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<title>[46435] trunk: REST API: Ensure rest_controller instantiates the post type's declared REST controller class.</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/46435">46435</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/46435","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>kadamwhite</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2019-10-08 13:41:29 +0000 (Tue, 08 Oct 2019)</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: Ensure rest_controller instantiates the post type's declared REST controller class.
Ensures that the ::get_rest_controller() method will always return an instanceof the expected controller class, or null.
Removes unused private static property $post_type_controllers.
Props dlh, TimothyBlynJacobs.
Fixes <a href="https://core.trac.wordpress.org/ticket/45677">#45677</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesclasswpposttypephp">trunk/src/wp-includes/class-wp-post-type.php</a></li>
<li><a href="#trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp">trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php</a></li>
<li><a href="#trunktestsphpunittestsrestapirestpostscontrollerphp">trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunksrcwpincludesclasswpposttypephp"></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/class-wp-post-type.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- trunk/src/wp-includes/class-wp-post-type.php 2019-10-08 04:43:10 UTC (rev 46434)
+++ trunk/src/wp-includes/class-wp-post-type.php 2019-10-08 13:41:29 UTC (rev 46435)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -343,7 +343,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 5.3.0
</span><span class="cx" style="display: block; padding: 0 10px"> * @var WP_REST_Controller $rest_controller
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- private $rest_controller;
</del><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+ public $rest_controller;
</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"> * Constructor.
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -722,6 +722,10 @@
</span><span class="cx" style="display: block; padding: 0 10px"> $this->rest_controller = new $class( $this->name );
</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">+ if ( ! ( $this->rest_controller instanceof $class ) ) {
+ return null;
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> return $this->rest_controller;
</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="trunksrcwpincludesrestapiendpointsclasswprestpostscontrollerphp"></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-posts-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-posts-controller.php 2019-10-08 04:43:10 UTC (rev 46434)
+++ trunk/src/wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php 2019-10-08 13:41:29 UTC (rev 46435)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -15,16 +15,7 @@
</span><span class="cx" style="display: block; padding: 0 10px"> * @see WP_REST_Controller
</span><span class="cx" style="display: block; padding: 0 10px"> */
</span><span class="cx" style="display: block; padding: 0 10px"> class WP_REST_Posts_Controller extends WP_REST_Controller {
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">-
</del><span class="cx" style="display: block; padding: 0 10px"> /**
</span><del style="background-color: #fdd; text-decoration:none; display:block; padding: 0 10px">- * Instances of post type controllers keyed by post type.
- *
- * @since 5.3.0
- * @var WP_REST_Controller[]
- */
- private static $post_type_controllers = array();
-
- /**
</del><span class="cx" style="display: block; padding: 0 10px"> * Post type.
</span><span class="cx" style="display: block; padding: 0 10px"> *
</span><span class="cx" style="display: block; padding: 0 10px"> * @since 4.7.0
</span></span></pre></div>
<a id="trunktestsphpunittestsrestapirestpostscontrollerphp"></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-posts-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-posts-controller.php 2019-10-08 04:43:10 UTC (rev 46434)
+++ trunk/tests/phpunit/tests/rest-api/rest-posts-controller.php 2019-10-08 13:41:29 UTC (rev 46435)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -4617,6 +4617,37 @@
</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 45677
+ */
+ public function test_get_for_post_type_returns_null_for_invalid_provided_controller() {
+ register_post_type(
+ 'test',
+ array(
+ 'show_in_rest' => true,
+ 'rest_controller' => new \stdClass(),
+ )
+ );
+
+ $this->assertNull( get_post_type_object( 'test' )->get_rest_controller() );
+ }
+
+ /**
+ * @ticket 45677
+ */
+ public function test_get_for_post_type_returns_null_for_controller_class_mismatch() {
+ register_post_type(
+ 'test',
+ array(
+ 'show_in_rest' => true,
+ 'rest_controller_class' => WP_REST_Posts_Controller::class,
+ 'rest_controller' => new WP_REST_Terms_Controller( 'category' ),
+ )
+ );
+
+ $this->assertNull( get_post_type_object( 'test' )->get_rest_controller() );
+ }
+
</ins><span class="cx" style="display: block; padding: 0 10px"> public function tearDown() {
</span><span class="cx" style="display: block; padding: 0 10px"> _unregister_post_type( 'private-post' );
</span><span class="cx" style="display: block; padding: 0 10px"> _unregister_post_type( 'youseeme' );
</span></span></pre>
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