4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Content\Text\HTML;
12 use Friendica\Core\Config;
13 use Friendica\Core\Hook;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\Logger;
17 use Friendica\Core\PConfig;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Renderer;
20 use Friendica\Core\Session;
21 use Friendica\Core\System;
22 use Friendica\Core\Worker;
23 use Friendica\Database\DBA;
24 use Friendica\Protocol\Activity;
25 use Friendica\Protocol\ActivityPub;
26 use Friendica\Protocol\Diaspora;
27 use Friendica\Protocol\OStatus;
28 use Friendica\Util\ACLFormatter;
29 use Friendica\Util\DateTimeFormat;
30 use Friendica\Util\Map;
31 use Friendica\Util\Network;
32 use Friendica\Util\Security;
33 use Friendica\Util\Strings;
34 use Friendica\Util\XML;
35 use Friendica\Worker\Delivery;
36 use Text_LanguageDetect;
38 class Item extends BaseObject
40 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
47 const PT_DOCUMENT = 19;
49 const PT_PERSONAL_NOTE = 128;
51 // Field list that is used to display the items
52 const DISPLAY_FIELDLIST = [
53 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
54 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
55 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
56 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
57 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
58 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
59 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
60 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
61 'writable', 'self', 'cid', 'alias',
62 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
63 'event-summary', 'event-desc', 'event-location', 'event-type',
64 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
65 'delivery_queue_count', 'delivery_queue_done', 'delivery_queue_failed'
68 // Field list that is used to deliver items via the protocols
69 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
70 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
71 'private', 'title', 'body', 'location', 'coord', 'app',
72 'attach', 'tag', 'deleted', 'extid', 'post-type',
73 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
74 'author-id', 'author-link', 'owner-link', 'contact-uid',
75 'signed_text', 'signature', 'signer', 'network'];
77 // Field list for "item-content" table that is mixed with the item table
78 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
79 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
80 'object-type', 'object', 'target-type', 'target', 'plink'];
82 // Field list for "item-content" table that is not present in the "item" table
83 const CONTENT_FIELDLIST = ['language'];
85 // All fields in the item table
86 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
87 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
88 'created', 'edited', 'commented', 'received', 'changed', 'verb',
89 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
90 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
91 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
92 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
93 'title', 'content-warning', 'body', 'location', 'coord', 'app',
94 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
95 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
96 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
98 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
99 // The item-activity table only stores the index and needs this array to know the matching activity.
101 Activity::LIKE, Activity::DISLIKE,
102 Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE,
106 private static $legacy_mode = null;
108 public static function isLegacyMode()
110 if (is_null(self::$legacy_mode)) {
111 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
114 return self::$legacy_mode;
118 * @brief returns an activity index from an activity string
120 * @param string $activity activity string
121 * @return integer Activity index
123 public static function activityToIndex($activity)
125 $index = array_search($activity, self::ACTIVITIES);
127 if (is_bool($index)) {
135 * @brief returns an activity string from an activity index
137 * @param integer $index activity index
138 * @return string Activity string
140 private static function indexToActivity($index)
142 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
146 return self::ACTIVITIES[$index];
150 * @brief Fetch a single item row
152 * @param mixed $stmt statement object
153 * @return array current row
155 public static function fetch($stmt)
157 $row = DBA::fetch($stmt);
163 // ---------------------- Transform item structure data ----------------------
165 // We prefer the data from the user's contact over the public one
166 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
167 ($row['author-link'] == $row['contact-link'])) {
168 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
169 $row['author-avatar'] = $row['contact-avatar'];
171 if (isset($row['author-name']) && !empty($row['contact-name'])) {
172 $row['author-name'] = $row['contact-name'];
176 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
177 ($row['owner-link'] == $row['contact-link'])) {
178 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
179 $row['owner-avatar'] = $row['contact-avatar'];
181 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
182 $row['owner-name'] = $row['contact-name'];
186 // We can always comment on posts from these networks
187 if (array_key_exists('writable', $row) &&
188 in_array($row['internal-network'], Protocol::FEDERATED)) {
189 $row['writable'] = true;
192 // ---------------------- Transform item content data ----------------------
194 // Fetch data from the item-content table whenever there is content there
195 if (self::isLegacyMode()) {
196 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
197 foreach ($legacy_fields as $field) {
198 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
199 $row[$field] = $row['internal-item-' . $field];
201 unset($row['internal-item-' . $field]);
205 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
206 $row['verb'] = self::indexToActivity($row['internal-activity']);
207 if (array_key_exists('title', $row)) {
210 if (array_key_exists('body', $row)) {
211 $row['body'] = $row['verb'];
213 if (array_key_exists('object', $row)) {
216 if (array_key_exists('object-type', $row)) {
217 $row['object-type'] = Activity\ObjectType::NOTE;
219 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
220 // Posts don't have an object or target - but having tags or files.
221 // We safe some performance by building tag and file strings only here.
222 // We remove object and target since they aren't used for this type.
223 if (array_key_exists('object', $row)) {
226 if (array_key_exists('target', $row)) {
231 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', Activity::POST, Activity::SHARE])) {
232 // Build the tag string out of the term entries
233 if (array_key_exists('tag', $row) && empty($row['tag'])) {
234 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
237 // Build the file string out of the term entries
238 if (array_key_exists('file', $row) && empty($row['file'])) {
239 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
243 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
244 $row['signed_text'] = $row['interaction'];
247 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
248 $row['ignored'] = $row['internal-user-ignored'];
251 // Remove internal fields
252 unset($row['internal-activity']);
253 unset($row['internal-network']);
254 unset($row['internal-iid']);
255 unset($row['internal-iaid']);
256 unset($row['internal-icid']);
257 unset($row['internal-user-ignored']);
258 unset($row['interaction']);
264 * @brief Fills an array with data from an item query
266 * @param object $stmt statement object
267 * @param bool $do_close
268 * @return array Data array
270 public static function inArray($stmt, $do_close = true) {
271 if (is_bool($stmt)) {
276 while ($row = self::fetch($stmt)) {
286 * @brief Check if item data exists
288 * @param array $condition array of fields for condition
290 * @return boolean Are there rows for that condition?
293 public static function exists($condition) {
294 $stmt = self::select(['id'], $condition, ['limit' => 1]);
296 if (is_bool($stmt)) {
299 $retval = (DBA::numRows($stmt) > 0);
308 * Retrieve a single record from the item table for a given user and returns it in an associative array
310 * @brief Retrieve a single record from a table
311 * @param integer $uid User ID
312 * @param array $selected
313 * @param array $condition
314 * @param array $params
319 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
321 $params['uid'] = $uid;
323 if (empty($selected)) {
324 $selected = Item::DISPLAY_FIELDLIST;
327 return self::selectFirst($selected, $condition, $params);
331 * @brief Select rows from the item table for a given user
333 * @param integer $uid User ID
334 * @param array $selected Array of selected fields, empty for all
335 * @param array $condition Array of fields for condition
336 * @param array $params Array of several parameters
338 * @return boolean|object
341 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
343 $params['uid'] = $uid;
345 if (empty($selected)) {
346 $selected = Item::DISPLAY_FIELDLIST;
349 return self::select($selected, $condition, $params);
353 * Retrieve a single record from the item table and returns it in an associative array
355 * @brief Retrieve a single record from a table
356 * @param array $fields
357 * @param array $condition
358 * @param array $params
363 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
365 $params['limit'] = 1;
367 $result = self::select($fields, $condition, $params);
369 if (is_bool($result)) {
372 $row = self::fetch($result);
379 * @brief Select rows from the item table and returns them as an array
381 * @param array $selected Array of selected fields, empty for all
382 * @param array $condition Array of fields for condition
383 * @param array $params Array of several parameters
388 public static function selectToArray(array $fields = [], array $condition = [], $params = [])
390 $result = self::select($fields, $condition, $params);
392 if (is_bool($result)) {
397 while ($row = self::fetch($result)) {
406 * @brief Select rows from the item table
408 * @param array $selected Array of selected fields, empty for all
409 * @param array $condition Array of fields for condition
410 * @param array $params Array of several parameters
412 * @return boolean|object
415 public static function select(array $selected = [], array $condition = [], $params = [])
420 if (isset($params['uid'])) {
421 $uid = $params['uid'];
425 $fields = self::fieldlist($usermode);
427 $select_fields = self::constructSelectFields($fields, $selected);
429 $condition_string = DBA::buildCondition($condition);
431 $condition_string = self::addTablesToFields($condition_string, $fields);
434 $condition_string = $condition_string . ' AND ' . self::condition(false);
437 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
439 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
441 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
443 return DBA::p($sql, $condition);
447 * @brief Select rows from the starting post in the item table
449 * @param integer $uid User ID
450 * @param array $selected
451 * @param array $condition Array of fields for condition
452 * @param array $params Array of several parameters
454 * @return boolean|object
457 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
459 $params['uid'] = $uid;
461 if (empty($selected)) {
462 $selected = Item::DISPLAY_FIELDLIST;
465 return self::selectThread($selected, $condition, $params);
469 * Retrieve a single record from the starting post in the item table and returns it in an associative array
471 * @brief Retrieve a single record from a table
472 * @param integer $uid User ID
473 * @param array $selected
474 * @param array $condition
475 * @param array $params
480 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
482 $params['uid'] = $uid;
484 if (empty($selected)) {
485 $selected = Item::DISPLAY_FIELDLIST;
488 return self::selectFirstThread($selected, $condition, $params);
492 * Retrieve a single record from the starting post in the item table and returns it in an associative array
494 * @brief Retrieve a single record from a table
495 * @param array $fields
496 * @param array $condition
497 * @param array $params
502 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
504 $params['limit'] = 1;
505 $result = self::selectThread($fields, $condition, $params);
507 if (is_bool($result)) {
510 $row = self::fetch($result);
517 * @brief Select rows from the starting post in the item table
519 * @param array $selected Array of selected fields, empty for all
520 * @param array $condition Array of fields for condition
521 * @param array $params Array of several parameters
523 * @return boolean|object
526 public static function selectThread(array $selected = [], array $condition = [], $params = [])
531 if (isset($params['uid'])) {
532 $uid = $params['uid'];
536 $fields = self::fieldlist($usermode);
538 $fields['thread'] = ['mention', 'ignored', 'iid'];
540 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
541 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
542 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
543 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
545 $select_fields = self::constructSelectFields($fields, $selected);
547 $condition_string = DBA::buildCondition($condition);
549 $condition_string = self::addTablesToFields($condition_string, $threadfields);
550 $condition_string = self::addTablesToFields($condition_string, $fields);
553 $condition_string = $condition_string . ' AND ' . self::condition(true);
556 $param_string = DBA::buildParameter($params);
557 $param_string = self::addTablesToFields($param_string, $threadfields);
558 $param_string = self::addTablesToFields($param_string, $fields);
560 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
562 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
564 return DBA::p($sql, $condition);
568 * @brief Returns a list of fields that are associated with the item table
571 * @return array field list
573 private static function fieldlist($usermode)
577 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
578 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
579 'created', 'edited', 'commented', 'received', 'changed', 'psid',
580 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
581 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
582 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
583 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
584 'network' => 'internal-network', 'icid' => 'internal-icid',
585 'iaid' => 'internal-iaid'];
588 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
591 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
593 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
595 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
597 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
599 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
600 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
602 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
603 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
605 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
606 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
607 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
609 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
611 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
613 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
614 'start' => 'event-start','finish' => 'event-finish',
615 'summary' => 'event-summary','desc' => 'event-desc',
616 'location' => 'event-location', 'type' => 'event-type',
617 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
618 'ignore' => 'event-ignore', 'id' => 'event-id'];
620 $fields['sign'] = ['signed_text', 'signature', 'signer'];
622 $fields['diaspora-interaction'] = ['interaction'];
628 * @brief Returns SQL condition for the "select" functions
630 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
632 * @return string SQL condition
634 private static function condition($thread_mode)
637 $master_table = "`thread`";
639 $master_table = "`item`";
641 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
642 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
643 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
644 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
645 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
646 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
647 GRAVITY_PARENT, GRAVITY_PARENT);
651 * @brief Returns all needed "JOIN" commands for the "select" functions
653 * @param integer $uid User ID
654 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
655 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
658 * @return string The SQL joins for the "select" functions
660 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
663 $master_table = "`thread`";
664 $master_table_key = "`thread`.`iid`";
665 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
667 $master_table = "`item`";
668 $master_table_key = "`item`.`id`";
673 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
674 AND NOT `contact`.`blocked`
675 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
676 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
677 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
678 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
679 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
680 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
681 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
682 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
684 if (strpos($sql_commands, "`contact`.") !== false) {
685 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
687 if (strpos($sql_commands, "`author`.") !== false) {
688 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
690 if (strpos($sql_commands, "`owner`.") !== false) {
691 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
695 if (strpos($sql_commands, "`group_member`.") !== false) {
696 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
699 if (strpos($sql_commands, "`user`.") !== false) {
700 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
703 if (strpos($sql_commands, "`event`.") !== false) {
704 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
707 if (strpos($sql_commands, "`sign`.") !== false) {
708 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
711 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
712 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
715 if (strpos($sql_commands, "`item-activity`.") !== false) {
716 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
719 if (strpos($sql_commands, "`item-content`.") !== false) {
720 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
723 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
724 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
727 if (strpos($sql_commands, "`permissionset`.") !== false) {
728 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
731 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
732 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
735 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
736 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
743 * @brief Add the field list for the "select" functions
745 * @param array $fields The field definition array
746 * @param array $selected The array with the selected fields from the "select" functions
748 * @return string The field list
750 private static function constructSelectFields($fields, $selected)
752 if (!empty($selected)) {
753 $selected[] = 'internal-iid';
754 $selected[] = 'internal-iaid';
755 $selected[] = 'internal-icid';
756 $selected[] = 'internal-network';
759 if (in_array('verb', $selected)) {
760 $selected[] = 'internal-activity';
763 if (in_array('ignored', $selected)) {
764 $selected[] = 'internal-user-ignored';
767 if (in_array('signed_text', $selected)) {
768 $selected[] = 'interaction';
771 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
774 foreach ($fields as $table => $table_fields) {
775 foreach ($table_fields as $field => $select) {
776 if (empty($selected) || in_array($select, $selected)) {
777 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
778 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
780 if (is_int($field)) {
781 $selection[] = "`" . $table . "`.`" . $select . "`";
783 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
788 return implode(", ", $selection);
792 * @brief add table definition to fields in an SQL query
794 * @param string $query SQL query
795 * @param array $fields The field definition array
797 * @return string the changed SQL query
799 private static function addTablesToFields($query, $fields)
801 foreach ($fields as $table => $table_fields) {
802 foreach ($table_fields as $alias => $field) {
803 if (is_int($alias)) {
804 $replace_field = $field;
806 $replace_field = $alias;
809 $search = "/([^\.])`" . $field . "`/i";
810 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
811 $query = preg_replace($search, $replace, $query);
818 * @brief Update existing item entries
820 * @param array $fields The fields that are to be changed
821 * @param array $condition The condition for finding the item entries
823 * In the future we may have to change permissions as well.
824 * Then we had to add the user id as third parameter.
826 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
828 * @return integer|boolean number of affected rows - or "false" if there was an error
829 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
831 public static function update(array $fields, array $condition)
833 if (empty($condition) || empty($fields)) {
837 // To ensure the data integrity we do it in an transaction
840 // We cannot simply expand the condition to check for origin entries
841 // The condition needn't to be a simple array but could be a complex condition.
842 // And we have to execute this query before the update to ensure to fetch the same data.
843 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
845 $content_fields = [];
846 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
847 if (isset($fields[$field])) {
848 $content_fields[$field] = $fields[$field];
849 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
850 unset($fields[$field]);
852 $fields[$field] = null;
857 $delivery_data = ItemDeliveryData::extractFields($fields);
859 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
860 foreach ($clear_fields as $field) {
861 if (array_key_exists($field, $fields)) {
862 $fields[$field] = null;
866 if (array_key_exists('tag', $fields)) {
867 $tags = $fields['tag'];
868 $fields['tag'] = null;
873 if (array_key_exists('file', $fields)) {
874 $files = $fields['file'];
875 $fields['file'] = null;
880 if (!empty($fields)) {
881 $success = DBA::update('item', $fields, $condition);
890 // When there is no content for the "old" item table, this will count the fetched items
891 $rows = DBA::affectedRows();
895 while ($item = DBA::fetch($items)) {
896 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
897 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
899 if (empty($item['iaid'])) {
900 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
901 if (DBA::isResult($item_activity)) {
902 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
903 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
904 if (self::isLegacyMode()) {
905 $item_fields[$field] = null;
907 unset($item_fields[$field]);
910 DBA::update('item', $item_fields, ['id' => $item['id']]);
912 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
913 DBA::delete('item-content', ['id' => $item['icid']]);
916 } elseif (!empty($item['icid'])) {
917 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
919 if (!DBA::exists('item', ['icid' => $item['icid']])) {
920 DBA::delete('item-content', ['id' => $item['icid']]);
924 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
926 if (empty($item['icid'])) {
927 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
928 if (DBA::isResult($item_content)) {
929 $item_fields = ['icid' => $item_content['id']];
930 // Clear all fields in the item table that have a content in the item-content table
931 foreach ($item_content as $field => $content) {
932 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
933 if (self::isLegacyMode()) {
934 $item_fields[$field] = null;
936 unset($item_fields[$field]);
940 DBA::update('item', $item_fields, ['id' => $item['id']]);
945 if (!is_null($tags)) {
946 Term::insertFromTagFieldByItemId($item['id'], $tags);
947 if (!empty($item['tag'])) {
948 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
952 if (!is_null($files)) {
953 Term::insertFromFileFieldByItemId($item['id'], $files);
954 if (!empty($item['file'])) {
955 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
959 ItemDeliveryData::update($item['id'], $delivery_data);
961 self::updateThread($item['id']);
963 // We only need to notfiy others when it is an original entry from us.
964 // Only call the notifier when the item has some content relevant change.
965 if ($item['origin'] && in_array('edited', array_keys($fields))) {
966 $notify_items[] = $item['id'];
973 foreach ($notify_items as $notify_item) {
974 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $notify_item);
981 * @brief Delete an item and notify others about it - if it was ours
983 * @param array $condition The condition for finding the item entries
984 * @param integer $priority Priority for the notification
985 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
987 public static function delete($condition, $priority = PRIORITY_HIGH)
989 $items = self::select(['id'], $condition);
990 while ($item = self::fetch($items)) {
991 self::deleteById($item['id'], $priority);
997 * @brief Delete an item for an user and notify others about it - if it was ours
999 * @param array $condition The condition for finding the item entries
1000 * @param integer $uid User who wants to delete this item
1001 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1003 public static function deleteForUser($condition, $uid)
1009 $items = self::select(['id', 'uid'], $condition);
1010 while ($item = self::fetch($items)) {
1011 // "Deleting" global items just means hiding them
1012 if ($item['uid'] == 0) {
1013 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
1014 } elseif ($item['uid'] == $uid) {
1015 self::deleteById($item['id'], PRIORITY_HIGH);
1017 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
1024 * @brief Delete an item and notify others about it - if it was ours
1026 * @param integer $item_id Item ID that should be delete
1027 * @param integer $priority Priority for the notification
1029 * @return boolean success
1030 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
1032 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
1034 // locate item to be deleted
1035 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
1036 'deleted', 'file', 'resource-id', 'event-id', 'attach',
1037 'verb', 'object-type', 'object', 'target', 'contact-id',
1038 'icid', 'iaid', 'psid'];
1039 $item = self::selectFirst($fields, ['id' => $item_id]);
1040 if (!DBA::isResult($item)) {
1041 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1045 if ($item['deleted']) {
1046 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1050 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1051 if (!DBA::isResult($parent)) {
1052 $parent = ['origin' => false];
1055 // clean up categories and tags so they don't end up as orphans
1058 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1061 foreach ($matches as $mtch) {
1062 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1068 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1071 foreach ($matches as $mtch) {
1072 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1077 * If item is a link to a photo resource, nuke all the associated photos
1078 * (visitors will not have photo resources)
1079 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1080 * generate a resource-id and therefore aren't intimately linked to the item.
1082 /// @TODO: this should first check if photo is used elsewhere
1083 if (strlen($item['resource-id'])) {
1084 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1087 // If item is a link to an event, delete the event.
1088 if (intval($item['event-id'])) {
1089 Event::delete($item['event-id']);
1092 // If item has attachments, drop them
1093 /// @TODO: this should first check if attachment is used elsewhere
1094 foreach (explode(",", $item['attach']) as $attach) {
1095 preg_match("|attach/(\d+)|", $attach, $matches);
1096 if (is_array($matches) && count($matches) > 1) {
1097 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1101 // Delete tags that had been attached to other items
1102 self::deleteTagsFromItem($item);
1104 // Set the item to "deleted"
1105 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1106 DBA::update('item', $item_fields, ['id' => $item['id']]);
1108 Term::insertFromTagFieldByItemId($item['id'], '');
1109 Term::insertFromFileFieldByItemId($item['id'], '');
1110 self::deleteThread($item['id'], $item['parent-uri']);
1112 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1113 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1116 ItemDeliveryData::delete($item['id']);
1118 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1120 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1121 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1123 // When the permission set will be used in photo and events as well,
1124 // this query here needs to be extended.
1125 // @todo Currently deactivated. We need the permission set in the deletion process.
1126 // This is a reminder to add the removal somewhere else.
1127 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1128 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1131 // If it's the parent of a comment thread, kill all the kids
1132 if ($item['id'] == $item['parent']) {
1133 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1136 // Is it our comment and/or our thread?
1137 if ($item['origin'] || $parent['origin']) {
1139 // When we delete the original post we will delete all existing copies on the server as well
1140 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1142 // send the notification upstream/downstream
1143 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1144 } elseif ($item['uid'] != 0) {
1146 // When we delete just our local user copy of an item, we have to set a marker to hide it
1147 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1148 if (DBA::isResult($global_item)) {
1149 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1153 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1158 private static function deleteTagsFromItem($item)
1160 if (($item["verb"] != Activity::TAG) || ($item["object-type"] != Activity\ObjectType::TAGTERM)) {
1164 $xo = XML::parseString($item["object"], false);
1165 $xt = XML::parseString($item["target"], false);
1167 if ($xt->type != Activity\ObjectType::NOTE) {
1171 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1172 if (!DBA::isResult($i)) {
1176 // For tags, the owner cannot remove the tag on the author's copy of the post.
1177 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1178 $author_copy = $item["origin"];
1180 if (($owner_remove && $author_copy) || !$owner_remove) {
1184 $tags = explode(',', $i["tag"]);
1187 foreach ($tags as $tag) {
1188 if (trim($tag) !== trim($xo->body)) {
1189 $newtags[] = trim($tag);
1193 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1196 private static function guid($item, $notify)
1198 if (!empty($item['guid'])) {
1199 return Strings::escapeTags(trim($item['guid']));
1203 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1204 // We add the hash of our own host because our host is the original creator of the post.
1205 $prefix_host = \get_app()->getHostName();
1209 // We are only storing the post so we create a GUID from the original hostname.
1210 if (!empty($item['author-link'])) {
1211 $parsed = parse_url($item['author-link']);
1212 if (!empty($parsed['host'])) {
1213 $prefix_host = $parsed['host'];
1217 if (empty($prefix_host) && !empty($item['plink'])) {
1218 $parsed = parse_url($item['plink']);
1219 if (!empty($parsed['host'])) {
1220 $prefix_host = $parsed['host'];
1224 if (empty($prefix_host) && !empty($item['uri'])) {
1225 $parsed = parse_url($item['uri']);
1226 if (!empty($parsed['host'])) {
1227 $prefix_host = $parsed['host'];
1231 // Is it in the format data@host.tld? - Used for mail contacts
1232 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1233 $mailparts = explode('@', $item['author-link']);
1234 $prefix_host = array_pop($mailparts);
1238 if (!empty($item['plink'])) {
1239 $guid = self::guidFromUri($item['plink'], $prefix_host);
1240 } elseif (!empty($item['uri'])) {
1241 $guid = self::guidFromUri($item['uri'], $prefix_host);
1243 $guid = System::createUUID(hash('crc32', $prefix_host));
1249 private static function contactId($item)
1251 if (!empty($item['contact-id']) && DBA::exists('contact', ['self' => true, 'id' => $item['contact-id']])) {
1252 return $item['contact-id'];
1253 } elseif (($item['gravity'] == GRAVITY_PARENT) && !empty($item['uid']) && !empty($item['contact-id']) && Contact::isSharing($item['contact-id'], $item['uid'])) {
1254 return $item['contact-id'];
1255 } elseif (!empty($item['uid']) && !Contact::isSharing($item['author-id'], $item['uid'])) {
1256 return $item['author-id'];
1257 } elseif (!empty($item['contact-id'])) {
1258 return $item['contact-id'];
1260 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1261 if (!empty($contact_id)) {
1265 return $item['author-id'];
1268 // This function will finally cover most of the preparation functionality in mod/item.php
1269 public static function prepare(&$item)
1272 * @TODO: Unused code triggering inspection errors
1274 $data = BBCode::getAttachmentData($item['body']);
1275 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1276 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1277 $posttype = Item::PT_PAGE;
1278 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1284 * Write an item array into a spool file to be inserted later.
1285 * This command is called whenever there are issues storing an item.
1287 * @param array $item The item fields that are to be inserted
1288 * @throws \Exception
1290 private static function spool($orig_item)
1292 // Now we store the data in the spool directory
1293 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1294 $file = 'item-' . round(microtime(true) * 10000) . '-' . mt_rand() . '.msg';
1296 $spoolpath = get_spoolpath();
1297 if ($spoolpath != "") {
1298 $spool = $spoolpath . '/' . $file;
1300 file_put_contents($spool, json_encode($orig_item));
1301 Logger::warning("Item wasn't stored - Item was spooled into file", ['file' => $file]);
1305 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1309 $priority = PRIORITY_HIGH;
1311 // If it is a posting where users should get notifications, then define it as wall posting
1314 $item['origin'] = 1;
1315 $item['network'] = Protocol::DFRN;
1316 $item['protocol'] = Conversation::PARCEL_DFRN;
1318 if (is_int($notify)) {
1319 $priority = $notify;
1322 $item['network'] = trim(($item['network'] ?? '') ?: Protocol::PHANTOM);
1325 $item['guid'] = self::guid($item, $notify);
1326 $item['uri'] = Strings::escapeTags(trim(($item['uri'] ?? '') ?: self::newURI($item['uid'], $item['guid'])));
1329 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1331 // Store conversation data
1332 $item = Conversation::insert($item);
1335 * If a Diaspora signature structure was passed in, pull it out of the
1336 * item array and set it aside for later storage.
1340 if (isset($item['dsprsig'])) {
1341 $encoded_signature = $item['dsprsig'];
1342 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1343 unset($item['dsprsig']);
1346 $diaspora_signed_text = '';
1347 if (isset($item['diaspora_signed_text'])) {
1348 $diaspora_signed_text = $item['diaspora_signed_text'];
1349 unset($item['diaspora_signed_text']);
1352 // Converting the plink
1353 /// @TODO Check if this is really still needed
1354 if ($item['network'] == Protocol::OSTATUS) {
1355 if (isset($item['plink'])) {
1356 $item['plink'] = OStatus::convertHref($item['plink']);
1357 } elseif (isset($item['uri'])) {
1358 $item['plink'] = OStatus::convertHref($item['uri']);
1362 if (!empty($item['thr-parent'])) {
1363 $item['parent-uri'] = $item['thr-parent'];
1366 /** @var Activity $activity */
1367 $activity = self::getClass(Activity::class);
1369 if (isset($item['gravity'])) {
1370 $item['gravity'] = intval($item['gravity']);
1371 } elseif ($item['parent-uri'] === $item['uri']) {
1372 $item['gravity'] = GRAVITY_PARENT;
1373 } elseif ($activity->match($item['verb'], Activity::POST)) {
1374 $item['gravity'] = GRAVITY_COMMENT;
1375 } elseif ($activity->match($item['verb'], Activity::FOLLOW)) {
1376 $item['gravity'] = GRAVITY_ACTIVITY;
1378 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1379 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1382 $uid = intval($item['uid']);
1384 // check for create date and expire time
1385 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1387 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1388 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1389 $expire_interval = $user['expire'];
1392 if (($expire_interval > 0) && !empty($item['created'])) {
1393 $expire_date = time() - ($expire_interval * 86400);
1394 $created_date = strtotime($item['created']);
1395 if ($created_date < $expire_date) {
1396 Logger::notice('Item created before expiration interval.', [
1397 'created' => date('c', $created_date),
1398 'expired' => date('c', $expire_date),
1406 * Do we already have this item?
1407 * We have to check several networks since Friendica posts could be repeated
1408 * via OStatus (maybe Diasporsa as well)
1410 if (empty($item['network']) || in_array($item['network'], Protocol::FEDERATED)) {
1411 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?, ?)",
1412 trim($item['uri']), $item['uid'],
1413 Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1414 $existing = self::selectFirst(['id', 'network'], $condition);
1415 if (DBA::isResult($existing)) {
1416 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1418 Logger::notice('Item already existed for user', [
1419 'uri' => $item['uri'],
1421 'network' => $item['network'],
1422 'existing_id' => $existing["id"],
1423 'existing_network' => $existing["network"]
1427 return $existing["id"];
1431 $item['wall'] = intval($item['wall'] ?? 0);
1432 $item['extid'] = trim($item['extid'] ?? '');
1433 $item['author-name'] = trim($item['author-name'] ?? '');
1434 $item['author-link'] = trim($item['author-link'] ?? '');
1435 $item['author-avatar'] = trim($item['author-avatar'] ?? '');
1436 $item['owner-name'] = trim($item['owner-name'] ?? '');
1437 $item['owner-link'] = trim($item['owner-link'] ?? '');
1438 $item['owner-avatar'] = trim($item['owner-avatar'] ?? '');
1439 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1440 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1441 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1442 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1443 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1444 $item['title'] = trim($item['title'] ?? '');
1445 $item['location'] = trim($item['location'] ?? '');
1446 $item['coord'] = trim($item['coord'] ?? '');
1447 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1448 $item['deleted'] = 0;
1449 $item['parent-uri'] = trim(($item['parent-uri'] ?? '') ?: $item['uri']);
1450 $item['post-type'] = ($item['post-type'] ?? '') ?: self::PT_ARTICLE;
1451 $item['verb'] = trim($item['verb'] ?? '');
1452 $item['object-type'] = trim($item['object-type'] ?? '');
1453 $item['object'] = trim($item['object'] ?? '');
1454 $item['target-type'] = trim($item['target-type'] ?? '');
1455 $item['target'] = trim($item['target'] ?? '');
1456 $item['plink'] = trim($item['plink'] ?? '');
1457 $item['allow_cid'] = trim($item['allow_cid'] ?? '');
1458 $item['allow_gid'] = trim($item['allow_gid'] ?? '');
1459 $item['deny_cid'] = trim($item['deny_cid'] ?? '');
1460 $item['deny_gid'] = trim($item['deny_gid'] ?? '');
1461 $item['private'] = intval($item['private'] ?? 0);
1462 $item['body'] = trim($item['body'] ?? '');
1463 $item['tag'] = trim($item['tag'] ?? '');
1464 $item['attach'] = trim($item['attach'] ?? '');
1465 $item['app'] = trim($item['app'] ?? '');
1466 $item['origin'] = intval($item['origin'] ?? 0);
1467 $item['postopts'] = trim($item['postopts'] ?? '');
1468 $item['resource-id'] = trim($item['resource-id'] ?? '');
1469 $item['event-id'] = intval($item['event-id'] ?? 0);
1470 $item['inform'] = trim($item['inform'] ?? '');
1471 $item['file'] = trim($item['file'] ?? '');
1473 // When there is no content then we don't post it
1474 if ($item['body'].$item['title'] == '') {
1475 Logger::notice('No body, no title.');
1479 self::addLanguageToItemArray($item);
1481 // Items cannot be stored before they happen ...
1482 if ($item['created'] > DateTimeFormat::utcNow()) {
1483 $item['created'] = DateTimeFormat::utcNow();
1486 // We haven't invented time travel by now.
1487 if ($item['edited'] > DateTimeFormat::utcNow()) {
1488 $item['edited'] = DateTimeFormat::utcNow();
1491 $item['plink'] = ($item['plink'] ?? '') ?: System::baseUrl() . '/display/' . urlencode($item['guid']);
1493 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1494 'photo' => $item['author-avatar'], 'network' => $item['network']];
1496 $item['author-id'] = ($item['author-id'] ?? 0) ?: Contact::getIdForURL($item['author-link'], 0, false, $default);
1498 if (Contact::isBlocked($item['author-id'])) {
1499 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1503 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1504 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1508 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1509 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1513 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1514 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1516 $item['owner-id'] = ($item['owner-id'] ?? 0) ?: Contact::getIdForURL($item['owner-link'], 0, false, $default);
1518 if (Contact::isBlocked($item['owner-id'])) {
1519 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1523 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1524 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1528 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1529 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1533 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1534 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1535 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1539 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1540 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1544 // We don't store the causer, we only have it here for the checks above
1545 unset($item['causer-id']);
1546 unset($item['causer-link']);
1548 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1549 $item["contact-id"] = self::contactId($item);
1551 if ($item['network'] == Protocol::PHANTOM) {
1552 $item['network'] = Protocol::DFRN;
1553 Logger::notice('Missing network, setting to {network}.', [
1554 'uri' => $item["uri"],
1555 'network' => $item['network'],
1556 'callstack' => System::callstack()
1560 // Checking if there is already an item with the same guid
1561 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1562 if (self::exists($condition)) {
1563 Logger::notice('Found already existing item', [
1564 'guid' => $item['guid'],
1565 'uid' => $item['uid'],
1566 'network' => $item['network']
1571 if ($item['verb'] == Activity::FOLLOW) {
1572 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1573 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1574 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1578 $condition = ['verb' => Activity::FOLLOW, 'uid' => $item['uid'],
1579 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1580 if (self::exists($condition)) {
1581 // It happens that we receive multiple follow requests by the same author - we only store one.
1582 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1587 // Check for hashtags in the body and repair or add hashtag links
1588 self::setHashtags($item);
1590 $item['thr-parent'] = $item['parent-uri'];
1592 $notify_type = Delivery::POST;
1598 if ($item['parent-uri'] === $item['uri']) {
1600 $parent_deleted = 0;
1601 $allow_cid = $item['allow_cid'];
1602 $allow_gid = $item['allow_gid'];
1603 $deny_cid = $item['deny_cid'];
1604 $deny_gid = $item['deny_gid'];
1606 // find the parent and snarf the item id and ACLs
1607 // and anything else we need to inherit
1609 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1610 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1611 'wall', 'private', 'forum_mode', 'origin'];
1612 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1613 $params = ['order' => ['id' => false]];
1614 $parent = self::selectFirst($fields, $condition, $params);
1616 if (DBA::isResult($parent)) {
1617 // is the new message multi-level threaded?
1618 // even though we don't support it now, preserve the info
1619 // and re-attach to the conversation parent.
1621 if ($parent['uri'] != $parent['parent-uri']) {
1622 $item['parent-uri'] = $parent['parent-uri'];
1624 $condition = ['uri' => $item['parent-uri'],
1625 'parent-uri' => $item['parent-uri'],
1626 'uid' => $item['uid']];
1627 $params = ['order' => ['id' => false]];
1628 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1630 if (DBA::isResult($toplevel_parent)) {
1631 $parent = $toplevel_parent;
1635 $parent_id = $parent['id'];
1636 $parent_deleted = $parent['deleted'];
1637 $allow_cid = $parent['allow_cid'];
1638 $allow_gid = $parent['allow_gid'];
1639 $deny_cid = $parent['deny_cid'];
1640 $deny_gid = $parent['deny_gid'];
1641 $item['wall'] = $parent['wall'];
1644 * If the parent is private, force privacy for the entire conversation
1645 * This differs from the above settings as it subtly allows comments from
1646 * email correspondents to be private even if the overall thread is not.
1648 if ($parent['private']) {
1649 $item['private'] = $parent['private'];
1653 * Edge case. We host a public forum that was originally posted to privately.
1654 * The original author commented, but as this is a comment, the permissions
1655 * weren't fixed up so it will still show the comment as private unless we fix it here.
1657 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1658 $item['private'] = 0;
1661 // If its a post that originated here then tag the thread as "mention"
1662 if ($item['origin'] && $item['uid']) {
1663 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1664 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1668 * Allow one to see reply tweets from status.net even when
1669 * we don't have or can't see the original post.
1671 if ($force_parent) {
1672 Logger::log('$force_parent=true, reply converted to top-level post.');
1674 $item['parent-uri'] = $item['uri'];
1675 $item['gravity'] = GRAVITY_PARENT;
1677 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1681 $parent_deleted = 0;
1685 if (stristr($item['verb'], Activity::POKE)) {
1686 $notify_type = Delivery::POKE;
1689 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1690 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1692 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1693 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1694 if (self::exists($condition)) {
1695 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1699 // On Friendica and Diaspora the GUID is unique
1700 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1701 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1702 if (self::exists($condition)) {
1703 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1706 } elseif ($item['network'] == Protocol::OSTATUS) {
1707 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1708 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1709 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1710 if (self::exists($condition)) {
1711 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1716 // Is this item available in the global items (with uid=0)?
1717 if ($item["uid"] == 0) {
1718 $item["global"] = true;
1720 // Set the global flag on all items if this was a global item entry
1721 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1723 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1727 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1730 $private = $item['private'];
1733 $item["allow_cid"] = $allow_cid;
1734 $item["allow_gid"] = $allow_gid;
1735 $item["deny_cid"] = $deny_cid;
1736 $item["deny_gid"] = $deny_gid;
1737 $item["private"] = $private;
1738 $item["deleted"] = $parent_deleted;
1740 // Fill the cache field
1741 self::putInCache($item);
1744 $item['edit'] = false;
1745 $item['parent'] = $parent_id;
1746 Hook::callAll('post_local', $item);
1747 unset($item['edit']);
1748 unset($item['parent']);
1750 Hook::callAll('post_remote', $item);
1753 // This array field is used to trigger some automatic reactions
1754 // It is mainly used in the "post_local" hook.
1755 unset($item['api_source']);
1757 if (!empty($item['cancel'])) {
1758 Logger::log('post cancelled by addon.');
1763 * Check for already added items.
1764 * There is a timing issue here that sometimes creates double postings.
1765 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1767 if ($item["uid"] == 0) {
1768 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1769 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1774 Logger::log('' . print_r($item,true), Logger::DATA);
1776 if (array_key_exists('tag', $item)) {
1777 $tags = $item['tag'];
1778 unset($item['tag']);
1783 if (array_key_exists('file', $item)) {
1784 $files = $item['file'];
1785 unset($item['file']);
1790 // Creates or assigns the permission set
1791 $item['psid'] = PermissionSet::fetchIDForPost($item);
1793 // We are doing this outside of the transaction to avoid timing problems
1794 if (!self::insertActivity($item)) {
1795 self::insertContent($item);
1798 $delivery_data = ItemDeliveryData::extractFields($item);
1800 unset($item['postopts']);
1801 unset($item['inform']);
1803 // These fields aren't stored anymore in the item table, they are fetched upon request
1804 unset($item['author-link']);
1805 unset($item['author-name']);
1806 unset($item['author-avatar']);
1807 unset($item['author-network']);
1809 unset($item['owner-link']);
1810 unset($item['owner-name']);
1811 unset($item['owner-avatar']);
1813 $like_no_comment = Config::get('system', 'like_no_comment');
1816 $ret = DBA::insert('item', $item);
1818 // When the item was successfully stored we fetch the ID of the item.
1819 if (DBA::isResult($ret)) {
1820 $current_post = DBA::lastInsertId();
1822 // This can happen - for example - if there are locking timeouts.
1825 // Store the data into a spool file so that we can try again later.
1826 self::spool($orig_item);
1830 if ($current_post == 0) {
1831 // This is one of these error messages that never should occur.
1832 Logger::log("couldn't find created item - we better quit now.");
1837 // How much entries have we created?
1838 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1839 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1842 // There are duplicates. We delete our just created entry.
1843 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1845 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1846 DBA::delete('item', ['id' => $current_post]);
1849 } elseif ($entries == 0) {
1850 // This really should never happen since we quit earlier if there were problems.
1851 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1856 Logger::log('created item '.$current_post);
1858 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1859 $parent_id = $current_post;
1863 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1865 $item['id'] = $current_post;
1866 $item['parent'] = $parent_id;
1868 // update the commented timestamp on the parent
1869 // Only update "commented" if it is really a comment
1870 if (($item['gravity'] != GRAVITY_ACTIVITY) || !$like_no_comment) {
1871 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1873 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1878 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1879 * We can check for this condition when we decode and encode the stuff again.
1881 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1882 $dsprsig->signature = base64_decode($dsprsig->signature);
1883 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1886 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1887 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1889 // The other fields are used by very old Friendica servers, so we currently store them differently
1890 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1891 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1895 if (!empty($diaspora_signed_text)) {
1896 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1899 if ($item['parent-uri'] === $item['uri']) {
1900 self::addThread($current_post);
1902 self::updateThread($parent_id);
1905 if (!empty($item['origin']) || !empty($item['wall']) || !empty($delivery_data['postopts']) || !empty($delivery_data['inform'])) {
1906 ItemDeliveryData::insert($current_post, $delivery_data);
1912 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1913 * This is not perfect - but a workable solution until we found the reason for the problem.
1915 if (!empty($tags)) {
1916 Term::insertFromTagFieldByItemId($current_post, $tags);
1919 if (!empty($files)) {
1920 Term::insertFromFileFieldByItemId($current_post, $files);
1923 // In that function we check if this is a forum post. Additionally we delete the item under certain circumstances
1924 if (self::tagDeliver($item['uid'], $current_post)) {
1925 // Get the user information for the logging
1926 $user = User::getById($uid);
1928 Logger::notice('Item had been deleted', ['id' => $current_post, 'user' => $uid, 'account-type' => $user['account-type']]);
1933 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1934 if (DBA::isResult($posted_item)) {
1936 Hook::callAll('post_local_end', $posted_item);
1938 Hook::callAll('post_remote_end', $posted_item);
1941 Logger::log('new item not found in DB, id ' . $current_post);
1945 if ($item['parent-uri'] === $item['uri']) {
1946 self::addShadow($current_post);
1948 self::addShadowPost($current_post);
1951 self::updateContact($item);
1953 check_user_notification($current_post);
1955 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
1956 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1959 return $current_post;
1963 * @brief Insert a new item content entry
1965 * @param array $item The item fields that are to be inserted
1967 * @throws \Exception
1969 private static function insertActivity(&$item)
1971 $activity_index = self::activityToIndex($item['verb']);
1973 if ($activity_index < 0) {
1977 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1979 // We just remove everything that is content
1980 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1981 unset($item[$field]);
1984 // To avoid timing problems, we are using locks.
1985 $locked = Lock::acquire('item_insert_activity');
1987 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1990 // Do we already have this content?
1991 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1992 if (DBA::isResult($item_activity)) {
1993 $item['iaid'] = $item_activity['id'];
1994 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1995 } elseif (DBA::insert('item-activity', $fields)) {
1996 $item['iaid'] = DBA::lastInsertId();
1997 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1999 // This shouldn't happen.
2000 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
2001 Lock::release('item_insert_activity');
2005 Lock::release('item_insert_activity');
2011 * @brief Insert a new item content entry
2013 * @param array $item The item fields that are to be inserted
2014 * @throws \Exception
2016 private static function insertContent(&$item)
2018 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
2020 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2021 if (isset($item[$field])) {
2022 $fields[$field] = $item[$field];
2023 unset($item[$field]);
2027 // To avoid timing problems, we are using locks.
2028 $locked = Lock::acquire('item_insert_content');
2030 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
2033 // Do we already have this content?
2034 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
2035 if (DBA::isResult($item_content)) {
2036 $item['icid'] = $item_content['id'];
2037 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2038 } elseif (DBA::insert('item-content', $fields)) {
2039 $item['icid'] = DBA::lastInsertId();
2040 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
2042 // This shouldn't happen.
2043 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2046 Lock::release('item_insert_content');
2051 * @brief Update existing item content entries
2053 * @param array $item The item fields that are to be changed
2054 * @param array $condition The condition for finding the item content entries
2056 * @throws \Exception
2058 private static function updateActivity($item, $condition)
2060 if (empty($item['verb'])) {
2063 $activity_index = self::activityToIndex($item['verb']);
2065 if ($activity_index < 0) {
2069 $fields = ['activity' => $activity_index];
2071 Logger::log('Update activity for ' . json_encode($condition));
2073 DBA::update('item-activity', $fields, $condition, true);
2079 * @brief Update existing item content entries
2081 * @param array $item The item fields that are to be changed
2082 * @param array $condition The condition for finding the item content entries
2083 * @throws \Exception
2085 private static function updateContent($item, $condition)
2087 // We have to select only the fields from the "item-content" table
2089 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2090 if (isset($item[$field])) {
2091 $fields[$field] = $item[$field];
2095 if (empty($fields)) {
2096 // when there are no fields at all, just use the condition
2097 // This is to ensure that we always store content.
2098 $fields = $condition;
2101 Logger::log('Update content for ' . json_encode($condition));
2103 DBA::update('item-content', $fields, $condition, true);
2107 * @brief Distributes public items to the receivers
2109 * @param integer $itemid Item ID that should be added
2110 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2111 * @throws \Exception
2113 public static function distribute($itemid, $signed_text = '')
2115 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2116 $parent = self::selectFirst(['owner-id'], $condition);
2117 if (!DBA::isResult($parent)) {
2121 // Only distribute public items from native networks
2122 $condition = ['id' => $itemid, 'uid' => 0,
2123 'network' => array_merge(Protocol::FEDERATED ,['']),
2124 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2125 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2126 if (!DBA::isResult($item)) {
2130 $origin = $item['origin'];
2133 unset($item['parent']);
2134 unset($item['mention']);
2135 unset($item['wall']);
2136 unset($item['origin']);
2137 unset($item['starred']);
2141 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2142 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2143 if (!DBA::isResult($owner)) {
2147 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2148 $contacts = DBA::select('contact', ['uid'], $condition);
2149 while ($contact = DBA::fetch($contacts)) {
2150 if ($contact['uid'] == 0) {
2154 $users[$contact['uid']] = $contact['uid'];
2156 DBA::close($contacts);
2158 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2159 $contacts = DBA::select('contact', ['uid'], $condition);
2160 while ($contact = DBA::fetch($contacts)) {
2161 if ($contact['uid'] == 0) {
2165 $users[$contact['uid']] = $contact['uid'];
2167 DBA::close($contacts);
2169 if (!empty($owner['alias'])) {
2170 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2171 $contacts = DBA::select('contact', ['uid'], $condition);
2172 while ($contact = DBA::fetch($contacts)) {
2173 if ($contact['uid'] == 0) {
2177 $users[$contact['uid']] = $contact['uid'];
2179 DBA::close($contacts);
2184 if ($item['uri'] != $item['parent-uri']) {
2185 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2186 while ($parent = self::fetch($parents)) {
2187 $users[$parent['uid']] = $parent['uid'];
2188 if ($parent['origin'] && !$origin) {
2189 $origin_uid = $parent['uid'];
2194 foreach ($users as $uid) {
2195 if ($origin_uid == $uid) {
2196 $item['diaspora_signed_text'] = $signed_text;
2198 self::storeForUser($itemid, $item, $uid);
2203 * @brief Store public items for the receivers
2205 * @param integer $itemid Item ID that should be added
2206 * @param array $item The item entry that will be stored
2207 * @param integer $uid The user that will receive the item entry
2208 * @throws \Exception
2210 private static function storeForUser($itemid, $item, $uid)
2212 $item['uid'] = $uid;
2213 $item['origin'] = 0;
2215 if ($item['uri'] == $item['parent-uri']) {
2216 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2218 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2221 if (empty($item['contact-id'])) {
2222 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2223 if (!DBA::isResult($self)) {
2226 $item['contact-id'] = $self['id'];
2229 /// @todo Handling of "event-id"
2232 if ($item['uri'] == $item['parent-uri']) {
2233 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2234 if (DBA::isResult($contact)) {
2235 $notify = self::isRemoteSelf($contact, $item);
2239 $distributed = self::insert($item, false, $notify, true);
2241 if (!$distributed) {
2242 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2244 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2249 * @brief Add a shadow entry for a given item id that is a thread starter
2251 * We store every public item entry additionally with the user id "0".
2252 * This is used for the community page and for the search.
2253 * It is planned that in the future we will store public item entries only once.
2255 * @param integer $itemid Item ID that should be added
2256 * @throws \Exception
2258 public static function addShadow($itemid)
2260 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2261 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2262 $item = self::selectFirst($fields, $condition);
2264 if (!DBA::isResult($item)) {
2268 // is it already a copy?
2269 if (($itemid == 0) || ($item['uid'] == 0)) {
2273 // Is it a visible public post?
2274 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2278 // is it an entry from a connector? Only add an entry for natively connected networks
2279 if (!in_array($item["network"], array_merge(Protocol::FEDERATED ,['']))) {
2283 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2287 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2289 if (DBA::isResult($item)) {
2290 // Preparing public shadow (removing user specific data)
2293 unset($item['parent']);
2294 unset($item['wall']);
2295 unset($item['mention']);
2296 unset($item['origin']);
2297 unset($item['starred']);
2298 unset($item['postopts']);
2299 unset($item['inform']);
2300 if ($item['uri'] == $item['parent-uri']) {
2301 $item['contact-id'] = $item['owner-id'];
2303 $item['contact-id'] = $item['author-id'];
2306 $public_shadow = self::insert($item, false, false, true);
2308 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2313 * @brief Add a shadow entry for a given item id that is a comment
2315 * This function does the same like the function above - but for comments
2317 * @param integer $itemid Item ID that should be added
2318 * @throws \Exception
2320 public static function addShadowPost($itemid)
2322 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2323 if (!DBA::isResult($item)) {
2327 // Is it a toplevel post?
2328 if ($item['id'] == $item['parent']) {
2329 self::addShadow($itemid);
2333 // Is this a shadow entry?
2334 if ($item['uid'] == 0) {
2338 // Is there a shadow parent?
2339 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2343 // Is there already a shadow entry?
2344 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2348 // Save "origin" and "parent" state
2349 $origin = $item['origin'];
2350 $parent = $item['parent'];
2352 // Preparing public shadow (removing user specific data)
2355 unset($item['parent']);
2356 unset($item['wall']);
2357 unset($item['mention']);
2358 unset($item['origin']);
2359 unset($item['starred']);
2360 unset($item['postopts']);
2361 unset($item['inform']);
2362 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2364 $public_shadow = self::insert($item, false, false, true);
2366 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2368 // If this was a comment to a Diaspora post we don't get our comment back.
2369 // This means that we have to distribute the comment by ourselves.
2370 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2371 self::distribute($public_shadow);
2376 * Adds a language specification in a "language" element of given $arr.
2377 * Expects "body" element to exist in $arr.
2380 * @throws \Text_LanguageDetect_Exception
2382 private static function addLanguageToItemArray(&$item)
2384 $naked_body = BBCode::toPlaintext($item['body'], false);
2386 $ld = new Text_LanguageDetect();
2387 $ld->setNameMode(2);
2388 $languages = $ld->detect($naked_body, 3);
2390 if (is_array($languages)) {
2391 $item['language'] = json_encode($languages);
2396 * @brief Creates an unique guid out of a given uri
2398 * @param string $uri uri of an item entry
2399 * @param string $host hostname for the GUID prefix
2400 * @return string unique guid
2402 public static function guidFromUri($uri, $host)
2404 // Our regular guid routine is using this kind of prefix as well
2405 // We have to avoid that different routines could accidentally create the same value
2406 $parsed = parse_url($uri);
2408 // We use a hash of the hostname as prefix for the guid
2409 $guid_prefix = hash("crc32", $host);
2411 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2412 unset($parsed["scheme"]);
2414 // Glue it together to be able to make a hash from it
2415 $host_id = implode("/", $parsed);
2417 // We could use any hash algorithm since it isn't a security issue
2418 $host_hash = hash("ripemd128", $host_id);
2420 return $guid_prefix.$host_hash;
2424 * generate an unique URI
2426 * @param integer $uid User id
2427 * @param string $guid An existing GUID (Otherwise it will be generated)
2430 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2432 public static function newURI($uid, $guid = "")
2435 $guid = System::createUUID();
2438 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2442 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2444 * This can be used to filter for inactive contacts.
2445 * Only do this for public postings to avoid privacy problems, since poco data is public.
2446 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2448 * @param array $arr Contains the just posted item record
2449 * @throws \Exception
2451 private static function updateContact($arr)
2453 // Unarchive the author
2454 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2455 if (DBA::isResult($contact)) {
2456 Contact::unmarkForArchival($contact);
2459 // Unarchive the contact if it's not our own contact
2460 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2461 if (DBA::isResult($contact)) {
2462 Contact::unmarkForArchival($contact);
2465 $update = (!$arr['private'] && ((($arr['author-link'] ?? '') === ($arr['owner-link'] ?? '')) || ($arr["parent-uri"] === $arr["uri"])));
2467 // Is it a forum? Then we don't care about the rules from above
2468 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2469 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2475 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2476 ['id' => $arr['contact-id']]);
2478 // Now do the same for the system wide contacts with uid=0
2479 if (!$arr['private']) {
2480 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2481 ['id' => $arr['owner-id']]);
2483 if ($arr['owner-id'] != $arr['author-id']) {
2484 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2485 ['id' => $arr['author-id']]);
2490 public static function setHashtags(&$item)
2492 $tags = BBCode::getTags($item["body"]);
2495 if (!count($tags)) {
2499 // What happens in [code], stays in [code]!
2500 // escape the # and the [
2501 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2502 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2504 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2506 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2507 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2510 // This sorting is important when there are hashtags that are part of other hashtags
2511 // Otherwise there could be problems with hashtags like #test and #test2
2514 $URLSearchString = "^\[\]";
2516 // All hashtags should point to the home server if "local_tags" is activated
2517 if (Config::get('system', 'local_tags')) {
2518 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2519 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2521 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2522 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2525 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2526 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2528 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2531 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2533 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2536 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2538 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2541 // Repair recursive urls
2542 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2543 "#$2", $item["body"]);
2545 foreach ($tags as $tag) {
2546 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || $tag[1] == '#') {
2550 $basetag = str_replace('_',' ',substr($tag,1));
2551 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2553 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2555 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2556 if (strlen($item["tag"])) {
2557 $item["tag"] = ',' . $item["tag"];
2559 $item["tag"] = $newtag . $item["tag"];
2563 // Convert back the masked hashtags
2564 $item["body"] = str_replace("#", "#", $item["body"]);
2566 // Remember! What happens in [code], stays in [code]
2567 // roleback the # and [
2568 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2570 // we truly unESCape all sharp and leftsquarebracket
2571 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2572 $replace = ['#', '['];
2573 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2578 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2581 * @param int $item_id
2582 * @return boolean true if item was deleted, else false
2583 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2584 * @throws \ImagickException
2586 private static function tagDeliver($uid, $item_id)
2590 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2591 if (!DBA::isResult($user)) {
2595 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2596 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2598 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2599 if (!DBA::isResult($item)) {
2603 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2606 * Diaspora uses their own hardwired link URL in @-tags
2607 * instead of the one we supply with webfinger
2609 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2611 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2613 foreach ($matches as $mtch) {
2614 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2616 Logger::log('mention found: ' . $mtch[2]);
2622 if (($community_page || $prvgroup) &&
2623 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2624 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2626 Logger::log("no-mention top-level post to community or private group. delete.");
2627 DBA::delete('item', ['id' => $item_id]);
2633 $arr = ['item' => $item, 'user' => $user];
2635 Hook::callAll('tagged', $arr);
2637 if (!$community_page && !$prvgroup) {
2642 * tgroup delivery - setup a second delivery chain
2643 * prevent delivery looping - only proceed
2644 * if the message originated elsewhere and is a top-level post
2646 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2650 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2651 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2652 if (!DBA::isResult($self)) {
2656 $owner_id = Contact::getIdForURL($self['url']);
2658 // also reset all the privacy bits to the forum default permissions
2660 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2662 $psid = PermissionSet::fetchIDForPost($user);
2664 $forum_mode = ($prvgroup ? 2 : 1);
2666 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2667 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2668 self::update($fields, ['id' => $item_id]);
2670 self::updateThread($item_id);
2672 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2677 public static function isRemoteSelf($contact, &$datarray)
2681 if (!$contact['remote_self']) {
2685 // Prevent the forwarding of posts that are forwarded
2686 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2687 Logger::log('Already forwarded', Logger::DEBUG);
2691 // Prevent to forward already forwarded posts
2692 if ($datarray["app"] == $a->getHostName()) {
2693 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2697 // Only forward posts
2698 if ($datarray["verb"] != Activity::POST) {
2699 Logger::log('No post', Logger::DEBUG);
2703 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2704 Logger::log('Not public', Logger::DEBUG);
2708 $datarray2 = $datarray;
2709 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2710 if ($contact['remote_self'] == 2) {
2711 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2712 ['uid' => $contact['uid'], 'self' => true]);
2713 if (DBA::isResult($self)) {
2714 $datarray['contact-id'] = $self["id"];
2716 $datarray['owner-name'] = $self["name"];
2717 $datarray['owner-link'] = $self["url"];
2718 $datarray['owner-avatar'] = $self["thumb"];
2720 $datarray['author-name'] = $datarray['owner-name'];
2721 $datarray['author-link'] = $datarray['owner-link'];
2722 $datarray['author-avatar'] = $datarray['owner-avatar'];
2724 unset($datarray['edited']);
2726 unset($datarray['network']);
2727 unset($datarray['owner-id']);
2728 unset($datarray['author-id']);
2731 if ($contact['network'] != Protocol::FEED) {
2732 $datarray["guid"] = System::createUUID();
2733 unset($datarray["plink"]);
2734 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2735 $datarray["parent-uri"] = $datarray["uri"];
2736 $datarray["thr-parent"] = $datarray["uri"];
2737 $datarray["extid"] = Protocol::DFRN;
2738 $urlpart = parse_url($datarray2['author-link']);
2739 $datarray["app"] = $urlpart["host"];
2741 $datarray['private'] = 0;
2745 if ($contact['network'] != Protocol::FEED) {
2746 // Store the original post
2747 $result = self::insert($datarray2, false, false);
2748 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2750 $datarray["app"] = "Feed";
2754 // Trigger automatic reactions for addons
2755 $datarray['api_source'] = true;
2757 // We have to tell the hooks who we are - this really should be improved
2758 $_SESSION["authenticated"] = true;
2759 $_SESSION["uid"] = $contact['uid'];
2768 * @param array $item
2771 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2772 * @throws \ImagickException
2774 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2776 if (Config::get('system', 'disable_embedded')) {
2780 Logger::log('check for photos', Logger::DEBUG);
2781 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2786 $img_start = strpos($orig_body, '[img');
2787 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2788 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2790 while (($img_st_close !== false) && ($img_len !== false)) {
2791 $img_st_close++; // make it point to AFTER the closing bracket
2792 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2794 Logger::log('found photo ' . $image, Logger::DEBUG);
2796 if (stristr($image, $site . '/photo/')) {
2797 // Only embed locally hosted photos
2799 $i = basename($image);
2800 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2801 $x = strpos($i, '-');
2804 $res = substr($i, $x + 1);
2805 $i = substr($i, 0, $x);
2806 $photo = Photo::getPhotoForUser($uid, $i, $res);
2807 if (DBA::isResult($photo)) {
2809 * Check to see if we should replace this photo link with an embedded image
2810 * 1. No need to do so if the photo is public
2811 * 2. If there's a contact-id provided, see if they're in the access list
2812 * for the photo. If so, embed it.
2813 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2814 * permissions, regardless of order but first check to see if they're an exact
2815 * match to save some processing overhead.
2817 if (self::hasPermissions($photo)) {
2819 $recips = self::enumeratePermissions($photo);
2820 if (in_array($cid, $recips)) {
2824 if (self::samePermissions($uid, $item, $photo)) {
2830 $photo_img = Photo::getImageForPhoto($photo);
2831 // If a custom width and height were specified, apply before embedding
2832 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2833 Logger::log('scaling photo', Logger::DEBUG);
2835 $width = intval($match[1]);
2836 $height = intval($match[2]);
2838 $photo_img->scaleDown(max($width, $height));
2841 $data = $photo_img->asString();
2842 $type = $photo_img->getType();
2844 Logger::log('replacing photo', Logger::DEBUG);
2845 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2846 Logger::log('replaced: ' . $image, Logger::DATA);
2852 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2853 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2854 if ($orig_body === false) {
2858 $img_start = strpos($orig_body, '[img');
2859 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2860 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2863 $new_body = $new_body . $orig_body;
2868 private static function hasPermissions($obj)
2870 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2871 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2874 private static function samePermissions($uid, $obj1, $obj2)
2876 // first part is easy. Check that these are exactly the same.
2877 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2878 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2879 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2880 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2884 // This is harder. Parse all the permissions and compare the resulting set.
2885 $recipients1 = self::enumeratePermissions($obj1);
2886 $recipients2 = self::enumeratePermissions($obj2);
2890 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2891 return ($recipients1 == $recipients2);
2895 * Returns an array of contact-ids that are allowed to see this object
2897 * @param array $obj Item array with at least uid, allow_cid, allow_gid, deny_cid and deny_gid
2898 * @param bool $check_dead Prunes unavailable contacts from the result
2900 * @throws \Exception
2902 public static function enumeratePermissions(array $obj, bool $check_dead = false)
2904 /** @var ACLFormatter $aclFormater */
2905 $aclFormater = self::getClass(ACLFormatter::class);
2907 $allow_people = $aclFormater->expand($obj['allow_cid']);
2908 $allow_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['allow_gid']), $check_dead);
2909 $deny_people = $aclFormater->expand($obj['deny_cid']);
2910 $deny_groups = Group::expand($obj['uid'], $aclFormater->expand($obj['deny_gid']), $check_dead);
2911 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2912 $deny = array_unique(array_merge($deny_people, $deny_groups));
2913 $recipients = array_diff($recipients, $deny);
2917 public static function getFeedTags($item)
2921 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2923 for ($x = 0; $x < $cnt; $x ++) {
2924 if ($matches[1][$x]) {
2925 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2930 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2932 for ($x = 0; $x < $cnt; $x ++) {
2933 if ($matches[1][$x]) {
2934 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2941 public static function expire($uid, $days, $network = "", $force = false)
2943 if (!$uid || ($days < 1)) {
2947 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2948 $uid, GRAVITY_PARENT];
2951 * $expire_network_only = save your own wall posts
2952 * and just expire conversations started by others
2954 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2956 if ($expire_network_only) {
2957 $condition[0] .= " AND NOT `wall`";
2960 if ($network != "") {
2961 $condition[0] .= " AND `network` = ?";
2962 $condition[] = $network;
2965 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2966 $condition[] = $days;
2968 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2970 if (!DBA::isResult($items)) {
2974 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2976 // Forcing expiring of items - but not notes and marked items
2978 $expire_items = true;
2981 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2982 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2983 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2987 while ($item = Item::fetch($items)) {
2988 // don't expire filed items
2990 if (strpos($item['file'], '[') !== false) {
2994 // Only expire posts, not photos and photo comments
2996 if (!$expire_photos && strlen($item['resource-id'])) {
2998 } elseif (!$expire_starred && intval($item['starred'])) {
3000 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
3002 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
3006 self::deleteById($item['id'], PRIORITY_LOW);
3011 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
3014 public static function firstPostDate($uid, $wall = false)
3016 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
3017 $params = ['order' => ['received' => false]];
3018 $thread = DBA::selectFirst('thread', ['received'], $condition, $params);
3019 if (DBA::isResult($thread)) {
3020 return substr(DateTimeFormat::local($thread['received']), 0, 10);
3026 * @brief add/remove activity to an item
3028 * Toggle activities as like,dislike,attend of an item
3030 * @param string $item_id
3031 * @param string $verb
3032 * Activity verb. One of
3033 * like, unlike, dislike, undislike, attendyes, unattendyes,
3034 * attendno, unattendno, attendmaybe, unattendmaybe
3036 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3037 * @throws \ImagickException
3038 * @hook 'post_local_end'
3040 * 'post_id' => ID of posted item
3042 public static function performLike($item_id, $verb)
3044 if (!Session::isAuthenticated()) {
3051 $activity = Activity::LIKE;
3055 $activity = Activity::DISLIKE;
3059 $activity = Activity::ATTEND;
3063 $activity = Activity::ATTENDNO;
3066 case 'unattendmaybe':
3067 $activity = Activity::ATTENDMAYBE;
3070 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3074 // Enable activity toggling instead of on/off
3075 $event_verb_flag = $activity === Activity::ATTEND || $activity === Activity::ATTENDNO || $activity === Activity::ATTENDMAYBE;
3077 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3079 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3080 if (!DBA::isResult($item)) {
3081 Logger::log('like: unknown item ' . $item_id);
3085 $item_uri = $item['uri'];
3087 $uid = $item['uid'];
3088 if (($uid == 0) && local_user()) {
3089 $uid = local_user();
3092 if (!Security::canWriteToUserWall($uid)) {
3093 Logger::log('like: unable to write on wall ' . $uid);
3097 // Retrieves the local post owner
3098 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3099 if (!DBA::isResult($owner_self_contact)) {
3100 Logger::log('like: unknown owner ' . $uid);
3104 // Retrieve the current logged in user's public contact
3105 $author_id = public_contact();
3107 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3108 if (!DBA::isResult($author_contact)) {
3109 Logger::log('like: unknown author ' . $author_id);
3113 // Contact-id is the uid-dependant author contact
3114 if (local_user() == $uid) {
3115 $item_contact_id = $owner_self_contact['id'];
3117 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3118 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3119 if (!DBA::isResult($item_contact)) {
3120 Logger::log('like: unknown item contact ' . $item_contact_id);
3125 // Look for an existing verb row
3126 // event participation are essentially radio toggles. If you make a subsequent choice,
3127 // we need to eradicate your first choice.
3128 if ($event_verb_flag) {
3129 $verbs = [Activity::ATTEND, Activity::ATTENDNO, Activity::ATTENDMAYBE];
3131 // Translate to the index based activity index
3133 foreach ($verbs as $verb) {
3134 $activities[] = self::activityToIndex($verb);
3137 $activities = self::activityToIndex($activity);
3140 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3141 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3143 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3145 // If it exists, mark it as deleted
3146 if (DBA::isResult($like_item)) {
3147 self::deleteById($like_item['id']);
3149 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3154 // Verb is "un-something", just trying to delete existing entries
3155 if (strpos($verb, 'un') === 0) {
3159 $objtype = $item['resource-id'] ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE;
3162 'guid' => System::createUUID(),
3163 'uri' => self::newURI($item['uid']),
3164 'uid' => $item['uid'],
3165 'contact-id' => $item_contact_id,
3166 'wall' => $item['wall'],
3168 'network' => Protocol::DFRN,
3169 'gravity' => GRAVITY_ACTIVITY,
3170 'parent' => $item['id'],
3171 'parent-uri' => $item['uri'],
3172 'thr-parent' => $item['uri'],
3173 'owner-id' => $author_id,
3174 'author-id' => $author_id,
3175 'body' => $activity,
3176 'verb' => $activity,
3177 'object-type' => $objtype,
3178 'allow_cid' => $item['allow_cid'],
3179 'allow_gid' => $item['allow_gid'],
3180 'deny_cid' => $item['deny_cid'],
3181 'deny_gid' => $item['deny_gid'],
3186 $signed = Diaspora::createLikeSignature($uid, $new_item);
3187 if (!empty($signed)) {
3188 $new_item['diaspora_signed_text'] = json_encode($signed);
3191 $new_item_id = self::insert($new_item);
3193 // If the parent item isn't visible then set it to visible
3194 if (!$item['visible']) {
3195 self::update(['visible' => true], ['id' => $item['id']]);
3198 $new_item['id'] = $new_item_id;
3200 Hook::callAll('post_local_end', $new_item);
3205 private static function addThread($itemid, $onlyshadow = false)
3207 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3208 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3209 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3210 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3211 $item = self::selectFirst($fields, $condition);
3213 if (!DBA::isResult($item)) {
3217 $item['iid'] = $itemid;
3220 $result = DBA::insert('thread', $item);
3222 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3226 private static function updateThread($itemid, $setmention = false)
3228 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3229 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3230 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3231 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3233 $item = self::selectFirst($fields, $condition);
3234 if (!DBA::isResult($item)) {
3239 $item["mention"] = 1;
3244 foreach ($item as $field => $data) {
3245 if (!in_array($field, ["guid"])) {
3246 $fields[$field] = $data;
3250 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3252 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3255 private static function deleteThread($itemid, $itemuri = "")
3257 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3258 if (!DBA::isResult($item)) {
3259 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3263 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3265 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3267 if ($itemuri != "") {
3268 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3269 if (!self::exists($condition)) {
3270 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3271 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3276 public static function getPermissionsSQLByUserId($owner_id)
3278 $local_user = local_user();
3279 $remote_user = Session::getRemoteContactID($owner_id);
3282 * Construct permissions
3284 * default permissions - anonymous user
3286 $sql = " AND NOT `item`.`private`";
3288 // Profile owner - everything is visible
3289 if ($local_user && ($local_user == $owner_id)) {
3291 } elseif ($remote_user) {
3293 * Authenticated visitor. Unless pre-verified,
3294 * check that the contact belongs to this $owner_id
3295 * and load the groups the visitor belongs to.
3296 * If pre-verified, the caller is expected to have already
3297 * done this and passed the groups into this function.
3299 $set = PermissionSet::get($owner_id, $remote_user);
3302 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3307 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3314 * get translated item type
3319 public static function postType($item)
3321 if (!empty($item['event-id'])) {
3322 return L10n::t('event');
3323 } elseif (!empty($item['resource-id'])) {
3324 return L10n::t('photo');
3325 } elseif (!empty($item['verb']) && $item['verb'] !== Activity::POST) {
3326 return L10n::t('activity');
3327 } elseif ($item['id'] != $item['parent']) {
3328 return L10n::t('comment');
3331 return L10n::t('post');
3335 * Sets the "rendered-html" field of the provided item
3337 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3339 * @param array $item
3340 * @param bool $update
3342 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3343 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3345 public static function putInCache(&$item, $update = false)
3347 $body = $item["body"];
3349 $rendered_hash = $item['rendered-hash'] ?? '';
3350 $rendered_html = $item['rendered-html'] ?? '';
3352 if ($rendered_hash == ''
3353 || $rendered_html == ""
3354 || $rendered_hash != hash("md5", $item["body"])
3355 || Config::get("system", "ignore_cache")
3357 self::addRedirToImageTags($item);
3359 $item["rendered-html"] = BBCode::convert($item["body"]);
3360 $item["rendered-hash"] = hash("md5", $item["body"]);
3362 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3363 Hook::callAll('put_item_in_cache', $hook_data);
3364 $item['rendered-html'] = $hook_data['rendered-html'];
3365 $item['rendered-hash'] = $hook_data['rendered-hash'];
3368 // Force an update if the generated values differ from the existing ones
3369 if ($rendered_hash != $item["rendered-hash"]) {
3373 // Only compare the HTML when we forcefully ignore the cache
3374 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3378 if ($update && !empty($item["id"])) {
3381 'rendered-html' => $item["rendered-html"],
3382 'rendered-hash' => $item["rendered-hash"]
3384 ['id' => $item["id"]]
3389 $item["body"] = $body;
3393 * @brief Find any non-embedded images in private items and add redir links to them
3395 * @param array &$item The field array of an item row
3397 private static function addRedirToImageTags(array &$item)
3399 $app = self::getApp();
3402 $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER);
3404 foreach ($matches as $mtch) {
3405 if (strpos($mtch[1], '/redir') !== false) {
3409 if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $app->contact['id']) && ($item['network'] == Protocol::DFRN)) {
3410 $img_url = 'redir/' . $item['contact-id'] . '?url=' . urlencode($mtch[1]);
3411 $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']);
3418 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3419 * If attach is true, also add icons for item attachments.
3421 * @param array $item
3422 * @param boolean $attach
3423 * @param boolean $is_preview
3424 * @return string item body html
3425 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3426 * @throws \ImagickException
3427 * @hook prepare_body_init item array before any work
3428 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3429 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3430 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3432 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3434 $a = self::getApp();
3435 Hook::callAll('prepare_body_init', $item);
3437 // In order to provide theme developers more possibilities, event items
3438 // are treated differently.
3439 if ($item['object-type'] === Activity\ObjectType::EVENT && isset($item['event-id'])) {
3440 $ev = Event::getItemHTML($item);
3444 $tags = Term::populateTagsFromItem($item);
3446 $item['tags'] = $tags['tags'];
3447 $item['hashtags'] = $tags['hashtags'];
3448 $item['mentions'] = $tags['mentions'];
3450 // Compile eventual content filter reasons
3451 $filter_reasons = [];
3452 if (!$is_preview && public_contact() != $item['author-id']) {
3453 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3454 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3459 'filter_reasons' => $filter_reasons
3461 Hook::callAll('prepare_body_content_filter', $hook_data);
3462 $filter_reasons = $hook_data['filter_reasons'];
3466 // Update the cached values if there is no "zrl=..." on the links.
3467 $update = (!Session::isAuthenticated() && ($item["uid"] == 0));
3469 // Or update it if the current viewer is the intented viewer.
3470 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3474 self::putInCache($item, $update);
3475 $s = $item["rendered-html"];
3480 'preview' => $is_preview,
3481 'filter_reasons' => $filter_reasons
3483 Hook::callAll('prepare_body', $hook_data);
3484 $s = $hook_data['html'];
3488 // Replace the blockquotes with quotes that are used in mails.
3489 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3490 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3497 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3498 foreach ($matches as $mtch) {
3501 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3503 if (strpos($mime, 'video') !== false) {
3506 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3509 $url_parts = explode('/', $the_url);
3510 $id = end($url_parts);
3511 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3514 'title' => L10n::t('View Video'),
3521 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3523 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3524 $filesubtype = str_replace('.', '-', $filesubtype);
3527 $filesubtype = 'unkn';
3530 $title = Strings::escapeHtml(trim(($mtch[4] ?? '') ?: $mtch[1]));
3531 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3533 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3534 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3538 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3542 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3543 $x = Map::byCoordinates(trim($item['coord']));
3545 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3549 // Replace friendica image url size with theme preference.
3550 if (!empty($a->theme_info['item_image_size'])) {
3551 $ps = $a->theme_info['item_image_size'];
3552 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3555 $s = HTML::applyContentFilter($s, $filter_reasons);
3557 $hook_data = ['item' => $item, 'html' => $s];
3558 Hook::callAll('prepare_body_final', $hook_data);
3560 return $hook_data['html'];
3564 * get private link for item
3566 * @param array $item
3567 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3568 * @throws \Exception
3570 public static function getPlink($item)
3572 $a = self::getApp();
3574 if ($a->user['nickname'] != "") {
3576 'href' => "display/" . $item['guid'],
3577 'orig' => "display/" . $item['guid'],
3578 'title' => L10n::t('View on separate page'),
3579 'orig_title' => L10n::t('view on separate page'),
3582 if (!empty($item['plink'])) {
3583 $ret["href"] = $a->removeBaseURL($item['plink']);
3584 $ret["title"] = L10n::t('link to source');
3587 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3589 'href' => $item['plink'],
3590 'orig' => $item['plink'],
3591 'title' => L10n::t('link to source'),
3601 * Is the given item array a post that is sent as starting post to a forum?
3603 * @param array $item
3604 * @param array $owner
3606 * @return boolean "true" when it is a forum post
3608 public static function isForumPost(array $item, array $owner = [])
3610 if (empty($owner)) {
3611 $owner = User::getOwnerDataById($item['uid']);
3612 if (empty($owner)) {
3617 if (($item['author-id'] == $item['owner-id']) ||
3618 ($owner['id'] == $item['contact-id']) ||
3619 ($item['uri'] != $item['parent-uri']) ||
3624 return Contact::isForum($item['contact-id']);
3628 * Search item id for given URI or plink
3630 * @param string $uri
3631 * @param integer $uid
3633 * @return integer item id
3635 public static function searchByLink($uri, $uid = 0)
3637 $ssl_uri = str_replace('http://', 'https://', $uri);
3638 $uris = [$uri, $ssl_uri, Strings::normaliseLink($uri)];
3640 $item = DBA::selectFirst('item', ['id'], ['uri' => $uris, 'uid' => $uid]);
3641 if (DBA::isResult($item)) {
3645 $itemcontent = DBA::selectFirst('item-content', ['uri-id'], ['plink' => $uris]);
3646 if (!DBA::isResult($itemcontent)) {
3650 $itemuri = DBA::selectFirst('item-uri', ['uri'], ['id' => $itemcontent['uri-id']]);
3651 if (!DBA::isResult($itemuri)) {
3655 $item = DBA::selectFirst('item', ['id'], ['uri' => $itemuri['uri'], 'uid' => $uid]);
3656 if (DBA::isResult($item)) {
3664 * Fetches item for given URI or plink
3666 * @param string $uri
3667 * @param integer $uid
3669 * @return integer item id
3671 public static function fetchByLink($uri, $uid = 0)
3673 $item_id = self::searchByLink($uri, $uid);
3674 if (!empty($item_id)) {
3678 if (ActivityPub\Processor::fetchMissingActivity($uri)) {
3679 $item_id = self::searchByLink($uri, $uid);
3681 $item_id = Diaspora::fetchByURL($uri);
3684 if (!empty($item_id)) {