BREAKING: New Login Behavior for UIv2

Before merging this, make sure the Action Library is released and published to NuGet with version 3.0.0. The relevant merge request is to be found HERE.

src/STS/Controllers/HomeController.cs

 using System;
 using System.Security.Claims;
 using Microsoft.AspNetCore.Mvc;
-using Microsoft.AspNetCore.Http.Features;
-using Microsoft.AspNetCore.Http;
 using Coscine.Api.STS.Utils;
 using Coscine.ApiCommons;
 using Coscine.Database.Models;
 using System.Linq;
 using Coscine.ActiveDirectory;
 using System.Net.Http;
-using System.Web;
-using Newtonsoft.Json;
-using System.Text;
+using System.Collections.Generic;
+using Coscine.JwtHandler;
 
 namespace Coscine.Api.STS.Controllers
 {
     public class HomeController : Controller
     {
-        private static HttpClient _httpClient = new HttpClient();
+        private static readonly HttpClient _httpClient = new();
 
-        public const string Action = "wa";
-        public const string SignInString = "wsignin1.0";
-        public const string SignOutString = "wsignout1.0";
-        
-        //[Authorize]
         [Route("/")]
         public ActionResult Index()
         {
             if (User.Identity.IsAuthenticated)
             {
-                var res = Request.Query[Action];
-                if (res.Count > 0)
-                {
-                    var action = Request.Query[Action][0];
-
-                    if (action == SignInString)
-                    {
-                        var userIdString = User.Identity.Name;
-                        var userId = new Guid(userIdString);
+                var userIdString = User.Identity.Name;
+                var userId = new Guid(userIdString);
 
-                        if (Request.Cookies.ContainsKey(MergeController.MERGETOKENKEY))
-                        {
-                            string mergeCallbackUrl = UrlGenerator.MergeCallbackRedirectUrl();
-                            return Redirect(mergeCallbackUrl);
-                        }
+                if (Request.Cookies.ContainsKey(MergeController.MERGETOKENKEY))
+                {
+                    string mergeCallbackUrl = UrlGenerator.MergeCallbackRedirectUrl();
+                    return Redirect(mergeCallbackUrl);
+                }
                         
-                        if (!AreTOSAccepted(userId))
-                        {
-                            string tosUrl = UrlGenerator.GetTOSUrl(Request, userIdString);
-                            return Redirect(tosUrl);
-                        }
+                if (!AreTOSAccepted(userId))
+                {
+                    string tosUrl = UrlGenerator.GetTOSUrl(Request, userIdString);
+                    return Redirect(tosUrl);
+                }
 
-                        var reqFeature = HttpContext.Features.Get<IHttpRequestFeature>();
-                        var rawTarget = reqFeature.RawTarget;
-                        var formData = ProcessSignIn(new Uri(Program.MainUrl + rawTarget), User);
-                        return new ContentResult() { Content = formData, ContentType = "text/html" };
-                    }
+                ProcessSignIn(User);
+
+                var redirects = Request.Query["redirect"];
+                if (redirects.Count > 0)
+                {
+                    ViewBag.Redirect = redirects[0];
                 }
+                else
+                {
+                    ViewBag.Redirect = "/";
+                }
+
+                var dictionary = new Dictionary<string, string>
+                {
+                    { "UserId", userId.ToString() }
+                };
+                var jwtHandler = new JWTHandler(Program.Configuration);
+                ViewBag.Token = jwtHandler.GenerateJwtToken(dictionary);
+
+                // STS Exit Point
+                return View();
             }
             string loginUrl = UrlGenerator.GetLoginUrl(Request);
             return Redirect(loginUrl);
@@ -71,41 +71,12 @@ namespace Coscine.Api.STS.Controllers
                 && tosAcceptedList.Any((entry) => entry.Version == currentTos);
         }
 
-        private string ProcessSignIn(Uri url, ClaimsPrincipal user)
+        private void ProcessSignIn(ClaimsPrincipal user)
         {
             var userModel = new UserModel();
             var realUser = userModel.GetById(Guid.Parse(user.Identity.Name));
 
             ADHandler.AddUser(realUser, Program.Configuration);
-
-            var userObject = new
-            {
-                realUser.DisplayName,
-                realUser.Id,
-                realUser.EmailAddress
-            };
-
-            var signInInstance = new
-            {
-                User = new
-                {
-                    Claims = user.Claims,
-                    Identities = user.Identities,
-                    Identitiy = user.Identity
-                },
-                UserObject = userObject
-            };
-
-            var uri = $"http://localhost:{Program.Configuration.GetStringAndWait("coscine/apis/Coscine.Api.LegacySTS/port")}/sts/processSignIn/{HttpUtility.UrlEncode(url.ToString())}/{HttpUtility.UrlEncode(Request.Host.Value)}";
-            var content = new StringContent(JsonConvert.SerializeObject(signInInstance, Formatting.Indented,
-                new JsonSerializerSettings
-                {
-                    ReferenceLoopHandling = ReferenceLoopHandling.Ignore
-                }), 
-                Encoding.UTF8, "application/json");
-            var result = _httpClient.PostAsync(uri, content).Result;
-
-            return result.Content.ReadAsStringAsync().Result;
         }
     }
 }