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<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
/**
* Jetpack JSON API.
*
* @package automattic/jetpack
*/
use Automattic\Jetpack\Status;
if ( ! defined( 'WPCOM_JSON_API__DEBUG' ) ) {
define( 'WPCOM_JSON_API__DEBUG', false );
}
require_once __DIR__ . '/sal/class.json-api-platform.php';
/**
* Jetpack JSON API.
*/
class WPCOM_JSON_API {
/**
* Static instance.
*
* @todo This should be private.
* @var self|null
*/
public static $self = null;
/**
* Registered endpoints.
*
* @var WPCOM_JSON_API_Endpoint[]
*/
public $endpoints = array();
/**
* Endpoint being processed.
*
* @var WPCOM_JSON_API_Endpoint
*/
public $endpoint = null;
/**
* Token details.
*
* @var array
*/
public $token_details = array();
/**
* Request HTTP method.
*
* @var string
*/
public $method = '';
/**
* Request URL.
*
* @var string
*/
public $url = '';
/**
* Path part of the request URL.
*
* @var string
*/
public $path = '';
/**
* Version extracted from the request URL.
*
* @var string|null
*/
public $version = null;
/**
* Parsed query data.
*
* @var array
*/
public $query = array();
/**
* Post body, if the request is a POST.
*
* @var string|null
*/
public $post_body = null;
/**
* Copy of `$_FILES` if the request is a POST.
*
* @var null|array
*/
public $files = null;
/**
* Content type of the request.
*
* @var string|null
*/
public $content_type = null;
/**
* Value of `$_SERVER['HTTP_ACCEPT']`, if any
*
* @var string
*/
public $accept = '';
/**
* Value of `$_SERVER['HTTPS']`, or "--UNset--" if unset.
*
* @var string
*/
public $_server_https; // phpcs:ignore PSR2.Classes.PropertyDeclaration.Underscore
/**
* Whether to exit after serving a response.
*
* @var bool
*/
public $exit = true;
/**
* Public API scheme.
*
* @var string
*/
public $public_api_scheme = 'https';
/**
* Output status code.
*
* @var int
*/
public $output_status_code = 200;
/**
* Trapped error.
*
* @var null|array
*/
public $trapped_error = null;
/**
* Whether output has been done.
*
* @var bool
*/
public $did_output = false;
/**
* Extra HTTP headers.
*
* @var string
*/
public $extra_headers = array();
/**
* AMP source origin.
*
* @var string
*/
public $amp_source_origin = null;
/**
* Initialize.
*
* @param string|null $method As for `$this->setup_inputs()`.
* @param string|null $url As for `$this->setup_inputs()`.
* @param string|null $post_body As for `$this->setup_inputs()`.
* @return WPCOM_JSON_API instance
*/
public static function init( $method = null, $url = null, $post_body = null ) {
if ( ! self::$self ) {
self::$self = new static( $method, $url, $post_body );
}
return self::$self;
}
/**
* Add an endpoint.
*
* @param WPCOM_JSON_API_Endpoint $endpoint Endpoint to add.
*/
public function add( WPCOM_JSON_API_Endpoint $endpoint ) {
// @todo Determine if anything depends on this being serialized rather than e.g. JSON.
// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_serialize -- Legacy, possibly depended on elsewhere.
$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;
}
/**
* Determine if a string is truthy. If it's not a string, which can happen with
* not well-formed data coming from Jetpack sites, we still consider it a truthy value.
*
* @param mixed $value true, 1, "1", "t", and "true" (case insensitive) are truthy, everything else isn't.
* @return bool
*/
public static function is_truthy( $value ) {
if ( true === $value ) {
return true;
}
if ( 1 === $value ) {
return true;
}
if ( ! is_string( $value ) ) {
return false;
}
switch ( strtolower( (string) $value ) ) {
case '1':
case 't':
case 'true':
return true;
}
return false;
}
/**
* Determine if a string is falsey.
*
* @param mixed $value false, 0, "0", "f", and "false" (case insensitive) are falsey, everything else isn't.
* @return bool
*/
public static function is_falsy( $value ) {
if ( false === $value ) {
return true;
}
if ( 0 === $value ) {
return true;
}
if ( ! is_string( $value ) ) {
return false;
}
switch ( strtolower( (string) $value ) ) {
case '0':
case 'f':
case 'false':
return true;
}
return false;
}
/**
* Constructor.
*
* @todo This should be private.
* @param string|null $method As for `$this->setup_inputs()`.
* @param string|null $url As for `$this->setup_inputs()`.
* @param string|null $post_body As for `$this->setup_inputs()`.
*/
public function __construct( $method = null, $url = null, $post_body = null ) {
$this->setup_inputs( $method, $url, $post_body );
}
/**
* Setup inputs.
*
* @param string|null $method Request HTTP method. Fetched from `$_SERVER` if null.
* @param string|null $url URL requested. Determined from `$_SERVER` if null.
* @param string|null $post_body POST body. Read from `php://input` if null and method is POST.
*/
public function setup_inputs( $method = null, $url = null, $post_body = null ) {
if ( $method === null ) {
$this->method = isset( $_SERVER['REQUEST_METHOD'] ) ? strtoupper( filter_var( wp_unslash( $_SERVER['REQUEST_METHOD'] ) ) ) : '';
} else {
$this->method = strtoupper( $method );
}
if ( $url === null ) {
// phpcs:ignore WordPress.Security.ValidatedSanitizedInput.InputNotSanitized -- Sniff misses the esc_url_raw.
$this->url = esc_url_raw( set_url_scheme( 'http://' . ( isset( $_SERVER['HTTP_HOST'] ) ? wp_unslash( $_SERVER['HTTP_HOST'] ) : '' ) . ( isset( $_SERVER['REQUEST_URI'] ) ? wp_unslash( $_SERVER['REQUEST_URI'] ) : '' ) ) );
} else {
$this->url = $url;
}
$parsed = wp_parse_url( $this->url );
if ( ! empty( $parsed['path'] ) ) {
$this->path = $parsed['path'];
}
if ( ! empty( $parsed['query'] ) ) {
wp_parse_str( $parsed['query'], $this->query );
}
if ( ! empty( $_SERVER['HTTP_ACCEPT'] ) ) {
$this->accept = filter_var( wp_unslash( $_SERVER['HTTP_ACCEPT'] ) );
}
if ( 'POST' === $this->method ) {
if ( $post_body === null ) {
$this->post_body = file_get_contents( 'php://input' );
if ( ! empty( $_SERVER['HTTP_CONTENT_TYPE'] ) ) {
$this->content_type = filter_var( wp_unslash( $_SERVER['HTTP_CONTENT_TYPE'] ) );
} elseif ( ! empty( $_SERVER['CONTENT_TYPE'] ) ) {
$this->content_type = filter_var( wp_unslash( $_SERVER['CONTENT_TYPE'] ) );
} elseif ( isset( $this->post_body[0] ) && '{' === $this->post_body[0] ) {
$this->content_type = 'application/json';
} else {
$this->content_type = 'application/x-www-form-urlencoded';
}
if ( str_starts_with( strtolower( $this->content_type ), 'multipart/' ) ) {
// phpcs:ignore WordPress.Security.NonceVerification.Missing
$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 ) ? filter_var( wp_unslash( $_SERVER['HTTPS'] ) ) : '--UNset--';
}
/**
* Initialize.
*
* @return null|WP_Error (although this implementation always returns null)
*/
public function initialize() {
$this->token_details['blog_id'] = Jetpack_Options::get_option( 'id' );
return null;
}
/**
* Checks if the current request is authorized with a blog token.
* This method is overridden by a child class in WPCOM.
*
* @since 9.1.0
*
* @param boolean|int $site_id The site id.
* @return boolean
*/
public function is_jetpack_authorized_for_site( $site_id = false ) {
if ( ! $this->token_details ) {
return false;
}
$token_details = (object) $this->token_details;
$site_in_token = (int) $token_details->blog_id;
if ( $site_in_token < 1 ) {
return false;
}
if ( $site_id && $site_in_token !== (int) $site_id ) {
return false;
}
if ( (int) get_current_user_id() !== 0 ) {
// If Jetpack blog token is used, no logged-in user should exist.
return false;
}
return true;
}
/**
* Checks if the current request is authorized with an upload token.
* This method is overridden by a child class in WPCOM.
*
* @since 13.5
* @return boolean
*/
public function is_authorized_with_upload_token() {
return false;
}
/**
* Serve.
*
* @param bool $exit Whether to exit.
* @return string|null Content type (assuming it didn't exit), or null in certain error cases.
*/
public function serve( $exit = true ) {
ini_set( 'display_errors', false ); // phpcs:ignore WordPress.PHP.IniSet.display_errors_Blacklisted
$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 );
if ( 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';
}
} elseif ( in_array( $this->method, $allowed_methods, true ) ) {
// 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 ) {
// @todo Determine if anything depends on this being serialized rather than e.g. JSON.
// phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.serialize_unserialize -- Legacy, possibly depended on elsewhere.
$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 = implode( '/', 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( implode( ',', 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 );
}
/**
* Process a request.
*
* @param WPCOM_JSON_API_Endpoint $endpoint Endpoint.
* @param array $path_pieces Path pieces.
* @return array|WP_Error Return value from the endpoint's callback.
*/
public function process_request( WPCOM_JSON_API_Endpoint $endpoint, $path_pieces ) {
$this->endpoint = $endpoint;
return call_user_func_array( array( $endpoint, 'callback' ), $path_pieces );
}
/**
* Output a response or error without exiting.
*
* @param int $status_code HTTP status code.
* @param mixed $response Response data.
* @param string $content_type Content type of the response.
*/
public 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();
}
}
/**
* Set output status code.
*
* @param int $code HTTP status code.
*/
public function set_output_status_code( $code = 200 ) {
$this->output_status_code = $code;
}
/**
* Output a response.
*
* @param int $status_code HTTP status code.
* @param mixed $response Response data.
* @param string $content_type Content type of the response.
* @param array $extra Additional HTTP headers.
* @return string Content type (assuming it didn't exit).
*/
public function output( $status_code, $response = null, $content_type = 'application/json', $extra = array() ) {
$status_code = (int) $status_code;
// 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: *' );
}
/* Add headers for form submission from <amp-form/> */
if ( $this->amp_source_origin ) {
header( 'Access-Control-Allow-Origin: ' . wp_unslash( $this->amp_source_origin ) );
header( 'Access-Control-Allow-Credentials: true' );
}
if ( $response === null ) {
$response = new stdClass();
}
if ( 'text/plain' === $content_type ||
'text/html' === $content_type ) {
status_header( (int) $status_code );
header( 'Content-Type: ' . $content_type );
foreach ( $extra as $key => $value ) {
header( "$key: $value" );
}
echo $response; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped
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 ( $callback ) {
// Mitigate Rosetta Flash [1] by setting the Content-Type-Options: nosniff header
// and by prepending the JSONP response with a JS comment.
// [1] <https://blog.miki.it/2014/7/8/abusing-jsonp-with-rosetta-flash/index.html>.
echo "/**/$callback("; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- This is JSONP output, not HTML.
}
echo $this->json_encode( $response ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- This is JSON or JSONP output, not HTML.
if ( $callback ) {
echo ');';
}
if ( $this->exit ) {
exit;
}
return $content_type;
}
/**
* Serialize an error.
*
* @param WP_Error $error Error.
* @return array with 'status_code' and 'errors' data.
*/
public static function serializable_error( $error ) {
$status_code = $error->get_error_data();
if ( is_array( $status_code ) && isset( $status_code['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(),
);
$additional_data = $error->get_error_data( 'additional_data' );
if ( $additional_data ) {
$response['data'] = $additional_data;
}
return array(
'status_code' => $status_code,
'errors' => $response,
);
}
/**
* Output an error.
*
* @param WP_Error $error Error.
* @return string Content type (assuming it didn't exit).
*/
public function output_error( $error ) {
$error_response = static::serializable_error( $error );
return $this->output( $error_response['status_code'], $error_response['errors'] );
}
/**
* Filter fields in a response.
*
* @param array|object $response Response.
* @return array|object Filtered response.
*/
public 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 ] ) ) {
// phpcs:ignore Squiz.PHP.DisallowMultipleAssignments.Found -- False positive.
$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 ) );
} elseif ( is_array( $response ) ) {
$response = array_intersect_key( $response, array_flip( $fields ) );
}
}
return $response;
}
/**
* Filter for `home_url`.
*
* If `$original_scheme` is null, turns an https URL to http.
*
* @param string $url The complete home URL including scheme and path.
* @param string $path Path relative to the home URL. Blank string if no path is specified.
* @param string|null $original_scheme Scheme to give the home URL context. Accepts 'http', 'https', 'relative', 'rest', or null.
* @return string URL.
*/
public function ensure_http_scheme_of_home_url( $url, $path, $original_scheme ) {
if ( $original_scheme ) {
return $url;
}
return preg_replace( '#^https:#', 'http:', $url );
}
/**
* Decode HTML special characters in comment content.
*
* @param string $comment_content Comment content.
* @return string
*/
public function comment_edit_pre( $comment_content ) {
return htmlspecialchars_decode( $comment_content, ENT_QUOTES );
}
/**
* JSON encode.
*
* @param mixed $data Data.
* @return string|false
*/
public function json_encode( $data ) {
return wp_json_encode( $data );
}
/**
* Test if a string ends with a string.
*
* @param string $haystack String to check.
* @param string $needle Suffix to check.
* @return bool
*/
public function ends_with( $haystack, $needle ) {
return substr( $haystack, -strlen( $needle ) ) === $needle;
}
/**
* Returns the site's blog_id in the WP.com ecosystem
*
* @return int
*/
public function get_blog_id_for_output() {
return $this->token_details['blog_id'];
}
/**
* Returns the site's local blog_id.
*
* @param int $blog_id Blog ID.
* @return int
*/
public function get_blog_id( $blog_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return $GLOBALS['blog_id'];
}
/**
* Switch to blog and validate user.
*
* @param int $blog_id Blog ID.
* @param bool $verify_token_for_blog Whether to verify the token.
* @return int Blog ID.
*/
public function switch_to_blog_and_validate_user( $blog_id = 0, $verify_token_for_blog = true ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
if ( $this->is_restricted_blog( $blog_id ) ) {
return new WP_Error( 'unauthorized', 'User cannot access this restricted blog', 403 );
}
/**
* If this is a private site we check for 2 things:
* 1. In case of user based authentication, we need to check if the logged-in user has the 'read' capability.
* 2. In case of site based authentication, make sure the endpoint accepts it.
*/
if ( ( new Status() )->is_private_site() &&
! current_user_can( 'read' ) &&
! $this->endpoint->accepts_site_based_authentication()
) {
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
*
* @param int $blog_id Blog ID.
* @return bool
*/
public 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 ); // phpcs:ignore WordPress.PHP.StrictInArray.MissingTrueStrict -- I don't trust filters to return the right types.
}
/**
* Post like count.
*
* @param int $blog_id Blog ID.
* @param int $post_id Post ID.
* @return int
*/
public function post_like_count( $blog_id, $post_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return 0;
}
/**
* Is liked?
*
* @param int $blog_id Blog ID.
* @param int $post_id Post ID.
* @return bool
*/
public function is_liked( $blog_id, $post_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return false;
}
/**
* Is reblogged?
*
* @param int $blog_id Blog ID.
* @param int $post_id Post ID.
* @return bool
*/
public function is_reblogged( $blog_id, $post_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return false;
}
/**
* Is following?
*
* @param int $blog_id Blog ID.
* @return bool
*/
public function is_following( $blog_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
return false;
}
/**
* Add global ID.
*
* @param int $blog_id Blog ID.
* @param int $post_id Post ID.
* @return string
*/
public function add_global_ID( $blog_id, $post_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable, WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
return '';
}
/**
* Return a count of comment likes.
* This method is overridden by a child class in WPCOM.
*
* @since 13.5
* @return int
*/
public function comment_like_count() {
func_get_args(); // @phan-suppress-current-line PhanPluginUseReturnValueInternalKnown -- This is just here so Phan realizes the wpcom version does this.
return 0;
}
/**
* Get avatar URL.
*
* @param string $email Email.
* @param array $args Args for `get_avatar_url()`.
* @return string|false
*/
public function get_avatar_url( $email, $args = null ) {
if ( function_exists( 'wpcom_get_avatar_url' ) ) {
$ret = wpcom_get_avatar_url( $email, $args['size'] ?? 96, $args['default'] ?? '', false, $args['force_default'] ?? false );
return $ret ? $ret[0] : false;
} else {
return null === $args
? get_avatar_url( $email )
: get_avatar_url( $email, $args );
}
}
/**
* Counts the number of comments on a site, including certain comment types.
*
* @param int $post_id 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
* @deprecated 11.1
* @module json-api
*
* @param array Array of comment types to exclude (default: 'order_note', 'webhook_delivery', 'review', 'action_log')
*/
$exclude = apply_filters_deprecated( 'jetpack_api_exclude_comment_types_count', array( 'order_note', 'webhook_delivery', 'review', 'action_log' ), 'jetpack-11.1', 'jetpack_api_include_comment_types_count' ); // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
/**
* Include certain comment types in comment counts in the REST API.
* Note: the default array of comment types includes an empty string,
* to support comments posted before WP 5.5, that used an empty string as comment type.
*
* @since 11.1
* @module json-api
*
* @param array Array of comment types to include (default: 'comment', 'pingback', 'trackback')
*/
$include = apply_filters(
'jetpack_api_include_comment_types_count',
array( 'comment', 'pingback', 'trackback', '' )
);
if ( empty( $include ) ) {
return wp_count_comments( $post_id );
}
array_walk( $include, 'esc_sql' );
$where = sprintf(
"WHERE comment_type IN ( '%s' )",
implode( "','", $include )
);
// phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- `$where` is built with escaping just above.
$count = $wpdb->get_results(
"SELECT comment_approved, COUNT(*) AS num_comments
FROM $wpdb->comments
{$where}
GROUP BY comment_approved
"
);
// phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared
$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.
*/
public function trap_wp_die( $error_code = null, $http_status = 400 ) {
// Determine the filter name; based on the conditionals inside the wp_die function.
if ( wp_is_json_request() ) {
$die_handler = 'wp_die_json_handler';
} elseif ( wp_is_jsonp_request() ) {
$die_handler = 'wp_die_jsonp_handler';
} elseif ( wp_is_xml_request() ) {
$die_handler = 'wp_die_xml_handler';
} else {
$die_handler = 'wp_die_handler';
}
if ( $error_code === null ) {
$this->trapped_error = null;
// Stop trapping.
remove_filter( $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;
}
} elseif ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) {
return;
}
$this->trapped_error = array(
'status' => $http_status,
'code' => $error_code,
'message' => '',
);
// Start trapping.
add_filter( $die_handler, array( $this, 'wp_die_handler_callback' ) );
}
/**
* Filter function for `wp_die_handler` and similar filters.
*
* @return callable
*/
public function wp_die_handler_callback() {
return array( $this, 'wp_die_handler' );
}
/**
* Handler for `wp_die` calls.
*
* @param string|WP_Error $message As for `wp_die()`.
* @param string|int $title As for `wp_die()`.
* @param string|array|int $args As for `wp_die()`.
* @return never
*/
public 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
if ( 500 !== (int) $args['response'] ) {
$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';
} elseif ( 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;
}
/**
* Output the trapped error.
*/
public 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'],
)
);
}
/**
* Finish the request.
*/
public function finish_request() {
if ( function_exists( 'fastcgi_finish_request' ) ) {
return fastcgi_finish_request();
}
}
}