import * as fs from 'fs'; import * as stream from 'stream'; import * as util from 'util'; import got, * as Got from 'got'; import { httpAgent, httpsAgent } from './fetch'; import config from '@/config/index'; import * as chalk from 'chalk'; import Logger from '@/services/logger'; import * as IPCIDR from 'ip-cidr'; const PrivateIp = require('private-ip'); const pipeline = util.promisify(stream.pipeline); export async function downloadUrl(url: string, path: string) { const logger = new Logger('download'); logger.info(`Downloading ${chalk.cyan(url)} ...`); const timeout = 30 * 1000; const operationTimeout = 60 * 1000; const req = got.stream(url, { headers: { 'User-Agent': config.userAgent }, timeout: { lookup: timeout, connect: timeout, secureConnect: timeout, socket: timeout, // read timeout response: timeout, send: timeout, request: operationTimeout, // whole operation timeout }, agent: { http: httpAgent, https: httpsAgent, }, retry: 0, }).on('response', (res: Got.Response) => { if ((process.env.NODE_ENV === 'production' || process.env.NODE_ENV === 'test') && !config.proxy && res.ip) { if (isPrivateIp(res.ip)) { logger.warn(`Blocked address: ${res.ip}`); req.destroy(); } } }).on('error', (e: any) => { if (e.name === 'HTTPError') { const statusCode = e.response?.statusCode; const statusMessage = e.response?.statusMessage; e.name = `StatusError`; e.statusCode = statusCode; e.message = `${statusCode} ${statusMessage}`; } }); await pipeline(req, fs.createWriteStream(path)); logger.succ(`Download finished: ${chalk.cyan(url)}`); } function isPrivateIp(ip: string) { for (const net of config.allowedPrivateNetworks || []) { const cidr = new IPCIDR(net); if (cidr.contains(ip)) { return false; } } return PrivateIp(ip); }