4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\Content\Text\BBCode;
10 use Friendica\Content\Text\HTML;
11 use Friendica\Core\Config;
12 use Friendica\Core\Hook;
13 use Friendica\Core\L10n;
14 use Friendica\Core\Lock;
15 use Friendica\Core\Logger;
16 use Friendica\Core\PConfig;
17 use Friendica\Core\Protocol;
18 use Friendica\Core\Renderer;
19 use Friendica\Core\Session;
20 use Friendica\Core\System;
21 use Friendica\Core\Worker;
22 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\DateTimeFormat;
29 use Friendica\Util\Map;
30 use Friendica\Util\Network;
31 use Friendica\Util\Security;
32 use Friendica\Util\Strings;
33 use Friendica\Util\XML;
34 use Friendica\Worker\Delivery;
35 use Text_LanguageDetect;
39 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
46 const PT_DOCUMENT = 19;
48 const PT_PERSONAL_NOTE = 128;
50 // Field list that is used to display the items
51 const DISPLAY_FIELDLIST = [
52 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
53 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
54 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
55 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
56 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
57 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
58 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
59 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
60 'writable', 'self', 'cid', 'alias', 'pinned',
61 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
62 'event-summary', 'event-desc', 'event-location', 'event-type',
63 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
64 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
67 // Field list that is used to deliver items via the protocols
68 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
69 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
70 'private', 'title', 'body', 'location', 'coord', 'app',
71 'attach', 'tag', 'deleted', 'extid', 'post-type',
72 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
73 'author-id', 'author-link', 'owner-link', 'contact-uid',
74 'signed_text', 'signature', 'signer', 'network'];
76 // Field list for "item-content" table that is mixed with the item table
77 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
78 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
79 'object-type', 'object', 'target-type', 'target', 'plink'];
81 // Field list for "item-content" table that is not present in the "item" table
82 const CONTENT_FIELDLIST = ['language'];
84 // All fields in the item table
85 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
86 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
87 'created', 'edited', 'commented', 'received', 'changed', 'verb',
88 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
89 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
90 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
91 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
92 'title', 'content-warning', 'body', 'location', 'coord', 'app',
93 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
94 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
95 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
97 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
98 // The item-activity table only stores the index and needs this array to know the matching activity.
100 Activity::LIKE, Activity::DISLIKE,
101 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
105 private static $legacy_mode = null;
107 public static function isLegacyMode()
109 if (is_null(self::$legacy_mode)) {
110 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
113 return self::$legacy_mode;
117 * Set the pinned state of an item
119 * @param integer $iid Item ID
120 * @param integer $uid User ID
121 * @param boolean $pinned Pinned state
123 public static function setPinned(int $iid, int $uid, bool $pinned)
125 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
129 * Get the pinned state
131 * @param integer $iid Item ID
132 * @param integer $uid User ID
134 * @return boolean pinned state
136 public static function getPinned(int $iid, int $uid)
138 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
139 if (!DBA::isResult($useritem)) {
142 return (bool)$useritem['pinned'];
146 * @brief Select pinned rows from the item table for a given user
148 * @param integer $uid User ID
149 * @param array $selected Array of selected fields, empty for all
150 * @param array $condition Array of fields for condition
151 * @param array $params Array of several parameters
153 * @return boolean|object
156 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
158 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
159 if (!DBA::isResult($useritems)) {
164 while ($useritem = self::fetch($useritems)) {
165 $pinned[] = $useritem['iid'];
167 DBA::close($useritems);
169 if (empty($pinned)) {
173 if (empty($condition) || !is_array($condition)) {
174 $condition = ['iid' => $pinned];
177 $first_key = key($condition);
178 if (!is_int($first_key)) {
179 $condition['iid'] = $pinned;
181 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
182 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
183 $condition = array_merge($condition, $pinned);
187 return self::selectThreadForUser($uid, $selected, $condition, $params);
191 * @brief returns an activity index from an activity string
193 * @param string $activity activity string
194 * @return integer Activity index
196 public static function activityToIndex($activity)
198 $index = array_search($activity, self::ACTIVITIES);
200 if (is_bool($index)) {
208 * @brief returns an activity string from an activity index
210 * @param integer $index activity index
211 * @return string Activity string
213 private static function indexToActivity($index)
215 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
219 return self::ACTIVITIES[$index];
223 * @brief Fetch a single item row
225 * @param mixed $stmt statement object
226 * @return array current row
228 public static function fetch($stmt)
230 $row = DBA::fetch($stmt);
236 // ---------------------- Transform item structure data ----------------------
238 // We prefer the data from the user's contact over the public one
239 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
240 ($row['author-link'] == $row['contact-link'])) {
241 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
242 $row['author-avatar'] = $row['contact-avatar'];
244 if (isset($row['author-name']) && !empty($row['contact-name'])) {
245 $row['author-name'] = $row['contact-name'];
249 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
250 ($row['owner-link'] == $row['contact-link'])) {
251 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
252 $row['owner-avatar'] = $row['contact-avatar'];
254 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
255 $row['owner-name'] = $row['contact-name'];
259 // We can always comment on posts from these networks
260 if (array_key_exists('writable', $row) &&
261 in_array($row['internal-network'], Protocol::FEDERATED)) {
262 $row['writable'] = true;
265 // ---------------------- Transform item content data ----------------------
267 // Fetch data from the item-content table whenever there is content there
268 if (self::isLegacyMode()) {
269 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
270 foreach ($legacy_fields as $field) {
271 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
272 $row[$field] = $row['internal-item-' . $field];
274 unset($row['internal-item-' . $field]);
278 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
279 $row['verb'] = self::indexToActivity($row['internal-activity']);
280 if (array_key_exists('title', $row)) {
283 if (array_key_exists('body', $row)) {
284 $row['body'] = $row['verb'];
286 if (array_key_exists('object', $row)) {
289 if (array_key_exists('object-type', $row)) {
290 $row['object-type'] = Activity\ObjectType::NOTE;
292 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
293 // Posts don't have a target - but having tags or files.
294 // We safe some performance by building tag and file strings only here.
295 // We remove the target since they aren't used for this type.
296 // In mail posts we do store some mail header data in the object.
297 if (array_key_exists('target', $row)) {
302 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
303 // Build the tag string out of the term entries
304 if (array_key_exists('tag', $row) && empty($row['tag'])) {
305 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
308 // Build the file string out of the term entries
309 if (array_key_exists('file', $row) && empty($row['file'])) {
310 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
314 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
315 $row['signed_text'] = $row['interaction'];
318 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
319 $row['ignored'] = $row['internal-user-ignored'];
322 // Remove internal fields
323 unset($row['internal-activity']);
324 unset($row['internal-network']);
325 unset($row['internal-iid']);
326 unset($row['internal-iaid']);
327 unset($row['internal-icid']);
328 unset($row['internal-user-ignored']);
329 unset($row['interaction']);
335 * @brief Fills an array with data from an item query
337 * @param object $stmt statement object
338 * @param bool $do_close
339 * @return array Data array
341 public static function inArray($stmt, $do_close = true) {
342 if (is_bool($stmt)) {
347 while ($row = self::fetch($stmt)) {
357 * @brief Check if item data exists
359 * @param array $condition array of fields for condition
361 * @return boolean Are there rows for that condition?
364 public static function exists($condition) {
365 $stmt = self::select(['id'], $condition, ['limit' => 1]);
367 if (is_bool($stmt)) {
370 $retval = (DBA::numRows($stmt) > 0);
379 * Retrieve a single record from the item table for a given user and returns it in an associative array
381 * @brief Retrieve a single record from a table
382 * @param integer $uid User ID
383 * @param array $selected
384 * @param array $condition
385 * @param array $params
390 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
392 $params['uid'] = $uid;
394 if (empty($selected)) {
395 $selected = Item::DISPLAY_FIELDLIST;
398 return self::selectFirst($selected, $condition, $params);
402 * @brief Select rows from the item table for a given user
404 * @param integer $uid User ID
405 * @param array $selected Array of selected fields, empty for all
406 * @param array $condition Array of fields for condition
407 * @param array $params Array of several parameters
409 * @return boolean|object
412 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
414 $params['uid'] = $uid;
416 if (empty($selected)) {
417 $selected = Item::DISPLAY_FIELDLIST;
420 return self::select($selected, $condition, $params);
424 * Retrieve a single record from the item table and returns it in an associative array
426 * @brief Retrieve a single record from a table
427 * @param array $fields
428 * @param array $condition
429 * @param array $params
434 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
436 $params['limit'] = 1;
438 $result = self::select($fields, $condition, $params);
440 if (is_bool($result)) {
443 $row = self::fetch($result);
450 * @brief Select rows from the item table and returns them as an array
452 * @param array $selected Array of selected fields, empty for all
453 * @param array $condition Array of fields for condition
454 * @param array $params Array of several parameters
459 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
461 $result = self::select($fields, $condition, $params);
463 if (is_bool($result)) {
468 while ($row = self::fetch($result)) {
477 * @brief Select rows from the item table
479 * @param array $selected Array of selected fields, empty for all
480 * @param array $condition Array of fields for condition
481 * @param array $params Array of several parameters
483 * @return boolean|object
486 public static function select(array $selected = [], array $condition = [], $params = [])
491 if (isset($params['uid'])) {
492 $uid = $params['uid'];
496 $fields = self::fieldlist($usermode);
498 $select_fields = self::constructSelectFields($fields, $selected);
500 $condition_string = DBA::buildCondition($condition);
502 $condition_string = self::addTablesToFields($condition_string, $fields);
505 $condition_string = $condition_string . ' AND ' . self::condition(false);
508 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
510 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
512 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
514 return DBA::p($sql, $condition);
518 * @brief Select rows from the starting post in the item table
520 * @param integer $uid User ID
521 * @param array $selected
522 * @param array $condition Array of fields for condition
523 * @param array $params Array of several parameters
525 * @return boolean|object
528 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
530 $params['uid'] = $uid;
532 if (empty($selected)) {
533 $selected = Item::DISPLAY_FIELDLIST;
536 return self::selectThread($selected, $condition, $params);
540 * Retrieve a single record from the starting post in the item table and returns it in an associative array
542 * @brief Retrieve a single record from a table
543 * @param integer $uid User ID
544 * @param array $selected
545 * @param array $condition
546 * @param array $params
551 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
553 $params['uid'] = $uid;
555 if (empty($selected)) {
556 $selected = Item::DISPLAY_FIELDLIST;
559 return self::selectFirstThread($selected, $condition, $params);
563 * Retrieve a single record from the starting post in the item table and returns it in an associative array
565 * @brief Retrieve a single record from a table
566 * @param array $fields
567 * @param array $condition
568 * @param array $params
573 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
575 $params['limit'] = 1;
576 $result = self::selectThread($fields, $condition, $params);
578 if (is_bool($result)) {
581 $row = self::fetch($result);
588 * @brief Select rows from the starting post in the item table
590 * @param array $selected Array of selected fields, empty for all
591 * @param array $condition Array of fields for condition
592 * @param array $params Array of several parameters
594 * @return boolean|object
597 public static function selectThread(array $selected = [], array $condition = [], $params = [])
602 if (isset($params['uid'])) {
603 $uid = $params['uid'];
607 $fields = self::fieldlist($usermode);
609 $fields['thread'] = ['mention', 'ignored', 'iid'];
611 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
612 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
613 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
614 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
616 $select_fields = self::constructSelectFields($fields, $selected);
618 $condition_string = DBA::buildCondition($condition);
620 $condition_string = self::addTablesToFields($condition_string, $threadfields);
621 $condition_string = self::addTablesToFields($condition_string, $fields);
624 $condition_string = $condition_string . ' AND ' . self::condition(true);
627 $param_string = DBA::buildParameter($params);
628 $param_string = self::addTablesToFields($param_string, $threadfields);
629 $param_string = self::addTablesToFields($param_string, $fields);
631 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
633 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
635 return DBA::p($sql, $condition);
639 * @brief Returns a list of fields that are associated with the item table
642 * @return array field list
644 private static function fieldlist($usermode)
648 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
649 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
650 'created', 'edited', 'commented', 'received', 'changed', 'psid',
651 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
652 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
653 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
654 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
655 'network' => 'internal-network', 'icid' => 'internal-icid',
656 'iaid' => 'internal-iaid'];
659 $fields['user-item'] = ['pinned', 'notification-type', 'ignored' => 'internal-user-ignored'];
662 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
664 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
666 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
668 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
670 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
671 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
673 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
674 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
676 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
677 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
678 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
680 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
682 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
684 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
685 'start' => 'event-start','finish' => 'event-finish',
686 'summary' => 'event-summary','desc' => 'event-desc',
687 'location' => 'event-location', 'type' => 'event-type',
688 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
689 'ignore' => 'event-ignore', 'id' => 'event-id'];
691 $fields['sign'] = ['signed_text', 'signature', 'signer'];
693 $fields['diaspora-interaction'] = ['interaction'];
699 * @brief Returns SQL condition for the "select" functions
701 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
703 * @return string SQL condition
705 private static function condition($thread_mode)
708 $master_table = "`thread`";
710 $master_table = "`item`";
712 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
713 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
714 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
715 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
716 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
717 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
718 GRAVITY_PARENT, GRAVITY_PARENT);
722 * @brief Returns all needed "JOIN" commands for the "select" functions
724 * @param integer $uid User ID
725 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
726 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
729 * @return string The SQL joins for the "select" functions
731 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
734 $master_table = "`thread`";
735 $master_table_key = "`thread`.`iid`";
736 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
738 $master_table = "`item`";
739 $master_table_key = "`item`.`id`";
744 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
745 AND NOT `contact`.`blocked`
746 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
747 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
748 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
749 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
750 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
751 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
752 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
753 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
755 if (strpos($sql_commands, "`contact`.") !== false) {
756 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
758 if (strpos($sql_commands, "`author`.") !== false) {
759 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
761 if (strpos($sql_commands, "`owner`.") !== false) {
762 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
766 if (strpos($sql_commands, "`group_member`.") !== false) {
767 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
770 if (strpos($sql_commands, "`user`.") !== false) {
771 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
774 if (strpos($sql_commands, "`event`.") !== false) {
775 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
778 if (strpos($sql_commands, "`sign`.") !== false) {
779 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
782 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
783 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
786 if (strpos($sql_commands, "`item-activity`.") !== false) {
787 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
790 if (strpos($sql_commands, "`item-content`.") !== false) {
791 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
794 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
795 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
798 if (strpos($sql_commands, "`permissionset`.") !== false) {
799 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
802 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
803 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
806 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
807 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
814 * @brief Add the field list for the "select" functions
816 * @param array $fields The field definition array
817 * @param array $selected The array with the selected fields from the "select" functions
819 * @return string The field list
821 private static function constructSelectFields($fields, $selected)
823 if (!empty($selected)) {
824 $selected[] = 'internal-iid';
825 $selected[] = 'internal-iaid';
826 $selected[] = 'internal-icid';
827 $selected[] = 'internal-network';
830 if (in_array('verb', $selected)) {
831 $selected[] = 'internal-activity';
834 if (in_array('ignored', $selected)) {
835 $selected[] = 'internal-user-ignored';
838 if (in_array('signed_text', $selected)) {
839 $selected[] = 'interaction';
842 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
845 foreach ($fields as $table => $table_fields) {
846 foreach ($table_fields as $field => $select) {
847 if (empty($selected) || in_array($select, $selected)) {
848 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
849 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
851 if (is_int($field)) {
852 $selection[] = "`" . $table . "`.`" . $select . "`";
854 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
859 return implode(", ", $selection);
863 * @brief add table definition to fields in an SQL query
865 * @param string $query SQL query
866 * @param array $fields The field definition array
868 * @return string the changed SQL query
870 private static function addTablesToFields($query, $fields)
872 foreach ($fields as $table => $table_fields) {
873 foreach ($table_fields as $alias => $field) {
874 if (is_int($alias)) {
875 $replace_field = $field;
877 $replace_field = $alias;
880 $search = "/([^\.])`" . $field . "`/i";
881 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
882 $query = preg_replace($search, $replace, $query);
889 * @brief Update existing item entries
891 * @param array $fields The fields that are to be changed
892 * @param array $condition The condition for finding the item entries
894 * In the future we may have to change permissions as well.
895 * Then we had to add the user id as third parameter.
897 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
899 * @return integer|boolean number of affected rows - or "false" if there was an error
900 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
902 public static function update(array $fields, array $condition)
904 if (empty($condition) || empty($fields)) {
908 // To ensure the data integrity we do it in an transaction
911 // We cannot simply expand the condition to check for origin entries
912 // The condition needn't to be a simple array but could be a complex condition.
913 // And we have to execute this query before the update to ensure to fetch the same data.
914 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
916 $content_fields = [];
917 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
918 if (isset($fields[$field])) {
919 $content_fields[$field] = $fields[$field];
920 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
921 unset($fields[$field]);
923 $fields[$field] = null;
928 $delivery_data = ItemDeliveryData::extractFields($fields);
930 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
931 foreach ($clear_fields as $field) {
932 if (array_key_exists($field, $fields)) {
933 $fields[$field] = null;
937 if (array_key_exists('tag', $fields)) {
938 $tags = $fields['tag'];
939 $fields['tag'] = null;
944 if (array_key_exists('file', $fields)) {
945 $files = $fields['file'];
946 $fields['file'] = null;
951 if (!empty($fields)) {
952 $success = DBA::update('item', $fields, $condition);
961 // When there is no content for the "old" item table, this will count the fetched items
962 $rows = DBA::affectedRows();
966 while ($item = DBA::fetch($items)) {
967 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
968 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
970 if (empty($item['iaid'])) {
971 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
972 if (DBA::isResult($item_activity)) {
973 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
974 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
975 if (self::isLegacyMode()) {
976 $item_fields[$field] = null;
978 unset($item_fields[$field]);
981 DBA::update('item', $item_fields, ['id' => $item['id']]);
983 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
984 DBA::delete('item-content', ['id' => $item['icid']]);
987 } elseif (!empty($item['icid'])) {
988 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
990 if (!DBA::exists('item', ['icid' => $item['icid']])) {
991 DBA::delete('item-content', ['id' => $item['icid']]);
995 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
997 if (empty($item['icid'])) {
998 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
999 if (DBA::isResult($item_content)) {
1000 $item_fields = ['icid' => $item_content['id']];
1001 // Clear all fields in the item table that have a content in the item-content table
1002 foreach ($item_content as $field => $content) {
1003 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1004 if (self::isLegacyMode()) {
1005 $item_fields[$field] = null;
1007 unset($item_fields[$field]);
1011 DBA::update('item', $item_fields, ['id' => $item['id']]);
1016 if (!is_null($tags)) {
1017 Term::insertFromTagFieldByItemId($item['id'], $tags);
1018 if (!empty($item['tag'])) {
1019 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1023 if (!is_null($files)) {
1024 Term::insertFromFileFieldByItemId($item['id'], $files);
1025 if (!empty($item['file'])) {
1026 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1030 ItemDeliveryData::update($item['id'], $delivery_data);
1032 self::updateThread($item['id']);
1034 // We only need to notfiy others when it is an original entry from us.
1035 // Only call the notifier when the item has some content relevant change.
1036 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1037 $notify_items[] = $item['id'];
1044 foreach ($notify_items as $notify_item) {
1045 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1052 * @brief Delete an item and notify others about it - if it was ours
1054 * @param array $condition The condition for finding the item entries
1055 * @param integer $priority Priority for the notification
1056 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1058 public static function delete($condition, $priority = PRIORITY_HIGH)
1060 $items = self::select(['id'], $condition);
1061 while ($item = self::fetch($items)) {
1062 self::deleteById($item['id'], $priority);
1068 * @brief Delete an item for an user and notify others about it - if it was ours
1070 * @param array $condition The condition for finding the item entries
1071 * @param integer $uid User who wants to delete this item
1072 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1074 public static function deleteForUser($condition, $uid)
1080 $items = self::select(['id', 'uid'], $condition);
1081 while ($item = self::fetch($items)) {
1082 // "Deleting" global items just means hiding them
1083 if ($item['uid'] == 0) {
1084 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1086 // Delete notifications
1087 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1088 } elseif ($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 // Delete notifications
1179 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1181 // Set the item to "deleted"
1182 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1183 DBA::update('item', $item_fields, ['id' => $item['id']]);
1185 Term::insertFromTagFieldByItemId($item['id'], '');
1186 Term::insertFromFileFieldByItemId($item['id'], '');
1187 self::deleteThread($item['id'], $item['parent-uri']);
1189 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1190 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1193 ItemDeliveryData::delete($item['id']);
1195 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1197 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1198 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1200 // When the permission set will be used in photo and events as well,
1201 // this query here needs to be extended.
1202 // @todo Currently deactivated. We need the permission set in the deletion process.
1203 // This is a reminder to add the removal somewhere else.
1204 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1205 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1208 // If it's the parent of a comment thread, kill all the kids
1209 if ($item['id'] == $item['parent']) {
1210 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1213 // Is it our comment and/or our thread?
1214 if ($item['origin'] || $parent['origin']) {
1216 // When we delete the original post we will delete all existing copies on the server as well
1217 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1219 // send the notification upstream/downstream
1220 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1221 } elseif ($item['uid'] != 0) {
1223 // When we delete just our local user copy of an item, we have to set a marker to hide it
1224 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1225 if (DBA::isResult($global_item)) {
1226 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1230 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1235 private static function deleteTagsFromItem($item)
1237 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1241 $xo = XML::parseString($item["object"], false);
1242 $xt = XML::parseString($item["target"], false);
1244 if ($xt->type != Activity\ObjectType::NOTE) {
1248 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1249 if (!DBA::isResult($i)) {
1253 // For tags, the owner cannot remove the tag on the author's copy of the post.
1254 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1255 $author_copy = $item["origin"];
1257 if (($owner_remove && $author_copy) || !$owner_remove) {
1261 $tags = explode(',', $i["tag"]);
1264 foreach ($tags as $tag) {
1265 if (trim($tag) !== trim($xo->body)) {
1266 $newtags[] = trim($tag);
1270 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1273 private static function guid($item, $notify)
1275 if (!empty($item['guid'])) {
1276 return Strings::escapeTags(trim($item['guid']));
1280 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1281 // We add the hash of our own host because our host is the original creator of the post.
1282 $prefix_host = DI::baseUrl()->getHostname();
1286 // We are only storing the post so we create a GUID from the original hostname.
1287 if (!empty($item['author-link'])) {
1288 $parsed = parse_url($item['author-link']);
1289 if (!empty($parsed['host'])) {
1290 $prefix_host = $parsed['host'];
1294 if (empty($prefix_host) && !empty($item['plink'])) {
1295 $parsed = parse_url($item['plink']);
1296 if (!empty($parsed['host'])) {
1297 $prefix_host = $parsed['host'];
1301 if (empty($prefix_host) && !empty($item['uri'])) {
1302 $parsed = parse_url($item['uri']);
1303 if (!empty($parsed['host'])) {
1304 $prefix_host = $parsed['host'];
1308 // Is it in the format data@host.tld? - Used for mail contacts
1309 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1310 $mailparts = explode('@', $item['author-link']);
1311 $prefix_host = array_pop($mailparts);
1315 if (!empty($item['plink'])) {
1316 $guid = self::guidFromUri($item['plink'], $prefix_host);
1317 } elseif (!empty($item['uri'])) {
1318 $guid = self::guidFromUri($item['uri'], $prefix_host);
1320 $guid = System::createUUID(hash('crc32', $prefix_host));
1326 private static function contactId($item)
1328 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1329 return $item['contact-id'];
1330 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1331 return $item['contact-id'];
1332 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1333 return $item['author-id'];
1334 } elseif (!empty($item['contact-id'])) {
1335 return $item['contact-id'];
1337 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1338 if (!empty($contact_id)) {
1342 return $item['author-id'];
1345 // This function will finally cover most of the preparation functionality in mod/item.php
1346 public static function prepare(&$item)
1349 * @TODO: Unused code triggering inspection errors
1351 $data = BBCode::getAttachmentData($item['body']);
1352 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1353 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1354 $posttype = Item::PT_PAGE;
1355 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1361 * Write an item array into a spool file to be inserted later.
1362 * This command is called whenever there are issues storing an item.
1364 * @param array $item The item fields that are to be inserted
1365 * @throws \Exception
1367 private static function spool($orig_item)
1369 // Now we store the data in the spool directory
1370 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1371 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1373 $spoolpath = get_spoolpath();
1374 if ($spoolpath != "") {
1375 $spool = $spoolpath . '/' . $file;
1377 file_put_contents($spool, json_encode($orig_item));
1378 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1382 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1386 $priority = PRIORITY_HIGH;
1388 // If it is a posting where users should get notifications, then define it as wall posting
1391 $item['origin'] = 1;
1392 $item['network'] = Protocol::DFRN;
1393 $item['protocol'] = Conversation::PARCEL_DFRN;
1395 if (is_int($notify)) {
1396 $priority = $notify;
1399 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1402 $item['guid'] = self::guid($item, $notify);
1403 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1406 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1408 // Store conversation data
1409 $item = Conversation::insert($item);
1412 * If a Diaspora signature structure was passed in, pull it out of the
1413 * item array and set it aside for later storage.
1417 if (isset($item['dsprsig'])) {
1418 $encoded_signature = $item['dsprsig'];
1419 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1420 unset($item['dsprsig']);
1423 $diaspora_signed_text = '';
1424 if (isset($item['diaspora_signed_text'])) {
1425 $diaspora_signed_text = $item['diaspora_signed_text'];
1426 unset($item['diaspora_signed_text']);
1429 // Converting the plink
1430 /// @TODO Check if this is really still needed
1431 if ($item['network'] == Protocol::OSTATUS) {
1432 if (isset($item['plink'])) {
1433 $item['plink'] = OStatus::convertHref($item['plink']);
1434 } elseif (isset($item['uri'])) {
1435 $item['plink'] = OStatus::convertHref($item['uri']);
1439 if (!empty($item['thr-parent'])) {
1440 $item['parent-uri'] = $item['thr-parent'];
1443 $activity = DI::activity();
1445 if (isset($item['gravity'])) {
1446 $item['gravity'] = intval($item['gravity']);
1447 } elseif ($item['parent-uri'] === $item['uri']) {
1448 $item['gravity'] = GRAVITY_PARENT;
1449 } elseif ($activity->match($item['verb'], Activity::POST)) {
1450 $item['gravity'] = GRAVITY_COMMENT;
1451 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1452 $item['gravity'] = GRAVITY_ACTIVITY;
1454 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1455 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1458 $uid = intval($item['uid']);
1460 // check for create date and expire time
1461 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1463 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1464 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1465 $expire_interval = $user['expire'];
1468 if (($expire_interval > 0) && !empty($item['created'])) {
1469 $expire_date = time() - ($expire_interval * 86400);
1470 $created_date = strtotime($item['created']);
1471 if ($created_date < $expire_date) {
1472 Logger::notice('Item created before expiration interval.', [
1473 'created' => date('c', $created_date),
1474 'expired' => date('c', $expire_date),
1482 * Do we already have this item?
1483 * We have to check several networks since Friendica posts could be repeated
1484 * via OStatus (maybe Diasporsa as well)
1486 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1487 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1488 trim($item['uri']), $item['uid'],
1489 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1490 $existing = self::selectFirst(['id', 'network'], $condition);
1491 if (DBA::isResult($existing)) {
1492 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1494 Logger::notice('Item already existed for user', [
1495 'uri' => $item['uri'],
1497 'network' => $item['network'],
1498 'existing_id' => $existing["id"],
1499 'existing_network' => $existing["network"]
1503 return $existing["id"];
1507 $item['wall'] = intval($item['wall'] ?? 0);
1508 $item['extid'] = trim($item['extid'] ?? '');
1509 $item['author-name'] = trim($item['author-name'] ?? '');
1510 $item['author-link'] = trim($item['author-link'] ?? '');
1511 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1512 $item['owner-name'] = trim($item['owner-name'] ?? '');
1513 $item['owner-link'] = trim($item['owner-link'] ?? '');
1514 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1515 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1516 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1517 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1518 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1519 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1520 $item['title'] = trim($item['title'] ?? '');
1521 $item['location'] = trim($item['location'] ?? '');
1522 $item['coord'] = trim($item['coord'] ?? '');
1523 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1524 $item['deleted'] = 0;
1525 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1526 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1527 $item['verb'] = trim($item['verb'] ?? '');
1528 $item['object-type'] = trim($item['object-type'] ?? '');
1529 $item['object'] = trim($item['object'] ?? '');
1530 $item['target-type'] = trim($item['target-type'] ?? '');
1531 $item['target'] = trim($item['target'] ?? '');
1532 $item['plink'] = trim($item['plink'] ?? '');
1533 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1534 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1535 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1536 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1537 $item['private'] = intval($item['private'] ?? 0);
1538 $item['body'] = trim($item['body'] ?? '');
1539 $item['tag'] = trim($item['tag'] ?? '');
1540 $item['attach'] = trim($item['attach'] ?? '');
1541 $item['app'] = trim($item['app'] ?? '');
1542 $item['origin'] = intval($item['origin'] ?? 0);
1543 $item['postopts'] = trim($item['postopts'] ?? '');
1544 $item['resource-id'] = trim($item['resource-id'] ?? '');
1545 $item['event-id'] = intval($item['event-id'] ?? 0);
1546 $item['inform'] = trim($item['inform'] ?? '');
1547 $item['file'] = trim($item['file'] ?? '');
1549 // When there is no content then we don't post it
1550 if ($item['body'].$item['title'] == '') {
1551 Logger::notice('No body, no title.');
1555 self::addLanguageToItemArray($item);
1557 // Items cannot be stored before they happen ...
1558 if ($item['created'] > DateTimeFormat::utcNow()) {
1559 $item['created'] = DateTimeFormat::utcNow();
1562 // We haven't invented time travel by now.
1563 if ($item['edited'] > DateTimeFormat::utcNow()) {
1564 $item['edited'] = DateTimeFormat::utcNow();
1567 $item['plink'] = ($item['plink'] ?? '') ?: DI::baseUrl() . '/display/' . urlencode($item['guid']);
1569 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1570 'photo' => $item['author-avatar'], 'network' => $item['network']];
1572 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1574 if (Contact::isBlocked($item['author-id'])) {
1575 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1579 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1580 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1584 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1585 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1589 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1590 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1592 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1594 if (Contact::isBlocked($item['owner-id'])) {
1595 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1599 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1600 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1604 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1605 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1609 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1610 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1611 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1615 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1616 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1620 // We don't store the causer, we only have it here for the checks above
1621 unset($item['causer-id']);
1622 unset($item['causer-link']);
1624 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1625 $item["contact-id"] = self::contactId($item);
1627 if ($item['network'] == Protocol::PHANTOM) {
1628 $item['network'] = Protocol::DFRN;
1629 Logger::notice('Missing network, setting to {network}.', [
1630 'uri' => $item["uri"],
1631 'network' => $item['network'],
1632 'callstack' => System::callstack()
1636 // Checking if there is already an item with the same guid
1637 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1638 if (self::exists($condition)) {
1639 Logger::notice('Found already existing item', [
1640 'guid' => $item['guid'],
1641 'uid' => $item['uid'],
1642 'network' => $item['network']
1647 if ($item['verb'] == Activity::FOLLOW) {
1648 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1649 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1650 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1654 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1655 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1656 if (self::exists($condition)) {
1657 // It happens that we receive multiple follow requests by the same author - we only store one.
1658 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1663 // Check for hashtags in the body and repair or add hashtag links
1664 self::setHashtags($item);
1666 $item['thr-parent'] = $item['parent-uri'];
1668 $notify_type = Delivery::POST;
1674 if ($item['parent-uri'] === $item['uri']) {
1676 $parent_deleted = 0;
1677 $allow_cid = $item['allow_cid'];
1678 $allow_gid = $item['allow_gid'];
1679 $deny_cid = $item['deny_cid'];
1680 $deny_gid = $item['deny_gid'];
1682 // find the parent and snarf the item id and ACLs
1683 // and anything else we need to inherit
1685 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1686 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1687 'wall', 'private', 'forum_mode', 'origin'];
1688 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1689 $params = ['order' => ['id' => false]];
1690 $parent = self::selectFirst($fields, $condition, $params);
1692 if (DBA::isResult($parent)) {
1693 // is the new message multi-level threaded?
1694 // even though we don't support it now, preserve the info
1695 // and re-attach to the conversation parent.
1697 if ($parent['uri'] != $parent['parent-uri']) {
1698 $item['parent-uri'] = $parent['parent-uri'];
1700 $condition = ['uri' => $item['parent-uri'],
1701 'parent-uri' => $item['parent-uri'],
1702 'uid' => $item['uid']];
1703 $params = ['order' => ['id' => false]];
1704 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1706 if (DBA::isResult($toplevel_parent)) {
1707 $parent = $toplevel_parent;
1711 $parent_id = $parent['id'];
1712 $parent_deleted = $parent['deleted'];
1713 $allow_cid = $parent['allow_cid'];
1714 $allow_gid = $parent['allow_gid'];
1715 $deny_cid = $parent['deny_cid'];
1716 $deny_gid = $parent['deny_gid'];
1717 $item['wall'] = $parent['wall'];
1720 * If the parent is private, force privacy for the entire conversation
1721 * This differs from the above settings as it subtly allows comments from
1722 * email correspondents to be private even if the overall thread is not.
1724 if ($parent['private']) {
1725 $item['private'] = $parent['private'];
1729 * Edge case. We host a public forum that was originally posted to privately.
1730 * The original author commented, but as this is a comment, the permissions
1731 * weren't fixed up so it will still show the comment as private unless we fix it here.
1733 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1734 $item['private'] = 0;
1737 // If its a post that originated here then tag the thread as "mention"
1738 if ($item['origin'] && $item['uid']) {
1739 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1740 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1744 * Allow one to see reply tweets from status.net even when
1745 * we don't have or can't see the original post.
1747 if ($force_parent) {
1748 Logger::log('$force_parent=true, reply converted to top-level post.');
1750 $item['parent-uri'] = $item['uri'];
1751 $item['gravity'] = GRAVITY_PARENT;
1753 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1757 $parent_deleted = 0;
1761 if (stristr($item['verb'], Activity::POKE)) {
1762 $notify_type = Delivery::POKE;
1765 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1766 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1768 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1769 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1770 if (self::exists($condition)) {
1771 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1775 // On Friendica and Diaspora the GUID is unique
1776 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1777 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1778 if (self::exists($condition)) {
1779 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1782 } elseif ($item['network'] == Protocol::OSTATUS) {
1783 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1784 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1785 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1786 if (self::exists($condition)) {
1787 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1792 // Is this item available in the global items (with uid=0)?
1793 if ($item["uid"] == 0) {
1794 $item["global"] = true;
1796 // Set the global flag on all items if this was a global item entry
1797 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1799 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1803 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1806 $private = $item['private'];
1809 $item["allow_cid"] = $allow_cid;
1810 $item["allow_gid"] = $allow_gid;
1811 $item["deny_cid"] = $deny_cid;
1812 $item["deny_gid"] = $deny_gid;
1813 $item["private"] = $private;
1814 $item["deleted"] = $parent_deleted;
1816 // Fill the cache field
1817 self::putInCache($item);
1820 $item['edit'] = false;
1821 $item['parent'] = $parent_id;
1822 Hook::callAll('post_local', $item);
1823 unset($item['edit']);
1824 unset($item['parent']);
1826 Hook::callAll('post_remote', $item);
1829 // This array field is used to trigger some automatic reactions
1830 // It is mainly used in the "post_local" hook.
1831 unset($item['api_source']);
1833 if (!empty($item['cancel'])) {
1834 Logger::log('post cancelled by addon.');
1839 * Check for already added items.
1840 * There is a timing issue here that sometimes creates double postings.
1841 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1843 if ($item["uid"] == 0) {
1844 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1845 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1850 Logger::log('' . print_r($item,true), Logger::DATA);
1852 if (array_key_exists('tag', $item)) {
1853 $tags = $item['tag'];
1854 unset($item['tag']);
1859 if (array_key_exists('file', $item)) {
1860 $files = $item['file'];
1861 unset($item['file']);
1866 // Creates or assigns the permission set
1867 $item['psid'] = PermissionSet::fetchIDForPost($item);
1869 // We are doing this outside of the transaction to avoid timing problems
1870 if (!self::insertActivity($item)) {
1871 self::insertContent($item);
1874 $delivery_data = ItemDeliveryData::extractFields($item);
1876 unset($item['postopts']);
1877 unset($item['inform']);
1879 // These fields aren't stored anymore in the item table, they are fetched upon request
1880 unset($item['author-link']);
1881 unset($item['author-name']);
1882 unset($item['author-avatar']);
1883 unset($item['author-network']);
1885 unset($item['owner-link']);
1886 unset($item['owner-name']);
1887 unset($item['owner-avatar']);
1889 $like_no_comment = Config::get('system', 'like_no_comment');
1892 $ret = DBA::insert('item', $item);
1894 // When the item was successfully stored we fetch the ID of the item.
1895 if (DBA::isResult($ret)) {
1896 $current_post = DBA::lastInsertId();
1898 // This can happen - for example - if there are locking timeouts.
1901 // Store the data into a spool file so that we can try again later.
1902 self::spool($orig_item);
1906 if ($current_post == 0) {
1907 // This is one of these error messages that never should occur.
1908 Logger::log("couldn't find created item - we better quit now.");
1913 // How much entries have we created?
1914 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1915 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1918 // There are duplicates. We delete our just created entry.
1919 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1921 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1922 DBA::delete('item', ['id' => $current_post]);
1925 } elseif ($entries == 0) {
1926 // This really should never happen since we quit earlier if there were problems.
1927 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1932 Logger::log('created item '.$current_post);
1934 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1935 $parent_id = $current_post;
1939 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1941 $item['id'] = $current_post;
1942 $item['parent'] = $parent_id;
1944 // update the commented timestamp on the parent
1945 // Only update "commented" if it is really a comment
1946 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1947 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1949 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1954 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1955 * We can check for this condition when we decode and encode the stuff again.
1957 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1958 $dsprsig->signature = base64_decode($dsprsig->signature);
1959 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1962 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1963 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1965 // The other fields are used by very old Friendica servers, so we currently store them differently
1966 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1967 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1971 if (!empty($diaspora_signed_text)) {
1972 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1975 if ($item['parent-uri'] === $item['uri']) {
1976 self::addThread($current_post);
1978 self::updateThread($parent_id);
1981 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1982 ItemDeliveryData::insert($current_post, $delivery_data);
1988 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1989 * This is not perfect - but a workable solution until we found the reason for the problem.
1991 if (!empty($tags)) {
1992 Term::insertFromTagFieldByItemId($current_post, $tags);
1995 if (!empty($files)) {
1996 Term::insertFromFileFieldByItemId($current_post, $files);
1999 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2000 if (self::tagDeliver($item['uid'], $current_post)) {
2001 // Get the user information for the logging
2002 $user = User::getById($uid);
2004 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2009 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2010 if (DBA::isResult($posted_item)) {
2012 Hook::callAll('post_local_end', $posted_item);
2014 Hook::callAll('post_remote_end', $posted_item);
2017 Logger::log('new item not found in DB, id ' . $current_post);
2021 if ($item['parent-uri'] === $item['uri']) {
2022 self::addShadow($current_post);
2024 self::addShadowPost($current_post);
2027 self::updateContact($item);
2029 UserItem::setNotification($current_post);
2031 check_user_notification($current_post);
2033 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
2034 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
2037 return $current_post;
2041 * @brief Insert a new item content entry
2043 * @param array $item The item fields that are to be inserted
2045 * @throws \Exception
2047 private static function insertActivity(&$item)
2049 $activity_index = self::activityToIndex($item['verb']);
2051 if ($activity_index < 0) {
2055 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2057 // We just remove everything that is content
2058 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2059 unset($item[$field]);
2062 // To avoid timing problems, we are using locks.
2063 $locked = DI::lock()->acquire('item_insert_activity');
2065 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2068 // Do we already have this content?
2069 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
2070 if (DBA::isResult($item_activity)) {
2071 $item['iaid'] = $item_activity['id'];
2072 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2073 } elseif (DBA::insert('item-activity', $fields)) {
2074 $item['iaid'] = DBA::lastInsertId();
2075 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
2077 // This shouldn't happen.
2078 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2079 DI::lock()->release('item_insert_activity');
2083 DI::lock()->release('item_insert_activity');
2089 * @brief Insert a new item content entry
2091 * @param array $item The item fields that are to be inserted
2092 * @throws \Exception
2094 private static function insertContent(&$item)
2096 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2098 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2099 if (isset($item[$field])) {
2100 $fields[$field] = $item[$field];
2101 unset($item[$field]);
2105 // To avoid timing problems, we are using locks.
2106 $locked = DI::lock()->acquire('item_insert_content');
2108 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2111 // Do we already have this content?
2112 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2113 if (DBA::isResult($item_content)) {
2114 $item['icid'] = $item_content['id'];
2115 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2116 } elseif (DBA::insert('item-content', $fields)) {
2117 $item['icid'] = DBA::lastInsertId();
2118 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2120 // This shouldn't happen.
2121 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2124 DI::lock()->release('item_insert_content');
2129 * @brief Update existing item content entries
2131 * @param array $item The item fields that are to be changed
2132 * @param array $condition The condition for finding the item content entries
2134 * @throws \Exception
2136 private static function updateActivity($item, $condition)
2138 if (empty($item['verb'])) {
2141 $activity_index = self::activityToIndex($item['verb']);
2143 if ($activity_index < 0) {
2147 $fields = ['activity' => $activity_index];
2149 Logger::log('Update activity for ' . json_encode($condition));
2151 DBA::update('item-activity', $fields, $condition, true);
2157 * @brief Update existing item content entries
2159 * @param array $item The item fields that are to be changed
2160 * @param array $condition The condition for finding the item content entries
2161 * @throws \Exception
2163 private static function updateContent($item, $condition)
2165 // We have to select only the fields from the "item-content" table
2167 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2168 if (isset($item[$field])) {
2169 $fields[$field] = $item[$field];
2173 if (empty($fields)) {
2174 // when there are no fields at all, just use the condition
2175 // This is to ensure that we always store content.
2176 $fields = $condition;
2179 Logger::log('Update content for ' . json_encode($condition));
2181 DBA::update('item-content', $fields, $condition, true);
2185 * @brief Distributes public items to the receivers
2187 * @param integer $itemid Item ID that should be added
2188 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2189 * @throws \Exception
2191 public static function distribute($itemid, $signed_text = '')
2193 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2194 $parent = self::selectFirst(['owner-id'], $condition);
2195 if (!DBA::isResult($parent)) {
2199 // Only distribute public items from native networks
2200 $condition = ['id' => $itemid, 'uid' => 0,
2201 'network' => array_merge(Protocol::FEDERATED ,['']),
2202 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2203 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2204 if (!DBA::isResult($item)) {
2208 $origin = $item['origin'];
2211 unset($item['parent']);
2212 unset($item['mention']);
2213 unset($item['wall']);
2214 unset($item['origin']);
2215 unset($item['starred']);
2219 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2220 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2221 if (!DBA::isResult($owner)) {
2225 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2226 $contacts = DBA::select('contact', ['uid'], $condition);
2227 while ($contact = DBA::fetch($contacts)) {
2228 if ($contact['uid'] == 0) {
2232 $users[$contact['uid']] = $contact['uid'];
2234 DBA::close($contacts);
2236 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2237 $contacts = DBA::select('contact', ['uid'], $condition);
2238 while ($contact = DBA::fetch($contacts)) {
2239 if ($contact['uid'] == 0) {
2243 $users[$contact['uid']] = $contact['uid'];
2245 DBA::close($contacts);
2247 if (!empty($owner['alias'])) {
2248 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2249 $contacts = DBA::select('contact', ['uid'], $condition);
2250 while ($contact = DBA::fetch($contacts)) {
2251 if ($contact['uid'] == 0) {
2255 $users[$contact['uid']] = $contact['uid'];
2257 DBA::close($contacts);
2262 if ($item['uri'] != $item['parent-uri']) {
2263 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2264 while ($parent = self::fetch($parents)) {
2265 $users[$parent['uid']] = $parent['uid'];
2266 if ($parent['origin'] && !$origin) {
2267 $origin_uid = $parent['uid'];
2272 foreach ($users as $uid) {
2273 if ($origin_uid == $uid) {
2274 $item['diaspora_signed_text'] = $signed_text;
2276 self::storeForUser($itemid, $item, $uid);
2281 * @brief Store public items for the receivers
2283 * @param integer $itemid Item ID that should be added
2284 * @param array $item The item entry that will be stored
2285 * @param integer $uid The user that will receive the item entry
2286 * @throws \Exception
2288 private static function storeForUser($itemid, $item, $uid)
2290 $item['uid'] = $uid;
2291 $item['origin'] = 0;
2293 if ($item['uri'] == $item['parent-uri']) {
2294 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2296 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2299 if (empty($item['contact-id'])) {
2300 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2301 if (!DBA::isResult($self)) {
2304 $item['contact-id'] = $self['id'];
2307 /// @todo Handling of "event-id"
2310 if ($item['uri'] == $item['parent-uri']) {
2311 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2312 if (DBA::isResult($contact)) {
2313 $notify = self::isRemoteSelf($contact, $item);
2317 $distributed = self::insert($item, false, $notify, true);
2319 if (!$distributed) {
2320 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2322 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2327 * @brief Add a shadow entry for a given item id that is a thread starter
2329 * We store every public item entry additionally with the user id "0".
2330 * This is used for the community page and for the search.
2331 * It is planned that in the future we will store public item entries only once.
2333 * @param integer $itemid Item ID that should be added
2334 * @throws \Exception
2336 public static function addShadow($itemid)
2338 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2339 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2340 $item = self::selectFirst($fields, $condition);
2342 if (!DBA::isResult($item)) {
2346 // is it already a copy?
2347 if (($itemid == 0) || ($item['uid'] == 0)) {
2351 // Is it a visible public post?
2352 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2356 // is it an entry from a connector? Only add an entry for natively connected networks
2357 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2361 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2365 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2367 if (DBA::isResult($item)) {
2368 // Preparing public shadow (removing user specific data)
2371 unset($item['parent']);
2372 unset($item['wall']);
2373 unset($item['mention']);
2374 unset($item['origin']);
2375 unset($item['starred']);
2376 unset($item['postopts']);
2377 unset($item['inform']);
2378 if ($item['uri'] == $item['parent-uri']) {
2379 $item['contact-id'] = $item['owner-id'];
2381 $item['contact-id'] = $item['author-id'];
2384 $public_shadow = self::insert($item, false, false, true);
2386 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2391 * @brief Add a shadow entry for a given item id that is a comment
2393 * This function does the same like the function above - but for comments
2395 * @param integer $itemid Item ID that should be added
2396 * @throws \Exception
2398 public static function addShadowPost($itemid)
2400 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2401 if (!DBA::isResult($item)) {
2405 // Is it a toplevel post?
2406 if ($item['id'] == $item['parent']) {
2407 self::addShadow($itemid);
2411 // Is this a shadow entry?
2412 if ($item['uid'] == 0) {
2416 // Is there a shadow parent?
2417 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2421 // Is there already a shadow entry?
2422 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2426 // Save "origin" and "parent" state
2427 $origin = $item['origin'];
2428 $parent = $item['parent'];
2430 // Preparing public shadow (removing user specific data)
2433 unset($item['parent']);
2434 unset($item['wall']);
2435 unset($item['mention']);
2436 unset($item['origin']);
2437 unset($item['starred']);
2438 unset($item['postopts']);
2439 unset($item['inform']);
2440 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2442 $public_shadow = self::insert($item, false, false, true);
2444 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2446 // If this was a comment to a Diaspora post we don't get our comment back.
2447 // This means that we have to distribute the comment by ourselves.
2448 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2449 self::distribute($public_shadow);
2454 * Adds a language specification in a "language" element of given $arr.
2455 * Expects "body" element to exist in $arr.
2458 * @throws \Text_LanguageDetect_Exception
2460 private static function addLanguageToItemArray(&$item)
2462 $naked_body = BBCode::toPlaintext($item['body'], false);
2464 $ld = new Text_LanguageDetect();
2465 $ld->setNameMode(2);
2466 $languages = $ld->detect($naked_body, 3);
2468 if (is_array($languages)) {
2469 $item['language'] = json_encode($languages);
2474 * @brief Creates an unique guid out of a given uri
2476 * @param string $uri uri of an item entry
2477 * @param string $host hostname for the GUID prefix
2478 * @return string unique guid
2480 public static function guidFromUri($uri, $host)
2482 // Our regular guid routine is using this kind of prefix as well
2483 // We have to avoid that different routines could accidentally create the same value
2484 $parsed = parse_url($uri);
2486 // We use a hash of the hostname as prefix for the guid
2487 $guid_prefix = hash("crc32", $host);
2489 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2490 unset($parsed["scheme"]);
2492 // Glue it together to be able to make a hash from it
2493 $host_id = implode("/", $parsed);
2495 // We could use any hash algorithm since it isn't a security issue
2496 $host_hash = hash("ripemd128", $host_id);
2498 return $guid_prefix.$host_hash;
2502 * generate an unique URI
2504 * @param integer $uid User id
2505 * @param string $guid An existing GUID (Otherwise it will be generated)
2508 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2510 public static function newURI($uid, $guid = "")
2513 $guid = System::createUUID();
2516 return DI::baseUrl()->get() . '/objects/' . $guid;
2520 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2522 * This can be used to filter for inactive contacts.
2523 * Only do this for public postings to avoid privacy problems, since poco data is public.
2524 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2526 * @param array $arr Contains the just posted item record
2527 * @throws \Exception
2529 private static function updateContact($arr)
2531 // Unarchive the author
2532 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2533 if (DBA::isResult($contact)) {
2534 Contact::unmarkForArchival($contact);
2537 // Unarchive the contact if it's not our own contact
2538 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2539 if (DBA::isResult($contact)) {
2540 Contact::unmarkForArchival($contact);
2543 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2545 // Is it a forum? Then we don't care about the rules from above
2546 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2547 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2553 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2554 ['id' => $arr['contact-id']]);
2556 // Now do the same for the system wide contacts with uid=0
2557 if (!$arr['private']) {
2558 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2559 ['id' => $arr['owner-id']]);
2561 if ($arr['owner-id'] != $arr['author-id']) {
2562 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2563 ['id' => $arr['author-id']]);
2568 public static function setHashtags(&$item)
2570 $tags = BBCode::getTags($item["body"]);
2573 if (!count($tags)) {
2577 // What happens in [code], stays in [code]!
2578 // escape the # and the [
2579 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2580 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2582 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2584 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2585 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2588 // This sorting is important when there are hashtags that are part of other hashtags
2589 // Otherwise there could be problems with hashtags like #test and #test2
2592 $URLSearchString = "^\[\]";
2594 // All hashtags should point to the home server if "local_tags" is activated
2595 if (Config::get('system', 'local_tags')) {
2596 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2597 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2599 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2600 "#[url=".DI::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2603 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2604 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2606 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2609 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2611 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2614 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2616 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2619 // Repair recursive urls
2620 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2621 "#$2", $item["body"]);
2623 foreach ($tags as $tag) {
2624 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || strlen($tag) < 2 || $tag[1] == '#') {
2628 $basetag = str_replace('_',' ',substr($tag,1));
2629 $newtag = '#[url=' . DI::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2631 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2633 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2634 if (strlen($item["tag"])) {
2635 $item["tag"] = ',' . $item["tag"];
2637 $item["tag"] = $newtag . $item["tag"];
2641 // Convert back the masked hashtags
2642 $item["body"] = str_replace("#", "#", $item["body"]);
2644 // Remember! What happens in [code], stays in [code]
2645 // roleback the # and [
2646 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2648 // we truly unESCape all sharp and leftsquarebracket
2649 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2650 $replace = ['#', '['];
2651 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2656 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2659 * @param int $item_id
2660 * @return boolean true if item was deleted, else false
2661 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2662 * @throws \ImagickException
2664 private static function tagDeliver($uid, $item_id)
2668 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2669 if (!DBA::isResult($user)) {
2673 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2674 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2676 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2677 if (!DBA::isResult($item)) {
2681 $link = Strings::normaliseLink(DI::baseUrl() . '/profile/' . $user['nickname']);
2684 * Diaspora uses their own hardwired link URL in @-tags
2685 * instead of the one we supply with webfinger
2687 $dlink = Strings::normaliseLink(DI::baseUrl() . '/u/' . $user['nickname']);
2689 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2691 foreach ($matches as $mtch) {
2692 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2694 Logger::log('mention found: ' . $mtch[2]);
2700 if (($community_page || $prvgroup) &&
2701 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2702 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2704 Logger::log("no-mention top-level post to community or private group. delete.");
2705 DBA::delete('item', ['id' => $item_id]);
2711 $arr = ['item' => $item, 'user' => $user];
2713 Hook::callAll('tagged', $arr);
2715 if (!$community_page && !$prvgroup) {
2720 * tgroup delivery - setup a second delivery chain
2721 * prevent delivery looping - only proceed
2722 * if the message originated elsewhere and is a top-level post
2724 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2728 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2729 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2730 if (!DBA::isResult($self)) {
2734 $owner_id = Contact::getIdForURL($self['url']);
2736 // also reset all the privacy bits to the forum default permissions
2738 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2740 $psid = PermissionSet::fetchIDForPost($user);
2742 $forum_mode = ($prvgroup ? 2 : 1);
2744 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2745 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2746 self::update($fields, ['id' => $item_id]);
2748 self::updateThread($item_id);
2750 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2755 public static function isRemoteSelf($contact, &$datarray)
2757 if (!$contact['remote_self']) {
2761 // Prevent the forwarding of posts that are forwarded
2762 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2763 Logger::log('Already forwarded', Logger::DEBUG);
2767 // Prevent to forward already forwarded posts
2768 if ($datarray["app"] == DI::baseUrl()->getHostname()) {
2769 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2773 // Only forward posts
2774 if ($datarray["verb"] != Activity::POST) {
2775 Logger::log('No post', Logger::DEBUG);
2779 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2780 Logger::log('Not public', Logger::DEBUG);
2784 $datarray2 = $datarray;
2785 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2786 if ($contact['remote_self'] == 2) {
2787 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2788 ['uid' => $contact['uid'], 'self' => true]);
2789 if (DBA::isResult($self)) {
2790 $datarray['contact-id'] = $self["id"];
2792 $datarray['owner-name'] = $self["name"];
2793 $datarray['owner-link'] = $self["url"];
2794 $datarray['owner-avatar'] = $self["thumb"];
2796 $datarray['author-name'] = $datarray['owner-name'];
2797 $datarray['author-link'] = $datarray['owner-link'];
2798 $datarray['author-avatar'] = $datarray['owner-avatar'];
2800 unset($datarray['edited']);
2802 unset($datarray['network']);
2803 unset($datarray['owner-id']);
2804 unset($datarray['author-id']);
2807 if ($contact['network'] != Protocol::FEED) {
2808 $datarray["guid"] = System::createUUID();
2809 unset($datarray["plink"]);
2810 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2811 $datarray["parent-uri"] = $datarray["uri"];
2812 $datarray["thr-parent"] = $datarray["uri"];
2813 $datarray["extid"] = Protocol::DFRN;
2814 $urlpart = parse_url($datarray2['author-link']);
2815 $datarray["app"] = $urlpart["host"];
2817 $datarray['private'] = 0;
2821 if ($contact['network'] != Protocol::FEED) {
2822 // Store the original post
2823 $result = self::insert($datarray2, false, false);
2824 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2826 $datarray["app"] = "Feed";
2830 // Trigger automatic reactions for addons
2831 $datarray['api_source'] = true;
2833 // We have to tell the hooks who we are - this really should be improved
2834 $_SESSION["authenticated"] = true;
2835 $_SESSION["uid"] = $contact['uid'];
2844 * @param array $item
2847 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2848 * @throws \ImagickException
2850 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2852 if (Config::get('system', 'disable_embedded')) {
2856 Logger::log('check for photos', Logger::DEBUG);
2857 $site = substr(DI::baseUrl(), strpos(DI::baseUrl(), '://'));
2862 $img_start = strpos($orig_body, '[img');
2863 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2864 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2866 while (($img_st_close !== false) && ($img_len !== false)) {
2867 $img_st_close++; // make it point to AFTER the closing bracket
2868 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2870 Logger::log('found photo ' . $image, Logger::DEBUG);
2872 if (stristr($image, $site . '/photo/')) {
2873 // Only embed locally hosted photos
2875 $i = basename($image);
2876 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2877 $x = strpos($i, '-');
2880 $res = substr($i, $x + 1);
2881 $i = substr($i, 0, $x);
2882 $photo = Photo::getPhotoForUser($uid, $i, $res);
2883 if (DBA::isResult($photo)) {
2885 * Check to see if we should replace this photo link with an embedded image
2886 * 1. No need to do so if the photo is public
2887 * 2. If there's a contact-id provided, see if they're in the access list
2888 * for the photo. If so, embed it.
2889 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2890 * permissions, regardless of order but first check to see if they're an exact
2891 * match to save some processing overhead.
2893 if (self::hasPermissions($photo)) {
2895 $recips = self::enumeratePermissions($photo);
2896 if (in_array($cid, $recips)) {
2900 if (self::samePermissions($uid, $item, $photo)) {
2906 $photo_img = Photo::getImageForPhoto($photo);
2907 // If a custom width and height were specified, apply before embedding
2908 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2909 Logger::log('scaling photo', Logger::DEBUG);
2911 $width = intval($match[1]);
2912 $height = intval($match[2]);
2914 $photo_img->scaleDown(max($width, $height));
2917 $data = $photo_img->asString();
2918 $type = $photo_img->getType();
2920 Logger::log('replacing photo', Logger::DEBUG);
2921 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2922 Logger::log('replaced: ' . $image, Logger::DATA);
2928 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2929 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2930 if ($orig_body === false) {
2934 $img_start = strpos($orig_body, '[img');
2935 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2936 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2939 $new_body = $new_body . $orig_body;
2944 private static function hasPermissions($obj)
2946 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2947 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2950 private static function samePermissions($uid, $obj1, $obj2)
2952 // first part is easy. Check that these are exactly the same.
2953 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2954 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2955 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2956 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2960 // This is harder. Parse all the permissions and compare the resulting set.
2961 $recipients1 = self::enumeratePermissions($obj1);
2962 $recipients2 = self::enumeratePermissions($obj2);
2966 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2967 return ($recipients1 == $recipients2);
2971 * Returns an array of contact-ids that are allowed to see this object
2973 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2974 * @param bool $check_dead Prunes unavailable contacts from the result
2976 * @throws \Exception
2978 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2980 $aclFormater = DI::aclFormatter();
2982 $allow_people = $aclFormater->expand($obj['allow_cid']);
2983 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2984 $deny_people = $aclFormater->expand($obj['deny_cid']);
2985 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2986 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2987 $deny = array_unique(array_merge($deny_people, $deny_groups));
2988 $recipients = array_diff($recipients, $deny);
2992 public static function getFeedTags($item)
2996 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2998 for ($x = 0; $x < $cnt; $x ++) {
2999 if ($matches[1][$x]) {
3000 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3005 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3007 for ($x = 0; $x < $cnt; $x ++) {
3008 if ($matches[1][$x]) {
3009 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3016 public static function expire($uid, $days, $network = "", $force = false)
3018 if (!$uid || ($days < 1)) {
3022 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3023 $uid, GRAVITY_PARENT];
3026 * $expire_network_only = save your own wall posts
3027 * and just expire conversations started by others
3029 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
3031 if ($expire_network_only) {
3032 $condition[0] .= " AND NOT `wall`";
3035 if ($network != "") {
3036 $condition[0] .= " AND `network` = ?";
3037 $condition[] = $network;
3040 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3041 $condition[] = $days;
3043 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3045 if (!DBA::isResult($items)) {
3049 $expire_items = PConfig::get($uid, 'expire', 'items', true);
3051 // Forcing expiring of items - but not notes and marked items
3053 $expire_items = true;
3056 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
3057 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
3058 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
3062 while ($item = Item::fetch($items)) {
3063 // don't expire filed items
3065 if (strpos($item['file'], '[') !== false) {
3069 // Only expire posts, not photos and photo comments
3071 if (!$expire_photos && strlen($item['resource-id'])) {
3073 } elseif (!$expire_starred && intval($item['starred'])) {
3075 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3077 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3081 self::deleteById($item['id'], PRIORITY_LOW);
3086 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3089 public static function firstPostDate($uid, $wall = false)
3091 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3092 $params = ['order' => ['received' => false]];
3093 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3094 if (DBA::isResult($thread)) {
3095 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3101 * @brief add/remove activity to an item
3103 * Toggle activities as like,dislike,attend of an item
3105 * @param string $item_id
3106 * @param string $verb
3107 * Activity verb. One of
3108 * like, unlike, dislike, undislike, attendyes, unattendyes,
3109 * attendno, unattendno, attendmaybe, unattendmaybe
3111 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3112 * @throws \ImagickException
3113 * @hook 'post_local_end'
3115 * 'post_id' => ID of posted item
3117 public static function performLike($item_id, $verb)
3119 if (!Session::isAuthenticated()) {
3126 $activity = Activity::LIKE;
3130 $activity = Activity::DISLIKE;
3134 $activity = Activity::ATTEND;
3138 $activity = Activity::ATTENDNO;
3141 case 'unattendmaybe':
3142 $activity = Activity::ATTENDMAYBE;
3145 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3149 // Enable activity toggling instead of on/off
3150 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3152 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3154 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3155 if (!DBA::isResult($item)) {
3156 Logger::log('like: unknown item ' . $item_id);
3160 $item_uri = $item['uri'];
3162 $uid = $item['uid'];
3163 if (($uid == 0) && local_user()) {
3164 $uid = local_user();
3167 if (!Security::canWriteToUserWall($uid)) {
3168 Logger::log('like: unable to write on wall ' . $uid);
3172 // Retrieves the local post owner
3173 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3174 if (!DBA::isResult($owner_self_contact)) {
3175 Logger::log('like: unknown owner ' . $uid);
3179 // Retrieve the current logged in user's public contact
3180 $author_id = public_contact();
3182 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3183 if (!DBA::isResult($author_contact)) {
3184 Logger::log('like: unknown author ' . $author_id);
3188 // Contact-id is the uid-dependant author contact
3189 if (local_user() == $uid) {
3190 $item_contact_id = $owner_self_contact['id'];
3192 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3193 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3194 if (!DBA::isResult($item_contact)) {
3195 Logger::log('like: unknown item contact ' . $item_contact_id);
3200 // Look for an existing verb row
3201 // event participation are essentially radio toggles. If you make a subsequent choice,
3202 // we need to eradicate your first choice.
3203 if ($event_verb_flag) {
3204 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3206 // Translate to the index based activity index
3208 foreach ($verbs as $verb) {
3209 $activities[] = self::activityToIndex($verb);
3212 $activities = self::activityToIndex($activity);
3215 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3216 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3218 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3220 // If it exists, mark it as deleted
3221 if (DBA::isResult($like_item)) {
3222 self::deleteById($like_item['id']);
3224 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3229 // Verb is "un-something", just trying to delete existing entries
3230 if (strpos($verb, 'un') === 0) {
3234 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3237 'guid' => System::createUUID(),
3238 'uri' => self::newURI($item['uid']),
3239 'uid' => $item['uid'],
3240 'contact-id' => $item_contact_id,
3241 'wall' => $item['wall'],
3243 'network' => Protocol::DFRN,
3244 'gravity' => GRAVITY_ACTIVITY,
3245 'parent' => $item['id'],
3246 'parent-uri' => $item['uri'],
3247 'thr-parent' => $item['uri'],
3248 'owner-id' => $author_id,
3249 'author-id' => $author_id,
3250 'body' => $activity,
3251 'verb' => $activity,
3252 'object-type' => $objtype,
3253 'allow_cid' => $item['allow_cid'],
3254 'allow_gid' => $item['allow_gid'],
3255 'deny_cid' => $item['deny_cid'],
3256 'deny_gid' => $item['deny_gid'],
3261 $signed = Diaspora::createLikeSignature($uid, $new_item);
3262 if (!empty($signed)) {
3263 $new_item['diaspora_signed_text'] = json_encode($signed);
3266 $new_item_id = self::insert($new_item);
3268 // If the parent item isn't visible then set it to visible
3269 if (!$item['visible']) {
3270 self::update(['visible' => true], ['id' => $item['id']]);
3273 $new_item['id'] = $new_item_id;
3275 Hook::callAll('post_local_end', $new_item);
3280 private static function addThread($itemid, $onlyshadow = false)
3282 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3283 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3284 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3285 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3286 $item = self::selectFirst($fields, $condition);
3288 if (!DBA::isResult($item)) {
3292 $item['iid'] = $itemid;
3295 $result = DBA::insert('thread', $item);
3297 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3301 private static function updateThread($itemid, $setmention = false)
3303 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3304 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3305 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3306 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3308 $item = self::selectFirst($fields, $condition);
3309 if (!DBA::isResult($item)) {
3314 $item["mention"] = 1;
3319 foreach ($item as $field => $data) {
3320 if (!in_array($field, ["guid"])) {
3321 $fields[$field] = $data;
3325 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3327 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3330 private static function deleteThread($itemid, $itemuri = "")
3332 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3333 if (!DBA::isResult($item)) {
3334 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3338 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3340 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3342 if ($itemuri != "") {
3343 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3344 if (!self::exists($condition)) {
3345 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3346 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3351 public static function getPermissionsSQLByUserId($owner_id)
3353 $local_user = local_user();
3354 $remote_user = Session::getRemoteContactID($owner_id);
3357 * Construct permissions
3359 * default permissions - anonymous user
3361 $sql = " AND NOT `item`.`private`";
3363 // Profile owner - everything is visible
3364 if ($local_user && ($local_user == $owner_id)) {
3366 } elseif ($remote_user) {
3368 * Authenticated visitor. Unless pre-verified,
3369 * check that the contact belongs to this $owner_id
3370 * and load the groups the visitor belongs to.
3371 * If pre-verified, the caller is expected to have already
3372 * done this and passed the groups into this function.
3374 $set = PermissionSet::get($owner_id, $remote_user);
3377 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3382 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3389 * get translated item type
3394 public static function postType($item)
3396 if (!empty($item['event-id'])) {
3397 return L10n::t('event');
3398 } elseif (!empty($item['resource-id'])) {
3399 return L10n::t('photo');
3400 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3401 return L10n::t('activity');
3402 } elseif ($item['id'] != $item['parent']) {
3403 return L10n::t('comment');
3406 return L10n::t('post');
3410 * Sets the "rendered-html" field of the provided item
3412 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3414 * @param array $item
3415 * @param bool $update
3417 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3418 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3420 public static function putInCache(&$item, $update = false)
3422 $body = $item["body"];
3424 $rendered_hash = $item['rendered-hash'] ?? '';
3425 $rendered_html = $item['rendered-html'] ?? '';
3427 if ($rendered_hash == ''
3428 || $rendered_html == ""
3429 || $rendered_hash != hash("md5", $item["body"])
3430 || Config::get("system", "ignore_cache")
3432 self::addRedirToImageTags($item);
3434 $item["rendered-html"] = BBCode::convert($item["body"]);
3435 $item["rendered-hash"] = hash("md5", $item["body"]);
3437 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3438 Hook::callAll('put_item_in_cache', $hook_data);
3439 $item['rendered-html'] = $hook_data['rendered-html'];
3440 $item['rendered-hash'] = $hook_data['rendered-hash'];
3443 // Force an update if the generated values differ from the existing ones
3444 if ($rendered_hash != $item["rendered-hash"]) {
3448 // Only compare the HTML when we forcefully ignore the cache
3449 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3453 if ($update && !empty($item["id"])) {
3456 'rendered-html' => $item["rendered-html"],
3457 'rendered-hash' => $item["rendered-hash"]
3459 ['id' => $item["id"]]
3464 $item["body"] = $body;
3468 * @brief Find any non-embedded images in private items and add redir links to them
3470 * @param array &$item The field array of an item row
3472 private static function addRedirToImageTags(array &$item)
3477 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3479 foreach ($matches as $mtch) {
3480 if (strpos($mtch[1], '/redir') !== false) {
3484 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3485 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3486 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3493 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3494 * If attach is true, also add icons for item attachments.
3496 * @param array $item
3497 * @param boolean $attach
3498 * @param boolean $is_preview
3499 * @return string item body html
3500 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3501 * @throws \ImagickException
3502 * @hook prepare_body_init item array before any work
3503 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3504 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3505 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3507 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3510 Hook::callAll('prepare_body_init', $item);
3512 // In order to provide theme developers more possibilities, event items
3513 // are treated differently.
3514 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3515 $ev = Event::getItemHTML($item);
3519 $tags = Term::populateTagsFromItem($item);
3521 $item['tags'] = $tags['tags'];
3522 $item['hashtags'] = $tags['hashtags'];
3523 $item['mentions'] = $tags['mentions'];
3525 // Compile eventual content filter reasons
3526 $filter_reasons = [];
3527 if (!$is_preview && public_contact() != $item['author-id']) {
3528 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3529 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3534 'filter_reasons' => $filter_reasons
3536 Hook::callAll('prepare_body_content_filter', $hook_data);
3537 $filter_reasons = $hook_data['filter_reasons'];
3541 // Update the cached values if there is no "zrl=..." on the links.
3542 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3544 // Or update it if the current viewer is the intented viewer.
3545 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3549 self::putInCache($item, $update);
3550 $s = $item["rendered-html"];
3555 'preview' => $is_preview,
3556 'filter_reasons' => $filter_reasons
3558 Hook::callAll('prepare_body', $hook_data);
3559 $s = $hook_data['html'];
3563 // Replace the blockquotes with quotes that are used in mails.
3564 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3565 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3572 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3573 foreach ($matches as $mtch) {
3576 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3578 if (strpos($mime, 'video') !== false) {
3581 DI::page()['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3584 $url_parts = explode('/', $the_url);
3585 $id = end($url_parts);
3586 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3589 'title' => L10n::t('View Video'),
3596 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3598 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3599 $filesubtype = str_replace('.', '-', $filesubtype);
3602 $filesubtype = 'unkn';
3605 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3606 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3608 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3609 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3613 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3617 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3618 $x = Map::byCoordinates(trim($item['coord']));
3620 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3624 // Replace friendica image url size with theme preference.
3625 if (!empty($a->theme_info['item_image_size'])) {
3626 $ps = $a->theme_info['item_image_size'];
3627 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3630 $s = HTML::applyContentFilter($s, $filter_reasons);
3632 $hook_data = ['item' => $item, 'html' => $s];
3633 Hook::callAll('prepare_body_final', $hook_data);
3635 return $hook_data['html'];
3639 * get private link for item
3641 * @param array $item
3642 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3643 * @throws \Exception
3645 public static function getPlink($item)
3649 if ($a->user['nickname'] != "") {
3651 'href' => "display/" . $item['guid'],
3652 'orig' => "display/" . $item['guid'],
3653 'title' => L10n::t('View on separate page'),
3654 'orig_title' => L10n::t('view on separate page'),
3657 if (!empty($item['plink'])) {
3658 $ret["href"] = DI::baseUrl()->remove($item['plink']);
3659 $ret["title"] = L10n::t('link to source');
3662 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3664 'href' => $item['plink'],
3665 'orig' => $item['plink'],
3666 'title' => L10n::t('link to source'),
3676 * Is the given item array a post that is sent as starting post to a forum?
3678 * @param array $item
3679 * @param array $owner
3681 * @return boolean "true" when it is a forum post
3683 public static function isForumPost(array $item, array $owner = [])
3685 if (empty($owner)) {
3686 $owner = User::getOwnerDataById($item['uid']);
3687 if (empty($owner)) {
3692 if (($item['author-id'] == $item['owner-id']) ||
3693 ($owner['id'] == $item['contact-id']) ||
3694 ($item['uri'] != $item['parent-uri']) ||
3699 return Contact::isForum($item['contact-id']);
3703 * Search item id for given URI or plink
3705 * @param string $uri
3706 * @param integer $uid
3708 * @return integer item id
3710 public static function searchByLink($uri, $uid = 0)
3712 $ssl_uri = str_replace('http://', 'https://', $uri);
3713 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3715 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3716 if (DBA::isResult($item)) {
3720 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3721 if (!DBA::isResult($itemcontent)) {
3725 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3726 if (!DBA::isResult($itemuri)) {
3730 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3731 if (DBA::isResult($item)) {
3739 * Fetches item for given URI or plink
3741 * @param string $uri
3742 * @param integer $uid
3744 * @return integer item id
3746 public static function fetchByLink($uri, $uid = 0)
3748 $item_id = self::searchByLink($uri, $uid);
3749 if (!empty($item_id)) {
3753 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3754 $item_id = self::searchByLink($uri, $uid);
3756 $item_id = Diaspora::fetchByURL($uri);
3759 if (!empty($item_id)) {
3767 * Return share data from an item array (if the item is shared item)
3768 * We are providing the complete Item array, because at some time in the future
3769 * we hopefully will define these values not in the body anymore but in some item fields.
3770 * This function is meant to replace all similar functions in the system.
3772 * @param array $item
3774 * @return array with share information
3776 public static function getShareArray($item)
3778 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3782 $attribute_string = $matches[2];
3783 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3784 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3785 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3786 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3793 * Fetch item information for shared items from the original items and adds it.
3795 * @param array $item
3797 * @return array item array with data from the original item
3799 public static function addShareDataFromOriginal($item)
3801 $shared = self::getShareArray($item);
3802 if (empty($shared)) {
3806 // Real reshares always have got a GUID.
3807 if (empty($shared['guid'])) {
3811 $uid = $item['uid'] ?? 0;
3813 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3814 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3815 if (!DBA::isResult($shared_item)) {
3816 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3817 $id = self::fetchByLink($shared['link'], $uid);
3819 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3823 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3824 if (!DBA::isResult($shared_item)) {
3827 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3829 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3832 if (!empty($shared_item['title'])) {
3833 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3834 unset($shared_item['title']);
3836 $body = $shared_item['body'];
3839 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3840 unset($shared_item['body']);
3842 return array_merge($item, $shared_item);