server/server -> server/core

server/core/controllers/static.ts

@@ -0,0 +1,116 @@
+import cors from 'cors'
+import express from 'express'
+import { readFile } from 'fs/promises'
+import { join } from 'path'
+import { injectQueryToPlaylistUrls } from '@server/lib/hls.js'
+import {
+  asyncMiddleware,
+  ensureCanAccessPrivateVideoHLSFiles,
+  ensureCanAccessVideoPrivateWebVideoFiles,
+  handleStaticError,
+  optionalAuthenticate
+} from '@server/middlewares/index.js'
+import { HttpStatusCode } from '@peertube/peertube-models'
+import { CONFIG } from '../initializers/config.js'
+import { DIRECTORIES, STATIC_MAX_AGE, STATIC_PATHS } from '../initializers/constants.js'
+import { buildReinjectVideoFileTokenQuery, doReinjectVideoFileToken } from './shared/m3u8-playlist.js'
+
+const staticRouter = express.Router()
+
+// Cors is very important to let other servers access torrent and video files
+staticRouter.use(cors())
+
+// ---------------------------------------------------------------------------
+// Web videos/Classic videos
+// ---------------------------------------------------------------------------
+
+const privateWebVideoStaticMiddlewares = CONFIG.STATIC_FILES.PRIVATE_FILES_REQUIRE_AUTH === true
+  ? [ optionalAuthenticate, asyncMiddleware(ensureCanAccessVideoPrivateWebVideoFiles) ]
+  : []
+
+staticRouter.use(
+  [ STATIC_PATHS.PRIVATE_WEB_VIDEOS, STATIC_PATHS.LEGACY_PRIVATE_WEB_VIDEOS ],
+  ...privateWebVideoStaticMiddlewares,
+  express.static(DIRECTORIES.VIDEOS.PRIVATE, { fallthrough: false }),
+  handleStaticError
+)
+staticRouter.use(
+  [ STATIC_PATHS.WEB_VIDEOS, STATIC_PATHS.LEGACY_WEB_VIDEOS ],
+  express.static(DIRECTORIES.VIDEOS.PUBLIC, { fallthrough: false }),
+  handleStaticError
+)
+
+staticRouter.use(
+  STATIC_PATHS.REDUNDANCY,
+  express.static(CONFIG.STORAGE.REDUNDANCY_DIR, { fallthrough: false }),
+  handleStaticError
+)
+
+// ---------------------------------------------------------------------------
+// HLS
+// ---------------------------------------------------------------------------
+
+const privateHLSStaticMiddlewares = CONFIG.STATIC_FILES.PRIVATE_FILES_REQUIRE_AUTH === true
+  ? [ optionalAuthenticate, asyncMiddleware(ensureCanAccessPrivateVideoHLSFiles) ]
+  : []
+
+staticRouter.use(
+  STATIC_PATHS.STREAMING_PLAYLISTS.PRIVATE_HLS + ':videoUUID/:playlistName.m3u8',
+  ...privateHLSStaticMiddlewares,
+  asyncMiddleware(servePrivateM3U8)
+)
+
+staticRouter.use(
+  STATIC_PATHS.STREAMING_PLAYLISTS.PRIVATE_HLS,
+  ...privateHLSStaticMiddlewares,
+  express.static(DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, { fallthrough: false }),
+  handleStaticError
+)
+staticRouter.use(
+  STATIC_PATHS.STREAMING_PLAYLISTS.HLS,
+  express.static(DIRECTORIES.HLS_STREAMING_PLAYLIST.PUBLIC, { fallthrough: false }),
+  handleStaticError
+)
+
+// FIXME: deprecated in v6, to remove
+const thumbnailsPhysicalPath = CONFIG.STORAGE.THUMBNAILS_DIR
+staticRouter.use(
+  STATIC_PATHS.THUMBNAILS,
+  express.static(thumbnailsPhysicalPath, { maxAge: STATIC_MAX_AGE.SERVER, fallthrough: false }),
+  handleStaticError
+)
+
+// ---------------------------------------------------------------------------
+
+export {
+  staticRouter
+}
+
+// ---------------------------------------------------------------------------
+
+async function servePrivateM3U8 (req: express.Request, res: express.Response) {
+  const path = join(DIRECTORIES.HLS_STREAMING_PLAYLIST.PRIVATE, req.params.videoUUID, req.params.playlistName + '.m3u8')
+  const filename = req.params.playlistName + '.m3u8'
+
+  let playlistContent: string
+
+  try {
+    playlistContent = await readFile(path, 'utf-8')
+  } catch (err) {
+    if (err.message.includes('ENOENT')) {
+      return res.fail({
+        status: HttpStatusCode.NOT_FOUND_404,
+        message: 'File not found'
+      })
+    }
+
+    throw err
+  }
+
+  // Inject token in playlist so players that cannot alter the HTTP request can still watch the video
+  const transformedContent = doReinjectVideoFileToken(req)
+    ? injectQueryToPlaylistUrls(playlistContent, buildReinjectVideoFileTokenQuery(req, filename.endsWith('master.m3u8')))
+    : playlistContent
+
+  return res.set('content-type', 'application/vnd.apple.mpegurl').send(transformedContent).end()
+}