package com.yeshi.fanli.aspect;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import javax.servlet.http.HttpServletRequest;
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import org.aspectj.lang.ProceedingJoinPoint;
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import org.aspectj.lang.annotation.Around;
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import org.aspectj.lang.annotation.Aspect;
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import org.springframework.core.annotation.Order;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import org.yeshi.utils.JsonUtil;
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import com.yeshi.fanli.dto.WXMPAcceptData;
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import com.yeshi.fanli.log.LogHelper;
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import com.yeshi.fanli.util.Constant;
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import com.yeshi.fanli.util.StringUtil;
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import com.yeshi.fanli.util.ThreadUtil;
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import net.sf.json.JSONObject;
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/**
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* 微信小程序接口签名验证
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*
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* @author Administrator
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*
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*/
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//@Component
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@Aspect
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@Order(2)
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public class WXMPSignValidateAspect {
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public static final String EDP = "execution(* com.yeshi.fanli.controller.wxmp..*.*(..))";
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public static String KEY = "";
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static {
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KEY = Constant.systemCommonConfig.getSignKey();
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}
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@Around(EDP)
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public Object testAround(ProceedingJoinPoint joinPoint) throws IOException {
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Object[] args = joinPoint.getArgs();
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PrintWriter out = null;
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ServletRequestAttributes servletContainer = (ServletRequestAttributes) RequestContextHolder
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.getRequestAttributes();
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out = servletContainer.getResponse().getWriter();
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HttpServletRequest request = servletContainer.getRequest();
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WXMPAcceptData acceptData = null;
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for (Object obj : args) {
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if (obj instanceof WXMPAcceptData) {
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acceptData = (WXMPAcceptData) obj;
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} else if (obj instanceof HttpServletRequest) {
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request = (HttpServletRequest) obj;
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}
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}
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boolean isRight = true;
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if (acceptData == null) {
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out.print(JsonUtil.loadFalseResult(-1, "签名错误"));
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return null;
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}
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isRight = signIsRight(request);
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// 签名是否正确
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if (isRight) {
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// 判断签名超时
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if (Math.abs((acceptData.getTimeStamp()) - System.currentTimeMillis()) > 1000 * 60 * 10) {
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JSONObject data = new JSONObject();
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data.put("code", -2);
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data.put("msg", "时间错误");
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out.print(data);
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out.close();
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return null;
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}
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final String url = request.getRequestURI();
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@SuppressWarnings("unchecked")
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final Map<String, Object> params = request.getParameterMap();
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ThreadUtil.run(new Runnable() {
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@Override
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public void run() {
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// 记录请求日志
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LogHelper.requestInfo(url, params);
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}
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});
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// 设置device
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if (!StringUtil.isNullOrEmpty(acceptData.getOpenId())) {
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acceptData.setDevice(acceptData.getAppId() + "-" + acceptData.getOpenId());
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}
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Object obj = null;
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try {
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long startTime = System.currentTimeMillis();
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obj = joinPoint.proceed(args);
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final long responseTime = System.currentTimeMillis() - startTime;
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// 记录大于2s的请求
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if (responseTime >= 2000) {
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ThreadUtil.run(new Runnable() {
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@Override
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public void run() {
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LogHelper.requestTime(url, params, responseTime);
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}
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});
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}
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} catch (Throwable e) {
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LogHelper.errorDetailInfo(e, getHttpServletParams(request), request.getRequestURI().toString());
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out.print(JsonUtil.loadFalseResult(90009, "服务器内部错误"));
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}
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return obj;
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} else {
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JSONObject data = new JSONObject();
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data.put("code", -1);
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data.put("msg", "签名错误");
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out.print(data);
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out.close();
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LogHelper.error("签名错误:" + request.getRequestURI() + "-" + getHttpServletParams(request));
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return null;
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}
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}
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/**
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*
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*
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* @param request
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* @return
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*/
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@SuppressWarnings("unchecked")
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private boolean signIsRight(HttpServletRequest request) {
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Map<String, Object> map = request.getParameterMap();
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Iterator<String> its = map.keySet().iterator();
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List<String> list = new ArrayList<>();
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while (its.hasNext()) {
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String key = its.next();
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if (key.equalsIgnoreCase("sign")) {
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continue;
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}
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Object value = map.get(key);
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Object[] values = (Object[]) value;
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list.add(key + "=" + values[0].toString());
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}
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Collections.sort(list);
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String str = "";
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for (String st : list) {
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str += st + "&";
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}
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String sign = null;
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sign = StringUtil.Md5(str + Constant.WXMP_SIGN_KEY);
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if (sign.equalsIgnoreCase(request.getParameter("sign") + "")) {
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return true;
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} else {
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return false;
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}
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}
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/**
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* 获取请求参数信息
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*
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* @param request
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* @return
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*/
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private String getHttpServletParams(HttpServletRequest request) {
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if (request == null) {
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return "";
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}
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Map map = request.getParameterMap();
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if (map != null) {
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Iterator<String> its = map.keySet().iterator();
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JSONObject json = new JSONObject();
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while (its.hasNext()) {
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String next = its.next();
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if (map.get(next) != null) {
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Object[] objects = (Object[]) map.get(next);
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if (objects != null && objects.length > 0) {
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json.put(next, objects[0].toString());
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}
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}
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}
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return json.toString();
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}
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return "";
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}
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}
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