/// <summary>
/// Get Implicit Grant Auth - Implicit Grant Flow
/// </summary>
/// <param name="responseUri">Response Uri</param>
/// <param name="redirectUri">Redirect Uri</param>
/// <param name="state">State Value</param>
/// <returns>Access Token</returns>
/// <exception cref="AuthTokenValueException">AuthTokenValueException</exception>
/// <exception cref="AuthTokenStateException">AuthTokenStateException</exception>
public AccessToken GetImplicitGrantAuth(
Uri responseUri,
Uri redirectUri,
string state)
{
if (responseUri != null)
{
if (responseUri.ToString().Contains(redirectUri.ToString()))
{
if (_implicitGrant == null || _implicitGrant.ResponseUri != responseUri)
{
_implicitGrant = new ImplicitGrant(
responseUri, redirectUri,
responseUri.Fragment.TrimStart('#').QueryStringAsDictionary());
if (state == null || _implicitGrant.State == state)
{
if (string.IsNullOrEmpty(_implicitGrant.AccessToken))
{
throw new AuthTokenValueException();
}
else
{
return(Map(_implicitGrant));
}
}
else
{
throw new AuthTokenStateException();
}
}
}
}
return(null);
}
/// <summary>
/// Map
/// </summary>
/// <param name="response">ImplicitGrant</param>
/// <returns>Access Token</returns>
private AccessToken Map(ImplicitGrant response) =>
new AccessToken
{
TokenType = TokenType.User,
Token = response.AccessToken,
Expiration = DateTime.UtcNow.Add(
TimeSpan.FromSeconds(Convert.ToDouble(
response.ExpiresIn)))
};
