server/middlewares/validators/videos.ts

   1 import * as express from 'express'
   2 import { body, param, query } from 'express-validator/check'
   3 import { UserRight, VideoPrivacy } from '../../../shared'
   4 import { isIdOrUUIDValid, isIdValid } from '../../helpers/custom-validators/misc'
   5 import {
   6   isVideoAbuseReasonValid,
   7   isVideoCategoryValid,
   8   isVideoDescriptionValid,
   9   isVideoExist,
  10   isVideoFile,
  11   isVideoLanguageValid,
  12   isVideoLicenceValid,
  13   isVideoNameValid,
  14   isVideoNSFWValid,
  15   isVideoPrivacyValid,
  16   isVideoRatingTypeValid,
  17   isVideoTagsValid
  18 } from '../../helpers/custom-validators/videos'
  19 import { getDurationFromVideoFile } from '../../helpers/ffmpeg-utils'
  20 import { logger } from '../../helpers/logger'
  21 import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
  22 import { database as db } from '../../initializers/database'
  23 import { UserInstance } from '../../models/account/user-interface'
  24 import { VideoInstance } from '../../models/video/video-interface'
  25 import { authenticate } from '../oauth'
  26 import { areValidationErrors } from './utils'
  27
  28 const videosAddValidator = [
  29   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  30     'This file is not supported. Please, make sure it is of the following type : '
  31     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  32   ),
  33   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  34   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  35   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  36   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  37   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  38   body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  39   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  40   body('privacy').custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  41   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  42
  43   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  44     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  45
  46     if (areValidationErrors(req, res)) return
  47
  48     const videoFile: Express.Multer.File = req.files['videofile'][0]
  49     const user = res.locals.oauth.token.User
  50
  51     const videoChannel = await db.VideoChannel.loadByIdAndAccount(req.body.channelId, user.Account.id)
  52     if (!videoChannel) {
  53       res.status(400)
  54         .json({ error: 'Unknown video video channel for this account.' })
  55         .end()
  56
  57       return
  58     }
  59
  60     res.locals.videoChannel = videoChannel
  61
  62     const isAble = await user.isAbleToUploadVideo(videoFile)
  63     if (isAble === false) {
  64       res.status(403)
  65          .json({ error: 'The user video quota is exceeded with this video.' })
  66          .end()
  67
  68       return
  69     }
  70
  71     let duration: number
  72
  73     try {
  74       duration = await getDurationFromVideoFile(videoFile.path)
  75     } catch (err) {
  76       logger.error('Invalid input file in videosAddValidator.', err)
  77       res.status(400)
  78          .json({ error: 'Invalid input file.' })
  79          .end()
  80
  81       return
  82     }
  83
  84     videoFile['duration'] = duration
  85
  86     return next()
  87   }
  88 ]
  89
  90 const videosUpdateValidator = [
  91   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
  92   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
  93   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  94   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  95   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  96   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  97   body('privacy').optional().custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  98   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  99   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 100
 101   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 102     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 103
 104     if (areValidationErrors(req, res)) return
 105     if (!await isVideoExist(req.params.id, res)) return
 106
 107     const video = res.locals.video
 108
 109     // We need to make additional checks
 110     if (video.isOwned() === false) {
 111       return res.status(403)
 112                 .json({ error: 'Cannot update video of another server' })
 113                 .end()
 114     }
 115
 116     if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 117       return res.status(403)
 118                 .json({ error: 'Cannot update video of another user' })
 119                 .end()
 120     }
 121
 122     if (video.privacy !== VideoPrivacy.PRIVATE && req.body.privacy === VideoPrivacy.PRIVATE) {
 123       return res.status(409)
 124         .json({ error: 'Cannot set "private" a video that was not private anymore.' })
 125         .end()
 126     }
 127
 128     return next()
 129   }
 130 ]
 131
 132 const videosGetValidator = [
 133   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 134
 135   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 136     logger.debug('Checking videosGet parameters', { parameters: req.params })
 137
 138     if (areValidationErrors(req, res)) return
 139     if (!await isVideoExist(req.params.id, res)) return
 140
 141     const video = res.locals.video
 142
 143     // Video is not private, anyone can access it
 144     if (video.privacy !== VideoPrivacy.PRIVATE) return next()
 145
 146     authenticate(req, res, () => {
 147       if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 148         return res.status(403)
 149           .json({ error: 'Cannot get this private video of another user' })
 150           .end()
 151       }
 152
 153       return next()
 154     })
 155   }
 156 ]
 157
 158 const videosRemoveValidator = [
 159   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 160
 161   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 162     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 163
 164     if (areValidationErrors(req, res)) return
 165     if (!await isVideoExist(req.params.id, res)) return
 166
 167     // Check if the user who did the request is able to delete the video
 168     if (!checkUserCanDeleteVideo(res.locals.oauth.token.User, res.locals.video, res)) return
 169
 170     return next()
 171   }
 172 ]
 173
 174 const videosSearchValidator = [
 175   param('value').not().isEmpty().withMessage('Should have a valid search'),
 176   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 177
 178   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 179     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 180
 181     if (areValidationErrors(req, res)) return
 182
 183     return next()
 184   }
 185 ]
 186
 187 const videoAbuseReportValidator = [
 188   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 189   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 190
 191   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 192     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 193
 194     if (areValidationErrors(req, res)) return
 195     if (!await isVideoExist(req.params.id, res)) return
 196
 197     return next()
 198   }
 199 ]
 200
 201 const videoRateValidator = [
 202   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 203   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 204
 205   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 206     logger.debug('Checking videoRate parameters', { parameters: req.body })
 207
 208     if (areValidationErrors(req, res)) return
 209     if (!await isVideoExist(req.params.id, res)) return
 210
 211     return next()
 212   }
 213 ]
 214
 215 const videosShareValidator = [
 216   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 217   param('accountId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid account id'),
 218
 219   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 220     logger.debug('Checking videoShare parameters', { parameters: req.params })
 221
 222     if (areValidationErrors(req, res)) return
 223     if (!await isVideoExist(req.params.id, res)) return
 224
 225     const share = await db.VideoShare.load(req.params.accountId, res.locals.video.id, undefined)
 226     if (!share) {
 227       return res.status(404)
 228         .end()
 229     }
 230
 231     res.locals.videoShare = share
 232     return next()
 233   }
 234 ]
 235
 236 // ---------------------------------------------------------------------------
 237
 238 export {
 239   videosAddValidator,
 240   videosUpdateValidator,
 241   videosGetValidator,
 242   videosRemoveValidator,
 243   videosSearchValidator,
 244   videosShareValidator,
 245
 246   videoAbuseReportValidator,
 247
 248   videoRateValidator
 249 }
 250
 251 // ---------------------------------------------------------------------------
 252
 253 function checkUserCanDeleteVideo (user: UserInstance, video: VideoInstance, res: express.Response) {
 254   // Retrieve the user who did the request
 255   if (video.isOwned() === false) {
 256     res.status(403)
 257               .json({ error: 'Cannot remove video of another server, blacklist it' })
 258               .end()
 259     return false
 260   }
 261
 262   // Check if the user can delete the video
 263   // The user can delete it if s/he is an admin
 264   // Or if s/he is the video's account
 265   const account = video.VideoChannel.Account
 266   if (user.hasRight(UserRight.REMOVE_ANY_VIDEO) === false && account.userId !== user.id) {
 267     res.status(403)
 268               .json({ error: 'Cannot remove video of another user' })
 269               .end()
 270     return false
 271   }
 272
 273   return true
 274 }