oont-contents/plugins/jetpack/jetpack_vendor/automattic/jetpack-videopress/src/class-ajax.php
2025-02-08 15:10:23 +01:00

266 lines
7.9 KiB
PHP

<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
namespace Automattic\Jetpack\VideoPress;
use Automattic\Jetpack\Connection\Client;
/**
* VideoPress AJAX action handlers and utilities.
*
* Note: this is also being used on WordPress.com.
* Use IS_WPCOM checks for functionality that is specific to WPCOM/Jetpack.
*/
class AJAX {
/**
* Singleton AJAX instance.
*
* @var AJAX
**/
private static $instance = null;
/**
* Private AJAX constructor.
*
* Use the AJAX::init() method to get an instance.
*/
private function __construct() {
add_action( 'wp_ajax_videopress-get-upload-token', array( $this, 'wp_ajax_videopress_get_upload_token' ) );
add_action( 'wp_ajax_videopress-get-upload-jwt', array( $this, 'wp_ajax_videopress_get_upload_jwt' ) );
add_action( 'wp_ajax_nopriv_videopress-get-playback-jwt', array( $this, 'wp_ajax_videopress_get_playback_jwt' ) );
add_action( 'wp_ajax_videopress-get-playback-jwt', array( $this, 'wp_ajax_videopress_get_playback_jwt' ) );
add_action(
'wp_ajax_videopress-update-transcoding-status',
array(
$this,
'wp_ajax_update_transcoding_status',
),
-1
);
}
/**
* Initialize the AJAX and get back a singleton instance.
*
* @return AJAX
*/
public static function init() {
if ( self::$instance === null ) {
self::$instance = new AJAX();
}
return self::$instance;
}
/**
* Validate a guid.
*
* @param string $guid The guid to validate.
*
* @return bool
**/
private function is_valid_guid( $guid ) {
if ( empty( $guid ) ) {
return false;
}
preg_match( '/^[a-z0-9]+$/i', $guid, $matches );
if ( empty( $matches ) ) {
return false;
}
return true;
}
/**
* Ajax method that is used by the VideoPress player to get a token to play a video.
*
* This is used for both logged in and logged out users.
*
* @return void
*/
public function wp_ajax_videopress_get_playback_jwt() {
$guid = filter_input( INPUT_POST, 'guid' );
$embedded_post_id = filter_input( INPUT_POST, 'post_id', FILTER_VALIDATE_INT );
$selected_plan_id = filter_input( INPUT_POST, 'subscription_plan_id' );
if ( empty( $embedded_post_id ) ) {
$embedded_post_id = 0;
}
if ( empty( $guid ) || ! $this->is_valid_guid( $guid ) ) {
wp_send_json_error( array( 'message' => __( 'need a guid', 'jetpack-videopress-pkg' ) ) );
return;
}
if ( ! $this->is_current_user_authed_for_video( $guid, $embedded_post_id, $selected_plan_id ) ) {
wp_send_json_error( array( 'message' => __( 'You cannot view this video.', 'jetpack-videopress-pkg' ) ) );
return;
}
$token = $this->request_jwt_from_wpcom( $guid );
if ( empty( $token ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress playback JWT. Please try again later. (empty upload token)', 'jetpack-videopress-pkg' ) ) );
return;
}
if ( is_wp_error( $token ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress upload JWT. Please try again later.', 'jetpack-videopress-pkg' ) ) );
return;
}
wp_send_json_success( array( 'jwt' => $token ) );
}
/**
* Determines if the current user can view the provided video. Only ever gets fired if site-wide private videos are enabled.
*
* Filterable for 3rd party plugins.
*
* @param string $guid The video id being checked.
* @param int $embedded_post_id The post id the video is embedded in or 0.
* @param int $selected_plan_id The plan id the earn block this video is embedded in has.
*/
private function is_current_user_authed_for_video( $guid, $embedded_post_id, $selected_plan_id = 0 ) {
return Access_Control::instance()->is_current_user_authed_for_video( $guid, $embedded_post_id, $selected_plan_id );
}
/**
* Requests JWT from wpcom.
*
* @param string $guid The video id being checked.
*/
private function request_jwt_from_wpcom( $guid ) {
if ( defined( 'IS_WPCOM' ) && IS_WPCOM && function_exists( 'video_wpcom_get_playback_jwt_for_guid' ) ) {
$jwt_data = video_wpcom_get_playback_jwt_for_guid( $guid );
if ( is_wp_error( $jwt_data ) ) {
return false;
}
return $jwt_data->metadata_token;
}
$video_blog_id = $this->get_videopress_blog_id();
$args = array(
'method' => 'POST',
);
$endpoint = "sites/{$video_blog_id}/media/videopress-playback-jwt/{$guid}";
$result = Client::wpcom_json_api_request_as_blog( $endpoint, 'v2', $args, null, 'wpcom' );
if ( is_wp_error( $result ) ) {
return $result;
}
$response = json_decode( $result['body'], true );
if ( empty( $response['metadata_token'] ) ) {
return false;
}
return $response['metadata_token'];
}
/**
* Ajax method that is used by the VideoPress uploader to get a token to upload a file to the wpcom api.
*
* @return void
*/
public function wp_ajax_videopress_get_upload_jwt() {
$video_blog_id = $this->get_videopress_blog_id();
$args = array(
'method' => 'POST',
);
$endpoint = "sites/{$video_blog_id}/media/videopress-upload-jwt";
$result = Client::wpcom_json_api_request_as_blog( $endpoint, 'v2', $args, null, 'wpcom' );
if ( is_wp_error( $result ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress upload JWT. Please try again later.', 'jetpack-videopress-pkg' ) ) );
return;
}
$response = json_decode( $result['body'], true );
if ( empty( $response['upload_token'] ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress upload JWT. Please try again later. (empty upload token)', 'jetpack-videopress-pkg' ) ) );
return;
}
$response['upload_action_url'] = videopress_make_resumable_upload_path( $video_blog_id );
wp_send_json_success( $response );
}
/**
* Ajax method that is used by the VideoPress uploader to get a token to upload a file to the wpcom api.
*
* @return void
*/
public function wp_ajax_videopress_get_upload_token() {
$video_blog_id = $this->get_videopress_blog_id();
$args = array(
'method' => 'POST',
);
$endpoint = "sites/{$video_blog_id}/media/token";
$result = Client::wpcom_json_api_request_as_blog( $endpoint, Client::WPCOM_JSON_API_VERSION, $args );
if ( is_wp_error( $result ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress upload token. Please try again later.', 'jetpack-videopress-pkg' ) ) );
return;
}
$response = json_decode( $result['body'], true );
if ( empty( $response['upload_token'] ) ) {
wp_send_json_error( array( 'message' => __( 'Could not obtain a VideoPress upload token. Please try again later.', 'jetpack-videopress-pkg' ) ) );
return;
}
$response['upload_action_url'] = videopress_make_media_upload_path( $video_blog_id );
wp_send_json_success( $response );
}
/**
* Ajax action to update the video transcoding status from the WPCOM API.
*
* @return void
*/
public function wp_ajax_update_transcoding_status() {
if ( ! isset( $_POST['post_id'] ) ) { // phpcs:ignore WordPress.Security.NonceVerification.Missing -- Informational AJAX response.
wp_send_json_error( array( 'message' => __( 'A valid post_id is required.', 'jetpack-videopress-pkg' ) ) );
return;
}
$post_id = (int) $_POST['post_id']; // phpcs:ignore WordPress.Security.NonceVerification.Missing
if ( ! videopress_update_meta_data( $post_id ) ) {
wp_send_json_error( array( 'message' => __( 'That post does not have a VideoPress video associated to it.', 'jetpack-videopress-pkg' ) ) );
return;
}
wp_send_json_success(
array(
'message' => __( 'Status updated', 'jetpack-videopress-pkg' ),
'status' => videopress_get_transcoding_status( $post_id ),
)
);
}
/**
* Returns the proper blog id depending on Jetpack or WP.com
*
* @return int the blog id
*/
public function get_videopress_blog_id() {
if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
return get_current_blog_id();
}
$options = Options::get_options();
return $options['shadow_blog_id'];
}
}