3 files changed, 42 insertions, 7 deletions

diff --git a/shared/models/activitypub/activitypub-ordered-collection.ts b/shared/models/activitypub/activitypub-ordered-collection.ts
index dfec0bb76..3de0890bb 100644
--- a/shared/models/activitypub/activitypub-ordered-collection.ts
+++ b/shared/models/activitypub/activitypub-ordered-collection.ts
@@ -2,6 +2,9 @@ export interface ActivityPubOrderedCollection<T> {
   '@context': string[]
   type: 'OrderedCollection' | 'OrderedCollectionPage'
   totalItems: number
-  partOf?: string
   orderedItems: T[]
+
+  partOf?: string
+  next?: string
+  first?: string
 }
diff --git a/shared/utils/requests/requests.ts b/shared/utils/requests/requests.ts
index fc687c701..6b59e24fc 100644
--- a/shared/utils/requests/requests.ts
+++ b/shared/utils/requests/requests.ts
@@ -3,10 +3,10 @@ import { buildAbsoluteFixturePath, root } from '../miscs/miscs'
 import { isAbsolute, join } from 'path'
 import { parse } from 'url'
 
-function makeRawRequest (url: string, statusCodeExpected?: number) {
+function makeRawRequest (url: string, statusCodeExpected?: number, range?: string) {
   const { host, protocol, pathname } = parse(url)
 
-  return makeGetRequest({ url: `${protocol}//${host}`, path: pathname, statusCodeExpected })
+  return makeGetRequest({ url: `${protocol}//${host}`, path: pathname, statusCodeExpected, range })
 }
 
 function makeGetRequest (options: {
@@ -15,7 +15,8 @@ function makeGetRequest (options: {
   query?: any,
   token?: string,
   statusCodeExpected?: number,
-  contentType?: string
+  contentType?: string,
+  range?: string
 }) {
   if (!options.statusCodeExpected) options.statusCodeExpected = 400
   if (options.contentType === undefined) options.contentType = 'application/json'
@@ -25,6 +26,7 @@ function makeGetRequest (options: {
   if (options.contentType) req.set('Accept', options.contentType)
   if (options.token) req.set('Authorization', 'Bearer ' + options.token)
   if (options.query) req.query(options.query)
+  if (options.range) req.set('Range', options.range)
 
   return req.expect(options.statusCodeExpected)
 }
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
 }