function cas_server_login in CAS 7

Same name and namespace in other branches

1. 5.4 cas_server.module \cas_server_login()
2. 5.3 cas_server.module \cas_server_login()
3. 6.3 cas_server.module \cas_server_login()
4. 6.2 cas_server.module \cas_server_login()

Handle login

1 string reference to 'cas_server_login'

cas_server_menu in ./cas_server.module

Implementation of hook_menu

File

./cas_server.module, line 138

Provides a protocol compliant version of CAS server 2.x

Code

function cas_server_login() {

  // Set login cookie so that we know we're in the process of logging in
  global $user;
  $output = '';
  $whitelist_error_msg = variable_get('cas_server_whitelist_failure', t('You do not have permission to login to CAS from this service.'));
  $service = isset($_REQUEST['service']) ? $_REQUEST['service'] : '';
  $gateway = isset($_REQUEST['gateway']);
  if ($user->uid) {
    if ($service) {

      // Check service against whitelist
      if (!_cas_server_check_service_whitelist($service)) {
        return $whitelist_error_msg;
      }
      else {
        $_COOKIE[CAS_LOGIN_COOKIE] = $service;
      }
    }
    $output = t('You have successfully logged into CAS');
    cas_server_service_return();
  }
  else {
    if ($gateway && $service) {
      drupal_goto($service);
    }
    else {

      // Redirect to user login
      if ($service) {

        // Check service against whitelist
        if (!_cas_server_check_service_whitelist($service)) {
          return $whitelist_error_msg;
        }
        else {
          setcookie(CAS_LOGIN_COOKIE, $service);
        }
      }
      $output .= l(t('Login'), 'user', array(
        'query' => array(
          'destination' => 'cas/login',
        ),
      ));
      drupal_goto('user/login', array(
        'query' => array(
          'destination' => 'cas/login',
        ),
      ));
    }
  }
  return $output;
}