diff --git a/file/lib/system/command/commands/InviteCommand.class.php b/file/lib/system/command/commands/InviteCommand.class.php
new file mode 100644
index 0000000..c0ef7e2
--- /dev/null
+++ b/file/lib/system/command/commands/InviteCommand.class.php
@@ -0,0 +1,69 @@
+<?php
+namespace chat\system\command\commands;
+use \wcf\data\user\User;
+use \wcf\system\WCF;
+
+/**
+ * Invites a user into a temproom.
+ *
+ * @author 	Tim Düsterhus
+ * @copyright	2010-2013 Tim Düsterhus
+ * @license	Creative Commons Attribution-NonCommercial-ShareAlike <http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode>
+ * @package	be.bastelstu.chat
+ * @subpackage	system.chat.command.commands
+ */
+class InviteCommand extends \chat\system\command\AbstractRestrictedCommand {
+	public $user = null;
+	public $link = '';
+	public $room = null;
+	
+	public function __construct(\chat\system\command\CommandHandler $commandHandler) {
+		parent::__construct($commandHandler);
+		
+		$username = rtrim($commandHandler->getParameters(), ',');
+		$this->user = User::getUserByUsername($username);
+		if (!$this->user->userID) throw new \chat\system\command\UserNotFoundException($username);
+		
+		$acl = \wcf\system\acl\ACLHandler::getInstance();
+		$permissions = $acl->getPermissions($acl->getObjectTypeID('be.bastelstu.chat.room'), array($this->room->roomID));
+		
+		$newPermission = array();
+		foreach ($permissions['options'] as $option) {
+			$newPermission[$option->optionID] = ($option->categoryName == 'user') ? 1 : 0;
+		}
+		
+		$_POST['aclValues'] = array(
+			'user' => $permissions['user'][$this->room->roomID],
+			'group' => $permissions['group'][$this->room->roomID]
+		);
+		$_POST['aclValues']['user'][$this->user->userID] = $newPermission;
+		
+		$acl->save($this->room->roomID, $acl->getObjectTypeID('be.bastelstu.chat.room'));
+		\chat\system\permission\PermissionHandler::clearCache();
+		$this->didInit();
+	}
+	
+	/**
+	 * @see	\chat\system\command\IRestrictedChatCommand::checkPermission()
+	 */
+	public function checkPermission() {
+		parent::checkPermission();
+		
+		$this->room = $this->commandHandler->getRoom();
+		if ($this->room->owner != WCF::getUser()->userID) throw new \wcf\system\exception\PermissionDeniedException();
+	}
+	
+	/**
+	 * @see	\chat\system\command\ICommand::getType()
+	 */
+	public function getType() {
+		return \chat\data\message\Message::TYPE_INFORMATION;
+	}
+	
+	/**
+	 * @see	\chat\system\command\ICommand::getMessage()
+	 */
+	public function getMessage() {
+		return 'invite derp';
+	}
+}
diff --git a/file/lib/system/command/commands/TemproomCommand.class.php b/file/lib/system/command/commands/TemproomCommand.class.php
index 881c33b..92a2f11 100644
--- a/file/lib/system/command/commands/TemproomCommand.class.php
+++ b/file/lib/system/command/commands/TemproomCommand.class.php
@@ -37,7 +37,8 @@ public function __construct(\chat\system\command\CommandHandler $commandHandler)
 		));
 		
 		// set permissions
-		$options = \wcf\data\acl\option\ACLOption::getOptions(\wcf\system\acl\ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.chat.room'))->getObjects();
+		$acl = \wcf\system\acl\ACLHandler::getInstance();
+		$options = $acl->getOptions($acl->getObjectTypeID('be.bastelstu.chat.room'))->getObjects();
 		$_POST['aclValues'] = array(
 			'user' => array(
 				// creators may do everything
@@ -49,7 +50,7 @@ public function __construct(\chat\system\command\CommandHandler $commandHandler)
 			)
 		);
 		
-		\wcf\system\acl\ACLHandler::getInstance()->save($roomID, \wcf\system\acl\ACLHandler::getInstance()->getObjectTypeID('be.bastelstu.chat.room'));
+		$acl->save($roomID, $acl->getObjectTypeID('be.bastelstu.chat.room'));
 		\chat\system\permission\PermissionHandler::clearCache();
 		$this->didInit();
 	}