package com.gs.xiaomi.service;
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import cn.hutool.crypto.digest.DigestUtil;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.gs.xiaomi.config.DataAcquisitionConfiguration;
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import com.gs.xiaomi.dto.BCS101Request;
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import com.gs.xiaomi.util.X5StringUtils;
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import okhttp3.*;
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import org.springframework.stereotype.Service;
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import java.io.IOException;
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import java.net.URLEncoder;
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import java.nio.charset.StandardCharsets;
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import java.util.concurrent.TimeUnit;
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@Service
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public class BCS101ApiService {
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private final OkHttpClient client;
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private final ObjectMapper objectMapper;
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public BCS101ApiService() {
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this.client = new OkHttpClient.Builder()
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.connectTimeout(3000, TimeUnit.SECONDS)
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.readTimeout(90, TimeUnit.SECONDS)
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.build();
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this.objectMapper = new ObjectMapper();
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}
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/**
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* 获取BCS101数据
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*
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* @param request BCS101请求参数
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* @return API响应
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* @throws IOException 网络异常
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* 接口返回
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* Error: ERROR_IN_MODULECHAIN;ERROR_IN_MODULECHAIN, Sender Channel 'CC_MI_OEM_HTTP_OUT' (ID: a58369adbaa03aafb76d2c02c2ae7cd7): Catching exception calling messaging system
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* 我是需要X5协议的， 我看你没有为我添加
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* APP ID：bcs_fty_177301
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* APP Key：IJBVGMJXG4ZTAMLSMFXGI33NONQWY5DG
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*/
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public String getBCS101Data(BCS101Request request) throws IOException {
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// 直接将请求对象转换为JSON字符串
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String jsonData = objectMapper.writeValueAsString(request);
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// Base64编码
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String base64Data = X5StringUtils.encodeBase64(jsonData);
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// URL编码
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String urlEncodedData = URLEncoder.encode(base64Data, String.valueOf(StandardCharsets.UTF_8));
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// 构建form表单数据
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String formData = "data=" + urlEncodedData;
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// 生成时间戳
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String timestamp = String.valueOf(System.currentTimeMillis() / 1000);
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// 生成X5签名
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String signature = generateX5Signature(
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DataAcquisitionConfiguration.BCS_APP_ID,
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DataAcquisitionConfiguration.BCS_APP_Key,
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timestamp,
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formData
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);
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// 构建Authorization header
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String credentials = DataAcquisitionConfiguration.BCS_USER_NAME + ":" + DataAcquisitionConfiguration.BCS_PWD;
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String auth = X5StringUtils.encodeBase64(credentials);
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// 构建请求体
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RequestBody body = RequestBody.create(formData, MediaType.parse("application/x-www-form-urlencoded"));
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// 构建请求
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Request httpRequest = new Request.Builder()
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.url(DataAcquisitionConfiguration.BCS_101_URL)
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.method("POST", body)
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.addHeader("Content-Type", "application/x-www-form-urlencoded")
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.addHeader("Authorization", "Basic " + auth)
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.addHeader("X-App-Id", DataAcquisitionConfiguration.BCS_APP_ID)
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.addHeader("X-Timestamp", timestamp)
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.addHeader("X-Signature", signature)
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.build();
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// 执行请求
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try (Response response = client.newCall(httpRequest).execute()) {
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if (response.body() != null) {
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return response.body().string();
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}
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throw new IOException("Empty response body");
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}
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}
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/**
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* 生成X5协议签名
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*
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* @param appId APP ID
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* @param appKey APP Key
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* @param timestamp 时间戳
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* @param data 请求数据
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* @return 签名字符串
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*/
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private String generateX5Signature(String appId, String appKey, String timestamp, String data) {
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// X5签名算法: MD5(appId + appKey + timestamp + data)
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String signString = appId + appKey + timestamp + data;
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return DigestUtil.md5Hex(signString).toUpperCase();
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}
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}
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