roundcubemail-plugins-kolab/plugins/libkolab/lib/kolab_storage_config.php

317 lines
8.8 KiB
PHP

<?php
/**
* Kolab storage class providing access to configuration objects on a Kolab server.
*
* @version @package_version@
* @author Thomas Bruederli <bruederli@kolabsys.com>
* @author Aleksander Machniak <machniak@kolabsys.com>
*
* Copyright (C) 2012-2014, Kolab Systems AG <contact@kolabsys.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
class kolab_storage_config
{
const FOLDER_TYPE = 'configuration';
/**
* Singleton instace of kolab_storage_config
*
* @var kolab_storage_config
*/
static protected $instance;
private $folders;
private $default;
private $enabled;
/**
* This implements the 'singleton' design pattern
*
* @return kolab_storage_config The one and only instance
*/
static function get_instance()
{
if (!self::$instance) {
self::$instance = new kolab_storage_config();
}
return self::$instance;
}
/**
* Private constructor
*/
private function __construct()
{
$this->folders = kolab_storage::get_folders(self::FOLDER_TYPE);
foreach ($this->folders as $folder) {
if ($folder->default) {
$this->default = $folder;
break;
}
}
// if no folder is set as default, choose the first one
if (!$this->default) {
$this->default = reset($this->folders);
}
// check if configuration folder exist
if ($this->default && $this->default->name) {
$this->enabled = true;
}
}
/**
* Check wether any configuration storage (folder) exists
*
* @return bool
*/
public function is_enabled()
{
return $this->enabled;
}
/**
* Get configuration objects
*
* @param array $filter Search filter
* @param bool $default Enable to get objects only from default folder
* @param array $data_filter Additional object data filter
*
* @return array List of objects
*/
public function get_objects($filter = array(), $default = false, $data_filter = array())
{
$list = array();
foreach ($this->folders as $folder) {
// we only want to read from default folder
if ($default && !$folder->default) {
continue;
}
foreach ($folder->select($filter) as $object) {
foreach ($data_filter as $key => $val) {
if ($object[$key] != $val) {
continue 2;
}
}
$list[] = $object;
}
}
return $list;
}
/**
* Create/update configuration object
*
* @param array $object Object data
* @param string $type Object type
*
* @return bool True on success, False on failure
*/
public function save(&$object, $type)
{
if (!$this->enabled) {
return false;
}
$folder = $this->find_folder($object);
$object['type'] = $type;
return $folder->save($object, self::FOLDER_TYPE . '.' . $type, $object['uid']);
}
/**
* Remove configuration object
*
* @param string $uid Object UID
*
* @return bool True on success, False on failure
*/
public function delete($uid)
{
// fetch the object to find folder
$list = $this->get_objects(array(array('uid', '=', $uid)));
$object = $list[0];
if (!$object) {
return false;
}
$folder = $this->find_folder($object);
return $folder->delete($uid);
}
/**
* Find folder
*/
private function find_folder($object = array())
{
// find folder object
if ($object['_mailbox']) {
foreach ($this->folders as $folder) {
if ($folder->name == $object['_mailbox']) {
break;
}
}
}
else {
$folder = $this->default;
}
return $folder;
}
/**
* Builds relation member URI
*
* @param string|array Object UUID or Message folder, UID, Search headers (Message-Id, Date)
*
* @return string $url Member URI
*/
public static function build_member_url($params)
{
// param is object UUID
if (is_string($params) && !empty($params)) {
return 'urn:uuid:' . $params;
}
if (empty($params) || !strlen($params['folder'])) {
return null;
}
$rcube = rcube::get_instance();
$storage = $rcube->get_storage();
// modify folder spec. according to namespace
$folder = $params['folder'];
$ns = $storage->folder_namespace($folder);
if ($ns == 'shared') {
// Note: this assumes there's only one shared namespace root
if ($ns = $storage->get_namespace('shared')) {
if ($prefix = $ns[0][0]) {
$folder = 'shared' . substr($folder, strlen($prefix));
}
}
}
else {
if ($ns == 'other') {
// Note: this assumes there's only one other users namespace root
if ($ns = $storage->get_namespace('shared')) {
if ($prefix = $ns[0][0]) {
$folder = 'user' . substr($folder, strlen($prefix));
}
}
}
else {
$folder = 'user' . '/' . $rcube->get_user_name() . '/' . $folder;
}
}
$folder = implode('/', array_map('rawurlencode', explode('/', $folder)));
// build URI
$url = 'imap:///' . $folder;
// UID is optional here because sometimes we want
// to build just a member uri prefix
if ($params['uid']) {
$url .= '/' . $params['uid'];
}
unset($params['folder']);
unset($params['uid']);
if (!empty($params)) {
$url .= '?' . http_build_query($params, '', '&');
}
return $url;
}
/**
* Parses relation member string
*
* @param string $url Member URI
*
* @return array Message folder, UID, Search headers (Message-Id, Date)
*/
public static function parse_member_url($url)
{
// Look for IMAP URI:
// imap:///(user/username@domain|shared)/<folder>/<UID>?<search_params>
if (strpos($url, 'imap:///') === 0) {
$rcube = rcube::get_instance();
$storage = $rcube->get_storage();
// parse_url does not work with imap:/// prefix
$url = parse_url(substr($url, 8));
$path = explode('/', $url['path']);
parse_str($url['query'], $params);
$uid = array_pop($path);
$ns = array_shift($path);
$path = array_map('rawurldecode', $path);
// resolve folder name
if ($ns == 'shared') {
$folder = implode('/', $path);
// Note: this assumes there's only one shared namespace root
if ($ns = $storage->get_namespace('shared')) {
if ($prefix = $ns[0][0]) {
$folder = $prefix . '/' . $folder;
}
}
}
else if ($ns == 'user') {
$username = array_shift($path);
$folder = implode('/', $path);
if ($username != $rcube->get_user_name()) {
// Note: this assumes there's only one other users namespace root
if ($ns = $storage->get_namespace('other')) {
if ($prefix = $ns[0][0]) {
$folder = $prefix . '/' . $username . '/' . $folder;
}
}
}
else if (!strlen($folder)) {
$folder = 'INBOX';
}
}
else {
return;
}
return array(
'folder' => $folder,
'uid' => $uid,
'params' => $params,
);
}
}
}