From ad5db1044c8599eaaaa2a578b350777ae996b068 Mon Sep 17 00:00:00 2001
From: Chocobozzz <me@florianbigard.com>
Date: Thu, 18 Nov 2021 14:35:08 +0100
Subject: Add ability to run transcoding jobs

---
 server/middlewares/validators/videos/index.ts      |  1 +
 .../middlewares/validators/videos/video-files.ts   | 21 +--------
 .../validators/videos/video-transcoding.ts         | 55 ++++++++++++++++++++++
 3 files changed, 58 insertions(+), 19 deletions(-)
 create mode 100644 server/middlewares/validators/videos/video-transcoding.ts

(limited to 'server/middlewares')

diff --git a/server/middlewares/validators/videos/index.ts b/server/middlewares/validators/videos/index.ts
index fd1d58093..f365d8ee1 100644
--- a/server/middlewares/validators/videos/index.ts
+++ b/server/middlewares/validators/videos/index.ts
@@ -9,4 +9,5 @@ export * from './video-ownership-changes'
 export * from './video-watch'
 export * from './video-rates'
 export * from './video-shares'
+export * from './video-transcoding'
 export * from './videos'
diff --git a/server/middlewares/validators/videos/video-files.ts b/server/middlewares/validators/videos/video-files.ts
index 282594ab6..c1fa77502 100644
--- a/server/middlewares/validators/videos/video-files.ts
+++ b/server/middlewares/validators/videos/video-files.ts
@@ -1,6 +1,6 @@
 import express from 'express'
-import { MUser, MVideo } from '@server/types/models'
-import { HttpStatusCode, UserRight } from '../../../../shared'
+import { MVideo } from '@server/types/models'
+import { HttpStatusCode } from '../../../../shared'
 import { logger } from '../../../helpers/logger'
 import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
 
@@ -14,9 +14,7 @@ const videoFilesDeleteWebTorrentValidator = [
     if (!await doesVideoExist(req.params.id, res)) return
 
     const video = res.locals.videoAll
-    const user = res.locals.oauth.token.User
 
-    if (!checkUserCanDeleteFiles(user, res)) return
     if (!checkLocalVideo(video, res)) return
 
     if (!video.hasWebTorrentFiles()) {
@@ -47,9 +45,7 @@ const videoFilesDeleteHLSValidator = [
     if (!await doesVideoExist(req.params.id, res)) return
 
     const video = res.locals.videoAll
-    const user = res.locals.oauth.token.User
 
-    if (!checkUserCanDeleteFiles(user, res)) return
     if (!checkLocalVideo(video, res)) return
 
     if (!video.getHLSPlaylist()) {
@@ -89,16 +85,3 @@ function checkLocalVideo (video: MVideo, res: express.Response) {
 
   return true
 }
-
-function checkUserCanDeleteFiles (user: MUser, res: express.Response) {
-  if (user.hasRight(UserRight.MANAGE_VIDEO_FILES) !== true) {
-    res.fail({
-      status: HttpStatusCode.FORBIDDEN_403,
-      message: 'User cannot update video files'
-    })
-
-    return false
-  }
-
-  return true
-}
diff --git a/server/middlewares/validators/videos/video-transcoding.ts b/server/middlewares/validators/videos/video-transcoding.ts
new file mode 100644
index 000000000..34f231d45
--- /dev/null
+++ b/server/middlewares/validators/videos/video-transcoding.ts
@@ -0,0 +1,55 @@
+import express from 'express'
+import { body } from 'express-validator'
+import { isValidCreateTranscodingType } from '@server/helpers/custom-validators/video-transcoding'
+import { CONFIG } from '@server/initializers/config'
+import { VideoJobInfoModel } from '@server/models/video/video-job-info'
+import { HttpStatusCode } from '@shared/models'
+import { logger } from '../../../helpers/logger'
+import { areValidationErrors, doesVideoExist, isValidVideoIdParam } from '../shared'
+
+const createTranscodingValidator = [
+  isValidVideoIdParam('videoId'),
+
+  body('transcodingType')
+    .custom(isValidCreateTranscodingType).withMessage('Should have a valid transcoding type'),
+
+  async (req: express.Request, res: express.Response, next: express.NextFunction) => {
+    logger.debug('Checking createTranscodingValidator parameters', { parameters: req.body })
+
+    if (areValidationErrors(req, res)) return
+    if (!await doesVideoExist(req.params.videoId, res, 'all')) return
+
+    const video = res.locals.videoAll
+
+    if (video.remote) {
+      return res.fail({
+        status: HttpStatusCode.BAD_REQUEST_400,
+        message: 'Cannot run transcoding job on a remote video'
+      })
+    }
+
+    if (CONFIG.TRANSCODING.ENABLED !== true) {
+      return res.fail({
+        status: HttpStatusCode.BAD_REQUEST_400,
+        message: 'Cannot run transcoding job because transcoding is disabled on this instance'
+      })
+    }
+
+    // Prefer using job info table instead of video state because before 4.0 failed transcoded video were stuck in "TO_TRANSCODE" state
+    const info = await VideoJobInfoModel.load(video.id)
+    if (info && info.pendingTranscode !== 0) {
+      return res.fail({
+        status: HttpStatusCode.CONFLICT_409,
+        message: 'This video is already being transcoded'
+      })
+    }
+
+    return next()
+  }
+]
+
+// ---------------------------------------------------------------------------
+
+export {
+  createTranscodingValidator
+}
-- 
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