3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Protocol\Activity;
36 use Friendica\Protocol\ActivityPub;
37 use Friendica\Protocol\Diaspora;
38 use Friendica\Protocol\OStatus;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Map;
41 use Friendica\Util\Network;
42 use Friendica\Util\Security;
43 use Friendica\Util\Strings;
44 use Friendica\Util\XML;
45 use Friendica\Worker\Delivery;
46 use Text_LanguageDetect;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Field list that is used to display the items
62 const DISPLAY_FIELDLIST = [
63 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
64 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
65 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
66 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
67 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
68 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
69 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
70 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
71 'writable', 'self', 'cid', 'alias', 'pinned',
72 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
73 'event-summary', 'event-desc', 'event-location', 'event-type',
74 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
75 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
78 // Field list that is used to deliver items via the protocols
79 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
80 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
81 'private', 'title', 'body', 'location', 'coord', 'app',
82 'attach', 'tag', 'deleted', 'extid', 'post-type',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
84 'author-id', 'author-link', 'owner-link', 'contact-uid',
85 'signed_text', 'signature', 'signer', 'network'];
87 // Field list for "item-content" table that is mixed with the item table
88 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
89 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
90 'object-type', 'object', 'target-type', 'target', 'plink'];
92 // Field list for "item-content" table that is not present in the "item" table
93 const CONTENT_FIELDLIST = ['language'];
95 // All fields in the item table
96 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
97 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
98 'created', 'edited', 'commented', 'received', 'changed', 'verb',
99 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
100 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
101 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
102 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
103 'title', 'content-warning', 'body', 'location', 'coord', 'app',
104 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
105 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
106 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
108 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
109 // The item-activity table only stores the index and needs this array to know the matching activity.
111 Activity::LIKE, Activity::DISLIKE,
112 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
120 private static $legacy_mode = null;
122 public static function isLegacyMode()
124 if (is_null(self::$legacy_mode)) {
125 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
128 return self::$legacy_mode;
132 * Set the pinned state of an item
134 * @param integer $iid Item ID
135 * @param integer $uid User ID
136 * @param boolean $pinned Pinned state
138 public static function setPinned(int $iid, int $uid, bool $pinned)
140 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
144 * Get the pinned state
146 * @param integer $iid Item ID
147 * @param integer $uid User ID
149 * @return boolean pinned state
151 public static function getPinned(int $iid, int $uid)
153 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
154 if (!DBA::isResult($useritem)) {
157 return (bool)$useritem['pinned'];
161 * Select pinned rows from the item table for a given user
163 * @param integer $uid User ID
164 * @param array $selected Array of selected fields, empty for all
165 * @param array $condition Array of fields for condition
166 * @param array $params Array of several parameters
168 * @return boolean|object
171 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
173 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
174 if (!DBA::isResult($useritems)) {
179 while ($useritem = self::fetch($useritems)) {
180 $pinned[] = $useritem['iid'];
182 DBA::close($useritems);
184 if (empty($pinned)) {
188 if (empty($condition) || !is_array($condition)) {
189 $condition = ['iid' => $pinned];
192 $first_key = key($condition);
193 if (!is_int($first_key)) {
194 $condition['iid'] = $pinned;
196 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
197 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
198 $condition = array_merge($condition, $pinned);
202 return self::selectThreadForUser($uid, $selected, $condition, $params);
206 * returns an activity index from an activity string
208 * @param string $activity activity string
209 * @return integer Activity index
211 public static function activityToIndex($activity)
213 $index = array_search($activity, self::ACTIVITIES);
215 if (is_bool($index)) {
223 * returns an activity string from an activity index
225 * @param integer $index activity index
226 * @return string Activity string
228 private static function indexToActivity($index)
230 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
234 return self::ACTIVITIES[$index];
238 * Fetch a single item row
240 * @param mixed $stmt statement object
241 * @return array current row
243 public static function fetch($stmt)
245 $row = DBA::fetch($stmt);
251 // ---------------------- Transform item structure data ----------------------
253 // We prefer the data from the user's contact over the public one
254 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
255 ($row['author-link'] == $row['contact-link'])) {
256 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
257 $row['author-avatar'] = $row['contact-avatar'];
259 if (isset($row['author-name']) && !empty($row['contact-name'])) {
260 $row['author-name'] = $row['contact-name'];
264 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
265 ($row['owner-link'] == $row['contact-link'])) {
266 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
267 $row['owner-avatar'] = $row['contact-avatar'];
269 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
270 $row['owner-name'] = $row['contact-name'];
274 // We can always comment on posts from these networks
275 if (array_key_exists('writable', $row) &&
276 in_array($row['internal-network'], Protocol::FEDERATED)) {
277 $row['writable'] = true;
280 // ---------------------- Transform item content data ----------------------
282 // Fetch data from the item-content table whenever there is content there
283 if (self::isLegacyMode()) {
284 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
285 foreach ($legacy_fields as $field) {
286 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
287 $row[$field] = $row['internal-item-' . $field];
289 unset($row['internal-item-' . $field]);
293 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
294 $row['verb'] = self::indexToActivity($row['internal-activity']);
295 if (array_key_exists('title', $row)) {
298 if (array_key_exists('body', $row)) {
299 $row['body'] = $row['verb'];
301 if (array_key_exists('object', $row)) {
304 if (array_key_exists('object-type', $row)) {
305 $row['object-type'] = Activity\ObjectType::NOTE;
307 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
308 // Posts don't have a target - but having tags or files.
309 // We safe some performance by building tag and file strings only here.
310 // We remove the target since they aren't used for this type.
311 // In mail posts we do store some mail header data in the object.
312 if (array_key_exists('target', $row)) {
317 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
318 // Build the tag string out of the term entries
319 if (array_key_exists('tag', $row) && empty($row['tag'])) {
320 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
323 // Build the file string out of the term entries
324 if (array_key_exists('file', $row) && empty($row['file'])) {
325 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
329 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
330 $row['signed_text'] = $row['interaction'];
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-activity']);
339 unset($row['internal-network']);
340 unset($row['internal-iid']);
341 unset($row['internal-iaid']);
342 unset($row['internal-icid']);
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 $do_close
354 * @return array Data array
356 public static function inArray($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 * Retrieve a single record from the item table for a given user and returns it in an associative array
396 * @param integer $uid User ID
397 * @param array $selected
398 * @param array $condition
399 * @param array $params
404 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
406 $params['uid'] = $uid;
408 if (empty($selected)) {
409 $selected = Item::DISPLAY_FIELDLIST;
412 return self::selectFirst($selected, $condition, $params);
416 * Select rows from the item table for a given user
418 * @param integer $uid User ID
419 * @param array $selected Array of selected fields, empty for all
420 * @param array $condition Array of fields for condition
421 * @param array $params Array of several parameters
423 * @return boolean|object
426 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
428 $params['uid'] = $uid;
430 if (empty($selected)) {
431 $selected = Item::DISPLAY_FIELDLIST;
434 return self::select($selected, $condition, $params);
438 * Retrieve a single record from the item table and returns it in an associative array
440 * @param array $fields
441 * @param array $condition
442 * @param array $params
447 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
449 $params['limit'] = 1;
451 $result = self::select($fields, $condition, $params);
453 if (is_bool($result)) {
456 $row = self::fetch($result);
463 * Select rows from the item table and returns them as an array
465 * @param array $selected Array of selected fields, empty for all
466 * @param array $condition Array of fields for condition
467 * @param array $params Array of several parameters
472 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
474 $result = self::select($fields, $condition, $params);
476 if (is_bool($result)) {
481 while ($row = self::fetch($result)) {
490 * Select rows from the item table
492 * @param array $selected Array of selected fields, empty for all
493 * @param array $condition Array of fields for condition
494 * @param array $params Array of several parameters
496 * @return boolean|object
499 public static function select(array $selected = [], array $condition = [], $params = [])
504 if (isset($params['uid'])) {
505 $uid = $params['uid'];
509 $fields = self::fieldlist($usermode);
511 $select_fields = self::constructSelectFields($fields, $selected);
513 $condition_string = DBA::buildCondition($condition);
515 $condition_string = self::addTablesToFields($condition_string, $fields);
518 $condition_string = $condition_string . ' AND ' . self::condition(false);
521 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
523 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
525 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
527 return DBA::p($sql, $condition);
531 * Select rows from the starting post in the item table
533 * @param integer $uid User ID
534 * @param array $selected
535 * @param array $condition Array of fields for condition
536 * @param array $params Array of several parameters
538 * @return boolean|object
541 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
543 $params['uid'] = $uid;
545 if (empty($selected)) {
546 $selected = Item::DISPLAY_FIELDLIST;
549 return self::selectThread($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 integer $uid User ID
556 * @param array $selected
557 * @param array $condition
558 * @param array $params
563 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
565 $params['uid'] = $uid;
567 if (empty($selected)) {
568 $selected = Item::DISPLAY_FIELDLIST;
571 return self::selectFirstThread($selected, $condition, $params);
575 * Retrieve a single record from the starting post in the item table and returns it in an associative array
577 * @param array $fields
578 * @param array $condition
579 * @param array $params
584 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
586 $params['limit'] = 1;
587 $result = self::selectThread($fields, $condition, $params);
589 if (is_bool($result)) {
592 $row = self::fetch($result);
599 * Select rows from the starting post in the item table
601 * @param array $selected Array of selected fields, empty for all
602 * @param array $condition Array of fields for condition
603 * @param array $params Array of several parameters
605 * @return boolean|object
608 public static function selectThread(array $selected = [], array $condition = [], $params = [])
613 if (isset($params['uid'])) {
614 $uid = $params['uid'];
618 $fields = self::fieldlist($usermode);
620 $fields['thread'] = ['mention', 'ignored', 'iid'];
622 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
623 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
624 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
625 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
627 $select_fields = self::constructSelectFields($fields, $selected);
629 $condition_string = DBA::buildCondition($condition);
631 $condition_string = self::addTablesToFields($condition_string, $threadfields);
632 $condition_string = self::addTablesToFields($condition_string, $fields);
635 $condition_string = $condition_string . ' AND ' . self::condition(true);
638 $param_string = DBA::buildParameter($params);
639 $param_string = self::addTablesToFields($param_string, $threadfields);
640 $param_string = self::addTablesToFields($param_string, $fields);
642 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
644 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
646 return DBA::p($sql, $condition);
650 * Returns a list of fields that are associated with the item table
653 * @return array field list
655 private static function fieldlist($usermode)
659 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
660 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
661 'created', 'edited', 'commented', 'received', 'changed', 'psid',
662 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
663 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
664 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
665 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
666 'network' => 'internal-network', 'icid' => 'internal-icid',
667 'iaid' => 'internal-iaid'];
670 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
673 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
675 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
677 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
679 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
681 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
682 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
684 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
685 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
687 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
688 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
689 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
691 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
693 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
695 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
696 'start' => 'event-start','finish' => 'event-finish',
697 'summary' => 'event-summary','desc' => 'event-desc',
698 'location' => 'event-location', 'type' => 'event-type',
699 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
700 'ignore' => 'event-ignore', 'id' => 'event-id'];
702 $fields['sign'] = ['signed_text', 'signature', 'signer'];
704 $fields['diaspora-interaction'] = ['interaction'];
710 * Returns SQL condition for the "select" functions
712 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
714 * @return string SQL condition
716 private static function condition($thread_mode)
719 $master_table = "`thread`";
721 $master_table = "`item`";
723 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
724 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
725 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
726 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
727 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
728 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
729 GRAVITY_PARENT, GRAVITY_PARENT);
733 * Returns all needed "JOIN" commands for the "select" functions
735 * @param integer $uid User ID
736 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
737 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
740 * @return string The SQL joins for the "select" functions
742 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
745 $master_table = "`thread`";
746 $master_table_key = "`thread`.`iid`";
747 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
749 $master_table = "`item`";
750 $master_table_key = "`item`.`id`";
755 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
756 AND NOT `contact`.`blocked`
757 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
758 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
759 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
760 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
761 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
762 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
763 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
764 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
766 if (strpos($sql_commands, "`contact`.") !== false) {
767 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
769 if (strpos($sql_commands, "`author`.") !== false) {
770 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
772 if (strpos($sql_commands, "`owner`.") !== false) {
773 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
777 if (strpos($sql_commands, "`group_member`.") !== false) {
778 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
781 if (strpos($sql_commands, "`user`.") !== false) {
782 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
785 if (strpos($sql_commands, "`event`.") !== false) {
786 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
789 if (strpos($sql_commands, "`sign`.") !== false) {
790 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
793 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
794 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
797 if (strpos($sql_commands, "`item-activity`.") !== false) {
798 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
801 if (strpos($sql_commands, "`item-content`.") !== false) {
802 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
805 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
806 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
809 if (strpos($sql_commands, "`permissionset`.") !== false) {
810 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
813 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
814 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
817 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
818 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
825 * Add the field list for the "select" functions
827 * @param array $fields The field definition array
828 * @param array $selected The array with the selected fields from the "select" functions
830 * @return string The field list
832 private static function constructSelectFields($fields, $selected)
834 if (!empty($selected)) {
835 $selected[] = 'internal-iid';
836 $selected[] = 'internal-iaid';
837 $selected[] = 'internal-icid';
838 $selected[] = 'internal-network';
841 if (in_array('verb', $selected)) {
842 $selected[] = 'internal-activity';
845 if (in_array('ignored', $selected)) {
846 $selected[] = 'internal-user-ignored';
849 if (in_array('signed_text', $selected)) {
850 $selected[] = 'interaction';
853 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
856 foreach ($fields as $table => $table_fields) {
857 foreach ($table_fields as $field => $select) {
858 if (empty($selected) || in_array($select, $selected)) {
859 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
860 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
862 if (is_int($field)) {
863 $selection[] = "`" . $table . "`.`" . $select . "`";
865 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
870 return implode(", ", $selection);
874 * add table definition to fields in an SQL query
876 * @param string $query SQL query
877 * @param array $fields The field definition array
879 * @return string the changed SQL query
881 private static function addTablesToFields($query, $fields)
883 foreach ($fields as $table => $table_fields) {
884 foreach ($table_fields as $alias => $field) {
885 if (is_int($alias)) {
886 $replace_field = $field;
888 $replace_field = $alias;
891 $search = "/([^\.])`" . $field . "`/i";
892 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
893 $query = preg_replace($search, $replace, $query);
900 * Update existing item entries
902 * @param array $fields The fields that are to be changed
903 * @param array $condition The condition for finding the item entries
905 * In the future we may have to change permissions as well.
906 * Then we had to add the user id as third parameter.
908 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
910 * @return integer|boolean number of affected rows - or "false" if there was an error
911 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
913 public static function update(array $fields, array $condition)
915 if (empty($condition) || empty($fields)) {
919 // To ensure the data integrity we do it in an transaction
922 // We cannot simply expand the condition to check for origin entries
923 // The condition needn't to be a simple array but could be a complex condition.
924 // And we have to execute this query before the update to ensure to fetch the same data.
925 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
927 $content_fields = [];
928 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
929 if (isset($fields[$field])) {
930 $content_fields[$field] = $fields[$field];
931 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
932 unset($fields[$field]);
934 $fields[$field] = null;
939 $delivery_data = ItemDeliveryData::extractFields($fields);
941 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
942 foreach ($clear_fields as $field) {
943 if (array_key_exists($field, $fields)) {
944 $fields[$field] = null;
948 if (array_key_exists('tag', $fields)) {
949 $tags = $fields['tag'];
950 $fields['tag'] = null;
955 if (array_key_exists('file', $fields)) {
956 $files = $fields['file'];
957 $fields['file'] = null;
962 if (!empty($fields)) {
963 $success = DBA::update('item', $fields, $condition);
972 // When there is no content for the "old" item table, this will count the fetched items
973 $rows = DBA::affectedRows();
977 while ($item = DBA::fetch($items)) {
978 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
979 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
981 if (empty($item['iaid'])) {
982 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
983 if (DBA::isResult($item_activity)) {
984 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
985 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
986 if (self::isLegacyMode()) {
987 $item_fields[$field] = null;
989 unset($item_fields[$field]);
992 DBA::update('item', $item_fields, ['id' => $item['id']]);
994 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
995 DBA::delete('item-content', ['id' => $item['icid']]);
998 } elseif (!empty($item['icid'])) {
999 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
1001 if (!DBA::exists('item', ['icid' => $item['icid']])) {
1002 DBA::delete('item-content', ['id' => $item['icid']]);
1006 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
1008 if (empty($item['icid'])) {
1009 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1010 if (DBA::isResult($item_content)) {
1011 $item_fields = ['icid' => $item_content['id']];
1012 // Clear all fields in the item table that have a content in the item-content table
1013 foreach ($item_content as $field => $content) {
1014 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1015 if (self::isLegacyMode()) {
1016 $item_fields[$field] = null;
1018 unset($item_fields[$field]);
1022 DBA::update('item', $item_fields, ['id' => $item['id']]);
1027 if (!is_null($tags)) {
1028 Term::insertFromTagFieldByItemId($item['id'], $tags);
1029 if (!empty($item['tag'])) {
1030 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1034 if (!is_null($files)) {
1035 Term::insertFromFileFieldByItemId($item['id'], $files);
1036 if (!empty($item['file'])) {
1037 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1041 ItemDeliveryData::update($item['id'], $delivery_data);
1043 self::updateThread($item['id']);
1045 // We only need to notfiy others when it is an original entry from us.
1046 // Only call the notifier when the item has some content relevant change.
1047 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1048 $notify_items[] = $item['id'];
1055 foreach ($notify_items as $notify_item) {
1056 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1063 * Delete an item and notify others about it - if it was ours
1065 * @param array $condition The condition for finding the item entries
1066 * @param integer $priority Priority for the notification
1067 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1069 public static function delete($condition, $priority = PRIORITY_HIGH)
1071 $items = self::select(['id'], $condition);
1072 while ($item = self::fetch($items)) {
1073 self::deleteById($item['id'], $priority);
1079 * Delete an item for an user and notify others about it - if it was ours
1081 * @param array $condition The condition for finding the item entries
1082 * @param integer $uid User who wants to delete this item
1083 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1085 public static function deleteForUser($condition, $uid)
1091 $items = self::select(['id', 'uid'], $condition);
1092 while ($item = self::fetch($items)) {
1093 // "Deleting" global items just means hiding them
1094 if ($item['uid'] == 0) {
1095 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1097 // Delete notifications
1098 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1099 } elseif ($item['uid'] == $uid) {
1100 self::deleteById($item['id'], PRIORITY_HIGH);
1102 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1109 * Delete an item and notify others about it - if it was ours
1111 * @param integer $item_id Item ID that should be delete
1112 * @param integer $priority Priority for the notification
1114 * @return boolean success
1115 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1117 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1119 Logger::notice('Delete item by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1120 // locate item to be deleted
1121 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1122 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1123 'verb', 'object-type', 'object', 'target', 'contact-id',
1124 'icid', 'iaid', 'psid'];
1125 $item = self::selectFirst($fields, ['id' => $item_id]);
1126 if (!DBA::isResult($item)) {
1127 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1131 if ($item['deleted']) {
1132 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1136 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1137 if (!DBA::isResult($parent)) {
1138 $parent = ['origin' => false];
1141 // clean up categories and tags so they don't end up as orphans
1144 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1147 foreach ($matches as $mtch) {
1148 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1154 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1157 foreach ($matches as $mtch) {
1158 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1163 * If item is a link to a photo resource, nuke all the associated photos
1164 * (visitors will not have photo resources)
1165 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1166 * generate a resource-id and therefore aren't intimately linked to the item.
1168 /// @TODO: this should first check if photo is used elsewhere
1169 if (strlen($item['resource-id'])) {
1170 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1173 // If item is a link to an event, delete the event.
1174 if (intval($item['event-id'])) {
1175 Event::delete($item['event-id']);
1178 // If item has attachments, drop them
1179 /// @TODO: this should first check if attachment is used elsewhere
1180 foreach (explode(",", $item['attach']) as $attach) {
1181 preg_match("|attach/(\d+)|", $attach, $matches);
1182 if (is_array($matches) && count($matches) > 1) {
1183 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1187 // Delete tags that had been attached to other items
1188 self::deleteTagsFromItem($item);
1190 // Delete notifications
1191 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1193 // Set the item to "deleted"
1194 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1195 DBA::update('item', $item_fields, ['id' => $item['id']]);
1197 Term::insertFromTagFieldByItemId($item['id'], '');
1198 Term::insertFromFileFieldByItemId($item['id'], '');
1199 self::deleteThread($item['id'], $item['parent-uri']);
1201 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1202 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1205 ItemDeliveryData::delete($item['id']);
1207 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1209 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1210 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1212 // When the permission set will be used in photo and events as well,
1213 // this query here needs to be extended.
1214 // @todo Currently deactivated. We need the permission set in the deletion process.
1215 // This is a reminder to add the removal somewhere else.
1216 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1217 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1220 // If it's the parent of a comment thread, kill all the kids
1221 if ($item['id'] == $item['parent']) {
1222 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1225 // Is it our comment and/or our thread?
1226 if ($item['origin'] || $parent['origin']) {
1228 // When we delete the original post we will delete all existing copies on the server as well
1229 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1231 // send the notification upstream/downstream
1232 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1233 } elseif ($item['uid'] != 0) {
1235 // When we delete just our local user copy of an item, we have to set a marker to hide it
1236 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1237 if (DBA::isResult($global_item)) {
1238 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1242 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1247 private static function deleteTagsFromItem($item)
1249 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1253 $xo = XML::parseString($item["object"], false);
1254 $xt = XML::parseString($item["target"], false);
1256 if ($xt->type != Activity\ObjectType::NOTE) {
1260 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1261 if (!DBA::isResult($i)) {
1265 // For tags, the owner cannot remove the tag on the author's copy of the post.
1266 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1267 $author_copy = $item["origin"];
1269 if (($owner_remove && $author_copy) || !$owner_remove) {
1273 $tags = explode(',', $i["tag"]);
1276 foreach ($tags as $tag) {
1277 if (trim($tag) !== trim($xo->body)) {
1278 $newtags[] = trim($tag);
1282 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1285 private static function guid($item, $notify)
1287 if (!empty($item['guid'])) {
1288 return Strings::escapeTags(trim($item['guid']));
1292 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1293 // We add the hash of our own host because our host is the original creator of the post.
1294 $prefix_host = DI::baseUrl()->getHostname();
1298 // We are only storing the post so we create a GUID from the original hostname.
1299 if (!empty($item['author-link'])) {
1300 $parsed = parse_url($item['author-link']);
1301 if (!empty($parsed['host'])) {
1302 $prefix_host = $parsed['host'];
1306 if (empty($prefix_host) && !empty($item['plink'])) {
1307 $parsed = parse_url($item['plink']);
1308 if (!empty($parsed['host'])) {
1309 $prefix_host = $parsed['host'];
1313 if (empty($prefix_host) && !empty($item['uri'])) {
1314 $parsed = parse_url($item['uri']);
1315 if (!empty($parsed['host'])) {
1316 $prefix_host = $parsed['host'];
1320 // Is it in the format data@host.tld? - Used for mail contacts
1321 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1322 $mailparts = explode('@', $item['author-link']);
1323 $prefix_host = array_pop($mailparts);
1327 if (!empty($item['plink'])) {
1328 $guid = self::guidFromUri($item['plink'], $prefix_host);
1329 } elseif (!empty($item['uri'])) {
1330 $guid = self::guidFromUri($item['uri'], $prefix_host);
1332 $guid = System::createUUID(hash('crc32', $prefix_host));
1338 private static function contactId($item)
1340 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1341 return $item['contact-id'];
1342 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1343 return $item['contact-id'];
1344 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1345 return $item['author-id'];
1346 } elseif (!empty($item['contact-id'])) {
1347 return $item['contact-id'];
1349 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1350 if (!empty($contact_id)) {
1354 return $item['author-id'];
1357 // This function will finally cover most of the preparation functionality in mod/item.php
1358 public static function prepare(&$item)
1361 * @TODO: Unused code triggering inspection errors
1363 $data = BBCode::getAttachmentData($item['body']);
1364 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1365 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1366 $posttype = Item::PT_PAGE;
1367 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1373 * Write an item array into a spool file to be inserted later.
1374 * This command is called whenever there are issues storing an item.
1376 * @param array $item The item fields that are to be inserted
1377 * @throws \Exception
1379 private static function spool($orig_item)
1381 // Now we store the data in the spool directory
1382 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1383 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1385 $spoolpath = get_spoolpath();
1386 if ($spoolpath != "") {
1387 $spool = $spoolpath . '/' . $file;
1389 file_put_contents($spool, json_encode($orig_item));
1390 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1394 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1398 $priority = PRIORITY_HIGH;
1400 // If it is a posting where users should get notifications, then define it as wall posting
1403 $item['origin'] = 1;
1404 $item['network'] = Protocol::DFRN;
1405 $item['protocol'] = Conversation::PARCEL_DFRN;
1407 if (is_int($notify)) {
1408 $priority = $notify;
1411 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1414 $item['guid'] = self::guid($item, $notify);
1415 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1418 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1420 // Store conversation data
1421 $item = Conversation::insert($item);
1424 * If a Diaspora signature structure was passed in, pull it out of the
1425 * item array and set it aside for later storage.
1429 if (isset($item['dsprsig'])) {
1430 $encoded_signature = $item['dsprsig'];
1431 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1432 unset($item['dsprsig']);
1435 $diaspora_signed_text = '';
1436 if (isset($item['diaspora_signed_text'])) {
1437 $diaspora_signed_text = $item['diaspora_signed_text'];
1438 unset($item['diaspora_signed_text']);
1441 // Converting the plink
1442 /// @TODO Check if this is really still needed
1443 if ($item['network'] == Protocol::OSTATUS) {
1444 if (isset($item['plink'])) {
1445 $item['plink'] = OStatus::convertHref($item['plink']);
1446 } elseif (isset($item['uri'])) {
1447 $item['plink'] = OStatus::convertHref($item['uri']);
1451 if (!empty($item['thr-parent'])) {
1452 $item['parent-uri'] = $item['thr-parent'];
1455 $activity = DI::activity();
1457 if (isset($item['gravity'])) {
1458 $item['gravity'] = intval($item['gravity']);
1459 } elseif ($item['parent-uri'] === $item['uri']) {
1460 $item['gravity'] = GRAVITY_PARENT;
1461 } elseif ($activity->match($item['verb'], Activity::POST)) {
1462 $item['gravity'] = GRAVITY_COMMENT;
1463 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1464 $item['gravity'] = GRAVITY_ACTIVITY;
1466 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1467 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1470 $uid = intval($item['uid']);
1472 // check for create date and expire time
1473 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1475 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1476 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1477 $expire_interval = $user['expire'];
1480 if (($expire_interval > 0) && !empty($item['created'])) {
1481 $expire_date = time() - ($expire_interval * 86400);
1482 $created_date = strtotime($item['created']);
1483 if ($created_date < $expire_date) {
1484 Logger::notice('Item created before expiration interval.', [
1485 'created' => date('c', $created_date),
1486 'expired' => date('c', $expire_date),
1494 * Do we already have this item?
1495 * We have to check several networks since Friendica posts could be repeated
1496 * via OStatus (maybe Diasporsa as well)
1498 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1499 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1500 trim($item['uri']), $item['uid'],
1501 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1502 $existing = self::selectFirst(['id', 'network'], $condition);
1503 if (DBA::isResult($existing)) {
1504 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1506 Logger::notice('Item already existed for user', [
1507 'uri' => $item['uri'],
1509 'network' => $item['network'],
1510 'existing_id' => $existing["id"],
1511 'existing_network' => $existing["network"]
1515 return $existing["id"];
1519 $item['wall'] = intval($item['wall'] ?? 0);
1520 $item['extid'] = trim($item['extid'] ?? '');
1521 $item['author-name'] = trim($item['author-name'] ?? '');
1522 $item['author-link'] = trim($item['author-link'] ?? '');
1523 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1524 $item['owner-name'] = trim($item['owner-name'] ?? '');
1525 $item['owner-link'] = trim($item['owner-link'] ?? '');
1526 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1527 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1528 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1529 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1530 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1531 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1532 $item['title'] = trim($item['title'] ?? '');
1533 $item['location'] = trim($item['location'] ?? '');
1534 $item['coord'] = trim($item['coord'] ?? '');
1535 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1536 $item['deleted'] = 0;
1537 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1538 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1539 $item['verb'] = trim($item['verb'] ?? '');
1540 $item['object-type'] = trim($item['object-type'] ?? '');
1541 $item['object'] = trim($item['object'] ?? '');
1542 $item['target-type'] = trim($item['target-type'] ?? '');
1543 $item['target'] = trim($item['target'] ?? '');
1544 $item['plink'] = trim($item['plink'] ?? '');
1545 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1546 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1547 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1548 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1549 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1550 $item['body'] = trim($item['body'] ?? '');
1551 $item['tag'] = trim($item['tag'] ?? '');
1552 $item['attach'] = trim($item['attach'] ?? '');
1553 $item['app'] = trim($item['app'] ?? '');
1554 $item['origin'] = intval($item['origin'] ?? 0);
1555 $item['postopts'] = trim($item['postopts'] ?? '');
1556 $item['resource-id'] = trim($item['resource-id'] ?? '');
1557 $item['event-id'] = intval($item['event-id'] ?? 0);
1558 $item['inform'] = trim($item['inform'] ?? '');
1559 $item['file'] = trim($item['file'] ?? '');
1561 // When there is no content then we don't post it
1562 if ($item['body'].$item['title'] == '') {
1563 Logger::notice('No body, no title.');
1567 self::addLanguageToItemArray($item);
1569 // Items cannot be stored before they happen ...
1570 if ($item['created'] > DateTimeFormat::utcNow()) {
1571 $item['created'] = DateTimeFormat::utcNow();
1574 // We haven't invented time travel by now.
1575 if ($item['edited'] > DateTimeFormat::utcNow()) {
1576 $item['edited'] = DateTimeFormat::utcNow();
1579 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1581 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1582 'photo' => $item['author-avatar'], 'network' => $item['network']];
1584 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1586 if (Contact::isBlocked($item['author-id'])) {
1587 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1591 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1592 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1596 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1597 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1601 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1602 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1604 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1606 if (Contact::isBlocked($item['owner-id'])) {
1607 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1611 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1612 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1616 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1617 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1621 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1622 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1623 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1627 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1628 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1632 // We don't store the causer, we only have it here for the checks above
1633 unset($item['causer-id']);
1634 unset($item['causer-link']);
1636 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1637 $item["contact-id"] = self::contactId($item);
1639 if ($item['network'] == Protocol::PHANTOM) {
1640 $item['network'] = Protocol::DFRN;
1641 Logger::notice('Missing network, setting to {network}.', [
1642 'uri' => $item["uri"],
1643 'network' => $item['network'],
1644 'callstack' => System::callstack()
1648 // Checking if there is already an item with the same guid
1649 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1650 if (self::exists($condition)) {
1651 Logger::notice('Found already existing item', [
1652 'guid' => $item['guid'],
1653 'uid' => $item['uid'],
1654 'network' => $item['network']
1659 if ($item['verb'] == Activity::FOLLOW) {
1660 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1661 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1662 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1666 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1667 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1668 if (self::exists($condition)) {
1669 // It happens that we receive multiple follow requests by the same author - we only store one.
1670 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1675 // Check for hashtags in the body and repair or add hashtag links
1676 self::setHashtags($item);
1678 $item['thr-parent'] = $item['parent-uri'];
1680 $notify_type = Delivery::POST;
1686 if ($item['parent-uri'] === $item['uri']) {
1688 $parent_deleted = 0;
1689 $allow_cid = $item['allow_cid'];
1690 $allow_gid = $item['allow_gid'];
1691 $deny_cid = $item['deny_cid'];
1692 $deny_gid = $item['deny_gid'];
1694 // find the parent and snarf the item id and ACLs
1695 // and anything else we need to inherit
1697 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1698 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1699 'wall', 'private', 'forum_mode', 'origin'];
1700 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1701 $params = ['order' => ['id' => false]];
1702 $parent = self::selectFirst($fields, $condition, $params);
1704 if (DBA::isResult($parent)) {
1705 // is the new message multi-level threaded?
1706 // even though we don't support it now, preserve the info
1707 // and re-attach to the conversation parent.
1709 if ($parent['uri'] != $parent['parent-uri']) {
1710 $item['parent-uri'] = $parent['parent-uri'];
1712 $condition = ['uri' => $item['parent-uri'],
1713 'parent-uri' => $item['parent-uri'],
1714 'uid' => $item['uid']];
1715 $params = ['order' => ['id' => false]];
1716 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1718 if (DBA::isResult($toplevel_parent)) {
1719 $parent = $toplevel_parent;
1723 $parent_id = $parent['id'];
1724 $parent_deleted = $parent['deleted'];
1725 $allow_cid = $parent['allow_cid'];
1726 $allow_gid = $parent['allow_gid'];
1727 $deny_cid = $parent['deny_cid'];
1728 $deny_gid = $parent['deny_gid'];
1729 $item['wall'] = $parent['wall'];
1732 * If the parent is private, force privacy for the entire conversation
1733 * This differs from the above settings as it subtly allows comments from
1734 * email correspondents to be private even if the overall thread is not.
1736 if ($parent['private']) {
1737 $item['private'] = $parent['private'];
1741 * Edge case. We host a public forum that was originally posted to privately.
1742 * The original author commented, but as this is a comment, the permissions
1743 * weren't fixed up so it will still show the comment as private unless we fix it here.
1745 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1746 $item['private'] = self::PUBLIC;
1749 // If its a post that originated here then tag the thread as "mention"
1750 if ($item['origin'] && $item['uid']) {
1751 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1752 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1756 * Allow one to see reply tweets from status.net even when
1757 * we don't have or can't see the original post.
1759 if ($force_parent) {
1760 Logger::log('$force_parent=true, reply converted to top-level post.');
1762 $item['parent-uri'] = $item['uri'];
1763 $item['gravity'] = GRAVITY_PARENT;
1765 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1769 $parent_deleted = 0;
1773 if (stristr($item['verb'], Activity::POKE)) {
1774 $notify_type = Delivery::POKE;
1777 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1778 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1780 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1781 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1782 if (self::exists($condition)) {
1783 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1787 // On Friendica and Diaspora the GUID is unique
1788 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1789 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1790 if (self::exists($condition)) {
1791 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1794 } elseif ($item['network'] == Protocol::OSTATUS) {
1795 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1796 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1797 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1798 if (self::exists($condition)) {
1799 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1804 // Is this item available in the global items (with uid=0)?
1805 if ($item["uid"] == 0) {
1806 $item["global"] = true;
1808 // Set the global flag on all items if this was a global item entry
1809 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1811 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1815 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1816 $private = self::PRIVATE;
1818 $private = $item['private'];
1821 $item["allow_cid"] = $allow_cid;
1822 $item["allow_gid"] = $allow_gid;
1823 $item["deny_cid"] = $deny_cid;
1824 $item["deny_gid"] = $deny_gid;
1825 $item["private"] = $private;
1826 $item["deleted"] = $parent_deleted;
1828 // Fill the cache field
1829 self::putInCache($item);
1832 $item['edit'] = false;
1833 $item['parent'] = $parent_id;
1834 Hook::callAll('post_local', $item);
1835 unset($item['edit']);
1836 unset($item['parent']);
1838 Hook::callAll('post_remote', $item);
1841 // This array field is used to trigger some automatic reactions
1842 // It is mainly used in the "post_local" hook.
1843 unset($item['api_source']);
1845 if (!empty($item['cancel'])) {
1846 Logger::log('post cancelled by addon.');
1851 * Check for already added items.
1852 * There is a timing issue here that sometimes creates double postings.
1853 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1855 if ($item["uid"] == 0) {
1856 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1857 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1862 Logger::log('' . print_r($item,true), Logger::DATA);
1864 if (array_key_exists('tag', $item)) {
1865 $tags = $item['tag'];
1866 unset($item['tag']);
1871 if (array_key_exists('file', $item)) {
1872 $files = $item['file'];
1873 unset($item['file']);
1878 // Creates or assigns the permission set
1879 $item['psid'] = PermissionSet::getIdFromACL(
1887 $item['allow_cid'] = null;
1888 $item['allow_gid'] = null;
1889 $item['deny_cid'] = null;
1890 $item['deny_gid'] = null;
1892 // We are doing this outside of the transaction to avoid timing problems
1893 if (!self::insertActivity($item)) {
1894 self::insertContent($item);
1897 $delivery_data = ItemDeliveryData::extractFields($item);
1899 unset($item['postopts']);
1900 unset($item['inform']);
1902 // These fields aren't stored anymore in the item table, they are fetched upon request
1903 unset($item['author-link']);
1904 unset($item['author-name']);
1905 unset($item['author-avatar']);
1906 unset($item['author-network']);
1908 unset($item['owner-link']);
1909 unset($item['owner-name']);
1910 unset($item['owner-avatar']);
1912 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1915 $ret = DBA::insert('item', $item);
1917 // When the item was successfully stored we fetch the ID of the item.
1918 if (DBA::isResult($ret)) {
1919 $current_post = DBA::lastInsertId();
1921 // This can happen - for example - if there are locking timeouts.
1924 // Store the data into a spool file so that we can try again later.
1925 self::spool($orig_item);
1929 if ($current_post == 0) {
1930 // This is one of these error messages that never should occur.
1931 Logger::log("couldn't find created item - we better quit now.");
1936 // How much entries have we created?
1937 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1938 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1941 // There are duplicates. We delete our just created entry.
1942 Logger::notice('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid']]);
1944 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1945 DBA::delete('item', ['id' => $current_post]);
1948 } elseif ($entries == 0) {
1949 // This really should never happen since we quit earlier if there were problems.
1950 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1955 Logger::log('created item '.$current_post);
1957 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1958 $parent_id = $current_post;
1962 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1964 $item['id'] = $current_post;
1965 $item['parent'] = $parent_id;
1967 // update the commented timestamp on the parent
1968 // Only update "commented" if it is really a comment
1969 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1970 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1972 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1977 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1978 * We can check for this condition when we decode and encode the stuff again.
1980 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1981 $dsprsig->signature = base64_decode($dsprsig->signature);
1982 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1985 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1986 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1988 // The other fields are used by very old Friendica servers, so we currently store them differently
1989 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1990 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1994 if (!empty($diaspora_signed_text)) {
1995 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1998 if ($item['parent-uri'] === $item['uri']) {
1999 self::addThread($current_post);
2001 self::updateThread($parent_id);
2004 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
2005 ItemDeliveryData::insert($current_post, $delivery_data);
2011 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
2012 * This is not perfect - but a workable solution until we found the reason for the problem.
2014 if (!empty($tags)) {
2015 Term::insertFromTagFieldByItemId($current_post, $tags);
2018 if (!empty($files)) {
2019 Term::insertFromFileFieldByItemId($current_post, $files);
2022 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2023 if (self::tagDeliver($item['uid'], $current_post)) {
2024 // Get the user information for the logging
2025 $user = User::getById($uid);
2027 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2032 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2033 if (DBA::isResult($posted_item)) {
2035 Hook::callAll('post_local_end', $posted_item);
2037 Hook::callAll('post_remote_end', $posted_item);
2040 Logger::log('new item not found in DB, id ' . $current_post);
2044 if ($item['parent-uri'] === $item['uri']) {
2045 self::addShadow($current_post);
2047 self::addShadowPost($current_post);
2050 self::updateContact($item);
2052 UserItem::setNotification($current_post);
2054 check_user_notification($current_post);
2056 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2057 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2060 return $current_post;
2064 * Insert a new item content entry
2066 * @param array $item The item fields that are to be inserted
2068 * @throws \Exception
2070 private static function insertActivity(&$item)
2072 $activity_index = self::activityToIndex($item['verb']);
2074 if ($activity_index < 0) {
2078 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2080 // We just remove everything that is content
2081 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2082 unset($item[$field]);
2085 // To avoid timing problems, we are using locks.
2086 $locked = DI::lock()->acquire('item_insert_activity');
2088 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2091 // Do we already have this content?
2092 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2093 if (DBA::isResult($item_activity)) {
2094 $item['iaid'] = $item_activity['id'];
2095 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2096 } elseif (DBA::insert('item-activity', $fields)) {
2097 $item['iaid'] = DBA::lastInsertId();
2098 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2100 // This shouldn't happen.
2101 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2102 DI::lock()->release('item_insert_activity');
2106 DI::lock()->release('item_insert_activity');
2112 * Insert a new item content entry
2114 * @param array $item The item fields that are to be inserted
2115 * @throws \Exception
2117 private static function insertContent(&$item)
2119 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2121 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2122 if (isset($item[$field])) {
2123 $fields[$field] = $item[$field];
2124 unset($item[$field]);
2128 // To avoid timing problems, we are using locks.
2129 $locked = DI::lock()->acquire('item_insert_content');
2131 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2134 // Do we already have this content?
2135 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2136 if (DBA::isResult($item_content)) {
2137 $item['icid'] = $item_content['id'];
2138 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2139 } elseif (DBA::insert('item-content', $fields)) {
2140 $item['icid'] = DBA::lastInsertId();
2141 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2143 // This shouldn't happen.
2144 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2147 DI::lock()->release('item_insert_content');
2152 * Update existing item content entries
2154 * @param array $item The item fields that are to be changed
2155 * @param array $condition The condition for finding the item content entries
2157 * @throws \Exception
2159 private static function updateActivity($item, $condition)
2161 if (empty($item['verb'])) {
2164 $activity_index = self::activityToIndex($item['verb']);
2166 if ($activity_index < 0) {
2170 $fields = ['activity' => $activity_index];
2172 Logger::log('Update activity for ' . json_encode($condition));
2174 DBA::update('item-activity', $fields, $condition, true);
2180 * Update existing item content entries
2182 * @param array $item The item fields that are to be changed
2183 * @param array $condition The condition for finding the item content entries
2184 * @throws \Exception
2186 private static function updateContent($item, $condition)
2188 // We have to select only the fields from the "item-content" table
2190 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2191 if (isset($item[$field])) {
2192 $fields[$field] = $item[$field];
2196 if (empty($fields)) {
2197 // when there are no fields at all, just use the condition
2198 // This is to ensure that we always store content.
2199 $fields = $condition;
2202 Logger::log('Update content for ' . json_encode($condition));
2204 DBA::update('item-content', $fields, $condition, true);
2208 * Distributes public items to the receivers
2210 * @param integer $itemid Item ID that should be added
2211 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2212 * @throws \Exception
2214 public static function distribute($itemid, $signed_text = '')
2216 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2217 $parent = self::selectFirst(['owner-id'], $condition);
2218 if (!DBA::isResult($parent)) {
2222 // Only distribute public items from native networks
2223 $condition = ['id' => $itemid, 'uid' => 0,
2224 'network' => array_merge(Protocol::FEDERATED ,['']),
2225 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2226 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2227 if (!DBA::isResult($item)) {
2231 $origin = $item['origin'];
2234 unset($item['parent']);
2235 unset($item['mention']);
2236 unset($item['wall']);
2237 unset($item['origin']);
2238 unset($item['starred']);
2242 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2243 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2244 if (!DBA::isResult($owner)) {
2248 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2249 $contacts = DBA::select('contact', ['uid'], $condition);
2250 while ($contact = DBA::fetch($contacts)) {
2251 if ($contact['uid'] == 0) {
2255 $users[$contact['uid']] = $contact['uid'];
2257 DBA::close($contacts);
2259 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2260 $contacts = DBA::select('contact', ['uid'], $condition);
2261 while ($contact = DBA::fetch($contacts)) {
2262 if ($contact['uid'] == 0) {
2266 $users[$contact['uid']] = $contact['uid'];
2268 DBA::close($contacts);
2270 if (!empty($owner['alias'])) {
2271 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2272 $contacts = DBA::select('contact', ['uid'], $condition);
2273 while ($contact = DBA::fetch($contacts)) {
2274 if ($contact['uid'] == 0) {
2278 $users[$contact['uid']] = $contact['uid'];
2280 DBA::close($contacts);
2285 if ($item['uri'] != $item['parent-uri']) {
2286 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2287 while ($parent = self::fetch($parents)) {
2288 $users[$parent['uid']] = $parent['uid'];
2289 if ($parent['origin'] && !$origin) {
2290 $origin_uid = $parent['uid'];
2295 foreach ($users as $uid) {
2296 if ($origin_uid == $uid) {
2297 $item['diaspora_signed_text'] = $signed_text;
2299 self::storeForUser($itemid, $item, $uid);
2304 * Store public items for the receivers
2306 * @param integer $itemid Item ID that should be added
2307 * @param array $item The item entry that will be stored
2308 * @param integer $uid The user that will receive the item entry
2309 * @throws \Exception
2311 private static function storeForUser($itemid, $item, $uid)
2313 $item['uid'] = $uid;
2314 $item['origin'] = 0;
2316 if ($item['uri'] == $item['parent-uri']) {
2317 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2319 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2322 if (empty($item['contact-id'])) {
2323 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2324 if (!DBA::isResult($self)) {
2327 $item['contact-id'] = $self['id'];
2330 /// @todo Handling of "event-id"
2333 if ($item['uri'] == $item['parent-uri']) {
2334 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2335 if (DBA::isResult($contact)) {
2336 $notify = self::isRemoteSelf($contact, $item);
2340 $distributed = self::insert($item, false, $notify, true);
2342 if (!$distributed) {
2343 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2345 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2350 * Add a shadow entry for a given item id that is a thread starter
2352 * We store every public item entry additionally with the user id "0".
2353 * This is used for the community page and for the search.
2354 * It is planned that in the future we will store public item entries only once.
2356 * @param integer $itemid Item ID that should be added
2357 * @throws \Exception
2359 public static function addShadow($itemid)
2361 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2362 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2363 $item = self::selectFirst($fields, $condition);
2365 if (!DBA::isResult($item)) {
2369 // is it already a copy?
2370 if (($itemid == 0) || ($item['uid'] == 0)) {
2374 // Is it a visible public post?
2375 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2379 // is it an entry from a connector? Only add an entry for natively connected networks
2380 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2384 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2388 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2390 if (DBA::isResult($item)) {
2391 // Preparing public shadow (removing user specific data)
2394 unset($item['parent']);
2395 unset($item['wall']);
2396 unset($item['mention']);
2397 unset($item['origin']);
2398 unset($item['starred']);
2399 unset($item['postopts']);
2400 unset($item['inform']);
2401 if ($item['uri'] == $item['parent-uri']) {
2402 $item['contact-id'] = $item['owner-id'];
2404 $item['contact-id'] = $item['author-id'];
2407 $public_shadow = self::insert($item, false, false, true);
2409 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2414 * Add a shadow entry for a given item id that is a comment
2416 * This function does the same like the function above - but for comments
2418 * @param integer $itemid Item ID that should be added
2419 * @throws \Exception
2421 public static function addShadowPost($itemid)
2423 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2424 if (!DBA::isResult($item)) {
2428 // Is it a toplevel post?
2429 if ($item['id'] == $item['parent']) {
2430 self::addShadow($itemid);
2434 // Is this a shadow entry?
2435 if ($item['uid'] == 0) {
2439 // Is there a shadow parent?
2440 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2444 // Is there already a shadow entry?
2445 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2449 // Save "origin" and "parent" state
2450 $origin = $item['origin'];
2451 $parent = $item['parent'];
2453 // Preparing public shadow (removing user specific data)
2456 unset($item['parent']);
2457 unset($item['wall']);
2458 unset($item['mention']);
2459 unset($item['origin']);
2460 unset($item['starred']);
2461 unset($item['postopts']);
2462 unset($item['inform']);
2463 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2465 $public_shadow = self::insert($item, false, false, true);
2467 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2469 // If this was a comment to a Diaspora post we don't get our comment back.
2470 // This means that we have to distribute the comment by ourselves.
2471 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2472 self::distribute($public_shadow);
2477 * Adds a language specification in a "language" element of given $arr.
2478 * Expects "body" element to exist in $arr.
2481 * @throws \Text_LanguageDetect_Exception
2483 private static function addLanguageToItemArray(&$item)
2485 $naked_body = BBCode::toPlaintext($item['body'], false);
2487 $ld = new Text_LanguageDetect();
2488 $ld->setNameMode(2);
2489 $languages = $ld->detect($naked_body, 3);
2491 if (is_array($languages)) {
2492 $item['language'] = json_encode($languages);
2497 * Creates an unique guid out of a given uri
2499 * @param string $uri uri of an item entry
2500 * @param string $host hostname for the GUID prefix
2501 * @return string unique guid
2503 public static function guidFromUri($uri, $host)
2505 // Our regular guid routine is using this kind of prefix as well
2506 // We have to avoid that different routines could accidentally create the same value
2507 $parsed = parse_url($uri);
2509 // We use a hash of the hostname as prefix for the guid
2510 $guid_prefix = hash("crc32", $host);
2512 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2513 unset($parsed["scheme"]);
2515 // Glue it together to be able to make a hash from it
2516 $host_id = implode("/", $parsed);
2518 // We could use any hash algorithm since it isn't a security issue
2519 $host_hash = hash("ripemd128", $host_id);
2521 return $guid_prefix.$host_hash;
2525 * generate an unique URI
2527 * @param integer $uid User id
2528 * @param string $guid An existing GUID (Otherwise it will be generated)
2531 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2533 public static function newURI($uid, $guid = "")
2536 $guid = System::createUUID();
2539 return DI::baseUrl()->get() . '/objects/' . $guid;
2543 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2545 * This can be used to filter for inactive contacts.
2546 * Only do this for public postings to avoid privacy problems, since poco data is public.
2547 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2549 * @param array $arr Contains the just posted item record
2550 * @throws \Exception
2552 private static function updateContact($arr)
2554 // Unarchive the author
2555 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2556 if (DBA::isResult($contact)) {
2557 Contact::unmarkForArchival($contact);
2560 // Unarchive the contact if it's not our own contact
2561 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2562 if (DBA::isResult($contact)) {
2563 Contact::unmarkForArchival($contact);
2566 $update = (($arr['private'] != self::PRIVATE) && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2568 // Is it a forum? Then we don't care about the rules from above
2569 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2570 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2576 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2577 ['id' => $arr['contact-id']]);
2579 // Now do the same for the system wide contacts with uid=0
2580 if ($arr['private'] != self::PRIVATE) {
2581 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2582 ['id' => $arr['owner-id']]);
2584 if ($arr['owner-id'] != $arr['author-id']) {
2585 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2586 ['id' => $arr['author-id']]);
2591 public static function setHashtags(&$item)
2593 $tags = BBCode::getTags($item["body"]);
2596 if (!count($tags)) {
2600 // What happens in [code], stays in [code]!
2601 // escape the # and the [
2602 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2603 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2605 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2607 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2608 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2611 // This sorting is important when there are hashtags that are part of other hashtags
2612 // Otherwise there could be problems with hashtags like #test and #test2
2615 $URLSearchString = "^\[\]";
2617 // All hashtags should point to the home server if "local_tags" is activated
2618 if (DI::config()->get('system', 'local_tags')) {
2619 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2620 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2622 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2623 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2626 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2627 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2629 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2632 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2634 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2637 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2639 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2642 // Repair recursive urls
2643 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2644 "#$2", $item["body"]);
2646 foreach ($tags as $tag) {
2647 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2651 $basetag = str_replace('_',' ',substr($tag,1));
2652 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2654 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2656 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2657 if (strlen($item["tag"])) {
2658 $item["tag"] = ',' . $item["tag"];
2660 $item["tag"] = $newtag . $item["tag"];
2664 // Convert back the masked hashtags
2665 $item["body"] = str_replace("#", "#", $item["body"]);
2667 // Remember! What happens in [code], stays in [code]
2668 // roleback the # and [
2669 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2671 // we truly unESCape all sharp and leftsquarebracket
2672 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2673 $replace = ['#', '['];
2674 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2679 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2682 * @param int $item_id
2683 * @return boolean true if item was deleted, else false
2684 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2685 * @throws \ImagickException
2687 private static function tagDeliver($uid, $item_id)
2691 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2692 if (!DBA::isResult($user)) {
2696 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2697 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2699 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2700 if (!DBA::isResult($item)) {
2704 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2707 * Diaspora uses their own hardwired link URL in @-tags
2708 * instead of the one we supply with webfinger
2710 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2712 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2714 foreach ($matches as $mtch) {
2715 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2717 Logger::log('mention found: ' . $mtch[2]);
2723 if (($community_page || $prvgroup) &&
2724 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2725 Logger::notice('Delete private group/communiy top-level item without mention', ['id' => $item_id]);
2726 DBA::delete('item', ['id' => $item_id]);
2732 $arr = ['item' => $item, 'user' => $user];
2734 Hook::callAll('tagged', $arr);
2736 if (!$community_page && !$prvgroup) {
2741 * tgroup delivery - setup a second delivery chain
2742 * prevent delivery looping - only proceed
2743 * if the message originated elsewhere and is a top-level post
2745 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2749 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2750 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2751 if (!DBA::isResult($self)) {
2755 $owner_id = Contact::getIdForURL($self['url']);
2757 // also reset all the privacy bits to the forum default permissions
2759 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2761 $psid = PermissionSet::getIdFromACL(
2769 $forum_mode = ($prvgroup ? 2 : 1);
2771 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2772 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2773 self::update($fields, ['id' => $item_id]);
2775 self::updateThread($item_id);
2777 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2782 public static function isRemoteSelf($contact, &$datarray)
2784 if (!$contact['remote_self']) {
2788 // Prevent the forwarding of posts that are forwarded
2789 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2790 Logger::log('Already forwarded', Logger::DEBUG);
2794 // Prevent to forward already forwarded posts
2795 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2796 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2800 // Only forward posts
2801 if ($datarray["verb"] != Activity::POST) {
2802 Logger::log('No post', Logger::DEBUG);
2806 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2807 Logger::log('Not public', Logger::DEBUG);
2811 $datarray2 = $datarray;
2812 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2813 if ($contact['remote_self'] == 2) {
2814 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2815 ['uid' => $contact['uid'], 'self' => true]);
2816 if (DBA::isResult($self)) {
2817 $datarray['contact-id'] = $self["id"];
2819 $datarray['owner-name'] = $self["name"];
2820 $datarray['owner-link'] = $self["url"];
2821 $datarray['owner-avatar'] = $self["thumb"];
2823 $datarray['author-name'] = $datarray['owner-name'];
2824 $datarray['author-link'] = $datarray['owner-link'];
2825 $datarray['author-avatar'] = $datarray['owner-avatar'];
2827 unset($datarray['edited']);
2829 unset($datarray['network']);
2830 unset($datarray['owner-id']);
2831 unset($datarray['author-id']);
2834 if ($contact['network'] != Protocol::FEED) {
2835 $datarray["guid"] = System::createUUID();
2836 unset($datarray["plink"]);
2837 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2838 $datarray["parent-uri"] = $datarray["uri"];
2839 $datarray["thr-parent"] = $datarray["uri"];
2840 $datarray["extid"] = Protocol::DFRN;
2841 $urlpart = parse_url($datarray2['author-link']);
2842 $datarray["app"] = $urlpart["host"];
2844 $datarray['private'] = self::PUBLIC;
2848 if ($contact['network'] != Protocol::FEED) {
2849 // Store the original post
2850 $result = self::insert($datarray2, false, false);
2851 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2853 $datarray["app"] = "Feed";
2857 // Trigger automatic reactions for addons
2858 $datarray['api_source'] = true;
2860 // We have to tell the hooks who we are - this really should be improved
2861 $_SESSION["authenticated"] = true;
2862 $_SESSION["uid"] = $contact['uid'];
2871 * @param array $item
2874 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2875 * @throws \ImagickException
2877 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2879 if (DI::config()->get('system', 'disable_embedded')) {
2883 Logger::log('check for photos', Logger::DEBUG);
2884 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2889 $img_start = strpos($orig_body, '[img');
2890 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2891 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2893 while (($img_st_close !== false) && ($img_len !== false)) {
2894 $img_st_close++; // make it point to AFTER the closing bracket
2895 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2897 Logger::log('found photo ' . $image, Logger::DEBUG);
2899 if (stristr($image, $site . '/photo/')) {
2900 // Only embed locally hosted photos
2902 $i = basename($image);
2903 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2904 $x = strpos($i, '-');
2907 $res = substr($i, $x + 1);
2908 $i = substr($i, 0, $x);
2909 $photo = Photo::getPhotoForUser($uid, $i, $res);
2910 if (DBA::isResult($photo)) {
2912 * Check to see if we should replace this photo link with an embedded image
2913 * 1. No need to do so if the photo is public
2914 * 2. If there's a contact-id provided, see if they're in the access list
2915 * for the photo. If so, embed it.
2916 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2917 * permissions, regardless of order but first check to see if they're an exact
2918 * match to save some processing overhead.
2920 if (self::hasPermissions($photo)) {
2922 $recips = self::enumeratePermissions($photo);
2923 if (in_array($cid, $recips)) {
2927 if (self::samePermissions($uid, $item, $photo)) {
2933 $photo_img = Photo::getImageForPhoto($photo);
2934 // If a custom width and height were specified, apply before embedding
2935 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2936 Logger::log('scaling photo', Logger::DEBUG);
2938 $width = intval($match[1]);
2939 $height = intval($match[2]);
2941 $photo_img->scaleDown(max($width, $height));
2944 $data = $photo_img->asString();
2945 $type = $photo_img->getType();
2947 Logger::log('replacing photo', Logger::DEBUG);
2948 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2949 Logger::log('replaced: ' . $image, Logger::DATA);
2955 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2956 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2957 if ($orig_body === false) {
2961 $img_start = strpos($orig_body, '[img');
2962 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2963 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2966 $new_body = $new_body . $orig_body;
2971 private static function hasPermissions($obj)
2973 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2974 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2977 private static function samePermissions($uid, $obj1, $obj2)
2979 // first part is easy. Check that these are exactly the same.
2980 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2981 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2982 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2983 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2987 // This is harder. Parse all the permissions and compare the resulting set.
2988 $recipients1 = self::enumeratePermissions($obj1);
2989 $recipients2 = self::enumeratePermissions($obj2);
2993 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2994 return ($recipients1 == $recipients2);
2998 * Returns an array of contact-ids that are allowed to see this object
3000 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3001 * @param bool $check_dead Prunes unavailable contacts from the result
3003 * @throws \Exception
3005 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3007 $aclFormater = DI::aclFormatter();
3009 $allow_people = $aclFormater->expand($obj['allow_cid']);
3010 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3011 $deny_people = $aclFormater->expand($obj['deny_cid']);
3012 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3013 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3014 $deny = array_unique(array_merge($deny_people, $deny_groups));
3015 $recipients = array_diff($recipients, $deny);
3019 public static function getFeedTags($item)
3023 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3025 for ($x = 0; $x < $cnt; $x ++) {
3026 if ($matches[1][$x]) {
3027 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3032 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3034 for ($x = 0; $x < $cnt; $x ++) {
3035 if ($matches[1][$x]) {
3036 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3043 public static function expire($uid, $days, $network = "", $force = false)
3045 if (!$uid || ($days < 1)) {
3049 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3050 $uid, GRAVITY_PARENT];
3053 * $expire_network_only = save your own wall posts
3054 * and just expire conversations started by others
3056 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3058 if ($expire_network_only) {
3059 $condition[0] .= " AND NOT `wall`";
3062 if ($network != "") {
3063 $condition[0] .= " AND `network` = ?";
3064 $condition[] = $network;
3067 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3068 $condition[] = $days;
3070 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3072 if (!DBA::isResult($items)) {
3076 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3078 // Forcing expiring of items - but not notes and marked items
3080 $expire_items = true;
3083 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3084 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3085 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3089 while ($item = Item::fetch($items)) {
3090 // don't expire filed items
3092 if (strpos($item['file'], '[') !== false) {
3096 // Only expire posts, not photos and photo comments
3098 if (!$expire_photos && strlen($item['resource-id'])) {
3100 } elseif (!$expire_starred && intval($item['starred'])) {
3102 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3104 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3108 self::deleteById($item['id'], PRIORITY_LOW);
3113 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3116 public static function firstPostDate($uid, $wall = false)
3118 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3119 $params = ['order' => ['received' => false]];
3120 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3121 if (DBA::isResult($thread)) {
3122 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3128 * add/remove activity to an item
3130 * Toggle activities as like,dislike,attend of an item
3132 * @param string $item_id
3133 * @param string $verb
3134 * Activity verb. One of
3135 * like, unlike, dislike, undislike, attendyes, unattendyes,
3136 * attendno, unattendno, attendmaybe, unattendmaybe
3138 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3139 * @throws \ImagickException
3140 * @hook 'post_local_end'
3142 * 'post_id' => ID of posted item
3144 public static function performLike($item_id, $verb)
3146 if (!Session::isAuthenticated()) {
3153 $activity = Activity::LIKE;
3157 $activity = Activity::DISLIKE;
3161 $activity = Activity::ATTEND;
3165 $activity = Activity::ATTENDNO;
3168 case 'unattendmaybe':
3169 $activity = Activity::ATTENDMAYBE;
3173 $activity = Activity::FOLLOW;
3176 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3180 // Enable activity toggling instead of on/off
3181 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3183 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3185 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3186 if (!DBA::isResult($item)) {
3187 Logger::log('like: unknown item ' . $item_id);
3191 $item_uri = $item['uri'];
3193 $uid = $item['uid'];
3194 if (($uid == 0) && local_user()) {
3195 $uid = local_user();
3198 if (!Security::canWriteToUserWall($uid)) {
3199 Logger::log('like: unable to write on wall ' . $uid);
3203 // Retrieves the local post owner
3204 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3205 if (!DBA::isResult($owner_self_contact)) {
3206 Logger::log('like: unknown owner ' . $uid);
3210 // Retrieve the current logged in user's public contact
3211 $author_id = public_contact();
3213 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3214 if (!DBA::isResult($author_contact)) {
3215 Logger::log('like: unknown author ' . $author_id);
3219 // Contact-id is the uid-dependant author contact
3220 if (local_user() == $uid) {
3221 $item_contact_id = $owner_self_contact['id'];
3223 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3224 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3225 if (!DBA::isResult($item_contact)) {
3226 Logger::log('like: unknown item contact ' . $item_contact_id);
3231 // Look for an existing verb row
3232 // event participation are essentially radio toggles. If you make a subsequent choice,
3233 // we need to eradicate your first choice.
3234 if ($event_verb_flag) {
3235 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3237 // Translate to the index based activity index
3239 foreach ($verbs as $verb) {
3240 $activities[] = self::activityToIndex($verb);
3243 $activities = self::activityToIndex($activity);
3246 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3247 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3249 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3251 // If it exists, mark it as deleted
3252 if (DBA::isResult($like_item)) {
3253 self::deleteById($like_item['id']);
3255 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3260 // Verb is "un-something", just trying to delete existing entries
3261 if (strpos($verb, 'un') === 0) {
3265 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3268 'guid' => System::createUUID(),
3269 'uri' => self::newURI($item['uid']),
3270 'uid' => $item['uid'],
3271 'contact-id' => $item_contact_id,
3272 'wall' => $item['wall'],
3274 'network' => Protocol::DFRN,
3275 'gravity' => GRAVITY_ACTIVITY,
3276 'parent' => $item['id'],
3277 'parent-uri' => $item['uri'],
3278 'thr-parent' => $item['uri'],
3279 'owner-id' => $author_id,
3280 'author-id' => $author_id,
3281 'body' => $activity,
3282 'verb' => $activity,
3283 'object-type' => $objtype,
3284 'allow_cid' => $item['allow_cid'],
3285 'allow_gid' => $item['allow_gid'],
3286 'deny_cid' => $item['deny_cid'],
3287 'deny_gid' => $item['deny_gid'],
3292 $signed = Diaspora::createLikeSignature($uid, $new_item);
3293 if (!empty($signed)) {
3294 $new_item['diaspora_signed_text'] = json_encode($signed);
3297 $new_item_id = self::insert($new_item);
3299 // If the parent item isn't visible then set it to visible
3300 if (!$item['visible']) {
3301 self::update(['visible' => true], ['id' => $item['id']]);
3304 $new_item['id'] = $new_item_id;
3306 Hook::callAll('post_local_end', $new_item);
3311 private static function addThread($itemid, $onlyshadow = false)
3313 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3314 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3315 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3316 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3317 $item = self::selectFirst($fields, $condition);
3319 if (!DBA::isResult($item)) {
3323 $item['iid'] = $itemid;
3326 $result = DBA::insert('thread', $item);
3328 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3332 private static function updateThread($itemid, $setmention = false)
3334 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3335 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3336 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3337 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3339 $item = self::selectFirst($fields, $condition);
3340 if (!DBA::isResult($item)) {
3345 $item["mention"] = 1;
3350 foreach ($item as $field => $data) {
3351 if (!in_array($field, ["guid"])) {
3352 $fields[$field] = $data;
3356 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3358 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3361 private static function deleteThread($itemid, $itemuri = "")
3363 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3364 if (!DBA::isResult($item)) {
3365 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3369 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3371 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3373 if ($itemuri != "") {
3374 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3375 if (!self::exists($condition)) {
3376 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3377 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3382 public static function getPermissionsSQLByUserId($owner_id)
3384 $local_user = local_user();
3385 $remote_user = Session::getRemoteContactID($owner_id);
3388 * Construct permissions
3390 * default permissions - anonymous user
3392 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3394 // Profile owner - everything is visible
3395 if ($local_user && ($local_user == $owner_id)) {
3397 } elseif ($remote_user) {
3399 * Authenticated visitor. Unless pre-verified,
3400 * check that the contact belongs to this $owner_id
3401 * and load the groups the visitor belongs to.
3402 * If pre-verified, the caller is expected to have already
3403 * done this and passed the groups into this function.
3405 $set = PermissionSet::get($owner_id, $remote_user);
3408 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3413 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3420 * get translated item type
3425 public static function postType($item)
3427 if (!empty($item['event-id'])) {
3428 return DI::l10n()->t('event');
3429 } elseif (!empty($item['resource-id'])) {
3430 return DI::l10n()->t('photo');
3431 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3432 return DI::l10n()->t('activity');
3433 } elseif ($item['id'] != $item['parent']) {
3434 return DI::l10n()->t('comment');
3437 return DI::l10n()->t('post');
3441 * Sets the "rendered-html" field of the provided item
3443 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3445 * @param array $item
3446 * @param bool $update
3448 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3449 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3451 public static function putInCache(&$item, $update = false)
3453 $body = $item["body"];
3455 $rendered_hash = $item['rendered-hash'] ?? '';
3456 $rendered_html = $item['rendered-html'] ?? '';
3458 if ($rendered_hash == ''
3459 || $rendered_html == ""
3460 || $rendered_hash != hash("md5", $item["body"])
3461 || DI::config()->get("system", "ignore_cache")
3463 self::addRedirToImageTags($item);
3465 $item["rendered-html"] = BBCode::convert($item["body"]);
3466 $item["rendered-hash"] = hash("md5", $item["body"]);
3468 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3469 Hook::callAll('put_item_in_cache', $hook_data);
3470 $item['rendered-html'] = $hook_data['rendered-html'];
3471 $item['rendered-hash'] = $hook_data['rendered-hash'];
3474 // Force an update if the generated values differ from the existing ones
3475 if ($rendered_hash != $item["rendered-hash"]) {
3479 // Only compare the HTML when we forcefully ignore the cache
3480 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3484 if ($update && !empty($item["id"])) {
3487 'rendered-html' => $item["rendered-html"],
3488 'rendered-hash' => $item["rendered-hash"]
3490 ['id' => $item["id"]]
3495 $item["body"] = $body;
3499 * Find any non-embedded images in private items and add redir links to them
3501 * @param array &$item The field array of an item row
3503 private static function addRedirToImageTags(array &$item)
3508 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3510 foreach ($matches as $mtch) {
3511 if (strpos($mtch[1], '/redir') !== false) {
3515 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3516 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3517 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3524 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3525 * If attach is true, also add icons for item attachments.
3527 * @param array $item
3528 * @param boolean $attach
3529 * @param boolean $is_preview
3530 * @return string item body html
3531 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3532 * @throws \ImagickException
3533 * @hook prepare_body_init item array before any work
3534 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3535 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3536 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3538 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3541 Hook::callAll('prepare_body_init', $item);
3543 // In order to provide theme developers more possibilities, event items
3544 // are treated differently.
3545 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3546 $ev = Event::getItemHTML($item);
3550 $tags = Term::populateTagsFromItem($item);
3552 $item['tags'] = $tags['tags'];
3553 $item['hashtags'] = $tags['hashtags'];
3554 $item['mentions'] = $tags['mentions'];
3556 // Compile eventual content filter reasons
3557 $filter_reasons = [];
3558 if (!$is_preview && public_contact() != $item['author-id']) {
3559 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3560 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3565 'filter_reasons' => $filter_reasons
3567 Hook::callAll('prepare_body_content_filter', $hook_data);
3568 $filter_reasons = $hook_data['filter_reasons'];
3572 // Update the cached values if there is no "zrl=..." on the links.
3573 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3575 // Or update it if the current viewer is the intented viewer.
3576 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3580 self::putInCache($item, $update);
3581 $s = $item["rendered-html"];
3586 'preview' => $is_preview,
3587 'filter_reasons' => $filter_reasons
3589 Hook::callAll('prepare_body', $hook_data);
3590 $s = $hook_data['html'];
3594 // Replace the blockquotes with quotes that are used in mails.
3595 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3596 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3603 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3604 foreach ($matches as $mtch) {
3607 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3609 if (strpos($mime, 'video') !== false) {
3612 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3615 $url_parts = explode('/', $the_url);
3616 $id = end($url_parts);
3617 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3620 'title' => DI::l10n()->t('View Video'),
3627 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3629 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3630 $filesubtype = str_replace('.', '-', $filesubtype);
3633 $filesubtype = 'unkn';
3636 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3637 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3639 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3640 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3644 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3648 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3649 $x = Map::byCoordinates(trim($item['coord']));
3651 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3655 // Replace friendica image url size with theme preference.
3656 if (!empty($a->theme_info['item_image_size'])) {
3657 $ps = $a->theme_info['item_image_size'];
3658 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3661 $s = HTML::applyContentFilter($s, $filter_reasons);
3663 $hook_data = ['item' => $item, 'html' => $s];
3664 Hook::callAll('prepare_body_final', $hook_data);
3666 return $hook_data['html'];
3670 * get private link for item
3672 * @param array $item
3673 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3674 * @throws \Exception
3676 public static function getPlink($item)
3680 if ($a->user['nickname'] != "") {
3682 'href' => "display/" . $item['guid'],
3683 'orig' => "display/" . $item['guid'],
3684 'title' => DI::l10n()->t('View on separate page'),
3685 'orig_title' => DI::l10n()->t('view on separate page'),
3688 if (!empty($item['plink'])) {
3689 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3690 $ret["title"] = DI::l10n()->t('link to source');
3693 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3695 'href' => $item['plink'],
3696 'orig' => $item['plink'],
3697 'title' => DI::l10n()->t('link to source'),
3707 * Is the given item array a post that is sent as starting post to a forum?
3709 * @param array $item
3710 * @param array $owner
3712 * @return boolean "true" when it is a forum post
3714 public static function isForumPost(array $item, array $owner = [])
3716 if (empty($owner)) {
3717 $owner = User::getOwnerDataById($item['uid']);
3718 if (empty($owner)) {
3723 if (($item['author-id'] == $item['owner-id']) ||
3724 ($owner['id'] == $item['contact-id']) ||
3725 ($item['uri'] != $item['parent-uri']) ||
3730 return Contact::isForum($item['contact-id']);
3734 * Search item id for given URI or plink
3736 * @param string $uri
3737 * @param integer $uid
3739 * @return integer item id
3741 public static function searchByLink($uri, $uid = 0)
3743 $ssl_uri = str_replace('http://', 'https://', $uri);
3744 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3746 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3747 if (DBA::isResult($item)) {
3751 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3752 if (!DBA::isResult($itemcontent)) {
3756 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3757 if (!DBA::isResult($itemuri)) {
3761 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3762 if (DBA::isResult($item)) {
3770 * Return the URI for a link to the post
3772 * @param string $uri URI or link to post
3774 * @return string URI
3776 public static function getURIByLink(string $uri)
3778 $ssl_uri = str_replace('http://', 'https://', $uri);
3779 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3781 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3782 if (DBA::isResult($item)) {
3783 return $item['uri'];
3786 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3787 if (!DBA::isResult($itemcontent)) {
3791 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3792 if (DBA::isResult($itemuri)) {
3793 return $itemuri['uri'];
3800 * Fetches item for given URI or plink
3802 * @param string $uri
3803 * @param integer $uid
3805 * @return integer item id
3807 public static function fetchByLink($uri, $uid = 0)
3809 $item_id = self::searchByLink($uri, $uid);
3810 if (!empty($item_id)) {
3814 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3815 $item_id = self::searchByLink($fetched_uri, $uid);
3817 $item_id = Diaspora::fetchByURL($uri);
3820 if (!empty($item_id)) {
3828 * Return share data from an item array (if the item is shared item)
3829 * We are providing the complete Item array, because at some time in the future
3830 * we hopefully will define these values not in the body anymore but in some item fields.
3831 * This function is meant to replace all similar functions in the system.
3833 * @param array $item
3835 * @return array with share information
3837 public static function getShareArray($item)
3839 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3843 $attribute_string = $matches[2];
3844 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3845 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3846 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3847 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3854 * Fetch item information for shared items from the original items and adds it.
3856 * @param array $item
3858 * @return array item array with data from the original item
3860 public static function addShareDataFromOriginal($item)
3862 $shared = self::getShareArray($item);
3863 if (empty($shared)) {
3867 // Real reshares always have got a GUID.
3868 if (empty($shared['guid'])) {
3872 $uid = $item['uid'] ?? 0;
3874 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3875 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3876 if (!DBA::isResult($shared_item)) {
3877 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3878 $id = self::fetchByLink($shared['link'], $uid);
3880 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3884 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3885 if (!DBA::isResult($shared_item)) {
3888 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3890 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3893 if (!empty($shared_item['title'])) {
3894 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3895 unset($shared_item['title']);
3897 $body = $shared_item['body'];
3900 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3901 unset($shared_item['body']);
3903 return array_merge($item, $shared_item);