3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
35 use Friendica\Database\DBStructure;
37 use Friendica\Model\Post\Category;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
77 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
78 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
79 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
80 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
81 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
82 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
83 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
84 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
85 'writable', 'self', 'cid', 'alias', 'pinned',
86 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
87 'event-summary', 'event-desc', 'event-location', 'event-type',
88 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
89 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
92 // Field list that is used to deliver items via the protocols
93 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
94 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
95 'private', 'title', 'body', 'location', 'coord', 'app',
96 'attach', 'deleted', 'extid', 'post-type', 'gravity',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
98 'author-id', 'author-link', 'owner-link', 'contact-uid',
99 'signed_text', 'signature', 'signer', 'network'];
101 // Field list for "item-content" table that is mixed with the item table
102 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
103 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
104 'object-type', 'object', 'target-type', 'target', 'plink'];
106 // Field list for "item-content" table that is not present in the "item" table
107 const CONTENT_FIELDLIST = ['language'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'attach', 'inform',
115 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
116 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
137 private static $legacy_mode = null;
139 private static function getItemFields()
141 $definition = DBStructure::definition('', false);
144 foreach (self::TABLES as $table) {
145 $postfields[$table] = array_keys($definition[$table]['fields']);
151 public static function isLegacyMode()
153 if (is_null(self::$legacy_mode)) {
154 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
157 return self::$legacy_mode;
161 * Set the pinned state of an item
163 * @param integer $iid Item ID
164 * @param integer $uid User ID
165 * @param boolean $pinned Pinned state
167 public static function setPinned(int $iid, int $uid, bool $pinned)
169 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
173 * Get the pinned state
175 * @param integer $iid Item ID
176 * @param integer $uid User ID
178 * @return boolean pinned state
180 public static function getPinned(int $iid, int $uid)
182 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
183 if (!DBA::isResult($useritem)) {
186 return (bool)$useritem['pinned'];
190 * Select pinned rows from the item table for a given user
192 * @param integer $uid User ID
193 * @param array $selected Array of selected fields, empty for all
194 * @param array $condition Array of fields for condition
195 * @param array $params Array of several parameters
197 * @return boolean|object
200 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
202 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
203 if (!DBA::isResult($useritems)) {
208 while ($useritem = DBA::fetch($useritems)) {
209 $pinned[] = $useritem['iid'];
211 DBA::close($useritems);
213 if (empty($pinned)) {
217 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
219 return self::selectThreadForUser($uid, $selected, $condition, $params);
223 * Fetch a single item row
225 * @param mixed $stmt statement object
226 * @return array current row
228 public static function fetch($stmt)
230 $row = DBA::fetch($stmt);
236 // ---------------------- Transform item structure data ----------------------
238 // We prefer the data from the user's contact over the public one
239 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
240 ($row['author-link'] == $row['contact-link'])) {
241 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
242 $row['author-avatar'] = $row['contact-avatar'];
244 if (isset($row['author-name']) && !empty($row['contact-name'])) {
245 $row['author-name'] = $row['contact-name'];
249 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
250 ($row['owner-link'] == $row['contact-link'])) {
251 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
252 $row['owner-avatar'] = $row['contact-avatar'];
254 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
255 $row['owner-name'] = $row['contact-name'];
259 // We can always comment on posts from these networks
260 if (array_key_exists('writable', $row) &&
261 in_array($row['internal-network'], Protocol::FEDERATED)) {
262 $row['writable'] = true;
265 // ---------------------- Transform item content data ----------------------
267 // Fetch data from the item-content table whenever there is content there
268 if (self::isLegacyMode()) {
269 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
270 foreach ($legacy_fields as $field) {
271 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
272 $row[$field] = $row['internal-item-' . $field];
274 unset($row['internal-item-' . $field]);
278 if (array_key_exists('verb', $row)) {
279 if (!is_null($row['internal-verb'])) {
280 $row['verb'] = $row['internal-verb'];
283 if (in_array($row['verb'], self::ACTIVITIES)) {
284 if (array_key_exists('title', $row)) {
287 if (array_key_exists('body', $row)) {
288 $row['body'] = $row['verb'];
290 if (array_key_exists('object', $row)) {
293 if (array_key_exists('object-type', $row)) {
294 $row['object-type'] = Activity\ObjectType::NOTE;
296 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
297 // Posts don't have a target - but having tags or files.
298 if (array_key_exists('target', $row)) {
304 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
305 $row['vid'] = Verb::getID($row['verb']);
308 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
309 // Build the file string out of the term entries
310 if (array_key_exists('file', $row) && empty($row['file'])) {
311 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
315 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
316 if (array_key_exists('allow_cid', $row)) {
317 $row['allow_cid'] = '';
319 if (array_key_exists('allow_gid', $row)) {
320 $row['allow_gid'] = '';
322 if (array_key_exists('deny_cid', $row)) {
323 $row['deny_cid'] = '';
325 if (array_key_exists('deny_gid', $row)) {
326 $row['deny_gid'] = '';
330 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
331 $row['ignored'] = $row['internal-user-ignored'];
334 // Remove internal fields
335 unset($row['internal-network']);
336 unset($row['internal-uri-id']);
337 unset($row['internal-uid']);
338 unset($row['internal-psid']);
339 unset($row['internal-verb']);
340 unset($row['internal-user-ignored']);
341 unset($row['interaction']);
347 * Fills an array with data from an item query
349 * @param object $stmt statement object
350 * @param bool $do_close
351 * @return array Data array
353 public static function inArray($stmt, $do_close = true) {
354 if (is_bool($stmt)) {
359 while ($row = self::fetch($stmt)) {
369 * Check if item data exists
371 * @param array $condition array of fields for condition
373 * @return boolean Are there rows for that condition?
376 public static function exists($condition) {
377 $stmt = self::select(['id'], $condition, ['limit' => 1]);
379 if (is_bool($stmt)) {
382 $retval = (DBA::numRows($stmt) > 0);
391 * Retrieve a single record from the item table for a given user and returns it in an associative array
393 * @param integer $uid User ID
394 * @param array $selected
395 * @param array $condition
396 * @param array $params
401 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
403 $params['uid'] = $uid;
405 if (empty($selected)) {
406 $selected = Item::DISPLAY_FIELDLIST;
409 return self::selectFirst($selected, $condition, $params);
413 * Select rows from the item table for a given user
415 * @param integer $uid User ID
416 * @param array $selected Array of selected fields, empty for all
417 * @param array $condition Array of fields for condition
418 * @param array $params Array of several parameters
420 * @return boolean|object
423 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
425 $params['uid'] = $uid;
427 if (empty($selected)) {
428 $selected = Item::DISPLAY_FIELDLIST;
431 return self::select($selected, $condition, $params);
435 * Retrieve a single record from the item table and returns it in an associative array
437 * @param array $fields
438 * @param array $condition
439 * @param array $params
444 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
446 $params['limit'] = 1;
448 $result = self::select($fields, $condition, $params);
450 if (is_bool($result)) {
453 $row = self::fetch($result);
460 * Select rows from the item table and returns them as an array
462 * @param array $selected Array of selected fields, empty for all
463 * @param array $condition Array of fields for condition
464 * @param array $params Array of several parameters
469 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
471 $result = self::select($fields, $condition, $params);
473 if (is_bool($result)) {
478 while ($row = self::fetch($result)) {
487 * Select rows from the item table
489 * @param array $selected Array of selected fields, empty for all
490 * @param array $condition Array of fields for condition
491 * @param array $params Array of several parameters
493 * @return boolean|object
496 public static function select(array $selected = [], array $condition = [], $params = [])
501 if (isset($params['uid'])) {
502 $uid = $params['uid'];
506 $fields = self::fieldlist($usermode);
508 $select_fields = self::constructSelectFields($fields, $selected);
510 $condition_string = DBA::buildCondition($condition);
512 $condition_string = self::addTablesToFields($condition_string, $fields);
515 $condition_string = $condition_string . ' AND ' . self::condition(false);
518 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
520 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
522 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
524 return DBA::p($sql, $condition);
528 * Select rows from the starting post in the item table
530 * @param integer $uid User ID
531 * @param array $selected
532 * @param array $condition Array of fields for condition
533 * @param array $params Array of several parameters
535 * @return boolean|object
538 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
540 $params['uid'] = $uid;
542 if (empty($selected)) {
543 $selected = Item::DISPLAY_FIELDLIST;
546 return self::selectThread($selected, $condition, $params);
550 * Retrieve a single record from the starting post in the item table and returns it in an associative array
552 * @param integer $uid User ID
553 * @param array $selected
554 * @param array $condition
555 * @param array $params
560 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
562 $params['uid'] = $uid;
564 if (empty($selected)) {
565 $selected = Item::DISPLAY_FIELDLIST;
568 return self::selectFirstThread($selected, $condition, $params);
572 * Retrieve a single record from the starting post in the item table and returns it in an associative array
574 * @param array $fields
575 * @param array $condition
576 * @param array $params
581 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
583 $params['limit'] = 1;
584 $result = self::selectThread($fields, $condition, $params);
586 if (is_bool($result)) {
589 $row = self::fetch($result);
596 * Select rows from the starting post in the item table
598 * @param array $selected Array of selected fields, empty for all
599 * @param array $condition Array of fields for condition
600 * @param array $params Array of several parameters
602 * @return boolean|object
605 public static function selectThread(array $selected = [], array $condition = [], $params = [])
610 if (isset($params['uid'])) {
611 $uid = $params['uid'];
615 $fields = self::fieldlist($usermode);
617 $fields['thread'] = ['mention', 'ignored', 'iid'];
619 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
620 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
621 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
622 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
624 $select_fields = self::constructSelectFields($fields, $selected);
626 $condition_string = DBA::buildCondition($condition);
628 $condition_string = self::addTablesToFields($condition_string, $threadfields);
629 $condition_string = self::addTablesToFields($condition_string, $fields);
632 $condition_string = $condition_string . ' AND ' . self::condition(true);
635 $param_string = DBA::buildParameter($params);
636 $param_string = self::addTablesToFields($param_string, $threadfields);
637 $param_string = self::addTablesToFields($param_string, $fields);
639 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
641 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
643 return DBA::p($sql, $condition);
647 * Returns a list of fields that are associated with the item table
650 * @return array field list
652 private static function fieldlist($usermode)
656 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
657 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid', 'causer-id',
658 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
659 'created', 'edited', 'commented', 'received', 'changed', 'psid',
660 'resource-id', 'event-id', 'attach', 'post-type', 'file',
661 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
662 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
663 'id' => 'item_id', 'network', 'icid',
664 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
665 'network' => 'internal-network', 'psid' => 'internal-psid'];
668 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
671 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
673 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
675 $fields['verb'] = ['name' => 'internal-verb'];
677 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
679 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
680 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
682 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
683 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
685 $fields['causer'] = ['url' => 'causer-link', 'name' => 'causer-name', 'addr' => 'causer-addr',
686 'thumb' => 'causer-avatar', 'nick' => 'causer-nick', 'network' => 'causer-network',
687 'contact-type' => 'causer-contact-type'];
689 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
690 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
691 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
693 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
695 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
696 'network' => 'parent-author-network'];
698 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
699 'start' => 'event-start','finish' => 'event-finish',
700 'summary' => 'event-summary','desc' => 'event-desc',
701 'location' => 'event-location', 'type' => 'event-type',
702 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
703 'ignore' => 'event-ignore', 'id' => 'event-id'];
705 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
711 * Returns SQL condition for the "select" functions
713 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
715 * @return string SQL condition
717 private static function condition($thread_mode)
720 $master_table = "`thread`";
722 $master_table = "`item`";
724 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
725 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
726 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
727 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
728 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
729 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
730 GRAVITY_PARENT, GRAVITY_PARENT);
734 * Returns all needed "JOIN" commands for the "select" functions
736 * @param integer $uid User ID
737 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
738 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
741 * @return string The SQL joins for the "select" functions
743 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
746 $master_table = "`thread`";
747 $master_table_key = "`thread`.`iid`";
748 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
750 $master_table = "`item`";
751 $master_table_key = "`item`.`id`";
756 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
757 AND NOT `contact`.`blocked`
758 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
759 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
760 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
761 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
762 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
763 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
764 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
765 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
767 if (strpos($sql_commands, "`contact`.") !== false) {
768 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
770 if (strpos($sql_commands, "`author`.") !== false) {
771 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
773 if (strpos($sql_commands, "`owner`.") !== false) {
774 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
777 if (strpos($sql_commands, "`causer`.") !== false) {
778 $joins .= " LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `item`.`causer-id`";
781 if (strpos($sql_commands, "`group_member`.") !== false) {
782 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
785 if (strpos($sql_commands, "`user`.") !== false) {
786 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
789 if (strpos($sql_commands, "`event`.") !== false) {
790 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
793 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
794 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
797 if (strpos($sql_commands, "`item-content`.") !== false) {
798 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
801 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
802 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
805 if (strpos($sql_commands, "`verb`.") !== false) {
806 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
809 if (strpos($sql_commands, "`permissionset`.") !== false) {
810 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
813 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
814 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
816 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
817 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
825 * Add the field list for the "select" functions
827 * @param array $fields The field definition array
828 * @param array $selected The array with the selected fields from the "select" functions
830 * @return string The field list
832 private static function constructSelectFields(array $fields, array $selected)
834 if (!empty($selected)) {
835 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
838 if (in_array('verb', $selected)) {
839 $selected = array_merge($selected, ['internal-verb']);
842 if (in_array('ignored', $selected)) {
843 $selected[] = 'internal-user-ignored';
846 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
849 foreach ($fields as $table => $table_fields) {
850 foreach ($table_fields as $field => $select) {
851 if (empty($selected) || in_array($select, $selected)) {
852 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
853 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
855 if (is_int($field)) {
856 $selection[] = "`" . $table . "`.`" . $select . "`";
858 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
863 return implode(", ", $selection);
867 * add table definition to fields in an SQL query
869 * @param string $query SQL query
870 * @param array $fields The field definition array
872 * @return string the changed SQL query
874 private static function addTablesToFields($query, $fields)
876 foreach ($fields as $table => $table_fields) {
877 foreach ($table_fields as $alias => $field) {
878 if (is_int($alias)) {
879 $replace_field = $field;
881 $replace_field = $alias;
884 $search = "/([^\.])`" . $field . "`/i";
885 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
886 $query = preg_replace($search, $replace, $query);
893 * Update existing item entries
895 * @param array $fields The fields that are to be changed
896 * @param array $condition The condition for finding the item entries
898 * In the future we may have to change permissions as well.
899 * Then we had to add the user id as third parameter.
901 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
903 * @return integer|boolean number of affected rows - or "false" if there was an error
904 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
906 public static function update(array $fields, array $condition)
908 if (empty($condition) || empty($fields)) {
912 // To ensure the data integrity we do it in an transaction
915 // We cannot simply expand the condition to check for origin entries
916 // The condition needn't to be a simple array but could be a complex condition.
917 // And we have to execute this query before the update to ensure to fetch the same data.
918 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
920 $content_fields = [];
921 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
922 if (isset($fields[$field])) {
923 $content_fields[$field] = $fields[$field];
924 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
925 unset($fields[$field]);
927 $fields[$field] = null;
932 $delivery_data = Post\DeliveryData::extractFields($fields);
934 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
935 foreach ($clear_fields as $field) {
936 if (array_key_exists($field, $fields)) {
937 $fields[$field] = null;
941 if (array_key_exists('file', $fields)) {
942 $files = $fields['file'];
943 $fields['file'] = null;
948 if (!empty($content_fields['verb'])) {
949 $fields['vid'] = Verb::getID($content_fields['verb']);
952 if (!empty($fields)) {
953 $success = DBA::update('item', $fields, $condition);
962 // When there is no content for the "old" item table, this will count the fetched items
963 $rows = DBA::affectedRows();
967 while ($item = DBA::fetch($items)) {
968 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
969 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
971 if (empty($item['icid'])) {
972 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
973 if (DBA::isResult($item_content)) {
974 $item_fields = ['icid' => $item_content['id']];
975 // Clear all fields in the item table that have a content in the item-content table
976 if (self::isLegacyMode()) {
977 foreach ($item_content as $field => $content) {
978 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
979 $item_fields[$field] = null;
983 DBA::update('item', $item_fields, ['id' => $item['id']]);
988 if (!is_null($files)) {
989 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
990 if (!empty($item['file'])) {
991 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
995 Post\DeliveryData::update($item['uri-id'], $delivery_data);
997 self::updateThread($item['id']);
999 // We only need to notfiy others when it is an original entry from us.
1000 // Only call the notifier when the item has some content relevant change.
1001 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1002 $notify_items[] = $item['id'];
1009 foreach ($notify_items as $notify_item) {
1010 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1017 * Delete an item and notify others about it - if it was ours
1019 * @param array $condition The condition for finding the item entries
1020 * @param integer $priority Priority for the notification
1021 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1023 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1025 $items = self::select(['id'], $condition);
1026 while ($item = self::fetch($items)) {
1027 self::markForDeletionById($item['id'], $priority);
1033 * Delete an item for an user and notify others about it - if it was ours
1035 * @param array $condition The condition for finding the item entries
1036 * @param integer $uid User who wants to delete this item
1037 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1039 public static function deleteForUser($condition, $uid)
1045 $items = self::select(['id', 'uid'], $condition);
1046 while ($item = self::fetch($items)) {
1047 // "Deleting" global items just means hiding them
1048 if ($item['uid'] == 0) {
1049 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1051 // Delete notifications
1052 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1053 } elseif ($item['uid'] == $uid) {
1054 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1056 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1063 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1065 * @param integer $item_id
1066 * @param integer $priority Priority for the notification
1068 * @return boolean success
1069 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1071 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1073 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1074 // locate item to be deleted
1075 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1076 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1077 'verb', 'object-type', 'object', 'target', 'contact-id',
1078 'icid', 'psid', 'gravity'];
1079 $item = self::selectFirst($fields, ['id' => $item_id]);
1080 if (!DBA::isResult($item)) {
1081 Logger::info('Item not found.', ['id' => $item_id]);
1085 if ($item['deleted']) {
1086 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1090 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1091 if (!DBA::isResult($parent)) {
1092 $parent = ['origin' => false];
1095 // clean up categories and tags so they don't end up as orphans
1098 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1101 foreach ($matches as $mtch) {
1102 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1108 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1111 foreach ($matches as $mtch) {
1112 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1117 * If item is a link to a photo resource, nuke all the associated photos
1118 * (visitors will not have photo resources)
1119 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1120 * generate a resource-id and therefore aren't intimately linked to the item.
1122 /// @TODO: this should first check if photo is used elsewhere
1123 if (strlen($item['resource-id'])) {
1124 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1127 // If item is a link to an event, delete the event.
1128 if (intval($item['event-id'])) {
1129 Event::delete($item['event-id']);
1132 // If item has attachments, drop them
1133 /// @TODO: this should first check if attachment is used elsewhere
1134 foreach (explode(",", $item['attach']) as $attach) {
1135 preg_match("|attach/(\d+)|", $attach, $matches);
1136 if (is_array($matches) && count($matches) > 1) {
1137 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1141 // Delete notifications
1142 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1144 // Set the item to "deleted"
1145 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1146 DBA::update('item', $item_fields, ['id' => $item['id']]);
1148 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1149 self::deleteThread($item['id'], $item['parent-uri']);
1151 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1152 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1155 Post\DeliveryData::delete($item['uri-id']);
1157 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1158 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1160 // When the permission set will be used in photo and events as well,
1161 // this query here needs to be extended.
1162 // @todo Currently deactivated. We need the permission set in the deletion process.
1163 // This is a reminder to add the removal somewhere else.
1164 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1165 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1168 // If it's the parent of a comment thread, kill all the kids
1169 if ($item['gravity'] == GRAVITY_PARENT) {
1170 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1173 // Is it our comment and/or our thread?
1174 if ($item['origin'] || $parent['origin']) {
1175 // When we delete the original post we will delete all existing copies on the server as well
1176 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1178 // send the notification upstream/downstream
1179 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1180 } elseif ($item['uid'] != 0) {
1182 // When we delete just our local user copy of an item, we have to set a marker to hide it
1183 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1184 if (DBA::isResult($global_item)) {
1185 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1189 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1195 private static function guid($item, $notify)
1197 if (!empty($item['guid'])) {
1198 return Strings::escapeTags(trim($item['guid']));
1202 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1203 // We add the hash of our own host because our host is the original creator of the post.
1204 $prefix_host = DI::baseUrl()->getHostname();
1208 // We are only storing the post so we create a GUID from the original hostname.
1209 if (!empty($item['author-link'])) {
1210 $parsed = parse_url($item['author-link']);
1211 if (!empty($parsed['host'])) {
1212 $prefix_host = $parsed['host'];
1216 if (empty($prefix_host) && !empty($item['plink'])) {
1217 $parsed = parse_url($item['plink']);
1218 if (!empty($parsed['host'])) {
1219 $prefix_host = $parsed['host'];
1223 if (empty($prefix_host) && !empty($item['uri'])) {
1224 $parsed = parse_url($item['uri']);
1225 if (!empty($parsed['host'])) {
1226 $prefix_host = $parsed['host'];
1230 // Is it in the format data@host.tld? - Used for mail contacts
1231 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1232 $mailparts = explode('@', $item['author-link']);
1233 $prefix_host = array_pop($mailparts);
1237 if (!empty($item['plink'])) {
1238 $guid = self::guidFromUri($item['plink'], $prefix_host);
1239 } elseif (!empty($item['uri'])) {
1240 $guid = self::guidFromUri($item['uri'], $prefix_host);
1242 $guid = System::createUUID(hash('crc32', $prefix_host));
1248 private static function contactId($item)
1250 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1251 return $item['contact-id'];
1252 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1253 return $item['contact-id'];
1254 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1255 return $item['author-id'];
1256 } elseif (!empty($item['contact-id'])) {
1257 return $item['contact-id'];
1259 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1260 if (!empty($contact_id)) {
1264 return $item['author-id'];
1267 // This function will finally cover most of the preparation functionality in mod/item.php
1268 public static function prepare(&$item)
1271 * @TODO: Unused code triggering inspection errors
1273 $data = BBCode::getAttachmentData($item['body']);
1274 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1275 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1276 $posttype = Item::PT_PAGE;
1277 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1283 * Write an item array into a spool file to be inserted later.
1284 * This command is called whenever there are issues storing an item.
1286 * @param array $item The item fields that are to be inserted
1287 * @throws \Exception
1289 private static function spool($orig_item)
1291 // Now we store the data in the spool directory
1292 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1293 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1295 $spoolpath = get_spoolpath();
1296 if ($spoolpath != "") {
1297 $spool = $spoolpath . '/' . $file;
1299 file_put_contents($spool, json_encode($orig_item));
1300 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1305 * Check if the item array is a duplicate
1307 * @param array $item
1308 * @return boolean is it a duplicate?
1310 private static function isDuplicate(array $item)
1312 // Checking if there is already an item with the same guid
1313 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1314 if (self::exists($condition)) {
1315 Logger::notice('Found already existing item', [
1316 'guid' => $item['guid'],
1317 'uid' => $item['uid'],
1318 'network' => $item['network']
1323 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1324 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1325 if (self::exists($condition)) {
1326 Logger::notice('duplicated item with the same uri found.', $item);
1330 // On Friendica and Diaspora the GUID is unique
1331 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1332 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1333 if (self::exists($condition)) {
1334 Logger::notice('duplicated item with the same guid found.', $item);
1337 } elseif ($item['network'] == Protocol::OSTATUS) {
1338 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1339 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1340 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1341 if (self::exists($condition)) {
1342 Logger::notice('duplicated item with the same body found.', $item);
1348 * Check for already added items.
1349 * There is a timing issue here that sometimes creates double postings.
1350 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1352 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1353 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1361 * Check if the item array is valid
1363 * @param array $item
1364 * @return boolean item is valid
1366 public static function isValid(array $item)
1368 // When there is no content then we don't post it
1369 if ($item['body'].$item['title'] == '') {
1370 Logger::notice('No body, no title.');
1374 // check for create date and expire time
1375 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1377 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1378 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1379 $expire_interval = $user['expire'];
1382 if (($expire_interval > 0) && !empty($item['created'])) {
1383 $expire_date = time() - ($expire_interval * 86400);
1384 $created_date = strtotime($item['created']);
1385 if ($created_date < $expire_date) {
1386 Logger::notice('Item created before expiration interval.', [
1387 'created' => date('c', $created_date),
1388 'expired' => date('c', $expire_date),
1395 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1396 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1400 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1401 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1405 if (!empty($item['uid']) && !empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $item['uid'])) {
1406 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1410 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1411 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1415 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1416 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1420 if (!empty($item['uid']) && !empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $item['uid'])) {
1421 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1425 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1426 if (!empty($item['uid']) && !empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $item['uid'])) {
1427 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1431 if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact\User::isIgnored($item['causer-id'], $item['uid'])) {
1432 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1436 if ($item['verb'] == Activity::FOLLOW) {
1437 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1438 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1439 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1443 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1444 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1445 if (self::exists($condition)) {
1446 // It happens that we receive multiple follow requests by the same author - we only store one.
1447 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1456 * Return the id of the given item array if it has been stored before
1458 * @param array $item
1459 * @return integer item id
1461 private static function getDuplicateID(array $item)
1463 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1464 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1465 trim($item['uri']), $item['uid'],
1466 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1467 $existing = self::selectFirst(['id', 'network'], $condition);
1468 if (DBA::isResult($existing)) {
1469 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1470 if ($item['uid'] != 0) {
1471 Logger::notice('Item already existed for user', [
1472 'uri' => $item['uri'],
1473 'uid' => $item['uid'],
1474 'network' => $item['network'],
1475 'existing_id' => $existing["id"],
1476 'existing_network' => $existing["network"]
1480 return $existing["id"];
1487 * Fetch parent data for the given item array
1489 * @param array $item
1490 * @return array item array with parent data
1492 private static function getParentData(array $item)
1494 // find the parent and snarf the item id and ACLs
1495 // and anything else we need to inherit
1497 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1498 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1499 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1500 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1501 $params = ['order' => ['id' => false]];
1502 $parent = self::selectFirst($fields, $condition, $params);
1504 if (!DBA::isResult($parent)) {
1505 Logger::info('item parent was not found - ignoring item', ['parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]);
1508 // is the new message multi-level threaded?
1509 // even though we don't support it now, preserve the info
1510 // and re-attach to the conversation parent.
1511 if ($parent['uri'] != $parent['parent-uri']) {
1512 $item['parent-uri'] = $parent['parent-uri'];
1514 $condition = ['uri' => $item['parent-uri'],
1515 'parent-uri' => $item['parent-uri'],
1516 'uid' => $item['uid']];
1517 $params = ['order' => ['id' => false]];
1518 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1520 if (DBA::isResult($toplevel_parent)) {
1521 $parent = $toplevel_parent;
1525 $item['parent'] = $parent['id'];
1526 $item["deleted"] = $parent['deleted'];
1527 $item["allow_cid"] = $parent['allow_cid'];
1528 $item['allow_gid'] = $parent['allow_gid'];
1529 $item['deny_cid'] = $parent['deny_cid'];
1530 $item['deny_gid'] = $parent['deny_gid'];
1531 $item['parent_origin'] = $parent['origin'];
1533 // Don't federate received participation messages
1534 if ($item['verb'] != Activity::FOLLOW) {
1535 $item['wall'] = $parent['wall'];
1537 $item['wall'] = false;
1541 * If the parent is private, force privacy for the entire conversation
1542 * This differs from the above settings as it subtly allows comments from
1543 * email correspondents to be private even if the overall thread is not.
1545 if ($parent['private']) {
1546 $item['private'] = $parent['private'];
1550 * Edge case. We host a public forum that was originally posted to privately.
1551 * The original author commented, but as this is a comment, the permissions
1552 * weren't fixed up so it will still show the comment as private unless we fix it here.
1554 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1555 $item['private'] = self::PUBLIC;
1558 // If its a post that originated here then tag the thread as "mention"
1559 if ($item['origin'] && $item['uid']) {
1560 DBA::update('thread', ['mention' => true], ['iid' => $item['parent']]);
1561 Logger::info('tagged thread as mention', ['parent' => $item['parent'], 'uid' => $item['uid']]);
1564 // Update the contact relations
1565 Contact\Relation::store($parent['author-id'], $item['author-id'], $item['created']);
1572 * Get the gravity for the given item array
1574 * @param array $item
1575 * @return integer gravity
1577 private static function getGravity(array $item)
1579 $activity = DI::activity();
1581 if (isset($item['gravity'])) {
1582 return intval($item['gravity']);
1583 } elseif ($item['parent-uri'] === $item['uri']) {
1584 return GRAVITY_PARENT;
1585 } elseif ($activity->match($item['verb'], Activity::POST)) {
1586 return GRAVITY_COMMENT;
1587 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1588 return GRAVITY_ACTIVITY;
1589 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1590 return GRAVITY_ACTIVITY;
1592 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1593 return GRAVITY_UNKNOWN; // Should not happen
1596 public static function insert($item, $notify = false, $dontcache = false)
1598 $structure = self::getItemFields();
1602 $priority = PRIORITY_HIGH;
1604 // If it is a posting where users should get notifications, then define it as wall posting
1607 $item['origin'] = 1;
1608 $item['network'] = Protocol::DFRN;
1609 $item['protocol'] = Conversation::PARCEL_DFRN;
1611 if (is_int($notify)) {
1612 $priority = $notify;
1615 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1618 $uid = intval($item['uid']);
1620 $item['guid'] = self::guid($item, $notify);
1621 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1624 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1626 // Store conversation data
1627 $item = Conversation::insert($item);
1629 if (!empty($item['thr-parent'])) {
1630 $item['parent-uri'] = $item['thr-parent'];
1634 * Do we already have this item?
1635 * We have to check several networks since Friendica posts could be repeated
1636 * via OStatus (maybe Diasporsa as well)
1638 $duplicate = self::getDuplicateID($item);
1643 // Additional duplicate checks
1644 /// @todo Check why the first duplication check returns the item number and the second a 0
1645 if (self::isDuplicate($item)) {
1649 $item['wall'] = intval($item['wall'] ?? 0);
1650 $item['extid'] = trim($item['extid'] ?? '');
1651 $item['author-name'] = trim($item['author-name'] ?? '');
1652 $item['author-link'] = trim($item['author-link'] ?? '');
1653 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1654 $item['owner-name'] = trim($item['owner-name'] ?? '');
1655 $item['owner-link'] = trim($item['owner-link'] ?? '');
1656 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1657 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1658 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1659 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1660 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1661 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1662 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1663 $item['location'] = trim($item['location'] ?? '');
1664 $item['coord'] = trim($item['coord'] ?? '');
1665 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1666 $item['deleted'] = 0;
1667 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1668 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1669 $item['verb'] = trim($item['verb'] ?? '');
1670 $item['object-type'] = trim($item['object-type'] ?? '');
1671 $item['object'] = trim($item['object'] ?? '');
1672 $item['target-type'] = trim($item['target-type'] ?? '');
1673 $item['target'] = trim($item['target'] ?? '');
1674 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1675 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1676 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1677 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1678 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1679 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1680 $item['body'] = trim($item['body'] ?? '');
1681 $item['attach'] = trim($item['attach'] ?? '');
1682 $item['app'] = trim($item['app'] ?? '');
1683 $item['origin'] = intval($item['origin'] ?? 0);
1684 $item['postopts'] = trim($item['postopts'] ?? '');
1685 $item['resource-id'] = trim($item['resource-id'] ?? '');
1686 $item['event-id'] = intval($item['event-id'] ?? 0);
1687 $item['inform'] = trim($item['inform'] ?? '');
1688 $item['file'] = trim($item['file'] ?? '');
1690 // Items cannot be stored before they happen ...
1691 if ($item['created'] > DateTimeFormat::utcNow()) {
1692 $item['created'] = DateTimeFormat::utcNow();
1695 // We haven't invented time travel by now.
1696 if ($item['edited'] > DateTimeFormat::utcNow()) {
1697 $item['edited'] = DateTimeFormat::utcNow();
1700 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1702 $item['gravity'] = self::getGravity($item);
1704 $item['language'] = self::getLanguage($item);
1706 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1707 'photo' => $item['author-avatar'], 'network' => $item['network']];
1708 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1710 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1711 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1712 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1714 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1715 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1716 $item['post-type'] = self::PT_FOLLOWER;
1719 // Ensure that there is an avatar cache
1720 Contact::checkAvatarCache($item['author-id']);
1721 Contact::checkAvatarCache($item['owner-id']);
1723 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1724 $item["contact-id"] = self::contactId($item);
1726 if (!self::isValid($item)) {
1730 // We don't store the causer link, only the id
1731 unset($item['causer-link']);
1733 // We don't store these fields anymore in the item table
1734 unset($item['author-link']);
1735 unset($item['author-name']);
1736 unset($item['author-avatar']);
1737 unset($item['author-network']);
1739 unset($item['owner-link']);
1740 unset($item['owner-name']);
1741 unset($item['owner-avatar']);
1743 $item['thr-parent'] = $item['parent-uri'];
1745 if ($item['parent-uri'] != $item['uri']) {
1746 $item = self::getParentData($item);
1751 $parent_id = $item['parent'];
1752 unset($item['parent']);
1753 $parent_origin = $item['parent_origin'];
1754 unset($item['parent_origin']);
1757 $parent_origin = $item['origin'];
1760 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1761 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1763 // Is this item available in the global items (with uid=0)?
1764 if ($item["uid"] == 0) {
1765 $item["global"] = true;
1767 // Set the global flag on all items if this was a global item entry
1768 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1770 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1774 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1775 $item["private"] = self::PRIVATE;
1779 $item['edit'] = false;
1780 $item['parent'] = $parent_id;
1781 Hook::callAll('post_local', $item);
1782 unset($item['edit']);
1783 unset($item['parent']);
1785 Hook::callAll('post_remote', $item);
1788 if (!empty($item['cancel'])) {
1789 Logger::log('post cancelled by addon.');
1793 if (empty($item['vid']) && !empty($item['verb'])) {
1794 $item['vid'] = Verb::getID($item['verb']);
1797 // Creates or assigns the permission set
1798 $item['psid'] = PermissionSet::getIdFromACL(
1806 unset($item['allow_cid']);
1807 unset($item['allow_gid']);
1808 unset($item['deny_cid']);
1809 unset($item['deny_gid']);
1811 // This array field is used to trigger some automatic reactions
1812 // It is mainly used in the "post_local" hook.
1813 unset($item['api_source']);
1815 if ($item['verb'] == Activity::ANNOUNCE) {
1816 self::setOwnerforResharedItem($item);
1819 // Check for hashtags in the body and repair or add hashtag links
1820 $item['body'] = self::setHashtags($item['body']);
1822 // Fill the cache field
1823 self::putInCache($item);
1825 if (stristr($item['verb'], Activity::POKE)) {
1826 $notify_type = Delivery::POKE;
1828 $notify_type = Delivery::POST;
1833 if (!in_array($item['verb'], self::ACTIVITIES)) {
1834 $item['icid'] = self::insertContent($item);
1835 if (empty($item['icid'])) {
1836 // This most likely happens when identical posts arrives from different sources at the same time
1837 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1842 $body = $item['body'];
1844 // We just remove everything that is content
1845 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1846 unset($item[$field]);
1849 unset($item['activity']);
1851 // Filling item related side tables
1853 // Diaspora signature
1854 if (!empty($item['diaspora_signed_text'])) {
1855 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']], true);
1858 unset($item['diaspora_signed_text']);
1860 // Attached file links
1861 if (!empty($item['file'])) {
1862 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1865 unset($item['file']);
1867 // Delivery relevant data
1868 $delivery_data = Post\DeliveryData::extractFields($item);
1869 unset($item['postopts']);
1870 unset($item['inform']);
1872 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1873 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1876 // Store tags from the body if this hadn't been handled previously in the protocol classes
1877 if (!Tag::existsForPost($item['uri-id'])) {
1878 Tag::storeFromBody($item['uri-id'], $body);
1881 // Remove all fields that aren't part of the item table
1882 foreach ($item as $field => $value) {
1883 if (!in_array($field, $structure['item'])) {
1884 unset($item[$field]);
1888 $ret = DBA::insert('item', $item);
1890 // When the item was successfully stored we fetch the ID of the item.
1891 if (DBA::isResult($ret)) {
1892 $current_post = DBA::lastInsertId();
1894 // This can happen - for example - if there are locking timeouts.
1897 // Store the data into a spool file so that we can try again later.
1898 self::spool($orig_item);
1902 if ($current_post == 0) {
1903 // This is one of these error messages that never should occur.
1904 Logger::log("couldn't find created item - we better quit now.");
1909 // How much entries have we created?
1910 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1911 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1914 // There are duplicates. We delete our just created entry.
1915 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1917 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1918 DBA::delete('item', ['id' => $current_post]);
1921 } elseif ($entries == 0) {
1922 // This really should never happen since we quit earlier if there were problems.
1923 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1928 Logger::log('created item '.$current_post);
1930 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1931 $parent_id = $current_post;
1935 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1937 $item['id'] = $current_post;
1938 $item['parent'] = $parent_id;
1940 // update the commented timestamp on the parent
1941 if (DI::config()->get('system', 'like_no_comment')) {
1942 // Update when it is a comment
1943 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1945 // Update when it isn't a follow or tag verb
1946 $update_commented = !in_array($item['verb'], [Activity::FOLLOW, Activity::TAG]);
1949 if ($update_commented) {
1950 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1952 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1955 if ($item['parent-uri'] === $item['uri']) {
1956 self::addThread($current_post);
1958 self::updateThread($parent_id);
1962 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1963 if (self::tagDeliver($item['uid'], $current_post)) {
1964 // Get the user information for the logging
1965 $user = User::getById($uid);
1967 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1972 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1973 if (DBA::isResult($posted_item)) {
1975 Hook::callAll('post_local_end', $posted_item);
1977 Hook::callAll('post_remote_end', $posted_item);
1980 Logger::log('new item not found in DB, id ' . $current_post);
1984 if ($item['parent-uri'] === $item['uri']) {
1985 self::addShadow($current_post);
1987 self::addShadowPost($current_post);
1990 self::updateContact($item);
1992 UserItem::setNotification($current_post);
1994 check_user_notification($current_post);
1996 // Distribute items to users who subscribed to their tags
1997 self::distributeByTags($item);
1999 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
2002 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
2003 // Don't relay participation messages
2004 if (($transmit_item['verb'] == Activity::FOLLOW) &&
2005 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
2006 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2012 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2015 return $current_post;
2019 * Change the owner of a parent item if it had been shared by a forum
2021 * (public) forum posts in the new format consist of the regular post by the author
2022 * followed by an announce message sent from the forum account.
2023 * Changing the owner helps in grouping forum posts.
2025 * @param array $item
2028 private static function setOwnerforResharedItem(array $item)
2030 $parent = self::selectFirst(['id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
2031 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2032 if (!DBA::isResult($parent)) {
2033 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2037 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2038 if (!DBA::isResult($author)) {
2039 Logger::error('Author not found', ['id' => $item['author-id']]);
2043 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2044 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2045 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2049 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2050 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
2051 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2054 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
2055 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2059 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2060 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
2064 * Distribute the given item to users who subscribed to their tags
2066 * @param array $item Processed item
2068 private static function distributeByTags(array $item)
2070 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2074 $uids = Tag::getUIDListByURIId($item['uri-id']);
2075 foreach ($uids as $uid) {
2076 if (Contact::isSharing($item['author-id'], $uid)) {
2079 $fields = ['post-type' => self::PT_TAG];
2082 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2083 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2088 * Insert a new item content entry
2090 * @param array $item The item fields that are to be inserted
2091 * @throws \Exception
2093 private static function insertContent(array $item)
2095 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2097 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2098 if (isset($item[$field])) {
2099 $fields[$field] = $item[$field];
2103 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2104 if (DBA::isResult($item_content)) {
2105 $icid = $item_content['id'];
2106 Logger::info('Content found', ['icid' => $icid, 'uri' => $item['uri']]);
2110 DBA::insert('item-content', $fields, true);
2111 $icid = DBA::lastInsertId();
2113 Logger::info('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2117 // Possibly there can be timing issues. Then the same content could be inserted multiple times.
2118 // Due to the indexes this doesn't happen, but "lastInsertId" will be empty in these situations.
2119 // So we have to fetch the id manually. This is no bug and there is no data loss.
2120 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2121 if (DBA::isResult($item_content)) {
2122 $icid = $item_content['id'];
2123 Logger::notice('Content inserted with empty lastInsertId', ['icid' => $icid, 'uri' => $item['uri']]);
2127 // This shouldn't happen.
2128 Logger::error("Content wasn't inserted", $item);
2133 * Update existing item content entries
2135 * @param array $item The item fields that are to be changed
2136 * @param array $condition The condition for finding the item content entries
2137 * @throws \Exception
2139 private static function updateContent($item, $condition)
2141 // We have to select only the fields from the "item-content" table
2143 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2144 if (isset($item[$field])) {
2145 $fields[$field] = $item[$field];
2149 if (empty($fields)) {
2153 DBA::update('item-content', $fields, $condition, true);
2154 Logger::info('Updated content', ['condition' => $condition]);
2158 * Distributes public items to the receivers
2160 * @param integer $itemid Item ID that should be added
2161 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2162 * @throws \Exception
2164 public static function distribute($itemid, $signed_text = '')
2166 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2167 $parent = self::selectFirst(['owner-id'], $condition);
2168 if (!DBA::isResult($parent)) {
2172 // Only distribute public items from native networks
2173 $condition = ['id' => $itemid, 'uid' => 0,
2174 'network' => array_merge(Protocol::FEDERATED ,['']),
2175 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2176 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2177 if (!DBA::isResult($item)) {
2181 $origin = $item['origin'];
2185 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2186 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2187 if (!DBA::isResult($owner)) {
2191 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2192 $contacts = DBA::select('contact', ['uid'], $condition);
2193 while ($contact = DBA::fetch($contacts)) {
2194 if ($contact['uid'] == 0) {
2198 $users[$contact['uid']] = $contact['uid'];
2200 DBA::close($contacts);
2202 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2203 $contacts = DBA::select('contact', ['uid'], $condition);
2204 while ($contact = DBA::fetch($contacts)) {
2205 if ($contact['uid'] == 0) {
2209 $users[$contact['uid']] = $contact['uid'];
2211 DBA::close($contacts);
2213 if (!empty($owner['alias'])) {
2214 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2215 $contacts = DBA::select('contact', ['uid'], $condition);
2216 while ($contact = DBA::fetch($contacts)) {
2217 if ($contact['uid'] == 0) {
2221 $users[$contact['uid']] = $contact['uid'];
2223 DBA::close($contacts);
2228 if ($item['uri'] != $item['parent-uri']) {
2229 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2230 while ($parent = self::fetch($parents)) {
2231 $users[$parent['uid']] = $parent['uid'];
2232 if ($parent['origin'] && !$origin) {
2233 $origin_uid = $parent['uid'];
2238 foreach ($users as $uid) {
2239 if ($origin_uid == $uid) {
2240 $item['diaspora_signed_text'] = $signed_text;
2242 self::storeForUser($item, $uid);
2247 * Store a public item defined by their URI-ID for the given users
2249 * @param integer $uri_id URI-ID of the given item
2250 * @param integer $uid The user that will receive the item entry
2251 * @param array $fields Additional fields to be stored
2252 * @return integer stored item id
2254 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2256 $item = self::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2257 if (!DBA::isResult($item)) {
2261 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2262 Logger::notice('Item is private or not from a federated network. It will not be stored for the user.', ['uri-id' => $uri_id, 'uid' => $uid, 'private' => $item['private'], 'network' => $item['network']]);
2266 $item['post-type'] = self::PT_STORED;
2268 $item = array_merge($item, $fields);
2270 $stored = self::storeForUser($item, $uid);
2271 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2276 * Store a public item array for the given users
2278 * @param array $item The item entry that will be stored
2279 * @param integer $uid The user that will receive the item entry
2280 * @return integer stored item id
2281 * @throws \Exception
2283 private static function storeForUser(array $item, int $uid)
2285 if (self::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2286 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2291 unset($item['parent']);
2292 unset($item['mention']);
2293 unset($item['starred']);
2294 unset($item['unseen']);
2295 unset($item['psid']);
2297 $item['uid'] = $uid;
2298 $item['origin'] = 0;
2301 if ($item['gravity'] == GRAVITY_PARENT) {
2302 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2304 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2307 if (!empty($contact['id'])) {
2308 $item['contact-id'] = $contact['id'];
2310 // Shouldn't happen at all
2311 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2312 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2313 if (!DBA::isResult($self)) {
2314 // Shouldn't happen even less
2315 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2318 $item['contact-id'] = $self['id'];
2321 /// @todo Handling of "event-id"
2324 if ($item['gravity'] == GRAVITY_PARENT) {
2325 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2326 if (DBA::isResult($contact)) {
2327 $notify = self::isRemoteSelf($contact, $item);
2331 $distributed = self::insert($item, $notify, true);
2333 if (!$distributed) {
2334 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2336 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2338 return $distributed;
2342 * Add a shadow entry for a given item id that is a thread starter
2344 * We store every public item entry additionally with the user id "0".
2345 * This is used for the community page and for the search.
2346 * It is planned that in the future we will store public item entries only once.
2348 * @param integer $itemid Item ID that should be added
2349 * @throws \Exception
2351 public static function addShadow($itemid)
2353 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2354 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2355 $item = self::selectFirst($fields, $condition);
2357 if (!DBA::isResult($item)) {
2361 // is it already a copy?
2362 if (($itemid == 0) || ($item['uid'] == 0)) {
2366 // Is it a visible public post?
2367 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2371 // is it an entry from a connector? Only add an entry for natively connected networks
2372 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2376 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2380 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2382 if (DBA::isResult($item)) {
2383 // Preparing public shadow (removing user specific data)
2386 unset($item['parent']);
2387 unset($item['wall']);
2388 unset($item['mention']);
2389 unset($item['origin']);
2390 unset($item['starred']);
2391 unset($item['postopts']);
2392 unset($item['inform']);
2393 unset($item['post-type']);
2394 if ($item['uri'] == $item['parent-uri']) {
2395 $item['contact-id'] = $item['owner-id'];
2397 $item['contact-id'] = $item['author-id'];
2400 $public_shadow = self::insert($item, false, true);
2402 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2407 * Add a shadow entry for a given item id that is a comment
2409 * This function does the same like the function above - but for comments
2411 * @param integer $itemid Item ID that should be added
2412 * @throws \Exception
2414 public static function addShadowPost($itemid)
2416 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2417 if (!DBA::isResult($item)) {
2421 // Is it a toplevel post?
2422 if ($item['gravity'] == GRAVITY_PARENT) {
2423 self::addShadow($itemid);
2427 // Is this a shadow entry?
2428 if ($item['uid'] == 0) {
2432 // Is there a shadow parent?
2433 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2437 // Is there already a shadow entry?
2438 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2442 // Save "origin" and "parent" state
2443 $origin = $item['origin'];
2444 $parent = $item['parent'];
2446 // Preparing public shadow (removing user specific data)
2449 unset($item['parent']);
2450 unset($item['wall']);
2451 unset($item['mention']);
2452 unset($item['origin']);
2453 unset($item['starred']);
2454 unset($item['postopts']);
2455 unset($item['inform']);
2456 unset($item['post-type']);
2457 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2459 $public_shadow = self::insert($item, false, true);
2461 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2463 // If this was a comment to a Diaspora post we don't get our comment back.
2464 // This means that we have to distribute the comment by ourselves.
2465 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2466 self::distribute($public_shadow);
2471 * Adds a language specification in a "language" element of given $arr.
2472 * Expects "body" element to exist in $arr.
2474 * @param array $item
2475 * @return string detected language
2476 * @throws \Text_LanguageDetect_Exception
2478 private static function getLanguage(array $item)
2480 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT])) {
2484 $naked_body = BBCode::toPlaintext($item['body'], false);
2486 $ld = new Language();
2487 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2488 if (is_array($languages)) {
2489 return json_encode($languages);
2495 public static function getLanguageMessage(array $item)
2497 $used_languages = '';
2498 foreach (json_decode($item['language'], true) as $language => $reliability) {
2499 $used_languages .= $language . ": " . number_format($reliability, 5) . '\n';
2501 $used_languages = DI::l10n()->t('Used languages in this post:\n%s', $used_languages);
2502 return $used_languages;
2506 * Creates an unique guid out of a given uri
2508 * @param string $uri uri of an item entry
2509 * @param string $host hostname for the GUID prefix
2510 * @return string unique guid
2512 public static function guidFromUri($uri, $host)
2514 // Our regular guid routine is using this kind of prefix as well
2515 // We have to avoid that different routines could accidentally create the same value
2516 $parsed = parse_url($uri);
2518 // We use a hash of the hostname as prefix for the guid
2519 $guid_prefix = hash("crc32", $host);
2521 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2522 unset($parsed["scheme"]);
2524 // Glue it together to be able to make a hash from it
2525 $host_id = implode("/", $parsed);
2527 // We could use any hash algorithm since it isn't a security issue
2528 $host_hash = hash("ripemd128", $host_id);
2530 return $guid_prefix.$host_hash;
2534 * generate an unique URI
2536 * @param integer $uid User id
2537 * @param string $guid An existing GUID (Otherwise it will be generated)
2540 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2542 public static function newURI($uid, $guid = "")
2545 $guid = System::createUUID();
2548 return DI::baseUrl()->get() . '/objects/' . $guid;
2552 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2554 * This can be used to filter for inactive contacts.
2555 * Only do this for public postings to avoid privacy problems, since poco data is public.
2556 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2558 * @param array $arr Contains the just posted item record
2559 * @throws \Exception
2561 private static function updateContact($arr)
2563 // Unarchive the author
2564 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2565 if (DBA::isResult($contact)) {
2566 Contact::unmarkForArchival($contact);
2569 // Unarchive the contact if it's not our own contact
2570 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2571 if (DBA::isResult($contact)) {
2572 Contact::unmarkForArchival($contact);
2575 /// @todo On private posts we could obfuscate the date
2576 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2578 // Is it a forum? Then we don't care about the rules from above
2579 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2580 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2586 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2587 // So we have to ensure to only update the last item when it had been our own post,
2588 // or it had been done by a "regular" contact.
2589 if (!empty($arr['wall'])) {
2590 $condition = ['id' => $arr['contact-id']];
2592 $condition = ['id' => $arr['contact-id'], 'self' => false];
2594 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2596 // Now do the same for the system wide contacts with uid=0
2597 if ($arr['private'] != self::PRIVATE) {
2598 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2599 ['id' => $arr['owner-id']]);
2601 if ($arr['owner-id'] != $arr['author-id']) {
2602 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2603 ['id' => $arr['author-id']]);
2608 public static function setHashtags($body)
2610 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2611 $tags = BBCode::getTags($body);
2614 if (!count($tags)) {
2618 // This sorting is important when there are hashtags that are part of other hashtags
2619 // Otherwise there could be problems with hashtags like #test and #test2
2620 // Because of this we are sorting from the longest to the shortest tag.
2621 usort($tags, function ($a, $b) {
2622 return strlen($b) <=> strlen($a);
2625 $URLSearchString = "^\[\]";
2627 // All hashtags should point to the home server if "local_tags" is activated
2628 if (DI::config()->get('system', 'local_tags')) {
2629 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2630 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2633 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2634 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2636 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2639 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2641 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2644 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2646 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2649 // Repair recursive urls
2650 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2653 foreach ($tags as $tag) {
2654 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2658 $basetag = str_replace('_', ' ', substr($tag, 1));
2659 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2661 $body = str_replace($tag, $newtag, $body);
2664 // Convert back the masked hashtags
2665 $body = str_replace("#", "#", $body);
2674 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2677 * @param int $item_id
2678 * @return boolean true if item was deleted, else false
2679 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2680 * @throws \ImagickException
2682 private static function tagDeliver($uid, $item_id)
2686 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2687 if (!DBA::isResult($user)) {
2691 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2692 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2694 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2695 if (!DBA::isResult($item)) {
2699 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2702 * Diaspora uses their own hardwired link URL in @-tags
2703 * instead of the one we supply with webfinger
2705 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2707 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2709 foreach ($matches as $mtch) {
2710 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2712 Logger::log('mention found: ' . $mtch[2]);
2718 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2719 foreach ($tags as $tag) {
2720 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2722 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2728 if (($community_page || $prvgroup) &&
2729 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2730 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2731 DBA::delete('item', ['id' => $item_id]);
2737 $arr = ['item' => $item, 'user' => $user];
2739 Hook::callAll('tagged', $arr);
2741 if (!$community_page && !$prvgroup) {
2746 * tgroup delivery - setup a second delivery chain
2747 * prevent delivery looping - only proceed
2748 * if the message originated elsewhere and is a top-level post
2750 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2754 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2755 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2756 if (!DBA::isResult($self)) {
2760 $owner_id = Contact::getIdForURL($self['url']);
2762 // also reset all the privacy bits to the forum default permissions
2764 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2766 $psid = PermissionSet::getIdFromACL(
2774 $forum_mode = ($prvgroup ? 2 : 1);
2776 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2777 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2778 self::update($fields, ['id' => $item_id]);
2780 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2782 Item::performActivity($item_id, 'announce', $uid);
2787 public static function isRemoteSelf($contact, &$datarray)
2789 if (!$contact['remote_self']) {
2793 // Prevent the forwarding of posts that are forwarded
2794 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2795 Logger::info('Already forwarded');
2799 // Prevent to forward already forwarded posts
2800 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2801 Logger::info('Already forwarded (second test)');
2805 // Only forward posts
2806 if ($datarray["verb"] != Activity::POST) {
2807 Logger::info('No post');
2811 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2812 Logger::info('Not public');
2816 $datarray2 = $datarray;
2817 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2818 if ($contact['remote_self'] == 2) {
2819 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2820 ['uid' => $contact['uid'], 'self' => true]);
2821 if (DBA::isResult($self)) {
2822 $datarray['contact-id'] = $self["id"];
2824 $datarray['owner-name'] = $self["name"];
2825 $datarray['owner-link'] = $self["url"];
2826 $datarray['owner-avatar'] = $self["thumb"];
2828 $datarray['author-name'] = $datarray['owner-name'];
2829 $datarray['author-link'] = $datarray['owner-link'];
2830 $datarray['author-avatar'] = $datarray['owner-avatar'];
2832 unset($datarray['edited']);
2834 unset($datarray['network']);
2835 unset($datarray['owner-id']);
2836 unset($datarray['author-id']);
2839 if ($contact['network'] != Protocol::FEED) {
2840 $datarray["guid"] = System::createUUID();
2841 unset($datarray["plink"]);
2842 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2843 $datarray["parent-uri"] = $datarray["uri"];
2844 $datarray["thr-parent"] = $datarray["uri"];
2845 $datarray["extid"] = Protocol::DFRN;
2846 $urlpart = parse_url($datarray2['author-link']);
2847 $datarray["app"] = $urlpart["host"];
2849 $datarray['private'] = self::PUBLIC;
2853 if ($contact['network'] != Protocol::FEED) {
2854 // Store the original post
2855 $result = self::insert($datarray2);
2856 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2858 $datarray["app"] = "Feed";
2862 // Trigger automatic reactions for addons
2863 $datarray['api_source'] = true;
2865 // We have to tell the hooks who we are - this really should be improved
2866 $_SESSION["authenticated"] = true;
2867 $_SESSION["uid"] = $contact['uid'];
2876 * @param array $item
2879 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2880 * @throws \ImagickException
2882 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2884 if (DI::config()->get('system', 'disable_embedded')) {
2888 Logger::info('check for photos');
2889 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2894 $img_start = strpos($orig_body, '[img');
2895 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2896 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2898 while (($img_st_close !== false) && ($img_len !== false)) {
2899 $img_st_close++; // make it point to AFTER the closing bracket
2900 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2902 Logger::info('found photo', ['image' => $image]);
2904 if (stristr($image, $site . '/photo/')) {
2905 // Only embed locally hosted photos
2907 $i = basename($image);
2908 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2909 $x = strpos($i, '-');
2912 $res = substr($i, $x + 1);
2913 $i = substr($i, 0, $x);
2914 $photo = Photo::getPhotoForUser($uid, $i, $res);
2915 if (DBA::isResult($photo)) {
2917 * Check to see if we should replace this photo link with an embedded image
2918 * 1. No need to do so if the photo is public
2919 * 2. If there's a contact-id provided, see if they're in the access list
2920 * for the photo. If so, embed it.
2921 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2922 * permissions, regardless of order but first check to see if they're an exact
2923 * match to save some processing overhead.
2925 if (self::hasPermissions($photo)) {
2927 $recips = self::enumeratePermissions($photo);
2928 if (in_array($cid, $recips)) {
2932 if (self::samePermissions($uid, $item, $photo)) {
2938 $photo_img = Photo::getImageForPhoto($photo);
2939 // If a custom width and height were specified, apply before embedding
2940 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2941 Logger::info('scaling photo');
2943 $width = intval($match[1]);
2944 $height = intval($match[2]);
2946 $photo_img->scaleDown(max($width, $height));
2949 $data = $photo_img->asString();
2950 $type = $photo_img->getType();
2952 Logger::info('replacing photo');
2953 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2954 Logger::debug('replaced', ['image' => $image]);
2960 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2961 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2962 if ($orig_body === false) {
2966 $img_start = strpos($orig_body, '[img');
2967 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2968 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2971 $new_body = $new_body . $orig_body;
2976 private static function hasPermissions($obj)
2978 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2979 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2982 private static function samePermissions($uid, $obj1, $obj2)
2984 // first part is easy. Check that these are exactly the same.
2985 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2986 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2987 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2988 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2992 // This is harder. Parse all the permissions and compare the resulting set.
2993 $recipients1 = self::enumeratePermissions($obj1);
2994 $recipients2 = self::enumeratePermissions($obj2);
2998 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2999 return ($recipients1 == $recipients2);
3003 * Returns an array of contact-ids that are allowed to see this object
3005 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3006 * @param bool $check_dead Prunes unavailable contacts from the result
3008 * @throws \Exception
3010 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3012 $aclFormater = DI::aclFormatter();
3014 $allow_people = $aclFormater->expand($obj['allow_cid']);
3015 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3016 $deny_people = $aclFormater->expand($obj['deny_cid']);
3017 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3018 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3019 $deny = array_unique(array_merge($deny_people, $deny_groups));
3020 $recipients = array_diff($recipients, $deny);
3024 public static function expire($uid, $days, $network = "", $force = false)
3026 if (!$uid || ($days < 1)) {
3030 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
3031 $uid, GRAVITY_PARENT];
3034 * $expire_network_only = save your own wall posts
3035 * and just expire conversations started by others
3037 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3039 if ($expire_network_only) {
3040 $condition[0] .= " AND NOT `wall`";
3043 if ($network != "") {
3044 $condition[0] .= " AND `network` = ?";
3045 $condition[] = $network;
3048 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3049 $condition[] = $days;
3051 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3053 if (!DBA::isResult($items)) {
3057 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3059 // Forcing expiring of items - but not notes and marked items
3061 $expire_items = true;
3064 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3065 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3066 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3070 while ($item = Item::fetch($items)) {
3071 // don't expire filed items
3073 if (strpos($item['file'], '[') !== false) {
3077 // Only expire posts, not photos and photo comments
3079 if (!$expire_photos && strlen($item['resource-id'])) {
3081 } elseif (!$expire_starred && intval($item['starred'])) {
3083 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3085 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3089 self::markForDeletionById($item['id'], PRIORITY_LOW);
3094 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3097 public static function firstPostDate($uid, $wall = false)
3099 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3100 $params = ['order' => ['received' => false]];
3101 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3102 if (DBA::isResult($thread)) {
3103 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3109 * add/remove activity to an item
3111 * Toggle activities as like,dislike,attend of an item
3113 * @param int $item_id
3114 * @param string $verb
3115 * Activity verb. One of
3116 * like, unlike, dislike, undislike, attendyes, unattendyes,
3117 * attendno, unattendno, attendmaybe, unattendmaybe,
3118 * announce, unannouce
3120 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3121 * @throws \ImagickException
3122 * @hook 'post_local_end'
3124 * 'post_id' => ID of posted item
3126 public static function performActivity(int $item_id, string $verb, int $uid)
3132 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3134 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3135 if (!DBA::isResult($item)) {
3136 Logger::log('like: unknown item ' . $item_id);
3140 $item_uri = $item['uri'];
3142 if (!in_array($item['uid'], [0, $uid])) {
3146 if (!Item::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3147 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3148 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3149 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3150 if (!DBA::isResult($item)) {
3151 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3157 // Retrieves the local post owner
3158 $owner = User::getOwnerDataById($uid);
3159 if (empty($owner)) {
3160 Logger::info('Empty owner for user', ['uid' => $uid]);
3164 // Retrieve the current logged in user's public contact
3165 $author_id = Contact::getIdForURL($owner['url']);
3166 if (empty($author_id)) {
3167 Logger::info('Empty public contact');
3175 $activity = Activity::LIKE;
3179 $activity = Activity::DISLIKE;
3183 $activity = Activity::ATTEND;
3187 $activity = Activity::ATTENDNO;
3190 case 'unattendmaybe':
3191 $activity = Activity::ATTENDMAYBE;
3195 $activity = Activity::FOLLOW;
3199 $activity = Activity::ANNOUNCE;
3202 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3206 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3208 // Enable activity toggling instead of on/off
3209 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3211 // Look for an existing verb row
3212 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3213 if ($event_verb_flag) {
3214 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3216 // Translate to the index based activity index
3218 foreach ($verbs as $verb) {
3219 $vids[] = Verb::getID($verb);
3222 $vids = Verb::getID($activity);
3225 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3226 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3227 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3229 if (DBA::isResult($like_item)) {
3231 * Truth table for existing activities
3233 * | Inputs || Outputs |
3234 * |----------------------------||-------------------|
3235 * | Mode | Event | Same verb || Delete? | Return? |
3236 * |--------|-------|-----------||---------|---------|
3237 * | create | Yes | Yes || No | Yes |
3238 * | create | Yes | No || Yes | No |
3239 * | create | No | Yes || No | Yes |
3240 * | create | No | No || N/A†|
3241 * | delete | Yes | Yes || Yes | N/A‡ |
3242 * | delete | Yes | No || No | N/A‡ |
3243 * | delete | No | Yes || Yes | N/A‡ |
3244 * | delete | No | No || N/A†|
3245 * |--------|-------|-----------||---------|---------|
3246 * | A | B | C || A xor C | !B or C |
3248 * †Can't happen: It's impossible to find an existing non-event activity without
3249 * the same verb because we are only looking for this single verb.
3251 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3253 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3254 self::markForDeletionById($like_item['id']);
3257 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3262 // No need to go further if we aren't creating anything
3263 if ($mode == 'delete') {
3267 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3270 'guid' => System::createUUID(),
3271 'uri' => self::newURI($item['uid']),
3272 'uid' => $item['uid'],
3273 'contact-id' => $owner['id'],
3274 'wall' => $item['wall'],
3276 'network' => Protocol::DFRN,
3277 'gravity' => GRAVITY_ACTIVITY,
3278 'parent' => $item['id'],
3279 'parent-uri' => $item['uri'],
3280 'thr-parent' => $item['uri'],
3281 'owner-id' => $author_id,
3282 'author-id' => $author_id,
3283 'body' => $activity,
3284 'verb' => $activity,
3285 'object-type' => $objtype,
3286 'allow_cid' => $item['allow_cid'],
3287 'allow_gid' => $item['allow_gid'],
3288 'deny_cid' => $item['deny_cid'],
3289 'deny_gid' => $item['deny_gid'],
3294 $signed = Diaspora::createLikeSignature($uid, $new_item);
3295 if (!empty($signed)) {
3296 $new_item['diaspora_signed_text'] = json_encode($signed);
3299 $new_item_id = self::insert($new_item);
3301 // If the parent item isn't visible then set it to visible
3302 if (!$item['visible']) {
3303 self::update(['visible' => true], ['id' => $item['id']]);
3306 $new_item['id'] = $new_item_id;
3308 Hook::callAll('post_local_end', $new_item);
3313 private static function addThread($itemid, $onlyshadow = false)
3315 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3316 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3317 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3318 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3319 $item = self::selectFirst($fields, $condition);
3321 if (!DBA::isResult($item)) {
3325 $item['iid'] = $itemid;
3328 $result = DBA::insert('thread', $item);
3330 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3334 private static function updateThread($itemid, $setmention = false)
3336 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3337 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3338 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3340 $item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3341 if (!DBA::isResult($item)) {
3346 $item["mention"] = 1;
3351 foreach ($item as $field => $data) {
3352 if (!in_array($field, ["guid"])) {
3353 $fields[$field] = $data;
3357 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3359 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3362 private static function deleteThread($itemid, $itemuri = "")
3364 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3365 if (!DBA::isResult($item)) {
3366 Logger::info('No thread found', ['id' => $itemid]);
3370 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3372 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3374 if ($itemuri != "") {
3375 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3376 if (!self::exists($condition)) {
3377 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3378 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3383 public static function getPermissionsSQLByUserId($owner_id)
3385 $local_user = local_user();
3386 $remote_user = Session::getRemoteContactID($owner_id);
3389 * Construct permissions
3391 * default permissions - anonymous user
3393 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3395 // Profile owner - everything is visible
3396 if ($local_user && ($local_user == $owner_id)) {
3398 } elseif ($remote_user) {
3400 * Authenticated visitor. Unless pre-verified,
3401 * check that the contact belongs to this $owner_id
3402 * and load the groups the visitor belongs to.
3403 * If pre-verified, the caller is expected to have already
3404 * done this and passed the groups into this function.
3406 $set = PermissionSet::get($owner_id, $remote_user);
3409 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3414 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3421 * get translated item type
3426 public static function postType($item)
3428 if (!empty($item['event-id'])) {
3429 return DI::l10n()->t('event');
3430 } elseif (!empty($item['resource-id'])) {
3431 return DI::l10n()->t('photo');
3432 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3433 return DI::l10n()->t('activity');
3434 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3435 return DI::l10n()->t('comment');
3438 return DI::l10n()->t('post');
3442 * Sets the "rendered-html" field of the provided item
3444 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3446 * @param array $item
3447 * @param bool $update
3449 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3450 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3452 public static function putInCache(&$item, $update = false)
3454 $body = $item["body"];
3456 $rendered_hash = $item['rendered-hash'] ?? '';
3457 $rendered_html = $item['rendered-html'] ?? '';
3459 if ($rendered_hash == ''
3460 || $rendered_html == ""
3461 || $rendered_hash != hash("md5", $item["body"])
3462 || DI::config()->get("system", "ignore_cache")
3464 self::addRedirToImageTags($item);
3466 $item["rendered-html"] = BBCode::convert($item["body"]);
3467 $item["rendered-hash"] = hash("md5", $item["body"]);
3469 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3470 Hook::callAll('put_item_in_cache', $hook_data);
3471 $item['rendered-html'] = $hook_data['rendered-html'];
3472 $item['rendered-hash'] = $hook_data['rendered-hash'];
3475 // Force an update if the generated values differ from the existing ones
3476 if ($rendered_hash != $item["rendered-hash"]) {
3480 // Only compare the HTML when we forcefully ignore the cache
3481 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3485 if ($update && !empty($item["id"])) {
3488 'rendered-html' => $item["rendered-html"],
3489 'rendered-hash' => $item["rendered-hash"]
3491 ['id' => $item["id"]]
3496 $item["body"] = $body;
3500 * Find any non-embedded images in private items and add redir links to them
3502 * @param array &$item The field array of an item row
3504 private static function addRedirToImageTags(array &$item)
3509 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3511 foreach ($matches as $mtch) {
3512 if (strpos($mtch[1], '/redir') !== false) {
3516 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3517 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3518 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3525 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3526 * If attach is true, also add icons for item attachments.
3528 * @param array $item
3529 * @param boolean $attach
3530 * @param boolean $is_preview
3531 * @return string item body html
3532 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3533 * @throws \ImagickException
3534 * @hook prepare_body_init item array before any work
3535 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3536 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3537 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3539 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3542 Hook::callAll('prepare_body_init', $item);
3544 // In order to provide theme developers more possibilities, event items
3545 // are treated differently.
3546 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3547 $ev = Event::getItemHTML($item);
3551 $tags = Tag::populateFromItem($item);
3553 $item['tags'] = $tags['tags'];
3554 $item['hashtags'] = $tags['hashtags'];
3555 $item['mentions'] = $tags['mentions'];
3557 // Compile eventual content filter reasons
3558 $filter_reasons = [];
3559 if (!$is_preview && public_contact() != $item['author-id']) {
3560 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3561 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3566 'filter_reasons' => $filter_reasons
3568 Hook::callAll('prepare_body_content_filter', $hook_data);
3569 $filter_reasons = $hook_data['filter_reasons'];
3573 // Update the cached values if there is no "zrl=..." on the links.
3574 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3576 // Or update it if the current viewer is the intented viewer.
3577 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3581 self::putInCache($item, $update);
3582 $s = $item["rendered-html"];
3587 'preview' => $is_preview,
3588 'filter_reasons' => $filter_reasons
3590 Hook::callAll('prepare_body', $hook_data);
3591 $s = $hook_data['html'];
3595 // Replace the blockquotes with quotes that are used in mails.
3596 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3597 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3604 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3605 foreach ($matches as $mtch) {
3608 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3610 if (strpos($mime, 'video') !== false) {
3613 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3616 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3618 'id' => $item['author-id'],
3619 'title' => DI::l10n()->t('View Video'),
3626 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3628 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3629 $filesubtype = str_replace('.', '-', $filesubtype);
3632 $filesubtype = 'unkn';
3635 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3636 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3638 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3639 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3643 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3647 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3648 $x = Map::byCoordinates(trim($item['coord']));
3650 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3654 // Replace friendica image url size with theme preference.
3655 if (!empty($a->theme_info['item_image_size'])) {
3656 $ps = $a->theme_info['item_image_size'];
3657 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3660 $s = HTML::applyContentFilter($s, $filter_reasons);
3662 $hook_data = ['item' => $item, 'html' => $s];
3663 Hook::callAll('prepare_body_final', $hook_data);
3665 return $hook_data['html'];
3669 * get private link for item
3671 * @param array $item
3672 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3673 * @throws \Exception
3675 public static function getPlink($item)
3679 'href' => "display/" . $item['guid'],
3680 'orig' => "display/" . $item['guid'],
3681 'title' => DI::l10n()->t('View on separate page'),
3682 'orig_title' => DI::l10n()->t('view on separate page'),
3685 if (!empty($item['plink'])) {
3686 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3687 $ret["title"] = DI::l10n()->t('link to source');
3689 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3691 'href' => $item['plink'],
3692 'orig' => $item['plink'],
3693 'title' => DI::l10n()->t('link to source'),
3703 * Is the given item array a post that is sent as starting post to a forum?
3705 * @param array $item
3706 * @param array $owner
3708 * @return boolean "true" when it is a forum post
3710 public static function isForumPost(array $item, array $owner = [])
3712 if (empty($owner)) {
3713 $owner = User::getOwnerDataById($item['uid']);
3714 if (empty($owner)) {
3719 if (($item['author-id'] == $item['owner-id']) ||
3720 ($owner['id'] == $item['contact-id']) ||
3721 ($item['uri'] != $item['parent-uri']) ||
3726 return Contact::isForum($item['contact-id']);
3730 * Search item id for given URI or plink
3732 * @param string $uri
3733 * @param integer $uid
3735 * @return integer item id
3737 public static function searchByLink($uri, $uid = 0)
3739 $ssl_uri = str_replace('http://', 'https://', $uri);
3740 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3742 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3743 if (DBA::isResult($item)) {
3747 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3748 if (!DBA::isResult($itemcontent)) {
3752 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3753 if (!DBA::isResult($itemuri)) {
3757 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3758 if (DBA::isResult($item)) {
3766 * Return the URI for a link to the post
3768 * @param string $uri URI or link to post
3770 * @return string URI
3772 public static function getURIByLink(string $uri)
3774 $ssl_uri = str_replace('http://', 'https://', $uri);
3775 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3777 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3778 if (DBA::isResult($item)) {
3779 return $item['uri'];
3782 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3783 if (!DBA::isResult($itemcontent)) {
3787 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3788 if (DBA::isResult($itemuri)) {
3789 return $itemuri['uri'];
3796 * Fetches item for given URI or plink
3798 * @param string $uri
3799 * @param integer $uid
3801 * @return integer item id
3803 public static function fetchByLink(string $uri, int $uid = 0)
3805 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3806 $item_id = self::searchByLink($uri, $uid);
3807 if (!empty($item_id)) {
3808 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3812 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3813 $item_id = self::searchByLink($fetched_uri, $uid);
3815 $item_id = Diaspora::fetchByURL($uri);
3818 if (!empty($item_id)) {
3819 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3823 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3828 * Return share data from an item array (if the item is shared item)
3829 * We are providing the complete Item array, because at some time in the future
3830 * we hopefully will define these values not in the body anymore but in some item fields.
3831 * This function is meant to replace all similar functions in the system.
3833 * @param array $item
3835 * @return array with share information
3837 public static function getShareArray($item)
3839 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3843 $attribute_string = $matches[2];
3844 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3845 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3846 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3847 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3854 * Fetch item information for shared items from the original items and adds it.
3856 * @param array $item
3858 * @return array item array with data from the original item
3860 public static function addShareDataFromOriginal(array $item)
3862 $shared = self::getShareArray($item);
3863 if (empty($shared)) {
3867 // Real reshares always have got a GUID.
3868 if (empty($shared['guid'])) {
3872 $uid = $item['uid'] ?? 0;
3874 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3875 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3876 if (!DBA::isResult($shared_item)) {
3877 if (empty($shared['link'])) {
3881 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3882 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3884 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3888 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3889 if (!DBA::isResult($shared_item)) {
3892 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3894 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3897 if (!empty($shared_item['title'])) {
3898 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3899 unset($shared_item['title']);
3901 $body = $shared_item['body'];
3904 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3905 unset($shared_item['body']);
3907 return array_merge($item, $shared_item);