@liuliang520500/jd-sdk/lib/api.js

京东联盟开放平台SDK

const axios = require('axios');
const { sign } = require('./sign');
const API_BASE_DOMAIN = 'https://api.jd.com';
const API_ENDPOINT = '/routerjson';

function getCurrentTimestamp() {
  const now = new Date();
  const year = now.getFullYear();
  const month = String(now.getMonth() + 1).padStart(2, '0');
  const day = String(now.getDate()).padStart(2, '0');
  const hours = String(now.getHours()).padStart(2, '0');
  const minutes = String(now.getMinutes()).padStart(2, '0');
  const seconds = String(now.getSeconds()).padStart(2, '0');
  return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
}

class JdApiError extends Error {
  constructor(code, message, subCode, subMessage) {
    super(message);
    this.name = 'JdApiError';
    this.code = code;
    this.subCode = subCode;
    this.subMessage = subMessage;
  }
}

class BaseApi {
  constructor(config) {
    this.appKey = config.appKey;
    this.secretKey = config.secretKey;
    this.accessToken = config.accessToken;
    this.apiVersion = config.apiVersion || '1.0';
    this.format = config.format || 'json';
    this.domain = API_BASE_DOMAIN;
    
    console.log('BaseApi初始化:');
    console.log('- appKey:', this.appKey);
    console.log('- accessToken是否设置:', this.accessToken ? '是' : '否');
  }

  getApiName() {
    throw new Error('子类必须实现getApiName方法');
  }

  async execute(params = {}, options = {}) {
    const timestamp = getCurrentTimestamp();
    const systemParams = {
      timestamp,
      method: this.getApiName(),
      app_key: this.appKey,
      v: this.apiVersion,
      sign_method: 'md5',
      format: this.format
    };

    console.log('Execute方法中:');
    console.log('- 方法名称:', this.getApiName());
    console.log('- 传入参数:', JSON.stringify(params, (key, value) => {
      // 过滤敏感信息
      if (key === 'key' && typeof value === 'string') {
        return value ? '已设置(长度:' + value.length + ')' : '未设置';
      }
      return value;
    }, 2));
    
    // access_token是系统参数，非必填
    if (this.accessToken) {
      console.log('- 添加系统参数access_token');
      systemParams.access_token = this.accessToken;
    } else {
      console.log('- 不添加系统参数access_token');
    }

    // 这里是关键部分：检查参数中是否含有key，尤其是在positionReq对象内部
    if (params.positionReq && typeof params.positionReq === 'object') {
      console.log('- 发现positionReq对象:');
      console.log('  - unionId:', params.positionReq.unionId);
      console.log('  - key:', params.positionReq.key ? '已设置(长度:' + params.positionReq.key.length + ')' : '未设置');
      console.log('  - unionType:', params.positionReq.unionType);
    }

    const jsonParams = JSON.stringify(params);
    systemParams['360buy_param_json'] = jsonParams;

    systemParams.sign = sign(this.secretKey, systemParams);

    const url = `${this.domain}${API_ENDPOINT}`;

    try {
      // 打印请求参数，便于调试
      console.log('请求参数:', {
        url,
        systemParams: {
          ...systemParams,
          sign: '已生成',
          '360buy_param_json': '已生成' 
        }
      });
      
      const response = await axios.post(url, null, {
        params: systemParams,
        timeout: options.timeout || 30000,
        headers: {
          'Content-Type': 'application/x-www-form-urlencoded',
          'Cache-Control': 'no-cache'
        }
      });

      const result = response.data;
      const responseKey = this.getResponseKey();
      
      console.log('API响应结果:', JSON.stringify(result, null, 2));
      
      if (result.error_response) {
        const error = result.error_response;
        throw new JdApiError(
          error.code,
          error.zh_desc || '未知错误',
          error.sub_code,
          error.sub_msg
        );
      }
      
      return result[responseKey] || result;
    } catch (error) {
      if (error instanceof JdApiError) {
        throw error;
      }
      
      throw new Error(`API请求失败: ${error.message}`);
    }
  }

  getResponseKey() {
    return this.getApiName().replace(/\./g, '_') + '_response';
  }
}

module.exports = {
  BaseApi,
  JdApiError
};