X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/6c8f14c09105d0afa4c1574215c59b5021040e76..baca9ce86a38dc54c4574890ee2d352fd81f78b2:/wp-includes/class-wp-xmlrpc-server.php diff --git a/wp-includes/class-wp-xmlrpc-server.php b/wp-includes/class-wp-xmlrpc-server.php index ac758e4c..e4a2d961 100644 --- a/wp-includes/class-wp-xmlrpc-server.php +++ b/wp-includes/class-wp-xmlrpc-server.php @@ -5309,10 +5309,14 @@ class wp_xmlrpc_server extends IXR_Server { $pagelinkedto = str_replace('&', '&', $pagelinkedto); $pagelinkedto = str_replace('&', '&', $pagelinkedto); + $pagelinkedfrom = apply_filters( 'pingback_ping_source_uri', $pagelinkedfrom, $pagelinkedto ); + if ( ! $pagelinkedfrom ) + return $this->pingback_error( 0, __( 'A valid URL was not provided.' ) ); + // Check if the page linked to is in our site $pos1 = strpos($pagelinkedto, str_replace(array('http://www.','http://','https://www.','https://'), '', get_option('home'))); if ( !$pos1 ) - return new IXR_Error(0, __('Is there no link to us?')); + return $this->pingback_error( 0, __( 'Is there no link to us?' ) ); // let's find which post is linked to // FIXME: does url_to_postid() cover all these cases already? @@ -5346,39 +5350,40 @@ class wp_xmlrpc_server extends IXR_Server { $sql = $wpdb->prepare("SELECT ID FROM $wpdb->posts WHERE post_title RLIKE %s", like_escape( $title ) ); if (! ($post_ID = $wpdb->get_var($sql)) ) { // returning unknown error '0' is better than die()ing - return new IXR_Error(0, ''); + return $this->pingback_error( 0, '' ); } $way = 'from the fragment (title)'; } } else { // TODO: Attempt to extract a post ID from the given URL - return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.')); + return $this->pingback_error( 33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.' ) ); } $post_ID = (int) $post_ID; $post = get_post($post_ID); if ( !$post ) // Post_ID not found - return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.')); + return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.' ) ); if ( $post_ID == url_to_postid($pagelinkedfrom) ) - return new IXR_Error(0, __('The source URL and the target URL cannot both point to the same resource.')); + return $this->pingback_error( 0, __( 'The source URL and the target URL cannot both point to the same resource.' ) ); // Check if pings are on if ( !pings_open($post) ) - return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.')); + return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.' ) ); // Let's check that the remote site didn't already pingback this entry if ( $wpdb->get_results( $wpdb->prepare("SELECT * FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_author_url = %s", $post_ID, $pagelinkedfrom) ) ) - return new IXR_Error( 48, __( 'The pingback has already been registered.' ) ); + return $this->pingback_error( 48, __( 'The pingback has already been registered.' ) ); // very stupid, but gives time to the 'from' server to publish ! sleep(1); // Let's check the remote site - $linea = wp_remote_fopen( $pagelinkedfrom ); + $linea = wp_remote_retrieve_body( wp_remote_get( $pagelinkedfrom, array( 'timeout' => 10, 'redirection' => 0, 'reject_unsafe_urls' => true ) ) ); + if ( !$linea ) - return new IXR_Error(16, __('The source URL does not exist.')); + return $this->pingback_error( 16, __( 'The source URL does not exist.' ) ); $linea = apply_filters('pre_remote_source', $linea, $pagelinkedto); @@ -5390,7 +5395,7 @@ class wp_xmlrpc_server extends IXR_Server { preg_match('|([^<]*?)|is', $linea, $matchtitle); $title = $matchtitle[1]; if ( empty( $title ) ) - return new IXR_Error(32, __('We cannot find a title on that page.')); + return $this->pingback_error( 32, __('We cannot find a title on that page.' ) ); $linea = strip_tags( $linea, '' ); // just keep the tag we need @@ -5426,7 +5431,7 @@ class wp_xmlrpc_server extends IXR_Server { } if ( empty($context) ) // Link to target not found - return new IXR_Error(17, __('The source URL does not contain a link to the target URL, and so cannot be used as a source.')); + return $this->pingback_error( 17, __( 'The source URL does not contain a link to the target URL, and so cannot be used as a source.' ) ); $pagelinkedfrom = str_replace('&', '&', $pagelinkedfrom); @@ -5473,14 +5478,14 @@ class wp_xmlrpc_server extends IXR_Server { $post_ID = url_to_postid($url); if ( !$post_ID ) { // We aren't sure that the resource is available and/or pingback enabled - return new IXR_Error(33, __('The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.')); + return $this->pingback_error( 33, __( 'The specified target URL cannot be used as a target. It either doesn’t exist, or it is not a pingback-enabled resource.' ) ); } $actual_post = get_post($post_ID, ARRAY_A); if ( !$actual_post ) { // No such post = resource not found - return new IXR_Error(32, __('The specified target URL does not exist.')); + return $this->pingback_error( 32, __('The specified target URL does not exist.' ) ); } $comments = $wpdb->get_results( $wpdb->prepare("SELECT comment_author_url, comment_content, comment_author_IP, comment_type FROM $wpdb->comments WHERE comment_post_ID = %d", $post_ID) ); @@ -5496,4 +5501,8 @@ class wp_xmlrpc_server extends IXR_Server { return $pingbacks; } + + protected function pingback_error( $code, $message ) { + return apply_filters( 'xmlrpc_pingback_error', new IXR_Error( $code, $message ) ); + } }