+       /**
+        * Register an account
+        *
+        * @param Request $request The request
+        * @param Registry $manager The doctrine registry
+        * @param UserPasswordEncoderInterface $encoder The password encoder
+        * @param EntityManagerInterface $manager The doctrine entity manager
+        * @param SluggerUtil $slugger The slugger
+        * @param MailerInterface $mailer The mailer
+        * @param LoggerInterface $logger The logger
+        * @param string $mail The shorted mail address
+        * @param string $field The serialized then shorted form field array
+        * @param string $hash The hashed serialized field array
+        * @return Response The response
+        */
+       public function register(Request $request, Registry $doctrine, UserPasswordEncoderInterface $encoder, EntityManagerInterface $manager, SluggerUtil $slugger, MailerInterface $mailer, LoggerInterface $logger, $mail, $field, $hash): Response {
+               //With mail
+               if (!empty($_POST['register']['mail'])) {
+                       //Log new user infos
+                       $logger->emergency(
+                               $this->translator->trans(
+                                       'register: mail=%mail% locale=%locale% confirm=%confirm%',
+                                       [
+                                               '%mail%' => $postMail = $_POST['register']['mail'],
+                                               '%locale%' => $request->getLocale(),
+                                               '%confirm%' => $this->get('router')->generate(
+                                                       $this->config['route']['confirm']['name'],
+                                                       //Prepend subscribe context with tag
+                                                       [
+                                                               'mail' => $postSmail = $slugger->short($postMail),
+                                                               'hash' => $slugger->hash($postSmail)
+                                                       ]+$this->config['route']['confirm']['context'],
+                                                       UrlGeneratorInterface::ABSOLUTE_URL
+                                               )
+                                       ]
+                               )
+                       );
+               }
+
+               //With mail and field
+               if (!empty($field) && !empty($hash)) {
+                       //With invalid hash
+                       if ($hash != $slugger->hash($mail.$field)) {
+                               //Throw bad request
+                               throw new BadRequestHttpException($this->translator->trans('Invalid %field% field: %value%', ['%field%' => 'hash', '%value%' => $hash]));
+                       }
+
+                       //With mail
+                       if (!empty($mail)) {
+                               //Get mail
+                               $mail = $slugger->unshort($smail = $mail);
+
+                               //Without valid mail
+                               if (filter_var($mail, FILTER_VALIDATE_EMAIL) === false) {
+                                       //Throw bad request
+                                       //XXX: prevent slugger reverse engineering by not displaying decoded mail
+                                       throw new BadRequestHttpException($this->translator->trans('Invalid %field% field: %value%', ['%field%' => 'mail', '%value%' => $smail]));
+                               }
+
+                               //With existing registrant
+                               if ($existing = $doctrine->getRepository($this->config['class']['user'])->findOneByMail($mail)) {
+                                       //With disabled existing
+                                       if ($existing->isDisabled()) {
+                                               //Render view
+                                               return $this->render(
+                                                       //Template
+                                                       $this->config['register']['view']['name'],
+                                                       //Context
+                                                       ['title' => $this->translator->trans('Access denied'), 'disabled' => 1]+$this->config['register']['view']['context'],
+                                                       //Set 403
+                                                       new Response('', 403)
+                                               );
+                                       //With unactivated existing
+                                       } elseif (!$existing->isActivated()) {
+                                               //Set mail shortcut
+                                               //TODO: change for activate ???
+                                               $activateMail =& $this->config['register']['mail'];
+
+                                               //Generate each route route
+                                               foreach($this->config['register']['route'] as $route => $tag) {
+                                                       //Only process defined routes
+                                                       if (!empty($this->config['route'][$route])) {
+                                                               //Process for confirm url
+                                                               if ($route == 'confirm') {
+                                                                       //Set the url in context
+                                                                       $activateMail['context'][$tag] = $this->get('router')->generate(
+                                                                               $this->config['route'][$route]['name'],
+                                                                               //Prepend subscribe context with tag
+                                                                               [
+                                                                                       'mail' => $smail = $slugger->short($existing->getMail()),
+                                                                                       'hash' => $slugger->hash($smail)
+                                                                               ]+$this->config['route'][$route]['context'],
+                                                                               UrlGeneratorInterface::ABSOLUTE_URL
+                                                                       );
+                                                               }
+                                                       }
+                                               }
+
+                                               //Set recipient_name
+                                               $activateMail['context']['recipient_mail'] = $existing->getMail();
+
+                                               //Set recipient name
+                                               $activateMail['context']['recipient_name'] = implode(' ', [$existing->getForename(), $existing->getSurname(), $existing->getPseudonym()?'('.$existing->getPseudonym().')':'']);
+
+                                               //Init subject context
+                                               $subjectContext = $slugger->flatten(array_replace_recursive($this->config['register']['view']['context'], $activateMail['context']), null, '.', '%', '%');
+
+                                               //Translate subject
+                                               $activateMail['subject'] = ucfirst($this->translator->trans($activateMail['subject'], $subjectContext));
+
+                                               //Create message
+                                               $message = (new TemplatedEmail())
+                                                       //Set sender
+                                                       ->from(new Address($this->config['contact']['mail'], $this->config['contact']['title']))
+                                                       //Set recipient
+                                                       //XXX: remove the debug set in vendor/symfony/mime/Address.php +46
+                                                       ->to(new Address($activateMail['context']['recipient_mail'], $activateMail['context']['recipient_name']))
+                                                       //Set subject
+                                                       ->subject($activateMail['subject'])
+
+                                                       //Set path to twig templates
+                                                       ->htmlTemplate($activateMail['html'])
+                                                       ->textTemplate($activateMail['text'])
+
+                                                       //Set context
+                                                       ->context(['subject' => $activateMail['subject']]+$activateMail['context']);
+
+                                               //Try sending message
+                                               //XXX: mail delivery may silently fail
+                                               try {
+                                                       //Send message
+                                                       $mailer->send($message);
+                                               //Catch obvious transport exception
+                                               } catch(TransportExceptionInterface $e) {
+                                                       //Add error message mail unreachable
+                                                       $this->addFlash('error', $this->translator->trans('Account %mail% tried activate but unable to contact', ['%mail%' => $existing->getMail()]));
+                                               }
+
+                                               //Get route params
+                                               $routeParams = $request->get('_route_params');
+
+                                               //Remove mail, field and hash from route params
+                                               unset($routeParams['mail'], $routeParams['field'], $routeParams['hash']);
+
+                                               //Redirect on the same route with sent=1 to cleanup form
+                                               return $this->redirectToRoute($request->get('_route'), ['sent' => 1]+$routeParams);
+                                       }
+
+                                       //Add error message mail already exists
+                                       $this->addFlash('warning', $this->translator->trans('Account %mail% already exists', ['%mail%' => $existing->getMail()]));
+
+                                       //Redirect to user view
+                                       return $this->redirectToRoute(
+                                               $this->config['route']['edit']['name'],
+                                               [
+                                                       'mail' => $smail = $slugger->short($existing->getMail()),
+                                                       'hash' => $slugger->hash($smail)
+                                               ]+$this->config['route']['edit']['context']
+                                       );
+                               }
+                       //Without mail
+                       } else {
+                               //Set smail
+                               $smail = $mail;
+                       }
+
+                       //Try
+                       try {
+                               //Unshort then unserialize field
+                               $field = $slugger->unserialize($sfield = $field);
+                       //Catch type error
+                       } catch (\Error|\Exception $e) {
+                               //Throw bad request
+                               throw new BadRequestHttpException($this->translator->trans('Invalid %field% field: %value%', ['%field%' => 'field', '%value%' => $field]), $e);
+                       }
+
+                       //With non array field
+                       if (!is_array($field)) {
+                               //Throw bad request
+                               throw new BadRequestHttpException($this->translator->trans('Invalid %field% field: %value%', ['%field%' => 'field', '%value%' => $field]));
+                       }
+               //Without field and hash
+               } else {
+                       //Set smail
+                       $smail = $mail;
+
+                       //Set smail
+                       $sfield = $field;
+
+                       //Reset field
+                       $field = [
+                               //Without slug
+                               'slug' => false
+                       ];
+               }
+
+               //Init reflection
+               $reflection = new \ReflectionClass($this->config['class']['user']);
+
+               //Create new user
+               $user = $reflection->newInstance(strval($mail));
+