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<title>[40707] branches/4.5: 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/40707">40707</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/40707","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 12:15:06 +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 4.5 branch.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branches45srcwpadmincustomizephp">branches/4.5/src/wp-admin/customize.php</a></li>
<li><a href="#branches45srcwpadminjscustomizecontrolsjs">branches/4.5/src/wp-admin/js/customize-controls.js</a></li>
<li><a href="#branches45srcwpincludesclasswpcustomizemanagerphp">branches/4.5/src/wp-includes/class-wp-customize-manager.php</a></li>
</ul>
<h3>Property Changed</h3>
<ul>
<li><a href="#branches45">branches/4.5/</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<span class="cx" style="display: block; padding: 0 10px">Index: branches/4.5
</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/4.5 2017-05-16 12:14:07 UTC (rev 40706)
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+++ branches/4.5 2017-05-16 12:15:06 UTC (rev 40707)
</ins><a id="branches45"></a>
<div class="propset"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Property changes: branches/4.5</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/3.3:20543
</span><span class="cx" style="display: block; padding: 0 10px"> /branches/3.4:21757
</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:18512,37192,37228,37247,37249,37273,37282,37285,37288,37301,37352,37417,37433,37435,37448,37452,37472,37525-37527,37559,37651,37678,37708,37710,37724,37729-37730,37748,37755,38524,39645,39659,39759-39760,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40195,40241,40255,40257-40259,40269,40271,40400,40538,40604,40677,40692
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+/trunk:18512,37192,37228,37247,37249,37273,37282,37285,37288,37301,37352,37417,37433,37435,37448,37452,37472,37525-37527,37559,37651,37678,37708,37710,37724,37729-37730,37748,37755,38524,39645,39659,39759-39760,39772,39795,39807-39808,39831,39850,39956,40148,40160,40169,40183,40195,40241,40255,40257-40259,40269,40271,40400,40538,40604,40677,40692,40704
</ins><span class="cx" style="display: block; padding: 0 10px">\ No newline at end of property
</span><a id="branches45srcwpadmincustomizephp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.5/src/wp-admin/customize.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.5/src/wp-admin/customize.php 2017-05-16 12:14:07 UTC (rev 40706)
+++ branches/4.5/src/wp-admin/customize.php 2017-05-16 12:15:06 UTC (rev 40707)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -132,7 +132,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> <div id="customize-info" class="accordion-section customize-info">
</span><span class="cx" style="display: block; padding: 0 10px"> <div class="accordion-section-title">
</span><span class="cx" style="display: block; padding: 0 10px"> <span class="preview-notice"><?php
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title site-title">' . get_bloginfo( 'name' ) . '</strong>' );
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ echo sprintf( __( 'You are customizing %s' ), '<strong class="panel-title site-title">' . get_bloginfo( 'name', 'display' ) . '</strong>' );
</ins><span class="cx" style="display: block; padding: 0 10px"> ?></span>
</span><span class="cx" style="display: block; padding: 0 10px"> <button class="customize-help-toggle dashicons dashicons-editor-help" aria-expanded="false"><span class="screen-reader-text"><?php _e( 'Help' ); ?></span></button>
</span><span class="cx" style="display: block; padding: 0 10px"> </div>
</span></span></pre></div>
<a id="branches45srcwpadminjscustomizecontrolsjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.5/src/wp-admin/js/customize-controls.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- branches/4.5/src/wp-admin/js/customize-controls.js 2017-05-16 12:14:07 UTC (rev 40706)
+++ branches/4.5/src/wp-admin/js/customize-controls.js 2017-05-16 12:15:06 UTC (rev 40707)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -3396,6 +3396,16 @@
</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"> api.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="branches45srcwpincludesclasswpcustomizemanagerphp"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: branches/4.5/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/4.5/src/wp-includes/class-wp-customize-manager.php 2017-05-16 12:14:07 UTC (rev 40706)
+++ branches/4.5/src/wp-includes/class-wp-customize-manager.php 2017-05-16 12:15:06 UTC (rev 40707)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -386,6 +386,24 @@
</span><span class="cx" style="display: block; padding: 0 10px">
</span><span class="cx" style="display: block; padding: 0 10px"> show_admin_bar( false );
</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 ( ! current_user_can( 'customize' ) ) {
</span><span class="cx" style="display: block; padding: 0 10px"> $this->wp_die( -1, __( 'You are not allowed to customize the appearance of this site.' ) );
</span><span class="cx" style="display: block; padding: 0 10px"> }
</span></span></pre>
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