Server IP : 52.91.253.208 / Your IP : 3.137.188.201 [ Web Server : Apache System : Linux ip-172-26-9-9 4.19.0-25-cloud-amd64 #1 SMP Debian 4.19.289-1 (2023-07-24) x86_64 User : daemon ( 1) PHP Version : 7.3.18 Disable Function : NONE Domains : 3 Domains MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /opt/bitnami/apps/wordpress/htdocs/wp-content/plugins_old/jetpack/ |
Upload File : |
<?php /** * Allows viewing posts on the frontend when the user is not logged in. */ class Jetpack_Frame_Nonce_Preview { static $instance = null; /** * Returns the single instance of the Jetpack_Frame_Nonce_Preview object * * @since 4.3.0 * * @return Jetpack_Frame_Nonce_Preview **/ public static function get_instance() { if ( ! is_null( self::$instance ) ) { return self::$instance; } return self::$instance = new Jetpack_Frame_Nonce_Preview(); } function __construct() { if ( isset( $_GET['frame-nonce'] ) && ! is_admin() ) { add_filter( 'pre_get_posts', array( $this, 'maybe_display_post' ) ); } // autosave previews are validated differently if ( isset( $_GET[ 'frame-nonce' ] ) && isset( $_GET[ 'preview_id' ] ) && isset( $_GET[ 'preview_nonce' ] ) ) { remove_action( 'init', '_show_post_preview' ); add_action( 'init', array( $this, 'handle_autosave_nonce_validation' ) ); } } /** * Verify that frame nonce exists, and if so, validate the nonce by calling WP.com. * * @since 4.3.0 * * @return bool */ public function is_frame_nonce_valid() { if ( empty( $_GET[ 'frame-nonce' ] ) ) { return false; } Jetpack::load_xml_rpc_client(); $xml = new Jetpack_IXR_Client(); $xml->query( 'jetpack.verifyFrameNonce', sanitize_key( $_GET['frame-nonce'] ) ); if ( $xml->isError() ) { return false; } return (bool) $xml->getResponse(); } /** * Conditionally add a hook on posts_results if this is the main query, a preview, and singular. * * @since 4.3.0 * * @param WP_Query $query * * @return WP_Query */ public function maybe_display_post( $query ) { if ( $query->is_main_query() && $query->is_preview() && $query->is_singular() ) { add_filter( 'posts_results', array( $this, 'set_post_to_publish' ), 10, 2 ); } return $query; } /** * Conditionally set the first post to 'publish' if the frame nonce is valid and there is a post. * * @since 4.3.0 * * @param array $posts * * @return array */ public function set_post_to_publish( $posts ) { remove_filter( 'posts_results', array( $this, 'set_post_to_publish' ), 10, 2 ); if ( empty( $posts ) || is_user_logged_in() || ! $this->is_frame_nonce_valid() ) { return $posts; } $posts[0]->post_status = 'publish'; // Disable comments and pings for this post. add_filter( 'comments_open', '__return_false' ); add_filter( 'pings_open', '__return_false' ); return $posts; } /** * Handle validation for autosave preview request * * @since 4.7.0 * */ public function handle_autosave_nonce_validation() { if ( ! $this->is_frame_nonce_valid() ) { wp_die( __( 'Sorry, you are not allowed to preview drafts.', 'jetpack' ) ); } add_filter( 'the_preview', '_set_preview' ); } } Jetpack_Frame_Nonce_Preview::get_instance();