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\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Post\Category;
36 use Friendica\Protocol\Activity;
37 use Friendica\Protocol\ActivityPub;
38 use Friendica\Protocol\Diaspora;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Map;
41 use Friendica\Util\Network;
42 use Friendica\Util\Security;
43 use Friendica\Util\Strings;
44 use Friendica\Worker\Delivery;
45 use Text_LanguageDetect;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Field list that is used to display the items
62 const DISPLAY_FIELDLIST = [
63 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
64 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
65 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
66 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
67 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
68 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
69 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
70 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
71 'writable', 'self', 'cid', 'alias', 'pinned',
72 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
73 'event-summary', 'event-desc', 'event-location', 'event-type',
74 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
75 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed', 'activity'
78 // Field list that is used to deliver items via the protocols
79 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
80 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
81 'private', 'title', 'body', 'location', 'coord', 'app',
82 'attach', 'deleted', 'extid', 'post-type',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
84 'author-id', 'author-link', 'owner-link', 'contact-uid',
85 'signed_text', 'signature', 'signer', 'network'];
87 // Field list for "item-content" table that is mixed with the item table
88 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
89 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
90 'object-type', 'object', 'target-type', 'target', 'plink'];
92 // Field list for "item-content" table that is not present in the "item" table
93 const CONTENT_FIELDLIST = ['language'];
95 // All fields in the item table
96 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
97 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
98 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
99 'created', 'edited', 'commented', 'received', 'changed', 'verb',
100 'postopts', 'plink', 'resource-id', 'event-id', 'attach', 'inform',
101 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
102 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
103 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
104 'title', 'content-warning', 'body', 'location', 'coord', 'app',
105 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
106 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
107 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
109 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
110 // The item-activity table only stores the index and needs this array to know the matching activity.
112 Activity::LIKE, Activity::DISLIKE,
113 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
121 private static $legacy_mode = null;
123 public static function isLegacyMode()
125 if (is_null(self::$legacy_mode)) {
126 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
129 return self::$legacy_mode;
133 * Set the pinned state of an item
135 * @param integer $iid Item ID
136 * @param integer $uid User ID
137 * @param boolean $pinned Pinned state
139 public static function setPinned(int $iid, int $uid, bool $pinned)
141 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
145 * Get the pinned state
147 * @param integer $iid Item ID
148 * @param integer $uid User ID
150 * @return boolean pinned state
152 public static function getPinned(int $iid, int $uid)
154 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
155 if (!DBA::isResult($useritem)) {
158 return (bool)$useritem['pinned'];
162 * Select pinned rows from the item table for a given user
164 * @param integer $uid User ID
165 * @param array $selected Array of selected fields, empty for all
166 * @param array $condition Array of fields for condition
167 * @param array $params Array of several parameters
169 * @return boolean|object
172 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
174 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
175 if (!DBA::isResult($useritems)) {
180 while ($useritem = DBA::fetch($useritems)) {
181 $pinned[] = $useritem['iid'];
183 DBA::close($useritems);
185 if (empty($pinned)) {
189 if (empty($condition) || !is_array($condition)) {
190 $condition = ['iid' => $pinned];
193 $first_key = key($condition);
194 if (!is_int($first_key)) {
195 $condition['iid'] = $pinned;
197 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
198 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
199 $condition = array_merge($condition, $pinned);
203 return self::selectThreadForUser($uid, $selected, $condition, $params);
207 * returns an activity index from an activity string
209 * @param string $activity activity string
210 * @return integer Activity index
212 public static function activityToIndex($activity)
214 $index = array_search($activity, self::ACTIVITIES);
216 if (is_bool($index)) {
224 * returns an activity string from an activity index
226 * @param integer $index activity index
227 * @return string Activity string
229 private static function indexToActivity($index)
231 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
235 return self::ACTIVITIES[$index];
239 * Fetch a single item row
241 * @param mixed $stmt statement object
242 * @return array current row
244 public static function fetch($stmt)
246 $row = DBA::fetch($stmt);
252 // ---------------------- Transform item structure data ----------------------
254 // We prefer the data from the user's contact over the public one
255 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
256 ($row['author-link'] == $row['contact-link'])) {
257 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
258 $row['author-avatar'] = $row['contact-avatar'];
260 if (isset($row['author-name']) && !empty($row['contact-name'])) {
261 $row['author-name'] = $row['contact-name'];
265 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
266 ($row['owner-link'] == $row['contact-link'])) {
267 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
268 $row['owner-avatar'] = $row['contact-avatar'];
270 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
271 $row['owner-name'] = $row['contact-name'];
275 // We can always comment on posts from these networks
276 if (array_key_exists('writable', $row) &&
277 in_array($row['internal-network'], Protocol::FEDERATED)) {
278 $row['writable'] = true;
281 // ---------------------- Transform item content data ----------------------
283 // Fetch data from the item-content table whenever there is content there
284 if (self::isLegacyMode()) {
285 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
286 foreach ($legacy_fields as $field) {
287 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
288 $row[$field] = $row['internal-item-' . $field];
290 unset($row['internal-item-' . $field]);
294 if (array_key_exists('verb', $row)) {
295 if (!is_null($row['internal-verb'])) {
296 $row['verb'] = $row['internal-verb'];
297 } elseif (!is_null($row['internal-activity'])) {
298 $row['verb'] = self::indexToActivity($row['internal-activity']);
301 if (in_array($row['verb'], self::ACTIVITIES)) {
302 if (array_key_exists('title', $row)) {
305 if (array_key_exists('body', $row)) {
306 $row['body'] = $row['verb'];
308 if (array_key_exists('object', $row)) {
311 if (array_key_exists('object-type', $row)) {
312 $row['object-type'] = Activity\ObjectType::NOTE;
314 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
315 // Posts don't have a target - but having tags or files.
316 if (array_key_exists('target', $row)) {
322 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
323 // Build the file string out of the term entries
324 if (array_key_exists('file', $row) && empty($row['file'])) {
325 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
329 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
330 if (array_key_exists('allow_cid', $row)) {
331 $row['allow_cid'] = '';
333 if (array_key_exists('allow_gid', $row)) {
334 $row['allow_gid'] = '';
336 if (array_key_exists('deny_cid', $row)) {
337 $row['deny_cid'] = '';
339 if (array_key_exists('deny_gid', $row)) {
340 $row['deny_gid'] = '';
344 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
345 $row['ignored'] = $row['internal-user-ignored'];
348 // Remove internal fields
349 unset($row['internal-activity']);
350 unset($row['internal-network']);
351 unset($row['internal-uri-id']);
352 unset($row['internal-uid']);
353 unset($row['internal-psid']);
354 unset($row['internal-verb']);
355 unset($row['internal-user-ignored']);
356 unset($row['interaction']);
362 * Fills an array with data from an item query
364 * @param object $stmt statement object
365 * @param bool $do_close
366 * @return array Data array
368 public static function inArray($stmt, $do_close = true) {
369 if (is_bool($stmt)) {
374 while ($row = self::fetch($stmt)) {
384 * Check if item data exists
386 * @param array $condition array of fields for condition
388 * @return boolean Are there rows for that condition?
391 public static function exists($condition) {
392 $stmt = self::select(['id'], $condition, ['limit' => 1]);
394 if (is_bool($stmt)) {
397 $retval = (DBA::numRows($stmt) > 0);
406 * Retrieve a single record from the item table for a given user and returns it in an associative array
408 * @param integer $uid User ID
409 * @param array $selected
410 * @param array $condition
411 * @param array $params
416 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
418 $params['uid'] = $uid;
420 if (empty($selected)) {
421 $selected = Item::DISPLAY_FIELDLIST;
424 return self::selectFirst($selected, $condition, $params);
428 * Select rows from the item table for a given user
430 * @param integer $uid User ID
431 * @param array $selected Array of selected fields, empty for all
432 * @param array $condition Array of fields for condition
433 * @param array $params Array of several parameters
435 * @return boolean|object
438 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
440 $params['uid'] = $uid;
442 if (empty($selected)) {
443 $selected = Item::DISPLAY_FIELDLIST;
446 return self::select($selected, $condition, $params);
450 * Retrieve a single record from the item table and returns it in an associative array
452 * @param array $fields
453 * @param array $condition
454 * @param array $params
459 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
461 $params['limit'] = 1;
463 $result = self::select($fields, $condition, $params);
465 if (is_bool($result)) {
468 $row = self::fetch($result);
475 * Select rows from the item table and returns them as an array
477 * @param array $selected Array of selected fields, empty for all
478 * @param array $condition Array of fields for condition
479 * @param array $params Array of several parameters
484 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
486 $result = self::select($fields, $condition, $params);
488 if (is_bool($result)) {
493 while ($row = self::fetch($result)) {
502 * Select rows from the item table
504 * @param array $selected Array of selected fields, empty for all
505 * @param array $condition Array of fields for condition
506 * @param array $params Array of several parameters
508 * @return boolean|object
511 public static function select(array $selected = [], array $condition = [], $params = [])
516 if (isset($params['uid'])) {
517 $uid = $params['uid'];
521 $fields = self::fieldlist($usermode);
523 $select_fields = self::constructSelectFields($fields, $selected);
525 $condition_string = DBA::buildCondition($condition);
527 $condition_string = self::addTablesToFields($condition_string, $fields);
530 $condition_string = $condition_string . ' AND ' . self::condition(false);
533 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
535 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
537 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
539 return DBA::p($sql, $condition);
543 * Select rows from the starting post in the item table
545 * @param integer $uid User ID
546 * @param array $selected
547 * @param array $condition Array of fields for condition
548 * @param array $params Array of several parameters
550 * @return boolean|object
553 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
555 $params['uid'] = $uid;
557 if (empty($selected)) {
558 $selected = Item::DISPLAY_FIELDLIST;
561 return self::selectThread($selected, $condition, $params);
565 * Retrieve a single record from the starting post in the item table and returns it in an associative array
567 * @param integer $uid User ID
568 * @param array $selected
569 * @param array $condition
570 * @param array $params
575 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
577 $params['uid'] = $uid;
579 if (empty($selected)) {
580 $selected = Item::DISPLAY_FIELDLIST;
583 return self::selectFirstThread($selected, $condition, $params);
587 * Retrieve a single record from the starting post in the item table and returns it in an associative array
589 * @param array $fields
590 * @param array $condition
591 * @param array $params
596 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
598 $params['limit'] = 1;
599 $result = self::selectThread($fields, $condition, $params);
601 if (is_bool($result)) {
604 $row = self::fetch($result);
611 * Select rows from the starting post in the item table
613 * @param array $selected Array of selected fields, empty for all
614 * @param array $condition Array of fields for condition
615 * @param array $params Array of several parameters
617 * @return boolean|object
620 public static function selectThread(array $selected = [], array $condition = [], $params = [])
625 if (isset($params['uid'])) {
626 $uid = $params['uid'];
630 $fields = self::fieldlist($usermode);
632 $fields['thread'] = ['mention', 'ignored', 'iid'];
634 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
635 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
636 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
637 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
639 $select_fields = self::constructSelectFields($fields, $selected);
641 $condition_string = DBA::buildCondition($condition);
643 $condition_string = self::addTablesToFields($condition_string, $threadfields);
644 $condition_string = self::addTablesToFields($condition_string, $fields);
647 $condition_string = $condition_string . ' AND ' . self::condition(true);
650 $param_string = DBA::buildParameter($params);
651 $param_string = self::addTablesToFields($param_string, $threadfields);
652 $param_string = self::addTablesToFields($param_string, $fields);
654 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
656 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
658 return DBA::p($sql, $condition);
662 * Returns a list of fields that are associated with the item table
665 * @return array field list
667 private static function fieldlist($usermode)
671 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
672 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
673 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
674 'created', 'edited', 'commented', 'received', 'changed', 'psid',
675 'resource-id', 'event-id', 'attach', 'post-type', 'file',
676 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
677 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
678 'id' => 'item_id', 'network', 'icid', 'iaid',
679 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
680 'network' => 'internal-network', 'psid' => 'internal-psid'];
683 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
686 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
688 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
690 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
692 $fields['verb'] = ['name' => 'internal-verb'];
694 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
696 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
697 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
699 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
700 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
702 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
703 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
704 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
706 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
708 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
710 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
711 'start' => 'event-start','finish' => 'event-finish',
712 'summary' => 'event-summary','desc' => 'event-desc',
713 'location' => 'event-location', 'type' => 'event-type',
714 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
715 'ignore' => 'event-ignore', 'id' => 'event-id'];
717 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
723 * Returns SQL condition for the "select" functions
725 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
727 * @return string SQL condition
729 private static function condition($thread_mode)
732 $master_table = "`thread`";
734 $master_table = "`item`";
736 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
737 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
738 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
739 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
740 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
741 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
742 GRAVITY_PARENT, GRAVITY_PARENT);
746 * Returns all needed "JOIN" commands for the "select" functions
748 * @param integer $uid User ID
749 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
750 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
753 * @return string The SQL joins for the "select" functions
755 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
758 $master_table = "`thread`";
759 $master_table_key = "`thread`.`iid`";
760 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
762 $master_table = "`item`";
763 $master_table_key = "`item`.`id`";
768 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
769 AND NOT `contact`.`blocked`
770 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
771 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
772 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
773 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
774 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
775 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
776 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
777 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
779 if (strpos($sql_commands, "`contact`.") !== false) {
780 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
782 if (strpos($sql_commands, "`author`.") !== false) {
783 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
785 if (strpos($sql_commands, "`owner`.") !== false) {
786 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
790 if (strpos($sql_commands, "`group_member`.") !== false) {
791 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
794 if (strpos($sql_commands, "`user`.") !== false) {
795 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
798 if (strpos($sql_commands, "`event`.") !== false) {
799 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
802 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
803 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
806 if (strpos($sql_commands, "`item-activity`.") !== false) {
807 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
810 if (strpos($sql_commands, "`item-content`.") !== false) {
811 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
814 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
815 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
818 if (strpos($sql_commands, "`verb`.") !== false) {
819 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
822 if (strpos($sql_commands, "`permissionset`.") !== false) {
823 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
826 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
827 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
830 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
831 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
838 * Add the field list for the "select" functions
840 * @param array $fields The field definition array
841 * @param array $selected The array with the selected fields from the "select" functions
843 * @return string The field list
845 private static function constructSelectFields(array $fields, array $selected)
847 if (!empty($selected)) {
848 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
851 if (in_array('verb', $selected)) {
852 $selected = array_merge($selected, ['internal-activity', 'internal-verb']);
855 if (in_array('ignored', $selected)) {
856 $selected[] = 'internal-user-ignored';
859 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
862 foreach ($fields as $table => $table_fields) {
863 foreach ($table_fields as $field => $select) {
864 if (empty($selected) || in_array($select, $selected)) {
865 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
866 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
868 if (is_int($field)) {
869 $selection[] = "`" . $table . "`.`" . $select . "`";
871 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
876 return implode(", ", $selection);
880 * add table definition to fields in an SQL query
882 * @param string $query SQL query
883 * @param array $fields The field definition array
885 * @return string the changed SQL query
887 private static function addTablesToFields($query, $fields)
889 foreach ($fields as $table => $table_fields) {
890 foreach ($table_fields as $alias => $field) {
891 if (is_int($alias)) {
892 $replace_field = $field;
894 $replace_field = $alias;
897 $search = "/([^\.])`" . $field . "`/i";
898 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
899 $query = preg_replace($search, $replace, $query);
906 * Update existing item entries
908 * @param array $fields The fields that are to be changed
909 * @param array $condition The condition for finding the item entries
911 * In the future we may have to change permissions as well.
912 * Then we had to add the user id as third parameter.
914 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
916 * @return integer|boolean number of affected rows - or "false" if there was an error
917 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
919 public static function update(array $fields, array $condition)
921 if (empty($condition) || empty($fields)) {
925 // To ensure the data integrity we do it in an transaction
928 // We cannot simply expand the condition to check for origin entries
929 // The condition needn't to be a simple array but could be a complex condition.
930 // And we have to execute this query before the update to ensure to fetch the same data.
931 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'uid', 'file'], $condition);
933 $content_fields = [];
934 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
935 if (isset($fields[$field])) {
936 $content_fields[$field] = $fields[$field];
937 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
938 unset($fields[$field]);
940 $fields[$field] = null;
945 $delivery_data = Post\DeliveryData::extractFields($fields);
947 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
948 foreach ($clear_fields as $field) {
949 if (array_key_exists($field, $fields)) {
950 $fields[$field] = null;
954 if (array_key_exists('file', $fields)) {
955 $files = $fields['file'];
956 $fields['file'] = null;
961 if (!empty($fields)) {
962 $success = DBA::update('item', $fields, $condition);
971 // When there is no content for the "old" item table, this will count the fetched items
972 $rows = DBA::affectedRows();
976 while ($item = DBA::fetch($items)) {
977 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
978 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
980 if (empty($item['iaid'])) {
981 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
982 if (DBA::isResult($item_activity)) {
983 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
984 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
985 if (self::isLegacyMode()) {
986 $item_fields[$field] = null;
988 unset($item_fields[$field]);
991 DBA::update('item', $item_fields, ['id' => $item['id']]);
993 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
994 DBA::delete('item-content', ['id' => $item['icid']]);
997 } elseif (!empty($item['icid'])) {
998 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
1000 if (!DBA::exists('item', ['icid' => $item['icid']])) {
1001 DBA::delete('item-content', ['id' => $item['icid']]);
1005 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
1007 if (empty($item['icid'])) {
1008 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1009 if (DBA::isResult($item_content)) {
1010 $item_fields = ['icid' => $item_content['id']];
1011 // Clear all fields in the item table that have a content in the item-content table
1012 foreach ($item_content as $field => $content) {
1013 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1014 if (self::isLegacyMode()) {
1015 $item_fields[$field] = null;
1017 unset($item_fields[$field]);
1021 DBA::update('item', $item_fields, ['id' => $item['id']]);
1026 if (!is_null($files)) {
1027 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1028 if (!empty($item['file'])) {
1029 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1033 Post\DeliveryData::update($item['uri-id'], $delivery_data);
1035 self::updateThread($item['id']);
1037 // We only need to notfiy others when it is an original entry from us.
1038 // Only call the notifier when the item has some content relevant change.
1039 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1040 $notify_items[] = $item['id'];
1047 foreach ($notify_items as $notify_item) {
1048 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1055 * Delete an item and notify others about it - if it was ours
1057 * @param array $condition The condition for finding the item entries
1058 * @param integer $priority Priority for the notification
1059 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1061 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1063 $items = self::select(['id'], $condition);
1064 while ($item = self::fetch($items)) {
1065 self::markForDeletionById($item['id'], $priority);
1071 * Delete an item for an user and notify others about it - if it was ours
1073 * @param array $condition The condition for finding the item entries
1074 * @param integer $uid User who wants to delete this item
1075 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1077 public static function deleteForUser($condition, $uid)
1083 $items = self::select(['id', 'uid'], $condition);
1084 while ($item = self::fetch($items)) {
1085 // "Deleting" global items just means hiding them
1086 if ($item['uid'] == 0) {
1087 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1089 // Delete notifications
1090 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1091 } elseif ($item['uid'] == $uid) {
1092 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1094 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1101 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1103 * @param integer $item_id
1104 * @param integer $priority Priority for the notification
1106 * @return boolean success
1107 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1109 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1111 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1112 // locate item to be deleted
1113 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1114 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1115 'verb', 'object-type', 'object', 'target', 'contact-id',
1116 'icid', 'iaid', 'psid'];
1117 $item = self::selectFirst($fields, ['id' => $item_id]);
1118 if (!DBA::isResult($item)) {
1119 Logger::info('Item not found.', ['id' => $item_id]);
1123 if ($item['deleted']) {
1124 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1128 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1129 if (!DBA::isResult($parent)) {
1130 $parent = ['origin' => false];
1133 // clean up categories and tags so they don't end up as orphans
1136 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1139 foreach ($matches as $mtch) {
1140 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1146 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1149 foreach ($matches as $mtch) {
1150 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1155 * If item is a link to a photo resource, nuke all the associated photos
1156 * (visitors will not have photo resources)
1157 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1158 * generate a resource-id and therefore aren't intimately linked to the item.
1160 /// @TODO: this should first check if photo is used elsewhere
1161 if (strlen($item['resource-id'])) {
1162 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1165 // If item is a link to an event, delete the event.
1166 if (intval($item['event-id'])) {
1167 Event::delete($item['event-id']);
1170 // If item has attachments, drop them
1171 /// @TODO: this should first check if attachment is used elsewhere
1172 foreach (explode(",", $item['attach']) as $attach) {
1173 preg_match("|attach/(\d+)|", $attach, $matches);
1174 if (is_array($matches) && count($matches) > 1) {
1175 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1179 // Delete notifications
1180 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1182 // Set the item to "deleted"
1183 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1184 DBA::update('item', $item_fields, ['id' => $item['id']]);
1186 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1187 self::deleteThread($item['id'], $item['parent-uri']);
1189 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1190 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1193 Post\DeliveryData::delete($item['uri-id']);
1195 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1197 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1198 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1200 // When the permission set will be used in photo and events as well,
1201 // this query here needs to be extended.
1202 // @todo Currently deactivated. We need the permission set in the deletion process.
1203 // This is a reminder to add the removal somewhere else.
1204 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1205 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1208 // If it's the parent of a comment thread, kill all the kids
1209 if ($item['id'] == $item['parent']) {
1210 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1213 // Is it our comment and/or our thread?
1214 if ($item['origin'] || $parent['origin']) {
1215 // When we delete the original post we will delete all existing copies on the server as well
1216 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1218 // send the notification upstream/downstream
1219 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1220 } elseif ($item['uid'] != 0) {
1222 // When we delete just our local user copy of an item, we have to set a marker to hide it
1223 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1224 if (DBA::isResult($global_item)) {
1225 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1229 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1235 private static function guid($item, $notify)
1237 if (!empty($item['guid'])) {
1238 return Strings::escapeTags(trim($item['guid']));
1242 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1243 // We add the hash of our own host because our host is the original creator of the post.
1244 $prefix_host = DI::baseUrl()->getHostname();
1248 // We are only storing the post so we create a GUID from the original hostname.
1249 if (!empty($item['author-link'])) {
1250 $parsed = parse_url($item['author-link']);
1251 if (!empty($parsed['host'])) {
1252 $prefix_host = $parsed['host'];
1256 if (empty($prefix_host) && !empty($item['plink'])) {
1257 $parsed = parse_url($item['plink']);
1258 if (!empty($parsed['host'])) {
1259 $prefix_host = $parsed['host'];
1263 if (empty($prefix_host) && !empty($item['uri'])) {
1264 $parsed = parse_url($item['uri']);
1265 if (!empty($parsed['host'])) {
1266 $prefix_host = $parsed['host'];
1270 // Is it in the format data@host.tld? - Used for mail contacts
1271 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1272 $mailparts = explode('@', $item['author-link']);
1273 $prefix_host = array_pop($mailparts);
1277 if (!empty($item['plink'])) {
1278 $guid = self::guidFromUri($item['plink'], $prefix_host);
1279 } elseif (!empty($item['uri'])) {
1280 $guid = self::guidFromUri($item['uri'], $prefix_host);
1282 $guid = System::createUUID(hash('crc32', $prefix_host));
1288 private static function contactId($item)
1290 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1291 return $item['contact-id'];
1292 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1293 return $item['contact-id'];
1294 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1295 return $item['author-id'];
1296 } elseif (!empty($item['contact-id'])) {
1297 return $item['contact-id'];
1299 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1300 if (!empty($contact_id)) {
1304 return $item['author-id'];
1307 // This function will finally cover most of the preparation functionality in mod/item.php
1308 public static function prepare(&$item)
1311 * @TODO: Unused code triggering inspection errors
1313 $data = BBCode::getAttachmentData($item['body']);
1314 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1315 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1316 $posttype = Item::PT_PAGE;
1317 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1323 * Write an item array into a spool file to be inserted later.
1324 * This command is called whenever there are issues storing an item.
1326 * @param array $item The item fields that are to be inserted
1327 * @throws \Exception
1329 private static function spool($orig_item)
1331 // Now we store the data in the spool directory
1332 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1333 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1335 $spoolpath = get_spoolpath();
1336 if ($spoolpath != "") {
1337 $spool = $spoolpath . '/' . $file;
1339 file_put_contents($spool, json_encode($orig_item));
1340 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1345 * Check if the item array is a duplicate
1347 * @param array $item
1348 * @return boolean is it a duplicate?
1350 private static function isDuplicate(array $item)
1352 // Checking if there is already an item with the same guid
1353 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1354 if (self::exists($condition)) {
1355 Logger::notice('Found already existing item', [
1356 'guid' => $item['guid'],
1357 'uid' => $item['uid'],
1358 'network' => $item['network']
1363 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1364 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1365 if (self::exists($condition)) {
1366 Logger::notice('duplicated item with the same uri found.', $item);
1370 // On Friendica and Diaspora the GUID is unique
1371 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1372 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1373 if (self::exists($condition)) {
1374 Logger::notice('duplicated item with the same guid found.', $item);
1377 } elseif ($item['network'] == Protocol::OSTATUS) {
1378 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1379 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1380 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1381 if (self::exists($condition)) {
1382 Logger::notice('duplicated item with the same body found.', $item);
1388 * Check for already added items.
1389 * There is a timing issue here that sometimes creates double postings.
1390 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1392 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1393 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1401 * Check if the item array is valid
1403 * @param array $item
1404 * @return boolean item is valid
1406 private static function isValid(array $item)
1408 // When there is no content then we don't post it
1409 if ($item['body'].$item['title'] == '') {
1410 Logger::notice('No body, no title.');
1414 // check for create date and expire time
1415 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1417 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1418 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1419 $expire_interval = $user['expire'];
1422 if (($expire_interval > 0) && !empty($item['created'])) {
1423 $expire_date = time() - ($expire_interval * 86400);
1424 $created_date = strtotime($item['created']);
1425 if ($created_date < $expire_date) {
1426 Logger::notice('Item created before expiration interval.', [
1427 'created' => date('c', $created_date),
1428 'expired' => date('c', $expire_date),
1435 if (Contact::isBlocked($item['author-id'])) {
1436 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1440 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1441 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1445 if (!empty($item['uid']) && Contact::isBlockedByUser($item['author-id'], $item['uid'])) {
1446 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1450 if (Contact::isBlocked($item['owner-id'])) {
1451 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1455 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1456 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1460 if (!empty($item['uid']) && Contact::isBlockedByUser($item['owner-id'], $item['uid'])) {
1461 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1465 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1466 if (!empty($item['uid']) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $item['uid'])) {
1467 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1471 if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $item['uid'])) {
1472 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1476 if ($item['verb'] == Activity::FOLLOW) {
1477 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1478 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1479 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1483 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1484 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1485 if (self::exists($condition)) {
1486 // It happens that we receive multiple follow requests by the same author - we only store one.
1487 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1496 * Return the id of the given item array if it has been stored before
1498 * @param array $item
1499 * @return integer item id
1501 private static function getDuplicateID(array $item)
1503 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1504 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1505 trim($item['uri']), $item['uid'],
1506 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1507 $existing = self::selectFirst(['id', 'network'], $condition);
1508 if (DBA::isResult($existing)) {
1509 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1510 if ($item['uid'] != 0) {
1511 Logger::notice('Item already existed for user', [
1512 'uri' => $item['uri'],
1513 'uid' => $item['uid'],
1514 'network' => $item['network'],
1515 'existing_id' => $existing["id"],
1516 'existing_network' => $existing["network"]
1520 return $existing["id"];
1527 * Fetch parent data for the given item array
1529 * @param array $item
1530 * @return array item array with parent data
1532 private static function getParentData(array $item)
1534 // find the parent and snarf the item id and ACLs
1535 // and anything else we need to inherit
1537 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1538 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1539 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1540 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1541 $params = ['order' => ['id' => false]];
1542 $parent = self::selectFirst($fields, $condition, $params);
1544 if (!DBA::isResult($parent)) {
1545 Logger::info('item parent was not found - ignoring item', ['parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]);
1548 // is the new message multi-level threaded?
1549 // even though we don't support it now, preserve the info
1550 // and re-attach to the conversation parent.
1551 if ($parent['uri'] != $parent['parent-uri']) {
1552 $item['parent-uri'] = $parent['parent-uri'];
1554 $condition = ['uri' => $item['parent-uri'],
1555 'parent-uri' => $item['parent-uri'],
1556 'uid' => $item['uid']];
1557 $params = ['order' => ['id' => false]];
1558 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1560 if (DBA::isResult($toplevel_parent)) {
1561 $parent = $toplevel_parent;
1565 $item["parent"] = $parent['id'];
1566 $item["deleted"] = $parent['deleted'];
1567 $item["allow_cid"] = $parent['allow_cid'];
1568 $item['allow_gid'] = $parent['allow_gid'];
1569 $item['deny_cid'] = $parent['deny_cid'];
1570 $item['deny_gid'] = $parent['deny_gid'];
1571 $item['parent_origin'] = $parent['origin'];
1573 // Don't federate received participation messages
1574 if ($item['verb'] != Activity::FOLLOW) {
1575 $item['wall'] = $parent['wall'];
1577 $item['wall'] = false;
1581 * If the parent is private, force privacy for the entire conversation
1582 * This differs from the above settings as it subtly allows comments from
1583 * email correspondents to be private even if the overall thread is not.
1585 if ($parent['private']) {
1586 $item['private'] = $parent['private'];
1590 * Edge case. We host a public forum that was originally posted to privately.
1591 * The original author commented, but as this is a comment, the permissions
1592 * weren't fixed up so it will still show the comment as private unless we fix it here.
1594 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1595 $item['private'] = self::PUBLIC;
1598 // If its a post that originated here then tag the thread as "mention"
1599 if ($item['origin'] && $item['uid']) {
1600 DBA::update('thread', ['mention' => true], ['iid' => $item["parent"]]);
1601 Logger::info('tagged thread as mention', ['parent' => $item["parent"], 'uid' => $item['uid']]);
1604 // Update the contact relations
1605 if ($item['author-id'] != $parent['author-id']) {
1606 DBA::update('contact-relation', ['last-interaction' => $item['created']], ['cid' => $parent['author-id'], 'relation-cid' => $item['author-id']], true);
1614 * Get the gravity for the given item array
1616 * @param array $item
1617 * @return integer gravity
1619 private static function getGravity(array $item)
1621 $activity = DI::activity();
1623 if (isset($item['gravity'])) {
1624 return intval($item['gravity']);
1625 } elseif ($item['parent-uri'] === $item['uri']) {
1626 return GRAVITY_PARENT;
1627 } elseif ($activity->match($item['verb'], Activity::POST)) {
1628 return GRAVITY_COMMENT;
1629 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1630 return GRAVITY_ACTIVITY;
1632 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1633 return GRAVITY_UNKNOWN; // Should not happen
1636 public static function insert($item, $notify = false, $dontcache = false)
1640 $priority = PRIORITY_HIGH;
1642 // If it is a posting where users should get notifications, then define it as wall posting
1645 $item['origin'] = 1;
1646 $item['network'] = Protocol::DFRN;
1647 $item['protocol'] = Conversation::PARCEL_DFRN;
1649 if (is_int($notify)) {
1650 $priority = $notify;
1653 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1656 $uid = intval($item['uid']);
1658 $item['guid'] = self::guid($item, $notify);
1659 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1662 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1664 // Store conversation data
1665 $item = Conversation::insert($item);
1667 if (!empty($item['thr-parent'])) {
1668 $item['parent-uri'] = $item['thr-parent'];
1672 * Do we already have this item?
1673 * We have to check several networks since Friendica posts could be repeated
1674 * via OStatus (maybe Diasporsa as well)
1676 $duplicate = self::getDuplicateID($item);
1681 // Additional duplicate checks
1682 /// @todo Check why the first duplication check returns the item number and the second a 0
1683 if (self::isDuplicate($item)) {
1687 $item['wall'] = intval($item['wall'] ?? 0);
1688 $item['extid'] = trim($item['extid'] ?? '');
1689 $item['author-name'] = trim($item['author-name'] ?? '');
1690 $item['author-link'] = trim($item['author-link'] ?? '');
1691 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1692 $item['owner-name'] = trim($item['owner-name'] ?? '');
1693 $item['owner-link'] = trim($item['owner-link'] ?? '');
1694 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1695 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1696 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1697 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1698 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1699 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1700 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1701 $item['location'] = trim($item['location'] ?? '');
1702 $item['coord'] = trim($item['coord'] ?? '');
1703 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1704 $item['deleted'] = 0;
1705 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1706 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1707 $item['verb'] = trim($item['verb'] ?? '');
1708 $item['object-type'] = trim($item['object-type'] ?? '');
1709 $item['object'] = trim($item['object'] ?? '');
1710 $item['target-type'] = trim($item['target-type'] ?? '');
1711 $item['target'] = trim($item['target'] ?? '');
1712 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1713 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1714 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1715 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1716 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1717 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1718 $item['body'] = trim($item['body'] ?? '');
1719 $item['attach'] = trim($item['attach'] ?? '');
1720 $item['app'] = trim($item['app'] ?? '');
1721 $item['origin'] = intval($item['origin'] ?? 0);
1722 $item['postopts'] = trim($item['postopts'] ?? '');
1723 $item['resource-id'] = trim($item['resource-id'] ?? '');
1724 $item['event-id'] = intval($item['event-id'] ?? 0);
1725 $item['inform'] = trim($item['inform'] ?? '');
1726 $item['file'] = trim($item['file'] ?? '');
1728 // Items cannot be stored before they happen ...
1729 if ($item['created'] > DateTimeFormat::utcNow()) {
1730 $item['created'] = DateTimeFormat::utcNow();
1733 // We haven't invented time travel by now.
1734 if ($item['edited'] > DateTimeFormat::utcNow()) {
1735 $item['edited'] = DateTimeFormat::utcNow();
1738 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1740 $item['language'] = self::getLanguage($item);
1742 $item['gravity'] = self::getGravity($item);
1744 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1745 'photo' => $item['author-avatar'], 'network' => $item['network']];
1746 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1748 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1749 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1750 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1752 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1753 $item["contact-id"] = self::contactId($item);
1755 if (!self::isValid($item)) {
1759 // We don't store the causer, we only have it here for the checks in the function above
1760 unset($item['causer-id']);
1761 unset($item['causer-link']);
1763 // We don't store these fields anymore in the item table
1764 unset($item['author-link']);
1765 unset($item['author-name']);
1766 unset($item['author-avatar']);
1767 unset($item['author-network']);
1769 unset($item['owner-link']);
1770 unset($item['owner-name']);
1771 unset($item['owner-avatar']);
1773 $item['thr-parent'] = $item['parent-uri'];
1775 if ($item['parent-uri'] != $item['uri']) {
1776 $item = self::getParentData($item);
1781 $parent_id = $item['parent'];
1782 unset($item['parent']);
1783 $parent_origin = $item['parent_origin'];
1784 unset($item['parent_origin']);
1787 $parent_origin = $item['origin'];
1790 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1791 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1793 // Is this item available in the global items (with uid=0)?
1794 if ($item["uid"] == 0) {
1795 $item["global"] = true;
1797 // Set the global flag on all items if this was a global item entry
1798 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1800 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1804 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1805 $item["private"] = self::PRIVATE;
1809 $item['edit'] = false;
1810 $item['parent'] = $parent_id;
1811 Hook::callAll('post_local', $item);
1812 unset($item['edit']);
1813 unset($item['parent']);
1815 Hook::callAll('post_remote', $item);
1818 if (!empty($item['cancel'])) {
1819 Logger::log('post cancelled by addon.');
1823 if (empty($item['vid']) && !empty($item['verb'])) {
1824 $item['vid'] = Verb::getID($item['verb']);
1827 // Creates or assigns the permission set
1828 $item['psid'] = PermissionSet::getIdFromACL(
1836 unset($item['allow_cid']);
1837 unset($item['allow_gid']);
1838 unset($item['deny_cid']);
1839 unset($item['deny_gid']);
1841 // This array field is used to trigger some automatic reactions
1842 // It is mainly used in the "post_local" hook.
1843 unset($item['api_source']);
1846 // Check for hashtags in the body and repair or add hashtag links
1847 self::setHashtags($item);
1849 // Fill the cache field
1850 self::putInCache($item);
1852 if (stristr($item['verb'], Activity::POKE)) {
1853 $notify_type = Delivery::POKE;
1855 $notify_type = Delivery::POST;
1858 // We are doing this outside of the transaction to avoid timing problems
1859 if (in_array($item['verb'], self::ACTIVITIES)) {
1860 $item['iaid'] = self::insertActivity($item);
1862 $item['icid'] = self::insertContent($item);
1865 $body = $item['body'];
1867 // We just remove everything that is content
1868 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1869 unset($item[$field]);
1872 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1876 // Filling item related side tables
1878 // Diaspora signature
1879 if (!empty($item['diaspora_signed_text'])) {
1880 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']], true);
1883 unset($item['diaspora_signed_text']);
1885 // Attached file links
1886 if (!empty($item['file'])) {
1887 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1890 unset($item['file']);
1892 // Delivery relevant data
1893 $delivery_data = Post\DeliveryData::extractFields($item);
1894 unset($item['postopts']);
1895 unset($item['inform']);
1897 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1898 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1901 // Store tags from the body if this hadn't been handled previously in the protocol classes
1902 if (!Tag::existsForPost($item['uri-id'])) {
1903 Tag::storeFromBody($item['uri-id'], $body);
1906 $ret = DBA::insert('item', $item);
1908 // When the item was successfully stored we fetch the ID of the item.
1909 if (DBA::isResult($ret)) {
1910 $current_post = DBA::lastInsertId();
1912 // This can happen - for example - if there are locking timeouts.
1915 // Store the data into a spool file so that we can try again later.
1916 self::spool($orig_item);
1920 if ($current_post == 0) {
1921 // This is one of these error messages that never should occur.
1922 Logger::log("couldn't find created item - we better quit now.");
1927 // How much entries have we created?
1928 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1929 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1932 // There are duplicates. We delete our just created entry.
1933 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1935 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1936 DBA::delete('item', ['id' => $current_post]);
1939 } elseif ($entries == 0) {
1940 // This really should never happen since we quit earlier if there were problems.
1941 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1946 Logger::log('created item '.$current_post);
1948 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1949 $parent_id = $current_post;
1953 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1955 $item['id'] = $current_post;
1956 $item['parent'] = $parent_id;
1958 // update the commented timestamp on the parent
1959 // Only update "commented" if it is really a comment
1960 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1961 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1963 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1966 if ($item['parent-uri'] === $item['uri']) {
1967 self::addThread($current_post);
1969 self::updateThread($parent_id);
1973 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1974 if (self::tagDeliver($item['uid'], $current_post)) {
1975 // Get the user information for the logging
1976 $user = User::getById($uid);
1978 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1983 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1984 if (DBA::isResult($posted_item)) {
1986 Hook::callAll('post_local_end', $posted_item);
1988 Hook::callAll('post_remote_end', $posted_item);
1991 Logger::log('new item not found in DB, id ' . $current_post);
1995 if ($item['parent-uri'] === $item['uri']) {
1996 self::addShadow($current_post);
1998 self::addShadowPost($current_post);
2001 self::updateContact($item);
2003 UserItem::setNotification($current_post);
2005 check_user_notification($current_post);
2007 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
2010 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
2011 // Don't relay participation messages
2012 if (($transmit_item['verb'] == Activity::FOLLOW) &&
2013 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
2014 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2020 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2023 return $current_post;
2027 * Insert a new item content entry
2029 * @param array $item The item fields that are to be inserted
2031 * @throws \Exception
2033 private static function insertActivity(array $item)
2035 $activity_index = self::activityToIndex($item['verb']);
2036 if ($activity_index < 0) {
2037 // SHouldn't happen at all
2041 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2043 // To avoid timing problems, we are using locks.
2044 $locked = DI::lock()->acquire('item_insert_activity');
2046 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2049 // Do we already have this content?
2050 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2051 if (DBA::isResult($item_activity)) {
2052 $iaid = $item_activity['id'];
2053 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $iaid . ')');
2054 } elseif (DBA::insert('item-activity', $fields)) {
2055 $iaid = DBA::lastInsertId();
2056 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $iaid . ')');
2058 // This shouldn't happen.
2060 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2063 DI::lock()->release('item_insert_activity');
2069 * Insert a new item content entry
2071 * @param array $item The item fields that are to be inserted
2072 * @throws \Exception
2074 private static function insertContent(array $item)
2076 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2078 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2079 if (isset($item[$field])) {
2080 $fields[$field] = $item[$field];
2084 // To avoid timing problems, we are using locks.
2085 $locked = DI::lock()->acquire('item_insert_content');
2087 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2090 // Do we already have this content?
2091 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2092 if (DBA::isResult($item_content)) {
2093 $icid = $item_content['id'];
2094 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $icid . ')');
2095 } elseif (DBA::insert('item-content', $fields)) {
2096 $icid = DBA::lastInsertId();
2097 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $icid . ')');
2099 // This shouldn't happen.
2101 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2104 DI::lock()->release('item_insert_content');
2110 * Update existing item content entries
2112 * @param array $item The item fields that are to be changed
2113 * @param array $condition The condition for finding the item content entries
2115 * @throws \Exception
2117 private static function updateActivity($item, $condition)
2119 if (empty($item['verb'])) {
2122 $activity_index = self::activityToIndex($item['verb']);
2124 if ($activity_index < 0) {
2128 $fields = ['activity' => $activity_index];
2130 Logger::log('Update activity for ' . json_encode($condition));
2132 DBA::update('item-activity', $fields, $condition, true);
2138 * Update existing item content entries
2140 * @param array $item The item fields that are to be changed
2141 * @param array $condition The condition for finding the item content entries
2142 * @throws \Exception
2144 private static function updateContent($item, $condition)
2146 // We have to select only the fields from the "item-content" table
2148 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2149 if (isset($item[$field])) {
2150 $fields[$field] = $item[$field];
2154 if (empty($fields)) {
2155 // when there are no fields at all, just use the condition
2156 // This is to ensure that we always store content.
2157 $fields = $condition;
2160 Logger::log('Update content for ' . json_encode($condition));
2162 DBA::update('item-content', $fields, $condition, true);
2166 * Distributes public items to the receivers
2168 * @param integer $itemid Item ID that should be added
2169 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2170 * @throws \Exception
2172 public static function distribute($itemid, $signed_text = '')
2174 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2175 $parent = self::selectFirst(['owner-id'], $condition);
2176 if (!DBA::isResult($parent)) {
2180 // Only distribute public items from native networks
2181 $condition = ['id' => $itemid, 'uid' => 0,
2182 'network' => array_merge(Protocol::FEDERATED ,['']),
2183 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2184 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2185 if (!DBA::isResult($item)) {
2189 $origin = $item['origin'];
2192 unset($item['parent']);
2193 unset($item['mention']);
2194 unset($item['wall']);
2195 unset($item['origin']);
2196 unset($item['starred']);
2200 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2201 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2202 if (!DBA::isResult($owner)) {
2206 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2207 $contacts = DBA::select('contact', ['uid'], $condition);
2208 while ($contact = DBA::fetch($contacts)) {
2209 if ($contact['uid'] == 0) {
2213 $users[$contact['uid']] = $contact['uid'];
2215 DBA::close($contacts);
2217 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2218 $contacts = DBA::select('contact', ['uid'], $condition);
2219 while ($contact = DBA::fetch($contacts)) {
2220 if ($contact['uid'] == 0) {
2224 $users[$contact['uid']] = $contact['uid'];
2226 DBA::close($contacts);
2228 if (!empty($owner['alias'])) {
2229 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2230 $contacts = DBA::select('contact', ['uid'], $condition);
2231 while ($contact = DBA::fetch($contacts)) {
2232 if ($contact['uid'] == 0) {
2236 $users[$contact['uid']] = $contact['uid'];
2238 DBA::close($contacts);
2243 if ($item['uri'] != $item['parent-uri']) {
2244 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2245 while ($parent = self::fetch($parents)) {
2246 $users[$parent['uid']] = $parent['uid'];
2247 if ($parent['origin'] && !$origin) {
2248 $origin_uid = $parent['uid'];
2253 foreach ($users as $uid) {
2254 if ($origin_uid == $uid) {
2255 $item['diaspora_signed_text'] = $signed_text;
2257 self::storeForUser($itemid, $item, $uid);
2262 * Store public items for the receivers
2264 * @param integer $itemid Item ID that should be added
2265 * @param array $item The item entry that will be stored
2266 * @param integer $uid The user that will receive the item entry
2267 * @throws \Exception
2269 private static function storeForUser($itemid, $item, $uid)
2271 $item['uid'] = $uid;
2272 $item['origin'] = 0;
2274 if ($item['uri'] == $item['parent-uri']) {
2275 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2277 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2280 if (empty($item['contact-id'])) {
2281 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2282 if (!DBA::isResult($self)) {
2285 $item['contact-id'] = $self['id'];
2288 /// @todo Handling of "event-id"
2291 if ($item['uri'] == $item['parent-uri']) {
2292 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2293 if (DBA::isResult($contact)) {
2294 $notify = self::isRemoteSelf($contact, $item);
2298 $distributed = self::insert($item, $notify, true);
2300 if (!$distributed) {
2301 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2303 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2308 * Add a shadow entry for a given item id that is a thread starter
2310 * We store every public item entry additionally with the user id "0".
2311 * This is used for the community page and for the search.
2312 * It is planned that in the future we will store public item entries only once.
2314 * @param integer $itemid Item ID that should be added
2315 * @throws \Exception
2317 public static function addShadow($itemid)
2319 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2320 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2321 $item = self::selectFirst($fields, $condition);
2323 if (!DBA::isResult($item)) {
2327 // is it already a copy?
2328 if (($itemid == 0) || ($item['uid'] == 0)) {
2332 // Is it a visible public post?
2333 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2337 // is it an entry from a connector? Only add an entry for natively connected networks
2338 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2342 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2346 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2348 if (DBA::isResult($item)) {
2349 // Preparing public shadow (removing user specific data)
2352 unset($item['parent']);
2353 unset($item['wall']);
2354 unset($item['mention']);
2355 unset($item['origin']);
2356 unset($item['starred']);
2357 unset($item['postopts']);
2358 unset($item['inform']);
2359 if ($item['uri'] == $item['parent-uri']) {
2360 $item['contact-id'] = $item['owner-id'];
2362 $item['contact-id'] = $item['author-id'];
2365 $public_shadow = self::insert($item, false, true);
2367 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2372 * Add a shadow entry for a given item id that is a comment
2374 * This function does the same like the function above - but for comments
2376 * @param integer $itemid Item ID that should be added
2377 * @throws \Exception
2379 public static function addShadowPost($itemid)
2381 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2382 if (!DBA::isResult($item)) {
2386 // Is it a toplevel post?
2387 if ($item['id'] == $item['parent']) {
2388 self::addShadow($itemid);
2392 // Is this a shadow entry?
2393 if ($item['uid'] == 0) {
2397 // Is there a shadow parent?
2398 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2402 // Is there already a shadow entry?
2403 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2407 // Save "origin" and "parent" state
2408 $origin = $item['origin'];
2409 $parent = $item['parent'];
2411 // Preparing public shadow (removing user specific data)
2414 unset($item['parent']);
2415 unset($item['wall']);
2416 unset($item['mention']);
2417 unset($item['origin']);
2418 unset($item['starred']);
2419 unset($item['postopts']);
2420 unset($item['inform']);
2421 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2423 $public_shadow = self::insert($item, false, true);
2425 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2427 // If this was a comment to a Diaspora post we don't get our comment back.
2428 // This means that we have to distribute the comment by ourselves.
2429 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2430 self::distribute($public_shadow);
2435 * Adds a language specification in a "language" element of given $arr.
2436 * Expects "body" element to exist in $arr.
2438 * @param array $item
2439 * @return string detected language
2440 * @throws \Text_LanguageDetect_Exception
2442 private static function getLanguage(array $item)
2444 $naked_body = BBCode::toPlaintext($item['body'], false);
2446 $ld = new Text_LanguageDetect();
2447 $ld->setNameMode(2);
2448 $languages = $ld->detect($naked_body, 3);
2449 if (is_array($languages)) {
2450 return json_encode($languages);
2457 * Creates an unique guid out of a given uri
2459 * @param string $uri uri of an item entry
2460 * @param string $host hostname for the GUID prefix
2461 * @return string unique guid
2463 public static function guidFromUri($uri, $host)
2465 // Our regular guid routine is using this kind of prefix as well
2466 // We have to avoid that different routines could accidentally create the same value
2467 $parsed = parse_url($uri);
2469 // We use a hash of the hostname as prefix for the guid
2470 $guid_prefix = hash("crc32", $host);
2472 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2473 unset($parsed["scheme"]);
2475 // Glue it together to be able to make a hash from it
2476 $host_id = implode("/", $parsed);
2478 // We could use any hash algorithm since it isn't a security issue
2479 $host_hash = hash("ripemd128", $host_id);
2481 return $guid_prefix.$host_hash;
2485 * generate an unique URI
2487 * @param integer $uid User id
2488 * @param string $guid An existing GUID (Otherwise it will be generated)
2491 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2493 public static function newURI($uid, $guid = "")
2496 $guid = System::createUUID();
2499 return DI::baseUrl()->get() . '/objects/' . $guid;
2503 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2505 * This can be used to filter for inactive contacts.
2506 * Only do this for public postings to avoid privacy problems, since poco data is public.
2507 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2509 * @param array $arr Contains the just posted item record
2510 * @throws \Exception
2512 private static function updateContact($arr)
2514 // Unarchive the author
2515 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2516 if (DBA::isResult($contact)) {
2517 Contact::unmarkForArchival($contact);
2520 // Unarchive the contact if it's not our own contact
2521 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2522 if (DBA::isResult($contact)) {
2523 Contact::unmarkForArchival($contact);
2526 /// @todo On private posts we could obfuscate the date
2527 $update = ($arr['private'] != self::PRIVATE);
2529 // Is it a forum? Then we don't care about the rules from above
2530 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2531 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2537 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2538 // So we have to ensure to only update the last item when it had been our own post,
2539 // or it had been done by a "regular" contact.
2540 if (!empty($arr['wall'])) {
2541 $condition = ['id' => $arr['contact-id']];
2543 $condition = ['id' => $arr['contact-id'], 'self' => false];
2545 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2547 // Now do the same for the system wide contacts with uid=0
2548 if ($arr['private'] != self::PRIVATE) {
2549 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2550 ['id' => $arr['owner-id']]);
2552 if ($arr['owner-id'] != $arr['author-id']) {
2553 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2554 ['id' => $arr['author-id']]);
2559 public static function setHashtags(&$item)
2561 $tags = BBCode::getTags($item["body"]);
2564 if (!count($tags)) {
2568 // What happens in [code], stays in [code]!
2569 // escape the # and the [
2570 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2571 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2573 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2575 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2576 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2579 // This sorting is important when there are hashtags that are part of other hashtags
2580 // Otherwise there could be problems with hashtags like #test and #test2
2581 // Because of this we are sorting from the longest to the shortest tag.
2582 usort($tags, function($a, $b) {
2583 return strlen($b) <=> strlen($a);
2586 $URLSearchString = "^\[\]";
2588 // All hashtags should point to the home server if "local_tags" is activated
2589 if (DI::config()->get('system', 'local_tags')) {
2590 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2591 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2594 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2595 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2597 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2600 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2602 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2605 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2607 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2610 // Repair recursive urls
2611 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2612 "#$2", $item["body"]);
2614 foreach ($tags as $tag) {
2615 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2619 $basetag = str_replace('_',' ',substr($tag,1));
2620 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2622 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2625 // Convert back the masked hashtags
2626 $item["body"] = str_replace("#", "#", $item["body"]);
2628 // Remember! What happens in [code], stays in [code]
2629 // roleback the # and [
2630 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2632 // we truly unESCape all sharp and leftsquarebracket
2633 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2634 $replace = ['#', '['];
2635 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2640 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2643 * @param int $item_id
2644 * @return boolean true if item was deleted, else false
2645 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2646 * @throws \ImagickException
2648 private static function tagDeliver($uid, $item_id)
2652 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2653 if (!DBA::isResult($user)) {
2657 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2658 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2660 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2661 if (!DBA::isResult($item)) {
2665 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2668 * Diaspora uses their own hardwired link URL in @-tags
2669 * instead of the one we supply with webfinger
2671 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2673 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2675 foreach ($matches as $mtch) {
2676 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2678 Logger::log('mention found: ' . $mtch[2]);
2684 if (($community_page || $prvgroup) &&
2685 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2686 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2687 DBA::delete('item', ['id' => $item_id]);
2693 $arr = ['item' => $item, 'user' => $user];
2695 Hook::callAll('tagged', $arr);
2697 if (!$community_page && !$prvgroup) {
2702 * tgroup delivery - setup a second delivery chain
2703 * prevent delivery looping - only proceed
2704 * if the message originated elsewhere and is a top-level post
2706 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2710 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2711 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2712 if (!DBA::isResult($self)) {
2716 $owner_id = Contact::getIdForURL($self['url']);
2718 // also reset all the privacy bits to the forum default permissions
2720 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2722 $psid = PermissionSet::getIdFromACL(
2730 $forum_mode = ($prvgroup ? 2 : 1);
2732 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2733 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2734 self::update($fields, ['id' => $item_id]);
2736 self::updateThread($item_id);
2738 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2743 public static function isRemoteSelf($contact, &$datarray)
2745 if (!$contact['remote_self']) {
2749 // Prevent the forwarding of posts that are forwarded
2750 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2751 Logger::log('Already forwarded', Logger::DEBUG);
2755 // Prevent to forward already forwarded posts
2756 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2757 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2761 // Only forward posts
2762 if ($datarray["verb"] != Activity::POST) {
2763 Logger::log('No post', Logger::DEBUG);
2767 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2768 Logger::log('Not public', Logger::DEBUG);
2772 $datarray2 = $datarray;
2773 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2774 if ($contact['remote_self'] == 2) {
2775 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2776 ['uid' => $contact['uid'], 'self' => true]);
2777 if (DBA::isResult($self)) {
2778 $datarray['contact-id'] = $self["id"];
2780 $datarray['owner-name'] = $self["name"];
2781 $datarray['owner-link'] = $self["url"];
2782 $datarray['owner-avatar'] = $self["thumb"];
2784 $datarray['author-name'] = $datarray['owner-name'];
2785 $datarray['author-link'] = $datarray['owner-link'];
2786 $datarray['author-avatar'] = $datarray['owner-avatar'];
2788 unset($datarray['edited']);
2790 unset($datarray['network']);
2791 unset($datarray['owner-id']);
2792 unset($datarray['author-id']);
2795 if ($contact['network'] != Protocol::FEED) {
2796 $datarray["guid"] = System::createUUID();
2797 unset($datarray["plink"]);
2798 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2799 $datarray["parent-uri"] = $datarray["uri"];
2800 $datarray["thr-parent"] = $datarray["uri"];
2801 $datarray["extid"] = Protocol::DFRN;
2802 $urlpart = parse_url($datarray2['author-link']);
2803 $datarray["app"] = $urlpart["host"];
2805 $datarray['private'] = self::PUBLIC;
2809 if ($contact['network'] != Protocol::FEED) {
2810 // Store the original post
2811 $result = self::insert($datarray2);
2812 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2814 $datarray["app"] = "Feed";
2818 // Trigger automatic reactions for addons
2819 $datarray['api_source'] = true;
2821 // We have to tell the hooks who we are - this really should be improved
2822 $_SESSION["authenticated"] = true;
2823 $_SESSION["uid"] = $contact['uid'];
2832 * @param array $item
2835 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2836 * @throws \ImagickException
2838 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2840 if (DI::config()->get('system', 'disable_embedded')) {
2844 Logger::log('check for photos', Logger::DEBUG);
2845 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2850 $img_start = strpos($orig_body, '[img');
2851 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2852 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2854 while (($img_st_close !== false) && ($img_len !== false)) {
2855 $img_st_close++; // make it point to AFTER the closing bracket
2856 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2858 Logger::log('found photo ' . $image, Logger::DEBUG);
2860 if (stristr($image, $site . '/photo/')) {
2861 // Only embed locally hosted photos
2863 $i = basename($image);
2864 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2865 $x = strpos($i, '-');
2868 $res = substr($i, $x + 1);
2869 $i = substr($i, 0, $x);
2870 $photo = Photo::getPhotoForUser($uid, $i, $res);
2871 if (DBA::isResult($photo)) {
2873 * Check to see if we should replace this photo link with an embedded image
2874 * 1. No need to do so if the photo is public
2875 * 2. If there's a contact-id provided, see if they're in the access list
2876 * for the photo. If so, embed it.
2877 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2878 * permissions, regardless of order but first check to see if they're an exact
2879 * match to save some processing overhead.
2881 if (self::hasPermissions($photo)) {
2883 $recips = self::enumeratePermissions($photo);
2884 if (in_array($cid, $recips)) {
2888 if (self::samePermissions($uid, $item, $photo)) {
2894 $photo_img = Photo::getImageForPhoto($photo);
2895 // If a custom width and height were specified, apply before embedding
2896 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2897 Logger::log('scaling photo', Logger::DEBUG);
2899 $width = intval($match[1]);
2900 $height = intval($match[2]);
2902 $photo_img->scaleDown(max($width, $height));
2905 $data = $photo_img->asString();
2906 $type = $photo_img->getType();
2908 Logger::log('replacing photo', Logger::DEBUG);
2909 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2910 Logger::log('replaced: ' . $image, Logger::DATA);
2916 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2917 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2918 if ($orig_body === false) {
2922 $img_start = strpos($orig_body, '[img');
2923 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2924 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2927 $new_body = $new_body . $orig_body;
2932 private static function hasPermissions($obj)
2934 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2935 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2938 private static function samePermissions($uid, $obj1, $obj2)
2940 // first part is easy. Check that these are exactly the same.
2941 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2942 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2943 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2944 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2948 // This is harder. Parse all the permissions and compare the resulting set.
2949 $recipients1 = self::enumeratePermissions($obj1);
2950 $recipients2 = self::enumeratePermissions($obj2);
2954 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2955 return ($recipients1 == $recipients2);
2959 * Returns an array of contact-ids that are allowed to see this object
2961 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2962 * @param bool $check_dead Prunes unavailable contacts from the result
2964 * @throws \Exception
2966 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2968 $aclFormater = DI::aclFormatter();
2970 $allow_people = $aclFormater->expand($obj['allow_cid']);
2971 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2972 $deny_people = $aclFormater->expand($obj['deny_cid']);
2973 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2974 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2975 $deny = array_unique(array_merge($deny_people, $deny_groups));
2976 $recipients = array_diff($recipients, $deny);
2980 public static function expire($uid, $days, $network = "", $force = false)
2982 if (!$uid || ($days < 1)) {
2986 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2987 $uid, GRAVITY_PARENT];
2990 * $expire_network_only = save your own wall posts
2991 * and just expire conversations started by others
2993 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2995 if ($expire_network_only) {
2996 $condition[0] .= " AND NOT `wall`";
2999 if ($network != "") {
3000 $condition[0] .= " AND `network` = ?";
3001 $condition[] = $network;
3004 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3005 $condition[] = $days;
3007 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3009 if (!DBA::isResult($items)) {
3013 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3015 // Forcing expiring of items - but not notes and marked items
3017 $expire_items = true;
3020 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3021 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3022 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3026 while ($item = Item::fetch($items)) {
3027 // don't expire filed items
3029 if (strpos($item['file'], '[') !== false) {
3033 // Only expire posts, not photos and photo comments
3035 if (!$expire_photos && strlen($item['resource-id'])) {
3037 } elseif (!$expire_starred && intval($item['starred'])) {
3039 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3041 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3045 self::markForDeletionById($item['id'], PRIORITY_LOW);
3050 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3053 public static function firstPostDate($uid, $wall = false)
3055 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3056 $params = ['order' => ['received' => false]];
3057 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3058 if (DBA::isResult($thread)) {
3059 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3065 * add/remove activity to an item
3067 * Toggle activities as like,dislike,attend of an item
3069 * @param string $item_id
3070 * @param string $verb
3071 * Activity verb. One of
3072 * like, unlike, dislike, undislike, attendyes, unattendyes,
3073 * attendno, unattendno, attendmaybe, unattendmaybe
3075 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3076 * @throws \ImagickException
3077 * @hook 'post_local_end'
3079 * 'post_id' => ID of posted item
3081 public static function performActivity($item_id, $verb)
3083 if (!Session::isAuthenticated()) {
3090 $activity = Activity::LIKE;
3094 $activity = Activity::DISLIKE;
3098 $activity = Activity::ATTEND;
3102 $activity = Activity::ATTENDNO;
3105 case 'unattendmaybe':
3106 $activity = Activity::ATTENDMAYBE;
3110 $activity = Activity::FOLLOW;
3113 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3117 // Enable activity toggling instead of on/off
3118 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3120 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3122 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3123 if (!DBA::isResult($item)) {
3124 Logger::log('like: unknown item ' . $item_id);
3128 $item_uri = $item['uri'];
3130 $uid = $item['uid'];
3131 if (($uid == 0) && local_user()) {
3132 $uid = local_user();
3135 if (!Security::canWriteToUserWall($uid)) {
3136 Logger::log('like: unable to write on wall ' . $uid);
3140 // Retrieves the local post owner
3141 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3142 if (!DBA::isResult($owner_self_contact)) {
3143 Logger::log('like: unknown owner ' . $uid);
3147 // Retrieve the current logged in user's public contact
3148 $author_id = public_contact();
3150 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3151 if (!DBA::isResult($author_contact)) {
3152 Logger::log('like: unknown author ' . $author_id);
3156 // Contact-id is the uid-dependant author contact
3157 if (local_user() == $uid) {
3158 $item_contact_id = $owner_self_contact['id'];
3160 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3161 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3162 if (!DBA::isResult($item_contact)) {
3163 Logger::log('like: unknown item contact ' . $item_contact_id);
3168 // Look for an existing verb row
3169 // event participation are essentially radio toggles. If you make a subsequent choice,
3170 // we need to eradicate your first choice.
3171 if ($event_verb_flag) {
3172 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3174 // Translate to the index based activity index
3176 foreach ($verbs as $verb) {
3177 $activities[] = self::activityToIndex($verb);
3180 $activities = self::activityToIndex($activity);
3183 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3184 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3186 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3188 // If it exists, mark it as deleted
3189 if (DBA::isResult($like_item)) {
3190 self::markForDeletionById($like_item['id']);
3192 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3197 // Verb is "un-something", just trying to delete existing entries
3198 if (strpos($verb, 'un') === 0) {
3202 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3205 'guid' => System::createUUID(),
3206 'uri' => self::newURI($item['uid']),
3207 'uid' => $item['uid'],
3208 'contact-id' => $item_contact_id,
3209 'wall' => $item['wall'],
3211 'network' => Protocol::DFRN,
3212 'gravity' => GRAVITY_ACTIVITY,
3213 'parent' => $item['id'],
3214 'parent-uri' => $item['uri'],
3215 'thr-parent' => $item['uri'],
3216 'owner-id' => $author_id,
3217 'author-id' => $author_id,
3218 'body' => $activity,
3219 'verb' => $activity,
3220 'object-type' => $objtype,
3221 'allow_cid' => $item['allow_cid'],
3222 'allow_gid' => $item['allow_gid'],
3223 'deny_cid' => $item['deny_cid'],
3224 'deny_gid' => $item['deny_gid'],
3229 $signed = Diaspora::createLikeSignature($uid, $new_item);
3230 if (!empty($signed)) {
3231 $new_item['diaspora_signed_text'] = json_encode($signed);
3234 $new_item_id = self::insert($new_item);
3236 // If the parent item isn't visible then set it to visible
3237 if (!$item['visible']) {
3238 self::update(['visible' => true], ['id' => $item['id']]);
3241 $new_item['id'] = $new_item_id;
3243 Hook::callAll('post_local_end', $new_item);
3248 private static function addThread($itemid, $onlyshadow = false)
3250 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3251 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3252 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3253 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3254 $item = self::selectFirst($fields, $condition);
3256 if (!DBA::isResult($item)) {
3260 $item['iid'] = $itemid;
3263 $result = DBA::insert('thread', $item);
3265 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3269 private static function updateThread($itemid, $setmention = false)
3271 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3272 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3273 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3274 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3276 $item = self::selectFirst($fields, $condition);
3277 if (!DBA::isResult($item)) {
3282 $item["mention"] = 1;
3287 foreach ($item as $field => $data) {
3288 if (!in_array($field, ["guid"])) {
3289 $fields[$field] = $data;
3293 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3295 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3298 private static function deleteThread($itemid, $itemuri = "")
3300 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3301 if (!DBA::isResult($item)) {
3302 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3306 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3308 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3310 if ($itemuri != "") {
3311 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3312 if (!self::exists($condition)) {
3313 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3314 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3319 public static function getPermissionsSQLByUserId($owner_id)
3321 $local_user = local_user();
3322 $remote_user = Session::getRemoteContactID($owner_id);
3325 * Construct permissions
3327 * default permissions - anonymous user
3329 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3331 // Profile owner - everything is visible
3332 if ($local_user && ($local_user == $owner_id)) {
3334 } elseif ($remote_user) {
3336 * Authenticated visitor. Unless pre-verified,
3337 * check that the contact belongs to this $owner_id
3338 * and load the groups the visitor belongs to.
3339 * If pre-verified, the caller is expected to have already
3340 * done this and passed the groups into this function.
3342 $set = PermissionSet::get($owner_id, $remote_user);
3345 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3350 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3357 * get translated item type
3362 public static function postType($item)
3364 if (!empty($item['event-id'])) {
3365 return DI::l10n()->t('event');
3366 } elseif (!empty($item['resource-id'])) {
3367 return DI::l10n()->t('photo');
3368 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3369 return DI::l10n()->t('activity');
3370 } elseif ($item['id'] != $item['parent']) {
3371 return DI::l10n()->t('comment');
3374 return DI::l10n()->t('post');
3378 * Sets the "rendered-html" field of the provided item
3380 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3382 * @param array $item
3383 * @param bool $update
3385 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3386 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3388 public static function putInCache(&$item, $update = false)
3390 $body = $item["body"];
3392 $rendered_hash = $item['rendered-hash'] ?? '';
3393 $rendered_html = $item['rendered-html'] ?? '';
3395 if ($rendered_hash == ''
3396 || $rendered_html == ""
3397 || $rendered_hash != hash("md5", $item["body"])
3398 || DI::config()->get("system", "ignore_cache")
3400 self::addRedirToImageTags($item);
3402 $item["rendered-html"] = BBCode::convert($item["body"]);
3403 $item["rendered-hash"] = hash("md5", $item["body"]);
3405 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3406 Hook::callAll('put_item_in_cache', $hook_data);
3407 $item['rendered-html'] = $hook_data['rendered-html'];
3408 $item['rendered-hash'] = $hook_data['rendered-hash'];
3411 // Force an update if the generated values differ from the existing ones
3412 if ($rendered_hash != $item["rendered-hash"]) {
3416 // Only compare the HTML when we forcefully ignore the cache
3417 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3421 if ($update && !empty($item["id"])) {
3424 'rendered-html' => $item["rendered-html"],
3425 'rendered-hash' => $item["rendered-hash"]
3427 ['id' => $item["id"]]
3432 $item["body"] = $body;
3436 * Find any non-embedded images in private items and add redir links to them
3438 * @param array &$item The field array of an item row
3440 private static function addRedirToImageTags(array &$item)
3445 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3447 foreach ($matches as $mtch) {
3448 if (strpos($mtch[1], '/redir') !== false) {
3452 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3453 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3454 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3461 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3462 * If attach is true, also add icons for item attachments.
3464 * @param array $item
3465 * @param boolean $attach
3466 * @param boolean $is_preview
3467 * @return string item body html
3468 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3469 * @throws \ImagickException
3470 * @hook prepare_body_init item array before any work
3471 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3472 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3473 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3475 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3478 Hook::callAll('prepare_body_init', $item);
3480 // In order to provide theme developers more possibilities, event items
3481 // are treated differently.
3482 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3483 $ev = Event::getItemHTML($item);
3487 $tags = Tag::populateFromItem($item);
3489 $item['tags'] = $tags['tags'];
3490 $item['hashtags'] = $tags['hashtags'];
3491 $item['mentions'] = $tags['mentions'];
3493 // Compile eventual content filter reasons
3494 $filter_reasons = [];
3495 if (!$is_preview && public_contact() != $item['author-id']) {
3496 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3497 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3502 'filter_reasons' => $filter_reasons
3504 Hook::callAll('prepare_body_content_filter', $hook_data);
3505 $filter_reasons = $hook_data['filter_reasons'];
3509 // Update the cached values if there is no "zrl=..." on the links.
3510 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3512 // Or update it if the current viewer is the intented viewer.
3513 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3517 self::putInCache($item, $update);
3518 $s = $item["rendered-html"];
3523 'preview' => $is_preview,
3524 'filter_reasons' => $filter_reasons
3526 Hook::callAll('prepare_body', $hook_data);
3527 $s = $hook_data['html'];
3531 // Replace the blockquotes with quotes that are used in mails.
3532 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3533 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3540 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3541 foreach ($matches as $mtch) {
3544 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3546 if (strpos($mime, 'video') !== false) {
3549 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3552 $url_parts = explode('/', $the_url);
3553 $id = end($url_parts);
3554 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3557 'title' => DI::l10n()->t('View Video'),
3564 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3566 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3567 $filesubtype = str_replace('.', '-', $filesubtype);
3570 $filesubtype = 'unkn';
3573 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3574 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3576 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3577 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3581 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3585 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3586 $x = Map::byCoordinates(trim($item['coord']));
3588 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3592 // Replace friendica image url size with theme preference.
3593 if (!empty($a->theme_info['item_image_size'])) {
3594 $ps = $a->theme_info['item_image_size'];
3595 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3598 $s = HTML::applyContentFilter($s, $filter_reasons);
3600 $hook_data = ['item' => $item, 'html' => $s];
3601 Hook::callAll('prepare_body_final', $hook_data);
3603 return $hook_data['html'];
3607 * get private link for item
3609 * @param array $item
3610 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3611 * @throws \Exception
3613 public static function getPlink($item)
3617 if ($a->user['nickname'] != "") {
3619 'href' => "display/" . $item['guid'],
3620 'orig' => "display/" . $item['guid'],
3621 'title' => DI::l10n()->t('View on separate page'),
3622 'orig_title' => DI::l10n()->t('view on separate page'),
3625 if (!empty($item['plink'])) {
3626 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3627 $ret["title"] = DI::l10n()->t('link to source');
3630 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3632 'href' => $item['plink'],
3633 'orig' => $item['plink'],
3634 'title' => DI::l10n()->t('link to source'),
3644 * Is the given item array a post that is sent as starting post to a forum?
3646 * @param array $item
3647 * @param array $owner
3649 * @return boolean "true" when it is a forum post
3651 public static function isForumPost(array $item, array $owner = [])
3653 if (empty($owner)) {
3654 $owner = User::getOwnerDataById($item['uid']);
3655 if (empty($owner)) {
3660 if (($item['author-id'] == $item['owner-id']) ||
3661 ($owner['id'] == $item['contact-id']) ||
3662 ($item['uri'] != $item['parent-uri']) ||
3667 return Contact::isForum($item['contact-id']);
3671 * Search item id for given URI or plink
3673 * @param string $uri
3674 * @param integer $uid
3676 * @return integer item id
3678 public static function searchByLink($uri, $uid = 0)
3680 $ssl_uri = str_replace('http://', 'https://', $uri);
3681 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3683 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3684 if (DBA::isResult($item)) {
3688 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3689 if (!DBA::isResult($itemcontent)) {
3693 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3694 if (!DBA::isResult($itemuri)) {
3698 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3699 if (DBA::isResult($item)) {
3707 * Return the URI for a link to the post
3709 * @param string $uri URI or link to post
3711 * @return string URI
3713 public static function getURIByLink(string $uri)
3715 $ssl_uri = str_replace('http://', 'https://', $uri);
3716 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3718 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3719 if (DBA::isResult($item)) {
3720 return $item['uri'];
3723 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3724 if (!DBA::isResult($itemcontent)) {
3728 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3729 if (DBA::isResult($itemuri)) {
3730 return $itemuri['uri'];
3737 * Fetches item for given URI or plink
3739 * @param string $uri
3740 * @param integer $uid
3742 * @return integer item id
3744 public static function fetchByLink($uri, $uid = 0)
3746 $item_id = self::searchByLink($uri, $uid);
3747 if (!empty($item_id)) {
3751 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3752 $item_id = self::searchByLink($fetched_uri, $uid);
3754 $item_id = Diaspora::fetchByURL($uri);
3757 if (!empty($item_id)) {
3765 * Return share data from an item array (if the item is shared item)
3766 * We are providing the complete Item array, because at some time in the future
3767 * we hopefully will define these values not in the body anymore but in some item fields.
3768 * This function is meant to replace all similar functions in the system.
3770 * @param array $item
3772 * @return array with share information
3774 public static function getShareArray($item)
3776 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3780 $attribute_string = $matches[2];
3781 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3782 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3783 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3784 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3791 * Fetch item information for shared items from the original items and adds it.
3793 * @param array $item
3795 * @return array item array with data from the original item
3797 public static function addShareDataFromOriginal($item)
3799 $shared = self::getShareArray($item);
3800 if (empty($shared)) {
3804 // Real reshares always have got a GUID.
3805 if (empty($shared['guid'])) {
3809 $uid = $item['uid'] ?? 0;
3811 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3812 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3813 if (!DBA::isResult($shared_item)) {
3814 if (empty($shared['link'])) {
3818 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3819 $id = self::fetchByLink($shared['link'], $uid);
3821 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3825 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3826 if (!DBA::isResult($shared_item)) {
3829 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3831 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3834 if (!empty($shared_item['title'])) {
3835 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3836 unset($shared_item['title']);
3838 $body = $shared_item['body'];
3841 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3842 unset($shared_item['body']);
3844 return array_merge($item, $shared_item);