private async Task <string> GetOAuthParameterFromHandlerAsync(OAuthMessageHandler handler, HttpRequestMessage request, string requestedParameter)
{
var testHandler = new TestHttpMessageHandler();
handler.InnerHandler = testHandler;
using (var httpClient = new HttpClient(handler, disposeHandler: false))
{
await httpClient.SendAsync(request);
}
var request2 = testHandler.SentMessages.Single();
var authHeaderParameter = request.Headers.Authorization.Parameter;
// extract the parameter
string[] elems = authHeaderParameter.Split(',');
return(elems.SingleOrDefault(x => x.StartsWith($"{requestedParameter}="))?.Split('=')[1]);
}
private async Task <string> GetOAuthParameterFromHandlerAsync(OAuthMessageHandler handler, HttpRequestMessage request, string requestedParameter)
{
var testHandler = new TestHttpMessageHandler();
handler.InnerHandler = testHandler;
using (var httpClient = new HttpClient(handler, disposeHandler: false))
{
await httpClient.SendAsync(request);
}
var request2 = testHandler.SentMessages.Single();
var authHeaderParameter = request.Headers.Authorization.Parameter;
// extract the parameter
string[] elems = authHeaderParameter.Split(',');
string parameter = elems.SingleOrDefault(x => x.StartsWith($"{requestedParameter}="))?.Split('=')[1];
// we might not have the parameter here.
if (parameter == null)
{
return(null);
}
// we are now ensuring that the parameters are contained within double quotes.
Assert.Equal('"', parameter[0]);
Assert.Equal('"', parameter[parameter.Length - 1]);
// if we only have 2 characters, they are both double quotes, so return empty string
if (parameter.Length == 2)
{
return(string.Empty);
}
// for the purposes of the test, extract the double quotes
return(parameter.Substring(1, parameter.Length - 2));
}