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关键数字修正: - Rust 74.5K行(原66K), Tauri命令 183(原182), SaaS路由 121 - 前端组件 104, lib/ 85文件, Store 17+4子store - TODO/FIXME 仅 8 个(前端4+Rust4) 内容增强: - 中间件完整14层注册清单含注册条件和优先级分类 - Store完整目录结构, Pipeline完整目录树 - Hands测试分布, Memory 16个Tauri命令列表 - 管家模式: 关键词路由→语义路由(TF-IDF)修正 - 代码健康度指标新增
153 lines
4.8 KiB
Markdown
153 lines
4.8 KiB
Markdown
---
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title: SaaS 平台
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updated: 2026-04-11
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status: active
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tags: [module, saas, auth, billing]
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---
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# SaaS 平台
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> 从 [[index]] 导航。关联模块: [[routing]] [[chat]]
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## 设计思想
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**核心定位: SaaS 是 Tauri 桌面端的中枢，不是独立 Web 应用。**
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关键决策:
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1. **Token Pool** — 桌面端不持有 LLM API Key，SaaS 维护共享 Key 池，RPM/TPM 轮换
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2. **JWT + Cookie 双通道** — Tauri 用 OS keyring 存 JWT，浏览器用 HttpOnly cookie
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3. **计费闭环** — 配额实时递增 → 聚合器调度 → mock 支付路由
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4. **Admin V2** — 15 页管理后台，管理模型/用户/计费/知识库
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## 代码逻辑
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### 认证流
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```
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用户登录 (POST /api/v1/auth/login)
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→ Argon2id + OsRg 盐验证密码
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→ 签发 JWT (Claims: user_id, role, pwv)
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→ set_auth_cookies():
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zclaw_access_token (path:/api, 2h TTL, HttpOnly)
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zclaw_refresh_token (path:/api/v1/auth, 7d TTL, HttpOnly)
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Secure: dev=false, prod=true | SameSite=Strict
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前端存储:
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→ Tauri: OS keyring → saasStore.token
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→ 浏览器: HttpOnly Cookie (JS 不可读)
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→ localStorage: saasUrl + account 信息 (非敏感)
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```
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### Token 池 + 限流
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```
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SaaS Relay 收到 LLM 请求 (POST /api/v1/relay/chat/completions)
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→ 验证 JWT → 提取 user_id
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→ 从 Token Pool 选择可用 Key (RPM/TPM 轮换)
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→ 转发请求到真实 LLM API
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→ 记录 usage (record_usage worker)
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→ 返回响应
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限流规则:
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→ /api/auth/login: 5次/分钟/IP (防暴力) + 持久化到 PostgreSQL
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→ /api/auth/register: 3次/小时/IP (防刷注册)
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→ 公共端点: 20次/分钟/IP
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```
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### 密码安全
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```
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JWT password_version (pwv):
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→ JWT Claims 含 pwv 字段
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→ 每次验证 JWT 时比对 Claims.pwv vs DB.pwv
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→ 修改密码 → DB.pwv 递增 → 所有旧 JWT 自动失效
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密码存储: Argon2id + OsRg 随机盐
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TOTP 加密: AES-256-GCM + 随机 Nonce
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```
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### Token 刷新
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```
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POST /api/v1/auth/refresh
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→ 验证 refresh_token (单次使用)
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→ 旧 refresh_token 撤销到 DB (rotation 校验)
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→ 签发新 access + refresh token
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```
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### SaaS 模块结构（代码验证）
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15 个模块目录 (`crates/zclaw-saas/src/`):
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```
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account/ agent_template/ auth/ billing/ knowledge/
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migration/ model_config/ models/ prompt/ relay/
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role/ scheduled_task/ tasks/ telemetry/ workers/
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```
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### SaaS API 分布
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121 个 `.route()` 调用，12 个路由模块 (main.rs `.merge()` 注册):
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| 模块 | 路由注册 | 说明 |
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|------|----------|------|
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| auth | handlers.rs | 登录/注册/刷新/2FA |
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| relay | relay/ | 聊天中转/模型列表/任务 |
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| billing | billing/ + callback_routes | 配额/订阅/支付 |
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| knowledge | knowledge/ | 知识库 CRUD + pgvector (最大模块) |
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| model_config | model_config/ | Provider + 模型管理 |
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| account | account/ | 用户管理 |
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| agent_template | agent_template/ | Agent 模板 |
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| role | role/ | 角色 + 权限 |
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| telemetry | telemetry/ | 用量统计 |
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| prompt | prompt/ | Prompt 模板 |
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| scheduled_task | scheduled_task/ | 定时任务 CRUD |
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| migration | migration/ | Schema 迁移 |
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### 数据表 (38 CREATE TABLE)
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32 个 SQL 迁移文件，38 个 `CREATE TABLE` 语句。
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核心表: users, agents, conversations, messages, billing_*, knowledge_*, model_configs, roles, permissions, scheduled_tasks, telemetry, agent_templates, saas_schema_version, user_profiles, trajectory_records
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### Workers (7 个)
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| Worker | 文件 | 职责 |
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|--------|------|------|
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| log_operation | workers/ | 操作日志 |
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| cleanup_rate_limit | workers/ | 限流记录清理 |
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| cleanup_refresh_tokens | workers/ | 刷新 token 清理 |
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| record_usage | workers/ | 用量记录 |
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| update_last_used | workers/ | 模型最后使用更新 |
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| aggregate_usage | workers/ | 用量聚合 |
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| generate_embedding | workers/ | 内容分块 (embedding deferred) |
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## 关联模块
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- [[routing]] — SaaS Relay 是 Tauri 的主路径
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- [[chat]] — 聊天请求经过 SaaS relay 中转
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- [[memory]] — knowledge_chunks 表有 pgvector 索引
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## 关键文件
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| 文件 | 职责 |
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|------|------|
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| `crates/zclaw-saas/src/main.rs` | 路由注册入口 (12个 .merge()) |
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| `crates/zclaw-saas/src/auth/handlers.rs` | 认证端点 |
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| `crates/zclaw-saas/src/relay/` | 聊天中转 |
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| `crates/zclaw-saas/src/billing/` | 计费 |
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| `crates/zclaw-saas/src/knowledge/` | 知识库 |
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| `crates/zclaw-saas/src/workers/` | 7 个后台 Worker |
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| `crates/zclaw-saas/migrations/` | SQL 迁移 (32 文件) |
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| `admin-v2/src/pages/` | 15 页管理后台 |
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| `desktop/src/lib/saas-client.ts` | 前端 SaaS API 客户端 |
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| `desktop/src/store/saasStore.ts` | SaaS 认证状态 |
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## 安全
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完整审计: `docs/features/SECURITY_PENETRATION_TEST_V1.md`
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- CORS 白名单 (生产缺失拒绝启动)
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- Cookie Secure (dev=false, prod=true)
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- JWT 签名密钥 >= 32 字符 (release fallback 拒绝启动)
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- 独立 TOTP 加密密钥
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