/**
* Attempt to authenticate the current user.
*
* @return object User object if successful, PEAR_Error otherwise.
* @access public
*/
public function authenticate()
{
$username = $_POST['username'];
$password = $_POST['password'];
if ($username == '' || $password == '') {
$user = new PEAR_Error('authentication_error_blank');
} else {
$user = new User();
$user->username = (isset($configArray['Site']['institution']) ? $configArray['Site']['institution'] . ':' : '') . $username;
$user->password = $password;
if (!$user->find(true)) {
$user = new PEAR_Error('authentication_error_invalid');
} else {
$user->authMethod = 'Database';
$user->last_login = date('Y-m-d H:i:s');
$user->update();
}
}
return $user;
}
