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'] = $row['contact-name'];
120 // We can always comment on posts from these networks
121 if (isset($row['writable']) && !empty($row['network']) &&
122 in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
123 $row['writable'] = true;
130 * @brief Fills an array with data from an item query
132 * @param object $stmt statement object
133 * @return array Data array
135 public static function inArray($stmt, $do_close = true) {
136 if (is_bool($stmt)) {
141 while ($row = self::fetch($stmt)) {
151 * @brief Check if item data exists
153 * @param array $condition array of fields for condition
155 * @return boolean Are there rows for that condition?
157 public static function exists($condition) {
158 $stmt = self::select(['id'], $condition, ['limit' => 1]);
160 if (is_bool($stmt)) {
163 $retval = (dba::num_rows($stmt) > 0);
172 * Retrieve a single record from the item table for a given user and returns it in an associative array
174 * @brief Retrieve a single record from a table
175 * @param integer $uid User ID
176 * @param array $fields
177 * @param array $condition
178 * @param array $params
182 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
184 $params['uid'] = $uid;
186 if (empty($selected)) {
187 $selected = Item::DISPLAY_FIELDLIST;
190 return self::selectFirst($selected, $condition, $params);
194 * @brief Select rows from the item table for a given user
196 * @param integer $uid User ID
197 * @param array $selected Array of selected fields, empty for all
198 * @param array $condition Array of fields for condition
199 * @param array $params Array of several parameters
201 * @return boolean|object
203 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
205 $params['uid'] = $uid;
207 if (empty($selected)) {
208 $selected = Item::DISPLAY_FIELDLIST;
211 return self::select($selected, $condition, $params);
215 * Retrieve a single record from the item table and returns it in an associative array
217 * @brief Retrieve a single record from a table
218 * @param array $fields
219 * @param array $condition
220 * @param array $params
224 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
226 $params['limit'] = 1;
228 $result = self::select($fields, $condition, $params);
230 if (is_bool($result)) {
233 $row = self::fetch($result);
240 * @brief Select rows from the item table
242 * @param array $selected Array of selected fields, empty for all
243 * @param array $condition Array of fields for condition
244 * @param array $params Array of several parameters
246 * @return boolean|object
248 public static function select(array $selected = [], array $condition = [], $params = [])
253 if (isset($params['uid'])) {
254 $uid = $params['uid'];
258 $fields = self::fieldlist($selected);
260 $select_fields = self::constructSelectFields($fields, $selected);
262 $condition_string = dba::buildCondition($condition);
264 $condition_string = self::addTablesToFields($condition_string, $fields);
267 $condition_string = $condition_string . ' AND ' . self::condition(false);
270 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
272 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
274 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
276 return dba::p($sql, $condition);
280 * @brief Select rows from the starting post in the item table
282 * @param integer $uid User ID
283 * @param array $fields Array of selected fields, empty for all
284 * @param array $condition Array of fields for condition
285 * @param array $params Array of several parameters
287 * @return boolean|object
289 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
291 $params['uid'] = $uid;
293 if (empty($selected)) {
294 $selected = Item::DISPLAY_FIELDLIST;
297 return self::selectThread($selected, $condition, $params);
301 * Retrieve a single record from the starting post in the item table and returns it in an associative array
303 * @brief Retrieve a single record from a table
304 * @param integer $uid User ID
305 * @param array $selected
306 * @param array $condition
307 * @param array $params
311 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
313 $params['uid'] = $uid;
315 if (empty($selected)) {
316 $selected = Item::DISPLAY_FIELDLIST;
319 return self::selectFirstThread($selected, $condition, $params);
323 * Retrieve a single record from the starting post in the item table and returns it in an associative array
325 * @brief Retrieve a single record from a table
326 * @param array $fields
327 * @param array $condition
328 * @param array $params
332 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
334 $params['limit'] = 1;
335 $result = self::selectThread($fields, $condition, $params);
337 if (is_bool($result)) {
340 $row = self::fetch($result);
347 * @brief Select rows from the starting post in the item table
349 * @param array $selected Array of selected fields, empty for all
350 * @param array $condition Array of fields for condition
351 * @param array $params Array of several parameters
353 * @return boolean|object
355 public static function selectThread(array $selected = [], array $condition = [], $params = [])
360 if (isset($params['uid'])) {
361 $uid = $params['uid'];
365 $fields = self::fieldlist($selected);
367 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
368 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
369 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
370 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
372 $select_fields = self::constructSelectFields($fields, $selected);
374 $condition_string = dba::buildCondition($condition);
376 $condition_string = self::addTablesToFields($condition_string, $threadfields);
377 $condition_string = self::addTablesToFields($condition_string, $fields);
380 $condition_string = $condition_string . ' AND ' . self::condition(true);
383 $param_string = dba::buildParameter($params);
384 $param_string = self::addTablesToFields($param_string, $threadfields);
385 $param_string = self::addTablesToFields($param_string, $fields);
387 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
389 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
391 return dba::p($sql, $condition);
395 * @brief Returns a list of fields that are associated with the item table
397 * @return array field list
399 private static function fieldlist($selected)
403 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
404 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
405 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
406 'resource-id', 'event-id', 'tag', 'attach', 'inform',
407 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
408 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
409 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
410 'id' => 'item_id', 'network', 'icid'];
412 $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST);
414 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
415 'thumb' => 'author-avatar', 'nick' => 'author-nick'];
417 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
418 'thumb' => 'owner-avatar', 'nick' => 'owner-nick'];
420 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
421 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
422 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
424 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
426 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
428 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
429 'start' => 'event-start','finish' => 'event-finish',
430 'summary' => 'event-summary','desc' => 'event-desc',
431 'location' => 'event-location', 'type' => 'event-type',
432 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
433 'ignore' => 'event-ignore', 'id' => 'event-id'];
435 $fields['sign'] = ['signed_text', 'signature', 'signer'];
441 * @brief Returns SQL condition for the "select" functions
443 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
445 * @return string SQL condition
447 private static function condition($thread_mode)
450 $master_table = "`thread`";
452 $master_table = "`item`";
454 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
458 * @brief Returns all needed "JOIN" commands for the "select" functions
460 * @param integer $uid User ID
461 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
462 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
464 * @return string The SQL joins for the "select" functions
466 private static function constructJoins($uid, $sql_commands, $thread_mode)
469 $master_table = "`thread`";
470 $master_table_key = "`thread`.`iid`";
471 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
473 $master_table = "`item`";
474 $master_table_key = "`item`.`id`";
478 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
479 AND NOT `contact`.`blocked`
480 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
481 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
482 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
483 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
484 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
485 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
487 if (strpos($sql_commands, "`group_member`.") !== false) {
488 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
491 if (strpos($sql_commands, "`user`.") !== false) {
492 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
495 if (strpos($sql_commands, "`event`.") !== false) {
496 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
499 if (strpos($sql_commands, "`sign`.") !== false) {
500 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
503 if (strpos($sql_commands, "`item-content`.") !== false) {
504 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
507 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
508 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
511 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
512 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
519 * @brief Add the field list for the "select" functions
521 * @param array $fields The field definition array
522 * @param array $selected The array with the selected fields from the "select" functions
524 * @return string The field list
526 private static function constructSelectFields($fields, $selected)
529 foreach ($fields as $table => $table_fields) {
530 foreach ($table_fields as $field => $select) {
531 if (empty($selected) || in_array($select, $selected)) {
532 if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) {
533 $selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
535 if (is_int($field)) {
536 $selection[] = "`" . $table . "`.`" . $select . "`";
538 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
543 return implode(", ", $selection);
547 * @brief add table definition to fields in an SQL query
549 * @param string $query SQL query
550 * @param array $fields The field definition array
552 * @return string the changed SQL query
554 private static function addTablesToFields($query, $fields)
556 foreach ($fields as $table => $table_fields) {
557 foreach ($table_fields as $alias => $field) {
558 if (is_int($alias)) {
559 $replace_field = $field;
561 $replace_field = $alias;
564 $search = "/([^\.])`" . $field . "`/i";
565 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
566 $query = preg_replace($search, $replace, $query);
573 * @brief Update existing item entries
575 * @param array $fields The fields that are to be changed
576 * @param array $condition The condition for finding the item entries
578 * In the future we may have to change permissions as well.
579 * Then we had to add the user id as third parameter.
581 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
583 * @return integer|boolean number of affected rows - or "false" if there was an error
585 public static function update(array $fields, array $condition)
587 if (empty($condition) || empty($fields)) {
591 // To ensure the data integrity we do it in an transaction
594 // We cannot simply expand the condition to check for origin entries
595 // The condition needn't to be a simple array but could be a complex condition.
596 // And we have to execute this query before the update to ensure to fetch the same data.
597 $items = dba::select('item', ['id', 'origin', 'uri', 'plink'], $condition);
599 $content_fields = [];
600 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
601 if (isset($fields[$field])) {
602 $content_fields[$field] = $fields[$field];
603 unset($fields[$field]);
607 if (!empty($fields)) {
608 $success = dba::update('item', $fields, $condition);
617 // When there is no content for the "old" item table, this will count the fetched items
618 $rows = dba::affected_rows();
620 while ($item = dba::fetch($items)) {
621 if (!empty($item['plink'])) {
622 $content_fields['plink'] = $item['plink'];
624 self::updateContent($content_fields, ['uri' => $item['uri']]);
625 Term::insertFromTagFieldByItemId($item['id']);
626 Term::insertFromFileFieldByItemId($item['id']);
627 self::updateThread($item['id']);
629 // We only need to notfiy others when it is an original entry from us.
630 // Only call the notifier when the item has some content relevant change.
631 if ($item['origin'] && in_array('edited', array_keys($fields))) {
632 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
642 * @brief Delete an item and notify others about it - if it was ours
644 * @param array $condition The condition for finding the item entries
645 * @param integer $priority Priority for the notification
647 public static function delete($condition, $priority = PRIORITY_HIGH)
649 $items = dba::select('item', ['id'], $condition);
650 while ($item = dba::fetch($items)) {
651 self::deleteById($item['id'], $priority);
657 * @brief Delete an item for an user and notify others about it - if it was ours
659 * @param array $condition The condition for finding the item entries
660 * @param integer $uid User who wants to delete this item
662 public static function deleteForUser($condition, $uid)
668 $items = dba::select('item', ['id', 'uid'], $condition);
669 while ($item = dba::fetch($items)) {
670 // "Deleting" global items just means hiding them
671 if ($item['uid'] == 0) {
672 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
673 } elseif ($item['uid'] == $uid) {
674 self::deleteById($item['id'], PRIORITY_HIGH);
676 logger('Wrong ownership. Not deleting item ' . $item['id']);
683 * @brief Delete an item and notify others about it - if it was ours
685 * @param integer $item_id Item ID that should be delete
686 * @param integer $priority Priority for the notification
688 * @return boolean success
690 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
692 // locate item to be deleted
693 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
694 'deleted', 'file', 'resource-id', 'event-id', 'attach',
695 'verb', 'object-type', 'object', 'target', 'contact-id'];
696 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
697 if (!DBM::is_result($item)) {
698 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
702 if ($item['deleted']) {
703 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
707 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
708 if (!DBM::is_result($parent)) {
709 $parent = ['origin' => false];
712 // clean up categories and tags so they don't end up as orphans
715 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
717 foreach ($matches as $mtch) {
718 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
724 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
726 foreach ($matches as $mtch) {
727 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
732 * If item is a link to a photo resource, nuke all the associated photos
733 * (visitors will not have photo resources)
734 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
735 * generate a resource-id and therefore aren't intimately linked to the item.
737 if (strlen($item['resource-id'])) {
738 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
741 // If item is a link to an event, delete the event.
742 if (intval($item['event-id'])) {
743 Event::delete($item['event-id']);
746 // If item has attachments, drop them
747 foreach (explode(", ", $item['attach']) as $attach) {
748 preg_match("|attach/(\d+)|", $attach, $matches);
749 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
752 // Delete tags that had been attached to other items
753 self::deleteTagsFromItem($item);
755 // Set the item to "deleted"
756 // This erasing of item content is superfluous for items with a matching item-content.
757 // But for the next time we will still have old content in the item table.
758 $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(),
759 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '',
760 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => ''];
761 dba::update('item', $item_fields, ['id' => $item['id']]);
763 Term::insertFromTagFieldByItemId($item['id']);
764 Term::insertFromFileFieldByItemId($item['id']);
765 self::deleteThread($item['id'], $item['parent-uri']);
767 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
768 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
771 // If it's the parent of a comment thread, kill all the kids
772 if ($item['id'] == $item['parent']) {
773 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
776 // Is it our comment and/or our thread?
777 if ($item['origin'] || $parent['origin']) {
779 // When we delete the original post we will delete all existing copies on the server as well
780 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
782 // send the notification upstream/downstream
783 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
784 } elseif ($item['uid'] != 0) {
786 // When we delete just our local user copy of an item, we have to set a marker to hide it
787 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
788 if (DBM::is_result($global_item)) {
789 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
793 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
798 private static function deleteTagsFromItem($item)
800 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
804 $xo = XML::parseString($item["object"], false);
805 $xt = XML::parseString($item["target"], false);
807 if ($xt->type != ACTIVITY_OBJ_NOTE) {
811 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
812 if (!DBM::is_result($i)) {
816 // For tags, the owner cannot remove the tag on the author's copy of the post.
817 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
818 $author_copy = $item["origin"];
820 if (($owner_remove && $author_copy) || !$owner_remove) {
824 $tags = explode(',', $i["tag"]);
827 foreach ($tags as $tag) {
828 if (trim($tag) !== trim($xo->body)) {
829 $newtags[] = trim($tag);
833 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
836 private static function guid($item, $notify)
838 $guid = notags(trim($item['guid']));
845 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
846 // We add the hash of our own host because our host is the original creator of the post.
847 $prefix_host = get_app()->get_hostname();
851 // We are only storing the post so we create a GUID from the original hostname.
852 if (!empty($item['author-link'])) {
853 $parsed = parse_url($item['author-link']);
854 if (!empty($parsed['host'])) {
855 $prefix_host = $parsed['host'];
859 if (empty($prefix_host) && !empty($item['plink'])) {
860 $parsed = parse_url($item['plink']);
861 if (!empty($parsed['host'])) {
862 $prefix_host = $parsed['host'];
866 if (empty($prefix_host) && !empty($item['uri'])) {
867 $parsed = parse_url($item['uri']);
868 if (!empty($parsed['host'])) {
869 $prefix_host = $parsed['host'];
873 // Is it in the format data@host.tld? - Used for mail contacts
874 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
875 $mailparts = explode('@', $item['author-link']);
876 $prefix_host = array_pop($mailparts);
880 if (!empty($item['plink'])) {
881 $guid = self::guidFromUri($item['plink'], $prefix_host);
882 } elseif (!empty($item['uri'])) {
883 $guid = self::guidFromUri($item['uri'], $prefix_host);
885 $guid = get_guid(32, hash('crc32', $prefix_host));
891 private static function contactId($item)
893 $contact_id = (int)$item["contact-id"];
895 if (!empty($contact_id)) {
898 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
900 * First we are looking for a suitable contact that matches with the author of the post
901 * This is done only for comments
903 if ($item['parent-uri'] != $item['uri']) {
904 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
907 // If not present then maybe the owner was found
908 if ($contact_id == 0) {
909 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
912 // Still missing? Then use the "self" contact of the current user
913 if ($contact_id == 0) {
914 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
915 if (DBM::is_result($self)) {
916 $contact_id = $self["id"];
919 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
924 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
928 // If it is a posting where users should get notifications, then define it as wall posting
931 $item['type'] = 'wall';
933 $item['network'] = NETWORK_DFRN;
934 $item['protocol'] = PROTOCOL_DFRN;
936 if (is_int($notify)) {
939 $priority = PRIORITY_HIGH;
942 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
945 $item['guid'] = self::guid($item, $notify);
946 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
948 // Store conversation data
949 $item = Conversation::insert($item);
952 * If a Diaspora signature structure was passed in, pull it out of the
953 * item array and set it aside for later storage.
957 if (x($item, 'dsprsig')) {
958 $encoded_signature = $item['dsprsig'];
959 $dsprsig = json_decode(base64_decode($item['dsprsig']));
960 unset($item['dsprsig']);
963 if (!empty($item['diaspora_signed_text'])) {
964 $diaspora_signed_text = $item['diaspora_signed_text'];
965 unset($item['diaspora_signed_text']);
967 $diaspora_signed_text = '';
970 // Converting the plink
971 /// @TODO Check if this is really still needed
972 if ($item['network'] == NETWORK_OSTATUS) {
973 if (isset($item['plink'])) {
974 $item['plink'] = OStatus::convertHref($item['plink']);
975 } elseif (isset($item['uri'])) {
976 $item['plink'] = OStatus::convertHref($item['uri']);
980 if (!empty($item['thr-parent'])) {
981 $item['parent-uri'] = $item['thr-parent'];
984 $item['type'] = defaults($item, 'type', 'remote');
986 if (isset($item['gravity'])) {
987 $item['gravity'] = intval($item['gravity']);
988 } elseif ($item['parent-uri'] === $item['uri']) {
989 $item['gravity'] = GRAVITY_PARENT;
990 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
991 $item['gravity'] = GRAVITY_COMMENT;
992 } elseif ($item['type'] == 'activity') {
993 $item['gravity'] = GRAVITY_ACTIVITY;
995 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
996 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
999 $uid = intval($item['uid']);
1001 // check for create date and expire time
1002 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
1004 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
1005 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
1006 $expire_interval = $user['expire'];
1009 if (($expire_interval > 0) && !empty($item['created'])) {
1010 $expire_date = time() - ($expire_interval * 86400);
1011 $created_date = strtotime($item['created']);
1012 if ($created_date < $expire_date) {
1013 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1019 * Do we already have this item?
1020 * We have to check several networks since Friendica posts could be repeated
1021 * via OStatus (maybe Diasporsa as well)
1023 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1024 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1025 trim($item['uri']), $item['uid'],
1026 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1027 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
1028 if (DBM::is_result($existing)) {
1029 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1031 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1034 return $existing["id"];
1038 self::addLanguageToItemArray($item);
1040 $item['wall'] = intval(defaults($item, 'wall', 0));
1041 $item['extid'] = trim(defaults($item, 'extid', ''));
1042 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1043 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1044 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1045 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1046 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1047 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1048 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1049 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1050 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1051 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1052 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1053 $item['title'] = trim(defaults($item, 'title', ''));
1054 $item['location'] = trim(defaults($item, 'location', ''));
1055 $item['coord'] = trim(defaults($item, 'coord', ''));
1056 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1057 $item['deleted'] = 0;
1058 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1059 $item['verb'] = trim(defaults($item, 'verb', ''));
1060 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1061 $item['object'] = trim(defaults($item, 'object', ''));
1062 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1063 $item['target'] = trim(defaults($item, 'target', ''));
1064 $item['plink'] = trim(defaults($item, 'plink', ''));
1065 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1066 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1067 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1068 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1069 $item['private'] = intval(defaults($item, 'private', 0));
1070 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1071 $item['body'] = trim(defaults($item, 'body', ''));
1072 $item['tag'] = trim(defaults($item, 'tag', ''));
1073 $item['attach'] = trim(defaults($item, 'attach', ''));
1074 $item['app'] = trim(defaults($item, 'app', ''));
1075 $item['origin'] = intval(defaults($item, 'origin', 0));
1076 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1077 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1078 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1079 $item['inform'] = trim(defaults($item, 'inform', ''));
1080 $item['file'] = trim(defaults($item, 'file', ''));
1082 // When there is no content then we don't post it
1083 if ($item['body'].$item['title'] == '') {
1084 logger('No body, no title.');
1088 // Items cannot be stored before they happen ...
1089 if ($item['created'] > DateTimeFormat::utcNow()) {
1090 $item['created'] = DateTimeFormat::utcNow();
1093 // We haven't invented time travel by now.
1094 if ($item['edited'] > DateTimeFormat::utcNow()) {
1095 $item['edited'] = DateTimeFormat::utcNow();
1098 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1099 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1102 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1104 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1105 $item["contact-id"] = self::contactId($item);
1107 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1108 'photo' => $item['author-avatar'], 'network' => $item['network']];
1110 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1112 if (Contact::isBlocked($item["author-id"])) {
1113 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1117 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1118 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1120 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1122 if (Contact::isBlocked($item["owner-id"])) {
1123 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1127 // These fields aren't stored anymore in the item table, they are fetched upon request
1128 unset($item['author-link']);
1129 unset($item['author-name']);
1130 unset($item['author-avatar']);
1132 unset($item['owner-link']);
1133 unset($item['owner-name']);
1134 unset($item['owner-avatar']);
1136 if ($item['network'] == NETWORK_PHANTOM) {
1137 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1139 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1140 if (!empty($contact['network'])) {
1141 $item['network'] = $contact["network"];
1143 $item['network'] = NETWORK_DFRN;
1145 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1148 // Checking if there is already an item with the same guid
1149 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1150 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1151 if (self::exists($condition)) {
1152 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1156 // Check for hashtags in the body and repair or add hashtag links
1157 self::setHashtags($item);
1159 $item['thr-parent'] = $item['parent-uri'];
1167 if ($item['parent-uri'] === $item['uri']) {
1169 $parent_deleted = 0;
1170 $allow_cid = $item['allow_cid'];
1171 $allow_gid = $item['allow_gid'];
1172 $deny_cid = $item['deny_cid'];
1173 $deny_gid = $item['deny_gid'];
1174 $notify_type = 'wall-new';
1176 // find the parent and snarf the item id and ACLs
1177 // and anything else we need to inherit
1179 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1180 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1181 'wall', 'private', 'forum_mode', 'origin'];
1182 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1183 $params = ['order' => ['id' => false]];
1184 $parent = dba::selectFirst('item', $fields, $condition, $params);
1186 if (DBM::is_result($parent)) {
1187 // is the new message multi-level threaded?
1188 // even though we don't support it now, preserve the info
1189 // and re-attach to the conversation parent.
1191 if ($parent['uri'] != $parent['parent-uri']) {
1192 $item['parent-uri'] = $parent['parent-uri'];
1194 $condition = ['uri' => $item['parent-uri'],
1195 'parent-uri' => $item['parent-uri'],
1196 'uid' => $item['uid']];
1197 $params = ['order' => ['id' => false]];
1198 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1200 if (DBM::is_result($toplevel_parent)) {
1201 $parent = $toplevel_parent;
1205 $parent_id = $parent['id'];
1206 $parent_deleted = $parent['deleted'];
1207 $allow_cid = $parent['allow_cid'];
1208 $allow_gid = $parent['allow_gid'];
1209 $deny_cid = $parent['deny_cid'];
1210 $deny_gid = $parent['deny_gid'];
1211 $item['wall'] = $parent['wall'];
1212 $notify_type = 'comment-new';
1215 * If the parent is private, force privacy for the entire conversation
1216 * This differs from the above settings as it subtly allows comments from
1217 * email correspondents to be private even if the overall thread is not.
1219 if ($parent['private']) {
1220 $item['private'] = $parent['private'];
1224 * Edge case. We host a public forum that was originally posted to privately.
1225 * The original author commented, but as this is a comment, the permissions
1226 * weren't fixed up so it will still show the comment as private unless we fix it here.
1228 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1229 $item['private'] = 0;
1232 // If its a post from myself then tag the thread as "mention"
1233 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1234 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1235 if (DBM::is_result($user)) {
1236 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1237 $self_id = Contact::getIdForURL($self, 0, true);
1238 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1239 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1240 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1241 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1246 * Allow one to see reply tweets from status.net even when
1247 * we don't have or can't see the original post.
1249 if ($force_parent) {
1250 logger('$force_parent=true, reply converted to top-level post.');
1252 $item['parent-uri'] = $item['uri'];
1253 $item['gravity'] = GRAVITY_PARENT;
1255 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1259 $parent_deleted = 0;
1263 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1264 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1265 if (self::exists($condition)) {
1266 logger('duplicated item with the same uri found. '.print_r($item,true));
1270 // On Friendica and Diaspora the GUID is unique
1271 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1272 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1273 if (self::exists($condition)) {
1274 logger('duplicated item with the same guid found. '.print_r($item,true));
1278 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1279 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1280 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1281 if (self::exists($condition)) {
1282 logger('duplicated item with the same body found. '.print_r($item,true));
1287 // Is this item available in the global items (with uid=0)?
1288 if ($item["uid"] == 0) {
1289 $item["global"] = true;
1291 // Set the global flag on all items if this was a global item entry
1292 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1294 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1298 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1301 $private = $item['private'];
1304 $item["allow_cid"] = $allow_cid;
1305 $item["allow_gid"] = $allow_gid;
1306 $item["deny_cid"] = $deny_cid;
1307 $item["deny_gid"] = $deny_gid;
1308 $item["private"] = $private;
1309 $item["deleted"] = $parent_deleted;
1311 // Fill the cache field
1312 put_item_in_cache($item);
1315 Addon::callHooks('post_local', $item);
1317 Addon::callHooks('post_remote', $item);
1320 // This array field is used to trigger some automatic reactions
1321 // It is mainly used in the "post_local" hook.
1322 unset($item['api_source']);
1324 if (x($item, 'cancel')) {
1325 logger('post cancelled by addon.');
1330 * Check for already added items.
1331 * There is a timing issue here that sometimes creates double postings.
1332 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1334 if ($item["uid"] == 0) {
1335 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1336 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1341 logger('' . print_r($item,true), LOGGER_DATA);
1343 // We are doing this outside of the transaction to avoid timing problems
1344 self::insertContent($item);
1347 $ret = dba::insert('item', $item);
1349 // When the item was successfully stored we fetch the ID of the item.
1350 if (DBM::is_result($ret)) {
1351 $current_post = dba::lastInsertId();
1353 // This can happen - for example - if there are locking timeouts.
1356 // Store the data into a spool file so that we can try again later.
1358 // At first we restore the Diaspora signature that we removed above.
1359 if (isset($encoded_signature)) {
1360 $item['dsprsig'] = $encoded_signature;
1363 // Now we store the data in the spool directory
1364 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1365 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1367 $spoolpath = get_spoolpath();
1368 if ($spoolpath != "") {
1369 $spool = $spoolpath.'/'.$file;
1370 file_put_contents($spool, json_encode($item));
1371 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1376 if ($current_post == 0) {
1377 // This is one of these error messages that never should occur.
1378 logger("couldn't find created item - we better quit now.");
1383 // How much entries have we created?
1384 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1385 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1388 // There are duplicates. We delete our just created entry.
1389 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1391 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1392 dba::delete('item', ['id' => $current_post]);
1395 } elseif ($entries == 0) {
1396 // This really should never happen since we quit earlier if there were problems.
1397 logger("Something is terribly wrong. We haven't found our created entry.");
1402 logger('created item '.$current_post);
1403 self::updateContact($item);
1405 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1406 $parent_id = $current_post;
1410 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1412 $item['id'] = $current_post;
1413 $item['parent'] = $parent_id;
1415 // update the commented timestamp on the parent
1416 // Only update "commented" if it is really a comment
1417 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1418 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1420 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1425 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1426 * We can check for this condition when we decode and encode the stuff again.
1428 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1429 $dsprsig->signature = base64_decode($dsprsig->signature);
1430 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1433 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1434 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1437 if (!empty($diaspora_signed_text)) {
1438 // Formerly we stored the signed text, the signature and the author in different fields.
1439 // We now store the raw data so that we are more flexible.
1440 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1443 $deleted = self::tagDeliver($item['uid'], $current_post);
1446 * current post can be deleted if is for a community page and no mention are
1449 if (!$deleted && !$dontcache) {
1450 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1451 if (DBM::is_result($posted_item)) {
1453 Addon::callHooks('post_local_end', $posted_item);
1455 Addon::callHooks('post_remote_end', $posted_item);
1458 logger('new item not found in DB, id ' . $current_post);
1462 if ($item['parent-uri'] === $item['uri']) {
1463 self::addThread($current_post);
1465 self::updateThread($parent_id);
1471 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1472 * This is not perfect - but a workable solution until we found the reason for the problem.
1474 Term::insertFromTagFieldByItemId($current_post);
1475 Term::insertFromFileFieldByItemId($current_post);
1477 if ($item['parent-uri'] === $item['uri']) {
1478 self::addShadow($current_post);
1480 self::addShadowPost($current_post);
1483 check_user_notification($current_post);
1486 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1487 } elseif (!empty($parent) && $parent['origin']) {
1488 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1491 return $current_post;
1495 * @brief Insert a new item content entry
1497 * @param array $item The item fields that are to be inserted
1499 private static function insertContent(&$item)
1501 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1502 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1504 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1505 if (isset($item[$field])) {
1506 $fields[$field] = $item[$field];
1507 unset($item[$field]);
1511 // To avoid timing problems, we are using locks.
1512 $locked = Lock::set('item_insert_content');
1514 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1517 // Do we already have this content?
1518 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1519 if (DBM::is_result($item_content)) {
1520 $item['icid'] = $item_content['id'];
1521 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1522 } elseif (dba::insert('item-content', $fields)) {
1523 $item['icid'] = dba::lastInsertId();
1524 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1526 // By setting the ICID value through the worker we should avoid timing problems.
1527 // When the locking works, this shouldn't be needed. But better be prepared.
1528 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']);
1529 logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously');
1532 Lock::remove('item_insert_content');
1537 * @brief Set the item content id for a given URI
1539 * @param string $uri The item URI
1541 public static function setICIDforURI($uri)
1543 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1544 if (DBM::is_result($item_content)) {
1545 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1546 logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows());
1548 logger('No item-content found for URI ' . $uri);
1553 * @brief Update existing item content entries
1555 * @param array $item The item fields that are to be changed
1556 * @param array $condition The condition for finding the item content entries
1558 private static function updateContent($item, $condition)
1560 // We have to select only the fields from the "item-content" table
1562 foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) {
1563 if (isset($item[$field])) {
1564 $fields[$field] = $item[$field];
1568 if (empty($fields)) {
1572 if (!empty($item['plink'])) {
1573 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1575 // Ensure that we don't delete the plink
1576 unset($fields['plink']);
1579 logger('Update content for URI ' . $condition['uri']);
1581 dba::update('item-content', $fields, $condition, true);
1585 * @brief Distributes public items to the receivers
1587 * @param integer $itemid Item ID that should be added
1588 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1590 public static function distribute($itemid, $signed_text = '')
1592 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1593 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1594 if (!DBM::is_result($parent)) {
1598 // Only distribute public items from native networks
1599 $condition = ['id' => $itemid, 'uid' => 0,
1600 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1601 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1602 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1603 if (!DBM::is_result($item)) {
1608 unset($item['parent']);
1609 unset($item['mention']);
1610 unset($item['wall']);
1611 unset($item['origin']);
1612 unset($item['starred']);
1616 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1617 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1618 $contacts = dba::select('contact', ['uid'], $condition);
1619 while ($contact = dba::fetch($contacts)) {
1620 $users[$contact['uid']] = $contact['uid'];
1625 if ($item['uri'] != $item['parent-uri']) {
1626 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1627 while ($parent = dba::fetch($parents)) {
1628 $users[$parent['uid']] = $parent['uid'];
1629 if ($parent['origin'] && !$item['origin']) {
1630 $origin_uid = $parent['uid'];
1635 foreach ($users as $uid) {
1636 if ($origin_uid == $uid) {
1637 $item['diaspora_signed_text'] = $signed_text;
1639 self::storeForUser($itemid, $item, $uid);
1644 * @brief Store public items for the receivers
1646 * @param integer $itemid Item ID that should be added
1647 * @param array $item The item entry that will be stored
1648 * @param integer $uid The user that will receive the item entry
1650 private static function storeForUser($itemid, $item, $uid)
1652 $item['uid'] = $uid;
1653 $item['origin'] = 0;
1655 if ($item['uri'] == $item['parent-uri']) {
1656 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1658 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1661 if (empty($item['contact-id'])) {
1662 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1663 if (!DBM::is_result($self)) {
1666 $item['contact-id'] = $self['id'];
1669 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1670 $item['type'] = 'remote-comment';
1671 } elseif ($item['type'] == 'wall') {
1672 $item['type'] = 'remote';
1675 /// @todo Handling of "event-id"
1678 if ($item['uri'] == $item['parent-uri']) {
1679 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1680 if (DBM::is_result($contact)) {
1681 $notify = self::isRemoteSelf($contact, $item);
1685 $distributed = self::insert($item, false, $notify, true);
1687 if (!$distributed) {
1688 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1690 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1695 * @brief Add a shadow entry for a given item id that is a thread starter
1697 * We store every public item entry additionally with the user id "0".
1698 * This is used for the community page and for the search.
1699 * It is planned that in the future we will store public item entries only once.
1701 * @param integer $itemid Item ID that should be added
1703 public static function addShadow($itemid)
1705 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1706 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1707 $item = dba::selectFirst('item', $fields, $condition);
1709 if (!DBM::is_result($item)) {
1713 // is it already a copy?
1714 if (($itemid == 0) || ($item['uid'] == 0)) {
1718 // Is it a visible public post?
1719 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1723 // is it an entry from a connector? Only add an entry for natively connected networks
1724 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1728 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1730 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1731 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1733 if (!self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1734 // Preparing public shadow (removing user specific data)
1737 unset($item['parent']);
1738 unset($item['wall']);
1739 unset($item['mention']);
1740 unset($item['origin']);
1741 unset($item['starred']);
1742 if ($item['uri'] == $item['parent-uri']) {
1743 $item['contact-id'] = $item['owner-id'];
1745 $item['contact-id'] = $item['author-id'];
1748 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1749 $item['type'] = 'remote-comment';
1750 } elseif ($item['type'] == 'wall') {
1751 $item['type'] = 'remote';
1754 $public_shadow = self::insert($item, false, false, true);
1756 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1762 * @brief Add a shadow entry for a given item id that is a comment
1764 * This function does the same like the function above - but for comments
1766 * @param integer $itemid Item ID that should be added
1768 public static function addShadowPost($itemid)
1770 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1771 if (!DBM::is_result($item)) {
1775 // Is it a toplevel post?
1776 if ($item['id'] == $item['parent']) {
1777 self::addShadow($itemid);
1781 // Is this a shadow entry?
1782 if ($item['uid'] == 0) {
1786 // Is there a shadow parent?
1787 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1791 // Is there already a shadow entry?
1792 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1796 // Save "origin" and "parent" state
1797 $origin = $item['origin'];
1798 $parent = $item['parent'];
1800 // Preparing public shadow (removing user specific data)
1803 unset($item['parent']);
1804 unset($item['wall']);
1805 unset($item['mention']);
1806 unset($item['origin']);
1807 unset($item['starred']);
1808 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1810 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1811 $item['type'] = 'remote-comment';
1812 } elseif ($item['type'] == 'wall') {
1813 $item['type'] = 'remote';
1816 $public_shadow = self::insert($item, false, false, true);
1818 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1820 // If this was a comment to a Diaspora post we don't get our comment back.
1821 // This means that we have to distribute the comment by ourselves.
1822 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1823 self::distribute($public_shadow);
1828 * Adds a language specification in a "language" element of given $arr.
1829 * Expects "body" element to exist in $arr.
1831 private static function addLanguageToItemArray(&$item)
1833 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1835 $ld = new Text_LanguageDetect();
1836 $ld->setNameMode(2);
1837 $languages = $ld->detect($naked_body, 3);
1839 if (is_array($languages)) {
1840 $item['language'] = json_encode($languages);
1845 * @brief Creates an unique guid out of a given uri
1847 * @param string $uri uri of an item entry
1848 * @param string $host hostname for the GUID prefix
1849 * @return string unique guid
1851 public static function guidFromUri($uri, $host)
1853 // Our regular guid routine is using this kind of prefix as well
1854 // We have to avoid that different routines could accidentally create the same value
1855 $parsed = parse_url($uri);
1857 // We use a hash of the hostname as prefix for the guid
1858 $guid_prefix = hash("crc32", $host);
1860 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1861 unset($parsed["scheme"]);
1863 // Glue it together to be able to make a hash from it
1864 $host_id = implode("/", $parsed);
1866 // We could use any hash algorithm since it isn't a security issue
1867 $host_hash = hash("ripemd128", $host_id);
1869 return $guid_prefix.$host_hash;
1873 * generate an unique URI
1875 * @param integer $uid User id
1876 * @param string $guid An existing GUID (Otherwise it will be generated)
1880 public static function newURI($uid, $guid = "")
1883 $guid = get_guid(32);
1886 $hostname = self::getApp()->get_hostname();
1888 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1890 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1896 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1898 * This can be used to filter for inactive contacts.
1899 * Only do this for public postings to avoid privacy problems, since poco data is public.
1900 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1902 * @param array $arr Contains the just posted item record
1904 private static function updateContact($arr)
1906 // Unarchive the author
1907 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1908 if (DBM::is_result($contact)) {
1909 Contact::unmarkForArchival($contact);
1912 // Unarchive the contact if it's not our own contact
1913 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1914 if (DBM::is_result($contact)) {
1915 Contact::unmarkForArchival($contact);
1918 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1920 // Is it a forum? Then we don't care about the rules from above
1921 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1922 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1928 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1929 ['id' => $arr['contact-id']]);
1931 // Now do the same for the system wide contacts with uid=0
1932 if (!$arr['private']) {
1933 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1934 ['id' => $arr['owner-id']]);
1936 if ($arr['owner-id'] != $arr['author-id']) {
1937 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1938 ['id' => $arr['author-id']]);
1943 public static function setHashtags(&$item)
1946 $tags = get_tags($item["body"]);
1949 if (!count($tags)) {
1953 // This sorting is important when there are hashtags that are part of other hashtags
1954 // Otherwise there could be problems with hashtags like #test and #test2
1957 $URLSearchString = "^\[\]";
1959 // All hashtags should point to the home server if "local_tags" is activated
1960 if (Config::get('system', 'local_tags')) {
1961 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1962 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1964 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1965 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1968 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1969 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1971 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1974 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1976 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1979 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1981 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1984 // Repair recursive urls
1985 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1986 "#$2", $item["body"]);
1988 foreach ($tags as $tag) {
1989 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
1993 $basetag = str_replace('_',' ',substr($tag,1));
1995 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
1997 $item["body"] = str_replace($tag, $newtag, $item["body"]);
1999 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2000 if (strlen($item["tag"])) {
2001 $item["tag"] = ','.$item["tag"];
2003 $item["tag"] = $newtag.$item["tag"];
2007 // Convert back the masked hashtags
2008 $item["body"] = str_replace("#", "#", $item["body"]);
2011 public static function getGuidById($id)
2013 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
2014 if (DBM::is_result($item)) {
2015 return $item['guid'];
2021 public static function getIdAndNickByGuid($guid, $uid = 0)
2027 $uid == local_user();
2030 // Does the given user have this item?
2032 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2033 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2034 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2035 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2036 if (DBM::is_result($item)) {
2038 $nick = $item["nickname"];
2042 // Or is it anywhere on the server?
2044 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2045 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2046 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2047 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
2048 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
2049 AND NOT `item`.`private` AND `item`.`wall`
2050 AND `item`.`guid` = ?", $guid);
2051 if (DBM::is_result($item)) {
2053 $nick = $item["nickname"];
2056 return ["nick" => $nick, "id" => $id];
2060 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2062 * @param int $item_id
2063 * @return bool true if item was deleted, else false
2065 private static function tagDeliver($uid, $item_id)
2069 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2070 if (!DBM::is_result($user)) {
2074 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2075 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2077 $item = dba::selectFirst('item', [], ['id' => $item_id]);
2078 if (!DBM::is_result($item)) {
2082 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2085 * Diaspora uses their own hardwired link URL in @-tags
2086 * instead of the one we supply with webfinger
2088 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2090 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2092 foreach ($matches as $mtch) {
2093 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2095 logger('mention found: ' . $mtch[2]);
2101 if (($community_page || $prvgroup) &&
2102 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2103 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2105 logger("no-mention top-level post to community or private group. delete.");
2106 dba::delete('item', ['id' => $item_id]);
2112 $arr = ['item' => $item, 'user' => $user];
2114 Addon::callHooks('tagged', $arr);
2116 if (!$community_page && !$prvgroup) {
2121 * tgroup delivery - setup a second delivery chain
2122 * prevent delivery looping - only proceed
2123 * if the message originated elsewhere and is a top-level post
2125 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2129 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2130 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2131 if (!DBM::is_result($self)) {
2135 $owner_id = Contact::getIdForURL($self['url']);
2137 // also reset all the privacy bits to the forum default permissions
2139 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2141 $forum_mode = ($prvgroup ? 2 : 1);
2143 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2144 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2145 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2146 dba::update('item', $fields, ['id' => $item_id]);
2148 self::updateThread($item_id);
2150 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2153 public static function isRemoteSelf($contact, &$datarray)
2157 if (!$contact['remote_self']) {
2161 // Prevent the forwarding of posts that are forwarded
2162 if ($datarray["extid"] == NETWORK_DFRN) {
2163 logger('Already forwarded', LOGGER_DEBUG);
2167 // Prevent to forward already forwarded posts
2168 if ($datarray["app"] == $a->get_hostname()) {
2169 logger('Already forwarded (second test)', LOGGER_DEBUG);
2173 // Only forward posts
2174 if ($datarray["verb"] != ACTIVITY_POST) {
2175 logger('No post', LOGGER_DEBUG);
2179 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2180 logger('Not public', LOGGER_DEBUG);
2184 $datarray2 = $datarray;
2185 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2186 if ($contact['remote_self'] == 2) {
2187 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2188 ['uid' => $contact['uid'], 'self' => true]);
2189 if (DBM::is_result($self)) {
2190 $datarray['contact-id'] = $self["id"];
2192 $datarray['owner-name'] = $self["name"];
2193 $datarray['owner-link'] = $self["url"];
2194 $datarray['owner-avatar'] = $self["thumb"];
2196 $datarray['author-name'] = $datarray['owner-name'];
2197 $datarray['author-link'] = $datarray['owner-link'];
2198 $datarray['author-avatar'] = $datarray['owner-avatar'];
2200 unset($datarray['created']);
2201 unset($datarray['edited']);
2203 unset($datarray['network']);
2204 unset($datarray['owner-id']);
2205 unset($datarray['author-id']);
2208 if ($contact['network'] != NETWORK_FEED) {
2209 $datarray["guid"] = get_guid(32);
2210 unset($datarray["plink"]);
2211 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2212 $datarray["parent-uri"] = $datarray["uri"];
2213 $datarray["thr-parent"] = $datarray["uri"];
2214 $datarray["extid"] = NETWORK_DFRN;
2215 $urlpart = parse_url($datarray2['author-link']);
2216 $datarray["app"] = $urlpart["host"];
2218 $datarray['private'] = 0;
2222 if ($contact['network'] != NETWORK_FEED) {
2223 // Store the original post
2224 $result = self::insert($datarray2, false, false);
2225 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2227 $datarray["app"] = "Feed";
2231 // Trigger automatic reactions for addons
2232 $datarray['api_source'] = true;
2234 // We have to tell the hooks who we are - this really should be improved
2235 $_SESSION["authenticated"] = true;
2236 $_SESSION["uid"] = $contact['uid'];
2245 * @param array $item
2249 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2251 if (Config::get('system', 'disable_embedded')) {
2255 logger('check for photos', LOGGER_DEBUG);
2256 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2261 $img_start = strpos($orig_body, '[img');
2262 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2263 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2265 while (($img_st_close !== false) && ($img_len !== false)) {
2266 $img_st_close++; // make it point to AFTER the closing bracket
2267 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2269 logger('found photo ' . $image, LOGGER_DEBUG);
2271 if (stristr($image, $site . '/photo/')) {
2272 // Only embed locally hosted photos
2274 $i = basename($image);
2275 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2276 $x = strpos($i, '-');
2279 $res = substr($i, $x + 1);
2280 $i = substr($i, 0, $x);
2281 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2282 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2283 if (DBM::is_result($photo)) {
2285 * Check to see if we should replace this photo link with an embedded image
2286 * 1. No need to do so if the photo is public
2287 * 2. If there's a contact-id provided, see if they're in the access list
2288 * for the photo. If so, embed it.
2289 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2290 * permissions, regardless of order but first check to see if they're an exact
2291 * match to save some processing overhead.
2293 if (self::hasPermissions($photo)) {
2295 $recips = self::enumeratePermissions($photo);
2296 if (in_array($cid, $recips)) {
2300 if (self::samePermissions($item, $photo)) {
2306 $data = $photo['data'];
2307 $type = $photo['type'];
2309 // If a custom width and height were specified, apply before embedding
2310 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2311 logger('scaling photo', LOGGER_DEBUG);
2313 $width = intval($match[1]);
2314 $height = intval($match[2]);
2316 $Image = new Image($data, $type);
2317 if ($Image->isValid()) {
2318 $Image->scaleDown(max($width, $height));
2319 $data = $Image->asString();
2320 $type = $Image->getType();
2324 logger('replacing photo', LOGGER_DEBUG);
2325 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2326 logger('replaced: ' . $image, LOGGER_DATA);
2332 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2333 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2334 if ($orig_body === false) {
2338 $img_start = strpos($orig_body, '[img');
2339 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2340 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2343 $new_body = $new_body . $orig_body;
2348 private static function hasPermissions($obj)
2352 x($obj, 'allow_cid')
2354 x($obj, 'allow_gid')
2363 private static function samePermissions($obj1, $obj2)
2365 // first part is easy. Check that these are exactly the same.
2366 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2367 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2368 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2369 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2373 // This is harder. Parse all the permissions and compare the resulting set.
2374 $recipients1 = self::enumeratePermissions($obj1);
2375 $recipients2 = self::enumeratePermissions($obj2);
2379 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2380 return ($recipients1 == $recipients2);
2383 // returns an array of contact-ids that are allowed to see this object
2384 private static function enumeratePermissions($obj)
2386 $allow_people = expand_acl($obj['allow_cid']);
2387 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2388 $deny_people = expand_acl($obj['deny_cid']);
2389 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2390 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2391 $deny = array_unique(array_merge($deny_people, $deny_groups));
2392 $recipients = array_diff($recipients, $deny);
2396 public static function getFeedTags($item)
2400 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2402 for ($x = 0; $x < $cnt; $x ++) {
2403 if ($matches[1][$x]) {
2404 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2409 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2411 for ($x = 0; $x < $cnt; $x ++) {
2412 if ($matches[1][$x]) {
2413 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2420 public static function expire($uid, $days, $network = "", $force = false)
2422 if (!$uid || ($days < 1)) {
2427 * $expire_network_only = save your own wall posts
2428 * and just expire conversations started by others
2430 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2431 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2433 if ($network != "") {
2434 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2437 * There is an index "uid_network_received" but not "uid_network_created"
2438 * This avoids the creation of another index just for one purpose.
2439 * And it doesn't really matter wether to look at "received" or "created"
2441 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2443 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2446 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2447 WHERE `uid` = %d $range
2455 if (!DBM::is_result($r)) {
2459 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2461 // Forcing expiring of items - but not notes and marked items
2463 $expire_items = true;
2466 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2467 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2468 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2470 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2472 foreach ($r as $item) {
2474 // don't expire filed items
2476 if (strpos($item['file'],'[') !== false) {
2480 // Only expire posts, not photos and photo comments
2482 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2484 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2486 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2488 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2492 self::deleteById($item['id'], PRIORITY_LOW);
2496 public static function firstPostDate($uid, $wall = false)
2498 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2499 $params = ['order' => ['created' => false]];
2500 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2501 if (DBM::is_result($thread)) {
2502 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2508 * @brief add/remove activity to an item
2510 * Toggle activities as like,dislike,attend of an item
2512 * @param string $item_id
2513 * @param string $verb
2514 * Activity verb. One of
2515 * like, unlike, dislike, undislike, attendyes, unattendyes,
2516 * attendno, unattendno, attendmaybe, unattendmaybe
2517 * @hook 'post_local_end'
2519 * 'post_id' => ID of posted item
2521 public static function performLike($item_id, $verb)
2523 if (!local_user() && !remote_user()) {
2530 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2531 $activity = ACTIVITY_LIKE;
2535 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2536 $activity = ACTIVITY_DISLIKE;
2540 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2541 $activity = ACTIVITY_ATTEND;
2545 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2546 $activity = ACTIVITY_ATTENDNO;
2549 case 'unattendmaybe':
2550 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2551 $activity = ACTIVITY_ATTENDMAYBE;
2554 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2558 // Enable activity toggling instead of on/off
2559 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2561 logger('like: verb ' . $verb . ' item ' . $item_id);
2563 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2564 if (!DBM::is_result($item)) {
2565 logger('like: unknown item ' . $item_id);
2569 $uid = $item['uid'];
2570 if (($uid == 0) && local_user()) {
2571 $uid = local_user();
2574 if (!can_write_wall($uid)) {
2575 logger('like: unable to write on wall ' . $uid);
2579 // Retrieves the local post owner
2580 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2581 if (!DBM::is_result($owner_self_contact)) {
2582 logger('like: unknown owner ' . $uid);
2586 // Retrieve the current logged in user's public contact
2587 $author_id = public_contact();
2589 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2590 if (!DBM::is_result($author_contact)) {
2591 logger('like: unknown author ' . $author_id);
2595 // Contact-id is the uid-dependant author contact
2596 if (local_user() == $uid) {
2597 $item_contact_id = $owner_self_contact['id'];
2598 $item_contact = $owner_self_contact;
2600 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2601 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2602 if (!DBM::is_result($item_contact)) {
2603 logger('like: unknown item contact ' . $item_contact_id);
2608 // Look for an existing verb row
2609 // event participation are essentially radio toggles. If you make a subsequent choice,
2610 // we need to eradicate your first choice.
2611 if ($event_verb_flag) {
2612 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2617 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2618 'author-id' => $author_contact['id'], 'uid' => item['uid']];
2620 $condition = array_merge($base_condition, ['parent' => $item_id]);
2621 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2623 if (!DBM::is_result($like_item)) {
2624 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2625 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2628 if (!DBM::is_result($like_item)) {
2629 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2630 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2633 // If it exists, mark it as deleted
2634 if (DBM::is_result($like_item)) {
2635 // Already voted, undo it
2636 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2637 /// @todo Consider using self::update - but before doing so, check the side effects
2638 dba::update('item', $fields, ['id' => $like_item['id']]);
2640 // Clean up the Diaspora signatures for this like
2641 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2642 // if it had been enabled in the past
2643 dba::delete('sign', ['iid' => $like_item['id']]);
2645 $like_item_id = $like_item['id'];
2646 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2648 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2653 // Verb is "un-something", just trying to delete existing entries
2654 if (strpos($verb, 'un') === 0) {
2658 // Else or if event verb different from existing row, create a new item row
2659 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2660 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2661 $post_type = L10n::t('event');
2663 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2664 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2665 $body = $item['body'];
2670 <type>$objtype</type>
2672 <id>{$item['uri']}</id>
2675 <content>$body</content>
2679 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2680 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2681 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2684 'guid' => get_guid(32),
2685 'uri' => self::newURI($item['uid']),
2686 'uid' => $item['uid'],
2687 'contact-id' => $item_contact_id,
2688 'type' => 'activity',
2689 'wall' => $item['wall'],
2691 'gravity' => GRAVITY_ACTIVITY,
2692 'parent' => $item['id'],
2693 'parent-uri' => $item['uri'],
2694 'thr-parent' => $item['uri'],
2695 'owner-id' => $item['owner-id'],
2696 'owner-name' => $item['owner-name'],
2697 'owner-link' => $item['owner-link'],
2698 'owner-avatar' => $item['owner-avatar'],
2699 'author-id' => $author_contact['id'],
2700 'author-name' => $author_contact['name'],
2701 'author-link' => $author_contact['url'],
2702 'author-avatar' => $author_contact['thumb'],
2703 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2704 'verb' => $activity,
2705 'object-type' => $objtype,
2707 'allow_cid' => $item['allow_cid'],
2708 'allow_gid' => $item['allow_gid'],
2709 'deny_cid' => $item['deny_cid'],
2710 'deny_gid' => $item['deny_gid'],
2715 $new_item_id = self::insert($new_item);
2717 // If the parent item isn't visible then set it to visible
2718 if (!$item['visible']) {
2719 self::update(['visible' => true], ['id' => $item['id']]);
2722 // Save the author information for the like in case we need to relay to Diaspora
2723 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2725 $new_item['id'] = $new_item_id;
2727 Addon::callHooks('post_local_end', $new_item);
2729 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2734 private static function addThread($itemid, $onlyshadow = false)
2736 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2737 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2738 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2739 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2740 $item = dba::selectFirst('item', $fields, $condition);
2742 if (!DBM::is_result($item)) {
2746 $item['iid'] = $itemid;
2749 $result = dba::insert('thread', $item);
2751 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2755 private static function updateThread($itemid, $setmention = false)
2757 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
2758 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2759 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2760 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2762 $item = dba::selectFirst('item', $fields, $condition);
2763 if (!DBM::is_result($item)) {
2768 $item["mention"] = 1;
2775 foreach ($item as $field => $data) {
2776 if (!in_array($field, ["guid"])) {
2777 $fields[$field] = $data;
2781 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2783 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2786 private static function deleteThread($itemid, $itemuri = "")
2788 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2789 if (!DBM::is_result($item)) {
2790 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2794 // Using dba::delete at this time could delete the associated item entries
2795 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2797 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2799 if ($itemuri != "") {
2800 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2801 if (!self::exists($condition)) {
2802 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2803 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);