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<title>[40732] branches/3.9: Add nonce for updating file system credentials.</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/40732">40732</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/40732","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>aaroncampbell</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-05-16 14:56:10 +0000 (Tue, 16 May 2017)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Add nonce for updating file system credentials.
Merges <a href="https://core.trac.wordpress.org/changeset/40723">[40723]</a> to 3.9 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches39srcwpadminincludesfilephp">branches/3.9/src/wp-admin/includes/file.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches39">branches/3.9/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/3.9
</span><span class="cx" style="display: block; padding: 0 10px">===================================================================
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">--- branches/3.9 2017-05-16 14:55:29 UTC (rev 40731)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/3.9 2017-05-16 14:56:10 UTC (rev 40732)
</ins><a id="branches39"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/3.9</h4>
<pre class="diff"><span>
</span></pre></div>
<a id="svnmergeinfo"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: svn:mergeinfo</h4></div>
<span class="cx" style="display: block; padding: 0 10px"> /branches/4.2:33499
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.3:39765
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/4.6:38615
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-/trunk:18512,28158,28161,28163,28165-28166,28168-28169,28171-28174,28176-28187,28189-28191,28193-28195,28203,28219,28223,28266,28269,28275-28276,28280,28284,29327,29377-29378,29381-29382,29397,29404,29631,29783,30412,30417,30422,30425,30430,30435,30438,30443,30458,30466,33124,33142,36083,36435,37651,38524,39645,39659,39759,39772,39795,39807-39808,39831,39850,39956,40148,40169,40183,40241,40400,40604,40677,40692,40704
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,28158,28161,28163,28165-28166,28168-28169,28171-28174,28176-28187,28189-28191,28193-28195,28203,28219,28223,28266,28269,28275-28276,28280,28284,29327,29377-29378,29381-29382,29397,29404,29631,29783,30412,30417,30422,30425,30430,30435,30438,30443,30458,30466,33124,33142,36083,36435,37651,38524,39645,39659,39759,39772,39795,39807-39808,39831,39850,39956,40148,40169,40183,40241,40400,40604,40677,40692,40704,40723
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches39srcwpadminincludesfilephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/3.9/src/wp-admin/includes/file.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/3.9/src/wp-admin/includes/file.php 2017-05-16 14:55:29 UTC (rev 40731)
+++ branches/3.9/src/wp-admin/includes/file.php 2017-05-16 14:56:10 UTC (rev 40732)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1018,14 +1018,28 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $credentials = get_option('ftp_credentials', array( 'hostname' => '', 'username' => ''));
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $submitted_form = wp_unslash( $_POST );
+
+ // Verify nonce, or unset submitted form field values on failure
+ if ( ! isset( $_POST['_fs_nonce'] ) || ! wp_verify_nonce( $_POST['_fs_nonce'], 'filesystem-credentials' ) ) {
+ unset(
+ $submitted_form['hostname'],
+ $submitted_form['username'],
+ $submitted_form['password'],
+ $submitted_form['public_key'],
+ $submitted_form['private_key'],
+ $submitted_form['connection_type']
+ );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // If defined, set it to that, Else, If POST'd, set it to that, If not, Set it to whatever it previously was(saved details in option)
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($_POST['hostname']) ? wp_unslash( $_POST['hostname'] ) : $credentials['hostname']);
- $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($_POST['username']) ? wp_unslash( $_POST['username'] ) : $credentials['username']);
- $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($_POST['password']) ? wp_unslash( $_POST['password'] ) : '');
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $credentials['hostname'] = defined('FTP_HOST') ? FTP_HOST : (!empty($submitted_form['hostname']) ? $submitted_form['hostname'] : $credentials['hostname']);
+ $credentials['username'] = defined('FTP_USER') ? FTP_USER : (!empty($submitted_form['username']) ? $submitted_form['username'] : $credentials['username']);
+ $credentials['password'] = defined('FTP_PASS') ? FTP_PASS : (!empty($submitted_form['password']) ? $submitted_form['password'] : '');
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> // Check to see if we are setting the public/private keys for ssh
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($_POST['public_key']) ? wp_unslash( $_POST['public_key'] ) : '');
- $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($_POST['private_key']) ? wp_unslash( $_POST['private_key'] ) : '');
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ $credentials['public_key'] = defined('FTP_PUBKEY') ? FTP_PUBKEY : (!empty($submitted_form['public_key']) ? $submitted_form['public_key'] : '');
+ $credentials['private_key'] = defined('FTP_PRIKEY') ? FTP_PRIKEY : (!empty($submitted_form['private_key']) ? $submitted_form['private_key'] : '');
</ins><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> //sanitize the hostname, Some people might pass in odd-data:
</span><span class="cx" style="display: block; padding: 0 10px"> $credentials['hostname'] = preg_replace('|\w+://|', '', $credentials['hostname']); //Strip any schemes off
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1042,8 +1056,8 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $credentials['connection_type'] = 'ssh';
</span><span class="cx" style="display: block; padding: 0 10px"> else if ( (defined('FTP_SSL') && FTP_SSL) && 'ftpext' == $type ) //Only the FTP Extension understands SSL
</span><span class="cx" style="display: block; padding: 0 10px"> $credentials['connection_type'] = 'ftps';
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- else if ( !empty($_POST['connection_type']) )
- $credentials['connection_type'] = wp_unslash( $_POST['connection_type'] );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ else if ( !empty($submitted_form['connection_type']) )
+ $credentials['connection_type'] = $submitted_form['connection_type'];
</ins><span class="cx" style="display: block; padding: 0 10px"> else if ( !isset($credentials['connection_type']) ) //All else fails (And it's not defaulted to something else saved), Default to FTP
</span><span class="cx" style="display: block; padding: 0 10px"> $credentials['connection_type'] = 'ftp';
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1179,11 +1193,14 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span><span class="cx" style="display: block; padding: 0 10px"> foreach ( (array) $extra_fields as $field ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- if ( isset( $_POST[ $field ] ) )
- echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( wp_unslash( $_POST[ $field ] ) ) . '" />';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ if ( isset( $submitted_form[ $field ] ) )
+ echo '<input type="hidden" name="' . esc_attr( $field ) . '" value="' . esc_attr( $submitted_form[ $field ] ) . '" />';
</ins><span class="cx" style="display: block; padding: 0 10px"> }
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-submit_button( __( 'Proceed' ), 'button', 'upgrade' );
</del><span class="cx" style="display: block; padding: 0 10px"> ?>
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ <p class="request-filesystem-credentials-action-buttons">
+ <?php wp_nonce_field( 'filesystem-credentials', '_fs_nonce', false, true ); ?>
+ <?php submit_button( __( 'Proceed' ), 'button', 'upgrade', false ); ?>
+ </p>
</ins><span class="cx" style="display: block; padding: 0 10px"> </div>
</span><span class="cx" style="display: block; padding: 0 10px"> </form>
</span><span class="cx" style="display: block; padding: 0 10px"> <?php
</span></span></pre>
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