server/middlewares/validators/shared/videos.ts

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