Added cookie test of login page

scripts/pi-hole/js/footer.js

@@ -204,3 +204,24 @@ $(document).keypress(function(e) {
 		$("#loginform").submit();
 	}
 });
+
+function testCookies()
+{
+    if (navigator.cookieEnabled) return true;
+
+    // set and read cookie
+    document.cookie = "cookietest=1";
+    var ret = document.cookie.indexOf("cookietest=") != -1;
+
+    // delete cookie
+    document.cookie = "cookietest=1; expires=Thu, 01-Jan-1970 00:00:01 GMT";
+
+    return ret;
+}
+
+$(function() {
+    if(!testCookies() && $("#cookieInfo").length)
+    {
+        $("#cookieInfo").show();
+    }
+});

scripts/pi-hole/php/loginpage.php

@@ -5,6 +5,7 @@
 
       <div class="panel-title text-center"><span class="logo-lg" style="font-size: 25px;"><b>Pi</b>-hole</span></div>
       <p class="login-box-msg">Sign in to start your session</p>
+      <div id="cookieInfo" class="panel-title text-center" style="color:#F00; font-size: 150%" hidden>Verify that cookies are allowed for <tt><?php echo $_SERVER['HTTP_HOST']; ?></tt></div>
       <?php if ($wrongpassword) { ?>
         <div class="form-group has-error login-box-msg">
           <label class="control-label"><i class="fa fa-times-circle-o"></i> Wrong password!</label>
@@ -54,7 +55,6 @@
           </div>
         </div>
       </form>
-
     </div>
   </div>
 </div>