class.jetpack-xmlrpc-server.php
| 1 | <?php |
| 2 | |
| 3 | use Automattic\Jetpack\Connection\Client; |
| 4 | |
| 5 | use Automattic\Jetpack\Sync\Modules; |
| 6 | use Automattic\Jetpack\Sync\Functions; |
| 7 | use Automattic\Jetpack\Sync\Sender; |
| 8 | use Automattic\Jetpack\Tracking; |
| 9 | |
| 10 | /** |
| 11 | * Just a sack of functions. Not actually an IXR_Server |
| 12 | */ |
| 13 | class Jetpack_XMLRPC_Server { |
| 14 | /** |
| 15 | * The current error object |
| 16 | */ |
| 17 | public $error = null; |
| 18 | |
| 19 | /** |
| 20 | * The current user |
| 21 | */ |
| 22 | public $user = null; |
| 23 | |
| 24 | private $tracking; |
| 25 | |
| 26 | function __construct() { |
| 27 | $this->tracking = new Tracking(); |
| 28 | } |
| 29 | |
| 30 | /** |
| 31 | * Whitelist of the XML-RPC methods available to the Jetpack Server. If the |
| 32 | * user is not authenticated (->login()) then the methods are never added, |
| 33 | * so they will get a "does not exist" error. |
| 34 | */ |
| 35 | function xmlrpc_methods( $core_methods ) { |
| 36 | $jetpack_methods = array( |
| 37 | 'jetpack.jsonAPI' => array( $this, 'json_api' ), |
| 38 | 'jetpack.verifyAction' => array( $this, 'verify_action' ), |
| 39 | 'jetpack.getUser' => array( $this, 'get_user' ), |
| 40 | 'jetpack.remoteRegister' => array( $this, 'remote_register' ), |
| 41 | 'jetpack.remoteProvision' => array( $this, 'remote_provision' ), |
| 42 | ); |
| 43 | |
| 44 | $this->user = $this->login(); |
| 45 | |
| 46 | if ( $this->user ) { |
| 47 | $jetpack_methods = array_merge( $jetpack_methods, array( |
| 48 | 'jetpack.testConnection' => array( $this, 'test_connection' ), |
| 49 | 'jetpack.testAPIUserCode' => array( $this, 'test_api_user_code' ), |
| 50 | 'jetpack.featuresAvailable' => array( $this, 'features_available' ), |
| 51 | 'jetpack.featuresEnabled' => array( $this, 'features_enabled' ), |
| 52 | 'jetpack.disconnectBlog' => array( $this, 'disconnect_blog' ), |
| 53 | 'jetpack.unlinkUser' => array( $this, 'unlink_user' ), |
| 54 | 'jetpack.syncObject' => array( $this, 'sync_object' ), |
| 55 | 'jetpack.idcUrlValidation' => array( $this, 'validate_urls_for_idc_mitigation' ), |
| 56 | ) ); |
| 57 | |
| 58 | if ( isset( $core_methods['metaWeblog.editPost'] ) ) { |
| 59 | $jetpack_methods['metaWeblog.newMediaObject'] = $core_methods['metaWeblog.newMediaObject']; |
| 60 | $jetpack_methods['jetpack.updateAttachmentParent'] = array( $this, 'update_attachment_parent' ); |
| 61 | } |
| 62 | |
| 63 | /** |
| 64 | * Filters the XML-RPC methods available to Jetpack for authenticated users. |
| 65 | * |
| 66 | * @since 1.1.0 |
| 67 | * |
| 68 | * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server. |
| 69 | * @param array $core_methods Available core XML-RPC methods. |
| 70 | * @param WP_User $user Information about a given WordPress user. |
| 71 | */ |
| 72 | $jetpack_methods = apply_filters( 'jetpack_xmlrpc_methods', $jetpack_methods, $core_methods, $this->user ); |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Filters the XML-RPC methods available to Jetpack for unauthenticated users. |
| 77 | * |
| 78 | * @since 3.0.0 |
| 79 | * |
| 80 | * @param array $jetpack_methods XML-RPC methods available to the Jetpack Server. |
| 81 | * @param array $core_methods Available core XML-RPC methods. |
| 82 | */ |
| 83 | return apply_filters( 'jetpack_xmlrpc_unauthenticated_methods', $jetpack_methods, $core_methods ); |
| 84 | } |
| 85 | |
| 86 | /** |
| 87 | * Whitelist of the bootstrap XML-RPC methods |
| 88 | */ |
| 89 | function bootstrap_xmlrpc_methods() { |
| 90 | return array( |
| 91 | 'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ), |
| 92 | 'jetpack.remoteRegister' => array( $this, 'remote_register' ), |
| 93 | ); |
| 94 | } |
| 95 | |
| 96 | function authorize_xmlrpc_methods() { |
| 97 | return array( |
| 98 | 'jetpack.remoteAuthorize' => array( $this, 'remote_authorize' ), |
| 99 | ); |
| 100 | } |
| 101 | |
| 102 | function provision_xmlrpc_methods() { |
| 103 | return array( |
| 104 | 'jetpack.remoteRegister' => array( $this, 'remote_register' ), |
| 105 | 'jetpack.remoteProvision' => array( $this, 'remote_provision' ), |
| 106 | 'jetpack.remoteConnect' => array( $this, 'remote_connect' ), |
| 107 | 'jetpack.getUser' => array( $this, 'get_user' ), |
| 108 | ); |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * Used to verify whether a local user exists and what role they have. |
| 113 | * |
| 114 | * @param int|string|array $request One of: |
| 115 | * int|string The local User's ID, username, or email address. |
| 116 | * array A request array containing: |
| 117 | * 0: int|string The local User's ID, username, or email address. |
| 118 | * |
| 119 | * @return array|IXR_Error Information about the user, or error if no such user found: |
| 120 | * roles: string[] The user's rols. |
| 121 | * login: string The user's username. |
| 122 | * email_hash string[] The MD5 hash of the user's normalized email address. |
| 123 | * caps string[] The user's capabilities. |
| 124 | * allcaps string[] The user's granular capabilities, merged from role capabilities. |
| 125 | * token_key string The Token Key of the user's Jetpack token. Empty string if none. |
| 126 | */ |
| 127 | function get_user( $request ) { |
| 128 | $user_id = is_array( $request ) ? $request[0] : $request; |
| 129 | |
| 130 | if ( ! $user_id ) { |
| 131 | return $this->error( |
| 132 | new Jetpack_Error( |
| 133 | 'invalid_user', |
| 134 | __( 'Invalid user identifier.', 'jetpack' ), |
| 135 | 400 |
| 136 | ), |
| 137 | 'jpc_get_user_fail' |
| 138 | ); |
| 139 | } |
| 140 | |
| 141 | $user = $this->get_user_by_anything( $user_id ); |
| 142 | |
| 143 | if ( ! $user ) { |
| 144 | return $this->error( |
| 145 | new Jetpack_Error( |
| 146 | 'user_unknown', |
| 147 | __( 'User not found.', 'jetpack' ), |
| 148 | 404 |
| 149 | ), |
| 150 | 'jpc_get_user_fail' |
| 151 | ); |
| 152 | } |
| 153 | |
| 154 | $connection = Jetpack::connection(); |
| 155 | $user_token = $connection->get_access_token( $user->ID ); |
| 156 | |
| 157 | if ( $user_token ) { |
| 158 | list( $user_token_key, $user_token_private ) = explode( '.', $user_token->secret ); |
| 159 | if ( $user_token_key === $user_token->secret ) { |
| 160 | $user_token_key = ''; |
| 161 | } |
| 162 | } else { |
| 163 | $user_token_key = ''; |
| 164 | } |
| 165 | |
| 166 | return array( |
| 167 | 'id' => $user->ID, |
| 168 | 'login' => $user->user_login, |
| 169 | 'email_hash' => md5( strtolower( trim( $user->user_email ) ) ), |
| 170 | 'roles' => $user->roles, |
| 171 | 'caps' => $user->caps, |
| 172 | 'allcaps' => $user->allcaps, |
| 173 | 'token_key' => $user_token_key, |
| 174 | ); |
| 175 | } |
| 176 | |
| 177 | function remote_authorize( $request ) { |
| 178 | $user = get_user_by( 'id', $request['state'] ); |
| 179 | $this->tracking->record_user_event( 'jpc_remote_authorize_begin', array(), $user ); |
| 180 | |
| 181 | foreach( array( 'secret', 'state', 'redirect_uri', 'code' ) as $required ) { |
| 182 | if ( ! isset( $request[ $required ] ) || empty( $request[ $required ] ) ) { |
| 183 | return $this->error( new Jetpack_Error( 'missing_parameter', 'One or more parameters is missing from the request.', 400 ), 'jpc_remote_authorize_fail' ); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | if ( ! $user ) { |
| 188 | return $this->error( new Jetpack_Error( 'user_unknown', 'User not found.', 404 ), 'jpc_remote_authorize_fail' ); |
| 189 | } |
| 190 | |
| 191 | if ( Jetpack::is_active() && Jetpack::is_user_connected( $request['state'] ) ) { |
| 192 | return $this->error( new Jetpack_Error( 'already_connected', 'User already connected.', 400 ), 'jpc_remote_authorize_fail' ); |
| 193 | } |
| 194 | |
| 195 | $verified = $this->verify_action( array( 'authorize', $request['secret'], $request['state'] ) ); |
| 196 | |
| 197 | if ( is_a( $verified, 'IXR_Error' ) ) { |
| 198 | return $this->error( $verified, 'jpc_remote_authorize_fail' ); |
| 199 | } |
| 200 | |
| 201 | wp_set_current_user( $request['state'] ); |
| 202 | |
| 203 | $client_server = new Jetpack_Client_Server; |
| 204 | $result = $client_server->authorize( $request ); |
| 205 | |
| 206 | if ( is_wp_error( $result ) ) { |
| 207 | return $this->error( $result, 'jpc_remote_authorize_fail' ); |
| 208 | } |
| 209 | |
| 210 | $this->tracking->record_user_event( 'jpc_remote_authorize_success' ); |
| 211 | |
| 212 | return array( |
| 213 | 'result' => $result, |
| 214 | ); |
| 215 | } |
| 216 | |
| 217 | /** |
| 218 | * This XML-RPC method is called from the /jpphp/provision endpoint on WPCOM in order to |
| 219 | * register this site so that a plan can be provisioned. |
| 220 | * |
| 221 | * @param array $request An array containing at minimum nonce and local_user keys. |
| 222 | * |
| 223 | * @return WP_Error|array |
| 224 | */ |
| 225 | public function remote_register( $request ) { |
| 226 | $this->tracking->record_user_event( 'jpc_remote_register_begin', array() ); |
| 227 | |
| 228 | $user = $this->fetch_and_verify_local_user( $request ); |
| 229 | |
| 230 | if ( ! $user ) { |
| 231 | return $this->error( new WP_Error( 'input_error', __( 'Valid user is required', 'jetpack' ), 400 ), 'jpc_remote_register_fail' ); |
| 232 | } |
| 233 | |
| 234 | if ( is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) { |
| 235 | return $this->error( $user, 'jpc_remote_register_fail' ); |
| 236 | } |
| 237 | |
| 238 | if ( empty( $request['nonce'] ) ) { |
| 239 | return $this->error( |
| 240 | new Jetpack_Error( |
| 241 | 'nonce_missing', |
| 242 | __( 'The required "nonce" parameter is missing.', 'jetpack' ), |
| 243 | 400 |
| 244 | ), |
| 245 | 'jpc_remote_register_fail' |
| 246 | ); |
| 247 | } |
| 248 | |
| 249 | $nonce = sanitize_text_field( $request['nonce'] ); |
| 250 | unset( $request['nonce'] ); |
| 251 | |
| 252 | $api_url = Jetpack::fix_url_for_bad_hosts( Jetpack::api_url( 'partner_provision_nonce_check' ) ); |
| 253 | $response = Client::_wp_remote_request( |
| 254 | esc_url_raw( add_query_arg( 'nonce', $nonce, $api_url ) ), |
| 255 | array( 'method' => 'GET' ), |
| 256 | true |
| 257 | ); |
| 258 | |
| 259 | if ( |
| 260 | 200 !== wp_remote_retrieve_response_code( $response ) || |
| 261 | 'OK' !== trim( wp_remote_retrieve_body( $response ) ) |
| 262 | ) { |
| 263 | return $this->error( |
| 264 | new Jetpack_Error( |
| 265 | 'invalid_nonce', |
| 266 | __( 'There was an issue validating this request.', 'jetpack' ), |
| 267 | 400 |
| 268 | ), |
| 269 | 'jpc_remote_register_fail' |
| 270 | ); |
| 271 | } |
| 272 | |
| 273 | if ( ! Jetpack_Options::get_option( 'id' ) || ! Jetpack_Data::get_access_token() || ! empty( $request['force'] ) ) { |
| 274 | wp_set_current_user( $user->ID ); |
| 275 | |
| 276 | // This code mostly copied from Jetpack::admin_page_load. |
| 277 | Jetpack::maybe_set_version_option(); |
| 278 | $registered = Jetpack::try_registration(); |
| 279 | if ( is_wp_error( $registered ) ) { |
| 280 | return $this->error( $registered, 'jpc_remote_register_fail' ); |
| 281 | } elseif ( ! $registered ) { |
| 282 | return $this->error( |
| 283 | new Jetpack_Error( |
| 284 | 'registration_error', |
| 285 | __( 'There was an unspecified error registering the site', 'jetpack' ), |
| 286 | 400 |
| 287 | ), |
| 288 | 'jpc_remote_register_fail' |
| 289 | ); |
| 290 | } |
| 291 | } |
| 292 | |
| 293 | $this->tracking->record_user_event( 'jpc_remote_register_success' ); |
| 294 | |
| 295 | return array( |
| 296 | 'client_id' => Jetpack_Options::get_option( 'id' ) |
| 297 | ); |
| 298 | } |
| 299 | |
| 300 | /** |
| 301 | * This XML-RPC method is called from the /jpphp/provision endpoint on WPCOM in order to |
| 302 | * register this site so that a plan can be provisioned. |
| 303 | * |
| 304 | * @param array $request An array containing at minimum a nonce key and a local_username key. |
| 305 | * |
| 306 | * @return WP_Error|array |
| 307 | */ |
| 308 | public function remote_provision( $request ) { |
| 309 | $user = $this->fetch_and_verify_local_user( $request ); |
| 310 | |
| 311 | if ( ! $user ) { |
| 312 | return $this->error( new WP_Error( 'input_error', __( 'Valid user is required', 'jetpack' ), 400 ), 'jpc_remote_provision_fail' ); |
| 313 | } |
| 314 | |
| 315 | if ( is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) { |
| 316 | return $this->error( $user, 'jpc_remote_provision_fail' ); |
| 317 | } |
| 318 | |
| 319 | $site_icon = get_site_icon_url(); |
| 320 | |
| 321 | $auto_enable_sso = ( ! Jetpack::is_active() || Jetpack::is_module_active( 'sso' ) ); |
| 322 | |
| 323 | /** This filter is documented in class.jetpack-cli.php */ |
| 324 | if ( apply_filters( 'jetpack_start_enable_sso', $auto_enable_sso ) ) { |
| 325 | $redirect_uri = add_query_arg( |
| 326 | array( |
| 327 | 'action' => 'jetpack-sso', |
| 328 | 'redirect_to' => rawurlencode( admin_url() ), |
| 329 | ), |
| 330 | wp_login_url() // TODO: come back to Jetpack dashboard? |
| 331 | ); |
| 332 | } else { |
| 333 | $redirect_uri = admin_url(); |
| 334 | } |
| 335 | |
| 336 | // Generate secrets. |
| 337 | $role = Jetpack::translate_user_to_role( $user ); |
| 338 | $secrets = Jetpack::init()->generate_secrets( 'authorize', $user->ID ); |
| 339 | |
| 340 | $response = array( |
| 341 | 'jp_version' => JETPACK__VERSION, |
| 342 | 'redirect_uri' => $redirect_uri, |
| 343 | 'user_id' => $user->ID, |
| 344 | 'user_email' => $user->user_email, |
| 345 | 'user_login' => $user->user_login, |
| 346 | 'scope' => Jetpack::sign_role( $role, $user->ID ), |
| 347 | 'secret' => $secrets['secret_1'], |
| 348 | 'is_active' => Jetpack::is_active(), |
| 349 | ); |
| 350 | |
| 351 | if ( $site_icon ) { |
| 352 | $response['site_icon'] = $site_icon; |
| 353 | } |
| 354 | |
| 355 | if ( ! empty( $request['onboarding'] ) ) { |
| 356 | Jetpack::create_onboarding_token(); |
| 357 | $response['onboarding_token'] = Jetpack_Options::get_option( 'onboarding' ); |
| 358 | } |
| 359 | |
| 360 | return $response; |
| 361 | } |
| 362 | |
| 363 | /** |
| 364 | * Given an array containing a local user identifier and a nonce, will attempt to fetch and set |
| 365 | * an access token for the given user. |
| 366 | * |
| 367 | * @param array $request An array containing local_user and nonce keys at minimum. |
| 368 | * @return mixed |
| 369 | */ |
| 370 | public function remote_connect( $request, $ixr_client = false ) { |
| 371 | if ( Jetpack::is_active() ) { |
| 372 | return $this->error( |
| 373 | new WP_Error( |
| 374 | 'already_connected', |
| 375 | __( 'Jetpack is already connected.', 'jetpack' ), |
| 376 | 400 |
| 377 | ), |
| 378 | 'jpc_remote_connect_fail' |
| 379 | ); |
| 380 | } |
| 381 | |
| 382 | $user = $this->fetch_and_verify_local_user( $request ); |
| 383 | |
| 384 | if ( ! $user || is_wp_error( $user ) || is_a( $user, 'IXR_Error' ) ) { |
| 385 | return $this->error( |
| 386 | new WP_Error( |
| 387 | 'input_error', |
| 388 | __( 'Valid user is required.', 'jetpack' ), |
| 389 | 400 |
| 390 | ), |
| 391 | 'jpc_remote_connect_fail' |
| 392 | ); |
| 393 | } |
| 394 | |
| 395 | if ( empty( $request['nonce'] ) ) { |
| 396 | return $this->error( |
| 397 | new WP_Error( |
| 398 | 'input_error', |
| 399 | __( 'A non-empty nonce must be supplied.', 'jetpack' ), |
| 400 | 400 |
| 401 | ), |
| 402 | 'jpc_remote_connect_fail' |
| 403 | ); |
| 404 | } |
| 405 | |
| 406 | if ( ! $ixr_client ) { |
| 407 | Jetpack::load_xml_rpc_client(); |
| 408 | $ixr_client = new Jetpack_IXR_Client(); |
| 409 | } |
| 410 | $ixr_client->query( 'jetpack.getUserAccessToken', array( |
| 411 | 'nonce' => sanitize_text_field( $request['nonce'] ), |
| 412 | 'external_user_id' => $user->ID, |
| 413 | ) ); |
| 414 | |
| 415 | $token = $ixr_client->isError() ? false : $ixr_client->getResponse(); |
| 416 | if ( empty( $token ) ) { |
| 417 | return $this->error( |
| 418 | new WP_Error( |
| 419 | 'token_fetch_failed', |
| 420 | __( 'Failed to fetch user token from WordPress.com.', 'jetpack' ), |
| 421 | 400 |
| 422 | ), |
| 423 | 'jpc_remote_connect_fail' |
| 424 | ); |
| 425 | } |
| 426 | $token = sanitize_text_field( $token ); |
| 427 | |
| 428 | Jetpack::update_user_token( $user->ID, sprintf( '%s.%d', $token, $user->ID ), true ); |
| 429 | |
| 430 | $this->do_post_authorization(); |
| 431 | |
| 432 | return Jetpack::is_active(); |
| 433 | } |
| 434 | |
| 435 | private function fetch_and_verify_local_user( $request ) { |
| 436 | if ( empty( $request['local_user'] ) ) { |
| 437 | return $this->error( |
| 438 | new Jetpack_Error( |
| 439 | 'local_user_missing', |
| 440 | __( 'The required "local_user" parameter is missing.', 'jetpack' ), |
| 441 | 400 |
| 442 | ), |
| 443 | 'jpc_remote_provision_fail' |
| 444 | ); |
| 445 | } |
| 446 | |
| 447 | // local user is used to look up by login, email or ID |
| 448 | $local_user_info = $request['local_user']; |
| 449 | |
| 450 | return $this->get_user_by_anything( $local_user_info ); |
| 451 | } |
| 452 | |
| 453 | private function get_user_by_anything( $user_id ) { |
| 454 | $user = get_user_by( 'login', $user_id ); |
| 455 | |
| 456 | if ( ! $user ) { |
| 457 | $user = get_user_by( 'email', $user_id ); |
| 458 | } |
| 459 | |
| 460 | if ( ! $user ) { |
| 461 | $user = get_user_by( 'ID', $user_id ); |
| 462 | } |
| 463 | |
| 464 | return $user; |
| 465 | } |
| 466 | |
| 467 | private function tracks_record_error( $name, $error, $user = null ) { |
| 468 | if ( is_wp_error( $error ) ) { |
| 469 | $this->tracking->record_user_event( $name, array( |
| 470 | 'error_code' => $error->get_error_code(), |
| 471 | 'error_message' => $error->get_error_message() |
| 472 | ), $user ); |
| 473 | } elseif( is_a( $error, 'IXR_Error' ) ) { |
| 474 | $this->tracking->record_user_event( $name, array( |
| 475 | 'error_code' => $error->code, |
| 476 | 'error_message' => $error->message |
| 477 | ), $user ); |
| 478 | } |
| 479 | |
| 480 | return $error; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * @return WP_Error|string secret_2 on success, WP_Error( error_code => error_code, error_message => error description, error_data => status code ) on failure |
| 485 | * |
| 486 | * Possible error_codes: |
| 487 | * |
| 488 | * verify_secret_1_missing |
| 489 | * verify_secret_1_malformed |
| 490 | * verify_secrets_missing: verification secrets are not found in database |
| 491 | * verify_secrets_incomplete: verification secrets are only partially found in database |
| 492 | * verify_secrets_expired: verification secrets have expired |
| 493 | * verify_secrets_mismatch: stored secret_1 does not match secret_1 sent by Jetpack.WordPress.com |
| 494 | * state_missing: required parameter of state not found |
| 495 | * state_malformed: state is not a digit |
| 496 | * invalid_state: state in request does not match the stored state |
| 497 | * |
| 498 | * The 'authorize' and 'register' actions have additional error codes |
| 499 | * |
| 500 | * Possible values for action are `authorize`, `publicize` and `register`. |
| 501 | * |
| 502 | * state_missing: a state ( user id ) was not supplied |
| 503 | * state_malformed: state is not the correct data type |
| 504 | * invalid_state: supplied state does not match the stored state |
| 505 | */ |
| 506 | function verify_action( $params ) { |
| 507 | $action = $params[0]; |
| 508 | $verify_secret = $params[1]; |
| 509 | $state = isset( $params[2] ) ? $params[2] : ''; |
| 510 | $user = get_user_by( 'id', $state ); |
| 511 | $tracks_failure_event_name = ''; |
| 512 | |
| 513 | if ( 'authorize' === $action ) { |
| 514 | $tracks_failure_event_name = 'jpc_verify_authorize_fail'; |
| 515 | $this->tracking->record_user_event( 'jpc_verify_authorize_begin', array(), $user ); |
| 516 | } |
| 517 | if ( 'publicize' === $action ) { |
| 518 | // This action is used on a response from a direct XML-RPC done from WordPress.com |
| 519 | $tracks_failure_event_name = 'jpc_verify_publicize_fail'; |
| 520 | $this->tracking->record_user_event( 'jpc_verify_publicize_begin', array(), $user ); |
| 521 | } |
| 522 | if ( 'register' === $action ) { |
| 523 | $tracks_failure_event_name = 'jpc_verify_register_fail'; |
| 524 | $this->tracking->record_user_event( 'jpc_verify_register_begin', array(), $user ); |
| 525 | } |
| 526 | |
| 527 | if ( empty( $verify_secret ) ) { |
| 528 | return $this->error( new Jetpack_Error( 'verify_secret_1_missing', sprintf( 'The required "%s" parameter is missing.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user ); |
| 529 | } else if ( ! is_string( $verify_secret ) ) { |
| 530 | return $this->error( new Jetpack_Error( 'verify_secret_1_malformed', sprintf( 'The required "%s" parameter is malformed.', 'secret_1' ), 400 ), $tracks_failure_event_name, $user ); |
| 531 | } else if ( empty( $state ) ) { |
| 532 | return $this->error( new Jetpack_Error( 'state_missing', sprintf( 'The required "%s" parameter is missing.', 'state' ), 400 ), $tracks_failure_event_name, $user ); |
| 533 | } else if ( ! ctype_digit( $state ) ) { |
| 534 | return $this->error( new Jetpack_Error( 'state_malformed', sprintf( 'The required "%s" parameter is malformed.', 'state' ), 400 ), $tracks_failure_event_name, $user ); |
| 535 | } |
| 536 | |
| 537 | $secrets = Jetpack::get_secrets( $action, $state ); |
| 538 | |
| 539 | if ( ! $secrets ) { |
| 540 | Jetpack::delete_secrets( $action, $state ); |
| 541 | return $this->error( new Jetpack_Error( 'verify_secrets_missing', 'Verification secrets not found', 400 ), $tracks_failure_event_name, $user ); |
| 542 | } |
| 543 | |
| 544 | if ( is_wp_error( $secrets ) ) { |
| 545 | Jetpack::delete_secrets( $action, $state ); |
| 546 | return $this->error( new Jetpack_Error( $secrets->get_error_code(), $secrets->get_error_message(), 400 ), $tracks_failure_event_name, $user ); |
| 547 | } |
| 548 | |
| 549 | if ( empty( $secrets['secret_1'] ) || empty( $secrets['secret_2'] ) || empty( $secrets['exp'] ) ) { |
| 550 | Jetpack::delete_secrets( $action, $state ); |
| 551 | return $this->error( new Jetpack_Error( 'verify_secrets_incomplete', 'Verification secrets are incomplete', 400 ), $tracks_failure_event_name, $user ); |
| 552 | } |
| 553 | |
| 554 | if ( ! hash_equals( $verify_secret, $secrets['secret_1'] ) ) { |
| 555 | Jetpack::delete_secrets( $action, $state ); |
| 556 | return $this->error( new Jetpack_Error( 'verify_secrets_mismatch', 'Secret mismatch', 400 ), $tracks_failure_event_name, $user ); |
| 557 | } |
| 558 | |
| 559 | Jetpack::delete_secrets( $action, $state ); |
| 560 | |
| 561 | if ( 'authorize' === $action ) { |
| 562 | $this->tracking->record_user_event( 'jpc_verify_authorize_success', array(), $user ); |
| 563 | } |
| 564 | if ( 'publicize' === $action ) { |
| 565 | $this->tracking->record_user_event( 'jpc_verify_publicize_success', array(), $user ); |
| 566 | } |
| 567 | if ( 'register' === $action ) { |
| 568 | $this->tracking->record_user_event( 'jpc_verify_register_success', array(), $user ); |
| 569 | } |
| 570 | |
| 571 | return $secrets['secret_2']; |
| 572 | } |
| 573 | |
| 574 | /** |
| 575 | * Wrapper for wp_authenticate( $username, $password ); |
| 576 | * |
| 577 | * @return WP_User|bool |
| 578 | */ |
| 579 | function login() { |
| 580 | Jetpack::init()->require_jetpack_authentication(); |
| 581 | $user = wp_authenticate( 'username', 'password' ); |
| 582 | if ( is_wp_error( $user ) ) { |
| 583 | if ( 'authentication_failed' == $user->get_error_code() ) { // Generic error could mean most anything. |
| 584 | $this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 ); |
| 585 | } else { |
| 586 | $this->error = $user; |
| 587 | } |
| 588 | return false; |
| 589 | } else if ( !$user ) { // Shouldn't happen. |
| 590 | $this->error = new Jetpack_Error( 'invalid_request', 'Invalid Request', 403 ); |
| 591 | return false; |
| 592 | } |
| 593 | |
| 594 | return $user; |
| 595 | } |
| 596 | |
| 597 | /** |
| 598 | * Returns the current error as an IXR_Error |
| 599 | * |
| 600 | * @return bool|IXR_Error |
| 601 | */ |
| 602 | function error( $error = null, $tracks_event_name = null, $user = null ) { |
| 603 | // record using Tracks |
| 604 | if ( null !== $tracks_event_name ) { |
| 605 | $this->tracks_record_error( $tracks_event_name, $error, $user ); |
| 606 | } |
| 607 | |
| 608 | if ( !is_null( $error ) ) { |
| 609 | $this->error = $error; |
| 610 | } |
| 611 | |
| 612 | if ( is_wp_error( $this->error ) ) { |
| 613 | $code = $this->error->get_error_data(); |
| 614 | if ( !$code ) { |
| 615 | $code = -10520; |
| 616 | } |
| 617 | $message = sprintf( 'Jetpack: [%s] %s', $this->error->get_error_code(), $this->error->get_error_message() ); |
| 618 | return new IXR_Error( $code, $message ); |
| 619 | } else if ( is_a( $this->error, 'IXR_Error' ) ) { |
| 620 | return $this->error; |
| 621 | } |
| 622 | |
| 623 | return false; |
| 624 | } |
| 625 | |
| 626 | /* API Methods */ |
| 627 | |
| 628 | /** |
| 629 | * Just authenticates with the given Jetpack credentials. |
| 630 | * |
| 631 | * @return string The current Jetpack version number |
| 632 | */ |
| 633 | function test_connection() { |
| 634 | return JETPACK__VERSION; |
| 635 | } |
| 636 | |
| 637 | function test_api_user_code( $args ) { |
| 638 | $client_id = (int) $args[0]; |
| 639 | $user_id = (int) $args[1]; |
| 640 | $nonce = (string) $args[2]; |
| 641 | $verify = (string) $args[3]; |
| 642 | |
| 643 | if ( !$client_id || !$user_id || !strlen( $nonce ) || 32 !== strlen( $verify ) ) { |
| 644 | return false; |
| 645 | } |
| 646 | |
| 647 | $user = get_user_by( 'id', $user_id ); |
| 648 | if ( !$user || is_wp_error( $user ) ) { |
| 649 | return false; |
| 650 | } |
| 651 | |
| 652 | /* debugging |
| 653 | error_log( "CLIENT: $client_id" ); |
| 654 | error_log( "USER: $user_id" ); |
| 655 | error_log( "NONCE: $nonce" ); |
| 656 | error_log( "VERIFY: $verify" ); |
| 657 | */ |
| 658 | |
| 659 | $jetpack_token = Jetpack_Data::get_access_token( $user_id ); |
| 660 | |
| 661 | $api_user_code = get_user_meta( $user_id, "jetpack_json_api_$client_id", true ); |
| 662 | if ( !$api_user_code ) { |
| 663 | return false; |
| 664 | } |
| 665 | |
| 666 | $hmac = hash_hmac( 'md5', json_encode( (object) array( |
| 667 | 'client_id' => (int) $client_id, |
| 668 | 'user_id' => (int) $user_id, |
| 669 | 'nonce' => (string) $nonce, |
| 670 | 'code' => (string) $api_user_code, |
| 671 | ) ), $jetpack_token->secret ); |
| 672 | |
| 673 | if ( ! hash_equals( $hmac, $verify ) ) { |
| 674 | return false; |
| 675 | } |
| 676 | |
| 677 | return $user_id; |
| 678 | } |
| 679 | |
| 680 | /** |
| 681 | * Disconnect this blog from the connected wordpress.com account |
| 682 | * @return boolean |
| 683 | */ |
| 684 | function disconnect_blog() { |
| 685 | |
| 686 | // For tracking |
| 687 | if ( ! empty( $this->user->ID ) ) { |
| 688 | wp_set_current_user( $this->user->ID ); |
| 689 | } |
| 690 | |
| 691 | Jetpack::log( 'disconnect' ); |
| 692 | Jetpack::disconnect(); |
| 693 | |
| 694 | return true; |
| 695 | } |
| 696 | |
| 697 | /** |
| 698 | * Unlink a user from WordPress.com |
| 699 | * |
| 700 | * This will fail if called by the Master User. |
| 701 | */ |
| 702 | function unlink_user() { |
| 703 | Jetpack::log( 'unlink' ); |
| 704 | return Jetpack::unlink_user(); |
| 705 | } |
| 706 | |
| 707 | /** |
| 708 | * Returns any object that is able to be synced |
| 709 | */ |
| 710 | function sync_object( $args ) { |
| 711 | // e.g. posts, post, 5 |
| 712 | list( $module_name, $object_type, $id ) = $args; |
| 713 | |
| 714 | $sync_module = Modules::get_module( $module_name ); |
| 715 | $codec = Sender::get_instance()->get_codec(); |
| 716 | |
| 717 | return $codec->encode( $sync_module->get_object_by_id( $object_type, $id ) ); |
| 718 | } |
| 719 | |
| 720 | /** |
| 721 | * Returns the home URL and site URL for the current site which can be used on the WPCOM side for |
| 722 | * IDC mitigation to decide whether sync should be allowed if the home and siteurl values differ between WPCOM |
| 723 | * and the remote Jetpack site. |
| 724 | * |
| 725 | * @return array |
| 726 | */ |
| 727 | function validate_urls_for_idc_mitigation() { |
| 728 | return array( |
| 729 | 'home' => Functions::home_url(), |
| 730 | 'siteurl' => Functions::site_url(), |
| 731 | ); |
| 732 | } |
| 733 | |
| 734 | /** |
| 735 | * Returns what features are available. Uses the slug of the module files. |
| 736 | * |
| 737 | * @return array |
| 738 | */ |
| 739 | function features_available() { |
| 740 | $raw_modules = Jetpack::get_available_modules(); |
| 741 | $modules = array(); |
| 742 | foreach ( $raw_modules as $module ) { |
| 743 | $modules[] = Jetpack::get_module_slug( $module ); |
| 744 | } |
| 745 | |
| 746 | return $modules; |
| 747 | } |
| 748 | |
| 749 | /** |
| 750 | * Returns what features are enabled. Uses the slug of the modules files. |
| 751 | * |
| 752 | * @return array |
| 753 | */ |
| 754 | function features_enabled() { |
| 755 | $raw_modules = Jetpack::get_active_modules(); |
| 756 | $modules = array(); |
| 757 | foreach ( $raw_modules as $module ) { |
| 758 | $modules[] = Jetpack::get_module_slug( $module ); |
| 759 | } |
| 760 | |
| 761 | return $modules; |
| 762 | } |
| 763 | |
| 764 | function update_attachment_parent( $args ) { |
| 765 | $attachment_id = (int) $args[0]; |
| 766 | $parent_id = (int) $args[1]; |
| 767 | |
| 768 | return wp_update_post( array( |
| 769 | 'ID' => $attachment_id, |
| 770 | 'post_parent' => $parent_id, |
| 771 | ) ); |
| 772 | } |
| 773 | |
| 774 | function json_api( $args = array() ) { |
| 775 | $json_api_args = $args[0]; |
| 776 | $verify_api_user_args = $args[1]; |
| 777 | |
| 778 | $method = (string) $json_api_args[0]; |
| 779 | $url = (string) $json_api_args[1]; |
| 780 | $post_body = is_null( $json_api_args[2] ) ? null : (string) $json_api_args[2]; |
| 781 | $user_details = (array) $json_api_args[4]; |
| 782 | $locale = (string) $json_api_args[5]; |
| 783 | |
| 784 | if ( !$verify_api_user_args ) { |
| 785 | $user_id = 0; |
| 786 | } elseif ( 'internal' === $verify_api_user_args[0] ) { |
| 787 | $user_id = (int) $verify_api_user_args[1]; |
| 788 | if ( $user_id ) { |
| 789 | $user = get_user_by( 'id', $user_id ); |
| 790 | if ( !$user || is_wp_error( $user ) ) { |
| 791 | return false; |
| 792 | } |
| 793 | } |
| 794 | } else { |
| 795 | $user_id = call_user_func( array( $this, 'test_api_user_code' ), $verify_api_user_args ); |
| 796 | if ( !$user_id ) { |
| 797 | return false; |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | /* debugging |
| 802 | error_log( "-- begin json api via jetpack debugging -- " ); |
| 803 | error_log( "METHOD: $method" ); |
| 804 | error_log( "URL: $url" ); |
| 805 | error_log( "POST BODY: $post_body" ); |
| 806 | error_log( "VERIFY_ARGS: " . print_r( $verify_api_user_args, 1 ) ); |
| 807 | error_log( "VERIFIED USER_ID: " . (int) $user_id ); |
| 808 | error_log( "-- end json api via jetpack debugging -- " ); |
| 809 | */ |
| 810 | |
| 811 | if ( 'en' !== $locale ) { |
| 812 | // .org mo files are named slightly different from .com, and all we have is this the locale -- try to guess them. |
| 813 | $new_locale = $locale; |
| 814 | if ( strpos( $locale, '-' ) !== false ) { |
| 815 | $locale_pieces = explode( '-', $locale ); |
| 816 | $new_locale = $locale_pieces[0]; |
| 817 | $new_locale .= ( ! empty( $locale_pieces[1] ) ) ? '_' . strtoupper( $locale_pieces[1] ) : ''; |
| 818 | } else { |
| 819 | // .com might pass 'fr' because thats what our language files are named as, where core seems |
| 820 | // to do fr_FR - so try that if we don't think we can load the file. |
| 821 | if ( ! file_exists( WP_LANG_DIR . '/' . $locale . '.mo' ) ) { |
| 822 | $new_locale = $locale . '_' . strtoupper( $locale ); |
| 823 | } |
| 824 | } |
| 825 | |
| 826 | if ( file_exists( WP_LANG_DIR . '/' . $new_locale . '.mo' ) ) { |
| 827 | unload_textdomain( 'default' ); |
| 828 | load_textdomain( 'default', WP_LANG_DIR . '/' . $new_locale . '.mo' ); |
| 829 | } |
| 830 | } |
| 831 | |
| 832 | $old_user = wp_get_current_user(); |
| 833 | wp_set_current_user( $user_id ); |
| 834 | |
| 835 | if ( $user_id ) { |
| 836 | $token_key = false; |
| 837 | } else { |
| 838 | $jetpack = Jetpack::init(); |
| 839 | $verified = $jetpack->verify_xml_rpc_signature(); |
| 840 | $token_key = $verified['token_key']; |
| 841 | } |
| 842 | |
| 843 | $token = Jetpack_Data::get_access_token( $user_id, $token_key ); |
| 844 | if ( !$token || is_wp_error( $token ) ) { |
| 845 | return false; |
| 846 | } |
| 847 | |
| 848 | define( 'REST_API_REQUEST', true ); |
| 849 | define( 'WPCOM_JSON_API__BASE', 'public-api.wordpress.com/rest/v1' ); |
| 850 | |
| 851 | // needed? |
| 852 | require_once ABSPATH . 'wp-admin/includes/admin.php'; |
| 853 | |
| 854 | require_once JETPACK__PLUGIN_DIR . 'class.json-api.php'; |
| 855 | $api = WPCOM_JSON_API::init( $method, $url, $post_body ); |
| 856 | $api->token_details['user'] = $user_details; |
| 857 | require_once JETPACK__PLUGIN_DIR . 'class.json-api-endpoints.php'; |
| 858 | |
| 859 | $display_errors = ini_set( 'display_errors', 0 ); |
| 860 | ob_start(); |
| 861 | $content_type = $api->serve( false ); |
| 862 | $output = ob_get_clean(); |
| 863 | ini_set( 'display_errors', $display_errors ); |
| 864 | |
| 865 | $nonce = wp_generate_password( 10, false ); |
| 866 | $hmac = hash_hmac( 'md5', $nonce . $output, $token->secret ); |
| 867 | |
| 868 | wp_set_current_user( isset( $old_user->ID ) ? $old_user->ID : 0 ); |
| 869 | |
| 870 | return array( |
| 871 | (string) $output, |
| 872 | (string) $nonce, |
| 873 | (string) $hmac, |
| 874 | ); |
| 875 | } |
| 876 | |
| 877 | /** |
| 878 | * Handles authorization actions after connecting a site, such as enabling modules. |
| 879 | * |
| 880 | * This do_post_authorization() is used in this class, as opposed to calling |
| 881 | * Jetpack::handle_post_authorization_actions() directly so that we can mock this method as necessary. |
| 882 | * |
| 883 | * @return void |
| 884 | */ |
| 885 | public function do_post_authorization() { |
| 886 | /** This filter is documented in class.jetpack-cli.php */ |
| 887 | $enable_sso = apply_filters( 'jetpack_start_enable_sso', true ); |
| 888 | Jetpack::handle_post_authorization_actions( $enable_sso, false, false ); |
| 889 | } |
| 890 | } |
| 891 |