4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text\BBCode;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\Lock;
14 use Friendica\Core\Logger;
15 use Friendica\Core\PConfig;
16 use Friendica\Core\Protocol;
17 use Friendica\Core\System;
18 use Friendica\Core\Worker;
19 use Friendica\Database\DBA;
20 use Friendica\Model\Contact;
21 use Friendica\Model\PermissionSet;
22 use Friendica\Model\ItemURI;
23 use Friendica\Object\Image;
24 use Friendica\Protocol\Diaspora;
25 use Friendica\Protocol\OStatus;
26 use Friendica\Util\DateTimeFormat;
27 use Friendica\Util\XML;
28 use Friendica\Util\Security;
29 use Text_LanguageDetect;
31 require_once 'boot.php';
32 require_once 'include/items.php';
33 require_once 'include/text.php';
35 class Item extends BaseObject
37 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
44 const PT_DOCUMENT = 19;
46 const PT_PERSONAL_NOTE = 128;
48 // Field list that is used to display the items
49 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
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-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'];
62 // Field list that is used to deliver items via the protocols
63 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
64 'created', 'edited', 'verb', 'object-type', 'object', 'target',
65 'private', 'title', 'body', 'location', 'coord', 'app',
66 'attach', 'tag', 'deleted', 'extid', 'post-type',
67 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
68 'author-id', 'author-link', 'owner-link', 'contact-uid',
69 'signed_text', 'signature', 'signer', 'network'];
71 // Field list for "item-content" table that is mixed with the item table
72 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
73 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
74 'object-type', 'object', 'target-type', 'target', 'plink'];
76 // Field list for "item-content" table that is not present in the "item" table
77 const CONTENT_FIELDLIST = ['language'];
79 // Field list for additional delivery data
80 const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform'];
82 // All fields in the item table
83 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
84 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
85 'created', 'edited', 'commented', 'received', 'changed', 'verb',
86 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
87 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
88 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
89 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
90 'title', 'content-warning', 'body', 'location', 'coord', 'app',
91 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
92 'author-id', 'author-link', 'author-name', 'author-avatar',
93 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
95 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
96 // The item-activity table only stores the index and needs this array to know the matching activity.
97 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
99 private static $legacy_mode = null;
101 public static function isLegacyMode()
103 if (is_null(self::$legacy_mode)) {
104 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
107 return self::$legacy_mode;
111 * @brief returns an activity index from an activity string
113 * @param string $activity activity string
114 * @return integer Activity index
116 public static function activityToIndex($activity)
118 $index = array_search($activity, self::ACTIVITIES);
120 if (is_bool($index)) {
128 * @brief returns an activity string from an activity index
130 * @param integer $index activity index
131 * @return string Activity string
133 private static function indexToActivity($index)
135 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
139 return self::ACTIVITIES[$index];
143 * @brief Fetch a single item row
145 * @param mixed $stmt statement object
146 * @return array current row
148 public static function fetch($stmt)
150 $row = DBA::fetch($stmt);
156 // ---------------------- Transform item structure data ----------------------
158 // We prefer the data from the user's contact over the public one
159 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
160 ($row['author-link'] == $row['contact-link'])) {
161 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
162 $row['author-avatar'] = $row['contact-avatar'];
164 if (isset($row['author-name']) && !empty($row['contact-name'])) {
165 $row['author-name'] = $row['contact-name'];
169 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
170 ($row['owner-link'] == $row['contact-link'])) {
171 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
172 $row['owner-avatar'] = $row['contact-avatar'];
174 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
175 $row['owner-name'] = $row['contact-name'];
179 // We can always comment on posts from these networks
180 if (array_key_exists('writable', $row) &&
181 in_array($row['internal-network'], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
182 $row['writable'] = true;
185 // ---------------------- Transform item content data ----------------------
187 // Fetch data from the item-content table whenever there is content there
188 if (self::isLegacyMode()) {
189 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
190 foreach ($legacy_fields as $field) {
191 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
192 $row[$field] = $row['internal-item-' . $field];
194 unset($row['internal-item-' . $field]);
198 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
199 $row['verb'] = self::indexToActivity($row['internal-activity']);
200 if (array_key_exists('title', $row)) {
203 if (array_key_exists('body', $row)) {
204 $row['body'] = $row['verb'];
206 if (array_key_exists('object', $row)) {
209 if (array_key_exists('object-type', $row)) {
210 $row['object-type'] = ACTIVITY_OBJ_NOTE;
212 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
213 // Posts don't have an object or target - but having tags or files.
214 // We safe some performance by building tag and file strings only here.
215 // We remove object and target since they aren't used for this type.
216 if (array_key_exists('object', $row)) {
219 if (array_key_exists('target', $row)) {
224 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
225 // Build the tag string out of the term entries
226 if (array_key_exists('tag', $row) && empty($row['tag'])) {
227 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
230 // Build the file string out of the term entries
231 if (array_key_exists('file', $row) && empty($row['file'])) {
232 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
236 if (array_key_exists('signed_text', $row) && array_key_exists('interaction', $row) && !is_null($row['interaction'])) {
237 $row['signed_text'] = $row['interaction'];
240 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
241 $row['ignored'] = $row['internal-user-ignored'];
244 // Remove internal fields
245 unset($row['internal-activity']);
246 unset($row['internal-network']);
247 unset($row['internal-iid']);
248 unset($row['internal-iaid']);
249 unset($row['internal-icid']);
250 unset($row['internal-user-ignored']);
251 unset($row['interaction']);
257 * @brief Fills an array with data from an item query
259 * @param object $stmt statement object
260 * @return array Data array
262 public static function inArray($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 $condition array of fields for condition
282 * @return boolean Are there rows for that condition?
284 public static function exists($condition) {
285 $stmt = self::select(['id'], $condition, ['limit' => 1]);
287 if (is_bool($stmt)) {
290 $retval = (DBA::numRows($stmt) > 0);
299 * Retrieve a single record from the item table for a given user and returns it in an associative array
301 * @brief Retrieve a single record from a table
302 * @param integer $uid User ID
303 * @param array $fields
304 * @param array $condition
305 * @param array $params
309 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
311 $params['uid'] = $uid;
313 if (empty($selected)) {
314 $selected = Item::DISPLAY_FIELDLIST;
317 return self::selectFirst($selected, $condition, $params);
321 * @brief Select rows from the item table for a given user
323 * @param integer $uid User ID
324 * @param array $selected Array of selected fields, empty for all
325 * @param array $condition Array of fields for condition
326 * @param array $params Array of several parameters
328 * @return boolean|object
330 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
332 $params['uid'] = $uid;
334 if (empty($selected)) {
335 $selected = Item::DISPLAY_FIELDLIST;
338 return self::select($selected, $condition, $params);
342 * Retrieve a single record from the item table and returns it in an associative array
344 * @brief Retrieve a single record from a table
345 * @param array $fields
346 * @param array $condition
347 * @param array $params
351 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
353 $params['limit'] = 1;
355 $result = self::select($fields, $condition, $params);
357 if (is_bool($result)) {
360 $row = self::fetch($result);
367 * @brief Select rows from the item table
369 * @param array $selected Array of selected fields, empty for all
370 * @param array $condition Array of fields for condition
371 * @param array $params Array of several parameters
373 * @return boolean|object
375 public static function select(array $selected = [], array $condition = [], $params = [])
380 if (isset($params['uid'])) {
381 $uid = $params['uid'];
385 $fields = self::fieldlist($usermode);
387 $select_fields = self::constructSelectFields($fields, $selected);
389 $condition_string = DBA::buildCondition($condition);
391 $condition_string = self::addTablesToFields($condition_string, $fields);
394 $condition_string = $condition_string . ' AND ' . self::condition(false);
397 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
399 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
401 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
403 return DBA::p($sql, $condition);
407 * @brief Select rows from the starting post in the item table
409 * @param integer $uid User ID
410 * @param array $fields Array of selected fields, empty for all
411 * @param array $condition Array of fields for condition
412 * @param array $params Array of several parameters
414 * @return boolean|object
416 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
418 $params['uid'] = $uid;
420 if (empty($selected)) {
421 $selected = Item::DISPLAY_FIELDLIST;
424 return self::selectThread($selected, $condition, $params);
428 * Retrieve a single record from the starting post in the item table and returns it in an associative array
430 * @brief Retrieve a single record from a table
431 * @param integer $uid User ID
432 * @param array $selected
433 * @param array $condition
434 * @param array $params
438 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
440 $params['uid'] = $uid;
442 if (empty($selected)) {
443 $selected = Item::DISPLAY_FIELDLIST;
446 return self::selectFirstThread($selected, $condition, $params);
450 * Retrieve a single record from the starting post in the item table and returns it in an associative array
452 * @brief Retrieve a single record from a table
453 * @param array $fields
454 * @param array $condition
455 * @param array $params
459 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
461 $params['limit'] = 1;
462 $result = self::selectThread($fields, $condition, $params);
464 if (is_bool($result)) {
467 $row = self::fetch($result);
474 * @brief Select rows from the starting post in the item table
476 * @param array $selected Array of selected fields, empty for all
477 * @param array $condition Array of fields for condition
478 * @param array $params Array of several parameters
480 * @return boolean|object
482 public static function selectThread(array $selected = [], array $condition = [], $params = [])
487 if (isset($params['uid'])) {
488 $uid = $params['uid'];
492 $fields = self::fieldlist($usermode);
494 $fields['thread'] = ['mention', 'ignored', 'iid'];
496 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
497 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
498 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
499 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
501 $select_fields = self::constructSelectFields($fields, $selected);
503 $condition_string = DBA::buildCondition($condition);
505 $condition_string = self::addTablesToFields($condition_string, $threadfields);
506 $condition_string = self::addTablesToFields($condition_string, $fields);
509 $condition_string = $condition_string . ' AND ' . self::condition(true);
512 $param_string = DBA::buildParameter($params);
513 $param_string = self::addTablesToFields($param_string, $threadfields);
514 $param_string = self::addTablesToFields($param_string, $fields);
516 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
518 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
520 return DBA::p($sql, $condition);
524 * @brief Returns a list of fields that are associated with the item table
526 * @return array field list
528 private static function fieldlist($usermode)
532 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
533 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
534 'created', 'edited', 'commented', 'received', 'changed', 'psid',
535 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
536 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
537 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
538 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
539 'network' => 'internal-network', 'icid' => 'internal-icid',
540 'iaid' => 'internal-iaid'];
543 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
546 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
548 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
550 $fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST;
552 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
554 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
555 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
557 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
558 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
560 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
561 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
562 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
564 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
566 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
568 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
569 'start' => 'event-start','finish' => 'event-finish',
570 'summary' => 'event-summary','desc' => 'event-desc',
571 'location' => 'event-location', 'type' => 'event-type',
572 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
573 'ignore' => 'event-ignore', 'id' => 'event-id'];
575 $fields['sign'] = ['signed_text', 'signature', 'signer'];
577 $fields['diaspora-interaction'] = ['interaction'];
583 * @brief Returns SQL condition for the "select" functions
585 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
587 * @return string SQL condition
589 private static function condition($thread_mode)
592 $master_table = "`thread`";
594 $master_table = "`item`";
596 return sprintf("$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated`
597 AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`)
598 AND (`user-author`.`blocked` IS NULL OR NOT `user-author`.`blocked`)
599 AND (`user-author`.`ignored` IS NULL OR NOT `user-author`.`ignored` OR `item`.`gravity` != %d)
600 AND (`user-owner`.`blocked` IS NULL OR NOT `user-owner`.`blocked`)
601 AND (`user-owner`.`ignored` IS NULL OR NOT `user-owner`.`ignored` OR `item`.`gravity` != %d) ",
602 GRAVITY_PARENT, GRAVITY_PARENT);
606 * @brief Returns all needed "JOIN" commands for the "select" functions
608 * @param integer $uid User ID
609 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
610 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
612 * @return string The SQL joins for the "select" functions
614 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
617 $master_table = "`thread`";
618 $master_table_key = "`thread`.`iid`";
619 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
621 $master_table = "`item`";
622 $master_table_key = "`item`.`id`";
627 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
628 AND NOT `contact`.`blocked`
629 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
630 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
631 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
632 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
633 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d
634 LEFT JOIN `user-contact` AS `user-author` ON `user-author`.`cid` = $master_table.`author-id` AND `user-author`.`uid` = %d
635 LEFT JOIN `user-contact` AS `user-owner` ON `user-owner`.`cid` = $master_table.`owner-id` AND `user-owner`.`uid` = %d",
636 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid), intval($uid), intval($uid));
638 if (strpos($sql_commands, "`contact`.") !== false) {
639 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
641 if (strpos($sql_commands, "`author`.") !== false) {
642 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
644 if (strpos($sql_commands, "`owner`.") !== false) {
645 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
649 if (strpos($sql_commands, "`group_member`.") !== false) {
650 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
653 if (strpos($sql_commands, "`user`.") !== false) {
654 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
657 if (strpos($sql_commands, "`event`.") !== false) {
658 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
661 if (strpos($sql_commands, "`sign`.") !== false) {
662 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
665 if (strpos($sql_commands, "`diaspora-interaction`.") !== false) {
666 $joins .= " LEFT JOIN `diaspora-interaction` ON `diaspora-interaction`.`uri-id` = `item`.`uri-id`";
669 if (strpos($sql_commands, "`item-activity`.") !== false) {
670 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`uri-id` = `item`.`uri-id`";
673 if (strpos($sql_commands, "`item-content`.") !== false) {
674 $joins .= " LEFT JOIN `item-content` ON `item-content`.`uri-id` = `item`.`uri-id`";
677 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
678 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
681 if (strpos($sql_commands, "`permissionset`.") !== false) {
682 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
685 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
686 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
689 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
690 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
697 * @brief Add the field list for the "select" functions
699 * @param array $fields The field definition array
700 * @param array $selected The array with the selected fields from the "select" functions
702 * @return string The field list
704 private static function constructSelectFields($fields, $selected)
706 if (!empty($selected)) {
707 $selected[] = 'internal-iid';
708 $selected[] = 'internal-iaid';
709 $selected[] = 'internal-icid';
710 $selected[] = 'internal-network';
713 if (in_array('verb', $selected)) {
714 $selected[] = 'internal-activity';
717 if (in_array('ignored', $selected)) {
718 $selected[] = 'internal-user-ignored';
721 if (in_array('signed_text', $selected)) {
722 $selected[] = 'interaction';
726 foreach ($fields as $table => $table_fields) {
727 foreach ($table_fields as $field => $select) {
728 if (empty($selected) || in_array($select, $selected)) {
729 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
730 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
731 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
733 if (is_int($field)) {
734 $selection[] = "`" . $table . "`.`" . $select . "`";
736 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
741 return implode(", ", $selection);
745 * @brief add table definition to fields in an SQL query
747 * @param string $query SQL query
748 * @param array $fields The field definition array
750 * @return string the changed SQL query
752 private static function addTablesToFields($query, $fields)
754 foreach ($fields as $table => $table_fields) {
755 foreach ($table_fields as $alias => $field) {
756 if (is_int($alias)) {
757 $replace_field = $field;
759 $replace_field = $alias;
762 $search = "/([^\.])`" . $field . "`/i";
763 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
764 $query = preg_replace($search, $replace, $query);
771 * @brief Update existing item entries
773 * @param array $fields The fields that are to be changed
774 * @param array $condition The condition for finding the item entries
776 * In the future we may have to change permissions as well.
777 * Then we had to add the user id as third parameter.
779 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
781 * @return integer|boolean number of affected rows - or "false" if there was an error
783 public static function update(array $fields, array $condition)
785 if (empty($condition) || empty($fields)) {
789 // To ensure the data integrity we do it in an transaction
792 // We cannot simply expand the condition to check for origin entries
793 // The condition needn't to be a simple array but could be a complex condition.
794 // And we have to execute this query before the update to ensure to fetch the same data.
795 $items = DBA::select('item', ['id', 'origin', 'uri', 'uri-id', 'iaid', 'icid', 'tag', 'file'], $condition);
797 $content_fields = [];
798 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
799 if (isset($fields[$field])) {
800 $content_fields[$field] = $fields[$field];
801 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
802 unset($fields[$field]);
804 $fields[$field] = null;
809 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
810 foreach ($clear_fields as $field) {
811 if (array_key_exists($field, $fields)) {
812 $fields[$field] = null;
816 if (array_key_exists('tag', $fields)) {
817 $tags = $fields['tag'];
818 $fields['tag'] = null;
823 if (array_key_exists('file', $fields)) {
824 $files = $fields['file'];
825 $fields['file'] = null;
830 $delivery_data = ['postopts' => defaults($fields, 'postopts', ''),
831 'inform' => defaults($fields, 'inform', '')];
833 $fields['postopts'] = null;
834 $fields['inform'] = null;
836 if (!empty($fields)) {
837 $success = DBA::update('item', $fields, $condition);
846 // When there is no content for the "old" item table, this will count the fetched items
847 $rows = DBA::affectedRows();
849 while ($item = DBA::fetch($items)) {
850 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
851 self::updateActivity($content_fields, ['uri-id' => $item['uri-id']]);
853 if (empty($item['iaid'])) {
854 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
855 if (DBA::isResult($item_activity)) {
856 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
857 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
858 if (self::isLegacyMode()) {
859 $item_fields[$field] = null;
861 unset($item_fields[$field]);
864 DBA::update('item', $item_fields, ['id' => $item['id']]);
866 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
867 DBA::delete('item-content', ['id' => $item['icid']]);
870 } elseif (!empty($item['icid'])) {
871 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
873 if (!DBA::exists('item', ['icid' => $item['icid']])) {
874 DBA::delete('item-content', ['id' => $item['icid']]);
878 self::updateContent($content_fields, ['uri-id' => $item['uri-id']]);
880 if (empty($item['icid'])) {
881 $item_content = DBA::selectFirst('item-content', [], ['uri-id' => $item['uri-id']]);
882 if (DBA::isResult($item_content)) {
883 $item_fields = ['icid' => $item_content['id']];
884 // Clear all fields in the item table that have a content in the item-content table
885 foreach ($item_content as $field => $content) {
886 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
887 if (self::isLegacyMode()) {
888 $item_fields[$field] = null;
890 unset($item_fields[$field]);
894 DBA::update('item', $item_fields, ['id' => $item['id']]);
899 if (!is_null($tags)) {
900 Term::insertFromTagFieldByItemId($item['id'], $tags);
901 if (!empty($item['tag'])) {
902 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
906 if (!empty($files)) {
907 Term::insertFromFileFieldByItemId($item['id'], $files);
908 if (!empty($item['file'])) {
909 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
913 self::updateDeliveryData($item['id'], $delivery_data);
915 self::updateThread($item['id']);
917 // We only need to notfiy others when it is an original entry from us.
918 // Only call the notifier when the item has some content relevant change.
919 if ($item['origin'] && in_array('edited', array_keys($fields))) {
920 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
930 * @brief Delete an item and notify others about it - if it was ours
932 * @param array $condition The condition for finding the item entries
933 * @param integer $priority Priority for the notification
935 public static function delete($condition, $priority = PRIORITY_HIGH)
937 $items = self::select(['id'], $condition);
938 while ($item = self::fetch($items)) {
939 self::deleteById($item['id'], $priority);
945 * @brief Delete an item for an user and notify others about it - if it was ours
947 * @param array $condition The condition for finding the item entries
948 * @param integer $uid User who wants to delete this item
950 public static function deleteForUser($condition, $uid)
956 $items = self::select(['id', 'uid'], $condition);
957 while ($item = self::fetch($items)) {
958 // "Deleting" global items just means hiding them
959 if ($item['uid'] == 0) {
960 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
961 } elseif ($item['uid'] == $uid) {
962 self::deleteById($item['id'], PRIORITY_HIGH);
964 Logger::log('Wrong ownership. Not deleting item ' . $item['id']);
971 * @brief Delete an item and notify others about it - if it was ours
973 * @param integer $item_id Item ID that should be delete
974 * @param integer $priority Priority for the notification
976 * @return boolean success
978 public static function deleteById($item_id, $priority = PRIORITY_HIGH)
980 // locate item to be deleted
981 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
982 'deleted', 'file', 'resource-id', 'event-id', 'attach',
983 'verb', 'object-type', 'object', 'target', 'contact-id',
984 'icid', 'iaid', 'psid'];
985 $item = self::selectFirst($fields, ['id' => $item_id]);
986 if (!DBA::isResult($item)) {
987 Logger::log('Item with ID ' . $item_id . " hasn't been found.", Logger::DEBUG);
991 if ($item['deleted']) {
992 Logger::log('Item with ID ' . $item_id . ' has already been deleted.', Logger::DEBUG);
996 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
997 if (!DBA::isResult($parent)) {
998 $parent = ['origin' => false];
1001 // clean up categories and tags so they don't end up as orphans
1004 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1006 foreach ($matches as $mtch) {
1007 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
1013 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1015 foreach ($matches as $mtch) {
1016 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
1021 * If item is a link to a photo resource, nuke all the associated photos
1022 * (visitors will not have photo resources)
1023 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1024 * generate a resource-id and therefore aren't intimately linked to the item.
1026 if (strlen($item['resource-id'])) {
1027 DBA::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1030 // If item is a link to an event, delete the event.
1031 if (intval($item['event-id'])) {
1032 Event::delete($item['event-id']);
1035 // If item has attachments, drop them
1036 foreach (explode(", ", $item['attach']) as $attach) {
1037 preg_match("|attach/(\d+)|", $attach, $matches);
1038 if (is_array($matches) && count($matches) > 1) {
1039 DBA::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
1043 // Delete tags that had been attached to other items
1044 self::deleteTagsFromItem($item);
1046 // Set the item to "deleted"
1047 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1048 DBA::update('item', $item_fields, ['id' => $item['id']]);
1050 Term::insertFromTagFieldByItemId($item['id'], '');
1051 Term::insertFromFileFieldByItemId($item['id'], '');
1052 self::deleteThread($item['id'], $item['parent-uri']);
1054 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1055 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1058 DBA::delete('item-delivery-data', ['iid' => $item['id']]);
1060 // We don't delete the item-activity here, since we need some of the data for ActivityPub
1062 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1063 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1065 // When the permission set will be used in photo and events as well,
1066 // this query here needs to be extended.
1067 if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1068 DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1071 // If it's the parent of a comment thread, kill all the kids
1072 if ($item['id'] == $item['parent']) {
1073 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1076 // Is it our comment and/or our thread?
1077 if ($item['origin'] || $parent['origin']) {
1079 // When we delete the original post we will delete all existing copies on the server as well
1080 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1082 // send the notification upstream/downstream
1083 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
1084 } elseif ($item['uid'] != 0) {
1086 // When we delete just our local user copy of an item, we have to set a marker to hide it
1087 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1088 if (DBA::isResult($global_item)) {
1089 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1093 Logger::log('Item with ID ' . $item_id . " has been deleted.", Logger::DEBUG);
1098 private static function deleteTagsFromItem($item)
1100 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1104 $xo = XML::parseString($item["object"], false);
1105 $xt = XML::parseString($item["target"], false);
1107 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1111 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1112 if (!DBA::isResult($i)) {
1116 // For tags, the owner cannot remove the tag on the author's copy of the post.
1117 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1118 $author_copy = $item["origin"];
1120 if (($owner_remove && $author_copy) || !$owner_remove) {
1124 $tags = explode(',', $i["tag"]);
1127 foreach ($tags as $tag) {
1128 if (trim($tag) !== trim($xo->body)) {
1129 $newtags[] = trim($tag);
1133 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1136 private static function guid($item, $notify)
1138 if (!empty($item['guid'])) {
1139 return notags(trim($item['guid']));
1143 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1144 // We add the hash of our own host because our host is the original creator of the post.
1145 $prefix_host = get_app()->getHostName();
1149 // We are only storing the post so we create a GUID from the original hostname.
1150 if (!empty($item['author-link'])) {
1151 $parsed = parse_url($item['author-link']);
1152 if (!empty($parsed['host'])) {
1153 $prefix_host = $parsed['host'];
1157 if (empty($prefix_host) && !empty($item['plink'])) {
1158 $parsed = parse_url($item['plink']);
1159 if (!empty($parsed['host'])) {
1160 $prefix_host = $parsed['host'];
1164 if (empty($prefix_host) && !empty($item['uri'])) {
1165 $parsed = parse_url($item['uri']);
1166 if (!empty($parsed['host'])) {
1167 $prefix_host = $parsed['host'];
1171 // Is it in the format data@host.tld? - Used for mail contacts
1172 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1173 $mailparts = explode('@', $item['author-link']);
1174 $prefix_host = array_pop($mailparts);
1178 if (!empty($item['plink'])) {
1179 $guid = self::guidFromUri($item['plink'], $prefix_host);
1180 } elseif (!empty($item['uri'])) {
1181 $guid = self::guidFromUri($item['uri'], $prefix_host);
1183 $guid = System::createUUID(hash('crc32', $prefix_host));
1189 private static function contactId($item)
1191 $contact_id = (int)$item["contact-id"];
1193 if (!empty($contact_id)) {
1196 Logger::log('Missing contact-id. Called by: '.System::callstack(), Logger::DEBUG);
1198 * First we are looking for a suitable contact that matches with the author of the post
1199 * This is done only for comments
1201 if ($item['parent-uri'] != $item['uri']) {
1202 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1205 // If not present then maybe the owner was found
1206 if ($contact_id == 0) {
1207 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1210 // Still missing? Then use the "self" contact of the current user
1211 if ($contact_id == 0) {
1212 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1213 if (DBA::isResult($self)) {
1214 $contact_id = $self["id"];
1217 Logger::log("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, Logger::DEBUG);
1222 // This function will finally cover most of the preparation functionality in mod/item.php
1223 public static function prepare(&$item)
1225 $data = BBCode::getAttachmentData($item['body']);
1226 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1227 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1228 $posttype = Item::PT_PAGE;
1229 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1233 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1237 // If it is a posting where users should get notifications, then define it as wall posting
1240 $item['origin'] = 1;
1241 $item['network'] = Protocol::DFRN;
1242 $item['protocol'] = Conversation::PARCEL_DFRN;
1244 if (is_int($notify)) {
1245 $priority = $notify;
1247 $priority = PRIORITY_HIGH;
1250 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1253 $item['guid'] = self::guid($item, $notify);
1254 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1257 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1259 // Store conversation data
1260 $item = Conversation::insert($item);
1263 * If a Diaspora signature structure was passed in, pull it out of the
1264 * item array and set it aside for later storage.
1268 if (isset($item['dsprsig'])) {
1269 $encoded_signature = $item['dsprsig'];
1270 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1271 unset($item['dsprsig']);
1274 $diaspora_signed_text = '';
1275 if (isset($item['diaspora_signed_text'])) {
1276 $diaspora_signed_text = $item['diaspora_signed_text'];
1277 unset($item['diaspora_signed_text']);
1280 // Converting the plink
1281 /// @TODO Check if this is really still needed
1282 if ($item['network'] == Protocol::OSTATUS) {
1283 if (isset($item['plink'])) {
1284 $item['plink'] = OStatus::convertHref($item['plink']);
1285 } elseif (isset($item['uri'])) {
1286 $item['plink'] = OStatus::convertHref($item['uri']);
1290 if (!empty($item['thr-parent'])) {
1291 $item['parent-uri'] = $item['thr-parent'];
1294 if (isset($item['gravity'])) {
1295 $item['gravity'] = intval($item['gravity']);
1296 } elseif ($item['parent-uri'] === $item['uri']) {
1297 $item['gravity'] = GRAVITY_PARENT;
1298 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1299 $item['gravity'] = GRAVITY_COMMENT;
1301 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1302 Logger::log('Unknown gravity for verb: ' . $item['verb'], Logger::DEBUG);
1305 $uid = intval($item['uid']);
1307 // check for create date and expire time
1308 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1310 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1311 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1312 $expire_interval = $user['expire'];
1315 if (($expire_interval > 0) && !empty($item['created'])) {
1316 $expire_date = time() - ($expire_interval * 86400);
1317 $created_date = strtotime($item['created']);
1318 if ($created_date < $expire_date) {
1319 Logger::log('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), Logger::DEBUG);
1325 * Do we already have this item?
1326 * We have to check several networks since Friendica posts could be repeated
1327 * via OStatus (maybe Diasporsa as well)
1329 if (in_array($item['network'], [Protocol::ACTIVITYPUB, Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS, ""])) {
1330 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1331 trim($item['uri']), $item['uid'],
1332 Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1333 $existing = self::selectFirst(['id', 'network'], $condition);
1334 if (DBA::isResult($existing)) {
1335 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1337 Logger::log("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1340 return $existing["id"];
1344 $item['wall'] = intval(defaults($item, 'wall', 0));
1345 $item['extid'] = trim(defaults($item, 'extid', ''));
1346 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1347 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1348 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1349 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1350 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1351 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1352 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1353 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1354 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1355 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1356 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1357 $item['title'] = trim(defaults($item, 'title', ''));
1358 $item['location'] = trim(defaults($item, 'location', ''));
1359 $item['coord'] = trim(defaults($item, 'coord', ''));
1360 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1361 $item['deleted'] = 0;
1362 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1363 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1364 $item['verb'] = trim(defaults($item, 'verb', ''));
1365 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1366 $item['object'] = trim(defaults($item, 'object', ''));
1367 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1368 $item['target'] = trim(defaults($item, 'target', ''));
1369 $item['plink'] = trim(defaults($item, 'plink', ''));
1370 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1371 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1372 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1373 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1374 $item['private'] = intval(defaults($item, 'private', 0));
1375 $item['body'] = trim(defaults($item, 'body', ''));
1376 $item['tag'] = trim(defaults($item, 'tag', ''));
1377 $item['attach'] = trim(defaults($item, 'attach', ''));
1378 $item['app'] = trim(defaults($item, 'app', ''));
1379 $item['origin'] = intval(defaults($item, 'origin', 0));
1380 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1381 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1382 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1383 $item['inform'] = trim(defaults($item, 'inform', ''));
1384 $item['file'] = trim(defaults($item, 'file', ''));
1386 // When there is no content then we don't post it
1387 if ($item['body'].$item['title'] == '') {
1388 Logger::log('No body, no title.');
1392 self::addLanguageToItemArray($item);
1394 // Items cannot be stored before they happen ...
1395 if ($item['created'] > DateTimeFormat::utcNow()) {
1396 $item['created'] = DateTimeFormat::utcNow();
1399 // We haven't invented time travel by now.
1400 if ($item['edited'] > DateTimeFormat::utcNow()) {
1401 $item['edited'] = DateTimeFormat::utcNow();
1404 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1406 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1407 $item["contact-id"] = self::contactId($item);
1409 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1410 'photo' => $item['author-avatar'], 'network' => $item['network']];
1412 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1414 if (Contact::isBlocked($item["author-id"])) {
1415 Logger::log('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1419 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1420 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1422 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1424 if (Contact::isBlocked($item["owner-id"])) {
1425 Logger::log('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1429 if ($item['network'] == Protocol::PHANTOM) {
1430 Logger::log('Missing network. Called by: '.System::callstack(), Logger::DEBUG);
1432 $item['network'] = Protocol::DFRN;
1433 Logger::log("Set network to " . $item["network"] . " for " . $item["uri"], Logger::DEBUG);
1436 // Checking if there is already an item with the same guid
1437 Logger::log('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], Logger::DEBUG);
1438 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1439 if (self::exists($condition)) {
1440 Logger::log('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], Logger::DEBUG);
1444 // Check for hashtags in the body and repair or add hashtag links
1445 self::setHashtags($item);
1447 $item['thr-parent'] = $item['parent-uri'];
1455 if ($item['parent-uri'] === $item['uri']) {
1457 $parent_deleted = 0;
1458 $allow_cid = $item['allow_cid'];
1459 $allow_gid = $item['allow_gid'];
1460 $deny_cid = $item['deny_cid'];
1461 $deny_gid = $item['deny_gid'];
1462 $notify_type = 'wall-new';
1464 // find the parent and snarf the item id and ACLs
1465 // and anything else we need to inherit
1467 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1468 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1469 'wall', 'private', 'forum_mode', 'origin'];
1470 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1471 $params = ['order' => ['id' => false]];
1472 $parent = self::selectFirst($fields, $condition, $params);
1474 if (DBA::isResult($parent)) {
1475 // is the new message multi-level threaded?
1476 // even though we don't support it now, preserve the info
1477 // and re-attach to the conversation parent.
1479 if ($parent['uri'] != $parent['parent-uri']) {
1480 $item['parent-uri'] = $parent['parent-uri'];
1482 $condition = ['uri' => $item['parent-uri'],
1483 'parent-uri' => $item['parent-uri'],
1484 'uid' => $item['uid']];
1485 $params = ['order' => ['id' => false]];
1486 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1488 if (DBA::isResult($toplevel_parent)) {
1489 $parent = $toplevel_parent;
1493 $parent_id = $parent['id'];
1494 $parent_deleted = $parent['deleted'];
1495 $allow_cid = $parent['allow_cid'];
1496 $allow_gid = $parent['allow_gid'];
1497 $deny_cid = $parent['deny_cid'];
1498 $deny_gid = $parent['deny_gid'];
1499 $item['wall'] = $parent['wall'];
1500 $notify_type = 'comment-new';
1503 * If the parent is private, force privacy for the entire conversation
1504 * This differs from the above settings as it subtly allows comments from
1505 * email correspondents to be private even if the overall thread is not.
1507 if ($parent['private']) {
1508 $item['private'] = $parent['private'];
1512 * Edge case. We host a public forum that was originally posted to privately.
1513 * The original author commented, but as this is a comment, the permissions
1514 * weren't fixed up so it will still show the comment as private unless we fix it here.
1516 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1517 $item['private'] = 0;
1520 // If its a post from myself then tag the thread as "mention"
1521 Logger::log("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], Logger::DEBUG);
1522 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1523 if (DBA::isResult($user)) {
1524 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1525 $self_id = Contact::getIdForURL($self, 0, true);
1526 Logger::log("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], Logger::DEBUG);
1527 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1528 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1529 Logger::log("tagged thread ".$parent_id." as mention for user ".$self, Logger::DEBUG);
1534 * Allow one to see reply tweets from status.net even when
1535 * we don't have or can't see the original post.
1537 if ($force_parent) {
1538 Logger::log('$force_parent=true, reply converted to top-level post.');
1540 $item['parent-uri'] = $item['uri'];
1541 $item['gravity'] = GRAVITY_PARENT;
1543 Logger::log('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1547 $parent_deleted = 0;
1551 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1552 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1554 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1555 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1556 if (self::exists($condition)) {
1557 Logger::log('duplicated item with the same uri found. '.print_r($item,true));
1561 // On Friendica and Diaspora the GUID is unique
1562 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1563 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1564 if (self::exists($condition)) {
1565 Logger::log('duplicated item with the same guid found. '.print_r($item,true));
1569 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1570 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1571 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1572 if (self::exists($condition)) {
1573 Logger::log('duplicated item with the same body found. '.print_r($item,true));
1578 // Is this item available in the global items (with uid=0)?
1579 if ($item["uid"] == 0) {
1580 $item["global"] = true;
1582 // Set the global flag on all items if this was a global item entry
1583 self::update(['global' => true], ['uri' => $item["uri"]]);
1585 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1589 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1592 $private = $item['private'];
1595 $item["allow_cid"] = $allow_cid;
1596 $item["allow_gid"] = $allow_gid;
1597 $item["deny_cid"] = $deny_cid;
1598 $item["deny_gid"] = $deny_gid;
1599 $item["private"] = $private;
1600 $item["deleted"] = $parent_deleted;
1602 // Fill the cache field
1603 put_item_in_cache($item);
1606 $item['edit'] = false;
1607 $item['parent'] = $parent_id;
1608 Addon::callHooks('post_local', $item);
1609 unset($item['edit']);
1610 unset($item['parent']);
1612 Addon::callHooks('post_remote', $item);
1615 // This array field is used to trigger some automatic reactions
1616 // It is mainly used in the "post_local" hook.
1617 unset($item['api_source']);
1619 if (x($item, 'cancel')) {
1620 Logger::log('post cancelled by addon.');
1625 * Check for already added items.
1626 * There is a timing issue here that sometimes creates double postings.
1627 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1629 if ($item["uid"] == 0) {
1630 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1631 Logger::log('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], Logger::DEBUG);
1636 Logger::log('' . print_r($item,true), Logger::DATA);
1638 if (array_key_exists('tag', $item)) {
1639 $tags = $item['tag'];
1640 unset($item['tag']);
1645 if (array_key_exists('file', $item)) {
1646 $files = $item['file'];
1647 unset($item['file']);
1652 // Creates or assigns the permission set
1653 $item['psid'] = PermissionSet::fetchIDForPost($item);
1655 // We are doing this outside of the transaction to avoid timing problems
1656 if (!self::insertActivity($item)) {
1657 self::insertContent($item);
1660 $delivery_data = ['postopts' => defaults($item, 'postopts', ''),
1661 'inform' => defaults($item, 'inform', '')];
1663 unset($item['postopts']);
1664 unset($item['inform']);
1666 // These fields aren't stored anymore in the item table, they are fetched upon request
1667 unset($item['author-link']);
1668 unset($item['author-name']);
1669 unset($item['author-avatar']);
1671 unset($item['owner-link']);
1672 unset($item['owner-name']);
1673 unset($item['owner-avatar']);
1676 $ret = DBA::insert('item', $item);
1678 // When the item was successfully stored we fetch the ID of the item.
1679 if (DBA::isResult($ret)) {
1680 $current_post = DBA::lastInsertId();
1682 // This can happen - for example - if there are locking timeouts.
1685 // Store the data into a spool file so that we can try again later.
1687 // At first we restore the Diaspora signature that we removed above.
1688 if (isset($encoded_signature)) {
1689 $item['dsprsig'] = $encoded_signature;
1692 // Now we store the data in the spool directory
1693 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1694 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1696 $spoolpath = get_spoolpath();
1697 if ($spoolpath != "") {
1698 $spool = $spoolpath.'/'.$file;
1700 // Ensure to have the removed data from above again in the item array
1701 $item = array_merge($item, $delivery_data);
1703 file_put_contents($spool, json_encode($item));
1704 Logger::log("Item wasn't stored - Item was spooled into file ".$file, Logger::DEBUG);
1709 if ($current_post == 0) {
1710 // This is one of these error messages that never should occur.
1711 Logger::log("couldn't find created item - we better quit now.");
1716 // How much entries have we created?
1717 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1718 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1721 // There are duplicates. We delete our just created entry.
1722 Logger::log('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1724 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1725 DBA::delete('item', ['id' => $current_post]);
1728 } elseif ($entries == 0) {
1729 // This really should never happen since we quit earlier if there were problems.
1730 Logger::log("Something is terribly wrong. We haven't found our created entry.");
1735 Logger::log('created item '.$current_post);
1736 self::updateContact($item);
1738 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1739 $parent_id = $current_post;
1743 self::update(['parent' => $parent_id], ['id' => $current_post]);
1745 $item['id'] = $current_post;
1746 $item['parent'] = $parent_id;
1748 // update the commented timestamp on the parent
1749 // Only update "commented" if it is really a comment
1750 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1751 self::update(['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1753 self::update(['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1758 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1759 * We can check for this condition when we decode and encode the stuff again.
1761 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1762 $dsprsig->signature = base64_decode($dsprsig->signature);
1763 Logger::log("Repaired double encoded signature from handle ".$dsprsig->signer, Logger::DEBUG);
1766 if (!empty($dsprsig->signed_text) && empty($dsprsig->signature) && empty($dsprsig->signer)) {
1767 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $dsprsig->signed_text], true);
1769 // The other fields are used by very old Friendica servers, so we currently store them differently
1770 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1771 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1775 if (!empty($diaspora_signed_text)) {
1776 DBA::insert('diaspora-interaction', ['uri-id' => $item['uri-id'], 'interaction' => $diaspora_signed_text], true);
1779 $deleted = self::tagDeliver($item['uid'], $current_post);
1782 * current post can be deleted if is for a community page and no mention are
1785 if (!$deleted && !$dontcache) {
1786 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1787 if (DBA::isResult($posted_item)) {
1789 Addon::callHooks('post_local_end', $posted_item);
1791 Addon::callHooks('post_remote_end', $posted_item);
1794 Logger::log('new item not found in DB, id ' . $current_post);
1798 if ($item['parent-uri'] === $item['uri']) {
1799 self::addThread($current_post);
1801 self::updateThread($parent_id);
1804 $delivery_data['iid'] = $current_post;
1806 self::insertDeliveryData($delivery_data);
1811 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1812 * This is not perfect - but a workable solution until we found the reason for the problem.
1814 if (!empty($tags)) {
1815 Term::insertFromTagFieldByItemId($current_post, $tags);
1818 if (!empty($files)) {
1819 Term::insertFromFileFieldByItemId($current_post, $files);
1822 if ($item['parent-uri'] === $item['uri']) {
1823 self::addShadow($current_post);
1825 self::addShadowPost($current_post);
1828 check_user_notification($current_post);
1831 Worker::add(['priority' => $priority, 'dont_fork' => true], 'Notifier', $notify_type, $current_post);
1832 } elseif ($item['visible'] && ((!empty($parent) && $parent['origin']) || $item['origin'])) {
1833 if ($item['gravity'] == GRAVITY_ACTIVITY) {
1834 $cmd = $item['origin'] ? 'activity-new' : 'activity-import';
1835 } elseif ($item['gravity'] == GRAVITY_COMMENT) {
1836 $cmd = $item['origin'] ? 'comment-new' : 'comment-import';
1841 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', $cmd, $current_post);
1844 return $current_post;
1848 * @brief Insert a new item delivery data entry
1850 * @param array $item The item fields that are to be inserted
1852 private static function insertDeliveryData($delivery_data)
1854 if (empty($delivery_data['iid']) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1858 DBA::insert('item-delivery-data', $delivery_data);
1862 * @brief Update an existing item delivery data entry
1864 * @param integer $id The item id that is to be updated
1865 * @param array $item The item fields that are to be inserted
1867 private static function updateDeliveryData($id, $delivery_data)
1869 if (empty($id) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1873 DBA::update('item-delivery-data', $delivery_data, ['iid' => $id], true);
1877 * @brief Insert a new item content entry
1879 * @param array $item The item fields that are to be inserted
1881 private static function insertActivity(&$item)
1883 $activity_index = self::activityToIndex($item['verb']);
1885 if ($activity_index < 0) {
1889 $fields = ['activity' => $activity_index, 'uri-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1891 // We just remove everything that is content
1892 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1893 unset($item[$field]);
1896 // To avoid timing problems, we are using locks.
1897 $locked = Lock::acquire('item_insert_activity');
1899 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1902 // Do we already have this content?
1903 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-id' => $item['uri-id']]);
1904 if (DBA::isResult($item_activity)) {
1905 $item['iaid'] = $item_activity['id'];
1906 Logger::log('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1907 } elseif (DBA::insert('item-activity', $fields)) {
1908 $item['iaid'] = DBA::lastInsertId();
1909 Logger::log('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1911 // This shouldn't happen.
1912 Logger::log('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1913 Lock::release('item_insert_activity');
1917 Lock::release('item_insert_activity');
1923 * @brief Insert a new item content entry
1925 * @param array $item The item fields that are to be inserted
1927 private static function insertContent(&$item)
1929 $fields = ['uri-plink-hash' => (string)$item['uri-id'], 'uri-id' => $item['uri-id']];
1931 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1932 if (isset($item[$field])) {
1933 $fields[$field] = $item[$field];
1934 unset($item[$field]);
1938 // To avoid timing problems, we are using locks.
1939 $locked = Lock::acquire('item_insert_content');
1941 Logger::log("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1944 // Do we already have this content?
1945 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-id' => $item['uri-id']]);
1946 if (DBA::isResult($item_content)) {
1947 $item['icid'] = $item_content['id'];
1948 Logger::log('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1949 } elseif (DBA::insert('item-content', $fields)) {
1950 $item['icid'] = DBA::lastInsertId();
1951 Logger::log('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1953 // This shouldn't happen.
1954 Logger::log('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
1957 Lock::release('item_insert_content');
1962 * @brief Update existing item content entries
1964 * @param array $item The item fields that are to be changed
1965 * @param array $condition The condition for finding the item content entries
1967 private static function updateActivity($item, $condition)
1969 if (empty($item['verb'])) {
1972 $activity_index = self::activityToIndex($item['verb']);
1974 if ($activity_index < 0) {
1978 $fields = ['activity' => $activity_index];
1980 Logger::log('Update activity for ' . json_encode($condition));
1982 DBA::update('item-activity', $fields, $condition, true);
1988 * @brief Update existing item content entries
1990 * @param array $item The item fields that are to be changed
1991 * @param array $condition The condition for finding the item content entries
1993 private static function updateContent($item, $condition)
1995 // We have to select only the fields from the "item-content" table
1997 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1998 if (isset($item[$field])) {
1999 $fields[$field] = $item[$field];
2003 if (empty($fields)) {
2004 // when there are no fields at all, just use the condition
2005 // This is to ensure that we always store content.
2006 $fields = $condition;
2009 Logger::log('Update content for ' . json_encode($condition));
2011 DBA::update('item-content', $fields, $condition, true);
2015 * @brief Distributes public items to the receivers
2017 * @param integer $itemid Item ID that should be added
2018 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2020 public static function distribute($itemid, $signed_text = '')
2022 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2023 $parent = self::selectFirst(['owner-id'], $condition);
2024 if (!DBA::isResult($parent)) {
2028 // Only distribute public items from native networks
2029 $condition = ['id' => $itemid, 'uid' => 0,
2030 'network' => [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""],
2031 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2032 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2033 if (!DBA::isResult($item)) {
2037 $origin = $item['origin'];
2040 unset($item['parent']);
2041 unset($item['mention']);
2042 unset($item['wall']);
2043 unset($item['origin']);
2044 unset($item['starred']);
2048 /// @todo add a field "pcid" in the contact table that referrs to the public contact id.
2049 $owner = DBA::selectFirst('contact', ['url', 'nurl', 'alias'], ['id' => $parent['owner-id']]);
2050 if (!DBA::isResult($owner)) {
2054 $condition = ['nurl' => $owner['nurl'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2055 $contacts = DBA::select('contact', ['uid'], $condition);
2056 while ($contact = DBA::fetch($contacts)) {
2057 if ($contact['uid'] == 0) {
2061 $users[$contact['uid']] = $contact['uid'];
2063 DBA::close($contacts);
2065 $condition = ['alias' => $owner['url'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2066 $contacts = DBA::select('contact', ['uid'], $condition);
2067 while ($contact = DBA::fetch($contacts)) {
2068 if ($contact['uid'] == 0) {
2072 $users[$contact['uid']] = $contact['uid'];
2074 DBA::close($contacts);
2076 if (!empty($owner['alias'])) {
2077 $condition = ['url' => $owner['alias'], 'rel' => [Contact::SHARING, Contact::FRIEND]];
2078 $contacts = DBA::select('contact', ['uid'], $condition);
2079 while ($contact = DBA::fetch($contacts)) {
2080 if ($contact['uid'] == 0) {
2084 $users[$contact['uid']] = $contact['uid'];
2086 DBA::close($contacts);
2091 if ($item['uri'] != $item['parent-uri']) {
2092 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2093 while ($parent = self::fetch($parents)) {
2094 $users[$parent['uid']] = $parent['uid'];
2095 if ($parent['origin'] && !$origin) {
2096 $origin_uid = $parent['uid'];
2101 foreach ($users as $uid) {
2102 if ($origin_uid == $uid) {
2103 $item['diaspora_signed_text'] = $signed_text;
2105 self::storeForUser($itemid, $item, $uid);
2110 * @brief Store public items for the receivers
2112 * @param integer $itemid Item ID that should be added
2113 * @param array $item The item entry that will be stored
2114 * @param integer $uid The user that will receive the item entry
2116 private static function storeForUser($itemid, $item, $uid)
2118 $item['uid'] = $uid;
2119 $item['origin'] = 0;
2121 if ($item['uri'] == $item['parent-uri']) {
2122 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2124 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2127 if (empty($item['contact-id'])) {
2128 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2129 if (!DBA::isResult($self)) {
2132 $item['contact-id'] = $self['id'];
2135 /// @todo Handling of "event-id"
2138 if ($item['uri'] == $item['parent-uri']) {
2139 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2140 if (DBA::isResult($contact)) {
2141 $notify = self::isRemoteSelf($contact, $item);
2145 $distributed = self::insert($item, false, $notify, true);
2147 if (!$distributed) {
2148 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", Logger::DEBUG);
2150 Logger::log("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, Logger::DEBUG);
2155 * @brief Add a shadow entry for a given item id that is a thread starter
2157 * We store every public item entry additionally with the user id "0".
2158 * This is used for the community page and for the search.
2159 * It is planned that in the future we will store public item entries only once.
2161 * @param integer $itemid Item ID that should be added
2163 public static function addShadow($itemid)
2165 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2166 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2167 $item = self::selectFirst($fields, $condition);
2169 if (!DBA::isResult($item)) {
2173 // is it already a copy?
2174 if (($itemid == 0) || ($item['uid'] == 0)) {
2178 // Is it a visible public post?
2179 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2183 // is it an entry from a connector? Only add an entry for natively connected networks
2184 if (!in_array($item["network"], [Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
2188 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2192 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2194 if (DBA::isResult($item)) {
2195 // Preparing public shadow (removing user specific data)
2198 unset($item['parent']);
2199 unset($item['wall']);
2200 unset($item['mention']);
2201 unset($item['origin']);
2202 unset($item['starred']);
2203 unset($item['postopts']);
2204 unset($item['inform']);
2205 if ($item['uri'] == $item['parent-uri']) {
2206 $item['contact-id'] = $item['owner-id'];
2208 $item['contact-id'] = $item['author-id'];
2211 $public_shadow = self::insert($item, false, false, true);
2213 Logger::log("Stored public shadow for thread ".$itemid." under id ".$public_shadow, Logger::DEBUG);
2218 * @brief Add a shadow entry for a given item id that is a comment
2220 * This function does the same like the function above - but for comments
2222 * @param integer $itemid Item ID that should be added
2224 public static function addShadowPost($itemid)
2226 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2227 if (!DBA::isResult($item)) {
2231 // Is it a toplevel post?
2232 if ($item['id'] == $item['parent']) {
2233 self::addShadow($itemid);
2237 // Is this a shadow entry?
2238 if ($item['uid'] == 0) {
2242 // Is there a shadow parent?
2243 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2247 // Is there already a shadow entry?
2248 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2252 // Save "origin" and "parent" state
2253 $origin = $item['origin'];
2254 $parent = $item['parent'];
2256 // Preparing public shadow (removing user specific data)
2259 unset($item['parent']);
2260 unset($item['wall']);
2261 unset($item['mention']);
2262 unset($item['origin']);
2263 unset($item['starred']);
2264 unset($item['postopts']);
2265 unset($item['inform']);
2266 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2268 $public_shadow = self::insert($item, false, false, true);
2270 Logger::log("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, Logger::DEBUG);
2272 // If this was a comment to a Diaspora post we don't get our comment back.
2273 // This means that we have to distribute the comment by ourselves.
2274 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2275 self::distribute($public_shadow);
2280 * Adds a language specification in a "language" element of given $arr.
2281 * Expects "body" element to exist in $arr.
2283 private static function addLanguageToItemArray(&$item)
2285 $naked_body = BBCode::toPlaintext($item['body'], false);
2287 $ld = new Text_LanguageDetect();
2288 $ld->setNameMode(2);
2289 $languages = $ld->detect($naked_body, 3);
2291 if (is_array($languages)) {
2292 $item['language'] = json_encode($languages);
2297 * @brief Creates an unique guid out of a given uri
2299 * @param string $uri uri of an item entry
2300 * @param string $host hostname for the GUID prefix
2301 * @return string unique guid
2303 public static function guidFromUri($uri, $host)
2305 // Our regular guid routine is using this kind of prefix as well
2306 // We have to avoid that different routines could accidentally create the same value
2307 $parsed = parse_url($uri);
2309 // We use a hash of the hostname as prefix for the guid
2310 $guid_prefix = hash("crc32", $host);
2312 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2313 unset($parsed["scheme"]);
2315 // Glue it together to be able to make a hash from it
2316 $host_id = implode("/", $parsed);
2318 // We could use any hash algorithm since it isn't a security issue
2319 $host_hash = hash("ripemd128", $host_id);
2321 return $guid_prefix.$host_hash;
2325 * generate an unique URI
2327 * @param integer $uid User id
2328 * @param string $guid An existing GUID (Otherwise it will be generated)
2332 public static function newURI($uid, $guid = "")
2335 $guid = System::createUUID();
2338 return self::getApp()->getBaseURL() . '/objects/' . $guid;
2342 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2344 * This can be used to filter for inactive contacts.
2345 * Only do this for public postings to avoid privacy problems, since poco data is public.
2346 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2348 * @param array $arr Contains the just posted item record
2350 private static function updateContact($arr)
2352 // Unarchive the author
2353 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2354 if (DBA::isResult($contact)) {
2355 Contact::unmarkForArchival($contact);
2358 // Unarchive the contact if it's not our own contact
2359 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2360 if (DBA::isResult($contact)) {
2361 Contact::unmarkForArchival($contact);
2364 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2366 // Is it a forum? Then we don't care about the rules from above
2367 if (!$update && ($arr["network"] == Protocol::DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2368 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2374 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2375 ['id' => $arr['contact-id']]);
2377 // Now do the same for the system wide contacts with uid=0
2378 if (!$arr['private']) {
2379 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2380 ['id' => $arr['owner-id']]);
2382 if ($arr['owner-id'] != $arr['author-id']) {
2383 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2384 ['id' => $arr['author-id']]);
2389 public static function setHashtags(&$item)
2392 $tags = get_tags($item["body"]);
2395 if (!count($tags)) {
2399 // This sorting is important when there are hashtags that are part of other hashtags
2400 // Otherwise there could be problems with hashtags like #test and #test2
2403 $URLSearchString = "^\[\]";
2405 // All hashtags should point to the home server if "local_tags" is activated
2406 if (Config::get('system', 'local_tags')) {
2407 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2408 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2410 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2411 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2414 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2415 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2417 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2420 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2422 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2425 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2427 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2430 // Repair recursive urls
2431 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2432 "#$2", $item["body"]);
2434 foreach ($tags as $tag) {
2435 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2439 $basetag = str_replace('_',' ',substr($tag,1));
2441 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2443 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2445 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2446 if (strlen($item["tag"])) {
2447 $item["tag"] = ','.$item["tag"];
2449 $item["tag"] = $newtag.$item["tag"];
2453 // Convert back the masked hashtags
2454 $item["body"] = str_replace("#", "#", $item["body"]);
2457 public static function getGuidById($id)
2459 $item = self::selectFirst(['guid'], ['id' => $id]);
2460 if (DBA::isResult($item)) {
2461 return $item['guid'];
2468 * This function is only used for the old Friendica app on Android that doesn't like paths with guid
2469 * @param string $guid item guid
2470 * @param int $uid user id
2471 * @return array with id and nick of the item with the given guid
2473 public static function getIdAndNickByGuid($guid, $uid = 0)
2479 $uid == local_user();
2482 // Does the given user have this item?
2484 $item = self::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
2485 if (DBA::isResult($item)) {
2486 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]);
2487 if (!DBA::isResult($user)) {
2491 $nick = $user['nickname'];
2495 // Or is it anywhere on the server?
2497 $condition = ["`guid` = ? AND `uid` != 0", $guid];
2498 $item = self::selectFirst(['id', 'uid'], $condition);
2499 if (DBA::isResult($item)) {
2500 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
2501 if (!DBA::isResult($user)) {
2505 $nick = $user['nickname'];
2508 return ["nick" => $nick, "id" => $id];
2512 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2514 * @param int $item_id
2515 * @return bool true if item was deleted, else false
2517 private static function tagDeliver($uid, $item_id)
2521 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2522 if (!DBA::isResult($user)) {
2526 $community_page = (($user['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
2527 $prvgroup = (($user['page-flags'] == Contact::PAGE_PRVGROUP) ? true : false);
2529 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2530 if (!DBA::isResult($item)) {
2534 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2537 * Diaspora uses their own hardwired link URL in @-tags
2538 * instead of the one we supply with webfinger
2540 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2542 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2544 foreach ($matches as $mtch) {
2545 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2547 Logger::log('mention found: ' . $mtch[2]);
2553 if (($community_page || $prvgroup) &&
2554 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2555 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2557 Logger::log("no-mention top-level post to community or private group. delete.");
2558 DBA::delete('item', ['id' => $item_id]);
2564 $arr = ['item' => $item, 'user' => $user];
2566 Addon::callHooks('tagged', $arr);
2568 if (!$community_page && !$prvgroup) {
2573 * tgroup delivery - setup a second delivery chain
2574 * prevent delivery looping - only proceed
2575 * if the message originated elsewhere and is a top-level post
2577 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2581 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2582 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2583 if (!DBA::isResult($self)) {
2587 $owner_id = Contact::getIdForURL($self['url']);
2589 // also reset all the privacy bits to the forum default permissions
2591 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2593 $psid = PermissionSet::fetchIDForPost($user);
2595 $forum_mode = ($prvgroup ? 2 : 1);
2597 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2598 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2599 self::update($fields, ['id' => $item_id]);
2601 self::updateThread($item_id);
2603 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2606 public static function isRemoteSelf($contact, &$datarray)
2610 if (!$contact['remote_self']) {
2614 // Prevent the forwarding of posts that are forwarded
2615 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2616 Logger::log('Already forwarded', Logger::DEBUG);
2620 // Prevent to forward already forwarded posts
2621 if ($datarray["app"] == $a->getHostName()) {
2622 Logger::log('Already forwarded (second test)', Logger::DEBUG);
2626 // Only forward posts
2627 if ($datarray["verb"] != ACTIVITY_POST) {
2628 Logger::log('No post', Logger::DEBUG);
2632 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2633 Logger::log('Not public', Logger::DEBUG);
2637 $datarray2 = $datarray;
2638 Logger::log('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), Logger::DEBUG);
2639 if ($contact['remote_self'] == 2) {
2640 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2641 ['uid' => $contact['uid'], 'self' => true]);
2642 if (DBA::isResult($self)) {
2643 $datarray['contact-id'] = $self["id"];
2645 $datarray['owner-name'] = $self["name"];
2646 $datarray['owner-link'] = $self["url"];
2647 $datarray['owner-avatar'] = $self["thumb"];
2649 $datarray['author-name'] = $datarray['owner-name'];
2650 $datarray['author-link'] = $datarray['owner-link'];
2651 $datarray['author-avatar'] = $datarray['owner-avatar'];
2653 unset($datarray['created']);
2654 unset($datarray['edited']);
2656 unset($datarray['network']);
2657 unset($datarray['owner-id']);
2658 unset($datarray['author-id']);
2661 if ($contact['network'] != Protocol::FEED) {
2662 $datarray["guid"] = System::createUUID();
2663 unset($datarray["plink"]);
2664 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2665 $datarray["parent-uri"] = $datarray["uri"];
2666 $datarray["thr-parent"] = $datarray["uri"];
2667 $datarray["extid"] = Protocol::DFRN;
2668 $urlpart = parse_url($datarray2['author-link']);
2669 $datarray["app"] = $urlpart["host"];
2671 $datarray['private'] = 0;
2675 if ($contact['network'] != Protocol::FEED) {
2676 // Store the original post
2677 $result = self::insert($datarray2, false, false);
2678 Logger::log('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), Logger::DEBUG);
2680 $datarray["app"] = "Feed";
2684 // Trigger automatic reactions for addons
2685 $datarray['api_source'] = true;
2687 // We have to tell the hooks who we are - this really should be improved
2688 $_SESSION["authenticated"] = true;
2689 $_SESSION["uid"] = $contact['uid'];
2698 * @param array $item
2702 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2704 if (Config::get('system', 'disable_embedded')) {
2708 Logger::log('check for photos', Logger::DEBUG);
2709 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2714 $img_start = strpos($orig_body, '[img');
2715 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2716 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2718 while (($img_st_close !== false) && ($img_len !== false)) {
2719 $img_st_close++; // make it point to AFTER the closing bracket
2720 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2722 Logger::log('found photo ' . $image, Logger::DEBUG);
2724 if (stristr($image, $site . '/photo/')) {
2725 // Only embed locally hosted photos
2727 $i = basename($image);
2728 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2729 $x = strpos($i, '-');
2732 $res = substr($i, $x + 1);
2733 $i = substr($i, 0, $x);
2734 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2735 $photo = DBA::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2736 if (DBA::isResult($photo)) {
2738 * Check to see if we should replace this photo link with an embedded image
2739 * 1. No need to do so if the photo is public
2740 * 2. If there's a contact-id provided, see if they're in the access list
2741 * for the photo. If so, embed it.
2742 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2743 * permissions, regardless of order but first check to see if they're an exact
2744 * match to save some processing overhead.
2746 if (self::hasPermissions($photo)) {
2748 $recips = self::enumeratePermissions($photo);
2749 if (in_array($cid, $recips)) {
2753 if (self::samePermissions($item, $photo)) {
2759 $data = $photo['data'];
2760 $type = $photo['type'];
2762 // If a custom width and height were specified, apply before embedding
2763 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2764 Logger::log('scaling photo', Logger::DEBUG);
2766 $width = intval($match[1]);
2767 $height = intval($match[2]);
2769 $Image = new Image($data, $type);
2770 if ($Image->isValid()) {
2771 $Image->scaleDown(max($width, $height));
2772 $data = $Image->asString();
2773 $type = $Image->getType();
2777 Logger::log('replacing photo', Logger::DEBUG);
2778 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2779 Logger::log('replaced: ' . $image, Logger::DATA);
2785 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2786 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2787 if ($orig_body === false) {
2791 $img_start = strpos($orig_body, '[img');
2792 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2793 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2796 $new_body = $new_body . $orig_body;
2801 private static function hasPermissions($obj)
2803 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2804 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2807 private static function samePermissions($obj1, $obj2)
2809 // first part is easy. Check that these are exactly the same.
2810 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2811 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2812 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2813 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2817 // This is harder. Parse all the permissions and compare the resulting set.
2818 $recipients1 = self::enumeratePermissions($obj1);
2819 $recipients2 = self::enumeratePermissions($obj2);
2823 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2824 return ($recipients1 == $recipients2);
2827 // returns an array of contact-ids that are allowed to see this object
2828 public static function enumeratePermissions($obj)
2830 $allow_people = expand_acl($obj['allow_cid']);
2831 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2832 $deny_people = expand_acl($obj['deny_cid']);
2833 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2834 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2835 $deny = array_unique(array_merge($deny_people, $deny_groups));
2836 $recipients = array_diff($recipients, $deny);
2840 public static function getFeedTags($item)
2844 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2846 for ($x = 0; $x < $cnt; $x ++) {
2847 if ($matches[1][$x]) {
2848 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2853 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2855 for ($x = 0; $x < $cnt; $x ++) {
2856 if ($matches[1][$x]) {
2857 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2864 public static function expire($uid, $days, $network = "", $force = false)
2866 if (!$uid || ($days < 1)) {
2870 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2871 $uid, GRAVITY_PARENT];
2874 * $expire_network_only = save your own wall posts
2875 * and just expire conversations started by others
2877 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2879 if ($expire_network_only) {
2880 $condition[0] .= " AND NOT `wall`";
2883 if ($network != "") {
2884 $condition[0] .= " AND `network` = ?";
2885 $condition[] = $network;
2888 * There is an index "uid_network_received" but not "uid_network_created"
2889 * This avoids the creation of another index just for one purpose.
2890 * And it doesn't really matter wether to look at "received" or "created"
2892 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2893 $condition[] = $days;
2895 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2896 $condition[] = $days;
2899 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2901 if (!DBA::isResult($items)) {
2905 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2907 // Forcing expiring of items - but not notes and marked items
2909 $expire_items = true;
2912 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2913 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2914 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2918 while ($item = Item::fetch($items)) {
2919 // don't expire filed items
2921 if (strpos($item['file'], '[') !== false) {
2925 // Only expire posts, not photos and photo comments
2927 if (!$expire_photos && strlen($item['resource-id'])) {
2929 } elseif (!$expire_starred && intval($item['starred'])) {
2931 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2933 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2937 self::deleteById($item['id'], PRIORITY_LOW);
2942 Logger::log('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2945 public static function firstPostDate($uid, $wall = false)
2947 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2948 $params = ['order' => ['created' => false]];
2949 $thread = DBA::selectFirst('thread', ['created'], $condition, $params);
2950 if (DBA::isResult($thread)) {
2951 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2957 * @brief add/remove activity to an item
2959 * Toggle activities as like,dislike,attend of an item
2961 * @param string $item_id
2962 * @param string $verb
2963 * Activity verb. One of
2964 * like, unlike, dislike, undislike, attendyes, unattendyes,
2965 * attendno, unattendno, attendmaybe, unattendmaybe
2966 * @hook 'post_local_end'
2968 * 'post_id' => ID of posted item
2970 public static function performLike($item_id, $verb)
2972 if (!local_user() && !remote_user()) {
2979 $activity = ACTIVITY_LIKE;
2983 $activity = ACTIVITY_DISLIKE;
2987 $activity = ACTIVITY_ATTEND;
2991 $activity = ACTIVITY_ATTENDNO;
2994 case 'unattendmaybe':
2995 $activity = ACTIVITY_ATTENDMAYBE;
2998 Logger::log('like: unknown verb ' . $verb . ' for item ' . $item_id);
3002 // Enable activity toggling instead of on/off
3003 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
3005 Logger::log('like: verb ' . $verb . ' item ' . $item_id);
3007 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3008 if (!DBA::isResult($item)) {
3009 Logger::log('like: unknown item ' . $item_id);
3013 $item_uri = $item['uri'];
3015 $uid = $item['uid'];
3016 if (($uid == 0) && local_user()) {
3017 $uid = local_user();
3020 if (!Security::canWriteToUserWall($uid)) {
3021 Logger::log('like: unable to write on wall ' . $uid);
3025 // Retrieves the local post owner
3026 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3027 if (!DBA::isResult($owner_self_contact)) {
3028 Logger::log('like: unknown owner ' . $uid);
3032 // Retrieve the current logged in user's public contact
3033 $author_id = public_contact();
3035 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3036 if (!DBA::isResult($author_contact)) {
3037 Logger::log('like: unknown author ' . $author_id);
3041 // Contact-id is the uid-dependant author contact
3042 if (local_user() == $uid) {
3043 $item_contact_id = $owner_self_contact['id'];
3044 $item_contact = $owner_self_contact;
3046 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3047 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3048 if (!DBA::isResult($item_contact)) {
3049 Logger::log('like: unknown item contact ' . $item_contact_id);
3054 // Look for an existing verb row
3055 // event participation are essentially radio toggles. If you make a subsequent choice,
3056 // we need to eradicate your first choice.
3057 if ($event_verb_flag) {
3058 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3060 // Translate to the index based activity index
3062 foreach ($verbs as $verb) {
3063 $activities[] = self::activityToIndex($verb);
3066 $activities = self::activityToIndex($activity);
3069 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3070 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3072 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3074 // If it exists, mark it as deleted
3075 if (DBA::isResult($like_item)) {
3076 self::deleteById($like_item['id']);
3078 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3083 // Verb is "un-something", just trying to delete existing entries
3084 if (strpos($verb, 'un') === 0) {
3088 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE;
3091 'guid' => System::createUUID(),
3092 'uri' => self::newURI($item['uid']),
3093 'uid' => $item['uid'],
3094 'contact-id' => $item_contact_id,
3095 'wall' => $item['wall'],
3097 'network' => Protocol::DFRN,
3098 'gravity' => GRAVITY_ACTIVITY,
3099 'parent' => $item['id'],
3100 'parent-uri' => $item['uri'],
3101 'thr-parent' => $item['uri'],
3102 'owner-id' => $author_id,
3103 'author-id' => $author_id,
3104 'body' => $activity,
3105 'verb' => $activity,
3106 'object-type' => $objtype,
3107 'allow_cid' => $item['allow_cid'],
3108 'allow_gid' => $item['allow_gid'],
3109 'deny_cid' => $item['deny_cid'],
3110 'deny_gid' => $item['deny_gid'],
3115 $signed = Diaspora::createLikeSignature($uid, $new_item);
3116 if (!empty($signed)) {
3117 $new_item['diaspora_signed_text'] = json_encode($signed);
3120 $new_item_id = self::insert($new_item);
3122 // If the parent item isn't visible then set it to visible
3123 if (!$item['visible']) {
3124 self::update(['visible' => true], ['id' => $item['id']]);
3127 $new_item['id'] = $new_item_id;
3129 Addon::callHooks('post_local_end', $new_item);
3134 private static function addThread($itemid, $onlyshadow = false)
3136 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3137 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3138 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3139 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3140 $item = self::selectFirst($fields, $condition);
3142 if (!DBA::isResult($item)) {
3146 $item['iid'] = $itemid;
3149 $result = DBA::insert('thread', $item);
3151 Logger::log("Add thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3155 private static function updateThread($itemid, $setmention = false)
3157 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3158 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3159 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3160 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3162 $item = self::selectFirst($fields, $condition);
3163 if (!DBA::isResult($item)) {
3168 $item["mention"] = 1;
3175 foreach ($item as $field => $data) {
3176 if (!in_array($field, ["guid"])) {
3177 $fields[$field] = $data;
3181 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3183 Logger::log("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, Logger::DEBUG);
3186 private static function deleteThread($itemid, $itemuri = "")
3188 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3189 if (!DBA::isResult($item)) {
3190 Logger::log('No thread found for id '.$itemid, Logger::DEBUG);
3194 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3196 Logger::log("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), Logger::DEBUG);
3198 if ($itemuri != "") {
3199 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3200 if (!self::exists($condition)) {
3201 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3202 Logger::log("deleteThread: Deleted shadow for item ".$itemuri, Logger::DEBUG);
3207 public static function getPermissionsSQLByUserId($owner_id, $remote_verified = false, $groups = null)
3209 $local_user = local_user();
3210 $remote_user = remote_user();
3213 * Construct permissions
3215 * default permissions - anonymous user
3217 $sql = " AND NOT `item`.`private`";
3219 // Profile owner - everything is visible
3220 if ($local_user && ($local_user == $owner_id)) {
3222 } elseif ($remote_user) {
3224 * Authenticated visitor. Unless pre-verified,
3225 * check that the contact belongs to this $owner_id
3226 * and load the groups the visitor belongs to.
3227 * If pre-verified, the caller is expected to have already
3228 * done this and passed the groups into this function.
3230 $set = PermissionSet::get($owner_id, $remote_user, $groups);
3233 $sql_set = " OR (`item`.`private` IN (1,2) AND `item`.`wall` AND `item`.`psid` IN (" . implode(',', $set) . "))";
3238 $sql = " AND (NOT `item`.`private`" . $sql_set . ")";