-import * as Bluebird from 'bluebird'
-import { createWriteStream } from 'fs'
-import * as request from 'request'
-import { ACTIVITY_PUB } from '../initializers'
+import { createWriteStream, remove } from 'fs-extra'
+import got, { CancelableRequest, NormalizedOptions, Options as GotOptions, RequestError, Response } from 'got'
+import { HttpProxyAgent, HttpsProxyAgent } from 'hpagent'
+import { join } from 'path'
+import { CONFIG } from '../initializers/config'
+import { ACTIVITY_PUB, BINARY_CONTENT_TYPES, PEERTUBE_VERSION, REQUEST_TIMEOUTS, WEBSERVER } from '../initializers/constants'
+import { pipelinePromise } from './core-utils'
+import { processImage } from './image-utils'
+import { logger, loggerTagsFactory } from './logger'
+import { getProxy, isProxyEnabled } from './proxy'
-function doRequest (
- requestOptions: request.CoreOptions & request.UriOptions & { activityPub?: boolean }
-): Bluebird<{ response: request.RequestResponse, body: any }> {
- if (requestOptions.activityPub === true) {
- if (!Array.isArray(requestOptions.headers)) requestOptions.headers = {}
- requestOptions.headers['accept'] = ACTIVITY_PUB.ACCEPT_HEADER
+const lTags = loggerTagsFactory('request')
+
+const httpSignature = require('@peertube/http-signature')
+
+export interface PeerTubeRequestError extends Error {
+ statusCode?: number
+ responseBody?: any
+ responseHeaders?: any
+}
+
+type PeerTubeRequestOptions = {
+ timeout?: number
+ activityPub?: boolean
+ bodyKBLimit?: number // 1MB
+ httpSignature?: {
+ algorithm: string
+ authorizationHeaderName: string
+ keyId: string
+ key: string
+ headers: string[]
}
+ jsonResponse?: boolean
+} & Pick<GotOptions, 'headers' | 'json' | 'method' | 'searchParams'>
+
+const peertubeGot = got.extend({
+ ...getAgent(),
+
+ headers: {
+ 'user-agent': getUserAgent()
+ },
+
+ handlers: [
+ (options, next) => {
+ const promiseOrStream = next(options) as CancelableRequest<any>
+ const bodyKBLimit = options.context?.bodyKBLimit as number
+ if (!bodyKBLimit) throw new Error('No KB limit for this request')
+
+ const bodyLimit = bodyKBLimit * 1000
+
+ /* eslint-disable @typescript-eslint/no-floating-promises */
+ promiseOrStream.on('downloadProgress', progress => {
+ if (progress.transferred > bodyLimit && progress.percent !== 1) {
+ const message = `Exceeded the download limit of ${bodyLimit} B`
+ logger.warn(message, lTags())
+
+ // CancelableRequest
+ if (promiseOrStream.cancel) {
+ promiseOrStream.cancel()
+ return
+ }
+
+ // Stream
+ (promiseOrStream as any).destroy()
+ }
+ })
+
+ return promiseOrStream
+ }
+ ],
+
+ hooks: {
+ beforeRequest: [
+ options => {
+ const headers = options.headers || {}
+ headers['host'] = options.url.host
+ },
+
+ options => {
+ const httpSignatureOptions = options.context?.httpSignature
+
+ if (httpSignatureOptions) {
+ const method = options.method ?? 'GET'
+ const path = options.path ?? options.url.pathname
+
+ if (!method || !path) {
+ throw new Error(`Cannot sign request without method (${method}) or path (${path}) ${options}`)
+ }
+
+ httpSignature.signRequest({
+ getHeader: function (header) {
+ return options.headers[header]
+ },
+
+ setHeader: function (header, value) {
+ options.headers[header] = value
+ },
- return new Bluebird<{ response: request.RequestResponse, body: any }>((res, rej) => {
- request(requestOptions, (err, response, body) => err ? rej(err) : res({ response, body }))
- })
+ method,
+ path
+ }, httpSignatureOptions)
+ }
+ }
+ ],
+
+ beforeRetry: [
+ (_options: NormalizedOptions, error: RequestError, retryCount: number) => {
+ logger.debug('Retrying request to %s.', error.request.requestUrl, { retryCount, error: buildRequestError(error), ...lTags() })
+ }
+ ]
+ }
+})
+
+function doRequest (url: string, options: PeerTubeRequestOptions = {}) {
+ const gotOptions = buildGotOptions(options)
+
+ return peertubeGot(url, gotOptions)
+ .catch(err => { throw buildRequestError(err) })
}
-function doRequestAndSaveToFile (requestOptions: request.CoreOptions & request.UriOptions, destPath: string) {
- return new Bluebird<request.RequestResponse>((res, rej) => {
- request(requestOptions)
- .on('response', response => res(response as request.RequestResponse))
- .on('error', err => rej(err))
- .pipe(createWriteStream(destPath))
- })
+function doJSONRequest <T> (url: string, options: PeerTubeRequestOptions = {}) {
+ const gotOptions = buildGotOptions(options)
+
+ return peertubeGot<T>(url, { ...gotOptions, responseType: 'json' })
+ .catch(err => { throw buildRequestError(err) })
+}
+
+async function doRequestAndSaveToFile (
+ url: string,
+ destPath: string,
+ options: PeerTubeRequestOptions = {}
+) {
+ const gotOptions = buildGotOptions({ ...options, timeout: options.timeout ?? REQUEST_TIMEOUTS.FILE })
+
+ const outFile = createWriteStream(destPath)
+
+ try {
+ await pipelinePromise(
+ peertubeGot.stream(url, gotOptions),
+ outFile
+ )
+ } catch (err) {
+ remove(destPath)
+ .catch(err => logger.error('Cannot remove %s after request failure.', destPath, { err, ...lTags() }))
+
+ throw buildRequestError(err)
+ }
+}
+
+async function downloadImage (url: string, destDir: string, destName: string, size: { width: number, height: number }) {
+ const tmpPath = join(CONFIG.STORAGE.TMP_DIR, 'pending-' + destName)
+ await doRequestAndSaveToFile(url, tmpPath)
+
+ const destPath = join(destDir, destName)
+
+ try {
+ await processImage(tmpPath, destPath, size)
+ } catch (err) {
+ await remove(tmpPath)
+
+ throw err
+ }
+}
+
+function getAgent () {
+ if (!isProxyEnabled()) return {}
+
+ const proxy = getProxy()
+
+ logger.info('Using proxy %s.', proxy, lTags())
+
+ const proxyAgentOptions = {
+ keepAlive: true,
+ keepAliveMsecs: 1000,
+ maxSockets: 256,
+ maxFreeSockets: 256,
+ scheduling: 'lifo' as 'lifo',
+ proxy
+ }
+
+ return {
+ agent: {
+ http: new HttpProxyAgent(proxyAgentOptions),
+ https: new HttpsProxyAgent(proxyAgentOptions)
+ }
+ }
+}
+
+function getUserAgent () {
+ return `PeerTube/${PEERTUBE_VERSION} (+${WEBSERVER.URL})`
+}
+
+function isBinaryResponse (result: Response<any>) {
+ return BINARY_CONTENT_TYPES.has(result.headers['content-type'])
+}
+
+async function findLatestRedirection (url: string, options: PeerTubeRequestOptions, iteration = 1) {
+ if (iteration > 10) throw new Error('Too much iterations to find final URL ' + url)
+
+ const { headers } = await peertubeGot(url, { followRedirect: false, ...buildGotOptions(options) })
+
+ if (headers.location) return findLatestRedirection(headers.location, options, iteration + 1)
+
+ return url
}
// ---------------------------------------------------------------------------
export {
doRequest,
- doRequestAndSaveToFile
+ doJSONRequest,
+ doRequestAndSaveToFile,
+ isBinaryResponse,
+ downloadImage,
+ getAgent,
+ findLatestRedirection,
+ peertubeGot
+}
+
+// ---------------------------------------------------------------------------
+
+function buildGotOptions (options: PeerTubeRequestOptions) {
+ const { activityPub, bodyKBLimit = 1000 } = options
+
+ const context = { bodyKBLimit, httpSignature: options.httpSignature }
+
+ let headers = options.headers || {}
+
+ if (!headers.date) {
+ headers = { ...headers, date: new Date().toUTCString() }
+ }
+
+ if (activityPub && !headers.accept) {
+ headers = { ...headers, accept: ACTIVITY_PUB.ACCEPT_HEADER }
+ }
+
+ return {
+ method: options.method,
+ dnsCache: true,
+ timeout: options.timeout ?? REQUEST_TIMEOUTS.DEFAULT,
+ json: options.json,
+ searchParams: options.searchParams,
+ retry: 2,
+ headers,
+ context
+ }
+}
+
+function buildRequestError (error: RequestError) {
+ const newError: PeerTubeRequestError = new Error(error.message)
+ newError.name = error.name
+ newError.stack = error.stack
+
+ if (error.response) {
+ newError.responseBody = error.response.body
+ newError.responseHeaders = error.response.headers
+ newError.statusCode = error.response.statusCode
+ }
+
+ return newError
}