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<title>[40713] branches/3.9: Customize: Ignore invalid customization sessions.</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/40713">40713</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/40713","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>ocean90</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2017-05-16 12:20:44 +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'>Customize: Ignore invalid customization sessions.
Merge of <a href="https://core.trac.wordpress.org/changeset/40704">[40704]</a> to the 3.9 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches39srcwpadminjscustomizecontrolsjs">branches/3.9/src/wp-admin/js/customize-controls.js</a></li>
<li><a href="#branches39srcwpincludesclasswpcustomizemanagerphp">branches/3.9/src/wp-includes/class-wp-customize-manager.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 12:19:44 UTC (rev 40712)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/3.9 2017-05-16 12:20:44 UTC (rev 40713)
</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
</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
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches39srcwpadminjscustomizecontrolsjs"></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/js/customize-controls.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/3.9/src/wp-admin/js/customize-controls.js 2017-05-16 12:19:44 UTC (rev 40712)
+++ branches/3.9/src/wp-admin/js/customize-controls.js 2017-05-16 12:20:44 UTC (rev 40713)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1004,6 +1004,16 @@
</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">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ // Ensure preview nonce is included with every customized request, to allow post data to be read.
+ $.ajaxPrefilter( function injectPreviewNonce( options ) {
+ if ( ! /wp_customize=on/.test( options.data ) ) {
+ return;
+ }
+ options.data += '&' + $.param({
+ customize_preview_nonce: api.settings.nonce.preview
+ });
+ });
+
</ins><span class="cx" style="display: block; padding: 0 10px"> // Refresh the nonces if the preview sends updated nonces over.
</span><span class="cx" style="display: block; padding: 0 10px"> previewer.bind( 'nonce', function( nonce ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $.extend( this.nonce, nonce );
</span></span></pre></div>
<a id="branches39srcwpincludesclasswpcustomizemanagerphp"></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-includes/class-wp-customize-manager.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/3.9/src/wp-includes/class-wp-customize-manager.php 2017-05-16 12:19:44 UTC (rev 40712)
+++ branches/3.9/src/wp-includes/class-wp-customize-manager.php 2017-05-16 12:20:44 UTC (rev 40713)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -163,6 +163,24 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> $this->theme = wp_get_theme( isset( $_REQUEST['theme'] ) ? $_REQUEST['theme'] : null );
</span><span class="cx" style="display: block; padding: 0 10px">
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ /*
+ * Clear incoming post data if the user lacks a CSRF token (nonce). Note that the customizer
+ * application will inject the customize_preview_nonce query parameter into all Ajax requests.
+ * For similar behavior elsewhere in WordPress, see rest_cookie_check_errors() which logs out
+ * a user when a valid nonce isn't present.
+ */
+ $has_post_data_nonce = (
+ check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'nonce', false )
+ ||
+ check_ajax_referer( 'save-customize_' . $this->get_stylesheet(), 'nonce', false )
+ ||
+ check_ajax_referer( 'preview-customize_' . $this->get_stylesheet(), 'customize_preview_nonce', false )
+ );
+ if ( ! $has_post_data_nonce ) {
+ unset( $_POST['customized'] );
+ unset( $_REQUEST['customized'] );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> if ( $this->is_theme_active() ) {
</span><span class="cx" style="display: block; padding: 0 10px"> // Once the theme is loaded, we'll validate it.
</span><span class="cx" style="display: block; padding: 0 10px"> add_action( 'after_setup_theme', array( $this, 'after_setup_theme' ) );
</span></span></pre>
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