246 lines
6.7 KiB
PHP
246 lines
6.7 KiB
PHP
<?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 REST API route and delivers the response data.
|
|
* The output format (XML or JSON) is handled by the REST API.
|
|
*
|
|
* @since 4.4.0
|
|
*/
|
|
#[AllowDynamicProperties]
|
|
final class WP_oEmbed_Controller {
|
|
/**
|
|
* Register the oEmbed REST API route.
|
|
*
|
|
* @since 4.4.0
|
|
*/
|
|
public function register_routes() {
|
|
/**
|
|
* Filters 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' ),
|
|
'permission_callback' => '__return_true',
|
|
'args' => array(
|
|
'url' => array(
|
|
'description' => __( 'The URL of the resource for which to fetch oEmbed data.' ),
|
|
'required' => true,
|
|
'type' => 'string',
|
|
'format' => 'uri',
|
|
),
|
|
'format' => array(
|
|
'default' => 'json',
|
|
'sanitize_callback' => 'wp_oembed_ensure_format',
|
|
),
|
|
'maxwidth' => array(
|
|
'default' => $maxwidth,
|
|
'sanitize_callback' => 'absint',
|
|
),
|
|
),
|
|
),
|
|
)
|
|
);
|
|
|
|
register_rest_route(
|
|
'oembed/1.0',
|
|
'/proxy',
|
|
array(
|
|
array(
|
|
'methods' => WP_REST_Server::READABLE,
|
|
'callback' => array( $this, 'get_proxy_item' ),
|
|
'permission_callback' => array( $this, 'get_proxy_item_permissions_check' ),
|
|
'args' => array(
|
|
'url' => array(
|
|
'description' => __( 'The URL of the resource for which to fetch oEmbed data.' ),
|
|
'required' => true,
|
|
'type' => 'string',
|
|
'format' => 'uri',
|
|
),
|
|
'format' => array(
|
|
'description' => __( 'The oEmbed format to use.' ),
|
|
'type' => 'string',
|
|
'default' => 'json',
|
|
'enum' => array(
|
|
'json',
|
|
'xml',
|
|
),
|
|
),
|
|
'maxwidth' => array(
|
|
'description' => __( 'The maximum width of the embed frame in pixels.' ),
|
|
'type' => 'integer',
|
|
'default' => $maxwidth,
|
|
'sanitize_callback' => 'absint',
|
|
),
|
|
'maxheight' => array(
|
|
'description' => __( 'The maximum height of the embed frame in pixels.' ),
|
|
'type' => 'integer',
|
|
'sanitize_callback' => 'absint',
|
|
),
|
|
'discover' => array(
|
|
'description' => __( 'Whether to perform an oEmbed discovery request for unsanctioned providers.' ),
|
|
'type' => 'boolean',
|
|
'default' => true,
|
|
),
|
|
),
|
|
),
|
|
)
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Callback for the embed API endpoint.
|
|
*
|
|
* Returns the JSON object for the post.
|
|
*
|
|
* @since 4.4.0
|
|
*
|
|
* @param WP_REST_Request $request Full data about the request.
|
|
* @return array|WP_Error oEmbed response data or WP_Error on failure.
|
|
*/
|
|
public function get_item( $request ) {
|
|
$post_id = url_to_postid( $request['url'] );
|
|
|
|
/**
|
|
* Filters 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;
|
|
}
|
|
|
|
/**
|
|
* Checks if current user can make a proxy oEmbed request.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @return true|WP_Error True if the request has read access, WP_Error object otherwise.
|
|
*/
|
|
public function get_proxy_item_permissions_check() {
|
|
if ( ! current_user_can( 'edit_posts' ) ) {
|
|
return new WP_Error( 'rest_forbidden', __( 'Sorry, you are not allowed to make proxied oEmbed requests.' ), array( 'status' => rest_authorization_required_code() ) );
|
|
}
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Callback for the proxy API endpoint.
|
|
*
|
|
* Returns the JSON object for the proxied item.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @see WP_oEmbed::get_html()
|
|
* @global WP_Embed $wp_embed
|
|
* @global WP_Scripts $wp_scripts
|
|
*
|
|
* @param WP_REST_Request $request Full data about the request.
|
|
* @return object|WP_Error oEmbed response data or WP_Error on failure.
|
|
*/
|
|
public function get_proxy_item( $request ) {
|
|
global $wp_embed, $wp_scripts;
|
|
|
|
$args = $request->get_params();
|
|
|
|
// Serve oEmbed data from cache if set.
|
|
unset( $args['_wpnonce'] );
|
|
$cache_key = 'oembed_' . md5( serialize( $args ) );
|
|
$data = get_transient( $cache_key );
|
|
if ( ! empty( $data ) ) {
|
|
return $data;
|
|
}
|
|
|
|
$url = $request['url'];
|
|
unset( $args['url'] );
|
|
|
|
// Copy maxwidth/maxheight to width/height since WP_oEmbed::fetch() uses these arg names.
|
|
if ( isset( $args['maxwidth'] ) ) {
|
|
$args['width'] = $args['maxwidth'];
|
|
}
|
|
if ( isset( $args['maxheight'] ) ) {
|
|
$args['height'] = $args['maxheight'];
|
|
}
|
|
|
|
// Short-circuit process for URLs belonging to the current site.
|
|
$data = get_oembed_response_data_for_url( $url, $args );
|
|
|
|
if ( $data ) {
|
|
return $data;
|
|
}
|
|
|
|
$data = _wp_oembed_get_object()->get_data( $url, $args );
|
|
|
|
if ( false === $data ) {
|
|
// Try using a classic embed, instead.
|
|
/* @var WP_Embed $wp_embed */
|
|
$html = $wp_embed->get_embed_handler_html( $args, $url );
|
|
|
|
if ( $html ) {
|
|
// Check if any scripts were enqueued by the shortcode, and include them in the response.
|
|
$enqueued_scripts = array();
|
|
|
|
foreach ( $wp_scripts->queue as $script ) {
|
|
$enqueued_scripts[] = $wp_scripts->registered[ $script ]->src;
|
|
}
|
|
|
|
return (object) array(
|
|
'provider_name' => __( 'Embed Handler' ),
|
|
'html' => $html,
|
|
'scripts' => $enqueued_scripts,
|
|
);
|
|
}
|
|
|
|
return new WP_Error( 'oembed_invalid_url', get_status_header_desc( 404 ), array( 'status' => 404 ) );
|
|
}
|
|
|
|
/** This filter is documented in wp-includes/class-wp-oembed.php */
|
|
$data->html = apply_filters( 'oembed_result', _wp_oembed_get_object()->data2html( (object) $data, $url ), $url, $args );
|
|
|
|
/**
|
|
* Filters the oEmbed TTL value (time to live).
|
|
*
|
|
* Similar to the {@see 'oembed_ttl'} filter, but for the REST API
|
|
* oEmbed proxy endpoint.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @param int $time Time to live (in seconds).
|
|
* @param string $url The attempted embed URL.
|
|
* @param array $args An array of embed request arguments.
|
|
*/
|
|
$ttl = apply_filters( 'rest_oembed_ttl', DAY_IN_SECONDS, $url, $args );
|
|
|
|
set_transient( $cache_key, $data, $ttl );
|
|
|
|
return $data;
|
|
}
|
|
}
|