Ticket #50620: 50620.1.diff

src/wp-includes/rest-api/endpoints/class-wp-rest-block-renderer-controller.php

@@ -54 +54 @@
                                                         'description'       => __( 'Attributes for the block' ),
                                                         'type'              => 'object',
                                                         'default'           => array(),
+                                                        'sanitize_callback' => static function ( $value, $request ) {
+                                                                $block = WP_Block_Type_Registry::get_instance()->get_registered( $request['name'] );
+
+                                                                if ( ! $block ) {
+                                                                        // This will get rejected in ::get_item().
+                                                                        return true;
+                                                                }
+
+                                                                $schema = array(
+                                                                        'type'                 => 'object',
+                                                                        'properties'           => $block->get_attributes(),
+                                                                        'additionalProperties' => false,
+                                                                );
+
+                                                                return rest_sanitize_value_from_schema( $value, $schema );
+                                                        },
                                                         'validate_callback' => static function ( $value, $request ) {
                                                                 $block = WP_Block_Type_Registry::get_instance()->get_registered( $request['name'] );
 

tests/phpunit/tests/rest-api/rest-block-renderer-controller.php

@@ -55 +55 @@
          */
         protected static $non_dynamic_block_name = 'core/non-dynamic';
 
+        /**
+         * Dynamic block with boolean attributes block name.
+         *
+         * @since 5.5.0
+         *
+         * @var string
+         */
+        protected static $dynamic_block_with_boolean_attributes_block_name = 'core/dynamic-block-with-boolean-attributes';
+
         /**
          * Test API user's ID.
          *
@@ -127 +136 @@
                 $this->register_test_block();
                 $this->register_post_context_test_block();
                 $this->register_non_dynamic_block();
+                $this->register_dynamic_block_with_boolean_attributes();
                 parent::setUp();
         }
 
@@ -139 +149 @@
                 WP_Block_Type_Registry::get_instance()->unregister( self::$block_name );
                 WP_Block_Type_Registry::get_instance()->unregister( self::$context_block_name );
                 WP_Block_Type_Registry::get_instance()->unregister( self::$non_dynamic_block_name );
+                WP_Block_Type_Registry::get_instance()->unregister( self::$dynamic_block_with_boolean_attributes_block_name );
                 parent::tearDown();
         }
 
@@ -195 +206 @@
                 register_block_type( self::$non_dynamic_block_name );
         }
 
+        /**
+         * Registers the dynamic with boolean attributes block name.
+         *
+         * @since 5.5.0
+         */
+        protected function register_dynamic_block_with_boolean_attributes() {
+                register_block_type(
+                        self::$dynamic_block_with_boolean_attributes_block_name,
+                        array(
+                                'attributes'      => array(
+                                        'boolean_true_attribute'  => array(
+                                                'type'    => 'boolean',
+                                                'default' => true,
+                                        ),
+                                        'boolean_false_attribute' => array(
+                                                'type'    => 'boolean',
+                                                'default' => false,
+                                        ),
+                                ),
+                                'render_callback' => array( $this, 'render_test_block' ),
+                        )
+                );
+        }
+
         /**
          * Test render callback.
          *
@@ -522 +557 @@
                 $this->assertErrorResponse( 'block_invalid', $response, 404 );
         }
 
+        /**
+         * @ticket 50620
+         */
+        public function test_get_sanitized_attributes_for_dynamic_block_with_boolean_attributes() {
+                wp_set_current_user( self::$user_id );
+
+                $request = new WP_REST_Request( 'GET', self::$rest_api_route . self::$dynamic_block_with_boolean_attributes_block_name );
+
+                $attributes = array(
+                        'boolean_true_attribute'  => 'true',
+                        'boolean_false_attribute' => 'false',
+                );
+
+                $expected_attributes                            = $attributes;
+                $expected_attributes['boolean_true_attribute']  = filter_var( $attributes['boolean_true_attribute'], FILTER_VALIDATE_BOOLEAN );
+                $expected_attributes['boolean_false_attribute'] = filter_var( $attributes['boolean_false_attribute'], FILTER_VALIDATE_BOOLEAN );
+
+                $request->set_param( 'context', 'edit' );
+                $request->set_param( 'attributes', $attributes );
+                $response = rest_get_server()->dispatch( $request );
+                $this->assertEquals( 200, $response->get_status() );
+                $data = $response->get_data();
+
+                $this->assertEquals( $expected_attributes, json_decode( $data['rendered'], true ) );
+        }
+
         /**
          * Get item schema.
          *