server/middlewares/validators/videos.ts

   1 import * as express from 'express'
   2 import 'express-validator'
   3 import { body, param, query } from 'express-validator/check'
   4 import { UserRight, VideoPrivacy } from '../../../shared'
   5 import { getDurationFromVideoFile, logger } from '../../helpers'
   6 import { isIdOrUUIDValid, isIdValid } from '../../helpers/custom-validators/misc'
   7 import {
   8   isVideoAbuseReasonValid,
   9   isVideoCategoryValid,
  10   isVideoDescriptionValid,
  11   isVideoExist,
  12   isVideoFile,
  13   isVideoLanguageValid,
  14   isVideoLicenceValid,
  15   isVideoNameValid,
  16   isVideoNSFWValid,
  17   isVideoPrivacyValid,
  18   isVideoRatingTypeValid,
  19   isVideoTagsValid
  20 } from '../../helpers/custom-validators/videos'
  21 import { CONSTRAINTS_FIELDS } from '../../initializers'
  22 import { UserModel } from '../../models/account/user'
  23 import { VideoModel } from '../../models/video/video'
  24 import { VideoChannelModel } from '../../models/video/video-channel'
  25 import { VideoShareModel } from '../../models/video/video-share'
  26 import { authenticate } from '../oauth'
  27 import { areValidationErrors } from './utils'
  28
  29 const videosAddValidator = [
  30   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  31     'This file is not supported. Please, make sure it is of the following type : '
  32     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  33   ),
  34   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  35   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  36   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  37   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  38   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  39   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  40   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  41   body('privacy').custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  42   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  43
  44   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
  45     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  46
  47     if (areValidationErrors(req, res)) return
  48
  49     const videoFile: Express.Multer.File = req.files['videofile'][0]
  50     const user = res.locals.oauth.token.User
  51
  52     const videoChannel = await VideoChannelModel.loadByIdAndAccount(req.body.channelId, user.Account.id)
  53     if (!videoChannel) {
  54       res.status(400)
  55         .json({ error: 'Unknown video video channel for this account.' })
  56         .end()
  57
  58       return
  59     }
  60
  61     res.locals.videoChannel = videoChannel
  62
  63     const isAble = await user.isAbleToUploadVideo(videoFile)
  64     if (isAble === false) {
  65       res.status(403)
  66          .json({ error: 'The user video quota is exceeded with this video.' })
  67          .end()
  68
  69       return
  70     }
  71
  72     let duration: number
  73
  74     try {
  75       duration = await getDurationFromVideoFile(videoFile.path)
  76     } catch (err) {
  77       logger.error('Invalid input file in videosAddValidator.', err)
  78       res.status(400)
  79          .json({ error: 'Invalid input file.' })
  80          .end()
  81
  82       return
  83     }
  84
  85     videoFile['duration'] = duration
  86
  87     return next()
  88   }
  89 ]
  90
  91 const videosUpdateValidator = [
  92   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
  93   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
  94   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  95   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  96   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  97   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  98   body('privacy').optional().custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  99   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 100   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 101
 102   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 103     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 104
 105     if (areValidationErrors(req, res)) return
 106     if (!await isVideoExist(req.params.id, res)) return
 107
 108     const video = res.locals.video
 109
 110     // We need to make additional checks
 111     if (video.isOwned() === false) {
 112       return res.status(403)
 113                 .json({ error: 'Cannot update video of another server' })
 114                 .end()
 115     }
 116
 117     if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 118       return res.status(403)
 119                 .json({ error: 'Cannot update video of another user' })
 120                 .end()
 121     }
 122
 123     if (video.privacy !== VideoPrivacy.PRIVATE && req.body.privacy === VideoPrivacy.PRIVATE) {
 124       return res.status(409)
 125         .json({ error: 'Cannot set "private" a video that was not private anymore.' })
 126         .end()
 127     }
 128
 129     return next()
 130   }
 131 ]
 132
 133 const videosGetValidator = [
 134   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 135
 136   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 137     logger.debug('Checking videosGet parameters', { parameters: req.params })
 138
 139     if (areValidationErrors(req, res)) return
 140     if (!await isVideoExist(req.params.id, res)) return
 141
 142     const video = res.locals.video
 143
 144     // Video is not private, anyone can access it
 145     if (video.privacy !== VideoPrivacy.PRIVATE) return next()
 146
 147     authenticate(req, res, () => {
 148       if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 149         return res.status(403)
 150           .json({ error: 'Cannot get this private video of another user' })
 151           .end()
 152       }
 153
 154       return next()
 155     })
 156   }
 157 ]
 158
 159 const videosRemoveValidator = [
 160   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 161
 162   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 163     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 164
 165     if (areValidationErrors(req, res)) return
 166     if (!await isVideoExist(req.params.id, res)) return
 167
 168     // Check if the user who did the request is able to delete the video
 169     if (!checkUserCanDeleteVideo(res.locals.oauth.token.User, res.locals.video, res)) return
 170
 171     return next()
 172   }
 173 ]
 174
 175 const videosSearchValidator = [
 176   query('search').not().isEmpty().withMessage('Should have a valid search'),
 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 VideoShareModel.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: UserModel, video: VideoModel, 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 }