4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\L10n;
14 use Friendica\Core\PConfig;
15 use Friendica\Core\System;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Contact;
19 use Friendica\Model\Conversation;
20 use Friendica\Model\Group;
21 use Friendica\Model\Term;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\XML;
27 use Friendica\Util\Lock;
29 use Text_LanguageDetect;
31 require_once 'boot.php';
32 require_once 'include/items.php';
33 require_once 'include/text.php';
35 class Item extends BaseObject
37 // Field list that is used to display the items
38 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
39 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
40 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach', 'language',
41 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
42 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
43 'author-id', 'author-link', 'author-name', 'author-avatar',
44 'owner-id', 'owner-link', 'owner-name', 'owner-avatar',
45 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
46 'writable', 'self', 'cid', 'alias',
47 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
48 'event-summary', 'event-desc', 'event-location', 'event-type',
49 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
51 // Field list that is used to deliver items via the protocols
52 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
53 'created', 'edited', 'verb', 'object-type', 'object', 'target',
54 'private', 'title', 'body', 'location', 'coord', 'app',
55 'attach', 'tag', 'bookmark', 'deleted', 'extid',
56 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
57 'author-id', 'author-link', 'owner-link', 'contact-uid',
58 'signed_text', 'signature', 'signer'];
60 // Field list for "item-content" table that is mixed with the item table
61 const MIXED_CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
62 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
63 'object-type', 'object', 'target-type', 'target', 'plink'];
65 // Field list for "item-content" table that is not present in the "item" table
66 const CONTENT_FIELDLIST = ['language'];
68 // All fields in the item table
69 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
70 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid',
71 'created', 'edited', 'commented', 'received', 'changed', 'verb',
72 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
73 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
74 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
75 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
76 'title', 'content-warning', 'body', 'location', 'coord', 'app',
77 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
78 'author-id', 'author-link', 'author-name', 'author-avatar',
79 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
82 * @brief Fetch a single item row
84 * @param mixed $stmt statement object
85 * @return array current row
87 public static function fetch($stmt)
89 $row = dba::fetch($stmt);
91 // Fetch data from the item-content table whenever there is content there
92 foreach (self::MIXED_CONTENT_FIELDLIST as $field) {
93 if (empty($row[$field]) && !empty($row['item-' . $field])) {
94 $row[$field] = $row['item-' . $field];
96 unset($row['item-' . $field]);
99 // We prefer the data from the user's contact over the public one
100 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
101 ($row['author-link'] == $row['contact-link'])) {
102 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
103 $row['author-avatar'] = $row['contact-avatar'];
105 if (isset($row['author-name']) && !empty($row['contact-name'])) {
106 $row['author-name'] = $row['contact-name'];
110 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
111 ($row['owner-link'] == $row['contact-link'])) {
112 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
113 $row['owner-avatar'] = $row['contact-avatar'];
115 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
116 $row['owner-name'] = $row['contact-name'];
120 // Build the tag string out of the term entries
121 if (isset($row['id']) && array_key_exists('tag', $row)) {
122 $row['tag'] = Term::tagTextFromItemId($row['id']);
125 /// @todo This is a preparation
126 // Build the file string out of the term entries
127 //if (isset($row['id']) && array_key_exists('file', $row)) {
128 // $row['file'] = Term::fileTextFromItemId($row['id']);
131 // We can always comment on posts from these networks
132 if (isset($row['writable']) && !empty($row['network']) &&
133 in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
134 $row['writable'] = true;
141 * @brief Fills an array with data from an item query
143 * @param object $stmt statement object
144 * @return array Data array
146 public static function inArray($stmt, $do_close = true) {
147 if (is_bool($stmt)) {
152 while ($row = self::fetch($stmt)) {
162 * @brief Check if item data exists
164 * @param array $condition array of fields for condition
166 * @return boolean Are there rows for that condition?
168 public static function exists($condition) {
169 $stmt = self::select(['id'], $condition, ['limit' => 1]);
171 if (is_bool($stmt)) {
174 $retval = (dba::num_rows($stmt) > 0);
183 * Retrieve a single record from the item table for a given user and returns it in an associative array
185 * @brief Retrieve a single record from a table
186 * @param integer $uid User ID
187 * @param array $fields
188 * @param array $condition
189 * @param array $params
193 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
195 $params['uid'] = $uid;
197 if (empty($selected)) {
198 $selected = Item::DISPLAY_FIELDLIST;
201 return self::selectFirst($selected, $condition, $params);
205 * @brief Select rows from the item table for a given user
207 * @param integer $uid User ID
208 * @param array $selected Array of selected fields, empty for all
209 * @param array $condition Array of fields for condition
210 * @param array $params Array of several parameters
212 * @return boolean|object
214 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
216 $params['uid'] = $uid;
218 if (empty($selected)) {
219 $selected = Item::DISPLAY_FIELDLIST;
222 return self::select($selected, $condition, $params);
226 * Retrieve a single record from the item table and returns it in an associative array
228 * @brief Retrieve a single record from a table
229 * @param array $fields
230 * @param array $condition
231 * @param array $params
235 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
237 $params['limit'] = 1;
239 $result = self::select($fields, $condition, $params);
241 if (is_bool($result)) {
244 $row = self::fetch($result);
251 * @brief Select rows from the item table
253 * @param array $selected Array of selected fields, empty for all
254 * @param array $condition Array of fields for condition
255 * @param array $params Array of several parameters
257 * @return boolean|object
259 public static function select(array $selected = [], array $condition = [], $params = [])
264 if (isset($params['uid'])) {
265 $uid = $params['uid'];
269 $fields = self::fieldlist($selected);
271 $select_fields = self::constructSelectFields($fields, $selected);
273 $condition_string = dba::buildCondition($condition);
275 $condition_string = self::addTablesToFields($condition_string, $fields);
278 $condition_string = $condition_string . ' AND ' . self::condition(false);
281 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
283 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
285 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
287 return dba::p($sql, $condition);
291 * @brief Select rows from the starting post in the item table
293 * @param integer $uid User ID
294 * @param array $fields Array of selected fields, empty for all
295 * @param array $condition Array of fields for condition
296 * @param array $params Array of several parameters
298 * @return boolean|object
300 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
302 $params['uid'] = $uid;
304 if (empty($selected)) {
305 $selected = Item::DISPLAY_FIELDLIST;
308 return self::selectThread($selected, $condition, $params);
312 * Retrieve a single record from the starting post in the item table and returns it in an associative array
314 * @brief Retrieve a single record from a table
315 * @param integer $uid User ID
316 * @param array $selected
317 * @param array $condition
318 * @param array $params
322 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
324 $params['uid'] = $uid;
326 if (empty($selected)) {
327 $selected = Item::DISPLAY_FIELDLIST;
330 return self::selectFirstThread($selected, $condition, $params);
334 * Retrieve a single record from the starting post in the item table and returns it in an associative array
336 * @brief Retrieve a single record from a table
337 * @param array $fields
338 * @param array $condition
339 * @param array $params
343 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
345 $params['limit'] = 1;
346 $result = self::selectThread($fields, $condition, $params);
348 if (is_bool($result)) {
351 $row = self::fetch($result);
358 * @brief Select rows from the starting post in the item table
360 * @param array $selected Array of selected fields, empty for all
361 * @param array $condition Array of fields for condition
362 * @param array $params Array of several parameters
364 * @return boolean|object
366 public static function selectThread(array $selected = [], array $condition = [], $params = [])
371 if (isset($params['uid'])) {
372 $uid = $params['uid'];
376 $fields = self::fieldlist($selected);
378 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
379 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
380 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
381 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
383 $select_fields = self::constructSelectFields($fields, $selected);
385 $condition_string = dba::buildCondition($condition);
387 $condition_string = self::addTablesToFields($condition_string, $threadfields);
388 $condition_string = self::addTablesToFields($condition_string, $fields);
391 $condition_string = $condition_string . ' AND ' . self::condition(true);
394 $param_string = dba::buildParameter($params);
395 $param_string = self::addTablesToFields($param_string, $threadfields);
396 $param_string = self::addTablesToFields($param_string, $fields);
398 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
400 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
402 return dba::p($sql, $condition);
406 * @brief Returns a list of fields that are associated with the item table
408 * @return array field list
410 private static function fieldlist($selected)
414 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
415 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
416 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
417 'resource-id', 'event-id', 'tag', 'attach', 'inform',
418 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
419 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
420 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
421 'id' => 'item_id', 'network', 'icid'];
423 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
425 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
426 'thumb' => 'author-avatar', 'nick' => 'author-nick'];
428 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
429 'thumb' => 'owner-avatar', 'nick' => 'owner-nick'];
431 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
432 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
433 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
435 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
437 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
439 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
440 'start' => 'event-start','finish' => 'event-finish',
441 'summary' => 'event-summary','desc' => 'event-desc',
442 'location' => 'event-location', 'type' => 'event-type',
443 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
444 'ignore' => 'event-ignore', 'id' => 'event-id'];
446 $fields['sign'] = ['signed_text', 'signature', 'signer'];
452 * @brief Returns SQL condition for the "select" functions
454 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
456 * @return string SQL condition
458 private static function condition($thread_mode)
461 $master_table = "`thread`";
463 $master_table = "`item`";
465 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
469 * @brief Returns all needed "JOIN" commands for the "select" functions
471 * @param integer $uid User ID
472 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
473 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
475 * @return string The SQL joins for the "select" functions
477 private static function constructJoins($uid, $sql_commands, $thread_mode)
480 $master_table = "`thread`";
481 $master_table_key = "`thread`.`iid`";
482 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
484 $master_table = "`item`";
485 $master_table_key = "`item`.`id`";
489 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
490 AND NOT `contact`.`blocked`
491 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
492 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
493 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
494 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
495 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
496 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
498 if (strpos($sql_commands, "`group_member`.") !== false) {
499 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
502 if (strpos($sql_commands, "`user`.") !== false) {
503 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
506 if (strpos($sql_commands, "`event`.") !== false) {
507 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
510 if (strpos($sql_commands, "`sign`.") !== false) {
511 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
514 if (strpos($sql_commands, "`item-content`.") !== false) {
515 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
518 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
519 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
522 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
523 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
530 * @brief Add the field list for the "select" functions
532 * @param array $fields The field definition array
533 * @param array $selected The array with the selected fields from the "select" functions
535 * @return string The field list
537 private static function constructSelectFields($fields, $selected)
539 // To be able to fetch the tags we need the item id
540 if (in_array('tag', $selected) && !in_array('id', $selected)) {
544 /// @todo This is a preparation
545 // To be able to fetch the files we need the item id
546 //if (in_array('file', $selected) && !in_array('id', $selected)) {
547 // $selected[] = 'id';
551 foreach ($fields as $table => $table_fields) {
552 foreach ($table_fields as $field => $select) {
553 if (empty($selected) || in_array($select, $selected)) {
554 if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
555 $selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
557 if (is_int($field)) {
558 $selection[] = "`" . $table . "`.`" . $select . "`";
560 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
565 return implode(", ", $selection);
569 * @brief add table definition to fields in an SQL query
571 * @param string $query SQL query
572 * @param array $fields The field definition array
574 * @return string the changed SQL query
576 private static function addTablesToFields($query, $fields)
578 foreach ($fields as $table => $table_fields) {
579 foreach ($table_fields as $alias => $field) {
580 if (is_int($alias)) {
581 $replace_field = $field;
583 $replace_field = $alias;
586 $search = "/([^\.])`" . $field . "`/i";
587 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
588 $query = preg_replace($search, $replace, $query);
595 * @brief Update existing item entries
597 * @param array $fields The fields that are to be changed
598 * @param array $condition The condition for finding the item entries
600 * In the future we may have to change permissions as well.
601 * Then we had to add the user id as third parameter.
603 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
605 * @return integer|boolean number of affected rows - or "false" if there was an error
607 public static function update(array $fields, array $condition)
609 if (empty($condition) || empty($fields)) {
613 // To ensure the data integrity we do it in an transaction
616 // We cannot simply expand the condition to check for origin entries
617 // The condition needn't to be a simple array but could be a complex condition.
618 // And we have to execute this query before the update to ensure to fetch the same data.
619 $items = dba::select('item', ['id', 'origin', 'uri', 'plink'], $condition);
621 $content_fields = [];
622 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
623 if (isset($fields[$field])) {
624 $content_fields[$field] = $fields[$field];
625 unset($fields[$field]);
629 if (array_key_exists('tag', $fields)) {
630 $tags = $fields['tag'];
631 unset($fields['tag']);
636 if (array_key_exists('file', $fields)) {
637 $files = $fields['file'];
638 /// @todo This is a preparation
639 //unset($fields['file']);
644 if (!empty($fields)) {
645 $success = dba::update('item', $fields, $condition);
654 // When there is no content for the "old" item table, this will count the fetched items
655 $rows = dba::affected_rows();
657 while ($item = dba::fetch($items)) {
658 if (!empty($item['plink'])) {
659 $content_fields['plink'] = $item['plink'];
661 self::updateContent($content_fields, ['uri' => $item['uri']]);
664 Term::insertFromTagFieldByItemId($item['id'], $tags);
667 if (!empty($files)) {
668 Term::insertFromFileFieldByItemId($item['id'], $files);
671 self::updateThread($item['id']);
673 // We only need to notfiy others when it is an original entry from us.
674 // Only call the notifier when the item has some content relevant change.
675 if ($item['origin'] && in_array('edited', array_keys($fields))) {
676 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
686 * @brief Delete an item and notify others about it - if it was ours
688 * @param array $condition The condition for finding the item entries
689 * @param integer $priority Priority for the notification
691 public static function delete($condition, $priority = PRIORITY_HIGH)
693 $items = dba::select('item', ['id'], $condition);
694 while ($item = dba::fetch($items)) {
695 self::deleteById($item['id'], $priority);
701 * @brief Delete an item for an user and notify others about it - if it was ours
703 * @param array $condition The condition for finding the item entries
704 * @param integer $uid User who wants to delete this item
706 public static function deleteForUser($condition, $uid)
712 $items = dba::select('item', ['id', 'uid'], $condition);
713 while ($item = dba::fetch($items)) {
714 // "Deleting" global items just means hiding them
715 if ($item['uid'] == 0) {
716 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
717 } elseif ($item['uid'] == $uid) {
718 self::deleteById($item['id'], PRIORITY_HIGH);
720 logger('Wrong ownership. Not deleting item ' . $item['id']);
727 * @brief Delete an item and notify others about it - if it was ours
729 * @param integer $item_id Item ID that should be delete
730 * @param integer $priority Priority for the notification
732 * @return boolean success
734 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
736 // locate item to be deleted
737 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
738 'deleted', 'file', 'resource-id', 'event-id', 'attach',
739 'verb', 'object-type', 'object', 'target', 'contact-id'];
740 $item = self::selectFirst($fields, ['id' => $item_id]);
741 if (!DBM::is_result($item)) {
742 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
746 if ($item['deleted']) {
747 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
751 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
752 if (!DBM::is_result($parent)) {
753 $parent = ['origin' => false];
756 // clean up categories and tags so they don't end up as orphans
759 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
761 foreach ($matches as $mtch) {
762 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
768 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
770 foreach ($matches as $mtch) {
771 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
776 * If item is a link to a photo resource, nuke all the associated photos
777 * (visitors will not have photo resources)
778 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
779 * generate a resource-id and therefore aren't intimately linked to the item.
781 if (strlen($item['resource-id'])) {
782 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
785 // If item is a link to an event, delete the event.
786 if (intval($item['event-id'])) {
787 Event::delete($item['event-id']);
790 // If item has attachments, drop them
791 foreach (explode(", ", $item['attach']) as $attach) {
792 preg_match("|attach/(\d+)|", $attach, $matches);
793 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
796 // Delete tags that had been attached to other items
797 self::deleteTagsFromItem($item);
799 // Set the item to "deleted"
800 // This erasing of item content is superfluous for items with a matching item-content.
801 // But for the next time we will still have old content in the item table.
802 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
803 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
804 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
805 dba::update('item', $item_fields, ['id' => $item['id']]);
807 Term::insertFromTagFieldByItemId($item['id'], '');
808 Term::insertFromFileFieldByItemId($item['id'], '');
809 self::deleteThread($item['id'], $item['parent-uri']);
811 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
812 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
815 // If it's the parent of a comment thread, kill all the kids
816 if ($item['id'] == $item['parent']) {
817 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
820 // Is it our comment and/or our thread?
821 if ($item['origin'] || $parent['origin']) {
823 // When we delete the original post we will delete all existing copies on the server as well
824 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
826 // send the notification upstream/downstream
827 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
828 } elseif ($item['uid'] != 0) {
830 // When we delete just our local user copy of an item, we have to set a marker to hide it
831 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
832 if (DBM::is_result($global_item)) {
833 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
837 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
842 private static function deleteTagsFromItem($item)
844 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
848 $xo = XML::parseString($item["object"], false);
849 $xt = XML::parseString($item["target"], false);
851 if ($xt->type != ACTIVITY_OBJ_NOTE) {
855 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
856 if (!DBM::is_result($i)) {
860 // For tags, the owner cannot remove the tag on the author's copy of the post.
861 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
862 $author_copy = $item["origin"];
864 if (($owner_remove && $author_copy) || !$owner_remove) {
868 $tags = explode(',', $i["tag"]);
871 foreach ($tags as $tag) {
872 if (trim($tag) !== trim($xo->body)) {
873 $newtags[] = trim($tag);
877 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
880 private static function guid($item, $notify)
882 $guid = notags(trim($item['guid']));
889 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
890 // We add the hash of our own host because our host is the original creator of the post.
891 $prefix_host = get_app()->get_hostname();
895 // We are only storing the post so we create a GUID from the original hostname.
896 if (!empty($item['author-link'])) {
897 $parsed = parse_url($item['author-link']);
898 if (!empty($parsed['host'])) {
899 $prefix_host = $parsed['host'];
903 if (empty($prefix_host) && !empty($item['plink'])) {
904 $parsed = parse_url($item['plink']);
905 if (!empty($parsed['host'])) {
906 $prefix_host = $parsed['host'];
910 if (empty($prefix_host) && !empty($item['uri'])) {
911 $parsed = parse_url($item['uri']);
912 if (!empty($parsed['host'])) {
913 $prefix_host = $parsed['host'];
917 // Is it in the format data@host.tld? - Used for mail contacts
918 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
919 $mailparts = explode('@', $item['author-link']);
920 $prefix_host = array_pop($mailparts);
924 if (!empty($item['plink'])) {
925 $guid = self::guidFromUri($item['plink'], $prefix_host);
926 } elseif (!empty($item['uri'])) {
927 $guid = self::guidFromUri($item['uri'], $prefix_host);
929 $guid = get_guid(32, hash('crc32', $prefix_host));
935 private static function contactId($item)
937 $contact_id = (int)$item["contact-id"];
939 if (!empty($contact_id)) {
942 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
944 * First we are looking for a suitable contact that matches with the author of the post
945 * This is done only for comments
947 if ($item['parent-uri'] != $item['uri']) {
948 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
951 // If not present then maybe the owner was found
952 if ($contact_id == 0) {
953 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
956 // Still missing? Then use the "self" contact of the current user
957 if ($contact_id == 0) {
958 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
959 if (DBM::is_result($self)) {
960 $contact_id = $self["id"];
963 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
968 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
972 // If it is a posting where users should get notifications, then define it as wall posting
975 $item['type'] = 'wall';
977 $item['network'] = NETWORK_DFRN;
978 $item['protocol'] = PROTOCOL_DFRN;
980 if (is_int($notify)) {
983 $priority = PRIORITY_HIGH;
986 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
989 $item['guid'] = self::guid($item, $notify);
990 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
992 // Store conversation data
993 $item = Conversation::insert($item);
996 * If a Diaspora signature structure was passed in, pull it out of the
997 * item array and set it aside for later storage.
1001 if (x($item, 'dsprsig')) {
1002 $encoded_signature = $item['dsprsig'];
1003 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1004 unset($item['dsprsig']);
1007 if (!empty($item['diaspora_signed_text'])) {
1008 $diaspora_signed_text = $item['diaspora_signed_text'];
1009 unset($item['diaspora_signed_text']);
1011 $diaspora_signed_text = '';
1014 // Converting the plink
1015 /// @TODO Check if this is really still needed
1016 if ($item['network'] == NETWORK_OSTATUS) {
1017 if (isset($item['plink'])) {
1018 $item['plink'] = OStatus::convertHref($item['plink']);
1019 } elseif (isset($item['uri'])) {
1020 $item['plink'] = OStatus::convertHref($item['uri']);
1024 if (!empty($item['thr-parent'])) {
1025 $item['parent-uri'] = $item['thr-parent'];
1028 $item['type'] = defaults($item, 'type', 'remote');
1030 if (isset($item['gravity'])) {
1031 $item['gravity'] = intval($item['gravity']);
1032 } elseif ($item['parent-uri'] === $item['uri']) {
1033 $item['gravity'] = GRAVITY_PARENT;
1034 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1035 $item['gravity'] = GRAVITY_COMMENT;
1036 } elseif ($item['type'] == 'activity') {
1037 $item['gravity'] = GRAVITY_ACTIVITY;
1039 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1040 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
1043 $uid = intval($item['uid']);
1045 // check for create date and expire time
1046 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1048 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1049 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1050 $expire_interval = $user['expire'];
1053 if (($expire_interval > 0) && !empty($item['created'])) {
1054 $expire_date = time() - ($expire_interval * 86400);
1055 $created_date = strtotime($item['created']);
1056 if ($created_date < $expire_date) {
1057 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1063 * Do we already have this item?
1064 * We have to check several networks since Friendica posts could be repeated
1065 * via OStatus (maybe Diasporsa as well)
1067 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1068 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1069 trim($item['uri']), $item['uid'],
1070 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1071 $existing = self::selectFirst(['id', 'network'], $condition);
1072 if (DBM::is_result($existing)) {
1073 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1075 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1078 return $existing["id"];
1082 self::addLanguageToItemArray($item);
1084 $item['wall'] = intval(defaults($item, 'wall', 0));
1085 $item['extid'] = trim(defaults($item, 'extid', ''));
1086 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1087 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1088 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1089 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1090 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1091 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1092 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1093 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1094 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1095 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1096 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1097 $item['title'] = trim(defaults($item, 'title', ''));
1098 $item['location'] = trim(defaults($item, 'location', ''));
1099 $item['coord'] = trim(defaults($item, 'coord', ''));
1100 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1101 $item['deleted'] = 0;
1102 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1103 $item['verb'] = trim(defaults($item, 'verb', ''));
1104 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1105 $item['object'] = trim(defaults($item, 'object', ''));
1106 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1107 $item['target'] = trim(defaults($item, 'target', ''));
1108 $item['plink'] = trim(defaults($item, 'plink', ''));
1109 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1110 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1111 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1112 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1113 $item['private'] = intval(defaults($item, 'private', 0));
1114 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1115 $item['body'] = trim(defaults($item, 'body', ''));
1116 $item['tag'] = trim(defaults($item, 'tag', ''));
1117 $item['attach'] = trim(defaults($item, 'attach', ''));
1118 $item['app'] = trim(defaults($item, 'app', ''));
1119 $item['origin'] = intval(defaults($item, 'origin', 0));
1120 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1121 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1122 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1123 $item['inform'] = trim(defaults($item, 'inform', ''));
1124 $item['file'] = trim(defaults($item, 'file', ''));
1126 // When there is no content then we don't post it
1127 if ($item['body'].$item['title'] == '') {
1128 logger('No body, no title.');
1132 // Items cannot be stored before they happen ...
1133 if ($item['created'] > DateTimeFormat::utcNow()) {
1134 $item['created'] = DateTimeFormat::utcNow();
1137 // We haven't invented time travel by now.
1138 if ($item['edited'] > DateTimeFormat::utcNow()) {
1139 $item['edited'] = DateTimeFormat::utcNow();
1142 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1143 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1146 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1148 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1149 $item["contact-id"] = self::contactId($item);
1151 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1152 'photo' => $item['author-avatar'], 'network' => $item['network']];
1154 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1156 if (Contact::isBlocked($item["author-id"])) {
1157 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1161 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1162 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1164 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1166 if (Contact::isBlocked($item["owner-id"])) {
1167 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1171 // These fields aren't stored anymore in the item table, they are fetched upon request
1172 unset($item['author-link']);
1173 unset($item['author-name']);
1174 unset($item['author-avatar']);
1176 unset($item['owner-link']);
1177 unset($item['owner-name']);
1178 unset($item['owner-avatar']);
1180 if ($item['network'] == NETWORK_PHANTOM) {
1181 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1183 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1184 if (!empty($contact['network'])) {
1185 $item['network'] = $contact["network"];
1187 $item['network'] = NETWORK_DFRN;
1189 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1192 // Checking if there is already an item with the same guid
1193 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1194 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1195 if (self::exists($condition)) {
1196 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1200 // Check for hashtags in the body and repair or add hashtag links
1201 self::setHashtags($item);
1203 $item['thr-parent'] = $item['parent-uri'];
1211 if ($item['parent-uri'] === $item['uri']) {
1213 $parent_deleted = 0;
1214 $allow_cid = $item['allow_cid'];
1215 $allow_gid = $item['allow_gid'];
1216 $deny_cid = $item['deny_cid'];
1217 $deny_gid = $item['deny_gid'];
1218 $notify_type = 'wall-new';
1220 // find the parent and snarf the item id and ACLs
1221 // and anything else we need to inherit
1223 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1224 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1225 'wall', 'private', 'forum_mode', 'origin'];
1226 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1227 $params = ['order' => ['id' => false]];
1228 $parent = self::selectFirst($fields, $condition, $params);
1230 if (DBM::is_result($parent)) {
1231 // is the new message multi-level threaded?
1232 // even though we don't support it now, preserve the info
1233 // and re-attach to the conversation parent.
1235 if ($parent['uri'] != $parent['parent-uri']) {
1236 $item['parent-uri'] = $parent['parent-uri'];
1238 $condition = ['uri' => $item['parent-uri'],
1239 'parent-uri' => $item['parent-uri'],
1240 'uid' => $item['uid']];
1241 $params = ['order' => ['id' => false]];
1242 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1244 if (DBM::is_result($toplevel_parent)) {
1245 $parent = $toplevel_parent;
1249 $parent_id = $parent['id'];
1250 $parent_deleted = $parent['deleted'];
1251 $allow_cid = $parent['allow_cid'];
1252 $allow_gid = $parent['allow_gid'];
1253 $deny_cid = $parent['deny_cid'];
1254 $deny_gid = $parent['deny_gid'];
1255 $item['wall'] = $parent['wall'];
1256 $notify_type = 'comment-new';
1259 * If the parent is private, force privacy for the entire conversation
1260 * This differs from the above settings as it subtly allows comments from
1261 * email correspondents to be private even if the overall thread is not.
1263 if ($parent['private']) {
1264 $item['private'] = $parent['private'];
1268 * Edge case. We host a public forum that was originally posted to privately.
1269 * The original author commented, but as this is a comment, the permissions
1270 * weren't fixed up so it will still show the comment as private unless we fix it here.
1272 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1273 $item['private'] = 0;
1276 // If its a post from myself then tag the thread as "mention"
1277 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1278 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1279 if (DBM::is_result($user)) {
1280 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1281 $self_id = Contact::getIdForURL($self, 0, true);
1282 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1283 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1284 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1285 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1290 * Allow one to see reply tweets from status.net even when
1291 * we don't have or can't see the original post.
1293 if ($force_parent) {
1294 logger('$force_parent=true, reply converted to top-level post.');
1296 $item['parent-uri'] = $item['uri'];
1297 $item['gravity'] = GRAVITY_PARENT;
1299 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1303 $parent_deleted = 0;
1307 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1308 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1309 if (self::exists($condition)) {
1310 logger('duplicated item with the same uri found. '.print_r($item,true));
1314 // On Friendica and Diaspora the GUID is unique
1315 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1316 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1317 if (self::exists($condition)) {
1318 logger('duplicated item with the same guid found. '.print_r($item,true));
1322 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1323 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1324 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1325 if (self::exists($condition)) {
1326 logger('duplicated item with the same body found. '.print_r($item,true));
1331 // Is this item available in the global items (with uid=0)?
1332 if ($item["uid"] == 0) {
1333 $item["global"] = true;
1335 // Set the global flag on all items if this was a global item entry
1336 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1338 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1342 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1345 $private = $item['private'];
1348 $item["allow_cid"] = $allow_cid;
1349 $item["allow_gid"] = $allow_gid;
1350 $item["deny_cid"] = $deny_cid;
1351 $item["deny_gid"] = $deny_gid;
1352 $item["private"] = $private;
1353 $item["deleted"] = $parent_deleted;
1355 // Fill the cache field
1356 put_item_in_cache($item);
1359 Addon::callHooks('post_local', $item);
1361 Addon::callHooks('post_remote', $item);
1364 // This array field is used to trigger some automatic reactions
1365 // It is mainly used in the "post_local" hook.
1366 unset($item['api_source']);
1368 if (x($item, 'cancel')) {
1369 logger('post cancelled by addon.');
1374 * Check for already added items.
1375 * There is a timing issue here that sometimes creates double postings.
1376 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1378 if ($item["uid"] == 0) {
1379 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1380 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1385 logger('' . print_r($item,true), LOGGER_DATA);
1387 if (array_key_exists('tag', $item)) {
1388 $tags = $item['tag'];
1389 unset($item['tag']);
1394 if (array_key_exists('file', $item)) {
1395 $files = $item['file'];
1396 /// @todo This is a preparation
1397 //unset($item['file']);
1402 // We are doing this outside of the transaction to avoid timing problems
1403 self::insertContent($item);
1406 $ret = dba::insert('item', $item);
1408 // When the item was successfully stored we fetch the ID of the item.
1409 if (DBM::is_result($ret)) {
1410 $current_post = dba::lastInsertId();
1412 // This can happen - for example - if there are locking timeouts.
1415 // Store the data into a spool file so that we can try again later.
1417 // At first we restore the Diaspora signature that we removed above.
1418 if (isset($encoded_signature)) {
1419 $item['dsprsig'] = $encoded_signature;
1422 // Now we store the data in the spool directory
1423 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1424 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1426 $spoolpath = get_spoolpath();
1427 if ($spoolpath != "") {
1428 $spool = $spoolpath.'/'.$file;
1429 file_put_contents($spool, json_encode($item));
1430 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1435 if ($current_post == 0) {
1436 // This is one of these error messages that never should occur.
1437 logger("couldn't find created item - we better quit now.");
1442 // How much entries have we created?
1443 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1444 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1447 // There are duplicates. We delete our just created entry.
1448 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1450 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1451 dba::delete('item', ['id' => $current_post]);
1454 } elseif ($entries == 0) {
1455 // This really should never happen since we quit earlier if there were problems.
1456 logger("Something is terribly wrong. We haven't found our created entry.");
1461 logger('created item '.$current_post);
1462 self::updateContact($item);
1464 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1465 $parent_id = $current_post;
1469 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1471 $item['id'] = $current_post;
1472 $item['parent'] = $parent_id;
1474 // update the commented timestamp on the parent
1475 // Only update "commented" if it is really a comment
1476 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1477 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1479 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1484 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1485 * We can check for this condition when we decode and encode the stuff again.
1487 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1488 $dsprsig->signature = base64_decode($dsprsig->signature);
1489 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1492 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1493 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1496 if (!empty($diaspora_signed_text)) {
1497 // Formerly we stored the signed text, the signature and the author in different fields.
1498 // We now store the raw data so that we are more flexible.
1499 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1502 $deleted = self::tagDeliver($item['uid'], $current_post);
1505 * current post can be deleted if is for a community page and no mention are
1508 if (!$deleted && !$dontcache) {
1509 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1510 if (DBM::is_result($posted_item)) {
1512 Addon::callHooks('post_local_end', $posted_item);
1514 Addon::callHooks('post_remote_end', $posted_item);
1517 logger('new item not found in DB, id ' . $current_post);
1521 if ($item['parent-uri'] === $item['uri']) {
1522 self::addThread($current_post);
1524 self::updateThread($parent_id);
1530 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1531 * This is not perfect - but a workable solution until we found the reason for the problem.
1533 if (!empty($tags)) {
1534 Term::insertFromTagFieldByItemId($current_post, $tags);
1537 if (!empty($files)) {
1538 Term::insertFromFileFieldByItemId($current_post, $files);
1541 if ($item['parent-uri'] === $item['uri']) {
1542 self::addShadow($current_post);
1544 self::addShadowPost($current_post);
1547 check_user_notification($current_post);
1550 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1551 } elseif (!empty($parent) && $parent['origin']) {
1552 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1555 return $current_post;
1559 * @brief Insert a new item content entry
1561 * @param array $item The item fields that are to be inserted
1563 private static function insertContent(&$item)
1565 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1566 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1568 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1569 if (isset($item[$field])) {
1570 $fields[$field] = $item[$field];
1571 unset($item[$field]);
1575 // To avoid timing problems, we are using locks.
1576 $locked = Lock::set('item_insert_content');
1578 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1581 // Do we already have this content?
1582 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1583 if (DBM::is_result($item_content)) {
1584 $item['icid'] = $item_content['id'];
1585 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1586 } elseif (dba::insert('item-content', $fields)) {
1587 $item['icid'] = dba::lastInsertId();
1588 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1590 // By setting the ICID value through the worker we should avoid timing problems.
1591 // When the locking works, this shouldn't be needed. But better be prepared.
1592 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']);
1593 logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
1596 Lock::remove('item_insert_content');
1601 * @brief Set the item content id for a given URI
1603 * @param string $uri The item URI
1605 public static function setICIDforURI($uri)
1607 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1608 if (DBM::is_result($item_content)) {
1609 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1610 logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows());
1612 logger('No item-content found for URI ' . $uri);
1617 * @brief Update existing item content entries
1619 * @param array $item The item fields that are to be changed
1620 * @param array $condition The condition for finding the item content entries
1622 private static function updateContent($item, $condition)
1624 // We have to select only the fields from the "item-content" table
1626 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1627 if (isset($item[$field])) {
1628 $fields[$field] = $item[$field];
1632 if (empty($fields)) {
1636 if (!empty($item['plink'])) {
1637 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1639 // Ensure that we don't delete the plink
1640 unset($fields['plink']);
1643 logger('Update content for URI ' . $condition['uri']);
1645 dba::update('item-content', $fields, $condition, true);
1649 * @brief Distributes public items to the receivers
1651 * @param integer $itemid Item ID that should be added
1652 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1654 public static function distribute($itemid, $signed_text = '')
1656 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1657 $parent = self::selectFirst(['owner-id'], $condition);
1658 if (!DBM::is_result($parent)) {
1662 // Only distribute public items from native networks
1663 $condition = ['id' => $itemid, 'uid' => 0,
1664 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1665 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1666 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1667 if (!DBM::is_result($item)) {
1672 unset($item['parent']);
1673 unset($item['mention']);
1674 unset($item['wall']);
1675 unset($item['origin']);
1676 unset($item['starred']);
1680 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1681 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1682 $contacts = dba::select('contact', ['uid'], $condition);
1683 while ($contact = dba::fetch($contacts)) {
1684 $users[$contact['uid']] = $contact['uid'];
1689 if ($item['uri'] != $item['parent-uri']) {
1690 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1691 while ($parent = dba::fetch($parents)) {
1692 $users[$parent['uid']] = $parent['uid'];
1693 if ($parent['origin'] && !$item['origin']) {
1694 $origin_uid = $parent['uid'];
1699 foreach ($users as $uid) {
1700 if ($origin_uid == $uid) {
1701 $item['diaspora_signed_text'] = $signed_text;
1703 self::storeForUser($itemid, $item, $uid);
1708 * @brief Store public items for the receivers
1710 * @param integer $itemid Item ID that should be added
1711 * @param array $item The item entry that will be stored
1712 * @param integer $uid The user that will receive the item entry
1714 private static function storeForUser($itemid, $item, $uid)
1716 $item['uid'] = $uid;
1717 $item['origin'] = 0;
1719 if ($item['uri'] == $item['parent-uri']) {
1720 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1722 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1725 if (empty($item['contact-id'])) {
1726 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1727 if (!DBM::is_result($self)) {
1730 $item['contact-id'] = $self['id'];
1733 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1734 $item['type'] = 'remote-comment';
1735 } elseif ($item['type'] == 'wall') {
1736 $item['type'] = 'remote';
1739 /// @todo Handling of "event-id"
1742 if ($item['uri'] == $item['parent-uri']) {
1743 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1744 if (DBM::is_result($contact)) {
1745 $notify = self::isRemoteSelf($contact, $item);
1749 $distributed = self::insert($item, false, $notify, true);
1751 if (!$distributed) {
1752 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1754 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1759 * @brief Add a shadow entry for a given item id that is a thread starter
1761 * We store every public item entry additionally with the user id "0".
1762 * This is used for the community page and for the search.
1763 * It is planned that in the future we will store public item entries only once.
1765 * @param integer $itemid Item ID that should be added
1767 public static function addShadow($itemid)
1769 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1770 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1771 $item = self::selectFirst($fields, $condition);
1773 if (!DBM::is_result($item)) {
1777 // is it already a copy?
1778 if (($itemid == 0) || ($item['uid'] == 0)) {
1782 // Is it a visible public post?
1783 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1787 // is it an entry from a connector? Only add an entry for natively connected networks
1788 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1792 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1794 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1795 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1797 if (!self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1798 // Preparing public shadow (removing user specific data)
1801 unset($item['parent']);
1802 unset($item['wall']);
1803 unset($item['mention']);
1804 unset($item['origin']);
1805 unset($item['starred']);
1806 if ($item['uri'] == $item['parent-uri']) {
1807 $item['contact-id'] = $item['owner-id'];
1809 $item['contact-id'] = $item['author-id'];
1812 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1813 $item['type'] = 'remote-comment';
1814 } elseif ($item['type'] == 'wall') {
1815 $item['type'] = 'remote';
1818 $public_shadow = self::insert($item, false, false, true);
1820 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1826 * @brief Add a shadow entry for a given item id that is a comment
1828 * This function does the same like the function above - but for comments
1830 * @param integer $itemid Item ID that should be added
1832 public static function addShadowPost($itemid)
1834 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1835 if (!DBM::is_result($item)) {
1839 // Is it a toplevel post?
1840 if ($item['id'] == $item['parent']) {
1841 self::addShadow($itemid);
1845 // Is this a shadow entry?
1846 if ($item['uid'] == 0) {
1850 // Is there a shadow parent?
1851 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1855 // Is there already a shadow entry?
1856 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1860 // Save "origin" and "parent" state
1861 $origin = $item['origin'];
1862 $parent = $item['parent'];
1864 // Preparing public shadow (removing user specific data)
1867 unset($item['parent']);
1868 unset($item['wall']);
1869 unset($item['mention']);
1870 unset($item['origin']);
1871 unset($item['starred']);
1872 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1874 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1875 $item['type'] = 'remote-comment';
1876 } elseif ($item['type'] == 'wall') {
1877 $item['type'] = 'remote';
1880 $public_shadow = self::insert($item, false, false, true);
1882 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1884 // If this was a comment to a Diaspora post we don't get our comment back.
1885 // This means that we have to distribute the comment by ourselves.
1886 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1887 self::distribute($public_shadow);
1892 * Adds a language specification in a "language" element of given $arr.
1893 * Expects "body" element to exist in $arr.
1895 private static function addLanguageToItemArray(&$item)
1897 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1899 $ld = new Text_LanguageDetect();
1900 $ld->setNameMode(2);
1901 $languages = $ld->detect($naked_body, 3);
1903 if (is_array($languages)) {
1904 $item['language'] = json_encode($languages);
1909 * @brief Creates an unique guid out of a given uri
1911 * @param string $uri uri of an item entry
1912 * @param string $host hostname for the GUID prefix
1913 * @return string unique guid
1915 public static function guidFromUri($uri, $host)
1917 // Our regular guid routine is using this kind of prefix as well
1918 // We have to avoid that different routines could accidentally create the same value
1919 $parsed = parse_url($uri);
1921 // We use a hash of the hostname as prefix for the guid
1922 $guid_prefix = hash("crc32", $host);
1924 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1925 unset($parsed["scheme"]);
1927 // Glue it together to be able to make a hash from it
1928 $host_id = implode("/", $parsed);
1930 // We could use any hash algorithm since it isn't a security issue
1931 $host_hash = hash("ripemd128", $host_id);
1933 return $guid_prefix.$host_hash;
1937 * generate an unique URI
1939 * @param integer $uid User id
1940 * @param string $guid An existing GUID (Otherwise it will be generated)
1944 public static function newURI($uid, $guid = "")
1947 $guid = get_guid(32);
1950 $hostname = self::getApp()->get_hostname();
1952 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1954 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1960 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1962 * This can be used to filter for inactive contacts.
1963 * Only do this for public postings to avoid privacy problems, since poco data is public.
1964 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1966 * @param array $arr Contains the just posted item record
1968 private static function updateContact($arr)
1970 // Unarchive the author
1971 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1972 if (DBM::is_result($contact)) {
1973 Contact::unmarkForArchival($contact);
1976 // Unarchive the contact if it's not our own contact
1977 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1978 if (DBM::is_result($contact)) {
1979 Contact::unmarkForArchival($contact);
1982 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1984 // Is it a forum? Then we don't care about the rules from above
1985 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1986 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1992 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1993 ['id' => $arr['contact-id']]);
1995 // Now do the same for the system wide contacts with uid=0
1996 if (!$arr['private']) {
1997 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1998 ['id' => $arr['owner-id']]);
2000 if ($arr['owner-id'] != $arr['author-id']) {
2001 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
2002 ['id' => $arr['author-id']]);
2007 public static function setHashtags(&$item)
2010 $tags = get_tags($item["body"]);
2013 if (!count($tags)) {
2017 // This sorting is important when there are hashtags that are part of other hashtags
2018 // Otherwise there could be problems with hashtags like #test and #test2
2021 $URLSearchString = "^\[\]";
2023 // All hashtags should point to the home server if "local_tags" is activated
2024 if (Config::get('system', 'local_tags')) {
2025 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2026 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2028 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2029 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2032 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2033 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2035 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2038 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2040 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2043 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2045 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2048 // Repair recursive urls
2049 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2050 "#$2", $item["body"]);
2052 foreach ($tags as $tag) {
2053 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2057 $basetag = str_replace('_',' ',substr($tag,1));
2059 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2061 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2063 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2064 if (strlen($item["tag"])) {
2065 $item["tag"] = ','.$item["tag"];
2067 $item["tag"] = $newtag.$item["tag"];
2071 // Convert back the masked hashtags
2072 $item["body"] = str_replace("#", "#", $item["body"]);
2075 public static function getGuidById($id)
2077 $item = self::selectFirst(['guid'], ['id' => $id]);
2078 if (DBM::is_result($item)) {
2079 return $item['guid'];
2085 public static function getIdAndNickByGuid($guid, $uid = 0)
2091 $uid == local_user();
2094 // Does the given user have this item?
2096 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2097 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2098 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2099 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2100 if (DBM::is_result($item)) {
2102 $nick = $item["nickname"];
2106 // Or is it anywhere on the server?
2108 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2109 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2110 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2111 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
2112 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
2113 AND NOT `item`.`private` AND `item`.`wall`
2114 AND `item`.`guid` = ?", $guid);
2115 if (DBM::is_result($item)) {
2117 $nick = $item["nickname"];
2120 return ["nick" => $nick, "id" => $id];
2124 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2126 * @param int $item_id
2127 * @return bool true if item was deleted, else false
2129 private static function tagDeliver($uid, $item_id)
2133 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2134 if (!DBM::is_result($user)) {
2138 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2139 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2141 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2142 if (!DBM::is_result($item)) {
2146 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2149 * Diaspora uses their own hardwired link URL in @-tags
2150 * instead of the one we supply with webfinger
2152 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2154 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2156 foreach ($matches as $mtch) {
2157 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2159 logger('mention found: ' . $mtch[2]);
2165 if (($community_page || $prvgroup) &&
2166 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2167 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2169 logger("no-mention top-level post to community or private group. delete.");
2170 dba::delete('item', ['id' => $item_id]);
2176 $arr = ['item' => $item, 'user' => $user];
2178 Addon::callHooks('tagged', $arr);
2180 if (!$community_page && !$prvgroup) {
2185 * tgroup delivery - setup a second delivery chain
2186 * prevent delivery looping - only proceed
2187 * if the message originated elsewhere and is a top-level post
2189 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2193 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2194 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2195 if (!DBM::is_result($self)) {
2199 $owner_id = Contact::getIdForURL($self['url']);
2201 // also reset all the privacy bits to the forum default permissions
2203 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2205 $forum_mode = ($prvgroup ? 2 : 1);
2207 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2208 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2209 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2210 dba::update('item', $fields, ['id' => $item_id]);
2212 self::updateThread($item_id);
2214 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2217 public static function isRemoteSelf($contact, &$datarray)
2221 if (!$contact['remote_self']) {
2225 // Prevent the forwarding of posts that are forwarded
2226 if ($datarray["extid"] == NETWORK_DFRN) {
2227 logger('Already forwarded', LOGGER_DEBUG);
2231 // Prevent to forward already forwarded posts
2232 if ($datarray["app"] == $a->get_hostname()) {
2233 logger('Already forwarded (second test)', LOGGER_DEBUG);
2237 // Only forward posts
2238 if ($datarray["verb"] != ACTIVITY_POST) {
2239 logger('No post', LOGGER_DEBUG);
2243 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2244 logger('Not public', LOGGER_DEBUG);
2248 $datarray2 = $datarray;
2249 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2250 if ($contact['remote_self'] == 2) {
2251 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2252 ['uid' => $contact['uid'], 'self' => true]);
2253 if (DBM::is_result($self)) {
2254 $datarray['contact-id'] = $self["id"];
2256 $datarray['owner-name'] = $self["name"];
2257 $datarray['owner-link'] = $self["url"];
2258 $datarray['owner-avatar'] = $self["thumb"];
2260 $datarray['author-name'] = $datarray['owner-name'];
2261 $datarray['author-link'] = $datarray['owner-link'];
2262 $datarray['author-avatar'] = $datarray['owner-avatar'];
2264 unset($datarray['created']);
2265 unset($datarray['edited']);
2267 unset($datarray['network']);
2268 unset($datarray['owner-id']);
2269 unset($datarray['author-id']);
2272 if ($contact['network'] != NETWORK_FEED) {
2273 $datarray["guid"] = get_guid(32);
2274 unset($datarray["plink"]);
2275 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2276 $datarray["parent-uri"] = $datarray["uri"];
2277 $datarray["thr-parent"] = $datarray["uri"];
2278 $datarray["extid"] = NETWORK_DFRN;
2279 $urlpart = parse_url($datarray2['author-link']);
2280 $datarray["app"] = $urlpart["host"];
2282 $datarray['private'] = 0;
2286 if ($contact['network'] != NETWORK_FEED) {
2287 // Store the original post
2288 $result = self::insert($datarray2, false, false);
2289 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2291 $datarray["app"] = "Feed";
2295 // Trigger automatic reactions for addons
2296 $datarray['api_source'] = true;
2298 // We have to tell the hooks who we are - this really should be improved
2299 $_SESSION["authenticated"] = true;
2300 $_SESSION["uid"] = $contact['uid'];
2309 * @param array $item
2313 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2315 if (Config::get('system', 'disable_embedded')) {
2319 logger('check for photos', LOGGER_DEBUG);
2320 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2325 $img_start = strpos($orig_body, '[img');
2326 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2327 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2329 while (($img_st_close !== false) && ($img_len !== false)) {
2330 $img_st_close++; // make it point to AFTER the closing bracket
2331 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2333 logger('found photo ' . $image, LOGGER_DEBUG);
2335 if (stristr($image, $site . '/photo/')) {
2336 // Only embed locally hosted photos
2338 $i = basename($image);
2339 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2340 $x = strpos($i, '-');
2343 $res = substr($i, $x + 1);
2344 $i = substr($i, 0, $x);
2345 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2346 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2347 if (DBM::is_result($photo)) {
2349 * Check to see if we should replace this photo link with an embedded image
2350 * 1. No need to do so if the photo is public
2351 * 2. If there's a contact-id provided, see if they're in the access list
2352 * for the photo. If so, embed it.
2353 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2354 * permissions, regardless of order but first check to see if they're an exact
2355 * match to save some processing overhead.
2357 if (self::hasPermissions($photo)) {
2359 $recips = self::enumeratePermissions($photo);
2360 if (in_array($cid, $recips)) {
2364 if (self::samePermissions($item, $photo)) {
2370 $data = $photo['data'];
2371 $type = $photo['type'];
2373 // If a custom width and height were specified, apply before embedding
2374 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2375 logger('scaling photo', LOGGER_DEBUG);
2377 $width = intval($match[1]);
2378 $height = intval($match[2]);
2380 $Image = new Image($data, $type);
2381 if ($Image->isValid()) {
2382 $Image->scaleDown(max($width, $height));
2383 $data = $Image->asString();
2384 $type = $Image->getType();
2388 logger('replacing photo', LOGGER_DEBUG);
2389 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2390 logger('replaced: ' . $image, LOGGER_DATA);
2396 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2397 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2398 if ($orig_body === false) {
2402 $img_start = strpos($orig_body, '[img');
2403 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2404 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2407 $new_body = $new_body . $orig_body;
2412 private static function hasPermissions($obj)
2416 x($obj, 'allow_cid')
2418 x($obj, 'allow_gid')
2427 private static function samePermissions($obj1, $obj2)
2429 // first part is easy. Check that these are exactly the same.
2430 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2431 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2432 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2433 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2437 // This is harder. Parse all the permissions and compare the resulting set.
2438 $recipients1 = self::enumeratePermissions($obj1);
2439 $recipients2 = self::enumeratePermissions($obj2);
2443 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2444 return ($recipients1 == $recipients2);
2447 // returns an array of contact-ids that are allowed to see this object
2448 private static function enumeratePermissions($obj)
2450 $allow_people = expand_acl($obj['allow_cid']);
2451 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2452 $deny_people = expand_acl($obj['deny_cid']);
2453 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2454 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2455 $deny = array_unique(array_merge($deny_people, $deny_groups));
2456 $recipients = array_diff($recipients, $deny);
2460 public static function getFeedTags($item)
2464 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2466 for ($x = 0; $x < $cnt; $x ++) {
2467 if ($matches[1][$x]) {
2468 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2473 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2475 for ($x = 0; $x < $cnt; $x ++) {
2476 if ($matches[1][$x]) {
2477 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2484 public static function expire($uid, $days, $network = "", $force = false)
2486 if (!$uid || ($days < 1)) {
2491 * $expire_network_only = save your own wall posts
2492 * and just expire conversations started by others
2494 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2495 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2497 if ($network != "") {
2498 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2501 * There is an index "uid_network_received" but not "uid_network_created"
2502 * This avoids the creation of another index just for one purpose.
2503 * And it doesn't really matter wether to look at "received" or "created"
2505 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2507 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2510 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2511 WHERE `uid` = %d $range
2519 if (!DBM::is_result($r)) {
2523 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2525 // Forcing expiring of items - but not notes and marked items
2527 $expire_items = true;
2530 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2531 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2532 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2534 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2536 foreach ($r as $item) {
2538 // don't expire filed items
2540 if (strpos($item['file'],'[') !== false) {
2544 // Only expire posts, not photos and photo comments
2546 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2548 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2550 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2552 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2556 self::deleteById($item['id'], PRIORITY_LOW);
2560 public static function firstPostDate($uid, $wall = false)
2562 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2563 $params = ['order' => ['created' => false]];
2564 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2565 if (DBM::is_result($thread)) {
2566 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2572 * @brief add/remove activity to an item
2574 * Toggle activities as like,dislike,attend of an item
2576 * @param string $item_id
2577 * @param string $verb
2578 * Activity verb. One of
2579 * like, unlike, dislike, undislike, attendyes, unattendyes,
2580 * attendno, unattendno, attendmaybe, unattendmaybe
2581 * @hook 'post_local_end'
2583 * 'post_id' => ID of posted item
2585 public static function performLike($item_id, $verb)
2587 if (!local_user() && !remote_user()) {
2594 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2595 $activity = ACTIVITY_LIKE;
2599 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2600 $activity = ACTIVITY_DISLIKE;
2604 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2605 $activity = ACTIVITY_ATTEND;
2609 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2610 $activity = ACTIVITY_ATTENDNO;
2613 case 'unattendmaybe':
2614 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2615 $activity = ACTIVITY_ATTENDMAYBE;
2618 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2622 // Enable activity toggling instead of on/off
2623 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2625 logger('like: verb ' . $verb . ' item ' . $item_id);
2627 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2628 if (!DBM::is_result($item)) {
2629 logger('like: unknown item ' . $item_id);
2633 $uid = $item['uid'];
2634 if (($uid == 0) && local_user()) {
2635 $uid = local_user();
2638 if (!can_write_wall($uid)) {
2639 logger('like: unable to write on wall ' . $uid);
2643 // Retrieves the local post owner
2644 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2645 if (!DBM::is_result($owner_self_contact)) {
2646 logger('like: unknown owner ' . $uid);
2650 // Retrieve the current logged in user's public contact
2651 $author_id = public_contact();
2653 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2654 if (!DBM::is_result($author_contact)) {
2655 logger('like: unknown author ' . $author_id);
2659 // Contact-id is the uid-dependant author contact
2660 if (local_user() == $uid) {
2661 $item_contact_id = $owner_self_contact['id'];
2662 $item_contact = $owner_self_contact;
2664 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2665 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2666 if (!DBM::is_result($item_contact)) {
2667 logger('like: unknown item contact ' . $item_contact_id);
2672 // Look for an existing verb row
2673 // event participation are essentially radio toggles. If you make a subsequent choice,
2674 // we need to eradicate your first choice.
2675 if ($event_verb_flag) {
2676 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2681 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2682 'author-id' => $author_contact['id'], 'uid' => item['uid']];
2684 $condition = array_merge($base_condition, ['parent' => $item_id]);
2685 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2687 if (!DBM::is_result($like_item)) {
2688 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2689 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2692 if (!DBM::is_result($like_item)) {
2693 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2694 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2697 // If it exists, mark it as deleted
2698 if (DBM::is_result($like_item)) {
2699 // Already voted, undo it
2700 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2701 /// @todo Consider using self::update - but before doing so, check the side effects
2702 dba::update('item', $fields, ['id' => $like_item['id']]);
2704 // Clean up the Diaspora signatures for this like
2705 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2706 // if it had been enabled in the past
2707 dba::delete('sign', ['iid' => $like_item['id']]);
2709 $like_item_id = $like_item['id'];
2710 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2712 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2717 // Verb is "un-something", just trying to delete existing entries
2718 if (strpos($verb, 'un') === 0) {
2722 // Else or if event verb different from existing row, create a new item row
2723 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2724 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2725 $post_type = L10n::t('event');
2727 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2728 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2729 $body = $item['body'];
2734 <type>$objtype</type>
2736 <id>{$item['uri']}</id>
2739 <content>$body</content>
2743 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2744 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2745 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2748 'guid' => get_guid(32),
2749 'uri' => self::newURI($item['uid']),
2750 'uid' => $item['uid'],
2751 'contact-id' => $item_contact_id,
2752 'type' => 'activity',
2753 'wall' => $item['wall'],
2755 'gravity' => GRAVITY_ACTIVITY,
2756 'parent' => $item['id'],
2757 'parent-uri' => $item['uri'],
2758 'thr-parent' => $item['uri'],
2759 'owner-id' => $item['owner-id'],
2760 'owner-name' => $item['owner-name'],
2761 'owner-link' => $item['owner-link'],
2762 'owner-avatar' => $item['owner-avatar'],
2763 'author-id' => $author_contact['id'],
2764 'author-name' => $author_contact['name'],
2765 'author-link' => $author_contact['url'],
2766 'author-avatar' => $author_contact['thumb'],
2767 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2768 'verb' => $activity,
2769 'object-type' => $objtype,
2771 'allow_cid' => $item['allow_cid'],
2772 'allow_gid' => $item['allow_gid'],
2773 'deny_cid' => $item['deny_cid'],
2774 'deny_gid' => $item['deny_gid'],
2779 $new_item_id = self::insert($new_item);
2781 // If the parent item isn't visible then set it to visible
2782 if (!$item['visible']) {
2783 self::update(['visible' => true], ['id' => $item['id']]);
2786 // Save the author information for the like in case we need to relay to Diaspora
2787 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2789 $new_item['id'] = $new_item_id;
2791 Addon::callHooks('post_local_end', $new_item);
2793 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2798 private static function addThread($itemid, $onlyshadow = false)
2800 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2801 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2802 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2803 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2804 $item = self::selectFirst($fields, $condition);
2806 if (!DBM::is_result($item)) {
2810 $item['iid'] = $itemid;
2813 $result = dba::insert('thread', $item);
2815 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2819 private static function updateThread($itemid, $setmention = false)
2821 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
2822 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2823 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2824 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2826 $item = self::selectFirst($fields, $condition);
2827 if (!DBM::is_result($item)) {
2832 $item["mention"] = 1;
2839 foreach ($item as $field => $data) {
2840 if (!in_array($field, ["guid"])) {
2841 $fields[$field] = $data;
2845 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2847 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2850 private static function deleteThread($itemid, $itemuri = "")
2852 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2853 if (!DBM::is_result($item)) {
2854 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2858 // Using dba::delete at this time could delete the associated item entries
2859 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2861 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2863 if ($itemuri != "") {
2864 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2865 if (!self::exists($condition)) {
2866 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2867 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);