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| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | |
| 3 | if ( ! defined( 'ABSPATH' ) ) { |
| 4 | exit( 0 ); |
| 5 | } |
| 6 | |
| 7 | /** |
| 8 | * List posts endpoint. |
| 9 | */ |
| 10 | new WPCOM_JSON_API_List_Posts_Endpoint( |
| 11 | array( |
| 12 | 'description' => 'Get a list of matching posts.', |
| 13 | 'new_version' => '1.1', |
| 14 | 'max_version' => '1', |
| 15 | 'group' => 'posts', |
| 16 | 'stat' => 'posts', |
| 17 | |
| 18 | 'method' => 'GET', |
| 19 | 'path' => '/sites/%s/posts/', |
| 20 | 'path_labels' => array( |
| 21 | '$site' => '(int|string) Site ID or domain', |
| 22 | ), |
| 23 | 'rest_route' => '/posts', |
| 24 | 'rest_min_jp_version' => '14.5-a.2', |
| 25 | |
| 26 | 'allow_fallback_to_jetpack_blog_token' => true, |
| 27 | |
| 28 | 'query_parameters' => array( |
| 29 | 'number' => '(int=20) The number of posts to return. Limit: 100.', |
| 30 | 'offset' => '(int=0) 0-indexed offset.', |
| 31 | 'page' => '(int) Return the Nth 1-indexed page of posts. Takes precedence over the <code>offset</code> parameter.', |
| 32 | 'order' => array( |
| 33 | 'DESC' => 'Return posts in descending order. For dates, that means newest to oldest.', |
| 34 | 'ASC' => 'Return posts in ascending order. For dates, that means oldest to newest.', |
| 35 | ), |
| 36 | 'order_by' => array( |
| 37 | 'date' => 'Order by the created time of each post.', |
| 38 | 'modified' => 'Order by the modified time of each post.', |
| 39 | 'title' => "Order lexicographically by the posts' titles.", |
| 40 | 'comment_count' => 'Order by the number of comments for each post.', |
| 41 | 'ID' => 'Order by post ID.', |
| 42 | ), |
| 43 | 'after' => '(ISO 8601 datetime) Return posts dated on or after the specified datetime.', |
| 44 | 'before' => '(ISO 8601 datetime) Return posts dated on or before the specified datetime.', |
| 45 | 'tag' => '(string) Specify the tag name or slug.', |
| 46 | 'category' => '(string) Specify the category name or slug.', |
| 47 | 'term' => '(object:string) Specify comma-separated term slugs to search within, indexed by taxonomy slug.', |
| 48 | '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.", |
| 49 | 'parent_id' => '(int) Returns only posts which are children of the specified post. Applies only to hierarchical post types.', |
| 50 | 'include' => '(array:int|int) Includes the specified post ID(s) in the response', |
| 51 | 'exclude' => '(array:int|int) Excludes the specified post ID(s) from the response', |
| 52 | 'exclude_tree' => '(int) Excludes the specified post and all of its descendants from the response. Applies only to hierarchical post types.', |
| 53 | 'status' => array( |
| 54 | 'publish' => 'Return only published posts.', |
| 55 | 'private' => 'Return only private posts.', |
| 56 | 'draft' => 'Return only draft posts.', |
| 57 | 'pending' => 'Return only posts pending editorial approval.', |
| 58 | 'future' => 'Return only posts scheduled for future publishing.', |
| 59 | 'trash' => 'Return only posts in the trash.', |
| 60 | 'any' => 'Return all posts regardless of status.', |
| 61 | ), |
| 62 | 'sticky' => array( |
| 63 | 'false' => 'Post is not marked as sticky.', |
| 64 | 'true' => 'Stick the post to the front page.', |
| 65 | ), |
| 66 | 'author' => "(int) Author's user ID", |
| 67 | 'search' => '(string) Search query', |
| 68 | 'meta_key' => '(string) Metadata key that the post should contain', |
| 69 | 'meta_value' => '(string) Metadata value that the post should contain. Will only be applied if a `meta_key` is also given', |
| 70 | ), |
| 71 | |
| 72 | 'example_request' => 'https://public-api.wordpress.com/rest/v1/sites/en.blog.wordpress.com/posts/?number=5', |
| 73 | ) |
| 74 | ); |
| 75 | |
| 76 | /** |
| 77 | * List posts endpoint class. |
| 78 | * |
| 79 | * /sites/%s/posts/ -> $blog_id |
| 80 | * |
| 81 | * @phan-constructor-used-for-side-effects |
| 82 | */ |
| 83 | class WPCOM_JSON_API_List_Posts_Endpoint extends WPCOM_JSON_API_Post_Endpoint { |
| 84 | |
| 85 | /** |
| 86 | * The date range. |
| 87 | * |
| 88 | * @var array |
| 89 | */ |
| 90 | public $date_range = array(); |
| 91 | |
| 92 | /** |
| 93 | * The response format. |
| 94 | * |
| 95 | * @var array |
| 96 | */ |
| 97 | public $response_format = array( |
| 98 | 'found' => '(int) The total number of posts found that match the request (ignoring limits, offsets, and pagination).', |
| 99 | 'posts' => '(array:post) An array of post objects.', |
| 100 | ); |
| 101 | |
| 102 | /** |
| 103 | * API callback. |
| 104 | * |
| 105 | * @param string $path - the path. |
| 106 | * @param string $blog_id - the blog ID. |
| 107 | */ |
| 108 | public function callback( $path = '', $blog_id = 0 ) { |
| 109 | $blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) ); |
| 110 | if ( is_wp_error( $blog_id ) ) { |
| 111 | return $blog_id; |
| 112 | } |
| 113 | |
| 114 | $args = $this->query_args(); |
| 115 | |
| 116 | if ( $args['number'] < 1 ) { |
| 117 | $args['number'] = 20; |
| 118 | } elseif ( 100 < $args['number'] ) { |
| 119 | return new WP_Error( 'invalid_number', 'The NUMBER parameter must be less than or equal to 100.', 400 ); |
| 120 | } |
| 121 | |
| 122 | if ( isset( $args['type'] ) && ! $this->is_post_type_allowed( $args['type'] ) ) { |
| 123 | return new WP_Error( 'unknown_post_type', 'Unknown post type', 404 ); |
| 124 | } |
| 125 | |
| 126 | // Normalize post_type. |
| 127 | if ( isset( $args['type'] ) && 'any' === $args['type'] ) { |
| 128 | if ( version_compare( $this->api->version, '1.1', '<' ) ) { |
| 129 | $args['type'] = array( 'post', 'page' ); |
| 130 | } else { // 1.1+ |
| 131 | $args['type'] = $this->_get_whitelisted_post_types(); |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | // determine statuses. |
| 136 | $status = $args['status']; |
| 137 | $status = ( $status ) ? explode( ',', $status ) : array( 'publish' ); |
| 138 | if ( is_user_logged_in() ) { |
| 139 | $statuses_whitelist = array( |
| 140 | 'publish', |
| 141 | 'pending', |
| 142 | 'draft', |
| 143 | 'future', |
| 144 | 'private', |
| 145 | 'trash', |
| 146 | 'any', |
| 147 | ); |
| 148 | $status = array_intersect( $status, $statuses_whitelist ); |
| 149 | } else { |
| 150 | // logged-out users can see only published posts. |
| 151 | $statuses_whitelist = array( 'publish', 'any' ); |
| 152 | $status = array_intersect( $status, $statuses_whitelist ); |
| 153 | |
| 154 | if ( empty( $status ) ) { |
| 155 | // requested only protected statuses? nothing for you here. |
| 156 | return array( |
| 157 | 'found' => 0, |
| 158 | 'posts' => array(), |
| 159 | ); |
| 160 | } |
| 161 | // clear it (AKA published only) because "any" includes protected. |
| 162 | $status = array(); |
| 163 | } |
| 164 | |
| 165 | // let's be explicit about defaulting to 'post'. |
| 166 | $args['type'] = isset( $args['type'] ) ? $args['type'] : 'post'; |
| 167 | |
| 168 | // make sure the user can read or edit the requested post type(s). |
| 169 | if ( is_array( $args['type'] ) ) { |
| 170 | $allowed_types = array(); |
| 171 | foreach ( $args['type'] as $post_type ) { |
| 172 | if ( $this->current_user_can_access_post_type( $post_type, $args['context'] ) ) { |
| 173 | $allowed_types[] = $post_type; |
| 174 | } |
| 175 | } |
| 176 | |
| 177 | if ( empty( $allowed_types ) ) { |
| 178 | return array( |
| 179 | 'found' => 0, |
| 180 | 'posts' => array(), |
| 181 | ); |
| 182 | } |
| 183 | $args['type'] = $allowed_types; |
| 184 | } elseif ( ! $this->current_user_can_access_post_type( $args['type'], $args['context'] ) ) { |
| 185 | return array( |
| 186 | 'found' => 0, |
| 187 | 'posts' => array(), |
| 188 | ); |
| 189 | } |
| 190 | |
| 191 | $query = array( |
| 192 | 'posts_per_page' => $args['number'], |
| 193 | 'order' => $args['order'], |
| 194 | 'orderby' => $args['order_by'], |
| 195 | 'post_type' => $args['type'], |
| 196 | 'post_status' => $status, |
| 197 | 'post_parent' => isset( $args['parent_id'] ) ? $args['parent_id'] : null, |
| 198 | 'author' => isset( $args['author'] ) && 0 < $args['author'] ? $args['author'] : null, |
| 199 | 's' => isset( $args['search'] ) && '' !== $args['search'] ? $args['search'] : null, |
| 200 | 'fields' => 'ids', |
| 201 | ); |
| 202 | |
| 203 | if ( ! is_user_logged_in() ) { |
| 204 | $query['has_password'] = false; |
| 205 | } |
| 206 | |
| 207 | if ( isset( $args['include'] ) ) { |
| 208 | $query['post__in'] = is_array( $args['include'] ) ? $args['include'] : array( (int) $args['include'] ); |
| 209 | } |
| 210 | |
| 211 | if ( isset( $args['meta_key'] ) ) { |
| 212 | $show = false; |
| 213 | if ( WPCOM_JSON_API_Metadata::is_public( $args['meta_key'] ) ) { |
| 214 | $show = true; |
| 215 | } |
| 216 | if ( current_user_can( 'edit_post_meta', $query['post_type'], $args['meta_key'] ) ) { |
| 217 | $show = true; |
| 218 | } |
| 219 | |
| 220 | if ( is_protected_meta( $args['meta_key'], 'post' ) && ! $show ) { |
| 221 | return new WP_Error( 'invalid_meta_key', 'Invalid meta key', 404 ); |
| 222 | } |
| 223 | |
| 224 | $meta = array( 'key' => $args['meta_key'] ); |
| 225 | if ( isset( $args['meta_value'] ) ) { |
| 226 | $meta['value'] = $args['meta_value']; |
| 227 | } |
| 228 | |
| 229 | $query['meta_query'] = array( $meta ); |
| 230 | } |
| 231 | |
| 232 | $sticky = get_option( 'sticky_posts' ); |
| 233 | if ( |
| 234 | isset( $args['sticky'] ) |
| 235 | && |
| 236 | $sticky |
| 237 | && |
| 238 | is_array( $sticky ) |
| 239 | ) { |
| 240 | if ( $args['sticky'] ) { |
| 241 | $query['post__in'] = isset( $args['include'] ) ? array_merge( $query['post__in'], $sticky ) : $sticky; |
| 242 | } else { |
| 243 | $query['post__not_in'] = $sticky; |
| 244 | $query['ignore_sticky_posts'] = 1; |
| 245 | } |
| 246 | } else { |
| 247 | $query['post__not_in'] = $sticky; |
| 248 | $query['ignore_sticky_posts'] = 1; |
| 249 | } |
| 250 | |
| 251 | if ( isset( $args['exclude'] ) ) { |
| 252 | $query['post__not_in'] = array_merge( $query['post__not_in'], (array) $args['exclude'] ); |
| 253 | } |
| 254 | |
| 255 | if ( isset( $args['exclude_tree'] ) && is_post_type_hierarchical( $args['type'] ) ) { |
| 256 | // get_page_children is a misnomer; it supports all hierarchical post types. |
| 257 | $page_args = array( |
| 258 | 'child_of' => $args['exclude_tree'], |
| 259 | 'post_type' => $args['type'], |
| 260 | // since we're looking for things to exclude, be aggressive. |
| 261 | 'post_status' => 'publish,draft,pending,private,future,trash', |
| 262 | ); |
| 263 | $post_descendants = get_pages( $page_args ); |
| 264 | |
| 265 | $exclude_tree = array( $args['exclude_tree'] ); |
| 266 | foreach ( $post_descendants as $child ) { |
| 267 | $exclude_tree[] = $child->ID; |
| 268 | } |
| 269 | |
| 270 | $query['post__not_in'] = isset( $query['post__not_in'] ) ? array_merge( $query['post__not_in'], $exclude_tree ) : $exclude_tree; |
| 271 | } |
| 272 | |
| 273 | if ( isset( $args['category'] ) ) { |
| 274 | $category = get_term_by( 'slug', $args['category'], 'category' ); |
| 275 | if ( false === $category ) { |
| 276 | $query['category_name'] = $args['category']; |
| 277 | } else { |
| 278 | $query['cat'] = $category->term_id; |
| 279 | } |
| 280 | } |
| 281 | |
| 282 | if ( isset( $args['tag'] ) ) { |
| 283 | $query['tag'] = $args['tag']; |
| 284 | } |
| 285 | |
| 286 | if ( ! empty( $args['term'] ) ) { |
| 287 | $query['tax_query'] = array(); |
| 288 | foreach ( $args['term'] as $taxonomy => $slug ) { |
| 289 | $taxonomy_object = get_taxonomy( $taxonomy ); |
| 290 | if ( false === $taxonomy_object || ( ! $taxonomy_object->public && |
| 291 | ! current_user_can( $taxonomy_object->cap->assign_terms ) ) ) { |
| 292 | continue; |
| 293 | } |
| 294 | |
| 295 | $query['tax_query'][] = array( |
| 296 | 'taxonomy' => $taxonomy, |
| 297 | 'field' => 'slug', |
| 298 | 'terms' => explode( ',', $slug ), |
| 299 | ); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | if ( isset( $args['page'] ) ) { |
| 304 | if ( $args['page'] < 1 ) { |
| 305 | $args['page'] = 1; |
| 306 | } |
| 307 | |
| 308 | $query['paged'] = $args['page']; |
| 309 | } else { |
| 310 | if ( $args['offset'] < 0 ) { |
| 311 | $args['offset'] = 0; |
| 312 | } |
| 313 | |
| 314 | $query['offset'] = $args['offset']; |
| 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 ( $this->date_range ) { |
| 325 | add_filter( 'posts_where', array( $this, 'handle_date_range' ) ); |
| 326 | } |
| 327 | |
| 328 | /** |
| 329 | * 'column' necessary for the me/posts endpoint (which extends sites/$site/posts). |
| 330 | * Would need to be added to the sites/$site/posts definition if we ever want to |
| 331 | * use it there. |
| 332 | */ |
| 333 | $column_whitelist = array( 'post_modified_gmt' ); |
| 334 | if ( isset( $args['column'] ) && in_array( $args['column'], $column_whitelist, true ) ) { |
| 335 | $query['column'] = $args['column']; |
| 336 | } |
| 337 | |
| 338 | $wp_query = new WP_Query( $query ); |
| 339 | if ( $this->date_range ) { |
| 340 | remove_filter( 'posts_where', array( $this, 'handle_date_range' ) ); |
| 341 | $this->date_range = array(); |
| 342 | } |
| 343 | |
| 344 | $return = array(); |
| 345 | $excluded_count = 0; |
| 346 | foreach ( array_keys( $this->response_format ) as $key ) { |
| 347 | switch ( $key ) { |
| 348 | case 'found': |
| 349 | $return[ $key ] = (int) $wp_query->found_posts; |
| 350 | break; |
| 351 | case 'posts': |
| 352 | $posts = array(); |
| 353 | foreach ( $wp_query->posts as $post_ID ) { |
| 354 | $the_post = $this->get_post_by( 'ID', $post_ID, $args['context'] ); |
| 355 | if ( $the_post && ! is_wp_error( $the_post ) ) { |
| 356 | $posts[] = $the_post; |
| 357 | } else { |
| 358 | ++$excluded_count; |
| 359 | } |
| 360 | } |
| 361 | |
| 362 | if ( $posts ) { |
| 363 | /** This action is documented in json-endpoints/class.wpcom-json-api-site-settings-endpoint.php */ |
| 364 | do_action( 'wpcom_json_api_objects', 'posts', count( $posts ) ); |
| 365 | } |
| 366 | |
| 367 | $return[ $key ] = $posts; |
| 368 | break; |
| 369 | } |
| 370 | } |
| 371 | |
| 372 | $return['found'] -= $excluded_count; |
| 373 | |
| 374 | return $return; |
| 375 | } |
| 376 | |
| 377 | /** |
| 378 | * Handle the date range. |
| 379 | * |
| 380 | * @param string $where - SQL where clause. |
| 381 | */ |
| 382 | public function handle_date_range( $where ) { |
| 383 | global $wpdb; |
| 384 | |
| 385 | switch ( count( $this->date_range ) ) { |
| 386 | case 2: |
| 387 | $where .= $wpdb->prepare( |
| 388 | " AND `$wpdb->posts`.post_date BETWEEN CAST( %s AS DATETIME ) AND CAST( %s AS DATETIME ) ", |
| 389 | $this->date_range['after'], |
| 390 | $this->date_range['before'] |
| 391 | ); |
| 392 | break; |
| 393 | case 1: |
| 394 | if ( isset( $this->date_range['before'] ) ) { |
| 395 | $where .= $wpdb->prepare( |
| 396 | " AND `$wpdb->posts`.post_date <= CAST( %s AS DATETIME ) ", |
| 397 | $this->date_range['before'] |
| 398 | ); |
| 399 | } else { |
| 400 | $where .= $wpdb->prepare( |
| 401 | " AND `$wpdb->posts`.post_date >= CAST( %s AS DATETIME ) ", |
| 402 | $this->date_range['after'] |
| 403 | ); |
| 404 | } |
| 405 | break; |
| 406 | } |
| 407 | |
| 408 | return $where; |
| 409 | } |
| 410 | } |