1 import * as Bluebird from 'bluebird'
2 import { createWriteStream, remove } from 'fs-extra'
3 import * as request from 'request'
4 import { ACTIVITY_PUB, PEERTUBE_VERSION, WEBSERVER } from '../initializers/constants'
5 import { processImage } from './image-utils'
6 import { join } from 'path'
7 import { logger } from './logger'
8 import { CONFIG } from '../initializers/config'
10 function doRequest <T> (
11 requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean },
12 bodyKBLimit = 1000 // 1MB
13 ): Bluebird<{ response: request.RequestResponse, body: T }> {
14 if (!(requestOptions.headers)) requestOptions.headers = {}
15 requestOptions.headers['User-Agent'] = getUserAgent()
17 if (requestOptions.activityPub === true) {
18 requestOptions.headers['accept'] = ACTIVITY_PUB.ACCEPT_HEADER
21 return new Bluebird<{ response: request.RequestResponse, body: T }>((res, rej) => {
22 request(requestOptions, (err, response, body) => err ? rej(err) : res({ response, body }))
23 .on('data', onRequestDataLengthCheck(bodyKBLimit))
27 function doRequestAndSaveToFile (
28 requestOptions: request.CoreOptions & request.UriOptions,
30 bodyKBLimit = 10000 // 10MB
32 if (!requestOptions.headers) requestOptions.headers = {}
33 requestOptions.headers['User-Agent'] = getUserAgent()
35 return new Bluebird<void>((res, rej) => {
36 const file = createWriteStream(destPath)
37 file.on('finish', () => res())
39 request(requestOptions)
40 .on('data', onRequestDataLengthCheck(bodyKBLimit))
45 .catch(err => logger.error('Cannot remove %s after request failure.', destPath, { err }))
53 async function downloadImage (url: string, destDir: string, destName: string, size: { width: number, height: number }) {
54 const tmpPath = join(CONFIG.STORAGE.TMP_DIR, 'pending-' + destName)
55 await doRequestAndSaveToFile({ method: 'GET', uri: url }, tmpPath)
57 const destPath = join(destDir, destName)
60 await processImage(tmpPath, destPath, size)
68 function getUserAgent () {
69 return `PeerTube/${PEERTUBE_VERSION} (+${WEBSERVER.URL})`
72 // ---------------------------------------------------------------------------
76 doRequestAndSaveToFile,
80 // ---------------------------------------------------------------------------
82 // Thanks to https://github.com/request/request/issues/2470#issuecomment-268929907 <3
83 function onRequestDataLengthCheck (bodyKBLimit: number) {
85 const bytesLimit = bodyKBLimit * 1000
87 return function (chunk) {
88 bufferLength += chunk.length
89 if (bufferLength > bytesLimit) {
92 const error = new Error(`Response was too large - aborted after ${bytesLimit} bytes.`)
93 this.emit('error', error)