init: RAG 知识库服务初始提交
- 后端 API(Flask + Gunicorn) - RAG 引擎(混合检索 + 云端 Reranker + 引用溯源) - 文档解析(MinerU + 多格式支持) - Docker 生产部署配置 - 排除前端项目、敏感配置、模型文件
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docs/认证与权限配置指南.md
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docs/认证与权限配置指南.md
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# 认证与权限配置指南
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> **文档类型**: 配置指南
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> **创建日期**: 2026-04-12
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> **最后更新**: 2026-04-13
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> **状态**: 已实施
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---
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## 一、概述
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API 服务采用网关注入认证模式,从 HTTP Header 中读取用户信息,不处理本地登录认证。
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### 1.1 认证流程
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```
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┌─────────────┐ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐
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│ 前端 │────▶│ 网关 │────▶│ 后端 API │────▶│ Dify │
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│ (JWT Token) │ │ (验证注入) │ │ (Header认证) │ │ (Token认证) │
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└─────────────┘ └─────────────┘ └─────────────┘ └─────────────┘
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│ │ │ │
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│ Authorization: │ X-User-ID: xxx │ │
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│ Bearer <token> │ X-User-Role: xxx │ user_token: xxx │
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└──────────────────▶└──────────────────▶└──────────────────▶│
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│ │
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│ Authorization: Bearer {{user_token}}
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```
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---
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## 二、网关配置
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### 2.1 需要注入的 Header
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| Header 名称 | 必需 | 说明 | 示例 |
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|------------|------|------|------|
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| X-User-ID | 是 | 用户唯一标识 | user001 |
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| X-User-Name | 否 | 用户名 | 张三 |
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| X-User-Role | 否 | 用户角色 | admin/manager/user |
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| X-User-Department | 否 | 部门 | 技术部 |
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### 2.2 前端配置
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- 用户登录后获取 JWT token
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- 请求时在 `Authorization` Header 中携带 token:`Bearer <token>`
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### 2.3 后端配置
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- 网关验证 token 后注入用户信息 Header
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- 后端 API 通过 `request.headers.get('X-User-ID')` 获取用户信息
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---
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## 三、角色权限
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### 3.1 角色映射
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后端角色会自动映射到本地角色:
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| 后端角色 | 本地角色 |
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|---------|---------|
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| administrator | admin |
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| admin | admin |
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| manager | manager |
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| user | user |
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| normal | user |
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| guest | user |
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如需添加新的角色映射,请修改 `auth/gateway.py` 中的 `ROLE_MAPPING` 字典。
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### 3.2 权限级别
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| 角色 | 可访问的安全级别 | 向量库读取 | 向量库写入 | 向量库删除 | 同步 |
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|------|------------------|------------|------------|------------|------|
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| admin | public, internal, confidential | 所有 | 所有 | 所有 | 所有 |
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| manager | public, internal, confidential | public + 本部门 | 本部门 | 本部门 | 本部门 |
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| user | public, internal | public + 本部门 | ❌ | ❌ | ❌ |
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---
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## 四、开发测试
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### 4.1 启用开发模式
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```bash
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# Windows
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set DEV_MODE=true
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# Linux/Mac
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export DEV_MODE=true
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```
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### 4.2 模拟用户测试
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开发模式下,可以:
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1. 不传 Header 会自动使用默认测试用户(admin/开发部)
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2. 使用 `Authorization: Bearer mock-token-<username>` 模拟登录
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**测试账号**:
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| 用户名 | 密码 | 角色 | 部门 |
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|--------|------|------|------|
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| admin | admin123 | admin | 管理部 |
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| testuser | test123 | user | 技术部 |
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| manager | manager123 | manager | 财务部 |
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### 4.3 使用 Header 模拟用户
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```bash
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# 测试普通用户
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curl -H "X-User-ID: test001" -H "X-User-Name: 测试用户" -H "X-User-Role: user" \
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http://localhost:5001/auth/me
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# 测试管理员
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curl -H "X-User-ID: admin001" -H "X-User-Name: 管理员" -H "X-User-Role: admin" \
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http://localhost:5001/stats
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# 使用 mock token
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curl -H "Authorization: Bearer mock-token-admin" \
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http://localhost:5001/auth/me
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```
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---
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## 五、API 接口分类
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### 5.1 公开接口(无需认证)
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| 接口 | 方法 | 说明 |
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|------|------|------|
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| `/health` | GET | 健康检查 |
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### 5.2 需要认证的接口
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所有其他接口都需要通过网关访问,网关会注入用户信息。
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### 5.3 管理员专用接口
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以下接口需要 `admin` 角色:
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| 接口 | 方法 | 说明 |
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|------|------|------|
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| `/stats` | GET | 系统统计 |
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| `/sync` | POST | 手动触发同步 |
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| `/sync/start` | POST | 启动文件监控 |
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| `/sync/stop` | POST | 停止文件监控 |
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| `/graph/build` | POST | 重建知识图谱 |
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| `/audit/logs` | GET | 审计日志 |
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| `/collections` | POST | 创建向量库 |
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| `/collections/<name>` | DELETE | 删除向量库 |
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| `/faq` | POST | 新增 FAQ |
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| `/faq/<id>` | PUT/DELETE | 更新/删除 FAQ |
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| `/exam/<id>/review` | POST | 审核试卷 |
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### 5.4 保留的接口
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| 接口 | 方法 | 说明 |
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|------|------|------|
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| `/auth/me` | GET | 获取当前用户信息(从 Header 读取) |
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### 5.5 已移除的接口
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以下接口已移除(由后端网关处理):
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- `POST /auth/login` - 用户登录
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- `POST /auth/register` - 用户注册
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- `POST /auth/change-password` - 修改密码
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- `GET /auth/users` - 用户列表
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- `PUT /auth/users/<user_id>` - 更新用户
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- `DELETE /auth/users/<user_id>` - 删除用户
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---
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## 六、错误响应
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### 6.1 401 未认证
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```json
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{
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"error": "缺少用户信息",
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"message": "请通过网关访问,或设置 DEV_MODE=true 进行开发测试"
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}
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```
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### 6.2 403 权限不足
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```json
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{
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"error": "权限不足",
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"message": "此接口需要以下角色之一: admin",
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"your_role": "user"
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}
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```
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---
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## 七、对接清单
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### 7.1 Dify 工作流修改
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**当前状态**:使用变量传入用户信息
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```yaml
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variables:
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- variable: user_id
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default: 'exam-system'
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- variable: user_role
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default: 'admin'
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- variable: user_department
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default: ''
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headers: 'Content-Type:application/json
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X-User-ID:{{#1774596726631.user_id#}}
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X-User-Role:{{#1774596726631.user_role#}}
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X-User-Department:{{#1774596726631.user_department#}}'
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```
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**对接后修改**:改用 Bearer token 认证
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```yaml
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variables:
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- variable: user_token
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label: 用户Token
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hint: 'JWT认证token,由网关注入'
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default: ''
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required: true
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type: text-input
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headers: 'Content-Type:application/json
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Authorization:Bearer {{#1774596726631.user_token#}}'
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```
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**操作步骤**:
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1. 移除 `user_id`、`user_role`、`user_department` 变量
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2. 添加 `user_token` 变量
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3. 修改 HTTP 请求的 headers,使用 `Authorization: Bearer <token>`
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### 7.2 Python 后端修改
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**exam_pkg/manager.py 当前状态**:
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```python
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def generate_exam_by_file(
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file_path: str,
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collection: str,
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user_id: str = None,
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user_role: str = None,
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user_department: str = None,
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...
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) -> dict:
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inputs = {
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"file_path": file_path,
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"collection": collection,
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"user_id": user_id or "exam-system",
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"user_role": user_role or "admin",
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"user_department": user_department or "",
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...
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}
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```
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**对接后修改**:
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```python
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def generate_exam_by_file(
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file_path: str,
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collection: str,
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user_token: str = None, # 改为接收 token
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...
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) -> dict:
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inputs = {
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"file_path": file_path,
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"collection": collection,
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"user_token": user_token or "", # 传入 token
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...
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}
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```
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**exam_pkg/api.py 当前状态**:
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```python
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result = generate_exam_by_file(
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file_path=file_path,
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collection=collection,
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user_id=user.get('user_id'),
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user_role=user.get('role'),
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user_department=user.get('department'),
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...
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)
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```
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**对接后修改**:
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```python
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# 从请求头获取 Authorization token
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auth_header = request.headers.get('Authorization', '')
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user_token = auth_header.replace('Bearer ', '') if auth_header.startswith('Bearer ') else ''
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result = generate_exam_by_file(
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file_path=file_path,
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collection=collection,
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user_token=user_token, # 传递 token
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...
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)
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```
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### 7.3 auth/gateway.py
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**当前状态**:已支持网关注入 Header 认证,**无需修改**
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```python
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def require_gateway_auth(f):
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# 从 Header 读取用户信息
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user_id = request.headers.get('X-User-ID')
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username = request.headers.get('X-User-Name', '')
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role = request.headers.get('X-User-Role', '')
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department = request.headers.get('X-User-Department', '')
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# 必须有用户 ID
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if not user_id:
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return jsonify({"error": "缺少用户信息"}), 401
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# 将用户信息附加到 request 对象
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request.current_user = {...}
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```
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---
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## 八、测试验证
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### 8.1 网关认证测试
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```bash
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# 测试网关注入 Header
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curl -X POST http://localhost:5001/search \
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-H "Content-Type: application/json" \
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-H "X-User-ID: test_user" \
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-H "X-User-Role: admin" \
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-H "X-User-Department: finance" \
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-d '{"query": "测试", "top_k": 3}'
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```
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**预期结果**:返回搜索结果,无认证错误
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### 8.2 出题功能测试
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```bash
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# 测试出题接口(携带网关注入的 Header)
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curl -X POST http://localhost:5001/exam/generate-by-file \
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-H "Content-Type: application/json" \
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-H "X-User-ID: test_user" \
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-H "X-User-Role: admin" \
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-H "Authorization: Bearer <JWT_TOKEN>" \
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-d '{
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"file_path": "public/公司简介.txt",
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"collection": "public_kb",
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"choice_count": 2
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}'
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```
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**预期结果**:成功生成题目 JSON
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### 8.3 权限控制测试
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| 用户角色 | 可访问向量库 | 预期结果 |
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|---------|-------------|---------|
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| admin | 所有向量库 | ✅ 成功 |
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| manager (finance) | public_kb + dept_finance | ✅ 本部门成功,其他部门拒绝 |
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| user (hr) | public_kb + dept_hr(只读) | ✅ 只读成功,写入拒绝 |
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---
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## 九、回滚方案
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如果对接后出现问题,可以快速回滚到模拟测试模式:
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### 9.1 设置环境变量
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```bash
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# Windows
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set DEV_MODE=true
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# Linux/Mac
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export DEV_MODE=true
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```
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### 9.2 恢复工作流
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使用 Git 恢复工作流文件:
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```bash
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git checkout tests/自动出题(带溯源).yml
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git checkout tests/自动批卷\(带溯源\)\ .yml
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```
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---
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## 十、文件变更记录
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| 文件 | 变更 |
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|------|------|
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| auth/gateway.py | 新增,网关认证模块 |
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| api/auth_routes.py | 移除登录路由,使用网关认证 |
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| exam_pkg/api.py | 更新认证装饰器 |
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---
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## 十一、注意事项
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1. **角色映射**:如果后端的角色名称与本地不同,需要修改 `auth/gateway.py` 中的 `ROLE_MAPPING`
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2. **开发模式**:生产环境请确保不设置 `DEV_MODE=true`
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3. **前端**:前端由其他团队负责,需要他们确保请求经过网关
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4. **安全性**:敏感操作需要 admin 角色,确保权限控制正确
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---
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## 十二、变更记录
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| 日期 | 版本 | 变更内容 |
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|------|------|---------|
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| 2026-04-13 | 2.0 | 合并登录功能对接清单和网关认证对接说明 |
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| 2026-04-12 | 1.0 | 创建认证对接文档 |
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