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\Protocol\Activity;
36 use Friendica\Protocol\ActivityPub;
37 use Friendica\Protocol\Diaspora;
38 use Friendica\Protocol\OStatus;
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\Util\XML;
45 use Friendica\Worker\Delivery;
46 use Text_LanguageDetect;
47 use Friendica\Repository\PermissionSet as RepPermissionSet;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
60 const PT_PERSONAL_NOTE = 128;
62 // Field list that is used to display the items
63 const DISPLAY_FIELDLIST = [
64 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
65 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
66 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
67 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
68 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
69 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
70 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
71 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
72 'writable', 'self', 'cid', 'alias', 'pinned',
73 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
74 'event-summary', 'event-desc', 'event-location', 'event-type',
75 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
76 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
79 // Field list that is used to deliver items via the protocols
80 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
81 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
82 'private', 'title', 'body', 'location', 'coord', 'app',
83 'attach', 'tag', 'deleted', 'extid', 'post-type',
84 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
85 'author-id', 'author-link', 'owner-link', 'contact-uid',
86 'signed_text', 'signature', 'signer', 'network'];
88 // Field list for "item-content" table that is mixed with the item table
89 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
90 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
91 'object-type', 'object', 'target-type', 'target', 'plink'];
93 // Field list for "item-content" table that is not present in the "item" table
94 const CONTENT_FIELDLIST = ['language'];
96 // All fields in the item table
97 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
98 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
99 'created', 'edited', 'commented', 'received', 'changed', 'verb',
100 'postopts', 'plink', 'resource-id', 'event-id', 'tag', '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 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
286 foreach ($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-' . $field]);
294 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
295 $row['verb'] = self::indexToActivity($row['internal-activity']);
296 if (array_key_exists('title', $row)) {
299 if (array_key_exists('body', $row)) {
300 $row['body'] = $row['verb'];
302 if (array_key_exists('object', $row)) {
305 if (array_key_exists('object-type', $row)) {
306 $row['object-type'] = Activity\ObjectType::NOTE;
308 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
309 // Posts don't have a target - but having tags or files.
310 // We safe some performance by building tag and file strings only here.
311 // We remove the target since they aren't used for this type.
312 // In mail posts we do store some mail header data in the object.
313 if (array_key_exists('target', $row)) {
318 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
319 // Build the tag string out of the term entries
320 if (array_key_exists('tag', $row) && empty($row['tag'])) {
321 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
324 // Build the file string out of the term entries
325 if (array_key_exists('file', $row) && empty($row['file'])) {
326 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
330 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
331 if (array_key_exists('allow_cid', $row)) {
332 $row['allow_cid'] = '';
334 if (array_key_exists('allow_gid', $row)) {
335 $row['allow_gid'] = '';
337 if (array_key_exists('deny_cid', $row)) {
338 $row['deny_cid'] = '';
340 if (array_key_exists('deny_gid', $row)) {
341 $row['deny_gid'] = '';
345 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
346 $row['ignored'] = $row['internal-user-ignored'];
349 // Remove internal fields
350 unset($row['internal-activity']);
351 unset($row['internal-network']);
352 unset($row['internal-iid']);
353 unset($row['internal-psid']);
354 unset($row['internal-iaid']);
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', 'tag', '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', 'id' => 'internal-iid',
679 'network' => 'internal-network', 'iaid' => 'internal-iaid', 'psid' => 'internal-psid'];
682 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
685 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
687 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
689 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
691 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
693 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
694 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
696 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
697 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
699 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
700 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
701 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
703 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
705 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
707 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
708 'start' => 'event-start','finish' => 'event-finish',
709 'summary' => 'event-summary','desc' => 'event-desc',
710 'location' => 'event-location', 'type' => 'event-type',
711 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
712 'ignore' => 'event-ignore', 'id' => 'event-id'];
714 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
720 * Returns SQL condition for the "select" functions
722 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
724 * @return string SQL condition
726 private static function condition($thread_mode)
729 $master_table = "`thread`";
731 $master_table = "`item`";
733 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
734 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
735 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
736 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
737 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
738 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
739 GRAVITY_PARENT, GRAVITY_PARENT);
743 * Returns all needed "JOIN" commands for the "select" functions
745 * @param integer $uid User ID
746 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
747 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
750 * @return string The SQL joins for the "select" functions
752 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
755 $master_table = "`thread`";
756 $master_table_key = "`thread`.`iid`";
757 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
759 $master_table = "`item`";
760 $master_table_key = "`item`.`id`";
765 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
766 AND NOT `contact`.`blocked`
767 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
768 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
769 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
770 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
771 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
772 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
773 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
774 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
776 if (strpos($sql_commands, "`contact`.") !== false) {
777 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
779 if (strpos($sql_commands, "`author`.") !== false) {
780 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
782 if (strpos($sql_commands, "`owner`.") !== false) {
783 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
787 if (strpos($sql_commands, "`group_member`.") !== false) {
788 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
791 if (strpos($sql_commands, "`user`.") !== false) {
792 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
795 if (strpos($sql_commands, "`event`.") !== false) {
796 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
799 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
800 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
803 if (strpos($sql_commands, "`item-activity`.") !== false) {
804 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
807 if (strpos($sql_commands, "`item-content`.") !== false) {
808 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
811 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
812 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
815 if (strpos($sql_commands, "`permissionset`.") !== false) {
816 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
819 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
820 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
823 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
824 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
831 * Add the field list for the "select" functions
833 * @param array $fields The field definition array
834 * @param array $selected The array with the selected fields from the "select" functions
836 * @return string The field list
838 private static function constructSelectFields(array $fields, array $selected)
840 if (!empty($selected)) {
841 $selected = array_merge($selected, ['internal-iid', 'internal-psid', 'internal-iaid', 'internal-network']);
844 if (in_array('verb', $selected)) {
845 $selected[] = 'internal-activity';
848 if (in_array('ignored', $selected)) {
849 $selected[] = 'internal-user-ignored';
852 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
855 foreach ($fields as $table => $table_fields) {
856 foreach ($table_fields as $field => $select) {
857 if (empty($selected) || in_array($select, $selected)) {
858 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
859 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
861 if (is_int($field)) {
862 $selection[] = "`" . $table . "`.`" . $select . "`";
864 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
869 return implode(", ", $selection);
873 * add table definition to fields in an SQL query
875 * @param string $query SQL query
876 * @param array $fields The field definition array
878 * @return string the changed SQL query
880 private static function addTablesToFields($query, $fields)
882 foreach ($fields as $table => $table_fields) {
883 foreach ($table_fields as $alias => $field) {
884 if (is_int($alias)) {
885 $replace_field = $field;
887 $replace_field = $alias;
890 $search = "/([^\.])`" . $field . "`/i";
891 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
892 $query = preg_replace($search, $replace, $query);
899 * Update existing item entries
901 * @param array $fields The fields that are to be changed
902 * @param array $condition The condition for finding the item entries
904 * In the future we may have to change permissions as well.
905 * Then we had to add the user id as third parameter.
907 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
909 * @return integer|boolean number of affected rows - or "false" if there was an error
910 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
912 public static function update(array $fields, array $condition)
914 if (empty($condition) || empty($fields)) {
918 // To ensure the data integrity we do it in an transaction
921 // We cannot simply expand the condition to check for origin entries
922 // The condition needn't to be a simple array but could be a complex condition.
923 // And we have to execute this query before the update to ensure to fetch the same data.
924 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
926 $content_fields = [];
927 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
928 if (isset($fields[$field])) {
929 $content_fields[$field] = $fields[$field];
930 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
931 unset($fields[$field]);
933 $fields[$field] = null;
938 $delivery_data = ItemDeliveryData::extractFields($fields);
940 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
941 foreach ($clear_fields as $field) {
942 if (array_key_exists($field, $fields)) {
943 $fields[$field] = null;
947 if (array_key_exists('tag', $fields)) {
948 $tags = $fields['tag'];
949 $fields['tag'] = 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' => $item['id']]);
1026 if (!is_null($tags)) {
1027 Term::insertFromTagFieldByItemId($item['id'], $tags);
1028 if (!empty($item['tag'])) {
1029 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1033 if (!is_null($files)) {
1034 Term::insertFromFileFieldByItemId($item['id'], $files);
1035 if (!empty($item['file'])) {
1036 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1040 ItemDeliveryData::update($item['id'], $delivery_data);
1042 self::updateThread($item['id']);
1044 // We only need to notfiy others when it is an original entry from us.
1045 // Only call the notifier when the item has some content relevant change.
1046 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1047 $notify_items[] = $item['id'];
1054 foreach ($notify_items as $notify_item) {
1055 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1062 * Delete an item and notify others about it - if it was ours
1064 * @param array $condition The condition for finding the item entries
1065 * @param integer $priority Priority for the notification
1066 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1068 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1070 $items = self::select(['id'], $condition);
1071 while ($item = self::fetch($items)) {
1072 self::markForDeletionById($item['id'], $priority);
1078 * Delete an item for an user and notify others about it - if it was ours
1080 * @param array $condition The condition for finding the item entries
1081 * @param integer $uid User who wants to delete this item
1082 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1084 public static function deleteForUser($condition, $uid)
1090 $items = self::select(['id', 'uid'], $condition);
1091 while ($item = self::fetch($items)) {
1092 // "Deleting" global items just means hiding them
1093 if ($item['uid'] == 0) {
1094 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1096 // Delete notifications
1097 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1098 } elseif ($item['uid'] == $uid) {
1099 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1101 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1108 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1110 * @param integer $item_id
1111 * @param integer $priority Priority for the notification
1113 * @return boolean success
1114 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1116 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1118 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1119 // locate item to be deleted
1120 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1121 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1122 'verb', 'object-type', 'object', 'target', 'contact-id',
1123 'icid', 'iaid', 'psid'];
1124 $item = self::selectFirst($fields, ['id' => $item_id]);
1125 if (!DBA::isResult($item)) {
1126 Logger::info('Item not found.', ['id' => $item_id]);
1130 if ($item['deleted']) {
1131 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1135 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1136 if (!DBA::isResult($parent)) {
1137 $parent = ['origin' => false];
1140 // clean up categories and tags so they don't end up as orphans
1143 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1146 foreach ($matches as $mtch) {
1147 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1153 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1156 foreach ($matches as $mtch) {
1157 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1162 * If item is a link to a photo resource, nuke all the associated photos
1163 * (visitors will not have photo resources)
1164 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1165 * generate a resource-id and therefore aren't intimately linked to the item.
1167 /// @TODO: this should first check if photo is used elsewhere
1168 if (strlen($item['resource-id'])) {
1169 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1172 // If item is a link to an event, delete the event.
1173 if (intval($item['event-id'])) {
1174 Event::delete($item['event-id']);
1177 // If item has attachments, drop them
1178 /// @TODO: this should first check if attachment is used elsewhere
1179 foreach (explode(",", $item['attach']) as $attach) {
1180 preg_match("|attach/(\d+)|", $attach, $matches);
1181 if (is_array($matches) && count($matches) > 1) {
1182 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1186 // Delete tags that had been attached to other items
1187 self::deleteTagsFromItem($item);
1189 // Delete notifications
1190 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1192 // Set the item to "deleted"
1193 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1194 DBA::update('item', $item_fields, ['id' => $item['id']]);
1196 Term::insertFromTagFieldByItemId($item['id'], '');
1197 Term::insertFromFileFieldByItemId($item['id'], '');
1198 self::deleteThread($item['id'], $item['parent-uri']);
1200 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1201 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1204 ItemDeliveryData::delete($item['id']);
1206 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1208 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1209 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1211 // When the permission set will be used in photo and events as well,
1212 // this query here needs to be extended.
1213 // @todo Currently deactivated. We need the permission set in the deletion process.
1214 // This is a reminder to add the removal somewhere else.
1215 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1216 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1219 // If it's the parent of a comment thread, kill all the kids
1220 if ($item['id'] == $item['parent']) {
1221 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1224 // Is it our comment and/or our thread?
1225 if ($item['origin'] || $parent['origin']) {
1226 // When we delete the original post we will delete all existing copies on the server as well
1227 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1229 // send the notification upstream/downstream
1230 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1231 } elseif ($item['uid'] != 0) {
1233 // When we delete just our local user copy of an item, we have to set a marker to hide it
1234 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1235 if (DBA::isResult($global_item)) {
1236 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1240 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1245 private static function deleteTagsFromItem($item)
1247 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1251 $xo = XML::parseString($item["object"], false);
1252 $xt = XML::parseString($item["target"], false);
1254 if ($xt->type != Activity\ObjectType::NOTE) {
1258 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1259 if (!DBA::isResult($i)) {
1263 // For tags, the owner cannot remove the tag on the author's copy of the post.
1264 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1265 $author_copy = $item["origin"];
1267 if (($owner_remove && $author_copy) || !$owner_remove) {
1271 $tags = explode(',', $i["tag"]);
1274 foreach ($tags as $tag) {
1275 if (trim($tag) !== trim($xo->body)) {
1276 $newtags[] = trim($tag);
1280 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1283 private static function guid($item, $notify)
1285 if (!empty($item['guid'])) {
1286 return Strings::escapeTags(trim($item['guid']));
1290 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1291 // We add the hash of our own host because our host is the original creator of the post.
1292 $prefix_host = DI::baseUrl()->getHostname();
1296 // We are only storing the post so we create a GUID from the original hostname.
1297 if (!empty($item['author-link'])) {
1298 $parsed = parse_url($item['author-link']);
1299 if (!empty($parsed['host'])) {
1300 $prefix_host = $parsed['host'];
1304 if (empty($prefix_host) && !empty($item['plink'])) {
1305 $parsed = parse_url($item['plink']);
1306 if (!empty($parsed['host'])) {
1307 $prefix_host = $parsed['host'];
1311 if (empty($prefix_host) && !empty($item['uri'])) {
1312 $parsed = parse_url($item['uri']);
1313 if (!empty($parsed['host'])) {
1314 $prefix_host = $parsed['host'];
1318 // Is it in the format data@host.tld? - Used for mail contacts
1319 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1320 $mailparts = explode('@', $item['author-link']);
1321 $prefix_host = array_pop($mailparts);
1325 if (!empty($item['plink'])) {
1326 $guid = self::guidFromUri($item['plink'], $prefix_host);
1327 } elseif (!empty($item['uri'])) {
1328 $guid = self::guidFromUri($item['uri'], $prefix_host);
1330 $guid = System::createUUID(hash('crc32', $prefix_host));
1336 private static function contactId($item)
1338 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1339 return $item['contact-id'];
1340 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1341 return $item['contact-id'];
1342 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1343 return $item['author-id'];
1344 } elseif (!empty($item['contact-id'])) {
1345 return $item['contact-id'];
1347 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1348 if (!empty($contact_id)) {
1352 return $item['author-id'];
1355 // This function will finally cover most of the preparation functionality in mod/item.php
1356 public static function prepare(&$item)
1359 * @TODO: Unused code triggering inspection errors
1361 $data = BBCode::getAttachmentData($item['body']);
1362 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1363 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1364 $posttype = Item::PT_PAGE;
1365 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1371 * Write an item array into a spool file to be inserted later.
1372 * This command is called whenever there are issues storing an item.
1374 * @param array $item The item fields that are to be inserted
1375 * @throws \Exception
1377 private static function spool($orig_item)
1379 // Now we store the data in the spool directory
1380 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1381 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1383 $spoolpath = get_spoolpath();
1384 if ($spoolpath != "") {
1385 $spool = $spoolpath . '/' . $file;
1387 file_put_contents($spool, json_encode($orig_item));
1388 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1392 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1396 $priority = PRIORITY_HIGH;
1398 // If it is a posting where users should get notifications, then define it as wall posting
1401 $item['origin'] = 1;
1402 $item['network'] = Protocol::DFRN;
1403 $item['protocol'] = Conversation::PARCEL_DFRN;
1405 if (is_int($notify)) {
1406 $priority = $notify;
1409 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1412 $item['guid'] = self::guid($item, $notify);
1413 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1416 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1418 // Store conversation data
1419 $item = Conversation::insert($item);
1422 * If a Diaspora signature structure was passed in, pull it out of the
1423 * item array and set it aside for later storage.
1427 if (isset($item['dsprsig'])) {
1428 $encoded_signature = $item['dsprsig'];
1429 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1430 unset($item['dsprsig']);
1433 $diaspora_signed_text = '';
1434 if (isset($item['diaspora_signed_text'])) {
1435 $diaspora_signed_text = $item['diaspora_signed_text'];
1436 unset($item['diaspora_signed_text']);
1439 // Converting the plink
1440 /// @TODO Check if this is really still needed
1441 if ($item['network'] == Protocol::OSTATUS) {
1442 if (isset($item['plink'])) {
1443 $item['plink'] = OStatus::convertHref($item['plink']);
1444 } elseif (isset($item['uri'])) {
1445 $item['plink'] = OStatus::convertHref($item['uri']);
1449 if (!empty($item['thr-parent'])) {
1450 $item['parent-uri'] = $item['thr-parent'];
1453 $activity = DI::activity();
1455 if (isset($item['gravity'])) {
1456 $item['gravity'] = intval($item['gravity']);
1457 } elseif ($item['parent-uri'] === $item['uri']) {
1458 $item['gravity'] = GRAVITY_PARENT;
1459 } elseif ($activity->match($item['verb'], Activity::POST)) {
1460 $item['gravity'] = GRAVITY_COMMENT;
1461 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1462 $item['gravity'] = GRAVITY_ACTIVITY;
1464 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1465 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1468 $uid = intval($item['uid']);
1470 // check for create date and expire time
1471 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1473 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1474 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1475 $expire_interval = $user['expire'];
1478 if (($expire_interval > 0) && !empty($item['created'])) {
1479 $expire_date = time() - ($expire_interval * 86400);
1480 $created_date = strtotime($item['created']);
1481 if ($created_date < $expire_date) {
1482 Logger::notice('Item created before expiration interval.', [
1483 'created' => date('c', $created_date),
1484 'expired' => date('c', $expire_date),
1492 * Do we already have this item?
1493 * We have to check several networks since Friendica posts could be repeated
1494 * via OStatus (maybe Diasporsa as well)
1496 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1497 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1498 trim($item['uri']), $item['uid'],
1499 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1500 $existing = self::selectFirst(['id', 'network'], $condition);
1501 if (DBA::isResult($existing)) {
1502 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1504 Logger::notice('Item already existed for user', [
1505 'uri' => $item['uri'],
1507 'network' => $item['network'],
1508 'existing_id' => $existing["id"],
1509 'existing_network' => $existing["network"]
1513 return $existing["id"];
1517 $item['wall'] = intval($item['wall'] ?? 0);
1518 $item['extid'] = trim($item['extid'] ?? '');
1519 $item['author-name'] = trim($item['author-name'] ?? '');
1520 $item['author-link'] = trim($item['author-link'] ?? '');
1521 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1522 $item['owner-name'] = trim($item['owner-name'] ?? '');
1523 $item['owner-link'] = trim($item['owner-link'] ?? '');
1524 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1525 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1526 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1527 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1528 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1529 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1530 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1531 $item['location'] = trim($item['location'] ?? '');
1532 $item['coord'] = trim($item['coord'] ?? '');
1533 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1534 $item['deleted'] = 0;
1535 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1536 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1537 $item['verb'] = trim($item['verb'] ?? '');
1538 $item['object-type'] = trim($item['object-type'] ?? '');
1539 $item['object'] = trim($item['object'] ?? '');
1540 $item['target-type'] = trim($item['target-type'] ?? '');
1541 $item['target'] = trim($item['target'] ?? '');
1542 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1543 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1544 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1545 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1546 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1547 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1548 $item['body'] = trim($item['body'] ?? '');
1549 $item['tag'] = trim($item['tag'] ?? '');
1550 $item['attach'] = trim($item['attach'] ?? '');
1551 $item['app'] = trim($item['app'] ?? '');
1552 $item['origin'] = intval($item['origin'] ?? 0);
1553 $item['postopts'] = trim($item['postopts'] ?? '');
1554 $item['resource-id'] = trim($item['resource-id'] ?? '');
1555 $item['event-id'] = intval($item['event-id'] ?? 0);
1556 $item['inform'] = trim($item['inform'] ?? '');
1557 $item['file'] = trim($item['file'] ?? '');
1559 // When there is no content then we don't post it
1560 if ($item['body'].$item['title'] == '') {
1561 Logger::notice('No body, no title.');
1565 self::addLanguageToItemArray($item);
1567 // Items cannot be stored before they happen ...
1568 if ($item['created'] > DateTimeFormat::utcNow()) {
1569 $item['created'] = DateTimeFormat::utcNow();
1572 // We haven't invented time travel by now.
1573 if ($item['edited'] > DateTimeFormat::utcNow()) {
1574 $item['edited'] = DateTimeFormat::utcNow();
1577 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1579 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1580 'photo' => $item['author-avatar'], 'network' => $item['network']];
1582 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1584 if (Contact::isBlocked($item['author-id'])) {
1585 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1589 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1590 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1594 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1595 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1599 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1600 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1602 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1604 if (Contact::isBlocked($item['owner-id'])) {
1605 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1609 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1610 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1614 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1615 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1619 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1620 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1621 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1625 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1626 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1630 // We don't store the causer, we only have it here for the checks above
1631 unset($item['causer-id']);
1632 unset($item['causer-link']);
1634 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1635 $item["contact-id"] = self::contactId($item);
1637 if ($item['network'] == Protocol::PHANTOM) {
1638 $item['network'] = Protocol::DFRN;
1639 Logger::notice('Missing network, setting to {network}.', [
1640 'uri' => $item["uri"],
1641 'network' => $item['network'],
1642 'callstack' => System::callstack()
1646 // Checking if there is already an item with the same guid
1647 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1648 if (self::exists($condition)) {
1649 Logger::notice('Found already existing item', [
1650 'guid' => $item['guid'],
1651 'uid' => $item['uid'],
1652 'network' => $item['network']
1657 if ($item['verb'] == Activity::FOLLOW) {
1658 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1659 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1660 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1664 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1665 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1666 if (self::exists($condition)) {
1667 // It happens that we receive multiple follow requests by the same author - we only store one.
1668 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1673 // Check for hashtags in the body and repair or add hashtag links
1674 self::setHashtags($item);
1676 $item['thr-parent'] = $item['parent-uri'];
1678 $notify_type = Delivery::POST;
1684 if ($item['parent-uri'] === $item['uri']) {
1686 $parent_deleted = 0;
1687 $allow_cid = $item['allow_cid'];
1688 $allow_gid = $item['allow_gid'];
1689 $deny_cid = $item['deny_cid'];
1690 $deny_gid = $item['deny_gid'];
1692 // find the parent and snarf the item id and ACLs
1693 // and anything else we need to inherit
1695 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1696 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1697 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1698 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1699 $params = ['order' => ['id' => false]];
1700 $parent = self::selectFirst($fields, $condition, $params);
1702 if (DBA::isResult($parent)) {
1703 // is the new message multi-level threaded?
1704 // even though we don't support it now, preserve the info
1705 // and re-attach to the conversation parent.
1707 if ($parent['uri'] != $parent['parent-uri']) {
1708 $item['parent-uri'] = $parent['parent-uri'];
1710 $condition = ['uri' => $item['parent-uri'],
1711 'parent-uri' => $item['parent-uri'],
1712 'uid' => $item['uid']];
1713 $params = ['order' => ['id' => false]];
1714 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1716 if (DBA::isResult($toplevel_parent)) {
1717 $parent = $toplevel_parent;
1721 $parent_id = $parent['id'];
1722 $parent_deleted = $parent['deleted'];
1723 $allow_cid = $parent['allow_cid'];
1724 $allow_gid = $parent['allow_gid'];
1725 $deny_cid = $parent['deny_cid'];
1726 $deny_gid = $parent['deny_gid'];
1727 $item['wall'] = $parent['wall'];
1730 * If the parent is private, force privacy for the entire conversation
1731 * This differs from the above settings as it subtly allows comments from
1732 * email correspondents to be private even if the overall thread is not.
1734 if ($parent['private']) {
1735 $item['private'] = $parent['private'];
1739 * Edge case. We host a public forum that was originally posted to privately.
1740 * The original author commented, but as this is a comment, the permissions
1741 * weren't fixed up so it will still show the comment as private unless we fix it here.
1743 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1744 $item['private'] = self::PUBLIC;
1747 // If its a post that originated here then tag the thread as "mention"
1748 if ($item['origin'] && $item['uid']) {
1749 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1750 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1753 // Update the contact relations
1754 if ($item['author-id'] != $parent['author-id']) {
1755 DBA::update('contact-relation', ['last-interaction' => $item['created']], ['cid' => $parent['author-id'], 'relation-cid' => $item['author-id']], true);
1759 * Allow one to see reply tweets from status.net even when
1760 * we don't have or can't see the original post.
1762 if ($force_parent) {
1763 Logger::log('$force_parent=true, reply converted to top-level post.');
1765 $item['parent-uri'] = $item['uri'];
1766 $item['gravity'] = GRAVITY_PARENT;
1768 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1772 $parent_deleted = 0;
1776 if (stristr($item['verb'], Activity::POKE)) {
1777 $notify_type = Delivery::POKE;
1780 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1781 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1783 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1784 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1785 if (self::exists($condition)) {
1786 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1790 // On Friendica and Diaspora the GUID is unique
1791 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1792 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1793 if (self::exists($condition)) {
1794 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1797 } elseif ($item['network'] == Protocol::OSTATUS) {
1798 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1799 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1800 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1801 if (self::exists($condition)) {
1802 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1807 // Is this item available in the global items (with uid=0)?
1808 if ($item["uid"] == 0) {
1809 $item["global"] = true;
1811 // Set the global flag on all items if this was a global item entry
1812 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1814 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1818 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1819 $private = self::PRIVATE;
1821 $private = $item['private'];
1824 $item["allow_cid"] = $allow_cid;
1825 $item["allow_gid"] = $allow_gid;
1826 $item["deny_cid"] = $deny_cid;
1827 $item["deny_gid"] = $deny_gid;
1828 $item["private"] = $private;
1829 $item["deleted"] = $parent_deleted;
1831 // Fill the cache field
1832 self::putInCache($item);
1835 $item['edit'] = false;
1836 $item['parent'] = $parent_id;
1837 Hook::callAll('post_local', $item);
1838 unset($item['edit']);
1839 unset($item['parent']);
1841 Hook::callAll('post_remote', $item);
1844 // This array field is used to trigger some automatic reactions
1845 // It is mainly used in the "post_local" hook.
1846 unset($item['api_source']);
1848 if (!empty($item['cancel'])) {
1849 Logger::log('post cancelled by addon.');
1854 * Check for already added items.
1855 * There is a timing issue here that sometimes creates double postings.
1856 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1858 if ($item["uid"] == 0) {
1859 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1860 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1865 Logger::log('' . print_r($item,true), Logger::DATA);
1867 if (array_key_exists('tag', $item)) {
1868 $tags = $item['tag'];
1869 unset($item['tag']);
1874 if (array_key_exists('file', $item)) {
1875 $files = $item['file'];
1876 unset($item['file']);
1881 // Creates or assigns the permission set
1882 $item['psid'] = PermissionSet::getIdFromACL(
1890 $item['allow_cid'] = null;
1891 $item['allow_gid'] = null;
1892 $item['deny_cid'] = null;
1893 $item['deny_gid'] = null;
1895 // We are doing this outside of the transaction to avoid timing problems
1896 if (!self::insertActivity($item)) {
1897 self::insertContent($item);
1900 $delivery_data = ItemDeliveryData::extractFields($item);
1902 unset($item['postopts']);
1903 unset($item['inform']);
1905 // These fields aren't stored anymore in the item table, they are fetched upon request
1906 unset($item['author-link']);
1907 unset($item['author-name']);
1908 unset($item['author-avatar']);
1909 unset($item['author-network']);
1911 unset($item['owner-link']);
1912 unset($item['owner-name']);
1913 unset($item['owner-avatar']);
1915 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1918 $ret = DBA::insert('item', $item);
1920 // When the item was successfully stored we fetch the ID of the item.
1921 if (DBA::isResult($ret)) {
1922 $current_post = DBA::lastInsertId();
1924 // This can happen - for example - if there are locking timeouts.
1927 // Store the data into a spool file so that we can try again later.
1928 self::spool($orig_item);
1932 if ($current_post == 0) {
1933 // This is one of these error messages that never should occur.
1934 Logger::log("couldn't find created item - we better quit now.");
1939 // How much entries have we created?
1940 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1941 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1944 // There are duplicates. We delete our just created entry.
1945 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1947 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1948 DBA::delete('item', ['id' => $current_post]);
1951 } elseif ($entries == 0) {
1952 // This really should never happen since we quit earlier if there were problems.
1953 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1958 Logger::log('created item '.$current_post);
1960 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1961 $parent_id = $current_post;
1965 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1967 $item['id'] = $current_post;
1968 $item['parent'] = $parent_id;
1970 // update the commented timestamp on the parent
1971 // Only update "commented" if it is really a comment
1972 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1973 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1975 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1980 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1981 * We can check for this condition when we decode and encode the stuff again.
1983 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1984 $dsprsig->signature = base64_decode($dsprsig->signature);
1985 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1988 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1989 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1993 if (!empty($diaspora_signed_text)) {
1994 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1997 if ($item['parent-uri'] === $item['uri']) {
1998 self::addThread($current_post);
2000 self::updateThread($parent_id);
2003 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
2004 ItemDeliveryData::insert($current_post, $delivery_data);
2010 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
2011 * This is not perfect - but a workable solution until we found the reason for the problem.
2013 if (!empty($tags)) {
2014 Term::insertFromTagFieldByItemId($current_post, $tags);
2017 if (!empty($files)) {
2018 Term::insertFromFileFieldByItemId($current_post, $files);
2021 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2022 if (self::tagDeliver($item['uid'], $current_post)) {
2023 // Get the user information for the logging
2024 $user = User::getById($uid);
2026 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2031 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2032 if (DBA::isResult($posted_item)) {
2034 Hook::callAll('post_local_end', $posted_item);
2036 Hook::callAll('post_remote_end', $posted_item);
2039 Logger::log('new item not found in DB, id ' . $current_post);
2043 if ($item['parent-uri'] === $item['uri']) {
2044 self::addShadow($current_post);
2046 self::addShadowPost($current_post);
2049 self::updateContact($item);
2051 UserItem::setNotification($current_post);
2053 check_user_notification($current_post);
2055 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2056 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2059 return $current_post;
2063 * Insert a new item content entry
2065 * @param array $item The item fields that are to be inserted
2067 * @throws \Exception
2069 private static function insertActivity(&$item)
2071 $activity_index = self::activityToIndex($item['verb']);
2073 if ($activity_index < 0) {
2077 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2079 // We just remove everything that is content
2080 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2081 unset($item[$field]);
2084 // To avoid timing problems, we are using locks.
2085 $locked = DI::lock()->acquire('item_insert_activity');
2087 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2090 // Do we already have this content?
2091 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2092 if (DBA::isResult($item_activity)) {
2093 $item['iaid'] = $item_activity['id'];
2094 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2095 } elseif (DBA::insert('item-activity', $fields)) {
2096 $item['iaid'] = DBA::lastInsertId();
2097 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2099 // This shouldn't happen.
2100 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2101 DI::lock()->release('item_insert_activity');
2105 DI::lock()->release('item_insert_activity');
2111 * Insert a new item content entry
2113 * @param array $item The item fields that are to be inserted
2114 * @throws \Exception
2116 private static function insertContent(&$item)
2118 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2120 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2121 if (isset($item[$field])) {
2122 $fields[$field] = $item[$field];
2123 unset($item[$field]);
2127 // To avoid timing problems, we are using locks.
2128 $locked = DI::lock()->acquire('item_insert_content');
2130 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2133 // Do we already have this content?
2134 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2135 if (DBA::isResult($item_content)) {
2136 $item['icid'] = $item_content['id'];
2137 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2138 } elseif (DBA::insert('item-content', $fields)) {
2139 $item['icid'] = DBA::lastInsertId();
2140 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2142 // This shouldn't happen.
2143 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2146 DI::lock()->release('item_insert_content');
2151 * Update existing item content entries
2153 * @param array $item The item fields that are to be changed
2154 * @param array $condition The condition for finding the item content entries
2156 * @throws \Exception
2158 private static function updateActivity($item, $condition)
2160 if (empty($item['verb'])) {
2163 $activity_index = self::activityToIndex($item['verb']);
2165 if ($activity_index < 0) {
2169 $fields = ['activity' => $activity_index];
2171 Logger::log('Update activity for ' . json_encode($condition));
2173 DBA::update('item-activity', $fields, $condition, true);
2179 * Update existing item content entries
2181 * @param array $item The item fields that are to be changed
2182 * @param array $condition The condition for finding the item content entries
2183 * @throws \Exception
2185 private static function updateContent($item, $condition)
2187 // We have to select only the fields from the "item-content" table
2189 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2190 if (isset($item[$field])) {
2191 $fields[$field] = $item[$field];
2195 if (empty($fields)) {
2196 // when there are no fields at all, just use the condition
2197 // This is to ensure that we always store content.
2198 $fields = $condition;
2201 Logger::log('Update content for ' . json_encode($condition));
2203 DBA::update('item-content', $fields, $condition, true);
2207 * Distributes public items to the receivers
2209 * @param integer $itemid Item ID that should be added
2210 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2211 * @throws \Exception
2213 public static function distribute($itemid, $signed_text = '')
2215 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2216 $parent = self::selectFirst(['owner-id'], $condition);
2217 if (!DBA::isResult($parent)) {
2221 // Only distribute public items from native networks
2222 $condition = ['id' => $itemid, 'uid' => 0,
2223 'network' => array_merge(Protocol::FEDERATED ,['']),
2224 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2225 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2226 if (!DBA::isResult($item)) {
2230 $origin = $item['origin'];
2233 unset($item['parent']);
2234 unset($item['mention']);
2235 unset($item['wall']);
2236 unset($item['origin']);
2237 unset($item['starred']);
2241 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2242 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2243 if (!DBA::isResult($owner)) {
2247 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2248 $contacts = DBA::select('contact', ['uid'], $condition);
2249 while ($contact = DBA::fetch($contacts)) {
2250 if ($contact['uid'] == 0) {
2254 $users[$contact['uid']] = $contact['uid'];
2256 DBA::close($contacts);
2258 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2259 $contacts = DBA::select('contact', ['uid'], $condition);
2260 while ($contact = DBA::fetch($contacts)) {
2261 if ($contact['uid'] == 0) {
2265 $users[$contact['uid']] = $contact['uid'];
2267 DBA::close($contacts);
2269 if (!empty($owner['alias'])) {
2270 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2271 $contacts = DBA::select('contact', ['uid'], $condition);
2272 while ($contact = DBA::fetch($contacts)) {
2273 if ($contact['uid'] == 0) {
2277 $users[$contact['uid']] = $contact['uid'];
2279 DBA::close($contacts);
2284 if ($item['uri'] != $item['parent-uri']) {
2285 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2286 while ($parent = self::fetch($parents)) {
2287 $users[$parent['uid']] = $parent['uid'];
2288 if ($parent['origin'] && !$origin) {
2289 $origin_uid = $parent['uid'];
2294 foreach ($users as $uid) {
2295 if ($origin_uid == $uid) {
2296 $item['diaspora_signed_text'] = $signed_text;
2298 self::storeForUser($itemid, $item, $uid);
2303 * Store public items for the receivers
2305 * @param integer $itemid Item ID that should be added
2306 * @param array $item The item entry that will be stored
2307 * @param integer $uid The user that will receive the item entry
2308 * @throws \Exception
2310 private static function storeForUser($itemid, $item, $uid)
2312 $item['uid'] = $uid;
2313 $item['origin'] = 0;
2315 if ($item['uri'] == $item['parent-uri']) {
2316 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2318 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2321 if (empty($item['contact-id'])) {
2322 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2323 if (!DBA::isResult($self)) {
2326 $item['contact-id'] = $self['id'];
2329 /// @todo Handling of "event-id"
2332 if ($item['uri'] == $item['parent-uri']) {
2333 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2334 if (DBA::isResult($contact)) {
2335 $notify = self::isRemoteSelf($contact, $item);
2339 $distributed = self::insert($item, false, $notify, true);
2341 if (!$distributed) {
2342 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2344 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2349 * Add a shadow entry for a given item id that is a thread starter
2351 * We store every public item entry additionally with the user id "0".
2352 * This is used for the community page and for the search.
2353 * It is planned that in the future we will store public item entries only once.
2355 * @param integer $itemid Item ID that should be added
2356 * @throws \Exception
2358 public static function addShadow($itemid)
2360 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2361 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2362 $item = self::selectFirst($fields, $condition);
2364 if (!DBA::isResult($item)) {
2368 // is it already a copy?
2369 if (($itemid == 0) || ($item['uid'] == 0)) {
2373 // Is it a visible public post?
2374 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2378 // is it an entry from a connector? Only add an entry for natively connected networks
2379 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2383 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2387 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2389 if (DBA::isResult($item)) {
2390 // Preparing public shadow (removing user specific data)
2393 unset($item['parent']);
2394 unset($item['wall']);
2395 unset($item['mention']);
2396 unset($item['origin']);
2397 unset($item['starred']);
2398 unset($item['postopts']);
2399 unset($item['inform']);
2400 if ($item['uri'] == $item['parent-uri']) {
2401 $item['contact-id'] = $item['owner-id'];
2403 $item['contact-id'] = $item['author-id'];
2406 $public_shadow = self::insert($item, false, false, true);
2408 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2413 * Add a shadow entry for a given item id that is a comment
2415 * This function does the same like the function above - but for comments
2417 * @param integer $itemid Item ID that should be added
2418 * @throws \Exception
2420 public static function addShadowPost($itemid)
2422 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2423 if (!DBA::isResult($item)) {
2427 // Is it a toplevel post?
2428 if ($item['id'] == $item['parent']) {
2429 self::addShadow($itemid);
2433 // Is this a shadow entry?
2434 if ($item['uid'] == 0) {
2438 // Is there a shadow parent?
2439 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2443 // Is there already a shadow entry?
2444 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2448 // Save "origin" and "parent" state
2449 $origin = $item['origin'];
2450 $parent = $item['parent'];
2452 // Preparing public shadow (removing user specific data)
2455 unset($item['parent']);
2456 unset($item['wall']);
2457 unset($item['mention']);
2458 unset($item['origin']);
2459 unset($item['starred']);
2460 unset($item['postopts']);
2461 unset($item['inform']);
2462 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2464 $public_shadow = self::insert($item, false, false, true);
2466 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2468 // If this was a comment to a Diaspora post we don't get our comment back.
2469 // This means that we have to distribute the comment by ourselves.
2470 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2471 self::distribute($public_shadow);
2476 * Adds a language specification in a "language" element of given $arr.
2477 * Expects "body" element to exist in $arr.
2480 * @throws \Text_LanguageDetect_Exception
2482 private static function addLanguageToItemArray(&$item)
2484 $naked_body = BBCode::toPlaintext($item['body'], false);
2486 $ld = new Text_LanguageDetect();
2487 $ld->setNameMode(2);
2488 $languages = $ld->detect($naked_body, 3);
2490 if (is_array($languages)) {
2491 $item['language'] = json_encode($languages);
2496 * Creates an unique guid out of a given uri
2498 * @param string $uri uri of an item entry
2499 * @param string $host hostname for the GUID prefix
2500 * @return string unique guid
2502 public static function guidFromUri($uri, $host)
2504 // Our regular guid routine is using this kind of prefix as well
2505 // We have to avoid that different routines could accidentally create the same value
2506 $parsed = parse_url($uri);
2508 // We use a hash of the hostname as prefix for the guid
2509 $guid_prefix = hash("crc32", $host);
2511 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2512 unset($parsed["scheme"]);
2514 // Glue it together to be able to make a hash from it
2515 $host_id = implode("/", $parsed);
2517 // We could use any hash algorithm since it isn't a security issue
2518 $host_hash = hash("ripemd128", $host_id);
2520 return $guid_prefix.$host_hash;
2524 * generate an unique URI
2526 * @param integer $uid User id
2527 * @param string $guid An existing GUID (Otherwise it will be generated)
2530 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2532 public static function newURI($uid, $guid = "")
2535 $guid = System::createUUID();
2538 return DI::baseUrl()->get() . '/objects/' . $guid;
2542 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2544 * This can be used to filter for inactive contacts.
2545 * Only do this for public postings to avoid privacy problems, since poco data is public.
2546 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2548 * @param array $arr Contains the just posted item record
2549 * @throws \Exception
2551 private static function updateContact($arr)
2553 // Unarchive the author
2554 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2555 if (DBA::isResult($contact)) {
2556 Contact::unmarkForArchival($contact);
2559 // Unarchive the contact if it's not our own contact
2560 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2561 if (DBA::isResult($contact)) {
2562 Contact::unmarkForArchival($contact);
2565 $update = (($arr['private'] != self::PRIVATE) && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2567 // Is it a forum? Then we don't care about the rules from above
2568 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2569 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2575 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2576 ['id' => $arr['contact-id']]);
2578 // Now do the same for the system wide contacts with uid=0
2579 if ($arr['private'] != self::PRIVATE) {
2580 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2581 ['id' => $arr['owner-id']]);
2583 if ($arr['owner-id'] != $arr['author-id']) {
2584 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2585 ['id' => $arr['author-id']]);
2590 public static function setHashtags(&$item)
2592 $tags = BBCode::getTags($item["body"]);
2595 if (!count($tags)) {
2599 // What happens in [code], stays in [code]!
2600 // escape the # and the [
2601 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2602 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2604 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2606 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2607 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2610 // This sorting is important when there are hashtags that are part of other hashtags
2611 // Otherwise there could be problems with hashtags like #test and #test2
2614 $URLSearchString = "^\[\]";
2616 // All hashtags should point to the home server if "local_tags" is activated
2617 if (DI::config()->get('system', 'local_tags')) {
2618 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2619 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2621 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2622 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2625 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2626 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2628 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2631 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2633 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2636 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2638 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2641 // Repair recursive urls
2642 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2643 "#$2", $item["body"]);
2645 foreach ($tags as $tag) {
2646 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2650 $basetag = str_replace('_',' ',substr($tag,1));
2651 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2653 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2655 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2656 if (strlen($item["tag"])) {
2657 $item["tag"] = ',' . $item["tag"];
2659 $item["tag"] = $newtag . $item["tag"];
2663 // Convert back the masked hashtags
2664 $item["body"] = str_replace("#", "#", $item["body"]);
2666 // Remember! What happens in [code], stays in [code]
2667 // roleback the # and [
2668 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2670 // we truly unESCape all sharp and leftsquarebracket
2671 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2672 $replace = ['#', '['];
2673 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2678 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2681 * @param int $item_id
2682 * @return boolean true if item was deleted, else false
2683 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2684 * @throws \ImagickException
2686 private static function tagDeliver($uid, $item_id)
2690 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2691 if (!DBA::isResult($user)) {
2695 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2696 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2698 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2699 if (!DBA::isResult($item)) {
2703 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2706 * Diaspora uses their own hardwired link URL in @-tags
2707 * instead of the one we supply with webfinger
2709 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2711 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2713 foreach ($matches as $mtch) {
2714 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2716 Logger::log('mention found: ' . $mtch[2]);
2722 if (($community_page || $prvgroup) &&
2723 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2724 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2725 DBA::delete('item', ['id' => $item_id]);
2731 $arr = ['item' => $item, 'user' => $user];
2733 Hook::callAll('tagged', $arr);
2735 if (!$community_page && !$prvgroup) {
2740 * tgroup delivery - setup a second delivery chain
2741 * prevent delivery looping - only proceed
2742 * if the message originated elsewhere and is a top-level post
2744 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2748 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2749 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2750 if (!DBA::isResult($self)) {
2754 $owner_id = Contact::getIdForURL($self['url']);
2756 // also reset all the privacy bits to the forum default permissions
2758 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2760 $psid = PermissionSet::getIdFromACL(
2768 $forum_mode = ($prvgroup ? 2 : 1);
2770 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2771 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2772 self::update($fields, ['id' => $item_id]);
2774 self::updateThread($item_id);
2776 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2781 public static function isRemoteSelf($contact, &$datarray)
2783 if (!$contact['remote_self']) {
2787 // Prevent the forwarding of posts that are forwarded
2788 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2789 Logger::log('Already forwarded', Logger::DEBUG);
2793 // Prevent to forward already forwarded posts
2794 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2795 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2799 // Only forward posts
2800 if ($datarray["verb"] != Activity::POST) {
2801 Logger::log('No post', Logger::DEBUG);
2805 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2806 Logger::log('Not public', Logger::DEBUG);
2810 $datarray2 = $datarray;
2811 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2812 if ($contact['remote_self'] == 2) {
2813 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2814 ['uid' => $contact['uid'], 'self' => true]);
2815 if (DBA::isResult($self)) {
2816 $datarray['contact-id'] = $self["id"];
2818 $datarray['owner-name'] = $self["name"];
2819 $datarray['owner-link'] = $self["url"];
2820 $datarray['owner-avatar'] = $self["thumb"];
2822 $datarray['author-name'] = $datarray['owner-name'];
2823 $datarray['author-link'] = $datarray['owner-link'];
2824 $datarray['author-avatar'] = $datarray['owner-avatar'];
2826 unset($datarray['edited']);
2828 unset($datarray['network']);
2829 unset($datarray['owner-id']);
2830 unset($datarray['author-id']);
2833 if ($contact['network'] != Protocol::FEED) {
2834 $datarray["guid"] = System::createUUID();
2835 unset($datarray["plink"]);
2836 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2837 $datarray["parent-uri"] = $datarray["uri"];
2838 $datarray["thr-parent"] = $datarray["uri"];
2839 $datarray["extid"] = Protocol::DFRN;
2840 $urlpart = parse_url($datarray2['author-link']);
2841 $datarray["app"] = $urlpart["host"];
2843 $datarray['private'] = self::PUBLIC;
2847 if ($contact['network'] != Protocol::FEED) {
2848 // Store the original post
2849 $result = self::insert($datarray2, false, false);
2850 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2852 $datarray["app"] = "Feed";
2856 // Trigger automatic reactions for addons
2857 $datarray['api_source'] = true;
2859 // We have to tell the hooks who we are - this really should be improved
2860 $_SESSION["authenticated"] = true;
2861 $_SESSION["uid"] = $contact['uid'];
2870 * @param array $item
2873 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2874 * @throws \ImagickException
2876 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2878 if (DI::config()->get('system', 'disable_embedded')) {
2882 Logger::log('check for photos', Logger::DEBUG);
2883 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2888 $img_start = strpos($orig_body, '[img');
2889 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2890 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2892 while (($img_st_close !== false) && ($img_len !== false)) {
2893 $img_st_close++; // make it point to AFTER the closing bracket
2894 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2896 Logger::log('found photo ' . $image, Logger::DEBUG);
2898 if (stristr($image, $site . '/photo/')) {
2899 // Only embed locally hosted photos
2901 $i = basename($image);
2902 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2903 $x = strpos($i, '-');
2906 $res = substr($i, $x + 1);
2907 $i = substr($i, 0, $x);
2908 $photo = Photo::getPhotoForUser($uid, $i, $res);
2909 if (DBA::isResult($photo)) {
2911 * Check to see if we should replace this photo link with an embedded image
2912 * 1. No need to do so if the photo is public
2913 * 2. If there's a contact-id provided, see if they're in the access list
2914 * for the photo. If so, embed it.
2915 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2916 * permissions, regardless of order but first check to see if they're an exact
2917 * match to save some processing overhead.
2919 if (self::hasPermissions($photo)) {
2921 $recips = self::enumeratePermissions($photo);
2922 if (in_array($cid, $recips)) {
2926 if (self::samePermissions($uid, $item, $photo)) {
2932 $photo_img = Photo::getImageForPhoto($photo);
2933 // If a custom width and height were specified, apply before embedding
2934 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2935 Logger::log('scaling photo', Logger::DEBUG);
2937 $width = intval($match[1]);
2938 $height = intval($match[2]);
2940 $photo_img->scaleDown(max($width, $height));
2943 $data = $photo_img->asString();
2944 $type = $photo_img->getType();
2946 Logger::log('replacing photo', Logger::DEBUG);
2947 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2948 Logger::log('replaced: ' . $image, Logger::DATA);
2954 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2955 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2956 if ($orig_body === false) {
2960 $img_start = strpos($orig_body, '[img');
2961 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2962 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2965 $new_body = $new_body . $orig_body;
2970 private static function hasPermissions($obj)
2972 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2973 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2976 private static function samePermissions($uid, $obj1, $obj2)
2978 // first part is easy. Check that these are exactly the same.
2979 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2980 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2981 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2982 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2986 // This is harder. Parse all the permissions and compare the resulting set.
2987 $recipients1 = self::enumeratePermissions($obj1);
2988 $recipients2 = self::enumeratePermissions($obj2);
2992 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2993 return ($recipients1 == $recipients2);
2997 * Returns an array of contact-ids that are allowed to see this object
2999 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3000 * @param bool $check_dead Prunes unavailable contacts from the result
3002 * @throws \Exception
3004 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3006 $aclFormater = DI::aclFormatter();
3008 $allow_people = $aclFormater->expand($obj['allow_cid']);
3009 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3010 $deny_people = $aclFormater->expand($obj['deny_cid']);
3011 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3012 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3013 $deny = array_unique(array_merge($deny_people, $deny_groups));
3014 $recipients = array_diff($recipients, $deny);
3018 public static function getFeedTags($item)
3022 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3024 for ($x = 0; $x < $cnt; $x ++) {
3025 if ($matches[1][$x]) {
3026 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3031 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3033 for ($x = 0; $x < $cnt; $x ++) {
3034 if ($matches[1][$x]) {
3035 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3042 public static function expire($uid, $days, $network = "", $force = false)
3044 if (!$uid || ($days < 1)) {
3048 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3049 $uid, GRAVITY_PARENT];
3052 * $expire_network_only = save your own wall posts
3053 * and just expire conversations started by others
3055 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3057 if ($expire_network_only) {
3058 $condition[0] .= " AND NOT `wall`";
3061 if ($network != "") {
3062 $condition[0] .= " AND `network` = ?";
3063 $condition[] = $network;
3066 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3067 $condition[] = $days;
3069 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3071 if (!DBA::isResult($items)) {
3075 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3077 // Forcing expiring of items - but not notes and marked items
3079 $expire_items = true;
3082 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3083 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3084 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3088 while ($item = Item::fetch($items)) {
3089 // don't expire filed items
3091 if (strpos($item['file'], '[') !== false) {
3095 // Only expire posts, not photos and photo comments
3097 if (!$expire_photos && strlen($item['resource-id'])) {
3099 } elseif (!$expire_starred && intval($item['starred'])) {
3101 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3103 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3107 self::markForDeletionById($item['id'], PRIORITY_LOW);
3112 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3115 public static function firstPostDate($uid, $wall = false)
3117 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3118 $params = ['order' => ['received' => false]];
3119 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3120 if (DBA::isResult($thread)) {
3121 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3127 * add/remove activity to an item
3129 * Toggle activities as like,dislike,attend of an item
3131 * @param string $item_id
3132 * @param string $verb
3133 * Activity verb. One of
3134 * like, unlike, dislike, undislike, attendyes, unattendyes,
3135 * attendno, unattendno, attendmaybe, unattendmaybe
3137 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3138 * @throws \ImagickException
3139 * @hook 'post_local_end'
3141 * 'post_id' => ID of posted item
3143 public static function performActivity($item_id, $verb)
3145 if (!Session::isAuthenticated()) {
3152 $activity = Activity::LIKE;
3156 $activity = Activity::DISLIKE;
3160 $activity = Activity::ATTEND;
3164 $activity = Activity::ATTENDNO;
3167 case 'unattendmaybe':
3168 $activity = Activity::ATTENDMAYBE;
3172 $activity = Activity::FOLLOW;
3175 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3179 // Enable activity toggling instead of on/off
3180 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3182 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3184 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3185 if (!DBA::isResult($item)) {
3186 Logger::log('like: unknown item ' . $item_id);
3190 $item_uri = $item['uri'];
3192 $uid = $item['uid'];
3193 if (($uid == 0) && local_user()) {
3194 $uid = local_user();
3197 if (!Security::canWriteToUserWall($uid)) {
3198 Logger::log('like: unable to write on wall ' . $uid);
3202 // Retrieves the local post owner
3203 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3204 if (!DBA::isResult($owner_self_contact)) {
3205 Logger::log('like: unknown owner ' . $uid);
3209 // Retrieve the current logged in user's public contact
3210 $author_id = public_contact();
3212 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3213 if (!DBA::isResult($author_contact)) {
3214 Logger::log('like: unknown author ' . $author_id);
3218 // Contact-id is the uid-dependant author contact
3219 if (local_user() == $uid) {
3220 $item_contact_id = $owner_self_contact['id'];
3222 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3223 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3224 if (!DBA::isResult($item_contact)) {
3225 Logger::log('like: unknown item contact ' . $item_contact_id);
3230 // Look for an existing verb row
3231 // event participation are essentially radio toggles. If you make a subsequent choice,
3232 // we need to eradicate your first choice.
3233 if ($event_verb_flag) {
3234 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3236 // Translate to the index based activity index
3238 foreach ($verbs as $verb) {
3239 $activities[] = self::activityToIndex($verb);
3242 $activities = self::activityToIndex($activity);
3245 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3246 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3248 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3250 // If it exists, mark it as deleted
3251 if (DBA::isResult($like_item)) {
3252 self::markForDeletionById($like_item['id']);
3254 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3259 // Verb is "un-something", just trying to delete existing entries
3260 if (strpos($verb, 'un') === 0) {
3264 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3267 'guid' => System::createUUID(),
3268 'uri' => self::newURI($item['uid']),
3269 'uid' => $item['uid'],
3270 'contact-id' => $item_contact_id,
3271 'wall' => $item['wall'],
3273 'network' => Protocol::DFRN,
3274 'gravity' => GRAVITY_ACTIVITY,
3275 'parent' => $item['id'],
3276 'parent-uri' => $item['uri'],
3277 'thr-parent' => $item['uri'],
3278 'owner-id' => $author_id,
3279 'author-id' => $author_id,
3280 'body' => $activity,
3281 'verb' => $activity,
3282 'object-type' => $objtype,
3283 'allow_cid' => $item['allow_cid'],
3284 'allow_gid' => $item['allow_gid'],
3285 'deny_cid' => $item['deny_cid'],
3286 'deny_gid' => $item['deny_gid'],
3291 $signed = Diaspora::createLikeSignature($uid, $new_item);
3292 if (!empty($signed)) {
3293 $new_item['diaspora_signed_text'] = json_encode($signed);
3296 $new_item_id = self::insert($new_item);
3298 // If the parent item isn't visible then set it to visible
3299 if (!$item['visible']) {
3300 self::update(['visible' => true], ['id' => $item['id']]);
3303 $new_item['id'] = $new_item_id;
3305 Hook::callAll('post_local_end', $new_item);
3310 private static function addThread($itemid, $onlyshadow = false)
3312 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3313 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3314 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3315 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3316 $item = self::selectFirst($fields, $condition);
3318 if (!DBA::isResult($item)) {
3322 $item['iid'] = $itemid;
3325 $result = DBA::insert('thread', $item);
3327 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3331 private static function updateThread($itemid, $setmention = false)
3333 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3334 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3335 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3336 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3338 $item = self::selectFirst($fields, $condition);
3339 if (!DBA::isResult($item)) {
3344 $item["mention"] = 1;
3349 foreach ($item as $field => $data) {
3350 if (!in_array($field, ["guid"])) {
3351 $fields[$field] = $data;
3355 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3357 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3360 private static function deleteThread($itemid, $itemuri = "")
3362 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3363 if (!DBA::isResult($item)) {
3364 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3368 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3370 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3372 if ($itemuri != "") {
3373 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3374 if (!self::exists($condition)) {
3375 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3376 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3381 public static function getPermissionsSQLByUserId($owner_id)
3383 $local_user = local_user();
3384 $remote_user = Session::getRemoteContactID($owner_id);
3387 * Construct permissions
3389 * default permissions - anonymous user
3391 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3393 // Profile owner - everything is visible
3394 if ($local_user && ($local_user == $owner_id)) {
3396 } elseif ($remote_user) {
3398 * Authenticated visitor. Unless pre-verified,
3399 * check that the contact belongs to this $owner_id
3400 * and load the groups the visitor belongs to.
3401 * If pre-verified, the caller is expected to have already
3402 * done this and passed the groups into this function.
3404 $set = PermissionSet::get($owner_id, $remote_user);
3407 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3412 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3419 * get translated item type
3424 public static function postType($item)
3426 if (!empty($item['event-id'])) {
3427 return DI::l10n()->t('event');
3428 } elseif (!empty($item['resource-id'])) {
3429 return DI::l10n()->t('photo');
3430 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3431 return DI::l10n()->t('activity');
3432 } elseif ($item['id'] != $item['parent']) {
3433 return DI::l10n()->t('comment');
3436 return DI::l10n()->t('post');
3440 * Sets the "rendered-html" field of the provided item
3442 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3444 * @param array $item
3445 * @param bool $update
3447 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3448 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3450 public static function putInCache(&$item, $update = false)
3452 $body = $item["body"];
3454 $rendered_hash = $item['rendered-hash'] ?? '';
3455 $rendered_html = $item['rendered-html'] ?? '';
3457 if ($rendered_hash == ''
3458 || $rendered_html == ""
3459 || $rendered_hash != hash("md5", $item["body"])
3460 || DI::config()->get("system", "ignore_cache")
3462 self::addRedirToImageTags($item);
3464 $item["rendered-html"] = BBCode::convert($item["body"]);
3465 $item["rendered-hash"] = hash("md5", $item["body"]);
3467 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3468 Hook::callAll('put_item_in_cache', $hook_data);
3469 $item['rendered-html'] = $hook_data['rendered-html'];
3470 $item['rendered-hash'] = $hook_data['rendered-hash'];
3473 // Force an update if the generated values differ from the existing ones
3474 if ($rendered_hash != $item["rendered-hash"]) {
3478 // Only compare the HTML when we forcefully ignore the cache
3479 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3483 if ($update && !empty($item["id"])) {
3486 'rendered-html' => $item["rendered-html"],
3487 'rendered-hash' => $item["rendered-hash"]
3489 ['id' => $item["id"]]
3494 $item["body"] = $body;
3498 * Find any non-embedded images in private items and add redir links to them
3500 * @param array &$item The field array of an item row
3502 private static function addRedirToImageTags(array &$item)
3507 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3509 foreach ($matches as $mtch) {
3510 if (strpos($mtch[1], '/redir') !== false) {
3514 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3515 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3516 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3523 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3524 * If attach is true, also add icons for item attachments.
3526 * @param array $item
3527 * @param boolean $attach
3528 * @param boolean $is_preview
3529 * @return string item body html
3530 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3531 * @throws \ImagickException
3532 * @hook prepare_body_init item array before any work
3533 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3534 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3535 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3537 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3540 Hook::callAll('prepare_body_init', $item);
3542 // In order to provide theme developers more possibilities, event items
3543 // are treated differently.
3544 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3545 $ev = Event::getItemHTML($item);
3549 $tags = Term::populateTagsFromItem($item);
3551 $item['tags'] = $tags['tags'];
3552 $item['hashtags'] = $tags['hashtags'];
3553 $item['mentions'] = $tags['mentions'];
3555 // Compile eventual content filter reasons
3556 $filter_reasons = [];
3557 if (!$is_preview && public_contact() != $item['author-id']) {
3558 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3559 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3564 'filter_reasons' => $filter_reasons
3566 Hook::callAll('prepare_body_content_filter', $hook_data);
3567 $filter_reasons = $hook_data['filter_reasons'];
3571 // Update the cached values if there is no "zrl=..." on the links.
3572 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3574 // Or update it if the current viewer is the intented viewer.
3575 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3579 self::putInCache($item, $update);
3580 $s = $item["rendered-html"];
3585 'preview' => $is_preview,
3586 'filter_reasons' => $filter_reasons
3588 Hook::callAll('prepare_body', $hook_data);
3589 $s = $hook_data['html'];
3593 // Replace the blockquotes with quotes that are used in mails.
3594 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3595 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3602 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3603 foreach ($matches as $mtch) {
3606 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3608 if (strpos($mime, 'video') !== false) {
3611 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3614 $url_parts = explode('/', $the_url);
3615 $id = end($url_parts);
3616 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3619 'title' => DI::l10n()->t('View Video'),
3626 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3628 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3629 $filesubtype = str_replace('.', '-', $filesubtype);
3632 $filesubtype = 'unkn';
3635 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3636 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3638 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3639 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3643 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3647 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3648 $x = Map::byCoordinates(trim($item['coord']));
3650 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3654 // Replace friendica image url size with theme preference.
3655 if (!empty($a->theme_info['item_image_size'])) {
3656 $ps = $a->theme_info['item_image_size'];
3657 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3660 $s = HTML::applyContentFilter($s, $filter_reasons);
3662 $hook_data = ['item' => $item, 'html' => $s];
3663 Hook::callAll('prepare_body_final', $hook_data);
3665 return $hook_data['html'];
3669 * get private link for item
3671 * @param array $item
3672 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3673 * @throws \Exception
3675 public static function getPlink($item)
3679 if ($a->user['nickname'] != "") {
3681 'href' => "display/" . $item['guid'],
3682 'orig' => "display/" . $item['guid'],
3683 'title' => DI::l10n()->t('View on separate page'),
3684 'orig_title' => DI::l10n()->t('view on separate page'),
3687 if (!empty($item['plink'])) {
3688 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3689 $ret["title"] = DI::l10n()->t('link to source');
3692 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3694 'href' => $item['plink'],
3695 'orig' => $item['plink'],
3696 'title' => DI::l10n()->t('link to source'),
3706 * Is the given item array a post that is sent as starting post to a forum?
3708 * @param array $item
3709 * @param array $owner
3711 * @return boolean "true" when it is a forum post
3713 public static function isForumPost(array $item, array $owner = [])
3715 if (empty($owner)) {
3716 $owner = User::getOwnerDataById($item['uid']);
3717 if (empty($owner)) {
3722 if (($item['author-id'] == $item['owner-id']) ||
3723 ($owner['id'] == $item['contact-id']) ||
3724 ($item['uri'] != $item['parent-uri']) ||
3729 return Contact::isForum($item['contact-id']);
3733 * Search item id for given URI or plink
3735 * @param string $uri
3736 * @param integer $uid
3738 * @return integer item id
3740 public static function searchByLink($uri, $uid = 0)
3742 $ssl_uri = str_replace('http://', 'https://', $uri);
3743 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3745 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3746 if (DBA::isResult($item)) {
3750 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3751 if (!DBA::isResult($itemcontent)) {
3755 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3756 if (!DBA::isResult($itemuri)) {
3760 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3761 if (DBA::isResult($item)) {
3769 * Return the URI for a link to the post
3771 * @param string $uri URI or link to post
3773 * @return string URI
3775 public static function getURIByLink(string $uri)
3777 $ssl_uri = str_replace('http://', 'https://', $uri);
3778 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3780 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3781 if (DBA::isResult($item)) {
3782 return $item['uri'];
3785 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3786 if (!DBA::isResult($itemcontent)) {
3790 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3791 if (DBA::isResult($itemuri)) {
3792 return $itemuri['uri'];
3799 * Fetches item for given URI or plink
3801 * @param string $uri
3802 * @param integer $uid
3804 * @return integer item id
3806 public static function fetchByLink($uri, $uid = 0)
3808 $item_id = self::searchByLink($uri, $uid);
3809 if (!empty($item_id)) {
3813 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3814 $item_id = self::searchByLink($fetched_uri, $uid);
3816 $item_id = Diaspora::fetchByURL($uri);
3819 if (!empty($item_id)) {
3827 * Return share data from an item array (if the item is shared item)
3828 * We are providing the complete Item array, because at some time in the future
3829 * we hopefully will define these values not in the body anymore but in some item fields.
3830 * This function is meant to replace all similar functions in the system.
3832 * @param array $item
3834 * @return array with share information
3836 public static function getShareArray($item)
3838 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3842 $attribute_string = $matches[2];
3843 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3844 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3845 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3846 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3853 * Fetch item information for shared items from the original items and adds it.
3855 * @param array $item
3857 * @return array item array with data from the original item
3859 public static function addShareDataFromOriginal($item)
3861 $shared = self::getShareArray($item);
3862 if (empty($shared)) {
3866 // Real reshares always have got a GUID.
3867 if (empty($shared['guid'])) {
3871 $uid = $item['uid'] ?? 0;
3873 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3874 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3875 if (!DBA::isResult($shared_item)) {
3876 if (empty($shared['link'])) {
3880 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3881 $id = self::fetchByLink($shared['link'], $uid);
3883 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3887 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3888 if (!DBA::isResult($shared_item)) {
3891 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3893 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3896 if (!empty($shared_item['title'])) {
3897 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3898 unset($shared_item['title']);
3900 $body = $shared_item['body'];
3903 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3904 unset($shared_item['body']);
3906 return array_merge($item, $shared_item);