3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
35 use Friendica\Database\DBStructure;
37 use Friendica\Model\Post\Category;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 const LOCK_INSERT = 'item-insert';
76 // Field list that is used to display the items
77 const DISPLAY_FIELDLIST = [
78 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
79 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
80 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'language',
81 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
82 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
83 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
84 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
85 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
86 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
87 'writable', 'self', 'cid', 'alias', 'pinned',
88 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
89 'event-summary', 'event-desc', 'event-location', 'event-type',
90 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
91 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
94 // Field list that is used to deliver items via the protocols
95 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
96 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
97 'private', 'title', 'body', 'location', 'coord', 'app',
98 'deleted', 'extid', 'post-type', 'gravity',
99 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
100 'author-id', 'author-link', 'owner-link', 'contact-uid',
101 'signed_text', 'signature', 'signer', 'network'];
103 // Field list for "item-content" table that is mixed with the item table
104 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
105 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
106 'object-type', 'object', 'target-type', 'target', 'plink'];
108 // Field list for "item-content" table that is not present in the "item" table
109 const CONTENT_FIELDLIST = ['language', 'raw-body'];
111 // All fields in the item table
112 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
113 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
114 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
115 'created', 'edited', 'commented', 'received', 'changed', 'verb',
116 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
117 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
118 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
119 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
120 'title', 'content-warning', 'body', 'location', 'coord', 'app',
121 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
122 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
123 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
125 // List of all verbs that don't need additional content data.
126 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
128 Activity::LIKE, Activity::DISLIKE,
129 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
137 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
139 private static $legacy_mode = null;
141 private static function getItemFields()
143 $definition = DBStructure::definition('', false);
146 foreach (self::TABLES as $table) {
147 $postfields[$table] = array_keys($definition[$table]['fields']);
153 public static function isLegacyMode()
155 if (is_null(self::$legacy_mode)) {
156 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
159 return self::$legacy_mode;
163 * Set the pinned state of an item
165 * @param integer $iid Item ID
166 * @param integer $uid User ID
167 * @param boolean $pinned Pinned state
169 public static function setPinned(int $iid, int $uid, bool $pinned)
171 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
175 * Get the pinned state
177 * @param integer $iid Item ID
178 * @param integer $uid User ID
180 * @return boolean pinned state
182 public static function getPinned(int $iid, int $uid)
184 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
185 if (!DBA::isResult($useritem)) {
188 return (bool)$useritem['pinned'];
192 * Select pinned rows from the item table for a given user
194 * @param integer $uid User ID
195 * @param array $selected Array of selected fields, empty for all
196 * @param array $condition Array of fields for condition
197 * @param array $params Array of several parameters
199 * @return boolean|object
202 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
204 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
205 if (!DBA::isResult($useritems)) {
210 while ($useritem = DBA::fetch($useritems)) {
211 $pinned[] = $useritem['iid'];
213 DBA::close($useritems);
215 if (empty($pinned)) {
219 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
221 return self::selectThreadForUser($uid, $selected, $condition, $params);
225 * Fetch a single item row
227 * @param mixed $stmt statement object
228 * @return array current row
230 public static function fetch($stmt)
232 $row = DBA::fetch($stmt);
238 // ---------------------- Transform item structure data ----------------------
240 // We prefer the data from the user's contact over the public one
241 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
242 ($row['author-link'] == $row['contact-link'])) {
243 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
244 $row['author-avatar'] = $row['contact-avatar'];
246 if (isset($row['author-name']) && !empty($row['contact-name'])) {
247 $row['author-name'] = $row['contact-name'];
251 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
252 ($row['owner-link'] == $row['contact-link'])) {
253 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
254 $row['owner-avatar'] = $row['contact-avatar'];
256 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
257 $row['owner-name'] = $row['contact-name'];
261 // We can always comment on posts from these networks
262 if (array_key_exists('writable', $row) &&
263 in_array($row['internal-network'], Protocol::FEDERATED)) {
264 $row['writable'] = true;
267 // ---------------------- Transform item content data ----------------------
269 // Fetch data from the item-content table whenever there is content there
270 if (self::isLegacyMode()) {
271 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
272 foreach ($legacy_fields as $field) {
273 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
274 $row[$field] = $row['internal-item-' . $field];
276 unset($row['internal-item-' . $field]);
280 if (array_key_exists('verb', $row)) {
281 if (!is_null($row['internal-verb'])) {
282 $row['verb'] = $row['internal-verb'];
285 if (in_array($row['verb'], self::ACTIVITIES)) {
286 if (array_key_exists('title', $row)) {
289 if (array_key_exists('body', $row)) {
290 $row['body'] = $row['verb'];
292 if (array_key_exists('object', $row)) {
295 if (array_key_exists('object-type', $row)) {
296 $row['object-type'] = Activity\ObjectType::NOTE;
298 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
299 // Posts don't have a target - but having tags or files.
300 if (array_key_exists('target', $row)) {
306 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
307 $row['vid'] = Verb::getID($row['verb']);
310 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
311 // Build the file string out of the term entries
312 if (array_key_exists('file', $row) && empty($row['file'])) {
313 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
317 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
318 if (array_key_exists('allow_cid', $row)) {
319 $row['allow_cid'] = '';
321 if (array_key_exists('allow_gid', $row)) {
322 $row['allow_gid'] = '';
324 if (array_key_exists('deny_cid', $row)) {
325 $row['deny_cid'] = '';
327 if (array_key_exists('deny_gid', $row)) {
328 $row['deny_gid'] = '';
332 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
333 $row['ignored'] = $row['internal-user-ignored'];
336 // Remove internal fields
337 unset($row['internal-network']);
338 unset($row['internal-uri-id']);
339 unset($row['internal-uid']);
340 unset($row['internal-psid']);
341 unset($row['internal-verb']);
342 unset($row['internal-user-ignored']);
343 unset($row['interaction']);
349 * Fills an array with data from an item query
351 * @param object $stmt statement object
352 * @param bool $do_close
353 * @return array Data array
355 public static function inArray($stmt, $do_close = true) {
356 if (is_bool($stmt)) {
361 while ($row = self::fetch($stmt)) {
371 * Check if item data exists
373 * @param array $condition array of fields for condition
375 * @return boolean Are there rows for that condition?
378 public static function exists($condition) {
379 $stmt = self::select(['id'], $condition, ['limit' => 1]);
381 if (is_bool($stmt)) {
384 $retval = (DBA::numRows($stmt) > 0);
393 * Retrieve a single record from the item table for a given user and returns it in an associative array
395 * @param integer $uid User ID
396 * @param array $selected
397 * @param array $condition
398 * @param array $params
403 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
405 $params['uid'] = $uid;
407 if (empty($selected)) {
408 $selected = Item::DISPLAY_FIELDLIST;
411 return self::selectFirst($selected, $condition, $params);
415 * Select rows from the item table for a given user
417 * @param integer $uid User ID
418 * @param array $selected Array of selected fields, empty for all
419 * @param array $condition Array of fields for condition
420 * @param array $params Array of several parameters
422 * @return boolean|object
425 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
427 $params['uid'] = $uid;
429 if (empty($selected)) {
430 $selected = Item::DISPLAY_FIELDLIST;
433 return self::select($selected, $condition, $params);
437 * Retrieve a single record from the item table and returns it in an associative array
439 * @param array $fields
440 * @param array $condition
441 * @param array $params
446 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
448 $params['limit'] = 1;
450 $result = self::select($fields, $condition, $params);
452 if (is_bool($result)) {
455 $row = self::fetch($result);
462 * Select rows from the item table and returns them as an array
464 * @param array $selected Array of selected fields, empty for all
465 * @param array $condition Array of fields for condition
466 * @param array $params Array of several parameters
471 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
473 $result = self::select($fields, $condition, $params);
475 if (is_bool($result)) {
480 while ($row = self::fetch($result)) {
489 * Select rows from the item table
491 * @param array $selected Array of selected fields, empty for all
492 * @param array $condition Array of fields for condition
493 * @param array $params Array of several parameters
495 * @return boolean|object
498 public static function select(array $selected = [], array $condition = [], $params = [])
503 if (isset($params['uid'])) {
504 $uid = $params['uid'];
508 $fields = self::fieldlist($usermode);
510 $select_fields = self::constructSelectFields($fields, $selected);
512 $condition_string = DBA::buildCondition($condition);
514 $condition_string = self::addTablesToFields($condition_string, $fields);
517 $condition_string = $condition_string . ' AND ' . self::condition(false);
520 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
522 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
524 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
526 return DBA::p($sql, $condition);
530 * Select rows from the starting post in the item table
532 * @param integer $uid User ID
533 * @param array $selected
534 * @param array $condition Array of fields for condition
535 * @param array $params Array of several parameters
537 * @return boolean|object
540 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
542 $params['uid'] = $uid;
544 if (empty($selected)) {
545 $selected = Item::DISPLAY_FIELDLIST;
548 return self::selectThread($selected, $condition, $params);
552 * Retrieve a single record from the starting post in the item table and returns it in an associative array
554 * @param integer $uid User ID
555 * @param array $selected
556 * @param array $condition
557 * @param array $params
562 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
564 $params['uid'] = $uid;
566 if (empty($selected)) {
567 $selected = Item::DISPLAY_FIELDLIST;
570 return self::selectFirstThread($selected, $condition, $params);
574 * Retrieve a single record from the starting post in the item table and returns it in an associative array
576 * @param array $fields
577 * @param array $condition
578 * @param array $params
583 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
585 $params['limit'] = 1;
586 $result = self::selectThread($fields, $condition, $params);
588 if (is_bool($result)) {
591 $row = self::fetch($result);
598 * Select rows from the starting post in the item table
600 * @param array $selected Array of selected fields, empty for all
601 * @param array $condition Array of fields for condition
602 * @param array $params Array of several parameters
604 * @return boolean|object
607 public static function selectThread(array $selected = [], array $condition = [], $params = [])
612 if (isset($params['uid'])) {
613 $uid = $params['uid'];
617 $fields = self::fieldlist($usermode);
619 $fields['thread'] = ['mention', 'ignored', 'iid'];
621 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
622 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
623 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
624 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
626 $select_fields = self::constructSelectFields($fields, $selected);
628 $condition_string = DBA::buildCondition($condition);
630 $condition_string = self::addTablesToFields($condition_string, $threadfields);
631 $condition_string = self::addTablesToFields($condition_string, $fields);
634 $condition_string = $condition_string . ' AND ' . self::condition(true);
637 $param_string = DBA::buildParameter($params);
638 $param_string = self::addTablesToFields($param_string, $threadfields);
639 $param_string = self::addTablesToFields($param_string, $fields);
641 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
643 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
645 return DBA::p($sql, $condition);
649 * Returns a list of fields that are associated with the item table
652 * @return array field list
654 private static function fieldlist($usermode)
658 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
659 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid', 'causer-id',
660 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
661 'created', 'edited', 'commented', 'received', 'changed', 'psid',
662 'resource-id', 'event-id', 'post-type', 'file',
663 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
664 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
665 'id' => 'item_id', 'network', 'icid',
666 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
667 'network' => 'internal-network', 'psid' => 'internal-psid'];
670 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
673 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
675 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
677 $fields['verb'] = ['name' => 'internal-verb'];
679 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
681 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
682 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
684 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
685 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
687 $fields['causer'] = ['url' => 'causer-link', 'name' => 'causer-name', 'addr' => 'causer-addr',
688 'thumb' => 'causer-avatar', 'nick' => 'causer-nick', 'network' => 'causer-network',
689 'contact-type' => 'causer-contact-type'];
691 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
692 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
693 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
695 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
697 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
698 'network' => 'parent-author-network'];
700 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
701 'start' => 'event-start','finish' => 'event-finish',
702 'summary' => 'event-summary','desc' => 'event-desc',
703 'location' => 'event-location', 'type' => 'event-type',
704 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
705 'ignore' => 'event-ignore', 'id' => 'event-id'];
707 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
713 * Returns SQL condition for the "select" functions
715 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
717 * @return string SQL condition
719 private static function condition($thread_mode)
722 $master_table = "`thread`";
724 $master_table = "`item`";
726 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
727 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
728 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
729 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
730 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
731 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
732 GRAVITY_PARENT, GRAVITY_PARENT);
736 * Returns all needed "JOIN" commands for the "select" functions
738 * @param integer $uid User ID
739 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
740 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
743 * @return string The SQL joins for the "select" functions
745 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
748 $master_table = "`thread`";
749 $master_table_key = "`thread`.`iid`";
750 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
752 $master_table = "`item`";
753 $master_table_key = "`item`.`id`";
758 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
759 AND NOT `contact`.`blocked`
760 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
761 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
762 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
763 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
764 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
765 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
766 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
767 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
769 if (strpos($sql_commands, "`contact`.") !== false) {
770 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
772 if (strpos($sql_commands, "`author`.") !== false) {
773 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
775 if (strpos($sql_commands, "`owner`.") !== false) {
776 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
779 if (strpos($sql_commands, "`causer`.") !== false) {
780 $joins .= " LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `item`.`causer-id`";
783 if (strpos($sql_commands, "`group_member`.") !== false) {
784 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
787 if (strpos($sql_commands, "`user`.") !== false) {
788 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
791 if (strpos($sql_commands, "`event`.") !== false) {
792 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
795 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
796 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
799 if (strpos($sql_commands, "`item-content`.") !== false) {
800 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
803 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
804 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
807 if (strpos($sql_commands, "`verb`.") !== false) {
808 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
811 if (strpos($sql_commands, "`permissionset`.") !== false) {
812 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
815 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
816 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
818 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
819 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
827 * Add the field list for the "select" functions
829 * @param array $fields The field definition array
830 * @param array $selected The array with the selected fields from the "select" functions
832 * @return string The field list
834 private static function constructSelectFields(array $fields, array $selected)
836 if (!empty($selected)) {
837 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
840 if (in_array('verb', $selected)) {
841 $selected = array_merge($selected, ['internal-verb']);
844 if (in_array('ignored', $selected)) {
845 $selected[] = 'internal-user-ignored';
848 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
851 foreach ($fields as $table => $table_fields) {
852 foreach ($table_fields as $field => $select) {
853 if (empty($selected) || in_array($select, $selected)) {
854 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
855 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
857 if (is_int($field)) {
858 $selection[] = "`" . $table . "`.`" . $select . "`";
860 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
865 return implode(", ", $selection);
869 * add table definition to fields in an SQL query
871 * @param string $query SQL query
872 * @param array $fields The field definition array
874 * @return string the changed SQL query
876 private static function addTablesToFields($query, $fields)
878 foreach ($fields as $table => $table_fields) {
879 foreach ($table_fields as $alias => $field) {
880 if (is_int($alias)) {
881 $replace_field = $field;
883 $replace_field = $alias;
886 $search = "/([^\.])`" . $field . "`/i";
887 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
888 $query = preg_replace($search, $replace, $query);
895 * Update existing item entries
897 * @param array $fields The fields that are to be changed
898 * @param array $condition The condition for finding the item entries
900 * In the future we may have to change permissions as well.
901 * Then we had to add the user id as third parameter.
903 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
905 * @return integer|boolean number of affected rows - or "false" if there was an error
906 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
908 public static function update(array $fields, array $condition)
910 if (empty($condition) || empty($fields)) {
914 // To ensure the data integrity we do it in an transaction
917 // We cannot simply expand the condition to check for origin entries
918 // The condition needn't to be a simple array but could be a complex condition.
919 // And we have to execute this query before the update to ensure to fetch the same data.
920 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
922 $content_fields = [];
923 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
924 if (isset($fields[$field])) {
925 $content_fields[$field] = $fields[$field];
926 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
927 unset($fields[$field]);
929 $fields[$field] = null;
934 $delivery_data = Post\DeliveryData::extractFields($fields);
936 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
937 foreach ($clear_fields as $field) {
938 if (array_key_exists($field, $fields)) {
939 $fields[$field] = null;
943 if (array_key_exists('file', $fields)) {
944 $files = $fields['file'];
945 $fields['file'] = null;
950 if (!empty($content_fields['verb'])) {
951 $fields['vid'] = Verb::getID($content_fields['verb']);
954 if (!empty($fields)) {
955 $success = DBA::update('item', $fields, $condition);
964 // When there is no content for the "old" item table, this will count the fetched items
965 $rows = DBA::affectedRows();
969 while ($item = DBA::fetch($items)) {
970 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
971 if (!empty($content_fields['body'])) {
972 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
974 // Remove all media attachments from the body and store them in the post-media table
975 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
976 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
979 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
981 if (empty($item['icid'])) {
982 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
983 if (DBA::isResult($item_content)) {
984 $item_fields = ['icid' => $item_content['id']];
985 // Clear all fields in the item table that have a content in the item-content table
986 if (self::isLegacyMode()) {
987 foreach ($item_content as $field => $content) {
988 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
989 $item_fields[$field] = null;
993 DBA::update('item', $item_fields, ['id' => $item['id']]);
998 if (!is_null($files)) {
999 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1000 if (!empty($item['file'])) {
1001 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1005 if (!empty($fields['attach'])) {
1006 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
1009 Post\DeliveryData::update($item['uri-id'], $delivery_data);
1011 self::updateThread($item['id']);
1013 // We only need to notfiy others when it is an original entry from us.
1014 // Only call the notifier when the item has some content relevant change.
1015 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1016 $notify_items[] = $item['id'];
1023 foreach ($notify_items as $notify_item) {
1024 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1031 * Delete an item and notify others about it - if it was ours
1033 * @param array $condition The condition for finding the item entries
1034 * @param integer $priority Priority for the notification
1035 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1037 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1039 $items = self::select(['id'], $condition);
1040 while ($item = self::fetch($items)) {
1041 self::markForDeletionById($item['id'], $priority);
1047 * Delete an item for an user and notify others about it - if it was ours
1049 * @param array $condition The condition for finding the item entries
1050 * @param integer $uid User who wants to delete this item
1051 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1053 public static function deleteForUser($condition, $uid)
1059 $items = self::select(['id', 'uid'], $condition);
1060 while ($item = self::fetch($items)) {
1061 // "Deleting" global items just means hiding them
1062 if ($item['uid'] == 0) {
1063 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1065 // Delete notifications
1066 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1067 } elseif ($item['uid'] == $uid) {
1068 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1070 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1077 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1079 * @param integer $item_id
1080 * @param integer $priority Priority for the notification
1082 * @return boolean success
1083 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1085 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1087 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1088 // locate item to be deleted
1089 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1090 'deleted', 'file', 'resource-id', 'event-id',
1091 'verb', 'object-type', 'object', 'target', 'contact-id',
1092 'icid', 'psid', 'gravity'];
1093 $item = self::selectFirst($fields, ['id' => $item_id]);
1094 if (!DBA::isResult($item)) {
1095 Logger::info('Item not found.', ['id' => $item_id]);
1099 if ($item['deleted']) {
1100 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1104 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1105 if (!DBA::isResult($parent)) {
1106 $parent = ['origin' => false];
1109 // clean up categories and tags so they don't end up as orphans
1112 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1115 foreach ($matches as $mtch) {
1116 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1122 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1125 foreach ($matches as $mtch) {
1126 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1131 * If item is a link to a photo resource, nuke all the associated photos
1132 * (visitors will not have photo resources)
1133 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1134 * generate a resource-id and therefore aren't intimately linked to the item.
1136 /// @TODO: this should first check if photo is used elsewhere
1137 if (strlen($item['resource-id'])) {
1138 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1141 // If item is a link to an event, delete the event.
1142 if (intval($item['event-id'])) {
1143 Event::delete($item['event-id']);
1146 // If item has attachments, drop them
1147 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
1148 foreach($attachments as $attachment) {
1149 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
1150 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1154 // Delete notifications
1155 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1157 // Set the item to "deleted"
1158 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1159 DBA::update('item', $item_fields, ['id' => $item['id']]);
1161 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1162 self::deleteThread($item['id'], $item['parent-uri']);
1164 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1165 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1168 Post\DeliveryData::delete($item['uri-id']);
1170 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1171 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1173 // When the permission set will be used in photo and events as well,
1174 // this query here needs to be extended.
1175 // @todo Currently deactivated. We need the permission set in the deletion process.
1176 // This is a reminder to add the removal somewhere else.
1177 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1178 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1181 // If it's the parent of a comment thread, kill all the kids
1182 if ($item['gravity'] == GRAVITY_PARENT) {
1183 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1186 // Is it our comment and/or our thread?
1187 if ($item['origin'] || $parent['origin']) {
1188 // When we delete the original post we will delete all existing copies on the server as well
1189 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1191 // send the notification upstream/downstream
1192 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1193 } elseif ($item['uid'] != 0) {
1195 // When we delete just our local user copy of an item, we have to set a marker to hide it
1196 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1197 if (DBA::isResult($global_item)) {
1198 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1202 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1208 private static function guid($item, $notify)
1210 if (!empty($item['guid'])) {
1211 return Strings::escapeTags(trim($item['guid']));
1215 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1216 // We add the hash of our own host because our host is the original creator of the post.
1217 $prefix_host = DI::baseUrl()->getHostname();
1221 // We are only storing the post so we create a GUID from the original hostname.
1222 if (!empty($item['author-link'])) {
1223 $parsed = parse_url($item['author-link']);
1224 if (!empty($parsed['host'])) {
1225 $prefix_host = $parsed['host'];
1229 if (empty($prefix_host) && !empty($item['plink'])) {
1230 $parsed = parse_url($item['plink']);
1231 if (!empty($parsed['host'])) {
1232 $prefix_host = $parsed['host'];
1236 if (empty($prefix_host) && !empty($item['uri'])) {
1237 $parsed = parse_url($item['uri']);
1238 if (!empty($parsed['host'])) {
1239 $prefix_host = $parsed['host'];
1243 // Is it in the format data@host.tld? - Used for mail contacts
1244 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1245 $mailparts = explode('@', $item['author-link']);
1246 $prefix_host = array_pop($mailparts);
1250 if (!empty($item['plink'])) {
1251 $guid = self::guidFromUri($item['plink'], $prefix_host);
1252 } elseif (!empty($item['uri'])) {
1253 $guid = self::guidFromUri($item['uri'], $prefix_host);
1255 $guid = System::createUUID(hash('crc32', $prefix_host));
1261 private static function contactId($item)
1263 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1264 return $item['contact-id'];
1265 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1266 return $item['contact-id'];
1267 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1268 return $item['author-id'];
1269 } elseif (!empty($item['contact-id'])) {
1270 return $item['contact-id'];
1272 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1273 if (!empty($contact_id)) {
1277 return $item['author-id'];
1280 // This function will finally cover most of the preparation functionality in mod/item.php
1281 public static function prepare(&$item)
1284 * @TODO: Unused code triggering inspection errors
1286 $data = BBCode::getAttachmentData($item['body']);
1287 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1288 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1289 $posttype = Item::PT_PAGE;
1290 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1296 * Write an item array into a spool file to be inserted later.
1297 * This command is called whenever there are issues storing an item.
1299 * @param array $item The item fields that are to be inserted
1300 * @throws \Exception
1302 private static function spool($orig_item)
1304 // Now we store the data in the spool directory
1305 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1306 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1308 $spoolpath = get_spoolpath();
1309 if ($spoolpath != "") {
1310 $spool = $spoolpath . '/' . $file;
1312 file_put_contents($spool, json_encode($orig_item));
1313 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1318 * Check if the item array is a duplicate
1320 * @param array $item
1321 * @return boolean is it a duplicate?
1323 private static function isDuplicate(array $item)
1325 // Checking if there is already an item with the same guid
1326 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1327 if (self::exists($condition)) {
1328 Logger::notice('Found already existing item', [
1329 'guid' => $item['guid'],
1330 'uid' => $item['uid'],
1331 'network' => $item['network']
1336 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1337 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1338 if (self::exists($condition)) {
1339 Logger::notice('duplicated item with the same uri found.', $item);
1343 // On Friendica and Diaspora the GUID is unique
1344 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1345 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1346 if (self::exists($condition)) {
1347 Logger::notice('duplicated item with the same guid found.', $item);
1350 } elseif ($item['network'] == Protocol::OSTATUS) {
1351 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1352 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1353 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1354 if (self::exists($condition)) {
1355 Logger::notice('duplicated item with the same body found.', $item);
1361 * Check for already added items.
1362 * There is a timing issue here that sometimes creates double postings.
1363 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1365 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1366 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1374 * Check if the item array is valid
1376 * @param array $item
1377 * @return boolean item is valid
1379 public static function isValid(array $item)
1381 // When there is no content then we don't post it
1382 if ($item['body'] . $item['title'] == '') {
1383 Logger::notice('No body, no title.');
1387 // check for create date and expire time
1388 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1390 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1391 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1392 $expire_interval = $user['expire'];
1395 if (($expire_interval > 0) && !empty($item['created'])) {
1396 $expire_date = time() - ($expire_interval * 86400);
1397 $created_date = strtotime($item['created']);
1398 if ($created_date < $expire_date) {
1399 Logger::notice('Item created before expiration interval.', [
1400 'created' => date('c', $created_date),
1401 'expired' => date('c', $expire_date),
1408 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1409 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1413 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1414 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1418 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1419 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1423 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1424 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1428 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
1432 if ($item['verb'] == Activity::FOLLOW) {
1433 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1434 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1435 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1439 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1440 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1441 if (self::exists($condition)) {
1442 // It happens that we receive multiple follow requests by the same author - we only store one.
1443 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1452 * Return the id of the given item array if it has been stored before
1454 * @param array $item
1455 * @return integer item id
1457 private static function getDuplicateID(array $item)
1459 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1460 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1461 trim($item['uri']), $item['uid'],
1462 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1463 $existing = self::selectFirst(['id', 'network'], $condition);
1464 if (DBA::isResult($existing)) {
1465 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1466 if ($item['uid'] != 0) {
1467 Logger::notice('Item already existed for user', [
1468 'uri' => $item['uri'],
1469 'uid' => $item['uid'],
1470 'network' => $item['network'],
1471 'existing_id' => $existing["id"],
1472 'existing_network' => $existing["network"]
1476 return $existing["id"];
1483 * Fetch top-level parent data for the given item array
1485 * @param array $item
1486 * @return array item array with parent data
1487 * @throws \Exception
1489 private static function getTopLevelParent(array $item)
1491 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
1492 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1493 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1494 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
1495 $params = ['order' => ['id' => false]];
1496 $parent = self::selectFirst($fields, $condition, $params);
1498 if (!DBA::isResult($parent)) {
1499 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
1503 if ($parent['uri'] == $parent['parent-uri']) {
1507 $condition = ['uri' => $parent['parent-uri'],
1508 'parent-uri' => $parent['parent-uri'],
1509 'uid' => $parent['uid']];
1510 // We select wall = 1 in priority for top level permission checks
1511 $params = ['order' => ['wall' => true]];
1512 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1514 if (!DBA::isResult($toplevel_parent)) {
1515 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
1519 if ($toplevel_parent['wall']
1520 && $toplevel_parent['uid']
1521 && !self::isAllowedByUser($item, $toplevel_parent['uid'])
1526 return $toplevel_parent;
1530 * Get the gravity for the given item array
1532 * @param array $item
1533 * @return integer gravity
1535 private static function getGravity(array $item)
1537 $activity = DI::activity();
1539 if (isset($item['gravity'])) {
1540 return intval($item['gravity']);
1541 } elseif ($item['parent-uri'] === $item['uri']) {
1542 return GRAVITY_PARENT;
1543 } elseif ($activity->match($item['verb'], Activity::POST)) {
1544 return GRAVITY_COMMENT;
1545 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1546 return GRAVITY_ACTIVITY;
1547 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1548 return GRAVITY_ACTIVITY;
1550 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1551 return GRAVITY_UNKNOWN; // Should not happen
1554 public static function insert($item, $notify = false, $dontcache = false)
1556 $structure = self::getItemFields();
1560 $priority = PRIORITY_HIGH;
1562 // If it is a posting where users should get notifications, then define it as wall posting
1565 $item['origin'] = 1;
1566 $item['network'] = Protocol::DFRN;
1567 $item['protocol'] = Conversation::PARCEL_DFRN;
1569 if (is_int($notify)) {
1570 $priority = $notify;
1573 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1576 $uid = intval($item['uid']);
1578 $item['guid'] = self::guid($item, $notify);
1579 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
1582 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1584 // Backward compatibility: parent-uri used to be the direct parent uri.
1585 // If it is provided without a thr-parent, it probably is the old behavior.
1586 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
1587 $item['parent-uri'] = $item['thr-parent'];
1589 // Store conversation data
1590 $item = Conversation::insert($item);
1593 * Do we already have this item?
1594 * We have to check several networks since Friendica posts could be repeated
1595 * via OStatus (maybe Diasporsa as well)
1597 $duplicate = self::getDuplicateID($item);
1602 // Additional duplicate checks
1603 /// @todo Check why the first duplication check returns the item number and the second a 0
1604 if (self::isDuplicate($item)) {
1608 $item['wall'] = intval($item['wall'] ?? 0);
1609 $item['extid'] = trim($item['extid'] ?? '');
1610 $item['author-name'] = trim($item['author-name'] ?? '');
1611 $item['author-link'] = trim($item['author-link'] ?? '');
1612 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1613 $item['owner-name'] = trim($item['owner-name'] ?? '');
1614 $item['owner-link'] = trim($item['owner-link'] ?? '');
1615 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1616 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1617 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1618 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1619 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1620 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1621 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1622 $item['location'] = trim($item['location'] ?? '');
1623 $item['coord'] = trim($item['coord'] ?? '');
1624 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1625 $item['deleted'] = 0;
1626 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1627 $item['verb'] = trim($item['verb'] ?? '');
1628 $item['object-type'] = trim($item['object-type'] ?? '');
1629 $item['object'] = trim($item['object'] ?? '');
1630 $item['target-type'] = trim($item['target-type'] ?? '');
1631 $item['target'] = trim($item['target'] ?? '');
1632 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1633 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1634 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1635 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1636 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1637 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1638 $item['body'] = trim($item['body'] ?? '');
1639 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
1640 $item['app'] = trim($item['app'] ?? '');
1641 $item['origin'] = intval($item['origin'] ?? 0);
1642 $item['postopts'] = trim($item['postopts'] ?? '');
1643 $item['resource-id'] = trim($item['resource-id'] ?? '');
1644 $item['event-id'] = intval($item['event-id'] ?? 0);
1645 $item['inform'] = trim($item['inform'] ?? '');
1646 $item['file'] = trim($item['file'] ?? '');
1648 // Items cannot be stored before they happen ...
1649 if ($item['created'] > DateTimeFormat::utcNow()) {
1650 $item['created'] = DateTimeFormat::utcNow();
1653 // We haven't invented time travel by now.
1654 if ($item['edited'] > DateTimeFormat::utcNow()) {
1655 $item['edited'] = DateTimeFormat::utcNow();
1658 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1660 $item['gravity'] = self::getGravity($item);
1662 $item['language'] = self::getLanguage($item);
1664 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1665 'photo' => $item['author-avatar'], 'network' => $item['network']];
1666 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1668 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1669 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1670 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1672 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1673 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1674 $item['post-type'] = self::PT_FOLLOWER;
1677 // Ensure that there is an avatar cache
1678 Contact::checkAvatarCache($item['author-id']);
1679 Contact::checkAvatarCache($item['owner-id']);
1681 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1682 $item["contact-id"] = self::contactId($item);
1684 if (!self::isValid($item)) {
1688 if ($item['gravity'] !== GRAVITY_PARENT) {
1689 $toplevel_parent = self::getTopLevelParent($item);
1690 if (empty($toplevel_parent)) {
1694 $parent_id = $toplevel_parent['id'];
1695 $item['parent-uri'] = $toplevel_parent['uri'];
1696 $item['deleted'] = $toplevel_parent['deleted'];
1697 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1698 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1699 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1700 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1701 $parent_origin = $toplevel_parent['origin'];
1703 // Don't federate received participation messages
1704 if ($item['verb'] != Activity::FOLLOW) {
1705 $item['wall'] = $toplevel_parent['wall'];
1707 $item['wall'] = false;
1711 * If the parent is private, force privacy for the entire conversation
1712 * This differs from the above settings as it subtly allows comments from
1713 * email correspondents to be private even if the overall thread is not.
1715 if ($toplevel_parent['private']) {
1716 $item['private'] = $toplevel_parent['private'];
1720 * Edge case. We host a public forum that was originally posted to privately.
1721 * The original author commented, but as this is a comment, the permissions
1722 * weren't fixed up so it will still show the comment as private unless we fix it here.
1724 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1725 $item['private'] = self::PUBLIC;
1728 // If its a post that originated here then tag the thread as "mention"
1729 if ($item['origin'] && $item['uid']) {
1730 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1731 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1734 // Update the contact relations
1735 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1737 unset($item['parent_origin']);
1740 $parent_origin = $item['origin'];
1743 // We don't store the causer link, only the id
1744 unset($item['causer-link']);
1746 // We don't store these fields anymore in the item table
1747 unset($item['author-link']);
1748 unset($item['author-name']);
1749 unset($item['author-avatar']);
1750 unset($item['author-network']);
1752 unset($item['owner-link']);
1753 unset($item['owner-name']);
1754 unset($item['owner-avatar']);
1756 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1757 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1759 // Is this item available in the global items (with uid=0)?
1760 if ($item["uid"] == 0) {
1761 $item["global"] = true;
1763 // Set the global flag on all items if this was a global item entry
1764 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1766 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1770 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1771 $item["private"] = self::PRIVATE;
1775 $item['edit'] = false;
1776 $item['parent'] = $parent_id;
1777 Hook::callAll('post_local', $item);
1778 unset($item['edit']);
1780 Hook::callAll('post_remote', $item);
1783 // Set after the insert because top-level posts are self-referencing
1784 unset($item['parent']);
1786 if (!empty($item['cancel'])) {
1787 Logger::log('post cancelled by addon.');
1791 if (empty($item['vid']) && !empty($item['verb'])) {
1792 $item['vid'] = Verb::getID($item['verb']);
1795 // Creates or assigns the permission set
1796 $item['psid'] = PermissionSet::getIdFromACL(
1804 unset($item['allow_cid']);
1805 unset($item['allow_gid']);
1806 unset($item['deny_cid']);
1807 unset($item['deny_gid']);
1809 // This array field is used to trigger some automatic reactions
1810 // It is mainly used in the "post_local" hook.
1811 unset($item['api_source']);
1813 if ($item['verb'] == Activity::ANNOUNCE) {
1814 self::setOwnerforResharedItem($item);
1817 // Remove all media attachments from the body and store them in the post-media table
1818 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1819 $item['raw-body'] = self::setHashtags($item['raw-body']);
1821 // Check for hashtags in the body and repair or add hashtag links
1822 $item['body'] = self::setHashtags($item['body']);
1824 if (!empty($item['attach'])) {
1825 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1828 // Fill the cache field
1829 self::putInCache($item);
1831 if (stristr($item['verb'], Activity::POKE)) {
1832 $notify_type = Delivery::POKE;
1834 $notify_type = Delivery::POST;
1837 if (!in_array($item['verb'], self::ACTIVITIES)) {
1838 $item['icid'] = self::insertContent($item);
1839 if (empty($item['icid'])) {
1840 // This shouldn't happen
1841 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1846 $body = $item['body'];
1847 $verb = $item['verb'];
1849 // We just remove everything that is content
1850 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1851 unset($item[$field]);
1854 unset($item['activity']);
1856 // Filling item related side tables
1858 // Diaspora signature
1859 if (!empty($item['diaspora_signed_text'])) {
1860 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1863 unset($item['diaspora_signed_text']);
1865 // Attached file links
1866 if (!empty($item['file'])) {
1867 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1870 unset($item['file']);
1872 // Delivery relevant data
1873 $delivery_data = Post\DeliveryData::extractFields($item);
1874 unset($item['postopts']);
1875 unset($item['inform']);
1877 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1878 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1881 // Store tags from the body if this hadn't been handled previously in the protocol classes
1882 if (!Tag::existsForPost($item['uri-id'])) {
1883 Tag::storeFromBody($item['uri-id'], $body);
1886 // Remove all fields that aren't part of the item table
1887 foreach ($item as $field => $value) {
1888 if (!in_array($field, $structure['item'])) {
1889 unset($item[$field]);
1893 if (DI::lock()->acquire(self::LOCK_INSERT, 0)) {
1894 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1895 if (DBA::exists('item', $condition)) {
1896 DI::lock()->release(self::LOCK_INSERT);
1897 Logger::notice('Item is already inserted - aborting', $condition);
1901 $result = DBA::insert('item', $item);
1903 // When the item was successfully stored we fetch the ID of the item.
1904 $current_post = DBA::lastInsertId();
1905 DI::lock()->release(self::LOCK_INSERT);
1907 Logger::warning('Item lock had not been acquired');
1912 if (empty($current_post) || !DBA::isResult($result)) {
1913 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1914 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1915 self::spool($orig_item);
1919 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1921 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1922 $parent_id = $current_post;
1926 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1928 $item['id'] = $current_post;
1929 $item['parent'] = $parent_id;
1931 // update the commented timestamp on the parent
1932 if (DI::config()->get('system', 'like_no_comment')) {
1933 // Update when it is a comment
1934 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1936 // Update when it isn't a follow or tag verb
1937 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1940 if ($update_commented) {
1941 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1943 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1946 if ($item['gravity'] === GRAVITY_PARENT) {
1947 self::addThread($current_post);
1949 self::updateThread($parent_id);
1952 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1953 if (self::tagDeliver($item['uid'], $current_post)) {
1954 // Get the user information for the logging
1955 $user = User::getById($uid);
1957 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1962 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1963 if (DBA::isResult($posted_item)) {
1965 Hook::callAll('post_local_end', $posted_item);
1967 Hook::callAll('post_remote_end', $posted_item);
1970 Logger::log('new item not found in DB, id ' . $current_post);
1974 if ($item['gravity'] === GRAVITY_PARENT) {
1975 self::addShadow($current_post);
1977 self::addShadowPost($current_post);
1980 self::updateContact($item);
1982 UserItem::setNotification($current_post);
1984 check_user_notification($current_post);
1986 // Distribute items to users who subscribed to their tags
1987 self::distributeByTags($item);
1989 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1992 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1993 // Don't relay participation messages
1994 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1995 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1996 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2002 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2005 return $current_post;
2009 * Change the owner of a parent item if it had been shared by a forum
2011 * (public) forum posts in the new format consist of the regular post by the author
2012 * followed by an announce message sent from the forum account.
2013 * Changing the owner helps in grouping forum posts.
2015 * @param array $item
2018 private static function setOwnerforResharedItem(array $item)
2020 $parent = self::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
2021 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2022 if (!DBA::isResult($parent)) {
2023 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2027 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2028 if (!DBA::isResult($author)) {
2029 Logger::error('Author not found', ['id' => $item['author-id']]);
2033 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2034 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2035 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2039 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2040 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
2041 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2045 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
2046 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2049 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
2050 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2054 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2055 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
2059 * Distribute the given item to users who subscribed to their tags
2061 * @param array $item Processed item
2063 private static function distributeByTags(array $item)
2065 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2069 $uids = Tag::getUIDListByURIId($item['uri-id']);
2070 foreach ($uids as $uid) {
2071 if (Contact::isSharing($item['author-id'], $uid)) {
2074 $fields = ['post-type' => self::PT_TAG];
2077 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2078 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2083 * Insert a new item content entry
2085 * @param array $item The item fields that are to be inserted
2086 * @throws \Exception
2088 private static function insertContent(array $item)
2090 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2092 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2093 if (isset($item[$field])) {
2094 $fields[$field] = $item[$field];
2098 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2099 if (DBA::isResult($item_content)) {
2100 $icid = $item_content['id'];
2101 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
2105 DBA::replace('item-content', $fields);
2107 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2108 if (DBA::isResult($item_content)) {
2109 $icid = $item_content['id'];
2110 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2114 // This shouldn't happen.
2115 Logger::error("Content wasn't inserted", $item);
2120 * Update existing item content entries
2122 * @param array $item The item fields that are to be changed
2123 * @param array $condition The condition for finding the item content entries
2124 * @throws \Exception
2126 private static function updateContent($item, $condition)
2128 // We have to select only the fields from the "item-content" table
2130 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2131 if (isset($item[$field])) {
2132 $fields[$field] = $item[$field];
2136 if (empty($fields)) {
2140 DBA::update('item-content', $fields, $condition, true);
2141 Logger::info('Updated content', ['condition' => $condition]);
2145 * Distributes public items to the receivers
2147 * @param integer $itemid Item ID that should be added
2148 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2149 * @throws \Exception
2151 public static function distribute($itemid, $signed_text = '')
2153 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2154 $parent = self::selectFirst(['owner-id'], $condition);
2155 if (!DBA::isResult($parent)) {
2159 // Only distribute public items from native networks
2160 $condition = ['id' => $itemid, 'uid' => 0,
2161 'network' => array_merge(Protocol::FEDERATED ,['']),
2162 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2163 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2164 if (!DBA::isResult($item)) {
2168 $origin = $item['origin'];
2172 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2173 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2174 if (!DBA::isResult($owner)) {
2178 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2179 $contacts = DBA::select('contact', ['uid'], $condition);
2180 while ($contact = DBA::fetch($contacts)) {
2181 if ($contact['uid'] == 0) {
2185 $users[$contact['uid']] = $contact['uid'];
2187 DBA::close($contacts);
2189 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2190 $contacts = DBA::select('contact', ['uid'], $condition);
2191 while ($contact = DBA::fetch($contacts)) {
2192 if ($contact['uid'] == 0) {
2196 $users[$contact['uid']] = $contact['uid'];
2198 DBA::close($contacts);
2200 if (!empty($owner['alias'])) {
2201 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2202 $contacts = DBA::select('contact', ['uid'], $condition);
2203 while ($contact = DBA::fetch($contacts)) {
2204 if ($contact['uid'] == 0) {
2208 $users[$contact['uid']] = $contact['uid'];
2210 DBA::close($contacts);
2215 if ($item['uri'] != $item['parent-uri']) {
2216 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2217 while ($parent = self::fetch($parents)) {
2218 $users[$parent['uid']] = $parent['uid'];
2219 if ($parent['origin'] && !$origin) {
2220 $origin_uid = $parent['uid'];
2225 foreach ($users as $uid) {
2226 if ($origin_uid == $uid) {
2227 $item['diaspora_signed_text'] = $signed_text;
2229 self::storeForUser($item, $uid);
2234 * Store a public item defined by their URI-ID for the given users
2236 * @param integer $uri_id URI-ID of the given item
2237 * @param integer $uid The user that will receive the item entry
2238 * @param array $fields Additional fields to be stored
2239 * @return integer stored item id
2241 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2243 $item = self::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2244 if (!DBA::isResult($item)) {
2248 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2249 Logger::notice('Item is private or not from a federated network. It will not be stored for the user.', ['uri-id' => $uri_id, 'uid' => $uid, 'private' => $item['private'], 'network' => $item['network']]);
2253 $item['post-type'] = self::PT_STORED;
2255 $item = array_merge($item, $fields);
2257 $stored = self::storeForUser($item, $uid);
2258 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2263 * Store a public item array for the given users
2265 * @param array $item The item entry that will be stored
2266 * @param integer $uid The user that will receive the item entry
2267 * @return integer stored item id
2268 * @throws \Exception
2270 private static function storeForUser(array $item, int $uid)
2272 if (self::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2273 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2278 unset($item['parent']);
2279 unset($item['mention']);
2280 unset($item['starred']);
2281 unset($item['unseen']);
2282 unset($item['psid']);
2284 $item['uid'] = $uid;
2285 $item['origin'] = 0;
2288 if ($item['gravity'] == GRAVITY_PARENT) {
2289 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2291 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2294 if (!empty($contact['id'])) {
2295 $item['contact-id'] = $contact['id'];
2297 // Shouldn't happen at all
2298 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2299 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2300 if (!DBA::isResult($self)) {
2301 // Shouldn't happen even less
2302 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2305 $item['contact-id'] = $self['id'];
2308 /// @todo Handling of "event-id"
2311 if ($item['gravity'] == GRAVITY_PARENT) {
2312 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2313 if (DBA::isResult($contact)) {
2314 $notify = self::isRemoteSelf($contact, $item);
2318 $distributed = self::insert($item, $notify, true);
2320 if (!$distributed) {
2321 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2323 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2325 return $distributed;
2329 * Add a shadow entry for a given item id that is a thread starter
2331 * We store every public item entry additionally with the user id "0".
2332 * This is used for the community page and for the search.
2333 * It is planned that in the future we will store public item entries only once.
2335 * @param integer $itemid Item ID that should be added
2336 * @throws \Exception
2338 private static function addShadow($itemid)
2340 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2341 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2342 $item = self::selectFirst($fields, $condition);
2344 if (!DBA::isResult($item)) {
2348 // is it already a copy?
2349 if (($itemid == 0) || ($item['uid'] == 0)) {
2353 // Is it a visible public post?
2354 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2358 // is it an entry from a connector? Only add an entry for natively connected networks
2359 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2363 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2367 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2369 if (DBA::isResult($item)) {
2370 // Preparing public shadow (removing user specific data)
2373 unset($item['parent']);
2374 unset($item['wall']);
2375 unset($item['mention']);
2376 unset($item['origin']);
2377 unset($item['starred']);
2378 unset($item['postopts']);
2379 unset($item['inform']);
2380 unset($item['post-type']);
2381 if ($item['uri'] == $item['parent-uri']) {
2382 $item['contact-id'] = $item['owner-id'];
2384 $item['contact-id'] = $item['author-id'];
2387 $public_shadow = self::insert($item, false, true);
2389 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2394 * Add a shadow entry for a given item id that is a comment
2396 * This function does the same like the function above - but for comments
2398 * @param integer $itemid Item ID that should be added
2399 * @throws \Exception
2401 private static function addShadowPost($itemid)
2403 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2404 if (!DBA::isResult($item)) {
2408 // Is it a toplevel post?
2409 if ($item['gravity'] == GRAVITY_PARENT) {
2410 self::addShadow($itemid);
2414 // Is this a shadow entry?
2415 if ($item['uid'] == 0) {
2419 // Is there a shadow parent?
2420 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2424 // Is there already a shadow entry?
2425 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2429 // Save "origin" and "parent" state
2430 $origin = $item['origin'];
2431 $parent = $item['parent'];
2433 // Preparing public shadow (removing user specific data)
2436 unset($item['parent']);
2437 unset($item['wall']);
2438 unset($item['mention']);
2439 unset($item['origin']);
2440 unset($item['starred']);
2441 unset($item['postopts']);
2442 unset($item['inform']);
2443 unset($item['post-type']);
2444 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2446 $public_shadow = self::insert($item, false, true);
2448 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2450 // If this was a comment to a Diaspora post we don't get our comment back.
2451 // This means that we have to distribute the comment by ourselves.
2452 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2453 self::distribute($public_shadow);
2458 * Adds a language specification in a "language" element of given $arr.
2459 * Expects "body" element to exist in $arr.
2461 * @param array $item
2462 * @return string detected language
2463 * @throws \Text_LanguageDetect_Exception
2465 private static function getLanguage(array $item)
2467 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
2471 // Convert attachments to links
2472 $naked_body = BBCode::removeAttachment($item['body']);
2473 if (empty($naked_body)) {
2477 // Remove links and pictures
2478 $naked_body = BBCode::removeLinks($naked_body);
2480 // Convert the title and the body to plain text
2481 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
2483 // Remove possibly remaining links
2484 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2486 if (empty($naked_body)) {
2490 $ld = new Language(DI::l10n()->getAvailableLanguages());
2491 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2492 if (is_array($languages)) {
2493 return json_encode($languages);
2499 public static function getLanguageMessage(array $item)
2501 $iso639 = new \Matriphe\ISO639\ISO639;
2503 $used_languages = '';
2504 foreach (json_decode($item['language'], true) as $language => $reliability) {
2505 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2507 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2508 return $used_languages;
2512 * Creates an unique guid out of a given uri
2514 * @param string $uri uri of an item entry
2515 * @param string $host hostname for the GUID prefix
2516 * @return string unique guid
2518 public static function guidFromUri($uri, $host)
2520 // Our regular guid routine is using this kind of prefix as well
2521 // We have to avoid that different routines could accidentally create the same value
2522 $parsed = parse_url($uri);
2524 // We use a hash of the hostname as prefix for the guid
2525 $guid_prefix = hash("crc32", $host);
2527 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2528 unset($parsed["scheme"]);
2530 // Glue it together to be able to make a hash from it
2531 $host_id = implode("/", $parsed);
2533 // We could use any hash algorithm since it isn't a security issue
2534 $host_hash = hash("ripemd128", $host_id);
2536 return $guid_prefix.$host_hash;
2540 * generate an unique URI
2542 * @param integer $uid User id
2543 * @param string $guid An existing GUID (Otherwise it will be generated)
2546 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2548 public static function newURI($uid, $guid = "")
2551 $guid = System::createUUID();
2554 return DI::baseUrl()->get() . '/objects/' . $guid;
2558 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2560 * This can be used to filter for inactive contacts.
2561 * Only do this for public postings to avoid privacy problems, since poco data is public.
2562 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2564 * @param array $arr Contains the just posted item record
2565 * @throws \Exception
2567 private static function updateContact($arr)
2569 // Unarchive the author
2570 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2571 if (DBA::isResult($contact)) {
2572 Contact::unmarkForArchival($contact);
2575 // Unarchive the contact if it's not our own contact
2576 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2577 if (DBA::isResult($contact)) {
2578 Contact::unmarkForArchival($contact);
2581 /// @todo On private posts we could obfuscate the date
2582 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2584 // Is it a forum? Then we don't care about the rules from above
2585 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2586 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2592 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2593 // So we have to ensure to only update the last item when it had been our own post,
2594 // or it had been done by a "regular" contact.
2595 if (!empty($arr['wall'])) {
2596 $condition = ['id' => $arr['contact-id']];
2598 $condition = ['id' => $arr['contact-id'], 'self' => false];
2600 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2602 // Now do the same for the system wide contacts with uid=0
2603 if ($arr['private'] != self::PRIVATE) {
2604 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2605 ['id' => $arr['owner-id']]);
2607 if ($arr['owner-id'] != $arr['author-id']) {
2608 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2609 ['id' => $arr['author-id']]);
2614 public static function setHashtags($body)
2616 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2617 $tags = BBCode::getTags($body);
2620 if (!count($tags)) {
2624 // This sorting is important when there are hashtags that are part of other hashtags
2625 // Otherwise there could be problems with hashtags like #test and #test2
2626 // Because of this we are sorting from the longest to the shortest tag.
2627 usort($tags, function ($a, $b) {
2628 return strlen($b) <=> strlen($a);
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 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2636 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2639 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2640 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2642 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2645 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2647 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2650 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2652 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2655 // Repair recursive urls
2656 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2659 foreach ($tags as $tag) {
2660 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2664 $basetag = str_replace('_', ' ', substr($tag, 1));
2665 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2667 $body = str_replace($tag, $newtag, $body);
2670 // Convert back the masked hashtags
2671 $body = str_replace("#", "#", $body);
2680 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2683 * @param int $item_id
2684 * @return boolean true if item was deleted, else false
2685 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2686 * @throws \ImagickException
2688 private static function tagDeliver($uid, $item_id)
2692 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2693 if (!DBA::isResult($user)) {
2697 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2698 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2700 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2701 if (!DBA::isResult($item)) {
2705 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2708 * Diaspora uses their own hardwired link URL in @-tags
2709 * instead of the one we supply with webfinger
2711 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2713 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2715 foreach ($matches as $mtch) {
2716 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2718 Logger::log('mention found: ' . $mtch[2]);
2724 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2725 foreach ($tags as $tag) {
2726 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2728 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2734 if (($community_page || $prvgroup) &&
2735 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2736 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2737 DBA::delete('item', ['id' => $item_id]);
2743 $arr = ['item' => $item, 'user' => $user];
2745 Hook::callAll('tagged', $arr);
2747 if (!$community_page && !$prvgroup) {
2752 * tgroup delivery - setup a second delivery chain
2753 * prevent delivery looping - only proceed
2754 * if the message originated elsewhere and is a top-level post
2756 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2760 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2761 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2762 if (!DBA::isResult($self)) {
2766 $owner_id = Contact::getIdForURL($self['url']);
2768 // also reset all the privacy bits to the forum default permissions
2770 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2772 $psid = PermissionSet::getIdFromACL(
2780 $forum_mode = ($prvgroup ? 2 : 1);
2782 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2783 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2784 self::update($fields, ['id' => $item_id]);
2786 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2788 Item::performActivity($item_id, 'announce', $uid);
2793 public static function isRemoteSelf($contact, &$datarray)
2795 if (!$contact['remote_self']) {
2799 // Prevent the forwarding of posts that are forwarded
2800 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2801 Logger::info('Already forwarded');
2805 // Prevent to forward already forwarded posts
2806 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2807 Logger::info('Already forwarded (second test)');
2811 // Only forward posts
2812 if ($datarray["verb"] != Activity::POST) {
2813 Logger::info('No post');
2817 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2818 Logger::info('Not public');
2822 $datarray2 = $datarray;
2823 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2824 if ($contact['remote_self'] == 2) {
2825 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2826 ['uid' => $contact['uid'], 'self' => true]);
2827 if (DBA::isResult($self)) {
2828 $datarray['contact-id'] = $self["id"];
2830 $datarray['owner-name'] = $self["name"];
2831 $datarray['owner-link'] = $self["url"];
2832 $datarray['owner-avatar'] = $self["thumb"];
2834 $datarray['author-name'] = $datarray['owner-name'];
2835 $datarray['author-link'] = $datarray['owner-link'];
2836 $datarray['author-avatar'] = $datarray['owner-avatar'];
2838 unset($datarray['edited']);
2840 unset($datarray['network']);
2841 unset($datarray['owner-id']);
2842 unset($datarray['author-id']);
2845 if ($contact['network'] != Protocol::FEED) {
2846 $old_uri_id = $datarray["uri-id"] ?? 0;
2847 $datarray["guid"] = System::createUUID();
2848 unset($datarray["plink"]);
2849 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2850 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2851 $datarray["extid"] = Protocol::DFRN;
2852 $urlpart = parse_url($datarray2['author-link']);
2853 $datarray["app"] = $urlpart["host"];
2854 if (!empty($old_uri_id)) {
2855 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2858 unset($datarray["parent-uri"]);
2859 unset($datarray["thr-parent"]);
2861 $datarray['private'] = self::PUBLIC;
2865 if ($contact['network'] != Protocol::FEED) {
2866 // Store the original post
2867 $result = self::insert($datarray2);
2868 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2870 $datarray["app"] = "Feed";
2874 // Trigger automatic reactions for addons
2875 $datarray['api_source'] = true;
2877 // We have to tell the hooks who we are - this really should be improved
2878 $_SESSION["authenticated"] = true;
2879 $_SESSION["uid"] = $contact['uid'];
2888 * @param array $item
2891 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2892 * @throws \ImagickException
2894 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2896 if (DI::config()->get('system', 'disable_embedded')) {
2900 Logger::info('check for photos');
2901 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2906 $img_start = strpos($orig_body, '[img');
2907 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2908 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2910 while (($img_st_close !== false) && ($img_len !== false)) {
2911 $img_st_close++; // make it point to AFTER the closing bracket
2912 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2914 Logger::info('found photo', ['image' => $image]);
2916 if (stristr($image, $site . '/photo/')) {
2917 // Only embed locally hosted photos
2919 $i = basename($image);
2920 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2921 $x = strpos($i, '-');
2924 $res = substr($i, $x + 1);
2925 $i = substr($i, 0, $x);
2926 $photo = Photo::getPhotoForUser($uid, $i, $res);
2927 if (DBA::isResult($photo)) {
2929 * Check to see if we should replace this photo link with an embedded image
2930 * 1. No need to do so if the photo is public
2931 * 2. If there's a contact-id provided, see if they're in the access list
2932 * for the photo. If so, embed it.
2933 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2934 * permissions, regardless of order but first check to see if they're an exact
2935 * match to save some processing overhead.
2937 if (self::hasPermissions($photo)) {
2939 $recips = self::enumeratePermissions($photo);
2940 if (in_array($cid, $recips)) {
2944 if (self::samePermissions($uid, $item, $photo)) {
2950 $photo_img = Photo::getImageForPhoto($photo);
2951 // If a custom width and height were specified, apply before embedding
2952 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2953 Logger::info('scaling photo');
2955 $width = intval($match[1]);
2956 $height = intval($match[2]);
2958 $photo_img->scaleDown(max($width, $height));
2961 $data = $photo_img->asString();
2962 $type = $photo_img->getType();
2964 Logger::info('replacing photo');
2965 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2966 Logger::debug('replaced', ['image' => $image]);
2972 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2973 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2974 if ($orig_body === false) {
2978 $img_start = strpos($orig_body, '[img');
2979 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2980 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2983 $new_body = $new_body . $orig_body;
2988 private static function hasPermissions($obj)
2990 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2991 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2994 private static function samePermissions($uid, $obj1, $obj2)
2996 // first part is easy. Check that these are exactly the same.
2997 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2998 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2999 && ($obj1['deny_cid'] == $obj2['deny_cid'])
3000 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
3004 // This is harder. Parse all the permissions and compare the resulting set.
3005 $recipients1 = self::enumeratePermissions($obj1);
3006 $recipients2 = self::enumeratePermissions($obj2);
3010 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
3011 return ($recipients1 == $recipients2);
3015 * Returns an array of contact-ids that are allowed to see this object
3017 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3018 * @param bool $check_dead Prunes unavailable contacts from the result
3020 * @throws \Exception
3022 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3024 $aclFormater = DI::aclFormatter();
3026 $allow_people = $aclFormater->expand($obj['allow_cid']);
3027 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3028 $deny_people = $aclFormater->expand($obj['deny_cid']);
3029 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3030 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3031 $deny = array_unique(array_merge($deny_people, $deny_groups));
3032 $recipients = array_diff($recipients, $deny);
3036 public static function expire($uid, $days, $network = "", $force = false)
3038 if (!$uid || ($days < 1)) {
3042 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
3043 $uid, GRAVITY_PARENT];
3046 * $expire_network_only = save your own wall posts
3047 * and just expire conversations started by others
3049 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3051 if ($expire_network_only) {
3052 $condition[0] .= " AND NOT `wall`";
3055 if ($network != "") {
3056 $condition[0] .= " AND `network` = ?";
3057 $condition[] = $network;
3060 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3061 $condition[] = $days;
3063 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3065 if (!DBA::isResult($items)) {
3069 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3071 // Forcing expiring of items - but not notes and marked items
3073 $expire_items = true;
3076 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3077 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3078 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3082 while ($item = Item::fetch($items)) {
3083 // don't expire filed items
3085 if (strpos($item['file'], '[') !== false) {
3089 // Only expire posts, not photos and photo comments
3091 if (!$expire_photos && strlen($item['resource-id'])) {
3093 } elseif (!$expire_starred && intval($item['starred'])) {
3095 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3097 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3101 self::markForDeletionById($item['id'], PRIORITY_LOW);
3106 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3109 public static function firstPostDate($uid, $wall = false)
3111 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3112 $params = ['order' => ['received' => false]];
3113 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3114 if (DBA::isResult($thread)) {
3115 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3121 * add/remove activity to an item
3123 * Toggle activities as like,dislike,attend of an item
3125 * @param int $item_id
3126 * @param string $verb
3127 * Activity verb. One of
3128 * like, unlike, dislike, undislike, attendyes, unattendyes,
3129 * attendno, unattendno, attendmaybe, unattendmaybe,
3130 * announce, unannouce
3132 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3133 * @throws \ImagickException
3134 * @hook 'post_local_end'
3136 * 'post_id' => ID of posted item
3138 public static function performActivity(int $item_id, string $verb, int $uid)
3144 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3146 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3147 if (!DBA::isResult($item)) {
3148 Logger::log('like: unknown item ' . $item_id);
3152 $item_uri = $item['uri'];
3154 if (!in_array($item['uid'], [0, $uid])) {
3158 if (!Item::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3159 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3160 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3161 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3162 if (!DBA::isResult($item)) {
3163 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3169 // Retrieves the local post owner
3170 $owner = User::getOwnerDataById($uid);
3171 if (empty($owner)) {
3172 Logger::info('Empty owner for user', ['uid' => $uid]);
3176 // Retrieve the current logged in user's public contact
3177 $author_id = Contact::getIdForURL($owner['url']);
3178 if (empty($author_id)) {
3179 Logger::info('Empty public contact');
3187 $activity = Activity::LIKE;
3191 $activity = Activity::DISLIKE;
3195 $activity = Activity::ATTEND;
3199 $activity = Activity::ATTENDNO;
3202 case 'unattendmaybe':
3203 $activity = Activity::ATTENDMAYBE;
3207 $activity = Activity::FOLLOW;
3211 $activity = Activity::ANNOUNCE;
3214 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3218 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3220 // Enable activity toggling instead of on/off
3221 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3223 // Look for an existing verb row
3224 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3225 if ($event_verb_flag) {
3226 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3228 // Translate to the index based activity index
3230 foreach ($verbs as $verb) {
3231 $vids[] = Verb::getID($verb);
3234 $vids = Verb::getID($activity);
3237 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3238 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3239 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3241 if (DBA::isResult($like_item)) {
3243 * Truth table for existing activities
3245 * | Inputs || Outputs |
3246 * |----------------------------||-------------------|
3247 * | Mode | Event | Same verb || Delete? | Return? |
3248 * |--------|-------|-----------||---------|---------|
3249 * | create | Yes | Yes || No | Yes |
3250 * | create | Yes | No || Yes | No |
3251 * | create | No | Yes || No | Yes |
3252 * | create | No | No || N/A†|
3253 * | delete | Yes | Yes || Yes | N/A‡ |
3254 * | delete | Yes | No || No | N/A‡ |
3255 * | delete | No | Yes || Yes | N/A‡ |
3256 * | delete | No | No || N/A†|
3257 * |--------|-------|-----------||---------|---------|
3258 * | A | B | C || A xor C | !B or C |
3260 * †Can't happen: It's impossible to find an existing non-event activity without
3261 * the same verb because we are only looking for this single verb.
3263 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3265 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3266 self::markForDeletionById($like_item['id']);
3269 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3274 // No need to go further if we aren't creating anything
3275 if ($mode == 'delete') {
3279 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3282 'guid' => System::createUUID(),
3283 'uri' => self::newURI($item['uid']),
3284 'uid' => $item['uid'],
3285 'contact-id' => $owner['id'],
3286 'wall' => $item['wall'],
3288 'network' => Protocol::DFRN,
3289 'gravity' => GRAVITY_ACTIVITY,
3290 'parent' => $item['id'],
3291 'thr-parent' => $item['uri'],
3292 'owner-id' => $author_id,
3293 'author-id' => $author_id,
3294 'body' => $activity,
3295 'verb' => $activity,
3296 'object-type' => $objtype,
3297 'allow_cid' => $item['allow_cid'],
3298 'allow_gid' => $item['allow_gid'],
3299 'deny_cid' => $item['deny_cid'],
3300 'deny_gid' => $item['deny_gid'],
3305 $signed = Diaspora::createLikeSignature($uid, $new_item);
3306 if (!empty($signed)) {
3307 $new_item['diaspora_signed_text'] = json_encode($signed);
3310 $new_item_id = self::insert($new_item);
3312 // If the parent item isn't visible then set it to visible
3313 if (!$item['visible']) {
3314 self::update(['visible' => true], ['id' => $item['id']]);
3317 $new_item['id'] = $new_item_id;
3319 Hook::callAll('post_local_end', $new_item);
3324 private static function addThread($itemid, $onlyshadow = false)
3326 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3327 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3328 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3329 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3330 $item = self::selectFirst($fields, $condition);
3332 if (!DBA::isResult($item)) {
3336 $item['iid'] = $itemid;
3339 $result = DBA::replace('thread', $item);
3341 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3345 private static function updateThread($itemid, $setmention = false)
3347 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3348 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3349 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3351 $item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3352 if (!DBA::isResult($item)) {
3357 $item["mention"] = 1;
3362 foreach ($item as $field => $data) {
3363 if (!in_array($field, ["guid"])) {
3364 $fields[$field] = $data;
3368 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3370 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3373 private static function deleteThread($itemid, $itemuri = "")
3375 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3376 if (!DBA::isResult($item)) {
3377 Logger::info('No thread found', ['id' => $itemid]);
3381 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3383 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3385 if ($itemuri != "") {
3386 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3387 if (!self::exists($condition)) {
3388 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3389 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3395 * Fetch the SQL condition for the given user id
3397 * @param integer $owner_id User ID for which the permissions should be fetched
3398 * @return array condition
3400 public static function getPermissionsConditionArrayByUserId(int $owner_id)
3402 $local_user = local_user();
3403 $remote_user = Session::getRemoteContactID($owner_id);
3405 // default permissions - anonymous user
3406 $condition = ["`private` != ?", self::PRIVATE];
3408 if ($local_user && ($local_user == $owner_id)) {
3409 // Profile owner - everything is visible
3411 } elseif ($remote_user) {
3412 // Authenticated visitor - fetch the matching permissionsets
3413 $set = PermissionSet::get($owner_id, $remote_user);
3415 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
3416 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3417 Item::PRIVATE, Item::PRIVATE];
3418 $condition = array_merge($condition, $set);
3425 public static function getPermissionsSQLByUserId($owner_id)
3427 $local_user = local_user();
3428 $remote_user = Session::getRemoteContactID($owner_id);
3431 * Construct permissions
3433 * default permissions - anonymous user
3435 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3437 // Profile owner - everything is visible
3438 if ($local_user && ($local_user == $owner_id)) {
3440 } elseif ($remote_user) {
3442 * Authenticated visitor. Unless pre-verified,
3443 * check that the contact belongs to this $owner_id
3444 * and load the groups the visitor belongs to.
3445 * If pre-verified, the caller is expected to have already
3446 * done this and passed the groups into this function.
3448 $set = PermissionSet::get($owner_id, $remote_user);
3451 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3456 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3463 * get translated item type
3468 public static function postType($item)
3470 if (!empty($item['event-id'])) {
3471 return DI::l10n()->t('event');
3472 } elseif (!empty($item['resource-id'])) {
3473 return DI::l10n()->t('photo');
3474 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3475 return DI::l10n()->t('activity');
3476 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3477 return DI::l10n()->t('comment');
3480 return DI::l10n()->t('post');
3484 * Sets the "rendered-html" field of the provided item
3486 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3488 * @param array $item
3489 * @param bool $update
3491 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3492 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3494 public static function putInCache(&$item, $update = false)
3496 $body = $item["body"];
3498 $rendered_hash = $item['rendered-hash'] ?? '';
3499 $rendered_html = $item['rendered-html'] ?? '';
3501 if ($rendered_hash == ''
3502 || $rendered_html == ""
3503 || $rendered_hash != hash("md5", $item["body"])
3504 || DI::config()->get("system", "ignore_cache")
3506 self::addRedirToImageTags($item);
3508 $item["rendered-html"] = BBCode::convert($item["body"]);
3509 $item["rendered-hash"] = hash("md5", $item["body"]);
3511 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3512 Hook::callAll('put_item_in_cache', $hook_data);
3513 $item['rendered-html'] = $hook_data['rendered-html'];
3514 $item['rendered-hash'] = $hook_data['rendered-hash'];
3517 // Force an update if the generated values differ from the existing ones
3518 if ($rendered_hash != $item["rendered-hash"]) {
3522 // Only compare the HTML when we forcefully ignore the cache
3523 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3527 if ($update && !empty($item["id"])) {
3530 'rendered-html' => $item["rendered-html"],
3531 'rendered-hash' => $item["rendered-hash"]
3533 ['id' => $item["id"]]
3538 $item["body"] = $body;
3542 * Find any non-embedded images in private items and add redir links to them
3544 * @param array &$item The field array of an item row
3546 private static function addRedirToImageTags(array &$item)
3551 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3553 foreach ($matches as $mtch) {
3554 if (strpos($mtch[1], '/redir') !== false) {
3558 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3559 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3560 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3567 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3568 * If attach is true, also add icons for item attachments.
3570 * @param array $item
3571 * @param boolean $attach
3572 * @param boolean $is_preview
3573 * @return string item body html
3574 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3575 * @throws \ImagickException
3576 * @hook prepare_body_init item array before any work
3577 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3578 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3579 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3581 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3584 Hook::callAll('prepare_body_init', $item);
3586 // In order to provide theme developers more possibilities, event items
3587 // are treated differently.
3588 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3589 $ev = Event::getItemHTML($item);
3593 $tags = Tag::populateFromItem($item);
3595 $item['tags'] = $tags['tags'];
3596 $item['hashtags'] = $tags['hashtags'];
3597 $item['mentions'] = $tags['mentions'];
3599 // Compile eventual content filter reasons
3600 $filter_reasons = [];
3601 if (!$is_preview && public_contact() != $item['author-id']) {
3602 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3603 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3608 'filter_reasons' => $filter_reasons
3610 Hook::callAll('prepare_body_content_filter', $hook_data);
3611 $filter_reasons = $hook_data['filter_reasons'];
3615 // Update the cached values if there is no "zrl=..." on the links.
3616 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3618 // Or update it if the current viewer is the intented viewer.
3619 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3623 self::putInCache($item, $update);
3624 $s = $item["rendered-html"];
3629 'preview' => $is_preview,
3630 'filter_reasons' => $filter_reasons
3632 Hook::callAll('prepare_body', $hook_data);
3633 $s = $hook_data['html'];
3637 // Replace the blockquotes with quotes that are used in mails.
3638 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3639 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3645 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
3646 $mime = $attachment['mimetype'];
3648 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
3650 if (strpos($mime, 'video') !== false) {
3653 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3656 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3658 'id' => $item['author-id'],
3659 'title' => DI::l10n()->t('View Video'),
3666 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3668 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3669 $filesubtype = str_replace('.', '-', $filesubtype);
3672 $filesubtype = 'unkn';
3675 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3676 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
3678 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3679 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3683 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3687 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3688 $x = Map::byCoordinates(trim($item['coord']));
3690 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3694 // Replace friendica image url size with theme preference.
3695 if (!empty($a->theme_info['item_image_size'])) {
3696 $ps = $a->theme_info['item_image_size'];
3697 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3700 $s = HTML::applyContentFilter($s, $filter_reasons);
3702 $hook_data = ['item' => $item, 'html' => $s];
3703 Hook::callAll('prepare_body_final', $hook_data);
3705 return $hook_data['html'];
3709 * get private link for item
3711 * @param array $item
3712 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3713 * @throws \Exception
3715 public static function getPlink($item)
3719 'href' => "display/" . $item['guid'],
3720 'orig' => "display/" . $item['guid'],
3721 'title' => DI::l10n()->t('View on separate page'),
3722 'orig_title' => DI::l10n()->t('view on separate page'),
3725 if (!empty($item['plink'])) {
3726 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3727 $ret["title"] = DI::l10n()->t('link to source');
3729 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3731 'href' => $item['plink'],
3732 'orig' => $item['plink'],
3733 'title' => DI::l10n()->t('link to source'),
3743 * Is the given item array a post that is sent as starting post to a forum?
3745 * @param array $item
3746 * @param array $owner
3748 * @return boolean "true" when it is a forum post
3750 public static function isForumPost(array $item, array $owner = [])
3752 if (empty($owner)) {
3753 $owner = User::getOwnerDataById($item['uid']);
3754 if (empty($owner)) {
3759 if (($item['author-id'] == $item['owner-id']) ||
3760 ($owner['id'] == $item['contact-id']) ||
3761 ($item['uri'] != $item['parent-uri']) ||
3766 return Contact::isForum($item['contact-id']);
3770 * Search item id for given URI or plink
3772 * @param string $uri
3773 * @param integer $uid
3775 * @return integer item id
3777 public static function searchByLink($uri, $uid = 0)
3779 $ssl_uri = str_replace('http://', 'https://', $uri);
3780 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3782 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3783 if (DBA::isResult($item)) {
3787 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3788 if (!DBA::isResult($itemcontent)) {
3792 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3793 if (!DBA::isResult($itemuri)) {
3797 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3798 if (DBA::isResult($item)) {
3806 * Return the URI for a link to the post
3808 * @param string $uri URI or link to post
3810 * @return string URI
3812 public static function getURIByLink(string $uri)
3814 $ssl_uri = str_replace('http://', 'https://', $uri);
3815 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3817 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3818 if (DBA::isResult($item)) {
3819 return $item['uri'];
3822 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3823 if (!DBA::isResult($itemcontent)) {
3827 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3828 if (DBA::isResult($itemuri)) {
3829 return $itemuri['uri'];
3836 * Fetches item for given URI or plink
3838 * @param string $uri
3839 * @param integer $uid
3841 * @return integer item id
3843 public static function fetchByLink(string $uri, int $uid = 0)
3845 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3846 $item_id = self::searchByLink($uri, $uid);
3847 if (!empty($item_id)) {
3848 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3852 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3853 $item_id = self::searchByLink($fetched_uri, $uid);
3855 $item_id = Diaspora::fetchByURL($uri);
3858 if (!empty($item_id)) {
3859 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3863 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3868 * Return share data from an item array (if the item is shared item)
3869 * We are providing the complete Item array, because at some time in the future
3870 * we hopefully will define these values not in the body anymore but in some item fields.
3871 * This function is meant to replace all similar functions in the system.
3873 * @param array $item
3875 * @return array with share information
3877 public static function getShareArray($item)
3879 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3883 $attribute_string = $matches[2];
3884 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3885 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3886 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3887 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3894 * Fetch item information for shared items from the original items and adds it.
3896 * @param array $item
3898 * @return array item array with data from the original item
3900 public static function addShareDataFromOriginal(array $item)
3902 $shared = self::getShareArray($item);
3903 if (empty($shared)) {
3907 // Real reshares always have got a GUID.
3908 if (empty($shared['guid'])) {
3912 $uid = $item['uid'] ?? 0;
3914 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3915 $shared_item = self::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3916 if (!DBA::isResult($shared_item)) {
3917 if (empty($shared['link'])) {
3921 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3922 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3924 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3928 $shared_item = self::selectFirst(['title', 'body'], ['id' => $id]);
3929 if (!DBA::isResult($shared_item)) {
3932 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3934 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3937 if (!empty($shared_item['title'])) {
3938 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3939 unset($shared_item['title']);
3941 $body = $shared_item['body'];
3944 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3945 unset($shared_item['body']);
3947 return array_merge($item, $shared_item);
3951 * Check a prospective item array against user-level permissions
3953 * @param array $item Expected keys: uri, gravity, and
3954 * author-link if is author-id is set,
3955 * owner-link if is owner-id is set,
3956 * causer-link if is causer-id is set.
3957 * @param int $user_id Local user ID
3959 * @throws \Exception
3961 protected static function isAllowedByUser(array $item, int $user_id)
3963 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3964 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3968 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3969 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3973 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3974 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3975 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3979 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3980 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);