package my.util;import java.net.MalformedURLException;import java.net.URL;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.commons.beanutils.ConvertUtils;import org.apache.commons.lang.StringUtils;import org.apache.commons.lang.math.NumberUtils;/** * 用于处理HTTP请求的工具类 */public class RequestUtils {/** * 获取客户端IP地址，此方法用在proxy环境中 * @param req * @return */public static String getRemoteAddr(HttpServletRequest req) {String ip = req.getHeader("X-Forwarded-For");if(StringUtils.isNotBlank(ip)){String[] ips = StringUtils.split(ip,',');if(ips!=null){for(String tmpip : ips){if(StringUtils.isBlank(tmpip))continue;tmpip = tmpip.trim();if(isIPAddr(tmpip) && !tmpip.startsWith("10.") && !tmpip.startsWith("192.168.") && !"127.0.0.1".equals(tmpip)){return tmpip.trim();}}}}ip = req.getHeader("x-real-ip");if(isIPAddr(ip))return ip;ip = req.getRemoteAddr();if(ip.indexOf('.')==-1)ip = "127.0.0.1";return ip;}/** * 判断是否为搜索引擎 * @param req * @return */public static boolean isRobot(HttpServletRequest req){String ua = req.getHeader("user-agent");if(StringUtils.isBlank(ua)) return false;return (ua != null&& (ua.indexOf("Baiduspider") != -1 || ua.indexOf("Googlebot") != -1|| ua.indexOf("sogou") != -1|| ua.indexOf("sina") != -1|| ua.indexOf("iaskspider") != -1|| ua.indexOf("ia_archiver") != -1|| ua.indexOf("Sosospider") != -1|| ua.indexOf("YoudaoBot") != -1|| ua.indexOf("yahoo") != -1 || ua.indexOf("yodao") != -1|| ua.indexOf("MSNBot") != -1|| ua.indexOf("spider") != -1|| ua.indexOf("Twiceler") != -1|| ua.indexOf("Sosoimagespider") != -1|| ua.indexOf("naver.com/robots") != -1|| ua.indexOf("Nutch") != -1|| ua.indexOf("spider") != -1));}/** * 获取COOKIE * * @param name */public static Cookie getCookie(HttpServletRequest request, String name) {Cookie[] cookies = request.getCookies();if(cookies == null)return null;for (Cookie ck : cookies) {if (StringUtils.equalsIgnoreCase(name,ck.getName())) return ck;}return null;}/** * 获取COOKIE * * @param name */public static String getCookieValue(HttpServletRequest request, String name) {Cookie[] cookies = request.getCookies();if(cookies == null)return null;for (Cookie ck : cookies) {if (StringUtils.equalsIgnoreCase(name,ck.getName())) return ck.getValue();}return null;}/** * 设置COOKIE * * @param name * @param value * @param maxAge */public static void setCookie(HttpServletRequest request, HttpServletResponse response, String name,String value, int maxAge) {setCookie(request,response,name,value,maxAge,true);}/** * 设置COOKIE * * @param name * @param value * @param maxAge */public static void setCookie(HttpServletRequest request, HttpServletResponse response, String name,String value, int maxAge, boolean all_sub_domain) {Cookie cookie = new Cookie(name, value);cookie.setMaxAge(maxAge);if(all_sub_domain){String serverName = request.getServerName();String domain = getDomainOfServerName(serverName);if(domain!=null && domain.indexOf('.')!=-1){cookie.setDomain('.' + domain);}}cookie.setPath("/");response.addCookie(cookie);}public static void deleteCookie(HttpServletRequest request,HttpServletResponse response, String name, boolean all_sub_domain) {setCookie(request,response,name,"",0,all_sub_domain);}/** * 获取用户访问URL中的根域名 * 例如: www.dlog.cn -> dlog.cn * @param req * @return */public static String getDomainOfServerName(String host){if(isIPAddr(host))return null;String[] names = StringUtils.split(host, '.');int len = names.length;if(len==1) return null;if(len==3){return makeup(names[len-2],names[len-1]);}if(len>3){String dp = names[len-2];if(dp.equalsIgnoreCase("com")||dp.equalsIgnoreCase("gov")||dp.equalsIgnoreCase("net")||dp.equalsIgnoreCase("edu")||dp.equalsIgnoreCase("org"))return makeup(names[len-3],names[len-2],names[len-1]);elsereturn makeup(names[len-2],names[len-1]);}return host;}/** * 判断字符串是否是一个IP地址 * @param addr * @return */public static boolean isIPAddr(String addr){if(StringUtils.isEmpty(addr))return false;String[] ips = StringUtils.split(addr, '.');if(ips.length != 4)return false;try{int ipa = Integer.parseInt(ips[0]);int ipb = Integer.parseInt(ips[1]);int ipc = Integer.parseInt(ips[2]);int ipd = Integer.parseInt(ips[3]);return ipa >= 0 && ipa <= 255 && ipb >= 0 && ipb <= 255 && ipc >= 0&& ipc <= 255 && ipd >= 0 && ipd <= 255;}catch(Exception e){}return false;}private static String makeup(String...ps){StringBuilder s = new StringBuilder();for(int idx = 0; idx < ps.length; idx++){if(idx > 0)s.append('.');s.append(ps[idx]);}return s.toString();}/** * 获取HTTP端口 * @param req * @return * @throws MalformedURLException */public static int getHttpPort(HttpServletRequest req) {try {return new URL(req.getRequestURL().toString()).getPort();} catch (MalformedURLException excp) {return 80;}}/** * 获取浏览器提交的整形参数 * @param param * @param defaultValue * @return */public static int getParam(HttpServletRequest req, String param, int defaultValue){return NumberUtils.toInt(req.getParameter(param), defaultValue);}/** * 获取浏览器提交的整形参数 * @param param * @param defaultValue * @return */public static long getParam(HttpServletRequest req, String param, long defaultValue){return NumberUtils.toLong(req.getParameter(param), defaultValue);}public static long[] getParamValues(HttpServletRequest req, String name){String[] values = req.getParameterValues(name);if(values==null) return null;return (long[])ConvertUtils.convert(values, long.class);}/** * 获取浏览器提交的字符串参�? * @param param * @param defaultValue * @return */public static String getParam(HttpServletRequest req, String param, String defaultValue){String value = req.getParameter(param);return (StringUtils.isEmpty(value))?defaultValue:value;}}
