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\Hook;
12 use Friendica\Core\Logger;
13 use Friendica\Core\Protocol;
14 use Friendica\Core\Renderer;
15 use Friendica\Core\Session;
16 use Friendica\Core\System;
17 use Friendica\Core\Worker;
18 use Friendica\Database\DBA;
20 use Friendica\Protocol\Activity;
21 use Friendica\Protocol\ActivityPub;
22 use Friendica\Protocol\Diaspora;
23 use Friendica\Protocol\OStatus;
24 use Friendica\Util\DateTimeFormat;
25 use Friendica\Util\Map;
26 use Friendica\Util\Network;
27 use Friendica\Util\Security;
28 use Friendica\Util\Strings;
29 use Friendica\Util\XML;
30 use Friendica\Worker\Delivery;
31 use Text_LanguageDetect;
35 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
42 const PT_DOCUMENT = 19;
44 const PT_PERSONAL_NOTE = 128;
46 // Field list that is used to display the items
47 const DISPLAY_FIELDLIST = [
48 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
49 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
50 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
51 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
52 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
53 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
54 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
55 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
56 'writable', 'self', 'cid', 'alias', 'pinned',
57 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
58 'event-summary', 'event-desc', 'event-location', 'event-type',
59 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
60 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
63 // Field list that is used to deliver items via the protocols
64 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
65 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
66 'private', 'title', 'body', 'location', 'coord', 'app',
67 'attach', 'tag', 'deleted', 'extid', 'post-type',
68 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
69 'author-id', 'author-link', 'owner-link', 'contact-uid',
70 'signed_text', 'signature', 'signer', 'network'];
72 // Field list for "item-content" table that is mixed with the item table
73 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
74 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
75 'object-type', 'object', 'target-type', 'target', 'plink'];
77 // Field list for "item-content" table that is not present in the "item" table
78 const CONTENT_FIELDLIST = ['language'];
80 // All fields in the item table
81 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
82 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
83 'created', 'edited', 'commented', 'received', 'changed', 'verb',
84 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
85 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
86 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
87 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
88 'title', 'content-warning', 'body', 'location', 'coord', 'app',
89 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
90 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
91 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
93 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
94 // The item-activity table only stores the index and needs this array to know the matching activity.
96 Activity::LIKE, Activity::DISLIKE,
97 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
101 private static $legacy_mode = null;
103 public static function isLegacyMode()
105 if (is_null(self::$legacy_mode)) {
106 self::$legacy_mode = (DI::config()->get("system", "post_update_version") < 1279);
109 return self::$legacy_mode;
113 * Set the pinned state of an item
115 * @param integer $iid Item ID
116 * @param integer $uid User ID
117 * @param boolean $pinned Pinned state
119 public static function setPinned(int $iid, int $uid, bool $pinned)
121 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
125 * Get the pinned state
127 * @param integer $iid Item ID
128 * @param integer $uid User ID
130 * @return boolean pinned state
132 public static function getPinned(int $iid, int $uid)
134 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
135 if (!DBA::isResult($useritem)) {
138 return (bool)$useritem['pinned'];
142 * Select pinned rows from the item table for a given user
144 * @param integer $uid User ID
145 * @param array $selected Array of selected fields, empty for all
146 * @param array $condition Array of fields for condition
147 * @param array $params Array of several parameters
149 * @return boolean|object
152 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
154 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
155 if (!DBA::isResult($useritems)) {
160 while ($useritem = self::fetch($useritems)) {
161 $pinned[] = $useritem['iid'];
163 DBA::close($useritems);
165 if (empty($pinned)) {
169 if (empty($condition) || !is_array($condition)) {
170 $condition = ['iid' => $pinned];
173 $first_key = key($condition);
174 if (!is_int($first_key)) {
175 $condition['iid'] = $pinned;
177 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
178 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
179 $condition = array_merge($condition, $pinned);
183 return self::selectThreadForUser($uid, $selected, $condition, $params);
187 * returns an activity index from an activity string
189 * @param string $activity activity string
190 * @return integer Activity index
192 public static function activityToIndex($activity)
194 $index = array_search($activity, self::ACTIVITIES);
196 if (is_bool($index)) {
204 * returns an activity string from an activity index
206 * @param integer $index activity index
207 * @return string Activity string
209 private static function indexToActivity($index)
211 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
215 return self::ACTIVITIES[$index];
219 * Fetch a single item row
221 * @param mixed $stmt statement object
222 * @return array current row
224 public static function fetch($stmt)
226 $row = DBA::fetch($stmt);
232 // ---------------------- Transform item structure data ----------------------
234 // We prefer the data from the user's contact over the public one
235 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
236 ($row['author-link'] == $row['contact-link'])) {
237 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
238 $row['author-avatar'] = $row['contact-avatar'];
240 if (isset($row['author-name']) && !empty($row['contact-name'])) {
241 $row['author-name'] = $row['contact-name'];
245 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
246 ($row['owner-link'] == $row['contact-link'])) {
247 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
248 $row['owner-avatar'] = $row['contact-avatar'];
250 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
251 $row['owner-name'] = $row['contact-name'];
255 // We can always comment on posts from these networks
256 if (array_key_exists('writable', $row) &&
257 in_array($row['internal-network'], Protocol::FEDERATED)) {
258 $row['writable'] = true;
261 // ---------------------- Transform item content data ----------------------
263 // Fetch data from the item-content table whenever there is content there
264 if (self::isLegacyMode()) {
265 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
266 foreach ($legacy_fields as $field) {
267 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
268 $row[$field] = $row['internal-item-' . $field];
270 unset($row['internal-item-' . $field]);
274 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
275 $row['verb'] = self::indexToActivity($row['internal-activity']);
276 if (array_key_exists('title', $row)) {
279 if (array_key_exists('body', $row)) {
280 $row['body'] = $row['verb'];
282 if (array_key_exists('object', $row)) {
285 if (array_key_exists('object-type', $row)) {
286 $row['object-type'] = Activity\ObjectType::NOTE;
288 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
289 // Posts don't have a target - but having tags or files.
290 // We safe some performance by building tag and file strings only here.
291 // We remove the target since they aren't used for this type.
292 // In mail posts we do store some mail header data in the object.
293 if (array_key_exists('target', $row)) {
298 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
299 // Build the tag string out of the term entries
300 if (array_key_exists('tag', $row) && empty($row['tag'])) {
301 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
304 // Build the file string out of the term entries
305 if (array_key_exists('file', $row) && empty($row['file'])) {
306 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
310 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
311 $row['signed_text'] = $row['interaction'];
314 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
315 $row['ignored'] = $row['internal-user-ignored'];
318 // Remove internal fields
319 unset($row['internal-activity']);
320 unset($row['internal-network']);
321 unset($row['internal-iid']);
322 unset($row['internal-iaid']);
323 unset($row['internal-icid']);
324 unset($row['internal-user-ignored']);
325 unset($row['interaction']);
331 * Fills an array with data from an item query
333 * @param object $stmt statement object
334 * @param bool $do_close
335 * @return array Data array
337 public static function inArray($stmt, $do_close = true) {
338 if (is_bool($stmt)) {
343 while ($row = self::fetch($stmt)) {
353 * Check if item data exists
355 * @param array $condition array of fields for condition
357 * @return boolean Are there rows for that condition?
360 public static function exists($condition) {
361 $stmt = self::select(['id'], $condition, ['limit' => 1]);
363 if (is_bool($stmt)) {
366 $retval = (DBA::numRows($stmt) > 0);
375 * Retrieve a single record from the item table for a given user and returns it in an associative array
377 * @param integer $uid User ID
378 * @param array $selected
379 * @param array $condition
380 * @param array $params
385 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
387 $params['uid'] = $uid;
389 if (empty($selected)) {
390 $selected = Item::DISPLAY_FIELDLIST;
393 return self::selectFirst($selected, $condition, $params);
397 * Select rows from the item table for a given user
399 * @param integer $uid User ID
400 * @param array $selected Array of selected fields, empty for all
401 * @param array $condition Array of fields for condition
402 * @param array $params Array of several parameters
404 * @return boolean|object
407 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
409 $params['uid'] = $uid;
411 if (empty($selected)) {
412 $selected = Item::DISPLAY_FIELDLIST;
415 return self::select($selected, $condition, $params);
419 * Retrieve a single record from the item table and returns it in an associative array
421 * @param array $fields
422 * @param array $condition
423 * @param array $params
428 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
430 $params['limit'] = 1;
432 $result = self::select($fields, $condition, $params);
434 if (is_bool($result)) {
437 $row = self::fetch($result);
444 * Select rows from the item table and returns them as an array
446 * @param array $selected Array of selected fields, empty for all
447 * @param array $condition Array of fields for condition
448 * @param array $params Array of several parameters
453 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
455 $result = self::select($fields, $condition, $params);
457 if (is_bool($result)) {
462 while ($row = self::fetch($result)) {
471 * Select rows from the item table
473 * @param array $selected Array of selected fields, empty for all
474 * @param array $condition Array of fields for condition
475 * @param array $params Array of several parameters
477 * @return boolean|object
480 public static function select(array $selected = [], array $condition = [], $params = [])
485 if (isset($params['uid'])) {
486 $uid = $params['uid'];
490 $fields = self::fieldlist($usermode);
492 $select_fields = self::constructSelectFields($fields, $selected);
494 $condition_string = DBA::buildCondition($condition);
496 $condition_string = self::addTablesToFields($condition_string, $fields);
499 $condition_string = $condition_string . ' AND ' . self::condition(false);
502 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
504 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
506 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
508 return DBA::p($sql, $condition);
512 * Select rows from the starting post in the item table
514 * @param integer $uid User ID
515 * @param array $selected
516 * @param array $condition Array of fields for condition
517 * @param array $params Array of several parameters
519 * @return boolean|object
522 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
524 $params['uid'] = $uid;
526 if (empty($selected)) {
527 $selected = Item::DISPLAY_FIELDLIST;
530 return self::selectThread($selected, $condition, $params);
534 * Retrieve a single record from the starting post in the item table and returns it in an associative array
536 * @param integer $uid User ID
537 * @param array $selected
538 * @param array $condition
539 * @param array $params
544 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
546 $params['uid'] = $uid;
548 if (empty($selected)) {
549 $selected = Item::DISPLAY_FIELDLIST;
552 return self::selectFirstThread($selected, $condition, $params);
556 * Retrieve a single record from the starting post in the item table and returns it in an associative array
558 * @param array $fields
559 * @param array $condition
560 * @param array $params
565 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
567 $params['limit'] = 1;
568 $result = self::selectThread($fields, $condition, $params);
570 if (is_bool($result)) {
573 $row = self::fetch($result);
580 * Select rows from the starting post in the item table
582 * @param array $selected Array of selected fields, empty for all
583 * @param array $condition Array of fields for condition
584 * @param array $params Array of several parameters
586 * @return boolean|object
589 public static function selectThread(array $selected = [], array $condition = [], $params = [])
594 if (isset($params['uid'])) {
595 $uid = $params['uid'];
599 $fields = self::fieldlist($usermode);
601 $fields['thread'] = ['mention', 'ignored', 'iid'];
603 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
604 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
605 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
606 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
608 $select_fields = self::constructSelectFields($fields, $selected);
610 $condition_string = DBA::buildCondition($condition);
612 $condition_string = self::addTablesToFields($condition_string, $threadfields);
613 $condition_string = self::addTablesToFields($condition_string, $fields);
616 $condition_string = $condition_string . ' AND ' . self::condition(true);
619 $param_string = DBA::buildParameter($params);
620 $param_string = self::addTablesToFields($param_string, $threadfields);
621 $param_string = self::addTablesToFields($param_string, $fields);
623 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
625 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
627 return DBA::p($sql, $condition);
631 * Returns a list of fields that are associated with the item table
634 * @return array field list
636 private static function fieldlist($usermode)
640 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
641 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
642 'created', 'edited', 'commented', 'received', 'changed', 'psid',
643 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
644 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
645 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
646 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
647 'network' => 'internal-network', 'icid' => 'internal-icid',
648 'iaid' => 'internal-iaid'];
651 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
654 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
656 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
658 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
660 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
662 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
663 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
665 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
666 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
668 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
669 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
670 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
672 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
674 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
676 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
677 'start' => 'event-start','finish' => 'event-finish',
678 'summary' => 'event-summary','desc' => 'event-desc',
679 'location' => 'event-location', 'type' => 'event-type',
680 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
681 'ignore' => 'event-ignore', 'id' => 'event-id'];
683 $fields['sign'] = ['signed_text', 'signature', 'signer'];
685 $fields['diaspora-interaction'] = ['interaction'];
691 * Returns SQL condition for the "select" functions
693 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
695 * @return string SQL condition
697 private static function condition($thread_mode)
700 $master_table = "`thread`";
702 $master_table = "`item`";
704 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
705 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
706 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
707 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
708 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
709 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
710 GRAVITY_PARENT, GRAVITY_PARENT);
714 * Returns all needed "JOIN" commands for the "select" functions
716 * @param integer $uid User ID
717 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
718 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
721 * @return string The SQL joins for the "select" functions
723 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
726 $master_table = "`thread`";
727 $master_table_key = "`thread`.`iid`";
728 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
730 $master_table = "`item`";
731 $master_table_key = "`item`.`id`";
736 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
737 AND NOT `contact`.`blocked`
738 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
739 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
740 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
741 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
742 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
743 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
744 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
745 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
747 if (strpos($sql_commands, "`contact`.") !== false) {
748 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
750 if (strpos($sql_commands, "`author`.") !== false) {
751 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
753 if (strpos($sql_commands, "`owner`.") !== false) {
754 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
758 if (strpos($sql_commands, "`group_member`.") !== false) {
759 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
762 if (strpos($sql_commands, "`user`.") !== false) {
763 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
766 if (strpos($sql_commands, "`event`.") !== false) {
767 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
770 if (strpos($sql_commands, "`sign`.") !== false) {
771 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
774 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
775 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
778 if (strpos($sql_commands, "`item-activity`.") !== false) {
779 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
782 if (strpos($sql_commands, "`item-content`.") !== false) {
783 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
786 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
787 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
790 if (strpos($sql_commands, "`permissionset`.") !== false) {
791 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
794 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
795 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
798 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
799 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
806 * Add the field list for the "select" functions
808 * @param array $fields The field definition array
809 * @param array $selected The array with the selected fields from the "select" functions
811 * @return string The field list
813 private static function constructSelectFields($fields, $selected)
815 if (!empty($selected)) {
816 $selected[] = 'internal-iid';
817 $selected[] = 'internal-iaid';
818 $selected[] = 'internal-icid';
819 $selected[] = 'internal-network';
822 if (in_array('verb', $selected)) {
823 $selected[] = 'internal-activity';
826 if (in_array('ignored', $selected)) {
827 $selected[] = 'internal-user-ignored';
830 if (in_array('signed_text', $selected)) {
831 $selected[] = 'interaction';
834 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
837 foreach ($fields as $table => $table_fields) {
838 foreach ($table_fields as $field => $select) {
839 if (empty($selected) || in_array($select, $selected)) {
840 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
841 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
843 if (is_int($field)) {
844 $selection[] = "`" . $table . "`.`" . $select . "`";
846 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
851 return implode(", ", $selection);
855 * add table definition to fields in an SQL query
857 * @param string $query SQL query
858 * @param array $fields The field definition array
860 * @return string the changed SQL query
862 private static function addTablesToFields($query, $fields)
864 foreach ($fields as $table => $table_fields) {
865 foreach ($table_fields as $alias => $field) {
866 if (is_int($alias)) {
867 $replace_field = $field;
869 $replace_field = $alias;
872 $search = "/([^\.])`" . $field . "`/i";
873 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
874 $query = preg_replace($search, $replace, $query);
881 * Update existing item entries
883 * @param array $fields The fields that are to be changed
884 * @param array $condition The condition for finding the item entries
886 * In the future we may have to change permissions as well.
887 * Then we had to add the user id as third parameter.
889 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
891 * @return integer|boolean number of affected rows - or "false" if there was an error
892 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
894 public static function update(array $fields, array $condition)
896 if (empty($condition) || empty($fields)) {
900 // To ensure the data integrity we do it in an transaction
903 // We cannot simply expand the condition to check for origin entries
904 // The condition needn't to be a simple array but could be a complex condition.
905 // And we have to execute this query before the update to ensure to fetch the same data.
906 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
908 $content_fields = [];
909 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
910 if (isset($fields[$field])) {
911 $content_fields[$field] = $fields[$field];
912 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
913 unset($fields[$field]);
915 $fields[$field] = null;
920 $delivery_data = ItemDeliveryData::extractFields($fields);
922 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
923 foreach ($clear_fields as $field) {
924 if (array_key_exists($field, $fields)) {
925 $fields[$field] = null;
929 if (array_key_exists('tag', $fields)) {
930 $tags = $fields['tag'];
931 $fields['tag'] = null;
936 if (array_key_exists('file', $fields)) {
937 $files = $fields['file'];
938 $fields['file'] = null;
943 if (!empty($fields)) {
944 $success = DBA::update('item', $fields, $condition);
953 // When there is no content for the "old" item table, this will count the fetched items
954 $rows = DBA::affectedRows();
958 while ($item = DBA::fetch($items)) {
959 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
960 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
962 if (empty($item['iaid'])) {
963 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
964 if (DBA::isResult($item_activity)) {
965 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
966 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
967 if (self::isLegacyMode()) {
968 $item_fields[$field] = null;
970 unset($item_fields[$field]);
973 DBA::update('item', $item_fields, ['id' => $item['id']]);
975 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
976 DBA::delete('item-content', ['id' => $item['icid']]);
979 } elseif (!empty($item['icid'])) {
980 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
982 if (!DBA::exists('item', ['icid' => $item['icid']])) {
983 DBA::delete('item-content', ['id' => $item['icid']]);
987 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
989 if (empty($item['icid'])) {
990 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
991 if (DBA::isResult($item_content)) {
992 $item_fields = ['icid' => $item_content['id']];
993 // Clear all fields in the item table that have a content in the item-content table
994 foreach ($item_content as $field => $content) {
995 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
996 if (self::isLegacyMode()) {
997 $item_fields[$field] = null;
999 unset($item_fields[$field]);
1003 DBA::update('item', $item_fields, ['id' => $item['id']]);
1008 if (!is_null($tags)) {
1009 Term::insertFromTagFieldByItemId($item['id'], $tags);
1010 if (!empty($item['tag'])) {
1011 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1015 if (!is_null($files)) {
1016 Term::insertFromFileFieldByItemId($item['id'], $files);
1017 if (!empty($item['file'])) {
1018 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1022 ItemDeliveryData::update($item['id'], $delivery_data);
1024 self::updateThread($item['id']);
1026 // We only need to notfiy others when it is an original entry from us.
1027 // Only call the notifier when the item has some content relevant change.
1028 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1029 $notify_items[] = $item['id'];
1036 foreach ($notify_items as $notify_item) {
1037 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1044 * Delete an item and notify others about it - if it was ours
1046 * @param array $condition The condition for finding the item entries
1047 * @param integer $priority Priority for the notification
1048 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1050 public static function delete($condition, $priority = PRIORITY_HIGH)
1052 $items = self::select(['id'], $condition);
1053 while ($item = self::fetch($items)) {
1054 self::deleteById($item['id'], $priority);
1060 * Delete an item for an user and notify others about it - if it was ours
1062 * @param array $condition The condition for finding the item entries
1063 * @param integer $uid User who wants to delete this item
1064 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1066 public static function deleteForUser($condition, $uid)
1072 $items = self::select(['id', 'uid'], $condition);
1073 while ($item = self::fetch($items)) {
1074 // "Deleting" global items just means hiding them
1075 if ($item['uid'] == 0) {
1076 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1078 // Delete notifications
1079 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1080 } elseif ($item['uid'] == $uid) {
1081 self::deleteById($item['id'], PRIORITY_HIGH);
1083 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1090 * Delete an item and notify others about it - if it was ours
1092 * @param integer $item_id Item ID that should be delete
1093 * @param integer $priority Priority for the notification
1095 * @return boolean success
1096 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1098 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1100 // locate item to be deleted
1101 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1102 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1103 'verb', 'object-type', 'object', 'target', 'contact-id',
1104 'icid', 'iaid', 'psid'];
1105 $item = self::selectFirst($fields, ['id' => $item_id]);
1106 if (!DBA::isResult($item)) {
1107 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1111 if ($item['deleted']) {
1112 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1116 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1117 if (!DBA::isResult($parent)) {
1118 $parent = ['origin' => false];
1121 // clean up categories and tags so they don't end up as orphans
1124 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1127 foreach ($matches as $mtch) {
1128 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1134 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1137 foreach ($matches as $mtch) {
1138 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1143 * If item is a link to a photo resource, nuke all the associated photos
1144 * (visitors will not have photo resources)
1145 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1146 * generate a resource-id and therefore aren't intimately linked to the item.
1148 /// @TODO: this should first check if photo is used elsewhere
1149 if (strlen($item['resource-id'])) {
1150 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1153 // If item is a link to an event, delete the event.
1154 if (intval($item['event-id'])) {
1155 Event::delete($item['event-id']);
1158 // If item has attachments, drop them
1159 /// @TODO: this should first check if attachment is used elsewhere
1160 foreach (explode(",", $item['attach']) as $attach) {
1161 preg_match("|attach/(\d+)|", $attach, $matches);
1162 if (is_array($matches) && count($matches) > 1) {
1163 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1167 // Delete tags that had been attached to other items
1168 self::deleteTagsFromItem($item);
1170 // Delete notifications
1171 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1173 // Set the item to "deleted"
1174 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1175 DBA::update('item', $item_fields, ['id' => $item['id']]);
1177 Term::insertFromTagFieldByItemId($item['id'], '');
1178 Term::insertFromFileFieldByItemId($item['id'], '');
1179 self::deleteThread($item['id'], $item['parent-uri']);
1181 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1182 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1185 ItemDeliveryData::delete($item['id']);
1187 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1189 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1190 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1192 // When the permission set will be used in photo and events as well,
1193 // this query here needs to be extended.
1194 // @todo Currently deactivated. We need the permission set in the deletion process.
1195 // This is a reminder to add the removal somewhere else.
1196 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1197 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1200 // If it's the parent of a comment thread, kill all the kids
1201 if ($item['id'] == $item['parent']) {
1202 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1205 // Is it our comment and/or our thread?
1206 if ($item['origin'] || $parent['origin']) {
1208 // When we delete the original post we will delete all existing copies on the server as well
1209 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1211 // send the notification upstream/downstream
1212 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1213 } elseif ($item['uid'] != 0) {
1215 // When we delete just our local user copy of an item, we have to set a marker to hide it
1216 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1217 if (DBA::isResult($global_item)) {
1218 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1222 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1227 private static function deleteTagsFromItem($item)
1229 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1233 $xo = XML::parseString($item["object"], false);
1234 $xt = XML::parseString($item["target"], false);
1236 if ($xt->type != Activity\ObjectType::NOTE) {
1240 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1241 if (!DBA::isResult($i)) {
1245 // For tags, the owner cannot remove the tag on the author's copy of the post.
1246 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1247 $author_copy = $item["origin"];
1249 if (($owner_remove && $author_copy) || !$owner_remove) {
1253 $tags = explode(',', $i["tag"]);
1256 foreach ($tags as $tag) {
1257 if (trim($tag) !== trim($xo->body)) {
1258 $newtags[] = trim($tag);
1262 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1265 private static function guid($item, $notify)
1267 if (!empty($item['guid'])) {
1268 return Strings::escapeTags(trim($item['guid']));
1272 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1273 // We add the hash of our own host because our host is the original creator of the post.
1274 $prefix_host = DI::baseUrl()->getHostname();
1278 // We are only storing the post so we create a GUID from the original hostname.
1279 if (!empty($item['author-link'])) {
1280 $parsed = parse_url($item['author-link']);
1281 if (!empty($parsed['host'])) {
1282 $prefix_host = $parsed['host'];
1286 if (empty($prefix_host) && !empty($item['plink'])) {
1287 $parsed = parse_url($item['plink']);
1288 if (!empty($parsed['host'])) {
1289 $prefix_host = $parsed['host'];
1293 if (empty($prefix_host) && !empty($item['uri'])) {
1294 $parsed = parse_url($item['uri']);
1295 if (!empty($parsed['host'])) {
1296 $prefix_host = $parsed['host'];
1300 // Is it in the format data@host.tld? - Used for mail contacts
1301 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1302 $mailparts = explode('@', $item['author-link']);
1303 $prefix_host = array_pop($mailparts);
1307 if (!empty($item['plink'])) {
1308 $guid = self::guidFromUri($item['plink'], $prefix_host);
1309 } elseif (!empty($item['uri'])) {
1310 $guid = self::guidFromUri($item['uri'], $prefix_host);
1312 $guid = System::createUUID(hash('crc32', $prefix_host));
1318 private static function contactId($item)
1320 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1321 return $item['contact-id'];
1322 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1323 return $item['contact-id'];
1324 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1325 return $item['author-id'];
1326 } elseif (!empty($item['contact-id'])) {
1327 return $item['contact-id'];
1329 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1330 if (!empty($contact_id)) {
1334 return $item['author-id'];
1337 // This function will finally cover most of the preparation functionality in mod/item.php
1338 public static function prepare(&$item)
1341 * @TODO: Unused code triggering inspection errors
1343 $data = BBCode::getAttachmentData($item['body']);
1344 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1345 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1346 $posttype = Item::PT_PAGE;
1347 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1353 * Write an item array into a spool file to be inserted later.
1354 * This command is called whenever there are issues storing an item.
1356 * @param array $item The item fields that are to be inserted
1357 * @throws \Exception
1359 private static function spool($orig_item)
1361 // Now we store the data in the spool directory
1362 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1363 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1365 $spoolpath = get_spoolpath();
1366 if ($spoolpath != "") {
1367 $spool = $spoolpath . '/' . $file;
1369 file_put_contents($spool, json_encode($orig_item));
1370 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1374 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1378 $priority = PRIORITY_HIGH;
1380 // If it is a posting where users should get notifications, then define it as wall posting
1383 $item['origin'] = 1;
1384 $item['network'] = Protocol::DFRN;
1385 $item['protocol'] = Conversation::PARCEL_DFRN;
1387 if (is_int($notify)) {
1388 $priority = $notify;
1391 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1394 $item['guid'] = self::guid($item, $notify);
1395 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1398 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1400 // Store conversation data
1401 $item = Conversation::insert($item);
1404 * If a Diaspora signature structure was passed in, pull it out of the
1405 * item array and set it aside for later storage.
1409 if (isset($item['dsprsig'])) {
1410 $encoded_signature = $item['dsprsig'];
1411 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1412 unset($item['dsprsig']);
1415 $diaspora_signed_text = '';
1416 if (isset($item['diaspora_signed_text'])) {
1417 $diaspora_signed_text = $item['diaspora_signed_text'];
1418 unset($item['diaspora_signed_text']);
1421 // Converting the plink
1422 /// @TODO Check if this is really still needed
1423 if ($item['network'] == Protocol::OSTATUS) {
1424 if (isset($item['plink'])) {
1425 $item['plink'] = OStatus::convertHref($item['plink']);
1426 } elseif (isset($item['uri'])) {
1427 $item['plink'] = OStatus::convertHref($item['uri']);
1431 if (!empty($item['thr-parent'])) {
1432 $item['parent-uri'] = $item['thr-parent'];
1435 $activity = DI::activity();
1437 if (isset($item['gravity'])) {
1438 $item['gravity'] = intval($item['gravity']);
1439 } elseif ($item['parent-uri'] === $item['uri']) {
1440 $item['gravity'] = GRAVITY_PARENT;
1441 } elseif ($activity->match($item['verb'], Activity::POST)) {
1442 $item['gravity'] = GRAVITY_COMMENT;
1443 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1444 $item['gravity'] = GRAVITY_ACTIVITY;
1446 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1447 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1450 $uid = intval($item['uid']);
1452 // check for create date and expire time
1453 $expire_interval = DI::config()->get('system', 'dbclean-expire-days', 0);
1455 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1456 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1457 $expire_interval = $user['expire'];
1460 if (($expire_interval > 0) && !empty($item['created'])) {
1461 $expire_date = time() - ($expire_interval * 86400);
1462 $created_date = strtotime($item['created']);
1463 if ($created_date < $expire_date) {
1464 Logger::notice('Item created before expiration interval.', [
1465 'created' => date('c', $created_date),
1466 'expired' => date('c', $expire_date),
1474 * Do we already have this item?
1475 * We have to check several networks since Friendica posts could be repeated
1476 * via OStatus (maybe Diasporsa as well)
1478 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1479 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1480 trim($item['uri']), $item['uid'],
1481 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1482 $existing = self::selectFirst(['id', 'network'], $condition);
1483 if (DBA::isResult($existing)) {
1484 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1486 Logger::notice('Item already existed for user', [
1487 'uri' => $item['uri'],
1489 'network' => $item['network'],
1490 'existing_id' => $existing["id"],
1491 'existing_network' => $existing["network"]
1495 return $existing["id"];
1499 $item['wall'] = intval($item['wall'] ?? 0);
1500 $item['extid'] = trim($item['extid'] ?? '');
1501 $item['author-name'] = trim($item['author-name'] ?? '');
1502 $item['author-link'] = trim($item['author-link'] ?? '');
1503 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1504 $item['owner-name'] = trim($item['owner-name'] ?? '');
1505 $item['owner-link'] = trim($item['owner-link'] ?? '');
1506 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1507 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1508 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1509 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1510 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1511 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1512 $item['title'] = trim($item['title'] ?? '');
1513 $item['location'] = trim($item['location'] ?? '');
1514 $item['coord'] = trim($item['coord'] ?? '');
1515 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1516 $item['deleted'] = 0;
1517 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1518 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1519 $item['verb'] = trim($item['verb'] ?? '');
1520 $item['object-type'] = trim($item['object-type'] ?? '');
1521 $item['object'] = trim($item['object'] ?? '');
1522 $item['target-type'] = trim($item['target-type'] ?? '');
1523 $item['target'] = trim($item['target'] ?? '');
1524 $item['plink'] = trim($item['plink'] ?? '');
1525 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1526 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1527 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1528 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1529 $item['private'] = intval($item['private'] ?? 0);
1530 $item['body'] = trim($item['body'] ?? '');
1531 $item['tag'] = trim($item['tag'] ?? '');
1532 $item['attach'] = trim($item['attach'] ?? '');
1533 $item['app'] = trim($item['app'] ?? '');
1534 $item['origin'] = intval($item['origin'] ?? 0);
1535 $item['postopts'] = trim($item['postopts'] ?? '');
1536 $item['resource-id'] = trim($item['resource-id'] ?? '');
1537 $item['event-id'] = intval($item['event-id'] ?? 0);
1538 $item['inform'] = trim($item['inform'] ?? '');
1539 $item['file'] = trim($item['file'] ?? '');
1541 // When there is no content then we don't post it
1542 if ($item['body'].$item['title'] == '') {
1543 Logger::notice('No body, no title.');
1547 self::addLanguageToItemArray($item);
1549 // Items cannot be stored before they happen ...
1550 if ($item['created'] > DateTimeFormat::utcNow()) {
1551 $item['created'] = DateTimeFormat::utcNow();
1554 // We haven't invented time travel by now.
1555 if ($item['edited'] > DateTimeFormat::utcNow()) {
1556 $item['edited'] = DateTimeFormat::utcNow();
1559 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1561 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1562 'photo' => $item['author-avatar'], 'network' => $item['network']];
1564 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1566 if (Contact::isBlocked($item['author-id'])) {
1567 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1571 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1572 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1576 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1577 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1581 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1582 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1584 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1586 if (Contact::isBlocked($item['owner-id'])) {
1587 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1591 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1592 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1596 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1597 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1601 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1602 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1603 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1607 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1608 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1612 // We don't store the causer, we only have it here for the checks above
1613 unset($item['causer-id']);
1614 unset($item['causer-link']);
1616 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1617 $item["contact-id"] = self::contactId($item);
1619 if ($item['network'] == Protocol::PHANTOM) {
1620 $item['network'] = Protocol::DFRN;
1621 Logger::notice('Missing network, setting to {network}.', [
1622 'uri' => $item["uri"],
1623 'network' => $item['network'],
1624 'callstack' => System::callstack()
1628 // Checking if there is already an item with the same guid
1629 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1630 if (self::exists($condition)) {
1631 Logger::notice('Found already existing item', [
1632 'guid' => $item['guid'],
1633 'uid' => $item['uid'],
1634 'network' => $item['network']
1639 if ($item['verb'] == Activity::FOLLOW) {
1640 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1641 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1642 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1646 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1647 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1648 if (self::exists($condition)) {
1649 // It happens that we receive multiple follow requests by the same author - we only store one.
1650 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1655 // Check for hashtags in the body and repair or add hashtag links
1656 self::setHashtags($item);
1658 $item['thr-parent'] = $item['parent-uri'];
1660 $notify_type = Delivery::POST;
1666 if ($item['parent-uri'] === $item['uri']) {
1668 $parent_deleted = 0;
1669 $allow_cid = $item['allow_cid'];
1670 $allow_gid = $item['allow_gid'];
1671 $deny_cid = $item['deny_cid'];
1672 $deny_gid = $item['deny_gid'];
1674 // find the parent and snarf the item id and ACLs
1675 // and anything else we need to inherit
1677 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1678 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1679 'wall', 'private', 'forum_mode', 'origin'];
1680 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1681 $params = ['order' => ['id' => false]];
1682 $parent = self::selectFirst($fields, $condition, $params);
1684 if (DBA::isResult($parent)) {
1685 // is the new message multi-level threaded?
1686 // even though we don't support it now, preserve the info
1687 // and re-attach to the conversation parent.
1689 if ($parent['uri'] != $parent['parent-uri']) {
1690 $item['parent-uri'] = $parent['parent-uri'];
1692 $condition = ['uri' => $item['parent-uri'],
1693 'parent-uri' => $item['parent-uri'],
1694 'uid' => $item['uid']];
1695 $params = ['order' => ['id' => false]];
1696 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1698 if (DBA::isResult($toplevel_parent)) {
1699 $parent = $toplevel_parent;
1703 $parent_id = $parent['id'];
1704 $parent_deleted = $parent['deleted'];
1705 $allow_cid = $parent['allow_cid'];
1706 $allow_gid = $parent['allow_gid'];
1707 $deny_cid = $parent['deny_cid'];
1708 $deny_gid = $parent['deny_gid'];
1709 $item['wall'] = $parent['wall'];
1712 * If the parent is private, force privacy for the entire conversation
1713 * This differs from the above settings as it subtly allows comments from
1714 * email correspondents to be private even if the overall thread is not.
1716 if ($parent['private']) {
1717 $item['private'] = $parent['private'];
1721 * Edge case. We host a public forum that was originally posted to privately.
1722 * The original author commented, but as this is a comment, the permissions
1723 * weren't fixed up so it will still show the comment as private unless we fix it here.
1725 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1726 $item['private'] = 0;
1729 // If its a post that originated here then tag the thread as "mention"
1730 if ($item['origin'] && $item['uid']) {
1731 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1732 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1736 * Allow one to see reply tweets from status.net even when
1737 * we don't have or can't see the original post.
1739 if ($force_parent) {
1740 Logger::log('$force_parent=true, reply converted to top-level post.');
1742 $item['parent-uri'] = $item['uri'];
1743 $item['gravity'] = GRAVITY_PARENT;
1745 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1749 $parent_deleted = 0;
1753 if (stristr($item['verb'], Activity::POKE)) {
1754 $notify_type = Delivery::POKE;
1757 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1758 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1760 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1761 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1762 if (self::exists($condition)) {
1763 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1767 // On Friendica and Diaspora the GUID is unique
1768 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1769 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1770 if (self::exists($condition)) {
1771 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1774 } elseif ($item['network'] == Protocol::OSTATUS) {
1775 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1776 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1777 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1778 if (self::exists($condition)) {
1779 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1784 // Is this item available in the global items (with uid=0)?
1785 if ($item["uid"] == 0) {
1786 $item["global"] = true;
1788 // Set the global flag on all items if this was a global item entry
1789 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1791 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1795 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1798 $private = $item['private'];
1801 $item["allow_cid"] = $allow_cid;
1802 $item["allow_gid"] = $allow_gid;
1803 $item["deny_cid"] = $deny_cid;
1804 $item["deny_gid"] = $deny_gid;
1805 $item["private"] = $private;
1806 $item["deleted"] = $parent_deleted;
1808 // Fill the cache field
1809 self::putInCache($item);
1812 $item['edit'] = false;
1813 $item['parent'] = $parent_id;
1814 Hook::callAll('post_local', $item);
1815 unset($item['edit']);
1816 unset($item['parent']);
1818 Hook::callAll('post_remote', $item);
1821 // This array field is used to trigger some automatic reactions
1822 // It is mainly used in the "post_local" hook.
1823 unset($item['api_source']);
1825 if (!empty($item['cancel'])) {
1826 Logger::log('post cancelled by addon.');
1831 * Check for already added items.
1832 * There is a timing issue here that sometimes creates double postings.
1833 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1835 if ($item["uid"] == 0) {
1836 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1837 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1842 Logger::log('' . print_r($item,true), Logger::DATA);
1844 if (array_key_exists('tag', $item)) {
1845 $tags = $item['tag'];
1846 unset($item['tag']);
1851 if (array_key_exists('file', $item)) {
1852 $files = $item['file'];
1853 unset($item['file']);
1858 // Creates or assigns the permission set
1859 $item['psid'] = PermissionSet::fetchIDForPost($item);
1861 // We are doing this outside of the transaction to avoid timing problems
1862 if (!self::insertActivity($item)) {
1863 self::insertContent($item);
1866 $delivery_data = ItemDeliveryData::extractFields($item);
1868 unset($item['postopts']);
1869 unset($item['inform']);
1871 // These fields aren't stored anymore in the item table, they are fetched upon request
1872 unset($item['author-link']);
1873 unset($item['author-name']);
1874 unset($item['author-avatar']);
1875 unset($item['author-network']);
1877 unset($item['owner-link']);
1878 unset($item['owner-name']);
1879 unset($item['owner-avatar']);
1881 $like_no_comment = DI::config()->get('system', 'like_no_comment');
1884 $ret = DBA::insert('item', $item);
1886 // When the item was successfully stored we fetch the ID of the item.
1887 if (DBA::isResult($ret)) {
1888 $current_post = DBA::lastInsertId();
1890 // This can happen - for example - if there are locking timeouts.
1893 // Store the data into a spool file so that we can try again later.
1894 self::spool($orig_item);
1898 if ($current_post == 0) {
1899 // This is one of these error messages that never should occur.
1900 Logger::log("couldn't find created item - we better quit now.");
1905 // How much entries have we created?
1906 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1907 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1910 // There are duplicates. We delete our just created entry.
1911 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1913 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1914 DBA::delete('item', ['id' => $current_post]);
1917 } elseif ($entries == 0) {
1918 // This really should never happen since we quit earlier if there were problems.
1919 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1924 Logger::log('created item '.$current_post);
1926 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1927 $parent_id = $current_post;
1931 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1933 $item['id'] = $current_post;
1934 $item['parent'] = $parent_id;
1936 // update the commented timestamp on the parent
1937 // Only update "commented" if it is really a comment
1938 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1939 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1941 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1946 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1947 * We can check for this condition when we decode and encode the stuff again.
1949 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1950 $dsprsig->signature = base64_decode($dsprsig->signature);
1951 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1954 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1955 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1957 // The other fields are used by very old Friendica servers, so we currently store them differently
1958 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1959 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1963 if (!empty($diaspora_signed_text)) {
1964 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1967 if ($item['parent-uri'] === $item['uri']) {
1968 self::addThread($current_post);
1970 self::updateThread($parent_id);
1973 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1974 ItemDeliveryData::insert($current_post, $delivery_data);
1980 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1981 * This is not perfect - but a workable solution until we found the reason for the problem.
1983 if (!empty($tags)) {
1984 Term::insertFromTagFieldByItemId($current_post, $tags);
1987 if (!empty($files)) {
1988 Term::insertFromFileFieldByItemId($current_post, $files);
1991 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1992 if (self::tagDeliver($item['uid'], $current_post)) {
1993 // Get the user information for the logging
1994 $user = User::getById($uid);
1996 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2001 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2002 if (DBA::isResult($posted_item)) {
2004 Hook::callAll('post_local_end', $posted_item);
2006 Hook::callAll('post_remote_end', $posted_item);
2009 Logger::log('new item not found in DB, id ' . $current_post);
2013 if ($item['parent-uri'] === $item['uri']) {
2014 self::addShadow($current_post);
2016 self::addShadowPost($current_post);
2019 self::updateContact($item);
2021 UserItem::setNotification($current_post);
2023 check_user_notification($current_post);
2025 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2026 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2029 return $current_post;
2033 * Insert a new item content entry
2035 * @param array $item The item fields that are to be inserted
2037 * @throws \Exception
2039 private static function insertActivity(&$item)
2041 $activity_index = self::activityToIndex($item['verb']);
2043 if ($activity_index < 0) {
2047 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2049 // We just remove everything that is content
2050 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2051 unset($item[$field]);
2054 // To avoid timing problems, we are using locks.
2055 $locked = DI::lock()->acquire('item_insert_activity');
2057 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2060 // Do we already have this content?
2061 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2062 if (DBA::isResult($item_activity)) {
2063 $item['iaid'] = $item_activity['id'];
2064 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2065 } elseif (DBA::insert('item-activity', $fields)) {
2066 $item['iaid'] = DBA::lastInsertId();
2067 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2069 // This shouldn't happen.
2070 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2071 DI::lock()->release('item_insert_activity');
2075 DI::lock()->release('item_insert_activity');
2081 * Insert a new item content entry
2083 * @param array $item The item fields that are to be inserted
2084 * @throws \Exception
2086 private static function insertContent(&$item)
2088 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2090 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2091 if (isset($item[$field])) {
2092 $fields[$field] = $item[$field];
2093 unset($item[$field]);
2097 // To avoid timing problems, we are using locks.
2098 $locked = DI::lock()->acquire('item_insert_content');
2100 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2103 // Do we already have this content?
2104 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2105 if (DBA::isResult($item_content)) {
2106 $item['icid'] = $item_content['id'];
2107 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2108 } elseif (DBA::insert('item-content', $fields)) {
2109 $item['icid'] = DBA::lastInsertId();
2110 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2112 // This shouldn't happen.
2113 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2116 DI::lock()->release('item_insert_content');
2121 * Update existing item content entries
2123 * @param array $item The item fields that are to be changed
2124 * @param array $condition The condition for finding the item content entries
2126 * @throws \Exception
2128 private static function updateActivity($item, $condition)
2130 if (empty($item['verb'])) {
2133 $activity_index = self::activityToIndex($item['verb']);
2135 if ($activity_index < 0) {
2139 $fields = ['activity' => $activity_index];
2141 Logger::log('Update activity for ' . json_encode($condition));
2143 DBA::update('item-activity', $fields, $condition, true);
2149 * Update existing item content entries
2151 * @param array $item The item fields that are to be changed
2152 * @param array $condition The condition for finding the item content entries
2153 * @throws \Exception
2155 private static function updateContent($item, $condition)
2157 // We have to select only the fields from the "item-content" table
2159 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2160 if (isset($item[$field])) {
2161 $fields[$field] = $item[$field];
2165 if (empty($fields)) {
2166 // when there are no fields at all, just use the condition
2167 // This is to ensure that we always store content.
2168 $fields = $condition;
2171 Logger::log('Update content for ' . json_encode($condition));
2173 DBA::update('item-content', $fields, $condition, true);
2177 * Distributes public items to the receivers
2179 * @param integer $itemid Item ID that should be added
2180 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2181 * @throws \Exception
2183 public static function distribute($itemid, $signed_text = '')
2185 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2186 $parent = self::selectFirst(['owner-id'], $condition);
2187 if (!DBA::isResult($parent)) {
2191 // Only distribute public items from native networks
2192 $condition = ['id' => $itemid, 'uid' => 0,
2193 'network' => array_merge(Protocol::FEDERATED ,['']),
2194 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2195 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2196 if (!DBA::isResult($item)) {
2200 $origin = $item['origin'];
2203 unset($item['parent']);
2204 unset($item['mention']);
2205 unset($item['wall']);
2206 unset($item['origin']);
2207 unset($item['starred']);
2211 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2212 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2213 if (!DBA::isResult($owner)) {
2217 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2218 $contacts = DBA::select('contact', ['uid'], $condition);
2219 while ($contact = DBA::fetch($contacts)) {
2220 if ($contact['uid'] == 0) {
2224 $users[$contact['uid']] = $contact['uid'];
2226 DBA::close($contacts);
2228 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2229 $contacts = DBA::select('contact', ['uid'], $condition);
2230 while ($contact = DBA::fetch($contacts)) {
2231 if ($contact['uid'] == 0) {
2235 $users[$contact['uid']] = $contact['uid'];
2237 DBA::close($contacts);
2239 if (!empty($owner['alias'])) {
2240 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2241 $contacts = DBA::select('contact', ['uid'], $condition);
2242 while ($contact = DBA::fetch($contacts)) {
2243 if ($contact['uid'] == 0) {
2247 $users[$contact['uid']] = $contact['uid'];
2249 DBA::close($contacts);
2254 if ($item['uri'] != $item['parent-uri']) {
2255 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2256 while ($parent = self::fetch($parents)) {
2257 $users[$parent['uid']] = $parent['uid'];
2258 if ($parent['origin'] && !$origin) {
2259 $origin_uid = $parent['uid'];
2264 foreach ($users as $uid) {
2265 if ($origin_uid == $uid) {
2266 $item['diaspora_signed_text'] = $signed_text;
2268 self::storeForUser($itemid, $item, $uid);
2273 * Store public items for the receivers
2275 * @param integer $itemid Item ID that should be added
2276 * @param array $item The item entry that will be stored
2277 * @param integer $uid The user that will receive the item entry
2278 * @throws \Exception
2280 private static function storeForUser($itemid, $item, $uid)
2282 $item['uid'] = $uid;
2283 $item['origin'] = 0;
2285 if ($item['uri'] == $item['parent-uri']) {
2286 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2288 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2291 if (empty($item['contact-id'])) {
2292 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2293 if (!DBA::isResult($self)) {
2296 $item['contact-id'] = $self['id'];
2299 /// @todo Handling of "event-id"
2302 if ($item['uri'] == $item['parent-uri']) {
2303 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2304 if (DBA::isResult($contact)) {
2305 $notify = self::isRemoteSelf($contact, $item);
2309 $distributed = self::insert($item, false, $notify, true);
2311 if (!$distributed) {
2312 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2314 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2319 * Add a shadow entry for a given item id that is a thread starter
2321 * We store every public item entry additionally with the user id "0".
2322 * This is used for the community page and for the search.
2323 * It is planned that in the future we will store public item entries only once.
2325 * @param integer $itemid Item ID that should be added
2326 * @throws \Exception
2328 public static function addShadow($itemid)
2330 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2331 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2332 $item = self::selectFirst($fields, $condition);
2334 if (!DBA::isResult($item)) {
2338 // is it already a copy?
2339 if (($itemid == 0) || ($item['uid'] == 0)) {
2343 // Is it a visible public post?
2344 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2348 // is it an entry from a connector? Only add an entry for natively connected networks
2349 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2353 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2357 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2359 if (DBA::isResult($item)) {
2360 // Preparing public shadow (removing user specific data)
2363 unset($item['parent']);
2364 unset($item['wall']);
2365 unset($item['mention']);
2366 unset($item['origin']);
2367 unset($item['starred']);
2368 unset($item['postopts']);
2369 unset($item['inform']);
2370 if ($item['uri'] == $item['parent-uri']) {
2371 $item['contact-id'] = $item['owner-id'];
2373 $item['contact-id'] = $item['author-id'];
2376 $public_shadow = self::insert($item, false, false, true);
2378 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2383 * Add a shadow entry for a given item id that is a comment
2385 * This function does the same like the function above - but for comments
2387 * @param integer $itemid Item ID that should be added
2388 * @throws \Exception
2390 public static function addShadowPost($itemid)
2392 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2393 if (!DBA::isResult($item)) {
2397 // Is it a toplevel post?
2398 if ($item['id'] == $item['parent']) {
2399 self::addShadow($itemid);
2403 // Is this a shadow entry?
2404 if ($item['uid'] == 0) {
2408 // Is there a shadow parent?
2409 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2413 // Is there already a shadow entry?
2414 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2418 // Save "origin" and "parent" state
2419 $origin = $item['origin'];
2420 $parent = $item['parent'];
2422 // Preparing public shadow (removing user specific data)
2425 unset($item['parent']);
2426 unset($item['wall']);
2427 unset($item['mention']);
2428 unset($item['origin']);
2429 unset($item['starred']);
2430 unset($item['postopts']);
2431 unset($item['inform']);
2432 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2434 $public_shadow = self::insert($item, false, false, true);
2436 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2438 // If this was a comment to a Diaspora post we don't get our comment back.
2439 // This means that we have to distribute the comment by ourselves.
2440 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2441 self::distribute($public_shadow);
2446 * Adds a language specification in a "language" element of given $arr.
2447 * Expects "body" element to exist in $arr.
2450 * @throws \Text_LanguageDetect_Exception
2452 private static function addLanguageToItemArray(&$item)
2454 $naked_body = BBCode::toPlaintext($item['body'], false);
2456 $ld = new Text_LanguageDetect();
2457 $ld->setNameMode(2);
2458 $languages = $ld->detect($naked_body, 3);
2460 if (is_array($languages)) {
2461 $item['language'] = json_encode($languages);
2466 * Creates an unique guid out of a given uri
2468 * @param string $uri uri of an item entry
2469 * @param string $host hostname for the GUID prefix
2470 * @return string unique guid
2472 public static function guidFromUri($uri, $host)
2474 // Our regular guid routine is using this kind of prefix as well
2475 // We have to avoid that different routines could accidentally create the same value
2476 $parsed = parse_url($uri);
2478 // We use a hash of the hostname as prefix for the guid
2479 $guid_prefix = hash("crc32", $host);
2481 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2482 unset($parsed["scheme"]);
2484 // Glue it together to be able to make a hash from it
2485 $host_id = implode("/", $parsed);
2487 // We could use any hash algorithm since it isn't a security issue
2488 $host_hash = hash("ripemd128", $host_id);
2490 return $guid_prefix.$host_hash;
2494 * generate an unique URI
2496 * @param integer $uid User id
2497 * @param string $guid An existing GUID (Otherwise it will be generated)
2500 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2502 public static function newURI($uid, $guid = "")
2505 $guid = System::createUUID();
2508 return DI::baseUrl()->get() . '/objects/' . $guid;
2512 * Set "success_update" and "last-item" to the date of the last time we heard from this contact
2514 * This can be used to filter for inactive contacts.
2515 * Only do this for public postings to avoid privacy problems, since poco data is public.
2516 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2518 * @param array $arr Contains the just posted item record
2519 * @throws \Exception
2521 private static function updateContact($arr)
2523 // Unarchive the author
2524 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2525 if (DBA::isResult($contact)) {
2526 Contact::unmarkForArchival($contact);
2529 // Unarchive the contact if it's not our own contact
2530 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2531 if (DBA::isResult($contact)) {
2532 Contact::unmarkForArchival($contact);
2535 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2537 // Is it a forum? Then we don't care about the rules from above
2538 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2539 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2545 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2546 ['id' => $arr['contact-id']]);
2548 // Now do the same for the system wide contacts with uid=0
2549 if (!$arr['private']) {
2550 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2551 ['id' => $arr['owner-id']]);
2553 if ($arr['owner-id'] != $arr['author-id']) {
2554 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2555 ['id' => $arr['author-id']]);
2560 public static function setHashtags(&$item)
2562 $tags = BBCode::getTags($item["body"]);
2565 if (!count($tags)) {
2569 // What happens in [code], stays in [code]!
2570 // escape the # and the [
2571 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2572 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2574 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2576 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2577 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2580 // This sorting is important when there are hashtags that are part of other hashtags
2581 // Otherwise there could be problems with hashtags like #test and #test2
2584 $URLSearchString = "^\[\]";
2586 // All hashtags should point to the home server if "local_tags" is activated
2587 if (DI::config()->get('system', 'local_tags')) {
2588 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2589 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2591 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2592 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2595 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2596 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2598 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2601 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2603 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2606 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2608 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2611 // Repair recursive urls
2612 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2613 "#$2", $item["body"]);
2615 foreach ($tags as $tag) {
2616 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2620 $basetag = str_replace('_',' ',substr($tag,1));
2621 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2623 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2625 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2626 if (strlen($item["tag"])) {
2627 $item["tag"] = ',' . $item["tag"];
2629 $item["tag"] = $newtag . $item["tag"];
2633 // Convert back the masked hashtags
2634 $item["body"] = str_replace("#", "#", $item["body"]);
2636 // Remember! What happens in [code], stays in [code]
2637 // roleback the # and [
2638 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2640 // we truly unESCape all sharp and leftsquarebracket
2641 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2642 $replace = ['#', '['];
2643 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2648 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2651 * @param int $item_id
2652 * @return boolean true if item was deleted, else false
2653 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2654 * @throws \ImagickException
2656 private static function tagDeliver($uid, $item_id)
2660 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2661 if (!DBA::isResult($user)) {
2665 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2666 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2668 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2669 if (!DBA::isResult($item)) {
2673 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2676 * Diaspora uses their own hardwired link URL in @-tags
2677 * instead of the one we supply with webfinger
2679 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2681 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2683 foreach ($matches as $mtch) {
2684 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2686 Logger::log('mention found: ' . $mtch[2]);
2692 if (($community_page || $prvgroup) &&
2693 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2694 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2696 Logger::log("no-mention top-level post to community or private group. delete.");
2697 DBA::delete('item', ['id' => $item_id]);
2703 $arr = ['item' => $item, 'user' => $user];
2705 Hook::callAll('tagged', $arr);
2707 if (!$community_page && !$prvgroup) {
2712 * tgroup delivery - setup a second delivery chain
2713 * prevent delivery looping - only proceed
2714 * if the message originated elsewhere and is a top-level post
2716 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2720 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2721 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2722 if (!DBA::isResult($self)) {
2726 $owner_id = Contact::getIdForURL($self['url']);
2728 // also reset all the privacy bits to the forum default permissions
2730 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2732 $psid = PermissionSet::fetchIDForPost($user);
2734 $forum_mode = ($prvgroup ? 2 : 1);
2736 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2737 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2738 self::update($fields, ['id' => $item_id]);
2740 self::updateThread($item_id);
2742 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2747 public static function isRemoteSelf($contact, &$datarray)
2749 if (!$contact['remote_self']) {
2753 // Prevent the forwarding of posts that are forwarded
2754 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2755 Logger::log('Already forwarded', Logger::DEBUG);
2759 // Prevent to forward already forwarded posts
2760 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2761 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2765 // Only forward posts
2766 if ($datarray["verb"] != Activity::POST) {
2767 Logger::log('No post', Logger::DEBUG);
2771 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2772 Logger::log('Not public', Logger::DEBUG);
2776 $datarray2 = $datarray;
2777 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2778 if ($contact['remote_self'] == 2) {
2779 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2780 ['uid' => $contact['uid'], 'self' => true]);
2781 if (DBA::isResult($self)) {
2782 $datarray['contact-id'] = $self["id"];
2784 $datarray['owner-name'] = $self["name"];
2785 $datarray['owner-link'] = $self["url"];
2786 $datarray['owner-avatar'] = $self["thumb"];
2788 $datarray['author-name'] = $datarray['owner-name'];
2789 $datarray['author-link'] = $datarray['owner-link'];
2790 $datarray['author-avatar'] = $datarray['owner-avatar'];
2792 unset($datarray['edited']);
2794 unset($datarray['network']);
2795 unset($datarray['owner-id']);
2796 unset($datarray['author-id']);
2799 if ($contact['network'] != Protocol::FEED) {
2800 $datarray["guid"] = System::createUUID();
2801 unset($datarray["plink"]);
2802 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2803 $datarray["parent-uri"] = $datarray["uri"];
2804 $datarray["thr-parent"] = $datarray["uri"];
2805 $datarray["extid"] = Protocol::DFRN;
2806 $urlpart = parse_url($datarray2['author-link']);
2807 $datarray["app"] = $urlpart["host"];
2809 $datarray['private'] = 0;
2813 if ($contact['network'] != Protocol::FEED) {
2814 // Store the original post
2815 $result = self::insert($datarray2, false, false);
2816 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2818 $datarray["app"] = "Feed";
2822 // Trigger automatic reactions for addons
2823 $datarray['api_source'] = true;
2825 // We have to tell the hooks who we are - this really should be improved
2826 $_SESSION["authenticated"] = true;
2827 $_SESSION["uid"] = $contact['uid'];
2836 * @param array $item
2839 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2840 * @throws \ImagickException
2842 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2844 if (DI::config()->get('system', 'disable_embedded')) {
2848 Logger::log('check for photos', Logger::DEBUG);
2849 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2854 $img_start = strpos($orig_body, '[img');
2855 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2856 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2858 while (($img_st_close !== false) && ($img_len !== false)) {
2859 $img_st_close++; // make it point to AFTER the closing bracket
2860 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2862 Logger::log('found photo ' . $image, Logger::DEBUG);
2864 if (stristr($image, $site . '/photo/')) {
2865 // Only embed locally hosted photos
2867 $i = basename($image);
2868 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2869 $x = strpos($i, '-');
2872 $res = substr($i, $x + 1);
2873 $i = substr($i, 0, $x);
2874 $photo = Photo::getPhotoForUser($uid, $i, $res);
2875 if (DBA::isResult($photo)) {
2877 * Check to see if we should replace this photo link with an embedded image
2878 * 1. No need to do so if the photo is public
2879 * 2. If there's a contact-id provided, see if they're in the access list
2880 * for the photo. If so, embed it.
2881 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2882 * permissions, regardless of order but first check to see if they're an exact
2883 * match to save some processing overhead.
2885 if (self::hasPermissions($photo)) {
2887 $recips = self::enumeratePermissions($photo);
2888 if (in_array($cid, $recips)) {
2892 if (self::samePermissions($uid, $item, $photo)) {
2898 $photo_img = Photo::getImageForPhoto($photo);
2899 // If a custom width and height were specified, apply before embedding
2900 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2901 Logger::log('scaling photo', Logger::DEBUG);
2903 $width = intval($match[1]);
2904 $height = intval($match[2]);
2906 $photo_img->scaleDown(max($width, $height));
2909 $data = $photo_img->asString();
2910 $type = $photo_img->getType();
2912 Logger::log('replacing photo', Logger::DEBUG);
2913 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2914 Logger::log('replaced: ' . $image, Logger::DATA);
2920 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2921 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2922 if ($orig_body === false) {
2926 $img_start = strpos($orig_body, '[img');
2927 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2928 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2931 $new_body = $new_body . $orig_body;
2936 private static function hasPermissions($obj)
2938 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2939 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2942 private static function samePermissions($uid, $obj1, $obj2)
2944 // first part is easy. Check that these are exactly the same.
2945 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2946 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2947 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2948 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2952 // This is harder. Parse all the permissions and compare the resulting set.
2953 $recipients1 = self::enumeratePermissions($obj1);
2954 $recipients2 = self::enumeratePermissions($obj2);
2958 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2959 return ($recipients1 == $recipients2);
2963 * Returns an array of contact-ids that are allowed to see this object
2965 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2966 * @param bool $check_dead Prunes unavailable contacts from the result
2968 * @throws \Exception
2970 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2972 $aclFormater = DI::aclFormatter();
2974 $allow_people = $aclFormater->expand($obj['allow_cid']);
2975 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2976 $deny_people = $aclFormater->expand($obj['deny_cid']);
2977 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2978 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2979 $deny = array_unique(array_merge($deny_people, $deny_groups));
2980 $recipients = array_diff($recipients, $deny);
2984 public static function getFeedTags($item)
2988 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2990 for ($x = 0; $x < $cnt; $x ++) {
2991 if ($matches[1][$x]) {
2992 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2997 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2999 for ($x = 0; $x < $cnt; $x ++) {
3000 if ($matches[1][$x]) {
3001 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3008 public static function expire($uid, $days, $network = "", $force = false)
3010 if (!$uid || ($days < 1)) {
3014 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3015 $uid, GRAVITY_PARENT];
3018 * $expire_network_only = save your own wall posts
3019 * and just expire conversations started by others
3021 $expire_network_only = DI::pConfig()->get($uid, 'expire', 'network_only', false);
3023 if ($expire_network_only) {
3024 $condition[0] .= " AND NOT `wall`";
3027 if ($network != "") {
3028 $condition[0] .= " AND `network` = ?";
3029 $condition[] = $network;
3032 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3033 $condition[] = $days;
3035 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3037 if (!DBA::isResult($items)) {
3041 $expire_items = DI::pConfig()->get($uid, 'expire', 'items', true);
3043 // Forcing expiring of items - but not notes and marked items
3045 $expire_items = true;
3048 $expire_notes = DI::pConfig()->get($uid, 'expire', 'notes', true);
3049 $expire_starred = DI::pConfig()->get($uid, 'expire', 'starred', true);
3050 $expire_photos = DI::pConfig()->get($uid, 'expire', 'photos', false);
3054 while ($item = Item::fetch($items)) {
3055 // don't expire filed items
3057 if (strpos($item['file'], '[') !== false) {
3061 // Only expire posts, not photos and photo comments
3063 if (!$expire_photos && strlen($item['resource-id'])) {
3065 } elseif (!$expire_starred && intval($item['starred'])) {
3067 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3069 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3073 self::deleteById($item['id'], PRIORITY_LOW);
3078 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3081 public static function firstPostDate($uid, $wall = false)
3083 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3084 $params = ['order' => ['received' => false]];
3085 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3086 if (DBA::isResult($thread)) {
3087 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3093 * add/remove activity to an item
3095 * Toggle activities as like,dislike,attend of an item
3097 * @param string $item_id
3098 * @param string $verb
3099 * Activity verb. One of
3100 * like, unlike, dislike, undislike, attendyes, unattendyes,
3101 * attendno, unattendno, attendmaybe, unattendmaybe
3103 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3104 * @throws \ImagickException
3105 * @hook 'post_local_end'
3107 * 'post_id' => ID of posted item
3109 public static function performLike($item_id, $verb)
3111 if (!Session::isAuthenticated()) {
3118 $activity = Activity::LIKE;
3122 $activity = Activity::DISLIKE;
3126 $activity = Activity::ATTEND;
3130 $activity = Activity::ATTENDNO;
3133 case 'unattendmaybe':
3134 $activity = Activity::ATTENDMAYBE;
3137 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3141 // Enable activity toggling instead of on/off
3142 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3144 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3146 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3147 if (!DBA::isResult($item)) {
3148 Logger::log('like: unknown item ' . $item_id);
3152 $item_uri = $item['uri'];
3154 $uid = $item['uid'];
3155 if (($uid == 0) && local_user()) {
3156 $uid = local_user();
3159 if (!Security::canWriteToUserWall($uid)) {
3160 Logger::log('like: unable to write on wall ' . $uid);
3164 // Retrieves the local post owner
3165 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3166 if (!DBA::isResult($owner_self_contact)) {
3167 Logger::log('like: unknown owner ' . $uid);
3171 // Retrieve the current logged in user's public contact
3172 $author_id = public_contact();
3174 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3175 if (!DBA::isResult($author_contact)) {
3176 Logger::log('like: unknown author ' . $author_id);
3180 // Contact-id is the uid-dependant author contact
3181 if (local_user() == $uid) {
3182 $item_contact_id = $owner_self_contact['id'];
3184 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3185 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3186 if (!DBA::isResult($item_contact)) {
3187 Logger::log('like: unknown item contact ' . $item_contact_id);
3192 // Look for an existing verb row
3193 // event participation are essentially radio toggles. If you make a subsequent choice,
3194 // we need to eradicate your first choice.
3195 if ($event_verb_flag) {
3196 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3198 // Translate to the index based activity index
3200 foreach ($verbs as $verb) {
3201 $activities[] = self::activityToIndex($verb);
3204 $activities = self::activityToIndex($activity);
3207 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3208 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3210 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3212 // If it exists, mark it as deleted
3213 if (DBA::isResult($like_item)) {
3214 self::deleteById($like_item['id']);
3216 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3221 // Verb is "un-something", just trying to delete existing entries
3222 if (strpos($verb, 'un') === 0) {
3226 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3229 'guid' => System::createUUID(),
3230 'uri' => self::newURI($item['uid']),
3231 'uid' => $item['uid'],
3232 'contact-id' => $item_contact_id,
3233 'wall' => $item['wall'],
3235 'network' => Protocol::DFRN,
3236 'gravity' => GRAVITY_ACTIVITY,
3237 'parent' => $item['id'],
3238 'parent-uri' => $item['uri'],
3239 'thr-parent' => $item['uri'],
3240 'owner-id' => $author_id,
3241 'author-id' => $author_id,
3242 'body' => $activity,
3243 'verb' => $activity,
3244 'object-type' => $objtype,
3245 'allow_cid' => $item['allow_cid'],
3246 'allow_gid' => $item['allow_gid'],
3247 'deny_cid' => $item['deny_cid'],
3248 'deny_gid' => $item['deny_gid'],
3253 $signed = Diaspora::createLikeSignature($uid, $new_item);
3254 if (!empty($signed)) {
3255 $new_item['diaspora_signed_text'] = json_encode($signed);
3258 $new_item_id = self::insert($new_item);
3260 // If the parent item isn't visible then set it to visible
3261 if (!$item['visible']) {
3262 self::update(['visible' => true], ['id' => $item['id']]);
3265 $new_item['id'] = $new_item_id;
3267 Hook::callAll('post_local_end', $new_item);
3272 private static function addThread($itemid, $onlyshadow = false)
3274 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3275 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3276 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3277 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3278 $item = self::selectFirst($fields, $condition);
3280 if (!DBA::isResult($item)) {
3284 $item['iid'] = $itemid;
3287 $result = DBA::insert('thread', $item);
3289 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3293 private static function updateThread($itemid, $setmention = false)
3295 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3296 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3297 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3298 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3300 $item = self::selectFirst($fields, $condition);
3301 if (!DBA::isResult($item)) {
3306 $item["mention"] = 1;
3311 foreach ($item as $field => $data) {
3312 if (!in_array($field, ["guid"])) {
3313 $fields[$field] = $data;
3317 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3319 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3322 private static function deleteThread($itemid, $itemuri = "")
3324 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3325 if (!DBA::isResult($item)) {
3326 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3330 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3332 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3334 if ($itemuri != "") {
3335 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3336 if (!self::exists($condition)) {
3337 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3338 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3343 public static function getPermissionsSQLByUserId($owner_id)
3345 $local_user = local_user();
3346 $remote_user = Session::getRemoteContactID($owner_id);
3349 * Construct permissions
3351 * default permissions - anonymous user
3353 $sql = " AND NOT `item`.`private`";
3355 // Profile owner - everything is visible
3356 if ($local_user && ($local_user == $owner_id)) {
3358 } elseif ($remote_user) {
3360 * Authenticated visitor. Unless pre-verified,
3361 * check that the contact belongs to this $owner_id
3362 * and load the groups the visitor belongs to.
3363 * If pre-verified, the caller is expected to have already
3364 * done this and passed the groups into this function.
3366 $set = PermissionSet::get($owner_id, $remote_user);
3369 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3374 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3381 * get translated item type
3386 public static function postType($item)
3388 if (!empty($item['event-id'])) {
3389 return DI::l10n()->t('event');
3390 } elseif (!empty($item['resource-id'])) {
3391 return DI::l10n()->t('photo');
3392 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3393 return DI::l10n()->t('activity');
3394 } elseif ($item['id'] != $item['parent']) {
3395 return DI::l10n()->t('comment');
3398 return DI::l10n()->t('post');
3402 * Sets the "rendered-html" field of the provided item
3404 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3406 * @param array $item
3407 * @param bool $update
3409 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3410 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3412 public static function putInCache(&$item, $update = false)
3414 $body = $item["body"];
3416 $rendered_hash = $item['rendered-hash'] ?? '';
3417 $rendered_html = $item['rendered-html'] ?? '';
3419 if ($rendered_hash == ''
3420 || $rendered_html == ""
3421 || $rendered_hash != hash("md5", $item["body"])
3422 || DI::config()->get("system", "ignore_cache")
3424 self::addRedirToImageTags($item);
3426 $item["rendered-html"] = BBCode::convert($item["body"]);
3427 $item["rendered-hash"] = hash("md5", $item["body"]);
3429 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3430 Hook::callAll('put_item_in_cache', $hook_data);
3431 $item['rendered-html'] = $hook_data['rendered-html'];
3432 $item['rendered-hash'] = $hook_data['rendered-hash'];
3435 // Force an update if the generated values differ from the existing ones
3436 if ($rendered_hash != $item["rendered-hash"]) {
3440 // Only compare the HTML when we forcefully ignore the cache
3441 if (DI::config()->get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3445 if ($update && !empty($item["id"])) {
3448 'rendered-html' => $item["rendered-html"],
3449 'rendered-hash' => $item["rendered-hash"]
3451 ['id' => $item["id"]]
3456 $item["body"] = $body;
3460 * Find any non-embedded images in private items and add redir links to them
3462 * @param array &$item The field array of an item row
3464 private static function addRedirToImageTags(array &$item)
3469 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3471 foreach ($matches as $mtch) {
3472 if (strpos($mtch[1], '/redir') !== false) {
3476 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3477 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3478 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3485 * Given an item array, convert the body element from bbcode to html and add smilie icons.
3486 * If attach is true, also add icons for item attachments.
3488 * @param array $item
3489 * @param boolean $attach
3490 * @param boolean $is_preview
3491 * @return string item body html
3492 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3493 * @throws \ImagickException
3494 * @hook prepare_body_init item array before any work
3495 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3496 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3497 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3499 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3502 Hook::callAll('prepare_body_init', $item);
3504 // In order to provide theme developers more possibilities, event items
3505 // are treated differently.
3506 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3507 $ev = Event::getItemHTML($item);
3511 $tags = Term::populateTagsFromItem($item);
3513 $item['tags'] = $tags['tags'];
3514 $item['hashtags'] = $tags['hashtags'];
3515 $item['mentions'] = $tags['mentions'];
3517 // Compile eventual content filter reasons
3518 $filter_reasons = [];
3519 if (!$is_preview && public_contact() != $item['author-id']) {
3520 if (!empty($item['content-warning']) && (!local_user() || !DI::pConfig()->get(local_user(), 'system', 'disable_cw', false))) {
3521 $filter_reasons[] = DI::l10n()->t('Content warning: %s', $item['content-warning']);
3526 'filter_reasons' => $filter_reasons
3528 Hook::callAll('prepare_body_content_filter', $hook_data);
3529 $filter_reasons = $hook_data['filter_reasons'];
3533 // Update the cached values if there is no "zrl=..." on the links.
3534 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3536 // Or update it if the current viewer is the intented viewer.
3537 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3541 self::putInCache($item, $update);
3542 $s = $item["rendered-html"];
3547 'preview' => $is_preview,
3548 'filter_reasons' => $filter_reasons
3550 Hook::callAll('prepare_body', $hook_data);
3551 $s = $hook_data['html'];
3555 // Replace the blockquotes with quotes that are used in mails.
3556 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3557 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3564 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3565 foreach ($matches as $mtch) {
3568 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3570 if (strpos($mime, 'video') !== false) {
3573 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3576 $url_parts = explode('/', $the_url);
3577 $id = end($url_parts);
3578 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3581 'title' => DI::l10n()->t('View Video'),
3588 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3590 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3591 $filesubtype = str_replace('.', '-', $filesubtype);
3594 $filesubtype = 'unkn';
3597 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3598 $title .= ' ' . $mtch[2] . ' ' . DI::l10n()->t('bytes');
3600 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3601 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3605 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3609 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3610 $x = Map::byCoordinates(trim($item['coord']));
3612 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3616 // Replace friendica image url size with theme preference.
3617 if (!empty($a->theme_info['item_image_size'])) {
3618 $ps = $a->theme_info['item_image_size'];
3619 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3622 $s = HTML::applyContentFilter($s, $filter_reasons);
3624 $hook_data = ['item' => $item, 'html' => $s];
3625 Hook::callAll('prepare_body_final', $hook_data);
3627 return $hook_data['html'];
3631 * get private link for item
3633 * @param array $item
3634 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3635 * @throws \Exception
3637 public static function getPlink($item)
3641 if ($a->user['nickname'] != "") {
3643 'href' => "display/" . $item['guid'],
3644 'orig' => "display/" . $item['guid'],
3645 'title' => DI::l10n()->t('View on separate page'),
3646 'orig_title' => DI::l10n()->t('view on separate page'),
3649 if (!empty($item['plink'])) {
3650 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3651 $ret["title"] = DI::l10n()->t('link to source');
3654 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3656 'href' => $item['plink'],
3657 'orig' => $item['plink'],
3658 'title' => DI::l10n()->t('link to source'),
3668 * Is the given item array a post that is sent as starting post to a forum?
3670 * @param array $item
3671 * @param array $owner
3673 * @return boolean "true" when it is a forum post
3675 public static function isForumPost(array $item, array $owner = [])
3677 if (empty($owner)) {
3678 $owner = User::getOwnerDataById($item['uid']);
3679 if (empty($owner)) {
3684 if (($item['author-id'] == $item['owner-id']) ||
3685 ($owner['id'] == $item['contact-id']) ||
3686 ($item['uri'] != $item['parent-uri']) ||
3691 return Contact::isForum($item['contact-id']);
3695 * Search item id for given URI or plink
3697 * @param string $uri
3698 * @param integer $uid
3700 * @return integer item id
3702 public static function searchByLink($uri, $uid = 0)
3704 $ssl_uri = str_replace('http://', 'https://', $uri);
3705 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3707 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3708 if (DBA::isResult($item)) {
3712 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3713 if (!DBA::isResult($itemcontent)) {
3717 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3718 if (!DBA::isResult($itemuri)) {
3722 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3723 if (DBA::isResult($item)) {
3731 * Fetches item for given URI or plink
3733 * @param string $uri
3734 * @param integer $uid
3736 * @return integer item id
3738 public static function fetchByLink($uri, $uid = 0)
3740 $item_id = self::searchByLink($uri, $uid);
3741 if (!empty($item_id)) {
3745 if ($fetched_uri = ActivityPub\Processor::fetchMissingActivity($uri)) {
3746 $item_id = self::searchByLink($fetched_uri, $uid);
3748 $item_id = Diaspora::fetchByURL($uri);
3751 if (!empty($item_id)) {
3759 * Return share data from an item array (if the item is shared item)
3760 * We are providing the complete Item array, because at some time in the future
3761 * we hopefully will define these values not in the body anymore but in some item fields.
3762 * This function is meant to replace all similar functions in the system.
3764 * @param array $item
3766 * @return array with share information
3768 public static function getShareArray($item)
3770 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3774 $attribute_string = $matches[2];
3775 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3776 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3777 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3778 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3785 * Fetch item information for shared items from the original items and adds it.
3787 * @param array $item
3789 * @return array item array with data from the original item
3791 public static function addShareDataFromOriginal($item)
3793 $shared = self::getShareArray($item);
3794 if (empty($shared)) {
3798 // Real reshares always have got a GUID.
3799 if (empty($shared['guid'])) {
3803 $uid = $item['uid'] ?? 0;
3805 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3806 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3807 if (!DBA::isResult($shared_item)) {
3808 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3809 $id = self::fetchByLink($shared['link'], $uid);
3811 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3815 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3816 if (!DBA::isResult($shared_item)) {
3819 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3821 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3824 if (!empty($shared_item['title'])) {
3825 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3826 unset($shared_item['title']);
3828 $body = $shared_item['body'];
3831 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3832 unset($shared_item['body']);
3834 return array_merge($item, $shared_item);