[CONTROLLER][SECURITY] Registration feedback. The flashError works. However, Symfony's Exception error page is viewed upon trying to register.

src/Controller/Security.php

@@ -5,6 +5,13 @@ namespace App\Controller;
 use App\Core\Controller;
 use App\Core\DB\DB;
 use App\Core\Form;
+use App\Util\Exception\DuplicateFoundException;
+use App\Util\Exception\NicknameEmptyException;
+use App\Util\Exception\NicknameReservedException;
+use App\Util\Exception\NicknameTooLongException;
+use App\Util\Exception\NicknameTooShortException;
+use App\Util\Exception\NotImplementedException;
+use Symfony\Component\HttpFoundation\Response;
 use function App\Core\I18n\_m;
 use App\Core\Log;
 use App\Core\VisibilityScope;
@@ -62,9 +69,25 @@ class Security extends Controller
         throw new \LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
     }
 
+
     /**
+     *
      * Register a user, making sure the nickname is not reserved and
      * possibly sending a confirmation email
+     *
+     * @param Request $request
+     * @param GuardAuthenticatorHandler $guard_handler
+     * @param Authenticator $authenticator
+     * @return array|Response|null
+     * @throws EmailTakenException
+     * @throws NicknameTakenException
+     * @throws ServerException
+     * @throws DuplicateFoundException
+     * @throws NicknameEmptyException
+     * @throws NicknameReservedException
+     * @throws NicknameTooLongException
+     * @throws NicknameTooShortException
+     * @throws NotImplementedException
      */
     public function register(Request                   $request,
                              GuardAuthenticatorHandler $guard_handler,
@@ -84,6 +107,7 @@ class Security extends Controller
                 ],
                 'block_name' => 'nickname',
                 'label_attr' => ['class' => 'section-form-label'],
+                'invalid_message' => _m('Nickname not valid. Please provide a valid nickname.'),
             ]],
             ['email', EmailType::class, [
                 'label'       => _m('Email'),
@@ -91,6 +115,7 @@ class Security extends Controller
                 'constraints' => [ new NotBlank(['message' => _m('Please enter an email') ])],
                 'block_name'  => 'email',
                 'label_attr'  => ['class' => 'section-form-label'],
+                'invalid_message' => _m('Email not valid. Please provide a valid email.'),
             ]],
             FormFields::repeated_password(),
             ['register', SubmitType::class, ['label' => _m('Register')]],
@@ -105,10 +130,15 @@ class Security extends Controller
             // This will throw the appropriate errors, result ignored
             $user = LocalUser::findByNicknameOrEmail($data['nickname'], $data['email']);
             if ($user !== null) {
+
                 // If we do find something, there's a duplicate
-                if ($user->getNickname() == $data['nickname']) {
+                if ($user->getNickname() === $data['nickname']) {
+                    // Register page feedback on nickname already in use
+                    $this->addFlash("verify_nickname_error", _m('Nickname is already in use on this server.'));
                     throw new NicknameTakenException;
                 } else {
+                    // Register page feedback on email already in use
+                    $this->addFlash("verify_email_error", _m('Email is already taken.'));
                     throw new EmailTakenException;
                 }
             }

templates/security/login.html.twig

@@ -8,54 +8,58 @@
 {% block title %}{{ "Log in!" | trans }}{% endblock %}
 
 {% block body %}
-    <div class='content'>
     <section class="section-widget">
         <form class="section-form" method="post">
             <fieldset>
-                    <legend class="section-form-legend"><h1>{{ "Login" | trans }}</h1></legend>
+                <legend class="section-form-legend">{{ "Login" | trans }}</legend>
 
                 {% if error %}
+
                     <ul>
                         {% for flashError in app.flashes('verify_email_error') %}
                             <li class="alert alert-danger">{{ error.messageKey | trans(error.messageData, 'security') }}</li>
                         {% endfor %}
                     </ul>
+
                 {% endif %}
 
                 {% if app.user %}
+
                     <h1 class="mb-3">
                         {{ "You are logged in as" | trans }} {{ app.user.username }}.
                         <button class="btn btn-lg btn-primary">
                             <a href="{{ path('app_logout') }}">{{ "Logout" | trans }}</a>
                         </button>
                     </h1>
+
                 {% else %}
+
                     {# TODO: Login can be done with email, so the id's and stuff should reflect that, along with using the translation facilities #}
-                        <div>
+                    <div class="form-group">
                         <label class="section-form-label" for="inputNickname">{{ "Nickname or Email" | trans }}</label>
                         <input type="text" value="{{ last_login_id }}" name="nickname" id="inputNickname" class="form-control" required autofocus>
                         <p class="help-text">{{ "Your nickname." | trans }}</p>
                     </div>
-                        <div>
+                    <div class="form-group">
                         <label class="section-form-label" for="inputPassword">{{ "Password" | trans }}</label>
                         <input type="password" name="password" id="inputPassword" class="form-control" required>
                         <p class="help-text">{{ "Your account's password." | trans }}</p>
                     </div>
 
                     <span class="checkbox mb-3">
-                            <label>{{ "Remember me" | trans }}</label>
                         <input type="checkbox" name="_remember_me">
+                        <label>{{ "Remember me" | trans }}</label>
                     </span>
 
                     <div>
                         <button class="btn btn-lg btn-primary" type="submit">Sign in</button>
                     </div>
                     <input type="hidden" name="_csrf_token" value="{{ csrf_token('authenticate') }}">
+
                 {% endif %}
             </fieldset>
         </form>
     </section>
-    </div>
 {% endblock body %}
 
 {% block javascripts %}{% endblock %}

templates/security/register.html.twig

@@ -8,29 +8,31 @@
 {% block title %}Register{% endblock %}
 
 {% block body %}
-    <div class='content'>
-        <div class="section-container">
     <section class="section-widget">
+
+        <form class="section-form" method="post">
             {{ form_start(registration_form) }}
-                <fieldset class="section-form">
+            <fieldset>
-                    <legend class="section-form-legend">
+                <legend class="section-form-legend">{{ "Register" | trans }}</legend>
-                        <h1>{{ "Register a new account" | trans }}</h1>
+
-                    </legend>
                 <ul>
                     {% for flashError in app.flashes('verify_email_error') %}
                         <li class="alert alert-danger" role="alert">{{ flashError }}</li>
                     {% endfor %}
+                    {% for flashError in app.flashes('verify_nickname_error') %}
+                        <li class="alert alert-danger" role="alert">{{ flashError }}</li>
+                    {% endfor %}
                 </ul>
+
                 {{ form_row(registration_form.nickname) }}
                 {{ form_row(registration_form.email) }}
                 {{ form_row(registration_form.password) }}
                 {{ form_row(registration_form.register) }}
             </fieldset>
             {{ form_end(registration_form) }}
-            </section>
+        </form>
-        </div>
 
-    </div>
+    </section>
 {% endblock body %}
 
 {% block javascripts %}{% endblock %}

templates/sidepanel/right/right.html.twig

@@ -18,6 +18,7 @@
                 </details>
 
                 <div class="section-form">
+                    <fieldset>
                         {{ form_start(post_form) }}
 
                         {{ form_row(post_form.to, {'attr': {'class': 'section-form-scope'}}) }}
@@ -33,6 +34,7 @@
                         {{ form_row(post_form.post_note, {'attr': {'class': 'section-form-send'}}) }}
 
                         {{ form_end(post_form) }}
+                    </fieldset>
                 </div>
             </section>
         {% endif %}