root .'config.php';
class Utils {
private static $_instance = null;
private $server;
private $user;
private $is_admin;
private $loginStatus;
private $header = '
__TITLE__
';
private $footer = '';
private $heading = 'Session timeout:
__TITLE__
';
private function __construct() {
global $CFG;
$this->server = $_SERVER;
$this->user = null;
$this->is_admin = false;
$this->loginStatus = 'Not logged in';
$this->startSession();
if (isset($_SESSION['user'])) {
$this->user = $_SESSION['user'];
$this->loginStatus = 'OK';
$this->is_admin = $_SESSION['is_admin'];
} else {
if ($CFG->auth_method == 'HTTP_AUTH') {
if (isset($this->server['PHP_AUTH_USER'])) {
$this->user = $this->server['PHP_AUTH_USER'];
$this->loginStatus = 'OK';
if ($CFG->admin_user == $this->user)
$this->is_admin = true;
}
}
}
$_SESSION['user'] = $this->user;
$_SESSION['is_admin'] = $this->is_admin;
}
private function __clone() {}
private function startSession() {
global $CFG;
if (isset($CFG->session_timeout)) {
$timeout = $CFG->session_timeout * 60;
} else {
$timeout = 20 * 60;
}
if (ini_get('session.gc_maxlifetime') != $timeout)
ini_set('session.gc_maxlifetime', $timeout);
if (ini_get('session.cookie_lifetime') != $timeout)
ini_set('session.cookie_lifetime', $timeout);
session_start();
$time = $_SERVER['REQUEST_TIME'];
if (isset($_SESSION['LAST_ACTIVITY']) && ($time - $_SESSION['LAST_ACTIVITY']) >= $timeout) {
session_unset();
session_destroy();
self::$_instance->user = null;
self::$_instance->is_admin = false;
} else {
$_SESSION['LAST_ACTIVITY'] = $time;
}
}
public static function getInstance() {
if (!is_object(self::$_instance)) {
self::$_instance = new Utils();
}
return self::$_instance;
}
public function logout() {
$_SESSION = array();
if (ini_get('session.use_cookies')) {
$params = session_get_cookie_params();
setcookie(session_name(), '', time() - 42000,
$params['path'], $params['domain'],
$params['secure'], $params['httponly']);
}
session_unset();
session_destroy();
$this->user = null;
$this->is_admin = false;
}
public function isAdmin() {
//file_put_contents('/tmp/login.txt', var_export($this, true));
return $this->is_admin;
}
public function login($user, $pw) {
global $CFG;
$result = false;
unset($_SESSION['user']);
unset($_SESSION['is_admin']);
$this->user = null;
$this->is_admin = false;
$p = explode('@', $user);
if (count($p) != 2) {
$this->loginStatus = 'Bad username';
return false;
}
$domain = $p[1];
$dn = "mail=$user,ou=Users,domainName=$domain,$CFG->ldap_base_dn";
$filter = "(&(objectclass=mailUser)(accountStatus=active)(mail=$user))";
$ds = @ldap_connect($CFG->ldap_dsn);
if ($ds) {
@ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
$r = @ldap_bind($ds, $dn, $pw);
if ($r) {
$sr = @ldap_search($ds, $CFG->ldap_base_dn, $filter, array('mail','domainglobaladmin'));
$info = @ldap_get_entries($ds, $sr); // array
if ($info['count'] > 0) {
$_SESSION['user'] = $user;
$this->user = $user;
$result = true;
$this->loginStatus = 'OK';
$admin = 'NO';
if (isset($info[0]['domainglobaladmin'])) {
$admin = $info[0]['domainglobaladmin'][0];
$admin = strtoupper($admin);
}
$this->is_admin = ($admin == 'YES') ? true : false;
$_SESSION['is_admin'] = $this->is_admin;
} else {
$this->loginStatus = 'Login failed';
}
} else {
$this->loginStatus = ldap_error($ds);
}
@ldap_close($ds);
} else {
$this->loginStatus = 'Connect to LDAP server failed';
}
return $result;
}
public function getLoginStatus() {
return $this->loginStatus;
}
public function isLoggedIn() {
global $CFG;
$loggedIn = false;
if ($this->user) {
$loggedIn = true;
} else if (isset($_SESSION['user'])) {
$this->user = $_SESSION['user'];
$loggedIn = true;
} else {
if ($CFG->auth_method == 'HTTP_AUTH') {
if (isset($this->server['PHP_AUTH_USER'])) {
$this->user = $this->server['PHP_AUTH_USER'];
$loggedIn = true;
}
}
}
return $loggedIn;
}
public function getUser() {
$this->isLoggedIn();
return $this->user;
}
public function getHeader() {
return $this->header;
}
public function getFooter() {
return $this->footer;
}
public function getHeading() {
return $this->heading;
}
public function setHeading($heading) {
global $CFG;
$timeout = $CFG->session_timeout * 60 * 1000;
$this->heading = str_replace('__TITLE__', $heading, $this->heading);
$this->header = str_replace('__TITLE__', $heading, $this->header);
$this->header = str_replace('__ROOT__', $CFG->wwwroot, $this->header);
$this->header = str_replace('__TIMEOUT__', $timeout, $this->header);
}
public function convertContent($code) {
$table = array(
'V' => 'Virus',
'B' => 'Banned',
'U' => 'Unchecked',
'S' => 'Spam',
'Y' => 'Spammy',
'M' => 'Bad Mime',
'H' => 'Bad Header',
'O' => 'Over sized',
'T' => 'MTA err',
'C' => 'Clean'
);
$string = $table[$code];
if (empty($string))
$string = 'Unknown';
return $string;
}
}