4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\Content\Text\BBCode;
10 use Friendica\Content\Text\HTML;
11 use Friendica\Core\Config;
12 use Friendica\Core\Hook;
13 use Friendica\Core\Logger;
14 use Friendica\Core\Protocol;
15 use Friendica\Core\Renderer;
16 use Friendica\Core\Session;
17 use Friendica\Core\System;
18 use Friendica\Core\Worker;
19 use Friendica\Database\DBA;
21 use Friendica\Protocol\Activity;
22 use Friendica\Protocol\ActivityPub;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\Map;
27 use Friendica\Util\Network;
28 use Friendica\Util\Security;
29 use Friendica\Util\Strings;
30 use Friendica\Util\XML;
31 use Friendica\Worker\Delivery;
32 use Text_LanguageDetect;
36 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
43 const PT_DOCUMENT = 19;
45 const PT_PERSONAL_NOTE = 128;
47 // Field list that is used to display the items
48 const DISPLAY_FIELDLIST = [
49 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
50 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
51 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
52 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
53 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
54 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
55 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
56 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
57 'writable', 'self', 'cid', 'alias', 'pinned',
58 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
59 'event-summary', 'event-desc', 'event-location', 'event-type',
60 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
61 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
64 // Field list that is used to deliver items via the protocols
65 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
66 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
67 'private', 'title', 'body', 'location', 'coord', 'app',
68 'attach', 'tag', 'deleted', 'extid', 'post-type',
69 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
70 'author-id', 'author-link', 'owner-link', 'contact-uid',
71 'signed_text', 'signature', 'signer', 'network'];
73 // Field list for "item-content" table that is mixed with the item table
74 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
75 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
76 'object-type', 'object', 'target-type', 'target', 'plink'];
78 // Field list for "item-content" table that is not present in the "item" table
79 const CONTENT_FIELDLIST = ['language'];
81 // All fields in the item table
82 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
83 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
84 'created', 'edited', 'commented', 'received', 'changed', 'verb',
85 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
86 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
87 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
88 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
89 'title', 'content-warning', 'body', 'location', 'coord', 'app',
90 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
91 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
92 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
94 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
95 // The item-activity table only stores the index and needs this array to know the matching activity.
97 Activity::LIKE, Activity::DISLIKE,
98 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
102 private static $legacy_mode = null;
104 public static function isLegacyMode()
106 if (is_null(self::$legacy_mode)) {
107 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
110 return self::$legacy_mode;
114 * Set the pinned state of an item
116 * @param integer $iid Item ID
117 * @param integer $uid User ID
118 * @param boolean $pinned Pinned state
120 public static function setPinned(int $iid, int $uid, bool $pinned)
122 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
126 * Get the pinned state
128 * @param integer $iid Item ID
129 * @param integer $uid User ID
131 * @return boolean pinned state
133 public static function getPinned(int $iid, int $uid)
135 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
136 if (!DBA::isResult($useritem)) {
139 return (bool)$useritem['pinned'];
143 * Select pinned rows from the item table for a given user
145 * @param integer $uid User ID
146 * @param array $selected Array of selected fields, empty for all
147 * @param array $condition Array of fields for condition
148 * @param array $params Array of several parameters
150 * @return boolean|object
153 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
155 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
156 if (!DBA::isResult($useritems)) {
161 while ($useritem = self::fetch($useritems)) {
162 $pinned[] = $useritem['iid'];
164 DBA::close($useritems);
166 if (empty($pinned)) {
170 if (empty($condition) || !is_array($condition)) {
171 $condition = ['iid' => $pinned];
174 $first_key = key($condition);
175 if (!is_int($first_key)) {
176 $condition['iid'] = $pinned;
178 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
179 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
180 $condition = array_merge($condition, $pinned);
184 return self::selectThreadForUser($uid, $selected, $condition, $params);
188 * returns an activity index from an activity string
190 * @param string $activity activity string
191 * @return integer Activity index
193 public static function activityToIndex($activity)
195 $index = array_search($activity, self::ACTIVITIES);
197 if (is_bool($index)) {
205 * returns an activity string from an activity index
207 * @param integer $index activity index
208 * @return string Activity string
210 private static function indexToActivity($index)
212 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
216 return self::ACTIVITIES[$index];
220 * Fetch a single item row
222 * @param mixed $stmt statement object
223 * @return array current row
225 public static function fetch($stmt)
227 $row = DBA::fetch($stmt);
233 // ---------------------- Transform item structure data ----------------------
235 // We prefer the data from the user's contact over the public one
236 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
237 ($row['author-link'] == $row['contact-link'])) {
238 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
239 $row['author-avatar'] = $row['contact-avatar'];
241 if (isset($row['author-name']) && !empty($row['contact-name'])) {
242 $row['author-name'] = $row['contact-name'];
246 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
247 ($row['owner-link'] == $row['contact-link'])) {
248 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
249 $row['owner-avatar'] = $row['contact-avatar'];
251 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
252 $row['owner-name'] = $row['contact-name'];
256 // We can always comment on posts from these networks
257 if (array_key_exists('writable', $row) &&
258 in_array($row['internal-network'], Protocol::FEDERATED)) {
259 $row['writable'] = true;
262 // ---------------------- Transform item content data ----------------------
264 // Fetch data from the item-content table whenever there is content there
265 if (self::isLegacyMode()) {
266 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
267 foreach ($legacy_fields as $field) {
268 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
269 $row[$field] = $row['internal-item-' . $field];
271 unset($row['internal-item-' . $field]);
275 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
276 $row['verb'] = self::indexToActivity($row['internal-activity']);
277 if (array_key_exists('title', $row)) {
280 if (array_key_exists('body', $row)) {
281 $row['body'] = $row['verb'];
283 if (array_key_exists('object', $row)) {
286 if (array_key_exists('object-type', $row)) {
287 $row['object-type'] = Activity\ObjectType::NOTE;
289 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
290 // Posts don't have a target - but having tags or files.
291 // We safe some performance by building tag and file strings only here.
292 // We remove the target since they aren't used for this type.
293 // In mail posts we do store some mail header data in the object.
294 if (array_key_exists('target', $row)) {
299 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
300 // Build the tag string out of the term entries
301 if (array_key_exists('tag', $row) && empty($row['tag'])) {
302 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
305 // Build the file string out of the term entries
306 if (array_key_exists('file', $row) && empty($row['file'])) {
307 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
311 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
312 $row['signed_text'] = $row['interaction'];
315 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
316 $row['ignored'] = $row['internal-user-ignored'];
319 // Remove internal fields
320 unset($row['internal-activity']);
321 unset($row['internal-network']);
322 unset($row['internal-iid']);
323 unset($row['internal-iaid']);
324 unset($row['internal-icid']);
325 unset($row['internal-user-ignored']);
326 unset($row['interaction']);
332 * Fills an array with data from an item query
334 * @param object $stmt statement object
335 * @param bool $do_close
336 * @return array Data array
338 public static function inArray($stmt, $do_close = true) {
339 if (is_bool($stmt)) {
344 while ($row = self::fetch($stmt)) {
354 * Check if item data exists
356 * @param array $condition array of fields for condition
358 * @return boolean Are there rows for that condition?
361 public static function exists($condition) {
362 $stmt = self::select(['id'], $condition, ['limit' => 1]);
364 if (is_bool($stmt)) {
367 $retval = (DBA::numRows($stmt) > 0);
376 * Retrieve a single record from the item table for a given user and returns it in an associative array
378 * @param integer $uid User ID
379 * @param array $selected
380 * @param array $condition
381 * @param array $params
386 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
388 $params['uid'] = $uid;
390 if (empty($selected)) {
391 $selected = Item::DISPLAY_FIELDLIST;
394 return self::selectFirst($selected, $condition, $params);
398 * Select rows from the item table for a given user
400 * @param integer $uid User ID
401 * @param array $selected Array of selected fields, empty for all
402 * @param array $condition Array of fields for condition
403 * @param array $params Array of several parameters
405 * @return boolean|object
408 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
410 $params['uid'] = $uid;
412 if (empty($selected)) {
413 $selected = Item::DISPLAY_FIELDLIST;
416 return self::select($selected, $condition, $params);
420 * Retrieve a single record from the item table and returns it in an associative array
422 * @param array $fields
423 * @param array $condition
424 * @param array $params
429 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
431 $params['limit'] = 1;
433 $result = self::select($fields, $condition, $params);
435 if (is_bool($result)) {
438 $row = self::fetch($result);
445 * Select rows from the item table and returns them as an array
447 * @param array $selected Array of selected fields, empty for all
448 * @param array $condition Array of fields for condition
449 * @param array $params Array of several parameters
454 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
456 $result = self::select($fields, $condition, $params);
458 if (is_bool($result)) {
463 while ($row = self::fetch($result)) {
472 * Select rows from the item table
474 * @param array $selected Array of selected fields, empty for all
475 * @param array $condition Array of fields for condition
476 * @param array $params Array of several parameters
478 * @return boolean|object
481 public static function select(array $selected = [], array $condition = [], $params = [])
486 if (isset($params['uid'])) {
487 $uid = $params['uid'];
491 $fields = self::fieldlist($usermode);
493 $select_fields = self::constructSelectFields($fields, $selected);
495 $condition_string = DBA::buildCondition($condition);
497 $condition_string = self::addTablesToFields($condition_string, $fields);
500 $condition_string = $condition_string . ' AND ' . self::condition(false);
503 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
505 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
507 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
509 return DBA::p($sql, $condition);
513 * Select rows from the starting post in the item table
515 * @param integer $uid User ID
516 * @param array $selected
517 * @param array $condition Array of fields for condition
518 * @param array $params Array of several parameters
520 * @return boolean|object
523 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
525 $params['uid'] = $uid;
527 if (empty($selected)) {
528 $selected = Item::DISPLAY_FIELDLIST;
531 return self::selectThread($selected, $condition, $params);
535 * Retrieve a single record from the starting post in the item table and returns it in an associative array
537 * @param integer $uid User ID
538 * @param array $selected
539 * @param array $condition
540 * @param array $params
545 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
547 $params['uid'] = $uid;
549 if (empty($selected)) {
550 $selected = Item::DISPLAY_FIELDLIST;
553 return self::selectFirstThread($selected, $condition, $params);
557 * Retrieve a single record from the starting post in the item table and returns it in an associative array
559 * @param array $fields
560 * @param array $condition
561 * @param array $params
566 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
568 $params['limit'] = 1;
569 $result = self::selectThread($fields, $condition, $params);
571 if (is_bool($result)) {
574 $row = self::fetch($result);
581 * Select rows from the starting post in the item table
583 * @param array $selected Array of selected fields, empty for all
584 * @param array $condition Array of fields for condition
585 * @param array $params Array of several parameters
587 * @return boolean|object
590 public static function selectThread(array $selected = [], array $condition = [], $params = [])
595 if (isset($params['uid'])) {
596 $uid = $params['uid'];
600 $fields = self::fieldlist($usermode);
602 $fields['thread'] = ['mention', 'ignored', 'iid'];
604 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
605 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
606 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
607 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
609 $select_fields = self::constructSelectFields($fields, $selected);
611 $condition_string = DBA::buildCondition($condition);
613 $condition_string = self::addTablesToFields($condition_string, $threadfields);
614 $condition_string = self::addTablesToFields($condition_string, $fields);
617 $condition_string = $condition_string . ' AND ' . self::condition(true);
620 $param_string = DBA::buildParameter($params);
621 $param_string = self::addTablesToFields($param_string, $threadfields);
622 $param_string = self::addTablesToFields($param_string, $fields);
624 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
626 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
628 return DBA::p($sql, $condition);
632 * Returns a list of fields that are associated with the item table
635 * @return array field list
637 private static function fieldlist($usermode)
641 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
642 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
643 'created', 'edited', 'commented', 'received', 'changed', 'psid',
644 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
645 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
646 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
647 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
648 'network' => 'internal-network', 'icid' => 'internal-icid',
649 'iaid' => 'internal-iaid'];
652 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
655 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
657 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
659 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
661 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
663 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
664 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
666 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
667 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
669 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
670 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
671 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
673 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
675 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
677 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
678 'start' => 'event-start','finish' => 'event-finish',
679 'summary' => 'event-summary','desc' => 'event-desc',
680 'location' => 'event-location', 'type' => 'event-type',
681 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
682 'ignore' => 'event-ignore', 'id' => 'event-id'];
684 $fields['sign'] = ['signed_text', 'signature', 'signer'];
686 $fields['diaspora-interaction'] = ['interaction'];
692 * Returns SQL condition for the "select" functions
694 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
696 * @return string SQL condition
698 private static function condition($thread_mode)
701 $master_table = "`thread`";
703 $master_table = "`item`";
705 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
706 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
707 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
708 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
709 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
710 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
711 GRAVITY_PARENT, GRAVITY_PARENT);
715 * Returns all needed "JOIN" commands for the "select" functions
717 * @param integer $uid User ID
718 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
719 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
722 * @return string The SQL joins for the "select" functions
724 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
727 $master_table = "`thread`";
728 $master_table_key = "`thread`.`iid`";
729 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
731 $master_table = "`item`";
732 $master_table_key = "`item`.`id`";
737 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
738 AND NOT `contact`.`blocked`
739 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
740 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
741 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
742 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
743 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
744 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
745 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
746 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
748 if (strpos($sql_commands, "`contact`.") !== false) {
749 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
751 if (strpos($sql_commands, "`author`.") !== false) {
752 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
754 if (strpos($sql_commands, "`owner`.") !== false) {
755 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
759 if (strpos($sql_commands, "`group_member`.") !== false) {
760 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
763 if (strpos($sql_commands, "`user`.") !== false) {
764 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
767 if (strpos($sql_commands, "`event`.") !== false) {
768 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
771 if (strpos($sql_commands, "`sign`.") !== false) {
772 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
775 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
776 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
779 if (strpos($sql_commands, "`item-activity`.") !== false) {
780 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
783 if (strpos($sql_commands, "`item-content`.") !== false) {
784 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
787 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
788 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
791 if (strpos($sql_commands, "`permissionset`.") !== false) {
792 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
795 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
796 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
799 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
800 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
807 * Add the field list for the "select" functions
809 * @param array $fields The field definition array
810 * @param array $selected The array with the selected fields from the "select" functions
812 * @return string The field list
814 private static function constructSelectFields($fields, $selected)
816 if (!empty($selected)) {
817 $selected[] = 'internal-iid';
818 $selected[] = 'internal-iaid';
819 $selected[] = 'internal-icid';
820 $selected[] = 'internal-network';
823 if (in_array('verb', $selected)) {
824 $selected[] = 'internal-activity';
827 if (in_array('ignored', $selected)) {
828 $selected[] = 'internal-user-ignored';
831 if (in_array('signed_text', $selected)) {
832 $selected[] = 'interaction';
835 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
838 foreach ($fields as $table => $table_fields) {
839 foreach ($table_fields as $field => $select) {
840 if (empty($selected) || in_array($select, $selected)) {
841 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
842 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
844 if (is_int($field)) {
845 $selection[] = "`" . $table . "`.`" . $select . "`";
847 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
852 return implode(", ", $selection);
856 * add table definition to fields in an SQL query
858 * @param string $query SQL query
859 * @param array $fields The field definition array
861 * @return string the changed SQL query
863 private static function addTablesToFields($query, $fields)
865 foreach ($fields as $table => $table_fields) {
866 foreach ($table_fields as $alias => $field) {
867 if (is_int($alias)) {
868 $replace_field = $field;
870 $replace_field = $alias;
873 $search = "/([^\.])`" . $field . "`/i";
874 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
875 $query = preg_replace($search, $replace, $query);
882 * Update existing item entries
884 * @param array $fields The fields that are to be changed
885 * @param array $condition The condition for finding the item entries
887 * In the future we may have to change permissions as well.
888 * Then we had to add the user id as third parameter.
890 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
892 * @return integer|boolean number of affected rows - or "false" if there was an error
893 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
895 public static function update(array $fields, array $condition)
897 if (empty($condition) || empty($fields)) {
901 // To ensure the data integrity we do it in an transaction
904 // We cannot simply expand the condition to check for origin entries
905 // The condition needn't to be a simple array but could be a complex condition.
906 // And we have to execute this query before the update to ensure to fetch the same data.
907 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
909 $content_fields = [];
910 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
911 if (isset($fields[$field])) {
912 $content_fields[$field] = $fields[$field];
913 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
914 unset($fields[$field]);
916 $fields[$field] = null;
921 $delivery_data = ItemDeliveryData::extractFields($fields);
923 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
924 foreach ($clear_fields as $field) {
925 if (array_key_exists($field, $fields)) {
926 $fields[$field] = null;
930 if (array_key_exists('tag', $fields)) {
931 $tags = $fields['tag'];
932 $fields['tag'] = null;
937 if (array_key_exists('file', $fields)) {
938 $files = $fields['file'];
939 $fields['file'] = null;
944 if (!empty($fields)) {
945 $success = DBA::update('item', $fields, $condition);
954 // When there is no content for the "old" item table, this will count the fetched items
955 $rows = DBA::affectedRows();
959 while ($item = DBA::fetch($items)) {
960 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
961 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
963 if (empty($item['iaid'])) {
964 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
965 if (DBA::isResult($item_activity)) {
966 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
967 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
968 if (self::isLegacyMode()) {
969 $item_fields[$field] = null;
971 unset($item_fields[$field]);
974 DBA::update('item', $item_fields, ['id' => $item['id']]);
976 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
977 DBA::delete('item-content', ['id' => $item['icid']]);
980 } elseif (!empty($item['icid'])) {
981 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
983 if (!DBA::exists('item', ['icid' => $item['icid']])) {
984 DBA::delete('item-content', ['id' => $item['icid']]);
988 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
990 if (empty($item['icid'])) {
991 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
992 if (DBA::isResult($item_content)) {
993 $item_fields = ['icid' => $item_content['id']];
994 // Clear all fields in the item table that have a content in the item-content table
995 foreach ($item_content as $field => $content) {
996 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
997 if (self::isLegacyMode()) {
998 $item_fields[$field] = null;
1000 unset($item_fields[$field]);
1004 DBA::update('item', $item_fields, ['id' => $item['id']]);
1009 if (!is_null($tags)) {
1010 Term::insertFromTagFieldByItemId($item['id'], $tags);
1011 if (!empty($item['tag'])) {
1012 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1016 if (!is_null($files)) {
1017 Term::insertFromFileFieldByItemId($item['id'], $files);
1018 if (!empty($item['file'])) {
1019 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1023 ItemDeliveryData::update($item['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 $priority Priority for the notification
1049 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1051 public static function delete($condition, $priority = PRIORITY_HIGH)
1053 $items = self::select(['id'], $condition);
1054 while ($item = self::fetch($items)) {
1055 self::deleteById($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'] == $uid) {
1082 self::deleteById($item['id'], PRIORITY_HIGH);
1084 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1091 * Delete an item and notify others about it - if it was ours
1093 * @param integer $item_id Item ID that should be delete
1094 * @param integer $priority Priority for the notification
1096 * @return boolean success
1097 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1099 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1101 // locate item to be deleted
1102 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1103 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1104 'verb', 'object-type', 'object', 'target', 'contact-id',
1105 'icid', 'iaid', 'psid'];
1106 $item = self::selectFirst($fields, ['id' => $item_id]);
1107 if (!DBA::isResult($item)) {
1108 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1112 if ($item['deleted']) {
1113 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1117 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1118 if (!DBA::isResult($parent)) {
1119 $parent = ['origin' => false];
1122 // clean up categories and tags so they don't end up as orphans
1125 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1128 foreach ($matches as $mtch) {
1129 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1135 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1138 foreach ($matches as $mtch) {
1139 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1144 * If item is a link to a photo resource, nuke all the associated photos
1145 * (visitors will not have photo resources)
1146 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1147 * generate a resource-id and therefore aren't intimately linked to the item.
1149 /// @TODO: this should first check if photo is used elsewhere
1150 if (strlen($item['resource-id'])) {
1151 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1154 // If item is a link to an event, delete the event.
1155 if (intval($item['event-id'])) {
1156 Event::delete($item['event-id']);
1159 // If item has attachments, drop them
1160 /// @TODO: this should first check if attachment is used elsewhere
1161 foreach (explode(",", $item['attach']) as $attach) {
1162 preg_match("|attach/(\d+)|", $attach, $matches);
1163 if (is_array($matches) && count($matches) > 1) {
1164 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1168 // Delete tags that had been attached to other items
1169 self::deleteTagsFromItem($item);
1171 // Delete notifications
1172 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1174 // Set the item to "deleted"
1175 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1176 DBA::update('item', $item_fields, ['id' => $item['id']]);
1178 Term::insertFromTagFieldByItemId($item['id'], '');
1179 Term::insertFromFileFieldByItemId($item['id'], '');
1180 self::deleteThread($item['id'], $item['parent-uri']);
1182 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1183 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1186 ItemDeliveryData::delete($item['id']);
1188 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1190 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1191 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1193 // When the permission set will be used in photo and events as well,
1194 // this query here needs to be extended.
1195 // @todo Currently deactivated. We need the permission set in the deletion process.
1196 // This is a reminder to add the removal somewhere else.
1197 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1198 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1201 // If it's the parent of a comment thread, kill all the kids
1202 if ($item['id'] == $item['parent']) {
1203 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1206 // Is it our comment and/or our thread?
1207 if ($item['origin'] || $parent['origin']) {
1209 // When we delete the original post we will delete all existing copies on the server as well
1210 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1212 // send the notification upstream/downstream
1213 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1214 } elseif ($item['uid'] != 0) {
1216 // When we delete just our local user copy of an item, we have to set a marker to hide it
1217 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1218 if (DBA::isResult($global_item)) {
1219 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1223 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1228 private static function deleteTagsFromItem($item)
1230 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1234 $xo = XML::parseString($item["object"], false);
1235 $xt = XML::parseString($item["target"], false);
1237 if ($xt->type != Activity\ObjectType::NOTE) {
1241 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1242 if (!DBA::isResult($i)) {
1246 // For tags, the owner cannot remove the tag on the author's copy of the post.
1247 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1248 $author_copy = $item["origin"];
1250 if (($owner_remove && $author_copy) || !$owner_remove) {
1254 $tags = explode(',', $i["tag"]);
1257 foreach ($tags as $tag) {
1258 if (trim($tag) !== trim($xo->body)) {
1259 $newtags[] = trim($tag);
1263 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1266 private static function guid($item, $notify)
1268 if (!empty($item['guid'])) {
1269 return Strings::escapeTags(trim($item['guid']));
1273 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1274 // We add the hash of our own host because our host is the original creator of the post.
1275 $prefix_host = DI::baseUrl()->getHostname();
1279 // We are only storing the post so we create a GUID from the original hostname.
1280 if (!empty($item['author-link'])) {
1281 $parsed = parse_url($item['author-link']);
1282 if (!empty($parsed['host'])) {
1283 $prefix_host = $parsed['host'];
1287 if (empty($prefix_host) && !empty($item['plink'])) {
1288 $parsed = parse_url($item['plink']);
1289 if (!empty($parsed['host'])) {
1290 $prefix_host = $parsed['host'];
1294 if (empty($prefix_host) && !empty($item['uri'])) {
1295 $parsed = parse_url($item['uri']);
1296 if (!empty($parsed['host'])) {
1297 $prefix_host = $parsed['host'];
1301 // Is it in the format data@host.tld? - Used for mail contacts
1302 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1303 $mailparts = explode('@', $item['author-link']);
1304 $prefix_host = array_pop($mailparts);
1308 if (!empty($item['plink'])) {
1309 $guid = self::guidFromUri($item['plink'], $prefix_host);
1310 } elseif (!empty($item['uri'])) {
1311 $guid = self::guidFromUri($item['uri'], $prefix_host);
1313 $guid = System::createUUID(hash('crc32', $prefix_host));
1319 private static function contactId($item)
1321 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1322 return $item['contact-id'];
1323 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1324 return $item['contact-id'];
1325 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1326 return $item['author-id'];
1327 } elseif (!empty($item['contact-id'])) {
1328 return $item['contact-id'];
1330 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1331 if (!empty($contact_id)) {
1335 return $item['author-id'];
1338 // This function will finally cover most of the preparation functionality in mod/item.php
1339 public static function prepare(&$item)
1342 * @TODO: Unused code triggering inspection errors
1344 $data = BBCode::getAttachmentData($item['body']);
1345 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1346 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1347 $posttype = Item::PT_PAGE;
1348 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1354 * Write an item array into a spool file to be inserted later.
1355 * This command is called whenever there are issues storing an item.
1357 * @param array $item The item fields that are to be inserted
1358 * @throws \Exception
1360 private static function spool($orig_item)
1362 // Now we store the data in the spool directory
1363 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1364 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1366 $spoolpath = get_spoolpath();
1367 if ($spoolpath != "") {
1368 $spool = $spoolpath . '/' . $file;
1370 file_put_contents($spool, json_encode($orig_item));
1371 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1375 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1379 $priority = PRIORITY_HIGH;
1381 // If it is a posting where users should get notifications, then define it as wall posting
1384 $item['origin'] = 1;
1385 $item['network'] = Protocol::DFRN;
1386 $item['protocol'] = Conversation::PARCEL_DFRN;
1388 if (is_int($notify)) {
1389 $priority = $notify;
1392 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1395 $item['guid'] = self::guid($item, $notify);
1396 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1399 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1401 // Store conversation data
1402 $item = Conversation::insert($item);
1405 * If a Diaspora signature structure was passed in, pull it out of the
1406 * item array and set it aside for later storage.
1410 if (isset($item['dsprsig'])) {
1411 $encoded_signature = $item['dsprsig'];
1412 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1413 unset($item['dsprsig']);
1416 $diaspora_signed_text = '';
1417 if (isset($item['diaspora_signed_text'])) {
1418 $diaspora_signed_text = $item['diaspora_signed_text'];
1419 unset($item['diaspora_signed_text']);
1422 // Converting the plink
1423 /// @TODO Check if this is really still needed
1424 if ($item['network'] == Protocol::OSTATUS) {
1425 if (isset($item['plink'])) {
1426 $item['plink'] = OStatus::convertHref($item['plink']);
1427 } elseif (isset($item['uri'])) {
1428 $item['plink'] = OStatus::convertHref($item['uri']);
1432 if (!empty($item['thr-parent'])) {
1433 $item['parent-uri'] = $item['thr-parent'];
1436 $activity = DI::activity();
1438 if (isset($item['gravity'])) {
1439 $item['gravity'] = intval($item['gravity']);
1440 } elseif ($item['parent-uri'] === $item['uri']) {
1441 $item['gravity'] = GRAVITY_PARENT;
1442 } elseif ($activity->match($item['verb'], Activity::POST)) {
1443 $item['gravity'] = GRAVITY_COMMENT;
1444 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1445 $item['gravity'] = GRAVITY_ACTIVITY;
1447 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1448 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1451 $uid = intval($item['uid']);
1453 // check for create date and expire time
1454 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1456 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1457 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1458 $expire_interval = $user['expire'];
1461 if (($expire_interval > 0) && !empty($item['created'])) {
1462 $expire_date = time() - ($expire_interval * 86400);
1463 $created_date = strtotime($item['created']);
1464 if ($created_date < $expire_date) {
1465 Logger::notice('Item created before expiration interval.', [
1466 'created' => date('c', $created_date),
1467 'expired' => date('c', $expire_date),
1475 * Do we already have this item?
1476 * We have to check several networks since Friendica posts could be repeated
1477 * via OStatus (maybe Diasporsa as well)
1479 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1480 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1481 trim($item['uri']), $item['uid'],
1482 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1483 $existing = self::selectFirst(['id', 'network'], $condition);
1484 if (DBA::isResult($existing)) {
1485 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1487 Logger::notice('Item already existed for user', [
1488 'uri' => $item['uri'],
1490 'network' => $item['network'],
1491 'existing_id' => $existing["id"],
1492 'existing_network' => $existing["network"]
1496 return $existing["id"];
1500 $item['wall'] = intval($item['wall'] ?? 0);
1501 $item['extid'] = trim($item['extid'] ?? '');
1502 $item['author-name'] = trim($item['author-name'] ?? '');
1503 $item['author-link'] = trim($item['author-link'] ?? '');
1504 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1505 $item['owner-name'] = trim($item['owner-name'] ?? '');
1506 $item['owner-link'] = trim($item['owner-link'] ?? '');
1507 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1508 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1509 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1510 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1511 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1512 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1513 $item['title'] = trim($item['title'] ?? '');
1514 $item['location'] = trim($item['location'] ?? '');
1515 $item['coord'] = trim($item['coord'] ?? '');
1516 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1517 $item['deleted'] = 0;
1518 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1519 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1520 $item['verb'] = trim($item['verb'] ?? '');
1521 $item['object-type'] = trim($item['object-type'] ?? '');
1522 $item['object'] = trim($item['object'] ?? '');
1523 $item['target-type'] = trim($item['target-type'] ?? '');
1524 $item['target'] = trim($item['target'] ?? '');
1525 $item['plink'] = trim($item['plink'] ?? '');
1526 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1527 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1528 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1529 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1530 $item['private'] = intval($item['private'] ?? 0);
1531 $item['body'] = trim($item['body'] ?? '');
1532 $item['tag'] = trim($item['tag'] ?? '');
1533 $item['attach'] = trim($item['attach'] ?? '');
1534 $item['app'] = trim($item['app'] ?? '');
1535 $item['origin'] = intval($item['origin'] ?? 0);
1536 $item['postopts'] = trim($item['postopts'] ?? '');
1537 $item['resource-id'] = trim($item['resource-id'] ?? '');
1538 $item['event-id'] = intval($item['event-id'] ?? 0);
1539 $item['inform'] = trim($item['inform'] ?? '');
1540 $item['file'] = trim($item['file'] ?? '');
1542 // When there is no content then we don't post it
1543 if ($item['body'].$item['title'] == '') {
1544 Logger::notice('No body, no title.');
1548 self::addLanguageToItemArray($item);
1550 // Items cannot be stored before they happen ...
1551 if ($item['created'] > DateTimeFormat::utcNow()) {
1552 $item['created'] = DateTimeFormat::utcNow();
1555 // We haven't invented time travel by now.
1556 if ($item['edited'] > DateTimeFormat::utcNow()) {
1557 $item['edited'] = DateTimeFormat::utcNow();
1560 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1562 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1563 'photo' => $item['author-avatar'], 'network' => $item['network']];
1565 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1567 if (Contact::isBlocked($item['author-id'])) {
1568 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1572 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1573 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1577 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1578 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1582 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1583 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1585 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1587 if (Contact::isBlocked($item['owner-id'])) {
1588 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1592 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1593 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1597 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1598 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1602 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1603 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1604 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1608 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1609 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1613 // We don't store the causer, we only have it here for the checks above
1614 unset($item['causer-id']);
1615 unset($item['causer-link']);
1617 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1618 $item["contact-id"] = self::contactId($item);
1620 if ($item['network'] == Protocol::PHANTOM) {
1621 $item['network'] = Protocol::DFRN;
1622 Logger::notice('Missing network, setting to {network}.', [
1623 'uri' => $item["uri"],
1624 'network' => $item['network'],
1625 'callstack' => System::callstack()
1629 // Checking if there is already an item with the same guid
1630 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1631 if (self::exists($condition)) {
1632 Logger::notice('Found already existing item', [
1633 'guid' => $item['guid'],
1634 'uid' => $item['uid'],
1635 'network' => $item['network']
1640 if ($item['verb'] == Activity::FOLLOW) {
1641 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1642 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1643 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1647 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1648 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1649 if (self::exists($condition)) {
1650 // It happens that we receive multiple follow requests by the same author - we only store one.
1651 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1656 // Check for hashtags in the body and repair or add hashtag links
1657 self::setHashtags($item);
1659 $item['thr-parent'] = $item['parent-uri'];
1661 $notify_type = Delivery::POST;
1667 if ($item['parent-uri'] === $item['uri']) {
1669 $parent_deleted = 0;
1670 $allow_cid = $item['allow_cid'];
1671 $allow_gid = $item['allow_gid'];
1672 $deny_cid = $item['deny_cid'];
1673 $deny_gid = $item['deny_gid'];
1675 // find the parent and snarf the item id and ACLs
1676 // and anything else we need to inherit
1678 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1679 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1680 'wall', 'private', 'forum_mode', 'origin'];
1681 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1682 $params = ['order' => ['id' => false]];
1683 $parent = self::selectFirst($fields, $condition, $params);
1685 if (DBA::isResult($parent)) {
1686 // is the new message multi-level threaded?
1687 // even though we don't support it now, preserve the info
1688 // and re-attach to the conversation parent.
1690 if ($parent['uri'] != $parent['parent-uri']) {
1691 $item['parent-uri'] = $parent['parent-uri'];
1693 $condition = ['uri' => $item['parent-uri'],
1694 'parent-uri' => $item['parent-uri'],
1695 'uid' => $item['uid']];
1696 $params = ['order' => ['id' => false]];
1697 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1699 if (DBA::isResult($toplevel_parent)) {
1700 $parent = $toplevel_parent;
1704 $parent_id = $parent['id'];
1705 $parent_deleted = $parent['deleted'];
1706 $allow_cid = $parent['allow_cid'];
1707 $allow_gid = $parent['allow_gid'];
1708 $deny_cid = $parent['deny_cid'];
1709 $deny_gid = $parent['deny_gid'];
1710 $item['wall'] = $parent['wall'];
1713 * If the parent is private, force privacy for the entire conversation
1714 * This differs from the above settings as it subtly allows comments from
1715 * email correspondents to be private even if the overall thread is not.
1717 if ($parent['private']) {
1718 $item['private'] = $parent['private'];
1722 * Edge case. We host a public forum that was originally posted to privately.
1723 * The original author commented, but as this is a comment, the permissions
1724 * weren't fixed up so it will still show the comment as private unless we fix it here.
1726 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1727 $item['private'] = 0;
1730 // If its a post that originated here then tag the thread as "mention"
1731 if ($item['origin'] && $item['uid']) {
1732 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1733 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1737 * Allow one to see reply tweets from status.net even when
1738 * we don't have or can't see the original post.
1740 if ($force_parent) {
1741 Logger::log('$force_parent=true, reply converted to top-level post.');
1743 $item['parent-uri'] = $item['uri'];
1744 $item['gravity'] = GRAVITY_PARENT;
1746 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1750 $parent_deleted = 0;
1754 if (stristr($item['verb'], Activity::POKE)) {
1755 $notify_type = Delivery::POKE;
1758 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1759 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1761 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1762 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1763 if (self::exists($condition)) {
1764 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1768 // On Friendica and Diaspora the GUID is unique
1769 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1770 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1771 if (self::exists($condition)) {
1772 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1775 } elseif ($item['network'] == Protocol::OSTATUS) {
1776 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1777 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1778 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1779 if (self::exists($condition)) {
1780 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1785 // Is this item available in the global items (with uid=0)?
1786 if ($item["uid"] == 0) {
1787 $item["global"] = true;
1789 // Set the global flag on all items if this was a global item entry
1790 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1792 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1796 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1799 $private = $item['private'];
1802 $item["allow_cid"] = $allow_cid;
1803 $item["allow_gid"] = $allow_gid;
1804 $item["deny_cid"] = $deny_cid;
1805 $item["deny_gid"] = $deny_gid;
1806 $item["private"] = $private;
1807 $item["deleted"] = $parent_deleted;
1809 // Fill the cache field
1810 self::putInCache($item);
1813 $item['edit'] = false;
1814 $item['parent'] = $parent_id;
1815 Hook::callAll('post_local', $item);
1816 unset($item['edit']);
1817 unset($item['parent']);
1819 Hook::callAll('post_remote', $item);
1822 // This array field is used to trigger some automatic reactions
1823 // It is mainly used in the "post_local" hook.
1824 unset($item['api_source']);
1826 if (!empty($item['cancel'])) {
1827 Logger::log('post cancelled by addon.');
1832 * Check for already added items.
1833 * There is a timing issue here that sometimes creates double postings.
1834 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1836 if ($item["uid"] == 0) {
1837 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1838 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1843 Logger::log('' . print_r($item,true), Logger::DATA);
1845 if (array_key_exists('tag', $item)) {
1846 $tags = $item['tag'];
1847 unset($item['tag']);
1852 if (array_key_exists('file', $item)) {
1853 $files = $item['file'];
1854 unset($item['file']);
1859 // Creates or assigns the permission set
1860 $item['psid'] = PermissionSet::fetchIDForPost($item);
1862 // We are doing this outside of the transaction to avoid timing problems
1863 if (!self::insertActivity($item)) {
1864 self::insertContent($item);
1867 $delivery_data = ItemDeliveryData::extractFields($item);
1869 unset($item['postopts']);
1870 unset($item['inform']);
1872 // These fields aren't stored anymore in the item table, they are fetched upon request
1873 unset($item['author-link']);
1874 unset($item['author-name']);
1875 unset($item['author-avatar']);
1876 unset($item['author-network']);
1878 unset($item['owner-link']);
1879 unset($item['owner-name']);
1880 unset($item['owner-avatar']);
1882 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1885 $ret = DBA::insert('item', $item);
1887 // When the item was successfully stored we fetch the ID of the item.
1888 if (DBA::isResult($ret)) {
1889 $current_post = DBA::lastInsertId();
1891 // This can happen - for example - if there are locking timeouts.
1894 // Store the data into a spool file so that we can try again later.
1895 self::spool($orig_item);
1899 if ($current_post == 0) {
1900 // This is one of these error messages that never should occur.
1901 Logger::log("couldn't find created item - we better quit now.");
1906 // How much entries have we created?
1907 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1908 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1911 // There are duplicates. We delete our just created entry.
1912 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1914 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1915 DBA::delete('item', ['id' => $current_post]);
1918 } elseif ($entries == 0) {
1919 // This really should never happen since we quit earlier if there were problems.
1920 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1925 Logger::log('created item '.$current_post);
1927 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1928 $parent_id = $current_post;
1932 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1934 $item['id'] = $current_post;
1935 $item['parent'] = $parent_id;
1937 // update the commented timestamp on the parent
1938 // Only update "commented" if it is really a comment
1939 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1940 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1942 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1947 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1948 * We can check for this condition when we decode and encode the stuff again.
1950 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1951 $dsprsig->signature = base64_decode($dsprsig->signature);
1952 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1955 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1956 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1958 // The other fields are used by very old Friendica servers, so we currently store them differently
1959 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1960 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1964 if (!empty($diaspora_signed_text)) {
1965 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1968 if ($item['parent-uri'] === $item['uri']) {
1969 self::addThread($current_post);
1971 self::updateThread($parent_id);
1974 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1975 ItemDeliveryData::insert($current_post, $delivery_data);
1981 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1982 * This is not perfect - but a workable solution until we found the reason for the problem.
1984 if (!empty($tags)) {
1985 Term::insertFromTagFieldByItemId($current_post, $tags);
1988 if (!empty($files)) {
1989 Term::insertFromFileFieldByItemId($current_post, $files);
1992 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1993 if (self::tagDeliver($item['uid'], $current_post)) {
1994 // Get the user information for the logging
1995 $user = User::getById($uid);
1997 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2002 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2003 if (DBA::isResult($posted_item)) {
2005 Hook::callAll('post_local_end', $posted_item);
2007 Hook::callAll('post_remote_end', $posted_item);
2010 Logger::log('new item not found in DB, id ' . $current_post);
2014 if ($item['parent-uri'] === $item['uri']) {
2015 self::addShadow($current_post);
2017 self::addShadowPost($current_post);
2020 self::updateContact($item);
2022 UserItem::setNotification($current_post);
2024 check_user_notification($current_post);
2026 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2027 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2030 return $current_post;
2034 * Insert a new item content entry
2036 * @param array $item The item fields that are to be inserted
2038 * @throws \Exception
2040 private static function insertActivity(&$item)
2042 $activity_index = self::activityToIndex($item['verb']);
2044 if ($activity_index < 0) {
2048 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2050 // We just remove everything that is content
2051 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2052 unset($item[$field]);
2055 // To avoid timing problems, we are using locks.
2056 $locked = DI::lock()->acquire('item_insert_activity');
2058 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2061 // Do we already have this content?
2062 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2063 if (DBA::isResult($item_activity)) {
2064 $item['iaid'] = $item_activity['id'];
2065 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2066 } elseif (DBA::insert('item-activity', $fields)) {
2067 $item['iaid'] = DBA::lastInsertId();
2068 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2070 // This shouldn't happen.
2071 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2072 DI::lock()->release('item_insert_activity');
2076 DI::lock()->release('item_insert_activity');
2082 * Insert a new item content entry
2084 * @param array $item The item fields that are to be inserted
2085 * @throws \Exception
2087 private static function insertContent(&$item)
2089 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2091 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2092 if (isset($item[$field])) {
2093 $fields[$field] = $item[$field];
2094 unset($item[$field]);
2098 // To avoid timing problems, we are using locks.
2099 $locked = DI::lock()->acquire('item_insert_content');
2101 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2104 // Do we already have this content?
2105 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2106 if (DBA::isResult($item_content)) {
2107 $item['icid'] = $item_content['id'];
2108 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2109 } elseif (DBA::insert('item-content', $fields)) {
2110 $item['icid'] = DBA::lastInsertId();
2111 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2113 // This shouldn't happen.
2114 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2117 DI::lock()->release('item_insert_content');
2122 * Update existing item content entries
2124 * @param array $item The item fields that are to be changed
2125 * @param array $condition The condition for finding the item content entries
2127 * @throws \Exception
2129 private static function updateActivity($item, $condition)
2131 if (empty($item['verb'])) {
2134 $activity_index = self::activityToIndex($item['verb']);
2136 if ($activity_index < 0) {
2140 $fields = ['activity' => $activity_index];
2142 Logger::log('Update activity for ' . json_encode($condition));
2144 DBA::update('item-activity', $fields, $condition, true);
2150 * Update existing item content entries
2152 * @param array $item The item fields that are to be changed
2153 * @param array $condition The condition for finding the item content entries
2154 * @throws \Exception
2156 private static function updateContent($item, $condition)
2158 // We have to select only the fields from the "item-content" table
2160 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2161 if (isset($item[$field])) {
2162 $fields[$field] = $item[$field];
2166 if (empty($fields)) {
2167 // when there are no fields at all, just use the condition
2168 // This is to ensure that we always store content.
2169 $fields = $condition;
2172 Logger::log('Update content for ' . json_encode($condition));
2174 DBA::update('item-content', $fields, $condition, true);
2178 * Distributes public items to the receivers
2180 * @param integer $itemid Item ID that should be added
2181 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2182 * @throws \Exception
2184 public static function distribute($itemid, $signed_text = '')
2186 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2187 $parent = self::selectFirst(['owner-id'], $condition);
2188 if (!DBA::isResult($parent)) {
2192 // Only distribute public items from native networks
2193 $condition = ['id' => $itemid, 'uid' => 0,
2194 'network' => array_merge(Protocol::FEDERATED ,['']),
2195 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2196 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2197 if (!DBA::isResult($item)) {
2201 $origin = $item['origin'];
2204 unset($item['parent']);
2205 unset($item['mention']);
2206 unset($item['wall']);
2207 unset($item['origin']);
2208 unset($item['starred']);
2212 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2213 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2214 if (!DBA::isResult($owner)) {
2218 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2219 $contacts = DBA::select('contact', ['uid'], $condition);
2220 while ($contact = DBA::fetch($contacts)) {
2221 if ($contact['uid'] == 0) {
2225 $users[$contact['uid']] = $contact['uid'];
2227 DBA::close($contacts);
2229 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2230 $contacts = DBA::select('contact', ['uid'], $condition);
2231 while ($contact = DBA::fetch($contacts)) {
2232 if ($contact['uid'] == 0) {
2236 $users[$contact['uid']] = $contact['uid'];
2238 DBA::close($contacts);
2240 if (!empty($owner['alias'])) {
2241 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2242 $contacts = DBA::select('contact', ['uid'], $condition);
2243 while ($contact = DBA::fetch($contacts)) {
2244 if ($contact['uid'] == 0) {
2248 $users[$contact['uid']] = $contact['uid'];
2250 DBA::close($contacts);
2255 if ($item['uri'] != $item['parent-uri']) {
2256 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2257 while ($parent = self::fetch($parents)) {
2258 $users[$parent['uid']] = $parent['uid'];
2259 if ($parent['origin'] && !$origin) {
2260 $origin_uid = $parent['uid'];
2265 foreach ($users as $uid) {
2266 if ($origin_uid == $uid) {
2267 $item['diaspora_signed_text'] = $signed_text;
2269 self::storeForUser($itemid, $item, $uid);
2274 * Store public items for the receivers
2276 * @param integer $itemid Item ID that should be added
2277 * @param array $item The item entry that will be stored
2278 * @param integer $uid The user that will receive the item entry
2279 * @throws \Exception
2281 private static function storeForUser($itemid, $item, $uid)
2283 $item['uid'] = $uid;
2284 $item['origin'] = 0;
2286 if ($item['uri'] == $item['parent-uri']) {
2287 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2289 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2292 if (empty($item['contact-id'])) {
2293 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2294 if (!DBA::isResult($self)) {
2297 $item['contact-id'] = $self['id'];
2300 /// @todo Handling of "event-id"
2303 if ($item['uri'] == $item['parent-uri']) {
2304 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2305 if (DBA::isResult($contact)) {
2306 $notify = self::isRemoteSelf($contact, $item);
2310 $distributed = self::insert($item, false, $notify, true);
2312 if (!$distributed) {
2313 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2315 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2320 * Add a shadow entry for a given item id that is a thread starter
2322 * We store every public item entry additionally with the user id "0".
2323 * This is used for the community page and for the search.
2324 * It is planned that in the future we will store public item entries only once.
2326 * @param integer $itemid Item ID that should be added
2327 * @throws \Exception
2329 public static function addShadow($itemid)
2331 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2332 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2333 $item = self::selectFirst($fields, $condition);
2335 if (!DBA::isResult($item)) {
2339 // is it already a copy?
2340 if (($itemid == 0) || ($item['uid'] == 0)) {
2344 // Is it a visible public post?
2345 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2349 // is it an entry from a connector? Only add an entry for natively connected networks
2350 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2354 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2358 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2360 if (DBA::isResult($item)) {
2361 // Preparing public shadow (removing user specific data)
2364 unset($item['parent']);
2365 unset($item['wall']);
2366 unset($item['mention']);
2367 unset($item['origin']);
2368 unset($item['starred']);
2369 unset($item['postopts']);
2370 unset($item['inform']);
2371 if ($item['uri'] == $item['parent-uri']) {
2372 $item['contact-id'] = $item['owner-id'];
2374 $item['contact-id'] = $item['author-id'];
2377 $public_shadow = self::insert($item, false, false, true);
2379 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2384 * Add a shadow entry for a given item id that is a comment
2386 * This function does the same like the function above - but for comments
2388 * @param integer $itemid Item ID that should be added
2389 * @throws \Exception
2391 public static function addShadowPost($itemid)
2393 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2394 if (!DBA::isResult($item)) {
2398 // Is it a toplevel post?
2399 if ($item['id'] == $item['parent']) {
2400 self::addShadow($itemid);
2404 // Is this a shadow entry?
2405 if ($item['uid'] == 0) {
2409 // Is there a shadow parent?
2410 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2414 // Is there already a shadow entry?
2415 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2419 // Save "origin" and "parent" state
2420 $origin = $item['origin'];
2421 $parent = $item['parent'];
2423 // Preparing public shadow (removing user specific data)
2426 unset($item['parent']);
2427 unset($item['wall']);
2428 unset($item['mention']);
2429 unset($item['origin']);
2430 unset($item['starred']);
2431 unset($item['postopts']);
2432 unset($item['inform']);
2433 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2435 $public_shadow = self::insert($item, false, false, true);
2437 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2439 // If this was a comment to a Diaspora post we don't get our comment back.
2440 // This means that we have to distribute the comment by ourselves.
2441 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2442 self::distribute($public_shadow);
2447 * Adds a language specification in a "language" element of given $arr.
2448 * Expects "body" element to exist in $arr.
2451 * @throws \Text_LanguageDetect_Exception
2453 private static function addLanguageToItemArray(&$item)
2455 $naked_body = BBCode::toPlaintext($item['body'], false);
2457 $ld = new Text_LanguageDetect();
2458 $ld->setNameMode(2);
2459 $languages = $ld->detect($naked_body, 3);
2461 if (is_array($languages)) {
2462 $item['language'] = json_encode($languages);
2467 * Creates an unique guid out of a given uri
2469 * @param string $uri uri of an item entry
2470 * @param string $host hostname for the GUID prefix
2471 * @return string unique guid
2473 public static function guidFromUri($uri, $host)
2475 // Our regular guid routine is using this kind of prefix as well
2476 // We have to avoid that different routines could accidentally create the same value
2477 $parsed = parse_url($uri);
2479 // We use a hash of the hostname as prefix for the guid
2480 $guid_prefix = hash("crc32", $host);
2482 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2483 unset($parsed["scheme"]);
2485 // Glue it together to be able to make a hash from it
2486 $host_id = implode("/", $parsed);
2488 // We could use any hash algorithm since it isn't a security issue
2489 $host_hash = hash("ripemd128", $host_id);
2491 return $guid_prefix.$host_hash;
2495 * generate an unique URI
2497 * @param integer $uid User id
2498 * @param string $guid An existing GUID (Otherwise it will be generated)
2501 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2503 public static function newURI($uid, $guid = "")
2506 $guid = System::createUUID();
2509 return DI::baseUrl()->get() . '/objects/' . $guid;
2513 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2515 * This can be used to filter for inactive contacts.
2516 * Only do this for public postings to avoid privacy problems, since poco data is public.
2517 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2519 * @param array $arr Contains the just posted item record
2520 * @throws \Exception
2522 private static function updateContact($arr)
2524 // Unarchive the author
2525 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2526 if (DBA::isResult($contact)) {
2527 Contact::unmarkForArchival($contact);
2530 // Unarchive the contact if it's not our own contact
2531 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2532 if (DBA::isResult($contact)) {
2533 Contact::unmarkForArchival($contact);
2536 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2538 // Is it a forum? Then we don't care about the rules from above
2539 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2540 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2546 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2547 ['id' => $arr['contact-id']]);
2549 // Now do the same for the system wide contacts with uid=0
2550 if (!$arr['private']) {
2551 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2552 ['id' => $arr['owner-id']]);
2554 if ($arr['owner-id'] != $arr['author-id']) {
2555 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2556 ['id' => $arr['author-id']]);
2561 public static function setHashtags(&$item)
2563 $tags = BBCode::getTags($item["body"]);
2566 if (!count($tags)) {
2570 // What happens in [code], stays in [code]!
2571 // escape the # and the [
2572 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2573 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2575 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2577 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2578 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2581 // This sorting is important when there are hashtags that are part of other hashtags
2582 // Otherwise there could be problems with hashtags like #test and #test2
2585 $URLSearchString = "^\[\]";
2587 // All hashtags should point to the home server if "local_tags" is activated
2588 if (DI::config()->get('system', 'local_tags')) {
2589 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2590 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2592 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2593 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2596 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2597 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2599 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2602 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2604 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2607 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2609 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2612 // Repair recursive urls
2613 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2614 "#$2", $item["body"]);
2616 foreach ($tags as $tag) {
2617 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2621 $basetag = str_replace('_',' ',substr($tag,1));
2622 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2624 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2626 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2627 if (strlen($item["tag"])) {
2628 $item["tag"] = ',' . $item["tag"];
2630 $item["tag"] = $newtag . $item["tag"];
2634 // Convert back the masked hashtags
2635 $item["body"] = str_replace("#", "#", $item["body"]);
2637 // Remember! What happens in [code], stays in [code]
2638 // roleback the # and [
2639 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2641 // we truly unESCape all sharp and leftsquarebracket
2642 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2643 $replace = ['#', '['];
2644 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2649 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2652 * @param int $item_id
2653 * @return boolean true if item was deleted, else false
2654 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2655 * @throws \ImagickException
2657 private static function tagDeliver($uid, $item_id)
2661 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2662 if (!DBA::isResult($user)) {
2666 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2667 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2669 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2670 if (!DBA::isResult($item)) {
2674 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2677 * Diaspora uses their own hardwired link URL in @-tags
2678 * instead of the one we supply with webfinger
2680 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2682 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2684 foreach ($matches as $mtch) {
2685 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2687 Logger::log('mention found: ' . $mtch[2]);
2693 if (($community_page || $prvgroup) &&
2694 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2695 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2697 Logger::log("no-mention top-level post to community or private group. delete.");
2698 DBA::delete('item', ['id' => $item_id]);
2704 $arr = ['item' => $item, 'user' => $user];
2706 Hook::callAll('tagged', $arr);
2708 if (!$community_page && !$prvgroup) {
2713 * tgroup delivery - setup a second delivery chain
2714 * prevent delivery looping - only proceed
2715 * if the message originated elsewhere and is a top-level post
2717 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2721 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2722 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2723 if (!DBA::isResult($self)) {
2727 $owner_id = Contact::getIdForURL($self['url']);
2729 // also reset all the privacy bits to the forum default permissions
2731 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2733 $psid = PermissionSet::fetchIDForPost($user);
2735 $forum_mode = ($prvgroup ? 2 : 1);
2737 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2738 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2739 self::update($fields, ['id' => $item_id]);
2741 self::updateThread($item_id);
2743 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2748 public static function isRemoteSelf($contact, &$datarray)
2750 if (!$contact['remote_self']) {
2754 // Prevent the forwarding of posts that are forwarded
2755 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2756 Logger::log('Already forwarded', Logger::DEBUG);
2760 // Prevent to forward already forwarded posts
2761 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2762 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2766 // Only forward posts
2767 if ($datarray["verb"] != Activity::POST) {
2768 Logger::log('No post', Logger::DEBUG);
2772 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2773 Logger::log('Not public', Logger::DEBUG);
2777 $datarray2 = $datarray;
2778 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2779 if ($contact['remote_self'] == 2) {
2780 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2781 ['uid' => $contact['uid'], 'self' => true]);
2782 if (DBA::isResult($self)) {
2783 $datarray['contact-id'] = $self["id"];
2785 $datarray['owner-name'] = $self["name"];
2786 $datarray['owner-link'] = $self["url"];
2787 $datarray['owner-avatar'] = $self["thumb"];
2789 $datarray['author-name'] = $datarray['owner-name'];
2790 $datarray['author-link'] = $datarray['owner-link'];
2791 $datarray['author-avatar'] = $datarray['owner-avatar'];
2793 unset($datarray['edited']);
2795 unset($datarray['network']);
2796 unset($datarray['owner-id']);
2797 unset($datarray['author-id']);
2800 if ($contact['network'] != Protocol::FEED) {
2801 $datarray["guid"] = System::createUUID();
2802 unset($datarray["plink"]);
2803 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2804 $datarray["parent-uri"] = $datarray["uri"];
2805 $datarray["thr-parent"] = $datarray["uri"];
2806 $datarray["extid"] = Protocol::DFRN;
2807 $urlpart = parse_url($datarray2['author-link']);
2808 $datarray["app"] = $urlpart["host"];
2810 $datarray['private'] = 0;
2814 if ($contact['network'] != Protocol::FEED) {
2815 // Store the original post
2816 $result = self::insert($datarray2, false, false);
2817 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2819 $datarray["app"] = "Feed";
2823 // Trigger automatic reactions for addons
2824 $datarray['api_source'] = true;
2826 // We have to tell the hooks who we are - this really should be improved
2827 $_SESSION["authenticated"] = true;
2828 $_SESSION["uid"] = $contact['uid'];
2837 * @param array $item
2840 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2841 * @throws \ImagickException
2843 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2845 if (DI::config()->get('system', 'disable_embedded')) {
2849 Logger::log('check for photos', Logger::DEBUG);
2850 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2855 $img_start = strpos($orig_body, '[img');
2856 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2857 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2859 while (($img_st_close !== false) && ($img_len !== false)) {
2860 $img_st_close++; // make it point to AFTER the closing bracket
2861 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2863 Logger::log('found photo ' . $image, Logger::DEBUG);
2865 if (stristr($image, $site . '/photo/')) {
2866 // Only embed locally hosted photos
2868 $i = basename($image);
2869 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2870 $x = strpos($i, '-');
2873 $res = substr($i, $x + 1);
2874 $i = substr($i, 0, $x);
2875 $photo = Photo::getPhotoForUser($uid, $i, $res);
2876 if (DBA::isResult($photo)) {
2878 * Check to see if we should replace this photo link with an embedded image
2879 * 1. No need to do so if the photo is public
2880 * 2. If there's a contact-id provided, see if they're in the access list
2881 * for the photo. If so, embed it.
2882 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2883 * permissions, regardless of order but first check to see if they're an exact
2884 * match to save some processing overhead.
2886 if (self::hasPermissions($photo)) {
2888 $recips = self::enumeratePermissions($photo);
2889 if (in_array($cid, $recips)) {
2893 if (self::samePermissions($uid, $item, $photo)) {
2899 $photo_img = Photo::getImageForPhoto($photo);
2900 // If a custom width and height were specified, apply before embedding
2901 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2902 Logger::log('scaling photo', Logger::DEBUG);
2904 $width = intval($match[1]);
2905 $height = intval($match[2]);
2907 $photo_img->scaleDown(max($width, $height));
2910 $data = $photo_img->asString();
2911 $type = $photo_img->getType();
2913 Logger::log('replacing photo', Logger::DEBUG);
2914 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2915 Logger::log('replaced: ' . $image, Logger::DATA);
2921 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2922 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2923 if ($orig_body === false) {
2927 $img_start = strpos($orig_body, '[img');
2928 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2929 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2932 $new_body = $new_body . $orig_body;
2937 private static function hasPermissions($obj)
2939 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2940 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2943 private static function samePermissions($uid, $obj1, $obj2)
2945 // first part is easy. Check that these are exactly the same.
2946 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2947 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2948 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2949 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2953 // This is harder. Parse all the permissions and compare the resulting set.
2954 $recipients1 = self::enumeratePermissions($obj1);
2955 $recipients2 = self::enumeratePermissions($obj2);
2959 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2960 return ($recipients1 == $recipients2);
2964 * Returns an array of contact-ids that are allowed to see this object
2966 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2967 * @param bool $check_dead Prunes unavailable contacts from the result
2969 * @throws \Exception
2971 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2973 $aclFormater = DI::aclFormatter();
2975 $allow_people = $aclFormater->expand($obj['allow_cid']);
2976 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2977 $deny_people = $aclFormater->expand($obj['deny_cid']);
2978 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2979 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2980 $deny = array_unique(array_merge($deny_people, $deny_groups));
2981 $recipients = array_diff($recipients, $deny);
2985 public static function getFeedTags($item)
2989 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2991 for ($x = 0; $x < $cnt; $x ++) {
2992 if ($matches[1][$x]) {
2993 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2998 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3000 for ($x = 0; $x < $cnt; $x ++) {
3001 if ($matches[1][$x]) {
3002 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3009 public static function expire($uid, $days, $network = "", $force = false)
3011 if (!$uid || ($days < 1)) {
3015 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3016 $uid, GRAVITY_PARENT];
3019 * $expire_network_only = save your own wall posts
3020 * and just expire conversations started by others
3022 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3024 if ($expire_network_only) {
3025 $condition[0] .= " AND NOT `wall`";
3028 if ($network != "") {
3029 $condition[0] .= " AND `network` = ?";
3030 $condition[] = $network;
3033 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3034 $condition[] = $days;
3036 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3038 if (!DBA::isResult($items)) {
3042 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3044 // Forcing expiring of items - but not notes and marked items
3046 $expire_items = true;
3049 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3050 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3051 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3055 while ($item = Item::fetch($items)) {
3056 // don't expire filed items
3058 if (strpos($item['file'], '[') !== false) {
3062 // Only expire posts, not photos and photo comments
3064 if (!$expire_photos && strlen($item['resource-id'])) {
3066 } elseif (!$expire_starred && intval($item['starred'])) {
3068 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3070 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3074 self::deleteById($item['id'], PRIORITY_LOW);
3079 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3082 public static function firstPostDate($uid, $wall = false)
3084 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3085 $params = ['order' => ['received' => false]];
3086 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3087 if (DBA::isResult($thread)) {
3088 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3094 * add/remove activity to an item
3096 * Toggle activities as like,dislike,attend of an item
3098 * @param string $item_id
3099 * @param string $verb
3100 * Activity verb. One of
3101 * like, unlike, dislike, undislike, attendyes, unattendyes,
3102 * attendno, unattendno, attendmaybe, unattendmaybe
3104 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3105 * @throws \ImagickException
3106 * @hook 'post_local_end'
3108 * 'post_id' => ID of posted item
3110 public static function performLike($item_id, $verb)
3112 if (!Session::isAuthenticated()) {
3119 $activity = Activity::LIKE;
3123 $activity = Activity::DISLIKE;
3127 $activity = Activity::ATTEND;
3131 $activity = Activity::ATTENDNO;
3134 case 'unattendmaybe':
3135 $activity = Activity::ATTENDMAYBE;
3138 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3142 // Enable activity toggling instead of on/off
3143 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3145 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3147 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3148 if (!DBA::isResult($item)) {
3149 Logger::log('like: unknown item ' . $item_id);
3153 $item_uri = $item['uri'];
3155 $uid = $item['uid'];
3156 if (($uid == 0) && local_user()) {
3157 $uid = local_user();
3160 if (!Security::canWriteToUserWall($uid)) {
3161 Logger::log('like: unable to write on wall ' . $uid);
3165 // Retrieves the local post owner
3166 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3167 if (!DBA::isResult($owner_self_contact)) {
3168 Logger::log('like: unknown owner ' . $uid);
3172 // Retrieve the current logged in user's public contact
3173 $author_id = public_contact();
3175 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3176 if (!DBA::isResult($author_contact)) {
3177 Logger::log('like: unknown author ' . $author_id);
3181 // Contact-id is the uid-dependant author contact
3182 if (local_user() == $uid) {
3183 $item_contact_id = $owner_self_contact['id'];
3185 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3186 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3187 if (!DBA::isResult($item_contact)) {
3188 Logger::log('like: unknown item contact ' . $item_contact_id);
3193 // Look for an existing verb row
3194 // event participation are essentially radio toggles. If you make a subsequent choice,
3195 // we need to eradicate your first choice.
3196 if ($event_verb_flag) {
3197 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3199 // Translate to the index based activity index
3201 foreach ($verbs as $verb) {
3202 $activities[] = self::activityToIndex($verb);
3205 $activities = self::activityToIndex($activity);
3208 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3209 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3211 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3213 // If it exists, mark it as deleted
3214 if (DBA::isResult($like_item)) {
3215 self::deleteById($like_item['id']);
3217 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3222 // Verb is "un-something", just trying to delete existing entries
3223 if (strpos($verb, 'un') === 0) {
3227 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3230 'guid' => System::createUUID(),
3231 'uri' => self::newURI($item['uid']),
3232 'uid' => $item['uid'],
3233 'contact-id' => $item_contact_id,
3234 'wall' => $item['wall'],
3236 'network' => Protocol::DFRN,
3237 'gravity' => GRAVITY_ACTIVITY,
3238 'parent' => $item['id'],
3239 'parent-uri' => $item['uri'],
3240 'thr-parent' => $item['uri'],
3241 'owner-id' => $author_id,
3242 'author-id' => $author_id,
3243 'body' => $activity,
3244 'verb' => $activity,
3245 'object-type' => $objtype,
3246 'allow_cid' => $item['allow_cid'],
3247 'allow_gid' => $item['allow_gid'],
3248 'deny_cid' => $item['deny_cid'],
3249 'deny_gid' => $item['deny_gid'],
3254 $signed = Diaspora::createLikeSignature($uid, $new_item);
3255 if (!empty($signed)) {
3256 $new_item['diaspora_signed_text'] = json_encode($signed);
3259 $new_item_id = self::insert($new_item);
3261 // If the parent item isn't visible then set it to visible
3262 if (!$item['visible']) {
3263 self::update(['visible' => true], ['id' => $item['id']]);
3266 $new_item['id'] = $new_item_id;
3268 Hook::callAll('post_local_end', $new_item);
3273 private static function addThread($itemid, $onlyshadow = false)
3275 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3276 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3277 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3278 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3279 $item = self::selectFirst($fields, $condition);
3281 if (!DBA::isResult($item)) {
3285 $item['iid'] = $itemid;
3288 $result = DBA::insert('thread', $item);
3290 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3294 private static function updateThread($itemid, $setmention = false)
3296 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3297 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3298 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3299 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3301 $item = self::selectFirst($fields, $condition);
3302 if (!DBA::isResult($item)) {
3307 $item["mention"] = 1;
3312 foreach ($item as $field => $data) {
3313 if (!in_array($field, ["guid"])) {
3314 $fields[$field] = $data;
3318 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3320 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3323 private static function deleteThread($itemid, $itemuri = "")
3325 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3326 if (!DBA::isResult($item)) {
3327 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3331 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3333 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3335 if ($itemuri != "") {
3336 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3337 if (!self::exists($condition)) {
3338 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3339 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3344 public static function getPermissionsSQLByUserId($owner_id)
3346 $local_user = local_user();
3347 $remote_user = Session::getRemoteContactID($owner_id);
3350 * Construct permissions
3352 * default permissions - anonymous user
3354 $sql = " AND NOT `item`.`private`";
3356 // Profile owner - everything is visible
3357 if ($local_user && ($local_user == $owner_id)) {
3359 } elseif ($remote_user) {
3361 * Authenticated visitor. Unless pre-verified,
3362 * check that the contact belongs to this $owner_id
3363 * and load the groups the visitor belongs to.
3364 * If pre-verified, the caller is expected to have already
3365 * done this and passed the groups into this function.
3367 $set = PermissionSet::get($owner_id, $remote_user);
3370 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3375 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3382 * get translated item type
3387 public static function postType($item)
3389 if (!empty($item['event-id'])) {
3390 return DI::l10n()->t('event');
3391 } elseif (!empty($item['resource-id'])) {
3392 return DI::l10n()->t('photo');
3393 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3394 return DI::l10n()->t('activity');
3395 } elseif ($item['id'] != $item['parent']) {
3396 return DI::l10n()->t('comment');
3399 return DI::l10n()->t('post');
3403 * Sets the "rendered-html" field of the provided item
3405 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3407 * @param array $item
3408 * @param bool $update
3410 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3411 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3413 public static function putInCache(&$item, $update = false)
3415 $body = $item["body"];
3417 $rendered_hash = $item['rendered-hash'] ?? '';
3418 $rendered_html = $item['rendered-html'] ?? '';
3420 if ($rendered_hash == ''
3421 || $rendered_html == ""
3422 || $rendered_hash != hash("md5", $item["body"])
3423 || DI::config()->get("system", "ignore_cache")
3425 self::addRedirToImageTags($item);
3427 $item["rendered-html"] = BBCode::convert($item["body"]);
3428 $item["rendered-hash"] = hash("md5", $item["body"]);
3430 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3431 Hook::callAll('put_item_in_cache', $hook_data);
3432 $item['rendered-html'] = $hook_data['rendered-html'];
3433 $item['rendered-hash'] = $hook_data['rendered-hash'];
3436 // Force an update if the generated values differ from the existing ones
3437 if ($rendered_hash != $item["rendered-hash"]) {
3441 // Only compare the HTML when we forcefully ignore the cache
3442 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3446 if ($update && !empty($item["id"])) {
3449 'rendered-html' => $item["rendered-html"],
3450 'rendered-hash' => $item["rendered-hash"]
3452 ['id' => $item["id"]]
3457 $item["body"] = $body;
3461 * Find any non-embedded images in private items and add redir links to them
3463 * @param array &$item The field array of an item row
3465 private static function addRedirToImageTags(array &$item)
3470 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3472 foreach ($matches as $mtch) {
3473 if (strpos($mtch[1], '/redir') !== false) {
3477 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3478 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3479 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3486 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3487 * If attach is true, also add icons for item attachments.
3489 * @param array $item
3490 * @param boolean $attach
3491 * @param boolean $is_preview
3492 * @return string item body html
3493 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3494 * @throws \ImagickException
3495 * @hook prepare_body_init item array before any work
3496 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3497 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3498 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3500 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3503 Hook::callAll('prepare_body_init', $item);
3505 // In order to provide theme developers more possibilities, event items
3506 // are treated differently.
3507 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3508 $ev = Event::getItemHTML($item);
3512 $tags = Term::populateTagsFromItem($item);
3514 $item['tags'] = $tags['tags'];
3515 $item['hashtags'] = $tags['hashtags'];
3516 $item['mentions'] = $tags['mentions'];
3518 // Compile eventual content filter reasons
3519 $filter_reasons = [];
3520 if (!$is_preview && public_contact() != $item['author-id']) {
3521 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3522 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3527 'filter_reasons' => $filter_reasons
3529 Hook::callAll('prepare_body_content_filter', $hook_data);
3530 $filter_reasons = $hook_data['filter_reasons'];
3534 // Update the cached values if there is no "zrl=..." on the links.
3535 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3537 // Or update it if the current viewer is the intented viewer.
3538 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3542 self::putInCache($item, $update);
3543 $s = $item["rendered-html"];
3548 'preview' => $is_preview,
3549 'filter_reasons' => $filter_reasons
3551 Hook::callAll('prepare_body', $hook_data);
3552 $s = $hook_data['html'];
3556 // Replace the blockquotes with quotes that are used in mails.
3557 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3558 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3565 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3566 foreach ($matches as $mtch) {
3569 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3571 if (strpos($mime, 'video') !== false) {
3574 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3577 $url_parts = explode('/', $the_url);
3578 $id = end($url_parts);
3579 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3582 'title' => DI::l10n()->t('View Video'),
3589 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3591 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3592 $filesubtype = str_replace('.', '-', $filesubtype);
3595 $filesubtype = 'unkn';
3598 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3599 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3601 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3602 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3606 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3610 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3611 $x = Map::byCoordinates(trim($item['coord']));
3613 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3617 // Replace friendica image url size with theme preference.
3618 if (!empty($a->theme_info['item_image_size'])) {
3619 $ps = $a->theme_info['item_image_size'];
3620 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3623 $s = HTML::applyContentFilter($s, $filter_reasons);
3625 $hook_data = ['item' => $item, 'html' => $s];
3626 Hook::callAll('prepare_body_final', $hook_data);
3628 return $hook_data['html'];
3632 * get private link for item
3634 * @param array $item
3635 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3636 * @throws \Exception
3638 public static function getPlink($item)
3642 if ($a->user['nickname'] != "") {
3644 'href' => "display/" . $item['guid'],
3645 'orig' => "display/" . $item['guid'],
3646 'title' => DI::l10n()->t('View on separate page'),
3647 'orig_title' => DI::l10n()->t('view on separate page'),
3650 if (!empty($item['plink'])) {
3651 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3652 $ret["title"] = DI::l10n()->t('link to source');
3655 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3657 'href' => $item['plink'],
3658 'orig' => $item['plink'],
3659 'title' => DI::l10n()->t('link to source'),
3669 * Is the given item array a post that is sent as starting post to a forum?
3671 * @param array $item
3672 * @param array $owner
3674 * @return boolean "true" when it is a forum post
3676 public static function isForumPost(array $item, array $owner = [])
3678 if (empty($owner)) {
3679 $owner = User::getOwnerDataById($item['uid']);
3680 if (empty($owner)) {
3685 if (($item['author-id'] == $item['owner-id']) ||
3686 ($owner['id'] == $item['contact-id']) ||
3687 ($item['uri'] != $item['parent-uri']) ||
3692 return Contact::isForum($item['contact-id']);
3696 * Search item id for given URI or plink
3698 * @param string $uri
3699 * @param integer $uid
3701 * @return integer item id
3703 public static function searchByLink($uri, $uid = 0)
3705 $ssl_uri = str_replace('http://', 'https://', $uri);
3706 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3708 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3709 if (DBA::isResult($item)) {
3713 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3714 if (!DBA::isResult($itemcontent)) {
3718 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3719 if (!DBA::isResult($itemuri)) {
3723 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3724 if (DBA::isResult($item)) {
3732 * Fetches item for given URI or plink
3734 * @param string $uri
3735 * @param integer $uid
3737 * @return integer item id
3739 public static function fetchByLink($uri, $uid = 0)
3741 $item_id = self::searchByLink($uri, $uid);
3742 if (!empty($item_id)) {
3746 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3747 $item_id = self::searchByLink($uri, $uid);
3749 $item_id = Diaspora::fetchByURL($uri);
3752 if (!empty($item_id)) {
3760 * Return share data from an item array (if the item is shared item)
3761 * We are providing the complete Item array, because at some time in the future
3762 * we hopefully will define these values not in the body anymore but in some item fields.
3763 * This function is meant to replace all similar functions in the system.
3765 * @param array $item
3767 * @return array with share information
3769 public static function getShareArray($item)
3771 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3775 $attribute_string = $matches[2];
3776 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3777 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3778 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3779 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3786 * Fetch item information for shared items from the original items and adds it.
3788 * @param array $item
3790 * @return array item array with data from the original item
3792 public static function addShareDataFromOriginal($item)
3794 $shared = self::getShareArray($item);
3795 if (empty($shared)) {
3799 // Real reshares always have got a GUID.
3800 if (empty($shared['guid'])) {
3804 $uid = $item['uid'] ?? 0;
3806 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3807 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3808 if (!DBA::isResult($shared_item)) {
3809 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3810 $id = self::fetchByLink($shared['link'], $uid);
3812 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3816 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3817 if (!DBA::isResult($shared_item)) {
3820 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3822 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3825 if (!empty($shared_item['title'])) {
3826 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3827 unset($shared_item['title']);
3829 $body = $shared_item['body'];
3832 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3833 unset($shared_item['body']);
3835 return array_merge($item, $shared_item);