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e948e54a48
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c79e3958ba
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//package com.fuint.common.filter;
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//
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//
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//import cn.hutool.core.util.ObjectUtil;
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//import com.alibaba.fastjson2.JSONObject;
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//import com.fasterxml.jackson.databind.ObjectMapper;
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//import com.fuint.framework.exception.BusinessRuntimeException;
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//import org.apache.commons.lang3.StringUtils;
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//import org.springframework.beans.factory.annotation.Autowired;
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//import org.springframework.beans.factory.annotation.Qualifier;
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//import org.springframework.stereotype.Component;
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//import org.springframework.web.multipart.support.StandardServletMultipartResolver;
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//import org.springframework.web.servlet.HandlerExceptionResolver;
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//
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//import javax.servlet.*;
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//import javax.servlet.annotation.WebFilter;
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//import javax.servlet.http.HttpServletRequest;
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//import javax.servlet.http.HttpServletResponse;
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//import java.io.BufferedReader;
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//import java.io.IOException;
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//import java.util.Map;
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//import java.util.Set;
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//import java.util.TreeMap;
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//import java.util.stream.Collectors;
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//
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//
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//@WebFilter(filterName = "CharsetFilter", urlPatterns = "/*")
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//@Component
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//public class SpecialCharFilter implements Filter {
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//
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// private static final String SQL_REGX = "[=]";
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// @Qualifier("handlerExceptionResolver")
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// @Autowired
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// private HandlerExceptionResolver resolver;
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//
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// @Override
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// public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain) throws IOException, ServletException, IOException {
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// HttpServletRequest req = (HttpServletRequest) servletRequest;
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// String servletPath = req.getServletPath();
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// HttpServletResponse rep = (HttpServletResponse) servletResponse;
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// MyRequestWrapper requestWrapper = new MyRequestWrapper(req);
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// if (ObjectUtil.notEqual(servletPath,"/backendApi/login/doLogin")){
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// // 防止流读取一次后就没有了, 所以需要将流继续写出去
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//
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// // 获取请求参数
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// Map<String, Object> paramsMaps = new TreeMap<>();
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// if ("POST".equals(req.getMethod().toUpperCase())) {
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// String body = requestWrapper.getBody();
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// paramsMaps = JSONObject.parseObject(body, TreeMap.class);
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// } else {
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// Map<String, String[]> parameterMap = requestWrapper.getParameterMap();
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// Set<Map.Entry<String, String[]>> entries = parameterMap.entrySet();
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// for (Map.Entry<String, String[]> next : entries) {
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// paramsMaps.put(next.getKey(), next.getValue()[0]);
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// }
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// }
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//
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// // 校验SQL注入
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// if (ObjectUtil.isNotEmpty(paramsMaps)) {
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// for (Object o : paramsMaps.entrySet()) {
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// Map.Entry entry = (Map.Entry) o;
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// Object value = entry.getValue();
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// if (value != null) {
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//
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// boolean isValid = checkSqlInject(value.toString(), servletResponse);
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// if (!isValid) {
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// resolver.resolveException(req, rep,
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// null, FileterException("客户端信息非法！！,存在特殊字符请重新输入"));
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// return;
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// }
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// }
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// }
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// }
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// }
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//
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// chain.doFilter(requestWrapper, servletResponse);
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//
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//
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// }
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//
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// //获取request请求body中参数
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// public static String getBodyString(BufferedReader br) {
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// String inputLine;
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// String str = "";
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// try {
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// while ((inputLine = br.readLine()) != null) {
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// str += inputLine;
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// }
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// br.close();
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// } catch (IOException e) {
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// System.out.println("IOException: " + e);
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// }
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// return str;
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// }
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//
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// /**
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// * 检查SQL注入
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// *
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// * @param value 参数值
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// * @param servletResponse 相应实例
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// * @throws IOException IO异常
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// */
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// private boolean checkSqlInject(String value, ServletResponse servletResponse) throws IOException {
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// if (null != value) {
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// String output = value.replaceAll(SQL_REGX, "");
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// if (output.length() < value.length()) {
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// return false;
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// }
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// }
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// return true;
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// }
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//
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// public Exception FileterException(String cause) {
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// return new Exception(cause);
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// }
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//
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//
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//}
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package com.fuint.common.filter;
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import cn.hutool.core.util.ObjectUtil;
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import com.alibaba.fastjson2.JSONObject;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fuint.framework.exception.BusinessRuntimeException;
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import org.apache.commons.lang3.StringUtils;
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import org.springframework.web.multipart.support.StandardServletMultipartResolver;
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import javax.servlet.*;
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import javax.servlet.annotation.WebFilter;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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import java.util.stream.Collectors;
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@WebFilter(filterName = "CharsetFilter",urlPatterns = "/*")
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public class SpecialCharFilter implements Filter {
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private static final String SQL_REGX = "[\\\\^$*+?{}()=&;%+\\[\\].|]";
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@Override
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public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain chain) throws IOException, ServletException, IOException {
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HttpServletRequest req = (HttpServletRequest) servletRequest;
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// 防止流读取一次后就没有了, 所以需要将流继续写出去
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MyRequestWrapper requestWrapper = new MyRequestWrapper(req);
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// 获取请求参数
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Map<String, Object> paramsMaps = new TreeMap<>();
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if ("POST".equals(req.getMethod().toUpperCase())) {
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String body = requestWrapper.getBody();
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paramsMaps = JSONObject.parseObject(body, TreeMap.class);
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} else {
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Map<String, String[]> parameterMap = requestWrapper.getParameterMap();
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Set<Map.Entry<String, String[]>> entries = parameterMap.entrySet();
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for (Map.Entry<String, String[]> next : entries) {
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paramsMaps.put(next.getKey(), next.getValue()[0]);
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}
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}
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// 校验SQL注入
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if (ObjectUtil.isNotEmpty(paramsMaps)) {
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for (Object o : paramsMaps.entrySet()) {
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Map.Entry entry = (Map.Entry) o;
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Object value = entry.getValue();
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if (value != null) {
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boolean isValid = checkSqlInject(value.toString(), servletResponse);
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if (!isValid) {
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return;
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}
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}
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}
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}
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chain.doFilter(requestWrapper, servletResponse);
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}
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//获取request请求body中参数
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public static String getBodyString(BufferedReader br) {
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String inputLine;
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String str = "";
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try {
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while ((inputLine = br.readLine()) != null) {
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str += inputLine;
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}
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br.close();
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} catch (IOException e) {
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System.out.println("IOException: " + e);
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}
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return str;
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}
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/**
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* 检查SQL注入
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*
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* @param value 参数值
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* @param servletResponse 相应实例
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* @throws IOException IO异常
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*/
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private boolean checkSqlInject(String value, ServletResponse servletResponse) throws IOException {
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if (null != value) {
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String output = value.replaceAll(SQL_REGX, "");
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if (output.length()<value.length()) {
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return false;
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}
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}
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return true;
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}
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}
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@ -1,23 +0,0 @@
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package com.fuint.framework.exception;
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import lombok.Data;
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import lombok.EqualsAndHashCode;
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import org.springframework.http.HttpStatus;
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import org.springframework.web.bind.annotation.ResponseStatus;
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@EqualsAndHashCode(callSuper = true)
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@Data
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@ResponseStatus(HttpStatus.CREATED)
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public class FileterException extends RuntimeException {
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private static final long serialVersionUID = 1L;
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private String reason;
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public FileterException(String cause) {
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super(cause);
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this.reason = cause;
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}
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}
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