3 * @copyright Copyright (C) 2020, Friendica
5 * @license GNU AGPL version 3 or any later version
7 * This program is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU Affero General Public License as
9 * published by the Free Software Foundation, either version 3 of the
10 * License, or (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU Affero General Public License for more details.
17 * You should have received a copy of the GNU Affero General Public License
18 * along with this program. If not, see <https://www.gnu.org/licenses/>.
22 namespace Friendica\Model;
24 use Friendica\Content\Text\BBCode;
25 use Friendica\Content\Text\HTML;
26 use Friendica\Core\Hook;
27 use Friendica\Core\Logger;
28 use Friendica\Core\Protocol;
29 use Friendica\Core\Renderer;
30 use Friendica\Core\Session;
31 use Friendica\Core\System;
32 use Friendica\Core\Worker;
33 use Friendica\Database\DBA;
35 use Friendica\Model\Post\Category;
36 use Friendica\Protocol\Activity;
37 use Friendica\Protocol\ActivityPub;
38 use Friendica\Protocol\Diaspora;
39 use Friendica\Util\DateTimeFormat;
40 use Friendica\Util\Map;
41 use Friendica\Util\Network;
42 use Friendica\Util\Security;
43 use Friendica\Util\Strings;
44 use Friendica\Worker\Delivery;
45 use Text_LanguageDetect;
46 use Friendica\Repository\PermissionSet as RepPermissionSet;
50 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
57 const PT_DOCUMENT = 19;
59 const PT_PERSONAL_NOTE = 128;
61 // Field list that is used to display the items
62 const DISPLAY_FIELDLIST = [
63 'uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
64 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
65 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
66 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
67 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
68 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
69 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
70 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
71 'writable', 'self', 'cid', 'alias', 'pinned',
72 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
73 'event-summary', 'event-desc', 'event-location', 'event-type',
74 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
75 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed', 'activity'
78 // Field list that is used to deliver items via the protocols
79 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri-id', 'uri', 'thr-parent', 'parent-uri', 'guid',
80 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
81 'private', 'title', 'body', 'location', 'coord', 'app',
82 'attach', 'deleted', 'extid', 'post-type',
83 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
84 'author-id', 'author-link', 'owner-link', 'contact-uid',
85 'signed_text', 'signature', 'signer', 'network'];
87 // Field list for "item-content" table that is mixed with the item table
88 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
89 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
90 'object-type', 'object', 'target-type', 'target', 'plink'];
92 // Field list for "item-content" table that is not present in the "item" table
93 const CONTENT_FIELDLIST = ['language'];
95 // All fields in the item table
96 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
97 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
98 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
99 'created', 'edited', 'commented', 'received', 'changed', 'verb',
100 'postopts', 'plink', 'resource-id', 'event-id', 'attach', 'inform',
101 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
102 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
103 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
104 'title', 'content-warning', 'body', 'location', 'coord', 'app',
105 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
106 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
107 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
109 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
110 // The item-activity table only stores the index and needs this array to know the matching activity.
112 Activity::LIKE, Activity::DISLIKE,
113 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
121 private static $legacy_mode = null;
123 public static function isLegacyMode()
125 if (is_null(self::$legacy_mode)) {
126 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
129 return self::$legacy_mode;
133 * Set the pinned state of an item
135 * @param integer $iid Item ID
136 * @param integer $uid User ID
137 * @param boolean $pinned Pinned state
139 public static function setPinned(int $iid, int $uid, bool $pinned)
141 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
145 * Get the pinned state
147 * @param integer $iid Item ID
148 * @param integer $uid User ID
150 * @return boolean pinned state
152 public static function getPinned(int $iid, int $uid)
154 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
155 if (!DBA::isResult($useritem)) {
158 return (bool)$useritem['pinned'];
162 * Select pinned rows from the item table for a given user
164 * @param integer $uid User ID
165 * @param array $selected Array of selected fields, empty for all
166 * @param array $condition Array of fields for condition
167 * @param array $params Array of several parameters
169 * @return boolean|object
172 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
174 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
175 if (!DBA::isResult($useritems)) {
180 while ($useritem = DBA::fetch($useritems)) {
181 $pinned[] = $useritem['iid'];
183 DBA::close($useritems);
185 if (empty($pinned)) {
189 if (empty($condition) || !is_array($condition)) {
190 $condition = ['iid' => $pinned];
193 $first_key = key($condition);
194 if (!is_int($first_key)) {
195 $condition['iid'] = $pinned;
197 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
198 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
199 $condition = array_merge($condition, $pinned);
203 return self::selectThreadForUser($uid, $selected, $condition, $params);
207 * returns an activity index from an activity string
209 * @param string $activity activity string
210 * @return integer Activity index
212 public static function activityToIndex($activity)
214 $index = array_search($activity, self::ACTIVITIES);
216 if (is_bool($index)) {
224 * returns an activity string from an activity index
226 * @param integer $index activity index
227 * @return string Activity string
229 private static function indexToActivity($index)
231 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
235 return self::ACTIVITIES[$index];
239 * Fetch a single item row
241 * @param mixed $stmt statement object
242 * @return array current row
244 public static function fetch($stmt)
246 $row = DBA::fetch($stmt);
252 // ---------------------- Transform item structure data ----------------------
254 // We prefer the data from the user's contact over the public one
255 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
256 ($row['author-link'] == $row['contact-link'])) {
257 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
258 $row['author-avatar'] = $row['contact-avatar'];
260 if (isset($row['author-name']) && !empty($row['contact-name'])) {
261 $row['author-name'] = $row['contact-name'];
265 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
266 ($row['owner-link'] == $row['contact-link'])) {
267 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
268 $row['owner-avatar'] = $row['contact-avatar'];
270 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
271 $row['owner-name'] = $row['contact-name'];
275 // We can always comment on posts from these networks
276 if (array_key_exists('writable', $row) &&
277 in_array($row['internal-network'], Protocol::FEDERATED)) {
278 $row['writable'] = true;
281 // ---------------------- Transform item content data ----------------------
283 // Fetch data from the item-content table whenever there is content there
284 if (self::isLegacyMode()) {
285 $legacy_fields = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
286 foreach ($legacy_fields as $field) {
287 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
288 $row[$field] = $row['internal-item-' . $field];
290 unset($row['internal-item-' . $field]);
294 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
295 $row['verb'] = self::indexToActivity($row['internal-activity']);
296 if (array_key_exists('title', $row)) {
299 if (array_key_exists('body', $row)) {
300 $row['body'] = $row['verb'];
302 if (array_key_exists('object', $row)) {
305 if (array_key_exists('object-type', $row)) {
306 $row['object-type'] = Activity\ObjectType::NOTE;
308 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
309 // Posts don't have a target - but having tags or files.
310 // We safe some performance by building tag and file strings only here.
311 // We remove the target since they aren't used for this type.
312 // In mail posts we do store some mail header data in the object.
313 if (array_key_exists('target', $row)) {
318 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
319 // Build the file string out of the term entries
320 if (array_key_exists('file', $row) && empty($row['file'])) {
321 $row['file'] = Category::getTextByURIId($row['internal-uri-id'], $row['internal-uid']);
325 if ($row['internal-psid'] == RepPermissionSet::PUBLIC) {
326 if (array_key_exists('allow_cid', $row)) {
327 $row['allow_cid'] = '';
329 if (array_key_exists('allow_gid', $row)) {
330 $row['allow_gid'] = '';
332 if (array_key_exists('deny_cid', $row)) {
333 $row['deny_cid'] = '';
335 if (array_key_exists('deny_gid', $row)) {
336 $row['deny_gid'] = '';
340 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
341 $row['ignored'] = $row['internal-user-ignored'];
344 // Remove internal fields
345 unset($row['internal-activity']);
346 unset($row['internal-network']);
347 unset($row['internal-uri-id']);
348 unset($row['internal-uid']);
349 unset($row['internal-psid']);
350 unset($row['internal-iaid']);
351 unset($row['internal-user-ignored']);
352 unset($row['interaction']);
358 * Fills an array with data from an item query
360 * @param object $stmt statement object
361 * @param bool $do_close
362 * @return array Data array
364 public static function inArray($stmt, $do_close = true) {
365 if (is_bool($stmt)) {
370 while ($row = self::fetch($stmt)) {
380 * Check if item data exists
382 * @param array $condition array of fields for condition
384 * @return boolean Are there rows for that condition?
387 public static function exists($condition) {
388 $stmt = self::select(['id'], $condition, ['limit' => 1]);
390 if (is_bool($stmt)) {
393 $retval = (DBA::numRows($stmt) > 0);
402 * Retrieve a single record from the item table for a given user and returns it in an associative array
404 * @param integer $uid User ID
405 * @param array $selected
406 * @param array $condition
407 * @param array $params
412 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
414 $params['uid'] = $uid;
416 if (empty($selected)) {
417 $selected = Item::DISPLAY_FIELDLIST;
420 return self::selectFirst($selected, $condition, $params);
424 * Select rows from the item table for a given user
426 * @param integer $uid User ID
427 * @param array $selected Array of selected fields, empty for all
428 * @param array $condition Array of fields for condition
429 * @param array $params Array of several parameters
431 * @return boolean|object
434 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
436 $params['uid'] = $uid;
438 if (empty($selected)) {
439 $selected = Item::DISPLAY_FIELDLIST;
442 return self::select($selected, $condition, $params);
446 * Retrieve a single record from the item table and returns it in an associative array
448 * @param array $fields
449 * @param array $condition
450 * @param array $params
455 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
457 $params['limit'] = 1;
459 $result = self::select($fields, $condition, $params);
461 if (is_bool($result)) {
464 $row = self::fetch($result);
471 * Select rows from the item table and returns them as an array
473 * @param array $selected Array of selected fields, empty for all
474 * @param array $condition Array of fields for condition
475 * @param array $params Array of several parameters
480 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
482 $result = self::select($fields, $condition, $params);
484 if (is_bool($result)) {
489 while ($row = self::fetch($result)) {
498 * Select rows from the item table
500 * @param array $selected Array of selected fields, empty for all
501 * @param array $condition Array of fields for condition
502 * @param array $params Array of several parameters
504 * @return boolean|object
507 public static function select(array $selected = [], array $condition = [], $params = [])
512 if (isset($params['uid'])) {
513 $uid = $params['uid'];
517 $fields = self::fieldlist($usermode);
519 $select_fields = self::constructSelectFields($fields, $selected);
521 $condition_string = DBA::buildCondition($condition);
523 $condition_string = self::addTablesToFields($condition_string, $fields);
526 $condition_string = $condition_string . ' AND ' . self::condition(false);
529 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
531 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
533 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
535 return DBA::p($sql, $condition);
539 * Select rows from the starting post in the item table
541 * @param integer $uid User ID
542 * @param array $selected
543 * @param array $condition Array of fields for condition
544 * @param array $params Array of several parameters
546 * @return boolean|object
549 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
551 $params['uid'] = $uid;
553 if (empty($selected)) {
554 $selected = Item::DISPLAY_FIELDLIST;
557 return self::selectThread($selected, $condition, $params);
561 * Retrieve a single record from the starting post in the item table and returns it in an associative array
563 * @param integer $uid User ID
564 * @param array $selected
565 * @param array $condition
566 * @param array $params
571 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
573 $params['uid'] = $uid;
575 if (empty($selected)) {
576 $selected = Item::DISPLAY_FIELDLIST;
579 return self::selectFirstThread($selected, $condition, $params);
583 * Retrieve a single record from the starting post in the item table and returns it in an associative array
585 * @param array $fields
586 * @param array $condition
587 * @param array $params
592 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
594 $params['limit'] = 1;
595 $result = self::selectThread($fields, $condition, $params);
597 if (is_bool($result)) {
600 $row = self::fetch($result);
607 * Select rows from the starting post in the item table
609 * @param array $selected Array of selected fields, empty for all
610 * @param array $condition Array of fields for condition
611 * @param array $params Array of several parameters
613 * @return boolean|object
616 public static function selectThread(array $selected = [], array $condition = [], $params = [])
621 if (isset($params['uid'])) {
622 $uid = $params['uid'];
626 $fields = self::fieldlist($usermode);
628 $fields['thread'] = ['mention', 'ignored', 'iid'];
630 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
631 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
632 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
633 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
635 $select_fields = self::constructSelectFields($fields, $selected);
637 $condition_string = DBA::buildCondition($condition);
639 $condition_string = self::addTablesToFields($condition_string, $threadfields);
640 $condition_string = self::addTablesToFields($condition_string, $fields);
643 $condition_string = $condition_string . ' AND ' . self::condition(true);
646 $param_string = DBA::buildParameter($params);
647 $param_string = self::addTablesToFields($param_string, $threadfields);
648 $param_string = self::addTablesToFields($param_string, $fields);
650 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
652 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
654 return DBA::p($sql, $condition);
658 * Returns a list of fields that are associated with the item table
661 * @return array field list
663 private static function fieldlist($usermode)
667 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent',
668 'guid', 'uri-id', 'parent-uri-id', 'thr-parent-id',
669 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
670 'created', 'edited', 'commented', 'received', 'changed', 'psid',
671 'resource-id', 'event-id', 'attach', 'post-type', 'file',
672 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
673 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
674 'id' => 'item_id', 'network', 'icid', 'iaid',
675 'uri-id' => 'internal-uri-id', 'uid' => 'internal-uid',
676 'network' => 'internal-network', 'iaid' => 'internal-iaid', 'psid' => 'internal-psid'];
679 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
682 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
684 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
686 $fields['post-delivery-data'] = array_merge(Post\DeliveryData::LEGACY_FIELD_LIST, Post\DeliveryData::FIELD_LIST);
688 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
690 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
691 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
693 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
694 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
696 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
697 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
698 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
700 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
702 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
704 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
705 'start' => 'event-start','finish' => 'event-finish',
706 'summary' => 'event-summary','desc' => 'event-desc',
707 'location' => 'event-location', 'type' => 'event-type',
708 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
709 'ignore' => 'event-ignore', 'id' => 'event-id'];
711 $fields['diaspora-interaction'] = ['interaction', 'interaction' => 'signed_text'];
717 * Returns SQL condition for the "select" functions
719 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
721 * @return string SQL condition
723 private static function condition($thread_mode)
726 $master_table = "`thread`";
728 $master_table = "`item`";
730 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
731 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
732 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
733 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
734 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
735 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
736 GRAVITY_PARENT, GRAVITY_PARENT);
740 * Returns all needed "JOIN" commands for the "select" functions
742 * @param integer $uid User ID
743 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
744 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
747 * @return string The SQL joins for the "select" functions
749 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
752 $master_table = "`thread`";
753 $master_table_key = "`thread`.`iid`";
754 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
756 $master_table = "`item`";
757 $master_table_key = "`item`.`id`";
762 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
763 AND NOT `contact`.`blocked`
764 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
765 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
766 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
767 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
768 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
769 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
770 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
771 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
773 if (strpos($sql_commands, "`contact`.") !== false) {
774 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
776 if (strpos($sql_commands, "`author`.") !== false) {
777 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
779 if (strpos($sql_commands, "`owner`.") !== false) {
780 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
784 if (strpos($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-activity`.") !== false) {
801 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
804 if (strpos($sql_commands, "`item-content`.") !== false) {
805 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
808 if (strpos($sql_commands, "`post-delivery-data`.") !== false) {
809 $joins .= " LEFT JOIN `post-delivery-data` ON `post-delivery-data`.`uri-id` = `item`.`uri-id` AND `item`.`origin`";
812 if (strpos($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-author`.") !== false)) {
817 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
820 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
821 $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-iaid', 'internal-network']);
841 if (in_array('verb', $selected)) {
842 $selected[] = 'internal-activity';
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 // To ensure the data integrity we do it in an transaction
918 // We cannot simply expand the condition to check for origin entries
919 // The condition needn't to be a simple array but could be a complex condition.
920 // And we have to execute this query before the update to ensure to fetch the same data.
921 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'uid', 'file'], $condition);
923 $content_fields = [];
924 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
925 if (isset($fields[$field])) {
926 $content_fields[$field] = $fields[$field];
927 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
928 unset($fields[$field]);
930 $fields[$field] = null;
935 $delivery_data = Post\DeliveryData::extractFields($fields);
937 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
938 foreach ($clear_fields as $field) {
939 if (array_key_exists($field, $fields)) {
940 $fields[$field] = null;
944 if (array_key_exists('file', $fields)) {
945 $files = $fields['file'];
946 $fields['file'] = null;
951 if (!empty($fields)) {
952 $success = DBA::update('item', $fields, $condition);
961 // When there is no content for the "old" item table, this will count the fetched items
962 $rows = DBA::affectedRows();
966 while ($item = DBA::fetch($items)) {
967 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
968 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
970 if (empty($item['iaid'])) {
971 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
972 if (DBA::isResult($item_activity)) {
973 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
974 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
975 if (self::isLegacyMode()) {
976 $item_fields[$field] = null;
978 unset($item_fields[$field]);
981 DBA::update('item', $item_fields, ['id' => $item['id']]);
983 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
984 DBA::delete('item-content', ['id' => $item['icid']]);
987 } elseif (!empty($item['icid'])) {
988 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
990 if (!DBA::exists('item', ['icid' => $item['icid']])) {
991 DBA::delete('item-content', ['id' => $item['icid']]);
995 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
997 if (empty($item['icid'])) {
998 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
999 if (DBA::isResult($item_content)) {
1000 $item_fields = ['icid' => $item_content['id']];
1001 // Clear all fields in the item table that have a content in the item-content table
1002 foreach ($item_content as $field => $content) {
1003 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1004 if (self::isLegacyMode()) {
1005 $item_fields[$field] = null;
1007 unset($item_fields[$field]);
1011 DBA::update('item', $item_fields, ['id' => $item['id']]);
1016 if (!is_null($files)) {
1017 Category::storeTextByURIId($item['uri-id'], $item['uid'], $files);
1018 if (!empty($item['file'])) {
1019 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1023 Post\DeliveryData::update($item['uri-id'], $delivery_data);
1025 self::updateThread($item['id']);
1027 // We only need to notfiy others when it is an original entry from us.
1028 // Only call the notifier when the item has some content relevant change.
1029 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1030 $notify_items[] = $item['id'];
1037 foreach ($notify_items as $notify_item) {
1038 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1045 * Delete an item and notify others about it - if it was ours
1047 * @param array $condition The condition for finding the item entries
1048 * @param integer $priority Priority for the notification
1049 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1051 public static function markForDeletion($condition, $priority = PRIORITY_HIGH)
1053 $items = self::select(['id'], $condition);
1054 while ($item = self::fetch($items)) {
1055 self::markForDeletionById($item['id'], $priority);
1061 * Delete an item for an user and notify others about it - if it was ours
1063 * @param array $condition The condition for finding the item entries
1064 * @param integer $uid User who wants to delete this item
1065 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1067 public static function deleteForUser($condition, $uid)
1073 $items = self::select(['id', 'uid'], $condition);
1074 while ($item = self::fetch($items)) {
1075 // "Deleting" global items just means hiding them
1076 if ($item['uid'] == 0) {
1077 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1079 // Delete notifications
1080 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1081 } elseif ($item['uid'] == $uid) {
1082 self::markForDeletionById($item['id'], PRIORITY_HIGH);
1084 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1091 * Mark an item for deletion, delete related data and notify others about it - if it was ours
1093 * @param integer $item_id
1094 * @param integer $priority Priority for the notification
1096 * @return boolean success
1097 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1099 public static function markForDeletionById($item_id, $priority = PRIORITY_HIGH)
1101 Logger::info('Mark item for deletion by id', ['id' => $item_id, 'callstack' => System::callstack()]);
1102 // locate item to be deleted
1103 $fields = ['id', 'uri', 'uri-id', 'uid', 'parent', 'parent-uri', 'origin',
1104 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1105 'verb', 'object-type', 'object', 'target', 'contact-id',
1106 'icid', 'iaid', 'psid'];
1107 $item = self::selectFirst($fields, ['id' => $item_id]);
1108 if (!DBA::isResult($item)) {
1109 Logger::info('Item not found.', ['id' => $item_id]);
1113 if ($item['deleted']) {
1114 Logger::info('Item has already been marked for deletion.', ['id' => $item_id]);
1118 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1119 if (!DBA::isResult($parent)) {
1120 $parent = ['origin' => false];
1123 // clean up categories and tags so they don't end up as orphans
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],true);
1136 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1139 foreach ($matches as $mtch) {
1140 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1145 * If item is a link to a photo resource, nuke all the associated photos
1146 * (visitors will not have photo resources)
1147 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1148 * generate a resource-id and therefore aren't intimately linked to the item.
1150 /// @TODO: this should first check if photo is used elsewhere
1151 if (strlen($item['resource-id'])) {
1152 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1155 // If item is a link to an event, delete the event.
1156 if (intval($item['event-id'])) {
1157 Event::delete($item['event-id']);
1160 // If item has attachments, drop them
1161 /// @TODO: this should first check if attachment is used elsewhere
1162 foreach (explode(",", $item['attach']) as $attach) {
1163 preg_match("|attach/(\d+)|", $attach, $matches);
1164 if (is_array($matches) && count($matches) > 1) {
1165 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1169 // Delete notifications
1170 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1172 // Set the item to "deleted"
1173 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1174 DBA::update('item', $item_fields, ['id' => $item['id']]);
1176 Category::storeTextByURIId($item['uri-id'], $item['uid'], '');
1177 self::deleteThread($item['id'], $item['parent-uri']);
1179 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1180 self::markForDeletion(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1183 Post\DeliveryData::delete($item['uri-id']);
1185 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1187 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1188 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1190 // When the permission set will be used in photo and events as well,
1191 // this query here needs to be extended.
1192 // @todo Currently deactivated. We need the permission set in the deletion process.
1193 // This is a reminder to add the removal somewhere else.
1194 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1195 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1198 // If it's the parent of a comment thread, kill all the kids
1199 if ($item['id'] == $item['parent']) {
1200 self::markForDeletion(['parent' => $item['parent'], 'deleted' => false], $priority);
1203 // Is it our comment and/or our thread?
1204 if ($item['origin'] || $parent['origin']) {
1205 // When we delete the original post we will delete all existing copies on the server as well
1206 self::markForDeletion(['uri' => $item['uri'], 'deleted' => false], $priority);
1208 // send the notification upstream/downstream
1209 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1210 } elseif ($item['uid'] != 0) {
1212 // When we delete just our local user copy of an item, we have to set a marker to hide it
1213 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1214 if (DBA::isResult($global_item)) {
1215 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1219 Logger::info('Item has been marked for deletion.', ['id' => $item_id]);
1225 private static function guid($item, $notify)
1227 if (!empty($item['guid'])) {
1228 return Strings::escapeTags(trim($item['guid']));
1232 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1233 // We add the hash of our own host because our host is the original creator of the post.
1234 $prefix_host = DI::baseUrl()->getHostname();
1238 // We are only storing the post so we create a GUID from the original hostname.
1239 if (!empty($item['author-link'])) {
1240 $parsed = parse_url($item['author-link']);
1241 if (!empty($parsed['host'])) {
1242 $prefix_host = $parsed['host'];
1246 if (empty($prefix_host) && !empty($item['plink'])) {
1247 $parsed = parse_url($item['plink']);
1248 if (!empty($parsed['host'])) {
1249 $prefix_host = $parsed['host'];
1253 if (empty($prefix_host) && !empty($item['uri'])) {
1254 $parsed = parse_url($item['uri']);
1255 if (!empty($parsed['host'])) {
1256 $prefix_host = $parsed['host'];
1260 // Is it in the format data@host.tld? - Used for mail contacts
1261 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1262 $mailparts = explode('@', $item['author-link']);
1263 $prefix_host = array_pop($mailparts);
1267 if (!empty($item['plink'])) {
1268 $guid = self::guidFromUri($item['plink'], $prefix_host);
1269 } elseif (!empty($item['uri'])) {
1270 $guid = self::guidFromUri($item['uri'], $prefix_host);
1272 $guid = System::createUUID(hash('crc32', $prefix_host));
1278 private static function contactId($item)
1280 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1281 return $item['contact-id'];
1282 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1283 return $item['contact-id'];
1284 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1285 return $item['author-id'];
1286 } elseif (!empty($item['contact-id'])) {
1287 return $item['contact-id'];
1289 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1290 if (!empty($contact_id)) {
1294 return $item['author-id'];
1297 // This function will finally cover most of the preparation functionality in mod/item.php
1298 public static function prepare(&$item)
1301 * @TODO: Unused code triggering inspection errors
1303 $data = BBCode::getAttachmentData($item['body']);
1304 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1305 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1306 $posttype = Item::PT_PAGE;
1307 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1313 * Write an item array into a spool file to be inserted later.
1314 * This command is called whenever there are issues storing an item.
1316 * @param array $item The item fields that are to be inserted
1317 * @throws \Exception
1319 private static function spool($orig_item)
1321 // Now we store the data in the spool directory
1322 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1323 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1325 $spoolpath = get_spoolpath();
1326 if ($spoolpath != "") {
1327 $spool = $spoolpath . '/' . $file;
1329 file_put_contents($spool, json_encode($orig_item));
1330 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1334 private static function isDuplicate($item)
1336 // Checking if there is already an item with the same guid
1337 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1338 if (self::exists($condition)) {
1339 Logger::notice('Found already existing item', [
1340 'guid' => $item['guid'],
1341 'uid' => $item['uid'],
1342 'network' => $item['network']
1347 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1348 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1349 if (self::exists($condition)) {
1350 Logger::notice('duplicated item with the same uri found.', $item);
1354 // On Friendica and Diaspora the GUID is unique
1355 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1356 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1357 if (self::exists($condition)) {
1358 Logger::notice('duplicated item with the same guid found.', $item);
1361 } elseif ($item['network'] == Protocol::OSTATUS) {
1362 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1363 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1364 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1365 if (self::exists($condition)) {
1366 Logger::notice('duplicated item with the same body found.', $item);
1372 * Check for already added items.
1373 * There is a timing issue here that sometimes creates double postings.
1374 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1376 if (($item["uid"] == 0) && self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1377 Logger::notice('Global item already stored.', ['uri' => $item['uri'], 'network' => $item['network']]);
1384 private static function validItem($item)
1386 // When there is no content then we don't post it
1387 if ($item['body'].$item['title'] == '') {
1388 Logger::notice('No body, no title.');
1392 // check for create date and expire time
1393 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1395 $user = DBA::selectFirst('user', ['expire'], ['uid' => $item['uid']]);
1396 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1397 $expire_interval = $user['expire'];
1400 if (($expire_interval > 0) && !empty($item['created'])) {
1401 $expire_date = time() - ($expire_interval * 86400);
1402 $created_date = strtotime($item['created']);
1403 if ($created_date < $expire_date) {
1404 Logger::notice('Item created before expiration interval.', [
1405 'created' => date('c', $created_date),
1406 'expired' => date('c', $expire_date),
1413 if (Contact::isBlocked($item['author-id'])) {
1414 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1418 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1419 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1423 if (!empty($item['uid']) && Contact::isBlockedByUser($item['author-id'], $item['uid'])) {
1424 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1428 if (Contact::isBlocked($item['owner-id'])) {
1429 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1433 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1434 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1438 if (!empty($item['uid']) && Contact::isBlockedByUser($item['owner-id'], $item['uid'])) {
1439 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1443 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1444 if (!empty($item['uid']) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $item['uid'])) {
1445 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1449 if (!empty($item['uid']) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $item['uid'])) {
1450 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $item['uid'], 'item-uri' => $item['uri']]);
1454 if ($item['verb'] == Activity::FOLLOW) {
1455 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($item['uid']))) {
1456 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1457 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1461 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1462 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1463 if (self::exists($condition)) {
1464 // It happens that we receive multiple follow requests by the same author - we only store one.
1465 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1473 private static function getDuplicateID($item)
1475 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1476 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1477 trim($item['uri']), $item['uid'],
1478 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1479 $existing = self::selectFirst(['id', 'network'], $condition);
1480 if (DBA::isResult($existing)) {
1481 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1482 if ($item['uid'] != 0) {
1483 Logger::notice('Item already existed for user', [
1484 'uri' => $item['uri'],
1485 'uid' => $item['uid'],
1486 'network' => $item['network'],
1487 'existing_id' => $existing["id"],
1488 'existing_network' => $existing["network"]
1492 return $existing["id"];
1498 private static function getParentData($item)
1500 // find the parent and snarf the item id and ACLs
1501 // and anything else we need to inherit
1503 $fields = ['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['parent-uri'], 'uid' => $item['uid']];
1507 $params = ['order' => ['id' => false]];
1508 $parent = self::selectFirst($fields, $condition, $params);
1510 if (!DBA::isResult($parent)) {
1511 Logger::info('item parent was not found - ignoring item', ['parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]);
1514 // is the new message multi-level threaded?
1515 // even though we don't support it now, preserve the info
1516 // and re-attach to the conversation parent.
1517 if ($parent['uri'] != $parent['parent-uri']) {
1518 $item['parent-uri'] = $parent['parent-uri'];
1520 $condition = ['uri' => $item['parent-uri'],
1521 'parent-uri' => $item['parent-uri'],
1522 'uid' => $item['uid']];
1523 $params = ['order' => ['id' => false]];
1524 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1526 if (DBA::isResult($toplevel_parent)) {
1527 $parent = $toplevel_parent;
1531 $item["parent"] = $parent['id'];
1532 $item["deleted"] = $parent['deleted'];
1533 $item["allow_cid"] = $parent['allow_cid'];
1534 $item['allow_gid'] = $parent['allow_gid'];
1535 $item['deny_cid'] = $parent['deny_cid'];
1536 $item['deny_gid'] = $parent['deny_gid'];
1537 $item['parent_origin'] = $parent['origin'];
1539 // Don't federate received participation messages
1540 if ($item['verb'] != Activity::FOLLOW) {
1541 $item['wall'] = $parent['wall'];
1543 $item['wall'] = false;
1547 * If the parent is private, force privacy for the entire conversation
1548 * This differs from the above settings as it subtly allows comments from
1549 * email correspondents to be private even if the overall thread is not.
1551 if ($parent['private']) {
1552 $item['private'] = $parent['private'];
1556 * Edge case. We host a public forum that was originally posted to privately.
1557 * The original author commented, but as this is a comment, the permissions
1558 * weren't fixed up so it will still show the comment as private unless we fix it here.
1560 if ((intval($parent['forum_mode']) == 1) && ($parent['private'] != self::PUBLIC)) {
1561 $item['private'] = self::PUBLIC;
1564 // If its a post that originated here then tag the thread as "mention"
1565 if ($item['origin'] && $item['uid']) {
1566 DBA::update('thread', ['mention' => true], ['iid' => $item["parent"]]);
1567 Logger::info('tagged thread as mention', ['parent' => $item["parent"], 'uid' => $item['uid']]);
1570 // Update the contact relations
1571 if ($item['author-id'] != $parent['author-id']) {
1572 DBA::update('contact-relation', ['last-interaction' => $item['created']], ['cid' => $parent['author-id'], 'relation-cid' => $item['author-id']], true);
1579 private static function getGravity($item)
1581 $activity = DI::activity();
1583 if (isset($item['gravity'])) {
1584 return intval($item['gravity']);
1585 } elseif ($item['parent-uri'] === $item['uri']) {
1586 return GRAVITY_PARENT;
1587 } elseif ($activity->match($item['verb'], Activity::POST)) {
1588 return GRAVITY_COMMENT;
1589 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1590 return GRAVITY_ACTIVITY;
1592 Logger::info('Unknown gravity for verb', ['verb' => $item['verb']]);
1593 return GRAVITY_UNKNOWN; // Should not happen
1596 public static function insert($item, $notify = false, $dontcache = false)
1600 $priority = PRIORITY_HIGH;
1602 // If it is a posting where users should get notifications, then define it as wall posting
1605 $item['origin'] = 1;
1606 $item['network'] = Protocol::DFRN;
1607 $item['protocol'] = Conversation::PARCEL_DFRN;
1609 if (is_int($notify)) {
1610 $priority = $notify;
1613 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1616 $uid = intval($item['uid']);
1618 $item['guid'] = self::guid($item, $notify);
1619 $item['uri'] = substr(Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid']))), 0, 255);
1622 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1624 // Store conversation data
1625 $item = Conversation::insert($item);
1627 if (!empty($item['thr-parent'])) {
1628 $item['parent-uri'] = $item['thr-parent'];
1632 * Do we already have this item?
1633 * We have to check several networks since Friendica posts could be repeated
1634 * via OStatus (maybe Diasporsa as well)
1636 $duplicate = self::getDuplicateID($item);
1641 // Additional duplicate checks
1642 /// @todo Check why the first duplication check returns the item number and the second a 0
1643 if (self::isDuplicate($item)) {
1647 $item['wall'] = intval($item['wall'] ?? 0);
1648 $item['extid'] = trim($item['extid'] ?? '');
1649 $item['author-name'] = trim($item['author-name'] ?? '');
1650 $item['author-link'] = trim($item['author-link'] ?? '');
1651 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1652 $item['owner-name'] = trim($item['owner-name'] ?? '');
1653 $item['owner-link'] = trim($item['owner-link'] ?? '');
1654 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1655 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1656 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1657 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1658 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1659 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1660 $item['title'] = substr(trim($item['title'] ?? ''), 0, 255);
1661 $item['location'] = trim($item['location'] ?? '');
1662 $item['coord'] = trim($item['coord'] ?? '');
1663 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1664 $item['deleted'] = 0;
1665 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1666 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1667 $item['verb'] = trim($item['verb'] ?? '');
1668 $item['object-type'] = trim($item['object-type'] ?? '');
1669 $item['object'] = trim($item['object'] ?? '');
1670 $item['target-type'] = trim($item['target-type'] ?? '');
1671 $item['target'] = trim($item['target'] ?? '');
1672 $item['plink'] = substr(trim($item['plink'] ?? ''), 0, 255);
1673 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1674 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1675 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1676 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1677 $item['private'] = intval($item['private'] ?? self::PUBLIC);
1678 $item['body'] = trim($item['body'] ?? '');
1679 $item['attach'] = trim($item['attach'] ?? '');
1680 $item['app'] = trim($item['app'] ?? '');
1681 $item['origin'] = intval($item['origin'] ?? 0);
1682 $item['postopts'] = trim($item['postopts'] ?? '');
1683 $item['resource-id'] = trim($item['resource-id'] ?? '');
1684 $item['event-id'] = intval($item['event-id'] ?? 0);
1685 $item['inform'] = trim($item['inform'] ?? '');
1686 $item['file'] = trim($item['file'] ?? '');
1688 self::addLanguageToItemArray($item);
1690 // Items cannot be stored before they happen ...
1691 if ($item['created'] > DateTimeFormat::utcNow()) {
1692 $item['created'] = DateTimeFormat::utcNow();
1695 // We haven't invented time travel by now.
1696 if ($item['edited'] > DateTimeFormat::utcNow()) {
1697 $item['edited'] = DateTimeFormat::utcNow();
1700 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1702 $item['gravity'] = self::getGravity($item);
1704 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1705 'photo' => $item['author-avatar'], 'network' => $item['network']];
1707 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1709 unset($item['author-link']);
1710 unset($item['author-name']);
1711 unset($item['author-avatar']);
1712 unset($item['author-network']);
1714 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1715 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1717 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1719 unset($item['owner-link']);
1720 unset($item['owner-name']);
1721 unset($item['owner-avatar']);
1723 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1724 $item["contact-id"] = self::contactId($item);
1726 if ($item['network'] == Protocol::PHANTOM) {
1727 $item['network'] = Protocol::DFRN;
1728 Logger::notice('Missing network, setting to {network}.', [
1729 'uri' => $item["uri"],
1730 'network' => $item['network'],
1731 'callstack' => System::callstack()
1735 if (!self::validItem($item)) {
1739 // We don't store the causer, we only have it here for the checks in the function above
1740 unset($item['causer-id']);
1741 unset($item['causer-link']);
1743 $item['thr-parent'] = $item['parent-uri'];
1745 if ($item['parent-uri'] != $item['uri']) {
1746 $item = self::getParentData($item);
1751 $parent_id = $item['parent'];
1752 unset($item['parent']);
1753 $parent_origin = $item['parent_origin'];
1754 unset($item['parent_origin']);
1757 $parent_origin = $item['origin'];
1760 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1761 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1763 // Is this item available in the global items (with uid=0)?
1764 if ($item["uid"] == 0) {
1765 $item["global"] = true;
1767 // Set the global flag on all items if this was a global item entry
1768 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1770 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1774 if (!empty($item["allow_cid"] . $item["allow_gid"] . $item["deny_cid"] . $item["deny_gid"])) {
1775 $item["private"] = self::PRIVATE;
1779 $item['edit'] = false;
1780 $item['parent'] = $parent_id;
1781 Hook::callAll('post_local', $item);
1782 unset($item['edit']);
1783 unset($item['parent']);
1785 Hook::callAll('post_remote', $item);
1788 if (!empty($item['cancel'])) {
1789 Logger::log('post cancelled by addon.');
1793 if (empty($item['vid']) && !empty($item['verb'])) {
1794 $item['vid'] = Verb::getID($item['verb']);
1797 // Creates or assigns the permission set
1798 $item['psid'] = PermissionSet::getIdFromACL(
1806 unset($item['allow_cid']);
1807 unset($item['allow_gid']);
1808 unset($item['deny_cid']);
1809 unset($item['deny_gid']);
1811 // This array field is used to trigger some automatic reactions
1812 // It is mainly used in the "post_local" hook.
1813 unset($item['api_source']);
1815 // Filling item related side tables
1816 if (!empty($item['dsprsig'])) {
1817 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1820 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1821 * We can check for this condition when we decode and encode the stuff again.
1823 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1824 $dsprsig->signature = base64_decode($dsprsig->signature);
1825 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1828 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1829 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1833 unset($item['dsprsig']);
1835 if (!empty($item['diaspora_signed_text'])) {
1836 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $item['diaspora_signed_text']], true);
1839 unset($item['diaspora_signed_text']);
1841 if (array_key_exists('file', $item) && !empty($item['file'])) {
1842 Category::storeTextByURIId($item['uri-id'], $item['uid'], $item['file']);
1845 unset($item['file']);
1847 $delivery_data = Post\DeliveryData::extractFields($item);
1848 unset($item['postopts']);
1849 unset($item['inform']);
1851 // Check for hashtags in the body and repair or add hashtag links
1852 self::setHashtags($item);
1854 // Store tags from the body if this hadn't been handled previously in the protocol classes
1855 if (!Tag::existsForPost($item['uri-id'])) {
1856 Tag::storeFromBody($item['uri-id'], $item['body']);
1859 // Fill the cache field
1860 self::putInCache($item);
1862 if (stristr($item['verb'], Activity::POKE)) {
1863 $notify_type = Delivery::POKE;
1865 $notify_type = Delivery::POST;
1868 // We are doing this outside of the transaction to avoid timing problems
1869 if (!self::insertActivity($item)) {
1870 self::insertContent($item);
1873 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1876 $ret = DBA::insert('item', $item);
1878 // When the item was successfully stored we fetch the ID of the item.
1879 if (DBA::isResult($ret)) {
1880 $current_post = DBA::lastInsertId();
1882 // This can happen - for example - if there are locking timeouts.
1885 // Store the data into a spool file so that we can try again later.
1886 self::spool($orig_item);
1890 if ($current_post == 0) {
1891 // This is one of these error messages that never should occur.
1892 Logger::log("couldn't find created item - we better quit now.");
1897 // How much entries have we created?
1898 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1899 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1902 // There are duplicates. We delete our just created entry.
1903 Logger::info('Delete duplicated item', ['id' => $current_post, 'uri' => $item['uri'], 'uid' => $item['uid'], 'guid' => $item['guid']]);
1905 // Yes, we could do a rollback here - but we possibly are still having users with MyISAM.
1906 DBA::delete('item', ['id' => $current_post]);
1909 } elseif ($entries == 0) {
1910 // This really should never happen since we quit earlier if there were problems.
1911 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1916 Logger::log('created item '.$current_post);
1918 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1919 $parent_id = $current_post;
1923 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1925 $item['id'] = $current_post;
1926 $item['parent'] = $parent_id;
1928 // update the commented timestamp on the parent
1929 // Only update "commented" if it is really a comment
1930 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1931 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1933 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1936 if ($item['parent-uri'] === $item['uri']) {
1937 self::addThread($current_post);
1939 self::updateThread($parent_id);
1942 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1943 Post\DeliveryData::insert($item['uri-id'], $delivery_data);
1948 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1949 if (self::tagDeliver($item['uid'], $current_post)) {
1950 // Get the user information for the logging
1951 $user = User::getById($uid);
1953 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1958 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1959 if (DBA::isResult($posted_item)) {
1961 Hook::callAll('post_local_end', $posted_item);
1963 Hook::callAll('post_remote_end', $posted_item);
1966 Logger::log('new item not found in DB, id ' . $current_post);
1970 if ($item['parent-uri'] === $item['uri']) {
1971 self::addShadow($current_post);
1973 self::addShadowPost($current_post);
1976 self::updateContact($item);
1978 UserItem::setNotification($current_post);
1980 check_user_notification($current_post);
1982 $transmit = $notify || ($item['visible'] && ($parent_origin || $item['origin']));
1985 $transmit_item = Item::selectFirst(['verb', 'origin'], ['id' => $item['id']]);
1986 // Don't relay participation messages
1987 if (($transmit_item['verb'] == Activity::FOLLOW) &&
1988 (!$transmit_item['origin'] || ($item['author-id'] != Contact::getPublicIdByUserId($uid)))) {
1989 Logger::info('Participation messages will not be relayed', ['item' => $item['id'], 'uri' => $item['uri'], 'verb' => $transmit_item['verb']]);
1995 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1998 return $current_post;
2002 * Insert a new item content entry
2004 * @param array $item The item fields that are to be inserted
2006 * @throws \Exception
2008 private static function insertActivity(&$item)
2010 $activity_index = self::activityToIndex($item['verb']);
2012 if ($activity_index < 0) {
2016 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2018 // We just remove everything that is content
2019 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2020 unset($item[$field]);
2023 // To avoid timing problems, we are using locks.
2024 $locked = DI::lock()->acquire('item_insert_activity');
2026 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2029 // Do we already have this content?
2030 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2031 if (DBA::isResult($item_activity)) {
2032 $item['iaid'] = $item_activity['id'];
2033 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2034 } elseif (DBA::insert('item-activity', $fields)) {
2035 $item['iaid'] = DBA::lastInsertId();
2036 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2038 // This shouldn't happen.
2039 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2040 DI::lock()->release('item_insert_activity');
2044 DI::lock()->release('item_insert_activity');
2050 * Insert a new item content entry
2052 * @param array $item The item fields that are to be inserted
2053 * @throws \Exception
2055 private static function insertContent(&$item)
2057 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2059 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2060 if (isset($item[$field])) {
2061 $fields[$field] = $item[$field];
2062 unset($item[$field]);
2066 // To avoid timing problems, we are using locks.
2067 $locked = DI::lock()->acquire('item_insert_content');
2069 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2072 // Do we already have this content?
2073 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2074 if (DBA::isResult($item_content)) {
2075 $item['icid'] = $item_content['id'];
2076 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2077 } elseif (DBA::insert('item-content', $fields)) {
2078 $item['icid'] = DBA::lastInsertId();
2079 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2081 // This shouldn't happen.
2082 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2085 DI::lock()->release('item_insert_content');
2090 * Update existing item content entries
2092 * @param array $item The item fields that are to be changed
2093 * @param array $condition The condition for finding the item content entries
2095 * @throws \Exception
2097 private static function updateActivity($item, $condition)
2099 if (empty($item['verb'])) {
2102 $activity_index = self::activityToIndex($item['verb']);
2104 if ($activity_index < 0) {
2108 $fields = ['activity' => $activity_index];
2110 Logger::log('Update activity for ' . json_encode($condition));
2112 DBA::update('item-activity', $fields, $condition, true);
2118 * Update existing item content entries
2120 * @param array $item The item fields that are to be changed
2121 * @param array $condition The condition for finding the item content entries
2122 * @throws \Exception
2124 private static function updateContent($item, $condition)
2126 // We have to select only the fields from the "item-content" table
2128 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2129 if (isset($item[$field])) {
2130 $fields[$field] = $item[$field];
2134 if (empty($fields)) {
2135 // when there are no fields at all, just use the condition
2136 // This is to ensure that we always store content.
2137 $fields = $condition;
2140 Logger::log('Update content for ' . json_encode($condition));
2142 DBA::update('item-content', $fields, $condition, true);
2146 * Distributes public items to the receivers
2148 * @param integer $itemid Item ID that should be added
2149 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2150 * @throws \Exception
2152 public static function distribute($itemid, $signed_text = '')
2154 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2155 $parent = self::selectFirst(['owner-id'], $condition);
2156 if (!DBA::isResult($parent)) {
2160 // Only distribute public items from native networks
2161 $condition = ['id' => $itemid, 'uid' => 0,
2162 'network' => array_merge(Protocol::FEDERATED ,['']),
2163 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => [self::PUBLIC, self::UNLISTED]];
2164 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2165 if (!DBA::isResult($item)) {
2169 $origin = $item['origin'];
2172 unset($item['parent']);
2173 unset($item['mention']);
2174 unset($item['wall']);
2175 unset($item['origin']);
2176 unset($item['starred']);
2180 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2181 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2182 if (!DBA::isResult($owner)) {
2186 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2187 $contacts = DBA::select('contact', ['uid'], $condition);
2188 while ($contact = DBA::fetch($contacts)) {
2189 if ($contact['uid'] == 0) {
2193 $users[$contact['uid']] = $contact['uid'];
2195 DBA::close($contacts);
2197 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2198 $contacts = DBA::select('contact', ['uid'], $condition);
2199 while ($contact = DBA::fetch($contacts)) {
2200 if ($contact['uid'] == 0) {
2204 $users[$contact['uid']] = $contact['uid'];
2206 DBA::close($contacts);
2208 if (!empty($owner['alias'])) {
2209 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2210 $contacts = DBA::select('contact', ['uid'], $condition);
2211 while ($contact = DBA::fetch($contacts)) {
2212 if ($contact['uid'] == 0) {
2216 $users[$contact['uid']] = $contact['uid'];
2218 DBA::close($contacts);
2223 if ($item['uri'] != $item['parent-uri']) {
2224 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2225 while ($parent = self::fetch($parents)) {
2226 $users[$parent['uid']] = $parent['uid'];
2227 if ($parent['origin'] && !$origin) {
2228 $origin_uid = $parent['uid'];
2233 foreach ($users as $uid) {
2234 if ($origin_uid == $uid) {
2235 $item['diaspora_signed_text'] = $signed_text;
2237 self::storeForUser($itemid, $item, $uid);
2242 * Store public items for the receivers
2244 * @param integer $itemid Item ID that should be added
2245 * @param array $item The item entry that will be stored
2246 * @param integer $uid The user that will receive the item entry
2247 * @throws \Exception
2249 private static function storeForUser($itemid, $item, $uid)
2251 $item['uid'] = $uid;
2252 $item['origin'] = 0;
2254 if ($item['uri'] == $item['parent-uri']) {
2255 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2257 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2260 if (empty($item['contact-id'])) {
2261 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2262 if (!DBA::isResult($self)) {
2265 $item['contact-id'] = $self['id'];
2268 /// @todo Handling of "event-id"
2271 if ($item['uri'] == $item['parent-uri']) {
2272 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2273 if (DBA::isResult($contact)) {
2274 $notify = self::isRemoteSelf($contact, $item);
2278 $distributed = self::insert($item, $notify, true);
2280 if (!$distributed) {
2281 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2283 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2288 * Add a shadow entry for a given item id that is a thread starter
2290 * We store every public item entry additionally with the user id "0".
2291 * This is used for the community page and for the search.
2292 * It is planned that in the future we will store public item entries only once.
2294 * @param integer $itemid Item ID that should be added
2295 * @throws \Exception
2297 public static function addShadow($itemid)
2299 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2300 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2301 $item = self::selectFirst($fields, $condition);
2303 if (!DBA::isResult($item)) {
2307 // is it already a copy?
2308 if (($itemid == 0) || ($item['uid'] == 0)) {
2312 // Is it a visible public post?
2313 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || ($item["private"] == Item::PRIVATE)) {
2317 // is it an entry from a connector? Only add an entry for natively connected networks
2318 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2322 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2326 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2328 if (DBA::isResult($item)) {
2329 // Preparing public shadow (removing user specific data)
2332 unset($item['parent']);
2333 unset($item['wall']);
2334 unset($item['mention']);
2335 unset($item['origin']);
2336 unset($item['starred']);
2337 unset($item['postopts']);
2338 unset($item['inform']);
2339 if ($item['uri'] == $item['parent-uri']) {
2340 $item['contact-id'] = $item['owner-id'];
2342 $item['contact-id'] = $item['author-id'];
2345 $public_shadow = self::insert($item, false, true);
2347 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2352 * Add a shadow entry for a given item id that is a comment
2354 * This function does the same like the function above - but for comments
2356 * @param integer $itemid Item ID that should be added
2357 * @throws \Exception
2359 public static function addShadowPost($itemid)
2361 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2362 if (!DBA::isResult($item)) {
2366 // Is it a toplevel post?
2367 if ($item['id'] == $item['parent']) {
2368 self::addShadow($itemid);
2372 // Is this a shadow entry?
2373 if ($item['uid'] == 0) {
2377 // Is there a shadow parent?
2378 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2382 // Is there already a shadow entry?
2383 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2387 // Save "origin" and "parent" state
2388 $origin = $item['origin'];
2389 $parent = $item['parent'];
2391 // Preparing public shadow (removing user specific data)
2394 unset($item['parent']);
2395 unset($item['wall']);
2396 unset($item['mention']);
2397 unset($item['origin']);
2398 unset($item['starred']);
2399 unset($item['postopts']);
2400 unset($item['inform']);
2401 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2403 $public_shadow = self::insert($item, false, true);
2405 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2407 // If this was a comment to a Diaspora post we don't get our comment back.
2408 // This means that we have to distribute the comment by ourselves.
2409 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2410 self::distribute($public_shadow);
2415 * Adds a language specification in a "language" element of given $arr.
2416 * Expects "body" element to exist in $arr.
2419 * @throws \Text_LanguageDetect_Exception
2421 private static function addLanguageToItemArray(&$item)
2423 $naked_body = BBCode::toPlaintext($item['body'], false);
2425 $ld = new Text_LanguageDetect();
2426 $ld->setNameMode(2);
2427 $languages = $ld->detect($naked_body, 3);
2429 if (is_array($languages)) {
2430 $item['language'] = json_encode($languages);
2435 * Creates an unique guid out of a given uri
2437 * @param string $uri uri of an item entry
2438 * @param string $host hostname for the GUID prefix
2439 * @return string unique guid
2441 public static function guidFromUri($uri, $host)
2443 // Our regular guid routine is using this kind of prefix as well
2444 // We have to avoid that different routines could accidentally create the same value
2445 $parsed = parse_url($uri);
2447 // We use a hash of the hostname as prefix for the guid
2448 $guid_prefix = hash("crc32", $host);
2450 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2451 unset($parsed["scheme"]);
2453 // Glue it together to be able to make a hash from it
2454 $host_id = implode("/", $parsed);
2456 // We could use any hash algorithm since it isn't a security issue
2457 $host_hash = hash("ripemd128", $host_id);
2459 return $guid_prefix.$host_hash;
2463 * generate an unique URI
2465 * @param integer $uid User id
2466 * @param string $guid An existing GUID (Otherwise it will be generated)
2469 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2471 public static function newURI($uid, $guid = "")
2474 $guid = System::createUUID();
2477 return DI::baseUrl()->get() . '/objects/' . $guid;
2481 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2483 * This can be used to filter for inactive contacts.
2484 * Only do this for public postings to avoid privacy problems, since poco data is public.
2485 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2487 * @param array $arr Contains the just posted item record
2488 * @throws \Exception
2490 private static function updateContact($arr)
2492 // Unarchive the author
2493 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2494 if (DBA::isResult($contact)) {
2495 Contact::unmarkForArchival($contact);
2498 // Unarchive the contact if it's not our own contact
2499 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2500 if (DBA::isResult($contact)) {
2501 Contact::unmarkForArchival($contact);
2504 /// @todo On private posts we could obfuscate the date
2505 $update = ($arr['private'] != self::PRIVATE);
2507 // Is it a forum? Then we don't care about the rules from above
2508 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2509 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2515 // The "self" contact id is used (for example in the connectors) when the contact is unknown
2516 // So we have to ensure to only update the last item when it had been our own post,
2517 // or it had been done by a "regular" contact.
2518 if (!empty($arr['wall'])) {
2519 $condition = ['id' => $arr['contact-id']];
2521 $condition = ['id' => $arr['contact-id'], 'self' => false];
2523 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], $condition);
2525 // Now do the same for the system wide contacts with uid=0
2526 if ($arr['private'] != self::PRIVATE) {
2527 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2528 ['id' => $arr['owner-id']]);
2530 if ($arr['owner-id'] != $arr['author-id']) {
2531 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2532 ['id' => $arr['author-id']]);
2537 public static function setHashtags(&$item)
2539 $tags = BBCode::getTags($item["body"]);
2542 if (!count($tags)) {
2546 // What happens in [code], stays in [code]!
2547 // escape the # and the [
2548 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2549 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2551 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2553 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2554 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2557 // This sorting is important when there are hashtags that are part of other hashtags
2558 // Otherwise there could be problems with hashtags like #test and #test2
2559 // Because of this we are sorting from the longest to the shortest tag.
2560 usort($tags, function($a, $b) {
2561 return strlen($b) <=> strlen($a);
2564 $URLSearchString = "^\[\]";
2566 // All hashtags should point to the home server if "local_tags" is activated
2567 if (DI::config()->get('system', 'local_tags')) {
2568 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2569 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2572 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2573 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2575 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2578 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2580 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2583 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2585 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2588 // Repair recursive urls
2589 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2590 "#$2", $item["body"]);
2592 foreach ($tags as $tag) {
2593 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2597 $basetag = str_replace('_',' ',substr($tag,1));
2598 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2600 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2603 // Convert back the masked hashtags
2604 $item["body"] = str_replace("#", "#", $item["body"]);
2606 // Remember! What happens in [code], stays in [code]
2607 // roleback the # and [
2608 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2610 // we truly unESCape all sharp and leftsquarebracket
2611 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2612 $replace = ['#', '['];
2613 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2618 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2621 * @param int $item_id
2622 * @return boolean true if item was deleted, else false
2623 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2624 * @throws \ImagickException
2626 private static function tagDeliver($uid, $item_id)
2630 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2631 if (!DBA::isResult($user)) {
2635 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2636 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2638 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2639 if (!DBA::isResult($item)) {
2643 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2646 * Diaspora uses their own hardwired link URL in @-tags
2647 * instead of the one we supply with webfinger
2649 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2651 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2653 foreach ($matches as $mtch) {
2654 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2656 Logger::log('mention found: ' . $mtch[2]);
2662 if (($community_page || $prvgroup) &&
2663 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2664 Logger::info('Delete private group/communiy top-level item without mention', ['id' => $item_id, 'guid'=> $item['guid']]);
2665 DBA::delete('item', ['id' => $item_id]);
2671 $arr = ['item' => $item, 'user' => $user];
2673 Hook::callAll('tagged', $arr);
2675 if (!$community_page && !$prvgroup) {
2680 * tgroup delivery - setup a second delivery chain
2681 * prevent delivery looping - only proceed
2682 * if the message originated elsewhere and is a top-level post
2684 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2688 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2689 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2690 if (!DBA::isResult($self)) {
2694 $owner_id = Contact::getIdForURL($self['url']);
2696 // also reset all the privacy bits to the forum default permissions
2698 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? self::PRIVATE : self::PUBLIC;
2700 $psid = PermissionSet::getIdFromACL(
2708 $forum_mode = ($prvgroup ? 2 : 1);
2710 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2711 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2712 self::update($fields, ['id' => $item_id]);
2714 self::updateThread($item_id);
2716 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2721 public static function isRemoteSelf($contact, &$datarray)
2723 if (!$contact['remote_self']) {
2727 // Prevent the forwarding of posts that are forwarded
2728 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2729 Logger::log('Already forwarded', Logger::DEBUG);
2733 // Prevent to forward already forwarded posts
2734 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2735 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2739 // Only forward posts
2740 if ($datarray["verb"] != Activity::POST) {
2741 Logger::log('No post', Logger::DEBUG);
2745 if (($contact['network'] != Protocol::FEED) && ($datarray['private'] == self::PRIVATE)) {
2746 Logger::log('Not public', Logger::DEBUG);
2750 $datarray2 = $datarray;
2751 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2752 if ($contact['remote_self'] == 2) {
2753 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2754 ['uid' => $contact['uid'], 'self' => true]);
2755 if (DBA::isResult($self)) {
2756 $datarray['contact-id'] = $self["id"];
2758 $datarray['owner-name'] = $self["name"];
2759 $datarray['owner-link'] = $self["url"];
2760 $datarray['owner-avatar'] = $self["thumb"];
2762 $datarray['author-name'] = $datarray['owner-name'];
2763 $datarray['author-link'] = $datarray['owner-link'];
2764 $datarray['author-avatar'] = $datarray['owner-avatar'];
2766 unset($datarray['edited']);
2768 unset($datarray['network']);
2769 unset($datarray['owner-id']);
2770 unset($datarray['author-id']);
2773 if ($contact['network'] != Protocol::FEED) {
2774 $datarray["guid"] = System::createUUID();
2775 unset($datarray["plink"]);
2776 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2777 $datarray["parent-uri"] = $datarray["uri"];
2778 $datarray["thr-parent"] = $datarray["uri"];
2779 $datarray["extid"] = Protocol::DFRN;
2780 $urlpart = parse_url($datarray2['author-link']);
2781 $datarray["app"] = $urlpart["host"];
2783 $datarray['private'] = self::PUBLIC;
2787 if ($contact['network'] != Protocol::FEED) {
2788 // Store the original post
2789 $result = self::insert($datarray2);
2790 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2792 $datarray["app"] = "Feed";
2796 // Trigger automatic reactions for addons
2797 $datarray['api_source'] = true;
2799 // We have to tell the hooks who we are - this really should be improved
2800 $_SESSION["authenticated"] = true;
2801 $_SESSION["uid"] = $contact['uid'];
2810 * @param array $item
2813 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2814 * @throws \ImagickException
2816 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2818 if (DI::config()->get('system', 'disable_embedded')) {
2822 Logger::log('check for photos', Logger::DEBUG);
2823 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2828 $img_start = strpos($orig_body, '[img');
2829 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2830 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2832 while (($img_st_close !== false) && ($img_len !== false)) {
2833 $img_st_close++; // make it point to AFTER the closing bracket
2834 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2836 Logger::log('found photo ' . $image, Logger::DEBUG);
2838 if (stristr($image, $site . '/photo/')) {
2839 // Only embed locally hosted photos
2841 $i = basename($image);
2842 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2843 $x = strpos($i, '-');
2846 $res = substr($i, $x + 1);
2847 $i = substr($i, 0, $x);
2848 $photo = Photo::getPhotoForUser($uid, $i, $res);
2849 if (DBA::isResult($photo)) {
2851 * Check to see if we should replace this photo link with an embedded image
2852 * 1. No need to do so if the photo is public
2853 * 2. If there's a contact-id provided, see if they're in the access list
2854 * for the photo. If so, embed it.
2855 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2856 * permissions, regardless of order but first check to see if they're an exact
2857 * match to save some processing overhead.
2859 if (self::hasPermissions($photo)) {
2861 $recips = self::enumeratePermissions($photo);
2862 if (in_array($cid, $recips)) {
2866 if (self::samePermissions($uid, $item, $photo)) {
2872 $photo_img = Photo::getImageForPhoto($photo);
2873 // If a custom width and height were specified, apply before embedding
2874 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2875 Logger::log('scaling photo', Logger::DEBUG);
2877 $width = intval($match[1]);
2878 $height = intval($match[2]);
2880 $photo_img->scaleDown(max($width, $height));
2883 $data = $photo_img->asString();
2884 $type = $photo_img->getType();
2886 Logger::log('replacing photo', Logger::DEBUG);
2887 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2888 Logger::log('replaced: ' . $image, Logger::DATA);
2894 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2895 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2896 if ($orig_body === false) {
2900 $img_start = strpos($orig_body, '[img');
2901 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2902 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2905 $new_body = $new_body . $orig_body;
2910 private static function hasPermissions($obj)
2912 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2913 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2916 private static function samePermissions($uid, $obj1, $obj2)
2918 // first part is easy. Check that these are exactly the same.
2919 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2920 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2921 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2922 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2926 // This is harder. Parse all the permissions and compare the resulting set.
2927 $recipients1 = self::enumeratePermissions($obj1);
2928 $recipients2 = self::enumeratePermissions($obj2);
2932 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2933 return ($recipients1 == $recipients2);
2937 * Returns an array of contact-ids that are allowed to see this object
2939 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2940 * @param bool $check_dead Prunes unavailable contacts from the result
2942 * @throws \Exception
2944 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2946 $aclFormater = DI::aclFormatter();
2948 $allow_people = $aclFormater->expand($obj['allow_cid']);
2949 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2950 $deny_people = $aclFormater->expand($obj['deny_cid']);
2951 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2952 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2953 $deny = array_unique(array_merge($deny_people, $deny_groups));
2954 $recipients = array_diff($recipients, $deny);
2958 public static function expire($uid, $days, $network = "", $force = false)
2960 if (!$uid || ($days < 1)) {
2964 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2965 $uid, GRAVITY_PARENT];
2968 * $expire_network_only = save your own wall posts
2969 * and just expire conversations started by others
2971 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
2973 if ($expire_network_only) {
2974 $condition[0] .= " AND NOT `wall`";
2977 if ($network != "") {
2978 $condition[0] .= " AND `network` = ?";
2979 $condition[] = $network;
2982 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2983 $condition[] = $days;
2985 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2987 if (!DBA::isResult($items)) {
2991 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
2993 // Forcing expiring of items - but not notes and marked items
2995 $expire_items = true;
2998 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
2999 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3000 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3004 while ($item = Item::fetch($items)) {
3005 // don't expire filed items
3007 if (strpos($item['file'], '[') !== false) {
3011 // Only expire posts, not photos and photo comments
3013 if (!$expire_photos && strlen($item['resource-id'])) {
3015 } elseif (!$expire_starred && intval($item['starred'])) {
3017 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3019 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3023 self::markForDeletionById($item['id'], PRIORITY_LOW);
3028 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3031 public static function firstPostDate($uid, $wall = false)
3033 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3034 $params = ['order' => ['received' => false]];
3035 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3036 if (DBA::isResult($thread)) {
3037 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3043 * add/remove activity to an item
3045 * Toggle activities as like,dislike,attend of an item
3047 * @param string $item_id
3048 * @param string $verb
3049 * Activity verb. One of
3050 * like, unlike, dislike, undislike, attendyes, unattendyes,
3051 * attendno, unattendno, attendmaybe, unattendmaybe
3053 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3054 * @throws \ImagickException
3055 * @hook 'post_local_end'
3057 * 'post_id' => ID of posted item
3059 public static function performActivity($item_id, $verb)
3061 if (!Session::isAuthenticated()) {
3068 $activity = Activity::LIKE;
3072 $activity = Activity::DISLIKE;
3076 $activity = Activity::ATTEND;
3080 $activity = Activity::ATTENDNO;
3083 case 'unattendmaybe':
3084 $activity = Activity::ATTENDMAYBE;
3088 $activity = Activity::FOLLOW;
3091 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3095 // Enable activity toggling instead of on/off
3096 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3098 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3100 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3101 if (!DBA::isResult($item)) {
3102 Logger::log('like: unknown item ' . $item_id);
3106 $item_uri = $item['uri'];
3108 $uid = $item['uid'];
3109 if (($uid == 0) && local_user()) {
3110 $uid = local_user();
3113 if (!Security::canWriteToUserWall($uid)) {
3114 Logger::log('like: unable to write on wall ' . $uid);
3118 // Retrieves the local post owner
3119 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3120 if (!DBA::isResult($owner_self_contact)) {
3121 Logger::log('like: unknown owner ' . $uid);
3125 // Retrieve the current logged in user's public contact
3126 $author_id = public_contact();
3128 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3129 if (!DBA::isResult($author_contact)) {
3130 Logger::log('like: unknown author ' . $author_id);
3134 // Contact-id is the uid-dependant author contact
3135 if (local_user() == $uid) {
3136 $item_contact_id = $owner_self_contact['id'];
3138 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3139 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3140 if (!DBA::isResult($item_contact)) {
3141 Logger::log('like: unknown item contact ' . $item_contact_id);
3146 // Look for an existing verb row
3147 // event participation are essentially radio toggles. If you make a subsequent choice,
3148 // we need to eradicate your first choice.
3149 if ($event_verb_flag) {
3150 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3152 // Translate to the index based activity index
3154 foreach ($verbs as $verb) {
3155 $activities[] = self::activityToIndex($verb);
3158 $activities = self::activityToIndex($activity);
3161 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3162 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3164 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3166 // If it exists, mark it as deleted
3167 if (DBA::isResult($like_item)) {
3168 self::markForDeletionById($like_item['id']);
3170 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3175 // Verb is "un-something", just trying to delete existing entries
3176 if (strpos($verb, 'un') === 0) {
3180 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3183 'guid' => System::createUUID(),
3184 'uri' => self::newURI($item['uid']),
3185 'uid' => $item['uid'],
3186 'contact-id' => $item_contact_id,
3187 'wall' => $item['wall'],
3189 'network' => Protocol::DFRN,
3190 'gravity' => GRAVITY_ACTIVITY,
3191 'parent' => $item['id'],
3192 'parent-uri' => $item['uri'],
3193 'thr-parent' => $item['uri'],
3194 'owner-id' => $author_id,
3195 'author-id' => $author_id,
3196 'body' => $activity,
3197 'verb' => $activity,
3198 'object-type' => $objtype,
3199 'allow_cid' => $item['allow_cid'],
3200 'allow_gid' => $item['allow_gid'],
3201 'deny_cid' => $item['deny_cid'],
3202 'deny_gid' => $item['deny_gid'],
3207 $signed = Diaspora::createLikeSignature($uid, $new_item);
3208 if (!empty($signed)) {
3209 $new_item['diaspora_signed_text'] = json_encode($signed);
3212 $new_item_id = self::insert($new_item);
3214 // If the parent item isn't visible then set it to visible
3215 if (!$item['visible']) {
3216 self::update(['visible' => true], ['id' => $item['id']]);
3219 $new_item['id'] = $new_item_id;
3221 Hook::callAll('post_local_end', $new_item);
3226 private static function addThread($itemid, $onlyshadow = false)
3228 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3229 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3230 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3231 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3232 $item = self::selectFirst($fields, $condition);
3234 if (!DBA::isResult($item)) {
3238 $item['iid'] = $itemid;
3241 $result = DBA::insert('thread', $item);
3243 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3247 private static function updateThread($itemid, $setmention = false)
3249 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3250 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3251 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3252 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3254 $item = self::selectFirst($fields, $condition);
3255 if (!DBA::isResult($item)) {
3260 $item["mention"] = 1;
3265 foreach ($item as $field => $data) {
3266 if (!in_array($field, ["guid"])) {
3267 $fields[$field] = $data;
3271 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3273 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3276 private static function deleteThread($itemid, $itemuri = "")
3278 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3279 if (!DBA::isResult($item)) {
3280 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3284 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3286 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3288 if ($itemuri != "") {
3289 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3290 if (!self::exists($condition)) {
3291 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3292 Logger::debug('Deleted shadow item', ['id' => $itemid, 'uri' => $itemuri]);
3297 public static function getPermissionsSQLByUserId($owner_id)
3299 $local_user = local_user();
3300 $remote_user = Session::getRemoteContactID($owner_id);
3303 * Construct permissions
3305 * default permissions - anonymous user
3307 $sql = sprintf(" AND `item`.`private` != %d", self::PRIVATE);
3309 // Profile owner - everything is visible
3310 if ($local_user && ($local_user == $owner_id)) {
3312 } elseif ($remote_user) {
3314 * Authenticated visitor. Unless pre-verified,
3315 * check that the contact belongs to this $owner_id
3316 * and load the groups the visitor belongs to.
3317 * If pre-verified, the caller is expected to have already
3318 * done this and passed the groups into this function.
3320 $set = PermissionSet::get($owner_id, $remote_user);
3323 $sql_set = sprintf(" OR (`item`.`private` = %d AND `item`.`wall` AND `item`.`psid` IN (", self::PRIVATE) . implode(',', $set) . "))";
3328 $sql = sprintf(" AND (`item`.`private` != %d", self::PRIVATE) . $sql_set . ")";
3335 * get translated item type
3340 public static function postType($item)
3342 if (!empty($item['event-id'])) {
3343 return DI::l10n()->t('event');
3344 } elseif (!empty($item['resource-id'])) {
3345 return DI::l10n()->t('photo');
3346 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3347 return DI::l10n()->t('activity');
3348 } elseif ($item['id'] != $item['parent']) {
3349 return DI::l10n()->t('comment');
3352 return DI::l10n()->t('post');
3356 * Sets the "rendered-html" field of the provided item
3358 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3360 * @param array $item
3361 * @param bool $update
3363 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3364 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3366 public static function putInCache(&$item, $update = false)
3368 $body = $item["body"];
3370 $rendered_hash = $item['rendered-hash'] ?? '';
3371 $rendered_html = $item['rendered-html'] ?? '';
3373 if ($rendered_hash == ''
3374 || $rendered_html == ""
3375 || $rendered_hash != hash("md5", $item["body"])
3376 || DI::config()->get("system", "ignore_cache")
3378 self::addRedirToImageTags($item);
3380 $item["rendered-html"] = BBCode::convert($item["body"]);
3381 $item["rendered-hash"] = hash("md5", $item["body"]);
3383 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3384 Hook::callAll('put_item_in_cache', $hook_data);
3385 $item['rendered-html'] = $hook_data['rendered-html'];
3386 $item['rendered-hash'] = $hook_data['rendered-hash'];
3389 // Force an update if the generated values differ from the existing ones
3390 if ($rendered_hash != $item["rendered-hash"]) {
3394 // Only compare the HTML when we forcefully ignore the cache
3395 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3399 if ($update && !empty($item["id"])) {
3402 'rendered-html' => $item["rendered-html"],
3403 'rendered-hash' => $item["rendered-hash"]
3405 ['id' => $item["id"]]
3410 $item["body"] = $body;
3414 * Find any non-embedded images in private items and add redir links to them
3416 * @param array &$item The field array of an item row
3418 private static function addRedirToImageTags(array &$item)
3423 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3425 foreach ($matches as $mtch) {
3426 if (strpos($mtch[1], '/redir') !== false) {
3430 if ((local_user() == $item['uid']) && ($item['private'] == self::PRIVATE) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3431 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3432 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3439 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3440 * If attach is true, also add icons for item attachments.
3442 * @param array $item
3443 * @param boolean $attach
3444 * @param boolean $is_preview
3445 * @return string item body html
3446 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3447 * @throws \ImagickException
3448 * @hook prepare_body_init item array before any work
3449 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3450 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3451 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3453 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3456 Hook::callAll('prepare_body_init', $item);
3458 // In order to provide theme developers more possibilities, event items
3459 // are treated differently.
3460 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3461 $ev = Event::getItemHTML($item);
3465 $tags = Tag::populateFromItem($item);
3467 $item['tags'] = $tags['tags'];
3468 $item['hashtags'] = $tags['hashtags'];
3469 $item['mentions'] = $tags['mentions'];
3471 // Compile eventual content filter reasons
3472 $filter_reasons = [];
3473 if (!$is_preview && public_contact() != $item['author-id']) {
3474 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3475 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3480 'filter_reasons' => $filter_reasons
3482 Hook::callAll('prepare_body_content_filter', $hook_data);
3483 $filter_reasons = $hook_data['filter_reasons'];
3487 // Update the cached values if there is no "zrl=..." on the links.
3488 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3490 // Or update it if the current viewer is the intented viewer.
3491 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3495 self::putInCache($item, $update);
3496 $s = $item["rendered-html"];
3501 'preview' => $is_preview,
3502 'filter_reasons' => $filter_reasons
3504 Hook::callAll('prepare_body', $hook_data);
3505 $s = $hook_data['html'];
3509 // Replace the blockquotes with quotes that are used in mails.
3510 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3511 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3518 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3519 foreach ($matches as $mtch) {
3522 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3524 if (strpos($mime, 'video') !== false) {
3527 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3530 $url_parts = explode('/', $the_url);
3531 $id = end($url_parts);
3532 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3535 'title' => DI::l10n()->t('View Video'),
3542 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3544 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3545 $filesubtype = str_replace('.', '-', $filesubtype);
3548 $filesubtype = 'unkn';
3551 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3552 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3554 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3555 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" rel="noopener noreferrer" >' . $icon . '</a>';
3559 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3563 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3564 $x = Map::byCoordinates(trim($item['coord']));
3566 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3570 // Replace friendica image url size with theme preference.
3571 if (!empty($a->theme_info['item_image_size'])) {
3572 $ps = $a->theme_info['item_image_size'];
3573 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3576 $s = HTML::applyContentFilter($s, $filter_reasons);
3578 $hook_data = ['item' => $item, 'html' => $s];
3579 Hook::callAll('prepare_body_final', $hook_data);
3581 return $hook_data['html'];
3585 * get private link for item
3587 * @param array $item
3588 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3589 * @throws \Exception
3591 public static function getPlink($item)
3595 if ($a->user['nickname'] != "") {
3597 'href' => "display/" . $item['guid'],
3598 'orig' => "display/" . $item['guid'],
3599 'title' => DI::l10n()->t('View on separate page'),
3600 'orig_title' => DI::l10n()->t('view on separate page'),
3603 if (!empty($item['plink'])) {
3604 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3605 $ret["title"] = DI::l10n()->t('link to source');
3608 } elseif (!empty($item['plink']) && ($item['private'] != self::PRIVATE)) {
3610 'href' => $item['plink'],
3611 'orig' => $item['plink'],
3612 'title' => DI::l10n()->t('link to source'),
3622 * Is the given item array a post that is sent as starting post to a forum?
3624 * @param array $item
3625 * @param array $owner
3627 * @return boolean "true" when it is a forum post
3629 public static function isForumPost(array $item, array $owner = [])
3631 if (empty($owner)) {
3632 $owner = User::getOwnerDataById($item['uid']);
3633 if (empty($owner)) {
3638 if (($item['author-id'] == $item['owner-id']) ||
3639 ($owner['id'] == $item['contact-id']) ||
3640 ($item['uri'] != $item['parent-uri']) ||
3645 return Contact::isForum($item['contact-id']);
3649 * Search item id for given URI or plink
3651 * @param string $uri
3652 * @param integer $uid
3654 * @return integer item id
3656 public static function searchByLink($uri, $uid = 0)
3658 $ssl_uri = str_replace('http://', 'https://', $uri);
3659 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3661 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3662 if (DBA::isResult($item)) {
3666 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3667 if (!DBA::isResult($itemcontent)) {
3671 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3672 if (!DBA::isResult($itemuri)) {
3676 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3677 if (DBA::isResult($item)) {
3685 * Return the URI for a link to the post
3687 * @param string $uri URI or link to post
3689 * @return string URI
3691 public static function getURIByLink(string $uri)
3693 $ssl_uri = str_replace('http://', 'https://', $uri);
3694 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3696 $item = DBA::selectFirst('item', ['uri'], ['uri' => $uris]);
3697 if (DBA::isResult($item)) {
3698 return $item['uri'];
3701 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3702 if (!DBA::isResult($itemcontent)) {
3706 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3707 if (DBA::isResult($itemuri)) {
3708 return $itemuri['uri'];
3715 * Fetches item for given URI or plink
3717 * @param string $uri
3718 * @param integer $uid
3720 * @return integer item id
3722 public static function fetchByLink($uri, $uid = 0)
3724 $item_id = self::searchByLink($uri, $uid);
3725 if (!empty($item_id)) {
3729 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3730 $item_id = self::searchByLink($fetched_uri, $uid);
3732 $item_id = Diaspora::fetchByURL($uri);
3735 if (!empty($item_id)) {
3743 * Return share data from an item array (if the item is shared item)
3744 * We are providing the complete Item array, because at some time in the future
3745 * we hopefully will define these values not in the body anymore but in some item fields.
3746 * This function is meant to replace all similar functions in the system.
3748 * @param array $item
3750 * @return array with share information
3752 public static function getShareArray($item)
3754 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3758 $attribute_string = $matches[2];
3759 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3760 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3761 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3762 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3769 * Fetch item information for shared items from the original items and adds it.
3771 * @param array $item
3773 * @return array item array with data from the original item
3775 public static function addShareDataFromOriginal($item)
3777 $shared = self::getShareArray($item);
3778 if (empty($shared)) {
3782 // Real reshares always have got a GUID.
3783 if (empty($shared['guid'])) {
3787 $uid = $item['uid'] ?? 0;
3789 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3790 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3791 if (!DBA::isResult($shared_item)) {
3792 if (empty($shared['link'])) {
3796 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3797 $id = self::fetchByLink($shared['link'], $uid);
3799 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3803 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3804 if (!DBA::isResult($shared_item)) {
3807 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3809 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3812 if (!empty($shared_item['title'])) {
3813 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3814 unset($shared_item['title']);
3816 $body = $shared_item['body'];
3819 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3820 unset($shared_item['body']);
3822 return array_merge($item, $shared_item);