4 * @file src/Model/Item.php
7 namespace Friendica\Model;
10 use Friendica\BaseObject;
11 use Friendica\Content\Text;
12 use Friendica\Core\Addon;
13 use Friendica\Core\Config;
14 use Friendica\Core\L10n;
15 use Friendica\Core\Lock;
16 use Friendica\Core\PConfig;
17 use Friendica\Core\System;
18 use Friendica\Core\Worker;
19 use Friendica\Database\DBM;
20 use Friendica\Object\Image;
21 use Friendica\Protocol\Diaspora;
22 use Friendica\Protocol\OStatus;
23 use Friendica\Util\DateTimeFormat;
24 use Friendica\Util\XML;
25 use Text_LanguageDetect;
27 require_once 'boot.php';
28 require_once 'include/items.php';
29 require_once 'include/text.php';
31 class Item extends BaseObject
33 // Field list that is used to display the items
34 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
35 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
36 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
37 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
38 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
39 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
40 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
41 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
42 'writable', 'self', 'cid', 'alias',
43 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
44 'event-summary', 'event-desc', 'event-location', 'event-type',
45 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
47 // Field list that is used to deliver items via the protocols
48 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
49 'created', 'edited', 'verb', 'object-type', 'object', 'target',
50 'private', 'title', 'body', 'location', 'coord', 'app',
51 'attach', 'tag', 'bookmark', 'deleted', 'extid',
52 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
53 'author-id', 'author-link', 'owner-link', 'contact-uid',
54 'signed_text', 'signature', 'signer', 'network'];
56 // Field list for "item-content" table that is mixed with the item table
57 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
58 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
59 'object-type', 'object', 'target-type', 'target', 'plink'];
61 // Field list for "item-content" table that is not present in the "item" table
62 const CONTENT_FIELDLIST = ['language'];
64 // All fields in the item table
65 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
66 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid',
67 'created', 'edited', 'commented', 'received', 'changed', 'verb',
68 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
69 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
70 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
71 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
72 'title', 'content-warning', 'body', 'location', 'coord', 'app',
73 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
74 'author-id', 'author-link', 'author-name', 'author-avatar',
75 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
77 // Never reorder or remove entries from this list. Just add new ones at the end, if needed.
78 // The item-activity table only stores the index and needs this array to know the matching activity.
79 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
81 private static $legacy_mode = null;
83 public static function isLegacyMode()
85 if (is_null(self::$legacy_mode)) {
86 self::$legacy_mode = (Config::get("system", "post_update_version") < 1276);
89 return self::$legacy_mode;
93 * @brief returns an activity index from an activity string
95 * @param string $activity activity string
96 * @return integer Activity index
98 private static function activityToIndex($activity)
100 $index = array_search($activity, self::ACTIVITIES);
102 if (is_bool($index)) {
110 * @brief returns an activity string from an activity index
112 * @param integer $index activity index
113 * @return string Activity string
115 private static function indexToActivity($index)
117 if (is_null($index) || !array_key_exists($index, self::ACTIVITIES)) {
121 return self::ACTIVITIES[$index];
125 * @brief Fetch a single item row
127 * @param mixed $stmt statement object
128 * @return array current row
130 public static function fetch($stmt)
132 $row = dba::fetch($stmt);
138 // ---------------------- Transform item structure data ----------------------
140 // We prefer the data from the user's contact over the public one
141 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
142 ($row['author-link'] == $row['contact-link'])) {
143 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
144 $row['author-avatar'] = $row['contact-avatar'];
146 if (isset($row['author-name']) && !empty($row['contact-name'])) {
147 $row['author-name'] = $row['contact-name'];
151 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
152 ($row['owner-link'] == $row['contact-link'])) {
153 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
154 $row['owner-avatar'] = $row['contact-avatar'];
156 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
157 $row['owner-name'] = $row['contact-name'];
161 // We can always comment on posts from these networks
162 if (array_key_exists('writable', $row) &&
163 in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
164 $row['writable'] = true;
167 // ---------------------- Transform item content data ----------------------
169 // Fetch data from the item-content table whenever there is content there
170 if (self::isLegacyMode()) {
171 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
172 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
173 $row[$field] = $row['internal-item-' . $field];
175 unset($row['internal-item-' . $field]);
179 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
180 $row['verb'] = self::indexToActivity($row['internal-activity']);
181 if (array_key_exists('title', $row)) {
184 if (array_key_exists('body', $row)) {
185 $row['body'] = $row['verb'];
187 if (array_key_exists('object', $row)) {
190 if (array_key_exists('object-type', $row)) {
191 $row['object-type'] = ACTIVITY_OBJ_NOTE;
193 } elseif (array_key_exists('verb', $row) && in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
194 // Posts don't have an object or target - but having tags or files.
195 // We safe some performance by building tag and file strings only here.
196 // We remove object and target since they aren't used for this type.
197 if (array_key_exists('object', $row)) {
200 if (array_key_exists('target', $row)) {
205 if (!array_key_exists('verb', $row) || in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
206 // Build the tag string out of the term entries
207 if (array_key_exists('tag', $row) && empty($row['tag'])) {
208 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
211 // Build the file string out of the term entries
212 if (array_key_exists('file', $row) && empty($row['file'])) {
213 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
217 // Remove internal fields
218 unset($row['internal-activity']);
219 unset($row['internal-network']);
220 unset($row['internal-iid']);
221 unset($row['internal-iaid']);
222 unset($row['internal-icid']);
228 * @brief Fills an array with data from an item query
230 * @param object $stmt statement object
231 * @return array Data array
233 public static function inArray($stmt, $do_close = true) {
234 if (is_bool($stmt)) {
239 while ($row = self::fetch($stmt)) {
249 * @brief Check if item data exists
251 * @param array $condition array of fields for condition
253 * @return boolean Are there rows for that condition?
255 public static function exists($condition) {
256 $stmt = self::select(['id'], $condition, ['limit' => 1]);
258 if (is_bool($stmt)) {
261 $retval = (dba::num_rows($stmt) > 0);
270 * Retrieve a single record from the item table for a given user and returns it in an associative array
272 * @brief Retrieve a single record from a table
273 * @param integer $uid User ID
274 * @param array $fields
275 * @param array $condition
276 * @param array $params
280 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
282 $params['uid'] = $uid;
284 if (empty($selected)) {
285 $selected = Item::DISPLAY_FIELDLIST;
288 return self::selectFirst($selected, $condition, $params);
292 * @brief Select rows from the item table for a given user
294 * @param integer $uid User ID
295 * @param array $selected Array of selected fields, empty for all
296 * @param array $condition Array of fields for condition
297 * @param array $params Array of several parameters
299 * @return boolean|object
301 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
303 $params['uid'] = $uid;
305 if (empty($selected)) {
306 $selected = Item::DISPLAY_FIELDLIST;
309 return self::select($selected, $condition, $params);
313 * Retrieve a single record from the item table and returns it in an associative array
315 * @brief Retrieve a single record from a table
316 * @param array $fields
317 * @param array $condition
318 * @param array $params
322 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
324 $params['limit'] = 1;
326 $result = self::select($fields, $condition, $params);
328 if (is_bool($result)) {
331 $row = self::fetch($result);
338 * @brief Select rows from the item table
340 * @param array $selected Array of selected fields, empty for all
341 * @param array $condition Array of fields for condition
342 * @param array $params Array of several parameters
344 * @return boolean|object
346 public static function select(array $selected = [], array $condition = [], $params = [])
351 if (isset($params['uid'])) {
352 $uid = $params['uid'];
356 $fields = self::fieldlist($selected);
358 $select_fields = self::constructSelectFields($fields, $selected);
360 $condition_string = dba::buildCondition($condition);
362 $condition_string = self::addTablesToFields($condition_string, $fields);
365 $condition_string = $condition_string . ' AND ' . self::condition(false);
368 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
370 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
372 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
374 return dba::p($sql, $condition);
378 * @brief Select rows from the starting post in the item table
380 * @param integer $uid User ID
381 * @param array $fields Array of selected fields, empty for all
382 * @param array $condition Array of fields for condition
383 * @param array $params Array of several parameters
385 * @return boolean|object
387 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
389 $params['uid'] = $uid;
391 if (empty($selected)) {
392 $selected = Item::DISPLAY_FIELDLIST;
395 return self::selectThread($selected, $condition, $params);
399 * Retrieve a single record from the starting post in the item table and returns it in an associative array
401 * @brief Retrieve a single record from a table
402 * @param integer $uid User ID
403 * @param array $selected
404 * @param array $condition
405 * @param array $params
409 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
411 $params['uid'] = $uid;
413 if (empty($selected)) {
414 $selected = Item::DISPLAY_FIELDLIST;
417 return self::selectFirstThread($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 array $fields
425 * @param array $condition
426 * @param array $params
430 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
432 $params['limit'] = 1;
433 $result = self::selectThread($fields, $condition, $params);
435 if (is_bool($result)) {
438 $row = self::fetch($result);
445 * @brief Select rows from the starting post in the item table
447 * @param array $selected Array of selected fields, empty for all
448 * @param array $condition Array of fields for condition
449 * @param array $params Array of several parameters
451 * @return boolean|object
453 public static function selectThread(array $selected = [], array $condition = [], $params = [])
458 if (isset($params['uid'])) {
459 $uid = $params['uid'];
463 $fields = self::fieldlist($selected);
465 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
466 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
467 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
468 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
470 $select_fields = self::constructSelectFields($fields, $selected);
472 $condition_string = dba::buildCondition($condition);
474 $condition_string = self::addTablesToFields($condition_string, $threadfields);
475 $condition_string = self::addTablesToFields($condition_string, $fields);
478 $condition_string = $condition_string . ' AND ' . self::condition(true);
481 $param_string = dba::buildParameter($params);
482 $param_string = self::addTablesToFields($param_string, $threadfields);
483 $param_string = self::addTablesToFields($param_string, $fields);
485 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
487 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
489 return dba::p($sql, $condition);
493 * @brief Returns a list of fields that are associated with the item table
495 * @return array field list
497 private static function fieldlist($selected)
501 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
502 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
503 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
504 'resource-id', 'event-id', 'tag', 'attach', 'inform',
505 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
506 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
507 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
508 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
509 'network' => 'internal-network', 'icid' => 'internal-icid',
510 'iaid' => 'internal-iaid'];
512 $fields['item-activity'] = ['activity', 'activity' => 'internal-activity'];
514 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
516 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
517 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
519 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
520 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
522 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
523 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
524 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
526 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
528 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
530 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
531 'start' => 'event-start','finish' => 'event-finish',
532 'summary' => 'event-summary','desc' => 'event-desc',
533 'location' => 'event-location', 'type' => 'event-type',
534 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
535 'ignore' => 'event-ignore', 'id' => 'event-id'];
537 $fields['sign'] = ['signed_text', 'signature', 'signer'];
543 * @brief Returns SQL condition for the "select" functions
545 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
547 * @return string SQL condition
549 private static function condition($thread_mode)
552 $master_table = "`thread`";
554 $master_table = "`item`";
556 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
560 * @brief Returns all needed "JOIN" commands for the "select" functions
562 * @param integer $uid User ID
563 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
564 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
566 * @return string The SQL joins for the "select" functions
568 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
571 $master_table = "`thread`";
572 $master_table_key = "`thread`.`iid`";
573 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
575 $master_table = "`item`";
576 $master_table_key = "`item`.`id`";
581 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
582 AND NOT `contact`.`blocked`
583 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
584 OR `contact`.`self` OR `item`.`gravity` != %d OR `contact`.`uid` = 0)
585 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
586 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
587 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
588 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, GRAVITY_PARENT, intval($uid));
590 if (strpos($sql_commands, "`contact`.") !== false) {
591 $joins .= "LEFT JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
593 if (strpos($sql_commands, "`author`.") !== false) {
594 $joins .= " LEFT JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
596 if (strpos($sql_commands, "`owner`.") !== false) {
597 $joins .= " LEFT JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
601 if (strpos($sql_commands, "`group_member`.") !== false) {
602 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
605 if (strpos($sql_commands, "`user`.") !== false) {
606 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
609 if (strpos($sql_commands, "`event`.") !== false) {
610 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
613 if (strpos($sql_commands, "`sign`.") !== false) {
614 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
617 if (strpos($sql_commands, "`item-activity`.") !== false) {
618 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
621 if (strpos($sql_commands, "`item-content`.") !== false) {
622 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
625 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
626 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
629 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
630 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
637 * @brief Add the field list for the "select" functions
639 * @param array $fields The field definition array
640 * @param array $selected The array with the selected fields from the "select" functions
642 * @return string The field list
644 private static function constructSelectFields($fields, $selected)
646 if (!empty($selected)) {
647 $selected[] = 'internal-iid';
648 $selected[] = 'internal-iaid';
649 $selected[] = 'internal-icid';
650 $selected[] = 'internal-network';
653 if (in_array('verb', $selected)) {
654 $selected[] = 'internal-activity';
658 foreach ($fields as $table => $table_fields) {
659 foreach ($table_fields as $field => $select) {
660 if (empty($selected) || in_array($select, $selected)) {
661 if (self::isLegacyMode() && in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
662 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
664 if (is_int($field)) {
665 $selection[] = "`" . $table . "`.`" . $select . "`";
667 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
672 return implode(", ", $selection);
676 * @brief add table definition to fields in an SQL query
678 * @param string $query SQL query
679 * @param array $fields The field definition array
681 * @return string the changed SQL query
683 private static function addTablesToFields($query, $fields)
685 foreach ($fields as $table => $table_fields) {
686 foreach ($table_fields as $alias => $field) {
687 if (is_int($alias)) {
688 $replace_field = $field;
690 $replace_field = $alias;
693 $search = "/([^\.])`" . $field . "`/i";
694 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
695 $query = preg_replace($search, $replace, $query);
702 * @brief Generate a server unique item hash for linking between the item tables
704 * @param string $uri Item URI
705 * @param date $created Item creation date
707 * @return string the item hash
709 private static function itemHash($uri, $created)
711 return round(strtotime($created) / 100) . hash('ripemd128', $uri);
715 * @brief Update existing item entries
717 * @param array $fields The fields that are to be changed
718 * @param array $condition The condition for finding the item entries
720 * In the future we may have to change permissions as well.
721 * Then we had to add the user id as third parameter.
723 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
725 * @return integer|boolean number of affected rows - or "false" if there was an error
727 public static function update(array $fields, array $condition)
729 if (empty($condition) || empty($fields)) {
733 // To ensure the data integrity we do it in an transaction
736 // We cannot simply expand the condition to check for origin entries
737 // The condition needn't to be a simple array but could be a complex condition.
738 // And we have to execute this query before the update to ensure to fetch the same data.
739 $items = dba::select('item', ['id', 'origin', 'uri', 'created', 'uri-hash', 'iaid', 'icid', 'tag', 'file'], $condition);
741 $content_fields = [];
742 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
743 if (isset($fields[$field])) {
744 $content_fields[$field] = $fields[$field];
745 if (in_array($field, self::CONTENT_FIELDLIST) || !self::isLegacyMode()) {
746 unset($fields[$field]);
748 $fields[$field] = null;
753 $author_owner_fields = ['author-name', 'author-avatar', 'author-link', 'owner-name', 'owner-avatar', 'owner-link'];
754 foreach ($author_owner_fields as $field) {
755 if (array_key_exists($field, $fields)) {
756 $fields[$field] = null;
760 if (array_key_exists('tag', $fields)) {
761 $tags = $fields['tag'];
762 $fields['tag'] = null;
767 if (array_key_exists('file', $fields)) {
768 $files = $fields['file'];
769 $fields['file'] = null;
774 if (!empty($fields)) {
775 $success = dba::update('item', $fields, $condition);
784 // When there is no content for the "old" item table, this will count the fetched items
785 $rows = dba::affected_rows();
787 while ($item = dba::fetch($items)) {
788 // This part here can safely be removed when the legacy fields in the item had been removed
789 if (empty($item['uri-hash']) && !empty($item['uri']) && !empty($item['created'])) {
791 // Fetch the uri-hash from an existing item entry if there is one
792 $item_condition = ["`uri` = ? AND `uri-hash` != ''", $item['uri']];
793 $existing = dba::selectfirst('item', ['uri-hash'], $item_condition);
794 if (DBM::is_result($existing)) {
795 $item['uri-hash'] = $existing['uri-hash'];
797 $item['uri-hash'] = self::itemHash($item['uri'], $item['created']);
800 dba::update('item', ['uri-hash' => $item['uri-hash']], ['id' => $item['id']]);
801 dba::update('item-activity', ['uri-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-hash` = ''", $item['uri']]);
802 dba::update('item-content', ['uri-plink-hash' => $item['uri-hash']], ["`uri` = ? AND `uri-plink-hash` = ''", $item['uri']]);
805 if (!empty($item['iaid']) || (!empty($content_fields['verb']) && (self::activityToIndex($content_fields['verb']) >= 0))) {
806 if (!empty($item['iaid'])) {
807 $update_condition = ['id' => $item['iaid']];
809 $update_condition = ['uri-hash' => $item['uri-hash']];
811 self::updateActivity($content_fields, $update_condition);
813 if (empty($item['iaid'])) {
814 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]);
815 if (DBM::is_result($item_activity)) {
816 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
817 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
818 if (self::isLegacyMode()) {
819 $item_fields[$field] = null;
821 unset($item_fields[$field]);
824 dba::update('item', $item_fields, ['id' => $item['id']]);
826 if (!empty($item['icid']) && !dba::exists('item', ['icid' => $item['icid']])) {
827 dba::delete('item-content', ['id' => $item['icid']]);
830 } elseif (!empty($item['icid'])) {
831 dba::update('item', ['icid' => null], ['id' => $item['id']]);
833 if (!dba::exists('item', ['icid' => $item['icid']])) {
834 dba::delete('item-content', ['id' => $item['icid']]);
838 if (!empty($item['icid'])) {
839 $update_condition = ['id' => $item['icid']];
841 $update_condition = ['uri-plink-hash' => $item['uri-hash']];
843 self::updateContent($content_fields, $update_condition);
845 if (empty($item['icid'])) {
846 $item_content = dba::selectFirst('item-content', [], ['uri-plink-hash' => $item['uri-hash']]);
847 if (DBM::is_result($item_content)) {
848 $item_fields = ['icid' => $item_content['id']];
849 // Clear all fields in the item table that have a content in the item-content table
850 foreach ($item_content as $field => $content) {
851 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
852 if (self::isLegacyMode()) {
853 $item_fields[$field] = null;
855 unset($item_fields[$field]);
859 dba::update('item', $item_fields, ['id' => $item['id']]);
865 Term::insertFromTagFieldByItemId($item['id'], $tags);
866 if (!empty($item['tag'])) {
867 dba::update('item', ['tag' => ''], ['id' => $item['id']]);
871 if (!empty($files)) {
872 Term::insertFromFileFieldByItemId($item['id'], $files);
873 if (!empty($item['file'])) {
874 dba::update('item', ['file' => ''], ['id' => $item['id']]);
878 self::updateThread($item['id']);
880 // We only need to notfiy others when it is an original entry from us.
881 // Only call the notifier when the item has some content relevant change.
882 if ($item['origin'] && in_array('edited', array_keys($fields))) {
883 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
893 * @brief Delete an item and notify others about it - if it was ours
895 * @param array $condition The condition for finding the item entries
896 * @param integer $priority Priority for the notification
898 public static function delete($condition, $priority = PRIORITY_HIGH)
900 $items = dba::select('item', ['id'], $condition);
901 while ($item = dba::fetch($items)) {
902 self::deleteById($item['id'], $priority);
908 * @brief Delete an item for an user and notify others about it - if it was ours
910 * @param array $condition The condition for finding the item entries
911 * @param integer $uid User who wants to delete this item
913 public static function deleteForUser($condition, $uid)
919 $items = dba::select('item', ['id', 'uid'], $condition);
920 while ($item = dba::fetch($items)) {
921 // "Deleting" global items just means hiding them
922 if ($item['uid'] == 0) {
923 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
924 } elseif ($item['uid'] == $uid) {
925 self::deleteById($item['id'], PRIORITY_HIGH);
927 logger('Wrong ownership. Not deleting item ' . $item['id']);
934 * @brief Delete an item and notify others about it - if it was ours
936 * @param integer $item_id Item ID that should be delete
937 * @param integer $priority Priority for the notification
939 * @return boolean success
941 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
943 // locate item to be deleted
944 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
945 'deleted', 'file', 'resource-id', 'event-id', 'attach',
946 'verb', 'object-type', 'object', 'target', 'contact-id'];
947 $item = self::selectFirst($fields, ['id' => $item_id]);
948 if (!DBM::is_result($item)) {
949 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
953 if ($item['deleted']) {
954 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
958 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
959 if (!DBM::is_result($parent)) {
960 $parent = ['origin' => false];
963 // clean up categories and tags so they don't end up as orphans
966 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
968 foreach ($matches as $mtch) {
969 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
975 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
977 foreach ($matches as $mtch) {
978 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
983 * If item is a link to a photo resource, nuke all the associated photos
984 * (visitors will not have photo resources)
985 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
986 * generate a resource-id and therefore aren't intimately linked to the item.
988 if (strlen($item['resource-id'])) {
989 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
992 // If item is a link to an event, delete the event.
993 if (intval($item['event-id'])) {
994 Event::delete($item['event-id']);
997 // If item has attachments, drop them
998 foreach (explode(", ", $item['attach']) as $attach) {
999 preg_match("|attach/(\d+)|", $attach, $matches);
1000 if (is_array($matches) && count($matches) > 1) {
1001 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
1005 // Delete tags that had been attached to other items
1006 self::deleteTagsFromItem($item);
1008 // Set the item to "deleted"
1009 // This erasing of item content is superfluous for items with a matching item-content.
1010 // But for the next time we will still have old content in the item table.
1011 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
1012 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
1013 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
1014 dba::update('item', $item_fields, ['id' => $item['id']]);
1016 Term::insertFromTagFieldByItemId($item['id'], '');
1017 Term::insertFromFileFieldByItemId($item['id'], '');
1018 self::deleteThread($item['id'], $item['parent-uri']);
1020 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
1021 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
1024 // If it's the parent of a comment thread, kill all the kids
1025 if ($item['id'] == $item['parent']) {
1026 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
1029 // Is it our comment and/or our thread?
1030 if ($item['origin'] || $parent['origin']) {
1032 // When we delete the original post we will delete all existing copies on the server as well
1033 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
1035 // send the notification upstream/downstream
1036 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
1037 } elseif ($item['uid'] != 0) {
1039 // When we delete just our local user copy of an item, we have to set a marker to hide it
1040 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
1041 if (DBM::is_result($global_item)) {
1042 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
1046 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
1051 private static function deleteTagsFromItem($item)
1053 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
1057 $xo = XML::parseString($item["object"], false);
1058 $xt = XML::parseString($item["target"], false);
1060 if ($xt->type != ACTIVITY_OBJ_NOTE) {
1064 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
1065 if (!DBM::is_result($i)) {
1069 // For tags, the owner cannot remove the tag on the author's copy of the post.
1070 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
1071 $author_copy = $item["origin"];
1073 if (($owner_remove && $author_copy) || !$owner_remove) {
1077 $tags = explode(',', $i["tag"]);
1080 foreach ($tags as $tag) {
1081 if (trim($tag) !== trim($xo->body)) {
1082 $newtags[] = trim($tag);
1086 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1089 private static function guid($item, $notify)
1091 if (!empty($item['guid'])) {
1092 return notags(trim($item['guid']));
1096 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1097 // We add the hash of our own host because our host is the original creator of the post.
1098 $prefix_host = get_app()->get_hostname();
1102 // We are only storing the post so we create a GUID from the original hostname.
1103 if (!empty($item['author-link'])) {
1104 $parsed = parse_url($item['author-link']);
1105 if (!empty($parsed['host'])) {
1106 $prefix_host = $parsed['host'];
1110 if (empty($prefix_host) && !empty($item['plink'])) {
1111 $parsed = parse_url($item['plink']);
1112 if (!empty($parsed['host'])) {
1113 $prefix_host = $parsed['host'];
1117 if (empty($prefix_host) && !empty($item['uri'])) {
1118 $parsed = parse_url($item['uri']);
1119 if (!empty($parsed['host'])) {
1120 $prefix_host = $parsed['host'];
1124 // Is it in the format data@host.tld? - Used for mail contacts
1125 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1126 $mailparts = explode('@', $item['author-link']);
1127 $prefix_host = array_pop($mailparts);
1131 if (!empty($item['plink'])) {
1132 $guid = self::guidFromUri($item['plink'], $prefix_host);
1133 } elseif (!empty($item['uri'])) {
1134 $guid = self::guidFromUri($item['uri'], $prefix_host);
1136 $guid = System::createGUID(32, hash('crc32', $prefix_host));
1142 private static function contactId($item)
1144 $contact_id = (int)$item["contact-id"];
1146 if (!empty($contact_id)) {
1149 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
1151 * First we are looking for a suitable contact that matches with the author of the post
1152 * This is done only for comments
1154 if ($item['parent-uri'] != $item['uri']) {
1155 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1158 // If not present then maybe the owner was found
1159 if ($contact_id == 0) {
1160 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1163 // Still missing? Then use the "self" contact of the current user
1164 if ($contact_id == 0) {
1165 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1166 if (DBM::is_result($self)) {
1167 $contact_id = $self["id"];
1170 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
1175 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1179 // If it is a posting where users should get notifications, then define it as wall posting
1182 $item['type'] = 'wall';
1183 $item['origin'] = 1;
1184 $item['network'] = NETWORK_DFRN;
1185 $item['protocol'] = PROTOCOL_DFRN;
1187 if (is_int($notify)) {
1188 $priority = $notify;
1190 $priority = PRIORITY_HIGH;
1193 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
1196 $item['guid'] = self::guid($item, $notify);
1197 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1199 // Store conversation data
1200 $item = Conversation::insert($item);
1203 * If a Diaspora signature structure was passed in, pull it out of the
1204 * item array and set it aside for later storage.
1208 if (x($item, 'dsprsig')) {
1209 $encoded_signature = $item['dsprsig'];
1210 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1211 unset($item['dsprsig']);
1214 if (!empty($item['diaspora_signed_text'])) {
1215 $diaspora_signed_text = $item['diaspora_signed_text'];
1216 unset($item['diaspora_signed_text']);
1218 $diaspora_signed_text = '';
1221 // Converting the plink
1222 /// @TODO Check if this is really still needed
1223 if ($item['network'] == NETWORK_OSTATUS) {
1224 if (isset($item['plink'])) {
1225 $item['plink'] = OStatus::convertHref($item['plink']);
1226 } elseif (isset($item['uri'])) {
1227 $item['plink'] = OStatus::convertHref($item['uri']);
1231 if (!empty($item['thr-parent'])) {
1232 $item['parent-uri'] = $item['thr-parent'];
1235 $item['type'] = defaults($item, 'type', 'remote');
1237 if (isset($item['gravity'])) {
1238 $item['gravity'] = intval($item['gravity']);
1239 } elseif ($item['parent-uri'] === $item['uri']) {
1240 $item['gravity'] = GRAVITY_PARENT;
1241 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1242 $item['gravity'] = GRAVITY_COMMENT;
1243 } elseif ($item['type'] == 'activity') {
1244 $item['gravity'] = GRAVITY_ACTIVITY;
1246 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1247 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
1250 $uid = intval($item['uid']);
1252 // check for create date and expire time
1253 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1255 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1256 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1257 $expire_interval = $user['expire'];
1260 if (($expire_interval > 0) && !empty($item['created'])) {
1261 $expire_date = time() - ($expire_interval * 86400);
1262 $created_date = strtotime($item['created']);
1263 if ($created_date < $expire_date) {
1264 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1270 * Do we already have this item?
1271 * We have to check several networks since Friendica posts could be repeated
1272 * via OStatus (maybe Diasporsa as well)
1274 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1275 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1276 trim($item['uri']), $item['uid'],
1277 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1278 $existing = self::selectFirst(['id', 'network'], $condition);
1279 if (DBM::is_result($existing)) {
1280 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1282 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1285 return $existing["id"];
1289 // Ensure to always have the same creation date.
1290 $existing = dba::selectfirst('item', ['created', 'uri-hash'], ['uri' => $item['uri']]);
1291 if (DBM::is_result($existing)) {
1292 $item['created'] = $existing['created'];
1293 $item['uri-hash'] = $existing['uri-hash'];
1296 self::addLanguageToItemArray($item);
1298 $item['wall'] = intval(defaults($item, 'wall', 0));
1299 $item['extid'] = trim(defaults($item, 'extid', ''));
1300 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1301 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1302 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1303 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1304 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1305 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1306 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1307 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1308 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1309 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1310 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1311 $item['title'] = trim(defaults($item, 'title', ''));
1312 $item['location'] = trim(defaults($item, 'location', ''));
1313 $item['coord'] = trim(defaults($item, 'coord', ''));
1314 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1315 $item['deleted'] = 0;
1316 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1317 $item['verb'] = trim(defaults($item, 'verb', ''));
1318 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1319 $item['object'] = trim(defaults($item, 'object', ''));
1320 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1321 $item['target'] = trim(defaults($item, 'target', ''));
1322 $item['plink'] = trim(defaults($item, 'plink', ''));
1323 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1324 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1325 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1326 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1327 $item['private'] = intval(defaults($item, 'private', 0));
1328 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1329 $item['body'] = trim(defaults($item, 'body', ''));
1330 $item['tag'] = trim(defaults($item, 'tag', ''));
1331 $item['attach'] = trim(defaults($item, 'attach', ''));
1332 $item['app'] = trim(defaults($item, 'app', ''));
1333 $item['origin'] = intval(defaults($item, 'origin', 0));
1334 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1335 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1336 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1337 $item['inform'] = trim(defaults($item, 'inform', ''));
1338 $item['file'] = trim(defaults($item, 'file', ''));
1340 // Unique identifier to be linked against item-activities and item-content
1341 $item['uri-hash'] = defaults($item, 'uri-hash', self::itemHash($item['uri'], $item['created']));
1343 // When there is no content then we don't post it
1344 if ($item['body'].$item['title'] == '') {
1345 logger('No body, no title.');
1349 // Items cannot be stored before they happen ...
1350 if ($item['created'] > DateTimeFormat::utcNow()) {
1351 $item['created'] = DateTimeFormat::utcNow();
1354 // We haven't invented time travel by now.
1355 if ($item['edited'] > DateTimeFormat::utcNow()) {
1356 $item['edited'] = DateTimeFormat::utcNow();
1359 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1361 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1362 $item["contact-id"] = self::contactId($item);
1364 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1365 'photo' => $item['author-avatar'], 'network' => $item['network']];
1367 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1369 if (Contact::isBlocked($item["author-id"])) {
1370 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1374 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1375 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1377 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1379 if (Contact::isBlocked($item["owner-id"])) {
1380 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1384 // These fields aren't stored anymore in the item table, they are fetched upon request
1385 unset($item['author-link']);
1386 unset($item['author-name']);
1387 unset($item['author-avatar']);
1389 unset($item['owner-link']);
1390 unset($item['owner-name']);
1391 unset($item['owner-avatar']);
1393 if ($item['network'] == NETWORK_PHANTOM) {
1394 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1396 $item['network'] = NETWORK_DFRN;
1397 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1400 // Checking if there is already an item with the same guid
1401 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1402 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1403 if (self::exists($condition)) {
1404 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1408 // Check for hashtags in the body and repair or add hashtag links
1409 self::setHashtags($item);
1411 $item['thr-parent'] = $item['parent-uri'];
1419 if ($item['parent-uri'] === $item['uri']) {
1421 $parent_deleted = 0;
1422 $allow_cid = $item['allow_cid'];
1423 $allow_gid = $item['allow_gid'];
1424 $deny_cid = $item['deny_cid'];
1425 $deny_gid = $item['deny_gid'];
1426 $notify_type = 'wall-new';
1428 // find the parent and snarf the item id and ACLs
1429 // and anything else we need to inherit
1431 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1432 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1433 'wall', 'private', 'forum_mode', 'origin'];
1434 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1435 $params = ['order' => ['id' => false]];
1436 $parent = self::selectFirst($fields, $condition, $params);
1438 if (DBM::is_result($parent)) {
1439 // is the new message multi-level threaded?
1440 // even though we don't support it now, preserve the info
1441 // and re-attach to the conversation parent.
1443 if ($parent['uri'] != $parent['parent-uri']) {
1444 $item['parent-uri'] = $parent['parent-uri'];
1446 $condition = ['uri' => $item['parent-uri'],
1447 'parent-uri' => $item['parent-uri'],
1448 'uid' => $item['uid']];
1449 $params = ['order' => ['id' => false]];
1450 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1452 if (DBM::is_result($toplevel_parent)) {
1453 $parent = $toplevel_parent;
1457 $parent_id = $parent['id'];
1458 $parent_deleted = $parent['deleted'];
1459 $allow_cid = $parent['allow_cid'];
1460 $allow_gid = $parent['allow_gid'];
1461 $deny_cid = $parent['deny_cid'];
1462 $deny_gid = $parent['deny_gid'];
1463 $item['wall'] = $parent['wall'];
1464 $notify_type = 'comment-new';
1467 * If the parent is private, force privacy for the entire conversation
1468 * This differs from the above settings as it subtly allows comments from
1469 * email correspondents to be private even if the overall thread is not.
1471 if ($parent['private']) {
1472 $item['private'] = $parent['private'];
1476 * Edge case. We host a public forum that was originally posted to privately.
1477 * The original author commented, but as this is a comment, the permissions
1478 * weren't fixed up so it will still show the comment as private unless we fix it here.
1480 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1481 $item['private'] = 0;
1484 // If its a post from myself then tag the thread as "mention"
1485 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1486 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1487 if (DBM::is_result($user)) {
1488 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1489 $self_id = Contact::getIdForURL($self, 0, true);
1490 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1491 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1492 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1493 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1498 * Allow one to see reply tweets from status.net even when
1499 * we don't have or can't see the original post.
1501 if ($force_parent) {
1502 logger('$force_parent=true, reply converted to top-level post.');
1504 $item['parent-uri'] = $item['uri'];
1505 $item['gravity'] = GRAVITY_PARENT;
1507 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1511 $parent_deleted = 0;
1515 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1516 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1517 if (self::exists($condition)) {
1518 logger('duplicated item with the same uri found. '.print_r($item,true));
1522 // On Friendica and Diaspora the GUID is unique
1523 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1524 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1525 if (self::exists($condition)) {
1526 logger('duplicated item with the same guid found. '.print_r($item,true));
1530 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1531 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1532 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1533 if (self::exists($condition)) {
1534 logger('duplicated item with the same body found. '.print_r($item,true));
1539 // Is this item available in the global items (with uid=0)?
1540 if ($item["uid"] == 0) {
1541 $item["global"] = true;
1543 // Set the global flag on all items if this was a global item entry
1544 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1546 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1550 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1553 $private = $item['private'];
1556 $item["allow_cid"] = $allow_cid;
1557 $item["allow_gid"] = $allow_gid;
1558 $item["deny_cid"] = $deny_cid;
1559 $item["deny_gid"] = $deny_gid;
1560 $item["private"] = $private;
1561 $item["deleted"] = $parent_deleted;
1563 // Fill the cache field
1564 put_item_in_cache($item);
1567 $item['edit'] = false;
1568 $item['parent'] = $parent_id;
1569 Addon::callHooks('post_local', $item);
1570 unset($item['edit']);
1571 unset($item['parent']);
1573 Addon::callHooks('post_remote', $item);
1576 // This array field is used to trigger some automatic reactions
1577 // It is mainly used in the "post_local" hook.
1578 unset($item['api_source']);
1580 if (x($item, 'cancel')) {
1581 logger('post cancelled by addon.');
1586 * Check for already added items.
1587 * There is a timing issue here that sometimes creates double postings.
1588 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1590 if ($item["uid"] == 0) {
1591 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1592 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1597 logger('' . print_r($item,true), LOGGER_DATA);
1599 if (array_key_exists('tag', $item)) {
1600 $tags = $item['tag'];
1601 unset($item['tag']);
1606 if (array_key_exists('file', $item)) {
1607 $files = $item['file'];
1608 unset($item['file']);
1613 // We are doing this outside of the transaction to avoid timing problems
1614 if (!self::insertActivity($item)) {
1615 self::insertContent($item);
1619 $ret = dba::insert('item', $item);
1621 // When the item was successfully stored we fetch the ID of the item.
1622 if (DBM::is_result($ret)) {
1623 $current_post = dba::lastInsertId();
1625 // This can happen - for example - if there are locking timeouts.
1628 // Store the data into a spool file so that we can try again later.
1630 // At first we restore the Diaspora signature that we removed above.
1631 if (isset($encoded_signature)) {
1632 $item['dsprsig'] = $encoded_signature;
1635 // Now we store the data in the spool directory
1636 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1637 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1639 $spoolpath = get_spoolpath();
1640 if ($spoolpath != "") {
1641 $spool = $spoolpath.'/'.$file;
1642 file_put_contents($spool, json_encode($item));
1643 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1648 if ($current_post == 0) {
1649 // This is one of these error messages that never should occur.
1650 logger("couldn't find created item - we better quit now.");
1655 // How much entries have we created?
1656 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1657 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1660 // There are duplicates. We delete our just created entry.
1661 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1663 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1664 dba::delete('item', ['id' => $current_post]);
1667 } elseif ($entries == 0) {
1668 // This really should never happen since we quit earlier if there were problems.
1669 logger("Something is terribly wrong. We haven't found our created entry.");
1674 logger('created item '.$current_post);
1675 self::updateContact($item);
1677 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1678 $parent_id = $current_post;
1682 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1684 $item['id'] = $current_post;
1685 $item['parent'] = $parent_id;
1687 // update the commented timestamp on the parent
1688 // Only update "commented" if it is really a comment
1689 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1690 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1692 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1697 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1698 * We can check for this condition when we decode and encode the stuff again.
1700 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1701 $dsprsig->signature = base64_decode($dsprsig->signature);
1702 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1705 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1706 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1709 if (!empty($diaspora_signed_text)) {
1710 // Formerly we stored the signed text, the signature and the author in different fields.
1711 // We now store the raw data so that we are more flexible.
1712 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1715 $deleted = self::tagDeliver($item['uid'], $current_post);
1718 * current post can be deleted if is for a community page and no mention are
1721 if (!$deleted && !$dontcache) {
1722 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1723 if (DBM::is_result($posted_item)) {
1725 Addon::callHooks('post_local_end', $posted_item);
1727 Addon::callHooks('post_remote_end', $posted_item);
1730 logger('new item not found in DB, id ' . $current_post);
1734 if ($item['parent-uri'] === $item['uri']) {
1735 self::addThread($current_post);
1737 self::updateThread($parent_id);
1743 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1744 * This is not perfect - but a workable solution until we found the reason for the problem.
1746 if (!empty($tags)) {
1747 Term::insertFromTagFieldByItemId($current_post, $tags);
1750 if (!empty($files)) {
1751 Term::insertFromFileFieldByItemId($current_post, $files);
1754 if ($item['parent-uri'] === $item['uri']) {
1755 self::addShadow($current_post);
1757 self::addShadowPost($current_post);
1760 check_user_notification($current_post);
1763 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1764 } elseif (!empty($parent) && $parent['origin']) {
1765 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1768 return $current_post;
1772 * @brief Insert a new item content entry
1774 * @param array $item The item fields that are to be inserted
1776 private static function insertActivity(&$item)
1778 $activity_index = self::activityToIndex($item['verb']);
1780 if ($activity_index < 0) {
1784 $fields = ['uri' => $item['uri'], 'activity' => $activity_index,
1785 'uri-hash' => $item['uri-hash']];
1787 // We just remove everything that is content
1788 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1789 unset($item[$field]);
1792 // To avoid timing problems, we are using locks.
1793 $locked = Lock::acquire('item_insert_activity');
1795 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1798 // Do we already have this content?
1799 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri-hash' => $item['uri-hash']]);
1800 if (DBM::is_result($item_activity)) {
1801 $item['iaid'] = $item_activity['id'];
1802 logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1803 } elseif (dba::insert('item-activity', $fields)) {
1804 $item['iaid'] = dba::lastInsertId();
1805 logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1807 // This shouldn't happen.
1808 logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1812 Lock::release('item_insert_activity');
1818 * @brief Insert a new item content entry
1820 * @param array $item The item fields that are to be inserted
1822 private static function insertContent(&$item)
1824 $fields = ['uri' => $item['uri'], 'uri-plink-hash' => $item['uri-hash']];
1826 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1827 if (isset($item[$field])) {
1828 $fields[$field] = $item[$field];
1829 unset($item[$field]);
1833 // To avoid timing problems, we are using locks.
1834 $locked = Lock::acquire('item_insert_content');
1836 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1839 // Do we already have this content?
1840 $item_content = dba::selectFirst('item-content', ['id'], ['uri-plink-hash' => $item['uri-hash']]);
1841 if (DBM::is_result($item_content)) {
1842 $item['icid'] = $item_content['id'];
1843 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1844 } elseif (dba::insert('item-content', $fields)) {
1845 $item['icid'] = dba::lastInsertId();
1846 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1848 // This shouldn't happen.
1849 logger('Could not insert content for URI ' . $item['uri'] . ' - should not happen');
1852 Lock::release('item_insert_content');
1857 * @brief Update existing item content entries
1859 * @param array $item The item fields that are to be changed
1860 * @param array $condition The condition for finding the item content entries
1862 private static function updateActivity($item, $condition)
1864 if (empty($item['verb'])) {
1867 $activity_index = self::activityToIndex($item['verb']);
1869 if ($activity_index < 0) {
1873 $fields = ['activity' => $activity_index];
1875 logger('Update activity for ' . json_encode($condition));
1877 dba::update('item-activity', $fields, $condition, true);
1883 * @brief Update existing item content entries
1885 * @param array $item The item fields that are to be changed
1886 * @param array $condition The condition for finding the item content entries
1888 private static function updateContent($item, $condition)
1890 // We have to select only the fields from the "item-content" table
1892 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1893 if (isset($item[$field])) {
1894 $fields[$field] = $item[$field];
1898 if (empty($fields)) {
1899 // when there are no fields at all, just use the condition
1900 // This is to ensure that we always store content.
1901 $fields = $condition;
1904 logger('Update content for ' . json_encode($condition));
1906 dba::update('item-content', $fields, $condition, true);
1910 * @brief Distributes public items to the receivers
1912 * @param integer $itemid Item ID that should be added
1913 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1915 public static function distribute($itemid, $signed_text = '')
1917 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1918 $parent = self::selectFirst(['owner-id'], $condition);
1919 if (!DBM::is_result($parent)) {
1923 // Only distribute public items from native networks
1924 $condition = ['id' => $itemid, 'uid' => 0,
1925 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1926 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1927 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1928 if (!DBM::is_result($item)) {
1932 $origin = $item['origin'];
1935 unset($item['parent']);
1936 unset($item['mention']);
1937 unset($item['wall']);
1938 unset($item['origin']);
1939 unset($item['starred']);
1943 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1944 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1945 $contacts = dba::select('contact', ['uid'], $condition);
1946 while ($contact = dba::fetch($contacts)) {
1947 $users[$contact['uid']] = $contact['uid'];
1952 if ($item['uri'] != $item['parent-uri']) {
1953 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1954 while ($parent = dba::fetch($parents)) {
1955 $users[$parent['uid']] = $parent['uid'];
1956 if ($parent['origin'] && !$origin) {
1957 $origin_uid = $parent['uid'];
1962 foreach ($users as $uid) {
1963 if ($origin_uid == $uid) {
1964 $item['diaspora_signed_text'] = $signed_text;
1966 self::storeForUser($itemid, $item, $uid);
1971 * @brief Store public items for the receivers
1973 * @param integer $itemid Item ID that should be added
1974 * @param array $item The item entry that will be stored
1975 * @param integer $uid The user that will receive the item entry
1977 private static function storeForUser($itemid, $item, $uid)
1979 $item['uid'] = $uid;
1980 $item['origin'] = 0;
1982 if ($item['uri'] == $item['parent-uri']) {
1983 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1985 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1988 if (empty($item['contact-id'])) {
1989 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1990 if (!DBM::is_result($self)) {
1993 $item['contact-id'] = $self['id'];
1996 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1997 $item['type'] = 'remote-comment';
1998 } elseif ($item['type'] == 'wall') {
1999 $item['type'] = 'remote';
2002 /// @todo Handling of "event-id"
2005 if ($item['uri'] == $item['parent-uri']) {
2006 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
2007 if (DBM::is_result($contact)) {
2008 $notify = self::isRemoteSelf($contact, $item);
2012 $distributed = self::insert($item, false, $notify, true);
2014 if (!$distributed) {
2015 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
2017 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
2022 * @brief Add a shadow entry for a given item id that is a thread starter
2024 * We store every public item entry additionally with the user id "0".
2025 * This is used for the community page and for the search.
2026 * It is planned that in the future we will store public item entries only once.
2028 * @param integer $itemid Item ID that should be added
2030 public static function addShadow($itemid)
2032 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
2033 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
2034 $item = self::selectFirst($fields, $condition);
2036 if (!DBM::is_result($item)) {
2040 // is it already a copy?
2041 if (($itemid == 0) || ($item['uid'] == 0)) {
2045 // Is it a visible public post?
2046 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
2050 // is it an entry from a connector? Only add an entry for natively connected networks
2051 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
2055 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2059 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2061 if (DBM::is_result($item)) {
2062 // Preparing public shadow (removing user specific data)
2065 unset($item['parent']);
2066 unset($item['wall']);
2067 unset($item['mention']);
2068 unset($item['origin']);
2069 unset($item['starred']);
2070 if ($item['uri'] == $item['parent-uri']) {
2071 $item['contact-id'] = $item['owner-id'];
2073 $item['contact-id'] = $item['author-id'];
2076 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2077 $item['type'] = 'remote-comment';
2078 } elseif ($item['type'] == 'wall') {
2079 $item['type'] = 'remote';
2082 $public_shadow = self::insert($item, false, false, true);
2084 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
2089 * @brief Add a shadow entry for a given item id that is a comment
2091 * This function does the same like the function above - but for comments
2093 * @param integer $itemid Item ID that should be added
2095 public static function addShadowPost($itemid)
2097 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2098 if (!DBM::is_result($item)) {
2102 // Is it a toplevel post?
2103 if ($item['id'] == $item['parent']) {
2104 self::addShadow($itemid);
2108 // Is this a shadow entry?
2109 if ($item['uid'] == 0) {
2113 // Is there a shadow parent?
2114 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2118 // Is there already a shadow entry?
2119 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2123 // Save "origin" and "parent" state
2124 $origin = $item['origin'];
2125 $parent = $item['parent'];
2127 // Preparing public shadow (removing user specific data)
2130 unset($item['parent']);
2131 unset($item['wall']);
2132 unset($item['mention']);
2133 unset($item['origin']);
2134 unset($item['starred']);
2135 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2137 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2138 $item['type'] = 'remote-comment';
2139 } elseif ($item['type'] == 'wall') {
2140 $item['type'] = 'remote';
2143 $public_shadow = self::insert($item, false, false, true);
2145 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
2147 // If this was a comment to a Diaspora post we don't get our comment back.
2148 // This means that we have to distribute the comment by ourselves.
2149 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
2150 self::distribute($public_shadow);
2155 * Adds a language specification in a "language" element of given $arr.
2156 * Expects "body" element to exist in $arr.
2158 private static function addLanguageToItemArray(&$item)
2160 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
2162 $ld = new Text_LanguageDetect();
2163 $ld->setNameMode(2);
2164 $languages = $ld->detect($naked_body, 3);
2166 if (is_array($languages)) {
2167 $item['language'] = json_encode($languages);
2172 * @brief Creates an unique guid out of a given uri
2174 * @param string $uri uri of an item entry
2175 * @param string $host hostname for the GUID prefix
2176 * @return string unique guid
2178 public static function guidFromUri($uri, $host)
2180 // Our regular guid routine is using this kind of prefix as well
2181 // We have to avoid that different routines could accidentally create the same value
2182 $parsed = parse_url($uri);
2184 // We use a hash of the hostname as prefix for the guid
2185 $guid_prefix = hash("crc32", $host);
2187 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2188 unset($parsed["scheme"]);
2190 // Glue it together to be able to make a hash from it
2191 $host_id = implode("/", $parsed);
2193 // We could use any hash algorithm since it isn't a security issue
2194 $host_hash = hash("ripemd128", $host_id);
2196 return $guid_prefix.$host_hash;
2200 * generate an unique URI
2202 * @param integer $uid User id
2203 * @param string $guid An existing GUID (Otherwise it will be generated)
2207 public static function newURI($uid, $guid = "")
2210 $guid = System::createGUID(32);
2213 $hostname = self::getApp()->get_hostname();
2215 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
2217 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
2223 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2225 * This can be used to filter for inactive contacts.
2226 * Only do this for public postings to avoid privacy problems, since poco data is public.
2227 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2229 * @param array $arr Contains the just posted item record
2231 private static function updateContact($arr)
2233 // Unarchive the author
2234 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2235 if (DBM::is_result($contact)) {
2236 Contact::unmarkForArchival($contact);
2239 // Unarchive the contact if it's not our own contact
2240 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2241 if (DBM::is_result($contact)) {
2242 Contact::unmarkForArchival($contact);
2245 $update = (!$arr['private'] && ((defaults($arr, 'author-link', '') === defaults($arr, 'owner-link', '')) || ($arr["parent-uri"] === $arr["uri"])));
2247 // Is it a forum? Then we don't care about the rules from above
2248 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2249 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2255 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2256 ['id' => $arr['contact-id']]);
2258 // Now do the same for the system wide contacts with uid=0
2259 if (!$arr['private']) {
2260 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2261 ['id' => $arr['owner-id']]);
2263 if ($arr['owner-id'] != $arr['author-id']) {
2264 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2265 ['id' => $arr['author-id']]);
2270 public static function setHashtags(&$item)
2273 $tags = get_tags($item["body"]);
2276 if (!count($tags)) {
2280 // This sorting is important when there are hashtags that are part of other hashtags
2281 // Otherwise there could be problems with hashtags like #test and #test2
2284 $URLSearchString = "^\[\]";
2286 // All hashtags should point to the home server if "local_tags" is activated
2287 if (Config::get('system', 'local_tags')) {
2288 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2289 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2291 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2292 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2295 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2296 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2298 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2301 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2303 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2306 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2308 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2311 // Repair recursive urls
2312 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2313 "#$2", $item["body"]);
2315 foreach ($tags as $tag) {
2316 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2320 $basetag = str_replace('_',' ',substr($tag,1));
2322 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2324 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2326 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2327 if (strlen($item["tag"])) {
2328 $item["tag"] = ','.$item["tag"];
2330 $item["tag"] = $newtag.$item["tag"];
2334 // Convert back the masked hashtags
2335 $item["body"] = str_replace("#", "#", $item["body"]);
2338 public static function getGuidById($id)
2340 $item = self::selectFirst(['guid'], ['id' => $id]);
2341 if (DBM::is_result($item)) {
2342 return $item['guid'];
2348 public static function getIdAndNickByGuid($guid, $uid = 0)
2354 $uid == local_user();
2357 // Does the given user have this item?
2359 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2360 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2361 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2362 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2363 if (DBM::is_result($item)) {
2365 $nick = $item["nickname"];
2369 // Or is it anywhere on the server?
2371 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2372 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2373 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2374 AND NOT `item`.`private` AND `item`.`wall`
2375 AND `item`.`guid` = ?", $guid);
2376 if (DBM::is_result($item)) {
2378 $nick = $item["nickname"];
2381 return ["nick" => $nick, "id" => $id];
2385 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2387 * @param int $item_id
2388 * @return bool true if item was deleted, else false
2390 private static function tagDeliver($uid, $item_id)
2394 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2395 if (!DBM::is_result($user)) {
2399 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2400 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2402 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2403 if (!DBM::is_result($item)) {
2407 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2410 * Diaspora uses their own hardwired link URL in @-tags
2411 * instead of the one we supply with webfinger
2413 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2415 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2417 foreach ($matches as $mtch) {
2418 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2420 logger('mention found: ' . $mtch[2]);
2426 if (($community_page || $prvgroup) &&
2427 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2428 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2430 logger("no-mention top-level post to community or private group. delete.");
2431 dba::delete('item', ['id' => $item_id]);
2437 $arr = ['item' => $item, 'user' => $user];
2439 Addon::callHooks('tagged', $arr);
2441 if (!$community_page && !$prvgroup) {
2446 * tgroup delivery - setup a second delivery chain
2447 * prevent delivery looping - only proceed
2448 * if the message originated elsewhere and is a top-level post
2450 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2454 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2455 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2456 if (!DBM::is_result($self)) {
2460 $owner_id = Contact::getIdForURL($self['url']);
2462 // also reset all the privacy bits to the forum default permissions
2464 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2466 $forum_mode = ($prvgroup ? 2 : 1);
2468 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2469 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2470 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2471 dba::update('item', $fields, ['id' => $item_id]);
2473 self::updateThread($item_id);
2475 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2478 public static function isRemoteSelf($contact, &$datarray)
2482 if (!$contact['remote_self']) {
2486 // Prevent the forwarding of posts that are forwarded
2487 if (!empty($datarray["extid"]) && ($datarray["extid"] == NETWORK_DFRN)) {
2488 logger('Already forwarded', LOGGER_DEBUG);
2492 // Prevent to forward already forwarded posts
2493 if ($datarray["app"] == $a->get_hostname()) {
2494 logger('Already forwarded (second test)', LOGGER_DEBUG);
2498 // Only forward posts
2499 if ($datarray["verb"] != ACTIVITY_POST) {
2500 logger('No post', LOGGER_DEBUG);
2504 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2505 logger('Not public', LOGGER_DEBUG);
2509 $datarray2 = $datarray;
2510 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2511 if ($contact['remote_self'] == 2) {
2512 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2513 ['uid' => $contact['uid'], 'self' => true]);
2514 if (DBM::is_result($self)) {
2515 $datarray['contact-id'] = $self["id"];
2517 $datarray['owner-name'] = $self["name"];
2518 $datarray['owner-link'] = $self["url"];
2519 $datarray['owner-avatar'] = $self["thumb"];
2521 $datarray['author-name'] = $datarray['owner-name'];
2522 $datarray['author-link'] = $datarray['owner-link'];
2523 $datarray['author-avatar'] = $datarray['owner-avatar'];
2525 unset($datarray['created']);
2526 unset($datarray['edited']);
2528 unset($datarray['network']);
2529 unset($datarray['owner-id']);
2530 unset($datarray['author-id']);
2533 if ($contact['network'] != NETWORK_FEED) {
2534 $datarray["guid"] = System::createGUID(32);
2535 unset($datarray["plink"]);
2536 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2537 $datarray["parent-uri"] = $datarray["uri"];
2538 $datarray["thr-parent"] = $datarray["uri"];
2539 $datarray["extid"] = NETWORK_DFRN;
2540 $urlpart = parse_url($datarray2['author-link']);
2541 $datarray["app"] = $urlpart["host"];
2543 $datarray['private'] = 0;
2547 if ($contact['network'] != NETWORK_FEED) {
2548 // Store the original post
2549 $result = self::insert($datarray2, false, false);
2550 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2552 $datarray["app"] = "Feed";
2556 // Trigger automatic reactions for addons
2557 $datarray['api_source'] = true;
2559 // We have to tell the hooks who we are - this really should be improved
2560 $_SESSION["authenticated"] = true;
2561 $_SESSION["uid"] = $contact['uid'];
2570 * @param array $item
2574 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2576 if (Config::get('system', 'disable_embedded')) {
2580 logger('check for photos', LOGGER_DEBUG);
2581 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2586 $img_start = strpos($orig_body, '[img');
2587 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2588 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2590 while (($img_st_close !== false) && ($img_len !== false)) {
2591 $img_st_close++; // make it point to AFTER the closing bracket
2592 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2594 logger('found photo ' . $image, LOGGER_DEBUG);
2596 if (stristr($image, $site . '/photo/')) {
2597 // Only embed locally hosted photos
2599 $i = basename($image);
2600 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2601 $x = strpos($i, '-');
2604 $res = substr($i, $x + 1);
2605 $i = substr($i, 0, $x);
2606 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2607 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2608 if (DBM::is_result($photo)) {
2610 * Check to see if we should replace this photo link with an embedded image
2611 * 1. No need to do so if the photo is public
2612 * 2. If there's a contact-id provided, see if they're in the access list
2613 * for the photo. If so, embed it.
2614 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2615 * permissions, regardless of order but first check to see if they're an exact
2616 * match to save some processing overhead.
2618 if (self::hasPermissions($photo)) {
2620 $recips = self::enumeratePermissions($photo);
2621 if (in_array($cid, $recips)) {
2625 if (self::samePermissions($item, $photo)) {
2631 $data = $photo['data'];
2632 $type = $photo['type'];
2634 // If a custom width and height were specified, apply before embedding
2635 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2636 logger('scaling photo', LOGGER_DEBUG);
2638 $width = intval($match[1]);
2639 $height = intval($match[2]);
2641 $Image = new Image($data, $type);
2642 if ($Image->isValid()) {
2643 $Image->scaleDown(max($width, $height));
2644 $data = $Image->asString();
2645 $type = $Image->getType();
2649 logger('replacing photo', LOGGER_DEBUG);
2650 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2651 logger('replaced: ' . $image, LOGGER_DATA);
2657 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2658 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2659 if ($orig_body === false) {
2663 $img_start = strpos($orig_body, '[img');
2664 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2665 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2668 $new_body = $new_body . $orig_body;
2673 private static function hasPermissions($obj)
2675 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2676 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2679 private static function samePermissions($obj1, $obj2)
2681 // first part is easy. Check that these are exactly the same.
2682 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2683 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2684 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2685 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2689 // This is harder. Parse all the permissions and compare the resulting set.
2690 $recipients1 = self::enumeratePermissions($obj1);
2691 $recipients2 = self::enumeratePermissions($obj2);
2695 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2696 return ($recipients1 == $recipients2);
2699 // returns an array of contact-ids that are allowed to see this object
2700 private static function enumeratePermissions($obj)
2702 $allow_people = expand_acl($obj['allow_cid']);
2703 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2704 $deny_people = expand_acl($obj['deny_cid']);
2705 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2706 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2707 $deny = array_unique(array_merge($deny_people, $deny_groups));
2708 $recipients = array_diff($recipients, $deny);
2712 public static function getFeedTags($item)
2716 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2718 for ($x = 0; $x < $cnt; $x ++) {
2719 if ($matches[1][$x]) {
2720 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2725 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2727 for ($x = 0; $x < $cnt; $x ++) {
2728 if ($matches[1][$x]) {
2729 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2736 public static function expire($uid, $days, $network = "", $force = false)
2738 if (!$uid || ($days < 1)) {
2742 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2743 $uid, GRAVITY_PARENT];
2746 * $expire_network_only = save your own wall posts
2747 * and just expire conversations started by others
2749 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2751 if ($expire_network_only) {
2752 $condition[0] .= " AND NOT `wall`";
2755 if ($network != "") {
2756 $condition[0] .= " AND `network` = ?";
2757 $condition[] = $network;
2760 * There is an index "uid_network_received" but not "uid_network_created"
2761 * This avoids the creation of another index just for one purpose.
2762 * And it doesn't really matter wether to look at "received" or "created"
2764 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2765 $condition[] = $days;
2767 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2768 $condition[] = $days;
2771 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id'], $condition);
2773 if (!DBM::is_result($items)) {
2777 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2779 // Forcing expiring of items - but not notes and marked items
2781 $expire_items = true;
2784 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2785 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2786 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2790 while ($item = Item::fetch($items)) {
2791 // don't expire filed items
2793 if (strpos($item['file'], '[') !== false) {
2797 // Only expire posts, not photos and photo comments
2799 if (!$expire_photos && strlen($item['resource-id'])) {
2801 } elseif (!$expire_starred && intval($item['starred'])) {
2803 } elseif (!$expire_notes && $item['type'] == 'note') {
2805 } elseif (!$expire_items && $item['type'] != 'note') {
2809 self::deleteById($item['id'], PRIORITY_LOW);
2814 logger('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2817 public static function firstPostDate($uid, $wall = false)
2819 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2820 $params = ['order' => ['created' => false]];
2821 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2822 if (DBM::is_result($thread)) {
2823 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2829 * @brief add/remove activity to an item
2831 * Toggle activities as like,dislike,attend of an item
2833 * @param string $item_id
2834 * @param string $verb
2835 * Activity verb. One of
2836 * like, unlike, dislike, undislike, attendyes, unattendyes,
2837 * attendno, unattendno, attendmaybe, unattendmaybe
2838 * @hook 'post_local_end'
2840 * 'post_id' => ID of posted item
2842 public static function performLike($item_id, $verb)
2844 if (!local_user() && !remote_user()) {
2851 $activity = ACTIVITY_LIKE;
2855 $activity = ACTIVITY_DISLIKE;
2859 $activity = ACTIVITY_ATTEND;
2863 $activity = ACTIVITY_ATTENDNO;
2866 case 'unattendmaybe':
2867 $activity = ACTIVITY_ATTENDMAYBE;
2870 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2874 // Enable activity toggling instead of on/off
2875 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2877 logger('like: verb ' . $verb . ' item ' . $item_id);
2879 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2880 if (!DBM::is_result($item)) {
2881 logger('like: unknown item ' . $item_id);
2885 $item_uri = $item['uri'];
2887 $uid = $item['uid'];
2888 if (($uid == 0) && local_user()) {
2889 $uid = local_user();
2892 if (!can_write_wall($uid)) {
2893 logger('like: unable to write on wall ' . $uid);
2897 // Retrieves the local post owner
2898 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2899 if (!DBM::is_result($owner_self_contact)) {
2900 logger('like: unknown owner ' . $uid);
2904 // Retrieve the current logged in user's public contact
2905 $author_id = public_contact();
2907 $author_contact = dba::selectFirst('contact', ['url'], ['id' => $author_id]);
2908 if (!DBM::is_result($author_contact)) {
2909 logger('like: unknown author ' . $author_id);
2913 // Contact-id is the uid-dependant author contact
2914 if (local_user() == $uid) {
2915 $item_contact_id = $owner_self_contact['id'];
2916 $item_contact = $owner_self_contact;
2918 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2919 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2920 if (!DBM::is_result($item_contact)) {
2921 logger('like: unknown item contact ' . $item_contact_id);
2926 // Look for an existing verb row
2927 // event participation are essentially radio toggles. If you make a subsequent choice,
2928 // we need to eradicate your first choice.
2929 if ($event_verb_flag) {
2930 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2932 // Translate to the index based activity index
2934 foreach ($verbs as $verb) {
2935 $activities[] = self::activityToIndex($verb);
2938 $activities = self::activityToIndex($activity);
2941 $condition = ['activity' => $activities, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2942 'author-id' => $author_id, 'uid' => $item['uid'], 'thr-parent' => $item_uri];
2944 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2946 // If it exists, mark it as deleted
2947 if (DBM::is_result($like_item)) {
2948 // Already voted, undo it
2949 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2950 /// @todo Consider using self::update - but before doing so, check the side effects
2951 dba::update('item', $fields, ['id' => $like_item['id']]);
2953 // Clean up the Diaspora signatures for this like
2954 dba::delete('sign', ['iid' => $like_item['id']]);
2956 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item['id']);
2958 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2963 // Verb is "un-something", just trying to delete existing entries
2964 if (strpos($verb, 'un') === 0) {
2968 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2971 'guid' => System::createGUID(32),
2972 'uri' => self::newURI($item['uid']),
2973 'uid' => $item['uid'],
2974 'contact-id' => $item_contact_id,
2975 'type' => 'activity',
2976 'wall' => $item['wall'],
2978 'network' => NETWORK_DFRN,
2979 'gravity' => GRAVITY_ACTIVITY,
2980 'parent' => $item['id'],
2981 'parent-uri' => $item['uri'],
2982 'thr-parent' => $item['uri'],
2983 'owner-id' => $item['owner-id'],
2984 'author-id' => $author_id,
2985 'body' => $activity,
2986 'verb' => $activity,
2987 'object-type' => $objtype,
2988 'allow_cid' => $item['allow_cid'],
2989 'allow_gid' => $item['allow_gid'],
2990 'deny_cid' => $item['deny_cid'],
2991 'deny_gid' => $item['deny_gid'],
2996 $new_item_id = self::insert($new_item);
2998 // If the parent item isn't visible then set it to visible
2999 if (!$item['visible']) {
3000 self::update(['visible' => true], ['id' => $item['id']]);
3003 // Save the author information for the like in case we need to relay to Diaspora
3004 Diaspora::storeLikeSignature($item_contact, $new_item_id);
3006 $new_item['id'] = $new_item_id;
3008 Addon::callHooks('post_local_end', $new_item);
3010 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
3015 private static function addThread($itemid, $onlyshadow = false)
3017 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
3018 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
3019 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
3020 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3021 $item = self::selectFirst($fields, $condition);
3023 if (!DBM::is_result($item)) {
3027 $item['iid'] = $itemid;
3030 $result = dba::insert('thread', $item);
3032 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3036 private static function updateThread($itemid, $setmention = false)
3038 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
3039 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
3040 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3041 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3043 $item = self::selectFirst($fields, $condition);
3044 if (!DBM::is_result($item)) {
3049 $item["mention"] = 1;
3056 foreach ($item as $field => $data) {
3057 if (!in_array($field, ["guid"])) {
3058 $fields[$field] = $data;
3062 $result = dba::update('thread', $fields, ['iid' => $itemid]);
3064 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
3067 private static function deleteThread($itemid, $itemuri = "")
3069 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3070 if (!DBM::is_result($item)) {
3071 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
3075 // Using dba::delete at this time could delete the associated item entries
3076 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
3078 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3080 if ($itemuri != "") {
3081 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3082 if (!self::exists($condition)) {
3083 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3084 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);