Java tutorial
/* * Copyright 2013-2015 Erudika. http://erudika.com * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. * * For issues and patches go to: https://github.com/erudika */ package com.erudika.para.security; import com.erudika.para.utils.Config; import com.erudika.para.utils.Utils; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.security.web.PortResolver; import org.springframework.security.web.PortResolverImpl; import org.springframework.security.web.savedrequest.DefaultSavedRequest; import org.springframework.security.web.savedrequest.RequestCache; import org.springframework.security.web.savedrequest.SavedRequest; import org.springframework.security.web.util.matcher.AnyRequestMatcher; import org.springframework.security.web.util.matcher.RequestMatcher; /** * Simple cache implementation for saving authentication request. * @author Alex Bogdanovski [alex@erudika.com] */ public class SimpleRequestCache implements RequestCache { private final RequestMatcher anyRequestMatcher = AnyRequestMatcher.INSTANCE; private final RequestMatcher ajaxRequestMatcher = AjaxRequestMatcher.INSTANCE; private final PortResolver portResolver = new PortResolverImpl(); /** * Saves a request in cache. * @param request HTTP request * @param response HTTP response */ @Override public void saveRequest(HttpServletRequest request, HttpServletResponse response) { if (anyRequestMatcher.matches(request) && !ajaxRequestMatcher.matches(request)) { DefaultSavedRequest savedRequest = new DefaultSavedRequest(request, portResolver); Utils.setStateParam(Config.RETURNTO_COOKIE, Utils.base64enc(savedRequest.getRedirectUrl().getBytes()), request, response); } } /** * Returns a cached request. NOT USED! * @param request HTTP request * @param response HTTP response * @return null */ @Override public SavedRequest getRequest(HttpServletRequest request, HttpServletResponse response) { return null; } /** * Returns a matching request. NOT USED! * @param request HTTP request * @param response HTTP response * @return null */ @Override public HttpServletRequest getMatchingRequest(HttpServletRequest request, HttpServletResponse response) { return null; } /** * Removes a saved request from cache. * @param request HTTP request * @param response HTTP response */ @Override public void removeRequest(HttpServletRequest request, HttpServletResponse response) { Utils.removeStateParam(Config.RETURNTO_COOKIE, request, response); } }