3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Protocol\Activity;
36 use Friendica\Protocol\ActivityPub;
37 use Friendica\Protocol\Diaspora;
38 use Friendica\Protocol\OStatus;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Map;
41 use Friendica\Util\Network;
42 use Friendica\Util\Security;
43 use Friendica\Util\Strings;
44 use Friendica\Util\XML;
45 use Friendica\Worker\Delivery;
46 use Text_LanguageDetect;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Field list that is used to display the items
62 const DISPLAY_FIELDLIST = [
63 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
64 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
65 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
66 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
67 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
68 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
69 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
70 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
71 'writable', 'self', 'cid', 'alias', 'pinned',
72 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
73 'event-summary', 'event-desc', 'event-location', 'event-type',
74 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
75 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
78 // Field list that is used to deliver items via the protocols
79 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
80 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
81 'private', 'title', 'body', 'location', 'coord', 'app',
82 'attach', 'tag', 'deleted', 'extid', 'post-type',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
84 'author-id', 'author-link', 'owner-link', 'contact-uid',
85 'signed_text', 'signature', 'signer', 'network'];
87 // Field list for "item-content" table that is mixed with the item table
88 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
89 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
90 'object-type', 'object', 'target-type', 'target', 'plink'];
92 // Field list for "item-content" table that is not present in the "item" table
93 const CONTENT_FIELDLIST = ['language'];
95 // All fields in the item table
96 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
97 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
98 'created', 'edited', 'commented', 'received', 'changed', 'verb',
99 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
100 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
101 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
102 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
103 'title', 'content-warning', 'body', 'location', 'coord', 'app',
104 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
105 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
106 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
108 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
109 // The item-activity table only stores the index and needs this array to know the matching activity.
111 Activity::LIKE, Activity::DISLIKE,
112 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
116 private static $legacy_mode = null;
118 public static function isLegacyMode()
120 if (is_null(self::$legacy_mode)) {
121 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
124 return self::$legacy_mode;
128 * Set the pinned state of an item
130 * @param integer $iid Item ID
131 * @param integer $uid User ID
132 * @param boolean $pinned Pinned state
134 public static function setPinned(int $iid, int $uid, bool $pinned)
136 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
140 * Get the pinned state
142 * @param integer $iid Item ID
143 * @param integer $uid User ID
145 * @return boolean pinned state
147 public static function getPinned(int $iid, int $uid)
149 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
150 if (!DBA::isResult($useritem)) {
153 return (bool)$useritem['pinned'];
157 * Select pinned rows from the item table for a given user
159 * @param integer $uid User ID
160 * @param array $selected Array of selected fields, empty for all
161 * @param array $condition Array of fields for condition
162 * @param array $params Array of several parameters
164 * @return boolean|object
167 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
169 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
170 if (!DBA::isResult($useritems)) {
175 while ($useritem = self::fetch($useritems)) {
176 $pinned[] = $useritem['iid'];
178 DBA::close($useritems);
180 if (empty($pinned)) {
184 if (empty($condition) || !is_array($condition)) {
185 $condition = ['iid' => $pinned];
188 $first_key = key($condition);
189 if (!is_int($first_key)) {
190 $condition['iid'] = $pinned;
192 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
193 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
194 $condition = array_merge($condition, $pinned);
198 return self::selectThreadForUser($uid, $selected, $condition, $params);
202 * returns an activity index from an activity string
204 * @param string $activity activity string
205 * @return integer Activity index
207 public static function activityToIndex($activity)
209 $index = array_search($activity, self::ACTIVITIES);
211 if (is_bool($index)) {
219 * returns an activity string from an activity index
221 * @param integer $index activity index
222 * @return string Activity string
224 private static function indexToActivity($index)
226 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
230 return self::ACTIVITIES[$index];
234 * Fetch a single item row
236 * @param mixed $stmt statement object
237 * @return array current row
239 public static function fetch($stmt)
241 $row = DBA::fetch($stmt);
247 // ---------------------- Transform item structure data ----------------------
249 // We prefer the data from the user's contact over the public one
250 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
251 ($row['author-link'] == $row['contact-link'])) {
252 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
253 $row['author-avatar'] = $row['contact-avatar'];
255 if (isset($row['author-name']) && !empty($row['contact-name'])) {
256 $row['author-name'] = $row['contact-name'];
260 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
261 ($row['owner-link'] == $row['contact-link'])) {
262 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
263 $row['owner-avatar'] = $row['contact-avatar'];
265 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
266 $row['owner-name'] = $row['contact-name'];
270 // We can always comment on posts from these networks
271 if (array_key_exists('writable', $row) &&
272 in_array($row['internal-network'], Protocol::FEDERATED)) {
273 $row['writable'] = true;
276 // ---------------------- Transform item content data ----------------------
278 // Fetch data from the item-content table whenever there is content there
279 if (self::isLegacyMode()) {
280 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
281 foreach ($legacy_fields as $field) {
282 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
283 $row[$field] = $row['internal-item-' . $field];
285 unset($row['internal-item-' . $field]);
289 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
290 $row['verb'] = self::indexToActivity($row['internal-activity']);
291 if (array_key_exists('title', $row)) {
294 if (array_key_exists('body', $row)) {
295 $row['body'] = $row['verb'];
297 if (array_key_exists('object', $row)) {
300 if (array_key_exists('object-type', $row)) {
301 $row['object-type'] = Activity\ObjectType::NOTE;
303 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
304 // Posts don't have a target - but having tags or files.
305 // We safe some performance by building tag and file strings only here.
306 // We remove the target since they aren't used for this type.
307 // In mail posts we do store some mail header data in the object.
308 if (array_key_exists('target', $row)) {
313 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
314 // Build the tag string out of the term entries
315 if (array_key_exists('tag', $row) && empty($row['tag'])) {
316 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
319 // Build the file string out of the term entries
320 if (array_key_exists('file', $row) && empty($row['file'])) {
321 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
325 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
326 $row['signed_text'] = $row['interaction'];
329 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
330 $row['ignored'] = $row['internal-user-ignored'];
333 // Remove internal fields
334 unset($row['internal-activity']);
335 unset($row['internal-network']);
336 unset($row['internal-iid']);
337 unset($row['internal-iaid']);
338 unset($row['internal-icid']);
339 unset($row['internal-user-ignored']);
340 unset($row['interaction']);
346 * Fills an array with data from an item query
348 * @param object $stmt statement object
349 * @param bool $do_close
350 * @return array Data array
352 public static function inArray($stmt, $do_close = true) {
353 if (is_bool($stmt)) {
358 while ($row = self::fetch($stmt)) {
368 * Check if item data exists
370 * @param array $condition array of fields for condition
372 * @return boolean Are there rows for that condition?
375 public static function exists($condition) {
376 $stmt = self::select(['id'], $condition, ['limit' => 1]);
378 if (is_bool($stmt)) {
381 $retval = (DBA::numRows($stmt) > 0);
390 * Retrieve a single record from the item table for a given user and returns it in an associative array
392 * @param integer $uid User ID
393 * @param array $selected
394 * @param array $condition
395 * @param array $params
400 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
402 $params['uid'] = $uid;
404 if (empty($selected)) {
405 $selected = Item::DISPLAY_FIELDLIST;
408 return self::selectFirst($selected, $condition, $params);
412 * Select rows from the item table for a given user
414 * @param integer $uid User ID
415 * @param array $selected Array of selected fields, empty for all
416 * @param array $condition Array of fields for condition
417 * @param array $params Array of several parameters
419 * @return boolean|object
422 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
424 $params['uid'] = $uid;
426 if (empty($selected)) {
427 $selected = Item::DISPLAY_FIELDLIST;
430 return self::select($selected, $condition, $params);
434 * Retrieve a single record from the item table and returns it in an associative array
436 * @param array $fields
437 * @param array $condition
438 * @param array $params
443 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
445 $params['limit'] = 1;
447 $result = self::select($fields, $condition, $params);
449 if (is_bool($result)) {
452 $row = self::fetch($result);
459 * Select rows from the item table and returns them as an array
461 * @param array $selected Array of selected fields, empty for all
462 * @param array $condition Array of fields for condition
463 * @param array $params Array of several parameters
468 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
470 $result = self::select($fields, $condition, $params);
472 if (is_bool($result)) {
477 while ($row = self::fetch($result)) {
486 * Select rows from the item table
488 * @param array $selected Array of selected fields, empty for all
489 * @param array $condition Array of fields for condition
490 * @param array $params Array of several parameters
492 * @return boolean|object
495 public static function select(array $selected = [], array $condition = [], $params = [])
500 if (isset($params['uid'])) {
501 $uid = $params['uid'];
505 $fields = self::fieldlist($usermode);
507 $select_fields = self::constructSelectFields($fields, $selected);
509 $condition_string = DBA::buildCondition($condition);
511 $condition_string = self::addTablesToFields($condition_string, $fields);
514 $condition_string = $condition_string . ' AND ' . self::condition(false);
517 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
519 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
521 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
523 return DBA::p($sql, $condition);
527 * Select rows from the starting post in the item table
529 * @param integer $uid User ID
530 * @param array $selected
531 * @param array $condition Array of fields for condition
532 * @param array $params Array of several parameters
534 * @return boolean|object
537 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
539 $params['uid'] = $uid;
541 if (empty($selected)) {
542 $selected = Item::DISPLAY_FIELDLIST;
545 return self::selectThread($selected, $condition, $params);
549 * Retrieve a single record from the starting post in the item table and returns it in an associative array
551 * @param integer $uid User ID
552 * @param array $selected
553 * @param array $condition
554 * @param array $params
559 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
561 $params['uid'] = $uid;
563 if (empty($selected)) {
564 $selected = Item::DISPLAY_FIELDLIST;
567 return self::selectFirstThread($selected, $condition, $params);
571 * Retrieve a single record from the starting post in the item table and returns it in an associative array
573 * @param array $fields
574 * @param array $condition
575 * @param array $params
580 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
582 $params['limit'] = 1;
583 $result = self::selectThread($fields, $condition, $params);
585 if (is_bool($result)) {
588 $row = self::fetch($result);
595 * Select rows from the starting post in the item table
597 * @param array $selected Array of selected fields, empty for all
598 * @param array $condition Array of fields for condition
599 * @param array $params Array of several parameters
601 * @return boolean|object
604 public static function selectThread(array $selected = [], array $condition = [], $params = [])
609 if (isset($params['uid'])) {
610 $uid = $params['uid'];
614 $fields = self::fieldlist($usermode);
616 $fields['thread'] = ['mention', 'ignored', 'iid'];
618 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
619 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
620 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
621 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
623 $select_fields = self::constructSelectFields($fields, $selected);
625 $condition_string = DBA::buildCondition($condition);
627 $condition_string = self::addTablesToFields($condition_string, $threadfields);
628 $condition_string = self::addTablesToFields($condition_string, $fields);
631 $condition_string = $condition_string . ' AND ' . self::condition(true);
634 $param_string = DBA::buildParameter($params);
635 $param_string = self::addTablesToFields($param_string, $threadfields);
636 $param_string = self::addTablesToFields($param_string, $fields);
638 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
640 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
642 return DBA::p($sql, $condition);
646 * Returns a list of fields that are associated with the item table
649 * @return array field list
651 private static function fieldlist($usermode)
655 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
656 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
657 'created', 'edited', 'commented', 'received', 'changed', 'psid',
658 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
659 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
660 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
661 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
662 'network' => 'internal-network', 'icid' => 'internal-icid',
663 'iaid' => 'internal-iaid'];
666 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
669 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
671 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
673 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
675 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
677 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
678 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
680 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
681 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
683 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
684 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
685 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
687 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
689 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
691 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
692 'start' => 'event-start','finish' => 'event-finish',
693 'summary' => 'event-summary','desc' => 'event-desc',
694 'location' => 'event-location', 'type' => 'event-type',
695 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
696 'ignore' => 'event-ignore', 'id' => 'event-id'];
698 $fields['sign'] = ['signed_text', 'signature', 'signer'];
700 $fields['diaspora-interaction'] = ['interaction'];
706 * Returns SQL condition for the "select" functions
708 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
710 * @return string SQL condition
712 private static function condition($thread_mode)
715 $master_table = "`thread`";
717 $master_table = "`item`";
719 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
720 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
721 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
722 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
723 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
724 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
725 GRAVITY_PARENT, GRAVITY_PARENT);
729 * Returns all needed "JOIN" commands for the "select" functions
731 * @param integer $uid User ID
732 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
733 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
736 * @return string The SQL joins for the "select" functions
738 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
741 $master_table = "`thread`";
742 $master_table_key = "`thread`.`iid`";
743 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
745 $master_table = "`item`";
746 $master_table_key = "`item`.`id`";
751 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
752 AND NOT `contact`.`blocked`
753 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
754 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
755 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
756 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
757 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
758 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
759 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
760 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
762 if (strpos($sql_commands, "`contact`.") !== false) {
763 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
765 if (strpos($sql_commands, "`author`.") !== false) {
766 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
768 if (strpos($sql_commands, "`owner`.") !== false) {
769 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
773 if (strpos($sql_commands, "`group_member`.") !== false) {
774 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
777 if (strpos($sql_commands, "`user`.") !== false) {
778 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
781 if (strpos($sql_commands, "`event`.") !== false) {
782 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
785 if (strpos($sql_commands, "`sign`.") !== false) {
786 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
789 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
790 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
793 if (strpos($sql_commands, "`item-activity`.") !== false) {
794 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
797 if (strpos($sql_commands, "`item-content`.") !== false) {
798 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
801 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
802 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
805 if (strpos($sql_commands, "`permissionset`.") !== false) {
806 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
809 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
810 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
813 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
814 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
821 * Add the field list for the "select" functions
823 * @param array $fields The field definition array
824 * @param array $selected The array with the selected fields from the "select" functions
826 * @return string The field list
828 private static function constructSelectFields($fields, $selected)
830 if (!empty($selected)) {
831 $selected[] = 'internal-iid';
832 $selected[] = 'internal-iaid';
833 $selected[] = 'internal-icid';
834 $selected[] = 'internal-network';
837 if (in_array('verb', $selected)) {
838 $selected[] = 'internal-activity';
841 if (in_array('ignored', $selected)) {
842 $selected[] = 'internal-user-ignored';
845 if (in_array('signed_text', $selected)) {
846 $selected[] = 'interaction';
849 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
852 foreach ($fields as $table => $table_fields) {
853 foreach ($table_fields as $field => $select) {
854 if (empty($selected) || in_array($select, $selected)) {
855 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
856 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
858 if (is_int($field)) {
859 $selection[] = "`" . $table . "`.`" . $select . "`";
861 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
866 return implode(", ", $selection);
870 * add table definition to fields in an SQL query
872 * @param string $query SQL query
873 * @param array $fields The field definition array
875 * @return string the changed SQL query
877 private static function addTablesToFields($query, $fields)
879 foreach ($fields as $table => $table_fields) {
880 foreach ($table_fields as $alias => $field) {
881 if (is_int($alias)) {
882 $replace_field = $field;
884 $replace_field = $alias;
887 $search = "/([^\.])`" . $field . "`/i";
888 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
889 $query = preg_replace($search, $replace, $query);
896 * Update existing item entries
898 * @param array $fields The fields that are to be changed
899 * @param array $condition The condition for finding the item entries
901 * In the future we may have to change permissions as well.
902 * Then we had to add the user id as third parameter.
904 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
906 * @return integer|boolean number of affected rows - or "false" if there was an error
907 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
909 public static function update(array $fields, array $condition)
911 if (empty($condition) || empty($fields)) {
915 // To ensure the data integrity we do it in an transaction
918 // We cannot simply expand the condition to check for origin entries
919 // The condition needn't to be a simple array but could be a complex condition.
920 // And we have to execute this query before the update to ensure to fetch the same data.
921 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
923 $content_fields = [];
924 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
925 if (isset($fields[$field])) {
926 $content_fields[$field] = $fields[$field];
927 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
928 unset($fields[$field]);
930 $fields[$field] = null;
935 $delivery_data = ItemDeliveryData::extractFields($fields);
937 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
938 foreach ($clear_fields as $field) {
939 if (array_key_exists($field, $fields)) {
940 $fields[$field] = null;
944 if (array_key_exists('tag', $fields)) {
945 $tags = $fields['tag'];
946 $fields['tag'] = null;
951 if (array_key_exists('file', $fields)) {
952 $files = $fields['file'];
953 $fields['file'] = null;
958 if (!empty($fields)) {
959 $success = DBA::update('item', $fields, $condition);
968 // When there is no content for the "old" item table, this will count the fetched items
969 $rows = DBA::affectedRows();
973 while ($item = DBA::fetch($items)) {
974 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
975 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
977 if (empty($item['iaid'])) {
978 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
979 if (DBA::isResult($item_activity)) {
980 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
981 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
982 if (self::isLegacyMode()) {
983 $item_fields[$field] = null;
985 unset($item_fields[$field]);
988 DBA::update('item', $item_fields, ['id' => $item['id']]);
990 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
991 DBA::delete('item-content', ['id' => $item['icid']]);
994 } elseif (!empty($item['icid'])) {
995 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
997 if (!DBA::exists('item', ['icid' => $item['icid']])) {
998 DBA::delete('item-content', ['id' => $item['icid']]);
1002 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
1004 if (empty($item['icid'])) {
1005 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1006 if (DBA::isResult($item_content)) {
1007 $item_fields = ['icid' => $item_content['id']];
1008 // Clear all fields in the item table that have a content in the item-content table
1009 foreach ($item_content as $field => $content) {
1010 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1011 if (self::isLegacyMode()) {
1012 $item_fields[$field] = null;
1014 unset($item_fields[$field]);
1018 DBA::update('item', $item_fields, ['id' => $item['id']]);
1023 if (!is_null($tags)) {
1024 Term::insertFromTagFieldByItemId($item['id'], $tags);
1025 if (!empty($item['tag'])) {
1026 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1030 if (!is_null($files)) {
1031 Term::insertFromFileFieldByItemId($item['id'], $files);
1032 if (!empty($item['file'])) {
1033 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1037 ItemDeliveryData::update($item['id'], $delivery_data);
1039 self::updateThread($item['id']);
1041 // We only need to notfiy others when it is an original entry from us.
1042 // Only call the notifier when the item has some content relevant change.
1043 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1044 $notify_items[] = $item['id'];
1051 foreach ($notify_items as $notify_item) {
1052 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1059 * Delete an item and notify others about it - if it was ours
1061 * @param array $condition The condition for finding the item entries
1062 * @param integer $priority Priority for the notification
1063 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1065 public static function delete($condition, $priority = PRIORITY_HIGH)
1067 $items = self::select(['id'], $condition);
1068 while ($item = self::fetch($items)) {
1069 self::deleteById($item['id'], $priority);
1075 * Delete an item for an user and notify others about it - if it was ours
1077 * @param array $condition The condition for finding the item entries
1078 * @param integer $uid User who wants to delete this item
1079 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1081 public static function deleteForUser($condition, $uid)
1087 $items = self::select(['id', 'uid'], $condition);
1088 while ($item = self::fetch($items)) {
1089 // "Deleting" global items just means hiding them
1090 if ($item['uid'] == 0) {
1091 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1093 // Delete notifications
1094 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1095 } elseif ($item['uid'] == $uid) {
1096 self::deleteById($item['id'], PRIORITY_HIGH);
1098 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1105 * Delete an item and notify others about it - if it was ours
1107 * @param integer $item_id Item ID that should be delete
1108 * @param integer $priority Priority for the notification
1110 * @return boolean success
1111 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1113 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1115 // locate item to be deleted
1116 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1117 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1118 'verb', 'object-type', 'object', 'target', 'contact-id',
1119 'icid', 'iaid', 'psid'];
1120 $item = self::selectFirst($fields, ['id' => $item_id]);
1121 if (!DBA::isResult($item)) {
1122 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1126 if ($item['deleted']) {
1127 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1131 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1132 if (!DBA::isResult($parent)) {
1133 $parent = ['origin' => false];
1136 // clean up categories and tags so they don't end up as orphans
1139 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1142 foreach ($matches as $mtch) {
1143 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1149 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1152 foreach ($matches as $mtch) {
1153 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1158 * If item is a link to a photo resource, nuke all the associated photos
1159 * (visitors will not have photo resources)
1160 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1161 * generate a resource-id and therefore aren't intimately linked to the item.
1163 /// @TODO: this should first check if photo is used elsewhere
1164 if (strlen($item['resource-id'])) {
1165 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1168 // If item is a link to an event, delete the event.
1169 if (intval($item['event-id'])) {
1170 Event::delete($item['event-id']);
1173 // If item has attachments, drop them
1174 /// @TODO: this should first check if attachment is used elsewhere
1175 foreach (explode(",", $item['attach']) as $attach) {
1176 preg_match("|attach/(\d+)|", $attach, $matches);
1177 if (is_array($matches) && count($matches) > 1) {
1178 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1182 // Delete tags that had been attached to other items
1183 self::deleteTagsFromItem($item);
1185 // Delete notifications
1186 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1188 // Set the item to "deleted"
1189 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1190 DBA::update('item', $item_fields, ['id' => $item['id']]);
1192 Term::insertFromTagFieldByItemId($item['id'], '');
1193 Term::insertFromFileFieldByItemId($item['id'], '');
1194 self::deleteThread($item['id'], $item['parent-uri']);
1196 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1197 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1200 ItemDeliveryData::delete($item['id']);
1202 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1204 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1205 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1207 // When the permission set will be used in photo and events as well,
1208 // this query here needs to be extended.
1209 // @todo Currently deactivated. We need the permission set in the deletion process.
1210 // This is a reminder to add the removal somewhere else.
1211 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1212 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1215 // If it's the parent of a comment thread, kill all the kids
1216 if ($item['id'] == $item['parent']) {
1217 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1220 // Is it our comment and/or our thread?
1221 if ($item['origin'] || $parent['origin']) {
1223 // When we delete the original post we will delete all existing copies on the server as well
1224 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1226 // send the notification upstream/downstream
1227 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1228 } elseif ($item['uid'] != 0) {
1230 // When we delete just our local user copy of an item, we have to set a marker to hide it
1231 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1232 if (DBA::isResult($global_item)) {
1233 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1237 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1242 private static function deleteTagsFromItem($item)
1244 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1248 $xo = XML::parseString($item["object"], false);
1249 $xt = XML::parseString($item["target"], false);
1251 if ($xt->type != Activity\ObjectType::NOTE) {
1255 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1256 if (!DBA::isResult($i)) {
1260 // For tags, the owner cannot remove the tag on the author's copy of the post.
1261 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1262 $author_copy = $item["origin"];
1264 if (($owner_remove && $author_copy) || !$owner_remove) {
1268 $tags = explode(',', $i["tag"]);
1271 foreach ($tags as $tag) {
1272 if (trim($tag) !== trim($xo->body)) {
1273 $newtags[] = trim($tag);
1277 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1280 private static function guid($item, $notify)
1282 if (!empty($item['guid'])) {
1283 return Strings::escapeTags(trim($item['guid']));
1287 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1288 // We add the hash of our own host because our host is the original creator of the post.
1289 $prefix_host = DI::baseUrl()->getHostname();
1293 // We are only storing the post so we create a GUID from the original hostname.
1294 if (!empty($item['author-link'])) {
1295 $parsed = parse_url($item['author-link']);
1296 if (!empty($parsed['host'])) {
1297 $prefix_host = $parsed['host'];
1301 if (empty($prefix_host) && !empty($item['plink'])) {
1302 $parsed = parse_url($item['plink']);
1303 if (!empty($parsed['host'])) {
1304 $prefix_host = $parsed['host'];
1308 if (empty($prefix_host) && !empty($item['uri'])) {
1309 $parsed = parse_url($item['uri']);
1310 if (!empty($parsed['host'])) {
1311 $prefix_host = $parsed['host'];
1315 // Is it in the format data@host.tld? - Used for mail contacts
1316 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1317 $mailparts = explode('@', $item['author-link']);
1318 $prefix_host = array_pop($mailparts);
1322 if (!empty($item['plink'])) {
1323 $guid = self::guidFromUri($item['plink'], $prefix_host);
1324 } elseif (!empty($item['uri'])) {
1325 $guid = self::guidFromUri($item['uri'], $prefix_host);
1327 $guid = System::createUUID(hash('crc32', $prefix_host));
1333 private static function contactId($item)
1335 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1336 return $item['contact-id'];
1337 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1338 return $item['contact-id'];
1339 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1340 return $item['author-id'];
1341 } elseif (!empty($item['contact-id'])) {
1342 return $item['contact-id'];
1344 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1345 if (!empty($contact_id)) {
1349 return $item['author-id'];
1352 // This function will finally cover most of the preparation functionality in mod/item.php
1353 public static function prepare(&$item)
1356 * @TODO: Unused code triggering inspection errors
1358 $data = BBCode::getAttachmentData($item['body']);
1359 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1360 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1361 $posttype = Item::PT_PAGE;
1362 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1368 * Write an item array into a spool file to be inserted later.
1369 * This command is called whenever there are issues storing an item.
1371 * @param array $item The item fields that are to be inserted
1372 * @throws \Exception
1374 private static function spool($orig_item)
1376 // Now we store the data in the spool directory
1377 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1378 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1380 $spoolpath = get_spoolpath();
1381 if ($spoolpath != "") {
1382 $spool = $spoolpath . '/' . $file;
1384 file_put_contents($spool, json_encode($orig_item));
1385 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1389 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1393 $priority = PRIORITY_HIGH;
1395 // If it is a posting where users should get notifications, then define it as wall posting
1398 $item['origin'] = 1;
1399 $item['network'] = Protocol::DFRN;
1400 $item['protocol'] = Conversation::PARCEL_DFRN;
1402 if (is_int($notify)) {
1403 $priority = $notify;
1406 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1409 $item['guid'] = self::guid($item, $notify);
1410 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1413 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1415 // Store conversation data
1416 $item = Conversation::insert($item);
1419 * If a Diaspora signature structure was passed in, pull it out of the
1420 * item array and set it aside for later storage.
1424 if (isset($item['dsprsig'])) {
1425 $encoded_signature = $item['dsprsig'];
1426 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1427 unset($item['dsprsig']);
1430 $diaspora_signed_text = '';
1431 if (isset($item['diaspora_signed_text'])) {
1432 $diaspora_signed_text = $item['diaspora_signed_text'];
1433 unset($item['diaspora_signed_text']);
1436 // Converting the plink
1437 /// @TODO Check if this is really still needed
1438 if ($item['network'] == Protocol::OSTATUS) {
1439 if (isset($item['plink'])) {
1440 $item['plink'] = OStatus::convertHref($item['plink']);
1441 } elseif (isset($item['uri'])) {
1442 $item['plink'] = OStatus::convertHref($item['uri']);
1446 if (!empty($item['thr-parent'])) {
1447 $item['parent-uri'] = $item['thr-parent'];
1450 $activity = DI::activity();
1452 if (isset($item['gravity'])) {
1453 $item['gravity'] = intval($item['gravity']);
1454 } elseif ($item['parent-uri'] === $item['uri']) {
1455 $item['gravity'] = GRAVITY_PARENT;
1456 } elseif ($activity->match($item['verb'], Activity::POST)) {
1457 $item['gravity'] = GRAVITY_COMMENT;
1458 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1459 $item['gravity'] = GRAVITY_ACTIVITY;
1461 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1462 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1465 $uid = intval($item['uid']);
1467 // check for create date and expire time
1468 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1470 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1471 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1472 $expire_interval = $user['expire'];
1475 if (($expire_interval > 0) && !empty($item['created'])) {
1476 $expire_date = time() - ($expire_interval * 86400);
1477 $created_date = strtotime($item['created']);
1478 if ($created_date < $expire_date) {
1479 Logger::notice('Item created before expiration interval.', [
1480 'created' => date('c', $created_date),
1481 'expired' => date('c', $expire_date),
1489 * Do we already have this item?
1490 * We have to check several networks since Friendica posts could be repeated
1491 * via OStatus (maybe Diasporsa as well)
1493 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1494 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1495 trim($item['uri']), $item['uid'],
1496 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1497 $existing = self::selectFirst(['id', 'network'], $condition);
1498 if (DBA::isResult($existing)) {
1499 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1501 Logger::notice('Item already existed for user', [
1502 'uri' => $item['uri'],
1504 'network' => $item['network'],
1505 'existing_id' => $existing["id"],
1506 'existing_network' => $existing["network"]
1510 return $existing["id"];
1514 $item['wall'] = intval($item['wall'] ?? 0);
1515 $item['extid'] = trim($item['extid'] ?? '');
1516 $item['author-name'] = trim($item['author-name'] ?? '');
1517 $item['author-link'] = trim($item['author-link'] ?? '');
1518 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1519 $item['owner-name'] = trim($item['owner-name'] ?? '');
1520 $item['owner-link'] = trim($item['owner-link'] ?? '');
1521 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1522 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1523 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1524 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1525 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1526 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1527 $item['title'] = trim($item['title'] ?? '');
1528 $item['location'] = trim($item['location'] ?? '');
1529 $item['coord'] = trim($item['coord'] ?? '');
1530 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1531 $item['deleted'] = 0;
1532 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1533 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1534 $item['verb'] = trim($item['verb'] ?? '');
1535 $item['object-type'] = trim($item['object-type'] ?? '');
1536 $item['object'] = trim($item['object'] ?? '');
1537 $item['target-type'] = trim($item['target-type'] ?? '');
1538 $item['target'] = trim($item['target'] ?? '');
1539 $item['plink'] = trim($item['plink'] ?? '');
1540 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1541 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1542 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1543 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1544 $item['private'] = intval($item['private'] ?? 0);
1545 $item['body'] = trim($item['body'] ?? '');
1546 $item['tag'] = trim($item['tag'] ?? '');
1547 $item['attach'] = trim($item['attach'] ?? '');
1548 $item['app'] = trim($item['app'] ?? '');
1549 $item['origin'] = intval($item['origin'] ?? 0);
1550 $item['postopts'] = trim($item['postopts'] ?? '');
1551 $item['resource-id'] = trim($item['resource-id'] ?? '');
1552 $item['event-id'] = intval($item['event-id'] ?? 0);
1553 $item['inform'] = trim($item['inform'] ?? '');
1554 $item['file'] = trim($item['file'] ?? '');
1556 // When there is no content then we don't post it
1557 if ($item['body'].$item['title'] == '') {
1558 Logger::notice('No body, no title.');
1562 self::addLanguageToItemArray($item);
1564 // Items cannot be stored before they happen ...
1565 if ($item['created'] > DateTimeFormat::utcNow()) {
1566 $item['created'] = DateTimeFormat::utcNow();
1569 // We haven't invented time travel by now.
1570 if ($item['edited'] > DateTimeFormat::utcNow()) {
1571 $item['edited'] = DateTimeFormat::utcNow();
1574 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1576 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1577 'photo' => $item['author-avatar'], 'network' => $item['network']];
1579 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1581 if (Contact::isBlocked($item['author-id'])) {
1582 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1586 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1587 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1591 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1592 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1596 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1597 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1599 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1601 if (Contact::isBlocked($item['owner-id'])) {
1602 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1606 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1607 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1611 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1612 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1616 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1617 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1618 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1622 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1623 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1627 // We don't store the causer, we only have it here for the checks above
1628 unset($item['causer-id']);
1629 unset($item['causer-link']);
1631 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1632 $item["contact-id"] = self::contactId($item);
1634 if ($item['network'] == Protocol::PHANTOM) {
1635 $item['network'] = Protocol::DFRN;
1636 Logger::notice('Missing network, setting to {network}.', [
1637 'uri' => $item["uri"],
1638 'network' => $item['network'],
1639 'callstack' => System::callstack()
1643 // Checking if there is already an item with the same guid
1644 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1645 if (self::exists($condition)) {
1646 Logger::notice('Found already existing item', [
1647 'guid' => $item['guid'],
1648 'uid' => $item['uid'],
1649 'network' => $item['network']
1654 if ($item['verb'] == Activity::FOLLOW) {
1655 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1656 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1657 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1661 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1662 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1663 if (self::exists($condition)) {
1664 // It happens that we receive multiple follow requests by the same author - we only store one.
1665 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1670 // Check for hashtags in the body and repair or add hashtag links
1671 self::setHashtags($item);
1673 $item['thr-parent'] = $item['parent-uri'];
1675 $notify_type = Delivery::POST;
1681 if ($item['parent-uri'] === $item['uri']) {
1683 $parent_deleted = 0;
1684 $allow_cid = $item['allow_cid'];
1685 $allow_gid = $item['allow_gid'];
1686 $deny_cid = $item['deny_cid'];
1687 $deny_gid = $item['deny_gid'];
1689 // find the parent and snarf the item id and ACLs
1690 // and anything else we need to inherit
1692 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1693 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1694 'wall', 'private', 'forum_mode', 'origin'];
1695 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1696 $params = ['order' => ['id' => false]];
1697 $parent = self::selectFirst($fields, $condition, $params);
1699 if (DBA::isResult($parent)) {
1700 // is the new message multi-level threaded?
1701 // even though we don't support it now, preserve the info
1702 // and re-attach to the conversation parent.
1704 if ($parent['uri'] != $parent['parent-uri']) {
1705 $item['parent-uri'] = $parent['parent-uri'];
1707 $condition = ['uri' => $item['parent-uri'],
1708 'parent-uri' => $item['parent-uri'],
1709 'uid' => $item['uid']];
1710 $params = ['order' => ['id' => false]];
1711 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1713 if (DBA::isResult($toplevel_parent)) {
1714 $parent = $toplevel_parent;
1718 $parent_id = $parent['id'];
1719 $parent_deleted = $parent['deleted'];
1720 $allow_cid = $parent['allow_cid'];
1721 $allow_gid = $parent['allow_gid'];
1722 $deny_cid = $parent['deny_cid'];
1723 $deny_gid = $parent['deny_gid'];
1724 $item['wall'] = $parent['wall'];
1727 * If the parent is private, force privacy for the entire conversation
1728 * This differs from the above settings as it subtly allows comments from
1729 * email correspondents to be private even if the overall thread is not.
1731 if ($parent['private']) {
1732 $item['private'] = $parent['private'];
1736 * Edge case. We host a public forum that was originally posted to privately.
1737 * The original author commented, but as this is a comment, the permissions
1738 * weren't fixed up so it will still show the comment as private unless we fix it here.
1740 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1741 $item['private'] = 0;
1744 // If its a post that originated here then tag the thread as "mention"
1745 if ($item['origin'] && $item['uid']) {
1746 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1747 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1751 * Allow one to see reply tweets from status.net even when
1752 * we don't have or can't see the original post.
1754 if ($force_parent) {
1755 Logger::log('$force_parent=true, reply converted to top-level post.');
1757 $item['parent-uri'] = $item['uri'];
1758 $item['gravity'] = GRAVITY_PARENT;
1760 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1764 $parent_deleted = 0;
1768 if (stristr($item['verb'], Activity::POKE)) {
1769 $notify_type = Delivery::POKE;
1772 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1773 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1775 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1776 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1777 if (self::exists($condition)) {
1778 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1782 // On Friendica and Diaspora the GUID is unique
1783 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1784 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1785 if (self::exists($condition)) {
1786 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1789 } elseif ($item['network'] == Protocol::OSTATUS) {
1790 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1791 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1792 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1793 if (self::exists($condition)) {
1794 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1799 // Is this item available in the global items (with uid=0)?
1800 if ($item["uid"] == 0) {
1801 $item["global"] = true;
1803 // Set the global flag on all items if this was a global item entry
1804 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1806 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1810 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1813 $private = $item['private'];
1816 $item["allow_cid"] = $allow_cid;
1817 $item["allow_gid"] = $allow_gid;
1818 $item["deny_cid"] = $deny_cid;
1819 $item["deny_gid"] = $deny_gid;
1820 $item["private"] = $private;
1821 $item["deleted"] = $parent_deleted;
1823 // Fill the cache field
1824 self::putInCache($item);
1827 $item['edit'] = false;
1828 $item['parent'] = $parent_id;
1829 Hook::callAll('post_local', $item);
1830 unset($item['edit']);
1831 unset($item['parent']);
1833 Hook::callAll('post_remote', $item);
1836 // This array field is used to trigger some automatic reactions
1837 // It is mainly used in the "post_local" hook.
1838 unset($item['api_source']);
1840 if (!empty($item['cancel'])) {
1841 Logger::log('post cancelled by addon.');
1846 * Check for already added items.
1847 * There is a timing issue here that sometimes creates double postings.
1848 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1850 if ($item["uid"] == 0) {
1851 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1852 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1857 Logger::log('' . print_r($item,true), Logger::DATA);
1859 if (array_key_exists('tag', $item)) {
1860 $tags = $item['tag'];
1861 unset($item['tag']);
1866 if (array_key_exists('file', $item)) {
1867 $files = $item['file'];
1868 unset($item['file']);
1873 // Creates or assigns the permission set
1874 $item['psid'] = PermissionSet::getIdFromACL(
1882 $item['allow_cid'] = null;
1883 $item['allow_gid'] = null;
1884 $item['deny_cid'] = null;
1885 $item['deny_gid'] = null;
1887 // We are doing this outside of the transaction to avoid timing problems
1888 if (!self::insertActivity($item)) {
1889 self::insertContent($item);
1892 $delivery_data = ItemDeliveryData::extractFields($item);
1894 unset($item['postopts']);
1895 unset($item['inform']);
1897 // These fields aren't stored anymore in the item table, they are fetched upon request
1898 unset($item['author-link']);
1899 unset($item['author-name']);
1900 unset($item['author-avatar']);
1901 unset($item['author-network']);
1903 unset($item['owner-link']);
1904 unset($item['owner-name']);
1905 unset($item['owner-avatar']);
1907 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1910 $ret = DBA::insert('item', $item);
1912 // When the item was successfully stored we fetch the ID of the item.
1913 if (DBA::isResult($ret)) {
1914 $current_post = DBA::lastInsertId();
1916 // This can happen - for example - if there are locking timeouts.
1919 // Store the data into a spool file so that we can try again later.
1920 self::spool($orig_item);
1924 if ($current_post == 0) {
1925 // This is one of these error messages that never should occur.
1926 Logger::log("couldn't find created item - we better quit now.");
1931 // How much entries have we created?
1932 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1933 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1936 // There are duplicates. We delete our just created entry.
1937 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1939 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1940 DBA::delete('item', ['id' => $current_post]);
1943 } elseif ($entries == 0) {
1944 // This really should never happen since we quit earlier if there were problems.
1945 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1950 Logger::log('created item '.$current_post);
1952 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1953 $parent_id = $current_post;
1957 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1959 $item['id'] = $current_post;
1960 $item['parent'] = $parent_id;
1962 // update the commented timestamp on the parent
1963 // Only update "commented" if it is really a comment
1964 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1965 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1967 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1972 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1973 * We can check for this condition when we decode and encode the stuff again.
1975 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1976 $dsprsig->signature = base64_decode($dsprsig->signature);
1977 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1980 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1981 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1983 // The other fields are used by very old Friendica servers, so we currently store them differently
1984 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1985 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1989 if (!empty($diaspora_signed_text)) {
1990 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1993 if ($item['parent-uri'] === $item['uri']) {
1994 self::addThread($current_post);
1996 self::updateThread($parent_id);
1999 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
2000 ItemDeliveryData::insert($current_post, $delivery_data);
2006 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
2007 * This is not perfect - but a workable solution until we found the reason for the problem.
2009 if (!empty($tags)) {
2010 Term::insertFromTagFieldByItemId($current_post, $tags);
2013 if (!empty($files)) {
2014 Term::insertFromFileFieldByItemId($current_post, $files);
2017 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2018 if (self::tagDeliver($item['uid'], $current_post)) {
2019 // Get the user information for the logging
2020 $user = User::getById($uid);
2022 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2027 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2028 if (DBA::isResult($posted_item)) {
2030 Hook::callAll('post_local_end', $posted_item);
2032 Hook::callAll('post_remote_end', $posted_item);
2035 Logger::log('new item not found in DB, id ' . $current_post);
2039 if ($item['parent-uri'] === $item['uri']) {
2040 self::addShadow($current_post);
2042 self::addShadowPost($current_post);
2045 self::updateContact($item);
2047 UserItem::setNotification($current_post);
2049 check_user_notification($current_post);
2051 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2052 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2055 return $current_post;
2059 * Insert a new item content entry
2061 * @param array $item The item fields that are to be inserted
2063 * @throws \Exception
2065 private static function insertActivity(&$item)
2067 $activity_index = self::activityToIndex($item['verb']);
2069 if ($activity_index < 0) {
2073 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2075 // We just remove everything that is content
2076 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2077 unset($item[$field]);
2080 // To avoid timing problems, we are using locks.
2081 $locked = DI::lock()->acquire('item_insert_activity');
2083 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2086 // Do we already have this content?
2087 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2088 if (DBA::isResult($item_activity)) {
2089 $item['iaid'] = $item_activity['id'];
2090 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2091 } elseif (DBA::insert('item-activity', $fields)) {
2092 $item['iaid'] = DBA::lastInsertId();
2093 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2095 // This shouldn't happen.
2096 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2097 DI::lock()->release('item_insert_activity');
2101 DI::lock()->release('item_insert_activity');
2107 * Insert a new item content entry
2109 * @param array $item The item fields that are to be inserted
2110 * @throws \Exception
2112 private static function insertContent(&$item)
2114 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2116 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2117 if (isset($item[$field])) {
2118 $fields[$field] = $item[$field];
2119 unset($item[$field]);
2123 // To avoid timing problems, we are using locks.
2124 $locked = DI::lock()->acquire('item_insert_content');
2126 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2129 // Do we already have this content?
2130 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2131 if (DBA::isResult($item_content)) {
2132 $item['icid'] = $item_content['id'];
2133 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2134 } elseif (DBA::insert('item-content', $fields)) {
2135 $item['icid'] = DBA::lastInsertId();
2136 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2138 // This shouldn't happen.
2139 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2142 DI::lock()->release('item_insert_content');
2147 * Update existing item content entries
2149 * @param array $item The item fields that are to be changed
2150 * @param array $condition The condition for finding the item content entries
2152 * @throws \Exception
2154 private static function updateActivity($item, $condition)
2156 if (empty($item['verb'])) {
2159 $activity_index = self::activityToIndex($item['verb']);
2161 if ($activity_index < 0) {
2165 $fields = ['activity' => $activity_index];
2167 Logger::log('Update activity for ' . json_encode($condition));
2169 DBA::update('item-activity', $fields, $condition, true);
2175 * Update existing item content entries
2177 * @param array $item The item fields that are to be changed
2178 * @param array $condition The condition for finding the item content entries
2179 * @throws \Exception
2181 private static function updateContent($item, $condition)
2183 // We have to select only the fields from the "item-content" table
2185 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2186 if (isset($item[$field])) {
2187 $fields[$field] = $item[$field];
2191 if (empty($fields)) {
2192 // when there are no fields at all, just use the condition
2193 // This is to ensure that we always store content.
2194 $fields = $condition;
2197 Logger::log('Update content for ' . json_encode($condition));
2199 DBA::update('item-content', $fields, $condition, true);
2203 * Distributes public items to the receivers
2205 * @param integer $itemid Item ID that should be added
2206 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2207 * @throws \Exception
2209 public static function distribute($itemid, $signed_text = '')
2211 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2212 $parent = self::selectFirst(['owner-id'], $condition);
2213 if (!DBA::isResult($parent)) {
2217 // Only distribute public items from native networks
2218 $condition = ['id' => $itemid, 'uid' => 0,
2219 'network' => array_merge(Protocol::FEDERATED ,['']),
2220 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2221 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2222 if (!DBA::isResult($item)) {
2226 $origin = $item['origin'];
2229 unset($item['parent']);
2230 unset($item['mention']);
2231 unset($item['wall']);
2232 unset($item['origin']);
2233 unset($item['starred']);
2237 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2238 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2239 if (!DBA::isResult($owner)) {
2243 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2244 $contacts = DBA::select('contact', ['uid'], $condition);
2245 while ($contact = DBA::fetch($contacts)) {
2246 if ($contact['uid'] == 0) {
2250 $users[$contact['uid']] = $contact['uid'];
2252 DBA::close($contacts);
2254 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2255 $contacts = DBA::select('contact', ['uid'], $condition);
2256 while ($contact = DBA::fetch($contacts)) {
2257 if ($contact['uid'] == 0) {
2261 $users[$contact['uid']] = $contact['uid'];
2263 DBA::close($contacts);
2265 if (!empty($owner['alias'])) {
2266 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2267 $contacts = DBA::select('contact', ['uid'], $condition);
2268 while ($contact = DBA::fetch($contacts)) {
2269 if ($contact['uid'] == 0) {
2273 $users[$contact['uid']] = $contact['uid'];
2275 DBA::close($contacts);
2280 if ($item['uri'] != $item['parent-uri']) {
2281 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2282 while ($parent = self::fetch($parents)) {
2283 $users[$parent['uid']] = $parent['uid'];
2284 if ($parent['origin'] && !$origin) {
2285 $origin_uid = $parent['uid'];
2290 foreach ($users as $uid) {
2291 if ($origin_uid == $uid) {
2292 $item['diaspora_signed_text'] = $signed_text;
2294 self::storeForUser($itemid, $item, $uid);
2299 * Store public items for the receivers
2301 * @param integer $itemid Item ID that should be added
2302 * @param array $item The item entry that will be stored
2303 * @param integer $uid The user that will receive the item entry
2304 * @throws \Exception
2306 private static function storeForUser($itemid, $item, $uid)
2308 $item['uid'] = $uid;
2309 $item['origin'] = 0;
2311 if ($item['uri'] == $item['parent-uri']) {
2312 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2314 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2317 if (empty($item['contact-id'])) {
2318 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2319 if (!DBA::isResult($self)) {
2322 $item['contact-id'] = $self['id'];
2325 /// @todo Handling of "event-id"
2328 if ($item['uri'] == $item['parent-uri']) {
2329 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2330 if (DBA::isResult($contact)) {
2331 $notify = self::isRemoteSelf($contact, $item);
2335 $distributed = self::insert($item, false, $notify, true);
2337 if (!$distributed) {
2338 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2340 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2345 * Add a shadow entry for a given item id that is a thread starter
2347 * We store every public item entry additionally with the user id "0".
2348 * This is used for the community page and for the search.
2349 * It is planned that in the future we will store public item entries only once.
2351 * @param integer $itemid Item ID that should be added
2352 * @throws \Exception
2354 public static function addShadow($itemid)
2356 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2357 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2358 $item = self::selectFirst($fields, $condition);
2360 if (!DBA::isResult($item)) {
2364 // is it already a copy?
2365 if (($itemid == 0) || ($item['uid'] == 0)) {
2369 // Is it a visible public post?
2370 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2374 // is it an entry from a connector? Only add an entry for natively connected networks
2375 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2379 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2383 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2385 if (DBA::isResult($item)) {
2386 // Preparing public shadow (removing user specific data)
2389 unset($item['parent']);
2390 unset($item['wall']);
2391 unset($item['mention']);
2392 unset($item['origin']);
2393 unset($item['starred']);
2394 unset($item['postopts']);
2395 unset($item['inform']);
2396 if ($item['uri'] == $item['parent-uri']) {
2397 $item['contact-id'] = $item['owner-id'];
2399 $item['contact-id'] = $item['author-id'];
2402 $public_shadow = self::insert($item, false, false, true);
2404 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2409 * Add a shadow entry for a given item id that is a comment
2411 * This function does the same like the function above - but for comments
2413 * @param integer $itemid Item ID that should be added
2414 * @throws \Exception
2416 public static function addShadowPost($itemid)
2418 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2419 if (!DBA::isResult($item)) {
2423 // Is it a toplevel post?
2424 if ($item['id'] == $item['parent']) {
2425 self::addShadow($itemid);
2429 // Is this a shadow entry?
2430 if ($item['uid'] == 0) {
2434 // Is there a shadow parent?
2435 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2439 // Is there already a shadow entry?
2440 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2444 // Save "origin" and "parent" state
2445 $origin = $item['origin'];
2446 $parent = $item['parent'];
2448 // Preparing public shadow (removing user specific data)
2451 unset($item['parent']);
2452 unset($item['wall']);
2453 unset($item['mention']);
2454 unset($item['origin']);
2455 unset($item['starred']);
2456 unset($item['postopts']);
2457 unset($item['inform']);
2458 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2460 $public_shadow = self::insert($item, false, false, true);
2462 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2464 // If this was a comment to a Diaspora post we don't get our comment back.
2465 // This means that we have to distribute the comment by ourselves.
2466 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2467 self::distribute($public_shadow);
2472 * Adds a language specification in a "language" element of given $arr.
2473 * Expects "body" element to exist in $arr.
2476 * @throws \Text_LanguageDetect_Exception
2478 private static function addLanguageToItemArray(&$item)
2480 $naked_body = BBCode::toPlaintext($item['body'], false);
2482 $ld = new Text_LanguageDetect();
2483 $ld->setNameMode(2);
2484 $languages = $ld->detect($naked_body, 3);
2486 if (is_array($languages)) {
2487 $item['language'] = json_encode($languages);
2492 * Creates an unique guid out of a given uri
2494 * @param string $uri uri of an item entry
2495 * @param string $host hostname for the GUID prefix
2496 * @return string unique guid
2498 public static function guidFromUri($uri, $host)
2500 // Our regular guid routine is using this kind of prefix as well
2501 // We have to avoid that different routines could accidentally create the same value
2502 $parsed = parse_url($uri);
2504 // We use a hash of the hostname as prefix for the guid
2505 $guid_prefix = hash("crc32", $host);
2507 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2508 unset($parsed["scheme"]);
2510 // Glue it together to be able to make a hash from it
2511 $host_id = implode("/", $parsed);
2513 // We could use any hash algorithm since it isn't a security issue
2514 $host_hash = hash("ripemd128", $host_id);
2516 return $guid_prefix.$host_hash;
2520 * generate an unique URI
2522 * @param integer $uid User id
2523 * @param string $guid An existing GUID (Otherwise it will be generated)
2526 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2528 public static function newURI($uid, $guid = "")
2531 $guid = System::createUUID();
2534 return DI::baseUrl()->get() . '/objects/' . $guid;
2538 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2540 * This can be used to filter for inactive contacts.
2541 * Only do this for public postings to avoid privacy problems, since poco data is public.
2542 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2544 * @param array $arr Contains the just posted item record
2545 * @throws \Exception
2547 private static function updateContact($arr)
2549 // Unarchive the author
2550 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2551 if (DBA::isResult($contact)) {
2552 Contact::unmarkForArchival($contact);
2555 // Unarchive the contact if it's not our own contact
2556 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2557 if (DBA::isResult($contact)) {
2558 Contact::unmarkForArchival($contact);
2561 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2563 // Is it a forum? Then we don't care about the rules from above
2564 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2565 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2571 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2572 ['id' => $arr['contact-id']]);
2574 // Now do the same for the system wide contacts with uid=0
2575 if (!$arr['private']) {
2576 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2577 ['id' => $arr['owner-id']]);
2579 if ($arr['owner-id'] != $arr['author-id']) {
2580 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2581 ['id' => $arr['author-id']]);
2586 public static function setHashtags(&$item)
2588 $tags = BBCode::getTags($item["body"]);
2591 if (!count($tags)) {
2595 // What happens in [code], stays in [code]!
2596 // escape the # and the [
2597 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2598 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2600 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2602 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2603 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2606 // This sorting is important when there are hashtags that are part of other hashtags
2607 // Otherwise there could be problems with hashtags like #test and #test2
2610 $URLSearchString = "^\[\]";
2612 // All hashtags should point to the home server if "local_tags" is activated
2613 if (DI::config()->get('system', 'local_tags')) {
2614 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2615 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2617 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2618 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2621 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2622 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2624 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2627 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2629 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2632 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2634 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2637 // Repair recursive urls
2638 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2639 "#$2", $item["body"]);
2641 foreach ($tags as $tag) {
2642 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2646 $basetag = str_replace('_',' ',substr($tag,1));
2647 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2649 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2651 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2652 if (strlen($item["tag"])) {
2653 $item["tag"] = ',' . $item["tag"];
2655 $item["tag"] = $newtag . $item["tag"];
2659 // Convert back the masked hashtags
2660 $item["body"] = str_replace("#", "#", $item["body"]);
2662 // Remember! What happens in [code], stays in [code]
2663 // roleback the # and [
2664 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2666 // we truly unESCape all sharp and leftsquarebracket
2667 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2668 $replace = ['#', '['];
2669 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2674 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2677 * @param int $item_id
2678 * @return boolean true if item was deleted, else false
2679 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2680 * @throws \ImagickException
2682 private static function tagDeliver($uid, $item_id)
2686 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2687 if (!DBA::isResult($user)) {
2691 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2692 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2694 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2695 if (!DBA::isResult($item)) {
2699 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2702 * Diaspora uses their own hardwired link URL in @-tags
2703 * instead of the one we supply with webfinger
2705 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2707 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2709 foreach ($matches as $mtch) {
2710 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2712 Logger::log('mention found: ' . $mtch[2]);
2718 if (($community_page || $prvgroup) &&
2719 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2720 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2722 Logger::log("no-mention top-level post to community or private group. delete.");
2723 DBA::delete('item', ['id' => $item_id]);
2729 $arr = ['item' => $item, 'user' => $user];
2731 Hook::callAll('tagged', $arr);
2733 if (!$community_page && !$prvgroup) {
2738 * tgroup delivery - setup a second delivery chain
2739 * prevent delivery looping - only proceed
2740 * if the message originated elsewhere and is a top-level post
2742 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2746 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2747 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2748 if (!DBA::isResult($self)) {
2752 $owner_id = Contact::getIdForURL($self['url']);
2754 // also reset all the privacy bits to the forum default permissions
2756 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2758 $psid = PermissionSet::getIdFromACL(
2766 $forum_mode = ($prvgroup ? 2 : 1);
2768 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2769 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2770 self::update($fields, ['id' => $item_id]);
2772 self::updateThread($item_id);
2774 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2779 public static function isRemoteSelf($contact, &$datarray)
2781 if (!$contact['remote_self']) {
2785 // Prevent the forwarding of posts that are forwarded
2786 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2787 Logger::log('Already forwarded', Logger::DEBUG);
2791 // Prevent to forward already forwarded posts
2792 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2793 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2797 // Only forward posts
2798 if ($datarray["verb"] != Activity::POST) {
2799 Logger::log('No post', Logger::DEBUG);
2803 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2804 Logger::log('Not public', Logger::DEBUG);
2808 $datarray2 = $datarray;
2809 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2810 if ($contact['remote_self'] == 2) {
2811 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2812 ['uid' => $contact['uid'], 'self' => true]);
2813 if (DBA::isResult($self)) {
2814 $datarray['contact-id'] = $self["id"];
2816 $datarray['owner-name'] = $self["name"];
2817 $datarray['owner-link'] = $self["url"];
2818 $datarray['owner-avatar'] = $self["thumb"];
2820 $datarray['author-name'] = $datarray['owner-name'];
2821 $datarray['author-link'] = $datarray['owner-link'];
2822 $datarray['author-avatar'] = $datarray['owner-avatar'];
2824 unset($datarray['edited']);
2826 unset($datarray['network']);
2827 unset($datarray['owner-id']);
2828 unset($datarray['author-id']);
2831 if ($contact['network'] != Protocol::FEED) {
2832 $datarray["guid"] = System::createUUID();
2833 unset($datarray["plink"]);
2834 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2835 $datarray["parent-uri"] = $datarray["uri"];
2836 $datarray["thr-parent"] = $datarray["uri"];
2837 $datarray["extid"] = Protocol::DFRN;
2838 $urlpart = parse_url($datarray2['author-link']);
2839 $datarray["app"] = $urlpart["host"];
2841 $datarray['private'] = 0;
2845 if ($contact['network'] != Protocol::FEED) {
2846 // Store the original post
2847 $result = self::insert($datarray2, false, false);
2848 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2850 $datarray["app"] = "Feed";
2854 // Trigger automatic reactions for addons
2855 $datarray['api_source'] = true;
2857 // We have to tell the hooks who we are - this really should be improved
2858 $_SESSION["authenticated"] = true;
2859 $_SESSION["uid"] = $contact['uid'];
2868 * @param array $item
2871 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2872 * @throws \ImagickException
2874 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2876 if (DI::config()->get('system', 'disable_embedded')) {
2880 Logger::log('check for photos', Logger::DEBUG);
2881 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2886 $img_start = strpos($orig_body, '[img');
2887 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2888 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2890 while (($img_st_close !== false) && ($img_len !== false)) {
2891 $img_st_close++; // make it point to AFTER the closing bracket
2892 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2894 Logger::log('found photo ' . $image, Logger::DEBUG);
2896 if (stristr($image, $site . '/photo/')) {
2897 // Only embed locally hosted photos
2899 $i = basename($image);
2900 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2901 $x = strpos($i, '-');
2904 $res = substr($i, $x + 1);
2905 $i = substr($i, 0, $x);
2906 $photo = Photo::getPhotoForUser($uid, $i, $res);
2907 if (DBA::isResult($photo)) {
2909 * Check to see if we should replace this photo link with an embedded image
2910 * 1. No need to do so if the photo is public
2911 * 2. If there's a contact-id provided, see if they're in the access list
2912 * for the photo. If so, embed it.
2913 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2914 * permissions, regardless of order but first check to see if they're an exact
2915 * match to save some processing overhead.
2917 if (self::hasPermissions($photo)) {
2919 $recips = self::enumeratePermissions($photo);
2920 if (in_array($cid, $recips)) {
2924 if (self::samePermissions($uid, $item, $photo)) {
2930 $photo_img = Photo::getImageForPhoto($photo);
2931 // If a custom width and height were specified, apply before embedding
2932 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2933 Logger::log('scaling photo', Logger::DEBUG);
2935 $width = intval($match[1]);
2936 $height = intval($match[2]);
2938 $photo_img->scaleDown(max($width, $height));
2941 $data = $photo_img->asString();
2942 $type = $photo_img->getType();
2944 Logger::log('replacing photo', Logger::DEBUG);
2945 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2946 Logger::log('replaced: ' . $image, Logger::DATA);
2952 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2953 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2954 if ($orig_body === false) {
2958 $img_start = strpos($orig_body, '[img');
2959 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2960 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2963 $new_body = $new_body . $orig_body;
2968 private static function hasPermissions($obj)
2970 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2971 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2974 private static function samePermissions($uid, $obj1, $obj2)
2976 // first part is easy. Check that these are exactly the same.
2977 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2978 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2979 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2980 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2984 // This is harder. Parse all the permissions and compare the resulting set.
2985 $recipients1 = self::enumeratePermissions($obj1);
2986 $recipients2 = self::enumeratePermissions($obj2);
2990 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2991 return ($recipients1 == $recipients2);
2995 * Returns an array of contact-ids that are allowed to see this object
2997 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2998 * @param bool $check_dead Prunes unavailable contacts from the result
3000 * @throws \Exception
3002 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3004 $aclFormater = DI::aclFormatter();
3006 $allow_people = $aclFormater->expand($obj['allow_cid']);
3007 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3008 $deny_people = $aclFormater->expand($obj['deny_cid']);
3009 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3010 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3011 $deny = array_unique(array_merge($deny_people, $deny_groups));
3012 $recipients = array_diff($recipients, $deny);
3016 public static function getFeedTags($item)
3020 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3022 for ($x = 0; $x < $cnt; $x ++) {
3023 if ($matches[1][$x]) {
3024 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3029 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3031 for ($x = 0; $x < $cnt; $x ++) {
3032 if ($matches[1][$x]) {
3033 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3040 public static function expire($uid, $days, $network = "", $force = false)
3042 if (!$uid || ($days < 1)) {
3046 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3047 $uid, GRAVITY_PARENT];
3050 * $expire_network_only = save your own wall posts
3051 * and just expire conversations started by others
3053 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3055 if ($expire_network_only) {
3056 $condition[0] .= " AND NOT `wall`";
3059 if ($network != "") {
3060 $condition[0] .= " AND `network` = ?";
3061 $condition[] = $network;
3064 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3065 $condition[] = $days;
3067 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3069 if (!DBA::isResult($items)) {
3073 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3075 // Forcing expiring of items - but not notes and marked items
3077 $expire_items = true;
3080 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3081 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3082 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3086 while ($item = Item::fetch($items)) {
3087 // don't expire filed items
3089 if (strpos($item['file'], '[') !== false) {
3093 // Only expire posts, not photos and photo comments
3095 if (!$expire_photos && strlen($item['resource-id'])) {
3097 } elseif (!$expire_starred && intval($item['starred'])) {
3099 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3101 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3105 self::deleteById($item['id'], PRIORITY_LOW);
3110 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3113 public static function firstPostDate($uid, $wall = false)
3115 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3116 $params = ['order' => ['received' => false]];
3117 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3118 if (DBA::isResult($thread)) {
3119 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3125 * add/remove activity to an item
3127 * Toggle activities as like,dislike,attend of an item
3129 * @param string $item_id
3130 * @param string $verb
3131 * Activity verb. One of
3132 * like, unlike, dislike, undislike, attendyes, unattendyes,
3133 * attendno, unattendno, attendmaybe, unattendmaybe
3135 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3136 * @throws \ImagickException
3137 * @hook 'post_local_end'
3139 * 'post_id' => ID of posted item
3141 public static function performLike($item_id, $verb)
3143 if (!Session::isAuthenticated()) {
3150 $activity = Activity::LIKE;
3154 $activity = Activity::DISLIKE;
3158 $activity = Activity::ATTEND;
3162 $activity = Activity::ATTENDNO;
3165 case 'unattendmaybe':
3166 $activity = Activity::ATTENDMAYBE;
3169 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3173 // Enable activity toggling instead of on/off
3174 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3176 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3178 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3179 if (!DBA::isResult($item)) {
3180 Logger::log('like: unknown item ' . $item_id);
3184 $item_uri = $item['uri'];
3186 $uid = $item['uid'];
3187 if (($uid == 0) && local_user()) {
3188 $uid = local_user();
3191 if (!Security::canWriteToUserWall($uid)) {
3192 Logger::log('like: unable to write on wall ' . $uid);
3196 // Retrieves the local post owner
3197 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3198 if (!DBA::isResult($owner_self_contact)) {
3199 Logger::log('like: unknown owner ' . $uid);
3203 // Retrieve the current logged in user's public contact
3204 $author_id = public_contact();
3206 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3207 if (!DBA::isResult($author_contact)) {
3208 Logger::log('like: unknown author ' . $author_id);
3212 // Contact-id is the uid-dependant author contact
3213 if (local_user() == $uid) {
3214 $item_contact_id = $owner_self_contact['id'];
3216 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3217 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3218 if (!DBA::isResult($item_contact)) {
3219 Logger::log('like: unknown item contact ' . $item_contact_id);
3224 // Look for an existing verb row
3225 // event participation are essentially radio toggles. If you make a subsequent choice,
3226 // we need to eradicate your first choice.
3227 if ($event_verb_flag) {
3228 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3230 // Translate to the index based activity index
3232 foreach ($verbs as $verb) {
3233 $activities[] = self::activityToIndex($verb);
3236 $activities = self::activityToIndex($activity);
3239 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3240 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3242 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3244 // If it exists, mark it as deleted
3245 if (DBA::isResult($like_item)) {
3246 self::deleteById($like_item['id']);
3248 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3253 // Verb is "un-something", just trying to delete existing entries
3254 if (strpos($verb, 'un') === 0) {
3258 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3261 'guid' => System::createUUID(),
3262 'uri' => self::newURI($item['uid']),
3263 'uid' => $item['uid'],
3264 'contact-id' => $item_contact_id,
3265 'wall' => $item['wall'],
3267 'network' => Protocol::DFRN,
3268 'gravity' => GRAVITY_ACTIVITY,
3269 'parent' => $item['id'],
3270 'parent-uri' => $item['uri'],
3271 'thr-parent' => $item['uri'],
3272 'owner-id' => $author_id,
3273 'author-id' => $author_id,
3274 'body' => $activity,
3275 'verb' => $activity,
3276 'object-type' => $objtype,
3277 'allow_cid' => $item['allow_cid'],
3278 'allow_gid' => $item['allow_gid'],
3279 'deny_cid' => $item['deny_cid'],
3280 'deny_gid' => $item['deny_gid'],
3285 $signed = Diaspora::createLikeSignature($uid, $new_item);
3286 if (!empty($signed)) {
3287 $new_item['diaspora_signed_text'] = json_encode($signed);
3290 $new_item_id = self::insert($new_item);
3292 // If the parent item isn't visible then set it to visible
3293 if (!$item['visible']) {
3294 self::update(['visible' => true], ['id' => $item['id']]);
3297 $new_item['id'] = $new_item_id;
3299 Hook::callAll('post_local_end', $new_item);
3304 private static function addThread($itemid, $onlyshadow = false)
3306 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3307 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3308 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3309 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3310 $item = self::selectFirst($fields, $condition);
3312 if (!DBA::isResult($item)) {
3316 $item['iid'] = $itemid;
3319 $result = DBA::insert('thread', $item);
3321 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3325 private static function updateThread($itemid, $setmention = false)
3327 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3328 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3329 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3330 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3332 $item = self::selectFirst($fields, $condition);
3333 if (!DBA::isResult($item)) {
3338 $item["mention"] = 1;
3343 foreach ($item as $field => $data) {
3344 if (!in_array($field, ["guid"])) {
3345 $fields[$field] = $data;
3349 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3351 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3354 private static function deleteThread($itemid, $itemuri = "")
3356 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3357 if (!DBA::isResult($item)) {
3358 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3362 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3364 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3366 if ($itemuri != "") {
3367 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3368 if (!self::exists($condition)) {
3369 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3370 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3375 public static function getPermissionsSQLByUserId($owner_id)
3377 $local_user = local_user();
3378 $remote_user = Session::getRemoteContactID($owner_id);
3381 * Construct permissions
3383 * default permissions - anonymous user
3385 $sql = " AND NOT `item`.`private`";
3387 // Profile owner - everything is visible
3388 if ($local_user && ($local_user == $owner_id)) {
3390 } elseif ($remote_user) {
3392 * Authenticated visitor. Unless pre-verified,
3393 * check that the contact belongs to this $owner_id
3394 * and load the groups the visitor belongs to.
3395 * If pre-verified, the caller is expected to have already
3396 * done this and passed the groups into this function.
3398 $set = PermissionSet::get($owner_id, $remote_user);
3401 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3406 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3413 * get translated item type
3418 public static function postType($item)
3420 if (!empty($item['event-id'])) {
3421 return DI::l10n()->t('event');
3422 } elseif (!empty($item['resource-id'])) {
3423 return DI::l10n()->t('photo');
3424 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3425 return DI::l10n()->t('activity');
3426 } elseif ($item['id'] != $item['parent']) {
3427 return DI::l10n()->t('comment');
3430 return DI::l10n()->t('post');
3434 * Sets the "rendered-html" field of the provided item
3436 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3438 * @param array $item
3439 * @param bool $update
3441 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3442 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3444 public static function putInCache(&$item, $update = false)
3446 $body = $item["body"];
3448 $rendered_hash = $item['rendered-hash'] ?? '';
3449 $rendered_html = $item['rendered-html'] ?? '';
3451 if ($rendered_hash == ''
3452 || $rendered_html == ""
3453 || $rendered_hash != hash("md5", $item["body"])
3454 || DI::config()->get("system", "ignore_cache")
3456 self::addRedirToImageTags($item);
3458 $item["rendered-html"] = BBCode::convert($item["body"]);
3459 $item["rendered-hash"] = hash("md5", $item["body"]);
3461 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3462 Hook::callAll('put_item_in_cache', $hook_data);
3463 $item['rendered-html'] = $hook_data['rendered-html'];
3464 $item['rendered-hash'] = $hook_data['rendered-hash'];
3467 // Force an update if the generated values differ from the existing ones
3468 if ($rendered_hash != $item["rendered-hash"]) {
3472 // Only compare the HTML when we forcefully ignore the cache
3473 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3477 if ($update && !empty($item["id"])) {
3480 'rendered-html' => $item["rendered-html"],
3481 'rendered-hash' => $item["rendered-hash"]
3483 ['id' => $item["id"]]
3488 $item["body"] = $body;
3492 * Find any non-embedded images in private items and add redir links to them
3494 * @param array &$item The field array of an item row
3496 private static function addRedirToImageTags(array &$item)
3501 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3503 foreach ($matches as $mtch) {
3504 if (strpos($mtch[1], '/redir') !== false) {
3508 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3509 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3510 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3517 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3518 * If attach is true, also add icons for item attachments.
3520 * @param array $item
3521 * @param boolean $attach
3522 * @param boolean $is_preview
3523 * @return string item body html
3524 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3525 * @throws \ImagickException
3526 * @hook prepare_body_init item array before any work
3527 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3528 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3529 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3531 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3534 Hook::callAll('prepare_body_init', $item);
3536 // In order to provide theme developers more possibilities, event items
3537 // are treated differently.
3538 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3539 $ev = Event::getItemHTML($item);
3543 $tags = Term::populateTagsFromItem($item);
3545 $item['tags'] = $tags['tags'];
3546 $item['hashtags'] = $tags['hashtags'];
3547 $item['mentions'] = $tags['mentions'];
3549 // Compile eventual content filter reasons
3550 $filter_reasons = [];
3551 if (!$is_preview && public_contact() != $item['author-id']) {
3552 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3553 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3558 'filter_reasons' => $filter_reasons
3560 Hook::callAll('prepare_body_content_filter', $hook_data);
3561 $filter_reasons = $hook_data['filter_reasons'];
3565 // Update the cached values if there is no "zrl=..." on the links.
3566 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3568 // Or update it if the current viewer is the intented viewer.
3569 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3573 self::putInCache($item, $update);
3574 $s = $item["rendered-html"];
3579 'preview' => $is_preview,
3580 'filter_reasons' => $filter_reasons
3582 Hook::callAll('prepare_body', $hook_data);
3583 $s = $hook_data['html'];
3587 // Replace the blockquotes with quotes that are used in mails.
3588 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3589 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3596 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3597 foreach ($matches as $mtch) {
3600 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3602 if (strpos($mime, 'video') !== false) {
3605 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3608 $url_parts = explode('/', $the_url);
3609 $id = end($url_parts);
3610 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3613 'title' => DI::l10n()->t('View Video'),
3620 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3622 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3623 $filesubtype = str_replace('.', '-', $filesubtype);
3626 $filesubtype = 'unkn';
3629 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3630 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3632 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3633 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3637 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3641 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3642 $x = Map::byCoordinates(trim($item['coord']));
3644 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3648 // Replace friendica image url size with theme preference.
3649 if (!empty($a->theme_info['item_image_size'])) {
3650 $ps = $a->theme_info['item_image_size'];
3651 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3654 $s = HTML::applyContentFilter($s, $filter_reasons);
3656 $hook_data = ['item' => $item, 'html' => $s];
3657 Hook::callAll('prepare_body_final', $hook_data);
3659 return $hook_data['html'];
3663 * get private link for item
3665 * @param array $item
3666 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3667 * @throws \Exception
3669 public static function getPlink($item)
3673 if ($a->user['nickname'] != "") {
3675 'href' => "display/" . $item['guid'],
3676 'orig' => "display/" . $item['guid'],
3677 'title' => DI::l10n()->t('View on separate page'),
3678 'orig_title' => DI::l10n()->t('view on separate page'),
3681 if (!empty($item['plink'])) {
3682 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3683 $ret["title"] = DI::l10n()->t('link to source');
3686 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3688 'href' => $item['plink'],
3689 'orig' => $item['plink'],
3690 'title' => DI::l10n()->t('link to source'),
3700 * Is the given item array a post that is sent as starting post to a forum?
3702 * @param array $item
3703 * @param array $owner
3705 * @return boolean "true" when it is a forum post
3707 public static function isForumPost(array $item, array $owner = [])
3709 if (empty($owner)) {
3710 $owner = User::getOwnerDataById($item['uid']);
3711 if (empty($owner)) {
3716 if (($item['author-id'] == $item['owner-id']) ||
3717 ($owner['id'] == $item['contact-id']) ||
3718 ($item['uri'] != $item['parent-uri']) ||
3723 return Contact::isForum($item['contact-id']);
3727 * Search item id for given URI or plink
3729 * @param string $uri
3730 * @param integer $uid
3732 * @return integer item id
3734 public static function searchByLink($uri, $uid = 0)
3736 $ssl_uri = str_replace('http://', 'https://', $uri);
3737 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3739 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3740 if (DBA::isResult($item)) {
3744 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3745 if (!DBA::isResult($itemcontent)) {
3749 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3750 if (!DBA::isResult($itemuri)) {
3754 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3755 if (DBA::isResult($item)) {
3763 * Return the URI for a link to the post
3765 * @param string $uri URI or link to post
3767 * @return string URI
3769 public static function getURIByLink(string $uri)
3771 $ssl_uri = str_replace('http://', 'https://', $uri);
3772 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3774 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3775 if (DBA::isResult($item)) {
3776 return $item['uri'];
3779 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3780 if (!DBA::isResult($itemcontent)) {
3784 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3785 if (DBA::isResult($itemuri)) {
3786 return $itemuri['uri'];
3793 * Fetches item for given URI or plink
3795 * @param string $uri
3796 * @param integer $uid
3798 * @return integer item id
3800 public static function fetchByLink($uri, $uid = 0)
3802 $item_id = self::searchByLink($uri, $uid);
3803 if (!empty($item_id)) {
3807 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3808 $item_id = self::searchByLink($fetched_uri, $uid);
3810 $item_id = Diaspora::fetchByURL($uri);
3813 if (!empty($item_id)) {
3821 * Return share data from an item array (if the item is shared item)
3822 * We are providing the complete Item array, because at some time in the future
3823 * we hopefully will define these values not in the body anymore but in some item fields.
3824 * This function is meant to replace all similar functions in the system.
3826 * @param array $item
3828 * @return array with share information
3830 public static function getShareArray($item)
3832 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3836 $attribute_string = $matches[2];
3837 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3838 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3839 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3840 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3847 * Fetch item information for shared items from the original items and adds it.
3849 * @param array $item
3851 * @return array item array with data from the original item
3853 public static function addShareDataFromOriginal($item)
3855 $shared = self::getShareArray($item);
3856 if (empty($shared)) {
3860 // Real reshares always have got a GUID.
3861 if (empty($shared['guid'])) {
3865 $uid = $item['uid'] ?? 0;
3867 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3868 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3869 if (!DBA::isResult($shared_item)) {
3870 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3871 $id = self::fetchByLink($shared['link'], $uid);
3873 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3877 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3878 if (!DBA::isResult($shared_item)) {
3881 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3883 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3886 if (!empty($shared_item['title'])) {
3887 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3888 unset($shared_item['title']);
3890 $body = $shared_item['body'];
3893 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3894 unset($shared_item['body']);
3896 return array_merge($item, $shared_item);