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<title>[59142] trunk/src/wp-includes/SimplePie/src: External Libraries: Correct the case for `wp-includes/SimplePie/src/Gzdecode.php`.</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/59142">59142</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/59142","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>SergeyBiryukov</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2024-09-30 23:25:41 +0000 (Mon, 30 Sep 2024)</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: Correct the case for `wp-includes/SimplePie/src/Gzdecode.php`.
The file should be named `Gzdecode.php` (with the capital G), to avoid autoloading problems on case-sensitive file systems (*nix).
Follow-up to <a href="https://core.trac.wordpress.org/changeset/59141">[59141]</a>.
Props jrf.
See <a href="https://core.trac.wordpress.org/ticket/55604">#55604</a>.</pre>
<h3>Added Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesSimplePiesrcGzdecodephp">trunk/src/wp-includes/SimplePie/src/Gzdecode.php</a></li>
</ul>
<h3>Removed Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesSimplePiesrcgzdecodephp">trunk/src/wp-includes/SimplePie/src/gzdecode.php</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesSimplePiesrcGzdecodephpfromrev59141trunksrcwpincludesSimplePiesrcgzdecodephp"></a>
<div class="copfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Copied: trunk/src/wp-includes/SimplePie/src/Gzdecode.php (from rev 59141, trunk/src/wp-includes/SimplePie/src/gzdecode.php)</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/SimplePie/src/Gzdecode.php (rev 0)
+++ trunk/src/wp-includes/SimplePie/src/Gzdecode.php 2024-09-30 23:25:41 UTC (rev 59142)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,346 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * * Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
+ * @author Ryan Parman
+ * @author Sam Sneddon
+ * @author Ryan McCue
+ * @link http://simplepie.org/ SimplePie
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ */
+
+namespace SimplePie;
+
+/**
+ * Decode 'gzip' encoded HTTP data
+ *
+ * @package SimplePie
+ * @subpackage HTTP
+ * @link http://www.gzip.org/format.txt
+ */
+class Gzdecode
+{
+ /**
+ * Compressed data
+ *
+ * @access private
+ * @var string
+ * @see gzdecode::$data
+ */
+ public $compressed_data;
+
+ /**
+ * Size of compressed data
+ *
+ * @access private
+ * @var int
+ */
+ public $compressed_size;
+
+ /**
+ * Minimum size of a valid gzip string
+ *
+ * @access private
+ * @var int
+ */
+ public $min_compressed_size = 18;
+
+ /**
+ * Current position of pointer
+ *
+ * @access private
+ * @var int
+ */
+ public $position = 0;
+
+ /**
+ * Flags (FLG)
+ *
+ * @access private
+ * @var int
+ */
+ public $flags;
+
+ /**
+ * Uncompressed data
+ *
+ * @access public
+ * @see gzdecode::$compressed_data
+ * @var string
+ */
+ public $data;
+
+ /**
+ * Modified time
+ *
+ * @access public
+ * @var int
+ */
+ public $MTIME;
+
+ /**
+ * Extra Flags
+ *
+ * @access public
+ * @var int
+ */
+ public $XFL;
+
+ /**
+ * Operating System
+ *
+ * @access public
+ * @var int
+ */
+ public $OS;
+
+ /**
+ * Subfield ID 1
+ *
+ * @access public
+ * @see gzdecode::$extra_field
+ * @see gzdecode::$SI2
+ * @var string
+ */
+ public $SI1;
+
+ /**
+ * Subfield ID 2
+ *
+ * @access public
+ * @see gzdecode::$extra_field
+ * @see gzdecode::$SI1
+ * @var string
+ */
+ public $SI2;
+
+ /**
+ * Extra field content
+ *
+ * @access public
+ * @see gzdecode::$SI1
+ * @see gzdecode::$SI2
+ * @var string
+ */
+ public $extra_field;
+
+ /**
+ * Original filename
+ *
+ * @access public
+ * @var string
+ */
+ public $filename;
+
+ /**
+ * Human readable comment
+ *
+ * @access public
+ * @var string
+ */
+ public $comment;
+
+ /**
+ * Don't allow anything to be set
+ *
+ * @param string $name
+ * @param mixed $value
+ */
+ public function __set($name, $value)
+ {
+ throw new Exception("Cannot write property $name");
+ }
+
+ /**
+ * Set the compressed string and related properties
+ *
+ * @param string $data
+ */
+ public function __construct($data)
+ {
+ $this->compressed_data = $data;
+ $this->compressed_size = strlen($data);
+ }
+
+ /**
+ * Decode the GZIP stream
+ *
+ * @return bool Successfulness
+ */
+ public function parse()
+ {
+ if ($this->compressed_size >= $this->min_compressed_size) {
+ $len = 0;
+
+ // Check ID1, ID2, and CM
+ if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") {
+ return false;
+ }
+
+ // Get the FLG (FLaGs)
+ $this->flags = ord($this->compressed_data[3]);
+
+ // FLG bits above (1 << 4) are reserved
+ if ($this->flags > 0x1F) {
+ return false;
+ }
+
+ // Advance the pointer after the above
+ $this->position += 4;
+
+ // MTIME
+ $mtime = substr($this->compressed_data, $this->position, 4);
+ // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
+ if (current(unpack('S', "\x00\x01")) === 1) {
+ $mtime = strrev($mtime);
+ }
+ $this->MTIME = current(unpack('l', $mtime));
+ $this->position += 4;
+
+ // Get the XFL (eXtra FLags)
+ $this->XFL = ord($this->compressed_data[$this->position++]);
+
+ // Get the OS (Operating System)
+ $this->OS = ord($this->compressed_data[$this->position++]);
+
+ // Parse the FEXTRA
+ if ($this->flags & 4) {
+ // Read subfield IDs
+ $this->SI1 = $this->compressed_data[$this->position++];
+ $this->SI2 = $this->compressed_data[$this->position++];
+
+ // SI2 set to zero is reserved for future use
+ if ($this->SI2 === "\x00") {
+ return false;
+ }
+
+ // Get the length of the extra field
+ $len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+ $this->position += 2;
+
+ // Check the length of the string is still valid
+ $this->min_compressed_size += $len + 4;
+ if ($this->compressed_size >= $this->min_compressed_size) {
+ // Set the extra field to the given data
+ $this->extra_field = substr($this->compressed_data, $this->position, $len);
+ $this->position += $len;
+ } else {
+ return false;
+ }
+ }
+
+ // Parse the FNAME
+ if ($this->flags & 8) {
+ // Get the length of the filename
+ $len = strcspn($this->compressed_data, "\x00", $this->position);
+
+ // Check the length of the string is still valid
+ $this->min_compressed_size += $len + 1;
+ if ($this->compressed_size >= $this->min_compressed_size) {
+ // Set the original filename to the given string
+ $this->filename = substr($this->compressed_data, $this->position, $len);
+ $this->position += $len + 1;
+ } else {
+ return false;
+ }
+ }
+
+ // Parse the FCOMMENT
+ if ($this->flags & 16) {
+ // Get the length of the comment
+ $len = strcspn($this->compressed_data, "\x00", $this->position);
+
+ // Check the length of the string is still valid
+ $this->min_compressed_size += $len + 1;
+ if ($this->compressed_size >= $this->min_compressed_size) {
+ // Set the original comment to the given string
+ $this->comment = substr($this->compressed_data, $this->position, $len);
+ $this->position += $len + 1;
+ } else {
+ return false;
+ }
+ }
+
+ // Parse the FHCRC
+ if ($this->flags & 2) {
+ // Check the length of the string is still valid
+ $this->min_compressed_size += $len + 2;
+ if ($this->compressed_size >= $this->min_compressed_size) {
+ // Read the CRC
+ $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
+
+ // Check the CRC matches
+ if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) {
+ $this->position += 2;
+ } else {
+ return false;
+ }
+ } else {
+ return false;
+ }
+ }
+
+ // Decompress the actual data
+ if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) {
+ return false;
+ }
+
+ $this->position = $this->compressed_size - 8;
+
+ // Check CRC of data
+ $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+ $this->position += 4;
+ /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
+ {
+ return false;
+ }*/
+
+ // Check ISIZE of data
+ $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
+ $this->position += 4;
+ if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) {
+ return false;
+ }
+
+ // Wow, against all odds, we've actually got a valid gzip string
+ return true;
+ }
+
+ return false;
+ }
+}
+
+class_alias('SimplePie\Gzdecode', 'SimplePie_gzdecode');
</ins></span></pre></div>
<a id="trunksrcwpincludesSimplePiesrcgzdecodephp"></a>
<div class="delfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Deleted: trunk/src/wp-includes/SimplePie/src/gzdecode.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/SimplePie/src/gzdecode.php 2024-09-30 22:48:16 UTC (rev 59141)
+++ trunk/src/wp-includes/SimplePie/src/gzdecode.php 2024-09-30 23:25:41 UTC (rev 59142)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1,346 +0,0 @@
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-<?php
-
-/**
- * SimplePie
- *
- * A PHP-Based RSS and Atom Feed Framework.
- * Takes the hard work out of managing a complete RSS/Atom solution.
- *
- * Copyright (c) 2004-2022, Ryan Parman, Sam Sneddon, Ryan McCue, and contributors
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification, are
- * permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice, this list of
- * conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice, this list
- * of conditions and the following disclaimer in the documentation and/or other materials
- * provided with the distribution.
- *
- * * Neither the name of the SimplePie Team nor the names of its contributors may be used
- * to endorse or promote products derived from this software without specific prior
- * written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
- * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
- * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
- * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- *
- * @package SimplePie
- * @copyright 2004-2016 Ryan Parman, Sam Sneddon, Ryan McCue
- * @author Ryan Parman
- * @author Sam Sneddon
- * @author Ryan McCue
- * @link http://simplepie.org/ SimplePie
- * @license http://www.opensource.org/licenses/bsd-license.php BSD License
- */
-
-namespace SimplePie;
-
-/**
- * Decode 'gzip' encoded HTTP data
- *
- * @package SimplePie
- * @subpackage HTTP
- * @link http://www.gzip.org/format.txt
- */
-class Gzdecode
-{
- /**
- * Compressed data
- *
- * @access private
- * @var string
- * @see gzdecode::$data
- */
- public $compressed_data;
-
- /**
- * Size of compressed data
- *
- * @access private
- * @var int
- */
- public $compressed_size;
-
- /**
- * Minimum size of a valid gzip string
- *
- * @access private
- * @var int
- */
- public $min_compressed_size = 18;
-
- /**
- * Current position of pointer
- *
- * @access private
- * @var int
- */
- public $position = 0;
-
- /**
- * Flags (FLG)
- *
- * @access private
- * @var int
- */
- public $flags;
-
- /**
- * Uncompressed data
- *
- * @access public
- * @see gzdecode::$compressed_data
- * @var string
- */
- public $data;
-
- /**
- * Modified time
- *
- * @access public
- * @var int
- */
- public $MTIME;
-
- /**
- * Extra Flags
- *
- * @access public
- * @var int
- */
- public $XFL;
-
- /**
- * Operating System
- *
- * @access public
- * @var int
- */
- public $OS;
-
- /**
- * Subfield ID 1
- *
- * @access public
- * @see gzdecode::$extra_field
- * @see gzdecode::$SI2
- * @var string
- */
- public $SI1;
-
- /**
- * Subfield ID 2
- *
- * @access public
- * @see gzdecode::$extra_field
- * @see gzdecode::$SI1
- * @var string
- */
- public $SI2;
-
- /**
- * Extra field content
- *
- * @access public
- * @see gzdecode::$SI1
- * @see gzdecode::$SI2
- * @var string
- */
- public $extra_field;
-
- /**
- * Original filename
- *
- * @access public
- * @var string
- */
- public $filename;
-
- /**
- * Human readable comment
- *
- * @access public
- * @var string
- */
- public $comment;
-
- /**
- * Don't allow anything to be set
- *
- * @param string $name
- * @param mixed $value
- */
- public function __set($name, $value)
- {
- throw new Exception("Cannot write property $name");
- }
-
- /**
- * Set the compressed string and related properties
- *
- * @param string $data
- */
- public function __construct($data)
- {
- $this->compressed_data = $data;
- $this->compressed_size = strlen($data);
- }
-
- /**
- * Decode the GZIP stream
- *
- * @return bool Successfulness
- */
- public function parse()
- {
- if ($this->compressed_size >= $this->min_compressed_size) {
- $len = 0;
-
- // Check ID1, ID2, and CM
- if (substr($this->compressed_data, 0, 3) !== "\x1F\x8B\x08") {
- return false;
- }
-
- // Get the FLG (FLaGs)
- $this->flags = ord($this->compressed_data[3]);
-
- // FLG bits above (1 << 4) are reserved
- if ($this->flags > 0x1F) {
- return false;
- }
-
- // Advance the pointer after the above
- $this->position += 4;
-
- // MTIME
- $mtime = substr($this->compressed_data, $this->position, 4);
- // Reverse the string if we're on a big-endian arch because l is the only signed long and is machine endianness
- if (current(unpack('S', "\x00\x01")) === 1) {
- $mtime = strrev($mtime);
- }
- $this->MTIME = current(unpack('l', $mtime));
- $this->position += 4;
-
- // Get the XFL (eXtra FLags)
- $this->XFL = ord($this->compressed_data[$this->position++]);
-
- // Get the OS (Operating System)
- $this->OS = ord($this->compressed_data[$this->position++]);
-
- // Parse the FEXTRA
- if ($this->flags & 4) {
- // Read subfield IDs
- $this->SI1 = $this->compressed_data[$this->position++];
- $this->SI2 = $this->compressed_data[$this->position++];
-
- // SI2 set to zero is reserved for future use
- if ($this->SI2 === "\x00") {
- return false;
- }
-
- // Get the length of the extra field
- $len = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
- $this->position += 2;
-
- // Check the length of the string is still valid
- $this->min_compressed_size += $len + 4;
- if ($this->compressed_size >= $this->min_compressed_size) {
- // Set the extra field to the given data
- $this->extra_field = substr($this->compressed_data, $this->position, $len);
- $this->position += $len;
- } else {
- return false;
- }
- }
-
- // Parse the FNAME
- if ($this->flags & 8) {
- // Get the length of the filename
- $len = strcspn($this->compressed_data, "\x00", $this->position);
-
- // Check the length of the string is still valid
- $this->min_compressed_size += $len + 1;
- if ($this->compressed_size >= $this->min_compressed_size) {
- // Set the original filename to the given string
- $this->filename = substr($this->compressed_data, $this->position, $len);
- $this->position += $len + 1;
- } else {
- return false;
- }
- }
-
- // Parse the FCOMMENT
- if ($this->flags & 16) {
- // Get the length of the comment
- $len = strcspn($this->compressed_data, "\x00", $this->position);
-
- // Check the length of the string is still valid
- $this->min_compressed_size += $len + 1;
- if ($this->compressed_size >= $this->min_compressed_size) {
- // Set the original comment to the given string
- $this->comment = substr($this->compressed_data, $this->position, $len);
- $this->position += $len + 1;
- } else {
- return false;
- }
- }
-
- // Parse the FHCRC
- if ($this->flags & 2) {
- // Check the length of the string is still valid
- $this->min_compressed_size += $len + 2;
- if ($this->compressed_size >= $this->min_compressed_size) {
- // Read the CRC
- $crc = current(unpack('v', substr($this->compressed_data, $this->position, 2)));
-
- // Check the CRC matches
- if ((crc32(substr($this->compressed_data, 0, $this->position)) & 0xFFFF) === $crc) {
- $this->position += 2;
- } else {
- return false;
- }
- } else {
- return false;
- }
- }
-
- // Decompress the actual data
- if (($this->data = gzinflate(substr($this->compressed_data, $this->position, -8))) === false) {
- return false;
- }
-
- $this->position = $this->compressed_size - 8;
-
- // Check CRC of data
- $crc = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
- $this->position += 4;
- /*if (extension_loaded('hash') && sprintf('%u', current(unpack('V', hash('crc32b', $this->data)))) !== sprintf('%u', $crc))
- {
- return false;
- }*/
-
- // Check ISIZE of data
- $isize = current(unpack('V', substr($this->compressed_data, $this->position, 4)));
- $this->position += 4;
- if (sprintf('%u', strlen($this->data) & 0xFFFFFFFF) !== sprintf('%u', $isize)) {
- return false;
- }
-
- // Wow, against all odds, we've actually got a valid gzip string
- return true;
- }
-
- return false;
- }
-}
-
-class_alias('SimplePie\Gzdecode', 'SimplePie_gzdecode');
</del></span></pre>
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