Added a warning if javascript is disabled on login/signin pages

Duplicati/Server/webroot/login.html

@@ -39,12 +39,18 @@
           <p><input type="submit" id="login-button" value="Sign In" /></p>
         </fieldset>
       </form>
-      <a
-        href="https://docs.duplicati.com/detailed-descriptions/duplicati-access-password"
-        target="_blank"
-        class="helplink"
-        >Password missing or lost?</a
-      >
+      <div>
+        <a
+          href="https://docs.duplicati.com/detailed-descriptions/duplicati-access-password"
+          target="_blank"
+          class="helplink"
+          >Password missing or lost?</a
+        >
+      </div>
+      <div id="no-js-warning" class="nojs">
+        You need Javascript enabled to use this page, or copy in the token from
+        the URL
+      </div>
     </div>
   </body>
 </html>

Duplicati/Server/webroot/login/login.css

@@ -83,3 +83,18 @@ input {
     margin-left: 16px;
     color: #777;
 }
+
+#login div.nojs {
+    margin-top: 16px;
+    margin-left: 16px;
+    color: red;
+    opacity: 0;
+    animation: showafter2s 0s forwards;
+    animation-delay: 2s;
+}
+
+@keyframes showafter2s {
+    to {
+        opacity: 1;
+    }
+}

Duplicati/Server/webroot/login/login.js

@@ -1,5 +1,7 @@
 $(document).ready(function() {
     var processing = false;
+    
+    document.getElementById('no-js-warning').style.display = 'none';
 
     $('#login-form').on('submit', function() {
 

Duplicati/Server/webroot/signin.html

@@ -29,12 +29,18 @@
           <p><input type="submit" id="login-button" value="Sign In" /></p>
         </fieldset>
       </form>
-      <a
-        href="https://docs.duplicati.com/detailed-descriptions/duplicati-access-password#temporary-signin-token"
-        target="_blank"
-        class="helplink"
-        >Need help locating the signin token?</a
-      >
+      <div>
+        <a
+          href="https://docs.duplicati.com/detailed-descriptions/duplicati-access-password#temporary-signin-token"
+          target="_blank"
+          class="helplink"
+          >Need help locating the signin token?</a
+        >
+      </div>
+      <div id="no-js-warning" class="nojs">
+        You need Javascript enabled to use this page, or copy in the token from
+        the URL
+      </div>
     </div>
   </body>
 </html>

Duplicati/Server/webroot/signin/signin.css

@@ -82,4 +82,18 @@ input {
     margin-top: 16px;
     margin-left: 16px;
     color: #777;
+}
+#signin div.nojs {
+    margin-top: 16px;
+    margin-left: 16px;
+    color: red;
+    opacity: 0;
+    animation: showafter2s 0s forwards;
+    animation-delay: 2s;
+}
+
+@keyframes showafter2s {
+    to {
+        opacity: 1;
+    }
 }

Duplicati/Server/webroot/signin/signin.js

@@ -1,5 +1,7 @@
 $(document).ready(function() {
     var processing = false;
+
+    document.getElementById('no-js-warning').style.display = 'none';
     
     function getQueryParam(name) {
         var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"), results = regex.exec(location.search);