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\PConfig;
15 use Friendica\Core\Protocol;
16 use Friendica\Core\System;
17 use Friendica\Core\Worker;
18 use Friendica\Database\DBA;
19 use Friendica\Model\Contact;
20 use Friendica\Model\PermissionSet;
21 use Friendica\Model\ItemURI;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\XML;
27 use Text_LanguageDetect;
29 require_once 'boot.php';
30 require_once 'include/items.php';
31 require_once 'include/text.php';
33 class Item extends BaseObject
35 // Posting types, inspired by https://www.w3.org/TR/activitystreams-vocabulary/#object-types
42 const PT_DOCUMENT = 19;
44 const PT_PERSONAL_NOTE = 128;
46 // Field list that is used to display the items
47 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
48 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
49 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
50 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
51 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
52 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
53 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
54 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
55 'writable', 'self', 'cid', 'alias',
56 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
57 'event-summary', 'event-desc', 'event-location', 'event-type',
58 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
60 // Field list that is used to deliver items via the protocols
61 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
62 'created', 'edited', 'verb', 'object-type', 'object', 'target',
63 'private', 'title', 'body', 'location', 'coord', 'app',
64 'attach', 'tag', 'deleted', 'extid', 'post-type',
65 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
66 'author-id', 'author-link', 'owner-link', 'contact-uid',
67 'signed_text', 'signature', 'signer', 'network'];
69 // Field list for "item-content" table that is mixed with the item table
70 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
71 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
72 'object-type', 'object', 'target-type', 'target', 'plink'];
74 // Field list for "item-content" table that is not present in the "item" table
75 const CONTENT_FIELDLIST = ['language'];
77 // Field list for additional delivery data
78 const DELIVERY_DATA_FIELDLIST = ['postopts', 'inform'];
80 // All fields in the item table
81 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
82 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid', 'psid',
83 'uri-hash', 'created', 'edited', 'commented', 'received', 'changed', 'verb',
84 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
85 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'post-type',
86 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
87 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
88 'title', 'content-warning', 'body', 'location', 'coord', 'app',
89 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
90 'author-id', 'author-link', 'author-name', 'author-avatar',
91 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
93 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
94 // The item-activity table only stores the index and needs this array to know the matching activity.
95 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
97 private static $legacy_mode = null;
99 public static function isLegacyMode()
101 if (is_null(self::$legacy_mode)) {
102 self::$legacy_mode = (Config::get("system", "post_update_version") < 1279);
105 return self::$legacy_mode;
109 * @brief returns an activity index from an activity string
111 * @param string $activity activity string
112 * @return integer Activity index
114 public static function activityToIndex($activity)
116 $index = array_search($activity, self::ACTIVITIES);
118 if (is_bool($index)) {
126 * @brief returns an activity string from an activity index
128 * @param integer $index activity index
129 * @return string Activity string
131 private static function indexToActivity($index)
133 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
137 return self::ACTIVITIES[$index];
141 * @brief Fetch a single item row
143 * @param mixed $stmt statement object
144 * @return array current row
146 public static function fetch($stmt)
148 $row = DBA::fetch($stmt);
154 // ---------------------- Transform item structure data ----------------------
156 // We prefer the data from the user's contact over the public one
157 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
158 ($row['author-link'] == $row['contact-link'])) {
159 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
160 $row['author-avatar'] = $row['contact-avatar'];
162 if (isset($row['author-name']) && !empty($row['contact-name'])) {
163 $row['author-name'] = $row['contact-name'];
167 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
168 ($row['owner-link'] == $row['contact-link'])) {
169 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
170 $row['owner-avatar'] = $row['contact-avatar'];
172 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
173 $row['owner-name'] = $row['contact-name'];
177 // We can always comment on posts from these networks
178 if (array_key_exists('writable', $row) &&
179 in_array($row['internal-network'], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
180 $row['writable'] = true;
183 // ---------------------- Transform item content data ----------------------
185 // Fetch data from the item-content table whenever there is content there
186 if (self::isLegacyMode()) {
187 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
188 foreach ($legacy_fields as $field) {
189 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
190 $row[$field] = $row['internal-item-' . $field];
192 unset($row['internal-item-' . $field]);
196 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
197 $row['verb'] = self::indexToActivity($row['internal-activity']);
198 if (array_key_exists('title', $row)) {
201 if (array_key_exists('body', $row)) {
202 $row['body'] = $row['verb'];
204 if (array_key_exists('object', $row)) {
207 if (array_key_exists('object-type', $row)) {
208 $row['object-type'] = ACTIVITY_OBJ_NOTE;
210 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
211 // Posts don't have an object or target - but having tags or files.
212 // We safe some performance by building tag and file strings only here.
213 // We remove object and target since they aren't used for this type.
214 if (array_key_exists('object', $row)) {
217 if (array_key_exists('target', $row)) {
222 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
223 // Build the tag string out of the term entries
224 if (array_key_exists('tag', $row) && empty($row['tag'])) {
225 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
228 // Build the file string out of the term entries
229 if (array_key_exists('file', $row) && empty($row['file'])) {
230 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
234 if (array_key_exists('ignored', $row) && array_key_exists('internal-user-ignored', $row) && !is_null($row['internal-user-ignored'])) {
235 $row['ignored'] = $row['internal-user-ignored'];
238 // Remove internal fields
239 unset($row['internal-activity']);
240 unset($row['internal-network']);
241 unset($row['internal-iid']);
242 unset($row['internal-iaid']);
243 unset($row['internal-icid']);
244 unset($row['internal-user-ignored']);
250 * @brief Fills an array with data from an item query
252 * @param object $stmt statement object
253 * @return array Data array
255 public static function inArray($stmt, $do_close = true) {
256 if (is_bool($stmt)) {
261 while ($row = self::fetch($stmt)) {
271 * @brief Check if item data exists
273 * @param array $condition array of fields for condition
275 * @return boolean Are there rows for that condition?
277 public static function exists($condition) {
278 $stmt = self::select(['id'], $condition, ['limit' => 1]);
280 if (is_bool($stmt)) {
283 $retval = (DBA::numRows($stmt) > 0);
292 * Retrieve a single record from the item table for a given user and returns it in an associative array
294 * @brief Retrieve a single record from a table
295 * @param integer $uid User ID
296 * @param array $fields
297 * @param array $condition
298 * @param array $params
302 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
304 $params['uid'] = $uid;
306 if (empty($selected)) {
307 $selected = Item::DISPLAY_FIELDLIST;
310 return self::selectFirst($selected, $condition, $params);
314 * @brief Select rows from the item table for a given user
316 * @param integer $uid User ID
317 * @param array $selected Array of selected fields, empty for all
318 * @param array $condition Array of fields for condition
319 * @param array $params Array of several parameters
321 * @return boolean|object
323 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
325 $params['uid'] = $uid;
327 if (empty($selected)) {
328 $selected = Item::DISPLAY_FIELDLIST;
331 return self::select($selected, $condition, $params);
335 * Retrieve a single record from the item table and returns it in an associative array
337 * @brief Retrieve a single record from a table
338 * @param array $fields
339 * @param array $condition
340 * @param array $params
344 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
346 $params['limit'] = 1;
348 $result = self::select($fields, $condition, $params);
350 if (is_bool($result)) {
353 $row = self::fetch($result);
360 * @brief Select rows from the item table
362 * @param array $selected Array of selected fields, empty for all
363 * @param array $condition Array of fields for condition
364 * @param array $params Array of several parameters
366 * @return boolean|object
368 public static function select(array $selected = [], array $condition = [], $params = [])
373 if (isset($params['uid'])) {
374 $uid = $params['uid'];
378 $fields = self::fieldlist($selected, $usermode);
380 $select_fields = self::constructSelectFields($fields, $selected);
382 $condition_string = DBA::buildCondition($condition);
384 $condition_string = self::addTablesToFields($condition_string, $fields);
387 $condition_string = $condition_string . ' AND ' . self::condition(false);
390 $param_string = self::addTablesToFields(DBA::buildParameter($params), $fields);
392 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
394 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
396 return DBA::p($sql, $condition);
400 * @brief Select rows from the starting post in the item table
402 * @param integer $uid User ID
403 * @param array $fields Array of selected fields, empty for all
404 * @param array $condition Array of fields for condition
405 * @param array $params Array of several parameters
407 * @return boolean|object
409 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
411 $params['uid'] = $uid;
413 if (empty($selected)) {
414 $selected = Item::DISPLAY_FIELDLIST;
417 return self::selectThread($selected, $condition, $params);
421 * Retrieve a single record from the starting post in the item table and returns it in an associative array
423 * @brief Retrieve a single record from a table
424 * @param integer $uid User ID
425 * @param array $selected
426 * @param array $condition
427 * @param array $params
431 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
433 $params['uid'] = $uid;
435 if (empty($selected)) {
436 $selected = Item::DISPLAY_FIELDLIST;
439 return self::selectFirstThread($selected, $condition, $params);
443 * Retrieve a single record from the starting post in the item table and returns it in an associative array
445 * @brief Retrieve a single record from a table
446 * @param array $fields
447 * @param array $condition
448 * @param array $params
452 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
454 $params['limit'] = 1;
455 $result = self::selectThread($fields, $condition, $params);
457 if (is_bool($result)) {
460 $row = self::fetch($result);
467 * @brief Select rows from the starting post in the item table
469 * @param array $selected Array of selected fields, empty for all
470 * @param array $condition Array of fields for condition
471 * @param array $params Array of several parameters
473 * @return boolean|object
475 public static function selectThread(array $selected = [], array $condition = [], $params = [])
480 if (isset($params['uid'])) {
481 $uid = $params['uid'];
485 $fields = self::fieldlist($selected, $usermode);
487 $fields['thread'] = ['mention', 'ignored', 'iid'];
489 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
490 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
491 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'post-type',
492 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
494 $select_fields = self::constructSelectFields($fields, $selected);
496 $condition_string = DBA::buildCondition($condition);
498 $condition_string = self::addTablesToFields($condition_string, $threadfields);
499 $condition_string = self::addTablesToFields($condition_string, $fields);
502 $condition_string = $condition_string . ' AND ' . self::condition(true);
505 $param_string = DBA::buildParameter($params);
506 $param_string = self::addTablesToFields($param_string, $threadfields);
507 $param_string = self::addTablesToFields($param_string, $fields);
509 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
511 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
513 return DBA::p($sql, $condition);
517 * @brief Returns a list of fields that are associated with the item table
519 * @return array field list
521 private static function fieldlist($selected, $usermode)
525 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
526 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
527 'created', 'edited', 'commented', 'received', 'changed', 'psid', 'uri-hash',
528 'resource-id', 'event-id', 'tag', 'attach', 'post-type', 'file',
529 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
530 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
531 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
532 'network' => 'internal-network', 'icid' => 'internal-icid',
533 'iaid' => 'internal-iaid'];
536 $fields['user-item'] = ['ignored' => 'internal-user-ignored'];
539 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
541 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
543 $fields['item-delivery-data'] = self::DELIVERY_DATA_FIELDLIST;
545 $fields['permissionset'] = ['allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
547 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
548 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
550 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
551 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
553 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
554 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
555 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
557 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
559 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
561 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
562 'start' => 'event-start','finish' => 'event-finish',
563 'summary' => 'event-summary','desc' => 'event-desc',
564 'location' => 'event-location', 'type' => 'event-type',
565 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
566 'ignore' => 'event-ignore', 'id' => 'event-id'];
568 $fields['sign'] = ['signed_text', 'signature', 'signer'];
574 * @brief Returns SQL condition for the "select" functions
576 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
578 * @return string SQL condition
580 private static function condition($thread_mode)
583 $master_table = "`thread`";
585 $master_table = "`item`";
587 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
591 * @brief Returns all needed "JOIN" commands for the "select" functions
593 * @param integer $uid User ID
594 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
595 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
597 * @return string The SQL joins for the "select" functions
599 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
602 $master_table = "`thread`";
603 $master_table_key = "`thread`.`iid`";
604 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
606 $master_table = "`item`";
607 $master_table_key = "`item`.`id`";
612 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
613 AND NOT `contact`.`blocked`
614 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
615 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
616 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
617 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
618 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
619 Contact::SHARING, Contact::FRIEND, GRAVITY_PARENT, intval($uid));
621 if (strpos($sql_commands, "`contact`.") !== false) {
622 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
624 if (strpos($sql_commands, "`author`.") !== false) {
625 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
627 if (strpos($sql_commands, "`owner`.") !== false) {
628 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
632 if (strpos($sql_commands, "`group_member`.") !== false) {
633 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
636 if (strpos($sql_commands, "`user`.") !== false) {
637 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
640 if (strpos($sql_commands, "`event`.") !== false) {
641 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
644 if (strpos($sql_commands, "`sign`.") !== false) {
645 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
648 if (strpos($sql_commands, "`item-activity`.") !== false) {
649 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
652 if (strpos($sql_commands, "`item-content`.") !== false) {
653 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
656 if (strpos($sql_commands, "`item-delivery-data`.") !== false) {
657 $joins .= " LEFT JOIN `item-delivery-data` ON `item-delivery-data`.`iid` = `item`.`id`";
660 if (strpos($sql_commands, "`permissionset`.") !== false) {
661 $joins .= " LEFT JOIN `permissionset` ON `permissionset`.`id` = `item`.`psid`";
664 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
665 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
668 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
669 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
676 * @brief Add the field list for the "select" functions
678 * @param array $fields The field definition array
679 * @param array $selected The array with the selected fields from the "select" functions
681 * @return string The field list
683 private static function constructSelectFields($fields, $selected)
685 if (!empty($selected)) {
686 $selected[] = 'internal-iid';
687 $selected[] = 'internal-iaid';
688 $selected[] = 'internal-icid';
689 $selected[] = 'internal-network';
692 if (in_array('verb', $selected)) {
693 $selected[] = 'internal-activity';
696 if (in_array('ignored', $selected)) {
697 $selected[] = 'internal-user-ignored';
701 foreach ($fields as $table => $table_fields) {
702 foreach ($table_fields as $field => $select) {
703 if (empty($selected) || in_array($select, $selected)) {
704 $legacy_fields = array_merge(self::DELIVERY_DATA_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
705 if (self::isLegacyMode() && in_array($select, $legacy_fields)) {
706 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
708 if (is_int($field)) {
709 $selection[] = "`" . $table . "`.`" . $select . "`";
711 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
716 return implode(", ", $selection);
720 * @brief add table definition to fields in an SQL query
722 * @param string $query SQL query
723 * @param array $fields The field definition array
725 * @return string the changed SQL query
727 private static function addTablesToFields($query, $fields)
729 foreach ($fields as $table => $table_fields) {
730 foreach ($table_fields as $alias => $field) {
731 if (is_int($alias)) {
732 $replace_field = $field;
734 $replace_field = $alias;
737 $search = "/([^\.])`" . $field . "`/i";
738 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
739 $query = preg_replace($search, $replace, $query);
746 * @brief Generate a server unique item hash for linking between the item tables
748 * @param string $uri Item URI
749 * @param date $created Item creation date
751 * @return string the item hash
753 private static function itemHash($uri, $created)
755 return round(strtotime($created) / 100) . hash('ripemd128', $uri);
759 * @brief Update existing item entries
761 * @param array $fields The fields that are to be changed
762 * @param array $condition The condition for finding the item entries
764 * In the future we may have to change permissions as well.
765 * Then we had to add the user id as third parameter.
767 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
769 * @return integer|boolean number of affected rows - or "false" if there was an error
771 public static function update(array $fields, array $condition)
773 if (empty($condition) || empty($fields)) {
777 // To ensure the data integrity we do it in an transaction
780 // We cannot simply expand the condition to check for origin entries
781 // The condition needn't to be a simple array but could be a complex condition.
782 // And we have to execute this query before the update to ensure to fetch the same data.
783 $items = DBA::select('item', ['id', 'origin', 'uri', 'created', 'uri-hash', 'iaid', 'icid', 'tag', 'file'], $condition);
785 $content_fields = [];
786 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
787 if (isset($fields[$field])) {
788 $content_fields[$field] = $fields[$field];
789 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
790 unset($fields[$field]);
792 $fields[$field] = null;
797 $clear_fields = ['bookmark', 'type', 'author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
798 foreach ($clear_fields as $field) {
799 if (array_key_exists($field, $fields)) {
800 $fields[$field] = null;
804 if (array_key_exists('tag', $fields)) {
805 $tags = $fields['tag'];
806 $fields['tag'] = null;
811 if (array_key_exists('file', $fields)) {
812 $files = $fields['file'];
813 $fields['file'] = null;
818 $delivery_data = ['postopts' => defaults($fields, 'postopts', ''),
819 'inform' => defaults($fields, 'inform', '')];
821 $fields['postopts'] = null;
822 $fields['inform'] = null;
824 if (!empty($fields)) {
825 $success = DBA::update('item', $fields, $condition);
834 // When there is no content for the "old" item table, this will count the fetched items
835 $rows = DBA::affectedRows();
837 while ($item = DBA::fetch($items)) {
839 // This part here can safely be removed when the legacy fields in the item had been removed
840 if (empty($item['uri-hash']) && !empty($item['uri']) && !empty($item['created'])) {
842 // Fetch the uri-hash from an existing item entry if there is one
843 $item_condition = ["`uri` = ? AND `uri-hash` != ''", $item['uri']];
844 $existing = DBA::selectfirst('item', ['uri-hash'], $item_condition);
845 if (DBA::isResult($existing)) {
846 $item['uri-hash'] = $existing['uri-hash'];
848 $item['uri-hash'] = self::itemHash($item['uri'], $item['created']);
851 DBA::update('item', ['uri-hash' => $item['uri-hash']], ['id' => $item['id']]);
852 DBA::update('item-activity', ['uri-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-hash` = ''", $item['uri']]);
853 DBA::update('item-content', ['uri-plink-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-plink-hash` = ''", $item['uri']]);
856 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
857 if (!empty($item['iaid'])) {
858 $update_condition = ['id' => $item['iaid']];
860 $update_condition = ['uri-hash' => $item['uri-hash']];
862 self::updateActivity($content_fields, $update_condition);
864 if (empty($item['iaid'])) {
865 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]);
866 if (DBA::isResult($item_activity)) {
867 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
868 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
869 if (self::isLegacyMode()) {
870 $item_fields[$field] = null;
872 unset($item_fields[$field]);
875 DBA::update('item', $item_fields, ['id' => $item['id']]);
877 if (!empty($item['icid']) && !DBA::exists('item', ['icid' => $item['icid']])) {
878 DBA::delete('item-content', ['id' => $item['icid']]);
881 } elseif (!empty($item['icid'])) {
882 DBA::update('item', ['icid' => null], ['id' => $item['id']]);
884 if (!DBA::exists('item', ['icid' => $item['icid']])) {
885 DBA::delete('item-content', ['id' => $item['icid']]);
889 if (!empty($item['icid'])) {
890 $update_condition = ['id' => $item['icid']];
892 $update_condition = ['uri-plink-hash' => $item['uri-hash']];
894 self::updateContent($content_fields, $update_condition);
896 if (empty($item['icid'])) {
897 $item_content = DBA::selectFirst('item-content', [], ['uri-plink-hash' => $item['uri-hash']]);
898 if (DBA::isResult($item_content)) {
899 $item_fields = ['icid' => $item_content['id']];
900 // Clear all fields in the item table that have a content in the item-content table
901 foreach ($item_content as $field => $content) {
902 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
903 if (self::isLegacyMode()) {
904 $item_fields[$field] = null;
906 unset($item_fields[$field]);
910 DBA::update('item', $item_fields, ['id' => $item['id']]);
916 Term::insertFromTagFieldByItemId($item['id'], $tags);
917 if (!empty($item['tag'])) {
918 DBA::update('item', ['tag' => ''], ['id' => $item['id']]);
922 if (!empty($files)) {
923 Term::insertFromFileFieldByItemId($item['id'], $files);
924 if (!empty($item['file'])) {
925 DBA::update('item', ['file' => ''], ['id' => $item['id']]);
929 self::updateDeliveryData($item['id'], $delivery_data);
931 self::updateThread($item['id']);
933 // We only need to notfiy others when it is an original entry from us.
934 // Only call the notifier when the item has some content relevant change.
935 if ($item['origin'] && in_array('edited', array_keys($fields))) {
936 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
946 * @brief Delete an item and notify others about it - if it was ours
948 * @param array $condition The condition for finding the item entries
949 * @param integer $priority Priority for the notification
951 public static function delete($condition, $priority = PRIORITY_HIGH)
953 $items = self::select(['id'], $condition);
954 while ($item = self::fetch($items)) {
955 self::deleteById($item['id'], $priority);
961 * @brief Delete an item for an user and notify others about it - if it was ours
963 * @param array $condition The condition for finding the item entries
964 * @param integer $uid User who wants to delete this item
966 public static function deleteForUser($condition, $uid)
972 $items = self::select(['id', 'uid'], $condition);
973 while ($item = self::fetch($items)) {
974 // "Deleting" global items just means hiding them
975 if ($item['uid'] == 0) {
976 DBA::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
977 } elseif ($item['uid'] == $uid) {
978 self::deleteById($item['id'], PRIORITY_HIGH);
980 logger('Wrong ownership. Not deleting item ' . $item['id']);
987 * @brief Delete an item and notify others about it - if it was ours
989 * @param integer $item_id Item ID that should be delete
990 * @param integer $priority Priority for the notification
992 * @return boolean success
994 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
996 // locate item to be deleted
997 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
998 'deleted', 'file', 'resource-id', 'event-id', 'attach',
999 'verb', 'object-type', 'object', 'target', 'contact-id',
1000 'icid', 'iaid', 'psid'];
1001 $item = self::selectFirst($fields, ['id' => $item_id]);
1002 if (!DBA::isResult($item)) {
1003 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
1007 if ($item['deleted']) {
1008 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
1012 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
1013 if (!DBA::isResult($parent)) {
1014 $parent = ['origin' => false];
1017 // clean up categories and tags so they don't end up as orphans
1020 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
1022 foreach ($matches as $mtch) {
1023 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
1029 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
1031 foreach ($matches as $mtch) {
1032 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
1037 * If item is a link to a photo resource, nuke all the associated photos
1038 * (visitors will not have photo resources)
1039 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
1040 * generate a resource-id and therefore aren't intimately linked to the item.
1042 if (strlen($item['resource-id'])) {
1043 DBA::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
1046 // If item is a link to an event, delete the event.
1047 if (intval($item['event-id'])) {
1048 Event::delete($item['event-id']);
1051 // If item has attachments, drop them
1052 foreach (explode(", ", $item['attach']) as $attach) {
1053 preg_match("|attach/(\d+)|", $attach, $matches);
1054 if (is_array($matches) && count($matches) > 1) {
1055 DBA::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
1059 // Delete tags that had been attached to other items
1060 self::deleteTagsFromItem($item);
1062 // Set the item to "deleted"
1063 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()];
1064 DBA::update('item', $item_fields, ['id' => $item['id']]);
1066 Term::insertFromTagFieldByItemId($item['id'], '');
1067 Term::insertFromFileFieldByItemId($item['id'], '');
1068 self::deleteThread($item['id'], $item['parent-uri']);
1070 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1071 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1074 DBA::delete('item-delivery-data', ['iid' => $item['id']]);
1076 if (!empty($item['iaid']) && !self::exists(['iaid' => $item['iaid'], 'deleted' => false])) {
1077 DBA::delete('item-activity', ['id' => $item['iaid']], ['cascade' => false]);
1079 if (!empty($item['icid']) && !self::exists(['icid' => $item['icid'], 'deleted' => false])) {
1080 DBA::delete('item-content', ['id' => $item['icid']], ['cascade' => false]);
1082 // When the permission set will be used in photo and events as well,
1083 // this query here needs to be extended.
1084 if (!empty($item['psid']) && !self::exists(['psid' => $item['psid'], 'deleted' => false])) {
1085 DBA::delete('permissionset', ['id' => $item['psid']], ['cascade' => false]);
1088 // If it's the parent of a comment thread, kill all the kids
1089 if ($item['id'] == $item['parent']) {
1090 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1093 // Is it our comment and/or our thread?
1094 if ($item['origin'] || $parent['origin']) {
1096 // When we delete the original post we will delete all existing copies on the server as well
1097 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1099 // send the notification upstream/downstream
1100 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
1101 } elseif ($item['uid'] != 0) {
1103 // When we delete just our local user copy of an item, we have to set a marker to hide it
1104 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1105 if (DBA::isResult($global_item)) {
1106 DBA::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1110 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
1115 private static function deleteTagsFromItem($item)
1117 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1121 $xo = XML::parseString($item["object"], false);
1122 $xt = XML::parseString($item["target"], false);
1124 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1128 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1129 if (!DBA::isResult($i)) {
1133 // For tags, the owner cannot remove the tag on the author's copy of the post.
1134 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1135 $author_copy = $item["origin"];
1137 if (($owner_remove && $author_copy) || !$owner_remove) {
1141 $tags = explode(',', $i["tag"]);
1144 foreach ($tags as $tag) {
1145 if (trim($tag) !== trim($xo->body)) {
1146 $newtags[] = trim($tag);
1150 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1153 private static function guid($item, $notify)
1155 if (!empty($item['guid'])) {
1156 return notags(trim($item['guid']));
1160 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1161 // We add the hash of our own host because our host is the original creator of the post.
1162 $prefix_host = get_app()->get_hostname();
1166 // We are only storing the post so we create a GUID from the original hostname.
1167 if (!empty($item['author-link'])) {
1168 $parsed = parse_url($item['author-link']);
1169 if (!empty($parsed['host'])) {
1170 $prefix_host = $parsed['host'];
1174 if (empty($prefix_host) && !empty($item['plink'])) {
1175 $parsed = parse_url($item['plink']);
1176 if (!empty($parsed['host'])) {
1177 $prefix_host = $parsed['host'];
1181 if (empty($prefix_host) && !empty($item['uri'])) {
1182 $parsed = parse_url($item['uri']);
1183 if (!empty($parsed['host'])) {
1184 $prefix_host = $parsed['host'];
1188 // Is it in the format data@host.tld? - Used for mail contacts
1189 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1190 $mailparts = explode('@', $item['author-link']);
1191 $prefix_host = array_pop($mailparts);
1195 if (!empty($item['plink'])) {
1196 $guid = self::guidFromUri($item['plink'], $prefix_host);
1197 } elseif (!empty($item['uri'])) {
1198 $guid = self::guidFromUri($item['uri'], $prefix_host);
1200 $guid = System::createGUID(32, hash('crc32', $prefix_host));
1206 private static function contactId($item)
1208 $contact_id = (int)$item["contact-id"];
1210 if (!empty($contact_id)) {
1213 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
1215 * First we are looking for a suitable contact that matches with the author of the post
1216 * This is done only for comments
1218 if ($item['parent-uri'] != $item['uri']) {
1219 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1222 // If not present then maybe the owner was found
1223 if ($contact_id == 0) {
1224 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1227 // Still missing? Then use the "self" contact of the current user
1228 if ($contact_id == 0) {
1229 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1230 if (DBA::isResult($self)) {
1231 $contact_id = $self["id"];
1234 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
1239 // This function will finally cover most of the preparation functionality in mod/item.php
1240 public static function prepare(&$item)
1242 $data = BBCode::getAttachmentData($item['body']);
1243 if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $item['body'], $match, PREG_SET_ORDER) || isset($data["type"]))
1244 && ($posttype != Item::PT_PERSONAL_NOTE)) {
1245 $posttype = Item::PT_PAGE;
1246 $objecttype = ACTIVITY_OBJ_BOOKMARK;
1250 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1254 // If it is a posting where users should get notifications, then define it as wall posting
1257 $item['origin'] = 1;
1258 $item['network'] = Protocol::DFRN;
1259 $item['protocol'] = Conversation::PARCEL_DFRN;
1261 if (is_int($notify)) {
1262 $priority = $notify;
1264 $priority = PRIORITY_HIGH;
1267 $item['network'] = trim(defaults($item, 'network', Protocol::PHANTOM));
1270 $item['guid'] = self::guid($item, $notify);
1271 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1274 $item['uri-id'] = ItemURI::insert(['uri' => $item['uri'], 'guid' => $item['guid']]);
1276 // Store conversation data
1277 $item = Conversation::insert($item);
1280 * If a Diaspora signature structure was passed in, pull it out of the
1281 * item array and set it aside for later storage.
1285 if (x($item, 'dsprsig')) {
1286 $encoded_signature = $item['dsprsig'];
1287 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1288 unset($item['dsprsig']);
1291 if (!empty($item['diaspora_signed_text'])) {
1292 $diaspora_signed_text = $item['diaspora_signed_text'];
1293 unset($item['diaspora_signed_text']);
1295 $diaspora_signed_text = '';
1298 // Converting the plink
1299 /// @TODO Check if this is really still needed
1300 if ($item['network'] == Protocol::OSTATUS) {
1301 if (isset($item['plink'])) {
1302 $item['plink'] = OStatus::convertHref($item['plink']);
1303 } elseif (isset($item['uri'])) {
1304 $item['plink'] = OStatus::convertHref($item['uri']);
1308 if (!empty($item['thr-parent'])) {
1309 $item['parent-uri'] = $item['thr-parent'];
1312 if (isset($item['gravity'])) {
1313 $item['gravity'] = intval($item['gravity']);
1314 } elseif ($item['parent-uri'] === $item['uri']) {
1315 $item['gravity'] = GRAVITY_PARENT;
1316 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1317 $item['gravity'] = GRAVITY_COMMENT;
1319 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1320 logger('Unknown gravity for verb: ' . $item['verb'], LOGGER_DEBUG);
1323 $uid = intval($item['uid']);
1325 // check for create date and expire time
1326 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1328 $user = DBA::selectFirst('user', ['expire'], ['uid' => $uid]);
1329 if (DBA::isResult($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1330 $expire_interval = $user['expire'];
1333 if (($expire_interval > 0) && !empty($item['created'])) {
1334 $expire_date = time() - ($expire_interval * 86400);
1335 $created_date = strtotime($item['created']);
1336 if ($created_date < $expire_date) {
1337 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1343 * Do we already have this item?
1344 * We have to check several networks since Friendica posts could be repeated
1345 * via OStatus (maybe Diasporsa as well)
1347 if (in_array($item['network'], [Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS, ""])) {
1348 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1349 trim($item['uri']), $item['uid'],
1350 Protocol::DIASPORA, Protocol::DFRN, Protocol::OSTATUS];
1351 $existing = self::selectFirst(['id', 'network'], $condition);
1352 if (DBA::isResult($existing)) {
1353 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1355 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1358 return $existing["id"];
1362 // Ensure to always have the same creation date.
1363 $existing = self::selectfirst(['created', 'uri-hash'], ['uri' => $item['uri']]);
1364 if (DBA::isResult($existing)) {
1365 $item['created'] = $existing['created'];
1366 $item['uri-hash'] = $existing['uri-hash'];
1369 $item['wall'] = intval(defaults($item, 'wall', 0));
1370 $item['extid'] = trim(defaults($item, 'extid', ''));
1371 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1372 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1373 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1374 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1375 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1376 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1377 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1378 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1379 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1380 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1381 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1382 $item['title'] = trim(defaults($item, 'title', ''));
1383 $item['location'] = trim(defaults($item, 'location', ''));
1384 $item['coord'] = trim(defaults($item, 'coord', ''));
1385 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1386 $item['deleted'] = 0;
1387 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1388 $item['post-type'] = defaults($item, 'post-type', self::PT_ARTICLE);
1389 $item['verb'] = trim(defaults($item, 'verb', ''));
1390 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1391 $item['object'] = trim(defaults($item, 'object', ''));
1392 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1393 $item['target'] = trim(defaults($item, 'target', ''));
1394 $item['plink'] = trim(defaults($item, 'plink', ''));
1395 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1396 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1397 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1398 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1399 $item['private'] = intval(defaults($item, 'private', 0));
1400 $item['body'] = trim(defaults($item, 'body', ''));
1401 $item['tag'] = trim(defaults($item, 'tag', ''));
1402 $item['attach'] = trim(defaults($item, 'attach', ''));
1403 $item['app'] = trim(defaults($item, 'app', ''));
1404 $item['origin'] = intval(defaults($item, 'origin', 0));
1405 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1406 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1407 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1408 $item['inform'] = trim(defaults($item, 'inform', ''));
1409 $item['file'] = trim(defaults($item, 'file', ''));
1411 // Unique identifier to be linked against item-activities and item-content
1412 $item['uri-hash'] = defaults($item, 'uri-hash', self::itemHash($item['uri'], $item['created']));
1414 // When there is no content then we don't post it
1415 if ($item['body'].$item['title'] == '') {
1416 logger('No body, no title.');
1420 self::addLanguageToItemArray($item);
1422 // Items cannot be stored before they happen ...
1423 if ($item['created'] > DateTimeFormat::utcNow()) {
1424 $item['created'] = DateTimeFormat::utcNow();
1427 // We haven't invented time travel by now.
1428 if ($item['edited'] > DateTimeFormat::utcNow()) {
1429 $item['edited'] = DateTimeFormat::utcNow();
1432 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1434 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1435 $item["contact-id"] = self::contactId($item);
1437 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1438 'photo' => $item['author-avatar'], 'network' => $item['network']];
1440 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1442 if (Contact::isBlocked($item["author-id"])) {
1443 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1447 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1448 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1450 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1452 if (Contact::isBlocked($item["owner-id"])) {
1453 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1457 // These fields aren't stored anymore in the item table, they are fetched upon request
1458 unset($item['author-link']);
1459 unset($item['author-name']);
1460 unset($item['author-avatar']);
1462 unset($item['owner-link']);
1463 unset($item['owner-name']);
1464 unset($item['owner-avatar']);
1466 if ($item['network'] == Protocol::PHANTOM) {
1467 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1469 $item['network'] = Protocol::DFRN;
1470 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1473 // Checking if there is already an item with the same guid
1474 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1475 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1476 if (self::exists($condition)) {
1477 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1481 // Check for hashtags in the body and repair or add hashtag links
1482 self::setHashtags($item);
1484 $item['thr-parent'] = $item['parent-uri'];
1492 if ($item['parent-uri'] === $item['uri']) {
1494 $parent_deleted = 0;
1495 $allow_cid = $item['allow_cid'];
1496 $allow_gid = $item['allow_gid'];
1497 $deny_cid = $item['deny_cid'];
1498 $deny_gid = $item['deny_gid'];
1499 $notify_type = 'wall-new';
1501 // find the parent and snarf the item id and ACLs
1502 // and anything else we need to inherit
1504 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1505 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1506 'wall', 'private', 'forum_mode', 'origin'];
1507 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1508 $params = ['order' => ['id' => false]];
1509 $parent = self::selectFirst($fields, $condition, $params);
1511 if (DBA::isResult($parent)) {
1512 // is the new message multi-level threaded?
1513 // even though we don't support it now, preserve the info
1514 // and re-attach to the conversation parent.
1516 if ($parent['uri'] != $parent['parent-uri']) {
1517 $item['parent-uri'] = $parent['parent-uri'];
1519 $condition = ['uri' => $item['parent-uri'],
1520 'parent-uri' => $item['parent-uri'],
1521 'uid' => $item['uid']];
1522 $params = ['order' => ['id' => false]];
1523 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1525 if (DBA::isResult($toplevel_parent)) {
1526 $parent = $toplevel_parent;
1530 $parent_id = $parent['id'];
1531 $parent_deleted = $parent['deleted'];
1532 $allow_cid = $parent['allow_cid'];
1533 $allow_gid = $parent['allow_gid'];
1534 $deny_cid = $parent['deny_cid'];
1535 $deny_gid = $parent['deny_gid'];
1536 $item['wall'] = $parent['wall'];
1537 $notify_type = 'comment-new';
1540 * If the parent is private, force privacy for the entire conversation
1541 * This differs from the above settings as it subtly allows comments from
1542 * email correspondents to be private even if the overall thread is not.
1544 if ($parent['private']) {
1545 $item['private'] = $parent['private'];
1549 * Edge case. We host a public forum that was originally posted to privately.
1550 * The original author commented, but as this is a comment, the permissions
1551 * weren't fixed up so it will still show the comment as private unless we fix it here.
1553 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1554 $item['private'] = 0;
1557 // If its a post from myself then tag the thread as "mention"
1558 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1559 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1560 if (DBA::isResult($user)) {
1561 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1562 $self_id = Contact::getIdForURL($self, 0, true);
1563 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1564 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1565 DBA::update('thread', ['mention' => true], ['iid' => $parent_id]);
1566 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1571 * Allow one to see reply tweets from status.net even when
1572 * we don't have or can't see the original post.
1574 if ($force_parent) {
1575 logger('$force_parent=true, reply converted to top-level post.');
1577 $item['parent-uri'] = $item['uri'];
1578 $item['gravity'] = GRAVITY_PARENT;
1580 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1584 $parent_deleted = 0;
1588 $item['parent-uri-id'] = ItemURI::getIdByURI($item['parent-uri']);
1589 $item['thr-parent-id'] = ItemURI::getIdByURI($item['thr-parent']);
1591 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1592 $item['uri'], $item['network'], Protocol::DFRN, $item['uid']];
1593 if (self::exists($condition)) {
1594 logger('duplicated item with the same uri found. '.print_r($item,true));
1598 // On Friendica and Diaspora the GUID is unique
1599 if (in_array($item['network'], [Protocol::DFRN, Protocol::DIASPORA])) {
1600 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1601 if (self::exists($condition)) {
1602 logger('duplicated item with the same guid found. '.print_r($item,true));
1606 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1607 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1608 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1609 if (self::exists($condition)) {
1610 logger('duplicated item with the same body found. '.print_r($item,true));
1615 // Is this item available in the global items (with uid=0)?
1616 if ($item["uid"] == 0) {
1617 $item["global"] = true;
1619 // Set the global flag on all items if this was a global item entry
1620 self::update(['global' => true], ['uri' => $item["uri"]]);
1622 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1626 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1629 $private = $item['private'];
1632 $item["allow_cid"] = $allow_cid;
1633 $item["allow_gid"] = $allow_gid;
1634 $item["deny_cid"] = $deny_cid;
1635 $item["deny_gid"] = $deny_gid;
1636 $item["private"] = $private;
1637 $item["deleted"] = $parent_deleted;
1639 // Fill the cache field
1640 put_item_in_cache($item);
1643 $item['edit'] = false;
1644 $item['parent'] = $parent_id;
1645 Addon::callHooks('post_local', $item);
1646 unset($item['edit']);
1647 unset($item['parent']);
1649 Addon::callHooks('post_remote', $item);
1652 // This array field is used to trigger some automatic reactions
1653 // It is mainly used in the "post_local" hook.
1654 unset($item['api_source']);
1656 if (x($item, 'cancel')) {
1657 logger('post cancelled by addon.');
1662 * Check for already added items.
1663 * There is a timing issue here that sometimes creates double postings.
1664 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1666 if ($item["uid"] == 0) {
1667 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1668 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1673 logger('' . print_r($item,true), LOGGER_DATA);
1675 if (array_key_exists('tag', $item)) {
1676 $tags = $item['tag'];
1677 unset($item['tag']);
1682 if (array_key_exists('file', $item)) {
1683 $files = $item['file'];
1684 unset($item['file']);
1689 // Creates or assigns the permission set
1690 $item['psid'] = PermissionSet::fetchIDForPost($item);
1692 // We are doing this outside of the transaction to avoid timing problems
1693 if (!self::insertActivity($item)) {
1694 self::insertContent($item);
1697 $delivery_data = ['postopts' => defaults($item, 'postopts', ''),
1698 'inform' => defaults($item, 'inform', '')];
1700 unset($item['postopts']);
1701 unset($item['inform']);
1704 $ret = DBA::insert('item', $item);
1706 // When the item was successfully stored we fetch the ID of the item.
1707 if (DBA::isResult($ret)) {
1708 $current_post = DBA::lastInsertId();
1710 // This can happen - for example - if there are locking timeouts.
1713 // Store the data into a spool file so that we can try again later.
1715 // At first we restore the Diaspora signature that we removed above.
1716 if (isset($encoded_signature)) {
1717 $item['dsprsig'] = $encoded_signature;
1720 // Now we store the data in the spool directory
1721 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1722 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1724 $spoolpath = get_spoolpath();
1725 if ($spoolpath != "") {
1726 $spool = $spoolpath.'/'.$file;
1728 // Ensure to have the removed data from above again in the item array
1729 $item = array_merge($item, $delivery_data);
1731 file_put_contents($spool, json_encode($item));
1732 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1737 if ($current_post == 0) {
1738 // This is one of these error messages that never should occur.
1739 logger("couldn't find created item - we better quit now.");
1744 // How much entries have we created?
1745 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1746 $entries = DBA::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1749 // There are duplicates. We delete our just created entry.
1750 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1752 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1753 DBA::delete('item', ['id' => $current_post]);
1756 } elseif ($entries == 0) {
1757 // This really should never happen since we quit earlier if there were problems.
1758 logger("Something is terribly wrong. We haven't found our created entry.");
1763 logger('created item '.$current_post);
1764 self::updateContact($item);
1766 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1767 $parent_id = $current_post;
1771 self::update(['parent' => $parent_id], ['id' => $current_post]);
1773 $item['id'] = $current_post;
1774 $item['parent'] = $parent_id;
1776 // update the commented timestamp on the parent
1777 // Only update "commented" if it is really a comment
1778 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1779 self::update(['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1781 self::update(['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1786 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1787 * We can check for this condition when we decode and encode the stuff again.
1789 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1790 $dsprsig->signature = base64_decode($dsprsig->signature);
1791 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1794 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1795 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1798 if (!empty($diaspora_signed_text)) {
1799 // Formerly we stored the signed text, the signature and the author in different fields.
1800 // We now store the raw data so that we are more flexible.
1801 DBA::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1804 $deleted = self::tagDeliver($item['uid'], $current_post);
1807 * current post can be deleted if is for a community page and no mention are
1810 if (!$deleted && !$dontcache) {
1811 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1812 if (DBA::isResult($posted_item)) {
1814 Addon::callHooks('post_local_end', $posted_item);
1816 Addon::callHooks('post_remote_end', $posted_item);
1819 logger('new item not found in DB, id ' . $current_post);
1823 if ($item['parent-uri'] === $item['uri']) {
1824 self::addThread($current_post);
1826 self::updateThread($parent_id);
1829 $delivery_data['iid'] = $current_post;
1831 self::insertDeliveryData($delivery_data);
1836 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1837 * This is not perfect - but a workable solution until we found the reason for the problem.
1839 if (!empty($tags)) {
1840 Term::insertFromTagFieldByItemId($current_post, $tags);
1843 if (!empty($files)) {
1844 Term::insertFromFileFieldByItemId($current_post, $files);
1847 if ($item['parent-uri'] === $item['uri']) {
1848 self::addShadow($current_post);
1850 self::addShadowPost($current_post);
1853 check_user_notification($current_post);
1856 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1857 } elseif (!empty($parent) && $parent['origin']) {
1858 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1861 return $current_post;
1865 * @brief Insert a new item delivery data entry
1867 * @param array $item The item fields that are to be inserted
1869 private static function insertDeliveryData($delivery_data)
1871 if (empty($delivery_data['iid']) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1875 DBA::insert('item-delivery-data', $delivery_data);
1879 * @brief Update an existing item delivery data entry
1881 * @param integer $id The item id that is to be updated
1882 * @param array $item The item fields that are to be inserted
1884 private static function updateDeliveryData($id, $delivery_data)
1886 if (empty($id) || (empty($delivery_data['postopts']) && empty($delivery_data['inform']))) {
1890 DBA::update('item-delivery-data', $delivery_data, ['iid' => $id], true);
1894 * @brief Insert a new item content entry
1896 * @param array $item The item fields that are to be inserted
1898 private static function insertActivity(&$item)
1900 $activity_index = self::activityToIndex($item['verb']);
1902 if ($activity_index < 0) {
1906 $fields = ['uri' => $item['uri'], 'activity' => $activity_index,
1907 'uri-hash' => $item['uri-hash'], 'uri-id' => $item['uri-id']];
1909 // We just remove everything that is content
1910 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1911 unset($item[$field]);
1914 // To avoid timing problems, we are using locks.
1915 $locked = Lock::acquire('item_insert_activity');
1917 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1920 // Do we already have this content?
1921 $item_activity = DBA::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]);
1922 if (DBA::isResult($item_activity)) {
1923 $item['iaid'] = $item_activity['id'];
1924 logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1925 } elseif (DBA::insert('item-activity', $fields)) {
1926 $item['iaid'] = DBA::lastInsertId();
1927 logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1929 // This shouldn't happen.
1930 logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1934 Lock::release('item_insert_activity');
1940 * @brief Insert a new item content entry
1942 * @param array $item The item fields that are to be inserted
1944 private static function insertContent(&$item)
1946 $fields = ['uri' => $item['uri'], 'uri-plink-hash' => $item['uri-hash'],
1947 'uri-id' => $item['uri-id']];
1949 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1950 if (isset($item[$field])) {
1951 $fields[$field] = $item[$field];
1952 unset($item[$field]);
1956 // To avoid timing problems, we are using locks.
1957 $locked = Lock::acquire('item_insert_content');
1959 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1962 // Do we already have this content?
1963 $item_content = DBA::selectFirst('item-content', ['id'], ['uri-plink-hash' => $item['uri-hash']]);
1964 if (DBA::isResult($item_content)) {
1965 $item['icid'] = $item_content['id'];
1966 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1967 } elseif (DBA::insert('item-content', $fields)) {
1968 $item['icid'] = DBA::lastInsertId();
1969 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1971 // This shouldn't happen.
1972 logger('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
1975 Lock::release('item_insert_content');
1980 * @brief Update existing item content entries
1982 * @param array $item The item fields that are to be changed
1983 * @param array $condition The condition for finding the item content entries
1985 private static function updateActivity($item, $condition)
1987 if (empty($item['verb'])) {
1990 $activity_index = self::activityToIndex($item['verb']);
1992 if ($activity_index < 0) {
1996 $fields = ['activity' => $activity_index];
1998 logger('Update activity for ' . json_encode($condition));
2000 DBA::update('item-activity', $fields, $condition, true);
2006 * @brief Update existing item content entries
2008 * @param array $item The item fields that are to be changed
2009 * @param array $condition The condition for finding the item content entries
2011 private static function updateContent($item, $condition)
2013 // We have to select only the fields from the "item-content" table
2015 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
2016 if (isset($item[$field])) {
2017 $fields[$field] = $item[$field];
2021 if (empty($fields)) {
2022 // when there are no fields at all, just use the condition
2023 // This is to ensure that we always store content.
2024 $fields = $condition;
2027 logger('Update content for ' . json_encode($condition));
2029 DBA::update('item-content', $fields, $condition, true);
2033 * @brief Distributes public items to the receivers
2035 * @param integer $itemid Item ID that should be added
2036 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
2038 public static function distribute($itemid, $signed_text = '')
2040 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
2041 $parent = self::selectFirst(['owner-id'], $condition);
2042 if (!DBA::isResult($parent)) {
2046 // Only distribute public items from native networks
2047 $condition = ['id' => $itemid, 'uid' => 0,
2048 'network' => [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""],
2049 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
2050 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2051 if (!DBA::isResult($item)) {
2055 $origin = $item['origin'];
2058 unset($item['parent']);
2059 unset($item['mention']);
2060 unset($item['wall']);
2061 unset($item['origin']);
2062 unset($item['starred']);
2066 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
2067 $parent['owner-id'], Contact::SHARING, Contact::FRIEND];
2069 $contacts = DBA::select('contact', ['uid'], $condition);
2071 while ($contact = DBA::fetch($contacts)) {
2072 $users[$contact['uid']] = $contact['uid'];
2077 if ($item['uri'] != $item['parent-uri']) {
2078 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
2079 while ($parent = self::fetch($parents)) {
2080 $users[$parent['uid']] = $parent['uid'];
2081 if ($parent['origin'] && !$origin) {
2082 $origin_uid = $parent['uid'];
2087 foreach ($users as $uid) {
2088 if ($origin_uid == $uid) {
2089 $item['diaspora_signed_text'] = $signed_text;
2091 self::storeForUser($itemid, $item, $uid);
2096 * @brief Store public items for the receivers
2098 * @param integer $itemid Item ID that should be added
2099 * @param array $item The item entry that will be stored
2100 * @param integer $uid The user that will receive the item entry
2102 private static function storeForUser($itemid, $item, $uid)
2104 $item['uid'] = $uid;
2105 $item['origin'] = 0;
2107 if ($item['uri'] == $item['parent-uri']) {
2108 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
2110 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
2113 if (empty($item['contact-id'])) {
2114 $self = DBA::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
2115 if (!DBA::isResult($self)) {
2118 $item['contact-id'] = $self['id'];
2121 /// @todo Handling of "event-id"
2124 if ($item['uri'] == $item['parent-uri']) {
2125 $contact = DBA::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2126 if (DBA::isResult($contact)) {
2127 $notify = self::isRemoteSelf($contact, $item);
2131 $distributed = self::insert($item, false, $notify, true);
2133 if (!$distributed) {
2134 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
2136 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
2141 * @brief Add a shadow entry for a given item id that is a thread starter
2143 * We store every public item entry additionally with the user id "0".
2144 * This is used for the community page and for the search.
2145 * It is planned that in the future we will store public item entries only once.
2147 * @param integer $itemid Item ID that should be added
2149 public static function addShadow($itemid)
2151 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2152 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2153 $item = self::selectFirst($fields, $condition);
2155 if (!DBA::isResult($item)) {
2159 // is it already a copy?
2160 if (($itemid == 0) || ($item['uid'] == 0)) {
2164 // Is it a visible public post?
2165 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2169 // is it an entry from a connector? Only add an entry for natively connected networks
2170 if (!in_array($item["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, ""])) {
2174 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2178 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2180 if (DBA::isResult($item)) {
2181 // Preparing public shadow (removing user specific data)
2184 unset($item['parent']);
2185 unset($item['wall']);
2186 unset($item['mention']);
2187 unset($item['origin']);
2188 unset($item['starred']);
2189 unset($item['postopts']);
2190 unset($item['inform']);
2191 if ($item['uri'] == $item['parent-uri']) {
2192 $item['contact-id'] = $item['owner-id'];
2194 $item['contact-id'] = $item['author-id'];
2197 $public_shadow = self::insert($item, false, false, true);
2199 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
2204 * @brief Add a shadow entry for a given item id that is a comment
2206 * This function does the same like the function above - but for comments
2208 * @param integer $itemid Item ID that should be added
2210 public static function addShadowPost($itemid)
2212 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2213 if (!DBA::isResult($item)) {
2217 // Is it a toplevel post?
2218 if ($item['id'] == $item['parent']) {
2219 self::addShadow($itemid);
2223 // Is this a shadow entry?
2224 if ($item['uid'] == 0) {
2228 // Is there a shadow parent?
2229 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2233 // Is there already a shadow entry?
2234 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2238 // Save "origin" and "parent" state
2239 $origin = $item['origin'];
2240 $parent = $item['parent'];
2242 // Preparing public shadow (removing user specific data)
2245 unset($item['parent']);
2246 unset($item['wall']);
2247 unset($item['mention']);
2248 unset($item['origin']);
2249 unset($item['starred']);
2250 unset($item['postopts']);
2251 unset($item['inform']);
2252 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2254 $public_shadow = self::insert($item, false, false, true);
2256 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
2258 // If this was a comment to a Diaspora post we don't get our comment back.
2259 // This means that we have to distribute the comment by ourselves.
2260 if ($origin && self::exists(['id' => $parent, 'network' => Protocol::DIASPORA])) {
2261 self::distribute($public_shadow);
2266 * Adds a language specification in a "language" element of given $arr.
2267 * Expects "body" element to exist in $arr.
2269 private static function addLanguageToItemArray(&$item)
2271 $naked_body = BBCode::toPlaintext($item['body'], false);
2273 $ld = new Text_LanguageDetect();
2274 $ld->setNameMode(2);
2275 $languages = $ld->detect($naked_body, 3);
2277 if (is_array($languages)) {
2278 $item['language'] = json_encode($languages);
2283 * @brief Creates an unique guid out of a given uri
2285 * @param string $uri uri of an item entry
2286 * @param string $host hostname for the GUID prefix
2287 * @return string unique guid
2289 public static function guidFromUri($uri, $host)
2291 // Our regular guid routine is using this kind of prefix as well
2292 // We have to avoid that different routines could accidentally create the same value
2293 $parsed = parse_url($uri);
2295 // We use a hash of the hostname as prefix for the guid
2296 $guid_prefix = hash("crc32", $host);
2298 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2299 unset($parsed["scheme"]);
2301 // Glue it together to be able to make a hash from it
2302 $host_id = implode("/", $parsed);
2304 // We could use any hash algorithm since it isn't a security issue
2305 $host_hash = hash("ripemd128", $host_id);
2307 return $guid_prefix.$host_hash;
2311 * generate an unique URI
2313 * @param integer $uid User id
2314 * @param string $guid An existing GUID (Otherwise it will be generated)
2318 public static function newURI($uid, $guid = "")
2321 $guid = System::createGUID(32);
2324 $hostname = self::getApp()->get_hostname();
2326 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]);
2328 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
2334 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2336 * This can be used to filter for inactive contacts.
2337 * Only do this for public postings to avoid privacy problems, since poco data is public.
2338 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2340 * @param array $arr Contains the just posted item record
2342 private static function updateContact($arr)
2344 // Unarchive the author
2345 $contact = DBA::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2346 if (DBA::isResult($contact)) {
2347 Contact::unmarkForArchival($contact);
2350 // Unarchive the contact if it's not our own contact
2351 $contact = DBA::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2352 if (DBA::isResult($contact)) {
2353 Contact::unmarkForArchival($contact);
2356 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2358 // Is it a forum? Then we don't care about the rules from above
2359 if (!$update && ($arr["network"] == Protocol::DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2360 if (DBA::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2366 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2367 ['id' => $arr['contact-id']]);
2369 // Now do the same for the system wide contacts with uid=0
2370 if (!$arr['private']) {
2371 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2372 ['id' => $arr['owner-id']]);
2374 if ($arr['owner-id'] != $arr['author-id']) {
2375 DBA::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2376 ['id' => $arr['author-id']]);
2381 public static function setHashtags(&$item)
2384 $tags = get_tags($item["body"]);
2387 if (!count($tags)) {
2391 // This sorting is important when there are hashtags that are part of other hashtags
2392 // Otherwise there could be problems with hashtags like #test and #test2
2395 $URLSearchString = "^\[\]";
2397 // All hashtags should point to the home server if "local_tags" is activated
2398 if (Config::get('system', 'local_tags')) {
2399 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2400 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2402 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2403 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2406 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2407 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2409 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2412 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2414 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2417 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2419 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2422 // Repair recursive urls
2423 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2424 "#$2", $item["body"]);
2426 foreach ($tags as $tag) {
2427 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2431 $basetag = str_replace('_',' ',substr($tag,1));
2433 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2435 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2437 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2438 if (strlen($item["tag"])) {
2439 $item["tag"] = ','.$item["tag"];
2441 $item["tag"] = $newtag.$item["tag"];
2445 // Convert back the masked hashtags
2446 $item["body"] = str_replace("#", "#", $item["body"]);
2449 public static function getGuidById($id)
2451 $item = self::selectFirst(['guid'], ['id' => $id]);
2452 if (DBA::isResult($item)) {
2453 return $item['guid'];
2460 * This function is only used for the old Friendica app on Android that doesn't like paths with guid
2461 * @param string $guid item guid
2462 * @param int $uid user id
2463 * @return array with id and nick of the item with the given guid
2465 public static function getIdAndNickByGuid($guid, $uid = 0)
2471 $uid == local_user();
2474 // Does the given user have this item?
2476 $item = self::selectFirst(['id'], ['guid' => $guid, 'uid' => $uid]);
2477 if (DBA::isResult($item)) {
2478 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $uid]);
2479 if (!DBA::isResult($user)) {
2483 $nick = $user['nickname'];
2487 // Or is it anywhere on the server?
2489 $condition = ["`guid` = ? AND `uid` != 0", $guid];
2490 $item = self::selectFirst(['id', 'uid'], $condition);
2491 if (DBA::isResult($item)) {
2492 $user = DBA::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
2493 if (!DBA::isResult($user)) {
2497 $nick = $user['nickname'];
2500 return ["nick" => $nick, "id" => $id];
2504 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2506 * @param int $item_id
2507 * @return bool true if item was deleted, else false
2509 private static function tagDeliver($uid, $item_id)
2513 $user = DBA::selectFirst('user', [], ['uid' => $uid]);
2514 if (!DBA::isResult($user)) {
2518 $community_page = (($user['page-flags'] == Contact::PAGE_COMMUNITY) ? true : false);
2519 $prvgroup = (($user['page-flags'] == Contact::PAGE_PRVGROUP) ? true : false);
2521 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2522 if (!DBA::isResult($item)) {
2526 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2529 * Diaspora uses their own hardwired link URL in @-tags
2530 * instead of the one we supply with webfinger
2532 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2534 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2536 foreach ($matches as $mtch) {
2537 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2539 logger('mention found: ' . $mtch[2]);
2545 if (($community_page || $prvgroup) &&
2546 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2547 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2549 logger("no-mention top-level post to community or private group. delete.");
2550 DBA::delete('item', ['id' => $item_id]);
2556 $arr = ['item' => $item, 'user' => $user];
2558 Addon::callHooks('tagged', $arr);
2560 if (!$community_page && !$prvgroup) {
2565 * tgroup delivery - setup a second delivery chain
2566 * prevent delivery looping - only proceed
2567 * if the message originated elsewhere and is a top-level post
2569 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2573 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2574 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2575 if (!DBA::isResult($self)) {
2579 $owner_id = Contact::getIdForURL($self['url']);
2581 // also reset all the privacy bits to the forum default permissions
2583 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2585 $psid = PermissionSet::fetchIDForPost($user);
2587 $forum_mode = ($prvgroup ? 2 : 1);
2589 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2590 'owner-id' => $owner_id, 'private' => $private, 'psid' => $psid];
2591 self::update($fields, ['id' => $item_id]);
2593 self::updateThread($item_id);
2595 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2598 public static function isRemoteSelf($contact, &$datarray)
2602 if (!$contact['remote_self']) {
2606 // Prevent the forwarding of posts that are forwarded
2607 if (!empty($datarray["extid"]) && ($datarray["extid"] == Protocol::DFRN)) {
2608 logger('Already forwarded', LOGGER_DEBUG);
2612 // Prevent to forward already forwarded posts
2613 if ($datarray["app"] == $a->get_hostname()) {
2614 logger('Already forwarded (second test)', LOGGER_DEBUG);
2618 // Only forward posts
2619 if ($datarray["verb"] != ACTIVITY_POST) {
2620 logger('No post', LOGGER_DEBUG);
2624 if (($contact['network'] != Protocol::FEED) && $datarray['private']) {
2625 logger('Not public', LOGGER_DEBUG);
2629 $datarray2 = $datarray;
2630 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2631 if ($contact['remote_self'] == 2) {
2632 $self = DBA::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2633 ['uid' => $contact['uid'], 'self' => true]);
2634 if (DBA::isResult($self)) {
2635 $datarray['contact-id'] = $self["id"];
2637 $datarray['owner-name'] = $self["name"];
2638 $datarray['owner-link'] = $self["url"];
2639 $datarray['owner-avatar'] = $self["thumb"];
2641 $datarray['author-name'] = $datarray['owner-name'];
2642 $datarray['author-link'] = $datarray['owner-link'];
2643 $datarray['author-avatar'] = $datarray['owner-avatar'];
2645 unset($datarray['created']);
2646 unset($datarray['edited']);
2648 unset($datarray['network']);
2649 unset($datarray['owner-id']);
2650 unset($datarray['author-id']);
2653 if ($contact['network'] != Protocol::FEED) {
2654 $datarray["guid"] = System::createGUID(32);
2655 unset($datarray["plink"]);
2656 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2657 $datarray["parent-uri"] = $datarray["uri"];
2658 $datarray["thr-parent"] = $datarray["uri"];
2659 $datarray["extid"] = Protocol::DFRN;
2660 $urlpart = parse_url($datarray2['author-link']);
2661 $datarray["app"] = $urlpart["host"];
2663 $datarray['private'] = 0;
2667 if ($contact['network'] != Protocol::FEED) {
2668 // Store the original post
2669 $result = self::insert($datarray2, false, false);
2670 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2672 $datarray["app"] = "Feed";
2676 // Trigger automatic reactions for addons
2677 $datarray['api_source'] = true;
2679 // We have to tell the hooks who we are - this really should be improved
2680 $_SESSION["authenticated"] = true;
2681 $_SESSION["uid"] = $contact['uid'];
2690 * @param array $item
2694 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2696 if (Config::get('system', 'disable_embedded')) {
2700 logger('check for photos', LOGGER_DEBUG);
2701 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2706 $img_start = strpos($orig_body, '[img');
2707 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2708 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2710 while (($img_st_close !== false) && ($img_len !== false)) {
2711 $img_st_close++; // make it point to AFTER the closing bracket
2712 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2714 logger('found photo ' . $image, LOGGER_DEBUG);
2716 if (stristr($image, $site . '/photo/')) {
2717 // Only embed locally hosted photos
2719 $i = basename($image);
2720 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2721 $x = strpos($i, '-');
2724 $res = substr($i, $x + 1);
2725 $i = substr($i, 0, $x);
2726 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2727 $photo = DBA::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2728 if (DBA::isResult($photo)) {
2730 * Check to see if we should replace this photo link with an embedded image
2731 * 1. No need to do so if the photo is public
2732 * 2. If there's a contact-id provided, see if they're in the access list
2733 * for the photo. If so, embed it.
2734 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2735 * permissions, regardless of order but first check to see if they're an exact
2736 * match to save some processing overhead.
2738 if (self::hasPermissions($photo)) {
2740 $recips = self::enumeratePermissions($photo);
2741 if (in_array($cid, $recips)) {
2745 if (self::samePermissions($item, $photo)) {
2751 $data = $photo['data'];
2752 $type = $photo['type'];
2754 // If a custom width and height were specified, apply before embedding
2755 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2756 logger('scaling photo', LOGGER_DEBUG);
2758 $width = intval($match[1]);
2759 $height = intval($match[2]);
2761 $Image = new Image($data, $type);
2762 if ($Image->isValid()) {
2763 $Image->scaleDown(max($width, $height));
2764 $data = $Image->asString();
2765 $type = $Image->getType();
2769 logger('replacing photo', LOGGER_DEBUG);
2770 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2771 logger('replaced: ' . $image, LOGGER_DATA);
2777 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2778 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2779 if ($orig_body === false) {
2783 $img_start = strpos($orig_body, '[img');
2784 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2785 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2788 $new_body = $new_body . $orig_body;
2793 private static function hasPermissions($obj)
2795 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2796 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2799 private static function samePermissions($obj1, $obj2)
2801 // first part is easy. Check that these are exactly the same.
2802 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2803 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2804 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2805 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2809 // This is harder. Parse all the permissions and compare the resulting set.
2810 $recipients1 = self::enumeratePermissions($obj1);
2811 $recipients2 = self::enumeratePermissions($obj2);
2815 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2816 return ($recipients1 == $recipients2);
2819 // returns an array of contact-ids that are allowed to see this object
2820 private static function enumeratePermissions($obj)
2822 $allow_people = expand_acl($obj['allow_cid']);
2823 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2824 $deny_people = expand_acl($obj['deny_cid']);
2825 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2826 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2827 $deny = array_unique(array_merge($deny_people, $deny_groups));
2828 $recipients = array_diff($recipients, $deny);
2832 public static function getFeedTags($item)
2836 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2838 for ($x = 0; $x < $cnt; $x ++) {
2839 if ($matches[1][$x]) {
2840 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2845 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2847 for ($x = 0; $x < $cnt; $x ++) {
2848 if ($matches[1][$x]) {
2849 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2856 public static function expire($uid, $days, $network = "", $force = false)
2858 if (!$uid || ($days < 1)) {
2862 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2863 $uid, GRAVITY_PARENT];
2866 * $expire_network_only = save your own wall posts
2867 * and just expire conversations started by others
2869 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2871 if ($expire_network_only) {
2872 $condition[0] .= " AND NOT `wall`";
2875 if ($network != "") {
2876 $condition[0] .= " AND `network` = ?";
2877 $condition[] = $network;
2880 * There is an index "uid_network_received" but not "uid_network_created"
2881 * This avoids the creation of another index just for one purpose.
2882 * And it doesn't really matter wether to look at "received" or "created"
2884 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2885 $condition[] = $days;
2887 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2888 $condition[] = $days;
2891 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id', 'post-type'], $condition);
2893 if (!DBA::isResult($items)) {
2897 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2899 // Forcing expiring of items - but not notes and marked items
2901 $expire_items = true;
2904 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2905 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2906 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2910 while ($item = Item::fetch($items)) {
2911 // don't expire filed items
2913 if (strpos($item['file'], '[') !== false) {
2917 // Only expire posts, not photos and photo comments
2919 if (!$expire_photos && strlen($item['resource-id'])) {
2921 } elseif (!$expire_starred && intval($item['starred'])) {
2923 } elseif (!$expire_notes && (($item['type'] == 'note') || ($item['post-type'] == Item::PT_PERSONAL_NOTE))) {
2925 } elseif (!$expire_items && ($item['type'] != 'note') && ($item['post-type'] != Item::PT_PERSONAL_NOTE)) {
2929 self::deleteById($item['id'], PRIORITY_LOW);
2934 logger('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2937 public static function firstPostDate($uid, $wall = false)
2939 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2940 $params = ['order' => ['created' => false]];
2941 $thread = DBA::selectFirst('thread', ['created'], $condition, $params);
2942 if (DBA::isResult($thread)) {
2943 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2949 * @brief add/remove activity to an item
2951 * Toggle activities as like,dislike,attend of an item
2953 * @param string $item_id
2954 * @param string $verb
2955 * Activity verb. One of
2956 * like, unlike, dislike, undislike, attendyes, unattendyes,
2957 * attendno, unattendno, attendmaybe, unattendmaybe
2958 * @hook 'post_local_end'
2960 * 'post_id' => ID of posted item
2962 public static function performLike($item_id, $verb)
2964 if (!local_user() && !remote_user()) {
2971 $activity = ACTIVITY_LIKE;
2975 $activity = ACTIVITY_DISLIKE;
2979 $activity = ACTIVITY_ATTEND;
2983 $activity = ACTIVITY_ATTENDNO;
2986 case 'unattendmaybe':
2987 $activity = ACTIVITY_ATTENDMAYBE;
2990 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2994 // Enable activity toggling instead of on/off
2995 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2997 logger('like: verb ' . $verb . ' item ' . $item_id);
2999 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
3000 if (!DBA::isResult($item)) {
3001 logger('like: unknown item ' . $item_id);
3005 $item_uri = $item['uri'];
3007 $uid = $item['uid'];
3008 if (($uid == 0) && local_user()) {
3009 $uid = local_user();
3012 if (!can_write_wall($uid)) {
3013 logger('like: unable to write on wall ' . $uid);
3017 // Retrieves the local post owner
3018 $owner_self_contact = DBA::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
3019 if (!DBA::isResult($owner_self_contact)) {
3020 logger('like: unknown owner ' . $uid);
3024 // Retrieve the current logged in user's public contact
3025 $author_id = public_contact();
3027 $author_contact = DBA::selectFirst('contact', ['url'], ['id' => $author_id]);
3028 if (!DBA::isResult($author_contact)) {
3029 logger('like: unknown author ' . $author_id);
3033 // Contact-id is the uid-dependant author contact
3034 if (local_user() == $uid) {
3035 $item_contact_id = $owner_self_contact['id'];
3036 $item_contact = $owner_self_contact;
3038 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
3039 $item_contact = DBA::selectFirst('contact', [], ['id' => $item_contact_id]);
3040 if (!DBA::isResult($item_contact)) {
3041 logger('like: unknown item contact ' . $item_contact_id);
3046 // Look for an existing verb row
3047 // event participation are essentially radio toggles. If you make a subsequent choice,
3048 // we need to eradicate your first choice.
3049 if ($event_verb_flag) {
3050 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
3052 // Translate to the index based activity index
3054 foreach ($verbs as $verb) {
3055 $activities[] = self::activityToIndex($verb);
3058 $activities = self::activityToIndex($activity);
3061 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
3062 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
3064 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
3066 // If it exists, mark it as deleted
3067 if (DBA::isResult($like_item)) {
3068 self::deleteById($like_item['id']);
3070 if (!$event_verb_flag || $like_item['verb'] == $activity) {
3075 // Verb is "un-something", just trying to delete existing entries
3076 if (strpos($verb, 'un') === 0) {
3080 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
3083 'guid' => System::createGUID(32),
3084 'uri' => self::newURI($item['uid']),
3085 'uid' => $item['uid'],
3086 'contact-id' => $item_contact_id,
3087 'wall' => $item['wall'],
3089 'network' => Protocol::DFRN,
3090 'gravity' => GRAVITY_ACTIVITY,
3091 'parent' => $item['id'],
3092 'parent-uri' => $item['uri'],
3093 'thr-parent' => $item['uri'],
3094 'owner-id' => $item['owner-id'],
3095 'author-id' => $author_id,
3096 'body' => $activity,
3097 'verb' => $activity,
3098 'object-type' => $objtype,
3099 'allow_cid' => $item['allow_cid'],
3100 'allow_gid' => $item['allow_gid'],
3101 'deny_cid' => $item['deny_cid'],
3102 'deny_gid' => $item['deny_gid'],
3107 $new_item_id = self::insert($new_item);
3109 // If the parent item isn't visible then set it to visible
3110 if (!$item['visible']) {
3111 self::update(['visible' => true], ['id' => $item['id']]);
3114 // Save the author information for the like in case we need to relay to Diaspora
3115 Diaspora::storeLikeSignature($item_contact, $new_item_id);
3117 $new_item['id'] = $new_item_id;
3119 Addon::callHooks('post_local_end', $new_item);
3121 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
3126 private static function addThread($itemid, $onlyshadow = false)
3128 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3129 'moderated', 'visible', 'starred', 'contact-id', 'post-type',
3130 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3131 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3132 $item = self::selectFirst($fields, $condition);
3134 if (!DBA::isResult($item)) {
3138 $item['iid'] = $itemid;
3141 $result = DBA::insert('thread', $item);
3143 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3147 private static function updateThread($itemid, $setmention = false)
3149 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'post-type',
3150 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'contact-id',
3151 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3152 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3154 $item = self::selectFirst($fields, $condition);
3155 if (!DBA::isResult($item)) {
3160 $item["mention"] = 1;
3167 foreach ($item as $field => $data) {
3168 if (!in_array($field, ["guid"])) {
3169 $fields[$field] = $data;
3173 $result = DBA::update('thread', $fields, ['iid' => $itemid]);
3175 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
3178 private static function deleteThread($itemid, $itemuri = "")
3180 $item = DBA::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3181 if (!DBA::isResult($item)) {
3182 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
3186 $result = DBA::delete('thread', ['iid' => $itemid], ['cascade' => false]);
3188 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3190 if ($itemuri != "") {
3191 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3192 if (!self::exists($condition)) {
3193 DBA::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3194 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);