增加了软件系统授权检查的功能
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backend/LICENSE_README.md
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# 软件授权控制系统使用说明
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## 概述
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本系统实现了基于数字签名的软件授权控制功能,支持离线授权验证和多种授权类型。
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## 文件结构
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```
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backend/
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├── devices/utils/license_manager.py # 授权管理核心模块
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├── tools/license_generator.py # 授权文件生成工具
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├── license_public_key.pem # 授权验证公钥
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├── sample_license.json # 示例授权文件
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├── dev_license.json # 开发测试授权文件
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├── config.ini # 配置文件(包含[LICENSE]节)
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└── LICENSE_README.md # 本说明文档
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```
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## 配置说明
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### 1. 配置文件设置
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在 `config.ini` 中的 `[LICENSE]` 节配置授权相关参数:
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```ini
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[LICENSE]
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# 授权文件路径
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path = dev_license.json
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# 公钥文件路径
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public_key = license_public_key.pem
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# 授权过期宽限期(天)
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grace_days = 7
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# 开发模式(跳过授权检查)
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dev_mode = True
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```
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### 2. 开发模式
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- 设置 `dev_mode = True` 可跳过授权检查,便于开发调试
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- 生产环境必须设置 `dev_mode = False`
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## 授权类型
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### 1. 试用版 (trial)
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- 功能限制:录制时长30分钟,最多10个会话
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- 适用于产品试用
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### 2. 标准版 (standard)
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- 功能:完整录制和导出功能
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- 限制:最多1000个会话,10个用户
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- 适用于中小型机构
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### 3. 专业版 (professional)
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- 功能:所有功能无限制使用
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- 包含高级分析功能
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- 适用于大型机构
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## 使用流程
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### 1. 生成密钥对(首次部署)
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```bash
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cd backend
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python tools/license_generator.py --generate-keys --private-key private_key.pem --public-key license_public_key.pem
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```
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### 2. 生成授权文件
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```bash
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# 生成标准版授权
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python tools/license_generator.py \
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--private-key private_key.pem \
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--license-id "STANDARD-2025-001" \
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--license-type standard \
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--company-name "天宏博科技" \
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--contact-info "contact@example.com" \
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--expires-days 365 \
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--output customer_license.json
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# 生成试用版授权
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python tools/license_generator.py \
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--private-key private_key.pem \
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--license-id "TRIAL-2024-001" \
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--license-type trial \
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--company-name "试用客户" \
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--expires-days 30 \
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--output trial_license.json
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```
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### 3. 部署授权文件
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1. 将生成的授权文件复制到客户端
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2. 更新 `config.ini` 中的 `path` 参数指向授权文件
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3. 确保 `dev_mode = False`
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4. 重启应用
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## API接口
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### 1. 获取授权信息
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```http
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GET /api/license/info
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```
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响应示例:
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```json
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{
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"success": true,
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"data": {
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"valid": true,
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"message": "授权有效",
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"license_type": "standard",
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"license_id": "STANDARD-2024-001",
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"expires_at": "2025-12-31T23:59:59Z",
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"features": {
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"recording": true,
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"export": true,
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"max_sessions": 1000
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},
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"machine_id": "ABC123..."
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}
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}
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```
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### 2. 生成激活请求
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```http
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POST /api/license/activation-request
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Content-Type: application/json
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{
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"company_name": "客户公司",
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"contact_info": "contact@customer.com"
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}
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```
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### 3. 验证授权文件
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```http
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POST /api/license/verify
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Content-Type: multipart/form-data
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license_file: [授权文件]
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```
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## 受保护的API
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以下API需要有效授权才能访问:
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- `POST /api/detection/start` - 需要 `recording` 功能
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- `POST /api/detection/{session_id}/stop` - 需要 `recording` 功能
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- `GET /api/detection/data/*` - 需要基础授权
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- `DELETE /api/detection/data/*` - 需要基础授权
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## 安全注意事项
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### 1. 私钥保护
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- 私钥文件必须妥善保管,不得泄露
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- 建议使用硬件安全模块(HSM)存储私钥
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- 定期轮换密钥对
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### 2. 授权文件保护
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- 授权文件包含数字签名,不可篡改
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- 建议通过安全渠道分发授权文件
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- 客户端应定期验证授权有效性
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### 3. 机器绑定
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- 可通过 `machine_id` 参数绑定特定机器
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- 使用 `*` 表示不限制机器
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- 机器指纹基于硬件信息生成
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## 故障排除
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### 1. 授权验证失败
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- 检查授权文件格式是否正确
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- 确认公钥文件路径配置正确
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- 验证授权文件签名是否有效
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### 2. 功能受限
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- 检查授权类型和功能权限
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- 确认授权是否过期
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- 验证机器ID是否匹配
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### 3. 开发调试
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- 临时启用 `dev_mode = True`
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- 查看日志文件获取详细错误信息
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- 使用 `dev_license.json` 进行测试
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## 技术支持
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如遇到授权相关问题,请提供以下信息:
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1. 错误日志
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2. 授权文件内容(去除签名)
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3. 机器硬件指纹
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4. 配置文件相关部分
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联系方式:[技术支持邮箱]
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15
backend/activation_request_W10-D13710C7BD317C29.json
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backend/activation_request_W10-D13710C7BD317C29.json
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{
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"product": "BodyBalanceEvaluation",
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"version": "1.0.0",
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"machine_id": "W10-D13710C7BD317C29",
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"platform": "Windows",
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"request_time": "2025-10-28T09:36:27.737157+00:00",
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"hardware_info": {
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"system": "Windows",
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"machine": "AMD64",
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"processor": "Intel64 Family 6 Model 165 Stepping 2, GenuineIntel",
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"node": "MSI"
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},
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"company_name": "测试公司",
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"contact_info": "test@example.com"
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}
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backend/data/license.json
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backend/data/license.json
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{
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"product": "BodyBalanceEvaluation",
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"version": "1.0",
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"license_id": "TRIAL-2025-002",
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"license_type": "trial",
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"company_name": "试用客户",
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"contact_info": "",
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"issued_at": "2025-10-28T09:31:17.852321+00:00",
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"expires_at": "2025-11-27T09:31:17.852321+00:00",
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"machine_id": "W10-D13710C7BD317C29",
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"features": {
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"recording": true,
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"export": true,
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"trial_limit_minutes": 30,
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"max_sessions": 10
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},
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"signature": "GOaHyLzqgmIDY0/ejaV/BF/VKF3kBh//G6WsS6dIDKn759UizrA0MQFDPmVWRLYCpCuJ+ChV2XB+Jnx+tjVsPh6eHThTbCs53o6AjH01p1uIBQvqphGWDVw5X8tsXdDNqfnrF08E2BXM4cQM5yt3R5RHhLUQbdAB3+ahxdL4u8RYh7upmYv1EyyGoV1ZvcM3x+BFvw9QPdbyt01O9uBmBK+YvNlRY74Q5fZ0jRrC/cbu7VWdX7HGHAIBaGZ3mYxUR7A5neBUaXVnM3d3wjJqWrd6cCsUm8ha/GfUxTop9NbxSAEwc5eHQFVxYOgv++iw8zwIRS+vx4PZPnmC7T952Q=="
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}
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418
backend/devices/utils/license_manager.py
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backend/devices/utils/license_manager.py
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"""
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软件授权管理模块
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提供硬件指纹生成、授权文件验证、数字签名校验等功能
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"""
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import json
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import hashlib
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import platform
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import subprocess
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import os
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import logging
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from datetime import datetime, timezone
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from typing import Dict, Any, Optional, Tuple
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from dataclasses import dataclass
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from cryptography.hazmat.primitives import hashes, serialization
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from cryptography.hazmat.primitives.asymmetric import rsa, padding
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from cryptography.exceptions import InvalidSignature
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import base64
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logger = logging.getLogger(__name__)
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@dataclass
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class LicenseStatus:
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"""授权状态数据类"""
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valid: bool = False
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message: str = ""
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license_type: str = ""
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expires_at: Optional[datetime] = None
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features: Dict[str, Any] = None
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license_id: str = ""
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def __post_init__(self):
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if self.features is None:
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self.features = {}
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class LicenseManager:
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"""授权管理器"""
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def __init__(self, config_manager=None):
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self.config_manager = config_manager
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self._machine_id = None
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self._license_cache = None
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self._cache_timestamp = None
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def get_machine_id(self) -> str:
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"""生成机器硬件指纹"""
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if self._machine_id:
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return self._machine_id
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try:
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# 收集硬件信息
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hardware_info = []
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# CPU信息
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try:
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if platform.system() == "Windows":
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result = subprocess.run(['wmic', 'cpu', 'get', 'ProcessorId', '/value'],
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capture_output=True, text=True, timeout=10)
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for line in result.stdout.split('\n'):
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if 'ProcessorId=' in line:
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cpu_id = line.split('=')[1].strip()
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if cpu_id:
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hardware_info.append(f"CPU:{cpu_id}")
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break
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else:
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# Linux/Mac 可以使用其他方法获取CPU信息
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pass
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except Exception as e:
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logger.warning(f"获取CPU信息失败: {e}")
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# 主板信息
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try:
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if platform.system() == "Windows":
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result = subprocess.run(['wmic', 'baseboard', 'get', 'SerialNumber', '/value'],
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capture_output=True, text=True, timeout=10)
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for line in result.stdout.split('\n'):
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if 'SerialNumber=' in line:
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board_serial = line.split('=')[1].strip()
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if board_serial and board_serial != "To be filled by O.E.M.":
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hardware_info.append(f"BOARD:{board_serial}")
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break
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except Exception as e:
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logger.warning(f"获取主板信息失败: {e}")
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# 磁盘信息
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try:
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if platform.system() == "Windows":
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result = subprocess.run(['wmic', 'diskdrive', 'get', 'SerialNumber', '/value'],
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capture_output=True, text=True, timeout=10)
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for line in result.stdout.split('\n'):
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if 'SerialNumber=' in line:
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disk_serial = line.split('=')[1].strip()
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if disk_serial:
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hardware_info.append(f"DISK:{disk_serial}")
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break
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except Exception as e:
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logger.warning(f"获取磁盘信息失败: {e}")
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# MAC地址
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try:
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import uuid
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mac = ':'.join(['{:02x}'.format((uuid.getnode() >> elements) & 0xff)
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for elements in range(0,2*6,2)][::-1])
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hardware_info.append(f"MAC:{mac}")
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except Exception as e:
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logger.warning(f"获取MAC地址失败: {e}")
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# 系统信息作为补充
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hardware_info.append(f"OS:{platform.system()}")
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hardware_info.append(f"MACHINE:{platform.machine()}")
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# 如果没有获取到足够的硬件信息,使用系统信息作为fallback
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if len(hardware_info) < 2:
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hardware_info.append(f"NODE:{platform.node()}")
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hardware_info.append(f"PROCESSOR:{platform.processor()}")
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# 生成指纹哈希
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combined_info = "|".join(sorted(hardware_info))
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machine_id = hashlib.sha256(combined_info.encode('utf-8')).hexdigest()[:16].upper()
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self._machine_id = f"W10-{machine_id}"
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logger.info(f"生成机器指纹: {self._machine_id}")
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return self._machine_id
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except Exception as e:
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logger.error(f"生成机器指纹失败: {e}")
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# 使用fallback方案
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fallback_info = f"{platform.system()}-{platform.node()}-{platform.machine()}"
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fallback_id = hashlib.md5(fallback_info.encode('utf-8')).hexdigest()[:12].upper()
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self._machine_id = f"FB-{fallback_id}"
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return self._machine_id
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def load_license(self, license_path: str) -> Optional[Dict[str, Any]]:
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"""加载授权文件"""
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try:
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if not os.path.exists(license_path):
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logger.warning(f"授权文件不存在: {license_path}")
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return None
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with open(license_path, 'r', encoding='utf-8') as f:
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license_data = json.load(f)
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# 基本字段验证
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required_fields = ['product', 'license_id', 'license_type', 'machine_id',
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'issued_at', 'expires_at', 'signature']
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for field in required_fields:
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if field not in license_data:
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logger.error(f"授权文件缺少必要字段: {field}")
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return None
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return license_data
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except json.JSONDecodeError as e:
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logger.error(f"授权文件格式错误: {e}")
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return None
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except Exception as e:
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logger.error(f"加载授权文件失败: {e}")
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return None
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def verify_signature(self, license_data: Dict[str, Any], public_key_path: str) -> bool:
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"""验证授权文件数字签名"""
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try:
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if not os.path.exists(public_key_path):
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logger.error(f"公钥文件不存在: {public_key_path}")
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return False
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# 加载公钥
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with open(public_key_path, 'rb') as f:
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public_key = serialization.load_pem_public_key(f.read())
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# 提取签名
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signature_b64 = license_data.get('signature', '')
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if not signature_b64:
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logger.error("授权文件缺少签名")
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return False
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try:
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signature = base64.b64decode(signature_b64)
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except Exception as e:
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logger.error(f"签名格式错误: {e}")
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return False
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# 构建待验证的数据(排除signature字段)
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license_copy = license_data.copy()
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license_copy.pop('signature', None)
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# 按键排序确保一致性
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sorted_data = json.dumps(license_copy, sort_keys=True, separators=(',', ':'))
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message = sorted_data.encode('utf-8')
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# 验证签名
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try:
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public_key.verify(
|
||||
signature,
|
||||
message,
|
||||
padding.PSS(
|
||||
mgf=padding.MGF1(hashes.SHA256()),
|
||||
salt_length=padding.PSS.MAX_LENGTH
|
||||
),
|
||||
hashes.SHA256()
|
||||
)
|
||||
return True
|
||||
except InvalidSignature:
|
||||
logger.error("授权文件签名验证失败")
|
||||
return False
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"签名验证过程出错: {e}")
|
||||
return False
|
||||
|
||||
def check_validity(self, license_data: Dict[str, Any], machine_id: str,
|
||||
grace_days: int = 0) -> Tuple[bool, str]:
|
||||
"""检查授权有效性"""
|
||||
try:
|
||||
# 检查产品匹配
|
||||
if license_data.get('product') != 'BodyBalanceEvaluation':
|
||||
return False, "授权文件产品不匹配"
|
||||
|
||||
# 检查机器绑定
|
||||
license_machine_id = license_data.get('machine_id', '')
|
||||
if license_machine_id != machine_id:
|
||||
return False, f"授权文件与当前机器不匹配 (当前: {machine_id}, 授权: {license_machine_id})"
|
||||
|
||||
# 检查有效期
|
||||
now = datetime.now(timezone.utc)
|
||||
|
||||
try:
|
||||
expires_at_str = license_data.get('expires_at', '')
|
||||
expires_at = datetime.fromisoformat(expires_at_str.replace('Z', '+00:00'))
|
||||
except Exception as e:
|
||||
return False, f"授权过期时间格式错误: {e}"
|
||||
|
||||
# 应用宽限期
|
||||
if grace_days > 0:
|
||||
from datetime import timedelta
|
||||
expires_at += timedelta(days=grace_days)
|
||||
|
||||
if now > expires_at:
|
||||
return False, f"授权已过期 (过期时间: {expires_at.strftime('%Y-%m-%d %H:%M:%S')})"
|
||||
|
||||
return True, "授权有效"
|
||||
|
||||
except Exception as e:
|
||||
return False, f"授权验证过程出错: {e}"
|
||||
|
||||
def get_license_status(self, force_reload: bool = False) -> LicenseStatus:
|
||||
"""获取当前授权状态"""
|
||||
try:
|
||||
# 检查缓存(避免频繁文件访问)
|
||||
if not force_reload and self._license_cache and self._cache_timestamp:
|
||||
cache_age = datetime.now().timestamp() - self._cache_timestamp
|
||||
if cache_age < 300: # 5分钟缓存
|
||||
return self._license_cache
|
||||
|
||||
# 获取配置
|
||||
if not self.config_manager:
|
||||
return LicenseStatus(valid=False, message="配置管理器未初始化")
|
||||
|
||||
license_path = self.config_manager.get_config_value('LICENSE', 'path', 'data/license.json')
|
||||
public_key_path = self.config_manager.get_config_value('LICENSE', 'public_key', 'backend/license_pub.pem')
|
||||
grace_days = int(self.config_manager.get_config_value('LICENSE', 'grace_days', '3'))
|
||||
|
||||
# 转换为绝对路径
|
||||
if not os.path.isabs(license_path):
|
||||
base_dir = os.path.dirname(os.path.dirname(os.path.dirname(__file__))) # backend目录
|
||||
license_path = os.path.join(base_dir, license_path)
|
||||
|
||||
if not os.path.isabs(public_key_path):
|
||||
base_dir = os.path.dirname(os.path.dirname(os.path.dirname(__file__))) # backend目录
|
||||
public_key_path = os.path.join(base_dir, public_key_path)
|
||||
|
||||
# 获取机器指纹
|
||||
machine_id = self.get_machine_id()
|
||||
|
||||
# 加载授权文件
|
||||
license_data = self.load_license(license_path)
|
||||
if not license_data:
|
||||
status = LicenseStatus(
|
||||
valid=False,
|
||||
message="授权文件不存在或格式错误,当前为试用模式",
|
||||
license_type="trial",
|
||||
features={"recording": True, "export": False, "trial_limit_minutes": 30}
|
||||
)
|
||||
self._license_cache = status
|
||||
self._cache_timestamp = datetime.now().timestamp()
|
||||
return status
|
||||
|
||||
# 验证签名
|
||||
if not self.verify_signature(license_data, public_key_path):
|
||||
status = LicenseStatus(
|
||||
valid=False,
|
||||
message="授权文件签名验证失败",
|
||||
license_type="invalid"
|
||||
)
|
||||
self._license_cache = status
|
||||
self._cache_timestamp = datetime.now().timestamp()
|
||||
return status
|
||||
|
||||
# 检查有效性
|
||||
is_valid, message = self.check_validity(license_data, machine_id, grace_days)
|
||||
|
||||
if is_valid:
|
||||
# 解析过期时间
|
||||
expires_at = None
|
||||
try:
|
||||
expires_at_str = license_data.get('expires_at', '')
|
||||
expires_at = datetime.fromisoformat(expires_at_str.replace('Z', '+00:00'))
|
||||
except:
|
||||
pass
|
||||
|
||||
status = LicenseStatus(
|
||||
valid=True,
|
||||
message=message,
|
||||
license_type=license_data.get('license_type', 'unknown'),
|
||||
expires_at=expires_at,
|
||||
features=license_data.get('features', {}),
|
||||
license_id=license_data.get('license_id', '')
|
||||
)
|
||||
else:
|
||||
status = LicenseStatus(
|
||||
valid=False,
|
||||
message=message,
|
||||
license_type=license_data.get('license_type', 'unknown'),
|
||||
license_id=license_data.get('license_id', '')
|
||||
)
|
||||
|
||||
# 缓存结果
|
||||
self._license_cache = status
|
||||
self._cache_timestamp = datetime.now().timestamp()
|
||||
|
||||
return status
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"获取授权状态失败: {e}")
|
||||
status = LicenseStatus(
|
||||
valid=False,
|
||||
message=f"授权检查出错: {str(e)}",
|
||||
license_type="error"
|
||||
)
|
||||
return status
|
||||
|
||||
def verify_license_file(self, license_path: str) -> Tuple[bool, str]:
|
||||
"""验证指定授权文件的签名与有效性
|
||||
|
||||
Returns:
|
||||
(bool, str): 验证结果与消息
|
||||
"""
|
||||
try:
|
||||
if not self.config_manager:
|
||||
return False, "配置管理器未初始化"
|
||||
|
||||
# 解析公钥路径与宽限期
|
||||
public_key_path = self.config_manager.get_config_value('LICENSE', 'public_key', 'backend/license_pub.pem')
|
||||
grace_days = int(self.config_manager.get_config_value('LICENSE', 'grace_days', '3'))
|
||||
|
||||
# 转换为绝对路径(相对backend目录)
|
||||
if not os.path.isabs(public_key_path):
|
||||
base_dir = os.path.dirname(os.path.dirname(os.path.dirname(__file__)))
|
||||
public_key_path = os.path.join(base_dir, public_key_path)
|
||||
|
||||
if not os.path.exists(license_path):
|
||||
return False, f"授权文件不存在: {license_path}"
|
||||
|
||||
# 加载授权文件
|
||||
data = self.load_license(license_path)
|
||||
if not data:
|
||||
return False, "授权文件格式错误或缺少必要字段"
|
||||
|
||||
# 验证签名
|
||||
if not self.verify_signature(data, public_key_path):
|
||||
return False, "授权文件签名验证失败"
|
||||
|
||||
# 检查有效性(机器绑定 + 过期判断)
|
||||
machine_id = self.get_machine_id()
|
||||
is_valid, message = self.check_validity(data, machine_id, grace_days)
|
||||
return is_valid, message
|
||||
except Exception as e:
|
||||
logger.error(f"验证授权文件失败: {e}")
|
||||
return False, f"验证过程出错: {str(e)}"
|
||||
|
||||
def generate_activation_request(self, output_path: str = None, company_name: str = None, contact_info: str = None) -> str:
|
||||
"""生成激活请求文件(离线激活用)"""
|
||||
try:
|
||||
machine_id = self.get_machine_id()
|
||||
|
||||
request_data = {
|
||||
"product": "BodyBalanceEvaluation",
|
||||
"version": "1.0.0",
|
||||
"machine_id": machine_id,
|
||||
"platform": platform.system(),
|
||||
"request_time": datetime.now(timezone.utc).isoformat(),
|
||||
"hardware_info": {
|
||||
"system": platform.system(),
|
||||
"machine": platform.machine(),
|
||||
"processor": platform.processor(),
|
||||
"node": platform.node()
|
||||
}
|
||||
}
|
||||
|
||||
if company_name:
|
||||
request_data["company_name"] = company_name
|
||||
if contact_info:
|
||||
request_data["contact_info"] = contact_info
|
||||
|
||||
if not output_path:
|
||||
output_path = f"activation_request_{machine_id}.json"
|
||||
|
||||
with open(output_path, 'w', encoding='utf-8') as f:
|
||||
json.dump(request_data, f, indent=2, ensure_ascii=False)
|
||||
|
||||
logger.info(f"激活请求文件已生成: {output_path}")
|
||||
return output_path
|
||||
|
||||
except Exception as e:
|
||||
logger.error(f"生成激活请求失败: {e}")
|
||||
raise
|
||||
9
backend/license_public_key.pem
Normal file
9
backend/license_public_key.pem
Normal file
@ -0,0 +1,9 @@
|
||||
-----BEGIN PUBLIC KEY-----
|
||||
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs+14cr3rRW3fMjQBF6/6
|
||||
KlvQZYJuC7CF6SltxO4d2aUaVqIU1qjksSpwI8p0oLJWIf8jf5+PW6KPx1sIhkBw
|
||||
NVc8kUC2RKESOr/wwffnH42UZskts4pDD25w3md2X4j5lLMg4R0Bny7zco/D0YjD
|
||||
c0wpJ6rRkczMIuObugUjsEr+iCvZE6Na0kctHqiLdzwTMEiLuS2iU8r4I8AfGvbQ
|
||||
K5uJd1zFuEchgIjJgzizCah4E7QeKOyxPchJL5/tNPlAqI5nWSjBtTigQWPJuoXc
|
||||
7jaIj8osmAuIAVxKvKqaqhfgEDLfEYdY3S6JPOFRPJ8zHgP05RDyaWGao15AwODk
|
||||
DwIDAQAB
|
||||
-----END PUBLIC KEY-----
|
||||
28
backend/private_key.pem
Normal file
28
backend/private_key.pem
Normal file
@ -0,0 +1,28 @@
|
||||
-----BEGIN PRIVATE KEY-----
|
||||
MIIEvgIBADANBgkqhkiG9w0BAQEFAASCBKgwggSkAgEAAoIBAQCz7XhyvetFbd8y
|
||||
NAEXr/oqW9Blgm4LsIXpKW3E7h3ZpRpWohTWqOSxKnAjynSgslYh/yN/n49boo/H
|
||||
WwiGQHA1VzyRQLZEoRI6v/DB9+cfjZRmyS2zikMPbnDeZ3ZfiPmUsyDhHQGfLvNy
|
||||
j8PRiMNzTCknqtGRzMwi45u6BSOwSv6IK9kTo1rSRy0eqIt3PBMwSIu5LaJTyvgj
|
||||
wB8a9tArm4l3XMW4RyGAiMmDOLMJqHgTtB4o7LE9yEkvn+00+UCojmdZKMG1OKBB
|
||||
Y8m6hdzuNoiPyiyYC4gBXEq8qpqqF+AQMt8Rh1jdLok84VE8nzMeA/TlEPJpYZqj
|
||||
XkDA4OQPAgMBAAECggEATJMGnXKlc+1wPYnzYxTiV2+uz9zEH9Z3D0Wx8UtTyeJh
|
||||
xLgDPV4wwhOpGRpbK17qmFpgzbpnBR04qqPcC2LWPmVLohfT2n5gZz9z4+Ew7HVR
|
||||
ULNS72Oq6aDbiVOoBb2iVn4rwpKZM5mEQ1/a+0yEvgeORlMFENODl1+d0XvJdgel
|
||||
3y5M1lcHCxzbDAnJcG/qY+QpTRA04GxzdUSUS0+k7aOUBj4aTpnQF3qMRL7y9Vwj
|
||||
FCJvnitUQHy9AgqnP5sVLYwKKXEIyTJpFPRpfyF6N6/qOhJKA4FA+bjEpSyIzwBf
|
||||
CzB7KC+a9HE6t8RcECdjHTJ5UzX/GZGz1FPy0PNPqQKBgQDe6wuOirzUqHsZyXE+
|
||||
2Jkvb0Q/uawfBgggTDgiwDNgghDvig+GO0HDdgre9xIoRaavoGx/oihgUjTZTEvh
|
||||
refuyZ3Ps65VaTs0bYSQmo2QIKuLn4DWHXt3mJoIs4b1WRGUNBsJ8LJYopkX9O2f
|
||||
6FKTxr/u6Xx1EtxHNJvQqITMlwKBgQDOoSiR5nr3wRAnrrKvX3QO74X8eWGsatSs
|
||||
XcZD8CW9TyNytGFuT2q34/bSQQqg62ZesthE1XtEB+MJd85hrt8WmZlzU9pKIfNx
|
||||
EwdcX80vjemLgdek1jwA8ZyJLZ4DPlqhwWW9ivIrK27eY70n83xaNCFBWzPWg9Ke
|
||||
S9Lqmbp7SQKBgQDNhfmOvz0f+AIfIUnGvp5lTHmpIz+dDsuZM4yiBYCY3vJMV4a+
|
||||
pI2ab4/QSA02khj/XbIK7u+49rIBEkX32YW3860LHUeDOdU7HioVxFj2ZBilTzbS
|
||||
sjXuawTBNvwb4rXBZVT0kjVsYOUzYD9hqinQU3MMC7sSmYP8JnXuKCDgGwKBgQCC
|
||||
i2TzULct4ibPu1qe2+KaMQ/oo9NmuBPnVlOVxppBUUdnB7lqlPgqd/cPfRI2+qIx
|
||||
gDKMwodfQtBYwf18z5uYTrCZIUgPgAWq0cfbv5cFzVXY0s6oEMXWHs+0B0MGb5WZ
|
||||
DnO13ZwEVCt2i3MNU5Kj9r1v6iwFAkHFysfVegxMKQKBgAa8oGcD5YIa3IdnxJZ6
|
||||
VfrT0czUV+KAebVApvCc65P60uCuOMpPyKRSALfI9waaBxzU0wQar97fnvnHxGMi
|
||||
mj0/ZAYj3oDsr7Vgl6XcC+fp8MoADFERMaOf2yt22RltNRWMphTjjPQg574P2IPS
|
||||
7uosOvPdzcTmZlFLS3L/ijsW
|
||||
-----END PRIVATE KEY-----
|
||||
19
backend/sample_license.json
Normal file
19
backend/sample_license.json
Normal file
@ -0,0 +1,19 @@
|
||||
{
|
||||
"license_info": {
|
||||
"license_id": "DEMO-2024-001",
|
||||
"license_type": "standard",
|
||||
"company_name": "示例公司",
|
||||
"contact_info": "demo@example.com",
|
||||
"issued_at": "2024-01-01T00:00:00Z",
|
||||
"expires_at": "2025-12-31T23:59:59Z",
|
||||
"machine_id": "*",
|
||||
"features": {
|
||||
"recording": true,
|
||||
"export": true,
|
||||
"max_sessions": 1000,
|
||||
"max_users": 10
|
||||
},
|
||||
"version": "1.0"
|
||||
},
|
||||
"signature": "demo_signature_placeholder_for_development_testing_only_not_for_production_use_please_generate_proper_signature_using_private_key_when_deploying_to_production_environment"
|
||||
}
|
||||
216
backend/tools/license_generator.py
Normal file
216
backend/tools/license_generator.py
Normal file
@ -0,0 +1,216 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
授权文件生成工具
|
||||
用于生成和签名授权文件
|
||||
"""
|
||||
|
||||
import json
|
||||
import os
|
||||
import sys
|
||||
import argparse
|
||||
from datetime import datetime, timedelta
|
||||
from cryptography.hazmat.primitives import hashes, serialization
|
||||
from cryptography.hazmat.primitives.asymmetric import rsa, padding
|
||||
import base64
|
||||
|
||||
class LicenseGenerator:
|
||||
"""授权文件生成器"""
|
||||
|
||||
def __init__(self, private_key_path=None):
|
||||
"""
|
||||
初始化授权生成器
|
||||
|
||||
Args:
|
||||
private_key_path: 私钥文件路径
|
||||
"""
|
||||
self.private_key = None
|
||||
if private_key_path and os.path.exists(private_key_path):
|
||||
self.load_private_key(private_key_path)
|
||||
|
||||
def generate_key_pair(self, private_key_path, public_key_path):
|
||||
"""
|
||||
生成RSA密钥对
|
||||
|
||||
Args:
|
||||
private_key_path: 私钥保存路径
|
||||
public_key_path: 公钥保存路径
|
||||
"""
|
||||
# 生成私钥
|
||||
private_key = rsa.generate_private_key(
|
||||
public_exponent=65537,
|
||||
key_size=2048
|
||||
)
|
||||
|
||||
# 保存私钥
|
||||
with open(private_key_path, 'wb') as f:
|
||||
f.write(private_key.private_bytes(
|
||||
encoding=serialization.Encoding.PEM,
|
||||
format=serialization.PrivateFormat.PKCS8,
|
||||
encryption_algorithm=serialization.NoEncryption()
|
||||
))
|
||||
|
||||
# 保存公钥
|
||||
public_key = private_key.public_key()
|
||||
with open(public_key_path, 'wb') as f:
|
||||
f.write(public_key.public_bytes(
|
||||
encoding=serialization.Encoding.PEM,
|
||||
format=serialization.PublicFormat.SubjectPublicKeyInfo
|
||||
))
|
||||
|
||||
self.private_key = private_key
|
||||
print(f"密钥对已生成:")
|
||||
print(f" 私钥: {private_key_path}")
|
||||
print(f" 公钥: {public_key_path}")
|
||||
|
||||
def load_private_key(self, private_key_path):
|
||||
"""
|
||||
加载私钥
|
||||
|
||||
Args:
|
||||
private_key_path: 私钥文件路径
|
||||
"""
|
||||
with open(private_key_path, 'rb') as f:
|
||||
self.private_key = serialization.load_pem_private_key(
|
||||
f.read(),
|
||||
password=None
|
||||
)
|
||||
|
||||
def generate_license(self, license_info, output_path):
|
||||
"""
|
||||
生成授权文件
|
||||
|
||||
Args:
|
||||
license_info: 授权信息字典
|
||||
output_path: 输出文件路径
|
||||
"""
|
||||
if not self.private_key:
|
||||
raise ValueError("未加载私钥,无法生成签名")
|
||||
|
||||
# 创建授权数据(与 LicenseManager 要求的顶层结构一致)
|
||||
license_data = {
|
||||
"product": "BodyBalanceEvaluation",
|
||||
"version": license_info.get("version", "1.0"),
|
||||
"license_id": license_info.get("license_id"),
|
||||
"license_type": license_info.get("license_type"),
|
||||
"company_name": license_info.get("company_name", ""),
|
||||
"contact_info": license_info.get("contact_info", ""),
|
||||
"issued_at": license_info.get("issued_at"),
|
||||
"expires_at": license_info.get("expires_at"),
|
||||
"machine_id": license_info.get("machine_id", "*"),
|
||||
"features": license_info.get("features", {}),
|
||||
}
|
||||
|
||||
# 生成签名(对除 signature 外的全部字段进行排序后签名)
|
||||
sorted_json = json.dumps(license_data, sort_keys=True, separators=(',', ':'))
|
||||
signature = self.private_key.sign(
|
||||
sorted_json.encode('utf-8'),
|
||||
padding.PSS(
|
||||
mgf=padding.MGF1(hashes.SHA256()),
|
||||
salt_length=padding.PSS.MAX_LENGTH
|
||||
),
|
||||
hashes.SHA256()
|
||||
)
|
||||
|
||||
# 将签名编码为base64并写入
|
||||
license_data["signature"] = base64.b64encode(signature).decode('utf-8')
|
||||
|
||||
# 保存授权文件
|
||||
with open(output_path, 'w', encoding='utf-8') as f:
|
||||
json.dump(license_data, f, indent=2, ensure_ascii=False)
|
||||
|
||||
print(f"授权文件已生成: {output_path}")
|
||||
return license_data
|
||||
|
||||
def main():
|
||||
"""主函数"""
|
||||
parser = argparse.ArgumentParser(description='授权文件生成工具')
|
||||
parser.add_argument('--generate-keys', action='store_true', help='生成密钥对')
|
||||
parser.add_argument('--private-key', help='私钥文件路径')
|
||||
parser.add_argument('--public-key', help='公钥文件路径')
|
||||
parser.add_argument('--license-id', help='授权ID')
|
||||
parser.add_argument('--license-type', choices=['trial', 'standard', 'professional'],
|
||||
default='standard', help='授权类型')
|
||||
parser.add_argument('--company-name', help='公司名称')
|
||||
parser.add_argument('--contact-info', help='联系信息')
|
||||
parser.add_argument('--expires-days', type=int, default=365, help='有效期天数')
|
||||
parser.add_argument('--machine-id', help='机器ID(留空表示不限制)')
|
||||
parser.add_argument('--output', help='输出授权文件路径')
|
||||
|
||||
args = parser.parse_args()
|
||||
|
||||
generator = LicenseGenerator()
|
||||
|
||||
# 生成密钥对
|
||||
if args.generate_keys:
|
||||
if not args.private_key or not args.public_key:
|
||||
print("错误: 生成密钥对需要指定 --private-key 和 --public-key 参数")
|
||||
return
|
||||
|
||||
generator.generate_key_pair(args.private_key, args.public_key)
|
||||
return
|
||||
|
||||
# 生成授权文件
|
||||
if not args.license_id or not args.company_name or not args.output:
|
||||
print("错误: 生成授权文件需要指定 --license-id, --company-name 和 --output 参数")
|
||||
return
|
||||
|
||||
if not args.private_key or not os.path.exists(args.private_key):
|
||||
print("错误: 需要指定有效的私钥文件路径")
|
||||
return
|
||||
|
||||
# 加载私钥
|
||||
generator.load_private_key(args.private_key)
|
||||
|
||||
# 创建授权信息
|
||||
from datetime import timezone
|
||||
now = datetime.now(timezone.utc)
|
||||
expires_at = now + timedelta(days=args.expires_days)
|
||||
|
||||
# 根据授权类型设置功能
|
||||
features = {
|
||||
"recording": True,
|
||||
"export": True
|
||||
}
|
||||
|
||||
if args.license_type == 'trial':
|
||||
features.update({
|
||||
"trial_limit_minutes": 30,
|
||||
"max_sessions": 10
|
||||
})
|
||||
elif args.license_type == 'standard':
|
||||
features.update({
|
||||
"max_sessions": 1000,
|
||||
"max_users": 10
|
||||
})
|
||||
elif args.license_type == 'professional':
|
||||
features.update({
|
||||
"max_sessions": -1, # 无限制
|
||||
"max_users": -1, # 无限制
|
||||
"advanced_analytics": True
|
||||
})
|
||||
|
||||
license_info = {
|
||||
"license_id": args.license_id,
|
||||
"license_type": args.license_type,
|
||||
"company_name": args.company_name,
|
||||
"contact_info": args.contact_info or "",
|
||||
"issued_at": now.isoformat(),
|
||||
"expires_at": expires_at.isoformat(),
|
||||
"machine_id": args.machine_id or "*",
|
||||
"features": features,
|
||||
"version": "1.0"
|
||||
}
|
||||
|
||||
# 生成授权文件
|
||||
generator.generate_license(license_info, args.output)
|
||||
|
||||
print("\n授权信息:")
|
||||
print(f" 授权ID: {license_info['license_id']}")
|
||||
print(f" 授权类型: {license_info['license_type']}")
|
||||
print(f" 公司名称: {license_info['company_name']}")
|
||||
print(f" 有效期: {license_info['expires_at']}")
|
||||
print(f" 功能: {', '.join(license_info['features'].keys())}")
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
133
backend/tools/test_license_system.py
Normal file
133
backend/tools/test_license_system.py
Normal file
@ -0,0 +1,133 @@
|
||||
#!/usr/bin/env python3
|
||||
# -*- coding: utf-8 -*-
|
||||
"""
|
||||
授权系统快速验证脚本
|
||||
- 直接验证 LicenseManager 的功能(机器指纹、授权状态、签名与有效性)
|
||||
- 尝试(条件允许时)通过 Flask 测试客户端验证授权相关API
|
||||
"""
|
||||
|
||||
import os
|
||||
import sys
|
||||
import json
|
||||
import logging
|
||||
|
||||
logging.basicConfig(level=logging.INFO, format='%(asctime)s %(levelname)s %(message)s')
|
||||
|
||||
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) # backend 目录
|
||||
|
||||
def main():
|
||||
# 允许从backend导入
|
||||
if BASE_DIR not in sys.path:
|
||||
sys.path.append(BASE_DIR)
|
||||
|
||||
# 导入配置与授权管理器
|
||||
from devices.utils.config_manager import ConfigManager
|
||||
from devices.utils.license_manager import LicenseManager
|
||||
|
||||
cfg = ConfigManager()
|
||||
# 确保LICENSE配置项存在并指向开发文件
|
||||
cfg.set_config_value('LICENSE', 'path', 'trial_license_bind.json')
|
||||
cfg.set_config_value('LICENSE', 'public_key', 'license_public_key.pem')
|
||||
cfg.set_config_value('LICENSE', 'grace_days', '7')
|
||||
|
||||
lm = LicenseManager(cfg)
|
||||
|
||||
# 1) 机器指纹
|
||||
machine_id = lm.get_machine_id()
|
||||
print(f"Machine ID: {machine_id}")
|
||||
|
||||
# 2) 授权状态
|
||||
status = lm.get_license_status(force_reload=True)
|
||||
print("License Status:")
|
||||
print(json.dumps({
|
||||
'valid': status.valid,
|
||||
'message': status.message,
|
||||
'license_type': status.license_type,
|
||||
'license_id': status.license_id,
|
||||
'expires_at': status.expires_at.isoformat() if status.expires_at else None,
|
||||
'features': status.features,
|
||||
}, ensure_ascii=False, indent=2))
|
||||
|
||||
# 3) 验证授权文件(示例/开发文件通常为占位签名,会失败属正常)
|
||||
dev_license_path = os.path.join(BASE_DIR, 'dev_license.json')
|
||||
ok, msg = lm.verify_license_file(dev_license_path)
|
||||
print(f"Verify dev_license.json -> ok={ok}, msg={msg}")
|
||||
|
||||
sample_license_path = os.path.join(BASE_DIR, 'sample_license.json')
|
||||
if os.path.exists(sample_license_path):
|
||||
ok2, msg2 = lm.verify_license_file(sample_license_path)
|
||||
print(f"Verify sample_license.json -> ok={ok2}, msg={msg2}")
|
||||
else:
|
||||
print("sample_license.json not found; skip signature test for sample.")
|
||||
|
||||
# 3.1) 如果存在通过工具生成的试用授权文件,验证其签名(应为成功)
|
||||
trial_license_path = os.path.join(BASE_DIR, 'trial_license.json')
|
||||
if os.path.exists(trial_license_path):
|
||||
ok3, msg3 = lm.verify_license_file(trial_license_path)
|
||||
print(f"Verify trial_license.json -> ok={ok3}, msg={msg3}")
|
||||
else:
|
||||
print("trial_license.json not found; skip trial license verification.")
|
||||
|
||||
# 3.2) 验证绑定机器ID的试用授权文件(如存在,应成功)
|
||||
trial_bind_path = os.path.join(BASE_DIR, 'trial_license_bind.json')
|
||||
if os.path.exists(trial_bind_path):
|
||||
ok4, msg4 = lm.verify_license_file(trial_bind_path)
|
||||
print(f"Verify trial_license_bind.json -> ok={ok4}, msg={msg4}")
|
||||
else:
|
||||
print("trial_license_bind.json not found; skip bind license verification.")
|
||||
|
||||
# 4) 尝试通过 Flask 测试客户端访问授权API(如果 main.py 可正常导入)
|
||||
try:
|
||||
from main import AppServer
|
||||
server = AppServer(debug=True)
|
||||
# 手动注入授权管理器与状态,避免调用 init_app 引发硬件初始化
|
||||
server.license_manager = lm
|
||||
server.config_manager = cfg
|
||||
server.license_status = status
|
||||
client = server.app.test_client()
|
||||
|
||||
# /api/license/info
|
||||
resp = client.get('/api/license/info')
|
||||
print("GET /api/license/info ->", resp.status_code)
|
||||
try:
|
||||
print(json.dumps(resp.get_json(), ensure_ascii=False, indent=2))
|
||||
except Exception:
|
||||
print(resp.data.decode('utf-8', errors='ignore'))
|
||||
|
||||
# /api/license/activation-request
|
||||
resp2 = client.post('/api/license/activation-request', json={
|
||||
'company_name': '测试公司',
|
||||
'contact_info': 'test@example.com'
|
||||
})
|
||||
print("POST /api/license/activation-request ->", resp2.status_code)
|
||||
try:
|
||||
print(json.dumps(resp2.get_json(), ensure_ascii=False, indent=2))
|
||||
except Exception:
|
||||
print(resp2.data.decode('utf-8', errors='ignore'))
|
||||
|
||||
# /api/license/verify 使用占位签名文件,会返回失败用于验证路径与流程
|
||||
# 优先使用通过工具生成的 trial_license.json(如存在),否则使用 dev_license.json
|
||||
# 优先顺序:trial_license_bind.json -> trial_license.json -> dev_license.json
|
||||
if os.path.exists(trial_bind_path):
|
||||
post_file_path = trial_bind_path
|
||||
elif os.path.exists(trial_license_path):
|
||||
post_file_path = trial_license_path
|
||||
else:
|
||||
post_file_path = dev_license_path
|
||||
with open(post_file_path, 'rb') as f:
|
||||
data = {
|
||||
'license_file': (f, os.path.basename(post_file_path))
|
||||
}
|
||||
resp3 = client.post('/api/license/verify', content_type='multipart/form-data', data=data)
|
||||
print("POST /api/license/verify ->", resp3.status_code)
|
||||
try:
|
||||
print(json.dumps(resp3.get_json(), ensure_ascii=False, indent=2))
|
||||
except Exception:
|
||||
print(resp3.data.decode('utf-8', errors='ignore'))
|
||||
|
||||
except Exception as e:
|
||||
print(f"Skip API tests due to import error or environment issue: {e}")
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
main()
|
||||
19
backend/trial_license.json
Normal file
19
backend/trial_license.json
Normal file
@ -0,0 +1,19 @@
|
||||
{
|
||||
"license_info": {
|
||||
"license_id": "TRIAL-2025-001",
|
||||
"license_type": "trial",
|
||||
"company_name": "试用客户",
|
||||
"contact_info": "",
|
||||
"issued_at": "2025-10-28T09:29:58.838671Z",
|
||||
"expires_at": "2025-11-27T09:29:58.838671Z",
|
||||
"machine_id": "*",
|
||||
"features": {
|
||||
"recording": true,
|
||||
"export": true,
|
||||
"trial_limit_minutes": 30,
|
||||
"max_sessions": 10
|
||||
},
|
||||
"version": "1.0"
|
||||
},
|
||||
"signature": "eiIev9M1OvY+n69WTzpRioAt4uSexHKu0awiIofAW/MeIBVxK39LwmhNVqkmWkGGn/Akv0JubNhtWOXAg6vf+B52m1BBdplM8D+5rEzCozZVf/Smylz8GZXPFtXsX0PVzz8T7tF9fq4Eu9reJs+L3iBwj6j5HItIj7zphmwnYhc1RVbjFdLM47IDCBcY1QBIYOZlIglgPjJqVI8mYsirEMwB5xVT32rk5dN8TotKDrUs+tv9nd8BoOzhIg8YaLytlUnMSOC2SXyi3Qn8DMawjVzZHijl+c82/VT5a2DO+m6c0nB3zvoqB40lboGJF//URwmiT/XeUMgAtui8JFThwQ=="
|
||||
}
|
||||
18
backend/trial_license_bind.json
Normal file
18
backend/trial_license_bind.json
Normal file
@ -0,0 +1,18 @@
|
||||
{
|
||||
"product": "BodyBalanceEvaluation",
|
||||
"version": "1.0",
|
||||
"license_id": "TRIAL-2025-002",
|
||||
"license_type": "trial",
|
||||
"company_name": "试用客户",
|
||||
"contact_info": "",
|
||||
"issued_at": "2025-10-28T09:31:17.852321+00:00",
|
||||
"expires_at": "2025-11-27T09:31:17.852321+00:00",
|
||||
"machine_id": "W10-D13710C7BD317C29",
|
||||
"features": {
|
||||
"recording": true,
|
||||
"export": true,
|
||||
"trial_limit_minutes": 30,
|
||||
"max_sessions": 10
|
||||
},
|
||||
"signature": "GOaHyLzqgmIDY0/ejaV/BF/VKF3kBh//G6WsS6dIDKn759UizrA0MQFDPmVWRLYCpCuJ+ChV2XB+Jnx+tjVsPh6eHThTbCs53o6AjH01p1uIBQvqphGWDVw5X8tsXdDNqfnrF08E2BXM4cQM5yt3R5RHhLUQbdAB3+ahxdL4u8RYh7upmYv1EyyGoV1ZvcM3x+BFvw9QPdbyt01O9uBmBK+YvNlRY74Q5fZ0jRrC/cbu7VWdX7HGHAIBaGZ3mYxUR7A5neBUaXVnM3d3wjJqWrd6cCsUm8ha/GfUxTop9NbxSAEwc5eHQFVxYOgv++iw8zwIRS+vx4PZPnmC7T952Q=="
|
||||
}
|
||||
168
document/软件使用授权控制方案.md
Normal file
168
document/软件使用授权控制方案.md
Normal file
@ -0,0 +1,168 @@
|
||||
# 软件使用授权控制方案(BodyBalanceEvaluation)
|
||||
|
||||
本文档针对 BodyBalanceEvaluation 的当前技术架构(Electron + 前端、Python Flask 后端、Windows 打包)设计一套合理、可落地的软件使用授权控制方案。方案兼顾离线可用、安全可靠、易于运维与用户体验。
|
||||
|
||||
## 目标与原则
|
||||
|
||||
- 合法控制软件使用范围与授权期限,满足试用、商用等场景。
|
||||
- 支持离线运行(无网络环境),可选在线激活与续期。
|
||||
- 与当前项目架构低耦合,易于集成与维护。
|
||||
- 安全合规:私钥不落地、授权文件不可伪造、关键流程可审计。
|
||||
|
||||
## 授权类型
|
||||
|
||||
- 试用授权(Trial):
|
||||
- 有效期短(如 7/14/30 天),功能有限制(如录制时长、导出功能、带水印)。
|
||||
- 标准授权(Per-Device):
|
||||
- 绑定单机硬件指纹,在有效期内完整功能可用。
|
||||
|
||||
|
||||
## 授权架构设计
|
||||
|
||||
- 离线优先 + 在线可选:
|
||||
- 核心授权依赖本地授权文件(License File)。
|
||||
- 在线激活与续期通过授权服务器获取签名授权文件。
|
||||
- 授权文件(License)格式:JSON + 数字签名(RSA/ECC):
|
||||
- 字段示例:
|
||||
```json
|
||||
{
|
||||
"product": "BodyBalanceEvaluation",
|
||||
"version": "1.0.0",
|
||||
"license_id": "LIC-2025-0001",
|
||||
"license_type": "per_device",
|
||||
"machine_id": "W10-ABCDEF123456",
|
||||
"issued_at": "2025-10-01T00:00:00Z",
|
||||
"expires_at": "2026-10-01T00:00:00Z",
|
||||
"features": { "recording": true, "export": true, "trial_limit_minutes": null },
|
||||
"signature": "<RSA-SHA256-BASE64>"
|
||||
}
|
||||
```
|
||||
- 私钥仅存放在授权服务器,后端内嵌公钥用于验证签名。
|
||||
- 授权关联:
|
||||
- `machine_id` 使用硬件指纹(CPU/主板/磁盘序列/MAC 等)生成并哈希化。
|
||||
- 授权文件通过签名绑定 `machine_id`,离线不可移植至不同机器。
|
||||
|
||||
## 集成点与流程
|
||||
|
||||
### 后端集成(Python Flask)
|
||||
|
||||
- 配置路径:统一通过设备侧 `ConfigManager` 读取授权文件路径与公钥路径。
|
||||
- `backend/devices/utils/config_manager.py`
|
||||
- `config.ini` 示例:
|
||||
```ini
|
||||
[LICENSE]
|
||||
path = data/license.json
|
||||
public_key = backend/license_pub.pem
|
||||
grace_days = 3
|
||||
```
|
||||
- 初始化检查:在 `backend/main.py` 的 `AppServer.init_app()` 中执行:
|
||||
- 生成或读取 `machine_id`(硬件指纹)。
|
||||
- 加载授权文件,校验签名与有效期、匹配 `machine_id`。
|
||||
- 记录授权状态(有效、过期、试用、无授权)到日志与数据库(可选)。
|
||||
- API 访问控制:
|
||||
- 对关键路由施加授权检查(装饰器/中间件),如:
|
||||
- `POST /api/detection/start`、`/stop`、数据导出、录制等。
|
||||
- 授权失败返回明确的错误码与提示(含续期/激活建议)。
|
||||
- 试用/降级策略:
|
||||
- 提供最小可用功能(如实时预览)但限制录制时长或导出。
|
||||
- 局部特性禁用或添加水印(在屏幕录制或图像导出路径中处理)。
|
||||
- 容错与灰度:
|
||||
- 支持 `grace_days` 宽限期(网络异常或时间漂移时可用)。
|
||||
- 缓存最近一次有效授权状态,定时复核(避免频繁磁盘访问)。
|
||||
|
||||
### 前端集成(Electron + 前端页面)
|
||||
|
||||
- 激活流程:
|
||||
- 提供激活页:显示 `machine_id` 与授权状态。
|
||||
- 在线激活:提交序列号/订单号至授权服务器,服务端返回签名授权文件;前端保存至 `[LICENSE].path`。
|
||||
- 离线激活:导出激活请求文件(含 `machine_id` 与产品信息),由管理员获取授权文件后导入。
|
||||
- 交互与提示:
|
||||
- 主界面顶部/设置页显示授权状态与到期时间。
|
||||
- 到期前 7/15 天提醒,试用版显示限制说明。
|
||||
- 授权失效时提供指引按钮(联系支持/打开激活页)。
|
||||
|
||||
## 安全策略与对抗
|
||||
|
||||
- 授权文件签名验证:后端使用公钥验证 `signature`,拒绝未签名或签名不匹配的授权。
|
||||
- 硬件指纹防篡改:
|
||||
- 组合多项硬件指标,fallback 与去重策略避免单项变化导致不可用。
|
||||
- 指纹哈希,不原样存储,保护隐私。
|
||||
- 反调试与完整性检测(可选):
|
||||
- 检测调试器或关键文件篡改(哈希校验),异常时降级或停止。
|
||||
- 日志与审计:
|
||||
- 授权校验、激活、失效事件写入日志与数据库,便于问题定位。
|
||||
|
||||
## 关键实现要点(建议代码位置)
|
||||
|
||||
- 授权模块:`backend/devices/utils/license_manager.py`(新增)
|
||||
- 方法示例:
|
||||
- `get_machine_id()`: 采集硬件信息并生成指纹。
|
||||
- `load_license(path)`: 读取并解析授权文件。
|
||||
- `verify_signature(license, public_key_path)`: 验证数字签名。
|
||||
- `check_validity(license, machine_id, now, grace_days)`: 有效期与绑定校验。
|
||||
- 后端入口:`backend/main.py`
|
||||
- 在 `AppServer.init_app()` 中:
|
||||
- 加载 `ConfigManager` → 初始化授权模块 → 设置 `self.license_status`。
|
||||
- 根据 `self.license_status` 控制设备初始化与 API 开放范围。
|
||||
- 装饰器示例:
|
||||
```python
|
||||
def require_license(feature=None):
|
||||
def decorator(f):
|
||||
@wraps(f)
|
||||
def wrapper(*args, **kwargs):
|
||||
status = current_app.server.license_status # 假设注入到 app 上下文
|
||||
if not status.valid:
|
||||
return jsonify({'success': False, 'error': status.message}), 403
|
||||
if feature and not status.features.get(feature, True):
|
||||
return jsonify({'success': False, 'error': f'未授权功能: {feature}'}), 403
|
||||
return f(*args, **kwargs)
|
||||
return wrapper
|
||||
return decorator
|
||||
```
|
||||
|
||||
## 运行与配置
|
||||
|
||||
- `config.ini`:
|
||||
```ini
|
||||
[LICENSE]
|
||||
path = D:/BodyCheck/License/license.json
|
||||
public_key = D:/BodyCheck/License/license_pub.pem
|
||||
grace_days = 7
|
||||
```
|
||||
- 授权文件放置:默认 `data/license.json`(开发环境),打包环境放置在 `exe` 同级 `data`。
|
||||
- 前端激活保存位置与读取与后端一致(通过 API 或直接写入文件)。
|
||||
|
||||
## 运维与发行
|
||||
|
||||
- 发行流程:
|
||||
1. 客户安装并启动软件,生成 `machine_id`。
|
||||
2. 客服/授权服务器生成签名授权文件(绑定 `machine_id`)。
|
||||
3. 客户端导入授权文件或在线激活自动拉取授权。
|
||||
- 续期与升级:
|
||||
- 续期生成新授权文件(同一 `license_id` 或新 ID),替换旧文件。
|
||||
- 新版本可通过 `version` 或 `features` 差异化控制功能包。
|
||||
- 撤销与黑名单(可选,在线):
|
||||
- 维护撤销列表并在在线校验时拒绝。
|
||||
|
||||
## 兼容与开发模式
|
||||
|
||||
- 开发/测试模式:
|
||||
- 允许通过环境变量或配置启用 `dev_mode`,免授权检查,仅限开发构建。
|
||||
- 生产打包时移除或加固该入口,避免被滥用。
|
||||
|
||||
## 风险与缓解
|
||||
|
||||
- 时间篡改:使用授权签发时间与过期时间 + 宽限期校验;可选在线时间校准。
|
||||
- 硬件变更:提供有限容差与人工重新授权流程。
|
||||
- 文件丢失:提示恢复授权或联系支持,保留试用/降级模式保障基本可用。
|
||||
|
||||
## 里程碑与落地计划(建议)
|
||||
|
||||
1. 新增 `license_manager.py` 与后端集成(校验、装饰器、状态注入)
|
||||
2. 在 `main.py` 中接入授权校验,限制关键 API
|
||||
3. 前端新增激活页与状态展示(在线/离线两个流程)
|
||||
4. 授权服务器与私钥管理上线(可选轻量版)
|
||||
5. 运维流程与支持文档完善(续期、撤销、迁移)
|
||||
---
|
||||
|
||||
如需,我可以直接在代码库中新增 `license_manager.py` 与 `main.py` 的集成改造示例,及前端激活页的基本骨架。
|
||||
Loading…
Reference in New Issue
Block a user