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How to SignIn with OAuth providers? Like Google, Facebook, etc...
I tried on my side, but doesn't found a solution to a problem, Supabase return the access_token in the fragment part of the URL... So I can't get it with a HttpListener for example.
Here the code (not a clean code):
using com.example;
using System;
using System.Threading.Tasks;
using Supabase.Gotrue;
using Supabase.Gotrue.Exceptions;
using TMPro;
using UnityEngine;
using static Supabase.Gotrue.Constants;
using System.Net;
public class SignInWithGoogle : MonoBehaviour
{
[SerializeField] private string redirectUrl = "http://localhost:3000/";
private string pkce;
// Public Unity References
public TMP_Text ErrorText = null!;
public SupabaseManager SupabaseManager = null!;
// Private implementation
private bool _doSignIn;
private bool _doSignOut;
// Unity does not allow async UI events, so we set a flag and use Update() to do the async work
public void SignIn()
{
_doSignIn = true;
}
// Unity does not allow async UI events, so we set a flag and use Update() to do the async work
public void SignOut()
{
_doSignOut = true;
}
private async void Update()
{
// Unity does not allow async UI events, so we set a flag and use Update() to do the async work
if (_doSignOut)
{
_doSignOut = false;
await SupabaseManager.Supabase()!.Auth.SignOut();
_doSignOut = false;
}
// Unity does not allow async UI events, so we set a flag and use Update() to do the async work
if (_doSignIn)
{
_doSignIn = false;
await PerformSignIn();
_doSignIn = false;
}
}
private void StartLocalWebserver()
{
HttpListener httpListener = new HttpListener();
httpListener.Prefixes.Add("http://*:3000/");
//httpListener.Prefixes.Add("http://127.0.0.1:3000/");
//httpListener.AuthenticationSchemes = AuthenticationSchemes.Anonymous;
httpListener.Start();
httpListener.BeginGetContext(new AsyncCallback(IncomingHttpRequest), httpListener);
}
private async void IncomingHttpRequest(IAsyncResult result)
{
Debug.Log("IncomingHttpRequest");
HttpListener httpListener;
HttpListenerContext httpContext;
HttpListenerRequest httpRequest;
HttpListenerResponse httpResponse;
string responseString;
// get back the reference to our http listener
httpListener = (HttpListener)result.AsyncState;
// fetch the context object
httpContext = httpListener.EndGetContext(result);
// the context object has the request object for us, that holds details about the incoming request
httpRequest = httpContext.Request;
var token = httpRequest.QueryString.Get("access_token");
// string accessToken = Regex.Match(responseBody, @"access_token=([^#]+)").Groups[1].Value;
Debug.Log("=====> " + httpRequest.Url.Fragment);
// build a response to send an "ok" back to the browser for the user to see
httpResponse = httpContext.Response;
responseString = "<html><body><b>DONE!</b><br>(You can close this tab/window now)</body></html>";
byte[] buffer = System.Text.Encoding.UTF8.GetBytes(responseString);
// send the output to the client browser
httpResponse.ContentLength64 = buffer.Length;
System.IO.Stream output = httpResponse.OutputStream;
output.Write(buffer, 0, buffer.Length);
output.Close();
try
{
Debug.Log("pkce: " + pkce);
Debug.Log("Token: " + token);
Session session = (await SupabaseManager.Supabase()!.Auth.ExchangeCodeForSession(pkce, token)!);
ErrorText.text = $"Success! Signed Up as {session.User?.Email}";
}
catch (GotrueException goTrueException)
{
ErrorText.text = $"{goTrueException.Reason} {goTrueException.Message}";
Debug.Log(goTrueException.Message, gameObject);
Debug.LogException(goTrueException, gameObject);
}
catch (Exception e)
{
Debug.Log(e.Message, gameObject);
Debug.Log(e, gameObject);
}
httpListener.Stop();
}
// This is where we do the async work and handle exceptions
private async Task PerformSignIn()
{
try
{
var providerAuth = (await SupabaseManager.Supabase()!.Auth.SignIn(Provider.Google))!;
var signInUrl = providerAuth.Uri.ToString();
pkce = providerAuth.PKCEVerifier;
Debug.Log("Destination host: " + signInUrl);
StartLocalWebserver();
Application.OpenURL(signInUrl);
}
catch (GotrueException goTrueException)
{
ErrorText.text = $"{goTrueException.Reason} {goTrueException.Message}";
Debug.Log(goTrueException.Message, gameObject);
Debug.LogException(goTrueException, gameObject);
}
catch (Exception e)
{
Debug.Log(e.Message, gameObject);
Debug.Log(e, gameObject);
}
}
}And so, token is empty, also Debug.Log("=====> " + httpRequest.Url.Fragment);.
Any idea?
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