1 import * as Bluebird from 'bluebird'
2 import { createWriteStream } from 'fs-extra'
3 import * as request from 'request'
4 import { ACTIVITY_PUB } from '../initializers'
5 import { processImage } from './image-utils'
7 function doRequest <T> (
8 requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean }
9 ): Bluebird<{ response: request.RequestResponse, body: any }> {
10 if (requestOptions.activityPub === true) {
11 if (!Array.isArray(requestOptions.headers)) requestOptions.headers = {}
12 requestOptions.headers['accept'] = ACTIVITY_PUB.ACCEPT_HEADER
15 return new Bluebird<{ response: request.RequestResponse, body: T }>((res, rej) => {
16 request(requestOptions, (err, response, body) => err ? rej(err) : res({ response, body }))
20 function doRequestAndSaveToFile (requestOptions: request.CoreOptions & request.UriOptions, destPath: string) {
21 return new Bluebird<void>((res, rej) => {
22 const file = createWriteStream(destPath)
23 file.on('finish', () => res())
25 request(requestOptions)
26 .on('error', err => rej(err))
31 async function downloadImage (url: string, destPath: string, size: { width: number, height: number }) {
32 const tmpPath = destPath + '.tmp'
34 await doRequestAndSaveToFile({ method: 'GET', uri: url }, tmpPath)
36 await processImage({ path: tmpPath }, destPath, size)
39 // ---------------------------------------------------------------------------
43 doRequestAndSaveToFile,