4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Content\Text\HTML;
12 use Friendica\Core\Config;
13 use Friendica\Core\Hook;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\Logger;
17 use Friendica\Core\PConfig;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Renderer;
20 use Friendica\Core\Session;
21 use Friendica\Core\System;
22 use Friendica\Core\Worker;
23 use Friendica\Database\DBA;
24 use Friendica\Protocol\Activity;
25 use Friendica\Protocol\ActivityPub;
26 use Friendica\Protocol\Diaspora;
27 use Friendica\Protocol\OStatus;
28 use Friendica\Util\ACLFormatter;
29 use Friendica\Util\DateTimeFormat;
30 use Friendica\Util\Map;
31 use Friendica\Util\Network;
32 use Friendica\Util\Security;
33 use Friendica\Util\Strings;
34 use Friendica\Util\XML;
35 use Friendica\Worker\Delivery;
36 use Text_LanguageDetect;
38 class Item extends BaseObject
40 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
47 const PT_DOCUMENT = 19;
49 const PT_PERSONAL_NOTE = 128;
51 // Field list that is used to display the items
52 const DISPLAY_FIELDLIST = [
53 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
54 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
55 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
56 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
57 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
58 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
59 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
60 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
61 'writable', 'self', 'cid', 'alias', 'pinned',
62 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
63 'event-summary', 'event-desc', 'event-location', 'event-type',
64 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
65 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
68 // Field list that is used to deliver items via the protocols
69 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
70 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
71 'private', 'title', 'body', 'location', 'coord', 'app',
72 'attach', 'tag', 'deleted', 'extid', 'post-type',
73 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
74 'author-id', 'author-link', 'owner-link', 'contact-uid',
75 'signed_text', 'signature', 'signer', 'network'];
77 // Field list for "item-content" table that is mixed with the item table
78 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
79 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
80 'object-type', 'object', 'target-type', 'target', 'plink'];
82 // Field list for "item-content" table that is not present in the "item" table
83 const CONTENT_FIELDLIST = ['language'];
85 // All fields in the item table
86 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
87 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
88 'created', 'edited', 'commented', 'received', 'changed', 'verb',
89 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
90 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
91 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
92 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
93 'title', 'content-warning', 'body', 'location', 'coord', 'app',
94 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
95 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
96 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
98 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
99 // The item-activity table only stores the index and needs this array to know the matching activity.
101 Activity::LIKE, Activity::DISLIKE,
102 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
106 private static $legacy_mode = null;
108 public static function isLegacyMode()
110 if (is_null(self::$legacy_mode)) {
111 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
114 return self::$legacy_mode;
118 * Set the pinned state of an item
120 * @param integer $iid Item ID
121 * @param integer $uid User ID
122 * @param boolean $pinned Pinned state
124 public static function setPinned(int $iid, int $uid, bool $pinned)
126 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
130 * Get the pinned state
132 * @param integer $iid Item ID
133 * @param integer $uid User ID
135 * @return boolean pinned state
137 public static function getPinned(int $iid, int $uid)
139 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
140 if (!DBA::isResult($useritem)) {
143 return (bool)$useritem['pinned'];
147 * @brief Select pinned rows from the item table for a given user
149 * @param integer $uid User ID
150 * @param array $selected Array of selected fields, empty for all
151 * @param array $condition Array of fields for condition
152 * @param array $params Array of several parameters
154 * @return boolean|object
157 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
159 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
160 if (!DBA::isResult($useritems)) {
165 while ($useritem = self::fetch($useritems)) {
166 $pinned[] = $useritem['iid'];
168 DBA::close($useritems);
170 if (empty($pinned)) {
174 if (empty($condition) || !is_array($condition)) {
175 $condition = ['iid' => $pinned];
178 $first_key = key($condition);
179 if (!is_int($first_key)) {
180 $condition['iid'] = $pinned;
182 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
183 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
184 $condition = array_merge($condition, $pinned);
188 return self::selectThreadForUser($uid, $selected, $condition, $params);
192 * @brief returns an activity index from an activity string
194 * @param string $activity activity string
195 * @return integer Activity index
197 public static function activityToIndex($activity)
199 $index = array_search($activity, self::ACTIVITIES);
201 if (is_bool($index)) {
209 * @brief returns an activity string from an activity index
211 * @param integer $index activity index
212 * @return string Activity string
214 private static function indexToActivity($index)
216 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
220 return self::ACTIVITIES[$index];
224 * @brief Fetch a single item row
226 * @param mixed $stmt statement object
227 * @return array current row
229 public static function fetch($stmt)
231 $row = DBA::fetch($stmt);
237 // ---------------------- Transform item structure data ----------------------
239 // We prefer the data from the user's contact over the public one
240 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
241 ($row['author-link'] == $row['contact-link'])) {
242 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
243 $row['author-avatar'] = $row['contact-avatar'];
245 if (isset($row['author-name']) && !empty($row['contact-name'])) {
246 $row['author-name'] = $row['contact-name'];
250 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
251 ($row['owner-link'] == $row['contact-link'])) {
252 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
253 $row['owner-avatar'] = $row['contact-avatar'];
255 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
256 $row['owner-name'] = $row['contact-name'];
260 // We can always comment on posts from these networks
261 if (array_key_exists('writable', $row) &&
262 in_array($row['internal-network'], Protocol::FEDERATED)) {
263 $row['writable'] = true;
266 // ---------------------- Transform item content data ----------------------
268 // Fetch data from the item-content table whenever there is content there
269 if (self::isLegacyMode()) {
270 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
271 foreach ($legacy_fields as $field) {
272 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
273 $row[$field] = $row['internal-item-' . $field];
275 unset($row['internal-item-' . $field]);
279 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
280 $row['verb'] = self::indexToActivity($row['internal-activity']);
281 if (array_key_exists('title', $row)) {
284 if (array_key_exists('body', $row)) {
285 $row['body'] = $row['verb'];
287 if (array_key_exists('object', $row)) {
290 if (array_key_exists('object-type', $row)) {
291 $row['object-type'] = Activity\ObjectType::NOTE;
293 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
294 // Posts don't have an object or target - but having tags or files.
295 // We safe some performance by building tag and file strings only here.
296 // We remove object and target since they aren't used for this type.
297 if (array_key_exists('object', $row)) {
300 if (array_key_exists('target', $row)) {
305 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
306 // Build the tag string out of the term entries
307 if (array_key_exists('tag', $row) && empty($row['tag'])) {
308 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
311 // Build the file string out of the term entries
312 if (array_key_exists('file', $row) && empty($row['file'])) {
313 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
317 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
318 $row['signed_text'] = $row['interaction'];
321 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
322 $row['ignored'] = $row['internal-user-ignored'];
325 // Remove internal fields
326 unset($row['internal-activity']);
327 unset($row['internal-network']);
328 unset($row['internal-iid']);
329 unset($row['internal-iaid']);
330 unset($row['internal-icid']);
331 unset($row['internal-user-ignored']);
332 unset($row['interaction']);
338 * @brief Fills an array with data from an item query
340 * @param object $stmt statement object
341 * @param bool $do_close
342 * @return array Data array
344 public static function inArray($stmt, $do_close = true) {
345 if (is_bool($stmt)) {
350 while ($row = self::fetch($stmt)) {
360 * @brief Check if item data exists
362 * @param array $condition array of fields for condition
364 * @return boolean Are there rows for that condition?
367 public static function exists($condition) {
368 $stmt = self::select(['id'], $condition, ['limit' => 1]);
370 if (is_bool($stmt)) {
373 $retval = (DBA::numRows($stmt) > 0);
382 * Retrieve a single record from the item table for a given user and returns it in an associative array
384 * @brief Retrieve a single record from a table
385 * @param integer $uid User ID
386 * @param array $selected
387 * @param array $condition
388 * @param array $params
393 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
395 $params['uid'] = $uid;
397 if (empty($selected)) {
398 $selected = Item::DISPLAY_FIELDLIST;
401 return self::selectFirst($selected, $condition, $params);
405 * @brief Select rows from the item table for a given user
407 * @param integer $uid User ID
408 * @param array $selected Array of selected fields, empty for all
409 * @param array $condition Array of fields for condition
410 * @param array $params Array of several parameters
412 * @return boolean|object
415 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
417 $params['uid'] = $uid;
419 if (empty($selected)) {
420 $selected = Item::DISPLAY_FIELDLIST;
423 return self::select($selected, $condition, $params);
427 * Retrieve a single record from the item table and returns it in an associative array
429 * @brief Retrieve a single record from a table
430 * @param array $fields
431 * @param array $condition
432 * @param array $params
437 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
439 $params['limit'] = 1;
441 $result = self::select($fields, $condition, $params);
443 if (is_bool($result)) {
446 $row = self::fetch($result);
453 * @brief Select rows from the item table and returns them as an array
455 * @param array $selected Array of selected fields, empty for all
456 * @param array $condition Array of fields for condition
457 * @param array $params Array of several parameters
462 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
464 $result = self::select($fields, $condition, $params);
466 if (is_bool($result)) {
471 while ($row = self::fetch($result)) {
480 * @brief Select rows from the item table
482 * @param array $selected Array of selected fields, empty for all
483 * @param array $condition Array of fields for condition
484 * @param array $params Array of several parameters
486 * @return boolean|object
489 public static function select(array $selected = [], array $condition = [], $params = [])
494 if (isset($params['uid'])) {
495 $uid = $params['uid'];
499 $fields = self::fieldlist($usermode);
501 $select_fields = self::constructSelectFields($fields, $selected);
503 $condition_string = DBA::buildCondition($condition);
505 $condition_string = self::addTablesToFields($condition_string, $fields);
508 $condition_string = $condition_string . ' AND ' . self::condition(false);
511 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
513 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
515 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
517 return DBA::p($sql, $condition);
521 * @brief Select rows from the starting post in the item table
523 * @param integer $uid User ID
524 * @param array $selected
525 * @param array $condition Array of fields for condition
526 * @param array $params Array of several parameters
528 * @return boolean|object
531 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
533 $params['uid'] = $uid;
535 if (empty($selected)) {
536 $selected = Item::DISPLAY_FIELDLIST;
539 return self::selectThread($selected, $condition, $params);
543 * Retrieve a single record from the starting post in the item table and returns it in an associative array
545 * @brief Retrieve a single record from a table
546 * @param integer $uid User ID
547 * @param array $selected
548 * @param array $condition
549 * @param array $params
554 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
556 $params['uid'] = $uid;
558 if (empty($selected)) {
559 $selected = Item::DISPLAY_FIELDLIST;
562 return self::selectFirstThread($selected, $condition, $params);
566 * Retrieve a single record from the starting post in the item table and returns it in an associative array
568 * @brief Retrieve a single record from a table
569 * @param array $fields
570 * @param array $condition
571 * @param array $params
576 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
578 $params['limit'] = 1;
579 $result = self::selectThread($fields, $condition, $params);
581 if (is_bool($result)) {
584 $row = self::fetch($result);
591 * @brief Select rows from the starting post in the item table
593 * @param array $selected Array of selected fields, empty for all
594 * @param array $condition Array of fields for condition
595 * @param array $params Array of several parameters
597 * @return boolean|object
600 public static function selectThread(array $selected = [], array $condition = [], $params = [])
605 if (isset($params['uid'])) {
606 $uid = $params['uid'];
610 $fields = self::fieldlist($usermode);
612 $fields['thread'] = ['mention', 'ignored', 'iid'];
614 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
615 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
616 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
617 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
619 $select_fields = self::constructSelectFields($fields, $selected);
621 $condition_string = DBA::buildCondition($condition);
623 $condition_string = self::addTablesToFields($condition_string, $threadfields);
624 $condition_string = self::addTablesToFields($condition_string, $fields);
627 $condition_string = $condition_string . ' AND ' . self::condition(true);
630 $param_string = DBA::buildParameter($params);
631 $param_string = self::addTablesToFields($param_string, $threadfields);
632 $param_string = self::addTablesToFields($param_string, $fields);
634 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
636 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
638 return DBA::p($sql, $condition);
642 * @brief Returns a list of fields that are associated with the item table
645 * @return array field list
647 private static function fieldlist($usermode)
651 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
652 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
653 'created', 'edited', 'commented', 'received', 'changed', 'psid',
654 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
655 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
656 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
657 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
658 'network' => 'internal-network', 'icid' => 'internal-icid',
659 'iaid' => 'internal-iaid'];
662 $fields['user-item'] = ['pinned', 'ignored' => 'internal-user-ignored'];
665 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
667 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
669 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
671 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
673 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
674 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
676 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
677 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
679 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
680 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
681 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
683 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
685 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
687 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
688 'start' => 'event-start','finish' => 'event-finish',
689 'summary' => 'event-summary','desc' => 'event-desc',
690 'location' => 'event-location', 'type' => 'event-type',
691 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
692 'ignore' => 'event-ignore', 'id' => 'event-id'];
694 $fields['sign'] = ['signed_text', 'signature', 'signer'];
696 $fields['diaspora-interaction'] = ['interaction'];
702 * @brief Returns SQL condition for the "select" functions
704 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
706 * @return string SQL condition
708 private static function condition($thread_mode)
711 $master_table = "`thread`";
713 $master_table = "`item`";
715 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
716 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
717 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
718 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
719 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
720 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
721 GRAVITY_PARENT, GRAVITY_PARENT);
725 * @brief Returns all needed "JOIN" commands for the "select" functions
727 * @param integer $uid User ID
728 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
729 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
732 * @return string The SQL joins for the "select" functions
734 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
737 $master_table = "`thread`";
738 $master_table_key = "`thread`.`iid`";
739 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
741 $master_table = "`item`";
742 $master_table_key = "`item`.`id`";
747 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
748 AND NOT `contact`.`blocked`
749 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
750 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
751 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
752 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
753 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
754 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
755 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
756 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
758 if (strpos($sql_commands, "`contact`.") !== false) {
759 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
761 if (strpos($sql_commands, "`author`.") !== false) {
762 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
764 if (strpos($sql_commands, "`owner`.") !== false) {
765 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
769 if (strpos($sql_commands, "`group_member`.") !== false) {
770 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
773 if (strpos($sql_commands, "`user`.") !== false) {
774 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
777 if (strpos($sql_commands, "`event`.") !== false) {
778 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
781 if (strpos($sql_commands, "`sign`.") !== false) {
782 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
785 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
786 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
789 if (strpos($sql_commands, "`item-activity`.") !== false) {
790 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
793 if (strpos($sql_commands, "`item-content`.") !== false) {
794 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
797 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
798 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
801 if (strpos($sql_commands, "`permissionset`.") !== false) {
802 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
805 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
806 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
809 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
810 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
817 * @brief Add the field list for the "select" functions
819 * @param array $fields The field definition array
820 * @param array $selected The array with the selected fields from the "select" functions
822 * @return string The field list
824 private static function constructSelectFields($fields, $selected)
826 if (!empty($selected)) {
827 $selected[] = 'internal-iid';
828 $selected[] = 'internal-iaid';
829 $selected[] = 'internal-icid';
830 $selected[] = 'internal-network';
833 if (in_array('verb', $selected)) {
834 $selected[] = 'internal-activity';
837 if (in_array('ignored', $selected)) {
838 $selected[] = 'internal-user-ignored';
841 if (in_array('signed_text', $selected)) {
842 $selected[] = 'interaction';
845 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
848 foreach ($fields as $table => $table_fields) {
849 foreach ($table_fields as $field => $select) {
850 if (empty($selected) || in_array($select, $selected)) {
851 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
852 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
854 if (is_int($field)) {
855 $selection[] = "`" . $table . "`.`" . $select . "`";
857 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
862 return implode(", ", $selection);
866 * @brief add table definition to fields in an SQL query
868 * @param string $query SQL query
869 * @param array $fields The field definition array
871 * @return string the changed SQL query
873 private static function addTablesToFields($query, $fields)
875 foreach ($fields as $table => $table_fields) {
876 foreach ($table_fields as $alias => $field) {
877 if (is_int($alias)) {
878 $replace_field = $field;
880 $replace_field = $alias;
883 $search = "/([^\.])`" . $field . "`/i";
884 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
885 $query = preg_replace($search, $replace, $query);
892 * @brief Update existing item entries
894 * @param array $fields The fields that are to be changed
895 * @param array $condition The condition for finding the item entries
897 * In the future we may have to change permissions as well.
898 * Then we had to add the user id as third parameter.
900 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
902 * @return integer|boolean number of affected rows - or "false" if there was an error
903 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
905 public static function update(array $fields, array $condition)
907 if (empty($condition) || empty($fields)) {
911 // To ensure the data integrity we do it in an transaction
914 // We cannot simply expand the condition to check for origin entries
915 // The condition needn't to be a simple array but could be a complex condition.
916 // And we have to execute this query before the update to ensure to fetch the same data.
917 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
919 $content_fields = [];
920 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
921 if (isset($fields[$field])) {
922 $content_fields[$field] = $fields[$field];
923 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
924 unset($fields[$field]);
926 $fields[$field] = null;
931 $delivery_data = ItemDeliveryData::extractFields($fields);
933 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
934 foreach ($clear_fields as $field) {
935 if (array_key_exists($field, $fields)) {
936 $fields[$field] = null;
940 if (array_key_exists('tag', $fields)) {
941 $tags = $fields['tag'];
942 $fields['tag'] = null;
947 if (array_key_exists('file', $fields)) {
948 $files = $fields['file'];
949 $fields['file'] = null;
954 if (!empty($fields)) {
955 $success = DBA::update('item', $fields, $condition);
964 // When there is no content for the "old" item table, this will count the fetched items
965 $rows = DBA::affectedRows();
969 while ($item = DBA::fetch($items)) {
970 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
971 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
973 if (empty($item['iaid'])) {
974 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
975 if (DBA::isResult($item_activity)) {
976 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
977 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
978 if (self::isLegacyMode()) {
979 $item_fields[$field] = null;
981 unset($item_fields[$field]);
984 DBA::update('item', $item_fields, ['id' => $item['id']]);
986 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
987 DBA::delete('item-content', ['id' => $item['icid']]);
990 } elseif (!empty($item['icid'])) {
991 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
993 if (!DBA::exists('item', ['icid' => $item['icid']])) {
994 DBA::delete('item-content', ['id' => $item['icid']]);
998 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
1000 if (empty($item['icid'])) {
1001 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1002 if (DBA::isResult($item_content)) {
1003 $item_fields = ['icid' => $item_content['id']];
1004 // Clear all fields in the item table that have a content in the item-content table
1005 foreach ($item_content as $field => $content) {
1006 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1007 if (self::isLegacyMode()) {
1008 $item_fields[$field] = null;
1010 unset($item_fields[$field]);
1014 DBA::update('item', $item_fields, ['id' => $item['id']]);
1019 if (!is_null($tags)) {
1020 Term::insertFromTagFieldByItemId($item['id'], $tags);
1021 if (!empty($item['tag'])) {
1022 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1026 if (!is_null($files)) {
1027 Term::insertFromFileFieldByItemId($item['id'], $files);
1028 if (!empty($item['file'])) {
1029 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1033 ItemDeliveryData::update($item['id'], $delivery_data);
1035 self::updateThread($item['id']);
1037 // We only need to notfiy others when it is an original entry from us.
1038 // Only call the notifier when the item has some content relevant change.
1039 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1040 $notify_items[] = $item['id'];
1047 foreach ($notify_items as $notify_item) {
1048 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1055 * @brief Delete an item and notify others about it - if it was ours
1057 * @param array $condition The condition for finding the item entries
1058 * @param integer $priority Priority for the notification
1059 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1061 public static function delete($condition, $priority = PRIORITY_HIGH)
1063 $items = self::select(['id'], $condition);
1064 while ($item = self::fetch($items)) {
1065 self::deleteById($item['id'], $priority);
1071 * @brief Delete an item for an user and notify others about it - if it was ours
1073 * @param array $condition The condition for finding the item entries
1074 * @param integer $uid User who wants to delete this item
1075 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1077 public static function deleteForUser($condition, $uid)
1083 $items = self::select(['id', 'uid'], $condition);
1084 while ($item = self::fetch($items)) {
1085 // "Deleting" global items just means hiding them
1086 if ($item['uid'] == 0) {
1087 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1088 } elseif ($item['uid'] == $uid) {
1089 self::deleteById($item['id'], PRIORITY_HIGH);
1091 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1098 * @brief Delete an item and notify others about it - if it was ours
1100 * @param integer $item_id Item ID that should be delete
1101 * @param integer $priority Priority for the notification
1103 * @return boolean success
1104 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1106 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1108 // locate item to be deleted
1109 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1110 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1111 'verb', 'object-type', 'object', 'target', 'contact-id',
1112 'icid', 'iaid', 'psid'];
1113 $item = self::selectFirst($fields, ['id' => $item_id]);
1114 if (!DBA::isResult($item)) {
1115 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1119 if ($item['deleted']) {
1120 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1124 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1125 if (!DBA::isResult($parent)) {
1126 $parent = ['origin' => false];
1129 // clean up categories and tags so they don't end up as orphans
1132 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1135 foreach ($matches as $mtch) {
1136 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1142 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1145 foreach ($matches as $mtch) {
1146 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1151 * If item is a link to a photo resource, nuke all the associated photos
1152 * (visitors will not have photo resources)
1153 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1154 * generate a resource-id and therefore aren't intimately linked to the item.
1156 /// @TODO: this should first check if photo is used elsewhere
1157 if (strlen($item['resource-id'])) {
1158 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1161 // If item is a link to an event, delete the event.
1162 if (intval($item['event-id'])) {
1163 Event::delete($item['event-id']);
1166 // If item has attachments, drop them
1167 /// @TODO: this should first check if attachment is used elsewhere
1168 foreach (explode(",", $item['attach']) as $attach) {
1169 preg_match("|attach/(\d+)|", $attach, $matches);
1170 if (is_array($matches) && count($matches) > 1) {
1171 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1175 // Delete tags that had been attached to other items
1176 self::deleteTagsFromItem($item);
1178 // Set the item to "deleted"
1179 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1180 DBA::update('item', $item_fields, ['id' => $item['id']]);
1182 Term::insertFromTagFieldByItemId($item['id'], '');
1183 Term::insertFromFileFieldByItemId($item['id'], '');
1184 self::deleteThread($item['id'], $item['parent-uri']);
1186 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1187 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1190 ItemDeliveryData::delete($item['id']);
1192 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1194 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1195 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1197 // When the permission set will be used in photo and events as well,
1198 // this query here needs to be extended.
1199 // @todo Currently deactivated. We need the permission set in the deletion process.
1200 // This is a reminder to add the removal somewhere else.
1201 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1202 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1205 // If it's the parent of a comment thread, kill all the kids
1206 if ($item['id'] == $item['parent']) {
1207 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1210 // Is it our comment and/or our thread?
1211 if ($item['origin'] || $parent['origin']) {
1213 // When we delete the original post we will delete all existing copies on the server as well
1214 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1216 // send the notification upstream/downstream
1217 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1218 } elseif ($item['uid'] != 0) {
1220 // When we delete just our local user copy of an item, we have to set a marker to hide it
1221 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1222 if (DBA::isResult($global_item)) {
1223 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1227 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1232 private static function deleteTagsFromItem($item)
1234 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1238 $xo = XML::parseString($item["object"], false);
1239 $xt = XML::parseString($item["target"], false);
1241 if ($xt->type != Activity\ObjectType::NOTE) {
1245 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1246 if (!DBA::isResult($i)) {
1250 // For tags, the owner cannot remove the tag on the author's copy of the post.
1251 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1252 $author_copy = $item["origin"];
1254 if (($owner_remove && $author_copy) || !$owner_remove) {
1258 $tags = explode(',', $i["tag"]);
1261 foreach ($tags as $tag) {
1262 if (trim($tag) !== trim($xo->body)) {
1263 $newtags[] = trim($tag);
1267 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1270 private static function guid($item, $notify)
1272 if (!empty($item['guid'])) {
1273 return Strings::escapeTags(trim($item['guid']));
1277 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1278 // We add the hash of our own host because our host is the original creator of the post.
1279 $prefix_host = \get_app()->getHostName();
1283 // We are only storing the post so we create a GUID from the original hostname.
1284 if (!empty($item['author-link'])) {
1285 $parsed = parse_url($item['author-link']);
1286 if (!empty($parsed['host'])) {
1287 $prefix_host = $parsed['host'];
1291 if (empty($prefix_host) && !empty($item['plink'])) {
1292 $parsed = parse_url($item['plink']);
1293 if (!empty($parsed['host'])) {
1294 $prefix_host = $parsed['host'];
1298 if (empty($prefix_host) && !empty($item['uri'])) {
1299 $parsed = parse_url($item['uri']);
1300 if (!empty($parsed['host'])) {
1301 $prefix_host = $parsed['host'];
1305 // Is it in the format data@host.tld? - Used for mail contacts
1306 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1307 $mailparts = explode('@', $item['author-link']);
1308 $prefix_host = array_pop($mailparts);
1312 if (!empty($item['plink'])) {
1313 $guid = self::guidFromUri($item['plink'], $prefix_host);
1314 } elseif (!empty($item['uri'])) {
1315 $guid = self::guidFromUri($item['uri'], $prefix_host);
1317 $guid = System::createUUID(hash('crc32', $prefix_host));
1323 private static function contactId($item)
1325 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1326 return $item['contact-id'];
1327 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1328 return $item['contact-id'];
1329 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1330 return $item['author-id'];
1331 } elseif (!empty($item['contact-id'])) {
1332 return $item['contact-id'];
1334 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1335 if (!empty($contact_id)) {
1339 return $item['author-id'];
1342 // This function will finally cover most of the preparation functionality in mod/item.php
1343 public static function prepare(&$item)
1346 * @TODO: Unused code triggering inspection errors
1348 $data = BBCode::getAttachmentData($item['body']);
1349 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1350 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1351 $posttype = Item::PT_PAGE;
1352 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1358 * Write an item array into a spool file to be inserted later.
1359 * This command is called whenever there are issues storing an item.
1361 * @param array $item The item fields that are to be inserted
1362 * @throws \Exception
1364 private static function spool($orig_item)
1366 // Now we store the data in the spool directory
1367 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1368 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1370 $spoolpath = get_spoolpath();
1371 if ($spoolpath != "") {
1372 $spool = $spoolpath . '/' . $file;
1374 file_put_contents($spool, json_encode($orig_item));
1375 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1379 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1383 $priority = PRIORITY_HIGH;
1385 // If it is a posting where users should get notifications, then define it as wall posting
1388 $item['origin'] = 1;
1389 $item['network'] = Protocol::DFRN;
1390 $item['protocol'] = Conversation::PARCEL_DFRN;
1392 if (is_int($notify)) {
1393 $priority = $notify;
1396 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1399 $item['guid'] = self::guid($item, $notify);
1400 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1403 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1405 // Store conversation data
1406 $item = Conversation::insert($item);
1409 * If a Diaspora signature structure was passed in, pull it out of the
1410 * item array and set it aside for later storage.
1414 if (isset($item['dsprsig'])) {
1415 $encoded_signature = $item['dsprsig'];
1416 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1417 unset($item['dsprsig']);
1420 $diaspora_signed_text = '';
1421 if (isset($item['diaspora_signed_text'])) {
1422 $diaspora_signed_text = $item['diaspora_signed_text'];
1423 unset($item['diaspora_signed_text']);
1426 // Converting the plink
1427 /// @TODO Check if this is really still needed
1428 if ($item['network'] == Protocol::OSTATUS) {
1429 if (isset($item['plink'])) {
1430 $item['plink'] = OStatus::convertHref($item['plink']);
1431 } elseif (isset($item['uri'])) {
1432 $item['plink'] = OStatus::convertHref($item['uri']);
1436 if (!empty($item['thr-parent'])) {
1437 $item['parent-uri'] = $item['thr-parent'];
1440 /** @var Activity $activity */
1441 $activity = self::getClass(Activity::class);
1443 if (isset($item['gravity'])) {
1444 $item['gravity'] = intval($item['gravity']);
1445 } elseif ($item['parent-uri'] === $item['uri']) {
1446 $item['gravity'] = GRAVITY_PARENT;
1447 } elseif ($activity->match($item['verb'], Activity::POST)) {
1448 $item['gravity'] = GRAVITY_COMMENT;
1449 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1450 $item['gravity'] = GRAVITY_ACTIVITY;
1452 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1453 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1456 $uid = intval($item['uid']);
1458 // check for create date and expire time
1459 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1461 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1462 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1463 $expire_interval = $user['expire'];
1466 if (($expire_interval > 0) && !empty($item['created'])) {
1467 $expire_date = time() - ($expire_interval * 86400);
1468 $created_date = strtotime($item['created']);
1469 if ($created_date < $expire_date) {
1470 Logger::notice('Item created before expiration interval.', [
1471 'created' => date('c', $created_date),
1472 'expired' => date('c', $expire_date),
1480 * Do we already have this item?
1481 * We have to check several networks since Friendica posts could be repeated
1482 * via OStatus (maybe Diasporsa as well)
1484 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1485 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1486 trim($item['uri']), $item['uid'],
1487 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1488 $existing = self::selectFirst(['id', 'network'], $condition);
1489 if (DBA::isResult($existing)) {
1490 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1492 Logger::notice('Item already existed for user', [
1493 'uri' => $item['uri'],
1495 'network' => $item['network'],
1496 'existing_id' => $existing["id"],
1497 'existing_network' => $existing["network"]
1501 return $existing["id"];
1505 $item['wall'] = intval($item['wall'] ?? 0);
1506 $item['extid'] = trim($item['extid'] ?? '');
1507 $item['author-name'] = trim($item['author-name'] ?? '');
1508 $item['author-link'] = trim($item['author-link'] ?? '');
1509 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1510 $item['owner-name'] = trim($item['owner-name'] ?? '');
1511 $item['owner-link'] = trim($item['owner-link'] ?? '');
1512 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1513 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1514 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1515 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1516 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1517 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1518 $item['title'] = trim($item['title'] ?? '');
1519 $item['location'] = trim($item['location'] ?? '');
1520 $item['coord'] = trim($item['coord'] ?? '');
1521 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1522 $item['deleted'] = 0;
1523 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1524 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1525 $item['verb'] = trim($item['verb'] ?? '');
1526 $item['object-type'] = trim($item['object-type'] ?? '');
1527 $item['object'] = trim($item['object'] ?? '');
1528 $item['target-type'] = trim($item['target-type'] ?? '');
1529 $item['target'] = trim($item['target'] ?? '');
1530 $item['plink'] = trim($item['plink'] ?? '');
1531 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1532 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1533 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1534 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1535 $item['private'] = intval($item['private'] ?? 0);
1536 $item['body'] = trim($item['body'] ?? '');
1537 $item['tag'] = trim($item['tag'] ?? '');
1538 $item['attach'] = trim($item['attach'] ?? '');
1539 $item['app'] = trim($item['app'] ?? '');
1540 $item['origin'] = intval($item['origin'] ?? 0);
1541 $item['postopts'] = trim($item['postopts'] ?? '');
1542 $item['resource-id'] = trim($item['resource-id'] ?? '');
1543 $item['event-id'] = intval($item['event-id'] ?? 0);
1544 $item['inform'] = trim($item['inform'] ?? '');
1545 $item['file'] = trim($item['file'] ?? '');
1547 // When there is no content then we don't post it
1548 if ($item['body'].$item['title'] == '') {
1549 Logger::notice('No body, no title.');
1553 self::addLanguageToItemArray($item);
1555 // Items cannot be stored before they happen ...
1556 if ($item['created'] > DateTimeFormat::utcNow()) {
1557 $item['created'] = DateTimeFormat::utcNow();
1560 // We haven't invented time travel by now.
1561 if ($item['edited'] > DateTimeFormat::utcNow()) {
1562 $item['edited'] = DateTimeFormat::utcNow();
1565 $item['plink'] = ($item['plink'] ?? '') ?: System::baseUrl() . '/display/' . urlencode($item['guid']);
1567 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1568 'photo' => $item['author-avatar'], 'network' => $item['network']];
1570 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1572 if (Contact::isBlocked($item['author-id'])) {
1573 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1577 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1578 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1582 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1583 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1587 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1588 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1590 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1592 if (Contact::isBlocked($item['owner-id'])) {
1593 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1597 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1598 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1602 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1603 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1607 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1608 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1609 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1613 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1614 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1618 // We don't store the causer, we only have it here for the checks above
1619 unset($item['causer-id']);
1620 unset($item['causer-link']);
1622 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1623 $item["contact-id"] = self::contactId($item);
1625 if ($item['network'] == Protocol::PHANTOM) {
1626 $item['network'] = Protocol::DFRN;
1627 Logger::notice('Missing network, setting to {network}.', [
1628 'uri' => $item["uri"],
1629 'network' => $item['network'],
1630 'callstack' => System::callstack()
1634 // Checking if there is already an item with the same guid
1635 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1636 if (self::exists($condition)) {
1637 Logger::notice('Found already existing item', [
1638 'guid' => $item['guid'],
1639 'uid' => $item['uid'],
1640 'network' => $item['network']
1645 if ($item['verb'] == Activity::FOLLOW) {
1646 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1647 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1648 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1652 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1653 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1654 if (self::exists($condition)) {
1655 // It happens that we receive multiple follow requests by the same author - we only store one.
1656 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1661 // Check for hashtags in the body and repair or add hashtag links
1662 self::setHashtags($item);
1664 $item['thr-parent'] = $item['parent-uri'];
1666 $notify_type = Delivery::POST;
1672 if ($item['parent-uri'] === $item['uri']) {
1674 $parent_deleted = 0;
1675 $allow_cid = $item['allow_cid'];
1676 $allow_gid = $item['allow_gid'];
1677 $deny_cid = $item['deny_cid'];
1678 $deny_gid = $item['deny_gid'];
1680 // find the parent and snarf the item id and ACLs
1681 // and anything else we need to inherit
1683 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1684 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1685 'wall', 'private', 'forum_mode', 'origin'];
1686 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1687 $params = ['order' => ['id' => false]];
1688 $parent = self::selectFirst($fields, $condition, $params);
1690 if (DBA::isResult($parent)) {
1691 // is the new message multi-level threaded?
1692 // even though we don't support it now, preserve the info
1693 // and re-attach to the conversation parent.
1695 if ($parent['uri'] != $parent['parent-uri']) {
1696 $item['parent-uri'] = $parent['parent-uri'];
1698 $condition = ['uri' => $item['parent-uri'],
1699 'parent-uri' => $item['parent-uri'],
1700 'uid' => $item['uid']];
1701 $params = ['order' => ['id' => false]];
1702 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1704 if (DBA::isResult($toplevel_parent)) {
1705 $parent = $toplevel_parent;
1709 $parent_id = $parent['id'];
1710 $parent_deleted = $parent['deleted'];
1711 $allow_cid = $parent['allow_cid'];
1712 $allow_gid = $parent['allow_gid'];
1713 $deny_cid = $parent['deny_cid'];
1714 $deny_gid = $parent['deny_gid'];
1715 $item['wall'] = $parent['wall'];
1718 * If the parent is private, force privacy for the entire conversation
1719 * This differs from the above settings as it subtly allows comments from
1720 * email correspondents to be private even if the overall thread is not.
1722 if ($parent['private']) {
1723 $item['private'] = $parent['private'];
1727 * Edge case. We host a public forum that was originally posted to privately.
1728 * The original author commented, but as this is a comment, the permissions
1729 * weren't fixed up so it will still show the comment as private unless we fix it here.
1731 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1732 $item['private'] = 0;
1735 // If its a post that originated here then tag the thread as "mention"
1736 if ($item['origin'] && $item['uid']) {
1737 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1738 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1742 * Allow one to see reply tweets from status.net even when
1743 * we don't have or can't see the original post.
1745 if ($force_parent) {
1746 Logger::log('$force_parent=true, reply converted to top-level post.');
1748 $item['parent-uri'] = $item['uri'];
1749 $item['gravity'] = GRAVITY_PARENT;
1751 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1755 $parent_deleted = 0;
1759 if (stristr($item['verb'], Activity::POKE)) {
1760 $notify_type = Delivery::POKE;
1763 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1764 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1766 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1767 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1768 if (self::exists($condition)) {
1769 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1773 // On Friendica and Diaspora the GUID is unique
1774 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1775 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1776 if (self::exists($condition)) {
1777 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1780 } elseif ($item['network'] == Protocol::OSTATUS) {
1781 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1782 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1783 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1784 if (self::exists($condition)) {
1785 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1790 // Is this item available in the global items (with uid=0)?
1791 if ($item["uid"] == 0) {
1792 $item["global"] = true;
1794 // Set the global flag on all items if this was a global item entry
1795 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1797 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1801 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1804 $private = $item['private'];
1807 $item["allow_cid"] = $allow_cid;
1808 $item["allow_gid"] = $allow_gid;
1809 $item["deny_cid"] = $deny_cid;
1810 $item["deny_gid"] = $deny_gid;
1811 $item["private"] = $private;
1812 $item["deleted"] = $parent_deleted;
1814 // Fill the cache field
1815 self::putInCache($item);
1818 $item['edit'] = false;
1819 $item['parent'] = $parent_id;
1820 Hook::callAll('post_local', $item);
1821 unset($item['edit']);
1822 unset($item['parent']);
1824 Hook::callAll('post_remote', $item);
1827 // This array field is used to trigger some automatic reactions
1828 // It is mainly used in the "post_local" hook.
1829 unset($item['api_source']);
1831 if (!empty($item['cancel'])) {
1832 Logger::log('post cancelled by addon.');
1837 * Check for already added items.
1838 * There is a timing issue here that sometimes creates double postings.
1839 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1841 if ($item["uid"] == 0) {
1842 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1843 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1848 Logger::log('' . print_r($item,true), Logger::DATA);
1850 if (array_key_exists('tag', $item)) {
1851 $tags = $item['tag'];
1852 unset($item['tag']);
1857 if (array_key_exists('file', $item)) {
1858 $files = $item['file'];
1859 unset($item['file']);
1864 // Creates or assigns the permission set
1865 $item['psid'] = PermissionSet::fetchIDForPost($item);
1867 // We are doing this outside of the transaction to avoid timing problems
1868 if (!self::insertActivity($item)) {
1869 self::insertContent($item);
1872 $delivery_data = ItemDeliveryData::extractFields($item);
1874 unset($item['postopts']);
1875 unset($item['inform']);
1877 // These fields aren't stored anymore in the item table, they are fetched upon request
1878 unset($item['author-link']);
1879 unset($item['author-name']);
1880 unset($item['author-avatar']);
1881 unset($item['author-network']);
1883 unset($item['owner-link']);
1884 unset($item['owner-name']);
1885 unset($item['owner-avatar']);
1887 $like_no_comment = Config::get('system', 'like_no_comment');
1890 $ret = DBA::insert('item', $item);
1892 // When the item was successfully stored we fetch the ID of the item.
1893 if (DBA::isResult($ret)) {
1894 $current_post = DBA::lastInsertId();
1896 // This can happen - for example - if there are locking timeouts.
1899 // Store the data into a spool file so that we can try again later.
1900 self::spool($orig_item);
1904 if ($current_post == 0) {
1905 // This is one of these error messages that never should occur.
1906 Logger::log("couldn't find created item - we better quit now.");
1911 // How much entries have we created?
1912 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1913 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1916 // There are duplicates. We delete our just created entry.
1917 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1919 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1920 DBA::delete('item', ['id' => $current_post]);
1923 } elseif ($entries == 0) {
1924 // This really should never happen since we quit earlier if there were problems.
1925 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1930 Logger::log('created item '.$current_post);
1932 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1933 $parent_id = $current_post;
1937 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1939 $item['id'] = $current_post;
1940 $item['parent'] = $parent_id;
1942 // update the commented timestamp on the parent
1943 // Only update "commented" if it is really a comment
1944 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1945 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1947 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1952 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1953 * We can check for this condition when we decode and encode the stuff again.
1955 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1956 $dsprsig->signature = base64_decode($dsprsig->signature);
1957 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1960 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1961 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1963 // The other fields are used by very old Friendica servers, so we currently store them differently
1964 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1965 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1969 if (!empty($diaspora_signed_text)) {
1970 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1973 if ($item['parent-uri'] === $item['uri']) {
1974 self::addThread($current_post);
1976 self::updateThread($parent_id);
1979 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1980 ItemDeliveryData::insert($current_post, $delivery_data);
1986 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1987 * This is not perfect - but a workable solution until we found the reason for the problem.
1989 if (!empty($tags)) {
1990 Term::insertFromTagFieldByItemId($current_post, $tags);
1993 if (!empty($files)) {
1994 Term::insertFromFileFieldByItemId($current_post, $files);
1997 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1998 if (self::tagDeliver($item['uid'], $current_post)) {
1999 // Get the user information for the logging
2000 $user = User::getById($uid);
2002 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2007 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2008 if (DBA::isResult($posted_item)) {
2010 Hook::callAll('post_local_end', $posted_item);
2012 Hook::callAll('post_remote_end', $posted_item);
2015 Logger::log('new item not found in DB, id ' . $current_post);
2019 if ($item['parent-uri'] === $item['uri']) {
2020 self::addShadow($current_post);
2022 self::addShadowPost($current_post);
2025 self::updateContact($item);
2027 check_user_notification($current_post);
2029 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2030 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2033 return $current_post;
2037 * @brief Insert a new item content entry
2039 * @param array $item The item fields that are to be inserted
2041 * @throws \Exception
2043 private static function insertActivity(&$item)
2045 $activity_index = self::activityToIndex($item['verb']);
2047 if ($activity_index < 0) {
2051 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2053 // We just remove everything that is content
2054 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2055 unset($item[$field]);
2058 // To avoid timing problems, we are using locks.
2059 $locked = Lock::acquire('item_insert_activity');
2061 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2064 // Do we already have this content?
2065 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2066 if (DBA::isResult($item_activity)) {
2067 $item['iaid'] = $item_activity['id'];
2068 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2069 } elseif (DBA::insert('item-activity', $fields)) {
2070 $item['iaid'] = DBA::lastInsertId();
2071 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2073 // This shouldn't happen.
2074 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2075 Lock::release('item_insert_activity');
2079 Lock::release('item_insert_activity');
2085 * @brief Insert a new item content entry
2087 * @param array $item The item fields that are to be inserted
2088 * @throws \Exception
2090 private static function insertContent(&$item)
2092 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2094 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2095 if (isset($item[$field])) {
2096 $fields[$field] = $item[$field];
2097 unset($item[$field]);
2101 // To avoid timing problems, we are using locks.
2102 $locked = Lock::acquire('item_insert_content');
2104 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2107 // Do we already have this content?
2108 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2109 if (DBA::isResult($item_content)) {
2110 $item['icid'] = $item_content['id'];
2111 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2112 } elseif (DBA::insert('item-content', $fields)) {
2113 $item['icid'] = DBA::lastInsertId();
2114 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2116 // This shouldn't happen.
2117 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2120 Lock::release('item_insert_content');
2125 * @brief Update existing item content entries
2127 * @param array $item The item fields that are to be changed
2128 * @param array $condition The condition for finding the item content entries
2130 * @throws \Exception
2132 private static function updateActivity($item, $condition)
2134 if (empty($item['verb'])) {
2137 $activity_index = self::activityToIndex($item['verb']);
2139 if ($activity_index < 0) {
2143 $fields = ['activity' => $activity_index];
2145 Logger::log('Update activity for ' . json_encode($condition));
2147 DBA::update('item-activity', $fields, $condition, true);
2153 * @brief Update existing item content entries
2155 * @param array $item The item fields that are to be changed
2156 * @param array $condition The condition for finding the item content entries
2157 * @throws \Exception
2159 private static function updateContent($item, $condition)
2161 // We have to select only the fields from the "item-content" table
2163 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2164 if (isset($item[$field])) {
2165 $fields[$field] = $item[$field];
2169 if (empty($fields)) {
2170 // when there are no fields at all, just use the condition
2171 // This is to ensure that we always store content.
2172 $fields = $condition;
2175 Logger::log('Update content for ' . json_encode($condition));
2177 DBA::update('item-content', $fields, $condition, true);
2181 * @brief Distributes public items to the receivers
2183 * @param integer $itemid Item ID that should be added
2184 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2185 * @throws \Exception
2187 public static function distribute($itemid, $signed_text = '')
2189 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2190 $parent = self::selectFirst(['owner-id'], $condition);
2191 if (!DBA::isResult($parent)) {
2195 // Only distribute public items from native networks
2196 $condition = ['id' => $itemid, 'uid' => 0,
2197 'network' => array_merge(Protocol::FEDERATED ,['']),
2198 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2199 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2200 if (!DBA::isResult($item)) {
2204 $origin = $item['origin'];
2207 unset($item['parent']);
2208 unset($item['mention']);
2209 unset($item['wall']);
2210 unset($item['origin']);
2211 unset($item['starred']);
2215 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2216 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2217 if (!DBA::isResult($owner)) {
2221 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2222 $contacts = DBA::select('contact', ['uid'], $condition);
2223 while ($contact = DBA::fetch($contacts)) {
2224 if ($contact['uid'] == 0) {
2228 $users[$contact['uid']] = $contact['uid'];
2230 DBA::close($contacts);
2232 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2233 $contacts = DBA::select('contact', ['uid'], $condition);
2234 while ($contact = DBA::fetch($contacts)) {
2235 if ($contact['uid'] == 0) {
2239 $users[$contact['uid']] = $contact['uid'];
2241 DBA::close($contacts);
2243 if (!empty($owner['alias'])) {
2244 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2245 $contacts = DBA::select('contact', ['uid'], $condition);
2246 while ($contact = DBA::fetch($contacts)) {
2247 if ($contact['uid'] == 0) {
2251 $users[$contact['uid']] = $contact['uid'];
2253 DBA::close($contacts);
2258 if ($item['uri'] != $item['parent-uri']) {
2259 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2260 while ($parent = self::fetch($parents)) {
2261 $users[$parent['uid']] = $parent['uid'];
2262 if ($parent['origin'] && !$origin) {
2263 $origin_uid = $parent['uid'];
2268 foreach ($users as $uid) {
2269 if ($origin_uid == $uid) {
2270 $item['diaspora_signed_text'] = $signed_text;
2272 self::storeForUser($itemid, $item, $uid);
2277 * @brief Store public items for the receivers
2279 * @param integer $itemid Item ID that should be added
2280 * @param array $item The item entry that will be stored
2281 * @param integer $uid The user that will receive the item entry
2282 * @throws \Exception
2284 private static function storeForUser($itemid, $item, $uid)
2286 $item['uid'] = $uid;
2287 $item['origin'] = 0;
2289 if ($item['uri'] == $item['parent-uri']) {
2290 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2292 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2295 if (empty($item['contact-id'])) {
2296 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2297 if (!DBA::isResult($self)) {
2300 $item['contact-id'] = $self['id'];
2303 /// @todo Handling of "event-id"
2306 if ($item['uri'] == $item['parent-uri']) {
2307 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2308 if (DBA::isResult($contact)) {
2309 $notify = self::isRemoteSelf($contact, $item);
2313 $distributed = self::insert($item, false, $notify, true);
2315 if (!$distributed) {
2316 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2318 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2323 * @brief Add a shadow entry for a given item id that is a thread starter
2325 * We store every public item entry additionally with the user id "0".
2326 * This is used for the community page and for the search.
2327 * It is planned that in the future we will store public item entries only once.
2329 * @param integer $itemid Item ID that should be added
2330 * @throws \Exception
2332 public static function addShadow($itemid)
2334 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2335 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2336 $item = self::selectFirst($fields, $condition);
2338 if (!DBA::isResult($item)) {
2342 // is it already a copy?
2343 if (($itemid == 0) || ($item['uid'] == 0)) {
2347 // Is it a visible public post?
2348 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2352 // is it an entry from a connector? Only add an entry for natively connected networks
2353 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2357 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2361 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2363 if (DBA::isResult($item)) {
2364 // Preparing public shadow (removing user specific data)
2367 unset($item['parent']);
2368 unset($item['wall']);
2369 unset($item['mention']);
2370 unset($item['origin']);
2371 unset($item['starred']);
2372 unset($item['postopts']);
2373 unset($item['inform']);
2374 if ($item['uri'] == $item['parent-uri']) {
2375 $item['contact-id'] = $item['owner-id'];
2377 $item['contact-id'] = $item['author-id'];
2380 $public_shadow = self::insert($item, false, false, true);
2382 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2387 * @brief Add a shadow entry for a given item id that is a comment
2389 * This function does the same like the function above - but for comments
2391 * @param integer $itemid Item ID that should be added
2392 * @throws \Exception
2394 public static function addShadowPost($itemid)
2396 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2397 if (!DBA::isResult($item)) {
2401 // Is it a toplevel post?
2402 if ($item['id'] == $item['parent']) {
2403 self::addShadow($itemid);
2407 // Is this a shadow entry?
2408 if ($item['uid'] == 0) {
2412 // Is there a shadow parent?
2413 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2417 // Is there already a shadow entry?
2418 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2422 // Save "origin" and "parent" state
2423 $origin = $item['origin'];
2424 $parent = $item['parent'];
2426 // Preparing public shadow (removing user specific data)
2429 unset($item['parent']);
2430 unset($item['wall']);
2431 unset($item['mention']);
2432 unset($item['origin']);
2433 unset($item['starred']);
2434 unset($item['postopts']);
2435 unset($item['inform']);
2436 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2438 $public_shadow = self::insert($item, false, false, true);
2440 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2442 // If this was a comment to a Diaspora post we don't get our comment back.
2443 // This means that we have to distribute the comment by ourselves.
2444 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2445 self::distribute($public_shadow);
2450 * Adds a language specification in a "language" element of given $arr.
2451 * Expects "body" element to exist in $arr.
2454 * @throws \Text_LanguageDetect_Exception
2456 private static function addLanguageToItemArray(&$item)
2458 $naked_body = BBCode::toPlaintext($item['body'], false);
2460 $ld = new Text_LanguageDetect();
2461 $ld->setNameMode(2);
2462 $languages = $ld->detect($naked_body, 3);
2464 if (is_array($languages)) {
2465 $item['language'] = json_encode($languages);
2470 * @brief Creates an unique guid out of a given uri
2472 * @param string $uri uri of an item entry
2473 * @param string $host hostname for the GUID prefix
2474 * @return string unique guid
2476 public static function guidFromUri($uri, $host)
2478 // Our regular guid routine is using this kind of prefix as well
2479 // We have to avoid that different routines could accidentally create the same value
2480 $parsed = parse_url($uri);
2482 // We use a hash of the hostname as prefix for the guid
2483 $guid_prefix = hash("crc32", $host);
2485 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2486 unset($parsed["scheme"]);
2488 // Glue it together to be able to make a hash from it
2489 $host_id = implode("/", $parsed);
2491 // We could use any hash algorithm since it isn't a security issue
2492 $host_hash = hash("ripemd128", $host_id);
2494 return $guid_prefix.$host_hash;
2498 * generate an unique URI
2500 * @param integer $uid User id
2501 * @param string $guid An existing GUID (Otherwise it will be generated)
2504 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2506 public static function newURI($uid, $guid = "")
2509 $guid = System::createUUID();
2512 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2516 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2518 * This can be used to filter for inactive contacts.
2519 * Only do this for public postings to avoid privacy problems, since poco data is public.
2520 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2522 * @param array $arr Contains the just posted item record
2523 * @throws \Exception
2525 private static function updateContact($arr)
2527 // Unarchive the author
2528 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2529 if (DBA::isResult($contact)) {
2530 Contact::unmarkForArchival($contact);
2533 // Unarchive the contact if it's not our own contact
2534 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2535 if (DBA::isResult($contact)) {
2536 Contact::unmarkForArchival($contact);
2539 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2541 // Is it a forum? Then we don't care about the rules from above
2542 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2543 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2549 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2550 ['id' => $arr['contact-id']]);
2552 // Now do the same for the system wide contacts with uid=0
2553 if (!$arr['private']) {
2554 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2555 ['id' => $arr['owner-id']]);
2557 if ($arr['owner-id'] != $arr['author-id']) {
2558 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2559 ['id' => $arr['author-id']]);
2564 public static function setHashtags(&$item)
2566 $tags = BBCode::getTags($item["body"]);
2569 if (!count($tags)) {
2573 // What happens in [code], stays in [code]!
2574 // escape the # and the [
2575 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2576 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2578 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2580 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2581 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2584 // This sorting is important when there are hashtags that are part of other hashtags
2585 // Otherwise there could be problems with hashtags like #test and #test2
2588 $URLSearchString = "^\[\]";
2590 // All hashtags should point to the home server if "local_tags" is activated
2591 if (Config::get('system', 'local_tags')) {
2592 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2593 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2595 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2596 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2599 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2600 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2602 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2605 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2607 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2610 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2612 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2615 // Repair recursive urls
2616 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2617 "#$2", $item["body"]);
2619 foreach ($tags as $tag) {
2620 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || $tag[1] == '#') {
2624 $basetag = str_replace('_',' ',substr($tag,1));
2625 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2627 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2629 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2630 if (strlen($item["tag"])) {
2631 $item["tag"] = ',' . $item["tag"];
2633 $item["tag"] = $newtag . $item["tag"];
2637 // Convert back the masked hashtags
2638 $item["body"] = str_replace("#", "#", $item["body"]);
2640 // Remember! What happens in [code], stays in [code]
2641 // roleback the # and [
2642 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2644 // we truly unESCape all sharp and leftsquarebracket
2645 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2646 $replace = ['#', '['];
2647 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2652 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2655 * @param int $item_id
2656 * @return boolean true if item was deleted, else false
2657 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2658 * @throws \ImagickException
2660 private static function tagDeliver($uid, $item_id)
2664 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2665 if (!DBA::isResult($user)) {
2669 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2670 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2672 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2673 if (!DBA::isResult($item)) {
2677 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2680 * Diaspora uses their own hardwired link URL in @-tags
2681 * instead of the one we supply with webfinger
2683 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2685 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2687 foreach ($matches as $mtch) {
2688 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2690 Logger::log('mention found: ' . $mtch[2]);
2696 if (($community_page || $prvgroup) &&
2697 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2698 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2700 Logger::log("no-mention top-level post to community or private group. delete.");
2701 DBA::delete('item', ['id' => $item_id]);
2707 $arr = ['item' => $item, 'user' => $user];
2709 Hook::callAll('tagged', $arr);
2711 if (!$community_page && !$prvgroup) {
2716 * tgroup delivery - setup a second delivery chain
2717 * prevent delivery looping - only proceed
2718 * if the message originated elsewhere and is a top-level post
2720 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2724 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2725 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2726 if (!DBA::isResult($self)) {
2730 $owner_id = Contact::getIdForURL($self['url']);
2732 // also reset all the privacy bits to the forum default permissions
2734 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2736 $psid = PermissionSet::fetchIDForPost($user);
2738 $forum_mode = ($prvgroup ? 2 : 1);
2740 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2741 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2742 self::update($fields, ['id' => $item_id]);
2744 self::updateThread($item_id);
2746 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2751 public static function isRemoteSelf($contact, &$datarray)
2755 if (!$contact['remote_self']) {
2759 // Prevent the forwarding of posts that are forwarded
2760 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2761 Logger::log('Already forwarded', Logger::DEBUG);
2765 // Prevent to forward already forwarded posts
2766 if ($datarray["app"] == $a->getHostName()) {
2767 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2771 // Only forward posts
2772 if ($datarray["verb"] != Activity::POST) {
2773 Logger::log('No post', Logger::DEBUG);
2777 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2778 Logger::log('Not public', Logger::DEBUG);
2782 $datarray2 = $datarray;
2783 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2784 if ($contact['remote_self'] == 2) {
2785 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2786 ['uid' => $contact['uid'], 'self' => true]);
2787 if (DBA::isResult($self)) {
2788 $datarray['contact-id'] = $self["id"];
2790 $datarray['owner-name'] = $self["name"];
2791 $datarray['owner-link'] = $self["url"];
2792 $datarray['owner-avatar'] = $self["thumb"];
2794 $datarray['author-name'] = $datarray['owner-name'];
2795 $datarray['author-link'] = $datarray['owner-link'];
2796 $datarray['author-avatar'] = $datarray['owner-avatar'];
2798 unset($datarray['edited']);
2800 unset($datarray['network']);
2801 unset($datarray['owner-id']);
2802 unset($datarray['author-id']);
2805 if ($contact['network'] != Protocol::FEED) {
2806 $datarray["guid"] = System::createUUID();
2807 unset($datarray["plink"]);
2808 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2809 $datarray["parent-uri"] = $datarray["uri"];
2810 $datarray["thr-parent"] = $datarray["uri"];
2811 $datarray["extid"] = Protocol::DFRN;
2812 $urlpart = parse_url($datarray2['author-link']);
2813 $datarray["app"] = $urlpart["host"];
2815 $datarray['private'] = 0;
2819 if ($contact['network'] != Protocol::FEED) {
2820 // Store the original post
2821 $result = self::insert($datarray2, false, false);
2822 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2824 $datarray["app"] = "Feed";
2828 // Trigger automatic reactions for addons
2829 $datarray['api_source'] = true;
2831 // We have to tell the hooks who we are - this really should be improved
2832 $_SESSION["authenticated"] = true;
2833 $_SESSION["uid"] = $contact['uid'];
2842 * @param array $item
2845 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2846 * @throws \ImagickException
2848 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2850 if (Config::get('system', 'disable_embedded')) {
2854 Logger::log('check for photos', Logger::DEBUG);
2855 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2860 $img_start = strpos($orig_body, '[img');
2861 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2862 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2864 while (($img_st_close !== false) && ($img_len !== false)) {
2865 $img_st_close++; // make it point to AFTER the closing bracket
2866 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2868 Logger::log('found photo ' . $image, Logger::DEBUG);
2870 if (stristr($image, $site . '/photo/')) {
2871 // Only embed locally hosted photos
2873 $i = basename($image);
2874 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2875 $x = strpos($i, '-');
2878 $res = substr($i, $x + 1);
2879 $i = substr($i, 0, $x);
2880 $photo = Photo::getPhotoForUser($uid, $i, $res);
2881 if (DBA::isResult($photo)) {
2883 * Check to see if we should replace this photo link with an embedded image
2884 * 1. No need to do so if the photo is public
2885 * 2. If there's a contact-id provided, see if they're in the access list
2886 * for the photo. If so, embed it.
2887 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2888 * permissions, regardless of order but first check to see if they're an exact
2889 * match to save some processing overhead.
2891 if (self::hasPermissions($photo)) {
2893 $recips = self::enumeratePermissions($photo);
2894 if (in_array($cid, $recips)) {
2898 if (self::samePermissions($uid, $item, $photo)) {
2904 $photo_img = Photo::getImageForPhoto($photo);
2905 // If a custom width and height were specified, apply before embedding
2906 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2907 Logger::log('scaling photo', Logger::DEBUG);
2909 $width = intval($match[1]);
2910 $height = intval($match[2]);
2912 $photo_img->scaleDown(max($width, $height));
2915 $data = $photo_img->asString();
2916 $type = $photo_img->getType();
2918 Logger::log('replacing photo', Logger::DEBUG);
2919 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2920 Logger::log('replaced: ' . $image, Logger::DATA);
2926 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2927 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2928 if ($orig_body === false) {
2932 $img_start = strpos($orig_body, '[img');
2933 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2934 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2937 $new_body = $new_body . $orig_body;
2942 private static function hasPermissions($obj)
2944 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2945 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2948 private static function samePermissions($uid, $obj1, $obj2)
2950 // first part is easy. Check that these are exactly the same.
2951 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2952 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2953 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2954 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2958 // This is harder. Parse all the permissions and compare the resulting set.
2959 $recipients1 = self::enumeratePermissions($obj1);
2960 $recipients2 = self::enumeratePermissions($obj2);
2964 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2965 return ($recipients1 == $recipients2);
2969 * Returns an array of contact-ids that are allowed to see this object
2971 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2972 * @param bool $check_dead Prunes unavailable contacts from the result
2974 * @throws \Exception
2976 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2978 /** @var ACLFormatter $aclFormater */
2979 $aclFormater = self::getClass(ACLFormatter::class);
2981 $allow_people = $aclFormater->expand($obj['allow_cid']);
2982 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2983 $deny_people = $aclFormater->expand($obj['deny_cid']);
2984 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2985 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2986 $deny = array_unique(array_merge($deny_people, $deny_groups));
2987 $recipients = array_diff($recipients, $deny);
2991 public static function getFeedTags($item)
2995 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2997 for ($x = 0; $x < $cnt; $x ++) {
2998 if ($matches[1][$x]) {
2999 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3004 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3006 for ($x = 0; $x < $cnt; $x ++) {
3007 if ($matches[1][$x]) {
3008 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3015 public static function expire($uid, $days, $network = "", $force = false)
3017 if (!$uid || ($days < 1)) {
3021 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3022 $uid, GRAVITY_PARENT];
3025 * $expire_network_only = save your own wall posts
3026 * and just expire conversations started by others
3028 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
3030 if ($expire_network_only) {
3031 $condition[0] .= " AND NOT `wall`";
3034 if ($network != "") {
3035 $condition[0] .= " AND `network` = ?";
3036 $condition[] = $network;
3039 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3040 $condition[] = $days;
3042 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3044 if (!DBA::isResult($items)) {
3048 $expire_items = PConfig::get($uid, 'expire', 'items', true);
3050 // Forcing expiring of items - but not notes and marked items
3052 $expire_items = true;
3055 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
3056 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
3057 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
3061 while ($item = Item::fetch($items)) {
3062 // don't expire filed items
3064 if (strpos($item['file'], '[') !== false) {
3068 // Only expire posts, not photos and photo comments
3070 if (!$expire_photos && strlen($item['resource-id'])) {
3072 } elseif (!$expire_starred && intval($item['starred'])) {
3074 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3076 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3080 self::deleteById($item['id'], PRIORITY_LOW);
3085 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3088 public static function firstPostDate($uid, $wall = false)
3090 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3091 $params = ['order' => ['received' => false]];
3092 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3093 if (DBA::isResult($thread)) {
3094 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3100 * @brief add/remove activity to an item
3102 * Toggle activities as like,dislike,attend of an item
3104 * @param string $item_id
3105 * @param string $verb
3106 * Activity verb. One of
3107 * like, unlike, dislike, undislike, attendyes, unattendyes,
3108 * attendno, unattendno, attendmaybe, unattendmaybe
3110 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3111 * @throws \ImagickException
3112 * @hook 'post_local_end'
3114 * 'post_id' => ID of posted item
3116 public static function performLike($item_id, $verb)
3118 if (!Session::isAuthenticated()) {
3125 $activity = Activity::LIKE;
3129 $activity = Activity::DISLIKE;
3133 $activity = Activity::ATTEND;
3137 $activity = Activity::ATTENDNO;
3140 case 'unattendmaybe':
3141 $activity = Activity::ATTENDMAYBE;
3144 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3148 // Enable activity toggling instead of on/off
3149 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3151 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3153 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3154 if (!DBA::isResult($item)) {
3155 Logger::log('like: unknown item ' . $item_id);
3159 $item_uri = $item['uri'];
3161 $uid = $item['uid'];
3162 if (($uid == 0) && local_user()) {
3163 $uid = local_user();
3166 if (!Security::canWriteToUserWall($uid)) {
3167 Logger::log('like: unable to write on wall ' . $uid);
3171 // Retrieves the local post owner
3172 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3173 if (!DBA::isResult($owner_self_contact)) {
3174 Logger::log('like: unknown owner ' . $uid);
3178 // Retrieve the current logged in user's public contact
3179 $author_id = public_contact();
3181 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3182 if (!DBA::isResult($author_contact)) {
3183 Logger::log('like: unknown author ' . $author_id);
3187 // Contact-id is the uid-dependant author contact
3188 if (local_user() == $uid) {
3189 $item_contact_id = $owner_self_contact['id'];
3191 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3192 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3193 if (!DBA::isResult($item_contact)) {
3194 Logger::log('like: unknown item contact ' . $item_contact_id);
3199 // Look for an existing verb row
3200 // event participation are essentially radio toggles. If you make a subsequent choice,
3201 // we need to eradicate your first choice.
3202 if ($event_verb_flag) {
3203 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3205 // Translate to the index based activity index
3207 foreach ($verbs as $verb) {
3208 $activities[] = self::activityToIndex($verb);
3211 $activities = self::activityToIndex($activity);
3214 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3215 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3217 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3219 // If it exists, mark it as deleted
3220 if (DBA::isResult($like_item)) {
3221 self::deleteById($like_item['id']);
3223 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3228 // Verb is "un-something", just trying to delete existing entries
3229 if (strpos($verb, 'un') === 0) {
3233 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3236 'guid' => System::createUUID(),
3237 'uri' => self::newURI($item['uid']),
3238 'uid' => $item['uid'],
3239 'contact-id' => $item_contact_id,
3240 'wall' => $item['wall'],
3242 'network' => Protocol::DFRN,
3243 'gravity' => GRAVITY_ACTIVITY,
3244 'parent' => $item['id'],
3245 'parent-uri' => $item['uri'],
3246 'thr-parent' => $item['uri'],
3247 'owner-id' => $author_id,
3248 'author-id' => $author_id,
3249 'body' => $activity,
3250 'verb' => $activity,
3251 'object-type' => $objtype,
3252 'allow_cid' => $item['allow_cid'],
3253 'allow_gid' => $item['allow_gid'],
3254 'deny_cid' => $item['deny_cid'],
3255 'deny_gid' => $item['deny_gid'],
3260 $signed = Diaspora::createLikeSignature($uid, $new_item);
3261 if (!empty($signed)) {
3262 $new_item['diaspora_signed_text'] = json_encode($signed);
3265 $new_item_id = self::insert($new_item);
3267 // If the parent item isn't visible then set it to visible
3268 if (!$item['visible']) {
3269 self::update(['visible' => true], ['id' => $item['id']]);
3272 $new_item['id'] = $new_item_id;
3274 Hook::callAll('post_local_end', $new_item);
3279 private static function addThread($itemid, $onlyshadow = false)
3281 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3282 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3283 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3284 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3285 $item = self::selectFirst($fields, $condition);
3287 if (!DBA::isResult($item)) {
3291 $item['iid'] = $itemid;
3294 $result = DBA::insert('thread', $item);
3296 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3300 private static function updateThread($itemid, $setmention = false)
3302 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3303 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3304 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3305 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3307 $item = self::selectFirst($fields, $condition);
3308 if (!DBA::isResult($item)) {
3313 $item["mention"] = 1;
3318 foreach ($item as $field => $data) {
3319 if (!in_array($field, ["guid"])) {
3320 $fields[$field] = $data;
3324 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3326 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3329 private static function deleteThread($itemid, $itemuri = "")
3331 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3332 if (!DBA::isResult($item)) {
3333 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3337 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3339 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3341 if ($itemuri != "") {
3342 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3343 if (!self::exists($condition)) {
3344 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3345 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3350 public static function getPermissionsSQLByUserId($owner_id)
3352 $local_user = local_user();
3353 $remote_user = Session::getRemoteContactID($owner_id);
3356 * Construct permissions
3358 * default permissions - anonymous user
3360 $sql = " AND NOT `item`.`private`";
3362 // Profile owner - everything is visible
3363 if ($local_user && ($local_user == $owner_id)) {
3365 } elseif ($remote_user) {
3367 * Authenticated visitor. Unless pre-verified,
3368 * check that the contact belongs to this $owner_id
3369 * and load the groups the visitor belongs to.
3370 * If pre-verified, the caller is expected to have already
3371 * done this and passed the groups into this function.
3373 $set = PermissionSet::get($owner_id, $remote_user);
3376 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3381 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3388 * get translated item type
3393 public static function postType($item)
3395 if (!empty($item['event-id'])) {
3396 return L10n::t('event');
3397 } elseif (!empty($item['resource-id'])) {
3398 return L10n::t('photo');
3399 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3400 return L10n::t('activity');
3401 } elseif ($item['id'] != $item['parent']) {
3402 return L10n::t('comment');
3405 return L10n::t('post');
3409 * Sets the "rendered-html" field of the provided item
3411 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3413 * @param array $item
3414 * @param bool $update
3416 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3417 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3419 public static function putInCache(&$item, $update = false)
3421 $body = $item["body"];
3423 $rendered_hash = $item['rendered-hash'] ?? '';
3424 $rendered_html = $item['rendered-html'] ?? '';
3426 if ($rendered_hash == ''
3427 || $rendered_html == ""
3428 || $rendered_hash != hash("md5", $item["body"])
3429 || Config::get("system", "ignore_cache")
3431 self::addRedirToImageTags($item);
3433 $item["rendered-html"] = BBCode::convert($item["body"]);
3434 $item["rendered-hash"] = hash("md5", $item["body"]);
3436 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3437 Hook::callAll('put_item_in_cache', $hook_data);
3438 $item['rendered-html'] = $hook_data['rendered-html'];
3439 $item['rendered-hash'] = $hook_data['rendered-hash'];
3442 // Force an update if the generated values differ from the existing ones
3443 if ($rendered_hash != $item["rendered-hash"]) {
3447 // Only compare the HTML when we forcefully ignore the cache
3448 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3452 if ($update && !empty($item["id"])) {
3455 'rendered-html' => $item["rendered-html"],
3456 'rendered-hash' => $item["rendered-hash"]
3458 ['id' => $item["id"]]
3463 $item["body"] = $body;
3467 * @brief Find any non-embedded images in private items and add redir links to them
3469 * @param array &$item The field array of an item row
3471 private static function addRedirToImageTags(array &$item)
3473 $app = self::getApp();
3476 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3478 foreach ($matches as $mtch) {
3479 if (strpos($mtch[1], '/redir') !== false) {
3483 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3484 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3485 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3492 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3493 * If attach is true, also add icons for item attachments.
3495 * @param array $item
3496 * @param boolean $attach
3497 * @param boolean $is_preview
3498 * @return string item body html
3499 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3500 * @throws \ImagickException
3501 * @hook prepare_body_init item array before any work
3502 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3503 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3504 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3506 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3508 $a = self::getApp();
3509 Hook::callAll('prepare_body_init', $item);
3511 // In order to provide theme developers more possibilities, event items
3512 // are treated differently.
3513 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3514 $ev = Event::getItemHTML($item);
3518 $tags = Term::populateTagsFromItem($item);
3520 $item['tags'] = $tags['tags'];
3521 $item['hashtags'] = $tags['hashtags'];
3522 $item['mentions'] = $tags['mentions'];
3524 // Compile eventual content filter reasons
3525 $filter_reasons = [];
3526 if (!$is_preview && public_contact() != $item['author-id']) {
3527 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3528 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3533 'filter_reasons' => $filter_reasons
3535 Hook::callAll('prepare_body_content_filter', $hook_data);
3536 $filter_reasons = $hook_data['filter_reasons'];
3540 // Update the cached values if there is no "zrl=..." on the links.
3541 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3543 // Or update it if the current viewer is the intented viewer.
3544 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3548 self::putInCache($item, $update);
3549 $s = $item["rendered-html"];
3554 'preview' => $is_preview,
3555 'filter_reasons' => $filter_reasons
3557 Hook::callAll('prepare_body', $hook_data);
3558 $s = $hook_data['html'];
3562 // Replace the blockquotes with quotes that are used in mails.
3563 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3564 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3571 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3572 foreach ($matches as $mtch) {
3575 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3577 if (strpos($mime, 'video') !== false) {
3580 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3583 $url_parts = explode('/', $the_url);
3584 $id = end($url_parts);
3585 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3588 'title' => L10n::t('View Video'),
3595 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3597 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3598 $filesubtype = str_replace('.', '-', $filesubtype);
3601 $filesubtype = 'unkn';
3604 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3605 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3607 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3608 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3612 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3616 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3617 $x = Map::byCoordinates(trim($item['coord']));
3619 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3623 // Replace friendica image url size with theme preference.
3624 if (!empty($a->theme_info['item_image_size'])) {
3625 $ps = $a->theme_info['item_image_size'];
3626 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3629 $s = HTML::applyContentFilter($s, $filter_reasons);
3631 $hook_data = ['item' => $item, 'html' => $s];
3632 Hook::callAll('prepare_body_final', $hook_data);
3634 return $hook_data['html'];
3638 * get private link for item
3640 * @param array $item
3641 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3642 * @throws \Exception
3644 public static function getPlink($item)
3646 $a = self::getApp();
3648 if ($a->user['nickname'] != "") {
3650 'href' => "display/" . $item['guid'],
3651 'orig' => "display/" . $item['guid'],
3652 'title' => L10n::t('View on separate page'),
3653 'orig_title' => L10n::t('view on separate page'),
3656 if (!empty($item['plink'])) {
3657 $ret["href"] = $a->removeBaseURL($item['plink']);
3658 $ret["title"] = L10n::t('link to source');
3661 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3663 'href' => $item['plink'],
3664 'orig' => $item['plink'],
3665 'title' => L10n::t('link to source'),
3675 * Is the given item array a post that is sent as starting post to a forum?
3677 * @param array $item
3678 * @param array $owner
3680 * @return boolean "true" when it is a forum post
3682 public static function isForumPost(array $item, array $owner = [])
3684 if (empty($owner)) {
3685 $owner = User::getOwnerDataById($item['uid']);
3686 if (empty($owner)) {
3691 if (($item['author-id'] == $item['owner-id']) ||
3692 ($owner['id'] == $item['contact-id']) ||
3693 ($item['uri'] != $item['parent-uri']) ||
3698 return Contact::isForum($item['contact-id']);
3702 * Search item id for given URI or plink
3704 * @param string $uri
3705 * @param integer $uid
3707 * @return integer item id
3709 public static function searchByLink($uri, $uid = 0)
3711 $ssl_uri = str_replace('http://', 'https://', $uri);
3712 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3714 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3715 if (DBA::isResult($item)) {
3719 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3720 if (!DBA::isResult($itemcontent)) {
3724 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3725 if (!DBA::isResult($itemuri)) {
3729 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3730 if (DBA::isResult($item)) {
3738 * Fetches item for given URI or plink
3740 * @param string $uri
3741 * @param integer $uid
3743 * @return integer item id
3745 public static function fetchByLink($uri, $uid = 0)
3747 $item_id = self::searchByLink($uri, $uid);
3748 if (!empty($item_id)) {
3752 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3753 $item_id = self::searchByLink($uri, $uid);
3755 $item_id = Diaspora::fetchByURL($uri);
3758 if (!empty($item_id)) {