Initiale Version

Kapitel_7/Lektion_4/wordpress/wp-includes/class-wp-oembed-controller.php

@@ -0,0 +1,87 @@
+<?php
+/**
+ * WP_oEmbed_Controller class, used to provide an oEmbed endpoint.
+ *
+ * @package WordPress
+ * @subpackage Embeds
+ * @since 4.4.0
+ */
+
+/**
+ * oEmbed API endpoint controller.
+ *
+ * Registers the API route and delivers the response data.
+ * The output format (XML or JSON) is handled by the REST API.
+ *
+ * @since 4.4.0
+ */
+final class WP_oEmbed_Controller {
+	/**
+	 * Register the oEmbed REST API route.
+	 *
+	 * @since 4.4.0
+	 */
+	public function register_routes() {
+		/**
+		 * Filter the maxwidth oEmbed parameter.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param int $maxwidth Maximum allowed width. Default 600.
+		 */
+		$maxwidth = apply_filters( 'oembed_default_width', 600 );
+
+		register_rest_route( 'oembed/1.0', '/embed', array(
+			array(
+				'methods'  => WP_REST_Server::READABLE,
+				'callback' => array( $this, 'get_item' ),
+				'args'     => array(
+					'url'      => array(
+						'required'          => true,
+						'sanitize_callback' => 'esc_url_raw',
+					),
+					'format'   => array(
+						'default'           => 'json',
+						'sanitize_callback' => 'wp_oembed_ensure_format',
+					),
+					'maxwidth' => array(
+						'default'           => $maxwidth,
+						'sanitize_callback' => 'absint',
+					),
+				),
+			),
+		) );
+	}
+
+	/**
+	 * Callback for the API endpoint.
+	 *
+	 * Returns the JSON object for the post.
+	 *
+	 * @since 4.4.0
+	 *
+	 * @param WP_REST_Request $request Full data about the request.
+	 * @return WP_Error|array oEmbed response data or WP_Error on failure.
+	 */
+	public function get_item( $request ) {
+		$post_id = url_to_postid( $request['url'] );
+
+		/**
+		 * Filter the determined post ID.
+		 *
+		 * @since 4.4.0
+		 *
+		 * @param int    $post_id The post ID.
+		 * @param string $url     The requested URL.
+		 */
+		$post_id = apply_filters( 'oembed_request_post_id', $post_id, $request['url'] );
+
+		$data = get_oembed_response_data( $post_id, $request['maxwidth'] );
+
+		if ( ! $data ) {
+			return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) );
+		}
+
+		return $data;
+	}
+}