4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\L10n;
14 use Friendica\Core\PConfig;
15 use Friendica\Core\System;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Contact;
19 use Friendica\Model\Conversation;
20 use Friendica\Model\Group;
21 use Friendica\Model\Term;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\XML;
27 use Friendica\Util\Lock;
29 use Text_LanguageDetect;
31 require_once 'boot.php';
32 require_once 'include/items.php';
33 require_once 'include/text.php';
35 class Item extends BaseObject
37 // Field list that is used to display the items
38 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
39 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
40 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
41 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
42 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
43 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
44 'owner-id', 'owner-link', 'owner-name', 'owner-avatar', 'owner-network',
45 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
46 'writable', 'self', 'cid', 'alias',
47 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
48 'event-summary', 'event-desc', 'event-location', 'event-type',
49 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
51 // Field list that is used to deliver items via the protocols
52 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
53 'created', 'edited', 'verb', 'object-type', 'object', 'target',
54 'private', 'title', 'body', 'location', 'coord', 'app',
55 'attach', 'tag', 'bookmark', 'deleted', 'extid',
56 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
57 'author-id', 'author-link', 'owner-link', 'contact-uid',
58 'signed_text', 'signature', 'signer'];
60 // Field list for "item-content" table that is mixed with the item table
61 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
62 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
63 'object-type', 'object', 'target-type', 'target', 'plink'];
65 // Field list for "item-content" table that is not present in the "item" table
66 const CONTENT_FIELDLIST = ['language'];
68 // All fields in the item table
69 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
70 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid', 'iaid',
71 'created', 'edited', 'commented', 'received', 'changed', 'verb',
72 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
73 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
74 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
75 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
76 'title', 'content-warning', 'body', 'location', 'coord', 'app',
77 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
78 'author-id', 'author-link', 'author-name', 'author-avatar',
79 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
81 const ACTIVITIES = [ACTIVITY_LIKE, ACTIVITY_DISLIKE, ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
84 * @brief returns an activity index from an activity string
86 * @param string $activity activity string
87 * @return integer Activity index
89 private static function activityToIndex($activity)
91 $index = array_search($activity, self::ACTIVITIES);
93 if (is_bool($index)) {
101 * @brief returns an activity string from an activity index
103 * @param integer $index activity index
104 * @return string Activity string
106 private static function indexToActivity($index)
108 if (!isset(self::ACTIVITIES[$index])) {
112 return self::ACTIVITIES[$index];
116 * @brief Fetch a single item row
118 * @param mixed $stmt statement object
119 * @return array current row
121 public static function fetch($stmt)
123 $row = dba::fetch($stmt);
129 // ---------------------- Transform item structure data ----------------------
131 // We prefer the data from the user's contact over the public one
132 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
133 ($row['author-link'] == $row['contact-link'])) {
134 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
135 $row['author-avatar'] = $row['contact-avatar'];
137 if (isset($row['author-name']) && !empty($row['contact-name'])) {
138 $row['author-name'] = $row['contact-name'];
142 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
143 ($row['owner-link'] == $row['contact-link'])) {
144 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
145 $row['owner-avatar'] = $row['contact-avatar'];
147 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
148 $row['owner-name'] = $row['contact-name'];
152 // We can always comment on posts from these networks
153 if (array_key_exists('writable', $row) &&
154 in_array($row['internal-network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
155 $row['writable'] = true;
158 // ---------------------- Transform item content data ----------------------
160 // Fetch data from the item-content table whenever there is content there
161 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
162 if (empty($row[$field]) && !empty($row['internal-item-' . $field])) {
163 $row[$field] = $row['internal-item-' . $field];
165 unset($row['internal-item-' . $field]);
168 if (!empty($row['internal-iaid']) && array_key_exists('verb', $row)) {
169 $row['verb'] = self::indexToActivity($row['internal-activity']);
170 if (array_key_exists('title', $row)) {
173 if (array_key_exists('body', $row)) {
174 $row['body'] = $row['verb'];
176 if (array_key_exists('object', $row)) {
179 if (array_key_exists('object-type', $row)) {
180 $row['object-type'] = ACTIVITY_OBJ_NOTE;
182 } elseif (in_array($row['verb'], ['', ACTIVITY_POST, ACTIVITY_SHARE])) {
183 // Posts don't have an object or target - but having tags or files.
184 // We safe some performance by building tag and file strings only here.
185 // We remove object and target since they aren't used for this type.
186 if (array_key_exists('object', $row)) {
189 if (array_key_exists('target', $row)) {
192 // Build the tag string out of the term entries
193 if (array_key_exists('tag', $row)) {
194 $row['tag'] = Term::tagTextFromItemId($row['internal-iid']);
197 // Build the file string out of the term entries
198 if (array_key_exists('file', $row)) {
199 $row['file'] = Term::fileTextFromItemId($row['internal-iid']);
203 // Remove internal fields
204 unset($row['internal-activity']);
205 unset($row['internal-network']);
206 unset($row['internal-iid']);
207 unset($row['internal-iaid']);
208 unset($row['internal-icid']);
214 * @brief Fills an array with data from an item query
216 * @param object $stmt statement object
217 * @return array Data array
219 public static function inArray($stmt, $do_close = true) {
220 if (is_bool($stmt)) {
225 while ($row = self::fetch($stmt)) {
235 * @brief Check if item data exists
237 * @param array $condition array of fields for condition
239 * @return boolean Are there rows for that condition?
241 public static function exists($condition) {
242 $stmt = self::select(['id'], $condition, ['limit' => 1]);
244 if (is_bool($stmt)) {
247 $retval = (dba::num_rows($stmt) > 0);
256 * Retrieve a single record from the item table for a given user and returns it in an associative array
258 * @brief Retrieve a single record from a table
259 * @param integer $uid User ID
260 * @param array $fields
261 * @param array $condition
262 * @param array $params
266 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
268 $params['uid'] = $uid;
270 if (empty($selected)) {
271 $selected = Item::DISPLAY_FIELDLIST;
274 return self::selectFirst($selected, $condition, $params);
278 * @brief Select rows from the item table for a given user
280 * @param integer $uid User ID
281 * @param array $selected Array of selected fields, empty for all
282 * @param array $condition Array of fields for condition
283 * @param array $params Array of several parameters
285 * @return boolean|object
287 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
289 $params['uid'] = $uid;
291 if (empty($selected)) {
292 $selected = Item::DISPLAY_FIELDLIST;
295 return self::select($selected, $condition, $params);
299 * Retrieve a single record from the item table and returns it in an associative array
301 * @brief Retrieve a single record from a table
302 * @param array $fields
303 * @param array $condition
304 * @param array $params
308 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
310 $params['limit'] = 1;
312 $result = self::select($fields, $condition, $params);
314 if (is_bool($result)) {
317 $row = self::fetch($result);
324 * @brief Select rows from the item table
326 * @param array $selected Array of selected fields, empty for all
327 * @param array $condition Array of fields for condition
328 * @param array $params Array of several parameters
330 * @return boolean|object
332 public static function select(array $selected = [], array $condition = [], $params = [])
337 if (isset($params['uid'])) {
338 $uid = $params['uid'];
342 $fields = self::fieldlist($selected);
344 $select_fields = self::constructSelectFields($fields, $selected);
346 $condition_string = dba::buildCondition($condition);
348 $condition_string = self::addTablesToFields($condition_string, $fields);
351 $condition_string = $condition_string . ' AND ' . self::condition(false);
354 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
356 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false, $usermode);
358 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
360 return dba::p($sql, $condition);
364 * @brief Select rows from the starting post in the item table
366 * @param integer $uid User ID
367 * @param array $fields Array of selected fields, empty for all
368 * @param array $condition Array of fields for condition
369 * @param array $params Array of several parameters
371 * @return boolean|object
373 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
375 $params['uid'] = $uid;
377 if (empty($selected)) {
378 $selected = Item::DISPLAY_FIELDLIST;
381 return self::selectThread($selected, $condition, $params);
385 * Retrieve a single record from the starting post in the item table and returns it in an associative array
387 * @brief Retrieve a single record from a table
388 * @param integer $uid User ID
389 * @param array $selected
390 * @param array $condition
391 * @param array $params
395 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
397 $params['uid'] = $uid;
399 if (empty($selected)) {
400 $selected = Item::DISPLAY_FIELDLIST;
403 return self::selectFirstThread($selected, $condition, $params);
407 * Retrieve a single record from the starting post in the item table and returns it in an associative array
409 * @brief Retrieve a single record from a table
410 * @param array $fields
411 * @param array $condition
412 * @param array $params
416 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
418 $params['limit'] = 1;
419 $result = self::selectThread($fields, $condition, $params);
421 if (is_bool($result)) {
424 $row = self::fetch($result);
431 * @brief Select rows from the starting post in the item table
433 * @param array $selected Array of selected fields, empty for all
434 * @param array $condition Array of fields for condition
435 * @param array $params Array of several parameters
437 * @return boolean|object
439 public static function selectThread(array $selected = [], array $condition = [], $params = [])
444 if (isset($params['uid'])) {
445 $uid = $params['uid'];
449 $fields = self::fieldlist($selected);
451 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
452 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
453 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
454 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
456 $select_fields = self::constructSelectFields($fields, $selected);
458 $condition_string = dba::buildCondition($condition);
460 $condition_string = self::addTablesToFields($condition_string, $threadfields);
461 $condition_string = self::addTablesToFields($condition_string, $fields);
464 $condition_string = $condition_string . ' AND ' . self::condition(true);
467 $param_string = dba::buildParameter($params);
468 $param_string = self::addTablesToFields($param_string, $threadfields);
469 $param_string = self::addTablesToFields($param_string, $fields);
471 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true, $usermode);
473 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
475 return dba::p($sql, $condition);
479 * @brief Returns a list of fields that are associated with the item table
481 * @return array field list
483 private static function fieldlist($selected)
487 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
488 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
489 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
490 'resource-id', 'event-id', 'tag', 'attach', 'inform',
491 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
492 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
493 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
494 'id' => 'item_id', 'network', 'icid', 'iaid', 'id' => 'internal-iid',
495 'network' => 'internal-network', 'icid' => 'internal-icid',
496 'iaid' => 'internal-iaid'];
498 $fields['item-activity'] = ['activity' => 'internal-activity'];
500 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
502 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
503 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
505 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
506 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
508 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
509 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
510 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
512 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
514 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
516 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
517 'start' => 'event-start','finish' => 'event-finish',
518 'summary' => 'event-summary','desc' => 'event-desc',
519 'location' => 'event-location', 'type' => 'event-type',
520 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
521 'ignore' => 'event-ignore', 'id' => 'event-id'];
523 $fields['sign'] = ['signed_text', 'signature', 'signer'];
529 * @brief Returns SQL condition for the "select" functions
531 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
533 * @return string SQL condition
535 private static function condition($thread_mode)
538 $master_table = "`thread`";
540 $master_table = "`item`";
542 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
546 * @brief Returns all needed "JOIN" commands for the "select" functions
548 * @param integer $uid User ID
549 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
550 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
552 * @return string The SQL joins for the "select" functions
554 private static function constructJoins($uid, $sql_commands, $thread_mode, $user_mode)
557 $master_table = "`thread`";
558 $master_table_key = "`thread`.`iid`";
559 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
561 $master_table = "`item`";
562 $master_table_key = "`item`.`id`";
567 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
568 AND NOT `contact`.`blocked`
569 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
570 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
571 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
572 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
573 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
574 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
576 if (strpos($sql_commands, "`contact`.") !== false) {
577 $joins .= "STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`";
579 if (strpos($sql_commands, "`author`.") !== false) {
580 $joins .= " STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id`";
582 if (strpos($sql_commands, "`owner`.") !== false) {
583 $joins .= " STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id`";
587 if (strpos($sql_commands, "`group_member`.") !== false) {
588 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
591 if (strpos($sql_commands, "`user`.") !== false) {
592 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
595 if (strpos($sql_commands, "`event`.") !== false) {
596 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
599 if (strpos($sql_commands, "`sign`.") !== false) {
600 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
603 if (strpos($sql_commands, "`item-activity`.") !== false) {
604 $joins .= " LEFT JOIN `item-activity` ON `item-activity`.`id` = `item`.`iaid`";
607 if (strpos($sql_commands, "`item-content`.") !== false) {
608 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
611 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
612 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
615 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
616 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
623 * @brief Add the field list for the "select" functions
625 * @param array $fields The field definition array
626 * @param array $selected The array with the selected fields from the "select" functions
628 * @return string The field list
630 private static function constructSelectFields($fields, $selected)
632 if (!empty($selected)) {
633 $selected[] = 'internal-iid';
634 $selected[] = 'internal-iaid';
635 $selected[] = 'internal-icid';
636 $selected[] = 'internal-network';
639 if (in_array('verb', $selected)) {
640 $selected[] = 'internal-activity';
644 foreach ($fields as $table => $table_fields) {
645 foreach ($table_fields as $field => $select) {
646 if (empty($selected) || in_array($select, $selected)) {
647 if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
648 $selection[] = "`item`.`".$select."` AS `internal-item-" . $select . "`";
650 if (is_int($field)) {
651 $selection[] = "`" . $table . "`.`" . $select . "`";
653 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
658 return implode(", ", $selection);
662 * @brief add table definition to fields in an SQL query
664 * @param string $query SQL query
665 * @param array $fields The field definition array
667 * @return string the changed SQL query
669 private static function addTablesToFields($query, $fields)
671 foreach ($fields as $table => $table_fields) {
672 foreach ($table_fields as $alias => $field) {
673 if (is_int($alias)) {
674 $replace_field = $field;
676 $replace_field = $alias;
679 $search = "/([^\.])`" . $field . "`/i";
680 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
681 $query = preg_replace($search, $replace, $query);
688 * @brief Update existing item entries
690 * @param array $fields The fields that are to be changed
691 * @param array $condition The condition for finding the item entries
693 * In the future we may have to change permissions as well.
694 * Then we had to add the user id as third parameter.
696 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
698 * @return integer|boolean number of affected rows - or "false" if there was an error
700 public static function update(array $fields, array $condition)
702 if (empty($condition) || empty($fields)) {
706 // To ensure the data integrity we do it in an transaction
709 // We cannot simply expand the condition to check for origin entries
710 // The condition needn't to be a simple array but could be a complex condition.
711 // And we have to execute this query before the update to ensure to fetch the same data.
712 $items = dba::select('item', ['id', 'origin', 'uri', 'plink', 'iaid', 'icid'], $condition);
714 $content_fields = [];
715 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
716 if (isset($fields[$field])) {
717 $content_fields[$field] = $fields[$field];
718 unset($fields[$field]);
722 if (array_key_exists('tag', $fields)) {
723 $tags = $fields['tag'];
724 unset($fields['tag']);
729 if (array_key_exists('file', $fields)) {
730 $files = $fields['file'];
731 unset($fields['file']);
736 if (!empty($fields)) {
737 $success = dba::update('item', $fields, $condition);
746 // When there is no content for the "old" item table, this will count the fetched items
747 $rows = dba::affected_rows();
749 while ($item = dba::fetch($items)) {
750 if (!empty($item['plink'])) {
751 $content_fields['plink'] = $item['plink'];
753 if (self::updateActivity($content_fields, ['uri' => $item['uri']])) {
754 if (empty($item['iaid'])) {
755 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri' => $item['uri']]);
756 if (DBM::is_result($item_activity)) {
757 $item_fields = ['iaid' => $item_activity['id'], 'icid' => null];
758 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
759 $item_fields[$field] = '';
761 dba::update('item', $item_fields, ['id' => $item['id']]);
763 if (!empty($item['icid']) && !dba::exists('item', ['icid' => $item['icid']])) {
764 dba::delete('item-content', ['id' => $item['icid']]);
769 self::updateContent($content_fields, ['uri' => $item['uri']]);
771 if (empty($item['icid'])) {
772 $item_content = dba::selectFirst('item-content', [], ['uri' => $item['uri']]);
773 if (DBM::is_result($item_content)) {
774 $item_fields = ['icid' => $item_content['id']];
775 // Clear all fields in the item table that have a content in the item-content table
776 foreach ($item_content as $field => $content) {
777 if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) {
778 $item_fields[$field] = '';
781 dba::update('item', $item_fields, ['id' => $item['id']]);
787 Term::insertFromTagFieldByItemId($item['id'], $tags);
790 if (!empty($files)) {
791 Term::insertFromFileFieldByItemId($item['id'], $files);
794 self::updateThread($item['id']);
796 // We only need to notfiy others when it is an original entry from us.
797 // Only call the notifier when the item has some content relevant change.
798 if ($item['origin'] && in_array('edited', array_keys($fields))) {
799 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
809 * @brief Delete an item and notify others about it - if it was ours
811 * @param array $condition The condition for finding the item entries
812 * @param integer $priority Priority for the notification
814 public static function delete($condition, $priority = PRIORITY_HIGH)
816 $items = dba::select('item', ['id'], $condition);
817 while ($item = dba::fetch($items)) {
818 self::deleteById($item['id'], $priority);
824 * @brief Delete an item for an user and notify others about it - if it was ours
826 * @param array $condition The condition for finding the item entries
827 * @param integer $uid User who wants to delete this item
829 public static function deleteForUser($condition, $uid)
835 $items = dba::select('item', ['id', 'uid'], $condition);
836 while ($item = dba::fetch($items)) {
837 // "Deleting" global items just means hiding them
838 if ($item['uid'] == 0) {
839 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
840 } elseif ($item['uid'] == $uid) {
841 self::deleteById($item['id'], PRIORITY_HIGH);
843 logger('Wrong ownership. Not deleting item ' . $item['id']);
850 * @brief Delete an item and notify others about it - if it was ours
852 * @param integer $item_id Item ID that should be delete
853 * @param integer $priority Priority for the notification
855 * @return boolean success
857 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
859 // locate item to be deleted
860 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
861 'deleted', 'file', 'resource-id', 'event-id', 'attach',
862 'verb', 'object-type', 'object', 'target', 'contact-id'];
863 $item = self::selectFirst($fields, ['id' => $item_id]);
864 if (!DBM::is_result($item)) {
865 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
869 if ($item['deleted']) {
870 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
874 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
875 if (!DBM::is_result($parent)) {
876 $parent = ['origin' => false];
879 // clean up categories and tags so they don't end up as orphans
882 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
884 foreach ($matches as $mtch) {
885 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
891 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
893 foreach ($matches as $mtch) {
894 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
899 * If item is a link to a photo resource, nuke all the associated photos
900 * (visitors will not have photo resources)
901 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
902 * generate a resource-id and therefore aren't intimately linked to the item.
904 if (strlen($item['resource-id'])) {
905 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
908 // If item is a link to an event, delete the event.
909 if (intval($item['event-id'])) {
910 Event::delete($item['event-id']);
913 // If item has attachments, drop them
914 foreach (explode(", ", $item['attach']) as $attach) {
915 preg_match("|attach/(\d+)|", $attach, $matches);
916 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
919 // Delete tags that had been attached to other items
920 self::deleteTagsFromItem($item);
922 // Set the item to "deleted"
923 // This erasing of item content is superfluous for items with a matching item-content.
924 // But for the next time we will still have old content in the item table.
925 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
926 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
927 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
928 dba::update('item', $item_fields, ['id' => $item['id']]);
930 Term::insertFromTagFieldByItemId($item['id'], '');
931 Term::insertFromFileFieldByItemId($item['id'], '');
932 self::deleteThread($item['id'], $item['parent-uri']);
934 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
935 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
938 // If it's the parent of a comment thread, kill all the kids
939 if ($item['id'] == $item['parent']) {
940 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
943 // Is it our comment and/or our thread?
944 if ($item['origin'] || $parent['origin']) {
946 // When we delete the original post we will delete all existing copies on the server as well
947 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
949 // send the notification upstream/downstream
950 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
951 } elseif ($item['uid'] != 0) {
953 // When we delete just our local user copy of an item, we have to set a marker to hide it
954 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
955 if (DBM::is_result($global_item)) {
956 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
960 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
965 private static function deleteTagsFromItem($item)
967 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
971 $xo = XML::parseString($item["object"], false);
972 $xt = XML::parseString($item["target"], false);
974 if ($xt->type != ACTIVITY_OBJ_NOTE) {
978 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
979 if (!DBM::is_result($i)) {
983 // For tags, the owner cannot remove the tag on the author's copy of the post.
984 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
985 $author_copy = $item["origin"];
987 if (($owner_remove && $author_copy) || !$owner_remove) {
991 $tags = explode(',', $i["tag"]);
994 foreach ($tags as $tag) {
995 if (trim($tag) !== trim($xo->body)) {
996 $newtags[] = trim($tag);
1000 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
1003 private static function guid($item, $notify)
1005 $guid = notags(trim($item['guid']));
1007 if (!empty($guid)) {
1012 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
1013 // We add the hash of our own host because our host is the original creator of the post.
1014 $prefix_host = get_app()->get_hostname();
1018 // We are only storing the post so we create a GUID from the original hostname.
1019 if (!empty($item['author-link'])) {
1020 $parsed = parse_url($item['author-link']);
1021 if (!empty($parsed['host'])) {
1022 $prefix_host = $parsed['host'];
1026 if (empty($prefix_host) && !empty($item['plink'])) {
1027 $parsed = parse_url($item['plink']);
1028 if (!empty($parsed['host'])) {
1029 $prefix_host = $parsed['host'];
1033 if (empty($prefix_host) && !empty($item['uri'])) {
1034 $parsed = parse_url($item['uri']);
1035 if (!empty($parsed['host'])) {
1036 $prefix_host = $parsed['host'];
1040 // Is it in the format data@host.tld? - Used for mail contacts
1041 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
1042 $mailparts = explode('@', $item['author-link']);
1043 $prefix_host = array_pop($mailparts);
1047 if (!empty($item['plink'])) {
1048 $guid = self::guidFromUri($item['plink'], $prefix_host);
1049 } elseif (!empty($item['uri'])) {
1050 $guid = self::guidFromUri($item['uri'], $prefix_host);
1052 $guid = get_guid(32, hash('crc32', $prefix_host));
1058 private static function contactId($item)
1060 $contact_id = (int)$item["contact-id"];
1062 if (!empty($contact_id)) {
1065 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
1067 * First we are looking for a suitable contact that matches with the author of the post
1068 * This is done only for comments
1070 if ($item['parent-uri'] != $item['uri']) {
1071 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
1074 // If not present then maybe the owner was found
1075 if ($contact_id == 0) {
1076 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
1079 // Still missing? Then use the "self" contact of the current user
1080 if ($contact_id == 0) {
1081 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
1082 if (DBM::is_result($self)) {
1083 $contact_id = $self["id"];
1086 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
1091 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
1095 // If it is a posting where users should get notifications, then define it as wall posting
1098 $item['type'] = 'wall';
1099 $item['origin'] = 1;
1100 $item['network'] = NETWORK_DFRN;
1101 $item['protocol'] = PROTOCOL_DFRN;
1103 if (is_int($notify)) {
1104 $priority = $notify;
1106 $priority = PRIORITY_HIGH;
1109 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
1112 $item['guid'] = self::guid($item, $notify);
1113 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
1115 // Store conversation data
1116 $item = Conversation::insert($item);
1119 * If a Diaspora signature structure was passed in, pull it out of the
1120 * item array and set it aside for later storage.
1124 if (x($item, 'dsprsig')) {
1125 $encoded_signature = $item['dsprsig'];
1126 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1127 unset($item['dsprsig']);
1130 if (!empty($item['diaspora_signed_text'])) {
1131 $diaspora_signed_text = $item['diaspora_signed_text'];
1132 unset($item['diaspora_signed_text']);
1134 $diaspora_signed_text = '';
1137 // Converting the plink
1138 /// @TODO Check if this is really still needed
1139 if ($item['network'] == NETWORK_OSTATUS) {
1140 if (isset($item['plink'])) {
1141 $item['plink'] = OStatus::convertHref($item['plink']);
1142 } elseif (isset($item['uri'])) {
1143 $item['plink'] = OStatus::convertHref($item['uri']);
1147 if (!empty($item['thr-parent'])) {
1148 $item['parent-uri'] = $item['thr-parent'];
1151 $item['type'] = defaults($item, 'type', 'remote');
1153 if (isset($item['gravity'])) {
1154 $item['gravity'] = intval($item['gravity']);
1155 } elseif ($item['parent-uri'] === $item['uri']) {
1156 $item['gravity'] = GRAVITY_PARENT;
1157 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1158 $item['gravity'] = GRAVITY_COMMENT;
1159 } elseif ($item['type'] == 'activity') {
1160 $item['gravity'] = GRAVITY_ACTIVITY;
1162 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1163 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
1166 $uid = intval($item['uid']);
1168 // check for create date and expire time
1169 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1171 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1172 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1173 $expire_interval = $user['expire'];
1176 if (($expire_interval > 0) && !empty($item['created'])) {
1177 $expire_date = time() - ($expire_interval * 86400);
1178 $created_date = strtotime($item['created']);
1179 if ($created_date < $expire_date) {
1180 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1186 * Do we already have this item?
1187 * We have to check several networks since Friendica posts could be repeated
1188 * via OStatus (maybe Diasporsa as well)
1190 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1191 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1192 trim($item['uri']), $item['uid'],
1193 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1194 $existing = self::selectFirst(['id', 'network'], $condition);
1195 if (DBM::is_result($existing)) {
1196 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1198 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1201 return $existing["id"];
1205 self::addLanguageToItemArray($item);
1207 $item['wall'] = intval(defaults($item, 'wall', 0));
1208 $item['extid'] = trim(defaults($item, 'extid', ''));
1209 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1210 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1211 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1212 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1213 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1214 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1215 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1216 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1217 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1218 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1219 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1220 $item['title'] = trim(defaults($item, 'title', ''));
1221 $item['location'] = trim(defaults($item, 'location', ''));
1222 $item['coord'] = trim(defaults($item, 'coord', ''));
1223 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1224 $item['deleted'] = 0;
1225 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1226 $item['verb'] = trim(defaults($item, 'verb', ''));
1227 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1228 $item['object'] = trim(defaults($item, 'object', ''));
1229 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1230 $item['target'] = trim(defaults($item, 'target', ''));
1231 $item['plink'] = trim(defaults($item, 'plink', ''));
1232 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1233 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1234 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1235 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1236 $item['private'] = intval(defaults($item, 'private', 0));
1237 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1238 $item['body'] = trim(defaults($item, 'body', ''));
1239 $item['tag'] = trim(defaults($item, 'tag', ''));
1240 $item['attach'] = trim(defaults($item, 'attach', ''));
1241 $item['app'] = trim(defaults($item, 'app', ''));
1242 $item['origin'] = intval(defaults($item, 'origin', 0));
1243 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1244 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1245 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1246 $item['inform'] = trim(defaults($item, 'inform', ''));
1247 $item['file'] = trim(defaults($item, 'file', ''));
1249 // When there is no content then we don't post it
1250 if ($item['body'].$item['title'] == '') {
1251 logger('No body, no title.');
1255 // Items cannot be stored before they happen ...
1256 if ($item['created'] > DateTimeFormat::utcNow()) {
1257 $item['created'] = DateTimeFormat::utcNow();
1260 // We haven't invented time travel by now.
1261 if ($item['edited'] > DateTimeFormat::utcNow()) {
1262 $item['edited'] = DateTimeFormat::utcNow();
1265 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1266 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1269 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1271 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1272 $item["contact-id"] = self::contactId($item);
1274 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1275 'photo' => $item['author-avatar'], 'network' => $item['network']];
1277 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1279 if (Contact::isBlocked($item["author-id"])) {
1280 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1284 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1285 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1287 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1289 if (Contact::isBlocked($item["owner-id"])) {
1290 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1294 // These fields aren't stored anymore in the item table, they are fetched upon request
1295 unset($item['author-link']);
1296 unset($item['author-name']);
1297 unset($item['author-avatar']);
1299 unset($item['owner-link']);
1300 unset($item['owner-name']);
1301 unset($item['owner-avatar']);
1303 if ($item['network'] == NETWORK_PHANTOM) {
1304 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1306 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1307 if (!empty($contact['network'])) {
1308 $item['network'] = $contact["network"];
1310 $item['network'] = NETWORK_DFRN;
1312 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1315 // Checking if there is already an item with the same guid
1316 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1317 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1318 if (self::exists($condition)) {
1319 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1323 // Check for hashtags in the body and repair or add hashtag links
1324 self::setHashtags($item);
1326 $item['thr-parent'] = $item['parent-uri'];
1334 if ($item['parent-uri'] === $item['uri']) {
1336 $parent_deleted = 0;
1337 $allow_cid = $item['allow_cid'];
1338 $allow_gid = $item['allow_gid'];
1339 $deny_cid = $item['deny_cid'];
1340 $deny_gid = $item['deny_gid'];
1341 $notify_type = 'wall-new';
1343 // find the parent and snarf the item id and ACLs
1344 // and anything else we need to inherit
1346 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1347 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1348 'wall', 'private', 'forum_mode', 'origin'];
1349 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1350 $params = ['order' => ['id' => false]];
1351 $parent = self::selectFirst($fields, $condition, $params);
1353 if (DBM::is_result($parent)) {
1354 // is the new message multi-level threaded?
1355 // even though we don't support it now, preserve the info
1356 // and re-attach to the conversation parent.
1358 if ($parent['uri'] != $parent['parent-uri']) {
1359 $item['parent-uri'] = $parent['parent-uri'];
1361 $condition = ['uri' => $item['parent-uri'],
1362 'parent-uri' => $item['parent-uri'],
1363 'uid' => $item['uid']];
1364 $params = ['order' => ['id' => false]];
1365 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1367 if (DBM::is_result($toplevel_parent)) {
1368 $parent = $toplevel_parent;
1372 $parent_id = $parent['id'];
1373 $parent_deleted = $parent['deleted'];
1374 $allow_cid = $parent['allow_cid'];
1375 $allow_gid = $parent['allow_gid'];
1376 $deny_cid = $parent['deny_cid'];
1377 $deny_gid = $parent['deny_gid'];
1378 $item['wall'] = $parent['wall'];
1379 $notify_type = 'comment-new';
1382 * If the parent is private, force privacy for the entire conversation
1383 * This differs from the above settings as it subtly allows comments from
1384 * email correspondents to be private even if the overall thread is not.
1386 if ($parent['private']) {
1387 $item['private'] = $parent['private'];
1391 * Edge case. We host a public forum that was originally posted to privately.
1392 * The original author commented, but as this is a comment, the permissions
1393 * weren't fixed up so it will still show the comment as private unless we fix it here.
1395 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1396 $item['private'] = 0;
1399 // If its a post from myself then tag the thread as "mention"
1400 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1401 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1402 if (DBM::is_result($user)) {
1403 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1404 $self_id = Contact::getIdForURL($self, 0, true);
1405 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1406 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1407 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1408 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1413 * Allow one to see reply tweets from status.net even when
1414 * we don't have or can't see the original post.
1416 if ($force_parent) {
1417 logger('$force_parent=true, reply converted to top-level post.');
1419 $item['parent-uri'] = $item['uri'];
1420 $item['gravity'] = GRAVITY_PARENT;
1422 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1426 $parent_deleted = 0;
1430 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1431 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1432 if (self::exists($condition)) {
1433 logger('duplicated item with the same uri found. '.print_r($item,true));
1437 // On Friendica and Diaspora the GUID is unique
1438 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1439 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1440 if (self::exists($condition)) {
1441 logger('duplicated item with the same guid found. '.print_r($item,true));
1445 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1446 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1447 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1448 if (self::exists($condition)) {
1449 logger('duplicated item with the same body found. '.print_r($item,true));
1454 // Is this item available in the global items (with uid=0)?
1455 if ($item["uid"] == 0) {
1456 $item["global"] = true;
1458 // Set the global flag on all items if this was a global item entry
1459 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1461 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1465 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1468 $private = $item['private'];
1471 $item["allow_cid"] = $allow_cid;
1472 $item["allow_gid"] = $allow_gid;
1473 $item["deny_cid"] = $deny_cid;
1474 $item["deny_gid"] = $deny_gid;
1475 $item["private"] = $private;
1476 $item["deleted"] = $parent_deleted;
1478 // Fill the cache field
1479 put_item_in_cache($item);
1482 Addon::callHooks('post_local', $item);
1484 Addon::callHooks('post_remote', $item);
1487 // This array field is used to trigger some automatic reactions
1488 // It is mainly used in the "post_local" hook.
1489 unset($item['api_source']);
1491 if (x($item, 'cancel')) {
1492 logger('post cancelled by addon.');
1497 * Check for already added items.
1498 * There is a timing issue here that sometimes creates double postings.
1499 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1501 if ($item["uid"] == 0) {
1502 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1503 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1508 logger('' . print_r($item,true), LOGGER_DATA);
1510 if (array_key_exists('tag', $item)) {
1511 $tags = $item['tag'];
1512 unset($item['tag']);
1517 if (array_key_exists('file', $item)) {
1518 $files = $item['file'];
1519 unset($item['file']);
1524 // We are doing this outside of the transaction to avoid timing problems
1525 if (!self::insertActivity($item)) {
1526 self::insertContent($item);
1530 $ret = dba::insert('item', $item);
1532 // When the item was successfully stored we fetch the ID of the item.
1533 if (DBM::is_result($ret)) {
1534 $current_post = dba::lastInsertId();
1536 // This can happen - for example - if there are locking timeouts.
1539 // Store the data into a spool file so that we can try again later.
1541 // At first we restore the Diaspora signature that we removed above.
1542 if (isset($encoded_signature)) {
1543 $item['dsprsig'] = $encoded_signature;
1546 // Now we store the data in the spool directory
1547 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1548 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1550 $spoolpath = get_spoolpath();
1551 if ($spoolpath != "") {
1552 $spool = $spoolpath.'/'.$file;
1553 file_put_contents($spool, json_encode($item));
1554 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1559 if ($current_post == 0) {
1560 // This is one of these error messages that never should occur.
1561 logger("couldn't find created item - we better quit now.");
1566 // How much entries have we created?
1567 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1568 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1571 // There are duplicates. We delete our just created entry.
1572 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1574 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1575 dba::delete('item', ['id' => $current_post]);
1578 } elseif ($entries == 0) {
1579 // This really should never happen since we quit earlier if there were problems.
1580 logger("Something is terribly wrong. We haven't found our created entry.");
1585 logger('created item '.$current_post);
1586 self::updateContact($item);
1588 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1589 $parent_id = $current_post;
1593 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1595 $item['id'] = $current_post;
1596 $item['parent'] = $parent_id;
1598 // update the commented timestamp on the parent
1599 // Only update "commented" if it is really a comment
1600 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1601 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1603 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1608 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1609 * We can check for this condition when we decode and encode the stuff again.
1611 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1612 $dsprsig->signature = base64_decode($dsprsig->signature);
1613 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1616 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1617 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1620 if (!empty($diaspora_signed_text)) {
1621 // Formerly we stored the signed text, the signature and the author in different fields.
1622 // We now store the raw data so that we are more flexible.
1623 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1626 $deleted = self::tagDeliver($item['uid'], $current_post);
1629 * current post can be deleted if is for a community page and no mention are
1632 if (!$deleted && !$dontcache) {
1633 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1634 if (DBM::is_result($posted_item)) {
1636 Addon::callHooks('post_local_end', $posted_item);
1638 Addon::callHooks('post_remote_end', $posted_item);
1641 logger('new item not found in DB, id ' . $current_post);
1645 if ($item['parent-uri'] === $item['uri']) {
1646 self::addThread($current_post);
1648 self::updateThread($parent_id);
1654 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1655 * This is not perfect - but a workable solution until we found the reason for the problem.
1657 if (!empty($tags)) {
1658 Term::insertFromTagFieldByItemId($current_post, $tags);
1661 if (!empty($files)) {
1662 Term::insertFromFileFieldByItemId($current_post, $files);
1665 if ($item['parent-uri'] === $item['uri']) {
1666 self::addShadow($current_post);
1668 self::addShadowPost($current_post);
1671 check_user_notification($current_post);
1674 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1675 } elseif (!empty($parent) && $parent['origin']) {
1676 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1679 return $current_post;
1683 * @brief Insert a new item content entry
1685 * @param array $item The item fields that are to be inserted
1687 private static function insertActivity(&$item)
1689 $activity_index = self::activityToIndex($item['verb']);
1691 if ($activity_index < 0) {
1695 $fields = ['uri' => $item['uri'], 'activity' => $activity_index,
1696 'uri-hash' => hash('sha1', $item['uri']) . hash('ripemd160', $item['uri'])];
1698 $saved_item = $item;
1700 // We just remove everything that is content
1701 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1702 unset($item[$field]);
1705 // To avoid timing problems, we are using locks.
1706 $locked = Lock::set('item_insert_activity');
1708 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1711 // Do we already have this content?
1712 $item_activity = dba::selectFirst('item-activity', ['id'], ['uri' => $item['uri']]);
1713 if (DBM::is_result($item_activity)) {
1714 $item['iaid'] = $item_activity['id'];
1715 logger('Fetched activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1716 } elseif (dba::insert('item-activity', $fields)) {
1717 $item['iaid'] = dba::lastInsertId();
1718 logger('Inserted activity for URI ' . $item['uri'] . ' (' . $item['iaid'] . ')');
1720 // This shouldn't happen. But if it does, we simply store it in the item-content table
1721 logger('Could not insert activity for URI ' . $item['uri'] . ' - should not happen');
1722 $item = $saved_item;
1726 Lock::remove('item_insert_activity');
1732 * @brief Insert a new item content entry
1734 * @param array $item The item fields that are to be inserted
1736 private static function insertContent(&$item)
1738 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1739 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1741 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1742 if (isset($item[$field])) {
1743 $fields[$field] = $item[$field];
1744 unset($item[$field]);
1748 // To avoid timing problems, we are using locks.
1749 $locked = Lock::set('item_insert_content');
1751 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1754 // Do we already have this content?
1755 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1756 if (DBM::is_result($item_content)) {
1757 $item['icid'] = $item_content['id'];
1758 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1759 } elseif (dba::insert('item-content', $fields)) {
1760 $item['icid'] = dba::lastInsertId();
1761 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1763 // By setting the ICID value through the worker we should avoid timing problems.
1764 // When the locking works, this shouldn't be needed. But better be prepared.
1765 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']);
1766 logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
1769 Lock::remove('item_insert_content');
1774 * @brief Set the item content id for a given URI
1776 * @param string $uri The item URI
1778 public static function setICIDforURI($uri)
1780 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1781 if (DBM::is_result($item_content)) {
1782 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1783 logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows());
1785 logger('No item-content found for URI ' . $uri);
1790 * @brief Update existing item content entries
1792 * @param array $item The item fields that are to be changed
1793 * @param array $condition The condition for finding the item content entries
1795 private static function updateActivity($item, $condition)
1797 if (empty($item['verb'])) {
1800 $activity_index = self::activityToIndex($item['verb']);
1802 if ($activity_index < 0) {
1806 $fields = ['activity' => $activity_index,
1807 'uri-hash' => hash('sha1', $condition['uri']) . hash('ripemd160', $condition['uri'])];
1809 logger('Update activity for URI ' . $condition['uri']);
1811 dba::update('item-activity', $fields, $condition, true);
1817 * @brief Update existing item content entries
1819 * @param array $item The item fields that are to be changed
1820 * @param array $condition The condition for finding the item content entries
1822 private static function updateContent($item, $condition)
1824 // We have to select only the fields from the "item-content" table
1826 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1827 if (isset($item[$field])) {
1828 $fields[$field] = $item[$field];
1832 if (empty($fields)) {
1836 if (!empty($item['plink'])) {
1837 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1839 // Ensure that we don't delete the plink
1840 unset($fields['plink']);
1843 logger('Update content for URI ' . $condition['uri']);
1845 dba::update('item-content', $fields, $condition, true);
1849 * @brief Distributes public items to the receivers
1851 * @param integer $itemid Item ID that should be added
1852 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1854 public static function distribute($itemid, $signed_text = '')
1856 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1857 $parent = self::selectFirst(['owner-id'], $condition);
1858 if (!DBM::is_result($parent)) {
1862 // Only distribute public items from native networks
1863 $condition = ['id' => $itemid, 'uid' => 0,
1864 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1865 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1866 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1867 if (!DBM::is_result($item)) {
1872 unset($item['parent']);
1873 unset($item['mention']);
1874 unset($item['wall']);
1875 unset($item['origin']);
1876 unset($item['starred']);
1880 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1881 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1882 $contacts = dba::select('contact', ['uid'], $condition);
1883 while ($contact = dba::fetch($contacts)) {
1884 $users[$contact['uid']] = $contact['uid'];
1889 if ($item['uri'] != $item['parent-uri']) {
1890 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1891 while ($parent = dba::fetch($parents)) {
1892 $users[$parent['uid']] = $parent['uid'];
1893 if ($parent['origin'] && !$item['origin']) {
1894 $origin_uid = $parent['uid'];
1899 foreach ($users as $uid) {
1900 if ($origin_uid == $uid) {
1901 $item['diaspora_signed_text'] = $signed_text;
1903 self::storeForUser($itemid, $item, $uid);
1908 * @brief Store public items for the receivers
1910 * @param integer $itemid Item ID that should be added
1911 * @param array $item The item entry that will be stored
1912 * @param integer $uid The user that will receive the item entry
1914 private static function storeForUser($itemid, $item, $uid)
1916 $item['uid'] = $uid;
1917 $item['origin'] = 0;
1919 if ($item['uri'] == $item['parent-uri']) {
1920 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1922 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1925 if (empty($item['contact-id'])) {
1926 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1927 if (!DBM::is_result($self)) {
1930 $item['contact-id'] = $self['id'];
1933 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1934 $item['type'] = 'remote-comment';
1935 } elseif ($item['type'] == 'wall') {
1936 $item['type'] = 'remote';
1939 /// @todo Handling of "event-id"
1942 if ($item['uri'] == $item['parent-uri']) {
1943 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1944 if (DBM::is_result($contact)) {
1945 $notify = self::isRemoteSelf($contact, $item);
1949 $distributed = self::insert($item, false, $notify, true);
1951 if (!$distributed) {
1952 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1954 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1959 * @brief Add a shadow entry for a given item id that is a thread starter
1961 * We store every public item entry additionally with the user id "0".
1962 * This is used for the community page and for the search.
1963 * It is planned that in the future we will store public item entries only once.
1965 * @param integer $itemid Item ID that should be added
1967 public static function addShadow($itemid)
1969 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1970 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1971 $item = self::selectFirst($fields, $condition);
1973 if (!DBM::is_result($item)) {
1977 // is it already a copy?
1978 if (($itemid == 0) || ($item['uid'] == 0)) {
1982 // Is it a visible public post?
1983 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1987 // is it an entry from a connector? Only add an entry for natively connected networks
1988 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1992 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1996 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1998 if (DBM::is_result($item)) {
1999 // Preparing public shadow (removing user specific data)
2002 unset($item['parent']);
2003 unset($item['wall']);
2004 unset($item['mention']);
2005 unset($item['origin']);
2006 unset($item['starred']);
2007 if ($item['uri'] == $item['parent-uri']) {
2008 $item['contact-id'] = $item['owner-id'];
2010 $item['contact-id'] = $item['author-id'];
2013 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2014 $item['type'] = 'remote-comment';
2015 } elseif ($item['type'] == 'wall') {
2016 $item['type'] = 'remote';
2019 $public_shadow = self::insert($item, false, false, true);
2021 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
2026 * @brief Add a shadow entry for a given item id that is a comment
2028 * This function does the same like the function above - but for comments
2030 * @param integer $itemid Item ID that should be added
2032 public static function addShadowPost($itemid)
2034 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
2035 if (!DBM::is_result($item)) {
2039 // Is it a toplevel post?
2040 if ($item['id'] == $item['parent']) {
2041 self::addShadow($itemid);
2045 // Is this a shadow entry?
2046 if ($item['uid'] == 0) {
2050 // Is there a shadow parent?
2051 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
2055 // Is there already a shadow entry?
2056 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
2060 // Save "origin" and "parent" state
2061 $origin = $item['origin'];
2062 $parent = $item['parent'];
2064 // Preparing public shadow (removing user specific data)
2067 unset($item['parent']);
2068 unset($item['wall']);
2069 unset($item['mention']);
2070 unset($item['origin']);
2071 unset($item['starred']);
2072 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
2074 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
2075 $item['type'] = 'remote-comment';
2076 } elseif ($item['type'] == 'wall') {
2077 $item['type'] = 'remote';
2080 $public_shadow = self::insert($item, false, false, true);
2082 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
2084 // If this was a comment to a Diaspora post we don't get our comment back.
2085 // This means that we have to distribute the comment by ourselves.
2086 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
2087 self::distribute($public_shadow);
2092 * Adds a language specification in a "language" element of given $arr.
2093 * Expects "body" element to exist in $arr.
2095 private static function addLanguageToItemArray(&$item)
2097 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
2099 $ld = new Text_LanguageDetect();
2100 $ld->setNameMode(2);
2101 $languages = $ld->detect($naked_body, 3);
2103 if (is_array($languages)) {
2104 $item['language'] = json_encode($languages);
2109 * @brief Creates an unique guid out of a given uri
2111 * @param string $uri uri of an item entry
2112 * @param string $host hostname for the GUID prefix
2113 * @return string unique guid
2115 public static function guidFromUri($uri, $host)
2117 // Our regular guid routine is using this kind of prefix as well
2118 // We have to avoid that different routines could accidentally create the same value
2119 $parsed = parse_url($uri);
2121 // We use a hash of the hostname as prefix for the guid
2122 $guid_prefix = hash("crc32", $host);
2124 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
2125 unset($parsed["scheme"]);
2127 // Glue it together to be able to make a hash from it
2128 $host_id = implode("/", $parsed);
2130 // We could use any hash algorithm since it isn't a security issue
2131 $host_hash = hash("ripemd128", $host_id);
2133 return $guid_prefix.$host_hash;
2137 * generate an unique URI
2139 * @param integer $uid User id
2140 * @param string $guid An existing GUID (Otherwise it will be generated)
2144 public static function newURI($uid, $guid = "")
2147 $guid = get_guid(32);
2150 $hostname = self::getApp()->get_hostname();
2152 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
2154 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
2160 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
2162 * This can be used to filter for inactive contacts.
2163 * Only do this for public postings to avoid privacy problems, since poco data is public.
2164 * Don't set this value if it isn't from the owner (could be an author that we don't know)
2166 * @param array $arr Contains the just posted item record
2168 private static function updateContact($arr)
2170 // Unarchive the author
2171 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
2172 if (DBM::is_result($contact)) {
2173 Contact::unmarkForArchival($contact);
2176 // Unarchive the contact if it's not our own contact
2177 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
2178 if (DBM::is_result($contact)) {
2179 Contact::unmarkForArchival($contact);
2182 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
2184 // Is it a forum? Then we don't care about the rules from above
2185 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
2186 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
2192 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2193 ['id' => $arr['contact-id']]);
2195 // Now do the same for the system wide contacts with uid=0
2196 if (!$arr['private']) {
2197 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2198 ['id' => $arr['owner-id']]);
2200 if ($arr['owner-id'] != $arr['author-id']) {
2201 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2202 ['id' => $arr['author-id']]);
2207 public static function setHashtags(&$item)
2210 $tags = get_tags($item["body"]);
2213 if (!count($tags)) {
2217 // This sorting is important when there are hashtags that are part of other hashtags
2218 // Otherwise there could be problems with hashtags like #test and #test2
2221 $URLSearchString = "^\[\]";
2223 // All hashtags should point to the home server if "local_tags" is activated
2224 if (Config::get('system', 'local_tags')) {
2225 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2226 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2228 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2229 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2232 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2233 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2235 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2238 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2240 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2243 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2245 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2248 // Repair recursive urls
2249 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2250 "#$2", $item["body"]);
2252 foreach ($tags as $tag) {
2253 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2257 $basetag = str_replace('_',' ',substr($tag,1));
2259 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2261 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2263 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2264 if (strlen($item["tag"])) {
2265 $item["tag"] = ','.$item["tag"];
2267 $item["tag"] = $newtag.$item["tag"];
2271 // Convert back the masked hashtags
2272 $item["body"] = str_replace("#", "#", $item["body"]);
2275 public static function getGuidById($id)
2277 $item = self::selectFirst(['guid'], ['id' => $id]);
2278 if (DBM::is_result($item)) {
2279 return $item['guid'];
2285 public static function getIdAndNickByGuid($guid, $uid = 0)
2291 $uid == local_user();
2294 // Does the given user have this item?
2296 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2297 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2298 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2299 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2300 if (DBM::is_result($item)) {
2302 $nick = $item["nickname"];
2306 // Or is it anywhere on the server?
2308 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2309 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2310 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2311 AND NOT `item`.`private` AND `item`.`wall`
2312 AND `item`.`guid` = ?", $guid);
2313 if (DBM::is_result($item)) {
2315 $nick = $item["nickname"];
2318 return ["nick" => $nick, "id" => $id];
2322 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2324 * @param int $item_id
2325 * @return bool true if item was deleted, else false
2327 private static function tagDeliver($uid, $item_id)
2331 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2332 if (!DBM::is_result($user)) {
2336 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2337 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2339 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2340 if (!DBM::is_result($item)) {
2344 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2347 * Diaspora uses their own hardwired link URL in @-tags
2348 * instead of the one we supply with webfinger
2350 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2352 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2354 foreach ($matches as $mtch) {
2355 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2357 logger('mention found: ' . $mtch[2]);
2363 if (($community_page || $prvgroup) &&
2364 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2365 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2367 logger("no-mention top-level post to community or private group. delete.");
2368 dba::delete('item', ['id' => $item_id]);
2374 $arr = ['item' => $item, 'user' => $user];
2376 Addon::callHooks('tagged', $arr);
2378 if (!$community_page && !$prvgroup) {
2383 * tgroup delivery - setup a second delivery chain
2384 * prevent delivery looping - only proceed
2385 * if the message originated elsewhere and is a top-level post
2387 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2391 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2392 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2393 if (!DBM::is_result($self)) {
2397 $owner_id = Contact::getIdForURL($self['url']);
2399 // also reset all the privacy bits to the forum default permissions
2401 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2403 $forum_mode = ($prvgroup ? 2 : 1);
2405 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2406 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2407 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2408 dba::update('item', $fields, ['id' => $item_id]);
2410 self::updateThread($item_id);
2412 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2415 public static function isRemoteSelf($contact, &$datarray)
2419 if (!$contact['remote_self']) {
2423 // Prevent the forwarding of posts that are forwarded
2424 if ($datarray["extid"] == NETWORK_DFRN) {
2425 logger('Already forwarded', LOGGER_DEBUG);
2429 // Prevent to forward already forwarded posts
2430 if ($datarray["app"] == $a->get_hostname()) {
2431 logger('Already forwarded (second test)', LOGGER_DEBUG);
2435 // Only forward posts
2436 if ($datarray["verb"] != ACTIVITY_POST) {
2437 logger('No post', LOGGER_DEBUG);
2441 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2442 logger('Not public', LOGGER_DEBUG);
2446 $datarray2 = $datarray;
2447 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2448 if ($contact['remote_self'] == 2) {
2449 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2450 ['uid' => $contact['uid'], 'self' => true]);
2451 if (DBM::is_result($self)) {
2452 $datarray['contact-id'] = $self["id"];
2454 $datarray['owner-name'] = $self["name"];
2455 $datarray['owner-link'] = $self["url"];
2456 $datarray['owner-avatar'] = $self["thumb"];
2458 $datarray['author-name'] = $datarray['owner-name'];
2459 $datarray['author-link'] = $datarray['owner-link'];
2460 $datarray['author-avatar'] = $datarray['owner-avatar'];
2462 unset($datarray['created']);
2463 unset($datarray['edited']);
2465 unset($datarray['network']);
2466 unset($datarray['owner-id']);
2467 unset($datarray['author-id']);
2470 if ($contact['network'] != NETWORK_FEED) {
2471 $datarray["guid"] = get_guid(32);
2472 unset($datarray["plink"]);
2473 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2474 $datarray["parent-uri"] = $datarray["uri"];
2475 $datarray["thr-parent"] = $datarray["uri"];
2476 $datarray["extid"] = NETWORK_DFRN;
2477 $urlpart = parse_url($datarray2['author-link']);
2478 $datarray["app"] = $urlpart["host"];
2480 $datarray['private'] = 0;
2484 if ($contact['network'] != NETWORK_FEED) {
2485 // Store the original post
2486 $result = self::insert($datarray2, false, false);
2487 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2489 $datarray["app"] = "Feed";
2493 // Trigger automatic reactions for addons
2494 $datarray['api_source'] = true;
2496 // We have to tell the hooks who we are - this really should be improved
2497 $_SESSION["authenticated"] = true;
2498 $_SESSION["uid"] = $contact['uid'];
2507 * @param array $item
2511 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2513 if (Config::get('system', 'disable_embedded')) {
2517 logger('check for photos', LOGGER_DEBUG);
2518 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2523 $img_start = strpos($orig_body, '[img');
2524 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2525 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2527 while (($img_st_close !== false) && ($img_len !== false)) {
2528 $img_st_close++; // make it point to AFTER the closing bracket
2529 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2531 logger('found photo ' . $image, LOGGER_DEBUG);
2533 if (stristr($image, $site . '/photo/')) {
2534 // Only embed locally hosted photos
2536 $i = basename($image);
2537 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2538 $x = strpos($i, '-');
2541 $res = substr($i, $x + 1);
2542 $i = substr($i, 0, $x);
2543 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2544 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2545 if (DBM::is_result($photo)) {
2547 * Check to see if we should replace this photo link with an embedded image
2548 * 1. No need to do so if the photo is public
2549 * 2. If there's a contact-id provided, see if they're in the access list
2550 * for the photo. If so, embed it.
2551 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2552 * permissions, regardless of order but first check to see if they're an exact
2553 * match to save some processing overhead.
2555 if (self::hasPermissions($photo)) {
2557 $recips = self::enumeratePermissions($photo);
2558 if (in_array($cid, $recips)) {
2562 if (self::samePermissions($item, $photo)) {
2568 $data = $photo['data'];
2569 $type = $photo['type'];
2571 // If a custom width and height were specified, apply before embedding
2572 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2573 logger('scaling photo', LOGGER_DEBUG);
2575 $width = intval($match[1]);
2576 $height = intval($match[2]);
2578 $Image = new Image($data, $type);
2579 if ($Image->isValid()) {
2580 $Image->scaleDown(max($width, $height));
2581 $data = $Image->asString();
2582 $type = $Image->getType();
2586 logger('replacing photo', LOGGER_DEBUG);
2587 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2588 logger('replaced: ' . $image, LOGGER_DATA);
2594 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2595 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2596 if ($orig_body === false) {
2600 $img_start = strpos($orig_body, '[img');
2601 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2602 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2605 $new_body = $new_body . $orig_body;
2610 private static function hasPermissions($obj)
2612 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2613 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2616 private static function samePermissions($obj1, $obj2)
2618 // first part is easy. Check that these are exactly the same.
2619 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2620 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2621 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2622 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2626 // This is harder. Parse all the permissions and compare the resulting set.
2627 $recipients1 = self::enumeratePermissions($obj1);
2628 $recipients2 = self::enumeratePermissions($obj2);
2632 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2633 return ($recipients1 == $recipients2);
2636 // returns an array of contact-ids that are allowed to see this object
2637 private static function enumeratePermissions($obj)
2639 $allow_people = expand_acl($obj['allow_cid']);
2640 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2641 $deny_people = expand_acl($obj['deny_cid']);
2642 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2643 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2644 $deny = array_unique(array_merge($deny_people, $deny_groups));
2645 $recipients = array_diff($recipients, $deny);
2649 public static function getFeedTags($item)
2653 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2655 for ($x = 0; $x < $cnt; $x ++) {
2656 if ($matches[1][$x]) {
2657 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2662 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2664 for ($x = 0; $x < $cnt; $x ++) {
2665 if ($matches[1][$x]) {
2666 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2673 public static function expire($uid, $days, $network = "", $force = false)
2675 if (!$uid || ($days < 1)) {
2679 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2680 $uid, GRAVITY_PARENT];
2683 * $expire_network_only = save your own wall posts
2684 * and just expire conversations started by others
2686 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2688 if ($expire_network_only) {
2689 $condition[0] .= " AND NOT `wall`";
2692 if ($network != "") {
2693 $condition[0] .= " AND `network` = ?";
2694 $condition[] = $network;
2697 * There is an index "uid_network_received" but not "uid_network_created"
2698 * This avoids the creation of another index just for one purpose.
2699 * And it doesn't really matter wether to look at "received" or "created"
2701 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2702 $condition[] = $days;
2704 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2705 $condition[] = $days;
2708 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id'], $condition);
2710 if (!DBM::is_result($items)) {
2714 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2716 // Forcing expiring of items - but not notes and marked items
2718 $expire_items = true;
2721 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2722 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2723 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2727 while ($item = Item::fetch($items)) {
2728 // don't expire filed items
2730 if (strpos($item['file'], '[') !== false) {
2734 // Only expire posts, not photos and photo comments
2736 if (!$expire_photos && strlen($item['resource-id'])) {
2738 } elseif (!$expire_starred && intval($item['starred'])) {
2740 } elseif (!$expire_notes && $item['type'] == 'note') {
2742 } elseif (!$expire_items && $item['type'] != 'note') {
2746 self::deleteById($item['id'], PRIORITY_LOW);
2751 logger('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2754 public static function firstPostDate($uid, $wall = false)
2756 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2757 $params = ['order' => ['created' => false]];
2758 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2759 if (DBM::is_result($thread)) {
2760 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2766 * @brief add/remove activity to an item
2768 * Toggle activities as like,dislike,attend of an item
2770 * @param string $item_id
2771 * @param string $verb
2772 * Activity verb. One of
2773 * like, unlike, dislike, undislike, attendyes, unattendyes,
2774 * attendno, unattendno, attendmaybe, unattendmaybe
2775 * @hook 'post_local_end'
2777 * 'post_id' => ID of posted item
2779 public static function performLike($item_id, $verb)
2781 if (!local_user() && !remote_user()) {
2788 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2789 $activity = ACTIVITY_LIKE;
2793 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2794 $activity = ACTIVITY_DISLIKE;
2798 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2799 $activity = ACTIVITY_ATTEND;
2803 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2804 $activity = ACTIVITY_ATTENDNO;
2807 case 'unattendmaybe':
2808 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2809 $activity = ACTIVITY_ATTENDMAYBE;
2812 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2816 // Enable activity toggling instead of on/off
2817 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2819 logger('like: verb ' . $verb . ' item ' . $item_id);
2821 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2822 if (!DBM::is_result($item)) {
2823 logger('like: unknown item ' . $item_id);
2827 $uid = $item['uid'];
2828 if (($uid == 0) && local_user()) {
2829 $uid = local_user();
2832 if (!can_write_wall($uid)) {
2833 logger('like: unable to write on wall ' . $uid);
2837 // Retrieves the local post owner
2838 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2839 if (!DBM::is_result($owner_self_contact)) {
2840 logger('like: unknown owner ' . $uid);
2844 // Retrieve the current logged in user's public contact
2845 $author_id = public_contact();
2847 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2848 if (!DBM::is_result($author_contact)) {
2849 logger('like: unknown author ' . $author_id);
2853 // Contact-id is the uid-dependant author contact
2854 if (local_user() == $uid) {
2855 $item_contact_id = $owner_self_contact['id'];
2856 $item_contact = $owner_self_contact;
2858 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2859 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2860 if (!DBM::is_result($item_contact)) {
2861 logger('like: unknown item contact ' . $item_contact_id);
2866 // Look for an existing verb row
2867 // event participation are essentially radio toggles. If you make a subsequent choice,
2868 // we need to eradicate your first choice.
2869 if ($event_verb_flag) {
2870 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2875 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2876 'author-id' => $author_contact['id'], 'uid' => $item['uid']];
2878 $condition = array_merge($base_condition, ['parent' => $item_id]);
2879 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2881 if (!DBM::is_result($like_item)) {
2882 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2883 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2886 if (!DBM::is_result($like_item)) {
2887 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2888 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2891 // If it exists, mark it as deleted
2892 if (DBM::is_result($like_item)) {
2893 // Already voted, undo it
2894 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2895 /// @todo Consider using self::update - but before doing so, check the side effects
2896 dba::update('item', $fields, ['id' => $like_item['id']]);
2898 // Clean up the Diaspora signatures for this like
2899 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2900 // if it had been enabled in the past
2901 dba::delete('sign', ['iid' => $like_item['id']]);
2903 $like_item_id = $like_item['id'];
2904 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2906 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2911 // Verb is "un-something", just trying to delete existing entries
2912 if (strpos($verb, 'un') === 0) {
2916 // Else or if event verb different from existing row, create a new item row
2917 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2918 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2919 $post_type = L10n::t('event');
2921 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2922 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2923 $body = $item['body'];
2928 <type>$objtype</type>
2930 <id>{$item['uri']}</id>
2933 <content>$body</content>
2937 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2938 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2939 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2942 'guid' => get_guid(32),
2943 'uri' => self::newURI($item['uid']),
2944 'uid' => $item['uid'],
2945 'contact-id' => $item_contact_id,
2946 'type' => 'activity',
2947 'wall' => $item['wall'],
2949 'gravity' => GRAVITY_ACTIVITY,
2950 'parent' => $item['id'],
2951 'parent-uri' => $item['uri'],
2952 'thr-parent' => $item['uri'],
2953 'owner-id' => $item['owner-id'],
2954 'owner-name' => $item['owner-name'],
2955 'owner-link' => $item['owner-link'],
2956 'owner-avatar' => $item['owner-avatar'],
2957 'author-id' => $author_contact['id'],
2958 'author-name' => $author_contact['name'],
2959 'author-link' => $author_contact['url'],
2960 'author-avatar' => $author_contact['thumb'],
2961 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2962 'verb' => $activity,
2963 'object-type' => $objtype,
2965 'allow_cid' => $item['allow_cid'],
2966 'allow_gid' => $item['allow_gid'],
2967 'deny_cid' => $item['deny_cid'],
2968 'deny_gid' => $item['deny_gid'],
2973 $new_item_id = self::insert($new_item);
2975 // If the parent item isn't visible then set it to visible
2976 if (!$item['visible']) {
2977 self::update(['visible' => true], ['id' => $item['id']]);
2980 // Save the author information for the like in case we need to relay to Diaspora
2981 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2983 $new_item['id'] = $new_item_id;
2985 Addon::callHooks('post_local_end', $new_item);
2987 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2992 private static function addThread($itemid, $onlyshadow = false)
2994 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2995 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2996 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2997 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2998 $item = self::selectFirst($fields, $condition);
3000 if (!DBM::is_result($item)) {
3004 $item['iid'] = $itemid;
3007 $result = dba::insert('thread', $item);
3009 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3013 private static function updateThread($itemid, $setmention = false)
3015 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
3016 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
3017 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
3018 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
3020 $item = self::selectFirst($fields, $condition);
3021 if (!DBM::is_result($item)) {
3026 $item["mention"] = 1;
3033 foreach ($item as $field => $data) {
3034 if (!in_array($field, ["guid"])) {
3035 $fields[$field] = $data;
3039 $result = dba::update('thread', $fields, ['iid' => $itemid]);
3041 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
3044 private static function deleteThread($itemid, $itemuri = "")
3046 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
3047 if (!DBM::is_result($item)) {
3048 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
3052 // Using dba::delete at this time could delete the associated item entries
3053 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
3055 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
3057 if ($itemuri != "") {
3058 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
3059 if (!self::exists($condition)) {
3060 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
3061 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);