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_ITEM = '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', 'attach', '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 'attach', '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'];
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', 'attach', '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', 'attach', '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($content_fields['verb'], self::ACTIVITIES)) {
971 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
973 if (empty($item['icid'])) {
974 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
975 if (DBA::isResult($item_content)) {
976 $item_fields = ['icid' => $item_content['id']];
977 // Clear all fields in the item table that have a content in the item-content table
978 if (self::isLegacyMode()) {
979 foreach ($item_content as $field => $content) {
980 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
981 $item_fields[$field] = null;
985 DBA::update('item', $item_fields, ['id' => $item['id']]);
990 if (!is_null($files)) {
991 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
992 if (!empty($item['file'])) {
993 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
997 Post\DeliveryData::update($item['uri-id'], $delivery_data);
999 self::updateThread($item['id']);
1001 // We only need to notfiy others when it is an original entry from us.
1002 // Only call the notifier when the item has some content relevant change.
1003 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1004 $notify_items[] = $item['id'];
1011 foreach ($notify_items as $notify_item) {
1012 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1019 * Delete an item and notify others about it - if it was ours
1021 * @param array $condition The condition for finding the item entries
1022 * @param integer $priority Priority for the notification
1023 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1025 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1027 $items = self::select(['id'], $condition);
1028 while ($item = self::fetch($items)) {
1029 self::markForDeletionById($item['id'], $priority);
1035 * Delete an item for an user and notify others about it - if it was ours
1037 * @param array $condition The condition for finding the item entries
1038 * @param integer $uid User who wants to delete this item
1039 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1041 public static function deleteForUser($condition, $uid)
1047 $items = self::select(['id', 'uid'], $condition);
1048 while ($item = self::fetch($items)) {
1049 // "Deleting" global items just means hiding them
1050 if ($item['uid'] == 0) {
1051 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1053 // Delete notifications
1054 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1055 } elseif ($item['uid'] == $uid) {
1056 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1058 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1065 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1067 * @param integer $item_id
1068 * @param integer $priority Priority for the notification
1070 * @return boolean success
1071 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1073 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1075 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1076 // locate item to be deleted
1077 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1078 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1079 'verb', 'object-type', 'object', 'target', 'contact-id',
1080 'icid', 'psid', 'gravity'];
1081 $item = self::selectFirst($fields, ['id' => $item_id]);
1082 if (!DBA::isResult($item)) {
1083 Logger::info('Item not found.', ['id' => $item_id]);
1087 if ($item['deleted']) {
1088 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1092 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1093 if (!DBA::isResult($parent)) {
1094 $parent = ['origin' => false];
1097 // clean up categories and tags so they don't end up as orphans
1100 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1103 foreach ($matches as $mtch) {
1104 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1110 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1113 foreach ($matches as $mtch) {
1114 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1119 * If item is a link to a photo resource, nuke all the associated photos
1120 * (visitors will not have photo resources)
1121 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1122 * generate a resource-id and therefore aren't intimately linked to the item.
1124 /// @TODO: this should first check if photo is used elsewhere
1125 if (strlen($item['resource-id'])) {
1126 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1129 // If item is a link to an event, delete the event.
1130 if (intval($item['event-id'])) {
1131 Event::delete($item['event-id']);
1134 // If item has attachments, drop them
1135 /// @TODO: this should first check if attachment is used elsewhere
1136 foreach (explode(",", $item['attach']) as $attach) {
1137 preg_match("|attach/(\d+)|", $attach, $matches);
1138 if (is_array($matches) && count($matches) > 1) {
1139 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1143 // Delete notifications
1144 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1146 // Set the item to "deleted"
1147 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1148 DBA::update('item', $item_fields, ['id' => $item['id']]);
1150 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1151 self::deleteThread($item['id'], $item['parent-uri']);
1153 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1154 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1157 Post\DeliveryData::delete($item['uri-id']);
1159 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1160 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1162 // When the permission set will be used in photo and events as well,
1163 // this query here needs to be extended.
1164 // @todo Currently deactivated. We need the permission set in the deletion process.
1165 // This is a reminder to add the removal somewhere else.
1166 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1167 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1170 // If it's the parent of a comment thread, kill all the kids
1171 if ($item['gravity'] == GRAVITY_PARENT) {
1172 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1175 // Is it our comment and/or our thread?
1176 if ($item['origin'] || $parent['origin']) {
1177 // When we delete the original post we will delete all existing copies on the server as well
1178 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1180 // send the notification upstream/downstream
1181 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1182 } elseif ($item['uid'] != 0) {
1184 // When we delete just our local user copy of an item, we have to set a marker to hide it
1185 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1186 if (DBA::isResult($global_item)) {
1187 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1191 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1197 private static function guid($item, $notify)
1199 if (!empty($item['guid'])) {
1200 return Strings::escapeTags(trim($item['guid']));
1204 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1205 // We add the hash of our own host because our host is the original creator of the post.
1206 $prefix_host = DI::baseUrl()->getHostname();
1210 // We are only storing the post so we create a GUID from the original hostname.
1211 if (!empty($item['author-link'])) {
1212 $parsed = parse_url($item['author-link']);
1213 if (!empty($parsed['host'])) {
1214 $prefix_host = $parsed['host'];
1218 if (empty($prefix_host) && !empty($item['plink'])) {
1219 $parsed = parse_url($item['plink']);
1220 if (!empty($parsed['host'])) {
1221 $prefix_host = $parsed['host'];
1225 if (empty($prefix_host) && !empty($item['uri'])) {
1226 $parsed = parse_url($item['uri']);
1227 if (!empty($parsed['host'])) {
1228 $prefix_host = $parsed['host'];
1232 // Is it in the format data@host.tld? - Used for mail contacts
1233 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1234 $mailparts = explode('@', $item['author-link']);
1235 $prefix_host = array_pop($mailparts);
1239 if (!empty($item['plink'])) {
1240 $guid = self::guidFromUri($item['plink'], $prefix_host);
1241 } elseif (!empty($item['uri'])) {
1242 $guid = self::guidFromUri($item['uri'], $prefix_host);
1244 $guid = System::createUUID(hash('crc32', $prefix_host));
1250 private static function contactId($item)
1252 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1253 return $item['contact-id'];
1254 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1255 return $item['contact-id'];
1256 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1257 return $item['author-id'];
1258 } elseif (!empty($item['contact-id'])) {
1259 return $item['contact-id'];
1261 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1262 if (!empty($contact_id)) {
1266 return $item['author-id'];
1269 // This function will finally cover most of the preparation functionality in mod/item.php
1270 public static function prepare(&$item)
1273 * @TODO: Unused code triggering inspection errors
1275 $data = BBCode::getAttachmentData($item['body']);
1276 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1277 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1278 $posttype = Item::PT_PAGE;
1279 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1285 * Write an item array into a spool file to be inserted later.
1286 * This command is called whenever there are issues storing an item.
1288 * @param array $item The item fields that are to be inserted
1289 * @throws \Exception
1291 private static function spool($orig_item)
1293 // Now we store the data in the spool directory
1294 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1295 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1297 $spoolpath = get_spoolpath();
1298 if ($spoolpath != "") {
1299 $spool = $spoolpath . '/' . $file;
1301 file_put_contents($spool, json_encode($orig_item));
1302 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1307 * Check if the item array is a duplicate
1309 * @param array $item
1310 * @return boolean is it a duplicate?
1312 private static function isDuplicate(array $item)
1314 // Checking if there is already an item with the same guid
1315 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1316 if (self::exists($condition)) {
1317 Logger::notice('Found already existing item', [
1318 'guid' => $item['guid'],
1319 'uid' => $item['uid'],
1320 'network' => $item['network']
1325 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1326 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1327 if (self::exists($condition)) {
1328 Logger::notice('duplicated item with the same uri found.', $item);
1332 // On Friendica and Diaspora the GUID is unique
1333 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1334 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1335 if (self::exists($condition)) {
1336 Logger::notice('duplicated item with the same guid found.', $item);
1339 } elseif ($item['network'] == Protocol::OSTATUS) {
1340 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1341 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1342 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1343 if (self::exists($condition)) {
1344 Logger::notice('duplicated item with the same body found.', $item);
1350 * Check for already added items.
1351 * There is a timing issue here that sometimes creates double postings.
1352 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1354 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1355 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1363 * Check if the item array is valid
1365 * @param array $item
1366 * @return boolean item is valid
1368 public static function isValid(array $item)
1370 // When there is no content then we don't post it
1371 if ($item['body'].$item['title'] == '') {
1372 Logger::notice('No body, no title.');
1376 // check for create date and expire time
1377 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1379 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1380 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1381 $expire_interval = $user['expire'];
1384 if (($expire_interval > 0) && !empty($item['created'])) {
1385 $expire_date = time() - ($expire_interval * 86400);
1386 $created_date = strtotime($item['created']);
1387 if ($created_date < $expire_date) {
1388 Logger::notice('Item created before expiration interval.', [
1389 'created' => date('c', $created_date),
1390 'expired' => date('c', $expire_date),
1397 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1398 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1402 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1403 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1407 if (!empty($item['uid']) && !empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $item['uid'])) {
1408 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1412 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1413 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1417 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1418 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1422 if (!empty($item['uid']) && !empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $item['uid'])) {
1423 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1427 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1428 if (!empty($item['uid']) && !empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $item['uid'])) {
1429 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1433 if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact\User::isIgnored($item['causer-id'], $item['uid'])) {
1434 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1438 if ($item['verb'] == Activity::FOLLOW) {
1439 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1440 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1441 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1445 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1446 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1447 if (self::exists($condition)) {
1448 // It happens that we receive multiple follow requests by the same author - we only store one.
1449 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1458 * Return the id of the given item array if it has been stored before
1460 * @param array $item
1461 * @return integer item id
1463 private static function getDuplicateID(array $item)
1465 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1466 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1467 trim($item['uri']), $item['uid'],
1468 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1469 $existing = self::selectFirst(['id', 'network'], $condition);
1470 if (DBA::isResult($existing)) {
1471 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1472 if ($item['uid'] != 0) {
1473 Logger::notice('Item already existed for user', [
1474 'uri' => $item['uri'],
1475 'uid' => $item['uid'],
1476 'network' => $item['network'],
1477 'existing_id' => $existing["id"],
1478 'existing_network' => $existing["network"]
1482 return $existing["id"];
1489 * Fetch parent data for the given item array
1491 * @param array $item
1492 * @return array item array with parent data
1494 private static function getParentData(array $item)
1496 // find the parent and snarf the item id and ACLs
1497 // and anything else we need to inherit
1499 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1500 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1501 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1502 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1503 $params = ['order' => ['id' => false]];
1504 $parent = self::selectFirst($fields, $condition, $params);
1506 if (!DBA::isResult($parent)) {
1507 Logger::info('item parent was not found - ignoring item', ['parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]);
1510 // is the new message multi-level threaded?
1511 // even though we don't support it now, preserve the info
1512 // and re-attach to the conversation parent.
1513 if ($parent['uri'] != $parent['parent-uri']) {
1514 $item['parent-uri'] = $parent['parent-uri'];
1516 $condition = ['uri' => $item['parent-uri'],
1517 'parent-uri' => $item['parent-uri'],
1518 'uid' => $item['uid']];
1519 $params = ['order' => ['id' => false]];
1520 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1522 if (DBA::isResult($toplevel_parent)) {
1523 $parent = $toplevel_parent;
1527 $item['parent'] = $parent['id'];
1528 $item["deleted"] = $parent['deleted'];
1529 $item["allow_cid"] = $parent['allow_cid'];
1530 $item['allow_gid'] = $parent['allow_gid'];
1531 $item['deny_cid'] = $parent['deny_cid'];
1532 $item['deny_gid'] = $parent['deny_gid'];
1533 $item['parent_origin'] = $parent['origin'];
1535 // Don't federate received participation messages
1536 if ($item['verb'] != Activity::FOLLOW) {
1537 $item['wall'] = $parent['wall'];
1539 $item['wall'] = false;
1543 * If the parent is private, force privacy for the entire conversation
1544 * This differs from the above settings as it subtly allows comments from
1545 * email correspondents to be private even if the overall thread is not.
1547 if ($parent['private']) {
1548 $item['private'] = $parent['private'];
1552 * Edge case. We host a public forum that was originally posted to privately.
1553 * The original author commented, but as this is a comment, the permissions
1554 * weren't fixed up so it will still show the comment as private unless we fix it here.
1556 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1557 $item['private'] = self::PUBLIC;
1560 // If its a post that originated here then tag the thread as "mention"
1561 if ($item['origin'] && $item['uid']) {
1562 DBA::update('thread', ['mention' => true], ['iid' => $item['parent']]);
1563 Logger::info('tagged thread as mention', ['parent' => $item['parent'], 'uid' => $item['uid']]);
1566 // Update the contact relations
1567 Contact\Relation::store($parent['author-id'], $item['author-id'], $item['created']);
1574 * Get the gravity for the given item array
1576 * @param array $item
1577 * @return integer gravity
1579 private static function getGravity(array $item)
1581 $activity = DI::activity();
1583 if (isset($item['gravity'])) {
1584 return intval($item['gravity']);
1585 } elseif ($item['parent-uri'] === $item['uri']) {
1586 return GRAVITY_PARENT;
1587 } elseif ($activity->match($item['verb'], Activity::POST)) {
1588 return GRAVITY_COMMENT;
1589 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1590 return GRAVITY_ACTIVITY;
1591 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1592 return GRAVITY_ACTIVITY;
1594 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1595 return GRAVITY_UNKNOWN; // Should not happen
1598 public static function insert($item, $notify = false, $dontcache = false)
1600 $structure = self::getItemFields();
1604 $priority = PRIORITY_HIGH;
1606 // If it is a posting where users should get notifications, then define it as wall posting
1609 $item['origin'] = 1;
1610 $item['network'] = Protocol::DFRN;
1611 $item['protocol'] = Conversation::PARCEL_DFRN;
1613 if (is_int($notify)) {
1614 $priority = $notify;
1617 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1620 $uid = intval($item['uid']);
1622 $item['guid'] = self::guid($item, $notify);
1623 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1626 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1628 // Store conversation data
1629 $item = Conversation::insert($item);
1631 if (!empty($item['thr-parent'])) {
1632 $item['parent-uri'] = $item['thr-parent'];
1636 * Do we already have this item?
1637 * We have to check several networks since Friendica posts could be repeated
1638 * via OStatus (maybe Diasporsa as well)
1640 $duplicate = self::getDuplicateID($item);
1645 // Additional duplicate checks
1646 /// @todo Check why the first duplication check returns the item number and the second a 0
1647 if (self::isDuplicate($item)) {
1651 $item['wall'] = intval($item['wall'] ?? 0);
1652 $item['extid'] = trim($item['extid'] ?? '');
1653 $item['author-name'] = trim($item['author-name'] ?? '');
1654 $item['author-link'] = trim($item['author-link'] ?? '');
1655 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1656 $item['owner-name'] = trim($item['owner-name'] ?? '');
1657 $item['owner-link'] = trim($item['owner-link'] ?? '');
1658 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1659 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1660 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1661 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1662 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1663 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1664 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1665 $item['location'] = trim($item['location'] ?? '');
1666 $item['coord'] = trim($item['coord'] ?? '');
1667 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1668 $item['deleted'] = 0;
1669 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1670 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1671 $item['verb'] = trim($item['verb'] ?? '');
1672 $item['object-type'] = trim($item['object-type'] ?? '');
1673 $item['object'] = trim($item['object'] ?? '');
1674 $item['target-type'] = trim($item['target-type'] ?? '');
1675 $item['target'] = trim($item['target'] ?? '');
1676 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1677 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1678 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1679 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1680 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1681 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1682 $item['body'] = trim($item['body'] ?? '');
1683 $item['attach'] = trim($item['attach'] ?? '');
1684 $item['app'] = trim($item['app'] ?? '');
1685 $item['origin'] = intval($item['origin'] ?? 0);
1686 $item['postopts'] = trim($item['postopts'] ?? '');
1687 $item['resource-id'] = trim($item['resource-id'] ?? '');
1688 $item['event-id'] = intval($item['event-id'] ?? 0);
1689 $item['inform'] = trim($item['inform'] ?? '');
1690 $item['file'] = trim($item['file'] ?? '');
1692 // Items cannot be stored before they happen ...
1693 if ($item['created'] > DateTimeFormat::utcNow()) {
1694 $item['created'] = DateTimeFormat::utcNow();
1697 // We haven't invented time travel by now.
1698 if ($item['edited'] > DateTimeFormat::utcNow()) {
1699 $item['edited'] = DateTimeFormat::utcNow();
1702 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1704 $item['gravity'] = self::getGravity($item);
1706 $item['language'] = self::getLanguage($item);
1708 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1709 'photo' => $item['author-avatar'], 'network' => $item['network']];
1710 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1712 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1713 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1714 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1716 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1717 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1718 $item['post-type'] = self::PT_FOLLOWER;
1721 // Ensure that there is an avatar cache
1722 Contact::checkAvatarCache($item['author-id']);
1723 Contact::checkAvatarCache($item['owner-id']);
1725 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1726 $item["contact-id"] = self::contactId($item);
1728 if (!self::isValid($item)) {
1732 // We don't store the causer link, only the id
1733 unset($item['causer-link']);
1735 // We don't store these fields anymore in the item table
1736 unset($item['author-link']);
1737 unset($item['author-name']);
1738 unset($item['author-avatar']);
1739 unset($item['author-network']);
1741 unset($item['owner-link']);
1742 unset($item['owner-name']);
1743 unset($item['owner-avatar']);
1745 $item['thr-parent'] = $item['parent-uri'];
1747 if ($item['parent-uri'] != $item['uri']) {
1748 $item = self::getParentData($item);
1753 $parent_id = $item['parent'];
1754 unset($item['parent']);
1755 $parent_origin = $item['parent_origin'];
1756 unset($item['parent_origin']);
1759 $parent_origin = $item['origin'];
1762 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1763 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1765 // Is this item available in the global items (with uid=0)?
1766 if ($item["uid"] == 0) {
1767 $item["global"] = true;
1769 // Set the global flag on all items if this was a global item entry
1770 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1772 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1776 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1777 $item["private"] = self::PRIVATE;
1781 $item['edit'] = false;
1782 $item['parent'] = $parent_id;
1783 Hook::callAll('post_local', $item);
1784 unset($item['edit']);
1785 unset($item['parent']);
1787 Hook::callAll('post_remote', $item);
1790 if (!empty($item['cancel'])) {
1791 Logger::log('post cancelled by addon.');
1795 if (empty($item['vid']) && !empty($item['verb'])) {
1796 $item['vid'] = Verb::getID($item['verb']);
1799 // Creates or assigns the permission set
1800 $item['psid'] = PermissionSet::getIdFromACL(
1808 unset($item['allow_cid']);
1809 unset($item['allow_gid']);
1810 unset($item['deny_cid']);
1811 unset($item['deny_gid']);
1813 // This array field is used to trigger some automatic reactions
1814 // It is mainly used in the "post_local" hook.
1815 unset($item['api_source']);
1817 if ($item['verb'] == Activity::ANNOUNCE) {
1818 self::setOwnerforResharedItem($item);
1821 // Check for hashtags in the body and repair or add hashtag links
1822 $item['body'] = self::setHashtags($item['body']);
1824 // Fill the cache field
1825 self::putInCache($item);
1827 if (stristr($item['verb'], Activity::POKE)) {
1828 $notify_type = Delivery::POKE;
1830 $notify_type = Delivery::POST;
1833 if (!in_array($item['verb'], self::ACTIVITIES)) {
1834 $item['icid'] = self::insertContent($item);
1835 if (empty($item['icid'])) {
1836 // This shouldn't happen
1837 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1842 $body = $item['body'];
1843 $verb = $item['verb'];
1845 // We just remove everything that is content
1846 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1847 unset($item[$field]);
1850 unset($item['activity']);
1852 // Filling item related side tables
1854 // Diaspora signature
1855 if (!empty($item['diaspora_signed_text'])) {
1856 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1859 unset($item['diaspora_signed_text']);
1861 // Attached file links
1862 if (!empty($item['file'])) {
1863 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1866 unset($item['file']);
1868 // Delivery relevant data
1869 $delivery_data = Post\DeliveryData::extractFields($item);
1870 unset($item['postopts']);
1871 unset($item['inform']);
1873 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1874 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1877 // Store tags from the body if this hadn't been handled previously in the protocol classes
1878 if (!Tag::existsForPost($item['uri-id'])) {
1879 Tag::storeFromBody($item['uri-id'], $body);
1882 // Remove all fields that aren't part of the item table
1883 foreach ($item as $field => $value) {
1884 if (!in_array($field, $structure['item'])) {
1885 unset($item[$field]);
1889 if (DI::lock()->acquire(self::LOCK_ITEM, 0)) {
1890 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1891 if (DBA::exists('item', $condition)) {
1892 DI::lock()->release(self::LOCK_ITEM);
1893 Logger::notice('Item is already inserted - aborting', $condition);
1897 $result = DBA::insert('item', $item);
1899 // When the item was successfully stored we fetch the ID of the item.
1900 $current_post = DBA::lastInsertId();
1901 DI::lock()->release(self::LOCK_ITEM);
1907 if (empty($current_post) || !DBA::isResult($result)) {
1908 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1909 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1910 self::spool($orig_item);
1914 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1916 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1917 $parent_id = $current_post;
1921 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1923 $item['id'] = $current_post;
1924 $item['parent'] = $parent_id;
1926 // update the commented timestamp on the parent
1927 if (DI::config()->get('system', 'like_no_comment')) {
1928 // Update when it is a comment
1929 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1931 // Update when it isn't a follow or tag verb
1932 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1935 if ($update_commented) {
1936 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1938 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1941 if ($item['parent-uri'] === $item['uri']) {
1942 self::addThread($current_post);
1944 self::updateThread($parent_id);
1947 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1948 if (self::tagDeliver($item['uid'], $current_post)) {
1949 // Get the user information for the logging
1950 $user = User::getById($uid);
1952 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1957 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1958 if (DBA::isResult($posted_item)) {
1960 Hook::callAll('post_local_end', $posted_item);
1962 Hook::callAll('post_remote_end', $posted_item);
1965 Logger::log('new item not found in DB, id ' . $current_post);
1969 if ($item['parent-uri'] === $item['uri']) {
1970 self::addShadow($current_post);
1972 self::addShadowPost($current_post);
1975 self::updateContact($item);
1977 UserItem::setNotification($current_post);
1979 check_user_notification($current_post);
1981 // Distribute items to users who subscribed to their tags
1982 self::distributeByTags($item);
1984 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1987 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1988 // Don't relay participation messages
1989 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1990 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1991 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1997 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2000 return $current_post;
2004 * Change the owner of a parent item if it had been shared by a forum
2006 * (public) forum posts in the new format consist of the regular post by the author
2007 * followed by an announce message sent from the forum account.
2008 * Changing the owner helps in grouping forum posts.
2010 * @param array $item
2013 private static function setOwnerforResharedItem(array $item)
2015 $parent = self::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
2016 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2017 if (!DBA::isResult($parent)) {
2018 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2022 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2023 if (!DBA::isResult($author)) {
2024 Logger::error('Author not found', ['id' => $item['author-id']]);
2028 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2029 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2030 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2034 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2035 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
2036 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2040 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
2041 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2044 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
2045 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2049 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2050 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]);
2054 * Distribute the given item to users who subscribed to their tags
2056 * @param array $item Processed item
2058 private static function distributeByTags(array $item)
2060 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2064 $uids = Tag::getUIDListByURIId($item['uri-id']);
2065 foreach ($uids as $uid) {
2066 if (Contact::isSharing($item['author-id'], $uid)) {
2069 $fields = ['post-type' => self::PT_TAG];
2072 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2073 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2078 * Insert a new item content entry
2080 * @param array $item The item fields that are to be inserted
2081 * @throws \Exception
2083 private static function insertContent(array $item)
2085 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2087 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2088 if (isset($item[$field])) {
2089 $fields[$field] = $item[$field];
2093 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2094 if (DBA::isResult($item_content)) {
2095 $icid = $item_content['id'];
2096 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
2100 DBA::replace('item-content', $fields);
2102 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2103 if (DBA::isResult($item_content)) {
2104 $icid = $item_content['id'];
2105 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2109 // This shouldn't happen.
2110 Logger::error("Content wasn't inserted", $item);
2115 * Update existing item content entries
2117 * @param array $item The item fields that are to be changed
2118 * @param array $condition The condition for finding the item content entries
2119 * @throws \Exception
2121 private static function updateContent($item, $condition)
2123 // We have to select only the fields from the "item-content" table
2125 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2126 if (isset($item[$field])) {
2127 $fields[$field] = $item[$field];
2131 if (empty($fields)) {
2135 DBA::update('item-content', $fields, $condition, true);
2136 Logger::info('Updated content', ['condition' => $condition]);
2140 * Distributes public items to the receivers
2142 * @param integer $itemid Item ID that should be added
2143 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2144 * @throws \Exception
2146 public static function distribute($itemid, $signed_text = '')
2148 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2149 $parent = self::selectFirst(['owner-id'], $condition);
2150 if (!DBA::isResult($parent)) {
2154 // Only distribute public items from native networks
2155 $condition = ['id' => $itemid, 'uid' => 0,
2156 'network' => array_merge(Protocol::FEDERATED ,['']),
2157 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2158 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2159 if (!DBA::isResult($item)) {
2163 $origin = $item['origin'];
2167 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2168 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2169 if (!DBA::isResult($owner)) {
2173 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2174 $contacts = DBA::select('contact', ['uid'], $condition);
2175 while ($contact = DBA::fetch($contacts)) {
2176 if ($contact['uid'] == 0) {
2180 $users[$contact['uid']] = $contact['uid'];
2182 DBA::close($contacts);
2184 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2185 $contacts = DBA::select('contact', ['uid'], $condition);
2186 while ($contact = DBA::fetch($contacts)) {
2187 if ($contact['uid'] == 0) {
2191 $users[$contact['uid']] = $contact['uid'];
2193 DBA::close($contacts);
2195 if (!empty($owner['alias'])) {
2196 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2197 $contacts = DBA::select('contact', ['uid'], $condition);
2198 while ($contact = DBA::fetch($contacts)) {
2199 if ($contact['uid'] == 0) {
2203 $users[$contact['uid']] = $contact['uid'];
2205 DBA::close($contacts);
2210 if ($item['uri'] != $item['parent-uri']) {
2211 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2212 while ($parent = self::fetch($parents)) {
2213 $users[$parent['uid']] = $parent['uid'];
2214 if ($parent['origin'] && !$origin) {
2215 $origin_uid = $parent['uid'];
2220 foreach ($users as $uid) {
2221 if ($origin_uid == $uid) {
2222 $item['diaspora_signed_text'] = $signed_text;
2224 self::storeForUser($item, $uid);
2229 * Store a public item defined by their URI-ID for the given users
2231 * @param integer $uri_id URI-ID of the given item
2232 * @param integer $uid The user that will receive the item entry
2233 * @param array $fields Additional fields to be stored
2234 * @return integer stored item id
2236 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2238 $item = self::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2239 if (!DBA::isResult($item)) {
2243 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2244 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']]);
2248 $item['post-type'] = self::PT_STORED;
2250 $item = array_merge($item, $fields);
2252 $stored = self::storeForUser($item, $uid);
2253 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2258 * Store a public item array for the given users
2260 * @param array $item The item entry that will be stored
2261 * @param integer $uid The user that will receive the item entry
2262 * @return integer stored item id
2263 * @throws \Exception
2265 private static function storeForUser(array $item, int $uid)
2267 if (self::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2268 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2273 unset($item['parent']);
2274 unset($item['mention']);
2275 unset($item['starred']);
2276 unset($item['unseen']);
2277 unset($item['psid']);
2279 $item['uid'] = $uid;
2280 $item['origin'] = 0;
2283 if ($item['gravity'] == GRAVITY_PARENT) {
2284 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2286 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2289 if (!empty($contact['id'])) {
2290 $item['contact-id'] = $contact['id'];
2292 // Shouldn't happen at all
2293 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2294 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2295 if (!DBA::isResult($self)) {
2296 // Shouldn't happen even less
2297 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2300 $item['contact-id'] = $self['id'];
2303 /// @todo Handling of "event-id"
2306 if ($item['gravity'] == GRAVITY_PARENT) {
2307 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2308 if (DBA::isResult($contact)) {
2309 $notify = self::isRemoteSelf($contact, $item);
2313 $distributed = self::insert($item, $notify, true);
2315 if (!$distributed) {
2316 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2318 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2320 return $distributed;
2324 * Add a shadow entry for a given item id that is a thread starter
2326 * We store every public item entry additionally with the user id "0".
2327 * This is used for the community page and for the search.
2328 * It is planned that in the future we will store public item entries only once.
2330 * @param integer $itemid Item ID that should be added
2331 * @throws \Exception
2333 private static function addShadow($itemid)
2335 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2336 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2337 $item = self::selectFirst($fields, $condition);
2339 if (!DBA::isResult($item)) {
2343 // is it already a copy?
2344 if (($itemid == 0) || ($item['uid'] == 0)) {
2348 // Is it a visible public post?
2349 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2353 // is it an entry from a connector? Only add an entry for natively connected networks
2354 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2358 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2362 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2364 if (DBA::isResult($item)) {
2365 // Preparing public shadow (removing user specific data)
2368 unset($item['parent']);
2369 unset($item['wall']);
2370 unset($item['mention']);
2371 unset($item['origin']);
2372 unset($item['starred']);
2373 unset($item['postopts']);
2374 unset($item['inform']);
2375 unset($item['post-type']);
2376 if ($item['uri'] == $item['parent-uri']) {
2377 $item['contact-id'] = $item['owner-id'];
2379 $item['contact-id'] = $item['author-id'];
2382 $public_shadow = self::insert($item, false, true);
2384 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2389 * Add a shadow entry for a given item id that is a comment
2391 * This function does the same like the function above - but for comments
2393 * @param integer $itemid Item ID that should be added
2394 * @throws \Exception
2396 private static function addShadowPost($itemid)
2398 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2399 if (!DBA::isResult($item)) {
2403 // Is it a toplevel post?
2404 if ($item['gravity'] == GRAVITY_PARENT) {
2405 self::addShadow($itemid);
2409 // Is this a shadow entry?
2410 if ($item['uid'] == 0) {
2414 // Is there a shadow parent?
2415 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2419 // Is there already a shadow entry?
2420 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2424 // Save "origin" and "parent" state
2425 $origin = $item['origin'];
2426 $parent = $item['parent'];
2428 // Preparing public shadow (removing user specific data)
2431 unset($item['parent']);
2432 unset($item['wall']);
2433 unset($item['mention']);
2434 unset($item['origin']);
2435 unset($item['starred']);
2436 unset($item['postopts']);
2437 unset($item['inform']);
2438 unset($item['post-type']);
2439 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2441 $public_shadow = self::insert($item, false, true);
2443 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2445 // If this was a comment to a Diaspora post we don't get our comment back.
2446 // This means that we have to distribute the comment by ourselves.
2447 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2448 self::distribute($public_shadow);
2453 * Adds a language specification in a "language" element of given $arr.
2454 * Expects "body" element to exist in $arr.
2456 * @param array $item
2457 * @return string detected language
2458 * @throws \Text_LanguageDetect_Exception
2460 private static function getLanguage(array $item)
2462 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT])) {
2466 // Convert attachments to links
2467 $naked_body = BBCode::removeAttachment($item['body']);
2469 // Remove links and pictures
2470 $naked_body = BBCode::removeLinks($naked_body);
2472 // Convert the title and the body to plain text
2473 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
2475 // Remove possibly remaining links
2476 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2478 if (empty($naked_body)) {
2482 $ld = new Language(DI::l10n()->getAvailableLanguages());
2483 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2484 if (is_array($languages)) {
2485 return json_encode($languages);
2491 public static function getLanguageMessage(array $item)
2493 $iso639 = new \Matriphe\ISO639\ISO639;
2495 $used_languages = '';
2496 foreach (json_decode($item['language'], true) as $language => $reliability) {
2497 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2499 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2500 return $used_languages;
2504 * Creates an unique guid out of a given uri
2506 * @param string $uri uri of an item entry
2507 * @param string $host hostname for the GUID prefix
2508 * @return string unique guid
2510 public static function guidFromUri($uri, $host)
2512 // Our regular guid routine is using this kind of prefix as well
2513 // We have to avoid that different routines could accidentally create the same value
2514 $parsed = parse_url($uri);
2516 // We use a hash of the hostname as prefix for the guid
2517 $guid_prefix = hash("crc32", $host);
2519 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2520 unset($parsed["scheme"]);
2522 // Glue it together to be able to make a hash from it
2523 $host_id = implode("/", $parsed);
2525 // We could use any hash algorithm since it isn't a security issue
2526 $host_hash = hash("ripemd128", $host_id);
2528 return $guid_prefix.$host_hash;
2532 * generate an unique URI
2534 * @param integer $uid User id
2535 * @param string $guid An existing GUID (Otherwise it will be generated)
2538 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2540 public static function newURI($uid, $guid = "")
2543 $guid = System::createUUID();
2546 return DI::baseUrl()->get() . '/objects/' . $guid;
2550 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2552 * This can be used to filter for inactive contacts.
2553 * Only do this for public postings to avoid privacy problems, since poco data is public.
2554 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2556 * @param array $arr Contains the just posted item record
2557 * @throws \Exception
2559 private static function updateContact($arr)
2561 // Unarchive the author
2562 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2563 if (DBA::isResult($contact)) {
2564 Contact::unmarkForArchival($contact);
2567 // Unarchive the contact if it's not our own contact
2568 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2569 if (DBA::isResult($contact)) {
2570 Contact::unmarkForArchival($contact);
2573 /// @todo On private posts we could obfuscate the date
2574 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2576 // Is it a forum? Then we don't care about the rules from above
2577 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2578 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2584 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2585 // So we have to ensure to only update the last item when it had been our own post,
2586 // or it had been done by a "regular" contact.
2587 if (!empty($arr['wall'])) {
2588 $condition = ['id' => $arr['contact-id']];
2590 $condition = ['id' => $arr['contact-id'], 'self' => false];
2592 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2594 // Now do the same for the system wide contacts with uid=0
2595 if ($arr['private'] != self::PRIVATE) {
2596 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2597 ['id' => $arr['owner-id']]);
2599 if ($arr['owner-id'] != $arr['author-id']) {
2600 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2601 ['id' => $arr['author-id']]);
2606 public static function setHashtags($body)
2608 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2609 $tags = BBCode::getTags($body);
2612 if (!count($tags)) {
2616 // This sorting is important when there are hashtags that are part of other hashtags
2617 // Otherwise there could be problems with hashtags like #test and #test2
2618 // Because of this we are sorting from the longest to the shortest tag.
2619 usort($tags, function ($a, $b) {
2620 return strlen($b) <=> strlen($a);
2623 $URLSearchString = "^\[\]";
2625 // All hashtags should point to the home server if "local_tags" is activated
2626 if (DI::config()->get('system', 'local_tags')) {
2627 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2628 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2631 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2632 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2634 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2637 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2639 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2642 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2644 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2647 // Repair recursive urls
2648 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2651 foreach ($tags as $tag) {
2652 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2656 $basetag = str_replace('_', ' ', substr($tag, 1));
2657 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2659 $body = str_replace($tag, $newtag, $body);
2662 // Convert back the masked hashtags
2663 $body = str_replace("#", "#", $body);
2672 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2675 * @param int $item_id
2676 * @return boolean true if item was deleted, else false
2677 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2678 * @throws \ImagickException
2680 private static function tagDeliver($uid, $item_id)
2684 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2685 if (!DBA::isResult($user)) {
2689 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2690 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2692 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2693 if (!DBA::isResult($item)) {
2697 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2700 * Diaspora uses their own hardwired link URL in @-tags
2701 * instead of the one we supply with webfinger
2703 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2705 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2707 foreach ($matches as $mtch) {
2708 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2710 Logger::log('mention found: ' . $mtch[2]);
2716 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2717 foreach ($tags as $tag) {
2718 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2720 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2726 if (($community_page || $prvgroup) &&
2727 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2728 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2729 DBA::delete('item', ['id' => $item_id]);
2735 $arr = ['item' => $item, 'user' => $user];
2737 Hook::callAll('tagged', $arr);
2739 if (!$community_page && !$prvgroup) {
2744 * tgroup delivery - setup a second delivery chain
2745 * prevent delivery looping - only proceed
2746 * if the message originated elsewhere and is a top-level post
2748 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2752 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2753 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2754 if (!DBA::isResult($self)) {
2758 $owner_id = Contact::getIdForURL($self['url']);
2760 // also reset all the privacy bits to the forum default permissions
2762 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2764 $psid = PermissionSet::getIdFromACL(
2772 $forum_mode = ($prvgroup ? 2 : 1);
2774 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2775 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2776 self::update($fields, ['id' => $item_id]);
2778 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2780 Item::performActivity($item_id, 'announce', $uid);
2785 public static function isRemoteSelf($contact, &$datarray)
2787 if (!$contact['remote_self']) {
2791 // Prevent the forwarding of posts that are forwarded
2792 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2793 Logger::info('Already forwarded');
2797 // Prevent to forward already forwarded posts
2798 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2799 Logger::info('Already forwarded (second test)');
2803 // Only forward posts
2804 if ($datarray["verb"] != Activity::POST) {
2805 Logger::info('No post');
2809 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2810 Logger::info('Not public');
2814 $datarray2 = $datarray;
2815 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2816 if ($contact['remote_self'] == 2) {
2817 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2818 ['uid' => $contact['uid'], 'self' => true]);
2819 if (DBA::isResult($self)) {
2820 $datarray['contact-id'] = $self["id"];
2822 $datarray['owner-name'] = $self["name"];
2823 $datarray['owner-link'] = $self["url"];
2824 $datarray['owner-avatar'] = $self["thumb"];
2826 $datarray['author-name'] = $datarray['owner-name'];
2827 $datarray['author-link'] = $datarray['owner-link'];
2828 $datarray['author-avatar'] = $datarray['owner-avatar'];
2830 unset($datarray['edited']);
2832 unset($datarray['network']);
2833 unset($datarray['owner-id']);
2834 unset($datarray['author-id']);
2837 if ($contact['network'] != Protocol::FEED) {
2838 $datarray["guid"] = System::createUUID();
2839 unset($datarray["plink"]);
2840 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2841 $datarray["parent-uri"] = $datarray["uri"];
2842 $datarray["thr-parent"] = $datarray["uri"];
2843 $datarray["extid"] = Protocol::DFRN;
2844 $urlpart = parse_url($datarray2['author-link']);
2845 $datarray["app"] = $urlpart["host"];
2847 $datarray['private'] = self::PUBLIC;
2851 if ($contact['network'] != Protocol::FEED) {
2852 // Store the original post
2853 $result = self::insert($datarray2);
2854 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2856 $datarray["app"] = "Feed";
2860 // Trigger automatic reactions for addons
2861 $datarray['api_source'] = true;
2863 // We have to tell the hooks who we are - this really should be improved
2864 $_SESSION["authenticated"] = true;
2865 $_SESSION["uid"] = $contact['uid'];
2874 * @param array $item
2877 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2878 * @throws \ImagickException
2880 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2882 if (DI::config()->get('system', 'disable_embedded')) {
2886 Logger::info('check for photos');
2887 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2892 $img_start = strpos($orig_body, '[img');
2893 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2894 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2896 while (($img_st_close !== false) && ($img_len !== false)) {
2897 $img_st_close++; // make it point to AFTER the closing bracket
2898 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2900 Logger::info('found photo', ['image' => $image]);
2902 if (stristr($image, $site . '/photo/')) {
2903 // Only embed locally hosted photos
2905 $i = basename($image);
2906 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2907 $x = strpos($i, '-');
2910 $res = substr($i, $x + 1);
2911 $i = substr($i, 0, $x);
2912 $photo = Photo::getPhotoForUser($uid, $i, $res);
2913 if (DBA::isResult($photo)) {
2915 * Check to see if we should replace this photo link with an embedded image
2916 * 1. No need to do so if the photo is public
2917 * 2. If there's a contact-id provided, see if they're in the access list
2918 * for the photo. If so, embed it.
2919 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2920 * permissions, regardless of order but first check to see if they're an exact
2921 * match to save some processing overhead.
2923 if (self::hasPermissions($photo)) {
2925 $recips = self::enumeratePermissions($photo);
2926 if (in_array($cid, $recips)) {
2930 if (self::samePermissions($uid, $item, $photo)) {
2936 $photo_img = Photo::getImageForPhoto($photo);
2937 // If a custom width and height were specified, apply before embedding
2938 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2939 Logger::info('scaling photo');
2941 $width = intval($match[1]);
2942 $height = intval($match[2]);
2944 $photo_img->scaleDown(max($width, $height));
2947 $data = $photo_img->asString();
2948 $type = $photo_img->getType();
2950 Logger::info('replacing photo');
2951 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2952 Logger::debug('replaced', ['image' => $image]);
2958 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2959 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2960 if ($orig_body === false) {
2964 $img_start = strpos($orig_body, '[img');
2965 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2966 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2969 $new_body = $new_body . $orig_body;
2974 private static function hasPermissions($obj)
2976 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2977 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2980 private static function samePermissions($uid, $obj1, $obj2)
2982 // first part is easy. Check that these are exactly the same.
2983 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2984 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2985 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2986 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2990 // This is harder. Parse all the permissions and compare the resulting set.
2991 $recipients1 = self::enumeratePermissions($obj1);
2992 $recipients2 = self::enumeratePermissions($obj2);
2996 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2997 return ($recipients1 == $recipients2);
3001 * Returns an array of contact-ids that are allowed to see this object
3003 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3004 * @param bool $check_dead Prunes unavailable contacts from the result
3006 * @throws \Exception
3008 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3010 $aclFormater = DI::aclFormatter();
3012 $allow_people = $aclFormater->expand($obj['allow_cid']);
3013 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3014 $deny_people = $aclFormater->expand($obj['deny_cid']);
3015 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3016 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3017 $deny = array_unique(array_merge($deny_people, $deny_groups));
3018 $recipients = array_diff($recipients, $deny);
3022 public static function expire($uid, $days, $network = "", $force = false)
3024 if (!$uid || ($days < 1)) {
3028 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
3029 $uid, GRAVITY_PARENT];
3032 * $expire_network_only = save your own wall posts
3033 * and just expire conversations started by others
3035 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3037 if ($expire_network_only) {
3038 $condition[0] .= " AND NOT `wall`";
3041 if ($network != "") {
3042 $condition[0] .= " AND `network` = ?";
3043 $condition[] = $network;
3046 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3047 $condition[] = $days;
3049 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3051 if (!DBA::isResult($items)) {
3055 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3057 // Forcing expiring of items - but not notes and marked items
3059 $expire_items = true;
3062 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3063 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3064 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3068 while ($item = Item::fetch($items)) {
3069 // don't expire filed items
3071 if (strpos($item['file'], '[') !== false) {
3075 // Only expire posts, not photos and photo comments
3077 if (!$expire_photos && strlen($item['resource-id'])) {
3079 } elseif (!$expire_starred && intval($item['starred'])) {
3081 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3083 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3087 self::markForDeletionById($item['id'], PRIORITY_LOW);
3092 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3095 public static function firstPostDate($uid, $wall = false)
3097 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3098 $params = ['order' => ['received' => false]];
3099 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3100 if (DBA::isResult($thread)) {
3101 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3107 * add/remove activity to an item
3109 * Toggle activities as like,dislike,attend of an item
3111 * @param int $item_id
3112 * @param string $verb
3113 * Activity verb. One of
3114 * like, unlike, dislike, undislike, attendyes, unattendyes,
3115 * attendno, unattendno, attendmaybe, unattendmaybe,
3116 * announce, unannouce
3118 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3119 * @throws \ImagickException
3120 * @hook 'post_local_end'
3122 * 'post_id' => ID of posted item
3124 public static function performActivity(int $item_id, string $verb, int $uid)
3130 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3132 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3133 if (!DBA::isResult($item)) {
3134 Logger::log('like: unknown item ' . $item_id);
3138 $item_uri = $item['uri'];
3140 if (!in_array($item['uid'], [0, $uid])) {
3144 if (!Item::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3145 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3146 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3147 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3148 if (!DBA::isResult($item)) {
3149 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3155 // Retrieves the local post owner
3156 $owner = User::getOwnerDataById($uid);
3157 if (empty($owner)) {
3158 Logger::info('Empty owner for user', ['uid' => $uid]);
3162 // Retrieve the current logged in user's public contact
3163 $author_id = Contact::getIdForURL($owner['url']);
3164 if (empty($author_id)) {
3165 Logger::info('Empty public contact');
3173 $activity = Activity::LIKE;
3177 $activity = Activity::DISLIKE;
3181 $activity = Activity::ATTEND;
3185 $activity = Activity::ATTENDNO;
3188 case 'unattendmaybe':
3189 $activity = Activity::ATTENDMAYBE;
3193 $activity = Activity::FOLLOW;
3197 $activity = Activity::ANNOUNCE;
3200 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3204 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3206 // Enable activity toggling instead of on/off
3207 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3209 // Look for an existing verb row
3210 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3211 if ($event_verb_flag) {
3212 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3214 // Translate to the index based activity index
3216 foreach ($verbs as $verb) {
3217 $vids[] = Verb::getID($verb);
3220 $vids = Verb::getID($activity);
3223 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3224 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3225 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3227 if (DBA::isResult($like_item)) {
3229 * Truth table for existing activities
3231 * | Inputs || Outputs |
3232 * |----------------------------||-------------------|
3233 * | Mode | Event | Same verb || Delete? | Return? |
3234 * |--------|-------|-----------||---------|---------|
3235 * | create | Yes | Yes || No | Yes |
3236 * | create | Yes | No || Yes | No |
3237 * | create | No | Yes || No | Yes |
3238 * | create | No | No || N/A†|
3239 * | delete | Yes | Yes || Yes | N/A‡ |
3240 * | delete | Yes | No || No | N/A‡ |
3241 * | delete | No | Yes || Yes | N/A‡ |
3242 * | delete | No | No || N/A†|
3243 * |--------|-------|-----------||---------|---------|
3244 * | A | B | C || A xor C | !B or C |
3246 * †Can't happen: It's impossible to find an existing non-event activity without
3247 * the same verb because we are only looking for this single verb.
3249 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3251 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3252 self::markForDeletionById($like_item['id']);
3255 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3260 // No need to go further if we aren't creating anything
3261 if ($mode == 'delete') {
3265 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3268 'guid' => System::createUUID(),
3269 'uri' => self::newURI($item['uid']),
3270 'uid' => $item['uid'],
3271 'contact-id' => $owner['id'],
3272 'wall' => $item['wall'],
3274 'network' => Protocol::DFRN,
3275 'gravity' => GRAVITY_ACTIVITY,
3276 'parent' => $item['id'],
3277 'parent-uri' => $item['uri'],
3278 'thr-parent' => $item['uri'],
3279 'owner-id' => $author_id,
3280 'author-id' => $author_id,
3281 'body' => $activity,
3282 'verb' => $activity,
3283 'object-type' => $objtype,
3284 'allow_cid' => $item['allow_cid'],
3285 'allow_gid' => $item['allow_gid'],
3286 'deny_cid' => $item['deny_cid'],
3287 'deny_gid' => $item['deny_gid'],
3292 $signed = Diaspora::createLikeSignature($uid, $new_item);
3293 if (!empty($signed)) {
3294 $new_item['diaspora_signed_text'] = json_encode($signed);
3297 $new_item_id = self::insert($new_item);
3299 // If the parent item isn't visible then set it to visible
3300 if (!$item['visible']) {
3301 self::update(['visible' => true], ['id' => $item['id']]);
3304 $new_item['id'] = $new_item_id;
3306 Hook::callAll('post_local_end', $new_item);
3311 private static function addThread($itemid, $onlyshadow = false)
3313 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3314 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3315 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3316 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3317 $item = self::selectFirst($fields, $condition);
3319 if (!DBA::isResult($item)) {
3323 $item['iid'] = $itemid;
3326 $result = DBA::replace('thread', $item);
3328 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3332 private static function updateThread($itemid, $setmention = false)
3334 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3335 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3336 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3338 $item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3339 if (!DBA::isResult($item)) {
3344 $item["mention"] = 1;
3349 foreach ($item as $field => $data) {
3350 if (!in_array($field, ["guid"])) {
3351 $fields[$field] = $data;
3355 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3357 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3360 private static function deleteThread($itemid, $itemuri = "")
3362 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3363 if (!DBA::isResult($item)) {
3364 Logger::info('No thread found', ['id' => $itemid]);
3368 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3370 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3372 if ($itemuri != "") {
3373 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3374 if (!self::exists($condition)) {
3375 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3376 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3381 public static function getPermissionsSQLByUserId($owner_id)
3383 $local_user = local_user();
3384 $remote_user = Session::getRemoteContactID($owner_id);
3387 * Construct permissions
3389 * default permissions - anonymous user
3391 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3393 // Profile owner - everything is visible
3394 if ($local_user && ($local_user == $owner_id)) {
3396 } elseif ($remote_user) {
3398 * Authenticated visitor. Unless pre-verified,
3399 * check that the contact belongs to this $owner_id
3400 * and load the groups the visitor belongs to.
3401 * If pre-verified, the caller is expected to have already
3402 * done this and passed the groups into this function.
3404 $set = PermissionSet::get($owner_id, $remote_user);
3407 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3412 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3419 * get translated item type
3424 public static function postType($item)
3426 if (!empty($item['event-id'])) {
3427 return DI::l10n()->t('event');
3428 } elseif (!empty($item['resource-id'])) {
3429 return DI::l10n()->t('photo');
3430 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3431 return DI::l10n()->t('activity');
3432 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3433 return DI::l10n()->t('comment');
3436 return DI::l10n()->t('post');
3440 * Sets the "rendered-html" field of the provided item
3442 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3444 * @param array $item
3445 * @param bool $update
3447 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3448 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3450 public static function putInCache(&$item, $update = false)
3452 $body = $item["body"];
3454 $rendered_hash = $item['rendered-hash'] ?? '';
3455 $rendered_html = $item['rendered-html'] ?? '';
3457 if ($rendered_hash == ''
3458 || $rendered_html == ""
3459 || $rendered_hash != hash("md5", $item["body"])
3460 || DI::config()->get("system", "ignore_cache")
3462 self::addRedirToImageTags($item);
3464 $item["rendered-html"] = BBCode::convert($item["body"]);
3465 $item["rendered-hash"] = hash("md5", $item["body"]);
3467 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3468 Hook::callAll('put_item_in_cache', $hook_data);
3469 $item['rendered-html'] = $hook_data['rendered-html'];
3470 $item['rendered-hash'] = $hook_data['rendered-hash'];
3473 // Force an update if the generated values differ from the existing ones
3474 if ($rendered_hash != $item["rendered-hash"]) {
3478 // Only compare the HTML when we forcefully ignore the cache
3479 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3483 if ($update && !empty($item["id"])) {
3486 'rendered-html' => $item["rendered-html"],
3487 'rendered-hash' => $item["rendered-hash"]
3489 ['id' => $item["id"]]
3494 $item["body"] = $body;
3498 * Find any non-embedded images in private items and add redir links to them
3500 * @param array &$item The field array of an item row
3502 private static function addRedirToImageTags(array &$item)
3507 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3509 foreach ($matches as $mtch) {
3510 if (strpos($mtch[1], '/redir') !== false) {
3514 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3515 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3516 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3523 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3524 * If attach is true, also add icons for item attachments.
3526 * @param array $item
3527 * @param boolean $attach
3528 * @param boolean $is_preview
3529 * @return string item body html
3530 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3531 * @throws \ImagickException
3532 * @hook prepare_body_init item array before any work
3533 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3534 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3535 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3537 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3540 Hook::callAll('prepare_body_init', $item);
3542 // In order to provide theme developers more possibilities, event items
3543 // are treated differently.
3544 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3545 $ev = Event::getItemHTML($item);
3549 $tags = Tag::populateFromItem($item);
3551 $item['tags'] = $tags['tags'];
3552 $item['hashtags'] = $tags['hashtags'];
3553 $item['mentions'] = $tags['mentions'];
3555 // Compile eventual content filter reasons
3556 $filter_reasons = [];
3557 if (!$is_preview && public_contact() != $item['author-id']) {
3558 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3559 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3564 'filter_reasons' => $filter_reasons
3566 Hook::callAll('prepare_body_content_filter', $hook_data);
3567 $filter_reasons = $hook_data['filter_reasons'];
3571 // Update the cached values if there is no "zrl=..." on the links.
3572 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3574 // Or update it if the current viewer is the intented viewer.
3575 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3579 self::putInCache($item, $update);
3580 $s = $item["rendered-html"];
3585 'preview' => $is_preview,
3586 'filter_reasons' => $filter_reasons
3588 Hook::callAll('prepare_body', $hook_data);
3589 $s = $hook_data['html'];
3593 // Replace the blockquotes with quotes that are used in mails.
3594 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3595 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3602 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3603 foreach ($matches as $mtch) {
3606 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3608 if (strpos($mime, 'video') !== false) {
3611 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3614 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3616 'id' => $item['author-id'],
3617 'title' => DI::l10n()->t('View Video'),
3624 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3626 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3627 $filesubtype = str_replace('.', '-', $filesubtype);
3630 $filesubtype = 'unkn';
3633 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3634 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3636 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3637 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3641 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3645 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3646 $x = Map::byCoordinates(trim($item['coord']));
3648 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3652 // Replace friendica image url size with theme preference.
3653 if (!empty($a->theme_info['item_image_size'])) {
3654 $ps = $a->theme_info['item_image_size'];
3655 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3658 $s = HTML::applyContentFilter($s, $filter_reasons);
3660 $hook_data = ['item' => $item, 'html' => $s];
3661 Hook::callAll('prepare_body_final', $hook_data);
3663 return $hook_data['html'];
3667 * get private link for item
3669 * @param array $item
3670 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3671 * @throws \Exception
3673 public static function getPlink($item)
3677 'href' => "display/" . $item['guid'],
3678 'orig' => "display/" . $item['guid'],
3679 'title' => DI::l10n()->t('View on separate page'),
3680 'orig_title' => DI::l10n()->t('view on separate page'),
3683 if (!empty($item['plink'])) {
3684 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3685 $ret["title"] = DI::l10n()->t('link to source');
3687 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3689 'href' => $item['plink'],
3690 'orig' => $item['plink'],
3691 'title' => DI::l10n()->t('link to source'),
3701 * Is the given item array a post that is sent as starting post to a forum?
3703 * @param array $item
3704 * @param array $owner
3706 * @return boolean "true" when it is a forum post
3708 public static function isForumPost(array $item, array $owner = [])
3710 if (empty($owner)) {
3711 $owner = User::getOwnerDataById($item['uid']);
3712 if (empty($owner)) {
3717 if (($item['author-id'] == $item['owner-id']) ||
3718 ($owner['id'] == $item['contact-id']) ||
3719 ($item['uri'] != $item['parent-uri']) ||
3724 return Contact::isForum($item['contact-id']);
3728 * Search item id for given URI or plink
3730 * @param string $uri
3731 * @param integer $uid
3733 * @return integer item id
3735 public static function searchByLink($uri, $uid = 0)
3737 $ssl_uri = str_replace('http://', 'https://', $uri);
3738 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3740 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3741 if (DBA::isResult($item)) {
3745 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3746 if (!DBA::isResult($itemcontent)) {
3750 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3751 if (!DBA::isResult($itemuri)) {
3755 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3756 if (DBA::isResult($item)) {
3764 * Return the URI for a link to the post
3766 * @param string $uri URI or link to post
3768 * @return string URI
3770 public static function getURIByLink(string $uri)
3772 $ssl_uri = str_replace('http://', 'https://', $uri);
3773 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3775 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3776 if (DBA::isResult($item)) {
3777 return $item['uri'];
3780 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3781 if (!DBA::isResult($itemcontent)) {
3785 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3786 if (DBA::isResult($itemuri)) {
3787 return $itemuri['uri'];
3794 * Fetches item for given URI or plink
3796 * @param string $uri
3797 * @param integer $uid
3799 * @return integer item id
3801 public static function fetchByLink(string $uri, int $uid = 0)
3803 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3804 $item_id = self::searchByLink($uri, $uid);
3805 if (!empty($item_id)) {
3806 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3810 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3811 $item_id = self::searchByLink($fetched_uri, $uid);
3813 $item_id = Diaspora::fetchByURL($uri);
3816 if (!empty($item_id)) {
3817 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3821 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3826 * Return share data from an item array (if the item is shared item)
3827 * We are providing the complete Item array, because at some time in the future
3828 * we hopefully will define these values not in the body anymore but in some item fields.
3829 * This function is meant to replace all similar functions in the system.
3831 * @param array $item
3833 * @return array with share information
3835 public static function getShareArray($item)
3837 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3841 $attribute_string = $matches[2];
3842 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3843 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3844 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3845 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3852 * Fetch item information for shared items from the original items and adds it.
3854 * @param array $item
3856 * @return array item array with data from the original item
3858 public static function addShareDataFromOriginal(array $item)
3860 $shared = self::getShareArray($item);
3861 if (empty($shared)) {
3865 // Real reshares always have got a GUID.
3866 if (empty($shared['guid'])) {
3870 $uid = $item['uid'] ?? 0;
3872 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3873 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3874 if (!DBA::isResult($shared_item)) {
3875 if (empty($shared['link'])) {
3879 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3880 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3882 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3886 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3887 if (!DBA::isResult($shared_item)) {
3890 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3892 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3895 if (!empty($shared_item['title'])) {
3896 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3897 unset($shared_item['title']);
3899 $body = $shared_item['body'];
3902 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3903 unset($shared_item['body']);
3905 return array_merge($item, $shared_item);