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',
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 CONTENT_FIELDLIST = ['title', 'content-warning', 'body', 'location',
62 'coord', 'app', 'rendered-hash', 'rendered-html', 'verb',
63 'object-type', 'object', 'target-type', 'target', 'plink'];
65 // All fields in the item table
66 const ITEM_FIELDLIST = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
67 'contact-id', 'type', 'wall', 'gravity', 'extid', 'icid',
68 'created', 'edited', 'commented', 'received', 'changed', 'verb',
69 'postopts', 'plink', 'resource-id', 'event-id', 'tag', 'attach', 'inform',
70 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
71 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
72 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'network',
73 'title', 'content-warning', 'body', 'location', 'coord', 'app',
74 'rendered-hash', 'rendered-html', 'object-type', 'object', 'target-type', 'target',
75 'author-id', 'author-link', 'author-name', 'author-avatar',
76 'owner-id', 'owner-link', 'owner-name', 'owner-avatar'];
79 * @brief Fetch a single item row
81 * @param mixed $stmt statement object
82 * @return array current row
84 public static function fetch($stmt)
86 $row = dba::fetch($stmt);
88 // Fetch data from the item-content table whenever there is content there
89 foreach (self::CONTENT_FIELDLIST as $field) {
90 if (empty($row[$field]) && !empty($row['item-' . $field])) {
91 $row[$field] = $row['item-' . $field];
93 unset($row['item-' . $field]);
96 // We prefer the data from the user's contact over the public one
97 if (!empty($row['author-link']) && !empty($row['contact-link']) &&
98 ($row['author-link'] == $row['contact-link'])) {
99 if (isset($row['author-avatar']) && !empty($row['contact-avatar'])) {
100 $row['author-avatar'] = $row['contact-avatar'];
102 if (isset($row['author-name']) && !empty($row['contact-name'])) {
103 $row['author-name'] = $row['contact-name'];
107 if (!empty($row['owner-link']) && !empty($row['contact-link']) &&
108 ($row['owner-link'] == $row['contact-link'])) {
109 if (isset($row['owner-avatar']) && !empty($row['contact-avatar'])) {
110 $row['owner-avatar'] = $row['contact-avatar'];
112 if (isset($row['owner-name']) && !empty($row['contact-name'])) {
113 $row['owner-name'] = $row['contact-name'];
117 // We can always comment on posts from these networks
118 if (isset($row['writable']) && !empty($row['network']) &&
119 in_array($row['network'], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS])) {
120 $row['writable'] = true;
127 * @brief Fills an array with data from an item query
129 * @param object $stmt statement object
130 * @return array Data array
132 public static function inArray($stmt, $do_close = true) {
133 if (is_bool($stmt)) {
138 while ($row = self::fetch($stmt)) {
148 * @brief Check if item data exists
150 * @param array $condition array of fields for condition
152 * @return boolean Are there rows for that condition?
154 public static function exists($condition) {
155 $stmt = self::select(['id'], $condition, ['limit' => 1]);
157 if (is_bool($stmt)) {
160 $retval = (dba::num_rows($stmt) > 0);
169 * Retrieve a single record from the item table for a given user and returns it in an associative array
171 * @brief Retrieve a single record from a table
172 * @param integer $uid User ID
173 * @param array $fields
174 * @param array $condition
175 * @param array $params
179 public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = [])
181 $params['uid'] = $uid;
183 if (empty($selected)) {
184 $selected = Item::DISPLAY_FIELDLIST;
187 return self::selectFirst($selected, $condition, $params);
191 * @brief Select rows from the item table for a given user
193 * @param integer $uid User ID
194 * @param array $selected Array of selected fields, empty for all
195 * @param array $condition Array of fields for condition
196 * @param array $params Array of several parameters
198 * @return boolean|object
200 public static function selectForUser($uid, array $selected = [], array $condition = [], $params = [])
202 $params['uid'] = $uid;
204 if (empty($selected)) {
205 $selected = Item::DISPLAY_FIELDLIST;
208 return self::select($selected, $condition, $params);
212 * Retrieve a single record from the item table and returns it in an associative array
214 * @brief Retrieve a single record from a table
215 * @param array $fields
216 * @param array $condition
217 * @param array $params
221 public static function selectFirst(array $fields = [], array $condition = [], $params = [])
223 $params['limit'] = 1;
225 $result = self::select($fields, $condition, $params);
227 if (is_bool($result)) {
230 $row = self::fetch($result);
237 * @brief Select rows from the item table
239 * @param array $selected Array of selected fields, empty for all
240 * @param array $condition Array of fields for condition
241 * @param array $params Array of several parameters
243 * @return boolean|object
245 public static function select(array $selected = [], array $condition = [], $params = [])
250 if (isset($params['uid'])) {
251 $uid = $params['uid'];
255 $fields = self::fieldlist($selected);
257 $select_fields = self::constructSelectFields($fields, $selected);
259 $condition_string = dba::buildCondition($condition);
261 $condition_string = self::addTablesToFields($condition_string, $fields);
264 $condition_string = $condition_string . ' AND ' . self::condition(false);
267 $param_string = self::addTablesToFields(dba::buildParameter($params), $fields);
269 $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false);
271 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
273 return dba::p($sql, $condition);
277 * @brief Select rows from the starting post in the item table
279 * @param integer $uid User ID
280 * @param array $fields Array of selected fields, empty for all
281 * @param array $condition Array of fields for condition
282 * @param array $params Array of several parameters
284 * @return boolean|object
286 public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
288 $params['uid'] = $uid;
290 if (empty($selected)) {
291 $selected = Item::DISPLAY_FIELDLIST;
294 return self::selectThread($selected, $condition, $params);
298 * Retrieve a single record from the starting post in the item table and returns it in an associative array
300 * @brief Retrieve a single record from a table
301 * @param integer $uid User ID
302 * @param array $selected
303 * @param array $condition
304 * @param array $params
308 public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = [])
310 $params['uid'] = $uid;
312 if (empty($selected)) {
313 $selected = Item::DISPLAY_FIELDLIST;
316 return self::selectFirstThread($selected, $condition, $params);
320 * Retrieve a single record from the starting post in the item table and returns it in an associative array
322 * @brief Retrieve a single record from a table
323 * @param array $fields
324 * @param array $condition
325 * @param array $params
329 public static function selectFirstThread(array $fields = [], array $condition = [], $params = [])
331 $params['limit'] = 1;
332 $result = self::selectThread($fields, $condition, $params);
334 if (is_bool($result)) {
337 $row = self::fetch($result);
344 * @brief Select rows from the starting post in the item table
346 * @param array $selected Array of selected fields, empty for all
347 * @param array $condition Array of fields for condition
348 * @param array $params Array of several parameters
350 * @return boolean|object
352 public static function selectThread(array $selected = [], array $condition = [], $params = [])
357 if (isset($params['uid'])) {
358 $uid = $params['uid'];
362 $fields = self::fieldlist($selected);
364 $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id',
365 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private',
366 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark',
367 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']];
369 $select_fields = self::constructSelectFields($fields, $selected);
371 $condition_string = dba::buildCondition($condition);
373 $condition_string = self::addTablesToFields($condition_string, $threadfields);
374 $condition_string = self::addTablesToFields($condition_string, $fields);
377 $condition_string = $condition_string . ' AND ' . self::condition(true);
380 $param_string = dba::buildParameter($params);
381 $param_string = self::addTablesToFields($param_string, $threadfields);
382 $param_string = self::addTablesToFields($param_string, $fields);
384 $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true);
386 $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string;
388 return dba::p($sql, $condition);
392 * @brief Returns a list of fields that are associated with the item table
394 * @return array field list
396 private static function fieldlist($selected)
400 $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid',
401 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid',
402 'created', 'edited', 'commented', 'received', 'changed', 'postopts',
403 'resource-id', 'event-id', 'tag', 'attach', 'inform',
404 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
405 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark',
406 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global',
407 'id' => 'item_id', 'network', 'icid'];
409 $fields['item-content'] = self::CONTENT_FIELDLIST;
411 $fields['author'] = ['url' => 'author-link', 'name' => 'author-name',
412 'thumb' => 'author-avatar', 'nick' => 'author-nick'];
414 $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name',
415 'thumb' => 'owner-avatar', 'nick' => 'owner-nick'];
417 $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar',
418 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid',
419 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id'];
421 $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network'];
423 $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name'];
425 $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited',
426 'start' => 'event-start','finish' => 'event-finish',
427 'summary' => 'event-summary','desc' => 'event-desc',
428 'location' => 'event-location', 'type' => 'event-type',
429 'nofinish' => 'event-nofinish','adjust' => 'event-adjust',
430 'ignore' => 'event-ignore', 'id' => 'event-id'];
432 $fields['sign'] = ['signed_text', 'signature', 'signer'];
438 * @brief Returns SQL condition for the "select" functions
440 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
442 * @return string SQL condition
444 private static function condition($thread_mode)
447 $master_table = "`thread`";
449 $master_table = "`item`";
451 return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) ";
455 * @brief Returns all needed "JOIN" commands for the "select" functions
457 * @param integer $uid User ID
458 * @param string $sql_commands The parts of the built SQL commands in the "select" functions
459 * @param boolean $thread_mode Called for the items (false) or for the threads (true)
461 * @return string The SQL joins for the "select" functions
463 private static function constructJoins($uid, $sql_commands, $thread_mode)
466 $master_table = "`thread`";
467 $master_table_key = "`thread`.`iid`";
468 $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` ";
470 $master_table = "`item`";
471 $master_table_key = "`item`.`id`";
475 $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id`
476 AND NOT `contact`.`blocked`
477 AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s)))
478 OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0)
479 STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked`
480 STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked`
481 LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d",
482 CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid));
484 if (strpos($sql_commands, "`group_member`.") !== false) {
485 $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`";
488 if (strpos($sql_commands, "`user`.") !== false) {
489 $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`";
492 if (strpos($sql_commands, "`event`.") !== false) {
493 $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`";
496 if (strpos($sql_commands, "`sign`.") !== false) {
497 $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`";
500 if (strpos($sql_commands, "`item-content`.") !== false) {
501 $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`";
504 if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) {
505 $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`";
508 if (strpos($sql_commands, "`parent-item-author`.") !== false) {
509 $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`";
516 * @brief Add the field list for the "select" functions
518 * @param array $fields The field definition array
519 * @param array $selected The array with the selected fields from the "select" functions
521 * @return string The field list
523 private static function constructSelectFields($fields, $selected)
526 foreach ($fields as $table => $table_fields) {
527 foreach ($table_fields as $field => $select) {
528 if (empty($selected) || in_array($select, $selected)) {
529 if (in_array($select, self::CONTENT_FIELDLIST)) {
530 $selection[] = "`item`.`".$select."` AS `item-" . $select . "`";
532 if (is_int($field)) {
533 $selection[] = "`" . $table . "`.`" . $select . "`";
535 $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`";
540 return implode(", ", $selection);
544 * @brief add table definition to fields in an SQL query
546 * @param string $query SQL query
547 * @param array $fields The field definition array
549 * @return string the changed SQL query
551 private static function addTablesToFields($query, $fields)
553 foreach ($fields as $table => $table_fields) {
554 foreach ($table_fields as $alias => $field) {
555 if (is_int($alias)) {
556 $replace_field = $field;
558 $replace_field = $alias;
561 $search = "/([^\.])`" . $field . "`/i";
562 $replace = "$1`" . $table . "`.`" . $replace_field . "`";
563 $query = preg_replace($search, $replace, $query);
570 * @brief Update existing item entries
572 * @param array $fields The fields that are to be changed
573 * @param array $condition The condition for finding the item entries
575 * In the future we may have to change permissions as well.
576 * Then we had to add the user id as third parameter.
578 * A return value of "0" doesn't mean an error - but that 0 rows had been changed.
580 * @return integer|boolean number of affected rows - or "false" if there was an error
582 public static function update(array $fields, array $condition)
584 if (empty($condition) || empty($fields)) {
588 // To ensure the data integrity we do it in an transaction
591 // We cannot simply expand the condition to check for origin entries
592 // The condition needn't to be a simple array but could be a complex condition.
593 // And we have to execute this query before the update to ensure to fetch the same data.
594 $items = dba::select('item', ['id', 'origin', 'uri', 'plink'], $condition);
596 $content_fields = [];
597 foreach (self::CONTENT_FIELDLIST as $field) {
598 if (isset($fields[$field])) {
599 $content_fields[$field] = $fields[$field];
600 unset($fields[$field]);
604 if (!empty($fields)) {
605 $success = dba::update('item', $fields, $condition);
614 // When there is no content for the "old" item table, this will count the fetched items
615 $rows = dba::affected_rows();
617 while ($item = dba::fetch($items)) {
618 if (!empty($item['plink'])) {
619 $content_fields['plink'] = $item['plink'];
621 self::updateContent($content_fields, ['uri' => $item['uri']]);
622 Term::insertFromTagFieldByItemId($item['id']);
623 Term::insertFromFileFieldByItemId($item['id']);
624 self::updateThread($item['id']);
626 // We only need to notfiy others when it is an original entry from us.
627 // Only call the notifier when the item has some content relevant change.
628 if ($item['origin'] && in_array('edited', array_keys($fields))) {
629 Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']);
639 * @brief Delete an item and notify others about it - if it was ours
641 * @param array $condition The condition for finding the item entries
642 * @param integer $priority Priority for the notification
644 public static function delete($condition, $priority = PRIORITY_HIGH)
646 $items = dba::select('item', ['id'], $condition);
647 while ($item = dba::fetch($items)) {
648 self::deleteById($item['id'], $priority);
654 * @brief Delete an item for an user and notify others about it - if it was ours
656 * @param array $condition The condition for finding the item entries
657 * @param integer $uid User who wants to delete this item
659 public static function deleteForUser($condition, $uid)
665 $items = dba::select('item', ['id', 'uid'], $condition);
666 while ($item = dba::fetch($items)) {
667 // "Deleting" global items just means hiding them
668 if ($item['uid'] == 0) {
669 dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true);
670 } elseif ($item['uid'] == $uid) {
671 self::deleteById($item['id'], PRIORITY_HIGH);
673 logger('Wrong ownership. Not deleting item ' . $item['id']);
680 * @brief Delete an item and notify others about it - if it was ours
682 * @param integer $item_id Item ID that should be delete
683 * @param integer $priority Priority for the notification
685 * @return boolean success
687 private static function deleteById($item_id, $priority = PRIORITY_HIGH)
689 // locate item to be deleted
690 $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin',
691 'deleted', 'file', 'resource-id', 'event-id', 'attach',
692 'verb', 'object-type', 'object', 'target', 'contact-id'];
693 $item = dba::selectFirst('item', $fields, ['id' => $item_id]);
694 if (!DBM::is_result($item)) {
695 logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG);
699 if ($item['deleted']) {
700 logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG);
704 $parent = dba::selectFirst('item', ['origin'], ['id' => $item['parent']]);
705 if (!DBM::is_result($parent)) {
706 $parent = ['origin' => false];
709 // clean up categories and tags so they don't end up as orphans
712 $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER);
714 foreach ($matches as $mtch) {
715 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true);
721 $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER);
723 foreach ($matches as $mtch) {
724 file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false);
729 * If item is a link to a photo resource, nuke all the associated photos
730 * (visitors will not have photo resources)
731 * This only applies to photos uploaded from the photos page. Photos inserted into a post do not
732 * generate a resource-id and therefore aren't intimately linked to the item.
734 if (strlen($item['resource-id'])) {
735 dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]);
738 // If item is a link to an event, delete the event.
739 if (intval($item['event-id'])) {
740 Event::delete($item['event-id']);
743 // If item has attachments, drop them
744 foreach (explode(", ", $item['attach']) as $attach) {
745 preg_match("|attach/(\d+)|", $attach, $matches);
746 dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]);
749 // Delete tags that had been attached to other items
750 self::deleteTagsFromItem($item);
752 // Set the item to "deleted"
753 dba::update('item', ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()],
754 ['id' => $item['id']]);
756 Term::insertFromTagFieldByItemId($item['id']);
757 Term::insertFromFileFieldByItemId($item['id']);
758 self::deleteThread($item['id'], $item['parent-uri']);
760 if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) {
761 self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority);
764 // If it's the parent of a comment thread, kill all the kids
765 if ($item['id'] == $item['parent']) {
766 self::delete(['parent' => $item['parent'], 'deleted' => false], $priority);
769 // Is it our comment and/or our thread?
770 if ($item['origin'] || $parent['origin']) {
772 // When we delete the original post we will delete all existing copies on the server as well
773 self::delete(['uri' => $item['uri'], 'deleted' => false], $priority);
775 // send the notification upstream/downstream
776 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id']));
777 } elseif ($item['uid'] != 0) {
779 // When we delete just our local user copy of an item, we have to set a marker to hide it
780 $global_item = dba::selectFirst('item', ['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]);
781 if (DBM::is_result($global_item)) {
782 dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true);
786 logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG);
791 private static function deleteTagsFromItem($item)
793 if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) {
797 $xo = XML::parseString($item["object"], false);
798 $xt = XML::parseString($item["target"], false);
800 if ($xt->type != ACTIVITY_OBJ_NOTE) {
804 $i = dba::selectFirst('item', ['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]);
805 if (!DBM::is_result($i)) {
809 // For tags, the owner cannot remove the tag on the author's copy of the post.
810 $owner_remove = ($item["contact-id"] == $i["contact-id"]);
811 $author_copy = $item["origin"];
813 if (($owner_remove && $author_copy) || !$owner_remove) {
817 $tags = explode(',', $i["tag"]);
820 foreach ($tags as $tag) {
821 if (trim($tag) !== trim($xo->body)) {
822 $newtags[] = trim($tag);
826 self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]);
829 private static function guid($item, $notify)
831 $guid = notags(trim($item['guid']));
838 // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri.
839 // We add the hash of our own host because our host is the original creator of the post.
840 $prefix_host = get_app()->get_hostname();
844 // We are only storing the post so we create a GUID from the original hostname.
845 if (!empty($item['author-link'])) {
846 $parsed = parse_url($item['author-link']);
847 if (!empty($parsed['host'])) {
848 $prefix_host = $parsed['host'];
852 if (empty($prefix_host) && !empty($item['plink'])) {
853 $parsed = parse_url($item['plink']);
854 if (!empty($parsed['host'])) {
855 $prefix_host = $parsed['host'];
859 if (empty($prefix_host) && !empty($item['uri'])) {
860 $parsed = parse_url($item['uri']);
861 if (!empty($parsed['host'])) {
862 $prefix_host = $parsed['host'];
866 // Is it in the format data@host.tld? - Used for mail contacts
867 if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) {
868 $mailparts = explode('@', $item['author-link']);
869 $prefix_host = array_pop($mailparts);
873 if (!empty($item['plink'])) {
874 $guid = self::guidFromUri($item['plink'], $prefix_host);
875 } elseif (!empty($item['uri'])) {
876 $guid = self::guidFromUri($item['uri'], $prefix_host);
878 $guid = get_guid(32, hash('crc32', $prefix_host));
884 private static function contactId($item)
886 $contact_id = (int)$item["contact-id"];
888 if (!empty($contact_id)) {
891 logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG);
893 * First we are looking for a suitable contact that matches with the author of the post
894 * This is done only for comments
896 if ($item['parent-uri'] != $item['uri']) {
897 $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']);
900 // If not present then maybe the owner was found
901 if ($contact_id == 0) {
902 $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']);
905 // Still missing? Then use the "self" contact of the current user
906 if ($contact_id == 0) {
907 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]);
908 if (DBM::is_result($self)) {
909 $contact_id = $self["id"];
912 logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG);
917 public static function insert($item, $force_parent = false, $notify = false, $dontcache = false)
921 // If it is a posting where users should get notifications, then define it as wall posting
924 $item['type'] = 'wall';
926 $item['network'] = NETWORK_DFRN;
927 $item['protocol'] = PROTOCOL_DFRN;
929 if (is_int($notify)) {
932 $priority = PRIORITY_HIGH;
935 $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM));
938 $item['guid'] = self::guid($item, $notify);
939 $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid']))));
941 // Store conversation data
942 $item = Conversation::insert($item);
945 * If a Diaspora signature structure was passed in, pull it out of the
946 * item array and set it aside for later storage.
950 if (x($item, 'dsprsig')) {
951 $encoded_signature = $item['dsprsig'];
952 $dsprsig = json_decode(base64_decode($item['dsprsig']));
953 unset($item['dsprsig']);
956 if (!empty($item['diaspora_signed_text'])) {
957 $diaspora_signed_text = $item['diaspora_signed_text'];
958 unset($item['diaspora_signed_text']);
960 $diaspora_signed_text = '';
963 // Converting the plink
964 /// @TODO Check if this is really still needed
965 if ($item['network'] == NETWORK_OSTATUS) {
966 if (isset($item['plink'])) {
967 $item['plink'] = OStatus::convertHref($item['plink']);
968 } elseif (isset($item['uri'])) {
969 $item['plink'] = OStatus::convertHref($item['uri']);
973 if (!empty($item['thr-parent'])) {
974 $item['parent-uri'] = $item['thr-parent'];
977 $item['type'] = defaults($item, 'type', 'remote');
979 if (isset($item['gravity'])) {
980 $item['gravity'] = intval($item['gravity']);
981 } elseif ($item['parent-uri'] === $item['uri']) {
982 $item['gravity'] = GRAVITY_PARENT;
983 } elseif (activity_match($item['verb'], ACTIVITY_POST)) {
984 $item['gravity'] = GRAVITY_COMMENT;
985 } elseif ($item['type'] == 'activity') {
986 $item['gravity'] = GRAVITY_ACTIVITY;
988 $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen
989 logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG);
992 $uid = intval($item['uid']);
994 // check for create date and expire time
995 $expire_interval = Config::get('system', 'dbclean-expire-days', 0);
997 $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]);
998 if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) {
999 $expire_interval = $user['expire'];
1002 if (($expire_interval > 0) && !empty($item['created'])) {
1003 $expire_date = time() - ($expire_interval * 86400);
1004 $created_date = strtotime($item['created']);
1005 if ($created_date < $expire_date) {
1006 logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG);
1012 * Do we already have this item?
1013 * We have to check several networks since Friendica posts could be repeated
1014 * via OStatus (maybe Diasporsa as well)
1016 if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) {
1017 $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)",
1018 trim($item['uri']), $item['uid'],
1019 NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS];
1020 $existing = dba::selectFirst('item', ['id', 'network'], $condition);
1021 if (DBM::is_result($existing)) {
1022 // We only log the entries with a different user id than 0. Otherwise we would have too many false positives
1024 logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']);
1027 return $existing["id"];
1031 self::addLanguageInPostopts($item);
1033 $item['wall'] = intval(defaults($item, 'wall', 0));
1034 $item['extid'] = trim(defaults($item, 'extid', ''));
1035 $item['author-name'] = trim(defaults($item, 'author-name', ''));
1036 $item['author-link'] = trim(defaults($item, 'author-link', ''));
1037 $item['author-avatar'] = trim(defaults($item, 'author-avatar', ''));
1038 $item['owner-name'] = trim(defaults($item, 'owner-name', ''));
1039 $item['owner-link'] = trim(defaults($item, 'owner-link', ''));
1040 $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', ''));
1041 $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow());
1042 $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']);
1043 $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']);
1044 $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']);
1045 $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']);
1046 $item['title'] = trim(defaults($item, 'title', ''));
1047 $item['location'] = trim(defaults($item, 'location', ''));
1048 $item['coord'] = trim(defaults($item, 'coord', ''));
1049 $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1);
1050 $item['deleted'] = 0;
1051 $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri']));
1052 $item['verb'] = trim(defaults($item, 'verb', ''));
1053 $item['object-type'] = trim(defaults($item, 'object-type', ''));
1054 $item['object'] = trim(defaults($item, 'object', ''));
1055 $item['target-type'] = trim(defaults($item, 'target-type', ''));
1056 $item['target'] = trim(defaults($item, 'target', ''));
1057 $item['plink'] = trim(defaults($item, 'plink', ''));
1058 $item['allow_cid'] = trim(defaults($item, 'allow_cid', ''));
1059 $item['allow_gid'] = trim(defaults($item, 'allow_gid', ''));
1060 $item['deny_cid'] = trim(defaults($item, 'deny_cid', ''));
1061 $item['deny_gid'] = trim(defaults($item, 'deny_gid', ''));
1062 $item['private'] = intval(defaults($item, 'private', 0));
1063 $item['bookmark'] = intval(defaults($item, 'bookmark', 0));
1064 $item['body'] = trim(defaults($item, 'body', ''));
1065 $item['tag'] = trim(defaults($item, 'tag', ''));
1066 $item['attach'] = trim(defaults($item, 'attach', ''));
1067 $item['app'] = trim(defaults($item, 'app', ''));
1068 $item['origin'] = intval(defaults($item, 'origin', 0));
1069 $item['postopts'] = trim(defaults($item, 'postopts', ''));
1070 $item['resource-id'] = trim(defaults($item, 'resource-id', ''));
1071 $item['event-id'] = intval(defaults($item, 'event-id', 0));
1072 $item['inform'] = trim(defaults($item, 'inform', ''));
1073 $item['file'] = trim(defaults($item, 'file', ''));
1075 // When there is no content then we don't post it
1076 if ($item['body'].$item['title'] == '') {
1077 logger('No body, no title.');
1081 // Items cannot be stored before they happen ...
1082 if ($item['created'] > DateTimeFormat::utcNow()) {
1083 $item['created'] = DateTimeFormat::utcNow();
1086 // We haven't invented time travel by now.
1087 if ($item['edited'] > DateTimeFormat::utcNow()) {
1088 $item['edited'] = DateTimeFormat::utcNow();
1091 if (($item['author-link'] == "") && ($item['owner-link'] == "")) {
1092 logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG);
1095 $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid']));
1097 // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes
1098 $item["contact-id"] = self::contactId($item);
1100 $default = ['url' => $item['author-link'], 'name' => $item['author-name'],
1101 'photo' => $item['author-avatar'], 'network' => $item['network']];
1103 $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default));
1105 if (Contact::isBlocked($item["author-id"])) {
1106 logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored');
1110 $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'],
1111 'photo' => $item['owner-avatar'], 'network' => $item['network']];
1113 $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default));
1115 if (Contact::isBlocked($item["owner-id"])) {
1116 logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored');
1120 // These fields aren't stored anymore in the item table, they are fetched upon request
1121 unset($item['author-link']);
1122 unset($item['author-name']);
1123 unset($item['author-avatar']);
1125 unset($item['owner-link']);
1126 unset($item['owner-name']);
1127 unset($item['owner-avatar']);
1129 if ($item['network'] == NETWORK_PHANTOM) {
1130 logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG);
1132 $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']);
1133 if (!empty($contact['network'])) {
1134 $item['network'] = $contact["network"];
1136 $item['network'] = NETWORK_DFRN;
1138 logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG);
1141 // Checking if there is already an item with the same guid
1142 logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG);
1143 $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']];
1144 if (self::exists($condition)) {
1145 logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG);
1149 // Check for hashtags in the body and repair or add hashtag links
1150 self::setHashtags($item);
1152 $item['thr-parent'] = $item['parent-uri'];
1160 if ($item['parent-uri'] === $item['uri']) {
1162 $parent_deleted = 0;
1163 $allow_cid = $item['allow_cid'];
1164 $allow_gid = $item['allow_gid'];
1165 $deny_cid = $item['deny_cid'];
1166 $deny_gid = $item['deny_gid'];
1167 $notify_type = 'wall-new';
1169 // find the parent and snarf the item id and ACLs
1170 // and anything else we need to inherit
1172 $fields = ['uri', 'parent-uri', 'id', 'deleted',
1173 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid',
1174 'wall', 'private', 'forum_mode', 'origin'];
1175 $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']];
1176 $params = ['order' => ['id' => false]];
1177 $parent = dba::selectFirst('item', $fields, $condition, $params);
1179 if (DBM::is_result($parent)) {
1180 // is the new message multi-level threaded?
1181 // even though we don't support it now, preserve the info
1182 // and re-attach to the conversation parent.
1184 if ($parent['uri'] != $parent['parent-uri']) {
1185 $item['parent-uri'] = $parent['parent-uri'];
1187 $condition = ['uri' => $item['parent-uri'],
1188 'parent-uri' => $item['parent-uri'],
1189 'uid' => $item['uid']];
1190 $params = ['order' => ['id' => false]];
1191 $toplevel_parent = dba::selectFirst('item', $fields, $condition, $params);
1193 if (DBM::is_result($toplevel_parent)) {
1194 $parent = $toplevel_parent;
1198 $parent_id = $parent['id'];
1199 $parent_deleted = $parent['deleted'];
1200 $allow_cid = $parent['allow_cid'];
1201 $allow_gid = $parent['allow_gid'];
1202 $deny_cid = $parent['deny_cid'];
1203 $deny_gid = $parent['deny_gid'];
1204 $item['wall'] = $parent['wall'];
1205 $notify_type = 'comment-new';
1208 * If the parent is private, force privacy for the entire conversation
1209 * This differs from the above settings as it subtly allows comments from
1210 * email correspondents to be private even if the overall thread is not.
1212 if ($parent['private']) {
1213 $item['private'] = $parent['private'];
1217 * Edge case. We host a public forum that was originally posted to privately.
1218 * The original author commented, but as this is a comment, the permissions
1219 * weren't fixed up so it will still show the comment as private unless we fix it here.
1221 if ((intval($parent['forum_mode']) == 1) && $parent['private']) {
1222 $item['private'] = 0;
1225 // If its a post from myself then tag the thread as "mention"
1226 logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG);
1227 $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]);
1228 if (DBM::is_result($user)) {
1229 $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
1230 $self_id = Contact::getIdForURL($self, 0, true);
1231 logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG);
1232 if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) {
1233 dba::update('thread', ['mention' => true], ['iid' => $parent_id]);
1234 logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG);
1239 * Allow one to see reply tweets from status.net even when
1240 * we don't have or can't see the original post.
1242 if ($force_parent) {
1243 logger('$force_parent=true, reply converted to top-level post.');
1245 $item['parent-uri'] = $item['uri'];
1246 $item['gravity'] = GRAVITY_PARENT;
1248 logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item');
1252 $parent_deleted = 0;
1256 $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?",
1257 $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']];
1258 if (self::exists($condition)) {
1259 logger('duplicated item with the same uri found. '.print_r($item,true));
1263 // On Friendica and Diaspora the GUID is unique
1264 if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) {
1265 $condition = ['guid' => $item['guid'], 'uid' => $item['uid']];
1266 if (self::exists($condition)) {
1267 logger('duplicated item with the same guid found. '.print_r($item,true));
1271 // Check for an existing post with the same content. There seems to be a problem with OStatus.
1272 $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?",
1273 $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']];
1274 if (self::exists($condition)) {
1275 logger('duplicated item with the same body found. '.print_r($item,true));
1280 // Is this item available in the global items (with uid=0)?
1281 if ($item["uid"] == 0) {
1282 $item["global"] = true;
1284 // Set the global flag on all items if this was a global item entry
1285 dba::update('item', ['global' => true], ['uri' => $item["uri"]]);
1287 $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]);
1291 if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) {
1294 $private = $item['private'];
1297 $item["allow_cid"] = $allow_cid;
1298 $item["allow_gid"] = $allow_gid;
1299 $item["deny_cid"] = $deny_cid;
1300 $item["deny_gid"] = $deny_gid;
1301 $item["private"] = $private;
1302 $item["deleted"] = $parent_deleted;
1304 // Fill the cache field
1305 put_item_in_cache($item);
1308 Addon::callHooks('post_local', $item);
1310 Addon::callHooks('post_remote', $item);
1313 // This array field is used to trigger some automatic reactions
1314 // It is mainly used in the "post_local" hook.
1315 unset($item['api_source']);
1317 if (x($item, 'cancel')) {
1318 logger('post cancelled by addon.');
1323 * Check for already added items.
1324 * There is a timing issue here that sometimes creates double postings.
1325 * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this.
1327 if ($item["uid"] == 0) {
1328 if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) {
1329 logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG);
1334 logger('' . print_r($item,true), LOGGER_DATA);
1337 self::insertContent($item);
1338 $ret = dba::insert('item', $item);
1340 // When the item was successfully stored we fetch the ID of the item.
1341 if (DBM::is_result($ret)) {
1342 $current_post = dba::lastInsertId();
1344 // This can happen - for example - if there are locking timeouts.
1347 // Store the data into a spool file so that we can try again later.
1349 // At first we restore the Diaspora signature that we removed above.
1350 if (isset($encoded_signature)) {
1351 $item['dsprsig'] = $encoded_signature;
1354 // Now we store the data in the spool directory
1355 // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates
1356 $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg';
1358 $spoolpath = get_spoolpath();
1359 if ($spoolpath != "") {
1360 $spool = $spoolpath.'/'.$file;
1361 file_put_contents($spool, json_encode($item));
1362 logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG);
1367 if ($current_post == 0) {
1368 // This is one of these error messages that never should occur.
1369 logger("couldn't find created item - we better quit now.");
1374 // How much entries have we created?
1375 // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them.
1376 $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]);
1379 // There are duplicates. We delete our just created entry.
1380 logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']);
1382 // Yes, we could do a rollback here - but we are having many users with MyISAM.
1383 dba::delete('item', ['id' => $current_post]);
1386 } elseif ($entries == 0) {
1387 // This really should never happen since we quit earlier if there were problems.
1388 logger("Something is terribly wrong. We haven't found our created entry.");
1393 logger('created item '.$current_post);
1394 self::updateContact($item);
1396 if (!$parent_id || ($item['parent-uri'] === $item['uri'])) {
1397 $parent_id = $current_post;
1401 dba::update('item', ['parent' => $parent_id], ['id' => $current_post]);
1403 $item['id'] = $current_post;
1404 $item['parent'] = $parent_id;
1406 // update the commented timestamp on the parent
1407 // Only update "commented" if it is really a comment
1408 if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) {
1409 dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1411 dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]);
1416 * Friendica servers lower than 3.4.3-2 had double encoded the signature ...
1417 * We can check for this condition when we decode and encode the stuff again.
1419 if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) {
1420 $dsprsig->signature = base64_decode($dsprsig->signature);
1421 logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG);
1424 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text,
1425 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]);
1428 if (!empty($diaspora_signed_text)) {
1429 // Formerly we stored the signed text, the signature and the author in different fields.
1430 // We now store the raw data so that we are more flexible.
1431 dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]);
1434 $deleted = self::tagDeliver($item['uid'], $current_post);
1437 * current post can be deleted if is for a community page and no mention are
1440 if (!$deleted && !$dontcache) {
1441 $posted_item = dba::selectFirst('item', [], ['id' => $current_post]);
1442 if (DBM::is_result($posted_item)) {
1444 Addon::callHooks('post_local_end', $posted_item);
1446 Addon::callHooks('post_remote_end', $posted_item);
1449 logger('new item not found in DB, id ' . $current_post);
1453 if ($item['parent-uri'] === $item['uri']) {
1454 self::addThread($current_post);
1456 self::updateThread($parent_id);
1462 * Due to deadlock issues with the "term" table we are doing these steps after the commit.
1463 * This is not perfect - but a workable solution until we found the reason for the problem.
1465 Term::insertFromTagFieldByItemId($current_post);
1466 Term::insertFromFileFieldByItemId($current_post);
1468 if ($item['parent-uri'] === $item['uri']) {
1469 self::addShadow($current_post);
1471 self::addShadowPost($current_post);
1474 check_user_notification($current_post);
1477 Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post);
1478 } elseif (!empty($parent) && $parent['origin']) {
1479 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post);
1482 return $current_post;
1486 * @brief Insert a new item content entry
1488 * @param array $item The item fields that are to be inserted
1490 private static function insertContent(&$item)
1492 $fields = ['uri' => $item['uri'], 'plink' => $item['plink'],
1493 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])];
1495 foreach (self::CONTENT_FIELDLIST as $field) {
1496 if (isset($item[$field])) {
1497 $fields[$field] = $item[$field];
1498 unset($item[$field]);
1502 // To avoid timing problems, we are using locks.
1503 $locked = Lock::set('item_insert_content');
1505 logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway.");
1508 // Do we already have this content?
1509 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]);
1510 if (DBM::is_result($item_content)) {
1511 $item['icid'] = $item_content['id'];
1512 logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1513 } elseif (dba::insert('item-content', $fields)) {
1514 $item['icid'] = dba::lastInsertId();
1515 logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')');
1517 // By setting the ICID value through the worker we should avoid timing problems.
1518 // When the locking works, this shouldn't be needed. But better be prepared.
1519 Worker::add(PRIORITY_HIGH, 'SetItemContentID', $uri);
1522 Lock::remove('item_insert_content');
1527 * @brief Set the item content id for a given URI
1529 * @param string $uri The item URI
1531 public static function setICIDforURI($uri)
1533 $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]);
1534 if (DBM::is_result($item_content)) {
1535 dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]);
1536 logger('Asynchronously fetched content id for URI ' . $uri . ' (' . $item_content['id'] . ')');
1538 logger('No item-content found for URI ' . $uri);
1543 * @brief Update existing item content entries
1545 * @param array $item The item fields that are to be changed
1546 * @param array $condition The condition for finding the item content entries
1548 private static function updateContent($item, $condition)
1550 // We have to select only the fields from the "item-content" table
1552 foreach (self::CONTENT_FIELDLIST as $field) {
1553 if (isset($item[$field])) {
1554 $fields[$field] = $item[$field];
1558 if (empty($fields)) {
1562 if (!empty($item['plink'])) {
1563 $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']);
1565 // Ensure that we don't delete the plink
1566 unset($fields['plink']);
1569 logger('Update content for URI ' . $condition['uri']);
1571 dba::update('item-content', $fields, $condition, true);
1575 * @brief Distributes public items to the receivers
1577 * @param integer $itemid Item ID that should be added
1578 * @param string $signed_text Original text (for Diaspora signatures), JSON encoded.
1580 public static function distribute($itemid, $signed_text = '')
1582 $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid];
1583 $parent = dba::selectFirst('item', ['owner-id'], $condition);
1584 if (!DBM::is_result($parent)) {
1588 // Only distribute public items from native networks
1589 $condition = ['id' => $itemid, 'uid' => 0,
1590 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""],
1591 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false];
1592 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1593 if (!DBM::is_result($item)) {
1598 unset($item['parent']);
1599 unset($item['mention']);
1600 unset($item['wall']);
1601 unset($item['origin']);
1602 unset($item['starred']);
1606 $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)",
1607 $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND];
1608 $contacts = dba::select('contact', ['uid'], $condition);
1609 while ($contact = dba::fetch($contacts)) {
1610 $users[$contact['uid']] = $contact['uid'];
1615 if ($item['uri'] != $item['parent-uri']) {
1616 $parents = dba::select('item', ['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]);
1617 while ($parent = dba::fetch($parents)) {
1618 $users[$parent['uid']] = $parent['uid'];
1619 if ($parent['origin'] && !$item['origin']) {
1620 $origin_uid = $parent['uid'];
1625 foreach ($users as $uid) {
1626 if ($origin_uid == $uid) {
1627 $item['diaspora_signed_text'] = $signed_text;
1629 self::storeForUser($itemid, $item, $uid);
1634 * @brief Store public items for the receivers
1636 * @param integer $itemid Item ID that should be added
1637 * @param array $item The item entry that will be stored
1638 * @param integer $uid The user that will receive the item entry
1640 private static function storeForUser($itemid, $item, $uid)
1642 $item['uid'] = $uid;
1643 $item['origin'] = 0;
1645 if ($item['uri'] == $item['parent-uri']) {
1646 $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid);
1648 $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid);
1651 if (empty($item['contact-id'])) {
1652 $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]);
1653 if (!DBM::is_result($self)) {
1656 $item['contact-id'] = $self['id'];
1659 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1660 $item['type'] = 'remote-comment';
1661 } elseif ($item['type'] == 'wall') {
1662 $item['type'] = 'remote';
1665 /// @todo Handling of "event-id"
1668 if ($item['uri'] == $item['parent-uri']) {
1669 $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]);
1670 if (DBM::is_result($contact)) {
1671 $notify = self::isRemoteSelf($contact, $item);
1675 $distributed = self::insert($item, false, $notify, true);
1677 if (!$distributed) {
1678 logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG);
1680 logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG);
1685 * @brief Add a shadow entry for a given item id that is a thread starter
1687 * We store every public item entry additionally with the user id "0".
1688 * This is used for the community page and for the search.
1689 * It is planned that in the future we will store public item entries only once.
1691 * @param integer $itemid Item ID that should be added
1693 public static function addShadow($itemid)
1695 $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network'];
1696 $condition = ['id' => $itemid, 'parent' => [0, $itemid]];
1697 $item = dba::selectFirst('item', $fields, $condition);
1699 if (!DBM::is_result($item)) {
1703 // is it already a copy?
1704 if (($itemid == 0) || ($item['uid'] == 0)) {
1708 // Is it a visible public post?
1709 if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) {
1713 // is it an entry from a connector? Only add an entry for natively connected networks
1714 if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) {
1718 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1720 if (DBM::is_result($item) && ($item["allow_cid"] == '') && ($item["allow_gid"] == '') &&
1721 ($item["deny_cid"] == '') && ($item["deny_gid"] == '')) {
1723 if (!self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1724 // Preparing public shadow (removing user specific data)
1727 unset($item['parent']);
1728 unset($item['wall']);
1729 unset($item['mention']);
1730 unset($item['origin']);
1731 unset($item['starred']);
1732 if ($item['uri'] == $item['parent-uri']) {
1733 $item['contact-id'] = $item['owner-id'];
1735 $item['contact-id'] = $item['author-id'];
1738 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1739 $item['type'] = 'remote-comment';
1740 } elseif ($item['type'] == 'wall') {
1741 $item['type'] = 'remote';
1744 $public_shadow = self::insert($item, false, false, true);
1746 logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG);
1752 * @brief Add a shadow entry for a given item id that is a comment
1754 * This function does the same like the function above - but for comments
1756 * @param integer $itemid Item ID that should be added
1758 public static function addShadowPost($itemid)
1760 $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]);
1761 if (!DBM::is_result($item)) {
1765 // Is it a toplevel post?
1766 if ($item['id'] == $item['parent']) {
1767 self::addShadow($itemid);
1771 // Is this a shadow entry?
1772 if ($item['uid'] == 0) {
1776 // Is there a shadow parent?
1777 if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) {
1781 // Is there already a shadow entry?
1782 if (self::exists(['uri' => $item['uri'], 'uid' => 0])) {
1786 // Save "origin" and "parent" state
1787 $origin = $item['origin'];
1788 $parent = $item['parent'];
1790 // Preparing public shadow (removing user specific data)
1793 unset($item['parent']);
1794 unset($item['wall']);
1795 unset($item['mention']);
1796 unset($item['origin']);
1797 unset($item['starred']);
1798 $item['contact-id'] = Contact::getIdForURL($item['author-link']);
1800 if (in_array($item['type'], ["net-comment", "wall-comment"])) {
1801 $item['type'] = 'remote-comment';
1802 } elseif ($item['type'] == 'wall') {
1803 $item['type'] = 'remote';
1806 $public_shadow = self::insert($item, false, false, true);
1808 logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG);
1810 // If this was a comment to a Diaspora post we don't get our comment back.
1811 // This means that we have to distribute the comment by ourselves.
1812 if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) {
1813 self::distribute($public_shadow);
1818 * Adds a "lang" specification in a "postopts" element of given $arr,
1819 * if possible and not already present.
1820 * Expects "body" element to exist in $arr.
1822 private static function addLanguageInPostopts(&$item)
1826 if (!empty($item['postopts'])) {
1827 if (strstr($item['postopts'], 'lang=')) {
1831 $postopts = $item['postopts'];
1834 $naked_body = Text\BBCode::toPlaintext($item['body'], false);
1836 $languages = (new Text_LanguageDetect())->detect($naked_body, 3);
1838 if (sizeof($languages) > 0) {
1839 if ($postopts != '') {
1840 $postopts .= '&'; // arbitrary separator, to be reviewed
1843 $postopts .= 'lang=';
1846 foreach ($languages as $language => $score) {
1847 $postopts .= $sep . $language . ";" . $score;
1850 $item['postopts'] = $postopts;
1855 * @brief Creates an unique guid out of a given uri
1857 * @param string $uri uri of an item entry
1858 * @param string $host hostname for the GUID prefix
1859 * @return string unique guid
1861 public static function guidFromUri($uri, $host)
1863 // Our regular guid routine is using this kind of prefix as well
1864 // We have to avoid that different routines could accidentally create the same value
1865 $parsed = parse_url($uri);
1867 // We use a hash of the hostname as prefix for the guid
1868 $guid_prefix = hash("crc32", $host);
1870 // Remove the scheme to make sure that "https" and "http" doesn't make a difference
1871 unset($parsed["scheme"]);
1873 // Glue it together to be able to make a hash from it
1874 $host_id = implode("/", $parsed);
1876 // We could use any hash algorithm since it isn't a security issue
1877 $host_hash = hash("ripemd128", $host_id);
1879 return $guid_prefix.$host_hash;
1883 * generate an unique URI
1885 * @param integer $uid User id
1886 * @param string $guid An existing GUID (Otherwise it will be generated)
1890 public static function newURI($uid, $guid = "")
1893 $guid = get_guid(32);
1896 $hostname = self::getApp()->get_hostname();
1898 $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]);
1900 $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid;
1906 * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact
1908 * This can be used to filter for inactive contacts.
1909 * Only do this for public postings to avoid privacy problems, since poco data is public.
1910 * Don't set this value if it isn't from the owner (could be an author that we don't know)
1912 * @param array $arr Contains the just posted item record
1914 private static function updateContact($arr)
1916 // Unarchive the author
1917 $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]);
1918 if (DBM::is_result($contact)) {
1919 Contact::unmarkForArchival($contact);
1922 // Unarchive the contact if it's not our own contact
1923 $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]);
1924 if (DBM::is_result($contact)) {
1925 Contact::unmarkForArchival($contact);
1928 $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"])));
1930 // Is it a forum? Then we don't care about the rules from above
1931 if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) {
1932 if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) {
1938 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1939 ['id' => $arr['contact-id']]);
1941 // Now do the same for the system wide contacts with uid=0
1942 if (!$arr['private']) {
1943 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1944 ['id' => $arr['owner-id']]);
1946 if ($arr['owner-id'] != $arr['author-id']) {
1947 dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']],
1948 ['id' => $arr['author-id']]);
1953 public static function setHashtags(&$item)
1956 $tags = get_tags($item["body"]);
1959 if (!count($tags)) {
1963 // This sorting is important when there are hashtags that are part of other hashtags
1964 // Otherwise there could be problems with hashtags like #test and #test2
1967 $URLSearchString = "^\[\]";
1969 // All hashtags should point to the home server if "local_tags" is activated
1970 if (Config::get('system', 'local_tags')) {
1971 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1972 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]);
1974 $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1975 "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]);
1978 // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls
1979 $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1981 return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]");
1984 $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism",
1986 return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]");
1989 $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism",
1991 return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]");
1994 // Repair recursive urls
1995 $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism",
1996 "#$2", $item["body"]);
1998 foreach ($tags as $tag) {
1999 if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) {
2003 $basetag = str_replace('_',' ',substr($tag,1));
2005 $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
2007 $item["body"] = str_replace($tag, $newtag, $item["body"]);
2009 if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) {
2010 if (strlen($item["tag"])) {
2011 $item["tag"] = ','.$item["tag"];
2013 $item["tag"] = $newtag.$item["tag"];
2017 // Convert back the masked hashtags
2018 $item["body"] = str_replace("#", "#", $item["body"]);
2021 public static function getGuidById($id)
2023 $item = dba::selectFirst('item', ['guid'], ['id' => $id]);
2024 if (DBM::is_result($item)) {
2025 return $item['guid'];
2031 public static function getIdAndNickByGuid($guid, $uid = 0)
2037 $uid == local_user();
2040 // Does the given user have this item?
2042 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2043 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2044 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2045 AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid);
2046 if (DBM::is_result($item)) {
2048 $nick = $item["nickname"];
2052 // Or is it anywhere on the server?
2054 $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item`
2055 INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
2056 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
2057 AND `item`.`allow_cid` = '' AND `item`.`allow_gid` = ''
2058 AND `item`.`deny_cid` = '' AND `item`.`deny_gid` = ''
2059 AND NOT `item`.`private` AND `item`.`wall`
2060 AND `item`.`guid` = ?", $guid);
2061 if (DBM::is_result($item)) {
2063 $nick = $item["nickname"];
2066 return ["nick" => $nick, "id" => $id];
2070 * look for mention tags and setup a second delivery chain for forum/community posts if appropriate
2072 * @param int $item_id
2073 * @return bool true if item was deleted, else false
2075 private static function tagDeliver($uid, $item_id)
2079 $user = dba::selectFirst('user', [], ['uid' => $uid]);
2080 if (!DBM::is_result($user)) {
2084 $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false);
2085 $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false);
2087 $item = dba::selectFirst('item', [], ['id' => $item_id]);
2088 if (!DBM::is_result($item)) {
2092 $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']);
2095 * Diaspora uses their own hardwired link URL in @-tags
2096 * instead of the one we supply with webfinger
2098 $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']);
2100 $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER);
2102 foreach ($matches as $mtch) {
2103 if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) {
2105 logger('mention found: ' . $mtch[2]);
2111 if (($community_page || $prvgroup) &&
2112 !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) {
2113 // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment)
2115 logger("no-mention top-level post to community or private group. delete.");
2116 dba::delete('item', ['id' => $item_id]);
2122 $arr = ['item' => $item, 'user' => $user];
2124 Addon::callHooks('tagged', $arr);
2126 if (!$community_page && !$prvgroup) {
2131 * tgroup delivery - setup a second delivery chain
2132 * prevent delivery looping - only proceed
2133 * if the message originated elsewhere and is a top-level post
2135 if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) {
2139 // now change this copy of the post to a forum head message and deliver to all the tgroup members
2140 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]);
2141 if (!DBM::is_result($self)) {
2145 $owner_id = Contact::getIdForURL($self['url']);
2147 // also reset all the privacy bits to the forum default permissions
2149 $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0;
2151 $forum_mode = ($prvgroup ? 2 : 1);
2153 $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'],
2154 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'],
2155 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']];
2156 dba::update('item', $fields, ['id' => $item_id]);
2158 self::updateThread($item_id);
2160 Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id);
2163 public static function isRemoteSelf($contact, &$datarray)
2167 if (!$contact['remote_self']) {
2171 // Prevent the forwarding of posts that are forwarded
2172 if ($datarray["extid"] == NETWORK_DFRN) {
2173 logger('Already forwarded', LOGGER_DEBUG);
2177 // Prevent to forward already forwarded posts
2178 if ($datarray["app"] == $a->get_hostname()) {
2179 logger('Already forwarded (second test)', LOGGER_DEBUG);
2183 // Only forward posts
2184 if ($datarray["verb"] != ACTIVITY_POST) {
2185 logger('No post', LOGGER_DEBUG);
2189 if (($contact['network'] != NETWORK_FEED) && $datarray['private']) {
2190 logger('Not public', LOGGER_DEBUG);
2194 $datarray2 = $datarray;
2195 logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG);
2196 if ($contact['remote_self'] == 2) {
2197 $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'],
2198 ['uid' => $contact['uid'], 'self' => true]);
2199 if (DBM::is_result($self)) {
2200 $datarray['contact-id'] = $self["id"];
2202 $datarray['owner-name'] = $self["name"];
2203 $datarray['owner-link'] = $self["url"];
2204 $datarray['owner-avatar'] = $self["thumb"];
2206 $datarray['author-name'] = $datarray['owner-name'];
2207 $datarray['author-link'] = $datarray['owner-link'];
2208 $datarray['author-avatar'] = $datarray['owner-avatar'];
2210 unset($datarray['created']);
2211 unset($datarray['edited']);
2213 unset($datarray['network']);
2214 unset($datarray['owner-id']);
2215 unset($datarray['author-id']);
2218 if ($contact['network'] != NETWORK_FEED) {
2219 $datarray["guid"] = get_guid(32);
2220 unset($datarray["plink"]);
2221 $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]);
2222 $datarray["parent-uri"] = $datarray["uri"];
2223 $datarray["thr-parent"] = $datarray["uri"];
2224 $datarray["extid"] = NETWORK_DFRN;
2225 $urlpart = parse_url($datarray2['author-link']);
2226 $datarray["app"] = $urlpart["host"];
2228 $datarray['private'] = 0;
2232 if ($contact['network'] != NETWORK_FEED) {
2233 // Store the original post
2234 $result = self::insert($datarray2, false, false);
2235 logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG);
2237 $datarray["app"] = "Feed";
2241 // Trigger automatic reactions for addons
2242 $datarray['api_source'] = true;
2244 // We have to tell the hooks who we are - this really should be improved
2245 $_SESSION["authenticated"] = true;
2246 $_SESSION["uid"] = $contact['uid'];
2255 * @param array $item
2259 public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0)
2261 if (Config::get('system', 'disable_embedded')) {
2265 logger('check for photos', LOGGER_DEBUG);
2266 $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://'));
2271 $img_start = strpos($orig_body, '[img');
2272 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2273 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2275 while (($img_st_close !== false) && ($img_len !== false)) {
2276 $img_st_close++; // make it point to AFTER the closing bracket
2277 $image = substr($orig_body, $img_start + $img_st_close, $img_len);
2279 logger('found photo ' . $image, LOGGER_DEBUG);
2281 if (stristr($image, $site . '/photo/')) {
2282 // Only embed locally hosted photos
2284 $i = basename($image);
2285 $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i);
2286 $x = strpos($i, '-');
2289 $res = substr($i, $x + 1);
2290 $i = substr($i, 0, $x);
2291 $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid'];
2292 $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]);
2293 if (DBM::is_result($photo)) {
2295 * Check to see if we should replace this photo link with an embedded image
2296 * 1. No need to do so if the photo is public
2297 * 2. If there's a contact-id provided, see if they're in the access list
2298 * for the photo. If so, embed it.
2299 * 3. Otherwise, if we have an item, see if the item permissions match the photo
2300 * permissions, regardless of order but first check to see if they're an exact
2301 * match to save some processing overhead.
2303 if (self::hasPermissions($photo)) {
2305 $recips = self::enumeratePermissions($photo);
2306 if (in_array($cid, $recips)) {
2310 if (self::samePermissions($item, $photo)) {
2316 $data = $photo['data'];
2317 $type = $photo['type'];
2319 // If a custom width and height were specified, apply before embedding
2320 if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) {
2321 logger('scaling photo', LOGGER_DEBUG);
2323 $width = intval($match[1]);
2324 $height = intval($match[2]);
2326 $Image = new Image($data, $type);
2327 if ($Image->isValid()) {
2328 $Image->scaleDown(max($width, $height));
2329 $data = $Image->asString();
2330 $type = $Image->getType();
2334 logger('replacing photo', LOGGER_DEBUG);
2335 $image = 'data:' . $type . ';base64,' . base64_encode($data);
2336 logger('replaced: ' . $image, LOGGER_DATA);
2342 $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]';
2343 $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]'));
2344 if ($orig_body === false) {
2348 $img_start = strpos($orig_body, '[img');
2349 $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false);
2350 $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false);
2353 $new_body = $new_body . $orig_body;
2358 private static function hasPermissions($obj)
2362 x($obj, 'allow_cid')
2364 x($obj, 'allow_gid')
2373 private static function samePermissions($obj1, $obj2)
2375 // first part is easy. Check that these are exactly the same.
2376 if (($obj1['allow_cid'] == $obj2['allow_cid'])
2377 && ($obj1['allow_gid'] == $obj2['allow_gid'])
2378 && ($obj1['deny_cid'] == $obj2['deny_cid'])
2379 && ($obj1['deny_gid'] == $obj2['deny_gid'])) {
2383 // This is harder. Parse all the permissions and compare the resulting set.
2384 $recipients1 = self::enumeratePermissions($obj1);
2385 $recipients2 = self::enumeratePermissions($obj2);
2389 /// @TODO Comparison of arrays, maybe use array_diff_assoc() here?
2390 return ($recipients1 == $recipients2);
2393 // returns an array of contact-ids that are allowed to see this object
2394 private static function enumeratePermissions($obj)
2396 $allow_people = expand_acl($obj['allow_cid']);
2397 $allow_groups = Group::expand(expand_acl($obj['allow_gid']));
2398 $deny_people = expand_acl($obj['deny_cid']);
2399 $deny_groups = Group::expand(expand_acl($obj['deny_gid']));
2400 $recipients = array_unique(array_merge($allow_people, $allow_groups));
2401 $deny = array_unique(array_merge($deny_people, $deny_groups));
2402 $recipients = array_diff($recipients, $deny);
2406 public static function getFeedTags($item)
2410 $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2412 for ($x = 0; $x < $cnt; $x ++) {
2413 if ($matches[1][$x]) {
2414 $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]];
2419 $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches);
2421 for ($x = 0; $x < $cnt; $x ++) {
2422 if ($matches[1][$x]) {
2423 $ret[] = ['@', $matches[1][$x], $matches[2][$x]];
2430 public static function expire($uid, $days, $network = "", $force = false)
2432 if (!$uid || ($days < 1)) {
2437 * $expire_network_only = save your own wall posts
2438 * and just expire conversations started by others
2440 $expire_network_only = PConfig::get($uid,'expire', 'network_only');
2441 $sql_extra = (intval($expire_network_only) ? " AND wall = 0 " : "");
2443 if ($network != "") {
2444 $sql_extra .= sprintf(" AND network = '%s' ", dbesc($network));
2447 * There is an index "uid_network_received" but not "uid_network_created"
2448 * This avoids the creation of another index just for one purpose.
2449 * And it doesn't really matter wether to look at "received" or "created"
2451 $range = "AND `received` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2453 $range = "AND `created` < UTC_TIMESTAMP() - INTERVAL %d DAY ";
2456 $r = q("SELECT `file`, `resource-id`, `starred`, `type`, `id` FROM `item`
2457 WHERE `uid` = %d $range
2465 if (!DBM::is_result($r)) {
2469 $expire_items = PConfig::get($uid, 'expire', 'items', 1);
2471 // Forcing expiring of items - but not notes and marked items
2473 $expire_items = true;
2476 $expire_notes = PConfig::get($uid, 'expire', 'notes', 1);
2477 $expire_starred = PConfig::get($uid, 'expire', 'starred', 1);
2478 $expire_photos = PConfig::get($uid, 'expire', 'photos', 0);
2480 logger('User '.$uid.': expire: # items=' . count($r). "; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos");
2482 foreach ($r as $item) {
2484 // don't expire filed items
2486 if (strpos($item['file'],'[') !== false) {
2490 // Only expire posts, not photos and photo comments
2492 if ($expire_photos == 0 && strlen($item['resource-id'])) {
2494 } elseif ($expire_starred == 0 && intval($item['starred'])) {
2496 } elseif ($expire_notes == 0 && $item['type'] == 'note') {
2498 } elseif ($expire_items == 0 && $item['type'] != 'note') {
2502 self::deleteById($item['id'], PRIORITY_LOW);
2506 public static function firstPostDate($uid, $wall = false)
2508 $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false];
2509 $params = ['order' => ['created' => false]];
2510 $thread = dba::selectFirst('thread', ['created'], $condition, $params);
2511 if (DBM::is_result($thread)) {
2512 return substr(DateTimeFormat::local($thread['created']), 0, 10);
2518 * @brief add/remove activity to an item
2520 * Toggle activities as like,dislike,attend of an item
2522 * @param string $item_id
2523 * @param string $verb
2524 * Activity verb. One of
2525 * like, unlike, dislike, undislike, attendyes, unattendyes,
2526 * attendno, unattendno, attendmaybe, unattendmaybe
2527 * @hook 'post_local_end'
2529 * 'post_id' => ID of posted item
2531 public static function performLike($item_id, $verb)
2533 if (!local_user() && !remote_user()) {
2540 $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s');
2541 $activity = ACTIVITY_LIKE;
2545 $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s');
2546 $activity = ACTIVITY_DISLIKE;
2550 $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s');
2551 $activity = ACTIVITY_ATTEND;
2555 $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s');
2556 $activity = ACTIVITY_ATTENDNO;
2559 case 'unattendmaybe':
2560 $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s');
2561 $activity = ACTIVITY_ATTENDMAYBE;
2564 logger('like: unknown verb ' . $verb . ' for item ' . $item_id);
2568 // Enable activity toggling instead of on/off
2569 $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE;
2571 logger('like: verb ' . $verb . ' item ' . $item_id);
2573 $item = dba::selectFirst('item', [], ['`id` = ? OR `uri` = ?', $item_id, $item_id]);
2574 if (!DBM::is_result($item)) {
2575 logger('like: unknown item ' . $item_id);
2579 $uid = $item['uid'];
2580 if (($uid == 0) && local_user()) {
2581 $uid = local_user();
2584 if (!can_write_wall($uid)) {
2585 logger('like: unable to write on wall ' . $uid);
2589 // Retrieves the local post owner
2590 $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]);
2591 if (!DBM::is_result($owner_self_contact)) {
2592 logger('like: unknown owner ' . $uid);
2596 // Retrieve the current logged in user's public contact
2597 $author_id = public_contact();
2599 $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]);
2600 if (!DBM::is_result($author_contact)) {
2601 logger('like: unknown author ' . $author_id);
2605 // Contact-id is the uid-dependant author contact
2606 if (local_user() == $uid) {
2607 $item_contact_id = $owner_self_contact['id'];
2608 $item_contact = $owner_self_contact;
2610 $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true);
2611 $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]);
2612 if (!DBM::is_result($item_contact)) {
2613 logger('like: unknown item contact ' . $item_contact_id);
2618 // Look for an existing verb row
2619 // event participation are essentially radio toggles. If you make a subsequent choice,
2620 // we need to eradicate your first choice.
2621 if ($event_verb_flag) {
2622 $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE];
2627 $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY,
2628 'author-id' => $author_contact['id'], 'uid' => item['uid']];
2630 $condition = array_merge($base_condition, ['parent' => $item_id]);
2631 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2633 if (!DBM::is_result($like_item)) {
2634 $condition = array_merge($base_condition, ['parent-uri' => $item_id]);
2635 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2638 if (!DBM::is_result($like_item)) {
2639 $condition = array_merge($base_condition, ['thr-parent' => $item_id]);
2640 $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition);
2643 // If it exists, mark it as deleted
2644 if (DBM::is_result($like_item)) {
2645 // Already voted, undo it
2646 $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()];
2647 /// @todo Consider using self::update - but before doing so, check the side effects
2648 dba::update('item', $fields, ['id' => $like_item['id']]);
2650 // Clean up the Diaspora signatures for this like
2651 // Go ahead and do it even if Diaspora support is disabled. We still want to clean up
2652 // if it had been enabled in the past
2653 dba::delete('sign', ['iid' => $like_item['id']]);
2655 $like_item_id = $like_item['id'];
2656 Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id);
2658 if (!$event_verb_flag || $like_item['verb'] == $activity) {
2663 // Verb is "un-something", just trying to delete existing entries
2664 if (strpos($verb, 'un') === 0) {
2668 // Else or if event verb different from existing row, create a new item row
2669 $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status'));
2670 if ($item['object-type'] === ACTIVITY_OBJ_EVENT) {
2671 $post_type = L10n::t('event');
2673 $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ;
2674 $link = xmlify('<link rel="alternate" type="text/html" href="' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . '" />' . "\n") ;
2675 $body = $item['body'];
2680 <type>$objtype</type>
2682 <id>{$item['uri']}</id>
2685 <content>$body</content>
2689 $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]';
2690 $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
2691 $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]';
2694 'guid' => get_guid(32),
2695 'uri' => self::newURI($item['uid']),
2696 'uid' => $item['uid'],
2697 'contact-id' => $item_contact_id,
2698 'type' => 'activity',
2699 'wall' => $item['wall'],
2701 'gravity' => GRAVITY_ACTIVITY,
2702 'parent' => $item['id'],
2703 'parent-uri' => $item['uri'],
2704 'thr-parent' => $item['uri'],
2705 'owner-id' => $item['owner-id'],
2706 'owner-name' => $item['owner-name'],
2707 'owner-link' => $item['owner-link'],
2708 'owner-avatar' => $item['owner-avatar'],
2709 'author-id' => $author_contact['id'],
2710 'author-name' => $author_contact['name'],
2711 'author-link' => $author_contact['url'],
2712 'author-avatar' => $author_contact['thumb'],
2713 'body' => sprintf($bodyverb, $ulink, $alink, $plink),
2714 'verb' => $activity,
2715 'object-type' => $objtype,
2717 'allow_cid' => $item['allow_cid'],
2718 'allow_gid' => $item['allow_gid'],
2719 'deny_cid' => $item['deny_cid'],
2720 'deny_gid' => $item['deny_gid'],
2725 $new_item_id = self::insert($new_item);
2727 // If the parent item isn't visible then set it to visible
2728 if (!$item['visible']) {
2729 self::update(['visible' => true], ['id' => $item['id']]);
2732 // Save the author information for the like in case we need to relay to Diaspora
2733 Diaspora::storeLikeSignature($item_contact, $new_item_id);
2735 $new_item['id'] = $new_item_id;
2737 Addon::callHooks('post_local_end', $new_item);
2739 Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id);
2744 private static function addThread($itemid, $onlyshadow = false)
2746 $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail',
2747 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2748 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id'];
2749 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2750 $item = dba::selectFirst('item', $fields, $condition);
2752 if (!DBM::is_result($item)) {
2756 $item['iid'] = $itemid;
2759 $result = dba::insert('thread', $item);
2761 logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2765 private static function updateThread($itemid, $setmention = false)
2767 $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed',
2768 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id',
2769 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id'];
2770 $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid];
2772 $item = dba::selectFirst('item', $fields, $condition);
2773 if (!DBM::is_result($item)) {
2778 $item["mention"] = 1;
2785 foreach ($item as $field => $data) {
2786 if (!in_array($field, ["guid"])) {
2787 $fields[$field] = $data;
2791 $result = dba::update('thread', $fields, ['iid' => $itemid]);
2793 logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG);
2796 private static function deleteThread($itemid, $itemuri = "")
2798 $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]);
2799 if (!DBM::is_result($item)) {
2800 logger('No thread found for id '.$itemid, LOGGER_DEBUG);
2804 // Using dba::delete at this time could delete the associated item entries
2805 $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid);
2807 logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG);
2809 if ($itemuri != "") {
2810 $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]];
2811 if (!self::exists($condition)) {
2812 dba::delete('item', ['uri' => $itemuri, 'uid' => 0]);
2813 logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG);