1 files changed, 33 insertions, 3 deletions

diff --git a/shared/utils/videos/video-playlists.ts b/shared/utils/videos/video-playlists.ts
index 9a0710ca6..eb25011cb 100644
--- a/shared/utils/videos/video-playlists.ts
+++ b/shared/utils/videos/video-playlists.ts
@@ -1,21 +1,51 @@
 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) {
-  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
+  getSegmentSha256,
+  checkSegmentHash
 }