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 * @brief Fetch a single item row
62 * @param mixed $stmt statement object
63 * @return array current row
65 public static function fetch($stmt)
67 $row = dba::fetch($stmt);
73 * @brief Fills an array with data from an item query
75 * @param object $stmt statement object
76 * @return array Data array
78 public static function inArray($stmt, $do_close = true) {
84 while ($row = self::fetch($stmt)) {
94 * Retrieve a single record from the item table for a given user and returns it in an associative array
96 * @brief Retrieve a single record from a table
97 * @param integer $uid User ID
98 * @param array $fields
99 * @param array $condition
100 * @param array $params
104 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
106 $params['uid'] = $uid;
108 if (empty($selected)) {
109 $selected = Item::DISPLAY_FIELDLIST;
112 return self::selectFirst($selected, $condition, $params);
116 * @brief Select rows from the item table for a given user
118 * @param integer $uid User ID
119 * @param array $selected Array of selected fields, empty for all
120 * @param array $condition Array of fields for condition
121 * @param array $params Array of several parameters
123 * @return boolean|object
125 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
127 $params['uid'] = $uid;
129 if (empty($selected)) {
130 $selected = Item::DISPLAY_FIELDLIST;
133 return self::select($selected, $condition, $params);
137 * Retrieve a single record from the item table and returns it in an associative array
139 * @brief Retrieve a single record from a table
140 * @param array $fields
141 * @param array $condition
142 * @param array $params
146 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
148 $params['limit'] = 1;
150 $result = self::select($fields, $condition, $params);
152 if (is_bool($result)) {
155 $row = self::fetch($result);
162 * @brief Select rows from the item table
164 * @param array $selected Array of selected fields, empty for all
165 * @param array $condition Array of fields for condition
166 * @param array $params Array of several parameters
168 * @return boolean|object
170 public static function select(array $selected = [], array $condition = [], $params = [])
175 if (isset($params['uid'])) {
176 $uid = $params['uid'];
180 $fields = self::fieldlist($selected);
182 $select_fields = self::constructSelectFields($fields, $selected);
184 $condition_string = dba::buildCondition($condition);
186 $condition_string = self::addTablesToFields($condition_string, $fields);
189 $condition_string = $condition_string . ' AND ' . self::condition(false);
192 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
194 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
196 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
198 return dba::p($sql, $condition);
202 * @brief Select rows from the starting post in the item table
204 * @param integer $uid User ID
205 * @param array $fields Array of selected fields, empty for all
206 * @param array $condition Array of fields for condition
207 * @param array $params Array of several parameters
209 * @return boolean|object
211 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
213 $params['uid'] = $uid;
215 if (empty($selected)) {
216 $selected = Item::DISPLAY_FIELDLIST;
219 return self::selectThread($selected, $condition, $params);
223 * Retrieve a single record from the starting post in the item table and returns it in an associative array
225 * @brief Retrieve a single record from a table
226 * @param integer $uid User ID
227 * @param array $selected
228 * @param array $condition
229 * @param array $params
233 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
235 $params['uid'] = $uid;
237 if (empty($selected)) {
238 $selected = Item::DISPLAY_FIELDLIST;
241 return self::selectFirstThread($selected, $condition, $params);
245 * Retrieve a single record from the starting post in the item table and returns it in an associative array
247 * @brief Retrieve a single record from a table
248 * @param array $fields
249 * @param array $condition
250 * @param array $params
254 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
256 $params['limit'] = 1;
257 $result = self::selectThread($fields, $condition, $params);
259 if (is_bool($result)) {
262 $row = self::fetch($result);
269 * @brief Select rows from the starting post in the item table
271 * @param array $selected Array of selected fields, empty for all
272 * @param array $condition Array of fields for condition
273 * @param array $params Array of several parameters
275 * @return boolean|object
277 public static function selectThread(array $selected = [], array $condition = [], $params = [])
282 if (isset($params['uid'])) {
283 $uid = $params['uid'];
287 $fields = self::fieldlist($selected);
289 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
290 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
291 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
292 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
294 $select_fields = self::constructSelectFields($fields, $selected);
296 $condition_string = dba::buildCondition($condition);
298 $condition_string = self::addTablesToFields($condition_string, $threadfields);
299 $condition_string = self::addTablesToFields($condition_string, $fields);
302 $condition_string = $condition_string . ' AND ' . self::condition(true);
305 $param_string = dba::buildParameter($params);
306 $param_string = self::addTablesToFields($param_string, $threadfields);
307 $param_string = self::addTablesToFields($param_string, $fields);
309 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
311 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
313 return dba::p($sql, $condition);
317 * @brief Returns a list of fields that are associated with the item table
319 * @return array field list
321 private static function fieldlist($selected)
325 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
326 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
327 'created', 'edited', 'commented', 'received', 'changed',
328 'title', 'body', 'app', 'verb', 'object-type', 'object', 'target-type', 'target',
329 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
330 'file', 'location', 'coord', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
331 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
332 'unseen', 'deleted', 'origin', 'forum_mode', 'mention',
333 'rendered-hash', 'rendered-html', 'global', 'content-warning',
334 'id' => 'item_id', 'network'];
336 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
337 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
339 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
340 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
342 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
343 'url', 'name', 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
344 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id', 'network' => 'contact-network'];
346 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
348 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
350 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
351 'start' => 'event-start','finish' => 'event-finish',
352 'summary' => 'event-summary','desc' => 'event-desc',
353 'location' => 'event-location', 'type' => 'event-type',
354 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
355 'ignore' => 'event-ignore', 'id' => 'event-id'];
357 $fields['sign'] = ['signed_text', 'signature', 'signer'];
363 * @brief Returns SQL condition for the "select" functions
365 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
367 * @return string SQL condition
369 private static function condition($thread_mode)
372 $master_table = "`thread`";
374 $master_table = "`item`";
376 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
380 * @brief Returns all needed "JOIN" commands for the "select" functions
382 * @param integer $uid User ID
383 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
384 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
386 * @return string The SQL joins for the "select" functions
388 private static function constructJoins($uid, $sql_commands, $thread_mode)
391 $master_table = "`thread`";
392 $master_table_key = "`thread`.`iid`";
393 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
395 $master_table = "`item`";
396 $master_table_key = "`item`.`id`";
400 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
401 AND NOT `contact`.`blocked`
402 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
403 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
404 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
405 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
406 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
407 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
409 if (strpos($sql_commands, "`group_member`.") !== false) {
410 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
413 if (strpos($sql_commands, "`user`.") !== false) {
414 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
417 if (strpos($sql_commands, "`event`.") !== false) {
418 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
421 if (strpos($sql_commands, "`sign`.") !== false) {
422 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
425 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
426 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
429 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
430 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
437 * @brief Add the field list for the "select" functions
439 * @param array $fields The field definition array
440 * @param array $selected The array with the selected fields from the "select" functions
442 * @return string The field list
444 private static function constructSelectFields($fields, $selected)
447 foreach ($fields as $table => $table_fields) {
448 foreach ($table_fields as $field => $select) {
449 if (empty($selected) || in_array($select, $selected)) {
450 if (is_int($field)) {
451 $selection[] = "`" . $table . "`.`".$select."`";
453 $selection[] = "`" . $table . "`.`" . $field . "` AS `".$select ."`";
458 return implode(", ", $selection);
462 * @brief add table definition to fields in an SQL query
464 * @param string $query SQL query
465 * @param array $fields The field definition array
467 * @return string the changed SQL query
469 private static function addTablesToFields($query, $fields)
471 foreach ($fields as $table => $table_fields) {
472 foreach ($table_fields as $alias => $field) {
473 if (is_int($alias)) {
474 $replace_field = $field;
476 $replace_field = $alias;
479 $search = "/([^\.])`" . $field . "`/i";
480 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
481 $query = preg_replace($search, $replace, $query);
488 * @brief Update existing item entries
490 * @param array $fields The fields that are to be changed
491 * @param array $condition The condition for finding the item entries
493 * In the future we may have to change permissions as well.
494 * Then we had to add the user id as third parameter.
496 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
498 * @return integer|boolean number of affected rows - or "false" if there was an error
500 public static function update(array $fields, array $condition)
502 if (empty($condition) || empty($fields)) {
506 // To ensure the data integrity we do it in an transaction
509 // We cannot simply expand the condition to check for origin entries
510 // The condition needn't to be a simple array but could be a complex condition.
511 // And we have to execute this query before the update to ensure to fetch the same data.
512 $items = dba::select('item', ['id', 'origin'], $condition);
514 $success = dba::update('item', $fields, $condition);
522 $rows = dba::affected_rows();
524 while ($item = dba::fetch($items)) {
525 Term::insertFromTagFieldByItemId($item['id']);
526 Term::insertFromFileFieldByItemId($item['id']);
527 self::updateThread($item['id']);
529 // We only need to notfiy others when it is an original entry from us.
530 // Only call the notifier when the item has some content relevant change.
531 if ($item['origin'] && in_array('edited', array_keys($fields))) {
532 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
542 * @brief Delete an item and notify others about it - if it was ours
544 * @param array $condition The condition for finding the item entries
545 * @param integer $priority Priority for the notification
547 public static function delete($condition, $priority = PRIORITY_HIGH)
549 $items = dba::select('item', ['id'], $condition);
550 while ($item = dba::fetch($items)) {
551 self::deleteById($item['id'], $priority);
557 * @brief Delete an item for an user and notify others about it - if it was ours
559 * @param array $condition The condition for finding the item entries
560 * @param integer $uid User who wants to delete this item
562 public static function deleteForUser($condition, $uid)
568 $items = dba::select('item', ['id', 'uid'], $condition);
569 while ($item = dba::fetch($items)) {
570 // "Deleting" global items just means hiding them
571 if ($item['uid'] == 0) {
572 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
573 } elseif ($item['uid'] == $uid) {
574 self::deleteById($item['id'], PRIORITY_HIGH);
576 logger('Wrong ownership. Not deleting item ' . $item['id']);
583 * @brief Delete an item and notify others about it - if it was ours
585 * @param integer $item_id Item ID that should be delete
586 * @param integer $priority Priority for the notification
588 * @return boolean success
590 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
592 // locate item to be deleted
593 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
594 'deleted', 'file', 'resource-id', 'event-id', 'attach',
595 'verb', 'object-type', 'object', 'target', 'contact-id'];
596 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
597 if (!DBM::is_result($item)) {
598 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
602 if ($item['deleted']) {
603 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
607 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
608 if (!DBM::is_result($parent)) {
609 $parent = ['origin' => false];
612 // clean up categories and tags so they don't end up as orphans
615 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
617 foreach ($matches as $mtch) {
618 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
624 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
626 foreach ($matches as $mtch) {
627 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
632 * If item is a link to a photo resource, nuke all the associated photos
633 * (visitors will not have photo resources)
634 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
635 * generate a resource-id and therefore aren't intimately linked to the item.
637 if (strlen($item['resource-id'])) {
638 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
641 // If item is a link to an event, delete the event.
642 if (intval($item['event-id'])) {
643 Event::delete($item['event-id']);
646 // If item has attachments, drop them
647 foreach (explode(", ", $item['attach']) as $attach) {
648 preg_match("|attach/(\d+)|", $attach, $matches);
649 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
652 // Delete tags that had been attached to other items
653 self::deleteTagsFromItem($item);
655 // Set the item to "deleted"
656 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
657 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
658 ['id' => $item['id']]);
660 Term::insertFromTagFieldByItemId($item['id']);
661 Term::insertFromFileFieldByItemId($item['id']);
662 self::deleteThread($item['id'], $item['parent-uri']);
664 if (!dba::exists('item', ["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
665 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
668 // If it's the parent of a comment thread, kill all the kids
669 if ($item['id'] == $item['parent']) {
670 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
673 // Is it our comment and/or our thread?
674 if ($item['origin'] || $parent['origin']) {
676 // When we delete the original post we will delete all existing copies on the server as well
677 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
679 // send the notification upstream/downstream
680 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
681 } elseif ($item['uid'] != 0) {
683 // When we delete just our local user copy of an item, we have to set a marker to hide it
684 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
685 if (DBM::is_result($global_item)) {
686 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
690 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
695 private static function deleteTagsFromItem($item)
697 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
701 $xo = XML::parseString($item["object"], false);
702 $xt = XML::parseString($item["target"], false);
704 if ($xt->type != ACTIVITY_OBJ_NOTE) {
708 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
709 if (!DBM::is_result($i)) {
713 // For tags, the owner cannot remove the tag on the author's copy of the post.
714 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
715 $author_copy = $item["origin"];
717 if (($owner_remove && $author_copy) || !$owner_remove) {
721 $tags = explode(',', $i["tag"]);
724 foreach ($tags as $tag) {
725 if (trim($tag) !== trim($xo->body)) {
726 $newtags[] = trim($tag);
730 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
733 private static function guid($item, $notify)
735 $guid = notags(trim($item['guid']));
742 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
743 // We add the hash of our own host because our host is the original creator of the post.
744 $prefix_host = get_app()->get_hostname();
748 // We are only storing the post so we create a GUID from the original hostname.
749 if (!empty($item['author-link'])) {
750 $parsed = parse_url($item['author-link']);
751 if (!empty($parsed['host'])) {
752 $prefix_host = $parsed['host'];
756 if (empty($prefix_host) && !empty($item['plink'])) {
757 $parsed = parse_url($item['plink']);
758 if (!empty($parsed['host'])) {
759 $prefix_host = $parsed['host'];
763 if (empty($prefix_host) && !empty($item['uri'])) {
764 $parsed = parse_url($item['uri']);
765 if (!empty($parsed['host'])) {
766 $prefix_host = $parsed['host'];
770 // Is it in the format data@host.tld? - Used for mail contacts
771 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
772 $mailparts = explode('@', $item['author-link']);
773 $prefix_host = array_pop($mailparts);
777 if (!empty($item['plink'])) {
778 $guid = self::guidFromUri($item['plink'], $prefix_host);
779 } elseif (!empty($item['uri'])) {
780 $guid = self::guidFromUri($item['uri'], $prefix_host);
782 $guid = get_guid(32, hash('crc32', $prefix_host));
788 private static function contactId($item)
790 $contact_id = (int)$item["contact-id"];
792 if (!empty($contact_id)) {
795 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
797 * First we are looking for a suitable contact that matches with the author of the post
798 * This is done only for comments
800 if ($item['parent-uri'] != $item['uri']) {
801 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
804 // If not present then maybe the owner was found
805 if ($contact_id == 0) {
806 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
809 // Still missing? Then use the "self" contact of the current user
810 if ($contact_id == 0) {
811 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
812 if (DBM::is_result($self)) {
813 $contact_id = $self["id"];
816 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
821 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
825 // If it is a posting where users should get notifications, then define it as wall posting
828 $item['type'] = 'wall';
830 $item['network'] = NETWORK_DFRN;
831 $item['protocol'] = PROTOCOL_DFRN;
833 if (is_int($notify)) {
836 $priority = PRIORITY_HIGH;
839 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
842 $item['guid'] = self::guid($item, $notify);
843 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
845 // Store conversation data
846 $item = Conversation::insert($item);
849 * If a Diaspora signature structure was passed in, pull it out of the
850 * item array and set it aside for later storage.
854 if (x($item, 'dsprsig')) {
855 $encoded_signature = $item['dsprsig'];
856 $dsprsig = json_decode(base64_decode($item['dsprsig']));
857 unset($item['dsprsig']);
860 if (!empty($item['diaspora_signed_text'])) {
861 $diaspora_signed_text = $item['diaspora_signed_text'];
862 unset($item['diaspora_signed_text']);
864 $diaspora_signed_text = '';
867 // Converting the plink
868 /// @TODO Check if this is really still needed
869 if ($item['network'] == NETWORK_OSTATUS) {
870 if (isset($item['plink'])) {
871 $item['plink'] = OStatus::convertHref($item['plink']);
872 } elseif (isset($item['uri'])) {
873 $item['plink'] = OStatus::convertHref($item['uri']);
877 if (!empty($item['thr-parent'])) {
878 $item['parent-uri'] = $item['thr-parent'];
881 if (x($item, 'gravity')) {
882 $item['gravity'] = intval($item['gravity']);
883 } elseif ($item['parent-uri'] === $item['uri']) {
884 $item['gravity'] = 0;
885 } elseif (activity_match($item['verb'],ACTIVITY_POST)) {
886 $item['gravity'] = 6;
888 $item['gravity'] = 6; // extensible catchall
891 $item['type'] = defaults($item, 'type', 'remote');
893 $uid = intval($item['uid']);
895 // check for create date and expire time
896 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
898 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
899 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
900 $expire_interval = $user['expire'];
903 if (($expire_interval > 0) && !empty($item['created'])) {
904 $expire_date = time() - ($expire_interval * 86400);
905 $created_date = strtotime($item['created']);
906 if ($created_date < $expire_date) {
907 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
913 * Do we already have this item?
914 * We have to check several networks since Friendica posts could be repeated
915 * via OStatus (maybe Diasporsa as well)
917 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
918 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
919 trim($item['uri']), $item['uid'],
920 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
921 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
922 if (DBM::is_result($existing)) {
923 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
925 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
928 return $existing["id"];
932 self::addLanguageInPostopts($item);
934 $item['wall'] = intval(defaults($item, 'wall', 0));
935 $item['extid'] = trim(defaults($item, 'extid', ''));
936 $item['author-name'] = trim(defaults($item, 'author-name', ''));
937 $item['author-link'] = trim(defaults($item, 'author-link', ''));
938 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
939 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
940 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
941 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
942 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
943 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
944 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
945 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
946 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
947 $item['title'] = trim(defaults($item, 'title', ''));
948 $item['location'] = trim(defaults($item, 'location', ''));
949 $item['coord'] = trim(defaults($item, 'coord', ''));
950 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
951 $item['deleted'] = 0;
952 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
953 $item['verb'] = trim(defaults($item, 'verb', ''));
954 $item['object-type'] = trim(defaults($item, 'object-type', ''));
955 $item['object'] = trim(defaults($item, 'object', ''));
956 $item['target-type'] = trim(defaults($item, 'target-type', ''));
957 $item['target'] = trim(defaults($item, 'target', ''));
958 $item['plink'] = trim(defaults($item, 'plink', ''));
959 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
960 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
961 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
962 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
963 $item['private'] = intval(defaults($item, 'private', 0));
964 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
965 $item['body'] = trim(defaults($item, 'body', ''));
966 $item['tag'] = trim(defaults($item, 'tag', ''));
967 $item['attach'] = trim(defaults($item, 'attach', ''));
968 $item['app'] = trim(defaults($item, 'app', ''));
969 $item['origin'] = intval(defaults($item, 'origin', 0));
970 $item['postopts'] = trim(defaults($item, 'postopts', ''));
971 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
972 $item['event-id'] = intval(defaults($item, 'event-id', 0));
973 $item['inform'] = trim(defaults($item, 'inform', ''));
974 $item['file'] = trim(defaults($item, 'file', ''));
976 // When there is no content then we don't post it
977 if ($item['body'].$item['title'] == '') {
981 // Items cannot be stored before they happen ...
982 if ($item['created'] > DateTimeFormat::utcNow()) {
983 $item['created'] = DateTimeFormat::utcNow();
986 // We haven't invented time travel by now.
987 if ($item['edited'] > DateTimeFormat::utcNow()) {
988 $item['edited'] = DateTimeFormat::utcNow();
991 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
992 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
995 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
997 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
998 $item["contact-id"] = self::contactId($item);
1000 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1001 'photo' => $item['author-avatar'], 'network' => $item['network']];
1003 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1005 if (Contact::isBlocked($item["author-id"])) {
1006 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1010 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1011 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1013 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1015 if (Contact::isBlocked($item["owner-id"])) {
1016 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1020 //unset($item['author-link']);
1021 unset($item['author-name']);
1022 unset($item['author-avatar']);
1024 //unset($item['owner-link']);
1025 unset($item['owner-name']);
1026 unset($item['owner-avatar']);
1028 if ($item['network'] == NETWORK_PHANTOM) {
1029 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1031 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1032 if (!empty($contact['network'])) {
1033 $item['network'] = $contact["network"];
1035 $item['network'] = NETWORK_DFRN;
1037 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1040 // Checking if there is already an item with the same guid
1041 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1042 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1043 if (dba::exists('item', $condition)) {
1044 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1048 // Check for hashtags in the body and repair or add hashtag links
1049 self::setHashtags($item);
1051 $item['thr-parent'] = $item['parent-uri'];
1059 if ($item['parent-uri'] === $item['uri']) {
1061 $parent_deleted = 0;
1062 $allow_cid = $item['allow_cid'];
1063 $allow_gid = $item['allow_gid'];
1064 $deny_cid = $item['deny_cid'];
1065 $deny_gid = $item['deny_gid'];
1066 $notify_type = 'wall-new';
1068 // find the parent and snarf the item id and ACLs
1069 // and anything else we need to inherit
1071 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1072 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1073 'wall', 'private', 'forum_mode', 'origin'];
1074 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1075 $params = ['order' => ['id' => false]];
1076 $parent = dba::selectFirst('item', $fields, $condition, $params);
1078 if (DBM::is_result($parent)) {
1079 // is the new message multi-level threaded?
1080 // even though we don't support it now, preserve the info
1081 // and re-attach to the conversation parent.
1083 if ($parent['uri'] != $parent['parent-uri']) {
1084 $item['parent-uri'] = $parent['parent-uri'];
1086 $condition = ['uri' => $item['parent-uri'],
1087 'parent-uri' => $item['parent-uri'],
1088 'uid' => $item['uid']];
1089 $params = ['order' => ['id' => false]];
1090 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1092 if (DBM::is_result($toplevel_parent)) {
1093 $parent = $toplevel_parent;
1097 $parent_id = $parent['id'];
1098 $parent_deleted = $parent['deleted'];
1099 $allow_cid = $parent['allow_cid'];
1100 $allow_gid = $parent['allow_gid'];
1101 $deny_cid = $parent['deny_cid'];
1102 $deny_gid = $parent['deny_gid'];
1103 $item['wall'] = $parent['wall'];
1104 $notify_type = 'comment-new';
1107 * If the parent is private, force privacy for the entire conversation
1108 * This differs from the above settings as it subtly allows comments from
1109 * email correspondents to be private even if the overall thread is not.
1111 if ($parent['private']) {
1112 $item['private'] = $parent['private'];
1116 * Edge case. We host a public forum that was originally posted to privately.
1117 * The original author commented, but as this is a comment, the permissions
1118 * weren't fixed up so it will still show the comment as private unless we fix it here.
1120 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1121 $item['private'] = 0;
1124 // If its a post from myself then tag the thread as "mention"
1125 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1126 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1127 if (DBM::is_result($user)) {
1128 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1129 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$item['author-link']." and ".$item['owner-link'], LOGGER_DEBUG);
1130 if ((normalise_link($item['author-link']) == $self) || (normalise_link($item['owner-link']) == $self)) {
1131 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1132 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1137 * Allow one to see reply tweets from status.net even when
1138 * we don't have or can't see the original post.
1140 if ($force_parent) {
1141 logger('$force_parent=true, reply converted to top-level post.');
1143 $item['parent-uri'] = $item['uri'];
1144 $item['gravity'] = 0;
1146 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1150 $parent_deleted = 0;
1154 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1155 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1156 if (dba::exists('item', $condition)) {
1157 logger('duplicated item with the same uri found. '.print_r($item,true));
1161 // On Friendica and Diaspora the GUID is unique
1162 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1163 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1164 if (dba::exists('item', $condition)) {
1165 logger('duplicated item with the same guid found. '.print_r($item,true));
1169 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1170 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1171 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1172 if (dba::exists('item', $condition)) {
1173 logger('duplicated item with the same body found. '.print_r($item,true));
1178 // Is this item available in the global items (with uid=0)?
1179 if ($item["uid"] == 0) {
1180 $item["global"] = true;
1182 // Set the global flag on all items if this was a global item entry
1183 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1185 $item["global"] = dba::exists('item', ['uid' => 0, 'uri' => $item["uri"]]);
1189 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1192 $private = $item['private'];
1195 $item["allow_cid"] = $allow_cid;
1196 $item["allow_gid"] = $allow_gid;
1197 $item["deny_cid"] = $deny_cid;
1198 $item["deny_gid"] = $deny_gid;
1199 $item["private"] = $private;
1200 $item["deleted"] = $parent_deleted;
1202 // Fill the cache field
1203 put_item_in_cache($item);
1206 Addon::callHooks('post_local', $item);
1208 Addon::callHooks('post_remote', $item);
1211 // This array field is used to trigger some automatic reactions
1212 // It is mainly used in the "post_local" hook.
1213 unset($item['api_source']);
1215 if (x($item, 'cancel')) {
1216 logger('post cancelled by addon.');
1221 * Check for already added items.
1222 * There is a timing issue here that sometimes creates double postings.
1223 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1225 if ($item["uid"] == 0) {
1226 if (dba::exists('item', ['uri' => trim($item['uri']), 'uid' => 0])) {
1227 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1232 logger('' . print_r($item,true), LOGGER_DATA);
1235 $ret = dba::insert('item', $item);
1237 // When the item was successfully stored we fetch the ID of the item.
1238 if (DBM::is_result($ret)) {
1239 $current_post = dba::lastInsertId();
1241 // This can happen - for example - if there are locking timeouts.
1244 // Store the data into a spool file so that we can try again later.
1246 // At first we restore the Diaspora signature that we removed above.
1247 if (isset($encoded_signature)) {
1248 $item['dsprsig'] = $encoded_signature;
1251 // Now we store the data in the spool directory
1252 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1253 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1255 $spoolpath = get_spoolpath();
1256 if ($spoolpath != "") {
1257 $spool = $spoolpath.'/'.$file;
1258 file_put_contents($spool, json_encode($item));
1259 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1264 if ($current_post == 0) {
1265 // This is one of these error messages that never should occur.
1266 logger("couldn't find created item - we better quit now.");
1271 // How much entries have we created?
1272 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1273 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1276 // There are duplicates. We delete our just created entry.
1277 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1279 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1280 dba::delete('item', ['id' => $current_post]);
1283 } elseif ($entries == 0) {
1284 // This really should never happen since we quit earlier if there were problems.
1285 logger("Something is terribly wrong. We haven't found our created entry.");
1290 logger('created item '.$current_post);
1291 self::updateContact($item);
1293 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1294 $parent_id = $current_post;
1298 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1300 $item['id'] = $current_post;
1301 $item['parent'] = $parent_id;
1303 // update the commented timestamp on the parent
1304 // Only update "commented" if it is really a comment
1305 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1306 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1308 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1313 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1314 * We can check for this condition when we decode and encode the stuff again.
1316 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1317 $dsprsig->signature = base64_decode($dsprsig->signature);
1318 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1321 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1322 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1325 if (!empty($diaspora_signed_text)) {
1326 // Formerly we stored the signed text, the signature and the author in different fields.
1327 // We now store the raw data so that we are more flexible.
1328 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1331 $deleted = self::tagDeliver($item['uid'], $current_post);
1334 * current post can be deleted if is for a community page and no mention are
1337 if (!$deleted && !$dontcache) {
1338 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1339 if (DBM::is_result($posted_item)) {
1341 Addon::callHooks('post_local_end', $posted_item);
1343 Addon::callHooks('post_remote_end', $posted_item);
1346 logger('new item not found in DB, id ' . $current_post);
1350 if ($item['parent-uri'] === $item['uri']) {
1351 self::addThread($current_post);
1353 self::updateThread($parent_id);
1359 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1360 * This is not perfect - but a workable solution until we found the reason for the problem.
1362 Term::insertFromTagFieldByItemId($current_post);
1363 Term::insertFromFileFieldByItemId($current_post);
1365 if ($item['parent-uri'] === $item['uri']) {
1366 self::addShadow($current_post);
1368 self::addShadowPost($current_post);
1371 check_user_notification($current_post);
1374 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1375 } elseif (!empty($parent) && $parent['origin']) {
1376 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1379 return $current_post;
1383 * @brief Distributes public items to the receivers
1385 * @param integer $itemid Item ID that should be added
1386 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1388 public static function distribute($itemid, $signed_text = '')
1390 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1391 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1392 if (!DBM::is_result($parent)) {
1396 // Only distribute public items from native networks
1397 $condition = ['id' => $itemid, 'uid' => 0,
1398 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1399 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1400 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1401 if (!DBM::is_result($item)) {
1406 unset($item['parent']);
1407 unset($item['mention']);
1408 unset($item['wall']);
1409 unset($item['origin']);
1410 unset($item['starred']);
1411 unset($item['rendered-hash']);
1412 unset($item['rendered-html']);
1416 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1417 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1418 $contacts = dba::select('contact', ['uid'], $condition);
1419 while ($contact = dba::fetch($contacts)) {
1420 $users[$contact['uid']] = $contact['uid'];
1425 if ($item['uri'] != $item['parent-uri']) {
1426 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1427 while ($parent = dba::fetch($parents)) {
1428 $users[$parent['uid']] = $parent['uid'];
1429 if ($parent['origin'] && !$item['origin']) {
1430 $origin_uid = $parent['uid'];
1435 foreach ($users as $uid) {
1436 if ($origin_uid == $uid) {
1437 $item['diaspora_signed_text'] = $signed_text;
1439 self::storeForUser($itemid, $item, $uid);
1444 * @brief Store public items for the receivers
1446 * @param integer $itemid Item ID that should be added
1447 * @param array $item The item entry that will be stored
1448 * @param integer $uid The user that will receive the item entry
1450 private static function storeForUser($itemid, $item, $uid)
1452 $item['uid'] = $uid;
1453 $item['origin'] = 0;
1455 if ($item['uri'] == $item['parent-uri']) {
1456 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1458 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1461 if (empty($item['contact-id'])) {
1462 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1463 if (!DBM::is_result($self)) {
1466 $item['contact-id'] = $self['id'];
1469 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1470 $item['type'] = 'remote-comment';
1471 } elseif ($item['type'] == 'wall') {
1472 $item['type'] = 'remote';
1475 /// @todo Handling of "event-id"
1478 if ($item['uri'] == $item['parent-uri']) {
1479 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1480 if (DBM::is_result($contact)) {
1481 $notify = self::isRemoteSelf($contact, $item);
1485 $distributed = self::insert($item, false, $notify, true);
1487 if (!$distributed) {
1488 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1490 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1495 * @brief Add a shadow entry for a given item id that is a thread starter
1497 * We store every public item entry additionally with the user id "0".
1498 * This is used for the community page and for the search.
1499 * It is planned that in the future we will store public item entries only once.
1501 * @param integer $itemid Item ID that should be added
1503 public static function addShadow($itemid)
1505 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1506 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1507 $item = dba::selectFirst('item', $fields, $condition);
1509 if (!DBM::is_result($item)) {
1513 // is it already a copy?
1514 if (($itemid == 0) || ($item['uid'] == 0)) {
1518 // Is it a visible public post?
1519 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1523 // is it an entry from a connector? Only add an entry for natively connected networks
1524 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1528 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1530 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1531 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1533 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1534 // Preparing public shadow (removing user specific data)
1537 unset($item['parent']);
1538 unset($item['wall']);
1539 unset($item['mention']);
1540 unset($item['origin']);
1541 unset($item['starred']);
1542 unset($item['rendered-hash']);
1543 unset($item['rendered-html']);
1544 if ($item['uri'] == $item['parent-uri']) {
1545 $item['contact-id'] = Contact::getIdForURL($item['owner-link']);
1547 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1550 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1551 $item['type'] = 'remote-comment';
1552 } elseif ($item['type'] == 'wall') {
1553 $item['type'] = 'remote';
1556 $public_shadow = self::insert($item, false, false, true);
1558 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1564 * @brief Add a shadow entry for a given item id that is a comment
1566 * This function does the same like the function above - but for comments
1568 * @param integer $itemid Item ID that should be added
1570 public static function addShadowPost($itemid)
1572 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1573 if (!DBM::is_result($item)) {
1577 // Is it a toplevel post?
1578 if ($item['id'] == $item['parent']) {
1579 self::addShadow($itemid);
1583 // Is this a shadow entry?
1584 if ($item['uid'] == 0) {
1588 // Is there a shadow parent?
1589 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
1593 // Is there already a shadow entry?
1594 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1598 // Save "origin" and "parent" state
1599 $origin = $item['origin'];
1600 $parent = $item['parent'];
1602 // Preparing public shadow (removing user specific data)
1605 unset($item['parent']);
1606 unset($item['wall']);
1607 unset($item['mention']);
1608 unset($item['origin']);
1609 unset($item['starred']);
1610 unset($item['rendered-hash']);
1611 unset($item['rendered-html']);
1612 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1614 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1615 $item['type'] = 'remote-comment';
1616 } elseif ($item['type'] == 'wall') {
1617 $item['type'] = 'remote';
1620 $public_shadow = self::insert($item, false, false, true);
1622 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1624 // If this was a comment to a Diaspora post we don't get our comment back.
1625 // This means that we have to distribute the comment by ourselves.
1626 if ($origin && dba::exists('item', ['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1627 self::distribute($public_shadow);
1632 * Adds a "lang" specification in a "postopts" element of given $arr,
1633 * if possible and not already present.
1634 * Expects "body" element to exist in $arr.
1636 private static function addLanguageInPostopts(&$item)
1640 if (!empty($item['postopts'])) {
1641 if (strstr($item['postopts'], 'lang=')) {
1645 $postopts = $item['postopts'];
1648 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1650 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1652 if (sizeof($languages) > 0) {
1653 if ($postopts != '') {
1654 $postopts .= '&'; // arbitrary separator, to be reviewed
1657 $postopts .= 'lang=';
1660 foreach ($languages as $language => $score) {
1661 $postopts .= $sep . $language . ";" . $score;
1664 $item['postopts'] = $postopts;
1669 * @brief Creates an unique guid out of a given uri
1671 * @param string $uri uri of an item entry
1672 * @param string $host hostname for the GUID prefix
1673 * @return string unique guid
1675 public static function guidFromUri($uri, $host)
1677 // Our regular guid routine is using this kind of prefix as well
1678 // We have to avoid that different routines could accidentally create the same value
1679 $parsed = parse_url($uri);
1681 // We use a hash of the hostname as prefix for the guid
1682 $guid_prefix = hash("crc32", $host);
1684 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1685 unset($parsed["scheme"]);
1687 // Glue it together to be able to make a hash from it
1688 $host_id = implode("/", $parsed);
1690 // We could use any hash algorithm since it isn't a security issue
1691 $host_hash = hash("ripemd128", $host_id);
1693 return $guid_prefix.$host_hash;
1697 * generate an unique URI
1699 * @param integer $uid User id
1700 * @param string $guid An existing GUID (Otherwise it will be generated)
1704 public static function newURI($uid, $guid = "")
1707 $guid = get_guid(32);
1710 $hostname = self::getApp()->get_hostname();
1712 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1714 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1720 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1722 * This can be used to filter for inactive contacts.
1723 * Only do this for public postings to avoid privacy problems, since poco data is public.
1724 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1726 * @param array $arr Contains the just posted item record
1728 private static function updateContact($arr)
1730 // Unarchive the author
1731 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1732 if (DBM::is_result($contact)) {
1733 Contact::unmarkForArchival($contact);
1736 // Unarchive the contact if it's not our own contact
1737 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1738 if (DBM::is_result($contact)) {
1739 Contact::unmarkForArchival($contact);
1742 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1744 // Is it a forum? Then we don't care about the rules from above
1745 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1746 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1752 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1753 ['id' => $arr['contact-id']]);
1755 // Now do the same for the system wide contacts with uid=0
1756 if (!$arr['private']) {
1757 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1758 ['id' => $arr['owner-id']]);
1760 if ($arr['owner-id'] != $arr['author-id']) {
1761 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1762 ['id' => $arr['author-id']]);
1767 public static function setHashtags(&$item)
1770 $tags = get_tags($item["body"]);
1773 if (!count($tags)) {
1777 // This sorting is important when there are hashtags that are part of other hashtags
1778 // Otherwise there could be problems with hashtags like #test and #test2
1781 $URLSearchString = "^\[\]";
1783 // All hashtags should point to the home server if "local_tags" is activated
1784 if (Config::get('system', 'local_tags')) {
1785 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1786 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1788 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1789 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1792 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1793 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1795 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1798 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1800 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1803 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1805 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1808 // Repair recursive urls
1809 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1810 "#$2", $item["body"]);
1812 foreach ($tags as $tag) {
1813 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1817 $basetag = str_replace('_',' ',substr($tag,1));
1819 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1821 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1823 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1824 if (strlen($item["tag"])) {
1825 $item["tag"] = ','.$item["tag"];
1827 $item["tag"] = $newtag.$item["tag"];
1831 // Convert back the masked hashtags
1832 $item["body"] = str_replace("#", "#", $item["body"]);
1835 public static function getGuidById($id)
1837 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1838 if (DBM::is_result($item)) {
1839 return $item['guid'];
1845 public static function getIdAndNickByGuid($guid, $uid = 0)
1851 $uid == local_user();
1854 // Does the given user have this item?
1856 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1857 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1858 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1859 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
1860 if (DBM::is_result($item)) {
1862 $nick = $item["nickname"];
1866 // Or is it anywhere on the server?
1868 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1869 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1870 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1871 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1872 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1873 AND NOT `item`.`private` AND `item`.`wall`
1874 AND `item`.`guid` = ?", $guid);
1875 if (DBM::is_result($item)) {
1877 $nick = $item["nickname"];
1880 return ["nick" => $nick, "id" => $id];
1884 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1886 * @param int $item_id
1887 * @return bool true if item was deleted, else false
1889 private static function tagDeliver($uid, $item_id)
1893 $user = dba::selectFirst('user', [], ['uid' => $uid]);
1894 if (!DBM::is_result($user)) {
1898 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
1899 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
1901 $item = dba::selectFirst('item', [], ['id' => $item_id]);
1902 if (!DBM::is_result($item)) {
1906 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1909 * Diaspora uses their own hardwired link URL in @-tags
1910 * instead of the one we supply with webfinger
1912 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
1914 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1916 foreach ($matches as $mtch) {
1917 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1919 logger('mention found: ' . $mtch[2]);
1925 if (($community_page || $prvgroup) &&
1926 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1927 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1929 logger("no-mention top-level post to community or private group. delete.");
1930 dba::delete('item', ['id' => $item_id]);
1936 $arr = ['item' => $item, 'user' => $user];
1938 Addon::callHooks('tagged', $arr);
1940 if (!$community_page && !$prvgroup) {
1945 * tgroup delivery - setup a second delivery chain
1946 * prevent delivery looping - only proceed
1947 * if the message originated elsewhere and is a top-level post
1949 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1953 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1954 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1955 if (!DBM::is_result($self)) {
1959 $owner_id = Contact::getIdForURL($self['url']);
1961 // also reset all the privacy bits to the forum default permissions
1963 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
1965 $forum_mode = ($prvgroup ? 2 : 1);
1967 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1968 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
1969 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
1970 dba::update('item', $fields, ['id' => $item_id]);
1972 self::updateThread($item_id);
1974 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1977 public static function isRemoteSelf($contact, &$datarray)
1981 if (!$contact['remote_self']) {
1985 // Prevent the forwarding of posts that are forwarded
1986 if ($datarray["extid"] == NETWORK_DFRN) {
1987 logger('Already forwarded', LOGGER_DEBUG);
1991 // Prevent to forward already forwarded posts
1992 if ($datarray["app"] == $a->get_hostname()) {
1993 logger('Already forwarded (second test)', LOGGER_DEBUG);
1997 // Only forward posts
1998 if ($datarray["verb"] != ACTIVITY_POST) {
1999 logger('No post', LOGGER_DEBUG);
2003 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2004 logger('Not public', LOGGER_DEBUG);
2008 $datarray2 = $datarray;
2009 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2010 if ($contact['remote_self'] == 2) {
2011 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2012 ['uid' => $contact['uid'], 'self' => true]);
2013 if (DBM::is_result($self)) {
2014 $datarray['contact-id'] = $self["id"];
2016 $datarray['owner-name'] = $self["name"];
2017 $datarray['owner-link'] = $self["url"];
2018 $datarray['owner-avatar'] = $self["thumb"];
2020 $datarray['author-name'] = $datarray['owner-name'];
2021 $datarray['author-link'] = $datarray['owner-link'];
2022 $datarray['author-avatar'] = $datarray['owner-avatar'];
2024 unset($datarray['created']);
2025 unset($datarray['edited']);
2027 unset($datarray['network']);
2028 unset($datarray['owner-id']);
2029 unset($datarray['author-id']);
2032 if ($contact['network'] != NETWORK_FEED) {
2033 $datarray["guid"] = get_guid(32);
2034 unset($datarray["plink"]);
2035 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2036 $datarray["parent-uri"] = $datarray["uri"];
2037 $datarray["thr-parent"] = $datarray["uri"];
2038 $datarray["extid"] = NETWORK_DFRN;
2039 $urlpart = parse_url($datarray2['author-link']);
2040 $datarray["app"] = $urlpart["host"];
2042 $datarray['private'] = 0;
2046 if ($contact['network'] != NETWORK_FEED) {
2047 // Store the original post
2048 $result = self::insert($datarray2, false, false);
2049 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2051 $datarray["app"] = "Feed";
2055 // Trigger automatic reactions for addons
2056 $datarray['api_source'] = true;
2058 // We have to tell the hooks who we are - this really should be improved
2059 $_SESSION["authenticated"] = true;
2060 $_SESSION["uid"] = $contact['uid'];
2069 * @param array $item
2073 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2075 if (Config::get('system', 'disable_embedded')) {
2079 logger('check for photos', LOGGER_DEBUG);
2080 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2085 $img_start = strpos($orig_body, '[img');
2086 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2087 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2089 while (($img_st_close !== false) && ($img_len !== false)) {
2090 $img_st_close++; // make it point to AFTER the closing bracket
2091 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2093 logger('found photo ' . $image, LOGGER_DEBUG);
2095 if (stristr($image, $site . '/photo/')) {
2096 // Only embed locally hosted photos
2098 $i = basename($image);
2099 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2100 $x = strpos($i, '-');
2103 $res = substr($i, $x + 1);
2104 $i = substr($i, 0, $x);
2105 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2106 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2107 if (DBM::is_result($photo)) {
2109 * Check to see if we should replace this photo link with an embedded image
2110 * 1. No need to do so if the photo is public
2111 * 2. If there's a contact-id provided, see if they're in the access list
2112 * for the photo. If so, embed it.
2113 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2114 * permissions, regardless of order but first check to see if they're an exact
2115 * match to save some processing overhead.
2117 if (self::hasPermissions($photo)) {
2119 $recips = self::enumeratePermissions($photo);
2120 if (in_array($cid, $recips)) {
2124 if (self::samePermissions($item, $photo)) {
2130 $data = $photo['data'];
2131 $type = $photo['type'];
2133 // If a custom width and height were specified, apply before embedding
2134 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2135 logger('scaling photo', LOGGER_DEBUG);
2137 $width = intval($match[1]);
2138 $height = intval($match[2]);
2140 $Image = new Image($data, $type);
2141 if ($Image->isValid()) {
2142 $Image->scaleDown(max($width, $height));
2143 $data = $Image->asString();
2144 $type = $Image->getType();
2148 logger('replacing photo', LOGGER_DEBUG);
2149 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2150 logger('replaced: ' . $image, LOGGER_DATA);
2156 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2157 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2158 if ($orig_body === false) {
2162 $img_start = strpos($orig_body, '[img');
2163 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2164 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2167 $new_body = $new_body . $orig_body;
2172 private static function hasPermissions($obj)
2176 x($obj, 'allow_cid')
2178 x($obj, 'allow_gid')
2187 private static function samePermissions($obj1, $obj2)
2189 // first part is easy. Check that these are exactly the same.
2190 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2191 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2192 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2193 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2197 // This is harder. Parse all the permissions and compare the resulting set.
2198 $recipients1 = self::enumeratePermissions($obj1);
2199 $recipients2 = self::enumeratePermissions($obj2);
2203 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2204 return ($recipients1 == $recipients2);
2207 // returns an array of contact-ids that are allowed to see this object
2208 private static function enumeratePermissions($obj)
2210 $allow_people = expand_acl($obj['allow_cid']);
2211 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2212 $deny_people = expand_acl($obj['deny_cid']);
2213 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2214 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2215 $deny = array_unique(array_merge($deny_people, $deny_groups));
2216 $recipients = array_diff($recipients, $deny);
2220 public static function getFeedTags($item)
2224 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2226 for ($x = 0; $x < $cnt; $x ++) {
2227 if ($matches[1][$x]) {
2228 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2233 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2235 for ($x = 0; $x < $cnt; $x ++) {
2236 if ($matches[1][$x]) {
2237 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2244 public static function expire($uid, $days, $network = "", $force = false)
2246 if (!$uid || ($days < 1)) {
2251 * $expire_network_only = save your own wall posts
2252 * and just expire conversations started by others
2254 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2255 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2257 if ($network != "") {
2258 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2261 * There is an index "uid_network_received" but not "uid_network_created"
2262 * This avoids the creation of another index just for one purpose.
2263 * And it doesn't really matter wether to look at "received" or "created"
2265 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2267 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2270 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2271 WHERE `uid` = %d $range
2279 if (!DBM::is_result($r)) {
2283 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2285 // Forcing expiring of items - but not notes and marked items
2287 $expire_items = true;
2290 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2291 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2292 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2294 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2296 foreach ($r as $item) {
2298 // don't expire filed items
2300 if (strpos($item['file'],'[') !== false) {
2304 // Only expire posts, not photos and photo comments
2306 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2308 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2310 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2312 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2316 self::deleteById($item['id'], PRIORITY_LOW);
2320 public static function firstPostDate($uid, $wall = false)
2322 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2323 $params = ['order' => ['created' => false]];
2324 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2325 if (DBM::is_result($thread)) {
2326 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2332 * @brief add/remove activity to an item
2334 * Toggle activities as like,dislike,attend of an item
2336 * @param string $item_id
2337 * @param string $verb
2338 * Activity verb. One of
2339 * like, unlike, dislike, undislike, attendyes, unattendyes,
2340 * attendno, unattendno, attendmaybe, unattendmaybe
2341 * @hook 'post_local_end'
2343 * 'post_id' => ID of posted item
2345 public static function performLike($item_id, $verb)
2347 if (!local_user() && !remote_user()) {
2354 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2355 $activity = ACTIVITY_LIKE;
2359 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2360 $activity = ACTIVITY_DISLIKE;
2364 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2365 $activity = ACTIVITY_ATTEND;
2369 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2370 $activity = ACTIVITY_ATTENDNO;
2373 case 'unattendmaybe':
2374 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2375 $activity = ACTIVITY_ATTENDMAYBE;
2378 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2382 // Enable activity toggling instead of on/off
2383 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2385 logger('like: verb ' . $verb . ' item ' . $item_id);
2387 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2388 if (!DBM::is_result($item)) {
2389 logger('like: unknown item ' . $item_id);
2393 $uid = $item['uid'];
2394 if (($uid == 0) && local_user()) {
2395 $uid = local_user();
2398 if (!can_write_wall($uid)) {
2399 logger('like: unable to write on wall ' . $uid);
2403 // Retrieves the local post owner
2404 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2405 if (!DBM::is_result($owner_self_contact)) {
2406 logger('like: unknown owner ' . $uid);
2410 // Retrieve the current logged in user's public contact
2411 $author_id = public_contact();
2413 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2414 if (!DBM::is_result($author_contact)) {
2415 logger('like: unknown author ' . $author_id);
2419 // Contact-id is the uid-dependant author contact
2420 if (local_user() == $uid) {
2421 $item_contact_id = $owner_self_contact['id'];
2422 $item_contact = $owner_self_contact;
2424 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2425 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2426 if (!DBM::is_result($item_contact)) {
2427 logger('like: unknown item contact ' . $item_contact_id);
2432 // Look for an existing verb row
2433 // event participation are essentially radio toggles. If you make a subsequent choice,
2434 // we need to eradicate your first choice.
2435 if ($event_verb_flag) {
2436 $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
2438 $verbs = "'".dbesc($activity)."'";
2441 /// @todo This query is expected to be a performance eater due to the "OR" - it has to be changed totally
2442 $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
2443 WHERE `verb` IN ($verbs)
2445 AND `author-id` = %d
2447 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
2449 intval($author_contact['id']),
2450 intval($item['uid']),
2451 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
2454 // If it exists, mark it as deleted
2455 if (DBM::is_result($existing_like)) {
2456 $like_item = $existing_like[0];
2458 // Already voted, undo it
2459 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2460 dba::update('item', $fields, ['id' => $like_item['id']]);
2462 // Clean up the Diaspora signatures for this like
2463 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2464 // if it had been enabled in the past
2465 dba::delete('sign', ['iid' => $like_item['id']]);
2467 $like_item_id = $like_item['id'];
2468 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2470 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2475 // Verb is "un-something", just trying to delete existing entries
2476 if (strpos($verb, 'un') === 0) {
2480 // Else or if event verb different from existing row, create a new item row
2481 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2482 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2483 $post_type = L10n::t('event');
2485 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2486 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2487 $body = $item['body'];
2492 <type>$objtype</type>
2494 <id>{$item['uri']}</id>
2497 <content>$body</content>
2501 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2502 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2503 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2506 'guid' => get_guid(32),
2507 'uri' => self::newURI($item['uid']),
2508 'uid' => $item['uid'],
2509 'contact-id' => $item_contact_id,
2510 'type' => 'activity',
2511 'wall' => $item['wall'],
2513 'gravity' => GRAVITY_LIKE,
2514 'parent' => $item['id'],
2515 'parent-uri' => $item['uri'],
2516 'thr-parent' => $item['uri'],
2517 'owner-id' => $item['owner-id'],
2518 'owner-name' => $item['owner-name'],
2519 'owner-link' => $item['owner-link'],
2520 'owner-avatar' => $item['owner-avatar'],
2521 'author-id' => $author_contact['id'],
2522 'author-name' => $author_contact['name'],
2523 'author-link' => $author_contact['url'],
2524 'author-avatar' => $author_contact['thumb'],
2525 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2526 'verb' => $activity,
2527 'object-type' => $objtype,
2529 'allow_cid' => $item['allow_cid'],
2530 'allow_gid' => $item['allow_gid'],
2531 'deny_cid' => $item['deny_cid'],
2532 'deny_gid' => $item['deny_gid'],
2537 $new_item_id = self::insert($new_item);
2539 // If the parent item isn't visible then set it to visible
2540 if (!$item['visible']) {
2541 self::update(['visible' => true], ['id' => $item['id']]);
2544 // Save the author information for the like in case we need to relay to Diaspora
2545 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2547 $new_item['id'] = $new_item_id;
2549 Addon::callHooks('post_local_end', $new_item);
2551 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2556 private static function addThread($itemid, $onlyshadow = false)
2558 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2559 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2560 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2561 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2562 $item = dba::selectFirst('item', $fields, $condition);
2564 if (!DBM::is_result($item)) {
2568 $item['iid'] = $itemid;
2571 $result = dba::insert('thread', $item);
2573 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2577 private static function updateThread($itemid, $setmention = false)
2579 $fields = ['uid', 'guid', 'title', 'body', 'created', 'edited', 'commented', 'received', 'changed',
2580 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2581 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id', 'rendered-html', 'rendered-hash'];
2582 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2584 $item = dba::selectFirst('item', $fields, $condition);
2585 if (!DBM::is_result($item)) {
2590 $item["mention"] = 1;
2597 foreach ($item as $field => $data) {
2598 if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
2599 $fields[$field] = $data;
2603 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2605 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2607 // Updating a shadow item entry
2608 $items = dba::selectFirst('item', ['id'], ['guid' => $item['guid'], 'uid' => 0]);
2610 if (!DBM::is_result($items)) {
2614 $fields = ['title' => $item['title'], 'body' => $item['body'],
2615 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2616 $result = dba::update('item', $fields, ['id' => $items['id']]);
2618 logger("Updating public shadow for post ".$items["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
2621 private static function deleteThread($itemid, $itemuri = "")
2623 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2624 if (!DBM::is_result($item)) {
2625 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2629 // Using dba::delete at this time could delete the associated item entries
2630 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2632 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2634 if ($itemuri != "") {
2635 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2636 if (!dba::exists('item', $condition)) {
2637 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2638 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);