140 lines
4.5 KiB
TypeScript
140 lines
4.5 KiB
TypeScript
import express from 'express';
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import type { Request, Response, NextFunction } from 'express';
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import fs from 'fs';
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import path from 'path';
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import cors from "cors";
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import multer from "multer";
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import * as douyin from './douyin'
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import { sendMediaMsg, sendMsg } from './lib/qq';
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import * as llm from './llm'
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import { testNetwork } from './lib/network';
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const app = express();
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const PORT = process.env.PORT || 6100;
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const __dirname = path.dirname(new URL(import.meta.url).pathname);
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app.use(cors());
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// 仅解析明确类型；不要用 '*/*'
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app.use(express.json({ limit: '10mb', type: ['application/json'] }));
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app.use(express.urlencoded({ extended: true, limit: '10mb', type: ['application/x-www-form-urlencoded'] }));
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// QQ机器人回显功能
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app.post('/', async (req: Request, res: Response) => {
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// 检查是否是消息类型的请求
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if (!req.body || req.body.post_type != 'message') return
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const msgData = req.body as MessagePayload
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const text = msgData.message.filter(m => m.type === 'text').map(m => m.data.text).join("\n").trim();
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const target_id = String(msgData.target_id);
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console.log(`\n[QQ机器人] 收到消息:`);
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// console.log(JSON.stringify(req.body, null, 0));
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console.log(`消息内容: ${msgData.raw_message}`);
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// Match Douyin URL
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// Like: https://v.douyin.com/YqgJL_phY_k/
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const douyinUrlPattern = /https?:\/\/v\.douyin\.com\/[a-zA-Z0-9_-]+/;
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const douyinMatch = text.match(douyinUrlPattern);
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try {
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// 如果检测到抖音链接，调用解析API
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if (douyinMatch) {
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const douyinUrl = douyinMatch[0];
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console.log(`[抖音链接检测] 发现抖音链接: ${douyinUrl}`);
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sendMsg(`[抖音链接检测] 发现抖音链接: ${douyinUrl}，启动 Chromium 中...`, target_id);
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douyin.downloadDouyinMedia(douyinUrl, target_id);
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return
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}
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if (text.startsWith('/reset')) {
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llm.resetChat(target_id)
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return
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}
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// 使用 LLM 回答
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llm.chat(msgData.message, target_id);
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} catch (error) {
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console.error(`[错误] 处理消息时发生错误:`, error);
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sendMsg(String(error), target_id);
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}
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});
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function sanitizeDirname(input: string) {
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// 基础清洗：去除路径分隔符、控制字符，并截断长度（防止奇怪标题）
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const s = (input || "default")
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.trim()
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.replace(/[\\/]+/g, "_")
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.replace(/[<>:"|?*\u0000-\u001F]/g, "_")
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.slice(0, 32) || "default";
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return s;
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}
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const storage = multer.diskStorage({
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destination: (req, _file, cb) => {
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const title = sanitizeDirname(req.query.title as string);
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const baseDir = process.env.DOWNLOAD_DIR || path.join(__dirname, "downloads");
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const dest = req.query.type == 'image' ? path.join(baseDir, title) : baseDir;
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fs.mkdir(dest, { recursive: true }, (err) => cb(err, dest));
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}, filename: (req, file, cb) => {
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const ext = path.extname(file.originalname || "");
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const title = sanitizeDirname(req.query.title as string);
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cb(null, `${title}_${Date.now()}_${Math.random().toString(36).slice(2)}${ext}`);
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},
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});
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const upload = multer({
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storage,
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limits: { fileSize: 1024 * 1024 * 1024, fields: 50, files: 50 },
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fileFilter: (_req, file, cb) => {
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if (/^file_\d+$/i.test(file.fieldname)) cb(null, true);
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else cb(new Error(`Unexpected file field: ${file.fieldname}`));
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}
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});
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app.post("/upload", upload.any(), (req, res) => {
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const files = (req.files as Express.Multer.File[]) || [];
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const accepted = files.filter(f => /^file_\d+$/i.test(f.fieldname));
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let meta = {
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title: req.body.title,
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type: req.query.type as 'video' | 'image',
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target_id: req.query.target_id
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};
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console.log(`收到上传: ${accepted.length} 个文件`, files.map(f => f.path));
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if (meta.target_id) {
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const totalSize = accepted.reduce((sum, f) => sum + f.size, 0);
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sendMsg(`[抖音下载] ${meta.title}，已下载 ${accepted.length} 个文件，类型 ${meta.type}，共 ${(totalSize / 1024 / 1024).toFixed(2)} MB，上传中...`, meta.target_id as string);
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accepted.forEach(f => {
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sendMediaMsg(f.path, meta.target_id as string, meta.type);
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})
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}
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res.json({ ok: true, files: accepted.length, meta });
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});
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app.use((error: any, req: Request, res: Response, next: NextFunction) => {
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const timestamp = new Date().toISOString();
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console.error(`\n[${timestamp}] 错误:`, error);
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res.status(500).json({
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success: false,
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message: '服务器内部错误',
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error: error.message
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});
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});
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// 启动服务器
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app.listen(PORT, () => {
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console.log(`Server is running on http://localhost:${PORT}`);
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testNetwork();
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});
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