Introduce streaming playlists command

1 files changed, 76 insertions, 0 deletions

diff --git a/shared/extra-utils/videos/streaming-playlists.ts b/shared/extra-utils/videos/streaming-playlists.ts
new file mode 100644
index 000000000..0324c739a
--- /dev/null
+++ b/shared/extra-utils/videos/streaming-playlists.ts
@@ -0,0 +1,76 @@
+import { expect } from 'chai'
+import { sha256 } from '@server/helpers/core-utils'
+import { HttpStatusCode } from '@shared/core-utils'
+import { VideoStreamingPlaylist } from '@shared/models'
+import { ServerInfo } from '../server'
+
+async function checkSegmentHash (options: {
+  server: ServerInfo
+  baseUrlPlaylist: string
+  baseUrlSegment: string
+  videoUUID: string
+  resolution: number
+  hlsPlaylist: VideoStreamingPlaylist
+}) {
+  const { server, baseUrlPlaylist, baseUrlSegment, videoUUID, resolution, hlsPlaylist } = options
+  const command = server.streamingPlaylistsCommand
+
+  const playlist = await command.get({ url: `${baseUrlPlaylist}/${videoUUID}/${resolution}.m3u8` })
+
+  const videoName = `${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}-${offset + length - 1}`
+
+  const segmentBody = await command.getSegment({
+    url: `${baseUrlSegment}/${videoUUID}/${videoName}`,
+    expectedStatus: HttpStatusCode.PARTIAL_CONTENT_206,
+    range: `bytes=${range}`
+  })
+
+  const shaBody = await command.getSegmentSha256({ url: hlsPlaylist.segmentsSha256Url })
+  expect(sha256(segmentBody)).to.equal(shaBody[videoName][range])
+}
+
+async function checkLiveSegmentHash (options: {
+  server: ServerInfo
+  baseUrlSegment: string
+  videoUUID: string
+  segmentName: string
+  hlsPlaylist: VideoStreamingPlaylist
+}) {
+  const { server, baseUrlSegment, videoUUID, segmentName, hlsPlaylist } = options
+  const command = server.streamingPlaylistsCommand
+
+  const segmentBody = await command.getSegment({ url: `${baseUrlSegment}/${videoUUID}/${segmentName}` })
+  const shaBody = await command.getSegmentSha256({ url: hlsPlaylist.segmentsSha256Url })
+
+  expect(sha256(segmentBody)).to.equal(shaBody[segmentName])
+}
+
+async function checkResolutionsInMasterPlaylist (options: {
+  server: ServerInfo
+  playlistUrl: string
+  resolutions: number[]
+}) {
+  const { server, playlistUrl, resolutions } = options
+
+  const masterPlaylist = await server.streamingPlaylistsCommand.get({ url: playlistUrl })
+
+  for (const resolution of resolutions) {
+    const reg = new RegExp(
+      '#EXT-X-STREAM-INF:BANDWIDTH=\\d+,RESOLUTION=\\d+x' + resolution + ',(FRAME-RATE=\\d+,)?CODECS="avc1.64001f,mp4a.40.2"'
+    )
+
+    expect(masterPlaylist).to.match(reg)
+  }
+}
+
+export {
+  checkSegmentHash,
+  checkLiveSegmentHash,
+  checkResolutionsInMasterPlaylist
+}