1.配置拦截器
这里使用全局拦截：
拦截器LoginInterceptor代码：
package com.nps.base.filter;import java.io.IOException;import java.util.Enumeration;import java.util.HashMap;import java.util.Map;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.slf4j.Logger;import org.slf4j.LoggerFactory;import org.springframework.web.servlet.HandlerInterceptor;import org.springframework.web.servlet.ModelAndView;import com.nps.utils.IpInterceptUtils; /** * 验证拦截器 * @author HUANG */public class LoginInterceptor implements HandlerInterceptor {private final static Logger logger = LoggerFactory .getLogger(LoginInterceptor.class);@Overridepublic void afterCompletion(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, Exception arg3) throws Exception {}@Overridepublic void postHandle(HttpServletRequest arg0, HttpServletResponse arg1, Object arg2, ModelAndView arg3) throws Exception {}@Overridepublic boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception { String ip = getIpAddress(request); if (IpInterceptUtils.chickIpBreak(ip)) { return false; } Map map = getParameterMap(request);// 获取url中的所有参数 String servletUrl = request.getServletPath();// servlet地址 String url = getRealUrl(servletUrl, map); if (url.indexOf("/user/") == 0) { Object user = request.getSession().getAttribute("User"); if (user == null) { // System.out.println("尚未登录，调到登录页面"); response.sendRedirect(request.getContextPath() + "/loginOut.do"); return false; } } return true;}/** * 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址; * * @param request * @return * @throws IOException */public final static String getIpAddress(HttpServletRequest request) throws IOException { // 获取请求主机IP地址,如果通过代理进来，则透过防火墙获取真实IP地址 String ip = request.getHeader("X-Forwarded-For"); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - X-Forwarded-For - String ip=" // + ip); // } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("Proxy-Client-IP"); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - Proxy-Client-IP - String ip=" // + ip); // } } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("WL-Proxy-Client-IP"); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - WL-Proxy-Client-IP - String ip=" // + ip); // } } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_CLIENT_IP"); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - HTTP_CLIENT_IP - String ip=" // + ip); // } } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getHeader("HTTP_X_FORWARDED_FOR"); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - HTTP_X_FORWARDED_FOR - String ip=" // + ip); // } } if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { ip = request.getRemoteAddr(); // if (logger.isInfoEnabled()) { // logger.info("getIpAddress(HttpServletRequest) - getRemoteAddr - String ip=" // + ip); // } } } else if (ip.length() > 15) { String[] ips = ip.split(","); for (int index = 0; index < ips.length; index++) { String strIp = (String) ips[index]; if (!("unknown".equalsIgnoreCase(strIp))) { ip = strIp; break; } } } return ip;}/** * 根据request获取所有的参数集 * * @param request * @return */protected Map getParameterMap(HttpServletRequest request) { Enumeration names = request.getParameterNames(); String name; Map map = new HashMap(); while (names.hasMoreElements()) { name = names.nextElement(); map.put(name, request.getParameter(name).trim().replaceAll("'", "")); } return map;}/** * 获取url * * @param uri * @param params * @return */String getRealUrl(String uri, Map params) { StringBuffer sb = new StringBuffer(uri); if (params != null) { int i = 0; for (String key : params.keySet()) { i++; if (i == 1) { sb.append("?" + key + "=" + params.get(key)); } else { sb.append("&" + key + "=" + params.get(key)); } } } return sb.toString();}}
2.校验IP工具
public class IpInterceptUtils {private static String date ;private static PropertiesUtil p=null; /*** * 校验IP是否加入黑名单 * @param ip * @return true 是在黑名单 * @throws IOException */ public static boolean chickIpBreak(String ip) throws IOException{ if(p == null){ p = new PropertiesUtil("conf/ip-black.properties"); }else{ String str = new SimpleDateFormat("MMddHHmmss").format(new Date()); str=str.substring(0,9); if(date==null || !date.equals(str)){ date = str; p = new PropertiesUtil("conf/ip-black.properties"); } } Enumeration en = p.getProps().propertyNames(); while (en.hasMoreElements()) { String key = (String) en.nextElement(); if(key.equals(ip)){ return true; } } return false; }}
3.配置文件读取类
PropertiesUtil
package com.nps.base.model;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.util.Enumeration;import java.util.HashMap;import java.util.Map;import java.util.Properties;import org.springframework.stereotype.Component;/** * 读取Properties综合类,默认绑定到classpath下的config.properties文件。 * @author */@Component("PropertiesUtil")public class PropertiesUtil { //配置文件的路径 private String configPath=null; /** * 配置文件对象 */ private Properties props=null; /** * 默认构造函数，用于sh运行，自动找到classpath下的config.properties。 */ public PropertiesUtil() throws IOException{ if(props==null){ InputStream in = PropertiesUtil.class.getClassLoader().getResourceAsStream("conf/application.properties"); props = new Properties(); props.load(in); //关闭资源 in.close(); } } /** * 默认构造函数，用于sh运行，自动找到classpath下的config.properties。 */ public PropertiesUtil(String path) throws IOException{ if(props==null){ InputStream in = PropertiesUtil.class.getClassLoader().getResourceAsStream(path); props = new Properties(); props.load(in); //关闭资源 in.close(); } } /** * 根据key值读取配置的值 * Jun 26, 2010 9:15:43 PM * @author 朱志杰 * @param key key值 * @return key 键对应的值 * @throws IOException */ public String readValue(String key) throws IOException { return props.getProperty(key); } /** * 读取properties的全部信息 * @throws FileNotFoundException 配置文件没有找到 * @throws IOException 关闭资源文件，或者加载配置文件错误 * */ public Map readAllProperties() throws FileNotFoundException,IOException { //保存所有的键值 Map map=new HashMap(); Enumeration en = props.propertyNames(); while (en.hasMoreElements()) { String key = (String) en.nextElement(); String Property = props.getProperty(key); map.put(key, Property); } return map; } /** * 设置某个key的值,并保存至文件。 * @param key key值 * @return key 键对应的值 * @throws IOException */ public void setValue(String key,String value) throws IOException { Properties prop = new Properties(); InputStream fis = new FileInputStream(this.configPath); // 从输入流中读取属性列表（键和元素对） prop.load(fis); // 调用 Hashtable 的方法 put。使用 getProperty 方法提供并行性。 // 强制要求为属性的键和值使用字符串。返回值是 Hashtable 调用 put 的结果。 OutputStream fos = new FileOutputStream(this.configPath); prop.setProperty(key, value); // 以适合使用 load 方法加载到 Properties 表中的格式， // 将此 Properties 表中的属性列表（键和元素对）写入输出流 prop.store(fos,"last update"); //关闭文件 fis.close(); fos.close(); } /** * @return the props */ public Properties getProps() { return props; } public static void main(String[] args) { PropertiesUtil p; try { p = new PropertiesUtil("conf/ip-black.properties"); Enumeration en = p.props.propertyNames(); String str=""; while (en.hasMoreElements()) { String key = (String) en.nextElement(); System.out.println(key); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
附上黑名单IP文件格式
ip-black.properties 配置文件
45.119.99.35103.253.2.165157.65.166.51202.57.55.242119.82.252.122140.227.53.126140.227.211.20140.227.208.20116.253.84.183
