login method

@override Future<SimpleUser> login(HttpConnect connect, String username, String password)

Authenticates the given username and password.

• The returned Future object shall carry the user object if successful.
• If failed, throw an instance of AuthenticationException:

• Future login(HttpConnect connect, String username, String password) async {
  

•   //...
  

•   if (failed)
  

•     throw new AuthenticationException("the cause");
  

•   return new User(username, roles); //any non-null object
  

• });
  

Implementation

@override
Future<SimpleUser> login(HttpConnect connect, String username, String password) async {
  final userInfo = _userInfos[username];
  if (userInfo != null && userInfo.password == password)
    return userInfo.user;
  throw new AuthenticationException("Incorrect username or password");
}