/// <summary>
/// Takes username and hashed password
/// returns new Session for user
/// </summary>
/// <param name="username">username for user to log in</param>
/// <param name="password">hashed password for user</param>
/// <returns>User session</returns>
public Session authenticate(string username, string password)
{
string message = "";
AccountRegistry accountRegistryInstance = AccountRegistry.Instance;
User user = findUser(accountRegistryInstance, username);
if (user != null)
{
if (user.validatePassword(password, ref message))
{
return(new Session(user));
}
}
if (message == "")
{
message = "Username or password incorrect";
}
return(new Session(null, message));
}
/// <summary>
/// return user with username from accountRegistry
/// </summary>
/// <param name="accountRegistry">Account registry instance</param>
/// <param name="username">username to search for</param>
/// <returns>User in account registry with given username</returns>
public User findUser(AccountRegistry accountRegistry, string username)
{
return(accountRegistry.users.Find(x => x.getUsername().CompareTo(username) == 0));
}
