1]); if (is_bool($stmt)) { $retval = $stmt; } else { $retval = (dba::num_rows($stmt) > 0); } dba::close($stmt); return $retval; } /** * Retrieve a single record from the item table for a given user and returns it in an associative array * * @brief Retrieve a single record from a table * @param integer $uid User ID * @param array $fields * @param array $condition * @param array $params * @return bool|array * @see dba::select */ public static function selectFirstForUser($uid, array $selected = [], array $condition = [], $params = []) { $params['uid'] = $uid; if (empty($selected)) { $selected = Item::DISPLAY_FIELDLIST; } return self::selectFirst($selected, $condition, $params); } /** * @brief Select rows from the item table for a given user * * @param integer $uid User ID * @param array $selected Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * * @return boolean|object */ public static function selectForUser($uid, array $selected = [], array $condition = [], $params = []) { $params['uid'] = $uid; if (empty($selected)) { $selected = Item::DISPLAY_FIELDLIST; } return self::select($selected, $condition, $params); } /** * Retrieve a single record from the item table and returns it in an associative array * * @brief Retrieve a single record from a table * @param array $fields * @param array $condition * @param array $params * @return bool|array * @see dba::select */ public static function selectFirst(array $fields = [], array $condition = [], $params = []) { $params['limit'] = 1; $result = self::select($fields, $condition, $params); if (is_bool($result)) { return $result; } else { $row = self::fetch($result); dba::close($result); return $row; } } /** * @brief Select rows from the item table * * @param array $selected Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * * @return boolean|object */ public static function select(array $selected = [], array $condition = [], $params = []) { $uid = 0; $usermode = false; if (isset($params['uid'])) { $uid = $params['uid']; $usermode = true; } $fields = self::fieldlist($selected); $select_fields = self::constructSelectFields($fields, $selected); $condition_string = dba::buildCondition($condition); $condition_string = self::addTablesToFields($condition_string, $fields); if ($usermode) { $condition_string = $condition_string . ' AND ' . self::condition(false); } $param_string = self::addTablesToFields(dba::buildParameter($params), $fields); $table = "`item` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, false); $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string; return dba::p($sql, $condition); } /** * @brief Select rows from the starting post in the item table * * @param integer $uid User ID * @param array $fields Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * * @return boolean|object */ public static function selectThreadForUser($uid, array $selected = [], array $condition = [], $params = []) { $params['uid'] = $uid; if (empty($selected)) { $selected = Item::DISPLAY_FIELDLIST; } return self::selectThread($selected, $condition, $params); } /** * Retrieve a single record from the starting post in the item table and returns it in an associative array * * @brief Retrieve a single record from a table * @param integer $uid User ID * @param array $selected * @param array $condition * @param array $params * @return bool|array * @see dba::select */ public static function selectFirstThreadForUser($uid, array $selected = [], array $condition = [], $params = []) { $params['uid'] = $uid; if (empty($selected)) { $selected = Item::DISPLAY_FIELDLIST; } return self::selectFirstThread($selected, $condition, $params); } /** * Retrieve a single record from the starting post in the item table and returns it in an associative array * * @brief Retrieve a single record from a table * @param array $fields * @param array $condition * @param array $params * @return bool|array * @see dba::select */ public static function selectFirstThread(array $fields = [], array $condition = [], $params = []) { $params['limit'] = 1; $result = self::selectThread($fields, $condition, $params); if (is_bool($result)) { return $result; } else { $row = self::fetch($result); dba::close($result); return $row; } } /** * @brief Select rows from the starting post in the item table * * @param array $selected Array of selected fields, empty for all * @param array $condition Array of fields for condition * @param array $params Array of several parameters * * @return boolean|object */ public static function selectThread(array $selected = [], array $condition = [], $params = []) { $uid = 0; $usermode = false; if (isset($params['uid'])) { $uid = $params['uid']; $usermode = true; } $fields = self::fieldlist($selected); $threadfields = ['thread' => ['iid', 'uid', 'contact-id', 'owner-id', 'author-id', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'ignored', 'bookmark', 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'network']]; $select_fields = self::constructSelectFields($fields, $selected); $condition_string = dba::buildCondition($condition); $condition_string = self::addTablesToFields($condition_string, $threadfields); $condition_string = self::addTablesToFields($condition_string, $fields); if ($usermode) { $condition_string = $condition_string . ' AND ' . self::condition(true); } $param_string = dba::buildParameter($params); $param_string = self::addTablesToFields($param_string, $threadfields); $param_string = self::addTablesToFields($param_string, $fields); $table = "`thread` " . self::constructJoins($uid, $select_fields . $condition_string . $param_string, true); $sql = "SELECT " . $select_fields . " FROM " . $table . $condition_string . $param_string; return dba::p($sql, $condition); } /** * @brief Returns a list of fields that are associated with the item table * * @return array field list */ private static function fieldlist($selected) { $fields = []; $fields['item'] = ['id', 'uid', 'parent', 'uri', 'parent-uri', 'thr-parent', 'guid', 'contact-id', 'owner-id', 'author-id', 'type', 'wall', 'gravity', 'extid', 'created', 'edited', 'commented', 'received', 'changed', 'postopts', 'resource-id', 'event-id', 'tag', 'attach', 'inform', 'file', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'unseen', 'deleted', 'origin', 'forum_mode', 'mention', 'global', 'id' => 'item_id', 'network', 'icid']; $fields['item-content'] = array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST); $fields['author'] = ['url' => 'author-link', 'name' => 'author-name', 'thumb' => 'author-avatar', 'nick' => 'author-nick', 'network' => 'author-network']; $fields['owner'] = ['url' => 'owner-link', 'name' => 'owner-name', 'thumb' => 'owner-avatar', 'nick' => 'owner-nick', 'network' => 'owner-network']; $fields['contact'] = ['url' => 'contact-link', 'name' => 'contact-name', 'thumb' => 'contact-avatar', 'writable', 'self', 'id' => 'cid', 'alias', 'uid' => 'contact-uid', 'photo', 'name-date', 'uri-date', 'avatar-date', 'thumb', 'dfrn-id']; $fields['parent-item'] = ['guid' => 'parent-guid', 'network' => 'parent-network']; $fields['parent-item-author'] = ['url' => 'parent-author-link', 'name' => 'parent-author-name']; $fields['event'] = ['created' => 'event-created', 'edited' => 'event-edited', 'start' => 'event-start','finish' => 'event-finish', 'summary' => 'event-summary','desc' => 'event-desc', 'location' => 'event-location', 'type' => 'event-type', 'nofinish' => 'event-nofinish','adjust' => 'event-adjust', 'ignore' => 'event-ignore', 'id' => 'event-id']; $fields['sign'] = ['signed_text', 'signature', 'signer']; return $fields; } /** * @brief Returns SQL condition for the "select" functions * * @param boolean $thread_mode Called for the items (false) or for the threads (true) * * @return string SQL condition */ private static function condition($thread_mode) { if ($thread_mode) { $master_table = "`thread`"; } else { $master_table = "`item`"; } return "$master_table.`visible` AND NOT $master_table.`deleted` AND NOT $master_table.`moderated` AND (`user-item`.`hidden` IS NULL OR NOT `user-item`.`hidden`) "; } /** * @brief Returns all needed "JOIN" commands for the "select" functions * * @param integer $uid User ID * @param string $sql_commands The parts of the built SQL commands in the "select" functions * @param boolean $thread_mode Called for the items (false) or for the threads (true) * * @return string The SQL joins for the "select" functions */ private static function constructJoins($uid, $sql_commands, $thread_mode) { if ($thread_mode) { $master_table = "`thread`"; $master_table_key = "`thread`.`iid`"; $joins = "STRAIGHT_JOIN `item` ON `item`.`id` = `thread`.`iid` "; } else { $master_table = "`item`"; $master_table_key = "`item`.`id`"; $joins = ''; } $joins .= sprintf("STRAIGHT_JOIN `contact` ON `contact`.`id` = $master_table.`contact-id` AND NOT `contact`.`blocked` AND ((NOT `contact`.`readonly` AND NOT `contact`.`pending` AND (`contact`.`rel` IN (%s, %s))) OR `contact`.`self` OR (`item`.`id` != `item`.`parent`) OR `contact`.`uid` = 0) STRAIGHT_JOIN `contact` AS `author` ON `author`.`id` = $master_table.`author-id` AND NOT `author`.`blocked` STRAIGHT_JOIN `contact` AS `owner` ON `owner`.`id` = $master_table.`owner-id` AND NOT `owner`.`blocked` LEFT JOIN `user-item` ON `user-item`.`iid` = $master_table_key AND `user-item`.`uid` = %d", CONTACT_IS_SHARING, CONTACT_IS_FRIEND, intval($uid)); if (strpos($sql_commands, "`group_member`.") !== false) { $joins .= " STRAIGHT_JOIN `group_member` ON `group_member`.`contact-id` = $master_table.`contact-id`"; } if (strpos($sql_commands, "`user`.") !== false) { $joins .= " STRAIGHT_JOIN `user` ON `user`.`uid` = $master_table.`uid`"; } if (strpos($sql_commands, "`event`.") !== false) { $joins .= " LEFT JOIN `event` ON `event-id` = `event`.`id`"; } if (strpos($sql_commands, "`sign`.") !== false) { $joins .= " LEFT JOIN `sign` ON `sign`.`iid` = `item`.`id`"; } if (strpos($sql_commands, "`item-content`.") !== false) { $joins .= " LEFT JOIN `item-content` ON `item-content`.`id` = `item`.`icid`"; } if ((strpos($sql_commands, "`parent-item`.") !== false) || (strpos($sql_commands, "`parent-author`.") !== false)) { $joins .= " STRAIGHT_JOIN `item` AS `parent-item` ON `parent-item`.`id` = `item`.`parent`"; } if (strpos($sql_commands, "`parent-item-author`.") !== false) { $joins .= " STRAIGHT_JOIN `contact` AS `parent-item-author` ON `parent-item-author`.`id` = `parent-item`.`author-id`"; } return $joins; } /** * @brief Add the field list for the "select" functions * * @param array $fields The field definition array * @param array $selected The array with the selected fields from the "select" functions * * @return string The field list */ private static function constructSelectFields($fields, $selected) { // To be able to fetch the tags we need the item id if (in_array('tag', $selected) && !in_array('id', $selected)) { $selected[] = 'id'; } // To be able to fetch the files we need the item id if (in_array('file', $selected) && !in_array('id', $selected)) { $selected[] = 'id'; } $selection = []; foreach ($fields as $table => $table_fields) { foreach ($table_fields as $field => $select) { if (empty($selected) || in_array($select, $selected)) { if (in_array($select, self::MIXED_CONTENT_FIELDLIST)) { $selection[] = "`item`.`".$select."` AS `item-" . $select . "`"; } if (is_int($field)) { $selection[] = "`" . $table . "`.`" . $select . "`"; } else { $selection[] = "`" . $table . "`.`" . $field . "` AS `" . $select . "`"; } } } } return implode(", ", $selection); } /** * @brief add table definition to fields in an SQL query * * @param string $query SQL query * @param array $fields The field definition array * * @return string the changed SQL query */ private static function addTablesToFields($query, $fields) { foreach ($fields as $table => $table_fields) { foreach ($table_fields as $alias => $field) { if (is_int($alias)) { $replace_field = $field; } else { $replace_field = $alias; } $search = "/([^\.])`" . $field . "`/i"; $replace = "$1`" . $table . "`.`" . $replace_field . "`"; $query = preg_replace($search, $replace, $query); } } return $query; } /** * @brief Update existing item entries * * @param array $fields The fields that are to be changed * @param array $condition The condition for finding the item entries * * In the future we may have to change permissions as well. * Then we had to add the user id as third parameter. * * A return value of "0" doesn't mean an error - but that 0 rows had been changed. * * @return integer|boolean number of affected rows - or "false" if there was an error */ public static function update(array $fields, array $condition) { if (empty($condition) || empty($fields)) { return false; } // To ensure the data integrity we do it in an transaction dba::transaction(); // We cannot simply expand the condition to check for origin entries // The condition needn't to be a simple array but could be a complex condition. // And we have to execute this query before the update to ensure to fetch the same data. $items = dba::select('item', ['id', 'origin', 'uri', 'plink', 'icid'], $condition); $content_fields = []; foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { if (isset($fields[$field])) { $content_fields[$field] = $fields[$field]; unset($fields[$field]); } } if (array_key_exists('tag', $fields)) { $tags = $fields['tag']; unset($fields['tag']); } else { $tags = ''; } if (array_key_exists('file', $fields)) { $files = $fields['file']; unset($fields['file']); } else { $files = ''; } if (!empty($fields)) { $success = dba::update('item', $fields, $condition); if (!$success) { dba::close($items); dba::rollback(); return false; } } // When there is no content for the "old" item table, this will count the fetched items $rows = dba::affected_rows(); while ($item = dba::fetch($items)) { if (!empty($item['plink'])) { $content_fields['plink'] = $item['plink']; } self::updateContent($content_fields, ['uri' => $item['uri']]); if (empty($item['icid'])) { $item_content = dba::selectFirst('item-content', [], ['uri' => $item['uri']]); if (DBM::is_result($item_content)) { $item_fields = ['icid' => $item_content['id']]; // Clear all fields in the item table that have a content in the item-content table foreach ($item_content as $field => $content) { if (in_array($field, self::MIXED_CONTENT_FIELDLIST) && !empty($item_content[$field])) { $item_fields[$field] = ''; } } dba::update('item', $item_fields, ['id' => $item['id']]); } } if (!empty($tags)) { Term::insertFromTagFieldByItemId($item['id'], $tags); } if (!empty($files)) { Term::insertFromFileFieldByItemId($item['id'], $files); } self::updateThread($item['id']); // We only need to notfiy others when it is an original entry from us. // Only call the notifier when the item has some content relevant change. if ($item['origin'] && in_array('edited', array_keys($fields))) { Worker::add(PRIORITY_HIGH, "Notifier", 'edit_post', $item['id']); } } dba::close($items); dba::commit(); return $rows; } /** * @brief Delete an item and notify others about it - if it was ours * * @param array $condition The condition for finding the item entries * @param integer $priority Priority for the notification */ public static function delete($condition, $priority = PRIORITY_HIGH) { $items = dba::select('item', ['id'], $condition); while ($item = dba::fetch($items)) { self::deleteById($item['id'], $priority); } dba::close($items); } /** * @brief Delete an item for an user and notify others about it - if it was ours * * @param array $condition The condition for finding the item entries * @param integer $uid User who wants to delete this item */ public static function deleteForUser($condition, $uid) { if ($uid == 0) { return; } $items = dba::select('item', ['id', 'uid'], $condition); while ($item = dba::fetch($items)) { // "Deleting" global items just means hiding them if ($item['uid'] == 0) { dba::update('user-item', ['hidden' => true], ['iid' => $item['id'], 'uid' => $uid], true); } elseif ($item['uid'] == $uid) { self::deleteById($item['id'], PRIORITY_HIGH); } else { logger('Wrong ownership. Not deleting item ' . $item['id']); } } dba::close($items); } /** * @brief Delete an item and notify others about it - if it was ours * * @param integer $item_id Item ID that should be delete * @param integer $priority Priority for the notification * * @return boolean success */ private static function deleteById($item_id, $priority = PRIORITY_HIGH) { // locate item to be deleted $fields = ['id', 'uri', 'uid', 'parent', 'parent-uri', 'origin', 'deleted', 'file', 'resource-id', 'event-id', 'attach', 'verb', 'object-type', 'object', 'target', 'contact-id']; $item = self::selectFirst($fields, ['id' => $item_id]); if (!DBM::is_result($item)) { logger('Item with ID ' . $item_id . " hasn't been found.", LOGGER_DEBUG); return false; } if ($item['deleted']) { logger('Item with ID ' . $item_id . ' has already been deleted.', LOGGER_DEBUG); return false; } $parent = self::selectFirst(['origin'], ['id' => $item['parent']]); if (!DBM::is_result($parent)) { $parent = ['origin' => false]; } // clean up categories and tags so they don't end up as orphans $matches = false; $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],true); } } $matches = false; $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { file_tag_unsave_file($item['uid'], $item['id'], $mtch[1],false); } } /* * If item is a link to a photo resource, nuke all the associated photos * (visitors will not have photo resources) * This only applies to photos uploaded from the photos page. Photos inserted into a post do not * generate a resource-id and therefore aren't intimately linked to the item. */ if (strlen($item['resource-id'])) { dba::delete('photo', ['resource-id' => $item['resource-id'], 'uid' => $item['uid']]); } // If item is a link to an event, delete the event. if (intval($item['event-id'])) { Event::delete($item['event-id']); } // If item has attachments, drop them foreach (explode(", ", $item['attach']) as $attach) { preg_match("|attach/(\d+)|", $attach, $matches); dba::delete('attach', ['id' => $matches[1], 'uid' => $item['uid']]); } // Delete tags that had been attached to other items self::deleteTagsFromItem($item); // Set the item to "deleted" // This erasing of item content is superfluous for items with a matching item-content. // But for the next time we will still have old content in the item table. $item_fields = ['deleted' => true, 'edited' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow(), 'body' => '', 'title' => '', 'content-warning' => '', 'rendered-hash' => '', 'rendered-html' => '', 'object' => '', 'target' => '', 'tag' => '', 'postopts' => '', 'attach' => '', 'file' => '']; dba::update('item', $item_fields, ['id' => $item['id']]); Term::insertFromTagFieldByItemId($item['id'], ''); Term::insertFromFileFieldByItemId($item['id'], ''); self::deleteThread($item['id'], $item['parent-uri']); if (!self::exists(["`uri` = ? AND `uid` != 0 AND NOT `deleted`", $item['uri']])) { self::delete(['uri' => $item['uri'], 'uid' => 0, 'deleted' => false], $priority); } // If it's the parent of a comment thread, kill all the kids if ($item['id'] == $item['parent']) { self::delete(['parent' => $item['parent'], 'deleted' => false], $priority); } // Is it our comment and/or our thread? if ($item['origin'] || $parent['origin']) { // When we delete the original post we will delete all existing copies on the server as well self::delete(['uri' => $item['uri'], 'deleted' => false], $priority); // send the notification upstream/downstream Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", "drop", intval($item['id'])); } elseif ($item['uid'] != 0) { // When we delete just our local user copy of an item, we have to set a marker to hide it $global_item = self::selectFirst(['id'], ['uri' => $item['uri'], 'uid' => 0, 'deleted' => false]); if (DBM::is_result($global_item)) { dba::update('user-item', ['hidden' => true], ['iid' => $global_item['id'], 'uid' => $item['uid']], true); } } logger('Item with ID ' . $item_id . " has been deleted.", LOGGER_DEBUG); return true; } private static function deleteTagsFromItem($item) { if (($item["verb"] != ACTIVITY_TAG) || ($item["object-type"] != ACTIVITY_OBJ_TAGTERM)) { return; } $xo = XML::parseString($item["object"], false); $xt = XML::parseString($item["target"], false); if ($xt->type != ACTIVITY_OBJ_NOTE) { return; } $i = self::selectFirst(['id', 'contact-id', 'tag'], ['uri' => $xt->id, 'uid' => $item['uid']]); if (!DBM::is_result($i)) { return; } // For tags, the owner cannot remove the tag on the author's copy of the post. $owner_remove = ($item["contact-id"] == $i["contact-id"]); $author_copy = $item["origin"]; if (($owner_remove && $author_copy) || !$owner_remove) { return; } $tags = explode(',', $i["tag"]); $newtags = []; if (count($tags)) { foreach ($tags as $tag) { if (trim($tag) !== trim($xo->body)) { $newtags[] = trim($tag); } } } self::update(['tag' => implode(',', $newtags)], ['id' => $i["id"]]); } private static function guid($item, $notify) { $guid = notags(trim($item['guid'])); if (!empty($guid)) { return $guid; } if ($notify) { // We have to avoid duplicates. So we create the GUID in form of a hash of the plink or uri. // We add the hash of our own host because our host is the original creator of the post. $prefix_host = get_app()->get_hostname(); } else { $prefix_host = ''; // We are only storing the post so we create a GUID from the original hostname. if (!empty($item['author-link'])) { $parsed = parse_url($item['author-link']); if (!empty($parsed['host'])) { $prefix_host = $parsed['host']; } } if (empty($prefix_host) && !empty($item['plink'])) { $parsed = parse_url($item['plink']); if (!empty($parsed['host'])) { $prefix_host = $parsed['host']; } } if (empty($prefix_host) && !empty($item['uri'])) { $parsed = parse_url($item['uri']); if (!empty($parsed['host'])) { $prefix_host = $parsed['host']; } } // Is it in the format data@host.tld? - Used for mail contacts if (empty($prefix_host) && !empty($item['author-link']) && strstr($item['author-link'], '@')) { $mailparts = explode('@', $item['author-link']); $prefix_host = array_pop($mailparts); } } if (!empty($item['plink'])) { $guid = self::guidFromUri($item['plink'], $prefix_host); } elseif (!empty($item['uri'])) { $guid = self::guidFromUri($item['uri'], $prefix_host); } else { $guid = get_guid(32, hash('crc32', $prefix_host)); } return $guid; } private static function contactId($item) { $contact_id = (int)$item["contact-id"]; if (!empty($contact_id)) { return $contact_id; } logger('Missing contact-id. Called by: '.System::callstack(), LOGGER_DEBUG); /* * First we are looking for a suitable contact that matches with the author of the post * This is done only for comments */ if ($item['parent-uri'] != $item['uri']) { $contact_id = Contact::getIdForURL($item['author-link'], $item['uid']); } // If not present then maybe the owner was found if ($contact_id == 0) { $contact_id = Contact::getIdForURL($item['owner-link'], $item['uid']); } // Still missing? Then use the "self" contact of the current user if ($contact_id == 0) { $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $item['uid']]); if (DBM::is_result($self)) { $contact_id = $self["id"]; } } logger("Contact-id was missing for post ".$item['guid']." from user id ".$item['uid']." - now set to ".$contact_id, LOGGER_DEBUG); return $contact_id; } public static function insert($item, $force_parent = false, $notify = false, $dontcache = false) { $a = get_app(); // If it is a posting where users should get notifications, then define it as wall posting if ($notify) { $item['wall'] = 1; $item['type'] = 'wall'; $item['origin'] = 1; $item['network'] = NETWORK_DFRN; $item['protocol'] = PROTOCOL_DFRN; if (is_int($notify)) { $priority = $notify; } else { $priority = PRIORITY_HIGH; } } else { $item['network'] = trim(defaults($item, 'network', NETWORK_PHANTOM)); } $item['guid'] = self::guid($item, $notify); $item['uri'] = notags(trim(defaults($item, 'uri', self::newURI($item['uid'], $item['guid'])))); // Store conversation data $item = Conversation::insert($item); /* * If a Diaspora signature structure was passed in, pull it out of the * item array and set it aside for later storage. */ $dsprsig = null; if (x($item, 'dsprsig')) { $encoded_signature = $item['dsprsig']; $dsprsig = json_decode(base64_decode($item['dsprsig'])); unset($item['dsprsig']); } if (!empty($item['diaspora_signed_text'])) { $diaspora_signed_text = $item['diaspora_signed_text']; unset($item['diaspora_signed_text']); } else { $diaspora_signed_text = ''; } // Converting the plink /// @TODO Check if this is really still needed if ($item['network'] == NETWORK_OSTATUS) { if (isset($item['plink'])) { $item['plink'] = OStatus::convertHref($item['plink']); } elseif (isset($item['uri'])) { $item['plink'] = OStatus::convertHref($item['uri']); } } if (!empty($item['thr-parent'])) { $item['parent-uri'] = $item['thr-parent']; } $item['type'] = defaults($item, 'type', 'remote'); if (isset($item['gravity'])) { $item['gravity'] = intval($item['gravity']); } elseif ($item['parent-uri'] === $item['uri']) { $item['gravity'] = GRAVITY_PARENT; } elseif (activity_match($item['verb'], ACTIVITY_POST)) { $item['gravity'] = GRAVITY_COMMENT; } elseif ($item['type'] == 'activity') { $item['gravity'] = GRAVITY_ACTIVITY; } else { $item['gravity'] = GRAVITY_UNKNOWN; // Should not happen logger('Unknown gravity for verb: ' . $item['verb'] . ' - type: ' . $item['type'], LOGGER_DEBUG); } $uid = intval($item['uid']); // check for create date and expire time $expire_interval = Config::get('system', 'dbclean-expire-days', 0); $user = dba::selectFirst('user', ['expire'], ['uid' => $uid]); if (DBM::is_result($user) && ($user['expire'] > 0) && (($user['expire'] < $expire_interval) || ($expire_interval == 0))) { $expire_interval = $user['expire']; } if (($expire_interval > 0) && !empty($item['created'])) { $expire_date = time() - ($expire_interval * 86400); $created_date = strtotime($item['created']); if ($created_date < $expire_date) { logger('item-store: item created ('.date('c', $created_date).') before expiration time ('.date('c', $expire_date).'). ignored. ' . print_r($item,true), LOGGER_DEBUG); return 0; } } /* * Do we already have this item? * We have to check several networks since Friendica posts could be repeated * via OStatus (maybe Diasporsa as well) */ if (in_array($item['network'], [NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS, ""])) { $condition = ["`uri` = ? AND `uid` = ? AND `network` IN (?, ?, ?)", trim($item['uri']), $item['uid'], NETWORK_DIASPORA, NETWORK_DFRN, NETWORK_OSTATUS]; $existing = self::selectFirst(['id', 'network'], $condition); if (DBM::is_result($existing)) { // We only log the entries with a different user id than 0. Otherwise we would have too many false positives if ($uid != 0) { logger("Item with uri ".$item['uri']." already existed for user ".$uid." with id ".$existing["id"]." target network ".$existing["network"]." - new network: ".$item['network']); } return $existing["id"]; } } self::addLanguageToItemArray($item); $item['wall'] = intval(defaults($item, 'wall', 0)); $item['extid'] = trim(defaults($item, 'extid', '')); $item['author-name'] = trim(defaults($item, 'author-name', '')); $item['author-link'] = trim(defaults($item, 'author-link', '')); $item['author-avatar'] = trim(defaults($item, 'author-avatar', '')); $item['owner-name'] = trim(defaults($item, 'owner-name', '')); $item['owner-link'] = trim(defaults($item, 'owner-link', '')); $item['owner-avatar'] = trim(defaults($item, 'owner-avatar', '')); $item['received'] = ((x($item, 'received') !== false) ? DateTimeFormat::utc($item['received']) : DateTimeFormat::utcNow()); $item['created'] = ((x($item, 'created') !== false) ? DateTimeFormat::utc($item['created']) : $item['received']); $item['edited'] = ((x($item, 'edited') !== false) ? DateTimeFormat::utc($item['edited']) : $item['created']); $item['changed'] = ((x($item, 'changed') !== false) ? DateTimeFormat::utc($item['changed']) : $item['created']); $item['commented'] = ((x($item, 'commented') !== false) ? DateTimeFormat::utc($item['commented']) : $item['created']); $item['title'] = trim(defaults($item, 'title', '')); $item['location'] = trim(defaults($item, 'location', '')); $item['coord'] = trim(defaults($item, 'coord', '')); $item['visible'] = ((x($item, 'visible') !== false) ? intval($item['visible']) : 1); $item['deleted'] = 0; $item['parent-uri'] = trim(defaults($item, 'parent-uri', $item['uri'])); $item['verb'] = trim(defaults($item, 'verb', '')); $item['object-type'] = trim(defaults($item, 'object-type', '')); $item['object'] = trim(defaults($item, 'object', '')); $item['target-type'] = trim(defaults($item, 'target-type', '')); $item['target'] = trim(defaults($item, 'target', '')); $item['plink'] = trim(defaults($item, 'plink', '')); $item['allow_cid'] = trim(defaults($item, 'allow_cid', '')); $item['allow_gid'] = trim(defaults($item, 'allow_gid', '')); $item['deny_cid'] = trim(defaults($item, 'deny_cid', '')); $item['deny_gid'] = trim(defaults($item, 'deny_gid', '')); $item['private'] = intval(defaults($item, 'private', 0)); $item['bookmark'] = intval(defaults($item, 'bookmark', 0)); $item['body'] = trim(defaults($item, 'body', '')); $item['tag'] = trim(defaults($item, 'tag', '')); $item['attach'] = trim(defaults($item, 'attach', '')); $item['app'] = trim(defaults($item, 'app', '')); $item['origin'] = intval(defaults($item, 'origin', 0)); $item['postopts'] = trim(defaults($item, 'postopts', '')); $item['resource-id'] = trim(defaults($item, 'resource-id', '')); $item['event-id'] = intval(defaults($item, 'event-id', 0)); $item['inform'] = trim(defaults($item, 'inform', '')); $item['file'] = trim(defaults($item, 'file', '')); // When there is no content then we don't post it if ($item['body'].$item['title'] == '') { logger('No body, no title.'); return 0; } // Items cannot be stored before they happen ... if ($item['created'] > DateTimeFormat::utcNow()) { $item['created'] = DateTimeFormat::utcNow(); } // We haven't invented time travel by now. if ($item['edited'] > DateTimeFormat::utcNow()) { $item['edited'] = DateTimeFormat::utcNow(); } if (($item['author-link'] == "") && ($item['owner-link'] == "")) { logger("Both author-link and owner-link are empty. Called by: " . System::callstack(), LOGGER_DEBUG); } $item['plink'] = defaults($item, 'plink', System::baseUrl() . '/display/' . urlencode($item['guid'])); // The contact-id should be set before "self::insert" was called - but there seems to be issues sometimes $item["contact-id"] = self::contactId($item); $default = ['url' => $item['author-link'], 'name' => $item['author-name'], 'photo' => $item['author-avatar'], 'network' => $item['network']]; $item['author-id'] = defaults($item, 'author-id', Contact::getIdForURL($item["author-link"], 0, false, $default)); if (Contact::isBlocked($item["author-id"])) { logger('Contact '.$item["author-id"].' is blocked, item '.$item["uri"].' will not be stored'); return 0; } $default = ['url' => $item['owner-link'], 'name' => $item['owner-name'], 'photo' => $item['owner-avatar'], 'network' => $item['network']]; $item['owner-id'] = defaults($item, 'owner-id', Contact::getIdForURL($item["owner-link"], 0, false, $default)); if (Contact::isBlocked($item["owner-id"])) { logger('Contact '.$item["owner-id"].' is blocked, item '.$item["uri"].' will not be stored'); return 0; } // These fields aren't stored anymore in the item table, they are fetched upon request unset($item['author-link']); unset($item['author-name']); unset($item['author-avatar']); unset($item['owner-link']); unset($item['owner-name']); unset($item['owner-avatar']); if ($item['network'] == NETWORK_PHANTOM) { logger('Missing network. Called by: '.System::callstack(), LOGGER_DEBUG); $contact = Contact::getDetailsByURL($item['author-link'], $item['uid']); if (!empty($contact['network'])) { $item['network'] = $contact["network"]; } else { $item['network'] = NETWORK_DFRN; } logger("Set network to " . $item["network"] . " for " . $item["uri"], LOGGER_DEBUG); } // Checking if there is already an item with the same guid logger('Checking for an item for user '.$item['uid'].' on network '.$item['network'].' with the guid '.$item['guid'], LOGGER_DEBUG); $condition = ['guid' => $item['guid'], 'network' => $item['network'], 'uid' => $item['uid']]; if (self::exists($condition)) { logger('found item with guid '.$item['guid'].' for user '.$item['uid'].' on network '.$item['network'], LOGGER_DEBUG); return 0; } // Check for hashtags in the body and repair or add hashtag links self::setHashtags($item); $item['thr-parent'] = $item['parent-uri']; $notify_type = ''; $allow_cid = ''; $allow_gid = ''; $deny_cid = ''; $deny_gid = ''; if ($item['parent-uri'] === $item['uri']) { $parent_id = 0; $parent_deleted = 0; $allow_cid = $item['allow_cid']; $allow_gid = $item['allow_gid']; $deny_cid = $item['deny_cid']; $deny_gid = $item['deny_gid']; $notify_type = 'wall-new'; } else { // find the parent and snarf the item id and ACLs // and anything else we need to inherit $fields = ['uri', 'parent-uri', 'id', 'deleted', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid', 'wall', 'private', 'forum_mode', 'origin']; $condition = ['uri' => $item['parent-uri'], 'uid' => $item['uid']]; $params = ['order' => ['id' => false]]; $parent = self::selectFirst($fields, $condition, $params); if (DBM::is_result($parent)) { // is the new message multi-level threaded? // even though we don't support it now, preserve the info // and re-attach to the conversation parent. if ($parent['uri'] != $parent['parent-uri']) { $item['parent-uri'] = $parent['parent-uri']; $condition = ['uri' => $item['parent-uri'], 'parent-uri' => $item['parent-uri'], 'uid' => $item['uid']]; $params = ['order' => ['id' => false]]; $toplevel_parent = self::selectFirst($fields, $condition, $params); if (DBM::is_result($toplevel_parent)) { $parent = $toplevel_parent; } } $parent_id = $parent['id']; $parent_deleted = $parent['deleted']; $allow_cid = $parent['allow_cid']; $allow_gid = $parent['allow_gid']; $deny_cid = $parent['deny_cid']; $deny_gid = $parent['deny_gid']; $item['wall'] = $parent['wall']; $notify_type = 'comment-new'; /* * If the parent is private, force privacy for the entire conversation * This differs from the above settings as it subtly allows comments from * email correspondents to be private even if the overall thread is not. */ if ($parent['private']) { $item['private'] = $parent['private']; } /* * Edge case. We host a public forum that was originally posted to privately. * The original author commented, but as this is a comment, the permissions * weren't fixed up so it will still show the comment as private unless we fix it here. */ if ((intval($parent['forum_mode']) == 1) && $parent['private']) { $item['private'] = 0; } // If its a post from myself then tag the thread as "mention" logger("Checking if parent ".$parent_id." has to be tagged as mention for user ".$item['uid'], LOGGER_DEBUG); $user = dba::selectFirst('user', ['nickname'], ['uid' => $item['uid']]); if (DBM::is_result($user)) { $self = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']); $self_id = Contact::getIdForURL($self, 0, true); logger("'myself' is ".$self_id." for parent ".$parent_id." checking against ".$item['author-id']." and ".$item['owner-id'], LOGGER_DEBUG); if (($item['author-id'] == $self_id) || ($item['owner-id'] == $self_id)) { dba::update('thread', ['mention' => true], ['iid' => $parent_id]); logger("tagged thread ".$parent_id." as mention for user ".$self, LOGGER_DEBUG); } } } else { /* * Allow one to see reply tweets from status.net even when * we don't have or can't see the original post. */ if ($force_parent) { logger('$force_parent=true, reply converted to top-level post.'); $parent_id = 0; $item['parent-uri'] = $item['uri']; $item['gravity'] = GRAVITY_PARENT; } else { logger('item parent '.$item['parent-uri'].' for '.$item['uid'].' was not found - ignoring item'); return 0; } $parent_deleted = 0; } } $condition = ["`uri` = ? AND `network` IN (?, ?) AND `uid` = ?", $item['uri'], $item['network'], NETWORK_DFRN, $item['uid']]; if (self::exists($condition)) { logger('duplicated item with the same uri found. '.print_r($item,true)); return 0; } // On Friendica and Diaspora the GUID is unique if (in_array($item['network'], [NETWORK_DFRN, NETWORK_DIASPORA])) { $condition = ['guid' => $item['guid'], 'uid' => $item['uid']]; if (self::exists($condition)) { logger('duplicated item with the same guid found. '.print_r($item,true)); return 0; } } else { // Check for an existing post with the same content. There seems to be a problem with OStatus. $condition = ["`body` = ? AND `network` = ? AND `created` = ? AND `contact-id` = ? AND `uid` = ?", $item['body'], $item['network'], $item['created'], $item['contact-id'], $item['uid']]; if (self::exists($condition)) { logger('duplicated item with the same body found. '.print_r($item,true)); return 0; } } // Is this item available in the global items (with uid=0)? if ($item["uid"] == 0) { $item["global"] = true; // Set the global flag on all items if this was a global item entry dba::update('item', ['global' => true], ['uri' => $item["uri"]]); } else { $item["global"] = self::exists(['uid' => 0, 'uri' => $item["uri"]]); } // ACL settings if (strlen($allow_cid) || strlen($allow_gid) || strlen($deny_cid) || strlen($deny_gid)) { $private = 1; } else { $private = $item['private']; } $item["allow_cid"] = $allow_cid; $item["allow_gid"] = $allow_gid; $item["deny_cid"] = $deny_cid; $item["deny_gid"] = $deny_gid; $item["private"] = $private; $item["deleted"] = $parent_deleted; // Fill the cache field put_item_in_cache($item); if ($notify) { Addon::callHooks('post_local', $item); } else { Addon::callHooks('post_remote', $item); } // This array field is used to trigger some automatic reactions // It is mainly used in the "post_local" hook. unset($item['api_source']); if (x($item, 'cancel')) { logger('post cancelled by addon.'); return 0; } /* * Check for already added items. * There is a timing issue here that sometimes creates double postings. * An unique index would help - but the limitations of MySQL (maximum size of index values) prevent this. */ if ($item["uid"] == 0) { if (self::exists(['uri' => trim($item['uri']), 'uid' => 0])) { logger('Global item already stored. URI: '.$item['uri'].' on network '.$item['network'], LOGGER_DEBUG); return 0; } } logger('' . print_r($item,true), LOGGER_DATA); if (array_key_exists('tag', $item)) { $tags = $item['tag']; unset($item['tag']); } else { $tags = ''; } if (array_key_exists('file', $item)) { $files = $item['file']; unset($item['file']); } else { $files = ''; } // We are doing this outside of the transaction to avoid timing problems self::insertContent($item); dba::transaction(); $ret = dba::insert('item', $item); // When the item was successfully stored we fetch the ID of the item. if (DBM::is_result($ret)) { $current_post = dba::lastInsertId(); } else { // This can happen - for example - if there are locking timeouts. dba::rollback(); // Store the data into a spool file so that we can try again later. // At first we restore the Diaspora signature that we removed above. if (isset($encoded_signature)) { $item['dsprsig'] = $encoded_signature; } // Now we store the data in the spool directory // We use "microtime" to keep the arrival order and "mt_rand" to avoid duplicates $file = 'item-'.round(microtime(true) * 10000).'-'.mt_rand().'.msg'; $spoolpath = get_spoolpath(); if ($spoolpath != "") { $spool = $spoolpath.'/'.$file; file_put_contents($spool, json_encode($item)); logger("Item wasn't stored - Item was spooled into file ".$file, LOGGER_DEBUG); } return 0; } if ($current_post == 0) { // This is one of these error messages that never should occur. logger("couldn't find created item - we better quit now."); dba::rollback(); return 0; } // How much entries have we created? // We wouldn't need this query when we could use an unique index - but MySQL has length problems with them. $entries = dba::count('item', ['uri' => $item['uri'], 'uid' => $item['uid'], 'network' => $item['network']]); if ($entries > 1) { // There are duplicates. We delete our just created entry. logger('Duplicated post occurred. uri = ' . $item['uri'] . ' uid = ' . $item['uid']); // Yes, we could do a rollback here - but we are having many users with MyISAM. dba::delete('item', ['id' => $current_post]); dba::commit(); return 0; } elseif ($entries == 0) { // This really should never happen since we quit earlier if there were problems. logger("Something is terribly wrong. We haven't found our created entry."); dba::rollback(); return 0; } logger('created item '.$current_post); self::updateContact($item); if (!$parent_id || ($item['parent-uri'] === $item['uri'])) { $parent_id = $current_post; } // Set parent id dba::update('item', ['parent' => $parent_id], ['id' => $current_post]); $item['id'] = $current_post; $item['parent'] = $parent_id; // update the commented timestamp on the parent // Only update "commented" if it is really a comment if (($item['gravity'] != GRAVITY_ACTIVITY) || !Config::get("system", "like_no_comment")) { dba::update('item', ['commented' => DateTimeFormat::utcNow(), 'changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]); } else { dba::update('item', ['changed' => DateTimeFormat::utcNow()], ['id' => $parent_id]); } if ($dsprsig) { /* * Friendica servers lower than 3.4.3-2 had double encoded the signature ... * We can check for this condition when we decode and encode the stuff again. */ if (base64_encode(base64_decode(base64_decode($dsprsig->signature))) == base64_decode($dsprsig->signature)) { $dsprsig->signature = base64_decode($dsprsig->signature); logger("Repaired double encoded signature from handle ".$dsprsig->signer, LOGGER_DEBUG); } dba::insert('sign', ['iid' => $current_post, 'signed_text' => $dsprsig->signed_text, 'signature' => $dsprsig->signature, 'signer' => $dsprsig->signer]); } if (!empty($diaspora_signed_text)) { // Formerly we stored the signed text, the signature and the author in different fields. // We now store the raw data so that we are more flexible. dba::insert('sign', ['iid' => $current_post, 'signed_text' => $diaspora_signed_text]); } $deleted = self::tagDeliver($item['uid'], $current_post); /* * current post can be deleted if is for a community page and no mention are * in it. */ if (!$deleted && !$dontcache) { $posted_item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $current_post]); if (DBM::is_result($posted_item)) { if ($notify) { Addon::callHooks('post_local_end', $posted_item); } else { Addon::callHooks('post_remote_end', $posted_item); } } else { logger('new item not found in DB, id ' . $current_post); } } if ($item['parent-uri'] === $item['uri']) { self::addThread($current_post); } else { self::updateThread($parent_id); } dba::commit(); /* * Due to deadlock issues with the "term" table we are doing these steps after the commit. * This is not perfect - but a workable solution until we found the reason for the problem. */ if (!empty($tags)) { Term::insertFromTagFieldByItemId($current_post, $tags); } if (!empty($files)) { Term::insertFromFileFieldByItemId($current_post, $files); } if ($item['parent-uri'] === $item['uri']) { self::addShadow($current_post); } else { self::addShadowPost($current_post); } check_user_notification($current_post); if ($notify) { Worker::add(['priority' => $priority, 'dont_fork' => true], "Notifier", $notify_type, $current_post); } elseif (!empty($parent) && $parent['origin']) { Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], "Notifier", "comment-import", $current_post); } return $current_post; } /** * @brief Insert a new item content entry * * @param array $item The item fields that are to be inserted */ private static function insertContent(&$item) { $fields = ['uri' => $item['uri'], 'plink' => $item['plink'], 'uri-plink-hash' => hash('sha1', $item['plink']).hash('sha1', $item['uri'])]; foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { if (isset($item[$field])) { $fields[$field] = $item[$field]; unset($item[$field]); } } // To avoid timing problems, we are using locks. $locked = Lock::set('item_insert_content'); if (!$locked) { logger("Couldn't acquire lock for URI " . $item['uri'] . " - proceeding anyway."); } // Do we already have this content? $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $item['uri']]); if (DBM::is_result($item_content)) { $item['icid'] = $item_content['id']; logger('Fetched content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')'); } elseif (dba::insert('item-content', $fields)) { $item['icid'] = dba::lastInsertId(); logger('Inserted content for URI ' . $item['uri'] . ' (' . $item['icid'] . ')'); } else { // By setting the ICID value through the worker we should avoid timing problems. // When the locking works, this shouldn't be needed. But better be prepared. Worker::add(PRIORITY_HIGH, 'SetItemContentID', $item['uri']); logger('Could not insert content for URI ' . $item['uri'] . ' - trying asynchronously'); } if ($locked) { Lock::remove('item_insert_content'); } } /** * @brief Set the item content id for a given URI * * @param string $uri The item URI */ public static function setICIDforURI($uri) { $item_content = dba::selectFirst('item-content', ['id'], ['uri' => $uri]); if (DBM::is_result($item_content)) { dba::update('item', ['icid' => $item_content['id']], ['icid' => 0, 'uri' => $uri]); logger('Asynchronously set item content id for URI ' . $uri . ' (' . $item_content['id'] . ') - Affected: '. (int)dba::affected_rows()); } else { logger('No item-content found for URI ' . $uri); } } /** * @brief Update existing item content entries * * @param array $item The item fields that are to be changed * @param array $condition The condition for finding the item content entries */ private static function updateContent($item, $condition) { // We have to select only the fields from the "item-content" table $fields = []; foreach (array_merge(self::CONTENT_FIELDLIST, self::MIXED_CONTENT_FIELDLIST) as $field) { if (isset($item[$field])) { $fields[$field] = $item[$field]; } } if (empty($fields)) { return; } if (!empty($item['plink'])) { $fields['uri-plink-hash'] = hash('sha1', $item['plink']) . hash('sha1', $condition['uri']); } else { // Ensure that we don't delete the plink unset($fields['plink']); } logger('Update content for URI ' . $condition['uri']); dba::update('item-content', $fields, $condition, true); } /** * @brief Distributes public items to the receivers * * @param integer $itemid Item ID that should be added * @param string $signed_text Original text (for Diaspora signatures), JSON encoded. */ public static function distribute($itemid, $signed_text = '') { $condition = ["`id` IN (SELECT `parent` FROM `item` WHERE `id` = ?)", $itemid]; $parent = self::selectFirst(['owner-id'], $condition); if (!DBM::is_result($parent)) { return; } // Only distribute public items from native networks $condition = ['id' => $itemid, 'uid' => 0, 'network' => [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""], 'visible' => true, 'deleted' => false, 'moderated' => false, 'private' => false]; $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); if (!DBM::is_result($item)) { return; } unset($item['id']); unset($item['parent']); unset($item['mention']); unset($item['wall']); unset($item['origin']); unset($item['starred']); $users = []; $condition = ["`nurl` IN (SELECT `nurl` FROM `contact` WHERE `id` = ?) AND `uid` != 0 AND NOT `blocked` AND `rel` IN (?, ?)", $parent['owner-id'], CONTACT_IS_SHARING, CONTACT_IS_FRIEND]; $contacts = dba::select('contact', ['uid'], $condition); while ($contact = dba::fetch($contacts)) { $users[$contact['uid']] = $contact['uid']; } $origin_uid = 0; if ($item['uri'] != $item['parent-uri']) { $parents = self::select(['uid', 'origin'], ["`uri` = ? AND `uid` != 0", $item['parent-uri']]); while ($parent = dba::fetch($parents)) { $users[$parent['uid']] = $parent['uid']; if ($parent['origin'] && !$item['origin']) { $origin_uid = $parent['uid']; } } } foreach ($users as $uid) { if ($origin_uid == $uid) { $item['diaspora_signed_text'] = $signed_text; } self::storeForUser($itemid, $item, $uid); } } /** * @brief Store public items for the receivers * * @param integer $itemid Item ID that should be added * @param array $item The item entry that will be stored * @param integer $uid The user that will receive the item entry */ private static function storeForUser($itemid, $item, $uid) { $item['uid'] = $uid; $item['origin'] = 0; $item['wall'] = 0; if ($item['uri'] == $item['parent-uri']) { $item['contact-id'] = Contact::getIdForURL($item['owner-link'], $uid); } else { $item['contact-id'] = Contact::getIdForURL($item['author-link'], $uid); } if (empty($item['contact-id'])) { $self = dba::selectFirst('contact', ['id'], ['self' => true, 'uid' => $uid]); if (!DBM::is_result($self)) { return; } $item['contact-id'] = $self['id']; } if (in_array($item['type'], ["net-comment", "wall-comment"])) { $item['type'] = 'remote-comment'; } elseif ($item['type'] == 'wall') { $item['type'] = 'remote'; } /// @todo Handling of "event-id" $notify = false; if ($item['uri'] == $item['parent-uri']) { $contact = dba::selectFirst('contact', [], ['id' => $item['contact-id'], 'self' => false]); if (DBM::is_result($contact)) { $notify = self::isRemoteSelf($contact, $item); } } $distributed = self::insert($item, false, $notify, true); if (!$distributed) { logger("Distributed public item " . $itemid . " for user " . $uid . " wasn't stored", LOGGER_DEBUG); } else { logger("Distributed public item " . $itemid . " for user " . $uid . " with id " . $distributed, LOGGER_DEBUG); } } /** * @brief Add a shadow entry for a given item id that is a thread starter * * We store every public item entry additionally with the user id "0". * This is used for the community page and for the search. * It is planned that in the future we will store public item entries only once. * * @param integer $itemid Item ID that should be added */ public static function addShadow($itemid) { $fields = ['uid', 'private', 'moderated', 'visible', 'deleted', 'network', 'uri']; $condition = ['id' => $itemid, 'parent' => [0, $itemid]]; $item = self::selectFirst($fields, $condition); if (!DBM::is_result($item)) { return; } // is it already a copy? if (($itemid == 0) || ($item['uid'] == 0)) { return; } // Is it a visible public post? if (!$item["visible"] || $item["deleted"] || $item["moderated"] || $item["private"]) { return; } // is it an entry from a connector? Only add an entry for natively connected networks if (!in_array($item["network"], [NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS, ""])) { return; } if (self::exists(['uri' => $item['uri'], 'uid' => 0])) { return; } $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); if (DBM::is_result($item)) { // Preparing public shadow (removing user specific data) $item['uid'] = 0; unset($item['id']); unset($item['parent']); unset($item['wall']); unset($item['mention']); unset($item['origin']); unset($item['starred']); if ($item['uri'] == $item['parent-uri']) { $item['contact-id'] = $item['owner-id']; } else { $item['contact-id'] = $item['author-id']; } if (in_array($item['type'], ["net-comment", "wall-comment"])) { $item['type'] = 'remote-comment'; } elseif ($item['type'] == 'wall') { $item['type'] = 'remote'; } $public_shadow = self::insert($item, false, false, true); logger("Stored public shadow for thread ".$itemid." under id ".$public_shadow, LOGGER_DEBUG); } } /** * @brief Add a shadow entry for a given item id that is a comment * * This function does the same like the function above - but for comments * * @param integer $itemid Item ID that should be added */ public static function addShadowPost($itemid) { $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $itemid]); if (!DBM::is_result($item)) { return; } // Is it a toplevel post? if ($item['id'] == $item['parent']) { self::addShadow($itemid); return; } // Is this a shadow entry? if ($item['uid'] == 0) { return; } // Is there a shadow parent? if (!self::exists(['uri' => $item['parent-uri'], 'uid' => 0])) { return; } // Is there already a shadow entry? if (self::exists(['uri' => $item['uri'], 'uid' => 0])) { return; } // Save "origin" and "parent" state $origin = $item['origin']; $parent = $item['parent']; // Preparing public shadow (removing user specific data) $item['uid'] = 0; unset($item['id']); unset($item['parent']); unset($item['wall']); unset($item['mention']); unset($item['origin']); unset($item['starred']); $item['contact-id'] = Contact::getIdForURL($item['author-link']); if (in_array($item['type'], ["net-comment", "wall-comment"])) { $item['type'] = 'remote-comment'; } elseif ($item['type'] == 'wall') { $item['type'] = 'remote'; } $public_shadow = self::insert($item, false, false, true); logger("Stored public shadow for comment ".$item['uri']." under id ".$public_shadow, LOGGER_DEBUG); // If this was a comment to a Diaspora post we don't get our comment back. // This means that we have to distribute the comment by ourselves. if ($origin && self::exists(['id' => $parent, 'network' => NETWORK_DIASPORA])) { self::distribute($public_shadow); } } /** * Adds a language specification in a "language" element of given $arr. * Expects "body" element to exist in $arr. */ private static function addLanguageToItemArray(&$item) { $naked_body = Text\BBCode::toPlaintext($item['body'], false); $ld = new Text_LanguageDetect(); $ld->setNameMode(2); $languages = $ld->detect($naked_body, 3); if (is_array($languages)) { $item['language'] = json_encode($languages); } } /** * @brief Creates an unique guid out of a given uri * * @param string $uri uri of an item entry * @param string $host hostname for the GUID prefix * @return string unique guid */ public static function guidFromUri($uri, $host) { // Our regular guid routine is using this kind of prefix as well // We have to avoid that different routines could accidentally create the same value $parsed = parse_url($uri); // We use a hash of the hostname as prefix for the guid $guid_prefix = hash("crc32", $host); // Remove the scheme to make sure that "https" and "http" doesn't make a difference unset($parsed["scheme"]); // Glue it together to be able to make a hash from it $host_id = implode("/", $parsed); // We could use any hash algorithm since it isn't a security issue $host_hash = hash("ripemd128", $host_id); return $guid_prefix.$host_hash; } /** * generate an unique URI * * @param integer $uid User id * @param string $guid An existing GUID (Otherwise it will be generated) * * @return string */ public static function newURI($uid, $guid = "") { if ($guid == "") { $guid = get_guid(32); } $hostname = self::getApp()->get_hostname(); $user = dba::selectFirst('user', ['nickname'], ['uid' => $uid]); $uri = "urn:X-dfrn:" . $hostname . ':' . $user['nickname'] . ':' . $guid; return $uri; } /** * @brief Set "success_update" and "last-item" to the date of the last time we heard from this contact * * This can be used to filter for inactive contacts. * Only do this for public postings to avoid privacy problems, since poco data is public. * Don't set this value if it isn't from the owner (could be an author that we don't know) * * @param array $arr Contains the just posted item record */ private static function updateContact($arr) { // Unarchive the author $contact = dba::selectFirst('contact', [], ['id' => $arr["author-id"]]); if (DBM::is_result($contact)) { Contact::unmarkForArchival($contact); } // Unarchive the contact if it's not our own contact $contact = dba::selectFirst('contact', [], ['id' => $arr["contact-id"], 'self' => false]); if (DBM::is_result($contact)) { Contact::unmarkForArchival($contact); } $update = (!$arr['private'] && (($arr["author-link"] === $arr["owner-link"]) || ($arr["parent-uri"] === $arr["uri"]))); // Is it a forum? Then we don't care about the rules from above if (!$update && ($arr["network"] == NETWORK_DFRN) && ($arr["parent-uri"] === $arr["uri"])) { if (dba::exists('contact', ['id' => $arr['contact-id'], 'forum' => true])) { $update = true; } } if ($update) { dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], ['id' => $arr['contact-id']]); } // Now do the same for the system wide contacts with uid=0 if (!$arr['private']) { dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], ['id' => $arr['owner-id']]); if ($arr['owner-id'] != $arr['author-id']) { dba::update('contact', ['success_update' => $arr['received'], 'last-item' => $arr['received']], ['id' => $arr['author-id']]); } } } public static function setHashtags(&$item) { $tags = get_tags($item["body"]); // No hashtags? if (!count($tags)) { return false; } // This sorting is important when there are hashtags that are part of other hashtags // Otherwise there could be problems with hashtags like #test and #test2 rsort($tags); $URLSearchString = "^\[\]"; // All hashtags should point to the home server if "local_tags" is activated if (Config::get('system', 'local_tags')) { $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["body"]); $item["tag"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", "#[url=".System::baseUrl()."/search?tag=$2]$2[/url]", $item["tag"]); } // mask hashtags inside of url, bookmarks and attachments to avoid urls in urls $item["body"] = preg_replace_callback("/\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", function ($match) { return ("[url=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/url]"); }, $item["body"]); $item["body"] = preg_replace_callback("/\[bookmark\=([$URLSearchString]*)\](.*?)\[\/bookmark\]/ism", function ($match) { return ("[bookmark=" . str_replace("#", "#", $match[1]) . "]" . str_replace("#", "#", $match[2]) . "[/bookmark]"); }, $item["body"]); $item["body"] = preg_replace_callback("/\[attachment (.*)\](.*?)\[\/attachment\]/ism", function ($match) { return ("[attachment " . str_replace("#", "#", $match[1]) . "]" . $match[2] . "[/attachment]"); }, $item["body"]); // Repair recursive urls $item["body"] = preg_replace("/#\[url\=([$URLSearchString]*)\](.*?)\[\/url\]/ism", "#$2", $item["body"]); foreach ($tags as $tag) { if ((strpos($tag, '#') !== 0) || strpos($tag, '[url=')) { continue; } $basetag = str_replace('_',' ',substr($tag,1)); $newtag = '#[url=' . System::baseUrl() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/url]'; $item["body"] = str_replace($tag, $newtag, $item["body"]); if (!stristr($item["tag"], "/search?tag=" . $basetag . "]" . $basetag . "[/url]")) { if (strlen($item["tag"])) { $item["tag"] = ','.$item["tag"]; } $item["tag"] = $newtag.$item["tag"]; } } // Convert back the masked hashtags $item["body"] = str_replace("#", "#", $item["body"]); } public static function getGuidById($id) { $item = self::selectFirst(['guid'], ['id' => $id]); if (DBM::is_result($item)) { return $item['guid']; } else { return ''; } } public static function getIdAndNickByGuid($guid, $uid = 0) { $nick = ""; $id = 0; if ($uid == 0) { $uid == local_user(); } // Does the given user have this item? if ($uid) { $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated` AND `item`.`guid` = ? AND `item`.`uid` = ?", $guid, $uid); if (DBM::is_result($item)) { $id = $item["id"]; $nick = $item["nickname"]; } } // Or is it anywhere on the server? if ($nick == "") { $item = dba::fetch_first("SELECT `item`.`id`, `user`.`nickname` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated` AND NOT `item`.`private` AND `item`.`wall` AND `item`.`guid` = ?", $guid); if (DBM::is_result($item)) { $id = $item["id"]; $nick = $item["nickname"]; } } return ["nick" => $nick, "id" => $id]; } /** * look for mention tags and setup a second delivery chain for forum/community posts if appropriate * @param int $uid * @param int $item_id * @return bool true if item was deleted, else false */ private static function tagDeliver($uid, $item_id) { $mention = false; $user = dba::selectFirst('user', [], ['uid' => $uid]); if (!DBM::is_result($user)) { return; } $community_page = (($user['page-flags'] == PAGE_COMMUNITY) ? true : false); $prvgroup = (($user['page-flags'] == PAGE_PRVGROUP) ? true : false); $item = self::selectFirst(self::ITEM_FIELDLIST, ['id' => $item_id]); if (!DBM::is_result($item)) { return; } $link = normalise_link(System::baseUrl() . '/profile/' . $user['nickname']); /* * Diaspora uses their own hardwired link URL in @-tags * instead of the one we supply with webfinger */ $dlink = normalise_link(System::baseUrl() . '/u/' . $user['nickname']); $cnt = preg_match_all('/[\@\!]\[url\=(.*?)\](.*?)\[\/url\]/ism', $item['body'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { if (link_compare($link, $mtch[1]) || link_compare($dlink, $mtch[1])) { $mention = true; logger('mention found: ' . $mtch[2]); } } } if (!$mention) { if (($community_page || $prvgroup) && !$item['wall'] && !$item['origin'] && ($item['id'] == $item['parent'])) { // mmh.. no mention.. community page or private group... no wall.. no origin.. top-post (not a comment) // delete it! logger("no-mention top-level post to community or private group. delete."); dba::delete('item', ['id' => $item_id]); return true; } return; } $arr = ['item' => $item, 'user' => $user]; Addon::callHooks('tagged', $arr); if (!$community_page && !$prvgroup) { return; } /* * tgroup delivery - setup a second delivery chain * prevent delivery looping - only proceed * if the message originated elsewhere and is a top-level post */ if ($item['wall'] || $item['origin'] || ($item['id'] != $item['parent'])) { return; } // now change this copy of the post to a forum head message and deliver to all the tgroup members $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $uid, 'self' => true]); if (!DBM::is_result($self)) { return; } $owner_id = Contact::getIdForURL($self['url']); // also reset all the privacy bits to the forum default permissions $private = ($user['allow_cid'] || $user['allow_gid'] || $user['deny_cid'] || $user['deny_gid']) ? 1 : 0; $forum_mode = ($prvgroup ? 2 : 1); $fields = ['wall' => true, 'origin' => true, 'forum_mode' => $forum_mode, 'contact-id' => $self['id'], 'owner-id' => $owner_id, 'owner-link' => $self['url'], 'private' => $private, 'allow_cid' => $user['allow_cid'], 'allow_gid' => $user['allow_gid'], 'deny_cid' => $user['deny_cid'], 'deny_gid' => $user['deny_gid']]; dba::update('item', $fields, ['id' => $item_id]); self::updateThread($item_id); Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => true], 'Notifier', 'tgroup', $item_id); } public static function isRemoteSelf($contact, &$datarray) { $a = get_app(); if (!$contact['remote_self']) { return false; } // Prevent the forwarding of posts that are forwarded if ($datarray["extid"] == NETWORK_DFRN) { logger('Already forwarded', LOGGER_DEBUG); return false; } // Prevent to forward already forwarded posts if ($datarray["app"] == $a->get_hostname()) { logger('Already forwarded (second test)', LOGGER_DEBUG); return false; } // Only forward posts if ($datarray["verb"] != ACTIVITY_POST) { logger('No post', LOGGER_DEBUG); return false; } if (($contact['network'] != NETWORK_FEED) && $datarray['private']) { logger('Not public', LOGGER_DEBUG); return false; } $datarray2 = $datarray; logger('remote-self start - Contact '.$contact['url'].' - '.$contact['remote_self'].' Item '.print_r($datarray, true), LOGGER_DEBUG); if ($contact['remote_self'] == 2) { $self = dba::selectFirst('contact', ['id', 'name', 'url', 'thumb'], ['uid' => $contact['uid'], 'self' => true]); if (DBM::is_result($self)) { $datarray['contact-id'] = $self["id"]; $datarray['owner-name'] = $self["name"]; $datarray['owner-link'] = $self["url"]; $datarray['owner-avatar'] = $self["thumb"]; $datarray['author-name'] = $datarray['owner-name']; $datarray['author-link'] = $datarray['owner-link']; $datarray['author-avatar'] = $datarray['owner-avatar']; unset($datarray['created']); unset($datarray['edited']); unset($datarray['network']); unset($datarray['owner-id']); unset($datarray['author-id']); } if ($contact['network'] != NETWORK_FEED) { $datarray["guid"] = get_guid(32); unset($datarray["plink"]); $datarray["uri"] = self::newURI($contact['uid'], $datarray["guid"]); $datarray["parent-uri"] = $datarray["uri"]; $datarray["thr-parent"] = $datarray["uri"]; $datarray["extid"] = NETWORK_DFRN; $urlpart = parse_url($datarray2['author-link']); $datarray["app"] = $urlpart["host"]; } else { $datarray['private'] = 0; } } if ($contact['network'] != NETWORK_FEED) { // Store the original post $result = self::insert($datarray2, false, false); logger('remote-self post original item - Contact '.$contact['url'].' return '.$result.' Item '.print_r($datarray2, true), LOGGER_DEBUG); } else { $datarray["app"] = "Feed"; $result = true; } // Trigger automatic reactions for addons $datarray['api_source'] = true; // We have to tell the hooks who we are - this really should be improved $_SESSION["authenticated"] = true; $_SESSION["uid"] = $contact['uid']; return $result; } /** * * @param string $s * @param int $uid * @param array $item * @param int $cid * @return string */ public static function fixPrivatePhotos($s, $uid, $item = null, $cid = 0) { if (Config::get('system', 'disable_embedded')) { return $s; } logger('check for photos', LOGGER_DEBUG); $site = substr(System::baseUrl(), strpos(System::baseUrl(), '://')); $orig_body = $s; $new_body = ''; $img_start = strpos($orig_body, '[img'); $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false); $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false); while (($img_st_close !== false) && ($img_len !== false)) { $img_st_close++; // make it point to AFTER the closing bracket $image = substr($orig_body, $img_start + $img_st_close, $img_len); logger('found photo ' . $image, LOGGER_DEBUG); if (stristr($image, $site . '/photo/')) { // Only embed locally hosted photos $replace = false; $i = basename($image); $i = str_replace(['.jpg', '.png', '.gif'], ['', '', ''], $i); $x = strpos($i, '-'); if ($x) { $res = substr($i, $x + 1); $i = substr($i, 0, $x); $fields = ['data', 'type', 'allow_cid', 'allow_gid', 'deny_cid', 'deny_gid']; $photo = dba::selectFirst('photo', $fields, ['resource-id' => $i, 'scale' => $res, 'uid' => $uid]); if (DBM::is_result($photo)) { /* * Check to see if we should replace this photo link with an embedded image * 1. No need to do so if the photo is public * 2. If there's a contact-id provided, see if they're in the access list * for the photo. If so, embed it. * 3. Otherwise, if we have an item, see if the item permissions match the photo * permissions, regardless of order but first check to see if they're an exact * match to save some processing overhead. */ if (self::hasPermissions($photo)) { if ($cid) { $recips = self::enumeratePermissions($photo); if (in_array($cid, $recips)) { $replace = true; } } elseif ($item) { if (self::samePermissions($item, $photo)) { $replace = true; } } } if ($replace) { $data = $photo['data']; $type = $photo['type']; // If a custom width and height were specified, apply before embedding if (preg_match("/\[img\=([0-9]*)x([0-9]*)\]/is", substr($orig_body, $img_start, $img_st_close), $match)) { logger('scaling photo', LOGGER_DEBUG); $width = intval($match[1]); $height = intval($match[2]); $Image = new Image($data, $type); if ($Image->isValid()) { $Image->scaleDown(max($width, $height)); $data = $Image->asString(); $type = $Image->getType(); } } logger('replacing photo', LOGGER_DEBUG); $image = 'data:' . $type . ';base64,' . base64_encode($data); logger('replaced: ' . $image, LOGGER_DATA); } } } } $new_body = $new_body . substr($orig_body, 0, $img_start + $img_st_close) . $image . '[/img]'; $orig_body = substr($orig_body, $img_start + $img_st_close + $img_len + strlen('[/img]')); if ($orig_body === false) { $orig_body = ''; } $img_start = strpos($orig_body, '[img'); $img_st_close = ($img_start !== false ? strpos(substr($orig_body, $img_start), ']') : false); $img_len = ($img_start !== false ? strpos(substr($orig_body, $img_start + $img_st_close + 1), '[/img]') : false); } $new_body = $new_body . $orig_body; return $new_body; } private static function hasPermissions($obj) { return !empty($obj['allow_cid']) || !empty($obj['allow_gid']) || !empty($obj['deny_cid']) || !empty($obj['deny_gid']); } private static function samePermissions($obj1, $obj2) { // first part is easy. Check that these are exactly the same. if (($obj1['allow_cid'] == $obj2['allow_cid']) && ($obj1['allow_gid'] == $obj2['allow_gid']) && ($obj1['deny_cid'] == $obj2['deny_cid']) && ($obj1['deny_gid'] == $obj2['deny_gid'])) { return true; } // This is harder. Parse all the permissions and compare the resulting set. $recipients1 = self::enumeratePermissions($obj1); $recipients2 = self::enumeratePermissions($obj2); sort($recipients1); sort($recipients2); /// @TODO Comparison of arrays, maybe use array_diff_assoc() here? return ($recipients1 == $recipients2); } // returns an array of contact-ids that are allowed to see this object private static function enumeratePermissions($obj) { $allow_people = expand_acl($obj['allow_cid']); $allow_groups = Group::expand(expand_acl($obj['allow_gid'])); $deny_people = expand_acl($obj['deny_cid']); $deny_groups = Group::expand(expand_acl($obj['deny_gid'])); $recipients = array_unique(array_merge($allow_people, $allow_groups)); $deny = array_unique(array_merge($deny_people, $deny_groups)); $recipients = array_diff($recipients, $deny); return $recipients; } public static function getFeedTags($item) { $ret = []; $matches = false; $cnt = preg_match_all('|\#\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches); if ($cnt) { for ($x = 0; $x < $cnt; $x ++) { if ($matches[1][$x]) { $ret[$matches[2][$x]] = ['#', $matches[1][$x], $matches[2][$x]]; } } } $matches = false; $cnt = preg_match_all('|\@\[url\=(.*?)\](.*?)\[\/url\]|', $item['tag'], $matches); if ($cnt) { for ($x = 0; $x < $cnt; $x ++) { if ($matches[1][$x]) { $ret[] = ['@', $matches[1][$x], $matches[2][$x]]; } } } return $ret; } public static function expire($uid, $days, $network = "", $force = false) { if (!$uid || ($days < 1)) { return; } $condition = ["`uid` = ? AND NOT `deleted` AND `id` = `parent` AND `gravity` = ?", $uid, GRAVITY_PARENT]; /* * $expire_network_only = save your own wall posts * and just expire conversations started by others */ $expire_network_only = PConfig::get($uid, 'expire', 'network_only', false); if ($expire_network_only) { $condition[0] .= " AND NOT `wall`"; } if ($network != "") { $condition[0] .= " AND `network` = ?"; $condition[] = $network; /* * There is an index "uid_network_received" but not "uid_network_created" * This avoids the creation of another index just for one purpose. * And it doesn't really matter wether to look at "received" or "created" */ $condition[0] .= " AND `received` < UTC_TIMESTAMP() - INTERVAL ? DAY"; $condition[] = $days; } else { $condition[0] .= " AND `created` < UTC_TIMESTAMP() - INTERVAL ? DAY"; $condition[] = $days; } $items = self::select(['file', 'resource-id', 'starred', 'type', 'id'], $condition); if (!DBM::is_result($items)) { return; } $expire_items = PConfig::get($uid, 'expire', 'items', true); // Forcing expiring of items - but not notes and marked items if ($force) { $expire_items = true; } $expire_notes = PConfig::get($uid, 'expire', 'notes', true); $expire_starred = PConfig::get($uid, 'expire', 'starred', true); $expire_photos = PConfig::get($uid, 'expire', 'photos', false); $expired = 0; while ($item = Item::fetch($items)) { // don't expire filed items if (strpos($item['file'], '[') !== false) { continue; } // Only expire posts, not photos and photo comments if (!$expire_photos && strlen($item['resource-id'])) { continue; } elseif (!$expire_starred && intval($item['starred'])) { continue; } elseif (!$expire_notes && $item['type'] == 'note') { continue; } elseif (!$expire_items && $item['type'] != 'note') { continue; } self::deleteById($item['id'], PRIORITY_LOW); ++$expired; } dba::close($items); logger('User ' . $uid . ": expired $expired items; expire items: $expire_items, expire notes: $expire_notes, expire starred: $expire_starred, expire photos: $expire_photos"); } public static function firstPostDate($uid, $wall = false) { $condition = ['uid' => $uid, 'wall' => $wall, 'deleted' => false, 'visible' => true, 'moderated' => false]; $params = ['order' => ['created' => false]]; $thread = dba::selectFirst('thread', ['created'], $condition, $params); if (DBM::is_result($thread)) { return substr(DateTimeFormat::local($thread['created']), 0, 10); } return false; } /** * @brief add/remove activity to an item * * Toggle activities as like,dislike,attend of an item * * @param string $item_id * @param string $verb * Activity verb. One of * like, unlike, dislike, undislike, attendyes, unattendyes, * attendno, unattendno, attendmaybe, unattendmaybe * @hook 'post_local_end' * array $arr * 'post_id' => ID of posted item */ public static function performLike($item_id, $verb) { if (!local_user() && !remote_user()) { return false; } switch ($verb) { case 'like': case 'unlike': $bodyverb = L10n::t('%1$s likes %2$s\'s %3$s'); $activity = ACTIVITY_LIKE; break; case 'dislike': case 'undislike': $bodyverb = L10n::t('%1$s doesn\'t like %2$s\'s %3$s'); $activity = ACTIVITY_DISLIKE; break; case 'attendyes': case 'unattendyes': $bodyverb = L10n::t('%1$s is attending %2$s\'s %3$s'); $activity = ACTIVITY_ATTEND; break; case 'attendno': case 'unattendno': $bodyverb = L10n::t('%1$s is not attending %2$s\'s %3$s'); $activity = ACTIVITY_ATTENDNO; break; case 'attendmaybe': case 'unattendmaybe': $bodyverb = L10n::t('%1$s may attend %2$s\'s %3$s'); $activity = ACTIVITY_ATTENDMAYBE; break; default: logger('like: unknown verb ' . $verb . ' for item ' . $item_id); return false; } // Enable activity toggling instead of on/off $event_verb_flag = $activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE; logger('like: verb ' . $verb . ' item ' . $item_id); $item = self::selectFirst(self::ITEM_FIELDLIST, ['`id` = ? OR `uri` = ?', $item_id, $item_id]); if (!DBM::is_result($item)) { logger('like: unknown item ' . $item_id); return false; } $uid = $item['uid']; if (($uid == 0) && local_user()) { $uid = local_user(); } if (!can_write_wall($uid)) { logger('like: unable to write on wall ' . $uid); return false; } // Retrieves the local post owner $owner_self_contact = dba::selectFirst('contact', [], ['uid' => $uid, 'self' => true]); if (!DBM::is_result($owner_self_contact)) { logger('like: unknown owner ' . $uid); return false; } // Retrieve the current logged in user's public contact $author_id = public_contact(); $author_contact = dba::selectFirst('contact', [], ['id' => $author_id]); if (!DBM::is_result($author_contact)) { logger('like: unknown author ' . $author_id); return false; } // Contact-id is the uid-dependant author contact if (local_user() == $uid) { $item_contact_id = $owner_self_contact['id']; $item_contact = $owner_self_contact; } else { $item_contact_id = Contact::getIdForURL($author_contact['url'], $uid, true); $item_contact = dba::selectFirst('contact', [], ['id' => $item_contact_id]); if (!DBM::is_result($item_contact)) { logger('like: unknown item contact ' . $item_contact_id); return false; } } // Look for an existing verb row // event participation are essentially radio toggles. If you make a subsequent choice, // we need to eradicate your first choice. if ($event_verb_flag) { $verbs = [ACTIVITY_ATTEND, ACTIVITY_ATTENDNO, ACTIVITY_ATTENDMAYBE]; } else { $verbs = $activity; } $base_condition = ['verb' => $verbs, 'deleted' => false, 'gravity' => GRAVITY_ACTIVITY, 'author-id' => $author_contact['id'], 'uid' => item['uid']]; $condition = array_merge($base_condition, ['parent' => $item_id]); $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition); if (!DBM::is_result($like_item)) { $condition = array_merge($base_condition, ['parent-uri' => $item_id]); $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition); } if (!DBM::is_result($like_item)) { $condition = array_merge($base_condition, ['thr-parent' => $item_id]); $like_item = self::selectFirst(['id', 'guid', 'verb'], $condition); } // If it exists, mark it as deleted if (DBM::is_result($like_item)) { // Already voted, undo it $fields = ['deleted' => true, 'unseen' => true, 'changed' => DateTimeFormat::utcNow()]; /// @todo Consider using self::update - but before doing so, check the side effects dba::update('item', $fields, ['id' => $like_item['id']]); // Clean up the Diaspora signatures for this like // Go ahead and do it even if Diaspora support is disabled. We still want to clean up // if it had been enabled in the past dba::delete('sign', ['iid' => $like_item['id']]); $like_item_id = $like_item['id']; Worker::add(PRIORITY_HIGH, "Notifier", "like", $like_item_id); if (!$event_verb_flag || $like_item['verb'] == $activity) { return true; } } // Verb is "un-something", just trying to delete existing entries if (strpos($verb, 'un') === 0) { return true; } // Else or if event verb different from existing row, create a new item row $post_type = (($item['resource-id']) ? L10n::t('photo') : L10n::t('status')); if ($item['object-type'] === ACTIVITY_OBJ_EVENT) { $post_type = L10n::t('event'); } $objtype = $item['resource-id'] ? ACTIVITY_OBJ_IMAGE : ACTIVITY_OBJ_NOTE ; $link = xmlify('' . "\n") ; $body = $item['body']; $obj = <<< EOT EOT; $ulink = '[url=' . $author_contact['url'] . ']' . $author_contact['name'] . '[/url]'; $alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]'; $plink = '[url=' . System::baseUrl() . '/display/' . $owner_self_contact['nick'] . '/' . $item['id'] . ']' . $post_type . '[/url]'; $new_item = [ 'guid' => get_guid(32), 'uri' => self::newURI($item['uid']), 'uid' => $item['uid'], 'contact-id' => $item_contact_id, 'type' => 'activity', 'wall' => $item['wall'], 'origin' => 1, 'gravity' => GRAVITY_ACTIVITY, 'parent' => $item['id'], 'parent-uri' => $item['uri'], 'thr-parent' => $item['uri'], 'owner-id' => $item['owner-id'], 'owner-name' => $item['owner-name'], 'owner-link' => $item['owner-link'], 'owner-avatar' => $item['owner-avatar'], 'author-id' => $author_contact['id'], 'author-name' => $author_contact['name'], 'author-link' => $author_contact['url'], 'author-avatar' => $author_contact['thumb'], 'body' => sprintf($bodyverb, $ulink, $alink, $plink), 'verb' => $activity, 'object-type' => $objtype, 'object' => $obj, 'allow_cid' => $item['allow_cid'], 'allow_gid' => $item['allow_gid'], 'deny_cid' => $item['deny_cid'], 'deny_gid' => $item['deny_gid'], 'visible' => 1, 'unseen' => 1, ]; $new_item_id = self::insert($new_item); // If the parent item isn't visible then set it to visible if (!$item['visible']) { self::update(['visible' => true], ['id' => $item['id']]); } // Save the author information for the like in case we need to relay to Diaspora Diaspora::storeLikeSignature($item_contact, $new_item_id); $new_item['id'] = $new_item_id; Addon::callHooks('post_local_end', $new_item); Worker::add(PRIORITY_HIGH, "Notifier", "like", $new_item_id); return true; } private static function addThread($itemid, $onlyshadow = false) { $fields = ['uid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id', 'deleted', 'origin', 'forum_mode', 'mention', 'network', 'author-id', 'owner-id']; $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid]; $item = self::selectFirst($fields, $condition); if (!DBM::is_result($item)) { return; } $item['iid'] = $itemid; if (!$onlyshadow) { $result = dba::insert('thread', $item); logger("Add thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG); } } private static function updateThread($itemid, $setmention = false) { $fields = ['uid', 'guid', 'created', 'edited', 'commented', 'received', 'changed', 'wall', 'private', 'pubmail', 'moderated', 'visible', 'starred', 'bookmark', 'contact-id', 'deleted', 'origin', 'forum_mode', 'network', 'author-id', 'owner-id']; $condition = ["`id` = ? AND (`parent` = ? OR `parent` = 0)", $itemid, $itemid]; $item = self::selectFirst($fields, $condition); if (!DBM::is_result($item)) { return; } if ($setmention) { $item["mention"] = 1; } $sql = ""; $fields = []; foreach ($item as $field => $data) { if (!in_array($field, ["guid"])) { $fields[$field] = $data; } } $result = dba::update('thread', $fields, ['iid' => $itemid]); logger("Update thread for item ".$itemid." - guid ".$item["guid"]." - ".(int)$result, LOGGER_DEBUG); } private static function deleteThread($itemid, $itemuri = "") { $item = dba::selectFirst('thread', ['uid'], ['iid' => $itemid]); if (!DBM::is_result($item)) { logger('No thread found for id '.$itemid, LOGGER_DEBUG); return; } // Using dba::delete at this time could delete the associated item entries $result = dba::e("DELETE FROM `thread` WHERE `iid` = ?", $itemid); logger("deleteThread: Deleted thread for item ".$itemid." - ".print_r($result, true), LOGGER_DEBUG); if ($itemuri != "") { $condition = ["`uri` = ? AND NOT `deleted` AND NOT (`uid` IN (?, 0))", $itemuri, $item["uid"]]; if (!self::exists($condition)) { dba::delete('item', ['uri' => $itemuri, 'uid' => 0]); logger("deleteThread: Deleted shadow for item ".$itemuri, LOGGER_DEBUG); } } } }