From 5c8dc3b07bc3ad128975f7378744be58037b42ef Mon Sep 17 00:00:00 2001
From: =?utf8?q?Tim=20D=C3=BCsterhus?= <duesterhus@woltlab.com>
Date: Wed, 17 Feb 2021 11:34:19 +0100
Subject: [PATCH] Add PoC event listeners for authentication events

---
 com.woltlab.wcf/eventListener.xml             | 12 +++++++
 ...oggedInEmailNotificationListener.class.php | 31 +++++++++++++++++++
 ...cceededEmailNotificationListener.class.php | 31 +++++++++++++++++++
 3 files changed, 74 insertions(+)
 create mode 100644 wcfsetup/install/files/lib/system/event/listener/UserLoggedInEmailNotificationListener.class.php
 create mode 100644 wcfsetup/install/files/lib/system/event/listener/UserMultifactorSucceededEmailNotificationListener.class.php

diff --git a/com.woltlab.wcf/eventListener.xml b/com.woltlab.wcf/eventListener.xml
index e7beec0941..a3fddcea1a 100644
--- a/com.woltlab.wcf/eventListener.xml
+++ b/com.woltlab.wcf/eventListener.xml
@@ -39,5 +39,17 @@
 			<listenerclassname>wcf\system\event\listener\UserLinkHtmlInputNodeProcessorListener</listenerclassname>
 			<environment>all</environment>
 		</eventlistener>
+		<eventlistener name="userLoggedInEmailNotification">
+			<eventclassname>wcf\system\user\authentication\UserLoggedIn</eventclassname>
+			<eventname>:default</eventname>
+			<listenerclassname>wcf\system\event\listener\UserLoggedInEmailNotificationListener</listenerclassname>
+			<environment>all</environment>
+		</eventlistener>
+		<eventlistener name="userMultifactorSucceededEmailNotification">
+			<eventclassname>wcf\system\user\authentication\UserMultifactorSucceeded</eventclassname>
+			<eventname>:default</eventname>
+			<listenerclassname>wcf\system\event\listener\UserMultifactorSucceededEmailNotificationListener</listenerclassname>
+			<environment>all</environment>
+		</eventlistener>
 	</import>
 </data>
diff --git a/wcfsetup/install/files/lib/system/event/listener/UserLoggedInEmailNotificationListener.class.php b/wcfsetup/install/files/lib/system/event/listener/UserLoggedInEmailNotificationListener.class.php
new file mode 100644
index 0000000000..7d8ce0668d
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/event/listener/UserLoggedInEmailNotificationListener.class.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace wcf\system\event\listener;
+
+use wcf\system\email\SimpleEmail;
+use wcf\system\user\authentication\UserLoggedIn;
+
+/**
+ * Sends a notification email when the user logs in.
+ *
+ * @author  Tim Duesterhus
+ * @copyright   2001-2021 WoltLab GmbH
+ * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package WoltLabSuite\Core\System\Event\Listener
+ */
+final class UserLoggedInEmailNotificationListener implements IParameterizedEventListener
+{
+    /**
+     * @inheritDoc
+     * @param UserLoggedIn $eventObj
+     */
+    public function execute($eventObj, $className, $eventName, array &$parameters)
+    {
+        $email = new SimpleEmail();
+        $email->setRecipient($eventObj->getUser());
+        $email->setSubject("You logged in");
+        $email->setMessage("You logged in");
+        $email->setHtmlMessage("You logged in");
+        $email->send();
+    }
+}
diff --git a/wcfsetup/install/files/lib/system/event/listener/UserMultifactorSucceededEmailNotificationListener.class.php b/wcfsetup/install/files/lib/system/event/listener/UserMultifactorSucceededEmailNotificationListener.class.php
new file mode 100644
index 0000000000..17cac351ef
--- /dev/null
+++ b/wcfsetup/install/files/lib/system/event/listener/UserMultifactorSucceededEmailNotificationListener.class.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace wcf\system\event\listener;
+
+use wcf\system\email\SimpleEmail;
+use wcf\system\user\authentication\UserMultifactorSucceeded;
+
+/**
+ * Sends a notification email when the user performs MF authentication.
+ *
+ * @author  Tim Duesterhus
+ * @copyright   2001-2021 WoltLab GmbH
+ * @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
+ * @package WoltLabSuite\Core\System\Event\Listener
+ */
+final class UserMultifactorSucceededEmailNotificationListener implements IParameterizedEventListener
+{
+    /**
+     * @inheritDoc
+     * @param UserMultifactorSucceeded $eventObj
+     */
+    public function execute($eventObj, $className, $eventName, array &$parameters)
+    {
+        $email = new SimpleEmail();
+        $email->setRecipient($eventObj->getUser());
+        $email->setSubject("You performed MFA with {$eventObj->getSetup()->getObjectType()->objectType}");
+        $email->setMessage("You performed MFA with {$eventObj->getSetup()->getObjectType()->objectType}");
+        $email->setHtmlMessage("You performed MFA with {$eventObj->getSetup()->getObjectType()->objectType}");
+        $email->send();
+    }
+}
-- 
2.20.1