server/helpers/middlewares/videos.ts

   1 import { Response } from 'express'
   2 import { fetchVideo, VideoFetchType } from '../video'
   3 import { UserRight } from '../../../shared/models/users'
   4 import { VideoChannelModel } from '../../models/video/video-channel'
   5 import {
   6   MUser,
   7   MUserAccountId,
   8   MVideoAccountLight,
   9   MVideoFullLight,
  10   MVideoIdThumbnail,
  11   MVideoImmutable,
  12   MVideoThumbnail,
  13   MVideoWithRights
  14 } from '@server/types/models'
  15 import { VideoFileModel } from '@server/models/video/video-file'
  16 import { HttpStatusCode } from '../../../shared/core-utils/miscs/http-error-codes'
  17
  18 async function doesVideoExist (id: number | string, res: Response, fetchType: VideoFetchType = 'all') {
  19   const userId = res.locals.oauth ? res.locals.oauth.token.User.id : undefined
  20
  21   const video = await fetchVideo(id, fetchType, userId)
  22
  23   if (video === null) {
  24     res.status(HttpStatusCode.NOT_FOUND_404)
  25        .json({ error: 'Video not found' })
  26        .end()
  27
  28     return false
  29   }
  30
  31   switch (fetchType) {
  32     case 'all':
  33       res.locals.videoAll = video as MVideoFullLight
  34       break
  35
  36     case 'only-immutable-attributes':
  37       res.locals.onlyImmutableVideo = video as MVideoImmutable
  38       break
  39
  40     case 'id':
  41       res.locals.videoId = video as MVideoIdThumbnail
  42       break
  43
  44     case 'only-video':
  45       res.locals.onlyVideo = video as MVideoThumbnail
  46       break
  47
  48     case 'only-video-with-rights':
  49       res.locals.onlyVideoWithRights = video as MVideoWithRights
  50       break
  51   }
  52
  53   return true
  54 }
  55
  56 async function doesVideoFileOfVideoExist (id: number, videoIdOrUUID: number | string, res: Response) {
  57   if (!await VideoFileModel.doesVideoExistForVideoFile(id, videoIdOrUUID)) {
  58     res.status(HttpStatusCode.NOT_FOUND_404)
  59        .json({ error: 'VideoFile matching Video not found' })
  60        .end()
  61
  62     return false
  63   }
  64
  65   return true
  66 }
  67
  68 async function doesVideoChannelOfAccountExist (channelId: number, user: MUserAccountId, res: Response) {
  69   const videoChannel = await VideoChannelModel.loadAndPopulateAccount(channelId)
  70
  71   if (videoChannel === null) {
  72     res.status(HttpStatusCode.BAD_REQUEST_400)
  73        .json({ error: 'Unknown video "video channel" for this instance.' })
  74
  75     return false
  76   }
  77
  78   // Don't check account id if the user can update any video
  79   if (user.hasRight(UserRight.UPDATE_ANY_VIDEO) === true) {
  80     res.locals.videoChannel = videoChannel
  81     return true
  82   }
  83
  84   if (videoChannel.Account.id !== user.Account.id) {
  85     res.status(HttpStatusCode.BAD_REQUEST_400)
  86       .json({ error: 'Unknown video "video channel" for this account.' })
  87
  88     return false
  89   }
  90
  91   res.locals.videoChannel = videoChannel
  92   return true
  93 }
  94
  95 function checkUserCanManageVideo (user: MUser, video: MVideoAccountLight, right: UserRight, res: Response, onlyOwned = true) {
  96   // Retrieve the user who did the request
  97   if (onlyOwned && video.isOwned() === false) {
  98     res.status(HttpStatusCode.FORBIDDEN_403)
  99        .json({ error: 'Cannot manage a video of another server.' })
 100        .end()
 101     return false
 102   }
 103
 104   // Check if the user can delete the video
 105   // The user can delete it if he has the right
 106   // Or if s/he is the video's account
 107   const account = video.VideoChannel.Account
 108   if (user.hasRight(right) === false && account.userId !== user.id) {
 109     res.status(HttpStatusCode.FORBIDDEN_403)
 110        .json({ error: 'Cannot manage a video of another user.' })
 111        .end()
 112     return false
 113   }
 114
 115   return true
 116 }
 117
 118 // ---------------------------------------------------------------------------
 119
 120 export {
 121   doesVideoChannelOfAccountExist,
 122   doesVideoExist,
 123   doesVideoFileOfVideoExist,
 124   checkUserCanManageVideo
 125 }