3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
35 use Friendica\Database\DBStructure;
37 use Friendica\Model\Post;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
77 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
78 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'language',
79 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
80 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
81 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
82 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
83 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
84 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
85 'writable', 'self', 'cid', 'alias',
86 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
87 'event-summary', 'event-desc', 'event-location', 'event-type',
88 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
89 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
92 // Field list that is used to deliver items via the protocols
93 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
94 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
95 'private', 'title', 'body', 'location', 'coord', 'app',
96 'deleted', 'extid', 'post-type', 'gravity',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
98 'author-id', 'author-link', 'owner-link', 'contact-uid',
99 'signed_text', 'network'];
101 // Field list for "item-content" table that is mixed with the item table
102 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
103 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
104 'object-type', 'object', 'target-type', 'target', 'plink'];
106 // Field list for "item-content" table that is not present in the "item" table
107 const CONTENT_FIELDLIST = ['language', 'raw-body'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
116 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
137 private static $legacy_mode = null;
139 private static function getItemFields()
141 $definition = DBStructure::definition('', false);
144 foreach (self::TABLES as $table) {
145 $postfields[$table] = array_keys($definition[$table]['fields']);
152 * Set the pinned state of an item
154 * @param integer $iid Item ID
155 * @param integer $uid User ID
156 * @param boolean $pinned Pinned state
158 public static function setPinned(int $iid, int $uid, bool $pinned)
160 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
164 * Get the pinned state
166 * @param integer $iid Item ID
167 * @param integer $uid User ID
169 * @return boolean pinned state
171 public static function getPinned(int $iid, int $uid)
173 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
174 if (!DBA::isResult($useritem)) {
177 return (bool)$useritem['pinned'];
181 * Select pinned rows from the item table for a given user
183 * @param integer $uid User ID
184 * @param array $selected Array of selected fields, empty for all
185 * @param array $condition Array of fields for condition
186 * @param array $params Array of several parameters
188 * @return boolean|object
191 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
193 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
194 if (!DBA::isResult($useritems)) {
199 while ($useritem = DBA::fetch($useritems)) {
200 $pinned[] = $useritem['iid'];
202 DBA::close($useritems);
204 if (empty($pinned)) {
208 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
210 return self::selectThreadForUser($uid, $selected, $condition, $params);
214 * Fetch a single item row
216 * @param mixed $stmt statement object
217 * @return array|false current row or false
220 public static function fetch($stmt)
222 $row = DBA::fetch($stmt);
224 if (!is_array($row)) {
228 $row = DBA::castFields('item', $row);
230 // ---------------------- Transform item structure data ----------------------
232 // We prefer the data from the user's contact over the public one
233 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
234 ($row['author-link'] == $row['contact-link'])) {
235 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
236 $row['author-avatar'] = $row['contact-avatar'];
238 if (isset($row['author-name']) && !empty($row['contact-name'])) {
239 $row['author-name'] = $row['contact-name'];
243 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
244 ($row['owner-link'] == $row['contact-link'])) {
245 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
246 $row['owner-avatar'] = $row['contact-avatar'];
248 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
249 $row['owner-name'] = $row['contact-name'];
253 // We can always comment on posts from these networks
254 if (array_key_exists('writable', $row) &&
255 in_array($row['internal-network'], Protocol::FEDERATED)) {
256 $row['writable'] = 1;
259 // ---------------------- Transform item content data ----------------------
261 if (array_key_exists('verb', $row)) {
262 if (!is_null($row['internal-verb'])) {
263 $row['verb'] = $row['internal-verb'];
266 if (in_array($row['verb'], self::ACTIVITIES)) {
267 if (array_key_exists('title', $row)) {
270 if (array_key_exists('body', $row)) {
271 $row['body'] = $row['verb'];
273 if (array_key_exists('object', $row)) {
276 if (array_key_exists('object-type', $row)) {
277 $row['object-type'] = Activity\ObjectType::NOTE;
279 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
280 // Posts don't have a target - but having tags or files.
281 if (array_key_exists('target', $row)) {
287 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
288 $row['vid'] = Verb::getID($row['verb']);
291 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
292 // Build the file string out of the term entries
293 if (array_key_exists('file', $row) && empty($row['file'])) {
294 $row['file'] = Post\Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
298 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
299 if (array_key_exists('allow_cid', $row)) {
300 $row['allow_cid'] = '';
302 if (array_key_exists('allow_gid', $row)) {
303 $row['allow_gid'] = '';
305 if (array_key_exists('deny_cid', $row)) {
306 $row['deny_cid'] = '';
308 if (array_key_exists('deny_gid', $row)) {
309 $row['deny_gid'] = '';
313 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
314 $row['ignored'] = $row['internal-user-ignored'];
317 // Remove internal fields
318 unset($row['internal-network']);
319 unset($row['internal-uri-id']);
320 unset($row['internal-uid']);
321 unset($row['internal-psid']);
322 unset($row['internal-verb']);
323 unset($row['internal-user-ignored']);
324 unset($row['interaction']);
330 * Fills an array with data from an item query
332 * @param object $stmt statement object
333 * @param bool $do_close
334 * @return array Data array
336 public static function toArray($stmt, $do_close = true) {
337 if (is_bool($stmt)) {
342 while ($row = self::fetch($stmt)) {
352 * Check if item data exists
354 * @param array $condition array of fields for condition
356 * @return boolean Are there rows for that condition?
359 public static function exists($condition) {
360 $stmt = self::select(['id'], $condition, ['limit' => 1]);
362 if (is_bool($stmt)) {
365 $retval = (DBA::numRows($stmt) > 0);
374 * Select rows from the item table and returns them as an array
376 * @param array $selected Array of selected fields, empty for all
377 * @param array $condition Array of fields for condition
378 * @param array $params Array of several parameters
383 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
385 $result = self::select($fields, $condition, $params);
387 if (is_bool($result)) {
392 while ($row = self::fetch($result)) {
401 * Select rows from the item table
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 select(array $selected = [], array $condition = [], $params = [])
415 if (isset($params['uid'])) {
416 $uid = $params['uid'];
420 $fields = self::fieldlist($usermode);
422 $select_fields = self::constructSelectFields($fields, $selected);
424 $condition_string = DBA::buildCondition($condition);
426 $condition_string = self::addTablesToFields($condition_string, $fields);
429 $condition_string = $condition_string . ' AND ' . self::condition(false);
432 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
434 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
436 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
438 return DBA::p($sql, $condition);
442 * Select rows from the starting post in the item table
444 * @param integer $uid User ID
445 * @param array $selected
446 * @param array $condition Array of fields for condition
447 * @param array $params Array of several parameters
449 * @return boolean|object
452 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
454 $params['uid'] = $uid;
456 if (empty($selected)) {
457 $selected = self::DISPLAY_FIELDLIST;
460 return self::selectThread($selected, $condition, $params);
464 * Retrieve a single record from the starting post in the item table and returns it in an associative array
466 * @param integer $uid User ID
467 * @param array $selected
468 * @param array $condition
469 * @param array $params
474 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
476 $params['uid'] = $uid;
478 if (empty($selected)) {
479 $selected = self::DISPLAY_FIELDLIST;
482 return self::selectFirstThread($selected, $condition, $params);
486 * Retrieve a single record from the starting post in the item table and returns it in an associative array
488 * @param array $fields
489 * @param array $condition
490 * @param array $params
495 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
497 $params['limit'] = 1;
498 $result = self::selectThread($fields, $condition, $params);
500 if (is_bool($result)) {
503 $row = self::fetch($result);
510 * Select rows from the starting post in the item table
512 * @param array $selected Array of selected fields, empty for all
513 * @param array $condition Array of fields for condition
514 * @param array $params Array of several parameters
516 * @return boolean|object
519 public static function selectThread(array $selected = [], array $condition = [], $params = [])
524 if (isset($params['uid'])) {
525 $uid = $params['uid'];
529 $fields = self::fieldlist($usermode);
531 $fields['thread'] = ['mention', 'ignored', 'iid'];
533 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
534 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
535 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
536 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
538 $select_fields = self::constructSelectFields($fields, $selected);
540 $condition_string = DBA::buildCondition($condition);
542 $condition_string = self::addTablesToFields($condition_string, $threadfields);
543 $condition_string = self::addTablesToFields($condition_string, $fields);
546 $condition_string = $condition_string . ' AND ' . self::condition(true);
549 $param_string = DBA::buildParameter($params);
550 $param_string = self::addTablesToFields($param_string, $threadfields);
551 $param_string = self::addTablesToFields($param_string, $fields);
553 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
555 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
557 return DBA::p($sql, $condition);
561 * Returns a list of fields that are associated with the item table
564 * @return array field list
566 private static function fieldlist($usermode)
570 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
571 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid', 'causer-id',
572 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
573 'created', 'edited', 'commented', 'received', 'changed', 'psid',
574 'resource-id', 'event-id', 'post-type', 'file',
575 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
576 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
577 'id' => 'item_id', 'network', 'icid', 'event-id',
578 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
579 'network' => 'internal-network', 'psid' => 'internal-psid'];
582 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
585 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
587 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
589 $fields['verb'] = ['name' => 'internal-verb'];
591 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
593 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
594 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
596 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
597 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
599 $fields['causer'] = ['url' => 'causer-link', 'name' => 'causer-name', 'addr' => 'causer-addr',
600 'thumb' => 'causer-avatar', 'nick' => 'causer-nick', 'network' => 'causer-network',
601 'contact-type' => 'causer-contact-type'];
603 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
604 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
605 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
607 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
609 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
610 'network' => 'parent-author-network'];
612 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
613 'start' => 'event-start','finish' => 'event-finish',
614 'summary' => 'event-summary','desc' => 'event-desc',
615 'location' => 'event-location', 'type' => 'event-type',
616 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
617 'ignore' => 'event-ignore'];
619 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
625 * Returns SQL condition for the "select" functions
627 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
629 * @return string SQL condition
631 private static function condition($thread_mode)
634 $master_table = "`thread`";
636 $master_table = "`item`";
638 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
639 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
640 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
641 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
642 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
643 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
644 GRAVITY_PARENT, GRAVITY_PARENT);
648 * Returns all needed "JOIN" commands for the "select" functions
650 * @param integer $uid User ID
651 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
652 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
655 * @return string The SQL joins for the "select" functions
657 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
660 $master_table = "`thread`";
661 $master_table_key = "`thread`.`iid`";
662 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
664 $master_table = "`item`";
665 $master_table_key = "`item`.`id`";
670 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
671 AND NOT `contact`.`blocked`
672 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
673 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
674 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
675 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
676 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
677 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
678 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
679 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
681 if (strpos($sql_commands, "`contact`.") !== false) {
682 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
684 if (strpos($sql_commands, "`author`.") !== false) {
685 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
687 if (strpos($sql_commands, "`owner`.") !== false) {
688 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
691 if (strpos($sql_commands, "`causer`.") !== false) {
692 $joins .= " LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `item`.`causer-id`";
695 if (strpos($sql_commands, "`group_member`.") !== false) {
696 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
699 if (strpos($sql_commands, "`user`.") !== false) {
700 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
703 if (strpos($sql_commands, "`event`.") !== false) {
704 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
707 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
708 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
711 if (strpos($sql_commands, "`item-content`.") !== false) {
712 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
715 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
716 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
719 if (strpos($sql_commands, "`verb`.") !== false) {
720 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
723 if (strpos($sql_commands, "`permissionset`.") !== false) {
724 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
727 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
728 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
730 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
731 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
739 * Add the field list for the "select" functions
741 * @param array $fields The field definition array
742 * @param array $selected The array with the selected fields from the "select" functions
744 * @return string The field list
746 private static function constructSelectFields(array $fields, array $selected)
748 if (!empty($selected)) {
749 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
752 if (in_array('verb', $selected)) {
753 $selected = array_merge($selected, ['internal-verb']);
756 if (in_array('ignored', $selected)) {
757 $selected[] = 'internal-user-ignored';
760 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
763 foreach ($fields as $table => $table_fields) {
764 foreach ($table_fields as $field => $select) {
765 if (empty($selected) || in_array($select, $selected)) {
766 if (is_int($field)) {
767 $selection[] = "`" . $table . "`.`" . $select . "`";
769 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
774 return implode(", ", $selection);
778 * add table definition to fields in an SQL query
780 * @param string $query SQL query
781 * @param array $fields The field definition array
783 * @return string the changed SQL query
785 private static function addTablesToFields($query, $fields)
787 foreach ($fields as $table => $table_fields) {
788 foreach ($table_fields as $alias => $field) {
789 if (is_int($alias)) {
790 $replace_field = $field;
792 $replace_field = $alias;
795 $search = "/([^\.])`" . $field . "`/i";
796 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
797 $query = preg_replace($search, $replace, $query);
804 * Update existing item entries
806 * @param array $fields The fields that are to be changed
807 * @param array $condition The condition for finding the item entries
809 * In the future we may have to change permissions as well.
810 * Then we had to add the user id as third parameter.
812 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
814 * @return integer|boolean number of affected rows - or "false" if there was an error
815 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
817 public static function update(array $fields, array $condition)
819 if (empty($condition) || empty($fields)) {
823 $data_fields = $fields;
825 // To ensure the data integrity we do it in an transaction
828 // We cannot simply expand the condition to check for origin entries
829 // The condition needn't to be a simple array but could be a complex condition.
830 // And we have to execute this query before the update to ensure to fetch the same data.
831 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
833 $content_fields = [];
834 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
835 if (isset($fields[$field])) {
836 $content_fields[$field] = $fields[$field];
837 if (in_array($field, self::CONTENT_FIELDLIST)) {
838 unset($fields[$field]);
840 $fields[$field] = null;
845 $delivery_data = Post\DeliveryData::extractFields($fields);
847 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
848 foreach ($clear_fields as $field) {
849 if (array_key_exists($field, $fields)) {
850 $fields[$field] = null;
854 if (array_key_exists('file', $fields)) {
855 $files = $fields['file'];
856 $fields['file'] = null;
861 if (!empty($content_fields['verb'])) {
862 $fields['vid'] = Verb::getID($content_fields['verb']);
865 if (!empty($fields)) {
866 $success = DBA::update('item', $fields, $condition);
875 // When there is no content for the "old" item table, this will count the fetched items
876 $rows = DBA::affectedRows();
880 while ($item = DBA::fetch($items)) {
881 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
883 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
884 if (!empty($content_fields['body'])) {
885 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
887 // Remove all media attachments from the body and store them in the post-media table
888 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
889 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
892 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
894 if (empty($item['icid'])) {
895 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
896 if (DBA::isResult($item_content)) {
897 $item_fields = ['icid' => $item_content['id']];
898 DBA::update('item', $item_fields, ['id' => $item['id']]);
903 if (!is_null($files)) {
904 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
905 if (!empty($item['file'])) {
906 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
910 if (!empty($fields['attach'])) {
911 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
914 Post\DeliveryData::update($item['uri-id'], $delivery_data);
916 self::updateThread($item['id']);
918 // We only need to notfiy others when it is an original entry from us.
919 // Only call the notifier when the item has some content relevant change.
920 if ($item['origin'] && in_array('edited', array_keys($fields))) {
921 $notify_items[] = $item['id'];
928 foreach ($notify_items as $notify_item) {
929 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
936 * Delete an item and notify others about it - if it was ours
938 * @param array $condition The condition for finding the item entries
939 * @param integer $priority Priority for the notification
940 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
942 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
944 $items = Post::select(['id'], $condition);
945 while ($item = Post::fetch($items)) {
946 self::markForDeletionById($item['id'], $priority);
952 * Delete an item for an user and notify others about it - if it was ours
954 * @param array $condition The condition for finding the item entries
955 * @param integer $uid User who wants to delete this item
956 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
958 public static function deleteForUser($condition, $uid)
964 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
965 while ($item = Post::fetch($items)) {
966 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
968 // "Deleting" global items just means hiding them
969 if ($item['uid'] == 0) {
970 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
971 } elseif ($item['uid'] == $uid) {
972 self::markForDeletionById($item['id'], PRIORITY_HIGH);
974 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
981 * Mark an item for deletion, delete related data and notify others about it - if it was ours
983 * @param integer $item_id
984 * @param integer $priority Priority for the notification
986 * @return boolean success
987 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
989 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
991 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
992 // locate item to be deleted
993 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
994 'deleted', 'file', 'resource-id', 'event-id',
995 'verb', 'object-type', 'object', 'target', 'contact-id',
996 'icid', 'psid', 'gravity'];
997 $item = Post::selectFirst($fields, ['id' => $item_id]);
998 if (!DBA::isResult($item)) {
999 Logger::info('Item not found.', ['id' => $item_id]);
1003 if ($item['deleted']) {
1004 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1008 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
1009 if (!DBA::isResult($parent)) {
1010 $parent = ['origin' => false];
1013 // clean up categories and tags so they don't end up as orphans
1016 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1019 foreach ($matches as $mtch) {
1020 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1026 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1029 foreach ($matches as $mtch) {
1030 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1035 * If item is a link to a photo resource, nuke all the associated photos
1036 * (visitors will not have photo resources)
1037 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1038 * generate a resource-id and therefore aren't intimately linked to the item.
1040 /// @TODO: this should first check if photo is used elsewhere
1041 if (strlen($item['resource-id'])) {
1042 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1045 // If item is a link to an event, delete the event.
1046 if (intval($item['event-id'])) {
1047 Event::delete($item['event-id']);
1050 // If item has attachments, drop them
1051 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
1052 foreach($attachments as $attachment) {
1053 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
1054 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1058 // Set the item to "deleted"
1059 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1060 DBA::update('item', $item_fields, ['id' => $item['id']]);
1062 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1063 self::deleteThread($item['id'], $item['parent-uri']);
1065 if (!Post::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1066 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1069 Post\DeliveryData::delete($item['uri-id']);
1071 // When the permission set will be used in photo and events as well,
1072 // this query here needs to be extended.
1073 // @todo Currently deactivated. We need the permission set in the deletion process.
1074 // This is a reminder to add the removal somewhere else.
1075 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1076 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1079 // If it's the parent of a comment thread, kill all the kids
1080 if ($item['gravity'] == GRAVITY_PARENT) {
1081 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1084 // Is it our comment and/or our thread?
1085 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
1086 // When we delete the original post we will delete all existing copies on the server as well
1087 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1089 // send the notification upstream/downstream
1091 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1093 } elseif ($item['uid'] != 0) {
1094 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
1096 // When we delete just our local user copy of an item, we have to set a marker to hide it
1097 $global_item = Post::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1098 if (DBA::isResult($global_item)) {
1099 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1103 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1109 private static function guid($item, $notify)
1111 if (!empty($item['guid'])) {
1112 return Strings::escapeTags(trim($item['guid']));
1116 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1117 // We add the hash of our own host because our host is the original creator of the post.
1118 $prefix_host = DI::baseUrl()->getHostname();
1122 // We are only storing the post so we create a GUID from the original hostname.
1123 if (!empty($item['author-link'])) {
1124 $parsed = parse_url($item['author-link']);
1125 if (!empty($parsed['host'])) {
1126 $prefix_host = $parsed['host'];
1130 if (empty($prefix_host) && !empty($item['plink'])) {
1131 $parsed = parse_url($item['plink']);
1132 if (!empty($parsed['host'])) {
1133 $prefix_host = $parsed['host'];
1137 if (empty($prefix_host) && !empty($item['uri'])) {
1138 $parsed = parse_url($item['uri']);
1139 if (!empty($parsed['host'])) {
1140 $prefix_host = $parsed['host'];
1144 // Is it in the format data@host.tld? - Used for mail contacts
1145 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1146 $mailparts = explode('@', $item['author-link']);
1147 $prefix_host = array_pop($mailparts);
1151 if (!empty($item['plink'])) {
1152 $guid = self::guidFromUri($item['plink'], $prefix_host);
1153 } elseif (!empty($item['uri'])) {
1154 $guid = self::guidFromUri($item['uri'], $prefix_host);
1156 $guid = System::createUUID(hash('crc32', $prefix_host));
1162 private static function contactId($item)
1164 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1165 return $item['contact-id'];
1166 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1167 return $item['contact-id'];
1168 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1169 return $item['author-id'];
1170 } elseif (!empty($item['contact-id'])) {
1171 return $item['contact-id'];
1173 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1174 if (!empty($contact_id)) {
1178 return $item['author-id'];
1181 // This function will finally cover most of the preparation functionality in mod/item.php
1182 public static function prepare(&$item)
1185 * @TODO: Unused code triggering inspection errors
1187 $data = BBCode::getAttachmentData($item['body']);
1188 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1189 && ($posttype != self::PT_PERSONAL_NOTE)) {
1190 $posttype = self::PT_PAGE;
1191 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1197 * Write an item array into a spool file to be inserted later.
1198 * This command is called whenever there are issues storing an item.
1200 * @param array $item The item fields that are to be inserted
1201 * @throws \Exception
1203 private static function spool($orig_item)
1205 // Now we store the data in the spool directory
1206 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1207 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1209 $spoolpath = get_spoolpath();
1210 if ($spoolpath != "") {
1211 $spool = $spoolpath . '/' . $file;
1213 file_put_contents($spool, json_encode($orig_item));
1214 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1219 * Check if the item array is a duplicate
1221 * @param array $item
1222 * @return boolean is it a duplicate?
1224 private static function isDuplicate(array $item)
1226 // Checking if there is already an item with the same guid
1227 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1228 if (Post::exists($condition)) {
1229 Logger::notice('Found already existing item', [
1230 'guid' => $item['guid'],
1231 'uid' => $item['uid'],
1232 'network' => $item['network']
1237 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1238 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1239 if (Post::exists($condition)) {
1240 Logger::notice('duplicated item with the same uri found.', $item);
1244 // On Friendica and Diaspora the GUID is unique
1245 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1246 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1247 if (Post::exists($condition)) {
1248 Logger::notice('duplicated item with the same guid found.', $item);
1251 } elseif ($item['network'] == Protocol::OSTATUS) {
1252 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1253 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1254 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1255 if (Post::exists($condition)) {
1256 Logger::notice('duplicated item with the same body found.', $item);
1262 * Check for already added items.
1263 * There is a timing issue here that sometimes creates double postings.
1264 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1266 if (($item['uid'] == 0) && Post::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1267 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1275 * Check if the item array is valid
1277 * @param array $item
1278 * @return boolean item is valid
1280 public static function isValid(array $item)
1282 // When there is no content then we don't post it
1283 if ($item['body'] . $item['title'] == '') {
1284 Logger::notice('No body, no title.');
1288 if (!empty($item['uid'])) {
1289 $owner = User::getOwnerDataById($item['uid'], false);
1291 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
1295 if ($owner['account_expired'] || $owner['account_removed']) {
1296 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
1301 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1302 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1306 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1307 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1311 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1312 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1316 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1317 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1321 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
1325 if ($item['verb'] == Activity::FOLLOW) {
1326 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1327 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1328 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1332 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1333 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1334 if (Post::exists($condition)) {
1335 // It happens that we receive multiple follow requests by the same author - we only store one.
1336 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1345 * Check if the item array is too old
1347 * @param array $item
1348 * @return boolean item is too old
1350 public static function isTooOld(array $item)
1352 // check for create date and expire time
1353 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1355 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1356 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1357 $expire_interval = $user['expire'];
1360 if (($expire_interval > 0) && !empty($item['created'])) {
1361 $expire_date = time() - ($expire_interval * 86400);
1362 $created_date = strtotime($item['created']);
1363 if ($created_date < $expire_date) {
1364 Logger::notice('Item created before expiration interval.', [
1365 'created' => date('c', $created_date),
1366 'expired' => date('c', $expire_date),
1377 * Return the id of the given item array if it has been stored before
1379 * @param array $item
1380 * @return integer item id
1382 private static function getDuplicateID(array $item)
1384 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1385 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1386 trim($item['uri']), $item['uid'],
1387 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1388 $existing = Post::selectFirst(['id', 'network'], $condition);
1389 if (DBA::isResult($existing)) {
1390 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1391 if ($item['uid'] != 0) {
1392 Logger::notice('Item already existed for user', [
1393 'uri' => $item['uri'],
1394 'uid' => $item['uid'],
1395 'network' => $item['network'],
1396 'existing_id' => $existing["id"],
1397 'existing_network' => $existing["network"]
1401 return $existing["id"];
1408 * Fetch top-level parent data for the given item array
1410 * @param array $item
1411 * @return array item array with parent data
1412 * @throws \Exception
1414 private static function getTopLevelParent(array $item)
1416 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
1417 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1418 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1419 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
1420 $params = ['order' => ['id' => false]];
1421 $parent = Post::selectFirst($fields, $condition, $params);
1423 if (!DBA::isResult($parent)) {
1424 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
1428 if ($parent['uri'] == $parent['parent-uri']) {
1432 $condition = ['uri' => $parent['parent-uri'],
1433 'parent-uri' => $parent['parent-uri'],
1434 'uid' => $parent['uid']];
1435 $params = ['order' => ['id' => false]];
1436 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
1437 if (!DBA::isResult($toplevel_parent)) {
1438 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
1442 return $toplevel_parent;
1446 * Get the gravity for the given item array
1448 * @param array $item
1449 * @return integer gravity
1451 private static function getGravity(array $item)
1453 $activity = DI::activity();
1455 if (isset($item['gravity'])) {
1456 return intval($item['gravity']);
1457 } elseif ($item['parent-uri'] === $item['uri']) {
1458 return GRAVITY_PARENT;
1459 } elseif ($activity->match($item['verb'], Activity::POST)) {
1460 return GRAVITY_COMMENT;
1461 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1462 return GRAVITY_ACTIVITY;
1463 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1464 return GRAVITY_ACTIVITY;
1466 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1467 return GRAVITY_UNKNOWN; // Should not happen
1470 public static function insert($item, $notify = false, $dontcache = false)
1472 $structure = self::getItemFields();
1476 $priority = PRIORITY_HIGH;
1478 // If it is a posting where users should get notifications, then define it as wall posting
1481 $item['origin'] = 1;
1482 $item['network'] = Protocol::DFRN;
1483 $item['protocol'] = Conversation::PARCEL_DIRECT;
1484 $item['direction'] = Conversation::PUSH;
1486 if (in_array($notify, PRIORITIES)) {
1487 $priority = $notify;
1490 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1493 $uid = intval($item['uid']);
1495 $item['guid'] = self::guid($item, $notify);
1496 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
1499 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1501 // Backward compatibility: parent-uri used to be the direct parent uri.
1502 // If it is provided without a thr-parent, it probably is the old behavior.
1503 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
1504 $item['parent-uri'] = $item['thr-parent'];
1506 // Store conversation data
1507 $item = Conversation::insert($item);
1510 * Do we already have this item?
1511 * We have to check several networks since Friendica posts could be repeated
1512 * via OStatus (maybe Diasporsa as well)
1514 $duplicate = self::getDuplicateID($item);
1519 // Additional duplicate checks
1520 /// @todo Check why the first duplication check returns the item number and the second a 0
1521 if (self::isDuplicate($item)) {
1525 $item['wall'] = intval($item['wall'] ?? 0);
1526 $item['extid'] = trim($item['extid'] ?? '');
1527 $item['author-name'] = trim($item['author-name'] ?? '');
1528 $item['author-link'] = trim($item['author-link'] ?? '');
1529 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1530 $item['owner-name'] = trim($item['owner-name'] ?? '');
1531 $item['owner-link'] = trim($item['owner-link'] ?? '');
1532 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1533 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1534 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1535 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1536 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1537 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1538 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1539 $item['location'] = trim($item['location'] ?? '');
1540 $item['coord'] = trim($item['coord'] ?? '');
1541 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1542 $item['deleted'] = 0;
1543 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1544 $item['verb'] = trim($item['verb'] ?? '');
1545 $item['object-type'] = trim($item['object-type'] ?? '');
1546 $item['object'] = trim($item['object'] ?? '');
1547 $item['target-type'] = trim($item['target-type'] ?? '');
1548 $item['target'] = trim($item['target'] ?? '');
1549 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1550 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1551 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1552 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1553 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1554 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1555 $item['body'] = trim($item['body'] ?? '');
1556 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
1557 $item['app'] = trim($item['app'] ?? '');
1558 $item['origin'] = intval($item['origin'] ?? 0);
1559 $item['postopts'] = trim($item['postopts'] ?? '');
1560 $item['resource-id'] = trim($item['resource-id'] ?? '');
1561 $item['event-id'] = intval($item['event-id'] ?? 0);
1562 $item['inform'] = trim($item['inform'] ?? '');
1563 $item['file'] = trim($item['file'] ?? '');
1565 // Items cannot be stored before they happen ...
1566 if ($item['created'] > DateTimeFormat::utcNow()) {
1567 $item['created'] = DateTimeFormat::utcNow();
1570 // We haven't invented time travel by now.
1571 if ($item['edited'] > DateTimeFormat::utcNow()) {
1572 $item['edited'] = DateTimeFormat::utcNow();
1575 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1577 $item['gravity'] = self::getGravity($item);
1579 $item['language'] = self::getLanguage($item);
1581 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1582 'photo' => $item['author-avatar'], 'network' => $item['network']];
1583 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1585 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1586 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1587 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1589 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1590 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1591 $item['post-type'] = self::PT_FOLLOWER;
1594 // Ensure that there is an avatar cache
1595 Contact::checkAvatarCache($item['author-id']);
1596 Contact::checkAvatarCache($item['owner-id']);
1598 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1599 $item["contact-id"] = self::contactId($item);
1601 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1602 self::isTooOld($item)) {
1603 Logger::info('Item is too old', ['item' => $item]);
1607 if (!self::isValid($item)) {
1611 if ($item['gravity'] !== GRAVITY_PARENT) {
1612 $toplevel_parent = self::getTopLevelParent($item);
1613 if (empty($toplevel_parent)) {
1617 // If the thread originated from this node, we check the permission against the thread starter
1618 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
1619 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
1620 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
1624 $parent_id = $toplevel_parent['id'];
1625 $item['parent-uri'] = $toplevel_parent['uri'];
1626 $item['deleted'] = $toplevel_parent['deleted'];
1627 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1628 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1629 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1630 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1631 $parent_origin = $toplevel_parent['origin'];
1633 // Don't federate received participation messages
1634 if ($item['verb'] != Activity::FOLLOW) {
1635 $item['wall'] = $toplevel_parent['wall'];
1637 $item['wall'] = false;
1641 * If the parent is private, force privacy for the entire conversation
1642 * This differs from the above settings as it subtly allows comments from
1643 * email correspondents to be private even if the overall thread is not.
1645 if ($toplevel_parent['private']) {
1646 $item['private'] = $toplevel_parent['private'];
1650 * Edge case. We host a public forum that was originally posted to privately.
1651 * The original author commented, but as this is a comment, the permissions
1652 * weren't fixed up so it will still show the comment as private unless we fix it here.
1654 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1655 $item['private'] = self::PUBLIC;
1658 // If its a post that originated here then tag the thread as "mention"
1659 if ($item['origin'] && $item['uid']) {
1660 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1661 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1664 // Update the contact relations
1665 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1667 unset($item['parent_origin']);
1670 $parent_origin = $item['origin'];
1673 // We don't store the causer link, only the id
1674 unset($item['causer-link']);
1676 // We don't store these fields anymore in the item table
1677 unset($item['author-link']);
1678 unset($item['author-name']);
1679 unset($item['author-avatar']);
1680 unset($item['author-network']);
1682 unset($item['owner-link']);
1683 unset($item['owner-name']);
1684 unset($item['owner-avatar']);
1686 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1687 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1689 // Is this item available in the global items (with uid=0)?
1690 if ($item["uid"] == 0) {
1691 $item["global"] = true;
1693 // Set the global flag on all items if this was a global item entry
1694 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1696 $item["global"] = Post::exists(['uid' => 0, 'uri' => $item["uri"]]);
1700 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1701 $item["private"] = self::PRIVATE;
1705 $item['edit'] = false;
1706 $item['parent'] = $parent_id;
1707 Hook::callAll('post_local', $item);
1708 unset($item['edit']);
1710 Hook::callAll('post_remote', $item);
1713 // Set after the insert because top-level posts are self-referencing
1714 unset($item['parent']);
1716 if (!empty($item['cancel'])) {
1717 Logger::log('post cancelled by addon.');
1721 if (empty($item['vid']) && !empty($item['verb'])) {
1722 $item['vid'] = Verb::getID($item['verb']);
1725 // Creates or assigns the permission set
1726 $item['psid'] = PermissionSet::getIdFromACL(
1734 unset($item['allow_cid']);
1735 unset($item['allow_gid']);
1736 unset($item['deny_cid']);
1737 unset($item['deny_gid']);
1739 // This array field is used to trigger some automatic reactions
1740 // It is mainly used in the "post_local" hook.
1741 unset($item['api_source']);
1743 if ($item['verb'] == Activity::ANNOUNCE) {
1744 self::setOwnerforResharedItem($item);
1747 // Remove all media attachments from the body and store them in the post-media table
1748 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1749 $item['raw-body'] = self::setHashtags($item['raw-body']);
1751 // Check for hashtags in the body and repair or add hashtag links
1752 $item['body'] = self::setHashtags($item['body']);
1754 if (!empty($item['attach'])) {
1755 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1758 // Fill the cache field
1759 self::putInCache($item);
1761 if (stristr($item['verb'], Activity::POKE)) {
1762 $notify_type = Delivery::POKE;
1764 $notify_type = Delivery::POST;
1767 if (!in_array($item['verb'], self::ACTIVITIES)) {
1768 $item['icid'] = self::insertContent($item);
1769 if (empty($item['icid'])) {
1770 // This shouldn't happen
1771 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1776 $body = $item['body'];
1777 $verb = $item['verb'];
1779 // We just remove everything that is content
1780 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1781 unset($item[$field]);
1784 unset($item['activity']);
1786 // Filling item related side tables
1788 // Diaspora signature
1789 if (!empty($item['diaspora_signed_text'])) {
1790 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1793 unset($item['diaspora_signed_text']);
1795 // Attached file links
1796 if (!empty($item['file'])) {
1797 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1800 unset($item['file']);
1802 // Delivery relevant data
1803 $delivery_data = Post\DeliveryData::extractFields($item);
1804 unset($item['postopts']);
1805 unset($item['inform']);
1807 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1808 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1811 // Store tags from the body if this hadn't been handled previously in the protocol classes
1812 if (!Tag::existsForPost($item['uri-id'])) {
1813 Tag::storeFromBody($item['uri-id'], $body);
1816 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1817 // Remove all fields that aren't part of the item table
1818 foreach ($item as $field => $value) {
1819 if (!in_array($field, $structure['item'])) {
1820 unset($item[$field]);
1824 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1825 if (DBA::exists('item', $condition)) {
1826 Logger::notice('Item is already inserted - aborting', $condition);
1830 $result = DBA::insert('item', $item);
1832 // When the item was successfully stored we fetch the ID of the item.
1833 $current_post = DBA::lastInsertId();
1835 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1839 if (empty($current_post) || !DBA::isResult($result)) {
1840 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1841 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1842 self::spool($orig_item);
1846 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1848 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1849 $parent_id = $current_post;
1853 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1855 $item['id'] = $current_post;
1856 $item['parent'] = $parent_id;
1858 // update the commented timestamp on the parent
1859 if (DI::config()->get('system', 'like_no_comment')) {
1860 // Update when it is a comment
1861 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1863 // Update when it isn't a follow or tag verb
1864 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1867 if ($update_commented) {
1868 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1870 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1873 if ($item['gravity'] === GRAVITY_PARENT) {
1874 self::addThread($current_post);
1876 self::updateThread($parent_id);
1879 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1880 if (self::tagDeliver($item['uid'], $current_post)) {
1881 // Get the user information for the logging
1882 $user = User::getById($uid);
1884 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1889 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1890 if (DBA::isResult($posted_item)) {
1892 Hook::callAll('post_local_end', $posted_item);
1894 Hook::callAll('post_remote_end', $posted_item);
1897 Logger::log('new item not found in DB, id ' . $current_post);
1901 if ($item['gravity'] === GRAVITY_PARENT) {
1902 self::addShadow($current_post);
1904 self::addShadowPost($current_post);
1907 self::updateContact($item);
1909 UserItem::setNotification($current_post);
1911 check_user_notification($current_post);
1913 // Distribute items to users who subscribed to their tags
1914 self::distributeByTags($item);
1916 // Automatically reshare the item if the "remote_self" option is selected
1917 self::autoReshare($item);
1919 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1922 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1923 // Don't relay participation messages
1924 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1925 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1926 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1932 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1935 return $current_post;
1939 * Change the owner of a parent item if it had been shared by a forum
1941 * (public) forum posts in the new format consist of the regular post by the author
1942 * followed by an announce message sent from the forum account.
1943 * Changing the owner helps in grouping forum posts.
1945 * @param array $item
1948 private static function setOwnerforResharedItem(array $item)
1950 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
1951 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1952 if (!DBA::isResult($parent)) {
1953 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1957 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
1958 if (!DBA::isResult($author)) {
1959 Logger::error('Author not found', ['id' => $item['author-id']]);
1963 $cid = Contact::getIdForURL($author['url'], $item['uid']);
1964 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
1965 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
1969 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
1970 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
1971 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1975 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
1976 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
1979 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
1980 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
1984 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
1985 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
1989 * Distribute the given item to users who subscribed to their tags
1991 * @param array $item Processed item
1993 private static function distributeByTags(array $item)
1995 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
1999 $uids = Tag::getUIDListByURIId($item['uri-id']);
2000 foreach ($uids as $uid) {
2001 if (Contact::isSharing($item['author-id'], $uid)) {
2004 $fields = ['post-type' => self::PT_TAG];
2007 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2008 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2013 * Insert a new item content entry
2015 * @param array $item The item fields that are to be inserted
2016 * @throws \Exception
2018 private static function insertContent(array $item)
2020 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2022 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2023 if (isset($item[$field])) {
2024 $fields[$field] = $item[$field];
2028 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2029 if (DBA::isResult($item_content)) {
2030 $icid = $item_content['id'];
2031 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
2035 DBA::replace('item-content', $fields);
2037 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2038 if (DBA::isResult($item_content)) {
2039 $icid = $item_content['id'];
2040 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2044 // This shouldn't happen.
2045 Logger::error("Content wasn't inserted", $item);
2050 * Update existing item content entries
2052 * @param array $item The item fields that are to be changed
2053 * @param array $condition The condition for finding the item content entries
2054 * @throws \Exception
2056 private static function updateContent($item, $condition)
2058 // We have to select only the fields from the "item-content" table
2060 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2061 if (isset($item[$field])) {
2062 $fields[$field] = $item[$field];
2066 if (empty($fields)) {
2070 DBA::update('item-content', $fields, $condition, true);
2071 Logger::info('Updated content', ['condition' => $condition]);
2075 * Distributes public items to the receivers
2077 * @param integer $itemid Item ID that should be added
2078 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2079 * @throws \Exception
2081 public static function distribute($itemid, $signed_text = '')
2083 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2084 $parent = Post::selectFirst(['owner-id'], $condition);
2085 if (!DBA::isResult($parent)) {
2089 // Only distribute public items from native networks
2090 $condition = ['id' => $itemid, 'uid' => 0,
2091 'network' => array_merge(Protocol::FEDERATED ,['']),
2092 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2093 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
2094 if (!DBA::isResult($item)) {
2098 $origin = $item['origin'];
2102 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2103 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2104 if (!DBA::isResult($owner)) {
2108 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2109 $contacts = DBA::select('contact', ['uid'], $condition);
2110 while ($contact = DBA::fetch($contacts)) {
2111 if ($contact['uid'] == 0) {
2115 $users[$contact['uid']] = $contact['uid'];
2117 DBA::close($contacts);
2119 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2120 $contacts = DBA::select('contact', ['uid'], $condition);
2121 while ($contact = DBA::fetch($contacts)) {
2122 if ($contact['uid'] == 0) {
2126 $users[$contact['uid']] = $contact['uid'];
2128 DBA::close($contacts);
2130 if (!empty($owner['alias'])) {
2131 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2132 $contacts = DBA::select('contact', ['uid'], $condition);
2133 while ($contact = DBA::fetch($contacts)) {
2134 if ($contact['uid'] == 0) {
2138 $users[$contact['uid']] = $contact['uid'];
2140 DBA::close($contacts);
2145 if ($item['uri'] != $item['parent-uri']) {
2146 $parents = Post::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2147 while ($parent = Post::fetch($parents)) {
2148 $users[$parent['uid']] = $parent['uid'];
2149 if ($parent['origin'] && !$origin) {
2150 $origin_uid = $parent['uid'];
2153 DBA::close($parents);
2156 foreach ($users as $uid) {
2157 if ($origin_uid == $uid) {
2158 $item['diaspora_signed_text'] = $signed_text;
2160 self::storeForUser($item, $uid);
2165 * Store a public item defined by their URI-ID for the given users
2167 * @param integer $uri_id URI-ID of the given item
2168 * @param integer $uid The user that will receive the item entry
2169 * @param array $fields Additional fields to be stored
2170 * @return integer stored item id
2172 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2174 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2175 if (!DBA::isResult($item)) {
2179 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2180 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']]);
2184 $item['post-type'] = self::PT_STORED;
2186 $item = array_merge($item, $fields);
2188 $stored = self::storeForUser($item, $uid);
2189 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2194 * Store a public item array for the given users
2196 * @param array $item The item entry that will be stored
2197 * @param integer $uid The user that will receive the item entry
2198 * @return integer stored item id
2199 * @throws \Exception
2201 private static function storeForUser(array $item, int $uid)
2203 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2204 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2209 unset($item['parent']);
2210 unset($item['mention']);
2211 unset($item['starred']);
2212 unset($item['unseen']);
2213 unset($item['psid']);
2215 $item['uid'] = $uid;
2216 $item['origin'] = 0;
2219 if ($item['gravity'] == GRAVITY_PARENT) {
2220 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2222 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2225 if (!empty($contact['id'])) {
2226 $item['contact-id'] = $contact['id'];
2228 // Shouldn't happen at all
2229 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2230 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2231 if (!DBA::isResult($self)) {
2232 // Shouldn't happen even less
2233 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2236 $item['contact-id'] = $self['id'];
2239 /// @todo Handling of "event-id"
2242 if ($item['gravity'] == GRAVITY_PARENT) {
2243 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2244 if (DBA::isResult($contact)) {
2245 $notify = self::isRemoteSelf($contact, $item);
2249 $distributed = self::insert($item, $notify, true);
2251 if (!$distributed) {
2252 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2254 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2256 return $distributed;
2260 * Add a shadow entry for a given item id that is a thread starter
2262 * We store every public item entry additionally with the user id "0".
2263 * This is used for the community page and for the search.
2264 * It is planned that in the future we will store public item entries only once.
2266 * @param integer $itemid Item ID that should be added
2267 * @throws \Exception
2269 private static function addShadow($itemid)
2271 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2272 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2273 $item = Post::selectFirst($fields, $condition);
2275 if (!DBA::isResult($item)) {
2279 // is it already a copy?
2280 if (($itemid == 0) || ($item['uid'] == 0)) {
2284 // Is it a visible public post?
2285 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
2289 // is it an entry from a connector? Only add an entry for natively connected networks
2290 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2294 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
2298 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2300 if (DBA::isResult($item)) {
2301 // Preparing public shadow (removing user specific data)
2304 unset($item['parent']);
2305 unset($item['wall']);
2306 unset($item['mention']);
2307 unset($item['origin']);
2308 unset($item['starred']);
2309 unset($item['postopts']);
2310 unset($item['inform']);
2311 unset($item['post-type']);
2312 if ($item['uri'] == $item['parent-uri']) {
2313 $item['contact-id'] = $item['owner-id'];
2315 $item['contact-id'] = $item['author-id'];
2318 $public_shadow = self::insert($item, false, true);
2320 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2325 * Add a shadow entry for a given item id that is a comment
2327 * This function does the same like the function above - but for comments
2329 * @param integer $itemid Item ID that should be added
2330 * @throws \Exception
2332 private static function addShadowPost($itemid)
2334 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2335 if (!DBA::isResult($item)) {
2339 // Is it a toplevel post?
2340 if ($item['gravity'] == GRAVITY_PARENT) {
2341 self::addShadow($itemid);
2345 // Is this a shadow entry?
2346 if ($item['uid'] == 0) {
2350 // Is there a shadow parent?
2351 if (!Post::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2355 // Is there already a shadow entry?
2356 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
2360 // Save "origin" and "parent" state
2361 $origin = $item['origin'];
2362 $parent = $item['parent'];
2364 // Preparing public shadow (removing user specific data)
2367 unset($item['parent']);
2368 unset($item['wall']);
2369 unset($item['mention']);
2370 unset($item['origin']);
2371 unset($item['starred']);
2372 unset($item['postopts']);
2373 unset($item['inform']);
2374 unset($item['post-type']);
2375 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2377 $public_shadow = self::insert($item, false, true);
2379 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2381 // If this was a comment to a Diaspora post we don't get our comment back.
2382 // This means that we have to distribute the comment by ourselves.
2383 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2384 self::distribute($public_shadow);
2389 * Adds a language specification in a "language" element of given $arr.
2390 * Expects "body" element to exist in $arr.
2392 * @param array $item
2393 * @return string detected language
2394 * @throws \Text_LanguageDetect_Exception
2396 private static function getLanguage(array $item)
2398 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
2402 // Convert attachments to links
2403 $naked_body = BBCode::removeAttachment($item['body']);
2404 if (empty($naked_body)) {
2408 // Remove links and pictures
2409 $naked_body = BBCode::removeLinks($naked_body);
2411 // Convert the title and the body to plain text
2412 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
2414 // Remove possibly remaining links
2415 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2417 if (empty($naked_body)) {
2421 $ld = new Language(DI::l10n()->getAvailableLanguages());
2422 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2423 if (is_array($languages)) {
2424 return json_encode($languages);
2430 public static function getLanguageMessage(array $item)
2432 $iso639 = new \Matriphe\ISO639\ISO639;
2434 $used_languages = '';
2435 foreach (json_decode($item['language'], true) as $language => $reliability) {
2436 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2438 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2439 return $used_languages;
2443 * Creates an unique guid out of a given uri
2445 * @param string $uri uri of an item entry
2446 * @param string $host hostname for the GUID prefix
2447 * @return string unique guid
2449 public static function guidFromUri($uri, $host)
2451 // Our regular guid routine is using this kind of prefix as well
2452 // We have to avoid that different routines could accidentally create the same value
2453 $parsed = parse_url($uri);
2455 // We use a hash of the hostname as prefix for the guid
2456 $guid_prefix = hash("crc32", $host);
2458 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2459 unset($parsed["scheme"]);
2461 // Glue it together to be able to make a hash from it
2462 $host_id = implode("/", $parsed);
2464 // We could use any hash algorithm since it isn't a security issue
2465 $host_hash = hash("ripemd128", $host_id);
2467 return $guid_prefix.$host_hash;
2471 * generate an unique URI
2473 * @param integer $uid User id
2474 * @param string $guid An existing GUID (Otherwise it will be generated)
2477 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2479 public static function newURI($uid, $guid = "")
2482 $guid = System::createUUID();
2485 return DI::baseUrl()->get() . '/objects/' . $guid;
2489 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2491 * This can be used to filter for inactive contacts.
2492 * Only do this for public postings to avoid privacy problems, since poco data is public.
2493 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2495 * @param array $arr Contains the just posted item record
2496 * @throws \Exception
2498 private static function updateContact($arr)
2500 // Unarchive the author
2501 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2502 if (DBA::isResult($contact)) {
2503 Contact::unmarkForArchival($contact);
2506 // Unarchive the contact if it's not our own contact
2507 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2508 if (DBA::isResult($contact)) {
2509 Contact::unmarkForArchival($contact);
2512 /// @todo On private posts we could obfuscate the date
2513 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2515 // Is it a forum? Then we don't care about the rules from above
2516 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2517 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2523 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2524 // So we have to ensure to only update the last item when it had been our own post,
2525 // or it had been done by a "regular" contact.
2526 if (!empty($arr['wall'])) {
2527 $condition = ['id' => $arr['contact-id']];
2529 $condition = ['id' => $arr['contact-id'], 'self' => false];
2531 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2533 // Now do the same for the system wide contacts with uid=0
2534 if ($arr['private'] != self::PRIVATE) {
2535 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2536 ['id' => $arr['owner-id']]);
2538 if ($arr['owner-id'] != $arr['author-id']) {
2539 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2540 ['id' => $arr['author-id']]);
2545 public static function setHashtags($body)
2547 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2548 $tags = BBCode::getTags($body);
2551 if (!count($tags)) {
2555 // This sorting is important when there are hashtags that are part of other hashtags
2556 // Otherwise there could be problems with hashtags like #test and #test2
2557 // Because of this we are sorting from the longest to the shortest tag.
2558 usort($tags, function ($a, $b) {
2559 return strlen($b) <=> strlen($a);
2562 $URLSearchString = "^\[\]";
2564 // All hashtags should point to the home server if "local_tags" is activated
2565 if (DI::config()->get('system', 'local_tags')) {
2566 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2567 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2570 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2571 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2573 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2576 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2578 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2581 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2583 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2586 // Repair recursive urls
2587 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2590 foreach ($tags as $tag) {
2591 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2595 $basetag = str_replace('_', ' ', substr($tag, 1));
2596 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2598 $body = str_replace($tag, $newtag, $body);
2601 // Convert back the masked hashtags
2602 $body = str_replace("#", "#", $body);
2611 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2614 * @param int $item_id
2615 * @return boolean true if item was deleted, else false
2616 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2617 * @throws \ImagickException
2619 private static function tagDeliver($uid, $item_id)
2623 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2624 if (!DBA::isResult($user)) {
2628 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2629 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2631 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2632 if (!DBA::isResult($item)) {
2636 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2639 * Diaspora uses their own hardwired link URL in @-tags
2640 * instead of the one we supply with webfinger
2642 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2644 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2646 foreach ($matches as $mtch) {
2647 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2649 Logger::log('mention found: ' . $mtch[2]);
2655 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2656 foreach ($tags as $tag) {
2657 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2659 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2665 if (($community_page || $prvgroup) &&
2666 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2667 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2668 DBA::delete('item', ['id' => $item_id]);
2674 $arr = ['item' => $item, 'user' => $user];
2676 Hook::callAll('tagged', $arr);
2678 if (!$community_page && !$prvgroup) {
2683 * tgroup delivery - setup a second delivery chain
2684 * prevent delivery looping - only proceed
2685 * if the message originated elsewhere and is a top-level post
2687 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2691 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2692 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2693 if (!DBA::isResult($self)) {
2697 $owner_id = Contact::getIdForURL($self['url']);
2699 // also reset all the privacy bits to the forum default permissions
2701 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2703 $psid = PermissionSet::getIdFromACL(
2711 $forum_mode = ($prvgroup ? 2 : 1);
2713 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2714 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2715 self::update($fields, ['id' => $item_id]);
2717 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2719 self::performActivity($item_id, 'announce', $uid);
2725 * Automatically reshare the item if the "remote_self" option is selected
2727 * @param array $item
2730 private static function autoReshare(array $item)
2732 if ($item['gravity'] != GRAVITY_PARENT) {
2736 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2740 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2744 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2746 self::performActivity($item['id'], 'announce', $item['uid']);
2749 public static function isRemoteSelf($contact, &$datarray)
2751 if (!$contact['remote_self']) {
2755 // Prevent the forwarding of posts that are forwarded
2756 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2757 Logger::info('Already forwarded');
2761 // Prevent to forward already forwarded posts
2762 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2763 Logger::info('Already forwarded (second test)');
2767 // Only forward posts
2768 if ($datarray["verb"] != Activity::POST) {
2769 Logger::info('No post');
2773 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2774 Logger::info('Not public');
2778 $datarray2 = $datarray;
2779 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2780 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2781 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2782 ['uid' => $contact['uid'], 'self' => true]);
2783 if (DBA::isResult($self)) {
2784 $datarray['contact-id'] = $self["id"];
2786 $datarray['owner-name'] = $self["name"];
2787 $datarray['owner-link'] = $self["url"];
2788 $datarray['owner-avatar'] = $self["thumb"];
2790 $datarray['author-name'] = $datarray['owner-name'];
2791 $datarray['author-link'] = $datarray['owner-link'];
2792 $datarray['author-avatar'] = $datarray['owner-avatar'];
2794 unset($datarray['edited']);
2796 unset($datarray['network']);
2797 unset($datarray['owner-id']);
2798 unset($datarray['author-id']);
2801 if ($contact['network'] != Protocol::FEED) {
2802 $old_uri_id = $datarray["uri-id"] ?? 0;
2803 $datarray["guid"] = System::createUUID();
2804 unset($datarray["plink"]);
2805 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2806 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2807 $datarray["extid"] = Protocol::DFRN;
2808 $urlpart = parse_url($datarray2['author-link']);
2809 $datarray["app"] = $urlpart["host"];
2810 if (!empty($old_uri_id)) {
2811 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2814 unset($datarray["parent-uri"]);
2815 unset($datarray["thr-parent"]);
2817 $datarray['private'] = self::PUBLIC;
2821 if ($contact['network'] != Protocol::FEED) {
2822 // Store the original post
2823 $result = self::insert($datarray2);
2824 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2826 $datarray["app"] = "Feed";
2830 // Trigger automatic reactions for addons
2831 $datarray['api_source'] = true;
2833 // We have to tell the hooks who we are - this really should be improved
2834 $_SESSION['authenticated'] = true;
2835 $_SESSION['uid'] = $contact['uid'];
2837 return (bool)$result;
2844 * @param array $item
2847 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2848 * @throws \ImagickException
2850 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2852 if (DI::config()->get('system', 'disable_embedded')) {
2856 Logger::info('check for photos');
2857 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2862 $img_start = strpos($orig_body, '[img');
2863 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2864 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2866 while (($img_st_close !== false) && ($img_len !== false)) {
2867 $img_st_close++; // make it point to AFTER the closing bracket
2868 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2870 Logger::info('found photo', ['image' => $image]);
2872 if (stristr($image, $site . '/photo/')) {
2873 // Only embed locally hosted photos
2875 $i = basename($image);
2876 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2877 $x = strpos($i, '-');
2880 $res = substr($i, $x + 1);
2881 $i = substr($i, 0, $x);
2882 $photo = Photo::getPhotoForUser($uid, $i, $res);
2883 if (DBA::isResult($photo)) {
2885 * Check to see if we should replace this photo link with an embedded image
2886 * 1. No need to do so if the photo is public
2887 * 2. If there's a contact-id provided, see if they're in the access list
2888 * for the photo. If so, embed it.
2889 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2890 * permissions, regardless of order but first check to see if they're an exact
2891 * match to save some processing overhead.
2893 if (self::hasPermissions($photo)) {
2895 $recips = self::enumeratePermissions($photo);
2896 if (in_array($cid, $recips)) {
2900 if (self::samePermissions($uid, $item, $photo)) {
2906 $photo_img = Photo::getImageForPhoto($photo);
2907 // If a custom width and height were specified, apply before embedding
2908 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2909 Logger::info('scaling photo');
2911 $width = intval($match[1]);
2912 $height = intval($match[2]);
2914 $photo_img->scaleDown(max($width, $height));
2917 $data = $photo_img->asString();
2918 $type = $photo_img->getType();
2920 Logger::info('replacing photo');
2921 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2922 Logger::debug('replaced', ['image' => $image]);
2928 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2929 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2930 if ($orig_body === false) {
2934 $img_start = strpos($orig_body, '[img');
2935 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2936 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2939 $new_body = $new_body . $orig_body;
2944 private static function hasPermissions($obj)
2946 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2947 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2950 private static function samePermissions($uid, $obj1, $obj2)
2952 // first part is easy. Check that these are exactly the same.
2953 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2954 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2955 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2956 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2960 // This is harder. Parse all the permissions and compare the resulting set.
2961 $recipients1 = self::enumeratePermissions($obj1);
2962 $recipients2 = self::enumeratePermissions($obj2);
2966 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2967 return ($recipients1 == $recipients2);
2971 * Returns an array of contact-ids that are allowed to see this object
2973 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2974 * @param bool $check_dead Prunes unavailable contacts from the result
2976 * @throws \Exception
2978 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2980 $aclFormater = DI::aclFormatter();
2982 $allow_people = $aclFormater->expand($obj['allow_cid']);
2983 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2984 $deny_people = $aclFormater->expand($obj['deny_cid']);
2985 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2986 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2987 $deny = array_unique(array_merge($deny_people, $deny_groups));
2988 $recipients = array_diff($recipients, $deny);
2992 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
2994 if (!$uid || ($days < 1)) {
2998 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
2999 $uid, GRAVITY_PARENT];
3002 * $expire_network_only = save your own wall posts
3003 * and just expire conversations started by others
3005 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3007 if ($expire_network_only) {
3008 $condition[0] .= " AND NOT `wall`";
3011 if ($network != "") {
3012 $condition[0] .= " AND `network` = ?";
3013 $condition[] = $network;
3016 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3017 $condition[] = $days;
3019 $items = Post::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3021 if (!DBA::isResult($items)) {
3025 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3027 // Forcing expiring of items - but not notes and marked items
3029 $expire_items = true;
3032 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3033 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3034 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3038 $priority = DI::config()->get('system', 'expire-notify-priority');
3040 while ($item = Post::fetch($items)) {
3041 // don't expire filed items
3043 if (strpos($item['file'], '[') !== false) {
3047 // Only expire posts, not photos and photo comments
3049 if (!$expire_photos && strlen($item['resource-id'])) {
3051 } elseif (!$expire_starred && intval($item['starred'])) {
3053 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
3055 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
3059 self::markForDeletionById($item['id'], $priority);
3064 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3067 public static function firstPostDate($uid, $wall = false)
3069 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3070 $params = ['order' => ['received' => false]];
3071 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3072 if (DBA::isResult($thread)) {
3073 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3079 * add/remove activity to an item
3081 * Toggle activities as like,dislike,attend of an item
3083 * @param int $item_id
3084 * @param string $verb
3085 * Activity verb. One of
3086 * like, unlike, dislike, undislike, attendyes, unattendyes,
3087 * attendno, unattendno, attendmaybe, unattendmaybe,
3088 * announce, unannouce
3090 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3091 * @throws \ImagickException
3092 * @hook 'post_local_end'
3094 * 'post_id' => ID of posted item
3096 public static function performActivity(int $item_id, string $verb, int $uid)
3102 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3104 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3105 if (!DBA::isResult($item)) {
3106 Logger::log('like: unknown item ' . $item_id);
3110 $item_uri = $item['uri'];
3112 if (!in_array($item['uid'], [0, $uid])) {
3116 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3117 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3118 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3119 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3120 if (!DBA::isResult($item)) {
3121 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3127 // Retrieves the local post owner
3128 $owner = User::getOwnerDataById($uid);
3129 if (empty($owner)) {
3130 Logger::info('Empty owner for user', ['uid' => $uid]);
3134 // Retrieve the current logged in user's public contact
3135 $author_id = Contact::getIdForURL($owner['url']);
3136 if (empty($author_id)) {
3137 Logger::info('Empty public contact');
3145 $activity = Activity::LIKE;
3149 $activity = Activity::DISLIKE;
3153 $activity = Activity::ATTEND;
3157 $activity = Activity::ATTENDNO;
3160 case 'unattendmaybe':
3161 $activity = Activity::ATTENDMAYBE;
3165 $activity = Activity::FOLLOW;
3169 $activity = Activity::ANNOUNCE;
3172 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3176 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3178 // Enable activity toggling instead of on/off
3179 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3181 // Look for an existing verb row
3182 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3183 if ($event_verb_flag) {
3184 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3186 // Translate to the index based activity index
3188 foreach ($verbs as $verb) {
3189 $vids[] = Verb::getID($verb);
3192 $vids = Verb::getID($activity);
3195 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3196 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3197 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
3199 if (DBA::isResult($like_item)) {
3201 * Truth table for existing activities
3203 * | Inputs || Outputs |
3204 * |----------------------------||-------------------|
3205 * | Mode | Event | Same verb || Delete? | Return? |
3206 * |--------|-------|-----------||---------|---------|
3207 * | create | Yes | Yes || No | Yes |
3208 * | create | Yes | No || Yes | No |
3209 * | create | No | Yes || No | Yes |
3210 * | create | No | No || N/A†|
3211 * | delete | Yes | Yes || Yes | N/A‡ |
3212 * | delete | Yes | No || No | N/A‡ |
3213 * | delete | No | Yes || Yes | N/A‡ |
3214 * | delete | No | No || N/A†|
3215 * |--------|-------|-----------||---------|---------|
3216 * | A | B | C || A xor C | !B or C |
3218 * †Can't happen: It's impossible to find an existing non-event activity without
3219 * the same verb because we are only looking for this single verb.
3221 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3223 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3224 self::markForDeletionById($like_item['id']);
3227 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3232 // No need to go further if we aren't creating anything
3233 if ($mode == 'delete') {
3237 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3240 'guid' => System::createUUID(),
3241 'uri' => self::newURI($item['uid']),
3242 'uid' => $item['uid'],
3243 'contact-id' => $owner['id'],
3244 'wall' => $item['wall'],
3246 'network' => Protocol::DFRN,
3247 'protocol' => Conversation::PARCEL_DIRECT,
3248 'direction' => Conversation::PUSH,
3249 'gravity' => GRAVITY_ACTIVITY,
3250 'parent' => $item['id'],
3251 'thr-parent' => $item['uri'],
3252 'owner-id' => $author_id,
3253 'author-id' => $author_id,
3254 'body' => $activity,
3255 'verb' => $activity,
3256 'object-type' => $objtype,
3257 'allow_cid' => $item['allow_cid'],
3258 'allow_gid' => $item['allow_gid'],
3259 'deny_cid' => $item['deny_cid'],
3260 'deny_gid' => $item['deny_gid'],
3265 $signed = Diaspora::createLikeSignature($uid, $new_item);
3266 if (!empty($signed)) {
3267 $new_item['diaspora_signed_text'] = json_encode($signed);
3270 $new_item_id = self::insert($new_item);
3272 // If the parent item isn't visible then set it to visible
3273 if (!$item['visible']) {
3274 self::update(['visible' => true], ['id' => $item['id']]);
3277 $new_item['id'] = $new_item_id;
3279 Hook::callAll('post_local_end', $new_item);
3284 private static function addThread($itemid, $onlyshadow = false)
3286 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3287 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3288 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3289 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3290 $item = Post::selectFirst($fields, $condition);
3292 if (!DBA::isResult($item)) {
3296 $item['iid'] = $itemid;
3299 $result = DBA::replace('thread', $item);
3301 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3305 private static function updateThread($itemid, $setmention = false)
3307 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3308 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3309 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3311 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3312 if (!DBA::isResult($item)) {
3317 $item["mention"] = 1;
3322 foreach ($item as $field => $data) {
3323 if (!in_array($field, ["guid"])) {
3324 $fields[$field] = $data;
3328 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3330 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3333 private static function deleteThread($itemid, $itemuri = "")
3335 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3336 if (!DBA::isResult($item)) {
3337 Logger::info('No thread found', ['id' => $itemid]);
3341 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3343 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3345 if ($itemuri != "") {
3346 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3347 if (!Post::exists($condition)) {
3348 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3349 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3355 * Fetch the SQL condition for the given user id
3357 * @param integer $owner_id User ID for which the permissions should be fetched
3358 * @return array condition
3360 public static function getPermissionsConditionArrayByUserId(int $owner_id)
3362 $local_user = local_user();
3363 $remote_user = Session::getRemoteContactID($owner_id);
3365 // default permissions - anonymous user
3366 $condition = ["`private` != ?", self::PRIVATE];
3368 if ($local_user && ($local_user == $owner_id)) {
3369 // Profile owner - everything is visible
3371 } elseif ($remote_user) {
3372 // Authenticated visitor - fetch the matching permissionsets
3373 $set = PermissionSet::get($owner_id, $remote_user);
3375 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
3376 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3377 self::PRIVATE, self::PRIVATE];
3378 $condition = array_merge($condition, $set);
3385 public static function getPermissionsSQLByUserId($owner_id)
3387 $local_user = local_user();
3388 $remote_user = Session::getRemoteContactID($owner_id);
3391 * Construct permissions
3393 * default permissions - anonymous user
3395 $sql = sprintf(" AND `private` != %d", self::PRIVATE);
3397 // Profile owner - everything is visible
3398 if ($local_user && ($local_user == $owner_id)) {
3400 } elseif ($remote_user) {
3402 * Authenticated visitor. Unless pre-verified,
3403 * check that the contact belongs to this $owner_id
3404 * and load the groups the visitor belongs to.
3405 * If pre-verified, the caller is expected to have already
3406 * done this and passed the groups into this function.
3408 $set = PermissionSet::get($owner_id, $remote_user);
3411 $sql_set = sprintf(" OR (`private` = %d AND `wall` AND `psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3416 $sql = sprintf(" AND (`private` != %d", self::PRIVATE) . $sql_set . ")";
3423 * get translated item type
3428 public static function postType($item)
3430 if (!empty($item['event-id'])) {
3431 return DI::l10n()->t('event');
3432 } elseif (!empty($item['resource-id'])) {
3433 return DI::l10n()->t('photo');
3434 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3435 return DI::l10n()->t('activity');
3436 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3437 return DI::l10n()->t('comment');
3440 return DI::l10n()->t('post');
3444 * Sets the "rendered-html" field of the provided item
3446 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3448 * @param array $item
3449 * @param bool $update
3451 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3452 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3454 public static function putInCache(&$item, $update = false)
3456 // Save original body to prevent addons to modify it
3457 $body = $item['body'];
3459 $rendered_hash = $item['rendered-hash'] ?? '';
3460 $rendered_html = $item['rendered-html'] ?? '';
3462 if ($rendered_hash == ''
3463 || $rendered_html == ''
3464 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3465 || DI::config()->get('system', 'ignore_cache')
3467 self::addRedirToImageTags($item);
3469 $item['rendered-html'] = BBCode::convert($item['body']);
3470 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3472 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3473 Hook::callAll('put_item_in_cache', $hook_data);
3474 $item['rendered-html'] = $hook_data['rendered-html'];
3475 $item['rendered-hash'] = $hook_data['rendered-hash'];
3478 // Force an update if the generated values differ from the existing ones
3479 if ($rendered_hash != $item['rendered-hash']) {
3483 // Only compare the HTML when we forcefully ignore the cache
3484 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
3488 if ($update && !empty($item['id'])) {
3491 'rendered-html' => $item['rendered-html'],
3492 'rendered-hash' => $item['rendered-hash']
3494 ['id' => $item['id']]
3499 $item['body'] = $body;
3503 * Find any non-embedded images in private items and add redir links to them
3505 * @param array &$item The field array of an item row
3507 private static function addRedirToImageTags(array &$item)
3512 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3514 foreach ($matches as $mtch) {
3515 if (strpos($mtch[1], '/redir') !== false) {
3519 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3520 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3521 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3528 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3529 * If attach is true, also add icons for item attachments.
3531 * @param array $item
3532 * @param boolean $attach
3533 * @param boolean $is_preview
3534 * @return string item body html
3535 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3536 * @throws \ImagickException
3537 * @hook prepare_body_init item array before any work
3538 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3539 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3540 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3542 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3545 Hook::callAll('prepare_body_init', $item);
3547 // In order to provide theme developers more possibilities, event items
3548 // are treated differently.
3549 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3550 $ev = Event::getItemHTML($item);
3554 $tags = Tag::populateFromItem($item);
3556 $item['tags'] = $tags['tags'];
3557 $item['hashtags'] = $tags['hashtags'];
3558 $item['mentions'] = $tags['mentions'];
3560 // Compile eventual content filter reasons
3561 $filter_reasons = [];
3562 if (!$is_preview && public_contact() != $item['author-id']) {
3563 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3564 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3569 'filter_reasons' => $filter_reasons
3571 Hook::callAll('prepare_body_content_filter', $hook_data);
3572 $filter_reasons = $hook_data['filter_reasons'];
3576 // Update the cached values if there is no "zrl=..." on the links.
3577 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3579 // Or update it if the current viewer is the intented viewer.
3580 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3584 self::putInCache($item, $update);
3585 $s = $item["rendered-html"];
3590 'preview' => $is_preview,
3591 'filter_reasons' => $filter_reasons
3593 Hook::callAll('prepare_body', $hook_data);
3594 $s = $hook_data['html'];
3598 // Replace the blockquotes with quotes that are used in mails.
3599 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3600 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3606 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
3607 $mime = $attachment['mimetype'];
3609 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
3611 if (strpos($mime, 'video') !== false) {
3614 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3617 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3619 'id' => $item['author-id'],
3620 'title' => DI::l10n()->t('View Video'),
3627 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3629 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3630 $filesubtype = str_replace('.', '-', $filesubtype);
3633 $filesubtype = 'unkn';
3636 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3637 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
3639 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3640 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3644 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3648 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3649 $x = Map::byCoordinates(trim($item['coord']));
3651 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3655 // Replace friendica image url size with theme preference.
3656 if (!empty($a->theme_info['item_image_size'])) {
3657 $ps = $a->theme_info['item_image_size'];
3658 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3661 $s = HTML::applyContentFilter($s, $filter_reasons);
3663 $hook_data = ['item' => $item, 'html' => $s];
3664 Hook::callAll('prepare_body_final', $hook_data);
3666 return $hook_data['html'];
3670 * get private link for item
3672 * @param array $item
3673 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3674 * @throws \Exception
3676 public static function getPlink($item)
3680 'href' => "display/" . $item['guid'],
3681 'orig' => "display/" . $item['guid'],
3682 'title' => DI::l10n()->t('View on separate page'),
3683 'orig_title' => DI::l10n()->t('view on separate page'),
3686 if (!empty($item['plink'])) {
3687 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3688 $ret["title"] = DI::l10n()->t('link to source');
3690 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3692 'href' => $item['plink'],
3693 'orig' => $item['plink'],
3694 'title' => DI::l10n()->t('link to source'),
3704 * Is the given item array a post that is sent as starting post to a forum?
3706 * @param array $item
3707 * @param array $owner
3709 * @return boolean "true" when it is a forum post
3711 public static function isForumPost(array $item, array $owner = [])
3713 if (empty($owner)) {
3714 $owner = User::getOwnerDataById($item['uid']);
3715 if (empty($owner)) {
3720 if (($item['author-id'] == $item['owner-id']) ||
3721 ($owner['id'] == $item['contact-id']) ||
3722 ($item['uri'] != $item['parent-uri']) ||
3727 return Contact::isForum($item['contact-id']);
3731 * Search item id for given URI or plink
3733 * @param string $uri
3734 * @param integer $uid
3736 * @return integer item id
3738 public static function searchByLink($uri, $uid = 0)
3740 $ssl_uri = str_replace('http://', 'https://', $uri);
3741 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3743 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3744 if (DBA::isResult($item)) {
3748 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3749 if (!DBA::isResult($itemcontent)) {
3753 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3754 if (!DBA::isResult($itemuri)) {
3758 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3759 if (DBA::isResult($item)) {
3767 * Return the URI for a link to the post
3769 * @param string $uri URI or link to post
3771 * @return string URI
3773 public static function getURIByLink(string $uri)
3775 $ssl_uri = str_replace('http://', 'https://', $uri);
3776 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3778 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3779 if (DBA::isResult($item)) {
3780 return $item['uri'];
3783 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3784 if (!DBA::isResult($itemcontent)) {
3788 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3789 if (DBA::isResult($itemuri)) {
3790 return $itemuri['uri'];
3797 * Fetches item for given URI or plink
3799 * @param string $uri
3800 * @param integer $uid
3802 * @return integer item id
3804 public static function fetchByLink(string $uri, int $uid = 0)
3806 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3807 $item_id = self::searchByLink($uri, $uid);
3808 if (!empty($item_id)) {
3809 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3813 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3814 $item_id = self::searchByLink($fetched_uri, $uid);
3816 $item_id = Diaspora::fetchByURL($uri);
3819 if (!empty($item_id)) {
3820 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3824 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3829 * Return share data from an item array (if the item is shared item)
3830 * We are providing the complete Item array, because at some time in the future
3831 * we hopefully will define these values not in the body anymore but in some item fields.
3832 * This function is meant to replace all similar functions in the system.
3834 * @param array $item
3836 * @return array with share information
3838 public static function getShareArray($item)
3840 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3844 $attribute_string = $matches[2];
3845 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3846 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3847 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3848 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3855 * Fetch item information for shared items from the original items and adds it.
3857 * @param array $item
3859 * @return array item array with data from the original item
3861 public static function addShareDataFromOriginal(array $item)
3863 $shared = self::getShareArray($item);
3864 if (empty($shared)) {
3868 // Real reshares always have got a GUID.
3869 if (empty($shared['guid'])) {
3873 $uid = $item['uid'] ?? 0;
3875 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3876 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3877 if (!DBA::isResult($shared_item)) {
3878 if (empty($shared['link'])) {
3882 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3883 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3885 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3889 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3890 if (!DBA::isResult($shared_item)) {
3893 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3895 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3898 if (!empty($shared_item['title'])) {
3899 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3900 unset($shared_item['title']);
3902 $body = $shared_item['body'];
3905 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3906 unset($shared_item['body']);
3908 return array_merge($item, $shared_item);
3912 * Check a prospective item array against user-level permissions
3914 * @param array $item Expected keys: uri, gravity, and
3915 * author-link if is author-id is set,
3916 * owner-link if is owner-id is set,
3917 * causer-link if is causer-id is set.
3918 * @param int $user_id Local user ID
3920 * @throws \Exception
3922 protected static function isAllowedByUser(array $item, int $user_id)
3924 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
3925 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3929 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
3930 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3934 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
3935 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
3936 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
3940 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
3941 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);