use official discord button and disable other not yet approved extern…

…al login providers

Kemkas.Web/Areas/Identity/Pages/Account/Login.cshtml

@@ -65,7 +65,8 @@
                     <form id="external-account" asp-page="./ExternalLogin" asp-route-returnUrl="@Model.ReturnUrl" method="post" class="form-horizontal">
                         <div>
                             <p>
-                                @foreach (var provider in Model.ExternalLogins!)
+                                <button type="submit" class="btn" name="provider" value="Discord" title="Log in using your Discord account"><img height="24px" alt="Discord" src="/img/discord-logo-blue.svg" /></button>
+                                @foreach (var provider in Model.ExternalLogins!.Where(el => el.Name != "Discord"))
                                 {
                                     <button type="submit" class="btn btn-primary" name="provider" value="@provider.Name" title="Log in using your @provider.DisplayName account">@provider.DisplayName</button>
                                 }

Kemkas.Web/Areas/Identity/Pages/Account/Login.cshtml.cs

@@ -22,11 +22,13 @@ public class LoginModel : PageModel
     {
         private readonly SignInManager<ApplicationUser> _signInManager;
         private readonly ILogger<LoginModel> _logger;
+        private readonly IWebHostEnvironment _environment;
 
-        public LoginModel(SignInManager<ApplicationUser> signInManager, ILogger<LoginModel> logger)
+        public LoginModel(SignInManager<ApplicationUser> signInManager, ILogger<LoginModel> logger, IWebHostEnvironment environment)
         {
             _signInManager = signInManager;
             _logger = logger;
+            _environment = environment;
         }
 
         /// <summary>
@@ -98,6 +100,12 @@ public async Task OnGetAsync(string returnUrl = null)
             await HttpContext.SignOutAsync(IdentityConstants.ExternalScheme);
 
             ExternalLogins = (await _signInManager.GetExternalAuthenticationSchemesAsync()).ToList();
+
+            // Disable not yet approved external login providers in production 
+            if (!_environment.IsDevelopment())
+            {
+                ExternalLogins = ExternalLogins.Where(el => el.Name == "Discord").ToList();
+            }
 
             ReturnUrl = returnUrl;
         }

Kemkas.Web/nginx.conf

@@ -91,5 +91,9 @@ http {
             proxy_pass   https://backend;
             proxy_pass_request_headers on;
         }
+        location /img/ {
+            proxy_pass   https://backend;
+            proxy_pass_request_headers on;
+        }
     }
 }