Medium, creating a login page, full login.

gistfile1.js

var doLogin = function(username, password, challenge) {

  var createLogin = function() {
    return Tony.create({username: username, password: password, challenge: challenge, request_uri: $location.host(), clientMac: $routeParams.mac}).$promise.then(function(res) {
      scope.username = res.username;
      scope.response = res.challengeResp;
    }, function(err) {
      // Fail Login
    });
  },
  coovaLogin = function() {
    return Coova.logon({uamip: $routeParams.uamip, uamport: $routeParams.uamport, username: scope.username, response: scope.response}).$promise.then(function(res) {
      console.log('Yes, you\' in!', res);
    });
  };

  createLogin().then(coovaLogin);
};