4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\L10n;
14 use Friendica\Core\PConfig;
15 use Friendica\Core\System;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Contact;
19 use Friendica\Model\Conversation;
20 use Friendica\Model\Group;
21 use Friendica\Model\Term;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\XML;
28 use Text_LanguageDetect;
30 require_once 'boot.php';
31 require_once 'include/items.php';
32 require_once 'include/text.php';
34 class Item extends BaseObject
36 // Field list that is used to display the items
37 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
38 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
39 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach',
40 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
41 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
42 'author-id', 'author-link', 'author-name', 'author-avatar', 'author-network',
43 'owner-id', 'owner-link', 'owner-name', 'owner-avatar',
44 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
45 'network', 'url', 'name', 'writable', 'self', 'cid', 'alias',
46 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
47 'event-summary', 'event-desc', 'event-location', 'event-type',
48 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
50 // Field list that is used to deliver items via the protocols
51 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
52 'created', 'edited', 'verb', 'object-type', 'object', 'target',
53 'private', 'title', 'body', 'location', 'coord', 'app',
54 'attach', 'tag', 'bookmark', 'deleted', 'extid',
55 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
56 'author-id', 'author-link', 'owner-link', 'contact-uid',
57 'signed_text', 'signature', 'signer'];
60 * Retrieve a single record from the item table for a given user and returns it in an associative array
62 * @brief Retrieve a single record from a table
63 * @param integer $uid User ID
64 * @param array $fields
65 * @param array $condition
66 * @param array $params
70 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
72 $params['uid'] = $uid;
74 if (empty($selected)) {
75 $selected = Item::DISPLAY_FIELDLIST;
78 return self::selectFirst($selected, $condition, $params);
82 * @brief Select rows from the item table for a given user
84 * @param integer $uid User ID
85 * @param array $selected Array of selected fields, empty for all
86 * @param array $condition Array of fields for condition
87 * @param array $params Array of several parameters
89 * @return boolean|object
91 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
93 $params['uid'] = $uid;
95 if (empty($selected)) {
96 $selected = Item::DISPLAY_FIELDLIST;
99 return self::select($selected, $condition, $params);
103 * Retrieve a single record from the item table and returns it in an associative array
105 * @brief Retrieve a single record from a table
106 * @param array $fields
107 * @param array $condition
108 * @param array $params
112 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
114 $params['limit'] = 1;
116 $result = self::select($fields, $condition, $params);
118 if (is_bool($result)) {
121 $row = dba::fetch($result);
128 * @brief Select rows from the item table
130 * @param array $selected Array of selected fields, empty for all
131 * @param array $condition Array of fields for condition
132 * @param array $params Array of several parameters
134 * @return boolean|object
136 public static function select(array $selected = [], array $condition = [], $params = [])
141 if (isset($params['uid'])) {
142 $uid = $params['uid'];
146 $fields = self::fieldlist($selected);
148 $select_fields = self::constructSelectFields($fields, $selected);
150 $condition_string = dba::buildCondition($condition);
152 $condition_string = self::addTablesToFields($condition_string, $fields);
155 $condition_string = $condition_string . ' AND ' . self::condition(false);
158 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
160 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
162 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
164 return dba::p($sql, $condition);
168 * Retrieve a single record from the starting post in the item table and returns it in an associative array
170 * @brief Retrieve a single record from a table
171 * @param integer $uid User ID
172 * @param array $fields
173 * @param array $condition
174 * @param array $params
178 public static function selectFirstThreadForUser($uid, array $fields = [], array $condition = [], $params = [])
180 $params['limit'] = 1;
181 $result = self::selectThreadForUser($uid, $fields, $condition, $params);
183 if (is_bool($result)) {
186 $row = dba::fetch($result);
193 * @brief Select rows from the starting post in the item table
195 * @param integer $uid User ID
196 * @param array $fields Array of selected fields, empty for all
197 * @param array $condition Array of fields for condition
198 * @param array $params Array of several parameters
200 * @return boolean|object
202 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
204 if (empty($selected)) {
205 $selected = Item::DISPLAY_FIELDLIST;
208 $fields = self::fieldlist($selected);
210 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
211 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
212 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
213 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
215 $select_fields = self::constructSelectFields($fields, $selected);
217 $condition_string = dba::buildCondition($condition);
219 $condition_string = self::addTablesToFields($condition_string, $threadfields);
220 $condition_string = self::addTablesToFields($condition_string, $fields);
222 $condition_string = $condition_string . ' AND ' . self::condition(true);
224 $param_string = dba::buildParameter($params);
225 $param_string = self::addTablesToFields($param_string, $threadfields);
226 $param_string = self::addTablesToFields($param_string, $fields);
228 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
230 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
232 return dba::p($sql, $condition);
236 * @brief Returns a list of fields that are associated with the item table
238 * @return array field list
240 private static function fieldlist($selected)
244 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
245 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
246 'created', 'edited', 'commented', 'received', 'changed',
247 'title', 'body', 'app', 'verb', 'object-type', 'object', 'target-type', 'target',
248 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
249 'file', 'location', 'coord', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
250 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
251 'unseen', 'deleted', 'origin', 'forum_mode', 'mention',
252 'rendered-hash', 'rendered-html', 'global', 'shadow', 'content-warning',
253 'id' => 'item_id', 'network'];
255 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
256 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network'];
258 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
259 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network'];
261 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
262 'network', 'url', 'name', 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
263 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id', 'network' => 'contact-network'];
265 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
267 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
269 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
270 'start' => 'event-start','finish' => 'event-finish',
271 'summary' => 'event-summary','desc' => 'event-desc',
272 'location' => 'event-location', 'type' => 'event-type',
273 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
274 'ignore' => 'event-ignore', 'id' => 'event-id'];
276 $fields['sign'] = ['signed_text', 'signature', 'signer'];
282 * @brief Returns SQL condition for the "select" functions
284 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
286 * @return string SQL condition
288 private static function condition($thread_mode)
291 $master_table = "`thread`";
293 $master_table = "`item`";
295 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
299 * @brief Returns all needed "JOIN" commands for the "select" functions
301 * @param integer $uid User ID
302 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
303 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
305 * @return string The SQL joins for the "select" functions
307 private static function constructJoins($uid, $sql_commands, $thread_mode)
310 $master_table = "`thread`";
311 $master_table_key = "`thread`.`iid`";
312 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
314 $master_table = "`item`";
315 $master_table_key = "`item`.`id`";
319 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
320 AND NOT `contact`.`blocked`
321 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
322 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
323 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
324 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
325 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
326 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
328 if (strpos($sql_commands, "`group_member`.") !== false) {
329 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
332 if (strpos($sql_commands, "`user`.") !== false) {
333 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
336 if (strpos($sql_commands, "`event`.") !== false) {
337 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
340 if (strpos($sql_commands, "`sign`.") !== false) {
341 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
344 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
345 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
348 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
349 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
356 * @brief Add the field list for the "select" functions
358 * @param array $fields The field definition array
359 * @param array $selected The array with the selected fields from the "select" functions
361 * @return string The field list
363 private static function constructSelectFields($fields, $selected)
366 foreach ($fields as $table => $table_fields) {
367 foreach ($table_fields as $field => $select) {
368 if (empty($selected) || in_array($select, $selected)) {
369 if (is_int($field)) {
370 $selection[] = "`" . $table . "`.`".$select."`";
372 $selection[] = "`" . $table . "`.`" . $field . "` AS `".$select ."`";
377 return implode(", ", $selection);
381 * @brief add table definition to fields in an SQL query
383 * @param string $query SQL query
384 * @param array $fields The field definition array
386 * @return string the changed SQL query
388 private static function addTablesToFields($query, $fields)
390 foreach ($fields as $table => $table_fields) {
391 foreach ($table_fields as $alias => $field) {
392 if (is_int($alias)) {
393 $replace_field = $field;
395 $replace_field = $alias;
398 $search = "/([^\.])`" . $field . "`/i";
399 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
400 $query = preg_replace($search, $replace, $query);
407 * @brief Update existing item entries
409 * @param array $fields The fields that are to be changed
410 * @param array $condition The condition for finding the item entries
412 * In the future we may have to change permissions as well.
413 * Then we had to add the user id as third parameter.
415 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
417 * @return integer|boolean number of affected rows - or "false" if there was an error
419 public static function update(array $fields, array $condition)
421 if (empty($condition) || empty($fields)) {
425 // To ensure the data integrity we do it in an transaction
428 // We cannot simply expand the condition to check for origin entries
429 // The condition needn't to be a simple array but could be a complex condition.
430 // And we have to execute this query before the update to ensure to fetch the same data.
431 $items = dba::select('item', ['id', 'origin'], $condition);
433 $success = dba::update('item', $fields, $condition);
441 $rows = dba::affected_rows();
443 while ($item = dba::fetch($items)) {
444 Term::insertFromTagFieldByItemId($item['id']);
445 Term::insertFromFileFieldByItemId($item['id']);
446 self::updateThread($item['id']);
448 // We only need to notfiy others when it is an original entry from us.
449 // Only call the notifier when the item has some content relevant change.
450 if ($item['origin'] && in_array('edited', array_keys($fields))) {
451 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
461 * @brief Delete an item and notify others about it - if it was ours
463 * @param array $condition The condition for finding the item entries
464 * @param integer $priority Priority for the notification
466 public static function delete($condition, $priority = PRIORITY_HIGH)
468 $items = dba::select('item', ['id'], $condition);
469 while ($item = dba::fetch($items)) {
470 self::deleteById($item['id'], $priority);
476 * @brief Delete an item for an user and notify others about it - if it was ours
478 * @param array $condition The condition for finding the item entries
479 * @param integer $uid User who wants to delete this item
481 public static function deleteForUser($condition, $uid)
487 $items = dba::select('item', ['id', 'uid'], $condition);
488 while ($item = dba::fetch($items)) {
489 // "Deleting" global items just means hiding them
490 if ($item['uid'] == 0) {
491 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
492 } elseif ($item['uid'] == $uid) {
493 self::deleteById($item['id'], PRIORITY_HIGH);
495 logger('Wrong ownership. Not deleting item ' . $item['id']);
502 * @brief Delete an item and notify others about it - if it was ours
504 * @param integer $item_id Item ID that should be delete
505 * @param integer $priority Priority for the notification
507 * @return boolean success
509 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
511 // locate item to be deleted
512 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
513 'deleted', 'file', 'resource-id', 'event-id', 'attach',
514 'verb', 'object-type', 'object', 'target', 'contact-id'];
515 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
516 if (!DBM::is_result($item)) {
517 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
521 if ($item['deleted']) {
522 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
526 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
527 if (!DBM::is_result($parent)) {
528 $parent = ['origin' => false];
531 // clean up categories and tags so they don't end up as orphans
534 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
536 foreach ($matches as $mtch) {
537 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
543 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
545 foreach ($matches as $mtch) {
546 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
551 * If item is a link to a photo resource, nuke all the associated photos
552 * (visitors will not have photo resources)
553 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
554 * generate a resource-id and therefore aren't intimately linked to the item.
556 if (strlen($item['resource-id'])) {
557 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
560 // If item is a link to an event, delete the event.
561 if (intval($item['event-id'])) {
562 Event::delete($item['event-id']);
565 // If item has attachments, drop them
566 foreach (explode(", ", $item['attach']) as $attach) {
567 preg_match("|attach/(\d+)|", $attach, $matches);
568 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
571 // Delete tags that had been attached to other items
572 self::deleteTagsFromItem($item);
574 // Set the item to "deleted"
575 dba::update('item', ['deleted' => true, 'title' => '', 'body' => '',
576 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
577 ['id' => $item['id']]);
579 Term::insertFromTagFieldByItemId($item['id']);
580 Term::insertFromFileFieldByItemId($item['id']);
581 self::deleteThread($item['id'], $item['parent-uri']);
583 if (!dba::exists('item', ["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
584 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
587 // If it's the parent of a comment thread, kill all the kids
588 if ($item['id'] == $item['parent']) {
589 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
592 // Is it our comment and/or our thread?
593 if ($item['origin'] || $parent['origin']) {
595 // When we delete the original post we will delete all existing copies on the server as well
596 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
598 // send the notification upstream/downstream
599 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
600 } elseif ($item['uid'] != 0) {
602 // When we delete just our local user copy of an item, we have to set a marker to hide it
603 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
604 if (DBM::is_result($global_item)) {
605 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
609 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
614 private static function deleteTagsFromItem($item)
616 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
620 $xo = XML::parseString($item["object"], false);
621 $xt = XML::parseString($item["target"], false);
623 if ($xt->type != ACTIVITY_OBJ_NOTE) {
627 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
628 if (!DBM::is_result($i)) {
632 // For tags, the owner cannot remove the tag on the author's copy of the post.
633 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
634 $author_copy = $item["origin"];
636 if (($owner_remove && $author_copy) || !$owner_remove) {
640 $tags = explode(',', $i["tag"]);
643 foreach ($tags as $tag) {
644 if (trim($tag) !== trim($xo->body)) {
645 $newtags[] = trim($tag);
649 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
652 private static function guid($item, $notify)
654 $guid = notags(trim($item['guid']));
661 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
662 // We add the hash of our own host because our host is the original creator of the post.
663 $prefix_host = get_app()->get_hostname();
667 // We are only storing the post so we create a GUID from the original hostname.
668 if (!empty($item['author-link'])) {
669 $parsed = parse_url($item['author-link']);
670 if (!empty($parsed['host'])) {
671 $prefix_host = $parsed['host'];
675 if (empty($prefix_host) && !empty($item['plink'])) {
676 $parsed = parse_url($item['plink']);
677 if (!empty($parsed['host'])) {
678 $prefix_host = $parsed['host'];
682 if (empty($prefix_host) && !empty($item['uri'])) {
683 $parsed = parse_url($item['uri']);
684 if (!empty($parsed['host'])) {
685 $prefix_host = $parsed['host'];
689 // Is it in the format data@host.tld? - Used for mail contacts
690 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
691 $mailparts = explode('@', $item['author-link']);
692 $prefix_host = array_pop($mailparts);
696 if (!empty($item['plink'])) {
697 $guid = self::guidFromUri($item['plink'], $prefix_host);
698 } elseif (!empty($item['uri'])) {
699 $guid = self::guidFromUri($item['uri'], $prefix_host);
701 $guid = get_guid(32, hash('crc32', $prefix_host));
707 private static function contactId($item)
709 $contact_id = (int)$item["contact-id"];
711 if (!empty($contact_id)) {
714 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
716 * First we are looking for a suitable contact that matches with the author of the post
717 * This is done only for comments
719 if ($item['parent-uri'] != $item['uri']) {
720 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
723 // If not present then maybe the owner was found
724 if ($contact_id == 0) {
725 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
728 // Still missing? Then use the "self" contact of the current user
729 if ($contact_id == 0) {
730 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
731 if (DBM::is_result($self)) {
732 $contact_id = $self["id"];
735 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
740 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
744 // If it is a posting where users should get notifications, then define it as wall posting
747 $item['type'] = 'wall';
749 $item['network'] = NETWORK_DFRN;
750 $item['protocol'] = PROTOCOL_DFRN;
752 if (is_int($notify)) {
755 $priority = PRIORITY_HIGH;
758 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
761 $item['guid'] = self::guid($item, $notify);
762 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
764 // Store conversation data
765 $item = Conversation::insert($item);
768 * If a Diaspora signature structure was passed in, pull it out of the
769 * item array and set it aside for later storage.
773 if (x($item, 'dsprsig')) {
774 $encoded_signature = $item['dsprsig'];
775 $dsprsig = json_decode(base64_decode($item['dsprsig']));
776 unset($item['dsprsig']);
779 if (!empty($item['diaspora_signed_text'])) {
780 $diaspora_signed_text = $item['diaspora_signed_text'];
781 unset($item['diaspora_signed_text']);
783 $diaspora_signed_text = '';
786 // Converting the plink
787 /// @TODO Check if this is really still needed
788 if ($item['network'] == NETWORK_OSTATUS) {
789 if (isset($item['plink'])) {
790 $item['plink'] = OStatus::convertHref($item['plink']);
791 } elseif (isset($item['uri'])) {
792 $item['plink'] = OStatus::convertHref($item['uri']);
796 if (!empty($item['thr-parent'])) {
797 $item['parent-uri'] = $item['thr-parent'];
800 if (x($item, 'gravity')) {
801 $item['gravity'] = intval($item['gravity']);
802 } elseif ($item['parent-uri'] === $item['uri']) {
803 $item['gravity'] = 0;
804 } elseif (activity_match($item['verb'],ACTIVITY_POST)) {
805 $item['gravity'] = 6;
807 $item['gravity'] = 6; // extensible catchall
810 $item['type'] = defaults($item, 'type', 'remote');
812 $uid = intval($item['uid']);
814 // check for create date and expire time
815 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
817 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
818 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
819 $expire_interval = $user['expire'];
822 if (($expire_interval > 0) && !empty($item['created'])) {
823 $expire_date = time() - ($expire_interval * 86400);
824 $created_date = strtotime($item['created']);
825 if ($created_date < $expire_date) {
826 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
832 * Do we already have this item?
833 * We have to check several networks since Friendica posts could be repeated
834 * via OStatus (maybe Diasporsa as well)
836 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
837 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
838 trim($item['uri']), $item['uid'],
839 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
840 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
841 if (DBM::is_result($existing)) {
842 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
844 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
847 return $existing["id"];
851 self::addLanguageInPostopts($item);
853 $item['wall'] = intval(defaults($item, 'wall', 0));
854 $item['extid'] = trim(defaults($item, 'extid', ''));
855 $item['author-name'] = trim(defaults($item, 'author-name', ''));
856 $item['author-link'] = trim(defaults($item, 'author-link', ''));
857 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
858 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
859 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
860 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
861 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
862 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
863 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
864 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
865 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
866 $item['title'] = trim(defaults($item, 'title', ''));
867 $item['location'] = trim(defaults($item, 'location', ''));
868 $item['coord'] = trim(defaults($item, 'coord', ''));
869 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
870 $item['deleted'] = 0;
871 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
872 $item['verb'] = trim(defaults($item, 'verb', ''));
873 $item['object-type'] = trim(defaults($item, 'object-type', ''));
874 $item['object'] = trim(defaults($item, 'object', ''));
875 $item['target-type'] = trim(defaults($item, 'target-type', ''));
876 $item['target'] = trim(defaults($item, 'target', ''));
877 $item['plink'] = trim(defaults($item, 'plink', ''));
878 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
879 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
880 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
881 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
882 $item['private'] = intval(defaults($item, 'private', 0));
883 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
884 $item['body'] = trim(defaults($item, 'body', ''));
885 $item['tag'] = trim(defaults($item, 'tag', ''));
886 $item['attach'] = trim(defaults($item, 'attach', ''));
887 $item['app'] = trim(defaults($item, 'app', ''));
888 $item['origin'] = intval(defaults($item, 'origin', 0));
889 $item['postopts'] = trim(defaults($item, 'postopts', ''));
890 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
891 $item['event-id'] = intval(defaults($item, 'event-id', 0));
892 $item['inform'] = trim(defaults($item, 'inform', ''));
893 $item['file'] = trim(defaults($item, 'file', ''));
895 // When there is no content then we don't post it
896 if ($item['body'].$item['title'] == '') {
900 // Items cannot be stored before they happen ...
901 if ($item['created'] > DateTimeFormat::utcNow()) {
902 $item['created'] = DateTimeFormat::utcNow();
905 // We haven't invented time travel by now.
906 if ($item['edited'] > DateTimeFormat::utcNow()) {
907 $item['edited'] = DateTimeFormat::utcNow();
910 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
911 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
914 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
916 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
917 $item["contact-id"] = self::contactId($item);
919 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
920 'photo' => $item['author-avatar'], 'network' => $item['network']];
922 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
924 if (Contact::isBlocked($item["author-id"])) {
925 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
929 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
930 'photo' => $item['owner-avatar'], 'network' => $item['network']];
932 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
934 if (Contact::isBlocked($item["owner-id"])) {
935 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
939 //unset($item['author-link']);
940 unset($item['author-name']);
941 unset($item['author-avatar']);
943 //unset($item['owner-link']);
944 unset($item['owner-name']);
945 unset($item['owner-avatar']);
947 if ($item['network'] == NETWORK_PHANTOM) {
948 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
950 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
951 if (!empty($contact['network'])) {
952 $item['network'] = $contact["network"];
954 $item['network'] = NETWORK_DFRN;
956 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
959 // Checking if there is already an item with the same guid
960 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
961 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
962 if (dba::exists('item', $condition)) {
963 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
967 // Check for hashtags in the body and repair or add hashtag links
968 self::setHashtags($item);
970 $item['thr-parent'] = $item['parent-uri'];
978 if ($item['parent-uri'] === $item['uri']) {
981 $allow_cid = $item['allow_cid'];
982 $allow_gid = $item['allow_gid'];
983 $deny_cid = $item['deny_cid'];
984 $deny_gid = $item['deny_gid'];
985 $notify_type = 'wall-new';
987 // find the parent and snarf the item id and ACLs
988 // and anything else we need to inherit
990 $fields = ['uri', 'parent-uri', 'id', 'deleted',
991 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
992 'wall', 'private', 'forum_mode', 'origin'];
993 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
994 $params = ['order' => ['id' => false]];
995 $parent = dba::selectFirst('item', $fields, $condition, $params);
997 if (DBM::is_result($parent)) {
998 // is the new message multi-level threaded?
999 // even though we don't support it now, preserve the info
1000 // and re-attach to the conversation parent.
1002 if ($parent['uri'] != $parent['parent-uri']) {
1003 $item['parent-uri'] = $parent['parent-uri'];
1005 $condition = ['uri' => $item['parent-uri'],
1006 'parent-uri' => $item['parent-uri'],
1007 'uid' => $item['uid']];
1008 $params = ['order' => ['id' => false]];
1009 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1011 if (DBM::is_result($toplevel_parent)) {
1012 $parent = $toplevel_parent;
1016 $parent_id = $parent['id'];
1017 $parent_deleted = $parent['deleted'];
1018 $allow_cid = $parent['allow_cid'];
1019 $allow_gid = $parent['allow_gid'];
1020 $deny_cid = $parent['deny_cid'];
1021 $deny_gid = $parent['deny_gid'];
1022 $item['wall'] = $parent['wall'];
1023 $notify_type = 'comment-new';
1026 * If the parent is private, force privacy for the entire conversation
1027 * This differs from the above settings as it subtly allows comments from
1028 * email correspondents to be private even if the overall thread is not.
1030 if ($parent['private']) {
1031 $item['private'] = $parent['private'];
1035 * Edge case. We host a public forum that was originally posted to privately.
1036 * The original author commented, but as this is a comment, the permissions
1037 * weren't fixed up so it will still show the comment as private unless we fix it here.
1039 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1040 $item['private'] = 0;
1043 // If its a post from myself then tag the thread as "mention"
1044 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1045 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1046 if (DBM::is_result($user)) {
1047 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1048 logger("'myself' is ".$self." for parent ".$parent_id." checking against ".$item['author-link']." and ".$item['owner-link'], LOGGER_DEBUG);
1049 if ((normalise_link($item['author-link']) == $self) || (normalise_link($item['owner-link']) == $self)) {
1050 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1051 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1056 * Allow one to see reply tweets from status.net even when
1057 * we don't have or can't see the original post.
1059 if ($force_parent) {
1060 logger('$force_parent=true, reply converted to top-level post.');
1062 $item['parent-uri'] = $item['uri'];
1063 $item['gravity'] = 0;
1065 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1069 $parent_deleted = 0;
1073 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1074 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1075 if (dba::exists('item', $condition)) {
1076 logger('duplicated item with the same uri found. '.print_r($item,true));
1080 // On Friendica and Diaspora the GUID is unique
1081 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1082 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1083 if (dba::exists('item', $condition)) {
1084 logger('duplicated item with the same guid found. '.print_r($item,true));
1088 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1089 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1090 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1091 if (dba::exists('item', $condition)) {
1092 logger('duplicated item with the same body found. '.print_r($item,true));
1097 // Is this item available in the global items (with uid=0)?
1098 if ($item["uid"] == 0) {
1099 $item["global"] = true;
1101 // Set the global flag on all items if this was a global item entry
1102 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1104 $item["global"] = dba::exists('item', ['uid' => 0, 'uri' => $item["uri"]]);
1108 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1111 $private = $item['private'];
1114 $item["allow_cid"] = $allow_cid;
1115 $item["allow_gid"] = $allow_gid;
1116 $item["deny_cid"] = $deny_cid;
1117 $item["deny_gid"] = $deny_gid;
1118 $item["private"] = $private;
1119 $item["deleted"] = $parent_deleted;
1121 // Fill the cache field
1122 put_item_in_cache($item);
1125 Addon::callHooks('post_local', $item);
1127 Addon::callHooks('post_remote', $item);
1130 // This array field is used to trigger some automatic reactions
1131 // It is mainly used in the "post_local" hook.
1132 unset($item['api_source']);
1134 if (x($item, 'cancel')) {
1135 logger('post cancelled by addon.');
1140 * Check for already added items.
1141 * There is a timing issue here that sometimes creates double postings.
1142 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1144 if ($item["uid"] == 0) {
1145 if (dba::exists('item', ['uri' => trim($item['uri']), 'uid' => 0])) {
1146 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1151 logger('' . print_r($item,true), LOGGER_DATA);
1154 $ret = dba::insert('item', $item);
1156 // When the item was successfully stored we fetch the ID of the item.
1157 if (DBM::is_result($ret)) {
1158 $current_post = dba::lastInsertId();
1160 // This can happen - for example - if there are locking timeouts.
1163 // Store the data into a spool file so that we can try again later.
1165 // At first we restore the Diaspora signature that we removed above.
1166 if (isset($encoded_signature)) {
1167 $item['dsprsig'] = $encoded_signature;
1170 // Now we store the data in the spool directory
1171 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1172 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1174 $spoolpath = get_spoolpath();
1175 if ($spoolpath != "") {
1176 $spool = $spoolpath.'/'.$file;
1177 file_put_contents($spool, json_encode($item));
1178 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1183 if ($current_post == 0) {
1184 // This is one of these error messages that never should occur.
1185 logger("couldn't find created item - we better quit now.");
1190 // How much entries have we created?
1191 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1192 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1195 // There are duplicates. We delete our just created entry.
1196 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1198 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1199 dba::delete('item', ['id' => $current_post]);
1202 } elseif ($entries == 0) {
1203 // This really should never happen since we quit earlier if there were problems.
1204 logger("Something is terribly wrong. We haven't found our created entry.");
1209 logger('created item '.$current_post);
1210 self::updateContact($item);
1212 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1213 $parent_id = $current_post;
1217 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1219 $item['id'] = $current_post;
1220 $item['parent'] = $parent_id;
1222 // update the commented timestamp on the parent
1223 // Only update "commented" if it is really a comment
1224 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1225 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1227 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1232 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1233 * We can check for this condition when we decode and encode the stuff again.
1235 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1236 $dsprsig->signature = base64_decode($dsprsig->signature);
1237 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1240 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1241 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1244 if (!empty($diaspora_signed_text)) {
1245 // Formerly we stored the signed text, the signature and the author in different fields.
1246 // We now store the raw data so that we are more flexible.
1247 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1250 $deleted = self::tagDeliver($item['uid'], $current_post);
1253 * current post can be deleted if is for a community page and no mention are
1256 if (!$deleted && !$dontcache) {
1257 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1258 if (DBM::is_result($posted_item)) {
1260 Addon::callHooks('post_local_end', $posted_item);
1262 Addon::callHooks('post_remote_end', $posted_item);
1265 logger('new item not found in DB, id ' . $current_post);
1269 if ($item['parent-uri'] === $item['uri']) {
1270 self::addThread($current_post);
1272 self::updateThread($parent_id);
1278 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1279 * This is not perfect - but a workable solution until we found the reason for the problem.
1281 Term::insertFromTagFieldByItemId($current_post);
1282 Term::insertFromFileFieldByItemId($current_post);
1284 if ($item['parent-uri'] === $item['uri']) {
1285 self::addShadow($current_post);
1287 self::addShadowPost($current_post);
1290 check_user_notification($current_post);
1293 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1294 } elseif (!empty($parent) && $parent['origin']) {
1295 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1298 return $current_post;
1302 * @brief Distributes public items to the receivers
1304 * @param integer $itemid Item ID that should be added
1305 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1307 public static function distribute($itemid, $signed_text = '')
1309 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1310 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1311 if (!DBM::is_result($parent)) {
1315 // Only distribute public items from native networks
1316 $condition = ['id' => $itemid, 'uid' => 0,
1317 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1318 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1319 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1320 if (!DBM::is_result($item)) {
1325 unset($item['parent']);
1326 unset($item['mention']);
1327 unset($item['wall']);
1328 unset($item['origin']);
1329 unset($item['starred']);
1330 unset($item['rendered-hash']);
1331 unset($item['rendered-html']);
1335 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1336 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1337 $contacts = dba::select('contact', ['uid'], $condition);
1338 while ($contact = dba::fetch($contacts)) {
1339 $users[$contact['uid']] = $contact['uid'];
1344 if ($item['uri'] != $item['parent-uri']) {
1345 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1346 while ($parent = dba::fetch($parents)) {
1347 $users[$parent['uid']] = $parent['uid'];
1348 if ($parent['origin'] && !$item['origin']) {
1349 $origin_uid = $parent['uid'];
1354 foreach ($users as $uid) {
1355 if ($origin_uid == $uid) {
1356 $item['diaspora_signed_text'] = $signed_text;
1358 self::storeForUser($itemid, $item, $uid);
1363 * @brief Store public items for the receivers
1365 * @param integer $itemid Item ID that should be added
1366 * @param array $item The item entry that will be stored
1367 * @param integer $uid The user that will receive the item entry
1369 private static function storeForUser($itemid, $item, $uid)
1371 $item['uid'] = $uid;
1372 $item['origin'] = 0;
1374 if ($item['uri'] == $item['parent-uri']) {
1375 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1377 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1380 if (empty($item['contact-id'])) {
1381 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1382 if (!DBM::is_result($self)) {
1385 $item['contact-id'] = $self['id'];
1388 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1389 $item['type'] = 'remote-comment';
1390 } elseif ($item['type'] == 'wall') {
1391 $item['type'] = 'remote';
1394 /// @todo Handling of "event-id"
1397 if ($item['uri'] == $item['parent-uri']) {
1398 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1399 if (DBM::is_result($contact)) {
1400 $notify = self::isRemoteSelf($contact, $item);
1404 $distributed = self::insert($item, false, $notify, true);
1406 if (!$distributed) {
1407 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1409 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1414 * @brief Add a shadow entry for a given item id that is a thread starter
1416 * We store every public item entry additionally with the user id "0".
1417 * This is used for the community page and for the search.
1418 * It is planned that in the future we will store public item entries only once.
1420 * @param integer $itemid Item ID that should be added
1422 public static function addShadow($itemid)
1424 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1425 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1426 $item = dba::selectFirst('item', $fields, $condition);
1428 if (!DBM::is_result($item)) {
1432 // is it already a copy?
1433 if (($itemid == 0) || ($item['uid'] == 0)) {
1437 // Is it a visible public post?
1438 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1442 // is it an entry from a connector? Only add an entry for natively connected networks
1443 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1447 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1449 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1450 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1452 if (!dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1453 // Preparing public shadow (removing user specific data)
1456 unset($item['parent']);
1457 unset($item['wall']);
1458 unset($item['mention']);
1459 unset($item['origin']);
1460 unset($item['starred']);
1461 unset($item['rendered-hash']);
1462 unset($item['rendered-html']);
1463 if ($item['uri'] == $item['parent-uri']) {
1464 $item['contact-id'] = Contact::getIdForURL($item['owner-link']);
1466 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
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 $public_shadow = self::insert($item, false, false, true);
1477 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1483 * @brief Add a shadow entry for a given item id that is a comment
1485 * This function does the same like the function above - but for comments
1487 * @param integer $itemid Item ID that should be added
1489 public static function addShadowPost($itemid)
1491 $item = dba::selectFirst('item', [], ['id' => $itemid]);
1492 if (!DBM::is_result($item)) {
1496 // Is it a toplevel post?
1497 if ($item['id'] == $item['parent']) {
1498 self::addShadow($itemid);
1502 // Is this a shadow entry?
1503 if ($item['uid'] == 0) {
1507 // Is there a shadow parent?
1508 if (!dba::exists('item', ['uri' => $item['parent-uri'], 'uid' => 0])) {
1512 // Is there already a shadow entry?
1513 if (dba::exists('item', ['uri' => $item['uri'], 'uid' => 0])) {
1517 // Save "origin" and "parent" state
1518 $origin = $item['origin'];
1519 $parent = $item['parent'];
1521 // Preparing public shadow (removing user specific data)
1524 unset($item['parent']);
1525 unset($item['wall']);
1526 unset($item['mention']);
1527 unset($item['origin']);
1528 unset($item['starred']);
1529 unset($item['rendered-hash']);
1530 unset($item['rendered-html']);
1531 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1533 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1534 $item['type'] = 'remote-comment';
1535 } elseif ($item['type'] == 'wall') {
1536 $item['type'] = 'remote';
1539 $public_shadow = self::insert($item, false, false, true);
1541 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1543 // If this was a comment to a Diaspora post we don't get our comment back.
1544 // This means that we have to distribute the comment by ourselves.
1545 if ($origin && dba::exists('item', ['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1546 self::distribute($public_shadow);
1551 * Adds a "lang" specification in a "postopts" element of given $arr,
1552 * if possible and not already present.
1553 * Expects "body" element to exist in $arr.
1555 private static function addLanguageInPostopts(&$item)
1559 if (!empty($item['postopts'])) {
1560 if (strstr($item['postopts'], 'lang=')) {
1564 $postopts = $item['postopts'];
1567 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1569 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1571 if (sizeof($languages) > 0) {
1572 if ($postopts != '') {
1573 $postopts .= '&'; // arbitrary separator, to be reviewed
1576 $postopts .= 'lang=';
1579 foreach ($languages as $language => $score) {
1580 $postopts .= $sep . $language . ";" . $score;
1583 $item['postopts'] = $postopts;
1588 * @brief Creates an unique guid out of a given uri
1590 * @param string $uri uri of an item entry
1591 * @param string $host hostname for the GUID prefix
1592 * @return string unique guid
1594 public static function guidFromUri($uri, $host)
1596 // Our regular guid routine is using this kind of prefix as well
1597 // We have to avoid that different routines could accidentally create the same value
1598 $parsed = parse_url($uri);
1600 // We use a hash of the hostname as prefix for the guid
1601 $guid_prefix = hash("crc32", $host);
1603 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1604 unset($parsed["scheme"]);
1606 // Glue it together to be able to make a hash from it
1607 $host_id = implode("/", $parsed);
1609 // We could use any hash algorithm since it isn't a security issue
1610 $host_hash = hash("ripemd128", $host_id);
1612 return $guid_prefix.$host_hash;
1616 * generate an unique URI
1618 * @param integer $uid User id
1619 * @param string $guid An existing GUID (Otherwise it will be generated)
1623 public static function newURI($uid, $guid = "")
1626 $guid = get_guid(32);
1629 $hostname = self::getApp()->get_hostname();
1631 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1633 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1639 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1641 * This can be used to filter for inactive contacts.
1642 * Only do this for public postings to avoid privacy problems, since poco data is public.
1643 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1645 * @param array $arr Contains the just posted item record
1647 private static function updateContact($arr)
1649 // Unarchive the author
1650 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1651 if (DBM::is_result($contact)) {
1652 Contact::unmarkForArchival($contact);
1655 // Unarchive the contact if it's not our own contact
1656 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1657 if (DBM::is_result($contact)) {
1658 Contact::unmarkForArchival($contact);
1661 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1663 // Is it a forum? Then we don't care about the rules from above
1664 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1665 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1671 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1672 ['id' => $arr['contact-id']]);
1674 // Now do the same for the system wide contacts with uid=0
1675 if (!$arr['private']) {
1676 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1677 ['id' => $arr['owner-id']]);
1679 if ($arr['owner-id'] != $arr['author-id']) {
1680 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1681 ['id' => $arr['author-id']]);
1686 public static function setHashtags(&$item)
1689 $tags = get_tags($item["body"]);
1692 if (!count($tags)) {
1696 // This sorting is important when there are hashtags that are part of other hashtags
1697 // Otherwise there could be problems with hashtags like #test and #test2
1700 $URLSearchString = "^\[\]";
1702 // All hashtags should point to the home server if "local_tags" is activated
1703 if (Config::get('system', 'local_tags')) {
1704 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1705 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1707 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1708 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1711 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1712 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1714 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1717 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1719 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1722 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1724 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1727 // Repair recursive urls
1728 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1729 "#$2", $item["body"]);
1731 foreach ($tags as $tag) {
1732 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1736 $basetag = str_replace('_',' ',substr($tag,1));
1738 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1740 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1742 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1743 if (strlen($item["tag"])) {
1744 $item["tag"] = ','.$item["tag"];
1746 $item["tag"] = $newtag.$item["tag"];
1750 // Convert back the masked hashtags
1751 $item["body"] = str_replace("#", "#", $item["body"]);
1754 public static function getGuidById($id)
1756 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1757 if (DBM::is_result($item)) {
1758 return $item['guid'];
1764 public static function getIdAndNickByGuid($guid, $uid = 0)
1770 $uid == local_user();
1773 // Does the given user have this item?
1775 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1776 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1777 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1778 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
1779 if (DBM::is_result($item)) {
1781 $nick = $item["nickname"];
1785 // Or is it anywhere on the server?
1787 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
1788 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
1789 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
1790 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
1791 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
1792 AND NOT `item`.`private` AND `item`.`wall`
1793 AND `item`.`guid` = ?", $guid);
1794 if (DBM::is_result($item)) {
1796 $nick = $item["nickname"];
1799 return ["nick" => $nick, "id" => $id];
1803 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
1805 * @param int $item_id
1806 * @return bool true if item was deleted, else false
1808 private static function tagDeliver($uid, $item_id)
1812 $user = dba::selectFirst('user', [], ['uid' => $uid]);
1813 if (!DBM::is_result($user)) {
1817 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
1818 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
1820 $item = dba::selectFirst('item', [], ['id' => $item_id]);
1821 if (!DBM::is_result($item)) {
1825 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1828 * Diaspora uses their own hardwired link URL in @-tags
1829 * instead of the one we supply with webfinger
1831 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
1833 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
1835 foreach ($matches as $mtch) {
1836 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
1838 logger('mention found: ' . $mtch[2]);
1844 if (($community_page || $prvgroup) &&
1845 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
1846 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
1848 logger("no-mention top-level post to community or private group. delete.");
1849 dba::delete('item', ['id' => $item_id]);
1855 $arr = ['item' => $item, 'user' => $user];
1857 Addon::callHooks('tagged', $arr);
1859 if (!$community_page && !$prvgroup) {
1864 * tgroup delivery - setup a second delivery chain
1865 * prevent delivery looping - only proceed
1866 * if the message originated elsewhere and is a top-level post
1868 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
1872 // now change this copy of the post to a forum head message and deliver to all the tgroup members
1873 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
1874 if (!DBM::is_result($self)) {
1878 $owner_id = Contact::getIdForURL($self['url']);
1880 // also reset all the privacy bits to the forum default permissions
1882 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
1884 $forum_mode = ($prvgroup ? 2 : 1);
1886 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
1887 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
1888 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
1889 dba::update('item', $fields, ['id' => $item_id]);
1891 self::updateThread($item_id);
1893 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
1896 public static function isRemoteSelf($contact, &$datarray)
1900 if (!$contact['remote_self']) {
1904 // Prevent the forwarding of posts that are forwarded
1905 if ($datarray["extid"] == NETWORK_DFRN) {
1906 logger('Already forwarded', LOGGER_DEBUG);
1910 // Prevent to forward already forwarded posts
1911 if ($datarray["app"] == $a->get_hostname()) {
1912 logger('Already forwarded (second test)', LOGGER_DEBUG);
1916 // Only forward posts
1917 if ($datarray["verb"] != ACTIVITY_POST) {
1918 logger('No post', LOGGER_DEBUG);
1922 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
1923 logger('Not public', LOGGER_DEBUG);
1927 $datarray2 = $datarray;
1928 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
1929 if ($contact['remote_self'] == 2) {
1930 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
1931 ['uid' => $contact['uid'], 'self' => true]);
1932 if (DBM::is_result($self)) {
1933 $datarray['contact-id'] = $self["id"];
1935 $datarray['owner-name'] = $self["name"];
1936 $datarray['owner-link'] = $self["url"];
1937 $datarray['owner-avatar'] = $self["thumb"];
1939 $datarray['author-name'] = $datarray['owner-name'];
1940 $datarray['author-link'] = $datarray['owner-link'];
1941 $datarray['author-avatar'] = $datarray['owner-avatar'];
1943 unset($datarray['created']);
1944 unset($datarray['edited']);
1946 unset($datarray['network']);
1947 unset($datarray['owner-id']);
1948 unset($datarray['author-id']);
1951 if ($contact['network'] != NETWORK_FEED) {
1952 $datarray["guid"] = get_guid(32);
1953 unset($datarray["plink"]);
1954 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
1955 $datarray["parent-uri"] = $datarray["uri"];
1956 $datarray["thr-parent"] = $datarray["uri"];
1957 $datarray["extid"] = NETWORK_DFRN;
1958 $urlpart = parse_url($datarray2['author-link']);
1959 $datarray["app"] = $urlpart["host"];
1961 $datarray['private'] = 0;
1965 if ($contact['network'] != NETWORK_FEED) {
1966 // Store the original post
1967 $result = self::insert($datarray2, false, false);
1968 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
1970 $datarray["app"] = "Feed";
1974 // Trigger automatic reactions for addons
1975 $datarray['api_source'] = true;
1977 // We have to tell the hooks who we are - this really should be improved
1978 $_SESSION["authenticated"] = true;
1979 $_SESSION["uid"] = $contact['uid'];
1988 * @param array $item
1992 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
1994 if (Config::get('system', 'disable_embedded')) {
1998 logger('check for photos', LOGGER_DEBUG);
1999 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2004 $img_start = strpos($orig_body, '[img');
2005 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2006 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2008 while (($img_st_close !== false) && ($img_len !== false)) {
2009 $img_st_close++; // make it point to AFTER the closing bracket
2010 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2012 logger('found photo ' . $image, LOGGER_DEBUG);
2014 if (stristr($image, $site . '/photo/')) {
2015 // Only embed locally hosted photos
2017 $i = basename($image);
2018 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2019 $x = strpos($i, '-');
2022 $res = substr($i, $x + 1);
2023 $i = substr($i, 0, $x);
2024 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2025 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2026 if (DBM::is_result($photo)) {
2028 * Check to see if we should replace this photo link with an embedded image
2029 * 1. No need to do so if the photo is public
2030 * 2. If there's a contact-id provided, see if they're in the access list
2031 * for the photo. If so, embed it.
2032 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2033 * permissions, regardless of order but first check to see if they're an exact
2034 * match to save some processing overhead.
2036 if (self::hasPermissions($photo)) {
2038 $recips = self::enumeratePermissions($photo);
2039 if (in_array($cid, $recips)) {
2043 if (self::samePermissions($item, $photo)) {
2049 $data = $photo['data'];
2050 $type = $photo['type'];
2052 // If a custom width and height were specified, apply before embedding
2053 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2054 logger('scaling photo', LOGGER_DEBUG);
2056 $width = intval($match[1]);
2057 $height = intval($match[2]);
2059 $Image = new Image($data, $type);
2060 if ($Image->isValid()) {
2061 $Image->scaleDown(max($width, $height));
2062 $data = $Image->asString();
2063 $type = $Image->getType();
2067 logger('replacing photo', LOGGER_DEBUG);
2068 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2069 logger('replaced: ' . $image, LOGGER_DATA);
2075 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2076 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2077 if ($orig_body === false) {
2081 $img_start = strpos($orig_body, '[img');
2082 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2083 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2086 $new_body = $new_body . $orig_body;
2091 private static function hasPermissions($obj)
2095 x($obj, 'allow_cid')
2097 x($obj, 'allow_gid')
2106 private static function samePermissions($obj1, $obj2)
2108 // first part is easy. Check that these are exactly the same.
2109 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2110 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2111 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2112 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2116 // This is harder. Parse all the permissions and compare the resulting set.
2117 $recipients1 = self::enumeratePermissions($obj1);
2118 $recipients2 = self::enumeratePermissions($obj2);
2122 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2123 return ($recipients1 == $recipients2);
2126 // returns an array of contact-ids that are allowed to see this object
2127 private static function enumeratePermissions($obj)
2129 $allow_people = expand_acl($obj['allow_cid']);
2130 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2131 $deny_people = expand_acl($obj['deny_cid']);
2132 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2133 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2134 $deny = array_unique(array_merge($deny_people, $deny_groups));
2135 $recipients = array_diff($recipients, $deny);
2139 public static function getFeedTags($item)
2143 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2145 for ($x = 0; $x < $cnt; $x ++) {
2146 if ($matches[1][$x]) {
2147 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2152 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2154 for ($x = 0; $x < $cnt; $x ++) {
2155 if ($matches[1][$x]) {
2156 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2163 public static function expire($uid, $days, $network = "", $force = false)
2165 if (!$uid || ($days < 1)) {
2170 * $expire_network_only = save your own wall posts
2171 * and just expire conversations started by others
2173 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2174 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2176 if ($network != "") {
2177 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2180 * There is an index "uid_network_received" but not "uid_network_created"
2181 * This avoids the creation of another index just for one purpose.
2182 * And it doesn't really matter wether to look at "received" or "created"
2184 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2186 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2189 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2190 WHERE `uid` = %d $range
2198 if (!DBM::is_result($r)) {
2202 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2204 // Forcing expiring of items - but not notes and marked items
2206 $expire_items = true;
2209 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2210 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2211 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2213 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2215 foreach ($r as $item) {
2217 // don't expire filed items
2219 if (strpos($item['file'],'[') !== false) {
2223 // Only expire posts, not photos and photo comments
2225 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2227 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2229 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2231 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2235 self::deleteById($item['id'], PRIORITY_LOW);
2239 public static function firstPostDate($uid, $wall = false)
2241 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2242 $params = ['order' => ['created' => false]];
2243 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2244 if (DBM::is_result($thread)) {
2245 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2251 * @brief add/remove activity to an item
2253 * Toggle activities as like,dislike,attend of an item
2255 * @param string $item_id
2256 * @param string $verb
2257 * Activity verb. One of
2258 * like, unlike, dislike, undislike, attendyes, unattendyes,
2259 * attendno, unattendno, attendmaybe, unattendmaybe
2260 * @hook 'post_local_end'
2262 * 'post_id' => ID of posted item
2264 public static function performLike($item_id, $verb)
2266 if (!local_user() && !remote_user()) {
2273 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2274 $activity = ACTIVITY_LIKE;
2278 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2279 $activity = ACTIVITY_DISLIKE;
2283 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2284 $activity = ACTIVITY_ATTEND;
2288 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2289 $activity = ACTIVITY_ATTENDNO;
2292 case 'unattendmaybe':
2293 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2294 $activity = ACTIVITY_ATTENDMAYBE;
2297 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2301 // Enable activity toggling instead of on/off
2302 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2304 logger('like: verb ' . $verb . ' item ' . $item_id);
2306 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2307 if (!DBM::is_result($item)) {
2308 logger('like: unknown item ' . $item_id);
2312 $uid = $item['uid'];
2313 if (($uid == 0) && local_user()) {
2314 $uid = local_user();
2317 if (!can_write_wall($uid)) {
2318 logger('like: unable to write on wall ' . $uid);
2322 // Retrieves the local post owner
2323 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2324 if (!DBM::is_result($owner_self_contact)) {
2325 logger('like: unknown owner ' . $uid);
2329 // Retrieve the current logged in user's public contact
2330 $author_id = public_contact();
2332 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2333 if (!DBM::is_result($author_contact)) {
2334 logger('like: unknown author ' . $author_id);
2338 // Contact-id is the uid-dependant author contact
2339 if (local_user() == $uid) {
2340 $item_contact_id = $owner_self_contact['id'];
2341 $item_contact = $owner_self_contact;
2343 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2344 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2345 if (!DBM::is_result($item_contact)) {
2346 logger('like: unknown item contact ' . $item_contact_id);
2351 // Look for an existing verb row
2352 // event participation are essentially radio toggles. If you make a subsequent choice,
2353 // we need to eradicate your first choice.
2354 if ($event_verb_flag) {
2355 $verbs = "'" . dbesc(ACTIVITY_ATTEND) . "', '" . dbesc(ACTIVITY_ATTENDNO) . "', '" . dbesc(ACTIVITY_ATTENDMAYBE) . "'";
2357 $verbs = "'".dbesc($activity)."'";
2360 /// @todo This query is expected to be a performance eater due to the "OR" - it has to be changed totally
2361 $existing_like = q("SELECT `id`, `guid`, `verb` FROM `item`
2362 WHERE `verb` IN ($verbs)
2364 AND `author-id` = %d
2366 AND (`parent` = '%s' OR `parent-uri` = '%s' OR `thr-parent` = '%s')
2368 intval($author_contact['id']),
2369 intval($item['uid']),
2370 dbesc($item_id), dbesc($item_id), dbesc($item['uri'])
2373 // If it exists, mark it as deleted
2374 if (DBM::is_result($existing_like)) {
2375 $like_item = $existing_like[0];
2377 // Already voted, undo it
2378 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2379 dba::update('item', $fields, ['id' => $like_item['id']]);
2381 // Clean up the Diaspora signatures for this like
2382 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2383 // if it had been enabled in the past
2384 dba::delete('sign', ['iid' => $like_item['id']]);
2386 $like_item_id = $like_item['id'];
2387 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2389 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2394 // Verb is "un-something", just trying to delete existing entries
2395 if (strpos($verb, 'un') === 0) {
2399 // Else or if event verb different from existing row, create a new item row
2400 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2401 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2402 $post_type = L10n::t('event');
2404 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2405 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2406 $body = $item['body'];
2411 <type>$objtype</type>
2413 <id>{$item['uri']}</id>
2416 <content>$body</content>
2420 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2421 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2422 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2425 'guid' => get_guid(32),
2426 'uri' => self::newURI($item['uid']),
2427 'uid' => $item['uid'],
2428 'contact-id' => $item_contact_id,
2429 'type' => 'activity',
2430 'wall' => $item['wall'],
2432 'gravity' => GRAVITY_LIKE,
2433 'parent' => $item['id'],
2434 'parent-uri' => $item['uri'],
2435 'thr-parent' => $item['uri'],
2436 'owner-id' => $item['owner-id'],
2437 'owner-name' => $item['owner-name'],
2438 'owner-link' => $item['owner-link'],
2439 'owner-avatar' => $item['owner-avatar'],
2440 'author-id' => $author_contact['id'],
2441 'author-name' => $author_contact['name'],
2442 'author-link' => $author_contact['url'],
2443 'author-avatar' => $author_contact['thumb'],
2444 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2445 'verb' => $activity,
2446 'object-type' => $objtype,
2448 'allow_cid' => $item['allow_cid'],
2449 'allow_gid' => $item['allow_gid'],
2450 'deny_cid' => $item['deny_cid'],
2451 'deny_gid' => $item['deny_gid'],
2456 $new_item_id = self::insert($new_item);
2458 // If the parent item isn't visible then set it to visible
2459 if (!$item['visible']) {
2460 self::update(['visible' => true], ['id' => $item['id']]);
2463 // Save the author information for the like in case we need to relay to Diaspora
2464 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2466 $new_item['id'] = $new_item_id;
2468 Addon::callHooks('post_local_end', $new_item);
2470 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2475 private static function addThread($itemid, $onlyshadow = false)
2477 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2478 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2479 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2480 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2481 $item = dba::selectFirst('item', $fields, $condition);
2483 if (!DBM::is_result($item)) {
2487 $item['iid'] = $itemid;
2490 $result = dba::insert('thread', $item);
2492 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2496 private static function updateThread($itemid, $setmention = false)
2498 $fields = ['uid', 'guid', 'title', 'body', 'created', 'edited', 'commented', 'received', 'changed',
2499 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2500 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id', 'rendered-html', 'rendered-hash'];
2501 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2503 $item = dba::selectFirst('item', $fields, $condition);
2504 if (!DBM::is_result($item)) {
2509 $item["mention"] = 1;
2516 foreach ($item as $field => $data) {
2517 if (!in_array($field, ["guid", "title", "body", "rendered-html", "rendered-hash"])) {
2518 $fields[$field] = $data;
2522 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2524 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2526 // Updating a shadow item entry
2527 $items = dba::selectFirst('item', ['id'], ['guid' => $item['guid'], 'uid' => 0]);
2529 if (!DBM::is_result($items)) {
2533 $fields = ['title' => $item['title'], 'body' => $item['body'],
2534 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']];
2535 $result = dba::update('item', $fields, ['id' => $items['id']]);
2537 logger("Updating public shadow for post ".$items["id"]." - guid ".$item["guid"]." Result: ".print_r($result, true), LOGGER_DEBUG);
2540 private static function deleteThread($itemid, $itemuri = "")
2542 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2543 if (!DBM::is_result($item)) {
2544 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2548 // Using dba::delete at this time could delete the associated item entries
2549 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2551 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2553 if ($itemuri != "") {
2554 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2555 if (!dba::exists('item', $condition)) {
2556 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2557 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);