public void Authenticate(RestClient client, RestRequest request)
{
if (authFlow != AuthFlow.Obtained)
{
var restclient = new RestClient(GetHost(client.BaseUrl));
RestRequest authRequest = null;
switch (authFlow)
{
case AuthFlow.ObtainAccessTokenPending:
authRequest = GetAuthRequest("client_credentials")
.AddParameter("client_id", ClientId)
.AddParameter("client_secret", ClientSecret);
break;
case AuthFlow.RefreshAccessTokenPending:
authRequest = GetAuthRequest("refresh_token")
.AddParameter("refresh_token", authData?.RefreshToken);
break;
default:
throw new Exception($"Wrong OAuth2 flow");
}
var authResponse = restclient.Execute(authRequest);
authData = AuthData.Parse(authResponse.Content);
authFlow = AuthFlow.Obtained;
}
if (authData.HasError)
{
throw new Exception($"Authentication error: {authData.Error}", new Exception(authData.ErrorDescription));
}
request.AddHeader("Authorization", AuthorizationHeaderValue);
}
