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jetpack / class.json-api-endpoints.php
class.json-api-endpoints.php
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1 <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2 /**
3 * Jetpack API endpoint base class.
4 *
5 * @package automattic/jetpack
6 */
7
8 use Automattic\Jetpack\Connection\Client;
9 use Automattic\Jetpack\Connection\Manager;
10 use Automattic\Jetpack\Connection\Rest_Authentication;
11 use Automattic\Jetpack\Connection\Tokens;
12 use Automattic\Jetpack\Status;
13 use Automattic\Jetpack\Status\Host;
14
15 require_once __DIR__ . '/json-api-config.php';
16 require_once __DIR__ . '/sal/class.json-api-links.php';
17 require_once __DIR__ . '/sal/class.json-api-metadata.php';
18 require_once __DIR__ . '/sal/class.json-api-date.php';
19
20 /**
21 * Endpoint.
22 */
23 abstract class WPCOM_JSON_API_Endpoint {
24 /**
25 * The API Object
26 *
27 * @var WPCOM_JSON_API
28 */
29 public $api;
30
31 /**
32 * The link-generating utility class
33 *
34 * @var WPCOM_JSON_API_Links
35 */
36 public $links;
37
38 /**
39 * Whether to pass wpcom user details.
40 *
41 * @var bool
42 */
43 public $pass_wpcom_user_details = false;
44
45 /**
46 * One liner.
47 *
48 * @var string
49 */
50 public $description;
51
52 /**
53 * Object Grouping For Documentation (Users, Posts, Comments)
54 *
55 * @var string
56 */
57 public $group;
58
59 /**
60 * Stats extra value to bump
61 *
62 * @var mixed
63 */
64 public $stat;
65
66 /**
67 * HTTP Method
68 *
69 * @var string
70 */
71 public $method = 'GET';
72
73 /**
74 * Minimum version of the api for which to serve this endpoint
75 *
76 * @var string
77 */
78 public $min_version = '0';
79
80 /**
81 * Maximum version of the api for which to serve this endpoint
82 *
83 * @var string
84 */
85 public $max_version = WPCOM_JSON_API__CURRENT_VERSION;
86
87 /**
88 * Forced endpoint environment when running on WPCOM
89 *
90 * @var string '', 'wpcom', 'secure', or 'jetpack'
91 */
92 public $force = '';
93
94 /**
95 * Whether the endpoint is deprecated
96 *
97 * @var bool
98 */
99 public $deprecated = false;
100
101 /**
102 * Version of the endpoint this endpoint is deprecated in favor of.
103 *
104 * @var string
105 */
106 protected $new_version = WPCOM_JSON_API__CURRENT_VERSION;
107
108 /**
109 * Whether the endpoint is only available on WordPress.com hosted blogs
110 *
111 * @var bool
112 */
113 public $jp_disabled = false;
114
115 /**
116 * Path at which to serve this endpoint: sprintf() format.
117 *
118 * @var string
119 */
120 public $path = '';
121
122 /**
123 * Identifiers to fill sprintf() formatted $path
124 *
125 * @var array
126 */
127 public $path_labels = array();
128
129 /**
130 * The REST endpoint if available.
131 *
132 * @var string
133 */
134 public $rest_route;
135
136 /**
137 * Jetpack Version in which REST support was introduced.
138 *
139 * @var string
140 */
141 public $rest_min_jp_version;
142
143 /**
144 * Accepted query parameters
145 *
146 * @var array
147 */
148 public $query = array(
149 // Parameter name.
150 'context' => array(
151 // Default value => description.
152 'display' => 'Formats the output as HTML for display. Shortcodes are parsed, paragraph tags are added, etc..',
153 // Other possible values => description.
154 'edit' => 'Formats the output for editing. Shortcodes are left unparsed, significant whitespace is kept, etc..',
155 ),
156 'http_envelope' => array(
157 'false' => '',
158 'true' => 'Some environments (like in-browser JavaScript or Flash) block or divert responses with a non-200 HTTP status code. Setting this parameter will force the HTTP status code to always be 200. The JSON response is wrapped in an "envelope" containing the "real" HTTP status code and headers.',
159 ),
160 'pretty' => array(
161 'false' => '',
162 'true' => 'Output pretty JSON',
163 ),
164 'meta' => "(string) Optional. Loads data from the endpoints found in the 'meta' part of the response. Comma-separated list. Example: meta=site,likes",
165 'fields' => '(string) Optional. Returns specified fields only. Comma-separated list. Example: fields=ID,title',
166 // Parameter name => description (default value is empty).
167 'callback' => '(string) An optional JSONP callback function.',
168 );
169
170 /**
171 * Response format
172 *
173 * @var array
174 */
175 public $response_format = array();
176
177 /**
178 * Request format
179 *
180 * @var array
181 */
182 public $request_format = array();
183
184 /**
185 * Is this endpoint still in testing phase? If so, not available to the public.
186 *
187 * @var bool
188 */
189 public $in_testing = false;
190
191 /**
192 * Is this endpoint still allowed if the site in question is flagged?
193 *
194 * @var bool
195 */
196 public $allowed_if_flagged = false;
197
198 /**
199 * Is this endpoint allowed if the site is red flagged?
200 *
201 * @var bool
202 */
203 public $allowed_if_red_flagged = false;
204
205 /**
206 * Is this endpoint allowed if the site is deleted?
207 *
208 * @var bool
209 */
210 public $allowed_if_deleted = false;
211
212 /**
213 * Version of the API
214 *
215 * @var string
216 */
217 public $version = '';
218
219 /**
220 * Example request to make
221 *
222 * @var string
223 */
224 public $example_request = '';
225
226 /**
227 * Example request data (for POST methods)
228 *
229 * @var string
230 */
231 public $example_request_data = '';
232
233 /**
234 * Example response from $example_request
235 *
236 * @var string
237 */
238 public $example_response = '';
239
240 /**
241 * OAuth2 scope required when running on WPCOM
242 *
243 * @var string
244 */
245 public $required_scope = '';
246
247 /**
248 * Set to true if the endpoint implements its own filtering instead of the standard `fields` query method
249 *
250 * @var bool
251 */
252 public $custom_fields_filtering = false;
253
254 /**
255 * Set to true if the endpoint accepts all cross origin requests. You probably should not set this flag.
256 *
257 * @var bool
258 */
259 public $allow_cross_origin_request = false;
260
261 /**
262 * Set to true if the endpoint can recieve unauthorized POST requests.
263 *
264 * @var bool
265 */
266 public $allow_unauthorized_request = false;
267
268 /**
269 * Set to true if the endpoint should accept site based (not user based) authentication.
270 *
271 * @var bool
272 */
273 public $allow_jetpack_site_auth = false;
274
275 /**
276 * Set to true if the endpoint should accept user based authentication.
277 *
278 * @var bool
279 */
280 public $allow_jetpack_token_auth = false;
281
282 /**
283 * Set to true if the endpoint should accept auth from an upload token.
284 *
285 * @var bool
286 */
287 public $allow_upload_token_auth = false;
288
289 /**
290 * Set to true if the endpoint should require auth from a Rewind auth token.
291 *
292 * @var bool
293 */
294 public $require_rewind_auth = false;
295
296 /**
297 * Whether this endpoint allows falling back to a blog token for making requests to remote Jetpack sites.
298 *
299 * @var bool
300 */
301 public $allow_fallback_to_jetpack_blog_token = false;
302
303 /**
304 * REST namespace.
305 */
306 const REST_NAMESPACE = 'jetpack/rest';
307
308 /**
309 * Post object format.
310 *
311 * @var array
312 */
313 public $post_object_format;
314
315 /**
316 * Comment object format.
317 *
318 * @var array
319 */
320 public $comment_object_format;
321
322 /**
323 * Dropdown page object format.
324 *
325 * @var array
326 */
327 public $dropdown_page_object_format;
328
329 /**
330 * Constructor.
331 *
332 * @param string|array|object $args Args.
333 */
334 public function __construct( $args ) {
335 $defaults = array(
336 'in_testing' => false,
337 'allowed_if_flagged' => false,
338 'allowed_if_red_flagged' => false,
339 'allowed_if_deleted' => false,
340 'description' => '',
341 'group' => '',
342 'stat' => '',
343 'method' => 'GET',
344 'path' => '/',
345 'min_version' => '0',
346 'max_version' => WPCOM_JSON_API__CURRENT_VERSION,
347 'force' => '',
348 'deprecated' => false,
349 'new_version' => WPCOM_JSON_API__CURRENT_VERSION,
350 'jp_disabled' => false,
351 'path_labels' => array(),
352 'rest_route' => null,
353 'rest_min_jp_version' => null,
354 'request_format' => array(),
355 'response_format' => array(),
356 'query_parameters' => array(),
357 'version' => 'v1',
358 'example_request' => '',
359 'example_request_data' => '',
360 'example_response' => '',
361 'required_scope' => '',
362 'pass_wpcom_user_details' => false,
363 'custom_fields_filtering' => false,
364 'allow_cross_origin_request' => false,
365 'allow_unauthorized_request' => false,
366 'allow_jetpack_site_auth' => false,
367 'allow_jetpack_token_auth' => false,
368 'allow_upload_token_auth' => false,
369 'allow_fallback_to_jetpack_blog_token' => false,
370 );
371
372 $args = wp_parse_args( $args, $defaults );
373
374 $this->in_testing = $args['in_testing'];
375
376 $this->allowed_if_flagged = $args['allowed_if_flagged'];
377 $this->allowed_if_red_flagged = $args['allowed_if_red_flagged'];
378 $this->allowed_if_deleted = $args['allowed_if_deleted'];
379
380 $this->description = $args['description'];
381 $this->group = $args['group'];
382 $this->stat = $args['stat'];
383 $this->force = $args['force'];
384 $this->jp_disabled = $args['jp_disabled'];
385
386 $this->method = $args['method'];
387 $this->path = $args['path'];
388 $this->path_labels = $args['path_labels'];
389 $this->min_version = $args['min_version'];
390 $this->max_version = $args['max_version'];
391 $this->deprecated = $args['deprecated'];
392 $this->new_version = $args['new_version'];
393
394 $this->rest_route = $args['rest_route'];
395 $this->rest_min_jp_version = $args['rest_min_jp_version'];
396
397 // Ensure max version is not less than min version.
398 if ( version_compare( $this->min_version, $this->max_version, '>' ) ) {
399 $this->max_version = $this->min_version;
400 }
401
402 $this->pass_wpcom_user_details = $args['pass_wpcom_user_details'];
403 $this->custom_fields_filtering = (bool) $args['custom_fields_filtering'];
404
405 $this->allow_cross_origin_request = (bool) $args['allow_cross_origin_request'];
406 $this->allow_unauthorized_request = (bool) $args['allow_unauthorized_request'];
407 $this->allow_jetpack_site_auth = (bool) $args['allow_jetpack_site_auth'];
408 $this->allow_jetpack_token_auth = (bool) $args['allow_jetpack_token_auth'];
409 $this->allow_upload_token_auth = (bool) $args['allow_upload_token_auth'];
410 $this->allow_fallback_to_jetpack_blog_token = (bool) $args['allow_fallback_to_jetpack_blog_token'];
411 $this->require_rewind_auth = isset( $args['require_rewind_auth'] ) ? (bool) $args['require_rewind_auth'] : false;
412
413 $this->version = $args['version'];
414
415 $this->required_scope = $args['required_scope'];
416
417 if ( $this->request_format ) {
418 $this->request_format = array_filter( array_merge( $this->request_format, $args['request_format'] ) );
419 } else {
420 $this->request_format = $args['request_format'];
421 }
422
423 if ( $this->response_format ) {
424 $this->response_format = array_filter( array_merge( $this->response_format, $args['response_format'] ) );
425 } else {
426 $this->response_format = $args['response_format'];
427 }
428
429 if ( false === $args['query_parameters'] ) {
430 $this->query = array();
431 } elseif ( is_array( $args['query_parameters'] ) ) {
432 $this->query = array_filter( array_merge( $this->query, $args['query_parameters'] ) );
433 }
434
435 $this->api = WPCOM_JSON_API::init(); // Auto-add to WPCOM_JSON_API.
436 $this->links = WPCOM_JSON_API_Links::getInstance();
437
438 /** Example Request/Response */
439
440 // Examples for endpoint documentation request.
441 $this->example_request = $args['example_request'];
442 $this->example_request_data = $args['example_request_data'];
443 $this->example_response = $args['example_response'];
444
445 $this->api->add( $this );
446
447 if ( ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) && $this->rest_route && ( ! defined( 'XMLRPC_REQUEST' ) || ! XMLRPC_REQUEST ) ) {
448 $this->create_rest_route_for_endpoint();
449 }
450 }
451
452 /**
453 * Get all query args. Prefill with defaults.
454 *
455 * @param bool $return_default_values Whether to include default values in the response.
456 * @param bool $cast_and_filter Whether to cast and filter input according to the documentation.
457 * @return array
458 */
459 public function query_args( $return_default_values = true, $cast_and_filter = true ) {
460 $args = array_intersect_key( $this->api->query, $this->query );
461
462 if ( ! $cast_and_filter ) {
463 return $args;
464 }
465
466 return $this->cast_and_filter( $args, $this->query, $return_default_values );
467 }
468
469 /**
470 * Get POST body data.
471 *
472 * @param bool $return_default_values Whether to include default values in the response.
473 * @param bool $cast_and_filter Whether to cast and filter input according to the documentation.
474 * @return mixed
475 */
476 public function input( $return_default_values = true, $cast_and_filter = true ) {
477 $return = null;
478 $input = trim( (string) $this->api->post_body );
479 $content_type = (string) $this->api->content_type;
480 if ( $content_type ) {
481 list ( $content_type ) = explode( ';', $content_type );
482 }
483 $content_type = trim( $content_type );
484 switch ( $content_type ) {
485 case 'application/json':
486 case 'application/x-javascript':
487 case 'text/javascript':
488 case 'text/x-javascript':
489 case 'text/x-json':
490 case 'text/json':
491 $return = json_decode( $input, true );
492
493 if ( JSON_ERROR_NONE !== json_last_error() ) {
494 return null;
495 }
496
497 break;
498 case 'multipart/form-data':
499 // phpcs:ignore WordPress.Security.NonceVerification.Missing
500 $return = array_merge( stripslashes_deep( $_POST ), $_FILES );
501 break;
502 case 'application/x-www-form-urlencoded':
503 // attempt JSON first, since probably a curl command.
504 $return = json_decode( $input, true );
505
506 if ( $return === null ) {
507 wp_parse_str( $input, $return );
508 }
509
510 break;
511 default:
512 wp_parse_str( $input, $return );
513 break;
514 }
515
516 if ( isset( $this->api->query['force'] )
517 && 'secure' === $this->api->query['force']
518 && isset( $return['secure_key'] ) ) {
519 $this->api->post_body = $this->get_secure_body( $return['secure_key'] );
520 $this->api->query['force'] = false;
521 return $this->input( $return_default_values, $cast_and_filter );
522 }
523
524 if ( $cast_and_filter ) {
525 $return = $this->cast_and_filter( $return, $this->request_format, $return_default_values );
526 }
527 return $return;
528 }
529
530 /**
531 * Fetch a body via secure request.
532 *
533 * @param string $secure_key Key for the request.
534 * @return mixed|null API response, or null if the request failed.
535 */
536 protected function get_secure_body( $secure_key ) {
537 $response = Client::wpcom_json_api_request_as_blog(
538 sprintf( '/sites/%d/secure-request', Jetpack_Options::get_option( 'id' ) ),
539 '1.1',
540 array( 'method' => 'POST' ),
541 array( 'secure_key' => $secure_key )
542 );
543 if ( 200 !== $response['response']['code'] ) {
544 return null;
545 }
546 return json_decode( $response['body'], true );
547 }
548
549 /**
550 * Cast and filter data.
551 *
552 * @param mixed $data Data to cast and filter.
553 * @param array $documentation Documentation for keys in `$data` to keep and cast.
554 * @param bool $return_default_values Set default values from `$documentation` to process.
555 * @param bool $for_output See `$this->cast_and_filter_item()`.
556 * @return mixed Filtered data.
557 */
558 public function cast_and_filter( $data, $documentation, $return_default_values = false, $for_output = false ) {
559 $return_as_object = false;
560 if ( is_object( $data ) ) {
561 // @todo this should probably be a deep copy if $data can ever have nested objects
562 $data = (array) $data;
563 $return_as_object = true;
564 } elseif ( ! is_array( $data ) ) {
565 return $data;
566 }
567
568 $boolean_arg = array( 'false', 'true' );
569 $naeloob_arg = array( 'true', 'false' );
570
571 $return = array();
572
573 foreach ( $documentation as $key => $description ) {
574 if ( is_array( $description ) ) {
575 // String or boolean array keys only.
576 $whitelist = array_keys( $description );
577
578 if ( $whitelist === $boolean_arg || $whitelist === $naeloob_arg ) {
579 // Truthiness.
580 if ( isset( $data[ $key ] ) ) {
581 $return[ $key ] = (bool) WPCOM_JSON_API::is_truthy( $data[ $key ] );
582 } elseif ( $return_default_values ) {
583 $return[ $key ] = $whitelist === $naeloob_arg; // Default to true for naeloob_arg and false for boolean_arg.
584 }
585 } elseif ( isset( $data[ $key ] ) && isset( $description[ $data[ $key ] ] ) ) {
586 // String Key.
587 $return[ $key ] = (string) $data[ $key ];
588 } elseif ( $return_default_values ) {
589 // Default value.
590 $return[ $key ] = (string) current( $whitelist );
591 }
592
593 continue;
594 }
595
596 $types = $this->parse_types( $description );
597 $type = array_shift( $types );
598
599 // Explicit default - string and int only for now. Always set these reguardless of $return_default_values.
600 if ( isset( $type['default'] ) ) {
601 if ( ! isset( $data[ $key ] ) ) {
602 $data[ $key ] = $type['default'];
603 }
604 }
605
606 if ( ! isset( $data[ $key ] ) ) {
607 continue;
608 }
609
610 $this->cast_and_filter_item( $return, $type, $key, $data[ $key ], $types, $for_output );
611 }
612
613 if ( $return_as_object ) {
614 return (object) $return;
615 }
616
617 return $return;
618 }
619
620 /**
621 * Casts $value according to $type.
622 * Handles fallbacks for certain values of $type when $value is not that $type
623 * Currently, only handles fallback between string <-> array (two way), from string -> false (one way), and from object -> false (one way),
624 * and string -> object (one way)
625 *
626 * Handles "child types" - array:URL, object:category
627 * array:URL means an array of URLs
628 * object:category means a hash of categories
629 *
630 * Handles object typing - object>post means an object of type post
631 *
632 * @param array $return Array to assign the value into.
633 * @param string|array $type Type to cast.
634 * @param string|int $key Key in `$return` to assign the value to.
635 * @param mixed $value Value to cast.
636 * @param array $types Fallback types.
637 * @param bool $for_output Appears to affect formatting of 'date' types.
638 */
639 public function cast_and_filter_item( &$return, $type, $key, $value, $types = array(), $for_output = false ) {
640 if ( is_string( $type ) ) {
641 $type = compact( 'type' );
642 }
643
644 switch ( $type['type'] ) {
645 case 'false':
646 $return[ $key ] = false;
647 break;
648 case 'url':
649 if ( is_object( $value ) && isset( $value->url ) && str_contains( $value->url, 'https://videos.files.wordpress.com/' ) ) {
650 $value = $value->url;
651 }
652 // Check for string since esc_url_raw() expects one.
653 if ( ! is_string( $value ) ) {
654 break;
655 }
656 $return[ $key ] = (string) esc_url_raw( $value );
657 break;
658 case 'string':
659 // Fallback string -> array, or for string -> object.
660 if ( is_array( $value ) || is_object( $value ) ) {
661 if ( ! empty( $types[0] ) ) {
662 $next_type = array_shift( $types );
663 return $this->cast_and_filter_item( $return, $next_type, $key, $value, $types, $for_output );
664 }
665 }
666
667 // Fallback string -> false.
668 if ( ! is_string( $value ) ) {
669 if ( ! empty( $types[0] ) && 'false' === $types[0]['type'] ) {
670 $next_type = array_shift( $types );
671 return $this->cast_and_filter_item( $return, $next_type, $key, $value, $types, $for_output );
672 }
673 if ( is_array( $value ) ) {
674 // Give up rather than setting the value to the string 'Array'.
675 break;
676 }
677 }
678 $return[ $key ] = (string) $value;
679 break;
680 case 'html':
681 $return[ $key ] = (string) $value;
682 break;
683 case 'safehtml':
684 $return[ $key ] = wp_kses( (string) $value, wp_kses_allowed_html() );
685 break;
686 case 'zip':
687 case 'media':
688 if ( is_array( $value ) ) {
689 if ( isset( $value['name'] ) && is_array( $value['name'] ) ) {
690 // It's a $_FILES array
691 // Reformat into array of $_FILES items.
692 $files = array();
693
694 foreach ( $value['name'] as $k => $v ) {
695 $files[ $k ] = array();
696 foreach ( array_keys( $value ) as $file_key ) {
697 $files[ $k ][ $file_key ] = $value[ $file_key ][ $k ];
698 }
699 }
700
701 foreach ( $files as $k => $file ) {
702 if ( ! isset( $file['tmp_name'] ) || ! is_string( $file['tmp_name'] ) || ! is_uploaded_file( $file['tmp_name'] ) ) {
703 unset( $files[ $k ] );
704 }
705 }
706 if ( $files ) {
707 $return[ $key ] = $files;
708 }
709 } elseif ( isset( $value['tmp_name'] ) && is_string( $value['tmp_name'] ) && is_uploaded_file( $value['tmp_name'] ) ) {
710 $return[ $key ] = $value;
711 }
712 }
713 break;
714 case 'array':
715 // Fallback array -> string.
716 if ( is_string( $value ) ) {
717 if ( ! empty( $types[0] ) ) {
718 $next_type = array_shift( $types );
719 return $this->cast_and_filter_item( $return, $next_type, $key, $value, $types, $for_output );
720 }
721 }
722
723 if ( isset( $type['children'] ) ) {
724 $children = array();
725 foreach ( (array) $value as $k => $child ) {
726 $this->cast_and_filter_item( $children, $type['children'], $k, $child, array(), $for_output );
727 }
728 $return[ $key ] = (array) $children;
729 break;
730 }
731
732 $return[ $key ] = (array) $value;
733 break;
734 case 'iso 8601 datetime':
735 case 'datetime':
736 // (string)s
737 $dates = $this->parse_date( (string) $value );
738 if ( $for_output ) {
739 $return[ $key ] = $this->format_date( $dates[1], $dates[0] );
740 } else {
741 list( $return[ $key ], $return[ "{$key}_gmt" ] ) = $dates;
742 }
743 break;
744 case 'float':
745 $return[ $key ] = (float) $value;
746 break;
747 case 'int':
748 case 'integer':
749 $return[ $key ] = (int) $value;
750 break;
751 case 'bool':
752 case 'boolean':
753 $return[ $key ] = (bool) WPCOM_JSON_API::is_truthy( $value );
754 break;
755 case 'object':
756 // Fallback object -> false.
757 if ( is_scalar( $value ) || $value === null ) {
758 if ( ! empty( $types[0] ) && 'false' === $types[0]['type'] ) {
759 return $this->cast_and_filter_item( $return, 'false', $key, $value, $types, $for_output );
760 }
761 }
762
763 if ( isset( $type['children'] ) ) {
764 $children = array();
765 foreach ( (array) $value as $k => $child ) {
766 $this->cast_and_filter_item( $children, $type['children'], $k, $child, array(), $for_output );
767 }
768 $return[ $key ] = (object) $children;
769 break;
770 }
771
772 if ( isset( $type['subtype'] ) ) {
773 return $this->cast_and_filter_item( $return, $type['subtype'], $key, $value, $types, $for_output );
774 }
775
776 $return[ $key ] = (object) $value;
777 break;
778 case 'post':
779 $return[ $key ] = (object) $this->cast_and_filter( $value, $this->post_object_format, false, $for_output );
780 break;
781 case 'comment':
782 $return[ $key ] = (object) $this->cast_and_filter( $value, $this->comment_object_format, false, $for_output );
783 break;
784 case 'tag':
785 case 'category':
786 $docs = array(
787 'ID' => '(int)',
788 'name' => '(string)',
789 'slug' => '(string)',
790 'description' => '(HTML)',
791 'post_count' => '(int)',
792 'feed_url' => '(string)',
793 'meta' => '(object)',
794 );
795 if ( 'category' === $type['type'] ) {
796 $docs['parent'] = '(int)';
797 }
798 $return[ $key ] = (object) $this->cast_and_filter( $value, $docs, false, $for_output );
799 break;
800 case 'post_reference':
801 case 'comment_reference':
802 $docs = array(
803 'ID' => '(int)',
804 'type' => '(string)',
805 'title' => '(string)',
806 'link' => '(URL)',
807 );
808 $return[ $key ] = (object) $this->cast_and_filter( $value, $docs, false, $for_output );
809 break;
810 case 'geo':
811 $docs = array(
812 'latitude' => '(float)',
813 'longitude' => '(float)',
814 'address' => '(string)',
815 );
816 $return[ $key ] = (object) $this->cast_and_filter( $value, $docs, false, $for_output );
817 break;
818 case 'author':
819 $docs = array(
820 'ID' => '(int)',
821 'user_login' => '(string)',
822 'login' => '(string)',
823 'email' => '(string|false)',
824 'name' => '(string)',
825 'first_name' => '(string)',
826 'last_name' => '(string)',
827 'nice_name' => '(string)',
828 'URL' => '(URL)',
829 'avatar_URL' => '(URL)',
830 'profile_URL' => '(URL)',
831 'is_super_admin' => '(bool)',
832 'roles' => '(array:string)',
833 'ip_address' => '(string|false)',
834 'wpcom_id' => '(int|null)',
835 'wpcom_login' => '(string|null)',
836 );
837 $return[ $key ] = (object) $this->cast_and_filter( $value, $docs, false, $for_output );
838 break;
839 case 'role':
840 $docs = array(
841 'name' => '(string)',
842 'display_name' => '(string)',
843 'capabilities' => '(object:boolean)',
844 );
845 $return[ $key ] = (object) $this->cast_and_filter( $value, $docs, false, $for_output );
846 break;
847 case 'attachment':
848 $docs = array(
849 'ID' => '(int)',
850 'URL' => '(URL)',
851 'guid' => '(string)',
852 'mime_type' => '(string)',
853 'width' => '(int)',
854 'height' => '(int)',
855 'duration' => '(int)',
856 );
857 $return[ $key ] = (object) $this->cast_and_filter(
858 $value,
859 /**
860 * Filter the documentation returned for a post attachment.
861 *
862 * @module json-api
863 *
864 * @since 1.9.0
865 *
866 * @param array $docs Array of documentation about a post attachment.
867 */
868 apply_filters( 'wpcom_json_api_attachment_cast_and_filter', $docs ),
869 false,
870 $for_output
871 );
872 break;
873 case 'metadata':
874 $docs = array(
875 'id' => '(int)',
876 'key' => '(string)',
877 'value' => '(string|false|float|int|array|object)',
878 'previous_value' => '(string)',
879 'operation' => '(string)',
880 );
881 $return[ $key ] = (object) $this->cast_and_filter(
882 $value,
883 /** This filter is documented in class.json-api-endpoints.php */
884 apply_filters( 'wpcom_json_api_attachment_cast_and_filter', $docs ),
885 false,
886 $for_output
887 );
888 break;
889 case 'plugin':
890 $docs = array(
891 'id' => '(safehtml) The plugin\'s ID',
892 'slug' => '(safehtml) The plugin\'s Slug',
893 'active' => '(boolean) The plugin status.',
894 'update' => '(object) The plugin update info.',
895 'name' => '(safehtml) The name of the plugin.',
896 'plugin_url' => '(url) Link to the plugin\'s web site.',
897 'version' => '(safehtml) The plugin version number.',
898 'description' => '(safehtml) Description of what the plugin does and/or notes from the author',
899 'author' => '(safehtml) The plugin author\'s name',
900 'author_url' => '(url) The plugin author web site address',
901 'network' => '(boolean) Whether the plugin can only be activated network wide.',
902 'autoupdate' => '(boolean) Whether the plugin is auto updated',
903 'log' => '(array:safehtml) An array of update log strings.',
904 'action_links' => '(array) An array of action links that the plugin uses.',
905 );
906 $return[ $key ] = (object) $this->cast_and_filter(
907 $value,
908 /**
909 * Filter the documentation returned for a plugin.
910 *
911 * @module json-api
912 *
913 * @since 3.1.0
914 *
915 * @param array $docs Array of documentation about a plugin.
916 */
917 apply_filters( 'wpcom_json_api_plugin_cast_and_filter', $docs ),
918 false,
919 $for_output
920 );
921 break;
922 case 'plugin_v1_2':
923 $docs = class_exists( 'Jetpack_JSON_API_Get_Plugins_v1_2_Endpoint' )
924 ? Jetpack_JSON_API_Get_Plugins_v1_2_Endpoint::$_response_format
925 : Jetpack_JSON_API_Plugins_Endpoint::$_response_format_v1_2;
926 $return[ $key ] = (object) $this->cast_and_filter(
927 $value,
928 /**
929 * Filter the documentation returned for a plugin.
930 *
931 * @module json-api
932 *
933 * @since 3.1.0
934 *
935 * @param array $docs Array of documentation about a plugin.
936 */
937 apply_filters( 'wpcom_json_api_plugin_cast_and_filter', $docs ),
938 false,
939 $for_output
940 );
941 break;
942 case 'file_mod_capabilities':
943 $docs = array(
944 'reasons_modify_files_unavailable' => '(array) The reasons why files can\'t be modified',
945 'reasons_autoupdate_unavailable' => '(array) The reasons why autoupdates aren\'t allowed',
946 'modify_files' => '(boolean) true if files can be modified',
947 'autoupdate_files' => '(boolean) true if autoupdates are allowed',
948 );
949 $return[ $key ] = (array) $this->cast_and_filter( $value, $docs, false, $for_output );
950 break;
951 case 'jetpackmodule':
952 $docs = array(
953 'id' => '(string) The module\'s ID',
954 'active' => '(boolean) The module\'s status.',
955 'name' => '(string) The module\'s name.',
956 'description' => '(safehtml) The module\'s description.',
957 'sort' => '(int) The module\'s display order.',
958 'introduced' => '(string) The Jetpack version when the module was introduced.',
959 'changed' => '(string) The Jetpack version when the module was changed.',
960 'free' => '(boolean) The module\'s Free or Paid status.',
961 'module_tags' => '(array) The module\'s tags.',
962 'override' => '(string) The module\'s override. Empty if no override, otherwise \'active\' or \'inactive\'',
963 );
964 $return[ $key ] = (object) $this->cast_and_filter(
965 $value,
966 /** This filter is documented in class.json-api-endpoints.php */
967 apply_filters( 'wpcom_json_api_plugin_cast_and_filter', $docs ),
968 false,
969 $for_output
970 );
971 break;
972 case 'sharing_button':
973 $docs = array(
974 'ID' => '(string)',
975 'name' => '(string)',
976 'URL' => '(string)',
977 'icon' => '(string)',
978 'enabled' => '(bool)',
979 'visibility' => '(string)',
980 );
981 $return[ $key ] = (array) $this->cast_and_filter( $value, $docs, false, $for_output );
982 break;
983 case 'sharing_button_service':
984 $docs = array(
985 'ID' => '(string) The service identifier',
986 'name' => '(string) The service name',
987 'class_name' => '(string) Class name for custom style sharing button elements',
988 'genericon' => '(string) The Genericon unicode character for the custom style sharing button icon',
989 'preview_smart' => '(string) An HTML snippet of a rendered sharing button smart preview',
990 'preview_smart_js' => '(string) An HTML snippet of the page-wide initialization scripts used for rendering the sharing button smart preview',
991 );
992 $return[ $key ] = (array) $this->cast_and_filter( $value, $docs, false, $for_output );
993 break;
994 case 'site_keyring':
995 $docs = array(
996 'keyring_id' => '(int) Keyring ID',
997 'service' => '(string) The service name',
998 'external_user_id' => '(string) External user id for the service',
999 );
1000 $return[ $key ] = (array) $this->cast_and_filter( $value, $docs, false, $for_output );
1001 break;
1002 case 'taxonomy':
1003 $docs = array(
1004 'name' => '(string) The taxonomy slug',
1005 'label' => '(string) The taxonomy human-readable name',
1006 'labels' => '(object) Mapping of labels for the taxonomy',
1007 'description' => '(string) The taxonomy description',
1008 'hierarchical' => '(bool) Whether the taxonomy is hierarchical',
1009 'public' => '(bool) Whether the taxonomy is public',
1010 'capabilities' => '(object) Mapping of current user capabilities for the taxonomy',
1011 );
1012 $return[ $key ] = (array) $this->cast_and_filter( $value, $docs, false, $for_output );
1013 break;
1014 case 'visibility':
1015 // This is needed to fix a bug in WPAndroid where `public: "PUBLIC"` is sent in place of `public: 1`.
1016 if ( 'public' === strtolower( $value ) ) {
1017 $return[ $key ] = 1;
1018 } elseif ( 'private' === strtolower( $value ) ) {
1019 $return[ $key ] = -1;
1020 } else {
1021 $return[ $key ] = (int) $value;
1022 }
1023 break;
1024 case 'dropdown_page':
1025 $return[ $key ] = (array) $this->cast_and_filter( $value, $this->dropdown_page_object_format, false, $for_output );
1026 break;
1027 default:
1028 $method_name = $type['type'] . '_docs';
1029 if ( method_exists( 'WPCOM_JSON_API_Jetpack_Overrides', $method_name ) ) {
1030 $docs = WPCOM_JSON_API_Jetpack_Overrides::$method_name();
1031 }
1032
1033 if ( ! empty( $docs ) ) {
1034 $return[ $key ] = (object) $this->cast_and_filter(
1035 $value,
1036 /** This filter is documented in class.json-api-endpoints.php */
1037 apply_filters( 'wpcom_json_api_plugin_cast_and_filter', $docs ),
1038 false,
1039 $for_output
1040 );
1041 } else {
1042 // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error, WordPress.Security.EscapeOutput.OutputNotEscaped
1043 trigger_error( "Unknown API casting type {$type['type']}", E_USER_WARNING );
1044 }
1045 }
1046 }
1047
1048 /**
1049 * Parse types from text.
1050 *
1051 * @param string $text Text.
1052 * @return array Types.
1053 */
1054 public function parse_types( $text ) {
1055 if ( ! preg_match( '#^\(([^)]+)\)#', ltrim( $text ), $matches ) ) {
1056 return 'none';
1057 }
1058
1059 $types = explode( '|', strtolower( $matches[1] ) );
1060 $return = array();
1061 foreach ( $types as $type ) {
1062 foreach ( array(
1063 ':' => 'children',
1064 '>' => 'subtype',
1065 '=' => 'default',
1066 ) as $operator => $meaning ) {
1067 if ( str_contains( $type, $operator ) ) {
1068 $item = explode( $operator, $type, 2 );
1069 $return[] = array(
1070 'type' => $item[0],
1071 $meaning => $item[1],
1072 );
1073 continue 2;
1074 }
1075 }
1076 $return[] = compact( 'type' );
1077 }
1078
1079 return $return;
1080 }
1081
1082 /**
1083 * Checks if the endpoint is publicly displayable
1084 *
1085 * @return bool
1086 */
1087 public function is_publicly_documentable() {
1088 return '__do_not_document' !== $this->group && true !== $this->in_testing;
1089 }
1090
1091 /**
1092 * Auto generates documentation based on description, method, path, path_labels, and query parameters.
1093 * Echoes HTML.
1094 *
1095 * @param bool $show_description Whether to show the description.
1096 */
1097 public function document( $show_description = true ) {
1098 global $wpdb;
1099 $original_post = isset( $GLOBALS['post'] ) ? $GLOBALS['post'] : 'unset';
1100 unset( $GLOBALS['post'] );
1101
1102 $doc = $this->generate_documentation();
1103
1104 if ( $show_description ) :
1105 ?>
1106 <caption>
1107 <h1><?php echo wp_kses_post( $doc['method'] ); ?> <?php echo wp_kses_post( $doc['path_labeled'] ); ?></h1>
1108 <p><?php echo wp_kses_post( $doc['description'] ); ?></p>
1109 </caption>
1110
1111 <?php endif; ?>
1112
1113 <?php if ( true === $this->deprecated ) { ?>
1114 <p><strong>This endpoint is deprecated in favor of version <?php echo (float) $this->new_version; ?></strong></p>
1115 <?php } ?>
1116
1117 <section class="resource-info">
1118 <h2 id="apidoc-resource-info">Resource Information</h2>
1119
1120 <table class="api-doc api-doc-resource-parameters api-doc-resource">
1121
1122 <thead>
1123 <tr>
1124 <th class="api-index-title" scope="column">&nbsp;</th>
1125 <th class="api-index-title" scope="column">&nbsp;</th>
1126 </tr>
1127 </thead>
1128 <tbody>
1129
1130 <tr class="api-index-item">
1131 <th scope="row" class="parameter api-index-item-title">Method</th>
1132 <td class="type api-index-item-title"><?php echo wp_kses_post( $doc['method'] ); ?></td>
1133 </tr>
1134
1135 <tr class="api-index-item">
1136 <th scope="row" class="parameter api-index-item-title">URL</th>
1137 <?php
1138 $version = WPCOM_JSON_API__CURRENT_VERSION;
1139 if ( ! empty( $this->max_version ) ) {
1140 $version = $this->max_version;
1141 }
1142 ?>
1143 <td class="type api-index-item-title">https://public-api.wordpress.com/rest/v<?php echo (float) $version; ?><?php echo wp_kses_post( $doc['path_labeled'] ); ?></td>
1144 </tr>
1145
1146 <tr class="api-index-item">
1147 <th scope="row" class="parameter api-index-item-title">Requires authentication?</th>
1148 <?php
1149 $requires_auth = $wpdb->get_row( $wpdb->prepare( 'SELECT requires_authentication FROM rest_api_documentation WHERE `version` = %s AND `path` = %s AND `method` = %s LIMIT 1', $version, untrailingslashit( $doc['path_labeled'] ), $doc['method'] ) );
1150 ?>
1151 <td class="type api-index-item-title"><?php echo ( ! empty( $requires_auth->requires_authentication ) ? 'Yes' : 'No' ); ?></td>
1152 </tr>
1153
1154 </tbody>
1155 </table>
1156
1157 </section>
1158
1159 <?php
1160
1161 foreach ( array(
1162 'path' => 'Method Parameters',
1163 'query' => 'Query Parameters',
1164 'body' => 'Request Parameters',
1165 'response' => 'Response Parameters',
1166 ) as $doc_section_key => $label ) :
1167 $doc_section = 'response' === $doc_section_key ? $doc['response']['body'] : $doc['request'][ $doc_section_key ];
1168 if ( ! $doc_section ) {
1169 continue;
1170 }
1171
1172 $param_label = strtolower( str_replace( ' ', '-', $label ) );
1173 ?>
1174
1175 <section class="<?php echo esc_attr( $param_label ); ?>">
1176
1177 <h2 id="apidoc-<?php echo esc_attr( $doc_section_key ); ?>"><?php echo wp_kses_post( $label ); ?></h2>
1178
1179 <table class="api-doc api-doc-<?php echo esc_attr( $param_label ); ?>-parameters api-doc-<?php echo esc_attr( strtolower( str_replace( ' ', '-', $doc['group'] ) ) ); ?>">
1180
1181 <thead>
1182 <tr>
1183 <th class="api-index-title" scope="column">Parameter</th>
1184 <th class="api-index-title" scope="column">Type</th>
1185 <th class="api-index-title" scope="column">Description</th>
1186 </tr>
1187 </thead>
1188 <tbody>
1189
1190 <?php foreach ( $doc_section as $key => $item ) : ?>
1191
1192 <tr class="api-index-item">
1193 <th scope="row" class="parameter api-index-item-title"><?php echo wp_kses_post( $key ); ?></th>
1194 <td class="type api-index-item-title"><?php echo wp_kses_post( $item['type'] ); // @todo auto-link? ?></td>
1195 <td class="description api-index-item-body">
1196 <?php
1197
1198 $this->generate_doc_description( $item['description'] );
1199
1200 ?>
1201 </td>
1202 </tr>
1203
1204 <?php endforeach; ?>
1205 </tbody>
1206 </table>
1207 </section>
1208 <?php endforeach; ?>
1209
1210 <?php
1211 if ( 'unset' !== $original_post ) {
1212 $GLOBALS['post'] = $original_post; // phpcs:ignore WordPress.WP.GlobalVariablesOverride.Prohibited
1213 }
1214 }
1215
1216 /**
1217 * `preg_replace_callback` callback to add http_build_query to php content example.
1218 *
1219 * @todo Is this used anywhere?
1220 *
1221 * @param array $matches Matches.
1222 * @return string
1223 */
1224 public function add_http_build_query_to_php_content_example( $matches ) {
1225 $trimmed_match = ltrim( $matches[0] );
1226 $pad = substr( $matches[0], 0, -1 * strlen( $trimmed_match ) );
1227 $pad = ltrim( $pad, ' ' );
1228 $return = ' ' . str_replace( "\n", "\n ", $matches[0] );
1229 return " http_build_query({$return}{$pad})";
1230 }
1231
1232 /**
1233 * Recursively generates the <dl>'s to document item descriptions.
1234 * Echoes HTML.
1235 *
1236 * @param string|array $item Post data to output, or an array of key => data mappings.
1237 */
1238 public function generate_doc_description( $item ) {
1239 if ( is_array( $item ) ) :
1240 ?>
1241
1242 <dl>
1243 <?php foreach ( $item as $description_key => $description_value ) : ?>
1244
1245 <dt><?php echo wp_kses_post( $description_key . ':' ); ?></dt>
1246 <dd><?php $this->generate_doc_description( $description_value ); ?></dd>
1247
1248 <?php endforeach; ?>
1249
1250 </dl>
1251
1252 <?php
1253 else :
1254 echo wp_kses_post( $item );
1255 endif;
1256 }
1257
1258 /**
1259 * Auto generates documentation based on description, method, path, path_labels, and query parameters.
1260 * Echoes HTML.
1261 */
1262 public function generate_documentation() {
1263 $format = str_replace( '%d', '%s', $this->path );
1264 $path_labeled = $format;
1265 if ( ! empty( $this->path_labels ) ) {
1266 $path_labeled = vsprintf( $format, array_keys( $this->path_labels ) );
1267 }
1268 $boolean_arg = array( 'false', 'true' );
1269 $naeloob_arg = array( 'true', 'false' );
1270
1271 $doc = array(
1272 'description' => $this->description,
1273 'method' => $this->method,
1274 'path_format' => $this->path,
1275 'path_labeled' => $path_labeled,
1276 'group' => $this->group,
1277 'request' => array(
1278 'path' => array(),
1279 'query' => array(),
1280 'body' => array(),
1281 ),
1282 'response' => array(
1283 'body' => array(),
1284 ),
1285 );
1286
1287 foreach ( array(
1288 'path_labels' => 'path',
1289 'query' => 'query',
1290 'request_format' => 'body',
1291 'response_format' => 'body',
1292 ) as $_property => $doc_item ) {
1293 foreach ( (array) $this->$_property as $key => $description ) {
1294 if ( is_array( $description ) ) {
1295 $description_keys = array_keys( $description );
1296 if ( $boolean_arg === $description_keys || $naeloob_arg === $description_keys ) {
1297 $type = '(bool)';
1298 } else {
1299 $type = '(string)';
1300 }
1301
1302 if ( 'response_format' !== $_property ) {
1303 // hack - don't show "(default)" in response format.
1304 reset( $description );
1305 $description_key = key( $description );
1306 $description[ $description_key ] = "(default) {$description[$description_key]}";
1307 }
1308 } else {
1309 $types = $this->parse_types( $description );
1310 $type = array();
1311 $default = '';
1312
1313 if ( 'none' === $types ) {
1314 $types = array();
1315 $types[]['type'] = 'none';
1316 }
1317
1318 foreach ( $types as $type_array ) {
1319 $type[] = $type_array['type'];
1320 if ( isset( $type_array['default'] ) ) {
1321 $default = $type_array['default'];
1322 if ( 'string' === $type_array['type'] ) {
1323 $default = "'$default'";
1324 }
1325 }
1326 }
1327 $type = '(' . implode( '|', $type ) . ')';
1328 if ( str_contains( $description, ')' ) ) {
1329 list( , $description ) = explode( ')', $description, 2 );
1330 }
1331 $description = trim( $description );
1332 if ( $default ) {
1333 $description .= " Default: $default.";
1334 }
1335 }
1336
1337 $item = compact( 'type', 'description' );
1338
1339 if ( 'response_format' === $_property ) {
1340 $doc['response'][ $doc_item ][ $key ] = $item;
1341 } else {
1342 $doc['request'][ $doc_item ][ $key ] = $item;
1343 }
1344 }
1345 }
1346
1347 return $doc;
1348 }
1349
1350 /**
1351 * Can the user view the post?
1352 *
1353 * @param int $post_id Post ID.
1354 * @return bool|WP_Error
1355 */
1356 public function user_can_view_post( $post_id ) {
1357 $post = get_post( $post_id );
1358 if ( ! $post || is_wp_error( $post ) ) {
1359 return false;
1360 }
1361
1362 if ( 'inherit' === $post->post_status ) {
1363 $parent_post = get_post( $post->post_parent );
1364 $post_status_obj = get_post_status_object( $parent_post->post_status ?? $post->post_status );
1365 } else {
1366 $post_status_obj = get_post_status_object( $post->post_status );
1367 }
1368
1369 if ( empty( $post_status_obj->public ) ) {
1370 if ( is_user_logged_in() ) {
1371 if ( ! empty( $post_status_obj->protected ) ) {
1372 if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1373 return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
1374 }
1375 } elseif ( ! empty( $post_status_obj->private ) ) {
1376 if ( ! current_user_can( 'read_post', $post->ID ) ) {
1377 return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
1378 }
1379 } elseif ( in_array( $post->post_status, array( 'inherit', 'trash' ), true ) ) {
1380 if ( ! current_user_can( 'edit_post', $post->ID ) ) {
1381 return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
1382 }
1383 } elseif ( 'auto-draft' === $post->post_status ) { // phpcs:ignore Generic.CodeAnalysis.EmptyStatement.DetectedElseif
1384 // allow auto-drafts.
1385 } else {
1386 return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
1387 }
1388 } else {
1389 return new WP_Error( 'unauthorized', 'User cannot view post', 403 );
1390 }
1391 }
1392
1393 if (
1394 ( new Status() )->is_private_site() &&
1395 /**
1396 * Filter access to a specific post.
1397 *
1398 * @module json-api
1399 *
1400 * @since 3.4.0
1401 *
1402 * @param bool current_user_can( 'read_post', $post->ID ) Can the current user access the post.
1403 * @param WP_Post $post Post data.
1404 */
1405 ! apply_filters(
1406 'wpcom_json_api_user_can_view_post',
1407 current_user_can( 'read_post', $post->ID ),
1408 $post
1409 )
1410 ) {
1411 return new WP_Error(
1412 'unauthorized',
1413 'User cannot view post',
1414 array(
1415 'status_code' => 403,
1416 'error' => 'private_blog',
1417 )
1418 );
1419 }
1420
1421 if ( strlen( $post->post_password ) && ! current_user_can( 'edit_post', $post->ID ) ) {
1422 return new WP_Error(
1423 'unauthorized',
1424 'User cannot view password protected post',
1425 array(
1426 'status_code' => 403,
1427 'error' => 'password_protected',
1428 )
1429 );
1430 }
1431
1432 return true;
1433 }
1434
1435 /**
1436 * Returns author object.
1437 *
1438 * @param object $author user ID, user row, WP_User object, comment row, post row.
1439 * @param bool $show_email_and_ip output the author's email address and IP address?.
1440 *
1441 * @return object
1442 */
1443 public function get_author( $author, $show_email_and_ip = false ) {
1444 $is_jetpack = null;
1445 $login = null;
1446 $email = null;
1447 $name = null;
1448 $first_name = null;
1449 $last_name = null;
1450 $nice = null;
1451 $url = null;
1452 $ip_address = isset( $author->comment_author_IP ) ? $author->comment_author_IP : '';
1453 $site_id = -1;
1454
1455 if ( isset( $author->comment_author_email ) ) {
1456 $id = empty( $author->user_id ) ? 0 : (int) $author->user_id;
1457 $login = '';
1458 $email = $author->comment_author_email;
1459 $name = $author->comment_author;
1460 $first_name = '';
1461 $last_name = '';
1462 $url = $author->comment_author_url;
1463 $avatar_url = $this->api->get_avatar_url( $author );
1464 $nice = '';
1465
1466 // Add additional user data to the response if a valid user ID is available.
1467 if ( 0 < $id ) {
1468 $user = get_user_by( 'id', $id );
1469 if ( $user instanceof WP_User ) {
1470 $login = $user->user_login ?? '';
1471 $first_name = $user->first_name ?? '';
1472 $last_name = $user->last_name ?? '';
1473 $nice = $user->user_nicename ?? '';
1474 } else {
1475 trigger_error( 'Unknown user', E_USER_WARNING ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error
1476 }
1477 }
1478
1479 // Comment author URLs and Emails are sent through wp_kses() on save, which replaces "&" with "&amp;"
1480 // "&" is the only email/URL character altered by wp_kses().
1481 foreach ( array( 'email', 'url' ) as $field ) {
1482 $$field = str_replace( '&amp;', '&', $$field );
1483 }
1484 } elseif ( $author instanceof WP_User || isset( $author->user_email ) ) {
1485 $author = $author->ID;
1486 } elseif ( isset( $author->user_id ) && $author->user_id ) {
1487 $author = $author->user_id;
1488 } elseif ( isset( $author->post_author ) ) {
1489 // then $author is a Post Object.
1490 if ( ! $author->post_author ) {
1491 return null;
1492 }
1493 /**
1494 * Filter whether the current site is a Jetpack site.
1495 *
1496 * @module json-api
1497 *
1498 * @since 3.3.0
1499 *
1500 * @param bool false Is the current site a Jetpack site. Default to false.
1501 * @param int get_current_blog_id() Blog ID.
1502 */
1503 $is_jetpack = true === apply_filters( 'is_jetpack_site', false, get_current_blog_id() );
1504 $post_id = $author->ID;
1505 if ( $is_jetpack && ( defined( 'IS_WPCOM' ) && IS_WPCOM ) ) {
1506 $id = get_post_meta( $post_id, '_jetpack_post_author_external_id', true );
1507 $email = get_post_meta( $post_id, '_jetpack_author_email', true );
1508 $login = '';
1509 $name = get_post_meta( $post_id, '_jetpack_author', true );
1510 $first_name = '';
1511 $last_name = '';
1512 $url = '';
1513 $nice = '';
1514 } else {
1515 $author = $author->post_author;
1516 }
1517 }
1518
1519 if ( ! isset( $id ) ) {
1520 $user = get_user_by( 'id', $author );
1521 if ( ! $user || is_wp_error( $user ) ) {
1522 trigger_error( 'Unknown user', E_USER_WARNING ); // phpcs:ignore WordPress.PHP.DevelopmentFunctions.error_log_trigger_error
1523
1524 return null;
1525 }
1526 $id = $user->ID;
1527 $email = $user->user_email;
1528 $login = $user->user_login;
1529 $name = $user->display_name;
1530 $first_name = $user->first_name;
1531 $last_name = $user->last_name;
1532 $url = $user->user_url;
1533 $nice = $user->user_nicename;
1534 }
1535 if ( defined( 'IS_WPCOM' ) && IS_WPCOM && ! $is_jetpack ) {
1536 /**
1537 * Allow customizing the blog ID returned with the author in WordPress.com REST API queries.
1538 *
1539 * @since 12.9
1540 *
1541 * @module json-api
1542 *
1543 * @param bool|int $active_blog Blog ID, or false by default.
1544 * @param int $id User ID.
1545 */
1546 $active_blog = apply_filters( 'wpcom_api_pre_get_active_blog_author', false, $id );
1547 if ( false === $active_blog ) {
1548 $active_blog = get_active_blog_for_user( $id );
1549 }
1550 if ( ! empty( $active_blog ) ) {
1551 $site_id = $active_blog->blog_id;
1552 }
1553 if ( $site_id > - 1 ) {
1554 $site_visible = (
1555 - 1 !== (int) $active_blog->public ||
1556 is_private_blog_user( $site_id, get_current_user_id() )
1557 );
1558 }
1559 $profile_url = "https://gravatar.com/{$login}";
1560 } else {
1561 $profile_url = 'https://gravatar.com/' . md5( strtolower( trim( $email ) ) );
1562 }
1563
1564 if ( ! isset( $avatar_url ) ) {
1565 $avatar_url = $this->api->get_avatar_url( $email );
1566 }
1567
1568 if ( $show_email_and_ip ) {
1569 $email = (string) $email;
1570 $ip_address = (string) $ip_address;
1571 } else {
1572 $email = false;
1573 $ip_address = false;
1574 }
1575
1576 $author = array(
1577 'ID' => (int) $id,
1578 'login' => (string) $login,
1579 'email' => $email, // string|bool.
1580 'name' => (string) $name,
1581 'first_name' => (string) $first_name,
1582 'last_name' => (string) $last_name,
1583 'nice_name' => (string) $nice,
1584 'URL' => (string) esc_url_raw( $url ),
1585 'avatar_URL' => (string) esc_url_raw( $avatar_url ),
1586 'profile_URL' => (string) esc_url_raw( $profile_url ),
1587 'ip_address' => $ip_address, // string|bool.
1588 );
1589
1590 if ( $site_id > -1 ) {
1591 $author['site_ID'] = (int) $site_id;
1592 $author['site_visible'] = $site_visible;
1593 }
1594
1595 // Only include WordPress.com user data when author_wpcom_data is enabled.
1596 $args = $this->query_args();
1597
1598 if ( ! empty( $id ) && ! empty( $args['author_wpcom_data'] ) ) {
1599 if ( ( new Host() )->is_wpcom_simple() ) {
1600 $user = get_user_by( 'id', $id );
1601 $author['wpcom_id'] = isset( $user->ID ) ? (int) $user->ID : null;
1602 $author['wpcom_login'] = $user->user_login ?? '';
1603 } else {
1604 // If this is a Jetpack site, use the connection manager to get the user data.
1605 $wpcom_user_data = ( new Manager() )->get_connected_user_data( $id );
1606 if ( $wpcom_user_data && isset( $wpcom_user_data['ID'] ) ) {
1607 $author['wpcom_id'] = (int) $wpcom_user_data['ID'];
1608 $author['wpcom_login'] = $wpcom_user_data['login'] ?? '';
1609 }
1610 }
1611 }
1612
1613 return (object) $author;
1614 }
1615
1616 /**
1617 * Get a media item.
1618 *
1619 * @param int $media_id Media post ID.
1620 * @return object|WP_Error Media item data, or WP_Error.
1621 */
1622 public function get_media_item( $media_id ) {
1623 $media_item = get_post( $media_id );
1624
1625 if ( ! $media_item || is_wp_error( $media_item ) ) {
1626 return new WP_Error( 'unknown_media', 'Unknown Media', 404 );
1627 }
1628
1629 $response = array(
1630 'id' => (string) $media_item->ID,
1631 'date' => (string) $this->format_date( $media_item->post_date_gmt, $media_item->post_date ),
1632 'parent' => $media_item->post_parent,
1633 'link' => wp_get_attachment_url( $media_item->ID ),
1634 'title' => $media_item->post_title,
1635 'caption' => $media_item->post_excerpt,
1636 'description' => $media_item->post_content,
1637 'metadata' => wp_get_attachment_metadata( $media_item->ID ),
1638 );
1639
1640 if ( defined( 'IS_WPCOM' ) && IS_WPCOM && is_array( $response['metadata'] ) && ! empty( $response['metadata']['file'] ) ) {
1641 remove_filter( '_wp_relative_upload_path', 'wpcom_wp_relative_upload_path', 10 );
1642 $response['metadata']['file'] = _wp_relative_upload_path( $response['metadata']['file'] );
1643 add_filter( '_wp_relative_upload_path', 'wpcom_wp_relative_upload_path', 10, 2 );
1644 }
1645
1646 $response['meta'] = (object) array(
1647 'links' => (object) array(
1648 'self' => (string) $this->links->get_media_link( $this->api->get_blog_id_for_output(), $media_id ),
1649 'help' => (string) $this->links->get_media_link( $this->api->get_blog_id_for_output(), $media_id, 'help' ),
1650 'site' => (string) $this->links->get_site_link( $this->api->get_blog_id_for_output() ),
1651 ),
1652 );
1653
1654 return (object) $response;
1655 }
1656
1657 /**
1658 * Get a v1.1 media item.
1659 *
1660 * @param int $media_id Media post ID.
1661 * @param WP_Post|null $media_item Media item.
1662 * @param string|null $file File path.
1663 * @return object|WP_Error Media item data, or WP_Error.
1664 */
1665 public function get_media_item_v1_1( $media_id, $media_item = null, $file = null ) {
1666 if ( ! $media_item ) {
1667 $media_item = get_post( $media_id );
1668 }
1669
1670 if ( ! $media_item || is_wp_error( $media_item ) ) {
1671 return new WP_Error( 'unknown_media', 'Unknown Media', 404 );
1672 }
1673
1674 $attachment_file = isset( $media_item->ID ) ? get_attached_file( $media_item->ID ) : null;
1675
1676 $file = basename( $attachment_file ? $attachment_file : $file );
1677 $file_info = pathinfo( $file );
1678 $ext = isset( $file_info['extension'] ) ? $file_info['extension'] : null;
1679
1680 // File operations are handled differently on WordPress.com.
1681 if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
1682 $attachment_metadata = isset( $media_item->ID ) ? wp_get_attachment_metadata( $media_item->ID ) : array();
1683 $filesize = ! empty( $attachment_metadata['filesize'] ) ? $attachment_metadata['filesize'] : 0;
1684 } else {
1685 // For VideoPress videos, $attachment_file is the video URL.
1686 $filesize = ( $attachment_file && file_exists( $attachment_file ) )
1687 ? filesize( $attachment_file )
1688 : 0;
1689 }
1690
1691 $response = array(
1692 'ID' => isset( $media_item->ID ) ? $media_item->ID : null,
1693 'URL' => isset( $media_item->ID ) ? wp_get_attachment_url( $media_item->ID ) : null,
1694 'guid' => isset( $media_item->guid ) ? $media_item->guid : null,
1695 'date' => ( isset( $media_item->post_date_gmt ) && isset( $media_item->post_date ) ) ?
1696 (string) $this->format_date( $media_item->post_date_gmt, $media_item->post_date ) : null,
1697 'post_ID' => isset( $media_item->post_parent ) ? $media_item->post_parent : null,
1698 'author_ID' => isset( $media_item->post_author ) ? (int) $media_item->post_author : null,
1699 'file' => $file,
1700 'mime_type' => isset( $media_item->post_mime_type ) ? $media_item->post_mime_type : null,
1701 'extension' => $ext,
1702 'title' => isset( $media_item->post_title ) ? $media_item->post_title : '',
1703 'caption' => isset( $media_item->post_excerpt ) ? $media_item->post_excerpt : '',
1704 'description' => isset( $media_item->post_content ) ? $media_item->post_content : '',
1705 'alt' => isset( $media_item->ID ) ? get_post_meta( $media_item->ID, '_wp_attachment_image_alt', true ) : '',
1706 'icon' => isset( $media_item->ID ) ? wp_mime_type_icon( $media_item->ID ) : null,
1707 'size' => size_format( (int) $filesize, 2 ),
1708 'thumbnails' => array(),
1709 );
1710
1711 if ( in_array( $ext, array( 'jpg', 'jpeg', 'png', 'gif', 'webp' ), true ) && isset( $media_item->ID ) ) {
1712 $metadata = wp_get_attachment_metadata( $media_item->ID );
1713 if ( isset( $metadata['height'] ) ) {
1714 $response['height'] = $metadata['height'];
1715 }
1716 if ( isset( $metadata['width'] ) ) {
1717 $response['width'] = $metadata['width'];
1718 }
1719
1720 if ( isset( $metadata['sizes'] ) ) {
1721 /**
1722 * Filter the thumbnail sizes available for each attachment ID.
1723 *
1724 * @module json-api
1725 *
1726 * @since 3.9.0
1727 *
1728 * @param array $metadata['sizes'] Array of thumbnail sizes available for a given attachment ID.
1729 * @param string $media_id Attachment ID.
1730 */
1731 $sizes = apply_filters( 'rest_api_thumbnail_sizes', $metadata['sizes'], $media_item->ID );
1732 if ( is_array( $sizes ) ) {
1733 foreach ( $sizes as $size => $size_details ) {
1734 $response['thumbnails'][ $size ] = dirname( $response['URL'] ) . '/' . $size_details['file'];
1735 }
1736 /**
1737 * Filter the thumbnail URLs for attachment files.
1738 *
1739 * @module json-api
1740 *
1741 * @since 7.1.0
1742 *
1743 * @param array $metadata['sizes'] Array with thumbnail sizes as keys and URLs as values.
1744 */
1745 $response['thumbnails'] = apply_filters( 'rest_api_thumbnail_size_urls', $response['thumbnails'] );
1746 }
1747 }
1748
1749 if ( isset( $metadata['image_meta'] ) ) {
1750 $response['exif'] = $metadata['image_meta'];
1751 }
1752 }
1753
1754 if ( in_array( $ext, array( 'mp3', 'm4a', 'wav', 'ogg' ), true ) && isset( $media_item->ID ) ) {
1755 $metadata = wp_get_attachment_metadata( $media_item->ID );
1756 $response['length'] = $metadata['length'];
1757 $response['exif'] = $metadata;
1758 }
1759
1760 $is_video = false;
1761
1762 if (
1763 in_array( $ext, array( 'ogv', 'mp4', 'mov', 'wmv', 'avi', 'mpg', '3gp', '3g2', 'm4v' ), true )
1764 || 'video/videopress' === $response['mime_type']
1765 ) {
1766 $is_video = true;
1767 }
1768
1769 if ( $is_video && isset( $media_item->ID ) ) {
1770 $metadata = wp_get_attachment_metadata( $media_item->ID );
1771
1772 if ( isset( $metadata['height'] ) ) {
1773 $response['height'] = $metadata['height'];
1774 }
1775 if ( isset( $metadata['width'] ) ) {
1776 $response['width'] = $metadata['width'];
1777 }
1778
1779 if ( isset( $metadata['length'] ) ) {
1780 $response['length'] = $metadata['length'];
1781 }
1782
1783 if ( empty( $response['length'] ) && isset( $metadata['duration'] ) ) {
1784 $response['length'] = (int) $metadata['duration'];
1785 }
1786
1787 if ( empty( $response['length'] ) && isset( $metadata['videopress']['duration'] ) ) {
1788 $response['length'] = ceil( $metadata['videopress']['duration'] / 1000 );
1789 }
1790
1791 // add VideoPress info.
1792 if ( function_exists( 'video_get_info_by_blogpostid' ) ) {
1793 $info = video_get_info_by_blogpostid( $this->api->get_blog_id_for_output(), $media_item->ID );
1794
1795 // If we failed to get VideoPress info, but it exists in the meta data (for some reason)
1796 // then let's use that.
1797 if ( false === $info && isset( $metadata['videopress'] ) ) {
1798 $info = (object) $metadata['videopress'];
1799 }
1800
1801 if ( isset( $info->rating ) ) {
1802 $response['rating'] = $info->rating;
1803 }
1804
1805 if ( isset( $info->display_embed ) ) {
1806 $response['display_embed'] = (string) (int) $info->display_embed;
1807 // If not, default to metadata (for WPCOM).
1808 } elseif ( isset( $metadata['videopress']['display_embed'] ) ) {
1809 // We convert it to int then to string so that (bool) false to become "0".
1810 $response['display_embed'] = (string) (int) $metadata['videopress']['display_embed'];
1811 }
1812
1813 if ( isset( $info->allow_download ) ) {
1814 $response['allow_download'] = (string) (int) $info->allow_download;
1815 } elseif ( isset( $metadata['videopress']['allow_download'] ) ) {
1816 // We convert it to int then to string so that (bool) false to become "0".
1817 $response['allow_download'] = (string) (int) $metadata['videopress']['allow_download'];
1818 }
1819
1820 if ( isset( $info->thumbnail_generating ) ) {
1821 $response['thumbnail_generating'] = (bool) intval( $info->thumbnail_generating );
1822 } elseif ( isset( $metadata['videopress']['thumbnail_generating'] ) ) {
1823 $response['thumbnail_generating'] = (bool) intval( $metadata['videopress']['thumbnail_generating'] );
1824 }
1825
1826 if ( isset( $info->privacy_setting ) ) {
1827 $response['privacy_setting'] = (int) $info->privacy_setting;
1828 } elseif ( isset( $metadata['videopress']['privacy_setting'] ) ) {
1829 $response['privacy_setting'] = (int) $metadata['videopress']['privacy_setting'];
1830 }
1831
1832 $thumbnail_query_data = array();
1833 if ( ! empty( $info ) && function_exists( 'video_is_private' ) && video_is_private( $info ) ) {
1834 $thumbnail_query_data['metadata_token'] = video_generate_auth_token( $info );
1835 }
1836
1837 // Thumbnails.
1838 if ( function_exists( 'video_format_done' ) && function_exists( 'video_image_url_by_guid' ) ) {
1839 $response['thumbnails'] = array(
1840 'fmt_hd' => '',
1841 'fmt_dvd' => '',
1842 'fmt_std' => '',
1843 );
1844 foreach ( $response['thumbnails'] as $size => $thumbnail_url ) {
1845 if ( video_format_done( $info, $size ) ) {
1846 $response['thumbnails'][ $size ] = \add_query_arg( $thumbnail_query_data, \video_image_url_by_guid( $info->guid, $size ) );
1847 } else {
1848 unset( $response['thumbnails'][ $size ] );
1849 }
1850 }
1851 }
1852
1853 if ( isset( $info->title ) ) {
1854 $response['title'] = $info->title;
1855 }
1856
1857 // If we didn't get VideoPress information (for some reason) then let's
1858 // not try and include it in the response.
1859 if ( isset( $info->guid ) ) {
1860 $response['videopress_guid'] = $info->guid;
1861 $response['videopress_processing_done'] = isset( $info->finish_date_gmt ) && '0000-00-00 00:00:00' !== $info->finish_date_gmt;
1862 }
1863 }
1864 }
1865
1866 $response['thumbnails'] = (object) $response['thumbnails'];
1867
1868 $response['meta'] = (object) array(
1869 'links' => (object) array(
1870 'self' => isset( $media_item->ID ) ? (string) $this->links->get_media_link( $this->api->get_blog_id_for_output(), $media_item->ID ) : null,
1871 'help' => isset( $media_item->ID ) ? (string) $this->links->get_media_link( $this->api->get_blog_id_for_output(), $media_item->ID, 'help' ) : null,
1872 'site' => (string) $this->links->get_site_link( $this->api->get_blog_id_for_output() ),
1873 ),
1874 );
1875
1876 // add VideoPress link to the meta.
1877 if ( isset( $response['videopress_guid'] ) ) {
1878 if ( function_exists( 'video_get_info_by_blogpostid' ) ) {
1879 $response['meta']->links->videopress = (string) $this->links->get_link( '/videos/%s', $response['videopress_guid'], '' );
1880 }
1881 }
1882
1883 if ( isset( $media_item->post_parent ) && $media_item->post_parent > 0 ) {
1884 $response['meta']->links->parent = (string) $this->links->get_post_link( $this->api->get_blog_id_for_output(), $media_item->post_parent );
1885 }
1886
1887 return (object) $response;
1888 }
1889
1890 /**
1891 * Get a formatted taxonomy.
1892 *
1893 * @param int $taxonomy_id Taxonomy ID.
1894 * @param string $taxonomy_type Name of taxonomy.
1895 * @param string $context Context, 'edit' or 'display'.
1896 * @return object|WP_Error
1897 */
1898 public function get_taxonomy( $taxonomy_id, $taxonomy_type, $context ) {
1899
1900 $taxonomy = get_term_by( 'slug', $taxonomy_id, $taxonomy_type );
1901 // keep updating this function.
1902 if ( ! $taxonomy || is_wp_error( $taxonomy ) ) {
1903 return new WP_Error( 'unknown_taxonomy', 'Unknown taxonomy', 404 );
1904 }
1905
1906 return $this->format_taxonomy( $taxonomy, $taxonomy_type, $context );
1907 }
1908
1909 /**
1910 * Format a taxonomy.
1911 *
1912 * @param WP_Term $taxonomy Taxonomy.
1913 * @param string $taxonomy_type Name of taxonomy.
1914 * @param string $context Context, 'edit' or 'display'.
1915 * @return object|WP_Error
1916 */
1917 public function format_taxonomy( $taxonomy, $taxonomy_type, $context ) {
1918 // Permissions.
1919 switch ( $context ) {
1920 case 'edit':
1921 $tax = get_taxonomy( $taxonomy_type );
1922 if ( ! current_user_can( $tax->cap->edit_terms ) ) {
1923 return new WP_Error( 'unauthorized', 'User cannot edit taxonomy', 403 );
1924 }
1925 break;
1926 case 'display':
1927 if ( ( new Status() )->is_private_site() && ! current_user_can( 'read' ) ) {
1928 return new WP_Error( 'unauthorized', 'User cannot view taxonomy', 403 );
1929 }
1930 break;
1931 default:
1932 return new WP_Error( 'invalid_context', 'Invalid API CONTEXT', 400 );
1933 }
1934
1935 $response = array();
1936 $response['ID'] = (int) $taxonomy->term_id;
1937 $response['name'] = (string) $taxonomy->name;
1938 $response['slug'] = (string) $taxonomy->slug;
1939 $response['description'] = (string) $taxonomy->description;
1940 $response['post_count'] = (int) $taxonomy->count;
1941 $response['feed_url'] = get_term_feed_link( $taxonomy->term_id, $taxonomy_type );
1942
1943 if ( is_taxonomy_hierarchical( $taxonomy_type ) ) {
1944 $response['parent'] = (int) $taxonomy->parent;
1945 }
1946
1947 $response['meta'] = (object) array(
1948 'links' => (object) array(
1949 'self' => (string) $this->links->get_taxonomy_link( $this->api->get_blog_id_for_output(), $taxonomy->slug, $taxonomy_type ),
1950 'help' => (string) $this->links->get_taxonomy_link( $this->api->get_blog_id_for_output(), $taxonomy->slug, $taxonomy_type, 'help' ),
1951 'site' => (string) $this->links->get_site_link( $this->api->get_blog_id_for_output() ),
1952 ),
1953 );
1954
1955 return (object) $response;
1956 }
1957
1958 /**
1959 * Returns ISO 8601 formatted datetime: 2011-12-08T01:15:36-08:00
1960 *
1961 * @param string $date_gmt GMT datetime string.
1962 * @param string $date Optional. Used to calculate the offset from GMT.
1963 * @return string
1964 */
1965 public function format_date( $date_gmt, $date = null ) {
1966 return WPCOM_JSON_API_Date::format_date( $date_gmt, $date );
1967 }
1968
1969 /**
1970 * Parses a date string and returns the local and GMT representations
1971 * of that date & time in 'YYYY-MM-DD HH:MM:SS' format without
1972 * timezones or offsets. If the parsed datetime was not localized to a
1973 * particular timezone or offset we will assume it was given in GMT
1974 * relative to now and will convert it to local time using either the
1975 * timezone set in the options table for the blog or the GMT offset.
1976 *
1977 * @param string $date_string Date to parse.
1978 *
1979 * @return array{string,string} ( $local_time_string, $gmt_time_string )
1980 */
1981 public function parse_date( $date_string ) {
1982 $date_string_info = date_parse( $date_string );
1983 if ( is_array( $date_string_info ) && 0 === $date_string_info['error_count'] ) {
1984 // Check if it's already localized. Can't just check is_localtime because date_parse('oppossum') returns true; WTF, PHP.
1985 if ( isset( $date_string_info['zone'] ) && true === $date_string_info['is_localtime'] ) {
1986 $dt_utc = new DateTime( $date_string );
1987 $dt_local = clone $dt_utc;
1988 $dt_utc->setTimezone( new DateTimeZone( 'UTC' ) );
1989 return array(
1990 (string) $dt_local->format( 'Y-m-d H:i:s' ),
1991 (string) $dt_utc->format( 'Y-m-d H:i:s' ),
1992 );
1993 }
1994
1995 // It's parseable but no TZ info so assume UTC.
1996 $dt_utc = new DateTime( $date_string, new DateTimeZone( 'UTC' ) );
1997 $dt_local = clone $dt_utc;
1998 } else {
1999 // Could not parse time, use now in UTC.
2000 $dt_utc = new DateTime( 'now', new DateTimeZone( 'UTC' ) );
2001 $dt_local = clone $dt_utc;
2002 }
2003
2004 $dt_local->setTimezone( wp_timezone() );
2005
2006 return array(
2007 (string) $dt_local->format( 'Y-m-d H:i:s' ),
2008 (string) $dt_utc->format( 'Y-m-d H:i:s' ),
2009 );
2010 }
2011
2012 /**
2013 * Load the functions.php file for the current theme to get its post formats, CPTs, etc.
2014 */
2015 public function load_theme_functions() {
2016 if ( false === defined( 'STYLESHEETPATH' ) ) {
2017 wp_templating_constants();
2018 }
2019
2020 // bail if we've done this already (can happen when calling /batch endpoint).
2021 if ( defined( 'REST_API_THEME_FUNCTIONS_LOADED' ) ) {
2022 return;
2023 }
2024
2025 // VIP context loading is handled elsewhere, so bail to prevent
2026 // duplicate loading. See `switch_to_blog_and_validate_user()`.
2027 if ( defined( 'WPCOM_IS_VIP_ENV' ) && WPCOM_IS_VIP_ENV ) {
2028 return;
2029 }
2030
2031 $do_check_theme =
2032 defined( 'REST_API_TEST_REQUEST' ) && REST_API_TEST_REQUEST ||
2033 defined( 'IS_WPCOM' ) && IS_WPCOM;
2034
2035 if ( $do_check_theme && ! wpcom_should_load_theme_files_on_rest_api() ) {
2036 return;
2037 }
2038
2039 define( 'REST_API_THEME_FUNCTIONS_LOADED', true );
2040
2041 // the theme info we care about is found either within functions.php or one of the jetpack files.
2042 $function_files = array( '/functions.php', '/inc/jetpack.compat.php', '/inc/jetpack.php', '/includes/jetpack.compat.php' );
2043
2044 $copy_dirs = array( get_template_directory() );
2045
2046 // Is this a child theme? Load the child theme's functions file.
2047 if ( get_stylesheet_directory() !== get_template_directory() && wpcom_is_child_theme() ) {
2048 foreach ( $function_files as $function_file ) {
2049 if ( file_exists( get_stylesheet_directory() . $function_file ) ) {
2050 require_once get_stylesheet_directory() . $function_file;
2051 }
2052 }
2053 $copy_dirs[] = get_stylesheet_directory();
2054 }
2055
2056 foreach ( $function_files as $function_file ) {
2057 if ( file_exists( get_template_directory() . $function_file ) ) {
2058 require_once get_template_directory() . $function_file;
2059 }
2060 }
2061
2062 // add inc/wpcom.php and/or includes/wpcom.php.
2063 wpcom_load_theme_compat_file();
2064
2065 // Enable including additional directories or files in actions to be copied.
2066 $copy_dirs = apply_filters( 'restapi_theme_action_copy_dirs', $copy_dirs );
2067
2068 // since the stuff we care about (CPTS, post formats, are usually on setup or init hooks, we want to load those).
2069 $this->copy_hooks( 'after_setup_theme', 'restapi_theme_after_setup_theme', $copy_dirs );
2070
2071 /**
2072 * Fires functions hooked onto `after_setup_theme` by the theme for the purpose of the REST API.
2073 *
2074 * The REST API does not load the theme when processing requests.
2075 * To enable theme-based functionality, the API will load the '/functions.php',
2076 * '/inc/jetpack.compat.php', '/inc/jetpack.php', '/includes/jetpack.compat.php files
2077 * of the theme (parent and child) and copy functions hooked onto 'after_setup_theme' within those files.
2078 *
2079 * @module json-api
2080 *
2081 * @since 3.2.0
2082 */
2083 do_action( 'restapi_theme_after_setup_theme' );
2084 $this->copy_hooks( 'init', 'restapi_theme_init', $copy_dirs );
2085
2086 /**
2087 * Fires functions hooked onto `init` by the theme for the purpose of the REST API.
2088 *
2089 * The REST API does not load the theme when processing requests.
2090 * To enable theme-based functionality, the API will load the '/functions.php',
2091 * '/inc/jetpack.compat.php', '/inc/jetpack.php', '/includes/jetpack.compat.php files
2092 * of the theme (parent and child) and copy functions hooked onto 'init' within those files.
2093 *
2094 * @module json-api
2095 *
2096 * @since 3.2.0
2097 */
2098 do_action( 'restapi_theme_init' );
2099 }
2100
2101 /**
2102 * Copy hook functions.
2103 *
2104 * @param string $from_hook Hook to copy from.
2105 * @param string $to_hook Hook to copy to.
2106 * @param array $base_paths Only copy hooks defined in the specified paths.
2107 */
2108 public function copy_hooks( $from_hook, $to_hook, $base_paths ) {
2109 global $wp_filter;
2110 foreach ( $wp_filter as $hook => $actions ) {
2111
2112 if ( $from_hook !== $hook ) {
2113 continue;
2114 }
2115 if ( ! has_action( $hook ) ) {
2116 continue;
2117 }
2118
2119 foreach ( $actions as $priority => $callbacks ) {
2120 foreach ( $callbacks as $callback_data ) {
2121 $callback = $callback_data['function'];
2122
2123 // use reflection api to determine filename where function is defined.
2124 $reflection = $this->get_reflection( $callback );
2125
2126 if ( false !== $reflection ) {
2127 $file_name = $reflection->getFileName();
2128 foreach ( $base_paths as $base_path ) {
2129
2130 // only copy hooks with functions which are part of the specified files.
2131 if ( str_starts_with( $file_name, $base_path ) ) {
2132 add_action(
2133 $to_hook,
2134 $callback_data['function'],
2135 $priority,
2136 $callback_data['accepted_args']
2137 );
2138 }
2139 }
2140 }
2141 }
2142 }
2143 }
2144 }
2145
2146 /**
2147 * Get a ReflectionMethod or ReflectionFunction for the callback.
2148 *
2149 * @param callable $callback Callback.
2150 * @return ReflectionMethod|ReflectionFunction|false
2151 */
2152 public function get_reflection( $callback ) {
2153 if ( is_array( $callback ) ) {
2154 list( $class, $method ) = $callback;
2155 return new ReflectionMethod( $class, $method );
2156 }
2157
2158 if ( is_string( $callback ) && strpos( $callback, '::' ) !== false ) {
2159 list( $class, $method ) = explode( '::', $callback );
2160 return new ReflectionMethod( $class, $method );
2161 }
2162
2163 if ( method_exists( $callback, '__invoke' ) ) {
2164 return new ReflectionMethod( $callback, '__invoke' );
2165 }
2166
2167 if ( is_string( $callback ) && strpos( $callback, '::' ) === false && function_exists( $callback ) ) {
2168 return new ReflectionFunction( $callback );
2169 }
2170
2171 return false;
2172 }
2173
2174 /**
2175 * Check whether a user can view or edit a post type.
2176 *
2177 * @param string $post_type post type to check.
2178 * @param string $context 'display' or 'edit'.
2179 * @return bool
2180 */
2181 public function current_user_can_access_post_type( $post_type, $context = 'display' ) {
2182 $post_type_object = get_post_type_object( $post_type );
2183 if ( ! $post_type_object ) {
2184 return false;
2185 }
2186
2187 switch ( $context ) {
2188 case 'edit':
2189 return current_user_can( $post_type_object->cap->edit_posts );
2190 case 'display':
2191 return $post_type_object->public || current_user_can( $post_type_object->cap->read_private_posts );
2192 default:
2193 return false;
2194 }
2195 }
2196
2197 /**
2198 * Is the post type allowed?
2199 *
2200 * @param string $post_type Post type.
2201 * @return bool
2202 */
2203 public function is_post_type_allowed( $post_type ) {
2204 // if the post type is empty, that's fine, WordPress will default to post.
2205 if ( empty( $post_type ) ) {
2206 return true;
2207 }
2208
2209 // allow special 'any' type.
2210 if ( 'any' === $post_type ) {
2211 return true;
2212 }
2213
2214 // check for allowed types.
2215 if ( in_array( $post_type, $this->_get_whitelisted_post_types(), true ) ) {
2216 return true;
2217 }
2218
2219 $post_type_object = get_post_type_object( $post_type );
2220 if ( $post_type_object ) {
2221 if ( ! empty( $post_type_object->show_in_rest ) ) {
2222 return $post_type_object->show_in_rest;
2223 }
2224 if ( ! empty( $post_type_object->publicly_queryable ) ) {
2225 return $post_type_object->publicly_queryable;
2226 }
2227 }
2228
2229 return ! empty( $post_type_object->public );
2230 }
2231
2232 /**
2233 * Gets the whitelisted post types that JP should allow access to.
2234 *
2235 * @return array Whitelisted post types.
2236 */
2237 protected function _get_whitelisted_post_types() { // phpcs:ignore PSR2.Methods.MethodDeclaration.Underscore -- Legacy.
2238 $allowed_types = array( 'post', 'page', 'revision' );
2239
2240 /**
2241 * Filter the post types Jetpack has access to, and can synchronize with WordPress.com.
2242 *
2243 * @module json-api
2244 *
2245 * @since 2.2.3
2246 *
2247 * @param array $allowed_types Array of whitelisted post types. Default to `array( 'post', 'page', 'revision' )`.
2248 */
2249 $allowed_types = apply_filters( 'rest_api_allowed_post_types', $allowed_types );
2250
2251 return array_unique( $allowed_types );
2252 }
2253
2254 /**
2255 * Mobile apps are allowed free video uploads, but limited to 5 minutes in length.
2256 *
2257 * @param array $media_item the media item to evaluate.
2258 *
2259 * @return bool true if the media item is a video that was uploaded via the mobile
2260 * app that is longer than 5 minutes.
2261 */
2262 public function media_item_is_free_video_mobile_upload_and_too_long( $media_item ) {
2263 if ( ! $media_item ) {
2264 return false;
2265 }
2266
2267 // Verify file is a video.
2268 $is_video = preg_match( '@^video/@', $media_item['type'] );
2269 if ( ! $is_video ) {
2270 return false;
2271 }
2272
2273 // Check if the request is from a mobile app, where we allow free video uploads at limited length.
2274 if ( ! in_array( $this->api->token_details['client_id'], VIDEOPRESS_ALLOWED_REST_API_CLIENT_IDS, true ) ) {
2275 return false;
2276 }
2277
2278 // We're only worried about free sites.
2279 require_once WP_CONTENT_DIR . '/admin-plugins/wpcom-billing.php';
2280 $current_plan = WPCOM_Store_API::get_current_plan( get_current_blog_id() );
2281 if ( ! $current_plan['is_free'] ) {
2282 return false;
2283 }
2284
2285 // We don't know if this is an upload or a sideload, but in either case the tmp_name should be a path, not a URL.
2286 if ( wp_parse_url( $media_item['tmp_name'], PHP_URL_SCHEME ) !== null ) {
2287 return false;
2288 }
2289
2290 // Check if video is longer than 5 minutes.
2291 $video_meta = wp_read_video_metadata( $media_item['tmp_name'] );
2292 if (
2293 false !== $video_meta &&
2294 isset( $video_meta['length'] ) &&
2295 5 * MINUTE_IN_SECONDS < $video_meta['length']
2296 ) {
2297 videopress_log(
2298 'videopress_app_upload_length_block',
2299 'Mobile app upload on free site blocked because length was longer than 5 minutes.',
2300 null,
2301 null,
2302 null,
2303 null,
2304 array(
2305 'blog_id' => get_current_blog_id(),
2306 'user_id' => get_current_user_id(),
2307 )
2308 );
2309 return true;
2310 }
2311
2312 return false;
2313 }
2314
2315 /**
2316 * Handle a v1.1 media creation.
2317 *
2318 * Only one of $media_files and $media_urls should be non-empty.
2319 *
2320 * @param array $media_files File upload data.
2321 * @param array $media_urls URLs to fetch.
2322 * @param array $media_attrs Attributes corresponding to each entry in `$media_files`/`$media_urls`.
2323 * @param int|false $force_parent_id Force the parent ID, overriding `$media_attrs[]['parent_id']`.
2324 * @return array Two items:
2325 * - media_ids: IDs created, by index in `$media_files`/`$media_urls`.
2326 * - errors: Errors encountered, by index in `$media_files`/`$media_urls`.
2327 */
2328 public function handle_media_creation_v1_1( $media_files, $media_urls, $media_attrs = array(), $force_parent_id = false ) {
2329
2330 add_filter( 'upload_mimes', array( $this, 'allow_video_uploads' ) );
2331
2332 $media_ids = array();
2333 $errors = array();
2334 $user_can_upload_files = current_user_can( 'upload_files' ) || $this->api->is_authorized_with_upload_token();
2335 $media_attrs = array_values( $media_attrs ); // reset the keys.
2336 $i = 0;
2337
2338 if ( ! empty( $media_files ) ) {
2339 $this->api->trap_wp_die( 'upload_error' );
2340 foreach ( $media_files as $media_item ) {
2341 $_FILES['.api.media.item.'] = $media_item;
2342
2343 if ( ! $user_can_upload_files ) {
2344 $media_id = new WP_Error( 'unauthorized', 'User cannot upload media.', 403 );
2345 } elseif ( ! is_array( $media_item ) ) {
2346 $media_id = new WP_Error( 'invalid_input', 'Unable to process request.', 400 );
2347 $media_item = array(
2348 'name' => 'invalid_file',
2349 );
2350 } elseif ( $this->media_item_is_free_video_mobile_upload_and_too_long( $media_item ) ) {
2351 $media_id = new WP_Error( 'upload_video_length', 'Video uploads longer than 5 minutes require a paid plan.', 400 );
2352 } else {
2353 if ( $force_parent_id ) {
2354 $parent_id = absint( $force_parent_id );
2355 } elseif ( ! empty( $media_attrs[ $i ] ) && ! empty( $media_attrs[ $i ]['parent_id'] ) ) {
2356 $parent_id = absint( $media_attrs[ $i ]['parent_id'] );
2357 } else {
2358 $parent_id = 0;
2359 }
2360 $media_id = media_handle_upload( '.api.media.item.', $parent_id );
2361 }
2362 if ( is_wp_error( $media_id ) ) {
2363 $errors[ $i ]['file'] = $media_item['name'];
2364 $errors[ $i ]['error'] = $media_id->get_error_code();
2365 $errors[ $i ]['message'] = $media_id->get_error_message();
2366 } else {
2367 $media_ids[ $i ] = $media_id;
2368 }
2369
2370 ++$i;
2371 }
2372 $this->api->trap_wp_die( null );
2373 unset( $_FILES['.api.media.item.'] );
2374 }
2375
2376 if ( ! empty( $media_urls ) ) {
2377 foreach ( $media_urls as $url ) {
2378 if ( ! $user_can_upload_files ) {
2379 $media_id = new WP_Error( 'unauthorized', 'User cannot upload media.', 403 );
2380 } else {
2381 if ( $force_parent_id ) {
2382 $parent_id = absint( $force_parent_id );
2383 } elseif ( ! empty( $media_attrs[ $i ] ) && ! empty( $media_attrs[ $i ]['parent_id'] ) ) {
2384 $parent_id = absint( $media_attrs[ $i ]['parent_id'] );
2385 } else {
2386 $parent_id = 0;
2387 }
2388 $media_id = $this->handle_media_sideload( $url, $parent_id );
2389 }
2390 if ( is_wp_error( $media_id ) ) {
2391 $errors[ $i ] = array(
2392 'file' => $url,
2393 'error' => $media_id->get_error_code(),
2394 'message' => $media_id->get_error_message(),
2395 );
2396 } elseif ( ! empty( $media_id ) ) {
2397 $media_ids[ $i ] = $media_id;
2398 }
2399
2400 ++$i;
2401 }
2402 }
2403
2404 if ( ! empty( $media_attrs ) ) {
2405 foreach ( $media_ids as $index => $media_id ) {
2406 if ( empty( $media_attrs[ $index ] ) ) {
2407 continue;
2408 }
2409
2410 $attrs = $media_attrs[ $index ];
2411 $insert = array();
2412
2413 // Attributes: Title, Caption, Description.
2414
2415 if ( isset( $attrs['title'] ) ) {
2416 $insert['post_title'] = $attrs['title'];
2417 }
2418
2419 if ( isset( $attrs['caption'] ) ) {
2420 $insert['post_excerpt'] = $attrs['caption'];
2421 }
2422
2423 if ( isset( $attrs['description'] ) ) {
2424 $insert['post_content'] = $attrs['description'];
2425 }
2426
2427 if ( ! empty( $insert ) ) {
2428 $insert['ID'] = $media_id;
2429 wp_update_post( (object) $insert );
2430 }
2431
2432 // Attributes: Alt.
2433
2434 if ( isset( $attrs['alt'] ) ) {
2435 $alt = wp_strip_all_tags( $attrs['alt'], true );
2436 update_post_meta( $media_id, '_wp_attachment_image_alt', $alt );
2437 }
2438
2439 // Attributes: Artist, Album.
2440
2441 $id3_meta = array();
2442
2443 foreach ( array( 'artist', 'album' ) as $key ) {
2444 if ( isset( $attrs[ $key ] ) ) {
2445 $id3_meta[ $key ] = wp_strip_all_tags( $attrs[ $key ], true );
2446 }
2447 }
2448
2449 if ( ! empty( $id3_meta ) ) {
2450 // Before updating metadata, ensure that the item is audio.
2451 $item = $this->get_media_item_v1_1( $media_id );
2452 if ( str_starts_with( $item->mime_type, 'audio/' ) ) {
2453 wp_update_attachment_metadata( $media_id, $id3_meta );
2454 }
2455 }
2456
2457 // Attributes: Meta
2458 if ( isset( $attrs['meta'] ) && isset( $attrs['meta']['vertical_id'] ) ) {
2459 update_post_meta( $media_id, 'vertical_id', $attrs['meta']['vertical_id'] );
2460 }
2461 }
2462 }
2463
2464 return array(
2465 'media_ids' => $media_ids,
2466 'errors' => $errors,
2467 );
2468 }
2469
2470 /**
2471 * Handle a media sideload.
2472 *
2473 * @param string $url URL.
2474 * @param int $parent_post_id Parent post ID.
2475 * @param string $type Type.
2476 * @return int|WP_Error|false Media post ID, or error, or false if nothing was sideloaded.
2477 */
2478 public function handle_media_sideload( $url, $parent_post_id = 0, $type = 'any' ) {
2479 if ( ! function_exists( 'download_url' ) || ! function_exists( 'media_handle_sideload' ) ) {
2480 return false;
2481 }
2482
2483 // if we didn't get a URL, let's bail.
2484 $parsed = wp_parse_url( $url );
2485 if ( empty( $parsed ) ) {
2486 return false;
2487 }
2488
2489 $tmp = download_url( $url );
2490 if ( is_wp_error( $tmp ) ) {
2491 return $tmp;
2492 }
2493
2494 // First check to see if we get a mime-type match by file, otherwise, check to
2495 // see if WordPress supports this file as an image. If neither, then it is not supported.
2496 if ( ! $this->is_file_supported_for_sideloading( $tmp ) || 'image' === $type && ! file_is_displayable_image( $tmp ) ) {
2497 @unlink( $tmp ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
2498 return new WP_Error( 'invalid_input', 'Invalid file type.', 403 );
2499 }
2500
2501 // emulate a $_FILES entry.
2502 $file_array = array(
2503 'name' => basename( wp_parse_url( $url, PHP_URL_PATH ) ),
2504 'tmp_name' => $tmp,
2505 );
2506
2507 $id = media_handle_sideload( $file_array, $parent_post_id );
2508 if ( file_exists( $tmp ) ) {
2509 @unlink( $tmp ); // phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
2510 }
2511
2512 if ( is_wp_error( $id ) ) {
2513 return $id;
2514 }
2515
2516 if ( ! $id || ! is_int( $id ) ) {
2517 return false;
2518 }
2519
2520 return $id;
2521 }
2522
2523 /**
2524 * Checks that the mime type of the specified file is among those in a filterable list of mime types.
2525 *
2526 * @param string $file Path to file to get its mime type.
2527 *
2528 * @return bool
2529 */
2530 protected function is_file_supported_for_sideloading( $file ) {
2531 return jetpack_is_file_supported_for_sideloading( $file );
2532 }
2533
2534 /**
2535 * Filter for `upload_mimes`.
2536 *
2537 * @param array $mimes Allowed mime types.
2538 * @return array Allowed mime types.
2539 */
2540 public function allow_video_uploads( $mimes ) {
2541 // if we are on Jetpack, bail - Videos are already allowed.
2542 if ( ! defined( 'IS_WPCOM' ) || ! IS_WPCOM ) {
2543 return $mimes;
2544 }
2545
2546 // extra check that this filter is only ever applied during REST API requests.
2547 if ( ! defined( 'REST_API_REQUEST' ) || ! REST_API_REQUEST ) {
2548 return $mimes;
2549 }
2550
2551 // bail early if they already have the upgrade..
2552 if ( wpcom_site_has_videopress() ) {
2553 return $mimes;
2554 }
2555
2556 // lets whitelist to only specific clients right now.
2557 $clients_allowed_video_uploads = array();
2558 /**
2559 * Filter the list of whitelisted video clients.
2560 *
2561 * @module json-api
2562 *
2563 * @since 3.2.0
2564 *
2565 * @param array $clients_allowed_video_uploads Array of whitelisted Video clients.
2566 */
2567 $clients_allowed_video_uploads = apply_filters( 'rest_api_clients_allowed_video_uploads', $clients_allowed_video_uploads );
2568 if ( ! isset( $this->api->token_details['client_id'] ) || ! in_array( $this->api->token_details['client_id'], $clients_allowed_video_uploads, true ) ) {
2569 return $mimes;
2570 }
2571
2572 $mime_list = wp_get_mime_types();
2573
2574 $video_exts = explode( ' ', get_site_option( 'video_upload_filetypes', false, false ) );
2575 /**
2576 * Filter the video filetypes allowed on the site.
2577 *
2578 * @module json-api
2579 *
2580 * @since 3.2.0
2581 *
2582 * @param array $video_exts Array of video filetypes allowed on the site.
2583 */
2584 $video_exts = apply_filters( 'video_upload_filetypes', $video_exts );
2585 $video_mimes = array();
2586
2587 if ( ! empty( $video_exts ) ) {
2588 foreach ( $video_exts as $ext ) {
2589 foreach ( $mime_list as $ext_pattern => $mime ) {
2590 if ( '' !== $ext && str_contains( $ext_pattern, $ext ) ) {
2591 $video_mimes[ $ext_pattern ] = $mime;
2592 }
2593 }
2594 }
2595
2596 $mimes = array_merge( $mimes, $video_mimes );
2597 }
2598
2599 return $mimes;
2600 }
2601
2602 /**
2603 * Is the current site multi-user?
2604 *
2605 * @return bool
2606 */
2607 public function is_current_site_multi_user() {
2608 $users = wp_cache_get( 'site_user_count', 'WPCOM_JSON_API_Endpoint' );
2609 if ( false === $users ) {
2610 $user_query = new WP_User_Query(
2611 array(
2612 'blog_id' => get_current_blog_id(),
2613 'fields' => 'ID',
2614 )
2615 );
2616 $users = (int) $user_query->get_total();
2617 wp_cache_set( 'site_user_count', $users, 'WPCOM_JSON_API_Endpoint', DAY_IN_SECONDS );
2618 }
2619 return $users > 1;
2620 }
2621
2622 /**
2623 * Whether cross-origin requests are allowed.
2624 *
2625 * @return bool
2626 */
2627 public function allows_cross_origin_requests() {
2628 return 'GET' === $this->method || $this->allow_cross_origin_request;
2629 }
2630
2631 /**
2632 * Whether unauthorized requests are allowed.
2633 *
2634 * @param string $origin Origin.
2635 * @param string[] $complete_access_origins Access origins.
2636 * @return bool
2637 */
2638 public function allows_unauthorized_requests( $origin, $complete_access_origins ) {
2639 return 'GET' === $this->method || ( $this->allow_unauthorized_request && in_array( $origin, $complete_access_origins, true ) );
2640 }
2641
2642 /**
2643 * Whether this endpoint accepts site based authentication for the current request.
2644 *
2645 * @since 9.1.0
2646 *
2647 * @return bool true, if Jetpack blog token is used and `allow_jetpack_site_auth` is true,
2648 * false otherwise.
2649 */
2650 public function accepts_site_based_authentication() {
2651 return $this->allow_jetpack_site_auth &&
2652 $this->api->is_jetpack_authorized_for_site();
2653 }
2654
2655 /**
2656 * Get platform.
2657 *
2658 * @return WPORG_Platform
2659 */
2660 public function get_platform() {
2661 return wpcom_get_sal_platform( $this->api->token_details );
2662 }
2663
2664 /**
2665 * Allows the endpoint to perform logic to allow it to decide whether-or-not it should force a
2666 * response from the WPCOM API, or potentially go to the Jetpack blog.
2667 *
2668 * Override this method if you want to do something different.
2669 *
2670 * @param int $blog_id Blog ID.
2671 * @return bool
2672 */
2673 public function force_wpcom_request( $blog_id ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
2674 return false;
2675 }
2676
2677 /**
2678 * Get an array of all valid AMP origins for a blog's siteurl.
2679 *
2680 * @param string $siteurl Origin url of the API request.
2681 * @return array
2682 */
2683 public function get_amp_cache_origins( $siteurl ) {
2684 $host = wp_parse_url( $siteurl, PHP_URL_HOST );
2685
2686 /*
2687 * From AMP docs:
2688 * "When possible, the Google AMP Cache will create a subdomain for each AMP document's domain by first converting it
2689 * from IDN (punycode) to UTF-8. The caches replaces every - (dash) with -- (2 dashes) and replace every . (dot) with
2690 * - (dash). For example, pub.com will map to pub-com.cdn.ampproject.org."
2691 */
2692 if ( function_exists( 'idn_to_utf8' ) ) {
2693 // The third parameter is set explicitly to prevent issues with newer PHP versions compiled with an old ICU version.
2694 $variant = defined( 'INTL_IDNA_VARIANT_UTS46' )
2695 ? INTL_IDNA_VARIANT_UTS46
2696 // phpcs:ignore PHPCompatibility.Constants.RemovedConstants.intl_idna_variant_2003Deprecated, PHPCompatibility.Constants.RemovedConstants.intl_idna_variant_2003DeprecatedRemoved
2697 : INTL_IDNA_VARIANT_2003; // @phan-suppress-current-line PhanUndeclaredConstant
2698 $host = idn_to_utf8( $host, IDNA_DEFAULT, $variant );
2699 }
2700 $subdomain = str_replace( array( '-', '.' ), array( '--', '-' ), $host );
2701 return array(
2702 $siteurl,
2703 // Google AMP Cache (legacy).
2704 'https://cdn.ampproject.org',
2705 // Google AMP Cache subdomain.
2706 sprintf( 'https://%s.cdn.ampproject.org', $subdomain ),
2707 // Cloudflare AMP Cache.
2708 sprintf( 'https://%s.amp.cloudflare.com', $subdomain ),
2709 // Bing AMP Cache.
2710 sprintf( 'https://%s.bing-amp.com', $subdomain ),
2711 );
2712 }
2713
2714 /**
2715 * Register a REST route for this jsonAPI endpoint.
2716 *
2717 * @return void
2718 * @throws Exception The exception if something goes wrong.
2719 */
2720 public function create_rest_route_for_endpoint() {
2721 register_rest_route(
2722 static::REST_NAMESPACE,
2723 $this->build_rest_route(),
2724 array(
2725 'methods' => $this->method,
2726 'callback' => array( $this, 'rest_callback' ),
2727 'permission_callback' => array( $this, 'rest_permission_callback' ),
2728 )
2729 );
2730 }
2731
2732 /**
2733 * Handle the rest call.
2734 *
2735 * @param WP_REST_Request $request The request object.
2736 *
2737 * @return mixed|WP_Error
2738 */
2739 public function rest_callback( WP_REST_Request $request ) {
2740 // phpcs:ignore WordPress.PHP.IniSet.display_errors_Disallowed -- Making sure random warnings don't break JSON.
2741 ini_set( 'display_errors', false );
2742
2743 $blog_id = Jetpack_Options::get_option( 'id' );
2744
2745 add_filter( 'user_can_richedit', '__return_true' );
2746 add_filter( 'comment_edit_pre', array( $this->api, 'comment_edit_pre' ) );
2747
2748 $this->api->initialize();
2749 $this->api->endpoint = $this;
2750
2751 $this->api->path = $this->path;
2752 $this->api->version = $this->max_version;
2753
2754 $locale = $request->get_param( 'language' );
2755 if ( $locale ) {
2756 $this->api->init_locale( $locale );
2757 }
2758
2759 if ( $this->in_testing && ! WPCOM_JSON_API__DEBUG ) {
2760 return new WP_Error( 'endpoint_not_available' );
2761 }
2762
2763 $token_data = ( new Manager() )->verify_xml_rpc_signature();
2764 if ( ! $token_data || empty( $token_data['token_key'] ) || ! array_key_exists( 'user_id', $token_data ) ) {
2765 return new WP_Error( 'response_signature_error' );
2766 }
2767
2768 $token = ( new Tokens() )->get_access_token( $token_data['user_id'], $token_data['token_key'] );
2769 if ( is_wp_error( $token ) ) {
2770 return $token;
2771 }
2772 if ( ! $token ) {
2773 return new WP_Error( 'response_signature_error' );
2774 }
2775
2776 /** This action is documented in class.json-api.php */
2777 do_action( 'wpcom_json_api_output', $this->stat );
2778
2779 $response = call_user_func_array(
2780 array( $this, 'callback' ),
2781 array_values( array( $this->path, $blog_id ) + $request->get_url_params() )
2782 );
2783
2784 // @phan-suppress-next-line PhanImpossibleCondition -- Phan is confused.
2785 if ( ! $response && ! is_array( $response ) ) {
2786 // Dealing with empty non-array response.
2787 $response = new WP_Error( 'empty_response', 'Endpoint response is empty', 500 );
2788 }
2789
2790 $status_code = 200;
2791
2792 if ( is_wp_error( $response ) ) {
2793 $status_code = 500;
2794
2795 if ( $response->get_error_data() && is_scalar( $response->get_error_data() )
2796 && (string) (int) $response->get_error_data() === (string) $response->get_error_data()
2797 ) {
2798 $status_code = (int) $response->get_error_data();
2799 }
2800
2801 $response = WPCOM_JSON_API::serializable_error( $response );
2802 }
2803
2804 if ( $request->get_param( 'http_envelope' ) ) {
2805 $response = WPCOM_JSON_API::wrap_http_envelope( $status_code, $response, 'application/json' );
2806 }
2807
2808 $response = wp_json_encode( $response );
2809
2810 $nonce = wp_generate_password( 10, false );
2811 $hmac = hash_hmac( 'sha1', $nonce . $response, $token->secret );
2812
2813 return array(
2814 $response,
2815 (string) $nonce,
2816 (string) $hmac,
2817 );
2818 }
2819
2820 /**
2821 * The REST endpoint should only be available for requests signed with a valid blog or user token.
2822 * Declaring it "final" so individual endpoints couldn't remove this requirement.
2823 *
2824 * If you need to add custom permissions to individual endpoints, you can override method `rest_permission_callback_custom()`.
2825 *
2826 * @see self::rest_permission_callback_custom()
2827 *
2828 * @return true|WP_Error
2829 */
2830 final public function rest_permission_callback() {
2831 $manager = new Manager( 'jetpack' );
2832 if ( ! $manager->is_connected() ) {
2833 return new WP_Error( 'site_not_connected' );
2834 }
2835
2836 if ( ( ( $this->allow_jetpack_site_auth || $this->allow_fallback_to_jetpack_blog_token ) && Rest_Authentication::is_signed_with_blog_token() )
2837 || ( get_current_user_id() && Rest_Authentication::is_signed_with_user_token() )
2838 ) {
2839 $custom_permission_result = $this->rest_permission_callback_custom();
2840
2841 // Successful custom permission check.
2842 if ( $custom_permission_result === true ) {
2843 return true;
2844 }
2845
2846 // Custom permission check errored, returning the error.
2847 if ( is_wp_error( $custom_permission_result ) ) {
2848 return $custom_permission_result;
2849 }
2850
2851 // Custom permission check failed, but didn't return a specific error. Proceed to returning the generic error.
2852 }
2853
2854 $message = esc_html__(
2855 'You do not have the correct user permissions to perform this action. Please contact your site admin if you think this is a mistake.',
2856 'jetpack'
2857 );
2858 return new WP_Error( 'rest_api_invalid_permission', $message, array( 'status' => rest_authorization_required_code() ) );
2859 }
2860
2861 /**
2862 * You can override this method in individual endpoints to add custom permission checks.
2863 * This will run on top of `rest_permission_callback()`.
2864 *
2865 * @see self::rest_permission_callback()
2866 *
2867 * @return true|WP_Error
2868 */
2869 public function rest_permission_callback_custom() {
2870 return true;
2871 }
2872
2873 /**
2874 * Build the REST endpoint URL.
2875 *
2876 * @return string
2877 */
2878 public function build_rest_route() {
2879 $version_prefix = $this->max_version ? 'v' . $this->max_version : '';
2880 return $version_prefix . $this->rest_route;
2881 }
2882
2883 /**
2884 * Get Jetpack Version where support for the endpoint was introduced.
2885 *
2886 * @return string
2887 */
2888 public function get_rest_min_jp_version() {
2889 return $this->rest_min_jp_version;
2890 }
2891
2892 /**
2893 * Return endpoint response
2894 *
2895 * @param string $path ... determined by ->$path.
2896 *
2897 * @return array|WP_Error
2898 * falsy: HTTP 500, no response body
2899 * WP_Error( $error_code, $error_message, $http_status_code ): HTTP $status_code, json_encode( array( 'error' => $error_code, 'message' => $error_message ) ) response body
2900 * $data: HTTP 200, json_encode( $data ) response body
2901 */
2902 abstract public function callback( $path = '' );
2903 }
2904
2905 require_once __DIR__ . '/json-endpoints.php';
2906