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<title>[51408] trunk: Widgets: Use `wp_sidebar_description()` to retrieve a sidebar's `description`.</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/51408">51408</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/51408","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>2021-07-12 19:02:53 +0000 (Mon, 12 Jul 2021)</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'>Widgets: Use `wp_sidebar_description()` to retrieve a sidebar's `description`.

This switches `WP_REST_Sidebars_Controller` to use `wp_sidebar_description()` for retrieving the `description` of a given sidebar instead of referencing the value in the `$wp_registered_sidebars` global variable directly.

`wp_sidebar_description()` uses `wp_kses()` to only allow the default list of `$allowed_tags` to be present in a sidebar's `description`.

Props timothyblynjacobs, desrosj.
Fixes <a href="https://core.trac.wordpress.org/ticket/53646">#53646</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestsidebarscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestsidebarscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiendpointsclasswprestsidebarscontrollerphp"></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/rest-api/endpoints/class-wp-rest-sidebars-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php    2021-07-12 13:27:44 UTC (rev 51407)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php      2021-07-12 19:02:53 UTC (rev 51408)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -281,7 +281,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                        $sidebar['status']        = 'active';
</span><span class="cx" style="display: block; padding: 0 10px">                        $sidebar['name']          = isset( $registered_sidebar['name'] ) ? $registered_sidebar['name'] : '';
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                        $sidebar['description']   = isset( $registered_sidebar['description'] ) ? $registered_sidebar['description'] : '';
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                 $sidebar['description']   = isset( $registered_sidebar['description'] ) ? wp_sidebar_description( $id ) : '';
</ins><span class="cx" style="display: block; padding: 0 10px">                         $sidebar['class']         = isset( $registered_sidebar['class'] ) ? $registered_sidebar['class'] : '';
</span><span class="cx" style="display: block; padding: 0 10px">                        $sidebar['before_widget'] = isset( $registered_sidebar['before_widget'] ) ? $registered_sidebar['before_widget'] : '';
</span><span class="cx" style="display: block; padding: 0 10px">                        $sidebar['after_widget']  = isset( $registered_sidebar['after_widget'] ) ? $registered_sidebar['after_widget'] : '';
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestsidebarscontrollerphp"></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/rest-api/rest-sidebars-controller.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php   2021-07-12 13:27:44 UTC (rev 51407)
+++ trunk/tests/phpunit/tests/rest-api/rest-sidebars-controller.php     2021-07-12 19:02:53 UTC (rev 51408)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -313,6 +313,57 @@
</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">+         * @ticket 53646
+        */
+       public function test_get_items_when_descriptions_have_markup() {
+               register_sidebar(
+                       array(
+                               'name'          => 'New Sidebar',
+                               'id'            => 'new-sidebar',
+                               'description'   => '<iframe></iframe>This is a <b>description</b> with some <a href="#">markup</a>.<script></script>',
+                               'before_widget' => '',
+                               'after_widget'  => '',
+                               'before_title'  => '',
+                               'after_title'   => '',
+                       )
+               );
+
+               $request  = new WP_REST_Request( 'GET', '/wp/v2/sidebars' );
+               $response = rest_get_server()->dispatch( $request );
+               $data     = $response->get_data();
+               $data     = $this->remove_links( $data );
+               $this->assertSame(
+                       array(
+                               array(
+                                       'id'            => 'wp_inactive_widgets',
+                                       'name'          => 'Inactive widgets',
+                                       'description'   => '',
+                                       'class'         => '',
+                                       'before_widget' => '',
+                                       'after_widget'  => '',
+                                       'before_title'  => '',
+                                       'after_title'   => '',
+                                       'status'        => 'inactive',
+                                       'widgets'       => array(),
+                               ),
+                               array(
+                                       'id'            => 'new-sidebar',
+                                       'name'          => 'New Sidebar',
+                                       'description'   => 'This is a <b>description</b> with some <a href="#">markup</a>.',
+                                       'class'         => '',
+                                       'before_widget' => '',
+                                       'after_widget'  => '',
+                                       'before_title'  => '',
+                                       'after_title'   => '',
+                                       'status'        => 'active',
+                                       'widgets'       => array(),
+                               ),
+                       ),
+                       $data
+               );
+       }
+
+       /**
</ins><span class="cx" style="display: block; padding: 0 10px">          * @ticket 41683
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        public function test_get_item() {
</span></span></pre>
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