/// <summary>
/// Refreshes the user token of a user, effectively forcing them to login again.
/// </summary>
/// <param name="username">The user to refresh the token of</param>
internal bool RefreshToken(string username)
{
int userID = GetID(username);
if (userID == 0)
{
return(false);
}
DateTime expiry = UserToken.GetExpiration();
string token = UserToken.GenerateToken();
storeUserToken(userID, expiry, token);
return(true);
}
/// <summary>
/// Attemts to register a new user or authenticate an existing user with the given credentials
/// </summary>
/// <param name="credentials">User credentials to authenticate</param>
/// <param name="register">True if registering a new user, false otherwise</param>
/// <returns>UserToken if successful, null otherwise</returns>
internal UserToken Authenticate(Credentials credentials, bool register)
{
int userID;
if (register)
{
// Register a new user
if (createUser(credentials.username, credentials.GenerateHash()))
{
userID = GetID(credentials.username); // User was created
}
else
{
return(null); // User was not created
}
}
else
{
userID = GetID(credentials.username);
if (userID == 0)
{
return(null);
}
string hash = getUserHash(userID);
if (hash != null && !credentials.Verify(hash))
{
return(null); // Credentials were invalid
}
}
// Generate a new authentication token.
DateTime expiry = UserToken.GetExpiration();
string token = UserToken.GenerateToken();
storeUserToken(userID, expiry, token);
return(new UserToken(credentials.username, expiry, token));
}
