PeerTube/shared/extra-utils/videos/video-streaming-playlists.ts

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2019-02-26 10:55:40 +01:00
import { makeRawRequest } from '../requests/requests'
import { sha256 } from '../../../server/helpers/core-utils'
import { VideoStreamingPlaylist } from '../../models/videos/video-streaming-playlist.model'
import { expect } from 'chai'
function getPlaylist (url: string, statusCodeExpected = 200) {
return makeRawRequest(url, statusCodeExpected)
}
function getSegment (url: string, statusCodeExpected = 200, range?: string) {
return makeRawRequest(url, statusCodeExpected, range)
}
function getSegmentSha256 (url: string, statusCodeExpected = 200) {
return makeRawRequest(url, statusCodeExpected)
}
async function checkSegmentHash (
baseUrlPlaylist: string,
baseUrlSegment: string,
videoUUID: string,
resolution: number,
hlsPlaylist: VideoStreamingPlaylist
) {
const res = await getPlaylist(`${baseUrlPlaylist}/${videoUUID}/${resolution}.m3u8`)
const playlist = res.text
const videoName = `${videoUUID}-${resolution}-fragmented.mp4`
const matches = /#EXT-X-BYTERANGE:(\d+)@(\d+)/.exec(playlist)
const length = parseInt(matches[1], 10)
const offset = parseInt(matches[2], 10)
const range = `${offset}-${offset + length - 1}`
const res2 = await getSegment(`${baseUrlSegment}/${videoUUID}/${videoName}`, 206, `bytes=${range}`)
const resSha = await getSegmentSha256(hlsPlaylist.segmentsSha256Url)
const sha256Server = resSha.body[ videoName ][range]
expect(sha256(res2.body)).to.equal(sha256Server)
}
// ---------------------------------------------------------------------------
export {
getPlaylist,
getSegment,
getSegmentSha256,
checkSegmentHash
}