Use HTML email for 2FA

Related to #1490

src/Wallabag/UserBundle/Mailer/AuthCodeMailer.php

@@ -20,11 +20,11 @@ class AuthCodeMailer implements AuthCodeMailerInterface
     private $mailer;
 
     /**
-     * Translator for email content.
+     * Twig to render the html's email.
      *
-     * @var TranslatorInterface
+     * @var \Twig_Environment
      */
-    private $translator;
+    private $twig;
 
     /**
      * Sender email address.
@@ -50,16 +50,16 @@ class AuthCodeMailer implements AuthCodeMailerInterface
     /**
      * Initialize the auth code mailer with the SwiftMailer object.
      *
-     * @param \Swift_Mailer       $mailer
-     * @param TranslatorInterface $translator
-     * @param string              $senderEmail
-     * @param string              $senderName
-     * @param string              $supportUrl
+     * @param \Swift_Mailer           $mailer
+     * @param \Twig_Environment       $twig
+     * @param string                  $senderEmail
+     * @param string                  $senderName
+     * @param string                  $supportUrl
      */
-    public function __construct(\Swift_Mailer $mailer, TranslatorInterface $translator, $senderEmail, $senderName, $supportUrl)
+    public function __construct(\Swift_Mailer $mailer, \Twig_Environment $twig, $senderEmail, $senderName, $supportUrl)
     {
         $this->mailer = $mailer;
-        $this->translator = $translator;
+        $this->twig = $twig;
         $this->senderEmail = $senderEmail;
         $this->senderName = $senderName;
         $this->supportUrl = $supportUrl;
@@ -72,20 +72,27 @@ class AuthCodeMailer implements AuthCodeMailerInterface
      */
     public function sendAuthCode(TwoFactorInterface $user)
     {
+        $template = $this->twig->loadTemplate('@WallabagUserBundle/Resources/views/TwoFactor/email_auth_code.html.twig');
+
+        $subject  = $template->renderBlock('subject', array());
+        $bodyHtml = $template->renderBlock('body_html', [
+            'user' => $user->getName(),
+            'code' => $user->getEmailAuthCode(),
+            'support' => $this->supportUrl,
+        ]);
+        $bodyText = $template->renderBlock('body_text', [
+            'user' => $user->getName(),
+            'code' => $user->getEmailAuthCode(),
+            'support' => $this->supportUrl,
+        ]);
+
         $message = new \Swift_Message();
         $message
             ->setTo($user->getEmail())
             ->setFrom($this->senderEmail, $this->senderName)
-            ->setSubject($this->translator->trans('auth_code.mailer.subject', array(), 'wallabag_user'))
-            ->setBody($this->translator->trans(
-                'auth_code.mailer.body',
-                [
-                    '%user%' => $user->getName(),
-                    '%code%' => $user->getEmailAuthCode(),
-                    '%support%' => $this->supportUrl,
-                ],
-                'wallabag_user'
-            ))
+            ->setSubject($subject)
+            ->setBody($bodyText, 'text/plain')
+            ->addPart($bodyHtml, 'text/html')
         ;
 
         $this->mailer->send($message);

src/Wallabag/UserBundle/Resources/config/services.yml

@@ -3,7 +3,7 @@ services:
         class: Wallabag\UserBundle\Mailer\AuthCodeMailer
         arguments:
             - "@mailer"
-            - "@translator"
+            - "@twig"
             - "%scheb_two_factor.email.sender_email%"
             - "%scheb_two_factor.email.sender_name%"
             - "%wallabag_support_url%"

src/Wallabag/UserBundle/Resources/translations/wallabag_user.en.yml

@@ -1,10 +1,9 @@
 # Two factor mail
 auth_code.mailer.subject: 'Wallabag authentication Code'
-auth_code.mailer.body: |
-    Hi %user%,
-
+auth_code.mailer.body.hello: "Hi %user%,"
+auth_code.mailer.body.content: |
     Since you enable two factor authentication on your wallabag account and you just logged in from a new device (computer, phone, etc.), we send you a code to validate your connection.
     Here is the code: %code%
-
+auth_code.mailer.body.signature: |
     Please don't hesitate to contact us if you have any problems: %support%
     The wallabag team

src/Wallabag/UserBundle/Resources/translations/wallabag_user.fr.yml

@@ -1,10 +1,9 @@
 # Two factor mail
 auth_code.mailer.subject: "Code d'authentification wallabag"
-auth_code.mailer.body: |
-    Bonjour %user%,
-
+auth_code.mailer.body.hello: "Bonjour %user%,"
+auth_code.mailer.body.content: |
     Comme vous avez activé la double authentification sur votre compte wallabag et que vous venez de vous connecter depuis un nouvel appareil (ordinateur, téléphone, etc.), nous vous envoyons un code pour valider votre connexion.
     Voici le code à renseigner: %code%
-
+auth_code.mailer.body.signature: |
     Si vous avez un problème de connexion, n'hésitez pas à contacter le support: %support%
     L'équipe wallabag

src/Wallabag/UserBundle/Resources/views/TwoFactor/email_auth_code.html.twig

@@ -0,0 +1,18 @@
+{% block subject %}
+{{ "auth_code.mailer.subject"|trans({}, 'wallabag_user') }}
+{% endblock %}
+
+{% block body_html %}
+<p><b>{{ "auth_code.mailer.body.hello"|trans({'%user%': user}, 'wallabag_user') }}</b></p>
+
+<p>{{ "auth_code.mailer.body.content"|trans({'%code%': code}, 'wallabag_user') }}</p>
+
+<p>{{ "auth_code.mailer.body.signature"|trans({'%support%': support}, 'wallabag_user') }}</p>
+{% endblock %}
+
+{% block body_text %}
+{{ "auth_code.mailer.body.hello"|trans({'%user%': user}, 'wallabag_user') }}
+
+{{ "auth_code.mailer.body.content"|trans({'%code%': code}, 'wallabag_user') }}
+{{ "auth_code.mailer.body.signature"|trans({'%support%': support}, 'wallabag_user') }}
+{% endblock %}

src/Wallabag/UserBundle/Tests/Mailer/AuthCodeMailerTest.php

@@ -27,7 +27,7 @@ class AuthCodeMailerTest extends \PHPUnit_Framework_TestCase
 {
     protected $mailer;
     protected $spool;
-    protected $translator;
+    protected $twig;
 
     protected function setUp()
     {
@@ -38,12 +38,11 @@ class AuthCodeMailerTest extends \PHPUnit_Framework_TestCase
         );
         $this->mailer = new \Swift_Mailer($transport);
 
-        $this->translator = new Translator('en');
-        $this->translator->addLoader('array', new ArrayLoader());
-        $this->translator->addResource('array', array(
-            'auth_code.mailer.subject' => 'auth_code subject',
-            'auth_code.mailer.body' => 'Hi %user%, here is the code: %code% and the support: %support%',
-        ), 'en', 'wallabag_user');
+        $this->twig = new \Twig_Environment(new \Twig_Loader_Array(array('@WallabagUserBundle/Resources/views/TwoFactor/email_auth_code.html.twig' => '
+{% block subject %}subject{% endblock %}
+{% block body_html %}html body{% endblock %}
+{% block body_text %}text body{% endblock %}
+')));
     }
 
     public function testSendEmail()
@@ -56,7 +55,7 @@ class AuthCodeMailerTest extends \PHPUnit_Framework_TestCase
 
         $authCodeMailer = new AuthCodeMailer(
             $this->mailer,
-            $this->translator,
+            $this->twig,
             'nobody@test.io',
             'wallabag test',
             'http://0.0.0.0'
@@ -69,7 +68,8 @@ class AuthCodeMailerTest extends \PHPUnit_Framework_TestCase
         $msg = $this->spool->getMessages()[0];
         $this->assertArrayHasKey('test@wallabag.io', $msg->getTo());
         $this->assertEquals(array('nobody@test.io' => 'wallabag test'), $msg->getFrom());
-        $this->assertEquals('auth_code subject', $msg->getSubject());
-        $this->assertContains('Hi Bob, here is the code: 666666 and the support: http://0.0.0.0', $msg->toString());
+        $this->assertEquals('subject', $msg->getSubject());
+        $this->assertContains('text body', $msg->toString());
+        $this->assertContains('html body', $msg->toString());
     }
 }