Remove unused external logins classes

Author: mvelosop

src/Services/Identity/Identity.API/Controllers/AccountController.cs

@@ -20,7 +20,7 @@
 namespace Microsoft.eShopOnContainers.Services.Identity.API.Controllers
 {
     /// <summary>
-    /// This sample controller implements a typical login/logout/provision workflow for local and external accounts.
+    /// This sample controller implements a typical login/logout/provision workflow for local accounts.
     /// The login service encapsulates the interactions with the user data store. This data store is in-memory only and cannot be used for production!
     /// The interaction service provides a way for the UI to communicate with identityserver for validation and context retrieval
     /// </summary>
@@ -58,8 +58,7 @@ public async Task<IActionResult> Login(string returnUrl)
             var context = await _interaction.GetAuthorizationContextAsync(returnUrl);
             if (context?.IdP != null)
             {
-                // if IdP is passed, then bypass showing the login screen
-                return ExternalLogin(context.IdP, returnUrl);
+                throw new NotImplementedException("External login is not implemented!");
             }
 
             var vm = await BuildLoginViewModelAsync(returnUrl, context);
@@ -209,7 +208,7 @@ public async Task<IActionResult> Logout(LogoutViewModel model)
                 }
                 catch (Exception ex)
                 {
-                    _logger.LogCritical(ex.Message);
+                    _logger.LogError(ex, "LOGOUT ERROR: {ExceptionMessage}", ex.Message);
                 }
             }
 
@@ -238,28 +237,6 @@ public async Task<IActionResult> DeviceLogOut(string redirectUrl)
             return Redirect(redirectUrl);
         }
 
-        /// <summary>
-        /// initiate roundtrip to external authentication provider
-        /// </summary>
-        [HttpGet]
-        public IActionResult ExternalLogin(string provider, string returnUrl)
-        {
-            if (returnUrl != null)
-            {
-                returnUrl = UrlEncoder.Default.Encode(returnUrl);
-            }
-            returnUrl = "/account/externallogincallback?returnUrl=" + returnUrl;
-
-            // start challenge and roundtrip the return URL
-            var props = new AuthenticationProperties
-            {
-                RedirectUri = returnUrl,
-                Items = { { "scheme", provider } }
-            };
-            return new ChallengeResult(provider, props);
-        }
-
-
         // GET: /Account/Register
         [HttpGet]
         [AllowAnonymous]

src/Services/Identity/Identity.API/Models/AccountViewModels/ExternalLoginConfirmationViewModel.cs

@@ -16,7 +16,7 @@ public class AccountController : Controller
         public async Task<IActionResult> SignIn(string returnUrl)
         {
             var user = User as ClaimsPrincipal;
-            
+
             var token = await HttpContext.GetTokenAsync("access_token");
 
             if (token != null)
@@ -33,11 +33,11 @@ public async Task<IActionResult> Signout()
         {
             await HttpContext.SignOutAsync(CookieAuthenticationDefaults.AuthenticationScheme);
             await HttpContext.SignOutAsync(OpenIdConnectDefaults.AuthenticationScheme);
-            
+
             // "Catalog" because UrlHelper doesn't support nameof() for controllers
             // https://github.com/aspnet/Mvc/issues/5853
             var homeUrl = Url.Action(nameof(CatalogController.Index), "Catalog");
-            return new SignOutResult(OpenIdConnectDefaults.AuthenticationScheme, 
+            return new SignOutResult(OpenIdConnectDefaults.AuthenticationScheme,
                 new AspNetCore.Authentication.AuthenticationProperties { RedirectUri = homeUrl });
         }
     }