/// <summary>
/// Authorisation Code - Authorisation Code Flow
/// </summary>
/// <param name="clientId">Client Id</param>
/// <param name="clientSecret">Client Secret</param>
/// <param name="accessCode">Access Code</param>
/// <param name="cancellationToken">Cancellation Token</param>
/// <returns>Authentication Response</returns>
public Task <AuthenticationResponse> AuthorisationCodeAsync(
string clientId,
string clientSecret,
AccessCode accessCode,
CancellationToken cancellationToken)
{
var headers = GetHeaders(clientId, clientSecret);
var request = new Dictionary <string, string>()
{
{ grant_type, authorization_code },
{ code_value, accessCode.Code },
{ redirect_uri, accessCode.RedirectUri.ToString() }
};
return(PostRequestAsync <Dictionary <string, string>, AuthenticationResponse>(host_name,
token_uri, null, cancellationToken, request, null, headers, true));
}
/// <summary>
/// Get Authorisation Code Token - Authorisation Code Flow
/// </summary>
/// <param name="accessCode">Access Code</param>
/// <param name="cancellationToken">Cancellation Token</param>
/// <returns>Access Token</returns>
public async Task <AccessToken> GetAuthorisationCodeTokenAsync(
AccessCode accessCode,
CancellationToken cancellationToken)
{
var authenticationResponse =
await _client.AuthorisationCodeAsync(
_clientId,
_clientSecret,
accessCode,
cancellationToken);
if (authenticationResponse != null)
{
AccessToken = Map(TokenType.User,
authenticationResponse);
}
return(AccessToken);
}
/// <summary>
/// Get Access Code Auth - Authorisation Code 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="AuthCodeValueException">AuthCodeValueException</exception>
/// <exception cref="AuthCodeStateException">AuthCodeStateException</exception>
public async Task <AccessToken> GetAccessCodeAuthAsync(
Uri responseUri,
Uri redirectUri,
string state)
{
if (responseUri != null)
{
if (responseUri.ToString().Contains(redirectUri.ToString()))
{
if (_accessCode == null || _accessCode.ResponseUri != responseUri)
{
_accessCode = new AccessCode(
responseUri, redirectUri,
responseUri.Query.QueryStringAsDictionary());
if (state == null || _accessCode.State == state)
{
if (string.IsNullOrEmpty(_accessCode.Code))
{
throw new AuthCodeValueException();
}
else
{
return(await GetAuthorisationCodeTokenAsync(
_accessCode,
new CancellationToken(false)));
}
}
else
{
throw new AuthCodeStateException();
}
}
}
}
return(null);
}
