Add means to prevent registration on the testing site.

src/Controllers/AuthController.php

@@ -84,14 +84,19 @@ class AuthController extends Controller
     public function register()
     {
         $app = Application::getInstance();
+        $prevent_registration = $app->config->get('Auth', 'prevent_registration', 'bool', false);
 
         if ($app->getSession() !== null) {
             return '<meta http-equiv="refresh" content="0; url=/">';
         }
 
         if ($_SERVER['REQUEST_METHOD'] === 'GET') {
-            $twig = $app->templating;
+            $app->templating->var('prevent_registration', $prevent_registration);
-            return $twig->render('auth.register');
+            return $app->templating->render('auth.register');
+        }
+
+        if ($prevent_registration) {
+            return ['error' => 'Registration is not allowed on this instance.'];
         }
 
         if (!isset($_POST['username'], $_POST['password'], $_POST['email'])) {

views/nova/auth/register.twig

@@ -4,24 +4,34 @@
 
 {% block banner_content %}
     <h1 style="align-self: center; text-align: left; flex-grow: 1; padding-left: 2em">
-        Welcome, thanks for dropping by!
+        {% if not prevent_registration %}
+            Welcome, thanks for dropping by!
+        {% else %}
+            Stop!
+        {% endif %}
     </h1>
 {% endblock %}
 
 {% block content %}
-    <div class="platform form" id="auth-form">
+    {% if not prevent_registration %}
-        <div>
+        <div class="platform form" id="auth-form">
-            <input class="form__text" type="text" name="username" placeholder="Username">
+            <div>
+                <input class="form__text" type="text" name="username" placeholder="Username">
+            </div>
+            <div>
+                <input class="form__text" type="password" name="password" placeholder="Password">
+            </div>
+            <div>
+                <input class="form__text" type="text" name="email" placeholder="E-mail">
+            </div>
+            <div>
+                <button class="button">Create your account!</button>
+            </div>
         </div>
-        <div>
+        {{ parent() }}
-            <input class="form__text" type="password" name="password" placeholder="Password">
+    {% else %}
+        <div class="platform">
+            <p>You're currently using the site via the public testing end, if you want to create an account please do so from the main website.</p>
         </div>
-        <div>
+    {% endif %}
-            <input class="form__text" type="text" name="email" placeholder="E-mail">
-        </div>
-        <div>
-            <button class="button">Create your account!</button>
-        </div>
-    </div>
-    {{ parent() }}
 {% endblock %}