Java tutorial
/* * Copyright 1998-2012 Linux.org.ru * 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. */ package ru.org.linux.auth; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.ServletRequestUtils; 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.servlet.ModelAndView; import org.springframework.web.servlet.view.RedirectView; import ru.org.linux.site.Template; import ru.org.linux.user.User; import ru.org.linux.user.UserErrorException; import javax.servlet.http.HttpServletRequest; import java.net.URLEncoder; import java.sql.Timestamp; import java.util.Calendar; import java.util.Date; @Controller public class BanIPController { private IPBlockDao ipBlockDao; @Autowired public void setIpBlockDao(IPBlockDao ipBlockDao) { this.ipBlockDao = ipBlockDao; } @RequestMapping(value = "/banip.jsp", method = RequestMethod.POST) public ModelAndView banIP(HttpServletRequest request, @RequestParam("ip") String ip, @RequestParam("reason") String reason, @RequestParam("time") String time, @RequestParam(value = "allow_posting", required = false, defaultValue = "false") boolean allowPosting, @RequestParam(value = "captcha_required", required = false, defaultValue = "false") boolean captchaRequired) throws Exception { Template tmpl = Template.getTemplate(request); if (!tmpl.isModeratorSession()) { throw new IllegalAccessException("Not authorized"); } Calendar calendar = Calendar.getInstance(); calendar.setTime(new Date()); if ("hour".equals(time)) { calendar.add(Calendar.HOUR_OF_DAY, 1); } else if ("day".equals(time)) { calendar.add(Calendar.DAY_OF_MONTH, 1); } else if ("month".equals(time)) { calendar.add(Calendar.MONTH, 1); } else if ("3month".equals(time)) { calendar.add(Calendar.MONTH, 3); } else if ("6month".equals(time)) { calendar.add(Calendar.MONTH, 6); } else if ("remove".equals(time)) { } else if ("custom".equals(time)) { int days = ServletRequestUtils.getRequiredIntParameter(request, "ban_days"); if (days <= 0 || days > 180) { throw new UserErrorException("Invalid days count"); } calendar.add(Calendar.DAY_OF_MONTH, days); } Timestamp ts; if ("unlim".equals(time)) { ts = null; } else { ts = new Timestamp(calendar.getTimeInMillis()); } User user = tmpl.getCurrentUser(); user.checkCommit(); ipBlockDao.blockIP(ip, user, reason, ts, allowPosting, captchaRequired); return new ModelAndView(new RedirectView("sameip.jsp?ip=" + URLEncoder.encode(ip, "UTF-8"))); } }