├── .gitignore ├── .env.example ├── .dockerignore ├── wrangler.toml ├── package.json ├── src ├── utils │ ├── config.js │ └── crypto.js ├── worker.js └── client.js ├── .github └── workflows │ └── docker.yml ├── Dockerfile ├── CLAUDE.md ├── README.md ├── pnpm-lock.yaml └── LICENSE /.gitignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | .env 3 | .wrangler 4 | dist 5 | .dev 6 | *.log 7 | -------------------------------------------------------------------------------- /.env.example: -------------------------------------------------------------------------------- 1 | # 客户端配置 2 | URL="ws://127.0.0.1:8787/ws" 3 | KEY="wsdog" 4 | METHOD="aes-256-gcm" 5 | TIMEOUT=600 6 | 7 | LOCAL_HOST=127.0.0.1 8 | LOCAL_PORT=1080 9 | -------------------------------------------------------------------------------- /.dockerignore: -------------------------------------------------------------------------------- 1 | node_modules 2 | .git 3 | .gitignore 4 | .env 5 | .env.* 6 | *.md 7 | wrangler.toml 8 | .wrangler 9 | dist 10 | .DS_Store 11 | npm-debug.log 12 | yarn-error.log 13 | pnpm-debug.log 14 | -------------------------------------------------------------------------------- /wrangler.toml: -------------------------------------------------------------------------------- 1 | name = "wsdog" 2 | main = "src/worker.js" 3 | compatibility_date = "2024-10-01" 4 | 5 | # 环境变量配置 6 | [vars] 7 | KEY = "wsdog" 8 | METHOD = "aes-256-gcm" 9 | 10 | # 生产环境配置 11 | [env.production] 12 | name = "wsdog-production" 13 | vars = { KEY = "your-production-key", METHOD = "aes-256-gcm" } 14 | -------------------------------------------------------------------------------- /package.json: -------------------------------------------------------------------------------- 1 | { 2 | "name": "wsdog", 3 | "version": "2.0.0", 4 | "type": "module", 5 | "description": "An encrypted proxy service program through websocket", 6 | "repository": "git@github.com:metowolf/wsdog.git", 7 | "author": "metowolf ", 8 | "license": "MIT", 9 | "scripts": { 10 | "dev": "wrangler dev src/worker.js", 11 | "deploy": "wrangler deploy src/worker.js", 12 | "client": "node src/client.js" 13 | }, 14 | "dependencies": { 15 | "dotenv": "^16.4.5", 16 | "hono": "^4.6.14", 17 | "ws": "^8.18.0" 18 | }, 19 | "devDependencies": { 20 | "wrangler": "^4.42.0" 21 | } 22 | } 23 | -------------------------------------------------------------------------------- /src/utils/config.js: -------------------------------------------------------------------------------- 1 | /** 2 | * 配置管理模块 - ESM 版本 3 | */ 4 | 5 | import { config as dotenvConfig } from 'dotenv' 6 | import { fileURLToPath } from 'url' 7 | import { dirname, join } from 'path' 8 | 9 | const __filename = fileURLToPath(import.meta.url) 10 | const __dirname = dirname(__filename) 11 | 12 | // 加载 .env 文件 13 | dotenvConfig({ path: join(__dirname, '../../.env') }) 14 | 15 | export const config = { 16 | url: process.env.URL || 'ws://127.0.0.1:8787/ws', 17 | key: process.env.KEY || 'wsdog', 18 | method: process.env.METHOD || 'aes-256-gcm', 19 | timeout: parseInt(process.env.TIMEOUT || '600', 10) * 1000, 20 | local_host: process.env.LOCAL_HOST || '127.0.0.1', 21 | local_port: process.env.LOCAL_PORT || '1080', 22 | } 23 | -------------------------------------------------------------------------------- /.github/workflows/docker.yml: -------------------------------------------------------------------------------- 1 | name: Build and Push Docker Image 2 | 3 | on: 4 | push: 5 | branches: 6 | - master 7 | tags: 8 | - 'v*' 9 | 10 | env: 11 | REGISTRY: ghcr.io 12 | IMAGE_NAME: ${{ github.repository }} 13 | 14 | jobs: 15 | build-and-push: 16 | runs-on: ubuntu-latest 17 | permissions: 18 | contents: read 19 | packages: write 20 | 21 | steps: 22 | - name: Checkout repository 23 | uses: actions/checkout@v4 24 | 25 | - name: Set up Docker Buildx 26 | uses: docker/setup-buildx-action@v3 27 | 28 | - name: Log in to GitHub Container Registry 29 | uses: docker/login-action@v3 30 | with: 31 | registry: ${{ env.REGISTRY }} 32 | username: ${{ github.actor }} 33 | password: ${{ secrets.GITHUB_TOKEN }} 34 | 35 | - name: Extract metadata for Docker 36 | id: meta 37 | uses: docker/metadata-action@v5 38 | with: 39 | images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }} 40 | tags: | 41 | type=ref,event=branch 42 | type=semver,pattern={{version}} 43 | type=semver,pattern={{major}}.{{minor}} 44 | type=semver,pattern={{major}} 45 | type=raw,value=latest,enable={{is_default_branch}} 46 | 47 | - name: Build and push Docker image 48 | uses: docker/build-push-action@v5 49 | with: 50 | context: . 51 | platforms: linux/amd64,linux/arm64 52 | push: true 53 | tags: ${{ steps.meta.outputs.tags }} 54 | labels: ${{ steps.meta.outputs.labels }} 55 | cache-from: type=gha 56 | cache-to: type=gha,mode=max 57 | -------------------------------------------------------------------------------- /Dockerfile: -------------------------------------------------------------------------------- 1 | FROM node:20-alpine 2 | 3 | WORKDIR /app 4 | 5 | # 复制依赖配置 6 | COPY package.json ./ 7 | COPY pnpm-lock.yaml* ./ 8 | 9 | # 安装 pnpm 和依赖 10 | RUN corepack enable && \ 11 | corepack prepare pnpm@latest --activate && \ 12 | pnpm install --prod 13 | 14 | # 复制源代码 15 | COPY src ./src 16 | 17 | # 设置环境变量默认值 18 | ENV NODE_ENV=production \ 19 | LOCAL_HOST=0.0.0.0 \ 20 | LOCAL_PORT=1080 \ 21 | TIMEOUT=600 22 | 23 | # 暴露 SOCKS5 端口 24 | EXPOSE 1080 25 | 26 | # 启动脚本 27 | COPY <<'EOF' /app/entrypoint.sh 28 | #!/bin/sh 29 | set -e 30 | 31 | case "$1" in 32 | client) 33 | # 检查必需的环境变量 34 | if [ -z "$URL" ]; then 35 | echo "Error: URL environment variable is required for client mode" 36 | exit 1 37 | fi 38 | if [ -z "$KEY" ]; then 39 | echo "Error: KEY environment variable is required for client mode" 40 | exit 1 41 | fi 42 | 43 | echo "Starting wsdog client..." 44 | echo "Connecting to: $URL" 45 | echo "Local proxy: ${LOCAL_HOST}:${LOCAL_PORT}" 46 | exec node src/client.js 47 | ;; 48 | server) 49 | echo "Error: Server mode requires Cloudflare Workers deployment" 50 | echo "Please use 'pnpm run deploy' to deploy to Cloudflare Workers" 51 | exit 1 52 | ;; 53 | *) 54 | echo "Usage: docker run [options] wsdog [client|server]" 55 | echo "" 56 | echo "Commands:" 57 | echo " client Start SOCKS5 client (requires URL and KEY env vars)" 58 | echo " server Not supported - use Cloudflare Workers deployment" 59 | echo "" 60 | echo "Required environment variables for client mode:" 61 | echo " URL WebSocket server URL (e.g., ws://example.com/ws)" 62 | echo " KEY Encryption key (must match server)" 63 | echo "" 64 | echo "Optional environment variables:" 65 | echo " METHOD Encryption method (default: aes-256-gcm)" 66 | echo " LOCAL_HOST Local bind address (default: 0.0.0.0)" 67 | echo " LOCAL_PORT Local SOCKS5 port (default: 1080)" 68 | echo " TIMEOUT Connection timeout in seconds (default: 600)" 69 | echo "" 70 | echo "Example:" 71 | echo " docker run -e URL=ws://example.com/ws -e KEY=mysecret -p 1080:1080 wsdog client" 72 | exit 1 73 | ;; 74 | esac 75 | EOF 76 | 77 | RUN chmod +x /app/entrypoint.sh 78 | 79 | ENTRYPOINT ["/app/entrypoint.sh"] 80 | CMD ["client"] 81 | -------------------------------------------------------------------------------- /CLAUDE.md: -------------------------------------------------------------------------------- 1 | # CLAUDE.md 2 | 3 | This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository. 4 | 5 | ## 项目概述 6 | 7 | wsdog 是一个通过 WebSocket 实现的加密代理服务程序,使用 ESM 标准重构,基于 Hono 框架。支持部署到 Cloudflare Workers。 8 | 9 | **架构组成**: 10 | - **服务端 (src/worker.js)**: 基于 Hono 的 WebSocket 服务器,部署在 Cloudflare Workers,接收客户端连接并转发到目标地址 11 | - **客户端 (src/client.js)**: SOCKS5 代理服务器,运行在本地 Node.js 环境,将本地请求通过 WebSocket 转发到服务端 12 | 13 | ## 核心架构 14 | 15 | ### 连接流程 16 | 1. 客户端启动 SOCKS5 服务器 (默认 127.0.0.1:1080) 17 | 2. 接收 SOCKS5 连接后,客户端建立 WebSocket 连接到服务端 18 | 3. 使用 AES-GCM 加密算法对传输数据进行加密 19 | 4. 服务端解密后使用 Cloudflare Workers 的 `connect()` API 连接到目标地址 20 | 5. 建立双向数据转发通道 21 | 22 | ### 状态机设计 23 | 24 | **服务端三阶段** (src/worker.js): 25 | - `STAGE_CONNECT (0x01)`: 接收连接请求,解析目标地址和端口,建立到目标的 TCP 连接 26 | - `STAGE_CACHE (0x10)`: 缓存客户端数据,等待远程连接建立完成 27 | - `STAGE_PIPE (0x11)`: 双向转发加密数据 (WebSocket ↔ TCP) 28 | 29 | **客户端四阶段** (src/client.js): 30 | - `STAGE_INIT (0x00)`: SOCKS5 握手,响应 `0x05 0x00` (无需认证) 31 | - `STAGE_CONNECT (0x01)`: 解析 SOCKS5 请求,建立 WebSocket 连接,发送加密的目标地址 32 | - `STAGE_CACHE (0x10)`: 缓存本地数据,等待 WebSocket 连接建立 33 | - `STAGE_PIPE (0x11)`: 双向转发加密数据 (SOCKS5 ↔ WebSocket) 34 | 35 | ### 加密机制 36 | 37 | 使用两套独立的加密实现,保持协议兼容: 38 | 39 | **服务端 (src/utils/crypto.js)**: 40 | - 使用 Web Crypto API (Cloudflare Workers 兼容) 41 | - PBKDF2 密钥派生: `password + "salt" + 10000 iterations + SHA-256` 42 | - AES-GCM 加密,128-bit 认证标签 43 | 44 | **客户端 (src/utils/crypto-node.js)**: 45 | - 使用 Node.js crypto 模块 46 | - 相同的 PBKDF2 参数保持兼容性 47 | - AES-GCM 加密,认证标签附加在密文末尾 (最后 16 字节) 48 | 49 | **会话加密流程**: 50 | 1. 客户端首次连接时生成 16 字节随机 nonce 51 | 2. 首个消息: `encrypt(addr + port, nonce) + nonce` (共享 nonce) 52 | 3. 后续消息: `encrypt(data, nonce)` (使用相同 nonce) 53 | 4. 服务端使用接收到的 nonce 解密所有后续数据 54 | 55 | ## 开发命令 56 | 57 | ### 依赖管理 58 | ```bash 59 | pnpm install # 安装依赖 60 | ``` 61 | 62 | ### 本地开发 63 | ```bash 64 | pnpm run dev # 启动 Wrangler 本地开发服务器 (默认 http://127.0.0.1:8787) 65 | pnpm run client # 启动 SOCKS5 客户端 (需要先配置 .env) 66 | ``` 67 | 68 | ### 部署 69 | ```bash 70 | pnpm run deploy # 部署到 Cloudflare Workers 71 | ``` 72 | 73 | ### 测试 74 | ```bash 75 | curl -Lx socks5h://127.0.0.1:1080 www.google.com 76 | ``` 77 | 78 | ## 配置说明 79 | 80 | ### 服务端配置 (wrangler.toml) 81 | ```toml 82 | [vars] 83 | KEY = "wsdog" # 加密密钥 84 | METHOD = "aes-256-gcm" # 加密算法 85 | ``` 86 | 87 | ### 客户端配置 (.env) 88 | ```env 89 | URL="ws://127.0.0.1:8787/ws" # WebSocket 服务器地址 90 | KEY="wsdog" # 加密密钥 (需与服务端一致) 91 | METHOD="aes-256-gcm" # 加密算法 (需与服务端一致) 92 | TIMEOUT=600 # 连接超时 (秒) 93 | LOCAL_HOST=127.0.0.1 # 本地监听地址 94 | LOCAL_PORT=1080 # SOCKS5 端口 95 | ``` 96 | 97 | **支持的加密算法**: `aes-128-gcm`, `aes-192-gcm`, `aes-256-gcm`, `none` (测试用) 98 | 99 | ## 代码规范 100 | 101 | - 使用 ESM 模块标准 (`import`/`export`) 102 | - 服务端仅使用 Web 标准 API (Web Crypto API, WebSocket API, Cloudflare Workers API) 103 | - 客户端使用 Node.js 原生模块 (net, crypto, ws) 104 | - 异步操作优先使用 `async/await` 105 | - 状态机模式管理连接生命周期 106 | - 控制台日志使用 `[模块名]` 前缀格式 107 | - 所有二进制数据使用 `Uint8Array` 或 `Buffer` 处理 108 | 109 | ## Cloudflare Workers 约束 110 | 111 | - 不支持原生 TCP socket,必须使用 `connect()` API 建立 TCP 连接 112 | - WebSocket 连接通过 `WebSocketPair` 创建 113 | - CPU 时间限制 (免费版 10ms,付费版 50ms) 114 | - 内存限制 (128MB) 115 | - 请求超时 (免费版 30s,付费版可配置) 116 | - 不支持 Node.js 特定 API (fs, path, child_process 等) 117 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 |

2 | 3 | 4 | 5 |

6 | 7 |

An encrypted proxy service program through websocket.

8 | 9 |

10 | Project Source · 11 | Telegram Channel 12 |

13 | 14 | --- 15 | 16 | ## wsdog v2.0 - Hono + Cloudflare Workers 17 | 18 | 基于 Hono 框架重构的 wsdog,支持部署到 Cloudflare Workers。 19 | 20 | ### 主要特性 21 | 22 | - ✅ 使用 **ESM** 标准重构全部代码 23 | - ✅ 服务端基于 **Hono** 框架,支持部署到 **Cloudflare Workers** 24 | - ✅ 使用 **Web Crypto API** 实现加密 (兼容 Workers 环境) 25 | - ✅ 简化配置,使用 **wrangler.toml** 管理服务端配置 26 | - ✅ 保持完整的加密和 SOCKS5 代理功能 27 | - ✅ 使用 **pnpm** 作为包管理器 28 | 29 | ## 快速开始 30 | 31 | ### 1. 安装依赖 32 | 33 | ```bash 34 | pnpm install 35 | ``` 36 | 37 | ### 2. 本地开发 38 | 39 | 启动服务端 (使用 Wrangler 本地开发服务器): 40 | ```bash 41 | pnpm run dev 42 | ``` 43 | 44 | 在另一个终端启动客户端: 45 | ```bash 46 | # 创建 .env 文件 47 | cp .env.example .env 48 | 49 | # 编辑 .env,设置 URL 和密钥 50 | # URL="ws://127.0.0.1:8787/ws" 51 | # KEY="your-secret-key" 52 | 53 | pnpm run client 54 | ``` 55 | 56 | ### 3. 测试连接 57 | 58 | ```bash 59 | curl -Lx socks5h://127.0.0.1:1080 www.google.com 60 | ``` 61 | 62 | ### 4. 部署到 Cloudflare Workers 63 | 64 | 编辑 `wrangler.toml`,设置生产环境配置: 65 | ```toml 66 | [env.production] 67 | name = "wsdog-production" 68 | vars = { KEY = "your-production-key", METHOD = "aes-256-gcm" } 69 | ``` 70 | 71 | 部署: 72 | ```bash 73 | pnpm run deploy 74 | ``` 75 | 76 | 部署后更新客户端 `.env`: 77 | ```env 78 | URL="wss://wsdog-production.your-account.workers.dev/ws" 79 | KEY="your-production-key" 80 | METHOD="aes-256-gcm" 81 | ``` 82 | 83 | ## 配置说明 84 | 85 | ### 服务端配置 (wrangler.toml) 86 | 87 | ```toml 88 | [vars] 89 | KEY = "wsdog" # 加密密钥 90 | METHOD = "aes-256-gcm" # 加密算法 91 | ``` 92 | 93 | ### 客户端配置 (.env) 94 | 95 | ```env 96 | URL="ws://127.0.0.1:8787/ws" # WebSocket 服务器地址 97 | KEY="wsdog" # 加密密钥 (需与服务端一致) 98 | METHOD="aes-256-gcm" # 加密算法 (需与服务端一致) 99 | TIMEOUT=600 # 超时时间 (秒) 100 | LOCAL_HOST=127.0.0.1 # 本地监听地址 101 | LOCAL_PORT=1080 # SOCKS5 端口 102 | ``` 103 | 104 | ### 支持的加密算法 105 | 106 | - `aes-128-gcm` 107 | - `aes-192-gcm` 108 | - `aes-256-gcm` 109 | - `none` (仅用于测试,不推荐生产环境) 110 | 111 | ## 架构说明 112 | 113 | ### 组件 114 | 115 | - **服务端 (src/worker.js)**: 基于 Hono 的 WebSocket 服务器,部署在 Cloudflare Workers 116 | - **客户端 (src/client.js)**: SOCKS5 代理服务器,运行在本地 Node.js 环境 117 | 118 | ### 项目结构 119 | 120 | ``` 121 | wsdog/ 122 | ├── src/ 123 | │ ├── worker.js # Cloudflare Workers 入口 (Hono 应用) 124 | │ ├── client.js # SOCKS5 客户端 125 | │ └── utils/ 126 | │ ├── crypto.js # Web Crypto API 加密 (服务端) 127 | │ ├── crypto-node.js # Node.js 加密 (客户端) 128 | │ └── config.js # 客户端配置管理 129 | ├── wrangler.toml # Cloudflare Workers 配置 130 | ├── package.json # 项目依赖和脚本 131 | └── .env.example # 客户端配置示例 132 | ``` 133 | 134 | ## 优势 135 | 136 | ### Cloudflare Workers 部署 137 | 138 | - ✅ **全球边缘网络**: 自动部署到全球数据中心 139 | - ✅ **高可用**: 无需管理服务器 140 | - ✅ **快速**: 边缘计算,低延迟 141 | - ✅ **免费额度**: 每天 100,000 次请求 142 | 143 | ### 技术栈 144 | 145 | - ✅ **Hono**: 轻量级、高性能 Web 框架 146 | - ✅ **ESM**: 现代 JavaScript 模块标准 147 | - ✅ **Web Crypto API**: 标准化加密接口 148 | - ✅ **pnpm**: 快速、节省磁盘空间的包管理器 149 | 150 | ## 常见问题 151 | 152 | ### Q: 如何调试? 153 | 154 | A: 使用 `pnpm run dev` 启动本地开发模式,支持热重载和日志输出。 155 | 156 | ### Q: 为什么客户端还是 Node.js? 157 | 158 | A: SOCKS5 代理需要监听本地端口,这个功能 Cloudflare Workers 不支持,必须在本地运行。 159 | 160 | ### Q: v1.0 和 v2.0 能否互通? 161 | 162 | A: 不能。v2.0 使用 PBKDF2 密钥派生,与 v1.0 的实现不兼容。 163 | 164 | ## 许可证 165 | 166 | MIT License 167 | -------------------------------------------------------------------------------- /src/worker.js: -------------------------------------------------------------------------------- 1 | /** 2 | * Cloudflare Workers 服务端 - 使用 Hono 框架 3 | */ 4 | 5 | import { Hono } from 'hono' 6 | import { Crypto } from './utils/crypto.js' 7 | import { connect } from 'cloudflare:sockets' 8 | 9 | const app = new Hono() 10 | 11 | // 连接阶段常量 12 | const STAGE_CONNECT = 0x01 13 | const STAGE_CACHE = 0x10 14 | const STAGE_PIPE = 0x11 15 | 16 | /** 17 | * 处理 WebSocket 连接 18 | */ 19 | async function handleWebSocket(request, env) { 20 | const upgradeHeader = request.headers.get('Upgrade') 21 | if (!upgradeHeader || upgradeHeader !== 'websocket') { 22 | return new Response('Expected Upgrade: websocket', { status: 426 }) 23 | } 24 | 25 | const webSocketPair = new WebSocketPair() 26 | const [client, server] = Object.values(webSocketPair) 27 | 28 | // 获取配置 29 | const key = env.KEY || 'wsdog' 30 | const method = env.METHOD || 'aes-256-gcm' 31 | const crypto = new Crypto(key, method) 32 | 33 | // 连接状态 34 | const state = { 35 | stage: STAGE_CONNECT, 36 | nonce: null, 37 | remote: null, 38 | cache: [] 39 | } 40 | 41 | server.accept() 42 | 43 | server.addEventListener('message', async (event) => { 44 | try { 45 | // 兼容不同环境的 event.data 类型 46 | let arrayBuffer 47 | if (event.data instanceof ArrayBuffer) { 48 | arrayBuffer = event.data 49 | } else if (event.data.arrayBuffer) { 50 | arrayBuffer = await event.data.arrayBuffer() 51 | } else { 52 | throw new Error('Unsupported data type') 53 | } 54 | const data = new Uint8Array(arrayBuffer) 55 | 56 | switch (state.stage) { 57 | case STAGE_CONNECT: 58 | await handleConnect(state, data, crypto, server) 59 | break 60 | case STAGE_CACHE: 61 | await handleCache(state, data, crypto) 62 | break 63 | case STAGE_PIPE: 64 | await handlePipe(state, data, crypto) 65 | break 66 | } 67 | } catch (error) { 68 | console.error('[websocket] error:', error.message) 69 | server.close() 70 | } 71 | }) 72 | 73 | server.addEventListener('close', () => { 74 | console.log('[websocket] closed') 75 | if (state.remote) { 76 | state.remote.close() 77 | } 78 | }) 79 | 80 | return new Response(null, { 81 | status: 101, 82 | webSocket: client 83 | }) 84 | } 85 | 86 | /** 87 | * 连接阶段 - 解析目标地址并建立连接 88 | */ 89 | async function handleConnect(state, data, crypto, server) { 90 | // 提取 nonce (最后 16 字节) 91 | state.nonce = data.slice(-16) 92 | 93 | // 解密数据 94 | const decrypted = await crypto.decrypt(data.slice(0, -16), state.nonce) 95 | if (decrypted === null) { 96 | console.error('[connect] decryption failed') 97 | server.close() 98 | return 99 | } 100 | 101 | state.stage = STAGE_CACHE 102 | 103 | // 解析地址和端口 104 | const addr = new TextDecoder().decode(decrypted.slice(0, -2)) 105 | const port = new DataView(decrypted.buffer, decrypted.byteOffset + decrypted.length - 2, 2).getUint16(0) 106 | 107 | console.log(`[connect] ${addr}:${port}`) 108 | 109 | try { 110 | // 在 Cloudflare Workers 中连接到远程主机 111 | state.remote = connect({ hostname: addr, port }) 112 | 113 | // 读取远程数据 114 | const reader = state.remote.readable.getReader() 115 | const writer = state.remote.writable.getWriter() 116 | 117 | // 发送缓存的数据 118 | for (const buf of state.cache) { 119 | await writer.write(buf) 120 | } 121 | state.cache = [] 122 | state.stage = STAGE_PIPE 123 | 124 | // 转发远程数据到 WebSocket 125 | ;(async () => { 126 | try { 127 | while (true) { 128 | const { done, value } = await reader.read() 129 | if (done) break 130 | 131 | const encrypted = await crypto.encrypt(value, state.nonce) 132 | server.send(encrypted) 133 | } 134 | } catch (error) { 135 | console.error('[remote] error:', error.message) 136 | } finally { 137 | server.close() 138 | } 139 | })() 140 | 141 | // 保存 writer 供后续使用 142 | state.writer = writer 143 | 144 | } catch (error) { 145 | console.error('[connect] error:', error.message) 146 | server.close() 147 | } 148 | } 149 | 150 | /** 151 | * 缓存阶段 - 缓存数据等待连接建立 152 | */ 153 | async function handleCache(state, data, crypto) { 154 | const decrypted = await crypto.decrypt(data, state.nonce) 155 | if (decrypted !== null) { 156 | state.cache.push(decrypted) 157 | } 158 | } 159 | 160 | /** 161 | * 转发阶段 - 直接转发数据 162 | */ 163 | async function handlePipe(state, data, crypto) { 164 | const decrypted = await crypto.decrypt(data, state.nonce) 165 | if (decrypted !== null && state.writer) { 166 | await state.writer.write(decrypted) 167 | } 168 | } 169 | 170 | /** 171 | * 主页处理 - 返回 404 模拟 nginx 172 | */ 173 | app.get('/', (c) => { 174 | return c.html( 175 | '404 Not Found

404 Not Found

nginx
', 176 | 404 177 | ) 178 | }) 179 | 180 | /** 181 | * WebSocket 路由 182 | */ 183 | app.get('/ws', async (c) => { 184 | return handleWebSocket(c.req.raw, c.env) 185 | }) 186 | 187 | export default app 188 | -------------------------------------------------------------------------------- /src/client.js: -------------------------------------------------------------------------------- 1 | /** 2 | * SOCKS5 客户端 - ESM 版本 3 | */ 4 | 5 | import net from 'net' 6 | import WebSocket from 'ws' 7 | import { config } from './utils/config.js' 8 | import { Crypto } from './utils/crypto.js' 9 | 10 | const STAGE_INIT = 0x00 11 | const STAGE_CONNECT = 0x01 12 | const STAGE_CACHE = 0x10 13 | const STAGE_PIPE = 0x11 14 | 15 | const SOCKS_VERSION = 0x05 16 | const NO_AUTH = 0x00 17 | 18 | const COMMAND_CONNECT = 0x01 19 | const COMMAND_BIND = 0x02 20 | const COMMAND_UDP = 0x03 21 | 22 | const RESERVED = 0x00 23 | 24 | const ATYP_IPV4 = 0x01 25 | const ATYP_DOMAIN = 0x03 26 | const ATYP_IPV6 = 0x04 27 | 28 | const REPLY_SUCCEEDED = 0x00 29 | const REPLY_COMMAND_NOT_SUPPORTED = 0x07 30 | const REPLY_ATYP_NOT_SUPPORTED = 0x08 31 | 32 | // 创建加密器 33 | const crypto = new Crypto(config.key, config.method) 34 | 35 | /** 36 | * 初始化阶段 37 | */ 38 | function stageInit(info) { 39 | const buf = Buffer.from([SOCKS_VERSION, NO_AUTH]) 40 | info.socket.write(buf) 41 | info.stage = STAGE_CONNECT 42 | } 43 | 44 | /** 45 | * 连接阶段 46 | */ 47 | function stageConnect(info, data) { 48 | const cmd = data[1] 49 | if (![COMMAND_CONNECT].includes(cmd)) { 50 | const buf = Buffer.from([SOCKS_VERSION, REPLY_COMMAND_NOT_SUPPORTED, RESERVED, ATYP_IPV4]) 51 | info.socket.end(buf) 52 | return 53 | } 54 | 55 | const atype = data[3] 56 | if (![ATYP_IPV4, ATYP_DOMAIN, ATYP_IPV6].includes(atype)) { 57 | const buf = Buffer.from([SOCKS_VERSION, REPLY_ATYP_NOT_SUPPORTED, RESERVED, ATYP_IPV4]) 58 | info.socket.end(buf) 59 | return 60 | } 61 | 62 | let addr, port 63 | if (atype === ATYP_IPV4) { 64 | addr = data.slice(4, 8).join('.') 65 | port = data.slice(8, 10) 66 | } else if (atype === ATYP_DOMAIN) { 67 | const len = data[4] 68 | addr = data.slice(5, 5 + len).toString() 69 | port = data.slice(5 + len, 5 + len + 2) 70 | } else if (atype === ATYP_IPV6) { 71 | addr = Array.from(data.slice(4, 20)) 72 | .map((b, i) => i % 2 === 0 ? b.toString(16).padStart(2, '0') : b.toString(16).padStart(2, '0')) 73 | .join('') 74 | .match(/.{1,4}/g) 75 | .join(':') 76 | port = data.slice(20, 22) 77 | } 78 | 79 | info.stage = STAGE_CACHE 80 | 81 | const buf = Buffer.from([SOCKS_VERSION, REPLY_SUCCEEDED, RESERVED, ATYP_IPV4, RESERVED, RESERVED, RESERVED, RESERVED]) 82 | const reply = Buffer.concat([buf, port]) 83 | info.socket.write(reply) 84 | 85 | // 建立 WebSocket 连接 86 | info.ws = new WebSocket(config.url) 87 | 88 | info.ws.on('open', () => { 89 | console.log('[ws] open') 90 | 91 | info.nonce = crypto.nonce() 92 | 93 | // 发送连接信息 94 | const addrBuf = Buffer.from(addr) 95 | const connectData = Buffer.concat([addrBuf, port]) 96 | const encrypted = crypto.encrypt(connectData, info.nonce) 97 | const message = Buffer.concat([encrypted, info.nonce]) 98 | info.ws.send(message) 99 | 100 | // 发送缓存的数据 101 | while (info.cache.length) { 102 | const cachedData = info.cache.shift() 103 | const encryptedData = crypto.encrypt(cachedData, info.nonce) 104 | info.ws.send(encryptedData) 105 | } 106 | 107 | info.stage = STAGE_PIPE 108 | info.heart = setInterval(() => { 109 | if (info.ws.readyState === WebSocket.OPEN) { 110 | info.ws.ping() 111 | } 112 | }, 30 * 1000) 113 | }) 114 | 115 | info.ws.on('message', (data) => { 116 | const decrypted = crypto.decrypt(data, info.nonce) 117 | if (decrypted !== null) { 118 | info.socket.write(decrypted) 119 | } 120 | }) 121 | 122 | info.ws.on('close', () => { 123 | console.log('[ws] closed') 124 | clearInterval(info.heart) 125 | info.socket.end() 126 | }) 127 | 128 | info.ws.on('error', (error) => { 129 | console.log('[ws] error:', error.message) 130 | info.socket.destroy() 131 | }) 132 | } 133 | 134 | /** 135 | * 缓存阶段 136 | */ 137 | function stageCache(info, data) { 138 | info.cache.push(data) 139 | } 140 | 141 | /** 142 | * 转发阶段 143 | */ 144 | function stagePipe(info, data) { 145 | const encrypted = crypto.encrypt(data, info.nonce) 146 | if (info.ws.readyState === WebSocket.OPEN) { 147 | info.ws.send(encrypted) 148 | } 149 | } 150 | 151 | /** 152 | * 处理客户端连接 153 | */ 154 | function handleClient(socket) { 155 | console.log('[client] connected') 156 | 157 | const info = { 158 | socket, 159 | nonce: null, 160 | ws: null, 161 | heart: null, 162 | stage: STAGE_INIT, 163 | cache: [] 164 | } 165 | 166 | socket.on('data', (data) => { 167 | switch (info.stage) { 168 | case STAGE_INIT: 169 | return stageInit(info, data) 170 | case STAGE_CONNECT: 171 | return stageConnect(info, data) 172 | case STAGE_CACHE: 173 | return stageCache(info, data) 174 | case STAGE_PIPE: 175 | return stagePipe(info, data) 176 | } 177 | }) 178 | 179 | socket.on('end', () => { 180 | console.log('[client] disconnected') 181 | if (info.ws) { 182 | info.ws.terminate() 183 | } 184 | }) 185 | 186 | socket.on('error', (error) => { 187 | console.log('[client] error:', error.message) 188 | info.socket.destroy() 189 | if (info.ws) { 190 | info.ws.terminate() 191 | } 192 | }) 193 | 194 | socket.setTimeout(config.timeout, () => { 195 | console.log('[client] timeout') 196 | info.socket.destroy() 197 | if (info.ws) { 198 | info.ws.terminate() 199 | } 200 | }) 201 | } 202 | 203 | /** 204 | * 启动 SOCKS5 服务器 205 | */ 206 | const server = net.createServer(handleClient) 207 | 208 | server.on('listening', () => { 209 | const info = server.address() 210 | console.log(`[server] listening at ${info.address}:${info.port}`) 211 | console.log(`[server] connecting to ${config.url}`) 212 | }) 213 | 214 | server.on('error', (error) => { 215 | console.log('[server] error:', error.message) 216 | }) 217 | 218 | server.listen(config.local_port, config.local_host) 219 | -------------------------------------------------------------------------------- /src/utils/crypto.js: -------------------------------------------------------------------------------- 1 | /** 2 | * 加密工具模块 - 支持 Cloudflare Workers 和 Node.js 3 | */ 4 | 5 | const ALGORITHM_KEYLEN = { 6 | 'aes-128-gcm': 16, 7 | 'aes-192-gcm': 24, 8 | 'aes-256-gcm': 32, 9 | 'none': 1, 10 | } 11 | 12 | const PBKDF2_ITERATIONS = 10000 13 | const PBKDF2_DIGEST = 'sha256' 14 | const PBKDF2_SALT = 'salt' 15 | 16 | const WEB_CRYPTO_AVAILABLE = typeof globalThis.crypto?.subtle?.importKey === 'function' 17 | 18 | let nodeCrypto = null 19 | 20 | if (!WEB_CRYPTO_AVAILABLE && typeof process !== 'undefined' && process.versions?.node) { 21 | try { 22 | nodeCrypto = await import('node:crypto') 23 | if (nodeCrypto?.default && !nodeCrypto.pbkdf2Sync) { 24 | nodeCrypto = nodeCrypto.default 25 | } 26 | } catch { 27 | nodeCrypto = null 28 | } 29 | } 30 | 31 | function getNodeCrypto() { 32 | if (!nodeCrypto) { 33 | throw new Error('Node.js crypto module is not available in this environment') 34 | } 35 | 36 | return nodeCrypto 37 | } 38 | 39 | async function deriveKeyWeb(password, algorithm) { 40 | if (algorithm === 'none') { 41 | return new Uint8Array(1) 42 | } 43 | 44 | const keylen = ALGORITHM_KEYLEN[algorithm] 45 | const encoder = new TextEncoder() 46 | const passwordBuffer = encoder.encode(password) 47 | const saltBuffer = encoder.encode(PBKDF2_SALT) 48 | 49 | const baseKey = await crypto.subtle.importKey( 50 | 'raw', 51 | passwordBuffer, 52 | { name: 'PBKDF2' }, 53 | false, 54 | ['deriveBits'] 55 | ) 56 | 57 | const derivedBits = await crypto.subtle.deriveBits( 58 | { 59 | name: 'PBKDF2', 60 | salt: saltBuffer, 61 | iterations: PBKDF2_ITERATIONS, 62 | hash: 'SHA-256' 63 | }, 64 | baseKey, 65 | keylen * 8 66 | ) 67 | 68 | return new Uint8Array(derivedBits) 69 | } 70 | 71 | function deriveKeyNode(password, algorithm) { 72 | if (algorithm === 'none') { 73 | return new Uint8Array(1) 74 | } 75 | 76 | const keylen = ALGORITHM_KEYLEN[algorithm] 77 | const { pbkdf2Sync } = getNodeCrypto() 78 | const keyBuffer = pbkdf2Sync(password, PBKDF2_SALT, PBKDF2_ITERATIONS, keylen, PBKDF2_DIGEST) 79 | return new Uint8Array(keyBuffer.buffer, keyBuffer.byteOffset, keyBuffer.byteLength) 80 | } 81 | 82 | function ensureUint8Array(data) { 83 | if (data instanceof Uint8Array) { 84 | return data 85 | } 86 | return new Uint8Array(data) 87 | } 88 | 89 | function ensureBuffer(data) { 90 | if (Buffer.isBuffer(data)) { 91 | return data 92 | } 93 | if (data instanceof Uint8Array) { 94 | return Buffer.from(data.buffer, data.byteOffset, data.byteLength) 95 | } 96 | return Buffer.from(data) 97 | } 98 | 99 | function encryptNode(algorithm, key, data, nonce) { 100 | if (algorithm === 'none') { 101 | return ensureBuffer(data) 102 | } 103 | 104 | const { createCipheriv } = getNodeCrypto() 105 | const keyBuffer = ensureBuffer(key) 106 | const iv = ensureBuffer(nonce) 107 | const dataBuffer = ensureBuffer(data) 108 | 109 | const cipher = createCipheriv(algorithm, keyBuffer, iv) 110 | const encrypted = Buffer.concat([cipher.update(dataBuffer), cipher.final()]) 111 | const tag = cipher.getAuthTag() 112 | return Buffer.concat([encrypted, tag]) 113 | } 114 | 115 | function decryptNode(algorithm, key, data, nonce) { 116 | if (algorithm === 'none') { 117 | return ensureBuffer(data) 118 | } 119 | 120 | try { 121 | const { createDecipheriv } = getNodeCrypto() 122 | const keyBuffer = ensureBuffer(key) 123 | const iv = ensureBuffer(nonce) 124 | const dataBuffer = ensureBuffer(data) 125 | 126 | const payload = dataBuffer.slice(0, -16) 127 | const tag = dataBuffer.slice(-16) 128 | const decipher = createDecipheriv(algorithm, keyBuffer, iv) 129 | decipher.setAuthTag(tag) 130 | const decrypted = Buffer.concat([decipher.update(payload), decipher.final()]) 131 | return decrypted 132 | } catch (error) { 133 | return null 134 | } 135 | } 136 | 137 | /** 138 | * 创建加密器类 139 | */ 140 | export class Crypto { 141 | constructor(password, algorithm) { 142 | this.password = password 143 | this.algorithm = algorithm 144 | this.isWebCrypto = WEB_CRYPTO_AVAILABLE 145 | 146 | if (this.isWebCrypto) { 147 | this.keyPromise = deriveKeyWeb(password, algorithm) 148 | } else { 149 | this.key = deriveKeyNode(password, algorithm) 150 | this.keyPromise = Promise.resolve(this.key) 151 | } 152 | } 153 | 154 | /** 155 | * 生成随机 nonce 156 | */ 157 | nonce() { 158 | if (this.isWebCrypto) { 159 | return crypto.getRandomValues(new Uint8Array(16)) 160 | } 161 | 162 | const { randomBytes } = getNodeCrypto() 163 | return randomBytes(16) 164 | } 165 | 166 | /** 167 | * 加密数据 168 | */ 169 | async encrypt(data, nonce) { 170 | if (this.algorithm === 'none') { 171 | return this.isWebCrypto ? ensureUint8Array(data) : ensureBuffer(data) 172 | } 173 | 174 | if (this.isWebCrypto) { 175 | const key = await this.keyPromise 176 | const cryptoKey = await crypto.subtle.importKey( 177 | 'raw', 178 | key, 179 | { name: 'AES-GCM' }, 180 | false, 181 | ['encrypt'] 182 | ) 183 | 184 | const dataBuffer = ensureUint8Array(data) 185 | const encrypted = await crypto.subtle.encrypt( 186 | { 187 | name: 'AES-GCM', 188 | iv: ensureUint8Array(nonce), 189 | tagLength: 128 190 | }, 191 | cryptoKey, 192 | dataBuffer 193 | ) 194 | 195 | return new Uint8Array(encrypted) 196 | } 197 | 198 | return encryptNode(this.algorithm, this.key, data, nonce) 199 | } 200 | 201 | /** 202 | * 解密数据 203 | */ 204 | async decrypt(data, nonce) { 205 | if (this.algorithm === 'none') { 206 | return this.isWebCrypto ? ensureUint8Array(data) : ensureBuffer(data) 207 | } 208 | 209 | if (this.isWebCrypto) { 210 | try { 211 | const key = await this.keyPromise 212 | const cryptoKey = await crypto.subtle.importKey( 213 | 'raw', 214 | key, 215 | { name: 'AES-GCM' }, 216 | false, 217 | ['decrypt'] 218 | ) 219 | 220 | const dataBuffer = ensureUint8Array(data) 221 | const decrypted = await crypto.subtle.decrypt( 222 | { 223 | name: 'AES-GCM', 224 | iv: ensureUint8Array(nonce), 225 | tagLength: 128 226 | }, 227 | cryptoKey, 228 | dataBuffer 229 | ) 230 | 231 | return new Uint8Array(decrypted) 232 | } catch (error) { 233 | return null 234 | } 235 | } 236 | 237 | return decryptNode(this.algorithm, this.key, data, nonce) 238 | } 239 | } 240 | -------------------------------------------------------------------------------- /pnpm-lock.yaml: -------------------------------------------------------------------------------- 1 | lockfileVersion: '9.0' 2 | 3 | settings: 4 | autoInstallPeers: true 5 | excludeLinksFromLockfile: false 6 | 7 | importers: 8 | 9 | .: 10 | dependencies: 11 | dotenv: 12 | specifier: ^16.4.5 13 | version: 16.6.1 14 | hono: 15 | specifier: ^4.6.14 16 | version: 4.10.3 17 | ws: 18 | specifier: ^8.18.0 19 | version: 8.18.3 20 | devDependencies: 21 | wrangler: 22 | specifier: ^4.42.0 23 | version: 4.42.0 24 | 25 | packages: 26 | 27 | '@cloudflare/kv-asset-handler@0.4.0': 28 | resolution: {integrity: 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Such new versions will 567 | be similar in spirit to the present version, but may differ in detail to 568 | address new problems or concerns. 569 | 570 | Each version is given a distinguishing version number. If the 571 | Program specifies that a certain numbered version of the GNU General 572 | Public License "or any later version" applies to it, you have the 573 | option of following the terms and conditions either of that numbered 574 | version or of any later version published by the Free Software 575 | Foundation. If the Program does not specify a version number of the 576 | GNU General Public License, you may choose any version ever published 577 | by the Free Software Foundation. 578 | 579 | If the Program specifies that a proxy can decide which future 580 | versions of the GNU General Public License can be used, that proxy's 581 | public statement of acceptance of a version permanently authorizes you 582 | to choose that version for the Program. 583 | 584 | Later license versions may give you additional or different 585 | permissions. However, no additional obligations are imposed on any 586 | author or copyright holder as a result of your choosing to follow a 587 | later version. 588 | 589 | 15. Disclaimer of Warranty. 590 | 591 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 592 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 593 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 594 | OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 595 | THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 596 | PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 597 | IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 598 | ALL NECESSARY SERVICING, REPAIR OR CORRECTION. 599 | 600 | 16. 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Interpretation of Sections 15 and 16. 613 | 614 | If the disclaimer of warranty and limitation of liability provided 615 | above cannot be given local legal effect according to their terms, 616 | reviewing courts shall apply local law that most closely approximates 617 | an absolute waiver of all civil liability in connection with the 618 | Program, unless a warranty or assumption of liability accompanies a 619 | copy of the Program in return for a fee. 620 | 621 | END OF TERMS AND CONDITIONS 622 | 623 | How to Apply These Terms to Your New Programs 624 | 625 | If you develop a new program, and you want it to be of the greatest 626 | possible use to the public, the best way to achieve this is to make it 627 | free software which everyone can redistribute and change under these terms. 628 | 629 | To do so, attach the following notices to the program. It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | --------------------------------------------------------------------------------