+function isVideoFileResolutionValid (value: string) {
+ return exists(value) && validator.isInt(value + '')
+}
+
+function isVideoFPSResolutionValid (value: string) {
+ return value === null || validator.isInt(value + '')
+}
+
+function isVideoFileSizeValid (value: string) {
+ return exists(value) && validator.isInt(value + '', VIDEOS_CONSTRAINTS_FIELDS.FILE_SIZE)
+}
+
+function isVideoMagnetUriValid (value: string) {
+ if (!exists(value)) return false
+
+ const parsed = magnetUtil.decode(value)
+ return parsed && isVideoFileInfoHashValid(parsed.infoHash)
+}
+
+function checkUserCanManageVideo (user: UserModel, video: VideoModel, right: UserRight, res: Response) {
+ // Retrieve the user who did the request
+ if (video.isOwned() === false) {
+ res.status(403)
+ .json({ error: 'Cannot manage a video of another server.' })
+ .end()
+ return false
+ }
+
+ // Check if the user can delete the video
+ // The user can delete it if he has the right
+ // Or if s/he is the video's account
+ const account = video.VideoChannel.Account
+ if (user.hasRight(right) === false && account.userId !== user.id) {
+ res.status(403)
+ .json({ error: 'Cannot manage a video of another user.' })
+ .end()
+ return false
+ }
+
+ return true
+}
+
+async function doesVideoExist (id: number | string, res: Response, fetchType: VideoFetchType = 'all') {
+ const userId = res.locals.oauth ? res.locals.oauth.token.User.id : undefined
+
+ const video = await fetchVideo(id, fetchType, userId)
+
+ if (video === null) {
+ res.status(404)
+ .json({ error: 'Video not found' })
+ .end()
+
+ return false
+ }
+
+ if (fetchType !== 'none') res.locals.video = video
+ return true