55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
import http from 'node:http';
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import send from 'send';
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import fs from 'node:fs';
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import path from 'node:path';
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import { ProxyInfo } from './proxy.ts';
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import { checkFileExists } from '../file.ts';
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// import { log } from '@/module/logger.ts';
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const log = console;
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export const fileProxy = (req: http.IncomingMessage, res: http.ServerResponse, proxyApi: ProxyInfo) => {
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// url开头的文件
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const url = new URL(req.url, 'http://localhost');
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const [user, key, _info] = url.pathname.split('/');
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const pathname = url.pathname.slice(1);
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const { indexPath = '', target = '', rootPath = process.cwd() } = proxyApi;
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if (!indexPath) {
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return res.end('Not Found indexPath');
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}
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try {
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// 检测文件是否存在，如果文件不存在，则返回404
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let filePath = '';
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let exist = false;
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if (_info) {
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filePath = path.join(rootPath, target, pathname);
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exist = checkFileExists(filePath, true);
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}
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if (!exist) {
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filePath = path.join(rootPath, target, indexPath);
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exist = checkFileExists(filePath, true);
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}
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log.debug('filePath', { filePath, exist });
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if (!exist) {
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res.statusCode = 404;
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res.end('Not Found File');
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return;
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}
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const ext = path.extname(filePath);
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let maxAge = 24 * 60 * 60 * 1000; // 24小时
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if (ext === '.html') {
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maxAge = 0;
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}
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let sendFilePath = path.relative(rootPath, filePath);
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const file = send(req, sendFilePath, {
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root: rootPath,
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maxAge,
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});
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file.pipe(res);
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} catch (error) {
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res.statusCode = 404;
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res.end('Error:Not Found File');
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return;
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}
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};
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