93 lines
2.5 KiB
JavaScript
93 lines
2.5 KiB
JavaScript
require('dotenv').config();
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const express = require('express');
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const cors = require('cors');
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const https = require('https');
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const signer = require('./APIGW-javascript-sdk-2.0.6/signer');
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const app = express();
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const PORT = 3001;
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app.use(cors());
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app.use(express.json());
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const METASTUDIO_API_BASE = 'https://metastudio.cn-north-4.myhuaweicloud.com';
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async function createOnceCodeWithAKSK() {
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const accessKey = process.env.HUAWEI_AK;
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const secretKey = process.env.HUAWEI_SK;
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const projectId = process.env.HUAWEI_PROJECT_ID;
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if (!accessKey || !secretKey) {
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throw new Error('请配置环境变量: HUAWEI_AK 和 HUAWEI_SK');
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}
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if (!projectId) {
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throw new Error('请配置环境变量: HUAWEI_PROJECT_ID');
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}
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const uri = `/v1/${projectId}/digital-human-chat/once-code`;
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const sig = new signer.Signer();
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sig.Key = accessKey;
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sig.Secret = secretKey;
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const req = new signer.HttpRequest(
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'POST',
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`${METASTUDIO_API_BASE}${uri}`,
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{
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'content-type': 'application/json',
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'x-project-id': projectId
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},
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'{}'
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);
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const options = sig.Sign(req);
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return new Promise((resolve, reject) => {
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const request = https.request(options, (res) => {
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let data = '';
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res.on('data', (chunk) => {
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data += chunk;
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});
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res.on('end', () => {
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if (res.statusCode !== 200) {
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reject(new Error(`API调用失败: ${res.statusCode} - ${data}`));
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return;
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}
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const response = JSON.parse(data);
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resolve(response.once_code);
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});
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});
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request.on('error', (e) => {
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reject(e);
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});
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request.write('{}');
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request.end();
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});
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}
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app.post('/api/once-code', async (req, res) => {
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try {
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console.log('使用 AK/SK 认证获取授权码...');
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const onceCode = await createOnceCodeWithAKSK();
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res.json({ once_code: onceCode });
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} catch (error) {
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console.error('获取授权码失败:', error);
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res.status(500).json({
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error_code: 'INTERNAL_ERROR',
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error_msg: error.message
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});
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}
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});
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app.get('/health', (req, res) => {
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res.json({ status: 'ok' });
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});
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app.listen(PORT, () => {
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console.log(`后端服务已启动: http://localhost:${PORT}`);
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console.log('使用 AK/SK 认证方式');
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});
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