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| 1 | <?php |
| 2 | /** |
| 3 | * The Scan REST Controller. |
| 4 | * |
| 5 | * Registers the `/jetpack/v4/site/scan/*` routes backing the admin UI. |
| 6 | * Read routes proxy to the corresponding WPCOM v2 endpoint, mutation |
| 7 | * routes proxy to the user-scoped `wpcom/v2 /sites/:siteId/alerts/*` |
| 8 | * surface that the Calypso Scan dashboard already uses. |
| 9 | * |
| 10 | * @package automattic/jetpack-scan-page |
| 11 | */ |
| 12 | |
| 13 | namespace Automattic\Jetpack\Scan_Page; |
| 14 | |
| 15 | use Automattic\Jetpack\Connection\Client; |
| 16 | use Automattic\Jetpack\Status\Visitor; |
| 17 | use Jetpack_Options; |
| 18 | use WP_Error; |
| 19 | use WP_REST_Request; |
| 20 | use WP_REST_Server; |
| 21 | use function add_query_arg; |
| 22 | use function current_user_can; |
| 23 | use function esc_html__; |
| 24 | use function is_wp_error; |
| 25 | use function json_decode; |
| 26 | use function register_rest_route; |
| 27 | use function rest_ensure_response; |
| 28 | use function wp_json_encode; |
| 29 | use function wp_remote_retrieve_body; |
| 30 | use function wp_remote_retrieve_response_code; |
| 31 | |
| 32 | /** |
| 33 | * REST routes for the Scan UI. |
| 34 | */ |
| 35 | class REST_Controller { |
| 36 | |
| 37 | /** |
| 38 | * REST namespace used by this package. |
| 39 | * |
| 40 | * @var string |
| 41 | */ |
| 42 | const REST_NAMESPACE = 'jetpack/v4'; |
| 43 | |
| 44 | /** |
| 45 | * REST route prefix used by this package. |
| 46 | * |
| 47 | * @var string |
| 48 | */ |
| 49 | const REST_ROUTE_PREFIX = 'site/scan'; |
| 50 | |
| 51 | /** |
| 52 | * Register the REST routes backing the Scan UI. |
| 53 | * |
| 54 | * Read paths land in Phase 1 (this controller). Mutation paths |
| 55 | * (threat-id `ignore` / `unignore`, bulk `threats/fix`, |
| 56 | * `threats/fix-status`) land in Phase 3. The scan-enqueue mutation |
| 57 | * lands in Phase 5. |
| 58 | */ |
| 59 | public static function register_rest_routes() { |
| 60 | register_rest_route( |
| 61 | self::REST_NAMESPACE, |
| 62 | '/' . self::REST_ROUTE_PREFIX, |
| 63 | array( |
| 64 | 'methods' => WP_REST_Server::READABLE, |
| 65 | 'callback' => array( __CLASS__, 'get_site_scan' ), |
| 66 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 67 | ) |
| 68 | ); |
| 69 | |
| 70 | register_rest_route( |
| 71 | self::REST_NAMESPACE, |
| 72 | '/' . self::REST_ROUTE_PREFIX . '/history', |
| 73 | array( |
| 74 | 'methods' => WP_REST_Server::READABLE, |
| 75 | 'callback' => array( __CLASS__, 'get_site_scan_history' ), |
| 76 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 77 | ) |
| 78 | ); |
| 79 | |
| 80 | register_rest_route( |
| 81 | self::REST_NAMESPACE, |
| 82 | '/' . self::REST_ROUTE_PREFIX . '/counts', |
| 83 | array( |
| 84 | 'methods' => WP_REST_Server::READABLE, |
| 85 | 'callback' => array( __CLASS__, 'get_site_scan_counts' ), |
| 86 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 87 | ) |
| 88 | ); |
| 89 | |
| 90 | register_rest_route( |
| 91 | self::REST_NAMESPACE, |
| 92 | '/' . self::REST_ROUTE_PREFIX . '/threat/(?P<id>[\w\-]+)/ignore', |
| 93 | array( |
| 94 | 'methods' => WP_REST_Server::CREATABLE, |
| 95 | 'callback' => array( __CLASS__, 'post_threat_ignore' ), |
| 96 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 97 | 'args' => array( |
| 98 | 'id' => array( |
| 99 | 'type' => 'string', |
| 100 | 'required' => true, |
| 101 | 'sanitize_callback' => 'sanitize_text_field', |
| 102 | ), |
| 103 | ), |
| 104 | ) |
| 105 | ); |
| 106 | |
| 107 | register_rest_route( |
| 108 | self::REST_NAMESPACE, |
| 109 | '/' . self::REST_ROUTE_PREFIX . '/threat/(?P<id>[\w\-]+)/unignore', |
| 110 | array( |
| 111 | 'methods' => WP_REST_Server::CREATABLE, |
| 112 | 'callback' => array( __CLASS__, 'post_threat_unignore' ), |
| 113 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 114 | 'args' => array( |
| 115 | 'id' => array( |
| 116 | 'type' => 'string', |
| 117 | 'required' => true, |
| 118 | 'sanitize_callback' => 'sanitize_text_field', |
| 119 | ), |
| 120 | ), |
| 121 | ) |
| 122 | ); |
| 123 | |
| 124 | register_rest_route( |
| 125 | self::REST_NAMESPACE, |
| 126 | '/' . self::REST_ROUTE_PREFIX . '/threats/fix', |
| 127 | array( |
| 128 | 'methods' => WP_REST_Server::CREATABLE, |
| 129 | 'callback' => array( __CLASS__, 'post_threats_fix' ), |
| 130 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 131 | 'args' => array( |
| 132 | 'threat_ids' => array( |
| 133 | 'type' => 'array', |
| 134 | 'required' => true, |
| 135 | 'items' => array( |
| 136 | 'type' => 'string', |
| 137 | ), |
| 138 | ), |
| 139 | ), |
| 140 | ) |
| 141 | ); |
| 142 | |
| 143 | register_rest_route( |
| 144 | self::REST_NAMESPACE, |
| 145 | '/' . self::REST_ROUTE_PREFIX . '/enqueue', |
| 146 | array( |
| 147 | 'methods' => WP_REST_Server::CREATABLE, |
| 148 | 'callback' => array( __CLASS__, 'post_scan_enqueue' ), |
| 149 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 150 | ) |
| 151 | ); |
| 152 | |
| 153 | register_rest_route( |
| 154 | self::REST_NAMESPACE, |
| 155 | '/' . self::REST_ROUTE_PREFIX . '/threats/fix-status', |
| 156 | array( |
| 157 | 'methods' => WP_REST_Server::READABLE, |
| 158 | 'callback' => array( __CLASS__, 'get_threats_fix_status' ), |
| 159 | 'permission_callback' => array( __CLASS__, 'permissions_check' ), |
| 160 | 'args' => array( |
| 161 | 'threat_ids' => array( |
| 162 | 'type' => 'array', |
| 163 | 'required' => true, |
| 164 | 'items' => array( |
| 165 | 'type' => 'string', |
| 166 | ), |
| 167 | ), |
| 168 | ), |
| 169 | ) |
| 170 | ); |
| 171 | } |
| 172 | |
| 173 | /** |
| 174 | * Permission callback: admin-only. Mirrors the gate in |
| 175 | * `Jetpack_Scan::is_available()`. |
| 176 | * |
| 177 | * @return bool|WP_Error |
| 178 | */ |
| 179 | public static function permissions_check() { |
| 180 | if ( ! current_user_can( 'manage_options' ) ) { |
| 181 | return new WP_Error( |
| 182 | 'rest_forbidden', |
| 183 | esc_html__( 'You do not have permission to access this resource.', 'jetpack-scan-page' ), |
| 184 | array( 'status' => 401 ) |
| 185 | ); |
| 186 | } |
| 187 | |
| 188 | return true; |
| 189 | } |
| 190 | |
| 191 | /** |
| 192 | * GET /site/scan — current scan state + active threats. |
| 193 | * |
| 194 | * Proxies WPCOM `/sites/:siteId/scan` with blog auth (matches Protect |
| 195 | * plugin's `Threats::fetch_status()`). |
| 196 | * |
| 197 | * @return \WP_REST_Response|WP_Error |
| 198 | */ |
| 199 | public static function get_site_scan() { |
| 200 | return self::proxy_get( '/scan', 'scan', true ); |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * GET /site/scan/history — past scan runs and their threats. |
| 205 | * |
| 206 | * Proxies WPCOM `/sites/:siteId/scan/history` with blog auth (matches |
| 207 | * Protect plugin's `Threats::history()`). |
| 208 | * |
| 209 | * @return \WP_REST_Response|WP_Error |
| 210 | */ |
| 211 | public static function get_site_scan_history() { |
| 212 | return self::proxy_get( '/scan/history', 'scan_history', true ); |
| 213 | } |
| 214 | |
| 215 | /** |
| 216 | * GET /site/scan/counts — threat counts for the overview tabs. |
| 217 | * |
| 218 | * Proxies WPCOM `/sites/:siteId/scan/counts` with blog auth. |
| 219 | * |
| 220 | * @return \WP_REST_Response|WP_Error |
| 221 | */ |
| 222 | public static function get_site_scan_counts() { |
| 223 | return self::proxy_get( '/scan/counts', 'scan_counts', true ); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * POST /site/scan/threat/{id}/ignore — mark a threat as ignored. |
| 228 | * |
| 229 | * Proxies WPCOM `POST /sites/:siteId/alerts/:threatId` with |
| 230 | * `{ ignore: true }`. Same shape Protect plugin's |
| 231 | * `Threats::ignore_threat()` already uses. |
| 232 | * |
| 233 | * @param WP_REST_Request $request The REST request. |
| 234 | * @return \WP_REST_Response|WP_Error |
| 235 | */ |
| 236 | public static function post_threat_ignore( WP_REST_Request $request ) { |
| 237 | $threat_id = (string) $request->get_param( 'id' ); |
| 238 | return self::proxy_post( |
| 239 | sprintf( '/alerts/%s', rawurlencode( $threat_id ) ), |
| 240 | array( 'ignore' => true ), |
| 241 | 'scan_threat_ignore' |
| 242 | ); |
| 243 | } |
| 244 | |
| 245 | /** |
| 246 | * POST /site/scan/threat/{id}/unignore — reactivate a previously-ignored |
| 247 | * threat. |
| 248 | * |
| 249 | * Proxies WPCOM `POST /sites/:siteId/alerts/:threatId` with |
| 250 | * `{ unignore: true }`. |
| 251 | * |
| 252 | * @param WP_REST_Request $request The REST request. |
| 253 | * @return \WP_REST_Response|WP_Error |
| 254 | */ |
| 255 | public static function post_threat_unignore( WP_REST_Request $request ) { |
| 256 | $threat_id = (string) $request->get_param( 'id' ); |
| 257 | return self::proxy_post( |
| 258 | sprintf( '/alerts/%s', rawurlencode( $threat_id ) ), |
| 259 | array( 'unignore' => true ), |
| 260 | 'scan_threat_unignore' |
| 261 | ); |
| 262 | } |
| 263 | |
| 264 | /** |
| 265 | * POST /site/scan/threats/fix — kick auto-fix for one or more threats. |
| 266 | * |
| 267 | * Proxies WPCOM `POST /sites/:siteId/alerts/fix` with |
| 268 | * `{ threat_ids: [...] }`. Same endpoint handles single + bulk fix. |
| 269 | * |
| 270 | * @param WP_REST_Request $request The REST request. |
| 271 | * @return \WP_REST_Response|WP_Error |
| 272 | */ |
| 273 | public static function post_threats_fix( WP_REST_Request $request ) { |
| 274 | $ids = (array) $request->get_param( 'threat_ids' ); |
| 275 | $ids = array_values( array_filter( array_map( 'strval', $ids ) ) ); |
| 276 | return self::proxy_post( |
| 277 | '/alerts/fix', |
| 278 | array( 'threat_ids' => $ids ), |
| 279 | 'scan_threats_fix' |
| 280 | ); |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * POST /site/scan/enqueue — trigger an immediate scan run. |
| 285 | * |
| 286 | * Proxies WPCOM `POST /sites/:siteId/scan/enqueue` with blog auth |
| 287 | * (matches Protect plugin's `Threats::scan()`). |
| 288 | * |
| 289 | * @return \WP_REST_Response|WP_Error |
| 290 | */ |
| 291 | public static function post_scan_enqueue() { |
| 292 | return self::proxy_post( '/scan/enqueue', array(), 'scan_enqueue', true ); |
| 293 | } |
| 294 | |
| 295 | /** |
| 296 | * GET /site/scan/threats/fix-status — poll the auto-fixer for the |
| 297 | * current state of one or more threats. |
| 298 | * |
| 299 | * Proxies WPCOM `GET /sites/:siteId/alerts/fix?threat_ids[]=…`. Body |
| 300 | * shape mirrors `post_threats_fix` so the UI hook can poll until each |
| 301 | * threat reaches a terminal state. |
| 302 | * |
| 303 | * @param WP_REST_Request $request The REST request. |
| 304 | * @return \WP_REST_Response|WP_Error |
| 305 | */ |
| 306 | public static function get_threats_fix_status( WP_REST_Request $request ) { |
| 307 | $ids = (array) $request->get_param( 'threat_ids' ); |
| 308 | $ids = array_values( array_filter( array_map( 'strval', $ids ) ) ); |
| 309 | |
| 310 | $path = add_query_arg( array( 'threat_ids' => $ids ), '/alerts/fix' ); |
| 311 | return self::proxy_get( $path, 'scan_threats_fix_status' ); |
| 312 | } |
| 313 | |
| 314 | /** |
| 315 | * Proxy a GET request to the WPCOM v2 Scan endpoint and pass the JSON |
| 316 | * body through (or surface a WP_Error mapping the upstream status |
| 317 | * code). |
| 318 | * |
| 319 | * Site-level reads (`/scan`, `/scan/history`, `/scan/counts`) sign |
| 320 | * with blog auth — the same contract Protect plugin's `Threats::*` |
| 321 | * helpers use, and what WPCOM expects for these endpoints. Alert / |
| 322 | * fix-status endpoints stay on user auth so per-user permissions on |
| 323 | * threat mutations carry through. |
| 324 | * |
| 325 | * Forwarding the visitor IP keeps WPCOM-side audit logs aligned with |
| 326 | * the existing `/jetpack/v4/site/activity` proxy in `activity-log`. |
| 327 | * |
| 328 | * @param string $upstream_path WPCOM path suffix (e.g. `/scan`, `/alerts/fix`). |
| 329 | * @param string $error_slug Slug used when synthesising WP_Error codes. |
| 330 | * @param bool $as_blog Sign with blog auth instead of user auth. |
| 331 | * @return \WP_REST_Response|WP_Error |
| 332 | */ |
| 333 | private static function proxy_get( $upstream_path, $error_slug, $as_blog = false ) { |
| 334 | $path = self::resolve_blog_path( $upstream_path ); |
| 335 | if ( is_wp_error( $path ) ) { |
| 336 | return $path; |
| 337 | } |
| 338 | |
| 339 | $args = array( |
| 340 | 'method' => 'GET', |
| 341 | 'headers' => array( |
| 342 | 'X-Forwarded-For' => ( new Visitor() )->get_ip( true ), |
| 343 | ), |
| 344 | ); |
| 345 | |
| 346 | $response = $as_blog |
| 347 | ? Client::wpcom_json_api_request_as_blog( |
| 348 | $path, |
| 349 | '2', |
| 350 | $args, |
| 351 | null, |
| 352 | 'wpcom' |
| 353 | ) |
| 354 | : Client::wpcom_json_api_request_as_user( |
| 355 | $path, |
| 356 | '2', |
| 357 | $args, |
| 358 | null, |
| 359 | 'wpcom' |
| 360 | ); |
| 361 | |
| 362 | return self::map_response( $response, $error_slug ); |
| 363 | } |
| 364 | |
| 365 | /** |
| 366 | * Proxy a POST request to the user-scoped WPCOM v2 Scan endpoint |
| 367 | * with a JSON body and pass the response through (or surface a |
| 368 | * WP_Error mapping the upstream status code). |
| 369 | * |
| 370 | * @param string $upstream_path WPCOM path suffix (e.g. `/alerts/fix`). |
| 371 | * @param array $body Body payload sent as JSON. |
| 372 | * @param string $error_slug Slug used when synthesising WP_Error codes. |
| 373 | * @param bool $as_blog Sign with blog auth instead of user auth. |
| 374 | * @return \WP_REST_Response|WP_Error |
| 375 | */ |
| 376 | private static function proxy_post( $upstream_path, array $body, $error_slug, $as_blog = false ) { |
| 377 | $path = self::resolve_blog_path( $upstream_path ); |
| 378 | if ( is_wp_error( $path ) ) { |
| 379 | return $path; |
| 380 | } |
| 381 | |
| 382 | $args = array( |
| 383 | 'method' => 'POST', |
| 384 | 'headers' => array( |
| 385 | 'Content-Type' => 'application/json', |
| 386 | 'X-Forwarded-For' => ( new Visitor() )->get_ip( true ), |
| 387 | ), |
| 388 | ); |
| 389 | $encoded_body = wp_json_encode( $body, JSON_UNESCAPED_SLASHES ); |
| 390 | |
| 391 | $response = $as_blog |
| 392 | ? Client::wpcom_json_api_request_as_blog( |
| 393 | $path, |
| 394 | '2', |
| 395 | $args, |
| 396 | $encoded_body, |
| 397 | 'wpcom' |
| 398 | ) |
| 399 | : Client::wpcom_json_api_request_as_user( |
| 400 | $path, |
| 401 | '2', |
| 402 | $args, |
| 403 | $encoded_body, |
| 404 | 'wpcom' |
| 405 | ); |
| 406 | |
| 407 | return self::map_response( $response, $error_slug ); |
| 408 | } |
| 409 | |
| 410 | /** |
| 411 | * Resolve the connected blog id and prefix it onto the WPCOM path |
| 412 | * suffix. Surfaces a 400 WP_Error if the site isn't connected. |
| 413 | * |
| 414 | * @param string $upstream_path WPCOM path suffix. |
| 415 | * @return string|WP_Error |
| 416 | */ |
| 417 | private static function resolve_blog_path( $upstream_path ) { |
| 418 | $blog_id = (int) Jetpack_Options::get_option( 'id' ); |
| 419 | if ( $blog_id <= 0 ) { |
| 420 | return new WP_Error( |
| 421 | 'jetpack_scan_no_blog_id', |
| 422 | esc_html__( 'Site is not connected to WordPress.com.', 'jetpack-scan-page' ), |
| 423 | array( 'status' => 400 ) |
| 424 | ); |
| 425 | } |
| 426 | |
| 427 | return sprintf( '/sites/%d%s', $blog_id, $upstream_path ); |
| 428 | } |
| 429 | |
| 430 | /** |
| 431 | * Translate a WPCOM HTTP response into a `WP_REST_Response` / |
| 432 | * `WP_Error` for the local `/jetpack/v4/*` route to return. |
| 433 | * |
| 434 | * @param array|WP_Error $response Result of `wpcom_json_api_request_as_user`. |
| 435 | * @param string $error_slug Slug used when synthesising WP_Error codes. |
| 436 | * @return \WP_REST_Response|WP_Error |
| 437 | */ |
| 438 | private static function map_response( $response, $error_slug ) { |
| 439 | if ( is_wp_error( $response ) ) { |
| 440 | return new WP_Error( |
| 441 | 'jetpack_' . $error_slug . '_request_failed', |
| 442 | $response->get_error_message(), |
| 443 | array( 'status' => 500 ) |
| 444 | ); |
| 445 | } |
| 446 | |
| 447 | $status = (int) wp_remote_retrieve_response_code( $response ); |
| 448 | $body = json_decode( wp_remote_retrieve_body( $response ), true ); |
| 449 | |
| 450 | if ( $status < 200 || $status >= 300 ) { |
| 451 | return new WP_Error( |
| 452 | 'jetpack_' . $error_slug . '_request_failed', |
| 453 | isset( $body['message'] ) ? (string) $body['message'] : esc_html__( 'Unable to fetch Scan data.', 'jetpack-scan-page' ), |
| 454 | array( 'status' => $status > 0 ? $status : 500 ) |
| 455 | ); |
| 456 | } |
| 457 | |
| 458 | return rest_ensure_response( $body ); |
| 459 | } |
| 460 | } |