Added service for fetching the title of a lesson

src/main/java/org/owasp/webgoat/service/LessonTitleService.java

@@ -0,0 +1,40 @@
+package org.owasp.webgoat.service;
+
+import javax.servlet.http.HttpSession;
+
+import org.owasp.webgoat.lessons.AbstractLesson;
+import org.owasp.webgoat.session.Course;
+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;
+
+@Controller
+public class LessonTitleService extends BaseService {
+	
+	 /**
+     * Returns the title for the current attack
+     *
+     * @param session
+     * @return
+     */
+    @RequestMapping(value = "/lessontitle.mvc", produces = "application/html")
+    public @ResponseBody
+    String showPlan(HttpSession session) {
+        WebSession ws = getWebSession(session);
+        return getLessonTitle(ws);
+    }
+
+    private String getLessonTitle(WebSession s) {
+    	String title = "";
+        int scr = s.getCurrentScreen();
+        Course course = s.getCourse();
+
+        if (s.isUser() || s.isChallenge()) {
+            AbstractLesson lesson = course.getLesson(s, scr, AbstractLesson.USER_ROLE);
+            title = lesson != null ? lesson.getTitle() : "";
+        }
+        return title;
+    }
+
+}