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<title>[48033] trunk: External Libraries: Upgrade PHPMailer to version 6.1.6.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="https://core.trac.wordpress.org/changeset/48033">48033</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"https://core.trac.wordpress.org/changeset/48033","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>desrosj</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2020-06-12 15:45:30 +0000 (Fri, 12 Jun 2020)</dd>
</dl>
<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>External Libraries: Upgrade PHPMailer to version 6.1.6.
Now that WordPress Core supports PHP >= 5.6, the PHPMailer library can be updated to the latest version.
The PHPMailer files now reside in a new directory, `wp-includes/PHPMailer`. These files are copied verbatim from the library upstream and will make updating in the future easier. For backwards compatibility, the old files will remain and trigger deprecated file warnings.
The PHPMailer class is also now under the `PHPMailer\PHPMailer\PHPMailer` namespace. The `PHPMailer` class in the global namespace has been aliased for a seamless transition.
This upgrade also clears up a handful of PHP compatibility issues detailed in <a href="https://core.trac.wordpress.org/ticket/49922">#49922</a>.
For a full list of changes, see the PHPMailer GitHub: https://github.com/PHPMailer/PHPMailer/compare/v5.2.27...v6.1.6.
Props Synchro, SergeyBiryukov, desrosj, donmhico, ayeshrajans.
Fixes <a href="https://core.trac.wordpress.org/ticket/41750">#41750</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkphpcsxmldist">trunk/phpcs.xml.dist</a></li>
<li><a href="#trunksrcwpincludesclassphpmailerphp">trunk/src/wp-includes/class-phpmailer.php</a></li>
<li><a href="#trunksrcwpincludesclasssmtpphp">trunk/src/wp-includes/class-smtp.php</a></li>
<li><a href="#trunksrcwpincludespluggablephp">trunk/src/wp-includes/pluggable.php</a></li>
<li><a href="#trunktestsphpunitincludesmockmailerphp">trunk/tests/phpunit/includes/mock-mailer.php</a></li>
<li><a href="#trunktestsphpunittestsmailphp">trunk/tests/phpunit/tests/mail.php</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li>trunk/src/wp-includes/PHPMailer/</li>
<li><a href="#trunksrcwpincludesPHPMailerExceptionphp">trunk/src/wp-includes/PHPMailer/Exception.php</a></li>
<li><a href="#trunksrcwpincludesPHPMailerPHPMailerphp">trunk/src/wp-includes/PHPMailer/PHPMailer.php</a></li>
<li><a href="#trunksrcwpincludesPHPMailerSMTPphp">trunk/src/wp-includes/PHPMailer/SMTP.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkphpcsxmldist"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/phpcs.xml.dist</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/phpcs.xml.dist 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/phpcs.xml.dist 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -112,11 +112,12 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-IXR\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-json\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-phpass\.php</exclude-pattern>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <exclude-pattern>/src/wp-includes/class-phpmailer\.php</exclude-pattern>
</del><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-pop3\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-requests\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-simplepie\.php</exclude-pattern>
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- <exclude-pattern>/src/wp-includes/class-smtp\.php</exclude-pattern>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <exclude-pattern>/src/wp-includes/PHPMailer/Exception\.php</exclude-pattern>
+ <exclude-pattern>/src/wp-includes/PHPMailer/PHPMailer\.php</exclude-pattern>
+ <exclude-pattern>/src/wp-includes/PHPMailer/SMTP\.php</exclude-pattern>
</ins><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-snoopy\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/class-wp-block-parser\.php</exclude-pattern>
</span><span class="cx" style="display: block; padding: 0 10px"> <exclude-pattern>/src/wp-includes/deprecated\.php</exclude-pattern>
</span></span></pre></div>
<a id="trunksrcwpincludesPHPMailerExceptionphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/src/wp-includes/PHPMailer/Exception.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/PHPMailer/Exception.php (rev 0)
+++ trunk/src/wp-includes/PHPMailer/Exception.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,39 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * PHPMailer Exception class.
+ * PHP Version 5.5.
+ *
+ * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ *
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2012 - 2017 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+namespace PHPMailer\PHPMailer;
+
+/**
+ * PHPMailer exception handler.
+ *
+ * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
+ */
+class Exception extends \Exception
+{
+ /**
+ * Prettify error message output.
+ *
+ * @return string
+ */
+ public function errorMessage()
+ {
+ return '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />\n";
+ }
+}
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: trunk/src/wp-includes/PHPMailer/Exception.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: svn:eol-style</h4></div>
<ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+native
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="trunksrcwpincludesPHPMailerPHPMailerphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/src/wp-includes/PHPMailer/PHPMailer.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/PHPMailer/PHPMailer.php (rev 0)
+++ trunk/src/wp-includes/PHPMailer/PHPMailer.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,4834 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * PHPMailer - PHP email creation and transport class.
+ * PHP Version 5.5.
+ *
+ * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ *
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2012 - 2019 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+namespace PHPMailer\PHPMailer;
+
+/**
+ * PHPMailer - PHP email creation and transport class.
+ *
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ */
+class PHPMailer
+{
+ const CHARSET_ASCII = 'us-ascii';
+ const CHARSET_ISO88591 = 'iso-8859-1';
+ const CHARSET_UTF8 = 'utf-8';
+
+ const CONTENT_TYPE_PLAINTEXT = 'text/plain';
+ const CONTENT_TYPE_TEXT_CALENDAR = 'text/calendar';
+ const CONTENT_TYPE_TEXT_HTML = 'text/html';
+ const CONTENT_TYPE_MULTIPART_ALTERNATIVE = 'multipart/alternative';
+ const CONTENT_TYPE_MULTIPART_MIXED = 'multipart/mixed';
+ const CONTENT_TYPE_MULTIPART_RELATED = 'multipart/related';
+
+ const ENCODING_7BIT = '7bit';
+ const ENCODING_8BIT = '8bit';
+ const ENCODING_BASE64 = 'base64';
+ const ENCODING_BINARY = 'binary';
+ const ENCODING_QUOTED_PRINTABLE = 'quoted-printable';
+
+ const ENCRYPTION_STARTTLS = 'tls';
+ const ENCRYPTION_SMTPS = 'ssl';
+
+ const ICAL_METHOD_REQUEST = 'REQUEST';
+ const ICAL_METHOD_PUBLISH = 'PUBLISH';
+ const ICAL_METHOD_REPLY = 'REPLY';
+ const ICAL_METHOD_ADD = 'ADD';
+ const ICAL_METHOD_CANCEL = 'CANCEL';
+ const ICAL_METHOD_REFRESH = 'REFRESH';
+ const ICAL_METHOD_COUNTER = 'COUNTER';
+ const ICAL_METHOD_DECLINECOUNTER = 'DECLINECOUNTER';
+
+ /**
+ * Email priority.
+ * Options: null (default), 1 = High, 3 = Normal, 5 = low.
+ * When null, the header is not set at all.
+ *
+ * @var int|null
+ */
+ public $Priority;
+
+ /**
+ * The character set of the message.
+ *
+ * @var string
+ */
+ public $CharSet = self::CHARSET_ISO88591;
+
+ /**
+ * The MIME Content-type of the message.
+ *
+ * @var string
+ */
+ public $ContentType = self::CONTENT_TYPE_PLAINTEXT;
+
+ /**
+ * The message encoding.
+ * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
+ *
+ * @var string
+ */
+ public $Encoding = self::ENCODING_8BIT;
+
+ /**
+ * Holds the most recent mailer error message.
+ *
+ * @var string
+ */
+ public $ErrorInfo = '';
+
+ /**
+ * The From email address for the message.
+ *
+ * @var string
+ */
+ public $From = 'root@localhost';
+
+ /**
+ * The From name of the message.
+ *
+ * @var string
+ */
+ public $FromName = 'Root User';
+
+ /**
+ * The envelope sender of the message.
+ * This will usually be turned into a Return-Path header by the receiver,
+ * and is the address that bounces will be sent to.
+ * If not empty, will be passed via `-f` to sendmail or as the 'MAIL FROM' value over SMTP.
+ *
+ * @var string
+ */
+ public $Sender = '';
+
+ /**
+ * The Subject of the message.
+ *
+ * @var string
+ */
+ public $Subject = '';
+
+ /**
+ * An HTML or plain text message body.
+ * If HTML then call isHTML(true).
+ *
+ * @var string
+ */
+ public $Body = '';
+
+ /**
+ * The plain-text message body.
+ * This body can be read by mail clients that do not have HTML email
+ * capability such as mutt & Eudora.
+ * Clients that can read HTML will view the normal Body.
+ *
+ * @var string
+ */
+ public $AltBody = '';
+
+ /**
+ * An iCal message part body.
+ * Only supported in simple alt or alt_inline message types
+ * To generate iCal event structures, use classes like EasyPeasyICS or iCalcreator.
+ *
+ * @see http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
+ * @see http://kigkonsult.se/iCalcreator/
+ *
+ * @var string
+ */
+ public $Ical = '';
+
+ /**
+ * Value-array of "method" in Contenttype header "text/calendar"
+ *
+ * @var string[]
+ */
+ protected static $IcalMethods = [
+ self::ICAL_METHOD_REQUEST,
+ self::ICAL_METHOD_PUBLISH,
+ self::ICAL_METHOD_REPLY,
+ self::ICAL_METHOD_ADD,
+ self::ICAL_METHOD_CANCEL,
+ self::ICAL_METHOD_REFRESH,
+ self::ICAL_METHOD_COUNTER,
+ self::ICAL_METHOD_DECLINECOUNTER,
+ ];
+
+ /**
+ * The complete compiled MIME message body.
+ *
+ * @var string
+ */
+ protected $MIMEBody = '';
+
+ /**
+ * The complete compiled MIME message headers.
+ *
+ * @var string
+ */
+ protected $MIMEHeader = '';
+
+ /**
+ * Extra headers that createHeader() doesn't fold in.
+ *
+ * @var string
+ */
+ protected $mailHeader = '';
+
+ /**
+ * Word-wrap the message body to this number of chars.
+ * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
+ *
+ * @see static::STD_LINE_LENGTH
+ *
+ * @var int
+ */
+ public $WordWrap = 0;
+
+ /**
+ * Which method to use to send mail.
+ * Options: "mail", "sendmail", or "smtp".
+ *
+ * @var string
+ */
+ public $Mailer = 'mail';
+
+ /**
+ * The path to the sendmail program.
+ *
+ * @var string
+ */
+ public $Sendmail = '/usr/sbin/sendmail';
+
+ /**
+ * Whether mail() uses a fully sendmail-compatible MTA.
+ * One which supports sendmail's "-oi -f" options.
+ *
+ * @var bool
+ */
+ public $UseSendmailOptions = true;
+
+ /**
+ * The email address that a reading confirmation should be sent to, also known as read receipt.
+ *
+ * @var string
+ */
+ public $ConfirmReadingTo = '';
+
+ /**
+ * The hostname to use in the Message-ID header and as default HELO string.
+ * If empty, PHPMailer attempts to find one with, in order,
+ * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
+ * 'localhost.localdomain'.
+ *
+ * @see PHPMailer::$Helo
+ *
+ * @var string
+ */
+ public $Hostname = '';
+
+ /**
+ * An ID to be used in the Message-ID header.
+ * If empty, a unique id will be generated.
+ * You can set your own, but it must be in the format "<id@domain>",
+ * as defined in RFC5322 section 3.6.4 or it will be ignored.
+ *
+ * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
+ *
+ * @var string
+ */
+ public $MessageID = '';
+
+ /**
+ * The message Date to be used in the Date header.
+ * If empty, the current date will be added.
+ *
+ * @var string
+ */
+ public $MessageDate = '';
+
+ /**
+ * SMTP hosts.
+ * Either a single hostname or multiple semicolon-delimited hostnames.
+ * You can also specify a different port
+ * for each host by using this format: [hostname:port]
+ * (e.g. "smtp1.example.com:25;smtp2.example.com").
+ * You can also specify encryption type, for example:
+ * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
+ * Hosts will be tried in order.
+ *
+ * @var string
+ */
+ public $Host = 'localhost';
+
+ /**
+ * The default SMTP server port.
+ *
+ * @var int
+ */
+ public $Port = 25;
+
+ /**
+ * The SMTP HELO/EHLO name used for the SMTP connection.
+ * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
+ * one with the same method described above for $Hostname.
+ *
+ * @see PHPMailer::$Hostname
+ *
+ * @var string
+ */
+ public $Helo = '';
+
+ /**
+ * What kind of encryption to use on the SMTP connection.
+ * Options: '', static::ENCRYPTION_STARTTLS, or static::ENCRYPTION_SMTPS.
+ *
+ * @var string
+ */
+ public $SMTPSecure = '';
+
+ /**
+ * Whether to enable TLS encryption automatically if a server supports it,
+ * even if `SMTPSecure` is not set to 'tls'.
+ * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
+ *
+ * @var bool
+ */
+ public $SMTPAutoTLS = true;
+
+ /**
+ * Whether to use SMTP authentication.
+ * Uses the Username and Password properties.
+ *
+ * @see PHPMailer::$Username
+ * @see PHPMailer::$Password
+ *
+ * @var bool
+ */
+ public $SMTPAuth = false;
+
+ /**
+ * Options array passed to stream_context_create when connecting via SMTP.
+ *
+ * @var array
+ */
+ public $SMTPOptions = [];
+
+ /**
+ * SMTP username.
+ *
+ * @var string
+ */
+ public $Username = '';
+
+ /**
+ * SMTP password.
+ *
+ * @var string
+ */
+ public $Password = '';
+
+ /**
+ * SMTP auth type.
+ * Options are CRAM-MD5, LOGIN, PLAIN, XOAUTH2, attempted in that order if not specified.
+ *
+ * @var string
+ */
+ public $AuthType = '';
+
+ /**
+ * An instance of the PHPMailer OAuth class.
+ *
+ * @var OAuth
+ */
+ protected $oauth;
+
+ /**
+ * The SMTP server timeout in seconds.
+ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2.
+ *
+ * @var int
+ */
+ public $Timeout = 300;
+
+ /**
+ * Comma separated list of DSN notifications
+ * 'NEVER' under no circumstances a DSN must be returned to the sender.
+ * If you use NEVER all other notifications will be ignored.
+ * 'SUCCESS' will notify you when your mail has arrived at its destination.
+ * 'FAILURE' will arrive if an error occurred during delivery.
+ * 'DELAY' will notify you if there is an unusual delay in delivery, but the actual
+ * delivery's outcome (success or failure) is not yet decided.
+ *
+ * @see https://tools.ietf.org/html/rfc3461 See section 4.1 for more information about NOTIFY
+ */
+ public $dsn = '';
+
+ /**
+ * SMTP class debug output mode.
+ * Debug output level.
+ * Options:
+ * * SMTP::DEBUG_OFF: No output
+ * * SMTP::DEBUG_CLIENT: Client messages
+ * * SMTP::DEBUG_SERVER: Client and server messages
+ * * SMTP::DEBUG_CONNECTION: As SERVER plus connection status
+ * * SMTP::DEBUG_LOWLEVEL: Noisy, low-level data output, rarely needed
+ *
+ * @see SMTP::$do_debug
+ *
+ * @var int
+ */
+ public $SMTPDebug = 0;
+
+ /**
+ * How to handle debug output.
+ * Options:
+ * * `echo` Output plain-text as-is, appropriate for CLI
+ * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
+ * * `error_log` Output to error log as configured in php.ini
+ * By default PHPMailer will use `echo` if run from a `cli` or `cli-server` SAPI, `html` otherwise.
+ * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
+ *
+ * ```php
+ * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
+ * ```
+ *
+ * Alternatively, you can pass in an instance of a PSR-3 compatible logger, though only `debug`
+ * level output is used:
+ *
+ * ```php
+ * $mail->Debugoutput = new myPsr3Logger;
+ * ```
+ *
+ * @see SMTP::$Debugoutput
+ *
+ * @var string|callable|\Psr\Log\LoggerInterface
+ */
+ public $Debugoutput = 'echo';
+
+ /**
+ * Whether to keep SMTP connection open after each message.
+ * If this is set to true then to close the connection
+ * requires an explicit call to smtpClose().
+ *
+ * @var bool
+ */
+ public $SMTPKeepAlive = false;
+
+ /**
+ * Whether to split multiple to addresses into multiple messages
+ * or send them all in one message.
+ * Only supported in `mail` and `sendmail` transports, not in SMTP.
+ *
+ * @var bool
+ */
+ public $SingleTo = false;
+
+ /**
+ * Storage for addresses when SingleTo is enabled.
+ *
+ * @var array
+ */
+ protected $SingleToArray = [];
+
+ /**
+ * Whether to generate VERP addresses on send.
+ * Only applicable when sending via SMTP.
+ *
+ * @see https://en.wikipedia.org/wiki/Variable_envelope_return_path
+ * @see http://www.postfix.org/VERP_README.html Postfix VERP info
+ *
+ * @var bool
+ */
+ public $do_verp = false;
+
+ /**
+ * Whether to allow sending messages with an empty body.
+ *
+ * @var bool
+ */
+ public $AllowEmpty = false;
+
+ /**
+ * DKIM selector.
+ *
+ * @var string
+ */
+ public $DKIM_selector = '';
+
+ /**
+ * DKIM Identity.
+ * Usually the email address used as the source of the email.
+ *
+ * @var string
+ */
+ public $DKIM_identity = '';
+
+ /**
+ * DKIM passphrase.
+ * Used if your key is encrypted.
+ *
+ * @var string
+ */
+ public $DKIM_passphrase = '';
+
+ /**
+ * DKIM signing domain name.
+ *
+ * @example 'example.com'
+ *
+ * @var string
+ */
+ public $DKIM_domain = '';
+
+ /**
+ * DKIM Copy header field values for diagnostic use.
+ *
+ * @var bool
+ */
+ public $DKIM_copyHeaderFields = true;
+
+ /**
+ * DKIM Extra signing headers.
+ *
+ * @example ['List-Unsubscribe', 'List-Help']
+ *
+ * @var array
+ */
+ public $DKIM_extraHeaders = [];
+
+ /**
+ * DKIM private key file path.
+ *
+ * @var string
+ */
+ public $DKIM_private = '';
+
+ /**
+ * DKIM private key string.
+ *
+ * If set, takes precedence over `$DKIM_private`.
+ *
+ * @var string
+ */
+ public $DKIM_private_string = '';
+
+ /**
+ * Callback Action function name.
+ *
+ * The function that handles the result of the send email action.
+ * It is called out by send() for each email sent.
+ *
+ * Value can be any php callable: http://www.php.net/is_callable
+ *
+ * Parameters:
+ * bool $result result of the send action
+ * array $to email addresses of the recipients
+ * array $cc cc email addresses
+ * array $bcc bcc email addresses
+ * string $subject the subject
+ * string $body the email body
+ * string $from email address of sender
+ * string $extra extra information of possible use
+ * "smtp_transaction_id' => last smtp transaction id
+ *
+ * @var string
+ */
+ public $action_function = '';
+
+ /**
+ * What to put in the X-Mailer header.
+ * Options: An empty string for PHPMailer default, whitespace/null for none, or a string to use.
+ *
+ * @var string|null
+ */
+ public $XMailer = '';
+
+ /**
+ * Which validator to use by default when validating email addresses.
+ * May be a callable to inject your own validator, but there are several built-in validators.
+ * The default validator uses PHP's FILTER_VALIDATE_EMAIL filter_var option.
+ *
+ * @see PHPMailer::validateAddress()
+ *
+ * @var string|callable
+ */
+ public static $validator = 'php';
+
+ /**
+ * An instance of the SMTP sender class.
+ *
+ * @var SMTP
+ */
+ protected $smtp;
+
+ /**
+ * The array of 'to' names and addresses.
+ *
+ * @var array
+ */
+ protected $to = [];
+
+ /**
+ * The array of 'cc' names and addresses.
+ *
+ * @var array
+ */
+ protected $cc = [];
+
+ /**
+ * The array of 'bcc' names and addresses.
+ *
+ * @var array
+ */
+ protected $bcc = [];
+
+ /**
+ * The array of reply-to names and addresses.
+ *
+ * @var array
+ */
+ protected $ReplyTo = [];
+
+ /**
+ * An array of all kinds of addresses.
+ * Includes all of $to, $cc, $bcc.
+ *
+ * @see PHPMailer::$to
+ * @see PHPMailer::$cc
+ * @see PHPMailer::$bcc
+ *
+ * @var array
+ */
+ protected $all_recipients = [];
+
+ /**
+ * An array of names and addresses queued for validation.
+ * In send(), valid and non duplicate entries are moved to $all_recipients
+ * and one of $to, $cc, or $bcc.
+ * This array is used only for addresses with IDN.
+ *
+ * @see PHPMailer::$to
+ * @see PHPMailer::$cc
+ * @see PHPMailer::$bcc
+ * @see PHPMailer::$all_recipients
+ *
+ * @var array
+ */
+ protected $RecipientsQueue = [];
+
+ /**
+ * An array of reply-to names and addresses queued for validation.
+ * In send(), valid and non duplicate entries are moved to $ReplyTo.
+ * This array is used only for addresses with IDN.
+ *
+ * @see PHPMailer::$ReplyTo
+ *
+ * @var array
+ */
+ protected $ReplyToQueue = [];
+
+ /**
+ * The array of attachments.
+ *
+ * @var array
+ */
+ protected $attachment = [];
+
+ /**
+ * The array of custom headers.
+ *
+ * @var array
+ */
+ protected $CustomHeader = [];
+
+ /**
+ * The most recent Message-ID (including angular brackets).
+ *
+ * @var string
+ */
+ protected $lastMessageID = '';
+
+ /**
+ * The message's MIME type.
+ *
+ * @var string
+ */
+ protected $message_type = '';
+
+ /**
+ * The array of MIME boundary strings.
+ *
+ * @var array
+ */
+ protected $boundary = [];
+
+ /**
+ * The array of available languages.
+ *
+ * @var array
+ */
+ protected $language = [];
+
+ /**
+ * The number of errors encountered.
+ *
+ * @var int
+ */
+ protected $error_count = 0;
+
+ /**
+ * The S/MIME certificate file path.
+ *
+ * @var string
+ */
+ protected $sign_cert_file = '';
+
+ /**
+ * The S/MIME key file path.
+ *
+ * @var string
+ */
+ protected $sign_key_file = '';
+
+ /**
+ * The optional S/MIME extra certificates ("CA Chain") file path.
+ *
+ * @var string
+ */
+ protected $sign_extracerts_file = '';
+
+ /**
+ * The S/MIME password for the key.
+ * Used only if the key is encrypted.
+ *
+ * @var string
+ */
+ protected $sign_key_pass = '';
+
+ /**
+ * Whether to throw exceptions for errors.
+ *
+ * @var bool
+ */
+ protected $exceptions = false;
+
+ /**
+ * Unique ID used for message ID and boundaries.
+ *
+ * @var string
+ */
+ protected $uniqueid = '';
+
+ /**
+ * The PHPMailer Version number.
+ *
+ * @var string
+ */
+ const VERSION = '6.1.6';
+
+ /**
+ * Error severity: message only, continue processing.
+ *
+ * @var int
+ */
+ const STOP_MESSAGE = 0;
+
+ /**
+ * Error severity: message, likely ok to continue processing.
+ *
+ * @var int
+ */
+ const STOP_CONTINUE = 1;
+
+ /**
+ * Error severity: message, plus full stop, critical error reached.
+ *
+ * @var int
+ */
+ const STOP_CRITICAL = 2;
+
+ /**
+ * The SMTP standard CRLF line break.
+ * If you want to change line break format, change static::$LE, not this.
+ */
+ const CRLF = "\r\n";
+
+ /**
+ * "Folding White Space" a white space string used for line folding.
+ */
+ const FWS = ' ';
+
+ /**
+ * SMTP RFC standard line ending; Carriage Return, Line Feed.
+ *
+ * @var string
+ */
+ protected static $LE = self::CRLF;
+
+ /**
+ * The maximum line length supported by mail().
+ *
+ * Background: mail() will sometimes corrupt messages
+ * with headers headers longer than 65 chars, see #818.
+ *
+ * @var int
+ */
+ const MAIL_MAX_LINE_LENGTH = 63;
+
+ /**
+ * The maximum line length allowed by RFC 2822 section 2.1.1.
+ *
+ * @var int
+ */
+ const MAX_LINE_LENGTH = 998;
+
+ /**
+ * The lower maximum line length allowed by RFC 2822 section 2.1.1.
+ * This length does NOT include the line break
+ * 76 means that lines will be 77 or 78 chars depending on whether
+ * the line break format is LF or CRLF; both are valid.
+ *
+ * @var int
+ */
+ const STD_LINE_LENGTH = 76;
+
+ /**
+ * Constructor.
+ *
+ * @param bool $exceptions Should we throw external exceptions?
+ */
+ public function __construct($exceptions = null)
+ {
+ if (null !== $exceptions) {
+ $this->exceptions = (bool) $exceptions;
+ }
+ //Pick an appropriate debug output format automatically
+ $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html');
+ }
+
+ /**
+ * Destructor.
+ */
+ public function __destruct()
+ {
+ //Close any open SMTP connection nicely
+ $this->smtpClose();
+ }
+
+ /**
+ * Call mail() in a safe_mode-aware fashion.
+ * Also, unless sendmail_path points to sendmail (or something that
+ * claims to be sendmail), don't pass params (not a perfect fix,
+ * but it will do).
+ *
+ * @param string $to To
+ * @param string $subject Subject
+ * @param string $body Message Body
+ * @param string $header Additional Header(s)
+ * @param string|null $params Params
+ *
+ * @return bool
+ */
+ private function mailPassthru($to, $subject, $body, $header, $params)
+ {
+ //Check overloading of mail function to avoid double-encoding
+ if (ini_get('mbstring.func_overload') & 1) {
+ $subject = $this->secureHeader($subject);
+ } else {
+ $subject = $this->encodeHeader($this->secureHeader($subject));
+ }
+ //Calling mail() with null params breaks
+ if (!$this->UseSendmailOptions || null === $params) {
+ $result = @mail($to, $subject, $body, $header);
+ } else {
+ $result = @mail($to, $subject, $body, $header, $params);
+ }
+
+ return $result;
+ }
+
+ /**
+ * Output debugging info via user-defined method.
+ * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
+ *
+ * @see PHPMailer::$Debugoutput
+ * @see PHPMailer::$SMTPDebug
+ *
+ * @param string $str
+ */
+ protected function edebug($str)
+ {
+ if ($this->SMTPDebug <= 0) {
+ return;
+ }
+ //Is this a PSR-3 logger?
+ if ($this->Debugoutput instanceof \Psr\Log\LoggerInterface) {
+ $this->Debugoutput->debug($str);
+
+ return;
+ }
+ //Avoid clash with built-in function names
+ if (is_callable($this->Debugoutput) && !in_array($this->Debugoutput, ['error_log', 'html', 'echo'])) {
+ call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
+
+ return;
+ }
+ switch ($this->Debugoutput) {
+ case 'error_log':
+ //Don't output, just log
+ error_log($str);
+ break;
+ case 'html':
+ //Cleans up output a bit for a better looking, HTML-safe output
+ echo htmlentities(
+ preg_replace('/[\r\n]+/', '', $str),
+ ENT_QUOTES,
+ 'UTF-8'
+ ), "<br>\n";
+ break;
+ case 'echo':
+ default:
+ //Normalize line breaks
+ $str = preg_replace('/\r\n|\r/m', "\n", $str);
+ echo gmdate('Y-m-d H:i:s'),
+ "\t",
+ //Trim trailing space
+ trim(
+ //Indent for readability, except for trailing break
+ str_replace(
+ "\n",
+ "\n \t ",
+ trim($str)
+ )
+ ),
+ "\n";
+ }
+ }
+
+ /**
+ * Sets message type to HTML or plain.
+ *
+ * @param bool $isHtml True for HTML mode
+ */
+ public function isHTML($isHtml = true)
+ {
+ if ($isHtml) {
+ $this->ContentType = static::CONTENT_TYPE_TEXT_HTML;
+ } else {
+ $this->ContentType = static::CONTENT_TYPE_PLAINTEXT;
+ }
+ }
+
+ /**
+ * Send messages using SMTP.
+ */
+ public function isSMTP()
+ {
+ $this->Mailer = 'smtp';
+ }
+
+ /**
+ * Send messages using PHP's mail() function.
+ */
+ public function isMail()
+ {
+ $this->Mailer = 'mail';
+ }
+
+ /**
+ * Send messages using $Sendmail.
+ */
+ public function isSendmail()
+ {
+ $ini_sendmail_path = ini_get('sendmail_path');
+
+ if (false === stripos($ini_sendmail_path, 'sendmail')) {
+ $this->Sendmail = '/usr/sbin/sendmail';
+ } else {
+ $this->Sendmail = $ini_sendmail_path;
+ }
+ $this->Mailer = 'sendmail';
+ }
+
+ /**
+ * Send messages using qmail.
+ */
+ public function isQmail()
+ {
+ $ini_sendmail_path = ini_get('sendmail_path');
+
+ if (false === stripos($ini_sendmail_path, 'qmail')) {
+ $this->Sendmail = '/var/qmail/bin/qmail-inject';
+ } else {
+ $this->Sendmail = $ini_sendmail_path;
+ }
+ $this->Mailer = 'qmail';
+ }
+
+ /**
+ * Add a "To" address.
+ *
+ * @param string $address The email address to send to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ public function addAddress($address, $name = '')
+ {
+ return $this->addOrEnqueueAnAddress('to', $address, $name);
+ }
+
+ /**
+ * Add a "CC" address.
+ *
+ * @param string $address The email address to send to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ public function addCC($address, $name = '')
+ {
+ return $this->addOrEnqueueAnAddress('cc', $address, $name);
+ }
+
+ /**
+ * Add a "BCC" address.
+ *
+ * @param string $address The email address to send to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ public function addBCC($address, $name = '')
+ {
+ return $this->addOrEnqueueAnAddress('bcc', $address, $name);
+ }
+
+ /**
+ * Add a "Reply-To" address.
+ *
+ * @param string $address The email address to reply to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ public function addReplyTo($address, $name = '')
+ {
+ return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
+ }
+
+ /**
+ * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
+ * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
+ * be modified after calling this function), addition of such addresses is delayed until send().
+ * Addresses that have been added already return false, but do not throw exceptions.
+ *
+ * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
+ * @param string $address The email address to send, resp. to reply to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ protected function addOrEnqueueAnAddress($kind, $address, $name)
+ {
+ $address = trim($address);
+ $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
+ $pos = strrpos($address, '@');
+ if (false === $pos) {
+ // At-sign is missing.
+ $error_message = sprintf(
+ '%s (%s): %s',
+ $this->lang('invalid_address'),
+ $kind,
+ $address
+ );
+ $this->setError($error_message);
+ $this->edebug($error_message);
+ if ($this->exceptions) {
+ throw new Exception($error_message);
+ }
+
+ return false;
+ }
+ $params = [$kind, $address, $name];
+ // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
+ if (static::idnSupported() && $this->has8bitChars(substr($address, ++$pos))) {
+ if ('Reply-To' !== $kind) {
+ if (!array_key_exists($address, $this->RecipientsQueue)) {
+ $this->RecipientsQueue[$address] = $params;
+
+ return true;
+ }
+ } elseif (!array_key_exists($address, $this->ReplyToQueue)) {
+ $this->ReplyToQueue[$address] = $params;
+
+ return true;
+ }
+
+ return false;
+ }
+
+ // Immediately add standard addresses without IDN.
+ return call_user_func_array([$this, 'addAnAddress'], $params);
+ }
+
+ /**
+ * Add an address to one of the recipient arrays or to the ReplyTo array.
+ * Addresses that have been added already return false, but do not throw exceptions.
+ *
+ * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
+ * @param string $address The email address to send, resp. to reply to
+ * @param string $name
+ *
+ * @throws Exception
+ *
+ * @return bool true on success, false if address already used or invalid in some way
+ */
+ protected function addAnAddress($kind, $address, $name = '')
+ {
+ if (!in_array($kind, ['to', 'cc', 'bcc', 'Reply-To'])) {
+ $error_message = sprintf(
+ '%s: %s',
+ $this->lang('Invalid recipient kind'),
+ $kind
+ );
+ $this->setError($error_message);
+ $this->edebug($error_message);
+ if ($this->exceptions) {
+ throw new Exception($error_message);
+ }
+
+ return false;
+ }
+ if (!static::validateAddress($address)) {
+ $error_message = sprintf(
+ '%s (%s): %s',
+ $this->lang('invalid_address'),
+ $kind,
+ $address
+ );
+ $this->setError($error_message);
+ $this->edebug($error_message);
+ if ($this->exceptions) {
+ throw new Exception($error_message);
+ }
+
+ return false;
+ }
+ if ('Reply-To' !== $kind) {
+ if (!array_key_exists(strtolower($address), $this->all_recipients)) {
+ $this->{$kind}[] = [$address, $name];
+ $this->all_recipients[strtolower($address)] = true;
+
+ return true;
+ }
+ } elseif (!array_key_exists(strtolower($address), $this->ReplyTo)) {
+ $this->ReplyTo[strtolower($address)] = [$address, $name];
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
+ * of the form "display name <address>" into an array of name/address pairs.
+ * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
+ * Note that quotes in the name part are removed.
+ *
+ * @see http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
+ *
+ * @param string $addrstr The address list string
+ * @param bool $useimap Whether to use the IMAP extension to parse the list
+ *
+ * @return array
+ */
+ public static function parseAddresses($addrstr, $useimap = true)
+ {
+ $addresses = [];
+ if ($useimap && function_exists('imap_rfc822_parse_adrlist')) {
+ //Use this built-in parser if it's available
+ $list = imap_rfc822_parse_adrlist($addrstr, '');
+ foreach ($list as $address) {
+ if (('.SYNTAX-ERROR.' !== $address->host) && static::validateAddress(
+ $address->mailbox . '@' . $address->host
+ )) {
+ $addresses[] = [
+ 'name' => (property_exists($address, 'personal') ? $address->personal : ''),
+ 'address' => $address->mailbox . '@' . $address->host,
+ ];
+ }
+ }
+ } else {
+ //Use this simpler parser
+ $list = explode(',', $addrstr);
+ foreach ($list as $address) {
+ $address = trim($address);
+ //Is there a separate name part?
+ if (strpos($address, '<') === false) {
+ //No separate name, just use the whole thing
+ if (static::validateAddress($address)) {
+ $addresses[] = [
+ 'name' => '',
+ 'address' => $address,
+ ];
+ }
+ } else {
+ list($name, $email) = explode('<', $address);
+ $email = trim(str_replace('>', '', $email));
+ if (static::validateAddress($email)) {
+ $addresses[] = [
+ 'name' => trim(str_replace(['"', "'"], '', $name)),
+ 'address' => $email,
+ ];
+ }
+ }
+ }
+ }
+
+ return $addresses;
+ }
+
+ /**
+ * Set the From and FromName properties.
+ *
+ * @param string $address
+ * @param string $name
+ * @param bool $auto Whether to also set the Sender address, defaults to true
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ public function setFrom($address, $name = '', $auto = true)
+ {
+ $address = trim($address);
+ $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
+ // Don't validate now addresses with IDN. Will be done in send().
+ $pos = strrpos($address, '@');
+ if ((false === $pos)
+ || ((!$this->has8bitChars(substr($address, ++$pos)) || !static::idnSupported())
+ && !static::validateAddress($address))
+ ) {
+ $error_message = sprintf(
+ '%s (From): %s',
+ $this->lang('invalid_address'),
+ $address
+ );
+ $this->setError($error_message);
+ $this->edebug($error_message);
+ if ($this->exceptions) {
+ throw new Exception($error_message);
+ }
+
+ return false;
+ }
+ $this->From = $address;
+ $this->FromName = $name;
+ if ($auto && empty($this->Sender)) {
+ $this->Sender = $address;
+ }
+
+ return true;
+ }
+
+ /**
+ * Return the Message-ID header of the last email.
+ * Technically this is the value from the last time the headers were created,
+ * but it's also the message ID of the last sent message except in
+ * pathological cases.
+ *
+ * @return string
+ */
+ public function getLastMessageID()
+ {
+ return $this->lastMessageID;
+ }
+
+ /**
+ * Check that a string looks like an email address.
+ * Validation patterns supported:
+ * * `auto` Pick best pattern automatically;
+ * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0;
+ * * `pcre` Use old PCRE implementation;
+ * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
+ * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
+ * * `noregex` Don't use a regex: super fast, really dumb.
+ * Alternatively you may pass in a callable to inject your own validator, for example:
+ *
+ * ```php
+ * PHPMailer::validateAddress('user@example.com', function($address) {
+ * return (strpos($address, '@') !== false);
+ * });
+ * ```
+ *
+ * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
+ *
+ * @param string $address The email address to check
+ * @param string|callable $patternselect Which pattern to use
+ *
+ * @return bool
+ */
+ public static function validateAddress($address, $patternselect = null)
+ {
+ if (null === $patternselect) {
+ $patternselect = static::$validator;
+ }
+ if (is_callable($patternselect)) {
+ return $patternselect($address);
+ }
+ //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
+ if (strpos($address, "\n") !== false || strpos($address, "\r") !== false) {
+ return false;
+ }
+ switch ($patternselect) {
+ case 'pcre': //Kept for BC
+ case 'pcre8':
+ /*
+ * A more complex and more permissive version of the RFC5322 regex on which FILTER_VALIDATE_EMAIL
+ * is based.
+ * In addition to the addresses allowed by filter_var, also permits:
+ * * dotless domains: `a@b`
+ * * comments: `1234 @ local(blah) .machine .example`
+ * * quoted elements: `'"test blah"@example.org'`
+ * * numeric TLDs: `a@b.123`
+ * * unbracketed IPv4 literals: `a@192.168.0.1`
+ * * IPv6 literals: 'first.last@[IPv6:a1::]'
+ * Not all of these will necessarily work for sending!
+ *
+ * @see http://squiloople.com/2009/12/20/email-address-validation/
+ * @copyright 2009-2010 Michael Rushton
+ * Feel free to use and redistribute this code. But please keep this copyright notice.
+ */
+ return (bool) preg_match(
+ '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
+ '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
+ '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
+ '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
+ '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
+ '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
+ '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
+ '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
+ '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
+ $address
+ );
+ case 'html5':
+ /*
+ * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
+ *
+ * @see http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
+ */
+ return (bool) preg_match(
+ '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
+ '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
+ $address
+ );
+ case 'php':
+ default:
+ return filter_var($address, FILTER_VALIDATE_EMAIL) !== false;
+ }
+ }
+
+ /**
+ * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
+ * `intl` and `mbstring` PHP extensions.
+ *
+ * @return bool `true` if required functions for IDN support are present
+ */
+ public static function idnSupported()
+ {
+ return function_exists('idn_to_ascii') && function_exists('mb_convert_encoding');
+ }
+
+ /**
+ * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
+ * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
+ * This function silently returns unmodified address if:
+ * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
+ * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
+ * or fails for any reason (e.g. domain contains characters not allowed in an IDN).
+ *
+ * @see PHPMailer::$CharSet
+ *
+ * @param string $address The email address to convert
+ *
+ * @return string The encoded address in ASCII form
+ */
+ public function punyencodeAddress($address)
+ {
+ // Verify we have required functions, CharSet, and at-sign.
+ $pos = strrpos($address, '@');
+ if (!empty($this->CharSet) &&
+ false !== $pos &&
+ static::idnSupported()
+ ) {
+ $domain = substr($address, ++$pos);
+ // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
+ if ($this->has8bitChars($domain) && @mb_check_encoding($domain, $this->CharSet)) {
+ $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
+ //Ignore IDE complaints about this line - method signature changed in PHP 5.4
+ $errorcode = 0;
+ if (defined('INTL_IDNA_VARIANT_UTS46')) {
+ $punycode = idn_to_ascii($domain, $errorcode, INTL_IDNA_VARIANT_UTS46);
+ } elseif (defined('INTL_IDNA_VARIANT_2003')) {
+ $punycode = idn_to_ascii($domain, $errorcode, INTL_IDNA_VARIANT_2003);
+ } else {
+ $punycode = idn_to_ascii($domain, $errorcode);
+ }
+ if (false !== $punycode) {
+ return substr($address, 0, $pos) . $punycode;
+ }
+ }
+ }
+
+ return $address;
+ }
+
+ /**
+ * Create a message and send it.
+ * Uses the sending method specified by $Mailer.
+ *
+ * @throws Exception
+ *
+ * @return bool false on error - See the ErrorInfo property for details of the error
+ */
+ public function send()
+ {
+ try {
+ if (!$this->preSend()) {
+ return false;
+ }
+
+ return $this->postSend();
+ } catch (Exception $exc) {
+ $this->mailHeader = '';
+ $this->setError($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+ }
+
+ /**
+ * Prepare a message for sending.
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ public function preSend()
+ {
+ if ('smtp' === $this->Mailer
+ || ('mail' === $this->Mailer && stripos(PHP_OS, 'WIN') === 0)
+ ) {
+ //SMTP mandates RFC-compliant line endings
+ //and it's also used with mail() on Windows
+ static::setLE(self::CRLF);
+ } else {
+ //Maintain backward compatibility with legacy Linux command line mailers
+ static::setLE(PHP_EOL);
+ }
+ //Check for buggy PHP versions that add a header with an incorrect line break
+ if ('mail' === $this->Mailer
+ && ((PHP_VERSION_ID >= 70000 && PHP_VERSION_ID < 70017)
+ || (PHP_VERSION_ID >= 70100 && PHP_VERSION_ID < 70103))
+ && ini_get('mail.add_x_header') === '1'
+ && stripos(PHP_OS, 'WIN') === 0
+ ) {
+ trigger_error(
+ 'Your version of PHP is affected by a bug that may result in corrupted messages.' .
+ ' To fix it, switch to sending using SMTP, disable the mail.add_x_header option in' .
+ ' your php.ini, switch to MacOS or Linux, or upgrade your PHP to version 7.0.17+ or 7.1.3+.',
+ E_USER_WARNING
+ );
+ }
+
+ try {
+ $this->error_count = 0; // Reset errors
+ $this->mailHeader = '';
+
+ // Dequeue recipient and Reply-To addresses with IDN
+ foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
+ $params[1] = $this->punyencodeAddress($params[1]);
+ call_user_func_array([$this, 'addAnAddress'], $params);
+ }
+ if (count($this->to) + count($this->cc) + count($this->bcc) < 1) {
+ throw new Exception($this->lang('provide_address'), self::STOP_CRITICAL);
+ }
+
+ // Validate From, Sender, and ConfirmReadingTo addresses
+ foreach (['From', 'Sender', 'ConfirmReadingTo'] as $address_kind) {
+ $this->$address_kind = trim($this->$address_kind);
+ if (empty($this->$address_kind)) {
+ continue;
+ }
+ $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
+ if (!static::validateAddress($this->$address_kind)) {
+ $error_message = sprintf(
+ '%s (%s): %s',
+ $this->lang('invalid_address'),
+ $address_kind,
+ $this->$address_kind
+ );
+ $this->setError($error_message);
+ $this->edebug($error_message);
+ if ($this->exceptions) {
+ throw new Exception($error_message);
+ }
+
+ return false;
+ }
+ }
+
+ // Set whether the message is multipart/alternative
+ if ($this->alternativeExists()) {
+ $this->ContentType = static::CONTENT_TYPE_MULTIPART_ALTERNATIVE;
+ }
+
+ $this->setMessageType();
+ // Refuse to send an empty message unless we are specifically allowing it
+ if (!$this->AllowEmpty && empty($this->Body)) {
+ throw new Exception($this->lang('empty_message'), self::STOP_CRITICAL);
+ }
+
+ //Trim subject consistently
+ $this->Subject = trim($this->Subject);
+ // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
+ $this->MIMEHeader = '';
+ $this->MIMEBody = $this->createBody();
+ // createBody may have added some headers, so retain them
+ $tempheaders = $this->MIMEHeader;
+ $this->MIMEHeader = $this->createHeader();
+ $this->MIMEHeader .= $tempheaders;
+
+ // To capture the complete message when using mail(), create
+ // an extra header list which createHeader() doesn't fold in
+ if ('mail' === $this->Mailer) {
+ if (count($this->to) > 0) {
+ $this->mailHeader .= $this->addrAppend('To', $this->to);
+ } else {
+ $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
+ }
+ $this->mailHeader .= $this->headerLine(
+ 'Subject',
+ $this->encodeHeader($this->secureHeader($this->Subject))
+ );
+ }
+
+ // Sign with DKIM if enabled
+ if (!empty($this->DKIM_domain)
+ && !empty($this->DKIM_selector)
+ && (!empty($this->DKIM_private_string)
+ || (!empty($this->DKIM_private)
+ && static::isPermittedPath($this->DKIM_private)
+ && file_exists($this->DKIM_private)
+ )
+ )
+ ) {
+ $header_dkim = $this->DKIM_Add(
+ $this->MIMEHeader . $this->mailHeader,
+ $this->encodeHeader($this->secureHeader($this->Subject)),
+ $this->MIMEBody
+ );
+ $this->MIMEHeader = static::stripTrailingWSP($this->MIMEHeader) . static::$LE .
+ static::normalizeBreaks($header_dkim) . static::$LE;
+ }
+
+ return true;
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+ }
+
+ /**
+ * Actually send a message via the selected mechanism.
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ public function postSend()
+ {
+ try {
+ // Choose the mailer and send through it
+ switch ($this->Mailer) {
+ case 'sendmail':
+ case 'qmail':
+ return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
+ case 'smtp':
+ return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
+ case 'mail':
+ return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
+ default:
+ $sendMethod = $this->Mailer . 'Send';
+ if (method_exists($this, $sendMethod)) {
+ return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
+ }
+
+ return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
+ }
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Send mail using the $Sendmail program.
+ *
+ * @see PHPMailer::$Sendmail
+ *
+ * @param string $header The message headers
+ * @param string $body The message body
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ protected function sendmailSend($header, $body)
+ {
+ $header = static::stripTrailingWSP($header) . static::$LE . static::$LE;
+
+ // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
+ if (!empty($this->Sender) && self::isShellSafe($this->Sender)) {
+ if ('qmail' === $this->Mailer) {
+ $sendmailFmt = '%s -f%s';
+ } else {
+ $sendmailFmt = '%s -oi -f%s -t';
+ }
+ } elseif ('qmail' === $this->Mailer) {
+ $sendmailFmt = '%s';
+ } else {
+ $sendmailFmt = '%s -oi -t';
+ }
+
+ $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
+
+ if ($this->SingleTo) {
+ foreach ($this->SingleToArray as $toAddr) {
+ $mail = @popen($sendmail, 'w');
+ if (!$mail) {
+ throw new Exception($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+ }
+ fwrite($mail, 'To: ' . $toAddr . "\n");
+ fwrite($mail, $header);
+ fwrite($mail, $body);
+ $result = pclose($mail);
+ $this->doCallback(
+ ($result === 0),
+ [$toAddr],
+ $this->cc,
+ $this->bcc,
+ $this->Subject,
+ $body,
+ $this->From,
+ []
+ );
+ if (0 !== $result) {
+ throw new Exception($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+ }
+ }
+ } else {
+ $mail = @popen($sendmail, 'w');
+ if (!$mail) {
+ throw new Exception($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+ }
+ fwrite($mail, $header);
+ fwrite($mail, $body);
+ $result = pclose($mail);
+ $this->doCallback(
+ ($result === 0),
+ $this->to,
+ $this->cc,
+ $this->bcc,
+ $this->Subject,
+ $body,
+ $this->From,
+ []
+ );
+ if (0 !== $result) {
+ throw new Exception($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
+ * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
+ *
+ * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
+ *
+ * @param string $string The string to be validated
+ *
+ * @return bool
+ */
+ protected static function isShellSafe($string)
+ {
+ // Future-proof
+ if (escapeshellcmd($string) !== $string
+ || !in_array(escapeshellarg($string), ["'$string'", "\"$string\""])
+ ) {
+ return false;
+ }
+
+ $length = strlen($string);
+
+ for ($i = 0; $i < $length; ++$i) {
+ $c = $string[$i];
+
+ // All other characters have a special meaning in at least one common shell, including = and +.
+ // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
+ // Note that this does permit non-Latin alphanumeric characters based on the current locale.
+ if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
+ return false;
+ }
+ }
+
+ return true;
+ }
+
+ /**
+ * Check whether a file path is of a permitted type.
+ * Used to reject URLs and phar files from functions that access local file paths,
+ * such as addAttachment.
+ *
+ * @param string $path A relative or absolute path to a file
+ *
+ * @return bool
+ */
+ protected static function isPermittedPath($path)
+ {
+ return !preg_match('#^[a-z]+://#i', $path);
+ }
+
+ /**
+ * Send mail using the PHP mail() function.
+ *
+ * @see http://www.php.net/manual/en/book.mail.php
+ *
+ * @param string $header The message headers
+ * @param string $body The message body
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ protected function mailSend($header, $body)
+ {
+ $header = static::stripTrailingWSP($header) . static::$LE . static::$LE;
+
+ $toArr = [];
+ foreach ($this->to as $toaddr) {
+ $toArr[] = $this->addrFormat($toaddr);
+ }
+ $to = implode(', ', $toArr);
+
+ $params = null;
+ //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
+ //A space after `-f` is optional, but there is a long history of its presence
+ //causing problems, so we don't use one
+ //Exim docs: http://www.exim.org/exim-html-current/doc/html/spec_html/ch-the_exim_command_line.html
+ //Sendmail docs: http://www.sendmail.org/~ca/email/man/sendmail.html
+ //Qmail docs: http://www.qmail.org/man/man8/qmail-inject.html
+ //Example problem: https://www.drupal.org/node/1057954
+ // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
+ if (!empty($this->Sender) && static::validateAddress($this->Sender) && self::isShellSafe($this->Sender)) {
+ $params = sprintf('-f%s', $this->Sender);
+ }
+ if (!empty($this->Sender) && static::validateAddress($this->Sender)) {
+ $old_from = ini_get('sendmail_from');
+ ini_set('sendmail_from', $this->Sender);
+ }
+ $result = false;
+ if ($this->SingleTo && count($toArr) > 1) {
+ foreach ($toArr as $toAddr) {
+ $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
+ $this->doCallback($result, [$toAddr], $this->cc, $this->bcc, $this->Subject, $body, $this->From, []);
+ }
+ } else {
+ $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
+ $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From, []);
+ }
+ if (isset($old_from)) {
+ ini_set('sendmail_from', $old_from);
+ }
+ if (!$result) {
+ throw new Exception($this->lang('instantiate'), self::STOP_CRITICAL);
+ }
+
+ return true;
+ }
+
+ /**
+ * Get an instance to use for SMTP operations.
+ * Override this function to load your own SMTP implementation,
+ * or set one with setSMTPInstance.
+ *
+ * @return SMTP
+ */
+ public function getSMTPInstance()
+ {
+ if (!is_object($this->smtp)) {
+ $this->smtp = new SMTP();
+ }
+
+ return $this->smtp;
+ }
+
+ /**
+ * Provide an instance to use for SMTP operations.
+ *
+ * @return SMTP
+ */
+ public function setSMTPInstance(SMTP $smtp)
+ {
+ $this->smtp = $smtp;
+
+ return $this->smtp;
+ }
+
+ /**
+ * Send mail via SMTP.
+ * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
+ *
+ * @see PHPMailer::setSMTPInstance() to use a different class.
+ *
+ * @uses \PHPMailer\PHPMailer\SMTP
+ *
+ * @param string $header The message headers
+ * @param string $body The message body
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ protected function smtpSend($header, $body)
+ {
+ $header = static::stripTrailingWSP($header) . static::$LE . static::$LE;
+ $bad_rcpt = [];
+ if (!$this->smtpConnect($this->SMTPOptions)) {
+ throw new Exception($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
+ }
+ //Sender already validated in preSend()
+ if ('' === $this->Sender) {
+ $smtp_from = $this->From;
+ } else {
+ $smtp_from = $this->Sender;
+ }
+ if (!$this->smtp->mail($smtp_from)) {
+ $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
+ throw new Exception($this->ErrorInfo, self::STOP_CRITICAL);
+ }
+
+ $callbacks = [];
+ // Attempt to send to all recipients
+ foreach ([$this->to, $this->cc, $this->bcc] as $togroup) {
+ foreach ($togroup as $to) {
+ if (!$this->smtp->recipient($to[0], $this->dsn)) {
+ $error = $this->smtp->getError();
+ $bad_rcpt[] = ['to' => $to[0], 'error' => $error['detail']];
+ $isSent = false;
+ } else {
+ $isSent = true;
+ }
+
+ $callbacks[] = ['issent'=>$isSent, 'to'=>$to[0]];
+ }
+ }
+
+ // Only send the DATA command if we have viable recipients
+ if ((count($this->all_recipients) > count($bad_rcpt)) && !$this->smtp->data($header . $body)) {
+ throw new Exception($this->lang('data_not_accepted'), self::STOP_CRITICAL);
+ }
+
+ $smtp_transaction_id = $this->smtp->getLastTransactionID();
+
+ if ($this->SMTPKeepAlive) {
+ $this->smtp->reset();
+ } else {
+ $this->smtp->quit();
+ $this->smtp->close();
+ }
+
+ foreach ($callbacks as $cb) {
+ $this->doCallback(
+ $cb['issent'],
+ [$cb['to']],
+ [],
+ [],
+ $this->Subject,
+ $body,
+ $this->From,
+ ['smtp_transaction_id' => $smtp_transaction_id]
+ );
+ }
+
+ //Create error message for any bad addresses
+ if (count($bad_rcpt) > 0) {
+ $errstr = '';
+ foreach ($bad_rcpt as $bad) {
+ $errstr .= $bad['to'] . ': ' . $bad['error'];
+ }
+ throw new Exception($this->lang('recipients_failed') . $errstr, self::STOP_CONTINUE);
+ }
+
+ return true;
+ }
+
+ /**
+ * Initiate a connection to an SMTP server.
+ * Returns false if the operation failed.
+ *
+ * @param array $options An array of options compatible with stream_context_create()
+ *
+ * @throws Exception
+ *
+ * @uses \PHPMailer\PHPMailer\SMTP
+ *
+ * @return bool
+ */
+ public function smtpConnect($options = null)
+ {
+ if (null === $this->smtp) {
+ $this->smtp = $this->getSMTPInstance();
+ }
+
+ //If no options are provided, use whatever is set in the instance
+ if (null === $options) {
+ $options = $this->SMTPOptions;
+ }
+
+ // Already connected?
+ if ($this->smtp->connected()) {
+ return true;
+ }
+
+ $this->smtp->setTimeout($this->Timeout);
+ $this->smtp->setDebugLevel($this->SMTPDebug);
+ $this->smtp->setDebugOutput($this->Debugoutput);
+ $this->smtp->setVerp($this->do_verp);
+ $hosts = explode(';', $this->Host);
+ $lastexception = null;
+
+ foreach ($hosts as $hostentry) {
+ $hostinfo = [];
+ if (!preg_match(
+ '/^(?:(ssl|tls):\/\/)?(.+?)(?::(\d+))?$/',
+ trim($hostentry),
+ $hostinfo
+ )) {
+ $this->edebug($this->lang('invalid_hostentry') . ' ' . trim($hostentry));
+ // Not a valid host entry
+ continue;
+ }
+ // $hostinfo[1]: optional ssl or tls prefix
+ // $hostinfo[2]: the hostname
+ // $hostinfo[3]: optional port number
+ // The host string prefix can temporarily override the current setting for SMTPSecure
+ // If it's not specified, the default value is used
+
+ //Check the host name is a valid name or IP address before trying to use it
+ if (!static::isValidHost($hostinfo[2])) {
+ $this->edebug($this->lang('invalid_host') . ' ' . $hostinfo[2]);
+ continue;
+ }
+ $prefix = '';
+ $secure = $this->SMTPSecure;
+ $tls = (static::ENCRYPTION_STARTTLS === $this->SMTPSecure);
+ if ('ssl' === $hostinfo[1] || ('' === $hostinfo[1] && static::ENCRYPTION_SMTPS === $this->SMTPSecure)) {
+ $prefix = 'ssl://';
+ $tls = false; // Can't have SSL and TLS at the same time
+ $secure = static::ENCRYPTION_SMTPS;
+ } elseif ('tls' === $hostinfo[1]) {
+ $tls = true;
+ // tls doesn't use a prefix
+ $secure = static::ENCRYPTION_STARTTLS;
+ }
+ //Do we need the OpenSSL extension?
+ $sslext = defined('OPENSSL_ALGO_SHA256');
+ if (static::ENCRYPTION_STARTTLS === $secure || static::ENCRYPTION_SMTPS === $secure) {
+ //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
+ if (!$sslext) {
+ throw new Exception($this->lang('extension_missing') . 'openssl', self::STOP_CRITICAL);
+ }
+ }
+ $host = $hostinfo[2];
+ $port = $this->Port;
+ if (array_key_exists(3, $hostinfo) && is_numeric($hostinfo[3]) && $hostinfo[3] > 0 && $hostinfo[3] < 65536) {
+ $port = (int) $hostinfo[3];
+ }
+ if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
+ try {
+ if ($this->Helo) {
+ $hello = $this->Helo;
+ } else {
+ $hello = $this->serverHostname();
+ }
+ $this->smtp->hello($hello);
+ //Automatically enable TLS encryption if:
+ // * it's not disabled
+ // * we have openssl extension
+ // * we are not already using SSL
+ // * the server offers STARTTLS
+ if ($this->SMTPAutoTLS && $sslext && 'ssl' !== $secure && $this->smtp->getServerExt('STARTTLS')) {
+ $tls = true;
+ }
+ if ($tls) {
+ if (!$this->smtp->startTLS()) {
+ throw new Exception($this->lang('connect_host'));
+ }
+ // We must resend EHLO after TLS negotiation
+ $this->smtp->hello($hello);
+ }
+ if ($this->SMTPAuth && !$this->smtp->authenticate(
+ $this->Username,
+ $this->Password,
+ $this->AuthType,
+ $this->oauth
+ )) {
+ throw new Exception($this->lang('authenticate'));
+ }
+
+ return true;
+ } catch (Exception $exc) {
+ $lastexception = $exc;
+ $this->edebug($exc->getMessage());
+ // We must have connected, but then failed TLS or Auth, so close connection nicely
+ $this->smtp->quit();
+ }
+ }
+ }
+ // If we get here, all connection attempts have failed, so close connection hard
+ $this->smtp->close();
+ // As we've caught all exceptions, just report whatever the last one was
+ if ($this->exceptions && null !== $lastexception) {
+ throw $lastexception;
+ }
+
+ return false;
+ }
+
+ /**
+ * Close the active SMTP session if one exists.
+ */
+ public function smtpClose()
+ {
+ if ((null !== $this->smtp) && $this->smtp->connected()) {
+ $this->smtp->quit();
+ $this->smtp->close();
+ }
+ }
+
+ /**
+ * Set the language for error messages.
+ * Returns false if it cannot load the language file.
+ * The default language is English.
+ *
+ * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
+ * @param string $lang_path Path to the language file directory, with trailing separator (slash)
+ *
+ * @return bool
+ */
+ public function setLanguage($langcode = 'en', $lang_path = '')
+ {
+ // Backwards compatibility for renamed language codes
+ $renamed_langcodes = [
+ 'br' => 'pt_br',
+ 'cz' => 'cs',
+ 'dk' => 'da',
+ 'no' => 'nb',
+ 'se' => 'sv',
+ 'rs' => 'sr',
+ 'tg' => 'tl',
+ 'am' => 'hy',
+ ];
+
+ if (isset($renamed_langcodes[$langcode])) {
+ $langcode = $renamed_langcodes[$langcode];
+ }
+
+ // Define full set of translatable strings in English
+ $PHPMAILER_LANG = [
+ 'authenticate' => 'SMTP Error: Could not authenticate.',
+ 'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
+ 'data_not_accepted' => 'SMTP Error: data not accepted.',
+ 'empty_message' => 'Message body empty',
+ 'encoding' => 'Unknown encoding: ',
+ 'execute' => 'Could not execute: ',
+ 'file_access' => 'Could not access file: ',
+ 'file_open' => 'File Error: Could not open file: ',
+ 'from_failed' => 'The following From address failed: ',
+ 'instantiate' => 'Could not instantiate mail function.',
+ 'invalid_address' => 'Invalid address: ',
+ 'invalid_hostentry' => 'Invalid hostentry: ',
+ 'invalid_host' => 'Invalid host: ',
+ 'mailer_not_supported' => ' mailer is not supported.',
+ 'provide_address' => 'You must provide at least one recipient email address.',
+ 'recipients_failed' => 'SMTP Error: The following recipients failed: ',
+ 'signing' => 'Signing Error: ',
+ 'smtp_connect_failed' => 'SMTP connect() failed.',
+ 'smtp_error' => 'SMTP server error: ',
+ 'variable_set' => 'Cannot set or reset variable: ',
+ 'extension_missing' => 'Extension missing: ',
+ ];
+ if (empty($lang_path)) {
+ // Calculate an absolute path so it can work if CWD is not here
+ $lang_path = dirname(__DIR__) . DIRECTORY_SEPARATOR . 'language' . DIRECTORY_SEPARATOR;
+ }
+ //Validate $langcode
+ if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
+ $langcode = 'en';
+ }
+ $foundlang = true;
+ $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
+ // There is no English translation file
+ if ('en' !== $langcode) {
+ // Make sure language file path is readable
+ if (!static::isPermittedPath($lang_file) || !file_exists($lang_file)) {
+ $foundlang = false;
+ } else {
+ // Overwrite language-specific strings.
+ // This way we'll never have missing translation keys.
+ $foundlang = include $lang_file;
+ }
+ }
+ $this->language = $PHPMAILER_LANG;
+
+ return (bool) $foundlang; // Returns false if language not found
+ }
+
+ /**
+ * Get the array of strings for the current language.
+ *
+ * @return array
+ */
+ public function getTranslations()
+ {
+ return $this->language;
+ }
+
+ /**
+ * Create recipient headers.
+ *
+ * @param string $type
+ * @param array $addr An array of recipients,
+ * where each recipient is a 2-element indexed array with element 0 containing an address
+ * and element 1 containing a name, like:
+ * [['joe@example.com', 'Joe User'], ['zoe@example.com', 'Zoe User']]
+ *
+ * @return string
+ */
+ public function addrAppend($type, $addr)
+ {
+ $addresses = [];
+ foreach ($addr as $address) {
+ $addresses[] = $this->addrFormat($address);
+ }
+
+ return $type . ': ' . implode(', ', $addresses) . static::$LE;
+ }
+
+ /**
+ * Format an address for use in a message header.
+ *
+ * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name like
+ * ['joe@example.com', 'Joe User']
+ *
+ * @return string
+ */
+ public function addrFormat($addr)
+ {
+ if (empty($addr[1])) { // No name provided
+ return $this->secureHeader($addr[0]);
+ }
+
+ return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') .
+ ' <' . $this->secureHeader($addr[0]) . '>';
+ }
+
+ /**
+ * Word-wrap message.
+ * For use with mailers that do not automatically perform wrapping
+ * and for quoted-printable encoded messages.
+ * Original written by philippe.
+ *
+ * @param string $message The message to wrap
+ * @param int $length The line length to wrap to
+ * @param bool $qp_mode Whether to run in Quoted-Printable mode
+ *
+ * @return string
+ */
+ public function wrapText($message, $length, $qp_mode = false)
+ {
+ if ($qp_mode) {
+ $soft_break = sprintf(' =%s', static::$LE);
+ } else {
+ $soft_break = static::$LE;
+ }
+ // If utf-8 encoding is used, we will need to make sure we don't
+ // split multibyte characters when we wrap
+ $is_utf8 = static::CHARSET_UTF8 === strtolower($this->CharSet);
+ $lelen = strlen(static::$LE);
+ $crlflen = strlen(static::$LE);
+
+ $message = static::normalizeBreaks($message);
+ //Remove a trailing line break
+ if (substr($message, -$lelen) === static::$LE) {
+ $message = substr($message, 0, -$lelen);
+ }
+
+ //Split message into lines
+ $lines = explode(static::$LE, $message);
+ //Message will be rebuilt in here
+ $message = '';
+ foreach ($lines as $line) {
+ $words = explode(' ', $line);
+ $buf = '';
+ $firstword = true;
+ foreach ($words as $word) {
+ if ($qp_mode && (strlen($word) > $length)) {
+ $space_left = $length - strlen($buf) - $crlflen;
+ if (!$firstword) {
+ if ($space_left > 20) {
+ $len = $space_left;
+ if ($is_utf8) {
+ $len = $this->utf8CharBoundary($word, $len);
+ } elseif ('=' === substr($word, $len - 1, 1)) {
+ --$len;
+ } elseif ('=' === substr($word, $len - 2, 1)) {
+ $len -= 2;
+ }
+ $part = substr($word, 0, $len);
+ $word = substr($word, $len);
+ $buf .= ' ' . $part;
+ $message .= $buf . sprintf('=%s', static::$LE);
+ } else {
+ $message .= $buf . $soft_break;
+ }
+ $buf = '';
+ }
+ while ($word !== '') {
+ if ($length <= 0) {
+ break;
+ }
+ $len = $length;
+ if ($is_utf8) {
+ $len = $this->utf8CharBoundary($word, $len);
+ } elseif ('=' === substr($word, $len - 1, 1)) {
+ --$len;
+ } elseif ('=' === substr($word, $len - 2, 1)) {
+ $len -= 2;
+ }
+ $part = substr($word, 0, $len);
+ $word = (string) substr($word, $len);
+
+ if ($word !== '') {
+ $message .= $part . sprintf('=%s', static::$LE);
+ } else {
+ $buf = $part;
+ }
+ }
+ } else {
+ $buf_o = $buf;
+ if (!$firstword) {
+ $buf .= ' ';
+ }
+ $buf .= $word;
+
+ if ('' !== $buf_o && strlen($buf) > $length) {
+ $message .= $buf_o . $soft_break;
+ $buf = $word;
+ }
+ }
+ $firstword = false;
+ }
+ $message .= $buf . static::$LE;
+ }
+
+ return $message;
+ }
+
+ /**
+ * Find the last character boundary prior to $maxLength in a utf-8
+ * quoted-printable encoded string.
+ * Original written by Colin Brown.
+ *
+ * @param string $encodedText utf-8 QP text
+ * @param int $maxLength Find the last character boundary prior to this length
+ *
+ * @return int
+ */
+ public function utf8CharBoundary($encodedText, $maxLength)
+ {
+ $foundSplitPos = false;
+ $lookBack = 3;
+ while (!$foundSplitPos) {
+ $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
+ $encodedCharPos = strpos($lastChunk, '=');
+ if (false !== $encodedCharPos) {
+ // Found start of encoded character byte within $lookBack block.
+ // Check the encoded byte value (the 2 chars after the '=')
+ $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
+ $dec = hexdec($hex);
+ if ($dec < 128) {
+ // Single byte character.
+ // If the encoded char was found at pos 0, it will fit
+ // otherwise reduce maxLength to start of the encoded char
+ if ($encodedCharPos > 0) {
+ $maxLength -= $lookBack - $encodedCharPos;
+ }
+ $foundSplitPos = true;
+ } elseif ($dec >= 192) {
+ // First byte of a multi byte character
+ // Reduce maxLength to split at start of character
+ $maxLength -= $lookBack - $encodedCharPos;
+ $foundSplitPos = true;
+ } elseif ($dec < 192) {
+ // Middle byte of a multi byte character, look further back
+ $lookBack += 3;
+ }
+ } else {
+ // No encoded character found
+ $foundSplitPos = true;
+ }
+ }
+
+ return $maxLength;
+ }
+
+ /**
+ * Apply word wrapping to the message body.
+ * Wraps the message body to the number of chars set in the WordWrap property.
+ * You should only do this to plain-text bodies as wrapping HTML tags may break them.
+ * This is called automatically by createBody(), so you don't need to call it yourself.
+ */
+ public function setWordWrap()
+ {
+ if ($this->WordWrap < 1) {
+ return;
+ }
+
+ switch ($this->message_type) {
+ case 'alt':
+ case 'alt_inline':
+ case 'alt_attach':
+ case 'alt_inline_attach':
+ $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
+ break;
+ default:
+ $this->Body = $this->wrapText($this->Body, $this->WordWrap);
+ break;
+ }
+ }
+
+ /**
+ * Assemble message headers.
+ *
+ * @return string The assembled headers
+ */
+ public function createHeader()
+ {
+ $result = '';
+
+ $result .= $this->headerLine('Date', '' === $this->MessageDate ? self::rfcDate() : $this->MessageDate);
+
+ // To be created automatically by mail()
+ if ($this->SingleTo) {
+ if ('mail' !== $this->Mailer) {
+ foreach ($this->to as $toaddr) {
+ $this->SingleToArray[] = $this->addrFormat($toaddr);
+ }
+ }
+ } elseif (count($this->to) > 0) {
+ if ('mail' !== $this->Mailer) {
+ $result .= $this->addrAppend('To', $this->to);
+ }
+ } elseif (count($this->cc) === 0) {
+ $result .= $this->headerLine('To', 'undisclosed-recipients:;');
+ }
+
+ $result .= $this->addrAppend('From', [[trim($this->From), $this->FromName]]);
+
+ // sendmail and mail() extract Cc from the header before sending
+ if (count($this->cc) > 0) {
+ $result .= $this->addrAppend('Cc', $this->cc);
+ }
+
+ // sendmail and mail() extract Bcc from the header before sending
+ if ((
+ 'sendmail' === $this->Mailer || 'qmail' === $this->Mailer || 'mail' === $this->Mailer
+ )
+ && count($this->bcc) > 0
+ ) {
+ $result .= $this->addrAppend('Bcc', $this->bcc);
+ }
+
+ if (count($this->ReplyTo) > 0) {
+ $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
+ }
+
+ // mail() sets the subject itself
+ if ('mail' !== $this->Mailer) {
+ $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
+ }
+
+ // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
+ // https://tools.ietf.org/html/rfc5322#section-3.6.4
+ if ('' !== $this->MessageID && preg_match('/^<.*@.*>$/', $this->MessageID)) {
+ $this->lastMessageID = $this->MessageID;
+ } else {
+ $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
+ }
+ $result .= $this->headerLine('Message-ID', $this->lastMessageID);
+ if (null !== $this->Priority) {
+ $result .= $this->headerLine('X-Priority', $this->Priority);
+ }
+ if ('' === $this->XMailer) {
+ $result .= $this->headerLine(
+ 'X-Mailer',
+ 'PHPMailer ' . self::VERSION . ' (https://github.com/PHPMailer/PHPMailer)'
+ );
+ } else {
+ $myXmailer = trim($this->XMailer);
+ if ($myXmailer) {
+ $result .= $this->headerLine('X-Mailer', $myXmailer);
+ }
+ }
+
+ if ('' !== $this->ConfirmReadingTo) {
+ $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
+ }
+
+ // Add custom headers
+ foreach ($this->CustomHeader as $header) {
+ $result .= $this->headerLine(
+ trim($header[0]),
+ $this->encodeHeader(trim($header[1]))
+ );
+ }
+ if (!$this->sign_key_file) {
+ $result .= $this->headerLine('MIME-Version', '1.0');
+ $result .= $this->getMailMIME();
+ }
+
+ return $result;
+ }
+
+ /**
+ * Get the message MIME type headers.
+ *
+ * @return string
+ */
+ public function getMailMIME()
+ {
+ $result = '';
+ $ismultipart = true;
+ switch ($this->message_type) {
+ case 'inline':
+ $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED . ';');
+ $result .= $this->textLine(' boundary="' . $this->boundary[1] . '"');
+ break;
+ case 'attach':
+ case 'inline_attach':
+ case 'alt_attach':
+ case 'alt_inline_attach':
+ $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_MIXED . ';');
+ $result .= $this->textLine(' boundary="' . $this->boundary[1] . '"');
+ break;
+ case 'alt':
+ case 'alt_inline':
+ $result .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE . ';');
+ $result .= $this->textLine(' boundary="' . $this->boundary[1] . '"');
+ break;
+ default:
+ // Catches case 'plain': and case '':
+ $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
+ $ismultipart = false;
+ break;
+ }
+ // RFC1341 part 5 says 7bit is assumed if not specified
+ if (static::ENCODING_7BIT !== $this->Encoding) {
+ // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
+ if ($ismultipart) {
+ if (static::ENCODING_8BIT === $this->Encoding) {
+ $result .= $this->headerLine('Content-Transfer-Encoding', static::ENCODING_8BIT);
+ }
+ // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
+ } else {
+ $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
+ }
+ }
+
+ if ('mail' !== $this->Mailer) {
+// $result .= static::$LE;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Returns the whole MIME message.
+ * Includes complete headers and body.
+ * Only valid post preSend().
+ *
+ * @see PHPMailer::preSend()
+ *
+ * @return string
+ */
+ public function getSentMIMEMessage()
+ {
+ return static::stripTrailingWSP($this->MIMEHeader . $this->mailHeader) .
+ static::$LE . static::$LE . $this->MIMEBody;
+ }
+
+ /**
+ * Create a unique ID to use for boundaries.
+ *
+ * @return string
+ */
+ protected function generateId()
+ {
+ $len = 32; //32 bytes = 256 bits
+ $bytes = '';
+ if (function_exists('random_bytes')) {
+ try {
+ $bytes = random_bytes($len);
+ } catch (\Exception $e) {
+ //Do nothing
+ }
+ } elseif (function_exists('openssl_random_pseudo_bytes')) {
+ /** @noinspection CryptographicallySecureRandomnessInspection */
+ $bytes = openssl_random_pseudo_bytes($len);
+ }
+ if ($bytes === '') {
+ //We failed to produce a proper random string, so make do.
+ //Use a hash to force the length to the same as the other methods
+ $bytes = hash('sha256', uniqid((string) mt_rand(), true), true);
+ }
+
+ //We don't care about messing up base64 format here, just want a random string
+ return str_replace(['=', '+', '/'], '', base64_encode(hash('sha256', $bytes, true)));
+ }
+
+ /**
+ * Assemble the message body.
+ * Returns an empty string on failure.
+ *
+ * @throws Exception
+ *
+ * @return string The assembled message body
+ */
+ public function createBody()
+ {
+ $body = '';
+ //Create unique IDs and preset boundaries
+ $this->uniqueid = $this->generateId();
+ $this->boundary[1] = 'b1_' . $this->uniqueid;
+ $this->boundary[2] = 'b2_' . $this->uniqueid;
+ $this->boundary[3] = 'b3_' . $this->uniqueid;
+
+ if ($this->sign_key_file) {
+ $body .= $this->getMailMIME() . static::$LE;
+ }
+
+ $this->setWordWrap();
+
+ $bodyEncoding = $this->Encoding;
+ $bodyCharSet = $this->CharSet;
+ //Can we do a 7-bit downgrade?
+ if (static::ENCODING_8BIT === $bodyEncoding && !$this->has8bitChars($this->Body)) {
+ $bodyEncoding = static::ENCODING_7BIT;
+ //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
+ $bodyCharSet = static::CHARSET_ASCII;
+ }
+ //If lines are too long, and we're not already using an encoding that will shorten them,
+ //change to quoted-printable transfer encoding for the body part only
+ if (static::ENCODING_BASE64 !== $this->Encoding && static::hasLineLongerThanMax($this->Body)) {
+ $bodyEncoding = static::ENCODING_QUOTED_PRINTABLE;
+ }
+
+ $altBodyEncoding = $this->Encoding;
+ $altBodyCharSet = $this->CharSet;
+ //Can we do a 7-bit downgrade?
+ if (static::ENCODING_8BIT === $altBodyEncoding && !$this->has8bitChars($this->AltBody)) {
+ $altBodyEncoding = static::ENCODING_7BIT;
+ //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
+ $altBodyCharSet = static::CHARSET_ASCII;
+ }
+ //If lines are too long, and we're not already using an encoding that will shorten them,
+ //change to quoted-printable transfer encoding for the alt body part only
+ if (static::ENCODING_BASE64 !== $altBodyEncoding && static::hasLineLongerThanMax($this->AltBody)) {
+ $altBodyEncoding = static::ENCODING_QUOTED_PRINTABLE;
+ }
+ //Use this as a preamble in all multipart message types
+ $mimepre = 'This is a multi-part message in MIME format.' . static::$LE . static::$LE;
+ switch ($this->message_type) {
+ case 'inline':
+ $body .= $mimepre;
+ $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->attachAll('inline', $this->boundary[1]);
+ break;
+ case 'attach':
+ $body .= $mimepre;
+ $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->attachAll('attachment', $this->boundary[1]);
+ break;
+ case 'inline_attach':
+ $body .= $mimepre;
+ $body .= $this->textLine('--' . $this->boundary[1]);
+ $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED . ';');
+ $body .= $this->textLine(' boundary="' . $this->boundary[2] . '";');
+ $body .= $this->textLine(' type="' . static::CONTENT_TYPE_TEXT_HTML . '"');
+ $body .= static::$LE;
+ $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->attachAll('inline', $this->boundary[2]);
+ $body .= static::$LE;
+ $body .= $this->attachAll('attachment', $this->boundary[1]);
+ break;
+ case 'alt':
+ $body .= $mimepre;
+ $body .= $this->getBoundary(
+ $this->boundary[1],
+ $altBodyCharSet,
+ static::CONTENT_TYPE_PLAINTEXT,
+ $altBodyEncoding
+ );
+ $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[1],
+ $bodyCharSet,
+ static::CONTENT_TYPE_TEXT_HTML,
+ $bodyEncoding
+ );
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ if (!empty($this->Ical)) {
+ $method = static::ICAL_METHOD_REQUEST;
+ foreach (static::$IcalMethods as $imethod) {
+ if (stripos($this->Ical, 'METHOD:' . $imethod) !== false) {
+ $method = $imethod;
+ break;
+ }
+ }
+ $body .= $this->getBoundary(
+ $this->boundary[1],
+ '',
+ static::CONTENT_TYPE_TEXT_CALENDAR . '; method=' . $method,
+ ''
+ );
+ $body .= $this->encodeString($this->Ical, $this->Encoding);
+ $body .= static::$LE;
+ }
+ $body .= $this->endBoundary($this->boundary[1]);
+ break;
+ case 'alt_inline':
+ $body .= $mimepre;
+ $body .= $this->getBoundary(
+ $this->boundary[1],
+ $altBodyCharSet,
+ static::CONTENT_TYPE_PLAINTEXT,
+ $altBodyEncoding
+ );
+ $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->textLine('--' . $this->boundary[1]);
+ $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED . ';');
+ $body .= $this->textLine(' boundary="' . $this->boundary[2] . '";');
+ $body .= $this->textLine(' type="' . static::CONTENT_TYPE_TEXT_HTML . '"');
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[2],
+ $bodyCharSet,
+ static::CONTENT_TYPE_TEXT_HTML,
+ $bodyEncoding
+ );
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->attachAll('inline', $this->boundary[2]);
+ $body .= static::$LE;
+ $body .= $this->endBoundary($this->boundary[1]);
+ break;
+ case 'alt_attach':
+ $body .= $mimepre;
+ $body .= $this->textLine('--' . $this->boundary[1]);
+ $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE . ';');
+ $body .= $this->textLine(' boundary="' . $this->boundary[2] . '"');
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[2],
+ $altBodyCharSet,
+ static::CONTENT_TYPE_PLAINTEXT,
+ $altBodyEncoding
+ );
+ $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[2],
+ $bodyCharSet,
+ static::CONTENT_TYPE_TEXT_HTML,
+ $bodyEncoding
+ );
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ if (!empty($this->Ical)) {
+ $method = static::ICAL_METHOD_REQUEST;
+ foreach (static::$IcalMethods as $imethod) {
+ if (stripos($this->Ical, 'METHOD:' . $imethod) !== false) {
+ $method = $imethod;
+ break;
+ }
+ }
+ $body .= $this->getBoundary(
+ $this->boundary[2],
+ '',
+ static::CONTENT_TYPE_TEXT_CALENDAR . '; method=' . $method,
+ ''
+ );
+ $body .= $this->encodeString($this->Ical, $this->Encoding);
+ }
+ $body .= $this->endBoundary($this->boundary[2]);
+ $body .= static::$LE;
+ $body .= $this->attachAll('attachment', $this->boundary[1]);
+ break;
+ case 'alt_inline_attach':
+ $body .= $mimepre;
+ $body .= $this->textLine('--' . $this->boundary[1]);
+ $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_ALTERNATIVE . ';');
+ $body .= $this->textLine(' boundary="' . $this->boundary[2] . '"');
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[2],
+ $altBodyCharSet,
+ static::CONTENT_TYPE_PLAINTEXT,
+ $altBodyEncoding
+ );
+ $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->textLine('--' . $this->boundary[2]);
+ $body .= $this->headerLine('Content-Type', static::CONTENT_TYPE_MULTIPART_RELATED . ';');
+ $body .= $this->textLine(' boundary="' . $this->boundary[3] . '";');
+ $body .= $this->textLine(' type="' . static::CONTENT_TYPE_TEXT_HTML . '"');
+ $body .= static::$LE;
+ $body .= $this->getBoundary(
+ $this->boundary[3],
+ $bodyCharSet,
+ static::CONTENT_TYPE_TEXT_HTML,
+ $bodyEncoding
+ );
+ $body .= $this->encodeString($this->Body, $bodyEncoding);
+ $body .= static::$LE;
+ $body .= $this->attachAll('inline', $this->boundary[3]);
+ $body .= static::$LE;
+ $body .= $this->endBoundary($this->boundary[2]);
+ $body .= static::$LE;
+ $body .= $this->attachAll('attachment', $this->boundary[1]);
+ break;
+ default:
+ // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
+ //Reset the `Encoding` property in case we changed it for line length reasons
+ $this->Encoding = $bodyEncoding;
+ $body .= $this->encodeString($this->Body, $this->Encoding);
+ break;
+ }
+
+ if ($this->isError()) {
+ $body = '';
+ if ($this->exceptions) {
+ throw new Exception($this->lang('empty_message'), self::STOP_CRITICAL);
+ }
+ } elseif ($this->sign_key_file) {
+ try {
+ if (!defined('PKCS7_TEXT')) {
+ throw new Exception($this->lang('extension_missing') . 'openssl');
+ }
+
+ $file = tempnam(sys_get_temp_dir(), 'srcsign');
+ $signed = tempnam(sys_get_temp_dir(), 'mailsign');
+ file_put_contents($file, $body);
+
+ //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
+ if (empty($this->sign_extracerts_file)) {
+ $sign = @openssl_pkcs7_sign(
+ $file,
+ $signed,
+ 'file://' . realpath($this->sign_cert_file),
+ ['file://' . realpath($this->sign_key_file), $this->sign_key_pass],
+ []
+ );
+ } else {
+ $sign = @openssl_pkcs7_sign(
+ $file,
+ $signed,
+ 'file://' . realpath($this->sign_cert_file),
+ ['file://' . realpath($this->sign_key_file), $this->sign_key_pass],
+ [],
+ PKCS7_DETACHED,
+ $this->sign_extracerts_file
+ );
+ }
+
+ @unlink($file);
+ if ($sign) {
+ $body = file_get_contents($signed);
+ @unlink($signed);
+ //The message returned by openssl contains both headers and body, so need to split them up
+ $parts = explode("\n\n", $body, 2);
+ $this->MIMEHeader .= $parts[0] . static::$LE . static::$LE;
+ $body = $parts[1];
+ } else {
+ @unlink($signed);
+ throw new Exception($this->lang('signing') . openssl_error_string());
+ }
+ } catch (Exception $exc) {
+ $body = '';
+ if ($this->exceptions) {
+ throw $exc;
+ }
+ }
+ }
+
+ return $body;
+ }
+
+ /**
+ * Return the start of a message boundary.
+ *
+ * @param string $boundary
+ * @param string $charSet
+ * @param string $contentType
+ * @param string $encoding
+ *
+ * @return string
+ */
+ protected function getBoundary($boundary, $charSet, $contentType, $encoding)
+ {
+ $result = '';
+ if ('' === $charSet) {
+ $charSet = $this->CharSet;
+ }
+ if ('' === $contentType) {
+ $contentType = $this->ContentType;
+ }
+ if ('' === $encoding) {
+ $encoding = $this->Encoding;
+ }
+ $result .= $this->textLine('--' . $boundary);
+ $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
+ $result .= static::$LE;
+ // RFC1341 part 5 says 7bit is assumed if not specified
+ if (static::ENCODING_7BIT !== $encoding) {
+ $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
+ }
+ $result .= static::$LE;
+
+ return $result;
+ }
+
+ /**
+ * Return the end of a message boundary.
+ *
+ * @param string $boundary
+ *
+ * @return string
+ */
+ protected function endBoundary($boundary)
+ {
+ return static::$LE . '--' . $boundary . '--' . static::$LE;
+ }
+
+ /**
+ * Set the message type.
+ * PHPMailer only supports some preset message types, not arbitrary MIME structures.
+ */
+ protected function setMessageType()
+ {
+ $type = [];
+ if ($this->alternativeExists()) {
+ $type[] = 'alt';
+ }
+ if ($this->inlineImageExists()) {
+ $type[] = 'inline';
+ }
+ if ($this->attachmentExists()) {
+ $type[] = 'attach';
+ }
+ $this->message_type = implode('_', $type);
+ if ('' === $this->message_type) {
+ //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
+ $this->message_type = 'plain';
+ }
+ }
+
+ /**
+ * Format a header line.
+ *
+ * @param string $name
+ * @param string|int $value
+ *
+ * @return string
+ */
+ public function headerLine($name, $value)
+ {
+ return $name . ': ' . $value . static::$LE;
+ }
+
+ /**
+ * Return a formatted mail line.
+ *
+ * @param string $value
+ *
+ * @return string
+ */
+ public function textLine($value)
+ {
+ return $value . static::$LE;
+ }
+
+ /**
+ * Add an attachment from a path on the filesystem.
+ * Never use a user-supplied path to a file!
+ * Returns false if the file could not be found or read.
+ * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
+ * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
+ *
+ * @param string $path Path to the attachment
+ * @param string $name Overrides the attachment name
+ * @param string $encoding File encoding (see $Encoding)
+ * @param string $type File extension (MIME) type
+ * @param string $disposition Disposition to use
+ *
+ * @throws Exception
+ *
+ * @return bool
+ */
+ public function addAttachment(
+ $path,
+ $name = '',
+ $encoding = self::ENCODING_BASE64,
+ $type = '',
+ $disposition = 'attachment'
+ ) {
+ try {
+ if (!static::isPermittedPath($path) || !@is_file($path) || !is_readable($path)) {
+ throw new Exception($this->lang('file_access') . $path, self::STOP_CONTINUE);
+ }
+
+ // If a MIME type is not specified, try to work it out from the file name
+ if ('' === $type) {
+ $type = static::filenameToType($path);
+ }
+
+ $filename = (string) static::mb_pathinfo($path, PATHINFO_BASENAME);
+ if ('' === $name) {
+ $name = $filename;
+ }
+
+ if (!$this->validateEncoding($encoding)) {
+ throw new Exception($this->lang('encoding') . $encoding);
+ }
+
+ $this->attachment[] = [
+ 0 => $path,
+ 1 => $filename,
+ 2 => $name,
+ 3 => $encoding,
+ 4 => $type,
+ 5 => false, // isStringAttachment
+ 6 => $disposition,
+ 7 => $name,
+ ];
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Return the array of attachments.
+ *
+ * @return array
+ */
+ public function getAttachments()
+ {
+ return $this->attachment;
+ }
+
+ /**
+ * Attach all file, string, and binary attachments to the message.
+ * Returns an empty string on failure.
+ *
+ * @param string $disposition_type
+ * @param string $boundary
+ *
+ * @throws Exception
+ *
+ * @return string
+ */
+ protected function attachAll($disposition_type, $boundary)
+ {
+ // Return text of body
+ $mime = [];
+ $cidUniq = [];
+ $incl = [];
+
+ // Add all attachments
+ foreach ($this->attachment as $attachment) {
+ // Check if it is a valid disposition_filter
+ if ($attachment[6] === $disposition_type) {
+ // Check for string attachment
+ $string = '';
+ $path = '';
+ $bString = $attachment[5];
+ if ($bString) {
+ $string = $attachment[0];
+ } else {
+ $path = $attachment[0];
+ }
+
+ $inclhash = hash('sha256', serialize($attachment));
+ if (in_array($inclhash, $incl, true)) {
+ continue;
+ }
+ $incl[] = $inclhash;
+ $name = $attachment[2];
+ $encoding = $attachment[3];
+ $type = $attachment[4];
+ $disposition = $attachment[6];
+ $cid = $attachment[7];
+ if ('inline' === $disposition && array_key_exists($cid, $cidUniq)) {
+ continue;
+ }
+ $cidUniq[$cid] = true;
+
+ $mime[] = sprintf('--%s%s', $boundary, static::$LE);
+ //Only include a filename property if we have one
+ if (!empty($name)) {
+ $mime[] = sprintf(
+ 'Content-Type: %s; name=%s%s',
+ $type,
+ static::quotedString($this->encodeHeader($this->secureHeader($name))),
+ static::$LE
+ );
+ } else {
+ $mime[] = sprintf(
+ 'Content-Type: %s%s',
+ $type,
+ static::$LE
+ );
+ }
+ // RFC1341 part 5 says 7bit is assumed if not specified
+ if (static::ENCODING_7BIT !== $encoding) {
+ $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, static::$LE);
+ }
+
+ //Only set Content-IDs on inline attachments
+ if ((string) $cid !== '' && $disposition === 'inline') {
+ $mime[] = 'Content-ID: <' . $this->encodeHeader($this->secureHeader($cid)) . '>' . static::$LE;
+ }
+
+ // Allow for bypassing the Content-Disposition header
+ if (!empty($disposition)) {
+ $encoded_name = $this->encodeHeader($this->secureHeader($name));
+ if (!empty($encoded_name)) {
+ $mime[] = sprintf(
+ 'Content-Disposition: %s; filename=%s%s',
+ $disposition,
+ static::quotedString($encoded_name),
+ static::$LE . static::$LE
+ );
+ } else {
+ $mime[] = sprintf(
+ 'Content-Disposition: %s%s',
+ $disposition,
+ static::$LE . static::$LE
+ );
+ }
+ } else {
+ $mime[] = static::$LE;
+ }
+
+ // Encode as string attachment
+ if ($bString) {
+ $mime[] = $this->encodeString($string, $encoding);
+ } else {
+ $mime[] = $this->encodeFile($path, $encoding);
+ }
+ if ($this->isError()) {
+ return '';
+ }
+ $mime[] = static::$LE;
+ }
+ }
+
+ $mime[] = sprintf('--%s--%s', $boundary, static::$LE);
+
+ return implode('', $mime);
+ }
+
+ /**
+ * Encode a file attachment in requested format.
+ * Returns an empty string on failure.
+ *
+ * @param string $path The full path to the file
+ * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
+ *
+ * @return string
+ */
+ protected function encodeFile($path, $encoding = self::ENCODING_BASE64)
+ {
+ try {
+ if (!static::isPermittedPath($path) || !file_exists($path) || !is_readable($path)) {
+ throw new Exception($this->lang('file_open') . $path, self::STOP_CONTINUE);
+ }
+ $file_buffer = file_get_contents($path);
+ if (false === $file_buffer) {
+ throw new Exception($this->lang('file_open') . $path, self::STOP_CONTINUE);
+ }
+ $file_buffer = $this->encodeString($file_buffer, $encoding);
+
+ return $file_buffer;
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return '';
+ }
+ }
+
+ /**
+ * Encode a string in requested format.
+ * Returns an empty string on failure.
+ *
+ * @param string $str The text to encode
+ * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
+ *
+ * @throws Exception
+ *
+ * @return string
+ */
+ public function encodeString($str, $encoding = self::ENCODING_BASE64)
+ {
+ $encoded = '';
+ switch (strtolower($encoding)) {
+ case static::ENCODING_BASE64:
+ $encoded = chunk_split(
+ base64_encode($str),
+ static::STD_LINE_LENGTH,
+ static::$LE
+ );
+ break;
+ case static::ENCODING_7BIT:
+ case static::ENCODING_8BIT:
+ $encoded = static::normalizeBreaks($str);
+ // Make sure it ends with a line break
+ if (substr($encoded, -(strlen(static::$LE))) !== static::$LE) {
+ $encoded .= static::$LE;
+ }
+ break;
+ case static::ENCODING_BINARY:
+ $encoded = $str;
+ break;
+ case static::ENCODING_QUOTED_PRINTABLE:
+ $encoded = $this->encodeQP($str);
+ break;
+ default:
+ $this->setError($this->lang('encoding') . $encoding);
+ if ($this->exceptions) {
+ throw new Exception($this->lang('encoding') . $encoding);
+ }
+ break;
+ }
+
+ return $encoded;
+ }
+
+ /**
+ * Encode a header value (not including its label) optimally.
+ * Picks shortest of Q, B, or none. Result includes folding if needed.
+ * See RFC822 definitions for phrase, comment and text positions.
+ *
+ * @param string $str The header value to encode
+ * @param string $position What context the string will be used in
+ *
+ * @return string
+ */
+ public function encodeHeader($str, $position = 'text')
+ {
+ $matchcount = 0;
+ switch (strtolower($position)) {
+ case 'phrase':
+ if (!preg_match('/[\200-\377]/', $str)) {
+ // Can't use addslashes as we don't know the value of magic_quotes_sybase
+ $encoded = addcslashes($str, "\0..\37\177\\\"");
+ if (($str === $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
+ return $encoded;
+ }
+
+ return "\"$encoded\"";
+ }
+ $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
+ break;
+ /* @noinspection PhpMissingBreakStatementInspection */
+ case 'comment':
+ $matchcount = preg_match_all('/[()"]/', $str, $matches);
+ //fallthrough
+ case 'text':
+ default:
+ $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
+ break;
+ }
+
+ if ($this->has8bitChars($str)) {
+ $charset = $this->CharSet;
+ } else {
+ $charset = static::CHARSET_ASCII;
+ }
+
+ // Q/B encoding adds 8 chars and the charset ("` =?<charset>?[QB]?<content>?=`").
+ $overhead = 8 + strlen($charset);
+
+ if ('mail' === $this->Mailer) {
+ $maxlen = static::MAIL_MAX_LINE_LENGTH - $overhead;
+ } else {
+ $maxlen = static::MAX_LINE_LENGTH - $overhead;
+ }
+
+ // Select the encoding that produces the shortest output and/or prevents corruption.
+ if ($matchcount > strlen($str) / 3) {
+ // More than 1/3 of the content needs encoding, use B-encode.
+ $encoding = 'B';
+ } elseif ($matchcount > 0) {
+ // Less than 1/3 of the content needs encoding, use Q-encode.
+ $encoding = 'Q';
+ } elseif (strlen($str) > $maxlen) {
+ // No encoding needed, but value exceeds max line length, use Q-encode to prevent corruption.
+ $encoding = 'Q';
+ } else {
+ // No reformatting needed
+ $encoding = false;
+ }
+
+ switch ($encoding) {
+ case 'B':
+ if ($this->hasMultiBytes($str)) {
+ // Use a custom function which correctly encodes and wraps long
+ // multibyte strings without breaking lines within a character
+ $encoded = $this->base64EncodeWrapMB($str, "\n");
+ } else {
+ $encoded = base64_encode($str);
+ $maxlen -= $maxlen % 4;
+ $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
+ }
+ $encoded = preg_replace('/^(.*)$/m', ' =?' . $charset . "?$encoding?\\1?=", $encoded);
+ break;
+ case 'Q':
+ $encoded = $this->encodeQ($str, $position);
+ $encoded = $this->wrapText($encoded, $maxlen, true);
+ $encoded = str_replace('=' . static::$LE, "\n", trim($encoded));
+ $encoded = preg_replace('/^(.*)$/m', ' =?' . $charset . "?$encoding?\\1?=", $encoded);
+ break;
+ default:
+ return $str;
+ }
+
+ return trim(static::normalizeBreaks($encoded));
+ }
+
+ /**
+ * Check if a string contains multi-byte characters.
+ *
+ * @param string $str multi-byte text to wrap encode
+ *
+ * @return bool
+ */
+ public function hasMultiBytes($str)
+ {
+ if (function_exists('mb_strlen')) {
+ return strlen($str) > mb_strlen($str, $this->CharSet);
+ }
+
+ // Assume no multibytes (we can't handle without mbstring functions anyway)
+ return false;
+ }
+
+ /**
+ * Does a string contain any 8-bit chars (in any charset)?
+ *
+ * @param string $text
+ *
+ * @return bool
+ */
+ public function has8bitChars($text)
+ {
+ return (bool) preg_match('/[\x80-\xFF]/', $text);
+ }
+
+ /**
+ * Encode and wrap long multibyte strings for mail headers
+ * without breaking lines within a character.
+ * Adapted from a function by paravoid.
+ *
+ * @see http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
+ *
+ * @param string $str multi-byte text to wrap encode
+ * @param string $linebreak string to use as linefeed/end-of-line
+ *
+ * @return string
+ */
+ public function base64EncodeWrapMB($str, $linebreak = null)
+ {
+ $start = '=?' . $this->CharSet . '?B?';
+ $end = '?=';
+ $encoded = '';
+ if (null === $linebreak) {
+ $linebreak = static::$LE;
+ }
+
+ $mb_length = mb_strlen($str, $this->CharSet);
+ // Each line must have length <= 75, including $start and $end
+ $length = 75 - strlen($start) - strlen($end);
+ // Average multi-byte ratio
+ $ratio = $mb_length / strlen($str);
+ // Base64 has a 4:3 ratio
+ $avgLength = floor($length * $ratio * .75);
+
+ $offset = 0;
+ for ($i = 0; $i < $mb_length; $i += $offset) {
+ $lookBack = 0;
+ do {
+ $offset = $avgLength - $lookBack;
+ $chunk = mb_substr($str, $i, $offset, $this->CharSet);
+ $chunk = base64_encode($chunk);
+ ++$lookBack;
+ } while (strlen($chunk) > $length);
+ $encoded .= $chunk . $linebreak;
+ }
+
+ // Chomp the last linefeed
+ return substr($encoded, 0, -strlen($linebreak));
+ }
+
+ /**
+ * Encode a string in quoted-printable format.
+ * According to RFC2045 section 6.7.
+ *
+ * @param string $string The text to encode
+ *
+ * @return string
+ */
+ public function encodeQP($string)
+ {
+ return static::normalizeBreaks(quoted_printable_encode($string));
+ }
+
+ /**
+ * Encode a string using Q encoding.
+ *
+ * @see http://tools.ietf.org/html/rfc2047#section-4.2
+ *
+ * @param string $str the text to encode
+ * @param string $position Where the text is going to be used, see the RFC for what that means
+ *
+ * @return string
+ */
+ public function encodeQ($str, $position = 'text')
+ {
+ // There should not be any EOL in the string
+ $pattern = '';
+ $encoded = str_replace(["\r", "\n"], '', $str);
+ switch (strtolower($position)) {
+ case 'phrase':
+ // RFC 2047 section 5.3
+ $pattern = '^A-Za-z0-9!*+\/ -';
+ break;
+ /*
+ * RFC 2047 section 5.2.
+ * Build $pattern without including delimiters and []
+ */
+ /* @noinspection PhpMissingBreakStatementInspection */
+ case 'comment':
+ $pattern = '\(\)"';
+ /* Intentional fall through */
+ case 'text':
+ default:
+ // RFC 2047 section 5.1
+ // Replace every high ascii, control, =, ? and _ characters
+ $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
+ break;
+ }
+ $matches = [];
+ if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
+ // If the string contains an '=', make sure it's the first thing we replace
+ // so as to avoid double-encoding
+ $eqkey = array_search('=', $matches[0], true);
+ if (false !== $eqkey) {
+ unset($matches[0][$eqkey]);
+ array_unshift($matches[0], '=');
+ }
+ foreach (array_unique($matches[0]) as $char) {
+ $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
+ }
+ }
+ // Replace spaces with _ (more readable than =20)
+ // RFC 2047 section 4.2(2)
+ return str_replace(' ', '_', $encoded);
+ }
+
+ /**
+ * Add a string or binary attachment (non-filesystem).
+ * This method can be used to attach ascii or binary data,
+ * such as a BLOB record from a database.
+ *
+ * @param string $string String attachment data
+ * @param string $filename Name of the attachment
+ * @param string $encoding File encoding (see $Encoding)
+ * @param string $type File extension (MIME) type
+ * @param string $disposition Disposition to use
+ *
+ * @throws Exception
+ *
+ * @return bool True on successfully adding an attachment
+ */
+ public function addStringAttachment(
+ $string,
+ $filename,
+ $encoding = self::ENCODING_BASE64,
+ $type = '',
+ $disposition = 'attachment'
+ ) {
+ try {
+ // If a MIME type is not specified, try to work it out from the file name
+ if ('' === $type) {
+ $type = static::filenameToType($filename);
+ }
+
+ if (!$this->validateEncoding($encoding)) {
+ throw new Exception($this->lang('encoding') . $encoding);
+ }
+
+ // Append to $attachment array
+ $this->attachment[] = [
+ 0 => $string,
+ 1 => $filename,
+ 2 => static::mb_pathinfo($filename, PATHINFO_BASENAME),
+ 3 => $encoding,
+ 4 => $type,
+ 5 => true, // isStringAttachment
+ 6 => $disposition,
+ 7 => 0,
+ ];
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Add an embedded (inline) attachment from a file.
+ * This can include images, sounds, and just about any other document type.
+ * These differ from 'regular' attachments in that they are intended to be
+ * displayed inline with the message, not just attached for download.
+ * This is used in HTML messages that embed the images
+ * the HTML refers to using the $cid value.
+ * Never use a user-supplied path to a file!
+ *
+ * @param string $path Path to the attachment
+ * @param string $cid Content ID of the attachment; Use this to reference
+ * the content when using an embedded image in HTML
+ * @param string $name Overrides the attachment name
+ * @param string $encoding File encoding (see $Encoding)
+ * @param string $type File MIME type
+ * @param string $disposition Disposition to use
+ *
+ * @throws Exception
+ *
+ * @return bool True on successfully adding an attachment
+ */
+ public function addEmbeddedImage(
+ $path,
+ $cid,
+ $name = '',
+ $encoding = self::ENCODING_BASE64,
+ $type = '',
+ $disposition = 'inline'
+ ) {
+ try {
+ if (!static::isPermittedPath($path) || !@is_file($path) || !is_readable($path)) {
+ throw new Exception($this->lang('file_access') . $path, self::STOP_CONTINUE);
+ }
+
+ // If a MIME type is not specified, try to work it out from the file name
+ if ('' === $type) {
+ $type = static::filenameToType($path);
+ }
+
+ if (!$this->validateEncoding($encoding)) {
+ throw new Exception($this->lang('encoding') . $encoding);
+ }
+
+ $filename = (string) static::mb_pathinfo($path, PATHINFO_BASENAME);
+ if ('' === $name) {
+ $name = $filename;
+ }
+
+ // Append to $attachment array
+ $this->attachment[] = [
+ 0 => $path,
+ 1 => $filename,
+ 2 => $name,
+ 3 => $encoding,
+ 4 => $type,
+ 5 => false, // isStringAttachment
+ 6 => $disposition,
+ 7 => $cid,
+ ];
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Add an embedded stringified attachment.
+ * This can include images, sounds, and just about any other document type.
+ * If your filename doesn't contain an extension, be sure to set the $type to an appropriate MIME type.
+ *
+ * @param string $string The attachment binary data
+ * @param string $cid Content ID of the attachment; Use this to reference
+ * the content when using an embedded image in HTML
+ * @param string $name A filename for the attachment. If this contains an extension,
+ * PHPMailer will attempt to set a MIME type for the attachment.
+ * For example 'file.jpg' would get an 'image/jpeg' MIME type.
+ * @param string $encoding File encoding (see $Encoding), defaults to 'base64'
+ * @param string $type MIME type - will be used in preference to any automatically derived type
+ * @param string $disposition Disposition to use
+ *
+ * @throws Exception
+ *
+ * @return bool True on successfully adding an attachment
+ */
+ public function addStringEmbeddedImage(
+ $string,
+ $cid,
+ $name = '',
+ $encoding = self::ENCODING_BASE64,
+ $type = '',
+ $disposition = 'inline'
+ ) {
+ try {
+ // If a MIME type is not specified, try to work it out from the name
+ if ('' === $type && !empty($name)) {
+ $type = static::filenameToType($name);
+ }
+
+ if (!$this->validateEncoding($encoding)) {
+ throw new Exception($this->lang('encoding') . $encoding);
+ }
+
+ // Append to $attachment array
+ $this->attachment[] = [
+ 0 => $string,
+ 1 => $name,
+ 2 => $name,
+ 3 => $encoding,
+ 4 => $type,
+ 5 => true, // isStringAttachment
+ 6 => $disposition,
+ 7 => $cid,
+ ];
+ } catch (Exception $exc) {
+ $this->setError($exc->getMessage());
+ $this->edebug($exc->getMessage());
+ if ($this->exceptions) {
+ throw $exc;
+ }
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Validate encodings.
+ *
+ * @param string $encoding
+ *
+ * @return bool
+ */
+ protected function validateEncoding($encoding)
+ {
+ return in_array(
+ $encoding,
+ [
+ self::ENCODING_7BIT,
+ self::ENCODING_QUOTED_PRINTABLE,
+ self::ENCODING_BASE64,
+ self::ENCODING_8BIT,
+ self::ENCODING_BINARY,
+ ],
+ true
+ );
+ }
+
+ /**
+ * Check if an embedded attachment is present with this cid.
+ *
+ * @param string $cid
+ *
+ * @return bool
+ */
+ protected function cidExists($cid)
+ {
+ foreach ($this->attachment as $attachment) {
+ if ('inline' === $attachment[6] && $cid === $attachment[7]) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if an inline attachment is present.
+ *
+ * @return bool
+ */
+ public function inlineImageExists()
+ {
+ foreach ($this->attachment as $attachment) {
+ if ('inline' === $attachment[6]) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if an attachment (non-inline) is present.
+ *
+ * @return bool
+ */
+ public function attachmentExists()
+ {
+ foreach ($this->attachment as $attachment) {
+ if ('attachment' === $attachment[6]) {
+ return true;
+ }
+ }
+
+ return false;
+ }
+
+ /**
+ * Check if this message has an alternative body set.
+ *
+ * @return bool
+ */
+ public function alternativeExists()
+ {
+ return !empty($this->AltBody);
+ }
+
+ /**
+ * Clear queued addresses of given kind.
+ *
+ * @param string $kind 'to', 'cc', or 'bcc'
+ */
+ public function clearQueuedAddresses($kind)
+ {
+ $this->RecipientsQueue = array_filter(
+ $this->RecipientsQueue,
+ static function ($params) use ($kind) {
+ return $params[0] !== $kind;
+ }
+ );
+ }
+
+ /**
+ * Clear all To recipients.
+ */
+ public function clearAddresses()
+ {
+ foreach ($this->to as $to) {
+ unset($this->all_recipients[strtolower($to[0])]);
+ }
+ $this->to = [];
+ $this->clearQueuedAddresses('to');
+ }
+
+ /**
+ * Clear all CC recipients.
+ */
+ public function clearCCs()
+ {
+ foreach ($this->cc as $cc) {
+ unset($this->all_recipients[strtolower($cc[0])]);
+ }
+ $this->cc = [];
+ $this->clearQueuedAddresses('cc');
+ }
+
+ /**
+ * Clear all BCC recipients.
+ */
+ public function clearBCCs()
+ {
+ foreach ($this->bcc as $bcc) {
+ unset($this->all_recipients[strtolower($bcc[0])]);
+ }
+ $this->bcc = [];
+ $this->clearQueuedAddresses('bcc');
+ }
+
+ /**
+ * Clear all ReplyTo recipients.
+ */
+ public function clearReplyTos()
+ {
+ $this->ReplyTo = [];
+ $this->ReplyToQueue = [];
+ }
+
+ /**
+ * Clear all recipient types.
+ */
+ public function clearAllRecipients()
+ {
+ $this->to = [];
+ $this->cc = [];
+ $this->bcc = [];
+ $this->all_recipients = [];
+ $this->RecipientsQueue = [];
+ }
+
+ /**
+ * Clear all filesystem, string, and binary attachments.
+ */
+ public function clearAttachments()
+ {
+ $this->attachment = [];
+ }
+
+ /**
+ * Clear all custom headers.
+ */
+ public function clearCustomHeaders()
+ {
+ $this->CustomHeader = [];
+ }
+
+ /**
+ * Add an error message to the error container.
+ *
+ * @param string $msg
+ */
+ protected function setError($msg)
+ {
+ ++$this->error_count;
+ if ('smtp' === $this->Mailer && null !== $this->smtp) {
+ $lasterror = $this->smtp->getError();
+ if (!empty($lasterror['error'])) {
+ $msg .= $this->lang('smtp_error') . $lasterror['error'];
+ if (!empty($lasterror['detail'])) {
+ $msg .= ' Detail: ' . $lasterror['detail'];
+ }
+ if (!empty($lasterror['smtp_code'])) {
+ $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
+ }
+ if (!empty($lasterror['smtp_code_ex'])) {
+ $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
+ }
+ }
+ }
+ $this->ErrorInfo = $msg;
+ }
+
+ /**
+ * Return an RFC 822 formatted date.
+ *
+ * @return string
+ */
+ public static function rfcDate()
+ {
+ // Set the time zone to whatever the default is to avoid 500 errors
+ // Will default to UTC if it's not set properly in php.ini
+ date_default_timezone_set(@date_default_timezone_get());
+
+ return date('D, j M Y H:i:s O');
+ }
+
+ /**
+ * Get the server hostname.
+ * Returns 'localhost.localdomain' if unknown.
+ *
+ * @return string
+ */
+ protected function serverHostname()
+ {
+ $result = '';
+ if (!empty($this->Hostname)) {
+ $result = $this->Hostname;
+ } elseif (isset($_SERVER) && array_key_exists('SERVER_NAME', $_SERVER)) {
+ $result = $_SERVER['SERVER_NAME'];
+ } elseif (function_exists('gethostname') && gethostname() !== false) {
+ $result = gethostname();
+ } elseif (php_uname('n') !== false) {
+ $result = php_uname('n');
+ }
+ if (!static::isValidHost($result)) {
+ return 'localhost.localdomain';
+ }
+
+ return $result;
+ }
+
+ /**
+ * Validate whether a string contains a valid value to use as a hostname or IP address.
+ * IPv6 addresses must include [], e.g. `[::1]`, not just `::1`.
+ *
+ * @param string $host The host name or IP address to check
+ *
+ * @return bool
+ */
+ public static function isValidHost($host)
+ {
+ //Simple syntax limits
+ if (empty($host)
+ || !is_string($host)
+ || strlen($host) > 256
+ || !preg_match('/^([a-zA-Z\d.-]*|\[[a-fA-F\d:]+])$/', $host)
+ ) {
+ return false;
+ }
+ //Looks like a bracketed IPv6 address
+ if (strlen($host) > 2 && substr($host, 0, 1) === '[' && substr($host, -1, 1) === ']') {
+ return filter_var(substr($host, 1, -1), FILTER_VALIDATE_IP, FILTER_FLAG_IPV6) !== false;
+ }
+ //If removing all the dots results in a numeric string, it must be an IPv4 address.
+ //Need to check this first because otherwise things like `999.0.0.0` are considered valid host names
+ if (is_numeric(str_replace('.', '', $host))) {
+ //Is it a valid IPv4 address?
+ return filter_var($host, FILTER_VALIDATE_IP, FILTER_FLAG_IPV4) !== false;
+ }
+ if (filter_var('http://' . $host, FILTER_VALIDATE_URL) !== false) {
+ //Is it a syntactically valid hostname?
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Get an error message in the current language.
+ *
+ * @param string $key
+ *
+ * @return string
+ */
+ protected function lang($key)
+ {
+ if (count($this->language) < 1) {
+ $this->setLanguage(); // set the default language
+ }
+
+ if (array_key_exists($key, $this->language)) {
+ if ('smtp_connect_failed' === $key) {
+ //Include a link to troubleshooting docs on SMTP connection failure
+ //this is by far the biggest cause of support questions
+ //but it's usually not PHPMailer's fault.
+ return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
+ }
+
+ return $this->language[$key];
+ }
+
+ //Return the key as a fallback
+ return $key;
+ }
+
+ /**
+ * Check if an error occurred.
+ *
+ * @return bool True if an error did occur
+ */
+ public function isError()
+ {
+ return $this->error_count > 0;
+ }
+
+ /**
+ * Add a custom header.
+ * $name value can be overloaded to contain
+ * both header name and value (name:value).
+ *
+ * @param string $name Custom header name
+ * @param string|null $value Header value
+ *
+ * @throws Exception
+ */
+ public function addCustomHeader($name, $value = null)
+ {
+ if (null === $value && strpos($name, ':') !== false) {
+ // Value passed in as name:value
+ list($name, $value) = explode(':', $name, 2);
+ }
+ $name = trim($name);
+ $value = trim($value);
+ //Ensure name is not empty, and that neither name nor value contain line breaks
+ if (empty($name) || strpbrk($name . $value, "\r\n") !== false) {
+ if ($this->exceptions) {
+ throw new Exception('Invalid header name or value');
+ }
+
+ return false;
+ }
+ $this->CustomHeader[] = [$name, $value];
+
+ return true;
+ }
+
+ /**
+ * Returns all custom headers.
+ *
+ * @return array
+ */
+ public function getCustomHeaders()
+ {
+ return $this->CustomHeader;
+ }
+
+ /**
+ * Create a message body from an HTML string.
+ * Automatically inlines images and creates a plain-text version by converting the HTML,
+ * overwriting any existing values in Body and AltBody.
+ * Do not source $message content from user input!
+ * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
+ * will look for an image file in $basedir/images/a.png and convert it to inline.
+ * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
+ * Converts data-uri images into embedded attachments.
+ * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
+ *
+ * @param string $message HTML message string
+ * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
+ * @param bool|callable $advanced Whether to use the internal HTML to text converter
+ * or your own custom converter @return string $message The transformed message Body
+ *
+ * @throws Exception
+ *
+ * @see PHPMailer::html2text()
+ */
+ public function msgHTML($message, $basedir = '', $advanced = false)
+ {
+ preg_match_all('/(?<!-)(src|background)=["\'](.*)["\']/Ui', $message, $images);
+ if (array_key_exists(2, $images)) {
+ if (strlen($basedir) > 1 && '/' !== substr($basedir, -1)) {
+ // Ensure $basedir has a trailing /
+ $basedir .= '/';
+ }
+ foreach ($images[2] as $imgindex => $url) {
+ // Convert data URIs into embedded images
+ //e.g. "data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw=="
+ $match = [];
+ if (preg_match('#^data:(image/(?:jpe?g|gif|png));?(base64)?,(.+)#', $url, $match)) {
+ if (count($match) === 4 && static::ENCODING_BASE64 === $match[2]) {
+ $data = base64_decode($match[3]);
+ } elseif ('' === $match[2]) {
+ $data = rawurldecode($match[3]);
+ } else {
+ //Not recognised so leave it alone
+ continue;
+ }
+ //Hash the decoded data, not the URL, so that the same data-URI image used in multiple places
+ //will only be embedded once, even if it used a different encoding
+ $cid = substr(hash('sha256', $data), 0, 32) . '@phpmailer.0'; // RFC2392 S 2
+
+ if (!$this->cidExists($cid)) {
+ $this->addStringEmbeddedImage(
+ $data,
+ $cid,
+ 'embed' . $imgindex,
+ static::ENCODING_BASE64,
+ $match[1]
+ );
+ }
+ $message = str_replace(
+ $images[0][$imgindex],
+ $images[1][$imgindex] . '="cid:' . $cid . '"',
+ $message
+ );
+ continue;
+ }
+ if (// Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
+ !empty($basedir)
+ // Ignore URLs containing parent dir traversal (..)
+ && (strpos($url, '..') === false)
+ // Do not change urls that are already inline images
+ && 0 !== strpos($url, 'cid:')
+ // Do not change absolute URLs, including anonymous protocol
+ && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
+ ) {
+ $filename = static::mb_pathinfo($url, PATHINFO_BASENAME);
+ $directory = dirname($url);
+ if ('.' === $directory) {
+ $directory = '';
+ }
+ // RFC2392 S 2
+ $cid = substr(hash('sha256', $url), 0, 32) . '@phpmailer.0';
+ if (strlen($basedir) > 1 && '/' !== substr($basedir, -1)) {
+ $basedir .= '/';
+ }
+ if (strlen($directory) > 1 && '/' !== substr($directory, -1)) {
+ $directory .= '/';
+ }
+ if ($this->addEmbeddedImage(
+ $basedir . $directory . $filename,
+ $cid,
+ $filename,
+ static::ENCODING_BASE64,
+ static::_mime_types((string) static::mb_pathinfo($filename, PATHINFO_EXTENSION))
+ )
+ ) {
+ $message = preg_replace(
+ '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
+ $images[1][$imgindex] . '="cid:' . $cid . '"',
+ $message
+ );
+ }
+ }
+ }
+ }
+ $this->isHTML();
+ // Convert all message body line breaks to LE, makes quoted-printable encoding work much better
+ $this->Body = static::normalizeBreaks($message);
+ $this->AltBody = static::normalizeBreaks($this->html2text($message, $advanced));
+ if (!$this->alternativeExists()) {
+ $this->AltBody = 'This is an HTML-only message. To view it, activate HTML in your email application.'
+ . static::$LE;
+ }
+
+ return $this->Body;
+ }
+
+ /**
+ * Convert an HTML string into plain text.
+ * This is used by msgHTML().
+ * Note - older versions of this function used a bundled advanced converter
+ * which was removed for license reasons in #232.
+ * Example usage:
+ *
+ * ```php
+ * // Use default conversion
+ * $plain = $mail->html2text($html);
+ * // Use your own custom converter
+ * $plain = $mail->html2text($html, function($html) {
+ * $converter = new MyHtml2text($html);
+ * return $converter->get_text();
+ * });
+ * ```
+ *
+ * @param string $html The HTML text to convert
+ * @param bool|callable $advanced Any boolean value to use the internal converter,
+ * or provide your own callable for custom conversion
+ *
+ * @return string
+ */
+ public function html2text($html, $advanced = false)
+ {
+ if (is_callable($advanced)) {
+ return $advanced($html);
+ }
+
+ return html_entity_decode(
+ trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
+ ENT_QUOTES,
+ $this->CharSet
+ );
+ }
+
+ /**
+ * Get the MIME type for a file extension.
+ *
+ * @param string $ext File extension
+ *
+ * @return string MIME type of file
+ */
+ public static function _mime_types($ext = '')
+ {
+ $mimes = [
+ 'xl' => 'application/excel',
+ 'js' => 'application/javascript',
+ 'hqx' => 'application/mac-binhex40',
+ 'cpt' => 'application/mac-compactpro',
+ 'bin' => 'application/macbinary',
+ 'doc' => 'application/msword',
+ 'word' => 'application/msword',
+ 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+ 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+ 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+ 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+ 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+ 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+ 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+ 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+ 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+ 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+ 'class' => 'application/octet-stream',
+ 'dll' => 'application/octet-stream',
+ 'dms' => 'application/octet-stream',
+ 'exe' => 'application/octet-stream',
+ 'lha' => 'application/octet-stream',
+ 'lzh' => 'application/octet-stream',
+ 'psd' => 'application/octet-stream',
+ 'sea' => 'application/octet-stream',
+ 'so' => 'application/octet-stream',
+ 'oda' => 'application/oda',
+ 'pdf' => 'application/pdf',
+ 'ai' => 'application/postscript',
+ 'eps' => 'application/postscript',
+ 'ps' => 'application/postscript',
+ 'smi' => 'application/smil',
+ 'smil' => 'application/smil',
+ 'mif' => 'application/vnd.mif',
+ 'xls' => 'application/vnd.ms-excel',
+ 'ppt' => 'application/vnd.ms-powerpoint',
+ 'wbxml' => 'application/vnd.wap.wbxml',
+ 'wmlc' => 'application/vnd.wap.wmlc',
+ 'dcr' => 'application/x-director',
+ 'dir' => 'application/x-director',
+ 'dxr' => 'application/x-director',
+ 'dvi' => 'application/x-dvi',
+ 'gtar' => 'application/x-gtar',
+ 'php3' => 'application/x-httpd-php',
+ 'php4' => 'application/x-httpd-php',
+ 'php' => 'application/x-httpd-php',
+ 'phtml' => 'application/x-httpd-php',
+ 'phps' => 'application/x-httpd-php-source',
+ 'swf' => 'application/x-shockwave-flash',
+ 'sit' => 'application/x-stuffit',
+ 'tar' => 'application/x-tar',
+ 'tgz' => 'application/x-tar',
+ 'xht' => 'application/xhtml+xml',
+ 'xhtml' => 'application/xhtml+xml',
+ 'zip' => 'application/zip',
+ 'mid' => 'audio/midi',
+ 'midi' => 'audio/midi',
+ 'mp2' => 'audio/mpeg',
+ 'mp3' => 'audio/mpeg',
+ 'm4a' => 'audio/mp4',
+ 'mpga' => 'audio/mpeg',
+ 'aif' => 'audio/x-aiff',
+ 'aifc' => 'audio/x-aiff',
+ 'aiff' => 'audio/x-aiff',
+ 'ram' => 'audio/x-pn-realaudio',
+ 'rm' => 'audio/x-pn-realaudio',
+ 'rpm' => 'audio/x-pn-realaudio-plugin',
+ 'ra' => 'audio/x-realaudio',
+ 'wav' => 'audio/x-wav',
+ 'mka' => 'audio/x-matroska',
+ 'bmp' => 'image/bmp',
+ 'gif' => 'image/gif',
+ 'jpeg' => 'image/jpeg',
+ 'jpe' => 'image/jpeg',
+ 'jpg' => 'image/jpeg',
+ 'png' => 'image/png',
+ 'tiff' => 'image/tiff',
+ 'tif' => 'image/tiff',
+ 'webp' => 'image/webp',
+ 'heif' => 'image/heif',
+ 'heifs' => 'image/heif-sequence',
+ 'heic' => 'image/heic',
+ 'heics' => 'image/heic-sequence',
+ 'eml' => 'message/rfc822',
+ 'css' => 'text/css',
+ 'html' => 'text/html',
+ 'htm' => 'text/html',
+ 'shtml' => 'text/html',
+ 'log' => 'text/plain',
+ 'text' => 'text/plain',
+ 'txt' => 'text/plain',
+ 'rtx' => 'text/richtext',
+ 'rtf' => 'text/rtf',
+ 'vcf' => 'text/vcard',
+ 'vcard' => 'text/vcard',
+ 'ics' => 'text/calendar',
+ 'xml' => 'text/xml',
+ 'xsl' => 'text/xml',
+ 'wmv' => 'video/x-ms-wmv',
+ 'mpeg' => 'video/mpeg',
+ 'mpe' => 'video/mpeg',
+ 'mpg' => 'video/mpeg',
+ 'mp4' => 'video/mp4',
+ 'm4v' => 'video/mp4',
+ 'mov' => 'video/quicktime',
+ 'qt' => 'video/quicktime',
+ 'rv' => 'video/vnd.rn-realvideo',
+ 'avi' => 'video/x-msvideo',
+ 'movie' => 'video/x-sgi-movie',
+ 'webm' => 'video/webm',
+ 'mkv' => 'video/x-matroska',
+ ];
+ $ext = strtolower($ext);
+ if (array_key_exists($ext, $mimes)) {
+ return $mimes[$ext];
+ }
+
+ return 'application/octet-stream';
+ }
+
+ /**
+ * Map a file name to a MIME type.
+ * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
+ *
+ * @param string $filename A file name or full path, does not need to exist as a file
+ *
+ * @return string
+ */
+ public static function filenameToType($filename)
+ {
+ // In case the path is a URL, strip any query string before getting extension
+ $qpos = strpos($filename, '?');
+ if (false !== $qpos) {
+ $filename = substr($filename, 0, $qpos);
+ }
+ $ext = static::mb_pathinfo($filename, PATHINFO_EXTENSION);
+
+ return static::_mime_types($ext);
+ }
+
+ /**
+ * Multi-byte-safe pathinfo replacement.
+ * Drop-in replacement for pathinfo(), but multibyte- and cross-platform-safe.
+ *
+ * @see http://www.php.net/manual/en/function.pathinfo.php#107461
+ *
+ * @param string $path A filename or path, does not need to exist as a file
+ * @param int|string $options Either a PATHINFO_* constant,
+ * or a string name to return only the specified piece
+ *
+ * @return string|array
+ */
+ public static function mb_pathinfo($path, $options = null)
+ {
+ $ret = ['dirname' => '', 'basename' => '', 'extension' => '', 'filename' => ''];
+ $pathinfo = [];
+ if (preg_match('#^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^.\\\\/]+?)|))[\\\\/.]*$#m', $path, $pathinfo)) {
+ if (array_key_exists(1, $pathinfo)) {
+ $ret['dirname'] = $pathinfo[1];
+ }
+ if (array_key_exists(2, $pathinfo)) {
+ $ret['basename'] = $pathinfo[2];
+ }
+ if (array_key_exists(5, $pathinfo)) {
+ $ret['extension'] = $pathinfo[5];
+ }
+ if (array_key_exists(3, $pathinfo)) {
+ $ret['filename'] = $pathinfo[3];
+ }
+ }
+ switch ($options) {
+ case PATHINFO_DIRNAME:
+ case 'dirname':
+ return $ret['dirname'];
+ case PATHINFO_BASENAME:
+ case 'basename':
+ return $ret['basename'];
+ case PATHINFO_EXTENSION:
+ case 'extension':
+ return $ret['extension'];
+ case PATHINFO_FILENAME:
+ case 'filename':
+ return $ret['filename'];
+ default:
+ return $ret;
+ }
+ }
+
+ /**
+ * Set or reset instance properties.
+ * You should avoid this function - it's more verbose, less efficient, more error-prone and
+ * harder to debug than setting properties directly.
+ * Usage Example:
+ * `$mail->set('SMTPSecure', static::ENCRYPTION_STARTTLS);`
+ * is the same as:
+ * `$mail->SMTPSecure = static::ENCRYPTION_STARTTLS;`.
+ *
+ * @param string $name The property name to set
+ * @param mixed $value The value to set the property to
+ *
+ * @return bool
+ */
+ public function set($name, $value = '')
+ {
+ if (property_exists($this, $name)) {
+ $this->$name = $value;
+
+ return true;
+ }
+ $this->setError($this->lang('variable_set') . $name);
+
+ return false;
+ }
+
+ /**
+ * Strip newlines to prevent header injection.
+ *
+ * @param string $str
+ *
+ * @return string
+ */
+ public function secureHeader($str)
+ {
+ return trim(str_replace(["\r", "\n"], '', $str));
+ }
+
+ /**
+ * Normalize line breaks in a string.
+ * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
+ * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
+ *
+ * @param string $text
+ * @param string $breaktype What kind of line break to use; defaults to static::$LE
+ *
+ * @return string
+ */
+ public static function normalizeBreaks($text, $breaktype = null)
+ {
+ if (null === $breaktype) {
+ $breaktype = static::$LE;
+ }
+ // Normalise to \n
+ $text = str_replace([self::CRLF, "\r"], "\n", $text);
+ // Now convert LE as needed
+ if ("\n" !== $breaktype) {
+ $text = str_replace("\n", $breaktype, $text);
+ }
+
+ return $text;
+ }
+
+ /**
+ * Remove trailing breaks from a string.
+ *
+ * @param string $text
+ *
+ * @return string The text to remove breaks from
+ */
+ public static function stripTrailingWSP($text)
+ {
+ return rtrim($text, " \r\n\t");
+ }
+
+ /**
+ * Return the current line break format string.
+ *
+ * @return string
+ */
+ public static function getLE()
+ {
+ return static::$LE;
+ }
+
+ /**
+ * Set the line break format string, e.g. "\r\n".
+ *
+ * @param string $le
+ */
+ protected static function setLE($le)
+ {
+ static::$LE = $le;
+ }
+
+ /**
+ * Set the public and private key files and password for S/MIME signing.
+ *
+ * @param string $cert_filename
+ * @param string $key_filename
+ * @param string $key_pass Password for private key
+ * @param string $extracerts_filename Optional path to chain certificate
+ */
+ public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
+ {
+ $this->sign_cert_file = $cert_filename;
+ $this->sign_key_file = $key_filename;
+ $this->sign_key_pass = $key_pass;
+ $this->sign_extracerts_file = $extracerts_filename;
+ }
+
+ /**
+ * Quoted-Printable-encode a DKIM header.
+ *
+ * @param string $txt
+ *
+ * @return string
+ */
+ public function DKIM_QP($txt)
+ {
+ $line = '';
+ $len = strlen($txt);
+ for ($i = 0; $i < $len; ++$i) {
+ $ord = ord($txt[$i]);
+ if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord === 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
+ $line .= $txt[$i];
+ } else {
+ $line .= '=' . sprintf('%02X', $ord);
+ }
+ }
+
+ return $line;
+ }
+
+ /**
+ * Generate a DKIM signature.
+ *
+ * @param string $signHeader
+ *
+ * @throws Exception
+ *
+ * @return string The DKIM signature value
+ */
+ public function DKIM_Sign($signHeader)
+ {
+ if (!defined('PKCS7_TEXT')) {
+ if ($this->exceptions) {
+ throw new Exception($this->lang('extension_missing') . 'openssl');
+ }
+
+ return '';
+ }
+ $privKeyStr = !empty($this->DKIM_private_string) ?
+ $this->DKIM_private_string :
+ file_get_contents($this->DKIM_private);
+ if ('' !== $this->DKIM_passphrase) {
+ $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
+ } else {
+ $privKey = openssl_pkey_get_private($privKeyStr);
+ }
+ if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
+ openssl_pkey_free($privKey);
+
+ return base64_encode($signature);
+ }
+ openssl_pkey_free($privKey);
+
+ return '';
+ }
+
+ /**
+ * Generate a DKIM canonicalization header.
+ * Uses the 'relaxed' algorithm from RFC6376 section 3.4.2.
+ * Canonicalized headers should *always* use CRLF, regardless of mailer setting.
+ *
+ * @see https://tools.ietf.org/html/rfc6376#section-3.4.2
+ *
+ * @param string $signHeader Header
+ *
+ * @return string
+ */
+ public function DKIM_HeaderC($signHeader)
+ {
+ //Normalize breaks to CRLF (regardless of the mailer)
+ $signHeader = static::normalizeBreaks($signHeader, self::CRLF);
+ //Unfold header lines
+ //Note PCRE \s is too broad a definition of whitespace; RFC5322 defines it as `[ \t]`
+ //@see https://tools.ietf.org/html/rfc5322#section-2.2
+ //That means this may break if you do something daft like put vertical tabs in your headers.
+ $signHeader = preg_replace('/\r\n[ \t]+/', ' ', $signHeader);
+ //Break headers out into an array
+ $lines = explode(self::CRLF, $signHeader);
+ foreach ($lines as $key => $line) {
+ //If the header is missing a :, skip it as it's invalid
+ //This is likely to happen because the explode() above will also split
+ //on the trailing LE, leaving an empty line
+ if (strpos($line, ':') === false) {
+ continue;
+ }
+ list($heading, $value) = explode(':', $line, 2);
+ //Lower-case header name
+ $heading = strtolower($heading);
+ //Collapse white space within the value, also convert WSP to space
+ $value = preg_replace('/[ \t]+/', ' ', $value);
+ //RFC6376 is slightly unclear here - it says to delete space at the *end* of each value
+ //But then says to delete space before and after the colon.
+ //Net result is the same as trimming both ends of the value.
+ //By elimination, the same applies to the field name
+ $lines[$key] = trim($heading, " \t") . ':' . trim($value, " \t");
+ }
+
+ return implode(self::CRLF, $lines);
+ }
+
+ /**
+ * Generate a DKIM canonicalization body.
+ * Uses the 'simple' algorithm from RFC6376 section 3.4.3.
+ * Canonicalized bodies should *always* use CRLF, regardless of mailer setting.
+ *
+ * @see https://tools.ietf.org/html/rfc6376#section-3.4.3
+ *
+ * @param string $body Message Body
+ *
+ * @return string
+ */
+ public function DKIM_BodyC($body)
+ {
+ if (empty($body)) {
+ return self::CRLF;
+ }
+ // Normalize line endings to CRLF
+ $body = static::normalizeBreaks($body, self::CRLF);
+
+ //Reduce multiple trailing line breaks to a single one
+ return static::stripTrailingWSP($body) . self::CRLF;
+ }
+
+ /**
+ * Create the DKIM header and body in a new message header.
+ *
+ * @param string $headers_line Header lines
+ * @param string $subject Subject
+ * @param string $body Body
+ *
+ * @throws Exception
+ *
+ * @return string
+ */
+ public function DKIM_Add($headers_line, $subject, $body)
+ {
+ $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
+ $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization methods of header & body
+ $DKIMquery = 'dns/txt'; // Query method
+ $DKIMtime = time();
+ //Always sign these headers without being asked
+ //Recommended list from https://tools.ietf.org/html/rfc6376#section-5.4.1
+ $autoSignHeaders = [
+ 'from',
+ 'to',
+ 'cc',
+ 'date',
+ 'subject',
+ 'reply-to',
+ 'message-id',
+ 'content-type',
+ 'mime-version',
+ 'x-mailer',
+ ];
+ if (stripos($headers_line, 'Subject') === false) {
+ $headers_line .= 'Subject: ' . $subject . static::$LE;
+ }
+ $headerLines = explode(static::$LE, $headers_line);
+ $currentHeaderLabel = '';
+ $currentHeaderValue = '';
+ $parsedHeaders = [];
+ $headerLineIndex = 0;
+ $headerLineCount = count($headerLines);
+ foreach ($headerLines as $headerLine) {
+ $matches = [];
+ if (preg_match('/^([^ \t]*?)(?::[ \t]*)(.*)$/', $headerLine, $matches)) {
+ if ($currentHeaderLabel !== '') {
+ //We were previously in another header; This is the start of a new header, so save the previous one
+ $parsedHeaders[] = ['label' => $currentHeaderLabel, 'value' => $currentHeaderValue];
+ }
+ $currentHeaderLabel = $matches[1];
+ $currentHeaderValue = $matches[2];
+ } elseif (preg_match('/^[ \t]+(.*)$/', $headerLine, $matches)) {
+ //This is a folded continuation of the current header, so unfold it
+ $currentHeaderValue .= ' ' . $matches[1];
+ }
+ ++$headerLineIndex;
+ if ($headerLineIndex >= $headerLineCount) {
+ //This was the last line, so finish off this header
+ $parsedHeaders[] = ['label' => $currentHeaderLabel, 'value' => $currentHeaderValue];
+ }
+ }
+ $copiedHeaders = [];
+ $headersToSignKeys = [];
+ $headersToSign = [];
+ foreach ($parsedHeaders as $header) {
+ //Is this header one that must be included in the DKIM signature?
+ if (in_array(strtolower($header['label']), $autoSignHeaders, true)) {
+ $headersToSignKeys[] = $header['label'];
+ $headersToSign[] = $header['label'] . ': ' . $header['value'];
+ if ($this->DKIM_copyHeaderFields) {
+ $copiedHeaders[] = $header['label'] . ':' . //Note no space after this, as per RFC
+ str_replace('|', '=7C', $this->DKIM_QP($header['value']));
+ }
+ continue;
+ }
+ //Is this an extra custom header we've been asked to sign?
+ if (in_array($header['label'], $this->DKIM_extraHeaders, true)) {
+ //Find its value in custom headers
+ foreach ($this->CustomHeader as $customHeader) {
+ if ($customHeader[0] === $header['label']) {
+ $headersToSignKeys[] = $header['label'];
+ $headersToSign[] = $header['label'] . ': ' . $header['value'];
+ if ($this->DKIM_copyHeaderFields) {
+ $copiedHeaders[] = $header['label'] . ':' . //Note no space after this, as per RFC
+ str_replace('|', '=7C', $this->DKIM_QP($header['value']));
+ }
+ //Skip straight to the next header
+ continue 2;
+ }
+ }
+ }
+ }
+ $copiedHeaderFields = '';
+ if ($this->DKIM_copyHeaderFields && count($copiedHeaders) > 0) {
+ //Assemble a DKIM 'z' tag
+ $copiedHeaderFields = ' z=';
+ $first = true;
+ foreach ($copiedHeaders as $copiedHeader) {
+ if (!$first) {
+ $copiedHeaderFields .= static::$LE . ' |';
+ }
+ //Fold long values
+ if (strlen($copiedHeader) > self::STD_LINE_LENGTH - 3) {
+ $copiedHeaderFields .= substr(
+ chunk_split($copiedHeader, self::STD_LINE_LENGTH - 3, static::$LE . self::FWS),
+ 0,
+ -strlen(static::$LE . self::FWS)
+ );
+ } else {
+ $copiedHeaderFields .= $copiedHeader;
+ }
+ $first = false;
+ }
+ $copiedHeaderFields .= ';' . static::$LE;
+ }
+ $headerKeys = ' h=' . implode(':', $headersToSignKeys) . ';' . static::$LE;
+ $headerValues = implode(static::$LE, $headersToSign);
+ $body = $this->DKIM_BodyC($body);
+ $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
+ $ident = '';
+ if ('' !== $this->DKIM_identity) {
+ $ident = ' i=' . $this->DKIM_identity . ';' . static::$LE;
+ }
+ //The DKIM-Signature header is included in the signature *except for* the value of the `b` tag
+ //which is appended after calculating the signature
+ //https://tools.ietf.org/html/rfc6376#section-3.5
+ $dkimSignatureHeader = 'DKIM-Signature: v=1;' .
+ ' d=' . $this->DKIM_domain . ';' .
+ ' s=' . $this->DKIM_selector . ';' . static::$LE .
+ ' a=' . $DKIMsignatureType . ';' .
+ ' q=' . $DKIMquery . ';' .
+ ' t=' . $DKIMtime . ';' .
+ ' c=' . $DKIMcanonicalization . ';' . static::$LE .
+ $headerKeys .
+ $ident .
+ $copiedHeaderFields .
+ ' bh=' . $DKIMb64 . ';' . static::$LE .
+ ' b=';
+ //Canonicalize the set of headers
+ $canonicalizedHeaders = $this->DKIM_HeaderC(
+ $headerValues . static::$LE . $dkimSignatureHeader
+ );
+ $signature = $this->DKIM_Sign($canonicalizedHeaders);
+ $signature = trim(chunk_split($signature, self::STD_LINE_LENGTH - 3, static::$LE . self::FWS));
+
+ return static::normalizeBreaks($dkimSignatureHeader . $signature);
+ }
+
+ /**
+ * Detect if a string contains a line longer than the maximum line length
+ * allowed by RFC 2822 section 2.1.1.
+ *
+ * @param string $str
+ *
+ * @return bool
+ */
+ public static function hasLineLongerThanMax($str)
+ {
+ return (bool) preg_match('/^(.{' . (self::MAX_LINE_LENGTH + strlen(static::$LE)) . ',})/m', $str);
+ }
+
+ /**
+ * If a string contains any "special" characters, double-quote the name,
+ * and escape any double quotes with a backslash.
+ *
+ * @param string $str
+ *
+ * @return string
+ *
+ * @see RFC822 3.4.1
+ */
+ public static function quotedString($str)
+ {
+ if (preg_match('/[ ()<>@,;:"\/\[\]?=]/', $str)) {
+ //If the string contains any of these chars, it must be double-quoted
+ //and any double quotes must be escaped with a backslash
+ return '"' . str_replace('"', '\\"', $str) . '"';
+ }
+
+ //Return the string untouched, it doesn't need quoting
+ return $str;
+ }
+
+ /**
+ * Allows for public read access to 'to' property.
+ * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+ *
+ * @return array
+ */
+ public function getToAddresses()
+ {
+ return $this->to;
+ }
+
+ /**
+ * Allows for public read access to 'cc' property.
+ * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+ *
+ * @return array
+ */
+ public function getCcAddresses()
+ {
+ return $this->cc;
+ }
+
+ /**
+ * Allows for public read access to 'bcc' property.
+ * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+ *
+ * @return array
+ */
+ public function getBccAddresses()
+ {
+ return $this->bcc;
+ }
+
+ /**
+ * Allows for public read access to 'ReplyTo' property.
+ * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+ *
+ * @return array
+ */
+ public function getReplyToAddresses()
+ {
+ return $this->ReplyTo;
+ }
+
+ /**
+ * Allows for public read access to 'all_recipients' property.
+ * Before the send() call, queued addresses (i.e. with IDN) are not yet included.
+ *
+ * @return array
+ */
+ public function getAllRecipientAddresses()
+ {
+ return $this->all_recipients;
+ }
+
+ /**
+ * Perform a callback.
+ *
+ * @param bool $isSent
+ * @param array $to
+ * @param array $cc
+ * @param array $bcc
+ * @param string $subject
+ * @param string $body
+ * @param string $from
+ * @param array $extra
+ */
+ protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from, $extra)
+ {
+ if (!empty($this->action_function) && is_callable($this->action_function)) {
+ call_user_func($this->action_function, $isSent, $to, $cc, $bcc, $subject, $body, $from, $extra);
+ }
+ }
+
+ /**
+ * Get the OAuth instance.
+ *
+ * @return OAuth
+ */
+ public function getOAuth()
+ {
+ return $this->oauth;
+ }
+
+ /**
+ * Set an OAuth instance.
+ */
+ public function setOAuth(OAuth $oauth)
+ {
+ $this->oauth = $oauth;
+ }
+}
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: trunk/src/wp-includes/PHPMailer/PHPMailer.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: svn:eol-style</h4></div>
<ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+native
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="trunksrcwpincludesPHPMailerSMTPphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: trunk/src/wp-includes/PHPMailer/SMTP.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/PHPMailer/SMTP.php (rev 0)
+++ trunk/src/wp-includes/PHPMailer/SMTP.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,1371 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * PHPMailer RFC821 SMTP email transport class.
+ * PHP Version 5.5.
+ *
+ * @see https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
+ *
+ * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
+ * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
+ * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
+ * @author Brent R. Matzelle (original founder)
+ * @copyright 2012 - 2019 Marcus Bointon
+ * @copyright 2010 - 2012 Jim Jagielski
+ * @copyright 2004 - 2009 Andy Prevost
+ * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
+ * @note This program is distributed in the hope that it will be useful - WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+namespace PHPMailer\PHPMailer;
+
+/**
+ * PHPMailer RFC821 SMTP email transport class.
+ * Implements RFC 821 SMTP commands and provides some utility methods for sending mail to an SMTP server.
+ *
+ * @author Chris Ryan
+ * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
+ */
+class SMTP
+{
+ /**
+ * The PHPMailer SMTP version number.
+ *
+ * @var string
+ */
+ const VERSION = '6.1.6';
+
+ /**
+ * SMTP line break constant.
+ *
+ * @var string
+ */
+ const LE = "\r\n";
+
+ /**
+ * The SMTP port to use if one is not specified.
+ *
+ * @var int
+ */
+ const DEFAULT_PORT = 25;
+
+ /**
+ * The maximum line length allowed by RFC 5321 section 4.5.3.1.6,
+ * *excluding* a trailing CRLF break.
+ *
+ * @see https://tools.ietf.org/html/rfc5321#section-4.5.3.1.6
+ *
+ * @var int
+ */
+ const MAX_LINE_LENGTH = 998;
+
+ /**
+ * The maximum line length allowed for replies in RFC 5321 section 4.5.3.1.5,
+ * *including* a trailing CRLF line break.
+ *
+ * @see https://tools.ietf.org/html/rfc5321#section-4.5.3.1.5
+ *
+ * @var int
+ */
+ const MAX_REPLY_LENGTH = 512;
+
+ /**
+ * Debug level for no output.
+ *
+ * @var int
+ */
+ const DEBUG_OFF = 0;
+
+ /**
+ * Debug level to show client -> server messages.
+ *
+ * @var int
+ */
+ const DEBUG_CLIENT = 1;
+
+ /**
+ * Debug level to show client -> server and server -> client messages.
+ *
+ * @var int
+ */
+ const DEBUG_SERVER = 2;
+
+ /**
+ * Debug level to show connection status, client -> server and server -> client messages.
+ *
+ * @var int
+ */
+ const DEBUG_CONNECTION = 3;
+
+ /**
+ * Debug level to show all messages.
+ *
+ * @var int
+ */
+ const DEBUG_LOWLEVEL = 4;
+
+ /**
+ * Debug output level.
+ * Options:
+ * * self::DEBUG_OFF (`0`) No debug output, default
+ * * self::DEBUG_CLIENT (`1`) Client commands
+ * * self::DEBUG_SERVER (`2`) Client commands and server responses
+ * * self::DEBUG_CONNECTION (`3`) As DEBUG_SERVER plus connection status
+ * * self::DEBUG_LOWLEVEL (`4`) Low-level data output, all messages.
+ *
+ * @var int
+ */
+ public $do_debug = self::DEBUG_OFF;
+
+ /**
+ * How to handle debug output.
+ * Options:
+ * * `echo` Output plain-text as-is, appropriate for CLI
+ * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
+ * * `error_log` Output to error log as configured in php.ini
+ * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
+ *
+ * ```php
+ * $smtp->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
+ * ```
+ *
+ * Alternatively, you can pass in an instance of a PSR-3 compatible logger, though only `debug`
+ * level output is used:
+ *
+ * ```php
+ * $mail->Debugoutput = new myPsr3Logger;
+ * ```
+ *
+ * @var string|callable|\Psr\Log\LoggerInterface
+ */
+ public $Debugoutput = 'echo';
+
+ /**
+ * Whether to use VERP.
+ *
+ * @see http://en.wikipedia.org/wiki/Variable_envelope_return_path
+ * @see http://www.postfix.org/VERP_README.html Info on VERP
+ *
+ * @var bool
+ */
+ public $do_verp = false;
+
+ /**
+ * The timeout value for connection, in seconds.
+ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2.
+ * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure.
+ *
+ * @see http://tools.ietf.org/html/rfc2821#section-4.5.3.2
+ *
+ * @var int
+ */
+ public $Timeout = 300;
+
+ /**
+ * How long to wait for commands to complete, in seconds.
+ * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2.
+ *
+ * @var int
+ */
+ public $Timelimit = 300;
+
+ /**
+ * Patterns to extract an SMTP transaction id from reply to a DATA command.
+ * The first capture group in each regex will be used as the ID.
+ * MS ESMTP returns the message ID, which may not be correct for internal tracking.
+ *
+ * @var string[]
+ */
+ protected $smtp_transaction_id_patterns = [
+ 'exim' => '/[\d]{3} OK id=(.*)/',
+ 'sendmail' => '/[\d]{3} 2.0.0 (.*) Message/',
+ 'postfix' => '/[\d]{3} 2.0.0 Ok: queued as (.*)/',
+ 'Microsoft_ESMTP' => '/[0-9]{3} 2.[\d].0 (.*)@(?:.*) Queued mail for delivery/',
+ 'Amazon_SES' => '/[\d]{3} Ok (.*)/',
+ 'SendGrid' => '/[\d]{3} Ok: queued as (.*)/',
+ 'CampaignMonitor' => '/[\d]{3} 2.0.0 OK:([a-zA-Z\d]{48})/',
+ ];
+
+ /**
+ * The last transaction ID issued in response to a DATA command,
+ * if one was detected.
+ *
+ * @var string|bool|null
+ */
+ protected $last_smtp_transaction_id;
+
+ /**
+ * The socket for the server connection.
+ *
+ * @var ?resource
+ */
+ protected $smtp_conn;
+
+ /**
+ * Error information, if any, for the last SMTP command.
+ *
+ * @var array
+ */
+ protected $error = [
+ 'error' => '',
+ 'detail' => '',
+ 'smtp_code' => '',
+ 'smtp_code_ex' => '',
+ ];
+
+ /**
+ * The reply the server sent to us for HELO.
+ * If null, no HELO string has yet been received.
+ *
+ * @var string|null
+ */
+ protected $helo_rply;
+
+ /**
+ * The set of SMTP extensions sent in reply to EHLO command.
+ * Indexes of the array are extension names.
+ * Value at index 'HELO' or 'EHLO' (according to command that was sent)
+ * represents the server name. In case of HELO it is the only element of the array.
+ * Other values can be boolean TRUE or an array containing extension options.
+ * If null, no HELO/EHLO string has yet been received.
+ *
+ * @var array|null
+ */
+ protected $server_caps;
+
+ /**
+ * The most recent reply received from the server.
+ *
+ * @var string
+ */
+ protected $last_reply = '';
+
+ /**
+ * Output debugging info via a user-selected method.
+ *
+ * @param string $str Debug string to output
+ * @param int $level The debug level of this message; see DEBUG_* constants
+ *
+ * @see SMTP::$Debugoutput
+ * @see SMTP::$do_debug
+ */
+ protected function edebug($str, $level = 0)
+ {
+ if ($level > $this->do_debug) {
+ return;
+ }
+ //Is this a PSR-3 logger?
+ if ($this->Debugoutput instanceof \Psr\Log\LoggerInterface) {
+ $this->Debugoutput->debug($str);
+
+ return;
+ }
+ //Avoid clash with built-in function names
+ if (is_callable($this->Debugoutput) && !in_array($this->Debugoutput, ['error_log', 'html', 'echo'])) {
+ call_user_func($this->Debugoutput, $str, $level);
+
+ return;
+ }
+ switch ($this->Debugoutput) {
+ case 'error_log':
+ //Don't output, just log
+ error_log($str);
+ break;
+ case 'html':
+ //Cleans up output a bit for a better looking, HTML-safe output
+ echo gmdate('Y-m-d H:i:s'), ' ', htmlentities(
+ preg_replace('/[\r\n]+/', '', $str),
+ ENT_QUOTES,
+ 'UTF-8'
+ ), "<br>\n";
+ break;
+ case 'echo':
+ default:
+ //Normalize line breaks
+ $str = preg_replace('/\r\n|\r/m', "\n", $str);
+ echo gmdate('Y-m-d H:i:s'),
+ "\t",
+ //Trim trailing space
+ trim(
+ //Indent for readability, except for trailing break
+ str_replace(
+ "\n",
+ "\n \t ",
+ trim($str)
+ )
+ ),
+ "\n";
+ }
+ }
+
+ /**
+ * Connect to an SMTP server.
+ *
+ * @param string $host SMTP server IP or host name
+ * @param int $port The port number to connect to
+ * @param int $timeout How long to wait for the connection to open
+ * @param array $options An array of options for stream_context_create()
+ *
+ * @return bool
+ */
+ public function connect($host, $port = null, $timeout = 30, $options = [])
+ {
+ static $streamok;
+ //This is enabled by default since 5.0.0 but some providers disable it
+ //Check this once and cache the result
+ if (null === $streamok) {
+ $streamok = function_exists('stream_socket_client');
+ }
+ // Clear errors to avoid confusion
+ $this->setError('');
+ // Make sure we are __not__ connected
+ if ($this->connected()) {
+ // Already connected, generate error
+ $this->setError('Already connected to a server');
+
+ return false;
+ }
+ if (empty($port)) {
+ $port = self::DEFAULT_PORT;
+ }
+ // Connect to the SMTP server
+ $this->edebug(
+ "Connection: opening to $host:$port, timeout=$timeout, options=" .
+ (count($options) > 0 ? var_export($options, true) : 'array()'),
+ self::DEBUG_CONNECTION
+ );
+ $errno = 0;
+ $errstr = '';
+ if ($streamok) {
+ $socket_context = stream_context_create($options);
+ set_error_handler([$this, 'errorHandler']);
+ $this->smtp_conn = stream_socket_client(
+ $host . ':' . $port,
+ $errno,
+ $errstr,
+ $timeout,
+ STREAM_CLIENT_CONNECT,
+ $socket_context
+ );
+ restore_error_handler();
+ } else {
+ //Fall back to fsockopen which should work in more places, but is missing some features
+ $this->edebug(
+ 'Connection: stream_socket_client not available, falling back to fsockopen',
+ self::DEBUG_CONNECTION
+ );
+ set_error_handler([$this, 'errorHandler']);
+ $this->smtp_conn = fsockopen(
+ $host,
+ $port,
+ $errno,
+ $errstr,
+ $timeout
+ );
+ restore_error_handler();
+ }
+ // Verify we connected properly
+ if (!is_resource($this->smtp_conn)) {
+ $this->setError(
+ 'Failed to connect to server',
+ '',
+ (string) $errno,
+ $errstr
+ );
+ $this->edebug(
+ 'SMTP ERROR: ' . $this->error['error']
+ . ": $errstr ($errno)",
+ self::DEBUG_CLIENT
+ );
+
+ return false;
+ }
+ $this->edebug('Connection: opened', self::DEBUG_CONNECTION);
+ // SMTP server can take longer to respond, give longer timeout for first read
+ // Windows does not have support for this timeout function
+ if (strpos(PHP_OS, 'WIN') !== 0) {
+ $max = (int) ini_get('max_execution_time');
+ // Don't bother if unlimited
+ if (0 !== $max && $timeout > $max) {
+ @set_time_limit($timeout);
+ }
+ stream_set_timeout($this->smtp_conn, $timeout, 0);
+ }
+ // Get any announcement
+ $announce = $this->get_lines();
+ $this->edebug('SERVER -> CLIENT: ' . $announce, self::DEBUG_SERVER);
+
+ return true;
+ }
+
+ /**
+ * Initiate a TLS (encrypted) session.
+ *
+ * @return bool
+ */
+ public function startTLS()
+ {
+ if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
+ return false;
+ }
+
+ //Allow the best TLS version(s) we can
+ $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;
+
+ //PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
+ //so add them back in manually if we can
+ if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
+ $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
+ $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
+ }
+
+ // Begin encrypted connection
+ set_error_handler([$this, 'errorHandler']);
+ $crypto_ok = stream_socket_enable_crypto(
+ $this->smtp_conn,
+ true,
+ $crypto_method
+ );
+ restore_error_handler();
+
+ return (bool) $crypto_ok;
+ }
+
+ /**
+ * Perform SMTP authentication.
+ * Must be run after hello().
+ *
+ * @see hello()
+ *
+ * @param string $username The user name
+ * @param string $password The password
+ * @param string $authtype The auth type (CRAM-MD5, PLAIN, LOGIN, XOAUTH2)
+ * @param OAuth $OAuth An optional OAuth instance for XOAUTH2 authentication
+ *
+ * @return bool True if successfully authenticated
+ */
+ public function authenticate(
+ $username,
+ $password,
+ $authtype = null,
+ $OAuth = null
+ ) {
+ if (!$this->server_caps) {
+ $this->setError('Authentication is not allowed before HELO/EHLO');
+
+ return false;
+ }
+
+ if (array_key_exists('EHLO', $this->server_caps)) {
+ // SMTP extensions are available; try to find a proper authentication method
+ if (!array_key_exists('AUTH', $this->server_caps)) {
+ $this->setError('Authentication is not allowed at this stage');
+ // 'at this stage' means that auth may be allowed after the stage changes
+ // e.g. after STARTTLS
+
+ return false;
+ }
+
+ $this->edebug('Auth method requested: ' . ($authtype ?: 'UNSPECIFIED'), self::DEBUG_LOWLEVEL);
+ $this->edebug(
+ 'Auth methods available on the server: ' . implode(',', $this->server_caps['AUTH']),
+ self::DEBUG_LOWLEVEL
+ );
+
+ //If we have requested a specific auth type, check the server supports it before trying others
+ if (null !== $authtype && !in_array($authtype, $this->server_caps['AUTH'], true)) {
+ $this->edebug('Requested auth method not available: ' . $authtype, self::DEBUG_LOWLEVEL);
+ $authtype = null;
+ }
+
+ if (empty($authtype)) {
+ //If no auth mechanism is specified, attempt to use these, in this order
+ //Try CRAM-MD5 first as it's more secure than the others
+ foreach (['CRAM-MD5', 'LOGIN', 'PLAIN', 'XOAUTH2'] as $method) {
+ if (in_array($method, $this->server_caps['AUTH'], true)) {
+ $authtype = $method;
+ break;
+ }
+ }
+ if (empty($authtype)) {
+ $this->setError('No supported authentication methods found');
+
+ return false;
+ }
+ $this->edebug('Auth method selected: ' . $authtype, self::DEBUG_LOWLEVEL);
+ }
+
+ if (!in_array($authtype, $this->server_caps['AUTH'], true)) {
+ $this->setError("The requested authentication method \"$authtype\" is not supported by the server");
+
+ return false;
+ }
+ } elseif (empty($authtype)) {
+ $authtype = 'LOGIN';
+ }
+ switch ($authtype) {
+ case 'PLAIN':
+ // Start authentication
+ if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
+ return false;
+ }
+ // Send encoded username and password
+ if (!$this->sendCommand(
+ 'User & Password',
+ base64_encode("\0" . $username . "\0" . $password),
+ 235
+ )
+ ) {
+ return false;
+ }
+ break;
+ case 'LOGIN':
+ // Start authentication
+ if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
+ return false;
+ }
+ if (!$this->sendCommand('Username', base64_encode($username), 334)) {
+ return false;
+ }
+ if (!$this->sendCommand('Password', base64_encode($password), 235)) {
+ return false;
+ }
+ break;
+ case 'CRAM-MD5':
+ // Start authentication
+ if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
+ return false;
+ }
+ // Get the challenge
+ $challenge = base64_decode(substr($this->last_reply, 4));
+
+ // Build the response
+ $response = $username . ' ' . $this->hmac($challenge, $password);
+
+ // send encoded credentials
+ return $this->sendCommand('Username', base64_encode($response), 235);
+ case 'XOAUTH2':
+ //The OAuth instance must be set up prior to requesting auth.
+ if (null === $OAuth) {
+ return false;
+ }
+ $oauth = $OAuth->getOauth64();
+
+ // Start authentication
+ if (!$this->sendCommand('AUTH', 'AUTH XOAUTH2 ' . $oauth, 235)) {
+ return false;
+ }
+ break;
+ default:
+ $this->setError("Authentication method \"$authtype\" is not supported");
+
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Calculate an MD5 HMAC hash.
+ * Works like hash_hmac('md5', $data, $key)
+ * in case that function is not available.
+ *
+ * @param string $data The data to hash
+ * @param string $key The key to hash with
+ *
+ * @return string
+ */
+ protected function hmac($data, $key)
+ {
+ if (function_exists('hash_hmac')) {
+ return hash_hmac('md5', $data, $key);
+ }
+
+ // The following borrowed from
+ // http://php.net/manual/en/function.mhash.php#27225
+
+ // RFC 2104 HMAC implementation for php.
+ // Creates an md5 HMAC.
+ // Eliminates the need to install mhash to compute a HMAC
+ // by Lance Rushing
+
+ $bytelen = 64; // byte length for md5
+ if (strlen($key) > $bytelen) {
+ $key = pack('H*', md5($key));
+ }
+ $key = str_pad($key, $bytelen, chr(0x00));
+ $ipad = str_pad('', $bytelen, chr(0x36));
+ $opad = str_pad('', $bytelen, chr(0x5c));
+ $k_ipad = $key ^ $ipad;
+ $k_opad = $key ^ $opad;
+
+ return md5($k_opad . pack('H*', md5($k_ipad . $data)));
+ }
+
+ /**
+ * Check connection state.
+ *
+ * @return bool True if connected
+ */
+ public function connected()
+ {
+ if (is_resource($this->smtp_conn)) {
+ $sock_status = stream_get_meta_data($this->smtp_conn);
+ if ($sock_status['eof']) {
+ // The socket is valid but we are not connected
+ $this->edebug(
+ 'SMTP NOTICE: EOF caught while checking if connected',
+ self::DEBUG_CLIENT
+ );
+ $this->close();
+
+ return false;
+ }
+
+ return true; // everything looks good
+ }
+
+ return false;
+ }
+
+ /**
+ * Close the socket and clean up the state of the class.
+ * Don't use this function without first trying to use QUIT.
+ *
+ * @see quit()
+ */
+ public function close()
+ {
+ $this->setError('');
+ $this->server_caps = null;
+ $this->helo_rply = null;
+ if (is_resource($this->smtp_conn)) {
+ // close the connection and cleanup
+ fclose($this->smtp_conn);
+ $this->smtp_conn = null; //Makes for cleaner serialization
+ $this->edebug('Connection: closed', self::DEBUG_CONNECTION);
+ }
+ }
+
+ /**
+ * Send an SMTP DATA command.
+ * Issues a data command and sends the msg_data to the server,
+ * finializing the mail transaction. $msg_data is the message
+ * that is to be send with the headers. Each header needs to be
+ * on a single line followed by a <CRLF> with the message headers
+ * and the message body being separated by an additional <CRLF>.
+ * Implements RFC 821: DATA <CRLF>.
+ *
+ * @param string $msg_data Message data to send
+ *
+ * @return bool
+ */
+ public function data($msg_data)
+ {
+ //This will use the standard timelimit
+ if (!$this->sendCommand('DATA', 'DATA', 354)) {
+ return false;
+ }
+
+ /* The server is ready to accept data!
+ * According to rfc821 we should not send more than 1000 characters on a single line (including the LE)
+ * so we will break the data up into lines by \r and/or \n then if needed we will break each of those into
+ * smaller lines to fit within the limit.
+ * We will also look for lines that start with a '.' and prepend an additional '.'.
+ * NOTE: this does not count towards line-length limit.
+ */
+
+ // Normalize line breaks before exploding
+ $lines = explode("\n", str_replace(["\r\n", "\r"], "\n", $msg_data));
+
+ /* To distinguish between a complete RFC822 message and a plain message body, we check if the first field
+ * of the first line (':' separated) does not contain a space then it _should_ be a header and we will
+ * process all lines before a blank line as headers.
+ */
+
+ $field = substr($lines[0], 0, strpos($lines[0], ':'));
+ $in_headers = false;
+ if (!empty($field) && strpos($field, ' ') === false) {
+ $in_headers = true;
+ }
+
+ foreach ($lines as $line) {
+ $lines_out = [];
+ if ($in_headers && $line === '') {
+ $in_headers = false;
+ }
+ //Break this line up into several smaller lines if it's too long
+ //Micro-optimisation: isset($str[$len]) is faster than (strlen($str) > $len),
+ while (isset($line[self::MAX_LINE_LENGTH])) {
+ //Working backwards, try to find a space within the last MAX_LINE_LENGTH chars of the line to break on
+ //so as to avoid breaking in the middle of a word
+ $pos = strrpos(substr($line, 0, self::MAX_LINE_LENGTH), ' ');
+ //Deliberately matches both false and 0
+ if (!$pos) {
+ //No nice break found, add a hard break
+ $pos = self::MAX_LINE_LENGTH - 1;
+ $lines_out[] = substr($line, 0, $pos);
+ $line = substr($line, $pos);
+ } else {
+ //Break at the found point
+ $lines_out[] = substr($line, 0, $pos);
+ //Move along by the amount we dealt with
+ $line = substr($line, $pos + 1);
+ }
+ //If processing headers add a LWSP-char to the front of new line RFC822 section 3.1.1
+ if ($in_headers) {
+ $line = "\t" . $line;
+ }
+ }
+ $lines_out[] = $line;
+
+ //Send the lines to the server
+ foreach ($lines_out as $line_out) {
+ //RFC2821 section 4.5.2
+ if (!empty($line_out) && $line_out[0] === '.') {
+ $line_out = '.' . $line_out;
+ }
+ $this->client_send($line_out . static::LE, 'DATA');
+ }
+ }
+
+ //Message data has been sent, complete the command
+ //Increase timelimit for end of DATA command
+ $savetimelimit = $this->Timelimit;
+ $this->Timelimit *= 2;
+ $result = $this->sendCommand('DATA END', '.', 250);
+ $this->recordLastTransactionID();
+ //Restore timelimit
+ $this->Timelimit = $savetimelimit;
+
+ return $result;
+ }
+
+ /**
+ * Send an SMTP HELO or EHLO command.
+ * Used to identify the sending server to the receiving server.
+ * This makes sure that client and server are in a known state.
+ * Implements RFC 821: HELO <SP> <domain> <CRLF>
+ * and RFC 2821 EHLO.
+ *
+ * @param string $host The host name or IP to connect to
+ *
+ * @return bool
+ */
+ public function hello($host = '')
+ {
+ //Try extended hello first (RFC 2821)
+ return $this->sendHello('EHLO', $host) or $this->sendHello('HELO', $host);
+ }
+
+ /**
+ * Send an SMTP HELO or EHLO command.
+ * Low-level implementation used by hello().
+ *
+ * @param string $hello The HELO string
+ * @param string $host The hostname to say we are
+ *
+ * @return bool
+ *
+ * @see hello()
+ */
+ protected function sendHello($hello, $host)
+ {
+ $noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
+ $this->helo_rply = $this->last_reply;
+ if ($noerror) {
+ $this->parseHelloFields($hello);
+ } else {
+ $this->server_caps = null;
+ }
+
+ return $noerror;
+ }
+
+ /**
+ * Parse a reply to HELO/EHLO command to discover server extensions.
+ * In case of HELO, the only parameter that can be discovered is a server name.
+ *
+ * @param string $type `HELO` or `EHLO`
+ */
+ protected function parseHelloFields($type)
+ {
+ $this->server_caps = [];
+ $lines = explode("\n", $this->helo_rply);
+
+ foreach ($lines as $n => $s) {
+ //First 4 chars contain response code followed by - or space
+ $s = trim(substr($s, 4));
+ if (empty($s)) {
+ continue;
+ }
+ $fields = explode(' ', $s);
+ if (!empty($fields)) {
+ if (!$n) {
+ $name = $type;
+ $fields = $fields[0];
+ } else {
+ $name = array_shift($fields);
+ switch ($name) {
+ case 'SIZE':
+ $fields = ($fields ? $fields[0] : 0);
+ break;
+ case 'AUTH':
+ if (!is_array($fields)) {
+ $fields = [];
+ }
+ break;
+ default:
+ $fields = true;
+ }
+ }
+ $this->server_caps[$name] = $fields;
+ }
+ }
+ }
+
+ /**
+ * Send an SMTP MAIL command.
+ * Starts a mail transaction from the email address specified in
+ * $from. Returns true if successful or false otherwise. If True
+ * the mail transaction is started and then one or more recipient
+ * commands may be called followed by a data command.
+ * Implements RFC 821: MAIL <SP> FROM:<reverse-path> <CRLF>.
+ *
+ * @param string $from Source address of this message
+ *
+ * @return bool
+ */
+ public function mail($from)
+ {
+ $useVerp = ($this->do_verp ? ' XVERP' : '');
+
+ return $this->sendCommand(
+ 'MAIL FROM',
+ 'MAIL FROM:<' . $from . '>' . $useVerp,
+ 250
+ );
+ }
+
+ /**
+ * Send an SMTP QUIT command.
+ * Closes the socket if there is no error or the $close_on_error argument is true.
+ * Implements from RFC 821: QUIT <CRLF>.
+ *
+ * @param bool $close_on_error Should the connection close if an error occurs?
+ *
+ * @return bool
+ */
+ public function quit($close_on_error = true)
+ {
+ $noerror = $this->sendCommand('QUIT', 'QUIT', 221);
+ $err = $this->error; //Save any error
+ if ($noerror || $close_on_error) {
+ $this->close();
+ $this->error = $err; //Restore any error from the quit command
+ }
+
+ return $noerror;
+ }
+
+ /**
+ * Send an SMTP RCPT command.
+ * Sets the TO argument to $toaddr.
+ * Returns true if the recipient was accepted false if it was rejected.
+ * Implements from RFC 821: RCPT <SP> TO:<forward-path> <CRLF>.
+ *
+ * @param string $address The address the message is being sent to
+ * @param string $dsn Comma separated list of DSN notifications. NEVER, SUCCESS, FAILURE
+ * or DELAY. If you specify NEVER all other notifications are ignored.
+ *
+ * @return bool
+ */
+ public function recipient($address, $dsn = '')
+ {
+ if (empty($dsn)) {
+ $rcpt = 'RCPT TO:<' . $address . '>';
+ } else {
+ $dsn = strtoupper($dsn);
+ $notify = [];
+
+ if (strpos($dsn, 'NEVER') !== false) {
+ $notify[] = 'NEVER';
+ } else {
+ foreach (['SUCCESS', 'FAILURE', 'DELAY'] as $value) {
+ if (strpos($dsn, $value) !== false) {
+ $notify[] = $value;
+ }
+ }
+ }
+
+ $rcpt = 'RCPT TO:<' . $address . '> NOTIFY=' . implode(',', $notify);
+ }
+
+ return $this->sendCommand(
+ 'RCPT TO',
+ $rcpt,
+ [250, 251]
+ );
+ }
+
+ /**
+ * Send an SMTP RSET command.
+ * Abort any transaction that is currently in progress.
+ * Implements RFC 821: RSET <CRLF>.
+ *
+ * @return bool True on success
+ */
+ public function reset()
+ {
+ return $this->sendCommand('RSET', 'RSET', 250);
+ }
+
+ /**
+ * Send a command to an SMTP server and check its return code.
+ *
+ * @param string $command The command name - not sent to the server
+ * @param string $commandstring The actual command to send
+ * @param int|array $expect One or more expected integer success codes
+ *
+ * @return bool True on success
+ */
+ protected function sendCommand($command, $commandstring, $expect)
+ {
+ if (!$this->connected()) {
+ $this->setError("Called $command without being connected");
+
+ return false;
+ }
+ //Reject line breaks in all commands
+ if ((strpos($commandstring, "\n") !== false) || (strpos($commandstring, "\r") !== false)) {
+ $this->setError("Command '$command' contained line breaks");
+
+ return false;
+ }
+ $this->client_send($commandstring . static::LE, $command);
+
+ $this->last_reply = $this->get_lines();
+ // Fetch SMTP code and possible error code explanation
+ $matches = [];
+ if (preg_match('/^([\d]{3})[ -](?:([\d]\\.[\d]\\.[\d]{1,2}) )?/', $this->last_reply, $matches)) {
+ $code = (int) $matches[1];
+ $code_ex = (count($matches) > 2 ? $matches[2] : null);
+ // Cut off error code from each response line
+ $detail = preg_replace(
+ "/{$code}[ -]" .
+ ($code_ex ? str_replace('.', '\\.', $code_ex) . ' ' : '') . '/m',
+ '',
+ $this->last_reply
+ );
+ } else {
+ // Fall back to simple parsing if regex fails
+ $code = (int) substr($this->last_reply, 0, 3);
+ $code_ex = null;
+ $detail = substr($this->last_reply, 4);
+ }
+
+ $this->edebug('SERVER -> CLIENT: ' . $this->last_reply, self::DEBUG_SERVER);
+
+ if (!in_array($code, (array) $expect, true)) {
+ $this->setError(
+ "$command command failed",
+ $detail,
+ $code,
+ $code_ex
+ );
+ $this->edebug(
+ 'SMTP ERROR: ' . $this->error['error'] . ': ' . $this->last_reply,
+ self::DEBUG_CLIENT
+ );
+
+ return false;
+ }
+
+ $this->setError('');
+
+ return true;
+ }
+
+ /**
+ * Send an SMTP SAML command.
+ * Starts a mail transaction from the email address specified in $from.
+ * Returns true if successful or false otherwise. If True
+ * the mail transaction is started and then one or more recipient
+ * commands may be called followed by a data command. This command
+ * will send the message to the users terminal if they are logged
+ * in and send them an email.
+ * Implements RFC 821: SAML <SP> FROM:<reverse-path> <CRLF>.
+ *
+ * @param string $from The address the message is from
+ *
+ * @return bool
+ */
+ public function sendAndMail($from)
+ {
+ return $this->sendCommand('SAML', "SAML FROM:$from", 250);
+ }
+
+ /**
+ * Send an SMTP VRFY command.
+ *
+ * @param string $name The name to verify
+ *
+ * @return bool
+ */
+ public function verify($name)
+ {
+ return $this->sendCommand('VRFY', "VRFY $name", [250, 251]);
+ }
+
+ /**
+ * Send an SMTP NOOP command.
+ * Used to keep keep-alives alive, doesn't actually do anything.
+ *
+ * @return bool
+ */
+ public function noop()
+ {
+ return $this->sendCommand('NOOP', 'NOOP', 250);
+ }
+
+ /**
+ * Send an SMTP TURN command.
+ * This is an optional command for SMTP that this class does not support.
+ * This method is here to make the RFC821 Definition complete for this class
+ * and _may_ be implemented in future.
+ * Implements from RFC 821: TURN <CRLF>.
+ *
+ * @return bool
+ */
+ public function turn()
+ {
+ $this->setError('The SMTP TURN command is not implemented');
+ $this->edebug('SMTP NOTICE: ' . $this->error['error'], self::DEBUG_CLIENT);
+
+ return false;
+ }
+
+ /**
+ * Send raw data to the server.
+ *
+ * @param string $data The data to send
+ * @param string $command Optionally, the command this is part of, used only for controlling debug output
+ *
+ * @return int|bool The number of bytes sent to the server or false on error
+ */
+ public function client_send($data, $command = '')
+ {
+ //If SMTP transcripts are left enabled, or debug output is posted online
+ //it can leak credentials, so hide credentials in all but lowest level
+ if (self::DEBUG_LOWLEVEL > $this->do_debug &&
+ in_array($command, ['User & Password', 'Username', 'Password'], true)) {
+ $this->edebug('CLIENT -> SERVER: [credentials hidden]', self::DEBUG_CLIENT);
+ } else {
+ $this->edebug('CLIENT -> SERVER: ' . $data, self::DEBUG_CLIENT);
+ }
+ set_error_handler([$this, 'errorHandler']);
+ $result = fwrite($this->smtp_conn, $data);
+ restore_error_handler();
+
+ return $result;
+ }
+
+ /**
+ * Get the latest error.
+ *
+ * @return array
+ */
+ public function getError()
+ {
+ return $this->error;
+ }
+
+ /**
+ * Get SMTP extensions available on the server.
+ *
+ * @return array|null
+ */
+ public function getServerExtList()
+ {
+ return $this->server_caps;
+ }
+
+ /**
+ * Get metadata about the SMTP server from its HELO/EHLO response.
+ * The method works in three ways, dependent on argument value and current state:
+ * 1. HELO/EHLO has not been sent - returns null and populates $this->error.
+ * 2. HELO has been sent -
+ * $name == 'HELO': returns server name
+ * $name == 'EHLO': returns boolean false
+ * $name == any other string: returns null and populates $this->error
+ * 3. EHLO has been sent -
+ * $name == 'HELO'|'EHLO': returns the server name
+ * $name == any other string: if extension $name exists, returns True
+ * or its options (e.g. AUTH mechanisms supported). Otherwise returns False.
+ *
+ * @param string $name Name of SMTP extension or 'HELO'|'EHLO'
+ *
+ * @return string|bool|null
+ */
+ public function getServerExt($name)
+ {
+ if (!$this->server_caps) {
+ $this->setError('No HELO/EHLO was sent');
+
+ return;
+ }
+
+ if (!array_key_exists($name, $this->server_caps)) {
+ if ('HELO' === $name) {
+ return $this->server_caps['EHLO'];
+ }
+ if ('EHLO' === $name || array_key_exists('EHLO', $this->server_caps)) {
+ return false;
+ }
+ $this->setError('HELO handshake was used; No information about server extensions available');
+
+ return;
+ }
+
+ return $this->server_caps[$name];
+ }
+
+ /**
+ * Get the last reply from the server.
+ *
+ * @return string
+ */
+ public function getLastReply()
+ {
+ return $this->last_reply;
+ }
+
+ /**
+ * Read the SMTP server's response.
+ * Either before eof or socket timeout occurs on the operation.
+ * With SMTP we can tell if we have more lines to read if the
+ * 4th character is '-' symbol. If it is a space then we don't
+ * need to read anything else.
+ *
+ * @return string
+ */
+ protected function get_lines()
+ {
+ // If the connection is bad, give up straight away
+ if (!is_resource($this->smtp_conn)) {
+ return '';
+ }
+ $data = '';
+ $endtime = 0;
+ stream_set_timeout($this->smtp_conn, $this->Timeout);
+ if ($this->Timelimit > 0) {
+ $endtime = time() + $this->Timelimit;
+ }
+ $selR = [$this->smtp_conn];
+ $selW = null;
+ while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
+ //Must pass vars in here as params are by reference
+ if (!stream_select($selR, $selW, $selW, $this->Timelimit)) {
+ $this->edebug(
+ 'SMTP -> get_lines(): select timed-out in (' . $this->Timelimit . ' sec)',
+ self::DEBUG_LOWLEVEL
+ );
+ break;
+ }
+ //Deliberate noise suppression - errors are handled afterwards
+ $str = @fgets($this->smtp_conn, self::MAX_REPLY_LENGTH);
+ $this->edebug('SMTP INBOUND: "' . trim($str) . '"', self::DEBUG_LOWLEVEL);
+ $data .= $str;
+ // If response is only 3 chars (not valid, but RFC5321 S4.2 says it must be handled),
+ // or 4th character is a space or a line break char, we are done reading, break the loop.
+ // String array access is a significant micro-optimisation over strlen
+ if (!isset($str[3]) || $str[3] === ' ' || $str[3] === "\r" || $str[3] === "\n") {
+ break;
+ }
+ // Timed-out? Log and break
+ $info = stream_get_meta_data($this->smtp_conn);
+ if ($info['timed_out']) {
+ $this->edebug(
+ 'SMTP -> get_lines(): stream timed-out (' . $this->Timeout . ' sec)',
+ self::DEBUG_LOWLEVEL
+ );
+ break;
+ }
+ // Now check if reads took too long
+ if ($endtime && time() > $endtime) {
+ $this->edebug(
+ 'SMTP -> get_lines(): timelimit reached (' .
+ $this->Timelimit . ' sec)',
+ self::DEBUG_LOWLEVEL
+ );
+ break;
+ }
+ }
+
+ return $data;
+ }
+
+ /**
+ * Enable or disable VERP address generation.
+ *
+ * @param bool $enabled
+ */
+ public function setVerp($enabled = false)
+ {
+ $this->do_verp = $enabled;
+ }
+
+ /**
+ * Get VERP address generation mode.
+ *
+ * @return bool
+ */
+ public function getVerp()
+ {
+ return $this->do_verp;
+ }
+
+ /**
+ * Set error messages and codes.
+ *
+ * @param string $message The error message
+ * @param string $detail Further detail on the error
+ * @param string $smtp_code An associated SMTP error code
+ * @param string $smtp_code_ex Extended SMTP code
+ */
+ protected function setError($message, $detail = '', $smtp_code = '', $smtp_code_ex = '')
+ {
+ $this->error = [
+ 'error' => $message,
+ 'detail' => $detail,
+ 'smtp_code' => $smtp_code,
+ 'smtp_code_ex' => $smtp_code_ex,
+ ];
+ }
+
+ /**
+ * Set debug output method.
+ *
+ * @param string|callable $method The name of the mechanism to use for debugging output, or a callable to handle it
+ */
+ public function setDebugOutput($method = 'echo')
+ {
+ $this->Debugoutput = $method;
+ }
+
+ /**
+ * Get debug output method.
+ *
+ * @return string
+ */
+ public function getDebugOutput()
+ {
+ return $this->Debugoutput;
+ }
+
+ /**
+ * Set debug output level.
+ *
+ * @param int $level
+ */
+ public function setDebugLevel($level = 0)
+ {
+ $this->do_debug = $level;
+ }
+
+ /**
+ * Get debug output level.
+ *
+ * @return int
+ */
+ public function getDebugLevel()
+ {
+ return $this->do_debug;
+ }
+
+ /**
+ * Set SMTP timeout.
+ *
+ * @param int $timeout The timeout duration in seconds
+ */
+ public function setTimeout($timeout = 0)
+ {
+ $this->Timeout = $timeout;
+ }
+
+ /**
+ * Get SMTP timeout.
+ *
+ * @return int
+ */
+ public function getTimeout()
+ {
+ return $this->Timeout;
+ }
+
+ /**
+ * Reports an error number and string.
+ *
+ * @param int $errno The error number returned by PHP
+ * @param string $errmsg The error message returned by PHP
+ * @param string $errfile The file the error occurred in
+ * @param int $errline The line number the error occurred on
+ */
+ protected function errorHandler($errno, $errmsg, $errfile = '', $errline = 0)
+ {
+ $notice = 'Connection failed.';
+ $this->setError(
+ $notice,
+ $errmsg,
+ (string) $errno
+ );
+ $this->edebug(
+ "$notice Error #$errno: $errmsg [$errfile line $errline]",
+ self::DEBUG_CONNECTION
+ );
+ }
+
+ /**
+ * Extract and return the ID of the last SMTP transaction based on
+ * a list of patterns provided in SMTP::$smtp_transaction_id_patterns.
+ * Relies on the host providing the ID in response to a DATA command.
+ * If no reply has been received yet, it will return null.
+ * If no pattern was matched, it will return false.
+ *
+ * @return bool|string|null
+ */
+ protected function recordLastTransactionID()
+ {
+ $reply = $this->getLastReply();
+
+ if (empty($reply)) {
+ $this->last_smtp_transaction_id = null;
+ } else {
+ $this->last_smtp_transaction_id = false;
+ foreach ($this->smtp_transaction_id_patterns as $smtp_transaction_id_pattern) {
+ $matches = [];
+ if (preg_match($smtp_transaction_id_pattern, $reply, $matches)) {
+ $this->last_smtp_transaction_id = trim($matches[1]);
+ break;
+ }
+ }
+ }
+
+ return $this->last_smtp_transaction_id;
+ }
+
+ /**
+ * Get the queue/transaction ID of the last SMTP transaction
+ * If no reply has been received yet, it will return null.
+ * If no pattern was matched, it will return false.
+ *
+ * @return bool|string|null
+ *
+ * @see recordLastTransactionID()
+ */
+ public function getLastTransactionID()
+ {
+ return $this->last_smtp_transaction_id;
+ }
+}
</ins><span class="cx" style="display: block; padding: 0 10px">Property changes on: trunk/src/wp-includes/PHPMailer/SMTP.php
</span><span class="cx" style="display: block; padding: 0 10px">___________________________________________________________________
</span></span></pre></div>
<a id="svneolstyle"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: svn:eol-style</h4></div>
<ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+native
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="trunksrcwpincludesclassphpmailerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-phpmailer.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-phpmailer.php 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/src/wp-includes/class-phpmailer.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,4062 +1,9 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/**
- * PHPMailer - PHP email creation and transport class.
- * PHP Version 5
- * @package PHPMailer
- * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
- * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
- * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
- * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
- * @author Brent R. Matzelle (original founder)
- * @copyright 2012 - 2014 Marcus Bointon
- * @copyright 2010 - 2012 Jim Jagielski
- * @copyright 2004 - 2009 Andy Prevost
- * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
- * @note This program is distributed in the hope that it will be useful - WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- */
</del><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * PHPMailer - PHP email creation and transport class.
- * @package PHPMailer
- * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
- * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
- * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
- * @author Brent R. Matzelle (original founder)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * The PHPMailer class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-class PHPMailer
-{
- /**
- * The PHPMailer Version number.
- * @var string
- */
- public $Version = '5.2.27';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+_deprecated_file( basename( __FILE__ ), '5.5.0', WPINC . '/PHPMailer/PHPMailer.php', __( 'The PHPMailer class has been moved to wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace.' ) );
+require __DIR__ . '/PHPMailer/PHPMailer.php';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- /**
- * Email priority.
- * Options: null (default), 1 = High, 3 = Normal, 5 = low.
- * When null, the header is not set at all.
- * @var integer
- */
- public $Priority = null;
-
- /**
- * The character set of the message.
- * @var string
- */
- public $CharSet = 'iso-8859-1';
-
- /**
- * The MIME Content-type of the message.
- * @var string
- */
- public $ContentType = 'text/plain';
-
- /**
- * The message encoding.
- * Options: "8bit", "7bit", "binary", "base64", and "quoted-printable".
- * @var string
- */
- public $Encoding = '8bit';
-
- /**
- * Holds the most recent mailer error message.
- * @var string
- */
- public $ErrorInfo = '';
-
- /**
- * The From email address for the message.
- * @var string
- */
- public $From = 'root@localhost';
-
- /**
- * The From name of the message.
- * @var string
- */
- public $FromName = 'Root User';
-
- /**
- * The Sender email (Return-Path) of the message.
- * If not empty, will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
- * @var string
- */
- public $Sender = '';
-
- /**
- * The Return-Path of the message.
- * If empty, it will be set to either From or Sender.
- * @var string
- * @deprecated Email senders should never set a return-path header;
- * it's the receiver's job (RFC5321 section 4.4), so this no longer does anything.
- * @link https://tools.ietf.org/html/rfc5321#section-4.4 RFC5321 reference
- */
- public $ReturnPath = '';
-
- /**
- * The Subject of the message.
- * @var string
- */
- public $Subject = '';
-
- /**
- * An HTML or plain text message body.
- * If HTML then call isHTML(true).
- * @var string
- */
- public $Body = '';
-
- /**
- * The plain-text message body.
- * This body can be read by mail clients that do not have HTML email
- * capability such as mutt & Eudora.
- * Clients that can read HTML will view the normal Body.
- * @var string
- */
- public $AltBody = '';
-
- /**
- * An iCal message part body.
- * Only supported in simple alt or alt_inline message types
- * To generate iCal events, use the bundled extras/EasyPeasyICS.php class or iCalcreator
- * @link http://sprain.ch/blog/downloads/php-class-easypeasyics-create-ical-files-with-php/
- * @link http://kigkonsult.se/iCalcreator/
- * @var string
- */
- public $Ical = '';
-
- /**
- * The complete compiled MIME message body.
- * @access protected
- * @var string
- */
- protected $MIMEBody = '';
-
- /**
- * The complete compiled MIME message headers.
- * @var string
- * @access protected
- */
- protected $MIMEHeader = '';
-
- /**
- * Extra headers that createHeader() doesn't fold in.
- * @var string
- * @access protected
- */
- protected $mailHeader = '';
-
- /**
- * Word-wrap the message body to this number of chars.
- * Set to 0 to not wrap. A useful value here is 78, for RFC2822 section 2.1.1 compliance.
- * @var integer
- */
- public $WordWrap = 0;
-
- /**
- * Which method to use to send mail.
- * Options: "mail", "sendmail", or "smtp".
- * @var string
- */
- public $Mailer = 'mail';
-
- /**
- * The path to the sendmail program.
- * @var string
- */
- public $Sendmail = '/usr/sbin/sendmail';
-
- /**
- * Whether mail() uses a fully sendmail-compatible MTA.
- * One which supports sendmail's "-oi -f" options.
- * @var boolean
- */
- public $UseSendmailOptions = true;
-
- /**
- * Path to PHPMailer plugins.
- * Useful if the SMTP class is not in the PHP include path.
- * @var string
- * @deprecated Should not be needed now there is an autoloader.
- */
- public $PluginDir = '';
-
- /**
- * The email address that a reading confirmation should be sent to, also known as read receipt.
- * @var string
- */
- public $ConfirmReadingTo = '';
-
- /**
- * The hostname to use in the Message-ID header and as default HELO string.
- * If empty, PHPMailer attempts to find one with, in order,
- * $_SERVER['SERVER_NAME'], gethostname(), php_uname('n'), or the value
- * 'localhost.localdomain'.
- * @var string
- */
- public $Hostname = '';
-
- /**
- * An ID to be used in the Message-ID header.
- * If empty, a unique id will be generated.
- * You can set your own, but it must be in the format "<id@domain>",
- * as defined in RFC5322 section 3.6.4 or it will be ignored.
- * @see https://tools.ietf.org/html/rfc5322#section-3.6.4
- * @var string
- */
- public $MessageID = '';
-
- /**
- * The message Date to be used in the Date header.
- * If empty, the current date will be added.
- * @var string
- */
- public $MessageDate = '';
-
- /**
- * SMTP hosts.
- * Either a single hostname or multiple semicolon-delimited hostnames.
- * You can also specify a different port
- * for each host by using this format: [hostname:port]
- * (e.g. "smtp1.example.com:25;smtp2.example.com").
- * You can also specify encryption type, for example:
- * (e.g. "tls://smtp1.example.com:587;ssl://smtp2.example.com:465").
- * Hosts will be tried in order.
- * @var string
- */
- public $Host = 'localhost';
-
- /**
- * The default SMTP server port.
- * @var integer
- * @TODO Why is this needed when the SMTP class takes care of it?
- */
- public $Port = 25;
-
- /**
- * The SMTP HELO of the message.
- * Default is $Hostname. If $Hostname is empty, PHPMailer attempts to find
- * one with the same method described above for $Hostname.
- * @var string
- * @see PHPMailer::$Hostname
- */
- public $Helo = '';
-
- /**
- * What kind of encryption to use on the SMTP connection.
- * Options: '', 'ssl' or 'tls'
- * @var string
- */
- public $SMTPSecure = '';
-
- /**
- * Whether to enable TLS encryption automatically if a server supports it,
- * even if `SMTPSecure` is not set to 'tls'.
- * Be aware that in PHP >= 5.6 this requires that the server's certificates are valid.
- * @var boolean
- */
- public $SMTPAutoTLS = true;
-
- /**
- * Whether to use SMTP authentication.
- * Uses the Username and Password properties.
- * @var boolean
- * @see PHPMailer::$Username
- * @see PHPMailer::$Password
- */
- public $SMTPAuth = false;
-
- /**
- * Options array passed to stream_context_create when connecting via SMTP.
- * @var array
- */
- public $SMTPOptions = array();
-
- /**
- * SMTP username.
- * @var string
- */
- public $Username = '';
-
- /**
- * SMTP password.
- * @var string
- */
- public $Password = '';
-
- /**
- * SMTP auth type.
- * Options are CRAM-MD5, LOGIN, PLAIN, attempted in that order if not specified
- * @var string
- */
- public $AuthType = '';
-
- /**
- * SMTP realm.
- * Used for NTLM auth
- * @var string
- */
- public $Realm = '';
-
- /**
- * SMTP workstation.
- * Used for NTLM auth
- * @var string
- */
- public $Workstation = '';
-
- /**
- * The SMTP server timeout in seconds.
- * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
- * @var integer
- */
- public $Timeout = 300;
-
- /**
- * SMTP class debug output mode.
- * Debug output level.
- * Options:
- * * `0` No output
- * * `1` Commands
- * * `2` Data and commands
- * * `3` As 2 plus connection status
- * * `4` Low-level data output
- * @var integer
- * @see SMTP::$do_debug
- */
- public $SMTPDebug = 0;
-
- /**
- * How to handle debug output.
- * Options:
- * * `echo` Output plain-text as-is, appropriate for CLI
- * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
- * * `error_log` Output to error log as configured in php.ini
- *
- * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
- * <code>
- * $mail->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
- * </code>
- * @var string|callable
- * @see SMTP::$Debugoutput
- */
- public $Debugoutput = 'echo';
-
- /**
- * Whether to keep SMTP connection open after each message.
- * If this is set to true then to close the connection
- * requires an explicit call to smtpClose().
- * @var boolean
- */
- public $SMTPKeepAlive = false;
-
- /**
- * Whether to split multiple to addresses into multiple messages
- * or send them all in one message.
- * Only supported in `mail` and `sendmail` transports, not in SMTP.
- * @var boolean
- */
- public $SingleTo = false;
-
- /**
- * Storage for addresses when SingleTo is enabled.
- * @var array
- * @TODO This should really not be public
- */
- public $SingleToArray = array();
-
- /**
- * Whether to generate VERP addresses on send.
- * Only applicable when sending via SMTP.
- * @link https://en.wikipedia.org/wiki/Variable_envelope_return_path
- * @link http://www.postfix.org/VERP_README.html Postfix VERP info
- * @var boolean
- */
- public $do_verp = false;
-
- /**
- * Whether to allow sending messages with an empty body.
- * @var boolean
- */
- public $AllowEmpty = false;
-
- /**
- * The default line ending.
- * @note The default remains "\n". We force CRLF where we know
- * it must be used via self::CRLF.
- * @var string
- */
- public $LE = "\n";
-
- /**
- * DKIM selector.
- * @var string
- */
- public $DKIM_selector = '';
-
- /**
- * DKIM Identity.
- * Usually the email address used as the source of the email.
- * @var string
- */
- public $DKIM_identity = '';
-
- /**
- * DKIM passphrase.
- * Used if your key is encrypted.
- * @var string
- */
- public $DKIM_passphrase = '';
-
- /**
- * DKIM signing domain name.
- * @example 'example.com'
- * @var string
- */
- public $DKIM_domain = '';
-
- /**
- * DKIM private key file path.
- * @var string
- */
- public $DKIM_private = '';
-
- /**
- * DKIM private key string.
- * If set, takes precedence over `$DKIM_private`.
- * @var string
- */
- public $DKIM_private_string = '';
-
- /**
- * Callback Action function name.
- *
- * The function that handles the result of the send email action.
- * It is called out by send() for each email sent.
- *
- * Value can be any php callable: http://www.php.net/is_callable
- *
- * Parameters:
- * boolean $result result of the send action
- * array $to email addresses of the recipients
- * array $cc cc email addresses
- * array $bcc bcc email addresses
- * string $subject the subject
- * string $body the email body
- * string $from email address of sender
- * @var string
- */
- public $action_function = '';
-
- /**
- * What to put in the X-Mailer header.
- * Options: An empty string for PHPMailer default, whitespace for none, or a string to use
- * @var string
- */
- public $XMailer = '';
-
- /**
- * Which validator to use by default when validating email addresses.
- * May be a callable to inject your own validator, but there are several built-in validators.
- * @see PHPMailer::validateAddress()
- * @var string|callable
- * @static
- */
- public static $validator = 'auto';
-
- /**
- * An instance of the SMTP sender class.
- * @var SMTP
- * @access protected
- */
- protected $smtp = null;
-
- /**
- * The array of 'to' names and addresses.
- * @var array
- * @access protected
- */
- protected $to = array();
-
- /**
- * The array of 'cc' names and addresses.
- * @var array
- * @access protected
- */
- protected $cc = array();
-
- /**
- * The array of 'bcc' names and addresses.
- * @var array
- * @access protected
- */
- protected $bcc = array();
-
- /**
- * The array of reply-to names and addresses.
- * @var array
- * @access protected
- */
- protected $ReplyTo = array();
-
- /**
- * An array of all kinds of addresses.
- * Includes all of $to, $cc, $bcc
- * @var array
- * @access protected
- * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
- */
- protected $all_recipients = array();
-
- /**
- * An array of names and addresses queued for validation.
- * In send(), valid and non duplicate entries are moved to $all_recipients
- * and one of $to, $cc, or $bcc.
- * This array is used only for addresses with IDN.
- * @var array
- * @access protected
- * @see PHPMailer::$to @see PHPMailer::$cc @see PHPMailer::$bcc
- * @see PHPMailer::$all_recipients
- */
- protected $RecipientsQueue = array();
-
- /**
- * An array of reply-to names and addresses queued for validation.
- * In send(), valid and non duplicate entries are moved to $ReplyTo.
- * This array is used only for addresses with IDN.
- * @var array
- * @access protected
- * @see PHPMailer::$ReplyTo
- */
- protected $ReplyToQueue = array();
-
- /**
- * The array of attachments.
- * @var array
- * @access protected
- */
- protected $attachment = array();
-
- /**
- * The array of custom headers.
- * @var array
- * @access protected
- */
- protected $CustomHeader = array();
-
- /**
- * The most recent Message-ID (including angular brackets).
- * @var string
- * @access protected
- */
- protected $lastMessageID = '';
-
- /**
- * The message's MIME type.
- * @var string
- * @access protected
- */
- protected $message_type = '';
-
- /**
- * The array of MIME boundary strings.
- * @var array
- * @access protected
- */
- protected $boundary = array();
-
- /**
- * The array of available languages.
- * @var array
- * @access protected
- */
- protected $language = array();
-
- /**
- * The number of errors encountered.
- * @var integer
- * @access protected
- */
- protected $error_count = 0;
-
- /**
- * The S/MIME certificate file path.
- * @var string
- * @access protected
- */
- protected $sign_cert_file = '';
-
- /**
- * The S/MIME key file path.
- * @var string
- * @access protected
- */
- protected $sign_key_file = '';
-
- /**
- * The optional S/MIME extra certificates ("CA Chain") file path.
- * @var string
- * @access protected
- */
- protected $sign_extracerts_file = '';
-
- /**
- * The S/MIME password for the key.
- * Used only if the key is encrypted.
- * @var string
- * @access protected
- */
- protected $sign_key_pass = '';
-
- /**
- * Whether to throw exceptions for errors.
- * @var boolean
- * @access protected
- */
- protected $exceptions = false;
-
- /**
- * Unique ID used for message ID and boundaries.
- * @var string
- * @access protected
- */
- protected $uniqueid = '';
-
- /**
- * Error severity: message only, continue processing.
- */
- const STOP_MESSAGE = 0;
-
- /**
- * Error severity: message, likely ok to continue processing.
- */
- const STOP_CONTINUE = 1;
-
- /**
- * Error severity: message, plus full stop, critical error reached.
- */
- const STOP_CRITICAL = 2;
-
- /**
- * SMTP RFC standard line ending.
- */
- const CRLF = "\r\n";
-
- /**
- * The maximum line length allowed by RFC 2822 section 2.1.1
- * @var integer
- */
- const MAX_LINE_LENGTH = 998;
-
- /**
- * Constructor.
- * @param boolean $exceptions Should we throw external exceptions?
- */
- public function __construct($exceptions = null)
- {
- if ($exceptions !== null) {
- $this->exceptions = (boolean)$exceptions;
- }
- //Pick an appropriate debug output format automatically
- $this->Debugoutput = (strpos(PHP_SAPI, 'cli') !== false ? 'echo' : 'html');
- }
-
- /**
- * Destructor.
- */
- public function __destruct()
- {
- //Close any open SMTP connection nicely
- $this->smtpClose();
- }
-
- /**
- * Call mail() in a safe_mode-aware fashion.
- * Also, unless sendmail_path points to sendmail (or something that
- * claims to be sendmail), don't pass params (not a perfect fix,
- * but it will do)
- * @param string $to To
- * @param string $subject Subject
- * @param string $body Message Body
- * @param string $header Additional Header(s)
- * @param string $params Params
- * @access private
- * @return boolean
- */
- private function mailPassthru($to, $subject, $body, $header, $params)
- {
- //Check overloading of mail function to avoid double-encoding
- if (ini_get('mbstring.func_overload') & 1) {
- $subject = $this->secureHeader($subject);
- } else {
- $subject = $this->encodeHeader($this->secureHeader($subject));
- }
-
- //Can't use additional_parameters in safe_mode, calling mail() with null params breaks
- //@link http://php.net/manual/en/function.mail.php
- if (ini_get('safe_mode') or !$this->UseSendmailOptions or is_null($params)) {
- $result = @mail($to, $subject, $body, $header);
- } else {
- $result = @mail($to, $subject, $body, $header, $params);
- }
- return $result;
- }
- /**
- * Output debugging info via user-defined method.
- * Only generates output if SMTP debug output is enabled (@see SMTP::$do_debug).
- * @see PHPMailer::$Debugoutput
- * @see PHPMailer::$SMTPDebug
- * @param string $str
- */
- protected function edebug($str)
- {
- if ($this->SMTPDebug <= 0) {
- return;
- }
- //Avoid clash with built-in function names
- if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
- call_user_func($this->Debugoutput, $str, $this->SMTPDebug);
- return;
- }
- switch ($this->Debugoutput) {
- case 'error_log':
- //Don't output, just log
- error_log($str);
- break;
- case 'html':
- //Cleans up output a bit for a better looking, HTML-safe output
- echo htmlentities(
- preg_replace('/[\r\n]+/', '', $str),
- ENT_QUOTES,
- 'UTF-8'
- )
- . "<br>\n";
- break;
- case 'echo':
- default:
- //Normalize line breaks
- $str = preg_replace('/\r\n?/ms', "\n", $str);
- echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
- "\n",
- "\n \t ",
- trim($str)
- ) . "\n";
- }
- }
-
- /**
- * Sets message type to HTML or plain.
- * @param boolean $isHtml True for HTML mode.
- * @return void
- */
- public function isHTML($isHtml = true)
- {
- if ($isHtml) {
- $this->ContentType = 'text/html';
- } else {
- $this->ContentType = 'text/plain';
- }
- }
-
- /**
- * Send messages using SMTP.
- * @return void
- */
- public function isSMTP()
- {
- $this->Mailer = 'smtp';
- }
-
- /**
- * Send messages using PHP's mail() function.
- * @return void
- */
- public function isMail()
- {
- $this->Mailer = 'mail';
- }
-
- /**
- * Send messages using $Sendmail.
- * @return void
- */
- public function isSendmail()
- {
- $ini_sendmail_path = ini_get('sendmail_path');
-
- if (!stristr($ini_sendmail_path, 'sendmail')) {
- $this->Sendmail = '/usr/sbin/sendmail';
- } else {
- $this->Sendmail = $ini_sendmail_path;
- }
- $this->Mailer = 'sendmail';
- }
-
- /**
- * Send messages using qmail.
- * @return void
- */
- public function isQmail()
- {
- $ini_sendmail_path = ini_get('sendmail_path');
-
- if (!stristr($ini_sendmail_path, 'qmail')) {
- $this->Sendmail = '/var/qmail/bin/qmail-inject';
- } else {
- $this->Sendmail = $ini_sendmail_path;
- }
- $this->Mailer = 'qmail';
- }
-
- /**
- * Add a "To" address.
- * @param string $address The email address to send to
- * @param string $name
- * @return boolean true on success, false if address already used or invalid in some way
- */
- public function addAddress($address, $name = '')
- {
- return $this->addOrEnqueueAnAddress('to', $address, $name);
- }
-
- /**
- * Add a "CC" address.
- * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
- * @param string $address The email address to send to
- * @param string $name
- * @return boolean true on success, false if address already used or invalid in some way
- */
- public function addCC($address, $name = '')
- {
- return $this->addOrEnqueueAnAddress('cc', $address, $name);
- }
-
- /**
- * Add a "BCC" address.
- * @note: This function works with the SMTP mailer on win32, not with the "mail" mailer.
- * @param string $address The email address to send to
- * @param string $name
- * @return boolean true on success, false if address already used or invalid in some way
- */
- public function addBCC($address, $name = '')
- {
- return $this->addOrEnqueueAnAddress('bcc', $address, $name);
- }
-
- /**
- * Add a "Reply-To" address.
- * @param string $address The email address to reply to
- * @param string $name
- * @return boolean true on success, false if address already used or invalid in some way
- */
- public function addReplyTo($address, $name = '')
- {
- return $this->addOrEnqueueAnAddress('Reply-To', $address, $name);
- }
-
- /**
- * Add an address to one of the recipient arrays or to the ReplyTo array. Because PHPMailer
- * can't validate addresses with an IDN without knowing the PHPMailer::$CharSet (that can still
- * be modified after calling this function), addition of such addresses is delayed until send().
- * Addresses that have been added already return false, but do not throw exceptions.
- * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
- * @param string $address The email address to send, resp. to reply to
- * @param string $name
- * @throws phpmailerException
- * @return boolean true on success, false if address already used or invalid in some way
- * @access protected
- */
- protected function addOrEnqueueAnAddress($kind, $address, $name)
- {
- $address = trim($address);
- $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
- if (($pos = strrpos($address, '@')) === false) {
- // At-sign is misssing.
- $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
- $this->setError($error_message);
- $this->edebug($error_message);
- if ($this->exceptions) {
- throw new phpmailerException($error_message);
- }
- return false;
- }
- $params = array($kind, $address, $name);
- // Enqueue addresses with IDN until we know the PHPMailer::$CharSet.
- if ($this->has8bitChars(substr($address, ++$pos)) and $this->idnSupported()) {
- if ($kind != 'Reply-To') {
- if (!array_key_exists($address, $this->RecipientsQueue)) {
- $this->RecipientsQueue[$address] = $params;
- return true;
- }
- } else {
- if (!array_key_exists($address, $this->ReplyToQueue)) {
- $this->ReplyToQueue[$address] = $params;
- return true;
- }
- }
- return false;
- }
- // Immediately add standard addresses without IDN.
- return call_user_func_array(array($this, 'addAnAddress'), $params);
- }
-
- /**
- * Add an address to one of the recipient arrays or to the ReplyTo array.
- * Addresses that have been added already return false, but do not throw exceptions.
- * @param string $kind One of 'to', 'cc', 'bcc', or 'ReplyTo'
- * @param string $address The email address to send, resp. to reply to
- * @param string $name
- * @throws phpmailerException
- * @return boolean true on success, false if address already used or invalid in some way
- * @access protected
- */
- protected function addAnAddress($kind, $address, $name = '')
- {
- if (!in_array($kind, array('to', 'cc', 'bcc', 'Reply-To'))) {
- $error_message = $this->lang('Invalid recipient kind: ') . $kind;
- $this->setError($error_message);
- $this->edebug($error_message);
- if ($this->exceptions) {
- throw new phpmailerException($error_message);
- }
- return false;
- }
- if (!$this->validateAddress($address)) {
- $error_message = $this->lang('invalid_address') . " (addAnAddress $kind): $address";
- $this->setError($error_message);
- $this->edebug($error_message);
- if ($this->exceptions) {
- throw new phpmailerException($error_message);
- }
- return false;
- }
- if ($kind != 'Reply-To') {
- if (!array_key_exists(strtolower($address), $this->all_recipients)) {
- array_push($this->$kind, array($address, $name));
- $this->all_recipients[strtolower($address)] = true;
- return true;
- }
- } else {
- if (!array_key_exists(strtolower($address), $this->ReplyTo)) {
- $this->ReplyTo[strtolower($address)] = array($address, $name);
- return true;
- }
- }
- return false;
- }
-
- /**
- * Parse and validate a string containing one or more RFC822-style comma-separated email addresses
- * of the form "display name <address>" into an array of name/address pairs.
- * Uses the imap_rfc822_parse_adrlist function if the IMAP extension is available.
- * Note that quotes in the name part are removed.
- * @param string $addrstr The address list string
- * @param bool $useimap Whether to use the IMAP extension to parse the list
- * @return array
- * @link http://www.andrew.cmu.edu/user/agreen1/testing/mrbs/web/Mail/RFC822.php A more careful implementation
- */
- public function parseAddresses($addrstr, $useimap = true)
- {
- $addresses = array();
- if ($useimap and function_exists('imap_rfc822_parse_adrlist')) {
- //Use this built-in parser if it's available
- $list = imap_rfc822_parse_adrlist($addrstr, '');
- foreach ($list as $address) {
- if ($address->host != '.SYNTAX-ERROR.') {
- if ($this->validateAddress($address->mailbox . '@' . $address->host)) {
- $addresses[] = array(
- 'name' => (property_exists($address, 'personal') ? $address->personal : ''),
- 'address' => $address->mailbox . '@' . $address->host
- );
- }
- }
- }
- } else {
- //Use this simpler parser
- $list = explode(',', $addrstr);
- foreach ($list as $address) {
- $address = trim($address);
- //Is there a separate name part?
- if (strpos($address, '<') === false) {
- //No separate name, just use the whole thing
- if ($this->validateAddress($address)) {
- $addresses[] = array(
- 'name' => '',
- 'address' => $address
- );
- }
- } else {
- list($name, $email) = explode('<', $address);
- $email = trim(str_replace('>', '', $email));
- if ($this->validateAddress($email)) {
- $addresses[] = array(
- 'name' => trim(str_replace(array('"', "'"), '', $name)),
- 'address' => $email
- );
- }
- }
- }
- }
- return $addresses;
- }
-
- /**
- * Set the From and FromName properties.
- * @param string $address
- * @param string $name
- * @param boolean $auto Whether to also set the Sender address, defaults to true
- * @throws phpmailerException
- * @return boolean
- */
- public function setFrom($address, $name = '', $auto = true)
- {
- $address = trim($address);
- $name = trim(preg_replace('/[\r\n]+/', '', $name)); //Strip breaks and trim
- // Don't validate now addresses with IDN. Will be done in send().
- if (($pos = strrpos($address, '@')) === false or
- (!$this->has8bitChars(substr($address, ++$pos)) or !$this->idnSupported()) and
- !$this->validateAddress($address)) {
- $error_message = $this->lang('invalid_address') . " (setFrom) $address";
- $this->setError($error_message);
- $this->edebug($error_message);
- if ($this->exceptions) {
- throw new phpmailerException($error_message);
- }
- return false;
- }
- $this->From = $address;
- $this->FromName = $name;
- if ($auto) {
- if (empty($this->Sender)) {
- $this->Sender = $address;
- }
- }
- return true;
- }
-
- /**
- * Return the Message-ID header of the last email.
- * Technically this is the value from the last time the headers were created,
- * but it's also the message ID of the last sent message except in
- * pathological cases.
- * @return string
- */
- public function getLastMessageID()
- {
- return $this->lastMessageID;
- }
-
- /**
- * Check that a string looks like an email address.
- * @param string $address The email address to check
- * @param string|callable $patternselect A selector for the validation pattern to use :
- * * `auto` Pick best pattern automatically;
- * * `pcre8` Use the squiloople.com pattern, requires PCRE > 8.0, PHP >= 5.3.2, 5.2.14;
- * * `pcre` Use old PCRE implementation;
- * * `php` Use PHP built-in FILTER_VALIDATE_EMAIL;
- * * `html5` Use the pattern given by the HTML5 spec for 'email' type form input elements.
- * * `noregex` Don't use a regex: super fast, really dumb.
- * Alternatively you may pass in a callable to inject your own validator, for example:
- * PHPMailer::validateAddress('user@example.com', function($address) {
- * return (strpos($address, '@') !== false);
- * });
- * You can also set the PHPMailer::$validator static to a callable, allowing built-in methods to use your validator.
- * @return boolean
- * @static
- * @access public
- */
- public static function validateAddress($address, $patternselect = null)
- {
- if (is_null($patternselect)) {
- $patternselect = self::$validator;
- }
- if (is_callable($patternselect)) {
- return call_user_func($patternselect, $address);
- }
- //Reject line breaks in addresses; it's valid RFC5322, but not RFC5321
- if (strpos($address, "\n") !== false or strpos($address, "\r") !== false) {
- return false;
- }
- if (!$patternselect or $patternselect == 'auto') {
- //Check this constant first so it works when extension_loaded() is disabled by safe mode
- //Constant was added in PHP 5.2.4
- if (defined('PCRE_VERSION')) {
- //This pattern can get stuck in a recursive loop in PCRE <= 8.0.2
- if (version_compare(PCRE_VERSION, '8.0.3') >= 0) {
- $patternselect = 'pcre8';
- } else {
- $patternselect = 'pcre';
- }
- } elseif (function_exists('extension_loaded') and extension_loaded('pcre')) {
- //Fall back to older PCRE
- $patternselect = 'pcre';
- } else {
- //Filter_var appeared in PHP 5.2.0 and does not require the PCRE extension
- if (version_compare(PHP_VERSION, '5.2.0') >= 0) {
- $patternselect = 'php';
- } else {
- $patternselect = 'noregex';
- }
- }
- }
- switch ($patternselect) {
- case 'pcre8':
- /**
- * Uses the same RFC5322 regex on which FILTER_VALIDATE_EMAIL is based, but allows dotless domains.
- * @link http://squiloople.com/2009/12/20/email-address-validation/
- * @copyright 2009-2010 Michael Rushton
- * Feel free to use and redistribute this code. But please keep this copyright notice.
- */
- return (boolean)preg_match(
- '/^(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){255,})(?!(?>(?1)"?(?>\\\[ -~]|[^"])"?(?1)){65,}@)' .
- '((?>(?>(?>((?>(?>(?>\x0D\x0A)?[\t ])+|(?>[\t ]*\x0D\x0A)?[\t ]+)?)(\((?>(?2)' .
- '(?>[\x01-\x08\x0B\x0C\x0E-\'*-\[\]-\x7F]|\\\[\x00-\x7F]|(?3)))*(?2)\)))+(?2))|(?2))?)' .
- '([!#-\'*+\/-9=?^-~-]+|"(?>(?2)(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\x7F]))*' .
- '(?2)")(?>(?1)\.(?1)(?4))*(?1)@(?!(?1)[a-z0-9-]{64,})(?1)(?>([a-z0-9](?>[a-z0-9-]*[a-z0-9])?)' .
- '(?>(?1)\.(?!(?1)[a-z0-9-]{64,})(?1)(?5)){0,126}|\[(?:(?>IPv6:(?>([a-f0-9]{1,4})(?>:(?6)){7}' .
- '|(?!(?:.*[a-f0-9][:\]]){8,})((?6)(?>:(?6)){0,6})?::(?7)?))|(?>(?>IPv6:(?>(?6)(?>:(?6)){5}:' .
- '|(?!(?:.*[a-f0-9]:){6,})(?8)?::(?>((?6)(?>:(?6)){0,4}):)?))?(25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
- '|[1-9]?[0-9])(?>\.(?9)){3}))\])(?1)$/isD',
- $address
- );
- case 'pcre':
- //An older regex that doesn't need a recent PCRE
- return (boolean)preg_match(
- '/^(?!(?>"?(?>\\\[ -~]|[^"])"?){255,})(?!(?>"?(?>\\\[ -~]|[^"])"?){65,}@)(?>' .
- '[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*")' .
- '(?>\.(?>[!#-\'*+\/-9=?^-~-]+|"(?>(?>[\x01-\x08\x0B\x0C\x0E-!#-\[\]-\x7F]|\\\[\x00-\xFF]))*"))*' .
- '@(?>(?![a-z0-9-]{64,})(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)(?>\.(?![a-z0-9-]{64,})' .
- '(?>[a-z0-9](?>[a-z0-9-]*[a-z0-9])?)){0,126}|\[(?:(?>IPv6:(?>(?>[a-f0-9]{1,4})(?>:' .
- '[a-f0-9]{1,4}){7}|(?!(?:.*[a-f0-9][:\]]){8,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?' .
- '::(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,6})?))|(?>(?>IPv6:(?>[a-f0-9]{1,4}(?>:' .
- '[a-f0-9]{1,4}){5}:|(?!(?:.*[a-f0-9]:){6,})(?>[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4})?' .
- '::(?>(?:[a-f0-9]{1,4}(?>:[a-f0-9]{1,4}){0,4}):)?))?(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}' .
- '|[1-9]?[0-9])(?>\.(?>25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])){3}))\])$/isD',
- $address
- );
- case 'html5':
- /**
- * This is the pattern used in the HTML5 spec for validation of 'email' type form input elements.
- * @link http://www.whatwg.org/specs/web-apps/current-work/#e-mail-state-(type=email)
- */
- return (boolean)preg_match(
- '/^[a-zA-Z0-9.!#$%&\'*+\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}' .
- '[a-zA-Z0-9])?(?:\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$/sD',
- $address
- );
- case 'noregex':
- //No PCRE! Do something _very_ approximate!
- //Check the address is 3 chars or longer and contains an @ that's not the first or last char
- return (strlen($address) >= 3
- and strpos($address, '@') >= 1
- and strpos($address, '@') != strlen($address) - 1);
- case 'php':
- default:
- return (boolean)filter_var($address, FILTER_VALIDATE_EMAIL);
- }
- }
-
- /**
- * Tells whether IDNs (Internationalized Domain Names) are supported or not. This requires the
- * "intl" and "mbstring" PHP extensions.
- * @return bool "true" if required functions for IDN support are present
- */
- public function idnSupported()
- {
- // @TODO: Write our own "idn_to_ascii" function for PHP <= 5.2.
- return function_exists('idn_to_ascii') and function_exists('mb_convert_encoding');
- }
-
- /**
- * Converts IDN in given email address to its ASCII form, also known as punycode, if possible.
- * Important: Address must be passed in same encoding as currently set in PHPMailer::$CharSet.
- * This function silently returns unmodified address if:
- * - No conversion is necessary (i.e. domain name is not an IDN, or is already in ASCII form)
- * - Conversion to punycode is impossible (e.g. required PHP functions are not available)
- * or fails for any reason (e.g. domain has characters not allowed in an IDN)
- * @see PHPMailer::$CharSet
- * @param string $address The email address to convert
- * @return string The encoded address in ASCII form
- */
- public function punyencodeAddress($address)
- {
- // Verify we have required functions, CharSet, and at-sign.
- if ($this->idnSupported() and
- !empty($this->CharSet) and
- ($pos = strrpos($address, '@')) !== false) {
- $domain = substr($address, ++$pos);
- // Verify CharSet string is a valid one, and domain properly encoded in this CharSet.
- if ($this->has8bitChars($domain) and @mb_check_encoding($domain, $this->CharSet)) {
- $domain = mb_convert_encoding($domain, 'UTF-8', $this->CharSet);
- if (($punycode = defined('INTL_IDNA_VARIANT_UTS46') ?
- idn_to_ascii($domain, 0, INTL_IDNA_VARIANT_UTS46) :
- idn_to_ascii($domain)) !== false) {
- return substr($address, 0, $pos) . $punycode;
- }
- }
- }
- return $address;
- }
-
- /**
- * Create a message and send it.
- * Uses the sending method specified by $Mailer.
- * @throws phpmailerException
- * @return boolean false on error - See the ErrorInfo property for details of the error.
- */
- public function send()
- {
- try {
- if (!$this->preSend()) {
- return false;
- }
- return $this->postSend();
- } catch (phpmailerException $exc) {
- $this->mailHeader = '';
- $this->setError($exc->getMessage());
- if ($this->exceptions) {
- throw $exc;
- }
- return false;
- }
- }
-
- /**
- * Prepare a message for sending.
- * @throws phpmailerException
- * @return boolean
- */
- public function preSend()
- {
- try {
- $this->error_count = 0; // Reset errors
- $this->mailHeader = '';
-
- // Dequeue recipient and Reply-To addresses with IDN
- foreach (array_merge($this->RecipientsQueue, $this->ReplyToQueue) as $params) {
- $params[1] = $this->punyencodeAddress($params[1]);
- call_user_func_array(array($this, 'addAnAddress'), $params);
- }
- if ((count($this->to) + count($this->cc) + count($this->bcc)) < 1) {
- throw new phpmailerException($this->lang('provide_address'), self::STOP_CRITICAL);
- }
-
- // Validate From, Sender, and ConfirmReadingTo addresses
- foreach (array('From', 'Sender', 'ConfirmReadingTo') as $address_kind) {
- $this->$address_kind = trim($this->$address_kind);
- if (empty($this->$address_kind)) {
- continue;
- }
- $this->$address_kind = $this->punyencodeAddress($this->$address_kind);
- if (!$this->validateAddress($this->$address_kind)) {
- $error_message = $this->lang('invalid_address') . ' (punyEncode) ' . $this->$address_kind;
- $this->setError($error_message);
- $this->edebug($error_message);
- if ($this->exceptions) {
- throw new phpmailerException($error_message);
- }
- return false;
- }
- }
-
- // Set whether the message is multipart/alternative
- if ($this->alternativeExists()) {
- $this->ContentType = 'multipart/alternative';
- }
-
- $this->setMessageType();
- // Refuse to send an empty message unless we are specifically allowing it
- if (!$this->AllowEmpty and empty($this->Body)) {
- throw new phpmailerException($this->lang('empty_message'), self::STOP_CRITICAL);
- }
-
- // Create body before headers in case body makes changes to headers (e.g. altering transfer encoding)
- $this->MIMEHeader = '';
- $this->MIMEBody = $this->createBody();
- // createBody may have added some headers, so retain them
- $tempheaders = $this->MIMEHeader;
- $this->MIMEHeader = $this->createHeader();
- $this->MIMEHeader .= $tempheaders;
-
- // To capture the complete message when using mail(), create
- // an extra header list which createHeader() doesn't fold in
- if ($this->Mailer == 'mail') {
- if (count($this->to) > 0) {
- $this->mailHeader .= $this->addrAppend('To', $this->to);
- } else {
- $this->mailHeader .= $this->headerLine('To', 'undisclosed-recipients:;');
- }
- $this->mailHeader .= $this->headerLine(
- 'Subject',
- $this->encodeHeader($this->secureHeader(trim($this->Subject)))
- );
- }
-
- // Sign with DKIM if enabled
- if (!empty($this->DKIM_domain)
- and !empty($this->DKIM_selector)
- and (!empty($this->DKIM_private_string)
- or (!empty($this->DKIM_private)
- and self::isPermittedPath($this->DKIM_private)
- and file_exists($this->DKIM_private)
- )
- )
- ) {
- $header_dkim = $this->DKIM_Add(
- $this->MIMEHeader . $this->mailHeader,
- $this->encodeHeader($this->secureHeader($this->Subject)),
- $this->MIMEBody
- );
- $this->MIMEHeader = rtrim($this->MIMEHeader, "\r\n ") . self::CRLF .
- str_replace("\r\n", "\n", $header_dkim) . self::CRLF;
- }
- return true;
- } catch (phpmailerException $exc) {
- $this->setError($exc->getMessage());
- if ($this->exceptions) {
- throw $exc;
- }
- return false;
- }
- }
-
- /**
- * Actually send a message.
- * Send the email via the selected mechanism
- * @throws phpmailerException
- * @return boolean
- */
- public function postSend()
- {
- try {
- // Choose the mailer and send through it
- switch ($this->Mailer) {
- case 'sendmail':
- case 'qmail':
- return $this->sendmailSend($this->MIMEHeader, $this->MIMEBody);
- case 'smtp':
- return $this->smtpSend($this->MIMEHeader, $this->MIMEBody);
- case 'mail':
- return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
- default:
- $sendMethod = $this->Mailer.'Send';
- if (method_exists($this, $sendMethod)) {
- return $this->$sendMethod($this->MIMEHeader, $this->MIMEBody);
- }
-
- return $this->mailSend($this->MIMEHeader, $this->MIMEBody);
- }
- } catch (phpmailerException $exc) {
- $this->setError($exc->getMessage());
- $this->edebug($exc->getMessage());
- if ($this->exceptions) {
- throw $exc;
- }
- }
- return false;
- }
-
- /**
- * Send mail using the $Sendmail program.
- * @param string $header The message headers
- * @param string $body The message body
- * @see PHPMailer::$Sendmail
- * @throws phpmailerException
- * @access protected
- * @return boolean
- */
- protected function sendmailSend($header, $body)
- {
- // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
- if (!empty($this->Sender) and self::isShellSafe($this->Sender)) {
- if ($this->Mailer == 'qmail') {
- $sendmailFmt = '%s -f%s';
- } else {
- $sendmailFmt = '%s -oi -f%s -t';
- }
- } else {
- if ($this->Mailer == 'qmail') {
- $sendmailFmt = '%s';
- } else {
- $sendmailFmt = '%s -oi -t';
- }
- }
-
- // TODO: If possible, this should be changed to escapeshellarg. Needs thorough testing.
- $sendmail = sprintf($sendmailFmt, escapeshellcmd($this->Sendmail), $this->Sender);
-
- if ($this->SingleTo) {
- foreach ($this->SingleToArray as $toAddr) {
- if (!@$mail = popen($sendmail, 'w')) {
- throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
- }
- fputs($mail, 'To: ' . $toAddr . "\n");
- fputs($mail, $header);
- fputs($mail, $body);
- $result = pclose($mail);
- $this->doCallback(
- ($result == 0),
- array($toAddr),
- $this->cc,
- $this->bcc,
- $this->Subject,
- $body,
- $this->From
- );
- if ($result != 0) {
- throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
- }
- }
- } else {
- if (!@$mail = popen($sendmail, 'w')) {
- throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
- }
- fputs($mail, $header);
- fputs($mail, $body);
- $result = pclose($mail);
- $this->doCallback(
- ($result == 0),
- $this->to,
- $this->cc,
- $this->bcc,
- $this->Subject,
- $body,
- $this->From
- );
- if ($result != 0) {
- throw new phpmailerException($this->lang('execute') . $this->Sendmail, self::STOP_CRITICAL);
- }
- }
- return true;
- }
-
- /**
- * Fix CVE-2016-10033 and CVE-2016-10045 by disallowing potentially unsafe shell characters.
- *
- * Note that escapeshellarg and escapeshellcmd are inadequate for our purposes, especially on Windows.
- * @param string $string The string to be validated
- * @see https://github.com/PHPMailer/PHPMailer/issues/924 CVE-2016-10045 bug report
- * @access protected
- * @return boolean
- */
- protected static function isShellSafe($string)
- {
- // Future-proof
- if (escapeshellcmd($string) !== $string
- or !in_array(escapeshellarg($string), array("'$string'", "\"$string\""))
- ) {
- return false;
- }
-
- $length = strlen($string);
-
- for ($i = 0; $i < $length; $i++) {
- $c = $string[$i];
-
- // All other characters have a special meaning in at least one common shell, including = and +.
- // Full stop (.) has a special meaning in cmd.exe, but its impact should be negligible here.
- // Note that this does permit non-Latin alphanumeric characters based on the current locale.
- if (!ctype_alnum($c) && strpos('@_-.', $c) === false) {
- return false;
- }
- }
-
- return true;
- }
-
- /**
- * Check whether a file path is of a permitted type.
- * Used to reject URLs and phar files from functions that access local file paths,
- * such as addAttachment.
- * @param string $path A relative or absolute path to a file.
- * @return bool
- */
- protected static function isPermittedPath($path)
- {
- return !preg_match('#^[a-z]+://#i', $path);
- }
-
- /**
- * Send mail using the PHP mail() function.
- * @param string $header The message headers
- * @param string $body The message body
- * @link http://www.php.net/manual/en/book.mail.php
- * @throws phpmailerException
- * @access protected
- * @return boolean
- */
- protected function mailSend($header, $body)
- {
- $toArr = array();
- foreach ($this->to as $toaddr) {
- $toArr[] = $this->addrFormat($toaddr);
- }
- $to = implode(', ', $toArr);
-
- $params = null;
- //This sets the SMTP envelope sender which gets turned into a return-path header by the receiver
- if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
- // CVE-2016-10033, CVE-2016-10045: Don't pass -f if characters will be escaped.
- if (self::isShellSafe($this->Sender)) {
- $params = sprintf('-f%s', $this->Sender);
- }
- }
- if (!empty($this->Sender) and !ini_get('safe_mode') and $this->validateAddress($this->Sender)) {
- $old_from = ini_get('sendmail_from');
- ini_set('sendmail_from', $this->Sender);
- }
- $result = false;
- if ($this->SingleTo and count($toArr) > 1) {
- foreach ($toArr as $toAddr) {
- $result = $this->mailPassthru($toAddr, $this->Subject, $body, $header, $params);
- $this->doCallback($result, array($toAddr), $this->cc, $this->bcc, $this->Subject, $body, $this->From);
- }
- } else {
- $result = $this->mailPassthru($to, $this->Subject, $body, $header, $params);
- $this->doCallback($result, $this->to, $this->cc, $this->bcc, $this->Subject, $body, $this->From);
- }
- if (isset($old_from)) {
- ini_set('sendmail_from', $old_from);
- }
- if (!$result) {
- throw new phpmailerException($this->lang('instantiate'), self::STOP_CRITICAL);
- }
- return true;
- }
-
- /**
- * Get an instance to use for SMTP operations.
- * Override this function to load your own SMTP implementation
- * @return SMTP
- */
- public function getSMTPInstance()
- {
- if (!is_object($this->smtp)) {
- require_once 'class-smtp.php';
- $this->smtp = new SMTP;
- }
- return $this->smtp;
- }
-
- /**
- * Send mail via SMTP.
- * Returns false if there is a bad MAIL FROM, RCPT, or DATA input.
- * Uses the PHPMailerSMTP class by default.
- * @see PHPMailer::getSMTPInstance() to use a different class.
- * @param string $header The message headers
- * @param string $body The message body
- * @throws phpmailerException
- * @uses SMTP
- * @access protected
- * @return boolean
- */
- protected function smtpSend($header, $body)
- {
- $bad_rcpt = array();
- if (!$this->smtpConnect($this->SMTPOptions)) {
- throw new phpmailerException($this->lang('smtp_connect_failed'), self::STOP_CRITICAL);
- }
- if (!empty($this->Sender) and $this->validateAddress($this->Sender)) {
- $smtp_from = $this->Sender;
- } else {
- $smtp_from = $this->From;
- }
- if (!$this->smtp->mail($smtp_from)) {
- $this->setError($this->lang('from_failed') . $smtp_from . ' : ' . implode(',', $this->smtp->getError()));
- throw new phpmailerException($this->ErrorInfo, self::STOP_CRITICAL);
- }
-
- // Attempt to send to all recipients
- foreach (array($this->to, $this->cc, $this->bcc) as $togroup) {
- foreach ($togroup as $to) {
- if (!$this->smtp->recipient($to[0])) {
- $error = $this->smtp->getError();
- $bad_rcpt[] = array('to' => $to[0], 'error' => $error['detail']);
- $isSent = false;
- } else {
- $isSent = true;
- }
- $this->doCallback($isSent, array($to[0]), array(), array(), $this->Subject, $body, $this->From);
- }
- }
-
- // Only send the DATA command if we have viable recipients
- if ((count($this->all_recipients) > count($bad_rcpt)) and !$this->smtp->data($header . $body)) {
- throw new phpmailerException($this->lang('data_not_accepted'), self::STOP_CRITICAL);
- }
- if ($this->SMTPKeepAlive) {
- $this->smtp->reset();
- } else {
- $this->smtp->quit();
- $this->smtp->close();
- }
- //Create error message for any bad addresses
- if (count($bad_rcpt) > 0) {
- $errstr = '';
- foreach ($bad_rcpt as $bad) {
- $errstr .= $bad['to'] . ': ' . $bad['error'];
- }
- throw new phpmailerException(
- $this->lang('recipients_failed') . $errstr,
- self::STOP_CONTINUE
- );
- }
- return true;
- }
-
- /**
- * Initiate a connection to an SMTP server.
- * Returns false if the operation failed.
- * @param array $options An array of options compatible with stream_context_create()
- * @uses SMTP
- * @access public
- * @throws phpmailerException
- * @return boolean
- */
- public function smtpConnect($options = null)
- {
- if (is_null($this->smtp)) {
- $this->smtp = $this->getSMTPInstance();
- }
-
- //If no options are provided, use whatever is set in the instance
- if (is_null($options)) {
- $options = $this->SMTPOptions;
- }
-
- // Already connected?
- if ($this->smtp->connected()) {
- return true;
- }
-
- $this->smtp->setTimeout($this->Timeout);
- $this->smtp->setDebugLevel($this->SMTPDebug);
- $this->smtp->setDebugOutput($this->Debugoutput);
- $this->smtp->setVerp($this->do_verp);
- $hosts = explode(';', $this->Host);
- $lastexception = null;
-
- foreach ($hosts as $hostentry) {
- $hostinfo = array();
- if (!preg_match(
- '/^((ssl|tls):\/\/)*([a-zA-Z0-9\.-]*|\[[a-fA-F0-9:]+\]):?([0-9]*)$/',
- trim($hostentry),
- $hostinfo
- )) {
- // Not a valid host entry
- $this->edebug('Ignoring invalid host: ' . $hostentry);
- continue;
- }
- // $hostinfo[2]: optional ssl or tls prefix
- // $hostinfo[3]: the hostname
- // $hostinfo[4]: optional port number
- // The host string prefix can temporarily override the current setting for SMTPSecure
- // If it's not specified, the default value is used
- $prefix = '';
- $secure = $this->SMTPSecure;
- $tls = ($this->SMTPSecure == 'tls');
- if ('ssl' == $hostinfo[2] or ('' == $hostinfo[2] and 'ssl' == $this->SMTPSecure)) {
- $prefix = 'ssl://';
- $tls = false; // Can't have SSL and TLS at the same time
- $secure = 'ssl';
- } elseif ($hostinfo[2] == 'tls') {
- $tls = true;
- // tls doesn't use a prefix
- $secure = 'tls';
- }
- //Do we need the OpenSSL extension?
- $sslext = defined('OPENSSL_ALGO_SHA1');
- if ('tls' === $secure or 'ssl' === $secure) {
- //Check for an OpenSSL constant rather than using extension_loaded, which is sometimes disabled
- if (!$sslext) {
- throw new phpmailerException($this->lang('extension_missing').'openssl', self::STOP_CRITICAL);
- }
- }
- $host = $hostinfo[3];
- $port = $this->Port;
- $tport = (integer)$hostinfo[4];
- if ($tport > 0 and $tport < 65536) {
- $port = $tport;
- }
- if ($this->smtp->connect($prefix . $host, $port, $this->Timeout, $options)) {
- try {
- if ($this->Helo) {
- $hello = $this->Helo;
- } else {
- $hello = $this->serverHostname();
- }
- $this->smtp->hello($hello);
- //Automatically enable TLS encryption if:
- // * it's not disabled
- // * we have openssl extension
- // * we are not already using SSL
- // * the server offers STARTTLS
- if ($this->SMTPAutoTLS and $sslext and $secure != 'ssl' and $this->smtp->getServerExt('STARTTLS')) {
- $tls = true;
- }
- if ($tls) {
- if (!$this->smtp->startTLS()) {
- throw new phpmailerException($this->lang('connect_host'));
- }
- // We must resend EHLO after TLS negotiation
- $this->smtp->hello($hello);
- }
- if ($this->SMTPAuth) {
- if (!$this->smtp->authenticate(
- $this->Username,
- $this->Password,
- $this->AuthType,
- $this->Realm,
- $this->Workstation
- )
- ) {
- throw new phpmailerException($this->lang('authenticate'));
- }
- }
- return true;
- } catch (phpmailerException $exc) {
- $lastexception = $exc;
- $this->edebug($exc->getMessage());
- // We must have connected, but then failed TLS or Auth, so close connection nicely
- $this->smtp->quit();
- }
- }
- }
- // If we get here, all connection attempts have failed, so close connection hard
- $this->smtp->close();
- // As we've caught all exceptions, just report whatever the last one was
- if ($this->exceptions and !is_null($lastexception)) {
- throw $lastexception;
- }
- return false;
- }
-
- /**
- * Close the active SMTP session if one exists.
- * @return void
- */
- public function smtpClose()
- {
- if (is_a($this->smtp, 'SMTP')) {
- if ($this->smtp->connected()) {
- $this->smtp->quit();
- $this->smtp->close();
- }
- }
- }
-
- /**
- * Set the language for error messages.
- * Returns false if it cannot load the language file.
- * The default language is English.
- * @param string $langcode ISO 639-1 2-character language code (e.g. French is "fr")
- * @param string $lang_path Path to the language file directory, with trailing separator (slash)
- * @return boolean
- * @access public
- */
- public function setLanguage($langcode = 'en', $lang_path = '')
- {
- // Backwards compatibility for renamed language codes
- $renamed_langcodes = array(
- 'br' => 'pt_br',
- 'cz' => 'cs',
- 'dk' => 'da',
- 'no' => 'nb',
- 'se' => 'sv',
- 'sr' => 'rs'
- );
-
- if (isset($renamed_langcodes[$langcode])) {
- $langcode = $renamed_langcodes[$langcode];
- }
-
- // Define full set of translatable strings in English
- $PHPMAILER_LANG = array(
- 'authenticate' => 'SMTP Error: Could not authenticate.',
- 'connect_host' => 'SMTP Error: Could not connect to SMTP host.',
- 'data_not_accepted' => 'SMTP Error: data not accepted.',
- 'empty_message' => 'Message body empty',
- 'encoding' => 'Unknown encoding: ',
- 'execute' => 'Could not execute: ',
- 'file_access' => 'Could not access file: ',
- 'file_open' => 'File Error: Could not open file: ',
- 'from_failed' => 'The following From address failed: ',
- 'instantiate' => 'Could not instantiate mail function.',
- 'invalid_address' => 'Invalid address: ',
- 'mailer_not_supported' => ' mailer is not supported.',
- 'provide_address' => 'You must provide at least one recipient email address.',
- 'recipients_failed' => 'SMTP Error: The following recipients failed: ',
- 'signing' => 'Signing Error: ',
- 'smtp_connect_failed' => 'SMTP connect() failed.',
- 'smtp_error' => 'SMTP server error: ',
- 'variable_set' => 'Cannot set or reset variable: ',
- 'extension_missing' => 'Extension missing: '
- );
- if (empty($lang_path)) {
- // Calculate an absolute path so it can work if CWD is not here
- $lang_path = dirname(__FILE__). DIRECTORY_SEPARATOR . 'language'. DIRECTORY_SEPARATOR;
- }
- //Validate $langcode
- if (!preg_match('/^[a-z]{2}(?:_[a-zA-Z]{2})?$/', $langcode)) {
- $langcode = 'en';
- }
- $foundlang = true;
- $lang_file = $lang_path . 'phpmailer.lang-' . $langcode . '.php';
- // There is no English translation file
- if ($langcode != 'en') {
- // Make sure language file path is readable
- if (!self::isPermittedPath($lang_file) or !is_readable($lang_file)) {
- $foundlang = false;
- } else {
- // Overwrite language-specific strings.
- // This way we'll never have missing translation keys.
- $foundlang = include $lang_file;
- }
- }
- $this->language = $PHPMAILER_LANG;
- return (boolean)$foundlang; // Returns false if language not found
- }
-
- /**
- * Get the array of strings for the current language.
- * @return array
- */
- public function getTranslations()
- {
- return $this->language;
- }
-
- /**
- * Create recipient headers.
- * @access public
- * @param string $type
- * @param array $addr An array of recipient,
- * where each recipient is a 2-element indexed array with element 0 containing an address
- * and element 1 containing a name, like:
- * array(array('joe@example.com', 'Joe User'), array('zoe@example.com', 'Zoe User'))
- * @return string
- */
- public function addrAppend($type, $addr)
- {
- $addresses = array();
- foreach ($addr as $address) {
- $addresses[] = $this->addrFormat($address);
- }
- return $type . ': ' . implode(', ', $addresses) . $this->LE;
- }
-
- /**
- * Format an address for use in a message header.
- * @access public
- * @param array $addr A 2-element indexed array, element 0 containing an address, element 1 containing a name
- * like array('joe@example.com', 'Joe User')
- * @return string
- */
- public function addrFormat($addr)
- {
- if (empty($addr[1])) { // No name provided
- return $this->secureHeader($addr[0]);
- } else {
- return $this->encodeHeader($this->secureHeader($addr[1]), 'phrase') . ' <' . $this->secureHeader(
- $addr[0]
- ) . '>';
- }
- }
-
- /**
- * Word-wrap message.
- * For use with mailers that do not automatically perform wrapping
- * and for quoted-printable encoded messages.
- * Original written by philippe.
- * @param string $message The message to wrap
- * @param integer $length The line length to wrap to
- * @param boolean $qp_mode Whether to run in Quoted-Printable mode
- * @access public
- * @return string
- */
- public function wrapText($message, $length, $qp_mode = false)
- {
- if ($qp_mode) {
- $soft_break = sprintf(' =%s', $this->LE);
- } else {
- $soft_break = $this->LE;
- }
- // If utf-8 encoding is used, we will need to make sure we don't
- // split multibyte characters when we wrap
- $is_utf8 = (strtolower($this->CharSet) == 'utf-8');
- $lelen = strlen($this->LE);
- $crlflen = strlen(self::CRLF);
-
- $message = $this->fixEOL($message);
- //Remove a trailing line break
- if (substr($message, -$lelen) == $this->LE) {
- $message = substr($message, 0, -$lelen);
- }
-
- //Split message into lines
- $lines = explode($this->LE, $message);
- //Message will be rebuilt in here
- $message = '';
- foreach ($lines as $line) {
- $words = explode(' ', $line);
- $buf = '';
- $firstword = true;
- foreach ($words as $word) {
- if ($qp_mode and (strlen($word) > $length)) {
- $space_left = $length - strlen($buf) - $crlflen;
- if (!$firstword) {
- if ($space_left > 20) {
- $len = $space_left;
- if ($is_utf8) {
- $len = $this->utf8CharBoundary($word, $len);
- } elseif (substr($word, $len - 1, 1) == '=') {
- $len--;
- } elseif (substr($word, $len - 2, 1) == '=') {
- $len -= 2;
- }
- $part = substr($word, 0, $len);
- $word = substr($word, $len);
- $buf .= ' ' . $part;
- $message .= $buf . sprintf('=%s', self::CRLF);
- } else {
- $message .= $buf . $soft_break;
- }
- $buf = '';
- }
- while (strlen($word) > 0) {
- if ($length <= 0) {
- break;
- }
- $len = $length;
- if ($is_utf8) {
- $len = $this->utf8CharBoundary($word, $len);
- } elseif (substr($word, $len - 1, 1) == '=') {
- $len--;
- } elseif (substr($word, $len - 2, 1) == '=') {
- $len -= 2;
- }
- $part = substr($word, 0, $len);
- $word = substr($word, $len);
-
- if (strlen($word) > 0) {
- $message .= $part . sprintf('=%s', self::CRLF);
- } else {
- $buf = $part;
- }
- }
- } else {
- $buf_o = $buf;
- if (!$firstword) {
- $buf .= ' ';
- }
- $buf .= $word;
-
- if (strlen($buf) > $length and $buf_o != '') {
- $message .= $buf_o . $soft_break;
- $buf = $word;
- }
- }
- $firstword = false;
- }
- $message .= $buf . self::CRLF;
- }
-
- return $message;
- }
-
- /**
- * Find the last character boundary prior to $maxLength in a utf-8
- * quoted-printable encoded string.
- * Original written by Colin Brown.
- * @access public
- * @param string $encodedText utf-8 QP text
- * @param integer $maxLength Find the last character boundary prior to this length
- * @return integer
- */
- public function utf8CharBoundary($encodedText, $maxLength)
- {
- $foundSplitPos = false;
- $lookBack = 3;
- while (!$foundSplitPos) {
- $lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
- $encodedCharPos = strpos($lastChunk, '=');
- if (false !== $encodedCharPos) {
- // Found start of encoded character byte within $lookBack block.
- // Check the encoded byte value (the 2 chars after the '=')
- $hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
- $dec = hexdec($hex);
- if ($dec < 128) {
- // Single byte character.
- // If the encoded char was found at pos 0, it will fit
- // otherwise reduce maxLength to start of the encoded char
- if ($encodedCharPos > 0) {
- $maxLength = $maxLength - ($lookBack - $encodedCharPos);
- }
- $foundSplitPos = true;
- } elseif ($dec >= 192) {
- // First byte of a multi byte character
- // Reduce maxLength to split at start of character
- $maxLength = $maxLength - ($lookBack - $encodedCharPos);
- $foundSplitPos = true;
- } elseif ($dec < 192) {
- // Middle byte of a multi byte character, look further back
- $lookBack += 3;
- }
- } else {
- // No encoded character found
- $foundSplitPos = true;
- }
- }
- return $maxLength;
- }
-
- /**
- * Apply word wrapping to the message body.
- * Wraps the message body to the number of chars set in the WordWrap property.
- * You should only do this to plain-text bodies as wrapping HTML tags may break them.
- * This is called automatically by createBody(), so you don't need to call it yourself.
- * @access public
- * @return void
- */
- public function setWordWrap()
- {
- if ($this->WordWrap < 1) {
- return;
- }
-
- switch ($this->message_type) {
- case 'alt':
- case 'alt_inline':
- case 'alt_attach':
- case 'alt_inline_attach':
- $this->AltBody = $this->wrapText($this->AltBody, $this->WordWrap);
- break;
- default:
- $this->Body = $this->wrapText($this->Body, $this->WordWrap);
- break;
- }
- }
-
- /**
- * Assemble message headers.
- * @access public
- * @return string The assembled headers
- */
- public function createHeader()
- {
- $result = '';
-
- $result .= $this->headerLine('Date', $this->MessageDate == '' ? self::rfcDate() : $this->MessageDate);
-
- // To be created automatically by mail()
- if ($this->SingleTo) {
- if ($this->Mailer != 'mail') {
- foreach ($this->to as $toaddr) {
- $this->SingleToArray[] = $this->addrFormat($toaddr);
- }
- }
- } else {
- if (count($this->to) > 0) {
- if ($this->Mailer != 'mail') {
- $result .= $this->addrAppend('To', $this->to);
- }
- } elseif (count($this->cc) == 0) {
- $result .= $this->headerLine('To', 'undisclosed-recipients:;');
- }
- }
-
- $result .= $this->addrAppend('From', array(array(trim($this->From), $this->FromName)));
-
- // sendmail and mail() extract Cc from the header before sending
- if (count($this->cc) > 0) {
- $result .= $this->addrAppend('Cc', $this->cc);
- }
-
- // sendmail and mail() extract Bcc from the header before sending
- if ((
- $this->Mailer == 'sendmail' or $this->Mailer == 'qmail' or $this->Mailer == 'mail'
- )
- and count($this->bcc) > 0
- ) {
- $result .= $this->addrAppend('Bcc', $this->bcc);
- }
-
- if (count($this->ReplyTo) > 0) {
- $result .= $this->addrAppend('Reply-To', $this->ReplyTo);
- }
-
- // mail() sets the subject itself
- if ($this->Mailer != 'mail') {
- $result .= $this->headerLine('Subject', $this->encodeHeader($this->secureHeader($this->Subject)));
- }
-
- // Only allow a custom message ID if it conforms to RFC 5322 section 3.6.4
- // https://tools.ietf.org/html/rfc5322#section-3.6.4
- if ('' != $this->MessageID and preg_match('/^<.*@.*>$/', $this->MessageID)) {
- $this->lastMessageID = $this->MessageID;
- } else {
- $this->lastMessageID = sprintf('<%s@%s>', $this->uniqueid, $this->serverHostname());
- }
- $result .= $this->headerLine('Message-ID', $this->lastMessageID);
- if (!is_null($this->Priority)) {
- $result .= $this->headerLine('X-Priority', $this->Priority);
- }
- if ($this->XMailer == '') {
- $result .= $this->headerLine(
- 'X-Mailer',
- 'PHPMailer ' . $this->Version . ' (https://github.com/PHPMailer/PHPMailer)'
- );
- } else {
- $myXmailer = trim($this->XMailer);
- if ($myXmailer) {
- $result .= $this->headerLine('X-Mailer', $myXmailer);
- }
- }
-
- if ($this->ConfirmReadingTo != '') {
- $result .= $this->headerLine('Disposition-Notification-To', '<' . $this->ConfirmReadingTo . '>');
- }
-
- // Add custom headers
- foreach ($this->CustomHeader as $header) {
- $result .= $this->headerLine(
- trim($header[0]),
- $this->encodeHeader(trim($header[1]))
- );
- }
- if (!$this->sign_key_file) {
- $result .= $this->headerLine('MIME-Version', '1.0');
- $result .= $this->getMailMIME();
- }
-
- return $result;
- }
-
- /**
- * Get the message MIME type headers.
- * @access public
- * @return string
- */
- public function getMailMIME()
- {
- $result = '';
- $ismultipart = true;
- switch ($this->message_type) {
- case 'inline':
- $result .= $this->headerLine('Content-Type', 'multipart/related;');
- $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
- break;
- case 'attach':
- case 'inline_attach':
- case 'alt_attach':
- case 'alt_inline_attach':
- $result .= $this->headerLine('Content-Type', 'multipart/mixed;');
- $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
- break;
- case 'alt':
- case 'alt_inline':
- $result .= $this->headerLine('Content-Type', 'multipart/alternative;');
- $result .= $this->textLine("\tboundary=\"" . $this->boundary[1] . '"');
- break;
- default:
- // Catches case 'plain': and case '':
- $result .= $this->textLine('Content-Type: ' . $this->ContentType . '; charset=' . $this->CharSet);
- $ismultipart = false;
- break;
- }
- // RFC1341 part 5 says 7bit is assumed if not specified
- if ($this->Encoding != '7bit') {
- // RFC 2045 section 6.4 says multipart MIME parts may only use 7bit, 8bit or binary CTE
- if ($ismultipart) {
- if ($this->Encoding == '8bit') {
- $result .= $this->headerLine('Content-Transfer-Encoding', '8bit');
- }
- // The only remaining alternatives are quoted-printable and base64, which are both 7bit compatible
- } else {
- $result .= $this->headerLine('Content-Transfer-Encoding', $this->Encoding);
- }
- }
-
- if ($this->Mailer != 'mail') {
- $result .= $this->LE;
- }
-
- return $result;
- }
-
- /**
- * Returns the whole MIME message.
- * Includes complete headers and body.
- * Only valid post preSend().
- * @see PHPMailer::preSend()
- * @access public
- * @return string
- */
- public function getSentMIMEMessage()
- {
- return rtrim($this->MIMEHeader . $this->mailHeader, "\n\r") . self::CRLF . self::CRLF . $this->MIMEBody;
- }
-
- /**
- * Create unique ID
- * @return string
- */
- protected function generateId() {
- return md5(uniqid(time()));
- }
-
- /**
- * Assemble the message body.
- * Returns an empty string on failure.
- * @access public
- * @throws phpmailerException
- * @return string The assembled message body
- */
- public function createBody()
- {
- $body = '';
- //Create unique IDs and preset boundaries
- $this->uniqueid = $this->generateId();
- $this->boundary[1] = 'b1_' . $this->uniqueid;
- $this->boundary[2] = 'b2_' . $this->uniqueid;
- $this->boundary[3] = 'b3_' . $this->uniqueid;
-
- if ($this->sign_key_file) {
- $body .= $this->getMailMIME() . $this->LE;
- }
-
- $this->setWordWrap();
-
- $bodyEncoding = $this->Encoding;
- $bodyCharSet = $this->CharSet;
- //Can we do a 7-bit downgrade?
- if ($bodyEncoding == '8bit' and !$this->has8bitChars($this->Body)) {
- $bodyEncoding = '7bit';
- //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
- $bodyCharSet = 'us-ascii';
- }
- //If lines are too long, and we're not already using an encoding that will shorten them,
- //change to quoted-printable transfer encoding for the body part only
- if ('base64' != $this->Encoding and self::hasLineLongerThanMax($this->Body)) {
- $bodyEncoding = 'quoted-printable';
- }
-
- $altBodyEncoding = $this->Encoding;
- $altBodyCharSet = $this->CharSet;
- //Can we do a 7-bit downgrade?
- if ($altBodyEncoding == '8bit' and !$this->has8bitChars($this->AltBody)) {
- $altBodyEncoding = '7bit';
- //All ISO 8859, Windows codepage and UTF-8 charsets are ascii compatible up to 7-bit
- $altBodyCharSet = 'us-ascii';
- }
- //If lines are too long, and we're not already using an encoding that will shorten them,
- //change to quoted-printable transfer encoding for the alt body part only
- if ('base64' != $altBodyEncoding and self::hasLineLongerThanMax($this->AltBody)) {
- $altBodyEncoding = 'quoted-printable';
- }
- //Use this as a preamble in all multipart message types
- $mimepre = "This is a multi-part message in MIME format." . $this->LE . $this->LE;
- switch ($this->message_type) {
- case 'inline':
- $body .= $mimepre;
- $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->attachAll('inline', $this->boundary[1]);
- break;
- case 'attach':
- $body .= $mimepre;
- $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, '', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->attachAll('attachment', $this->boundary[1]);
- break;
- case 'inline_attach':
- $body .= $mimepre;
- $body .= $this->textLine('--' . $this->boundary[1]);
- $body .= $this->headerLine('Content-Type', 'multipart/related;');
- $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
- $body .= $this->LE;
- $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, '', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->attachAll('inline', $this->boundary[2]);
- $body .= $this->LE;
- $body .= $this->attachAll('attachment', $this->boundary[1]);
- break;
- case 'alt':
- $body .= $mimepre;
- $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->getBoundary($this->boundary[1], $bodyCharSet, 'text/html', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- if (!empty($this->Ical)) {
- $body .= $this->getBoundary($this->boundary[1], '', 'text/calendar; method=REQUEST', '');
- $body .= $this->encodeString($this->Ical, $this->Encoding);
- $body .= $this->LE . $this->LE;
- }
- $body .= $this->endBoundary($this->boundary[1]);
- break;
- case 'alt_inline':
- $body .= $mimepre;
- $body .= $this->getBoundary($this->boundary[1], $altBodyCharSet, 'text/plain', $altBodyEncoding);
- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->textLine('--' . $this->boundary[1]);
- $body .= $this->headerLine('Content-Type', 'multipart/related;');
- $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
- $body .= $this->LE;
- $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->attachAll('inline', $this->boundary[2]);
- $body .= $this->LE;
- $body .= $this->endBoundary($this->boundary[1]);
- break;
- case 'alt_attach':
- $body .= $mimepre;
- $body .= $this->textLine('--' . $this->boundary[1]);
- $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
- $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
- $body .= $this->LE;
- $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->getBoundary($this->boundary[2], $bodyCharSet, 'text/html', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->endBoundary($this->boundary[2]);
- $body .= $this->LE;
- $body .= $this->attachAll('attachment', $this->boundary[1]);
- break;
- case 'alt_inline_attach':
- $body .= $mimepre;
- $body .= $this->textLine('--' . $this->boundary[1]);
- $body .= $this->headerLine('Content-Type', 'multipart/alternative;');
- $body .= $this->textLine("\tboundary=\"" . $this->boundary[2] . '"');
- $body .= $this->LE;
- $body .= $this->getBoundary($this->boundary[2], $altBodyCharSet, 'text/plain', $altBodyEncoding);
- $body .= $this->encodeString($this->AltBody, $altBodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->textLine('--' . $this->boundary[2]);
- $body .= $this->headerLine('Content-Type', 'multipart/related;');
- $body .= $this->textLine("\tboundary=\"" . $this->boundary[3] . '"');
- $body .= $this->LE;
- $body .= $this->getBoundary($this->boundary[3], $bodyCharSet, 'text/html', $bodyEncoding);
- $body .= $this->encodeString($this->Body, $bodyEncoding);
- $body .= $this->LE . $this->LE;
- $body .= $this->attachAll('inline', $this->boundary[3]);
- $body .= $this->LE;
- $body .= $this->endBoundary($this->boundary[2]);
- $body .= $this->LE;
- $body .= $this->attachAll('attachment', $this->boundary[1]);
- break;
- default:
- // Catch case 'plain' and case '', applies to simple `text/plain` and `text/html` body content types
- //Reset the `Encoding` property in case we changed it for line length reasons
- $this->Encoding = $bodyEncoding;
- $body .= $this->encodeString($this->Body, $this->Encoding);
- break;
- }
-
- if ($this->isError()) {
- $body = '';
- } elseif ($this->sign_key_file) {
- try {
- if (!defined('PKCS7_TEXT')) {
- throw new phpmailerException($this->lang('extension_missing') . 'openssl');
- }
- // @TODO would be nice to use php://temp streams here, but need to wrap for PHP < 5.1
- $file = tempnam(sys_get_temp_dir(), 'mail');
- if (false === file_put_contents($file, $body)) {
- throw new phpmailerException($this->lang('signing') . ' Could not write temp file');
- }
- $signed = tempnam(sys_get_temp_dir(), 'signed');
- //Workaround for PHP bug https://bugs.php.net/bug.php?id=69197
- if (empty($this->sign_extracerts_file)) {
- $sign = @openssl_pkcs7_sign(
- $file,
- $signed,
- 'file://' . realpath($this->sign_cert_file),
- array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
- null
- );
- } else {
- $sign = @openssl_pkcs7_sign(
- $file,
- $signed,
- 'file://' . realpath($this->sign_cert_file),
- array('file://' . realpath($this->sign_key_file), $this->sign_key_pass),
- null,
- PKCS7_DETACHED,
- $this->sign_extracerts_file
- );
- }
- if ($sign) {
- @unlink($file);
- $body = file_get_contents($signed);
- @unlink($signed);
- //The message returned by openssl contains both headers and body, so need to split them up
- $parts = explode("\n\n", $body, 2);
- $this->MIMEHeader .= $parts[0] . $this->LE . $this->LE;
- $body = $parts[1];
- } else {
- @unlink($file);
- @unlink($signed);
- throw new phpmailerException($this->lang('signing') . openssl_error_string());
- }
- } catch (phpmailerException $exc) {
- $body = '';
- if ($this->exceptions) {
- throw $exc;
- }
- }
- }
- return $body;
- }
-
- /**
- * Return the start of a message boundary.
- * @access protected
- * @param string $boundary
- * @param string $charSet
- * @param string $contentType
- * @param string $encoding
- * @return string
- */
- protected function getBoundary($boundary, $charSet, $contentType, $encoding)
- {
- $result = '';
- if ($charSet == '') {
- $charSet = $this->CharSet;
- }
- if ($contentType == '') {
- $contentType = $this->ContentType;
- }
- if ($encoding == '') {
- $encoding = $this->Encoding;
- }
- $result .= $this->textLine('--' . $boundary);
- $result .= sprintf('Content-Type: %s; charset=%s', $contentType, $charSet);
- $result .= $this->LE;
- // RFC1341 part 5 says 7bit is assumed if not specified
- if ($encoding != '7bit') {
- $result .= $this->headerLine('Content-Transfer-Encoding', $encoding);
- }
- $result .= $this->LE;
-
- return $result;
- }
-
- /**
- * Return the end of a message boundary.
- * @access protected
- * @param string $boundary
- * @return string
- */
- protected function endBoundary($boundary)
- {
- return $this->LE . '--' . $boundary . '--' . $this->LE;
- }
-
- /**
- * Set the message type.
- * PHPMailer only supports some preset message types, not arbitrary MIME structures.
- * @access protected
- * @return void
- */
- protected function setMessageType()
- {
- $type = array();
- if ($this->alternativeExists()) {
- $type[] = 'alt';
- }
- if ($this->inlineImageExists()) {
- $type[] = 'inline';
- }
- if ($this->attachmentExists()) {
- $type[] = 'attach';
- }
- $this->message_type = implode('_', $type);
- if ($this->message_type == '') {
- //The 'plain' message_type refers to the message having a single body element, not that it is plain-text
- $this->message_type = 'plain';
- }
- }
-
- /**
- * Format a header line.
- * @access public
- * @param string $name
- * @param string $value
- * @return string
- */
- public function headerLine($name, $value)
- {
- return $name . ': ' . $value . $this->LE;
- }
-
- /**
- * Return a formatted mail line.
- * @access public
- * @param string $value
- * @return string
- */
- public function textLine($value)
- {
- return $value . $this->LE;
- }
-
- /**
- * Add an attachment from a path on the filesystem.
- * Never use a user-supplied path to a file!
- * Returns false if the file could not be found or read.
- * Explicitly *does not* support passing URLs; PHPMailer is not an HTTP client.
- * If you need to do that, fetch the resource yourself and pass it in via a local file or string.
- * @param string $path Path to the attachment.
- * @param string $name Overrides the attachment name.
- * @param string $encoding File encoding (see $Encoding).
- * @param string $type File extension (MIME) type.
- * @param string $disposition Disposition to use
- * @throws phpmailerException
- * @return boolean
- */
- public function addAttachment($path, $name = '', $encoding = 'base64', $type = '', $disposition = 'attachment')
- {
- try {
- if (!self::isPermittedPath($path) or !@is_file($path)) {
- throw new phpmailerException($this->lang('file_access') . $path, self::STOP_CONTINUE);
- }
-
- // If a MIME type is not specified, try to work it out from the file name
- if ($type == '') {
- $type = self::filenameToType($path);
- }
-
- $filename = basename($path);
- if ($name == '') {
- $name = $filename;
- }
-
- $this->attachment[] = array(
- 0 => $path,
- 1 => $filename,
- 2 => $name,
- 3 => $encoding,
- 4 => $type,
- 5 => false, // isStringAttachment
- 6 => $disposition,
- 7 => 0
- );
-
- } catch (phpmailerException $exc) {
- $this->setError($exc->getMessage());
- $this->edebug($exc->getMessage());
- if ($this->exceptions) {
- throw $exc;
- }
- return false;
- }
- return true;
- }
-
- /**
- * Return the array of attachments.
- * @return array
- */
- public function getAttachments()
- {
- return $this->attachment;
- }
-
- /**
- * Attach all file, string, and binary attachments to the message.
- * Returns an empty string on failure.
- * @access protected
- * @param string $disposition_type
- * @param string $boundary
- * @return string
- */
- protected function attachAll($disposition_type, $boundary)
- {
- // Return text of body
- $mime = array();
- $cidUniq = array();
- $incl = array();
-
- // Add all attachments
- foreach ($this->attachment as $attachment) {
- // Check if it is a valid disposition_filter
- if ($attachment[6] == $disposition_type) {
- // Check for string attachment
- $string = '';
- $path = '';
- $bString = $attachment[5];
- if ($bString) {
- $string = $attachment[0];
- } else {
- $path = $attachment[0];
- }
-
- $inclhash = md5(serialize($attachment));
- if (in_array($inclhash, $incl)) {
- continue;
- }
- $incl[] = $inclhash;
- $name = $attachment[2];
- $encoding = $attachment[3];
- $type = $attachment[4];
- $disposition = $attachment[6];
- $cid = $attachment[7];
- if ($disposition == 'inline' && array_key_exists($cid, $cidUniq)) {
- continue;
- }
- $cidUniq[$cid] = true;
-
- $mime[] = sprintf('--%s%s', $boundary, $this->LE);
- //Only include a filename property if we have one
- if (!empty($name)) {
- $mime[] = sprintf(
- 'Content-Type: %s; name="%s"%s',
- $type,
- $this->encodeHeader($this->secureHeader($name)),
- $this->LE
- );
- } else {
- $mime[] = sprintf(
- 'Content-Type: %s%s',
- $type,
- $this->LE
- );
- }
- // RFC1341 part 5 says 7bit is assumed if not specified
- if ($encoding != '7bit') {
- $mime[] = sprintf('Content-Transfer-Encoding: %s%s', $encoding, $this->LE);
- }
-
- if ($disposition == 'inline') {
- $mime[] = sprintf('Content-ID: <%s>%s', $cid, $this->LE);
- }
-
- // If a filename contains any of these chars, it should be quoted,
- // but not otherwise: RFC2183 & RFC2045 5.1
- // Fixes a warning in IETF's msglint MIME checker
- // Allow for bypassing the Content-Disposition header totally
- if (!(empty($disposition))) {
- $encoded_name = $this->encodeHeader($this->secureHeader($name));
- if (preg_match('/[ \(\)<>@,;:\\"\/\[\]\?=]/', $encoded_name)) {
- $mime[] = sprintf(
- 'Content-Disposition: %s; filename="%s"%s',
- $disposition,
- $encoded_name,
- $this->LE . $this->LE
- );
- } else {
- if (!empty($encoded_name)) {
- $mime[] = sprintf(
- 'Content-Disposition: %s; filename=%s%s',
- $disposition,
- $encoded_name,
- $this->LE . $this->LE
- );
- } else {
- $mime[] = sprintf(
- 'Content-Disposition: %s%s',
- $disposition,
- $this->LE . $this->LE
- );
- }
- }
- } else {
- $mime[] = $this->LE;
- }
-
- // Encode as string attachment
- if ($bString) {
- $mime[] = $this->encodeString($string, $encoding);
- if ($this->isError()) {
- return '';
- }
- $mime[] = $this->LE . $this->LE;
- } else {
- $mime[] = $this->encodeFile($path, $encoding);
- if ($this->isError()) {
- return '';
- }
- $mime[] = $this->LE . $this->LE;
- }
- }
- }
-
- $mime[] = sprintf('--%s--%s', $boundary, $this->LE);
-
- return implode('', $mime);
- }
-
- /**
- * Encode a file attachment in requested format.
- * Returns an empty string on failure.
- * @param string $path The full path to the file
- * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
- * @throws phpmailerException
- * @access protected
- * @return string
- */
- protected function encodeFile($path, $encoding = 'base64')
- {
- try {
- if (!self::isPermittedPath($path) or !file_exists($path)) {
- throw new phpmailerException($this->lang('file_open') . $path, self::STOP_CONTINUE);
- }
- $magic_quotes = ( PHP_VERSION_ID < 70400 && get_magic_quotes_runtime() ); // WP: Patched for PHP 7.4.
- if ($magic_quotes) {
- if (version_compare(PHP_VERSION, '5.3.0', '<')) {
- set_magic_quotes_runtime(false);
- } else {
- //Doesn't exist in PHP 5.4, but we don't need to check because
- //get_magic_quotes_runtime always returns false in 5.4+
- //so it will never get here
- ini_set('magic_quotes_runtime', false);
- }
- }
- $file_buffer = file_get_contents($path);
- $file_buffer = $this->encodeString($file_buffer, $encoding);
- if ($magic_quotes) {
- if (version_compare(PHP_VERSION, '5.3.0', '<')) {
- set_magic_quotes_runtime($magic_quotes);
- } else {
- ini_set('magic_quotes_runtime', $magic_quotes);
- }
- }
- return $file_buffer;
- } catch (Exception $exc) {
- $this->setError($exc->getMessage());
- return '';
- }
- }
-
- /**
- * Encode a string in requested format.
- * Returns an empty string on failure.
- * @param string $str The text to encode
- * @param string $encoding The encoding to use; one of 'base64', '7bit', '8bit', 'binary', 'quoted-printable'
- * @access public
- * @return string
- */
- public function encodeString($str, $encoding = 'base64')
- {
- $encoded = '';
- switch (strtolower($encoding)) {
- case 'base64':
- $encoded = chunk_split(base64_encode($str), 76, $this->LE);
- break;
- case '7bit':
- case '8bit':
- $encoded = $this->fixEOL($str);
- // Make sure it ends with a line break
- if (substr($encoded, -(strlen($this->LE))) != $this->LE) {
- $encoded .= $this->LE;
- }
- break;
- case 'binary':
- $encoded = $str;
- break;
- case 'quoted-printable':
- $encoded = $this->encodeQP($str);
- break;
- default:
- $this->setError($this->lang('encoding') . $encoding);
- break;
- }
- return $encoded;
- }
-
- /**
- * Encode a header string optimally.
- * Picks shortest of Q, B, quoted-printable or none.
- * @access public
- * @param string $str
- * @param string $position
- * @return string
- */
- public function encodeHeader($str, $position = 'text')
- {
- $matchcount = 0;
- switch (strtolower($position)) {
- case 'phrase':
- if (!preg_match('/[\200-\377]/', $str)) {
- // Can't use addslashes as we don't know the value of magic_quotes_sybase
- $encoded = addcslashes($str, "\0..\37\177\\\"");
- if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str)) {
- return ($encoded);
- } else {
- return ("\"$encoded\"");
- }
- }
- $matchcount = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
- break;
- /** @noinspection PhpMissingBreakStatementInspection */
- case 'comment':
- $matchcount = preg_match_all('/[()"]/', $str, $matches);
- // Intentional fall-through
- case 'text':
- default:
- $matchcount += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
- break;
- }
-
- //There are no chars that need encoding
- if ($matchcount == 0) {
- return ($str);
- }
-
- $maxlen = 75 - 7 - strlen($this->CharSet);
- // Try to select the encoding which should produce the shortest output
- if ($matchcount > strlen($str) / 3) {
- // More than a third of the content will need encoding, so B encoding will be most efficient
- $encoding = 'B';
- if (function_exists('mb_strlen') && $this->hasMultiBytes($str)) {
- // Use a custom function which correctly encodes and wraps long
- // multibyte strings without breaking lines within a character
- $encoded = $this->base64EncodeWrapMB($str, "\n");
- } else {
- $encoded = base64_encode($str);
- $maxlen -= $maxlen % 4;
- $encoded = trim(chunk_split($encoded, $maxlen, "\n"));
- }
- } else {
- $encoding = 'Q';
- $encoded = $this->encodeQ($str, $position);
- $encoded = $this->wrapText($encoded, $maxlen, true);
- $encoded = str_replace('=' . self::CRLF, "\n", trim($encoded));
- }
-
- $encoded = preg_replace('/^(.*)$/m', ' =?' . $this->CharSet . "?$encoding?\\1?=", $encoded);
- $encoded = trim(str_replace("\n", $this->LE, $encoded));
-
- return $encoded;
- }
-
- /**
- * Check if a string contains multi-byte characters.
- * @access public
- * @param string $str multi-byte text to wrap encode
- * @return boolean
- */
- public function hasMultiBytes($str)
- {
- if (function_exists('mb_strlen')) {
- return (strlen($str) > mb_strlen($str, $this->CharSet));
- } else { // Assume no multibytes (we can't handle without mbstring functions anyway)
- return false;
- }
- }
-
- /**
- * Does a string contain any 8-bit chars (in any charset)?
- * @param string $text
- * @return boolean
- */
- public function has8bitChars($text)
- {
- return (boolean)preg_match('/[\x80-\xFF]/', $text);
- }
-
- /**
- * Encode and wrap long multibyte strings for mail headers
- * without breaking lines within a character.
- * Adapted from a function by paravoid
- * @link http://www.php.net/manual/en/function.mb-encode-mimeheader.php#60283
- * @access public
- * @param string $str multi-byte text to wrap encode
- * @param string $linebreak string to use as linefeed/end-of-line
- * @return string
- */
- public function base64EncodeWrapMB($str, $linebreak = null)
- {
- $start = '=?' . $this->CharSet . '?B?';
- $end = '?=';
- $encoded = '';
- if ($linebreak === null) {
- $linebreak = $this->LE;
- }
-
- $mb_length = mb_strlen($str, $this->CharSet);
- // Each line must have length <= 75, including $start and $end
- $length = 75 - strlen($start) - strlen($end);
- // Average multi-byte ratio
- $ratio = $mb_length / strlen($str);
- // Base64 has a 4:3 ratio
- $avgLength = floor($length * $ratio * .75);
-
- for ($i = 0; $i < $mb_length; $i += $offset) {
- $lookBack = 0;
- do {
- $offset = $avgLength - $lookBack;
- $chunk = mb_substr($str, $i, $offset, $this->CharSet);
- $chunk = base64_encode($chunk);
- $lookBack++;
- } while (strlen($chunk) > $length);
- $encoded .= $chunk . $linebreak;
- }
-
- // Chomp the last linefeed
- $encoded = substr($encoded, 0, -strlen($linebreak));
- return $encoded;
- }
-
- /**
- * Encode a string in quoted-printable format.
- * According to RFC2045 section 6.7.
- * @access public
- * @param string $string The text to encode
- * @param integer $line_max Number of chars allowed on a line before wrapping
- * @return string
- * @link http://www.php.net/manual/en/function.quoted-printable-decode.php#89417 Adapted from this comment
- */
- public function encodeQP($string, $line_max = 76)
- {
- // Use native function if it's available (>= PHP5.3)
- if (function_exists('quoted_printable_encode')) {
- return quoted_printable_encode($string);
- }
- // Fall back to a pure PHP implementation
- $string = str_replace(
- array('%20', '%0D%0A.', '%0D%0A', '%'),
- array(' ', "\r\n=2E", "\r\n", '='),
- rawurlencode($string)
- );
- return preg_replace('/[^\r\n]{' . ($line_max - 3) . '}[^=\r\n]{2}/', "$0=\r\n", $string);
- }
-
- /**
- * Backward compatibility wrapper for an old QP encoding function that was removed.
- * @see PHPMailer::encodeQP()
- * @access public
- * @param string $string
- * @param integer $line_max
- * @param boolean $space_conv
- * @return string
- * @deprecated Use encodeQP instead.
- */
- public function encodeQPphp(
- $string,
- $line_max = 76,
- /** @noinspection PhpUnusedParameterInspection */ $space_conv = false
- ) {
- return $this->encodeQP($string, $line_max);
- }
-
- /**
- * Encode a string using Q encoding.
- * @link http://tools.ietf.org/html/rfc2047
- * @param string $str the text to encode
- * @param string $position Where the text is going to be used, see the RFC for what that means
- * @access public
- * @return string
- */
- public function encodeQ($str, $position = 'text')
- {
- // There should not be any EOL in the string
- $pattern = '';
- $encoded = str_replace(array("\r", "\n"), '', $str);
- switch (strtolower($position)) {
- case 'phrase':
- // RFC 2047 section 5.3
- $pattern = '^A-Za-z0-9!*+\/ -';
- break;
- /** @noinspection PhpMissingBreakStatementInspection */
- case 'comment':
- // RFC 2047 section 5.2
- $pattern = '\(\)"';
- // intentional fall-through
- // for this reason we build the $pattern without including delimiters and []
- case 'text':
- default:
- // RFC 2047 section 5.1
- // Replace every high ascii, control, =, ? and _ characters
- $pattern = '\000-\011\013\014\016-\037\075\077\137\177-\377' . $pattern;
- break;
- }
- $matches = array();
- if (preg_match_all("/[{$pattern}]/", $encoded, $matches)) {
- // If the string contains an '=', make sure it's the first thing we replace
- // so as to avoid double-encoding
- $eqkey = array_search('=', $matches[0]);
- if (false !== $eqkey) {
- unset($matches[0][$eqkey]);
- array_unshift($matches[0], '=');
- }
- foreach (array_unique($matches[0]) as $char) {
- $encoded = str_replace($char, '=' . sprintf('%02X', ord($char)), $encoded);
- }
- }
- // Replace every spaces to _ (more readable than =20)
- return str_replace(' ', '_', $encoded);
- }
-
- /**
- * Add a string or binary attachment (non-filesystem).
- * This method can be used to attach ascii or binary data,
- * such as a BLOB record from a database.
- * @param string $string String attachment data.
- * @param string $filename Name of the attachment.
- * @param string $encoding File encoding (see $Encoding).
- * @param string $type File extension (MIME) type.
- * @param string $disposition Disposition to use
- * @return void
- */
- public function addStringAttachment(
- $string,
- $filename,
- $encoding = 'base64',
- $type = '',
- $disposition = 'attachment'
- ) {
- // If a MIME type is not specified, try to work it out from the file name
- if ($type == '') {
- $type = self::filenameToType($filename);
- }
- // Append to $attachment array
- $this->attachment[] = array(
- 0 => $string,
- 1 => $filename,
- 2 => basename($filename),
- 3 => $encoding,
- 4 => $type,
- 5 => true, // isStringAttachment
- 6 => $disposition,
- 7 => 0
- );
- }
-
- /**
- * Add an embedded (inline) attachment from a file.
- * This can include images, sounds, and just about any other document type.
- * These differ from 'regular' attachments in that they are intended to be
- * displayed inline with the message, not just attached for download.
- * This is used in HTML messages that embed the images
- * the HTML refers to using the $cid value.
- * Never use a user-supplied path to a file!
- * @param string $path Path to the attachment.
- * @param string $cid Content ID of the attachment; Use this to reference
- * the content when using an embedded image in HTML.
- * @param string $name Overrides the attachment name.
- * @param string $encoding File encoding (see $Encoding).
- * @param string $type File MIME type.
- * @param string $disposition Disposition to use
- * @return boolean True on successfully adding an attachment
- */
- public function addEmbeddedImage($path, $cid, $name = '', $encoding = 'base64', $type = '', $disposition = 'inline')
- {
- if (!self::isPermittedPath($path) or !@is_file($path)) {
- $this->setError($this->lang('file_access') . $path);
- return false;
- }
-
- // If a MIME type is not specified, try to work it out from the file name
- if ($type == '') {
- $type = self::filenameToType($path);
- }
-
- $filename = basename($path);
- if ($name == '') {
- $name = $filename;
- }
-
- // Append to $attachment array
- $this->attachment[] = array(
- 0 => $path,
- 1 => $filename,
- 2 => $name,
- 3 => $encoding,
- 4 => $type,
- 5 => false, // isStringAttachment
- 6 => $disposition,
- 7 => $cid
- );
- return true;
- }
-
- /**
- * Add an embedded stringified attachment.
- * This can include images, sounds, and just about any other document type.
- * Be sure to set the $type to an image type for images:
- * JPEG images use 'image/jpeg', GIF uses 'image/gif', PNG uses 'image/png'.
- * @param string $string The attachment binary data.
- * @param string $cid Content ID of the attachment; Use this to reference
- * the content when using an embedded image in HTML.
- * @param string $name
- * @param string $encoding File encoding (see $Encoding).
- * @param string $type MIME type.
- * @param string $disposition Disposition to use
- * @return boolean True on successfully adding an attachment
- */
- public function addStringEmbeddedImage(
- $string,
- $cid,
- $name = '',
- $encoding = 'base64',
- $type = '',
- $disposition = 'inline'
- ) {
- // If a MIME type is not specified, try to work it out from the name
- if ($type == '' and !empty($name)) {
- $type = self::filenameToType($name);
- }
-
- // Append to $attachment array
- $this->attachment[] = array(
- 0 => $string,
- 1 => $name,
- 2 => $name,
- 3 => $encoding,
- 4 => $type,
- 5 => true, // isStringAttachment
- 6 => $disposition,
- 7 => $cid
- );
- return true;
- }
-
- /**
- * Check if an inline attachment is present.
- * @access public
- * @return boolean
- */
- public function inlineImageExists()
- {
- foreach ($this->attachment as $attachment) {
- if ($attachment[6] == 'inline') {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Check if an attachment (non-inline) is present.
- * @return boolean
- */
- public function attachmentExists()
- {
- foreach ($this->attachment as $attachment) {
- if ($attachment[6] == 'attachment') {
- return true;
- }
- }
- return false;
- }
-
- /**
- * Check if this message has an alternative body set.
- * @return boolean
- */
- public function alternativeExists()
- {
- return !empty($this->AltBody);
- }
-
- /**
- * Clear queued addresses of given kind.
- * @access protected
- * @param string $kind 'to', 'cc', or 'bcc'
- * @return void
- */
- public function clearQueuedAddresses($kind)
- {
- $RecipientsQueue = $this->RecipientsQueue;
- foreach ($RecipientsQueue as $address => $params) {
- if ($params[0] == $kind) {
- unset($this->RecipientsQueue[$address]);
- }
- }
- }
-
- /**
- * Clear all To recipients.
- * @return void
- */
- public function clearAddresses()
- {
- foreach ($this->to as $to) {
- unset($this->all_recipients[strtolower($to[0])]);
- }
- $this->to = array();
- $this->clearQueuedAddresses('to');
- }
-
- /**
- * Clear all CC recipients.
- * @return void
- */
- public function clearCCs()
- {
- foreach ($this->cc as $cc) {
- unset($this->all_recipients[strtolower($cc[0])]);
- }
- $this->cc = array();
- $this->clearQueuedAddresses('cc');
- }
-
- /**
- * Clear all BCC recipients.
- * @return void
- */
- public function clearBCCs()
- {
- foreach ($this->bcc as $bcc) {
- unset($this->all_recipients[strtolower($bcc[0])]);
- }
- $this->bcc = array();
- $this->clearQueuedAddresses('bcc');
- }
-
- /**
- * Clear all ReplyTo recipients.
- * @return void
- */
- public function clearReplyTos()
- {
- $this->ReplyTo = array();
- $this->ReplyToQueue = array();
- }
-
- /**
- * Clear all recipient types.
- * @return void
- */
- public function clearAllRecipients()
- {
- $this->to = array();
- $this->cc = array();
- $this->bcc = array();
- $this->all_recipients = array();
- $this->RecipientsQueue = array();
- }
-
- /**
- * Clear all filesystem, string, and binary attachments.
- * @return void
- */
- public function clearAttachments()
- {
- $this->attachment = array();
- }
-
- /**
- * Clear all custom headers.
- * @return void
- */
- public function clearCustomHeaders()
- {
- $this->CustomHeader = array();
- }
-
- /**
- * Add an error message to the error container.
- * @access protected
- * @param string $msg
- * @return void
- */
- protected function setError($msg)
- {
- $this->error_count++;
- if ($this->Mailer == 'smtp' and !is_null($this->smtp)) {
- $lasterror = $this->smtp->getError();
- if (!empty($lasterror['error'])) {
- $msg .= $this->lang('smtp_error') . $lasterror['error'];
- if (!empty($lasterror['detail'])) {
- $msg .= ' Detail: '. $lasterror['detail'];
- }
- if (!empty($lasterror['smtp_code'])) {
- $msg .= ' SMTP code: ' . $lasterror['smtp_code'];
- }
- if (!empty($lasterror['smtp_code_ex'])) {
- $msg .= ' Additional SMTP info: ' . $lasterror['smtp_code_ex'];
- }
- }
- }
- $this->ErrorInfo = $msg;
- }
-
- /**
- * Return an RFC 822 formatted date.
- * @access public
- * @return string
- * @static
- */
- public static function rfcDate()
- {
- // Set the time zone to whatever the default is to avoid 500 errors
- // Will default to UTC if it's not set properly in php.ini
- date_default_timezone_set(@date_default_timezone_get());
- return date('D, j M Y H:i:s O');
- }
-
- /**
- * Get the server hostname.
- * Returns 'localhost.localdomain' if unknown.
- * @access protected
- * @return string
- */
- protected function serverHostname()
- {
- $result = 'localhost.localdomain';
- if (!empty($this->Hostname)) {
- $result = $this->Hostname;
- } elseif (isset($_SERVER) and array_key_exists('SERVER_NAME', $_SERVER) and !empty($_SERVER['SERVER_NAME'])) {
- $result = $_SERVER['SERVER_NAME'];
- } elseif (function_exists('gethostname') && gethostname() !== false) {
- $result = gethostname();
- } elseif (php_uname('n') !== false) {
- $result = php_uname('n');
- }
- return $result;
- }
-
- /**
- * Get an error message in the current language.
- * @access protected
- * @param string $key
- * @return string
- */
- protected function lang($key)
- {
- if (count($this->language) < 1) {
- $this->setLanguage('en'); // set the default language
- }
-
- if (array_key_exists($key, $this->language)) {
- if ($key == 'smtp_connect_failed') {
- //Include a link to troubleshooting docs on SMTP connection failure
- //this is by far the biggest cause of support questions
- //but it's usually not PHPMailer's fault.
- return $this->language[$key] . ' https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting';
- }
- return $this->language[$key];
- } else {
- //Return the key as a fallback
- return $key;
- }
- }
-
- /**
- * Check if an error occurred.
- * @access public
- * @return boolean True if an error did occur.
- */
- public function isError()
- {
- return ($this->error_count > 0);
- }
-
- /**
- * Ensure consistent line endings in a string.
- * Changes every end of line from CRLF, CR or LF to $this->LE.
- * @access public
- * @param string $str String to fixEOL
- * @return string
- */
- public function fixEOL($str)
- {
- // Normalise to \n
- $nstr = str_replace(array("\r\n", "\r"), "\n", $str);
- // Now convert LE as needed
- if ($this->LE !== "\n") {
- $nstr = str_replace("\n", $this->LE, $nstr);
- }
- return $nstr;
- }
-
- /**
- * Add a custom header.
- * $name value can be overloaded to contain
- * both header name and value (name:value)
- * @access public
- * @param string $name Custom header name
- * @param string $value Header value
- * @return void
- */
- public function addCustomHeader($name, $value = null)
- {
- if ($value === null) {
- // Value passed in as name:value
- $this->CustomHeader[] = explode(':', $name, 2);
- } else {
- $this->CustomHeader[] = array($name, $value);
- }
- }
-
- /**
- * Returns all custom headers.
- * @return array
- */
- public function getCustomHeaders()
- {
- return $this->CustomHeader;
- }
-
- /**
- * Create a message body from an HTML string.
- * Automatically inlines images and creates a plain-text version by converting the HTML,
- * overwriting any existing values in Body and AltBody.
- * Do not source $message content from user input!
- * $basedir is prepended when handling relative URLs, e.g. <img src="/images/a.png"> and must not be empty
- * will look for an image file in $basedir/images/a.png and convert it to inline.
- * If you don't provide a $basedir, relative paths will be left untouched (and thus probably break in email)
- * If you don't want to apply these transformations to your HTML, just set Body and AltBody directly.
- * @access public
- * @param string $message HTML message string
- * @param string $basedir Absolute path to a base directory to prepend to relative paths to images
- * @param boolean|callable $advanced Whether to use the internal HTML to text converter
- * or your own custom converter @see PHPMailer::html2text()
- * @return string $message The transformed message Body
- */
- public function msgHTML($message, $basedir = '', $advanced = false)
- {
- preg_match_all('/(src|background)=["\'](.*)["\']/Ui', $message, $images);
- if (array_key_exists(2, $images)) {
- if (strlen($basedir) > 1 && substr($basedir, -1) != '/') {
- // Ensure $basedir has a trailing /
- $basedir .= '/';
- }
- foreach ($images[2] as $imgindex => $url) {
- // Convert data URIs into embedded images
- if (preg_match('#^data:(image[^;,]*)(;base64)?,#', $url, $match)) {
- $data = substr($url, strpos($url, ','));
- if ($match[2]) {
- $data = base64_decode($data);
- } else {
- $data = rawurldecode($data);
- }
- $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
- if ($this->addStringEmbeddedImage($data, $cid, 'embed' . $imgindex, 'base64', $match[1])) {
- $message = str_replace(
- $images[0][$imgindex],
- $images[1][$imgindex] . '="cid:' . $cid . '"',
- $message
- );
- }
- continue;
- }
- if (
- // Only process relative URLs if a basedir is provided (i.e. no absolute local paths)
- !empty($basedir)
- // Ignore URLs containing parent dir traversal (..)
- && (strpos($url, '..') === false)
- // Do not change urls that are already inline images
- && substr($url, 0, 4) !== 'cid:'
- // Do not change absolute URLs, including anonymous protocol
- && !preg_match('#^[a-z][a-z0-9+.-]*:?//#i', $url)
- ) {
- $filename = basename($url);
- $directory = dirname($url);
- if ($directory == '.') {
- $directory = '';
- }
- $cid = md5($url) . '@phpmailer.0'; // RFC2392 S 2
- if (strlen($directory) > 1 && substr($directory, -1) != '/') {
- $directory .= '/';
- }
- if ($this->addEmbeddedImage(
- $basedir . $directory . $filename,
- $cid,
- $filename,
- 'base64',
- self::_mime_types((string)self::mb_pathinfo($filename, PATHINFO_EXTENSION))
- )
- ) {
- $message = preg_replace(
- '/' . $images[1][$imgindex] . '=["\']' . preg_quote($url, '/') . '["\']/Ui',
- $images[1][$imgindex] . '="cid:' . $cid . '"',
- $message
- );
- }
- }
- }
- }
- $this->isHTML(true);
- // Convert all message body line breaks to CRLF, makes quoted-printable encoding work much better
- $this->Body = $this->normalizeBreaks($message);
- $this->AltBody = $this->normalizeBreaks($this->html2text($message, $advanced));
- if (!$this->alternativeExists()) {
- $this->AltBody = 'To view this email message, open it in a program that understands HTML!' .
- self::CRLF . self::CRLF;
- }
- return $this->Body;
- }
-
- /**
- * Convert an HTML string into plain text.
- * This is used by msgHTML().
- * Note - older versions of this function used a bundled advanced converter
- * which was been removed for license reasons in #232.
- * Example usage:
- * <code>
- * // Use default conversion
- * $plain = $mail->html2text($html);
- * // Use your own custom converter
- * $plain = $mail->html2text($html, function($html) {
- * $converter = new MyHtml2text($html);
- * return $converter->get_text();
- * });
- * </code>
- * @param string $html The HTML text to convert
- * @param boolean|callable $advanced Any boolean value to use the internal converter,
- * or provide your own callable for custom conversion.
- * @return string
- */
- public function html2text($html, $advanced = false)
- {
- if (is_callable($advanced)) {
- return call_user_func($advanced, $html);
- }
- return html_entity_decode(
- trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/si', '', $html))),
- ENT_QUOTES,
- $this->CharSet
- );
- }
-
- /**
- * Get the MIME type for a file extension.
- * @param string $ext File extension
- * @access public
- * @return string MIME type of file.
- * @static
- */
- public static function _mime_types($ext = '')
- {
- $mimes = array(
- 'xl' => 'application/excel',
- 'js' => 'application/javascript',
- 'hqx' => 'application/mac-binhex40',
- 'cpt' => 'application/mac-compactpro',
- 'bin' => 'application/macbinary',
- 'doc' => 'application/msword',
- 'word' => 'application/msword',
- 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
- 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
- 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
- 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
- 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
- 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
- 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
- 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
- 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
- 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
- 'class' => 'application/octet-stream',
- 'dll' => 'application/octet-stream',
- 'dms' => 'application/octet-stream',
- 'exe' => 'application/octet-stream',
- 'lha' => 'application/octet-stream',
- 'lzh' => 'application/octet-stream',
- 'psd' => 'application/octet-stream',
- 'sea' => 'application/octet-stream',
- 'so' => 'application/octet-stream',
- 'oda' => 'application/oda',
- 'pdf' => 'application/pdf',
- 'ai' => 'application/postscript',
- 'eps' => 'application/postscript',
- 'ps' => 'application/postscript',
- 'smi' => 'application/smil',
- 'smil' => 'application/smil',
- 'mif' => 'application/vnd.mif',
- 'xls' => 'application/vnd.ms-excel',
- 'ppt' => 'application/vnd.ms-powerpoint',
- 'wbxml' => 'application/vnd.wap.wbxml',
- 'wmlc' => 'application/vnd.wap.wmlc',
- 'dcr' => 'application/x-director',
- 'dir' => 'application/x-director',
- 'dxr' => 'application/x-director',
- 'dvi' => 'application/x-dvi',
- 'gtar' => 'application/x-gtar',
- 'php3' => 'application/x-httpd-php',
- 'php4' => 'application/x-httpd-php',
- 'php' => 'application/x-httpd-php',
- 'phtml' => 'application/x-httpd-php',
- 'phps' => 'application/x-httpd-php-source',
- 'swf' => 'application/x-shockwave-flash',
- 'sit' => 'application/x-stuffit',
- 'tar' => 'application/x-tar',
- 'tgz' => 'application/x-tar',
- 'xht' => 'application/xhtml+xml',
- 'xhtml' => 'application/xhtml+xml',
- 'zip' => 'application/zip',
- 'mid' => 'audio/midi',
- 'midi' => 'audio/midi',
- 'mp2' => 'audio/mpeg',
- 'mp3' => 'audio/mpeg',
- 'mpga' => 'audio/mpeg',
- 'aif' => 'audio/x-aiff',
- 'aifc' => 'audio/x-aiff',
- 'aiff' => 'audio/x-aiff',
- 'ram' => 'audio/x-pn-realaudio',
- 'rm' => 'audio/x-pn-realaudio',
- 'rpm' => 'audio/x-pn-realaudio-plugin',
- 'ra' => 'audio/x-realaudio',
- 'wav' => 'audio/x-wav',
- 'bmp' => 'image/bmp',
- 'gif' => 'image/gif',
- 'jpeg' => 'image/jpeg',
- 'jpe' => 'image/jpeg',
- 'jpg' => 'image/jpeg',
- 'png' => 'image/png',
- 'tiff' => 'image/tiff',
- 'tif' => 'image/tiff',
- 'eml' => 'message/rfc822',
- 'css' => 'text/css',
- 'html' => 'text/html',
- 'htm' => 'text/html',
- 'shtml' => 'text/html',
- 'log' => 'text/plain',
- 'text' => 'text/plain',
- 'txt' => 'text/plain',
- 'rtx' => 'text/richtext',
- 'rtf' => 'text/rtf',
- 'vcf' => 'text/vcard',
- 'vcard' => 'text/vcard',
- 'xml' => 'text/xml',
- 'xsl' => 'text/xml',
- 'mpeg' => 'video/mpeg',
- 'mpe' => 'video/mpeg',
- 'mpg' => 'video/mpeg',
- 'mov' => 'video/quicktime',
- 'qt' => 'video/quicktime',
- 'rv' => 'video/vnd.rn-realvideo',
- 'avi' => 'video/x-msvideo',
- 'movie' => 'video/x-sgi-movie'
- );
- if (array_key_exists(strtolower($ext), $mimes)) {
- return $mimes[strtolower($ext)];
- }
- return 'application/octet-stream';
- }
-
- /**
- * Map a file name to a MIME type.
- * Defaults to 'application/octet-stream', i.e.. arbitrary binary data.
- * @param string $filename A file name or full path, does not need to exist as a file
- * @return string
- * @static
- */
- public static function filenameToType($filename)
- {
- // In case the path is a URL, strip any query string before getting extension
- $qpos = strpos($filename, '?');
- if (false !== $qpos) {
- $filename = substr($filename, 0, $qpos);
- }
- $pathinfo = self::mb_pathinfo($filename);
- return self::_mime_types($pathinfo['extension']);
- }
-
- /**
- * Multi-byte-safe pathinfo replacement.
- * Drop-in replacement for pathinfo(), but multibyte-safe, cross-platform-safe, old-version-safe.
- * Works similarly to the one in PHP >= 5.2.0
- * @link http://www.php.net/manual/en/function.pathinfo.php#107461
- * @param string $path A filename or path, does not need to exist as a file
- * @param integer|string $options Either a PATHINFO_* constant,
- * or a string name to return only the specified piece, allows 'filename' to work on PHP < 5.2
- * @return string|array
- * @static
- */
- public static function mb_pathinfo($path, $options = null)
- {
- $ret = array('dirname' => '', 'basename' => '', 'extension' => '', 'filename' => '');
- $pathinfo = array();
- if (preg_match('%^(.*?)[\\\\/]*(([^/\\\\]*?)(\.([^\.\\\\/]+?)|))[\\\\/\.]*$%im', $path, $pathinfo)) {
- if (array_key_exists(1, $pathinfo)) {
- $ret['dirname'] = $pathinfo[1];
- }
- if (array_key_exists(2, $pathinfo)) {
- $ret['basename'] = $pathinfo[2];
- }
- if (array_key_exists(5, $pathinfo)) {
- $ret['extension'] = $pathinfo[5];
- }
- if (array_key_exists(3, $pathinfo)) {
- $ret['filename'] = $pathinfo[3];
- }
- }
- switch ($options) {
- case PATHINFO_DIRNAME:
- case 'dirname':
- return $ret['dirname'];
- case PATHINFO_BASENAME:
- case 'basename':
- return $ret['basename'];
- case PATHINFO_EXTENSION:
- case 'extension':
- return $ret['extension'];
- case PATHINFO_FILENAME:
- case 'filename':
- return $ret['filename'];
- default:
- return $ret;
- }
- }
-
- /**
- * Set or reset instance properties.
- * You should avoid this function - it's more verbose, less efficient, more error-prone and
- * harder to debug than setting properties directly.
- * Usage Example:
- * `$mail->set('SMTPSecure', 'tls');`
- * is the same as:
- * `$mail->SMTPSecure = 'tls';`
- * @access public
- * @param string $name The property name to set
- * @param mixed $value The value to set the property to
- * @return boolean
- * @TODO Should this not be using the __set() magic function?
- */
- public function set($name, $value = '')
- {
- if (property_exists($this, $name)) {
- $this->$name = $value;
- return true;
- } else {
- $this->setError($this->lang('variable_set') . $name);
- return false;
- }
- }
-
- /**
- * Strip newlines to prevent header injection.
- * @access public
- * @param string $str
- * @return string
- */
- public function secureHeader($str)
- {
- return trim(str_replace(array("\r", "\n"), '', $str));
- }
-
- /**
- * Normalize line breaks in a string.
- * Converts UNIX LF, Mac CR and Windows CRLF line breaks into a single line break format.
- * Defaults to CRLF (for message bodies) and preserves consecutive breaks.
- * @param string $text
- * @param string $breaktype What kind of line break to use, defaults to CRLF
- * @return string
- * @access public
- * @static
- */
- public static function normalizeBreaks($text, $breaktype = "\r\n")
- {
- return preg_replace('/(\r\n|\r|\n)/ms', $breaktype, $text);
- }
-
- /**
- * Set the public and private key files and password for S/MIME signing.
- * @access public
- * @param string $cert_filename
- * @param string $key_filename
- * @param string $key_pass Password for private key
- * @param string $extracerts_filename Optional path to chain certificate
- */
- public function sign($cert_filename, $key_filename, $key_pass, $extracerts_filename = '')
- {
- $this->sign_cert_file = $cert_filename;
- $this->sign_key_file = $key_filename;
- $this->sign_key_pass = $key_pass;
- $this->sign_extracerts_file = $extracerts_filename;
- }
-
- /**
- * Quoted-Printable-encode a DKIM header.
- * @access public
- * @param string $txt
- * @return string
- */
- public function DKIM_QP($txt)
- {
- $line = '';
- for ($i = 0; $i < strlen($txt); $i++) {
- $ord = ord($txt[$i]);
- if (((0x21 <= $ord) && ($ord <= 0x3A)) || $ord == 0x3C || ((0x3E <= $ord) && ($ord <= 0x7E))) {
- $line .= $txt[$i];
- } else {
- $line .= '=' . sprintf('%02X', $ord);
- }
- }
- return $line;
- }
-
- /**
- * Generate a DKIM signature.
- * @access public
- * @param string $signHeader
- * @throws phpmailerException
- * @return string The DKIM signature value
- */
- public function DKIM_Sign($signHeader)
- {
- if (!defined('PKCS7_TEXT')) {
- if ($this->exceptions) {
- throw new phpmailerException($this->lang('extension_missing') . 'openssl');
- }
- return '';
- }
- $privKeyStr = !empty($this->DKIM_private_string) ? $this->DKIM_private_string : file_get_contents($this->DKIM_private);
- if ('' != $this->DKIM_passphrase) {
- $privKey = openssl_pkey_get_private($privKeyStr, $this->DKIM_passphrase);
- } else {
- $privKey = openssl_pkey_get_private($privKeyStr);
- }
- //Workaround for missing digest algorithms in old PHP & OpenSSL versions
- //@link http://stackoverflow.com/a/11117338/333340
- if (version_compare(PHP_VERSION, '5.3.0') >= 0 and
- in_array('sha256WithRSAEncryption', openssl_get_md_methods(true))) {
- if (openssl_sign($signHeader, $signature, $privKey, 'sha256WithRSAEncryption')) {
- openssl_pkey_free($privKey);
- return base64_encode($signature);
- }
- } else {
- $pinfo = openssl_pkey_get_details($privKey);
- $hash = hash('sha256', $signHeader);
- //'Magic' constant for SHA256 from RFC3447
- //@link https://tools.ietf.org/html/rfc3447#page-43
- $t = '3031300d060960864801650304020105000420' . $hash;
- $pslen = $pinfo['bits'] / 8 - (strlen($t) / 2 + 3);
- $eb = pack('H*', '0001' . str_repeat('FF', $pslen) . '00' . $t);
-
- if (openssl_private_encrypt($eb, $signature, $privKey, OPENSSL_NO_PADDING)) {
- openssl_pkey_free($privKey);
- return base64_encode($signature);
- }
- }
- openssl_pkey_free($privKey);
- return '';
- }
-
- /**
- * Generate a DKIM canonicalization header.
- * @access public
- * @param string $signHeader Header
- * @return string
- */
- public function DKIM_HeaderC($signHeader)
- {
- $signHeader = preg_replace('/\r\n\s+/', ' ', $signHeader);
- $lines = explode("\r\n", $signHeader);
- foreach ($lines as $key => $line) {
- list($heading, $value) = explode(':', $line, 2);
- $heading = strtolower($heading);
- $value = preg_replace('/\s{2,}/', ' ', $value); // Compress useless spaces
- $lines[$key] = $heading . ':' . trim($value); // Don't forget to remove WSP around the value
- }
- $signHeader = implode("\r\n", $lines);
- return $signHeader;
- }
-
- /**
- * Generate a DKIM canonicalization body.
- * @access public
- * @param string $body Message Body
- * @return string
- */
- public function DKIM_BodyC($body)
- {
- if ($body == '') {
- return "\r\n";
- }
- // stabilize line endings
- $body = str_replace("\r\n", "\n", $body);
- $body = str_replace("\n", "\r\n", $body);
- // END stabilize line endings
- while (substr($body, strlen($body) - 4, 4) == "\r\n\r\n") {
- $body = substr($body, 0, strlen($body) - 2);
- }
- return $body;
- }
-
- /**
- * Create the DKIM header and body in a new message header.
- * @access public
- * @param string $headers_line Header lines
- * @param string $subject Subject
- * @param string $body Body
- * @return string
- */
- public function DKIM_Add($headers_line, $subject, $body)
- {
- $DKIMsignatureType = 'rsa-sha256'; // Signature & hash algorithms
- $DKIMcanonicalization = 'relaxed/simple'; // Canonicalization of header/body
- $DKIMquery = 'dns/txt'; // Query method
- $DKIMtime = time(); // Signature Timestamp = seconds since 00:00:00 - Jan 1, 1970 (UTC time zone)
- $subject_header = "Subject: $subject";
- $headers = explode($this->LE, $headers_line);
- $from_header = '';
- $to_header = '';
- $date_header = '';
- $current = '';
- foreach ($headers as $header) {
- if (strpos($header, 'From:') === 0) {
- $from_header = $header;
- $current = 'from_header';
- } elseif (strpos($header, 'To:') === 0) {
- $to_header = $header;
- $current = 'to_header';
- } elseif (strpos($header, 'Date:') === 0) {
- $date_header = $header;
- $current = 'date_header';
- } else {
- if (!empty($$current) && strpos($header, ' =?') === 0) {
- $$current .= $header;
- } else {
- $current = '';
- }
- }
- }
- $from = str_replace('|', '=7C', $this->DKIM_QP($from_header));
- $to = str_replace('|', '=7C', $this->DKIM_QP($to_header));
- $date = str_replace('|', '=7C', $this->DKIM_QP($date_header));
- $subject = str_replace(
- '|',
- '=7C',
- $this->DKIM_QP($subject_header)
- ); // Copied header fields (dkim-quoted-printable)
- $body = $this->DKIM_BodyC($body);
- $DKIMlen = strlen($body); // Length of body
- $DKIMb64 = base64_encode(pack('H*', hash('sha256', $body))); // Base64 of packed binary SHA-256 hash of body
- if ('' == $this->DKIM_identity) {
- $ident = '';
- } else {
- $ident = ' i=' . $this->DKIM_identity . ';';
- }
- $dkimhdrs = 'DKIM-Signature: v=1; a=' .
- $DKIMsignatureType . '; q=' .
- $DKIMquery . '; l=' .
- $DKIMlen . '; s=' .
- $this->DKIM_selector .
- ";\r\n" .
- "\tt=" . $DKIMtime . '; c=' . $DKIMcanonicalization . ";\r\n" .
- "\th=From:To:Date:Subject;\r\n" .
- "\td=" . $this->DKIM_domain . ';' . $ident . "\r\n" .
- "\tz=$from\r\n" .
- "\t|$to\r\n" .
- "\t|$date\r\n" .
- "\t|$subject;\r\n" .
- "\tbh=" . $DKIMb64 . ";\r\n" .
- "\tb=";
- $toSign = $this->DKIM_HeaderC(
- $from_header . "\r\n" .
- $to_header . "\r\n" .
- $date_header . "\r\n" .
- $subject_header . "\r\n" .
- $dkimhdrs
- );
- $signed = $this->DKIM_Sign($toSign);
- return $dkimhdrs . $signed . "\r\n";
- }
-
- /**
- * Detect if a string contains a line longer than the maximum line length allowed.
- * @param string $str
- * @return boolean
- * @static
- */
- public static function hasLineLongerThanMax($str)
- {
- //+2 to include CRLF line break for a 1000 total
- return (boolean)preg_match('/^(.{'.(self::MAX_LINE_LENGTH + 2).',})/m', $str);
- }
-
- /**
- * Allows for public read access to 'to' property.
- * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
- * @access public
- * @return array
- */
- public function getToAddresses()
- {
- return $this->to;
- }
-
- /**
- * Allows for public read access to 'cc' property.
- * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
- * @access public
- * @return array
- */
- public function getCcAddresses()
- {
- return $this->cc;
- }
-
- /**
- * Allows for public read access to 'bcc' property.
- * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
- * @access public
- * @return array
- */
- public function getBccAddresses()
- {
- return $this->bcc;
- }
-
- /**
- * Allows for public read access to 'ReplyTo' property.
- * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
- * @access public
- * @return array
- */
- public function getReplyToAddresses()
- {
- return $this->ReplyTo;
- }
-
- /**
- * Allows for public read access to 'all_recipients' property.
- * @note: Before the send() call, queued addresses (i.e. with IDN) are not yet included.
- * @access public
- * @return array
- */
- public function getAllRecipientAddresses()
- {
- return $this->all_recipients;
- }
-
- /**
- * Perform a callback.
- * @param boolean $isSent
- * @param array $to
- * @param array $cc
- * @param array $bcc
- * @param string $subject
- * @param string $body
- * @param string $from
- */
- protected function doCallback($isSent, $to, $cc, $bcc, $subject, $body, $from)
- {
- if (!empty($this->action_function) && is_callable($this->action_function)) {
- $params = array($isSent, $to, $cc, $bcc, $subject, $body, $from);
- call_user_func_array($this->action_function, $params);
- }
- }
-}
-
-/**
- * PHPMailer exception handler
- * @package PHPMailer
- */
-class phpmailerException extends Exception
-{
- /**
- * Prettify error message output
- * @return string
- */
- public function errorMessage()
- {
- $errorMsg = '<strong>' . htmlspecialchars($this->getMessage()) . "</strong><br />\n";
- return $errorMsg;
- }
-}
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+class_alias( PHPMailer\PHPMailer\PHPMailer::class, 'PHPMailer' );
</ins></span></pre></div>
<a id="trunksrcwpincludesclasssmtpphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/class-smtp.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-smtp.php 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/src/wp-includes/class-smtp.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,1213 +1,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/**
- * PHPMailer RFC821 SMTP email transport class.
- * PHP Version 5
- * @package PHPMailer
- * @link https://github.com/PHPMailer/PHPMailer/ The PHPMailer GitHub project
- * @author Marcus Bointon (Synchro/coolbru) <phpmailer@synchromedia.co.uk>
- * @author Jim Jagielski (jimjag) <jimjag@gmail.com>
- * @author Andy Prevost (codeworxtech) <codeworxtech@users.sourceforge.net>
- * @author Brent R. Matzelle (original founder)
- * @copyright 2014 Marcus Bointon
- * @copyright 2010 - 2012 Jim Jagielski
- * @copyright 2004 - 2009 Andy Prevost
- * @license http://www.gnu.org/copyleft/lesser.html GNU Lesser General Public License
- * @note This program is distributed in the hope that it will be useful - WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.
- */
</del><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * PHPMailer RFC821 SMTP email transport class.
- * Implements RFC 821 SMTP commands and provides some utility methods for sending mail to an SMTP server.
- * @package PHPMailer
- * @author Chris Ryan
- * @author Marcus Bointon <phpmailer@synchromedia.co.uk>
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * The SMTP class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace.
</ins><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-class SMTP
-{
- /**
- * The PHPMailer SMTP version number.
- * @var string
- */
- const VERSION = '5.2.27';
-
- /**
- * SMTP line break constant.
- * @var string
- */
- const CRLF = "\r\n";
-
- /**
- * The SMTP port to use if one is not specified.
- * @var integer
- */
- const DEFAULT_SMTP_PORT = 25;
-
- /**
- * The maximum line length allowed by RFC 2822 section 2.1.1
- * @var integer
- */
- const MAX_LINE_LENGTH = 998;
-
- /**
- * Debug level for no output
- */
- const DEBUG_OFF = 0;
-
- /**
- * Debug level to show client -> server messages
- */
- const DEBUG_CLIENT = 1;
-
- /**
- * Debug level to show client -> server and server -> client messages
- */
- const DEBUG_SERVER = 2;
-
- /**
- * Debug level to show connection status, client -> server and server -> client messages
- */
- const DEBUG_CONNECTION = 3;
-
- /**
- * Debug level to show all messages
- */
- const DEBUG_LOWLEVEL = 4;
-
- /**
- * The PHPMailer SMTP Version number.
- * @var string
- * @deprecated Use the `VERSION` constant instead
- * @see SMTP::VERSION
- */
- public $Version = '5.2.27';
-
- /**
- * SMTP server port number.
- * @var integer
- * @deprecated This is only ever used as a default value, so use the `DEFAULT_SMTP_PORT` constant instead
- * @see SMTP::DEFAULT_SMTP_PORT
- */
- public $SMTP_PORT = 25;
-
- /**
- * SMTP reply line ending.
- * @var string
- * @deprecated Use the `CRLF` constant instead
- * @see SMTP::CRLF
- */
- public $CRLF = "\r\n";
-
- /**
- * Debug output level.
- * Options:
- * * self::DEBUG_OFF (`0`) No debug output, default
- * * self::DEBUG_CLIENT (`1`) Client commands
- * * self::DEBUG_SERVER (`2`) Client commands and server responses
- * * self::DEBUG_CONNECTION (`3`) As DEBUG_SERVER plus connection status
- * * self::DEBUG_LOWLEVEL (`4`) Low-level data output, all messages
- * @var integer
- */
- public $do_debug = self::DEBUG_OFF;
-
- /**
- * How to handle debug output.
- * Options:
- * * `echo` Output plain-text as-is, appropriate for CLI
- * * `html` Output escaped, line breaks converted to `<br>`, appropriate for browser output
- * * `error_log` Output to error log as configured in php.ini
- *
- * Alternatively, you can provide a callable expecting two params: a message string and the debug level:
- * <code>
- * $smtp->Debugoutput = function($str, $level) {echo "debug level $level; message: $str";};
- * </code>
- * @var string|callable
- */
- public $Debugoutput = 'echo';
-
- /**
- * Whether to use VERP.
- * @link http://en.wikipedia.org/wiki/Variable_envelope_return_path
- * @link http://www.postfix.org/VERP_README.html Info on VERP
- * @var boolean
- */
- public $do_verp = false;
-
- /**
- * The timeout value for connection, in seconds.
- * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
- * This needs to be quite high to function correctly with hosts using greetdelay as an anti-spam measure.
- * @link http://tools.ietf.org/html/rfc2821#section-4.5.3.2
- * @var integer
- */
- public $Timeout = 300;
-
- /**
- * How long to wait for commands to complete, in seconds.
- * Default of 5 minutes (300sec) is from RFC2821 section 4.5.3.2
- * @var integer
- */
- public $Timelimit = 300;
-
- /**
- * @var array Patterns to extract an SMTP transaction id from reply to a DATA command.
- * The first capture group in each regex will be used as the ID.
- */
- protected $smtp_transaction_id_patterns = array(
- 'exim' => '/[0-9]{3} OK id=(.*)/',
- 'sendmail' => '/[0-9]{3} 2.0.0 (.*) Message/',
- 'postfix' => '/[0-9]{3} 2.0.0 Ok: queued as (.*)/'
- );
-
- /**
- * @var string The last transaction ID issued in response to a DATA command,
- * if one was detected
- */
- protected $last_smtp_transaction_id;
-
- /**
- * The socket for the server connection.
- * @var resource
- */
- protected $smtp_conn;
-
- /**
- * Error information, if any, for the last SMTP command.
- * @var array
- */
- protected $error = array(
- 'error' => '',
- 'detail' => '',
- 'smtp_code' => '',
- 'smtp_code_ex' => ''
- );
-
- /**
- * The reply the server sent to us for HELO.
- * If null, no HELO string has yet been received.
- * @var string|null
- */
- protected $helo_rply = null;
-
- /**
- * The set of SMTP extensions sent in reply to EHLO command.
- * Indexes of the array are extension names.
- * Value at index 'HELO' or 'EHLO' (according to command that was sent)
- * represents the server name. In case of HELO it is the only element of the array.
- * Other values can be boolean TRUE or an array containing extension options.
- * If null, no HELO/EHLO string has yet been received.
- * @var array|null
- */
- protected $server_caps = null;
-
- /**
- * The most recent reply received from the server.
- * @var string
- */
- protected $last_reply = '';
-
- /**
- * Output debugging info via a user-selected method.
- * @see SMTP::$Debugoutput
- * @see SMTP::$do_debug
- * @param string $str Debug string to output
- * @param integer $level The debug level of this message; see DEBUG_* constants
- * @return void
- */
- protected function edebug($str, $level = 0)
- {
- if ($level > $this->do_debug) {
- return;
- }
- //Avoid clash with built-in function names
- if (!in_array($this->Debugoutput, array('error_log', 'html', 'echo')) and is_callable($this->Debugoutput)) {
- call_user_func($this->Debugoutput, $str, $level);
- return;
- }
- switch ($this->Debugoutput) {
- case 'error_log':
- //Don't output, just log
- error_log($str);
- break;
- case 'html':
- //Cleans up output a bit for a better looking, HTML-safe output
- echo gmdate('Y-m-d H:i:s') . ' ' . htmlentities(
- preg_replace('/[\r\n]+/', '', $str),
- ENT_QUOTES,
- 'UTF-8'
- ) . "<br>\n";
- break;
- case 'echo':
- default:
- //Normalize line breaks
- $str = preg_replace('/(\r\n|\r|\n)/ms', "\n", $str);
- echo gmdate('Y-m-d H:i:s') . "\t" . str_replace(
- "\n",
- "\n \t ",
- trim($str)
- ) . "\n";
- }
- }
-
- /**
- * Connect to an SMTP server.
- * @param string $host SMTP server IP or host name
- * @param integer $port The port number to connect to
- * @param integer $timeout How long to wait for the connection to open
- * @param array $options An array of options for stream_context_create()
- * @access public
- * @return boolean
- */
- public function connect($host, $port = null, $timeout = 30, $options = array())
- {
- static $streamok;
- //This is enabled by default since 5.0.0 but some providers disable it
- //Check this once and cache the result
- if (is_null($streamok)) {
- $streamok = function_exists('stream_socket_client');
- }
- // Clear errors to avoid confusion
- $this->setError('');
- // Make sure we are __not__ connected
- if ($this->connected()) {
- // Already connected, generate error
- $this->setError('Already connected to a server');
- return false;
- }
- if (empty($port)) {
- $port = self::DEFAULT_SMTP_PORT;
- }
- // Connect to the SMTP server
- $this->edebug(
- "Connection: opening to $host:$port, timeout=$timeout, options=" .
- var_export($options, true),
- self::DEBUG_CONNECTION
- );
- $errno = 0;
- $errstr = '';
- if ($streamok) {
- $socket_context = stream_context_create($options);
- set_error_handler(array($this, 'errorHandler'));
- $this->smtp_conn = stream_socket_client(
- $host . ":" . $port,
- $errno,
- $errstr,
- $timeout,
- STREAM_CLIENT_CONNECT,
- $socket_context
- );
- restore_error_handler();
- } else {
- //Fall back to fsockopen which should work in more places, but is missing some features
- $this->edebug(
- "Connection: stream_socket_client not available, falling back to fsockopen",
- self::DEBUG_CONNECTION
- );
- set_error_handler(array($this, 'errorHandler'));
- $this->smtp_conn = fsockopen(
- $host,
- $port,
- $errno,
- $errstr,
- $timeout
- );
- restore_error_handler();
- }
- // Verify we connected properly
- if (!is_resource($this->smtp_conn)) {
- $this->setError(
- 'Failed to connect to server',
- $errno,
- $errstr
- );
- $this->edebug(
- 'SMTP ERROR: ' . $this->error['error']
- . ": $errstr ($errno)",
- self::DEBUG_CLIENT
- );
- return false;
- }
- $this->edebug('Connection: opened', self::DEBUG_CONNECTION);
- // SMTP server can take longer to respond, give longer timeout for first read
- // Windows does not have support for this timeout function
- if (substr(PHP_OS, 0, 3) != 'WIN') {
- $max = ini_get('max_execution_time');
- // Don't bother if unlimited
- if ($max != 0 && $timeout > $max) {
- @set_time_limit($timeout);
- }
- stream_set_timeout($this->smtp_conn, $timeout, 0);
- }
- // Get any announcement
- $announce = $this->get_lines();
- $this->edebug('SERVER -> CLIENT: ' . $announce, self::DEBUG_SERVER);
- return true;
- }
-
- /**
- * Initiate a TLS (encrypted) session.
- * @access public
- * @return boolean
- */
- public function startTLS()
- {
- if (!$this->sendCommand('STARTTLS', 'STARTTLS', 220)) {
- return false;
- }
-
- //Allow the best TLS version(s) we can
- $crypto_method = STREAM_CRYPTO_METHOD_TLS_CLIENT;
-
- //PHP 5.6.7 dropped inclusion of TLS 1.1 and 1.2 in STREAM_CRYPTO_METHOD_TLS_CLIENT
- //so add them back in manually if we can
- if (defined('STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT')) {
- $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_2_CLIENT;
- $crypto_method |= STREAM_CRYPTO_METHOD_TLSv1_1_CLIENT;
- }
-
- // Begin encrypted connection
- set_error_handler(array($this, 'errorHandler'));
- $crypto_ok = stream_socket_enable_crypto(
- $this->smtp_conn,
- true,
- $crypto_method
- );
- restore_error_handler();
- return $crypto_ok;
- }
-
- /**
- * Perform SMTP authentication.
- * Must be run after hello().
- * @see hello()
- * @param string $username The user name
- * @param string $password The password
- * @param string $authtype The auth type (PLAIN, LOGIN, CRAM-MD5)
- * @param string $realm The auth realm for NTLM
- * @param string $workstation The auth workstation for NTLM
- * @param null|OAuth $OAuth An optional OAuth instance (@see PHPMailerOAuth)
- * @return bool True if successfully authenticated.* @access public
- */
- public function authenticate(
- $username,
- $password,
- $authtype = null,
- $realm = '',
- $workstation = '',
- $OAuth = null
- ) {
- if (!$this->server_caps) {
- $this->setError('Authentication is not allowed before HELO/EHLO');
- return false;
- }
-
- if (array_key_exists('EHLO', $this->server_caps)) {
- // SMTP extensions are available; try to find a proper authentication method
- if (!array_key_exists('AUTH', $this->server_caps)) {
- $this->setError('Authentication is not allowed at this stage');
- // 'at this stage' means that auth may be allowed after the stage changes
- // e.g. after STARTTLS
- return false;
- }
-
- self::edebug('Auth method requested: ' . ($authtype ? $authtype : 'UNKNOWN'), self::DEBUG_LOWLEVEL);
- self::edebug(
- 'Auth methods available on the server: ' . implode(',', $this->server_caps['AUTH']),
- self::DEBUG_LOWLEVEL
- );
-
- if (empty($authtype)) {
- foreach (array('CRAM-MD5', 'LOGIN', 'PLAIN') as $method) {
- if (in_array($method, $this->server_caps['AUTH'])) {
- $authtype = $method;
- break;
- }
- }
- if (empty($authtype)) {
- $this->setError('No supported authentication methods found');
- return false;
- }
- self::edebug('Auth method selected: ' . $authtype, self::DEBUG_LOWLEVEL);
- }
-
- if (!in_array($authtype, $this->server_caps['AUTH'])) {
- $this->setError("The requested authentication method \"$authtype\" is not supported by the server");
- return false;
- }
- } elseif (empty($authtype)) {
- $authtype = 'LOGIN';
- }
- switch ($authtype) {
- case 'PLAIN':
- // Start authentication
- if (!$this->sendCommand('AUTH', 'AUTH PLAIN', 334)) {
- return false;
- }
- // Send encoded username and password
- if (!$this->sendCommand(
- 'User & Password',
- base64_encode("\0" . $username . "\0" . $password),
- 235
- )
- ) {
- return false;
- }
- break;
- case 'LOGIN':
- // Start authentication
- if (!$this->sendCommand('AUTH', 'AUTH LOGIN', 334)) {
- return false;
- }
- if (!$this->sendCommand("Username", base64_encode($username), 334)) {
- return false;
- }
- if (!$this->sendCommand("Password", base64_encode($password), 235)) {
- return false;
- }
- break;
- case 'CRAM-MD5':
- // Start authentication
- if (!$this->sendCommand('AUTH CRAM-MD5', 'AUTH CRAM-MD5', 334)) {
- return false;
- }
- // Get the challenge
- $challenge = base64_decode(substr($this->last_reply, 4));
-
- // Build the response
- $response = $username . ' ' . $this->hmac($challenge, $password);
-
- // send encoded credentials
- return $this->sendCommand('Username', base64_encode($response), 235);
- default:
- $this->setError("Authentication method \"$authtype\" is not supported");
- return false;
- }
- return true;
- }
-
- /**
- * Calculate an MD5 HMAC hash.
- * Works like hash_hmac('md5', $data, $key)
- * in case that function is not available
- * @param string $data The data to hash
- * @param string $key The key to hash with
- * @access protected
- * @return string
- */
- protected function hmac($data, $key)
- {
- if (function_exists('hash_hmac')) {
- return hash_hmac('md5', $data, $key);
- }
-
- // The following borrowed from
- // http://php.net/manual/en/function.mhash.php#27225
-
- // RFC 2104 HMAC implementation for php.
- // Creates an md5 HMAC.
- // Eliminates the need to install mhash to compute a HMAC
- // by Lance Rushing
-
- $bytelen = 64; // byte length for md5
- if (strlen($key) > $bytelen) {
- $key = pack('H*', md5($key));
- }
- $key = str_pad($key, $bytelen, chr(0x00));
- $ipad = str_pad('', $bytelen, chr(0x36));
- $opad = str_pad('', $bytelen, chr(0x5c));
- $k_ipad = $key ^ $ipad;
- $k_opad = $key ^ $opad;
-
- return md5($k_opad . pack('H*', md5($k_ipad . $data)));
- }
-
- /**
- * Check connection state.
- * @access public
- * @return boolean True if connected.
- */
- public function connected()
- {
- if (is_resource($this->smtp_conn)) {
- $sock_status = stream_get_meta_data($this->smtp_conn);
- if ($sock_status['eof']) {
- // The socket is valid but we are not connected
- $this->edebug(
- 'SMTP NOTICE: EOF caught while checking if connected',
- self::DEBUG_CLIENT
- );
- $this->close();
- return false;
- }
- return true; // everything looks good
- }
- return false;
- }
-
- /**
- * Close the socket and clean up the state of the class.
- * Don't use this function without first trying to use QUIT.
- * @see quit()
- * @access public
- * @return void
- */
- public function close()
- {
- $this->setError('');
- $this->server_caps = null;
- $this->helo_rply = null;
- if (is_resource($this->smtp_conn)) {
- // close the connection and cleanup
- fclose($this->smtp_conn);
- $this->smtp_conn = null; //Makes for cleaner serialization
- $this->edebug('Connection: closed', self::DEBUG_CONNECTION);
- }
- }
-
- /**
- * Send an SMTP DATA command.
- * Issues a data command and sends the msg_data to the server,
- * finializing the mail transaction. $msg_data is the message
- * that is to be send with the headers. Each header needs to be
- * on a single line followed by a <CRLF> with the message headers
- * and the message body being separated by and additional <CRLF>.
- * Implements rfc 821: DATA <CRLF>
- * @param string $msg_data Message data to send
- * @access public
- * @return boolean
- */
- public function data($msg_data)
- {
- //This will use the standard timelimit
- if (!$this->sendCommand('DATA', 'DATA', 354)) {
- return false;
- }
-
- /* The server is ready to accept data!
- * According to rfc821 we should not send more than 1000 characters on a single line (including the CRLF)
- * so we will break the data up into lines by \r and/or \n then if needed we will break each of those into
- * smaller lines to fit within the limit.
- * We will also look for lines that start with a '.' and prepend an additional '.'.
- * NOTE: this does not count towards line-length limit.
- */
-
- // Normalize line breaks before exploding
- $lines = explode("\n", str_replace(array("\r\n", "\r"), "\n", $msg_data));
-
- /* To distinguish between a complete RFC822 message and a plain message body, we check if the first field
- * of the first line (':' separated) does not contain a space then it _should_ be a header and we will
- * process all lines before a blank line as headers.
- */
-
- $field = substr($lines[0], 0, strpos($lines[0], ':'));
- $in_headers = false;
- if (!empty($field) && strpos($field, ' ') === false) {
- $in_headers = true;
- }
-
- foreach ($lines as $line) {
- $lines_out = array();
- if ($in_headers and $line == '') {
- $in_headers = false;
- }
- //Break this line up into several smaller lines if it's too long
- //Micro-optimisation: isset($str[$len]) is faster than (strlen($str) > $len),
- while (isset($line[self::MAX_LINE_LENGTH])) {
- //Working backwards, try to find a space within the last MAX_LINE_LENGTH chars of the line to break on
- //so as to avoid breaking in the middle of a word
- $pos = strrpos(substr($line, 0, self::MAX_LINE_LENGTH), ' ');
- //Deliberately matches both false and 0
- if (!$pos) {
- //No nice break found, add a hard break
- $pos = self::MAX_LINE_LENGTH - 1;
- $lines_out[] = substr($line, 0, $pos);
- $line = substr($line, $pos);
- } else {
- //Break at the found point
- $lines_out[] = substr($line, 0, $pos);
- //Move along by the amount we dealt with
- $line = substr($line, $pos + 1);
- }
- //If processing headers add a LWSP-char to the front of new line RFC822 section 3.1.1
- if ($in_headers) {
- $line = "\t" . $line;
- }
- }
- $lines_out[] = $line;
-
- //Send the lines to the server
- foreach ($lines_out as $line_out) {
- //RFC2821 section 4.5.2
- if (!empty($line_out) and $line_out[0] == '.') {
- $line_out = '.' . $line_out;
- }
- $this->client_send($line_out . self::CRLF);
- }
- }
-
- //Message data has been sent, complete the command
- //Increase timelimit for end of DATA command
- $savetimelimit = $this->Timelimit;
- $this->Timelimit = $this->Timelimit * 2;
- $result = $this->sendCommand('DATA END', '.', 250);
- $this->recordLastTransactionID();
- //Restore timelimit
- $this->Timelimit = $savetimelimit;
- return $result;
- }
-
- /**
- * Send an SMTP HELO or EHLO command.
- * Used to identify the sending server to the receiving server.
- * This makes sure that client and server are in a known state.
- * Implements RFC 821: HELO <SP> <domain> <CRLF>
- * and RFC 2821 EHLO.
- * @param string $host The host name or IP to connect to
- * @access public
- * @return boolean
- */
- public function hello($host = '')
- {
- //Try extended hello first (RFC 2821)
- return (boolean)($this->sendHello('EHLO', $host) or $this->sendHello('HELO', $host));
- }
-
- /**
- * Send an SMTP HELO or EHLO command.
- * Low-level implementation used by hello()
- * @see hello()
- * @param string $hello The HELO string
- * @param string $host The hostname to say we are
- * @access protected
- * @return boolean
- */
- protected function sendHello($hello, $host)
- {
- $noerror = $this->sendCommand($hello, $hello . ' ' . $host, 250);
- $this->helo_rply = $this->last_reply;
- if ($noerror) {
- $this->parseHelloFields($hello);
- } else {
- $this->server_caps = null;
- }
- return $noerror;
- }
-
- /**
- * Parse a reply to HELO/EHLO command to discover server extensions.
- * In case of HELO, the only parameter that can be discovered is a server name.
- * @access protected
- * @param string $type - 'HELO' or 'EHLO'
- */
- protected function parseHelloFields($type)
- {
- $this->server_caps = array();
- $lines = explode("\n", $this->helo_rply);
-
- foreach ($lines as $n => $s) {
- //First 4 chars contain response code followed by - or space
- $s = trim(substr($s, 4));
- if (empty($s)) {
- continue;
- }
- $fields = explode(' ', $s);
- if (!empty($fields)) {
- if (!$n) {
- $name = $type;
- $fields = $fields[0];
- } else {
- $name = array_shift($fields);
- switch ($name) {
- case 'SIZE':
- $fields = ($fields ? $fields[0] : 0);
- break;
- case 'AUTH':
- if (!is_array($fields)) {
- $fields = array();
- }
- break;
- default:
- $fields = true;
- }
- }
- $this->server_caps[$name] = $fields;
- }
- }
- }
-
- /**
- * Send an SMTP MAIL command.
- * Starts a mail transaction from the email address specified in
- * $from. Returns true if successful or false otherwise. If True
- * the mail transaction is started and then one or more recipient
- * commands may be called followed by a data command.
- * Implements rfc 821: MAIL <SP> FROM:<reverse-path> <CRLF>
- * @param string $from Source address of this message
- * @access public
- * @return boolean
- */
- public function mail($from)
- {
- $useVerp = ($this->do_verp ? ' XVERP' : '');
- return $this->sendCommand(
- 'MAIL FROM',
- 'MAIL FROM:<' . $from . '>' . $useVerp,
- 250
- );
- }
-
- /**
- * Send an SMTP QUIT command.
- * Closes the socket if there is no error or the $close_on_error argument is true.
- * Implements from rfc 821: QUIT <CRLF>
- * @param boolean $close_on_error Should the connection close if an error occurs?
- * @access public
- * @return boolean
- */
- public function quit($close_on_error = true)
- {
- $noerror = $this->sendCommand('QUIT', 'QUIT', 221);
- $err = $this->error; //Save any error
- if ($noerror or $close_on_error) {
- $this->close();
- $this->error = $err; //Restore any error from the quit command
- }
- return $noerror;
- }
-
- /**
- * Send an SMTP RCPT command.
- * Sets the TO argument to $toaddr.
- * Returns true if the recipient was accepted false if it was rejected.
- * Implements from rfc 821: RCPT <SP> TO:<forward-path> <CRLF>
- * @param string $address The address the message is being sent to
- * @access public
- * @return boolean
- */
- public function recipient($address)
- {
- return $this->sendCommand(
- 'RCPT TO',
- 'RCPT TO:<' . $address . '>',
- array(250, 251)
- );
- }
-
- /**
- * Send an SMTP RSET command.
- * Abort any transaction that is currently in progress.
- * Implements rfc 821: RSET <CRLF>
- * @access public
- * @return boolean True on success.
- */
- public function reset()
- {
- return $this->sendCommand('RSET', 'RSET', 250);
- }
-
- /**
- * Send a command to an SMTP server and check its return code.
- * @param string $command The command name - not sent to the server
- * @param string $commandstring The actual command to send
- * @param integer|array $expect One or more expected integer success codes
- * @access protected
- * @return boolean True on success.
- */
- protected function sendCommand($command, $commandstring, $expect)
- {
- if (!$this->connected()) {
- $this->setError("Called $command without being connected");
- return false;
- }
- //Reject line breaks in all commands
- if (strpos($commandstring, "\n") !== false or strpos($commandstring, "\r") !== false) {
- $this->setError("Command '$command' contained line breaks");
- return false;
- }
- $this->client_send($commandstring . self::CRLF);
-
- $this->last_reply = $this->get_lines();
- // Fetch SMTP code and possible error code explanation
- $matches = array();
- if (preg_match("/^([0-9]{3})[ -](?:([0-9]\\.[0-9]\\.[0-9]) )?/", $this->last_reply, $matches)) {
- $code = $matches[1];
- $code_ex = (count($matches) > 2 ? $matches[2] : null);
- // Cut off error code from each response line
- $detail = preg_replace(
- "/{$code}[ -]" .
- ($code_ex ? str_replace('.', '\\.', $code_ex) . ' ' : '') . "/m",
- '',
- $this->last_reply
- );
- } else {
- // Fall back to simple parsing if regex fails
- $code = substr($this->last_reply, 0, 3);
- $code_ex = null;
- $detail = substr($this->last_reply, 4);
- }
-
- $this->edebug('SERVER -> CLIENT: ' . $this->last_reply, self::DEBUG_SERVER);
-
- if (!in_array($code, (array)$expect)) {
- $this->setError(
- "$command command failed",
- $detail,
- $code,
- $code_ex
- );
- $this->edebug(
- 'SMTP ERROR: ' . $this->error['error'] . ': ' . $this->last_reply,
- self::DEBUG_CLIENT
- );
- return false;
- }
-
- $this->setError('');
- return true;
- }
-
- /**
- * Send an SMTP SAML command.
- * Starts a mail transaction from the email address specified in $from.
- * Returns true if successful or false otherwise. If True
- * the mail transaction is started and then one or more recipient
- * commands may be called followed by a data command. This command
- * will send the message to the users terminal if they are logged
- * in and send them an email.
- * Implements rfc 821: SAML <SP> FROM:<reverse-path> <CRLF>
- * @param string $from The address the message is from
- * @access public
- * @return boolean
- */
- public function sendAndMail($from)
- {
- return $this->sendCommand('SAML', "SAML FROM:$from", 250);
- }
-
- /**
- * Send an SMTP VRFY command.
- * @param string $name The name to verify
- * @access public
- * @return boolean
- */
- public function verify($name)
- {
- return $this->sendCommand('VRFY', "VRFY $name", array(250, 251));
- }
-
- /**
- * Send an SMTP NOOP command.
- * Used to keep keep-alives alive, doesn't actually do anything
- * @access public
- * @return boolean
- */
- public function noop()
- {
- return $this->sendCommand('NOOP', 'NOOP', 250);
- }
-
- /**
- * Send an SMTP TURN command.
- * This is an optional command for SMTP that this class does not support.
- * This method is here to make the RFC821 Definition complete for this class
- * and _may_ be implemented in future
- * Implements from rfc 821: TURN <CRLF>
- * @access public
- * @return boolean
- */
- public function turn()
- {
- $this->setError('The SMTP TURN command is not implemented');
- $this->edebug('SMTP NOTICE: ' . $this->error['error'], self::DEBUG_CLIENT);
- return false;
- }
-
- /**
- * Send raw data to the server.
- * @param string $data The data to send
- * @access public
- * @return integer|boolean The number of bytes sent to the server or false on error
- */
- public function client_send($data)
- {
- $this->edebug("CLIENT -> SERVER: $data", self::DEBUG_CLIENT);
- set_error_handler(array($this, 'errorHandler'));
- $result = fwrite($this->smtp_conn, $data);
- restore_error_handler();
- return $result;
- }
-
- /**
- * Get the latest error.
- * @access public
- * @return array
- */
- public function getError()
- {
- return $this->error;
- }
-
- /**
- * Get SMTP extensions available on the server
- * @access public
- * @return array|null
- */
- public function getServerExtList()
- {
- return $this->server_caps;
- }
-
- /**
- * A multipurpose method
- * The method works in three ways, dependent on argument value and current state
- * 1. HELO/EHLO was not sent - returns null and set up $this->error
- * 2. HELO was sent
- * $name = 'HELO': returns server name
- * $name = 'EHLO': returns boolean false
- * $name = any string: returns null and set up $this->error
- * 3. EHLO was sent
- * $name = 'HELO'|'EHLO': returns server name
- * $name = any string: if extension $name exists, returns boolean True
- * or its options. Otherwise returns boolean False
- * In other words, one can use this method to detect 3 conditions:
- * - null returned: handshake was not or we don't know about ext (refer to $this->error)
- * - false returned: the requested feature exactly not exists
- * - positive value returned: the requested feature exists
- * @param string $name Name of SMTP extension or 'HELO'|'EHLO'
- * @return mixed
- */
- public function getServerExt($name)
- {
- if (!$this->server_caps) {
- $this->setError('No HELO/EHLO was sent');
- return null;
- }
-
- // the tight logic knot ;)
- if (!array_key_exists($name, $this->server_caps)) {
- if ($name == 'HELO') {
- return $this->server_caps['EHLO'];
- }
- if ($name == 'EHLO' || array_key_exists('EHLO', $this->server_caps)) {
- return false;
- }
- $this->setError('HELO handshake was used. Client knows nothing about server extensions');
- return null;
- }
-
- return $this->server_caps[$name];
- }
-
- /**
- * Get the last reply from the server.
- * @access public
- * @return string
- */
- public function getLastReply()
- {
- return $this->last_reply;
- }
-
- /**
- * Read the SMTP server's response.
- * Either before eof or socket timeout occurs on the operation.
- * With SMTP we can tell if we have more lines to read if the
- * 4th character is '-' symbol. If it is a space then we don't
- * need to read anything else.
- * @access protected
- * @return string
- */
- protected function get_lines()
- {
- // If the connection is bad, give up straight away
- if (!is_resource($this->smtp_conn)) {
- return '';
- }
- $data = '';
- $endtime = 0;
- stream_set_timeout($this->smtp_conn, $this->Timeout);
- if ($this->Timelimit > 0) {
- $endtime = time() + $this->Timelimit;
- }
- while (is_resource($this->smtp_conn) && !feof($this->smtp_conn)) {
- $str = @fgets($this->smtp_conn, 515);
- $this->edebug("SMTP -> get_lines(): \$data is \"$data\"", self::DEBUG_LOWLEVEL);
- $this->edebug("SMTP -> get_lines(): \$str is \"$str\"", self::DEBUG_LOWLEVEL);
- $data .= $str;
- // If response is only 3 chars (not valid, but RFC5321 S4.2 says it must be handled),
- // or 4th character is a space, we are done reading, break the loop,
- // string array access is a micro-optimisation over strlen
- if (!isset($str[3]) or (isset($str[3]) and $str[3] == ' ')) {
- break;
- }
- // Timed-out? Log and break
- $info = stream_get_meta_data($this->smtp_conn);
- if ($info['timed_out']) {
- $this->edebug(
- 'SMTP -> get_lines(): timed-out (' . $this->Timeout . ' sec)',
- self::DEBUG_LOWLEVEL
- );
- break;
- }
- // Now check if reads took too long
- if ($endtime and time() > $endtime) {
- $this->edebug(
- 'SMTP -> get_lines(): timelimit reached (' .
- $this->Timelimit . ' sec)',
- self::DEBUG_LOWLEVEL
- );
- break;
- }
- }
- return $data;
- }
-
- /**
- * Enable or disable VERP address generation.
- * @param boolean $enabled
- */
- public function setVerp($enabled = false)
- {
- $this->do_verp = $enabled;
- }
-
- /**
- * Get VERP address generation mode.
- * @return boolean
- */
- public function getVerp()
- {
- return $this->do_verp;
- }
-
- /**
- * Set error messages and codes.
- * @param string $message The error message
- * @param string $detail Further detail on the error
- * @param string $smtp_code An associated SMTP error code
- * @param string $smtp_code_ex Extended SMTP code
- */
- protected function setError($message, $detail = '', $smtp_code = '', $smtp_code_ex = '')
- {
- $this->error = array(
- 'error' => $message,
- 'detail' => $detail,
- 'smtp_code' => $smtp_code,
- 'smtp_code_ex' => $smtp_code_ex
- );
- }
-
- /**
- * Set debug output method.
- * @param string|callable $method The name of the mechanism to use for debugging output, or a callable to handle it.
- */
- public function setDebugOutput($method = 'echo')
- {
- $this->Debugoutput = $method;
- }
-
- /**
- * Get debug output method.
- * @return string
- */
- public function getDebugOutput()
- {
- return $this->Debugoutput;
- }
-
- /**
- * Set debug output level.
- * @param integer $level
- */
- public function setDebugLevel($level = 0)
- {
- $this->do_debug = $level;
- }
-
- /**
- * Get debug output level.
- * @return integer
- */
- public function getDebugLevel()
- {
- return $this->do_debug;
- }
-
- /**
- * Set SMTP timeout.
- * @param integer $timeout
- */
- public function setTimeout($timeout = 0)
- {
- $this->Timeout = $timeout;
- }
-
- /**
- * Get SMTP timeout.
- * @return integer
- */
- public function getTimeout()
- {
- return $this->Timeout;
- }
-
- /**
- * Reports an error number and string.
- * @param integer $errno The error number returned by PHP.
- * @param string $errmsg The error message returned by PHP.
- * @param string $errfile The file the error occurred in
- * @param integer $errline The line number the error occurred on
- */
- protected function errorHandler($errno, $errmsg, $errfile = '', $errline = 0)
- {
- $notice = 'Connection failed.';
- $this->setError(
- $notice,
- $errno,
- $errmsg
- );
- $this->edebug(
- $notice . ' Error #' . $errno . ': ' . $errmsg . " [$errfile line $errline]",
- self::DEBUG_CONNECTION
- );
- }
-
- /**
- * Extract and return the ID of the last SMTP transaction based on
- * a list of patterns provided in SMTP::$smtp_transaction_id_patterns.
- * Relies on the host providing the ID in response to a DATA command.
- * If no reply has been received yet, it will return null.
- * If no pattern was matched, it will return false.
- * @return bool|null|string
- */
- protected function recordLastTransactionID()
- {
- $reply = $this->getLastReply();
-
- if (empty($reply)) {
- $this->last_smtp_transaction_id = null;
- } else {
- $this->last_smtp_transaction_id = false;
- foreach ($this->smtp_transaction_id_patterns as $smtp_transaction_id_pattern) {
- if (preg_match($smtp_transaction_id_pattern, $reply, $matches)) {
- $this->last_smtp_transaction_id = $matches[1];
- }
- }
- }
-
- return $this->last_smtp_transaction_id;
- }
-
- /**
- * Get the queue/transaction ID of the last SMTP transaction
- * If no reply has been received yet, it will return null.
- * If no pattern was matched, it will return false.
- * @return bool|null|string
- * @see recordLastTransactionID()
- */
- public function getLastTransactionID()
- {
- return $this->last_smtp_transaction_id;
- }
-}
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+_deprecated_file( basename( __FILE__ ), '5.5.0', WPINC . '/PHPMailer/SMTP.php', __( 'The SMTP class has been moved to the wp-includes/PHPMailer subdirectory and now uses the PHPMailer\PHPMailer namespace.' ) );
+require __DIR__ . '/PHPMailer/SMTP.php';
</ins></span></pre></div>
<a id="trunksrcwpincludespluggablephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/src/wp-includes/pluggable.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/pluggable.php 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/src/wp-includes/pluggable.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -158,7 +158,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 1.2.1
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @global PHPMailer $phpmailer
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @global PHPMailer\PHPMailer\PHPMailer $phpmailer
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string|array $to Array or comma-separated list of email addresses to send message.
</span><span class="cx" style="display: block; padding: 0 10px"> * @param string $subject Email subject
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -210,10 +210,11 @@
</span><span class="cx" style="display: block; padding: 0 10px"> global $phpmailer;
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // (Re)create it, if it's gone missing.
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( ! ( $phpmailer instanceof PHPMailer ) ) {
- require_once ABSPATH . WPINC . '/class-phpmailer.php';
- require_once ABSPATH . WPINC . '/class-smtp.php';
- $phpmailer = new PHPMailer( true );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( ! ( $phpmailer instanceof PHPMailer\PHPMailer\PHPMailer ) ) {
+ require_once ABSPATH . WPINC . '/PHPMailer/PHPMailer.php';
+ require_once ABSPATH . WPINC . '/PHPMailer/SMTP.php';
+ require_once ABSPATH . WPINC . '/PHPMailer/Exception.php';
+ $phpmailer = new PHPMailer\PHPMailer\PHPMailer( true );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Headers.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -356,7 +357,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> try {
</span><span class="cx" style="display: block; padding: 0 10px"> $phpmailer->setFrom( $from_email, $from_name, false );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } catch ( phpmailerException $e ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } catch ( PHPMailer\PHPMailer\Exception $e ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
</span><span class="cx" style="display: block; padding: 0 10px"> $mail_error_data['phpmailer_exception_code'] = $e->getCode();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -404,7 +405,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $phpmailer->addReplyTo( $address, $recipient_name );
</span><span class="cx" style="display: block; padding: 0 10px"> break;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } catch ( phpmailerException $e ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } catch ( PHPMailer\PHPMailer\Exception $e ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> continue;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -455,12 +456,16 @@
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( (array) $headers as $name => $content ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // Only add custom headers not added automatically by PHPMailer.
</span><span class="cx" style="display: block; padding: 0 10px"> if ( ! in_array( $name, array( 'MIME-Version', 'X-Mailer' ), true ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ try {
+ $phpmailer->addCustomHeader( sprintf( '%1$s: %2$s', $name, $content ) );
+ } catch ( PHPMailer\PHPMailer\Exception $e ) {
+ continue;
+ }
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> if ( false !== stripos( $content_type, 'multipart' ) && ! empty( $boundary ) ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $phpmailer->addCustomHeader( sprintf( "Content-Type: %s;\n\t boundary=\"%s\"", $content_type, $boundary ) );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $phpmailer->addCustomHeader( sprintf( 'Content-Type: %s; boundary="%s"', $content_type, $boundary ) );
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -468,7 +473,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( $attachments as $attachment ) {
</span><span class="cx" style="display: block; padding: 0 10px"> try {
</span><span class="cx" style="display: block; padding: 0 10px"> $phpmailer->addAttachment( $attachment );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } catch ( phpmailerException $e ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } catch ( PHPMailer\PHPMailer\Exception $e ) {
</ins><span class="cx" style="display: block; padding: 0 10px"> continue;
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -486,17 +491,17 @@
</span><span class="cx" style="display: block; padding: 0 10px"> // Send!
</span><span class="cx" style="display: block; padding: 0 10px"> try {
</span><span class="cx" style="display: block; padding: 0 10px"> return $phpmailer->send();
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- } catch ( phpmailerException $e ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ } catch ( PHPMailer\PHPMailer\Exception $e ) {
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $mail_error_data = compact( 'to', 'subject', 'message', 'headers', 'attachments' );
</span><span class="cx" style="display: block; padding: 0 10px"> $mail_error_data['phpmailer_exception_code'] = $e->getCode();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Fires after a phpmailerException is caught.
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * Fires after a PHPMailer\PHPMailer\Exception is caught.
</ins><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 4.4.0
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * @param WP_Error $error A WP_Error object with the phpmailerException message, and an array
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ * @param WP_Error $error A WP_Error object with the PHPMailer\PHPMailer\Exception message, and an array
</ins><span class="cx" style="display: block; padding: 0 10px"> * containing the mail recipient, subject, message, headers, and attachments.
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> do_action( 'wp_mail_failed', new WP_Error( 'wp_mail_failed', $e->getMessage(), $mail_error_data ) );
</span></span></pre></div>
<a id="trunktestsphpunitincludesmockmailerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/includes/mock-mailer.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/includes/mock-mailer.php 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/tests/phpunit/includes/mock-mailer.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,7 +1,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-require_once ABSPATH . '/wp-includes/class-phpmailer.php';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+require_once ABSPATH . '/wp-includes/PHPMailer/PHPMailer.php';
+require_once ABSPATH . '/wp-includes/PHPMailer/Exception.php';
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-class MockPHPMailer extends PHPMailer {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+class MockPHPMailer extends PHPMailer\PHPMailer\PHPMailer {
</ins><span class="cx" style="display: block; padding: 0 10px"> var $mock_sent = array();
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> function preSend() {
</span></span></pre></div>
<a id="trunktestsphpunittestsmailphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/phpunit/tests/mail.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/mail.php 2020-06-12 15:09:35 UTC (rev 48032)
+++ trunk/tests/phpunit/tests/mail.php 2020-06-12 15:45:30 UTC (rev 48033)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -81,7 +81,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // We need some better assertions here but these catch the failure for now.
</span><span class="cx" style="display: block; padding: 0 10px"> $this->assertEquals( $body, $mailer->get_sent()->body );
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $this->assertTrue( strpos( $mailer->get_sent()->header, 'boundary="----=_Part_4892_25692638.1192452070893"' ) > 0 );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $this->assertTrue( strpos( iconv_mime_decode_headers( ( $mailer->get_sent()->header ) )['Content-Type'][0], 'boundary="----=_Part_4892_25692638.1192452070893"' ) > 0 );
</ins><span class="cx" style="display: block; padding: 0 10px"> $this->assertTrue( strpos( $mailer->get_sent()->header, 'charset=' ) > 0 );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span><span class="cx" style="display: block; padding: 0 10px">
</span></span></pre>
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