Java tutorial
package org.owasp.webgoat.plugin.challenge1; import org.owasp.webgoat.assignments.AssignmentEndpoint; import org.owasp.webgoat.assignments.AssignmentPath; import org.owasp.webgoat.assignments.AttackResult; import org.owasp.webgoat.plugin.Flag; import org.springframework.util.StringUtils; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import javax.servlet.http.HttpServletRequest; import java.io.IOException; import static org.owasp.webgoat.plugin.SolutionConstants.PASSWORD; /** * ************************************************************************************************ * This file is part of WebGoat, an Open Web Application Security Project utility. For details, * please see http://www.owasp.org/ * <p> * Copyright (c) 2002 - 20014 Bruce Mayhew * <p> * 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. * <p> * 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. * <p> * 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. * <p> * Getting Source ============== * <p> * Source for this application is maintained at https://github.com/WebGoat/WebGoat, a repository for free software * projects. * <p> * * @author WebGoat * @version $Id: $Id * @since August 11, 2016 */ @AssignmentPath("/challenge/1") public class Assignment1 extends AssignmentEndpoint { @RequestMapping(method = RequestMethod.POST) public @ResponseBody AttackResult completed(@RequestParam String username, @RequestParam String password, HttpServletRequest request) throws IOException { boolean ipAddressKnown = true; boolean passwordCorrect = "admin".equals(username) && PASSWORD.equals(password); if (passwordCorrect && ipAddressKnown) { return success().feedback("challenge.solved").feedbackArgs(Flag.FLAGS.get(1)).build(); } else if (passwordCorrect) { return failed().feedback("ip.address.unknown").build(); } return failed().build(); } public static boolean containsHeader(HttpServletRequest request) { return StringUtils.hasText(request.getHeader("X-Forwarded-For")); } }