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
37 * Retrieve a single record from the item table and returns it in an associative array
39 * @brief Retrieve a single record from a table
40 * @param integer $uid User ID
41 * @param array $fields
42 * @param array $condition
43 * @param array $params
47 public static function selectFirst($uid, array $fields = [], array $condition = [], $params = [])
50 $result = self::select($uid, $fields, $condition, $params);
52 if (is_bool($result)) {
55 $row = dba::fetch($result);
62 * @brief Select rows from the item table
64 * @param integer $uid User ID
65 * @param array $fields Array of selected fields, empty for all
66 * @param array $condition Array of fields for condition
67 * @param array $params Array of several parameters
69 * @return boolean|object
71 public static function select($uid, array $selected = [], array $condition = [], $params = [])
73 $fields = self::fieldlist($selected);
75 $select_fields = self::constructSelectFields($fields, $selected);
77 $condition_string = dba::buildCondition($condition);
79 $condition_string = self::addTablesToFields($condition_string, $fields);
81 $condition_string = $condition_string . ' AND ' . self::condition(false);
83 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
85 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
87 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
89 return dba::p($sql, $condition);
93 * Retrieve a single record from the starting post in the item table and returns it in an associative array
95 * @brief Retrieve a single record from a table
96 * @param integer $uid User ID
97 * @param array $fields
98 * @param array $condition
99 * @param array $params
103 public static function selectFirstThread($uid, array $fields = [], array $condition = [], $params = [])
105 $params['limit'] = 1;
106 $result = self::selectThread($uid, $fields, $condition, $params);
108 if (is_bool($result)) {
111 $row = dba::fetch($result);
118 * @brief Select rows from the starting post in the item table
120 * @param integer $uid User ID
121 * @param array $fields Array of selected fields, empty for all
122 * @param array $condition Array of fields for condition
123 * @param array $params Array of several parameters
125 * @return boolean|object
127 public static function selectThread($uid, array $selected = [], array $condition = [], $params = [])
129 $fields = self::fieldlist($selected);
131 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
132 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
133 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
134 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
136 $select_fields = self::constructSelectFields($fields, $selected);
138 $condition_string = dba::buildCondition($condition);
140 $condition_string = self::addTablesToFields($condition_string, $threadfields);
141 $condition_string = self::addTablesToFields($condition_string, $fields);
143 $condition_string = $condition_string . ' AND ' . self::condition(true);
145 $param_string = dba::buildParameter($params);
146 $param_string = self::addTablesToFields($param_string, $threadfields);
147 $param_string = self::addTablesToFields($param_string, $fields);
149 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
151 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
153 return dba::p($sql, $condition);
157 * @brief Returns a list of fields that are associated with the item table
159 * @return array field list
161 private static function fieldlist($selected)
163 $item_fields = ['author-id', 'owner-id', 'contact-id', 'uid', 'id', 'parent',
164 'uri', 'thr-parent', 'parent-uri', 'content-warning',
165 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
166 'guid', 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'event-id',
167 'location', 'coord', 'app', 'attach', 'rendered-hash', 'rendered-html', 'object',
168 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'unseen',
169 'id' => 'item_id', 'network' => 'item_network'];
171 $author_fields = ['url' => 'author-link', 'name' => 'author-name', 'thumb' => 'author-avatar'];
172 $owner_fields = ['url' => 'owner-link', 'name' => 'owner-name', 'thumb' => 'owner-avatar'];
173 $contact_fields = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
174 'network', 'url', 'name', 'writable', 'self', 'id' => 'cid', 'alias'];
176 $event_fields = ['created' => 'event-created', 'edited' => 'event-edited',
177 'start' => 'event-start','finish' => 'event-finish',
178 'summary' => 'event-summary','desc' => 'event-desc',
179 'location' => 'event-location', 'type' => 'event-type',
180 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
181 'ignore' => 'event-ignore', 'id' => 'event-id'];
183 $fields = ['item' => $item_fields, 'author' => $author_fields, 'owner' => $owner_fields,
184 'contact' => $contact_fields, 'event' => $event_fields];
186 if (!empty($selected)) {
187 $fields['parent-item'] = ['guid' => 'parent-guid'];
188 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
195 * @brief Returns SQL condition for the "select" functions
197 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
199 * @return string SQL condition
201 private static function condition($thread_mode)
204 $master_table = "`thread`";
206 $master_table = "`item`";
208 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
212 * @brief Returns all needed "JOIN" commands for the "select" functions
214 * @param integer $uid User ID
215 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
216 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
218 * @return string The SQL joins for the "select" functions
220 private static function constructJoins($uid, $sql_commands, $thread_mode)
223 $master_table = "`thread`";
224 $master_table_key = "`thread`.`iid`";
225 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
227 $master_table = "`item`";
228 $master_table_key = "`item`.`id`";
232 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
233 AND NOT `contact`.`blocked`
234 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
235 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
236 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
237 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
238 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
239 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
241 if (strpos($sql_commands, "`group_member`.") !== false) {
242 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
245 if (strpos($sql_commands, "`user`.") !== false) {
246 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
249 if (strpos($sql_commands, "`event`.") !== false) {
250 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
253 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
254 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
257 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
258 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
265 * @brief Add the field list for the "select" functions
267 * @param array $fields The field definition array
268 * @param array $selected The array with the selected fields from the "select" functions
270 * @return string The field list
272 private static function constructSelectFields($fields, $selected)
275 foreach ($fields as $table => $table_fields) {
276 foreach ($table_fields as $field => $select) {
277 if (empty($selected) || in_array($select, $selected)) {
278 if (is_int($field)) {
279 $selection[] = "`" . $table . "`.`".$select."`";
281 $selection[] = "`" . $table . "`.`" . $field . "` AS `".$select ."`";
286 return implode(", ", $selection);
290 * @brief add table definition to fields in an SQL query
292 * @param string $query SQL query
293 * @param array $fields The field definition array
295 * @return string the changed SQL query
297 private static function addTablesToFields($query, $fields)
299 foreach ($fields as $table => $table_fields) {
300 foreach ($table_fields as $alias => $field) {
301 if (is_int($alias)) {
302 $replace_field = $field;
304 $replace_field = $alias;
307 $search = "/([^\.])`" . $field . "`/i";
308 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
309 $query = preg_replace($search, $replace, $query);
316 * @brief Update existing item entries
318 * @param array $fields The fields that are to be changed
319 * @param array $condition The condition for finding the item entries
321 * In the future we may have to change permissions as well.
322 * Then we had to add the user id as third parameter.
324 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
326 * @return integer|boolean number of affected rows - or "false" if there was an error
328 public static function update(array $fields, array $condition)
330 if (empty($condition) || empty($fields)) {
334 // To ensure the data integrity we do it in an transaction
337 // We cannot simply expand the condition to check for origin entries
338 // The condition needn't to be a simple array but could be a complex condition.
339 // And we have to execute this query before the update to ensure to fetch the same data.
340 $items = dba::select('item', ['id', 'origin'], $condition);
342 $success = dba::update('item', $fields, $condition);
350 $rows = dba::affected_rows();
352 while ($item = dba::fetch($items)) {
353 Term::insertFromTagFieldByItemId($item['id']);
354 Term::insertFromFileFieldByItemId($item['id']);
355 self::updateThread($item['id']);
357 // We only need to notfiy others when it is an original entry from us.
358 // Only call the notifier when the item has some content relevant change.
359 if ($item['origin'] && in_array('edited', array_keys($fields))) {
360 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
370 * @brief Delete an item and notify others about it - if it was ours
372 * @param array $condition The condition for finding the item entries
373 * @param integer $priority Priority for the notification
375 public static function delete($condition, $priority = PRIORITY_HIGH)
377 $items = dba::select('item', ['id'], $condition);
378 while ($item = dba::fetch($items)) {
379 self::deleteById($item['id'], $priority);
385 * @brief Delete an item for an user and notify others about it - if it was ours
387 * @param array $condition The condition for finding the item entries
388 * @param integer $uid User who wants to delete this item
390 public static function deleteForUser($condition, $uid)
396 $items = dba::select('item', ['id', 'uid'], $condition);
397 while ($item = dba::fetch($items)) {
398 // "Deleting" global items just means hiding them
399 if ($item['uid'] == 0) {
400 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
401 } elseif ($item['uid'] == $uid) {
402 self::deleteById($item['id'], PRIORITY_HIGH);
404 logger('Wrong ownership. Not deleting item ' . $item['id']);
411 * @brief Delete an item and notify others about it - if it was ours
413 * @param integer $item_id Item ID that should be delete
414 * @param integer $priority Priority for the notification
416 * @return boolean success
418 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
420 // locate item to be deleted
421 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
422 'deleted', 'file', 'resource-id', 'event-id', 'attach',
423 'verb', 'object-type', 'object', 'target', 'contact-id'];
424 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
425 if (!DBM::is_result($item)) {
426 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
430 if ($item['deleted']) {
431 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
435 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
436 if (!DBM::is_result($parent)) {
437 $parent = ['origin' => false];
440 // clean up categories and tags so they don't end up as orphans
443 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
445 foreach ($matches as $mtch) {
446 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
452 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
454 foreach ($matches as $mtch) {
455 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
460 * If item is a link to a photo resource, nuke all the associated photos
461 * (visitors will not have photo resources)
462 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
463 * generate a resource-id and therefore aren't intimately linked to the item.
465 if (strlen($item['resource-id'])) {
466 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
469 // If item is a link to an event, delete the event.
470 if (intval($item['event-id'])) {
471 Event::delete($item['event-id']);
474 // If item has attachments, drop them
475 foreach (explode(", ", $item['attach']) as $attach) {
476 preg_match("|attach/(\d+)|", $attach, $matches);
477 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
480 // Delete tags that had been attached to other items
481 self::deleteTagsFromItem($item);
483 // Set the item to "deleted"
484 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
485 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
486 ['id' => $item['id']]);
488 Term::insertFromTagFieldByItemId($item['id']);
489 Term::insertFromFileFieldByItemId($item['id']);
490 self::deleteThread($item['id'], $item['parent-uri']);
492 if (!dba::exists('item', ["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
493 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
496 // If it's the parent of a comment thread, kill all the kids
497 if ($item['id'] == $item['parent']) {
498 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
501 // Is it our comment and/or our thread?
502 if ($item['origin'] || $parent['origin']) {
504 // When we delete the original post we will delete all existing copies on the server as well
505 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
507 // send the notification upstream/downstream
508 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
509 } elseif ($item['uid'] != 0) {
511 // When we delete just our local user copy of an item, we have to set a marker to hide it
512 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
513 if (DBM::is_result($global_item)) {
514 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
518 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
523 private static function deleteTagsFromItem($item)
525 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
529 $xo = XML::parseString($item["object"], false);
530 $xt = XML::parseString($item["target"], false);
532 if ($xt->type != ACTIVITY_OBJ_NOTE) {
536 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
537 if (!DBM::is_result($i)) {
541 // For tags, the owner cannot remove the tag on the author's copy of the post.
542 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
543 $author_copy = $item["origin"];
545 if (($owner_remove && $author_copy) || !$owner_remove) {
549 $tags = explode(',', $i["tag"]);
552 foreach ($tags as $tag) {
553 if (trim($tag) !== trim($xo->body)) {
554 $newtags[] = trim($tag);
558 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
561 private static function guid($item, $notify)
563 $guid = notags(trim($item['guid']));
570 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
571 // We add the hash of our own host because our host is the original creator of the post.
572 $prefix_host = get_app()->get_hostname();
576 // We are only storing the post so we create a GUID from the original hostname.
577 if (!empty($item['author-link'])) {
578 $parsed = parse_url($item['author-link']);
579 if (!empty($parsed['host'])) {
580 $prefix_host = $parsed['host'];
584 if (empty($prefix_host) && !empty($item['plink'])) {
585 $parsed = parse_url($item['plink']);
586 if (!empty($parsed['host'])) {
587 $prefix_host = $parsed['host'];
591 if (empty($prefix_host) && !empty($item['uri'])) {
592 $parsed = parse_url($item['uri']);
593 if (!empty($parsed['host'])) {
594 $prefix_host = $parsed['host'];
598 // Is it in the format data@host.tld? - Used for mail contacts
599 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
600 $mailparts = explode('@', $item['author-link']);
601 $prefix_host = array_pop($mailparts);
605 if (!empty($item['plink'])) {
606 $guid = self::guidFromUri($item['plink'], $prefix_host);
607 } elseif (!empty($item['uri'])) {
608 $guid = self::guidFromUri($item['uri'], $prefix_host);
610 $guid = get_guid(32, hash('crc32', $prefix_host));
616 private static function contactId($item)
618 $contact_id = (int)$item["contact-id"];
620 if (!empty($contact_id)) {
623 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
625 * First we are looking for a suitable contact that matches with the author of the post
626 * This is done only for comments
628 if ($item['parent-uri'] != $item['uri']) {
629 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
632 // If not present then maybe the owner was found
633 if ($contact_id == 0) {
634 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
637 // Still missing? Then use the "self" contact of the current user
638 if ($contact_id == 0) {
639 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
640 if (DBM::is_result($self)) {
641 $contact_id = $self["id"];
644 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
649 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
653 // If it is a posting where users should get notifications, then define it as wall posting
656 $item['type'] = 'wall';
658 $item['network'] = NETWORK_DFRN;
659 $item['protocol'] = PROTOCOL_DFRN;
661 if (is_int($notify)) {
664 $priority = PRIORITY_HIGH;
667 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
670 $item['guid'] = self::guid($item, $notify);
671 $item['uri'] = notags(trim(defaults($item, 'uri', item_new_uri($a->get_hostname(), $item['uid'], $item['guid']))));
673 // Store conversation data
674 $item = Conversation::insert($item);
677 * If a Diaspora signature structure was passed in, pull it out of the
678 * item array and set it aside for later storage.
682 if (x($item, 'dsprsig')) {
683 $encoded_signature = $item['dsprsig'];
684 $dsprsig = json_decode(base64_decode($item['dsprsig']));
685 unset($item['dsprsig']);
688 if (!empty($item['diaspora_signed_text'])) {
689 $diaspora_signed_text = $item['diaspora_signed_text'];
690 unset($item['diaspora_signed_text']);
692 $diaspora_signed_text = '';
695 // Converting the plink
696 /// @TODO Check if this is really still needed
697 if ($item['network'] == NETWORK_OSTATUS) {
698 if (isset($item['plink'])) {
699 $item['plink'] = OStatus::convertHref($item['plink']);
700 } elseif (isset($item['uri'])) {
701 $item['plink'] = OStatus::convertHref($item['uri']);
705 if (!empty($item['thr-parent'])) {
706 $item['parent-uri'] = $item['thr-parent'];
709 if (x($item, 'gravity')) {
710 $item['gravity'] = intval($item['gravity']);
711 } elseif ($item['parent-uri'] === $item['uri']) {
712 $item['gravity'] = 0;
713 } elseif (activity_match($item['verb'],ACTIVITY_POST)) {
714 $item['gravity'] = 6;
716 $item['gravity'] = 6; // extensible catchall
719 $item['type'] = defaults($item, 'type', 'remote');
721 $uid = intval($item['uid']);
723 // check for create date and expire time
724 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
726 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
727 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
728 $expire_interval = $user['expire'];
731 if (($expire_interval > 0) && !empty($item['created'])) {
732 $expire_date = time() - ($expire_interval * 86400);
733 $created_date = strtotime($item['created']);
734 if ($created_date < $expire_date) {
735 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
741 * Do we already have this item?
742 * We have to check several networks since Friendica posts could be repeated
743 * via OStatus (maybe Diasporsa as well)
745 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
746 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
747 trim($item['uri']), $item['uid'],
748 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
749 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
750 if (DBM::is_result($existing)) {
751 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
753 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
756 return $existing["id"];
760 self::addLanguageInPostopts($item);
762 $item['wall'] = intval(defaults($item, 'wall', 0));
763 $item['extid'] = trim(defaults($item, 'extid', ''));
764 $item['author-name'] = trim(defaults($item, 'author-name', ''));
765 $item['author-link'] = trim(defaults($item, 'author-link', ''));
766 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
767 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
768 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
769 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
770 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
771 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
772 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
773 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
774 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
775 $item['title'] = trim(defaults($item, 'title', ''));
776 $item['location'] = trim(defaults($item, 'location', ''));
777 $item['coord'] = trim(defaults($item, 'coord', ''));
778 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
779 $item['deleted'] = 0;
780 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
781 $item['verb'] = trim(defaults($item, 'verb', ''));
782 $item['object-type'] = trim(defaults($item, 'object-type', ''));
783 $item['object'] = trim(defaults($item, 'object', ''));
784 $item['target-type'] = trim(defaults($item, 'target-type', ''));
785 $item['target'] = trim(defaults($item, 'target', ''));
786 $item['plink'] = trim(defaults($item, 'plink', ''));
787 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
788 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
789 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
790 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
791 $item['private'] = intval(defaults($item, 'private', 0));
792 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
793 $item['body'] = trim(defaults($item, 'body', ''));
794 $item['tag'] = trim(defaults($item, 'tag', ''));
795 $item['attach'] = trim(defaults($item, 'attach', ''));
796 $item['app'] = trim(defaults($item, 'app', ''));
797 $item['origin'] = intval(defaults($item, 'origin', 0));
798 $item['postopts'] = trim(defaults($item, 'postopts', ''));
799 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
800 $item['event-id'] = intval(defaults($item, 'event-id', 0));
801 $item['inform'] = trim(defaults($item, 'inform', ''));
802 $item['file'] = trim(defaults($item, 'file', ''));
804 // When there is no content then we don't post it
805 if ($item['body'].$item['title'] == '') {
809 // Items cannot be stored before they happen ...
810 if ($item['created'] > DateTimeFormat::utcNow()) {
811 $item['created'] = DateTimeFormat::utcNow();
814 // We haven't invented time travel by now.
815 if ($item['edited'] > DateTimeFormat::utcNow()) {
816 $item['edited'] = DateTimeFormat::utcNow();
819 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
820 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
823 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
825 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
826 $item["contact-id"] = self::contactId($item);
828 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
829 'photo' => $item['author-avatar'], 'network' => $item['network']];
831 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
833 if (Contact::isBlocked($item["author-id"])) {
834 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
838 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
839 'photo' => $item['owner-avatar'], 'network' => $item['network']];
841 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
843 if (Contact::isBlocked($item["owner-id"])) {
844 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
848 //unset($item['author-link']);
849 //unset($item['author-name']);
850 //unset($item['author-avatar']);
852 //unset($item['owner-link']);
853 unset($item['owner-name']);
854 unset($item['owner-avatar']);
856 if ($item['network'] == NETWORK_PHANTOM) {
857 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
859 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
860 if (!empty($contact['network'])) {
861 $item['network'] = $contact["network"];
863 $item['network'] = NETWORK_DFRN;
865 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
868 // Checking if there is already an item with the same guid
869 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
870 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
871 if (dba::exists('item', $condition)) {
872 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
876 // Check for hashtags in the body and repair or add hashtag links
877 self::setHashtags($item);
879 $item['thr-parent'] = $item['parent-uri'];
887 if ($item['parent-uri'] === $item['uri']) {
890 $allow_cid = $item['allow_cid'];
891 $allow_gid = $item['allow_gid'];
892 $deny_cid = $item['deny_cid'];
893 $deny_gid = $item['deny_gid'];
894 $notify_type = 'wall-new';
896 // find the parent and snarf the item id and ACLs
897 // and anything else we need to inherit
899 $fields = ['uri', 'parent-uri', 'id', 'deleted',
900 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
901 'wall', 'private', 'forum_mode', 'origin'];
902 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
903 $params = ['order' => ['id' => false]];
904 $parent = dba::selectFirst('item', $fields, $condition, $params);
906 if (DBM::is_result($parent)) {
907 // is the new message multi-level threaded?
908 // even though we don't support it now, preserve the info
909 // and re-attach to the conversation parent.
911 if ($parent['uri'] != $parent['parent-uri']) {
912 $item['parent-uri'] = $parent['parent-uri'];
914 $condition = ['uri' => $item['parent-uri'],
915 'parent-uri' => $item['parent-uri'],
916 'uid' => $item['uid']];
917 $params = ['order' => ['id' => false]];
918 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
920 if (DBM::is_result($toplevel_parent)) {
921 $parent = $toplevel_parent;
925 $parent_id = $parent['id'];
926 $parent_deleted = $parent['deleted'];
927 $allow_cid = $parent['allow_cid'];
928 $allow_gid = $parent['allow_gid'];
929 $deny_cid = $parent['deny_cid'];
930 $deny_gid = $parent['deny_gid'];
931 $item['wall'] = $parent['wall'];
932 $notify_type = 'comment-new';
935 * If the parent is private, force privacy for the entire conversation
936 * This differs from the above settings as it subtly allows comments from
937 * email correspondents to be private even if the overall thread is not.
939 if ($parent['private']) {
940 $item['private'] = $parent['private'];
944 * Edge case. We host a public forum that was originally posted to privately.
945 * The original author commented, but as this is a comment, the permissions
946 * weren't fixed up so it will still show the comment as private unless we fix it here.
948 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
949 $item['private'] = 0;
952 // If its a post from myself then tag the thread as "mention"
953 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
954 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
955 if (DBM::is_result($user)) {
956 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
957 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$item['author-link']." and ".$item['owner-link'], LOGGER_DEBUG);
958 if ((normalise_link($item['author-link']) == $self) || (normalise_link($item['owner-link']) == $self)) {
959 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
960 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
965 * Allow one to see reply tweets from status.net even when
966 * we don't have or can't see the original post.
969 logger('$force_parent=true, reply converted to top-level post.');
971 $item['parent-uri'] = $item['uri'];
972 $item['gravity'] = 0;
974 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
982 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
983 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
984 if (dba::exists('item', $condition)) {
985 logger('duplicated item with the same uri found. '.print_r($item,true));
989 // On Friendica and Diaspora the GUID is unique
990 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
991 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
992 if (dba::exists('item', $condition)) {
993 logger('duplicated item with the same guid found. '.print_r($item,true));
997 // Check for an existing post with the same content. There seems to be a problem with OStatus.
998 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
999 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1000 if (dba::exists('item', $condition)) {
1001 logger('duplicated item with the same body found. '.print_r($item,true));
1006 // Is this item available in the global items (with uid=0)?
1007 if ($item["uid"] == 0) {
1008 $item["global"] = true;
1010 // Set the global flag on all items if this was a global item entry
1011 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1013 $item["global"] = dba::exists('item', ['uid' => 0, 'uri' => $item["uri"]]);
1017 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1020 $private = $item['private'];
1023 $item["allow_cid"] = $allow_cid;
1024 $item["allow_gid"] = $allow_gid;
1025 $item["deny_cid"] = $deny_cid;
1026 $item["deny_gid"] = $deny_gid;
1027 $item["private"] = $private;
1028 $item["deleted"] = $parent_deleted;
1030 // Fill the cache field
1031 put_item_in_cache($item);
1034 Addon::callHooks('post_local', $item);
1036 Addon::callHooks('post_remote', $item);
1039 // This array field is used to trigger some automatic reactions
1040 // It is mainly used in the "post_local" hook.
1041 unset($item['api_source']);
1043 if (x($item, 'cancel')) {
1044 logger('post cancelled by addon.');
1049 * Check for already added items.
1050 * There is a timing issue here that sometimes creates double postings.
1051 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1053 if ($item["uid"] == 0) {
1054 if (dba::exists('item', ['uri' => trim($item['uri']), 'uid' => 0])) {
1055 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1060 logger('' . print_r($item,true), LOGGER_DATA);
1063 $ret = dba::insert('item', $item);
1065 // When the item was successfully stored we fetch the ID of the item.
1066 if (DBM::is_result($ret)) {
1067 $current_post = dba::lastInsertId();
1069 // This can happen - for example - if there are locking timeouts.
1072 // Store the data into a spool file so that we can try again later.
1074 // At first we restore the Diaspora signature that we removed above.
1075 if (isset($encoded_signature)) {
1076 $item['dsprsig'] = $encoded_signature;
1079 // Now we store the data in the spool directory
1080 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1081 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1083 $spoolpath = get_spoolpath();
1084 if ($spoolpath != "") {
1085 $spool = $spoolpath.'/'.$file;
1086 file_put_contents($spool, json_encode($item));
1087 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1092 if ($current_post == 0) {
1093 // This is one of these error messages that never should occur.
1094 logger("couldn't find created item - we better quit now.");
1099 // How much entries have we created?
1100 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1101 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1104 // There are duplicates. We delete our just created entry.
1105 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1107 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1108 dba::delete('item', ['id' => $current_post]);
1111 } elseif ($entries == 0) {
1112 // This really should never happen since we quit earlier if there were problems.
1113 logger("Something is terribly wrong. We haven't found our created entry.");
1118 logger('created item '.$current_post);
1119 self::updateContact($item);
1121 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1122 $parent_id = $current_post;
1126 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1128 $item['id'] = $current_post;
1129 $item['parent'] = $parent_id;
1131 // update the commented timestamp on the parent
1132 // Only update "commented" if it is really a comment
1133 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1134 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1136 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1141 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1142 * We can check for this condition when we decode and encode the stuff again.
1144 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1145 $dsprsig->signature = base64_decode($dsprsig->signature);
1146 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1149 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1150 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1153 if (!empty($diaspora_signed_text)) {
1154 // Formerly we stored the signed text, the signature and the author in different fields.
1155 // We now store the raw data so that we are more flexible.
1156 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1159 $deleted = self::tagDeliver($item['uid'], $current_post);
1162 * current post can be deleted if is for a community page and no mention are
1165 if (!$deleted && !$dontcache) {
1166 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1167 if (DBM::is_result($posted_item)) {
1169 Addon::callHooks('post_local_end', $posted_item);
1171 Addon::callHooks('post_remote_end', $posted_item);
1174 logger('new item not found in DB, id ' . $current_post);
1178 if ($item['parent-uri'] === $item['uri']) {
1179 self::addThread($current_post);
1181 self::updateThread($parent_id);
1187 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1188 * This is not perfect - but a workable solution until we found the reason for the problem.
1190 Term::insertFromTagFieldByItemId($current_post);
1191 Term::insertFromFileFieldByItemId($current_post);
1193 if ($item['parent-uri'] === $item['uri']) {
1194 self::addShadow($current_post);
1196 self::addShadowPost($current_post);
1199 check_user_notification($current_post);
1202 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1203 } elseif (!empty($parent) && $parent['origin']) {
1204 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1207 return $current_post;
1211 * @brief Distributes public items to the receivers
1213 * @param integer $itemid Item ID that should be added
1214 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1216 public static function distribute($itemid, $signed_text = '')
1218 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1219 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1220 if (!DBM::is_result($parent)) {
1224 // Only distribute public items from native networks
1225 $condition = ['id' => $itemid, 'uid' => 0,
1226 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1227 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1228 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1229 if (!DBM::is_result($item)) {
1234 unset($item['parent']);
1235 unset($item['mention']);
1236 unset($item['wall']);
1237 unset($item['origin']);
1238 unset($item['starred']);
1239 unset($item['rendered-hash']);
1240 unset($item['rendered-html']);
1244 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1245 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1246 $contacts = dba::select('contact', ['uid'], $condition);
1247 while ($contact = dba::fetch($contacts)) {
1248 $users[$contact['uid']] = $contact['uid'];
1253 if ($item['uri'] != $item['parent-uri']) {
1254 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1255 while ($parent = dba::fetch($parents)) {
1256 $users[$parent['uid']] = $parent['uid'];
1257 if ($parent['origin'] && !$item['origin']) {
1258 $origin_uid = $parent['uid'];
1263 foreach ($users as $uid) {
1264 if ($origin_uid == $uid) {
1265 $item['diaspora_signed_text'] = $signed_text;
1267 self::storeForUser($itemid, $item, $uid);
1272 * @brief Store public items for the receivers
1274 * @param integer $itemid Item ID that should be added
1275 * @param array $item The item entry that will be stored
1276 * @param integer $uid The user that will receive the item entry
1278 private static function storeForUser($itemid, $item, $uid)
1280 $item['uid'] = $uid;
1281 $item['origin'] = 0;
1283 if ($item['uri'] == $item['parent-uri']) {
1284 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1286 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1289 if (empty($item['contact-id'])) {
1290 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1291 if (!DBM::is_result($self)) {
1294 $item['contact-id'] = $self['id'];
1297 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1298 $item['type'] = 'remote-comment';
1299 } elseif ($item['type'] == 'wall') {
1300 $item['type'] = 'remote';
1303 /// @todo Handling of "event-id"
1306 if ($item['uri'] == $item['parent-uri']) {
1307 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1308 if (DBM::is_result($contact)) {
1309 $notify = self::isRemoteSelf($contact, $item);
1313 $distributed = self::insert($item, false, $notify, true);
1315 if (!$distributed) {
1316 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1318 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1323 * @brief Add a shadow entry for a given item id that is a thread starter
1325 * We store every public item entry additionally with the user id "0".
1326 * This is used for the community page and for the search.
1327 * It is planned that in the future we will store public item entries only once.
1329 * @param integer $itemid Item ID that should be added
1331 public static function addShadow($itemid)
1333 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1334 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1335 $item = dba::selectFirst('item', $fields, $condition);
1337 if (!DBM::is_result($item)) {
1341 // is it already a copy?
1342 if (($itemid == 0) || ($item['uid'] == 0)) {
1346 // Is it a visible public post?
1347 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1351 // is it an entry from a connector? Only add an entry for natively connected networks
1352 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1356 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1358 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1359 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1361 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1362 // Preparing public shadow (removing user specific data)
1365 unset($item['parent']);
1366 unset($item['wall']);
1367 unset($item['mention']);
1368 unset($item['origin']);
1369 unset($item['starred']);
1370 unset($item['rendered-hash']);
1371 unset($item['rendered-html']);
1372 if ($item['uri'] == $item['parent-uri']) {
1373 $item['contact-id'] = Contact::getIdForURL($item['owner-link']);
1375 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1378 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1379 $item['type'] = 'remote-comment';
1380 } elseif ($item['type'] == 'wall') {
1381 $item['type'] = 'remote';
1384 $public_shadow = self::insert($item, false, false, true);
1386 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1392 * @brief Add a shadow entry for a given item id that is a comment
1394 * This function does the same like the function above - but for comments
1396 * @param integer $itemid Item ID that should be added
1398 public static function addShadowPost($itemid)
1400 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1401 if (!DBM::is_result($item)) {
1405 // Is it a toplevel post?
1406 if ($item['id'] == $item['parent']) {
1407 self::addShadow($itemid);
1411 // Is this a shadow entry?
1412 if ($item['uid'] == 0) {
1416 // Is there a shadow parent?
1417 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
1421 // Is there already a shadow entry?
1422 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1426 // Save "origin" and "parent" state
1427 $origin = $item['origin'];
1428 $parent = $item['parent'];
1430 // Preparing public shadow (removing user specific data)
1433 unset($item['parent']);
1434 unset($item['wall']);
1435 unset($item['mention']);
1436 unset($item['origin']);
1437 unset($item['starred']);
1438 unset($item['rendered-hash']);
1439 unset($item['rendered-html']);
1440 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1442 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1443 $item['type'] = 'remote-comment';
1444 } elseif ($item['type'] == 'wall') {
1445 $item['type'] = 'remote';
1448 $public_shadow = self::insert($item, false, false, true);
1450 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1452 // If this was a comment to a Diaspora post we don't get our comment back.
1453 // This means that we have to distribute the comment by ourselves.
1454 if ($origin && dba::exists('item', ['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1455 self::distribute($public_shadow);
1460 * Adds a "lang" specification in a "postopts" element of given $arr,
1461 * if possible and not already present.
1462 * Expects "body" element to exist in $arr.
1464 private static function addLanguageInPostopts(&$item)
1468 if (!empty($item['postopts'])) {
1469 if (strstr($item['postopts'], 'lang=')) {
1473 $postopts = $item['postopts'];
1476 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1478 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1480 if (sizeof($languages) > 0) {
1481 if ($postopts != '') {
1482 $postopts .= '&'; // arbitrary separator, to be reviewed
1485 $postopts .= 'lang=';
1488 foreach ($languages as $language => $score) {
1489 $postopts .= $sep . $language . ";" . $score;
1492 $item['postopts'] = $postopts;
1497 * @brief Creates an unique guid out of a given uri
1499 * @param string $uri uri of an item entry
1500 * @param string $host hostname for the GUID prefix
1501 * @return string unique guid
1503 public static function guidFromUri($uri, $host)
1505 // Our regular guid routine is using this kind of prefix as well
1506 // We have to avoid that different routines could accidentally create the same value
1507 $parsed = parse_url($uri);
1509 // We use a hash of the hostname as prefix for the guid
1510 $guid_prefix = hash("crc32", $host);
1512 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1513 unset($parsed["scheme"]);
1515 // Glue it together to be able to make a hash from it
1516 $host_id = implode("/", $parsed);
1518 // We could use any hash algorithm since it isn't a security issue
1519 $host_hash = hash("ripemd128", $host_id);
1521 return $guid_prefix.$host_hash;
1525 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1527 * This can be used to filter for inactive contacts.
1528 * Only do this for public postings to avoid privacy problems, since poco data is public.
1529 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1531 * @param array $arr Contains the just posted item record
1533 private static function updateContact($arr)
1535 // Unarchive the author
1536 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1537 if (DBM::is_result($contact)) {
1538 Contact::unmarkForArchival($contact);
1541 // Unarchive the contact if it's not our own contact
1542 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1543 if (DBM::is_result($contact)) {
1544 Contact::unmarkForArchival($contact);
1547 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1549 // Is it a forum? Then we don't care about the rules from above
1550 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1551 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1557 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1558 ['id' => $arr['contact-id']]);
1560 // Now do the same for the system wide contacts with uid=0
1561 if (!$arr['private']) {
1562 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1563 ['id' => $arr['owner-id']]);
1565 if ($arr['owner-id'] != $arr['author-id']) {
1566 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1567 ['id' => $arr['author-id']]);
1572 public static function setHashtags(&$item)
1575 $tags = get_tags($item["body"]);
1578 if (!count($tags)) {
1582 // This sorting is important when there are hashtags that are part of other hashtags
1583 // Otherwise there could be problems with hashtags like #test and #test2
1586 $URLSearchString = "^\[\]";
1588 // All hashtags should point to the home server if "local_tags" is activated
1589 if (Config::get('system', 'local_tags')) {
1590 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1591 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1593 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1594 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1597 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1598 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1600 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1603 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1605 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1608 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1610 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1613 // Repair recursive urls
1614 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1615 "#$2", $item["body"]);
1617 foreach ($tags as $tag) {
1618 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1622 $basetag = str_replace('_',' ',substr($tag,1));
1624 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1626 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1628 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1629 if (strlen($item["tag"])) {
1630 $item["tag"] = ','.$item["tag"];
1632 $item["tag"] = $newtag.$item["tag"];
1636 // Convert back the masked hashtags
1637 $item["body"] = str_replace("#", "#", $item["body"]);
1640 public static function getGuidById($id)
1642 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1643 if (DBM::is_result($item)) {
1644 return $item['guid'];
1650 public static function getIdAndNickByGuid($guid, $uid = 0)
1656 $uid == local_user();
1659 // Does the given user have this item?
1661 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1662 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1663 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1664 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
1665 if (DBM::is_result($item)) {
1667 $nick = $item["nickname"];
1671 // Or is it anywhere on the server?
1673 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1674 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1675 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1676 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1677 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1678 AND NOT `item`.`private` AND `item`.`wall`
1679 AND `item`.`guid` = ?", $guid);
1680 if (DBM::is_result($item)) {
1682 $nick = $item["nickname"];
1685 return ["nick" => $nick, "id" => $id];
1689 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1691 * @param int $item_id
1692 * @return bool true if item was deleted, else false
1694 private static function tagDeliver($uid, $item_id)
1698 $user = dba::selectFirst('user', [], ['uid' => $uid]);
1699 if (!DBM::is_result($user)) {
1703 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
1704 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
1706 $item = dba::selectFirst('item', [], ['id' => $item_id]);
1707 if (!DBM::is_result($item)) {
1711 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1714 * Diaspora uses their own hardwired link URL in @-tags
1715 * instead of the one we supply with webfinger
1717 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
1719 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1721 foreach ($matches as $mtch) {
1722 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1724 logger('mention found: ' . $mtch[2]);
1730 if (($community_page || $prvgroup) &&
1731 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1732 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1734 logger("no-mention top-level post to community or private group. delete.");
1735 dba::delete('item', ['id' => $item_id]);
1741 $arr = ['item' => $item, 'user' => $user];
1743 Addon::callHooks('tagged', $arr);
1745 if (!$community_page && !$prvgroup) {
1750 * tgroup delivery - setup a second delivery chain
1751 * prevent delivery looping - only proceed
1752 * if the message originated elsewhere and is a top-level post
1754 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1758 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1759 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1760 if (!DBM::is_result($self)) {
1764 $owner_id = Contact::getIdForURL($self['url']);
1766 // also reset all the privacy bits to the forum default permissions
1768 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
1770 $forum_mode = ($prvgroup ? 2 : 1);
1772 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1773 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
1774 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
1775 dba::update('item', $fields, ['id' => $item_id]);
1777 self::updateThread($item_id);
1779 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1782 public static function isRemoteSelf($contact, &$datarray)
1786 if (!$contact['remote_self']) {
1790 // Prevent the forwarding of posts that are forwarded
1791 if ($datarray["extid"] == NETWORK_DFRN) {
1792 logger('Already forwarded', LOGGER_DEBUG);
1796 // Prevent to forward already forwarded posts
1797 if ($datarray["app"] == $a->get_hostname()) {
1798 logger('Already forwarded (second test)', LOGGER_DEBUG);
1802 // Only forward posts
1803 if ($datarray["verb"] != ACTIVITY_POST) {
1804 logger('No post', LOGGER_DEBUG);
1808 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1809 logger('Not public', LOGGER_DEBUG);
1813 $datarray2 = $datarray;
1814 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1815 if ($contact['remote_self'] == 2) {
1816 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1817 ['uid' => $contact['uid'], 'self' => true]);
1818 if (DBM::is_result($self)) {
1819 $datarray['contact-id'] = $self["id"];
1821 $datarray['owner-name'] = $self["name"];
1822 $datarray['owner-link'] = $self["url"];
1823 $datarray['owner-avatar'] = $self["thumb"];
1825 $datarray['author-name'] = $datarray['owner-name'];
1826 $datarray['author-link'] = $datarray['owner-link'];
1827 $datarray['author-avatar'] = $datarray['owner-avatar'];
1829 unset($datarray['created']);
1830 unset($datarray['edited']);
1832 unset($datarray['network']);
1833 unset($datarray['owner-id']);
1834 unset($datarray['author-id']);
1837 if ($contact['network'] != NETWORK_FEED) {
1838 $datarray["guid"] = get_guid(32);
1839 unset($datarray["plink"]);
1840 $datarray["uri"] = item_new_uri($a->get_hostname(), $contact['uid'], $datarray["guid"]);
1841 $datarray["parent-uri"] = $datarray["uri"];
1842 $datarray["thr-parent"] = $datarray["uri"];
1843 $datarray["extid"] = NETWORK_DFRN;
1844 $urlpart = parse_url($datarray2['author-link']);
1845 $datarray["app"] = $urlpart["host"];
1847 $datarray['private'] = 0;
1851 if ($contact['network'] != NETWORK_FEED) {
1852 // Store the original post
1853 $result = self::insert($datarray2, false, false);
1854 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1856 $datarray["app"] = "Feed";
1860 // Trigger automatic reactions for addons
1861 $datarray['api_source'] = true;
1863 // We have to tell the hooks who we are - this really should be improved
1864 $_SESSION["authenticated"] = true;
1865 $_SESSION["uid"] = $contact['uid'];
1874 * @param array $item
1878 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
1880 if (Config::get('system', 'disable_embedded')) {
1884 logger('check for photos', LOGGER_DEBUG);
1885 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
1890 $img_start = strpos($orig_body, '[img');
1891 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1892 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1894 while (($img_st_close !== false) && ($img_len !== false)) {
1895 $img_st_close++; // make it point to AFTER the closing bracket
1896 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
1898 logger('found photo ' . $image, LOGGER_DEBUG);
1900 if (stristr($image, $site . '/photo/')) {
1901 // Only embed locally hosted photos
1903 $i = basename($image);
1904 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
1905 $x = strpos($i, '-');
1908 $res = substr($i, $x + 1);
1909 $i = substr($i, 0, $x);
1910 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
1911 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
1912 if (DBM::is_result($photo)) {
1914 * Check to see if we should replace this photo link with an embedded image
1915 * 1. No need to do so if the photo is public
1916 * 2. If there's a contact-id provided, see if they're in the access list
1917 * for the photo. If so, embed it.
1918 * 3. Otherwise, if we have an item, see if the item permissions match the photo
1919 * permissions, regardless of order but first check to see if they're an exact
1920 * match to save some processing overhead.
1922 if (self::hasPermissions($photo)) {
1924 $recips = self::enumeratePermissions($photo);
1925 if (in_array($cid, $recips)) {
1929 if (self::samePermissions($item, $photo)) {
1935 $data = $photo['data'];
1936 $type = $photo['type'];
1938 // If a custom width and height were specified, apply before embedding
1939 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
1940 logger('scaling photo', LOGGER_DEBUG);
1942 $width = intval($match[1]);
1943 $height = intval($match[2]);
1945 $Image = new Image($data, $type);
1946 if ($Image->isValid()) {
1947 $Image->scaleDown(max($width, $height));
1948 $data = $Image->asString();
1949 $type = $Image->getType();
1953 logger('replacing photo', LOGGER_DEBUG);
1954 $image = 'data:' . $type . ';base64,' . base64_encode($data);
1955 logger('replaced: ' . $image, LOGGER_DATA);
1961 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
1962 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
1963 if ($orig_body === false) {
1967 $img_start = strpos($orig_body, '[img');
1968 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
1969 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
1972 $new_body = $new_body . $orig_body;
1977 private static function hasPermissions($obj)
1981 x($obj, 'allow_cid')
1983 x($obj, 'allow_gid')
1992 private static function samePermissions($obj1, $obj2)
1994 // first part is easy. Check that these are exactly the same.
1995 if (($obj1['allow_cid'] == $obj2['allow_cid'])
1996 && ($obj1['allow_gid'] == $obj2['allow_gid'])
1997 && ($obj1['deny_cid'] == $obj2['deny_cid'])
1998 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2002 // This is harder. Parse all the permissions and compare the resulting set.
2003 $recipients1 = self::enumeratePermissions($obj1);
2004 $recipients2 = self::enumeratePermissions($obj2);
2008 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2009 return ($recipients1 == $recipients2);
2012 // returns an array of contact-ids that are allowed to see this object
2013 private static function enumeratePermissions($obj)
2015 $allow_people = expand_acl($obj['allow_cid']);
2016 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2017 $deny_people = expand_acl($obj['deny_cid']);
2018 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2019 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2020 $deny = array_unique(array_merge($deny_people, $deny_groups));
2021 $recipients = array_diff($recipients, $deny);
2025 public static function getFeedTags($item)
2029 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2031 for ($x = 0; $x < $cnt; $x ++) {
2032 if ($matches[1][$x]) {
2033 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2038 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2040 for ($x = 0; $x < $cnt; $x ++) {
2041 if ($matches[1][$x]) {
2042 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2049 public static function expire($uid, $days, $network = "", $force = false)
2051 if (!$uid || ($days < 1)) {
2056 * $expire_network_only = save your own wall posts
2057 * and just expire conversations started by others
2059 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2060 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2062 if ($network != "") {
2063 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2066 * There is an index "uid_network_received" but not "uid_network_created"
2067 * This avoids the creation of another index just for one purpose.
2068 * And it doesn't really matter wether to look at "received" or "created"
2070 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2072 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2075 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2076 WHERE `uid` = %d $range
2084 if (!DBM::is_result($r)) {
2088 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2090 // Forcing expiring of items - but not notes and marked items
2092 $expire_items = true;
2095 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2096 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2097 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2099 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2101 foreach ($r as $item) {
2103 // don't expire filed items
2105 if (strpos($item['file'],'[') !== false) {
2109 // Only expire posts, not photos and photo comments
2111 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2113 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2115 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2117 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2121 self::deleteById($item['id'], PRIORITY_LOW);
2125 public static function firstPostDate($uid, $wall = false)
2127 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2128 $params = ['order' => ['created' => false]];
2129 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2130 if (DBM::is_result($thread)) {
2131 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2137 * @brief add/remove activity to an item
2139 * Toggle activities as like,dislike,attend of an item
2141 * @param string $item_id
2142 * @param string $verb
2143 * Activity verb. One of
2144 * like, unlike, dislike, undislike, attendyes, unattendyes,
2145 * attendno, unattendno, attendmaybe, unattendmaybe
2146 * @hook 'post_local_end'
2148 * 'post_id' => ID of posted item
2150 public static function performLike($item_id, $verb)
2152 if (!local_user() && !remote_user()) {
2159 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2160 $activity = ACTIVITY_LIKE;
2164 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2165 $activity = ACTIVITY_DISLIKE;
2169 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2170 $activity = ACTIVITY_ATTEND;
2174 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2175 $activity = ACTIVITY_ATTENDNO;
2178 case 'unattendmaybe':
2179 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2180 $activity = ACTIVITY_ATTENDMAYBE;
2183 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2187 // Enable activity toggling instead of on/off
2188 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2190 logger('like: verb ' . $verb . ' item ' . $item_id);
2192 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2193 if (!DBM::is_result($item)) {
2194 logger('like: unknown item ' . $item_id);
2198 $uid = $item['uid'];
2199 if (($uid == 0) && local_user()) {
2200 $uid = local_user();
2203 if (!can_write_wall($uid)) {
2204 logger('like: unable to write on wall ' . $uid);
2208 // Retrieves the local post owner
2209 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2210 if (!DBM::is_result($owner_self_contact)) {
2211 logger('like: unknown owner ' . $uid);
2215 // Retrieve the current logged in user's public contact
2216 $author_id = public_contact();
2218 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2219 if (!DBM::is_result($author_contact)) {
2220 logger('like: unknown author ' . $author_id);
2224 // Contact-id is the uid-dependant author contact
2225 if (local_user() == $uid) {
2226 $item_contact_id = $owner_self_contact['id'];
2227 $item_contact = $owner_self_contact;
2229 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2230 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2231 if (!DBM::is_result($item_contact)) {
2232 logger('like: unknown item contact ' . $item_contact_id);
2237 // Look for an existing verb row
2238 // event participation are essentially radio toggles. If you make a subsequent choice,
2239 // we need to eradicate your first choice.
2240 if ($event_verb_flag) {
2241 $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
2243 $verbs = "'".dbesc($activity)."'";
2246 /// @todo This query is expected to be a performance eater due to the "OR" - it has to be changed totally
2247 $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
2248 WHERE `verb` IN ($verbs)
2250 AND `author-id` = %d
2252 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
2254 intval($author_contact['id']),
2255 intval($item['uid']),
2256 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
2259 // If it exists, mark it as deleted
2260 if (DBM::is_result($existing_like)) {
2261 $like_item = $existing_like[0];
2263 // Already voted, undo it
2264 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2265 dba::update('item', $fields, ['id' => $like_item['id']]);
2267 // Clean up the Diaspora signatures for this like
2268 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2269 // if it had been enabled in the past
2270 dba::delete('sign', ['iid' => $like_item['id']]);
2272 $like_item_id = $like_item['id'];
2273 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2275 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2280 // Verb is "un-something", just trying to delete existing entries
2281 if (strpos($verb, 'un') === 0) {
2285 // Else or if event verb different from existing row, create a new item row
2286 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2287 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2288 $post_type = L10n::t('event');
2290 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2291 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2292 $body = $item['body'];
2297 <type>$objtype</type>
2299 <id>{$item['uri']}</id>
2302 <content>$body</content>
2306 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2307 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2308 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2311 'guid' => get_guid(32),
2312 'uri' => item_new_uri(self::getApp()->get_hostname(), $item['uid']),
2313 'uid' => $item['uid'],
2314 'contact-id' => $item_contact_id,
2315 'type' => 'activity',
2316 'wall' => $item['wall'],
2318 'gravity' => GRAVITY_LIKE,
2319 'parent' => $item['id'],
2320 'parent-uri' => $item['uri'],
2321 'thr-parent' => $item['uri'],
2322 'owner-id' => $item['owner-id'],
2323 'owner-name' => $item['owner-name'],
2324 'owner-link' => $item['owner-link'],
2325 'owner-avatar' => $item['owner-avatar'],
2326 'author-id' => $author_contact['id'],
2327 'author-name' => $author_contact['name'],
2328 'author-link' => $author_contact['url'],
2329 'author-avatar' => $author_contact['thumb'],
2330 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2331 'verb' => $activity,
2332 'object-type' => $objtype,
2334 'allow_cid' => $item['allow_cid'],
2335 'allow_gid' => $item['allow_gid'],
2336 'deny_cid' => $item['deny_cid'],
2337 'deny_gid' => $item['deny_gid'],
2342 $new_item_id = self::insert($new_item);
2344 // If the parent item isn't visible then set it to visible
2345 if (!$item['visible']) {
2346 self::update(['visible' => true], ['id' => $item['id']]);
2349 // Save the author information for the like in case we need to relay to Diaspora
2350 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2352 $new_item['id'] = $new_item_id;
2354 Addon::callHooks('post_local_end', $new_item);
2356 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2361 private static function addThread($itemid, $onlyshadow = false)
2363 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2364 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2365 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2366 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2367 $item = dba::selectFirst('item', $fields, $condition);
2369 if (!DBM::is_result($item)) {
2373 $item['iid'] = $itemid;
2376 $result = dba::insert('thread', $item);
2378 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2382 private static function updateThread($itemid, $setmention = false)
2384 $fields = ['uid', 'guid', 'title', 'body', 'created', 'edited', 'commented', 'received', 'changed',
2385 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2386 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id', 'rendered-html', 'rendered-hash'];
2387 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2389 $item = dba::selectFirst('item', $fields, $condition);
2390 if (!DBM::is_result($item)) {
2395 $item["mention"] = 1;
2402 foreach ($item as $field => $data) {
2403 if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
2404 $fields[$field] = $data;
2408 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2410 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2412 // Updating a shadow item entry
2413 $items = dba::selectFirst('item', ['id'], ['guid' => $item['guid'], 'uid' => 0]);
2415 if (!DBM::is_result($items)) {
2419 $fields = ['title' => $item['title'], 'body' => $item['body'],
2420 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2421 $result = dba::update('item', $fields, ['id' => $items['id']]);
2423 logger("Updating public shadow for post ".$items["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
2426 private static function deleteThread($itemid, $itemuri = "")
2428 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2429 if (!DBM::is_result($item)) {
2430 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2434 // Using dba::delete at this time could delete the associated item entries
2435 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2437 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2439 if ($itemuri != "") {
2440 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2441 if (!dba::exists('item', $condition)) {
2442 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2443 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);