3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
34 use Friendica\Database\DBStructure;
36 use Friendica\Model\Post\Category;
37 use Friendica\Protocol\Activity;
38 use Friendica\Protocol\ActivityPub;
39 use Friendica\Protocol\Diaspora;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Strings;
44 use Friendica\Worker\Delivery;
45 use Text_LanguageDetect;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
60 const PT_PERSONAL_NOTE = 128;
62 // Field list that is used to display the items
63 const DISPLAY_FIELDLIST = [
64 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
65 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
66 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
67 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
68 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
69 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
70 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
71 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
72 'writable', 'self', 'cid', 'alias', 'pinned',
73 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
74 'event-summary', 'event-desc', 'event-location', 'event-type',
75 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
76 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
79 // Field list that is used to deliver items via the protocols
80 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
81 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
82 'private', 'title', 'body', 'location', 'coord', 'app',
83 'attach', 'deleted', 'extid', 'post-type', 'gravity',
84 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
85 'author-id', 'author-link', 'owner-link', 'contact-uid',
86 'signed_text', 'signature', 'signer', 'network'];
88 // Field list for "item-content" table that is mixed with the item table
89 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
90 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
91 'object-type', 'object', 'target-type', 'target', 'plink'];
93 // Field list for "item-content" table that is not present in the "item" table
94 const CONTENT_FIELDLIST = ['language'];
96 // All fields in the item table
97 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
98 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
99 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
100 'created', 'edited', 'commented', 'received', 'changed', 'verb',
101 'postopts', 'plink', 'resource-id', 'event-id', 'attach', 'inform',
102 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
103 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
104 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
105 'title', 'content-warning', 'body', 'location', 'coord', 'app',
106 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
107 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
108 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
110 // List of all verbs that don't need additional content data.
111 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
113 Activity::LIKE, Activity::DISLIKE,
114 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
122 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
124 private static $legacy_mode = null;
126 private static function getItemFields()
128 $definition = DBStructure::definition('', false);
131 foreach (self::TABLES as $table) {
132 $postfields[$table] = array_keys($definition[$table]['fields']);
138 public static function isLegacyMode()
140 if (is_null(self::$legacy_mode)) {
141 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
144 return self::$legacy_mode;
148 * Set the pinned state of an item
150 * @param integer $iid Item ID
151 * @param integer $uid User ID
152 * @param boolean $pinned Pinned state
154 public static function setPinned(int $iid, int $uid, bool $pinned)
156 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
160 * Get the pinned state
162 * @param integer $iid Item ID
163 * @param integer $uid User ID
165 * @return boolean pinned state
167 public static function getPinned(int $iid, int $uid)
169 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
170 if (!DBA::isResult($useritem)) {
173 return (bool)$useritem['pinned'];
177 * Select pinned rows from the item table for a given user
179 * @param integer $uid User ID
180 * @param array $selected Array of selected fields, empty for all
181 * @param array $condition Array of fields for condition
182 * @param array $params Array of several parameters
184 * @return boolean|object
187 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
189 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
190 if (!DBA::isResult($useritems)) {
195 while ($useritem = DBA::fetch($useritems)) {
196 $pinned[] = $useritem['iid'];
198 DBA::close($useritems);
200 if (empty($pinned)) {
204 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
206 return self::selectThreadForUser($uid, $selected, $condition, $params);
210 * Fetch a single item row
212 * @param mixed $stmt statement object
213 * @return array current row
215 public static function fetch($stmt)
217 $row = DBA::fetch($stmt);
223 // ---------------------- Transform item structure data ----------------------
225 // We prefer the data from the user's contact over the public one
226 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
227 ($row['author-link'] == $row['contact-link'])) {
228 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
229 $row['author-avatar'] = $row['contact-avatar'];
231 if (isset($row['author-name']) && !empty($row['contact-name'])) {
232 $row['author-name'] = $row['contact-name'];
236 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
237 ($row['owner-link'] == $row['contact-link'])) {
238 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
239 $row['owner-avatar'] = $row['contact-avatar'];
241 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
242 $row['owner-name'] = $row['contact-name'];
246 // We can always comment on posts from these networks
247 if (array_key_exists('writable', $row) &&
248 in_array($row['internal-network'], Protocol::FEDERATED)) {
249 $row['writable'] = true;
252 // ---------------------- Transform item content data ----------------------
254 // Fetch data from the item-content table whenever there is content there
255 if (self::isLegacyMode()) {
256 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
257 foreach ($legacy_fields as $field) {
258 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
259 $row[$field] = $row['internal-item-' . $field];
261 unset($row['internal-item-' . $field]);
265 if (array_key_exists('verb', $row)) {
266 if (!is_null($row['internal-verb'])) {
267 $row['verb'] = $row['internal-verb'];
270 if (in_array($row['verb'], self::ACTIVITIES)) {
271 if (array_key_exists('title', $row)) {
274 if (array_key_exists('body', $row)) {
275 $row['body'] = $row['verb'];
277 if (array_key_exists('object', $row)) {
280 if (array_key_exists('object-type', $row)) {
281 $row['object-type'] = Activity\ObjectType::NOTE;
283 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
284 // Posts don't have a target - but having tags or files.
285 if (array_key_exists('target', $row)) {
291 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
292 $row['vid'] = Verb::getID($row['verb']);
295 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
296 // Build the file string out of the term entries
297 if (array_key_exists('file', $row) && empty($row['file'])) {
298 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
302 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
303 if (array_key_exists('allow_cid', $row)) {
304 $row['allow_cid'] = '';
306 if (array_key_exists('allow_gid', $row)) {
307 $row['allow_gid'] = '';
309 if (array_key_exists('deny_cid', $row)) {
310 $row['deny_cid'] = '';
312 if (array_key_exists('deny_gid', $row)) {
313 $row['deny_gid'] = '';
317 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
318 $row['ignored'] = $row['internal-user-ignored'];
321 // Remove internal fields
322 unset($row['internal-network']);
323 unset($row['internal-uri-id']);
324 unset($row['internal-uid']);
325 unset($row['internal-psid']);
326 unset($row['internal-verb']);
327 unset($row['internal-user-ignored']);
328 unset($row['interaction']);
334 * Fills an array with data from an item query
336 * @param object $stmt statement object
337 * @param bool $do_close
338 * @return array Data array
340 public static function inArray($stmt, $do_close = true) {
341 if (is_bool($stmt)) {
346 while ($row = self::fetch($stmt)) {
356 * Check if item data exists
358 * @param array $condition array of fields for condition
360 * @return boolean Are there rows for that condition?
363 public static function exists($condition) {
364 $stmt = self::select(['id'], $condition, ['limit' => 1]);
366 if (is_bool($stmt)) {
369 $retval = (DBA::numRows($stmt) > 0);
378 * Retrieve a single record from the item table for a given user and returns it in an associative array
380 * @param integer $uid User ID
381 * @param array $selected
382 * @param array $condition
383 * @param array $params
388 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
390 $params['uid'] = $uid;
392 if (empty($selected)) {
393 $selected = Item::DISPLAY_FIELDLIST;
396 return self::selectFirst($selected, $condition, $params);
400 * Select rows from the item table for a given user
402 * @param integer $uid User ID
403 * @param array $selected Array of selected fields, empty for all
404 * @param array $condition Array of fields for condition
405 * @param array $params Array of several parameters
407 * @return boolean|object
410 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
412 $params['uid'] = $uid;
414 if (empty($selected)) {
415 $selected = Item::DISPLAY_FIELDLIST;
418 return self::select($selected, $condition, $params);
422 * Retrieve a single record from the item table and returns it in an associative array
424 * @param array $fields
425 * @param array $condition
426 * @param array $params
431 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
433 $params['limit'] = 1;
435 $result = self::select($fields, $condition, $params);
437 if (is_bool($result)) {
440 $row = self::fetch($result);
447 * Select rows from the item table and returns them as an array
449 * @param array $selected Array of selected fields, empty for all
450 * @param array $condition Array of fields for condition
451 * @param array $params Array of several parameters
456 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
458 $result = self::select($fields, $condition, $params);
460 if (is_bool($result)) {
465 while ($row = self::fetch($result)) {
474 * Select rows from the item table
476 * @param array $selected Array of selected fields, empty for all
477 * @param array $condition Array of fields for condition
478 * @param array $params Array of several parameters
480 * @return boolean|object
483 public static function select(array $selected = [], array $condition = [], $params = [])
488 if (isset($params['uid'])) {
489 $uid = $params['uid'];
493 $fields = self::fieldlist($usermode);
495 $select_fields = self::constructSelectFields($fields, $selected);
497 $condition_string = DBA::buildCondition($condition);
499 $condition_string = self::addTablesToFields($condition_string, $fields);
502 $condition_string = $condition_string . ' AND ' . self::condition(false);
505 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
507 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
509 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
511 return DBA::p($sql, $condition);
515 * Select rows from the starting post in the item table
517 * @param integer $uid User ID
518 * @param array $selected
519 * @param array $condition Array of fields for condition
520 * @param array $params Array of several parameters
522 * @return boolean|object
525 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
527 $params['uid'] = $uid;
529 if (empty($selected)) {
530 $selected = Item::DISPLAY_FIELDLIST;
533 return self::selectThread($selected, $condition, $params);
537 * Retrieve a single record from the starting post in the item table and returns it in an associative array
539 * @param integer $uid User ID
540 * @param array $selected
541 * @param array $condition
542 * @param array $params
547 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
549 $params['uid'] = $uid;
551 if (empty($selected)) {
552 $selected = Item::DISPLAY_FIELDLIST;
555 return self::selectFirstThread($selected, $condition, $params);
559 * Retrieve a single record from the starting post in the item table and returns it in an associative array
561 * @param array $fields
562 * @param array $condition
563 * @param array $params
568 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
570 $params['limit'] = 1;
571 $result = self::selectThread($fields, $condition, $params);
573 if (is_bool($result)) {
576 $row = self::fetch($result);
583 * Select rows from the starting post in the item table
585 * @param array $selected Array of selected fields, empty for all
586 * @param array $condition Array of fields for condition
587 * @param array $params Array of several parameters
589 * @return boolean|object
592 public static function selectThread(array $selected = [], array $condition = [], $params = [])
597 if (isset($params['uid'])) {
598 $uid = $params['uid'];
602 $fields = self::fieldlist($usermode);
604 $fields['thread'] = ['mention', 'ignored', 'iid'];
606 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
607 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
608 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
609 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
611 $select_fields = self::constructSelectFields($fields, $selected);
613 $condition_string = DBA::buildCondition($condition);
615 $condition_string = self::addTablesToFields($condition_string, $threadfields);
616 $condition_string = self::addTablesToFields($condition_string, $fields);
619 $condition_string = $condition_string . ' AND ' . self::condition(true);
622 $param_string = DBA::buildParameter($params);
623 $param_string = self::addTablesToFields($param_string, $threadfields);
624 $param_string = self::addTablesToFields($param_string, $fields);
626 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
628 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
630 return DBA::p($sql, $condition);
634 * Returns a list of fields that are associated with the item table
637 * @return array field list
639 private static function fieldlist($usermode)
643 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
644 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
645 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
646 'created', 'edited', 'commented', 'received', 'changed', 'psid',
647 'resource-id', 'event-id', 'attach', 'post-type', 'file',
648 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
649 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
650 'id' => 'item_id', 'network', 'icid',
651 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
652 'network' => 'internal-network', 'psid' => 'internal-psid'];
655 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
658 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
660 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
662 $fields['verb'] = ['name' => 'internal-verb'];
664 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
666 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
667 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
669 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
670 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
672 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
673 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
674 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
676 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
678 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
679 'network' => 'parent-author-network'];
681 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
682 'start' => 'event-start','finish' => 'event-finish',
683 'summary' => 'event-summary','desc' => 'event-desc',
684 'location' => 'event-location', 'type' => 'event-type',
685 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
686 'ignore' => 'event-ignore', 'id' => 'event-id'];
688 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
694 * Returns SQL condition for the "select" functions
696 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
698 * @return string SQL condition
700 private static function condition($thread_mode)
703 $master_table = "`thread`";
705 $master_table = "`item`";
707 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
708 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
709 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
710 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
711 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
712 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
713 GRAVITY_PARENT, GRAVITY_PARENT);
717 * Returns all needed "JOIN" commands for the "select" functions
719 * @param integer $uid User ID
720 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
721 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
724 * @return string The SQL joins for the "select" functions
726 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
729 $master_table = "`thread`";
730 $master_table_key = "`thread`.`iid`";
731 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
733 $master_table = "`item`";
734 $master_table_key = "`item`.`id`";
739 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
740 AND NOT `contact`.`blocked`
741 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
742 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
743 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
744 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
745 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
746 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
747 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
748 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
750 if (strpos($sql_commands, "`contact`.") !== false) {
751 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
753 if (strpos($sql_commands, "`author`.") !== false) {
754 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
756 if (strpos($sql_commands, "`owner`.") !== false) {
757 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
761 if (strpos($sql_commands, "`group_member`.") !== false) {
762 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
765 if (strpos($sql_commands, "`user`.") !== false) {
766 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
769 if (strpos($sql_commands, "`event`.") !== false) {
770 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
773 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
774 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
777 if (strpos($sql_commands, "`item-content`.") !== false) {
778 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
781 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
782 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
785 if (strpos($sql_commands, "`verb`.") !== false) {
786 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
789 if (strpos($sql_commands, "`permissionset`.") !== false) {
790 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
793 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
794 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
796 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
797 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
805 * Add the field list for the "select" functions
807 * @param array $fields The field definition array
808 * @param array $selected The array with the selected fields from the "select" functions
810 * @return string The field list
812 private static function constructSelectFields(array $fields, array $selected)
814 if (!empty($selected)) {
815 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
818 if (in_array('verb', $selected)) {
819 $selected = array_merge($selected, ['internal-verb']);
822 if (in_array('ignored', $selected)) {
823 $selected[] = 'internal-user-ignored';
826 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
829 foreach ($fields as $table => $table_fields) {
830 foreach ($table_fields as $field => $select) {
831 if (empty($selected) || in_array($select, $selected)) {
832 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
833 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
835 if (is_int($field)) {
836 $selection[] = "`" . $table . "`.`" . $select . "`";
838 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
843 return implode(", ", $selection);
847 * add table definition to fields in an SQL query
849 * @param string $query SQL query
850 * @param array $fields The field definition array
852 * @return string the changed SQL query
854 private static function addTablesToFields($query, $fields)
856 foreach ($fields as $table => $table_fields) {
857 foreach ($table_fields as $alias => $field) {
858 if (is_int($alias)) {
859 $replace_field = $field;
861 $replace_field = $alias;
864 $search = "/([^\.])`" . $field . "`/i";
865 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
866 $query = preg_replace($search, $replace, $query);
873 * Update existing item entries
875 * @param array $fields The fields that are to be changed
876 * @param array $condition The condition for finding the item entries
878 * In the future we may have to change permissions as well.
879 * Then we had to add the user id as third parameter.
881 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
883 * @return integer|boolean number of affected rows - or "false" if there was an error
884 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
886 public static function update(array $fields, array $condition)
888 if (empty($condition) || empty($fields)) {
892 // To ensure the data integrity we do it in an transaction
895 // We cannot simply expand the condition to check for origin entries
896 // The condition needn't to be a simple array but could be a complex condition.
897 // And we have to execute this query before the update to ensure to fetch the same data.
898 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
900 $content_fields = [];
901 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
902 if (isset($fields[$field])) {
903 $content_fields[$field] = $fields[$field];
904 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
905 unset($fields[$field]);
907 $fields[$field] = null;
912 $delivery_data = Post\DeliveryData::extractFields($fields);
914 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
915 foreach ($clear_fields as $field) {
916 if (array_key_exists($field, $fields)) {
917 $fields[$field] = null;
921 if (array_key_exists('file', $fields)) {
922 $files = $fields['file'];
923 $fields['file'] = null;
928 if (!empty($content_fields['verb'])) {
929 $fields['vid'] = Verb::getID($content_fields['verb']);
932 if (!empty($fields)) {
933 $success = DBA::update('item', $fields, $condition);
942 // When there is no content for the "old" item table, this will count the fetched items
943 $rows = DBA::affectedRows();
947 while ($item = DBA::fetch($items)) {
948 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
949 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
951 if (empty($item['icid'])) {
952 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
953 if (DBA::isResult($item_content)) {
954 $item_fields = ['icid' => $item_content['id']];
955 // Clear all fields in the item table that have a content in the item-content table
956 if (self::isLegacyMode()) {
957 foreach ($item_content as $field => $content) {
958 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
959 $item_fields[$field] = null;
963 DBA::update('item', $item_fields, ['id' => $item['id']]);
968 if (!is_null($files)) {
969 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
970 if (!empty($item['file'])) {
971 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
975 Post\DeliveryData::update($item['uri-id'], $delivery_data);
977 self::updateThread($item['id']);
979 // We only need to notfiy others when it is an original entry from us.
980 // Only call the notifier when the item has some content relevant change.
981 if ($item['origin'] && in_array('edited', array_keys($fields))) {
982 $notify_items[] = $item['id'];
989 foreach ($notify_items as $notify_item) {
990 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
997 * Delete an item and notify others about it - if it was ours
999 * @param array $condition The condition for finding the item entries
1000 * @param integer $priority Priority for the notification
1001 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1003 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1005 $items = self::select(['id'], $condition);
1006 while ($item = self::fetch($items)) {
1007 self::markForDeletionById($item['id'], $priority);
1013 * Delete an item for an user and notify others about it - if it was ours
1015 * @param array $condition The condition for finding the item entries
1016 * @param integer $uid User who wants to delete this item
1017 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1019 public static function deleteForUser($condition, $uid)
1025 $items = self::select(['id', 'uid'], $condition);
1026 while ($item = self::fetch($items)) {
1027 // "Deleting" global items just means hiding them
1028 if ($item['uid'] == 0) {
1029 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1031 // Delete notifications
1032 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1033 } elseif ($item['uid'] == $uid) {
1034 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1036 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1043 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1045 * @param integer $item_id
1046 * @param integer $priority Priority for the notification
1048 * @return boolean success
1049 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1051 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1053 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1054 // locate item to be deleted
1055 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1056 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1057 'verb', 'object-type', 'object', 'target', 'contact-id',
1058 'icid', 'psid', 'gravity'];
1059 $item = self::selectFirst($fields, ['id' => $item_id]);
1060 if (!DBA::isResult($item)) {
1061 Logger::info('Item not found.', ['id' => $item_id]);
1065 if ($item['deleted']) {
1066 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1070 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1071 if (!DBA::isResult($parent)) {
1072 $parent = ['origin' => false];
1075 // clean up categories and tags so they don't end up as orphans
1078 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1081 foreach ($matches as $mtch) {
1082 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1088 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1091 foreach ($matches as $mtch) {
1092 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1097 * If item is a link to a photo resource, nuke all the associated photos
1098 * (visitors will not have photo resources)
1099 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1100 * generate a resource-id and therefore aren't intimately linked to the item.
1102 /// @TODO: this should first check if photo is used elsewhere
1103 if (strlen($item['resource-id'])) {
1104 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1107 // If item is a link to an event, delete the event.
1108 if (intval($item['event-id'])) {
1109 Event::delete($item['event-id']);
1112 // If item has attachments, drop them
1113 /// @TODO: this should first check if attachment is used elsewhere
1114 foreach (explode(",", $item['attach']) as $attach) {
1115 preg_match("|attach/(\d+)|", $attach, $matches);
1116 if (is_array($matches) && count($matches) > 1) {
1117 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1121 // Delete notifications
1122 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1124 // Set the item to "deleted"
1125 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1126 DBA::update('item', $item_fields, ['id' => $item['id']]);
1128 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1129 self::deleteThread($item['id'], $item['parent-uri']);
1131 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1132 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1135 Post\DeliveryData::delete($item['uri-id']);
1137 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1138 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1140 // When the permission set will be used in photo and events as well,
1141 // this query here needs to be extended.
1142 // @todo Currently deactivated. We need the permission set in the deletion process.
1143 // This is a reminder to add the removal somewhere else.
1144 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1145 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1148 // If it's the parent of a comment thread, kill all the kids
1149 if ($item['gravity'] == GRAVITY_PARENT) {
1150 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1153 // Is it our comment and/or our thread?
1154 if ($item['origin'] || $parent['origin']) {
1155 // When we delete the original post we will delete all existing copies on the server as well
1156 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1158 // send the notification upstream/downstream
1159 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1160 } elseif ($item['uid'] != 0) {
1162 // When we delete just our local user copy of an item, we have to set a marker to hide it
1163 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1164 if (DBA::isResult($global_item)) {
1165 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1169 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1175 private static function guid($item, $notify)
1177 if (!empty($item['guid'])) {
1178 return Strings::escapeTags(trim($item['guid']));
1182 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1183 // We add the hash of our own host because our host is the original creator of the post.
1184 $prefix_host = DI::baseUrl()->getHostname();
1188 // We are only storing the post so we create a GUID from the original hostname.
1189 if (!empty($item['author-link'])) {
1190 $parsed = parse_url($item['author-link']);
1191 if (!empty($parsed['host'])) {
1192 $prefix_host = $parsed['host'];
1196 if (empty($prefix_host) && !empty($item['plink'])) {
1197 $parsed = parse_url($item['plink']);
1198 if (!empty($parsed['host'])) {
1199 $prefix_host = $parsed['host'];
1203 if (empty($prefix_host) && !empty($item['uri'])) {
1204 $parsed = parse_url($item['uri']);
1205 if (!empty($parsed['host'])) {
1206 $prefix_host = $parsed['host'];
1210 // Is it in the format data@host.tld? - Used for mail contacts
1211 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1212 $mailparts = explode('@', $item['author-link']);
1213 $prefix_host = array_pop($mailparts);
1217 if (!empty($item['plink'])) {
1218 $guid = self::guidFromUri($item['plink'], $prefix_host);
1219 } elseif (!empty($item['uri'])) {
1220 $guid = self::guidFromUri($item['uri'], $prefix_host);
1222 $guid = System::createUUID(hash('crc32', $prefix_host));
1228 private static function contactId($item)
1230 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1231 return $item['contact-id'];
1232 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1233 return $item['contact-id'];
1234 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1235 return $item['author-id'];
1236 } elseif (!empty($item['contact-id'])) {
1237 return $item['contact-id'];
1239 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1240 if (!empty($contact_id)) {
1244 return $item['author-id'];
1247 // This function will finally cover most of the preparation functionality in mod/item.php
1248 public static function prepare(&$item)
1251 * @TODO: Unused code triggering inspection errors
1253 $data = BBCode::getAttachmentData($item['body']);
1254 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1255 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1256 $posttype = Item::PT_PAGE;
1257 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1263 * Write an item array into a spool file to be inserted later.
1264 * This command is called whenever there are issues storing an item.
1266 * @param array $item The item fields that are to be inserted
1267 * @throws \Exception
1269 private static function spool($orig_item)
1271 // Now we store the data in the spool directory
1272 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1273 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1275 $spoolpath = get_spoolpath();
1276 if ($spoolpath != "") {
1277 $spool = $spoolpath . '/' . $file;
1279 file_put_contents($spool, json_encode($orig_item));
1280 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1285 * Check if the item array is a duplicate
1287 * @param array $item
1288 * @return boolean is it a duplicate?
1290 private static function isDuplicate(array $item)
1292 // Checking if there is already an item with the same guid
1293 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1294 if (self::exists($condition)) {
1295 Logger::notice('Found already existing item', [
1296 'guid' => $item['guid'],
1297 'uid' => $item['uid'],
1298 'network' => $item['network']
1303 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1304 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1305 if (self::exists($condition)) {
1306 Logger::notice('duplicated item with the same uri found.', $item);
1310 // On Friendica and Diaspora the GUID is unique
1311 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1312 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1313 if (self::exists($condition)) {
1314 Logger::notice('duplicated item with the same guid found.', $item);
1317 } elseif ($item['network'] == Protocol::OSTATUS) {
1318 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1319 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1320 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1321 if (self::exists($condition)) {
1322 Logger::notice('duplicated item with the same body found.', $item);
1328 * Check for already added items.
1329 * There is a timing issue here that sometimes creates double postings.
1330 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1332 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1333 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1341 * Check if the item array is valid
1343 * @param array $item
1344 * @return boolean item is valid
1346 public static function isValid(array $item)
1348 // When there is no content then we don't post it
1349 if ($item['body'].$item['title'] == '') {
1350 Logger::notice('No body, no title.');
1354 // check for create date and expire time
1355 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1357 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1358 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1359 $expire_interval = $user['expire'];
1362 if (($expire_interval > 0) && !empty($item['created'])) {
1363 $expire_date = time() - ($expire_interval * 86400);
1364 $created_date = strtotime($item['created']);
1365 if ($created_date < $expire_date) {
1366 Logger::notice('Item created before expiration interval.', [
1367 'created' => date('c', $created_date),
1368 'expired' => date('c', $expire_date),
1375 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1376 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1380 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1381 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1385 if (!empty($item['uid']) && !empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $item['uid'])) {
1386 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1390 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1391 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1395 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1396 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1400 if (!empty($item['uid']) && !empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $item['uid'])) {
1401 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1405 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1406 if (!empty($item['uid']) && !empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $item['uid'])) {
1407 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1411 if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact\User::isIgnored($item['causer-id'], $item['uid'])) {
1412 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1416 if ($item['verb'] == Activity::FOLLOW) {
1417 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1418 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1419 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1423 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1424 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1425 if (self::exists($condition)) {
1426 // It happens that we receive multiple follow requests by the same author - we only store one.
1427 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1436 * Return the id of the given item array if it has been stored before
1438 * @param array $item
1439 * @return integer item id
1441 private static function getDuplicateID(array $item)
1443 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1444 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1445 trim($item['uri']), $item['uid'],
1446 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1447 $existing = self::selectFirst(['id', 'network'], $condition);
1448 if (DBA::isResult($existing)) {
1449 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1450 if ($item['uid'] != 0) {
1451 Logger::notice('Item already existed for user', [
1452 'uri' => $item['uri'],
1453 'uid' => $item['uid'],
1454 'network' => $item['network'],
1455 'existing_id' => $existing["id"],
1456 'existing_network' => $existing["network"]
1460 return $existing["id"];
1467 * Fetch parent data for the given item array
1469 * @param array $item
1470 * @return array item array with parent data
1472 private static function getParentData(array $item)
1474 // find the parent and snarf the item id and ACLs
1475 // and anything else we need to inherit
1477 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1478 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1479 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1480 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1481 $params = ['order' => ['id' => false]];
1482 $parent = self::selectFirst($fields, $condition, $params);
1484 if (!DBA::isResult($parent)) {
1485 Logger::info('item parent was not found - ignoring item', ['parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]);
1488 // is the new message multi-level threaded?
1489 // even though we don't support it now, preserve the info
1490 // and re-attach to the conversation parent.
1491 if ($parent['uri'] != $parent['parent-uri']) {
1492 $item['parent-uri'] = $parent['parent-uri'];
1494 $condition = ['uri' => $item['parent-uri'],
1495 'parent-uri' => $item['parent-uri'],
1496 'uid' => $item['uid']];
1497 $params = ['order' => ['id' => false]];
1498 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1500 if (DBA::isResult($toplevel_parent)) {
1501 $parent = $toplevel_parent;
1505 $item['parent'] = $parent['id'];
1506 $item["deleted"] = $parent['deleted'];
1507 $item["allow_cid"] = $parent['allow_cid'];
1508 $item['allow_gid'] = $parent['allow_gid'];
1509 $item['deny_cid'] = $parent['deny_cid'];
1510 $item['deny_gid'] = $parent['deny_gid'];
1511 $item['parent_origin'] = $parent['origin'];
1513 // Don't federate received participation messages
1514 if ($item['verb'] != Activity::FOLLOW) {
1515 $item['wall'] = $parent['wall'];
1517 $item['wall'] = false;
1521 * If the parent is private, force privacy for the entire conversation
1522 * This differs from the above settings as it subtly allows comments from
1523 * email correspondents to be private even if the overall thread is not.
1525 if ($parent['private']) {
1526 $item['private'] = $parent['private'];
1530 * Edge case. We host a public forum that was originally posted to privately.
1531 * The original author commented, but as this is a comment, the permissions
1532 * weren't fixed up so it will still show the comment as private unless we fix it here.
1534 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1535 $item['private'] = self::PUBLIC;
1538 // If its a post that originated here then tag the thread as "mention"
1539 if ($item['origin'] && $item['uid']) {
1540 DBA::update('thread', ['mention' => true], ['iid' => $item['parent']]);
1541 Logger::info('tagged thread as mention', ['parent' => $item['parent'], 'uid' => $item['uid']]);
1544 // Update the contact relations
1545 Contact\Relation::store($parent['author-id'], $item['author-id'], $item['created']);
1552 * Get the gravity for the given item array
1554 * @param array $item
1555 * @return integer gravity
1557 private static function getGravity(array $item)
1559 $activity = DI::activity();
1561 if (isset($item['gravity'])) {
1562 return intval($item['gravity']);
1563 } elseif ($item['parent-uri'] === $item['uri']) {
1564 return GRAVITY_PARENT;
1565 } elseif ($activity->match($item['verb'], Activity::POST)) {
1566 return GRAVITY_COMMENT;
1567 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1568 return GRAVITY_ACTIVITY;
1569 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1570 return GRAVITY_ACTIVITY;
1572 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1573 return GRAVITY_UNKNOWN; // Should not happen
1576 public static function insert($item, $notify = false, $dontcache = false)
1578 $structure = self::getItemFields();
1582 $priority = PRIORITY_HIGH;
1584 // If it is a posting where users should get notifications, then define it as wall posting
1587 $item['origin'] = 1;
1588 $item['network'] = Protocol::DFRN;
1589 $item['protocol'] = Conversation::PARCEL_DFRN;
1591 if (is_int($notify)) {
1592 $priority = $notify;
1595 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1598 $uid = intval($item['uid']);
1600 $item['guid'] = self::guid($item, $notify);
1601 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1604 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1606 // Store conversation data
1607 $item = Conversation::insert($item);
1609 if (!empty($item['thr-parent'])) {
1610 $item['parent-uri'] = $item['thr-parent'];
1614 * Do we already have this item?
1615 * We have to check several networks since Friendica posts could be repeated
1616 * via OStatus (maybe Diasporsa as well)
1618 $duplicate = self::getDuplicateID($item);
1623 // Additional duplicate checks
1624 /// @todo Check why the first duplication check returns the item number and the second a 0
1625 if (self::isDuplicate($item)) {
1629 $item['wall'] = intval($item['wall'] ?? 0);
1630 $item['extid'] = trim($item['extid'] ?? '');
1631 $item['author-name'] = trim($item['author-name'] ?? '');
1632 $item['author-link'] = trim($item['author-link'] ?? '');
1633 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1634 $item['owner-name'] = trim($item['owner-name'] ?? '');
1635 $item['owner-link'] = trim($item['owner-link'] ?? '');
1636 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1637 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1638 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1639 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1640 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1641 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1642 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1643 $item['location'] = trim($item['location'] ?? '');
1644 $item['coord'] = trim($item['coord'] ?? '');
1645 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1646 $item['deleted'] = 0;
1647 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1648 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1649 $item['verb'] = trim($item['verb'] ?? '');
1650 $item['object-type'] = trim($item['object-type'] ?? '');
1651 $item['object'] = trim($item['object'] ?? '');
1652 $item['target-type'] = trim($item['target-type'] ?? '');
1653 $item['target'] = trim($item['target'] ?? '');
1654 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1655 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1656 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1657 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1658 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1659 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1660 $item['body'] = trim($item['body'] ?? '');
1661 $item['attach'] = trim($item['attach'] ?? '');
1662 $item['app'] = trim($item['app'] ?? '');
1663 $item['origin'] = intval($item['origin'] ?? 0);
1664 $item['postopts'] = trim($item['postopts'] ?? '');
1665 $item['resource-id'] = trim($item['resource-id'] ?? '');
1666 $item['event-id'] = intval($item['event-id'] ?? 0);
1667 $item['inform'] = trim($item['inform'] ?? '');
1668 $item['file'] = trim($item['file'] ?? '');
1670 // Items cannot be stored before they happen ...
1671 if ($item['created'] > DateTimeFormat::utcNow()) {
1672 $item['created'] = DateTimeFormat::utcNow();
1675 // We haven't invented time travel by now.
1676 if ($item['edited'] > DateTimeFormat::utcNow()) {
1677 $item['edited'] = DateTimeFormat::utcNow();
1680 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1682 $item['language'] = self::getLanguage($item);
1684 $item['gravity'] = self::getGravity($item);
1686 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1687 'photo' => $item['author-avatar'], 'network' => $item['network']];
1688 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1690 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1691 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1692 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1694 // Ensure that there is an avatar cache
1695 Contact::checkAvatarCache($item['author-id']);
1696 Contact::checkAvatarCache($item['owner-id']);
1698 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1699 $item["contact-id"] = self::contactId($item);
1701 if (!self::isValid($item)) {
1705 // We don't store the causer, we only have it here for the checks in the function above
1706 unset($item['causer-id']);
1707 unset($item['causer-link']);
1709 // We don't store these fields anymore in the item table
1710 unset($item['author-link']);
1711 unset($item['author-name']);
1712 unset($item['author-avatar']);
1713 unset($item['author-network']);
1715 unset($item['owner-link']);
1716 unset($item['owner-name']);
1717 unset($item['owner-avatar']);
1719 $item['thr-parent'] = $item['parent-uri'];
1721 if ($item['parent-uri'] != $item['uri']) {
1722 $item = self::getParentData($item);
1727 $parent_id = $item['parent'];
1728 unset($item['parent']);
1729 $parent_origin = $item['parent_origin'];
1730 unset($item['parent_origin']);
1733 $parent_origin = $item['origin'];
1736 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1737 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1739 // Is this item available in the global items (with uid=0)?
1740 if ($item["uid"] == 0) {
1741 $item["global"] = true;
1743 // Set the global flag on all items if this was a global item entry
1744 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1746 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1750 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1751 $item["private"] = self::PRIVATE;
1755 $item['edit'] = false;
1756 $item['parent'] = $parent_id;
1757 Hook::callAll('post_local', $item);
1758 unset($item['edit']);
1759 unset($item['parent']);
1761 Hook::callAll('post_remote', $item);
1764 if (!empty($item['cancel'])) {
1765 Logger::log('post cancelled by addon.');
1769 if (empty($item['vid']) && !empty($item['verb'])) {
1770 $item['vid'] = Verb::getID($item['verb']);
1773 // Creates or assigns the permission set
1774 $item['psid'] = PermissionSet::getIdFromACL(
1782 unset($item['allow_cid']);
1783 unset($item['allow_gid']);
1784 unset($item['deny_cid']);
1785 unset($item['deny_gid']);
1787 // This array field is used to trigger some automatic reactions
1788 // It is mainly used in the "post_local" hook.
1789 unset($item['api_source']);
1791 if ($item['verb'] == Activity::ANNOUNCE) {
1792 self::setOwnerforResharedItem($item);
1795 // Check for hashtags in the body and repair or add hashtag links
1796 $item['body'] = self::setHashtags($item['body']);
1798 // Fill the cache field
1799 self::putInCache($item);
1801 if (stristr($item['verb'], Activity::POKE)) {
1802 $notify_type = Delivery::POKE;
1804 $notify_type = Delivery::POST;
1807 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1811 if (!in_array($item['verb'], self::ACTIVITIES)) {
1812 $item['icid'] = self::insertContent($item);
1815 $body = $item['body'];
1817 // We just remove everything that is content
1818 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1819 unset($item[$field]);
1822 unset($item['activity']);
1824 // Filling item related side tables
1826 // Diaspora signature
1827 if (!empty($item['diaspora_signed_text'])) {
1828 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']], true);
1831 unset($item['diaspora_signed_text']);
1833 // Attached file links
1834 if (!empty($item['file'])) {
1835 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1838 unset($item['file']);
1840 // Delivery relevant data
1841 $delivery_data = Post\DeliveryData::extractFields($item);
1842 unset($item['postopts']);
1843 unset($item['inform']);
1845 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1846 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1849 // Store tags from the body if this hadn't been handled previously in the protocol classes
1850 if (!Tag::existsForPost($item['uri-id'])) {
1851 Tag::storeFromBody($item['uri-id'], $body);
1854 // Remove all fields that aren't part of the item table
1855 foreach ($item as $field => $value) {
1856 if (!in_array($field, $structure['item'])) {
1857 unset($item[$field]);
1861 $ret = DBA::insert('item', $item);
1863 // When the item was successfully stored we fetch the ID of the item.
1864 if (DBA::isResult($ret)) {
1865 $current_post = DBA::lastInsertId();
1867 // This can happen - for example - if there are locking timeouts.
1870 // Store the data into a spool file so that we can try again later.
1871 self::spool($orig_item);
1875 if ($current_post == 0) {
1876 // This is one of these error messages that never should occur.
1877 Logger::log("couldn't find created item - we better quit now.");
1882 // How much entries have we created?
1883 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1884 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1887 // There are duplicates. We delete our just created entry.
1888 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1890 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1891 DBA::delete('item', ['id' => $current_post]);
1894 } elseif ($entries == 0) {
1895 // This really should never happen since we quit earlier if there were problems.
1896 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1901 Logger::log('created item '.$current_post);
1903 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1904 $parent_id = $current_post;
1908 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1910 $item['id'] = $current_post;
1911 $item['parent'] = $parent_id;
1913 // update the commented timestamp on the parent
1914 // Only update "commented" if it is really a comment
1915 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1916 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1918 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1921 if ($item['parent-uri'] === $item['uri']) {
1922 self::addThread($current_post);
1924 self::updateThread($parent_id);
1928 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1929 if (self::tagDeliver($item['uid'], $current_post)) {
1930 // Get the user information for the logging
1931 $user = User::getById($uid);
1933 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1938 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1939 if (DBA::isResult($posted_item)) {
1941 Hook::callAll('post_local_end', $posted_item);
1943 Hook::callAll('post_remote_end', $posted_item);
1946 Logger::log('new item not found in DB, id ' . $current_post);
1950 if ($item['parent-uri'] === $item['uri']) {
1951 self::addShadow($current_post);
1953 self::addShadowPost($current_post);
1956 self::updateContact($item);
1958 UserItem::setNotification($current_post);
1960 check_user_notification($current_post);
1962 // Distribute items to users who subscribed to their tags
1963 self::distributeByTags($item);
1965 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1968 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1969 // Don't relay participation messages
1970 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1971 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1972 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1978 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1981 return $current_post;
1985 * Change the owner of a parent item if it had been shared by a forum
1987 * (public) forum posts in the new format consist of the regular post by the author
1988 * followed by an announce message sent from the forum account.
1989 * Changing the owner helps in grouping forum posts.
1991 * @param array $item
1994 private static function setOwnerforResharedItem(array $item)
1996 $parent = self::selectFirst(['id', 'owner-id', 'author-id', 'author-link', 'origin'],
1997 ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
1998 if (!DBA::isResult($parent)) {
1999 Logger::error('Parent not found', ['uri-id' => $item['parent-uri-id'], 'uid' => $item['uid']]);
2003 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2004 if (!DBA::isResult($author)) {
2005 Logger::error('Author not found', ['id' => $item['author-id']]);
2009 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2010 logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2014 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2015 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2016 logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2020 Item::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2021 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'parent-uri-id' => $item['parent-uri-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
2025 * Distribute the given item to users who subscribed to their tags
2027 * @param array $item Processed item
2029 private static function distributeByTags(array $item)
2031 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2035 $uids = Tag::getUIDListByURIId($item['uri-id']);
2036 foreach ($uids as $uid) {
2037 if (Contact::isSharing($item['author-id'], $uid)) {
2040 $fields = ['post-type' => self::PT_TAG];
2043 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2044 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2049 * Insert a new item content entry
2051 * @param array $item The item fields that are to be inserted
2052 * @throws \Exception
2054 private static function insertContent(array $item)
2056 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2058 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2059 if (isset($item[$field])) {
2060 $fields[$field] = $item[$field];
2064 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2065 if (DBA::isResult($item_content)) {
2066 $icid = $item_content['id'];
2067 Logger::info('Content found', ['icid' => $icid, 'uri' => $item['uri']]);
2071 DBA::insert('item-content', $fields, true);
2072 $icid = DBA::lastInsertId();
2074 Logger::info('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2078 // Possibly there can be timing issues. Then the same content could be inserted multiple times.
2079 // Due to the indexes this doesn't happen, but "lastInsertId" will be empty in these situations.
2080 // So we have to fetch the id manually. This is no bug and there is no data loss.
2081 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2082 if (DBA::isResult($item_content)) {
2083 $icid = $item_content['id'];
2084 Logger::notice('Content inserted with empty lastInsertId', ['icid' => $icid, 'uri' => $item['uri']]);
2088 // This shouldn't happen.
2089 Logger::error("Content wasn't inserted", $item);
2094 * Update existing item content entries
2096 * @param array $item The item fields that are to be changed
2097 * @param array $condition The condition for finding the item content entries
2098 * @throws \Exception
2100 private static function updateContent($item, $condition)
2102 // We have to select only the fields from the "item-content" table
2104 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2105 if (isset($item[$field])) {
2106 $fields[$field] = $item[$field];
2110 if (empty($fields)) {
2114 DBA::update('item-content', $fields, $condition, true);
2115 Logger::info('Updated content', ['condition' => $condition]);
2119 * Distributes public items to the receivers
2121 * @param integer $itemid Item ID that should be added
2122 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2123 * @throws \Exception
2125 public static function distribute($itemid, $signed_text = '')
2127 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2128 $parent = self::selectFirst(['owner-id'], $condition);
2129 if (!DBA::isResult($parent)) {
2133 // Only distribute public items from native networks
2134 $condition = ['id' => $itemid, 'uid' => 0,
2135 'network' => array_merge(Protocol::FEDERATED ,['']),
2136 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2137 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2138 if (!DBA::isResult($item)) {
2142 $origin = $item['origin'];
2146 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2147 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2148 if (!DBA::isResult($owner)) {
2152 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2153 $contacts = DBA::select('contact', ['uid'], $condition);
2154 while ($contact = DBA::fetch($contacts)) {
2155 if ($contact['uid'] == 0) {
2159 $users[$contact['uid']] = $contact['uid'];
2161 DBA::close($contacts);
2163 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2164 $contacts = DBA::select('contact', ['uid'], $condition);
2165 while ($contact = DBA::fetch($contacts)) {
2166 if ($contact['uid'] == 0) {
2170 $users[$contact['uid']] = $contact['uid'];
2172 DBA::close($contacts);
2174 if (!empty($owner['alias'])) {
2175 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2176 $contacts = DBA::select('contact', ['uid'], $condition);
2177 while ($contact = DBA::fetch($contacts)) {
2178 if ($contact['uid'] == 0) {
2182 $users[$contact['uid']] = $contact['uid'];
2184 DBA::close($contacts);
2189 if ($item['uri'] != $item['parent-uri']) {
2190 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2191 while ($parent = self::fetch($parents)) {
2192 $users[$parent['uid']] = $parent['uid'];
2193 if ($parent['origin'] && !$origin) {
2194 $origin_uid = $parent['uid'];
2199 foreach ($users as $uid) {
2200 if ($origin_uid == $uid) {
2201 $item['diaspora_signed_text'] = $signed_text;
2203 self::storeForUser($item, $uid);
2208 * Store a public item defined by their URI-ID for the given users
2210 * @param integer $uri_id URI-ID of the given item
2211 * @param integer $uid The user that will receive the item entry
2212 * @param array $fields Additional fields to be stored
2213 * @return integer stored item id
2215 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2217 $item = self::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2218 if (!DBA::isResult($item)) {
2222 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2223 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']]);
2227 $item = array_merge($item, $fields);
2229 $stored = self::storeForUser($item, $uid);
2230 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2235 * Store a public item array for the given users
2237 * @param array $item The item entry that will be stored
2238 * @param integer $uid The user that will receive the item entry
2239 * @return integer stored item id
2240 * @throws \Exception
2242 private static function storeForUser(array $item, int $uid)
2244 if (self::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2245 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2250 unset($item['parent']);
2251 unset($item['mention']);
2252 unset($item['starred']);
2253 unset($item['unseen']);
2254 unset($item['psid']);
2256 $item['uid'] = $uid;
2257 $item['origin'] = 0;
2260 if ($item['gravity'] == GRAVITY_PARENT) {
2261 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2263 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2266 if (!empty($contact['id'])) {
2267 $item['contact-id'] = $contact['id'];
2269 // Shouldn't happen at all
2270 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2271 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2272 if (!DBA::isResult($self)) {
2273 // Shouldn't happen even less
2274 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2277 $item['contact-id'] = $self['id'];
2280 /// @todo Handling of "event-id"
2283 if ($item['gravity'] == GRAVITY_PARENT) {
2284 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2285 if (DBA::isResult($contact)) {
2286 $notify = self::isRemoteSelf($contact, $item);
2290 $distributed = self::insert($item, $notify, true);
2292 if (!$distributed) {
2293 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2295 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2297 return $distributed;
2301 * Add a shadow entry for a given item id that is a thread starter
2303 * We store every public item entry additionally with the user id "0".
2304 * This is used for the community page and for the search.
2305 * It is planned that in the future we will store public item entries only once.
2307 * @param integer $itemid Item ID that should be added
2308 * @throws \Exception
2310 public static function addShadow($itemid)
2312 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2313 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2314 $item = self::selectFirst($fields, $condition);
2316 if (!DBA::isResult($item)) {
2320 // is it already a copy?
2321 if (($itemid == 0) || ($item['uid'] == 0)) {
2325 // Is it a visible public post?
2326 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2330 // is it an entry from a connector? Only add an entry for natively connected networks
2331 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2335 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2339 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2341 if (DBA::isResult($item)) {
2342 // Preparing public shadow (removing user specific data)
2345 unset($item['parent']);
2346 unset($item['wall']);
2347 unset($item['mention']);
2348 unset($item['origin']);
2349 unset($item['starred']);
2350 unset($item['postopts']);
2351 unset($item['inform']);
2352 if ($item['uri'] == $item['parent-uri']) {
2353 $item['contact-id'] = $item['owner-id'];
2355 $item['contact-id'] = $item['author-id'];
2358 $public_shadow = self::insert($item, false, true);
2360 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2365 * Add a shadow entry for a given item id that is a comment
2367 * This function does the same like the function above - but for comments
2369 * @param integer $itemid Item ID that should be added
2370 * @throws \Exception
2372 public static function addShadowPost($itemid)
2374 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2375 if (!DBA::isResult($item)) {
2379 // Is it a toplevel post?
2380 if ($item['gravity'] == GRAVITY_PARENT) {
2381 self::addShadow($itemid);
2385 // Is this a shadow entry?
2386 if ($item['uid'] == 0) {
2390 // Is there a shadow parent?
2391 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2395 // Is there already a shadow entry?
2396 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2400 // Save "origin" and "parent" state
2401 $origin = $item['origin'];
2402 $parent = $item['parent'];
2404 // Preparing public shadow (removing user specific data)
2407 unset($item['parent']);
2408 unset($item['wall']);
2409 unset($item['mention']);
2410 unset($item['origin']);
2411 unset($item['starred']);
2412 unset($item['postopts']);
2413 unset($item['inform']);
2414 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2416 $public_shadow = self::insert($item, false, true);
2418 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2420 // If this was a comment to a Diaspora post we don't get our comment back.
2421 // This means that we have to distribute the comment by ourselves.
2422 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2423 self::distribute($public_shadow);
2428 * Adds a language specification in a "language" element of given $arr.
2429 * Expects "body" element to exist in $arr.
2431 * @param array $item
2432 * @return string detected language
2433 * @throws \Text_LanguageDetect_Exception
2435 private static function getLanguage(array $item)
2437 $naked_body = BBCode::toPlaintext($item['body'], false);
2439 $ld = new Text_LanguageDetect();
2440 $ld->setNameMode(2);
2441 $languages = $ld->detect($naked_body, 3);
2442 if (is_array($languages)) {
2443 return json_encode($languages);
2450 * Creates an unique guid out of a given uri
2452 * @param string $uri uri of an item entry
2453 * @param string $host hostname for the GUID prefix
2454 * @return string unique guid
2456 public static function guidFromUri($uri, $host)
2458 // Our regular guid routine is using this kind of prefix as well
2459 // We have to avoid that different routines could accidentally create the same value
2460 $parsed = parse_url($uri);
2462 // We use a hash of the hostname as prefix for the guid
2463 $guid_prefix = hash("crc32", $host);
2465 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2466 unset($parsed["scheme"]);
2468 // Glue it together to be able to make a hash from it
2469 $host_id = implode("/", $parsed);
2471 // We could use any hash algorithm since it isn't a security issue
2472 $host_hash = hash("ripemd128", $host_id);
2474 return $guid_prefix.$host_hash;
2478 * generate an unique URI
2480 * @param integer $uid User id
2481 * @param string $guid An existing GUID (Otherwise it will be generated)
2484 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2486 public static function newURI($uid, $guid = "")
2489 $guid = System::createUUID();
2492 return DI::baseUrl()->get() . '/objects/' . $guid;
2496 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2498 * This can be used to filter for inactive contacts.
2499 * Only do this for public postings to avoid privacy problems, since poco data is public.
2500 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2502 * @param array $arr Contains the just posted item record
2503 * @throws \Exception
2505 private static function updateContact($arr)
2507 // Unarchive the author
2508 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2509 if (DBA::isResult($contact)) {
2510 Contact::unmarkForArchival($contact);
2513 // Unarchive the contact if it's not our own contact
2514 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2515 if (DBA::isResult($contact)) {
2516 Contact::unmarkForArchival($contact);
2519 /// @todo On private posts we could obfuscate the date
2520 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2522 // Is it a forum? Then we don't care about the rules from above
2523 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2524 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2530 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2531 // So we have to ensure to only update the last item when it had been our own post,
2532 // or it had been done by a "regular" contact.
2533 if (!empty($arr['wall'])) {
2534 $condition = ['id' => $arr['contact-id']];
2536 $condition = ['id' => $arr['contact-id'], 'self' => false];
2538 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2540 // Now do the same for the system wide contacts with uid=0
2541 if ($arr['private'] != self::PRIVATE) {
2542 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2543 ['id' => $arr['owner-id']]);
2545 if ($arr['owner-id'] != $arr['author-id']) {
2546 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2547 ['id' => $arr['author-id']]);
2552 public static function setHashtags($body)
2554 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2555 $tags = BBCode::getTags($body);
2558 if (!count($tags)) {
2562 // This sorting is important when there are hashtags that are part of other hashtags
2563 // Otherwise there could be problems with hashtags like #test and #test2
2564 // Because of this we are sorting from the longest to the shortest tag.
2565 usort($tags, function ($a, $b) {
2566 return strlen($b) <=> strlen($a);
2569 $URLSearchString = "^\[\]";
2571 // All hashtags should point to the home server if "local_tags" is activated
2572 if (DI::config()->get('system', 'local_tags')) {
2573 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2574 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2577 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2578 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2580 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2583 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2585 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2588 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2590 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2593 // Repair recursive urls
2594 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2597 foreach ($tags as $tag) {
2598 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2602 $basetag = str_replace('_', ' ', substr($tag, 1));
2603 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2605 $body = str_replace($tag, $newtag, $body);
2608 // Convert back the masked hashtags
2609 $body = str_replace("#", "#", $body);
2618 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2621 * @param int $item_id
2622 * @return boolean true if item was deleted, else false
2623 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2624 * @throws \ImagickException
2626 private static function tagDeliver($uid, $item_id)
2630 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2631 if (!DBA::isResult($user)) {
2635 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2636 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2638 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2639 if (!DBA::isResult($item)) {
2643 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2646 * Diaspora uses their own hardwired link URL in @-tags
2647 * instead of the one we supply with webfinger
2649 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2651 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2653 foreach ($matches as $mtch) {
2654 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2656 Logger::log('mention found: ' . $mtch[2]);
2662 if (($community_page || $prvgroup) &&
2663 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2664 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2665 DBA::delete('item', ['id' => $item_id]);
2671 $arr = ['item' => $item, 'user' => $user];
2673 Hook::callAll('tagged', $arr);
2675 if (!$community_page && !$prvgroup) {
2680 * tgroup delivery - setup a second delivery chain
2681 * prevent delivery looping - only proceed
2682 * if the message originated elsewhere and is a top-level post
2684 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2688 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2689 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2690 if (!DBA::isResult($self)) {
2694 $owner_id = Contact::getIdForURL($self['url']);
2696 // also reset all the privacy bits to the forum default permissions
2698 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2700 $psid = PermissionSet::getIdFromACL(
2708 $forum_mode = ($prvgroup ? 2 : 1);
2710 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2711 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2712 self::update($fields, ['id' => $item_id]);
2714 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2716 Item::performActivity($item_id, 'announce', $uid);
2721 public static function isRemoteSelf($contact, &$datarray)
2723 if (!$contact['remote_self']) {
2727 // Prevent the forwarding of posts that are forwarded
2728 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2729 Logger::info('Already forwarded');
2733 // Prevent to forward already forwarded posts
2734 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2735 Logger::info('Already forwarded (second test)');
2739 // Only forward posts
2740 if ($datarray["verb"] != Activity::POST) {
2741 Logger::info('No post');
2745 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2746 Logger::info('Not public');
2750 $datarray2 = $datarray;
2751 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2752 if ($contact['remote_self'] == 2) {
2753 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2754 ['uid' => $contact['uid'], 'self' => true]);
2755 if (DBA::isResult($self)) {
2756 $datarray['contact-id'] = $self["id"];
2758 $datarray['owner-name'] = $self["name"];
2759 $datarray['owner-link'] = $self["url"];
2760 $datarray['owner-avatar'] = $self["thumb"];
2762 $datarray['author-name'] = $datarray['owner-name'];
2763 $datarray['author-link'] = $datarray['owner-link'];
2764 $datarray['author-avatar'] = $datarray['owner-avatar'];
2766 unset($datarray['edited']);
2768 unset($datarray['network']);
2769 unset($datarray['owner-id']);
2770 unset($datarray['author-id']);
2773 if ($contact['network'] != Protocol::FEED) {
2774 $datarray["guid"] = System::createUUID();
2775 unset($datarray["plink"]);
2776 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2777 $datarray["parent-uri"] = $datarray["uri"];
2778 $datarray["thr-parent"] = $datarray["uri"];
2779 $datarray["extid"] = Protocol::DFRN;
2780 $urlpart = parse_url($datarray2['author-link']);
2781 $datarray["app"] = $urlpart["host"];
2783 $datarray['private'] = self::PUBLIC;
2787 if ($contact['network'] != Protocol::FEED) {
2788 // Store the original post
2789 $result = self::insert($datarray2);
2790 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2792 $datarray["app"] = "Feed";
2796 // Trigger automatic reactions for addons
2797 $datarray['api_source'] = true;
2799 // We have to tell the hooks who we are - this really should be improved
2800 $_SESSION["authenticated"] = true;
2801 $_SESSION["uid"] = $contact['uid'];
2810 * @param array $item
2813 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2814 * @throws \ImagickException
2816 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2818 if (DI::config()->get('system', 'disable_embedded')) {
2822 Logger::info('check for photos');
2823 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2828 $img_start = strpos($orig_body, '[img');
2829 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2830 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2832 while (($img_st_close !== false) && ($img_len !== false)) {
2833 $img_st_close++; // make it point to AFTER the closing bracket
2834 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2836 Logger::info('found photo', ['image' => $image]);
2838 if (stristr($image, $site . '/photo/')) {
2839 // Only embed locally hosted photos
2841 $i = basename($image);
2842 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2843 $x = strpos($i, '-');
2846 $res = substr($i, $x + 1);
2847 $i = substr($i, 0, $x);
2848 $photo = Photo::getPhotoForUser($uid, $i, $res);
2849 if (DBA::isResult($photo)) {
2851 * Check to see if we should replace this photo link with an embedded image
2852 * 1. No need to do so if the photo is public
2853 * 2. If there's a contact-id provided, see if they're in the access list
2854 * for the photo. If so, embed it.
2855 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2856 * permissions, regardless of order but first check to see if they're an exact
2857 * match to save some processing overhead.
2859 if (self::hasPermissions($photo)) {
2861 $recips = self::enumeratePermissions($photo);
2862 if (in_array($cid, $recips)) {
2866 if (self::samePermissions($uid, $item, $photo)) {
2872 $photo_img = Photo::getImageForPhoto($photo);
2873 // If a custom width and height were specified, apply before embedding
2874 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2875 Logger::info('scaling photo');
2877 $width = intval($match[1]);
2878 $height = intval($match[2]);
2880 $photo_img->scaleDown(max($width, $height));
2883 $data = $photo_img->asString();
2884 $type = $photo_img->getType();
2886 Logger::info('replacing photo');
2887 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2888 Logger::debug('replaced', ['image' => $image]);
2894 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2895 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2896 if ($orig_body === false) {
2900 $img_start = strpos($orig_body, '[img');
2901 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2902 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2905 $new_body = $new_body . $orig_body;
2910 private static function hasPermissions($obj)
2912 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2913 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2916 private static function samePermissions($uid, $obj1, $obj2)
2918 // first part is easy. Check that these are exactly the same.
2919 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2920 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2921 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2922 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2926 // This is harder. Parse all the permissions and compare the resulting set.
2927 $recipients1 = self::enumeratePermissions($obj1);
2928 $recipients2 = self::enumeratePermissions($obj2);
2932 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2933 return ($recipients1 == $recipients2);
2937 * Returns an array of contact-ids that are allowed to see this object
2939 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2940 * @param bool $check_dead Prunes unavailable contacts from the result
2942 * @throws \Exception
2944 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2946 $aclFormater = DI::aclFormatter();
2948 $allow_people = $aclFormater->expand($obj['allow_cid']);
2949 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2950 $deny_people = $aclFormater->expand($obj['deny_cid']);
2951 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2952 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2953 $deny = array_unique(array_merge($deny_people, $deny_groups));
2954 $recipients = array_diff($recipients, $deny);
2958 public static function expire($uid, $days, $network = "", $force = false)
2960 if (!$uid || ($days < 1)) {
2964 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2965 $uid, GRAVITY_PARENT];
2968 * $expire_network_only = save your own wall posts
2969 * and just expire conversations started by others
2971 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2973 if ($expire_network_only) {
2974 $condition[0] .= " AND NOT `wall`";
2977 if ($network != "") {
2978 $condition[0] .= " AND `network` = ?";
2979 $condition[] = $network;
2982 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2983 $condition[] = $days;
2985 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2987 if (!DBA::isResult($items)) {
2991 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2993 // Forcing expiring of items - but not notes and marked items
2995 $expire_items = true;
2998 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2999 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3000 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3004 while ($item = Item::fetch($items)) {
3005 // don't expire filed items
3007 if (strpos($item['file'], '[') !== false) {
3011 // Only expire posts, not photos and photo comments
3013 if (!$expire_photos && strlen($item['resource-id'])) {
3015 } elseif (!$expire_starred && intval($item['starred'])) {
3017 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3019 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3023 self::markForDeletionById($item['id'], PRIORITY_LOW);
3028 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3031 public static function firstPostDate($uid, $wall = false)
3033 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3034 $params = ['order' => ['received' => false]];
3035 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3036 if (DBA::isResult($thread)) {
3037 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3043 * add/remove activity to an item
3045 * Toggle activities as like,dislike,attend of an item
3047 * @param int $item_id
3048 * @param string $verb
3049 * Activity verb. One of
3050 * like, unlike, dislike, undislike, attendyes, unattendyes,
3051 * attendno, unattendno, attendmaybe, unattendmaybe,
3052 * announce, unannouce
3054 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3055 * @throws \ImagickException
3056 * @hook 'post_local_end'
3058 * 'post_id' => ID of posted item
3060 public static function performActivity(int $item_id, string $verb, int $uid)
3066 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3068 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3069 if (!DBA::isResult($item)) {
3070 Logger::log('like: unknown item ' . $item_id);
3074 $item_uri = $item['uri'];
3076 if (!in_array($item['uid'], [0, $uid])) {
3080 if (!Item::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3081 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3082 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3083 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3084 if (!DBA::isResult($item)) {
3085 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3091 // Retrieves the local post owner
3092 $owner = User::getOwnerDataById($uid);
3093 if (empty($owner)) {
3094 Logger::info('Empty owner for user', ['uid' => $uid]);
3098 // Retrieve the current logged in user's public contact
3099 $author_id = Contact::getIdForURL($owner['url']);
3100 if (empty($author_id)) {
3101 Logger::info('Empty public contact');
3109 $activity = Activity::LIKE;
3113 $activity = Activity::DISLIKE;
3117 $activity = Activity::ATTEND;
3121 $activity = Activity::ATTENDNO;
3124 case 'unattendmaybe':
3125 $activity = Activity::ATTENDMAYBE;
3129 $activity = Activity::FOLLOW;
3133 $activity = Activity::ANNOUNCE;
3136 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3140 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3142 // Enable activity toggling instead of on/off
3143 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3145 // Look for an existing verb row
3146 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3147 if ($event_verb_flag) {
3148 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3150 // Translate to the index based activity index
3152 foreach ($verbs as $verb) {
3153 $vids[] = Verb::getID($verb);
3156 $vids = Verb::getID($activity);
3159 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3160 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3161 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3163 if (DBA::isResult($like_item)) {
3165 * Truth table for existing activities
3167 * | Inputs || Outputs |
3168 * |----------------------------||-------------------|
3169 * | Mode | Event | Same verb || Delete? | Return? |
3170 * |--------|-------|-----------||---------|---------|
3171 * | create | Yes | Yes || No | Yes |
3172 * | create | Yes | No || Yes | No |
3173 * | create | No | Yes || No | Yes |
3174 * | create | No | No || N/A†|
3175 * | delete | Yes | Yes || Yes | N/A‡ |
3176 * | delete | Yes | No || No | N/A‡ |
3177 * | delete | No | Yes || Yes | N/A‡ |
3178 * | delete | No | No || N/A†|
3179 * |--------|-------|-----------||---------|---------|
3180 * | A | B | C || A xor C | !B or C |
3182 * †Can't happen: It's impossible to find an existing non-event activity without
3183 * the same verb because we are only looking for this single verb.
3185 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3187 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3188 self::markForDeletionById($like_item['id']);
3191 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3196 // No need to go further if we aren't creating anything
3197 if ($mode == 'delete') {
3201 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3204 'guid' => System::createUUID(),
3205 'uri' => self::newURI($item['uid']),
3206 'uid' => $item['uid'],
3207 'contact-id' => $owner['id'],
3208 'wall' => $item['wall'],
3210 'network' => Protocol::DFRN,
3211 'gravity' => GRAVITY_ACTIVITY,
3212 'parent' => $item['id'],
3213 'parent-uri' => $item['uri'],
3214 'thr-parent' => $item['uri'],
3215 'owner-id' => $author_id,
3216 'author-id' => $author_id,
3217 'body' => $activity,
3218 'verb' => $activity,
3219 'object-type' => $objtype,
3220 'allow_cid' => $item['allow_cid'],
3221 'allow_gid' => $item['allow_gid'],
3222 'deny_cid' => $item['deny_cid'],
3223 'deny_gid' => $item['deny_gid'],
3228 $signed = Diaspora::createLikeSignature($uid, $new_item);
3229 if (!empty($signed)) {
3230 $new_item['diaspora_signed_text'] = json_encode($signed);
3233 $new_item_id = self::insert($new_item);
3235 // If the parent item isn't visible then set it to visible
3236 if (!$item['visible']) {
3237 self::update(['visible' => true], ['id' => $item['id']]);
3240 $new_item['id'] = $new_item_id;
3242 Hook::callAll('post_local_end', $new_item);
3247 private static function addThread($itemid, $onlyshadow = false)
3249 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3250 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3251 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3252 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3253 $item = self::selectFirst($fields, $condition);
3255 if (!DBA::isResult($item)) {
3259 $item['iid'] = $itemid;
3262 $result = DBA::insert('thread', $item);
3264 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3268 private static function updateThread($itemid, $setmention = false)
3270 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3271 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3272 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3274 $item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3275 if (!DBA::isResult($item)) {
3280 $item["mention"] = 1;
3285 foreach ($item as $field => $data) {
3286 if (!in_array($field, ["guid"])) {
3287 $fields[$field] = $data;
3291 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3293 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3296 private static function deleteThread($itemid, $itemuri = "")
3298 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3299 if (!DBA::isResult($item)) {
3300 Logger::info('No thread found', ['id' => $itemid]);
3304 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3306 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3308 if ($itemuri != "") {
3309 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3310 if (!self::exists($condition)) {
3311 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3312 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3317 public static function getPermissionsSQLByUserId($owner_id)
3319 $local_user = local_user();
3320 $remote_user = Session::getRemoteContactID($owner_id);
3323 * Construct permissions
3325 * default permissions - anonymous user
3327 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3329 // Profile owner - everything is visible
3330 if ($local_user && ($local_user == $owner_id)) {
3332 } elseif ($remote_user) {
3334 * Authenticated visitor. Unless pre-verified,
3335 * check that the contact belongs to this $owner_id
3336 * and load the groups the visitor belongs to.
3337 * If pre-verified, the caller is expected to have already
3338 * done this and passed the groups into this function.
3340 $set = PermissionSet::get($owner_id, $remote_user);
3343 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3348 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3355 * get translated item type
3360 public static function postType($item)
3362 if (!empty($item['event-id'])) {
3363 return DI::l10n()->t('event');
3364 } elseif (!empty($item['resource-id'])) {
3365 return DI::l10n()->t('photo');
3366 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3367 return DI::l10n()->t('activity');
3368 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3369 return DI::l10n()->t('comment');
3372 return DI::l10n()->t('post');
3376 * Sets the "rendered-html" field of the provided item
3378 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3380 * @param array $item
3381 * @param bool $update
3383 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3384 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3386 public static function putInCache(&$item, $update = false)
3388 $body = $item["body"];
3390 $rendered_hash = $item['rendered-hash'] ?? '';
3391 $rendered_html = $item['rendered-html'] ?? '';
3393 if ($rendered_hash == ''
3394 || $rendered_html == ""
3395 || $rendered_hash != hash("md5", $item["body"])
3396 || DI::config()->get("system", "ignore_cache")
3398 self::addRedirToImageTags($item);
3400 $item["rendered-html"] = BBCode::convert($item["body"]);
3401 $item["rendered-hash"] = hash("md5", $item["body"]);
3403 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3404 Hook::callAll('put_item_in_cache', $hook_data);
3405 $item['rendered-html'] = $hook_data['rendered-html'];
3406 $item['rendered-hash'] = $hook_data['rendered-hash'];
3409 // Force an update if the generated values differ from the existing ones
3410 if ($rendered_hash != $item["rendered-hash"]) {
3414 // Only compare the HTML when we forcefully ignore the cache
3415 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3419 if ($update && !empty($item["id"])) {
3422 'rendered-html' => $item["rendered-html"],
3423 'rendered-hash' => $item["rendered-hash"]
3425 ['id' => $item["id"]]
3430 $item["body"] = $body;
3434 * Find any non-embedded images in private items and add redir links to them
3436 * @param array &$item The field array of an item row
3438 private static function addRedirToImageTags(array &$item)
3443 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3445 foreach ($matches as $mtch) {
3446 if (strpos($mtch[1], '/redir') !== false) {
3450 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3451 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3452 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3459 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3460 * If attach is true, also add icons for item attachments.
3462 * @param array $item
3463 * @param boolean $attach
3464 * @param boolean $is_preview
3465 * @return string item body html
3466 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3467 * @throws \ImagickException
3468 * @hook prepare_body_init item array before any work
3469 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3470 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3471 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3473 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3476 Hook::callAll('prepare_body_init', $item);
3478 // In order to provide theme developers more possibilities, event items
3479 // are treated differently.
3480 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3481 $ev = Event::getItemHTML($item);
3485 $tags = Tag::populateFromItem($item);
3487 $item['tags'] = $tags['tags'];
3488 $item['hashtags'] = $tags['hashtags'];
3489 $item['mentions'] = $tags['mentions'];
3491 // Compile eventual content filter reasons
3492 $filter_reasons = [];
3493 if (!$is_preview && public_contact() != $item['author-id']) {
3494 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3495 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3500 'filter_reasons' => $filter_reasons
3502 Hook::callAll('prepare_body_content_filter', $hook_data);
3503 $filter_reasons = $hook_data['filter_reasons'];
3507 // Update the cached values if there is no "zrl=..." on the links.
3508 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3510 // Or update it if the current viewer is the intented viewer.
3511 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3515 self::putInCache($item, $update);
3516 $s = $item["rendered-html"];
3521 'preview' => $is_preview,
3522 'filter_reasons' => $filter_reasons
3524 Hook::callAll('prepare_body', $hook_data);
3525 $s = $hook_data['html'];
3529 // Replace the blockquotes with quotes that are used in mails.
3530 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3531 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3538 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3539 foreach ($matches as $mtch) {
3542 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3544 if (strpos($mime, 'video') !== false) {
3547 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3550 $url_parts = explode('/', $the_url);
3551 $id = end($url_parts);
3552 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3555 'title' => DI::l10n()->t('View Video'),
3562 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3564 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3565 $filesubtype = str_replace('.', '-', $filesubtype);
3568 $filesubtype = 'unkn';
3571 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3572 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3574 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3575 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3579 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3583 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3584 $x = Map::byCoordinates(trim($item['coord']));
3586 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3590 // Replace friendica image url size with theme preference.
3591 if (!empty($a->theme_info['item_image_size'])) {
3592 $ps = $a->theme_info['item_image_size'];
3593 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3596 $s = HTML::applyContentFilter($s, $filter_reasons);
3598 $hook_data = ['item' => $item, 'html' => $s];
3599 Hook::callAll('prepare_body_final', $hook_data);
3601 return $hook_data['html'];
3605 * get private link for item
3607 * @param array $item
3608 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3609 * @throws \Exception
3611 public static function getPlink($item)
3615 'href' => "display/" . $item['guid'],
3616 'orig' => "display/" . $item['guid'],
3617 'title' => DI::l10n()->t('View on separate page'),
3618 'orig_title' => DI::l10n()->t('view on separate page'),
3621 if (!empty($item['plink'])) {
3622 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3623 $ret["title"] = DI::l10n()->t('link to source');
3625 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3627 'href' => $item['plink'],
3628 'orig' => $item['plink'],
3629 'title' => DI::l10n()->t('link to source'),
3639 * Is the given item array a post that is sent as starting post to a forum?
3641 * @param array $item
3642 * @param array $owner
3644 * @return boolean "true" when it is a forum post
3646 public static function isForumPost(array $item, array $owner = [])
3648 if (empty($owner)) {
3649 $owner = User::getOwnerDataById($item['uid']);
3650 if (empty($owner)) {
3655 if (($item['author-id'] == $item['owner-id']) ||
3656 ($owner['id'] == $item['contact-id']) ||
3657 ($item['uri'] != $item['parent-uri']) ||
3662 return Contact::isForum($item['contact-id']);
3666 * Search item id for given URI or plink
3668 * @param string $uri
3669 * @param integer $uid
3671 * @return integer item id
3673 public static function searchByLink($uri, $uid = 0)
3675 $ssl_uri = str_replace('http://', 'https://', $uri);
3676 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3678 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3679 if (DBA::isResult($item)) {
3683 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3684 if (!DBA::isResult($itemcontent)) {
3688 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3689 if (!DBA::isResult($itemuri)) {
3693 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3694 if (DBA::isResult($item)) {
3702 * Return the URI for a link to the post
3704 * @param string $uri URI or link to post
3706 * @return string URI
3708 public static function getURIByLink(string $uri)
3710 $ssl_uri = str_replace('http://', 'https://', $uri);
3711 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3713 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3714 if (DBA::isResult($item)) {
3715 return $item['uri'];
3718 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3719 if (!DBA::isResult($itemcontent)) {
3723 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3724 if (DBA::isResult($itemuri)) {
3725 return $itemuri['uri'];
3732 * Fetches item for given URI or plink
3734 * @param string $uri
3735 * @param integer $uid
3737 * @return integer item id
3739 public static function fetchByLink(string $uri, int $uid = 0)
3741 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3742 $item_id = self::searchByLink($uri, $uid);
3743 if (!empty($item_id)) {
3744 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3748 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3749 $item_id = self::searchByLink($fetched_uri, $uid);
3751 $item_id = Diaspora::fetchByURL($uri);
3754 if (!empty($item_id)) {
3755 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3759 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3764 * Return share data from an item array (if the item is shared item)
3765 * We are providing the complete Item array, because at some time in the future
3766 * we hopefully will define these values not in the body anymore but in some item fields.
3767 * This function is meant to replace all similar functions in the system.
3769 * @param array $item
3771 * @return array with share information
3773 public static function getShareArray($item)
3775 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3779 $attribute_string = $matches[2];
3780 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3781 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3782 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3783 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3790 * Fetch item information for shared items from the original items and adds it.
3792 * @param array $item
3794 * @return array item array with data from the original item
3796 public static function addShareDataFromOriginal(array $item)
3798 $shared = self::getShareArray($item);
3799 if (empty($shared)) {
3803 // Real reshares always have got a GUID.
3804 if (empty($shared['guid'])) {
3808 $uid = $item['uid'] ?? 0;
3810 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3811 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3812 if (!DBA::isResult($shared_item)) {
3813 if (empty($shared['link'])) {
3817 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3818 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3820 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3824 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3825 if (!DBA::isResult($shared_item)) {
3828 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3830 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3833 if (!empty($shared_item['title'])) {
3834 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3835 unset($shared_item['title']);
3837 $body = $shared_item['body'];
3840 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3841 unset($shared_item['body']);
3843 return array_merge($item, $shared_item);