3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Model\Tag;
33 use Friendica\Core\Worker;
34 use Friendica\Database\DBA;
35 use Friendica\Database\DBStructure;
37 use Friendica\Model\Post;
38 use Friendica\Protocol\Activity;
39 use Friendica\Protocol\ActivityPub;
40 use Friendica\Protocol\Diaspora;
41 use Friendica\Util\DateTimeFormat;
42 use Friendica\Util\Map;
43 use Friendica\Util\Network;
44 use Friendica\Util\Strings;
45 use Friendica\Worker\Delivery;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
47 use LanguageDetection\Language;
51 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
58 const PT_DOCUMENT = 19;
65 const PT_FOLLOWER = 69;
66 const PT_ANNOUNCEMENT = 70;
67 const PT_COMMENT = 71;
71 const PT_FETCHED = 75;
72 const PT_PERSONAL_NOTE = 128;
74 // Field list that is used to display the items
75 const DISPLAY_FIELDLIST = [
76 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
77 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
78 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'language',
79 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
80 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
81 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
82 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
83 'causer-id', 'causer-link', 'causer-name', 'causer-avatar', 'causer-contact-type',
84 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
85 'writable', 'self', 'cid', 'alias', 'pinned',
86 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
87 'event-summary', 'event-desc', 'event-location', 'event-type',
88 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
89 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
92 // Field list that is used to deliver items via the protocols
93 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
94 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
95 'private', 'title', 'body', 'location', 'coord', 'app',
96 'deleted', 'extid', 'post-type', 'gravity',
97 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
98 'author-id', 'author-link', 'owner-link', 'contact-uid',
99 'signed_text', 'signature', 'signer', 'network'];
101 // Field list for "item-content" table that is mixed with the item table
102 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
103 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
104 'object-type', 'object', 'target-type', 'target', 'plink'];
106 // Field list for "item-content" table that is not present in the "item" table
107 const CONTENT_FIELDLIST = ['language', 'raw-body'];
109 // All fields in the item table
110 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
111 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid',
112 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'psid',
113 'created', 'edited', 'commented', 'received', 'changed', 'verb',
114 'postopts', 'plink', 'resource-id', 'event-id', 'inform',
115 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
116 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
117 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
118 'title', 'content-warning', 'body', 'location', 'coord', 'app',
119 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
120 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
121 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'causer-id'];
123 // List of all verbs that don't need additional content data.
124 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
126 Activity::LIKE, Activity::DISLIKE,
127 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
135 const TABLES = ['item', 'user-item', 'item-content', 'post-delivery-data', 'diaspora-interaction'];
137 private static $legacy_mode = null;
139 private static function getItemFields()
141 $definition = DBStructure::definition('', false);
144 foreach (self::TABLES as $table) {
145 $postfields[$table] = array_keys($definition[$table]['fields']);
151 public static function isLegacyMode()
153 if (is_null(self::$legacy_mode)) {
154 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
157 return self::$legacy_mode;
161 * Set the pinned state of an item
163 * @param integer $iid Item ID
164 * @param integer $uid User ID
165 * @param boolean $pinned Pinned state
167 public static function setPinned(int $iid, int $uid, bool $pinned)
169 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
173 * Get the pinned state
175 * @param integer $iid Item ID
176 * @param integer $uid User ID
178 * @return boolean pinned state
180 public static function getPinned(int $iid, int $uid)
182 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
183 if (!DBA::isResult($useritem)) {
186 return (bool)$useritem['pinned'];
190 * Select pinned rows from the item table for a given user
192 * @param integer $uid User ID
193 * @param array $selected Array of selected fields, empty for all
194 * @param array $condition Array of fields for condition
195 * @param array $params Array of several parameters
197 * @return boolean|object
200 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
202 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
203 if (!DBA::isResult($useritems)) {
208 while ($useritem = DBA::fetch($useritems)) {
209 $pinned[] = $useritem['iid'];
211 DBA::close($useritems);
213 if (empty($pinned)) {
217 $condition = DBA::mergeConditions(['iid' => $pinned], $condition);
219 return self::selectThreadForUser($uid, $selected, $condition, $params);
223 * Fetch a single item row
225 * @param mixed $stmt statement object
226 * @return array|false current row or false
229 public static function fetch($stmt)
231 $row = DBA::fetch($stmt);
233 if (!is_array($row)) {
237 $row = DBA::castFields('item', $row);
239 // ---------------------- Transform item structure data ----------------------
241 // We prefer the data from the user's contact over the public one
242 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
243 ($row['author-link'] == $row['contact-link'])) {
244 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
245 $row['author-avatar'] = $row['contact-avatar'];
247 if (isset($row['author-name']) && !empty($row['contact-name'])) {
248 $row['author-name'] = $row['contact-name'];
252 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
253 ($row['owner-link'] == $row['contact-link'])) {
254 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
255 $row['owner-avatar'] = $row['contact-avatar'];
257 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
258 $row['owner-name'] = $row['contact-name'];
262 // We can always comment on posts from these networks
263 if (array_key_exists('writable', $row) &&
264 in_array($row['internal-network'], Protocol::FEDERATED)) {
265 $row['writable'] = true;
268 // ---------------------- Transform item content data ----------------------
270 // Fetch data from the item-content table whenever there is content there
271 if (self::isLegacyMode()) {
272 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
273 foreach ($legacy_fields as $field) {
274 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
275 $row[$field] = $row['internal-item-' . $field];
277 unset($row['internal-item-' . $field]);
281 if (array_key_exists('verb', $row)) {
282 if (!is_null($row['internal-verb'])) {
283 $row['verb'] = $row['internal-verb'];
286 if (in_array($row['verb'], self::ACTIVITIES)) {
287 if (array_key_exists('title', $row)) {
290 if (array_key_exists('body', $row)) {
291 $row['body'] = $row['verb'];
293 if (array_key_exists('object', $row)) {
296 if (array_key_exists('object-type', $row)) {
297 $row['object-type'] = Activity\ObjectType::NOTE;
299 } elseif (in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
300 // Posts don't have a target - but having tags or files.
301 if (array_key_exists('target', $row)) {
307 if (array_key_exists('vid', $row) && is_null($row['vid']) && !empty($row['verb'])) {
308 $row['vid'] = Verb::getID($row['verb']);
311 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
312 // Build the file string out of the term entries
313 if (array_key_exists('file', $row) && empty($row['file'])) {
314 $row['file'] = Post\Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
318 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
319 if (array_key_exists('allow_cid', $row)) {
320 $row['allow_cid'] = '';
322 if (array_key_exists('allow_gid', $row)) {
323 $row['allow_gid'] = '';
325 if (array_key_exists('deny_cid', $row)) {
326 $row['deny_cid'] = '';
328 if (array_key_exists('deny_gid', $row)) {
329 $row['deny_gid'] = '';
333 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
334 $row['ignored'] = $row['internal-user-ignored'];
337 // Remove internal fields
338 unset($row['internal-network']);
339 unset($row['internal-uri-id']);
340 unset($row['internal-uid']);
341 unset($row['internal-psid']);
342 unset($row['internal-verb']);
343 unset($row['internal-user-ignored']);
344 unset($row['interaction']);
350 * Fills an array with data from an item query
352 * @param object $stmt statement object
353 * @param bool $do_close
354 * @return array Data array
356 public static function inArray($stmt, $do_close = true) {
357 if (is_bool($stmt)) {
362 while ($row = self::fetch($stmt)) {
372 * Check if item data exists
374 * @param array $condition array of fields for condition
376 * @return boolean Are there rows for that condition?
379 public static function exists($condition) {
380 $stmt = self::select(['id'], $condition, ['limit' => 1]);
382 if (is_bool($stmt)) {
385 $retval = (DBA::numRows($stmt) > 0);
394 * Retrieve a single record from the item table for a given user and returns it in an associative array
396 * @param integer $uid User ID
397 * @param array $selected
398 * @param array $condition
399 * @param array $params
404 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
406 $params['uid'] = $uid;
408 if (empty($selected)) {
409 $selected = Item::DISPLAY_FIELDLIST;
412 return self::selectFirst($selected, $condition, $params);
416 * Select rows from the item table for a given user
418 * @param integer $uid User ID
419 * @param array $selected Array of selected fields, empty for all
420 * @param array $condition Array of fields for condition
421 * @param array $params Array of several parameters
423 * @return boolean|object
426 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
428 $params['uid'] = $uid;
430 if (empty($selected)) {
431 $selected = Item::DISPLAY_FIELDLIST;
434 return self::select($selected, $condition, $params);
438 * Retrieve a single record from the item table and returns it in an associative array
440 * @param array $fields
441 * @param array $condition
442 * @param array $params
447 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
449 $params['limit'] = 1;
451 $result = self::select($fields, $condition, $params);
453 if (is_bool($result)) {
456 $row = self::fetch($result);
463 * Select rows from the item table and returns them as an array
465 * @param array $selected Array of selected fields, empty for all
466 * @param array $condition Array of fields for condition
467 * @param array $params Array of several parameters
472 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
474 $result = self::select($fields, $condition, $params);
476 if (is_bool($result)) {
481 while ($row = self::fetch($result)) {
490 * Select rows from the item table
492 * @param array $selected Array of selected fields, empty for all
493 * @param array $condition Array of fields for condition
494 * @param array $params Array of several parameters
496 * @return boolean|object
499 public static function select(array $selected = [], array $condition = [], $params = [])
504 if (isset($params['uid'])) {
505 $uid = $params['uid'];
509 $fields = self::fieldlist($usermode);
511 $select_fields = self::constructSelectFields($fields, $selected);
513 $condition_string = DBA::buildCondition($condition);
515 $condition_string = self::addTablesToFields($condition_string, $fields);
518 $condition_string = $condition_string . ' AND ' . self::condition(false);
521 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
523 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
525 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
527 return DBA::p($sql, $condition);
531 * Select rows from the starting post in the item table
533 * @param integer $uid User ID
534 * @param array $selected
535 * @param array $condition Array of fields for condition
536 * @param array $params Array of several parameters
538 * @return boolean|object
541 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
543 $params['uid'] = $uid;
545 if (empty($selected)) {
546 $selected = Item::DISPLAY_FIELDLIST;
549 return self::selectThread($selected, $condition, $params);
553 * Retrieve a single record from the starting post in the item table and returns it in an associative array
555 * @param integer $uid User ID
556 * @param array $selected
557 * @param array $condition
558 * @param array $params
563 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
565 $params['uid'] = $uid;
567 if (empty($selected)) {
568 $selected = Item::DISPLAY_FIELDLIST;
571 return self::selectFirstThread($selected, $condition, $params);
575 * Retrieve a single record from the starting post in the item table and returns it in an associative array
577 * @param array $fields
578 * @param array $condition
579 * @param array $params
584 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
586 $params['limit'] = 1;
587 $result = self::selectThread($fields, $condition, $params);
589 if (is_bool($result)) {
592 $row = self::fetch($result);
599 * Select rows from the starting post in the item table
601 * @param array $selected Array of selected fields, empty for all
602 * @param array $condition Array of fields for condition
603 * @param array $params Array of several parameters
605 * @return boolean|object
608 public static function selectThread(array $selected = [], array $condition = [], $params = [])
613 if (isset($params['uid'])) {
614 $uid = $params['uid'];
618 $fields = self::fieldlist($usermode);
620 $fields['thread'] = ['mention', 'ignored', 'iid'];
622 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
623 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
624 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
625 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
627 $select_fields = self::constructSelectFields($fields, $selected);
629 $condition_string = DBA::buildCondition($condition);
631 $condition_string = self::addTablesToFields($condition_string, $threadfields);
632 $condition_string = self::addTablesToFields($condition_string, $fields);
635 $condition_string = $condition_string . ' AND ' . self::condition(true);
638 $param_string = DBA::buildParameter($params);
639 $param_string = self::addTablesToFields($param_string, $threadfields);
640 $param_string = self::addTablesToFields($param_string, $fields);
642 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
644 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
646 return DBA::p($sql, $condition);
650 * Returns a list of fields that are associated with the item table
653 * @return array field list
655 private static function fieldlist($usermode)
659 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
660 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id', 'vid', 'causer-id',
661 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
662 'created', 'edited', 'commented', 'received', 'changed', 'psid',
663 'resource-id', 'event-id', 'post-type', 'file',
664 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
665 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
666 'id' => 'item_id', 'network', 'icid',
667 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
668 'network' => 'internal-network', 'psid' => 'internal-psid'];
671 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
674 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
676 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
678 $fields['verb'] = ['name' => 'internal-verb'];
680 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
682 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
683 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
685 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
686 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
688 $fields['causer'] = ['url' => 'causer-link', 'name' => 'causer-name', 'addr' => 'causer-addr',
689 'thumb' => 'causer-avatar', 'nick' => 'causer-nick', 'network' => 'causer-network',
690 'contact-type' => 'causer-contact-type'];
692 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
693 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
694 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
696 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network', 'author-id' => 'parent-author-id'];
698 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name',
699 'network' => 'parent-author-network'];
701 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
702 'start' => 'event-start','finish' => 'event-finish',
703 'summary' => 'event-summary','desc' => 'event-desc',
704 'location' => 'event-location', 'type' => 'event-type',
705 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
706 'ignore' => 'event-ignore', 'id' => 'event-id'];
708 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
714 * Returns SQL condition for the "select" functions
716 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
718 * @return string SQL condition
720 private static function condition($thread_mode)
723 $master_table = "`thread`";
725 $master_table = "`item`";
727 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
728 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
729 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
730 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
731 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
732 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
733 GRAVITY_PARENT, GRAVITY_PARENT);
737 * Returns all needed "JOIN" commands for the "select" functions
739 * @param integer $uid User ID
740 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
741 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
744 * @return string The SQL joins for the "select" functions
746 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
749 $master_table = "`thread`";
750 $master_table_key = "`thread`.`iid`";
751 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
753 $master_table = "`item`";
754 $master_table_key = "`item`.`id`";
759 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
760 AND NOT `contact`.`blocked`
761 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
762 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
763 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
764 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
765 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
766 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
767 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
768 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
770 if (strpos($sql_commands, "`contact`.") !== false) {
771 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
773 if (strpos($sql_commands, "`author`.") !== false) {
774 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
776 if (strpos($sql_commands, "`owner`.") !== false) {
777 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
780 if (strpos($sql_commands, "`causer`.") !== false) {
781 $joins .= " LEFT JOIN `contact` AS `causer` ON `causer`.`id` = `item`.`causer-id`";
784 if (strpos($sql_commands, "`group_member`.") !== false) {
785 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
788 if (strpos($sql_commands, "`user`.") !== false) {
789 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
792 if (strpos($sql_commands, "`event`.") !== false) {
793 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
796 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
797 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
800 if (strpos($sql_commands, "`item-content`.") !== false) {
801 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
804 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
805 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
808 if (strpos($sql_commands, "`verb`.") !== false) {
809 $joins .= " LEFT JOIN `verb` ON `verb`.`id` = `item`.`vid`";
812 if (strpos($sql_commands, "`permissionset`.") !== false) {
813 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
816 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-item-author`.") !== false)) {
817 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
819 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
820 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
828 * Add the field list for the "select" functions
830 * @param array $fields The field definition array
831 * @param array $selected The array with the selected fields from the "select" functions
833 * @return string The field list
835 private static function constructSelectFields(array $fields, array $selected)
837 if (!empty($selected)) {
838 $selected = array_merge($selected, ['internal-uri-id', 'internal-uid', 'internal-psid', 'internal-network']);
841 if (in_array('verb', $selected)) {
842 $selected = array_merge($selected, ['internal-verb']);
845 if (in_array('ignored', $selected)) {
846 $selected[] = 'internal-user-ignored';
849 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
852 foreach ($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 $data_fields = $fields;
917 // To ensure the data integrity we do it in an transaction
920 // We cannot simply expand the condition to check for origin entries
921 // The condition needn't to be a simple array but could be a complex condition.
922 // And we have to execute this query before the update to ensure to fetch the same data.
923 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'icid', 'uid', 'file'], $condition);
925 $content_fields = [];
926 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
927 if (isset($fields[$field])) {
928 $content_fields[$field] = $fields[$field];
929 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
930 unset($fields[$field]);
932 $fields[$field] = null;
937 $delivery_data = Post\DeliveryData::extractFields($fields);
939 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
940 foreach ($clear_fields as $field) {
941 if (array_key_exists($field, $fields)) {
942 $fields[$field] = null;
946 if (array_key_exists('file', $fields)) {
947 $files = $fields['file'];
948 $fields['file'] = null;
953 if (!empty($content_fields['verb'])) {
954 $fields['vid'] = Verb::getID($content_fields['verb']);
957 if (!empty($fields)) {
958 $success = DBA::update('item', $fields, $condition);
967 // When there is no content for the "old" item table, this will count the fetched items
968 $rows = DBA::affectedRows();
972 while ($item = DBA::fetch($items)) {
973 Post\User::update($item['uri-id'], $item['uid'], $data_fields);
975 if (empty($content_fields['verb']) || !in_array($content_fields['verb'], self::ACTIVITIES)) {
976 if (!empty($content_fields['body'])) {
977 $content_fields['raw-body'] = trim($content_fields['raw-body'] ?? $content_fields['body']);
979 // Remove all media attachments from the body and store them in the post-media table
980 $content_fields['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $content_fields['raw-body']);
981 $content_fields['raw-body'] = self::setHashtags($content_fields['raw-body']);
984 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
986 if (empty($item['icid'])) {
987 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
988 if (DBA::isResult($item_content)) {
989 $item_fields = ['icid' => $item_content['id']];
990 // Clear all fields in the item table that have a content in the item-content table
991 if (self::isLegacyMode()) {
992 foreach ($item_content as $field => $content) {
993 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($content)) {
994 $item_fields[$field] = null;
998 DBA::update('item', $item_fields, ['id' => $item['id']]);
1003 if (!is_null($files)) {
1004 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1005 if (!empty($item['file'])) {
1006 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1010 if (!empty($fields['attach'])) {
1011 Post\Media::insertFromAttachment($item['uri-id'], $fields['attach']);
1014 Post\DeliveryData::update($item['uri-id'], $delivery_data);
1016 self::updateThread($item['id']);
1018 // We only need to notfiy others when it is an original entry from us.
1019 // Only call the notifier when the item has some content relevant change.
1020 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1021 $notify_items[] = $item['id'];
1028 foreach ($notify_items as $notify_item) {
1029 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1036 * Delete an item and notify others about it - if it was ours
1038 * @param array $condition The condition for finding the item entries
1039 * @param integer $priority Priority for the notification
1040 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1042 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1044 $items = self::select(['id'], $condition);
1045 while ($item = self::fetch($items)) {
1046 self::markForDeletionById($item['id'], $priority);
1052 * Delete an item for an user and notify others about it - if it was ours
1054 * @param array $condition The condition for finding the item entries
1055 * @param integer $uid User who wants to delete this item
1056 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1058 public static function deleteForUser($condition, $uid)
1064 $items = self::select(['id', 'uid', 'uri-id'], $condition);
1065 while ($item = self::fetch($items)) {
1066 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
1068 // "Deleting" global items just means hiding them
1069 if ($item['uid'] == 0) {
1070 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1071 } elseif ($item['uid'] == $uid) {
1072 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1074 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1081 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1083 * @param integer $item_id
1084 * @param integer $priority Priority for the notification
1086 * @return boolean success
1087 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1089 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1091 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1092 // locate item to be deleted
1093 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1094 'deleted', 'file', 'resource-id', 'event-id',
1095 'verb', 'object-type', 'object', 'target', 'contact-id',
1096 'icid', 'psid', 'gravity'];
1097 $item = self::selectFirst($fields, ['id' => $item_id]);
1098 if (!DBA::isResult($item)) {
1099 Logger::info('Item not found.', ['id' => $item_id]);
1103 if ($item['deleted']) {
1104 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1108 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1109 if (!DBA::isResult($parent)) {
1110 $parent = ['origin' => false];
1113 // clean up categories and tags so they don't end up as orphans
1116 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1119 foreach ($matches as $mtch) {
1120 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1126 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1129 foreach ($matches as $mtch) {
1130 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1135 * If item is a link to a photo resource, nuke all the associated photos
1136 * (visitors will not have photo resources)
1137 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1138 * generate a resource-id and therefore aren't intimately linked to the item.
1140 /// @TODO: this should first check if photo is used elsewhere
1141 if (strlen($item['resource-id'])) {
1142 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1145 // If item is a link to an event, delete the event.
1146 if (intval($item['event-id'])) {
1147 Event::delete($item['event-id']);
1150 // If item has attachments, drop them
1151 $attachments = Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT]);
1152 foreach($attachments as $attachment) {
1153 if (preg_match("|attach/(\d+)|", $attachment['url'], $matches)) {
1154 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1158 // Set the item to "deleted"
1159 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1160 DBA::update('item', $item_fields, ['id' => $item['id']]);
1162 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1163 self::deleteThread($item['id'], $item['parent-uri']);
1165 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1166 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1169 Post\DeliveryData::delete($item['uri-id']);
1171 // When the permission set will be used in photo and events as well,
1172 // this query here needs to be extended.
1173 // @todo Currently deactivated. We need the permission set in the deletion process.
1174 // This is a reminder to add the removal somewhere else.
1175 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1176 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1179 // If it's the parent of a comment thread, kill all the kids
1180 if ($item['gravity'] == GRAVITY_PARENT) {
1181 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1184 // Is it our comment and/or our thread?
1185 if (($item['origin'] || $parent['origin']) && ($item['uid'] != 0)) {
1186 // When we delete the original post we will delete all existing copies on the server as well
1187 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1189 // send the notification upstream/downstream
1191 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1193 } elseif ($item['uid'] != 0) {
1194 Post\User::update($item['uri-id'], $item['uid'], ['hidden' => true]);
1196 // When we delete just our local user copy of an item, we have to set a marker to hide it
1197 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1198 if (DBA::isResult($global_item)) {
1199 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1203 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1209 private static function guid($item, $notify)
1211 if (!empty($item['guid'])) {
1212 return Strings::escapeTags(trim($item['guid']));
1216 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1217 // We add the hash of our own host because our host is the original creator of the post.
1218 $prefix_host = DI::baseUrl()->getHostname();
1222 // We are only storing the post so we create a GUID from the original hostname.
1223 if (!empty($item['author-link'])) {
1224 $parsed = parse_url($item['author-link']);
1225 if (!empty($parsed['host'])) {
1226 $prefix_host = $parsed['host'];
1230 if (empty($prefix_host) && !empty($item['plink'])) {
1231 $parsed = parse_url($item['plink']);
1232 if (!empty($parsed['host'])) {
1233 $prefix_host = $parsed['host'];
1237 if (empty($prefix_host) && !empty($item['uri'])) {
1238 $parsed = parse_url($item['uri']);
1239 if (!empty($parsed['host'])) {
1240 $prefix_host = $parsed['host'];
1244 // Is it in the format data@host.tld? - Used for mail contacts
1245 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1246 $mailparts = explode('@', $item['author-link']);
1247 $prefix_host = array_pop($mailparts);
1251 if (!empty($item['plink'])) {
1252 $guid = self::guidFromUri($item['plink'], $prefix_host);
1253 } elseif (!empty($item['uri'])) {
1254 $guid = self::guidFromUri($item['uri'], $prefix_host);
1256 $guid = System::createUUID(hash('crc32', $prefix_host));
1262 private static function contactId($item)
1264 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1265 return $item['contact-id'];
1266 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1267 return $item['contact-id'];
1268 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1269 return $item['author-id'];
1270 } elseif (!empty($item['contact-id'])) {
1271 return $item['contact-id'];
1273 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1274 if (!empty($contact_id)) {
1278 return $item['author-id'];
1281 // This function will finally cover most of the preparation functionality in mod/item.php
1282 public static function prepare(&$item)
1285 * @TODO: Unused code triggering inspection errors
1287 $data = BBCode::getAttachmentData($item['body']);
1288 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1289 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1290 $posttype = Item::PT_PAGE;
1291 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1297 * Write an item array into a spool file to be inserted later.
1298 * This command is called whenever there are issues storing an item.
1300 * @param array $item The item fields that are to be inserted
1301 * @throws \Exception
1303 private static function spool($orig_item)
1305 // Now we store the data in the spool directory
1306 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1307 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1309 $spoolpath = get_spoolpath();
1310 if ($spoolpath != "") {
1311 $spool = $spoolpath . '/' . $file;
1313 file_put_contents($spool, json_encode($orig_item));
1314 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1319 * Check if the item array is a duplicate
1321 * @param array $item
1322 * @return boolean is it a duplicate?
1324 private static function isDuplicate(array $item)
1326 // Checking if there is already an item with the same guid
1327 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1328 if (self::exists($condition)) {
1329 Logger::notice('Found already existing item', [
1330 'guid' => $item['guid'],
1331 'uid' => $item['uid'],
1332 'network' => $item['network']
1337 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1338 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1339 if (self::exists($condition)) {
1340 Logger::notice('duplicated item with the same uri found.', $item);
1344 // On Friendica and Diaspora the GUID is unique
1345 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1346 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1347 if (self::exists($condition)) {
1348 Logger::notice('duplicated item with the same guid found.', $item);
1351 } elseif ($item['network'] == Protocol::OSTATUS) {
1352 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1353 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1354 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1355 if (self::exists($condition)) {
1356 Logger::notice('duplicated item with the same body found.', $item);
1362 * Check for already added items.
1363 * There is a timing issue here that sometimes creates double postings.
1364 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1366 if (($item['uid'] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1367 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1375 * Check if the item array is valid
1377 * @param array $item
1378 * @return boolean item is valid
1380 public static function isValid(array $item)
1382 // When there is no content then we don't post it
1383 if ($item['body'] . $item['title'] == '') {
1384 Logger::notice('No body, no title.');
1388 if (!empty($item['author-id']) && Contact::isBlocked($item['author-id'])) {
1389 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1393 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1394 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1398 if (!empty($item['owner-id']) && Contact::isBlocked($item['owner-id'])) {
1399 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1403 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1404 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1408 if (!empty($item['uid']) && !self::isAllowedByUser($item, $item['uid'])) {
1412 if ($item['verb'] == Activity::FOLLOW) {
1413 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1414 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1415 Logger::info("Follow: Don't store not origin follow request", ['parent-uri' => $item['parent-uri']]);
1419 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1420 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1421 if (self::exists($condition)) {
1422 // It happens that we receive multiple follow requests by the same author - we only store one.
1423 Logger::info('Follow: Found existing follow request from author', ['author-id' => $item['author-id'], 'parent-uri' => $item['parent-uri']]);
1432 * Check if the item array is too old
1434 * @param array $item
1435 * @return boolean item is too old
1437 public static function isTooOld(array $item)
1439 // check for create date and expire time
1440 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1442 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1443 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1444 $expire_interval = $user['expire'];
1447 if (($expire_interval > 0) && !empty($item['created'])) {
1448 $expire_date = time() - ($expire_interval * 86400);
1449 $created_date = strtotime($item['created']);
1450 if ($created_date < $expire_date) {
1451 Logger::notice('Item created before expiration interval.', [
1452 'created' => date('c', $created_date),
1453 'expired' => date('c', $expire_date),
1464 * Return the id of the given item array if it has been stored before
1466 * @param array $item
1467 * @return integer item id
1469 private static function getDuplicateID(array $item)
1471 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1472 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1473 trim($item['uri']), $item['uid'],
1474 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1475 $existing = self::selectFirst(['id', 'network'], $condition);
1476 if (DBA::isResult($existing)) {
1477 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1478 if ($item['uid'] != 0) {
1479 Logger::notice('Item already existed for user', [
1480 'uri' => $item['uri'],
1481 'uid' => $item['uid'],
1482 'network' => $item['network'],
1483 'existing_id' => $existing["id"],
1484 'existing_network' => $existing["network"]
1488 return $existing["id"];
1495 * Fetch top-level parent data for the given item array
1497 * @param array $item
1498 * @return array item array with parent data
1499 * @throws \Exception
1501 private static function getTopLevelParent(array $item)
1503 $fields = ['uid', 'uri', 'parent-uri', 'id', 'deleted',
1504 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1505 'wall', 'private', 'forum_mode', 'origin', 'author-id'];
1506 $condition = ['uri' => $item['thr-parent'], 'uid' => $item['uid']];
1507 $params = ['order' => ['id' => false]];
1508 $parent = self::selectFirst($fields, $condition, $params);
1510 if (!DBA::isResult($parent)) {
1511 Logger::notice('item parent was not found - ignoring item', ['thr-parent' => $item['thr-parent'], 'uid' => $item['uid']]);
1515 if ($parent['uri'] == $parent['parent-uri']) {
1519 $condition = ['uri' => $parent['parent-uri'],
1520 'parent-uri' => $parent['parent-uri'],
1521 'uid' => $parent['uid']];
1522 $params = ['order' => ['id' => false]];
1523 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1524 if (!DBA::isResult($toplevel_parent)) {
1525 Logger::notice('item top level parent was not found - ignoring item', ['parent-uri' => $parent['parent-uri'], 'uid' => $parent['uid']]);
1529 return $toplevel_parent;
1533 * Get the gravity for the given item array
1535 * @param array $item
1536 * @return integer gravity
1538 private static function getGravity(array $item)
1540 $activity = DI::activity();
1542 if (isset($item['gravity'])) {
1543 return intval($item['gravity']);
1544 } elseif ($item['parent-uri'] === $item['uri']) {
1545 return GRAVITY_PARENT;
1546 } elseif ($activity->match($item['verb'], Activity::POST)) {
1547 return GRAVITY_COMMENT;
1548 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1549 return GRAVITY_ACTIVITY;
1550 } elseif ($activity->match($item['verb'], Activity::ANNOUNCE)) {
1551 return GRAVITY_ACTIVITY;
1553 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1554 return GRAVITY_UNKNOWN; // Should not happen
1557 public static function insert($item, $notify = false, $dontcache = false)
1559 $structure = self::getItemFields();
1563 $priority = PRIORITY_HIGH;
1565 // If it is a posting where users should get notifications, then define it as wall posting
1568 $item['origin'] = 1;
1569 $item['network'] = Protocol::DFRN;
1570 $item['protocol'] = Conversation::PARCEL_DIRECT;
1572 if (in_array($notify, PRIORITIES)) {
1573 $priority = $notify;
1576 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1579 $uid = intval($item['uid']);
1581 $item['guid'] = self::guid($item, $notify);
1582 $item['uri'] = substr(trim($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']), 0, 255);
1585 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1587 // Backward compatibility: parent-uri used to be the direct parent uri.
1588 // If it is provided without a thr-parent, it probably is the old behavior.
1589 $item['thr-parent'] = trim($item['thr-parent'] ?? $item['parent-uri'] ?? $item['uri']);
1590 $item['parent-uri'] = $item['thr-parent'];
1592 // Store conversation data
1593 $item = Conversation::insert($item);
1596 * Do we already have this item?
1597 * We have to check several networks since Friendica posts could be repeated
1598 * via OStatus (maybe Diasporsa as well)
1600 $duplicate = self::getDuplicateID($item);
1605 // Additional duplicate checks
1606 /// @todo Check why the first duplication check returns the item number and the second a 0
1607 if (self::isDuplicate($item)) {
1611 $item['wall'] = intval($item['wall'] ?? 0);
1612 $item['extid'] = trim($item['extid'] ?? '');
1613 $item['author-name'] = trim($item['author-name'] ?? '');
1614 $item['author-link'] = trim($item['author-link'] ?? '');
1615 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1616 $item['owner-name'] = trim($item['owner-name'] ?? '');
1617 $item['owner-link'] = trim($item['owner-link'] ?? '');
1618 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1619 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1620 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1621 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1622 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1623 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1624 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1625 $item['location'] = trim($item['location'] ?? '');
1626 $item['coord'] = trim($item['coord'] ?? '');
1627 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1628 $item['deleted'] = 0;
1629 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1630 $item['verb'] = trim($item['verb'] ?? '');
1631 $item['object-type'] = trim($item['object-type'] ?? '');
1632 $item['object'] = trim($item['object'] ?? '');
1633 $item['target-type'] = trim($item['target-type'] ?? '');
1634 $item['target'] = trim($item['target'] ?? '');
1635 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1636 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1637 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1638 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1639 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1640 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1641 $item['body'] = trim($item['body'] ?? '');
1642 $item['raw-body'] = trim($item['raw-body'] ?? $item['body']);
1643 $item['app'] = trim($item['app'] ?? '');
1644 $item['origin'] = intval($item['origin'] ?? 0);
1645 $item['postopts'] = trim($item['postopts'] ?? '');
1646 $item['resource-id'] = trim($item['resource-id'] ?? '');
1647 $item['event-id'] = intval($item['event-id'] ?? 0);
1648 $item['inform'] = trim($item['inform'] ?? '');
1649 $item['file'] = trim($item['file'] ?? '');
1651 // Items cannot be stored before they happen ...
1652 if ($item['created'] > DateTimeFormat::utcNow()) {
1653 $item['created'] = DateTimeFormat::utcNow();
1656 // We haven't invented time travel by now.
1657 if ($item['edited'] > DateTimeFormat::utcNow()) {
1658 $item['edited'] = DateTimeFormat::utcNow();
1661 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1663 $item['gravity'] = self::getGravity($item);
1665 $item['language'] = self::getLanguage($item);
1667 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1668 'photo' => $item['author-avatar'], 'network' => $item['network']];
1669 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, null, $default);
1671 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1672 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1673 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, null, $default);
1675 $actor = ($item['gravity'] == GRAVITY_PARENT) ? $item['owner-id'] : $item['author-id'];
1676 if (!$item['origin'] && ($item['uid'] != 0) && Contact::isSharing($actor, $item['uid'])) {
1677 $item['post-type'] = self::PT_FOLLOWER;
1680 // Ensure that there is an avatar cache
1681 Contact::checkAvatarCache($item['author-id']);
1682 Contact::checkAvatarCache($item['owner-id']);
1684 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1685 $item["contact-id"] = self::contactId($item);
1687 if (!self::isValid($item)) {
1691 if ($item['gravity'] !== GRAVITY_PARENT) {
1692 $toplevel_parent = self::getTopLevelParent($item);
1693 if (empty($toplevel_parent)) {
1697 // If the thread originated from this node, we check the permission against the thread starter
1698 $condition = ['uri' => $toplevel_parent['uri'], 'wall' => true];
1699 $localTopLevelParent = self::selectFirst(['uid'], $condition);
1700 if (!empty($localTopLevelParent['uid']) && !self::isAllowedByUser($item, $localTopLevelParent['uid'])) {
1704 $parent_id = $toplevel_parent['id'];
1705 $item['parent-uri'] = $toplevel_parent['uri'];
1706 $item['deleted'] = $toplevel_parent['deleted'];
1707 $item['allow_cid'] = $toplevel_parent['allow_cid'];
1708 $item['allow_gid'] = $toplevel_parent['allow_gid'];
1709 $item['deny_cid'] = $toplevel_parent['deny_cid'];
1710 $item['deny_gid'] = $toplevel_parent['deny_gid'];
1711 $parent_origin = $toplevel_parent['origin'];
1713 // Don't federate received participation messages
1714 if ($item['verb'] != Activity::FOLLOW) {
1715 $item['wall'] = $toplevel_parent['wall'];
1717 $item['wall'] = false;
1721 * If the parent is private, force privacy for the entire conversation
1722 * This differs from the above settings as it subtly allows comments from
1723 * email correspondents to be private even if the overall thread is not.
1725 if ($toplevel_parent['private']) {
1726 $item['private'] = $toplevel_parent['private'];
1730 * Edge case. We host a public forum that was originally posted to privately.
1731 * The original author commented, but as this is a comment, the permissions
1732 * weren't fixed up so it will still show the comment as private unless we fix it here.
1734 if ((intval($toplevel_parent['forum_mode']) == 1) && ($toplevel_parent['private'] != self::PUBLIC)) {
1735 $item['private'] = self::PUBLIC;
1738 // If its a post that originated here then tag the thread as "mention"
1739 if ($item['origin'] && $item['uid']) {
1740 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1741 Logger::info('tagged thread as mention', ['parent' => $parent_id, 'uid' => $item['uid']]);
1744 // Update the contact relations
1745 Contact\Relation::store($toplevel_parent['author-id'], $item['author-id'], $item['created']);
1747 unset($item['parent_origin']);
1750 $parent_origin = $item['origin'];
1753 // We don't store the causer link, only the id
1754 unset($item['causer-link']);
1756 // We don't store these fields anymore in the item table
1757 unset($item['author-link']);
1758 unset($item['author-name']);
1759 unset($item['author-avatar']);
1760 unset($item['author-network']);
1762 unset($item['owner-link']);
1763 unset($item['owner-name']);
1764 unset($item['owner-avatar']);
1766 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1767 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1769 // Is this item available in the global items (with uid=0)?
1770 if ($item["uid"] == 0) {
1771 $item["global"] = true;
1773 // Set the global flag on all items if this was a global item entry
1774 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1776 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1780 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1781 $item["private"] = self::PRIVATE;
1785 $item['edit'] = false;
1786 $item['parent'] = $parent_id;
1787 Hook::callAll('post_local', $item);
1788 unset($item['edit']);
1790 Hook::callAll('post_remote', $item);
1793 // Set after the insert because top-level posts are self-referencing
1794 unset($item['parent']);
1796 if (!empty($item['cancel'])) {
1797 Logger::log('post cancelled by addon.');
1801 if (empty($item['vid']) && !empty($item['verb'])) {
1802 $item['vid'] = Verb::getID($item['verb']);
1805 // Creates or assigns the permission set
1806 $item['psid'] = PermissionSet::getIdFromACL(
1814 unset($item['allow_cid']);
1815 unset($item['allow_gid']);
1816 unset($item['deny_cid']);
1817 unset($item['deny_gid']);
1819 // This array field is used to trigger some automatic reactions
1820 // It is mainly used in the "post_local" hook.
1821 unset($item['api_source']);
1823 if ($item['verb'] == Activity::ANNOUNCE) {
1824 self::setOwnerforResharedItem($item);
1827 // Remove all media attachments from the body and store them in the post-media table
1828 $item['raw-body'] = Post\Media::insertFromBody($item['uri-id'], $item['raw-body']);
1829 $item['raw-body'] = self::setHashtags($item['raw-body']);
1831 // Check for hashtags in the body and repair or add hashtag links
1832 $item['body'] = self::setHashtags($item['body']);
1834 if (!empty($item['attach'])) {
1835 Post\Media::insertFromAttachment($item['uri-id'], $item['attach']);
1838 // Fill the cache field
1839 self::putInCache($item);
1841 if (stristr($item['verb'], Activity::POKE)) {
1842 $notify_type = Delivery::POKE;
1844 $notify_type = Delivery::POST;
1847 if (!in_array($item['verb'], self::ACTIVITIES)) {
1848 $item['icid'] = self::insertContent($item);
1849 if (empty($item['icid'])) {
1850 // This shouldn't happen
1851 Logger::warning('No content stored, quitting', ['guid' => $item['guid'], 'uri-id' => $item['uri-id'], 'causer-id' => ($item['causer-id'] ?? 0), 'post-type' => $item['post-type'], 'network' => $item['network']]);
1856 $body = $item['body'];
1857 $verb = $item['verb'];
1859 // We just remove everything that is content
1860 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1861 unset($item[$field]);
1864 unset($item['activity']);
1866 // Filling item related side tables
1868 // Diaspora signature
1869 if (!empty($item['diaspora_signed_text'])) {
1870 DBA::replace('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']]);
1873 unset($item['diaspora_signed_text']);
1875 // Attached file links
1876 if (!empty($item['file'])) {
1877 Post\Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1880 unset($item['file']);
1882 // Delivery relevant data
1883 $delivery_data = Post\DeliveryData::extractFields($item);
1884 unset($item['postopts']);
1885 unset($item['inform']);
1887 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1888 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1891 // Store tags from the body if this hadn't been handled previously in the protocol classes
1892 if (!Tag::existsForPost($item['uri-id'])) {
1893 Tag::storeFromBody($item['uri-id'], $body);
1896 if (Post\User::insert($item['uri-id'], $item['uid'], $item)) {
1897 // Remove all fields that aren't part of the item table
1898 foreach ($item as $field => $value) {
1899 if (!in_array($field, $structure['item'])) {
1900 unset($item[$field]);
1904 $condition = ['uri-id' => $item['uri-id'], 'uid' => $item['uid'], 'network' => $item['network']];
1905 if (DBA::exists('item', $condition)) {
1906 Logger::notice('Item is already inserted - aborting', $condition);
1910 $result = DBA::insert('item', $item);
1912 // When the item was successfully stored we fetch the ID of the item.
1913 $current_post = DBA::lastInsertId();
1915 Logger::notice('Post-User is already inserted - aborting', ['uid' => $item['uid'], 'uri-id' => $item['uri-id']]);
1919 if (empty($current_post) || !DBA::isResult($result)) {
1920 // On failure store the data into a spool file so that the "SpoolPost" worker can try again later.
1921 Logger::warning('Could not store item. it will be spooled', ['result' => $result, 'id' => $current_post]);
1922 self::spool($orig_item);
1926 Logger::notice('created item', ['id' => $current_post, 'uid' => $item['uid'], 'network' => $item['network'], 'uri-id' => $item['uri-id'], 'guid' => $item['guid']]);
1928 if (!$parent_id || ($item['gravity'] === GRAVITY_PARENT)) {
1929 $parent_id = $current_post;
1933 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1935 $item['id'] = $current_post;
1936 $item['parent'] = $parent_id;
1938 // update the commented timestamp on the parent
1939 if (DI::config()->get('system', 'like_no_comment')) {
1940 // Update when it is a comment
1941 $update_commented = in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]);
1943 // Update when it isn't a follow or tag verb
1944 $update_commented = !in_array($verb, [Activity::FOLLOW, Activity::TAG]);
1947 if ($update_commented) {
1948 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1950 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1953 if ($item['gravity'] === GRAVITY_PARENT) {
1954 self::addThread($current_post);
1956 self::updateThread($parent_id);
1959 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1960 if (self::tagDeliver($item['uid'], $current_post)) {
1961 // Get the user information for the logging
1962 $user = User::getById($uid);
1964 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1969 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1970 if (DBA::isResult($posted_item)) {
1972 Hook::callAll('post_local_end', $posted_item);
1974 Hook::callAll('post_remote_end', $posted_item);
1977 Logger::log('new item not found in DB, id ' . $current_post);
1981 if ($item['gravity'] === GRAVITY_PARENT) {
1982 self::addShadow($current_post);
1984 self::addShadowPost($current_post);
1987 self::updateContact($item);
1989 UserItem::setNotification($current_post);
1991 check_user_notification($current_post);
1993 // Distribute items to users who subscribed to their tags
1994 self::distributeByTags($item);
1996 // Automatically reshare the item if the "remote_self" option is selected
1997 self::autoReshare($item);
1999 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
2002 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
2003 // Don't relay participation messages
2004 if (($transmit_item['verb'] == Activity::FOLLOW) &&
2005 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
2006 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
2012 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2015 return $current_post;
2019 * Change the owner of a parent item if it had been shared by a forum
2021 * (public) forum posts in the new format consist of the regular post by the author
2022 * followed by an announce message sent from the forum account.
2023 * Changing the owner helps in grouping forum posts.
2025 * @param array $item
2028 private static function setOwnerforResharedItem(array $item)
2030 $parent = self::selectFirst(['id', 'causer-id', 'owner-id', 'author-id', 'author-link', 'origin', 'post-type'],
2031 ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2032 if (!DBA::isResult($parent)) {
2033 Logger::error('Parent not found', ['uri-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2037 $author = Contact::selectFirst(['url', 'contact-type'], ['id' => $item['author-id']]);
2038 if (!DBA::isResult($author)) {
2039 Logger::error('Author not found', ['id' => $item['author-id']]);
2043 $cid = Contact::getIdForURL($author['url'], $item['uid']);
2044 if (empty($cid) || !Contact::isSharing($cid, $item['uid'])) {
2045 Logger::info('The resharer is not a following contact: quit', ['resharer' => $author['url'], 'uid' => $item['uid']]);
2049 if ($author['contact-type'] != Contact::TYPE_COMMUNITY) {
2050 if ($parent['post-type'] == self::PT_ANNOUNCEMENT) {
2051 Logger::info('The parent is already marked as announced: quit', ['causer' => $parent['causer-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2055 if (Contact::isSharing($parent['owner-id'], $item['uid'])) {
2056 Logger::info('The resharer is no forum: quit', ['resharer' => $item['author-id'], 'owner' => $parent['owner-id'], 'author' => $parent['author-id'], 'uid' => $item['uid']]);
2059 self::update(['post-type' => self::PT_ANNOUNCEMENT, 'causer-id' => $item['author-id']], ['id' => $parent['id']]);
2060 Logger::info('Set announcement post-type', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid']]);
2064 self::update(['owner-id' => $item['author-id'], 'contact-id' => $cid], ['id' => $parent['id']]);
2065 Logger::info('Change owner of the parent', ['uri-id' => $item['uri-id'], 'thr-parent-id' => $item['thr-parent-id'], 'uid' => $item['uid'], 'owner-id' => $item['author-id'], 'contact-id' => $cid]);
2069 * Distribute the given item to users who subscribed to their tags
2071 * @param array $item Processed item
2073 private static function distributeByTags(array $item)
2075 if (($item['uid'] != 0) || ($item['gravity'] != GRAVITY_PARENT) || !in_array($item['network'], Protocol::FEDERATED)) {
2079 $uids = Tag::getUIDListByURIId($item['uri-id']);
2080 foreach ($uids as $uid) {
2081 if (Contact::isSharing($item['author-id'], $uid)) {
2084 $fields = ['post-type' => self::PT_TAG];
2087 $stored = self::storeForUserByUriId($item['uri-id'], $uid, $fields);
2088 Logger::info('Stored item for users', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'fields' => $fields, 'stored' => $stored]);
2093 * Insert a new item content entry
2095 * @param array $item The item fields that are to be inserted
2096 * @throws \Exception
2098 private static function insertContent(array $item)
2100 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2102 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2103 if (isset($item[$field])) {
2104 $fields[$field] = $item[$field];
2108 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2109 if (DBA::isResult($item_content)) {
2110 $icid = $item_content['id'];
2111 Logger::info('Existing content found', ['icid' => $icid, 'uri' => $item['uri']]);
2115 DBA::replace('item-content', $fields);
2117 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2118 if (DBA::isResult($item_content)) {
2119 $icid = $item_content['id'];
2120 Logger::notice('Content inserted', ['icid' => $icid, 'uri' => $item['uri']]);
2124 // This shouldn't happen.
2125 Logger::error("Content wasn't inserted", $item);
2130 * Update existing item content entries
2132 * @param array $item The item fields that are to be changed
2133 * @param array $condition The condition for finding the item content entries
2134 * @throws \Exception
2136 private static function updateContent($item, $condition)
2138 // We have to select only the fields from the "item-content" table
2140 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2141 if (isset($item[$field])) {
2142 $fields[$field] = $item[$field];
2146 if (empty($fields)) {
2150 DBA::update('item-content', $fields, $condition, true);
2151 Logger::info('Updated content', ['condition' => $condition]);
2155 * Distributes public items to the receivers
2157 * @param integer $itemid Item ID that should be added
2158 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2159 * @throws \Exception
2161 public static function distribute($itemid, $signed_text = '')
2163 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2164 $parent = self::selectFirst(['owner-id'], $condition);
2165 if (!DBA::isResult($parent)) {
2169 // Only distribute public items from native networks
2170 $condition = ['id' => $itemid, 'uid' => 0,
2171 'network' => array_merge(Protocol::FEDERATED ,['']),
2172 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2173 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2174 if (!DBA::isResult($item)) {
2178 $origin = $item['origin'];
2182 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2183 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2184 if (!DBA::isResult($owner)) {
2188 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2189 $contacts = DBA::select('contact', ['uid'], $condition);
2190 while ($contact = DBA::fetch($contacts)) {
2191 if ($contact['uid'] == 0) {
2195 $users[$contact['uid']] = $contact['uid'];
2197 DBA::close($contacts);
2199 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2200 $contacts = DBA::select('contact', ['uid'], $condition);
2201 while ($contact = DBA::fetch($contacts)) {
2202 if ($contact['uid'] == 0) {
2206 $users[$contact['uid']] = $contact['uid'];
2208 DBA::close($contacts);
2210 if (!empty($owner['alias'])) {
2211 $condition = ['nurl' => Strings::normaliseLink($owner['alias']), 'rel' => [Contact::SHARING, Contact::FRIEND]];
2212 $contacts = DBA::select('contact', ['uid'], $condition);
2213 while ($contact = DBA::fetch($contacts)) {
2214 if ($contact['uid'] == 0) {
2218 $users[$contact['uid']] = $contact['uid'];
2220 DBA::close($contacts);
2225 if ($item['uri'] != $item['parent-uri']) {
2226 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2227 while ($parent = self::fetch($parents)) {
2228 $users[$parent['uid']] = $parent['uid'];
2229 if ($parent['origin'] && !$origin) {
2230 $origin_uid = $parent['uid'];
2235 foreach ($users as $uid) {
2236 if ($origin_uid == $uid) {
2237 $item['diaspora_signed_text'] = $signed_text;
2239 self::storeForUser($item, $uid);
2244 * Store a public item defined by their URI-ID for the given users
2246 * @param integer $uri_id URI-ID of the given item
2247 * @param integer $uid The user that will receive the item entry
2248 * @param array $fields Additional fields to be stored
2249 * @return integer stored item id
2251 public static function storeForUserByUriId(int $uri_id, int $uid, array $fields = [])
2253 $item = self::selectFirst(self::ITEM_FIELDLIST, ['uri-id' => $uri_id, 'uid' => 0]);
2254 if (!DBA::isResult($item)) {
2258 if (($item['private'] == self::PRIVATE) || !in_array($item['network'], Protocol::FEDERATED)) {
2259 Logger::notice('Item is private or not from a federated network. It will not be stored for the user.', ['uri-id' => $uri_id, 'uid' => $uid, 'private' => $item['private'], 'network' => $item['network']]);
2263 $item['post-type'] = self::PT_STORED;
2265 $item = array_merge($item, $fields);
2267 $stored = self::storeForUser($item, $uid);
2268 Logger::info('Public item stored for user', ['uri-id' => $item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
2273 * Store a public item array for the given users
2275 * @param array $item The item entry that will be stored
2276 * @param integer $uid The user that will receive the item entry
2277 * @return integer stored item id
2278 * @throws \Exception
2280 private static function storeForUser(array $item, int $uid)
2282 if (self::exists(['uri-id' => $item['uri-id'], 'uid' => $uid])) {
2283 Logger::info('Item already exists', ['uri-id' => $item['uri-id'], 'uid' => $uid]);
2288 unset($item['parent']);
2289 unset($item['mention']);
2290 unset($item['starred']);
2291 unset($item['unseen']);
2292 unset($item['psid']);
2294 $item['uid'] = $uid;
2295 $item['origin'] = 0;
2298 if ($item['gravity'] == GRAVITY_PARENT) {
2299 $contact = Contact::getByURLForUser($item['owner-link'], $uid, false, ['id']);
2301 $contact = Contact::getByURLForUser($item['author-link'], $uid, false, ['id']);
2304 if (!empty($contact['id'])) {
2305 $item['contact-id'] = $contact['id'];
2307 // Shouldn't happen at all
2308 Logger::warning('contact-id could not be fetched', ['uid' => $uid, 'item' => $item]);
2309 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2310 if (!DBA::isResult($self)) {
2311 // Shouldn't happen even less
2312 Logger::warning('self contact could not be fetched', ['uid' => $uid, 'item' => $item]);
2315 $item['contact-id'] = $self['id'];
2318 /// @todo Handling of "event-id"
2321 if ($item['gravity'] == GRAVITY_PARENT) {
2322 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2323 if (DBA::isResult($contact)) {
2324 $notify = self::isRemoteSelf($contact, $item);
2328 $distributed = self::insert($item, $notify, true);
2330 if (!$distributed) {
2331 Logger::info("Distributed public item wasn't stored", ['uri-id' => $item['uri-id'], 'user' => $uid]);
2333 Logger::info('Distributed public item was stored', ['uri-id' => $item['uri-id'], 'user' => $uid, 'stored' => $distributed]);
2335 return $distributed;
2339 * Add a shadow entry for a given item id that is a thread starter
2341 * We store every public item entry additionally with the user id "0".
2342 * This is used for the community page and for the search.
2343 * It is planned that in the future we will store public item entries only once.
2345 * @param integer $itemid Item ID that should be added
2346 * @throws \Exception
2348 private static function addShadow($itemid)
2350 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2351 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2352 $item = self::selectFirst($fields, $condition);
2354 if (!DBA::isResult($item)) {
2358 // is it already a copy?
2359 if (($itemid == 0) || ($item['uid'] == 0)) {
2363 // Is it a visible public post?
2364 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2368 // is it an entry from a connector? Only add an entry for natively connected networks
2369 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2373 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2377 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2379 if (DBA::isResult($item)) {
2380 // Preparing public shadow (removing user specific data)
2383 unset($item['parent']);
2384 unset($item['wall']);
2385 unset($item['mention']);
2386 unset($item['origin']);
2387 unset($item['starred']);
2388 unset($item['postopts']);
2389 unset($item['inform']);
2390 unset($item['post-type']);
2391 if ($item['uri'] == $item['parent-uri']) {
2392 $item['contact-id'] = $item['owner-id'];
2394 $item['contact-id'] = $item['author-id'];
2397 $public_shadow = self::insert($item, false, true);
2399 Logger::info('Stored public shadow', ['thread' => $itemid, 'id' => $public_shadow]);
2404 * Add a shadow entry for a given item id that is a comment
2406 * This function does the same like the function above - but for comments
2408 * @param integer $itemid Item ID that should be added
2409 * @throws \Exception
2411 private static function addShadowPost($itemid)
2413 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2414 if (!DBA::isResult($item)) {
2418 // Is it a toplevel post?
2419 if ($item['gravity'] == GRAVITY_PARENT) {
2420 self::addShadow($itemid);
2424 // Is this a shadow entry?
2425 if ($item['uid'] == 0) {
2429 // Is there a shadow parent?
2430 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2434 // Is there already a shadow entry?
2435 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2439 // Save "origin" and "parent" state
2440 $origin = $item['origin'];
2441 $parent = $item['parent'];
2443 // Preparing public shadow (removing user specific data)
2446 unset($item['parent']);
2447 unset($item['wall']);
2448 unset($item['mention']);
2449 unset($item['origin']);
2450 unset($item['starred']);
2451 unset($item['postopts']);
2452 unset($item['inform']);
2453 unset($item['post-type']);
2454 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2456 $public_shadow = self::insert($item, false, true);
2458 Logger::info('Stored public shadow', ['uri' => $item['uri'], 'id' => $public_shadow]);
2460 // If this was a comment to a Diaspora post we don't get our comment back.
2461 // This means that we have to distribute the comment by ourselves.
2462 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2463 self::distribute($public_shadow);
2468 * Adds a language specification in a "language" element of given $arr.
2469 * Expects "body" element to exist in $arr.
2471 * @param array $item
2472 * @return string detected language
2473 * @throws \Text_LanguageDetect_Exception
2475 private static function getLanguage(array $item)
2477 if (!in_array($item['gravity'], [GRAVITY_PARENT, GRAVITY_COMMENT]) || empty($item['body'])) {
2481 // Convert attachments to links
2482 $naked_body = BBCode::removeAttachment($item['body']);
2483 if (empty($naked_body)) {
2487 // Remove links and pictures
2488 $naked_body = BBCode::removeLinks($naked_body);
2490 // Convert the title and the body to plain text
2491 $naked_body = trim($item['title'] . "\n" . BBCode::toPlaintext($naked_body));
2493 // Remove possibly remaining links
2494 $naked_body = preg_replace(Strings::autoLinkRegEx(), '', $naked_body);
2496 if (empty($naked_body)) {
2500 $ld = new Language(DI::l10n()->getAvailableLanguages());
2501 $languages = $ld->detect($naked_body)->limit(0, 3)->close();
2502 if (is_array($languages)) {
2503 return json_encode($languages);
2509 public static function getLanguageMessage(array $item)
2511 $iso639 = new \Matriphe\ISO639\ISO639;
2513 $used_languages = '';
2514 foreach (json_decode($item['language'], true) as $language => $reliability) {
2515 $used_languages .= $iso639->languageByCode1($language) . ' (' . $language . "): " . number_format($reliability, 5) . '\n';
2517 $used_languages = DI::l10n()->t('Detected languages in this post:\n%s', $used_languages);
2518 return $used_languages;
2522 * Creates an unique guid out of a given uri
2524 * @param string $uri uri of an item entry
2525 * @param string $host hostname for the GUID prefix
2526 * @return string unique guid
2528 public static function guidFromUri($uri, $host)
2530 // Our regular guid routine is using this kind of prefix as well
2531 // We have to avoid that different routines could accidentally create the same value
2532 $parsed = parse_url($uri);
2534 // We use a hash of the hostname as prefix for the guid
2535 $guid_prefix = hash("crc32", $host);
2537 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2538 unset($parsed["scheme"]);
2540 // Glue it together to be able to make a hash from it
2541 $host_id = implode("/", $parsed);
2543 // We could use any hash algorithm since it isn't a security issue
2544 $host_hash = hash("ripemd128", $host_id);
2546 return $guid_prefix.$host_hash;
2550 * generate an unique URI
2552 * @param integer $uid User id
2553 * @param string $guid An existing GUID (Otherwise it will be generated)
2556 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2558 public static function newURI($uid, $guid = "")
2561 $guid = System::createUUID();
2564 return DI::baseUrl()->get() . '/objects/' . $guid;
2568 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2570 * This can be used to filter for inactive contacts.
2571 * Only do this for public postings to avoid privacy problems, since poco data is public.
2572 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2574 * @param array $arr Contains the just posted item record
2575 * @throws \Exception
2577 private static function updateContact($arr)
2579 // Unarchive the author
2580 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2581 if (DBA::isResult($contact)) {
2582 Contact::unmarkForArchival($contact);
2585 // Unarchive the contact if it's not our own contact
2586 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2587 if (DBA::isResult($contact)) {
2588 Contact::unmarkForArchival($contact);
2591 /// @todo On private posts we could obfuscate the date
2592 $update = ($arr['private'] != self::PRIVATE) || in_array($arr['network'], Protocol::FEDERATED);
2594 // Is it a forum? Then we don't care about the rules from above
2595 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2596 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2602 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2603 // So we have to ensure to only update the last item when it had been our own post,
2604 // or it had been done by a "regular" contact.
2605 if (!empty($arr['wall'])) {
2606 $condition = ['id' => $arr['contact-id']];
2608 $condition = ['id' => $arr['contact-id'], 'self' => false];
2610 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2612 // Now do the same for the system wide contacts with uid=0
2613 if ($arr['private'] != self::PRIVATE) {
2614 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2615 ['id' => $arr['owner-id']]);
2617 if ($arr['owner-id'] != $arr['author-id']) {
2618 DBA::update('contact', ['failed' => false, 'success_update' => $arr['received'], 'last-item' => $arr['received']],
2619 ['id' => $arr['author-id']]);
2624 public static function setHashtags($body)
2626 $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code'], function ($body) {
2627 $tags = BBCode::getTags($body);
2630 if (!count($tags)) {
2634 // This sorting is important when there are hashtags that are part of other hashtags
2635 // Otherwise there could be problems with hashtags like #test and #test2
2636 // Because of this we are sorting from the longest to the shortest tag.
2637 usort($tags, function ($a, $b) {
2638 return strlen($b) <=> strlen($a);
2641 $URLSearchString = "^\[\]";
2643 // All hashtags should point to the home server if "local_tags" is activated
2644 if (DI::config()->get('system', 'local_tags')) {
2645 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2646 "#[url=" . DI::baseUrl() . "/search?tag=$2]$2[/url]", $body);
2649 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2650 $body = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2652 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2655 $body = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2657 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2660 $body = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2662 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2665 // Repair recursive urls
2666 $body = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2669 foreach ($tags as $tag) {
2670 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2674 $basetag = str_replace('_', ' ', substr($tag, 1));
2675 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2677 $body = str_replace($tag, $newtag, $body);
2680 // Convert back the masked hashtags
2681 $body = str_replace("#", "#", $body);
2690 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2693 * @param int $item_id
2694 * @return boolean true if item was deleted, else false
2695 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2696 * @throws \ImagickException
2698 private static function tagDeliver($uid, $item_id)
2702 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2703 if (!DBA::isResult($user)) {
2707 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2708 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2710 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2711 if (!DBA::isResult($item)) {
2715 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2718 * Diaspora uses their own hardwired link URL in @-tags
2719 * instead of the one we supply with webfinger
2721 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2723 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2725 foreach ($matches as $mtch) {
2726 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2728 Logger::log('mention found: ' . $mtch[2]);
2734 $tags = Tag::getByURIId($item['uri-id'], [Tag::MENTION, Tag::EXCLUSIVE_MENTION]);
2735 foreach ($tags as $tag) {
2736 if (Strings::compareLink($link, $tag['url']) || Strings::compareLink($dlink, $tag['url'])) {
2738 DI::logger()->info('mention found in tag.', ['url' => $tag['url']]);
2744 if (($community_page || $prvgroup) &&
2745 !$item['wall'] && !$item['origin'] && ($item['gravity'] == GRAVITY_PARENT)) {
2746 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2747 DBA::delete('item', ['id' => $item_id]);
2753 $arr = ['item' => $item, 'user' => $user];
2755 Hook::callAll('tagged', $arr);
2757 if (!$community_page && !$prvgroup) {
2762 * tgroup delivery - setup a second delivery chain
2763 * prevent delivery looping - only proceed
2764 * if the message originated elsewhere and is a top-level post
2766 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2770 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2771 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2772 if (!DBA::isResult($self)) {
2776 $owner_id = Contact::getIdForURL($self['url']);
2778 // also reset all the privacy bits to the forum default permissions
2780 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2782 $psid = PermissionSet::getIdFromACL(
2790 $forum_mode = ($prvgroup ? 2 : 1);
2792 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2793 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2794 self::update($fields, ['id' => $item_id]);
2796 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2798 Item::performActivity($item_id, 'announce', $uid);
2804 * Automatically reshare the item if the "remote_self" option is selected
2806 * @param array $item
2809 private static function autoReshare(array $item)
2811 if ($item['gravity'] != GRAVITY_PARENT) {
2815 if (!DBA::exists('contact', ['id' => $item['contact-id'], 'remote_self' => Contact::MIRROR_NATIVE_RESHARE])) {
2819 if (!in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DFRN])) {
2823 Logger::info('Automatically reshare item', ['uid' => $item['uid'], 'id' => $item['id'], 'guid' => $item['guid'], 'uri-id' => $item['uri-id']]);
2825 Item::performActivity($item['id'], 'announce', $item['uid']);
2828 public static function isRemoteSelf($contact, &$datarray)
2830 if (!$contact['remote_self']) {
2834 // Prevent the forwarding of posts that are forwarded
2835 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2836 Logger::info('Already forwarded');
2840 // Prevent to forward already forwarded posts
2841 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2842 Logger::info('Already forwarded (second test)');
2846 // Only forward posts
2847 if ($datarray["verb"] != Activity::POST) {
2848 Logger::info('No post');
2852 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2853 Logger::info('Not public');
2857 $datarray2 = $datarray;
2858 Logger::info('remote-self start', ['contact' => $contact['url'], 'remote_self'=> $contact['remote_self'], 'item' => $datarray]);
2859 if ($contact['remote_self'] == Contact::MIRROR_OWN_POST) {
2860 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2861 ['uid' => $contact['uid'], 'self' => true]);
2862 if (DBA::isResult($self)) {
2863 $datarray['contact-id'] = $self["id"];
2865 $datarray['owner-name'] = $self["name"];
2866 $datarray['owner-link'] = $self["url"];
2867 $datarray['owner-avatar'] = $self["thumb"];
2869 $datarray['author-name'] = $datarray['owner-name'];
2870 $datarray['author-link'] = $datarray['owner-link'];
2871 $datarray['author-avatar'] = $datarray['owner-avatar'];
2873 unset($datarray['edited']);
2875 unset($datarray['network']);
2876 unset($datarray['owner-id']);
2877 unset($datarray['author-id']);
2880 if ($contact['network'] != Protocol::FEED) {
2881 $old_uri_id = $datarray["uri-id"] ?? 0;
2882 $datarray["guid"] = System::createUUID();
2883 unset($datarray["plink"]);
2884 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2885 $datarray["uri-id"] = ItemURI::getIdByURI($datarray["uri"]);
2886 $datarray["extid"] = Protocol::DFRN;
2887 $urlpart = parse_url($datarray2['author-link']);
2888 $datarray["app"] = $urlpart["host"];
2889 if (!empty($old_uri_id)) {
2890 Post\Media::copy($old_uri_id, $datarray["uri-id"]);
2893 unset($datarray["parent-uri"]);
2894 unset($datarray["thr-parent"]);
2896 $datarray['private'] = self::PUBLIC;
2900 if ($contact['network'] != Protocol::FEED) {
2901 // Store the original post
2902 $result = self::insert($datarray2);
2903 Logger::info('remote-self post original item', ['contact' => $contact['url'], 'result'=> $result, 'item' => $datarray2]);
2905 $datarray["app"] = "Feed";
2909 // Trigger automatic reactions for addons
2910 $datarray['api_source'] = true;
2912 // We have to tell the hooks who we are - this really should be improved
2913 $_SESSION['authenticated'] = true;
2914 $_SESSION['uid'] = $contact['uid'];
2916 return (bool)$result;
2923 * @param array $item
2926 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2927 * @throws \ImagickException
2929 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2931 if (DI::config()->get('system', 'disable_embedded')) {
2935 Logger::info('check for photos');
2936 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2941 $img_start = strpos($orig_body, '[img');
2942 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2943 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2945 while (($img_st_close !== false) && ($img_len !== false)) {
2946 $img_st_close++; // make it point to AFTER the closing bracket
2947 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2949 Logger::info('found photo', ['image' => $image]);
2951 if (stristr($image, $site . '/photo/')) {
2952 // Only embed locally hosted photos
2954 $i = basename($image);
2955 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2956 $x = strpos($i, '-');
2959 $res = substr($i, $x + 1);
2960 $i = substr($i, 0, $x);
2961 $photo = Photo::getPhotoForUser($uid, $i, $res);
2962 if (DBA::isResult($photo)) {
2964 * Check to see if we should replace this photo link with an embedded image
2965 * 1. No need to do so if the photo is public
2966 * 2. If there's a contact-id provided, see if they're in the access list
2967 * for the photo. If so, embed it.
2968 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2969 * permissions, regardless of order but first check to see if they're an exact
2970 * match to save some processing overhead.
2972 if (self::hasPermissions($photo)) {
2974 $recips = self::enumeratePermissions($photo);
2975 if (in_array($cid, $recips)) {
2979 if (self::samePermissions($uid, $item, $photo)) {
2985 $photo_img = Photo::getImageForPhoto($photo);
2986 // If a custom width and height were specified, apply before embedding
2987 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2988 Logger::info('scaling photo');
2990 $width = intval($match[1]);
2991 $height = intval($match[2]);
2993 $photo_img->scaleDown(max($width, $height));
2996 $data = $photo_img->asString();
2997 $type = $photo_img->getType();
2999 Logger::info('replacing photo');
3000 $image = 'data:' . $type . ';base64,' . base64_encode($data);
3001 Logger::debug('replaced', ['image' => $image]);
3007 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
3008 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
3009 if ($orig_body === false) {
3013 $img_start = strpos($orig_body, '[img');
3014 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
3015 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
3018 $new_body = $new_body . $orig_body;
3023 private static function hasPermissions($obj)
3025 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
3026 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
3029 private static function samePermissions($uid, $obj1, $obj2)
3031 // first part is easy. Check that these are exactly the same.
3032 if (($obj1['allow_cid'] == $obj2['allow_cid'])
3033 && ($obj1['allow_gid'] == $obj2['allow_gid'])
3034 && ($obj1['deny_cid'] == $obj2['deny_cid'])
3035 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
3039 // This is harder. Parse all the permissions and compare the resulting set.
3040 $recipients1 = self::enumeratePermissions($obj1);
3041 $recipients2 = self::enumeratePermissions($obj2);
3045 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
3046 return ($recipients1 == $recipients2);
3050 * Returns an array of contact-ids that are allowed to see this object
3052 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
3053 * @param bool $check_dead Prunes unavailable contacts from the result
3055 * @throws \Exception
3057 public static function enumeratePermissions(array $obj, bool $check_dead = false)
3059 $aclFormater = DI::aclFormatter();
3061 $allow_people = $aclFormater->expand($obj['allow_cid']);
3062 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
3063 $deny_people = $aclFormater->expand($obj['deny_cid']);
3064 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
3065 $recipients = array_unique(array_merge($allow_people, $allow_groups));
3066 $deny = array_unique(array_merge($deny_people, $deny_groups));
3067 $recipients = array_diff($recipients, $deny);
3071 public static function expire(int $uid, int $days, string $network = "", bool $force = false)
3073 if (!$uid || ($days < 1)) {
3077 $condition = ["`uid` = ? AND NOT `deleted` AND `gravity` = ?",
3078 $uid, GRAVITY_PARENT];
3081 * $expire_network_only = save your own wall posts
3082 * and just expire conversations started by others
3084 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3086 if ($expire_network_only) {
3087 $condition[0] .= " AND NOT `wall`";
3090 if ($network != "") {
3091 $condition[0] .= " AND `network` = ?";
3092 $condition[] = $network;
3095 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3096 $condition[] = $days;
3098 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3100 if (!DBA::isResult($items)) {
3104 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3106 // Forcing expiring of items - but not notes and marked items
3108 $expire_items = true;
3111 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3112 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3113 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3117 $priority = DI::config()->get('system', 'expire-notify-priority');
3119 while ($item = Item::fetch($items)) {
3120 // don't expire filed items
3122 if (strpos($item['file'], '[') !== false) {
3126 // Only expire posts, not photos and photo comments
3128 if (!$expire_photos && strlen($item['resource-id'])) {
3130 } elseif (!$expire_starred && intval($item['starred'])) {
3132 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3134 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3138 self::markForDeletionById($item['id'], $priority);
3143 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3146 public static function firstPostDate($uid, $wall = false)
3148 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3149 $params = ['order' => ['received' => false]];
3150 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3151 if (DBA::isResult($thread)) {
3152 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3158 * add/remove activity to an item
3160 * Toggle activities as like,dislike,attend of an item
3162 * @param int $item_id
3163 * @param string $verb
3164 * Activity verb. One of
3165 * like, unlike, dislike, undislike, attendyes, unattendyes,
3166 * attendno, unattendno, attendmaybe, unattendmaybe,
3167 * announce, unannouce
3169 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3170 * @throws \ImagickException
3171 * @hook 'post_local_end'
3173 * 'post_id' => ID of posted item
3175 public static function performActivity(int $item_id, string $verb, int $uid)
3181 Logger::notice('Start create activity', ['verb' => $verb, 'item' => $item_id, 'user' => $uid]);
3183 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
3184 if (!DBA::isResult($item)) {
3185 Logger::log('like: unknown item ' . $item_id);
3189 $item_uri = $item['uri'];
3191 if (!in_array($item['uid'], [0, $uid])) {
3195 if (!Item::exists(['uri-id' => $item['parent-uri-id'], 'uid' => $uid])) {
3196 $stored = self::storeForUserByUriId($item['parent-uri-id'], $uid);
3197 if (($item['parent-uri-id'] == $item['uri-id']) && !empty($stored)) {
3198 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $stored]);
3199 if (!DBA::isResult($item)) {
3200 Logger::info('Could not fetch just created item - should not happen', ['stored' => $stored, 'uid' => $uid, 'item-uri' => $item_uri]);
3206 // Retrieves the local post owner
3207 $owner = User::getOwnerDataById($uid);
3208 if (empty($owner)) {
3209 Logger::info('Empty owner for user', ['uid' => $uid]);
3213 // Retrieve the current logged in user's public contact
3214 $author_id = Contact::getIdForURL($owner['url']);
3215 if (empty($author_id)) {
3216 Logger::info('Empty public contact');
3224 $activity = Activity::LIKE;
3228 $activity = Activity::DISLIKE;
3232 $activity = Activity::ATTEND;
3236 $activity = Activity::ATTENDNO;
3239 case 'unattendmaybe':
3240 $activity = Activity::ATTENDMAYBE;
3244 $activity = Activity::FOLLOW;
3248 $activity = Activity::ANNOUNCE;
3251 Logger::notice('unknown verb', ['verb' => $verb, 'item' => $item_id]);
3255 $mode = Strings::startsWith($verb, 'un') ? 'delete' : 'create';
3257 // Enable activity toggling instead of on/off
3258 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3260 // Look for an existing verb row
3261 // Event participation activities are mutually exclusive, only one of them can exist at all times.
3262 if ($event_verb_flag) {
3263 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3265 // Translate to the index based activity index
3267 foreach ($verbs as $verb) {
3268 $vids[] = Verb::getID($verb);
3271 $vids = Verb::getID($activity);
3274 $condition = ['vid' => $vids, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3275 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3276 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3278 if (DBA::isResult($like_item)) {
3280 * Truth table for existing activities
3282 * | Inputs || Outputs |
3283 * |----------------------------||-------------------|
3284 * | Mode | Event | Same verb || Delete? | Return? |
3285 * |--------|-------|-----------||---------|---------|
3286 * | create | Yes | Yes || No | Yes |
3287 * | create | Yes | No || Yes | No |
3288 * | create | No | Yes || No | Yes |
3289 * | create | No | No || N/A†|
3290 * | delete | Yes | Yes || Yes | N/A‡ |
3291 * | delete | Yes | No || No | N/A‡ |
3292 * | delete | No | Yes || Yes | N/A‡ |
3293 * | delete | No | No || N/A†|
3294 * |--------|-------|-----------||---------|---------|
3295 * | A | B | C || A xor C | !B or C |
3297 * †Can't happen: It's impossible to find an existing non-event activity without
3298 * the same verb because we are only looking for this single verb.
3300 * ‡ The "mode = delete" is returning early whether an existing activity was found or not.
3302 if ($mode == 'create' xor $like_item['verb'] == $activity) {
3303 self::markForDeletionById($like_item['id']);
3306 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3311 // No need to go further if we aren't creating anything
3312 if ($mode == 'delete') {
3316 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3319 'guid' => System::createUUID(),
3320 'uri' => self::newURI($item['uid']),
3321 'uid' => $item['uid'],
3322 'contact-id' => $owner['id'],
3323 'wall' => $item['wall'],
3325 'network' => Protocol::DFRN,
3326 'gravity' => GRAVITY_ACTIVITY,
3327 'parent' => $item['id'],
3328 'thr-parent' => $item['uri'],
3329 'owner-id' => $author_id,
3330 'author-id' => $author_id,
3331 'body' => $activity,
3332 'verb' => $activity,
3333 'object-type' => $objtype,
3334 'allow_cid' => $item['allow_cid'],
3335 'allow_gid' => $item['allow_gid'],
3336 'deny_cid' => $item['deny_cid'],
3337 'deny_gid' => $item['deny_gid'],
3342 $signed = Diaspora::createLikeSignature($uid, $new_item);
3343 if (!empty($signed)) {
3344 $new_item['diaspora_signed_text'] = json_encode($signed);
3347 $new_item_id = self::insert($new_item);
3349 // If the parent item isn't visible then set it to visible
3350 if (!$item['visible']) {
3351 self::update(['visible' => true], ['id' => $item['id']]);
3354 $new_item['id'] = $new_item_id;
3356 Hook::callAll('post_local_end', $new_item);
3361 private static function addThread($itemid, $onlyshadow = false)
3363 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3364 'moderated', 'visible', 'starred', 'contact-id', 'post-type', 'uri-id',
3365 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3366 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3367 $item = self::selectFirst($fields, $condition);
3369 if (!DBA::isResult($item)) {
3373 $item['iid'] = $itemid;
3376 $result = DBA::replace('thread', $item);
3378 Logger::info('Add thread', ['item' => $itemid, 'result' => $result]);
3382 private static function updateThread($itemid, $setmention = false)
3384 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3385 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id', 'uri-id',
3386 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3388 $item = self::selectFirst($fields, ['id' => $itemid, 'gravity' => GRAVITY_PARENT]);
3389 if (!DBA::isResult($item)) {
3394 $item["mention"] = 1;
3399 foreach ($item as $field => $data) {
3400 if (!in_array($field, ["guid"])) {
3401 $fields[$field] = $data;
3405 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3407 Logger::info('Update thread', ['item' => $itemid, 'guid' => $item["guid"], 'result' => $result]);
3410 private static function deleteThread($itemid, $itemuri = "")
3412 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3413 if (!DBA::isResult($item)) {
3414 Logger::info('No thread found', ['id' => $itemid]);
3418 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3420 Logger::info('Deleted thread', ['item' => $itemid, 'result' => $result]);
3422 if ($itemuri != "") {
3423 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3424 if (!self::exists($condition)) {
3425 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3426 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3432 * Fetch the SQL condition for the given user id
3434 * @param integer $owner_id User ID for which the permissions should be fetched
3435 * @return array condition
3437 public static function getPermissionsConditionArrayByUserId(int $owner_id)
3439 $local_user = local_user();
3440 $remote_user = Session::getRemoteContactID($owner_id);
3442 // default permissions - anonymous user
3443 $condition = ["`private` != ?", self::PRIVATE];
3445 if ($local_user && ($local_user == $owner_id)) {
3446 // Profile owner - everything is visible
3448 } elseif ($remote_user) {
3449 // Authenticated visitor - fetch the matching permissionsets
3450 $set = PermissionSet::get($owner_id, $remote_user);
3452 $condition = ["(`private` != ? OR (`private` = ? AND `wall`
3453 AND `psid` IN (" . implode(', ', array_fill(0, count($set), '?')) . ")))",
3454 Item::PRIVATE, Item::PRIVATE];
3455 $condition = array_merge($condition, $set);
3462 public static function getPermissionsSQLByUserId($owner_id)
3464 $local_user = local_user();
3465 $remote_user = Session::getRemoteContactID($owner_id);
3468 * Construct permissions
3470 * default permissions - anonymous user
3472 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3474 // Profile owner - everything is visible
3475 if ($local_user && ($local_user == $owner_id)) {
3477 } elseif ($remote_user) {
3479 * Authenticated visitor. Unless pre-verified,
3480 * check that the contact belongs to this $owner_id
3481 * and load the groups the visitor belongs to.
3482 * If pre-verified, the caller is expected to have already
3483 * done this and passed the groups into this function.
3485 $set = PermissionSet::get($owner_id, $remote_user);
3488 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3493 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3500 * get translated item type
3505 public static function postType($item)
3507 if (!empty($item['event-id'])) {
3508 return DI::l10n()->t('event');
3509 } elseif (!empty($item['resource-id'])) {
3510 return DI::l10n()->t('photo');
3511 } elseif ($item['gravity'] == GRAVITY_ACTIVITY) {
3512 return DI::l10n()->t('activity');
3513 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
3514 return DI::l10n()->t('comment');
3517 return DI::l10n()->t('post');
3521 * Sets the "rendered-html" field of the provided item
3523 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3525 * @param array $item
3526 * @param bool $update
3528 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3529 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3531 public static function putInCache(&$item, $update = false)
3533 // Save original body to prevent addons to modify it
3534 $body = $item['body'];
3536 $rendered_hash = $item['rendered-hash'] ?? '';
3537 $rendered_html = $item['rendered-html'] ?? '';
3539 if ($rendered_hash == ''
3540 || $rendered_html == ''
3541 || $rendered_hash != hash('md5', BBCode::VERSION . '::' . $body)
3542 || DI::config()->get('system', 'ignore_cache')
3544 self::addRedirToImageTags($item);
3546 $item['rendered-html'] = BBCode::convert($item['body']);
3547 $item['rendered-hash'] = hash('md5', BBCode::VERSION . '::' . $body);
3549 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3550 Hook::callAll('put_item_in_cache', $hook_data);
3551 $item['rendered-html'] = $hook_data['rendered-html'];
3552 $item['rendered-hash'] = $hook_data['rendered-hash'];
3555 // Force an update if the generated values differ from the existing ones
3556 if ($rendered_hash != $item['rendered-hash']) {
3560 // Only compare the HTML when we forcefully ignore the cache
3561 if (DI::config()->get('system', 'ignore_cache') && ($rendered_html != $item['rendered-html'])) {
3565 if ($update && !empty($item['id'])) {
3568 'rendered-html' => $item['rendered-html'],
3569 'rendered-hash' => $item['rendered-hash']
3571 ['id' => $item['id']]
3576 $item['body'] = $body;
3580 * Find any non-embedded images in private items and add redir links to them
3582 * @param array &$item The field array of an item row
3584 private static function addRedirToImageTags(array &$item)
3589 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3591 foreach ($matches as $mtch) {
3592 if (strpos($mtch[1], '/redir') !== false) {
3596 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3597 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3598 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3605 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3606 * If attach is true, also add icons for item attachments.
3608 * @param array $item
3609 * @param boolean $attach
3610 * @param boolean $is_preview
3611 * @return string item body html
3612 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3613 * @throws \ImagickException
3614 * @hook prepare_body_init item array before any work
3615 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3616 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3617 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3619 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3622 Hook::callAll('prepare_body_init', $item);
3624 // In order to provide theme developers more possibilities, event items
3625 // are treated differently.
3626 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3627 $ev = Event::getItemHTML($item);
3631 $tags = Tag::populateFromItem($item);
3633 $item['tags'] = $tags['tags'];
3634 $item['hashtags'] = $tags['hashtags'];
3635 $item['mentions'] = $tags['mentions'];
3637 // Compile eventual content filter reasons
3638 $filter_reasons = [];
3639 if (!$is_preview && public_contact() != $item['author-id']) {
3640 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3641 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3646 'filter_reasons' => $filter_reasons
3648 Hook::callAll('prepare_body_content_filter', $hook_data);
3649 $filter_reasons = $hook_data['filter_reasons'];
3653 // Update the cached values if there is no "zrl=..." on the links.
3654 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3656 // Or update it if the current viewer is the intented viewer.
3657 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3661 self::putInCache($item, $update);
3662 $s = $item["rendered-html"];
3667 'preview' => $is_preview,
3668 'filter_reasons' => $filter_reasons
3670 Hook::callAll('prepare_body', $hook_data);
3671 $s = $hook_data['html'];
3675 // Replace the blockquotes with quotes that are used in mails.
3676 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3677 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3683 foreach (Post\Media::getByURIId($item['uri-id'], [Post\Media::DOCUMENT, Post\Media::TORRENT, Post\Media::UNKNOWN]) as $attachment) {
3684 $mime = $attachment['mimetype'];
3686 $the_url = Contact::magicLinkById($item['author-id'], $attachment['url']);
3688 if (strpos($mime, 'video') !== false) {
3691 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3694 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3696 'id' => $item['author-id'],
3697 'title' => DI::l10n()->t('View Video'),
3704 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3706 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3707 $filesubtype = str_replace('.', '-', $filesubtype);
3710 $filesubtype = 'unkn';
3713 $title = Strings::escapeHtml(trim(($attachment['description'] ?? '') ?: $attachment['url']));
3714 $title .= ' ' . ($attachment['size'] ?? 0) . ' ' . DI::l10n()->t('bytes');
3716 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3717 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3721 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3725 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3726 $x = Map::byCoordinates(trim($item['coord']));
3728 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3732 // Replace friendica image url size with theme preference.
3733 if (!empty($a->theme_info['item_image_size'])) {
3734 $ps = $a->theme_info['item_image_size'];
3735 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3738 $s = HTML::applyContentFilter($s, $filter_reasons);
3740 $hook_data = ['item' => $item, 'html' => $s];
3741 Hook::callAll('prepare_body_final', $hook_data);
3743 return $hook_data['html'];
3747 * get private link for item
3749 * @param array $item
3750 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3751 * @throws \Exception
3753 public static function getPlink($item)
3757 'href' => "display/" . $item['guid'],
3758 'orig' => "display/" . $item['guid'],
3759 'title' => DI::l10n()->t('View on separate page'),
3760 'orig_title' => DI::l10n()->t('view on separate page'),
3763 if (!empty($item['plink'])) {
3764 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3765 $ret["title"] = DI::l10n()->t('link to source');
3767 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3769 'href' => $item['plink'],
3770 'orig' => $item['plink'],
3771 'title' => DI::l10n()->t('link to source'),
3781 * Is the given item array a post that is sent as starting post to a forum?
3783 * @param array $item
3784 * @param array $owner
3786 * @return boolean "true" when it is a forum post
3788 public static function isForumPost(array $item, array $owner = [])
3790 if (empty($owner)) {
3791 $owner = User::getOwnerDataById($item['uid']);
3792 if (empty($owner)) {
3797 if (($item['author-id'] == $item['owner-id']) ||
3798 ($owner['id'] == $item['contact-id']) ||
3799 ($item['uri'] != $item['parent-uri']) ||
3804 return Contact::isForum($item['contact-id']);
3808 * Search item id for given URI or plink
3810 * @param string $uri
3811 * @param integer $uid
3813 * @return integer item id
3815 public static function searchByLink($uri, $uid = 0)
3817 $ssl_uri = str_replace('http://', 'https://', $uri);
3818 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3820 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3821 if (DBA::isResult($item)) {
3825 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3826 if (!DBA::isResult($itemcontent)) {
3830 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3831 if (!DBA::isResult($itemuri)) {
3835 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3836 if (DBA::isResult($item)) {
3844 * Return the URI for a link to the post
3846 * @param string $uri URI or link to post
3848 * @return string URI
3850 public static function getURIByLink(string $uri)
3852 $ssl_uri = str_replace('http://', 'https://', $uri);
3853 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3855 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3856 if (DBA::isResult($item)) {
3857 return $item['uri'];
3860 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3861 if (!DBA::isResult($itemcontent)) {
3865 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3866 if (DBA::isResult($itemuri)) {
3867 return $itemuri['uri'];
3874 * Fetches item for given URI or plink
3876 * @param string $uri
3877 * @param integer $uid
3879 * @return integer item id
3881 public static function fetchByLink(string $uri, int $uid = 0)
3883 Logger::info('Trying to fetch link', ['uid' => $uid, 'uri' => $uri]);
3884 $item_id = self::searchByLink($uri, $uid);
3885 if (!empty($item_id)) {
3886 Logger::info('Link found', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3890 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3891 $item_id = self::searchByLink($fetched_uri, $uid);
3893 $item_id = Diaspora::fetchByURL($uri);
3896 if (!empty($item_id)) {
3897 Logger::info('Link fetched', ['uid' => $uid, 'uri' => $uri, 'id' => $item_id]);
3901 Logger::info('Link not found', ['uid' => $uid, 'uri' => $uri]);
3906 * Return share data from an item array (if the item is shared item)
3907 * We are providing the complete Item array, because at some time in the future
3908 * we hopefully will define these values not in the body anymore but in some item fields.
3909 * This function is meant to replace all similar functions in the system.
3911 * @param array $item
3913 * @return array with share information
3915 public static function getShareArray($item)
3917 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3921 $attribute_string = $matches[2];
3922 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3923 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3924 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3925 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3932 * Fetch item information for shared items from the original items and adds it.
3934 * @param array $item
3936 * @return array item array with data from the original item
3938 public static function addShareDataFromOriginal(array $item)
3940 $shared = self::getShareArray($item);
3941 if (empty($shared)) {
3945 // Real reshares always have got a GUID.
3946 if (empty($shared['guid'])) {
3950 $uid = $item['uid'] ?? 0;
3952 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3953 $shared_item = self::selectFirst(['title', 'body'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3954 if (!DBA::isResult($shared_item)) {
3955 if (empty($shared['link'])) {
3959 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3960 $id = self::fetchByLink($shared['link'] ?? '', $uid);
3962 Logger::info('Original item not found', ['url' => $shared['link'] ?? '', 'callstack' => System::callstack()]);
3966 $shared_item = self::selectFirst(['title', 'body'], ['id' => $id]);
3967 if (!DBA::isResult($shared_item)) {
3970 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3972 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3975 if (!empty($shared_item['title'])) {
3976 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3977 unset($shared_item['title']);
3979 $body = $shared_item['body'];
3982 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3983 unset($shared_item['body']);
3985 return array_merge($item, $shared_item);
3989 * Check a prospective item array against user-level permissions
3991 * @param array $item Expected keys: uri, gravity, and
3992 * author-link if is author-id is set,
3993 * owner-link if is owner-id is set,
3994 * causer-link if is causer-id is set.
3995 * @param int $user_id Local user ID
3997 * @throws \Exception
3999 protected static function isAllowedByUser(array $item, int $user_id)
4001 if (!empty($item['author-id']) && Contact\User::isBlocked($item['author-id'], $user_id)) {
4002 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4006 if (!empty($item['owner-id']) && Contact\User::isBlocked($item['owner-id'], $user_id)) {
4007 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4011 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
4012 if (!empty($item['causer-id']) && Contact\User::isBlocked($item['causer-id'], $user_id)) {
4013 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);
4017 if (!empty($item['causer-id']) && ($item['gravity'] === GRAVITY_PARENT) && Contact\User::isIgnored($item['causer-id'], $user_id)) {
4018 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'] ?? $item['causer-id'], 'uid' => $user_id, 'item-uri' => $item['uri']]);