From faf9e8462638a05167bdf3583788360e4e418607 Mon Sep 17 00:00:00 2001
From: Rick Lawson <lawson89@gmail.com>
Date: Wed, 17 Sep 2014 07:54:37 -0400
Subject: [PATCH] WEB-136 Lesson Restart

add service
---
 .../webgoat/service/RestartLessonService.java | 59 +++++++++++++++++++
 .../org/owasp/webgoat/session/WebSession.java |  2 +-
 2 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/org/owasp/webgoat/service/RestartLessonService.java

diff --git a/src/main/java/org/owasp/webgoat/service/RestartLessonService.java b/src/main/java/org/owasp/webgoat/service/RestartLessonService.java
new file mode 100644
index 000000000..1f0c994ed
--- /dev/null
+++ b/src/main/java/org/owasp/webgoat/service/RestartLessonService.java
@@ -0,0 +1,59 @@
+/***************************************************************************************************
+ * 
+ * 
+ * This file is part of WebGoat, an Open Web Application Security Project utility. For details,
+ * please see http://www.owasp.org/
+ * 
+ * Copyright (c) 2002 - 20014 Bruce Mayhew
+ * 
+ * This program is free software; you can redistribute it and/or modify it under the terms of the
+ * GNU General Public License as published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
+ * even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along with this program; if
+ * not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA.
+ * 
+ * Getting Source ==============
+ * 
+ * Source for this application is maintained at https://github.com/WebGoat/WebGoat, a repository for free software
+ * projects.
+ * 
+ * For details, please see http://webgoat.github.io
+ */
+package org.owasp.webgoat.service;
+
+import javax.servlet.http.HttpSession;
+import org.owasp.webgoat.session.WebSession;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+/**
+ *
+ * @author rlawson
+ */
+@Controller
+public class RestartLessonService extends BaseService {
+
+    /**
+     * Returns current lesson
+     *
+     * @param session
+     * @return
+     */
+    @RequestMapping(value = "/restartlesson.mvc", produces = "text/text")
+    public @ResponseBody
+    String restartLesson(HttpSession session) {
+        WebSession ws = getWebSession(session);
+        int currentScreen = ws.getCurrentScreen();
+        if(currentScreen > 0){
+            ws.restartLesson(currentScreen);
+        }
+        return ws.getCurrentLesson().getLink();
+    }
+}
diff --git a/src/main/java/org/owasp/webgoat/session/WebSession.java b/src/main/java/org/owasp/webgoat/session/WebSession.java
index 5fba2bbf1..7bf0922f4 100644
--- a/src/main/java/org/owasp/webgoat/session/WebSession.java
+++ b/src/main/java/org/owasp/webgoat/session/WebSession.java
@@ -939,7 +939,7 @@ public class WebSession {
         }
     }
 
-    private void restartLesson(int lessonId) {
+    public void restartLesson(int lessonId) {
         AbstractLesson al = getLesson(lessonId);
         System.out.println("Restarting lesson: " + al);
         al.getLessonTracker(this).setCompleted(false);