/// <summary>
/// Create implicit flow url.
/// </summary>
/// <param name="clientId">The client id.</param>
/// <param name="scopes">The scopes for this request.</param>
/// <param name="redirectUri">The redirect url.</param>
/// <param name="state">The state.</param>
/// <param name="nonce">The nonce.</param>
/// <param name="loginHint">The login hint.</param>
/// <param name="acrValues">The acr values (idp:Google b c).</param>
/// <param name="additionalValues">Additional values.</param>
/// <returns>The implicit flow URL.</returns>
public string CreateImplicitFlowUrl(
string clientId,
string[] scopes = null,
string redirectUri = null,
string state = "random_state",
string nonce = "random_nonce",
string loginHint = null,
string acrValues = null,
Dictionary <string, string> additionalValues = null)
{
// Create a request.
var request = new OAuth2Client(new Uri(_baseAddress.TrimEnd('/') + "/" + _authorizeEndpoint.Trim('/')));
return(request.CreateImplicitFlowUrl(clientId, (scopes == null ? null : String.Join(" ", scopes)),
redirectUri, state, nonce, loginHint, acrValues, additionalValues));
}
public async static Task <AuthorizeResponse> DoImplicitFlowAsync(Uri endpoint, string clientId, string scope, Uri callbackUri)
{
var client = new OAuth2Client(endpoint);
var startUri = client.CreateImplicitFlowUrl(
clientId,
scope,
callbackUri.AbsoluteUri);
try
{
var result = await WebAuthenticationBroker.AuthenticateAsync(
WebAuthenticationOptions.None,
new Uri(startUri));
if (result.ResponseStatus == WebAuthenticationStatus.Success)
{
return(new AuthorizeResponse(result.ResponseData));
}
else if (result.ResponseStatus == WebAuthenticationStatus.UserCancel)
{
throw new Exception("User cancelled authentication");
}
else if (result.ResponseStatus == WebAuthenticationStatus.ErrorHttp)
{
throw new Exception("HTTP Error returned by AuthenticateAsync() : " + result.ResponseErrorDetail.ToString());
}
else
{
throw new Exception("Error returned by AuthenticateAsync() : " + result.ResponseStatus.ToString());
}
}
catch
{
// Bad Parameter, SSL/TLS Errors and Network Unavailable errors are to be handled here.
throw;
}
}