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\Model\Post\Category;
36 use Friendica\Protocol\Activity;
37 use Friendica\Protocol\ActivityPub;
38 use Friendica\Protocol\Diaspora;
39 use Friendica\Protocol\OStatus;
40 use Friendica\Util\DateTimeFormat;
41 use Friendica\Util\Map;
42 use Friendica\Util\Network;
43 use Friendica\Util\Security;
44 use Friendica\Util\Strings;
45 use Friendica\Util\XML;
46 use Friendica\Worker\Delivery;
47 use Text_LanguageDetect;
48 use Friendica\Repository\PermissionSet as RepPermissionSet;
52 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
59 const PT_DOCUMENT = 19;
61 const PT_PERSONAL_NOTE = 128;
63 // Field list that is used to display the items
64 const DISPLAY_FIELDLIST = [
65 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
66 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
67 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
68 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
69 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
70 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
71 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
72 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
73 'writable', 'self', 'cid', 'alias', 'pinned',
74 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
75 'event-summary', 'event-desc', 'event-location', 'event-type',
76 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
77 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed', 'activity'
80 // Field list that is used to deliver items via the protocols
81 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
82 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
83 'private', 'title', 'body', 'location', 'coord', 'app',
84 'attach', 'deleted', 'extid', 'post-type',
85 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
86 'author-id', 'author-link', 'owner-link', 'contact-uid',
87 'signed_text', 'signature', 'signer', 'network'];
89 // Field list for "item-content" table that is mixed with the item table
90 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
91 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
92 'object-type', 'object', 'target-type', 'target', 'plink'];
94 // Field list for "item-content" table that is not present in the "item" table
95 const CONTENT_FIELDLIST = ['language'];
97 // All fields in the item table
98 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
99 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
100 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
101 'created', 'edited', 'commented', 'received', 'changed', 'verb',
102 'postopts', 'plink', 'resource-id', 'event-id', 'attach', 'inform',
103 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
104 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
105 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
106 'title', 'content-warning', 'body', 'location', 'coord', 'app',
107 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
108 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
109 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
111 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
112 // The item-activity table only stores the index and needs this array to know the matching activity.
114 Activity::LIKE, Activity::DISLIKE,
115 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
123 private static $legacy_mode = null;
125 public static function isLegacyMode()
127 if (is_null(self::$legacy_mode)) {
128 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
131 return self::$legacy_mode;
135 * Set the pinned state of an item
137 * @param integer $iid Item ID
138 * @param integer $uid User ID
139 * @param boolean $pinned Pinned state
141 public static function setPinned(int $iid, int $uid, bool $pinned)
143 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
147 * Get the pinned state
149 * @param integer $iid Item ID
150 * @param integer $uid User ID
152 * @return boolean pinned state
154 public static function getPinned(int $iid, int $uid)
156 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
157 if (!DBA::isResult($useritem)) {
160 return (bool)$useritem['pinned'];
164 * Select pinned rows from the item table for a given user
166 * @param integer $uid User ID
167 * @param array $selected Array of selected fields, empty for all
168 * @param array $condition Array of fields for condition
169 * @param array $params Array of several parameters
171 * @return boolean|object
174 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
176 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
177 if (!DBA::isResult($useritems)) {
182 while ($useritem = DBA::fetch($useritems)) {
183 $pinned[] = $useritem['iid'];
185 DBA::close($useritems);
187 if (empty($pinned)) {
191 if (empty($condition) || !is_array($condition)) {
192 $condition = ['iid' => $pinned];
195 $first_key = key($condition);
196 if (!is_int($first_key)) {
197 $condition['iid'] = $pinned;
199 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
200 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
201 $condition = array_merge($condition, $pinned);
205 return self::selectThreadForUser($uid, $selected, $condition, $params);
209 * returns an activity index from an activity string
211 * @param string $activity activity string
212 * @return integer Activity index
214 public static function activityToIndex($activity)
216 $index = array_search($activity, self::ACTIVITIES);
218 if (is_bool($index)) {
226 * returns an activity string from an activity index
228 * @param integer $index activity index
229 * @return string Activity string
231 private static function indexToActivity($index)
233 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
237 return self::ACTIVITIES[$index];
241 * Fetch a single item row
243 * @param mixed $stmt statement object
244 * @return array current row
246 public static function fetch($stmt)
248 $row = DBA::fetch($stmt);
254 // ---------------------- Transform item structure data ----------------------
256 // We prefer the data from the user's contact over the public one
257 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
258 ($row['author-link'] == $row['contact-link'])) {
259 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
260 $row['author-avatar'] = $row['contact-avatar'];
262 if (isset($row['author-name']) && !empty($row['contact-name'])) {
263 $row['author-name'] = $row['contact-name'];
267 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
268 ($row['owner-link'] == $row['contact-link'])) {
269 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
270 $row['owner-avatar'] = $row['contact-avatar'];
272 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
273 $row['owner-name'] = $row['contact-name'];
277 // We can always comment on posts from these networks
278 if (array_key_exists('writable', $row) &&
279 in_array($row['internal-network'], Protocol::FEDERATED)) {
280 $row['writable'] = true;
283 // ---------------------- Transform item content data ----------------------
285 // Fetch data from the item-content table whenever there is content there
286 if (self::isLegacyMode()) {
287 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
288 foreach ($legacy_fields as $field) {
289 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
290 $row[$field] = $row['internal-item-' . $field];
292 unset($row['internal-item-' . $field]);
296 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
297 $row['verb'] = self::indexToActivity($row['internal-activity']);
298 if (array_key_exists('title', $row)) {
301 if (array_key_exists('body', $row)) {
302 $row['body'] = $row['verb'];
304 if (array_key_exists('object', $row)) {
307 if (array_key_exists('object-type', $row)) {
308 $row['object-type'] = Activity\ObjectType::NOTE;
310 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
311 // Posts don't have a target - but having tags or files.
312 // We safe some performance by building tag and file strings only here.
313 // We remove the target since they aren't used for this type.
314 // In mail posts we do store some mail header data in the object.
315 if (array_key_exists('target', $row)) {
320 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
321 // Build the file string out of the term entries
322 if (array_key_exists('file', $row) && empty($row['file'])) {
323 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
327 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
328 if (array_key_exists('allow_cid', $row)) {
329 $row['allow_cid'] = '';
331 if (array_key_exists('allow_gid', $row)) {
332 $row['allow_gid'] = '';
334 if (array_key_exists('deny_cid', $row)) {
335 $row['deny_cid'] = '';
337 if (array_key_exists('deny_gid', $row)) {
338 $row['deny_gid'] = '';
342 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
343 $row['ignored'] = $row['internal-user-ignored'];
346 // Remove internal fields
347 unset($row['internal-activity']);
348 unset($row['internal-network']);
349 unset($row['internal-uri-id']);
350 unset($row['internal-uid']);
351 unset($row['internal-psid']);
352 unset($row['internal-iaid']);
353 unset($row['internal-user-ignored']);
354 unset($row['interaction']);
360 * Fills an array with data from an item query
362 * @param object $stmt statement object
363 * @param bool $do_close
364 * @return array Data array
366 public static function inArray($stmt, $do_close = true) {
367 if (is_bool($stmt)) {
372 while ($row = self::fetch($stmt)) {
382 * Check if item data exists
384 * @param array $condition array of fields for condition
386 * @return boolean Are there rows for that condition?
389 public static function exists($condition) {
390 $stmt = self::select(['id'], $condition, ['limit' => 1]);
392 if (is_bool($stmt)) {
395 $retval = (DBA::numRows($stmt) > 0);
404 * Retrieve a single record from the item table for a given user and returns it in an associative array
406 * @param integer $uid User ID
407 * @param array $selected
408 * @param array $condition
409 * @param array $params
414 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
416 $params['uid'] = $uid;
418 if (empty($selected)) {
419 $selected = Item::DISPLAY_FIELDLIST;
422 return self::selectFirst($selected, $condition, $params);
426 * Select rows from the item table for a given user
428 * @param integer $uid User ID
429 * @param array $selected Array of selected fields, empty for all
430 * @param array $condition Array of fields for condition
431 * @param array $params Array of several parameters
433 * @return boolean|object
436 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
438 $params['uid'] = $uid;
440 if (empty($selected)) {
441 $selected = Item::DISPLAY_FIELDLIST;
444 return self::select($selected, $condition, $params);
448 * Retrieve a single record from the item table and returns it in an associative array
450 * @param array $fields
451 * @param array $condition
452 * @param array $params
457 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
459 $params['limit'] = 1;
461 $result = self::select($fields, $condition, $params);
463 if (is_bool($result)) {
466 $row = self::fetch($result);
473 * Select rows from the item table and returns them as an array
475 * @param array $selected Array of selected fields, empty for all
476 * @param array $condition Array of fields for condition
477 * @param array $params Array of several parameters
482 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
484 $result = self::select($fields, $condition, $params);
486 if (is_bool($result)) {
491 while ($row = self::fetch($result)) {
500 * Select rows from the item table
502 * @param array $selected Array of selected fields, empty for all
503 * @param array $condition Array of fields for condition
504 * @param array $params Array of several parameters
506 * @return boolean|object
509 public static function select(array $selected = [], array $condition = [], $params = [])
514 if (isset($params['uid'])) {
515 $uid = $params['uid'];
519 $fields = self::fieldlist($usermode);
521 $select_fields = self::constructSelectFields($fields, $selected);
523 $condition_string = DBA::buildCondition($condition);
525 $condition_string = self::addTablesToFields($condition_string, $fields);
528 $condition_string = $condition_string . ' AND ' . self::condition(false);
531 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
533 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
535 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
537 return DBA::p($sql, $condition);
541 * Select rows from the starting post in the item table
543 * @param integer $uid User ID
544 * @param array $selected
545 * @param array $condition Array of fields for condition
546 * @param array $params Array of several parameters
548 * @return boolean|object
551 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
553 $params['uid'] = $uid;
555 if (empty($selected)) {
556 $selected = Item::DISPLAY_FIELDLIST;
559 return self::selectThread($selected, $condition, $params);
563 * Retrieve a single record from the starting post in the item table and returns it in an associative array
565 * @param integer $uid User ID
566 * @param array $selected
567 * @param array $condition
568 * @param array $params
573 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
575 $params['uid'] = $uid;
577 if (empty($selected)) {
578 $selected = Item::DISPLAY_FIELDLIST;
581 return self::selectFirstThread($selected, $condition, $params);
585 * Retrieve a single record from the starting post in the item table and returns it in an associative array
587 * @param array $fields
588 * @param array $condition
589 * @param array $params
594 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
596 $params['limit'] = 1;
597 $result = self::selectThread($fields, $condition, $params);
599 if (is_bool($result)) {
602 $row = self::fetch($result);
609 * Select rows from the starting post in the item table
611 * @param array $selected Array of selected fields, empty for all
612 * @param array $condition Array of fields for condition
613 * @param array $params Array of several parameters
615 * @return boolean|object
618 public static function selectThread(array $selected = [], array $condition = [], $params = [])
623 if (isset($params['uid'])) {
624 $uid = $params['uid'];
628 $fields = self::fieldlist($usermode);
630 $fields['thread'] = ['mention', 'ignored', 'iid'];
632 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
633 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
634 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
635 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
637 $select_fields = self::constructSelectFields($fields, $selected);
639 $condition_string = DBA::buildCondition($condition);
641 $condition_string = self::addTablesToFields($condition_string, $threadfields);
642 $condition_string = self::addTablesToFields($condition_string, $fields);
645 $condition_string = $condition_string . ' AND ' . self::condition(true);
648 $param_string = DBA::buildParameter($params);
649 $param_string = self::addTablesToFields($param_string, $threadfields);
650 $param_string = self::addTablesToFields($param_string, $fields);
652 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
654 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
656 return DBA::p($sql, $condition);
660 * Returns a list of fields that are associated with the item table
663 * @return array field list
665 private static function fieldlist($usermode)
669 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
670 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
671 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
672 'created', 'edited', 'commented', 'received', 'changed', 'psid',
673 'resource-id', 'event-id', 'attach', 'post-type', 'file',
674 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
675 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
676 'id' => 'item_id', 'network', 'icid', 'iaid',
677 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
678 'network' => 'internal-network', 'iaid' => 'internal-iaid', 'psid' => 'internal-psid'];
681 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
684 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
686 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
688 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
690 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
692 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
693 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
695 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
696 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
698 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
699 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
700 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
702 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
704 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
706 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
707 'start' => 'event-start','finish' => 'event-finish',
708 'summary' => 'event-summary','desc' => 'event-desc',
709 'location' => 'event-location', 'type' => 'event-type',
710 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
711 'ignore' => 'event-ignore', 'id' => 'event-id'];
713 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
719 * Returns SQL condition for the "select" functions
721 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
723 * @return string SQL condition
725 private static function condition($thread_mode)
728 $master_table = "`thread`";
730 $master_table = "`item`";
732 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
733 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
734 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
735 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
736 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
737 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
738 GRAVITY_PARENT, GRAVITY_PARENT);
742 * Returns all needed "JOIN" commands for the "select" functions
744 * @param integer $uid User ID
745 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
746 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
749 * @return string The SQL joins for the "select" functions
751 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
754 $master_table = "`thread`";
755 $master_table_key = "`thread`.`iid`";
756 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
758 $master_table = "`item`";
759 $master_table_key = "`item`.`id`";
764 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
765 AND NOT `contact`.`blocked`
766 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
767 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
768 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
769 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
770 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
771 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
772 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
773 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
775 if (strpos($sql_commands, "`contact`.") !== false) {
776 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
778 if (strpos($sql_commands, "`author`.") !== false) {
779 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
781 if (strpos($sql_commands, "`owner`.") !== false) {
782 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
786 if (strpos($sql_commands, "`group_member`.") !== false) {
787 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
790 if (strpos($sql_commands, "`user`.") !== false) {
791 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
794 if (strpos($sql_commands, "`event`.") !== false) {
795 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
798 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
799 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
802 if (strpos($sql_commands, "`item-activity`.") !== false) {
803 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
806 if (strpos($sql_commands, "`item-content`.") !== false) {
807 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
810 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
811 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
814 if (strpos($sql_commands, "`permissionset`.") !== false) {
815 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
818 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
819 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
822 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
823 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
830 * Add the field list for the "select" functions
832 * @param array $fields The field definition array
833 * @param array $selected The array with the selected fields from the "select" functions
835 * @return string The field list
837 private static function constructSelectFields(array $fields, array $selected)
839 if (!empty($selected)) {
840 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-iaid', 'internal-network']);
843 if (in_array('verb', $selected)) {
844 $selected[] = 'internal-activity';
847 if (in_array('ignored', $selected)) {
848 $selected[] = 'internal-user-ignored';
851 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
854 foreach ($fields as $table => $table_fields) {
855 foreach ($table_fields as $field => $select) {
856 if (empty($selected) || in_array($select, $selected)) {
857 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
858 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
860 if (is_int($field)) {
861 $selection[] = "`" . $table . "`.`" . $select . "`";
863 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
868 return implode(", ", $selection);
872 * add table definition to fields in an SQL query
874 * @param string $query SQL query
875 * @param array $fields The field definition array
877 * @return string the changed SQL query
879 private static function addTablesToFields($query, $fields)
881 foreach ($fields as $table => $table_fields) {
882 foreach ($table_fields as $alias => $field) {
883 if (is_int($alias)) {
884 $replace_field = $field;
886 $replace_field = $alias;
889 $search = "/([^\.])`" . $field . "`/i";
890 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
891 $query = preg_replace($search, $replace, $query);
898 * Update existing item entries
900 * @param array $fields The fields that are to be changed
901 * @param array $condition The condition for finding the item entries
903 * In the future we may have to change permissions as well.
904 * Then we had to add the user id as third parameter.
906 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
908 * @return integer|boolean number of affected rows - or "false" if there was an error
909 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
911 public static function update(array $fields, array $condition)
913 if (empty($condition) || empty($fields)) {
917 // To ensure the data integrity we do it in an transaction
920 // We cannot simply expand the condition to check for origin entries
921 // The condition needn't to be a simple array but could be a complex condition.
922 // And we have to execute this query before the update to ensure to fetch the same data.
923 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'uid', 'file'], $condition);
925 $content_fields = [];
926 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
927 if (isset($fields[$field])) {
928 $content_fields[$field] = $fields[$field];
929 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
930 unset($fields[$field]);
932 $fields[$field] = null;
937 $delivery_data = Post\DeliveryData::extractFields($fields);
939 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
940 foreach ($clear_fields as $field) {
941 if (array_key_exists($field, $fields)) {
942 $fields[$field] = null;
946 if (array_key_exists('file', $fields)) {
947 $files = $fields['file'];
948 $fields['file'] = null;
953 if (!empty($fields)) {
954 $success = DBA::update('item', $fields, $condition);
963 // When there is no content for the "old" item table, this will count the fetched items
964 $rows = DBA::affectedRows();
968 while ($item = DBA::fetch($items)) {
969 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
970 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
972 if (empty($item['iaid'])) {
973 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
974 if (DBA::isResult($item_activity)) {
975 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
976 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
977 if (self::isLegacyMode()) {
978 $item_fields[$field] = null;
980 unset($item_fields[$field]);
983 DBA::update('item', $item_fields, ['id' => $item['id']]);
985 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
986 DBA::delete('item-content', ['id' => $item['icid']]);
989 } elseif (!empty($item['icid'])) {
990 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
992 if (!DBA::exists('item', ['icid' => $item['icid']])) {
993 DBA::delete('item-content', ['id' => $item['icid']]);
997 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
999 if (empty($item['icid'])) {
1000 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1001 if (DBA::isResult($item_content)) {
1002 $item_fields = ['icid' => $item_content['id']];
1003 // Clear all fields in the item table that have a content in the item-content table
1004 foreach ($item_content as $field => $content) {
1005 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1006 if (self::isLegacyMode()) {
1007 $item_fields[$field] = null;
1009 unset($item_fields[$field]);
1013 DBA::update('item', $item_fields, ['id' => $item['id']]);
1018 if (!is_null($files)) {
1019 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1020 if (!empty($item['file'])) {
1021 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1025 Post\DeliveryData::update($item['uri-id'], $delivery_data);
1027 self::updateThread($item['id']);
1029 // We only need to notfiy others when it is an original entry from us.
1030 // Only call the notifier when the item has some content relevant change.
1031 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1032 $notify_items[] = $item['id'];
1039 foreach ($notify_items as $notify_item) {
1040 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1047 * Delete an item and notify others about it - if it was ours
1049 * @param array $condition The condition for finding the item entries
1050 * @param integer $priority Priority for the notification
1051 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1053 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1055 $items = self::select(['id'], $condition);
1056 while ($item = self::fetch($items)) {
1057 self::markForDeletionById($item['id'], $priority);
1063 * Delete an item for an user and notify others about it - if it was ours
1065 * @param array $condition The condition for finding the item entries
1066 * @param integer $uid User who wants to delete this item
1067 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1069 public static function deleteForUser($condition, $uid)
1075 $items = self::select(['id', 'uid'], $condition);
1076 while ($item = self::fetch($items)) {
1077 // "Deleting" global items just means hiding them
1078 if ($item['uid'] == 0) {
1079 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1081 // Delete notifications
1082 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1083 } elseif ($item['uid'] == $uid) {
1084 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1086 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1093 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1095 * @param integer $item_id
1096 * @param integer $priority Priority for the notification
1098 * @return boolean success
1099 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1101 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1103 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1104 // locate item to be deleted
1105 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1106 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1107 'verb', 'object-type', 'object', 'target', 'contact-id',
1108 'icid', 'iaid', 'psid'];
1109 $item = self::selectFirst($fields, ['id' => $item_id]);
1110 if (!DBA::isResult($item)) {
1111 Logger::info('Item not found.', ['id' => $item_id]);
1115 if ($item['deleted']) {
1116 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1120 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1121 if (!DBA::isResult($parent)) {
1122 $parent = ['origin' => false];
1125 // clean up categories and tags so they don't end up as orphans
1128 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1131 foreach ($matches as $mtch) {
1132 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1138 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1141 foreach ($matches as $mtch) {
1142 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1147 * If item is a link to a photo resource, nuke all the associated photos
1148 * (visitors will not have photo resources)
1149 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1150 * generate a resource-id and therefore aren't intimately linked to the item.
1152 /// @TODO: this should first check if photo is used elsewhere
1153 if (strlen($item['resource-id'])) {
1154 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1157 // If item is a link to an event, delete the event.
1158 if (intval($item['event-id'])) {
1159 Event::delete($item['event-id']);
1162 // If item has attachments, drop them
1163 /// @TODO: this should first check if attachment is used elsewhere
1164 foreach (explode(",", $item['attach']) as $attach) {
1165 preg_match("|attach/(\d+)|", $attach, $matches);
1166 if (is_array($matches) && count($matches) > 1) {
1167 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1171 // Delete notifications
1172 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1174 // Set the item to "deleted"
1175 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1176 DBA::update('item', $item_fields, ['id' => $item['id']]);
1178 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1179 self::deleteThread($item['id'], $item['parent-uri']);
1181 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1182 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1185 Post\DeliveryData::delete($item['uri-id']);
1187 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1189 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1190 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1192 // When the permission set will be used in photo and events as well,
1193 // this query here needs to be extended.
1194 // @todo Currently deactivated. We need the permission set in the deletion process.
1195 // This is a reminder to add the removal somewhere else.
1196 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1197 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1200 // If it's the parent of a comment thread, kill all the kids
1201 if ($item['id'] == $item['parent']) {
1202 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1205 // Is it our comment and/or our thread?
1206 if ($item['origin'] || $parent['origin']) {
1207 // When we delete the original post we will delete all existing copies on the server as well
1208 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1210 // send the notification upstream/downstream
1211 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1212 } elseif ($item['uid'] != 0) {
1214 // When we delete just our local user copy of an item, we have to set a marker to hide it
1215 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1216 if (DBA::isResult($global_item)) {
1217 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1221 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1227 private static function guid($item, $notify)
1229 if (!empty($item['guid'])) {
1230 return Strings::escapeTags(trim($item['guid']));
1234 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1235 // We add the hash of our own host because our host is the original creator of the post.
1236 $prefix_host = DI::baseUrl()->getHostname();
1240 // We are only storing the post so we create a GUID from the original hostname.
1241 if (!empty($item['author-link'])) {
1242 $parsed = parse_url($item['author-link']);
1243 if (!empty($parsed['host'])) {
1244 $prefix_host = $parsed['host'];
1248 if (empty($prefix_host) && !empty($item['plink'])) {
1249 $parsed = parse_url($item['plink']);
1250 if (!empty($parsed['host'])) {
1251 $prefix_host = $parsed['host'];
1255 if (empty($prefix_host) && !empty($item['uri'])) {
1256 $parsed = parse_url($item['uri']);
1257 if (!empty($parsed['host'])) {
1258 $prefix_host = $parsed['host'];
1262 // Is it in the format data@host.tld? - Used for mail contacts
1263 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1264 $mailparts = explode('@', $item['author-link']);
1265 $prefix_host = array_pop($mailparts);
1269 if (!empty($item['plink'])) {
1270 $guid = self::guidFromUri($item['plink'], $prefix_host);
1271 } elseif (!empty($item['uri'])) {
1272 $guid = self::guidFromUri($item['uri'], $prefix_host);
1274 $guid = System::createUUID(hash('crc32', $prefix_host));
1280 private static function contactId($item)
1282 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1283 return $item['contact-id'];
1284 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1285 return $item['contact-id'];
1286 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1287 return $item['author-id'];
1288 } elseif (!empty($item['contact-id'])) {
1289 return $item['contact-id'];
1291 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1292 if (!empty($contact_id)) {
1296 return $item['author-id'];
1299 // This function will finally cover most of the preparation functionality in mod/item.php
1300 public static function prepare(&$item)
1303 * @TODO: Unused code triggering inspection errors
1305 $data = BBCode::getAttachmentData($item['body']);
1306 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1307 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1308 $posttype = Item::PT_PAGE;
1309 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1315 * Write an item array into a spool file to be inserted later.
1316 * This command is called whenever there are issues storing an item.
1318 * @param array $item The item fields that are to be inserted
1319 * @throws \Exception
1321 private static function spool($orig_item)
1323 // Now we store the data in the spool directory
1324 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1325 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1327 $spoolpath = get_spoolpath();
1328 if ($spoolpath != "") {
1329 $spool = $spoolpath . '/' . $file;
1331 file_put_contents($spool, json_encode($orig_item));
1332 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1336 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1340 $priority = PRIORITY_HIGH;
1342 // If it is a posting where users should get notifications, then define it as wall posting
1345 $item['origin'] = 1;
1346 $item['network'] = Protocol::DFRN;
1347 $item['protocol'] = Conversation::PARCEL_DFRN;
1349 if (is_int($notify)) {
1350 $priority = $notify;
1353 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1356 $item['guid'] = self::guid($item, $notify);
1357 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1360 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1362 // Store conversation data
1363 $item = Conversation::insert($item);
1366 * If a Diaspora signature structure was passed in, pull it out of the
1367 * item array and set it aside for later storage.
1371 if (isset($item['dsprsig'])) {
1372 $encoded_signature = $item['dsprsig'];
1373 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1374 unset($item['dsprsig']);
1377 $diaspora_signed_text = '';
1378 if (isset($item['diaspora_signed_text'])) {
1379 $diaspora_signed_text = $item['diaspora_signed_text'];
1380 unset($item['diaspora_signed_text']);
1383 // Converting the plink
1384 /// @TODO Check if this is really still needed
1385 if ($item['network'] == Protocol::OSTATUS) {
1386 if (isset($item['plink'])) {
1387 $item['plink'] = OStatus::convertHref($item['plink']);
1388 } elseif (isset($item['uri'])) {
1389 $item['plink'] = OStatus::convertHref($item['uri']);
1393 if (!empty($item['thr-parent'])) {
1394 $item['parent-uri'] = $item['thr-parent'];
1397 $activity = DI::activity();
1399 if (isset($item['gravity'])) {
1400 $item['gravity'] = intval($item['gravity']);
1401 } elseif ($item['parent-uri'] === $item['uri']) {
1402 $item['gravity'] = GRAVITY_PARENT;
1403 } elseif ($activity->match($item['verb'], Activity::POST)) {
1404 $item['gravity'] = GRAVITY_COMMENT;
1405 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1406 $item['gravity'] = GRAVITY_ACTIVITY;
1408 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1409 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1412 $uid = intval($item['uid']);
1414 // check for create date and expire time
1415 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1417 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1418 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1419 $expire_interval = $user['expire'];
1422 if (($expire_interval > 0) && !empty($item['created'])) {
1423 $expire_date = time() - ($expire_interval * 86400);
1424 $created_date = strtotime($item['created']);
1425 if ($created_date < $expire_date) {
1426 Logger::notice('Item created before expiration interval.', [
1427 'created' => date('c', $created_date),
1428 'expired' => date('c', $expire_date),
1436 * Do we already have this item?
1437 * We have to check several networks since Friendica posts could be repeated
1438 * via OStatus (maybe Diasporsa as well)
1440 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1441 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1442 trim($item['uri']), $item['uid'],
1443 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1444 $existing = self::selectFirst(['id', 'network'], $condition);
1445 if (DBA::isResult($existing)) {
1446 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1448 Logger::notice('Item already existed for user', [
1449 'uri' => $item['uri'],
1451 'network' => $item['network'],
1452 'existing_id' => $existing["id"],
1453 'existing_network' => $existing["network"]
1457 return $existing["id"];
1461 $item['wall'] = intval($item['wall'] ?? 0);
1462 $item['extid'] = trim($item['extid'] ?? '');
1463 $item['author-name'] = trim($item['author-name'] ?? '');
1464 $item['author-link'] = trim($item['author-link'] ?? '');
1465 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1466 $item['owner-name'] = trim($item['owner-name'] ?? '');
1467 $item['owner-link'] = trim($item['owner-link'] ?? '');
1468 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1469 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1470 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1471 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1472 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1473 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1474 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1475 $item['location'] = trim($item['location'] ?? '');
1476 $item['coord'] = trim($item['coord'] ?? '');
1477 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1478 $item['deleted'] = 0;
1479 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1480 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1481 $item['verb'] = trim($item['verb'] ?? '');
1482 $item['object-type'] = trim($item['object-type'] ?? '');
1483 $item['object'] = trim($item['object'] ?? '');
1484 $item['target-type'] = trim($item['target-type'] ?? '');
1485 $item['target'] = trim($item['target'] ?? '');
1486 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1487 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1488 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1489 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1490 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1491 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1492 $item['body'] = trim($item['body'] ?? '');
1493 $item['attach'] = trim($item['attach'] ?? '');
1494 $item['app'] = trim($item['app'] ?? '');
1495 $item['origin'] = intval($item['origin'] ?? 0);
1496 $item['postopts'] = trim($item['postopts'] ?? '');
1497 $item['resource-id'] = trim($item['resource-id'] ?? '');
1498 $item['event-id'] = intval($item['event-id'] ?? 0);
1499 $item['inform'] = trim($item['inform'] ?? '');
1500 $item['file'] = trim($item['file'] ?? '');
1502 // When there is no content then we don't post it
1503 if ($item['body'].$item['title'] == '') {
1504 Logger::notice('No body, no title.');
1508 self::addLanguageToItemArray($item);
1510 // Items cannot be stored before they happen ...
1511 if ($item['created'] > DateTimeFormat::utcNow()) {
1512 $item['created'] = DateTimeFormat::utcNow();
1515 // We haven't invented time travel by now.
1516 if ($item['edited'] > DateTimeFormat::utcNow()) {
1517 $item['edited'] = DateTimeFormat::utcNow();
1520 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1522 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1523 'photo' => $item['author-avatar'], 'network' => $item['network']];
1525 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1527 if (Contact::isBlocked($item['author-id'])) {
1528 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1532 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1533 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1537 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1538 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1542 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1543 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1545 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1547 if (Contact::isBlocked($item['owner-id'])) {
1548 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1552 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1553 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1557 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1558 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1562 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1563 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1564 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1568 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1569 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1573 // We don't store the causer, we only have it here for the checks above
1574 unset($item['causer-id']);
1575 unset($item['causer-link']);
1577 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1578 $item["contact-id"] = self::contactId($item);
1580 if ($item['network'] == Protocol::PHANTOM) {
1581 $item['network'] = Protocol::DFRN;
1582 Logger::notice('Missing network, setting to {network}.', [
1583 'uri' => $item["uri"],
1584 'network' => $item['network'],
1585 'callstack' => System::callstack()
1589 // Checking if there is already an item with the same guid
1590 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1591 if (self::exists($condition)) {
1592 Logger::notice('Found already existing item', [
1593 'guid' => $item['guid'],
1594 'uid' => $item['uid'],
1595 'network' => $item['network']
1600 if ($item['verb'] == Activity::FOLLOW) {
1601 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1602 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1603 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1607 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1608 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1609 if (self::exists($condition)) {
1610 // It happens that we receive multiple follow requests by the same author - we only store one.
1611 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1616 // Check for hashtags in the body and repair or add hashtag links
1617 self::setHashtags($item);
1619 // Store tags from the body if this hadn't been handled previously in the protocol classes
1620 if (!Tag::existsForPost($item['uri-id'])) {
1621 Tag::storeFromBody($item['uri-id'], $item['body']);
1624 $item['thr-parent'] = $item['parent-uri'];
1626 $notify_type = Delivery::POST;
1632 if ($item['parent-uri'] === $item['uri']) {
1634 $parent_deleted = 0;
1635 $allow_cid = $item['allow_cid'];
1636 $allow_gid = $item['allow_gid'];
1637 $deny_cid = $item['deny_cid'];
1638 $deny_gid = $item['deny_gid'];
1640 // find the parent and snarf the item id and ACLs
1641 // and anything else we need to inherit
1643 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1644 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1645 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1646 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1647 $params = ['order' => ['id' => false]];
1648 $parent = self::selectFirst($fields, $condition, $params);
1650 if (DBA::isResult($parent)) {
1651 // is the new message multi-level threaded?
1652 // even though we don't support it now, preserve the info
1653 // and re-attach to the conversation parent.
1655 if ($parent['uri'] != $parent['parent-uri']) {
1656 $item['parent-uri'] = $parent['parent-uri'];
1658 $condition = ['uri' => $item['parent-uri'],
1659 'parent-uri' => $item['parent-uri'],
1660 'uid' => $item['uid']];
1661 $params = ['order' => ['id' => false]];
1662 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1664 if (DBA::isResult($toplevel_parent)) {
1665 $parent = $toplevel_parent;
1669 $parent_id = $parent['id'];
1670 $parent_deleted = $parent['deleted'];
1671 $allow_cid = $parent['allow_cid'];
1672 $allow_gid = $parent['allow_gid'];
1673 $deny_cid = $parent['deny_cid'];
1674 $deny_gid = $parent['deny_gid'];
1676 // Don't federate received participation messages
1677 if ($item['verb'] != Activity::FOLLOW) {
1678 $item['wall'] = $parent['wall'];
1680 $item['wall'] = false;
1684 * If the parent is private, force privacy for the entire conversation
1685 * This differs from the above settings as it subtly allows comments from
1686 * email correspondents to be private even if the overall thread is not.
1688 if ($parent['private']) {
1689 $item['private'] = $parent['private'];
1693 * Edge case. We host a public forum that was originally posted to privately.
1694 * The original author commented, but as this is a comment, the permissions
1695 * weren't fixed up so it will still show the comment as private unless we fix it here.
1697 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1698 $item['private'] = self::PUBLIC;
1701 // If its a post that originated here then tag the thread as "mention"
1702 if ($item['origin'] && $item['uid']) {
1703 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1704 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1707 // Update the contact relations
1708 if ($item['author-id'] != $parent['author-id']) {
1709 DBA::update('contact-relation', ['last-interaction' => $item['created']], ['cid' => $parent['author-id'], 'relation-cid' => $item['author-id']], true);
1713 * Allow one to see reply tweets from status.net even when
1714 * we don't have or can't see the original post.
1716 if ($force_parent) {
1717 Logger::log('$force_parent=true, reply converted to top-level post.');
1719 $item['parent-uri'] = $item['uri'];
1720 $item['gravity'] = GRAVITY_PARENT;
1722 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1726 $parent_deleted = 0;
1730 if (stristr($item['verb'], Activity::POKE)) {
1731 $notify_type = Delivery::POKE;
1734 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1735 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1737 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1738 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1739 if (self::exists($condition)) {
1740 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1744 // On Friendica and Diaspora the GUID is unique
1745 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1746 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1747 if (self::exists($condition)) {
1748 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1751 } elseif ($item['network'] == Protocol::OSTATUS) {
1752 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1753 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1754 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1755 if (self::exists($condition)) {
1756 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1761 // Is this item available in the global items (with uid=0)?
1762 if ($item["uid"] == 0) {
1763 $item["global"] = true;
1765 // Set the global flag on all items if this was a global item entry
1766 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1768 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1772 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1773 $private = self::PRIVATE;
1775 $private = $item['private'];
1778 $item["allow_cid"] = $allow_cid;
1779 $item["allow_gid"] = $allow_gid;
1780 $item["deny_cid"] = $deny_cid;
1781 $item["deny_gid"] = $deny_gid;
1782 $item["private"] = $private;
1783 $item["deleted"] = $parent_deleted;
1785 // Fill the cache field
1786 self::putInCache($item);
1789 $item['edit'] = false;
1790 $item['parent'] = $parent_id;
1791 Hook::callAll('post_local', $item);
1792 unset($item['edit']);
1793 unset($item['parent']);
1795 Hook::callAll('post_remote', $item);
1798 // This array field is used to trigger some automatic reactions
1799 // It is mainly used in the "post_local" hook.
1800 unset($item['api_source']);
1802 if (!empty($item['cancel'])) {
1803 Logger::log('post cancelled by addon.');
1808 * Check for already added items.
1809 * There is a timing issue here that sometimes creates double postings.
1810 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1812 if ($item["uid"] == 0) {
1813 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1814 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1819 Logger::log('' . print_r($item,true), Logger::DATA);
1821 if (array_key_exists('file', $item)) {
1822 $files = $item['file'];
1823 unset($item['file']);
1828 // Creates or assigns the permission set
1829 $item['psid'] = PermissionSet::getIdFromACL(
1837 $item['allow_cid'] = null;
1838 $item['allow_gid'] = null;
1839 $item['deny_cid'] = null;
1840 $item['deny_gid'] = null;
1842 // We are doing this outside of the transaction to avoid timing problems
1843 if (!self::insertActivity($item)) {
1844 self::insertContent($item);
1847 $delivery_data = Post\DeliveryData::extractFields($item);
1849 unset($item['postopts']);
1850 unset($item['inform']);
1852 // These fields aren't stored anymore in the item table, they are fetched upon request
1853 unset($item['author-link']);
1854 unset($item['author-name']);
1855 unset($item['author-avatar']);
1856 unset($item['author-network']);
1858 unset($item['owner-link']);
1859 unset($item['owner-name']);
1860 unset($item['owner-avatar']);
1862 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1865 $ret = DBA::insert('item', $item);
1867 // When the item was successfully stored we fetch the ID of the item.
1868 if (DBA::isResult($ret)) {
1869 $current_post = DBA::lastInsertId();
1871 // This can happen - for example - if there are locking timeouts.
1874 // Store the data into a spool file so that we can try again later.
1875 self::spool($orig_item);
1879 if ($current_post == 0) {
1880 // This is one of these error messages that never should occur.
1881 Logger::log("couldn't find created item - we better quit now.");
1886 // How much entries have we created?
1887 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1888 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1891 // There are duplicates. We delete our just created entry.
1892 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1894 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1895 DBA::delete('item', ['id' => $current_post]);
1898 } elseif ($entries == 0) {
1899 // This really should never happen since we quit earlier if there were problems.
1900 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1905 Logger::log('created item '.$current_post);
1907 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1908 $parent_id = $current_post;
1912 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1914 $item['id'] = $current_post;
1915 $item['parent'] = $parent_id;
1917 // update the commented timestamp on the parent
1918 // Only update "commented" if it is really a comment
1919 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1920 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1922 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1927 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1928 * We can check for this condition when we decode and encode the stuff again.
1930 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1931 $dsprsig->signature = base64_decode($dsprsig->signature);
1932 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1935 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1936 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1940 if (!empty($diaspora_signed_text)) {
1941 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1944 if ($item['parent-uri'] === $item['uri']) {
1945 self::addThread($current_post);
1947 self::updateThread($parent_id);
1950 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1951 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1957 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1958 * This is not perfect - but a workable solution until we found the reason for the problem.
1960 if (!empty($files)) {
1961 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1964 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1965 if (self::tagDeliver($item['uid'], $current_post)) {
1966 // Get the user information for the logging
1967 $user = User::getById($uid);
1969 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1974 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1975 if (DBA::isResult($posted_item)) {
1977 Hook::callAll('post_local_end', $posted_item);
1979 Hook::callAll('post_remote_end', $posted_item);
1982 Logger::log('new item not found in DB, id ' . $current_post);
1986 if ($item['parent-uri'] === $item['uri']) {
1987 self::addShadow($current_post);
1989 self::addShadowPost($current_post);
1992 self::updateContact($item);
1994 UserItem::setNotification($current_post);
1996 check_user_notification($current_post);
1998 $transmit = $notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']));
2001 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
2002 // Don't relay participation messages
2003 if (($transmit_item['verb'] == Activity::FOLLOW) &&
2004 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
2005 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2011 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2014 return $current_post;
2018 * Insert a new item content entry
2020 * @param array $item The item fields that are to be inserted
2022 * @throws \Exception
2024 private static function insertActivity(&$item)
2026 $activity_index = self::activityToIndex($item['verb']);
2028 if ($activity_index < 0) {
2032 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2034 // We just remove everything that is content
2035 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2036 unset($item[$field]);
2039 // To avoid timing problems, we are using locks.
2040 $locked = DI::lock()->acquire('item_insert_activity');
2042 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2045 // Do we already have this content?
2046 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2047 if (DBA::isResult($item_activity)) {
2048 $item['iaid'] = $item_activity['id'];
2049 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2050 } elseif (DBA::insert('item-activity', $fields)) {
2051 $item['iaid'] = DBA::lastInsertId();
2052 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2054 // This shouldn't happen.
2055 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2056 DI::lock()->release('item_insert_activity');
2060 DI::lock()->release('item_insert_activity');
2066 * Insert a new item content entry
2068 * @param array $item The item fields that are to be inserted
2069 * @throws \Exception
2071 private static function insertContent(&$item)
2073 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2075 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2076 if (isset($item[$field])) {
2077 $fields[$field] = $item[$field];
2078 unset($item[$field]);
2082 // To avoid timing problems, we are using locks.
2083 $locked = DI::lock()->acquire('item_insert_content');
2085 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2088 // Do we already have this content?
2089 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2090 if (DBA::isResult($item_content)) {
2091 $item['icid'] = $item_content['id'];
2092 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2093 } elseif (DBA::insert('item-content', $fields)) {
2094 $item['icid'] = DBA::lastInsertId();
2095 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2097 // This shouldn't happen.
2098 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2101 DI::lock()->release('item_insert_content');
2106 * Update existing item content entries
2108 * @param array $item The item fields that are to be changed
2109 * @param array $condition The condition for finding the item content entries
2111 * @throws \Exception
2113 private static function updateActivity($item, $condition)
2115 if (empty($item['verb'])) {
2118 $activity_index = self::activityToIndex($item['verb']);
2120 if ($activity_index < 0) {
2124 $fields = ['activity' => $activity_index];
2126 Logger::log('Update activity for ' . json_encode($condition));
2128 DBA::update('item-activity', $fields, $condition, true);
2134 * Update existing item content entries
2136 * @param array $item The item fields that are to be changed
2137 * @param array $condition The condition for finding the item content entries
2138 * @throws \Exception
2140 private static function updateContent($item, $condition)
2142 // We have to select only the fields from the "item-content" table
2144 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2145 if (isset($item[$field])) {
2146 $fields[$field] = $item[$field];
2150 if (empty($fields)) {
2151 // when there are no fields at all, just use the condition
2152 // This is to ensure that we always store content.
2153 $fields = $condition;
2156 Logger::log('Update content for ' . json_encode($condition));
2158 DBA::update('item-content', $fields, $condition, true);
2162 * Distributes public items to the receivers
2164 * @param integer $itemid Item ID that should be added
2165 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2166 * @throws \Exception
2168 public static function distribute($itemid, $signed_text = '')
2170 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2171 $parent = self::selectFirst(['owner-id'], $condition);
2172 if (!DBA::isResult($parent)) {
2176 // Only distribute public items from native networks
2177 $condition = ['id' => $itemid, 'uid' => 0,
2178 'network' => array_merge(Protocol::FEDERATED ,['']),
2179 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2180 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2181 if (!DBA::isResult($item)) {
2185 $origin = $item['origin'];
2188 unset($item['parent']);
2189 unset($item['mention']);
2190 unset($item['wall']);
2191 unset($item['origin']);
2192 unset($item['starred']);
2196 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2197 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2198 if (!DBA::isResult($owner)) {
2202 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2203 $contacts = DBA::select('contact', ['uid'], $condition);
2204 while ($contact = DBA::fetch($contacts)) {
2205 if ($contact['uid'] == 0) {
2209 $users[$contact['uid']] = $contact['uid'];
2211 DBA::close($contacts);
2213 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2214 $contacts = DBA::select('contact', ['uid'], $condition);
2215 while ($contact = DBA::fetch($contacts)) {
2216 if ($contact['uid'] == 0) {
2220 $users[$contact['uid']] = $contact['uid'];
2222 DBA::close($contacts);
2224 if (!empty($owner['alias'])) {
2225 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2226 $contacts = DBA::select('contact', ['uid'], $condition);
2227 while ($contact = DBA::fetch($contacts)) {
2228 if ($contact['uid'] == 0) {
2232 $users[$contact['uid']] = $contact['uid'];
2234 DBA::close($contacts);
2239 if ($item['uri'] != $item['parent-uri']) {
2240 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2241 while ($parent = self::fetch($parents)) {
2242 $users[$parent['uid']] = $parent['uid'];
2243 if ($parent['origin'] && !$origin) {
2244 $origin_uid = $parent['uid'];
2249 foreach ($users as $uid) {
2250 if ($origin_uid == $uid) {
2251 $item['diaspora_signed_text'] = $signed_text;
2253 self::storeForUser($itemid, $item, $uid);
2258 * Store public items for the receivers
2260 * @param integer $itemid Item ID that should be added
2261 * @param array $item The item entry that will be stored
2262 * @param integer $uid The user that will receive the item entry
2263 * @throws \Exception
2265 private static function storeForUser($itemid, $item, $uid)
2267 $item['uid'] = $uid;
2268 $item['origin'] = 0;
2270 if ($item['uri'] == $item['parent-uri']) {
2271 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2273 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2276 if (empty($item['contact-id'])) {
2277 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2278 if (!DBA::isResult($self)) {
2281 $item['contact-id'] = $self['id'];
2284 /// @todo Handling of "event-id"
2287 if ($item['uri'] == $item['parent-uri']) {
2288 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2289 if (DBA::isResult($contact)) {
2290 $notify = self::isRemoteSelf($contact, $item);
2294 $distributed = self::insert($item, false, $notify, true);
2296 if (!$distributed) {
2297 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2299 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2304 * Add a shadow entry for a given item id that is a thread starter
2306 * We store every public item entry additionally with the user id "0".
2307 * This is used for the community page and for the search.
2308 * It is planned that in the future we will store public item entries only once.
2310 * @param integer $itemid Item ID that should be added
2311 * @throws \Exception
2313 public static function addShadow($itemid)
2315 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2316 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2317 $item = self::selectFirst($fields, $condition);
2319 if (!DBA::isResult($item)) {
2323 // is it already a copy?
2324 if (($itemid == 0) || ($item['uid'] == 0)) {
2328 // Is it a visible public post?
2329 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2333 // is it an entry from a connector? Only add an entry for natively connected networks
2334 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2338 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2342 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2344 if (DBA::isResult($item)) {
2345 // Preparing public shadow (removing user specific data)
2348 unset($item['parent']);
2349 unset($item['wall']);
2350 unset($item['mention']);
2351 unset($item['origin']);
2352 unset($item['starred']);
2353 unset($item['postopts']);
2354 unset($item['inform']);
2355 if ($item['uri'] == $item['parent-uri']) {
2356 $item['contact-id'] = $item['owner-id'];
2358 $item['contact-id'] = $item['author-id'];
2361 $public_shadow = self::insert($item, false, false, true);
2363 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2368 * Add a shadow entry for a given item id that is a comment
2370 * This function does the same like the function above - but for comments
2372 * @param integer $itemid Item ID that should be added
2373 * @throws \Exception
2375 public static function addShadowPost($itemid)
2377 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2378 if (!DBA::isResult($item)) {
2382 // Is it a toplevel post?
2383 if ($item['id'] == $item['parent']) {
2384 self::addShadow($itemid);
2388 // Is this a shadow entry?
2389 if ($item['uid'] == 0) {
2393 // Is there a shadow parent?
2394 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2398 // Is there already a shadow entry?
2399 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2403 // Save "origin" and "parent" state
2404 $origin = $item['origin'];
2405 $parent = $item['parent'];
2407 // Preparing public shadow (removing user specific data)
2410 unset($item['parent']);
2411 unset($item['wall']);
2412 unset($item['mention']);
2413 unset($item['origin']);
2414 unset($item['starred']);
2415 unset($item['postopts']);
2416 unset($item['inform']);
2417 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2419 $public_shadow = self::insert($item, false, false, true);
2421 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2423 // If this was a comment to a Diaspora post we don't get our comment back.
2424 // This means that we have to distribute the comment by ourselves.
2425 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2426 self::distribute($public_shadow);
2431 * Adds a language specification in a "language" element of given $arr.
2432 * Expects "body" element to exist in $arr.
2435 * @throws \Text_LanguageDetect_Exception
2437 private static function addLanguageToItemArray(&$item)
2439 $naked_body = BBCode::toPlaintext($item['body'], false);
2441 $ld = new Text_LanguageDetect();
2442 $ld->setNameMode(2);
2443 $languages = $ld->detect($naked_body, 3);
2445 if (is_array($languages)) {
2446 $item['language'] = json_encode($languages);
2451 * Creates an unique guid out of a given uri
2453 * @param string $uri uri of an item entry
2454 * @param string $host hostname for the GUID prefix
2455 * @return string unique guid
2457 public static function guidFromUri($uri, $host)
2459 // Our regular guid routine is using this kind of prefix as well
2460 // We have to avoid that different routines could accidentally create the same value
2461 $parsed = parse_url($uri);
2463 // We use a hash of the hostname as prefix for the guid
2464 $guid_prefix = hash("crc32", $host);
2466 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2467 unset($parsed["scheme"]);
2469 // Glue it together to be able to make a hash from it
2470 $host_id = implode("/", $parsed);
2472 // We could use any hash algorithm since it isn't a security issue
2473 $host_hash = hash("ripemd128", $host_id);
2475 return $guid_prefix.$host_hash;
2479 * generate an unique URI
2481 * @param integer $uid User id
2482 * @param string $guid An existing GUID (Otherwise it will be generated)
2485 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2487 public static function newURI($uid, $guid = "")
2490 $guid = System::createUUID();
2493 return DI::baseUrl()->get() . '/objects/' . $guid;
2497 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2499 * This can be used to filter for inactive contacts.
2500 * Only do this for public postings to avoid privacy problems, since poco data is public.
2501 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2503 * @param array $arr Contains the just posted item record
2504 * @throws \Exception
2506 private static function updateContact($arr)
2508 // Unarchive the author
2509 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2510 if (DBA::isResult($contact)) {
2511 Contact::unmarkForArchival($contact);
2514 // Unarchive the contact if it's not our own contact
2515 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2516 if (DBA::isResult($contact)) {
2517 Contact::unmarkForArchival($contact);
2520 /// @todo On private posts we could obfuscate the date
2521 $update = ($arr['private'] != self::PRIVATE);
2523 // Is it a forum? Then we don't care about the rules from above
2524 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2525 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2531 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2532 // So we have to ensure to only update the last item when it had been our own post,
2533 // or it had been done by a "regular" contact.
2534 if (!empty($arr['wall'])) {
2535 $condition = ['id' => $arr['contact-id']];
2537 $condition = ['id' => $arr['contact-id'], 'self' => false];
2539 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2541 // Now do the same for the system wide contacts with uid=0
2542 if ($arr['private'] != self::PRIVATE) {
2543 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2544 ['id' => $arr['owner-id']]);
2546 if ($arr['owner-id'] != $arr['author-id']) {
2547 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2548 ['id' => $arr['author-id']]);
2553 public static function setHashtags(&$item)
2555 $tags = BBCode::getTags($item["body"]);
2558 if (!count($tags)) {
2562 // What happens in [code], stays in [code]!
2563 // escape the # and the [
2564 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2565 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2567 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2569 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2570 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2573 // This sorting is important when there are hashtags that are part of other hashtags
2574 // Otherwise there could be problems with hashtags like #test and #test2
2575 // Because of this we are sorting from the longest to the shortest tag.
2576 usort($tags, function($a, $b) {
2577 return strlen($b) <=> strlen($a);
2580 $URLSearchString = "^\[\]";
2582 // All hashtags should point to the home server if "local_tags" is activated
2583 if (DI::config()->get('system', 'local_tags')) {
2584 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2585 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2588 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2589 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2591 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2594 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2596 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2599 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2601 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2604 // Repair recursive urls
2605 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2606 "#$2", $item["body"]);
2608 foreach ($tags as $tag) {
2609 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2613 $basetag = str_replace('_',' ',substr($tag,1));
2614 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2616 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2619 // Convert back the masked hashtags
2620 $item["body"] = str_replace("#", "#", $item["body"]);
2622 // Remember! What happens in [code], stays in [code]
2623 // roleback the # and [
2624 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2626 // we truly unESCape all sharp and leftsquarebracket
2627 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2628 $replace = ['#', '['];
2629 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2634 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2637 * @param int $item_id
2638 * @return boolean true if item was deleted, else false
2639 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2640 * @throws \ImagickException
2642 private static function tagDeliver($uid, $item_id)
2646 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2647 if (!DBA::isResult($user)) {
2651 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2652 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2654 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2655 if (!DBA::isResult($item)) {
2659 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2662 * Diaspora uses their own hardwired link URL in @-tags
2663 * instead of the one we supply with webfinger
2665 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2667 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2669 foreach ($matches as $mtch) {
2670 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2672 Logger::log('mention found: ' . $mtch[2]);
2678 if (($community_page || $prvgroup) &&
2679 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2680 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2681 DBA::delete('item', ['id' => $item_id]);
2687 $arr = ['item' => $item, 'user' => $user];
2689 Hook::callAll('tagged', $arr);
2691 if (!$community_page && !$prvgroup) {
2696 * tgroup delivery - setup a second delivery chain
2697 * prevent delivery looping - only proceed
2698 * if the message originated elsewhere and is a top-level post
2700 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2704 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2705 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2706 if (!DBA::isResult($self)) {
2710 $owner_id = Contact::getIdForURL($self['url']);
2712 // also reset all the privacy bits to the forum default permissions
2714 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2716 $psid = PermissionSet::getIdFromACL(
2724 $forum_mode = ($prvgroup ? 2 : 1);
2726 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2727 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2728 self::update($fields, ['id' => $item_id]);
2730 self::updateThread($item_id);
2732 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2737 public static function isRemoteSelf($contact, &$datarray)
2739 if (!$contact['remote_self']) {
2743 // Prevent the forwarding of posts that are forwarded
2744 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2745 Logger::log('Already forwarded', Logger::DEBUG);
2749 // Prevent to forward already forwarded posts
2750 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2751 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2755 // Only forward posts
2756 if ($datarray["verb"] != Activity::POST) {
2757 Logger::log('No post', Logger::DEBUG);
2761 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2762 Logger::log('Not public', Logger::DEBUG);
2766 $datarray2 = $datarray;
2767 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2768 if ($contact['remote_self'] == 2) {
2769 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2770 ['uid' => $contact['uid'], 'self' => true]);
2771 if (DBA::isResult($self)) {
2772 $datarray['contact-id'] = $self["id"];
2774 $datarray['owner-name'] = $self["name"];
2775 $datarray['owner-link'] = $self["url"];
2776 $datarray['owner-avatar'] = $self["thumb"];
2778 $datarray['author-name'] = $datarray['owner-name'];
2779 $datarray['author-link'] = $datarray['owner-link'];
2780 $datarray['author-avatar'] = $datarray['owner-avatar'];
2782 unset($datarray['edited']);
2784 unset($datarray['network']);
2785 unset($datarray['owner-id']);
2786 unset($datarray['author-id']);
2789 if ($contact['network'] != Protocol::FEED) {
2790 $datarray["guid"] = System::createUUID();
2791 unset($datarray["plink"]);
2792 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2793 $datarray["parent-uri"] = $datarray["uri"];
2794 $datarray["thr-parent"] = $datarray["uri"];
2795 $datarray["extid"] = Protocol::DFRN;
2796 $urlpart = parse_url($datarray2['author-link']);
2797 $datarray["app"] = $urlpart["host"];
2799 $datarray['private'] = self::PUBLIC;
2803 if ($contact['network'] != Protocol::FEED) {
2804 // Store the original post
2805 $result = self::insert($datarray2, false, false);
2806 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2808 $datarray["app"] = "Feed";
2812 // Trigger automatic reactions for addons
2813 $datarray['api_source'] = true;
2815 // We have to tell the hooks who we are - this really should be improved
2816 $_SESSION["authenticated"] = true;
2817 $_SESSION["uid"] = $contact['uid'];
2826 * @param array $item
2829 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2830 * @throws \ImagickException
2832 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2834 if (DI::config()->get('system', 'disable_embedded')) {
2838 Logger::log('check for photos', Logger::DEBUG);
2839 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2844 $img_start = strpos($orig_body, '[img');
2845 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2846 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2848 while (($img_st_close !== false) && ($img_len !== false)) {
2849 $img_st_close++; // make it point to AFTER the closing bracket
2850 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2852 Logger::log('found photo ' . $image, Logger::DEBUG);
2854 if (stristr($image, $site . '/photo/')) {
2855 // Only embed locally hosted photos
2857 $i = basename($image);
2858 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2859 $x = strpos($i, '-');
2862 $res = substr($i, $x + 1);
2863 $i = substr($i, 0, $x);
2864 $photo = Photo::getPhotoForUser($uid, $i, $res);
2865 if (DBA::isResult($photo)) {
2867 * Check to see if we should replace this photo link with an embedded image
2868 * 1. No need to do so if the photo is public
2869 * 2. If there's a contact-id provided, see if they're in the access list
2870 * for the photo. If so, embed it.
2871 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2872 * permissions, regardless of order but first check to see if they're an exact
2873 * match to save some processing overhead.
2875 if (self::hasPermissions($photo)) {
2877 $recips = self::enumeratePermissions($photo);
2878 if (in_array($cid, $recips)) {
2882 if (self::samePermissions($uid, $item, $photo)) {
2888 $photo_img = Photo::getImageForPhoto($photo);
2889 // If a custom width and height were specified, apply before embedding
2890 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2891 Logger::log('scaling photo', Logger::DEBUG);
2893 $width = intval($match[1]);
2894 $height = intval($match[2]);
2896 $photo_img->scaleDown(max($width, $height));
2899 $data = $photo_img->asString();
2900 $type = $photo_img->getType();
2902 Logger::log('replacing photo', Logger::DEBUG);
2903 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2904 Logger::log('replaced: ' . $image, Logger::DATA);
2910 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2911 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2912 if ($orig_body === false) {
2916 $img_start = strpos($orig_body, '[img');
2917 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2918 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2921 $new_body = $new_body . $orig_body;
2926 private static function hasPermissions($obj)
2928 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2929 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2932 private static function samePermissions($uid, $obj1, $obj2)
2934 // first part is easy. Check that these are exactly the same.
2935 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2936 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2937 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2938 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2942 // This is harder. Parse all the permissions and compare the resulting set.
2943 $recipients1 = self::enumeratePermissions($obj1);
2944 $recipients2 = self::enumeratePermissions($obj2);
2948 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2949 return ($recipients1 == $recipients2);
2953 * Returns an array of contact-ids that are allowed to see this object
2955 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2956 * @param bool $check_dead Prunes unavailable contacts from the result
2958 * @throws \Exception
2960 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2962 $aclFormater = DI::aclFormatter();
2964 $allow_people = $aclFormater->expand($obj['allow_cid']);
2965 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2966 $deny_people = $aclFormater->expand($obj['deny_cid']);
2967 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2968 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2969 $deny = array_unique(array_merge($deny_people, $deny_groups));
2970 $recipients = array_diff($recipients, $deny);
2974 public static function expire($uid, $days, $network = "", $force = false)
2976 if (!$uid || ($days < 1)) {
2980 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2981 $uid, GRAVITY_PARENT];
2984 * $expire_network_only = save your own wall posts
2985 * and just expire conversations started by others
2987 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2989 if ($expire_network_only) {
2990 $condition[0] .= " AND NOT `wall`";
2993 if ($network != "") {
2994 $condition[0] .= " AND `network` = ?";
2995 $condition[] = $network;
2998 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2999 $condition[] = $days;
3001 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3003 if (!DBA::isResult($items)) {
3007 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3009 // Forcing expiring of items - but not notes and marked items
3011 $expire_items = true;
3014 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3015 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3016 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3020 while ($item = Item::fetch($items)) {
3021 // don't expire filed items
3023 if (strpos($item['file'], '[') !== false) {
3027 // Only expire posts, not photos and photo comments
3029 if (!$expire_photos && strlen($item['resource-id'])) {
3031 } elseif (!$expire_starred && intval($item['starred'])) {
3033 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3035 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3039 self::markForDeletionById($item['id'], PRIORITY_LOW);
3044 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3047 public static function firstPostDate($uid, $wall = false)
3049 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3050 $params = ['order' => ['received' => false]];
3051 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3052 if (DBA::isResult($thread)) {
3053 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3059 * add/remove activity to an item
3061 * Toggle activities as like,dislike,attend of an item
3063 * @param string $item_id
3064 * @param string $verb
3065 * Activity verb. One of
3066 * like, unlike, dislike, undislike, attendyes, unattendyes,
3067 * attendno, unattendno, attendmaybe, unattendmaybe
3069 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3070 * @throws \ImagickException
3071 * @hook 'post_local_end'
3073 * 'post_id' => ID of posted item
3075 public static function performActivity($item_id, $verb)
3077 if (!Session::isAuthenticated()) {
3084 $activity = Activity::LIKE;
3088 $activity = Activity::DISLIKE;
3092 $activity = Activity::ATTEND;
3096 $activity = Activity::ATTENDNO;
3099 case 'unattendmaybe':
3100 $activity = Activity::ATTENDMAYBE;
3104 $activity = Activity::FOLLOW;
3107 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3111 // Enable activity toggling instead of on/off
3112 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3114 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3116 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3117 if (!DBA::isResult($item)) {
3118 Logger::log('like: unknown item ' . $item_id);
3122 $item_uri = $item['uri'];
3124 $uid = $item['uid'];
3125 if (($uid == 0) && local_user()) {
3126 $uid = local_user();
3129 if (!Security::canWriteToUserWall($uid)) {
3130 Logger::log('like: unable to write on wall ' . $uid);
3134 // Retrieves the local post owner
3135 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3136 if (!DBA::isResult($owner_self_contact)) {
3137 Logger::log('like: unknown owner ' . $uid);
3141 // Retrieve the current logged in user's public contact
3142 $author_id = public_contact();
3144 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3145 if (!DBA::isResult($author_contact)) {
3146 Logger::log('like: unknown author ' . $author_id);
3150 // Contact-id is the uid-dependant author contact
3151 if (local_user() == $uid) {
3152 $item_contact_id = $owner_self_contact['id'];
3154 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3155 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3156 if (!DBA::isResult($item_contact)) {
3157 Logger::log('like: unknown item contact ' . $item_contact_id);
3162 // Look for an existing verb row
3163 // event participation are essentially radio toggles. If you make a subsequent choice,
3164 // we need to eradicate your first choice.
3165 if ($event_verb_flag) {
3166 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3168 // Translate to the index based activity index
3170 foreach ($verbs as $verb) {
3171 $activities[] = self::activityToIndex($verb);
3174 $activities = self::activityToIndex($activity);
3177 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3178 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3180 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3182 // If it exists, mark it as deleted
3183 if (DBA::isResult($like_item)) {
3184 self::markForDeletionById($like_item['id']);
3186 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3191 // Verb is "un-something", just trying to delete existing entries
3192 if (strpos($verb, 'un') === 0) {
3196 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3199 'guid' => System::createUUID(),
3200 'uri' => self::newURI($item['uid']),
3201 'uid' => $item['uid'],
3202 'contact-id' => $item_contact_id,
3203 'wall' => $item['wall'],
3205 'network' => Protocol::DFRN,
3206 'gravity' => GRAVITY_ACTIVITY,
3207 'parent' => $item['id'],
3208 'parent-uri' => $item['uri'],
3209 'thr-parent' => $item['uri'],
3210 'owner-id' => $author_id,
3211 'author-id' => $author_id,
3212 'body' => $activity,
3213 'verb' => $activity,
3214 'object-type' => $objtype,
3215 'allow_cid' => $item['allow_cid'],
3216 'allow_gid' => $item['allow_gid'],
3217 'deny_cid' => $item['deny_cid'],
3218 'deny_gid' => $item['deny_gid'],
3223 $signed = Diaspora::createLikeSignature($uid, $new_item);
3224 if (!empty($signed)) {
3225 $new_item['diaspora_signed_text'] = json_encode($signed);
3228 $new_item_id = self::insert($new_item);
3230 // If the parent item isn't visible then set it to visible
3231 if (!$item['visible']) {
3232 self::update(['visible' => true], ['id' => $item['id']]);
3235 $new_item['id'] = $new_item_id;
3237 Hook::callAll('post_local_end', $new_item);
3242 private static function addThread($itemid, $onlyshadow = false)
3244 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3245 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3246 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3247 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3248 $item = self::selectFirst($fields, $condition);
3250 if (!DBA::isResult($item)) {
3254 $item['iid'] = $itemid;
3257 $result = DBA::insert('thread', $item);
3259 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3263 private static function updateThread($itemid, $setmention = false)
3265 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3266 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3267 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3268 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3270 $item = self::selectFirst($fields, $condition);
3271 if (!DBA::isResult($item)) {
3276 $item["mention"] = 1;
3281 foreach ($item as $field => $data) {
3282 if (!in_array($field, ["guid"])) {
3283 $fields[$field] = $data;
3287 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3289 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3292 private static function deleteThread($itemid, $itemuri = "")
3294 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3295 if (!DBA::isResult($item)) {
3296 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3300 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3302 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3304 if ($itemuri != "") {
3305 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3306 if (!self::exists($condition)) {
3307 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3308 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3313 public static function getPermissionsSQLByUserId($owner_id)
3315 $local_user = local_user();
3316 $remote_user = Session::getRemoteContactID($owner_id);
3319 * Construct permissions
3321 * default permissions - anonymous user
3323 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3325 // Profile owner - everything is visible
3326 if ($local_user && ($local_user == $owner_id)) {
3328 } elseif ($remote_user) {
3330 * Authenticated visitor. Unless pre-verified,
3331 * check that the contact belongs to this $owner_id
3332 * and load the groups the visitor belongs to.
3333 * If pre-verified, the caller is expected to have already
3334 * done this and passed the groups into this function.
3336 $set = PermissionSet::get($owner_id, $remote_user);
3339 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3344 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3351 * get translated item type
3356 public static function postType($item)
3358 if (!empty($item['event-id'])) {
3359 return DI::l10n()->t('event');
3360 } elseif (!empty($item['resource-id'])) {
3361 return DI::l10n()->t('photo');
3362 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3363 return DI::l10n()->t('activity');
3364 } elseif ($item['id'] != $item['parent']) {
3365 return DI::l10n()->t('comment');
3368 return DI::l10n()->t('post');
3372 * Sets the "rendered-html" field of the provided item
3374 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3376 * @param array $item
3377 * @param bool $update
3379 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3380 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3382 public static function putInCache(&$item, $update = false)
3384 $body = $item["body"];
3386 $rendered_hash = $item['rendered-hash'] ?? '';
3387 $rendered_html = $item['rendered-html'] ?? '';
3389 if ($rendered_hash == ''
3390 || $rendered_html == ""
3391 || $rendered_hash != hash("md5", $item["body"])
3392 || DI::config()->get("system", "ignore_cache")
3394 self::addRedirToImageTags($item);
3396 $item["rendered-html"] = BBCode::convert($item["body"]);
3397 $item["rendered-hash"] = hash("md5", $item["body"]);
3399 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3400 Hook::callAll('put_item_in_cache', $hook_data);
3401 $item['rendered-html'] = $hook_data['rendered-html'];
3402 $item['rendered-hash'] = $hook_data['rendered-hash'];
3405 // Force an update if the generated values differ from the existing ones
3406 if ($rendered_hash != $item["rendered-hash"]) {
3410 // Only compare the HTML when we forcefully ignore the cache
3411 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3415 if ($update && !empty($item["id"])) {
3418 'rendered-html' => $item["rendered-html"],
3419 'rendered-hash' => $item["rendered-hash"]
3421 ['id' => $item["id"]]
3426 $item["body"] = $body;
3430 * Find any non-embedded images in private items and add redir links to them
3432 * @param array &$item The field array of an item row
3434 private static function addRedirToImageTags(array &$item)
3439 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3441 foreach ($matches as $mtch) {
3442 if (strpos($mtch[1], '/redir') !== false) {
3446 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3447 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3448 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3455 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3456 * If attach is true, also add icons for item attachments.
3458 * @param array $item
3459 * @param boolean $attach
3460 * @param boolean $is_preview
3461 * @return string item body html
3462 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3463 * @throws \ImagickException
3464 * @hook prepare_body_init item array before any work
3465 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3466 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3467 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3469 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3472 Hook::callAll('prepare_body_init', $item);
3474 // In order to provide theme developers more possibilities, event items
3475 // are treated differently.
3476 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3477 $ev = Event::getItemHTML($item);
3481 $tags = Tag::populateFromItem($item);
3483 $item['tags'] = $tags['tags'];
3484 $item['hashtags'] = $tags['hashtags'];
3485 $item['mentions'] = $tags['mentions'];
3487 // Compile eventual content filter reasons
3488 $filter_reasons = [];
3489 if (!$is_preview && public_contact() != $item['author-id']) {
3490 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3491 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3496 'filter_reasons' => $filter_reasons
3498 Hook::callAll('prepare_body_content_filter', $hook_data);
3499 $filter_reasons = $hook_data['filter_reasons'];
3503 // Update the cached values if there is no "zrl=..." on the links.
3504 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3506 // Or update it if the current viewer is the intented viewer.
3507 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3511 self::putInCache($item, $update);
3512 $s = $item["rendered-html"];
3517 'preview' => $is_preview,
3518 'filter_reasons' => $filter_reasons
3520 Hook::callAll('prepare_body', $hook_data);
3521 $s = $hook_data['html'];
3525 // Replace the blockquotes with quotes that are used in mails.
3526 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3527 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3534 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3535 foreach ($matches as $mtch) {
3538 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3540 if (strpos($mime, 'video') !== false) {
3543 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3546 $url_parts = explode('/', $the_url);
3547 $id = end($url_parts);
3548 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3551 'title' => DI::l10n()->t('View Video'),
3558 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3560 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3561 $filesubtype = str_replace('.', '-', $filesubtype);
3564 $filesubtype = 'unkn';
3567 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3568 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3570 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3571 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3575 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3579 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3580 $x = Map::byCoordinates(trim($item['coord']));
3582 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3586 // Replace friendica image url size with theme preference.
3587 if (!empty($a->theme_info['item_image_size'])) {
3588 $ps = $a->theme_info['item_image_size'];
3589 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3592 $s = HTML::applyContentFilter($s, $filter_reasons);
3594 $hook_data = ['item' => $item, 'html' => $s];
3595 Hook::callAll('prepare_body_final', $hook_data);
3597 return $hook_data['html'];
3601 * get private link for item
3603 * @param array $item
3604 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3605 * @throws \Exception
3607 public static function getPlink($item)
3611 if ($a->user['nickname'] != "") {
3613 'href' => "display/" . $item['guid'],
3614 'orig' => "display/" . $item['guid'],
3615 'title' => DI::l10n()->t('View on separate page'),
3616 'orig_title' => DI::l10n()->t('view on separate page'),
3619 if (!empty($item['plink'])) {
3620 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3621 $ret["title"] = DI::l10n()->t('link to source');
3624 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3626 'href' => $item['plink'],
3627 'orig' => $item['plink'],
3628 'title' => DI::l10n()->t('link to source'),
3638 * Is the given item array a post that is sent as starting post to a forum?
3640 * @param array $item
3641 * @param array $owner
3643 * @return boolean "true" when it is a forum post
3645 public static function isForumPost(array $item, array $owner = [])
3647 if (empty($owner)) {
3648 $owner = User::getOwnerDataById($item['uid']);
3649 if (empty($owner)) {
3654 if (($item['author-id'] == $item['owner-id']) ||
3655 ($owner['id'] == $item['contact-id']) ||
3656 ($item['uri'] != $item['parent-uri']) ||
3661 return Contact::isForum($item['contact-id']);
3665 * Search item id for given URI or plink
3667 * @param string $uri
3668 * @param integer $uid
3670 * @return integer item id
3672 public static function searchByLink($uri, $uid = 0)
3674 $ssl_uri = str_replace('http://', 'https://', $uri);
3675 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3677 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3678 if (DBA::isResult($item)) {
3682 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3683 if (!DBA::isResult($itemcontent)) {
3687 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3688 if (!DBA::isResult($itemuri)) {
3692 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3693 if (DBA::isResult($item)) {
3701 * Return the URI for a link to the post
3703 * @param string $uri URI or link to post
3705 * @return string URI
3707 public static function getURIByLink(string $uri)
3709 $ssl_uri = str_replace('http://', 'https://', $uri);
3710 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3712 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3713 if (DBA::isResult($item)) {
3714 return $item['uri'];
3717 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3718 if (!DBA::isResult($itemcontent)) {
3722 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3723 if (DBA::isResult($itemuri)) {
3724 return $itemuri['uri'];
3731 * Fetches item for given URI or plink
3733 * @param string $uri
3734 * @param integer $uid
3736 * @return integer item id
3738 public static function fetchByLink($uri, $uid = 0)
3740 $item_id = self::searchByLink($uri, $uid);
3741 if (!empty($item_id)) {
3745 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3746 $item_id = self::searchByLink($fetched_uri, $uid);
3748 $item_id = Diaspora::fetchByURL($uri);
3751 if (!empty($item_id)) {
3759 * Return share data from an item array (if the item is shared item)
3760 * We are providing the complete Item array, because at some time in the future
3761 * we hopefully will define these values not in the body anymore but in some item fields.
3762 * This function is meant to replace all similar functions in the system.
3764 * @param array $item
3766 * @return array with share information
3768 public static function getShareArray($item)
3770 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3774 $attribute_string = $matches[2];
3775 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3776 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3777 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3778 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3785 * Fetch item information for shared items from the original items and adds it.
3787 * @param array $item
3789 * @return array item array with data from the original item
3791 public static function addShareDataFromOriginal($item)
3793 $shared = self::getShareArray($item);
3794 if (empty($shared)) {
3798 // Real reshares always have got a GUID.
3799 if (empty($shared['guid'])) {
3803 $uid = $item['uid'] ?? 0;
3805 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3806 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3807 if (!DBA::isResult($shared_item)) {
3808 if (empty($shared['link'])) {
3812 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3813 $id = self::fetchByLink($shared['link'], $uid);
3815 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3819 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3820 if (!DBA::isResult($shared_item)) {
3823 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3825 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3828 if (!empty($shared_item['title'])) {
3829 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3830 unset($shared_item['title']);
3832 $body = $shared_item['body'];
3835 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3836 unset($shared_item['body']);
3838 return array_merge($item, $shared_item);