odboy
98c5b62d0d
- 新增 nodejs-client 模块，提供 ConfigClient 配置拉取、定时同步、变更监听 - 使用 Node.js 内置 crypto 模块实现 AES 解密，零外部依赖 - 新增 nodejs-client-demo Express 示例应用，端口 8083 - 更新 README.md，补充 Python 和 Node.js 客户端使用说明 - 修复 fetchAllConfigs API 响应格式判断逻辑
25 lines
849 B
JavaScript
25 lines
849 B
JavaScript
import crypto from 'node:crypto';
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const CRYPT_PREFIX = '{Cipher}';
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export function decryptConfig(secret, data) {
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if (!data.startsWith(CRYPT_PREFIX)) {
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return data;
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}
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const encrypted = data.slice(CRYPT_PREFIX.length);
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return decryptWithAES(secret, encrypted);
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}
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export function decryptWithAES(key, data) {
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const md5Hash = crypto.createHash('md5').update(key).digest('hex');
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const aesKey = md5Hash.slice(16);
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const cipherText = Buffer.from(data, 'base64');
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const iv = Buffer.alloc(16, 0);
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const decipher = crypto.createDecipheriv('aes-128-cbc', aesKey, iv);
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decipher.setAutoPadding(false);
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let plainText = Buffer.concat([decipher.update(cipherText), decipher.final()]);
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const padding = plainText[plainText.length - 1];
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plainText = plainText.slice(0, plainText.length - padding);
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return plainText.toString('utf8');
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}
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