diff options
Diffstat (limited to 'plugins/jetpack/class.json-api.php')
| -rw-r--r-- | plugins/jetpack/class.json-api.php | 782 |
1 files changed, 0 insertions, 782 deletions
diff --git a/plugins/jetpack/class.json-api.php b/plugins/jetpack/class.json-api.php deleted file mode 100644 index 2a20dd05..00000000 --- a/plugins/jetpack/class.json-api.php +++ /dev/null @@ -1,782 +0,0 @@ -<?php - -defined( 'WPCOM_JSON_API__DEBUG' ) or define( 'WPCOM_JSON_API__DEBUG', false ); - -require_once dirname( __FILE__ ) . '/sal/class.json-api-platform.php'; - -class WPCOM_JSON_API { - static $self = null; - - public $endpoints = array(); - - public $token_details = array(); - - public $method = ''; - public $url = ''; - public $path = ''; - public $version = null; - public $query = array(); - public $post_body = null; - public $files = null; - public $content_type = null; - public $accept = ''; - - public $_server_https; - public $exit = true; - public $public_api_scheme = 'https'; - - public $output_status_code = 200; - - public $trapped_error = null; - public $did_output = false; - - public $extra_headers = array(); - - /** - * @return WPCOM_JSON_API instance - */ - static function init( $method = null, $url = null, $post_body = null ) { - if ( !self::$self ) { - $class = function_exists( 'get_called_class' ) ? get_called_class() : __CLASS__; // phpcs:ignore PHPCompatibility.PHP.NewFunctions.get_called_classFound - self::$self = new $class( $method, $url, $post_body ); - } - return self::$self; - } - - function add( WPCOM_JSON_API_Endpoint $endpoint ) { - $path_versions = serialize( array ( - $endpoint->path, - $endpoint->min_version, - $endpoint->max_version, - ) ); - if ( !isset( $this->endpoints[$path_versions] ) ) { - $this->endpoints[$path_versions] = array(); - } - $this->endpoints[$path_versions][$endpoint->method] = $endpoint; - } - - static function is_truthy( $value ) { - switch ( strtolower( (string) $value ) ) { - case '1' : - case 't' : - case 'true' : - return true; - } - - return false; - } - - static function is_falsy( $value ) { - switch ( strtolower( (string) $value ) ) { - case '0' : - case 'f' : - case 'false' : - return true; - } - - return false; - } - - function __construct() { - $args = func_get_args(); - call_user_func_array( array( $this, 'setup_inputs' ), $args ); - } - - function setup_inputs( $method = null, $url = null, $post_body = null ) { - if ( is_null( $method ) ) { - $this->method = strtoupper( $_SERVER['REQUEST_METHOD'] ); - } else { - $this->method = strtoupper( $method ); - } - if ( is_null( $url ) ) { - $this->url = set_url_scheme( 'http://' . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI'] ); - } else { - $this->url = $url; - } - - $parsed = parse_url( $this->url ); - $this->path = $parsed['path']; - - if ( !empty( $parsed['query'] ) ) { - wp_parse_str( $parsed['query'], $this->query ); - } - - if ( isset( $_SERVER['HTTP_ACCEPT'] ) && $_SERVER['HTTP_ACCEPT'] ) { - $this->accept = $_SERVER['HTTP_ACCEPT']; - } - - if ( 'POST' === $this->method ) { - if ( is_null( $post_body ) ) { - $this->post_body = file_get_contents( 'php://input' ); - - if ( isset( $_SERVER['HTTP_CONTENT_TYPE'] ) && $_SERVER['HTTP_CONTENT_TYPE'] ) { - $this->content_type = $_SERVER['HTTP_CONTENT_TYPE']; - } elseif ( isset( $_SERVER['CONTENT_TYPE'] ) && $_SERVER['CONTENT_TYPE'] ) { - $this->content_type = $_SERVER['CONTENT_TYPE'] ; - } elseif ( '{' === $this->post_body[0] ) { - $this->content_type = 'application/json'; - } else { - $this->content_type = 'application/x-www-form-urlencoded'; - } - - if ( 0 === strpos( strtolower( $this->content_type ), 'multipart/' ) ) { - $this->post_body = http_build_query( stripslashes_deep( $_POST ) ); - $this->files = $_FILES; - $this->content_type = 'multipart/form-data'; - } - } else { - $this->post_body = $post_body; - $this->content_type = '{' === isset( $this->post_body[0] ) && $this->post_body[0] ? 'application/json' : 'application/x-www-form-urlencoded'; - } - } else { - $this->post_body = null; - $this->content_type = null; - } - - $this->_server_https = array_key_exists( 'HTTPS', $_SERVER ) ? $_SERVER['HTTPS'] : '--UNset--'; - } - - function initialize() { - $this->token_details['blog_id'] = Jetpack_Options::get_option( 'id' ); - } - - function serve( $exit = true ) { - ini_set( 'display_errors', false ); - - $this->exit = (bool) $exit; - - // This was causing problems with Jetpack, but is necessary for wpcom - // @see https://github.com/Automattic/jetpack/pull/2603 - // @see r124548-wpcom - if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { - add_filter( 'home_url', array( $this, 'ensure_http_scheme_of_home_url' ), 10, 3 ); - } - - add_filter( 'user_can_richedit', '__return_true' ); - - add_filter( 'comment_edit_pre', array( $this, 'comment_edit_pre' ) ); - - $initialization = $this->initialize(); - if ( 'OPTIONS' == $this->method ) { - /** - * Fires before the page output. - * Can be used to specify custom header options. - * - * @module json-api - * - * @since 3.1.0 - */ - do_action( 'wpcom_json_api_options' ); - return $this->output( 200, '', 'text/plain' ); - } - - if ( is_wp_error( $initialization ) ) { - $this->output_error( $initialization ); - return; - } - - // Normalize path and extract API version - $this->path = untrailingslashit( $this->path ); - preg_match( '#^/rest/v(\d+(\.\d+)*)#', $this->path, $matches ); - $this->path = substr( $this->path, strlen( $matches[0] ) ); - $this->version = $matches[1]; - - $allowed_methods = array( 'GET', 'POST' ); - $four_oh_five = false; - - $is_help = preg_match( '#/help/?$#i', $this->path ); - $matching_endpoints = array(); - - if ( $is_help ) { - $origin = get_http_origin(); - - if ( !empty( $origin ) && 'GET' == $this->method ) { - header( 'Access-Control-Allow-Origin: ' . esc_url_raw( $origin ) ); - } - - $this->path = substr( rtrim( $this->path, '/' ), 0, -5 ); - // Show help for all matching endpoints regardless of method - $methods = $allowed_methods; - $find_all_matching_endpoints = true; - // How deep to truncate each endpoint's path to see if it matches this help request - $depth = substr_count( $this->path, '/' ) + 1; - if ( false !== stripos( $this->accept, 'javascript' ) || false !== stripos( $this->accept, 'json' ) ) { - $help_content_type = 'json'; - } else { - $help_content_type = 'html'; - } - } else { - if ( in_array( $this->method, $allowed_methods ) ) { - // Only serve requested method - $methods = array( $this->method ); - $find_all_matching_endpoints = false; - } else { - // We don't allow this requested method - find matching endpoints and send 405 - $methods = $allowed_methods; - $find_all_matching_endpoints = true; - $four_oh_five = true; - } - } - - // Find which endpoint to serve - $found = false; - foreach ( $this->endpoints as $endpoint_path_versions => $endpoints_by_method ) { - $endpoint_path_versions = unserialize( $endpoint_path_versions ); - $endpoint_path = $endpoint_path_versions[0]; - $endpoint_min_version = $endpoint_path_versions[1]; - $endpoint_max_version = $endpoint_path_versions[2]; - - // Make sure max_version is not less than min_version - if ( version_compare( $endpoint_max_version, $endpoint_min_version, '<' ) ) { - $endpoint_max_version = $endpoint_min_version; - } - - foreach ( $methods as $method ) { - if ( !isset( $endpoints_by_method[$method] ) ) { - continue; - } - - // Normalize - $endpoint_path = untrailingslashit( $endpoint_path ); - if ( $is_help ) { - // Truncate path at help depth - $endpoint_path = join( '/', array_slice( explode( '/', $endpoint_path ), 0, $depth ) ); - } - - // Generate regular expression from sprintf() - $endpoint_path_regex = str_replace( array( '%s', '%d' ), array( '([^/?&]+)', '(\d+)' ), $endpoint_path ); - - if ( !preg_match( "#^$endpoint_path_regex\$#", $this->path, $path_pieces ) ) { - // This endpoint does not match the requested path. - continue; - } - - if ( version_compare( $this->version, $endpoint_min_version, '<' ) || version_compare( $this->version, $endpoint_max_version, '>' ) ) { - // This endpoint does not match the requested version. - continue; - } - - $found = true; - - if ( $find_all_matching_endpoints ) { - $matching_endpoints[] = array( $endpoints_by_method[$method], $path_pieces ); - } else { - // The method parameters are now in $path_pieces - $endpoint = $endpoints_by_method[$method]; - break 2; - } - } - } - - if ( !$found ) { - return $this->output( 404, '', 'text/plain' ); - } - - if ( $four_oh_five ) { - $allowed_methods = array(); - foreach ( $matching_endpoints as $matching_endpoint ) { - $allowed_methods[] = $matching_endpoint[0]->method; - } - - header( 'Allow: ' . strtoupper( join( ',', array_unique( $allowed_methods ) ) ) ); - return $this->output( 405, array( 'error' => 'not_allowed', 'error_message' => 'Method not allowed' ) ); - } - - if ( $is_help ) { - /** - * Fires before the API output. - * - * @since 1.9.0 - * - * @param string help. - */ - do_action( 'wpcom_json_api_output', 'help' ); - $proxied = function_exists( 'wpcom_is_proxied_request' ) ? wpcom_is_proxied_request() : false; - if ( 'json' === $help_content_type ) { - $docs = array(); - foreach ( $matching_endpoints as $matching_endpoint ) { - if ( $matching_endpoint[0]->is_publicly_documentable() || $proxied || WPCOM_JSON_API__DEBUG ) - $docs[] = call_user_func( array( $matching_endpoint[0], 'generate_documentation' ) ); - } - return $this->output( 200, $docs ); - } else { - status_header( 200 ); - foreach ( $matching_endpoints as $matching_endpoint ) { - if ( $matching_endpoint[0]->is_publicly_documentable() || $proxied || WPCOM_JSON_API__DEBUG ) - call_user_func( array( $matching_endpoint[0], 'document' ) ); - } - } - exit; - } - - if ( $endpoint->in_testing && !WPCOM_JSON_API__DEBUG ) { - return $this->output( 404, '', 'text/plain' ); - } - - /** This action is documented in class.json-api.php */ - do_action( 'wpcom_json_api_output', $endpoint->stat ); - - $response = $this->process_request( $endpoint, $path_pieces ); - - if ( !$response && !is_array( $response ) ) { - return $this->output( 500, '', 'text/plain' ); - } elseif ( is_wp_error( $response ) ) { - return $this->output_error( $response ); - } - - $output_status_code = $this->output_status_code; - $this->set_output_status_code(); - - return $this->output( $output_status_code, $response, 'application/json', $this->extra_headers ); - } - - function process_request( WPCOM_JSON_API_Endpoint $endpoint, $path_pieces ) { - $this->endpoint = $endpoint; - return call_user_func_array( array( $endpoint, 'callback' ), $path_pieces ); - } - - function output_early( $status_code, $response = null, $content_type = 'application/json' ) { - $exit = $this->exit; - $this->exit = false; - if ( is_wp_error( $response ) ) - $this->output_error( $response ); - else - $this->output( $status_code, $response, $content_type ); - $this->exit = $exit; - if ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) { - $this->finish_request(); - } - } - - function set_output_status_code( $code = 200 ) { - $this->output_status_code = $code; - } - - function output( $status_code, $response = null, $content_type = 'application/json', $extra = array() ) { - // In case output() was called before the callback returned - if ( $this->did_output ) { - if ( $this->exit ) - exit; - return $content_type; - } - $this->did_output = true; - - // 400s and 404s are allowed for all origins - if ( 404 == $status_code || 400 == $status_code ) - header( 'Access-Control-Allow-Origin: *' ); - - if ( is_null( $response ) ) { - $response = new stdClass; - } - - if ( 'text/plain' === $content_type ) { - status_header( (int) $status_code ); - header( 'Content-Type: text/plain' ); - foreach( $extra as $key => $value ) { - header( "$key: $value" ); - } - echo $response; - if ( $this->exit ) { - exit; - } - - return $content_type; - } - - $response = $this->filter_fields( $response ); - - if ( isset( $this->query['http_envelope'] ) && self::is_truthy( $this->query['http_envelope'] ) ) { - $headers = array( - array( - 'name' => 'Content-Type', - 'value' => $content_type, - ) - ); - - foreach( $extra as $key => $value ) { - $headers[] = array( 'name' => $key, 'value' => $value ); - } - - $response = array( - 'code' => (int) $status_code, - 'headers' => $headers, - 'body' => $response, - ); - $status_code = 200; - $content_type = 'application/json'; - } - - status_header( (int) $status_code ); - header( "Content-Type: $content_type" ); - if ( isset( $this->query['callback'] ) && is_string( $this->query['callback'] ) ) { - $callback = preg_replace( '/[^a-z0-9_.]/i', '', $this->query['callback'] ); - } else { - $callback = false; - } - - if ( $callback ) { - // Mitigate Rosetta Flash [1] by setting the Content-Type-Options: nosniff header - // and by prepending the JSONP response with a JS comment. - // [1] http://miki.it/blog/2014/7/8/abusing-jsonp-with-rosetta-flash/ - echo "/**/$callback("; - - } - echo $this->json_encode( $response ); - if ( $callback ) { - echo ");"; - } - - if ( $this->exit ) { - exit; - } - - return $content_type; - } - - public static function serializable_error ( $error ) { - - $status_code = $error->get_error_data(); - - if ( is_array( $status_code ) ) { - $status_code = $status_code['status_code']; - } - - if ( !$status_code ) { - $status_code = 400; - } - $response = array( - 'error' => $error->get_error_code(), - 'message' => $error->get_error_message(), - ); - - if ( $additional_data = $error->get_error_data( 'additional_data' ) ) { - $response['data'] = $additional_data; - } - - return array( - 'status_code' => $status_code, - 'errors' => $response - ); - } - - function output_error( $error ) { - $error_response = $this->serializable_error( $error ); - - return $this->output( $error_response[ 'status_code'], $error_response['errors'] ); - } - - function filter_fields( $response ) { - if ( empty( $this->query['fields'] ) || ( is_array( $response ) && ! empty( $response['error'] ) ) || ! empty( $this->endpoint->custom_fields_filtering ) ) - return $response; - - $fields = array_map( 'trim', explode( ',', $this->query['fields'] ) ); - - if ( is_object( $response ) ) { - $response = (array) $response; - } - - $has_filtered = false; - if ( is_array( $response ) && empty( $response['ID'] ) ) { - $keys_to_filter = array( - 'categories', - 'comments', - 'connections', - 'domains', - 'groups', - 'likes', - 'media', - 'notes', - 'posts', - 'services', - 'sites', - 'suggestions', - 'tags', - 'themes', - 'topics', - 'users', - ); - - foreach ( $keys_to_filter as $key_to_filter ) { - if ( ! isset( $response[ $key_to_filter ] ) || $has_filtered ) - continue; - - foreach ( $response[ $key_to_filter ] as $key => $values ) { - if ( is_object( $values ) ) { - if ( is_object( $response[ $key_to_filter ] ) ) { - $response[ $key_to_filter ]->$key = (object) array_intersect_key( ( (array) $values ), array_flip( $fields ) ); - } elseif ( is_array( $response[ $key_to_filter ] ) ) { - $response[ $key_to_filter ][ $key ] = (object) array_intersect_key( ( (array) $values ), array_flip( $fields ) ); - } - } elseif ( is_array( $values ) ) { - $response[ $key_to_filter ][ $key ] = array_intersect_key( $values, array_flip( $fields ) ); - } - } - - $has_filtered = true; - } - } - - if ( ! $has_filtered ) { - if ( is_object( $response ) ) { - $response = (object) array_intersect_key( (array) $response, array_flip( $fields ) ); - } else if ( is_array( $response ) ) { - $response = array_intersect_key( $response, array_flip( $fields ) ); - } - } - - return $response; - } - - function ensure_http_scheme_of_home_url( $url, $path, $original_scheme ) { - if ( $original_scheme ) { - return $url; - } - - return preg_replace( '#^https:#', 'http:', $url ); - } - - function comment_edit_pre( $comment_content ) { - return htmlspecialchars_decode( $comment_content, ENT_QUOTES ); - } - - function json_encode( $data ) { - return json_encode( $data ); - } - - function ends_with( $haystack, $needle ) { - return $needle === substr( $haystack, -strlen( $needle ) ); - } - - // Returns the site's blog_id in the WP.com ecosystem - function get_blog_id_for_output() { - return $this->token_details['blog_id']; - } - - // Returns the site's local blog_id - function get_blog_id( $blog_id ) { - return $GLOBALS['blog_id']; - } - - function switch_to_blog_and_validate_user( $blog_id = 0, $verify_token_for_blog = true ) { - if ( $this->is_restricted_blog( $blog_id ) ) { - return new WP_Error( 'unauthorized', 'User cannot access this restricted blog', 403 ); - } - - if ( -1 == get_option( 'blog_public' ) && !current_user_can( 'read' ) ) { - return new WP_Error( 'unauthorized', 'User cannot access this private blog.', 403 ); - } - - return $blog_id; - } - - // Returns true if the specified blog ID is a restricted blog - function is_restricted_blog( $blog_id ) { - /** - * Filters all REST API access and return a 403 unauthorized response for all Restricted blog IDs. - * - * @module json-api - * - * @since 3.4.0 - * - * @param array $array Array of Blog IDs. - */ - $restricted_blog_ids = apply_filters( 'wpcom_json_api_restricted_blog_ids', array() ); - return true === in_array( $blog_id, $restricted_blog_ids ); - } - - function post_like_count( $blog_id, $post_id ) { - return 0; - } - - function is_liked( $blog_id, $post_id ) { - return false; - } - - function is_reblogged( $blog_id, $post_id ) { - return false; - } - - function is_following( $blog_id ) { - return false; - } - - function add_global_ID( $blog_id, $post_id ) { - return ''; - } - - function get_avatar_url( $email, $avatar_size = null ) { - if ( function_exists( 'wpcom_get_avatar_url' ) ) { - return null === $avatar_size - ? wpcom_get_avatar_url( $email ) - : wpcom_get_avatar_url( $email, $avatar_size ); - } else { - return null === $avatar_size - ? get_avatar_url( $email ) - : get_avatar_url( $email, $avatar_size ); - } - } - - /** - * Counts the number of comments on a site, excluding certain comment types. - * - * @param $post_id int Post ID. - * @return array Array of counts, matching the output of https://developer.wordpress.org/reference/functions/get_comment_count/. - */ - public function wp_count_comments( $post_id ) { - global $wpdb; - if ( 0 !== $post_id ) { - return wp_count_comments( $post_id ); - } - - $counts = array( - 'total_comments' => 0, - 'all' => 0, - ); - - /** - * Exclude certain comment types from comment counts in the REST API. - * - * @since 6.9.0 - * @module json-api - * - * @param array Array of comment types to exclude (default: 'order_note', 'webhook_delivery', 'review', 'action_log') - */ - $exclude = apply_filters( 'jetpack_api_exclude_comment_types_count', - array( 'order_note', 'webhook_delivery', 'review', 'action_log' ) - ); - - if ( empty( $exclude ) ) { - return wp_count_comments( $post_id ); - } - - array_walk( $exclude, 'esc_sql' ); - $where = sprintf( - "WHERE comment_type NOT IN ( '%s' )", - implode( "','", $exclude ) - ); - - $count = $wpdb->get_results( - "SELECT comment_approved, COUNT(*) AS num_comments - FROM $wpdb->comments - {$where} - GROUP BY comment_approved - " - ); - - $approved = array( - '0' => 'moderated', - '1' => 'approved', - 'spam' => 'spam', - 'trash' => 'trash', - 'post-trashed' => 'post-trashed', - ); - - // https://developer.wordpress.org/reference/functions/get_comment_count/#source - foreach ( $count as $row ) { - if ( ! in_array( $row->comment_approved, array( 'post-trashed', 'trash', 'spam' ), true ) ) { - $counts['all'] += $row->num_comments; - $counts['total_comments'] += $row->num_comments; - } elseif ( ! in_array( $row->comment_approved, array( 'post-trashed', 'trash' ), true ) ) { - $counts['total_comments'] += $row->num_comments; - } - if ( isset( $approved[ $row->comment_approved ] ) ) { - $counts[ $approved[ $row->comment_approved ] ] = $row->num_comments; - } - } - - foreach ( $approved as $key ) { - if ( empty( $counts[ $key ] ) ) { - $counts[ $key ] = 0; - } - } - - $counts = (object) $counts; - - return $counts; - } - - /** - * traps `wp_die()` calls and outputs a JSON response instead. - * The result is always output, never returned. - * - * @param string|null $error_code Call with string to start the trapping. Call with null to stop. - * @param int $http_status HTTP status code, 400 by default. - */ - function trap_wp_die( $error_code = null, $http_status = 400 ) { - if ( is_null( $error_code ) ) { - $this->trapped_error = null; - // Stop trapping - remove_filter( 'wp_die_handler', array( $this, 'wp_die_handler_callback' ) ); - return; - } - - // If API called via PHP, bail: don't do our custom wp_die(). Do the normal wp_die(). - if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) { - if ( ! defined( 'REST_API_REQUEST' ) || ! REST_API_REQUEST ) { - return; - } - } else { - if ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) { - return; - } - } - - $this->trapped_error = array( - 'status' => $http_status, - 'code' => $error_code, - 'message' => '', - ); - // Start trapping - add_filter( 'wp_die_handler', array( $this, 'wp_die_handler_callback' ) ); - } - - function wp_die_handler_callback() { - return array( $this, 'wp_die_handler' ); - } - - function wp_die_handler( $message, $title = '', $args = array() ) { - // Allow wp_die calls to override HTTP status code... - $args = wp_parse_args( $args, array( - 'response' => $this->trapped_error['status'], - ) ); - - // ... unless it's 500 ( see http://wp.me/pMz3w-5VV ) - if ( (int) $args['response'] !== 500 ) { - $this->trapped_error['status'] = $args['response']; - } - - if ( $title ) { - $message = "$title: $message"; - } - - $this->trapped_error['message'] = wp_kses( $message, array() ); - - switch ( $this->trapped_error['code'] ) { - case 'comment_failure' : - if ( did_action( 'comment_duplicate_trigger' ) ) { - $this->trapped_error['code'] = 'comment_duplicate'; - } else if ( did_action( 'comment_flood_trigger' ) ) { - $this->trapped_error['code'] = 'comment_flood'; - } - break; - } - - // We still want to exit so that code execution stops where it should. - // Attach the JSON output to the WordPress shutdown handler - add_action( 'shutdown', array( $this, 'output_trapped_error' ), 0 ); - exit; - } - - function output_trapped_error() { - $this->exit = false; // We're already exiting once. Don't do it twice. - $this->output( $this->trapped_error['status'], (object) array( - 'error' => $this->trapped_error['code'], - 'message' => $this->trapped_error['message'], - ) ); - } - - function finish_request() { - if ( function_exists( 'fastcgi_finish_request' ) ) - return fastcgi_finish_request(); - } -} |