KeLinOkHttpHelper.java
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package com.zteits.charge.config;
import com.alibaba.fastjson.JSONObject;
import com.clouds.common.cache.charge.ChargeCallZteitsTokenCacheUtil;
import com.clouds.common.cache.charge.ZteitsCallChargeTokenCacheUtil;
import com.clouds.common.utils.CryptoUtils;
import com.clouds.common.utils.SeqHelper;
import com.fasterxml.jackson.core.type.TypeReference;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.google.common.base.Strings;
import com.google.common.hash.Hashing;
import com.zteits.charge.dao.OperatorInfoDao;
import com.zteits.charge.domain.OperatorInfo;
import com.zteits.clouds.api.apibase.bean.ErrorCode;
import com.zteits.clouds.api.apibase.constants.ErrorType;
import com.zteits.clouds.api.apibase.constants.charge.ChargeConst;
import com.zteits.clouds.api.apibase.constants.charge.enums.RetEnum;
import com.zteits.clouds.api.apibase.exception.BizException;
import com.zteits.clouds.api.dto.charge.base.ChargeBaseReq;
import com.zteits.clouds.api.dto.charge.base.ChargeBaseResult;
import com.zteits.clouds.api.dto.charge.post.QueryTokenPost;
import com.zteits.clouds.api.dto.charge.result.QueryTokenResult;
import lombok.SneakyThrows;
import lombok.extern.slf4j.Slf4j;
import okhttp3.*;
import okio.Buffer;
import org.apache.poi.ss.formula.functions.T;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.http.HttpStatus;
import org.springframework.stereotype.Component;
import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl;
import javax.annotation.Resource;
import java.io.IOException;
import java.lang.reflect.Type;
import java.net.SocketTimeoutException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import static java.nio.charset.StandardCharsets.UTF_8;
@Slf4j
@Component
public class KeLinOkHttpHelper {
protected final MediaType MEDIA_TYPE = MediaType.parse("application/json;charset=utf-8");
private Lock lock = new ReentrantLock();
// 调用科林的运营商ID
@Value("${zteits.operatorId}")
private String zteitsOperatorId;
@Resource
private OperatorInfoDao operatorInfoDao;
@Resource
private ObjectMapper objectMapper;
private static final OkHttpClient client;
static {
// 构建 OkHttpClient 并添加拦截器
client = new OkHttpClient.Builder()
.addInterceptor(chain -> {
Request request = chain.request();
// log.info("httpClient {} {}", request.method(), request.url().url());
if(request.method().equalsIgnoreCase("POST")){
final Request copy = request.newBuilder().build();
final Buffer buffer = new Buffer();
copy.body().writeTo(buffer);
log.info("Body: {}", buffer.readUtf8());
}
Response response = chain.proceed(request);
if(response != null) {
log.info("Response {}: {}", response.code(), response.peekBody(Long.MAX_VALUE).string());
Headers headers = response.headers();
for (int i = 0; i < headers.size(); i++) {
log.info("Response Header {}: {}", headers.name(i), headers.get(headers.name(i)));
}
}else {
log.info("Response null");
}
return response;
})
//设置连接超时时间
.connectTimeout(10, TimeUnit.SECONDS)
//设置读取超时时间
.readTimeout(10, TimeUnit.SECONDS)
.build();
}
public <T> T post(String apiName, String operatorId, Object data, Class<T> type) throws IOException {
// 根据运营商id查询相关信息
OperatorInfo operatorInfo = operatorInfoDao.selectByOperatorId(operatorId);
if (operatorInfo == null) {
throw new BizException(ErrorType.BIZ_ERROR,"请先维护运营商："+operatorId+"的信息");
}
String url = operatorInfo.getOperatorUrl().endsWith("/") ? operatorInfo.getOperatorUrl() + apiName : operatorInfo.getOperatorUrl() + "/" + apiName;
Request.Builder requestBuilder = new Request.Builder().url(url);
// 时间戳
Date now = new Date();
String timestamp = new SimpleDateFormat("yyyyMMddHHmmss").format(now);
String seq = SeqHelper.getSequence(timestamp);
ChargeBaseReq<String> newRequest = new ChargeBaseReq<>();
// 写死的zteits，标识自己身份
newRequest.setOperatorId(zteitsOperatorId);
newRequest.setTimestamp(timestamp);
newRequest.setSeq(seq);
// 明文 string 串
String body = data == null ? null : data instanceof String ? (String) data : objectMapper.writeValueAsString(data);
log.info("请求url:{},请求参数:{}",url,body);
// 密文
String encodeData = CryptoUtils.encodeByAes128_CBC_PKCS5Padding(body, operatorInfo.getOperatorDataSecretIv(), operatorInfo.getOperatorDataSecret());
newRequest.setData(encodeData);
// 签名
String content = newRequest.getOperatorId() + encodeData + timestamp + seq;
String sig = Hashing.hmacMd5(operatorInfo.getOperatorSignSecret().getBytes(UTF_8)).hashString(content, UTF_8).toString().toUpperCase();
newRequest.setSig(sig);
final RequestBody requestBody = RequestBody.create(
MEDIA_TYPE,
objectMapper.writeValueAsBytes(newRequest)
);
requestBuilder.method("POST", requestBody);
return _post(apiName,operatorInfo,requestBuilder, type, 0);
}
/**
* 获取token
* @return
*/
private String getToken(OperatorInfo operatorInfo) {
String token = ZteitsCallChargeTokenCacheUtil.getToken(operatorInfo.getOperatorId());
if(token == null){
try {
if(lock.tryLock(5, TimeUnit.SECONDS)){
token = ZteitsCallChargeTokenCacheUtil.getToken(operatorInfo.getOperatorId());
if(token == null){
token = this.queryToken(operatorInfo);
}
}
} catch (InterruptedException e) {
throw new RuntimeException(e);
} finally {
lock.unlock();
}
}
return token;
}
@SneakyThrows
private String queryToken(OperatorInfo operatorInfo){
QueryTokenPost post = new QueryTokenPost();
// 这里入参修改zteits的，标识自己身份
post.setOperatorId(zteitsOperatorId);
post.setOperatorSecret(operatorInfo.getOperatorSecret());
QueryTokenResult data = this.post(ChargeConst.QUERY_TOKEN,operatorInfo.getOperatorId(), post, QueryTokenResult.class);
// 少5秒，防止临界点过期
int tokenAvailableTime = data.getTokenAvailableTime() - 5;
ZteitsCallChargeTokenCacheUtil.setToken(operatorInfo.getOperatorId(),data.getAccessToken(),(long)tokenAvailableTime);
return data.getAccessToken();
}
private <T> T _post(String apiName,OperatorInfo operatorInfo,Request.Builder requestBuilder, Class<T> type, int count) throws IOException {
// 设置header
requestBuilder.removeHeader("Content-Type");
requestBuilder.addHeader("Content-Type", "application/json; charset=utf-8");
if (ChargeConst.QUERY_TOKEN.equals(apiName)) {
} else {
requestBuilder.removeHeader("Authorization");
requestBuilder.addHeader("Authorization", "Bearer " + getToken(operatorInfo));
}
Request request = requestBuilder.build();
try{
Response response = client.newCall(request).execute();
if(response.code() != HttpStatus.OK.value()){
log.error("请求科林接口响应非200");
throw new BizException(ErrorType.REQUEST_STATUS_NOT_200);
}
ResponseBody responseBody = response.body();
ChargeBaseResult<String> strResult = objectMapper.readValue(responseBody.bytes(), new TypeReference<ChargeBaseResult<String>>() {});
if (strResult.getRet() == null) {
log.info("请求科林接口返回参数Ret为空");
throw new BizException(ErrorType.BIZ_ERROR,"启动充电异常");
}
if (RetEnum.TOKEN_ERROR.getCode() == strResult.getRet()) {
// token 错误，重新获取token
// 删除缓存
ZteitsCallChargeTokenCacheUtil.delToken(operatorInfo.getOperatorId());
if(count < operatorInfo.getOperatorRetryCount()){
log.info("请求科林接口报Token错误，重新获取Token,开始重试,URL:" + request.url().url().getPath());
return _post(apiName,operatorInfo,requestBuilder, type, count + 1);
}else {
log.error("请求科林接口超过重试次数，抛异常,URL:" + request.url().url().getPath());
throw new BizException(ErrorType.BIZ_ERROR,"获取Token失败");
}
}
if (RetEnum.REQUEST_SUCCESS.getCode() != strResult.getRet()) {
throw new BizException(ErrorType.CHARGE_CALL_SERVICE_FAIL,strResult.getMsg());
}
if(!Strings.isNullOrEmpty(strResult.getData())){
String data = strResult.getData();
if(!data.startsWith("{") || data.startsWith("}")){
// 对返回数据做解密
data = CryptoUtils.decodeByAes128_CBC_PKCS5Padding(data, operatorInfo.getOperatorDataSecretIv(), operatorInfo.getOperatorDataSecret());
log.info("响应信息-解密后:{}",data);
}
return objectMapper.readValue(data,type);
}
return null;
}catch (SocketTimeoutException e){
if(count < operatorInfo.getOperatorRetryCount()){
log.error("请求科林接口异常,开始重试,URL:" + request.url().url().getPath(),e);
return _post(apiName,operatorInfo,requestBuilder, type, count + 1);
}else {
log.error("请求科林接口超过重试次数，抛异常,URL:" + request.url().url().getPath(),e);
throw e;
}
}
}
}