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('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
346 $row['signed_text'] = $row['interaction'];
349 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
350 $row['ignored'] = $row['internal-user-ignored'];
353 // Remove internal fields
354 unset($row['internal-activity']);
355 unset($row['internal-network']);
356 unset($row['internal-iid']);
357 unset($row['internal-psid']);
358 unset($row['internal-iaid']);
359 unset($row['internal-user-ignored']);
360 unset($row['interaction']);
366 * Fills an array with data from an item query
368 * @param object $stmt statement object
369 * @param bool $do_close
370 * @return array Data array
372 public static function inArray($stmt, $do_close = true) {
373 if (is_bool($stmt)) {
378 while ($row = self::fetch($stmt)) {
388 * Check if item data exists
390 * @param array $condition array of fields for condition
392 * @return boolean Are there rows for that condition?
395 public static function exists($condition) {
396 $stmt = self::select(['id'], $condition, ['limit' => 1]);
398 if (is_bool($stmt)) {
401 $retval = (DBA::numRows($stmt) > 0);
410 * Retrieve a single record from the item table for a given user and returns it in an associative array
412 * @param integer $uid User ID
413 * @param array $selected
414 * @param array $condition
415 * @param array $params
420 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
422 $params['uid'] = $uid;
424 if (empty($selected)) {
425 $selected = Item::DISPLAY_FIELDLIST;
428 return self::selectFirst($selected, $condition, $params);
432 * Select rows from the item table for a given user
434 * @param integer $uid User ID
435 * @param array $selected Array of selected fields, empty for all
436 * @param array $condition Array of fields for condition
437 * @param array $params Array of several parameters
439 * @return boolean|object
442 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
444 $params['uid'] = $uid;
446 if (empty($selected)) {
447 $selected = Item::DISPLAY_FIELDLIST;
450 return self::select($selected, $condition, $params);
454 * Retrieve a single record from the item table and returns it in an associative array
456 * @param array $fields
457 * @param array $condition
458 * @param array $params
463 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
465 $params['limit'] = 1;
467 $result = self::select($fields, $condition, $params);
469 if (is_bool($result)) {
472 $row = self::fetch($result);
479 * Select rows from the item table and returns them as an array
481 * @param array $selected Array of selected fields, empty for all
482 * @param array $condition Array of fields for condition
483 * @param array $params Array of several parameters
488 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
490 $result = self::select($fields, $condition, $params);
492 if (is_bool($result)) {
497 while ($row = self::fetch($result)) {
506 * Select rows from the item table
508 * @param array $selected Array of selected fields, empty for all
509 * @param array $condition Array of fields for condition
510 * @param array $params Array of several parameters
512 * @return boolean|object
515 public static function select(array $selected = [], array $condition = [], $params = [])
520 if (isset($params['uid'])) {
521 $uid = $params['uid'];
525 $fields = self::fieldlist($usermode);
527 $select_fields = self::constructSelectFields($fields, $selected);
529 $condition_string = DBA::buildCondition($condition);
531 $condition_string = self::addTablesToFields($condition_string, $fields);
534 $condition_string = $condition_string . ' AND ' . self::condition(false);
537 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
539 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
541 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
543 return DBA::p($sql, $condition);
547 * Select rows from the starting post in the item table
549 * @param integer $uid User ID
550 * @param array $selected
551 * @param array $condition Array of fields for condition
552 * @param array $params Array of several parameters
554 * @return boolean|object
557 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
559 $params['uid'] = $uid;
561 if (empty($selected)) {
562 $selected = Item::DISPLAY_FIELDLIST;
565 return self::selectThread($selected, $condition, $params);
569 * Retrieve a single record from the starting post in the item table and returns it in an associative array
571 * @param integer $uid User ID
572 * @param array $selected
573 * @param array $condition
574 * @param array $params
579 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
581 $params['uid'] = $uid;
583 if (empty($selected)) {
584 $selected = Item::DISPLAY_FIELDLIST;
587 return self::selectFirstThread($selected, $condition, $params);
591 * Retrieve a single record from the starting post in the item table and returns it in an associative array
593 * @param array $fields
594 * @param array $condition
595 * @param array $params
600 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
602 $params['limit'] = 1;
603 $result = self::selectThread($fields, $condition, $params);
605 if (is_bool($result)) {
608 $row = self::fetch($result);
615 * Select rows from the starting post in the item table
617 * @param array $selected Array of selected fields, empty for all
618 * @param array $condition Array of fields for condition
619 * @param array $params Array of several parameters
621 * @return boolean|object
624 public static function selectThread(array $selected = [], array $condition = [], $params = [])
629 if (isset($params['uid'])) {
630 $uid = $params['uid'];
634 $fields = self::fieldlist($usermode);
636 $fields['thread'] = ['mention', 'ignored', 'iid'];
638 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
639 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
640 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
641 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
643 $select_fields = self::constructSelectFields($fields, $selected);
645 $condition_string = DBA::buildCondition($condition);
647 $condition_string = self::addTablesToFields($condition_string, $threadfields);
648 $condition_string = self::addTablesToFields($condition_string, $fields);
651 $condition_string = $condition_string . ' AND ' . self::condition(true);
654 $param_string = DBA::buildParameter($params);
655 $param_string = self::addTablesToFields($param_string, $threadfields);
656 $param_string = self::addTablesToFields($param_string, $fields);
658 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
660 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
662 return DBA::p($sql, $condition);
666 * Returns a list of fields that are associated with the item table
669 * @return array field list
671 private static function fieldlist($usermode)
675 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
676 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
677 'created', 'edited', 'commented', 'received', 'changed', 'psid',
678 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
679 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
680 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
681 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
682 'network' => 'internal-network', 'iaid' => 'internal-iaid', 'psid' => 'internal-psid'];
685 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
688 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
690 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
692 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
694 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
696 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
697 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
699 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
700 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
702 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
703 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
704 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
706 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
708 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
710 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
711 'start' => 'event-start','finish' => 'event-finish',
712 'summary' => 'event-summary','desc' => 'event-desc',
713 'location' => 'event-location', 'type' => 'event-type',
714 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
715 'ignore' => 'event-ignore', 'id' => 'event-id'];
717 $fields['sign'] = ['signed_text', 'signature', 'signer'];
719 $fields['diaspora-interaction'] = ['interaction'];
725 * Returns SQL condition for the "select" functions
727 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
729 * @return string SQL condition
731 private static function condition($thread_mode)
734 $master_table = "`thread`";
736 $master_table = "`item`";
738 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
739 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
740 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
741 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
742 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
743 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
744 GRAVITY_PARENT, GRAVITY_PARENT);
748 * Returns all needed "JOIN" commands for the "select" functions
750 * @param integer $uid User ID
751 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
752 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
755 * @return string The SQL joins for the "select" functions
757 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
760 $master_table = "`thread`";
761 $master_table_key = "`thread`.`iid`";
762 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
764 $master_table = "`item`";
765 $master_table_key = "`item`.`id`";
770 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
771 AND NOT `contact`.`blocked`
772 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
773 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
774 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
775 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
776 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
777 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
778 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
779 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
781 if (strpos($sql_commands, "`contact`.") !== false) {
782 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
784 if (strpos($sql_commands, "`author`.") !== false) {
785 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
787 if (strpos($sql_commands, "`owner`.") !== false) {
788 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
792 if (strpos($sql_commands, "`group_member`.") !== false) {
793 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
796 if (strpos($sql_commands, "`user`.") !== false) {
797 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
800 if (strpos($sql_commands, "`event`.") !== false) {
801 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
804 if (strpos($sql_commands, "`sign`.") !== false) {
805 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
808 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
809 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
812 if (strpos($sql_commands, "`item-activity`.") !== false) {
813 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
816 if (strpos($sql_commands, "`item-content`.") !== false) {
817 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
820 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
821 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
824 if (strpos($sql_commands, "`permissionset`.") !== false) {
825 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
828 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
829 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
832 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
833 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
840 * Add the field list for the "select" functions
842 * @param array $fields The field definition array
843 * @param array $selected The array with the selected fields from the "select" functions
845 * @return string The field list
847 private static function constructSelectFields(array $fields, array $selected)
849 if (!empty($selected)) {
850 $selected = array_merge($selected, ['internal-iid', 'internal-psid', 'internal-iaid', 'internal-network']);
853 if (in_array('verb', $selected)) {
854 $selected[] = 'internal-activity';
857 if (in_array('ignored', $selected)) {
858 $selected[] = 'internal-user-ignored';
861 if (in_array('signed_text', $selected)) {
862 $selected[] = 'interaction';
865 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
868 foreach ($fields as $table => $table_fields) {
869 foreach ($table_fields as $field => $select) {
870 if (empty($selected) || in_array($select, $selected)) {
871 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
872 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
874 if (is_int($field)) {
875 $selection[] = "`" . $table . "`.`" . $select . "`";
877 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
882 return implode(", ", $selection);
886 * add table definition to fields in an SQL query
888 * @param string $query SQL query
889 * @param array $fields The field definition array
891 * @return string the changed SQL query
893 private static function addTablesToFields($query, $fields)
895 foreach ($fields as $table => $table_fields) {
896 foreach ($table_fields as $alias => $field) {
897 if (is_int($alias)) {
898 $replace_field = $field;
900 $replace_field = $alias;
903 $search = "/([^\.])`" . $field . "`/i";
904 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
905 $query = preg_replace($search, $replace, $query);
912 * Update existing item entries
914 * @param array $fields The fields that are to be changed
915 * @param array $condition The condition for finding the item entries
917 * In the future we may have to change permissions as well.
918 * Then we had to add the user id as third parameter.
920 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
922 * @return integer|boolean number of affected rows - or "false" if there was an error
923 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
925 public static function update(array $fields, array $condition)
927 if (empty($condition) || empty($fields)) {
931 // To ensure the data integrity we do it in an transaction
934 // We cannot simply expand the condition to check for origin entries
935 // The condition needn't to be a simple array but could be a complex condition.
936 // And we have to execute this query before the update to ensure to fetch the same data.
937 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
939 $content_fields = [];
940 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
941 if (isset($fields[$field])) {
942 $content_fields[$field] = $fields[$field];
943 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
944 unset($fields[$field]);
946 $fields[$field] = null;
951 $delivery_data = ItemDeliveryData::extractFields($fields);
953 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
954 foreach ($clear_fields as $field) {
955 if (array_key_exists($field, $fields)) {
956 $fields[$field] = null;
960 if (array_key_exists('tag', $fields)) {
961 $tags = $fields['tag'];
962 $fields['tag'] = null;
967 if (array_key_exists('file', $fields)) {
968 $files = $fields['file'];
969 $fields['file'] = null;
974 if (!empty($fields)) {
975 $success = DBA::update('item', $fields, $condition);
984 // When there is no content for the "old" item table, this will count the fetched items
985 $rows = DBA::affectedRows();
989 while ($item = DBA::fetch($items)) {
990 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
991 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
993 if (empty($item['iaid'])) {
994 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
995 if (DBA::isResult($item_activity)) {
996 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
997 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
998 if (self::isLegacyMode()) {
999 $item_fields[$field] = null;
1001 unset($item_fields[$field]);
1004 DBA::update('item', $item_fields, ['id' => $item['id']]);
1006 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
1007 DBA::delete('item-content', ['id' => $item['icid']]);
1010 } elseif (!empty($item['icid'])) {
1011 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
1013 if (!DBA::exists('item', ['icid' => $item['icid']])) {
1014 DBA::delete('item-content', ['id' => $item['icid']]);
1018 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
1020 if (empty($item['icid'])) {
1021 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1022 if (DBA::isResult($item_content)) {
1023 $item_fields = ['icid' => $item_content['id']];
1024 // Clear all fields in the item table that have a content in the item-content table
1025 foreach ($item_content as $field => $content) {
1026 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1027 if (self::isLegacyMode()) {
1028 $item_fields[$field] = null;
1030 unset($item_fields[$field]);
1034 DBA::update('item', $item_fields, ['id' => $item['id']]);
1039 if (!is_null($tags)) {
1040 Term::insertFromTagFieldByItemId($item['id'], $tags);
1041 if (!empty($item['tag'])) {
1042 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1046 if (!is_null($files)) {
1047 Term::insertFromFileFieldByItemId($item['id'], $files);
1048 if (!empty($item['file'])) {
1049 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1053 ItemDeliveryData::update($item['id'], $delivery_data);
1055 self::updateThread($item['id']);
1057 // We only need to notfiy others when it is an original entry from us.
1058 // Only call the notifier when the item has some content relevant change.
1059 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1060 $notify_items[] = $item['id'];
1067 foreach ($notify_items as $notify_item) {
1068 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1075 * Delete an item and notify others about it - if it was ours
1077 * @param array $condition The condition for finding the item entries
1078 * @param integer $priority Priority for the notification
1079 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1081 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1083 $items = self::select(['id'], $condition);
1084 while ($item = self::fetch($items)) {
1085 self::markForDeletionById($item['id'], $priority);
1091 * Delete an item for an user and notify others about it - if it was ours
1093 * @param array $condition The condition for finding the item entries
1094 * @param integer $uid User who wants to delete this item
1095 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1097 public static function deleteForUser($condition, $uid)
1103 $items = self::select(['id', 'uid'], $condition);
1104 while ($item = self::fetch($items)) {
1105 // "Deleting" global items just means hiding them
1106 if ($item['uid'] == 0) {
1107 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1109 // Delete notifications
1110 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1111 } elseif ($item['uid'] == $uid) {
1112 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1114 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1121 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1123 * @param integer $item_id
1124 * @param integer $priority Priority for the notification
1126 * @return boolean success
1127 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1129 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1131 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1132 // locate item to be deleted
1133 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1134 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1135 'verb', 'object-type', 'object', 'target', 'contact-id',
1136 'icid', 'iaid', 'psid'];
1137 $item = self::selectFirst($fields, ['id' => $item_id]);
1138 if (!DBA::isResult($item)) {
1139 Logger::info('Item not found.', ['id' => $item_id]);
1143 if ($item['deleted']) {
1144 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1148 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1149 if (!DBA::isResult($parent)) {
1150 $parent = ['origin' => false];
1153 // clean up categories and tags so they don't end up as orphans
1156 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1159 foreach ($matches as $mtch) {
1160 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1166 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1169 foreach ($matches as $mtch) {
1170 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1175 * If item is a link to a photo resource, nuke all the associated photos
1176 * (visitors will not have photo resources)
1177 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1178 * generate a resource-id and therefore aren't intimately linked to the item.
1180 /// @TODO: this should first check if photo is used elsewhere
1181 if (strlen($item['resource-id'])) {
1182 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1185 // If item is a link to an event, delete the event.
1186 if (intval($item['event-id'])) {
1187 Event::delete($item['event-id']);
1190 // If item has attachments, drop them
1191 /// @TODO: this should first check if attachment is used elsewhere
1192 foreach (explode(",", $item['attach']) as $attach) {
1193 preg_match("|attach/(\d+)|", $attach, $matches);
1194 if (is_array($matches) && count($matches) > 1) {
1195 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1199 // Delete tags that had been attached to other items
1200 self::deleteTagsFromItem($item);
1202 // Delete notifications
1203 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1205 // Set the item to "deleted"
1206 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1207 DBA::update('item', $item_fields, ['id' => $item['id']]);
1209 Term::insertFromTagFieldByItemId($item['id'], '');
1210 Term::insertFromFileFieldByItemId($item['id'], '');
1211 self::deleteThread($item['id'], $item['parent-uri']);
1213 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1214 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1217 ItemDeliveryData::delete($item['id']);
1219 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1221 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1222 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1224 // When the permission set will be used in photo and events as well,
1225 // this query here needs to be extended.
1226 // @todo Currently deactivated. We need the permission set in the deletion process.
1227 // This is a reminder to add the removal somewhere else.
1228 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1229 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1232 // If it's the parent of a comment thread, kill all the kids
1233 if ($item['id'] == $item['parent']) {
1234 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1237 // Is it our comment and/or our thread?
1238 if ($item['origin'] || $parent['origin']) {
1239 // When we delete the original post we will delete all existing copies on the server as well
1240 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1242 // send the notification upstream/downstream
1243 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1244 } elseif ($item['uid'] != 0) {
1246 // When we delete just our local user copy of an item, we have to set a marker to hide it
1247 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1248 if (DBA::isResult($global_item)) {
1249 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1253 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1258 private static function deleteTagsFromItem($item)
1260 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1264 $xo = XML::parseString($item["object"], false);
1265 $xt = XML::parseString($item["target"], false);
1267 if ($xt->type != Activity\ObjectType::NOTE) {
1271 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1272 if (!DBA::isResult($i)) {
1276 // For tags, the owner cannot remove the tag on the author's copy of the post.
1277 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1278 $author_copy = $item["origin"];
1280 if (($owner_remove && $author_copy) || !$owner_remove) {
1284 $tags = explode(',', $i["tag"]);
1287 foreach ($tags as $tag) {
1288 if (trim($tag) !== trim($xo->body)) {
1289 $newtags[] = trim($tag);
1293 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1296 private static function guid($item, $notify)
1298 if (!empty($item['guid'])) {
1299 return Strings::escapeTags(trim($item['guid']));
1303 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1304 // We add the hash of our own host because our host is the original creator of the post.
1305 $prefix_host = DI::baseUrl()->getHostname();
1309 // We are only storing the post so we create a GUID from the original hostname.
1310 if (!empty($item['author-link'])) {
1311 $parsed = parse_url($item['author-link']);
1312 if (!empty($parsed['host'])) {
1313 $prefix_host = $parsed['host'];
1317 if (empty($prefix_host) && !empty($item['plink'])) {
1318 $parsed = parse_url($item['plink']);
1319 if (!empty($parsed['host'])) {
1320 $prefix_host = $parsed['host'];
1324 if (empty($prefix_host) && !empty($item['uri'])) {
1325 $parsed = parse_url($item['uri']);
1326 if (!empty($parsed['host'])) {
1327 $prefix_host = $parsed['host'];
1331 // Is it in the format data@host.tld? - Used for mail contacts
1332 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1333 $mailparts = explode('@', $item['author-link']);
1334 $prefix_host = array_pop($mailparts);
1338 if (!empty($item['plink'])) {
1339 $guid = self::guidFromUri($item['plink'], $prefix_host);
1340 } elseif (!empty($item['uri'])) {
1341 $guid = self::guidFromUri($item['uri'], $prefix_host);
1343 $guid = System::createUUID(hash('crc32', $prefix_host));
1349 private static function contactId($item)
1351 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1352 return $item['contact-id'];
1353 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1354 return $item['contact-id'];
1355 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1356 return $item['author-id'];
1357 } elseif (!empty($item['contact-id'])) {
1358 return $item['contact-id'];
1360 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1361 if (!empty($contact_id)) {
1365 return $item['author-id'];
1368 // This function will finally cover most of the preparation functionality in mod/item.php
1369 public static function prepare(&$item)
1372 * @TODO: Unused code triggering inspection errors
1374 $data = BBCode::getAttachmentData($item['body']);
1375 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1376 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1377 $posttype = Item::PT_PAGE;
1378 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1384 * Write an item array into a spool file to be inserted later.
1385 * This command is called whenever there are issues storing an item.
1387 * @param array $item The item fields that are to be inserted
1388 * @throws \Exception
1390 private static function spool($orig_item)
1392 // Now we store the data in the spool directory
1393 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1394 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1396 $spoolpath = get_spoolpath();
1397 if ($spoolpath != "") {
1398 $spool = $spoolpath . '/' . $file;
1400 file_put_contents($spool, json_encode($orig_item));
1401 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1405 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1409 $priority = PRIORITY_HIGH;
1411 // If it is a posting where users should get notifications, then define it as wall posting
1414 $item['origin'] = 1;
1415 $item['network'] = Protocol::DFRN;
1416 $item['protocol'] = Conversation::PARCEL_DFRN;
1418 if (is_int($notify)) {
1419 $priority = $notify;
1422 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1425 $item['guid'] = self::guid($item, $notify);
1426 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1429 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1431 // Store conversation data
1432 $item = Conversation::insert($item);
1435 * If a Diaspora signature structure was passed in, pull it out of the
1436 * item array and set it aside for later storage.
1440 if (isset($item['dsprsig'])) {
1441 $encoded_signature = $item['dsprsig'];
1442 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1443 unset($item['dsprsig']);
1446 $diaspora_signed_text = '';
1447 if (isset($item['diaspora_signed_text'])) {
1448 $diaspora_signed_text = $item['diaspora_signed_text'];
1449 unset($item['diaspora_signed_text']);
1452 // Converting the plink
1453 /// @TODO Check if this is really still needed
1454 if ($item['network'] == Protocol::OSTATUS) {
1455 if (isset($item['plink'])) {
1456 $item['plink'] = OStatus::convertHref($item['plink']);
1457 } elseif (isset($item['uri'])) {
1458 $item['plink'] = OStatus::convertHref($item['uri']);
1462 if (!empty($item['thr-parent'])) {
1463 $item['parent-uri'] = $item['thr-parent'];
1466 $activity = DI::activity();
1468 if (isset($item['gravity'])) {
1469 $item['gravity'] = intval($item['gravity']);
1470 } elseif ($item['parent-uri'] === $item['uri']) {
1471 $item['gravity'] = GRAVITY_PARENT;
1472 } elseif ($activity->match($item['verb'], Activity::POST)) {
1473 $item['gravity'] = GRAVITY_COMMENT;
1474 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1475 $item['gravity'] = GRAVITY_ACTIVITY;
1477 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1478 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1481 $uid = intval($item['uid']);
1483 // check for create date and expire time
1484 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1486 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1487 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1488 $expire_interval = $user['expire'];
1491 if (($expire_interval > 0) && !empty($item['created'])) {
1492 $expire_date = time() - ($expire_interval * 86400);
1493 $created_date = strtotime($item['created']);
1494 if ($created_date < $expire_date) {
1495 Logger::notice('Item created before expiration interval.', [
1496 'created' => date('c', $created_date),
1497 'expired' => date('c', $expire_date),
1505 * Do we already have this item?
1506 * We have to check several networks since Friendica posts could be repeated
1507 * via OStatus (maybe Diasporsa as well)
1509 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1510 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1511 trim($item['uri']), $item['uid'],
1512 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1513 $existing = self::selectFirst(['id', 'network'], $condition);
1514 if (DBA::isResult($existing)) {
1515 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1517 Logger::notice('Item already existed for user', [
1518 'uri' => $item['uri'],
1520 'network' => $item['network'],
1521 'existing_id' => $existing["id"],
1522 'existing_network' => $existing["network"]
1526 return $existing["id"];
1530 $item['wall'] = intval($item['wall'] ?? 0);
1531 $item['extid'] = trim($item['extid'] ?? '');
1532 $item['author-name'] = trim($item['author-name'] ?? '');
1533 $item['author-link'] = trim($item['author-link'] ?? '');
1534 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1535 $item['owner-name'] = trim($item['owner-name'] ?? '');
1536 $item['owner-link'] = trim($item['owner-link'] ?? '');
1537 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1538 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1539 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1540 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1541 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1542 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1543 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1544 $item['location'] = trim($item['location'] ?? '');
1545 $item['coord'] = trim($item['coord'] ?? '');
1546 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1547 $item['deleted'] = 0;
1548 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1549 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1550 $item['verb'] = trim($item['verb'] ?? '');
1551 $item['object-type'] = trim($item['object-type'] ?? '');
1552 $item['object'] = trim($item['object'] ?? '');
1553 $item['target-type'] = trim($item['target-type'] ?? '');
1554 $item['target'] = trim($item['target'] ?? '');
1555 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1556 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1557 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1558 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1559 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1560 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1561 $item['body'] = trim($item['body'] ?? '');
1562 $item['tag'] = trim($item['tag'] ?? '');
1563 $item['attach'] = trim($item['attach'] ?? '');
1564 $item['app'] = trim($item['app'] ?? '');
1565 $item['origin'] = intval($item['origin'] ?? 0);
1566 $item['postopts'] = trim($item['postopts'] ?? '');
1567 $item['resource-id'] = trim($item['resource-id'] ?? '');
1568 $item['event-id'] = intval($item['event-id'] ?? 0);
1569 $item['inform'] = trim($item['inform'] ?? '');
1570 $item['file'] = trim($item['file'] ?? '');
1572 // When there is no content then we don't post it
1573 if ($item['body'].$item['title'] == '') {
1574 Logger::notice('No body, no title.');
1578 self::addLanguageToItemArray($item);
1580 // Items cannot be stored before they happen ...
1581 if ($item['created'] > DateTimeFormat::utcNow()) {
1582 $item['created'] = DateTimeFormat::utcNow();
1585 // We haven't invented time travel by now.
1586 if ($item['edited'] > DateTimeFormat::utcNow()) {
1587 $item['edited'] = DateTimeFormat::utcNow();
1590 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1592 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1593 'photo' => $item['author-avatar'], 'network' => $item['network']];
1595 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1597 if (Contact::isBlocked($item['author-id'])) {
1598 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1602 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1603 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1607 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1608 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1612 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1613 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1615 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1617 if (Contact::isBlocked($item['owner-id'])) {
1618 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1622 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1623 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1627 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1628 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1632 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1633 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1634 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1638 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1639 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1643 // We don't store the causer, we only have it here for the checks above
1644 unset($item['causer-id']);
1645 unset($item['causer-link']);
1647 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1648 $item["contact-id"] = self::contactId($item);
1650 if ($item['network'] == Protocol::PHANTOM) {
1651 $item['network'] = Protocol::DFRN;
1652 Logger::notice('Missing network, setting to {network}.', [
1653 'uri' => $item["uri"],
1654 'network' => $item['network'],
1655 'callstack' => System::callstack()
1659 // Checking if there is already an item with the same guid
1660 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1661 if (self::exists($condition)) {
1662 Logger::notice('Found already existing item', [
1663 'guid' => $item['guid'],
1664 'uid' => $item['uid'],
1665 'network' => $item['network']
1670 if ($item['verb'] == Activity::FOLLOW) {
1671 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1672 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1673 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1677 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1678 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1679 if (self::exists($condition)) {
1680 // It happens that we receive multiple follow requests by the same author - we only store one.
1681 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1686 // Check for hashtags in the body and repair or add hashtag links
1687 self::setHashtags($item);
1689 $item['thr-parent'] = $item['parent-uri'];
1691 $notify_type = Delivery::POST;
1697 if ($item['parent-uri'] === $item['uri']) {
1699 $parent_deleted = 0;
1700 $allow_cid = $item['allow_cid'];
1701 $allow_gid = $item['allow_gid'];
1702 $deny_cid = $item['deny_cid'];
1703 $deny_gid = $item['deny_gid'];
1705 // find the parent and snarf the item id and ACLs
1706 // and anything else we need to inherit
1708 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1709 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1710 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1711 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1712 $params = ['order' => ['id' => false]];
1713 $parent = self::selectFirst($fields, $condition, $params);
1715 if (DBA::isResult($parent)) {
1716 // is the new message multi-level threaded?
1717 // even though we don't support it now, preserve the info
1718 // and re-attach to the conversation parent.
1720 if ($parent['uri'] != $parent['parent-uri']) {
1721 $item['parent-uri'] = $parent['parent-uri'];
1723 $condition = ['uri' => $item['parent-uri'],
1724 'parent-uri' => $item['parent-uri'],
1725 'uid' => $item['uid']];
1726 $params = ['order' => ['id' => false]];
1727 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1729 if (DBA::isResult($toplevel_parent)) {
1730 $parent = $toplevel_parent;
1734 $parent_id = $parent['id'];
1735 $parent_deleted = $parent['deleted'];
1736 $allow_cid = $parent['allow_cid'];
1737 $allow_gid = $parent['allow_gid'];
1738 $deny_cid = $parent['deny_cid'];
1739 $deny_gid = $parent['deny_gid'];
1740 $item['wall'] = $parent['wall'];
1743 * If the parent is private, force privacy for the entire conversation
1744 * This differs from the above settings as it subtly allows comments from
1745 * email correspondents to be private even if the overall thread is not.
1747 if ($parent['private']) {
1748 $item['private'] = $parent['private'];
1752 * Edge case. We host a public forum that was originally posted to privately.
1753 * The original author commented, but as this is a comment, the permissions
1754 * weren't fixed up so it will still show the comment as private unless we fix it here.
1756 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1757 $item['private'] = self::PUBLIC;
1760 // If its a post that originated here then tag the thread as "mention"
1761 if ($item['origin'] && $item['uid']) {
1762 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1763 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1766 // Update the contact relations
1767 if ($item['author-id'] != $parent['author-id']) {
1768 DBA::update('contact-relation', ['last-interaction' => $item['created']], ['cid' => $parent['author-id'], 'relation-cid' => $item['author-id']], true);
1772 * Allow one to see reply tweets from status.net even when
1773 * we don't have or can't see the original post.
1775 if ($force_parent) {
1776 Logger::log('$force_parent=true, reply converted to top-level post.');
1778 $item['parent-uri'] = $item['uri'];
1779 $item['gravity'] = GRAVITY_PARENT;
1781 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1785 $parent_deleted = 0;
1789 if (stristr($item['verb'], Activity::POKE)) {
1790 $notify_type = Delivery::POKE;
1793 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1794 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1796 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1797 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1798 if (self::exists($condition)) {
1799 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1803 // On Friendica and Diaspora the GUID is unique
1804 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1805 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1806 if (self::exists($condition)) {
1807 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1810 } elseif ($item['network'] == Protocol::OSTATUS) {
1811 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1812 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1813 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1814 if (self::exists($condition)) {
1815 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1820 // Is this item available in the global items (with uid=0)?
1821 if ($item["uid"] == 0) {
1822 $item["global"] = true;
1824 // Set the global flag on all items if this was a global item entry
1825 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1827 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1831 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1832 $private = self::PRIVATE;
1834 $private = $item['private'];
1837 $item["allow_cid"] = $allow_cid;
1838 $item["allow_gid"] = $allow_gid;
1839 $item["deny_cid"] = $deny_cid;
1840 $item["deny_gid"] = $deny_gid;
1841 $item["private"] = $private;
1842 $item["deleted"] = $parent_deleted;
1844 // Fill the cache field
1845 self::putInCache($item);
1848 $item['edit'] = false;
1849 $item['parent'] = $parent_id;
1850 Hook::callAll('post_local', $item);
1851 unset($item['edit']);
1852 unset($item['parent']);
1854 Hook::callAll('post_remote', $item);
1857 // This array field is used to trigger some automatic reactions
1858 // It is mainly used in the "post_local" hook.
1859 unset($item['api_source']);
1861 if (!empty($item['cancel'])) {
1862 Logger::log('post cancelled by addon.');
1867 * Check for already added items.
1868 * There is a timing issue here that sometimes creates double postings.
1869 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1871 if ($item["uid"] == 0) {
1872 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1873 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1878 Logger::log('' . print_r($item,true), Logger::DATA);
1880 if (array_key_exists('tag', $item)) {
1881 $tags = $item['tag'];
1882 unset($item['tag']);
1887 if (array_key_exists('file', $item)) {
1888 $files = $item['file'];
1889 unset($item['file']);
1894 // Creates or assigns the permission set
1895 $item['psid'] = PermissionSet::getIdFromACL(
1903 $item['allow_cid'] = null;
1904 $item['allow_gid'] = null;
1905 $item['deny_cid'] = null;
1906 $item['deny_gid'] = null;
1908 // We are doing this outside of the transaction to avoid timing problems
1909 if (!self::insertActivity($item)) {
1910 self::insertContent($item);
1913 $delivery_data = ItemDeliveryData::extractFields($item);
1915 unset($item['postopts']);
1916 unset($item['inform']);
1918 // These fields aren't stored anymore in the item table, they are fetched upon request
1919 unset($item['author-link']);
1920 unset($item['author-name']);
1921 unset($item['author-avatar']);
1922 unset($item['author-network']);
1924 unset($item['owner-link']);
1925 unset($item['owner-name']);
1926 unset($item['owner-avatar']);
1928 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1931 $ret = DBA::insert('item', $item);
1933 // When the item was successfully stored we fetch the ID of the item.
1934 if (DBA::isResult($ret)) {
1935 $current_post = DBA::lastInsertId();
1937 // This can happen - for example - if there are locking timeouts.
1940 // Store the data into a spool file so that we can try again later.
1941 self::spool($orig_item);
1945 if ($current_post == 0) {
1946 // This is one of these error messages that never should occur.
1947 Logger::log("couldn't find created item - we better quit now.");
1952 // How much entries have we created?
1953 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1954 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1957 // There are duplicates. We delete our just created entry.
1958 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1960 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1961 DBA::delete('item', ['id' => $current_post]);
1964 } elseif ($entries == 0) {
1965 // This really should never happen since we quit earlier if there were problems.
1966 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1971 Logger::log('created item '.$current_post);
1973 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1974 $parent_id = $current_post;
1978 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1980 $item['id'] = $current_post;
1981 $item['parent'] = $parent_id;
1983 // update the commented timestamp on the parent
1984 // Only update "commented" if it is really a comment
1985 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1986 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1988 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1993 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1994 * We can check for this condition when we decode and encode the stuff again.
1996 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1997 $dsprsig->signature = base64_decode($dsprsig->signature);
1998 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
2001 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
2002 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
2004 // The other fields are used by very old Friendica servers, so we currently store them differently
2005 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
2006 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
2010 if (!empty($diaspora_signed_text)) {
2011 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
2014 if ($item['parent-uri'] === $item['uri']) {
2015 self::addThread($current_post);
2017 self::updateThread($parent_id);
2020 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
2021 ItemDeliveryData::insert($current_post, $delivery_data);
2027 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
2028 * This is not perfect - but a workable solution until we found the reason for the problem.
2030 if (!empty($tags)) {
2031 Term::insertFromTagFieldByItemId($current_post, $tags);
2034 if (!empty($files)) {
2035 Term::insertFromFileFieldByItemId($current_post, $files);
2038 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2039 if (self::tagDeliver($item['uid'], $current_post)) {
2040 // Get the user information for the logging
2041 $user = User::getById($uid);
2043 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2048 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2049 if (DBA::isResult($posted_item)) {
2051 Hook::callAll('post_local_end', $posted_item);
2053 Hook::callAll('post_remote_end', $posted_item);
2056 Logger::log('new item not found in DB, id ' . $current_post);
2060 if ($item['parent-uri'] === $item['uri']) {
2061 self::addShadow($current_post);
2063 self::addShadowPost($current_post);
2066 self::updateContact($item);
2068 UserItem::setNotification($current_post);
2070 check_user_notification($current_post);
2072 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2073 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2076 return $current_post;
2080 * Insert a new item content entry
2082 * @param array $item The item fields that are to be inserted
2084 * @throws \Exception
2086 private static function insertActivity(&$item)
2088 $activity_index = self::activityToIndex($item['verb']);
2090 if ($activity_index < 0) {
2094 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2096 // We just remove everything that is content
2097 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2098 unset($item[$field]);
2101 // To avoid timing problems, we are using locks.
2102 $locked = DI::lock()->acquire('item_insert_activity');
2104 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2107 // Do we already have this content?
2108 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2109 if (DBA::isResult($item_activity)) {
2110 $item['iaid'] = $item_activity['id'];
2111 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2112 } elseif (DBA::insert('item-activity', $fields)) {
2113 $item['iaid'] = DBA::lastInsertId();
2114 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2116 // This shouldn't happen.
2117 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2118 DI::lock()->release('item_insert_activity');
2122 DI::lock()->release('item_insert_activity');
2128 * Insert a new item content entry
2130 * @param array $item The item fields that are to be inserted
2131 * @throws \Exception
2133 private static function insertContent(&$item)
2135 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2137 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2138 if (isset($item[$field])) {
2139 $fields[$field] = $item[$field];
2140 unset($item[$field]);
2144 // To avoid timing problems, we are using locks.
2145 $locked = DI::lock()->acquire('item_insert_content');
2147 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2150 // Do we already have this content?
2151 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2152 if (DBA::isResult($item_content)) {
2153 $item['icid'] = $item_content['id'];
2154 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2155 } elseif (DBA::insert('item-content', $fields)) {
2156 $item['icid'] = DBA::lastInsertId();
2157 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2159 // This shouldn't happen.
2160 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2163 DI::lock()->release('item_insert_content');
2168 * Update existing item content entries
2170 * @param array $item The item fields that are to be changed
2171 * @param array $condition The condition for finding the item content entries
2173 * @throws \Exception
2175 private static function updateActivity($item, $condition)
2177 if (empty($item['verb'])) {
2180 $activity_index = self::activityToIndex($item['verb']);
2182 if ($activity_index < 0) {
2186 $fields = ['activity' => $activity_index];
2188 Logger::log('Update activity for ' . json_encode($condition));
2190 DBA::update('item-activity', $fields, $condition, true);
2196 * Update existing item content entries
2198 * @param array $item The item fields that are to be changed
2199 * @param array $condition The condition for finding the item content entries
2200 * @throws \Exception
2202 private static function updateContent($item, $condition)
2204 // We have to select only the fields from the "item-content" table
2206 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2207 if (isset($item[$field])) {
2208 $fields[$field] = $item[$field];
2212 if (empty($fields)) {
2213 // when there are no fields at all, just use the condition
2214 // This is to ensure that we always store content.
2215 $fields = $condition;
2218 Logger::log('Update content for ' . json_encode($condition));
2220 DBA::update('item-content', $fields, $condition, true);
2224 * Distributes public items to the receivers
2226 * @param integer $itemid Item ID that should be added
2227 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2228 * @throws \Exception
2230 public static function distribute($itemid, $signed_text = '')
2232 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2233 $parent = self::selectFirst(['owner-id'], $condition);
2234 if (!DBA::isResult($parent)) {
2238 // Only distribute public items from native networks
2239 $condition = ['id' => $itemid, 'uid' => 0,
2240 'network' => array_merge(Protocol::FEDERATED ,['']),
2241 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2242 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2243 if (!DBA::isResult($item)) {
2247 $origin = $item['origin'];
2250 unset($item['parent']);
2251 unset($item['mention']);
2252 unset($item['wall']);
2253 unset($item['origin']);
2254 unset($item['starred']);
2258 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2259 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2260 if (!DBA::isResult($owner)) {
2264 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2265 $contacts = DBA::select('contact', ['uid'], $condition);
2266 while ($contact = DBA::fetch($contacts)) {
2267 if ($contact['uid'] == 0) {
2271 $users[$contact['uid']] = $contact['uid'];
2273 DBA::close($contacts);
2275 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2276 $contacts = DBA::select('contact', ['uid'], $condition);
2277 while ($contact = DBA::fetch($contacts)) {
2278 if ($contact['uid'] == 0) {
2282 $users[$contact['uid']] = $contact['uid'];
2284 DBA::close($contacts);
2286 if (!empty($owner['alias'])) {
2287 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2288 $contacts = DBA::select('contact', ['uid'], $condition);
2289 while ($contact = DBA::fetch($contacts)) {
2290 if ($contact['uid'] == 0) {
2294 $users[$contact['uid']] = $contact['uid'];
2296 DBA::close($contacts);
2301 if ($item['uri'] != $item['parent-uri']) {
2302 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2303 while ($parent = self::fetch($parents)) {
2304 $users[$parent['uid']] = $parent['uid'];
2305 if ($parent['origin'] && !$origin) {
2306 $origin_uid = $parent['uid'];
2311 foreach ($users as $uid) {
2312 if ($origin_uid == $uid) {
2313 $item['diaspora_signed_text'] = $signed_text;
2315 self::storeForUser($itemid, $item, $uid);
2320 * Store public items for the receivers
2322 * @param integer $itemid Item ID that should be added
2323 * @param array $item The item entry that will be stored
2324 * @param integer $uid The user that will receive the item entry
2325 * @throws \Exception
2327 private static function storeForUser($itemid, $item, $uid)
2329 $item['uid'] = $uid;
2330 $item['origin'] = 0;
2332 if ($item['uri'] == $item['parent-uri']) {
2333 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2335 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2338 if (empty($item['contact-id'])) {
2339 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2340 if (!DBA::isResult($self)) {
2343 $item['contact-id'] = $self['id'];
2346 /// @todo Handling of "event-id"
2349 if ($item['uri'] == $item['parent-uri']) {
2350 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2351 if (DBA::isResult($contact)) {
2352 $notify = self::isRemoteSelf($contact, $item);
2356 $distributed = self::insert($item, false, $notify, true);
2358 if (!$distributed) {
2359 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2361 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2366 * Add a shadow entry for a given item id that is a thread starter
2368 * We store every public item entry additionally with the user id "0".
2369 * This is used for the community page and for the search.
2370 * It is planned that in the future we will store public item entries only once.
2372 * @param integer $itemid Item ID that should be added
2373 * @throws \Exception
2375 public static function addShadow($itemid)
2377 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2378 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2379 $item = self::selectFirst($fields, $condition);
2381 if (!DBA::isResult($item)) {
2385 // is it already a copy?
2386 if (($itemid == 0) || ($item['uid'] == 0)) {
2390 // Is it a visible public post?
2391 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2395 // is it an entry from a connector? Only add an entry for natively connected networks
2396 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2400 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2404 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2406 if (DBA::isResult($item)) {
2407 // Preparing public shadow (removing user specific data)
2410 unset($item['parent']);
2411 unset($item['wall']);
2412 unset($item['mention']);
2413 unset($item['origin']);
2414 unset($item['starred']);
2415 unset($item['postopts']);
2416 unset($item['inform']);
2417 if ($item['uri'] == $item['parent-uri']) {
2418 $item['contact-id'] = $item['owner-id'];
2420 $item['contact-id'] = $item['author-id'];
2423 $public_shadow = self::insert($item, false, false, true);
2425 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2430 * Add a shadow entry for a given item id that is a comment
2432 * This function does the same like the function above - but for comments
2434 * @param integer $itemid Item ID that should be added
2435 * @throws \Exception
2437 public static function addShadowPost($itemid)
2439 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2440 if (!DBA::isResult($item)) {
2444 // Is it a toplevel post?
2445 if ($item['id'] == $item['parent']) {
2446 self::addShadow($itemid);
2450 // Is this a shadow entry?
2451 if ($item['uid'] == 0) {
2455 // Is there a shadow parent?
2456 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2460 // Is there already a shadow entry?
2461 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2465 // Save "origin" and "parent" state
2466 $origin = $item['origin'];
2467 $parent = $item['parent'];
2469 // Preparing public shadow (removing user specific data)
2472 unset($item['parent']);
2473 unset($item['wall']);
2474 unset($item['mention']);
2475 unset($item['origin']);
2476 unset($item['starred']);
2477 unset($item['postopts']);
2478 unset($item['inform']);
2479 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2481 $public_shadow = self::insert($item, false, false, true);
2483 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2485 // If this was a comment to a Diaspora post we don't get our comment back.
2486 // This means that we have to distribute the comment by ourselves.
2487 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2488 self::distribute($public_shadow);
2493 * Adds a language specification in a "language" element of given $arr.
2494 * Expects "body" element to exist in $arr.
2497 * @throws \Text_LanguageDetect_Exception
2499 private static function addLanguageToItemArray(&$item)
2501 $naked_body = BBCode::toPlaintext($item['body'], false);
2503 $ld = new Text_LanguageDetect();
2504 $ld->setNameMode(2);
2505 $languages = $ld->detect($naked_body, 3);
2507 if (is_array($languages)) {
2508 $item['language'] = json_encode($languages);
2513 * Creates an unique guid out of a given uri
2515 * @param string $uri uri of an item entry
2516 * @param string $host hostname for the GUID prefix
2517 * @return string unique guid
2519 public static function guidFromUri($uri, $host)
2521 // Our regular guid routine is using this kind of prefix as well
2522 // We have to avoid that different routines could accidentally create the same value
2523 $parsed = parse_url($uri);
2525 // We use a hash of the hostname as prefix for the guid
2526 $guid_prefix = hash("crc32", $host);
2528 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2529 unset($parsed["scheme"]);
2531 // Glue it together to be able to make a hash from it
2532 $host_id = implode("/", $parsed);
2534 // We could use any hash algorithm since it isn't a security issue
2535 $host_hash = hash("ripemd128", $host_id);
2537 return $guid_prefix.$host_hash;
2541 * generate an unique URI
2543 * @param integer $uid User id
2544 * @param string $guid An existing GUID (Otherwise it will be generated)
2547 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2549 public static function newURI($uid, $guid = "")
2552 $guid = System::createUUID();
2555 return DI::baseUrl()->get() . '/objects/' . $guid;
2559 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2561 * This can be used to filter for inactive contacts.
2562 * Only do this for public postings to avoid privacy problems, since poco data is public.
2563 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2565 * @param array $arr Contains the just posted item record
2566 * @throws \Exception
2568 private static function updateContact($arr)
2570 // Unarchive the author
2571 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2572 if (DBA::isResult($contact)) {
2573 Contact::unmarkForArchival($contact);
2576 // Unarchive the contact if it's not our own contact
2577 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2578 if (DBA::isResult($contact)) {
2579 Contact::unmarkForArchival($contact);
2582 $update = (($arr['private'] != self::PRIVATE) && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2584 // Is it a forum? Then we don't care about the rules from above
2585 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2586 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2592 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2593 ['id' => $arr['contact-id']]);
2595 // Now do the same for the system wide contacts with uid=0
2596 if ($arr['private'] != self::PRIVATE) {
2597 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2598 ['id' => $arr['owner-id']]);
2600 if ($arr['owner-id'] != $arr['author-id']) {
2601 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2602 ['id' => $arr['author-id']]);
2607 public static function setHashtags(&$item)
2609 $tags = BBCode::getTags($item["body"]);
2612 if (!count($tags)) {
2616 // What happens in [code], stays in [code]!
2617 // escape the # and the [
2618 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2619 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2621 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2623 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2624 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2627 // This sorting is important when there are hashtags that are part of other hashtags
2628 // Otherwise there could be problems with hashtags like #test and #test2
2631 $URLSearchString = "^\[\]";
2633 // All hashtags should point to the home server if "local_tags" is activated
2634 if (DI::config()->get('system', 'local_tags')) {
2635 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2636 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2638 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2639 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2642 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2643 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2645 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2648 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2650 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2653 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2655 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2658 // Repair recursive urls
2659 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2660 "#$2", $item["body"]);
2662 foreach ($tags as $tag) {
2663 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2667 $basetag = str_replace('_',' ',substr($tag,1));
2668 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2670 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2672 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2673 if (strlen($item["tag"])) {
2674 $item["tag"] = ',' . $item["tag"];
2676 $item["tag"] = $newtag . $item["tag"];
2680 // Convert back the masked hashtags
2681 $item["body"] = str_replace("#", "#", $item["body"]);
2683 // Remember! What happens in [code], stays in [code]
2684 // roleback the # and [
2685 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2687 // we truly unESCape all sharp and leftsquarebracket
2688 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2689 $replace = ['#', '['];
2690 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2695 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2698 * @param int $item_id
2699 * @return boolean true if item was deleted, else false
2700 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2701 * @throws \ImagickException
2703 private static function tagDeliver($uid, $item_id)
2707 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2708 if (!DBA::isResult($user)) {
2712 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2713 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2715 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2716 if (!DBA::isResult($item)) {
2720 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2723 * Diaspora uses their own hardwired link URL in @-tags
2724 * instead of the one we supply with webfinger
2726 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2728 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2730 foreach ($matches as $mtch) {
2731 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2733 Logger::log('mention found: ' . $mtch[2]);
2739 if (($community_page || $prvgroup) &&
2740 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2741 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2742 DBA::delete('item', ['id' => $item_id]);
2748 $arr = ['item' => $item, 'user' => $user];
2750 Hook::callAll('tagged', $arr);
2752 if (!$community_page && !$prvgroup) {
2757 * tgroup delivery - setup a second delivery chain
2758 * prevent delivery looping - only proceed
2759 * if the message originated elsewhere and is a top-level post
2761 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2765 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2766 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2767 if (!DBA::isResult($self)) {
2771 $owner_id = Contact::getIdForURL($self['url']);
2773 // also reset all the privacy bits to the forum default permissions
2775 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2777 $psid = PermissionSet::getIdFromACL(
2785 $forum_mode = ($prvgroup ? 2 : 1);
2787 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2788 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2789 self::update($fields, ['id' => $item_id]);
2791 self::updateThread($item_id);
2793 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2798 public static function isRemoteSelf($contact, &$datarray)
2800 if (!$contact['remote_self']) {
2804 // Prevent the forwarding of posts that are forwarded
2805 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2806 Logger::log('Already forwarded', Logger::DEBUG);
2810 // Prevent to forward already forwarded posts
2811 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2812 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2816 // Only forward posts
2817 if ($datarray["verb"] != Activity::POST) {
2818 Logger::log('No post', Logger::DEBUG);
2822 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2823 Logger::log('Not public', Logger::DEBUG);
2827 $datarray2 = $datarray;
2828 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2829 if ($contact['remote_self'] == 2) {
2830 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2831 ['uid' => $contact['uid'], 'self' => true]);
2832 if (DBA::isResult($self)) {
2833 $datarray['contact-id'] = $self["id"];
2835 $datarray['owner-name'] = $self["name"];
2836 $datarray['owner-link'] = $self["url"];
2837 $datarray['owner-avatar'] = $self["thumb"];
2839 $datarray['author-name'] = $datarray['owner-name'];
2840 $datarray['author-link'] = $datarray['owner-link'];
2841 $datarray['author-avatar'] = $datarray['owner-avatar'];
2843 unset($datarray['edited']);
2845 unset($datarray['network']);
2846 unset($datarray['owner-id']);
2847 unset($datarray['author-id']);
2850 if ($contact['network'] != Protocol::FEED) {
2851 $datarray["guid"] = System::createUUID();
2852 unset($datarray["plink"]);
2853 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2854 $datarray["parent-uri"] = $datarray["uri"];
2855 $datarray["thr-parent"] = $datarray["uri"];
2856 $datarray["extid"] = Protocol::DFRN;
2857 $urlpart = parse_url($datarray2['author-link']);
2858 $datarray["app"] = $urlpart["host"];
2860 $datarray['private'] = self::PUBLIC;
2864 if ($contact['network'] != Protocol::FEED) {
2865 // Store the original post
2866 $result = self::insert($datarray2, false, false);
2867 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2869 $datarray["app"] = "Feed";
2873 // Trigger automatic reactions for addons
2874 $datarray['api_source'] = true;
2876 // We have to tell the hooks who we are - this really should be improved
2877 $_SESSION["authenticated"] = true;
2878 $_SESSION["uid"] = $contact['uid'];
2887 * @param array $item
2890 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2891 * @throws \ImagickException
2893 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2895 if (DI::config()->get('system', 'disable_embedded')) {
2899 Logger::log('check for photos', Logger::DEBUG);
2900 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2905 $img_start = strpos($orig_body, '[img');
2906 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2907 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2909 while (($img_st_close !== false) && ($img_len !== false)) {
2910 $img_st_close++; // make it point to AFTER the closing bracket
2911 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2913 Logger::log('found photo ' . $image, Logger::DEBUG);
2915 if (stristr($image, $site . '/photo/')) {
2916 // Only embed locally hosted photos
2918 $i = basename($image);
2919 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2920 $x = strpos($i, '-');
2923 $res = substr($i, $x + 1);
2924 $i = substr($i, 0, $x);
2925 $photo = Photo::getPhotoForUser($uid, $i, $res);
2926 if (DBA::isResult($photo)) {
2928 * Check to see if we should replace this photo link with an embedded image
2929 * 1. No need to do so if the photo is public
2930 * 2. If there's a contact-id provided, see if they're in the access list
2931 * for the photo. If so, embed it.
2932 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2933 * permissions, regardless of order but first check to see if they're an exact
2934 * match to save some processing overhead.
2936 if (self::hasPermissions($photo)) {
2938 $recips = self::enumeratePermissions($photo);
2939 if (in_array($cid, $recips)) {
2943 if (self::samePermissions($uid, $item, $photo)) {
2949 $photo_img = Photo::getImageForPhoto($photo);
2950 // If a custom width and height were specified, apply before embedding
2951 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2952 Logger::log('scaling photo', Logger::DEBUG);
2954 $width = intval($match[1]);
2955 $height = intval($match[2]);
2957 $photo_img->scaleDown(max($width, $height));
2960 $data = $photo_img->asString();
2961 $type = $photo_img->getType();
2963 Logger::log('replacing photo', Logger::DEBUG);
2964 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2965 Logger::log('replaced: ' . $image, Logger::DATA);
2971 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2972 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2973 if ($orig_body === false) {
2977 $img_start = strpos($orig_body, '[img');
2978 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2979 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2982 $new_body = $new_body . $orig_body;
2987 private static function hasPermissions($obj)
2989 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2990 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2993 private static function samePermissions($uid, $obj1, $obj2)
2995 // first part is easy. Check that these are exactly the same.
2996 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2997 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2998 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2999 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
3003 // This is harder. Parse all the permissions and compare the resulting set.
3004 $recipients1 = self::enumeratePermissions($obj1);
3005 $recipients2 = self::enumeratePermissions($obj2);
3009 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
3010 return ($recipients1 == $recipients2);
3014 * Returns an array of contact-ids that are allowed to see this object
3016 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3017 * @param bool $check_dead Prunes unavailable contacts from the result
3019 * @throws \Exception
3021 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3023 $aclFormater = DI::aclFormatter();
3025 $allow_people = $aclFormater->expand($obj['allow_cid']);
3026 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3027 $deny_people = $aclFormater->expand($obj['deny_cid']);
3028 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3029 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3030 $deny = array_unique(array_merge($deny_people, $deny_groups));
3031 $recipients = array_diff($recipients, $deny);
3035 public static function getFeedTags($item)
3039 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3041 for ($x = 0; $x < $cnt; $x ++) {
3042 if ($matches[1][$x]) {
3043 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3048 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3050 for ($x = 0; $x < $cnt; $x ++) {
3051 if ($matches[1][$x]) {
3052 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3059 public static function expire($uid, $days, $network = "", $force = false)
3061 if (!$uid || ($days < 1)) {
3065 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3066 $uid, GRAVITY_PARENT];
3069 * $expire_network_only = save your own wall posts
3070 * and just expire conversations started by others
3072 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3074 if ($expire_network_only) {
3075 $condition[0] .= " AND NOT `wall`";
3078 if ($network != "") {
3079 $condition[0] .= " AND `network` = ?";
3080 $condition[] = $network;
3083 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3084 $condition[] = $days;
3086 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3088 if (!DBA::isResult($items)) {
3092 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3094 // Forcing expiring of items - but not notes and marked items
3096 $expire_items = true;
3099 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3100 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3101 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3105 while ($item = Item::fetch($items)) {
3106 // don't expire filed items
3108 if (strpos($item['file'], '[') !== false) {
3112 // Only expire posts, not photos and photo comments
3114 if (!$expire_photos && strlen($item['resource-id'])) {
3116 } elseif (!$expire_starred && intval($item['starred'])) {
3118 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3120 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3124 self::markForDeletionById($item['id'], PRIORITY_LOW);
3129 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3132 public static function firstPostDate($uid, $wall = false)
3134 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3135 $params = ['order' => ['received' => false]];
3136 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3137 if (DBA::isResult($thread)) {
3138 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3144 * add/remove activity to an item
3146 * Toggle activities as like,dislike,attend of an item
3148 * @param string $item_id
3149 * @param string $verb
3150 * Activity verb. One of
3151 * like, unlike, dislike, undislike, attendyes, unattendyes,
3152 * attendno, unattendno, attendmaybe, unattendmaybe
3154 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3155 * @throws \ImagickException
3156 * @hook 'post_local_end'
3158 * 'post_id' => ID of posted item
3160 public static function performActivity($item_id, $verb)
3162 if (!Session::isAuthenticated()) {
3169 $activity = Activity::LIKE;
3173 $activity = Activity::DISLIKE;
3177 $activity = Activity::ATTEND;
3181 $activity = Activity::ATTENDNO;
3184 case 'unattendmaybe':
3185 $activity = Activity::ATTENDMAYBE;
3189 $activity = Activity::FOLLOW;
3192 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3196 // Enable activity toggling instead of on/off
3197 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3199 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3201 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3202 if (!DBA::isResult($item)) {
3203 Logger::log('like: unknown item ' . $item_id);
3207 $item_uri = $item['uri'];
3209 $uid = $item['uid'];
3210 if (($uid == 0) && local_user()) {
3211 $uid = local_user();
3214 if (!Security::canWriteToUserWall($uid)) {
3215 Logger::log('like: unable to write on wall ' . $uid);
3219 // Retrieves the local post owner
3220 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3221 if (!DBA::isResult($owner_self_contact)) {
3222 Logger::log('like: unknown owner ' . $uid);
3226 // Retrieve the current logged in user's public contact
3227 $author_id = public_contact();
3229 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3230 if (!DBA::isResult($author_contact)) {
3231 Logger::log('like: unknown author ' . $author_id);
3235 // Contact-id is the uid-dependant author contact
3236 if (local_user() == $uid) {
3237 $item_contact_id = $owner_self_contact['id'];
3239 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3240 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3241 if (!DBA::isResult($item_contact)) {
3242 Logger::log('like: unknown item contact ' . $item_contact_id);
3247 // Look for an existing verb row
3248 // event participation are essentially radio toggles. If you make a subsequent choice,
3249 // we need to eradicate your first choice.
3250 if ($event_verb_flag) {
3251 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3253 // Translate to the index based activity index
3255 foreach ($verbs as $verb) {
3256 $activities[] = self::activityToIndex($verb);
3259 $activities = self::activityToIndex($activity);
3262 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3263 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3265 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3267 // If it exists, mark it as deleted
3268 if (DBA::isResult($like_item)) {
3269 self::markForDeletionById($like_item['id']);
3271 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3276 // Verb is "un-something", just trying to delete existing entries
3277 if (strpos($verb, 'un') === 0) {
3281 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3284 'guid' => System::createUUID(),
3285 'uri' => self::newURI($item['uid']),
3286 'uid' => $item['uid'],
3287 'contact-id' => $item_contact_id,
3288 'wall' => $item['wall'],
3290 'network' => Protocol::DFRN,
3291 'gravity' => GRAVITY_ACTIVITY,
3292 'parent' => $item['id'],
3293 'parent-uri' => $item['uri'],
3294 'thr-parent' => $item['uri'],
3295 'owner-id' => $author_id,
3296 'author-id' => $author_id,
3297 'body' => $activity,
3298 'verb' => $activity,
3299 'object-type' => $objtype,
3300 'allow_cid' => $item['allow_cid'],
3301 'allow_gid' => $item['allow_gid'],
3302 'deny_cid' => $item['deny_cid'],
3303 'deny_gid' => $item['deny_gid'],
3308 $signed = Diaspora::createLikeSignature($uid, $new_item);
3309 if (!empty($signed)) {
3310 $new_item['diaspora_signed_text'] = json_encode($signed);
3313 $new_item_id = self::insert($new_item);
3315 // If the parent item isn't visible then set it to visible
3316 if (!$item['visible']) {
3317 self::update(['visible' => true], ['id' => $item['id']]);
3320 $new_item['id'] = $new_item_id;
3322 Hook::callAll('post_local_end', $new_item);
3327 private static function addThread($itemid, $onlyshadow = false)
3329 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3330 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3331 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3332 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3333 $item = self::selectFirst($fields, $condition);
3335 if (!DBA::isResult($item)) {
3339 $item['iid'] = $itemid;
3342 $result = DBA::insert('thread', $item);
3344 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3348 private static function updateThread($itemid, $setmention = false)
3350 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3351 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3352 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3353 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3355 $item = self::selectFirst($fields, $condition);
3356 if (!DBA::isResult($item)) {
3361 $item["mention"] = 1;
3366 foreach ($item as $field => $data) {
3367 if (!in_array($field, ["guid"])) {
3368 $fields[$field] = $data;
3372 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3374 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3377 private static function deleteThread($itemid, $itemuri = "")
3379 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3380 if (!DBA::isResult($item)) {
3381 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3385 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3387 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3389 if ($itemuri != "") {
3390 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3391 if (!self::exists($condition)) {
3392 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3393 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3398 public static function getPermissionsSQLByUserId($owner_id)
3400 $local_user = local_user();
3401 $remote_user = Session::getRemoteContactID($owner_id);
3404 * Construct permissions
3406 * default permissions - anonymous user
3408 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3410 // Profile owner - everything is visible
3411 if ($local_user && ($local_user == $owner_id)) {
3413 } elseif ($remote_user) {
3415 * Authenticated visitor. Unless pre-verified,
3416 * check that the contact belongs to this $owner_id
3417 * and load the groups the visitor belongs to.
3418 * If pre-verified, the caller is expected to have already
3419 * done this and passed the groups into this function.
3421 $set = PermissionSet::get($owner_id, $remote_user);
3424 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3429 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3436 * get translated item type
3441 public static function postType($item)
3443 if (!empty($item['event-id'])) {
3444 return DI::l10n()->t('event');
3445 } elseif (!empty($item['resource-id'])) {
3446 return DI::l10n()->t('photo');
3447 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3448 return DI::l10n()->t('activity');
3449 } elseif ($item['id'] != $item['parent']) {
3450 return DI::l10n()->t('comment');
3453 return DI::l10n()->t('post');
3457 * Sets the "rendered-html" field of the provided item
3459 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3461 * @param array $item
3462 * @param bool $update
3464 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3465 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3467 public static function putInCache(&$item, $update = false)
3469 $body = $item["body"];
3471 $rendered_hash = $item['rendered-hash'] ?? '';
3472 $rendered_html = $item['rendered-html'] ?? '';
3474 if ($rendered_hash == ''
3475 || $rendered_html == ""
3476 || $rendered_hash != hash("md5", $item["body"])
3477 || DI::config()->get("system", "ignore_cache")
3479 self::addRedirToImageTags($item);
3481 $item["rendered-html"] = BBCode::convert($item["body"]);
3482 $item["rendered-hash"] = hash("md5", $item["body"]);
3484 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3485 Hook::callAll('put_item_in_cache', $hook_data);
3486 $item['rendered-html'] = $hook_data['rendered-html'];
3487 $item['rendered-hash'] = $hook_data['rendered-hash'];
3490 // Force an update if the generated values differ from the existing ones
3491 if ($rendered_hash != $item["rendered-hash"]) {
3495 // Only compare the HTML when we forcefully ignore the cache
3496 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3500 if ($update && !empty($item["id"])) {
3503 'rendered-html' => $item["rendered-html"],
3504 'rendered-hash' => $item["rendered-hash"]
3506 ['id' => $item["id"]]
3511 $item["body"] = $body;
3515 * Find any non-embedded images in private items and add redir links to them
3517 * @param array &$item The field array of an item row
3519 private static function addRedirToImageTags(array &$item)
3524 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3526 foreach ($matches as $mtch) {
3527 if (strpos($mtch[1], '/redir') !== false) {
3531 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3532 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3533 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3540 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3541 * If attach is true, also add icons for item attachments.
3543 * @param array $item
3544 * @param boolean $attach
3545 * @param boolean $is_preview
3546 * @return string item body html
3547 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3548 * @throws \ImagickException
3549 * @hook prepare_body_init item array before any work
3550 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3551 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3552 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3554 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3557 Hook::callAll('prepare_body_init', $item);
3559 // In order to provide theme developers more possibilities, event items
3560 // are treated differently.
3561 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3562 $ev = Event::getItemHTML($item);
3566 $tags = Term::populateTagsFromItem($item);
3568 $item['tags'] = $tags['tags'];
3569 $item['hashtags'] = $tags['hashtags'];
3570 $item['mentions'] = $tags['mentions'];
3572 // Compile eventual content filter reasons
3573 $filter_reasons = [];
3574 if (!$is_preview && public_contact() != $item['author-id']) {
3575 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3576 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3581 'filter_reasons' => $filter_reasons
3583 Hook::callAll('prepare_body_content_filter', $hook_data);
3584 $filter_reasons = $hook_data['filter_reasons'];
3588 // Update the cached values if there is no "zrl=..." on the links.
3589 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3591 // Or update it if the current viewer is the intented viewer.
3592 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3596 self::putInCache($item, $update);
3597 $s = $item["rendered-html"];
3602 'preview' => $is_preview,
3603 'filter_reasons' => $filter_reasons
3605 Hook::callAll('prepare_body', $hook_data);
3606 $s = $hook_data['html'];
3610 // Replace the blockquotes with quotes that are used in mails.
3611 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3612 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3619 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3620 foreach ($matches as $mtch) {
3623 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3625 if (strpos($mime, 'video') !== false) {
3628 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3631 $url_parts = explode('/', $the_url);
3632 $id = end($url_parts);
3633 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3636 'title' => DI::l10n()->t('View Video'),
3643 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3645 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3646 $filesubtype = str_replace('.', '-', $filesubtype);
3649 $filesubtype = 'unkn';
3652 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3653 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3655 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3656 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3660 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3664 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3665 $x = Map::byCoordinates(trim($item['coord']));
3667 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3671 // Replace friendica image url size with theme preference.
3672 if (!empty($a->theme_info['item_image_size'])) {
3673 $ps = $a->theme_info['item_image_size'];
3674 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3677 $s = HTML::applyContentFilter($s, $filter_reasons);
3679 $hook_data = ['item' => $item, 'html' => $s];
3680 Hook::callAll('prepare_body_final', $hook_data);
3682 return $hook_data['html'];
3686 * get private link for item
3688 * @param array $item
3689 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3690 * @throws \Exception
3692 public static function getPlink($item)
3696 if ($a->user['nickname'] != "") {
3698 'href' => "display/" . $item['guid'],
3699 'orig' => "display/" . $item['guid'],
3700 'title' => DI::l10n()->t('View on separate page'),
3701 'orig_title' => DI::l10n()->t('view on separate page'),
3704 if (!empty($item['plink'])) {
3705 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3706 $ret["title"] = DI::l10n()->t('link to source');
3709 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3711 'href' => $item['plink'],
3712 'orig' => $item['plink'],
3713 'title' => DI::l10n()->t('link to source'),
3723 * Is the given item array a post that is sent as starting post to a forum?
3725 * @param array $item
3726 * @param array $owner
3728 * @return boolean "true" when it is a forum post
3730 public static function isForumPost(array $item, array $owner = [])
3732 if (empty($owner)) {
3733 $owner = User::getOwnerDataById($item['uid']);
3734 if (empty($owner)) {
3739 if (($item['author-id'] == $item['owner-id']) ||
3740 ($owner['id'] == $item['contact-id']) ||
3741 ($item['uri'] != $item['parent-uri']) ||
3746 return Contact::isForum($item['contact-id']);
3750 * Search item id for given URI or plink
3752 * @param string $uri
3753 * @param integer $uid
3755 * @return integer item id
3757 public static function searchByLink($uri, $uid = 0)
3759 $ssl_uri = str_replace('http://', 'https://', $uri);
3760 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3762 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3763 if (DBA::isResult($item)) {
3767 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3768 if (!DBA::isResult($itemcontent)) {
3772 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3773 if (!DBA::isResult($itemuri)) {
3777 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3778 if (DBA::isResult($item)) {
3786 * Return the URI for a link to the post
3788 * @param string $uri URI or link to post
3790 * @return string URI
3792 public static function getURIByLink(string $uri)
3794 $ssl_uri = str_replace('http://', 'https://', $uri);
3795 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3797 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3798 if (DBA::isResult($item)) {
3799 return $item['uri'];
3802 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3803 if (!DBA::isResult($itemcontent)) {
3807 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3808 if (DBA::isResult($itemuri)) {
3809 return $itemuri['uri'];
3816 * Fetches item for given URI or plink
3818 * @param string $uri
3819 * @param integer $uid
3821 * @return integer item id
3823 public static function fetchByLink($uri, $uid = 0)
3825 $item_id = self::searchByLink($uri, $uid);
3826 if (!empty($item_id)) {
3830 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3831 $item_id = self::searchByLink($fetched_uri, $uid);
3833 $item_id = Diaspora::fetchByURL($uri);
3836 if (!empty($item_id)) {
3844 * Return share data from an item array (if the item is shared item)
3845 * We are providing the complete Item array, because at some time in the future
3846 * we hopefully will define these values not in the body anymore but in some item fields.
3847 * This function is meant to replace all similar functions in the system.
3849 * @param array $item
3851 * @return array with share information
3853 public static function getShareArray($item)
3855 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3859 $attribute_string = $matches[2];
3860 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3861 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3862 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3863 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3870 * Fetch item information for shared items from the original items and adds it.
3872 * @param array $item
3874 * @return array item array with data from the original item
3876 public static function addShareDataFromOriginal($item)
3878 $shared = self::getShareArray($item);
3879 if (empty($shared)) {
3883 // Real reshares always have got a GUID.
3884 if (empty($shared['guid'])) {
3888 $uid = $item['uid'] ?? 0;
3890 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3891 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3892 if (!DBA::isResult($shared_item)) {
3893 if (empty($shared['link'])) {
3897 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3898 $id = self::fetchByLink($shared['link'], $uid);
3900 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3904 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3905 if (!DBA::isResult($shared_item)) {
3908 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3910 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3913 if (!empty($shared_item['title'])) {
3914 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3915 unset($shared_item['title']);
3917 $body = $shared_item['body'];
3920 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3921 unset($shared_item['body']);
3923 return array_merge($item, $shared_item);