Synnefo

/*

 * Copyright 2010 Electronic Business Systems Ltd.

 *

 * This file is part of GSS.

 *

 * GSS 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 3 of the License, or

 * (at your option) any later version.

 *

 * GSS 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 GSS.  If not, see <http://www.gnu.org/licenses/>.

 */

package gr.ebs.gss.server;

import static gr.ebs.gss.server.configuration.GSSConfigurationFactory.getConfiguration;

import gr.ebs.gss.client.exceptions.RpcException;

import gr.ebs.gss.server.domain.Invitation;

import gr.ebs.gss.server.domain.User;

import java.io.IOException;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

/**

 * The servlet that handles coupons for quota upgrades.

 *

 * @author past

 */

public class CouponHandler extends BaseServlet {

        /**

         * The request parameter name for the coupon code.

         */

        private static final String CODE_PARAM = "code";

        /**

         * The serial version UID of the class.

         */

        private static final long serialVersionUID = 1L;

        /**

         * The logger.

         */

        private static Log logger = LogFactory.getLog(CouponHandler.class);

        @Override

        public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {

                response.sendRedirect("coupon.jsp");

        }

        @Override

        public void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {

                String code = request.getParameter(CODE_PARAM);

                response.setContentType("text/html");

                // Validate input parameters.

                if (code == null || code.isEmpty()) {

                        response.sendRedirect("coupon.jsp?error=" + encode("No code was specified"));

                        return;

                }

                try {

                        Invitation invite = getService().findInvite(code);

                        if (invite == null) {

                                response.sendRedirect("coupon.jsp?code=&error=" + encode("The specified code was not found"));

                                return;

                        }

                        String firstname = invite.getFirstname() == null? "": invite.getFirstname();

                        String lastname = invite.getLastname() == null? "": invite.getLastname();

                        String email = invite.getEmail() == null? "": invite.getEmail();

                        Object usernameAttr = request.getAttribute("REMOTE_USER");

                        if (getConfiguration().getString("testUsername") != null)

                                usernameAttr = getConfiguration().getString("testUsername");

                        if (usernameAttr == null) {

                                Object nameAttr = request.getAttribute("HTTP_SHIB_INETORGPERSON_DISPLAYNAME");

                                Object givennameAttr = request.getAttribute("HTTP_SHIB_INETORGPERSON_GIVENNAME"); // Multi-valued

                                Object cnAttr = request.getAttribute("HTTP_SHIB_PERSON_COMMONNAME"); // Multi-valued

                                Object snAttr = request.getAttribute("HTTP_SHIB_PERSON_SURNAME"); // Multi-valued

                                Object mailAttr = request.getAttribute("HTTP_SHIB_INETORGPERSON_MAIL"); // Multi-valued

                                Object userclassAttr = request.getAttribute("HTTP_SHIB_EP_UNSCOPEDAFFILIATION"); // Multi-valued

                                String authErrorUrl = "authenticationError.jsp";

                                authErrorUrl += "?name=" + (nameAttr==null? "-": nameAttr.toString());

                                authErrorUrl += "&givenname=" + (givennameAttr==null? "-": givennameAttr.toString());

                                authErrorUrl += "&sn=" + (snAttr==null? "-": snAttr.toString());

                                authErrorUrl += "&cn=" + (cnAttr==null? "-": cnAttr.toString());

                                authErrorUrl += "&mail=" + (mailAttr==null? "-": mailAttr.toString());

                                authErrorUrl += "&userclass=" + (userclassAttr==null? "-": userclassAttr.toString());

                                response.sendRedirect(authErrorUrl);

                                return;

                        }

                        String username = decodeAttribute(usernameAttr);

                        User user;

                        try {

                                user = getService().findUser(username);

                                if (user == null) {

                                        handleException(response, encode("Your user account was not found!"));

                                        return;

                                }

                        } catch (RpcException e) {

                                String error = "An error occurred while communicating with the service";

                                logger.error(error, e);

                                handleException(response, encode(error));

                                return;

                        }

                        response.sendRedirect("couponSubmission.jsp?firstname=" +

                                        encode(firstname) +        "&lastname=" + encode(lastname) +

                                        "&email=" + encode(email) + "&code=" + encode(code) +

                                        "&username=" + encode(username));

                } catch (RpcException e) {

                        logger.error(e);

                        handleException(response, encode("An error occurred while communicating with the service"));

                }

        }

        private void handleException(HttpServletResponse response, String error) throws IOException {

                String errorUrl = "coupon.jsp?error=" + error;

                response.sendRedirect(errorUrl);

        }

}