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<?php
/**
* IXR_Client
*
* @package automattic/jetpack-connection
*
* @since 1.7.0
* @since-jetpack 1.5
* @since-jetpack 7.7 Moved to the jetpack-connection package.
*/
use Automattic\Jetpack\Connection\Client;
use Automattic\Jetpack\Connection\Manager;
if ( ! class_exists( IXR_Client::class ) ) {
require_once ABSPATH . WPINC . '/class-IXR.php';
}
/**
* A Jetpack implementation of the WordPress core IXR client.
*/
class Jetpack_IXR_Client extends IXR_Client {
/**
* Jetpack args, used for the remote requests.
*
* @var array
*/
public $jetpack_args = null;
/**
* Remote Response Headers.
*
* @var array
*/
public $response_headers = null;
/**
* Constructor.
* Initialize a new Jetpack IXR client instance.
*
* @param array $args Jetpack args, used for the remote requests.
* @param string|bool $path Path to perform the reuqest to.
* @param int $port Port number.
* @param int $timeout The connection timeout, in seconds.
*/
public function __construct( $args = array(), $path = false, $port = 80, $timeout = 15 ) {
$connection = new Manager();
$defaults = array(
'url' => $connection->xmlrpc_api_url(),
'user_id' => 0,
'headers' => array(),
);
$args = wp_parse_args( $args, $defaults );
$args['headers'] = array_merge( array( 'Content-Type' => 'text/xml' ), (array) $args['headers'] );
$this->jetpack_args = $args;
$this->IXR_Client( $args['url'], $path, $port, $timeout );
}
/**
* Perform the IXR request.
*
* @param string[] ...$args IXR args.
*
* @return bool True if request succeeded, false otherwise.
*/
public function query( ...$args ) {
$method = array_shift( $args );
$request = new IXR_Request( $method, $args );
$xml = trim( $request->getXml() );
$response = Client::remote_request( $this->jetpack_args, $xml );
// Store response headers.
$this->response_headers = wp_remote_retrieve_headers( $response );
if ( is_wp_error( $response ) ) {
$this->error = new IXR_Error( -10520, sprintf( 'Jetpack: [%s] %s', $response->get_error_code(), $response->get_error_message() ) );
return false;
}
if ( ! $response ) {
$this->error = new IXR_Error( -10520, 'Jetpack: Unknown Error' );
return false;
}
if ( 200 !== wp_remote_retrieve_response_code( $response ) ) {
$this->error = new IXR_Error( -32300, 'transport error - HTTP status code was not 200' );
return false;
}
$content = wp_remote_retrieve_body( $response );
// Now parse what we've got back.
$this->message = new IXR_Message( $content );
if ( ! $this->message->parse() ) {
// XML error.
$this->error = new IXR_Error( -32700, 'parse error. not well formed' );
return false;
}
// Is the message a fault?
if ( 'fault' === $this->message->messageType ) {
$this->error = new IXR_Error( $this->message->faultCode, $this->message->faultString );
return false;
}
// Message must be OK.
return true;
}
/**
* Retrieve the Jetpack error from the result of the last request.
*
* @param int $fault_code Fault code.
* @param string $fault_string Fault string.
* @return WP_Error Error object.
*/
public function get_jetpack_error( $fault_code = null, $fault_string = null ) {
if ( is_null( $fault_code ) ) {
$fault_code = $this->error->code;
}
if ( is_null( $fault_string ) ) {
$fault_string = $this->error->message;
}
if ( preg_match( '#jetpack:\s+\[(\w+)\]\s*(.*)?$#i', $fault_string, $match ) ) {
$code = $match[1];
$message = $match[2];
$status = $fault_code;
return new \WP_Error( $code, $message, $status );
}
return new \WP_Error( "IXR_{$fault_code}", $fault_string );
}
/**
* Retrieve a response header if set.
*
* @param string $name header name.
* @return string|bool Header value if set, false if not set.
*/
public function get_response_header( $name ) {
if ( isset( $this->response_headers[ $name ] ) ) {
return $this->response_headers[ $name ];
}
// case-insensitive header names: http://www.ietf.org/rfc/rfc2616.txt.
if ( isset( $this->response_headers[ strtolower( $name ) ] ) ) {
return $this->response_headers[ strtolower( $name ) ];
}
return false;
}
}
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