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\Session;
22 use Friendica\Core\Worker;
23 use Friendica\Database\DBA;
24 use Friendica\Protocol\ActivityPub;
25 use Friendica\Protocol\Diaspora;
26 use Friendica\Protocol\OStatus;
27 use Friendica\Util\DateTimeFormat;
28 use Friendica\Util\Map;
29 use Friendica\Util\Network;
30 use Friendica\Util\Security;
31 use Friendica\Util\Strings;
32 use Friendica\Util\XML;
33 use Friendica\Worker\Delivery;
34 use Text_LanguageDetect;
36 class Item extends BaseObject
38 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
45 const PT_DOCUMENT = 19;
47 const PT_PERSONAL_NOTE = 128;
49 // Field list that is used to display the items
50 const DISPLAY_FIELDLIST = [
51 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
52 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
53 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
54 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
55 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
56 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
57 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
58 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
59 'writable', 'self', 'cid', 'alias',
60 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
61 'event-summary', 'event-desc', 'event-location', 'event-type',
62 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
63 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
66 // Field list that is used to deliver items via the protocols
67 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
68 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
69 'private', 'title', 'body', 'location', 'coord', 'app',
70 'attach', 'tag', 'deleted', 'extid', 'post-type',
71 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
72 'author-id', 'author-link', 'owner-link', 'contact-uid',
73 'signed_text', 'signature', 'signer', 'network'];
75 // Field list for "item-content" table that is mixed with the item table
76 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
77 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
78 'object-type', 'object', 'target-type', 'target', 'plink'];
80 // Field list for "item-content" table that is not present in the "item" table
81 const CONTENT_FIELDLIST = ['language'];
83 // All fields in the item table
84 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
85 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
86 'created', 'edited', 'commented', 'received', 'changed', 'verb',
87 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
88 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
89 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
90 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
91 'title', 'content-warning', 'body', 'location', 'coord', 'app',
92 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
93 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
94 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
96 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
97 // The item-activity table only stores the index and needs this array to know the matching activity.
98 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE, ACTIVITY_FOLLOW, ACTIVITY2_ANNOUNCE];
100 private static $legacy_mode = null;
102 public static function isLegacyMode()
104 if (is_null(self::$legacy_mode)) {
105 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
108 return self::$legacy_mode;
112 * @brief returns an activity index from an activity string
114 * @param string $activity activity string
115 * @return integer Activity index
117 public static function activityToIndex($activity)
119 $index = array_search($activity, self::ACTIVITIES);
121 if (is_bool($index)) {
129 * @brief returns an activity string from an activity index
131 * @param integer $index activity index
132 * @return string Activity string
134 private static function indexToActivity($index)
136 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
140 return self::ACTIVITIES[$index];
144 * @brief Fetch a single item row
146 * @param mixed $stmt statement object
147 * @return array current row
149 public static function fetch($stmt)
151 $row = DBA::fetch($stmt);
157 // ---------------------- Transform item structure data ----------------------
159 // We prefer the data from the user's contact over the public one
160 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
161 ($row['author-link'] == $row['contact-link'])) {
162 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
163 $row['author-avatar'] = $row['contact-avatar'];
165 if (isset($row['author-name']) && !empty($row['contact-name'])) {
166 $row['author-name'] = $row['contact-name'];
170 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
171 ($row['owner-link'] == $row['contact-link'])) {
172 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
173 $row['owner-avatar'] = $row['contact-avatar'];
175 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
176 $row['owner-name'] = $row['contact-name'];
180 // We can always comment on posts from these networks
181 if (array_key_exists('writable', $row) &&
182 in_array($row['internal-network'], Protocol::FEDERATED)) {
183 $row['writable'] = true;
186 // ---------------------- Transform item content data ----------------------
188 // Fetch data from the item-content table whenever there is content there
189 if (self::isLegacyMode()) {
190 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
191 foreach ($legacy_fields as $field) {
192 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
193 $row[$field] = $row['internal-item-' . $field];
195 unset($row['internal-item-' . $field]);
199 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
200 $row['verb'] = self::indexToActivity($row['internal-activity']);
201 if (array_key_exists('title', $row)) {
204 if (array_key_exists('body', $row)) {
205 $row['body'] = $row['verb'];
207 if (array_key_exists('object', $row)) {
210 if (array_key_exists('object-type', $row)) {
211 $row['object-type'] = ACTIVITY_OBJ_NOTE;
213 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
214 // Posts don't have an object or target - but having tags or files.
215 // We safe some performance by building tag and file strings only here.
216 // We remove object and target since they aren't used for this type.
217 if (array_key_exists('object', $row)) {
220 if (array_key_exists('target', $row)) {
225 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
226 // Build the tag string out of the term entries
227 if (array_key_exists('tag', $row) && empty($row['tag'])) {
228 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
231 // Build the file string out of the term entries
232 if (array_key_exists('file', $row) && empty($row['file'])) {
233 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
237 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
238 $row['signed_text'] = $row['interaction'];
241 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
242 $row['ignored'] = $row['internal-user-ignored'];
245 // Remove internal fields
246 unset($row['internal-activity']);
247 unset($row['internal-network']);
248 unset($row['internal-iid']);
249 unset($row['internal-iaid']);
250 unset($row['internal-icid']);
251 unset($row['internal-user-ignored']);
252 unset($row['interaction']);
258 * @brief Fills an array with data from an item query
260 * @param object $stmt statement object
261 * @param bool $do_close
262 * @return array Data array
264 public static function inArray($stmt, $do_close = true) {
265 if (is_bool($stmt)) {
270 while ($row = self::fetch($stmt)) {
280 * @brief Check if item data exists
282 * @param array $condition array of fields for condition
284 * @return boolean Are there rows for that condition?
287 public static function exists($condition) {
288 $stmt = self::select(['id'], $condition, ['limit' => 1]);
290 if (is_bool($stmt)) {
293 $retval = (DBA::numRows($stmt) > 0);
302 * Retrieve a single record from the item table for a given user and returns it in an associative array
304 * @brief Retrieve a single record from a table
305 * @param integer $uid User ID
306 * @param array $selected
307 * @param array $condition
308 * @param array $params
313 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
315 $params['uid'] = $uid;
317 if (empty($selected)) {
318 $selected = Item::DISPLAY_FIELDLIST;
321 return self::selectFirst($selected, $condition, $params);
325 * @brief Select rows from the item table for a given user
327 * @param integer $uid User ID
328 * @param array $selected Array of selected fields, empty for all
329 * @param array $condition Array of fields for condition
330 * @param array $params Array of several parameters
332 * @return boolean|object
335 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
337 $params['uid'] = $uid;
339 if (empty($selected)) {
340 $selected = Item::DISPLAY_FIELDLIST;
343 return self::select($selected, $condition, $params);
347 * Retrieve a single record from the item table and returns it in an associative array
349 * @brief Retrieve a single record from a table
350 * @param array $fields
351 * @param array $condition
352 * @param array $params
357 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
359 $params['limit'] = 1;
361 $result = self::select($fields, $condition, $params);
363 if (is_bool($result)) {
366 $row = self::fetch($result);
373 * @brief Select rows from the item table and returns them as an array
375 * @param array $selected Array of selected fields, empty for all
376 * @param array $condition Array of fields for condition
377 * @param array $params Array of several parameters
382 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
384 $result = self::select($fields, $condition, $params);
386 if (is_bool($result)) {
391 while ($row = self::fetch($result)) {
400 * @brief Select rows from the item table
402 * @param array $selected Array of selected fields, empty for all
403 * @param array $condition Array of fields for condition
404 * @param array $params Array of several parameters
406 * @return boolean|object
409 public static function select(array $selected = [], array $condition = [], $params = [])
414 if (isset($params['uid'])) {
415 $uid = $params['uid'];
419 $fields = self::fieldlist($usermode);
421 $select_fields = self::constructSelectFields($fields, $selected);
423 $condition_string = DBA::buildCondition($condition);
425 $condition_string = self::addTablesToFields($condition_string, $fields);
428 $condition_string = $condition_string . ' AND ' . self::condition(false);
431 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
433 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
435 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
437 return DBA::p($sql, $condition);
441 * @brief Select rows from the starting post in the item table
443 * @param integer $uid User ID
444 * @param array $selected
445 * @param array $condition Array of fields for condition
446 * @param array $params Array of several parameters
448 * @return boolean|object
451 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
453 $params['uid'] = $uid;
455 if (empty($selected)) {
456 $selected = Item::DISPLAY_FIELDLIST;
459 return self::selectThread($selected, $condition, $params);
463 * Retrieve a single record from the starting post in the item table and returns it in an associative array
465 * @brief Retrieve a single record from a table
466 * @param integer $uid User ID
467 * @param array $selected
468 * @param array $condition
469 * @param array $params
474 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
476 $params['uid'] = $uid;
478 if (empty($selected)) {
479 $selected = Item::DISPLAY_FIELDLIST;
482 return self::selectFirstThread($selected, $condition, $params);
486 * Retrieve a single record from the starting post in the item table and returns it in an associative array
488 * @brief Retrieve a single record from a table
489 * @param array $fields
490 * @param array $condition
491 * @param array $params
496 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
498 $params['limit'] = 1;
499 $result = self::selectThread($fields, $condition, $params);
501 if (is_bool($result)) {
504 $row = self::fetch($result);
511 * @brief Select rows from the starting post in the item table
513 * @param array $selected Array of selected fields, empty for all
514 * @param array $condition Array of fields for condition
515 * @param array $params Array of several parameters
517 * @return boolean|object
520 public static function selectThread(array $selected = [], array $condition = [], $params = [])
525 if (isset($params['uid'])) {
526 $uid = $params['uid'];
530 $fields = self::fieldlist($usermode);
532 $fields['thread'] = ['mention', 'ignored', 'iid'];
534 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
535 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
536 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
537 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
539 $select_fields = self::constructSelectFields($fields, $selected);
541 $condition_string = DBA::buildCondition($condition);
543 $condition_string = self::addTablesToFields($condition_string, $threadfields);
544 $condition_string = self::addTablesToFields($condition_string, $fields);
547 $condition_string = $condition_string . ' AND ' . self::condition(true);
550 $param_string = DBA::buildParameter($params);
551 $param_string = self::addTablesToFields($param_string, $threadfields);
552 $param_string = self::addTablesToFields($param_string, $fields);
554 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
556 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
558 return DBA::p($sql, $condition);
562 * @brief Returns a list of fields that are associated with the item table
565 * @return array field list
567 private static function fieldlist($usermode)
571 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
572 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
573 'created', 'edited', 'commented', 'received', 'changed', 'psid',
574 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
575 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
576 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
577 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
578 'network' => 'internal-network', 'icid' => 'internal-icid',
579 'iaid' => 'internal-iaid'];
582 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
585 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
587 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
589 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
591 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
593 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
594 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
596 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
597 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
599 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
600 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
601 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
603 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
605 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
607 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
608 'start' => 'event-start','finish' => 'event-finish',
609 'summary' => 'event-summary','desc' => 'event-desc',
610 'location' => 'event-location', 'type' => 'event-type',
611 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
612 'ignore' => 'event-ignore', 'id' => 'event-id'];
614 $fields['sign'] = ['signed_text', 'signature', 'signer'];
616 $fields['diaspora-interaction'] = ['interaction'];
622 * @brief Returns SQL condition for the "select" functions
624 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
626 * @return string SQL condition
628 private static function condition($thread_mode)
631 $master_table = "`thread`";
633 $master_table = "`item`";
635 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
636 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
637 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
638 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
639 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
640 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
641 GRAVITY_PARENT, GRAVITY_PARENT);
645 * @brief Returns all needed "JOIN" commands for the "select" functions
647 * @param integer $uid User ID
648 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
649 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
652 * @return string The SQL joins for the "select" functions
654 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
657 $master_table = "`thread`";
658 $master_table_key = "`thread`.`iid`";
659 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
661 $master_table = "`item`";
662 $master_table_key = "`item`.`id`";
667 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
668 AND NOT `contact`.`blocked`
669 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
670 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
671 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
672 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
673 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
674 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
675 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
676 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
678 if (strpos($sql_commands, "`contact`.") !== false) {
679 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
681 if (strpos($sql_commands, "`author`.") !== false) {
682 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
684 if (strpos($sql_commands, "`owner`.") !== false) {
685 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
689 if (strpos($sql_commands, "`group_member`.") !== false) {
690 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
693 if (strpos($sql_commands, "`user`.") !== false) {
694 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
697 if (strpos($sql_commands, "`event`.") !== false) {
698 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
701 if (strpos($sql_commands, "`sign`.") !== false) {
702 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
705 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
706 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
709 if (strpos($sql_commands, "`item-activity`.") !== false) {
710 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
713 if (strpos($sql_commands, "`item-content`.") !== false) {
714 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
717 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
718 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
721 if (strpos($sql_commands, "`permissionset`.") !== false) {
722 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
725 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
726 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
729 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
730 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
737 * @brief Add the field list for the "select" functions
739 * @param array $fields The field definition array
740 * @param array $selected The array with the selected fields from the "select" functions
742 * @return string The field list
744 private static function constructSelectFields($fields, $selected)
746 if (!empty($selected)) {
747 $selected[] = 'internal-iid';
748 $selected[] = 'internal-iaid';
749 $selected[] = 'internal-icid';
750 $selected[] = 'internal-network';
753 if (in_array('verb', $selected)) {
754 $selected[] = 'internal-activity';
757 if (in_array('ignored', $selected)) {
758 $selected[] = 'internal-user-ignored';
761 if (in_array('signed_text', $selected)) {
762 $selected[] = 'interaction';
765 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
768 foreach ($fields as $table => $table_fields) {
769 foreach ($table_fields as $field => $select) {
770 if (empty($selected) || in_array($select, $selected)) {
771 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
772 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
774 if (is_int($field)) {
775 $selection[] = "`" . $table . "`.`" . $select . "`";
777 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
782 return implode(", ", $selection);
786 * @brief add table definition to fields in an SQL query
788 * @param string $query SQL query
789 * @param array $fields The field definition array
791 * @return string the changed SQL query
793 private static function addTablesToFields($query, $fields)
795 foreach ($fields as $table => $table_fields) {
796 foreach ($table_fields as $alias => $field) {
797 if (is_int($alias)) {
798 $replace_field = $field;
800 $replace_field = $alias;
803 $search = "/([^\.])`" . $field . "`/i";
804 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
805 $query = preg_replace($search, $replace, $query);
812 * @brief Update existing item entries
814 * @param array $fields The fields that are to be changed
815 * @param array $condition The condition for finding the item entries
817 * In the future we may have to change permissions as well.
818 * Then we had to add the user id as third parameter.
820 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
822 * @return integer|boolean number of affected rows - or "false" if there was an error
823 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
825 public static function update(array $fields, array $condition)
827 if (empty($condition) || empty($fields)) {
831 // To ensure the data integrity we do it in an transaction
834 // We cannot simply expand the condition to check for origin entries
835 // The condition needn't to be a simple array but could be a complex condition.
836 // And we have to execute this query before the update to ensure to fetch the same data.
837 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
839 $content_fields = [];
840 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
841 if (isset($fields[$field])) {
842 $content_fields[$field] = $fields[$field];
843 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
844 unset($fields[$field]);
846 $fields[$field] = null;
851 $delivery_data = ItemDeliveryData::extractFields($fields);
853 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
854 foreach ($clear_fields as $field) {
855 if (array_key_exists($field, $fields)) {
856 $fields[$field] = null;
860 if (array_key_exists('tag', $fields)) {
861 $tags = $fields['tag'];
862 $fields['tag'] = null;
867 if (array_key_exists('file', $fields)) {
868 $files = $fields['file'];
869 $fields['file'] = null;
874 if (!empty($fields)) {
875 $success = DBA::update('item', $fields, $condition);
884 // When there is no content for the "old" item table, this will count the fetched items
885 $rows = DBA::affectedRows();
889 while ($item = DBA::fetch($items)) {
890 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
891 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
893 if (empty($item['iaid'])) {
894 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
895 if (DBA::isResult($item_activity)) {
896 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
897 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
898 if (self::isLegacyMode()) {
899 $item_fields[$field] = null;
901 unset($item_fields[$field]);
904 DBA::update('item', $item_fields, ['id' => $item['id']]);
906 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
907 DBA::delete('item-content', ['id' => $item['icid']]);
910 } elseif (!empty($item['icid'])) {
911 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
913 if (!DBA::exists('item', ['icid' => $item['icid']])) {
914 DBA::delete('item-content', ['id' => $item['icid']]);
918 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
920 if (empty($item['icid'])) {
921 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
922 if (DBA::isResult($item_content)) {
923 $item_fields = ['icid' => $item_content['id']];
924 // Clear all fields in the item table that have a content in the item-content table
925 foreach ($item_content as $field => $content) {
926 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
927 if (self::isLegacyMode()) {
928 $item_fields[$field] = null;
930 unset($item_fields[$field]);
934 DBA::update('item', $item_fields, ['id' => $item['id']]);
939 if (!is_null($tags)) {
940 Term::insertFromTagFieldByItemId($item['id'], $tags);
941 if (!empty($item['tag'])) {
942 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
946 if (!is_null($files)) {
947 Term::insertFromFileFieldByItemId($item['id'], $files);
948 if (!empty($item['file'])) {
949 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
953 ItemDeliveryData::update($item['id'], $delivery_data);
955 self::updateThread($item['id']);
957 // We only need to notfiy others when it is an original entry from us.
958 // Only call the notifier when the item has some content relevant change.
959 if ($item['origin'] && in_array('edited', array_keys($fields))) {
960 $notify_items[] = $item['id'];
967 foreach ($notify_items as $notify_item) {
968 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
975 * @brief Delete an item and notify others about it - if it was ours
977 * @param array $condition The condition for finding the item entries
978 * @param integer $priority Priority for the notification
979 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
981 public static function delete($condition, $priority = PRIORITY_HIGH)
983 $items = self::select(['id'], $condition);
984 while ($item = self::fetch($items)) {
985 self::deleteById($item['id'], $priority);
991 * @brief Delete an item for an user and notify others about it - if it was ours
993 * @param array $condition The condition for finding the item entries
994 * @param integer $uid User who wants to delete this item
995 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
997 public static function deleteForUser($condition, $uid)
1003 $items = self::select(['id', 'uid'], $condition);
1004 while ($item = self::fetch($items)) {
1005 // "Deleting" global items just means hiding them
1006 if ($item['uid'] == 0) {
1007 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1008 } elseif ($item['uid'] == $uid) {
1009 self::deleteById($item['id'], PRIORITY_HIGH);
1011 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1018 * @brief Delete an item and notify others about it - if it was ours
1020 * @param integer $item_id Item ID that should be delete
1021 * @param integer $priority Priority for the notification
1023 * @return boolean success
1024 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1026 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1028 // locate item to be deleted
1029 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1030 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1031 'verb', 'object-type', 'object', 'target', 'contact-id',
1032 'icid', 'iaid', 'psid'];
1033 $item = self::selectFirst($fields, ['id' => $item_id]);
1034 if (!DBA::isResult($item)) {
1035 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1039 if ($item['deleted']) {
1040 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1044 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1045 if (!DBA::isResult($parent)) {
1046 $parent = ['origin' => false];
1049 // clean up categories and tags so they don't end up as orphans
1052 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1055 foreach ($matches as $mtch) {
1056 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1062 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1065 foreach ($matches as $mtch) {
1066 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1071 * If item is a link to a photo resource, nuke all the associated photos
1072 * (visitors will not have photo resources)
1073 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1074 * generate a resource-id and therefore aren't intimately linked to the item.
1076 /// @TODO: this should first check if photo is used elsewhere
1077 if (strlen($item['resource-id'])) {
1078 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1081 // If item is a link to an event, delete the event.
1082 if (intval($item['event-id'])) {
1083 Event::delete($item['event-id']);
1086 // If item has attachments, drop them
1087 /// @TODO: this should first check if attachment is used elsewhere
1088 foreach (explode(",", $item['attach']) as $attach) {
1089 preg_match("|attach/(\d+)|", $attach, $matches);
1090 if (is_array($matches) && count($matches) > 1) {
1091 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1095 // Delete tags that had been attached to other items
1096 self::deleteTagsFromItem($item);
1098 // Set the item to "deleted"
1099 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1100 DBA::update('item', $item_fields, ['id' => $item['id']]);
1102 Term::insertFromTagFieldByItemId($item['id'], '');
1103 Term::insertFromFileFieldByItemId($item['id'], '');
1104 self::deleteThread($item['id'], $item['parent-uri']);
1106 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1107 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1110 ItemDeliveryData::delete($item['id']);
1112 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1114 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1115 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1117 // When the permission set will be used in photo and events as well,
1118 // this query here needs to be extended.
1119 // @todo Currently deactivated. We need the permission set in the deletion process.
1120 // This is a reminder to add the removal somewhere else.
1121 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1122 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1125 // If it's the parent of a comment thread, kill all the kids
1126 if ($item['id'] == $item['parent']) {
1127 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1130 // Is it our comment and/or our thread?
1131 if ($item['origin'] || $parent['origin']) {
1133 // When we delete the original post we will delete all existing copies on the server as well
1134 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1136 // send the notification upstream/downstream
1137 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1138 } elseif ($item['uid'] != 0) {
1140 // When we delete just our local user copy of an item, we have to set a marker to hide it
1141 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1142 if (DBA::isResult($global_item)) {
1143 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1147 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1152 private static function deleteTagsFromItem($item)
1154 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1158 $xo = XML::parseString($item["object"], false);
1159 $xt = XML::parseString($item["target"], false);
1161 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1165 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1166 if (!DBA::isResult($i)) {
1170 // For tags, the owner cannot remove the tag on the author's copy of the post.
1171 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1172 $author_copy = $item["origin"];
1174 if (($owner_remove && $author_copy) || !$owner_remove) {
1178 $tags = explode(',', $i["tag"]);
1181 foreach ($tags as $tag) {
1182 if (trim($tag) !== trim($xo->body)) {
1183 $newtags[] = trim($tag);
1187 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1190 private static function guid($item, $notify)
1192 if (!empty($item['guid'])) {
1193 return Strings::escapeTags(trim($item['guid']));
1197 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1198 // We add the hash of our own host because our host is the original creator of the post.
1199 $prefix_host = \get_app()->getHostName();
1203 // We are only storing the post so we create a GUID from the original hostname.
1204 if (!empty($item['author-link'])) {
1205 $parsed = parse_url($item['author-link']);
1206 if (!empty($parsed['host'])) {
1207 $prefix_host = $parsed['host'];
1211 if (empty($prefix_host) && !empty($item['plink'])) {
1212 $parsed = parse_url($item['plink']);
1213 if (!empty($parsed['host'])) {
1214 $prefix_host = $parsed['host'];
1218 if (empty($prefix_host) && !empty($item['uri'])) {
1219 $parsed = parse_url($item['uri']);
1220 if (!empty($parsed['host'])) {
1221 $prefix_host = $parsed['host'];
1225 // Is it in the format data@host.tld? - Used for mail contacts
1226 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1227 $mailparts = explode('@', $item['author-link']);
1228 $prefix_host = array_pop($mailparts);
1232 if (!empty($item['plink'])) {
1233 $guid = self::guidFromUri($item['plink'], $prefix_host);
1234 } elseif (!empty($item['uri'])) {
1235 $guid = self::guidFromUri($item['uri'], $prefix_host);
1237 $guid = System::createUUID(hash('crc32', $prefix_host));
1243 private static function contactId($item)
1245 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1246 return $item['contact-id'];
1247 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1248 return $item['contact-id'];
1249 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1250 return $item['author-id'];
1251 } elseif (!empty($item['contact-id'])) {
1252 return $item['contact-id'];
1254 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1255 if (!empty($contact_id)) {
1259 return $item['author-id'];
1262 // This function will finally cover most of the preparation functionality in mod/item.php
1263 public static function prepare(&$item)
1266 * @TODO: Unused code triggering inspection errors
1268 $data = BBCode::getAttachmentData($item['body']);
1269 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1270 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1271 $posttype = Item::PT_PAGE;
1272 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1278 * Write an item array into a spool file to be inserted later.
1279 * This command is called whenever there are issues storing an item.
1281 * @param array $item The item fields that are to be inserted
1282 * @throws \Exception
1284 private static function spool($orig_item)
1286 // Now we store the data in the spool directory
1287 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1288 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1290 $spoolpath = get_spoolpath();
1291 if ($spoolpath != "") {
1292 $spool = $spoolpath . '/' . $file;
1294 file_put_contents($spool, json_encode($orig_item));
1295 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1299 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1303 $priority = PRIORITY_HIGH;
1305 // If it is a posting where users should get notifications, then define it as wall posting
1308 $item['origin'] = 1;
1309 $item['network'] = Protocol::DFRN;
1310 $item['protocol'] = Conversation::PARCEL_DFRN;
1312 if (is_int($notify)) {
1313 $priority = $notify;
1316 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1319 $item['guid'] = self::guid($item, $notify);
1320 $item['uri'] = Strings::escapeTags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1323 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1325 // Store conversation data
1326 $item = Conversation::insert($item);
1329 * If a Diaspora signature structure was passed in, pull it out of the
1330 * item array and set it aside for later storage.
1334 if (isset($item['dsprsig'])) {
1335 $encoded_signature = $item['dsprsig'];
1336 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1337 unset($item['dsprsig']);
1340 $diaspora_signed_text = '';
1341 if (isset($item['diaspora_signed_text'])) {
1342 $diaspora_signed_text = $item['diaspora_signed_text'];
1343 unset($item['diaspora_signed_text']);
1346 // Converting the plink
1347 /// @TODO Check if this is really still needed
1348 if ($item['network'] == Protocol::OSTATUS) {
1349 if (isset($item['plink'])) {
1350 $item['plink'] = OStatus::convertHref($item['plink']);
1351 } elseif (isset($item['uri'])) {
1352 $item['plink'] = OStatus::convertHref($item['uri']);
1356 if (!empty($item['thr-parent'])) {
1357 $item['parent-uri'] = $item['thr-parent'];
1360 if (isset($item['gravity'])) {
1361 $item['gravity'] = intval($item['gravity']);
1362 } elseif ($item['parent-uri'] === $item['uri']) {
1363 $item['gravity'] = GRAVITY_PARENT;
1364 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1365 $item['gravity'] = GRAVITY_COMMENT;
1366 } elseif (activity_match($item['verb'], ACTIVITY_FOLLOW)) {
1367 $item['gravity'] = GRAVITY_ACTIVITY;
1369 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1370 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1373 $uid = intval($item['uid']);
1375 // check for create date and expire time
1376 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1378 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1379 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1380 $expire_interval = $user['expire'];
1383 if (($expire_interval > 0) && !empty($item['created'])) {
1384 $expire_date = time() - ($expire_interval * 86400);
1385 $created_date = strtotime($item['created']);
1386 if ($created_date < $expire_date) {
1387 Logger::notice('Item created before expiration interval.', [
1388 'created' => date('c', $created_date),
1389 'expired' => date('c', $expire_date),
1397 * Do we already have this item?
1398 * We have to check several networks since Friendica posts could be repeated
1399 * via OStatus (maybe Diasporsa as well)
1401 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1402 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1403 trim($item['uri']), $item['uid'],
1404 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1405 $existing = self::selectFirst(['id', 'network'], $condition);
1406 if (DBA::isResult($existing)) {
1407 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1409 Logger::notice('Item already existed for user', [
1410 'uri' => $item['uri'],
1412 'network' => $item['network'],
1413 'existing_id' => $existing["id"],
1414 'existing_network' => $existing["network"]
1418 return $existing["id"];
1422 $item['wall'] = intval(defaults($item, 'wall', 0));
1423 $item['extid'] = trim(defaults($item, 'extid', ''));
1424 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1425 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1426 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1427 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1428 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1429 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1430 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1431 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1432 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1433 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1434 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1435 $item['title'] = trim(defaults($item, 'title', ''));
1436 $item['location'] = trim(defaults($item, 'location', ''));
1437 $item['coord'] = trim(defaults($item, 'coord', ''));
1438 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1439 $item['deleted'] = 0;
1440 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1441 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1442 $item['verb'] = trim(defaults($item, 'verb', ''));
1443 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1444 $item['object'] = trim(defaults($item, 'object', ''));
1445 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1446 $item['target'] = trim(defaults($item, 'target', ''));
1447 $item['plink'] = trim(defaults($item, 'plink', ''));
1448 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1449 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1450 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1451 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1452 $item['private'] = intval(defaults($item, 'private', 0));
1453 $item['body'] = trim(defaults($item, 'body', ''));
1454 $item['tag'] = trim(defaults($item, 'tag', ''));
1455 $item['attach'] = trim(defaults($item, 'attach', ''));
1456 $item['app'] = trim(defaults($item, 'app', ''));
1457 $item['origin'] = intval(defaults($item, 'origin', 0));
1458 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1459 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1460 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1461 $item['inform'] = trim(defaults($item, 'inform', ''));
1462 $item['file'] = trim(defaults($item, 'file', ''));
1464 // When there is no content then we don't post it
1465 if ($item['body'].$item['title'] == '') {
1466 Logger::notice('No body, no title.');
1470 self::addLanguageToItemArray($item);
1472 // Items cannot be stored before they happen ...
1473 if ($item['created'] > DateTimeFormat::utcNow()) {
1474 $item['created'] = DateTimeFormat::utcNow();
1477 // We haven't invented time travel by now.
1478 if ($item['edited'] > DateTimeFormat::utcNow()) {
1479 $item['edited'] = DateTimeFormat::utcNow();
1482 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1484 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1485 'photo' => $item['author-avatar'], 'network' => $item['network']];
1487 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item['author-link'], 0, false, $default));
1489 if (Contact::isBlocked($item['author-id'])) {
1490 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1494 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1495 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1499 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1500 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1504 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1505 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1507 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item['owner-link'], 0, false, $default));
1509 if (Contact::isBlocked($item['owner-id'])) {
1510 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1514 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1515 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1519 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1520 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1524 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1525 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1526 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1530 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1531 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1535 // We don't store the causer, we only have it here for the checks above
1536 unset($item['causer-id']);
1537 unset($item['causer-link']);
1539 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1540 $item["contact-id"] = self::contactId($item);
1542 if ($item['network'] == Protocol::PHANTOM) {
1543 $item['network'] = Protocol::DFRN;
1544 Logger::notice('Missing network, setting to {network}.', [
1545 'uri' => $item["uri"],
1546 'network' => $item['network'],
1547 'callstack' => System::callstack()
1551 // Checking if there is already an item with the same guid
1552 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1553 if (self::exists($condition)) {
1554 Logger::notice('Found already existing item', [
1555 'guid' => $item['guid'],
1556 'uid' => $item['uid'],
1557 'network' => $item['network']
1562 if ($item['verb'] == ACTIVITY_FOLLOW) {
1563 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1564 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1565 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1569 $condition = ['verb' => ACTIVITY_FOLLOW, 'uid' => $item['uid'],
1570 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1571 if (self::exists($condition)) {
1572 // It happens that we receive multiple follow requests by the same author - we only store one.
1573 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1578 // Check for hashtags in the body and repair or add hashtag links
1579 self::setHashtags($item);
1581 $item['thr-parent'] = $item['parent-uri'];
1583 $notify_type = Delivery::POST;
1589 if ($item['parent-uri'] === $item['uri']) {
1591 $parent_deleted = 0;
1592 $allow_cid = $item['allow_cid'];
1593 $allow_gid = $item['allow_gid'];
1594 $deny_cid = $item['deny_cid'];
1595 $deny_gid = $item['deny_gid'];
1597 // find the parent and snarf the item id and ACLs
1598 // and anything else we need to inherit
1600 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1601 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1602 'wall', 'private', 'forum_mode', 'origin'];
1603 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1604 $params = ['order' => ['id' => false]];
1605 $parent = self::selectFirst($fields, $condition, $params);
1607 if (DBA::isResult($parent)) {
1608 // is the new message multi-level threaded?
1609 // even though we don't support it now, preserve the info
1610 // and re-attach to the conversation parent.
1612 if ($parent['uri'] != $parent['parent-uri']) {
1613 $item['parent-uri'] = $parent['parent-uri'];
1615 $condition = ['uri' => $item['parent-uri'],
1616 'parent-uri' => $item['parent-uri'],
1617 'uid' => $item['uid']];
1618 $params = ['order' => ['id' => false]];
1619 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1621 if (DBA::isResult($toplevel_parent)) {
1622 $parent = $toplevel_parent;
1626 $parent_id = $parent['id'];
1627 $parent_deleted = $parent['deleted'];
1628 $allow_cid = $parent['allow_cid'];
1629 $allow_gid = $parent['allow_gid'];
1630 $deny_cid = $parent['deny_cid'];
1631 $deny_gid = $parent['deny_gid'];
1632 $item['wall'] = $parent['wall'];
1635 * If the parent is private, force privacy for the entire conversation
1636 * This differs from the above settings as it subtly allows comments from
1637 * email correspondents to be private even if the overall thread is not.
1639 if ($parent['private']) {
1640 $item['private'] = $parent['private'];
1644 * Edge case. We host a public forum that was originally posted to privately.
1645 * The original author commented, but as this is a comment, the permissions
1646 * weren't fixed up so it will still show the comment as private unless we fix it here.
1648 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1649 $item['private'] = 0;
1652 // If its a post that originated here then tag the thread as "mention"
1653 if ($item['origin'] && $item['uid']) {
1654 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1655 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1659 * Allow one to see reply tweets from status.net even when
1660 * we don't have or can't see the original post.
1662 if ($force_parent) {
1663 Logger::log('$force_parent=true, reply converted to top-level post.');
1665 $item['parent-uri'] = $item['uri'];
1666 $item['gravity'] = GRAVITY_PARENT;
1668 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1672 $parent_deleted = 0;
1676 if (stristr($item['verb'], ACTIVITY_POKE)) {
1677 $notify_type = Delivery::POKE;
1680 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1681 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1683 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1684 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1685 if (self::exists($condition)) {
1686 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1690 // On Friendica and Diaspora the GUID is unique
1691 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1692 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1693 if (self::exists($condition)) {
1694 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1697 } elseif ($item['network'] == Protocol::OSTATUS) {
1698 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1699 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1700 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1701 if (self::exists($condition)) {
1702 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1707 // Is this item available in the global items (with uid=0)?
1708 if ($item["uid"] == 0) {
1709 $item["global"] = true;
1711 // Set the global flag on all items if this was a global item entry
1712 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1714 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1718 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1721 $private = $item['private'];
1724 $item["allow_cid"] = $allow_cid;
1725 $item["allow_gid"] = $allow_gid;
1726 $item["deny_cid"] = $deny_cid;
1727 $item["deny_gid"] = $deny_gid;
1728 $item["private"] = $private;
1729 $item["deleted"] = $parent_deleted;
1731 // Fill the cache field
1732 self::putInCache($item);
1735 $item['edit'] = false;
1736 $item['parent'] = $parent_id;
1737 Hook::callAll('post_local', $item);
1738 unset($item['edit']);
1739 unset($item['parent']);
1741 Hook::callAll('post_remote', $item);
1744 // This array field is used to trigger some automatic reactions
1745 // It is mainly used in the "post_local" hook.
1746 unset($item['api_source']);
1748 if (!empty($item['cancel'])) {
1749 Logger::log('post cancelled by addon.');
1754 * Check for already added items.
1755 * There is a timing issue here that sometimes creates double postings.
1756 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1758 if ($item["uid"] == 0) {
1759 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1760 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1765 Logger::log('' . print_r($item,true), Logger::DATA);
1767 if (array_key_exists('tag', $item)) {
1768 $tags = $item['tag'];
1769 unset($item['tag']);
1774 if (array_key_exists('file', $item)) {
1775 $files = $item['file'];
1776 unset($item['file']);
1781 // Creates or assigns the permission set
1782 $item['psid'] = PermissionSet::fetchIDForPost($item);
1784 // We are doing this outside of the transaction to avoid timing problems
1785 if (!self::insertActivity($item)) {
1786 self::insertContent($item);
1789 $delivery_data = ItemDeliveryData::extractFields($item);
1791 unset($item['postopts']);
1792 unset($item['inform']);
1794 // These fields aren't stored anymore in the item table, they are fetched upon request
1795 unset($item['author-link']);
1796 unset($item['author-name']);
1797 unset($item['author-avatar']);
1798 unset($item['author-network']);
1800 unset($item['owner-link']);
1801 unset($item['owner-name']);
1802 unset($item['owner-avatar']);
1804 $like_no_comment = Config::get('system', 'like_no_comment');
1807 $ret = DBA::insert('item', $item);
1809 // When the item was successfully stored we fetch the ID of the item.
1810 if (DBA::isResult($ret)) {
1811 $current_post = DBA::lastInsertId();
1813 // This can happen - for example - if there are locking timeouts.
1816 // Store the data into a spool file so that we can try again later.
1817 self::spool($orig_item);
1821 if ($current_post == 0) {
1822 // This is one of these error messages that never should occur.
1823 Logger::log("couldn't find created item - we better quit now.");
1828 // How much entries have we created?
1829 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1830 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1833 // There are duplicates. We delete our just created entry.
1834 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1836 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1837 DBA::delete('item', ['id' => $current_post]);
1840 } elseif ($entries == 0) {
1841 // This really should never happen since we quit earlier if there were problems.
1842 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1847 Logger::log('created item '.$current_post);
1849 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1850 $parent_id = $current_post;
1854 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1856 $item['id'] = $current_post;
1857 $item['parent'] = $parent_id;
1859 // update the commented timestamp on the parent
1860 // Only update "commented" if it is really a comment
1861 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1862 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1864 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1869 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1870 * We can check for this condition when we decode and encode the stuff again.
1872 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1873 $dsprsig->signature = base64_decode($dsprsig->signature);
1874 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1877 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1878 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1880 // The other fields are used by very old Friendica servers, so we currently store them differently
1881 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1882 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1886 if (!empty($diaspora_signed_text)) {
1887 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1890 if ($item['parent-uri'] === $item['uri']) {
1891 self::addThread($current_post);
1893 self::updateThread($parent_id);
1896 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1897 ItemDeliveryData::insert($current_post, $delivery_data);
1903 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1904 * This is not perfect - but a workable solution until we found the reason for the problem.
1906 if (!empty($tags)) {
1907 Term::insertFromTagFieldByItemId($current_post, $tags);
1910 if (!empty($files)) {
1911 Term::insertFromFileFieldByItemId($current_post, $files);
1914 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1915 if (self::tagDeliver($item['uid'], $current_post)) {
1916 // Get the user information for the logging
1917 $user = User::getById($uid);
1919 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1924 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1925 if (DBA::isResult($posted_item)) {
1927 Hook::callAll('post_local_end', $posted_item);
1929 Hook::callAll('post_remote_end', $posted_item);
1932 Logger::log('new item not found in DB, id ' . $current_post);
1936 if ($item['parent-uri'] === $item['uri']) {
1937 self::addShadow($current_post);
1939 self::addShadowPost($current_post);
1942 self::updateContact($item);
1944 check_user_notification($current_post);
1946 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
1947 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1950 return $current_post;
1954 * @brief Insert a new item content entry
1956 * @param array $item The item fields that are to be inserted
1958 * @throws \Exception
1960 private static function insertActivity(&$item)
1962 $activity_index = self::activityToIndex($item['verb']);
1964 if ($activity_index < 0) {
1968 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1970 // We just remove everything that is content
1971 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1972 unset($item[$field]);
1975 // To avoid timing problems, we are using locks.
1976 $locked = Lock::acquire('item_insert_activity');
1978 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1981 // Do we already have this content?
1982 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1983 if (DBA::isResult($item_activity)) {
1984 $item['iaid'] = $item_activity['id'];
1985 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1986 } elseif (DBA::insert('item-activity', $fields)) {
1987 $item['iaid'] = DBA::lastInsertId();
1988 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1990 // This shouldn't happen.
1991 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1992 Lock::release('item_insert_activity');
1996 Lock::release('item_insert_activity');
2002 * @brief Insert a new item content entry
2004 * @param array $item The item fields that are to be inserted
2005 * @throws \Exception
2007 private static function insertContent(&$item)
2009 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2011 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2012 if (isset($item[$field])) {
2013 $fields[$field] = $item[$field];
2014 unset($item[$field]);
2018 // To avoid timing problems, we are using locks.
2019 $locked = Lock::acquire('item_insert_content');
2021 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2024 // Do we already have this content?
2025 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2026 if (DBA::isResult($item_content)) {
2027 $item['icid'] = $item_content['id'];
2028 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2029 } elseif (DBA::insert('item-content', $fields)) {
2030 $item['icid'] = DBA::lastInsertId();
2031 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2033 // This shouldn't happen.
2034 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2037 Lock::release('item_insert_content');
2042 * @brief Update existing item content entries
2044 * @param array $item The item fields that are to be changed
2045 * @param array $condition The condition for finding the item content entries
2047 * @throws \Exception
2049 private static function updateActivity($item, $condition)
2051 if (empty($item['verb'])) {
2054 $activity_index = self::activityToIndex($item['verb']);
2056 if ($activity_index < 0) {
2060 $fields = ['activity' => $activity_index];
2062 Logger::log('Update activity for ' . json_encode($condition));
2064 DBA::update('item-activity', $fields, $condition, true);
2070 * @brief Update existing item content entries
2072 * @param array $item The item fields that are to be changed
2073 * @param array $condition The condition for finding the item content entries
2074 * @throws \Exception
2076 private static function updateContent($item, $condition)
2078 // We have to select only the fields from the "item-content" table
2080 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2081 if (isset($item[$field])) {
2082 $fields[$field] = $item[$field];
2086 if (empty($fields)) {
2087 // when there are no fields at all, just use the condition
2088 // This is to ensure that we always store content.
2089 $fields = $condition;
2092 Logger::log('Update content for ' . json_encode($condition));
2094 DBA::update('item-content', $fields, $condition, true);
2098 * @brief Distributes public items to the receivers
2100 * @param integer $itemid Item ID that should be added
2101 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2102 * @throws \Exception
2104 public static function distribute($itemid, $signed_text = '')
2106 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2107 $parent = self::selectFirst(['owner-id'], $condition);
2108 if (!DBA::isResult($parent)) {
2112 // Only distribute public items from native networks
2113 $condition = ['id' => $itemid, 'uid' => 0,
2114 'network' => array_merge(Protocol::FEDERATED ,['']),
2115 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2116 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2117 if (!DBA::isResult($item)) {
2121 $origin = $item['origin'];
2124 unset($item['parent']);
2125 unset($item['mention']);
2126 unset($item['wall']);
2127 unset($item['origin']);
2128 unset($item['starred']);
2132 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2133 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2134 if (!DBA::isResult($owner)) {
2138 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2139 $contacts = DBA::select('contact', ['uid'], $condition);
2140 while ($contact = DBA::fetch($contacts)) {
2141 if ($contact['uid'] == 0) {
2145 $users[$contact['uid']] = $contact['uid'];
2147 DBA::close($contacts);
2149 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2150 $contacts = DBA::select('contact', ['uid'], $condition);
2151 while ($contact = DBA::fetch($contacts)) {
2152 if ($contact['uid'] == 0) {
2156 $users[$contact['uid']] = $contact['uid'];
2158 DBA::close($contacts);
2160 if (!empty($owner['alias'])) {
2161 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2162 $contacts = DBA::select('contact', ['uid'], $condition);
2163 while ($contact = DBA::fetch($contacts)) {
2164 if ($contact['uid'] == 0) {
2168 $users[$contact['uid']] = $contact['uid'];
2170 DBA::close($contacts);
2175 if ($item['uri'] != $item['parent-uri']) {
2176 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2177 while ($parent = self::fetch($parents)) {
2178 $users[$parent['uid']] = $parent['uid'];
2179 if ($parent['origin'] && !$origin) {
2180 $origin_uid = $parent['uid'];
2185 foreach ($users as $uid) {
2186 if ($origin_uid == $uid) {
2187 $item['diaspora_signed_text'] = $signed_text;
2189 self::storeForUser($itemid, $item, $uid);
2194 * @brief Store public items for the receivers
2196 * @param integer $itemid Item ID that should be added
2197 * @param array $item The item entry that will be stored
2198 * @param integer $uid The user that will receive the item entry
2199 * @throws \Exception
2201 private static function storeForUser($itemid, $item, $uid)
2203 $item['uid'] = $uid;
2204 $item['origin'] = 0;
2206 if ($item['uri'] == $item['parent-uri']) {
2207 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2209 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2212 if (empty($item['contact-id'])) {
2213 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2214 if (!DBA::isResult($self)) {
2217 $item['contact-id'] = $self['id'];
2220 /// @todo Handling of "event-id"
2223 if ($item['uri'] == $item['parent-uri']) {
2224 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2225 if (DBA::isResult($contact)) {
2226 $notify = self::isRemoteSelf($contact, $item);
2230 $distributed = self::insert($item, false, $notify, true);
2232 if (!$distributed) {
2233 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2235 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2240 * @brief Add a shadow entry for a given item id that is a thread starter
2242 * We store every public item entry additionally with the user id "0".
2243 * This is used for the community page and for the search.
2244 * It is planned that in the future we will store public item entries only once.
2246 * @param integer $itemid Item ID that should be added
2247 * @throws \Exception
2249 public static function addShadow($itemid)
2251 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2252 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2253 $item = self::selectFirst($fields, $condition);
2255 if (!DBA::isResult($item)) {
2259 // is it already a copy?
2260 if (($itemid == 0) || ($item['uid'] == 0)) {
2264 // Is it a visible public post?
2265 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2269 // is it an entry from a connector? Only add an entry for natively connected networks
2270 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2274 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2278 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2280 if (DBA::isResult($item)) {
2281 // Preparing public shadow (removing user specific data)
2284 unset($item['parent']);
2285 unset($item['wall']);
2286 unset($item['mention']);
2287 unset($item['origin']);
2288 unset($item['starred']);
2289 unset($item['postopts']);
2290 unset($item['inform']);
2291 if ($item['uri'] == $item['parent-uri']) {
2292 $item['contact-id'] = $item['owner-id'];
2294 $item['contact-id'] = $item['author-id'];
2297 $public_shadow = self::insert($item, false, false, true);
2299 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2304 * @brief Add a shadow entry for a given item id that is a comment
2306 * This function does the same like the function above - but for comments
2308 * @param integer $itemid Item ID that should be added
2309 * @throws \Exception
2311 public static function addShadowPost($itemid)
2313 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2314 if (!DBA::isResult($item)) {
2318 // Is it a toplevel post?
2319 if ($item['id'] == $item['parent']) {
2320 self::addShadow($itemid);
2324 // Is this a shadow entry?
2325 if ($item['uid'] == 0) {
2329 // Is there a shadow parent?
2330 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2334 // Is there already a shadow entry?
2335 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2339 // Save "origin" and "parent" state
2340 $origin = $item['origin'];
2341 $parent = $item['parent'];
2343 // Preparing public shadow (removing user specific data)
2346 unset($item['parent']);
2347 unset($item['wall']);
2348 unset($item['mention']);
2349 unset($item['origin']);
2350 unset($item['starred']);
2351 unset($item['postopts']);
2352 unset($item['inform']);
2353 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2355 $public_shadow = self::insert($item, false, false, true);
2357 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2359 // If this was a comment to a Diaspora post we don't get our comment back.
2360 // This means that we have to distribute the comment by ourselves.
2361 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2362 self::distribute($public_shadow);
2367 * Adds a language specification in a "language" element of given $arr.
2368 * Expects "body" element to exist in $arr.
2371 * @throws \Text_LanguageDetect_Exception
2373 private static function addLanguageToItemArray(&$item)
2375 $naked_body = BBCode::toPlaintext($item['body'], false);
2377 $ld = new Text_LanguageDetect();
2378 $ld->setNameMode(2);
2379 $languages = $ld->detect($naked_body, 3);
2381 if (is_array($languages)) {
2382 $item['language'] = json_encode($languages);
2387 * @brief Creates an unique guid out of a given uri
2389 * @param string $uri uri of an item entry
2390 * @param string $host hostname for the GUID prefix
2391 * @return string unique guid
2393 public static function guidFromUri($uri, $host)
2395 // Our regular guid routine is using this kind of prefix as well
2396 // We have to avoid that different routines could accidentally create the same value
2397 $parsed = parse_url($uri);
2399 // We use a hash of the hostname as prefix for the guid
2400 $guid_prefix = hash("crc32", $host);
2402 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2403 unset($parsed["scheme"]);
2405 // Glue it together to be able to make a hash from it
2406 $host_id = implode("/", $parsed);
2408 // We could use any hash algorithm since it isn't a security issue
2409 $host_hash = hash("ripemd128", $host_id);
2411 return $guid_prefix.$host_hash;
2415 * generate an unique URI
2417 * @param integer $uid User id
2418 * @param string $guid An existing GUID (Otherwise it will be generated)
2421 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2423 public static function newURI($uid, $guid = "")
2426 $guid = System::createUUID();
2429 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2433 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2435 * This can be used to filter for inactive contacts.
2436 * Only do this for public postings to avoid privacy problems, since poco data is public.
2437 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2439 * @param array $arr Contains the just posted item record
2440 * @throws \Exception
2442 private static function updateContact($arr)
2444 // Unarchive the author
2445 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2446 if (DBA::isResult($contact)) {
2447 Contact::unmarkForArchival($contact);
2450 // Unarchive the contact if it's not our own contact
2451 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2452 if (DBA::isResult($contact)) {
2453 Contact::unmarkForArchival($contact);
2456 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2458 // Is it a forum? Then we don't care about the rules from above
2459 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2460 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2466 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2467 ['id' => $arr['contact-id']]);
2469 // Now do the same for the system wide contacts with uid=0
2470 if (!$arr['private']) {
2471 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2472 ['id' => $arr['owner-id']]);
2474 if ($arr['owner-id'] != $arr['author-id']) {
2475 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2476 ['id' => $arr['author-id']]);
2481 public static function setHashtags(&$item)
2483 $tags = BBCode::getTags($item["body"]);
2486 if (!count($tags)) {
2490 // What happens in [code], stays in [code]!
2491 // escape the # and the [
2492 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2493 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2495 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2497 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2498 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2501 // This sorting is important when there are hashtags that are part of other hashtags
2502 // Otherwise there could be problems with hashtags like #test and #test2
2505 $URLSearchString = "^\[\]";
2507 // All hashtags should point to the home server if "local_tags" is activated
2508 if (Config::get('system', 'local_tags')) {
2509 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2510 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2512 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2513 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2516 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2517 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2519 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2522 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2524 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2527 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2529 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2532 // Repair recursive urls
2533 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2534 "#$2", $item["body"]);
2536 foreach ($tags as $tag) {
2537 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || $tag[1] == '#') {
2541 $basetag = str_replace('_',' ',substr($tag,1));
2542 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2544 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2546 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2547 if (strlen($item["tag"])) {
2548 $item["tag"] = ',' . $item["tag"];
2550 $item["tag"] = $newtag . $item["tag"];
2554 // Convert back the masked hashtags
2555 $item["body"] = str_replace("#", "#", $item["body"]);
2557 // Remember! What happens in [code], stays in [code]
2558 // roleback the # and [
2559 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2561 // we truly unESCape all sharp and leftsquarebracket
2562 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2563 $replace = ['#', '['];
2564 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2569 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2572 * @param int $item_id
2573 * @return boolean true if item was deleted, else false
2574 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2575 * @throws \ImagickException
2577 private static function tagDeliver($uid, $item_id)
2581 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2582 if (!DBA::isResult($user)) {
2586 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2587 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2589 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2590 if (!DBA::isResult($item)) {
2594 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2597 * Diaspora uses their own hardwired link URL in @-tags
2598 * instead of the one we supply with webfinger
2600 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2602 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2604 foreach ($matches as $mtch) {
2605 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2607 Logger::log('mention found: ' . $mtch[2]);
2613 if (($community_page || $prvgroup) &&
2614 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2615 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2617 Logger::log("no-mention top-level post to community or private group. delete.");
2618 DBA::delete('item', ['id' => $item_id]);
2624 $arr = ['item' => $item, 'user' => $user];
2626 Hook::callAll('tagged', $arr);
2628 if (!$community_page && !$prvgroup) {
2633 * tgroup delivery - setup a second delivery chain
2634 * prevent delivery looping - only proceed
2635 * if the message originated elsewhere and is a top-level post
2637 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2641 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2642 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2643 if (!DBA::isResult($self)) {
2647 $owner_id = Contact::getIdForURL($self['url']);
2649 // also reset all the privacy bits to the forum default permissions
2651 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2653 $psid = PermissionSet::fetchIDForPost($user);
2655 $forum_mode = ($prvgroup ? 2 : 1);
2657 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2658 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2659 self::update($fields, ['id' => $item_id]);
2661 self::updateThread($item_id);
2663 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2668 public static function isRemoteSelf($contact, &$datarray)
2672 if (!$contact['remote_self']) {
2676 // Prevent the forwarding of posts that are forwarded
2677 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2678 Logger::log('Already forwarded', Logger::DEBUG);
2682 // Prevent to forward already forwarded posts
2683 if ($datarray["app"] == $a->getHostName()) {
2684 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2688 // Only forward posts
2689 if ($datarray["verb"] != ACTIVITY_POST) {
2690 Logger::log('No post', Logger::DEBUG);
2694 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2695 Logger::log('Not public', Logger::DEBUG);
2699 $datarray2 = $datarray;
2700 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2701 if ($contact['remote_self'] == 2) {
2702 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2703 ['uid' => $contact['uid'], 'self' => true]);
2704 if (DBA::isResult($self)) {
2705 $datarray['contact-id'] = $self["id"];
2707 $datarray['owner-name'] = $self["name"];
2708 $datarray['owner-link'] = $self["url"];
2709 $datarray['owner-avatar'] = $self["thumb"];
2711 $datarray['author-name'] = $datarray['owner-name'];
2712 $datarray['author-link'] = $datarray['owner-link'];
2713 $datarray['author-avatar'] = $datarray['owner-avatar'];
2715 unset($datarray['edited']);
2717 unset($datarray['network']);
2718 unset($datarray['owner-id']);
2719 unset($datarray['author-id']);
2722 if ($contact['network'] != Protocol::FEED) {
2723 $datarray["guid"] = System::createUUID();
2724 unset($datarray["plink"]);
2725 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2726 $datarray["parent-uri"] = $datarray["uri"];
2727 $datarray["thr-parent"] = $datarray["uri"];
2728 $datarray["extid"] = Protocol::DFRN;
2729 $urlpart = parse_url($datarray2['author-link']);
2730 $datarray["app"] = $urlpart["host"];
2732 $datarray['private'] = 0;
2736 if ($contact['network'] != Protocol::FEED) {
2737 // Store the original post
2738 $result = self::insert($datarray2, false, false);
2739 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2741 $datarray["app"] = "Feed";
2745 // Trigger automatic reactions for addons
2746 $datarray['api_source'] = true;
2748 // We have to tell the hooks who we are - this really should be improved
2749 $_SESSION["authenticated"] = true;
2750 $_SESSION["uid"] = $contact['uid'];
2759 * @param array $item
2762 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2763 * @throws \ImagickException
2765 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2767 if (Config::get('system', 'disable_embedded')) {
2771 Logger::log('check for photos', Logger::DEBUG);
2772 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2777 $img_start = strpos($orig_body, '[img');
2778 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2779 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2781 while (($img_st_close !== false) && ($img_len !== false)) {
2782 $img_st_close++; // make it point to AFTER the closing bracket
2783 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2785 Logger::log('found photo ' . $image, Logger::DEBUG);
2787 if (stristr($image, $site . '/photo/')) {
2788 // Only embed locally hosted photos
2790 $i = basename($image);
2791 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2792 $x = strpos($i, '-');
2795 $res = substr($i, $x + 1);
2796 $i = substr($i, 0, $x);
2797 $photo = Photo::getPhotoForUser($uid, $i, $res);
2798 if (DBA::isResult($photo)) {
2800 * Check to see if we should replace this photo link with an embedded image
2801 * 1. No need to do so if the photo is public
2802 * 2. If there's a contact-id provided, see if they're in the access list
2803 * for the photo. If so, embed it.
2804 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2805 * permissions, regardless of order but first check to see if they're an exact
2806 * match to save some processing overhead.
2808 if (self::hasPermissions($photo)) {
2810 $recips = self::enumeratePermissions($photo);
2811 if (in_array($cid, $recips)) {
2815 if (self::samePermissions($uid, $item, $photo)) {
2821 $photo_img = Photo::getImageForPhoto($photo);
2822 // If a custom width and height were specified, apply before embedding
2823 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2824 Logger::log('scaling photo', Logger::DEBUG);
2826 $width = intval($match[1]);
2827 $height = intval($match[2]);
2829 $photo_img->scaleDown(max($width, $height));
2832 $data = $photo_img->asString();
2833 $type = $photo_img->getType();
2835 Logger::log('replacing photo', Logger::DEBUG);
2836 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2837 Logger::log('replaced: ' . $image, Logger::DATA);
2843 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2844 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2845 if ($orig_body === false) {
2849 $img_start = strpos($orig_body, '[img');
2850 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2851 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2854 $new_body = $new_body . $orig_body;
2859 private static function hasPermissions($obj)
2861 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2862 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2865 private static function samePermissions($uid, $obj1, $obj2)
2867 // first part is easy. Check that these are exactly the same.
2868 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2869 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2870 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2871 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2875 // This is harder. Parse all the permissions and compare the resulting set.
2876 $recipients1 = self::enumeratePermissions($obj1);
2877 $recipients2 = self::enumeratePermissions($obj2);
2881 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2882 return ($recipients1 == $recipients2);
2886 * Returns an array of contact-ids that are allowed to see this object
2888 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2889 * @param bool $check_dead Prunes unavailable contacts from the result
2891 * @throws \Exception
2893 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2895 $allow_people = expand_acl($obj['allow_cid']);
2896 $allow_groups = Group::expand($obj['uid'], expand_acl($obj['allow_gid']), $check_dead);
2897 $deny_people = expand_acl($obj['deny_cid']);
2898 $deny_groups = Group::expand($obj['uid'], expand_acl($obj['deny_gid']), $check_dead);
2899 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2900 $deny = array_unique(array_merge($deny_people, $deny_groups));
2901 $recipients = array_diff($recipients, $deny);
2905 public static function getFeedTags($item)
2909 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2911 for ($x = 0; $x < $cnt; $x ++) {
2912 if ($matches[1][$x]) {
2913 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2918 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2920 for ($x = 0; $x < $cnt; $x ++) {
2921 if ($matches[1][$x]) {
2922 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2929 public static function expire($uid, $days, $network = "", $force = false)
2931 if (!$uid || ($days < 1)) {
2935 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2936 $uid, GRAVITY_PARENT];
2939 * $expire_network_only = save your own wall posts
2940 * and just expire conversations started by others
2942 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2944 if ($expire_network_only) {
2945 $condition[0] .= " AND NOT `wall`";
2948 if ($network != "") {
2949 $condition[0] .= " AND `network` = ?";
2950 $condition[] = $network;
2953 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2954 $condition[] = $days;
2956 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2958 if (!DBA::isResult($items)) {
2962 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2964 // Forcing expiring of items - but not notes and marked items
2966 $expire_items = true;
2969 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2970 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2971 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2975 while ($item = Item::fetch($items)) {
2976 // don't expire filed items
2978 if (strpos($item['file'], '[') !== false) {
2982 // Only expire posts, not photos and photo comments
2984 if (!$expire_photos && strlen($item['resource-id'])) {
2986 } elseif (!$expire_starred && intval($item['starred'])) {
2988 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2990 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2994 self::deleteById($item['id'], PRIORITY_LOW);
2999 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3002 public static function firstPostDate($uid, $wall = false)
3004 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3005 $params = ['order' => ['received' => false]];
3006 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3007 if (DBA::isResult($thread)) {
3008 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3014 * @brief add/remove activity to an item
3016 * Toggle activities as like,dislike,attend of an item
3018 * @param string $item_id
3019 * @param string $verb
3020 * Activity verb. One of
3021 * like, unlike, dislike, undislike, attendyes, unattendyes,
3022 * attendno, unattendno, attendmaybe, unattendmaybe
3024 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3025 * @throws \ImagickException
3026 * @hook 'post_local_end'
3028 * 'post_id' => ID of posted item
3030 public static function performLike($item_id, $verb)
3032 if (!Session::isAuthenticated()) {
3039 $activity = ACTIVITY_LIKE;
3043 $activity = ACTIVITY_DISLIKE;
3047 $activity = ACTIVITY_ATTEND;
3051 $activity = ACTIVITY_ATTENDNO;
3054 case 'unattendmaybe':
3055 $activity = ACTIVITY_ATTENDMAYBE;
3058 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3062 // Enable activity toggling instead of on/off
3063 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3065 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3067 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3068 if (!DBA::isResult($item)) {
3069 Logger::log('like: unknown item ' . $item_id);
3073 $item_uri = $item['uri'];
3075 $uid = $item['uid'];
3076 if (($uid == 0) && local_user()) {
3077 $uid = local_user();
3080 if (!Security::canWriteToUserWall($uid)) {
3081 Logger::log('like: unable to write on wall ' . $uid);
3085 // Retrieves the local post owner
3086 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3087 if (!DBA::isResult($owner_self_contact)) {
3088 Logger::log('like: unknown owner ' . $uid);
3092 // Retrieve the current logged in user's public contact
3093 $author_id = public_contact();
3095 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3096 if (!DBA::isResult($author_contact)) {
3097 Logger::log('like: unknown author ' . $author_id);
3101 // Contact-id is the uid-dependant author contact
3102 if (local_user() == $uid) {
3103 $item_contact_id = $owner_self_contact['id'];
3105 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3106 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3107 if (!DBA::isResult($item_contact)) {
3108 Logger::log('like: unknown item contact ' . $item_contact_id);
3113 // Look for an existing verb row
3114 // event participation are essentially radio toggles. If you make a subsequent choice,
3115 // we need to eradicate your first choice.
3116 if ($event_verb_flag) {
3117 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3119 // Translate to the index based activity index
3121 foreach ($verbs as $verb) {
3122 $activities[] = self::activityToIndex($verb);
3125 $activities = self::activityToIndex($activity);
3128 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3129 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3131 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3133 // If it exists, mark it as deleted
3134 if (DBA::isResult($like_item)) {
3135 self::deleteById($like_item['id']);
3137 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3142 // Verb is "un-something", just trying to delete existing entries
3143 if (strpos($verb, 'un') === 0) {
3147 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3150 'guid' => System::createUUID(),
3151 'uri' => self::newURI($item['uid']),
3152 'uid' => $item['uid'],
3153 'contact-id' => $item_contact_id,
3154 'wall' => $item['wall'],
3156 'network' => Protocol::DFRN,
3157 'gravity' => GRAVITY_ACTIVITY,
3158 'parent' => $item['id'],
3159 'parent-uri' => $item['uri'],
3160 'thr-parent' => $item['uri'],
3161 'owner-id' => $author_id,
3162 'author-id' => $author_id,
3163 'body' => $activity,
3164 'verb' => $activity,
3165 'object-type' => $objtype,
3166 'allow_cid' => $item['allow_cid'],
3167 'allow_gid' => $item['allow_gid'],
3168 'deny_cid' => $item['deny_cid'],
3169 'deny_gid' => $item['deny_gid'],
3174 $signed = Diaspora::createLikeSignature($uid, $new_item);
3175 if (!empty($signed)) {
3176 $new_item['diaspora_signed_text'] = json_encode($signed);
3179 $new_item_id = self::insert($new_item);
3181 // If the parent item isn't visible then set it to visible
3182 if (!$item['visible']) {
3183 self::update(['visible' => true], ['id' => $item['id']]);
3186 $new_item['id'] = $new_item_id;
3188 Hook::callAll('post_local_end', $new_item);
3193 private static function addThread($itemid, $onlyshadow = false)
3195 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3196 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3197 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3198 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3199 $item = self::selectFirst($fields, $condition);
3201 if (!DBA::isResult($item)) {
3205 $item['iid'] = $itemid;
3208 $result = DBA::insert('thread', $item);
3210 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3214 private static function updateThread($itemid, $setmention = false)
3216 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3217 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3218 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3219 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3221 $item = self::selectFirst($fields, $condition);
3222 if (!DBA::isResult($item)) {
3227 $item["mention"] = 1;
3232 foreach ($item as $field => $data) {
3233 if (!in_array($field, ["guid"])) {
3234 $fields[$field] = $data;
3238 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3240 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3243 private static function deleteThread($itemid, $itemuri = "")
3245 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3246 if (!DBA::isResult($item)) {
3247 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3251 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3253 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3255 if ($itemuri != "") {
3256 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3257 if (!self::exists($condition)) {
3258 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3259 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3264 public static function getPermissionsSQLByUserId($owner_id)
3266 $local_user = local_user();
3267 $remote_user = Session::getRemoteContactID($owner_id);
3270 * Construct permissions
3272 * default permissions - anonymous user
3274 $sql = " AND NOT `item`.`private`";
3276 // Profile owner - everything is visible
3277 if ($local_user && ($local_user == $owner_id)) {
3279 } elseif ($remote_user) {
3281 * Authenticated visitor. Unless pre-verified,
3282 * check that the contact belongs to this $owner_id
3283 * and load the groups the visitor belongs to.
3284 * If pre-verified, the caller is expected to have already
3285 * done this and passed the groups into this function.
3287 $set = PermissionSet::get($owner_id, $remote_user);
3290 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3295 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3302 * get translated item type
3307 public static function postType($item)
3309 if (!empty($item['event-id'])) {
3310 return L10n::t('event');
3311 } elseif (!empty($item['resource-id'])) {
3312 return L10n::t('photo');
3313 } elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
3314 return L10n::t('activity');
3315 } elseif ($item['id'] != $item['parent']) {
3316 return L10n::t('comment');
3319 return L10n::t('post');
3323 * Sets the "rendered-html" field of the provided item
3325 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3327 * @param array $item
3328 * @param bool $update
3330 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3331 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3333 public static function putInCache(&$item, $update = false)
3335 $body = $item["body"];
3337 $rendered_hash = defaults($item, 'rendered-hash', '');
3338 $rendered_html = defaults($item, 'rendered-html', '');
3340 if ($rendered_hash == ''
3341 || $rendered_html == ""
3342 || $rendered_hash != hash("md5", $item["body"])
3343 || Config::get("system", "ignore_cache")
3345 $a = self::getApp();
3346 redir_private_images($a, $item);
3348 $item["rendered-html"] = prepare_text($item["body"]);
3349 $item["rendered-hash"] = hash("md5", $item["body"]);
3351 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3352 Hook::callAll('put_item_in_cache', $hook_data);
3353 $item['rendered-html'] = $hook_data['rendered-html'];
3354 $item['rendered-hash'] = $hook_data['rendered-hash'];
3357 // Force an update if the generated values differ from the existing ones
3358 if ($rendered_hash != $item["rendered-hash"]) {
3362 // Only compare the HTML when we forcefully ignore the cache
3363 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3367 if ($update && !empty($item["id"])) {
3370 'rendered-html' => $item["rendered-html"],
3371 'rendered-hash' => $item["rendered-hash"]
3373 ['id' => $item["id"]]
3378 $item["body"] = $body;
3382 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3383 * If attach is true, also add icons for item attachments.
3385 * @param array $item
3386 * @param boolean $attach
3387 * @param boolean $is_preview
3388 * @return string item body html
3389 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3390 * @throws \ImagickException
3391 * @hook prepare_body_init item array before any work
3392 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3393 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3394 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3396 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3398 $a = self::getApp();
3399 Hook::callAll('prepare_body_init', $item);
3401 // In order to provide theme developers more possibilities, event items
3402 // are treated differently.
3403 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
3404 $ev = Event::getItemHTML($item);
3408 $tags = Term::populateTagsFromItem($item);
3410 $item['tags'] = $tags['tags'];
3411 $item['hashtags'] = $tags['hashtags'];
3412 $item['mentions'] = $tags['mentions'];
3414 // Compile eventual content filter reasons
3415 $filter_reasons = [];
3416 if (!$is_preview && public_contact() != $item['author-id']) {
3417 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3418 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3423 'filter_reasons' => $filter_reasons
3425 Hook::callAll('prepare_body_content_filter', $hook_data);
3426 $filter_reasons = $hook_data['filter_reasons'];
3430 // Update the cached values if there is no "zrl=..." on the links.
3431 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3433 // Or update it if the current viewer is the intented viewer.
3434 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3438 self::putInCache($item, $update);
3439 $s = $item["rendered-html"];
3444 'preview' => $is_preview,
3445 'filter_reasons' => $filter_reasons
3447 Hook::callAll('prepare_body', $hook_data);
3448 $s = $hook_data['html'];
3452 // Replace the blockquotes with quotes that are used in mails.
3453 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3454 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3461 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3462 foreach ($matches as $mtch) {
3465 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3467 if (strpos($mime, 'video') !== false) {
3470 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3473 $url_parts = explode('/', $the_url);
3474 $id = end($url_parts);
3475 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3478 'title' => L10n::t('View Video'),
3485 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3487 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3488 $filesubtype = str_replace('.', '-', $filesubtype);
3491 $filesubtype = 'unkn';
3494 $title = Strings::escapeHtml(trim(defaults($mtch, 4, $mtch[1])));
3495 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3497 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3498 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3502 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3506 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3507 $x = Map::byCoordinates(trim($item['coord']));
3509 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3513 // Replace friendica image url size with theme preference.
3514 if (!empty($a->theme_info['item_image_size'])) {
3515 $ps = $a->theme_info['item_image_size'];
3516 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3519 $s = HTML::applyContentFilter($s, $filter_reasons);
3521 $hook_data = ['item' => $item, 'html' => $s];
3522 Hook::callAll('prepare_body_final', $hook_data);
3524 return $hook_data['html'];
3528 * get private link for item
3530 * @param array $item
3531 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3532 * @throws \Exception
3534 public static function getPlink($item)
3536 $a = self::getApp();
3538 if ($a->user['nickname'] != "") {
3540 'href' => "display/" . $item['guid'],
3541 'orig' => "display/" . $item['guid'],
3542 'title' => L10n::t('View on separate page'),
3543 'orig_title' => L10n::t('view on separate page'),
3546 if (!empty($item['plink'])) {
3547 $ret["href"] = $a->removeBaseURL($item['plink']);
3548 $ret["title"] = L10n::t('link to source');
3551 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3553 'href' => $item['plink'],
3554 'orig' => $item['plink'],
3555 'title' => L10n::t('link to source'),
3565 * Is the given item array a post that is sent as starting post to a forum?
3567 * @param array $item
3568 * @param array $owner
3570 * @return boolean "true" when it is a forum post
3572 public static function isForumPost(array $item, array $owner = [])
3574 if (empty($owner)) {
3575 $owner = User::getOwnerDataById($item['uid']);
3576 if (empty($owner)) {
3581 if (($item['author-id'] == $item['owner-id']) ||
3582 ($owner['id'] == $item['contact-id']) ||
3583 ($item['uri'] != $item['parent-uri']) ||
3588 return Contact::isForum($item['contact-id']);
3592 * Search item id for given URI or plink
3594 * @param string $uri
3595 * @param integer $uid
3597 * @return integer item id
3599 public static function searchByLink($uri, $uid = 0)
3601 $ssl_uri = str_replace('http://', 'https://', $uri);
3602 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3604 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3605 if (DBA::isResult($item)) {
3609 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3610 if (!DBA::isResult($itemcontent)) {
3614 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3615 if (!DBA::isResult($itemuri)) {
3619 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3620 if (DBA::isResult($item)) {
3628 * Fetches item for given URI or plink
3630 * @param string $uri
3631 * @param integer $uid
3633 * @return integer item id
3635 public static function fetchByLink($uri, $uid = 0)
3637 $item_id = self::searchByLink($uri, $uid);
3638 if (!empty($item_id)) {
3642 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3643 $item_id = self::searchByLink($uri, $uid);
3645 $item_id = Diaspora::fetchByURL($uri);
3648 if (!empty($item_id)) {