public AuthModule(ITwitterAuthenticatedClient twitterApi, ITwitterUserTracker userTracker)
: base("/auth")
{
this.Get["/signin", true] = async(_, __) =>
{
var callbackurl = new UriBuilder(
Request.Url.Scheme,
Request.Url.HostName,
Request.Url.Port ?? 80,
"/auth/callback");
ViewBag.AuthUrl = await twitterApi.GetAuthorizationUri(callbackurl.ToString());
return(View["SignIn"]);
};
this.Get["/callback", true] = async(_, __) =>
{
await twitterApi.Authenticate((string)Request.Query.oauth_token, (string)Request.Query.oauth_verifier);
Guid sessionId = Guid.NewGuid();
userTracker.Register(sessionId, twitterApi);
return(this.LoginAndRedirect(sessionId));
};
}
private async Task Authenticate(ITwitterAuthenticatedClient client)
{
// shared mutable state - won't be able to run tests in parallel
HorribleOAuthHacks.Reset();
var uri = await client.GetAuthorizationUri(string.Concat(OAuthInterceptorUri, "/", HorribleOAuthHacks.OAuthCallBack));
//requires user interaction to authorize the app - brittle
Process.Start(uri.ToString());
//wait until the user has completed the oauth flow - might time out or hang
await Wait.Until(() => HorribleOAuthHacks.IsOAuthSigninCompleted);
//authenticate the service
await client.Authenticate(HorribleOAuthHacks.OAuthToken, HorribleOAuthHacks.OAuthVerifier);
}
public void Register(Guid id, ITwitterAuthenticatedClient twitterApi)
{
if (id == default(Guid))
{
throw new ArgumentOutOfRangeException(nameof(id), "id must be initialized.");
}
if (twitterApi == null)
{
throw new ArgumentNullException(nameof(twitterApi));
}
if (!twitterApi.UserId.HasValue)
{
throw new InvalidOperationException("Cannot register an anauthorized Twitter Client");
}
this.sessionUserIdMap.TryAdd(id, twitterApi.UserId.Value);
this.userClientMap.TryAdd(twitterApi.UserId.Value, twitterApi);
}
