Added the possibility to delete a U2F key.

assets/ts_src/ajax_ui.ts

@@ -297,11 +297,17 @@ class AjaxUI {
     /**
      * Submits the given form via ajax.
      * @param form The form that will be submmitted.
+     * @param btn The btn via which the form is submitted
      */
-    public submitForm(form)
+    public submitForm(form, btn = null)
     {
         let options = ajaxUI.getFormOptions();
 
+        if(btn) {
+            options.data = {};
+            options.data[$(btn).attr('name')] = $(btn).attr('value');
+        }
+
         $(form).ajaxSubmit(options);
     }
 

assets/ts_src/event_listeners.ts

@@ -190,6 +190,9 @@ $(document).on("ajaxUI:start ajaxUI:reload", function() {
 
         let form = this;
 
+        //Get the submit button
+        let btn = document.activeElement;
+
         let title = $(this).data("title");
         let message = $(this).data("message");
 
@@ -199,7 +202,7 @@ $(document).on("ajaxUI:start ajaxUI:reload", function() {
             callback: function(result) {
                 //If the dialog was confirmed, then submit the form.
                 if(result) {
-                    ajaxUI.submitForm(form);
+                    ajaxUI.submitForm(form, btn);
                 }
             }});
 

src/Controller/SecurityController.php

@@ -21,7 +21,11 @@
 
 namespace App\Controller;
 
+use App\Entity\Parts\Part;
+use App\Entity\UserSystem\U2FKey;
+use App\Entity\UserSystem\User;
 use App\Services\PasswordResetManager;
+use App\Services\TFA\BackupCodeManager;
 use Doctrine\ORM\EntityManagerInterface;
 use Gregwar\CaptchaBundle\Type\CaptchaType;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
@@ -29,6 +33,7 @@ use Symfony\Component\Form\Extension\Core\Type\PasswordType;
 use Symfony\Component\Form\Extension\Core\Type\RepeatedType;
 use Symfony\Component\Form\Extension\Core\Type\SubmitType;
 use Symfony\Component\Form\Extension\Core\Type\TextType;
+use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpKernel\Exception\AccessDeniedHttpException;
 use Symfony\Component\Mailer\MailerInterface;
@@ -164,6 +169,46 @@ class SecurityController extends AbstractController
             'form' => $form->createView()
         ]);
     }
+    /**
+     * @Route("/user/u2f_delete", name="u2f_delete", methods={"DELETE"})
+     *
+     * @return \Symfony\Component\HttpFoundation\RedirectResponse
+     */
+    public function removeU2FToken(Request $request, EntityManagerInterface $entityManager, BackupCodeManager $backupCodeManager)
+    {
+        $user = $this->getUser();
+        if (!$user instanceof User) {
+            return new \RuntimeException('This controller only works only for Part-DB User objects!');
+        }
+        //When user change its settings, he should be logged  in fully.
+        $this->denyAccessUnlessGranted('IS_AUTHENTICATED_FULLY');
+
+        if ($this->isCsrfTokenValid('delete'.$user->getId(), $request->request->get('_token'))) {
+            if($request->request->has('key_id')) {
+                $key_id = $request->request->get('key_id');
+                $key_repo = $entityManager->getRepository(U2FKey::class);
+                /** @var U2FKey|null $u2f */
+                $u2f = $key_repo->find($key_id);
+                if($u2f === null) {
+                    $this->addFlash('danger','tfa_u2f.u2f_delete.not_existing');
+                    throw new \RuntimeException('Key not existing!');
+                }
+
+                //User can only delete its own U2F keys
+                if ($u2f->getUser() !== $user) {
+                    $this->addFlash('danger', 'tfa_u2f.u2f_delete.access_denied');
+                    throw new \RuntimeException('You can only delete your own U2F keys!');
+                }
+
+                $backupCodeManager->disableBackupCodesIfUnused($user);
+                $entityManager->remove($u2f);
+                $entityManager->flush();
+                $this->addFlash('success', 'tfa.u2f.u2f_delete.success');
+            }
+        }
+        
+        return $this->redirectToRoute('user_settings');
+    }
 
     /**
      * @Route("/logout", name="logout")

src/Entity/UserSystem/U2FKey.php

@@ -161,6 +161,15 @@ class U2FKey implements TwoFactorKeyInterface
         return $this->user;
     }
 
+    /**
+     * The primary key ID of this key
+     * @return int
+     */
+    public function getID() : int
+    {
+        return $this->id;
+    }
+
     /**
      * Sets the user this U2F key belongs to.
      * @param  TwoFactorInterface  $new_user

src/Services/TFA/BackupCodeManager.php

@@ -37,7 +37,7 @@ class BackupCodeManager
      */
     public function disableBackupCodesIfUnused(User $user)
     {
-        if($user->isU2FAuthEnabled() || $user->isGoogleAuthenticatorEnabled()) {
+        if($user->isGoogleAuthenticatorEnabled()) {
             return;
         }
 

templates/Users/_2fa_settings.html.twig

@@ -100,12 +100,17 @@
 
                 {% if user.u2FKeys is not empty %}
                     <b>{% trans %}tfa_u2f.table_caption{% endtrans %}:</b>
+                    <form action="{{ url('u2f_delete') }}" method="post" data-delete-form data-title="{% trans %}tfa_u2f.delete_u2f.confirm_title{% endtrans %}"
+                          data-message="{% trans %}tfa_u2f.delete_u2f.confirm_message{% endtrans %}">
+                        <input type="hidden" name="_method" value="DELETE">
+                        <input type="hidden" name="_token" value="{{ csrf_token('delete' ~ user.id) }}">
                         <table class="table table-striped table-bordered table-sm mt-2">
                             <thead>
                             <tr>
                                 <th>#</th>
                                 <th>{% trans %}tfa_u2f.keys.name{% endtrans %}</th>
                                 <th>{% trans %}tfa_u2f.keys.added_date{% endtrans %}</th>
+                                <th></th>
                             </tr>
                             </thead>
                             <tbody>
@@ -114,10 +119,12 @@
                                     <td>{{ loop.index }}</td>
                                     <td>{{ key.name }}</td>
                                     <td>{{ key.addedDate | format_datetime }}</td>
+                                    <td><button type="submit" class="btn btn-danger btn-sm" name="key_id" value="{{ key.id }}"><i class="fas fa-trash-alt fa-fw"></i> {% trans %}tfa_u2f.key_delete{% endtrans %}</button></td>
                                 </tr>
                             {% endfor %}
                             </tbody>
                         </table>
+                    </form>
                 {% else %}
                     <p><b>{% trans %}tfa_u2f.no_keys_registered{% endtrans %}</b></p>
                 {% endif %}

tests/Services/TFA/BackupCodeManagerTest.php

@@ -60,10 +60,5 @@ class BackupCodeManagerTest extends WebTestCase
         $user->setGoogleAuthenticatorSecret('jskf');
         $this->service->disableBackupCodesIfUnused($user);
         $this->assertEquals($codes, $user->getBackupCodes());
-
-        $user->setGoogleAuthenticatorSecret('');
-        $user->addU2FKey(new U2FKey());
-        $this->service->disableBackupCodesIfUnused($user);
-        $this->assertEquals($codes, $user->getBackupCodes());
     }
 }