4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Content\Text\HTML;
12 use Friendica\Core\Config;
13 use Friendica\Core\Hook;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\Logger;
17 use Friendica\Core\PConfig;
18 use Friendica\Core\Protocol;
19 use Friendica\Core\Renderer;
20 use Friendica\Core\System;
21 use Friendica\Core\Worker;
22 use Friendica\Database\DBA;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\Map;
27 use Friendica\Util\Network;
28 use Friendica\Util\Security;
29 use Friendica\Util\Strings;
30 use Friendica\Util\XML;
31 use Friendica\Worker\Delivery;
32 use Text_LanguageDetect;
34 class Item extends BaseObject
36 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
43 const PT_DOCUMENT = 19;
45 const PT_PERSONAL_NOTE = 128;
47 // Field list that is used to display the items
48 const DISPLAY_FIELDLIST = [
49 'uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network', 'gravity',
50 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
51 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
52 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
53 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
54 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
55 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
56 'contact-id', 'contact-uid', 'contact-link', 'contact-name', 'contact-avatar',
57 'writable', 'self', 'cid', 'alias',
58 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
59 'event-summary', 'event-desc', 'event-location', 'event-type',
60 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id',
61 'delivery_queue_count', 'delivery_queue_done'
64 // Field list that is used to deliver items via the protocols
65 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
66 'parent-guid', 'created', 'edited', 'verb', 'object-type', 'object', 'target',
67 'private', 'title', 'body', 'location', 'coord', 'app',
68 'attach', 'tag', 'deleted', 'extid', 'post-type',
69 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
70 'author-id', 'author-link', 'owner-link', 'contact-uid',
71 'signed_text', 'signature', 'signer', 'network'];
73 // Field list for "item-content" table that is mixed with the item table
74 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
75 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
76 'object-type', 'object', 'target-type', 'target', 'plink'];
78 // Field list for "item-content" table that is not present in the "item" table
79 const CONTENT_FIELDLIST = ['language'];
81 // All fields in the item table
82 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
83 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
84 'created', 'edited', 'commented', 'received', 'changed', 'verb',
85 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
86 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
87 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
88 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
89 'title', 'content-warning', 'body', 'location', 'coord', 'app',
90 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
91 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
92 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
94 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
95 // The item-activity table only stores the index and needs this array to know the matching activity.
96 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE, ACTIVITY_FOLLOW, ACTIVITY2_ANNOUNCE];
98 private static $legacy_mode = null;
100 public static function isLegacyMode()
102 if (is_null(self::$legacy_mode)) {
103 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
106 return self::$legacy_mode;
110 * @brief returns an activity index from an activity string
112 * @param string $activity activity string
113 * @return integer Activity index
115 public static function activityToIndex($activity)
117 $index = array_search($activity, self::ACTIVITIES);
119 if (is_bool($index)) {
127 * @brief returns an activity string from an activity index
129 * @param integer $index activity index
130 * @return string Activity string
132 private static function indexToActivity($index)
134 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
138 return self::ACTIVITIES[$index];
142 * @brief Fetch a single item row
144 * @param mixed $stmt statement object
145 * @return array current row
147 public static function fetch($stmt)
149 $row = DBA::fetch($stmt);
155 // ---------------------- Transform item structure data ----------------------
157 // We prefer the data from the user's contact over the public one
158 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
159 ($row['author-link'] == $row['contact-link'])) {
160 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
161 $row['author-avatar'] = $row['contact-avatar'];
163 if (isset($row['author-name']) && !empty($row['contact-name'])) {
164 $row['author-name'] = $row['contact-name'];
168 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
169 ($row['owner-link'] == $row['contact-link'])) {
170 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
171 $row['owner-avatar'] = $row['contact-avatar'];
173 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
174 $row['owner-name'] = $row['contact-name'];
178 // We can always comment on posts from these networks
179 if (array_key_exists('writable', $row) &&
180 in_array($row['internal-network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
181 $row['writable'] = true;
184 // ---------------------- Transform item content data ----------------------
186 // Fetch data from the item-content table whenever there is content there
187 if (self::isLegacyMode()) {
188 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
189 foreach ($legacy_fields as $field) {
190 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
191 $row[$field] = $row['internal-item-' . $field];
193 unset($row['internal-item-' . $field]);
197 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
198 $row['verb'] = self::indexToActivity($row['internal-activity']);
199 if (array_key_exists('title', $row)) {
202 if (array_key_exists('body', $row)) {
203 $row['body'] = $row['verb'];
205 if (array_key_exists('object', $row)) {
208 if (array_key_exists('object-type', $row)) {
209 $row['object-type'] = ACTIVITY_OBJ_NOTE;
211 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
212 // Posts don't have an object or target - but having tags or files.
213 // We safe some performance by building tag and file strings only here.
214 // We remove object and target since they aren't used for this type.
215 if (array_key_exists('object', $row)) {
218 if (array_key_exists('target', $row)) {
223 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
224 // Build the tag string out of the term entries
225 if (array_key_exists('tag', $row) && empty($row['tag'])) {
226 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
229 // Build the file string out of the term entries
230 if (array_key_exists('file', $row) && empty($row['file'])) {
231 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
235 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
236 $row['signed_text'] = $row['interaction'];
239 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
240 $row['ignored'] = $row['internal-user-ignored'];
243 // Remove internal fields
244 unset($row['internal-activity']);
245 unset($row['internal-network']);
246 unset($row['internal-iid']);
247 unset($row['internal-iaid']);
248 unset($row['internal-icid']);
249 unset($row['internal-user-ignored']);
250 unset($row['interaction']);
256 * @brief Fills an array with data from an item query
258 * @param object $stmt statement object
259 * @param bool $do_close
260 * @return array Data array
262 public static function inArray($stmt, $do_close = true) {
263 if (is_bool($stmt)) {
268 while ($row = self::fetch($stmt)) {
278 * @brief Check if item data exists
280 * @param array $condition array of fields for condition
282 * @return boolean Are there rows for that condition?
285 public static function exists($condition) {
286 $stmt = self::select(['id'], $condition, ['limit' => 1]);
288 if (is_bool($stmt)) {
291 $retval = (DBA::numRows($stmt) > 0);
300 * Retrieve a single record from the item table for a given user and returns it in an associative array
302 * @brief Retrieve a single record from a table
303 * @param integer $uid User ID
304 * @param array $selected
305 * @param array $condition
306 * @param array $params
311 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
313 $params['uid'] = $uid;
315 if (empty($selected)) {
316 $selected = Item::DISPLAY_FIELDLIST;
319 return self::selectFirst($selected, $condition, $params);
323 * @brief Select rows from the item table for a given user
325 * @param integer $uid User ID
326 * @param array $selected Array of selected fields, empty for all
327 * @param array $condition Array of fields for condition
328 * @param array $params Array of several parameters
330 * @return boolean|object
333 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
335 $params['uid'] = $uid;
337 if (empty($selected)) {
338 $selected = Item::DISPLAY_FIELDLIST;
341 return self::select($selected, $condition, $params);
345 * Retrieve a single record from the item table and returns it in an associative array
347 * @brief Retrieve a single record from a table
348 * @param array $fields
349 * @param array $condition
350 * @param array $params
355 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
357 $params['limit'] = 1;
359 $result = self::select($fields, $condition, $params);
361 if (is_bool($result)) {
364 $row = self::fetch($result);
371 * @brief Select rows from the item table
373 * @param array $selected Array of selected fields, empty for all
374 * @param array $condition Array of fields for condition
375 * @param array $params Array of several parameters
377 * @return boolean|object
380 public static function select(array $selected = [], array $condition = [], $params = [])
385 if (isset($params['uid'])) {
386 $uid = $params['uid'];
390 $fields = self::fieldlist($usermode);
392 $select_fields = self::constructSelectFields($fields, $selected);
394 $condition_string = DBA::buildCondition($condition);
396 $condition_string = self::addTablesToFields($condition_string, $fields);
399 $condition_string = $condition_string . ' AND ' . self::condition(false);
402 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
404 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
406 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
408 return DBA::p($sql, $condition);
412 * @brief Select rows from the starting post in the item table
414 * @param integer $uid User ID
415 * @param array $selected
416 * @param array $condition Array of fields for condition
417 * @param array $params Array of several parameters
419 * @return boolean|object
422 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
424 $params['uid'] = $uid;
426 if (empty($selected)) {
427 $selected = Item::DISPLAY_FIELDLIST;
430 return self::selectThread($selected, $condition, $params);
434 * Retrieve a single record from the starting post in the item table and returns it in an associative array
436 * @brief Retrieve a single record from a table
437 * @param integer $uid User ID
438 * @param array $selected
439 * @param array $condition
440 * @param array $params
445 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
447 $params['uid'] = $uid;
449 if (empty($selected)) {
450 $selected = Item::DISPLAY_FIELDLIST;
453 return self::selectFirstThread($selected, $condition, $params);
457 * Retrieve a single record from the starting post in the item table and returns it in an associative array
459 * @brief Retrieve a single record from a table
460 * @param array $fields
461 * @param array $condition
462 * @param array $params
467 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
469 $params['limit'] = 1;
470 $result = self::selectThread($fields, $condition, $params);
472 if (is_bool($result)) {
475 $row = self::fetch($result);
482 * @brief Select rows from the starting post in the item table
484 * @param array $selected Array of selected fields, empty for all
485 * @param array $condition Array of fields for condition
486 * @param array $params Array of several parameters
488 * @return boolean|object
491 public static function selectThread(array $selected = [], array $condition = [], $params = [])
496 if (isset($params['uid'])) {
497 $uid = $params['uid'];
501 $fields = self::fieldlist($usermode);
503 $fields['thread'] = ['mention', 'ignored', 'iid'];
505 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
506 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
507 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
508 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
510 $select_fields = self::constructSelectFields($fields, $selected);
512 $condition_string = DBA::buildCondition($condition);
514 $condition_string = self::addTablesToFields($condition_string, $threadfields);
515 $condition_string = self::addTablesToFields($condition_string, $fields);
518 $condition_string = $condition_string . ' AND ' . self::condition(true);
521 $param_string = DBA::buildParameter($params);
522 $param_string = self::addTablesToFields($param_string, $threadfields);
523 $param_string = self::addTablesToFields($param_string, $fields);
525 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
527 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
529 return DBA::p($sql, $condition);
533 * @brief Returns a list of fields that are associated with the item table
536 * @return array field list
538 private static function fieldlist($usermode)
542 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
543 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
544 'created', 'edited', 'commented', 'received', 'changed', 'psid',
545 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
546 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
547 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
548 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
549 'network' => 'internal-network', 'icid' => 'internal-icid',
550 'iaid' => 'internal-iaid'];
553 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
556 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
558 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
560 $fields['item-delivery-data'] = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, ItemDeliveryData::FIELD_LIST);
562 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
564 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'addr' => 'author-addr',
565 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
567 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'addr' => 'owner-addr',
568 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
570 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
571 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
572 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
574 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
576 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
578 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
579 'start' => 'event-start','finish' => 'event-finish',
580 'summary' => 'event-summary','desc' => 'event-desc',
581 'location' => 'event-location', 'type' => 'event-type',
582 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
583 'ignore' => 'event-ignore', 'id' => 'event-id'];
585 $fields['sign'] = ['signed_text', 'signature', 'signer'];
587 $fields['diaspora-interaction'] = ['interaction'];
593 * @brief Returns SQL condition for the "select" functions
595 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
597 * @return string SQL condition
599 private static function condition($thread_mode)
602 $master_table = "`thread`";
604 $master_table = "`item`";
606 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
607 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
608 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
609 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
610 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
611 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
612 GRAVITY_PARENT, GRAVITY_PARENT);
616 * @brief Returns all needed "JOIN" commands for the "select" functions
618 * @param integer $uid User ID
619 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
620 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
623 * @return string The SQL joins for the "select" functions
625 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
628 $master_table = "`thread`";
629 $master_table_key = "`thread`.`iid`";
630 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
632 $master_table = "`item`";
633 $master_table_key = "`item`.`id`";
638 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
639 AND NOT `contact`.`blocked`
640 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
641 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
642 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
643 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
644 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
645 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
646 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
647 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
649 if (strpos($sql_commands, "`contact`.") !== false) {
650 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
652 if (strpos($sql_commands, "`author`.") !== false) {
653 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
655 if (strpos($sql_commands, "`owner`.") !== false) {
656 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
660 if (strpos($sql_commands, "`group_member`.") !== false) {
661 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
664 if (strpos($sql_commands, "`user`.") !== false) {
665 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
668 if (strpos($sql_commands, "`event`.") !== false) {
669 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
672 if (strpos($sql_commands, "`sign`.") !== false) {
673 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
676 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
677 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
680 if (strpos($sql_commands, "`item-activity`.") !== false) {
681 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
684 if (strpos($sql_commands, "`item-content`.") !== false) {
685 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
688 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
689 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
692 if (strpos($sql_commands, "`permissionset`.") !== false) {
693 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
696 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
697 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
700 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
701 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
708 * @brief Add the field list for the "select" functions
710 * @param array $fields The field definition array
711 * @param array $selected The array with the selected fields from the "select" functions
713 * @return string The field list
715 private static function constructSelectFields($fields, $selected)
717 if (!empty($selected)) {
718 $selected[] = 'internal-iid';
719 $selected[] = 'internal-iaid';
720 $selected[] = 'internal-icid';
721 $selected[] = 'internal-network';
724 if (in_array('verb', $selected)) {
725 $selected[] = 'internal-activity';
728 if (in_array('ignored', $selected)) {
729 $selected[] = 'internal-user-ignored';
732 if (in_array('signed_text', $selected)) {
733 $selected[] = 'interaction';
736 $legacy_fields = array_merge(ItemDeliveryData::LEGACY_FIELD_LIST, self::MIXED_CONTENT_FIELDLIST);
739 foreach ($fields as $table => $table_fields) {
740 foreach ($table_fields as $field => $select) {
741 if (empty($selected) || in_array($select, $selected)) {
742 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
743 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
745 if (is_int($field)) {
746 $selection[] = "`" . $table . "`.`" . $select . "`";
748 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
753 return implode(", ", $selection);
757 * @brief add table definition to fields in an SQL query
759 * @param string $query SQL query
760 * @param array $fields The field definition array
762 * @return string the changed SQL query
764 private static function addTablesToFields($query, $fields)
766 foreach ($fields as $table => $table_fields) {
767 foreach ($table_fields as $alias => $field) {
768 if (is_int($alias)) {
769 $replace_field = $field;
771 $replace_field = $alias;
774 $search = "/([^\.])`" . $field . "`/i";
775 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
776 $query = preg_replace($search, $replace, $query);
783 * @brief Update existing item entries
785 * @param array $fields The fields that are to be changed
786 * @param array $condition The condition for finding the item entries
788 * In the future we may have to change permissions as well.
789 * Then we had to add the user id as third parameter.
791 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
793 * @return integer|boolean number of affected rows - or "false" if there was an error
794 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
796 public static function update(array $fields, array $condition)
798 if (empty($condition) || empty($fields)) {
802 // To ensure the data integrity we do it in an transaction
805 // We cannot simply expand the condition to check for origin entries
806 // The condition needn't to be a simple array but could be a complex condition.
807 // And we have to execute this query before the update to ensure to fetch the same data.
808 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
810 $content_fields = [];
811 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
812 if (isset($fields[$field])) {
813 $content_fields[$field] = $fields[$field];
814 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
815 unset($fields[$field]);
817 $fields[$field] = null;
822 $delivery_data = ItemDeliveryData::extractFields($fields);
824 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link', 'postopts', 'inform'];
825 foreach ($clear_fields as $field) {
826 if (array_key_exists($field, $fields)) {
827 $fields[$field] = null;
831 if (array_key_exists('tag', $fields)) {
832 $tags = $fields['tag'];
833 $fields['tag'] = null;
838 if (array_key_exists('file', $fields)) {
839 $files = $fields['file'];
840 $fields['file'] = null;
845 if (!empty($fields)) {
846 $success = DBA::update('item', $fields, $condition);
855 // When there is no content for the "old" item table, this will count the fetched items
856 $rows = DBA::affectedRows();
858 while ($item = DBA::fetch($items)) {
859 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
860 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
862 if (empty($item['iaid'])) {
863 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
864 if (DBA::isResult($item_activity)) {
865 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
866 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
867 if (self::isLegacyMode()) {
868 $item_fields[$field] = null;
870 unset($item_fields[$field]);
873 DBA::update('item', $item_fields, ['id' => $item['id']]);
875 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
876 DBA::delete('item-content', ['id' => $item['icid']]);
879 } elseif (!empty($item['icid'])) {
880 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
882 if (!DBA::exists('item', ['icid' => $item['icid']])) {
883 DBA::delete('item-content', ['id' => $item['icid']]);
887 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
889 if (empty($item['icid'])) {
890 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
891 if (DBA::isResult($item_content)) {
892 $item_fields = ['icid' => $item_content['id']];
893 // Clear all fields in the item table that have a content in the item-content table
894 foreach ($item_content as $field => $content) {
895 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
896 if (self::isLegacyMode()) {
897 $item_fields[$field] = null;
899 unset($item_fields[$field]);
903 DBA::update('item', $item_fields, ['id' => $item['id']]);
908 if (!is_null($tags)) {
909 Term::insertFromTagFieldByItemId($item['id'], $tags);
910 if (!empty($item['tag'])) {
911 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
915 if (!is_null($files)) {
916 Term::insertFromFileFieldByItemId($item['id'], $files);
917 if (!empty($item['file'])) {
918 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
922 ItemDeliveryData::update($item['id'], $delivery_data);
924 self::updateThread($item['id']);
926 // We only need to notfiy others when it is an original entry from us.
927 // Only call the notifier when the item has some content relevant change.
928 if ($item['origin'] && in_array('edited', array_keys($fields))) {
929 Worker::add(PRIORITY_HIGH, "Notifier", Delivery::POST, $item['id']);
939 * @brief Delete an item and notify others about it - if it was ours
941 * @param array $condition The condition for finding the item entries
942 * @param integer $priority Priority for the notification
943 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
945 public static function delete($condition, $priority = PRIORITY_HIGH)
947 $items = self::select(['id'], $condition);
948 while ($item = self::fetch($items)) {
949 self::deleteById($item['id'], $priority);
955 * @brief Delete an item for an user and notify others about it - if it was ours
957 * @param array $condition The condition for finding the item entries
958 * @param integer $uid User who wants to delete this item
959 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
961 public static function deleteForUser($condition, $uid)
967 $items = self::select(['id', 'uid'], $condition);
968 while ($item = self::fetch($items)) {
969 // "Deleting" global items just means hiding them
970 if ($item['uid'] == 0) {
971 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
972 } elseif ($item['uid'] == $uid) {
973 self::deleteById($item['id'], PRIORITY_HIGH);
975 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
982 * @brief Delete an item and notify others about it - if it was ours
984 * @param integer $item_id Item ID that should be delete
985 * @param integer $priority Priority for the notification
987 * @return boolean success
988 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
990 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
992 // locate item to be deleted
993 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
994 'deleted', 'file', 'resource-id', 'event-id', 'attach',
995 'verb', 'object-type', 'object', 'target', 'contact-id',
996 'icid', 'iaid', 'psid'];
997 $item = self::selectFirst($fields, ['id' => $item_id]);
998 if (!DBA::isResult($item)) {
999 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
1003 if ($item['deleted']) {
1004 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
1008 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1009 if (!DBA::isResult($parent)) {
1010 $parent = ['origin' => false];
1013 // clean up categories and tags so they don't end up as orphans
1016 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1019 foreach ($matches as $mtch) {
1020 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],true);
1026 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1029 foreach ($matches as $mtch) {
1030 FileTag::unsaveFile($item['uid'], $item['id'], $mtch[1],false);
1035 * If item is a link to a photo resource, nuke all the associated photos
1036 * (visitors will not have photo resources)
1037 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1038 * generate a resource-id and therefore aren't intimately linked to the item.
1040 /// @TODO: this should first check if photo is used elsewhere
1041 if (strlen($item['resource-id'])) {
1042 Photo::delete(['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1045 // If item is a link to an event, delete the event.
1046 if (intval($item['event-id'])) {
1047 Event::delete($item['event-id']);
1050 // If item has attachments, drop them
1051 /// @TODO: this should first check if attachment is used elsewhere
1052 foreach (explode(",", $item['attach']) as $attach) {
1053 preg_match("|attach/(\d+)|", $attach, $matches);
1054 if (is_array($matches) && count($matches) > 1) {
1055 Attach::delete(['id' => $matches[1], 'uid' => $item['uid']]);
1059 // Delete tags that had been attached to other items
1060 self::deleteTagsFromItem($item);
1062 // Set the item to "deleted"
1063 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1064 DBA::update('item', $item_fields, ['id' => $item['id']]);
1066 Term::insertFromTagFieldByItemId($item['id'], '');
1067 Term::insertFromFileFieldByItemId($item['id'], '');
1068 self::deleteThread($item['id'], $item['parent-uri']);
1070 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1071 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1074 ItemDeliveryData::delete($item['id']);
1076 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1078 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1079 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1081 // When the permission set will be used in photo and events as well,
1082 // this query here needs to be extended.
1083 // @todo Currently deactivated. We need the permission set in the deletion process.
1084 // This is a reminder to add the removal somewhere else.
1085 //if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1086 // DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1089 // If it's the parent of a comment thread, kill all the kids
1090 if ($item['id'] == $item['parent']) {
1091 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1094 // Is it our comment and/or our thread?
1095 if ($item['origin'] || $parent['origin']) {
1097 // When we delete the original post we will delete all existing copies on the server as well
1098 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1100 // send the notification upstream/downstream
1101 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", Delivery::DELETION, intval($item['id']));
1102 } elseif ($item['uid'] != 0) {
1104 // When we delete just our local user copy of an item, we have to set a marker to hide it
1105 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1106 if (DBA::isResult($global_item)) {
1107 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1111 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1116 private static function deleteTagsFromItem($item)
1118 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1122 $xo = XML::parseString($item["object"], false);
1123 $xt = XML::parseString($item["target"], false);
1125 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1129 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1130 if (!DBA::isResult($i)) {
1134 // For tags, the owner cannot remove the tag on the author's copy of the post.
1135 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1136 $author_copy = $item["origin"];
1138 if (($owner_remove && $author_copy) || !$owner_remove) {
1142 $tags = explode(',', $i["tag"]);
1145 foreach ($tags as $tag) {
1146 if (trim($tag) !== trim($xo->body)) {
1147 $newtags[] = trim($tag);
1151 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1154 private static function guid($item, $notify)
1156 if (!empty($item['guid'])) {
1157 return Strings::escapeTags(trim($item['guid']));
1161 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1162 // We add the hash of our own host because our host is the original creator of the post.
1163 $prefix_host = \get_app()->getHostName();
1167 // We are only storing the post so we create a GUID from the original hostname.
1168 if (!empty($item['author-link'])) {
1169 $parsed = parse_url($item['author-link']);
1170 if (!empty($parsed['host'])) {
1171 $prefix_host = $parsed['host'];
1175 if (empty($prefix_host) && !empty($item['plink'])) {
1176 $parsed = parse_url($item['plink']);
1177 if (!empty($parsed['host'])) {
1178 $prefix_host = $parsed['host'];
1182 if (empty($prefix_host) && !empty($item['uri'])) {
1183 $parsed = parse_url($item['uri']);
1184 if (!empty($parsed['host'])) {
1185 $prefix_host = $parsed['host'];
1189 // Is it in the format data@host.tld? - Used for mail contacts
1190 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1191 $mailparts = explode('@', $item['author-link']);
1192 $prefix_host = array_pop($mailparts);
1196 if (!empty($item['plink'])) {
1197 $guid = self::guidFromUri($item['plink'], $prefix_host);
1198 } elseif (!empty($item['uri'])) {
1199 $guid = self::guidFromUri($item['uri'], $prefix_host);
1201 $guid = System::createUUID(hash('crc32', $prefix_host));
1207 private static function contactId($item)
1209 $contact_id = (int)$item["contact-id"];
1211 if (!empty($contact_id)) {
1214 Logger::log('Missing contact-id. Called by: '.System::callstack(), Logger::DEBUG);
1216 * First we are looking for a suitable contact that matches with the author of the post
1217 * This is done only for comments
1219 if ($item['parent-uri'] != $item['uri']) {
1220 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1223 // If not present then maybe the owner was found
1224 if ($contact_id == 0) {
1225 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1228 // Still missing? Then use the "self" contact of the current user
1229 if ($contact_id == 0) {
1230 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1231 if (DBA::isResult($self)) {
1232 $contact_id = $self["id"];
1235 Logger::log("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, Logger::DEBUG);
1240 // This function will finally cover most of the preparation functionality in mod/item.php
1241 public static function prepare(&$item)
1244 * @TODO: Unused code triggering inspection errors
1246 $data = BBCode::getAttachmentData($item['body']);
1247 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1248 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1249 $posttype = Item::PT_PAGE;
1250 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1255 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1259 $priority = PRIORITY_HIGH;
1261 // If it is a posting where users should get notifications, then define it as wall posting
1264 $item['origin'] = 1;
1265 $item['network'] = Protocol::DFRN;
1266 $item['protocol'] = Conversation::PARCEL_DFRN;
1268 if (is_int($notify)) {
1269 $priority = $notify;
1272 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1275 $item['guid'] = self::guid($item, $notify);
1276 $item['uri'] = Strings::escapeTags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1279 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1281 // Store conversation data
1282 $item = Conversation::insert($item);
1285 * If a Diaspora signature structure was passed in, pull it out of the
1286 * item array and set it aside for later storage.
1290 if (isset($item['dsprsig'])) {
1291 $encoded_signature = $item['dsprsig'];
1292 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1293 unset($item['dsprsig']);
1296 $diaspora_signed_text = '';
1297 if (isset($item['diaspora_signed_text'])) {
1298 $diaspora_signed_text = $item['diaspora_signed_text'];
1299 unset($item['diaspora_signed_text']);
1302 // Converting the plink
1303 /// @TODO Check if this is really still needed
1304 if ($item['network'] == Protocol::OSTATUS) {
1305 if (isset($item['plink'])) {
1306 $item['plink'] = OStatus::convertHref($item['plink']);
1307 } elseif (isset($item['uri'])) {
1308 $item['plink'] = OStatus::convertHref($item['uri']);
1312 if (!empty($item['thr-parent'])) {
1313 $item['parent-uri'] = $item['thr-parent'];
1316 if (isset($item['gravity'])) {
1317 $item['gravity'] = intval($item['gravity']);
1318 } elseif ($item['parent-uri'] === $item['uri']) {
1319 $item['gravity'] = GRAVITY_PARENT;
1320 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1321 $item['gravity'] = GRAVITY_COMMENT;
1322 } elseif (activity_match($item['verb'], ACTIVITY_FOLLOW)) {
1323 $item['gravity'] = GRAVITY_ACTIVITY;
1325 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1326 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1329 $uid = intval($item['uid']);
1331 // check for create date and expire time
1332 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1334 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1335 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1336 $expire_interval = $user['expire'];
1339 if (($expire_interval > 0) && !empty($item['created'])) {
1340 $expire_date = time() - ($expire_interval * 86400);
1341 $created_date = strtotime($item['created']);
1342 if ($created_date < $expire_date) {
1343 Logger::notice('Item created before expiration interval.', [
1344 'created' => date('c', $created_date),
1345 'expired' => date('c', $expire_date),
1353 * Do we already have this item?
1354 * We have to check several networks since Friendica posts could be repeated
1355 * via OStatus (maybe Diasporsa as well)
1357 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS, ""])) {
1358 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1359 trim($item['uri']), $item['uid'],
1360 Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1361 $existing = self::selectFirst(['id', 'network'], $condition);
1362 if (DBA::isResult($existing)) {
1363 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1365 Logger::notice('Item already existed for user', [
1366 'uri' => $item['uri'],
1368 'network' => $item['network'],
1369 'existing_id' => $existing["id"],
1370 'existing_network' => $existing["network"]
1374 return $existing["id"];
1378 $item['wall'] = intval(defaults($item, 'wall', 0));
1379 $item['extid'] = trim(defaults($item, 'extid', ''));
1380 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1381 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1382 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1383 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1384 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1385 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1386 $item['received'] = (isset($item['received']) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1387 $item['created'] = (isset($item['created']) ? DateTimeFormat::utc($item['created']) : $item['received']);
1388 $item['edited'] = (isset($item['edited']) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1389 $item['changed'] = (isset($item['changed']) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1390 $item['commented'] = (isset($item['commented']) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1391 $item['title'] = trim(defaults($item, 'title', ''));
1392 $item['location'] = trim(defaults($item, 'location', ''));
1393 $item['coord'] = trim(defaults($item, 'coord', ''));
1394 $item['visible'] = (isset($item['visible']) ? intval($item['visible']) : 1);
1395 $item['deleted'] = 0;
1396 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1397 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1398 $item['verb'] = trim(defaults($item, 'verb', ''));
1399 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1400 $item['object'] = trim(defaults($item, 'object', ''));
1401 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1402 $item['target'] = trim(defaults($item, 'target', ''));
1403 $item['plink'] = trim(defaults($item, 'plink', ''));
1404 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1405 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1406 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1407 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1408 $item['private'] = intval(defaults($item, 'private', 0));
1409 $item['body'] = trim(defaults($item, 'body', ''));
1410 $item['tag'] = trim(defaults($item, 'tag', ''));
1411 $item['attach'] = trim(defaults($item, 'attach', ''));
1412 $item['app'] = trim(defaults($item, 'app', ''));
1413 $item['origin'] = intval(defaults($item, 'origin', 0));
1414 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1415 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1416 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1417 $item['inform'] = trim(defaults($item, 'inform', ''));
1418 $item['file'] = trim(defaults($item, 'file', ''));
1420 // When there is no content then we don't post it
1421 if ($item['body'].$item['title'] == '') {
1422 Logger::notice('No body, no title.');
1426 self::addLanguageToItemArray($item);
1428 // Items cannot be stored before they happen ...
1429 if ($item['created'] > DateTimeFormat::utcNow()) {
1430 $item['created'] = DateTimeFormat::utcNow();
1433 // We haven't invented time travel by now.
1434 if ($item['edited'] > DateTimeFormat::utcNow()) {
1435 $item['edited'] = DateTimeFormat::utcNow();
1438 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1440 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1441 $item["contact-id"] = self::contactId($item);
1443 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1444 'photo' => $item['author-avatar'], 'network' => $item['network']];
1446 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item['author-link'], 0, false, $default));
1448 if (Contact::isBlocked($item['author-id'])) {
1449 Logger::notice('Author is blocked node-wide', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1453 if (!empty($item['author-link']) && Network::isUrlBlocked($item['author-link'])) {
1454 Logger::notice('Author server is blocked', ['author-link' => $item['author-link'], 'item-uri' => $item['uri']]);
1458 if (!empty($uid) && Contact::isBlockedByUser($item['author-id'], $uid)) {
1459 Logger::notice('Author is blocked by user', ['author-link' => $item['author-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1463 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1464 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1466 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item['owner-link'], 0, false, $default));
1468 if (Contact::isBlocked($item['owner-id'])) {
1469 Logger::notice('Owner is blocked node-wide', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1473 if (!empty($item['owner-link']) && Network::isUrlBlocked($item['owner-link'])) {
1474 Logger::notice('Owner server is blocked', ['owner-link' => $item['owner-link'], 'item-uri' => $item['uri']]);
1478 if (!empty($uid) && Contact::isBlockedByUser($item['owner-id'], $uid)) {
1479 Logger::notice('Owner is blocked by user', ['owner-link' => $item['owner-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1483 // The causer is set during a thread completion, for example because of a reshare. It countains the responsible actor.
1484 if (!empty($uid) && !empty($item['causer-id']) && Contact::isBlockedByUser($item['causer-id'], $uid)) {
1485 Logger::notice('Causer is blocked by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1489 if (!empty($uid) && !empty($item['causer-id']) && ($item['parent-uri'] == $item['uri']) && Contact::isIgnoredByUser($item['causer-id'], $uid)) {
1490 Logger::notice('Causer is ignored by user', ['causer-link' => $item['causer-link'], 'uid' => $uid, 'item-uri' => $item['uri']]);
1494 // We don't store the causer, we only have it here for the checks above
1495 unset($item['causer-id']);
1496 unset($item['causer-link']);
1498 if ($item['network'] == Protocol::PHANTOM) {
1499 $item['network'] = Protocol::DFRN;
1500 Logger::notice('Missing network, setting to {network}.', [
1501 'uri' => $item["uri"],
1502 'network' => $item['network'],
1503 'callstack' => System::callstack()
1507 // Checking if there is already an item with the same guid
1508 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1509 if (self::exists($condition)) {
1510 Logger::notice('Found already existing item', [
1511 'guid' => $item['guid'],
1512 'uid' => $item['uid'],
1513 'network' => $item['network']
1518 if ($item['verb'] == ACTIVITY_FOLLOW) {
1519 if (!$item['origin'] && ($item['author-id'] == Contact::getPublicIdByUserId($uid))) {
1520 // Our own follow request can be relayed to us. We don't store it to avoid notification chaos.
1521 Logger::log("Follow: Don't store not origin follow request from us for " . $item['parent-uri'], Logger::DEBUG);
1525 $condition = ['verb' => ACTIVITY_FOLLOW, 'uid' => $item['uid'],
1526 'parent-uri' => $item['parent-uri'], 'author-id' => $item['author-id']];
1527 if (self::exists($condition)) {
1528 // It happens that we receive multiple follow requests by the same author - we only store one.
1529 Logger::log('Follow: Found existing follow request from author ' . $item['author-id'] . ' for ' . $item['parent-uri'], Logger::DEBUG);
1534 // Check for hashtags in the body and repair or add hashtag links
1535 self::setHashtags($item);
1537 $item['thr-parent'] = $item['parent-uri'];
1539 $notify_type = Delivery::POST;
1545 if ($item['parent-uri'] === $item['uri']) {
1547 $parent_deleted = 0;
1548 $allow_cid = $item['allow_cid'];
1549 $allow_gid = $item['allow_gid'];
1550 $deny_cid = $item['deny_cid'];
1551 $deny_gid = $item['deny_gid'];
1553 // find the parent and snarf the item id and ACLs
1554 // and anything else we need to inherit
1556 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1557 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1558 'wall', 'private', 'forum_mode', 'origin'];
1559 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1560 $params = ['order' => ['id' => false]];
1561 $parent = self::selectFirst($fields, $condition, $params);
1563 if (DBA::isResult($parent)) {
1564 // is the new message multi-level threaded?
1565 // even though we don't support it now, preserve the info
1566 // and re-attach to the conversation parent.
1568 if ($parent['uri'] != $parent['parent-uri']) {
1569 $item['parent-uri'] = $parent['parent-uri'];
1571 $condition = ['uri' => $item['parent-uri'],
1572 'parent-uri' => $item['parent-uri'],
1573 'uid' => $item['uid']];
1574 $params = ['order' => ['id' => false]];
1575 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1577 if (DBA::isResult($toplevel_parent)) {
1578 $parent = $toplevel_parent;
1582 $parent_id = $parent['id'];
1583 $parent_deleted = $parent['deleted'];
1584 $allow_cid = $parent['allow_cid'];
1585 $allow_gid = $parent['allow_gid'];
1586 $deny_cid = $parent['deny_cid'];
1587 $deny_gid = $parent['deny_gid'];
1588 $item['wall'] = $parent['wall'];
1591 * If the parent is private, force privacy for the entire conversation
1592 * This differs from the above settings as it subtly allows comments from
1593 * email correspondents to be private even if the overall thread is not.
1595 if ($parent['private']) {
1596 $item['private'] = $parent['private'];
1600 * Edge case. We host a public forum that was originally posted to privately.
1601 * The original author commented, but as this is a comment, the permissions
1602 * weren't fixed up so it will still show the comment as private unless we fix it here.
1604 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1605 $item['private'] = 0;
1608 // If its a post that originated here then tag the thread as "mention"
1609 if ($item['origin'] && $item['uid']) {
1610 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1611 Logger::log('tagged thread ' . $parent_id . ' as mention for user ' . $item['uid'], Logger::DEBUG);
1615 * Allow one to see reply tweets from status.net even when
1616 * we don't have or can't see the original post.
1618 if ($force_parent) {
1619 Logger::log('$force_parent=true, reply converted to top-level post.');
1621 $item['parent-uri'] = $item['uri'];
1622 $item['gravity'] = GRAVITY_PARENT;
1624 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1628 $parent_deleted = 0;
1632 if (stristr($item['verb'], ACTIVITY_POKE)) {
1633 $notify_type = Delivery::POKE;
1636 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1637 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1639 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1640 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1641 if (self::exists($condition)) {
1642 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1646 // On Friendica and Diaspora the GUID is unique
1647 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1648 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1649 if (self::exists($condition)) {
1650 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1654 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1655 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1656 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1657 if (self::exists($condition)) {
1658 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1663 // Is this item available in the global items (with uid=0)?
1664 if ($item["uid"] == 0) {
1665 $item["global"] = true;
1667 // Set the global flag on all items if this was a global item entry
1668 DBA::update('item', ['global' => true], ['uri' => $item["uri"]]);
1670 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1674 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1677 $private = $item['private'];
1680 $item["allow_cid"] = $allow_cid;
1681 $item["allow_gid"] = $allow_gid;
1682 $item["deny_cid"] = $deny_cid;
1683 $item["deny_gid"] = $deny_gid;
1684 $item["private"] = $private;
1685 $item["deleted"] = $parent_deleted;
1687 // Fill the cache field
1688 self::putInCache($item);
1691 $item['edit'] = false;
1692 $item['parent'] = $parent_id;
1693 Hook::callAll('post_local', $item);
1694 unset($item['edit']);
1695 unset($item['parent']);
1697 Hook::callAll('post_remote', $item);
1700 // This array field is used to trigger some automatic reactions
1701 // It is mainly used in the "post_local" hook.
1702 unset($item['api_source']);
1704 if (!empty($item['cancel'])) {
1705 Logger::log('post cancelled by addon.');
1710 * Check for already added items.
1711 * There is a timing issue here that sometimes creates double postings.
1712 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1714 if ($item["uid"] == 0) {
1715 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1716 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1721 Logger::log('' . print_r($item,true), Logger::DATA);
1723 if (array_key_exists('tag', $item)) {
1724 $tags = $item['tag'];
1725 unset($item['tag']);
1730 if (array_key_exists('file', $item)) {
1731 $files = $item['file'];
1732 unset($item['file']);
1737 // Creates or assigns the permission set
1738 $item['psid'] = PermissionSet::fetchIDForPost($item);
1740 // We are doing this outside of the transaction to avoid timing problems
1741 if (!self::insertActivity($item)) {
1742 self::insertContent($item);
1745 $delivery_data = ItemDeliveryData::extractFields($item);
1747 unset($item['postopts']);
1748 unset($item['inform']);
1750 // These fields aren't stored anymore in the item table, they are fetched upon request
1751 unset($item['author-link']);
1752 unset($item['author-name']);
1753 unset($item['author-avatar']);
1754 unset($item['author-network']);
1756 unset($item['owner-link']);
1757 unset($item['owner-name']);
1758 unset($item['owner-avatar']);
1761 $ret = DBA::insert('item', $item);
1763 // When the item was successfully stored we fetch the ID of the item.
1764 if (DBA::isResult($ret)) {
1765 $current_post = DBA::lastInsertId();
1767 // This can happen - for example - if there are locking timeouts.
1770 // Store the data into a spool file so that we can try again later.
1772 // At first we restore the Diaspora signature that we removed above.
1773 if (isset($encoded_signature)) {
1774 $item['dsprsig'] = $encoded_signature;
1777 // Now we store the data in the spool directory
1778 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1779 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1781 $spoolpath = get_spoolpath();
1782 if ($spoolpath != "") {
1783 $spool = $spoolpath.'/'.$file;
1785 file_put_contents($spool, json_encode($orig_item));
1786 Logger::log("Item wasn't stored - Item was spooled into file ".$file, Logger::DEBUG);
1791 if ($current_post == 0) {
1792 // This is one of these error messages that never should occur.
1793 Logger::log("couldn't find created item - we better quit now.");
1798 // How much entries have we created?
1799 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1800 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1803 // There are duplicates. We delete our just created entry.
1804 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1806 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1807 DBA::delete('item', ['id' => $current_post]);
1810 } elseif ($entries == 0) {
1811 // This really should never happen since we quit earlier if there were problems.
1812 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1817 Logger::log('created item '.$current_post);
1818 self::updateContact($item);
1820 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1821 $parent_id = $current_post;
1825 DBA::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1827 $item['id'] = $current_post;
1828 $item['parent'] = $parent_id;
1830 // update the commented timestamp on the parent
1831 // Only update "commented" if it is really a comment
1832 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1833 DBA::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1835 DBA::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1840 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1841 * We can check for this condition when we decode and encode the stuff again.
1843 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1844 $dsprsig->signature = base64_decode($dsprsig->signature);
1845 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1848 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1849 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1851 // The other fields are used by very old Friendica servers, so we currently store them differently
1852 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1853 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1857 if (!empty($diaspora_signed_text)) {
1858 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1861 self::tagDeliver($item['uid'], $current_post);
1864 * current post can be deleted if is for a community page and no mention are
1868 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1869 if (DBA::isResult($posted_item)) {
1871 Hook::callAll('post_local_end', $posted_item);
1873 Hook::callAll('post_remote_end', $posted_item);
1876 Logger::log('new item not found in DB, id ' . $current_post);
1880 if ($item['parent-uri'] === $item['uri']) {
1881 self::addThread($current_post);
1883 self::updateThread($parent_id);
1886 ItemDeliveryData::insert($current_post, $delivery_data);
1891 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1892 * This is not perfect - but a workable solution until we found the reason for the problem.
1894 if (!empty($tags)) {
1895 Term::insertFromTagFieldByItemId($current_post, $tags);
1898 if (!empty($files)) {
1899 Term::insertFromFileFieldByItemId($current_post, $files);
1902 if ($item['parent-uri'] === $item['uri']) {
1903 self::addShadow($current_post);
1905 self::addShadowPost($current_post);
1908 check_user_notification($current_post);
1910 if ($notify || ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin']))) {
1911 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1914 return $current_post;
1918 * @brief Insert a new item content entry
1920 * @param array $item The item fields that are to be inserted
1922 * @throws \Exception
1924 private static function insertActivity(&$item)
1926 $activity_index = self::activityToIndex($item['verb']);
1928 if ($activity_index < 0) {
1932 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1934 // We just remove everything that is content
1935 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1936 unset($item[$field]);
1939 // To avoid timing problems, we are using locks.
1940 $locked = Lock::acquire('item_insert_activity');
1942 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1945 // Do we already have this content?
1946 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1947 if (DBA::isResult($item_activity)) {
1948 $item['iaid'] = $item_activity['id'];
1949 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1950 } elseif (DBA::insert('item-activity', $fields)) {
1951 $item['iaid'] = DBA::lastInsertId();
1952 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1954 // This shouldn't happen.
1955 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1956 Lock::release('item_insert_activity');
1960 Lock::release('item_insert_activity');
1966 * @brief Insert a new item content entry
1968 * @param array $item The item fields that are to be inserted
1969 * @throws \Exception
1971 private static function insertContent(&$item)
1973 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1975 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1976 if (isset($item[$field])) {
1977 $fields[$field] = $item[$field];
1978 unset($item[$field]);
1982 // To avoid timing problems, we are using locks.
1983 $locked = Lock::acquire('item_insert_content');
1985 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1988 // Do we already have this content?
1989 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1990 if (DBA::isResult($item_content)) {
1991 $item['icid'] = $item_content['id'];
1992 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1993 } elseif (DBA::insert('item-content', $fields)) {
1994 $item['icid'] = DBA::lastInsertId();
1995 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1997 // This shouldn't happen.
1998 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
2001 Lock::release('item_insert_content');
2006 * @brief Update existing item content entries
2008 * @param array $item The item fields that are to be changed
2009 * @param array $condition The condition for finding the item content entries
2011 * @throws \Exception
2013 private static function updateActivity($item, $condition)
2015 if (empty($item['verb'])) {
2018 $activity_index = self::activityToIndex($item['verb']);
2020 if ($activity_index < 0) {
2024 $fields = ['activity' => $activity_index];
2026 Logger::log('Update activity for ' . json_encode($condition));
2028 DBA::update('item-activity', $fields, $condition, true);
2034 * @brief Update existing item content entries
2036 * @param array $item The item fields that are to be changed
2037 * @param array $condition The condition for finding the item content entries
2038 * @throws \Exception
2040 private static function updateContent($item, $condition)
2042 // We have to select only the fields from the "item-content" table
2044 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2045 if (isset($item[$field])) {
2046 $fields[$field] = $item[$field];
2050 if (empty($fields)) {
2051 // when there are no fields at all, just use the condition
2052 // This is to ensure that we always store content.
2053 $fields = $condition;
2056 Logger::log('Update content for ' . json_encode($condition));
2058 DBA::update('item-content', $fields, $condition, true);
2062 * @brief Distributes public items to the receivers
2064 * @param integer $itemid Item ID that should be added
2065 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2066 * @throws \Exception
2068 public static function distribute($itemid, $signed_text = '')
2070 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2071 $parent = self::selectFirst(['owner-id'], $condition);
2072 if (!DBA::isResult($parent)) {
2076 // Only distribute public items from native networks
2077 $condition = ['id' => $itemid, 'uid' => 0,
2078 'network' => [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""],
2079 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2080 $item = self::selectFirst(self::ITEM_FIELDLIST, $condition);
2081 if (!DBA::isResult($item)) {
2085 $origin = $item['origin'];
2088 unset($item['parent']);
2089 unset($item['mention']);
2090 unset($item['wall']);
2091 unset($item['origin']);
2092 unset($item['starred']);
2096 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2097 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2098 if (!DBA::isResult($owner)) {
2102 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2103 $contacts = DBA::select('contact', ['uid'], $condition);
2104 while ($contact = DBA::fetch($contacts)) {
2105 if ($contact['uid'] == 0) {
2109 $users[$contact['uid']] = $contact['uid'];
2111 DBA::close($contacts);
2113 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2114 $contacts = DBA::select('contact', ['uid'], $condition);
2115 while ($contact = DBA::fetch($contacts)) {
2116 if ($contact['uid'] == 0) {
2120 $users[$contact['uid']] = $contact['uid'];
2122 DBA::close($contacts);
2124 if (!empty($owner['alias'])) {
2125 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2126 $contacts = DBA::select('contact', ['uid'], $condition);
2127 while ($contact = DBA::fetch($contacts)) {
2128 if ($contact['uid'] == 0) {
2132 $users[$contact['uid']] = $contact['uid'];
2134 DBA::close($contacts);
2139 if ($item['uri'] != $item['parent-uri']) {
2140 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2141 while ($parent = self::fetch($parents)) {
2142 $users[$parent['uid']] = $parent['uid'];
2143 if ($parent['origin'] && !$origin) {
2144 $origin_uid = $parent['uid'];
2149 foreach ($users as $uid) {
2150 if ($origin_uid == $uid) {
2151 $item['diaspora_signed_text'] = $signed_text;
2153 self::storeForUser($itemid, $item, $uid);
2158 * @brief Store public items for the receivers
2160 * @param integer $itemid Item ID that should be added
2161 * @param array $item The item entry that will be stored
2162 * @param integer $uid The user that will receive the item entry
2163 * @throws \Exception
2165 private static function storeForUser($itemid, $item, $uid)
2167 $item['uid'] = $uid;
2168 $item['origin'] = 0;
2170 if ($item['uri'] == $item['parent-uri']) {
2171 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2173 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2176 if (empty($item['contact-id'])) {
2177 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2178 if (!DBA::isResult($self)) {
2181 $item['contact-id'] = $self['id'];
2184 /// @todo Handling of "event-id"
2187 if ($item['uri'] == $item['parent-uri']) {
2188 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2189 if (DBA::isResult($contact)) {
2190 $notify = self::isRemoteSelf($contact, $item);
2194 $distributed = self::insert($item, false, $notify, true);
2196 if (!$distributed) {
2197 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2199 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2204 * @brief Add a shadow entry for a given item id that is a thread starter
2206 * We store every public item entry additionally with the user id "0".
2207 * This is used for the community page and for the search.
2208 * It is planned that in the future we will store public item entries only once.
2210 * @param integer $itemid Item ID that should be added
2211 * @throws \Exception
2213 public static function addShadow($itemid)
2215 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2216 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2217 $item = self::selectFirst($fields, $condition);
2219 if (!DBA::isResult($item)) {
2223 // is it already a copy?
2224 if (($itemid == 0) || ($item['uid'] == 0)) {
2228 // Is it a visible public post?
2229 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2233 // is it an entry from a connector? Only add an entry for natively connected networks
2234 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
2238 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2242 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2244 if (DBA::isResult($item)) {
2245 // Preparing public shadow (removing user specific data)
2248 unset($item['parent']);
2249 unset($item['wall']);
2250 unset($item['mention']);
2251 unset($item['origin']);
2252 unset($item['starred']);
2253 unset($item['postopts']);
2254 unset($item['inform']);
2255 if ($item['uri'] == $item['parent-uri']) {
2256 $item['contact-id'] = $item['owner-id'];
2258 $item['contact-id'] = $item['author-id'];
2261 $public_shadow = self::insert($item, false, false, true);
2263 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2268 * @brief Add a shadow entry for a given item id that is a comment
2270 * This function does the same like the function above - but for comments
2272 * @param integer $itemid Item ID that should be added
2273 * @throws \Exception
2275 public static function addShadowPost($itemid)
2277 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2278 if (!DBA::isResult($item)) {
2282 // Is it a toplevel post?
2283 if ($item['id'] == $item['parent']) {
2284 self::addShadow($itemid);
2288 // Is this a shadow entry?
2289 if ($item['uid'] == 0) {
2293 // Is there a shadow parent?
2294 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2298 // Is there already a shadow entry?
2299 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2303 // Save "origin" and "parent" state
2304 $origin = $item['origin'];
2305 $parent = $item['parent'];
2307 // Preparing public shadow (removing user specific data)
2310 unset($item['parent']);
2311 unset($item['wall']);
2312 unset($item['mention']);
2313 unset($item['origin']);
2314 unset($item['starred']);
2315 unset($item['postopts']);
2316 unset($item['inform']);
2317 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2319 $public_shadow = self::insert($item, false, false, true);
2321 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2323 // If this was a comment to a Diaspora post we don't get our comment back.
2324 // This means that we have to distribute the comment by ourselves.
2325 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2326 self::distribute($public_shadow);
2331 * Adds a language specification in a "language" element of given $arr.
2332 * Expects "body" element to exist in $arr.
2335 * @throws \Text_LanguageDetect_Exception
2337 private static function addLanguageToItemArray(&$item)
2339 $naked_body = BBCode::toPlaintext($item['body'], false);
2341 $ld = new Text_LanguageDetect();
2342 $ld->setNameMode(2);
2343 $languages = $ld->detect($naked_body, 3);
2345 if (is_array($languages)) {
2346 $item['language'] = json_encode($languages);
2351 * @brief Creates an unique guid out of a given uri
2353 * @param string $uri uri of an item entry
2354 * @param string $host hostname for the GUID prefix
2355 * @return string unique guid
2357 public static function guidFromUri($uri, $host)
2359 // Our regular guid routine is using this kind of prefix as well
2360 // We have to avoid that different routines could accidentally create the same value
2361 $parsed = parse_url($uri);
2363 // We use a hash of the hostname as prefix for the guid
2364 $guid_prefix = hash("crc32", $host);
2366 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2367 unset($parsed["scheme"]);
2369 // Glue it together to be able to make a hash from it
2370 $host_id = implode("/", $parsed);
2372 // We could use any hash algorithm since it isn't a security issue
2373 $host_hash = hash("ripemd128", $host_id);
2375 return $guid_prefix.$host_hash;
2379 * generate an unique URI
2381 * @param integer $uid User id
2382 * @param string $guid An existing GUID (Otherwise it will be generated)
2385 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2387 public static function newURI($uid, $guid = "")
2390 $guid = System::createUUID();
2393 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2397 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2399 * This can be used to filter for inactive contacts.
2400 * Only do this for public postings to avoid privacy problems, since poco data is public.
2401 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2403 * @param array $arr Contains the just posted item record
2404 * @throws \Exception
2406 private static function updateContact($arr)
2408 // Unarchive the author
2409 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2410 if (DBA::isResult($contact)) {
2411 Contact::unmarkForArchival($contact);
2414 // Unarchive the contact if it's not our own contact
2415 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2416 if (DBA::isResult($contact)) {
2417 Contact::unmarkForArchival($contact);
2420 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2422 // Is it a forum? Then we don't care about the rules from above
2423 if (!$update && in_array($arr["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN]) && ($arr["parent-uri"] === $arr["uri"])) {
2424 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2430 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2431 ['id' => $arr['contact-id']]);
2433 // Now do the same for the system wide contacts with uid=0
2434 if (!$arr['private']) {
2435 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2436 ['id' => $arr['owner-id']]);
2438 if ($arr['owner-id'] != $arr['author-id']) {
2439 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2440 ['id' => $arr['author-id']]);
2445 public static function setHashtags(&$item)
2447 $tags = BBCode::getTags($item["body"]);
2450 if (!count($tags)) {
2454 // What happens in [code], stays in [code]!
2455 // escape the # and the [
2456 // hint: we will also get in trouble with #tags, when we want markdown in posts -> ### Headline 3
2457 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2459 // we truly ESCape all # and [ to prevent gettin weird tags in [code] blocks
2461 $replace = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2462 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2465 // This sorting is important when there are hashtags that are part of other hashtags
2466 // Otherwise there could be problems with hashtags like #test and #test2
2469 $URLSearchString = "^\[\]";
2471 // All hashtags should point to the home server if "local_tags" is activated
2472 if (Config::get('system', 'local_tags')) {
2473 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2474 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2476 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2477 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2480 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2481 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2483 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2486 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2488 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2491 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2493 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2496 // Repair recursive urls
2497 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2498 "#$2", $item["body"]);
2500 foreach ($tags as $tag) {
2501 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=') || $tag[1] == '#') {
2505 $basetag = str_replace('_',' ',substr($tag,1));
2506 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . $basetag . ']' . $basetag . '[/url]';
2508 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2510 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2511 if (strlen($item["tag"])) {
2512 $item["tag"] = ',' . $item["tag"];
2514 $item["tag"] = $newtag . $item["tag"];
2518 // Convert back the masked hashtags
2519 $item["body"] = str_replace("#", "#", $item["body"]);
2521 // Remember! What happens in [code], stays in [code]
2522 // roleback the # and [
2523 $item["body"] = preg_replace_callback("/\[code(.*?)\](.*?)\[\/code\]/ism",
2525 // we truly unESCape all sharp and leftsquarebracket
2526 $find = [chr(27).'sharp', chr(27).'leftsquarebracket'];
2527 $replace = ['#', '['];
2528 return ("[code" . $match[1] . "]" . str_replace($find, $replace, $match[2]) . "[/code]");
2533 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2536 * @param int $item_id
2537 * @return void true if item was deleted, else false
2538 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2539 * @throws \ImagickException
2541 private static function tagDeliver($uid, $item_id)
2545 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2546 if (!DBA::isResult($user)) {
2550 $community_page = (($user['page-flags'] == User::PAGE_FLAGS_COMMUNITY) ? true : false);
2551 $prvgroup = (($user['page-flags'] == User::PAGE_FLAGS_PRVGROUP) ? true : false);
2553 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2554 if (!DBA::isResult($item)) {
2558 $link = Strings::normaliseLink(System::baseUrl() . '/profile/' . $user['nickname']);
2561 * Diaspora uses their own hardwired link URL in @-tags
2562 * instead of the one we supply with webfinger
2564 $dlink = Strings::normaliseLink(System::baseUrl() . '/u/' . $user['nickname']);
2566 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2568 foreach ($matches as $mtch) {
2569 if (Strings::compareLink($link, $mtch[1]) || Strings::compareLink($dlink, $mtch[1])) {
2571 Logger::log('mention found: ' . $mtch[2]);
2577 if (($community_page || $prvgroup) &&
2578 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2579 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2581 Logger::log("no-mention top-level post to community or private group. delete.");
2582 DBA::delete('item', ['id' => $item_id]);
2588 $arr = ['item' => $item, 'user' => $user];
2590 Hook::callAll('tagged', $arr);
2592 if (!$community_page && !$prvgroup) {
2597 * tgroup delivery - setup a second delivery chain
2598 * prevent delivery looping - only proceed
2599 * if the message originated elsewhere and is a top-level post
2601 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2605 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2606 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2607 if (!DBA::isResult($self)) {
2611 $owner_id = Contact::getIdForURL($self['url']);
2613 // also reset all the privacy bits to the forum default permissions
2615 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2617 $psid = PermissionSet::fetchIDForPost($user);
2619 $forum_mode = ($prvgroup ? 2 : 1);
2621 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2622 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2623 self::update($fields, ['id' => $item_id]);
2625 self::updateThread($item_id);
2627 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', Delivery::POST, $item_id);
2630 public static function isRemoteSelf($contact, &$datarray)
2634 if (!$contact['remote_self']) {
2638 // Prevent the forwarding of posts that are forwarded
2639 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2640 Logger::log('Already forwarded', Logger::DEBUG);
2644 // Prevent to forward already forwarded posts
2645 if ($datarray["app"] == $a->getHostName()) {
2646 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2650 // Only forward posts
2651 if ($datarray["verb"] != ACTIVITY_POST) {
2652 Logger::log('No post', Logger::DEBUG);
2656 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2657 Logger::log('Not public', Logger::DEBUG);
2661 $datarray2 = $datarray;
2662 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2663 if ($contact['remote_self'] == 2) {
2664 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2665 ['uid' => $contact['uid'], 'self' => true]);
2666 if (DBA::isResult($self)) {
2667 $datarray['contact-id'] = $self["id"];
2669 $datarray['owner-name'] = $self["name"];
2670 $datarray['owner-link'] = $self["url"];
2671 $datarray['owner-avatar'] = $self["thumb"];
2673 $datarray['author-name'] = $datarray['owner-name'];
2674 $datarray['author-link'] = $datarray['owner-link'];
2675 $datarray['author-avatar'] = $datarray['owner-avatar'];
2677 unset($datarray['edited']);
2679 unset($datarray['network']);
2680 unset($datarray['owner-id']);
2681 unset($datarray['author-id']);
2684 if ($contact['network'] != Protocol::FEED) {
2685 $datarray["guid"] = System::createUUID();
2686 unset($datarray["plink"]);
2687 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2688 $datarray["parent-uri"] = $datarray["uri"];
2689 $datarray["thr-parent"] = $datarray["uri"];
2690 $datarray["extid"] = Protocol::DFRN;
2691 $urlpart = parse_url($datarray2['author-link']);
2692 $datarray["app"] = $urlpart["host"];
2694 $datarray['private'] = 0;
2698 if ($contact['network'] != Protocol::FEED) {
2699 // Store the original post
2700 $result = self::insert($datarray2, false, false);
2701 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2703 $datarray["app"] = "Feed";
2707 // Trigger automatic reactions for addons
2708 $datarray['api_source'] = true;
2710 // We have to tell the hooks who we are - this really should be improved
2711 $_SESSION["authenticated"] = true;
2712 $_SESSION["uid"] = $contact['uid'];
2721 * @param array $item
2724 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2725 * @throws \ImagickException
2727 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2729 if (Config::get('system', 'disable_embedded')) {
2733 Logger::log('check for photos', Logger::DEBUG);
2734 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2739 $img_start = strpos($orig_body, '[img');
2740 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2741 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2743 while (($img_st_close !== false) && ($img_len !== false)) {
2744 $img_st_close++; // make it point to AFTER the closing bracket
2745 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2747 Logger::log('found photo ' . $image, Logger::DEBUG);
2749 if (stristr($image, $site . '/photo/')) {
2750 // Only embed locally hosted photos
2752 $i = basename($image);
2753 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2754 $x = strpos($i, '-');
2757 $res = substr($i, $x + 1);
2758 $i = substr($i, 0, $x);
2759 $photo = Photo::getPhotoForUser($uid, $i, $res);
2760 if (DBA::isResult($photo)) {
2762 * Check to see if we should replace this photo link with an embedded image
2763 * 1. No need to do so if the photo is public
2764 * 2. If there's a contact-id provided, see if they're in the access list
2765 * for the photo. If so, embed it.
2766 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2767 * permissions, regardless of order but first check to see if they're an exact
2768 * match to save some processing overhead.
2770 if (self::hasPermissions($photo)) {
2772 $recips = self::enumeratePermissions($photo);
2773 if (in_array($cid, $recips)) {
2777 if (self::samePermissions($item, $photo)) {
2783 $photo_img = Photo::getImageForPhoto($photo);
2784 // If a custom width and height were specified, apply before embedding
2785 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2786 Logger::log('scaling photo', Logger::DEBUG);
2788 $width = intval($match[1]);
2789 $height = intval($match[2]);
2791 $photo_img->scaleDown(max($width, $height));
2794 $data = $photo_img->asString();
2795 $type = $photo_img->getType();
2797 Logger::log('replacing photo', Logger::DEBUG);
2798 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2799 Logger::log('replaced: ' . $image, Logger::DATA);
2805 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2806 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2807 if ($orig_body === false) {
2811 $img_start = strpos($orig_body, '[img');
2812 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2813 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2816 $new_body = $new_body . $orig_body;
2821 private static function hasPermissions($obj)
2823 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2824 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2827 private static function samePermissions($obj1, $obj2)
2829 // first part is easy. Check that these are exactly the same.
2830 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2831 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2832 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2833 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2837 // This is harder. Parse all the permissions and compare the resulting set.
2838 $recipients1 = self::enumeratePermissions($obj1);
2839 $recipients2 = self::enumeratePermissions($obj2);
2843 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2844 return ($recipients1 == $recipients2);
2847 // returns an array of contact-ids that are allowed to see this object
2848 public static function enumeratePermissions($obj)
2850 $allow_people = expand_acl($obj['allow_cid']);
2851 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2852 $deny_people = expand_acl($obj['deny_cid']);
2853 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2854 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2855 $deny = array_unique(array_merge($deny_people, $deny_groups));
2856 $recipients = array_diff($recipients, $deny);
2860 public static function getFeedTags($item)
2864 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2866 for ($x = 0; $x < $cnt; $x ++) {
2867 if ($matches[1][$x]) {
2868 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2873 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2875 for ($x = 0; $x < $cnt; $x ++) {
2876 if ($matches[1][$x]) {
2877 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2884 public static function expire($uid, $days, $network = "", $force = false)
2886 if (!$uid || ($days < 1)) {
2890 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2891 $uid, GRAVITY_PARENT];
2894 * $expire_network_only = save your own wall posts
2895 * and just expire conversations started by others
2897 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2899 if ($expire_network_only) {
2900 $condition[0] .= " AND NOT `wall`";
2903 if ($network != "") {
2904 $condition[0] .= " AND `network` = ?";
2905 $condition[] = $network;
2908 * There is an index "uid_network_received" but not "uid_network_created"
2909 * This avoids the creation of another index just for one purpose.
2910 * And it doesn't really matter wether to look at "received" or "created"
2912 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2913 $condition[] = $days;
2915 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2916 $condition[] = $days;
2919 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2921 if (!DBA::isResult($items)) {
2925 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2927 // Forcing expiring of items - but not notes and marked items
2929 $expire_items = true;
2932 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2933 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2934 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2938 while ($item = Item::fetch($items)) {
2939 // don't expire filed items
2941 if (strpos($item['file'], '[') !== false) {
2945 // Only expire posts, not photos and photo comments
2947 if (!$expire_photos && strlen($item['resource-id'])) {
2949 } elseif (!$expire_starred && intval($item['starred'])) {
2951 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2953 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2957 self::deleteById($item['id'], PRIORITY_LOW);
2962 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2965 public static function firstPostDate($uid, $wall = false)
2967 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2968 $params = ['order' => ['created' => false]];
2969 $thread = DBA::selectFirst('thread', ['created'], $condition, $params);
2970 if (DBA::isResult($thread)) {
2971 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2977 * @brief add/remove activity to an item
2979 * Toggle activities as like,dislike,attend of an item
2981 * @param string $item_id
2982 * @param string $verb
2983 * Activity verb. One of
2984 * like, unlike, dislike, undislike, attendyes, unattendyes,
2985 * attendno, unattendno, attendmaybe, unattendmaybe
2987 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
2988 * @throws \ImagickException
2989 * @hook 'post_local_end'
2991 * 'post_id' => ID of posted item
2993 public static function performLike($item_id, $verb)
2995 if (!local_user() && !remote_user()) {
3002 $activity = ACTIVITY_LIKE;
3006 $activity = ACTIVITY_DISLIKE;
3010 $activity = ACTIVITY_ATTEND;
3014 $activity = ACTIVITY_ATTENDNO;
3017 case 'unattendmaybe':
3018 $activity = ACTIVITY_ATTENDMAYBE;
3021 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3025 // Enable activity toggling instead of on/off
3026 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3028 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3030 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3031 if (!DBA::isResult($item)) {
3032 Logger::log('like: unknown item ' . $item_id);
3036 $item_uri = $item['uri'];
3038 $uid = $item['uid'];
3039 if (($uid == 0) && local_user()) {
3040 $uid = local_user();
3043 if (!Security::canWriteToUserWall($uid)) {
3044 Logger::log('like: unable to write on wall ' . $uid);
3048 // Retrieves the local post owner
3049 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3050 if (!DBA::isResult($owner_self_contact)) {
3051 Logger::log('like: unknown owner ' . $uid);
3055 // Retrieve the current logged in user's public contact
3056 $author_id = public_contact();
3058 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3059 if (!DBA::isResult($author_contact)) {
3060 Logger::log('like: unknown author ' . $author_id);
3064 // Contact-id is the uid-dependant author contact
3065 if (local_user() == $uid) {
3066 $item_contact_id = $owner_self_contact['id'];
3068 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3069 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3070 if (!DBA::isResult($item_contact)) {
3071 Logger::log('like: unknown item contact ' . $item_contact_id);
3076 // Look for an existing verb row
3077 // event participation are essentially radio toggles. If you make a subsequent choice,
3078 // we need to eradicate your first choice.
3079 if ($event_verb_flag) {
3080 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3082 // Translate to the index based activity index
3084 foreach ($verbs as $verb) {
3085 $activities[] = self::activityToIndex($verb);
3088 $activities = self::activityToIndex($activity);
3091 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3092 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3094 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3096 // If it exists, mark it as deleted
3097 if (DBA::isResult($like_item)) {
3098 self::deleteById($like_item['id']);
3100 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3105 // Verb is "un-something", just trying to delete existing entries
3106 if (strpos($verb, 'un') === 0) {
3110 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3113 'guid' => System::createUUID(),
3114 'uri' => self::newURI($item['uid']),
3115 'uid' => $item['uid'],
3116 'contact-id' => $item_contact_id,
3117 'wall' => $item['wall'],
3119 'network' => Protocol::DFRN,
3120 'gravity' => GRAVITY_ACTIVITY,
3121 'parent' => $item['id'],
3122 'parent-uri' => $item['uri'],
3123 'thr-parent' => $item['uri'],
3124 'owner-id' => $author_id,
3125 'author-id' => $author_id,
3126 'body' => $activity,
3127 'verb' => $activity,
3128 'object-type' => $objtype,
3129 'allow_cid' => $item['allow_cid'],
3130 'allow_gid' => $item['allow_gid'],
3131 'deny_cid' => $item['deny_cid'],
3132 'deny_gid' => $item['deny_gid'],
3137 $signed = Diaspora::createLikeSignature($uid, $new_item);
3138 if (!empty($signed)) {
3139 $new_item['diaspora_signed_text'] = json_encode($signed);
3142 $new_item_id = self::insert($new_item);
3144 // If the parent item isn't visible then set it to visible
3145 if (!$item['visible']) {
3146 self::update(['visible' => true], ['id' => $item['id']]);
3149 $new_item['id'] = $new_item_id;
3151 Hook::callAll('post_local_end', $new_item);
3156 private static function addThread($itemid, $onlyshadow = false)
3158 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3159 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3160 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3161 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3162 $item = self::selectFirst($fields, $condition);
3164 if (!DBA::isResult($item)) {
3168 $item['iid'] = $itemid;
3171 $result = DBA::insert('thread', $item);
3173 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3177 private static function updateThread($itemid, $setmention = false)
3179 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3180 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3181 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3182 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3184 $item = self::selectFirst($fields, $condition);
3185 if (!DBA::isResult($item)) {
3190 $item["mention"] = 1;
3195 foreach ($item as $field => $data) {
3196 if (!in_array($field, ["guid"])) {
3197 $fields[$field] = $data;
3201 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3203 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3206 private static function deleteThread($itemid, $itemuri = "")
3208 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3209 if (!DBA::isResult($item)) {
3210 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3214 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3216 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3218 if ($itemuri != "") {
3219 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3220 if (!self::exists($condition)) {
3221 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3222 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3227 public static function getPermissionsSQLByUserId($owner_id, $remote_verified = false, $groups = null, $remote_cid = null)
3229 $local_user = local_user();
3230 $remote_user = remote_user();
3233 * Construct permissions
3235 * default permissions - anonymous user
3237 $sql = " AND NOT `item`.`private`";
3239 // Profile owner - everything is visible
3240 if ($local_user && ($local_user == $owner_id)) {
3242 } elseif ($remote_user) {
3244 * Authenticated visitor. Unless pre-verified,
3245 * check that the contact belongs to this $owner_id
3246 * and load the groups the visitor belongs to.
3247 * If pre-verified, the caller is expected to have already
3248 * done this and passed the groups into this function.
3250 $set = PermissionSet::get($owner_id, $remote_cid, $groups);
3253 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3258 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";
3265 * get translated item type
3270 public static function postType($item)
3272 if (!empty($item['event-id'])) {
3273 return L10n::t('event');
3274 } elseif (!empty($item['resource-id'])) {
3275 return L10n::t('photo');
3276 } elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) {
3277 return L10n::t('activity');
3278 } elseif ($item['id'] != $item['parent']) {
3279 return L10n::t('comment');
3282 return L10n::t('post');
3286 * Sets the "rendered-html" field of the provided item
3288 * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links
3290 * @param array $item
3291 * @param bool $update
3293 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3294 * @todo Remove reference, simply return "rendered-html" and "rendered-hash"
3296 public static function putInCache(&$item, $update = false)
3298 $body = $item["body"];
3300 $rendered_hash = defaults($item, 'rendered-hash', '');
3301 $rendered_html = defaults($item, 'rendered-html', '');
3303 if ($rendered_hash == ''
3304 || $rendered_html == ""
3305 || $rendered_hash != hash("md5", $item["body"])
3306 || Config::get("system", "ignore_cache")
3308 $a = self::getApp();
3309 redir_private_images($a, $item);
3311 $item["rendered-html"] = prepare_text($item["body"]);
3312 $item["rendered-hash"] = hash("md5", $item["body"]);
3314 $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
3315 Hook::callAll('put_item_in_cache', $hook_data);
3316 $item['rendered-html'] = $hook_data['rendered-html'];
3317 $item['rendered-hash'] = $hook_data['rendered-hash'];
3320 // Force an update if the generated values differ from the existing ones
3321 if ($rendered_hash != $item["rendered-hash"]) {
3325 // Only compare the HTML when we forcefully ignore the cache
3326 if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) {
3330 if ($update && !empty($item["id"])) {
3333 'rendered-html' => $item["rendered-html"],
3334 'rendered-hash' => $item["rendered-hash"]
3336 ['id' => $item["id"]]
3341 $item["body"] = $body;
3345 * @brief Given an item array, convert the body element from bbcode to html and add smilie icons.
3346 * If attach is true, also add icons for item attachments.
3348 * @param array $item
3349 * @param boolean $attach
3350 * @param boolean $is_preview
3351 * @return string item body html
3352 * @throws \Friendica\Network\HTTPException\InternalServerErrorException
3353 * @throws \ImagickException
3354 * @hook prepare_body_init item array before any work
3355 * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html
3356 * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html
3357 * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author)
3359 public static function prepareBody(array &$item, $attach = false, $is_preview = false)
3361 $a = self::getApp();
3362 Hook::callAll('prepare_body_init', $item);
3364 // In order to provide theme developers more possibilities, event items
3365 // are treated differently.
3366 if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) {
3367 $ev = Event::getItemHTML($item);
3371 $tags = Term::populateTagsFromItem($item);
3373 $item['tags'] = $tags['tags'];
3374 $item['hashtags'] = $tags['hashtags'];
3375 $item['mentions'] = $tags['mentions'];
3377 // Compile eventual content filter reasons
3378 $filter_reasons = [];
3379 if (!$is_preview && public_contact() != $item['author-id']) {
3380 if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) {
3381 $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']);
3386 'filter_reasons' => $filter_reasons
3388 Hook::callAll('prepare_body_content_filter', $hook_data);
3389 $filter_reasons = $hook_data['filter_reasons'];
3393 // Update the cached values if there is no "zrl=..." on the links.
3394 $update = (!local_user() && !remote_user() && ($item["uid"] == 0));
3396 // Or update it if the current viewer is the intented viewer.
3397 if (($item["uid"] == local_user()) && ($item["uid"] != 0)) {
3401 self::putInCache($item, $update);
3402 $s = $item["rendered-html"];
3407 'preview' => $is_preview,
3408 'filter_reasons' => $filter_reasons
3410 Hook::callAll('prepare_body', $hook_data);
3411 $s = $hook_data['html'];
3415 // Replace the blockquotes with quotes that are used in mails.
3416 $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">';
3417 $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s);
3424 preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER);
3425 foreach ($matches as $mtch) {
3428 $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]);
3430 if (strpos($mime, 'video') !== false) {
3433 $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'));
3436 $url_parts = explode('/', $the_url);
3437 $id = end($url_parts);
3438 $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [
3441 'title' => L10n::t('View Video'),
3448 $filetype = strtolower(substr($mime, 0, strpos($mime, '/')));
3450 $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1));
3451 $filesubtype = str_replace('.', '-', $filesubtype);
3454 $filesubtype = 'unkn';
3457 $title = Strings::escapeHtml(trim(defaults($mtch, 4, $mtch[1])));
3458 $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes');
3460 $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>';
3461 $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>';
3465 $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>';
3469 if (strpos($s, '<div class="map">') !== false && !empty($item['coord'])) {
3470 $x = Map::byCoordinates(trim($item['coord']));
3472 $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s);
3477 // Look for spoiler.
3478 $spoilersearch = '<blockquote class="spoiler">';
3480 // Remove line breaks before the spoiler.
3481 while ((strpos($s, "\n" . $spoilersearch) !== false)) {
3482 $s = str_replace("\n" . $spoilersearch, $spoilersearch, $s);
3484 while ((strpos($s, "<br />" . $spoilersearch) !== false)) {
3485 $s = str_replace("<br />" . $spoilersearch, $spoilersearch, $s);
3488 while ((strpos($s, $spoilersearch) !== false)) {
3489 $pos = strpos($s, $spoilersearch);
3490 $rnd = Strings::getRandomHex(8);
3491 $spoilerreplace = '<br /> <span id="spoiler-wrap-' . $rnd . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
3492 '<blockquote class="spoiler" id="spoiler-' . $rnd . '" style="display: none;">';
3493 $s = substr($s, 0, $pos) . $spoilerreplace . substr($s, $pos + strlen($spoilersearch));
3496 // Look for quote with author.
3497 $authorsearch = '<blockquote class="author">';
3499 while ((strpos($s, $authorsearch) !== false)) {
3500 $pos = strpos($s, $authorsearch);
3501 $rnd = Strings::getRandomHex(8);
3502 $authorreplace = '<br /> <span id="author-wrap-' . $rnd . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . L10n::t('Click to open/close') . '</span>'.
3503 '<blockquote class="author" id="author-' . $rnd . '" style="display: block;">';
3504 $s = substr($s, 0, $pos) . $authorreplace . substr($s, $pos + strlen($authorsearch));
3507 // Replace friendica image url size with theme preference.
3508 if (!empty($a->theme_info['item_image_size'])) {
3509 $ps = $a->theme_info['item_image_size'];
3510 $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s);
3513 $s = HTML::applyContentFilter($s, $filter_reasons);
3515 $hook_data = ['item' => $item, 'html' => $s];
3516 Hook::callAll('prepare_body_final', $hook_data);
3518 return $hook_data['html'];
3522 * get private link for item
3524 * @param array $item
3525 * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title)
3526 * @throws \Exception
3528 public static function getPlink($item)
3530 $a = self::getApp();
3532 if ($a->user['nickname'] != "") {
3534 'href' => "display/" . $item['guid'],
3535 'orig' => "display/" . $item['guid'],
3536 'title' => L10n::t('View on separate page'),
3537 'orig_title' => L10n::t('view on separate page'),
3540 if (!empty($item['plink'])) {
3541 $ret["href"] = $a->removeBaseURL($item['plink']);
3542 $ret["title"] = L10n::t('link to source');
3545 } elseif (!empty($item['plink']) && ($item['private'] != 1)) {
3547 'href' => $item['plink'],
3548 'orig' => $item['plink'],
3549 'title' => L10n::t('link to source'),
3559 * Is the given item array a post that is sent as starting post to a forum?
3561 * @param array $item
3562 * @param array $owner
3564 * @return boolean "true" when it is a forum post
3566 public static function isForumPost(array $item, array $owner = [])
3568 if (empty($owner)) {
3569 $owner = User::getOwnerDataById($item['uid']);
3570 if (empty($owner)) {
3575 if (($item['author-id'] == $item['owner-id']) ||
3576 ($owner['id'] == $item['contact-id']) ||
3577 ($item['uri'] != $item['parent-uri']) ||
3582 return Contact::isForum($item['contact-id']);