class.jetpack-sync-module-posts.php
| 1 | <?php |
| 2 | |
| 3 | require_once dirname( __FILE__ ) . '/class.jetpack-sync-settings.php'; |
| 4 | |
| 5 | class Jetpack_Sync_Module_Posts extends Jetpack_Sync_Module { |
| 6 | |
| 7 | private $just_published = array(); |
| 8 | private $just_trashed = array(); |
| 9 | private $action_handler; |
| 10 | private $import_end = false; |
| 11 | |
| 12 | public function name() { |
| 13 | return 'posts'; |
| 14 | } |
| 15 | |
| 16 | public function get_object_by_id( $object_type, $id ) { |
| 17 | if ( $object_type === 'post' && $post = get_post( intval( $id ) ) ) { |
| 18 | return $this->filter_post_content_and_add_links( $post ); |
| 19 | } |
| 20 | |
| 21 | return false; |
| 22 | } |
| 23 | |
| 24 | public function set_defaults() { |
| 25 | $this->import_end = false; |
| 26 | } |
| 27 | |
| 28 | public function init_listeners( $callable ) { |
| 29 | $this->action_handler = $callable; |
| 30 | |
| 31 | // Core < 4.7 doesn't deal with nested wp_insert_post calls very well |
| 32 | global $wp_version; |
| 33 | $priority = version_compare( $wp_version, '4.7-alpha', '<' ) ? 0 : 11; |
| 34 | |
| 35 | add_action( 'wp_insert_post', array( $this, 'wp_insert_post' ), $priority, 3 ); |
| 36 | |
| 37 | add_action( 'deleted_post', $callable, 10 ); |
| 38 | add_action( 'jetpack_published_post', $callable, 10, 2 ); |
| 39 | add_action( 'jetpack_trashed_post', $callable, 10, 2 ); |
| 40 | |
| 41 | add_action( 'transition_post_status', array( $this, 'save_published' ), 10, 3 ); |
| 42 | add_filter( 'jetpack_sync_before_enqueue_wp_insert_post', array( $this, 'filter_blacklisted_post_types' ) ); |
| 43 | |
| 44 | // listen for meta changes |
| 45 | $this->init_listeners_for_meta_type( 'post', $callable ); |
| 46 | $this->init_meta_whitelist_handler( 'post', array( $this, 'filter_meta' ) ); |
| 47 | |
| 48 | add_action( 'export_wp', $callable ); |
| 49 | add_action( 'jetpack_sync_import_end', $callable ); |
| 50 | |
| 51 | // Movable type, RSS, Livejournal |
| 52 | add_action( 'import_done', array( $this, 'sync_import_done' ) ); |
| 53 | |
| 54 | // WordPress, Blogger, Livejournal, woo tax rate |
| 55 | add_action( 'import_end', array( $this, 'sync_import_end' ) ); |
| 56 | } |
| 57 | |
| 58 | public function sync_import_done( $importer ) { |
| 59 | // We already ran an send the import |
| 60 | if ( $this->import_end ) { |
| 61 | return; |
| 62 | } |
| 63 | /** |
| 64 | * Sync Event that tells that the import is finished |
| 65 | * |
| 66 | * @since 5.0.0 |
| 67 | * |
| 68 | * $param string $importer |
| 69 | */ |
| 70 | do_action( 'jetpack_sync_import_end', $importer ); |
| 71 | $this->import_end = true; |
| 72 | } |
| 73 | |
| 74 | public function sync_import_end() { |
| 75 | // We already ran an send the import |
| 76 | if ( $this->import_end ) { |
| 77 | return; |
| 78 | } |
| 79 | |
| 80 | $this->import_end = true; |
| 81 | $importer = 'unknown'; |
| 82 | $backtrace = wp_debug_backtrace_summary(null, 0, false ); |
| 83 | if ( $this->is_importer( $backtrace, 'Blogger_Importer' ) ) { |
| 84 | $importer = 'blogger'; |
| 85 | } |
| 86 | |
| 87 | if ( 'unknown' === $importer && $this->is_importer( $backtrace, 'WC_Tax_Rate_Importer' ) ) { |
| 88 | $importer = 'woo-tax-rate'; |
| 89 | } |
| 90 | |
| 91 | if ( 'unknown' === $importer && $this->is_importer( $backtrace, 'WP_Import' ) ) { |
| 92 | $importer = 'wordpress'; |
| 93 | } |
| 94 | |
| 95 | /** This filter is already documented in sync/class.jetpack-sync-module-posts.php */ |
| 96 | do_action( 'jetpack_sync_import_end', $importer ); |
| 97 | } |
| 98 | |
| 99 | private function is_importer( $backtrace, $class_name ) { |
| 100 | foreach ( $backtrace as $trace ) { |
| 101 | if ( strpos( $trace, $class_name ) !== false ) { |
| 102 | return true; |
| 103 | } |
| 104 | } |
| 105 | return false; |
| 106 | } |
| 107 | |
| 108 | public function init_full_sync_listeners( $callable ) { |
| 109 | add_action( 'jetpack_full_sync_posts', $callable ); // also sends post meta |
| 110 | } |
| 111 | |
| 112 | public function init_before_send() { |
| 113 | add_filter( 'jetpack_sync_before_send_wp_insert_post', array( $this, 'expand_wp_insert_post' ) ); |
| 114 | |
| 115 | // full sync |
| 116 | add_filter( 'jetpack_sync_before_send_jetpack_full_sync_posts', array( $this, 'expand_post_ids' ) ); |
| 117 | } |
| 118 | |
| 119 | public function enqueue_full_sync_actions( $config, $max_items_to_enqueue, $state ) { |
| 120 | global $wpdb; |
| 121 | |
| 122 | return $this->enqueue_all_ids_as_action( 'jetpack_full_sync_posts', $wpdb->posts, 'ID', $this->get_where_sql( $config ), $max_items_to_enqueue, $state ); |
| 123 | } |
| 124 | |
| 125 | public function estimate_full_sync_actions( $config ) { |
| 126 | global $wpdb; |
| 127 | |
| 128 | $query = "SELECT count(*) FROM $wpdb->posts WHERE " . $this->get_where_sql( $config ); |
| 129 | $count = $wpdb->get_var( $query ); |
| 130 | |
| 131 | return (int) ceil( $count / self::ARRAY_CHUNK_SIZE ); |
| 132 | } |
| 133 | |
| 134 | private function get_where_sql( $config ) { |
| 135 | $where_sql = Jetpack_Sync_Settings::get_blacklisted_post_types_sql(); |
| 136 | |
| 137 | // config is a list of post IDs to sync |
| 138 | if ( is_array( $config ) ) { |
| 139 | $where_sql .= ' AND ID IN (' . implode( ',', array_map( 'intval', $config ) ) . ')'; |
| 140 | } |
| 141 | |
| 142 | return $where_sql; |
| 143 | } |
| 144 | |
| 145 | function get_full_sync_actions() { |
| 146 | return array( 'jetpack_full_sync_posts' ); |
| 147 | } |
| 148 | |
| 149 | /** |
| 150 | * Process content before send |
| 151 | * |
| 152 | * @param array $args wp_insert_post arguments |
| 153 | * |
| 154 | * @return array |
| 155 | */ |
| 156 | function expand_wp_insert_post( $args ) { |
| 157 | return array( $args[0], $this->filter_post_content_and_add_links( $args[1] ), $args[2], $args[3] ); |
| 158 | } |
| 159 | |
| 160 | function filter_blacklisted_post_types( $args ) { |
| 161 | $post = $args[1]; |
| 162 | |
| 163 | if ( in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ) ) { |
| 164 | return false; |
| 165 | } |
| 166 | |
| 167 | return $args; |
| 168 | } |
| 169 | |
| 170 | // Meta |
| 171 | function filter_meta( $args ) { |
| 172 | if ( $this->is_post_type_allowed( $args[1] ) && $this->is_whitelisted_post_meta( $args[2] ) ) { |
| 173 | return $args; |
| 174 | } |
| 175 | |
| 176 | return false; |
| 177 | } |
| 178 | |
| 179 | function is_whitelisted_post_meta( $meta_key ) { |
| 180 | // _wpas_skip_ is used by publicize |
| 181 | return in_array( $meta_key, Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ) || wp_startswith( $meta_key, '_wpas_skip_' ); |
| 182 | } |
| 183 | |
| 184 | function is_post_type_allowed( $post_id ) { |
| 185 | $post = get_post( $post_id ); |
| 186 | |
| 187 | return ! in_array( $post->post_type, Jetpack_Sync_Settings::get_setting( 'post_types_blacklist' ) ); |
| 188 | } |
| 189 | |
| 190 | function remove_embed() { |
| 191 | global $wp_embed; |
| 192 | remove_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 ); |
| 193 | // remove the embed shortcode since we would do the part later. |
| 194 | remove_shortcode( 'embed' ); |
| 195 | // Attempts to embed all URLs in a post |
| 196 | remove_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 ); |
| 197 | } |
| 198 | |
| 199 | function add_embed() { |
| 200 | global $wp_embed; |
| 201 | add_filter( 'the_content', array( $wp_embed, 'run_shortcode' ), 8 ); |
| 202 | // Shortcode placeholder for strip_shortcodes() |
| 203 | add_shortcode( 'embed', '__return_false' ); |
| 204 | // Attempts to embed all URLs in a post |
| 205 | add_filter( 'the_content', array( $wp_embed, 'autoembed' ), 8 ); |
| 206 | } |
| 207 | |
| 208 | // Expands wp_insert_post to include filtered content |
| 209 | function filter_post_content_and_add_links( $post_object ) { |
| 210 | global $post; |
| 211 | $post = $post_object; |
| 212 | |
| 213 | // return non existant post |
| 214 | $post_type = get_post_type_object( $post->post_type ); |
| 215 | if ( empty( $post_type ) || ! is_object( $post_type ) ) { |
| 216 | $non_existant_post = new stdClass(); |
| 217 | $non_existant_post->ID = $post->ID; |
| 218 | $non_existant_post->post_modified = $post->post_modified; |
| 219 | $non_existant_post->post_modified_gmt = $post->post_modified_gmt; |
| 220 | $non_existant_post->post_status = 'jetpack_sync_non_registered_post_type'; |
| 221 | |
| 222 | return $non_existant_post; |
| 223 | } |
| 224 | /** |
| 225 | * Filters whether to prevent sending post data to .com |
| 226 | * |
| 227 | * Passing true to the filter will prevent the post data from being sent |
| 228 | * to the WordPress.com. |
| 229 | * Instead we pass data that will still enable us to do a checksum against the |
| 230 | * Jetpacks data but will prevent us from displaying the data on in the API as well as |
| 231 | * other services. |
| 232 | * @since 4.2.0 |
| 233 | * |
| 234 | * @param boolean false prevent post data from being synced to WordPress.com |
| 235 | * @param mixed $post WP_POST object |
| 236 | */ |
| 237 | if ( apply_filters( 'jetpack_sync_prevent_sending_post_data', false, $post ) ) { |
| 238 | // We only send the bare necessary object to be able to create a checksum. |
| 239 | $blocked_post = new stdClass(); |
| 240 | $blocked_post->ID = $post->ID; |
| 241 | $blocked_post->post_modified = $post->post_modified; |
| 242 | $blocked_post->post_modified_gmt = $post->post_modified_gmt; |
| 243 | $blocked_post->post_status = 'jetpack_sync_blocked'; |
| 244 | |
| 245 | return $blocked_post; |
| 246 | } |
| 247 | |
| 248 | // lets not do oembed just yet. |
| 249 | $this->remove_embed(); |
| 250 | |
| 251 | if ( 0 < strlen( $post->post_password ) ) { |
| 252 | $post->post_password = 'auto-' . wp_generate_password( 10, false ); |
| 253 | } |
| 254 | |
| 255 | /** This filter is already documented in core. wp-includes/post-template.php */ |
| 256 | if ( Jetpack_Sync_Settings::get_setting( 'render_filtered_content' ) && $post_type->public ) { |
| 257 | global $shortcode_tags; |
| 258 | /** |
| 259 | * Filter prevents some shortcodes from expanding. |
| 260 | * |
| 261 | * Since we can can expand some type of shortcode better on the .com side and make the |
| 262 | * expansion more relevant to contexts. For example [galleries] and subscription emails |
| 263 | * |
| 264 | * @since 4.5.0 |
| 265 | * |
| 266 | * @param array of shortcode tags to remove. |
| 267 | */ |
| 268 | $shortcodes_to_remove = apply_filters( 'jetpack_sync_do_not_expand_shortcodes', array( |
| 269 | 'gallery', |
| 270 | 'slideshow' |
| 271 | ) ); |
| 272 | $removed_shortcode_callbacks = array(); |
| 273 | foreach ( $shortcodes_to_remove as $shortcode ) { |
| 274 | if ( isset ( $shortcode_tags[ $shortcode ] ) ) { |
| 275 | $removed_shortcode_callbacks[ $shortcode ] = $shortcode_tags[ $shortcode ]; |
| 276 | } |
| 277 | } |
| 278 | |
| 279 | array_map( 'remove_shortcode', array_keys( $removed_shortcode_callbacks ) ); |
| 280 | |
| 281 | $post->post_content_filtered = apply_filters( 'the_content', $post->post_content ); |
| 282 | $post->post_excerpt_filtered = apply_filters( 'the_excerpt', $post->post_excerpt ); |
| 283 | |
| 284 | foreach ( $removed_shortcode_callbacks as $shortcode => $callback ) { |
| 285 | add_shortcode( $shortcode, $callback ); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | $this->add_embed(); |
| 290 | |
| 291 | if ( has_post_thumbnail( $post->ID ) ) { |
| 292 | $image_attributes = wp_get_attachment_image_src( get_post_thumbnail_id( $post->ID ), 'full' ); |
| 293 | if ( is_array( $image_attributes ) && isset( $image_attributes[0] ) ) { |
| 294 | $post->featured_image = $image_attributes[0]; |
| 295 | } |
| 296 | } |
| 297 | |
| 298 | $post->permalink = get_permalink( $post->ID ); |
| 299 | $post->shortlink = wp_get_shortlink( $post->ID ); |
| 300 | |
| 301 | return $post; |
| 302 | } |
| 303 | |
| 304 | public function save_published( $new_status, $old_status, $post ) { |
| 305 | if ( 'publish' === $new_status && 'publish' !== $old_status ) { |
| 306 | $this->just_published[] = $post->ID; |
| 307 | } |
| 308 | |
| 309 | if ( 'trash' === $new_status && 'trash' !== $old_status ) { |
| 310 | $this->just_trashed[] = $post->ID; |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | public function wp_insert_post( $post_ID, $post = null , $update = null ) { |
| 315 | if ( ! is_numeric( $post_ID ) || is_null( $post ) ) { |
| 316 | return; |
| 317 | } |
| 318 | |
| 319 | if ( Jetpack_Constants::get_constant( 'DOING_AUTOSAVE' ) ) { |
| 320 | $is_auto_save = true; |
| 321 | } else { |
| 322 | $is_auto_save = false; |
| 323 | } |
| 324 | |
| 325 | call_user_func( $this->action_handler, $post_ID, $post, $update, $is_auto_save ); |
| 326 | $this->send_published( $post_ID, $post ); |
| 327 | $this->send_trashed( $post_ID, $post ); |
| 328 | } |
| 329 | |
| 330 | public function send_published( $post_ID, $post ) { |
| 331 | if ( ! in_array( $post_ID, $this->just_published ) ) { |
| 332 | return; |
| 333 | } |
| 334 | |
| 335 | // Post revisions cause race conditions where this send_published add the action before the actual post gets synced |
| 336 | if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) { |
| 337 | return; |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Filter that is used to add to the post flags ( meta data ) when a post gets published |
| 342 | * |
| 343 | * @since 4.4.0 |
| 344 | * |
| 345 | * @param mixed array post flags that are added to the post |
| 346 | * @param mixed $post WP_POST object |
| 347 | */ |
| 348 | $flags = apply_filters( 'jetpack_published_post_flags', array(), $post ); |
| 349 | |
| 350 | /** |
| 351 | * Action that gets synced when a post type gets published. |
| 352 | * |
| 353 | * @since 4.4.0 |
| 354 | * |
| 355 | * @param int $post_ID |
| 356 | * @param mixed array $flags post flags that are added to the post |
| 357 | */ |
| 358 | do_action( 'jetpack_published_post', $post_ID, $flags ); |
| 359 | |
| 360 | $this->just_published = array_diff( $this->just_published, array( $post_ID ) ); |
| 361 | } |
| 362 | |
| 363 | public function send_trashed( $post_ID, $post ) { |
| 364 | if ( ! in_array( $post_ID, $this->just_trashed ) ) { |
| 365 | return; |
| 366 | } |
| 367 | |
| 368 | // Post revisions cause race conditions where this send_published add the action before the actual post gets synced |
| 369 | if ( wp_is_post_autosave( $post ) || wp_is_post_revision( $post ) ) { |
| 370 | return; |
| 371 | } |
| 372 | |
| 373 | /** |
| 374 | * Action that gets synced when a post type gets trashed. |
| 375 | * |
| 376 | * @since 4.9.0 |
| 377 | * |
| 378 | * @param int $post_ID |
| 379 | */ |
| 380 | do_action( 'jetpack_trashed_post', $post_ID ); |
| 381 | |
| 382 | $this->just_trashed = array_diff( $this->just_trashed, array( $post_ID ) ); |
| 383 | } |
| 384 | |
| 385 | public function expand_post_ids( $args ) { |
| 386 | $post_ids = $args[0]; |
| 387 | |
| 388 | $posts = array_filter( array_map( array( 'WP_Post', 'get_instance' ), $post_ids ) ); |
| 389 | $posts = array_map( array( $this, 'filter_post_content_and_add_links' ), $posts ); |
| 390 | $posts = array_values( $posts ); // reindex in case posts were deleted |
| 391 | |
| 392 | return array( |
| 393 | $posts, |
| 394 | $this->get_metadata( $post_ids, 'post', Jetpack_Sync_Settings::get_setting( 'post_meta_whitelist' ) ), |
| 395 | $this->get_term_relationships( $post_ids ), |
| 396 | ); |
| 397 | } |
| 398 | } |
| 399 |