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']);
151 public static function isLegacyMode()
153 if (is_null(self::$legacy_mode)) {
154 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
157 return self::$legacy_mode;
161 * Set the pinned state of an item
163 * @param integer $iid Item ID
164 * @param integer $uid User ID
165 * @param boolean $pinned Pinned state
167 public static function setPinned(int $iid, int $uid, bool $pinned)
169 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
173 * Get the pinned state
175 * @param integer $iid Item ID
176 * @param integer $uid User ID
178 * @return boolean pinned state
180 public static function getPinned(int $iid, int $uid)
182 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
183 if (!DBA::isResult($useritem)) {
186 return (bool)$useritem['pinned'];
190 * Select pinned rows from the item table for a given user
192 * @param integer $uid User ID
193 * @param array $selected Array of selected fields, empty for all
194 * @param array $condition Array of fields for condition
195 * @param array $params Array of several parameters
197 * @return boolean|object
200 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
202 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
203 if (!DBA::isResult($useritems)) {
208 while ($useritem = DBA::fetch($useritems)) {
209 $pinned[] = $useritem['iid'];
211 DBA::close($useritems);
213 if (empty($pinned)) {
217 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
219 return self::selectThreadForUser($uid, $selected, $condition, $params);
223 * Fetch a single item row
225 * @param mixed $stmt statement object
226 * @return array|false current row or false
229 public static function fetch($stmt)
231 $row = DBA::fetch($stmt);
233 if (!is_array($row)) {
237 $row = DBA::castFields('item', $row);
239 // ---------------------- Transform item structure data ----------------------
241 // We prefer the data from the user's contact over the public one
242 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
243 ($row['author-link'] == $row['contact-link'])) {
244 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
245 $row['author-avatar'] = $row['contact-avatar'];
247 if (isset($row['author-name']) && !empty($row['contact-name'])) {
248 $row['author-name'] = $row['contact-name'];
252 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
253 ($row['owner-link'] == $row['contact-link'])) {
254 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
255 $row['owner-avatar'] = $row['contact-avatar'];
257 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
258 $row['owner-name'] = $row['contact-name'];
262 // We can always comment on posts from these networks
263 if (array_key_exists('writable', $row) &&
264 in_array($row['internal-network'], Protocol::FEDERATED)) {
265 $row['writable'] = 1;
268 // ---------------------- Transform item content data ----------------------
270 // Fetch data from the item-content table whenever there is content there
271 if (self::isLegacyMode()) {
272 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
273 foreach ($legacy_fields as $field) {
274 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
275 $row[$field] = $row['internal-item-' . $field];
277 unset($row['internal-item-' . $field]);
281 if (array_key_exists('verb', $row)) {
282 if (!is_null($row['internal-verb'])) {
283 $row['verb'] = $row['internal-verb'];
286 if (in_array($row['verb'], self::ACTIVITIES)) {
287 if (array_key_exists('title', $row)) {
290 if (array_key_exists('body', $row)) {
291 $row['body'] = $row['verb'];
293 if (array_key_exists('object', $row)) {
296 if (array_key_exists('object-type', $row)) {
297 $row['object-type'] = Activity\ObjectType::NOTE;
299 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
300 // Posts don't have a target - but having tags or files.
301 if (array_key_exists('target', $row)) {
307 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
308 $row['vid'] = Verb::getID($row['verb']);
311 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
312 // Build the file string out of the term entries
313 if (array_key_exists('file', $row) && empty($row['file'])) {
314 $row['file'] = Post\Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
318 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
319 if (array_key_exists('allow_cid', $row)) {
320 $row['allow_cid'] = '';
322 if (array_key_exists('allow_gid', $row)) {
323 $row['allow_gid'] = '';
325 if (array_key_exists('deny_cid', $row)) {
326 $row['deny_cid'] = '';
328 if (array_key_exists('deny_gid', $row)) {
329 $row['deny_gid'] = '';
333 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
334 $row['ignored'] = $row['internal-user-ignored'];
337 // Remove internal fields
338 unset($row['internal-network']);
339 unset($row['internal-uri-id']);
340 unset($row['internal-uid']);
341 unset($row['internal-psid']);
342 unset($row['internal-verb']);
343 unset($row['internal-user-ignored']);
344 unset($row['interaction']);
350 * Fills an array with data from an item query
352 * @param object $stmt statement object
353 * @param bool $do_close
354 * @return array Data array
356 public static function toArray($stmt, $do_close = true) {
357 if (is_bool($stmt)) {
362 while ($row = self::fetch($stmt)) {
372 * Check if item data exists
374 * @param array $condition array of fields for condition
376 * @return boolean Are there rows for that condition?
379 public static function exists($condition) {
380 $stmt = self::select(['id'], $condition, ['limit' => 1]);
382 if (is_bool($stmt)) {
385 $retval = (DBA::numRows($stmt) > 0);
394 * Select rows from the item table for a given user
396 * @param integer $uid User ID
397 * @param array $selected Array of selected fields, empty for all
398 * @param array $condition Array of fields for condition
399 * @param array $params Array of several parameters
401 * @return boolean|object
404 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
406 $params['uid'] = $uid;
408 if (empty($selected)) {
409 $selected = self::DISPLAY_FIELDLIST;
412 return self::select($selected, $condition, $params);
416 * Retrieve a single record from the item table and returns it in an associative array
418 * @param array $fields
419 * @param array $condition
420 * @param array $params
425 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
427 $params['limit'] = 1;
429 $result = self::select($fields, $condition, $params);
431 if (is_bool($result)) {
434 $row = self::fetch($result);
441 * Select rows from the item table and returns them as an array
443 * @param array $selected Array of selected fields, empty for all
444 * @param array $condition Array of fields for condition
445 * @param array $params Array of several parameters
450 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
452 $result = self::select($fields, $condition, $params);
454 if (is_bool($result)) {
459 while ($row = self::fetch($result)) {
468 * Select rows from the item table
470 * @param array $selected Array of selected fields, empty for all
471 * @param array $condition Array of fields for condition
472 * @param array $params Array of several parameters
474 * @return boolean|object
477 public static function select(array $selected = [], array $condition = [], $params = [])
482 if (isset($params['uid'])) {
483 $uid = $params['uid'];
487 $fields = self::fieldlist($usermode);
489 $select_fields = self::constructSelectFields($fields, $selected);
491 $condition_string = DBA::buildCondition($condition);
493 $condition_string = self::addTablesToFields($condition_string, $fields);
496 $condition_string = $condition_string . ' AND ' . self::condition(false);
499 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
501 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
503 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
505 return DBA::p($sql, $condition);
509 * Select rows from the starting post in the item table
511 * @param integer $uid User ID
512 * @param array $selected
513 * @param array $condition Array of fields for condition
514 * @param array $params Array of several parameters
516 * @return boolean|object
519 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
521 $params['uid'] = $uid;
523 if (empty($selected)) {
524 $selected = self::DISPLAY_FIELDLIST;
527 return self::selectThread($selected, $condition, $params);
531 * Retrieve a single record from the starting post in the item table and returns it in an associative array
533 * @param integer $uid User ID
534 * @param array $selected
535 * @param array $condition
536 * @param array $params
541 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
543 $params['uid'] = $uid;
545 if (empty($selected)) {
546 $selected = self::DISPLAY_FIELDLIST;
549 return self::selectFirstThread($selected, $condition, $params);
553 * Retrieve a single record from the starting post in the item table and returns it in an associative array
555 * @param array $fields
556 * @param array $condition
557 * @param array $params
562 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
564 $params['limit'] = 1;
565 $result = self::selectThread($fields, $condition, $params);
567 if (is_bool($result)) {
570 $row = self::fetch($result);
577 * Select rows from the starting post in the item table
579 * @param array $selected Array of selected fields, empty for all
580 * @param array $condition Array of fields for condition
581 * @param array $params Array of several parameters
583 * @return boolean|object
586 public static function selectThread(array $selected = [], array $condition = [], $params = [])
591 if (isset($params['uid'])) {
592 $uid = $params['uid'];
596 $fields = self::fieldlist($usermode);
598 $fields['thread'] = ['mention', 'ignored', 'iid'];
600 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
601 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
602 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
603 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
605 $select_fields = self::constructSelectFields($fields, $selected);
607 $condition_string = DBA::buildCondition($condition);
609 $condition_string = self::addTablesToFields($condition_string, $threadfields);
610 $condition_string = self::addTablesToFields($condition_string, $fields);
613 $condition_string = $condition_string . ' AND ' . self::condition(true);
616 $param_string = DBA::buildParameter($params);
617 $param_string = self::addTablesToFields($param_string, $threadfields);
618 $param_string = self::addTablesToFields($param_string, $fields);
620 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
622 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
624 return DBA::p($sql, $condition);
628 * Returns a list of fields that are associated with the item table
631 * @return array field list
633 private static function fieldlist($usermode)
637 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
638 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid', 'causer-id',
639 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
640 'created', 'edited', 'commented', 'received', 'changed', 'psid',
641 'resource-id', 'event-id', 'post-type', 'file',
642 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
643 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
644 'id' => 'item_id', 'network', 'icid', 'event-id',
645 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
646 'network' => 'internal-network', 'psid' => 'internal-psid'];
649 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
652 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
654 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
656 $fields['verb'] = ['name' => 'internal-verb'];
658 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
660 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
661 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
663 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
664 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
666 $fields['causer'] = ['url' => 'causer-link', 'name' => 'causer-name', 'addr' => 'causer-addr',
667 'thumb' => 'causer-avatar', 'nick' => 'causer-nick', 'network' => 'causer-network',
668 'contact-type' => 'causer-contact-type'];
670 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
671 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
672 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
674 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
676 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
677 'network' => 'parent-author-network'];
679 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
680 'start' => 'event-start','finish' => 'event-finish',
681 'summary' => 'event-summary','desc' => 'event-desc',
682 'location' => 'event-location', 'type' => 'event-type',
683 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
684 'ignore' => 'event-ignore'];
686 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
692 * Returns SQL condition for the "select" functions
694 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
696 * @return string SQL condition
698 private static function condition($thread_mode)
701 $master_table = "`thread`";
703 $master_table = "`item`";
705 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
706 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
707 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
708 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
709 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
710 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
711 GRAVITY_PARENT, GRAVITY_PARENT);
715 * Returns all needed "JOIN" commands for the "select" functions
717 * @param integer $uid User ID
718 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
719 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
722 * @return string The SQL joins for the "select" functions
724 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
727 $master_table = "`thread`";
728 $master_table_key = "`thread`.`iid`";
729 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
731 $master_table = "`item`";
732 $master_table_key = "`item`.`id`";
737 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
738 AND NOT `contact`.`blocked`
739 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
740 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
741 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
742 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
743 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
744 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
745 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
746 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
748 if (strpos($sql_commands, "`contact`.") !== false) {
749 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
751 if (strpos($sql_commands, "`author`.") !== false) {
752 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
754 if (strpos($sql_commands, "`owner`.") !== false) {
755 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
758 if (strpos($sql_commands, "`causer`.") !== false) {
759 $joins .= " LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `item`.`causer-id`";
762 if (strpos($sql_commands, "`group_member`.") !== false) {
763 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
766 if (strpos($sql_commands, "`user`.") !== false) {
767 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
770 if (strpos($sql_commands, "`event`.") !== false) {
771 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
774 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
775 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
778 if (strpos($sql_commands, "`item-content`.") !== false) {
779 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
782 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
783 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
786 if (strpos($sql_commands, "`verb`.") !== false) {
787 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
790 if (strpos($sql_commands, "`permissionset`.") !== false) {
791 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
794 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
795 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
797 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
798 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
806 * Add the field list for the "select" functions
808 * @param array $fields The field definition array
809 * @param array $selected The array with the selected fields from the "select" functions
811 * @return string The field list
813 private static function constructSelectFields(array $fields, array $selected)
815 if (!empty($selected)) {
816 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
819 if (in_array('verb', $selected)) {
820 $selected = array_merge($selected, ['internal-verb']);
823 if (in_array('ignored', $selected)) {
824 $selected[] = 'internal-user-ignored';
827 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
830 foreach ($fields as $table => $table_fields) {
831 foreach ($table_fields as $field => $select) {
832 if (empty($selected) || in_array($select, $selected)) {
833 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
834 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
836 if (is_int($field)) {
837 $selection[] = "`" . $table . "`.`" . $select . "`";
839 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
844 return implode(", ", $selection);
848 * add table definition to fields in an SQL query
850 * @param string $query SQL query
851 * @param array $fields The field definition array
853 * @return string the changed SQL query
855 private static function addTablesToFields($query, $fields)
857 foreach ($fields as $table => $table_fields) {
858 foreach ($table_fields as $alias => $field) {
859 if (is_int($alias)) {
860 $replace_field = $field;
862 $replace_field = $alias;
865 $search = "/([^\.])`" . $field . "`/i";
866 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
867 $query = preg_replace($search, $replace, $query);
874 * Update existing item entries
876 * @param array $fields The fields that are to be changed
877 * @param array $condition The condition for finding the item entries
879 * In the future we may have to change permissions as well.
880 * Then we had to add the user id as third parameter.
882 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
884 * @return integer|boolean number of affected rows - or "false" if there was an error
885 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
887 public static function update(array $fields, array $condition)
889 if (empty($condition) || empty($fields)) {
893 $data_fields = $fields;
895 // To ensure the data integrity we do it in an transaction
898 // We cannot simply expand the condition to check for origin entries
899 // The condition needn't to be a simple array but could be a complex condition.
900 // And we have to execute this query before the update to ensure to fetch the same data.
901 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
903 $content_fields = [];
904 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
905 if (isset($fields[$field])) {
906 $content_fields[$field] = $fields[$field];
907 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
908 unset($fields[$field]);
910 $fields[$field] = null;
915 $delivery_data = Post\DeliveryData::extractFields($fields);
917 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
918 foreach ($clear_fields as $field) {
919 if (array_key_exists($field, $fields)) {
920 $fields[$field] = null;
924 if (array_key_exists('file', $fields)) {
925 $files = $fields['file'];
926 $fields['file'] = null;
931 if (!empty($content_fields['verb'])) {
932 $fields['vid'] = Verb::getID($content_fields['verb']);
935 if (!empty($fields)) {
936 $success = DBA::update('item', $fields, $condition);
945 // When there is no content for the "old" item table, this will count the fetched items
946 $rows = DBA::affectedRows();
950 while ($item = DBA::fetch($items)) {
951 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
953 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
954 if (!empty($content_fields['body'])) {
955 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
957 // Remove all media attachments from the body and store them in the post-media table
958 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
959 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
962 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
964 if (empty($item['icid'])) {
965 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
966 if (DBA::isResult($item_content)) {
967 $item_fields = ['icid' => $item_content['id']];
968 // Clear all fields in the item table that have a content in the item-content table
969 if (self::isLegacyMode()) {
970 foreach ($item_content as $field => $content) {
971 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
972 $item_fields[$field] = null;
976 DBA::update('item', $item_fields, ['id' => $item['id']]);
981 if (!is_null($files)) {
982 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
983 if (!empty($item['file'])) {
984 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
988 if (!empty($fields['attach'])) {
989 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
992 Post\DeliveryData::update($item['uri-id'], $delivery_data);
994 self::updateThread($item['id']);
996 // We only need to notfiy others when it is an original entry from us.
997 // Only call the notifier when the item has some content relevant change.
998 if ($item['origin'] && in_array('edited', array_keys($fields))) {
999 $notify_items[] = $item['id'];
1006 foreach ($notify_items as $notify_item) {
1007 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1014 * Delete an item and notify others about it - if it was ours
1016 * @param array $condition The condition for finding the item entries
1017 * @param integer $priority Priority for the notification
1018 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1020 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1022 $items = Post::select(['id'], $condition);
1023 while ($item = Post::fetch($items)) {
1024 self::markForDeletionById($item['id'], $priority);
1030 * Delete an item for an user and notify others about it - if it was ours
1032 * @param array $condition The condition for finding the item entries
1033 * @param integer $uid User who wants to delete this item
1034 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1036 public static function deleteForUser($condition, $uid)
1042 $items = Post::select(['id', 'uid', 'uri-id'], $condition);
1043 while ($item = Post::fetch($items)) {
1044 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
1046 // "Deleting" global items just means hiding them
1047 if ($item['uid'] == 0) {
1048 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1049 } elseif ($item['uid'] == $uid) {
1050 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1052 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1059 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1061 * @param integer $item_id
1062 * @param integer $priority Priority for the notification
1064 * @return boolean success
1065 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1067 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1069 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1070 // locate item to be deleted
1071 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1072 'deleted', 'file', 'resource-id', 'event-id',
1073 'verb', 'object-type', 'object', 'target', 'contact-id',
1074 'icid', 'psid', 'gravity'];
1075 $item = Post::selectFirst($fields, ['id' => $item_id]);
1076 if (!DBA::isResult($item)) {
1077 Logger::info('Item not found.', ['id' => $item_id]);
1081 if ($item['deleted']) {
1082 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1086 $parent = Post::selectFirst(['origin'], ['id' => $item['parent']]);
1087 if (!DBA::isResult($parent)) {
1088 $parent = ['origin' => false];
1091 // clean up categories and tags so they don't end up as orphans
1094 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1097 foreach ($matches as $mtch) {
1098 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1104 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1107 foreach ($matches as $mtch) {
1108 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1113 * If item is a link to a photo resource, nuke all the associated photos
1114 * (visitors will not have photo resources)
1115 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1116 * generate a resource-id and therefore aren't intimately linked to the item.
1118 /// @TODO: this should first check if photo is used elsewhere
1119 if (strlen($item['resource-id'])) {
1120 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1123 // If item is a link to an event, delete the event.
1124 if (intval($item['event-id'])) {
1125 Event::delete($item['event-id']);
1128 // If item has attachments, drop them
1129 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
1130 foreach($attachments as $attachment) {
1131 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
1132 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1136 // Set the item to "deleted"
1137 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1138 DBA::update('item', $item_fields, ['id' => $item['id']]);
1140 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1141 self::deleteThread($item['id'], $item['parent-uri']);
1143 if (!Post::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1144 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1147 Post\DeliveryData::delete($item['uri-id']);
1149 // When the permission set will be used in photo and events as well,
1150 // this query here needs to be extended.
1151 // @todo Currently deactivated. We need the permission set in the deletion process.
1152 // This is a reminder to add the removal somewhere else.
1153 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1154 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1157 // If it's the parent of a comment thread, kill all the kids
1158 if ($item['gravity'] == GRAVITY_PARENT) {
1159 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1162 // Is it our comment and/or our thread?
1163 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
1164 // When we delete the original post we will delete all existing copies on the server as well
1165 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1167 // send the notification upstream/downstream
1169 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1171 } elseif ($item['uid'] != 0) {
1172 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
1174 // When we delete just our local user copy of an item, we have to set a marker to hide it
1175 $global_item = Post::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1176 if (DBA::isResult($global_item)) {
1177 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1181 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1187 private static function guid($item, $notify)
1189 if (!empty($item['guid'])) {
1190 return Strings::escapeTags(trim($item['guid']));
1194 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1195 // We add the hash of our own host because our host is the original creator of the post.
1196 $prefix_host = DI::baseUrl()->getHostname();
1200 // We are only storing the post so we create a GUID from the original hostname.
1201 if (!empty($item['author-link'])) {
1202 $parsed = parse_url($item['author-link']);
1203 if (!empty($parsed['host'])) {
1204 $prefix_host = $parsed['host'];
1208 if (empty($prefix_host) && !empty($item['plink'])) {
1209 $parsed = parse_url($item['plink']);
1210 if (!empty($parsed['host'])) {
1211 $prefix_host = $parsed['host'];
1215 if (empty($prefix_host) && !empty($item['uri'])) {
1216 $parsed = parse_url($item['uri']);
1217 if (!empty($parsed['host'])) {
1218 $prefix_host = $parsed['host'];
1222 // Is it in the format data@host.tld? - Used for mail contacts
1223 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1224 $mailparts = explode('@', $item['author-link']);
1225 $prefix_host = array_pop($mailparts);
1229 if (!empty($item['plink'])) {
1230 $guid = self::guidFromUri($item['plink'], $prefix_host);
1231 } elseif (!empty($item['uri'])) {
1232 $guid = self::guidFromUri($item['uri'], $prefix_host);
1234 $guid = System::createUUID(hash('crc32', $prefix_host));
1240 private static function contactId($item)
1242 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1243 return $item['contact-id'];
1244 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1245 return $item['contact-id'];
1246 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1247 return $item['author-id'];
1248 } elseif (!empty($item['contact-id'])) {
1249 return $item['contact-id'];
1251 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1252 if (!empty($contact_id)) {
1256 return $item['author-id'];
1259 // This function will finally cover most of the preparation functionality in mod/item.php
1260 public static function prepare(&$item)
1263 * @TODO: Unused code triggering inspection errors
1265 $data = BBCode::getAttachmentData($item['body']);
1266 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1267 && ($posttype != self::PT_PERSONAL_NOTE)) {
1268 $posttype = self::PT_PAGE;
1269 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1275 * Write an item array into a spool file to be inserted later.
1276 * This command is called whenever there are issues storing an item.
1278 * @param array $item The item fields that are to be inserted
1279 * @throws \Exception
1281 private static function spool($orig_item)
1283 // Now we store the data in the spool directory
1284 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1285 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1287 $spoolpath = get_spoolpath();
1288 if ($spoolpath != "") {
1289 $spool = $spoolpath . '/' . $file;
1291 file_put_contents($spool, json_encode($orig_item));
1292 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1297 * Check if the item array is a duplicate
1299 * @param array $item
1300 * @return boolean is it a duplicate?
1302 private static function isDuplicate(array $item)
1304 // Checking if there is already an item with the same guid
1305 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1306 if (Post::exists($condition)) {
1307 Logger::notice('Found already existing item', [
1308 'guid' => $item['guid'],
1309 'uid' => $item['uid'],
1310 'network' => $item['network']
1315 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1316 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1317 if (Post::exists($condition)) {
1318 Logger::notice('duplicated item with the same uri found.', $item);
1322 // On Friendica and Diaspora the GUID is unique
1323 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1324 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1325 if (Post::exists($condition)) {
1326 Logger::notice('duplicated item with the same guid found.', $item);
1329 } elseif ($item['network'] == Protocol::OSTATUS) {
1330 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1331 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1332 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1333 if (Post::exists($condition)) {
1334 Logger::notice('duplicated item with the same body found.', $item);
1340 * Check for already added items.
1341 * There is a timing issue here that sometimes creates double postings.
1342 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1344 if (($item['uid'] == 0) && Post::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1345 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1353 * Check if the item array is valid
1355 * @param array $item
1356 * @return boolean item is valid
1358 public static function isValid(array $item)
1360 // When there is no content then we don't post it
1361 if ($item['body'] . $item['title'] == '') {
1362 Logger::notice('No body, no title.');
1366 if (!empty($item['uid'])) {
1367 $owner = User::getOwnerDataById($item['uid'], false);
1369 Logger::notice('Missing item user owner data', ['uid' => $item['uid']]);
1373 if ($owner['account_expired'] || $owner['account_removed']) {
1374 Logger::notice('Item user has been deleted/expired/removed', ['uid' => $item['uid'], 'deleted' => $owner['deleted'], 'account_expired' => $owner['account_expired'], 'account_removed' => $owner['account_removed']]);
1379 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1380 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1384 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1385 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1389 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1390 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1394 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1395 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1399 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
1403 if ($item['verb'] == Activity::FOLLOW) {
1404 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1405 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1406 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1410 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1411 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1412 if (Post::exists($condition)) {
1413 // It happens that we receive multiple follow requests by the same author - we only store one.
1414 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1423 * Check if the item array is too old
1425 * @param array $item
1426 * @return boolean item is too old
1428 public static function isTooOld(array $item)
1430 // check for create date and expire time
1431 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1433 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1434 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1435 $expire_interval = $user['expire'];
1438 if (($expire_interval > 0) && !empty($item['created'])) {
1439 $expire_date = time() - ($expire_interval * 86400);
1440 $created_date = strtotime($item['created']);
1441 if ($created_date < $expire_date) {
1442 Logger::notice('Item created before expiration interval.', [
1443 'created' => date('c', $created_date),
1444 'expired' => date('c', $expire_date),
1455 * Return the id of the given item array if it has been stored before
1457 * @param array $item
1458 * @return integer item id
1460 private static function getDuplicateID(array $item)
1462 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1463 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1464 trim($item['uri']), $item['uid'],
1465 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1466 $existing = Post::selectFirst(['id', 'network'], $condition);
1467 if (DBA::isResult($existing)) {
1468 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1469 if ($item['uid'] != 0) {
1470 Logger::notice('Item already existed for user', [
1471 'uri' => $item['uri'],
1472 'uid' => $item['uid'],
1473 'network' => $item['network'],
1474 'existing_id' => $existing["id"],
1475 'existing_network' => $existing["network"]
1479 return $existing["id"];
1486 * Fetch top-level parent data for the given item array
1488 * @param array $item
1489 * @return array item array with parent data
1490 * @throws \Exception
1492 private static function getTopLevelParent(array $item)
1494 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
1495 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1496 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1497 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
1498 $params = ['order' => ['id' => false]];
1499 $parent = Post::selectFirst($fields, $condition, $params);
1501 if (!DBA::isResult($parent)) {
1502 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
1506 if ($parent['uri'] == $parent['parent-uri']) {
1510 $condition = ['uri' => $parent['parent-uri'],
1511 'parent-uri' => $parent['parent-uri'],
1512 'uid' => $parent['uid']];
1513 $params = ['order' => ['id' => false]];
1514 $toplevel_parent = Post::selectFirst($fields, $condition, $params);
1515 if (!DBA::isResult($toplevel_parent)) {
1516 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
1520 return $toplevel_parent;
1524 * Get the gravity for the given item array
1526 * @param array $item
1527 * @return integer gravity
1529 private static function getGravity(array $item)
1531 $activity = DI::activity();
1533 if (isset($item['gravity'])) {
1534 return intval($item['gravity']);
1535 } elseif ($item['parent-uri'] === $item['uri']) {
1536 return GRAVITY_PARENT;
1537 } elseif ($activity->match($item['verb'], Activity::POST)) {
1538 return GRAVITY_COMMENT;
1539 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1540 return GRAVITY_ACTIVITY;
1541 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1542 return GRAVITY_ACTIVITY;
1544 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1545 return GRAVITY_UNKNOWN; // Should not happen
1548 public static function insert($item, $notify = false, $dontcache = false)
1550 $structure = self::getItemFields();
1554 $priority = PRIORITY_HIGH;
1556 // If it is a posting where users should get notifications, then define it as wall posting
1559 $item['origin'] = 1;
1560 $item['network'] = Protocol::DFRN;
1561 $item['protocol'] = Conversation::PARCEL_DIRECT;
1562 $item['direction'] = Conversation::PUSH;
1564 if (in_array($notify, PRIORITIES)) {
1565 $priority = $notify;
1568 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1571 $uid = intval($item['uid']);
1573 $item['guid'] = self::guid($item, $notify);
1574 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
1577 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1579 // Backward compatibility: parent-uri used to be the direct parent uri.
1580 // If it is provided without a thr-parent, it probably is the old behavior.
1581 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
1582 $item['parent-uri'] = $item['thr-parent'];
1584 // Store conversation data
1585 $item = Conversation::insert($item);
1588 * Do we already have this item?
1589 * We have to check several networks since Friendica posts could be repeated
1590 * via OStatus (maybe Diasporsa as well)
1592 $duplicate = self::getDuplicateID($item);
1597 // Additional duplicate checks
1598 /// @todo Check why the first duplication check returns the item number and the second a 0
1599 if (self::isDuplicate($item)) {
1603 $item['wall'] = intval($item['wall'] ?? 0);
1604 $item['extid'] = trim($item['extid'] ?? '');
1605 $item['author-name'] = trim($item['author-name'] ?? '');
1606 $item['author-link'] = trim($item['author-link'] ?? '');
1607 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1608 $item['owner-name'] = trim($item['owner-name'] ?? '');
1609 $item['owner-link'] = trim($item['owner-link'] ?? '');
1610 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1611 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1612 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1613 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1614 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1615 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1616 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1617 $item['location'] = trim($item['location'] ?? '');
1618 $item['coord'] = trim($item['coord'] ?? '');
1619 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1620 $item['deleted'] = 0;
1621 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1622 $item['verb'] = trim($item['verb'] ?? '');
1623 $item['object-type'] = trim($item['object-type'] ?? '');
1624 $item['object'] = trim($item['object'] ?? '');
1625 $item['target-type'] = trim($item['target-type'] ?? '');
1626 $item['target'] = trim($item['target'] ?? '');
1627 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1628 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1629 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1630 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1631 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1632 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1633 $item['body'] = trim($item['body'] ?? '');
1634 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
1635 $item['app'] = trim($item['app'] ?? '');
1636 $item['origin'] = intval($item['origin'] ?? 0);
1637 $item['postopts'] = trim($item['postopts'] ?? '');
1638 $item['resource-id'] = trim($item['resource-id'] ?? '');
1639 $item['event-id'] = intval($item['event-id'] ?? 0);
1640 $item['inform'] = trim($item['inform'] ?? '');
1641 $item['file'] = trim($item['file'] ?? '');
1643 // Items cannot be stored before they happen ...
1644 if ($item['created'] > DateTimeFormat::utcNow()) {
1645 $item['created'] = DateTimeFormat::utcNow();
1648 // We haven't invented time travel by now.
1649 if ($item['edited'] > DateTimeFormat::utcNow()) {
1650 $item['edited'] = DateTimeFormat::utcNow();
1653 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1655 $item['gravity'] = self::getGravity($item);
1657 $item['language'] = self::getLanguage($item);
1659 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1660 'photo' => $item['author-avatar'], 'network' => $item['network']];
1661 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1663 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1664 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1665 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1667 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1668 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1669 $item['post-type'] = self::PT_FOLLOWER;
1672 // Ensure that there is an avatar cache
1673 Contact::checkAvatarCache($item['author-id']);
1674 Contact::checkAvatarCache($item['owner-id']);
1676 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1677 $item["contact-id"] = self::contactId($item);
1679 if (!empty($item['direction']) && in_array($item['direction'], [Conversation::PUSH, Conversation::RELAY]) &&
1680 self::isTooOld($item)) {
1681 Logger::info('Item is too old', ['item' => $item]);
1685 if (!self::isValid($item)) {
1689 if ($item['gravity'] !== GRAVITY_PARENT) {
1690 $toplevel_parent = self::getTopLevelParent($item);
1691 if (empty($toplevel_parent)) {
1695 // If the thread originated from this node, we check the permission against the thread starter
1696 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
1697 $localTopLevelParent = Post::selectFirst(['uid'], $condition);
1698 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
1702 $parent_id = $toplevel_parent['id'];
1703 $item['parent-uri'] = $toplevel_parent['uri'];
1704 $item['deleted'] = $toplevel_parent['deleted'];
1705 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1706 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1707 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1708 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1709 $parent_origin = $toplevel_parent['origin'];
1711 // Don't federate received participation messages
1712 if ($item['verb'] != Activity::FOLLOW) {
1713 $item['wall'] = $toplevel_parent['wall'];
1715 $item['wall'] = false;
1719 * If the parent is private, force privacy for the entire conversation
1720 * This differs from the above settings as it subtly allows comments from
1721 * email correspondents to be private even if the overall thread is not.
1723 if ($toplevel_parent['private']) {
1724 $item['private'] = $toplevel_parent['private'];
1728 * Edge case. We host a public forum that was originally posted to privately.
1729 * The original author commented, but as this is a comment, the permissions
1730 * weren't fixed up so it will still show the comment as private unless we fix it here.
1732 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1733 $item['private'] = self::PUBLIC;
1736 // If its a post that originated here then tag the thread as "mention"
1737 if ($item['origin'] && $item['uid']) {
1738 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1739 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1742 // Update the contact relations
1743 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1745 unset($item['parent_origin']);
1748 $parent_origin = $item['origin'];
1751 // We don't store the causer link, only the id
1752 unset($item['causer-link']);
1754 // We don't store these fields anymore in the item table
1755 unset($item['author-link']);
1756 unset($item['author-name']);
1757 unset($item['author-avatar']);
1758 unset($item['author-network']);
1760 unset($item['owner-link']);
1761 unset($item['owner-name']);
1762 unset($item['owner-avatar']);
1764 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1765 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1767 // Is this item available in the global items (with uid=0)?
1768 if ($item["uid"] == 0) {
1769 $item["global"] = true;
1771 // Set the global flag on all items if this was a global item entry
1772 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1774 $item["global"] = Post::exists(['uid' => 0, 'uri' => $item["uri"]]);
1778 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1779 $item["private"] = self::PRIVATE;
1783 $item['edit'] = false;
1784 $item['parent'] = $parent_id;
1785 Hook::callAll('post_local', $item);
1786 unset($item['edit']);
1788 Hook::callAll('post_remote', $item);
1791 // Set after the insert because top-level posts are self-referencing
1792 unset($item['parent']);
1794 if (!empty($item['cancel'])) {
1795 Logger::log('post cancelled by addon.');
1799 if (empty($item['vid']) && !empty($item['verb'])) {
1800 $item['vid'] = Verb::getID($item['verb']);
1803 // Creates or assigns the permission set
1804 $item['psid'] = PermissionSet::getIdFromACL(
1812 unset($item['allow_cid']);
1813 unset($item['allow_gid']);
1814 unset($item['deny_cid']);
1815 unset($item['deny_gid']);
1817 // This array field is used to trigger some automatic reactions
1818 // It is mainly used in the "post_local" hook.
1819 unset($item['api_source']);
1821 if ($item['verb'] == Activity::ANNOUNCE) {
1822 self::setOwnerforResharedItem($item);
1825 // Remove all media attachments from the body and store them in the post-media table
1826 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1827 $item['raw-body'] = self::setHashtags($item['raw-body']);
1829 // Check for hashtags in the body and repair or add hashtag links
1830 $item['body'] = self::setHashtags($item['body']);
1832 if (!empty($item['attach'])) {
1833 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1836 // Fill the cache field
1837 self::putInCache($item);
1839 if (stristr($item['verb'], Activity::POKE)) {
1840 $notify_type = Delivery::POKE;
1842 $notify_type = Delivery::POST;
1845 if (!in_array($item['verb'], self::ACTIVITIES)) {
1846 $item['icid'] = self::insertContent($item);
1847 if (empty($item['icid'])) {
1848 // This shouldn't happen
1849 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']]);
1854 $body = $item['body'];
1855 $verb = $item['verb'];
1857 // We just remove everything that is content
1858 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1859 unset($item[$field]);
1862 unset($item['activity']);
1864 // Filling item related side tables
1866 // Diaspora signature
1867 if (!empty($item['diaspora_signed_text'])) {
1868 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1871 unset($item['diaspora_signed_text']);
1873 // Attached file links
1874 if (!empty($item['file'])) {
1875 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1878 unset($item['file']);
1880 // Delivery relevant data
1881 $delivery_data = Post\DeliveryData::extractFields($item);
1882 unset($item['postopts']);
1883 unset($item['inform']);
1885 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1886 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1889 // Store tags from the body if this hadn't been handled previously in the protocol classes
1890 if (!Tag::existsForPost($item['uri-id'])) {
1891 Tag::storeFromBody($item['uri-id'], $body);
1894 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1895 // Remove all fields that aren't part of the item table
1896 foreach ($item as $field => $value) {
1897 if (!in_array($field, $structure['item'])) {
1898 unset($item[$field]);
1902 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1903 if (DBA::exists('item', $condition)) {
1904 Logger::notice('Item is already inserted - aborting', $condition);
1908 $result = DBA::insert('item', $item);
1910 // When the item was successfully stored we fetch the ID of the item.
1911 $current_post = DBA::lastInsertId();
1913 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1917 if (empty($current_post) || !DBA::isResult($result)) {
1918 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1919 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1920 self::spool($orig_item);
1924 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1926 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1927 $parent_id = $current_post;
1931 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1933 $item['id'] = $current_post;
1934 $item['parent'] = $parent_id;
1936 // update the commented timestamp on the parent
1937 if (DI::config()->get('system', 'like_no_comment')) {
1938 // Update when it is a comment
1939 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1941 // Update when it isn't a follow or tag verb
1942 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1945 if ($update_commented) {
1946 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1948 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1951 if ($item['gravity'] === GRAVITY_PARENT) {
1952 self::addThread($current_post);
1954 self::updateThread($parent_id);
1957 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1958 if (self::tagDeliver($item['uid'], $current_post)) {
1959 // Get the user information for the logging
1960 $user = User::getById($uid);
1962 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1967 $posted_item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1968 if (DBA::isResult($posted_item)) {
1970 Hook::callAll('post_local_end', $posted_item);
1972 Hook::callAll('post_remote_end', $posted_item);
1975 Logger::log('new item not found in DB, id ' . $current_post);
1979 if ($item['gravity'] === GRAVITY_PARENT) {
1980 self::addShadow($current_post);
1982 self::addShadowPost($current_post);
1985 self::updateContact($item);
1987 UserItem::setNotification($current_post);
1989 check_user_notification($current_post);
1991 // Distribute items to users who subscribed to their tags
1992 self::distributeByTags($item);
1994 // Automatically reshare the item if the "remote_self" option is selected
1995 self::autoReshare($item);
1997 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
2000 $transmit_item = Post::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
2001 // Don't relay participation messages
2002 if (($transmit_item['verb'] == Activity::FOLLOW) &&
2003 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
2004 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2010 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2013 return $current_post;
2017 * Change the owner of a parent item if it had been shared by a forum
2019 * (public) forum posts in the new format consist of the regular post by the author
2020 * followed by an announce message sent from the forum account.
2021 * Changing the owner helps in grouping forum posts.
2023 * @param array $item
2026 private static function setOwnerforResharedItem(array $item)
2028 $parent = Post::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
2029 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2030 if (!DBA::isResult($parent)) {
2031 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2035 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2036 if (!DBA::isResult($author)) {
2037 Logger::error('Author not found', ['id' => $item['author-id']]);
2041 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2042 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2043 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2047 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2048 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
2049 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2053 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
2054 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2057 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
2058 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2062 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2063 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]);
2067 * Distribute the given item to users who subscribed to their tags
2069 * @param array $item Processed item
2071 private static function distributeByTags(array $item)
2073 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2077 $uids = Tag::getUIDListByURIId($item['uri-id']);
2078 foreach ($uids as $uid) {
2079 if (Contact::isSharing($item['author-id'], $uid)) {
2082 $fields = ['post-type' => self::PT_TAG];
2085 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2086 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2091 * Insert a new item content entry
2093 * @param array $item The item fields that are to be inserted
2094 * @throws \Exception
2096 private static function insertContent(array $item)
2098 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2100 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2101 if (isset($item[$field])) {
2102 $fields[$field] = $item[$field];
2106 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2107 if (DBA::isResult($item_content)) {
2108 $icid = $item_content['id'];
2109 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
2113 DBA::replace('item-content', $fields);
2115 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2116 if (DBA::isResult($item_content)) {
2117 $icid = $item_content['id'];
2118 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2122 // This shouldn't happen.
2123 Logger::error("Content wasn't inserted", $item);
2128 * Update existing item content entries
2130 * @param array $item The item fields that are to be changed
2131 * @param array $condition The condition for finding the item content entries
2132 * @throws \Exception
2134 private static function updateContent($item, $condition)
2136 // We have to select only the fields from the "item-content" table
2138 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2139 if (isset($item[$field])) {
2140 $fields[$field] = $item[$field];
2144 if (empty($fields)) {
2148 DBA::update('item-content', $fields, $condition, true);
2149 Logger::info('Updated content', ['condition' => $condition]);
2153 * Distributes public items to the receivers
2155 * @param integer $itemid Item ID that should be added
2156 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2157 * @throws \Exception
2159 public static function distribute($itemid, $signed_text = '')
2161 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2162 $parent = Post::selectFirst(['owner-id'], $condition);
2163 if (!DBA::isResult($parent)) {
2167 // Only distribute public items from native networks
2168 $condition = ['id' => $itemid, 'uid' => 0,
2169 'network' => array_merge(Protocol::FEDERATED ,['']),
2170 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2171 $item = Post::selectFirst(self::ITEM_FIELDLIST, $condition);
2172 if (!DBA::isResult($item)) {
2176 $origin = $item['origin'];
2180 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2181 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2182 if (!DBA::isResult($owner)) {
2186 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2187 $contacts = DBA::select('contact', ['uid'], $condition);
2188 while ($contact = DBA::fetch($contacts)) {
2189 if ($contact['uid'] == 0) {
2193 $users[$contact['uid']] = $contact['uid'];
2195 DBA::close($contacts);
2197 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2198 $contacts = DBA::select('contact', ['uid'], $condition);
2199 while ($contact = DBA::fetch($contacts)) {
2200 if ($contact['uid'] == 0) {
2204 $users[$contact['uid']] = $contact['uid'];
2206 DBA::close($contacts);
2208 if (!empty($owner['alias'])) {
2209 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2210 $contacts = DBA::select('contact', ['uid'], $condition);
2211 while ($contact = DBA::fetch($contacts)) {
2212 if ($contact['uid'] == 0) {
2216 $users[$contact['uid']] = $contact['uid'];
2218 DBA::close($contacts);
2223 if ($item['uri'] != $item['parent-uri']) {
2224 $parents = Post::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2225 while ($parent = Post::fetch($parents)) {
2226 $users[$parent['uid']] = $parent['uid'];
2227 if ($parent['origin'] && !$origin) {
2228 $origin_uid = $parent['uid'];
2231 DBA::close($parents);
2234 foreach ($users as $uid) {
2235 if ($origin_uid == $uid) {
2236 $item['diaspora_signed_text'] = $signed_text;
2238 self::storeForUser($item, $uid);
2243 * Store a public item defined by their URI-ID for the given users
2245 * @param integer $uri_id URI-ID of the given item
2246 * @param integer $uid The user that will receive the item entry
2247 * @param array $fields Additional fields to be stored
2248 * @return integer stored item id
2250 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2252 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2253 if (!DBA::isResult($item)) {
2257 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2258 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']]);
2262 $item['post-type'] = self::PT_STORED;
2264 $item = array_merge($item, $fields);
2266 $stored = self::storeForUser($item, $uid);
2267 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2272 * Store a public item array for the given users
2274 * @param array $item The item entry that will be stored
2275 * @param integer $uid The user that will receive the item entry
2276 * @return integer stored item id
2277 * @throws \Exception
2279 private static function storeForUser(array $item, int $uid)
2281 if (Post::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2282 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2287 unset($item['parent']);
2288 unset($item['mention']);
2289 unset($item['starred']);
2290 unset($item['unseen']);
2291 unset($item['psid']);
2293 $item['uid'] = $uid;
2294 $item['origin'] = 0;
2297 if ($item['gravity'] == GRAVITY_PARENT) {
2298 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2300 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2303 if (!empty($contact['id'])) {
2304 $item['contact-id'] = $contact['id'];
2306 // Shouldn't happen at all
2307 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2308 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2309 if (!DBA::isResult($self)) {
2310 // Shouldn't happen even less
2311 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2314 $item['contact-id'] = $self['id'];
2317 /// @todo Handling of "event-id"
2320 if ($item['gravity'] == GRAVITY_PARENT) {
2321 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2322 if (DBA::isResult($contact)) {
2323 $notify = self::isRemoteSelf($contact, $item);
2327 $distributed = self::insert($item, $notify, true);
2329 if (!$distributed) {
2330 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2332 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2334 return $distributed;
2338 * Add a shadow entry for a given item id that is a thread starter
2340 * We store every public item entry additionally with the user id "0".
2341 * This is used for the community page and for the search.
2342 * It is planned that in the future we will store public item entries only once.
2344 * @param integer $itemid Item ID that should be added
2345 * @throws \Exception
2347 private static function addShadow($itemid)
2349 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2350 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2351 $item = Post::selectFirst($fields, $condition);
2353 if (!DBA::isResult($item)) {
2357 // is it already a copy?
2358 if (($itemid == 0) || ($item['uid'] == 0)) {
2362 // Is it a visible public post?
2363 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == self::PRIVATE)) {
2367 // is it an entry from a connector? Only add an entry for natively connected networks
2368 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2372 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
2376 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2378 if (DBA::isResult($item)) {
2379 // Preparing public shadow (removing user specific data)
2382 unset($item['parent']);
2383 unset($item['wall']);
2384 unset($item['mention']);
2385 unset($item['origin']);
2386 unset($item['starred']);
2387 unset($item['postopts']);
2388 unset($item['inform']);
2389 unset($item['post-type']);
2390 if ($item['uri'] == $item['parent-uri']) {
2391 $item['contact-id'] = $item['owner-id'];
2393 $item['contact-id'] = $item['author-id'];
2396 $public_shadow = self::insert($item, false, true);
2398 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2403 * Add a shadow entry for a given item id that is a comment
2405 * This function does the same like the function above - but for comments
2407 * @param integer $itemid Item ID that should be added
2408 * @throws \Exception
2410 private static function addShadowPost($itemid)
2412 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2413 if (!DBA::isResult($item)) {
2417 // Is it a toplevel post?
2418 if ($item['gravity'] == GRAVITY_PARENT) {
2419 self::addShadow($itemid);
2423 // Is this a shadow entry?
2424 if ($item['uid'] == 0) {
2428 // Is there a shadow parent?
2429 if (!Post::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2433 // Is there already a shadow entry?
2434 if (Post::exists(['uri' => $item['uri'], 'uid' => 0])) {
2438 // Save "origin" and "parent" state
2439 $origin = $item['origin'];
2440 $parent = $item['parent'];
2442 // Preparing public shadow (removing user specific data)
2445 unset($item['parent']);
2446 unset($item['wall']);
2447 unset($item['mention']);
2448 unset($item['origin']);
2449 unset($item['starred']);
2450 unset($item['postopts']);
2451 unset($item['inform']);
2452 unset($item['post-type']);
2453 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2455 $public_shadow = self::insert($item, false, true);
2457 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2459 // If this was a comment to a Diaspora post we don't get our comment back.
2460 // This means that we have to distribute the comment by ourselves.
2461 if ($origin && Post::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2462 self::distribute($public_shadow);
2467 * Adds a language specification in a "language" element of given $arr.
2468 * Expects "body" element to exist in $arr.
2470 * @param array $item
2471 * @return string detected language
2472 * @throws \Text_LanguageDetect_Exception
2474 private static function getLanguage(array $item)
2476 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
2480 // Convert attachments to links
2481 $naked_body = BBCode::removeAttachment($item['body']);
2482 if (empty($naked_body)) {
2486 // Remove links and pictures
2487 $naked_body = BBCode::removeLinks($naked_body);
2489 // Convert the title and the body to plain text
2490 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
2492 // Remove possibly remaining links
2493 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2495 if (empty($naked_body)) {
2499 $ld = new Language(DI::l10n()->getAvailableLanguages());
2500 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2501 if (is_array($languages)) {
2502 return json_encode($languages);
2508 public static function getLanguageMessage(array $item)
2510 $iso639 = new \Matriphe\ISO639\ISO639;
2512 $used_languages = '';
2513 foreach (json_decode($item['language'], true) as $language => $reliability) {
2514 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2516 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2517 return $used_languages;
2521 * Creates an unique guid out of a given uri
2523 * @param string $uri uri of an item entry
2524 * @param string $host hostname for the GUID prefix
2525 * @return string unique guid
2527 public static function guidFromUri($uri, $host)
2529 // Our regular guid routine is using this kind of prefix as well
2530 // We have to avoid that different routines could accidentally create the same value
2531 $parsed = parse_url($uri);
2533 // We use a hash of the hostname as prefix for the guid
2534 $guid_prefix = hash("crc32", $host);
2536 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2537 unset($parsed["scheme"]);
2539 // Glue it together to be able to make a hash from it
2540 $host_id = implode("/", $parsed);
2542 // We could use any hash algorithm since it isn't a security issue
2543 $host_hash = hash("ripemd128", $host_id);
2545 return $guid_prefix.$host_hash;
2549 * generate an unique URI
2551 * @param integer $uid User id
2552 * @param string $guid An existing GUID (Otherwise it will be generated)
2555 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2557 public static function newURI($uid, $guid = "")
2560 $guid = System::createUUID();
2563 return DI::baseUrl()->get() . '/objects/' . $guid;
2567 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2569 * This can be used to filter for inactive contacts.
2570 * Only do this for public postings to avoid privacy problems, since poco data is public.
2571 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2573 * @param array $arr Contains the just posted item record
2574 * @throws \Exception
2576 private static function updateContact($arr)
2578 // Unarchive the author
2579 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2580 if (DBA::isResult($contact)) {
2581 Contact::unmarkForArchival($contact);
2584 // Unarchive the contact if it's not our own contact
2585 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2586 if (DBA::isResult($contact)) {
2587 Contact::unmarkForArchival($contact);
2590 /// @todo On private posts we could obfuscate the date
2591 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2593 // Is it a forum? Then we don't care about the rules from above
2594 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2595 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2601 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2602 // So we have to ensure to only update the last item when it had been our own post,
2603 // or it had been done by a "regular" contact.
2604 if (!empty($arr['wall'])) {
2605 $condition = ['id' => $arr['contact-id']];
2607 $condition = ['id' => $arr['contact-id'], 'self' => false];
2609 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2611 // Now do the same for the system wide contacts with uid=0
2612 if ($arr['private'] != self::PRIVATE) {
2613 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2614 ['id' => $arr['owner-id']]);
2616 if ($arr['owner-id'] != $arr['author-id']) {
2617 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2618 ['id' => $arr['author-id']]);
2623 public static function setHashtags($body)
2625 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2626 $tags = BBCode::getTags($body);
2629 if (!count($tags)) {
2633 // This sorting is important when there are hashtags that are part of other hashtags
2634 // Otherwise there could be problems with hashtags like #test and #test2
2635 // Because of this we are sorting from the longest to the shortest tag.
2636 usort($tags, function ($a, $b) {
2637 return strlen($b) <=> strlen($a);
2640 $URLSearchString = "^\[\]";
2642 // All hashtags should point to the home server if "local_tags" is activated
2643 if (DI::config()->get('system', 'local_tags')) {
2644 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2645 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2648 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2649 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2651 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2654 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2656 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2659 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2661 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2664 // Repair recursive urls
2665 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2668 foreach ($tags as $tag) {
2669 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2673 $basetag = str_replace('_', ' ', substr($tag, 1));
2674 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2676 $body = str_replace($tag, $newtag, $body);
2679 // Convert back the masked hashtags
2680 $body = str_replace("#", "#", $body);
2689 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2692 * @param int $item_id
2693 * @return boolean true if item was deleted, else false
2694 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2695 * @throws \ImagickException
2697 private static function tagDeliver($uid, $item_id)
2701 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2702 if (!DBA::isResult($user)) {
2706 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2707 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2709 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2710 if (!DBA::isResult($item)) {
2714 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2717 * Diaspora uses their own hardwired link URL in @-tags
2718 * instead of the one we supply with webfinger
2720 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2722 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2724 foreach ($matches as $mtch) {
2725 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2727 Logger::log('mention found: ' . $mtch[2]);
2733 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2734 foreach ($tags as $tag) {
2735 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2737 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2743 if (($community_page || $prvgroup) &&
2744 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2745 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2746 DBA::delete('item', ['id' => $item_id]);
2752 $arr = ['item' => $item, 'user' => $user];
2754 Hook::callAll('tagged', $arr);
2756 if (!$community_page && !$prvgroup) {
2761 * tgroup delivery - setup a second delivery chain
2762 * prevent delivery looping - only proceed
2763 * if the message originated elsewhere and is a top-level post
2765 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2769 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2770 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2771 if (!DBA::isResult($self)) {
2775 $owner_id = Contact::getIdForURL($self['url']);
2777 // also reset all the privacy bits to the forum default permissions
2779 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2781 $psid = PermissionSet::getIdFromACL(
2789 $forum_mode = ($prvgroup ? 2 : 1);
2791 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2792 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2793 self::update($fields, ['id' => $item_id]);
2795 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2797 self::performActivity($item_id, 'announce', $uid);
2803 * Automatically reshare the item if the "remote_self" option is selected
2805 * @param array $item
2808 private static function autoReshare(array $item)
2810 if ($item['gravity'] != GRAVITY_PARENT) {
2814 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2818 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2822 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2824 self::performActivity($item['id'], 'announce', $item['uid']);
2827 public static function isRemoteSelf($contact, &$datarray)
2829 if (!$contact['remote_self']) {
2833 // Prevent the forwarding of posts that are forwarded
2834 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2835 Logger::info('Already forwarded');
2839 // Prevent to forward already forwarded posts
2840 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2841 Logger::info('Already forwarded (second test)');
2845 // Only forward posts
2846 if ($datarray["verb"] != Activity::POST) {
2847 Logger::info('No post');
2851 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2852 Logger::info('Not public');
2856 $datarray2 = $datarray;
2857 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2858 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2859 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2860 ['uid' => $contact['uid'], 'self' => true]);
2861 if (DBA::isResult($self)) {
2862 $datarray['contact-id'] = $self["id"];
2864 $datarray['owner-name'] = $self["name"];
2865 $datarray['owner-link'] = $self["url"];
2866 $datarray['owner-avatar'] = $self["thumb"];
2868 $datarray['author-name'] = $datarray['owner-name'];
2869 $datarray['author-link'] = $datarray['owner-link'];
2870 $datarray['author-avatar'] = $datarray['owner-avatar'];
2872 unset($datarray['edited']);
2874 unset($datarray['network']);
2875 unset($datarray['owner-id']);
2876 unset($datarray['author-id']);
2879 if ($contact['network'] != Protocol::FEED) {
2880 $old_uri_id = $datarray["uri-id"] ?? 0;
2881 $datarray["guid"] = System::createUUID();
2882 unset($datarray["plink"]);
2883 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2884 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2885 $datarray["extid"] = Protocol::DFRN;
2886 $urlpart = parse_url($datarray2['author-link']);
2887 $datarray["app"] = $urlpart["host"];
2888 if (!empty($old_uri_id)) {
2889 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2892 unset($datarray["parent-uri"]);
2893 unset($datarray["thr-parent"]);
2895 $datarray['private'] = self::PUBLIC;
2899 if ($contact['network'] != Protocol::FEED) {
2900 // Store the original post
2901 $result = self::insert($datarray2);
2902 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2904 $datarray["app"] = "Feed";
2908 // Trigger automatic reactions for addons
2909 $datarray['api_source'] = true;
2911 // We have to tell the hooks who we are - this really should be improved
2912 $_SESSION['authenticated'] = true;
2913 $_SESSION['uid'] = $contact['uid'];
2915 return (bool)$result;
2922 * @param array $item
2925 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2926 * @throws \ImagickException
2928 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2930 if (DI::config()->get('system', 'disable_embedded')) {
2934 Logger::info('check for photos');
2935 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2940 $img_start = strpos($orig_body, '[img');
2941 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2942 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2944 while (($img_st_close !== false) && ($img_len !== false)) {
2945 $img_st_close++; // make it point to AFTER the closing bracket
2946 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2948 Logger::info('found photo', ['image' => $image]);
2950 if (stristr($image, $site . '/photo/')) {
2951 // Only embed locally hosted photos
2953 $i = basename($image);
2954 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2955 $x = strpos($i, '-');
2958 $res = substr($i, $x + 1);
2959 $i = substr($i, 0, $x);
2960 $photo = Photo::getPhotoForUser($uid, $i, $res);
2961 if (DBA::isResult($photo)) {
2963 * Check to see if we should replace this photo link with an embedded image
2964 * 1. No need to do so if the photo is public
2965 * 2. If there's a contact-id provided, see if they're in the access list
2966 * for the photo. If so, embed it.
2967 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2968 * permissions, regardless of order but first check to see if they're an exact
2969 * match to save some processing overhead.
2971 if (self::hasPermissions($photo)) {
2973 $recips = self::enumeratePermissions($photo);
2974 if (in_array($cid, $recips)) {
2978 if (self::samePermissions($uid, $item, $photo)) {
2984 $photo_img = Photo::getImageForPhoto($photo);
2985 // If a custom width and height were specified, apply before embedding
2986 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2987 Logger::info('scaling photo');
2989 $width = intval($match[1]);
2990 $height = intval($match[2]);
2992 $photo_img->scaleDown(max($width, $height));
2995 $data = $photo_img->asString();
2996 $type = $photo_img->getType();
2998 Logger::info('replacing photo');
2999 $image = 'data:' . $type . ';base64,' . base64_encode($data);
3000 Logger::debug('replaced', ['image' => $image]);
3006 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
3007 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
3008 if ($orig_body === false) {
3012 $img_start = strpos($orig_body, '[img');
3013 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
3014 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
3017 $new_body = $new_body . $orig_body;
3022 private static function hasPermissions($obj)
3024 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
3025 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
3028 private static function samePermissions($uid, $obj1, $obj2)
3030 // first part is easy. Check that these are exactly the same.
3031 if (($obj1['allow_cid'] == $obj2['allow_cid'])
3032 && ($obj1['allow_gid'] == $obj2['allow_gid'])
3033 && ($obj1['deny_cid'] == $obj2['deny_cid'])
3034 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
3038 // This is harder. Parse all the permissions and compare the resulting set.
3039 $recipients1 = self::enumeratePermissions($obj1);
3040 $recipients2 = self::enumeratePermissions($obj2);
3044 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
3045 return ($recipients1 == $recipients2);
3049 * Returns an array of contact-ids that are allowed to see this object
3051 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3052 * @param bool $check_dead Prunes unavailable contacts from the result
3054 * @throws \Exception
3056 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3058 $aclFormater = DI::aclFormatter();
3060 $allow_people = $aclFormater->expand($obj['allow_cid']);
3061 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3062 $deny_people = $aclFormater->expand($obj['deny_cid']);
3063 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3064 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3065 $deny = array_unique(array_merge($deny_people, $deny_groups));
3066 $recipients = array_diff($recipients, $deny);
3070 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
3072 if (!$uid || ($days < 1)) {
3076 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
3077 $uid, GRAVITY_PARENT];
3080 * $expire_network_only = save your own wall posts
3081 * and just expire conversations started by others
3083 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3085 if ($expire_network_only) {
3086 $condition[0] .= " AND NOT `wall`";
3089 if ($network != "") {
3090 $condition[0] .= " AND `network` = ?";
3091 $condition[] = $network;
3094 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3095 $condition[] = $days;
3097 $items = Post::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3099 if (!DBA::isResult($items)) {
3103 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3105 // Forcing expiring of items - but not notes and marked items
3107 $expire_items = true;
3110 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3111 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3112 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3116 $priority = DI::config()->get('system', 'expire-notify-priority');
3118 while ($item = Post::fetch($items)) {
3119 // don't expire filed items
3121 if (strpos($item['file'], '[') !== false) {
3125 // Only expire posts, not photos and photo comments
3127 if (!$expire_photos && strlen($item['resource-id'])) {
3129 } elseif (!$expire_starred && intval($item['starred'])) {
3131 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == self::PT_PERSONAL_NOTE))) {
3133 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != self::PT_PERSONAL_NOTE)) {
3137 self::markForDeletionById($item['id'], $priority);
3142 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3145 public static function firstPostDate($uid, $wall = false)
3147 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3148 $params = ['order' => ['received' => false]];
3149 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3150 if (DBA::isResult($thread)) {
3151 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3157 * add/remove activity to an item
3159 * Toggle activities as like,dislike,attend of an item
3161 * @param int $item_id
3162 * @param string $verb
3163 * Activity verb. One of
3164 * like, unlike, dislike, undislike, attendyes, unattendyes,
3165 * attendno, unattendno, attendmaybe, unattendmaybe,
3166 * announce, unannouce
3168 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3169 * @throws \ImagickException
3170 * @hook 'post_local_end'
3172 * 'post_id' => ID of posted item
3174 public static function performActivity(int $item_id, string $verb, int $uid)
3180 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3182 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3183 if (!DBA::isResult($item)) {
3184 Logger::log('like: unknown item ' . $item_id);
3188 $item_uri = $item['uri'];
3190 if (!in_array($item['uid'], [0, $uid])) {
3194 if (!Post::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3195 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3196 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3197 $item = Post::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3198 if (!DBA::isResult($item)) {
3199 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3205 // Retrieves the local post owner
3206 $owner = User::getOwnerDataById($uid);
3207 if (empty($owner)) {
3208 Logger::info('Empty owner for user', ['uid' => $uid]);
3212 // Retrieve the current logged in user's public contact
3213 $author_id = Contact::getIdForURL($owner['url']);
3214 if (empty($author_id)) {
3215 Logger::info('Empty public contact');
3223 $activity = Activity::LIKE;
3227 $activity = Activity::DISLIKE;
3231 $activity = Activity::ATTEND;
3235 $activity = Activity::ATTENDNO;
3238 case 'unattendmaybe':
3239 $activity = Activity::ATTENDMAYBE;
3243 $activity = Activity::FOLLOW;
3247 $activity = Activity::ANNOUNCE;
3250 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3254 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3256 // Enable activity toggling instead of on/off
3257 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3259 // Look for an existing verb row
3260 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3261 if ($event_verb_flag) {
3262 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3264 // Translate to the index based activity index
3266 foreach ($verbs as $verb) {
3267 $vids[] = Verb::getID($verb);
3270 $vids = Verb::getID($activity);
3273 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3274 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3275 $like_item = Post::selectFirst(['id', 'guid', 'verb'], $condition);
3277 if (DBA::isResult($like_item)) {
3279 * Truth table for existing activities
3281 * | Inputs || Outputs |
3282 * |----------------------------||-------------------|
3283 * | Mode | Event | Same verb || Delete? | Return? |
3284 * |--------|-------|-----------||---------|---------|
3285 * | create | Yes | Yes || No | Yes |
3286 * | create | Yes | No || Yes | No |
3287 * | create | No | Yes || No | Yes |
3288 * | create | No | No || N/A†|
3289 * | delete | Yes | Yes || Yes | N/A‡ |
3290 * | delete | Yes | No || No | N/A‡ |
3291 * | delete | No | Yes || Yes | N/A‡ |
3292 * | delete | No | No || N/A†|
3293 * |--------|-------|-----------||---------|---------|
3294 * | A | B | C || A xor C | !B or C |
3296 * †Can't happen: It's impossible to find an existing non-event activity without
3297 * the same verb because we are only looking for this single verb.
3299 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3301 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3302 self::markForDeletionById($like_item['id']);
3305 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3310 // No need to go further if we aren't creating anything
3311 if ($mode == 'delete') {
3315 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3318 'guid' => System::createUUID(),
3319 'uri' => self::newURI($item['uid']),
3320 'uid' => $item['uid'],
3321 'contact-id' => $owner['id'],
3322 'wall' => $item['wall'],
3324 'network' => Protocol::DFRN,
3325 'protocol' => Conversation::PARCEL_DIRECT,
3326 'direction' => Conversation::PUSH,
3327 'gravity' => GRAVITY_ACTIVITY,
3328 'parent' => $item['id'],
3329 'thr-parent' => $item['uri'],
3330 'owner-id' => $author_id,
3331 'author-id' => $author_id,
3332 'body' => $activity,
3333 'verb' => $activity,
3334 'object-type' => $objtype,
3335 'allow_cid' => $item['allow_cid'],
3336 'allow_gid' => $item['allow_gid'],
3337 'deny_cid' => $item['deny_cid'],
3338 'deny_gid' => $item['deny_gid'],
3343 $signed = Diaspora::createLikeSignature($uid, $new_item);
3344 if (!empty($signed)) {
3345 $new_item['diaspora_signed_text'] = json_encode($signed);
3348 $new_item_id = self::insert($new_item);
3350 // If the parent item isn't visible then set it to visible
3351 if (!$item['visible']) {
3352 self::update(['visible' => true], ['id' => $item['id']]);
3355 $new_item['id'] = $new_item_id;
3357 Hook::callAll('post_local_end', $new_item);
3362 private static function addThread($itemid, $onlyshadow = false)
3364 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3365 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3366 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3367 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3368 $item = Post::selectFirst($fields, $condition);
3370 if (!DBA::isResult($item)) {
3374 $item['iid'] = $itemid;
3377 $result = DBA::replace('thread', $item);
3379 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3383 private static function updateThread($itemid, $setmention = false)
3385 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3386 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3387 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3389 $item = Post::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3390 if (!DBA::isResult($item)) {
3395 $item["mention"] = 1;
3400 foreach ($item as $field => $data) {
3401 if (!in_array($field, ["guid"])) {
3402 $fields[$field] = $data;
3406 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3408 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3411 private static function deleteThread($itemid, $itemuri = "")
3413 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3414 if (!DBA::isResult($item)) {
3415 Logger::info('No thread found', ['id' => $itemid]);
3419 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3421 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3423 if ($itemuri != "") {
3424 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3425 if (!Post::exists($condition)) {
3426 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3427 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3433 * Fetch the SQL condition for the given user id
3435 * @param integer $owner_id User ID for which the permissions should be fetched
3436 * @return array condition
3438 public static function getPermissionsConditionArrayByUserId(int $owner_id)
3440 $local_user = local_user();
3441 $remote_user = Session::getRemoteContactID($owner_id);
3443 // default permissions - anonymous user
3444 $condition = ["`private` != ?", self::PRIVATE];
3446 if ($local_user && ($local_user == $owner_id)) {
3447 // Profile owner - everything is visible
3449 } elseif ($remote_user) {
3450 // Authenticated visitor - fetch the matching permissionsets
3451 $set = PermissionSet::get($owner_id, $remote_user);
3453 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
3454 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3455 self::PRIVATE, self::PRIVATE];
3456 $condition = array_merge($condition, $set);
3463 public static function getPermissionsSQLByUserId($owner_id)
3465 $local_user = local_user();
3466 $remote_user = Session::getRemoteContactID($owner_id);
3469 * Construct permissions
3471 * default permissions - anonymous user
3473 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3475 // Profile owner - everything is visible
3476 if ($local_user && ($local_user == $owner_id)) {
3478 } elseif ($remote_user) {
3480 * Authenticated visitor. Unless pre-verified,
3481 * check that the contact belongs to this $owner_id
3482 * and load the groups the visitor belongs to.
3483 * If pre-verified, the caller is expected to have already
3484 * done this and passed the groups into this function.
3486 $set = PermissionSet::get($owner_id, $remote_user);
3489 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3494 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3501 * get translated item type
3506 public static function postType($item)
3508 if (!empty($item['event-id'])) {
3509 return DI::l10n()->t('event');
3510 } elseif (!empty($item['resource-id'])) {
3511 return DI::l10n()->t('photo');
3512 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3513 return DI::l10n()->t('activity');
3514 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3515 return DI::l10n()->t('comment');
3518 return DI::l10n()->t('post');
3522 * Sets the "rendered-html" field of the provided item
3524 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3526 * @param array $item
3527 * @param bool $update
3529 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3530 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3532 public static function putInCache(&$item, $update = false)
3534 // Save original body to prevent addons to modify it
3535 $body = $item['body'];
3537 $rendered_hash = $item['rendered-hash'] ?? '';
3538 $rendered_html = $item['rendered-html'] ?? '';
3540 if ($rendered_hash == ''
3541 || $rendered_html == ''
3542 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3543 || DI::config()->get('system', 'ignore_cache')
3545 self::addRedirToImageTags($item);
3547 $item['rendered-html'] = BBCode::convert($item['body']);
3548 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3550 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3551 Hook::callAll('put_item_in_cache', $hook_data);
3552 $item['rendered-html'] = $hook_data['rendered-html'];
3553 $item['rendered-hash'] = $hook_data['rendered-hash'];
3556 // Force an update if the generated values differ from the existing ones
3557 if ($rendered_hash != $item['rendered-hash']) {
3561 // Only compare the HTML when we forcefully ignore the cache
3562 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
3566 if ($update && !empty($item['id'])) {
3569 'rendered-html' => $item['rendered-html'],
3570 'rendered-hash' => $item['rendered-hash']
3572 ['id' => $item['id']]
3577 $item['body'] = $body;
3581 * Find any non-embedded images in private items and add redir links to them
3583 * @param array &$item The field array of an item row
3585 private static function addRedirToImageTags(array &$item)
3590 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3592 foreach ($matches as $mtch) {
3593 if (strpos($mtch[1], '/redir') !== false) {
3597 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3598 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3599 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3606 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3607 * If attach is true, also add icons for item attachments.
3609 * @param array $item
3610 * @param boolean $attach
3611 * @param boolean $is_preview
3612 * @return string item body html
3613 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3614 * @throws \ImagickException
3615 * @hook prepare_body_init item array before any work
3616 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3617 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3618 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3620 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3623 Hook::callAll('prepare_body_init', $item);
3625 // In order to provide theme developers more possibilities, event items
3626 // are treated differently.
3627 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3628 $ev = Event::getItemHTML($item);
3632 $tags = Tag::populateFromItem($item);
3634 $item['tags'] = $tags['tags'];
3635 $item['hashtags'] = $tags['hashtags'];
3636 $item['mentions'] = $tags['mentions'];
3638 // Compile eventual content filter reasons
3639 $filter_reasons = [];
3640 if (!$is_preview && public_contact() != $item['author-id']) {
3641 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3642 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3647 'filter_reasons' => $filter_reasons
3649 Hook::callAll('prepare_body_content_filter', $hook_data);
3650 $filter_reasons = $hook_data['filter_reasons'];
3654 // Update the cached values if there is no "zrl=..." on the links.
3655 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3657 // Or update it if the current viewer is the intented viewer.
3658 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3662 self::putInCache($item, $update);
3663 $s = $item["rendered-html"];
3668 'preview' => $is_preview,
3669 'filter_reasons' => $filter_reasons
3671 Hook::callAll('prepare_body', $hook_data);
3672 $s = $hook_data['html'];
3676 // Replace the blockquotes with quotes that are used in mails.
3677 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3678 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3684 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
3685 $mime = $attachment['mimetype'];
3687 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
3689 if (strpos($mime, 'video') !== false) {
3692 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3695 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3697 'id' => $item['author-id'],
3698 'title' => DI::l10n()->t('View Video'),
3705 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3707 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3708 $filesubtype = str_replace('.', '-', $filesubtype);
3711 $filesubtype = 'unkn';
3714 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3715 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
3717 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3718 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3722 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3726 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3727 $x = Map::byCoordinates(trim($item['coord']));
3729 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3733 // Replace friendica image url size with theme preference.
3734 if (!empty($a->theme_info['item_image_size'])) {
3735 $ps = $a->theme_info['item_image_size'];
3736 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3739 $s = HTML::applyContentFilter($s, $filter_reasons);
3741 $hook_data = ['item' => $item, 'html' => $s];
3742 Hook::callAll('prepare_body_final', $hook_data);
3744 return $hook_data['html'];
3748 * get private link for item
3750 * @param array $item
3751 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3752 * @throws \Exception
3754 public static function getPlink($item)
3758 'href' => "display/" . $item['guid'],
3759 'orig' => "display/" . $item['guid'],
3760 'title' => DI::l10n()->t('View on separate page'),
3761 'orig_title' => DI::l10n()->t('view on separate page'),
3764 if (!empty($item['plink'])) {
3765 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3766 $ret["title"] = DI::l10n()->t('link to source');
3768 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3770 'href' => $item['plink'],
3771 'orig' => $item['plink'],
3772 'title' => DI::l10n()->t('link to source'),
3782 * Is the given item array a post that is sent as starting post to a forum?
3784 * @param array $item
3785 * @param array $owner
3787 * @return boolean "true" when it is a forum post
3789 public static function isForumPost(array $item, array $owner = [])
3791 if (empty($owner)) {
3792 $owner = User::getOwnerDataById($item['uid']);
3793 if (empty($owner)) {
3798 if (($item['author-id'] == $item['owner-id']) ||
3799 ($owner['id'] == $item['contact-id']) ||
3800 ($item['uri'] != $item['parent-uri']) ||
3805 return Contact::isForum($item['contact-id']);
3809 * Search item id for given URI or plink
3811 * @param string $uri
3812 * @param integer $uid
3814 * @return integer item id
3816 public static function searchByLink($uri, $uid = 0)
3818 $ssl_uri = str_replace('http://', 'https://', $uri);
3819 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3821 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3822 if (DBA::isResult($item)) {
3826 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3827 if (!DBA::isResult($itemcontent)) {
3831 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3832 if (!DBA::isResult($itemuri)) {
3836 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3837 if (DBA::isResult($item)) {
3845 * Return the URI for a link to the post
3847 * @param string $uri URI or link to post
3849 * @return string URI
3851 public static function getURIByLink(string $uri)
3853 $ssl_uri = str_replace('http://', 'https://', $uri);
3854 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3856 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3857 if (DBA::isResult($item)) {
3858 return $item['uri'];
3861 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3862 if (!DBA::isResult($itemcontent)) {
3866 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3867 if (DBA::isResult($itemuri)) {
3868 return $itemuri['uri'];
3875 * Fetches item for given URI or plink
3877 * @param string $uri
3878 * @param integer $uid
3880 * @return integer item id
3882 public static function fetchByLink(string $uri, int $uid = 0)
3884 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3885 $item_id = self::searchByLink($uri, $uid);
3886 if (!empty($item_id)) {
3887 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3891 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3892 $item_id = self::searchByLink($fetched_uri, $uid);
3894 $item_id = Diaspora::fetchByURL($uri);
3897 if (!empty($item_id)) {
3898 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3902 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3907 * Return share data from an item array (if the item is shared item)
3908 * We are providing the complete Item array, because at some time in the future
3909 * we hopefully will define these values not in the body anymore but in some item fields.
3910 * This function is meant to replace all similar functions in the system.
3912 * @param array $item
3914 * @return array with share information
3916 public static function getShareArray($item)
3918 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3922 $attribute_string = $matches[2];
3923 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3924 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3925 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3926 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3933 * Fetch item information for shared items from the original items and adds it.
3935 * @param array $item
3937 * @return array item array with data from the original item
3939 public static function addShareDataFromOriginal(array $item)
3941 $shared = self::getShareArray($item);
3942 if (empty($shared)) {
3946 // Real reshares always have got a GUID.
3947 if (empty($shared['guid'])) {
3951 $uid = $item['uid'] ?? 0;
3953 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3954 $shared_item = Post::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3955 if (!DBA::isResult($shared_item)) {
3956 if (empty($shared['link'])) {
3960 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3961 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3963 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3967 $shared_item = Post::selectFirst(['title', 'body'], ['id' => $id]);
3968 if (!DBA::isResult($shared_item)) {
3971 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3973 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3976 if (!empty($shared_item['title'])) {
3977 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3978 unset($shared_item['title']);
3980 $body = $shared_item['body'];
3983 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3984 unset($shared_item['body']);
3986 return array_merge($item, $shared_item);
3990 * Check a prospective item array against user-level permissions
3992 * @param array $item Expected keys: uri, gravity, and
3993 * author-link if is author-id is set,
3994 * owner-link if is owner-id is set,
3995 * causer-link if is causer-id is set.
3996 * @param int $user_id Local user ID
3998 * @throws \Exception
4000 protected static function isAllowedByUser(array $item, int $user_id)
4002 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
4003 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4007 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
4008 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4012 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
4013 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
4014 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4018 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
4019 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);