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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/52080">52080</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/52080","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>TimothyBlynJacobs</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2021-11-09 20:36:37 +0000 (Tue, 09 Nov 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'>REST API: Expose the site icon in the REST API index.

Props spacedmonkey, palmiak.
Fixes <a href="https://core.trac.wordpress.org/ticket/52321">#52321</a>.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesrestapiclasswprestserverphp">trunk/src/wp-includes/rest-api/class-wp-rest-server.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestserverphp">trunk/tests/phpunit/tests/rest-api/rest-server.php</a></li>
<li><a href="#trunktestsqunitfixtureswpapigeneratedjs">trunk/tests/qunit/fixtures/wp-api-generated.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesrestapiclasswprestserverphp"></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/class-wp-rest-server.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/rest-api/class-wp-rest-server.php   2021-11-09 18:58:59 UTC (rev 52079)
+++ trunk/src/wp-includes/rest-api/class-wp-rest-server.php     2021-11-09 20:36:37 UTC (rev 52080)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1229,6 +1229,7 @@
</span><span class="cx" style="display: block; padding: 0 10px">                $response->add_link( 'help', 'https://developer.wordpress.org/rest-api/' );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->add_active_theme_link_to_index( $response );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->add_site_logo_to_index( $response );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                $this->add_site_icon_to_index( $response );
</ins><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">                 * Filters the REST API root index data.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1275,6 +1276,7 @@
</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">         * Exposes the site logo through the WordPress REST API.
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         *
</ins><span class="cx" style="display: block; padding: 0 10px">          * This is used for fetching this information when user has no rights
</span><span class="cx" style="display: block; padding: 0 10px">         * to update settings.
</span><span class="cx" style="display: block; padding: 0 10px">         *
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1283,14 +1285,47 @@
</span><span class="cx" style="display: block; padding: 0 10px">         * @param WP_REST_Response $response REST API response.
</span><span class="cx" style="display: block; padding: 0 10px">         */
</span><span class="cx" style="display: block; padding: 0 10px">        protected function add_site_logo_to_index( WP_REST_Response $response ) {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                $site_logo_id                = get_theme_mod( 'custom_logo' );
-               $response->data['site_logo'] = $site_logo_id;
-               if ( $site_logo_id ) {
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+         $site_logo_id = get_theme_mod( 'custom_logo', 0 );
+
+               $this->add_image_to_index( $response, $site_logo_id, 'site_logo' );
+       }
+
+       /**
+        * Exposes the site icon through the WordPress REST API.
+        *
+        * This is used for fetching this information when user has no rights
+        * to update settings.
+        *
+        * @since 5.9.0
+        *
+        * @param WP_REST_Response $response REST API response.
+        */
+       protected function add_site_icon_to_index( WP_REST_Response $response ) {
+               $site_icon_id = get_option( 'site_icon', 0 );
+
+               $this->add_image_to_index( $response, $site_icon_id, 'site_icon' );
+       }
+
+       /**
+        * Exposes an image through the WordPress REST API.
+        * This is used for fetching this information when user has no rights
+        * to update settings.
+        *
+        * @since 5.9.0
+        *
+        * @param WP_REST_Response $response REST API response.
+        * @param int              $image_id Image attachment ID.
+        * @param string           $type     Type of Image.
+        */
+       protected function add_image_to_index( WP_REST_Response $response, $image_id, $type ) {
+               $response->data[ $type ] = (int) $image_id;
+               if ( $image_id ) {
</ins><span class="cx" style="display: block; padding: 0 10px">                         $response->add_link(
</span><span class="cx" style="display: block; padding: 0 10px">                                'https://api.w.org/featuredmedia',
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-                                rest_url( rest_get_route_for_post( $site_logo_id ) ),
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                         rest_url( rest_get_route_for_post( $image_id ) ),
</ins><span class="cx" style="display: block; padding: 0 10px">                                 array(
</span><span class="cx" style="display: block; padding: 0 10px">                                        'embeddable' => true,
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+                                        'type'       => $type,
</ins><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></span></pre></div>
<a id="trunktestsphpunittestsrestapirestserverphp"></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-server.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/phpunit/tests/rest-api/rest-server.php        2021-11-09 18:58:59 UTC (rev 52079)
+++ trunk/tests/phpunit/tests/rest-api/rest-server.php  2021-11-09 20:36:37 UTC (rev 52080)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -10,6 +10,13 @@
</span><span class="cx" style="display: block; padding: 0 10px">  * @group restapi
</span><span class="cx" style="display: block; padding: 0 10px">  */
</span><span class="cx" style="display: block; padding: 0 10px"> class Tests_REST_Server extends WP_Test_REST_TestCase {
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+        protected static $icon_id;
+
+       public static function wpSetUpBeforeClass( WP_UnitTest_Factory $factory ) {
+               $filename      = DIR_TESTDATA . '/images/test-image-large.jpg';
+               self::$icon_id = $factory->attachment->create_upload_object( $filename );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function set_up() {
</span><span class="cx" style="display: block; padding: 0 10px">                parent::set_up();
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -1007,8 +1014,26 @@
</span><span class="cx" style="display: block; padding: 0 10px"> 
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertArrayHasKey( 'help', $index->get_links() );
</span><span class="cx" style="display: block; padding: 0 10px">                $this->assertArrayNotHasKey( 'wp:active-theme', $index->get_links() );
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+
+               // Check site icon.
+               $this->assertArrayHasKey( 'site_icon', $data );
</ins><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 52321
+        */
+       public function test_get_index_with_site_icon() {
+               $server = new WP_REST_Server();
+               update_option( 'site_icon', self::$icon_id );
+
+               $request = new WP_REST_Request( 'GET', '/' );
+               $index   = $server->dispatch( $request );
+               $data    = $index->get_data();
+
+               $this->assertArrayHasKey( 'site_icon', $data );
+               $this->assertEquals( self::$icon_id, $data['site_icon'] );
+       }
+
</ins><span class="cx" style="display: block; padding: 0 10px">         public function test_get_namespace_index() {
</span><span class="cx" style="display: block; padding: 0 10px">                $server = new WP_REST_Server();
</span><span class="cx" style="display: block; padding: 0 10px">                $server->register_route(
</span></span></pre></div>
<a id="trunktestsqunitfixtureswpapigeneratedjs"></a>
<div class="modfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Modified: trunk/tests/qunit/fixtures/wp-api-generated.js</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/tests/qunit/fixtures/wp-api-generated.js    2021-11-09 18:58:59 UTC (rev 52079)
+++ trunk/tests/qunit/fixtures/wp-api-generated.js      2021-11-09 20:36:37 UTC (rev 52080)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -10369,7 +10369,8 @@
</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><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-    "site_logo": false
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+    "site_logo": 0,
+    "site_icon": 0
</ins><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"> mockedApiResponse.oembed = {
</span></span></pre>
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