/**
* Constructor
*
* Initializes a TIP_User instance and performs the user authentication.
*
* Notice in this constructor no external modules can be called, because
* many of them (if not all) depend on TIP_User. So the eventual errors
* are stored in the $_constructor_error private property and processed
* in the postConstructor() method.
*
* @param array $options Properties values
*/
protected function __construct($options)
{
parent::__construct($options);
$this->keys['CID'] = null;
// Get user id and password from the TIP_User cookie
@(list($id, $password) = explode(',', TIP::getCookie('TIP_User', 'string'), 2));
if (is_null($id) || is_null($password)) {
// Anonymous access
return;
}
// Get user id and password from the data source: this view is
// never ended to keep the current user as default row
$view = $this->startDataView($this->data->rowFilter((int) $id));
if (is_null($view)) {
$this->_constructor_error = 'select';
return;
}
$this->_row =& $view->current();
if (is_null($this->_row)) {
// User id not found in the data source
$this->_constructor_error = 'notfound';
} elseif (crypt($this->_row['password'], $password) != $password) {
// Invalid password
$this->_constructor_error = 'denied';
}
}
