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\System;
21 use Friendica\Core\Worker;
22 use Friendica\Database\DBA;
23 use Friendica\Protocol\ActivityPub;
24 use Friendica\Protocol\Diaspora;
25 use Friendica\Protocol\OStatus;
26 use Friendica\Util\DateTimeFormat;
27 use Friendica\Util\Map;
28 use Friendica\Util\Network;
29 use Friendica\Util\Security;
30 use Friendica\Util\Strings;
31 use Friendica\Util\XML;
32 use Friendica\Worker\Delivery;
33 use Text_LanguageDetect;
35 class Item extends BaseObject
37 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
44 const PT_DOCUMENT = 19;
46 const PT_PERSONAL_NOTE = 128;
48 // Field list that is used to display the items
49 const DISPLAY_FIELDLIST = [
50 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
51 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
52 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
53 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
54 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
55 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
56 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
57 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
58 'writable', 'self', 'cid', 'alias',
59 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
60 'event-summary', 'event-desc', 'event-location', 'event-type',
61 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
62 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
65 // Field list that is used to deliver items via the protocols
66 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
67 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
68 'private', 'title', 'body', 'location', 'coord', 'app',
69 'attach', 'tag', 'deleted', 'extid', 'post-type',
70 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
71 'author-id', 'author-link', 'owner-link', 'contact-uid',
72 'signed_text', 'signature', 'signer', 'network'];
74 // Field list for "item-content" table that is mixed with the item table
75 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
76 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
77 'object-type', 'object', 'target-type', 'target', 'plink'];
79 // Field list for "item-content" table that is not present in the "item" table
80 const CONTENT_FIELDLIST = ['language'];
82 // All fields in the item table
83 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
84 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
85 'created', 'edited', 'commented', 'received', 'changed', 'verb',
86 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
87 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
88 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
89 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
90 'title', 'content-warning', 'body', 'location', 'coord', 'app',
91 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
92 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
93 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
95 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
96 // The item-activity table only stores the index and needs this array to know the matching activity.
97 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE, ACTIVITY_FOLLOW, ACTIVITY2_ANNOUNCE];
99 private static $legacy_mode = null;
101 public static function isLegacyMode()
103 if (is_null(self::$legacy_mode)) {
104 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
107 return self::$legacy_mode;
111 * @brief returns an activity index from an activity string
113 * @param string $activity activity string
114 * @return integer Activity index
116 public static function activityToIndex($activity)
118 $index = array_search($activity, self::ACTIVITIES);
120 if (is_bool($index)) {
128 * @brief returns an activity string from an activity index
130 * @param integer $index activity index
131 * @return string Activity string
133 private static function indexToActivity($index)
135 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
139 return self::ACTIVITIES[$index];
143 * @brief Fetch a single item row
145 * @param mixed $stmt statement object
146 * @return array current row
148 public static function fetch($stmt)
150 $row = DBA::fetch($stmt);
156 // ---------------------- Transform item structure data ----------------------
158 // We prefer the data from the user's contact over the public one
159 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
160 ($row['author-link'] == $row['contact-link'])) {
161 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
162 $row['author-avatar'] = $row['contact-avatar'];
164 if (isset($row['author-name']) && !empty($row['contact-name'])) {
165 $row['author-name'] = $row['contact-name'];
169 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
170 ($row['owner-link'] == $row['contact-link'])) {
171 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
172 $row['owner-avatar'] = $row['contact-avatar'];
174 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
175 $row['owner-name'] = $row['contact-name'];
179 // We can always comment on posts from these networks
180 if (array_key_exists('writable', $row) &&
181 in_array($row['internal-network'], Protocol::FEDERATED)) {
182 $row['writable'] = true;
185 // ---------------------- Transform item content data ----------------------
187 // Fetch data from the item-content table whenever there is content there
188 if (self::isLegacyMode()) {
189 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
190 foreach ($legacy_fields as $field) {
191 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
192 $row[$field] = $row['internal-item-' . $field];
194 unset($row['internal-item-' . $field]);
198 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
199 $row['verb'] = self::indexToActivity($row['internal-activity']);
200 if (array_key_exists('title', $row)) {
203 if (array_key_exists('body', $row)) {
204 $row['body'] = $row['verb'];
206 if (array_key_exists('object', $row)) {
209 if (array_key_exists('object-type', $row)) {
210 $row['object-type'] = ACTIVITY_OBJ_NOTE;
212 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
213 // Posts don't have an object or target - but having tags or files.
214 // We safe some performance by building tag and file strings only here.
215 // We remove object and target since they aren't used for this type.
216 if (array_key_exists('object', $row)) {
219 if (array_key_exists('target', $row)) {
224 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
225 // Build the tag string out of the term entries
226 if (array_key_exists('tag', $row) && empty($row['tag'])) {
227 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
230 // Build the file string out of the term entries
231 if (array_key_exists('file', $row) && empty($row['file'])) {
232 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
236 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
237 $row['signed_text'] = $row['interaction'];
240 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
241 $row['ignored'] = $row['internal-user-ignored'];
244 // Remove internal fields
245 unset($row['internal-activity']);
246 unset($row['internal-network']);
247 unset($row['internal-iid']);
248 unset($row['internal-iaid']);
249 unset($row['internal-icid']);
250 unset($row['internal-user-ignored']);
251 unset($row['interaction']);
257 * @brief Fills an array with data from an item query
259 * @param object $stmt statement object
260 * @param bool $do_close
261 * @return array Data array
263 public static function inArray($stmt, $do_close = true) {
264 if (is_bool($stmt)) {
269 while ($row = self::fetch($stmt)) {
279 * @brief Check if item data exists
281 * @param array $condition array of fields for condition
283 * @return boolean Are there rows for that condition?
286 public static function exists($condition) {
287 $stmt = self::select(['id'], $condition, ['limit' => 1]);
289 if (is_bool($stmt)) {
292 $retval = (DBA::numRows($stmt) > 0);
301 * Retrieve a single record from the item table for a given user and returns it in an associative array
303 * @brief Retrieve a single record from a table
304 * @param integer $uid User ID
305 * @param array $selected
306 * @param array $condition
307 * @param array $params
312 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
314 $params['uid'] = $uid;
316 if (empty($selected)) {
317 $selected = Item::DISPLAY_FIELDLIST;
320 return self::selectFirst($selected, $condition, $params);
324 * @brief Select rows from the item table for a given user
326 * @param integer $uid User ID
327 * @param array $selected Array of selected fields, empty for all
328 * @param array $condition Array of fields for condition
329 * @param array $params Array of several parameters
331 * @return boolean|object
334 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
336 $params['uid'] = $uid;
338 if (empty($selected)) {
339 $selected = Item::DISPLAY_FIELDLIST;
342 return self::select($selected, $condition, $params);
346 * Retrieve a single record from the item table and returns it in an associative array
348 * @brief Retrieve a single record from a table
349 * @param array $fields
350 * @param array $condition
351 * @param array $params
356 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
358 $params['limit'] = 1;
360 $result = self::select($fields, $condition, $params);
362 if (is_bool($result)) {
365 $row = self::fetch($result);
372 * @brief Select rows from the item table and returns them as an array
374 * @param array $selected Array of selected fields, empty for all
375 * @param array $condition Array of fields for condition
376 * @param array $params Array of several parameters
381 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
383 $result = self::select($fields, $condition, $params);
385 if (is_bool($result)) {
390 while ($row = self::fetch($result)) {
399 * @brief Select rows from the item table
401 * @param array $selected Array of selected fields, empty for all
402 * @param array $condition Array of fields for condition
403 * @param array $params Array of several parameters
405 * @return boolean|object
408 public static function select(array $selected = [], array $condition = [], $params = [])
413 if (isset($params['uid'])) {
414 $uid = $params['uid'];
418 $fields = self::fieldlist($usermode);
420 $select_fields = self::constructSelectFields($fields, $selected);
422 $condition_string = DBA::buildCondition($condition);
424 $condition_string = self::addTablesToFields($condition_string, $fields);
427 $condition_string = $condition_string . ' AND ' . self::condition(false);
430 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
432 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
434 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
436 return DBA::p($sql, $condition);
440 * @brief Select rows from the starting post in the item table
442 * @param integer $uid User ID
443 * @param array $selected
444 * @param array $condition Array of fields for condition
445 * @param array $params Array of several parameters
447 * @return boolean|object
450 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
452 $params['uid'] = $uid;
454 if (empty($selected)) {
455 $selected = Item::DISPLAY_FIELDLIST;
458 return self::selectThread($selected, $condition, $params);
462 * Retrieve a single record from the starting post in the item table and returns it in an associative array
464 * @brief Retrieve a single record from a table
465 * @param integer $uid User ID
466 * @param array $selected
467 * @param array $condition
468 * @param array $params
473 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
475 $params['uid'] = $uid;
477 if (empty($selected)) {
478 $selected = Item::DISPLAY_FIELDLIST;
481 return self::selectFirstThread($selected, $condition, $params);
485 * Retrieve a single record from the starting post in the item table and returns it in an associative array
487 * @brief Retrieve a single record from a table
488 * @param array $fields
489 * @param array $condition
490 * @param array $params
495 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
497 $params['limit'] = 1;
498 $result = self::selectThread($fields, $condition, $params);
500 if (is_bool($result)) {
503 $row = self::fetch($result);
510 * @brief Select rows from the starting post in the item table
512 * @param array $selected Array of selected fields, empty for all
513 * @param array $condition Array of fields for condition
514 * @param array $params Array of several parameters
516 * @return boolean|object
519 public static function selectThread(array $selected = [], array $condition = [], $params = [])
524 if (isset($params['uid'])) {
525 $uid = $params['uid'];
529 $fields = self::fieldlist($usermode);
531 $fields['thread'] = ['mention', 'ignored', 'iid'];
533 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
534 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
535 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
536 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
538 $select_fields = self::constructSelectFields($fields, $selected);
540 $condition_string = DBA::buildCondition($condition);
542 $condition_string = self::addTablesToFields($condition_string, $threadfields);
543 $condition_string = self::addTablesToFields($condition_string, $fields);
546 $condition_string = $condition_string . ' AND ' . self::condition(true);
549 $param_string = DBA::buildParameter($params);
550 $param_string = self::addTablesToFields($param_string, $threadfields);
551 $param_string = self::addTablesToFields($param_string, $fields);
553 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
555 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
557 return DBA::p($sql, $condition);
561 * @brief Returns a list of fields that are associated with the item table
564 * @return array field list
566 private static function fieldlist($usermode)
570 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
571 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
572 'created', 'edited', 'commented', 'received', 'changed', 'psid',
573 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
574 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
575 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
576 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
577 'network' => 'internal-network', 'icid' => 'internal-icid',
578 'iaid' => 'internal-iaid'];
581 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
584 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
586 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
588 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
590 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
592 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
593 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
595 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
596 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
598 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
599 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
600 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
602 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
604 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
606 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
607 'start' => 'event-start','finish' => 'event-finish',
608 'summary' => 'event-summary','desc' => 'event-desc',
609 'location' => 'event-location', 'type' => 'event-type',
610 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
611 'ignore' => 'event-ignore', 'id' => 'event-id'];
613 $fields['sign'] = ['signed_text', 'signature', 'signer'];
615 $fields['diaspora-interaction'] = ['interaction'];
621 * @brief Returns SQL condition for the "select" functions
623 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
625 * @return string SQL condition
627 private static function condition($thread_mode)
630 $master_table = "`thread`";
632 $master_table = "`item`";
634 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
635 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
636 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
637 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
638 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
639 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
640 GRAVITY_PARENT, GRAVITY_PARENT);
644 * @brief Returns all needed "JOIN" commands for the "select" functions
646 * @param integer $uid User ID
647 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
648 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
651 * @return string The SQL joins for the "select" functions
653 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
656 $master_table = "`thread`";
657 $master_table_key = "`thread`.`iid`";
658 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
660 $master_table = "`item`";
661 $master_table_key = "`item`.`id`";
666 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
667 AND NOT `contact`.`blocked`
668 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
669 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
670 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
671 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
672 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
673 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
674 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
675 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
677 if (strpos($sql_commands, "`contact`.") !== false) {
678 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
680 if (strpos($sql_commands, "`author`.") !== false) {
681 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
683 if (strpos($sql_commands, "`owner`.") !== false) {
684 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
688 if (strpos($sql_commands, "`group_member`.") !== false) {
689 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
692 if (strpos($sql_commands, "`user`.") !== false) {
693 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
696 if (strpos($sql_commands, "`event`.") !== false) {
697 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
700 if (strpos($sql_commands, "`sign`.") !== false) {
701 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
704 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
705 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
708 if (strpos($sql_commands, "`item-activity`.") !== false) {
709 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
712 if (strpos($sql_commands, "`item-content`.") !== false) {
713 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
716 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
717 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
720 if (strpos($sql_commands, "`permissionset`.") !== false) {
721 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
724 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
725 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
728 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
729 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
736 * @brief Add the field list for the "select" functions
738 * @param array $fields The field definition array
739 * @param array $selected The array with the selected fields from the "select" functions
741 * @return string The field list
743 private static function constructSelectFields($fields, $selected)
745 if (!empty($selected)) {
746 $selected[] = 'internal-iid';
747 $selected[] = 'internal-iaid';
748 $selected[] = 'internal-icid';
749 $selected[] = 'internal-network';
752 if (in_array('verb', $selected)) {
753 $selected[] = 'internal-activity';
756 if (in_array('ignored', $selected)) {
757 $selected[] = 'internal-user-ignored';
760 if (in_array('signed_text', $selected)) {
761 $selected[] = 'interaction';
764 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
767 foreach ($fields as $table => $table_fields) {
768 foreach ($table_fields as $field => $select) {
769 if (empty($selected) || in_array($select, $selected)) {
770 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
771 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
773 if (is_int($field)) {
774 $selection[] = "`" . $table . "`.`" . $select . "`";
776 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
781 return implode(", ", $selection);
785 * @brief add table definition to fields in an SQL query
787 * @param string $query SQL query
788 * @param array $fields The field definition array
790 * @return string the changed SQL query
792 private static function addTablesToFields($query, $fields)
794 foreach ($fields as $table => $table_fields) {
795 foreach ($table_fields as $alias => $field) {
796 if (is_int($alias)) {
797 $replace_field = $field;
799 $replace_field = $alias;
802 $search = "/([^\.])`" . $field . "`/i";
803 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
804 $query = preg_replace($search, $replace, $query);
811 * @brief Update existing item entries
813 * @param array $fields The fields that are to be changed
814 * @param array $condition The condition for finding the item entries
816 * In the future we may have to change permissions as well.
817 * Then we had to add the user id as third parameter.
819 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
821 * @return integer|boolean number of affected rows - or "false" if there was an error
822 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
824 public static function update(array $fields, array $condition)
826 if (empty($condition) || empty($fields)) {
830 // To ensure the data integrity we do it in an transaction
833 // We cannot simply expand the condition to check for origin entries
834 // The condition needn't to be a simple array but could be a complex condition.
835 // And we have to execute this query before the update to ensure to fetch the same data.
836 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
838 $content_fields = [];
839 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
840 if (isset($fields[$field])) {
841 $content_fields[$field] = $fields[$field];
842 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
843 unset($fields[$field]);
845 $fields[$field] = null;
850 $delivery_data = ItemDeliveryData::extractFields($fields);
852 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
853 foreach ($clear_fields as $field) {
854 if (array_key_exists($field, $fields)) {
855 $fields[$field] = null;
859 if (array_key_exists('tag', $fields)) {
860 $tags = $fields['tag'];
861 $fields['tag'] = null;
866 if (array_key_exists('file', $fields)) {
867 $files = $fields['file'];
868 $fields['file'] = null;
873 if (!empty($fields)) {
874 $success = DBA::update('item', $fields, $condition);
883 // When there is no content for the "old" item table, this will count the fetched items
884 $rows = DBA::affectedRows();
888 while ($item = DBA::fetch($items)) {
889 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
890 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
892 if (empty($item['iaid'])) {
893 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
894 if (DBA::isResult($item_activity)) {
895 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
896 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
897 if (self::isLegacyMode()) {
898 $item_fields[$field] = null;
900 unset($item_fields[$field]);
903 DBA::update('item', $item_fields, ['id' => $item['id']]);
905 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
906 DBA::delete('item-content', ['id' => $item['icid']]);
909 } elseif (!empty($item['icid'])) {
910 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
912 if (!DBA::exists('item', ['icid' => $item['icid']])) {
913 DBA::delete('item-content', ['id' => $item['icid']]);
917 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
919 if (empty($item['icid'])) {
920 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
921 if (DBA::isResult($item_content)) {
922 $item_fields = ['icid' => $item_content['id']];
923 // Clear all fields in the item table that have a content in the item-content table
924 foreach ($item_content as $field => $content) {
925 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
926 if (self::isLegacyMode()) {
927 $item_fields[$field] = null;
929 unset($item_fields[$field]);
933 DBA::update('item', $item_fields, ['id' => $item['id']]);
938 if (!is_null($tags)) {
939 Term::insertFromTagFieldByItemId($item['id'], $tags);
940 if (!empty($item['tag'])) {
941 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
945 if (!is_null($files)) {
946 Term::insertFromFileFieldByItemId($item['id'], $files);
947 if (!empty($item['file'])) {
948 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
952 ItemDeliveryData::update($item['id'], $delivery_data);
954 self::updateThread($item['id']);
956 // We only need to notfiy others when it is an original entry from us.
957 // Only call the notifier when the item has some content relevant change.
958 if ($item['origin'] && in_array('edited', array_keys($fields))) {
959 $notify_items[] = $item['id'];
966 foreach ($notify_items as $notify_item) {
967 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
974 * @brief Delete an item and notify others about it - if it was ours
976 * @param array $condition The condition for finding the item entries
977 * @param integer $priority Priority for the notification
978 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
980 public static function delete($condition, $priority = PRIORITY_HIGH)
982 $items = self::select(['id'], $condition);
983 while ($item = self::fetch($items)) {
984 self::deleteById($item['id'], $priority);
990 * @brief Delete an item for an user and notify others about it - if it was ours
992 * @param array $condition The condition for finding the item entries
993 * @param integer $uid User who wants to delete this item
994 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
996 public static function deleteForUser($condition, $uid)
1002 $items = self::select(['id', 'uid'], $condition);
1003 while ($item = self::fetch($items)) {
1004 // "Deleting" global items just means hiding them
1005 if ($item['uid'] == 0) {
1006 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1007 } elseif ($item['uid'] == $uid) {
1008 self::deleteById($item['id'], PRIORITY_HIGH);
1010 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1017 * @brief Delete an item and notify others about it - if it was ours
1019 * @param integer $item_id Item ID that should be delete
1020 * @param integer $priority Priority for the notification
1022 * @return boolean success
1023 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1025 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1027 // locate item to be deleted
1028 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1029 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1030 'verb', 'object-type', 'object', 'target', 'contact-id',
1031 'icid', 'iaid', 'psid'];
1032 $item = self::selectFirst($fields, ['id' => $item_id]);
1033 if (!DBA::isResult($item)) {
1034 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1038 if ($item['deleted']) {
1039 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1043 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1044 if (!DBA::isResult($parent)) {
1045 $parent = ['origin' => false];
1048 // clean up categories and tags so they don't end up as orphans
1051 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1054 foreach ($matches as $mtch) {
1055 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1061 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1064 foreach ($matches as $mtch) {
1065 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1070 * If item is a link to a photo resource, nuke all the associated photos
1071 * (visitors will not have photo resources)
1072 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1073 * generate a resource-id and therefore aren't intimately linked to the item.
1075 /// @TODO: this should first check if photo is used elsewhere
1076 if (strlen($item['resource-id'])) {
1077 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1080 // If item is a link to an event, delete the event.
1081 if (intval($item['event-id'])) {
1082 Event::delete($item['event-id']);
1085 // If item has attachments, drop them
1086 /// @TODO: this should first check if attachment is used elsewhere
1087 foreach (explode(",", $item['attach']) as $attach) {
1088 preg_match("|attach/(\d+)|", $attach, $matches);
1089 if (is_array($matches) && count($matches) > 1) {
1090 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1094 // Delete tags that had been attached to other items
1095 self::deleteTagsFromItem($item);
1097 // Set the item to "deleted"
1098 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1099 DBA::update('item', $item_fields, ['id' => $item['id']]);
1101 Term::insertFromTagFieldByItemId($item['id'], '');
1102 Term::insertFromFileFieldByItemId($item['id'], '');
1103 self::deleteThread($item['id'], $item['parent-uri']);
1105 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1106 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1109 ItemDeliveryData::delete($item['id']);
1111 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1113 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1114 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1116 // When the permission set will be used in photo and events as well,
1117 // this query here needs to be extended.
1118 // @todo Currently deactivated. We need the permission set in the deletion process.
1119 // This is a reminder to add the removal somewhere else.
1120 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1121 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1124 // If it's the parent of a comment thread, kill all the kids
1125 if ($item['id'] == $item['parent']) {
1126 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1129 // Is it our comment and/or our thread?
1130 if ($item['origin'] || $parent['origin']) {
1132 // When we delete the original post we will delete all existing copies on the server as well
1133 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1135 // send the notification upstream/downstream
1136 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1137 } elseif ($item['uid'] != 0) {
1139 // When we delete just our local user copy of an item, we have to set a marker to hide it
1140 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1141 if (DBA::isResult($global_item)) {
1142 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1146 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1151 private static function deleteTagsFromItem($item)
1153 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1157 $xo = XML::parseString($item["object"], false);
1158 $xt = XML::parseString($item["target"], false);
1160 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1164 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1165 if (!DBA::isResult($i)) {
1169 // For tags, the owner cannot remove the tag on the author's copy of the post.
1170 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1171 $author_copy = $item["origin"];
1173 if (($owner_remove && $author_copy) || !$owner_remove) {
1177 $tags = explode(',', $i["tag"]);
1180 foreach ($tags as $tag) {
1181 if (trim($tag) !== trim($xo->body)) {
1182 $newtags[] = trim($tag);
1186 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1189 private static function guid($item, $notify)
1191 if (!empty($item['guid'])) {
1192 return Strings::escapeTags(trim($item['guid']));
1196 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1197 // We add the hash of our own host because our host is the original creator of the post.
1198 $prefix_host = \get_app()->getHostName();
1202 // We are only storing the post so we create a GUID from the original hostname.
1203 if (!empty($item['author-link'])) {
1204 $parsed = parse_url($item['author-link']);
1205 if (!empty($parsed['host'])) {
1206 $prefix_host = $parsed['host'];
1210 if (empty($prefix_host) && !empty($item['plink'])) {
1211 $parsed = parse_url($item['plink']);
1212 if (!empty($parsed['host'])) {
1213 $prefix_host = $parsed['host'];
1217 if (empty($prefix_host) && !empty($item['uri'])) {
1218 $parsed = parse_url($item['uri']);
1219 if (!empty($parsed['host'])) {
1220 $prefix_host = $parsed['host'];
1224 // Is it in the format data@host.tld? - Used for mail contacts
1225 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1226 $mailparts = explode('@', $item['author-link']);
1227 $prefix_host = array_pop($mailparts);
1231 if (!empty($item['plink'])) {
1232 $guid = self::guidFromUri($item['plink'], $prefix_host);
1233 } elseif (!empty($item['uri'])) {
1234 $guid = self::guidFromUri($item['uri'], $prefix_host);
1236 $guid = System::createUUID(hash('crc32', $prefix_host));
1242 private static function contactId($item)
1244 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1245 return $item['contact-id'];
1246 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1247 return $item['contact-id'];
1248 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1249 return $item['author-id'];
1250 } elseif (!empty($item['contact-id'])) {
1251 return $item['contact-id'];
1253 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1254 if (!empty($contact_id)) {
1258 return $item['author-id'];
1261 // This function will finally cover most of the preparation functionality in mod/item.php
1262 public static function prepare(&$item)
1265 * @TODO: Unused code triggering inspection errors
1267 $data = BBCode::getAttachmentData($item['body']);
1268 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1269 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1270 $posttype = Item::PT_PAGE;
1271 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1277 * Write an item array into a spool file to be inserted later.
1278 * This command is called whenever there are issues storing an item.
1280 * @param array $item The item fields that are to be inserted
1281 * @throws \Exception
1283 private static function spool($orig_item)
1285 // Now we store the data in the spool directory
1286 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1287 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1289 $spoolpath = get_spoolpath();
1290 if ($spoolpath != "") {
1291 $spool = $spoolpath . '/' . $file;
1293 file_put_contents($spool, json_encode($orig_item));
1294 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1298 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1302 $priority = PRIORITY_HIGH;
1304 // If it is a posting where users should get notifications, then define it as wall posting
1307 $item['origin'] = 1;
1308 $item['network'] = Protocol::DFRN;
1309 $item['protocol'] = Conversation::PARCEL_DFRN;
1311 if (is_int($notify)) {
1312 $priority = $notify;
1315 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1318 $item['guid'] = self::guid($item, $notify);
1319 $item['uri'] = Strings::escapeTags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1322 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1324 // Store conversation data
1325 $item = Conversation::insert($item);
1328 * If a Diaspora signature structure was passed in, pull it out of the
1329 * item array and set it aside for later storage.
1333 if (isset($item['dsprsig'])) {
1334 $encoded_signature = $item['dsprsig'];
1335 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1336 unset($item['dsprsig']);
1339 $diaspora_signed_text = '';
1340 if (isset($item['diaspora_signed_text'])) {
1341 $diaspora_signed_text = $item['diaspora_signed_text'];
1342 unset($item['diaspora_signed_text']);
1345 // Converting the plink
1346 /// @TODO Check if this is really still needed
1347 if ($item['network'] == Protocol::OSTATUS) {
1348 if (isset($item['plink'])) {
1349 $item['plink'] = OStatus::convertHref($item['plink']);
1350 } elseif (isset($item['uri'])) {
1351 $item['plink'] = OStatus::convertHref($item['uri']);
1355 if (!empty($item['thr-parent'])) {
1356 $item['parent-uri'] = $item['thr-parent'];
1359 if (isset($item['gravity'])) {
1360 $item['gravity'] = intval($item['gravity']);
1361 } elseif ($item['parent-uri'] === $item['uri']) {
1362 $item['gravity'] = GRAVITY_PARENT;
1363 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1364 $item['gravity'] = GRAVITY_COMMENT;
1365 } elseif (activity_match($item['verb'], ACTIVITY_FOLLOW)) {
1366 $item['gravity'] = GRAVITY_ACTIVITY;
1368 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1369 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1372 $uid = intval($item['uid']);
1374 // check for create date and expire time
1375 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1377 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1378 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1379 $expire_interval = $user['expire'];
1382 if (($expire_interval > 0) && !empty($item['created'])) {
1383 $expire_date = time() - ($expire_interval * 86400);
1384 $created_date = strtotime($item['created']);
1385 if ($created_date < $expire_date) {
1386 Logger::notice('Item created before expiration interval.', [
1387 'created' => date('c', $created_date),
1388 'expired' => date('c', $expire_date),
1396 * Do we already have this item?
1397 * We have to check several networks since Friendica posts could be repeated
1398 * via OStatus (maybe Diasporsa as well)
1400 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1401 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1402 trim($item['uri']), $item['uid'],
1403 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1404 $existing = self::selectFirst(['id', 'network'], $condition);
1405 if (DBA::isResult($existing)) {
1406 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1408 Logger::notice('Item already existed for user', [
1409 'uri' => $item['uri'],
1411 'network' => $item['network'],
1412 'existing_id' => $existing["id"],
1413 'existing_network' => $existing["network"]
1417 return $existing["id"];
1421 $item['wall'] = intval(defaults($item, 'wall', 0));
1422 $item['extid'] = trim(defaults($item, 'extid', ''));
1423 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1424 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1425 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1426 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1427 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1428 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1429 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1430 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1431 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1432 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1433 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1434 $item['title'] = trim(defaults($item, 'title', ''));
1435 $item['location'] = trim(defaults($item, 'location', ''));
1436 $item['coord'] = trim(defaults($item, 'coord', ''));
1437 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1438 $item['deleted'] = 0;
1439 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1440 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1441 $item['verb'] = trim(defaults($item, 'verb', ''));
1442 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1443 $item['object'] = trim(defaults($item, 'object', ''));
1444 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1445 $item['target'] = trim(defaults($item, 'target', ''));
1446 $item['plink'] = trim(defaults($item, 'plink', ''));
1447 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1448 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1449 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1450 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1451 $item['private'] = intval(defaults($item, 'private', 0));
1452 $item['body'] = trim(defaults($item, 'body', ''));
1453 $item['tag'] = trim(defaults($item, 'tag', ''));
1454 $item['attach'] = trim(defaults($item, 'attach', ''));
1455 $item['app'] = trim(defaults($item, 'app', ''));
1456 $item['origin'] = intval(defaults($item, 'origin', 0));
1457 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1458 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1459 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1460 $item['inform'] = trim(defaults($item, 'inform', ''));
1461 $item['file'] = trim(defaults($item, 'file', ''));
1463 // When there is no content then we don't post it
1464 if ($item['body'].$item['title'] == '') {
1465 Logger::notice('No body, no title.');
1469 self::addLanguageToItemArray($item);
1471 // Items cannot be stored before they happen ...
1472 if ($item['created'] > DateTimeFormat::utcNow()) {
1473 $item['created'] = DateTimeFormat::utcNow();
1476 // We haven't invented time travel by now.
1477 if ($item['edited'] > DateTimeFormat::utcNow()) {
1478 $item['edited'] = DateTimeFormat::utcNow();
1481 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1483 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1484 'photo' => $item['author-avatar'], 'network' => $item['network']];
1486 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item['author-link'], 0, false, $default));
1488 if (Contact::isBlocked($item['author-id'])) {
1489 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1493 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1494 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1498 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1499 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1503 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1504 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1506 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item['owner-link'], 0, false, $default));
1508 if (Contact::isBlocked($item['owner-id'])) {
1509 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1513 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1514 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1518 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1519 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1523 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1524 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1525 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1529 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1530 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1534 // We don't store the causer, we only have it here for the checks above
1535 unset($item['causer-id']);
1536 unset($item['causer-link']);
1538 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1539 $item["contact-id"] = self::contactId($item);
1541 if ($item['network'] == Protocol::PHANTOM) {
1542 $item['network'] = Protocol::DFRN;
1543 Logger::notice('Missing network, setting to {network}.', [
1544 'uri' => $item["uri"],
1545 'network' => $item['network'],
1546 'callstack' => System::callstack()
1550 // Checking if there is already an item with the same guid
1551 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1552 if (self::exists($condition)) {
1553 Logger::notice('Found already existing item', [
1554 'guid' => $item['guid'],
1555 'uid' => $item['uid'],
1556 'network' => $item['network']
1561 if ($item['verb'] == ACTIVITY_FOLLOW) {
1562 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1563 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1564 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1568 $condition = ['verb' => ACTIVITY_FOLLOW, 'uid' => $item['uid'],
1569 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1570 if (self::exists($condition)) {
1571 // It happens that we receive multiple follow requests by the same author - we only store one.
1572 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1577 // Check for hashtags in the body and repair or add hashtag links
1578 self::setHashtags($item);
1580 $item['thr-parent'] = $item['parent-uri'];
1582 $notify_type = Delivery::POST;
1588 if ($item['parent-uri'] === $item['uri']) {
1590 $parent_deleted = 0;
1591 $allow_cid = $item['allow_cid'];
1592 $allow_gid = $item['allow_gid'];
1593 $deny_cid = $item['deny_cid'];
1594 $deny_gid = $item['deny_gid'];
1596 // find the parent and snarf the item id and ACLs
1597 // and anything else we need to inherit
1599 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1600 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1601 'wall', 'private', 'forum_mode', 'origin'];
1602 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1603 $params = ['order' => ['id' => false]];
1604 $parent = self::selectFirst($fields, $condition, $params);
1606 if (DBA::isResult($parent)) {
1607 // is the new message multi-level threaded?
1608 // even though we don't support it now, preserve the info
1609 // and re-attach to the conversation parent.
1611 if ($parent['uri'] != $parent['parent-uri']) {
1612 $item['parent-uri'] = $parent['parent-uri'];
1614 $condition = ['uri' => $item['parent-uri'],
1615 'parent-uri' => $item['parent-uri'],
1616 'uid' => $item['uid']];
1617 $params = ['order' => ['id' => false]];
1618 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1620 if (DBA::isResult($toplevel_parent)) {
1621 $parent = $toplevel_parent;
1625 $parent_id = $parent['id'];
1626 $parent_deleted = $parent['deleted'];
1627 $allow_cid = $parent['allow_cid'];
1628 $allow_gid = $parent['allow_gid'];
1629 $deny_cid = $parent['deny_cid'];
1630 $deny_gid = $parent['deny_gid'];
1631 $item['wall'] = $parent['wall'];
1634 * If the parent is private, force privacy for the entire conversation
1635 * This differs from the above settings as it subtly allows comments from
1636 * email correspondents to be private even if the overall thread is not.
1638 if ($parent['private']) {
1639 $item['private'] = $parent['private'];
1643 * Edge case. We host a public forum that was originally posted to privately.
1644 * The original author commented, but as this is a comment, the permissions
1645 * weren't fixed up so it will still show the comment as private unless we fix it here.
1647 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1648 $item['private'] = 0;
1651 // If its a post that originated here then tag the thread as "mention"
1652 if ($item['origin'] && $item['uid']) {
1653 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1654 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1658 * Allow one to see reply tweets from status.net even when
1659 * we don't have or can't see the original post.
1661 if ($force_parent) {
1662 Logger::log('$force_parent=true, reply converted to top-level post.');
1664 $item['parent-uri'] = $item['uri'];
1665 $item['gravity'] = GRAVITY_PARENT;
1667 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1671 $parent_deleted = 0;
1675 if (stristr($item['verb'], ACTIVITY_POKE)) {
1676 $notify_type = Delivery::POKE;
1679 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1680 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1682 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1683 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1684 if (self::exists($condition)) {
1685 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1689 // On Friendica and Diaspora the GUID is unique
1690 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1691 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1692 if (self::exists($condition)) {
1693 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1696 } elseif ($item['network'] == Protocol::OSTATUS) {
1697 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1698 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1699 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1700 if (self::exists($condition)) {
1701 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1706 // Is this item available in the global items (with uid=0)?
1707 if ($item["uid"] == 0) {
1708 $item["global"] = true;
1710 // Set the global flag on all items if this was a global item entry
1711 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1713 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1717 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1720 $private = $item['private'];
1723 $item["allow_cid"] = $allow_cid;
1724 $item["allow_gid"] = $allow_gid;
1725 $item["deny_cid"] = $deny_cid;
1726 $item["deny_gid"] = $deny_gid;
1727 $item["private"] = $private;
1728 $item["deleted"] = $parent_deleted;
1730 // Fill the cache field
1731 self::putInCache($item);
1734 $item['edit'] = false;
1735 $item['parent'] = $parent_id;
1736 Hook::callAll('post_local', $item);
1737 unset($item['edit']);
1738 unset($item['parent']);
1740 Hook::callAll('post_remote', $item);
1743 // This array field is used to trigger some automatic reactions
1744 // It is mainly used in the "post_local" hook.
1745 unset($item['api_source']);
1747 if (!empty($item['cancel'])) {
1748 Logger::log('post cancelled by addon.');
1753 * Check for already added items.
1754 * There is a timing issue here that sometimes creates double postings.
1755 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1757 if ($item["uid"] == 0) {
1758 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1759 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1764 Logger::log('' . print_r($item,true), Logger::DATA);
1766 if (array_key_exists('tag', $item)) {
1767 $tags = $item['tag'];
1768 unset($item['tag']);
1773 if (array_key_exists('file', $item)) {
1774 $files = $item['file'];
1775 unset($item['file']);
1780 // Creates or assigns the permission set
1781 $item['psid'] = PermissionSet::fetchIDForPost($item);
1783 // We are doing this outside of the transaction to avoid timing problems
1784 if (!self::insertActivity($item)) {
1785 self::insertContent($item);
1788 $delivery_data = ItemDeliveryData::extractFields($item);
1790 unset($item['postopts']);
1791 unset($item['inform']);
1793 // These fields aren't stored anymore in the item table, they are fetched upon request
1794 unset($item['author-link']);
1795 unset($item['author-name']);
1796 unset($item['author-avatar']);
1797 unset($item['author-network']);
1799 unset($item['owner-link']);
1800 unset($item['owner-name']);
1801 unset($item['owner-avatar']);
1803 $like_no_comment = Config::get('system', 'like_no_comment');
1806 $ret = DBA::insert('item', $item);
1808 // When the item was successfully stored we fetch the ID of the item.
1809 if (DBA::isResult($ret)) {
1810 $current_post = DBA::lastInsertId();
1812 // This can happen - for example - if there are locking timeouts.
1815 // Store the data into a spool file so that we can try again later.
1816 self::spool($orig_item);
1820 if ($current_post == 0) {
1821 // This is one of these error messages that never should occur.
1822 Logger::log("couldn't find created item - we better quit now.");
1827 // How much entries have we created?
1828 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1829 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1832 // There are duplicates. We delete our just created entry.
1833 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1835 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1836 DBA::delete('item', ['id' => $current_post]);
1839 } elseif ($entries == 0) {
1840 // This really should never happen since we quit earlier if there were problems.
1841 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1846 Logger::log('created item '.$current_post);
1848 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1849 $parent_id = $current_post;
1853 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1855 $item['id'] = $current_post;
1856 $item['parent'] = $parent_id;
1858 // update the commented timestamp on the parent
1859 // Only update "commented" if it is really a comment
1860 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1861 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1863 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1868 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1869 * We can check for this condition when we decode and encode the stuff again.
1871 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1872 $dsprsig->signature = base64_decode($dsprsig->signature);
1873 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1876 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1877 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1879 // The other fields are used by very old Friendica servers, so we currently store them differently
1880 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1881 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1885 if (!empty($diaspora_signed_text)) {
1886 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1889 if ($item['parent-uri'] === $item['uri']) {
1890 self::addThread($current_post);
1892 self::updateThread($parent_id);
1895 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1896 ItemDeliveryData::insert($current_post, $delivery_data);
1902 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1903 * This is not perfect - but a workable solution until we found the reason for the problem.
1905 if (!empty($tags)) {
1906 Term::insertFromTagFieldByItemId($current_post, $tags);
1909 if (!empty($files)) {
1910 Term::insertFromFileFieldByItemId($current_post, $files);
1913 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1914 if (self::tagDeliver($item['uid'], $current_post)) {
1915 // Get the user information for the logging
1916 $user = User::getById($uid);
1918 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1923 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1924 if (DBA::isResult($posted_item)) {
1926 Hook::callAll('post_local_end', $posted_item);
1928 Hook::callAll('post_remote_end', $posted_item);
1931 Logger::log('new item not found in DB, id ' . $current_post);
1935 if ($item['parent-uri'] === $item['uri']) {
1936 self::addShadow($current_post);
1938 self::addShadowPost($current_post);
1941 self::updateContact($item);
1943 check_user_notification($current_post);
1945 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
1946 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1949 return $current_post;
1953 * @brief Insert a new item content entry
1955 * @param array $item The item fields that are to be inserted
1957 * @throws \Exception
1959 private static function insertActivity(&$item)
1961 $activity_index = self::activityToIndex($item['verb']);
1963 if ($activity_index < 0) {
1967 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1969 // We just remove everything that is content
1970 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1971 unset($item[$field]);
1974 // To avoid timing problems, we are using locks.
1975 $locked = Lock::acquire('item_insert_activity');
1977 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1980 // Do we already have this content?
1981 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1982 if (DBA::isResult($item_activity)) {
1983 $item['iaid'] = $item_activity['id'];
1984 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1985 } elseif (DBA::insert('item-activity', $fields)) {
1986 $item['iaid'] = DBA::lastInsertId();
1987 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1989 // This shouldn't happen.
1990 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1991 Lock::release('item_insert_activity');
1995 Lock::release('item_insert_activity');
2001 * @brief Insert a new item content entry
2003 * @param array $item The item fields that are to be inserted
2004 * @throws \Exception
2006 private static function insertContent(&$item)
2008 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2010 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2011 if (isset($item[$field])) {
2012 $fields[$field] = $item[$field];
2013 unset($item[$field]);
2017 // To avoid timing problems, we are using locks.
2018 $locked = Lock::acquire('item_insert_content');
2020 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2023 // Do we already have this content?
2024 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2025 if (DBA::isResult($item_content)) {
2026 $item['icid'] = $item_content['id'];
2027 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2028 } elseif (DBA::insert('item-content', $fields)) {
2029 $item['icid'] = DBA::lastInsertId();
2030 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2032 // This shouldn't happen.
2033 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2036 Lock::release('item_insert_content');
2041 * @brief Update existing item content entries
2043 * @param array $item The item fields that are to be changed
2044 * @param array $condition The condition for finding the item content entries
2046 * @throws \Exception
2048 private static function updateActivity($item, $condition)
2050 if (empty($item['verb'])) {
2053 $activity_index = self::activityToIndex($item['verb']);
2055 if ($activity_index < 0) {
2059 $fields = ['activity' => $activity_index];
2061 Logger::log('Update activity for ' . json_encode($condition));
2063 DBA::update('item-activity', $fields, $condition, true);
2069 * @brief Update existing item content entries
2071 * @param array $item The item fields that are to be changed
2072 * @param array $condition The condition for finding the item content entries
2073 * @throws \Exception
2075 private static function updateContent($item, $condition)
2077 // We have to select only the fields from the "item-content" table
2079 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2080 if (isset($item[$field])) {
2081 $fields[$field] = $item[$field];
2085 if (empty($fields)) {
2086 // when there are no fields at all, just use the condition
2087 // This is to ensure that we always store content.
2088 $fields = $condition;
2091 Logger::log('Update content for ' . json_encode($condition));
2093 DBA::update('item-content', $fields, $condition, true);
2097 * @brief Distributes public items to the receivers
2099 * @param integer $itemid Item ID that should be added
2100 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2101 * @throws \Exception
2103 public static function distribute($itemid, $signed_text = '')
2105 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2106 $parent = self::selectFirst(['owner-id'], $condition);
2107 if (!DBA::isResult($parent)) {
2111 // Only distribute public items from native networks
2112 $condition = ['id' => $itemid, 'uid' => 0,
2113 'network' => array_merge(Protocol::FEDERATED ,['']),
2114 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2115 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2116 if (!DBA::isResult($item)) {
2120 $origin = $item['origin'];
2123 unset($item['parent']);
2124 unset($item['mention']);
2125 unset($item['wall']);
2126 unset($item['origin']);
2127 unset($item['starred']);
2131 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2132 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2133 if (!DBA::isResult($owner)) {
2137 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2138 $contacts = DBA::select('contact', ['uid'], $condition);
2139 while ($contact = DBA::fetch($contacts)) {
2140 if ($contact['uid'] == 0) {
2144 $users[$contact['uid']] = $contact['uid'];
2146 DBA::close($contacts);
2148 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2149 $contacts = DBA::select('contact', ['uid'], $condition);
2150 while ($contact = DBA::fetch($contacts)) {
2151 if ($contact['uid'] == 0) {
2155 $users[$contact['uid']] = $contact['uid'];
2157 DBA::close($contacts);
2159 if (!empty($owner['alias'])) {
2160 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2161 $contacts = DBA::select('contact', ['uid'], $condition);
2162 while ($contact = DBA::fetch($contacts)) {
2163 if ($contact['uid'] == 0) {
2167 $users[$contact['uid']] = $contact['uid'];
2169 DBA::close($contacts);
2174 if ($item['uri'] != $item['parent-uri']) {
2175 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2176 while ($parent = self::fetch($parents)) {
2177 $users[$parent['uid']] = $parent['uid'];
2178 if ($parent['origin'] && !$origin) {
2179 $origin_uid = $parent['uid'];
2184 foreach ($users as $uid) {
2185 if ($origin_uid == $uid) {
2186 $item['diaspora_signed_text'] = $signed_text;
2188 self::storeForUser($itemid, $item, $uid);
2193 * @brief Store public items for the receivers
2195 * @param integer $itemid Item ID that should be added
2196 * @param array $item The item entry that will be stored
2197 * @param integer $uid The user that will receive the item entry
2198 * @throws \Exception
2200 private static function storeForUser($itemid, $item, $uid)
2202 $item['uid'] = $uid;
2203 $item['origin'] = 0;
2205 if ($item['uri'] == $item['parent-uri']) {
2206 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2208 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2211 if (empty($item['contact-id'])) {
2212 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2213 if (!DBA::isResult($self)) {
2216 $item['contact-id'] = $self['id'];
2219 /// @todo Handling of "event-id"
2222 if ($item['uri'] == $item['parent-uri']) {
2223 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2224 if (DBA::isResult($contact)) {
2225 $notify = self::isRemoteSelf($contact, $item);
2229 $distributed = self::insert($item, false, $notify, true);
2231 if (!$distributed) {
2232 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2234 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2239 * @brief Add a shadow entry for a given item id that is a thread starter
2241 * We store every public item entry additionally with the user id "0".
2242 * This is used for the community page and for the search.
2243 * It is planned that in the future we will store public item entries only once.
2245 * @param integer $itemid Item ID that should be added
2246 * @throws \Exception
2248 public static function addShadow($itemid)
2250 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2251 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2252 $item = self::selectFirst($fields, $condition);
2254 if (!DBA::isResult($item)) {
2258 // is it already a copy?
2259 if (($itemid == 0) || ($item['uid'] == 0)) {
2263 // Is it a visible public post?
2264 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2268 // is it an entry from a connector? Only add an entry for natively connected networks
2269 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2273 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2277 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2279 if (DBA::isResult($item)) {
2280 // Preparing public shadow (removing user specific data)
2283 unset($item['parent']);
2284 unset($item['wall']);
2285 unset($item['mention']);
2286 unset($item['origin']);
2287 unset($item['starred']);
2288 unset($item['postopts']);
2289 unset($item['inform']);
2290 if ($item['uri'] == $item['parent-uri']) {
2291 $item['contact-id'] = $item['owner-id'];
2293 $item['contact-id'] = $item['author-id'];
2296 $public_shadow = self::insert($item, false, false, true);
2298 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2303 * @brief Add a shadow entry for a given item id that is a comment
2305 * This function does the same like the function above - but for comments
2307 * @param integer $itemid Item ID that should be added
2308 * @throws \Exception
2310 public static function addShadowPost($itemid)
2312 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2313 if (!DBA::isResult($item)) {
2317 // Is it a toplevel post?
2318 if ($item['id'] == $item['parent']) {
2319 self::addShadow($itemid);
2323 // Is this a shadow entry?
2324 if ($item['uid'] == 0) {
2328 // Is there a shadow parent?
2329 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2333 // Is there already a shadow entry?
2334 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2338 // Save "origin" and "parent" state
2339 $origin = $item['origin'];
2340 $parent = $item['parent'];
2342 // Preparing public shadow (removing user specific data)
2345 unset($item['parent']);
2346 unset($item['wall']);
2347 unset($item['mention']);
2348 unset($item['origin']);
2349 unset($item['starred']);
2350 unset($item['postopts']);
2351 unset($item['inform']);
2352 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2354 $public_shadow = self::insert($item, false, false, true);
2356 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2358 // If this was a comment to a Diaspora post we don't get our comment back.
2359 // This means that we have to distribute the comment by ourselves.
2360 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2361 self::distribute($public_shadow);
2366 * Adds a language specification in a "language" element of given $arr.
2367 * Expects "body" element to exist in $arr.
2370 * @throws \Text_LanguageDetect_Exception
2372 private static function addLanguageToItemArray(&$item)
2374 $naked_body = BBCode::toPlaintext($item['body'], false);
2376 $ld = new Text_LanguageDetect();
2377 $ld->setNameMode(2);
2378 $languages = $ld->detect($naked_body, 3);
2380 if (is_array($languages)) {
2381 $item['language'] = json_encode($languages);
2386 * @brief Creates an unique guid out of a given uri
2388 * @param string $uri uri of an item entry
2389 * @param string $host hostname for the GUID prefix
2390 * @return string unique guid
2392 public static function guidFromUri($uri, $host)
2394 // Our regular guid routine is using this kind of prefix as well
2395 // We have to avoid that different routines could accidentally create the same value
2396 $parsed = parse_url($uri);
2398 // We use a hash of the hostname as prefix for the guid
2399 $guid_prefix = hash("crc32", $host);
2401 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2402 unset($parsed["scheme"]);
2404 // Glue it together to be able to make a hash from it
2405 $host_id = implode("/", $parsed);
2407 // We could use any hash algorithm since it isn't a security issue
2408 $host_hash = hash("ripemd128", $host_id);
2410 return $guid_prefix.$host_hash;
2414 * generate an unique URI
2416 * @param integer $uid User id
2417 * @param string $guid An existing GUID (Otherwise it will be generated)
2420 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2422 public static function newURI($uid, $guid = "")
2425 $guid = System::createUUID();
2428 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2432 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2434 * This can be used to filter for inactive contacts.
2435 * Only do this for public postings to avoid privacy problems, since poco data is public.
2436 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2438 * @param array $arr Contains the just posted item record
2439 * @throws \Exception
2441 private static function updateContact($arr)
2443 // Unarchive the author
2444 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2445 if (DBA::isResult($contact)) {
2446 Contact::unmarkForArchival($contact);
2449 // Unarchive the contact if it's not our own contact
2450 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2451 if (DBA::isResult($contact)) {
2452 Contact::unmarkForArchival($contact);
2455 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2457 // Is it a forum? Then we don't care about the rules from above
2458 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2459 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2465 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2466 ['id' => $arr['contact-id']]);
2468 // Now do the same for the system wide contacts with uid=0
2469 if (!$arr['private']) {
2470 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2471 ['id' => $arr['owner-id']]);
2473 if ($arr['owner-id'] != $arr['author-id']) {
2474 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2475 ['id' => $arr['author-id']]);
2480 public static function setHashtags(&$item)
2482 $tags = BBCode::getTags($item["body"]);
2485 if (!count($tags)) {
2489 // What happens in [code], stays in [code]!
2490 // escape the # and the [
2491 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2492 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2494 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2496 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2497 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2500 // This sorting is important when there are hashtags that are part of other hashtags
2501 // Otherwise there could be problems with hashtags like #test and #test2
2504 $URLSearchString = "^\[\]";
2506 // All hashtags should point to the home server if "local_tags" is activated
2507 if (Config::get('system', 'local_tags')) {
2508 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2509 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2511 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2512 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2515 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2516 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2518 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2521 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2523 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2526 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2528 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2531 // Repair recursive urls
2532 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2533 "#$2", $item["body"]);
2535 foreach ($tags as $tag) {
2536 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || $tag[1] == '#') {
2540 $basetag = str_replace('_',' ',substr($tag,1));
2541 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2543 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2545 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2546 if (strlen($item["tag"])) {
2547 $item["tag"] = ',' . $item["tag"];
2549 $item["tag"] = $newtag . $item["tag"];
2553 // Convert back the masked hashtags
2554 $item["body"] = str_replace("#", "#", $item["body"]);
2556 // Remember! What happens in [code], stays in [code]
2557 // roleback the # and [
2558 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2560 // we truly unESCape all sharp and leftsquarebracket
2561 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2562 $replace = ['#', '['];
2563 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2568 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2571 * @param int $item_id
2572 * @return boolean true if item was deleted, else false
2573 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2574 * @throws \ImagickException
2576 private static function tagDeliver($uid, $item_id)
2580 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2581 if (!DBA::isResult($user)) {
2585 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2586 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2588 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2589 if (!DBA::isResult($item)) {
2593 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2596 * Diaspora uses their own hardwired link URL in @-tags
2597 * instead of the one we supply with webfinger
2599 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2601 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2603 foreach ($matches as $mtch) {
2604 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2606 Logger::log('mention found: ' . $mtch[2]);
2612 if (($community_page || $prvgroup) &&
2613 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2614 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2616 Logger::log("no-mention top-level post to community or private group. delete.");
2617 DBA::delete('item', ['id' => $item_id]);
2623 $arr = ['item' => $item, 'user' => $user];
2625 Hook::callAll('tagged', $arr);
2627 if (!$community_page && !$prvgroup) {
2632 * tgroup delivery - setup a second delivery chain
2633 * prevent delivery looping - only proceed
2634 * if the message originated elsewhere and is a top-level post
2636 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2640 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2641 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2642 if (!DBA::isResult($self)) {
2646 $owner_id = Contact::getIdForURL($self['url']);
2648 // also reset all the privacy bits to the forum default permissions
2650 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2652 $psid = PermissionSet::fetchIDForPost($user);
2654 $forum_mode = ($prvgroup ? 2 : 1);
2656 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2657 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2658 self::update($fields, ['id' => $item_id]);
2660 self::updateThread($item_id);
2662 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2667 public static function isRemoteSelf($contact, &$datarray)
2671 if (!$contact['remote_self']) {
2675 // Prevent the forwarding of posts that are forwarded
2676 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2677 Logger::log('Already forwarded', Logger::DEBUG);
2681 // Prevent to forward already forwarded posts
2682 if ($datarray["app"] == $a->getHostName()) {
2683 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2687 // Only forward posts
2688 if ($datarray["verb"] != ACTIVITY_POST) {
2689 Logger::log('No post', Logger::DEBUG);
2693 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2694 Logger::log('Not public', Logger::DEBUG);
2698 $datarray2 = $datarray;
2699 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2700 if ($contact['remote_self'] == 2) {
2701 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2702 ['uid' => $contact['uid'], 'self' => true]);
2703 if (DBA::isResult($self)) {
2704 $datarray['contact-id'] = $self["id"];
2706 $datarray['owner-name'] = $self["name"];
2707 $datarray['owner-link'] = $self["url"];
2708 $datarray['owner-avatar'] = $self["thumb"];
2710 $datarray['author-name'] = $datarray['owner-name'];
2711 $datarray['author-link'] = $datarray['owner-link'];
2712 $datarray['author-avatar'] = $datarray['owner-avatar'];
2714 unset($datarray['edited']);
2716 unset($datarray['network']);
2717 unset($datarray['owner-id']);
2718 unset($datarray['author-id']);
2721 if ($contact['network'] != Protocol::FEED) {
2722 $datarray["guid"] = System::createUUID();
2723 unset($datarray["plink"]);
2724 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2725 $datarray["parent-uri"] = $datarray["uri"];
2726 $datarray["thr-parent"] = $datarray["uri"];
2727 $datarray["extid"] = Protocol::DFRN;
2728 $urlpart = parse_url($datarray2['author-link']);
2729 $datarray["app"] = $urlpart["host"];
2731 $datarray['private'] = 0;
2735 if ($contact['network'] != Protocol::FEED) {
2736 // Store the original post
2737 $result = self::insert($datarray2, false, false);
2738 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2740 $datarray["app"] = "Feed";
2744 // Trigger automatic reactions for addons
2745 $datarray['api_source'] = true;
2747 // We have to tell the hooks who we are - this really should be improved
2748 $_SESSION["authenticated"] = true;
2749 $_SESSION["uid"] = $contact['uid'];
2758 * @param array $item
2761 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2762 * @throws \ImagickException
2764 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2766 if (Config::get('system', 'disable_embedded')) {
2770 Logger::log('check for photos', Logger::DEBUG);
2771 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2776 $img_start = strpos($orig_body, '[img');
2777 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2778 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2780 while (($img_st_close !== false) && ($img_len !== false)) {
2781 $img_st_close++; // make it point to AFTER the closing bracket
2782 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2784 Logger::log('found photo ' . $image, Logger::DEBUG);
2786 if (stristr($image, $site . '/photo/')) {
2787 // Only embed locally hosted photos
2789 $i = basename($image);
2790 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2791 $x = strpos($i, '-');
2794 $res = substr($i, $x + 1);
2795 $i = substr($i, 0, $x);
2796 $photo = Photo::getPhotoForUser($uid, $i, $res);
2797 if (DBA::isResult($photo)) {
2799 * Check to see if we should replace this photo link with an embedded image
2800 * 1. No need to do so if the photo is public
2801 * 2. If there's a contact-id provided, see if they're in the access list
2802 * for the photo. If so, embed it.
2803 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2804 * permissions, regardless of order but first check to see if they're an exact
2805 * match to save some processing overhead.
2807 if (self::hasPermissions($photo)) {
2809 $recips = self::enumeratePermissions($photo);
2810 if (in_array($cid, $recips)) {
2814 if (self::samePermissions($uid, $item, $photo)) {
2820 $photo_img = Photo::getImageForPhoto($photo);
2821 // If a custom width and height were specified, apply before embedding
2822 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2823 Logger::log('scaling photo', Logger::DEBUG);
2825 $width = intval($match[1]);
2826 $height = intval($match[2]);
2828 $photo_img->scaleDown(max($width, $height));
2831 $data = $photo_img->asString();
2832 $type = $photo_img->getType();
2834 Logger::log('replacing photo', Logger::DEBUG);
2835 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2836 Logger::log('replaced: ' . $image, Logger::DATA);
2842 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2843 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2844 if ($orig_body === false) {
2848 $img_start = strpos($orig_body, '[img');
2849 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2850 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2853 $new_body = $new_body . $orig_body;
2858 private static function hasPermissions($obj)
2860 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2861 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2864 private static function samePermissions($uid, $obj1, $obj2)
2866 // first part is easy. Check that these are exactly the same.
2867 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2868 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2869 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2870 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2874 // This is harder. Parse all the permissions and compare the resulting set.
2875 $recipients1 = self::enumeratePermissions($obj1);
2876 $recipients2 = self::enumeratePermissions($obj2);
2880 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2881 return ($recipients1 == $recipients2);
2885 * Returns an array of contact-ids that are allowed to see this object
2887 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2888 * @param bool $check_dead Prunes unavailable contacts from the result
2890 * @throws \Exception
2892 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2894 $allow_people = expand_acl($obj['allow_cid']);
2895 $allow_groups = Group::expand($obj['uid'], expand_acl($obj['allow_gid']), $check_dead);
2896 $deny_people = expand_acl($obj['deny_cid']);
2897 $deny_groups = Group::expand($obj['uid'], expand_acl($obj['deny_gid']), $check_dead);
2898 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2899 $deny = array_unique(array_merge($deny_people, $deny_groups));
2900 $recipients = array_diff($recipients, $deny);
2904 public static function getFeedTags($item)
2908 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2910 for ($x = 0; $x < $cnt; $x ++) {
2911 if ($matches[1][$x]) {
2912 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2917 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2919 for ($x = 0; $x < $cnt; $x ++) {
2920 if ($matches[1][$x]) {
2921 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2928 public static function expire($uid, $days, $network = "", $force = false)
2930 if (!$uid || ($days < 1)) {
2934 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2935 $uid, GRAVITY_PARENT];
2938 * $expire_network_only = save your own wall posts
2939 * and just expire conversations started by others
2941 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2943 if ($expire_network_only) {
2944 $condition[0] .= " AND NOT `wall`";
2947 if ($network != "") {
2948 $condition[0] .= " AND `network` = ?";
2949 $condition[] = $network;
2952 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2953 $condition[] = $days;
2955 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2957 if (!DBA::isResult($items)) {
2961 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2963 // Forcing expiring of items - but not notes and marked items
2965 $expire_items = true;
2968 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2969 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2970 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2974 while ($item = Item::fetch($items)) {
2975 // don't expire filed items
2977 if (strpos($item['file'], '[') !== false) {
2981 // Only expire posts, not photos and photo comments
2983 if (!$expire_photos && strlen($item['resource-id'])) {
2985 } elseif (!$expire_starred && intval($item['starred'])) {
2987 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2989 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2993 self::deleteById($item['id'], PRIORITY_LOW);
2998 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3001 public static function firstPostDate($uid, $wall = false)
3003 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3004 $params = ['order' => ['received' => false]];
3005 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3006 if (DBA::isResult($thread)) {
3007 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3013 * @brief add/remove activity to an item
3015 * Toggle activities as like,dislike,attend of an item
3017 * @param string $item_id
3018 * @param string $verb
3019 * Activity verb. One of
3020 * like, unlike, dislike, undislike, attendyes, unattendyes,
3021 * attendno, unattendno, attendmaybe, unattendmaybe
3023 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3024 * @throws \ImagickException
3025 * @hook 'post_local_end'
3027 * 'post_id' => ID of posted item
3029 public static function performLike($item_id, $verb)
3031 if (!local_user() && !remote_user()) {
3038 $activity = ACTIVITY_LIKE;
3042 $activity = ACTIVITY_DISLIKE;
3046 $activity = ACTIVITY_ATTEND;
3050 $activity = ACTIVITY_ATTENDNO;
3053 case 'unattendmaybe':
3054 $activity = ACTIVITY_ATTENDMAYBE;
3057 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3061 // Enable activity toggling instead of on/off
3062 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3064 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3066 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3067 if (!DBA::isResult($item)) {
3068 Logger::log('like: unknown item ' . $item_id);
3072 $item_uri = $item['uri'];
3074 $uid = $item['uid'];
3075 if (($uid == 0) && local_user()) {
3076 $uid = local_user();
3079 if (!Security::canWriteToUserWall($uid)) {
3080 Logger::log('like: unable to write on wall ' . $uid);
3084 // Retrieves the local post owner
3085 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3086 if (!DBA::isResult($owner_self_contact)) {
3087 Logger::log('like: unknown owner ' . $uid);
3091 // Retrieve the current logged in user's public contact
3092 $author_id = public_contact();
3094 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3095 if (!DBA::isResult($author_contact)) {
3096 Logger::log('like: unknown author ' . $author_id);
3100 // Contact-id is the uid-dependant author contact
3101 if (local_user() == $uid) {
3102 $item_contact_id = $owner_self_contact['id'];
3104 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3105 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3106 if (!DBA::isResult($item_contact)) {
3107 Logger::log('like: unknown item contact ' . $item_contact_id);
3112 // Look for an existing verb row
3113 // event participation are essentially radio toggles. If you make a subsequent choice,
3114 // we need to eradicate your first choice.
3115 if ($event_verb_flag) {
3116 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3118 // Translate to the index based activity index
3120 foreach ($verbs as $verb) {
3121 $activities[] = self::activityToIndex($verb);
3124 $activities = self::activityToIndex($activity);
3127 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3128 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3130 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3132 // If it exists, mark it as deleted
3133 if (DBA::isResult($like_item)) {
3134 self::deleteById($like_item['id']);
3136 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3141 // Verb is "un-something", just trying to delete existing entries
3142 if (strpos($verb, 'un') === 0) {
3146 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3149 'guid' => System::createUUID(),
3150 'uri' => self::newURI($item['uid']),
3151 'uid' => $item['uid'],
3152 'contact-id' => $item_contact_id,
3153 'wall' => $item['wall'],
3155 'network' => Protocol::DFRN,
3156 'gravity' => GRAVITY_ACTIVITY,
3157 'parent' => $item['id'],
3158 'parent-uri' => $item['uri'],
3159 'thr-parent' => $item['uri'],
3160 'owner-id' => $author_id,
3161 'author-id' => $author_id,
3162 'body' => $activity,
3163 'verb' => $activity,
3164 'object-type' => $objtype,
3165 'allow_cid' => $item['allow_cid'],
3166 'allow_gid' => $item['allow_gid'],
3167 'deny_cid' => $item['deny_cid'],
3168 'deny_gid' => $item['deny_gid'],
3173 $signed = Diaspora::createLikeSignature($uid, $new_item);
3174 if (!empty($signed)) {
3175 $new_item['diaspora_signed_text'] = json_encode($signed);
3178 $new_item_id = self::insert($new_item);
3180 // If the parent item isn't visible then set it to visible
3181 if (!$item['visible']) {
3182 self::update(['visible' => true], ['id' => $item['id']]);
3185 $new_item['id'] = $new_item_id;
3187 Hook::callAll('post_local_end', $new_item);
3192 private static function addThread($itemid, $onlyshadow = false)
3194 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3195 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3196 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3197 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3198 $item = self::selectFirst($fields, $condition);
3200 if (!DBA::isResult($item)) {
3204 $item['iid'] = $itemid;
3207 $result = DBA::insert('thread', $item);
3209 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3213 private static function updateThread($itemid, $setmention = false)
3215 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3216 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3217 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3218 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3220 $item = self::selectFirst($fields, $condition);
3221 if (!DBA::isResult($item)) {
3226 $item["mention"] = 1;
3231 foreach ($item as $field => $data) {
3232 if (!in_array($field, ["guid"])) {
3233 $fields[$field] = $data;
3237 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3239 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3242 private static function deleteThread($itemid, $itemuri = "")
3244 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3245 if (!DBA::isResult($item)) {
3246 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3250 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3252 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3254 if ($itemuri != "") {
3255 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3256 if (!self::exists($condition)) {
3257 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3258 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3263 public static function getPermissionsSQLByUserId($owner_id, $remote_verified = false, $groups = null, $remote_cid = null)
3265 $local_user = local_user();
3266 $remote_user = remote_user();
3269 * Construct permissions
3271 * default permissions - anonymous user
3273 $sql = " AND NOT `item`.`private`";
3275 // Profile owner - everything is visible
3276 if ($local_user && ($local_user == $owner_id)) {
3278 } elseif ($remote_user) {
3280 * Authenticated visitor. Unless pre-verified,
3281 * check that the contact belongs to this $owner_id
3282 * and load the groups the visitor belongs to.
3283 * If pre-verified, the caller is expected to have already
3284 * done this and passed the groups into this function.
3286 $set = PermissionSet::get($owner_id, $remote_cid, $groups);
3289 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3294 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3301 * get translated item type
3306 public static function postType($item)
3308 if (!empty($item['event-id'])) {
3309 return L10n::t('event');
3310 } elseif (!empty($item['resource-id'])) {
3311 return L10n::t('photo');
3312 } elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
3313 return L10n::t('activity');
3314 } elseif ($item['id'] != $item['parent']) {
3315 return L10n::t('comment');
3318 return L10n::t('post');
3322 * Sets the "rendered-html" field of the provided item
3324 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3326 * @param array $item
3327 * @param bool $update
3329 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3330 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3332 public static function putInCache(&$item, $update = false)
3334 $body = $item["body"];
3336 $rendered_hash = defaults($item, 'rendered-hash', '');
3337 $rendered_html = defaults($item, 'rendered-html', '');
3339 if ($rendered_hash == ''
3340 || $rendered_html == ""
3341 || $rendered_hash != hash("md5", $item["body"])
3342 || Config::get("system", "ignore_cache")
3344 $a = self::getApp();
3345 redir_private_images($a, $item);
3347 $item["rendered-html"] = prepare_text($item["body"]);
3348 $item["rendered-hash"] = hash("md5", $item["body"]);
3350 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3351 Hook::callAll('put_item_in_cache', $hook_data);
3352 $item['rendered-html'] = $hook_data['rendered-html'];
3353 $item['rendered-hash'] = $hook_data['rendered-hash'];
3356 // Force an update if the generated values differ from the existing ones
3357 if ($rendered_hash != $item["rendered-hash"]) {
3361 // Only compare the HTML when we forcefully ignore the cache
3362 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3366 if ($update && !empty($item["id"])) {
3369 'rendered-html' => $item["rendered-html"],
3370 'rendered-hash' => $item["rendered-hash"]
3372 ['id' => $item["id"]]
3377 $item["body"] = $body;
3381 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3382 * If attach is true, also add icons for item attachments.
3384 * @param array $item
3385 * @param boolean $attach
3386 * @param boolean $is_preview
3387 * @return string item body html
3388 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3389 * @throws \ImagickException
3390 * @hook prepare_body_init item array before any work
3391 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3392 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3393 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3395 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3397 $a = self::getApp();
3398 Hook::callAll('prepare_body_init', $item);
3400 // In order to provide theme developers more possibilities, event items
3401 // are treated differently.
3402 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
3403 $ev = Event::getItemHTML($item);
3407 $tags = Term::populateTagsFromItem($item);
3409 $item['tags'] = $tags['tags'];
3410 $item['hashtags'] = $tags['hashtags'];
3411 $item['mentions'] = $tags['mentions'];
3413 // Compile eventual content filter reasons
3414 $filter_reasons = [];
3415 if (!$is_preview && public_contact() != $item['author-id']) {
3416 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3417 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3422 'filter_reasons' => $filter_reasons
3424 Hook::callAll('prepare_body_content_filter', $hook_data);
3425 $filter_reasons = $hook_data['filter_reasons'];
3429 // Update the cached values if there is no "zrl=..." on the links.
3430 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
3432 // Or update it if the current viewer is the intented viewer.
3433 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3437 self::putInCache($item, $update);
3438 $s = $item["rendered-html"];
3443 'preview' => $is_preview,
3444 'filter_reasons' => $filter_reasons
3446 Hook::callAll('prepare_body', $hook_data);
3447 $s = $hook_data['html'];
3451 // Replace the blockquotes with quotes that are used in mails.
3452 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3453 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3460 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3461 foreach ($matches as $mtch) {
3464 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3466 if (strpos($mime, 'video') !== false) {
3469 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3472 $url_parts = explode('/', $the_url);
3473 $id = end($url_parts);
3474 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3477 'title' => L10n::t('View Video'),
3484 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3486 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3487 $filesubtype = str_replace('.', '-', $filesubtype);
3490 $filesubtype = 'unkn';
3493 $title = Strings::escapeHtml(trim(defaults($mtch, 4, $mtch[1])));
3494 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3496 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3497 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3501 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3505 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3506 $x = Map::byCoordinates(trim($item['coord']));
3508 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3512 // Replace friendica image url size with theme preference.
3513 if (!empty($a->theme_info['item_image_size'])) {
3514 $ps = $a->theme_info['item_image_size'];
3515 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3518 $s = HTML::applyContentFilter($s, $filter_reasons);
3520 $hook_data = ['item' => $item, 'html' => $s];
3521 Hook::callAll('prepare_body_final', $hook_data);
3523 return $hook_data['html'];
3527 * get private link for item
3529 * @param array $item
3530 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3531 * @throws \Exception
3533 public static function getPlink($item)
3535 $a = self::getApp();
3537 if ($a->user['nickname'] != "") {
3539 'href' => "display/" . $item['guid'],
3540 'orig' => "display/" . $item['guid'],
3541 'title' => L10n::t('View on separate page'),
3542 'orig_title' => L10n::t('view on separate page'),
3545 if (!empty($item['plink'])) {
3546 $ret["href"] = $a->removeBaseURL($item['plink']);
3547 $ret["title"] = L10n::t('link to source');
3550 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3552 'href' => $item['plink'],
3553 'orig' => $item['plink'],
3554 'title' => L10n::t('link to source'),
3564 * Is the given item array a post that is sent as starting post to a forum?
3566 * @param array $item
3567 * @param array $owner
3569 * @return boolean "true" when it is a forum post
3571 public static function isForumPost(array $item, array $owner = [])
3573 if (empty($owner)) {
3574 $owner = User::getOwnerDataById($item['uid']);
3575 if (empty($owner)) {
3580 if (($item['author-id'] == $item['owner-id']) ||
3581 ($owner['id'] == $item['contact-id']) ||
3582 ($item['uri'] != $item['parent-uri']) ||
3587 return Contact::isForum($item['contact-id']);
3591 * Search item id for given URI or plink
3593 * @param string $uri
3594 * @param integer $uid
3596 * @return integer item id
3598 public static function searchByLink($uri, $uid = 0)
3600 $ssl_uri = str_replace('http://', 'https://', $uri);
3601 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3603 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3604 if (DBA::isResult($item)) {
3608 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3609 if (!DBA::isResult($itemcontent)) {
3613 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3614 if (!DBA::isResult($itemuri)) {
3618 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3619 if (DBA::isResult($item)) {
3627 * Fetches item for given URI or plink
3629 * @param string $uri
3630 * @param integer $uid
3632 * @return integer item id
3634 public static function fetchByLink($uri, $uid = 0)
3636 $item_id = self::searchByLink($uri, $uid);
3637 if (!empty($item_id)) {
3641 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3642 $item_id = self::searchByLink($uri, $uid);
3644 $item_id = Diaspora::fetchByURL($uri);
3647 if (!empty($item_id)) {