文件名称:c3p0工具包(jdbc)
文件大小:2KB
文件格式:RAR
更新时间:2016-07-02 04:59:58
c3p0 jdbc filter
用jdbc开发项目的工具包,采用数据库连接池c3p0
恶意脚本过滤器,采用‘装饰者设计模式’增强类功能~~,过滤恶意脚本
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 cn.secondteam.utils;
import java.io.IOException;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* 恶意脚本字符过滤器
* @author Administrator
*
*/
public class CharFilter implements Filter {
public void doFilter(ServletRequest req, ServletResponse res,
FilterChain chain)
throws IOException, ServletException {
final HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) res;
chain.doFilter((ServletRequest) Proxy.newProxyInstance(CharFilter.class.getClassLoader(),request.getClass().getInterfaces(), new InvocationHandler(){
public Object invoke(Object proxy, Method method, Object[] args)
throws Throwable {
if(method.getName().equals("getParameter")){
return formatHTML((String)method.invoke(request, args));
}
return method.invoke(request, args);
}
}), res);
}
public void init(FilterConfig filterConfig) throws ServletException {
}
private String formatHTML(String str) {
if(str==null){
return null;
}
str = str.replaceAll("
【文件预览】:
CharFilter.java
DbUtil.java