Send activation email when user is registered

Author: carlbennett

etc/config.sample.json

@@ -41,9 +41,12 @@
     }
   },
   "email": {
+    "recipient_from": "",
+    "recipient_reply_to": "",
     "smtp_host": "smtp.example.com",
     "smtp_password": "",
     "smtp_port": 587,
+    "smtp_tls": true,
     "smtp_user": ""
   },
   "memcache": {

src/controllers/User/Register.php

@@ -16,8 +16,12 @@
 use \CarlBennett\MVC\Libraries\Common;
 use \CarlBennett\MVC\Libraries\Controller;
 use \CarlBennett\MVC\Libraries\Router;
+use \CarlBennett\MVC\Libraries\Template;
 use \CarlBennett\MVC\Libraries\View;
 
+use \PHPMailer\PHPMailer\Exception;
+use \PHPMailer\PHPMailer\PHPMailer;
+
 class Register extends Controller {
 
   public function &run(Router &$router, View &$view, array &$args) {
@@ -136,7 +140,7 @@ protected function tryRegister(Router &$router, UserRegisterModel &$model) {
         return;
       }
     } catch (UserNotFoundException $e) {}
-    
+
     try {
       if (User::findIdByUsername($username)) {
         $model->error = "USERNAME_TAKEN";
@@ -158,6 +162,68 @@ protected function tryRegister(Router &$router, UserRegisterModel &$model) {
 
     }
 
+    if ($success) {
+      $mail = new PHPMailer( true ); // true enables exceptions
+      $mail_config = Common::$config->email;
+
+      try {
+        //Server settings
+        $mail->Timeout = 10; // default is 300 per RFC2821 $ 4.5.3.2
+        $mail->SMTPDebug = 0;
+        $mail->isSMTP();
+        $mail->Host       = $mail_config->smtp_host;
+        $mail->SMTPAuth   = !empty($mail_config->smtp_user);
+        $mail->Username   = $mail_config->smtp_user;
+        $mail->Password   = $mail_config->smtp_password;
+        $mail->SMTPSecure = $mail_config->smtp_tls ? 'tls' : '';
+        $mail->Port       = $mail_config->smtp_port;
+
+        //Recipients
+        if (!empty($mail_config->recipient_from)) {
+          $mail->setFrom($mail_config->recipient_from, 'BNETDocs');
+        }
+
+        $mail->addAddress($email);
+
+        if (!empty($mail_config->recipient_reply_to)) {
+          $mail->addReplyTo($mail_config->recipient_reply_to);
+        }
+
+        // Content
+        $mail->isHTML(true);
+        $mail->Subject = 'Account Activation';
+        $mail->CharSet = PHPMailer::CHARSET_UTF8;
+
+        ob_start();
+        (new Template($mail, 'Email/User/Register.rich'))->render();
+        $mail->Body = ob_get_clean();
+
+        ob_start();
+        (new Template($mail, 'Email/User/Register.plain'))->render();
+        $mail->AltBody = ob_get_clean();
+
+        $mail->send();
+
+        Logger::logEvent(
+          EventTypes::EMAIL_SENT,
+          null,
+          getenv('REMOTE_ADDR'),
+          json_encode([
+            'from' => $mail->From,
+            'to' => $mail->getToAddresses(),
+            'reply_to' => $mail->getReplyToAddresses(),
+            'subject' => $mail->Subject,
+            'content_type' => $mail->ContentType,
+            'body' => $mail->Body,
+            'alt_body' => $mail->AltBody,
+          ])
+        );
+
+      } catch (\Exception $e) {
+        $model->error = "EMAIL_FAILURE";
+      }
+    }
+
     if (!$success) {
       $model->error = "INTERNAL_ERROR";
     } else {

src/templates/User/Register.phtml

@@ -74,6 +74,10 @@ switch ($this->getContext()->error) {
     $af      = "username";
     $message = "That username is taken, try another.";
     break;
+  case "EMAIL_FAILURE":
+    $af      = "email";
+    $message = "Your account was created, but the email failed to send.";
+    break;
   case "INTERNAL_ERROR":
     $af      = null;
     $message = "An internal error occurred while processing your request. "