mirror of
https://github.com/Rain-kl/OpenFlare.git
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feat(option): add sw offline
fix(openresty): scope sw injection per cert partition fix(lint): satisfy revive and biome format for sw offline feature docs: sw offline scope changelog fix(frontend): use scoped query key for sw scope zones fix(frontend): hide preview link in sw contact page editor feat(frontend): add sw scope domain picker and contact page fields refactor(frontend): generalize html editor workspace for reuse feat(openresty): scope sw offline injection by route domains feat(openresty): add sw offline domains snapshot field feat(option): add sw offline domains scope option docs: fill html editor workspace generalization detail docs: sw offline scope implementation plan docs: sw offline scope design test(openresty): assert single merged access block in sw enabled servers fix(openresty): restrict sw intercept to https server blocks fix(openresty): version sw offline cache by html content fix(agent): escape redir in sw challenge page to prevent xss fix(agent): return sw.runtime module table and add lua spec docs: sw offline fallback changelog fix(frontend): memoize option map to preserve unsaved contact page edits feat(frontend): add response pages module with contact page tab feat(agent): ship sw offline lua assets and placeholder substitution feat(config): wire sw offline options into config snapshot feat(openresty): render sw offline assets and challenge intercept feat(openresty): add sw offline ConfigSnapshot fields and placeholder feat(db): seed sw offline options feat(option): add sw offline config keys and validation docs: add service worker offline fallback implementation plan docs: adopt global-option pattern for SW offline fallback (matches origin error page) docs: unify offline contact page with error pages as response pages docs: service worker offline fallback design (issue #23)
This commit is contained in:
ryan
@@ -20,6 +20,12 @@ sidebar: false
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> - Pages 无法迁移, 升级前请先手动下载并备份 Pages 静态站点的 ZIP 包，升级后重新创建。
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> - 性能调优参数重置, 升级后请重新配置
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## [Unreleased]
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### 新增
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- 支持 Service Worker 离线兜底：为启用 HTTPS 的网站下发 Service Worker 并缓存离线联系页，域名无法访问时浏览器展示联系站长页面，减少用户流失。可指定生效域名范围（仅对选中的 HTTPS 域名生效），配置位于「响应页面」-「联系页」，可在版本发布中批量生效。
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## [v3.4.5] - 2026-08-08
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### 改进
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@@ -0,0 +1,885 @@
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# Service Worker 离线兜底 Implementation Plan
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> **For agentic workers:** REQUIRED SUB-SKILL: Use superpowers:subagent-driven-development (recommended) or superpowers:executing-plans to implement this plan task-by-task. Steps use checkbox (`- [ ]`) syntax for tracking.
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**Goal:** 给平台所有启用 HTTPS 的网站（反代 + Pages）下发 Service Worker 离线兜底：域名被墙后浏览器从缓存吐出"联系站长"页，避免用户流失。全平台一键批量下发。
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**Architecture:** 全局 Option（SystemConfig / OpenRestyConfig snapshot）驱动，与现有 origin error page 完全同模式。渲染层在 HTTPS server 块注入 SW 静态 location + 首页挑战拦截（真实浏览器 UA 且无 cookie 时返回含 `register('/sw.js')` 的挑战页），通过 SupportFile 下发 sw.js / offline.html，Agent 替换占位符落盘。前端「响应页面」模块两个 tab：错误页 / 联系页。
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**Tech Stack:** Go 1.25+、Gin、GORM、PostgreSQL/SQLite goose 迁移、OpenResty/Lua、Next.js、TypeScript、shadcn/ui、TanStack Query。
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## Global Constraints
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- 遵循 AGENTS.md 分层：`apps → repository → model`，禁止 `model → repository`。
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- API 错误用 `response.Abort*`；Handler 不直接 `c.JSON`。
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- 渲染改动后：`make swagger`（本功能无新 API，跳过）；开发完成：`make code-check`；提交前：`make format`。
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- 代码/配置变更写入 `docs/changelog/index.md` 的 `[Unreleased]`（中文，用户可读）。
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- 配置 key 命名：小写 snake_case。测试临时目录只用 `t.TempDir()`。
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- 前端：`variant` + CSS 变量，业务 `className` 不硬编码颜色；根容器 `w-full`，外层 `py-6 px-1`；标题行 `flex items-center gap-2`。
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- 配置文件路径占位符统一追加到 `pkg/render/openresty/types.go` 的 const 块。
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- 迁移：PostgreSQL 与 SQLite 各一份 goose SQL（`goose/postgres/`、`goose/sqlite/`），见 `database-migration` skill。
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---
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### Task 1: 后端配置 key 与 Option 校验
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**Files:**
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- Modify: `internal/model/system_configs.go:114-117`
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- Modify: `internal/apps/openflare/option/openresty_validators.go:19-65`
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- Modify: `internal/apps/openflare/option/openresty_validators.go:69-79`
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**Interfaces:**
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- Produces: 常量 `model.ConfigKeySWOfflineEnabled`, `model.ConfigKeySWOfflineHTML`; 校验函数 `validateSWOfflineHTML`。
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- [ ] **Step 1: 在 `system_configs.go` 追加 key 常量**
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在 `ConfigKeyOriginErrorPageGetOnly`（第 117 行）后追加：
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```go
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ConfigKeySWOfflineEnabled = "sw_offline_enabled" // 是否启用 Service Worker 离线兜底
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ConfigKeySWOfflineHTML = "sw_offline_html" // 离线联系页自定义 HTML（空则内置默认）
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```
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- [ ] **Step 2: 注册 validator**
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在 `openRestyOptionValidators` map（`openresty_validators.go` 第 61-64 行）后追加：
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```go
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model.ConfigKeySWOfflineEnabled: validateBooleanOption,
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model.ConfigKeySWOfflineHTML: validateSWOfflineHTML,
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```
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- [ ] **Step 3: 在 `validateOpenRestyOption` 增加 HTML 字节数特殊处理**
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在第 69-79 行函数内，`if key == model.ConfigKeyOriginErrorPageHTML` 分支改为同时覆盖 SW HTML：
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```go
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if key == model.ConfigKeyOriginErrorPageHTML || key == model.ConfigKeySWOfflineHTML {
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return validateOriginErrorPageHTML(key, value)
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}
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```
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`validateOriginErrorPageHTML` 逻辑（非空、≤256 KiB）对两个 HTML 复用，无需新函数。
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- [ ] **Step 4: 运行测试**
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Run: `cd /Users/ryan/conductor/workspaces/OpenFlare/islamabad && go build ./... && go test ./internal/apps/openflare/option/...`
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Expected: PASS
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- [ ] **Step 5: 提交**
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```bash
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git add internal/model/system_configs.go internal/apps/openflare/option/openresty_validators.go
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git commit -m "feat(option): add sw offline config keys and validation"
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```
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---
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### Task 2: goose 迁移（PostgreSQL + SQLite）Seed 全局 Option
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**Files:**
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- Create: `internal/infra/persistence/migrator/goose/postgres/<YYYYMMDD>NNN_add_sw_offline_options.sql`
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- Create: `internal/infra/persistence/migrator/goose/sqlite/<YYYYMMDD>NNN_add_sw_offline_options.sql`
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**Interfaces:**
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- Consumes: Task 1 key 常量。
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- Produces: 数据库 seed 的 `sw_offline_enabled` / `sw_offline_html` 两行 `w_system_configs`。
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- [ ] **Step 1: 确认迁移序号**
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Run: `ls /Users/ryan/conductor/workspaces/OpenFlare/islamabad/internal/infra/persistence/migrator/goose/postgres/ | tail -3`
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取最新序号 +1（如 `202608080001`）。
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- [ ] **Step 2: 创建 postgres 迁移**
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创建 `goose/postgres/202608080001_add_sw_offline_options.sql`：
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```sql
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-- +goose Up
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INSERT INTO w_system_configs (key, value, type, visibility, description, created_at, updated_at)
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VALUES
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('sw_offline_enabled', 'false', 'business', 0, '是否启用 Service Worker 离线兜底', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP),
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('sw_offline_html', '', 'business', 0, '离线联系页自定义 HTML，空则使用内置默认', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
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ON CONFLICT (key) DO NOTHING;
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-- +goose Down
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DELETE FROM w_system_configs WHERE key IN (
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'sw_offline_enabled',
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'sw_offline_html'
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);
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```
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- [ ] **Step 3: 创建 sqlite 迁移**
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创建 `goose/sqlite/202608080001_add_sw_offline_options.sql`（内容与 postgres 相同）。
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- [ ] **Step 4: 运行迁移测试**
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Run: `go test ./internal/infra/persistence/migrator/...`
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Expected: PASS（数据库迁移冒烟通过）
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- [ ] **Step 5: 提交**
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```bash
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git add internal/infra/persistence/migrator/goose/postgres/202608080001_add_sw_offline_options.sql internal/infra/persistence/migrator/goose/sqlite/202608080001_add_sw_offline_options.sql
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git commit -m "feat(db): seed sw offline options"
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```
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---
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### Task 3: ConfigSnapshot 渲染类型字段
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**Files:**
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- Modify: `pkg/render/openresty/types.go:20-26`
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- Modify: `pkg/render/openresty/types.go:318-323`（`ConfigSnapshot` 结构体）
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**Interfaces:**
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- Produces: `ConfigSnapshot.SWOfflineEnabled bool`、`ConfigSnapshot.SWOfflineHTML string`；常量 `SWDirPlaceholder`。
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- [ ] **Step 1: 追加占位符常量**
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在 `types.go` 占位符 const 块（第 23 行 `ErrorPageTmplPlaceholder` 后）追加：
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```go
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SWDirPlaceholder = "__OPENFLARE_SW_DIR__"
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```
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- [ ] **Step 2: 追加 ConfigSnapshot 字段**
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在 `ConfigSnapshot` 末尾（`OriginErrorPageGetOnly` 后）追加：
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```go
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// SWOfflineEnabled enables the Service Worker offline fallback for HTTPS routes.
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SWOfflineEnabled bool `json:"sw_offline_enabled,omitempty"`
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// SWOfflineHTML is the contact-page HTML served offline; empty uses the built-in default.
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SWOfflineHTML string `json:"sw_offline_html,omitempty"`
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```
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- [ ] **Step 3: 提交**
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```bash
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git add pkg/render/openresty/types.go
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git commit -m "feat(openresty): add sw offline ConfigSnapshot fields and placeholder"
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```
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---
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### Task 4: 渲染层 SW 资源与挑战拦截
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**Files:**
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- Create: `pkg/render/openresty/service_worker.go`
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- Create: `pkg/render/openresty/service_worker_test.go`
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- Modify: `pkg/render/openresty/render.go:37-59`（`Render` 追加 support files）
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- Modify: `pkg/render/openresty/render.go:90-115`（`RenderRouteConfig` 注入挑战）
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**Interfaces:**
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- Consumes: `ConfigSnapshot.SWOfflineEnabled` / `.SWOfflineHTML`；`SWDirPlaceholder`。
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- Produces: `DefaultSWOfflineHTML string`、`EffectiveSWOfflineHTML(cfg ConfigSnapshot) string`、`ServiceWorkerSupportFiles(cfg ConfigSnapshot) []SupportFile`、`renderServiceWorkerChallenger(cfg ConfigSnapshot) string`。
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- [ ] **Step 1: 写失败测试**
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创建 `service_worker_test.go`，断言：
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1. `EffectiveSWOfflineHTML`：HTML 为空返回内置默认；非空返回自定义。
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2. `ServiceWorkerSupportFiles`：仅当 `SWOfflineEnabled` 时返回 `sw/sw.js` 与 `sw/offline.html` 两个文件；未启用返回 nil。
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3. `renderServiceWorkerChallenger`：启用且含 sw.js location、offline location、挑战 location；未启用返回空串。
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```go
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package openresty
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import (
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"strings"
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"testing"
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)
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func TestEffectiveSWOfflineHTML(t *testing.T) {
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if got := EffectiveSWOfflineHTML(ConfigSnapshot{}); got != DefaultSWOfflineHTML {
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t.Fatalf("default mismatch")
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}
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custom := "<html>custom</html>"
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if got := EffectiveSWOfflineHTML(ConfigSnapshot{SWOfflineHTML: custom}); got != custom {
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t.Fatalf("custom mismatch")
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}
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}
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func TestServiceWorkerSupportFiles(t *testing.T) {
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disabled := ServiceWorkerSupportFiles(ConfigSnapshot{})
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if disabled != nil {
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t.Fatalf("expected nil when disabled, got %v", disabled)
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}
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enabled := ServiceWorkerSupportFiles(ConfigSnapshot{SWOfflineEnabled: true})
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if len(enabled) != 2 {
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t.Fatalf("expected 2 support files, got %d", len(enabled))
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}
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paths := map[string]string{}
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for _, f := range enabled {
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paths[f.Path] = f.Content
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}
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if _, ok := paths["sw/sw.js"]; !ok {
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t.Fatalf("missing sw/sw.js")
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}
|
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if _, ok := paths["sw/offline.html"]; !ok {
|
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t.Fatalf("missing sw/offline.html")
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}
|
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}
|
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|
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func TestRenderServiceWorkerChallenger(t *testing.T) {
|
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if got := renderServiceWorkerChallenger(ConfigSnapshot{}); got != "" {
|
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t.Fatalf("expected empty when disabled")
|
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}
|
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got := renderServiceWorkerChallenger(ConfigSnapshot{SWOfflineEnabled: true})
|
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for _, want := range []string{"location = /sw.js", "location = /offline.html", "sw.runtime", "content_by_lua"} {
|
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if !strings.Contains(got, want) {
|
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t.Fatalf("challenger missing %q", want)
|
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}
|
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}
|
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}
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```
|
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|
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- [ ] **Step 2: 运行确认失败**
|
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|
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Run: `go test ./pkg/render/openresty/ -run 'TestEffectiveSWOfflineHTML|TestServiceWorkerSupportFiles|TestRenderServiceWorkerChallenger'`
|
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Expected: FAIL（函数未定义）
|
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|
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- [ ] **Step 3: 实现 `service_worker.go`**
|
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|
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```go
|
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package openresty
|
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|
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import (
|
||||
"strings"
|
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)
|
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|
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const (
|
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SWJSLocation = "location = /sw.js"
|
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SWOfflineLocation = "location = /offline.html"
|
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SWChallengeLua = "sw/challenge.lua"
|
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SWRuntimeLua = "sw/runtime.lua"
|
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swDirPrefix = "sw/"
|
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)
|
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|
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// DefaultSWOfflineHTML is the built-in contact page shown when the domain is blocked.
|
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const DefaultSWOfflineHTML = `<!DOCTYPE html>
|
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<html lang="zh-CN">
|
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<head>
|
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<meta charset="UTF-8">
|
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||||
<title>网站暂时无法访问 | 联系站长</title>
|
||||
<style>
|
||||
* { box-sizing: border-box; margin: 0; padding: 0; }
|
||||
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; background: #ffffff; color: #333333; height: 100vh; display: flex; flex-direction: column; justify-content: center; align-items: center; text-align: center; padding: 48px 24px; }
|
||||
h1 { font-size: 28px; font-weight: 700; margin-bottom: 16px; }
|
||||
p { font-size: 16px; line-height: 1.7; color: #666666; max-width: 520px; }
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<h1>网站暂时无法访问</h1>
|
||||
<p>当前域名暂时无法从网络访问。请通过其他方式联系网站管理员获取最新访问入口。</p>
|
||||
</body>
|
||||
</html>
|
||||
`
|
||||
|
||||
// EffectiveSWOfflineHTML returns custom HTML when set, otherwise the built-in default.
|
||||
func EffectiveSWOfflineHTML(cfg ConfigSnapshot) string {
|
||||
if strings.TrimSpace(cfg.SWOfflineHTML) == "" {
|
||||
return DefaultSWOfflineHTML
|
||||
}
|
||||
return cfg.SWOfflineHTML
|
||||
}
|
||||
|
||||
// ServiceWorkerSupportFiles returns the sw.js script and offline contact page.
|
||||
func ServiceWorkerSupportFiles(cfg ConfigSnapshot) []SupportFile {
|
||||
if !cfg.SWOfflineEnabled {
|
||||
return nil
|
||||
}
|
||||
return []SupportFile{
|
||||
{Path: swDirPrefix + "sw.js", Content: defaultSWJS()},
|
||||
{Path: swDirPrefix + "offline.html", Content: EffectiveSWOfflineHTML(cfg)},
|
||||
}
|
||||
}
|
||||
|
||||
func defaultSWJS() string {
|
||||
return `var CACHE = "openflare-offline-v1";
|
||||
var OFFLINE = "/offline.html";
|
||||
self.addEventListener("install", function (e) {
|
||||
e.waitUntil(caches.open(CACHE).then(function (c) { return c.addAll([OFFLINE]); }));
|
||||
self.skipWaiting();
|
||||
});
|
||||
self.addEventListener("activate", function (e) {
|
||||
e.waitUntil(caches.keys().then(function (keys) {
|
||||
return Promise.all(keys.filter(function (k) { return k !== CACHE; }).map(function (k) { return caches.delete(k); }));
|
||||
}));
|
||||
self.clients.claim();
|
||||
});
|
||||
self.addEventListener("fetch", function (e) {
|
||||
if (e.request.method !== "GET") { return; }
|
||||
e.respondWith(
|
||||
fetch(e.request).catch(function () {
|
||||
return caches.match(e.request).then(function (r) { return r || caches.match(OFFLINE); });
|
||||
})
|
||||
);
|
||||
});
|
||||
`
|
||||
}
|
||||
|
||||
// renderServiceWorkerChallenger emits SW static locations and the homepage
|
||||
// challenge intercept for HTTPS server blocks.
|
||||
func renderServiceWorkerChallenger(cfg ConfigSnapshot) string {
|
||||
if !cfg.SWOfflineEnabled {
|
||||
return ""
|
||||
}
|
||||
var builder strings.Builder
|
||||
builder.WriteString("\n location = /sw.js {\n")
|
||||
builder.WriteString(" alias " + SWDirPlaceholder + "/sw.js;\n")
|
||||
builder.WriteString(" default_type application/javascript;\n")
|
||||
builder.WriteString(" add_header Service-Worker-Allowed /;\n")
|
||||
builder.WriteString(" add_header Cache-Control \"no-cache\";\n")
|
||||
builder.WriteString(" }\n\n")
|
||||
builder.WriteString(" location = /offline.html {\n")
|
||||
builder.WriteString(" alias " + SWDirPlaceholder + "/offline.html;\n")
|
||||
builder.WriteString(" default_type text/html;\n")
|
||||
builder.WriteString(" add_header Cache-Control \"no-cache\";\n")
|
||||
builder.WriteString(" }\n\n")
|
||||
builder.WriteString(" location = /__openflare_sw_challenge {\n")
|
||||
builder.WriteString(" internal;\n")
|
||||
builder.WriteString(" content_by_lua_file " + SWDirPlaceholder + "/challenge.lua;\n")
|
||||
builder.WriteString(" }\n")
|
||||
return builder.String()
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] **Step 4: 接入 `Render` 追加 support files**
|
||||
|
||||
在 `render.go` `Render` 函数内、`originErrorPageSupportFile` 追加之后追加：
|
||||
|
||||
```go
|
||||
if doc.OpenRestyConfig.SWOfflineEnabled {
|
||||
files = append(files, ServiceWorkerSupportFiles(doc.OpenRestyConfig)...)
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] **Step 5: 接入 `RenderRouteConfig` 注入挑战**
|
||||
|
||||
在 `RenderRouteConfig` 内 `renderProxyRoute` / `renderPagesRoute` 调用之前，将 SW 拦截接入 server 块。将 `renderAccessBlock(siteName, powEnabled)` 调用处扩展：新建 `renderServerAccess(siteName, powEnabled, cfg)` 封装，并在其中追加 SW 运行时检查。具体为在 `renderAccessBlock` 生成的 access 块内，追加对 `sw.runtime` 的调用。
|
||||
|
||||
简化实现：新增 `renderAccessBlockWithSW(siteName string, powEnabled bool, cfg ConfigSnapshot) string`，返回 `renderAccessBlock(siteName, powEnabled)` 与（当 `SWOfflineEnabled` 时）追加：
|
||||
|
||||
```
|
||||
access_by_lua_block {
|
||||
if not string.find(package.path, "__OPENFLARE_LUA_DIR__/?.lua", 1, true) then
|
||||
package.path = "__OPENFLARE_LUA_DIR__/?.lua;__OPENFLARE_LUA_DIR__/?/init.lua;" .. package.path
|
||||
end
|
||||
require("sw.runtime").check()
|
||||
}
|
||||
```
|
||||
|
||||
然后将 `renderHTTPProxyServer`、`renderHTTPSServer`、`renderHTTPPagesServer`、`renderHTTPSPagesServer` 中 `renderAccessBlock(...)` 替换为 `renderAccessBlockWithSW(..., cfg)`，并在各自 server 块内追加 `renderServiceWorkerChallenger(cfg)` 输出。
|
||||
|
||||
**注意：** `renderAccessBlock` 在既有 powEnabled 分支已含 `access_by_lua_block`。为兼容，`renderAccessBlockWithSW` 在 powEnabled 分支内合并 SW check 到同一块；非 pow 分支额外追加一个块。本步以**仅新增 server 级 SW location + 独立 `access_by_lua_block`** 为最小实现；若 nginx 同 server 存在两个 `access_by_lua_block`，运行时只执行最后一个——**故实现必须合并**。请在实现时确认 `renderAccessBlock` 各分支，将 SW check 合并进唯一 access 块内，避免覆盖 WAF/PoW。
|
||||
|
||||
- [ ] **Step 6: 运行测试**
|
||||
|
||||
Run: `go test ./pkg/render/openresty/...`
|
||||
Expected: PASS
|
||||
|
||||
- [ ] **Step 7: 提交**
|
||||
|
||||
```bash
|
||||
git add pkg/render/openresty/service_worker.go pkg/render/openresty/service_worker_test.go pkg/render/openresty/render.go
|
||||
git commit -m "feat(openresty): render sw offline assets and challenge intercept"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### Task 5: config_version snapshot 接入全局 Option
|
||||
|
||||
**Files:**
|
||||
- Modify: `internal/apps/openflare/config_version/snapshot.go:143-147`（`openRestyConfigSnapshot` 字段）
|
||||
- Modify: `internal/apps/openflare/config_version/snapshot.go:559-563`（`buildOpenRestyConfigSnapshot` 读取）
|
||||
- Modify: `internal/apps/openflare/config_version/logics.go:537-541`（diff 追加）
|
||||
- Modify: `internal/apps/openflare/config_version/logics.go:604-608`（option keys 追加）
|
||||
|
||||
**Interfaces:**
|
||||
- Consumes: `model.ConfigKeySWOfflineEnabled` / `.SWOfflineHTML`。
|
||||
- Produces: snapshot JSON 内 `sw_offline_enabled` / `sw_offline_html` 字段，触发 checksum 变化。
|
||||
|
||||
- [ ] **Step 1: snapshot 结构体追加字段**
|
||||
|
||||
在 `openRestyConfigSnapshot`（`snapshot.go:143-147`，`OriginErrorPageGetOnly` 后）追加：
|
||||
|
||||
```go
|
||||
SWOfflineEnabled bool `json:"sw_offline_enabled,omitempty"`
|
||||
SWOfflineHTML string `json:"sw_offline_html,omitempty"`
|
||||
```
|
||||
|
||||
- [ ] **Step 2: build 读取配置**
|
||||
|
||||
在 `buildOpenRestyConfigSnapshot`（`snapshot.go:559-563`，`OriginErrorPageGetOnly` 赋值后）追加：
|
||||
|
||||
```go
|
||||
SWOfflineEnabled: getBoolConfig(model.ConfigKeySWOfflineEnabled, false),
|
||||
SWOfflineHTML: getStringConfig(model.ConfigKeySWOfflineHTML, ""),
|
||||
```
|
||||
|
||||
- [ ] **Step 3: diff 追加**
|
||||
|
||||
在 `diffOpenRestyOptionDetails`（`logics.go:540` 后）追加：
|
||||
|
||||
```go
|
||||
appendIfChanged("SWOfflineEnabled", fmt.Sprintf("%t", left.SWOfflineEnabled), fmt.Sprintf("%t", right.SWOfflineEnabled))
|
||||
appendIfChanged("SWOfflineHTML", left.SWOfflineHTML, right.SWOfflineHTML)
|
||||
```
|
||||
|
||||
- [ ] **Step 4: option keys 追加**
|
||||
|
||||
在 `openRestyOptionKeys()`（`logics.go:607` 后）追加：
|
||||
|
||||
```go
|
||||
"SWOfflineEnabled",
|
||||
"SWOfflineHTML",
|
||||
```
|
||||
|
||||
- [ ] **Step 5: 运行测试**
|
||||
|
||||
Run: `go test ./internal/apps/openflare/config_version/...`
|
||||
Expected: PASS
|
||||
|
||||
- [ ] **Step 6: 提交**
|
||||
|
||||
```bash
|
||||
git add internal/apps/openflare/config_version/snapshot.go internal/apps/openflare/config_version/logics.go
|
||||
git commit -m "feat(config): wire sw offline options into config snapshot"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### Task 6: Agent 侧 SW Lua 资源与占位符替换
|
||||
|
||||
**Files:**
|
||||
- Create: `internal/apps/agent/nginx/sw_assets.go`
|
||||
- Modify: `internal/apps/agent/nginx/manager.go:393-410`（`EnsureLuaAssets` 追加 SW Lua）
|
||||
- Modify: `internal/apps/agent/nginx/manager.go:526-528`（checksum 归一化 SW 路径）
|
||||
- Modify: `internal/apps/agent/nginx/manager.go:1381-1383`（renderRouteConfig 替换 SW 占位符）
|
||||
|
||||
**Interfaces:**
|
||||
- Consumes: `openrestyrender.SWDirPlaceholder`、`openrestyrender.SWChallengeLua`、`openrestyrender.SWRuntimeLua`。
|
||||
- Produces: `ManagedSWLuaFiles() []protocol.SupportFile`（`sw/runtime.lua`、`sw/challenge.lua`）。
|
||||
|
||||
- [ ] **Step 1: 创建 `sw_assets.go`**
|
||||
|
||||
```go
|
||||
package nginx
|
||||
|
||||
import (
|
||||
"github.com/Rain-kl/Wavelet/internal/apps/agent/protocol"
|
||||
)
|
||||
|
||||
const openRestySWRuntimeLua = `local source = debug.getinfo(1, "S").source or ""
|
||||
if string.sub(source, 1, 1) == "@" then
|
||||
local script_path = string.sub(source, 2)
|
||||
local base_dir = string.match(script_path, "^(.*)/sw/[^/]+%.lua$")
|
||||
if base_dir and base_dir ~= "" and not string.find(package.path, base_dir, 1, true) then
|
||||
package.path = base_dir .. "/?.lua;" .. base_dir .. "/?/init.lua;" .. package.path
|
||||
end
|
||||
end
|
||||
|
||||
local function is_real_browser(ua)
|
||||
if not ua or ua == "" then return false end
|
||||
-- Chrome/Edge/CentOS-style: "Chrome/120"
|
||||
if string.find(ua, "Chrome/%d", 1, true) then return true end
|
||||
-- Firefox: "Firefox/120"
|
||||
if string.find(ua, "Firefox/%d", 1, true) then return true end
|
||||
-- Safari (non-Chrome, e.g. "Version/17.0 Safari")
|
||||
if not string.find(ua, "Chrome", 1, true) and string.find(ua, "Safari", 1, true) then return true end
|
||||
return false
|
||||
end
|
||||
|
||||
local function pass_through()
|
||||
return true
|
||||
end
|
||||
|
||||
function _M_check()
|
||||
local ua = ngx.var.http_user_agent or ""
|
||||
if not is_real_browser(ua) then return pass_through() end
|
||||
|
||||
local uri = ngx.var.uri or ""
|
||||
if uri ~= "/" then return pass_through() end
|
||||
|
||||
local cookie = ngx.var["cookie___openflare_sw"]
|
||||
if cookie and cookie ~= "" then return pass_through() end
|
||||
|
||||
-- intercept: internal redirect to challenge page, which registers SW + sets cookie
|
||||
local redir = ngx.var.scheme .. "://" .. ngx.var.host .. uri .. (ngx.var.args and ("?" .. ngx.var.args) or "")
|
||||
ngx.req.set_uri_args({ redir = redir })
|
||||
return ngx.exec("/__openflare_sw_challenge")
|
||||
end
|
||||
`
|
||||
|
||||
const openRestySWChallengeLua = `local args = ngx.req.get_uri_args()
|
||||
local redir = args["redir"] or "/"
|
||||
ngx.header["Set-Cookie"] = "__openflare_sw=1; Path=/; Max-Age=31536000"
|
||||
ngx.header.content_type = "text/html; charset=utf-8"
|
||||
ngx.say([[<!DOCTYPE html>
|
||||
<html lang="zh-CN">
|
||||
<head>
|
||||
<meta charset="utf-8">
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<meta name="robots" content="noindex,nofollow">
|
||||
<title>加载中...</title>
|
||||
<script>
|
||||
if ("serviceWorker" in navigator) {
|
||||
navigator.serviceWorker.register("/sw.js").then(function () {
|
||||
location.replace("]] .. redir .. [[");
|
||||
}).catch(function () {
|
||||
location.replace("]] .. redir .. [[");
|
||||
});
|
||||
} else {
|
||||
location.replace("]] .. redir .. [[");
|
||||
}
|
||||
</script>
|
||||
</head>
|
||||
<body>正在加载...</body>
|
||||
</html>]])
|
||||
`
|
||||
|
||||
// ManagedSWLuaFiles returns embedded Lua assets for the SW offline challenge.
|
||||
func ManagedSWLuaFiles() []protocol.SupportFile {
|
||||
return []protocol.SupportFile{
|
||||
{Path: "sw/runtime.lua", Content: openRestySWRuntimeLua},
|
||||
{Path: "sw/challenge.lua", Content: openRestySWChallengeLua},
|
||||
}
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] **Step 2: `EnsureLuaAssets` 追加 SW Lua**
|
||||
|
||||
在 `manager.go:403`（`allSupportFiles` 组装处）追加：
|
||||
|
||||
```go
|
||||
allSupportFiles = append(allSupportFiles, ManagedSWLuaFiles()...)
|
||||
```
|
||||
|
||||
- [ ] **Step 3: checksum 归一化 SW 路径**
|
||||
|
||||
在 `manager.go:526-528`（error page 路径归一化后）追加：
|
||||
|
||||
```go
|
||||
swDir := filepath.ToSlash(filepath.Join(m.NginxCertDir, "sw"))
|
||||
normalizedRoute = strings.ReplaceAll(normalizedRoute, swDir, openrestyrender.SWDirPlaceholder)
|
||||
```
|
||||
|
||||
- [ ] **Step 4: `renderRouteConfig` 替换 SW 占位符**
|
||||
|
||||
在 `manager.go:1381-1383`（error page 替换后）追加：
|
||||
|
||||
```go
|
||||
swDir := filepath.ToSlash(filepath.Join(m.NginxCertDir, "sw"))
|
||||
rendered = strings.ReplaceAll(rendered, openrestyrender.SWDirPlaceholder, swDir)
|
||||
```
|
||||
|
||||
- [ ] **Step 5: 确认 SW 文件落盘**
|
||||
|
||||
`renderServiceWorkerChallenger` 中 `alias __OPENFLARE_SW_DIR__/sw.js` 与 `/offline.html` 引用 support files `sw/sw.js`、`sw/offline.html`。这些文件经 Task 4 作为普通 support file 由 `writeManagedCertFiles` 写入 `<CertDir>/sw/`（路径含子目录）。验证 `certFileTargetPath` 支持子目录路径（读 `manager.go` 确认）。若不支持，需在 `writeManagedCertFiles` 中 `os.MkdirAll(filepath.Dir(targetPath))`。**实现时确认并补全目录创建。**
|
||||
|
||||
- [ ] **Step 6: 运行测试**
|
||||
|
||||
Run: `go build ./... && go test ./internal/apps/agent/nginx/...`
|
||||
Expected: PASS
|
||||
|
||||
- [ ] **Step 7: 提交**
|
||||
|
||||
```bash
|
||||
git add internal/apps/agent/nginx/sw_assets.go internal/apps/agent/nginx/manager.go
|
||||
git commit -m "feat(agent): ship sw offline lua assets and placeholder substitution"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### Task 7: 前端「响应页面」模块（两个 tab）
|
||||
|
||||
**Files:**
|
||||
- Create: `frontend/app/(main)/responses/page.tsx`
|
||||
- Create: `frontend/app/(main)/responses/components/contact-page-tab.tsx`
|
||||
- Create: `frontend/app/(main)/responses/components/shared.ts`
|
||||
- Modify: `frontend/lib/navigation/openflare-nav.ts:63-67`
|
||||
- Modify: `frontend/lib/navigation/openflare-nav.ts:123`
|
||||
|
||||
**Interfaces:**
|
||||
- Consumes: `OptionService.list()` / `OptionService.updateBatch()`（已存在）。
|
||||
- Produces: 联系页 tab 编辑 `sw_offline_enabled` / `sw_offline_html` 两个 option。
|
||||
|
||||
- [ ] **Step 1: 创建共享 helper `shared.ts`**
|
||||
|
||||
```ts
|
||||
export const OPTIONS_QUERY_KEY = ['openflare', 'options'] as const;
|
||||
|
||||
export const KEY_SW_ENABLED = 'sw_offline_enabled';
|
||||
export const KEY_SW_HTML = 'sw_offline_html';
|
||||
|
||||
export type ContactPageFields = {
|
||||
enabled: boolean;
|
||||
html: string;
|
||||
};
|
||||
|
||||
export const defaultContactPageFields: ContactPageFields = {
|
||||
enabled: false,
|
||||
html: '',
|
||||
};
|
||||
|
||||
export function optionsToMap(options: Array<{ key: string; value: string }>) {
|
||||
return options.reduce<Record<string, string>>((acc, option) => {
|
||||
acc[option.key] = option.value;
|
||||
return acc;
|
||||
}, {});
|
||||
}
|
||||
|
||||
export function mapOptionsToContactFields(
|
||||
optionMap: Record<string, string>,
|
||||
): ContactPageFields {
|
||||
return {
|
||||
enabled: optionMap[KEY_SW_ENABLED] === 'true',
|
||||
html: optionMap[KEY_SW_HTML] ?? '',
|
||||
};
|
||||
}
|
||||
|
||||
export async function invalidateResponseQueries(queryClient: {
|
||||
invalidateQueries: (opts: {
|
||||
queryKey: readonly unknown[];
|
||||
}) => Promise<unknown>;
|
||||
}) {
|
||||
await Promise.all([
|
||||
queryClient.invalidateQueries({ queryKey: OPTIONS_QUERY_KEY }),
|
||||
queryClient.invalidateQueries({
|
||||
queryKey: ['openflare', 'config-preview'],
|
||||
}),
|
||||
queryClient.invalidateQueries({
|
||||
queryKey: ['openflare', 'config-versions'],
|
||||
}),
|
||||
]);
|
||||
}
|
||||
```
|
||||
|
||||
- [ ] **Step 2: 创建联系页 tab `contact-page-tab.tsx`**
|
||||
|
||||
参考 `error-pages/page.tsx` 交互：一个「启用」开关 + 一个 HTML 文本域 + 保存按钮。保存 `updateBatch([{key: KEY_SW_ENABLED,...},{key: KEY_SW_HTML,...}])`，成功后 `invalidateResponseQueries`。
|
||||
|
||||
```tsx
|
||||
'use client';
|
||||
|
||||
import { useEffect, useState } from 'react';
|
||||
import { useMutation, useQuery, useQueryClient } from '@tanstack/react-query';
|
||||
import { Loader2, Save } from 'lucide-react';
|
||||
import { toast } from 'sonner';
|
||||
|
||||
import { Button } from '@/components/ui/button';
|
||||
import {
|
||||
Card,
|
||||
CardContent,
|
||||
CardDescription,
|
||||
CardHeader,
|
||||
CardTitle,
|
||||
} from '@/components/ui/card';
|
||||
import { Label } from '@/components/ui/label';
|
||||
import { Switch } from '@/components/ui/switch';
|
||||
import { Textarea } from '@/components/ui/textarea';
|
||||
import { OptionService } from '@/lib/services/openflare';
|
||||
|
||||
import {
|
||||
defaultContactPageFields,
|
||||
invalidateResponseQueries,
|
||||
KEY_SW_ENABLED,
|
||||
KEY_SW_HTML,
|
||||
mapOptionsToContactFields,
|
||||
optionsToMap,
|
||||
type ContactPageFields,
|
||||
} from './shared';
|
||||
|
||||
export function ContactPageTab({ optionMap }: { optionMap: Record<string, string> }) {
|
||||
const queryClient = useQueryClient();
|
||||
const [fields, setFields] = useState<ContactPageFields>(
|
||||
defaultContactPageFields,
|
||||
);
|
||||
|
||||
useEffect(() => {
|
||||
setFields(mapOptionsToContactFields(optionMap));
|
||||
}, [optionMap]);
|
||||
|
||||
const saveMutation = useMutation({
|
||||
mutationFn: async () => {
|
||||
await OptionService.updateBatch([
|
||||
{ key: KEY_SW_ENABLED, value: String(fields.enabled) },
|
||||
{ key: KEY_SW_HTML, value: fields.html },
|
||||
]);
|
||||
},
|
||||
onSuccess: async () => {
|
||||
toast.success('联系页已保存，请前往版本发布使配置生效');
|
||||
await invalidateResponseQueries(queryClient);
|
||||
},
|
||||
onError: (error) => {
|
||||
toast.error(error instanceof Error ? error.message : '保存失败');
|
||||
},
|
||||
});
|
||||
|
||||
return (
|
||||
<div className='space-y-6'>
|
||||
<Card className='border-dashed shadow-none'>
|
||||
<CardHeader className='flex flex-row items-start justify-between gap-4 space-y-0'>
|
||||
<div className='space-y-1.5'>
|
||||
<CardTitle className='text-base'>离线兜底</CardTitle>
|
||||
<CardDescription>
|
||||
启用后给启用 HTTPS 的网站下发 Service Worker，域名被墙时浏览器从缓存展示此联系页。
|
||||
</CardDescription>
|
||||
</div>
|
||||
<Button
|
||||
size='sm'
|
||||
className='shrink-0'
|
||||
disabled={saveMutation.isPending}
|
||||
onClick={() => saveMutation.mutate()}
|
||||
>
|
||||
{saveMutation.isPending ? (
|
||||
<Loader2 className='size-3.5 animate-spin' />
|
||||
) : (
|
||||
<Save className='size-3.5' />
|
||||
)}
|
||||
保存
|
||||
</Button>
|
||||
</CardHeader>
|
||||
<CardContent className='space-y-4'>
|
||||
<div className='flex items-start justify-between gap-6'>
|
||||
<div className='space-y-1'>
|
||||
<Label className='text-sm font-medium'>启用 Service Worker 离线兜底</Label>
|
||||
<p className='text-sm text-muted-foreground'>
|
||||
仅对 HTTPS 网站生效；未启用的站点不受影响。
|
||||
</p>
|
||||
</div>
|
||||
<Switch
|
||||
checked={fields.enabled}
|
||||
onCheckedChange={(enabled) =>
|
||||
setFields((prev) => ({ ...prev, enabled }))
|
||||
}
|
||||
aria-label='启用离线兜底'
|
||||
className='mt-0.5 shrink-0'
|
||||
/>
|
||||
</div>
|
||||
<div className='flex flex-col gap-3'>
|
||||
<Label htmlFor='sw-offline-html' className='text-sm font-medium'>
|
||||
离线联系页 HTML
|
||||
</Label>
|
||||
<p className='text-sm text-muted-foreground'>
|
||||
留空则使用内置默认模板。
|
||||
</p>
|
||||
<Textarea
|
||||
id='sw-offline-html'
|
||||
value={fields.html}
|
||||
onChange={(e) =>
|
||||
setFields((prev) => ({ ...prev, html: e.target.value }))
|
||||
}
|
||||
rows={12}
|
||||
className='font-mono'
|
||||
disabled={!fields.enabled}
|
||||
/>
|
||||
</div>
|
||||
</CardContent>
|
||||
</Card>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
```
|
||||
|
||||
**注意：** 确认 `frontend/components/ui/` 存在 `textarea.tsx`（shadcn）。若无，用 `make sure` 或 `npx shadcn@latest add textarea` 添加。
|
||||
|
||||
- [ ] **Step 3: 创建页面容器 `responses/page.tsx`**
|
||||
|
||||
用 Tabs 组件组织「错误页」「联系页」两个 tab。错误页 tab 复用现有 `error-pages` 内容或重定向；联系页 tab 渲染 `ContactPageTab`。加载 `OptionService.list()` 传入 optionMap。
|
||||
|
||||
**实现提示：** 为避免重复，错误页 tab 的现有逻辑（`error-pages/page.tsx` 的 policy 卡片 + 预览卡）可先以 `redirect` 到 `/error-pages` 占位，或直接在容器内嵌两 tab。推荐：容器页 `responses/page.tsx` 读取 options，渲染 Tabs（错误页/联系页），错误页 tab 复用 `frontend/app/(main)/error-pages` 现有 UI（通过 import 其组件或在容器内重构）。**保守实现：** 容器页仅放两个 tab，错误页 tab 用 `<Link href='/error-pages'>` 或保留现有 `/error-pages` 路由，联系页 tab 显示新表单；导航入口改为「响应页面」指向 `/responses`。
|
||||
|
||||
- [ ] **Step 4: 更新导航**
|
||||
|
||||
`openflare-nav.ts` 第 63-67 行将「错误页」项改为「响应页面」：
|
||||
|
||||
```ts
|
||||
{
|
||||
title: '响应页面',
|
||||
url: '/responses',
|
||||
childUrls: ['/error-pages', '/responses/contact'],
|
||||
},
|
||||
```
|
||||
|
||||
第 123 行 `openflareWebsiteSubNav` 中 `{ title: '错误页', url: '/error-pages' }` 改为 `{ title: '响应页面', url: '/responses' }`。
|
||||
|
||||
- [ ] **Step 5: 构建前端**
|
||||
|
||||
Run: `cd /Users/ryan/conductor/workspaces/OpenFlare/islamabad/frontend && pnpm type-check`
|
||||
Expected: PASS
|
||||
|
||||
- [ ] **Step 6: 提交**
|
||||
|
||||
```bash
|
||||
git add frontend/app/\(main\)/responses frontend/lib/navigation/openflare-nav.ts
|
||||
git commit -m "feat(frontend): add response pages module with contact page tab"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
### Task 8: Changelog 与收尾验证
|
||||
|
||||
**Files:**
|
||||
- Modify: `docs/changelog/index.md`
|
||||
|
||||
**Interfaces:**
|
||||
- Produces: `[Unreleased]` 下用户可读中文条目。
|
||||
|
||||
- [ ] **Step 1: 追加 changelog**
|
||||
|
||||
在 `docs/changelog/index.md` 的 `[Unreleased]` 下追加：
|
||||
|
||||
```markdown
|
||||
### 新增
|
||||
|
||||
- 支持 Service Worker 离线兜底：为启用 HTTPS 的网站下发 Service Worker 并缓存离线联系页，域名无法访问时浏览器展示联系站长页面，减少用户流失。配置位于「响应页面」-「联系页」，可在版本发布中批量生效。
|
||||
```
|
||||
|
||||
- [ ] **Step 2: 运行完整校验**
|
||||
|
||||
Run: `cd /Users/ryan/conductor/workspaces/OpenFlare/islamabad && make code-check`
|
||||
Expected: PASS（golangci-lint + 前端类型检查）
|
||||
|
||||
- [ ] **Step 3: 运行后端全量测试**
|
||||
|
||||
Run: `go test ./...`
|
||||
Expected: PASS
|
||||
|
||||
- [ ] **Step 4: 格式化**
|
||||
|
||||
Run: `cd /Users/ryan/conductor/workspaces/OpenFlare/islamabad && make format`
|
||||
Expected: 无格式变更或已应用
|
||||
|
||||
- [ ] **Step 5: 提交**
|
||||
|
||||
```bash
|
||||
git add docs/changelog/index.md
|
||||
git commit -m "docs: sw offline fallback changelog"
|
||||
```
|
||||
|
||||
---
|
||||
|
||||
## Self-Review
|
||||
|
||||
**Spec 覆盖检查：**
|
||||
- 全局 Option（sw_offline_enabled / html）→ Task 1-3、5 ✓
|
||||
- 渲染层 SW 静态 + 挑战拦截（反代 + Pages，HTTPS-only）→ Task 4 ✓
|
||||
- SupportFile 下发 sw.js / offline.html，Agent 占位符替换 → Task 4、6 ✓
|
||||
- UA 白名单（真实浏览器特征）→ Task 6 `is_real_browser` ✓
|
||||
- Cookie 长过期 + 首次挑战页 → Task 6 ✓
|
||||
- 前端「响应页面」两 tab → Task 7 ✓
|
||||
- 迁移 seed → Task 2 ✓
|
||||
- Changelog → Task 8 ✓
|
||||
|
||||
**占位符扫描：** 无 TBD/TODO。Task 4 Step 5 与 Task 7 Step 3 保留实现细节提示（非占位，是给定方向让执行者按实际代码确认），已在文中明确标注"实现时确认"。
|
||||
|
||||
**类型一致性：** `ConfigSnapshot.SWOfflineEnabled/HTML` 在 Task 3/4/5 一致；`SWDirPlaceholder` 在 Task 3/4/6 一致；`sw_offline_enabled/sw_offline_html` key 在 Task 1/2/5/7 一致；`renderServiceWorkerChallenger`/`ServiceWorkerSupportFiles`/`EffectiveSWOfflineHTML`/`ManagedSWLuaFiles` 签名跨 Task 一致。
|
||||
|
||||
**已知待确认项（执行时需按实际代码落地）：**
|
||||
- Task 4：`renderAccessBlock` 的 access 块合并（避免 WAF/PoW 被覆盖）。
|
||||
- Task 6：`certFileTargetPath` 是否支持子目录，落盘目录创建。
|
||||
- Task 7：`textarea` 组件存在性；「响应页面」错误页 tab 与现有 `/error-pages` 路由的复用策略。
|
||||
File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,117 @@
|
||||
# Service Worker 离线兜底设计（issue #23）
|
||||
|
||||
- 日期：2026-08-08
|
||||
- 状态：设计已确认
|
||||
- 范围：Proxy Route（反代）+ Pages 静态托管 全覆盖
|
||||
|
||||
## 1. 背景与目标
|
||||
|
||||
当 CDN 域名被墙、浏览器对所有网络请求失败时，用户会直接流失。本功能通过给网站下发 Service Worker，缓存一个"联系站长"离线页；域名被墙后，SW 从缓存吐出该页，保留用户并引导联系站长。
|
||||
|
||||
核心约束：
|
||||
|
||||
- 平台一键批量下发，避免逐个 Agent 配置。
|
||||
- 不改源页代码，全部在 OpenResty 边缘层完成。
|
||||
- 覆盖反代（Proxy Route）与 Pages 静态托管两种网站类型。
|
||||
|
||||
## 2. 机制总览
|
||||
|
||||
采用「首次挑战页 + Cookie 放行 + UA 白名单」模式，替代 `sub_filter` 响应体重写。
|
||||
|
||||
| 环节 | 行为 |
|
||||
|---|---|
|
||||
| 真实浏览器 UA（含特征版本，如 `Chrome/120`）首次访问首页 | 返回 SW 挑战页（内嵌 `register('/sw.js')` 与离线页预缓存），设置长过期 Cookie |
|
||||
| 带 Cookie 的请求 | 直接放行到上游，正常返回真实页面 |
|
||||
| 未知 UA（爬虫、curl，无真实浏览器特征） | 直接放过，交给 WAF 处理，拿到真实内容 |
|
||||
|
||||
### 为什么不用 sub_filter
|
||||
|
||||
`sub_filter` 需处理上游 gzip / Content-Type / 大响应扫描 / 流式缓冲等多处坑。本方案不改上游 body，整体替换首次响应，以上问题全部规避；且爬虫（不匹配真实浏览器 UA）天然绕过挑战页，不伤 SEO。
|
||||
|
||||
## 3. 分层职责
|
||||
|
||||
```
|
||||
apps/proxy_route ─┐
|
||||
apps/pages ─┼─ model → repository → 渲染(pkg/render/openresty) → Agent(OpenResty)
|
||||
前端设置卡 ─┘ ↑ SW 挑战页 + sw.js/offline 落盘
|
||||
```
|
||||
|
||||
### 后端数据（全局 Option，与 origin error page 同模式）
|
||||
|
||||
`sw_offline` 相关配置作为**全局 SystemConfig / OpenRestyConfig snapshot 字段**，对所有启用 HTTPS 的路由生效，实现"一键批量下发"。新增字段：
|
||||
|
||||
- `sw_offline_enabled`：是否启用 SW 离线兜底
|
||||
- `sw_offline_html`：联系站长离线页 HTML 内容（默认提供内置模板）
|
||||
|
||||
### 渲染层（`pkg/render/openresty`）
|
||||
|
||||
新增 `renderServiceWorkerChallenger(cfg ConfigSnapshot)` 工具，为真实提供内容的 HTTPS server 块（`sw_offline_enabled` 且 `EnableHTTPS` 时）输出：
|
||||
|
||||
```nginx
|
||||
# SW 脚本 + 离线页（作为 support file 落盘）
|
||||
location = /sw.js { alias .../sw.js; add_header Service-Worker-Allowed /; }
|
||||
location = /offline.html { alias .../offline.html; }
|
||||
|
||||
# 仅首页拦截：真实浏览器 UA 且无 cookie → 返回 SW 挑战页
|
||||
# 否则（带 cookie / 未知 UA）→ 放行到上游
|
||||
location = / {
|
||||
if (真实浏览器UA && 无cookie) { content_by_lua 返回 SW 挑战页; }
|
||||
放行到上游;
|
||||
}
|
||||
```
|
||||
|
||||
- SW 逻辑：`install` 阶段缓存 `/offline.html`；`fetch` 事件在网络失败时返回 `caches.match('/offline.html')`。
|
||||
- 仅在 `EnableHTTPS` 时注入（SW 要求 HTTPS 安全上下文）。
|
||||
- 多域名 server 块：`/sw.js`、`/offline.html`、挑战页在各 `server_name` 下同源可达。
|
||||
- 仅对首页 `location = /` 触发；js/css/图片/API/子页面请求不拦，零额外开销。
|
||||
|
||||
## 4. 数据流
|
||||
|
||||
```
|
||||
用户首次访问首页(真实UA, 无cookie)
|
||||
→ OpenResty 判断：真实UA && 无cookie
|
||||
→ 返回 SW 挑战页 (内嵌 register + 预缓存 offline.html)
|
||||
→ 浏览器执行 → 注册 SW → 设置长过期 cookie
|
||||
→ 用户再次请求(带cookie)
|
||||
→ 放行到上游，正常返回真实页面
|
||||
域名被墙后
|
||||
→ 所有请求失败 → SW fetch 兜底 → 从缓存返回 /offline.html(联系页)
|
||||
```
|
||||
|
||||
## 5. 边界与风险
|
||||
|
||||
| 项 | 处理 |
|
||||
|---|---|
|
||||
| 首次即被墙的用户 | SW 未注册，兜底无效（所有 SW 方案共性，接受） |
|
||||
| HTTP-only 站点 | 跳过注入（SW 需 HTTPS） |
|
||||
| 反代多域名 | 各域名同源提供 sw.js / offline.html / 挑战页 |
|
||||
| Cookie 过期 | 设长过期（约 1 年），过期后重新走一次挑战页 |
|
||||
| 未知 UA | 放过并交给 WAF 处理，不重复拦截 |
|
||||
| 资源/API 请求 | 不拦，仅首页触发 |
|
||||
|
||||
## 6. 测试
|
||||
|
||||
- 渲染层单元测试：
|
||||
- `sw_offline_enabled` 时输出 sw.js / offline.html / 挑战页 location
|
||||
- 非 HTTPS 或未启用时不输出
|
||||
- 仅首页触发，子路径/资源不触发
|
||||
- UA 判定：真实浏览器 / 爬虫 / curl 三种 UA 的放行分支。
|
||||
- Cookie 有无的放行分支。
|
||||
- 现有 config snapshot checksum / rebind 测试不回归。
|
||||
|
||||
## 7. 前端命名与入口
|
||||
|
||||
离线联系页设置与现有 origin error page 设置合并为同一个功能模块，命名为**「响应页面」**（路由 `responses`），内含两个 tab：
|
||||
|
||||
- **错误页设置**：源站错误兜底页（现有 origin error page）
|
||||
- **联系页设置**：SW 离线兜底联系页（本功能）
|
||||
|
||||
两者同属「边缘层兜底展示页」语义，统一管理与入口。
|
||||
|
||||
## 8. 待实现确认项（写 plan 时细化）
|
||||
|
||||
- SW 挑战页与 sw.js 的具体 Lua 实现与落盘路径（对齐现有 support file 机制）。
|
||||
- `sw_offline_html` 默认内置模板样式（参考 origin error page 内置模板）。
|
||||
- 「响应页面」前端模块下错误页/联系页两个 tab 的具体位置与交互。
|
||||
- UA 白名单默认真实浏览器特征集合（Chrome / Firefox / Safari / Edge + 版本号正则）。
|
||||
- SW 落盘路径：sw.js / offline.html 通过 SupportFile 下发，Agent 替换占位符（类似 ErrorPageTmplPlaceholder 机制）。
|
||||
@@ -0,0 +1,191 @@
|
||||
# SW 离线兜底生效范围（域名作用域）设计
|
||||
|
||||
- 日期：2026-08-08
|
||||
- 状态：设计已确认
|
||||
- 前置：issue #23 Service Worker 离线兜底（`docs/superpowers/specs/2026-08-08-service-worker-offline-design.md`）
|
||||
- 范围：SW 注入从「全局所有 HTTPS 站点」细化为「总开关 + 域名作用域」
|
||||
|
||||
## 1. 背景与目标
|
||||
|
||||
issue #23 实现后，`sw_offline_enabled` 为全局布尔开关：开启后对所有启用 HTTPS 的路由注入 Service Worker 离线兜底。本需求将其细化为可选的**生效域名范围**：
|
||||
|
||||
- 保留总开关（`sw_offline_enabled`）。
|
||||
- 新增作用域：管理员选择需要生效的域名，仅作用域内域名注入 SW。
|
||||
- 域名选择交互参考 `/cloudflare/groups/1` 的「添加域名成员」弹窗（搜索筛选、按 Zone 分组、批量勾选），但**与 Cloudflare 完全解耦**——仅复用交互模式，数据源为平台自身 zones/zone_domains，不涉及 A 记录同步。
|
||||
|
||||
核心约束：
|
||||
|
||||
- 语义为「总开关 && 域名 ∈ 作用域」交集：总开关关 → 全部不注入；总开关开 + 作用域空 → 不注入；总开关开 + 域名命中 → 注入。
|
||||
- 与 Cloudflare 指向分组（A 记录）无任何关联。
|
||||
- 联系页 HTML（`sw_offline_html`）仍为全局单份，不分域名定制。
|
||||
|
||||
## 2. 机制总览
|
||||
|
||||
```
|
||||
sw_offline_enabled (bool, 已有) 总开关
|
||||
sw_offline_html (string, 已有) 联系页 HTML（全局一份）
|
||||
sw_offline_domains (JSON 字符串数组, 新增) 生效域名作用域
|
||||
|
||||
渲染: routeSWEnabled(routeDomains, cfg)
|
||||
= SWOfflineEnabled && routeDomains ∩ SWOfflineDomains ≠ ∅
|
||||
命中 → HTTPS server 块注入 access 检查 + SW location
|
||||
未命中 → 与 feature 前字节一致
|
||||
```
|
||||
|
||||
Support files（`sw/sw.js`、`sw/offline.html`）仅在「总开关开 && 作用域非空」时下发，避免空作用域产生无用资源。
|
||||
|
||||
## 3. 数据层
|
||||
|
||||
### 3.1 配置 key
|
||||
|
||||
`model.ConfigKeySWOfflineDomains = "sw_offline_domains"`（business 类型，visibility 0），值存 JSON 域名字符串数组：
|
||||
|
||||
```json
|
||||
["example.com", "api.example.com"]
|
||||
```
|
||||
|
||||
### 3.2 goose 迁移（postgres + sqlite 各一份）
|
||||
|
||||
`INSERT INTO w_system_configs (key, value, type, visibility, description, created_at, updated_at) VALUES ('sw_offline_domains', '[]', 'business', 0, 'SW 离线兜底生效域名列表（JSON 数组，空则仅总开关无效）', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) ON CONFLICT (key) DO NOTHING;`
|
||||
|
||||
Down 删除该 key。migrator 测试计数 92 → 93，并更新注释。
|
||||
|
||||
### 3.3 validator
|
||||
|
||||
`validateSWOfflineDomains(key, value string) error`，注册进 `openRestyOptionValidators`：
|
||||
|
||||
- JSON 解析为 `[]string`，失败报「必须为 JSON 字符串数组」
|
||||
- 元素去重（重复报错）
|
||||
- 元素非空、小写规范化校验（复用/对齐 zone `normalizeDomain` 的域名格式约束：无 `*`、无 `://` `/` `?` `#` `@`、`publicsuffix.EffectiveTLDPlusOne` 可解析）
|
||||
- 数量上限 `maxSWOfflineDomains = 1000`（防滥用）
|
||||
|
||||
### 3.4 config_version snapshot
|
||||
|
||||
- `openRestyConfigSnapshot`（`snapshot.go`）新增 `SWOfflineDomains []string json:"sw_offline_domains,omitempty"`。
|
||||
- `buildOpenRestyConfigSnapshot` 新增 `getStringSliceConfig(key string, defaultVal []string) []string`（解析 JSON 数组，失败回退默认），赋值 `SWOfflineDomains: getStringSliceConfig(model.ConfigKeySWOfflineDomains, nil)`。
|
||||
- `logics.go`：`diffOpenRestyOptionDetails` 追加 `appendIfChanged("SWOfflineDomains", ...)`；`openRestyOptionKeys()` 追加 `"SWOfflineDomains"`。
|
||||
|
||||
## 4. 渲染层（pkg/render/openresty）
|
||||
|
||||
### 4.1 ConfigSnapshot
|
||||
|
||||
`types.go` 的 `ConfigSnapshot` 新增：
|
||||
|
||||
```go
|
||||
// SWOfflineDomains restricts the offline fallback to matching HTTPS routes.
|
||||
SWOfflineDomains []string `json:"sw_offline_domains,omitempty"`
|
||||
```
|
||||
|
||||
### 4.2 作用域判断
|
||||
|
||||
```go
|
||||
// routeSWEnabled returns true when SW offline fallback applies to this route.
|
||||
func routeSWEnabled(routeDomains []string, cfg ConfigSnapshot) bool {
|
||||
if !cfg.SWOfflineEnabled || len(cfg.SWOfflineDomains) == 0 {
|
||||
return false
|
||||
}
|
||||
scope := make(map[string]struct{}, len(cfg.SWOfflineDomains))
|
||||
for _, d := range cfg.SWOfflineDomains {
|
||||
scope[d] = struct{}{}
|
||||
}
|
||||
for _, d := range routeDomains {
|
||||
if _, ok := scope[d]; ok {
|
||||
return true
|
||||
}
|
||||
}
|
||||
return false
|
||||
}
|
||||
```
|
||||
|
||||
域名精确匹配（存储时已小写规范化）。
|
||||
|
||||
### 4.3 server 渲染签名扩展
|
||||
|
||||
- `RenderRouteConfig`：每 route 计算 `swEnabled := routeSWEnabled(domains, doc.OpenRestyConfig)`，传入 `renderProxyRoute` / `renderPagesRoute`（新增 `swEnabled bool` 参数）。
|
||||
- 下传链路：`renderProxyRouteHTTPS` / `renderPagesRouteHTTPS` / `renderHTTPSServer` / `renderHTTPSPagesServer` 均新增 `swEnabled bool` 参数。
|
||||
- `swEnabled=true` → `renderAccessBlockWithSW(siteName, powEnabled, cfg)` + 追加 `renderServiceWorkerChallenger(cfg)`（现行为，两函数内部不再判断 `SWOfflineEnabled`，条件已上移到 route 层）。
|
||||
- `swEnabled=false` → 纯 `renderAccessBlock`，无 challenger（与 feature 前字节一致）。
|
||||
- HTTP（80）server 块保持不注入（issue #23 已定 HTTPS-only）。
|
||||
- `renderAccessBlockWithSW` / `renderServiceWorkerChallenger` 保留 `cfg` 参数（HTML 内容来自 `cfg.SWOfflineHTML`），仅移除其内部开关判断。
|
||||
|
||||
### 4.4 Support files
|
||||
|
||||
`Render` 中生成条件从 `if doc.OpenRestyConfig.SWOfflineEnabled` 改为：
|
||||
|
||||
```go
|
||||
if doc.OpenRestyConfig.SWOfflineEnabled && len(doc.OpenRestyConfig.SWOfflineDomains) > 0 {
|
||||
files = append(files, ServiceWorkerSupportFiles(doc.OpenRestyConfig)...)
|
||||
}
|
||||
```
|
||||
|
||||
### 4.5 测试
|
||||
|
||||
- `routeSWEnabled`：开关关 / 作用域空 / 无交集 / 单域名交集 / 多域名部分交集。
|
||||
- HTTPS server 渲染：命中 → 含 `require("sw.runtime").check()` + 三个 SW location；未命中 → 与旧输出字节一致。
|
||||
- `Render`：空作用域不下发 `sw/*` support files。
|
||||
- 现有 `TestRenderAccessBlockWithSWMergesSingleBlock` 等适配新签名（`cfg` 语义变化：禁用时不再由内部判断，改由上层传 `swEnabled`）。
|
||||
|
||||
## 5. 前端（frontend/app/(main)/responses）
|
||||
|
||||
### 5.1 联系页 tab 布局
|
||||
|
||||
联系页 tab 两张卡片：
|
||||
|
||||
**卡片 1：离线兜底（总开关）**
|
||||
- 标题「离线兜底」+ 描述。
|
||||
- 右上角「保存」按钮。
|
||||
- 「启用 Service Worker 离线兜底」Switch（`sw_offline_enabled`）。
|
||||
- 「生效范围」区块：当前已选域名 badge 列表（可移除）+「添加域名」按钮打开弹窗；开关关闭时整卡禁用/置灰。
|
||||
- 保存时 `updateBatch` 一次性提交三个 key：
|
||||
```ts
|
||||
{ key: KEY_SW_ENABLED, value: String(fields.enabled) },
|
||||
{ key: KEY_SW_HTML, value: fields.html },
|
||||
{ key: KEY_SW_DOMAINS, value: JSON.stringify(fields.domains) },
|
||||
```
|
||||
- 保存成功后 `invalidateResponseQueries`（toast 提示「请前往版本发布使配置生效」不变）。
|
||||
|
||||
**卡片 2：联系页 HTML**
|
||||
- 复用 `HtmlEditorWorkspace`（见 5.3），无占位符，实时预览原样 HTML。
|
||||
|
||||
### 5.2 域名选择弹窗（scope-domain-dialog.tsx）
|
||||
|
||||
- 交互复用 `member-add-dialog.tsx`：搜索框（域名/zone 模糊匹配）、按 Zone 分组折叠、组内勾选/取消、全选可见/清空、已选计数。
|
||||
- 无橙云开关、无 Cloudflare 依赖。
|
||||
- 数据源：`ZoneService.list()` + 每 zone `ZoneService.getOverview(id)` 并行拉取（`Promise.all`），zone 根域并入对应分组。**不新增后端 API**。
|
||||
- 弹窗预勾选当前已生效域名；确认后返回选中的域名字符串数组（覆盖式替换本地 fields.domains）。
|
||||
- 空态：无 zone 时提示「暂无可用域名，请先在 Zone 管理中注册」。
|
||||
|
||||
### 5.3 HtmlEditorWorkspace 复用（泛化）
|
||||
|
||||
`frontend/app/(main)/error-pages/components/html-editor-workspace.tsx` 泛化并移至 `frontend/components/common/html-editor-workspace.tsx`：
|
||||
|
||||
- Props 扩展：
|
||||
- `maxBytes?: number`（默认 `ORIGIN_ERROR_PAGE_HTML_MAX_BYTES` = 256 KiB，SW 同为 256 KiB 常量可共用）
|
||||
- `preview?: (html: string) => string`（默认 `previewOriginErrorPageHTML`；SW 传 `(html) => html` 原样预览）
|
||||
- `footerHint?: React.ReactNode`（预览 footer 提示文案，默认错误页的「`{{status}}`→502 · `{{host}}`→example.com」；SW 传 `null`）
|
||||
- 错误页 `edit/page.tsx` 改 import 路径，行为不变。
|
||||
- `frontend/components/common/` 若不存在则创建目录。
|
||||
|
||||
### 5.4 shared.ts 与表单
|
||||
|
||||
- `KEY_SW_DOMAINS = 'sw_offline_domains'`。
|
||||
- `ContactPageFields` 增加 `domains: string[]`；`defaultContactPageFields.domains = []`。
|
||||
- `mapOptionsToContactFields` 解析 `sw_offline_domains` JSON（容错：非法 JSON → `[]`）。
|
||||
|
||||
## 6. 验证
|
||||
|
||||
- 后端：`go test ./pkg/render/openresty/... ./internal/apps/openflare/option/... ./internal/apps/openflare/config_version/... ./internal/infra/persistence/migrator/...`
|
||||
- 前端：`pnpm tsc --noEmit` + `eslint`（联系页新字段/弹窗/多 zone 并行拉取）
|
||||
- 全量：`go test ./...`、`make code-check`、`make format`
|
||||
- `make swagger`：无新 API（验证无变更即可）
|
||||
|
||||
## 7. Changelog
|
||||
|
||||
`docs/changelog/index.md` `[Unreleased]` 更新 SW 条目：新增「可指定生效域名范围（仅对选中的 HTTPS 域名生效）」。
|
||||
|
||||
## 8. 已知边界
|
||||
|
||||
- 作用域存域名字符串数组：域名从 zone/zone_domain 改名后需手动同步作用域（与 `route.Domains` 精确匹配）。
|
||||
- 联系页 HTML 全局单份，不分域名定制。
|
||||
- 空作用域 + 总开关开 → 不注入（前端置灰提示先选域名）。
|
||||
- 匹配为精确匹配，不跨子域通配（选 `example.com` 不自动覆盖 `api.example.com`，需显式加入）。
|
||||
Reference in New Issue
Block a user