926 lines
35 KiB
JavaScript
926 lines
35 KiB
JavaScript
import express from "express";
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import {createEvent, getGitRevision} from "./utils.mjs";
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import YouProvider from "./provider.mjs";
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import localtunnel from "localtunnel";
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import ngrok from 'ngrok';
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import {v4 as uuidv4} from "uuid";
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import './proxyAgent.mjs';
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import {storeImage} from './imageStorage.mjs';
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import fetch from 'node-fetch';
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import path from 'path';
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import geoip from 'geoip-lite';
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import RequestLogger from './requestLogger.mjs';
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const app = express();
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const port = process.env.PORT || 8080;
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const validApiKey = process.env.PASSWORD;
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const availableModels = [
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"openai_o3_mini_high",
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"openai_o3_mini_medium",
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"openai_o1",
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"openai_o1_preview",
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"gpt_4_5_preview",
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"gpt_4o",
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"gpt_4_turbo",
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"gpt_4",
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"claude_3_7_sonnet",
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"claude_3_7_sonnet_thinking",
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"claude_3_5_sonnet",
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"claude_3_opus",
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"claude_3_sonnet",
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"claude_3_haiku",
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"claude_2",
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"llama3",
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"gemini_pro",
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"gemini_1_5_pro",
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"gemini_1_5_flash",
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"databricks_dbrx_instruct",
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"command_r",
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"command_r_plus",
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"zephyr",
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"qwen2p5_72b",
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"llama3_1_405b",
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"grok_2",
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"deepseek_r1",
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"deepseek_v3"
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];
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const modelMappping = {
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"claude-3-7-sonnet-latest": "claude_3_7_sonnet",
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"claude-3-7-sonnet-20250219": "claude_3_7_sonnet",
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"claude-3-5-sonnet-latest": "claude_3_5_sonnet",
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"claude-3-5-sonnet-20241022": "claude_3_5_sonnet",
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"claude-3-5-sonnet-20240620": "claude_3_5_sonnet",
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"claude-3-20240229": "claude_3_opus",
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"claude-3-opus-20240229": "claude_3_opus",
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"claude-3-sonnet-20240229": "claude_3_sonnet",
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"claude-3-haiku-20240307": "claude_3_haiku",
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"claude-2.1": "claude_2",
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"claude-2.0": "openai_o1",
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"gpt-4": "gpt_4",
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"gpt-4o": "gpt_4o",
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"gpt-4-turbo": "gpt_4_turbo",
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"openai-o1": "openai_o1",
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"o1-preview": "openai_o1",
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};
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// import config.mjs
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let config;
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try {
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const configModule = await import("./config.mjs");
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config = configModule.config;
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} catch (e) {
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console.error(e);
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console.error("config.mjs 不存在或者有错误，请检查");
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process.exit(1);
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}
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const provider = new YouProvider(config);
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await provider.init(config);
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// 初始化 SessionManager
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const sessionManager = provider.getSessionManager();
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// 初始化 RequestLogger
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const requestLogger = new RequestLogger();
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// handle preflight request
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app.use((req, res, next) => {
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if (req.method === "OPTIONS") {
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res.setHeader("Access-Control-Allow-Origin", "*");
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res.setHeader("Access-Control-Allow-Methods", "*");
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res.setHeader("Access-Control-Allow-Headers", "*");
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res.setHeader("Access-Control-Max-Age", "86400");
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res.status(200).end();
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} else {
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next();
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}
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});
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// openai format model request
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app.get("/v1/models", OpenAIApiKeyAuth, (req, res) => {
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res.setHeader("Content-Type", "application/json");
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res.setHeader("Access-Control-Allow-Origin", "*");
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const models = availableModels.map((model) => {
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return {
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id: model,
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object: "model",
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created: 1700000000,
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owned_by: "closeai",
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name: model,
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};
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});
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res.json({object: "list", data: models});
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});
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// handle openai format model request
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app.post("/v1/chat/completions", OpenAIApiKeyAuth, (req, res) => {
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// 用于存储请求体
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req.rawBody = "";
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req.setEncoding("utf8");
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clientState.setClosed(false);
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// 接收数据
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req.on("data", function (chunk) {
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req.rawBody += chunk;
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});
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// 数据接收完毕后处理请求
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req.on("end", async () => {
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console.log("处理 OpenAI 格式的请求");
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res.setHeader("Content-Type", "text/event-stream;charset=utf-8");
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res.setHeader("Access-Control-Allow-Origin", "*");
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let jsonBody;
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try {
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jsonBody = JSON.parse(req.rawBody);
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} catch (error) {
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res.status(400).json({error: {code: 400, message: "Invalid JSON"}});
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return;
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}
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// 规范化消息
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jsonBody.messages = await openaiNormalizeMessages(jsonBody.messages);
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console.log("message length: " + jsonBody.messages.length);
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// 尝试映射模型
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if (jsonBody.model && modelMappping[jsonBody.model]) {
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jsonBody.model = modelMappping[jsonBody.model];
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}
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if (jsonBody.model && !availableModels.includes(jsonBody.model)) {
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res.json({error: {code: 404, message: "Invalid Model"}});
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return;
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}
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console.log("Using model " + jsonBody.model);
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let selectedSession;
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let releaseSessionCalled = false;
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let completion;
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let cancel;
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let selectedBrowserId;
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// 定义释放会话
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const releaseSession = () => {
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if (selectedSession && selectedBrowserId && !releaseSessionCalled) {
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sessionManager.releaseSession(selectedSession, selectedBrowserId);
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console.log(`释放会话 ${selectedSession} 和浏览器实例 ${selectedBrowserId}`);
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releaseSessionCalled = true;
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}
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};
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// 监听客户端关闭事件
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res.on("close", () => {
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console.log(" > [Client closed]");
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clientState.setClosed(true);
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if (completion) {
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completion.removeAllListeners();
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}
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if (cancel) {
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cancel();
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}
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releaseSession();
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});
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try {
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// 获取客户端 IP
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const clientIpAddress = req.headers["x-forwarded-for"] || req.socket.remoteAddress;
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const geo = geoip.lookup(clientIpAddress) || {};
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const locationInfo = `${geo.country || 'Unknown'}-${geo.region || 'Unknown'}-${geo.city || 'Unknown'}`;
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const requestTime = new Date();
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// 获取并锁定可用会话和浏览器实例
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const {
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selectedUsername,
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modeSwitched,
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browserInstance
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} = await sessionManager.getSessionByStrategy('round_robin');
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selectedSession = selectedUsername;
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selectedBrowserId = browserInstance.id;
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console.log("Using session " + selectedSession);
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// 记录请求信息
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await requestLogger.logRequest({
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time: requestTime,
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ip: clientIpAddress,
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location: locationInfo,
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model: jsonBody.model,
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session: selectedSession
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});
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({completion, cancel} = await provider.getCompletion({
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username: selectedSession,
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messages: jsonBody.messages,
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browserInstance: browserInstance,
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stream: !!jsonBody.stream,
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proxyModel: jsonBody.model,
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useCustomMode: process.env.USE_CUSTOM_MODE === "true",
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modeSwitched: modeSwitched // 传递模式切换标志
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}));
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// 监听开始事件
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completion.on("start", (id) => {
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if (jsonBody.stream) {
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// 发送消息开始
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res.write(createEvent(":", "queue heartbeat 114514"));
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res.write(
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createEvent("data", {
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id: id,
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object: "chat.completion.chunk",
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created: Math.floor(new Date().getTime() / 1000),
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model: jsonBody.model,
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system_fingerprint: "114514",
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choices: [{
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index: 0,
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delta: {role: "assistant", content: ""},
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logprobs: null,
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finish_reason: null
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}],
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})
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);
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}
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});
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// 监听完成事件
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completion.on("completion", (id, text) => {
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if (jsonBody.stream) {
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// 发送消息增量
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res.write(
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createEvent("data", {
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choices: [
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{
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content_filter_results: {
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hate: {filtered: false, severity: "safe"},
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self_harm: {filtered: false, severity: "safe"},
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sexual: {filtered: false, severity: "safe"},
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violence: {filtered: false, severity: "safe"},
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},
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delta: {content: text},
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finish_reason: null,
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index: 0,
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},
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],
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created: Math.floor(new Date().getTime() / 1000),
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id: id,
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model: jsonBody.model,
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object: "chat.completion.chunk",
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system_fingerprint: "114514",
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})
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);
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} else {
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// 只发送一次，发送最终响应
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res.write(
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JSON.stringify({
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id: id,
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object: "chat.completion",
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created: Math.floor(new Date().getTime() / 1000),
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model: jsonBody.model,
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system_fingerprint: "114514",
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choices: [
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{
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index: 0,
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message: {
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role: "assistant",
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content: text,
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},
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logprobs: null,
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finish_reason: "stop",
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},
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],
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usage: {
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prompt_tokens: 1,
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completion_tokens: 1,
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total_tokens: 1,
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},
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})
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);
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res.end();
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releaseSession();
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}
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});
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// 监听结束事件
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completion.on("end", () => {
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if (jsonBody.stream) {
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res.write(createEvent("data", "[DONE]"));
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res.end();
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}
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releaseSession();
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});
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// 监听错误事件
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completion.on("error", (err) => {
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console.error("Completion error:", err);
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const errorMessage = "Error occurred: " + (err.message || "Unknown error");
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if (!res.headersSent) {
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if (jsonBody.stream) {
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res.write(
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createEvent("data", {
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choices: [
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{
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content_filter_results: {
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hate: {filtered: false, severity: "safe"},
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self_harm: {filtered: false, severity: "safe"},
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sexual: {filtered: false, severity: "safe"},
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violence: {filtered: false, severity: "safe"},
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},
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delta: {content: errorMessage},
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finish_reason: null,
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index: 0,
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},
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],
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created: Math.floor(new Date().getTime() / 1000),
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id: uuidv4(),
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model: jsonBody.model,
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object: "chat.completion.chunk",
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system_fingerprint: "114514",
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})
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);
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res.write(createEvent("data", "[DONE]"));
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res.end();
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} else {
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res.write(
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JSON.stringify({
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id: uuidv4(),
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object: "chat.completion",
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created: Math.floor(new Date().getTime() / 1000),
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model: jsonBody.model,
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system_fingerprint: "114514",
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choices: [
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{
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index: 0,
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message: {
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role: "assistant",
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content: errorMessage,
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},
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logprobs: null,
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finish_reason: "stop",
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},
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],
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usage: {
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prompt_tokens: 1,
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completion_tokens: 1,
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total_tokens: 1,
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},
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})
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);
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res.end();
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}
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}
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releaseSession();
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});
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} catch (error) {
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console.error("Request error:", error);
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releaseSession();
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const errorMessage = "Error occurred, please check the log.\n\n出现错误，请检查日志：<pre>" + (error.stack || error) + "</pre>";
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if (!res.headersSent) {
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if (jsonBody.stream) {
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res.write(
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createEvent("data", {
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choices: [
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{
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content_filter_results: {
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hate: {filtered: false, severity: "safe"},
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|
self_harm: {filtered: false, severity: "safe"},
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|
sexual: {filtered: false, severity: "safe"},
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|
violence: {filtered: false, severity: "safe"},
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},
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delta: {content: errorMessage},
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finish_reason: null,
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index: 0,
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},
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],
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created: Math.floor(new Date().getTime() / 1000),
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id: uuidv4(),
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model: jsonBody.model,
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object: "chat.completion.chunk",
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system_fingerprint: "114514",
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})
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);
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res.write(createEvent("data", "[DONE]"));
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res.end();
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} else {
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res.write(
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JSON.stringify({
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id: uuidv4(),
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object: "chat.completion",
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created: Math.floor(new Date().getTime() / 1000),
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|
model: jsonBody.model,
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|
system_fingerprint: "114514",
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|
choices: [
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{
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|
index: 0,
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message: {
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role: "assistant",
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content: errorMessage,
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},
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|
logprobs: null,
|
|
finish_reason: "stop",
|
|
},
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|
],
|
|
usage: {
|
|
prompt_tokens: 1,
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|
completion_tokens: 1,
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|
total_tokens: 1,
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},
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})
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);
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res.end();
|
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}
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}
|
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}
|
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});
|
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});
|
|
|
|
// Helper function: Normalize messages
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async function openaiNormalizeMessages(messages) {
|
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let normalizedMessages = [];
|
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let currentSystemMessage = "";
|
|
|
|
for (let message of messages) {
|
|
if (message.role === 'system') {
|
|
if (currentSystemMessage) {
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|
currentSystemMessage += "\n" + message.content;
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|
} else {
|
|
currentSystemMessage = message.content;
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}
|
|
} else {
|
|
if (currentSystemMessage) {
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normalizedMessages.push({role: 'system', content: currentSystemMessage});
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currentSystemMessage = "";
|
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}
|
|
|
|
// 检查消息内容
|
|
if (Array.isArray(message.content)) {
|
|
const textContent = message.content
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.filter(item => item.type === 'text')
|
|
.map(item => item.text)
|
|
.join('\n');
|
|
|
|
// 处理图片内容，存储图片
|
|
for (const item of message.content) {
|
|
if (item.type === 'image_url' && item.image_url?.url) {
|
|
// 获取媒体类型
|
|
const mediaType = await getMediaTypeFromUrl(item.image_url.url);
|
|
// 获取图片 base64
|
|
const base64Data = await fetchImageAsBase64(item.image_url.url);
|
|
if (base64Data) {
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|
const {imageId} = storeImage(base64Data, mediaType);
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console.log(`Image stored with ID: ${imageId}, Media Type: ${mediaType}`);
|
|
} else {
|
|
console.warn('Failed to store image due to missing data.');
|
|
}
|
|
}
|
|
}
|
|
|
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normalizedMessages.push({role: message.role, content: textContent});
|
|
} else if (typeof message.content === 'string') {
|
|
normalizedMessages.push(message);
|
|
} else {
|
|
console.warn('未知的消息内容格式:', message.content);
|
|
normalizedMessages.push(message);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (currentSystemMessage) {
|
|
normalizedMessages.push({role: 'system', content: currentSystemMessage});
|
|
}
|
|
|
|
return normalizedMessages;
|
|
}
|
|
|
|
// 图片 URL 获取媒体类型
|
|
async function getMediaTypeFromUrl(url) {
|
|
try {
|
|
const response = await fetch(url, {method: 'HEAD'});
|
|
const contentType = response.headers.get('content-type');
|
|
return contentType || guessMediaTypeFromUrl(url);
|
|
} catch (error) {
|
|
console.warn('无法获取媒体类型，尝试根据 URL 推断', error);
|
|
return guessMediaTypeFromUrl(url);
|
|
}
|
|
}
|
|
|
|
function guessMediaTypeFromUrl(url) {
|
|
const ext = path.extname(url).toLowerCase();
|
|
switch (ext) {
|
|
case '.jpg':
|
|
case '.jpeg':
|
|
return 'image/jpeg';
|
|
case '.png':
|
|
return 'image/png';
|
|
case '.gif':
|
|
return 'image/gif';
|
|
default:
|
|
return 'application/octet-stream';
|
|
}
|
|
}
|
|
|
|
// 图片 URL 获取 base64
|
|
async function fetchImageAsBase64(url) {
|
|
try {
|
|
const response = await fetch(url);
|
|
const arrayBuffer = await response.arrayBuffer();
|
|
const buffer = Buffer.from(arrayBuffer);
|
|
return buffer.toString('base64');
|
|
} catch (error) {
|
|
console.error('Failed to fetch image data:', error);
|
|
return null;
|
|
}
|
|
}
|
|
|
|
|
|
// handle anthropic format model request
|
|
app.post("/v1/messages", AnthropicApiKeyAuth, (req, res) => {
|
|
req.rawBody = "";
|
|
req.setEncoding("utf8");
|
|
clientState.setClosed(false);
|
|
|
|
req.on("data", function (chunk) {
|
|
req.rawBody += chunk;
|
|
});
|
|
|
|
req.on("end", async () => {
|
|
console.log("处理 Anthropic 格式的请求");
|
|
res.setHeader("Content-Type", "text/event-stream;charset=utf-8");
|
|
res.setHeader("Access-Control-Allow-Origin", "*");
|
|
let jsonBody;
|
|
|
|
try {
|
|
jsonBody = JSON.parse(req.rawBody);
|
|
} catch (error) {
|
|
res.status(400).json({error: {code: 400, message: "Invalid JSON"}});
|
|
return;
|
|
}
|
|
|
|
// 处理消息格式
|
|
jsonBody.messages = anthropicNormalizeMessages(jsonBody.messages);
|
|
|
|
if (jsonBody.system) {
|
|
// 把系统消息加入 messages 的首条
|
|
jsonBody.messages.unshift({role: "system", content: jsonBody.system});
|
|
}
|
|
console.log("message length:" + jsonBody.messages.length);
|
|
|
|
// decide which model to use
|
|
let proxyModel;
|
|
if (process.env.AI_MODEL) {
|
|
proxyModel = process.env.AI_MODEL;
|
|
} else if (jsonBody.model && modelMappping[jsonBody.model]) {
|
|
proxyModel = modelMappping[jsonBody.model];
|
|
} else if (jsonBody.model) {
|
|
proxyModel = jsonBody.model;
|
|
} else {
|
|
proxyModel = "claude_3_opus";
|
|
}
|
|
console.log(`Using model ${proxyModel}`);
|
|
|
|
if (proxyModel && !availableModels.includes(proxyModel)) {
|
|
res.json({error: {code: 404, message: "Invalid Model"}});
|
|
return;
|
|
}
|
|
|
|
let selectedSession;
|
|
let releaseSessionCalled = false;
|
|
let completion;
|
|
let cancel;
|
|
let selectedBrowserId;
|
|
// 定义释放会话
|
|
const releaseSession = () => {
|
|
if (selectedSession && selectedBrowserId && !releaseSessionCalled) {
|
|
sessionManager.releaseSession(selectedSession, selectedBrowserId);
|
|
console.log(`释放会话 ${selectedSession} 和浏览器实例 ${selectedBrowserId}`);
|
|
releaseSessionCalled = true;
|
|
}
|
|
};
|
|
|
|
// 监听客户端关闭事件
|
|
res.on("close", () => {
|
|
console.log(" > [Client closed]");
|
|
clientState.setClosed(true);
|
|
if (completion) {
|
|
completion.removeAllListeners();
|
|
}
|
|
if (cancel) {
|
|
cancel();
|
|
}
|
|
releaseSession();
|
|
});
|
|
|
|
try {
|
|
// 获取客户端 IP
|
|
const clientIpAddress = req.headers["x-forwarded-for"] || req.socket.remoteAddress;
|
|
const geo = geoip.lookup(clientIpAddress) || {};
|
|
const locationInfo = `${geo.country || 'Unknown'}-${geo.region || 'Unknown'}-${geo.city || 'Unknown'}`;
|
|
const requestTime = new Date();
|
|
|
|
// 获取并锁定可用会话和浏览器实例
|
|
const {
|
|
selectedUsername,
|
|
modeSwitched,
|
|
browserInstance
|
|
} = await sessionManager.getSessionByStrategy('round_robin');
|
|
selectedSession = selectedUsername;
|
|
selectedBrowserId = browserInstance.id;
|
|
console.log("Using session " + selectedSession);
|
|
|
|
// 记录请求信息
|
|
await requestLogger.logRequest({
|
|
time: requestTime,
|
|
ip: clientIpAddress,
|
|
location: locationInfo,
|
|
model: jsonBody.model,
|
|
session: selectedSession
|
|
});
|
|
|
|
({completion, cancel} = await provider.getCompletion({
|
|
username: selectedSession,
|
|
messages: jsonBody.messages,
|
|
browserInstance: browserInstance,
|
|
stream: !!jsonBody.stream,
|
|
proxyModel: proxyModel,
|
|
useCustomMode: process.env.USE_CUSTOM_MODE === "true",
|
|
modeSwitched: modeSwitched // 传递模式切换标志
|
|
}));
|
|
|
|
// 监听开始事件
|
|
completion.on("start", (id) => {
|
|
if (jsonBody.stream) {
|
|
// send message start
|
|
res.write(createEvent("message_start", {
|
|
type: "message_start",
|
|
message: {
|
|
id: `${id}`,
|
|
type: "message",
|
|
role: "assistant",
|
|
content: [],
|
|
model: proxyModel,
|
|
stop_reason: null,
|
|
stop_sequence: null,
|
|
usage: {input_tokens: 8, output_tokens: 1},
|
|
},
|
|
}));
|
|
res.write(createEvent("content_block_start", {
|
|
type: "content_block_start",
|
|
index: 0,
|
|
content_block: {type: "text", text: ""}
|
|
}));
|
|
res.write(createEvent("ping", {type: "ping"}));
|
|
}
|
|
});
|
|
|
|
// 监听完成事件
|
|
completion.on("completion", (id, text) => {
|
|
if (jsonBody.stream) {
|
|
// send message delta
|
|
res.write(createEvent("content_block_delta", {
|
|
type: "content_block_delta",
|
|
index: 0,
|
|
delta: {type: "text_delta", text: text},
|
|
}));
|
|
} else {
|
|
// 只会发一次，发送final response
|
|
res.write(JSON.stringify({
|
|
id: id,
|
|
content: [
|
|
{text: text},
|
|
{id: "string", name: "string", input: {}},
|
|
],
|
|
model: proxyModel,
|
|
stop_reason: "end_turn",
|
|
stop_sequence: null,
|
|
usage: {input_tokens: 0, output_tokens: 0},
|
|
}));
|
|
res.end();
|
|
releaseSession();
|
|
}
|
|
});
|
|
|
|
// 监听结束事件
|
|
completion.on("end", () => {
|
|
if (jsonBody.stream) {
|
|
res.write(createEvent("content_block_stop", {type: "content_block_stop", index: 0}));
|
|
res.write(createEvent("message_delta", {
|
|
type: "message_delta",
|
|
delta: {stop_reason: "end_turn", stop_sequence: null},
|
|
usage: {output_tokens: 12},
|
|
}));
|
|
res.write(createEvent("message_stop", {type: "message_stop"}));
|
|
res.end();
|
|
}
|
|
releaseSession();
|
|
});
|
|
|
|
// 监听错误事件
|
|
completion.on("error", (err) => {
|
|
console.error("Completion error:", err);
|
|
// 向客户端返回错误信息
|
|
const errorMessage = "Error occurred: " + (err.message || "Unknown error");
|
|
if (!res.headersSent) {
|
|
if (jsonBody.stream) {
|
|
res.write(createEvent("content_block_delta", {
|
|
type: "content_block_delta",
|
|
index: 0,
|
|
delta: {type: "text_delta", text: errorMessage},
|
|
}));
|
|
res.end();
|
|
} else {
|
|
res.write(JSON.stringify({
|
|
id: uuidv4(),
|
|
content: [{text: errorMessage}, {id: "string", name: "string", input: {}}],
|
|
model: proxyModel,
|
|
stop_reason: "error",
|
|
stop_sequence: null,
|
|
usage: {input_tokens: 0, output_tokens: 0},
|
|
}));
|
|
res.end();
|
|
}
|
|
}
|
|
releaseSession();
|
|
});
|
|
|
|
} catch (error) {
|
|
console.error("Request error:", error);
|
|
releaseSession();
|
|
|
|
const errorMessage = "Error occurred, please check the log.\n\n出现错误，请检查日志：<pre>" + (error.stack || error) + "</pre>";
|
|
if (!res.headersSent) {
|
|
if (jsonBody.stream) {
|
|
res.write(createEvent("content_block_delta", {
|
|
type: "content_block_delta",
|
|
index: 0,
|
|
delta: {type: "text_delta", text: errorMessage},
|
|
}));
|
|
res.end();
|
|
} else {
|
|
res.write(JSON.stringify({
|
|
id: uuidv4(),
|
|
content: [{text: errorMessage}, {id: "string", name: "string", input: {}}],
|
|
model: proxyModel,
|
|
stop_reason: "error",
|
|
stop_sequence: null,
|
|
usage: {input_tokens: 0, output_tokens: 0},
|
|
}));
|
|
res.end();
|
|
}
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
// 辅助函数：规范化消息格式
|
|
function anthropicNormalizeMessages(messages) {
|
|
return messages.map(message => {
|
|
if (typeof message.content === 'string') {
|
|
return message;
|
|
} else if (Array.isArray(message.content)) {
|
|
// 提取文本内容
|
|
const textContent = message.content
|
|
.filter(item => item.type === 'text')
|
|
.map(item => item.text)
|
|
.join('\n');
|
|
|
|
// 处理图片内容，存储图片
|
|
message.content.forEach(item => {
|
|
if (item.type === 'image' && item.source?.type === 'base64') {
|
|
const {imageId, mediaType} = storeImage(item.source.data, item.source.media_type);
|
|
console.log(`Image stored with ID: ${imageId}, Media Type: ${mediaType}`);
|
|
}
|
|
});
|
|
|
|
return {...message, content: textContent};
|
|
} else {
|
|
console.warn('Unknown message format:', message);
|
|
return message; // 未知格式，返回原始消息
|
|
}
|
|
});
|
|
}
|
|
|
|
|
|
// handle other
|
|
app.use((req, res, next) => {
|
|
const {revision, branch} = getGitRevision();
|
|
res.status(404).send("Not Found (YouChat_Proxy " + revision + "@" + branch + ")");
|
|
console.log("收到了错误路径的请求，请检查您使用的API端点是否正确。")
|
|
});
|
|
|
|
const createLocaltunnel = async (port, subdomain) => {
|
|
const tunnelOptions = {port};
|
|
if (subdomain) {
|
|
tunnelOptions.subdomain = subdomain;
|
|
}
|
|
|
|
try {
|
|
const tunnel = await localtunnel(tunnelOptions);
|
|
console.log(`隧道已成功创建，可通过以下URL访问: ${tunnel.url}/v1`);
|
|
tunnel.on("close", () => console.log("已关闭隧道"));
|
|
return tunnel;
|
|
} catch (error) {
|
|
console.error("创建localtunnel隧道失败:", error);
|
|
}
|
|
};
|
|
|
|
/*
|
|
* 创建ngrok隧道
|
|
* @param {number} port - 本地端口
|
|
* @param {string} authToken - ngrok的认证token
|
|
* @param {string} customDomain - 自定义域名
|
|
* @param {string} subdomain - 子域名
|
|
*/
|
|
const createNgrok = async (port, authToken, customDomain, subdomain) => {
|
|
const ngrokOptions = {addr: port, authtoken: authToken};
|
|
|
|
if (customDomain) {
|
|
ngrokOptions.hostname = customDomain;
|
|
} else if (subdomain) {
|
|
ngrokOptions.subdomain = subdomain;
|
|
}
|
|
|
|
const originalHttpProxy = process.env.HTTP_PROXY;
|
|
const originalHttpsProxy = process.env.HTTPS_PROXY;
|
|
delete process.env.HTTP_PROXY;
|
|
delete process.env.HTTPS_PROXY;
|
|
|
|
try {
|
|
const url = await ngrok.connect(ngrokOptions);
|
|
console.log(`隧道已成功创建，可通过以下URL访问: ${url}/v1`);
|
|
process.on('SIGTERM', async () => {
|
|
await ngrok.kill();
|
|
console.log("已关闭隧道");
|
|
});
|
|
return url;
|
|
} catch (error) {
|
|
console.error("创建ngrok隧道失败:", error);
|
|
} finally {
|
|
if (originalHttpProxy) process.env.HTTP_PROXY = originalHttpProxy;
|
|
if (originalHttpsProxy) process.env.HTTPS_PROXY = originalHttpsProxy;
|
|
}
|
|
};
|
|
|
|
const createTunnel = async (tunnelType, port) => {
|
|
console.log(`创建${tunnelType}隧道中...`);
|
|
if (tunnelType === "localtunnel") {
|
|
return createLocaltunnel(port, process.env.SUBDOMAIN);
|
|
} else if (tunnelType === "ngrok") {
|
|
return createNgrok(port, process.env.NGROK_AUTH_TOKEN, process.env.NGROK_CUSTOM_DOMAIN, process.env.NGROK_SUBDOMAIN);
|
|
}
|
|
};
|
|
|
|
app.listen(port, async () => {
|
|
// 输出当前月份的请求统计信息
|
|
provider.getLogger().printStatistics();
|
|
console.log(`YouChat proxy listening on port ${port}`);
|
|
if (!validApiKey) {
|
|
console.log(`Proxy is currently running with no authentication`);
|
|
}
|
|
console.log(`Custom mode: ${process.env.USE_CUSTOM_MODE === "true" ? "enabled" : "disabled"}`);
|
|
console.log(`Mode rotation: ${process.env.ENABLE_MODE_ROTATION === "true" ? "enabled" : "disabled"}`);
|
|
|
|
if (process.env.ENABLE_TUNNEL === "true") {
|
|
const tunnelType = process.env.TUNNEL_TYPE || "localtunnel";
|
|
await createTunnel(tunnelType, port);
|
|
}
|
|
});
|
|
|
|
function AnthropicApiKeyAuth(req, res, next) {
|
|
const reqApiKey = req.header("x-api-key");
|
|
|
|
if (validApiKey && reqApiKey !== validApiKey) {
|
|
// If Environment variable PASSWORD is set AND x-api-key header is not equal to it, return 401
|
|
const clientIpAddress = req.headers["x-forwarded-for"] || req.ip;
|
|
console.log(`Receviced Request from IP ${clientIpAddress} but got invalid password.`);
|
|
return res.status(401).json({error: "Invalid Password"});
|
|
}
|
|
|
|
next();
|
|
}
|
|
|
|
function OpenAIApiKeyAuth(req, res, next) {
|
|
const reqApiKey = req.header("Authorization");
|
|
|
|
if (validApiKey && reqApiKey !== "Bearer " + validApiKey) {
|
|
// If Environment variable PASSWORD is set AND Authorization header is not equal to it, return 401
|
|
const clientIpAddress = req.headers["x-forwarded-for"] || req.ip;
|
|
console.log(`Receviced Request from IP ${clientIpAddress} but got invalid password.`);
|
|
return res.status(401).json({error: {code: 403, message: "Invalid Password"}});
|
|
}
|
|
|
|
next();
|
|
}
|
|
|
|
// Path: utils.mjs
|
|
class ClientState {
|
|
#closed = false;
|
|
|
|
setClosed(value) {
|
|
this.#closed = Boolean(value);
|
|
}
|
|
|
|
isClosed() {
|
|
return this.#closed;
|
|
}
|
|
}
|
|
|
|
export const clientState = new ClientState();
|