laipower/wp-content/plugins/jetpack-protect/jetpack_vendor/automattic/jetpack-connection/legacy/class-jetpack-xmlrpc-server...

878 lines
26 KiB
PHP

<?php
/**
* Jetpack XMLRPC Server.
*
* @package automattic/jetpack-connection
*/
use Automattic\Jetpack\Connection\Client;
use Automattic\Jetpack\Connection\Manager as Connection_Manager;
use Automattic\Jetpack\Connection\Secrets;
use Automattic\Jetpack\Connection\Tokens;
use Automattic\Jetpack\Connection\Urls;
use Automattic\Jetpack\Constants;
use Automattic\Jetpack\Roles;
/**
* Just a sack of functions. Not actually an IXR_Server
*/
class Jetpack_XMLRPC_Server {
/**
* The current error object
*
* @var \WP_Error
*/
public $error = null;
/**
* The current user
*
* @var \WP_User
*/
public $user = null;
/**
* The connection manager object.
*
* @var Automattic\Jetpack\Connection\Manager
*/
private $connection;
/**
* Creates a new XMLRPC server object.
*/
public function __construct() {
$this->connection = new Connection_Manager();
}
/**
* Whitelist of the XML-RPC methods available to the Jetpack Server. If the
* user is not authenticated (->login()) then the methods are never added,
* so they will get a "does not exist" error.
*
* @param array $core_methods Core XMLRPC methods.
*/
public function xmlrpc_methods( $core_methods ) {
$jetpack_methods = array(
'jetpack.verifyAction' => array( $this, 'verify_action' ),
'jetpack.idcUrlValidation' => array( $this, 'validate_urls_for_idc_mitigation' ),
'jetpack.unlinkUser' => array( $this, 'unlink_user' ),
'jetpack.testConnection' => array( $this, 'test_connection' ),
);
$jetpack_methods = array_merge( $jetpack_methods, $this->provision_xmlrpc_methods() );
$this->user = $this->login();
if ( $this->user ) {
$jetpack_methods = array_merge(
$jetpack_methods,
array(
'jetpack.testAPIUserCode' => array( $this, 'test_api_user_code' ),
)
);
if ( isset( $core_methods['metaWeblog.editPost'] ) ) {
$jetpack_methods['metaWeblog.newMediaObject'] = $core_methods['metaWeblog.newMediaObject'];
$jetpack_methods['jetpack.updateAttachmentParent'] = array( $this, 'update_attachment_parent' );
}
/**
* Filters the XML-RPC methods available to Jetpack for authenticated users.
*
* @since 1.7.0
* @since-jetpack 1.1.0
*
* @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
* @param array $core_methods Available core XML-RPC methods.
* @param \WP_User $user Information about the user authenticated in the request.
*/
$jetpack_methods = apply_filters( 'jetpack_xmlrpc_methods', $jetpack_methods, $core_methods, $this->user );
}
/**
* Filters the XML-RPC methods available to Jetpack for requests signed both with a blog token or a user token.
*
* @since 1.7.0
* @since 1.9.5 Introduced the $user parameter.
* @since-jetpack 3.0.0
*
* @param array $jetpack_methods XML-RPC methods available to the Jetpack Server.
* @param array $core_methods Available core XML-RPC methods.
* @param \WP_User|bool $user Information about the user authenticated in the request. False if authenticated with blog token.
*/
return apply_filters( 'jetpack_xmlrpc_unauthenticated_methods', $jetpack_methods, $core_methods, $this->user );
}
/**
* Whitelist of the bootstrap XML-RPC methods
*/
public function bootstrap_xmlrpc_methods() {
return array(
'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
'jetpack.remoteRegister' => array( $this, 'remote_register' ),
);
}
/**
* Additional method needed for authorization calls.
*/
public function authorize_xmlrpc_methods() {
return array(
'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ),
'jetpack.remoteRegister' => array( $this, 'remote_already_registered' ),
);
}
/**
* Remote provisioning methods.
*/
public function provision_xmlrpc_methods() {
return array(
'jetpack.remoteRegister' => array( $this, 'remote_register' ),
'jetpack.remoteProvision' => array( $this, 'remote_provision' ),
'jetpack.remoteConnect' => array( $this, 'remote_connect' ),
'jetpack.getUser' => array( $this, 'get_user' ),
);
}
/**
* Used to verify whether a local user exists and what role they have.
*
* @param int|string|array $request One of:
* int|string The local User's ID, username, or email address.
* array A request array containing:
* 0: int|string The local User's ID, username, or email address.
*
* @return array|\IXR_Error Information about the user, or error if no such user found:
* roles: string[] The user's rols.
* login: string The user's username.
* email_hash string[] The MD5 hash of the user's normalized email address.
* caps string[] The user's capabilities.
* allcaps string[] The user's granular capabilities, merged from role capabilities.
* token_key string The Token Key of the user's Jetpack token. Empty string if none.
*/
public function get_user( $request ) {
$user_id = is_array( $request ) ? $request[0] : $request;
if ( ! $user_id ) {
return $this->error(
new \WP_Error(
'invalid_user',
__( 'Invalid user identifier.', 'jetpack-connection' ),
400
),
'get_user'
);
}
$user = $this->get_user_by_anything( $user_id );
if ( ! $user ) {
return $this->error(
new \WP_Error(
'user_unknown',
__( 'User not found.', 'jetpack-connection' ),
404
),
'get_user'
);
}
$user_token = ( new Tokens() )->get_access_token( $user->ID );
if ( $user_token ) {
list( $user_token_key ) = explode( '.', $user_token->secret );
if ( $user_token_key === $user_token->secret ) {
$user_token_key = '';
}
} else {
$user_token_key = '';
}
return array(
'id' => $user->ID,
'login' => $user->user_login,
'email_hash' => md5( strtolower( trim( $user->user_email ) ) ),
'roles' => $user->roles,
'caps' => $user->caps,
'allcaps' => $user->allcaps,
'token_key' => $user_token_key,
);
}
/**
* Remote authorization XMLRPC method handler.
*
* @param array $request the request.
*/
public function remote_authorize( $request ) {
$user = get_user_by( 'id', $request['state'] );
/**
* Happens on various request handling events in the Jetpack XMLRPC server.
* The action combines several types of events:
* - remote_authorize
* - remote_provision
* - get_user.
*
* @since 1.7.0
* @since-jetpack 8.0.0
*
* @param String $action the action name, i.e., 'remote_authorize'.
* @param String $stage the execution stage, can be 'begin', 'success', 'error', etc.
* @param array $parameters extra parameters from the event.
* @param WP_User $user the acting user.
*/
do_action( 'jetpack_xmlrpc_server_event', 'remote_authorize', 'begin', array(), $user );
foreach ( array( 'secret', 'state', 'redirect_uri', 'code' ) as $required ) {
if ( ! isset( $request[ $required ] ) || empty( $request[ $required ] ) ) {
return $this->error(
new \WP_Error( 'missing_parameter', 'One or more parameters is missing from the request.', 400 ),
'remote_authorize'
);
}
}
if ( ! $user ) {
return $this->error( new \WP_Error( 'user_unknown', 'User not found.', 404 ), 'remote_authorize' );
}
if ( $this->connection->has_connected_owner() && $this->connection->is_user_connected( $request['state'] ) ) {
return $this->error( new \WP_Error( 'already_connected', 'User already connected.', 400 ), 'remote_authorize' );
}
$verified = $this->verify_action( array( 'authorize', $request['secret'], $request['state'] ) );
if ( is_a( $verified, 'IXR_Error' ) ) {
return $this->error( $verified, 'remote_authorize' );
}
wp_set_current_user( $request['state'] );
$result = $this->connection->authorize( $request );
if ( is_wp_error( $result ) ) {
return $this->error( $result, 'remote_authorize' );
}
// This action is documented in class.jetpack-xmlrpc-server.php.
do_action( 'jetpack_xmlrpc_server_event', 'remote_authorize', 'success' );
return array(
'result' => $result,
);
}
/**
* This XML-RPC method is called from the /jpphp/provision endpoint on WPCOM in order to
* register this site so that a plan can be provisioned.
*
* @param array|ArrayAccess $request An array containing at minimum nonce and local_user keys.
*
* @return \WP_Error|array
*/
public function remote_register( $request ) {
// This action is documented in class.jetpack-xmlrpc-server.php.
do_action( 'jetpack_xmlrpc_server_event', 'remote_register', 'begin', array() );
$user = $this->fetch_and_verify_local_user( $request );
if ( ! $user ) {
return $this->error(
new WP_Error( 'input_error', __( 'Valid user is required', 'jetpack-connection' ), 400 ),
'remote_register'
);
}
if ( is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) {
return $this->error( $user, 'remote_register' );
}
if ( empty( $request['nonce'] ) ) {
return $this->error(
new \WP_Error(
'nonce_missing',
__( 'The required "nonce" parameter is missing.', 'jetpack-connection' ),
400
),
'remote_register'
);
}
$nonce = sanitize_text_field( $request['nonce'] );
unset( $request['nonce'] );
$api_url = $this->connection->api_url( 'partner_provision_nonce_check' );
$response = Client::_wp_remote_request(
esc_url_raw( add_query_arg( 'nonce', $nonce, $api_url ) ),
array( 'method' => 'GET' ),
true
);
if (
200 !== wp_remote_retrieve_response_code( $response ) ||
'OK' !== trim( wp_remote_retrieve_body( $response ) )
) {
return $this->error(
new \WP_Error(
'invalid_nonce',
__( 'There was an issue validating this request.', 'jetpack-connection' ),
400
),
'remote_register'
);
}
if ( ! Jetpack_Options::get_option( 'id' ) || ! ( new Tokens() )->get_access_token() || ! empty( $request['force'] ) ) {
wp_set_current_user( $user->ID );
// This code mostly copied from Jetpack::admin_page_load.
if ( isset( $request['from'] ) ) {
$this->connection->add_register_request_param( 'from', (string) $request['from'] );
}
$registered = $this->connection->try_registration();
if ( is_wp_error( $registered ) ) {
return $this->error( $registered, 'remote_register' );
} elseif ( ! $registered ) {
return $this->error(
new \WP_Error(
'registration_error',
__( 'There was an unspecified error registering the site', 'jetpack-connection' ),
400
),
'remote_register'
);
}
}
// This action is documented in class.jetpack-xmlrpc-server.php.
do_action( 'jetpack_xmlrpc_server_event', 'remote_register', 'success' );
return array(
'client_id' => Jetpack_Options::get_option( 'id' ),
);
}
/**
* This is a substitute for remote_register() when the blog is already registered which returns an error code
* signifying that state.
* This is an unauthorized call and we should not be responding with any data other than the error code.
*
* @return \IXR_Error
*/
public function remote_already_registered() {
return $this->error(
new \WP_Error( 'already_registered', __( 'Blog is already registered', 'jetpack-connection' ), 400 ),
'remote_register'
);
}
/**
* This XML-RPC method is called from the /jpphp/provision endpoint on WPCOM in order to
* register this site so that a plan can be provisioned.
*
* @param array|ArrayAccess $request An array containing at minimum a nonce key and a local_username key.
*
* @return \WP_Error|array
*/
public function remote_provision( $request ) {
$user = $this->fetch_and_verify_local_user( $request );
if ( ! $user ) {
return $this->error(
new WP_Error( 'input_error', __( 'Valid user is required', 'jetpack-connection' ), 400 ),
'remote_provision'
);
}
if ( is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) {
return $this->error( $user, 'remote_provision' );
}
$site_icon = get_site_icon_url();
/**
* Filters the Redirect URI returned by the remote_register XMLRPC method
*
* @param string $redirect_uri The Redirect URI
*
* @since 1.9.7
*/
$redirect_uri = apply_filters( 'jetpack_xmlrpc_remote_register_redirect_uri', admin_url() );
// Generate secrets.
$roles = new Roles();
$role = $roles->translate_user_to_role( $user );
$secrets = ( new Secrets() )->generate( 'authorize', $user->ID );
$response = array(
'jp_version' => Constants::get_constant( 'JETPACK__VERSION' ),
'redirect_uri' => $redirect_uri,
'user_id' => $user->ID,
'user_email' => $user->user_email,
'user_login' => $user->user_login,
'scope' => $this->connection->sign_role( $role, $user->ID ),
'secret' => $secrets['secret_1'],
'is_active' => $this->connection->has_connected_owner(),
);
if ( $site_icon ) {
$response['site_icon'] = $site_icon;
}
/**
* Filters the response of the remote_provision XMLRPC method
*
* @param array $response The response.
* @param array $request An array containing at minimum a nonce key and a local_username key.
* @param \WP_User $user The local authenticated user.
*
* @since 1.9.7
*/
$response = apply_filters( 'jetpack_remote_xmlrpc_provision_response', $response, $request, $user );
return $response;
}
/**
* Given an array containing a local user identifier and a nonce, will attempt to fetch and set
* an access token for the given user.
*
* @param array $request An array containing local_user and nonce keys at minimum.
* @param \IXR_Client $ixr_client The client object, optional.
* @return mixed
*/
public function remote_connect( $request, $ixr_client = false ) {
if ( $this->connection->has_connected_owner() ) {
return $this->error(
new WP_Error(
'already_connected',
__( 'Jetpack is already connected.', 'jetpack-connection' ),
400
),
'remote_connect'
);
}
$user = $this->fetch_and_verify_local_user( $request );
if ( ! $user || is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) {
return $this->error(
new WP_Error(
'input_error',
__( 'Valid user is required.', 'jetpack-connection' ),
400
),
'remote_connect'
);
}
if ( empty( $request['nonce'] ) ) {
return $this->error(
new WP_Error(
'input_error',
__( 'A non-empty nonce must be supplied.', 'jetpack-connection' ),
400
),
'remote_connect'
);
}
if ( ! $ixr_client ) {
$ixr_client = new Jetpack_IXR_Client();
}
// TODO: move this query into the Tokens class?
$ixr_client->query(
'jetpack.getUserAccessToken',
array(
'nonce' => sanitize_text_field( $request['nonce'] ),
'external_user_id' => $user->ID,
)
);
$token = $ixr_client->isError() ? false : $ixr_client->getResponse();
if ( empty( $token ) ) {
return $this->error(
new WP_Error(
'token_fetch_failed',
__( 'Failed to fetch user token from WordPress.com.', 'jetpack-connection' ),
400
),
'remote_connect'
);
}
$token = sanitize_text_field( $token );
( new Tokens() )->update_user_token( $user->ID, sprintf( '%s.%d', $token, $user->ID ), true );
/**
* Hook fired at the end of the jetpack.remoteConnect XML-RPC callback
*
* @since 1.9.7
*/
do_action( 'jetpack_remote_connect_end' );
return $this->connection->has_connected_owner();
}
/**
* Getter for the local user to act as.
*
* @param array $request the current request data.
*/
private function fetch_and_verify_local_user( $request ) {
if ( empty( $request['local_user'] ) ) {
return $this->error(
new \WP_Error(
'local_user_missing',
__( 'The required "local_user" parameter is missing.', 'jetpack-connection' ),
400
),
'remote_provision'
);
}
// Local user is used to look up by login, email or ID.
$local_user_info = $request['local_user'];
return $this->get_user_by_anything( $local_user_info );
}
/**
* Gets the user object by its data.
*
* @param string $user_id can be any identifying user data.
*/
private function get_user_by_anything( $user_id ) {
$user = get_user_by( 'login', $user_id );
if ( ! $user ) {
$user = get_user_by( 'email', $user_id );
}
if ( ! $user ) {
$user = get_user_by( 'ID', $user_id );
}
return $user;
}
/**
* Possible error_codes:
*
* - verify_secret_1_missing
* - verify_secret_1_malformed
* - verify_secrets_missing: verification secrets are not found in database
* - verify_secrets_incomplete: verification secrets are only partially found in database
* - verify_secrets_expired: verification secrets have expired
* - verify_secrets_mismatch: stored secret_1 does not match secret_1 sent by Jetpack.WordPress.com
* - state_missing: required parameter of state not found
* - state_malformed: state is not a digit
* - invalid_state: state in request does not match the stored state
*
* The 'authorize' and 'register' actions have additional error codes
*
* state_missing: a state ( user id ) was not supplied
* state_malformed: state is not the correct data type
* invalid_state: supplied state does not match the stored state
*
* @param array $params action An array of 3 parameters:
* [0]: string action. Possible values are `authorize`, `publicize` and `register`.
* [1]: string secret_1.
* [2]: int state.
* @return \IXR_Error|string IXR_Error on failure, secret_2 on success.
*/
public function verify_action( $params ) {
$action = isset( $params[0] ) ? $params[0] : '';
$verify_secret = isset( $params[1] ) ? $params[1] : '';
$state = isset( $params[2] ) ? $params[2] : '';
$result = ( new Secrets() )->verify( $action, $verify_secret, $state );
if ( is_wp_error( $result ) ) {
return $this->error( $result );
}
return $result;
}
/**
* Wrapper for wp_authenticate( $username, $password );
*
* @return \WP_User|bool
*/
public function login() {
$this->connection->require_jetpack_authentication();
$user = wp_authenticate( 'username', 'password' );
if ( is_wp_error( $user ) ) {
if ( 'authentication_failed' === $user->get_error_code() ) { // Generic error could mean most anything.
$this->error = new \WP_Error( 'invalid_request', 'Invalid Request', 403 );
} else {
$this->error = $user;
}
return false;
} elseif ( ! $user ) { // Shouldn't happen.
$this->error = new \WP_Error( 'invalid_request', 'Invalid Request', 403 );
return false;
}
wp_set_current_user( $user->ID );
return $user;
}
/**
* Returns the current error as an \IXR_Error
*
* @param \WP_Error|\IXR_Error $error The error object, optional.
* @param string $event_name The event name.
* @param \WP_User $user The user object.
* @return bool|\IXR_Error
*/
public function error( $error = null, $event_name = null, $user = null ) {
if ( null !== $event_name ) {
// This action is documented in class.jetpack-xmlrpc-server.php.
do_action( 'jetpack_xmlrpc_server_event', $event_name, 'fail', $error, $user );
}
if ( $error !== null ) {
$this->error = $error;
}
if ( is_wp_error( $this->error ) ) {
$code = $this->error->get_error_data();
if ( ! $code ) {
$code = -10520;
}
$message = sprintf( 'Jetpack: [%s] %s', $this->error->get_error_code(), $this->error->get_error_message() );
if ( ! class_exists( \IXR_Error::class ) ) {
require_once ABSPATH . WPINC . '/class-IXR.php';
}
return new \IXR_Error( $code, $message );
} elseif ( is_a( $this->error, 'IXR_Error' ) ) {
return $this->error;
}
return false;
}
/* API Methods */
/**
* Just authenticates with the given Jetpack credentials.
*
* @return string A success string. The Jetpack plugin filters it and make it return the Jetpack plugin version.
*/
public function test_connection() {
/**
* Filters the successful response of the XMLRPC test_connection method
*
* @param string $response The response string.
*/
return apply_filters( 'jetpack_xmlrpc_test_connection_response', 'success' );
}
/**
* Test the API user code.
*
* @param array $args arguments identifying the test site.
*/
public function test_api_user_code( $args ) {
$client_id = (int) $args[0];
$user_id = (int) $args[1];
$nonce = (string) $args[2];
$verify = (string) $args[3];
if ( ! $client_id || ! $user_id || ! strlen( $nonce ) || 32 !== strlen( $verify ) ) {
return false;
}
$user = get_user_by( 'id', $user_id );
if ( ! $user || is_wp_error( $user ) ) {
return false;
}
/* phpcs:ignore
debugging
error_log( "CLIENT: $client_id" );
error_log( "USER: $user_id" );
error_log( "NONCE: $nonce" );
error_log( "VERIFY: $verify" );
*/
$jetpack_token = ( new Tokens() )->get_access_token( $user_id );
$api_user_code = get_user_meta( $user_id, "jetpack_json_api_$client_id", true );
if ( ! $api_user_code ) {
return false;
}
$hmac = hash_hmac(
'md5',
json_encode( // phpcs:ignore WordPress.WP.AlternativeFunctions.json_encode_json_encode
(object) array(
'client_id' => (int) $client_id,
'user_id' => (int) $user_id,
'nonce' => (string) $nonce,
'code' => (string) $api_user_code,
)
),
$jetpack_token->secret
);
if ( ! hash_equals( $hmac, $verify ) ) {
return false;
}
return $user_id;
}
/**
* Unlink a user from WordPress.com
*
* When the request is done without any parameter, this XMLRPC callback gets an empty array as input.
*
* If $user_id is not provided, it will try to disconnect the current logged in user. This will fail if called by the Master User.
*
* If $user_id is is provided, it will try to disconnect the informed user, even if it's the Master User.
*
* @param mixed $user_id The user ID to disconnect from this site.
*/
public function unlink_user( $user_id = array() ) {
$user_id = (int) $user_id;
if ( $user_id < 1 ) {
$user_id = null;
}
/**
* Fired when we want to log an event to the Jetpack event log.
*
* @since 1.7.0
* @since-jetpack 7.7.0
*
* @param string $code Unique name for the event.
* @param string $data Optional data about the event.
*/
do_action( 'jetpack_event_log', 'unlink' );
return $this->connection->disconnect_user(
$user_id,
(bool) $user_id
);
}
/**
* Returns the home URL, site URL, and URL secret for the current site which can be used on the WPCOM side for
* IDC mitigation to decide whether sync should be allowed if the home and siteurl values differ between WPCOM
* and the remote Jetpack site.
*
* @since 1.56.0 Additional data may be added via filter `jetpack_connection_validate_urls_for_idc_mitigation_response`.
*
* @return array
*/
public function validate_urls_for_idc_mitigation() {
$response = array(
'home' => Urls::home_url(),
'siteurl' => Urls::site_url(),
);
/**
* Allows modifying the response.
*
* @since 1.56.0
*
* @param array $response
*/
return apply_filters( 'jetpack_connection_validate_urls_for_idc_mitigation_response', $response );
}
/**
* Updates the attachment parent object.
*
* @param array $args attachment and parent identifiers.
*/
public function update_attachment_parent( $args ) {
$attachment_id = (int) $args[0];
$parent_id = (int) $args[1];
return wp_update_post(
array(
'ID' => $attachment_id,
'post_parent' => $parent_id,
)
);
}
/**
* Deprecated: This method is no longer part of the Connection package and now lives on the Jetpack plugin.
*
* Disconnect this blog from the connected wordpress.com account
*
* @deprecated since 1.25.0
* @see Jetpack_XMLRPC_Methods::disconnect_blog() in the Jetpack plugin
*
* @return boolean
*/
public function disconnect_blog() {
_deprecated_function( __METHOD__, '1.25.0', 'Jetpack_XMLRPC_Methods::disconnect_blog()' );
if ( class_exists( 'Jetpack_XMLRPC_Methods' ) ) {
return Jetpack_XMLRPC_Methods::disconnect_blog();
}
return false;
}
/**
* Deprecated: This method is no longer part of the Connection package and now lives on the Jetpack plugin.
*
* Returns what features are available. Uses the slug of the module files.
*
* @deprecated since 1.25.0
* @see Jetpack_XMLRPC_Methods::features_available() in the Jetpack plugin
*
* @return array
*/
public function features_available() {
_deprecated_function( __METHOD__, '1.25.0', 'Jetpack_XMLRPC_Methods::features_available()' );
if ( class_exists( 'Jetpack_XMLRPC_Methods' ) ) {
return Jetpack_XMLRPC_Methods::features_available();
}
return array();
}
/**
* Deprecated: This method is no longer part of the Connection package and now lives on the Jetpack plugin.
*
* Returns what features are enabled. Uses the slug of the modules files.
*
* @deprecated since 1.25.0
* @see Jetpack_XMLRPC_Methods::features_enabled() in the Jetpack plugin
*
* @return array
*/
public function features_enabled() {
_deprecated_function( __METHOD__, '1.25.0', 'Jetpack_XMLRPC_Methods::features_enabled()' );
if ( class_exists( 'Jetpack_XMLRPC_Methods' ) ) {
return Jetpack_XMLRPC_Methods::features_enabled();
}
return array();
}
/**
* Deprecated: This method is no longer part of the Connection package and now lives on the Jetpack plugin.
*
* Serve a JSON API request.
*
* @deprecated since 1.25.0
* @see Jetpack_XMLRPC_Methods::json_api() in the Jetpack plugin
*
* @param array $args request arguments.
*/
public function json_api( $args = array() ) {
_deprecated_function( __METHOD__, '1.25.0', 'Jetpack_XMLRPC_Methods::json_api()' );
if ( class_exists( 'Jetpack_XMLRPC_Methods' ) ) {
return Jetpack_XMLRPC_Methods::json_api( $args );
}
return array();
}
}