/**
* KG and PA
* Log the user in and display the correct homepage
* This function is called when the login button is pressed.
*
* First it checks the eneered username and password to determine
* whether the inputs could be considered valid (long enough username and password,
* only alpha-numeric characters, etc...)
* If not, it informs the user and stops executing
*
* Then it queries the matrix user database to determine if the user is actually
* in the database. If the user was found, it verifies their password with LDAP
*
* If the username/password combination was correct, the function queries the user database
* to determine whether to display the student or faculty page. Otherwise,
* take the user back to the login screen and inform them of error.
*/
public function processAction()
{
$request = $this->getRequest();
// Check if we have a POST request
if (!$request->isPost()) {
return $this->_helper->redirector('login_start');
}
// Get our form and validate it
$form = $this->getForm();
// Validate username and password for matching criteria
if (!$form->isValid($request->getPost()))
{
// Redirect to the login page and set error flag
$this->_redirect('/index/index/error_flag/TRUE');
exit();
}
//Get username and password
$username = $form->getValue('username');
$password = $form->getValue('password');
//check whether user exists in the user table
$userService = new App_UserService();
$valid = $userService->ValidUser($username);
//If the user exists, validate password with LDAP
if($valid)
{
$auth = Zend_Auth::getInstance();
$authAdapter = new Zend_Auth_Adapter_Ldap(
array(
'server' => array(
'host' => 'ldap.nccnet.noctrl.edu',
'baseDn' => 'OU=Napvil,O=NCC',
'bindRequiresDn' => true,
),
), $username, $password
);
$authResult = $auth->authenticate($authAdapter);
if ($authResult->isValid())
{
$valid = TRUE;
}
else
{
$valid = FALSE;
}
}
if ($valid)
{
$this->view->error_flag = FALSE;
$userRole = $userService->GetUserRole($username);
if ($userRole == 'U' || $userRole == 'L' || $userRole == 'G')
//user is a student
{
$this->_helper->redirector('index', 'student');
}
else
//user is faculty
{
$this->_helper->redirector('index', 'faculty');
}
}
else
{
// Redirect to the login page and set error flag
$this->_redirect('/index/index/error_flag/TRUE');
exit();
}
}
