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| 1 | <?php |
| 2 | /** |
| 3 | * IXR_Client |
| 4 | * |
| 5 | * @package automattic/jetpack-connection |
| 6 | * |
| 7 | * @since 1.7.0 |
| 8 | * @since-jetpack 1.5 |
| 9 | * @since-jetpack 7.7 Moved to the jetpack-connection package. |
| 10 | */ |
| 11 | |
| 12 | use Automattic\Jetpack\Connection\Client; |
| 13 | use Automattic\Jetpack\Connection\Manager; |
| 14 | |
| 15 | /** |
| 16 | * Disable direct access. |
| 17 | */ |
| 18 | if ( ! defined( 'ABSPATH' ) ) { |
| 19 | exit( 0 ); |
| 20 | } |
| 21 | |
| 22 | if ( ! class_exists( IXR_Client::class ) ) { |
| 23 | require_once ABSPATH . WPINC . '/class-IXR.php'; |
| 24 | } |
| 25 | |
| 26 | /** |
| 27 | * A Jetpack implementation of the WordPress core IXR client. |
| 28 | */ |
| 29 | class Jetpack_IXR_Client extends IXR_Client { |
| 30 | /** |
| 31 | * Jetpack args, used for the remote requests. |
| 32 | * |
| 33 | * @var array |
| 34 | */ |
| 35 | public $jetpack_args = null; |
| 36 | |
| 37 | /** |
| 38 | * Remote Response Headers. |
| 39 | * |
| 40 | * @var array |
| 41 | */ |
| 42 | public $response_headers = null; |
| 43 | |
| 44 | /** |
| 45 | * Holds the raw remote response from the latest call to query(). |
| 46 | * |
| 47 | * @var null|array|WP_Error |
| 48 | */ |
| 49 | public $last_response = null; |
| 50 | |
| 51 | /** |
| 52 | * Constructor. |
| 53 | * Initialize a new Jetpack IXR client instance. |
| 54 | * |
| 55 | * @param array $args Jetpack args, used for the remote requests. |
| 56 | * @param string|bool $path Path to perform the reuqest to. |
| 57 | * @param int $port Port number. |
| 58 | * @param int $timeout The connection timeout, in seconds. |
| 59 | */ |
| 60 | public function __construct( $args = array(), $path = false, $port = 80, $timeout = 15 ) { |
| 61 | $connection = new Manager(); |
| 62 | |
| 63 | $defaults = array( |
| 64 | 'url' => $connection->xmlrpc_api_url(), |
| 65 | 'user_id' => 0, |
| 66 | 'headers' => array(), |
| 67 | ); |
| 68 | |
| 69 | $args = wp_parse_args( $args, $defaults ); |
| 70 | $args['headers'] = array_merge( array( 'Content-Type' => 'text/xml' ), (array) $args['headers'] ); |
| 71 | |
| 72 | $this->jetpack_args = $args; |
| 73 | |
| 74 | $this->IXR_Client( $args['url'], $path, $port, $timeout ); |
| 75 | } |
| 76 | |
| 77 | /** |
| 78 | * Perform the IXR request. |
| 79 | * |
| 80 | * @param mixed ...$args IXR method and args. |
| 81 | * |
| 82 | * @return bool True if request succeeded, false otherwise. |
| 83 | */ |
| 84 | public function query( ...$args ) { |
| 85 | $method = array_shift( $args ); |
| 86 | $request = new IXR_Request( $method, $args ); |
| 87 | $xml = trim( $request->getXml() ); |
| 88 | |
| 89 | $response = Client::remote_request( $this->jetpack_args, $xml ); |
| 90 | |
| 91 | // Store response headers. |
| 92 | $this->response_headers = wp_remote_retrieve_headers( $response ); |
| 93 | |
| 94 | $this->last_response = $response; |
| 95 | if ( is_array( $this->last_response ) && isset( $this->last_response['http_response'] ) ) { |
| 96 | // If the expected array response is received, format the data as plain arrays. |
| 97 | $this->last_response = $this->last_response['http_response']->to_array(); |
| 98 | $this->last_response['headers'] = $this->last_response['headers']->getAll(); |
| 99 | } |
| 100 | |
| 101 | if ( is_wp_error( $response ) ) { |
| 102 | $this->error = new IXR_Error( -10520, sprintf( 'Jetpack: [%s] %s', $response->get_error_code(), $response->get_error_message() ) ); |
| 103 | return false; |
| 104 | } |
| 105 | |
| 106 | if ( ! $response ) { |
| 107 | $this->error = new IXR_Error( -10520, 'Jetpack: Unknown Error' ); |
| 108 | return false; |
| 109 | } |
| 110 | |
| 111 | if ( 200 !== wp_remote_retrieve_response_code( $response ) ) { |
| 112 | $this->error = new IXR_Error( -32300, 'transport error - HTTP status code was not 200' ); |
| 113 | return false; |
| 114 | } |
| 115 | |
| 116 | $content = wp_remote_retrieve_body( $response ); |
| 117 | |
| 118 | // Now parse what we've got back. |
| 119 | $this->message = new IXR_Message( $content ); |
| 120 | if ( ! $this->message->parse() ) { |
| 121 | // XML error. |
| 122 | $this->error = new IXR_Error( -32700, 'parse error. not well formed' ); |
| 123 | return false; |
| 124 | } |
| 125 | |
| 126 | // Is the message a fault? |
| 127 | if ( 'fault' === $this->message->messageType ) { |
| 128 | $this->error = new IXR_Error( $this->message->faultCode, $this->message->faultString ); |
| 129 | return false; |
| 130 | } |
| 131 | |
| 132 | // Message must be OK. |
| 133 | return true; |
| 134 | } |
| 135 | |
| 136 | /** |
| 137 | * Retrieve the Jetpack error from the result of the last request. |
| 138 | * |
| 139 | * @param int $fault_code Fault code. |
| 140 | * @param string $fault_string Fault string. |
| 141 | * @return WP_Error Error object. |
| 142 | */ |
| 143 | public function get_jetpack_error( $fault_code = null, $fault_string = null ) { |
| 144 | if ( $fault_code === null ) { |
| 145 | $fault_code = $this->error->code; |
| 146 | } |
| 147 | |
| 148 | if ( $fault_string === null ) { |
| 149 | $fault_string = $this->error->message; |
| 150 | } |
| 151 | |
| 152 | if ( preg_match( '#jetpack:\s+\[(\w+)\]\s*(.*)?$#i', $fault_string, $match ) ) { |
| 153 | $code = $match[1]; |
| 154 | $message = $match[2]; |
| 155 | $status = $fault_code; |
| 156 | return new WP_Error( $code, $message, $status ); |
| 157 | } |
| 158 | |
| 159 | return new WP_Error( "IXR_{$fault_code}", $fault_string ); |
| 160 | } |
| 161 | |
| 162 | /** |
| 163 | * Retrieve a response header if set. |
| 164 | * |
| 165 | * @param string $name header name. |
| 166 | * @return string|bool Header value if set, false if not set. |
| 167 | */ |
| 168 | public function get_response_header( $name ) { |
| 169 | if ( isset( $this->response_headers[ $name ] ) ) { |
| 170 | return $this->response_headers[ $name ]; |
| 171 | } |
| 172 | // case-insensitive header names: http://www.ietf.org/rfc/rfc2616.txt. |
| 173 | if ( isset( $this->response_headers[ strtolower( $name ) ] ) ) { |
| 174 | return $this->response_headers[ strtolower( $name ) ]; |
| 175 | } |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | /** |
| 180 | * Retrieve the raw response for the last query() call. |
| 181 | * |
| 182 | * @return null|array|WP_Error |
| 183 | */ |
| 184 | public function get_last_response() { |
| 185 | return $this->last_response; |
| 186 | } |
| 187 | } |