package com.java110.api.listener;
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import com.alibaba.fastjson.JSONObject;
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import com.java110.utils.constant.CommonConstant;
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import com.java110.utils.constant.ResponseConstant;
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import com.java110.utils.constant.ServiceCodeConstant;
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import com.java110.utils.exception.SMOException;
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import com.java110.utils.util.Assert;
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import com.java110.core.annotation.Java110Listener;
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import com.java110.core.context.DataFlowContext;
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import com.java110.core.factory.AuthenticationFactory;
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import com.java110.core.factory.DataFlowFactory;
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import com.java110.entity.center.AppService;
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import com.java110.event.service.api.ServiceDataFlowEvent;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.http.*;
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import org.springframework.web.client.HttpStatusCodeException;
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import org.springframework.web.client.RestTemplate;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* 用户注册 侦听
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* Created by wuxw on 2018/5/18.
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*/
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@Java110Listener("userLoginServiceListener")
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public class UserLoginServiceListener extends AbstractServiceApiDataFlowListener{
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private final static Logger logger = LoggerFactory.getLogger(UserLoginServiceListener.class);
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@Override
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public String getServiceCode() {
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return ServiceCodeConstant.SERVICE_CODE_USER_SERVICE_LOGIN;
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}
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@Override
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public HttpMethod getHttpMethod() {
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return HttpMethod.POST;
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}
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@Override
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public int getOrder() {
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return 0;
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}
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/**
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* 请求参数格式：
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* {
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"username":"admin",
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"passwd":"1234565"
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}
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返回报文：
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{
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"userId":"",
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"token":"12dddd"
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}
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* @param event
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*/
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@Override
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public void soService(ServiceDataFlowEvent event) {
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//获取数据上下文对象
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DataFlowContext dataFlowContext = event.getDataFlowContext();
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AppService service = event.getAppService();
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String paramIn = dataFlowContext.getReqData();
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Assert.isJsonObject(paramIn,"用户注册请求参数有误，不是有效的json格式 "+paramIn);
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Assert.jsonObjectHaveKey(paramIn,"username","用户登录，未包含username节点，请检查" + paramIn);
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Assert.jsonObjectHaveKey(paramIn,"passwd","用户登录，未包含passwd节点，请检查" + paramIn);
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RestTemplate restTemplate = super.getRestTemplate();
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ResponseEntity responseEntity= null;
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JSONObject paramInJson = JSONObject.parseObject(paramIn);
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//根据AppId 查询 是否有登录的服务，查询登录地址调用
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AppService appService = DataFlowFactory.getService(dataFlowContext.getAppId(), ServiceCodeConstant.SERVICE_CODE_QUERY_USER_LOGIN);
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if(appService == null){
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responseEntity = new ResponseEntity<String>("当前没有权限访问"+ServiceCodeConstant.SERVICE_CODE_QUERY_USER_LOGIN,HttpStatus.UNAUTHORIZED);
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dataFlowContext.setResponseEntity(responseEntity);
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return ;
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}
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String requestUrl = appService.getUrl() + "?userCode="+paramInJson.getString("username");
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HttpHeaders header = new HttpHeaders();
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header.add(CommonConstant.HTTP_SERVICE.toLowerCase(),ServiceCodeConstant.SERVICE_CODE_QUERY_USER_LOGIN);
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HttpEntity<String> httpEntity = new HttpEntity<String>("", header);
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try{
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responseEntity = restTemplate.exchange(requestUrl, HttpMethod.GET, httpEntity, String.class);
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}catch (HttpStatusCodeException e){ //这里spring 框架 在4XX 或 5XX 时抛出 HttpServerErrorException 异常，需要重新封装一下
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responseEntity = new ResponseEntity<String>("请求登录查询异常，"+e.getResponseBodyAsString(),e.getStatusCode());
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dataFlowContext.setResponseEntity(responseEntity);
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return ;
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}
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String resultBody = responseEntity.getBody().toString();
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Assert.isJsonObject(resultBody,"调用登录查询异常,返回报文有误，不是有效的json格式 "+resultBody);
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JSONObject resultInfo = JSONObject.parseObject(resultBody);
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if(!resultInfo.containsKey("user") || !resultInfo.getJSONObject("user").containsKey("userPwd")
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|| !resultInfo.getJSONObject("user").containsKey("userId")){
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responseEntity = new ResponseEntity<String>("用户或密码错误", HttpStatus.UNAUTHORIZED);
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dataFlowContext.setResponseEntity(responseEntity);
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return ;
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}
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JSONObject userInfo = resultInfo.getJSONObject("user");
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String userPwd = userInfo.getString("userPwd");
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if(!userPwd.equals(paramInJson.getString("passwd"))){
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responseEntity = new ResponseEntity<String>("密码错误", HttpStatus.UNAUTHORIZED);
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dataFlowContext.setResponseEntity(responseEntity);
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return ;
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}
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try {
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Map userMap = new HashMap();
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userMap.put(CommonConstant.LOGIN_USER_ID,userInfo.getString("userId"));
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String token = AuthenticationFactory.createAndSaveToken(userMap);
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userInfo.remove("userPwd");
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userInfo.put("token",token);
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responseEntity = new ResponseEntity<String>(userInfo.toJSONString(), HttpStatus.OK);
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dataFlowContext.setResponseEntity(responseEntity);
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}catch (Exception e){
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logger.error("登录异常：",e);
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throw new SMOException(ResponseConstant.RESULT_CODE_INNER_ERROR,"系统内部错误，请联系管理员");
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}
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}
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/**
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* 对请求报文处理
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* @param paramIn
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* @return
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*/
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private JSONObject refreshParamIn(String paramIn){
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JSONObject paramObj = JSONObject.parseObject(paramIn);
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paramObj.put("userId","-1");
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paramObj.put("levelCd","0");
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return paramObj;
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}
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}
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