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Jetpack – WP Security, Backup, Speed, & Growth v16.3
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← All changes | json-endpoints/class.wpcom-json-api-list-posts-v1-2-endpoint.php +504 -0 16.2-beta → 16.3 View file →
@@ -1,0 +1,504 @@
1 +<?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName
2 +
3 +if ( ! defined( 'ABSPATH' ) ) {
4 + exit( 0 );
5 +}
6 +
7 +/**
8 + * List posts v1_2 endpoint.
9 + */
10 +new WPCOM_JSON_API_List_Posts_v1_2_Endpoint(
11 + array(
12 + 'description' => 'Get a list of matching posts.',
13 + 'min_version' => '1.2',
14 + 'max_version' => '1.2',
15 +
16 + 'group' => 'posts',
17 + 'stat' => 'posts',
18 +
19 + 'method' => 'GET',
20 + 'path' => '/sites/%s/posts/',
21 + 'path_labels' => array(
22 + '$site' => '(int|string) Site ID or domain',
23 + ),
24 + 'rest_route' => '/posts',
25 + 'rest_min_jp_version' => '15.9',
26 +
27 + 'allow_fallback_to_jetpack_blog_token' => true,
28 +
29 + 'query_parameters' => array(
30 + 'number' => '(int=20) The number of posts to return. Limit: 100.',
31 + 'offset' => '(int=0) 0-indexed offset.',
32 + 'page' => '(int) Return the Nth 1-indexed page of posts. Takes precedence over the <code>offset</code> parameter.',
33 + 'page_handle' => '(string) A page handle, returned from a previous API call as a <code>meta.next_page</code> property. This is the most efficient way to fetch the next page of results.',
34 + 'order' => array(
35 + 'DESC' => 'Return posts in descending order. For dates, that means newest to oldest.',
36 + 'ASC' => 'Return posts in ascending order. For dates, that means oldest to newest.',
37 + ),
38 + 'order_by' => array(
39 + 'date' => 'Order by the created time of each post.',
40 + 'modified' => 'Order by the modified time of each post.',
41 + 'title' => "Order lexicographically by the posts' titles.",
42 + 'comment_count' => 'Order by the number of comments for each post.',
43 + 'ID' => 'Order by post ID.',
44 + ),
45 + 'after' => '(ISO 8601 datetime) Return posts dated after the specified datetime.',
46 + 'before' => '(ISO 8601 datetime) Return posts dated before the specified datetime.',
47 + 'modified_after' => '(ISO 8601 datetime) Return posts modified after the specified datetime.',
48 + 'modified_before' => '(ISO 8601 datetime) Return posts modified before the specified datetime.',
49 + 'tag' => '(string) Specify the tag name or slug.',
50 + 'category' => '(string) Specify the category name or slug.',
51 + 'term' => '(object:string) Specify comma-separated term slugs to search within, indexed by taxonomy slug.',
52 + 'type' => "(string) Specify the post type. Defaults to 'post', use 'any' to query for both posts and pages. Post types besides post and page need to be whitelisted using the <code>rest_api_allowed_post_types</code> filter.",
53 + 'exclude_private_types' => '(bool=false) Use this flag together with `type=any` to get only publicly accessible posts.',
54 + 'parent_id' => '(int) Returns only posts which are children of the specified post. Applies only to hierarchical post types.',
55 + 'include' => '(array:int|int) Includes the specified post ID(s) in the response',
56 + 'exclude' => '(array:int|int) Excludes the specified post ID(s) from the response',
57 + 'exclude_tree' => '(int) Excludes the specified post and all of its descendants from the response. Applies only to hierarchical post types.',
58 + 'status' => '(string) Comma-separated list of statuses for which to query, including any of: "publish", "private", "draft", "pending", "future", and "trash", or simply "any". Defaults to "publish"',
59 + 'sticky' => array(
60 + 'include' => 'Sticky posts are not excluded from the list.',
61 + 'exclude' => 'Sticky posts are excluded from the list.',
62 + 'require' => 'Only include sticky posts',
63 + ),
64 + 'author' => "(int) Author's user ID",
65 + 'search' => '(string) Search query',
66 + 'meta_key' => '(string) Metadata key that the post should contain',
67 + 'meta_value' => '(string) Metadata value that the post should contain. Will only be applied if a `meta_key` is also given',
68 + ),
69 +
70 + 'example_request' => 'https://public-api.wordpress.com/rest/v1.2/sites/en.blog.wordpress.com/posts/?number=2',
71 + )
72 +);
73 +
74 +/**
75 + * List posts v1_2 endpoint.
76 + *
77 + * /sites/%s/posts/ -> $blog_id
78 + *
79 + * @phan-constructor-used-for-side-effects
80 + */
81 +class WPCOM_JSON_API_List_Posts_v1_2_Endpoint extends WPCOM_JSON_API_List_Posts_v1_1_Endpoint { // phpcs:ignore
82 +
83 + /**
84 + * API callback.
85 + *
86 + * @param string $path - the path.
87 + * @param string $blog_id - the blog ID.
88 + */
89 + public function callback( $path = '', $blog_id = 0 ) {
90 + $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
91 + if ( is_wp_error( $blog_id ) ) {
92 + return $blog_id;
93 + }
94 +
95 + $args = $this->query_args();
96 + $is_eligible_for_page_handle = true;
97 + $site = $this->get_platform()->get_site( $blog_id );
98 +
99 + if ( $args['number'] < 1 ) {
100 + $args['number'] = 20;
101 + } elseif ( 100 < $args['number'] ) {
102 + return new WP_Error( 'invalid_number', 'The NUMBER parameter must be less than or equal to 100.', 400 );
103 + }
104 +
105 + if ( isset( $args['type'] ) ) {
106 + // load all types on WPCOM, unless only built-in ones are requested.
107 + if ( defined( 'IS_WPCOM' ) && IS_WPCOM && ! in_array( $args['type'], array( 'post', 'revision', 'page' ), true ) ) {
108 + $this->load_theme_functions();
109 + }
110 +
111 + if ( ! $site->is_post_type_allowed( $args['type'] ) ) {
112 + return new WP_Error( 'unknown_post_type', 'Unknown post type', 404 );
113 + }
114 +
115 + // Normalize post_type.
116 + if ( 'any' === $args['type'] ) {
117 + $whitelisted_post_types = $site->get_whitelisted_post_types();
118 +
119 + if ( ! empty( $args['exclude_private_types'] ) ) {
120 + $public_post_types = get_post_types( array( 'public' => true ) );
121 + $args['type'] = array_intersect( $public_post_types, $whitelisted_post_types );
122 + } else {
123 + $args['type'] = $whitelisted_post_types;
124 + }
125 + }
126 + } else {
127 + // let's be explicit about defaulting to 'post'.
128 + $args['type'] = 'post';
129 + }
130 +
131 + // make sure the user can read or edit the requested post type(s).
132 + if ( is_array( $args['type'] ) ) {
133 + $allowed_types = array();
134 + foreach ( $args['type'] as $post_type ) {
135 + if ( $site->current_user_can_access_post_type( $post_type, $args['context'] ) ) {
136 + $allowed_types[] = $post_type;
137 + }
138 + }
139 +
140 + if ( empty( $allowed_types ) ) {
141 + return array(
142 + 'found' => 0,
143 + 'posts' => array(),
144 + );
145 + }
146 + $args['type'] = $allowed_types;
147 + } elseif ( ! $site->current_user_can_access_post_type( $args['type'], $args['context'] ) ) {
148 + return array(
149 + 'found' => 0,
150 + 'posts' => array(),
151 + );
152 + }
153 +
154 + // determine statuses.
155 + $status = ( ! empty( $args['status'] ) ) ? explode( ',', $args['status'] ) : array( 'publish' );
156 + if ( is_user_logged_in() ) {
157 + $statuses_whitelist = array(
158 + 'publish',
159 + 'pending',
160 + 'draft',
161 + 'future',
162 + 'private',
163 + 'trash',
164 + 'any',
165 + );
166 + $status = array_intersect( $status, $statuses_whitelist );
167 + } else {
168 + // logged-out users can see only published posts.
169 + $statuses_whitelist = array( 'publish', 'any' );
170 + $status = array_intersect( $status, $statuses_whitelist );
171 +
172 + if ( empty( $status ) ) {
173 + // requested only protected statuses? nothing for you here.
174 + return array(
175 + 'found' => 0,
176 + 'posts' => array(),
177 + );
178 + }
179 + // clear it (AKA published only) because "any" includes protected.
180 + $status = array();
181 + }
182 +
183 + $query = array(
184 + 'posts_per_page' => $args['number'],
185 + 'order' => $args['order'],
186 + 'orderby' => $args['order_by'],
187 + 'post_type' => $args['type'],
188 + 'post_status' => $status,
189 + 'post_parent' => $args['parent_id'] ?? null,
190 + 'author' => isset( $args['author'] ) && 0 < $args['author'] ? $args['author'] : null,
191 + 's' => isset( $args['search'] ) && '' !== $args['search'] ? $args['search'] : null,
192 + 'fields' => 'ids',
193 + );
194 +
195 + if ( ! is_user_logged_in() ) {
196 + $query['has_password'] = false;
197 + }
198 +
199 + if ( isset( $args['include'] ) ) {
200 + $query['post__in'] = is_array( $args['include'] ) ? $args['include'] : array( (int) $args['include'] );
201 + }
202 +
203 + if ( isset( $args['meta_key'] ) ) {
204 + $show = false;
205 + if ( WPCOM_JSON_API_Metadata::is_public( $args['meta_key'] ) ) {
206 + $show = true;
207 + }
208 + if ( current_user_can( 'edit_post_meta', $query['post_type'], $args['meta_key'] ) ) {
209 + $show = true;
210 + }
211 +
212 + if ( is_protected_meta( $args['meta_key'], 'post' ) && ! $show ) {
213 + return new WP_Error( 'invalid_meta_key', 'Invalid meta key', 404 );
214 + }
215 +
216 + $meta = array( 'key' => $args['meta_key'] );
217 + if ( isset( $args['meta_value'] ) ) {
218 + $meta['value'] = $args['meta_value'];
219 + }
220 +
221 + $query['meta_query'] = array( $meta );
222 + }
223 +
224 + if ( 'include' === $args['sticky'] ) {
225 + $query['ignore_sticky_posts'] = 1;
226 + } elseif ( 'exclude' === $args['sticky'] ) {
227 + $sticky = get_option( 'sticky_posts' );
228 + if ( is_array( $sticky ) ) {
229 + $query['post__not_in'] = $sticky;
230 + }
231 + } elseif ( 'require' === $args['sticky'] ) {
232 + $sticky = get_option( 'sticky_posts' );
233 + if ( is_array( $sticky ) && ! empty( $sticky ) ) {
234 + $query['post__in'] = isset( $args['include'] ) ? array_merge( $query['post__in'], $sticky ) : $sticky;
235 + } else {
236 + // no sticky posts exist.
237 + return array(
238 + 'found' => 0,
239 + 'posts' => array(),
240 + );
241 + }
242 + }
243 +
244 + if ( isset( $args['exclude'] ) ) {
245 + $excluded_ids = (array) $args['exclude'];
246 + $query['post__not_in'] = isset( $query['post__not_in'] ) ? array_merge( $query['post__not_in'], $excluded_ids ) : $excluded_ids;
247 + }
248 +
249 + if ( isset( $args['exclude_tree'] ) && is_post_type_hierarchical( $args['type'] ) ) {
250 + // get_page_children is a misnomer; it supports all hierarchical post types.
251 + $page_args = array(
252 + 'child_of' => $args['exclude_tree'],
253 + 'post_type' => $args['type'],
254 + // since we're looking for things to exclude, be aggressive.
255 + 'post_status' => 'publish,draft,pending,private,future,trash',
256 + );
257 + $post_descendants = get_pages( $page_args );
258 +
259 + $exclude_tree = array( $args['exclude_tree'] );
260 + foreach ( $post_descendants as $child ) {
261 + $exclude_tree[] = $child->ID;
262 + }
263 +
264 + $query['post__not_in'] = isset( $query['post__not_in'] ) ? array_merge( $query['post__not_in'], $exclude_tree ) : $exclude_tree;
265 + }
266 +
267 + if ( isset( $args['category'] ) ) {
268 + $category = get_term_by( 'slug', $args['category'], 'category' );
269 + if ( false === $category ) {
270 + $query['category_name'] = $args['category'];
271 + } else {
272 + $query['cat'] = $category->term_id;
273 + }
274 + }
275 +
276 + if ( isset( $args['tag'] ) ) {
277 + $query['tag'] = $args['tag'];
278 + }
279 +
280 + if ( ! empty( $args['term'] ) ) {
281 + $query['tax_query'] = array();
282 + foreach ( $args['term'] as $taxonomy => $slug ) {
283 + $taxonomy_object = get_taxonomy( $taxonomy );
284 + if ( false === $taxonomy_object || ( ! $taxonomy_object->public &&
285 + ! current_user_can( $taxonomy_object->cap->assign_terms ) ) ) {
286 + continue;
287 + }
288 +
289 + $query['tax_query'][] = array(
290 + 'taxonomy' => $taxonomy,
291 + 'field' => 'slug',
292 + 'terms' => explode( ',', $slug ),
293 + );
294 + }
295 + }
296 +
297 + if ( isset( $args['page'] ) ) {
298 + if ( $args['page'] < 1 ) {
299 + $args['page'] = 1;
300 + }
301 +
302 + $query['paged'] = $args['page'];
303 + if ( 1 !== $query['paged'] ) {
304 + $is_eligible_for_page_handle = false;
305 + }
306 + } else {
307 + if ( $args['offset'] < 0 ) {
308 + $args['offset'] = 0;
309 + }
310 +
311 + $query['offset'] = $args['offset'];
312 + if ( 0 !== $query['offset'] ) {
313 + $is_eligible_for_page_handle = false;
314 + }
315 + }
316 +
317 + if ( isset( $args['before'] ) ) {
318 + $this->date_range['before'] = $args['before'];
319 + }
320 + if ( isset( $args['after'] ) ) {
321 + $this->date_range['after'] = $args['after'];
322 + }
323 +
324 + if ( isset( $args['modified_before_gmt'] ) ) {
325 + $this->modified_range['before'] = $args['modified_before_gmt'];
326 + }
327 + if ( isset( $args['modified_after_gmt'] ) ) {
328 + $this->modified_range['after'] = $args['modified_after_gmt'];
329 + }
330 +
331 + if ( $this->date_range ) {
332 + add_filter( 'posts_where', array( $this, 'handle_date_range' ) );
333 + }
334 +
335 + if ( $this->modified_range ) {
336 + add_filter( 'posts_where', array( $this, 'handle_modified_range' ) );
337 + }
338 +
339 + if ( isset( $args['page_handle'] ) ) {
340 + $page_handle = wp_parse_args( $args['page_handle'] );
341 + if ( isset( $page_handle['value'] ) && isset( $page_handle['id'] ) ) {
342 + // we have a valid looking page handle.
343 + $this->page_handle = $page_handle;
344 + add_filter( 'posts_where', array( $this, 'handle_where_for_page_handle' ) );
345 + }
346 + }
347 +
348 + /**
349 + * 'column' necessary for the me/posts endpoint (which extends sites/$site/posts).
350 + * Would need to be added to the sites/$site/posts definition if we ever want to
351 + * use it there.
352 + */
353 + $column_whitelist = array( 'post_modified_gmt' );
354 + if ( isset( $args['column'] ) && in_array( $args['column'], $column_whitelist, true ) ) {
355 + $query['column'] = $args['column'];
356 + }
357 +
358 + $this->performed_query = $query;
359 + add_filter( 'posts_orderby', array( $this, 'handle_orderby_for_page_handle' ) );
360 +
361 + $wp_query = new WP_Query( $query );
362 +
363 + remove_filter( 'posts_orderby', array( $this, 'handle_orderby_for_page_handle' ) );
364 +
365 + if ( $this->date_range ) {
366 + remove_filter( 'posts_where', array( $this, 'handle_date_range' ) );
367 + $this->date_range = array();
368 + }
369 +
370 + if ( $this->modified_range ) {
371 + remove_filter( 'posts_where', array( $this, 'handle_modified_range' ) );
372 + $this->modified_range = array();
373 + }
374 +
375 + if ( $this->page_handle ) {
376 + remove_filter( 'posts_where', array( $this, 'handle_where_for_page_handle' ) );
377 +
378 + }
379 +
380 + $return = array();
381 + $excluded_count = 0;
382 + foreach ( array_keys( $this->response_format ) as $key ) {
383 + switch ( $key ) {
384 + case 'found':
385 + $return[ $key ] = (int) $wp_query->found_posts;
386 + break;
387 + case 'posts':
388 + $posts = array();
389 + foreach ( $wp_query->posts as $post_ID ) {
390 + $the_post = $this->get_post_by( 'ID', $post_ID, $args['context'] );
391 + if ( $the_post && ! is_wp_error( $the_post ) ) {
392 + $posts[] = $the_post;
393 + } else {
394 + ++$excluded_count;
395 + }
396 + }
397 +
398 + if ( $posts ) {
399 + /** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */
400 + do_action( 'wpcom_json_api_objects', 'posts', count( $posts ) );
401 + }
402 +
403 + $return[ $key ] = $posts;
404 + break;
405 +
406 + case 'meta':
407 + if ( ! is_array( $args['type'] ) ) {
408 + $return[ $key ] = (object) array(
409 + 'links' => (object) array(
410 + 'counts' => (string) $this->links->get_site_link( $blog_id, 'post-counts/' . $args['type'] ),
411 + ),
412 + );
413 + }
414 +
415 + if ( $is_eligible_for_page_handle && $return['posts'] && is_array( $return['posts'] ) ) {
416 + $last_post = end( $return['posts'] );
417 + reset( $return['posts'] );
418 + $post_count = is_countable( $return['posts'] ) ? count( $return['posts'] ) : 0;
419 + if ( ( $return['found'] > $post_count ) && $last_post ) {
420 + if ( ! isset( $return[ $key ] ) ) {
421 + $return[ $key ] = (object) array();
422 + }
423 +
424 + $handle = $this->build_page_handle( $last_post, $query );
425 + if ( $handle !== null ) {
426 + $return[ $key ]->next_page = $handle;
427 + }
428 + }
429 + }
430 +
431 + if ( defined( 'IS_WPCOM' ) && IS_WPCOM ) {
432 + if ( ! isset( $return[ $key ] ) ) {
433 + $return[ $key ] = new stdClass();
434 + }
435 + $return[ $key ]->wpcom = true;
436 + }
437 +
438 + break;
439 + }
440 + }
441 +
442 + $return['found'] -= $excluded_count;
443 +
444 + return $return;
445 + }
446 +
447 + /**
448 + * Build page handle.
449 + *
450 + * @param array $post - the post.
451 + * @param array $query - the query.
452 + */
453 + public function build_page_handle( $post, $query ) {
454 + $column = $query['orderby'];
455 + if ( ! $column ) {
456 + $column = 'date';
457 + }
458 + if ( ! isset( $post['ID'] ) || ! isset( $post[ $column ] ) ) {
459 + return null;
460 + }
461 + return build_query(
462 + array(
463 + 'value' => rawurlencode( $post[ $column ] ),
464 + 'id' => $post['ID'],
465 + )
466 + );
467 + }
468 +
469 + /**
470 + * Build the date range query.
471 + *
472 + * @param string $column - the database column.
473 + * @param array $range - the date range.
474 + * @param string $where - sql where clause.
475 + */
476 + public function build_date_range_query( $column, $range, $where ) {
477 + global $wpdb;
478 +
479 + switch ( count( $range ) ) {
480 + case 2:
481 + $where .= $wpdb->prepare(
482 + " AND `$wpdb->posts`.$column >= CAST( %s AS DATETIME ) AND `$wpdb->posts`.$column < CAST( %s AS DATETIME ) ", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
483 + $range['after'],
484 + $range['before']
485 + );
486 + break;
487 + case 1:
488 + if ( isset( $range['before'] ) ) {
489 + $where .= $wpdb->prepare(
490 + " AND `$wpdb->posts`.$column < CAST( %s AS DATETIME ) ", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
491 + $range['before']
492 + );
493 + } else {
494 + $where .= $wpdb->prepare(
495 + " AND `$wpdb->posts`.$column > CAST( %s AS DATETIME ) ", // phpcs:ignore WordPress.DB.PreparedSQL.InterpolatedNotPrepared
496 + $range['after']
497 + );
498 + }
499 + break;
500 + }
501 +
502 + return $where;
503 + }
504 +}