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| 1 | <?php // phpcs:ignore WordPress.Files.FileName.InvalidClassFileName |
| 2 | /** |
| 3 | * Sitemaps are stored in the database using a custom table. This class |
| 4 | * provides a small API for storing and retrieving sitemap data so we can |
| 5 | * avoid lots of explicit SQL juggling while building sitemaps. This file |
| 6 | * also includes the SQL used to retrieve posts and images to be included |
| 7 | * in the sitemaps. |
| 8 | * |
| 9 | * @since 4.8.0 |
| 10 | * @package automattic/jetpack |
| 11 | */ |
| 12 | |
| 13 | if ( ! defined( 'ABSPATH' ) ) { |
| 14 | exit( 0 ); |
| 15 | } |
| 16 | |
| 17 | /* Ensure sitemap constants are available. */ |
| 18 | require_once __DIR__ . '/sitemap-constants.php'; |
| 19 | |
| 20 | /** |
| 21 | * This object handles any database interaction required |
| 22 | * for sitemap generation. |
| 23 | * |
| 24 | * @since 4.8.0 |
| 25 | */ |
| 26 | class Jetpack_Sitemap_Librarian { |
| 27 | |
| 28 | /** |
| 29 | * Retrieve a single sitemap with given name and type. |
| 30 | * Returns null if no such sitemap exists. |
| 31 | * |
| 32 | * @access public |
| 33 | * @since 4.8.0 |
| 34 | * |
| 35 | * @param string $name Name of the sitemap to be retrieved. |
| 36 | * @param string $type Type of the sitemap to be retrieved. |
| 37 | * |
| 38 | * @return array $args { |
| 39 | * @type int $id ID number of the sitemap in the database. |
| 40 | * @type string $timestamp Most recent timestamp of the resources pointed to. |
| 41 | * @type string $name Name of the sitemap in the database. |
| 42 | * @type string $type Type of the sitemap in the database. |
| 43 | * @type string $text The content of the sitemap. |
| 44 | * } |
| 45 | */ |
| 46 | public function read_sitemap_data( $name, $type ) { |
| 47 | $post_array = get_posts( |
| 48 | array( |
| 49 | 'numberposts' => 1, |
| 50 | 'title' => $name, |
| 51 | 'post_type' => $type, |
| 52 | 'post_status' => 'draft', |
| 53 | ) |
| 54 | ); |
| 55 | |
| 56 | $the_post = array_shift( $post_array ); |
| 57 | |
| 58 | if ( null === $the_post ) { |
| 59 | return null; |
| 60 | } else { |
| 61 | return array( |
| 62 | 'id' => $the_post->ID, |
| 63 | 'timestamp' => $the_post->post_date, |
| 64 | 'name' => $the_post->post_title, |
| 65 | 'type' => $the_post->post_type, |
| 66 | 'text' => base64_decode( $the_post->post_content ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_decode |
| 67 | ); |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | /** |
| 72 | * Store a sitemap of given type and index in the database. |
| 73 | * Note that the timestamp is reencoded as 'Y-m-d H:i:s'. |
| 74 | * |
| 75 | * If a sitemap with that type and name does not exist, create it. |
| 76 | * If a sitemap with that type and name does exist, update it. |
| 77 | * |
| 78 | * This method uses get_current_sitemap_post_id() for efficiency, |
| 79 | * as it only retrieves the post ID, which will be typically cached in the persistent object cache. |
| 80 | * This approach avoids loading unnecessary data (like post content) into memory, |
| 81 | * unlike using read_sitemap_data() which would retrieve the full post object. |
| 82 | * |
| 83 | * @access public |
| 84 | * @since 4.8.0 |
| 85 | * |
| 86 | * @param string $index Index of the sitemap to be stored. |
| 87 | * @param string $type Type of the sitemap to be stored. |
| 88 | * @param string $contents Contents of the sitemap to be stored. |
| 89 | * @param string $timestamp Timestamp of the sitemap to be stored, in 'YYYY-MM-DD hh:mm:ss' format. |
| 90 | */ |
| 91 | public function store_sitemap_data( $index, $type, $contents, $timestamp ) { |
| 92 | $name = jp_sitemap_filename( $type, $index ); |
| 93 | |
| 94 | $post_id = $this->get_current_sitemap_post_id( $name, $type ); |
| 95 | |
| 96 | if ( null === $post_id ) { |
| 97 | // Post does not exist. |
| 98 | wp_insert_post( |
| 99 | array( |
| 100 | 'post_title' => $name, |
| 101 | 'post_content' => base64_encode( $contents ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode |
| 102 | 'post_type' => $type, |
| 103 | 'post_date' => gmdate( 'Y-m-d H:i:s', strtotime( $timestamp ) ), |
| 104 | ) |
| 105 | ); |
| 106 | } else { |
| 107 | // Post does exist. |
| 108 | wp_insert_post( |
| 109 | array( |
| 110 | 'ID' => $post_id, |
| 111 | 'post_title' => $name, |
| 112 | 'post_content' => base64_encode( $contents ), // phpcs:ignore WordPress.PHP.DiscouragedPHPFunctions.obfuscation_base64_encode |
| 113 | 'post_type' => $type, |
| 114 | 'post_date' => gmdate( 'Y-m-d H:i:s', strtotime( $timestamp ) ), |
| 115 | ) |
| 116 | ); |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | /** |
| 121 | * Get the current sitemap post ID. |
| 122 | * |
| 123 | * @param string $name The name of the sitemap. |
| 124 | * @param string $type The type of the sitemap. |
| 125 | * @return int|null The post ID if it exists, null otherwise. |
| 126 | */ |
| 127 | private function get_current_sitemap_post_id( $name, $type ) { |
| 128 | $args = array( |
| 129 | 'post_type' => $type, |
| 130 | 'post_status' => 'draft', |
| 131 | 'posts_per_page' => 1, |
| 132 | 'title' => $name, |
| 133 | 'fields' => 'ids', |
| 134 | ); |
| 135 | |
| 136 | $query = new WP_Query( $args ); |
| 137 | return $query->posts ? $query->posts[0] : null; |
| 138 | } |
| 139 | /** |
| 140 | * Delete a sitemap by name and type. |
| 141 | * |
| 142 | * @access public |
| 143 | * @since 4.8.0 |
| 144 | * |
| 145 | * @param string $name Row name. |
| 146 | * @param string $type Row type. |
| 147 | * |
| 148 | * @return bool 'true' if a row was deleted, 'false' otherwise. |
| 149 | */ |
| 150 | public function delete_sitemap_data( $name, $type ) { |
| 151 | $the_post = $this->read_sitemap_data( $name, $type ); |
| 152 | |
| 153 | if ( null === $the_post ) { |
| 154 | return false; |
| 155 | } else { |
| 156 | wp_delete_post( $the_post['id'] ); |
| 157 | return true; |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | /** |
| 162 | * Retrieve the contents of a sitemap with given name and type. |
| 163 | * If no such sitemap exists, return the empty string. Note that the |
| 164 | * returned string is run through wp_specialchars_decode. |
| 165 | * |
| 166 | * @access public |
| 167 | * @since 4.8.0 |
| 168 | * |
| 169 | * @param string $name Row name. |
| 170 | * @param string $type Row type. |
| 171 | * |
| 172 | * @return string Text of the specified sitemap, or the empty string. |
| 173 | */ |
| 174 | public function get_sitemap_text( $name, $type ) { |
| 175 | $row = $this->read_sitemap_data( $name, $type ); |
| 176 | |
| 177 | if ( null === $row ) { |
| 178 | return ''; |
| 179 | } else { |
| 180 | return $row['text']; |
| 181 | } |
| 182 | } |
| 183 | |
| 184 | /** |
| 185 | * Delete numbered sitemaps named prefix-(p+1), prefix-(p+2), ... |
| 186 | * until the first nonexistent sitemap is found. |
| 187 | * |
| 188 | * @access public |
| 189 | * @since 4.8.0 |
| 190 | * |
| 191 | * @param int $position Number before the first sitemap to be deleted. |
| 192 | * @param string $type Sitemap type. |
| 193 | */ |
| 194 | public function delete_numbered_sitemap_rows_after( $position, $type ) { |
| 195 | $any_left = true; |
| 196 | |
| 197 | while ( true === $any_left ) { |
| 198 | ++$position; |
| 199 | $name = jp_sitemap_filename( $type, $position ); |
| 200 | $any_left = $this->delete_sitemap_data( $name, $type ); |
| 201 | } |
| 202 | } |
| 203 | |
| 204 | /** |
| 205 | * Deletes all stored sitemap data. |
| 206 | * |
| 207 | * @access public |
| 208 | * @since 4.8.0 |
| 209 | */ |
| 210 | public function delete_all_stored_sitemap_data() { |
| 211 | $this->delete_sitemap_type_data( JP_MASTER_SITEMAP_TYPE ); |
| 212 | $this->delete_sitemap_type_data( JP_PAGE_SITEMAP_TYPE ); |
| 213 | $this->delete_sitemap_type_data( JP_PAGE_SITEMAP_INDEX_TYPE ); |
| 214 | $this->delete_sitemap_type_data( JP_IMAGE_SITEMAP_TYPE ); |
| 215 | $this->delete_sitemap_type_data( JP_IMAGE_SITEMAP_INDEX_TYPE ); |
| 216 | $this->delete_sitemap_type_data( JP_VIDEO_SITEMAP_TYPE ); |
| 217 | $this->delete_sitemap_type_data( JP_VIDEO_SITEMAP_INDEX_TYPE ); |
| 218 | } |
| 219 | |
| 220 | /** |
| 221 | * Deletes all sitemap data of specific type |
| 222 | * |
| 223 | * @access protected |
| 224 | * @since 5.3.0 |
| 225 | * |
| 226 | * @param String $type Type of sitemap. |
| 227 | */ |
| 228 | protected function delete_sitemap_type_data( $type ) { |
| 229 | $ids = get_posts( |
| 230 | array( |
| 231 | 'post_type' => $type, |
| 232 | 'post_status' => 'draft', |
| 233 | 'fields' => 'ids', |
| 234 | ) |
| 235 | ); |
| 236 | |
| 237 | foreach ( $ids as $id ) { |
| 238 | wp_trash_post( $id ); |
| 239 | } |
| 240 | } |
| 241 | |
| 242 | /** |
| 243 | * Retrieve an array of sitemap rows (of a given type) sorted by ID. |
| 244 | * |
| 245 | * Returns the smallest $num_posts sitemap rows (measured by ID) |
| 246 | * of the given type which are larger than $from_id. |
| 247 | * |
| 248 | * @access public |
| 249 | * @since 4.8.0 |
| 250 | * |
| 251 | * @param string $type Type of the sitemap rows to retrieve. |
| 252 | * @param int $from_id Greatest lower bound of retrieved sitemap post IDs. |
| 253 | * @param int $num_posts Largest number of sitemap posts to retrieve. |
| 254 | * |
| 255 | * @return array The sitemaps, as an array of associative arrays. |
| 256 | */ |
| 257 | public function query_sitemaps_after_id( $type, $from_id, $num_posts ) { |
| 258 | global $wpdb; |
| 259 | |
| 260 | return $wpdb->get_results( |
| 261 | $wpdb->prepare( |
| 262 | "SELECT * |
| 263 | FROM $wpdb->posts |
| 264 | WHERE post_type=%s |
| 265 | AND post_status=%s |
| 266 | AND ID>%d |
| 267 | ORDER BY ID ASC |
| 268 | LIMIT %d;", |
| 269 | $type, |
| 270 | 'draft', |
| 271 | $from_id, |
| 272 | $num_posts |
| 273 | ), |
| 274 | ARRAY_A |
| 275 | ); // WPCS: db call ok; no-cache ok. |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Retrieve an array of posts sorted by ID. |
| 280 | * |
| 281 | * More precisely, returns the smallest $num_posts posts |
| 282 | * (measured by ID) which are larger than $from_id. |
| 283 | * |
| 284 | * @access public |
| 285 | * @since 4.8.0 |
| 286 | * |
| 287 | * @param int $from_id Greatest lower bound of retrieved post IDs. |
| 288 | * @param int $num_posts Largest number of posts to retrieve. |
| 289 | * |
| 290 | * @return array The posts. |
| 291 | */ |
| 292 | public function query_posts_after_id( $from_id, $num_posts ) { |
| 293 | global $wpdb; |
| 294 | |
| 295 | // Get the list of post types to include and prepare for query. |
| 296 | $post_types = Jetpack_Options::get_option_and_ensure_autoload( |
| 297 | 'jetpack_sitemap_post_types', |
| 298 | array( 'page', 'post' ) |
| 299 | ); |
| 300 | foreach ( (array) $post_types as $i => $post_type ) { |
| 301 | $post_types[ $i ] = $wpdb->prepare( '%s', $post_type ); |
| 302 | } |
| 303 | $post_types_list = implode( ',', $post_types ); |
| 304 | |
| 305 | $columns_list = $this->get_sanitized_post_columns( $wpdb ); |
| 306 | |
| 307 | // phpcs:disable WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- WPCS: db call ok; no-cache ok. |
| 308 | return $wpdb->get_results( |
| 309 | $wpdb->prepare( |
| 310 | "SELECT $columns_list |
| 311 | FROM $wpdb->posts |
| 312 | WHERE post_status='publish' |
| 313 | AND post_type IN ($post_types_list) |
| 314 | AND ID>%d |
| 315 | ORDER BY ID ASC |
| 316 | LIMIT %d;", |
| 317 | $from_id, |
| 318 | $num_posts |
| 319 | ) |
| 320 | ); |
| 321 | // phpcs:enable WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 322 | } |
| 323 | |
| 324 | /** |
| 325 | * Get the most recent timestamp among approved comments for the given post_id. |
| 326 | * |
| 327 | * @access public |
| 328 | * @since 4.8.0 |
| 329 | * |
| 330 | * @param int $post_id Post identifier. |
| 331 | * |
| 332 | * @return string Timestamp in 'Y-m-d h:i:s' format (UTC) of the most recent comment on the given post, or null if no such comments exist. |
| 333 | */ |
| 334 | public function query_latest_approved_comment_time_on_post( $post_id ) { |
| 335 | global $wpdb; |
| 336 | |
| 337 | return $wpdb->get_var( |
| 338 | $wpdb->prepare( |
| 339 | "SELECT MAX(comment_date_gmt) |
| 340 | FROM $wpdb->comments |
| 341 | WHERE comment_post_ID = %d AND comment_approved = '1' AND comment_type in ( '', 'comment' )", |
| 342 | $post_id |
| 343 | ) |
| 344 | ); |
| 345 | } |
| 346 | |
| 347 | /** |
| 348 | * Retrieve an array of image posts sorted by ID. |
| 349 | * |
| 350 | * More precisely, returns the smallest $num_posts image posts |
| 351 | * (measured by ID) which are larger than $from_id. |
| 352 | * |
| 353 | * @access public |
| 354 | * @since 4.8.0 |
| 355 | * |
| 356 | * @param int $from_id Greatest lower bound of retrieved image post IDs. |
| 357 | * @param int $num_posts Largest number of image posts to retrieve. |
| 358 | * |
| 359 | * @return array The posts. |
| 360 | */ |
| 361 | public function query_images_after_id( $from_id, $num_posts ) { |
| 362 | global $wpdb; |
| 363 | |
| 364 | return $wpdb->get_results( |
| 365 | $wpdb->prepare( |
| 366 | "SELECT * |
| 367 | FROM $wpdb->posts |
| 368 | WHERE post_type='attachment' |
| 369 | AND post_mime_type LIKE %s |
| 370 | AND ID>%d |
| 371 | ORDER BY ID ASC |
| 372 | LIMIT %d;", |
| 373 | 'image/%', |
| 374 | $from_id, |
| 375 | $num_posts |
| 376 | ) |
| 377 | ); // WPCS: db call ok; no-cache ok. |
| 378 | } |
| 379 | |
| 380 | /** |
| 381 | * Retrieve an array of video posts sorted by ID. |
| 382 | * |
| 383 | * More precisely, returns the smallest $num_posts video posts |
| 384 | * (measured by ID) which are larger than $from_id. |
| 385 | * |
| 386 | * @access public |
| 387 | * @since 4.8.0 |
| 388 | * |
| 389 | * @param int $from_id Greatest lower bound of retrieved video post IDs. |
| 390 | * @param int $num_posts Largest number of video posts to retrieve. |
| 391 | * |
| 392 | * @return array The posts. |
| 393 | */ |
| 394 | public function query_videos_after_id( $from_id, $num_posts ) { |
| 395 | global $wpdb; |
| 396 | |
| 397 | return $wpdb->get_results( |
| 398 | $wpdb->prepare( |
| 399 | "SELECT * |
| 400 | FROM $wpdb->posts |
| 401 | WHERE post_type='attachment' |
| 402 | AND post_mime_type LIKE %s |
| 403 | AND ID>%d |
| 404 | ORDER BY ID ASC |
| 405 | LIMIT %d;", |
| 406 | 'video/%', |
| 407 | $from_id, |
| 408 | $num_posts |
| 409 | ) |
| 410 | ); // WPCS: db call ok; no-cache ok. |
| 411 | } |
| 412 | |
| 413 | /** |
| 414 | * Retrieve an array of published posts from the last 2 days. |
| 415 | * |
| 416 | * @access public |
| 417 | * @since 4.8.0 |
| 418 | * |
| 419 | * @param int $num_posts Largest number of posts to retrieve. |
| 420 | * |
| 421 | * @return array The posts. |
| 422 | */ |
| 423 | public function query_most_recent_posts( $num_posts ) { |
| 424 | global $wpdb; |
| 425 | |
| 426 | $two_days_ago = gmdate( 'Y-m-d', strtotime( '-2 days' ) ); |
| 427 | |
| 428 | /** |
| 429 | * Filter post types to be included in news sitemap. |
| 430 | * |
| 431 | * @module sitemaps |
| 432 | * |
| 433 | * @since 3.9.0 |
| 434 | * |
| 435 | * @param array $post_types Array with post types to include in news sitemap. |
| 436 | */ |
| 437 | $post_types = apply_filters( |
| 438 | 'jetpack_sitemap_news_sitemap_post_types', |
| 439 | array( 'page', 'post' ) |
| 440 | ); |
| 441 | |
| 442 | foreach ( (array) $post_types as $i => $post_type ) { |
| 443 | $post_types[ $i ] = $wpdb->prepare( '%s', $post_type ); |
| 444 | } |
| 445 | |
| 446 | $post_types_list = implode( ',', $post_types ); |
| 447 | |
| 448 | $columns_list = $this->get_sanitized_post_columns( $wpdb ); |
| 449 | |
| 450 | // phpcs:disable WordPress.DB.PreparedSQLPlaceholders.QuotedSimplePlaceholder,WordPress.DB.PreparedSQL.InterpolatedNotPrepared -- WPCS: db call ok; no-cache ok. |
| 451 | return $wpdb->get_results( |
| 452 | $wpdb->prepare( |
| 453 | "SELECT $columns_list |
| 454 | FROM $wpdb->posts |
| 455 | WHERE post_status='publish' |
| 456 | AND post_date >= '%s' |
| 457 | AND post_type IN ($post_types_list) |
| 458 | ORDER BY post_date DESC |
| 459 | LIMIT %d;", |
| 460 | $two_days_ago, |
| 461 | $num_posts |
| 462 | ) |
| 463 | ); |
| 464 | // phpcs:enable WordPress.DB.PreparedSQLPlaceholders.QuotedSimplePlaceholder,WordPress.DB.PreparedSQL.InterpolatedNotPrepared |
| 465 | } |
| 466 | |
| 467 | /** |
| 468 | * Returns all columns from the posts table, |
| 469 | * except post_content and post_content_filtered. |
| 470 | * |
| 471 | * @param object $wpdb The WordPress database object. |
| 472 | * @return string The sanitized post columns. |
| 473 | */ |
| 474 | private function get_sanitized_post_columns( $wpdb ) { |
| 475 | $columns = array_filter( |
| 476 | // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery,WordPress.DB.DirectDatabaseQuery.NoCaching |
| 477 | $wpdb->get_col( "SHOW COLUMNS FROM $wpdb->posts" ), |
| 478 | function ( $column ) { |
| 479 | return $column !== 'post_content' && $column !== 'post_content_filtered'; |
| 480 | } |
| 481 | ); |
| 482 | |
| 483 | return implode( ',', array_map( 'esc_sql', $columns ) ); |
| 484 | } |
| 485 | } |