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;
28 use Text_LanguageDetect;
30 require_once 'boot.php';
31 require_once 'include/items.php';
32 require_once 'include/text.php';
34 class Item extends BaseObject
36 // Field list that is used to display the items
37 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
38 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
39 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach',
40 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
41 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
42 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
43 'owner-id', 'owner-link', 'owner-name', 'owner-avatar',
44 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
45 'network', 'url', 'name', 'writable', 'self', 'cid', 'alias',
46 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
47 'event-summary', 'event-desc', 'event-location', 'event-type',
48 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
50 // Field list that is used to deliver items via the protocols
51 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
52 'created', 'edited', 'verb', 'object-type', 'object', 'target',
53 'private', 'title', 'body', 'location', 'coord', 'app',
54 'attach', 'tag', 'bookmark', 'deleted', 'extid',
55 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
56 'author-id', 'author-link', 'owner-link', 'contact-uid',
57 'signed_text', 'signature', 'signer'];
60 * Retrieve a single record from the item table for a given user and returns it in an associative array
62 * @brief Retrieve a single record from a table
63 * @param integer $uid User ID
64 * @param array $fields
65 * @param array $condition
66 * @param array $params
70 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
72 $params['uid'] = $uid;
74 if (empty($selected)) {
75 $selected = Item::DISPLAY_FIELDLIST;
78 return self::selectFirst($selected, $condition, $params);
82 * @brief Select rows from the item table for a given user
84 * @param integer $uid User ID
85 * @param array $selected Array of selected fields, empty for all
86 * @param array $condition Array of fields for condition
87 * @param array $params Array of several parameters
89 * @return boolean|object
91 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
93 $params['uid'] = $uid;
95 if (empty($selected)) {
96 $selected = Item::DISPLAY_FIELDLIST;
99 return self::select($selected, $condition, $params);
103 * Retrieve a single record from the item table and returns it in an associative array
105 * @brief Retrieve a single record from a table
106 * @param array $fields
107 * @param array $condition
108 * @param array $params
112 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
114 $params['limit'] = 1;
116 $result = self::select($fields, $condition, $params);
118 if (is_bool($result)) {
121 $row = dba::fetch($result);
128 * @brief Select rows from the item table
130 * @param array $selected Array of selected fields, empty for all
131 * @param array $condition Array of fields for condition
132 * @param array $params Array of several parameters
134 * @return boolean|object
136 public static function select(array $selected = [], array $condition = [], $params = [])
141 if (isset($params['uid'])) {
142 $uid = $params['uid'];
146 $fields = self::fieldlist($selected);
148 $select_fields = self::constructSelectFields($fields, $selected);
150 $condition_string = dba::buildCondition($condition);
152 $condition_string = self::addTablesToFields($condition_string, $fields);
155 $condition_string = $condition_string . ' AND ' . self::condition(false);
158 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
160 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
162 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
164 return dba::p($sql, $condition);
168 * @brief Select rows from the starting post in the item table
170 * @param integer $uid User ID
171 * @param array $fields Array of selected fields, empty for all
172 * @param array $condition Array of fields for condition
173 * @param array $params Array of several parameters
175 * @return boolean|object
177 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
179 $params['uid'] = $uid;
181 if (empty($selected)) {
182 $selected = Item::DISPLAY_FIELDLIST;
185 return self::selectThread($selected, $condition, $params);
189 * Retrieve a single record from the starting post in the item table and returns it in an associative array
191 * @brief Retrieve a single record from a table
192 * @param integer $uid User ID
193 * @param array $selected
194 * @param array $condition
195 * @param array $params
199 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
201 $params['uid'] = $uid;
203 if (empty($selected)) {
204 $selected = Item::DISPLAY_FIELDLIST;
207 return self::selectFirstThread($selected, $condition, $params);
211 * Retrieve a single record from the starting post in the item table and returns it in an associative array
213 * @brief Retrieve a single record from a table
214 * @param array $fields
215 * @param array $condition
216 * @param array $params
220 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
222 $params['limit'] = 1;
223 $result = self::selectThread($fields, $condition, $params);
225 if (is_bool($result)) {
228 $row = dba::fetch($result);
235 * @brief Select rows from the starting post in the item table
237 * @param array $selected Array of selected fields, empty for all
238 * @param array $condition Array of fields for condition
239 * @param array $params Array of several parameters
241 * @return boolean|object
243 public static function selectThread(array $selected = [], array $condition = [], $params = [])
248 if (isset($params['uid'])) {
249 $uid = $params['uid'];
253 $fields = self::fieldlist($selected);
255 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
256 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
257 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
258 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
260 $select_fields = self::constructSelectFields($fields, $selected);
262 $condition_string = dba::buildCondition($condition);
264 $condition_string = self::addTablesToFields($condition_string, $threadfields);
265 $condition_string = self::addTablesToFields($condition_string, $fields);
268 $condition_string = $condition_string . ' AND ' . self::condition(true);
271 $param_string = dba::buildParameter($params);
272 $param_string = self::addTablesToFields($param_string, $threadfields);
273 $param_string = self::addTablesToFields($param_string, $fields);
275 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
277 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
279 return dba::p($sql, $condition);
283 * @brief Returns a list of fields that are associated with the item table
285 * @return array field list
287 private static function fieldlist($selected)
291 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
292 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
293 'created', 'edited', 'commented', 'received', 'changed',
294 'title', 'body', 'app', 'verb', 'object-type', 'object', 'target-type', 'target',
295 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
296 'file', 'location', 'coord', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
297 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
298 'unseen', 'deleted', 'origin', 'forum_mode', 'mention',
299 'rendered-hash', 'rendered-html', 'global', 'content-warning',
300 'id' => 'item_id', 'network'];
302 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
303 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
305 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
306 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
308 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
309 'url', 'name', 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
310 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id', 'network' => 'contact-network'];
312 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
314 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
316 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
317 'start' => 'event-start','finish' => 'event-finish',
318 'summary' => 'event-summary','desc' => 'event-desc',
319 'location' => 'event-location', 'type' => 'event-type',
320 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
321 'ignore' => 'event-ignore', 'id' => 'event-id'];
323 $fields['sign'] = ['signed_text', 'signature', 'signer'];
329 * @brief Returns SQL condition for the "select" functions
331 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
333 * @return string SQL condition
335 private static function condition($thread_mode)
338 $master_table = "`thread`";
340 $master_table = "`item`";
342 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
346 * @brief Returns all needed "JOIN" commands for the "select" functions
348 * @param integer $uid User ID
349 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
350 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
352 * @return string The SQL joins for the "select" functions
354 private static function constructJoins($uid, $sql_commands, $thread_mode)
357 $master_table = "`thread`";
358 $master_table_key = "`thread`.`iid`";
359 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
361 $master_table = "`item`";
362 $master_table_key = "`item`.`id`";
366 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
367 AND NOT `contact`.`blocked`
368 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
369 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
370 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
371 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
372 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
373 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
375 if (strpos($sql_commands, "`group_member`.") !== false) {
376 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
379 if (strpos($sql_commands, "`user`.") !== false) {
380 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
383 if (strpos($sql_commands, "`event`.") !== false) {
384 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
387 if (strpos($sql_commands, "`sign`.") !== false) {
388 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
391 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
392 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
395 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
396 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
403 * @brief Add the field list for the "select" functions
405 * @param array $fields The field definition array
406 * @param array $selected The array with the selected fields from the "select" functions
408 * @return string The field list
410 private static function constructSelectFields($fields, $selected)
413 foreach ($fields as $table => $table_fields) {
414 foreach ($table_fields as $field => $select) {
415 if (empty($selected) || in_array($select, $selected)) {
416 if (is_int($field)) {
417 $selection[] = "`" . $table . "`.`".$select."`";
419 $selection[] = "`" . $table . "`.`" . $field . "` AS `".$select ."`";
424 return implode(", ", $selection);
428 * @brief add table definition to fields in an SQL query
430 * @param string $query SQL query
431 * @param array $fields The field definition array
433 * @return string the changed SQL query
435 private static function addTablesToFields($query, $fields)
437 foreach ($fields as $table => $table_fields) {
438 foreach ($table_fields as $alias => $field) {
439 if (is_int($alias)) {
440 $replace_field = $field;
442 $replace_field = $alias;
445 $search = "/([^\.])`" . $field . "`/i";
446 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
447 $query = preg_replace($search, $replace, $query);
454 * @brief Update existing item entries
456 * @param array $fields The fields that are to be changed
457 * @param array $condition The condition for finding the item entries
459 * In the future we may have to change permissions as well.
460 * Then we had to add the user id as third parameter.
462 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
464 * @return integer|boolean number of affected rows - or "false" if there was an error
466 public static function update(array $fields, array $condition)
468 if (empty($condition) || empty($fields)) {
472 // To ensure the data integrity we do it in an transaction
475 // We cannot simply expand the condition to check for origin entries
476 // The condition needn't to be a simple array but could be a complex condition.
477 // And we have to execute this query before the update to ensure to fetch the same data.
478 $items = dba::select('item', ['id', 'origin'], $condition);
480 $success = dba::update('item', $fields, $condition);
488 $rows = dba::affected_rows();
490 while ($item = dba::fetch($items)) {
491 Term::insertFromTagFieldByItemId($item['id']);
492 Term::insertFromFileFieldByItemId($item['id']);
493 self::updateThread($item['id']);
495 // We only need to notfiy others when it is an original entry from us.
496 // Only call the notifier when the item has some content relevant change.
497 if ($item['origin'] && in_array('edited', array_keys($fields))) {
498 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
508 * @brief Delete an item and notify others about it - if it was ours
510 * @param array $condition The condition for finding the item entries
511 * @param integer $priority Priority for the notification
513 public static function delete($condition, $priority = PRIORITY_HIGH)
515 $items = dba::select('item', ['id'], $condition);
516 while ($item = dba::fetch($items)) {
517 self::deleteById($item['id'], $priority);
523 * @brief Delete an item for an user and notify others about it - if it was ours
525 * @param array $condition The condition for finding the item entries
526 * @param integer $uid User who wants to delete this item
528 public static function deleteForUser($condition, $uid)
534 $items = dba::select('item', ['id', 'uid'], $condition);
535 while ($item = dba::fetch($items)) {
536 // "Deleting" global items just means hiding them
537 if ($item['uid'] == 0) {
538 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
539 } elseif ($item['uid'] == $uid) {
540 self::deleteById($item['id'], PRIORITY_HIGH);
542 logger('Wrong ownership. Not deleting item ' . $item['id']);
549 * @brief Delete an item and notify others about it - if it was ours
551 * @param integer $item_id Item ID that should be delete
552 * @param integer $priority Priority for the notification
554 * @return boolean success
556 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
558 // locate item to be deleted
559 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
560 'deleted', 'file', 'resource-id', 'event-id', 'attach',
561 'verb', 'object-type', 'object', 'target', 'contact-id'];
562 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
563 if (!DBM::is_result($item)) {
564 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
568 if ($item['deleted']) {
569 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
573 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
574 if (!DBM::is_result($parent)) {
575 $parent = ['origin' => false];
578 // clean up categories and tags so they don't end up as orphans
581 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
583 foreach ($matches as $mtch) {
584 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
590 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
592 foreach ($matches as $mtch) {
593 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
598 * If item is a link to a photo resource, nuke all the associated photos
599 * (visitors will not have photo resources)
600 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
601 * generate a resource-id and therefore aren't intimately linked to the item.
603 if (strlen($item['resource-id'])) {
604 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
607 // If item is a link to an event, delete the event.
608 if (intval($item['event-id'])) {
609 Event::delete($item['event-id']);
612 // If item has attachments, drop them
613 foreach (explode(", ", $item['attach']) as $attach) {
614 preg_match("|attach/(\d+)|", $attach, $matches);
615 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
618 // Delete tags that had been attached to other items
619 self::deleteTagsFromItem($item);
621 // Set the item to "deleted"
622 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
623 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
624 ['id' => $item['id']]);
626 Term::insertFromTagFieldByItemId($item['id']);
627 Term::insertFromFileFieldByItemId($item['id']);
628 self::deleteThread($item['id'], $item['parent-uri']);
630 if (!dba::exists('item', ["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
631 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
634 // If it's the parent of a comment thread, kill all the kids
635 if ($item['id'] == $item['parent']) {
636 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
639 // Is it our comment and/or our thread?
640 if ($item['origin'] || $parent['origin']) {
642 // When we delete the original post we will delete all existing copies on the server as well
643 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
645 // send the notification upstream/downstream
646 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
647 } elseif ($item['uid'] != 0) {
649 // When we delete just our local user copy of an item, we have to set a marker to hide it
650 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
651 if (DBM::is_result($global_item)) {
652 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
656 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
661 private static function deleteTagsFromItem($item)
663 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
667 $xo = XML::parseString($item["object"], false);
668 $xt = XML::parseString($item["target"], false);
670 if ($xt->type != ACTIVITY_OBJ_NOTE) {
674 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
675 if (!DBM::is_result($i)) {
679 // For tags, the owner cannot remove the tag on the author's copy of the post.
680 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
681 $author_copy = $item["origin"];
683 if (($owner_remove && $author_copy) || !$owner_remove) {
687 $tags = explode(',', $i["tag"]);
690 foreach ($tags as $tag) {
691 if (trim($tag) !== trim($xo->body)) {
692 $newtags[] = trim($tag);
696 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
699 private static function guid($item, $notify)
701 $guid = notags(trim($item['guid']));
708 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
709 // We add the hash of our own host because our host is the original creator of the post.
710 $prefix_host = get_app()->get_hostname();
714 // We are only storing the post so we create a GUID from the original hostname.
715 if (!empty($item['author-link'])) {
716 $parsed = parse_url($item['author-link']);
717 if (!empty($parsed['host'])) {
718 $prefix_host = $parsed['host'];
722 if (empty($prefix_host) && !empty($item['plink'])) {
723 $parsed = parse_url($item['plink']);
724 if (!empty($parsed['host'])) {
725 $prefix_host = $parsed['host'];
729 if (empty($prefix_host) && !empty($item['uri'])) {
730 $parsed = parse_url($item['uri']);
731 if (!empty($parsed['host'])) {
732 $prefix_host = $parsed['host'];
736 // Is it in the format data@host.tld? - Used for mail contacts
737 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
738 $mailparts = explode('@', $item['author-link']);
739 $prefix_host = array_pop($mailparts);
743 if (!empty($item['plink'])) {
744 $guid = self::guidFromUri($item['plink'], $prefix_host);
745 } elseif (!empty($item['uri'])) {
746 $guid = self::guidFromUri($item['uri'], $prefix_host);
748 $guid = get_guid(32, hash('crc32', $prefix_host));
754 private static function contactId($item)
756 $contact_id = (int)$item["contact-id"];
758 if (!empty($contact_id)) {
761 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
763 * First we are looking for a suitable contact that matches with the author of the post
764 * This is done only for comments
766 if ($item['parent-uri'] != $item['uri']) {
767 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
770 // If not present then maybe the owner was found
771 if ($contact_id == 0) {
772 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
775 // Still missing? Then use the "self" contact of the current user
776 if ($contact_id == 0) {
777 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
778 if (DBM::is_result($self)) {
779 $contact_id = $self["id"];
782 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
787 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
791 // If it is a posting where users should get notifications, then define it as wall posting
794 $item['type'] = 'wall';
796 $item['network'] = NETWORK_DFRN;
797 $item['protocol'] = PROTOCOL_DFRN;
799 if (is_int($notify)) {
802 $priority = PRIORITY_HIGH;
805 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
808 $item['guid'] = self::guid($item, $notify);
809 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
811 // Store conversation data
812 $item = Conversation::insert($item);
815 * If a Diaspora signature structure was passed in, pull it out of the
816 * item array and set it aside for later storage.
820 if (x($item, 'dsprsig')) {
821 $encoded_signature = $item['dsprsig'];
822 $dsprsig = json_decode(base64_decode($item['dsprsig']));
823 unset($item['dsprsig']);
826 if (!empty($item['diaspora_signed_text'])) {
827 $diaspora_signed_text = $item['diaspora_signed_text'];
828 unset($item['diaspora_signed_text']);
830 $diaspora_signed_text = '';
833 // Converting the plink
834 /// @TODO Check if this is really still needed
835 if ($item['network'] == NETWORK_OSTATUS) {
836 if (isset($item['plink'])) {
837 $item['plink'] = OStatus::convertHref($item['plink']);
838 } elseif (isset($item['uri'])) {
839 $item['plink'] = OStatus::convertHref($item['uri']);
843 if (!empty($item['thr-parent'])) {
844 $item['parent-uri'] = $item['thr-parent'];
847 if (x($item, 'gravity')) {
848 $item['gravity'] = intval($item['gravity']);
849 } elseif ($item['parent-uri'] === $item['uri']) {
850 $item['gravity'] = 0;
851 } elseif (activity_match($item['verb'],ACTIVITY_POST)) {
852 $item['gravity'] = 6;
854 $item['gravity'] = 6; // extensible catchall
857 $item['type'] = defaults($item, 'type', 'remote');
859 $uid = intval($item['uid']);
861 // check for create date and expire time
862 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
864 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
865 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
866 $expire_interval = $user['expire'];
869 if (($expire_interval > 0) && !empty($item['created'])) {
870 $expire_date = time() - ($expire_interval * 86400);
871 $created_date = strtotime($item['created']);
872 if ($created_date < $expire_date) {
873 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
879 * Do we already have this item?
880 * We have to check several networks since Friendica posts could be repeated
881 * via OStatus (maybe Diasporsa as well)
883 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
884 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
885 trim($item['uri']), $item['uid'],
886 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
887 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
888 if (DBM::is_result($existing)) {
889 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
891 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
894 return $existing["id"];
898 self::addLanguageInPostopts($item);
900 $item['wall'] = intval(defaults($item, 'wall', 0));
901 $item['extid'] = trim(defaults($item, 'extid', ''));
902 $item['author-name'] = trim(defaults($item, 'author-name', ''));
903 $item['author-link'] = trim(defaults($item, 'author-link', ''));
904 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
905 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
906 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
907 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
908 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
909 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
910 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
911 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
912 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
913 $item['title'] = trim(defaults($item, 'title', ''));
914 $item['location'] = trim(defaults($item, 'location', ''));
915 $item['coord'] = trim(defaults($item, 'coord', ''));
916 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
917 $item['deleted'] = 0;
918 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
919 $item['verb'] = trim(defaults($item, 'verb', ''));
920 $item['object-type'] = trim(defaults($item, 'object-type', ''));
921 $item['object'] = trim(defaults($item, 'object', ''));
922 $item['target-type'] = trim(defaults($item, 'target-type', ''));
923 $item['target'] = trim(defaults($item, 'target', ''));
924 $item['plink'] = trim(defaults($item, 'plink', ''));
925 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
926 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
927 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
928 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
929 $item['private'] = intval(defaults($item, 'private', 0));
930 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
931 $item['body'] = trim(defaults($item, 'body', ''));
932 $item['tag'] = trim(defaults($item, 'tag', ''));
933 $item['attach'] = trim(defaults($item, 'attach', ''));
934 $item['app'] = trim(defaults($item, 'app', ''));
935 $item['origin'] = intval(defaults($item, 'origin', 0));
936 $item['postopts'] = trim(defaults($item, 'postopts', ''));
937 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
938 $item['event-id'] = intval(defaults($item, 'event-id', 0));
939 $item['inform'] = trim(defaults($item, 'inform', ''));
940 $item['file'] = trim(defaults($item, 'file', ''));
942 // When there is no content then we don't post it
943 if ($item['body'].$item['title'] == '') {
947 // Items cannot be stored before they happen ...
948 if ($item['created'] > DateTimeFormat::utcNow()) {
949 $item['created'] = DateTimeFormat::utcNow();
952 // We haven't invented time travel by now.
953 if ($item['edited'] > DateTimeFormat::utcNow()) {
954 $item['edited'] = DateTimeFormat::utcNow();
957 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
958 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
961 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
963 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
964 $item["contact-id"] = self::contactId($item);
966 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
967 'photo' => $item['author-avatar'], 'network' => $item['network']];
969 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
971 if (Contact::isBlocked($item["author-id"])) {
972 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
976 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
977 'photo' => $item['owner-avatar'], 'network' => $item['network']];
979 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
981 if (Contact::isBlocked($item["owner-id"])) {
982 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
986 //unset($item['author-link']);
987 unset($item['author-name']);
988 unset($item['author-avatar']);
990 //unset($item['owner-link']);
991 unset($item['owner-name']);
992 unset($item['owner-avatar']);
994 if ($item['network'] == NETWORK_PHANTOM) {
995 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
997 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
998 if (!empty($contact['network'])) {
999 $item['network'] = $contact["network"];
1001 $item['network'] = NETWORK_DFRN;
1003 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1006 // Checking if there is already an item with the same guid
1007 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1008 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1009 if (dba::exists('item', $condition)) {
1010 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1014 // Check for hashtags in the body and repair or add hashtag links
1015 self::setHashtags($item);
1017 $item['thr-parent'] = $item['parent-uri'];
1025 if ($item['parent-uri'] === $item['uri']) {
1027 $parent_deleted = 0;
1028 $allow_cid = $item['allow_cid'];
1029 $allow_gid = $item['allow_gid'];
1030 $deny_cid = $item['deny_cid'];
1031 $deny_gid = $item['deny_gid'];
1032 $notify_type = 'wall-new';
1034 // find the parent and snarf the item id and ACLs
1035 // and anything else we need to inherit
1037 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1038 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1039 'wall', 'private', 'forum_mode', 'origin'];
1040 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1041 $params = ['order' => ['id' => false]];
1042 $parent = dba::selectFirst('item', $fields, $condition, $params);
1044 if (DBM::is_result($parent)) {
1045 // is the new message multi-level threaded?
1046 // even though we don't support it now, preserve the info
1047 // and re-attach to the conversation parent.
1049 if ($parent['uri'] != $parent['parent-uri']) {
1050 $item['parent-uri'] = $parent['parent-uri'];
1052 $condition = ['uri' => $item['parent-uri'],
1053 'parent-uri' => $item['parent-uri'],
1054 'uid' => $item['uid']];
1055 $params = ['order' => ['id' => false]];
1056 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1058 if (DBM::is_result($toplevel_parent)) {
1059 $parent = $toplevel_parent;
1063 $parent_id = $parent['id'];
1064 $parent_deleted = $parent['deleted'];
1065 $allow_cid = $parent['allow_cid'];
1066 $allow_gid = $parent['allow_gid'];
1067 $deny_cid = $parent['deny_cid'];
1068 $deny_gid = $parent['deny_gid'];
1069 $item['wall'] = $parent['wall'];
1070 $notify_type = 'comment-new';
1073 * If the parent is private, force privacy for the entire conversation
1074 * This differs from the above settings as it subtly allows comments from
1075 * email correspondents to be private even if the overall thread is not.
1077 if ($parent['private']) {
1078 $item['private'] = $parent['private'];
1082 * Edge case. We host a public forum that was originally posted to privately.
1083 * The original author commented, but as this is a comment, the permissions
1084 * weren't fixed up so it will still show the comment as private unless we fix it here.
1086 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1087 $item['private'] = 0;
1090 // If its a post from myself then tag the thread as "mention"
1091 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1092 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1093 if (DBM::is_result($user)) {
1094 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1095 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$item['author-link']." and ".$item['owner-link'], LOGGER_DEBUG);
1096 if ((normalise_link($item['author-link']) == $self) || (normalise_link($item['owner-link']) == $self)) {
1097 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1098 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1103 * Allow one to see reply tweets from status.net even when
1104 * we don't have or can't see the original post.
1106 if ($force_parent) {
1107 logger('$force_parent=true, reply converted to top-level post.');
1109 $item['parent-uri'] = $item['uri'];
1110 $item['gravity'] = 0;
1112 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1116 $parent_deleted = 0;
1120 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1121 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1122 if (dba::exists('item', $condition)) {
1123 logger('duplicated item with the same uri found. '.print_r($item,true));
1127 // On Friendica and Diaspora the GUID is unique
1128 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1129 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1130 if (dba::exists('item', $condition)) {
1131 logger('duplicated item with the same guid found. '.print_r($item,true));
1135 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1136 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1137 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1138 if (dba::exists('item', $condition)) {
1139 logger('duplicated item with the same body found. '.print_r($item,true));
1144 // Is this item available in the global items (with uid=0)?
1145 if ($item["uid"] == 0) {
1146 $item["global"] = true;
1148 // Set the global flag on all items if this was a global item entry
1149 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1151 $item["global"] = dba::exists('item', ['uid' => 0, 'uri' => $item["uri"]]);
1155 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1158 $private = $item['private'];
1161 $item["allow_cid"] = $allow_cid;
1162 $item["allow_gid"] = $allow_gid;
1163 $item["deny_cid"] = $deny_cid;
1164 $item["deny_gid"] = $deny_gid;
1165 $item["private"] = $private;
1166 $item["deleted"] = $parent_deleted;
1168 // Fill the cache field
1169 put_item_in_cache($item);
1172 Addon::callHooks('post_local', $item);
1174 Addon::callHooks('post_remote', $item);
1177 // This array field is used to trigger some automatic reactions
1178 // It is mainly used in the "post_local" hook.
1179 unset($item['api_source']);
1181 if (x($item, 'cancel')) {
1182 logger('post cancelled by addon.');
1187 * Check for already added items.
1188 * There is a timing issue here that sometimes creates double postings.
1189 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1191 if ($item["uid"] == 0) {
1192 if (dba::exists('item', ['uri' => trim($item['uri']), 'uid' => 0])) {
1193 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1198 logger('' . print_r($item,true), LOGGER_DATA);
1201 $ret = dba::insert('item', $item);
1203 // When the item was successfully stored we fetch the ID of the item.
1204 if (DBM::is_result($ret)) {
1205 $current_post = dba::lastInsertId();
1207 // This can happen - for example - if there are locking timeouts.
1210 // Store the data into a spool file so that we can try again later.
1212 // At first we restore the Diaspora signature that we removed above.
1213 if (isset($encoded_signature)) {
1214 $item['dsprsig'] = $encoded_signature;
1217 // Now we store the data in the spool directory
1218 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1219 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1221 $spoolpath = get_spoolpath();
1222 if ($spoolpath != "") {
1223 $spool = $spoolpath.'/'.$file;
1224 file_put_contents($spool, json_encode($item));
1225 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1230 if ($current_post == 0) {
1231 // This is one of these error messages that never should occur.
1232 logger("couldn't find created item - we better quit now.");
1237 // How much entries have we created?
1238 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1239 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1242 // There are duplicates. We delete our just created entry.
1243 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1245 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1246 dba::delete('item', ['id' => $current_post]);
1249 } elseif ($entries == 0) {
1250 // This really should never happen since we quit earlier if there were problems.
1251 logger("Something is terribly wrong. We haven't found our created entry.");
1256 logger('created item '.$current_post);
1257 self::updateContact($item);
1259 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1260 $parent_id = $current_post;
1264 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1266 $item['id'] = $current_post;
1267 $item['parent'] = $parent_id;
1269 // update the commented timestamp on the parent
1270 // Only update "commented" if it is really a comment
1271 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1272 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1274 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1279 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1280 * We can check for this condition when we decode and encode the stuff again.
1282 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1283 $dsprsig->signature = base64_decode($dsprsig->signature);
1284 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1287 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1288 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1291 if (!empty($diaspora_signed_text)) {
1292 // Formerly we stored the signed text, the signature and the author in different fields.
1293 // We now store the raw data so that we are more flexible.
1294 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1297 $deleted = self::tagDeliver($item['uid'], $current_post);
1300 * current post can be deleted if is for a community page and no mention are
1303 if (!$deleted && !$dontcache) {
1304 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1305 if (DBM::is_result($posted_item)) {
1307 Addon::callHooks('post_local_end', $posted_item);
1309 Addon::callHooks('post_remote_end', $posted_item);
1312 logger('new item not found in DB, id ' . $current_post);
1316 if ($item['parent-uri'] === $item['uri']) {
1317 self::addThread($current_post);
1319 self::updateThread($parent_id);
1325 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1326 * This is not perfect - but a workable solution until we found the reason for the problem.
1328 Term::insertFromTagFieldByItemId($current_post);
1329 Term::insertFromFileFieldByItemId($current_post);
1331 if ($item['parent-uri'] === $item['uri']) {
1332 self::addShadow($current_post);
1334 self::addShadowPost($current_post);
1337 check_user_notification($current_post);
1340 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1341 } elseif (!empty($parent) && $parent['origin']) {
1342 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1345 return $current_post;
1349 * @brief Distributes public items to the receivers
1351 * @param integer $itemid Item ID that should be added
1352 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1354 public static function distribute($itemid, $signed_text = '')
1356 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1357 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1358 if (!DBM::is_result($parent)) {
1362 // Only distribute public items from native networks
1363 $condition = ['id' => $itemid, 'uid' => 0,
1364 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1365 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1366 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1367 if (!DBM::is_result($item)) {
1372 unset($item['parent']);
1373 unset($item['mention']);
1374 unset($item['wall']);
1375 unset($item['origin']);
1376 unset($item['starred']);
1377 unset($item['rendered-hash']);
1378 unset($item['rendered-html']);
1382 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1383 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1384 $contacts = dba::select('contact', ['uid'], $condition);
1385 while ($contact = dba::fetch($contacts)) {
1386 $users[$contact['uid']] = $contact['uid'];
1391 if ($item['uri'] != $item['parent-uri']) {
1392 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1393 while ($parent = dba::fetch($parents)) {
1394 $users[$parent['uid']] = $parent['uid'];
1395 if ($parent['origin'] && !$item['origin']) {
1396 $origin_uid = $parent['uid'];
1401 foreach ($users as $uid) {
1402 if ($origin_uid == $uid) {
1403 $item['diaspora_signed_text'] = $signed_text;
1405 self::storeForUser($itemid, $item, $uid);
1410 * @brief Store public items for the receivers
1412 * @param integer $itemid Item ID that should be added
1413 * @param array $item The item entry that will be stored
1414 * @param integer $uid The user that will receive the item entry
1416 private static function storeForUser($itemid, $item, $uid)
1418 $item['uid'] = $uid;
1419 $item['origin'] = 0;
1421 if ($item['uri'] == $item['parent-uri']) {
1422 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1424 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1427 if (empty($item['contact-id'])) {
1428 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1429 if (!DBM::is_result($self)) {
1432 $item['contact-id'] = $self['id'];
1435 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1436 $item['type'] = 'remote-comment';
1437 } elseif ($item['type'] == 'wall') {
1438 $item['type'] = 'remote';
1441 /// @todo Handling of "event-id"
1444 if ($item['uri'] == $item['parent-uri']) {
1445 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1446 if (DBM::is_result($contact)) {
1447 $notify = self::isRemoteSelf($contact, $item);
1451 $distributed = self::insert($item, false, $notify, true);
1453 if (!$distributed) {
1454 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1456 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1461 * @brief Add a shadow entry for a given item id that is a thread starter
1463 * We store every public item entry additionally with the user id "0".
1464 * This is used for the community page and for the search.
1465 * It is planned that in the future we will store public item entries only once.
1467 * @param integer $itemid Item ID that should be added
1469 public static function addShadow($itemid)
1471 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1472 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1473 $item = dba::selectFirst('item', $fields, $condition);
1475 if (!DBM::is_result($item)) {
1479 // is it already a copy?
1480 if (($itemid == 0) || ($item['uid'] == 0)) {
1484 // Is it a visible public post?
1485 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1489 // is it an entry from a connector? Only add an entry for natively connected networks
1490 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1494 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1496 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1497 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1499 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1500 // Preparing public shadow (removing user specific data)
1503 unset($item['parent']);
1504 unset($item['wall']);
1505 unset($item['mention']);
1506 unset($item['origin']);
1507 unset($item['starred']);
1508 unset($item['rendered-hash']);
1509 unset($item['rendered-html']);
1510 if ($item['uri'] == $item['parent-uri']) {
1511 $item['contact-id'] = Contact::getIdForURL($item['owner-link']);
1513 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1516 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1517 $item['type'] = 'remote-comment';
1518 } elseif ($item['type'] == 'wall') {
1519 $item['type'] = 'remote';
1522 $public_shadow = self::insert($item, false, false, true);
1524 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1530 * @brief Add a shadow entry for a given item id that is a comment
1532 * This function does the same like the function above - but for comments
1534 * @param integer $itemid Item ID that should be added
1536 public static function addShadowPost($itemid)
1538 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1539 if (!DBM::is_result($item)) {
1543 // Is it a toplevel post?
1544 if ($item['id'] == $item['parent']) {
1545 self::addShadow($itemid);
1549 // Is this a shadow entry?
1550 if ($item['uid'] == 0) {
1554 // Is there a shadow parent?
1555 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
1559 // Is there already a shadow entry?
1560 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1564 // Save "origin" and "parent" state
1565 $origin = $item['origin'];
1566 $parent = $item['parent'];
1568 // Preparing public shadow (removing user specific data)
1571 unset($item['parent']);
1572 unset($item['wall']);
1573 unset($item['mention']);
1574 unset($item['origin']);
1575 unset($item['starred']);
1576 unset($item['rendered-hash']);
1577 unset($item['rendered-html']);
1578 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1580 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1581 $item['type'] = 'remote-comment';
1582 } elseif ($item['type'] == 'wall') {
1583 $item['type'] = 'remote';
1586 $public_shadow = self::insert($item, false, false, true);
1588 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1590 // If this was a comment to a Diaspora post we don't get our comment back.
1591 // This means that we have to distribute the comment by ourselves.
1592 if ($origin && dba::exists('item', ['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1593 self::distribute($public_shadow);
1598 * Adds a "lang" specification in a "postopts" element of given $arr,
1599 * if possible and not already present.
1600 * Expects "body" element to exist in $arr.
1602 private static function addLanguageInPostopts(&$item)
1606 if (!empty($item['postopts'])) {
1607 if (strstr($item['postopts'], 'lang=')) {
1611 $postopts = $item['postopts'];
1614 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1616 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1618 if (sizeof($languages) > 0) {
1619 if ($postopts != '') {
1620 $postopts .= '&'; // arbitrary separator, to be reviewed
1623 $postopts .= 'lang=';
1626 foreach ($languages as $language => $score) {
1627 $postopts .= $sep . $language . ";" . $score;
1630 $item['postopts'] = $postopts;
1635 * @brief Creates an unique guid out of a given uri
1637 * @param string $uri uri of an item entry
1638 * @param string $host hostname for the GUID prefix
1639 * @return string unique guid
1641 public static function guidFromUri($uri, $host)
1643 // Our regular guid routine is using this kind of prefix as well
1644 // We have to avoid that different routines could accidentally create the same value
1645 $parsed = parse_url($uri);
1647 // We use a hash of the hostname as prefix for the guid
1648 $guid_prefix = hash("crc32", $host);
1650 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1651 unset($parsed["scheme"]);
1653 // Glue it together to be able to make a hash from it
1654 $host_id = implode("/", $parsed);
1656 // We could use any hash algorithm since it isn't a security issue
1657 $host_hash = hash("ripemd128", $host_id);
1659 return $guid_prefix.$host_hash;
1663 * generate an unique URI
1665 * @param integer $uid User id
1666 * @param string $guid An existing GUID (Otherwise it will be generated)
1670 public static function newURI($uid, $guid = "")
1673 $guid = get_guid(32);
1676 $hostname = self::getApp()->get_hostname();
1678 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1680 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1686 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1688 * This can be used to filter for inactive contacts.
1689 * Only do this for public postings to avoid privacy problems, since poco data is public.
1690 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1692 * @param array $arr Contains the just posted item record
1694 private static function updateContact($arr)
1696 // Unarchive the author
1697 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1698 if (DBM::is_result($contact)) {
1699 Contact::unmarkForArchival($contact);
1702 // Unarchive the contact if it's not our own contact
1703 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1704 if (DBM::is_result($contact)) {
1705 Contact::unmarkForArchival($contact);
1708 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1710 // Is it a forum? Then we don't care about the rules from above
1711 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1712 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1718 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1719 ['id' => $arr['contact-id']]);
1721 // Now do the same for the system wide contacts with uid=0
1722 if (!$arr['private']) {
1723 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1724 ['id' => $arr['owner-id']]);
1726 if ($arr['owner-id'] != $arr['author-id']) {
1727 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1728 ['id' => $arr['author-id']]);
1733 public static function setHashtags(&$item)
1736 $tags = get_tags($item["body"]);
1739 if (!count($tags)) {
1743 // This sorting is important when there are hashtags that are part of other hashtags
1744 // Otherwise there could be problems with hashtags like #test and #test2
1747 $URLSearchString = "^\[\]";
1749 // All hashtags should point to the home server if "local_tags" is activated
1750 if (Config::get('system', 'local_tags')) {
1751 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1752 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1754 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1755 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1758 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1759 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1761 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1764 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1766 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1769 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1771 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1774 // Repair recursive urls
1775 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1776 "#$2", $item["body"]);
1778 foreach ($tags as $tag) {
1779 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1783 $basetag = str_replace('_',' ',substr($tag,1));
1785 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1787 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1789 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1790 if (strlen($item["tag"])) {
1791 $item["tag"] = ','.$item["tag"];
1793 $item["tag"] = $newtag.$item["tag"];
1797 // Convert back the masked hashtags
1798 $item["body"] = str_replace("#", "#", $item["body"]);
1801 public static function getGuidById($id)
1803 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1804 if (DBM::is_result($item)) {
1805 return $item['guid'];
1811 public static function getIdAndNickByGuid($guid, $uid = 0)
1817 $uid == local_user();
1820 // Does the given user have this item?
1822 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1823 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1824 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1825 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
1826 if (DBM::is_result($item)) {
1828 $nick = $item["nickname"];
1832 // Or is it anywhere on the server?
1834 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1835 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1836 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1837 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1838 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1839 AND NOT `item`.`private` AND `item`.`wall`
1840 AND `item`.`guid` = ?", $guid);
1841 if (DBM::is_result($item)) {
1843 $nick = $item["nickname"];
1846 return ["nick" => $nick, "id" => $id];
1850 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1852 * @param int $item_id
1853 * @return bool true if item was deleted, else false
1855 private static function tagDeliver($uid, $item_id)
1859 $user = dba::selectFirst('user', [], ['uid' => $uid]);
1860 if (!DBM::is_result($user)) {
1864 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
1865 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
1867 $item = dba::selectFirst('item', [], ['id' => $item_id]);
1868 if (!DBM::is_result($item)) {
1872 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1875 * Diaspora uses their own hardwired link URL in @-tags
1876 * instead of the one we supply with webfinger
1878 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
1880 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1882 foreach ($matches as $mtch) {
1883 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1885 logger('mention found: ' . $mtch[2]);
1891 if (($community_page || $prvgroup) &&
1892 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1893 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1895 logger("no-mention top-level post to community or private group. delete.");
1896 dba::delete('item', ['id' => $item_id]);
1902 $arr = ['item' => $item, 'user' => $user];
1904 Addon::callHooks('tagged', $arr);
1906 if (!$community_page && !$prvgroup) {
1911 * tgroup delivery - setup a second delivery chain
1912 * prevent delivery looping - only proceed
1913 * if the message originated elsewhere and is a top-level post
1915 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1919 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1920 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1921 if (!DBM::is_result($self)) {
1925 $owner_id = Contact::getIdForURL($self['url']);
1927 // also reset all the privacy bits to the forum default permissions
1929 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
1931 $forum_mode = ($prvgroup ? 2 : 1);
1933 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1934 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
1935 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
1936 dba::update('item', $fields, ['id' => $item_id]);
1938 self::updateThread($item_id);
1940 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1943 public static function isRemoteSelf($contact, &$datarray)
1947 if (!$contact['remote_self']) {
1951 // Prevent the forwarding of posts that are forwarded
1952 if ($datarray["extid"] == NETWORK_DFRN) {
1953 logger('Already forwarded', LOGGER_DEBUG);
1957 // Prevent to forward already forwarded posts
1958 if ($datarray["app"] == $a->get_hostname()) {
1959 logger('Already forwarded (second test)', LOGGER_DEBUG);
1963 // Only forward posts
1964 if ($datarray["verb"] != ACTIVITY_POST) {
1965 logger('No post', LOGGER_DEBUG);
1969 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1970 logger('Not public', LOGGER_DEBUG);
1974 $datarray2 = $datarray;
1975 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1976 if ($contact['remote_self'] == 2) {
1977 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1978 ['uid' => $contact['uid'], 'self' => true]);
1979 if (DBM::is_result($self)) {
1980 $datarray['contact-id'] = $self["id"];
1982 $datarray['owner-name'] = $self["name"];
1983 $datarray['owner-link'] = $self["url"];
1984 $datarray['owner-avatar'] = $self["thumb"];
1986 $datarray['author-name'] = $datarray['owner-name'];
1987 $datarray['author-link'] = $datarray['owner-link'];
1988 $datarray['author-avatar'] = $datarray['owner-avatar'];
1990 unset($datarray['created']);
1991 unset($datarray['edited']);
1993 unset($datarray['network']);
1994 unset($datarray['owner-id']);
1995 unset($datarray['author-id']);
1998 if ($contact['network'] != NETWORK_FEED) {
1999 $datarray["guid"] = get_guid(32);
2000 unset($datarray["plink"]);
2001 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2002 $datarray["parent-uri"] = $datarray["uri"];
2003 $datarray["thr-parent"] = $datarray["uri"];
2004 $datarray["extid"] = NETWORK_DFRN;
2005 $urlpart = parse_url($datarray2['author-link']);
2006 $datarray["app"] = $urlpart["host"];
2008 $datarray['private'] = 0;
2012 if ($contact['network'] != NETWORK_FEED) {
2013 // Store the original post
2014 $result = self::insert($datarray2, false, false);
2015 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2017 $datarray["app"] = "Feed";
2021 // Trigger automatic reactions for addons
2022 $datarray['api_source'] = true;
2024 // We have to tell the hooks who we are - this really should be improved
2025 $_SESSION["authenticated"] = true;
2026 $_SESSION["uid"] = $contact['uid'];
2035 * @param array $item
2039 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2041 if (Config::get('system', 'disable_embedded')) {
2045 logger('check for photos', LOGGER_DEBUG);
2046 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2051 $img_start = strpos($orig_body, '[img');
2052 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2053 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2055 while (($img_st_close !== false) && ($img_len !== false)) {
2056 $img_st_close++; // make it point to AFTER the closing bracket
2057 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2059 logger('found photo ' . $image, LOGGER_DEBUG);
2061 if (stristr($image, $site . '/photo/')) {
2062 // Only embed locally hosted photos
2064 $i = basename($image);
2065 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2066 $x = strpos($i, '-');
2069 $res = substr($i, $x + 1);
2070 $i = substr($i, 0, $x);
2071 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2072 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2073 if (DBM::is_result($photo)) {
2075 * Check to see if we should replace this photo link with an embedded image
2076 * 1. No need to do so if the photo is public
2077 * 2. If there's a contact-id provided, see if they're in the access list
2078 * for the photo. If so, embed it.
2079 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2080 * permissions, regardless of order but first check to see if they're an exact
2081 * match to save some processing overhead.
2083 if (self::hasPermissions($photo)) {
2085 $recips = self::enumeratePermissions($photo);
2086 if (in_array($cid, $recips)) {
2090 if (self::samePermissions($item, $photo)) {
2096 $data = $photo['data'];
2097 $type = $photo['type'];
2099 // If a custom width and height were specified, apply before embedding
2100 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2101 logger('scaling photo', LOGGER_DEBUG);
2103 $width = intval($match[1]);
2104 $height = intval($match[2]);
2106 $Image = new Image($data, $type);
2107 if ($Image->isValid()) {
2108 $Image->scaleDown(max($width, $height));
2109 $data = $Image->asString();
2110 $type = $Image->getType();
2114 logger('replacing photo', LOGGER_DEBUG);
2115 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2116 logger('replaced: ' . $image, LOGGER_DATA);
2122 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2123 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2124 if ($orig_body === false) {
2128 $img_start = strpos($orig_body, '[img');
2129 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2130 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2133 $new_body = $new_body . $orig_body;
2138 private static function hasPermissions($obj)
2142 x($obj, 'allow_cid')
2144 x($obj, 'allow_gid')
2153 private static function samePermissions($obj1, $obj2)
2155 // first part is easy. Check that these are exactly the same.
2156 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2157 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2158 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2159 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2163 // This is harder. Parse all the permissions and compare the resulting set.
2164 $recipients1 = self::enumeratePermissions($obj1);
2165 $recipients2 = self::enumeratePermissions($obj2);
2169 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2170 return ($recipients1 == $recipients2);
2173 // returns an array of contact-ids that are allowed to see this object
2174 private static function enumeratePermissions($obj)
2176 $allow_people = expand_acl($obj['allow_cid']);
2177 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2178 $deny_people = expand_acl($obj['deny_cid']);
2179 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2180 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2181 $deny = array_unique(array_merge($deny_people, $deny_groups));
2182 $recipients = array_diff($recipients, $deny);
2186 public static function getFeedTags($item)
2190 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2192 for ($x = 0; $x < $cnt; $x ++) {
2193 if ($matches[1][$x]) {
2194 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2199 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2201 for ($x = 0; $x < $cnt; $x ++) {
2202 if ($matches[1][$x]) {
2203 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2210 public static function expire($uid, $days, $network = "", $force = false)
2212 if (!$uid || ($days < 1)) {
2217 * $expire_network_only = save your own wall posts
2218 * and just expire conversations started by others
2220 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2221 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2223 if ($network != "") {
2224 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2227 * There is an index "uid_network_received" but not "uid_network_created"
2228 * This avoids the creation of another index just for one purpose.
2229 * And it doesn't really matter wether to look at "received" or "created"
2231 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2233 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2236 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2237 WHERE `uid` = %d $range
2245 if (!DBM::is_result($r)) {
2249 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2251 // Forcing expiring of items - but not notes and marked items
2253 $expire_items = true;
2256 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2257 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2258 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2260 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2262 foreach ($r as $item) {
2264 // don't expire filed items
2266 if (strpos($item['file'],'[') !== false) {
2270 // Only expire posts, not photos and photo comments
2272 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2274 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2276 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2278 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2282 self::deleteById($item['id'], PRIORITY_LOW);
2286 public static function firstPostDate($uid, $wall = false)
2288 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2289 $params = ['order' => ['created' => false]];
2290 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2291 if (DBM::is_result($thread)) {
2292 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2298 * @brief add/remove activity to an item
2300 * Toggle activities as like,dislike,attend of an item
2302 * @param string $item_id
2303 * @param string $verb
2304 * Activity verb. One of
2305 * like, unlike, dislike, undislike, attendyes, unattendyes,
2306 * attendno, unattendno, attendmaybe, unattendmaybe
2307 * @hook 'post_local_end'
2309 * 'post_id' => ID of posted item
2311 public static function performLike($item_id, $verb)
2313 if (!local_user() && !remote_user()) {
2320 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2321 $activity = ACTIVITY_LIKE;
2325 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2326 $activity = ACTIVITY_DISLIKE;
2330 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2331 $activity = ACTIVITY_ATTEND;
2335 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2336 $activity = ACTIVITY_ATTENDNO;
2339 case 'unattendmaybe':
2340 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2341 $activity = ACTIVITY_ATTENDMAYBE;
2344 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2348 // Enable activity toggling instead of on/off
2349 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2351 logger('like: verb ' . $verb . ' item ' . $item_id);
2353 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2354 if (!DBM::is_result($item)) {
2355 logger('like: unknown item ' . $item_id);
2359 $uid = $item['uid'];
2360 if (($uid == 0) && local_user()) {
2361 $uid = local_user();
2364 if (!can_write_wall($uid)) {
2365 logger('like: unable to write on wall ' . $uid);
2369 // Retrieves the local post owner
2370 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2371 if (!DBM::is_result($owner_self_contact)) {
2372 logger('like: unknown owner ' . $uid);
2376 // Retrieve the current logged in user's public contact
2377 $author_id = public_contact();
2379 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2380 if (!DBM::is_result($author_contact)) {
2381 logger('like: unknown author ' . $author_id);
2385 // Contact-id is the uid-dependant author contact
2386 if (local_user() == $uid) {
2387 $item_contact_id = $owner_self_contact['id'];
2388 $item_contact = $owner_self_contact;
2390 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2391 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2392 if (!DBM::is_result($item_contact)) {
2393 logger('like: unknown item contact ' . $item_contact_id);
2398 // Look for an existing verb row
2399 // event participation are essentially radio toggles. If you make a subsequent choice,
2400 // we need to eradicate your first choice.
2401 if ($event_verb_flag) {
2402 $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
2404 $verbs = "'".dbesc($activity)."'";
2407 /// @todo This query is expected to be a performance eater due to the "OR" - it has to be changed totally
2408 $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
2409 WHERE `verb` IN ($verbs)
2411 AND `author-id` = %d
2413 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
2415 intval($author_contact['id']),
2416 intval($item['uid']),
2417 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
2420 // If it exists, mark it as deleted
2421 if (DBM::is_result($existing_like)) {
2422 $like_item = $existing_like[0];
2424 // Already voted, undo it
2425 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2426 dba::update('item', $fields, ['id' => $like_item['id']]);
2428 // Clean up the Diaspora signatures for this like
2429 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2430 // if it had been enabled in the past
2431 dba::delete('sign', ['iid' => $like_item['id']]);
2433 $like_item_id = $like_item['id'];
2434 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2436 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2441 // Verb is "un-something", just trying to delete existing entries
2442 if (strpos($verb, 'un') === 0) {
2446 // Else or if event verb different from existing row, create a new item row
2447 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2448 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2449 $post_type = L10n::t('event');
2451 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2452 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2453 $body = $item['body'];
2458 <type>$objtype</type>
2460 <id>{$item['uri']}</id>
2463 <content>$body</content>
2467 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2468 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2469 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2472 'guid' => get_guid(32),
2473 'uri' => self::newURI($item['uid']),
2474 'uid' => $item['uid'],
2475 'contact-id' => $item_contact_id,
2476 'type' => 'activity',
2477 'wall' => $item['wall'],
2479 'gravity' => GRAVITY_LIKE,
2480 'parent' => $item['id'],
2481 'parent-uri' => $item['uri'],
2482 'thr-parent' => $item['uri'],
2483 'owner-id' => $item['owner-id'],
2484 'owner-name' => $item['owner-name'],
2485 'owner-link' => $item['owner-link'],
2486 'owner-avatar' => $item['owner-avatar'],
2487 'author-id' => $author_contact['id'],
2488 'author-name' => $author_contact['name'],
2489 'author-link' => $author_contact['url'],
2490 'author-avatar' => $author_contact['thumb'],
2491 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2492 'verb' => $activity,
2493 'object-type' => $objtype,
2495 'allow_cid' => $item['allow_cid'],
2496 'allow_gid' => $item['allow_gid'],
2497 'deny_cid' => $item['deny_cid'],
2498 'deny_gid' => $item['deny_gid'],
2503 $new_item_id = self::insert($new_item);
2505 // If the parent item isn't visible then set it to visible
2506 if (!$item['visible']) {
2507 self::update(['visible' => true], ['id' => $item['id']]);
2510 // Save the author information for the like in case we need to relay to Diaspora
2511 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2513 $new_item['id'] = $new_item_id;
2515 Addon::callHooks('post_local_end', $new_item);
2517 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2522 private static function addThread($itemid, $onlyshadow = false)
2524 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2525 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2526 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2527 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2528 $item = dba::selectFirst('item', $fields, $condition);
2530 if (!DBM::is_result($item)) {
2534 $item['iid'] = $itemid;
2537 $result = dba::insert('thread', $item);
2539 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2543 private static function updateThread($itemid, $setmention = false)
2545 $fields = ['uid', 'guid', 'title', 'body', 'created', 'edited', 'commented', 'received', 'changed',
2546 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2547 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id', 'rendered-html', 'rendered-hash'];
2548 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2550 $item = dba::selectFirst('item', $fields, $condition);
2551 if (!DBM::is_result($item)) {
2556 $item["mention"] = 1;
2563 foreach ($item as $field => $data) {
2564 if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
2565 $fields[$field] = $data;
2569 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2571 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2573 // Updating a shadow item entry
2574 $items = dba::selectFirst('item', ['id'], ['guid' => $item['guid'], 'uid' => 0]);
2576 if (!DBM::is_result($items)) {
2580 $fields = ['title' => $item['title'], 'body' => $item['body'],
2581 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2582 $result = dba::update('item', $fields, ['id' => $items['id']]);
2584 logger("Updating public shadow for post ".$items["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
2587 private static function deleteThread($itemid, $itemuri = "")
2589 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2590 if (!DBM::is_result($item)) {
2591 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2595 // Using dba::delete at this time could delete the associated item entries
2596 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2598 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2600 if ($itemuri != "") {
2601 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2602 if (!dba::exists('item', $condition)) {
2603 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2604 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);