2014-06-03 15:41:50 -04:00

393 lines
13 KiB
Java

package org.owasp.webgoat.session;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Set;
import java.util.Vector;
import java.util.LinkedList;
import javax.servlet.ServletContext;
import org.owasp.webgoat.HammerHead;
import org.owasp.webgoat.lessons.AbstractLesson;
import org.owasp.webgoat.lessons.Category;
/**
* *************************************************************************************************
*
*
* This file is part of WebGoat, an Open Web Application Security Project
* utility. For details, please see http://www.owasp.org/
*
* Copyright (c) 2002 - 2007 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 code.google.com, a repository
* for free software projects.
*
* For details, please see http://code.google.com/p/webgoat/
*
* @author Bruce Mayhew <a href="http://code.google.com/p/webgoat">WebGoat</a>
* @created October 28, 2003
*/
public class Course {
private List<AbstractLesson> lessons = new LinkedList<AbstractLesson>();
private final static String PROPERTIES_FILENAME = HammerHead.propertiesPath;
private WebgoatProperties properties = null;
private List<String> files = new LinkedList<String>();
private WebgoatContext webgoatContext;
public Course() {
try {
properties = new WebgoatProperties(PROPERTIES_FILENAME);
} catch (IOException e) {
System.out.println("Error loading WebGoat properties");
e.printStackTrace();
}
}
/**
* Take an absolute file and return the filename.
*
* Ex. /etc/password becomes password
*
* @param s
* @return the file name
*/
private static String getFileName(String s) {
String fileName = new File(s).getName();
if (fileName.indexOf("/") != -1) {
fileName = fileName.substring(fileName.lastIndexOf("/"), fileName.length());
}
if (fileName.indexOf(".") != -1) {
fileName = fileName.substring(0, fileName.indexOf("."));
}
return fileName;
}
/**
* Take a class name and return the equivalent file name
*
* Ex. org.owasp.webgoat becomes org/owasp/webgoat.java
*
* @param className
* @return
*/
private static String getSourceFile(String className) {
StringBuffer sb = new StringBuffer();
sb.append(className.replace(".", "/"));
sb.append(".java");
return sb.toString();
}
/**
* Takes a file name and builds the class file name
*
* @param fileName Description of the Parameter
* @param path Description of the Parameter
* @return Description of the Return Value
*/
private static String getClassFile(String fileName, String path) {
String ext = ".class";
fileName = fileName.trim();
/**
* We do not handle directories. We do not handle files with different
* extensions
*/
if (fileName.endsWith("/") || !fileName.endsWith(ext)) {
return null;
}
// if the file is in /WEB-INF/classes strip the dir info off
int index = fileName.indexOf("/WEB-INF/classes/");
if (index != -1) {
fileName = fileName.substring(index + "/WEB-INF/classes/".length(), fileName.length() - ext.length());
fileName = fileName.replace('/', '.');
fileName = fileName.replace('\\', '.');
} else {
// Strip off the leading path info
fileName = fileName.substring(path.length(), fileName.length() - ext.length());
}
return fileName;
}
/**
* Gets the categories attribute of the Course object
*
* @return The categories value
*/
public List getCategories() {
List<Category> categories = new ArrayList<Category>();
Iterator iter = lessons.iterator();
while (iter.hasNext()) {
AbstractLesson lesson = (AbstractLesson) iter.next();
if (!categories.contains(lesson.getCategory())) {
categories.add(lesson.getCategory());
}
}
Collections.sort(categories);
return categories;
}
/**
* Gets the firstLesson attribute of the Course object
*
* @return The firstLesson value
*/
public AbstractLesson getFirstLesson() {
List<String> roles = new ArrayList<String>();
roles.add(AbstractLesson.USER_ROLE);
// Category 0 is the admin function. We want the first real category
// to be returned. This is noramally the General category and the Http Basics lesson
return ((AbstractLesson) getLessons((Category) getCategories().get(0), roles).get(0));
}
/**
* Gets the lesson attribute of the Course object
*
* @param lessonId Description of the Parameter
* @param role Description of the Parameter
* @return The lesson value
*/
public AbstractLesson getLesson(WebSession s, int lessonId, List<String> roles) {
if (s.isHackedAdmin()) {
roles.add(AbstractLesson.HACKED_ADMIN_ROLE);
}
// System.out.println("getLesson() with roles: " + roles);
Iterator<AbstractLesson> iter = lessons.iterator();
while (iter.hasNext()) {
AbstractLesson lesson = iter.next();
// System.out.println("getLesson() at role: " + lesson.getRole());
if (lesson.getScreenId() == lessonId && roles.contains(lesson.getRole())) {
return lesson;
}
}
return null;
}
public AbstractLesson getLesson(WebSession s, int lessonId, String role) {
List<String> roles = new Vector<String>();
roles.add(role);
return getLesson(s, lessonId, roles);
}
public List getLessons(WebSession s, String role) {
List<String> roles = new Vector<String>();
roles.add(role);
return getLessons(s, roles);
}
/**
* Gets the lessons attribute of the Course object
*
* @param role Description of the Parameter
* @return The lessons value
*/
public List<AbstractLesson> getLessons(WebSession s, List<String> roles) {
if (s.isHackedAdmin()) {
roles.add(AbstractLesson.HACKED_ADMIN_ROLE);
}
List<AbstractLesson> lessonList = new ArrayList<AbstractLesson>();
Iterator categoryIter = getCategories().iterator();
while (categoryIter.hasNext()) {
lessonList.addAll(getLessons(s, (Category) categoryIter.next(), roles));
}
return lessonList;
}
/**
* Gets the lessons attribute of the Course object
*
* @param category Description of the Parameter
* @param role Description of the Parameter
* @return The lessons value
*/
private List<AbstractLesson> getLessons(Category category, List roles) {
List<AbstractLesson> lessonList = new ArrayList<AbstractLesson>();
Iterator iter = lessons.iterator();
while (iter.hasNext()) {
AbstractLesson lesson = (AbstractLesson) iter.next();
if (lesson.getCategory().equals(category) && roles.contains(lesson.getRole())) {
lessonList.add(lesson);
}
}
Collections.sort(lessonList);
// System.out.println(java.util.Arrays.asList(lessonList));
return lessonList;
}
public List getLessons(WebSession s, Category category, String role) {
List<String> roles = new Vector<String>();
roles.add(role);
return getLessons(s, category, roles);
}
public List<AbstractLesson> getLessons(WebSession s, Category category, List<String> roles) {
if (s.isHackedAdmin()) {
roles.add(AbstractLesson.HACKED_ADMIN_ROLE);
}
return getLessons(category, roles);
}
/**
* Load all of the filenames into a temporary cache
*
* @param context
* @param path
*/
private void loadFiles(ServletContext context, String path) {
Set resourcePaths = context.getResourcePaths(path);
Iterator itr = resourcePaths.iterator();
while (itr.hasNext()) {
String file = (String) itr.next();
if (file.length() != 1 && file.endsWith("/")) {
loadFiles(context, file);
} else {
files.add(file);
}
}
}
/**
* Instantiate all the lesson objects into a cache
*
* @param path
*/
private void loadLessons(String path) {
Iterator itr = files.iterator();
while (itr.hasNext()) {
String file = (String) itr.next();
String className = getClassFile(file, path);
if (className != null && !className.endsWith("_i")) {
try {
Class c = Class.forName(className);
Object o = c.newInstance();
if (o instanceof AbstractLesson) {
AbstractLesson lesson = (AbstractLesson) o;
lesson.setWebgoatContext(webgoatContext);
lesson.update(properties);
if (lesson.getHidden() == false) {
lessons.add(lesson);
}
}
} catch (Exception e) {
// System.out.println("Warning: " + e.getMessage());
}
}
}
}
private String getLanguageFromFileName(String first, String absoluteFile) {
int p1 = absoluteFile.indexOf("/", absoluteFile.indexOf(first) + 1);
int p2 = absoluteFile.indexOf("/", p1 + 1);
String langStr = absoluteFile.substring(p1 + 1, p2);
return new String(langStr);
}
/**
* For each lesson, set the source file and lesson file
*/
private void loadResources() {
Iterator lessonItr = lessons.iterator();
while (lessonItr.hasNext()) {
AbstractLesson lesson = (AbstractLesson) lessonItr.next();
String className = lesson.getClass().getName();
String classFile = getSourceFile(className);
Iterator fileItr = files.iterator();
while (fileItr.hasNext()) {
String absoluteFile = (String) fileItr.next();
String fileName = getFileName(absoluteFile);
// System.out.println("Course: looking at file: " + absoluteFile);
if (absoluteFile.endsWith(classFile)) {
// System.out.println("Set source file for " + classFile);
lesson.setSourceFileName(absoluteFile);
}
if (absoluteFile.startsWith("/lesson_plans") && absoluteFile.endsWith(".html")
&& className.endsWith(fileName)) {
// System.out.println("DEBUG: setting lesson plan file " + absoluteFile + " for
// lesson " +
// lesson.getClass().getName());
// System.out.println("fileName: " + fileName + " == className: " + className );
String language = getLanguageFromFileName("/lesson_plans", absoluteFile);
lesson.setLessonPlanFileName(language, absoluteFile);
this.webgoatContext.getWebgoatI18N().loadLanguage(language);
}
if (absoluteFile.startsWith("/lesson_solutions") && absoluteFile.endsWith(".html")
&& className.endsWith(fileName)) {
// System.out.println("DEBUG: setting lesson solution file " + absoluteFile + "
// for lesson " +
// lesson.getClass().getName());
// System.out.println("fileName: " + fileName + " == className: " + className );
lesson.setLessonSolutionFileName(absoluteFile);
}
}
}
}
/**
* Description of the Method
*
* @param path Description of the Parameter
* @param context Description of the Parameter
*/
public void loadCourses(WebgoatContext webgoatContext, ServletContext context, String path) {
this.webgoatContext = webgoatContext;
loadFiles(context, path);
loadLessons(path);
loadResources();
}
}