From Solution Explorer, navigate to the /Controllers/ folder; then, open the TokenController.cs file and add the following action method:
[HttpPost("Facebook")]public async Task<IActionResult> Facebook([FromBody]ExternalLoginRequestViewModel model){ try { var fbAPI_url = "https://graph.facebook.com/v2.10/"; var fbAPI_queryString = String.Format( "me?scope=email&access_token={0}&fields=id,name,email", model.access_token); string result = null; // fetch the user info from Facebook Graph v2.10 using (var c = new HttpClient()) { c.BaseAddress = new Uri(fbAPI_url); var response = await c .GetAsync(fbAPI_queryString); if (response.IsSuccessStatusCode) { result = await response.Content.ReadAsStringAsync(); } else throw ...
