Implemented the validation process.

index.php

@@ -1,48 +1,59 @@
 <?php
 require 'vendor/autoload.php';
 require_once 'is_email.php';
+require_once 'config.php';
 
+use Silex\Application\TranslationTrait;
 use Symfony\Component\HttpFoundation\Request;
+use Guzzle\Http\Client;
 
-$app = new Silex\Application();
+use Silex\Application;
+
+class RegistrationApplication extends Application {
+  use Application\TranslationTrait;
+  use Application\TwigTrait;
+}
+
+$app = new RegistrationApplication();
 
 $app['debug'] = true;
 
 $app->register(new Silex\Provider\TwigServiceProvider(), array(
-    'twig.path' => __DIR__.'/templates',
+  'twig.path' => __DIR__ . '/templates',
 ));
 
 $app->register(new Silex\Provider\TranslationServiceProvider(), array(
-    'locale_fallback' => 'de',
+  'locale_fallback' => 'de',
 ));
 
-$app['translator'] = $app->share($app->extend('translator', function($translator, $app) {
-    $translator->addResource('xliff', __DIR__.'/locales/de.xml', 'de');
-    $translator->addResource('xliff', __DIR__.'/locales/en.xml', 'en');
+$app['translator'] = $app->share($app->extend('translator', function ($translator, $app) {
+  $translator->addResource('xliff', __DIR__ . '/locales/de.xml', 'de');
+  $translator->addResource('xliff', __DIR__ . '/locales/en.xml', 'en');
 
-    return $translator;
+  return $translator;
 }));
 
-$app->before(function(Request $request) use ($app){
+$app->before(function (Request $request) use ($app) {
   $lang = $request->getPreferredLanguage(array('en', 'de'));
   $app['translator']->setLocale($lang);
 });
 
-$app->get('/', function (Request $request) use ($app) {
+$app->get('/', function (Request $request) use ($app, $config) {
   return $app['twig']->render('registration_form.twig', array(
-      'errors' => array(),
+    'hosts' => $config['hosts'],
+    'errors' => array(),
   ));
 });
 
-$app->post('/', function (Request $request) use ($app) {
+$app->post('/', function (Request $request) use ($app, $config) {
   $errors = array();
 
   // collect the params
-  $user = $request->get('username',null);
-  $host = $request->get('host',null);
-  $email = $request->get('mail',null);
-  $password = $request->get('password',null);
-  $password_repeat = $request->get('password_repeat',null);
+  $user = $request->get('username', null);
+  $host = $request->get('host', null);
+  $email = $request->get('mail', null);
+  $password = $request->get('password', null);
+  $password_repeat = $request->get('password_repeat', null);
 
   // check for errors
   if (!$user) {
@@ -68,14 +79,88 @@ $app->post('/', function (Request $request) use ($app) {
   if ($password != $password_repeat) {
     $errors[] = $app->trans('Bitte gebe in den Feldern Passwort und Passwortwiederholung identische Werte ein.');
   }
-  
+
+  if (count($errors) == 0) {
+    $client = new Client($config['prosody']['http_base']);
+
+    $request = $client
+      ->get($config['prosody']['url_prefix'] . 'user/' . $user)
+      ->setAuth($config['prosody']['user'], $config['prosody']['password']);
+
+    $response = $request->send();
+
+    if ($response->getStatusCode() != 404) {
+      $errors[] = $app->trans('Der Benutzername ist bereits vergeben.');
+    }
+  }
+
+  if (count($errors) == 0) {
+
+    $client = new Client($config['prosody']['http_base']);
+
+    $data = json_encode(array(
+      'username' => $user,
+      'password' => $password,
+      'server' => $host,
+      'mail' => $email,
+    ));
+
+    $token = sha1($data);
+
+    if (strlen($token) > 0) {
+      file_put_contents('validations/' . $token, $data);
+      $message = Swift_Message::newInstance()
+        ->setSubject($app->trans('Registrierung auf %server%', array('%server%' => $host)))
+        ->setFrom($config['from'])
+        ->setTo($email)
+        ->setBody($app['twig']->render(sprintf('email.%s.twig', $app['translator']->getLocale()), array('auth_token' => $token, 'url' => $config['url'])));
+
+      $transport = Swift_SendmailTransport::newInstance('/usr/sbin/sendmail -bs');
+
+      $mailer = Swift_Mailer::newInstance($transport);
+
+      $result = $mailer->send($message);
+
+      if (!$result) {
+        $errors[] = $app->trans('Beim Mailversand ist ein Fehler aufgetreten.');
+      }
+    }
+  }
+
   if (count($errors) > 0) {
     return $app['twig']->render('registration_form.twig', array(
+      'hosts' => $config['hosts'],
       'errors' => $errors,
     ));
   } else {
-    return $app['twig']->render('success.twig', array(
-    ));    
+    return $app['twig']->render('success.twig', array());
+  }
+});
+
+$app->get('/{verifycode}', function ($verifycode) use ($app, $config) {
+  if (file_exists('templates/' . $verifycode)) {
+    $data = json_decode(file_get_contents('templates/' . $verifycode));
+
+    $jid = $data['user'] . '@' . $data['server'];
+
+    $client = new Client($config['prosody']['http_base']);
+
+    $request = $client
+      ->post($config['prosody']['url_prefix'] . 'user/' . $data->user, array(
+        'Host' => $data->server,
+      ), json_encode(array('password' => $data->password)))
+      ->setAuth($config['prosody']['user'], $config['prosody']['password']);
+
+    $response = $request->send();
+
+    if ($response->getStatusCode() == 201) {
+      return $app->render('welcome.twig', array('jid' => $jid));
+    } else {
+      return $app->render('error.twig', array('url' => $config['url']));
+    }
+
+  } else {
+    return $app->render('tokennotfound.twig');
   }
 });
 

templates/email.de.twig

@@ -0,0 +1,9 @@
+Hallo Benutzer,
+
+bitte besuche folgende URL um dein Konto zu aktivieren:
+
+https://bandenkrieg.hacked.jp/~tim/xmpp/{{ auth_token }}
+
+mit freundlichen Grüßen
+
+das Registrierungsformular

templates/email.en.twig

@@ -0,0 +1,9 @@
+Hello user,
+
+please visit the following url to activate your account:
+
+https://bandenkrieg.hacked.jp/~tim/xmpp/{{ auth_token }}
+
+with kind regards
+
+the registration form

templates/error.twig

@@ -0,0 +1,5 @@
+{% extends "layout.twig" %}
+
+{% block content %}
+<p>Bei der Registrierung ist etwas schief gelaufen. Bitte probiere es <a href="{{ url }}">noch einmal</a>.</p>
+{% endblock %}

templates/layout.twig

@@ -0,0 +1,21 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta name="description" content="">
+    <meta name="author" content="">
+
+    <title>{% trans %}Ein XMPP-Konto registrieren{% endtrans %}</title>
+
+    <!-- Bootstrap core CSS -->
+    <link href="css/bootstrap.min.css" rel="stylesheet">
+
+</head>
+
+<body>
+<div class="container">
+    {% block content %}{% endblock %}
+</div>
+</body>
+</html>

templates/registration_form.twig

@@ -1,20 +1,6 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="utf-8">
-    <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <meta name="description" content="">
-    <meta name="author" content="">
+{% extends "layout.twig" %}
 
-    <title>{% trans %}Ein XMPP-Konto registrieren{% endtrans %}</title>
-
-    <!-- Bootstrap core CSS -->
-    <link href="css/bootstrap.min.css" rel="stylesheet">
-
-  </head>
-
-  <body>
-<div class="container">
+{% block content %}
 <form class="form-horizontal" method="post">
 <fieldset>
 
@@ -47,7 +33,9 @@
   <div class="controls">
     <select id="host" name="host" class="input-xlarge" required="">
       <option></option>
-      <option>krautspace.de</option>
+      {% for host in hosts %}
+      <option>{{ host }}</option>
+      {% endfor %}
     </select>
     <p class="help-block">{% trans %}Wähle hier einen Servernamen aus. Deine XMPP-ID ist dann <span class="xmpp-id-preview">Benutzername@Servername</span>{% endtrans %}</p>
   </div>
@@ -91,6 +79,4 @@
 
 </fieldset>
 </form>
-</div>
-</body>
-</html>
+{% endblock %}

templates/success.twig

@@ -0,0 +1,14 @@
+{% extends "layout.twig" %}
+
+{% block content %}
+<form class="form-horizontal" method="post">
+<fieldset>
+
+<!-- Form Name -->
+<legend>{% trans %}Ein XMPP-Konto registrieren{% endtrans %}</legend>
+
+<p>{% trans %}Vielen Dank für deine Registrierung. Dir wurde eine E-Mail mit einem aktivierungs Link zugeschickt.{% endtrans %}</p>
+
+</fieldset>
+</form>
+{% endblock %}

templates/tokennotfound.twig

@@ -0,0 +1,5 @@
+{% extends "layout.twig" %}
+
+{% block content %}
+<p>{% trans %}Der angegebene Token wurde nicht gefunden{% endtrans %}</p>
+{% endblock %}

templates/welcome.twig

@@ -0,0 +1,5 @@
+{% extends "layout.twig" %}
+
+{% block content %}
+<p>{% trans %}Herzlich Willkommen {{ jid }}! {% endtrans %}</p>
+{% endblock %}