4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Content\Text\HTML;
12 use Friendica\Core\Config;
13 use Friendica\Core\Hook;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\Logger;
17 use Friendica\Core\PConfig;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Renderer;
20 use Friendica\Core\Session;
21 use Friendica\Core\System;
22 use Friendica\Core\Worker;
23 use Friendica\Database\DBA;
24 use Friendica\Protocol\Activity;
25 use Friendica\Protocol\ActivityPub;
26 use Friendica\Protocol\Diaspora;
27 use Friendica\Protocol\OStatus;
28 use Friendica\Util\ACLFormatter;
29 use Friendica\Util\DateTimeFormat;
30 use Friendica\Util\Map;
31 use Friendica\Util\Network;
32 use Friendica\Util\Security;
33 use Friendica\Util\Strings;
34 use Friendica\Util\XML;
35 use Friendica\Worker\Delivery;
36 use Text_LanguageDetect;
38 class Item extends BaseObject
40 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
47 const PT_DOCUMENT = 19;
49 const PT_PERSONAL_NOTE = 128;
51 // Field list that is used to display the items
52 const DISPLAY_FIELDLIST = [
53 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
54 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
55 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
56 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
57 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
58 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
59 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
60 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
61 'writable', 'self', 'cid', 'alias', 'pinned',
62 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
63 'event-summary', 'event-desc', 'event-location', 'event-type',
64 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
65 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
68 // Field list that is used to deliver items via the protocols
69 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
70 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
71 'private', 'title', 'body', 'location', 'coord', 'app',
72 'attach', 'tag', 'deleted', 'extid', 'post-type',
73 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
74 'author-id', 'author-link', 'owner-link', 'contact-uid',
75 'signed_text', 'signature', 'signer', 'network'];
77 // Field list for "item-content" table that is mixed with the item table
78 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
79 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
80 'object-type', 'object', 'target-type', 'target', 'plink'];
82 // Field list for "item-content" table that is not present in the "item" table
83 const CONTENT_FIELDLIST = ['language'];
85 // All fields in the item table
86 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
87 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
88 'created', 'edited', 'commented', 'received', 'changed', 'verb',
89 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
90 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
91 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
92 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
93 'title', 'content-warning', 'body', 'location', 'coord', 'app',
94 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
95 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
96 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
98 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
99 // The item-activity table only stores the index and needs this array to know the matching activity.
101 Activity::LIKE, Activity::DISLIKE,
102 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
106 private static $legacy_mode = null;
108 public static function isLegacyMode()
110 if (is_null(self::$legacy_mode)) {
111 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
114 return self::$legacy_mode;
118 * Set the pinned state of an item
120 * @param integer $iid Item ID
121 * @param integer $uid User ID
122 * @param boolean $pinned Pinned state
124 public static function setPinned(int $iid, int $uid, bool $pinned)
126 DBA::update('user-item', ['pinned' => $pinned], ['iid' => $iid, 'uid' => $uid], true);
130 * Get the pinned state
132 * @param integer $iid Item ID
133 * @param integer $uid User ID
135 * @return boolean pinned state
137 public static function getPinned(int $iid, int $uid)
139 $useritem = DBA::selectFirst('user-item', ['pinned'], ['iid' => $iid, 'uid' => $uid]);
140 if (!DBA::isResult($useritem)) {
143 return (bool)$useritem['pinned'];
147 * @brief Select pinned rows from the item table for a given user
149 * @param integer $uid User ID
150 * @param array $selected Array of selected fields, empty for all
151 * @param array $condition Array of fields for condition
152 * @param array $params Array of several parameters
154 * @return boolean|object
157 public static function selectPinned(int $uid, array $selected = [], array $condition = [], $params = [])
159 $useritems = DBA::select('user-item', ['iid'], ['uid' => $uid, 'pinned' => true]);
160 if (!DBA::isResult($useritems)) {
165 while ($useritem = self::fetch($useritems)) {
166 $pinned[] = $useritem['iid'];
168 DBA::close($useritems);
170 if (empty($pinned)) {
174 if (empty($condition) || !is_array($condition)) {
175 $condition = ['iid' => $pinned];
178 $first_key = key($condition);
179 if (!is_int($first_key)) {
180 $condition['iid'] = $pinned;
182 $values_string = substr(str_repeat("?, ", count($pinned)), 0, -2);
183 $condition[0] = '(' . $condition[0] . ") AND `iid` IN (" . $values_string . ")";
184 $condition = array_merge($condition, $pinned);
188 return self::selectThreadForUser($uid, $selected, $condition, $params);
192 * @brief returns an activity index from an activity string
194 * @param string $activity activity string
195 * @return integer Activity index
197 public static function activityToIndex($activity)
199 $index = array_search($activity, self::ACTIVITIES);
201 if (is_bool($index)) {
209 * @brief returns an activity string from an activity index
211 * @param integer $index activity index
212 * @return string Activity string
214 private static function indexToActivity($index)
216 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
220 return self::ACTIVITIES[$index];
224 * @brief Fetch a single item row
226 * @param mixed $stmt statement object
227 * @return array current row
229 public static function fetch($stmt)
231 $row = DBA::fetch($stmt);
237 // ---------------------- Transform item structure data ----------------------
239 // We prefer the data from the user's contact over the public one
240 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
241 ($row['author-link'] == $row['contact-link'])) {
242 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
243 $row['author-avatar'] = $row['contact-avatar'];
245 if (isset($row['author-name']) && !empty($row['contact-name'])) {
246 $row['author-name'] = $row['contact-name'];
250 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
251 ($row['owner-link'] == $row['contact-link'])) {
252 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
253 $row['owner-avatar'] = $row['contact-avatar'];
255 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
256 $row['owner-name'] = $row['contact-name'];
260 // We can always comment on posts from these networks
261 if (array_key_exists('writable', $row) &&
262 in_array($row['internal-network'], Protocol::FEDERATED)) {
263 $row['writable'] = true;
266 // ---------------------- Transform item content data ----------------------
268 // Fetch data from the item-content table whenever there is content there
269 if (self::isLegacyMode()) {
270 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
271 foreach ($legacy_fields as $field) {
272 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
273 $row[$field] = $row['internal-item-' . $field];
275 unset($row['internal-item-' . $field]);
279 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
280 $row['verb'] = self::indexToActivity($row['internal-activity']);
281 if (array_key_exists('title', $row)) {
284 if (array_key_exists('body', $row)) {
285 $row['body'] = $row['verb'];
287 if (array_key_exists('object', $row)) {
290 if (array_key_exists('object-type', $row)) {
291 $row['object-type'] = Activity\ObjectType::NOTE;
293 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
294 // Posts don't have a target - but having tags or files.
295 // We safe some performance by building tag and file strings only here.
296 // We remove the target since they aren't used for this type.
297 // In mail posts we do store some mail header data in the object.
298 if (array_key_exists('target', $row)) {
303 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
304 // Build the tag string out of the term entries
305 if (array_key_exists('tag', $row) && empty($row['tag'])) {
306 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
309 // Build the file string out of the term entries
310 if (array_key_exists('file', $row) && empty($row['file'])) {
311 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
315 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
316 $row['signed_text'] = $row['interaction'];
319 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
320 $row['ignored'] = $row['internal-user-ignored'];
323 // Remove internal fields
324 unset($row['internal-activity']);
325 unset($row['internal-network']);
326 unset($row['internal-iid']);
327 unset($row['internal-iaid']);
328 unset($row['internal-icid']);
329 unset($row['internal-user-ignored']);
330 unset($row['interaction']);
336 * @brief Fills an array with data from an item query
338 * @param object $stmt statement object
339 * @param bool $do_close
340 * @return array Data array
342 public static function inArray($stmt, $do_close = true) {
343 if (is_bool($stmt)) {
348 while ($row = self::fetch($stmt)) {
358 * @brief Check if item data exists
360 * @param array $condition array of fields for condition
362 * @return boolean Are there rows for that condition?
365 public static function exists($condition) {
366 $stmt = self::select(['id'], $condition, ['limit' => 1]);
368 if (is_bool($stmt)) {
371 $retval = (DBA::numRows($stmt) > 0);
380 * Retrieve a single record from the item table for a given user and returns it in an associative array
382 * @brief Retrieve a single record from a table
383 * @param integer $uid User ID
384 * @param array $selected
385 * @param array $condition
386 * @param array $params
391 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
393 $params['uid'] = $uid;
395 if (empty($selected)) {
396 $selected = Item::DISPLAY_FIELDLIST;
399 return self::selectFirst($selected, $condition, $params);
403 * @brief Select rows from the item table for a given user
405 * @param integer $uid User ID
406 * @param array $selected Array of selected fields, empty for all
407 * @param array $condition Array of fields for condition
408 * @param array $params Array of several parameters
410 * @return boolean|object
413 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
415 $params['uid'] = $uid;
417 if (empty($selected)) {
418 $selected = Item::DISPLAY_FIELDLIST;
421 return self::select($selected, $condition, $params);
425 * Retrieve a single record from the item table and returns it in an associative array
427 * @brief Retrieve a single record from a table
428 * @param array $fields
429 * @param array $condition
430 * @param array $params
435 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
437 $params['limit'] = 1;
439 $result = self::select($fields, $condition, $params);
441 if (is_bool($result)) {
444 $row = self::fetch($result);
451 * @brief Select rows from the item table and returns them as an array
453 * @param array $selected Array of selected fields, empty for all
454 * @param array $condition Array of fields for condition
455 * @param array $params Array of several parameters
460 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
462 $result = self::select($fields, $condition, $params);
464 if (is_bool($result)) {
469 while ($row = self::fetch($result)) {
478 * @brief Select rows from the item table
480 * @param array $selected Array of selected fields, empty for all
481 * @param array $condition Array of fields for condition
482 * @param array $params Array of several parameters
484 * @return boolean|object
487 public static function select(array $selected = [], array $condition = [], $params = [])
492 if (isset($params['uid'])) {
493 $uid = $params['uid'];
497 $fields = self::fieldlist($usermode);
499 $select_fields = self::constructSelectFields($fields, $selected);
501 $condition_string = DBA::buildCondition($condition);
503 $condition_string = self::addTablesToFields($condition_string, $fields);
506 $condition_string = $condition_string . ' AND ' . self::condition(false);
509 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
511 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
513 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
515 return DBA::p($sql, $condition);
519 * @brief Select rows from the starting post in the item table
521 * @param integer $uid User ID
522 * @param array $selected
523 * @param array $condition Array of fields for condition
524 * @param array $params Array of several parameters
526 * @return boolean|object
529 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
531 $params['uid'] = $uid;
533 if (empty($selected)) {
534 $selected = Item::DISPLAY_FIELDLIST;
537 return self::selectThread($selected, $condition, $params);
541 * Retrieve a single record from the starting post in the item table and returns it in an associative array
543 * @brief Retrieve a single record from a table
544 * @param integer $uid User ID
545 * @param array $selected
546 * @param array $condition
547 * @param array $params
552 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
554 $params['uid'] = $uid;
556 if (empty($selected)) {
557 $selected = Item::DISPLAY_FIELDLIST;
560 return self::selectFirstThread($selected, $condition, $params);
564 * Retrieve a single record from the starting post in the item table and returns it in an associative array
566 * @brief Retrieve a single record from a table
567 * @param array $fields
568 * @param array $condition
569 * @param array $params
574 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
576 $params['limit'] = 1;
577 $result = self::selectThread($fields, $condition, $params);
579 if (is_bool($result)) {
582 $row = self::fetch($result);
589 * @brief Select rows from the starting post in the item table
591 * @param array $selected Array of selected fields, empty for all
592 * @param array $condition Array of fields for condition
593 * @param array $params Array of several parameters
595 * @return boolean|object
598 public static function selectThread(array $selected = [], array $condition = [], $params = [])
603 if (isset($params['uid'])) {
604 $uid = $params['uid'];
608 $fields = self::fieldlist($usermode);
610 $fields['thread'] = ['mention', 'ignored', 'iid'];
612 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
613 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
614 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
615 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
617 $select_fields = self::constructSelectFields($fields, $selected);
619 $condition_string = DBA::buildCondition($condition);
621 $condition_string = self::addTablesToFields($condition_string, $threadfields);
622 $condition_string = self::addTablesToFields($condition_string, $fields);
625 $condition_string = $condition_string . ' AND ' . self::condition(true);
628 $param_string = DBA::buildParameter($params);
629 $param_string = self::addTablesToFields($param_string, $threadfields);
630 $param_string = self::addTablesToFields($param_string, $fields);
632 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
634 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
636 return DBA::p($sql, $condition);
640 * @brief Returns a list of fields that are associated with the item table
643 * @return array field list
645 private static function fieldlist($usermode)
649 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
650 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
651 'created', 'edited', 'commented', 'received', 'changed', 'psid',
652 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
653 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
654 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
655 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
656 'network' => 'internal-network', 'icid' => 'internal-icid',
657 'iaid' => 'internal-iaid'];
660 $fields['user-item'] = ['pinned', 'ignored' => 'internal-user-ignored'];
663 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
665 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
667 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
669 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
671 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
672 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
674 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
675 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
677 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
678 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
679 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
681 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
683 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
685 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
686 'start' => 'event-start','finish' => 'event-finish',
687 'summary' => 'event-summary','desc' => 'event-desc',
688 'location' => 'event-location', 'type' => 'event-type',
689 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
690 'ignore' => 'event-ignore', 'id' => 'event-id'];
692 $fields['sign'] = ['signed_text', 'signature', 'signer'];
694 $fields['diaspora-interaction'] = ['interaction'];
700 * @brief Returns SQL condition for the "select" functions
702 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
704 * @return string SQL condition
706 private static function condition($thread_mode)
709 $master_table = "`thread`";
711 $master_table = "`item`";
713 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
714 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
715 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
716 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
717 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
718 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
719 GRAVITY_PARENT, GRAVITY_PARENT);
723 * @brief Returns all needed "JOIN" commands for the "select" functions
725 * @param integer $uid User ID
726 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
727 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
730 * @return string The SQL joins for the "select" functions
732 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
735 $master_table = "`thread`";
736 $master_table_key = "`thread`.`iid`";
737 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
739 $master_table = "`item`";
740 $master_table_key = "`item`.`id`";
745 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
746 AND NOT `contact`.`blocked`
747 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
748 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
749 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
750 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
751 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
752 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
753 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
754 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
756 if (strpos($sql_commands, "`contact`.") !== false) {
757 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
759 if (strpos($sql_commands, "`author`.") !== false) {
760 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
762 if (strpos($sql_commands, "`owner`.") !== false) {
763 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
767 if (strpos($sql_commands, "`group_member`.") !== false) {
768 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
771 if (strpos($sql_commands, "`user`.") !== false) {
772 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
775 if (strpos($sql_commands, "`event`.") !== false) {
776 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
779 if (strpos($sql_commands, "`sign`.") !== false) {
780 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
783 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
784 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
787 if (strpos($sql_commands, "`item-activity`.") !== false) {
788 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
791 if (strpos($sql_commands, "`item-content`.") !== false) {
792 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
795 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
796 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
799 if (strpos($sql_commands, "`permissionset`.") !== false) {
800 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
803 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
804 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
807 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
808 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
815 * @brief Add the field list for the "select" functions
817 * @param array $fields The field definition array
818 * @param array $selected The array with the selected fields from the "select" functions
820 * @return string The field list
822 private static function constructSelectFields($fields, $selected)
824 if (!empty($selected)) {
825 $selected[] = 'internal-iid';
826 $selected[] = 'internal-iaid';
827 $selected[] = 'internal-icid';
828 $selected[] = 'internal-network';
831 if (in_array('verb', $selected)) {
832 $selected[] = 'internal-activity';
835 if (in_array('ignored', $selected)) {
836 $selected[] = 'internal-user-ignored';
839 if (in_array('signed_text', $selected)) {
840 $selected[] = 'interaction';
843 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
846 foreach ($fields as $table => $table_fields) {
847 foreach ($table_fields as $field => $select) {
848 if (empty($selected) || in_array($select, $selected)) {
849 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
850 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
852 if (is_int($field)) {
853 $selection[] = "`" . $table . "`.`" . $select . "`";
855 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
860 return implode(", ", $selection);
864 * @brief add table definition to fields in an SQL query
866 * @param string $query SQL query
867 * @param array $fields The field definition array
869 * @return string the changed SQL query
871 private static function addTablesToFields($query, $fields)
873 foreach ($fields as $table => $table_fields) {
874 foreach ($table_fields as $alias => $field) {
875 if (is_int($alias)) {
876 $replace_field = $field;
878 $replace_field = $alias;
881 $search = "/([^\.])`" . $field . "`/i";
882 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
883 $query = preg_replace($search, $replace, $query);
890 * @brief Update existing item entries
892 * @param array $fields The fields that are to be changed
893 * @param array $condition The condition for finding the item entries
895 * In the future we may have to change permissions as well.
896 * Then we had to add the user id as third parameter.
898 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
900 * @return integer|boolean number of affected rows - or "false" if there was an error
901 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
903 public static function update(array $fields, array $condition)
905 if (empty($condition) || empty($fields)) {
909 // To ensure the data integrity we do it in an transaction
912 // We cannot simply expand the condition to check for origin entries
913 // The condition needn't to be a simple array but could be a complex condition.
914 // And we have to execute this query before the update to ensure to fetch the same data.
915 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
917 $content_fields = [];
918 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
919 if (isset($fields[$field])) {
920 $content_fields[$field] = $fields[$field];
921 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
922 unset($fields[$field]);
924 $fields[$field] = null;
929 $delivery_data = ItemDeliveryData::extractFields($fields);
931 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
932 foreach ($clear_fields as $field) {
933 if (array_key_exists($field, $fields)) {
934 $fields[$field] = null;
938 if (array_key_exists('tag', $fields)) {
939 $tags = $fields['tag'];
940 $fields['tag'] = null;
945 if (array_key_exists('file', $fields)) {
946 $files = $fields['file'];
947 $fields['file'] = null;
952 if (!empty($fields)) {
953 $success = DBA::update('item', $fields, $condition);
962 // When there is no content for the "old" item table, this will count the fetched items
963 $rows = DBA::affectedRows();
967 while ($item = DBA::fetch($items)) {
968 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
969 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
971 if (empty($item['iaid'])) {
972 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
973 if (DBA::isResult($item_activity)) {
974 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
975 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
976 if (self::isLegacyMode()) {
977 $item_fields[$field] = null;
979 unset($item_fields[$field]);
982 DBA::update('item', $item_fields, ['id' => $item['id']]);
984 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
985 DBA::delete('item-content', ['id' => $item['icid']]);
988 } elseif (!empty($item['icid'])) {
989 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
991 if (!DBA::exists('item', ['icid' => $item['icid']])) {
992 DBA::delete('item-content', ['id' => $item['icid']]);
996 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
998 if (empty($item['icid'])) {
999 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
1000 if (DBA::isResult($item_content)) {
1001 $item_fields = ['icid' => $item_content['id']];
1002 // Clear all fields in the item table that have a content in the item-content table
1003 foreach ($item_content as $field => $content) {
1004 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
1005 if (self::isLegacyMode()) {
1006 $item_fields[$field] = null;
1008 unset($item_fields[$field]);
1012 DBA::update('item', $item_fields, ['id' => $item['id']]);
1017 if (!is_null($tags)) {
1018 Term::insertFromTagFieldByItemId($item['id'], $tags);
1019 if (!empty($item['tag'])) {
1020 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
1024 if (!is_null($files)) {
1025 Term::insertFromFileFieldByItemId($item['id'], $files);
1026 if (!empty($item['file'])) {
1027 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
1031 ItemDeliveryData::update($item['id'], $delivery_data);
1033 self::updateThread($item['id']);
1035 // We only need to notfiy others when it is an original entry from us.
1036 // Only call the notifier when the item has some content relevant change.
1037 if ($item['origin'] && in_array('edited', array_keys($fields))) {
1038 $notify_items[] = $item['id'];
1045 foreach ($notify_items as $notify_item) {
1046 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
1053 * @brief Delete an item and notify others about it - if it was ours
1055 * @param array $condition The condition for finding the item entries
1056 * @param integer $priority Priority for the notification
1057 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1059 public static function delete($condition, $priority = PRIORITY_HIGH)
1061 $items = self::select(['id'], $condition);
1062 while ($item = self::fetch($items)) {
1063 self::deleteById($item['id'], $priority);
1069 * @brief Delete an item for an user and notify others about it - if it was ours
1071 * @param array $condition The condition for finding the item entries
1072 * @param integer $uid User who wants to delete this item
1073 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1075 public static function deleteForUser($condition, $uid)
1081 $items = self::select(['id', 'uid'], $condition);
1082 while ($item = self::fetch($items)) {
1083 // "Deleting" global items just means hiding them
1084 if ($item['uid'] == 0) {
1085 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1087 // Delete notifications
1088 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $uid]);
1089 } elseif ($item['uid'] == $uid) {
1090 self::deleteById($item['id'], PRIORITY_HIGH);
1092 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1099 * @brief Delete an item and notify others about it - if it was ours
1101 * @param integer $item_id Item ID that should be delete
1102 * @param integer $priority Priority for the notification
1104 * @return boolean success
1105 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1107 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1109 // locate item to be deleted
1110 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1111 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1112 'verb', 'object-type', 'object', 'target', 'contact-id',
1113 'icid', 'iaid', 'psid'];
1114 $item = self::selectFirst($fields, ['id' => $item_id]);
1115 if (!DBA::isResult($item)) {
1116 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1120 if ($item['deleted']) {
1121 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1125 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1126 if (!DBA::isResult($parent)) {
1127 $parent = ['origin' => false];
1130 // clean up categories and tags so they don't end up as orphans
1133 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1136 foreach ($matches as $mtch) {
1137 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1143 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1146 foreach ($matches as $mtch) {
1147 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1152 * If item is a link to a photo resource, nuke all the associated photos
1153 * (visitors will not have photo resources)
1154 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1155 * generate a resource-id and therefore aren't intimately linked to the item.
1157 /// @TODO: this should first check if photo is used elsewhere
1158 if (strlen($item['resource-id'])) {
1159 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1162 // If item is a link to an event, delete the event.
1163 if (intval($item['event-id'])) {
1164 Event::delete($item['event-id']);
1167 // If item has attachments, drop them
1168 /// @TODO: this should first check if attachment is used elsewhere
1169 foreach (explode(",", $item['attach']) as $attach) {
1170 preg_match("|attach/(\d+)|", $attach, $matches);
1171 if (is_array($matches) && count($matches) > 1) {
1172 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1176 // Delete tags that had been attached to other items
1177 self::deleteTagsFromItem($item);
1179 // Delete notifications
1180 DBA::delete('notify', ['iid' => $item['id'], 'uid' => $item['uid']]);
1182 // Set the item to "deleted"
1183 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1184 DBA::update('item', $item_fields, ['id' => $item['id']]);
1186 Term::insertFromTagFieldByItemId($item['id'], '');
1187 Term::insertFromFileFieldByItemId($item['id'], '');
1188 self::deleteThread($item['id'], $item['parent-uri']);
1190 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1191 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1194 ItemDeliveryData::delete($item['id']);
1196 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1198 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1199 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1201 // When the permission set will be used in photo and events as well,
1202 // this query here needs to be extended.
1203 // @todo Currently deactivated. We need the permission set in the deletion process.
1204 // This is a reminder to add the removal somewhere else.
1205 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1206 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1209 // If it's the parent of a comment thread, kill all the kids
1210 if ($item['id'] == $item['parent']) {
1211 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1214 // Is it our comment and/or our thread?
1215 if ($item['origin'] || $parent['origin']) {
1217 // When we delete the original post we will delete all existing copies on the server as well
1218 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1220 // send the notification upstream/downstream
1221 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1222 } elseif ($item['uid'] != 0) {
1224 // When we delete just our local user copy of an item, we have to set a marker to hide it
1225 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1226 if (DBA::isResult($global_item)) {
1227 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1231 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1236 private static function deleteTagsFromItem($item)
1238 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1242 $xo = XML::parseString($item["object"], false);
1243 $xt = XML::parseString($item["target"], false);
1245 if ($xt->type != Activity\ObjectType::NOTE) {
1249 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1250 if (!DBA::isResult($i)) {
1254 // For tags, the owner cannot remove the tag on the author's copy of the post.
1255 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1256 $author_copy = $item["origin"];
1258 if (($owner_remove && $author_copy) || !$owner_remove) {
1262 $tags = explode(',', $i["tag"]);
1265 foreach ($tags as $tag) {
1266 if (trim($tag) !== trim($xo->body)) {
1267 $newtags[] = trim($tag);
1271 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1274 private static function guid($item, $notify)
1276 if (!empty($item['guid'])) {
1277 return Strings::escapeTags(trim($item['guid']));
1281 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1282 // We add the hash of our own host because our host is the original creator of the post.
1283 $prefix_host = \get_app()->getHostName();
1287 // We are only storing the post so we create a GUID from the original hostname.
1288 if (!empty($item['author-link'])) {
1289 $parsed = parse_url($item['author-link']);
1290 if (!empty($parsed['host'])) {
1291 $prefix_host = $parsed['host'];
1295 if (empty($prefix_host) && !empty($item['plink'])) {
1296 $parsed = parse_url($item['plink']);
1297 if (!empty($parsed['host'])) {
1298 $prefix_host = $parsed['host'];
1302 if (empty($prefix_host) && !empty($item['uri'])) {
1303 $parsed = parse_url($item['uri']);
1304 if (!empty($parsed['host'])) {
1305 $prefix_host = $parsed['host'];
1309 // Is it in the format data@host.tld? - Used for mail contacts
1310 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1311 $mailparts = explode('@', $item['author-link']);
1312 $prefix_host = array_pop($mailparts);
1316 if (!empty($item['plink'])) {
1317 $guid = self::guidFromUri($item['plink'], $prefix_host);
1318 } elseif (!empty($item['uri'])) {
1319 $guid = self::guidFromUri($item['uri'], $prefix_host);
1321 $guid = System::createUUID(hash('crc32', $prefix_host));
1327 private static function contactId($item)
1329 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1330 return $item['contact-id'];
1331 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1332 return $item['contact-id'];
1333 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1334 return $item['author-id'];
1335 } elseif (!empty($item['contact-id'])) {
1336 return $item['contact-id'];
1338 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1339 if (!empty($contact_id)) {
1343 return $item['author-id'];
1346 // This function will finally cover most of the preparation functionality in mod/item.php
1347 public static function prepare(&$item)
1350 * @TODO: Unused code triggering inspection errors
1352 $data = BBCode::getAttachmentData($item['body']);
1353 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1354 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1355 $posttype = Item::PT_PAGE;
1356 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1362 * Write an item array into a spool file to be inserted later.
1363 * This command is called whenever there are issues storing an item.
1365 * @param array $item The item fields that are to be inserted
1366 * @throws \Exception
1368 private static function spool($orig_item)
1370 // Now we store the data in the spool directory
1371 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1372 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1374 $spoolpath = get_spoolpath();
1375 if ($spoolpath != "") {
1376 $spool = $spoolpath . '/' . $file;
1378 file_put_contents($spool, json_encode($orig_item));
1379 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1383 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1387 $priority = PRIORITY_HIGH;
1389 // If it is a posting where users should get notifications, then define it as wall posting
1392 $item['origin'] = 1;
1393 $item['network'] = Protocol::DFRN;
1394 $item['protocol'] = Conversation::PARCEL_DFRN;
1396 if (is_int($notify)) {
1397 $priority = $notify;
1400 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1403 $item['guid'] = self::guid($item, $notify);
1404 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1407 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1409 // Store conversation data
1410 $item = Conversation::insert($item);
1413 * If a Diaspora signature structure was passed in, pull it out of the
1414 * item array and set it aside for later storage.
1418 if (isset($item['dsprsig'])) {
1419 $encoded_signature = $item['dsprsig'];
1420 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1421 unset($item['dsprsig']);
1424 $diaspora_signed_text = '';
1425 if (isset($item['diaspora_signed_text'])) {
1426 $diaspora_signed_text = $item['diaspora_signed_text'];
1427 unset($item['diaspora_signed_text']);
1430 // Converting the plink
1431 /// @TODO Check if this is really still needed
1432 if ($item['network'] == Protocol::OSTATUS) {
1433 if (isset($item['plink'])) {
1434 $item['plink'] = OStatus::convertHref($item['plink']);
1435 } elseif (isset($item['uri'])) {
1436 $item['plink'] = OStatus::convertHref($item['uri']);
1440 if (!empty($item['thr-parent'])) {
1441 $item['parent-uri'] = $item['thr-parent'];
1444 /** @var Activity $activity */
1445 $activity = self::getClass(Activity::class);
1447 if (isset($item['gravity'])) {
1448 $item['gravity'] = intval($item['gravity']);
1449 } elseif ($item['parent-uri'] === $item['uri']) {
1450 $item['gravity'] = GRAVITY_PARENT;
1451 } elseif ($activity->match($item['verb'], Activity::POST)) {
1452 $item['gravity'] = GRAVITY_COMMENT;
1453 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1454 $item['gravity'] = GRAVITY_ACTIVITY;
1456 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1457 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1460 $uid = intval($item['uid']);
1462 // check for create date and expire time
1463 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1465 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1466 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1467 $expire_interval = $user['expire'];
1470 if (($expire_interval > 0) && !empty($item['created'])) {
1471 $expire_date = time() - ($expire_interval * 86400);
1472 $created_date = strtotime($item['created']);
1473 if ($created_date < $expire_date) {
1474 Logger::notice('Item created before expiration interval.', [
1475 'created' => date('c', $created_date),
1476 'expired' => date('c', $expire_date),
1484 * Do we already have this item?
1485 * We have to check several networks since Friendica posts could be repeated
1486 * via OStatus (maybe Diasporsa as well)
1488 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1489 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1490 trim($item['uri']), $item['uid'],
1491 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1492 $existing = self::selectFirst(['id', 'network'], $condition);
1493 if (DBA::isResult($existing)) {
1494 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1496 Logger::notice('Item already existed for user', [
1497 'uri' => $item['uri'],
1499 'network' => $item['network'],
1500 'existing_id' => $existing["id"],
1501 'existing_network' => $existing["network"]
1505 return $existing["id"];
1509 $item['wall'] = intval($item['wall'] ?? 0);
1510 $item['extid'] = trim($item['extid'] ?? '');
1511 $item['author-name'] = trim($item['author-name'] ?? '');
1512 $item['author-link'] = trim($item['author-link'] ?? '');
1513 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1514 $item['owner-name'] = trim($item['owner-name'] ?? '');
1515 $item['owner-link'] = trim($item['owner-link'] ?? '');
1516 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1517 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1518 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1519 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1520 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1521 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1522 $item['title'] = trim($item['title'] ?? '');
1523 $item['location'] = trim($item['location'] ?? '');
1524 $item['coord'] = trim($item['coord'] ?? '');
1525 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1526 $item['deleted'] = 0;
1527 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1528 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1529 $item['verb'] = trim($item['verb'] ?? '');
1530 $item['object-type'] = trim($item['object-type'] ?? '');
1531 $item['object'] = trim($item['object'] ?? '');
1532 $item['target-type'] = trim($item['target-type'] ?? '');
1533 $item['target'] = trim($item['target'] ?? '');
1534 $item['plink'] = trim($item['plink'] ?? '');
1535 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1536 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1537 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1538 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1539 $item['private'] = intval($item['private'] ?? 0);
1540 $item['body'] = trim($item['body'] ?? '');
1541 $item['tag'] = trim($item['tag'] ?? '');
1542 $item['attach'] = trim($item['attach'] ?? '');
1543 $item['app'] = trim($item['app'] ?? '');
1544 $item['origin'] = intval($item['origin'] ?? 0);
1545 $item['postopts'] = trim($item['postopts'] ?? '');
1546 $item['resource-id'] = trim($item['resource-id'] ?? '');
1547 $item['event-id'] = intval($item['event-id'] ?? 0);
1548 $item['inform'] = trim($item['inform'] ?? '');
1549 $item['file'] = trim($item['file'] ?? '');
1551 // When there is no content then we don't post it
1552 if ($item['body'].$item['title'] == '') {
1553 Logger::notice('No body, no title.');
1557 self::addLanguageToItemArray($item);
1559 // Items cannot be stored before they happen ...
1560 if ($item['created'] > DateTimeFormat::utcNow()) {
1561 $item['created'] = DateTimeFormat::utcNow();
1564 // We haven't invented time travel by now.
1565 if ($item['edited'] > DateTimeFormat::utcNow()) {
1566 $item['edited'] = DateTimeFormat::utcNow();
1569 $item['plink'] = ($item['plink'] ?? '') ?: System::baseUrl() . '/display/' . urlencode($item['guid']);
1571 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1572 'photo' => $item['author-avatar'], 'network' => $item['network']];
1574 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1576 if (Contact::isBlocked($item['author-id'])) {
1577 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1581 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1582 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1586 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1587 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1591 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1592 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1594 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1596 if (Contact::isBlocked($item['owner-id'])) {
1597 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1601 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1602 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1606 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1607 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1611 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1612 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1613 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1617 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1618 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1622 // We don't store the causer, we only have it here for the checks above
1623 unset($item['causer-id']);
1624 unset($item['causer-link']);
1626 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1627 $item["contact-id"] = self::contactId($item);
1629 if ($item['network'] == Protocol::PHANTOM) {
1630 $item['network'] = Protocol::DFRN;
1631 Logger::notice('Missing network, setting to {network}.', [
1632 'uri' => $item["uri"],
1633 'network' => $item['network'],
1634 'callstack' => System::callstack()
1638 // Checking if there is already an item with the same guid
1639 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1640 if (self::exists($condition)) {
1641 Logger::notice('Found already existing item', [
1642 'guid' => $item['guid'],
1643 'uid' => $item['uid'],
1644 'network' => $item['network']
1649 if ($item['verb'] == Activity::FOLLOW) {
1650 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1651 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1652 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1656 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1657 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1658 if (self::exists($condition)) {
1659 // It happens that we receive multiple follow requests by the same author - we only store one.
1660 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1665 // Check for hashtags in the body and repair or add hashtag links
1666 self::setHashtags($item);
1668 $item['thr-parent'] = $item['parent-uri'];
1670 $notify_type = Delivery::POST;
1676 if ($item['parent-uri'] === $item['uri']) {
1678 $parent_deleted = 0;
1679 $allow_cid = $item['allow_cid'];
1680 $allow_gid = $item['allow_gid'];
1681 $deny_cid = $item['deny_cid'];
1682 $deny_gid = $item['deny_gid'];
1684 // find the parent and snarf the item id and ACLs
1685 // and anything else we need to inherit
1687 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1688 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1689 'wall', 'private', 'forum_mode', 'origin'];
1690 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1691 $params = ['order' => ['id' => false]];
1692 $parent = self::selectFirst($fields, $condition, $params);
1694 if (DBA::isResult($parent)) {
1695 // is the new message multi-level threaded?
1696 // even though we don't support it now, preserve the info
1697 // and re-attach to the conversation parent.
1699 if ($parent['uri'] != $parent['parent-uri']) {
1700 $item['parent-uri'] = $parent['parent-uri'];
1702 $condition = ['uri' => $item['parent-uri'],
1703 'parent-uri' => $item['parent-uri'],
1704 'uid' => $item['uid']];
1705 $params = ['order' => ['id' => false]];
1706 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1708 if (DBA::isResult($toplevel_parent)) {
1709 $parent = $toplevel_parent;
1713 $parent_id = $parent['id'];
1714 $parent_deleted = $parent['deleted'];
1715 $allow_cid = $parent['allow_cid'];
1716 $allow_gid = $parent['allow_gid'];
1717 $deny_cid = $parent['deny_cid'];
1718 $deny_gid = $parent['deny_gid'];
1719 $item['wall'] = $parent['wall'];
1722 * If the parent is private, force privacy for the entire conversation
1723 * This differs from the above settings as it subtly allows comments from
1724 * email correspondents to be private even if the overall thread is not.
1726 if ($parent['private']) {
1727 $item['private'] = $parent['private'];
1731 * Edge case. We host a public forum that was originally posted to privately.
1732 * The original author commented, but as this is a comment, the permissions
1733 * weren't fixed up so it will still show the comment as private unless we fix it here.
1735 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1736 $item['private'] = 0;
1739 // If its a post that originated here then tag the thread as "mention"
1740 if ($item['origin'] && $item['uid']) {
1741 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1742 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1746 * Allow one to see reply tweets from status.net even when
1747 * we don't have or can't see the original post.
1749 if ($force_parent) {
1750 Logger::log('$force_parent=true, reply converted to top-level post.');
1752 $item['parent-uri'] = $item['uri'];
1753 $item['gravity'] = GRAVITY_PARENT;
1755 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1759 $parent_deleted = 0;
1763 if (stristr($item['verb'], Activity::POKE)) {
1764 $notify_type = Delivery::POKE;
1767 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1768 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1770 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1771 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1772 if (self::exists($condition)) {
1773 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1777 // On Friendica and Diaspora the GUID is unique
1778 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1779 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1780 if (self::exists($condition)) {
1781 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1784 } elseif ($item['network'] == Protocol::OSTATUS) {
1785 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1786 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1787 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1788 if (self::exists($condition)) {
1789 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1794 // Is this item available in the global items (with uid=0)?
1795 if ($item["uid"] == 0) {
1796 $item["global"] = true;
1798 // Set the global flag on all items if this was a global item entry
1799 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1801 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1805 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1808 $private = $item['private'];
1811 $item["allow_cid"] = $allow_cid;
1812 $item["allow_gid"] = $allow_gid;
1813 $item["deny_cid"] = $deny_cid;
1814 $item["deny_gid"] = $deny_gid;
1815 $item["private"] = $private;
1816 $item["deleted"] = $parent_deleted;
1818 // Fill the cache field
1819 self::putInCache($item);
1822 $item['edit'] = false;
1823 $item['parent'] = $parent_id;
1824 Hook::callAll('post_local', $item);
1825 unset($item['edit']);
1826 unset($item['parent']);
1828 Hook::callAll('post_remote', $item);
1831 // This array field is used to trigger some automatic reactions
1832 // It is mainly used in the "post_local" hook.
1833 unset($item['api_source']);
1835 if (!empty($item['cancel'])) {
1836 Logger::log('post cancelled by addon.');
1841 * Check for already added items.
1842 * There is a timing issue here that sometimes creates double postings.
1843 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1845 if ($item["uid"] == 0) {
1846 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1847 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1852 Logger::log('' . print_r($item,true), Logger::DATA);
1854 if (array_key_exists('tag', $item)) {
1855 $tags = $item['tag'];
1856 unset($item['tag']);
1861 if (array_key_exists('file', $item)) {
1862 $files = $item['file'];
1863 unset($item['file']);
1868 // Creates or assigns the permission set
1869 $item['psid'] = PermissionSet::fetchIDForPost($item);
1871 // We are doing this outside of the transaction to avoid timing problems
1872 if (!self::insertActivity($item)) {
1873 self::insertContent($item);
1876 $delivery_data = ItemDeliveryData::extractFields($item);
1878 unset($item['postopts']);
1879 unset($item['inform']);
1881 // These fields aren't stored anymore in the item table, they are fetched upon request
1882 unset($item['author-link']);
1883 unset($item['author-name']);
1884 unset($item['author-avatar']);
1885 unset($item['author-network']);
1887 unset($item['owner-link']);
1888 unset($item['owner-name']);
1889 unset($item['owner-avatar']);
1891 $like_no_comment = Config::get('system', 'like_no_comment');
1894 $ret = DBA::insert('item', $item);
1896 // When the item was successfully stored we fetch the ID of the item.
1897 if (DBA::isResult($ret)) {
1898 $current_post = DBA::lastInsertId();
1900 // This can happen - for example - if there are locking timeouts.
1903 // Store the data into a spool file so that we can try again later.
1904 self::spool($orig_item);
1908 if ($current_post == 0) {
1909 // This is one of these error messages that never should occur.
1910 Logger::log("couldn't find created item - we better quit now.");
1915 // How much entries have we created?
1916 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1917 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1920 // There are duplicates. We delete our just created entry.
1921 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1923 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1924 DBA::delete('item', ['id' => $current_post]);
1927 } elseif ($entries == 0) {
1928 // This really should never happen since we quit earlier if there were problems.
1929 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1934 Logger::log('created item '.$current_post);
1936 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1937 $parent_id = $current_post;
1941 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1943 $item['id'] = $current_post;
1944 $item['parent'] = $parent_id;
1946 // update the commented timestamp on the parent
1947 // Only update "commented" if it is really a comment
1948 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1949 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1951 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1956 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1957 * We can check for this condition when we decode and encode the stuff again.
1959 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1960 $dsprsig->signature = base64_decode($dsprsig->signature);
1961 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1964 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1965 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1967 // The other fields are used by very old Friendica servers, so we currently store them differently
1968 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1969 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1973 if (!empty($diaspora_signed_text)) {
1974 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1977 if ($item['parent-uri'] === $item['uri']) {
1978 self::addThread($current_post);
1980 self::updateThread($parent_id);
1983 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1984 ItemDeliveryData::insert($current_post, $delivery_data);
1990 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1991 * This is not perfect - but a workable solution until we found the reason for the problem.
1993 if (!empty($tags)) {
1994 Term::insertFromTagFieldByItemId($current_post, $tags);
1997 if (!empty($files)) {
1998 Term::insertFromFileFieldByItemId($current_post, $files);
2001 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
2002 if (self::tagDeliver($item['uid'], $current_post)) {
2003 // Get the user information for the logging
2004 $user = User::getById($uid);
2006 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
2011 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
2012 if (DBA::isResult($posted_item)) {
2014 Hook::callAll('post_local_end', $posted_item);
2016 Hook::callAll('post_remote_end', $posted_item);
2019 Logger::log('new item not found in DB, id ' . $current_post);
2023 if ($item['parent-uri'] === $item['uri']) {
2024 self::addShadow($current_post);
2026 self::addShadowPost($current_post);
2029 self::updateContact($item);
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 = 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 Lock::release('item_insert_activity');
2083 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 = 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 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 self::getApp()->getBaseURL() . '/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=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2599 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2600 "#[url=".System::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=' . System::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(System::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(System::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, &$datarray)
2759 if (!$contact['remote_self']) {
2763 // Prevent the forwarding of posts that are forwarded
2764 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2765 Logger::log('Already forwarded', Logger::DEBUG);
2769 // Prevent to forward already forwarded posts
2770 if ($datarray["app"] == $a->getHostName()) {
2771 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2775 // Only forward posts
2776 if ($datarray["verb"] != Activity::POST) {
2777 Logger::log('No post', Logger::DEBUG);
2781 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2782 Logger::log('Not public', Logger::DEBUG);
2786 $datarray2 = $datarray;
2787 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2788 if ($contact['remote_self'] == 2) {
2789 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2790 ['uid' => $contact['uid'], 'self' => true]);
2791 if (DBA::isResult($self)) {
2792 $datarray['contact-id'] = $self["id"];
2794 $datarray['owner-name'] = $self["name"];
2795 $datarray['owner-link'] = $self["url"];
2796 $datarray['owner-avatar'] = $self["thumb"];
2798 $datarray['author-name'] = $datarray['owner-name'];
2799 $datarray['author-link'] = $datarray['owner-link'];
2800 $datarray['author-avatar'] = $datarray['owner-avatar'];
2802 unset($datarray['edited']);
2804 unset($datarray['network']);
2805 unset($datarray['owner-id']);
2806 unset($datarray['author-id']);
2809 if ($contact['network'] != Protocol::FEED) {
2810 $datarray["guid"] = System::createUUID();
2811 unset($datarray["plink"]);
2812 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2813 $datarray["parent-uri"] = $datarray["uri"];
2814 $datarray["thr-parent"] = $datarray["uri"];
2815 $datarray["extid"] = Protocol::DFRN;
2816 $urlpart = parse_url($datarray2['author-link']);
2817 $datarray["app"] = $urlpart["host"];
2819 $datarray['private'] = 0;
2823 if ($contact['network'] != Protocol::FEED) {
2824 // Store the original post
2825 $result = self::insert($datarray2, false, false);
2826 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2828 $datarray["app"] = "Feed";
2832 // Trigger automatic reactions for addons
2833 $datarray['api_source'] = true;
2835 // We have to tell the hooks who we are - this really should be improved
2836 $_SESSION["authenticated"] = true;
2837 $_SESSION["uid"] = $contact['uid'];
2846 * @param array $item
2849 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2850 * @throws \ImagickException
2852 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2854 if (Config::get('system', 'disable_embedded')) {
2858 Logger::log('check for photos', Logger::DEBUG);
2859 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2864 $img_start = strpos($orig_body, '[img');
2865 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2866 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2868 while (($img_st_close !== false) && ($img_len !== false)) {
2869 $img_st_close++; // make it point to AFTER the closing bracket
2870 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2872 Logger::log('found photo ' . $image, Logger::DEBUG);
2874 if (stristr($image, $site . '/photo/')) {
2875 // Only embed locally hosted photos
2877 $i = basename($image);
2878 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2879 $x = strpos($i, '-');
2882 $res = substr($i, $x + 1);
2883 $i = substr($i, 0, $x);
2884 $photo = Photo::getPhotoForUser($uid, $i, $res);
2885 if (DBA::isResult($photo)) {
2887 * Check to see if we should replace this photo link with an embedded image
2888 * 1. No need to do so if the photo is public
2889 * 2. If there's a contact-id provided, see if they're in the access list
2890 * for the photo. If so, embed it.
2891 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2892 * permissions, regardless of order but first check to see if they're an exact
2893 * match to save some processing overhead.
2895 if (self::hasPermissions($photo)) {
2897 $recips = self::enumeratePermissions($photo);
2898 if (in_array($cid, $recips)) {
2902 if (self::samePermissions($uid, $item, $photo)) {
2908 $photo_img = Photo::getImageForPhoto($photo);
2909 // If a custom width and height were specified, apply before embedding
2910 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2911 Logger::log('scaling photo', Logger::DEBUG);
2913 $width = intval($match[1]);
2914 $height = intval($match[2]);
2916 $photo_img->scaleDown(max($width, $height));
2919 $data = $photo_img->asString();
2920 $type = $photo_img->getType();
2922 Logger::log('replacing photo', Logger::DEBUG);
2923 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2924 Logger::log('replaced: ' . $image, Logger::DATA);
2930 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2931 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2932 if ($orig_body === false) {
2936 $img_start = strpos($orig_body, '[img');
2937 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2938 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2941 $new_body = $new_body . $orig_body;
2946 private static function hasPermissions($obj)
2948 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2949 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2952 private static function samePermissions($uid, $obj1, $obj2)
2954 // first part is easy. Check that these are exactly the same.
2955 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2956 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2957 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2958 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2962 // This is harder. Parse all the permissions and compare the resulting set.
2963 $recipients1 = self::enumeratePermissions($obj1);
2964 $recipients2 = self::enumeratePermissions($obj2);
2968 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2969 return ($recipients1 == $recipients2);
2973 * Returns an array of contact-ids that are allowed to see this object
2975 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2976 * @param bool $check_dead Prunes unavailable contacts from the result
2978 * @throws \Exception
2980 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2982 /** @var ACLFormatter $aclFormater */
2983 $aclFormater = self::getClass(ACLFormatter::class);
2985 $allow_people = $aclFormater->expand($obj['allow_cid']);
2986 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2987 $deny_people = $aclFormater->expand($obj['deny_cid']);
2988 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2989 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2990 $deny = array_unique(array_merge($deny_people, $deny_groups));
2991 $recipients = array_diff($recipients, $deny);
2995 public static function getFeedTags($item)
2999 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3001 for ($x = 0; $x < $cnt; $x ++) {
3002 if ($matches[1][$x]) {
3003 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
3008 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
3010 for ($x = 0; $x < $cnt; $x ++) {
3011 if ($matches[1][$x]) {
3012 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
3019 public static function expire($uid, $days, $network = "", $force = false)
3021 if (!$uid || ($days < 1)) {
3025 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
3026 $uid, GRAVITY_PARENT];
3029 * $expire_network_only = save your own wall posts
3030 * and just expire conversations started by others
3032 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
3034 if ($expire_network_only) {
3035 $condition[0] .= " AND NOT `wall`";
3038 if ($network != "") {
3039 $condition[0] .= " AND `network` = ?";
3040 $condition[] = $network;
3043 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
3044 $condition[] = $days;
3046 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
3048 if (!DBA::isResult($items)) {
3052 $expire_items = PConfig::get($uid, 'expire', 'items', true);
3054 // Forcing expiring of items - but not notes and marked items
3056 $expire_items = true;
3059 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
3060 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
3061 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
3065 while ($item = Item::fetch($items)) {
3066 // don't expire filed items
3068 if (strpos($item['file'], '[') !== false) {
3072 // Only expire posts, not photos and photo comments
3074 if (!$expire_photos && strlen($item['resource-id'])) {
3076 } elseif (!$expire_starred && intval($item['starred'])) {
3078 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3080 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3084 self::deleteById($item['id'], PRIORITY_LOW);
3089 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3092 public static function firstPostDate($uid, $wall = false)
3094 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3095 $params = ['order' => ['received' => false]];
3096 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3097 if (DBA::isResult($thread)) {
3098 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3104 * @brief add/remove activity to an item
3106 * Toggle activities as like,dislike,attend of an item
3108 * @param string $item_id
3109 * @param string $verb
3110 * Activity verb. One of
3111 * like, unlike, dislike, undislike, attendyes, unattendyes,
3112 * attendno, unattendno, attendmaybe, unattendmaybe
3114 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3115 * @throws \ImagickException
3116 * @hook 'post_local_end'
3118 * 'post_id' => ID of posted item
3120 public static function performLike($item_id, $verb)
3122 if (!Session::isAuthenticated()) {
3129 $activity = Activity::LIKE;
3133 $activity = Activity::DISLIKE;
3137 $activity = Activity::ATTEND;
3141 $activity = Activity::ATTENDNO;
3144 case 'unattendmaybe':
3145 $activity = Activity::ATTENDMAYBE;
3148 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3152 // Enable activity toggling instead of on/off
3153 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3155 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3157 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3158 if (!DBA::isResult($item)) {
3159 Logger::log('like: unknown item ' . $item_id);
3163 $item_uri = $item['uri'];
3165 $uid = $item['uid'];
3166 if (($uid == 0) && local_user()) {
3167 $uid = local_user();
3170 if (!Security::canWriteToUserWall($uid)) {
3171 Logger::log('like: unable to write on wall ' . $uid);
3175 // Retrieves the local post owner
3176 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3177 if (!DBA::isResult($owner_self_contact)) {
3178 Logger::log('like: unknown owner ' . $uid);
3182 // Retrieve the current logged in user's public contact
3183 $author_id = public_contact();
3185 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3186 if (!DBA::isResult($author_contact)) {
3187 Logger::log('like: unknown author ' . $author_id);
3191 // Contact-id is the uid-dependant author contact
3192 if (local_user() == $uid) {
3193 $item_contact_id = $owner_self_contact['id'];
3195 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3196 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3197 if (!DBA::isResult($item_contact)) {
3198 Logger::log('like: unknown item contact ' . $item_contact_id);
3203 // Look for an existing verb row
3204 // event participation are essentially radio toggles. If you make a subsequent choice,
3205 // we need to eradicate your first choice.
3206 if ($event_verb_flag) {
3207 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3209 // Translate to the index based activity index
3211 foreach ($verbs as $verb) {
3212 $activities[] = self::activityToIndex($verb);
3215 $activities = self::activityToIndex($activity);
3218 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3219 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3221 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3223 // If it exists, mark it as deleted
3224 if (DBA::isResult($like_item)) {
3225 self::deleteById($like_item['id']);
3227 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3232 // Verb is "un-something", just trying to delete existing entries
3233 if (strpos($verb, 'un') === 0) {
3237 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3240 'guid' => System::createUUID(),
3241 'uri' => self::newURI($item['uid']),
3242 'uid' => $item['uid'],
3243 'contact-id' => $item_contact_id,
3244 'wall' => $item['wall'],
3246 'network' => Protocol::DFRN,
3247 'gravity' => GRAVITY_ACTIVITY,
3248 'parent' => $item['id'],
3249 'parent-uri' => $item['uri'],
3250 'thr-parent' => $item['uri'],
3251 'owner-id' => $author_id,
3252 'author-id' => $author_id,
3253 'body' => $activity,
3254 'verb' => $activity,
3255 'object-type' => $objtype,
3256 'allow_cid' => $item['allow_cid'],
3257 'allow_gid' => $item['allow_gid'],
3258 'deny_cid' => $item['deny_cid'],
3259 'deny_gid' => $item['deny_gid'],
3264 $signed = Diaspora::createLikeSignature($uid, $new_item);
3265 if (!empty($signed)) {
3266 $new_item['diaspora_signed_text'] = json_encode($signed);
3269 $new_item_id = self::insert($new_item);
3271 // If the parent item isn't visible then set it to visible
3272 if (!$item['visible']) {
3273 self::update(['visible' => true], ['id' => $item['id']]);
3276 $new_item['id'] = $new_item_id;
3278 Hook::callAll('post_local_end', $new_item);
3283 private static function addThread($itemid, $onlyshadow = false)
3285 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3286 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3287 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3288 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3289 $item = self::selectFirst($fields, $condition);
3291 if (!DBA::isResult($item)) {
3295 $item['iid'] = $itemid;
3298 $result = DBA::insert('thread', $item);
3300 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3304 private static function updateThread($itemid, $setmention = false)
3306 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3307 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3308 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3309 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3311 $item = self::selectFirst($fields, $condition);
3312 if (!DBA::isResult($item)) {
3317 $item["mention"] = 1;
3322 foreach ($item as $field => $data) {
3323 if (!in_array($field, ["guid"])) {
3324 $fields[$field] = $data;
3328 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3330 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3333 private static function deleteThread($itemid, $itemuri = "")
3335 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3336 if (!DBA::isResult($item)) {
3337 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3341 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3343 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3345 if ($itemuri != "") {
3346 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3347 if (!self::exists($condition)) {
3348 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3349 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3354 public static function getPermissionsSQLByUserId($owner_id)
3356 $local_user = local_user();
3357 $remote_user = Session::getRemoteContactID($owner_id);
3360 * Construct permissions
3362 * default permissions - anonymous user
3364 $sql = " AND NOT `item`.`private`";
3366 // Profile owner - everything is visible
3367 if ($local_user && ($local_user == $owner_id)) {
3369 } elseif ($remote_user) {
3371 * Authenticated visitor. Unless pre-verified,
3372 * check that the contact belongs to this $owner_id
3373 * and load the groups the visitor belongs to.
3374 * If pre-verified, the caller is expected to have already
3375 * done this and passed the groups into this function.
3377 $set = PermissionSet::get($owner_id, $remote_user);
3380 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3385 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3392 * get translated item type
3397 public static function postType($item)
3399 if (!empty($item['event-id'])) {
3400 return L10n::t('event');
3401 } elseif (!empty($item['resource-id'])) {
3402 return L10n::t('photo');
3403 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3404 return L10n::t('activity');
3405 } elseif ($item['id'] != $item['parent']) {
3406 return L10n::t('comment');
3409 return L10n::t('post');
3413 * Sets the "rendered-html" field of the provided item
3415 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3417 * @param array $item
3418 * @param bool $update
3420 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3421 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3423 public static function putInCache(&$item, $update = false)
3425 $body = $item["body"];
3427 $rendered_hash = $item['rendered-hash'] ?? '';
3428 $rendered_html = $item['rendered-html'] ?? '';
3430 if ($rendered_hash == ''
3431 || $rendered_html == ""
3432 || $rendered_hash != hash("md5", $item["body"])
3433 || Config::get("system", "ignore_cache")
3435 self::addRedirToImageTags($item);
3437 $item["rendered-html"] = BBCode::convert($item["body"]);
3438 $item["rendered-hash"] = hash("md5", $item["body"]);
3440 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3441 Hook::callAll('put_item_in_cache', $hook_data);
3442 $item['rendered-html'] = $hook_data['rendered-html'];
3443 $item['rendered-hash'] = $hook_data['rendered-hash'];
3446 // Force an update if the generated values differ from the existing ones
3447 if ($rendered_hash != $item["rendered-hash"]) {
3451 // Only compare the HTML when we forcefully ignore the cache
3452 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3456 if ($update && !empty($item["id"])) {
3459 'rendered-html' => $item["rendered-html"],
3460 'rendered-hash' => $item["rendered-hash"]
3462 ['id' => $item["id"]]
3467 $item["body"] = $body;
3471 * @brief Find any non-embedded images in private items and add redir links to them
3473 * @param array &$item The field array of an item row
3475 private static function addRedirToImageTags(array &$item)
3477 $app = self::getApp();
3480 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3482 foreach ($matches as $mtch) {
3483 if (strpos($mtch[1], '/redir') !== false) {
3487 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3488 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3489 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3496 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3497 * If attach is true, also add icons for item attachments.
3499 * @param array $item
3500 * @param boolean $attach
3501 * @param boolean $is_preview
3502 * @return string item body html
3503 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3504 * @throws \ImagickException
3505 * @hook prepare_body_init item array before any work
3506 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3507 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3508 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3510 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3512 $a = self::getApp();
3513 Hook::callAll('prepare_body_init', $item);
3515 // In order to provide theme developers more possibilities, event items
3516 // are treated differently.
3517 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3518 $ev = Event::getItemHTML($item);
3522 $tags = Term::populateTagsFromItem($item);
3524 $item['tags'] = $tags['tags'];
3525 $item['hashtags'] = $tags['hashtags'];
3526 $item['mentions'] = $tags['mentions'];
3528 // Compile eventual content filter reasons
3529 $filter_reasons = [];
3530 if (!$is_preview && public_contact() != $item['author-id']) {
3531 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3532 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3537 'filter_reasons' => $filter_reasons
3539 Hook::callAll('prepare_body_content_filter', $hook_data);
3540 $filter_reasons = $hook_data['filter_reasons'];
3544 // Update the cached values if there is no "zrl=..." on the links.
3545 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3547 // Or update it if the current viewer is the intented viewer.
3548 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3552 self::putInCache($item, $update);
3553 $s = $item["rendered-html"];
3558 'preview' => $is_preview,
3559 'filter_reasons' => $filter_reasons
3561 Hook::callAll('prepare_body', $hook_data);
3562 $s = $hook_data['html'];
3566 // Replace the blockquotes with quotes that are used in mails.
3567 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3568 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3575 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3576 foreach ($matches as $mtch) {
3579 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3581 if (strpos($mime, 'video') !== false) {
3584 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3587 $url_parts = explode('/', $the_url);
3588 $id = end($url_parts);
3589 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3592 'title' => L10n::t('View Video'),
3599 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3601 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3602 $filesubtype = str_replace('.', '-', $filesubtype);
3605 $filesubtype = 'unkn';
3608 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3609 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3611 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3612 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3616 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3620 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3621 $x = Map::byCoordinates(trim($item['coord']));
3623 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3627 // Replace friendica image url size with theme preference.
3628 if (!empty($a->theme_info['item_image_size'])) {
3629 $ps = $a->theme_info['item_image_size'];
3630 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3633 $s = HTML::applyContentFilter($s, $filter_reasons);
3635 $hook_data = ['item' => $item, 'html' => $s];
3636 Hook::callAll('prepare_body_final', $hook_data);
3638 return $hook_data['html'];
3642 * get private link for item
3644 * @param array $item
3645 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3646 * @throws \Exception
3648 public static function getPlink($item)
3650 $a = self::getApp();
3652 if ($a->user['nickname'] != "") {
3654 'href' => "display/" . $item['guid'],
3655 'orig' => "display/" . $item['guid'],
3656 'title' => L10n::t('View on separate page'),
3657 'orig_title' => L10n::t('view on separate page'),
3660 if (!empty($item['plink'])) {
3661 $ret["href"] = $a->removeBaseURL($item['plink']);
3662 $ret["title"] = L10n::t('link to source');
3665 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3667 'href' => $item['plink'],
3668 'orig' => $item['plink'],
3669 'title' => L10n::t('link to source'),
3679 * Is the given item array a post that is sent as starting post to a forum?
3681 * @param array $item
3682 * @param array $owner
3684 * @return boolean "true" when it is a forum post
3686 public static function isForumPost(array $item, array $owner = [])
3688 if (empty($owner)) {
3689 $owner = User::getOwnerDataById($item['uid']);
3690 if (empty($owner)) {
3695 if (($item['author-id'] == $item['owner-id']) ||
3696 ($owner['id'] == $item['contact-id']) ||
3697 ($item['uri'] != $item['parent-uri']) ||
3702 return Contact::isForum($item['contact-id']);
3706 * Search item id for given URI or plink
3708 * @param string $uri
3709 * @param integer $uid
3711 * @return integer item id
3713 public static function searchByLink($uri, $uid = 0)
3715 $ssl_uri = str_replace('http://', 'https://', $uri);
3716 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3718 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3719 if (DBA::isResult($item)) {
3723 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3724 if (!DBA::isResult($itemcontent)) {
3728 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3729 if (!DBA::isResult($itemuri)) {
3733 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3734 if (DBA::isResult($item)) {
3742 * Fetches item for given URI or plink
3744 * @param string $uri
3745 * @param integer $uid
3747 * @return integer item id
3749 public static function fetchByLink($uri, $uid = 0)
3751 $item_id = self::searchByLink($uri, $uid);
3752 if (!empty($item_id)) {
3756 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3757 $item_id = self::searchByLink($uri, $uid);
3759 $item_id = Diaspora::fetchByURL($uri);
3762 if (!empty($item_id)) {
3770 * Return share data from an item array (if the item is shared item)
3771 * We are providing the complete Item array, because at some time in the future
3772 * we hopefully will define these values not in the body anymore but in some item fields.
3773 * This function is meant to replace all similar functions in the system.
3775 * @param array $item
3777 * @return array with share information
3779 public static function getShareArray($item)
3781 if (!preg_match("/(.*?)\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism", $item['body'], $matches)) {
3785 $attribute_string = $matches[2];
3786 $attributes = ['comment' => trim($matches[1]), 'shared' => trim($matches[3])];
3787 foreach (['author', 'profile', 'avatar', 'guid', 'posted', 'link'] as $field) {
3788 if (preg_match("/$field=(['\"])(.+?)\\1/ism", $attribute_string, $matches)) {
3789 $attributes[$field] = trim(html_entity_decode($matches[2] ?? '', ENT_QUOTES, 'UTF-8'));
3796 * Fetch item information for shared items from the original items and adds it.
3798 * @param array $item
3800 * @return array item array with data from the original item
3802 public static function addShareDataFromOriginal($item)
3804 $shared = self::getShareArray($item);
3805 if (empty($shared)) {
3809 // Real reshares always have got a GUID.
3810 if (empty($shared['guid'])) {
3814 $uid = $item['uid'] ?? 0;
3816 // first try to fetch the item via the GUID. This will work for all reshares that had been created on this system
3817 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['guid' => $shared['guid'], 'uid' => [0, $uid]]);
3818 if (!DBA::isResult($shared_item)) {
3819 // Otherwhise try to find (and possibly fetch) the item via the link. This should work for Diaspora and ActivityPub posts
3820 $id = self::fetchByLink($shared['link'], $uid);
3822 Logger::info('Original item not found', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3826 $shared_item = self::selectFirst(['title', 'body', 'attach'], ['id' => $id]);
3827 if (!DBA::isResult($shared_item)) {
3830 Logger::info('Got shared data from url', ['url' => $shared['link'], 'callstack' => System::callstack()]);
3832 Logger::info('Got shared data from guid', ['guid' => $shared['guid'], 'callstack' => System::callstack()]);
3835 if (!empty($shared_item['title'])) {
3836 $body = '[h3]' . $shared_item['title'] . "[/h3]\n" . $shared_item['body'];
3837 unset($shared_item['title']);
3839 $body = $shared_item['body'];
3842 $item['body'] = preg_replace("/\[share ([^\[\]]*)\].*\[\/share\]/ism", '[share $1]' . $body . '[/share]', $item['body']);
3843 unset($shared_item['body']);
3845 return array_merge($item, $shared_item);