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 // Build the file string out of the term entries
126 if (isset($row['id']) && array_key_exists('file', $row)) {
127 $row['file'] = Term::fileTextFromItemId($row['id']);
130 // We can always comment on posts from these networks
131 if (isset($row['writable']) && !empty($row['network']) &&
132 in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
133 $row['writable'] = true;
140 * @brief Fills an array with data from an item query
142 * @param object $stmt statement object
143 * @return array Data array
145 public static function inArray($stmt, $do_close = true) {
146 if (is_bool($stmt)) {
151 while ($row = self::fetch($stmt)) {
161 * @brief Check if item data exists
163 * @param array $condition array of fields for condition
165 * @return boolean Are there rows for that condition?
167 public static function exists($condition) {
168 $stmt = self::select(['id'], $condition, ['limit' => 1]);
170 if (is_bool($stmt)) {
173 $retval = (dba::num_rows($stmt) > 0);
182 * Retrieve a single record from the item table for a given user and returns it in an associative array
184 * @brief Retrieve a single record from a table
185 * @param integer $uid User ID
186 * @param array $fields
187 * @param array $condition
188 * @param array $params
192 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
194 $params['uid'] = $uid;
196 if (empty($selected)) {
197 $selected = Item::DISPLAY_FIELDLIST;
200 return self::selectFirst($selected, $condition, $params);
204 * @brief Select rows from the item table for a given user
206 * @param integer $uid User ID
207 * @param array $selected Array of selected fields, empty for all
208 * @param array $condition Array of fields for condition
209 * @param array $params Array of several parameters
211 * @return boolean|object
213 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
215 $params['uid'] = $uid;
217 if (empty($selected)) {
218 $selected = Item::DISPLAY_FIELDLIST;
221 return self::select($selected, $condition, $params);
225 * Retrieve a single record from the item table and returns it in an associative array
227 * @brief Retrieve a single record from a table
228 * @param array $fields
229 * @param array $condition
230 * @param array $params
234 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
236 $params['limit'] = 1;
238 $result = self::select($fields, $condition, $params);
240 if (is_bool($result)) {
243 $row = self::fetch($result);
250 * @brief Select rows from the item table
252 * @param array $selected Array of selected fields, empty for all
253 * @param array $condition Array of fields for condition
254 * @param array $params Array of several parameters
256 * @return boolean|object
258 public static function select(array $selected = [], array $condition = [], $params = [])
263 if (isset($params['uid'])) {
264 $uid = $params['uid'];
268 $fields = self::fieldlist($selected);
270 $select_fields = self::constructSelectFields($fields, $selected);
272 $condition_string = dba::buildCondition($condition);
274 $condition_string = self::addTablesToFields($condition_string, $fields);
277 $condition_string = $condition_string . ' AND ' . self::condition(false);
280 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
282 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
284 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
286 return dba::p($sql, $condition);
290 * @brief Select rows from the starting post in the item table
292 * @param integer $uid User ID
293 * @param array $fields Array of selected fields, empty for all
294 * @param array $condition Array of fields for condition
295 * @param array $params Array of several parameters
297 * @return boolean|object
299 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
301 $params['uid'] = $uid;
303 if (empty($selected)) {
304 $selected = Item::DISPLAY_FIELDLIST;
307 return self::selectThread($selected, $condition, $params);
311 * Retrieve a single record from the starting post in the item table and returns it in an associative array
313 * @brief Retrieve a single record from a table
314 * @param integer $uid User ID
315 * @param array $selected
316 * @param array $condition
317 * @param array $params
321 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
323 $params['uid'] = $uid;
325 if (empty($selected)) {
326 $selected = Item::DISPLAY_FIELDLIST;
329 return self::selectFirstThread($selected, $condition, $params);
333 * Retrieve a single record from the starting post in the item table and returns it in an associative array
335 * @brief Retrieve a single record from a table
336 * @param array $fields
337 * @param array $condition
338 * @param array $params
342 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
344 $params['limit'] = 1;
345 $result = self::selectThread($fields, $condition, $params);
347 if (is_bool($result)) {
350 $row = self::fetch($result);
357 * @brief Select rows from the starting post in the item table
359 * @param array $selected Array of selected fields, empty for all
360 * @param array $condition Array of fields for condition
361 * @param array $params Array of several parameters
363 * @return boolean|object
365 public static function selectThread(array $selected = [], array $condition = [], $params = [])
370 if (isset($params['uid'])) {
371 $uid = $params['uid'];
375 $fields = self::fieldlist($selected);
377 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
378 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
379 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
380 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
382 $select_fields = self::constructSelectFields($fields, $selected);
384 $condition_string = dba::buildCondition($condition);
386 $condition_string = self::addTablesToFields($condition_string, $threadfields);
387 $condition_string = self::addTablesToFields($condition_string, $fields);
390 $condition_string = $condition_string . ' AND ' . self::condition(true);
393 $param_string = dba::buildParameter($params);
394 $param_string = self::addTablesToFields($param_string, $threadfields);
395 $param_string = self::addTablesToFields($param_string, $fields);
397 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
399 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
401 return dba::p($sql, $condition);
405 * @brief Returns a list of fields that are associated with the item table
407 * @return array field list
409 private static function fieldlist($selected)
413 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
414 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
415 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
416 'resource-id', 'event-id', 'tag', 'attach', 'inform',
417 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
418 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
419 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
420 'id' => 'item_id', 'network', 'icid'];
422 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
424 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
425 'thumb' => 'author-avatar', 'nick' => 'author-nick'];
427 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
428 'thumb' => 'owner-avatar', 'nick' => 'owner-nick'];
430 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
431 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
432 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
434 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
436 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
438 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
439 'start' => 'event-start','finish' => 'event-finish',
440 'summary' => 'event-summary','desc' => 'event-desc',
441 'location' => 'event-location', 'type' => 'event-type',
442 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
443 'ignore' => 'event-ignore', 'id' => 'event-id'];
445 $fields['sign'] = ['signed_text', 'signature', 'signer'];
451 * @brief Returns SQL condition for the "select" functions
453 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
455 * @return string SQL condition
457 private static function condition($thread_mode)
460 $master_table = "`thread`";
462 $master_table = "`item`";
464 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
468 * @brief Returns all needed "JOIN" commands for the "select" functions
470 * @param integer $uid User ID
471 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
472 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
474 * @return string The SQL joins for the "select" functions
476 private static function constructJoins($uid, $sql_commands, $thread_mode)
479 $master_table = "`thread`";
480 $master_table_key = "`thread`.`iid`";
481 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
483 $master_table = "`item`";
484 $master_table_key = "`item`.`id`";
488 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
489 AND NOT `contact`.`blocked`
490 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
491 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
492 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
493 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
494 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
495 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
497 if (strpos($sql_commands, "`group_member`.") !== false) {
498 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
501 if (strpos($sql_commands, "`user`.") !== false) {
502 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
505 if (strpos($sql_commands, "`event`.") !== false) {
506 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
509 if (strpos($sql_commands, "`sign`.") !== false) {
510 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
513 if (strpos($sql_commands, "`item-content`.") !== false) {
514 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
517 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
518 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
521 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
522 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
529 * @brief Add the field list for the "select" functions
531 * @param array $fields The field definition array
532 * @param array $selected The array with the selected fields from the "select" functions
534 * @return string The field list
536 private static function constructSelectFields($fields, $selected)
538 // To be able to fetch the tags we need the item id
539 if (in_array('tag', $selected) && !in_array('id', $selected)) {
543 // To be able to fetch the files we need the item id
544 if (in_array('file', $selected) && !in_array('id', $selected)) {
549 foreach ($fields as $table => $table_fields) {
550 foreach ($table_fields as $field => $select) {
551 if (empty($selected) || in_array($select, $selected)) {
552 if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
553 $selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
555 if (is_int($field)) {
556 $selection[] = "`" . $table . "`.`" . $select . "`";
558 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
563 return implode(", ", $selection);
567 * @brief add table definition to fields in an SQL query
569 * @param string $query SQL query
570 * @param array $fields The field definition array
572 * @return string the changed SQL query
574 private static function addTablesToFields($query, $fields)
576 foreach ($fields as $table => $table_fields) {
577 foreach ($table_fields as $alias => $field) {
578 if (is_int($alias)) {
579 $replace_field = $field;
581 $replace_field = $alias;
584 $search = "/([^\.])`" . $field . "`/i";
585 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
586 $query = preg_replace($search, $replace, $query);
593 * @brief Update existing item entries
595 * @param array $fields The fields that are to be changed
596 * @param array $condition The condition for finding the item entries
598 * In the future we may have to change permissions as well.
599 * Then we had to add the user id as third parameter.
601 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
603 * @return integer|boolean number of affected rows - or "false" if there was an error
605 public static function update(array $fields, array $condition)
607 if (empty($condition) || empty($fields)) {
611 // To ensure the data integrity we do it in an transaction
614 // We cannot simply expand the condition to check for origin entries
615 // The condition needn't to be a simple array but could be a complex condition.
616 // And we have to execute this query before the update to ensure to fetch the same data.
617 $items = dba::select('item', ['id', 'origin', 'uri', 'plink'], $condition);
619 $content_fields = [];
620 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
621 if (isset($fields[$field])) {
622 $content_fields[$field] = $fields[$field];
623 unset($fields[$field]);
627 if (array_key_exists('tag', $fields)) {
628 $tags = $fields['tag'];
629 unset($fields['tag']);
634 if (array_key_exists('file', $fields)) {
635 $files = $fields['file'];
636 unset($fields['file']);
641 if (!empty($fields)) {
642 $success = dba::update('item', $fields, $condition);
651 // When there is no content for the "old" item table, this will count the fetched items
652 $rows = dba::affected_rows();
654 while ($item = dba::fetch($items)) {
655 if (!empty($item['plink'])) {
656 $content_fields['plink'] = $item['plink'];
658 self::updateContent($content_fields, ['uri' => $item['uri']]);
661 Term::insertFromTagFieldByItemId($item['id'], $tags);
664 if (!empty($files)) {
665 Term::insertFromFileFieldByItemId($item['id'], $files);
668 self::updateThread($item['id']);
670 // We only need to notfiy others when it is an original entry from us.
671 // Only call the notifier when the item has some content relevant change.
672 if ($item['origin'] && in_array('edited', array_keys($fields))) {
673 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
683 * @brief Delete an item and notify others about it - if it was ours
685 * @param array $condition The condition for finding the item entries
686 * @param integer $priority Priority for the notification
688 public static function delete($condition, $priority = PRIORITY_HIGH)
690 $items = dba::select('item', ['id'], $condition);
691 while ($item = dba::fetch($items)) {
692 self::deleteById($item['id'], $priority);
698 * @brief Delete an item for an user and notify others about it - if it was ours
700 * @param array $condition The condition for finding the item entries
701 * @param integer $uid User who wants to delete this item
703 public static function deleteForUser($condition, $uid)
709 $items = dba::select('item', ['id', 'uid'], $condition);
710 while ($item = dba::fetch($items)) {
711 // "Deleting" global items just means hiding them
712 if ($item['uid'] == 0) {
713 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
714 } elseif ($item['uid'] == $uid) {
715 self::deleteById($item['id'], PRIORITY_HIGH);
717 logger('Wrong ownership. Not deleting item ' . $item['id']);
724 * @brief Delete an item and notify others about it - if it was ours
726 * @param integer $item_id Item ID that should be delete
727 * @param integer $priority Priority for the notification
729 * @return boolean success
731 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
733 // locate item to be deleted
734 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
735 'deleted', 'file', 'resource-id', 'event-id', 'attach',
736 'verb', 'object-type', 'object', 'target', 'contact-id'];
737 $item = self::selectFirst($fields, ['id' => $item_id]);
738 if (!DBM::is_result($item)) {
739 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
743 if ($item['deleted']) {
744 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
748 $parent = self::selectFirst(['origin'], ['id' => $item['parent']]);
749 if (!DBM::is_result($parent)) {
750 $parent = ['origin' => false];
753 // clean up categories and tags so they don't end up as orphans
756 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
758 foreach ($matches as $mtch) {
759 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
765 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
767 foreach ($matches as $mtch) {
768 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
773 * If item is a link to a photo resource, nuke all the associated photos
774 * (visitors will not have photo resources)
775 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
776 * generate a resource-id and therefore aren't intimately linked to the item.
778 if (strlen($item['resource-id'])) {
779 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
782 // If item is a link to an event, delete the event.
783 if (intval($item['event-id'])) {
784 Event::delete($item['event-id']);
787 // If item has attachments, drop them
788 foreach (explode(", ", $item['attach']) as $attach) {
789 preg_match("|attach/(\d+)|", $attach, $matches);
790 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
793 // Delete tags that had been attached to other items
794 self::deleteTagsFromItem($item);
796 // Set the item to "deleted"
797 // This erasing of item content is superfluous for items with a matching item-content.
798 // But for the next time we will still have old content in the item table.
799 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
800 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
801 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
802 dba::update('item', $item_fields, ['id' => $item['id']]);
804 Term::insertFromTagFieldByItemId($item['id'], '');
805 Term::insertFromFileFieldByItemId($item['id'], '');
806 self::deleteThread($item['id'], $item['parent-uri']);
808 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
809 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
812 // If it's the parent of a comment thread, kill all the kids
813 if ($item['id'] == $item['parent']) {
814 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
817 // Is it our comment and/or our thread?
818 if ($item['origin'] || $parent['origin']) {
820 // When we delete the original post we will delete all existing copies on the server as well
821 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
823 // send the notification upstream/downstream
824 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
825 } elseif ($item['uid'] != 0) {
827 // When we delete just our local user copy of an item, we have to set a marker to hide it
828 $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
829 if (DBM::is_result($global_item)) {
830 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
834 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
839 private static function deleteTagsFromItem($item)
841 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
845 $xo = XML::parseString($item["object"], false);
846 $xt = XML::parseString($item["target"], false);
848 if ($xt->type != ACTIVITY_OBJ_NOTE) {
852 $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
853 if (!DBM::is_result($i)) {
857 // For tags, the owner cannot remove the tag on the author's copy of the post.
858 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
859 $author_copy = $item["origin"];
861 if (($owner_remove && $author_copy) || !$owner_remove) {
865 $tags = explode(',', $i["tag"]);
868 foreach ($tags as $tag) {
869 if (trim($tag) !== trim($xo->body)) {
870 $newtags[] = trim($tag);
874 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
877 private static function guid($item, $notify)
879 $guid = notags(trim($item['guid']));
886 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
887 // We add the hash of our own host because our host is the original creator of the post.
888 $prefix_host = get_app()->get_hostname();
892 // We are only storing the post so we create a GUID from the original hostname.
893 if (!empty($item['author-link'])) {
894 $parsed = parse_url($item['author-link']);
895 if (!empty($parsed['host'])) {
896 $prefix_host = $parsed['host'];
900 if (empty($prefix_host) && !empty($item['plink'])) {
901 $parsed = parse_url($item['plink']);
902 if (!empty($parsed['host'])) {
903 $prefix_host = $parsed['host'];
907 if (empty($prefix_host) && !empty($item['uri'])) {
908 $parsed = parse_url($item['uri']);
909 if (!empty($parsed['host'])) {
910 $prefix_host = $parsed['host'];
914 // Is it in the format data@host.tld? - Used for mail contacts
915 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
916 $mailparts = explode('@', $item['author-link']);
917 $prefix_host = array_pop($mailparts);
921 if (!empty($item['plink'])) {
922 $guid = self::guidFromUri($item['plink'], $prefix_host);
923 } elseif (!empty($item['uri'])) {
924 $guid = self::guidFromUri($item['uri'], $prefix_host);
926 $guid = get_guid(32, hash('crc32', $prefix_host));
932 private static function contactId($item)
934 $contact_id = (int)$item["contact-id"];
936 if (!empty($contact_id)) {
939 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
941 * First we are looking for a suitable contact that matches with the author of the post
942 * This is done only for comments
944 if ($item['parent-uri'] != $item['uri']) {
945 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
948 // If not present then maybe the owner was found
949 if ($contact_id == 0) {
950 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
953 // Still missing? Then use the "self" contact of the current user
954 if ($contact_id == 0) {
955 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
956 if (DBM::is_result($self)) {
957 $contact_id = $self["id"];
960 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
965 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
969 // If it is a posting where users should get notifications, then define it as wall posting
972 $item['type'] = 'wall';
974 $item['network'] = NETWORK_DFRN;
975 $item['protocol'] = PROTOCOL_DFRN;
977 if (is_int($notify)) {
980 $priority = PRIORITY_HIGH;
983 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
986 $item['guid'] = self::guid($item, $notify);
987 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
989 // Store conversation data
990 $item = Conversation::insert($item);
993 * If a Diaspora signature structure was passed in, pull it out of the
994 * item array and set it aside for later storage.
998 if (x($item, 'dsprsig')) {
999 $encoded_signature = $item['dsprsig'];
1000 $dsprsig = json_decode(base64_decode($item['dsprsig']));
1001 unset($item['dsprsig']);
1004 if (!empty($item['diaspora_signed_text'])) {
1005 $diaspora_signed_text = $item['diaspora_signed_text'];
1006 unset($item['diaspora_signed_text']);
1008 $diaspora_signed_text = '';
1011 // Converting the plink
1012 /// @TODO Check if this is really still needed
1013 if ($item['network'] == NETWORK_OSTATUS) {
1014 if (isset($item['plink'])) {
1015 $item['plink'] = OStatus::convertHref($item['plink']);
1016 } elseif (isset($item['uri'])) {
1017 $item['plink'] = OStatus::convertHref($item['uri']);
1021 if (!empty($item['thr-parent'])) {
1022 $item['parent-uri'] = $item['thr-parent'];
1025 $item['type'] = defaults($item, 'type', 'remote');
1027 if (isset($item['gravity'])) {
1028 $item['gravity'] = intval($item['gravity']);
1029 } elseif ($item['parent-uri'] === $item['uri']) {
1030 $item['gravity'] = GRAVITY_PARENT;
1031 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
1032 $item['gravity'] = GRAVITY_COMMENT;
1033 } elseif ($item['type'] == 'activity') {
1034 $item['gravity'] = GRAVITY_ACTIVITY;
1036 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
1037 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
1040 $uid = intval($item['uid']);
1042 // check for create date and expire time
1043 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1045 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1046 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1047 $expire_interval = $user['expire'];
1050 if (($expire_interval > 0) && !empty($item['created'])) {
1051 $expire_date = time() - ($expire_interval * 86400);
1052 $created_date = strtotime($item['created']);
1053 if ($created_date < $expire_date) {
1054 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1060 * Do we already have this item?
1061 * We have to check several networks since Friendica posts could be repeated
1062 * via OStatus (maybe Diasporsa as well)
1064 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1065 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1066 trim($item['uri']), $item['uid'],
1067 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1068 $existing = self::selectFirst(['id', 'network'], $condition);
1069 if (DBM::is_result($existing)) {
1070 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1072 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1075 return $existing["id"];
1079 self::addLanguageToItemArray($item);
1081 $item['wall'] = intval(defaults($item, 'wall', 0));
1082 $item['extid'] = trim(defaults($item, 'extid', ''));
1083 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1084 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1085 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1086 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1087 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1088 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1089 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1090 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1091 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1092 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1093 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1094 $item['title'] = trim(defaults($item, 'title', ''));
1095 $item['location'] = trim(defaults($item, 'location', ''));
1096 $item['coord'] = trim(defaults($item, 'coord', ''));
1097 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1098 $item['deleted'] = 0;
1099 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1100 $item['verb'] = trim(defaults($item, 'verb', ''));
1101 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1102 $item['object'] = trim(defaults($item, 'object', ''));
1103 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1104 $item['target'] = trim(defaults($item, 'target', ''));
1105 $item['plink'] = trim(defaults($item, 'plink', ''));
1106 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1107 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1108 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1109 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1110 $item['private'] = intval(defaults($item, 'private', 0));
1111 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1112 $item['body'] = trim(defaults($item, 'body', ''));
1113 $item['tag'] = trim(defaults($item, 'tag', ''));
1114 $item['attach'] = trim(defaults($item, 'attach', ''));
1115 $item['app'] = trim(defaults($item, 'app', ''));
1116 $item['origin'] = intval(defaults($item, 'origin', 0));
1117 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1118 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1119 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1120 $item['inform'] = trim(defaults($item, 'inform', ''));
1121 $item['file'] = trim(defaults($item, 'file', ''));
1123 // When there is no content then we don't post it
1124 if ($item['body'].$item['title'] == '') {
1125 logger('No body, no title.');
1129 // Items cannot be stored before they happen ...
1130 if ($item['created'] > DateTimeFormat::utcNow()) {
1131 $item['created'] = DateTimeFormat::utcNow();
1134 // We haven't invented time travel by now.
1135 if ($item['edited'] > DateTimeFormat::utcNow()) {
1136 $item['edited'] = DateTimeFormat::utcNow();
1139 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1140 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1143 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1145 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1146 $item["contact-id"] = self::contactId($item);
1148 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1149 'photo' => $item['author-avatar'], 'network' => $item['network']];
1151 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1153 if (Contact::isBlocked($item["author-id"])) {
1154 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1158 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1159 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1161 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1163 if (Contact::isBlocked($item["owner-id"])) {
1164 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1168 // These fields aren't stored anymore in the item table, they are fetched upon request
1169 unset($item['author-link']);
1170 unset($item['author-name']);
1171 unset($item['author-avatar']);
1173 unset($item['owner-link']);
1174 unset($item['owner-name']);
1175 unset($item['owner-avatar']);
1177 if ($item['network'] == NETWORK_PHANTOM) {
1178 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1180 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1181 if (!empty($contact['network'])) {
1182 $item['network'] = $contact["network"];
1184 $item['network'] = NETWORK_DFRN;
1186 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1189 // Checking if there is already an item with the same guid
1190 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1191 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1192 if (self::exists($condition)) {
1193 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1197 // Check for hashtags in the body and repair or add hashtag links
1198 self::setHashtags($item);
1200 $item['thr-parent'] = $item['parent-uri'];
1208 if ($item['parent-uri'] === $item['uri']) {
1210 $parent_deleted = 0;
1211 $allow_cid = $item['allow_cid'];
1212 $allow_gid = $item['allow_gid'];
1213 $deny_cid = $item['deny_cid'];
1214 $deny_gid = $item['deny_gid'];
1215 $notify_type = 'wall-new';
1217 // find the parent and snarf the item id and ACLs
1218 // and anything else we need to inherit
1220 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1221 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1222 'wall', 'private', 'forum_mode', 'origin'];
1223 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1224 $params = ['order' => ['id' => false]];
1225 $parent = self::selectFirst($fields, $condition, $params);
1227 if (DBM::is_result($parent)) {
1228 // is the new message multi-level threaded?
1229 // even though we don't support it now, preserve the info
1230 // and re-attach to the conversation parent.
1232 if ($parent['uri'] != $parent['parent-uri']) {
1233 $item['parent-uri'] = $parent['parent-uri'];
1235 $condition = ['uri' => $item['parent-uri'],
1236 'parent-uri' => $item['parent-uri'],
1237 'uid' => $item['uid']];
1238 $params = ['order' => ['id' => false]];
1239 $toplevel_parent = self::selectFirst($fields, $condition, $params);
1241 if (DBM::is_result($toplevel_parent)) {
1242 $parent = $toplevel_parent;
1246 $parent_id = $parent['id'];
1247 $parent_deleted = $parent['deleted'];
1248 $allow_cid = $parent['allow_cid'];
1249 $allow_gid = $parent['allow_gid'];
1250 $deny_cid = $parent['deny_cid'];
1251 $deny_gid = $parent['deny_gid'];
1252 $item['wall'] = $parent['wall'];
1253 $notify_type = 'comment-new';
1256 * If the parent is private, force privacy for the entire conversation
1257 * This differs from the above settings as it subtly allows comments from
1258 * email correspondents to be private even if the overall thread is not.
1260 if ($parent['private']) {
1261 $item['private'] = $parent['private'];
1265 * Edge case. We host a public forum that was originally posted to privately.
1266 * The original author commented, but as this is a comment, the permissions
1267 * weren't fixed up so it will still show the comment as private unless we fix it here.
1269 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1270 $item['private'] = 0;
1273 // If its a post from myself then tag the thread as "mention"
1274 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1275 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1276 if (DBM::is_result($user)) {
1277 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1278 $self_id = Contact::getIdForURL($self, 0, true);
1279 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1280 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1281 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1282 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1287 * Allow one to see reply tweets from status.net even when
1288 * we don't have or can't see the original post.
1290 if ($force_parent) {
1291 logger('$force_parent=true, reply converted to top-level post.');
1293 $item['parent-uri'] = $item['uri'];
1294 $item['gravity'] = GRAVITY_PARENT;
1296 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1300 $parent_deleted = 0;
1304 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1305 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1306 if (self::exists($condition)) {
1307 logger('duplicated item with the same uri found. '.print_r($item,true));
1311 // On Friendica and Diaspora the GUID is unique
1312 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1313 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1314 if (self::exists($condition)) {
1315 logger('duplicated item with the same guid found. '.print_r($item,true));
1319 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1320 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1321 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1322 if (self::exists($condition)) {
1323 logger('duplicated item with the same body found. '.print_r($item,true));
1328 // Is this item available in the global items (with uid=0)?
1329 if ($item["uid"] == 0) {
1330 $item["global"] = true;
1332 // Set the global flag on all items if this was a global item entry
1333 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1335 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1339 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1342 $private = $item['private'];
1345 $item["allow_cid"] = $allow_cid;
1346 $item["allow_gid"] = $allow_gid;
1347 $item["deny_cid"] = $deny_cid;
1348 $item["deny_gid"] = $deny_gid;
1349 $item["private"] = $private;
1350 $item["deleted"] = $parent_deleted;
1352 // Fill the cache field
1353 put_item_in_cache($item);
1356 Addon::callHooks('post_local', $item);
1358 Addon::callHooks('post_remote', $item);
1361 // This array field is used to trigger some automatic reactions
1362 // It is mainly used in the "post_local" hook.
1363 unset($item['api_source']);
1365 if (x($item, 'cancel')) {
1366 logger('post cancelled by addon.');
1371 * Check for already added items.
1372 * There is a timing issue here that sometimes creates double postings.
1373 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1375 if ($item["uid"] == 0) {
1376 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1377 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1382 logger('' . print_r($item,true), LOGGER_DATA);
1384 if (array_key_exists('tag', $item)) {
1385 $tags = $item['tag'];
1386 unset($item['tag']);
1391 if (array_key_exists('file', $item)) {
1392 $files = $item['file'];
1393 unset($item['file']);
1398 // We are doing this outside of the transaction to avoid timing problems
1399 self::insertContent($item);
1402 $ret = dba::insert('item', $item);
1404 // When the item was successfully stored we fetch the ID of the item.
1405 if (DBM::is_result($ret)) {
1406 $current_post = dba::lastInsertId();
1408 // This can happen - for example - if there are locking timeouts.
1411 // Store the data into a spool file so that we can try again later.
1413 // At first we restore the Diaspora signature that we removed above.
1414 if (isset($encoded_signature)) {
1415 $item['dsprsig'] = $encoded_signature;
1418 // Now we store the data in the spool directory
1419 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1420 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1422 $spoolpath = get_spoolpath();
1423 if ($spoolpath != "") {
1424 $spool = $spoolpath.'/'.$file;
1425 file_put_contents($spool, json_encode($item));
1426 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1431 if ($current_post == 0) {
1432 // This is one of these error messages that never should occur.
1433 logger("couldn't find created item - we better quit now.");
1438 // How much entries have we created?
1439 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1440 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1443 // There are duplicates. We delete our just created entry.
1444 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1446 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1447 dba::delete('item', ['id' => $current_post]);
1450 } elseif ($entries == 0) {
1451 // This really should never happen since we quit earlier if there were problems.
1452 logger("Something is terribly wrong. We haven't found our created entry.");
1457 logger('created item '.$current_post);
1458 self::updateContact($item);
1460 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1461 $parent_id = $current_post;
1465 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1467 $item['id'] = $current_post;
1468 $item['parent'] = $parent_id;
1470 // update the commented timestamp on the parent
1471 // Only update "commented" if it is really a comment
1472 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1473 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1475 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1480 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1481 * We can check for this condition when we decode and encode the stuff again.
1483 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1484 $dsprsig->signature = base64_decode($dsprsig->signature);
1485 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1488 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1489 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1492 if (!empty($diaspora_signed_text)) {
1493 // Formerly we stored the signed text, the signature and the author in different fields.
1494 // We now store the raw data so that we are more flexible.
1495 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1498 $deleted = self::tagDeliver($item['uid'], $current_post);
1501 * current post can be deleted if is for a community page and no mention are
1504 if (!$deleted && !$dontcache) {
1505 $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]);
1506 if (DBM::is_result($posted_item)) {
1508 Addon::callHooks('post_local_end', $posted_item);
1510 Addon::callHooks('post_remote_end', $posted_item);
1513 logger('new item not found in DB, id ' . $current_post);
1517 if ($item['parent-uri'] === $item['uri']) {
1518 self::addThread($current_post);
1520 self::updateThread($parent_id);
1526 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1527 * This is not perfect - but a workable solution until we found the reason for the problem.
1529 if (!empty($tags)) {
1530 Term::insertFromTagFieldByItemId($current_post, $tags);
1533 if (!empty($files)) {
1534 Term::insertFromFileFieldByItemId($current_post, $files);
1537 if ($item['parent-uri'] === $item['uri']) {
1538 self::addShadow($current_post);
1540 self::addShadowPost($current_post);
1543 check_user_notification($current_post);
1546 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1547 } elseif (!empty($parent) && $parent['origin']) {
1548 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1551 return $current_post;
1555 * @brief Insert a new item content entry
1557 * @param array $item The item fields that are to be inserted
1559 private static function insertContent(&$item)
1561 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1562 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1564 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1565 if (isset($item[$field])) {
1566 $fields[$field] = $item[$field];
1567 unset($item[$field]);
1571 // To avoid timing problems, we are using locks.
1572 $locked = Lock::set('item_insert_content');
1574 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1577 // Do we already have this content?
1578 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1579 if (DBM::is_result($item_content)) {
1580 $item['icid'] = $item_content['id'];
1581 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1582 } elseif (dba::insert('item-content', $fields)) {
1583 $item['icid'] = dba::lastInsertId();
1584 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1586 // By setting the ICID value through the worker we should avoid timing problems.
1587 // When the locking works, this shouldn't be needed. But better be prepared.
1588 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']);
1589 logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
1592 Lock::remove('item_insert_content');
1597 * @brief Set the item content id for a given URI
1599 * @param string $uri The item URI
1601 public static function setICIDforURI($uri)
1603 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1604 if (DBM::is_result($item_content)) {
1605 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1606 logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows());
1608 logger('No item-content found for URI ' . $uri);
1613 * @brief Update existing item content entries
1615 * @param array $item The item fields that are to be changed
1616 * @param array $condition The condition for finding the item content entries
1618 private static function updateContent($item, $condition)
1620 // We have to select only the fields from the "item-content" table
1622 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1623 if (isset($item[$field])) {
1624 $fields[$field] = $item[$field];
1628 if (empty($fields)) {
1632 if (!empty($item['plink'])) {
1633 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1635 // Ensure that we don't delete the plink
1636 unset($fields['plink']);
1639 logger('Update content for URI ' . $condition['uri']);
1641 dba::update('item-content', $fields, $condition, true);
1645 * @brief Distributes public items to the receivers
1647 * @param integer $itemid Item ID that should be added
1648 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1650 public static function distribute($itemid, $signed_text = '')
1652 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1653 $parent = self::selectFirst(['owner-id'], $condition);
1654 if (!DBM::is_result($parent)) {
1658 // Only distribute public items from native networks
1659 $condition = ['id' => $itemid, 'uid' => 0,
1660 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1661 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1662 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1663 if (!DBM::is_result($item)) {
1668 unset($item['parent']);
1669 unset($item['mention']);
1670 unset($item['wall']);
1671 unset($item['origin']);
1672 unset($item['starred']);
1676 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1677 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1678 $contacts = dba::select('contact', ['uid'], $condition);
1679 while ($contact = dba::fetch($contacts)) {
1680 $users[$contact['uid']] = $contact['uid'];
1685 if ($item['uri'] != $item['parent-uri']) {
1686 $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1687 while ($parent = dba::fetch($parents)) {
1688 $users[$parent['uid']] = $parent['uid'];
1689 if ($parent['origin'] && !$item['origin']) {
1690 $origin_uid = $parent['uid'];
1695 foreach ($users as $uid) {
1696 if ($origin_uid == $uid) {
1697 $item['diaspora_signed_text'] = $signed_text;
1699 self::storeForUser($itemid, $item, $uid);
1704 * @brief Store public items for the receivers
1706 * @param integer $itemid Item ID that should be added
1707 * @param array $item The item entry that will be stored
1708 * @param integer $uid The user that will receive the item entry
1710 private static function storeForUser($itemid, $item, $uid)
1712 $item['uid'] = $uid;
1713 $item['origin'] = 0;
1715 if ($item['uri'] == $item['parent-uri']) {
1716 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1718 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1721 if (empty($item['contact-id'])) {
1722 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1723 if (!DBM::is_result($self)) {
1726 $item['contact-id'] = $self['id'];
1729 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1730 $item['type'] = 'remote-comment';
1731 } elseif ($item['type'] == 'wall') {
1732 $item['type'] = 'remote';
1735 /// @todo Handling of "event-id"
1738 if ($item['uri'] == $item['parent-uri']) {
1739 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1740 if (DBM::is_result($contact)) {
1741 $notify = self::isRemoteSelf($contact, $item);
1745 $distributed = self::insert($item, false, $notify, true);
1747 if (!$distributed) {
1748 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1750 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1755 * @brief Add a shadow entry for a given item id that is a thread starter
1757 * We store every public item entry additionally with the user id "0".
1758 * This is used for the community page and for the search.
1759 * It is planned that in the future we will store public item entries only once.
1761 * @param integer $itemid Item ID that should be added
1763 public static function addShadow($itemid)
1765 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri'];
1766 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1767 $item = self::selectFirst($fields, $condition);
1769 if (!DBM::is_result($item)) {
1773 // is it already a copy?
1774 if (($itemid == 0) || ($item['uid'] == 0)) {
1778 // Is it a visible public post?
1779 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1783 // is it an entry from a connector? Only add an entry for natively connected networks
1784 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1788 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1792 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1794 if (DBM::is_result($item)) {
1795 // Preparing public shadow (removing user specific data)
1798 unset($item['parent']);
1799 unset($item['wall']);
1800 unset($item['mention']);
1801 unset($item['origin']);
1802 unset($item['starred']);
1803 if ($item['uri'] == $item['parent-uri']) {
1804 $item['contact-id'] = $item['owner-id'];
1806 $item['contact-id'] = $item['author-id'];
1809 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1810 $item['type'] = 'remote-comment';
1811 } elseif ($item['type'] == 'wall') {
1812 $item['type'] = 'remote';
1815 $public_shadow = self::insert($item, false, false, true);
1817 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1822 * @brief Add a shadow entry for a given item id that is a comment
1824 * This function does the same like the function above - but for comments
1826 * @param integer $itemid Item ID that should be added
1828 public static function addShadowPost($itemid)
1830 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1831 if (!DBM::is_result($item)) {
1835 // Is it a toplevel post?
1836 if ($item['id'] == $item['parent']) {
1837 self::addShadow($itemid);
1841 // Is this a shadow entry?
1842 if ($item['uid'] == 0) {
1846 // Is there a shadow parent?
1847 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1851 // Is there already a shadow entry?
1852 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1856 // Save "origin" and "parent" state
1857 $origin = $item['origin'];
1858 $parent = $item['parent'];
1860 // Preparing public shadow (removing user specific data)
1863 unset($item['parent']);
1864 unset($item['wall']);
1865 unset($item['mention']);
1866 unset($item['origin']);
1867 unset($item['starred']);
1868 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1870 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1871 $item['type'] = 'remote-comment';
1872 } elseif ($item['type'] == 'wall') {
1873 $item['type'] = 'remote';
1876 $public_shadow = self::insert($item, false, false, true);
1878 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1880 // If this was a comment to a Diaspora post we don't get our comment back.
1881 // This means that we have to distribute the comment by ourselves.
1882 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1883 self::distribute($public_shadow);
1888 * Adds a language specification in a "language" element of given $arr.
1889 * Expects "body" element to exist in $arr.
1891 private static function addLanguageToItemArray(&$item)
1893 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1895 $ld = new Text_LanguageDetect();
1896 $ld->setNameMode(2);
1897 $languages = $ld->detect($naked_body, 3);
1899 if (is_array($languages)) {
1900 $item['language'] = json_encode($languages);
1905 * @brief Creates an unique guid out of a given uri
1907 * @param string $uri uri of an item entry
1908 * @param string $host hostname for the GUID prefix
1909 * @return string unique guid
1911 public static function guidFromUri($uri, $host)
1913 // Our regular guid routine is using this kind of prefix as well
1914 // We have to avoid that different routines could accidentally create the same value
1915 $parsed = parse_url($uri);
1917 // We use a hash of the hostname as prefix for the guid
1918 $guid_prefix = hash("crc32", $host);
1920 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1921 unset($parsed["scheme"]);
1923 // Glue it together to be able to make a hash from it
1924 $host_id = implode("/", $parsed);
1926 // We could use any hash algorithm since it isn't a security issue
1927 $host_hash = hash("ripemd128", $host_id);
1929 return $guid_prefix.$host_hash;
1933 * generate an unique URI
1935 * @param integer $uid User id
1936 * @param string $guid An existing GUID (Otherwise it will be generated)
1940 public static function newURI($uid, $guid = "")
1943 $guid = get_guid(32);
1946 $hostname = self::getApp()->get_hostname();
1948 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1950 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1956 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1958 * This can be used to filter for inactive contacts.
1959 * Only do this for public postings to avoid privacy problems, since poco data is public.
1960 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1962 * @param array $arr Contains the just posted item record
1964 private static function updateContact($arr)
1966 // Unarchive the author
1967 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1968 if (DBM::is_result($contact)) {
1969 Contact::unmarkForArchival($contact);
1972 // Unarchive the contact if it's not our own contact
1973 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1974 if (DBM::is_result($contact)) {
1975 Contact::unmarkForArchival($contact);
1978 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1980 // Is it a forum? Then we don't care about the rules from above
1981 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1982 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1988 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1989 ['id' => $arr['contact-id']]);
1991 // Now do the same for the system wide contacts with uid=0
1992 if (!$arr['private']) {
1993 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1994 ['id' => $arr['owner-id']]);
1996 if ($arr['owner-id'] != $arr['author-id']) {
1997 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1998 ['id' => $arr['author-id']]);
2003 public static function setHashtags(&$item)
2006 $tags = get_tags($item["body"]);
2009 if (!count($tags)) {
2013 // This sorting is important when there are hashtags that are part of other hashtags
2014 // Otherwise there could be problems with hashtags like #test and #test2
2017 $URLSearchString = "^\[\]";
2019 // All hashtags should point to the home server if "local_tags" is activated
2020 if (Config::get('system', 'local_tags')) {
2021 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2022 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
2024 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2025 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
2028 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
2029 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2031 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
2034 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
2036 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
2039 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
2041 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
2044 // Repair recursive urls
2045 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
2046 "#$2", $item["body"]);
2048 foreach ($tags as $tag) {
2049 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2053 $basetag = str_replace('_',' ',substr($tag,1));
2055 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2057 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2059 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2060 if (strlen($item["tag"])) {
2061 $item["tag"] = ','.$item["tag"];
2063 $item["tag"] = $newtag.$item["tag"];
2067 // Convert back the masked hashtags
2068 $item["body"] = str_replace("#", "#", $item["body"]);
2071 public static function getGuidById($id)
2073 $item = self::selectFirst(['guid'], ['id' => $id]);
2074 if (DBM::is_result($item)) {
2075 return $item['guid'];
2081 public static function getIdAndNickByGuid($guid, $uid = 0)
2087 $uid == local_user();
2090 // Does the given user have this item?
2092 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2093 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2094 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2095 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2096 if (DBM::is_result($item)) {
2098 $nick = $item["nickname"];
2102 // Or is it anywhere on the server?
2104 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2105 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2106 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2107 AND NOT `item`.`private` AND `item`.`wall`
2108 AND `item`.`guid` = ?", $guid);
2109 if (DBM::is_result($item)) {
2111 $nick = $item["nickname"];
2114 return ["nick" => $nick, "id" => $id];
2118 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2120 * @param int $item_id
2121 * @return bool true if item was deleted, else false
2123 private static function tagDeliver($uid, $item_id)
2127 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2128 if (!DBM::is_result($user)) {
2132 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2133 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2135 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]);
2136 if (!DBM::is_result($item)) {
2140 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2143 * Diaspora uses their own hardwired link URL in @-tags
2144 * instead of the one we supply with webfinger
2146 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2148 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2150 foreach ($matches as $mtch) {
2151 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2153 logger('mention found: ' . $mtch[2]);
2159 if (($community_page || $prvgroup) &&
2160 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2161 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2163 logger("no-mention top-level post to community or private group. delete.");
2164 dba::delete('item', ['id' => $item_id]);
2170 $arr = ['item' => $item, 'user' => $user];
2172 Addon::callHooks('tagged', $arr);
2174 if (!$community_page && !$prvgroup) {
2179 * tgroup delivery - setup a second delivery chain
2180 * prevent delivery looping - only proceed
2181 * if the message originated elsewhere and is a top-level post
2183 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2187 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2188 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2189 if (!DBM::is_result($self)) {
2193 $owner_id = Contact::getIdForURL($self['url']);
2195 // also reset all the privacy bits to the forum default permissions
2197 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2199 $forum_mode = ($prvgroup ? 2 : 1);
2201 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2202 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2203 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2204 dba::update('item', $fields, ['id' => $item_id]);
2206 self::updateThread($item_id);
2208 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2211 public static function isRemoteSelf($contact, &$datarray)
2215 if (!$contact['remote_self']) {
2219 // Prevent the forwarding of posts that are forwarded
2220 if ($datarray["extid"] == NETWORK_DFRN) {
2221 logger('Already forwarded', LOGGER_DEBUG);
2225 // Prevent to forward already forwarded posts
2226 if ($datarray["app"] == $a->get_hostname()) {
2227 logger('Already forwarded (second test)', LOGGER_DEBUG);
2231 // Only forward posts
2232 if ($datarray["verb"] != ACTIVITY_POST) {
2233 logger('No post', LOGGER_DEBUG);
2237 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2238 logger('Not public', LOGGER_DEBUG);
2242 $datarray2 = $datarray;
2243 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2244 if ($contact['remote_self'] == 2) {
2245 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2246 ['uid' => $contact['uid'], 'self' => true]);
2247 if (DBM::is_result($self)) {
2248 $datarray['contact-id'] = $self["id"];
2250 $datarray['owner-name'] = $self["name"];
2251 $datarray['owner-link'] = $self["url"];
2252 $datarray['owner-avatar'] = $self["thumb"];
2254 $datarray['author-name'] = $datarray['owner-name'];
2255 $datarray['author-link'] = $datarray['owner-link'];
2256 $datarray['author-avatar'] = $datarray['owner-avatar'];
2258 unset($datarray['created']);
2259 unset($datarray['edited']);
2261 unset($datarray['network']);
2262 unset($datarray['owner-id']);
2263 unset($datarray['author-id']);
2266 if ($contact['network'] != NETWORK_FEED) {
2267 $datarray["guid"] = get_guid(32);
2268 unset($datarray["plink"]);
2269 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2270 $datarray["parent-uri"] = $datarray["uri"];
2271 $datarray["thr-parent"] = $datarray["uri"];
2272 $datarray["extid"] = NETWORK_DFRN;
2273 $urlpart = parse_url($datarray2['author-link']);
2274 $datarray["app"] = $urlpart["host"];
2276 $datarray['private'] = 0;
2280 if ($contact['network'] != NETWORK_FEED) {
2281 // Store the original post
2282 $result = self::insert($datarray2, false, false);
2283 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2285 $datarray["app"] = "Feed";
2289 // Trigger automatic reactions for addons
2290 $datarray['api_source'] = true;
2292 // We have to tell the hooks who we are - this really should be improved
2293 $_SESSION["authenticated"] = true;
2294 $_SESSION["uid"] = $contact['uid'];
2303 * @param array $item
2307 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2309 if (Config::get('system', 'disable_embedded')) {
2313 logger('check for photos', LOGGER_DEBUG);
2314 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2319 $img_start = strpos($orig_body, '[img');
2320 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2321 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2323 while (($img_st_close !== false) && ($img_len !== false)) {
2324 $img_st_close++; // make it point to AFTER the closing bracket
2325 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2327 logger('found photo ' . $image, LOGGER_DEBUG);
2329 if (stristr($image, $site . '/photo/')) {
2330 // Only embed locally hosted photos
2332 $i = basename($image);
2333 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2334 $x = strpos($i, '-');
2337 $res = substr($i, $x + 1);
2338 $i = substr($i, 0, $x);
2339 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2340 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2341 if (DBM::is_result($photo)) {
2343 * Check to see if we should replace this photo link with an embedded image
2344 * 1. No need to do so if the photo is public
2345 * 2. If there's a contact-id provided, see if they're in the access list
2346 * for the photo. If so, embed it.
2347 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2348 * permissions, regardless of order but first check to see if they're an exact
2349 * match to save some processing overhead.
2351 if (self::hasPermissions($photo)) {
2353 $recips = self::enumeratePermissions($photo);
2354 if (in_array($cid, $recips)) {
2358 if (self::samePermissions($item, $photo)) {
2364 $data = $photo['data'];
2365 $type = $photo['type'];
2367 // If a custom width and height were specified, apply before embedding
2368 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2369 logger('scaling photo', LOGGER_DEBUG);
2371 $width = intval($match[1]);
2372 $height = intval($match[2]);
2374 $Image = new Image($data, $type);
2375 if ($Image->isValid()) {
2376 $Image->scaleDown(max($width, $height));
2377 $data = $Image->asString();
2378 $type = $Image->getType();
2382 logger('replacing photo', LOGGER_DEBUG);
2383 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2384 logger('replaced: ' . $image, LOGGER_DATA);
2390 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2391 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2392 if ($orig_body === false) {
2396 $img_start = strpos($orig_body, '[img');
2397 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2398 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2401 $new_body = $new_body . $orig_body;
2406 private static function hasPermissions($obj)
2408 return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) ||
2409 !empty($obj['deny_cid']) || !empty($obj['deny_gid']);
2412 private static function samePermissions($obj1, $obj2)
2414 // first part is easy. Check that these are exactly the same.
2415 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2416 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2417 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2418 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2422 // This is harder. Parse all the permissions and compare the resulting set.
2423 $recipients1 = self::enumeratePermissions($obj1);
2424 $recipients2 = self::enumeratePermissions($obj2);
2428 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2429 return ($recipients1 == $recipients2);
2432 // returns an array of contact-ids that are allowed to see this object
2433 private static function enumeratePermissions($obj)
2435 $allow_people = expand_acl($obj['allow_cid']);
2436 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2437 $deny_people = expand_acl($obj['deny_cid']);
2438 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2439 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2440 $deny = array_unique(array_merge($deny_people, $deny_groups));
2441 $recipients = array_diff($recipients, $deny);
2445 public static function getFeedTags($item)
2449 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2451 for ($x = 0; $x < $cnt; $x ++) {
2452 if ($matches[1][$x]) {
2453 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2458 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2460 for ($x = 0; $x < $cnt; $x ++) {
2461 if ($matches[1][$x]) {
2462 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2469 public static function expire($uid, $days, $network = "", $force = false)
2471 if (!$uid || ($days < 1)) {
2475 $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?",
2476 $uid, GRAVITY_PARENT];
2479 * $expire_network_only = save your own wall posts
2480 * and just expire conversations started by others
2482 $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false);
2484 if ($expire_network_only) {
2485 $condition[0] .= " AND NOT `wall`";
2488 if ($network != "") {
2489 $condition[0] .= " AND `network` = ?";
2490 $condition[] = $network;
2493 * There is an index "uid_network_received" but not "uid_network_created"
2494 * This avoids the creation of another index just for one purpose.
2495 * And it doesn't really matter wether to look at "received" or "created"
2497 $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2498 $condition[] = $days;
2500 $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY";
2501 $condition[] = $days;
2504 $items = self::select(['file', 'resource-id', 'starred', 'type', 'id'], $condition);
2506 if (!DBM::is_result($items)) {
2510 $expire_items = PConfig::get($uid, 'expire', 'items', true);
2512 // Forcing expiring of items - but not notes and marked items
2514 $expire_items = true;
2517 $expire_notes = PConfig::get($uid, 'expire', 'notes', true);
2518 $expire_starred = PConfig::get($uid, 'expire', 'starred', true);
2519 $expire_photos = PConfig::get($uid, 'expire', 'photos', false);
2521 logger('User ' . $uid . ": expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2523 while ($item = Item::fetch($items)) {
2524 // don't expire filed items
2526 if (strpos($item['file'], '[') !== false) {
2530 // Only expire posts, not photos and photo comments
2532 if (!$expire_photos && strlen($item['resource-id'])) {
2534 } elseif (!$expire_starred && intval($item['starred'])) {
2536 } elseif (!$expire_notes && $item['type'] == 'note') {
2538 } elseif (!$expire_items && $item['type'] != 'note') {
2542 self::deleteById($item['id'], PRIORITY_LOW);
2547 public static function firstPostDate($uid, $wall = false)
2549 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2550 $params = ['order' => ['created' => false]];
2551 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2552 if (DBM::is_result($thread)) {
2553 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2559 * @brief add/remove activity to an item
2561 * Toggle activities as like,dislike,attend of an item
2563 * @param string $item_id
2564 * @param string $verb
2565 * Activity verb. One of
2566 * like, unlike, dislike, undislike, attendyes, unattendyes,
2567 * attendno, unattendno, attendmaybe, unattendmaybe
2568 * @hook 'post_local_end'
2570 * 'post_id' => ID of posted item
2572 public static function performLike($item_id, $verb)
2574 if (!local_user() && !remote_user()) {
2581 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2582 $activity = ACTIVITY_LIKE;
2586 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2587 $activity = ACTIVITY_DISLIKE;
2591 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2592 $activity = ACTIVITY_ATTEND;
2596 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2597 $activity = ACTIVITY_ATTENDNO;
2600 case 'unattendmaybe':
2601 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2602 $activity = ACTIVITY_ATTENDMAYBE;
2605 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2609 // Enable activity toggling instead of on/off
2610 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2612 logger('like: verb ' . $verb . ' item ' . $item_id);
2614 $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2615 if (!DBM::is_result($item)) {
2616 logger('like: unknown item ' . $item_id);
2620 $uid = $item['uid'];
2621 if (($uid == 0) && local_user()) {
2622 $uid = local_user();
2625 if (!can_write_wall($uid)) {
2626 logger('like: unable to write on wall ' . $uid);
2630 // Retrieves the local post owner
2631 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2632 if (!DBM::is_result($owner_self_contact)) {
2633 logger('like: unknown owner ' . $uid);
2637 // Retrieve the current logged in user's public contact
2638 $author_id = public_contact();
2640 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2641 if (!DBM::is_result($author_contact)) {
2642 logger('like: unknown author ' . $author_id);
2646 // Contact-id is the uid-dependant author contact
2647 if (local_user() == $uid) {
2648 $item_contact_id = $owner_self_contact['id'];
2649 $item_contact = $owner_self_contact;
2651 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2652 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2653 if (!DBM::is_result($item_contact)) {
2654 logger('like: unknown item contact ' . $item_contact_id);
2659 // Look for an existing verb row
2660 // event participation are essentially radio toggles. If you make a subsequent choice,
2661 // we need to eradicate your first choice.
2662 if ($event_verb_flag) {
2663 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2668 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2669 'author-id' => $author_contact['id'], 'uid' => item['uid']];
2671 $condition = array_merge($base_condition, ['parent' => $item_id]);
2672 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2674 if (!DBM::is_result($like_item)) {
2675 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2676 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2679 if (!DBM::is_result($like_item)) {
2680 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2681 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2684 // If it exists, mark it as deleted
2685 if (DBM::is_result($like_item)) {
2686 // Already voted, undo it
2687 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2688 /// @todo Consider using self::update - but before doing so, check the side effects
2689 dba::update('item', $fields, ['id' => $like_item['id']]);
2691 // Clean up the Diaspora signatures for this like
2692 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2693 // if it had been enabled in the past
2694 dba::delete('sign', ['iid' => $like_item['id']]);
2696 $like_item_id = $like_item['id'];
2697 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2699 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2704 // Verb is "un-something", just trying to delete existing entries
2705 if (strpos($verb, 'un') === 0) {
2709 // Else or if event verb different from existing row, create a new item row
2710 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2711 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2712 $post_type = L10n::t('event');
2714 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2715 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2716 $body = $item['body'];
2721 <type>$objtype</type>
2723 <id>{$item['uri']}</id>
2726 <content>$body</content>
2730 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2731 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2732 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2735 'guid' => get_guid(32),
2736 'uri' => self::newURI($item['uid']),
2737 'uid' => $item['uid'],
2738 'contact-id' => $item_contact_id,
2739 'type' => 'activity',
2740 'wall' => $item['wall'],
2742 'gravity' => GRAVITY_ACTIVITY,
2743 'parent' => $item['id'],
2744 'parent-uri' => $item['uri'],
2745 'thr-parent' => $item['uri'],
2746 'owner-id' => $item['owner-id'],
2747 'owner-name' => $item['owner-name'],
2748 'owner-link' => $item['owner-link'],
2749 'owner-avatar' => $item['owner-avatar'],
2750 'author-id' => $author_contact['id'],
2751 'author-name' => $author_contact['name'],
2752 'author-link' => $author_contact['url'],
2753 'author-avatar' => $author_contact['thumb'],
2754 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2755 'verb' => $activity,
2756 'object-type' => $objtype,
2758 'allow_cid' => $item['allow_cid'],
2759 'allow_gid' => $item['allow_gid'],
2760 'deny_cid' => $item['deny_cid'],
2761 'deny_gid' => $item['deny_gid'],
2766 $new_item_id = self::insert($new_item);
2768 // If the parent item isn't visible then set it to visible
2769 if (!$item['visible']) {
2770 self::update(['visible' => true], ['id' => $item['id']]);
2773 // Save the author information for the like in case we need to relay to Diaspora
2774 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2776 $new_item['id'] = $new_item_id;
2778 Addon::callHooks('post_local_end', $new_item);
2780 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2785 private static function addThread($itemid, $onlyshadow = false)
2787 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2788 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2789 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2790 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2791 $item = self::selectFirst($fields, $condition);
2793 if (!DBM::is_result($item)) {
2797 $item['iid'] = $itemid;
2800 $result = dba::insert('thread', $item);
2802 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2806 private static function updateThread($itemid, $setmention = false)
2808 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
2809 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2810 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2811 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2813 $item = self::selectFirst($fields, $condition);
2814 if (!DBM::is_result($item)) {
2819 $item["mention"] = 1;
2826 foreach ($item as $field => $data) {
2827 if (!in_array($field, ["guid"])) {
2828 $fields[$field] = $data;
2832 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2834 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2837 private static function deleteThread($itemid, $itemuri = "")
2839 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2840 if (!DBM::is_result($item)) {
2841 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2845 // Using dba::delete at this time could delete the associated item entries
2846 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2848 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2850 if ($itemuri != "") {
2851 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2852 if (!self::exists($condition)) {
2853 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2854 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);