4 * @file src/Model/Item.php
7 namespace Friendica\Model;
9 use Friendica\BaseObject;
10 use Friendica\Content\Text;
11 use Friendica\Core\Addon;
12 use Friendica\Core\Config;
13 use Friendica\Core\L10n;
14 use Friendica\Core\PConfig;
15 use Friendica\Core\System;
16 use Friendica\Core\Worker;
17 use Friendica\Database\DBM;
18 use Friendica\Model\Contact;
19 use Friendica\Model\Conversation;
20 use Friendica\Model\Group;
21 use Friendica\Model\Term;
22 use Friendica\Object\Image;
23 use Friendica\Protocol\Diaspora;
24 use Friendica\Protocol\OStatus;
25 use Friendica\Util\DateTimeFormat;
26 use Friendica\Util\XML;
28 use Text_LanguageDetect;
30 require_once 'boot.php';
31 require_once 'include/items.php';
32 require_once 'include/text.php';
34 class Item extends BaseObject
36 // Field list that is used to display the items
37 const DISPLAY_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid', 'network',
38 'commented', 'created', 'edited', 'received', 'verb', 'object-type', 'postopts', 'plink',
39 'wall', 'private', 'starred', 'origin', 'title', 'body', 'file', 'attach',
40 'content-warning', 'location', 'coord', 'app', 'rendered-hash', 'rendered-html', 'object',
41 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'item_id',
42 'author-id', 'author-link', 'author-name', 'author-avatar',
43 'owner-id', 'owner-link', 'owner-name', 'owner-avatar',
44 'contact-id', 'contact-link', 'contact-name', 'contact-avatar',
45 'writable', 'self', 'cid', 'alias',
46 'event-id', 'event-created', 'event-edited', 'event-start', 'event-finish',
47 'event-summary', 'event-desc', 'event-location', 'event-type',
48 'event-nofinish', 'event-adjust', 'event-ignore', 'event-id'];
50 // Field list that is used to deliver items via the protocols
51 const DELIVER_FIELDLIST = ['uid', 'id', 'parent', 'uri', 'thr-parent', 'parent-uri', 'guid',
52 'created', 'edited', 'verb', 'object-type', 'object', 'target',
53 'private', 'title', 'body', 'location', 'coord', 'app',
54 'attach', 'tag', 'bookmark', 'deleted', 'extid',
55 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
56 'author-id', 'author-link', 'owner-link', 'contact-uid',
57 'signed_text', 'signature', 'signer'];
59 // Field list for "item-content" table that is mixed with the item table
60 const CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
61 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
62 'object-type', 'object', 'target-type', 'target'];
64 // All fields in the item table
65 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
66 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid',
67 'created', 'edited', 'commented', 'received', 'changed', 'verb',
68 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
69 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
70 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
71 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
72 'title', 'content-warning', 'body', 'location', 'coord', 'app',
73 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
74 'author-id', 'author-link', 'author-name', 'author-avatar',
75 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
78 * @brief Fetch a single item row
80 * @param mixed $stmt statement object
81 * @return array current row
83 public static function fetch($stmt)
85 $row = dba::fetch($stmt);
87 // Fetch data from the item-content table whenever there is content there
88 foreach (self::CONTENT_FIELDLIST as $field) {
89 if (empty($row[$field]) && !empty($row['item-' . $field])) {
90 $row[$field] = $row['item-' . $field];
92 unset($row['item-' . $field]);
95 // We prefer the data from the user's contact over the public one
96 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
97 ($row['author-link'] == $row['contact-link'])) {
98 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
99 $row['author-avatar'] = $row['contact-avatar'];
101 if (isset($row['author-name']) && !empty($row['contact-name'])) {
102 $row['author-name'] = $row['contact-name'];
106 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
107 ($row['owner-link'] == $row['contact-link'])) {
108 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
109 $row['owner-avatar'] = $row['contact-avatar'];
111 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
112 $row['owner-name'] = $row['contact-name'];
116 // We can always comment on posts from these networks
117 if (isset($row['writable']) && !empty($row['network']) &&
118 in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
119 $row['writable'] = true;
126 * @brief Fills an array with data from an item query
128 * @param object $stmt statement object
129 * @return array Data array
131 public static function inArray($stmt, $do_close = true) {
132 if (is_bool($stmt)) {
137 while ($row = self::fetch($stmt)) {
147 * @brief Check if item data exists
149 * @param array $condition array of fields for condition
151 * @return boolean Are there rows for that condition?
153 public static function exists($condition) {
154 $stmt = self::select(['id'], $condition, ['limit' => 1]);
156 if (is_bool($stmt)) {
159 $retval = (dba::num_rows($stmt) > 0);
168 * Retrieve a single record from the item table for a given user and returns it in an associative array
170 * @brief Retrieve a single record from a table
171 * @param integer $uid User ID
172 * @param array $fields
173 * @param array $condition
174 * @param array $params
178 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
180 $params['uid'] = $uid;
182 if (empty($selected)) {
183 $selected = Item::DISPLAY_FIELDLIST;
186 return self::selectFirst($selected, $condition, $params);
190 * @brief Select rows from the item table for a given user
192 * @param integer $uid User ID
193 * @param array $selected Array of selected fields, empty for all
194 * @param array $condition Array of fields for condition
195 * @param array $params Array of several parameters
197 * @return boolean|object
199 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
201 $params['uid'] = $uid;
203 if (empty($selected)) {
204 $selected = Item::DISPLAY_FIELDLIST;
207 return self::select($selected, $condition, $params);
211 * Retrieve a single record from the item table and returns it in an associative array
213 * @brief Retrieve a single record from a table
214 * @param array $fields
215 * @param array $condition
216 * @param array $params
220 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
222 $params['limit'] = 1;
224 $result = self::select($fields, $condition, $params);
226 if (is_bool($result)) {
229 $row = self::fetch($result);
236 * @brief Select rows from the item table
238 * @param array $selected Array of selected fields, empty for all
239 * @param array $condition Array of fields for condition
240 * @param array $params Array of several parameters
242 * @return boolean|object
244 public static function select(array $selected = [], array $condition = [], $params = [])
249 if (isset($params['uid'])) {
250 $uid = $params['uid'];
254 $fields = self::fieldlist($selected);
256 $select_fields = self::constructSelectFields($fields, $selected);
258 $condition_string = dba::buildCondition($condition);
260 $condition_string = self::addTablesToFields($condition_string, $fields);
263 $condition_string = $condition_string . ' AND ' . self::condition(false);
266 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
268 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
270 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
272 return dba::p($sql, $condition);
276 * @brief Select rows from the starting post in the item table
278 * @param integer $uid User ID
279 * @param array $fields Array of selected fields, empty for all
280 * @param array $condition Array of fields for condition
281 * @param array $params Array of several parameters
283 * @return boolean|object
285 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
287 $params['uid'] = $uid;
289 if (empty($selected)) {
290 $selected = Item::DISPLAY_FIELDLIST;
293 return self::selectThread($selected, $condition, $params);
297 * Retrieve a single record from the starting post in the item table and returns it in an associative array
299 * @brief Retrieve a single record from a table
300 * @param integer $uid User ID
301 * @param array $selected
302 * @param array $condition
303 * @param array $params
307 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
309 $params['uid'] = $uid;
311 if (empty($selected)) {
312 $selected = Item::DISPLAY_FIELDLIST;
315 return self::selectFirstThread($selected, $condition, $params);
319 * Retrieve a single record from the starting post in the item table and returns it in an associative array
321 * @brief Retrieve a single record from a table
322 * @param array $fields
323 * @param array $condition
324 * @param array $params
328 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
330 $params['limit'] = 1;
331 $result = self::selectThread($fields, $condition, $params);
333 if (is_bool($result)) {
336 $row = self::fetch($result);
343 * @brief Select rows from the starting post in the item table
345 * @param array $selected Array of selected fields, empty for all
346 * @param array $condition Array of fields for condition
347 * @param array $params Array of several parameters
349 * @return boolean|object
351 public static function selectThread(array $selected = [], array $condition = [], $params = [])
356 if (isset($params['uid'])) {
357 $uid = $params['uid'];
361 $fields = self::fieldlist($selected);
363 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
364 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
365 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
366 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
368 $select_fields = self::constructSelectFields($fields, $selected);
370 $condition_string = dba::buildCondition($condition);
372 $condition_string = self::addTablesToFields($condition_string, $threadfields);
373 $condition_string = self::addTablesToFields($condition_string, $fields);
376 $condition_string = $condition_string . ' AND ' . self::condition(true);
379 $param_string = dba::buildParameter($params);
380 $param_string = self::addTablesToFields($param_string, $threadfields);
381 $param_string = self::addTablesToFields($param_string, $fields);
383 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
385 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
387 return dba::p($sql, $condition);
391 * @brief Returns a list of fields that are associated with the item table
393 * @return array field list
395 private static function fieldlist($selected)
399 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
400 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
401 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
402 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
403 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
404 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
405 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
406 'id' => 'item_id', 'network', 'icid'];
408 $fields['item-content'] = self::CONTENT_FIELDLIST;
410 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
411 'thumb' => 'author-avatar', 'nick' => 'author-nick'];
413 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
414 'thumb' => 'owner-avatar', 'nick' => 'owner-nick'];
416 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
417 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
418 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
420 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
422 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
424 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
425 'start' => 'event-start','finish' => 'event-finish',
426 'summary' => 'event-summary','desc' => 'event-desc',
427 'location' => 'event-location', 'type' => 'event-type',
428 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
429 'ignore' => 'event-ignore', 'id' => 'event-id'];
431 $fields['sign'] = ['signed_text', 'signature', 'signer'];
437 * @brief Returns SQL condition for the "select" functions
439 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
441 * @return string SQL condition
443 private static function condition($thread_mode)
446 $master_table = "`thread`";
448 $master_table = "`item`";
450 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
454 * @brief Returns all needed "JOIN" commands for the "select" functions
456 * @param integer $uid User ID
457 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
458 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
460 * @return string The SQL joins for the "select" functions
462 private static function constructJoins($uid, $sql_commands, $thread_mode)
465 $master_table = "`thread`";
466 $master_table_key = "`thread`.`iid`";
467 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
469 $master_table = "`item`";
470 $master_table_key = "`item`.`id`";
474 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
475 AND NOT `contact`.`blocked`
476 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
477 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
478 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
479 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
480 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
481 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
483 if (strpos($sql_commands, "`group_member`.") !== false) {
484 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
487 if (strpos($sql_commands, "`user`.") !== false) {
488 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
491 if (strpos($sql_commands, "`event`.") !== false) {
492 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
495 if (strpos($sql_commands, "`sign`.") !== false) {
496 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
499 if (strpos($sql_commands, "`item-content`.") !== false) {
500 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
503 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
504 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
507 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
508 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
515 * @brief Add the field list for the "select" functions
517 * @param array $fields The field definition array
518 * @param array $selected The array with the selected fields from the "select" functions
520 * @return string The field list
522 private static function constructSelectFields($fields, $selected)
525 foreach ($fields as $table => $table_fields) {
526 foreach ($table_fields as $field => $select) {
527 if (empty($selected) || in_array($select, $selected)) {
528 if (in_array($select, self::CONTENT_FIELDLIST)) {
529 $selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
531 if (is_int($field)) {
532 $selection[] = "`" . $table . "`.`" . $select . "`";
534 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
539 return implode(", ", $selection);
543 * @brief add table definition to fields in an SQL query
545 * @param string $query SQL query
546 * @param array $fields The field definition array
548 * @return string the changed SQL query
550 private static function addTablesToFields($query, $fields)
552 foreach ($fields as $table => $table_fields) {
553 foreach ($table_fields as $alias => $field) {
554 if (is_int($alias)) {
555 $replace_field = $field;
557 $replace_field = $alias;
560 $search = "/([^\.])`" . $field . "`/i";
561 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
562 $query = preg_replace($search, $replace, $query);
569 * @brief Update existing item entries
571 * @param array $fields The fields that are to be changed
572 * @param array $condition The condition for finding the item entries
574 * In the future we may have to change permissions as well.
575 * Then we had to add the user id as third parameter.
577 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
579 * @return integer|boolean number of affected rows - or "false" if there was an error
581 public static function update(array $fields, array $condition)
583 if (empty($condition) || empty($fields)) {
587 // To ensure the data integrity we do it in an transaction
590 // We cannot simply expand the condition to check for origin entries
591 // The condition needn't to be a simple array but could be a complex condition.
592 // And we have to execute this query before the update to ensure to fetch the same data.
593 $items = dba::select('item', ['id', 'origin', 'uri', 'plink'], $condition);
595 $content_fields = [];
596 foreach (self::CONTENT_FIELDLIST as $field) {
597 if (isset($fields[$field])) {
598 $content_fields[$field] = $fields[$field];
599 unset($fields[$field]);
603 if (!empty($fields)) {
604 $success = dba::update('item', $fields, $condition);
613 // When there is no content for the "old" item table, this will count the fetched items
614 $rows = dba::affected_rows();
616 while ($item = dba::fetch($items)) {
617 if (!empty($item['plink'])) {
618 $content_fields['plink'] = $item['plink'];
620 self::updateContent($content_fields, ['uri' => $item['uri']]);
621 Term::insertFromTagFieldByItemId($item['id']);
622 Term::insertFromFileFieldByItemId($item['id']);
623 self::updateThread($item['id']);
625 // We only need to notfiy others when it is an original entry from us.
626 // Only call the notifier when the item has some content relevant change.
627 if ($item['origin'] && in_array('edited', array_keys($fields))) {
628 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
638 * @brief Delete an item and notify others about it - if it was ours
640 * @param array $condition The condition for finding the item entries
641 * @param integer $priority Priority for the notification
643 public static function delete($condition, $priority = PRIORITY_HIGH)
645 $items = dba::select('item', ['id'], $condition);
646 while ($item = dba::fetch($items)) {
647 self::deleteById($item['id'], $priority);
653 * @brief Delete an item for an user and notify others about it - if it was ours
655 * @param array $condition The condition for finding the item entries
656 * @param integer $uid User who wants to delete this item
658 public static function deleteForUser($condition, $uid)
664 $items = dba::select('item', ['id', 'uid'], $condition);
665 while ($item = dba::fetch($items)) {
666 // "Deleting" global items just means hiding them
667 if ($item['uid'] == 0) {
668 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
669 } elseif ($item['uid'] == $uid) {
670 self::deleteById($item['id'], PRIORITY_HIGH);
672 logger('Wrong ownership. Not deleting item ' . $item['id']);
679 * @brief Delete an item and notify others about it - if it was ours
681 * @param integer $item_id Item ID that should be delete
682 * @param integer $priority Priority for the notification
684 * @return boolean success
686 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
688 // locate item to be deleted
689 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
690 'deleted', 'file', 'resource-id', 'event-id', 'attach',
691 'verb', 'object-type', 'object', 'target', 'contact-id'];
692 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
693 if (!DBM::is_result($item)) {
694 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
698 if ($item['deleted']) {
699 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
703 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
704 if (!DBM::is_result($parent)) {
705 $parent = ['origin' => false];
708 // clean up categories and tags so they don't end up as orphans
711 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
713 foreach ($matches as $mtch) {
714 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
720 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
722 foreach ($matches as $mtch) {
723 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
728 * If item is a link to a photo resource, nuke all the associated photos
729 * (visitors will not have photo resources)
730 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
731 * generate a resource-id and therefore aren't intimately linked to the item.
733 if (strlen($item['resource-id'])) {
734 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
737 // If item is a link to an event, delete the event.
738 if (intval($item['event-id'])) {
739 Event::delete($item['event-id']);
742 // If item has attachments, drop them
743 foreach (explode(", ", $item['attach']) as $attach) {
744 preg_match("|attach/(\d+)|", $attach, $matches);
745 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
748 // Delete tags that had been attached to other items
749 self::deleteTagsFromItem($item);
751 // Set the item to "deleted"
752 dba::update('item', ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
753 ['id' => $item['id']]);
755 Term::insertFromTagFieldByItemId($item['id']);
756 Term::insertFromFileFieldByItemId($item['id']);
757 self::deleteThread($item['id'], $item['parent-uri']);
759 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
760 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
763 // If it's the parent of a comment thread, kill all the kids
764 if ($item['id'] == $item['parent']) {
765 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
768 // Is it our comment and/or our thread?
769 if ($item['origin'] || $parent['origin']) {
771 // When we delete the original post we will delete all existing copies on the server as well
772 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
774 // send the notification upstream/downstream
775 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
776 } elseif ($item['uid'] != 0) {
778 // When we delete just our local user copy of an item, we have to set a marker to hide it
779 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
780 if (DBM::is_result($global_item)) {
781 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
785 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
790 private static function deleteTagsFromItem($item)
792 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
796 $xo = XML::parseString($item["object"], false);
797 $xt = XML::parseString($item["target"], false);
799 if ($xt->type != ACTIVITY_OBJ_NOTE) {
803 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
804 if (!DBM::is_result($i)) {
808 // For tags, the owner cannot remove the tag on the author's copy of the post.
809 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
810 $author_copy = $item["origin"];
812 if (($owner_remove && $author_copy) || !$owner_remove) {
816 $tags = explode(',', $i["tag"]);
819 foreach ($tags as $tag) {
820 if (trim($tag) !== trim($xo->body)) {
821 $newtags[] = trim($tag);
825 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
828 private static function guid($item, $notify)
830 $guid = notags(trim($item['guid']));
837 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
838 // We add the hash of our own host because our host is the original creator of the post.
839 $prefix_host = get_app()->get_hostname();
843 // We are only storing the post so we create a GUID from the original hostname.
844 if (!empty($item['author-link'])) {
845 $parsed = parse_url($item['author-link']);
846 if (!empty($parsed['host'])) {
847 $prefix_host = $parsed['host'];
851 if (empty($prefix_host) && !empty($item['plink'])) {
852 $parsed = parse_url($item['plink']);
853 if (!empty($parsed['host'])) {
854 $prefix_host = $parsed['host'];
858 if (empty($prefix_host) && !empty($item['uri'])) {
859 $parsed = parse_url($item['uri']);
860 if (!empty($parsed['host'])) {
861 $prefix_host = $parsed['host'];
865 // Is it in the format data@host.tld? - Used for mail contacts
866 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
867 $mailparts = explode('@', $item['author-link']);
868 $prefix_host = array_pop($mailparts);
872 if (!empty($item['plink'])) {
873 $guid = self::guidFromUri($item['plink'], $prefix_host);
874 } elseif (!empty($item['uri'])) {
875 $guid = self::guidFromUri($item['uri'], $prefix_host);
877 $guid = get_guid(32, hash('crc32', $prefix_host));
883 private static function contactId($item)
885 $contact_id = (int)$item["contact-id"];
887 if (!empty($contact_id)) {
890 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
892 * First we are looking for a suitable contact that matches with the author of the post
893 * This is done only for comments
895 if ($item['parent-uri'] != $item['uri']) {
896 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
899 // If not present then maybe the owner was found
900 if ($contact_id == 0) {
901 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
904 // Still missing? Then use the "self" contact of the current user
905 if ($contact_id == 0) {
906 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
907 if (DBM::is_result($self)) {
908 $contact_id = $self["id"];
911 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
916 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
920 // If it is a posting where users should get notifications, then define it as wall posting
923 $item['type'] = 'wall';
925 $item['network'] = NETWORK_DFRN;
926 $item['protocol'] = PROTOCOL_DFRN;
928 if (is_int($notify)) {
931 $priority = PRIORITY_HIGH;
934 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
937 $item['guid'] = self::guid($item, $notify);
938 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
940 // Store conversation data
941 $item = Conversation::insert($item);
944 * If a Diaspora signature structure was passed in, pull it out of the
945 * item array and set it aside for later storage.
949 if (x($item, 'dsprsig')) {
950 $encoded_signature = $item['dsprsig'];
951 $dsprsig = json_decode(base64_decode($item['dsprsig']));
952 unset($item['dsprsig']);
955 if (!empty($item['diaspora_signed_text'])) {
956 $diaspora_signed_text = $item['diaspora_signed_text'];
957 unset($item['diaspora_signed_text']);
959 $diaspora_signed_text = '';
962 // Converting the plink
963 /// @TODO Check if this is really still needed
964 if ($item['network'] == NETWORK_OSTATUS) {
965 if (isset($item['plink'])) {
966 $item['plink'] = OStatus::convertHref($item['plink']);
967 } elseif (isset($item['uri'])) {
968 $item['plink'] = OStatus::convertHref($item['uri']);
972 if (!empty($item['thr-parent'])) {
973 $item['parent-uri'] = $item['thr-parent'];
976 $item['type'] = defaults($item, 'type', 'remote');
978 if (isset($item['gravity'])) {
979 $item['gravity'] = intval($item['gravity']);
980 } elseif ($item['parent-uri'] === $item['uri']) {
981 $item['gravity'] = GRAVITY_PARENT;
982 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
983 $item['gravity'] = GRAVITY_COMMENT;
984 } elseif ($item['type'] == 'activity') {
985 $item['gravity'] = GRAVITY_ACTIVITY;
987 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
988 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
991 $uid = intval($item['uid']);
993 // check for create date and expire time
994 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
996 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
997 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
998 $expire_interval = $user['expire'];
1001 if (($expire_interval > 0) && !empty($item['created'])) {
1002 $expire_date = time() - ($expire_interval * 86400);
1003 $created_date = strtotime($item['created']);
1004 if ($created_date < $expire_date) {
1005 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1011 * Do we already have this item?
1012 * We have to check several networks since Friendica posts could be repeated
1013 * via OStatus (maybe Diasporsa as well)
1015 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1016 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1017 trim($item['uri']), $item['uid'],
1018 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1019 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
1020 if (DBM::is_result($existing)) {
1021 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1023 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1026 return $existing["id"];
1030 self::addLanguageInPostopts($item);
1032 $item['wall'] = intval(defaults($item, 'wall', 0));
1033 $item['extid'] = trim(defaults($item, 'extid', ''));
1034 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1035 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1036 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1037 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1038 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1039 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1040 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1041 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1042 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1043 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1044 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1045 $item['title'] = trim(defaults($item, 'title', ''));
1046 $item['location'] = trim(defaults($item, 'location', ''));
1047 $item['coord'] = trim(defaults($item, 'coord', ''));
1048 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1049 $item['deleted'] = 0;
1050 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1051 $item['verb'] = trim(defaults($item, 'verb', ''));
1052 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1053 $item['object'] = trim(defaults($item, 'object', ''));
1054 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1055 $item['target'] = trim(defaults($item, 'target', ''));
1056 $item['plink'] = trim(defaults($item, 'plink', ''));
1057 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1058 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1059 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1060 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1061 $item['private'] = intval(defaults($item, 'private', 0));
1062 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1063 $item['body'] = trim(defaults($item, 'body', ''));
1064 $item['tag'] = trim(defaults($item, 'tag', ''));
1065 $item['attach'] = trim(defaults($item, 'attach', ''));
1066 $item['app'] = trim(defaults($item, 'app', ''));
1067 $item['origin'] = intval(defaults($item, 'origin', 0));
1068 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1069 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1070 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1071 $item['inform'] = trim(defaults($item, 'inform', ''));
1072 $item['file'] = trim(defaults($item, 'file', ''));
1074 // When there is no content then we don't post it
1075 if ($item['body'].$item['title'] == '') {
1076 logger('No body, no title.');
1080 // Items cannot be stored before they happen ...
1081 if ($item['created'] > DateTimeFormat::utcNow()) {
1082 $item['created'] = DateTimeFormat::utcNow();
1085 // We haven't invented time travel by now.
1086 if ($item['edited'] > DateTimeFormat::utcNow()) {
1087 $item['edited'] = DateTimeFormat::utcNow();
1090 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1091 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1094 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1096 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1097 $item["contact-id"] = self::contactId($item);
1099 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1100 'photo' => $item['author-avatar'], 'network' => $item['network']];
1102 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1104 if (Contact::isBlocked($item["author-id"])) {
1105 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1109 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1110 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1112 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1114 if (Contact::isBlocked($item["owner-id"])) {
1115 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1119 // These fields aren't stored anymore in the item table, they are fetched upon request
1120 unset($item['author-link']);
1121 unset($item['author-name']);
1122 unset($item['author-avatar']);
1124 unset($item['owner-link']);
1125 unset($item['owner-name']);
1126 unset($item['owner-avatar']);
1128 if ($item['network'] == NETWORK_PHANTOM) {
1129 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1131 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1132 if (!empty($contact['network'])) {
1133 $item['network'] = $contact["network"];
1135 $item['network'] = NETWORK_DFRN;
1137 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1140 // Checking if there is already an item with the same guid
1141 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1142 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1143 if (self::exists($condition)) {
1144 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1148 // Check for hashtags in the body and repair or add hashtag links
1149 self::setHashtags($item);
1151 $item['thr-parent'] = $item['parent-uri'];
1159 if ($item['parent-uri'] === $item['uri']) {
1161 $parent_deleted = 0;
1162 $allow_cid = $item['allow_cid'];
1163 $allow_gid = $item['allow_gid'];
1164 $deny_cid = $item['deny_cid'];
1165 $deny_gid = $item['deny_gid'];
1166 $notify_type = 'wall-new';
1168 // find the parent and snarf the item id and ACLs
1169 // and anything else we need to inherit
1171 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1172 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1173 'wall', 'private', 'forum_mode', 'origin'];
1174 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1175 $params = ['order' => ['id' => false]];
1176 $parent = dba::selectFirst('item', $fields, $condition, $params);
1178 if (DBM::is_result($parent)) {
1179 // is the new message multi-level threaded?
1180 // even though we don't support it now, preserve the info
1181 // and re-attach to the conversation parent.
1183 if ($parent['uri'] != $parent['parent-uri']) {
1184 $item['parent-uri'] = $parent['parent-uri'];
1186 $condition = ['uri' => $item['parent-uri'],
1187 'parent-uri' => $item['parent-uri'],
1188 'uid' => $item['uid']];
1189 $params = ['order' => ['id' => false]];
1190 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1192 if (DBM::is_result($toplevel_parent)) {
1193 $parent = $toplevel_parent;
1197 $parent_id = $parent['id'];
1198 $parent_deleted = $parent['deleted'];
1199 $allow_cid = $parent['allow_cid'];
1200 $allow_gid = $parent['allow_gid'];
1201 $deny_cid = $parent['deny_cid'];
1202 $deny_gid = $parent['deny_gid'];
1203 $item['wall'] = $parent['wall'];
1204 $notify_type = 'comment-new';
1207 * If the parent is private, force privacy for the entire conversation
1208 * This differs from the above settings as it subtly allows comments from
1209 * email correspondents to be private even if the overall thread is not.
1211 if ($parent['private']) {
1212 $item['private'] = $parent['private'];
1216 * Edge case. We host a public forum that was originally posted to privately.
1217 * The original author commented, but as this is a comment, the permissions
1218 * weren't fixed up so it will still show the comment as private unless we fix it here.
1220 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1221 $item['private'] = 0;
1224 // If its a post from myself then tag the thread as "mention"
1225 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1226 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1227 if (DBM::is_result($user)) {
1228 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1229 $self_id = Contact::getIdForURL($self, 0, true);
1230 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1231 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1232 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1233 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1238 * Allow one to see reply tweets from status.net even when
1239 * we don't have or can't see the original post.
1241 if ($force_parent) {
1242 logger('$force_parent=true, reply converted to top-level post.');
1244 $item['parent-uri'] = $item['uri'];
1245 $item['gravity'] = GRAVITY_PARENT;
1247 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1251 $parent_deleted = 0;
1255 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1256 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1257 if (self::exists($condition)) {
1258 logger('duplicated item with the same uri found. '.print_r($item,true));
1262 // On Friendica and Diaspora the GUID is unique
1263 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1264 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1265 if (self::exists($condition)) {
1266 logger('duplicated item with the same guid found. '.print_r($item,true));
1270 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1271 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1272 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1273 if (self::exists($condition)) {
1274 logger('duplicated item with the same body found. '.print_r($item,true));
1279 // Is this item available in the global items (with uid=0)?
1280 if ($item["uid"] == 0) {
1281 $item["global"] = true;
1283 // Set the global flag on all items if this was a global item entry
1284 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1286 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1290 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1293 $private = $item['private'];
1296 $item["allow_cid"] = $allow_cid;
1297 $item["allow_gid"] = $allow_gid;
1298 $item["deny_cid"] = $deny_cid;
1299 $item["deny_gid"] = $deny_gid;
1300 $item["private"] = $private;
1301 $item["deleted"] = $parent_deleted;
1303 // Fill the cache field
1304 put_item_in_cache($item);
1307 Addon::callHooks('post_local', $item);
1309 Addon::callHooks('post_remote', $item);
1312 // This array field is used to trigger some automatic reactions
1313 // It is mainly used in the "post_local" hook.
1314 unset($item['api_source']);
1316 if (x($item, 'cancel')) {
1317 logger('post cancelled by addon.');
1322 * Check for already added items.
1323 * There is a timing issue here that sometimes creates double postings.
1324 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1326 if ($item["uid"] == 0) {
1327 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1328 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1333 logger('' . print_r($item,true), LOGGER_DATA);
1336 self::insertContent($item);
1337 $ret = dba::insert('item', $item);
1339 // When the item was successfully stored we fetch the ID of the item.
1340 if (DBM::is_result($ret)) {
1341 $current_post = dba::lastInsertId();
1343 // This can happen - for example - if there are locking timeouts.
1346 // Store the data into a spool file so that we can try again later.
1348 // At first we restore the Diaspora signature that we removed above.
1349 if (isset($encoded_signature)) {
1350 $item['dsprsig'] = $encoded_signature;
1353 // Now we store the data in the spool directory
1354 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1355 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1357 $spoolpath = get_spoolpath();
1358 if ($spoolpath != "") {
1359 $spool = $spoolpath.'/'.$file;
1360 file_put_contents($spool, json_encode($item));
1361 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1366 if ($current_post == 0) {
1367 // This is one of these error messages that never should occur.
1368 logger("couldn't find created item - we better quit now.");
1373 // How much entries have we created?
1374 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1375 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1378 // There are duplicates. We delete our just created entry.
1379 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1381 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1382 dba::delete('item', ['id' => $current_post]);
1385 } elseif ($entries == 0) {
1386 // This really should never happen since we quit earlier if there were problems.
1387 logger("Something is terribly wrong. We haven't found our created entry.");
1392 logger('created item '.$current_post);
1393 self::updateContact($item);
1395 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1396 $parent_id = $current_post;
1400 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1402 $item['id'] = $current_post;
1403 $item['parent'] = $parent_id;
1405 // update the commented timestamp on the parent
1406 // Only update "commented" if it is really a comment
1407 if (($item['verb'] == ACTIVITY_POST) || !Config::get("system", "like_no_comment")) {
1408 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1410 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1415 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1416 * We can check for this condition when we decode and encode the stuff again.
1418 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1419 $dsprsig->signature = base64_decode($dsprsig->signature);
1420 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1423 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1424 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1427 if (!empty($diaspora_signed_text)) {
1428 // Formerly we stored the signed text, the signature and the author in different fields.
1429 // We now store the raw data so that we are more flexible.
1430 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1433 $deleted = self::tagDeliver($item['uid'], $current_post);
1436 * current post can be deleted if is for a community page and no mention are
1439 if (!$deleted && !$dontcache) {
1440 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1441 if (DBM::is_result($posted_item)) {
1443 Addon::callHooks('post_local_end', $posted_item);
1445 Addon::callHooks('post_remote_end', $posted_item);
1448 logger('new item not found in DB, id ' . $current_post);
1452 if ($item['parent-uri'] === $item['uri']) {
1453 self::addThread($current_post);
1455 self::updateThread($parent_id);
1461 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1462 * This is not perfect - but a workable solution until we found the reason for the problem.
1464 Term::insertFromTagFieldByItemId($current_post);
1465 Term::insertFromFileFieldByItemId($current_post);
1467 if ($item['parent-uri'] === $item['uri']) {
1468 self::addShadow($current_post);
1470 self::addShadowPost($current_post);
1473 check_user_notification($current_post);
1476 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1477 } elseif (!empty($parent) && $parent['origin']) {
1478 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1481 return $current_post;
1485 * @brief Insert a new item content entry
1487 * @param array $item The item fields that are to be inserted
1489 private static function insertContent(&$item)
1491 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1492 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1494 unset($item['plink']);
1496 foreach (self::CONTENT_FIELDLIST as $field) {
1497 if (isset($item[$field])) {
1498 $fields[$field] = $item[$field];
1499 unset($item[$field]);
1503 // Do we already have this content?
1504 if (!dba::exists('item-content', ['uri' => $item['uri']])) {
1505 dba::insert('item-content', $fields, true);
1508 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1509 if (DBM::is_result($item_content)) {
1510 $item['icid'] = $item_content['id'];
1511 logger('Insert content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1516 * @brief Update existing item content entries
1518 * @param array $item The item fields that are to be changed
1519 * @param array $condition The condition for finding the item content entries
1521 private static function updateContent($item, $condition)
1523 // We have to select only the fields from the "item-content" table
1525 foreach (self::CONTENT_FIELDLIST as $field) {
1526 if (isset($item[$field])) {
1527 $fields[$field] = $item[$field];
1531 if (empty($fields)) {
1535 if (!empty($item['plink'])) {
1536 $fields['plink'] = $item['plink'];
1537 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1540 logger('Update content for URI ' . $condition['uri']);
1542 dba::update('item-content', $fields, $condition, true);
1546 * @brief Distributes public items to the receivers
1548 * @param integer $itemid Item ID that should be added
1549 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1551 public static function distribute($itemid, $signed_text = '')
1553 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1554 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1555 if (!DBM::is_result($parent)) {
1559 // Only distribute public items from native networks
1560 $condition = ['id' => $itemid, 'uid' => 0,
1561 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1562 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1563 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1564 if (!DBM::is_result($item)) {
1569 unset($item['parent']);
1570 unset($item['mention']);
1571 unset($item['wall']);
1572 unset($item['origin']);
1573 unset($item['starred']);
1577 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1578 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1579 $contacts = dba::select('contact', ['uid'], $condition);
1580 while ($contact = dba::fetch($contacts)) {
1581 $users[$contact['uid']] = $contact['uid'];
1586 if ($item['uri'] != $item['parent-uri']) {
1587 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1588 while ($parent = dba::fetch($parents)) {
1589 $users[$parent['uid']] = $parent['uid'];
1590 if ($parent['origin'] && !$item['origin']) {
1591 $origin_uid = $parent['uid'];
1596 foreach ($users as $uid) {
1597 if ($origin_uid == $uid) {
1598 $item['diaspora_signed_text'] = $signed_text;
1600 self::storeForUser($itemid, $item, $uid);
1605 * @brief Store public items for the receivers
1607 * @param integer $itemid Item ID that should be added
1608 * @param array $item The item entry that will be stored
1609 * @param integer $uid The user that will receive the item entry
1611 private static function storeForUser($itemid, $item, $uid)
1613 $item['uid'] = $uid;
1614 $item['origin'] = 0;
1616 if ($item['uri'] == $item['parent-uri']) {
1617 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1619 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1622 if (empty($item['contact-id'])) {
1623 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1624 if (!DBM::is_result($self)) {
1627 $item['contact-id'] = $self['id'];
1630 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1631 $item['type'] = 'remote-comment';
1632 } elseif ($item['type'] == 'wall') {
1633 $item['type'] = 'remote';
1636 /// @todo Handling of "event-id"
1639 if ($item['uri'] == $item['parent-uri']) {
1640 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1641 if (DBM::is_result($contact)) {
1642 $notify = self::isRemoteSelf($contact, $item);
1646 $distributed = self::insert($item, false, $notify, true);
1648 if (!$distributed) {
1649 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1651 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1656 * @brief Add a shadow entry for a given item id that is a thread starter
1658 * We store every public item entry additionally with the user id "0".
1659 * This is used for the community page and for the search.
1660 * It is planned that in the future we will store public item entries only once.
1662 * @param integer $itemid Item ID that should be added
1664 public static function addShadow($itemid)
1666 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1667 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1668 $item = dba::selectFirst('item', $fields, $condition);
1670 if (!DBM::is_result($item)) {
1674 // is it already a copy?
1675 if (($itemid == 0) || ($item['uid'] == 0)) {
1679 // Is it a visible public post?
1680 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1684 // is it an entry from a connector? Only add an entry for natively connected networks
1685 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1689 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1691 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1692 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1694 if (!self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1695 // Preparing public shadow (removing user specific data)
1698 unset($item['parent']);
1699 unset($item['wall']);
1700 unset($item['mention']);
1701 unset($item['origin']);
1702 unset($item['starred']);
1703 if ($item['uri'] == $item['parent-uri']) {
1704 $item['contact-id'] = $item['owner-id'];
1706 $item['contact-id'] = $item['author-id'];
1709 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1710 $item['type'] = 'remote-comment';
1711 } elseif ($item['type'] == 'wall') {
1712 $item['type'] = 'remote';
1715 $public_shadow = self::insert($item, false, false, true);
1717 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1723 * @brief Add a shadow entry for a given item id that is a comment
1725 * This function does the same like the function above - but for comments
1727 * @param integer $itemid Item ID that should be added
1729 public static function addShadowPost($itemid)
1731 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1732 if (!DBM::is_result($item)) {
1736 // Is it a toplevel post?
1737 if ($item['id'] == $item['parent']) {
1738 self::addShadow($itemid);
1742 // Is this a shadow entry?
1743 if ($item['uid'] == 0) {
1747 // Is there a shadow parent?
1748 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1752 // Is there already a shadow entry?
1753 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1757 // Save "origin" and "parent" state
1758 $origin = $item['origin'];
1759 $parent = $item['parent'];
1761 // Preparing public shadow (removing user specific data)
1764 unset($item['parent']);
1765 unset($item['wall']);
1766 unset($item['mention']);
1767 unset($item['origin']);
1768 unset($item['starred']);
1769 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1771 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1772 $item['type'] = 'remote-comment';
1773 } elseif ($item['type'] == 'wall') {
1774 $item['type'] = 'remote';
1777 $public_shadow = self::insert($item, false, false, true);
1779 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1781 // If this was a comment to a Diaspora post we don't get our comment back.
1782 // This means that we have to distribute the comment by ourselves.
1783 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1784 self::distribute($public_shadow);
1789 * Adds a "lang" specification in a "postopts" element of given $arr,
1790 * if possible and not already present.
1791 * Expects "body" element to exist in $arr.
1793 private static function addLanguageInPostopts(&$item)
1797 if (!empty($item['postopts'])) {
1798 if (strstr($item['postopts'], 'lang=')) {
1802 $postopts = $item['postopts'];
1805 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1807 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1809 if (sizeof($languages) > 0) {
1810 if ($postopts != '') {
1811 $postopts .= '&'; // arbitrary separator, to be reviewed
1814 $postopts .= 'lang=';
1817 foreach ($languages as $language => $score) {
1818 $postopts .= $sep . $language . ";" . $score;
1821 $item['postopts'] = $postopts;
1826 * @brief Creates an unique guid out of a given uri
1828 * @param string $uri uri of an item entry
1829 * @param string $host hostname for the GUID prefix
1830 * @return string unique guid
1832 public static function guidFromUri($uri, $host)
1834 // Our regular guid routine is using this kind of prefix as well
1835 // We have to avoid that different routines could accidentally create the same value
1836 $parsed = parse_url($uri);
1838 // We use a hash of the hostname as prefix for the guid
1839 $guid_prefix = hash("crc32", $host);
1841 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1842 unset($parsed["scheme"]);
1844 // Glue it together to be able to make a hash from it
1845 $host_id = implode("/", $parsed);
1847 // We could use any hash algorithm since it isn't a security issue
1848 $host_hash = hash("ripemd128", $host_id);
1850 return $guid_prefix.$host_hash;
1854 * generate an unique URI
1856 * @param integer $uid User id
1857 * @param string $guid An existing GUID (Otherwise it will be generated)
1861 public static function newURI($uid, $guid = "")
1864 $guid = get_guid(32);
1867 $hostname = self::getApp()->get_hostname();
1869 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1871 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1877 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1879 * This can be used to filter for inactive contacts.
1880 * Only do this for public postings to avoid privacy problems, since poco data is public.
1881 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1883 * @param array $arr Contains the just posted item record
1885 private static function updateContact($arr)
1887 // Unarchive the author
1888 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1889 if (DBM::is_result($contact)) {
1890 Contact::unmarkForArchival($contact);
1893 // Unarchive the contact if it's not our own contact
1894 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1895 if (DBM::is_result($contact)) {
1896 Contact::unmarkForArchival($contact);
1899 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1901 // Is it a forum? Then we don't care about the rules from above
1902 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1903 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1909 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1910 ['id' => $arr['contact-id']]);
1912 // Now do the same for the system wide contacts with uid=0
1913 if (!$arr['private']) {
1914 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1915 ['id' => $arr['owner-id']]);
1917 if ($arr['owner-id'] != $arr['author-id']) {
1918 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1919 ['id' => $arr['author-id']]);
1924 public static function setHashtags(&$item)
1927 $tags = get_tags($item["body"]);
1930 if (!count($tags)) {
1934 // This sorting is important when there are hashtags that are part of other hashtags
1935 // Otherwise there could be problems with hashtags like #test and #test2
1938 $URLSearchString = "^\[\]";
1940 // All hashtags should point to the home server if "local_tags" is activated
1941 if (Config::get('system', 'local_tags')) {
1942 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1943 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1945 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1946 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1949 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1950 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1952 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1955 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1957 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1960 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1962 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1965 // Repair recursive urls
1966 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1967 "#$2", $item["body"]);
1969 foreach ($tags as $tag) {
1970 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1974 $basetag = str_replace('_',' ',substr($tag,1));
1976 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1978 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1980 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
1981 if (strlen($item["tag"])) {
1982 $item["tag"] = ','.$item["tag"];
1984 $item["tag"] = $newtag.$item["tag"];
1988 // Convert back the masked hashtags
1989 $item["body"] = str_replace("#", "#", $item["body"]);
1992 public static function getGuidById($id)
1994 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
1995 if (DBM::is_result($item)) {
1996 return $item['guid'];
2002 public static function getIdAndNickByGuid($guid, $uid = 0)
2008 $uid == local_user();
2011 // Does the given user have this item?
2013 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2014 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2015 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2016 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2017 if (DBM::is_result($item)) {
2019 $nick = $item["nickname"];
2023 // Or is it anywhere on the server?
2025 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2026 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2027 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2028 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
2029 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
2030 AND NOT `item`.`private` AND `item`.`wall`
2031 AND `item`.`guid` = ?", $guid);
2032 if (DBM::is_result($item)) {
2034 $nick = $item["nickname"];
2037 return ["nick" => $nick, "id" => $id];
2041 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2043 * @param int $item_id
2044 * @return bool true if item was deleted, else false
2046 private static function tagDeliver($uid, $item_id)
2050 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2051 if (!DBM::is_result($user)) {
2055 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2056 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2058 $item = dba::selectFirst('item', [], ['id' => $item_id]);
2059 if (!DBM::is_result($item)) {
2063 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2066 * Diaspora uses their own hardwired link URL in @-tags
2067 * instead of the one we supply with webfinger
2069 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2071 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2073 foreach ($matches as $mtch) {
2074 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2076 logger('mention found: ' . $mtch[2]);
2082 if (($community_page || $prvgroup) &&
2083 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2084 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2086 logger("no-mention top-level post to community or private group. delete.");
2087 dba::delete('item', ['id' => $item_id]);
2093 $arr = ['item' => $item, 'user' => $user];
2095 Addon::callHooks('tagged', $arr);
2097 if (!$community_page && !$prvgroup) {
2102 * tgroup delivery - setup a second delivery chain
2103 * prevent delivery looping - only proceed
2104 * if the message originated elsewhere and is a top-level post
2106 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2110 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2111 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2112 if (!DBM::is_result($self)) {
2116 $owner_id = Contact::getIdForURL($self['url']);
2118 // also reset all the privacy bits to the forum default permissions
2120 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2122 $forum_mode = ($prvgroup ? 2 : 1);
2124 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2125 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2126 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2127 dba::update('item', $fields, ['id' => $item_id]);
2129 self::updateThread($item_id);
2131 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2134 public static function isRemoteSelf($contact, &$datarray)
2138 if (!$contact['remote_self']) {
2142 // Prevent the forwarding of posts that are forwarded
2143 if ($datarray["extid"] == NETWORK_DFRN) {
2144 logger('Already forwarded', LOGGER_DEBUG);
2148 // Prevent to forward already forwarded posts
2149 if ($datarray["app"] == $a->get_hostname()) {
2150 logger('Already forwarded (second test)', LOGGER_DEBUG);
2154 // Only forward posts
2155 if ($datarray["verb"] != ACTIVITY_POST) {
2156 logger('No post', LOGGER_DEBUG);
2160 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2161 logger('Not public', LOGGER_DEBUG);
2165 $datarray2 = $datarray;
2166 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2167 if ($contact['remote_self'] == 2) {
2168 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2169 ['uid' => $contact['uid'], 'self' => true]);
2170 if (DBM::is_result($self)) {
2171 $datarray['contact-id'] = $self["id"];
2173 $datarray['owner-name'] = $self["name"];
2174 $datarray['owner-link'] = $self["url"];
2175 $datarray['owner-avatar'] = $self["thumb"];
2177 $datarray['author-name'] = $datarray['owner-name'];
2178 $datarray['author-link'] = $datarray['owner-link'];
2179 $datarray['author-avatar'] = $datarray['owner-avatar'];
2181 unset($datarray['created']);
2182 unset($datarray['edited']);
2184 unset($datarray['network']);
2185 unset($datarray['owner-id']);
2186 unset($datarray['author-id']);
2189 if ($contact['network'] != NETWORK_FEED) {
2190 $datarray["guid"] = get_guid(32);
2191 unset($datarray["plink"]);
2192 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2193 $datarray["parent-uri"] = $datarray["uri"];
2194 $datarray["thr-parent"] = $datarray["uri"];
2195 $datarray["extid"] = NETWORK_DFRN;
2196 $urlpart = parse_url($datarray2['author-link']);
2197 $datarray["app"] = $urlpart["host"];
2199 $datarray['private'] = 0;
2203 if ($contact['network'] != NETWORK_FEED) {
2204 // Store the original post
2205 $result = self::insert($datarray2, false, false);
2206 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2208 $datarray["app"] = "Feed";
2212 // Trigger automatic reactions for addons
2213 $datarray['api_source'] = true;
2215 // We have to tell the hooks who we are - this really should be improved
2216 $_SESSION["authenticated"] = true;
2217 $_SESSION["uid"] = $contact['uid'];
2226 * @param array $item
2230 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2232 if (Config::get('system', 'disable_embedded')) {
2236 logger('check for photos', LOGGER_DEBUG);
2237 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2242 $img_start = strpos($orig_body, '[img');
2243 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2244 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2246 while (($img_st_close !== false) && ($img_len !== false)) {
2247 $img_st_close++; // make it point to AFTER the closing bracket
2248 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2250 logger('found photo ' . $image, LOGGER_DEBUG);
2252 if (stristr($image, $site . '/photo/')) {
2253 // Only embed locally hosted photos
2255 $i = basename($image);
2256 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2257 $x = strpos($i, '-');
2260 $res = substr($i, $x + 1);
2261 $i = substr($i, 0, $x);
2262 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2263 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2264 if (DBM::is_result($photo)) {
2266 * Check to see if we should replace this photo link with an embedded image
2267 * 1. No need to do so if the photo is public
2268 * 2. If there's a contact-id provided, see if they're in the access list
2269 * for the photo. If so, embed it.
2270 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2271 * permissions, regardless of order but first check to see if they're an exact
2272 * match to save some processing overhead.
2274 if (self::hasPermissions($photo)) {
2276 $recips = self::enumeratePermissions($photo);
2277 if (in_array($cid, $recips)) {
2281 if (self::samePermissions($item, $photo)) {
2287 $data = $photo['data'];
2288 $type = $photo['type'];
2290 // If a custom width and height were specified, apply before embedding
2291 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2292 logger('scaling photo', LOGGER_DEBUG);
2294 $width = intval($match[1]);
2295 $height = intval($match[2]);
2297 $Image = new Image($data, $type);
2298 if ($Image->isValid()) {
2299 $Image->scaleDown(max($width, $height));
2300 $data = $Image->asString();
2301 $type = $Image->getType();
2305 logger('replacing photo', LOGGER_DEBUG);
2306 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2307 logger('replaced: ' . $image, LOGGER_DATA);
2313 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2314 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2315 if ($orig_body === false) {
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);
2324 $new_body = $new_body . $orig_body;
2329 private static function hasPermissions($obj)
2333 x($obj, 'allow_cid')
2335 x($obj, 'allow_gid')
2344 private static function samePermissions($obj1, $obj2)
2346 // first part is easy. Check that these are exactly the same.
2347 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2348 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2349 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2350 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2354 // This is harder. Parse all the permissions and compare the resulting set.
2355 $recipients1 = self::enumeratePermissions($obj1);
2356 $recipients2 = self::enumeratePermissions($obj2);
2360 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2361 return ($recipients1 == $recipients2);
2364 // returns an array of contact-ids that are allowed to see this object
2365 private static function enumeratePermissions($obj)
2367 $allow_people = expand_acl($obj['allow_cid']);
2368 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2369 $deny_people = expand_acl($obj['deny_cid']);
2370 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2371 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2372 $deny = array_unique(array_merge($deny_people, $deny_groups));
2373 $recipients = array_diff($recipients, $deny);
2377 public static function getFeedTags($item)
2381 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2383 for ($x = 0; $x < $cnt; $x ++) {
2384 if ($matches[1][$x]) {
2385 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2390 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2392 for ($x = 0; $x < $cnt; $x ++) {
2393 if ($matches[1][$x]) {
2394 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2401 public static function expire($uid, $days, $network = "", $force = false)
2403 if (!$uid || ($days < 1)) {
2408 * $expire_network_only = save your own wall posts
2409 * and just expire conversations started by others
2411 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2412 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2414 if ($network != "") {
2415 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2418 * There is an index "uid_network_received" but not "uid_network_created"
2419 * This avoids the creation of another index just for one purpose.
2420 * And it doesn't really matter wether to look at "received" or "created"
2422 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2424 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2427 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2428 WHERE `uid` = %d $range
2436 if (!DBM::is_result($r)) {
2440 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2442 // Forcing expiring of items - but not notes and marked items
2444 $expire_items = true;
2447 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2448 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2449 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2451 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2453 foreach ($r as $item) {
2455 // don't expire filed items
2457 if (strpos($item['file'],'[') !== false) {
2461 // Only expire posts, not photos and photo comments
2463 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2465 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2467 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2469 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2473 self::deleteById($item['id'], PRIORITY_LOW);
2477 public static function firstPostDate($uid, $wall = false)
2479 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2480 $params = ['order' => ['created' => false]];
2481 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2482 if (DBM::is_result($thread)) {
2483 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2489 * @brief add/remove activity to an item
2491 * Toggle activities as like,dislike,attend of an item
2493 * @param string $item_id
2494 * @param string $verb
2495 * Activity verb. One of
2496 * like, unlike, dislike, undislike, attendyes, unattendyes,
2497 * attendno, unattendno, attendmaybe, unattendmaybe
2498 * @hook 'post_local_end'
2500 * 'post_id' => ID of posted item
2502 public static function performLike($item_id, $verb)
2504 if (!local_user() && !remote_user()) {
2511 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2512 $activity = ACTIVITY_LIKE;
2516 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2517 $activity = ACTIVITY_DISLIKE;
2521 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2522 $activity = ACTIVITY_ATTEND;
2526 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2527 $activity = ACTIVITY_ATTENDNO;
2530 case 'unattendmaybe':
2531 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2532 $activity = ACTIVITY_ATTENDMAYBE;
2535 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2539 // Enable activity toggling instead of on/off
2540 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2542 logger('like: verb ' . $verb . ' item ' . $item_id);
2544 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2545 if (!DBM::is_result($item)) {
2546 logger('like: unknown item ' . $item_id);
2550 $uid = $item['uid'];
2551 if (($uid == 0) && local_user()) {
2552 $uid = local_user();
2555 if (!can_write_wall($uid)) {
2556 logger('like: unable to write on wall ' . $uid);
2560 // Retrieves the local post owner
2561 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2562 if (!DBM::is_result($owner_self_contact)) {
2563 logger('like: unknown owner ' . $uid);
2567 // Retrieve the current logged in user's public contact
2568 $author_id = public_contact();
2570 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2571 if (!DBM::is_result($author_contact)) {
2572 logger('like: unknown author ' . $author_id);
2576 // Contact-id is the uid-dependant author contact
2577 if (local_user() == $uid) {
2578 $item_contact_id = $owner_self_contact['id'];
2579 $item_contact = $owner_self_contact;
2581 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2582 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2583 if (!DBM::is_result($item_contact)) {
2584 logger('like: unknown item contact ' . $item_contact_id);
2589 // Look for an existing verb row
2590 // event participation are essentially radio toggles. If you make a subsequent choice,
2591 // we need to eradicate your first choice.
2592 if ($event_verb_flag) {
2593 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2598 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2599 'author-id' => $author_contact['id'], 'uid' => item['uid']];
2601 $condition = array_merge($base_condition, ['parent' => $item_id]);
2602 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2604 if (!DBM::is_result($like_item)) {
2605 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2606 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2609 if (!DBM::is_result($like_item)) {
2610 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2611 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2614 // If it exists, mark it as deleted
2615 if (DBM::is_result($like_item)) {
2616 // Already voted, undo it
2617 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2618 /// @todo Consider using self::update - but before doing so, check the side effects
2619 dba::update('item', $fields, ['id' => $like_item['id']]);
2621 // Clean up the Diaspora signatures for this like
2622 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2623 // if it had been enabled in the past
2624 dba::delete('sign', ['iid' => $like_item['id']]);
2626 $like_item_id = $like_item['id'];
2627 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2629 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2634 // Verb is "un-something", just trying to delete existing entries
2635 if (strpos($verb, 'un') === 0) {
2639 // Else or if event verb different from existing row, create a new item row
2640 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2641 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2642 $post_type = L10n::t('event');
2644 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2645 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2646 $body = $item['body'];
2651 <type>$objtype</type>
2653 <id>{$item['uri']}</id>
2656 <content>$body</content>
2660 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2661 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2662 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2665 'guid' => get_guid(32),
2666 'uri' => self::newURI($item['uid']),
2667 'uid' => $item['uid'],
2668 'contact-id' => $item_contact_id,
2669 'type' => 'activity',
2670 'wall' => $item['wall'],
2672 'gravity' => GRAVITY_ACTIVITY,
2673 'parent' => $item['id'],
2674 'parent-uri' => $item['uri'],
2675 'thr-parent' => $item['uri'],
2676 'owner-id' => $item['owner-id'],
2677 'owner-name' => $item['owner-name'],
2678 'owner-link' => $item['owner-link'],
2679 'owner-avatar' => $item['owner-avatar'],
2680 'author-id' => $author_contact['id'],
2681 'author-name' => $author_contact['name'],
2682 'author-link' => $author_contact['url'],
2683 'author-avatar' => $author_contact['thumb'],
2684 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2685 'verb' => $activity,
2686 'object-type' => $objtype,
2688 'allow_cid' => $item['allow_cid'],
2689 'allow_gid' => $item['allow_gid'],
2690 'deny_cid' => $item['deny_cid'],
2691 'deny_gid' => $item['deny_gid'],
2696 $new_item_id = self::insert($new_item);
2698 // If the parent item isn't visible then set it to visible
2699 if (!$item['visible']) {
2700 self::update(['visible' => true], ['id' => $item['id']]);
2703 // Save the author information for the like in case we need to relay to Diaspora
2704 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2706 $new_item['id'] = $new_item_id;
2708 Addon::callHooks('post_local_end', $new_item);
2710 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2715 private static function addThread($itemid, $onlyshadow = false)
2717 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2718 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2719 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2720 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2721 $item = dba::selectFirst('item', $fields, $condition);
2723 if (!DBM::is_result($item)) {
2727 $item['iid'] = $itemid;
2730 $result = dba::insert('thread', $item);
2732 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2736 private static function updateThread($itemid, $setmention = false)
2738 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
2739 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2740 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2741 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2743 $item = dba::selectFirst('item', $fields, $condition);
2744 if (!DBM::is_result($item)) {
2749 $item["mention"] = 1;
2756 foreach ($item as $field => $data) {
2757 if (!in_array($field, ["guid"])) {
2758 $fields[$field] = $data;
2762 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2764 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2767 private static function deleteThread($itemid, $itemuri = "")
2769 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2770 if (!DBM::is_result($item)) {
2771 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2775 // Using dba::delete at this time could delete the associated item entries
2776 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2778 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2780 if ($itemuri != "") {
2781 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2782 if (!self::exists($condition)) {
2783 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2784 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);