feat: 统一响应体

server/utils/encryption.js

@@ -0,0 +1,60 @@
+const crypto = require('crypto');
+
+function getIV() {
+    if (process.env.ENCRYPTION_IV) {
+        return Buffer.from(process.env.ENCRYPTION_IV, 'hex');
+    }
+    return crypto.randomBytes(16);
+}
+
+function encryptLicenseKey(text) {
+    const key = Buffer.from(process.env.ENCRYPTION_KEY, 'hex');
+    const iv = getIV();
+    const cipher = crypto.createCipheriv('aes-256-cbc', key, iv);
+    let encrypted = cipher.update(text, 'utf8', 'hex');
+    encrypted += cipher.final('hex');
+    return iv.toString('hex') + ':' + encrypted;
+}
+
+function decryptLicenseKey(encrypted) {
+    const [ivHex, encryptedText] = encrypted.split(':');
+    const key = Buffer.from(process.env.ENCRYPTION_KEY, 'hex');
+    const iv = Buffer.from(ivHex, 'hex');
+    const decipher = crypto.createDecipheriv('aes-256-cbc', key, iv);
+    let decrypted = decipher.update(encryptedText, 'hex', 'utf8');
+    decrypted += decipher.final('utf8');
+    return decrypted;
+}
+
+function generateLicenseKey() {
+    const randomBytes = crypto.randomBytes(16);
+    const timestamp = Date.now().toString();
+    const combined = randomBytes.toString('hex') + timestamp;
+    const encrypted = encryptLicenseKey(combined);
+    return encrypted;
+}
+
+function encryptResponse(data) {
+    // 在开发模式下直接返回原始数据
+    if (process.env.NODE_ENV === 'development') {
+        return data;
+    }
+
+    // 生产模式下加密数据
+    const jsonStr = JSON.stringify(data);
+    const key = Buffer.from(process.env.ENCRYPTION_KEY, 'hex');
+    const iv = getIV();
+    const cipher = crypto.createCipheriv('aes-256-cbc', key, iv);
+    let encrypted = cipher.update(jsonStr, 'utf8', 'hex');
+    encrypted += cipher.final('hex');
+    return {
+        encrypted_data: iv.toString('hex') + ':' + encrypted
+    };
+}
+
+module.exports = {
+    encryptLicenseKey,
+    decryptLicenseKey,
+    generateLicenseKey,
+    encryptResponse
+};