183 行
5.3 KiB
Markdown
183 行
5.3 KiB
Markdown
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# 配置文件规范
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> 最后更新:2026-06-15
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---
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## 概述
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XuqmGroup SDK 使用加密配置文件完成自动初始化,对齐 Android SDK 的 ContentProvider 模式。
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**核心流程**:
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1. 宿主把加密配置文件放到标准位置
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2. SDK 在 common bundle 加载时自动读取、解密、初始化
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3. 宿主代码零初始化调用
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---
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## 配置文件格式
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### 加密格式
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```
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XUQM-CONFIG-V1.{base64urlSalt}.{base64urlIV}.{base64urlCiphertext}
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```
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| 部分 | 说明 |
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| --------------------- | ------------------------------------------- |
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| `XUQM-CONFIG-V1` | 固定 magic header |
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| `base64urlSalt` | PBKDF2 盐值(16 字节,base64url 编码) |
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| `base64urlIV` | AES-GCM 初始向量(12 字节,base64url 编码) |
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| `base64urlCiphertext` | AES-256-GCM 密文 + 16 字节 auth tag |
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### 加密参数
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| 参数 | 值 |
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| -------- | ------------------ |
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| 算法 | AES-256-GCM |
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| 密钥派生 | PBKDF2-HMAC-SHA256 |
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| 迭代次数 | 120,000 |
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| 密钥长度 | 256 位 |
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| Auth Tag | 128 位(16 字节) |
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### 解密后 JSON 结构
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```json
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{
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"appKey": "yiwangxin",
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"appName": "医网信",
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"companyName": "BJCA",
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"baseUrl": "https://www.51trust.com",
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"serverUrl": "https://www.51trust.com",
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"packageName": "cn.org.bjca.wcert.ywq",
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"iosBundleId": "com.bjca.ywq",
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"issuedAt": "2026-01-01T00:00:00Z",
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"expiresAt": "2028-01-01T00:00:00Z"
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}
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```
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| 字段 | 必填 | 说明 |
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| ------------- | ---- | -------------------------------- |
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| `appKey` | ✅ | 应用唯一标识 |
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| `appName` | ❌ | 应用名称 |
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| `companyName` | ❌ | 公司名称 |
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| `baseUrl` | ❌ | API 服务地址(覆盖默认值) |
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| `serverUrl` | ❌ | 私有部署地址(覆盖所有服务端点) |
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| `packageName` | ❌ | Android 包名(用于校验) |
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| `iosBundleId` | ❌ | iOS Bundle ID |
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| `issuedAt` | ❌ | 签发时间 |
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| `expiresAt` | ❌ | 过期时间 |
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---
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## 宿主集成方式
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### React Native(Metro bundler)
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由于 Metro 只能 bundle JS/TS 模块,配置文件使用 `.ts` 扩展名。
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**文件位置**:`src/assets/xuqm/config.xuqmconfig.ts`
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```typescript
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export const ENCRYPTED_CONFIG = "XUQM-CONFIG-V1.{salt}.{iv}.{ciphertext}";
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```
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**Metro alias**(`metro.config.js`):
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```javascript
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const alias = {
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"@xuqm/autoinit-config": path.resolve(
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projectRoot,
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"src/assets/xuqm/config.xuqmconfig",
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),
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};
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```
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**Babel alias**(`babel.config.js`):
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```javascript
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'@xuqm/autoinit-config': './src/assets/xuqm/config.xuqmconfig'
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```
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**TypeScript path**(`tsconfig.json`):
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```json
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"@xuqm/autoinit-config": ["src/assets/xuqm/config.xuqmconfig"]
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```
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### Android(原生)
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配置文件位置:`src/main/assets/xuqm/config.xuqm`
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Android SDK 通过 ContentProvider 自动读取,无需额外配置。
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### iOS(原生)
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配置文件位置:`{app}/xuqm/config.xuqm`
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---
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## 自动初始化流程
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```
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common bundle 加载
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→ import '@xuqm/rn-common'
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→ packages/common/src/index.ts
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→ import './autoInit' (副作用)
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→ tryAutoInit()
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→ require('@xuqm/autoinit-config')
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→ Metro 解析 alias → 宿主 config.xuqmconfig.ts
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→ XuqmSDK.initWithConfigFile(encrypted)
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→ configCrypto.decryptConfigFile(encrypted)
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→ PBKDF2 派生密钥
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→ AES-256-GCM 解密
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→ initializeFromLicense(decrypted)
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→ configureHttp(baseUrl || serverUrl)
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→ markInitialized()
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```
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### 失败处理
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对齐 Android SDK 的 `runCatching + Log.w` 行为:
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- 配置文件不存在 → 静默跳过
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- 解密失败 → 静默跳过
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- SDK 保持未初始化状态
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- `awaitInitialization()` 会超时
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- 不崩溃、不阻塞 app 启动
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---
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## 降级机制
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如果自动初始化失败,宿主可以手动调用:
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```typescript
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import { XuqmSDK } from "@xuqm/rn-common";
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// 使用默认 URL 初始化
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XuqmSDK.init({ appKey: "yiwangxin", debug: __DEV__ });
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```
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---
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## 安全注意事项
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1. **不要提交解密后的明文配置**到版本控制
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2. **不要在日志中打印**配置文件内容或解密后的数据
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3. 配置文件的 `appKey` 用于 API 调用,**不要硬编码**在业务代码中
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4. `serverUrl` 字段会覆盖所有服务端点,确保指向正确的环境
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---
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## 与 Android SDK 的对齐
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| 环节 | Android SDK | RNSDK |
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| ------------ | -------------------------- | --------------------------------------------- |
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| 配置文件位置 | `assets/xuqm/config.xuqm` | `src/assets/xuqm/config.xuqmconfig.ts` |
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| 自动初始化 | ContentProvider.onCreate() | common 包 import 时 autoInit |
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| 解密 | ConfigFileCrypto (Java) | configCrypto (JS + react-native-quick-crypto) |
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| 失败处理 | runCatching + Log.w | try/catch + 静默跳过 |
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| 服务端点覆盖 | configurePrivateServer() | initializeFromLicense(serverUrl) |
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