Page MenuHomePhorge
Files F117884229

kolab_sync.php
No OneTemporary
Actions

Authored By
Unknown
Size
14 KB
Referenced Files
None
Subscribers
None

kolab_sync.php
View Options

<?php
/**
+--------------------------------------------------------------------------+
| Kolab Sync (ActiveSync for Kolab) |
| |
| Copyright (C) 2011-2012, 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/> |
+--------------------------------------------------------------------------+
| Author: Aleksander Machniak <machniak@kolabsys.com> |
+--------------------------------------------------------------------------+
*/
/**
* Main application class (based on Roundcube Framework)
*/
class kolab_sync extends rcube
{
/**
* Application name
*
* @var string
*/
public $app_name = 'ActiveSync for Kolab'; // no double quotes inside
/**
* Current user
*
* @var rcube_user
*/
public $user;
const CHARSET = 'UTF-8';
const VERSION = "2.2.3";
/**
* This implements the 'singleton' design pattern
*
* @return kolab_sync The one and only instance
*/
static function get_instance()
{
if (!self::$instance || !is_a(self::$instance, 'kolab_sync')) {
self::$instance = new kolab_sync();
self::$instance->startup(); // init AFTER object was linked with self::$instance
}
return self::$instance;
}
/**
* Initialization of class instance
*/
public function startup()
{
// Initialize Syncroton Logger
$debug_mode = $this->config->get('activesync_debug') ? kolab_sync_logger::DEBUG : kolab_sync_logger::WARN;
$this->logger = new kolab_sync_logger($debug_mode);
// Get list of plugins
// WARNING: We can use only plugins that are prepared for this
// e.g. are not using output or rcmail objects or
// doesn't throw errors when using them
$plugins = (array)$this->config->get('activesync_plugins', array('kolab_auth'));
$required = array('libkolab');
// Initialize/load plugins
$this->plugins = kolab_sync_plugin_api::get_instance();
$this->plugins->init($this, $this->task);
$this->plugins->load_plugins($plugins, $required);
}
/**
* Application execution (authentication and ActiveSync)
*/
public function run()
{
$this->plugins->exec_hook('startup', array('task' => 'login'));
// when used with (f)cgi no PHP_AUTH* variables are available without defining a special rewrite rule
if (!isset($_SERVER['PHP_AUTH_USER'])) {
// "Basic didhfiefdhfu4fjfjdsa34drsdfterrde..."
if (isset($_SERVER["REMOTE_USER"])) {
$basicAuthData = base64_decode(substr($_SERVER["REMOTE_USER"], 6));
} elseif (isset($_SERVER["REDIRECT_REMOTE_USER"])) {
$basicAuthData = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6));
} elseif (isset($_SERVER["Authorization"])) {
$basicAuthData = base64_decode(substr($_SERVER["Authorization"], 6));
} elseif (isset($_SERVER["HTTP_AUTHORIZATION"])) {
$basicAuthData = base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"], 6));
}
if (isset($basicAuthData) && !empty($basicAuthData)) {
list($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']) = explode(":", $basicAuthData);
}
}
if (!empty($_SERVER['PHP_AUTH_USER']) && !empty($_SERVER['PHP_AUTH_PW'])) {
// Convert domain.tld\username into username@domain (?)
$username = explode("\\", $_SERVER['PHP_AUTH_USER']);
if (count($username) == 2) {
$_SERVER['PHP_AUTH_USER'] = $username[1];
if (!strpos($_SERVER['PHP_AUTH_USER'], '@') && !empty($username[0])) {
$_SERVER['PHP_AUTH_USER'] .= '@' . $username[0];
}
}
// Authenticate the user
$userid = $this->authenticate($_SERVER['PHP_AUTH_USER'], $_SERVER['PHP_AUTH_PW']);
}
if (empty($userid)) {
header('WWW-Authenticate: Basic realm="' . $this->app_name .'"');
header('HTTP/1.1 401 Unauthorized');
exit;
}
// Set log directory per-user
$this->set_log_dir($_SERVER['PHP_AUTH_USER']);
// Save user password for Roundcube Framework
$this->password = $_SERVER['PHP_AUTH_PW'];
// Register Syncroton backends
Syncroton_Registry::set('loggerBackend', $this->logger);
Syncroton_Registry::set(Syncroton_Registry::DATABASE, new kolab_sync_db);
Syncroton_Registry::set(Syncroton_Registry::TRANSACTIONMANAGER, kolab_sync_transaction_manager::getInstance());
Syncroton_Registry::set(Syncroton_Registry::DEVICEBACKEND, new kolab_sync_backend_device);
Syncroton_Registry::set(Syncroton_Registry::FOLDERBACKEND, new kolab_sync_backend_folder);
Syncroton_Registry::set(Syncroton_Registry::SYNCSTATEBACKEND, new kolab_sync_backend_state);
Syncroton_Registry::set(Syncroton_Registry::CONTENTSTATEBACKEND, new kolab_sync_backend_content);
Syncroton_Registry::set(Syncroton_Registry::POLICYBACKEND, new kolab_sync_backend_policy);
Syncroton_Registry::setContactsDataClass('kolab_sync_data_contacts');
Syncroton_Registry::setCalendarDataClass('kolab_sync_data_calendar');
Syncroton_Registry::setEmailDataClass('kolab_sync_data_email');
Syncroton_Registry::setTasksDataClass('kolab_sync_data_tasks');
Syncroton_Registry::setGALDataClass('kolab_sync_data_gal');
// Configuration
Syncroton_Registry::set(Syncroton_Registry::PING_TIMEOUT, $this->config->get('activesync_ping_timeout', 60));
Syncroton_Registry::set(Syncroton_Registry::QUIET_TIME, $this->config->get('activesync_quiet_time', 180));
// Run Syncroton
$syncroton = new Syncroton_Server($userid);
$syncroton->handle();
}
/**
* Authenticates a user
*
* @param string $username User name
* @param string $password User password
*
* @param int User ID
*/
public function authenticate($username, $password)
{
// use shared cache for kolab_auth plugin result (username canonification)
$cache = $this->get_cache_shared('activesync_auth');
$cache_key = md5($username . '::' . $password);
if (!$cache || !($auth = $cache->get($cache_key))) {
$auth = $this->plugins->exec_hook('authenticate', array(
'host' => $this->select_host($username),
'user' => $username,
'pass' => $password,
'valid' => true,
));
if ($auth['valid'] && $cache) {
$cache->set($cache_key, array(
'user' => $auth['user'],
'host' => $auth['host'],
'valid' => $auth['valid'],
));
}
}
else {
$auth['pass'] = $password;
}
// Authenticate - get Roundcube user ID
if ($auth['valid'] && !$auth['abort']
&& ($userid = $this->login($auth['user'], $auth['pass'], $auth['host']))
) {
return $userid;
}
$this->plugins->exec_hook('login_failed', array(
'host' => $auth['host'],
'user' => $auth['user'],
));
}
/**
* Storage host selection
*/
private function select_host($username)
{
// Get IMAP host
$host = $this->config->get('default_host');
if (is_array($host)) {
list($user, $domain) = explode('@', $username);
// try to select host by mail domain
if (!empty($domain)) {
foreach ($host as $storage_host => $mail_domains) {
if (is_array($mail_domains) && in_array_nocase($domain, $mail_domains)) {
$host = $storage_host;
break;
}
else if (stripos($storage_host, $domain) !== false || stripos(strval($mail_domains), $domain) !== false) {
$host = is_numeric($storage_host) ? $mail_domains : $storage_host;
break;
}
}
}
// take the first entry if $host is not found
if (is_array($host)) {
list($key, $val) = each($default_host);
$host = is_numeric($key) ? $val : $key;
}
}
return rcube_utils::parse_host($host);
}
/**
* Authenticates a user in IMAP and returns Roundcube user ID.
*/
private function login($username, $password, $host)
{
if (empty($username)) {
return null;
}
$login_lc = $this->config->get('login_lc');
$default_port = $this->config->get('default_port', 143);
// parse $host
$a_host = parse_url($host);
if ($a_host['host']) {
$host = $a_host['host'];
$ssl = (isset($a_host['scheme']) && in_array($a_host['scheme'], array('ssl','imaps','tls'))) ? $a_host['scheme'] : null;
if (!empty($a_host['port'])) {
$port = $a_host['port'];
}
else if ($ssl && $ssl != 'tls' && (!$default_port || $default_port == 143)) {
$port = 993;
}
}
if (!$port) {
$port = $default_port;
}
// Convert username to lowercase. If storage backend
// is case-insensitive we need to store always the same username
if ($login_lc) {
if ($login_lc == 2 || $login_lc === true) {
$username = mb_strtolower($username);
}
else if (strpos($username, '@')) {
// lowercase domain name
list($local, $domain) = explode('@', $username);
$username = $local . '@' . mb_strtolower($domain);
}
}
// Here we need IDNA ASCII
// Only rcube_contacts class is using domain names in Unicode
$host = rcube_utils::idn_to_ascii($host);
$username = rcube_utils::idn_to_ascii($username);
// user already registered?
if ($user = rcube_user::query($username, $host)) {
$username = $user->data['username'];
}
// authenticate user in IMAP
$storage = $this->get_storage();
if (!$storage->connect($host, $username, $password, $port, $ssl)) {
return null;
}
// No user in database, but IMAP auth works
if (!is_object($user)) {
if ($this->config->get('auto_create_user')) {
// create a new user record
$user = rcube_user::create($username, $host);
if (!$user) {
self::raise_error(array(
'code' => 620, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__,
'message' => "Failed to create a user record",
), true, false);
return null;
}
}
else {
self::raise_error(array(
'code' => 620, 'type' => 'php', 'file' => __FILE__, 'line' => __LINE__,
'message' => "Access denied for new user $username. 'auto_create_user' is disabled",
), true, false);
return null;
}
}
// overwrite config with user preferences
$this->user = $user;
$this->config->set_user_prefs((array)$this->user->get_prefs());
$this->set_storage_prop();
setlocale(LC_ALL, 'en_US.utf8', 'en_US.UTF-8');
// force reloading of mailboxes list/data
//$storage->clear_cache('mailboxes', true);
return $user->ID;
}
/**
* Set logging directory per-user
*/
protected function set_log_dir($username)
{
if (empty($username)) {
return;
}
if (!$this->config->get('activesync_user_log')) {
return;
}
$log_dir = $this->config->get('log_dir');
$log_dir .= DIRECTORY_SEPARATOR . $username;
if (!empty($_GET['DeviceId'])) {
$log_dir .= '_' . $_GET['DeviceId'];
}
if (!is_dir($log_dir)) {
if (!mkdir($log_dir, 0770)) {
return;
}
}
$this->config->set('log_dir', $log_dir);
// re-set PHP error logging
if (($this->config->get('debug_level') & 1) && $this->config->get('log_driver') != 'syslog') {
ini_set('error_log', $log_dir . '/errors');
}
}
/**
* Function to be executed in script shutdown
*/
public function shutdown()
{
parent::shutdown();
// cache garbage collector
$this->gc_run();
// write performance stats to logs/console
if ($this->config->get('devel_mode')) {
if (function_exists('memory_get_usage'))
$mem = sprintf('%.1f', memory_get_usage() / 1048576);
if (function_exists('memory_get_peak_usage'))
$mem .= '/' . sprintf('%.1f', memory_get_peak_usage() / 1048576);
$query = $_SERVER['QUERY_STRING'];
$log = $query . ($mem ? ($query ? ' ' : '') . "[$mem]" : '');
if (defined('KOLAB_SYNC_START'))
self::print_timer(KOLAB_SYNC_START, $log);
else
self::console($log);
}
}
}

File Metadata

Mime Type
text/x-php
Expires
Mon, Apr 6, 1:18 AM (1 d, 10 h)
Storage Engine
local-disk
Storage Format
Raw Data
Storage Handle
0d/80/c1bc17d674353a641447a4434bce
Default Alt Text
kolab_sync.php (14 KB)

Event Timeline