server/middlewares/validators/videos/video-studio.ts

   1 import express from 'express'
   2 import { body, param } from 'express-validator'
   3 import { isIdOrUUIDValid } from '@server/helpers/custom-validators/misc'
   4 import {
   5   isStudioCutTaskValid,
   6   isStudioTaskAddIntroOutroValid,
   7   isStudioTaskAddWatermarkValid,
   8   isValidStudioTasksArray
   9 } from '@server/helpers/custom-validators/video-studio'
  10 import { cleanUpReqFiles } from '@server/helpers/express-utils'
  11 import { CONFIG } from '@server/initializers/config'
  12 import { approximateIntroOutroAdditionalSize, getTaskFile } from '@server/lib/video-studio'
  13 import { isAudioFile } from '@shared/extra-utils'
  14 import { HttpStatusCode, UserRight, VideoState, VideoStudioCreateEdition, VideoStudioTask } from '@shared/models'
  15 import { areValidationErrors, checkUserCanManageVideo, checkUserQuota, doesVideoExist } from '../shared'
  16
  17 const videoStudioAddEditionValidator = [
  18   param('videoId')
  19     .custom(isIdOrUUIDValid).withMessage('Should have a valid video id/uuid/short uuid'),
  20
  21   body('tasks')
  22     .custom(isValidStudioTasksArray).withMessage('Should have a valid array of tasks'),
  23
  24   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  25     if (CONFIG.VIDEO_STUDIO.ENABLED !== true) {
  26       res.fail({
  27         status: HttpStatusCode.BAD_REQUEST_400,
  28         message: 'Video studio is disabled on this instance'
  29       })
  30
  31       return cleanUpReqFiles(req)
  32     }
  33
  34     if (areValidationErrors(req, res)) return cleanUpReqFiles(req)
  35
  36     const body: VideoStudioCreateEdition = req.body
  37     const files = req.files as Express.Multer.File[]
  38
  39     for (let i = 0; i < body.tasks.length; i++) {
  40       const task = body.tasks[i]
  41
  42       if (!checkTask(req, task, i)) {
  43         res.fail({
  44           status: HttpStatusCode.BAD_REQUEST_400,
  45           message: `Task ${task.name} is invalid`
  46         })
  47
  48         return cleanUpReqFiles(req)
  49       }
  50
  51       if (task.name === 'add-intro' || task.name === 'add-outro') {
  52         const filePath = getTaskFile(files, i).path
  53
  54         // Our concat filter needs a video stream
  55         if (await isAudioFile(filePath)) {
  56           res.fail({
  57             status: HttpStatusCode.BAD_REQUEST_400,
  58             message: `Task ${task.name} is invalid: file does not contain a video stream`
  59           })
  60
  61           return cleanUpReqFiles(req)
  62         }
  63       }
  64     }
  65
  66     if (!await doesVideoExist(req.params.videoId, res)) return cleanUpReqFiles(req)
  67
  68     const video = res.locals.videoAll
  69     if (video.state === VideoState.TO_TRANSCODE || video.state === VideoState.TO_EDIT) {
  70       res.fail({
  71         status: HttpStatusCode.CONFLICT_409,
  72         message: 'Cannot edit video that is already waiting for transcoding/edition'
  73       })
  74
  75       return cleanUpReqFiles(req)
  76     }
  77
  78     const user = res.locals.oauth.token.User
  79     if (!checkUserCanManageVideo(user, video, UserRight.UPDATE_ANY_VIDEO, res)) return cleanUpReqFiles(req)
  80
  81     // Try to make an approximation of bytes added by the intro/outro
  82     const additionalBytes = await approximateIntroOutroAdditionalSize(video, body.tasks, i => getTaskFile(files, i).path)
  83     if (await checkUserQuota(user, additionalBytes, res) === false) return cleanUpReqFiles(req)
  84
  85     return next()
  86   }
  87 ]
  88
  89 // ---------------------------------------------------------------------------
  90
  91 export {
  92   videoStudioAddEditionValidator
  93 }
  94
  95 // ---------------------------------------------------------------------------
  96
  97 const taskCheckers: {
  98   [id in VideoStudioTask['name']]: (task: VideoStudioTask, indice?: number, files?: Express.Multer.File[]) => boolean
  99 } = {
 100   'cut': isStudioCutTaskValid,
 101   'add-intro': isStudioTaskAddIntroOutroValid,
 102   'add-outro': isStudioTaskAddIntroOutroValid,
 103   'add-watermark': isStudioTaskAddWatermarkValid
 104 }
 105
 106 function checkTask (req: express.Request, task: VideoStudioTask, indice?: number) {
 107   const checker = taskCheckers[task.name]
 108   if (!checker) return false
 109
 110   return checker(task, indice, req.files as Express.Multer.File[])
 111 }