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   checkVideoExists,
   7   isVideoAbuseReasonValid,
   8   isVideoCategoryValid,
   9   isVideoDescriptionValid,
  10   isVideoDurationValid,
  11   isVideoFile,
  12   isVideoLanguageValid,
  13   isVideoLicenceValid,
  14   isVideoNameValid,
  15   isVideoNSFWValid,
  16   isVideoPrivacyValid,
  17   isVideoRatingTypeValid,
  18   isVideoTagsValid
  19 } from '../../helpers/custom-validators/videos'
  20 import { getDurationFromVideoFile } from '../../helpers/ffmpeg-utils'
  21 import { logger } from '../../helpers/logger'
  22 import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
  23
  24 import { database as db } from '../../initializers/database'
  25 import { UserInstance } from '../../models/account/user-interface'
  26 import { authenticate } from '../oauth'
  27 import { checkErrors } 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').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  36   body('licence').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').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   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  45     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  46
  47     checkErrors(req, res, () => {
  48       const videoFile: Express.Multer.File = req.files['videofile'][0]
  49       const user = res.locals.oauth.token.User
  50
  51       return db.VideoChannel.loadByIdAndAccount(req.body.channelId, user.Account.id)
  52         .then(videoChannel => {
  53           if (!videoChannel) {
  54             res.status(400)
  55               .json({ error: 'Unknown video video channel for this account.' })
  56               .end()
  57
  58             return undefined
  59           }
  60
  61           res.locals.videoChannel = videoChannel
  62
  63           return user.isAbleToUploadVideo(videoFile)
  64         })
  65         .then(isAble => {
  66           if (isAble === false) {
  67             res.status(403)
  68                .json({ error: 'The user video quota is exceeded with this video.' })
  69                .end()
  70
  71             return undefined
  72           }
  73
  74           return 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 undefined
  82             })
  83         })
  84         .then(duration => {
  85           // Previous test failed, abort
  86           if (duration === undefined) return undefined
  87
  88           if (!isVideoDurationValid('' + duration)) {
  89             return res.status(400)
  90                       .json({
  91                         error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
  92                       })
  93                       .end()
  94           }
  95
  96           videoFile['duration'] = duration
  97           next()
  98         })
  99         .catch(err => {
 100           logger.error('Error in video add validator', err)
 101           res.sendStatus(500)
 102
 103           return undefined
 104         })
 105     })
 106   }
 107 ]
 108
 109 const videosUpdateValidator = [
 110   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 111   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
 112   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
 113   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
 114   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
 115   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
 116   body('privacy').optional().custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
 117   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 118   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 119
 120   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 121     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 122
 123     checkErrors(req, res, () => {
 124       checkVideoExists(req.params.id, res, () => {
 125         const video = res.locals.video
 126
 127         // We need to make additional checks
 128         if (video.isOwned() === false) {
 129           return res.status(403)
 130                     .json({ error: 'Cannot update video of another server' })
 131                     .end()
 132         }
 133
 134         if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 135           return res.status(403)
 136                     .json({ error: 'Cannot update video of another user' })
 137                     .end()
 138         }
 139
 140         if (video.privacy !== VideoPrivacy.PRIVATE && req.body.privacy === VideoPrivacy.PRIVATE) {
 141           return res.status(409)
 142             .json({ error: 'Cannot set "private" a video that was not private anymore.' })
 143             .end()
 144         }
 145
 146         next()
 147       })
 148     })
 149   }
 150 ]
 151
 152 const videosGetValidator = [
 153   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 154
 155   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 156     logger.debug('Checking videosGet parameters', { parameters: req.params })
 157
 158     checkErrors(req, res, () => {
 159       checkVideoExists(req.params.id, res, () => {
 160         const video = res.locals.video
 161
 162         // Video is not private, anyone can access it
 163         if (video.privacy !== VideoPrivacy.PRIVATE) return next()
 164
 165         authenticate(req, res, () => {
 166           if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 167             return res.status(403)
 168               .json({ error: 'Cannot get this private video of another user' })
 169               .end()
 170           }
 171
 172           next()
 173         })
 174       })
 175     })
 176   }
 177 ]
 178
 179 const videosRemoveValidator = [
 180   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 181
 182   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 183     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 184
 185     checkErrors(req, res, () => {
 186       checkVideoExists(req.params.id, res, () => {
 187         // Check if the user who did the request is able to delete the video
 188         checkUserCanDeleteVideo(res.locals.oauth.token.User, res, () => {
 189           next()
 190         })
 191       })
 192     })
 193   }
 194 ]
 195
 196 const videosSearchValidator = [
 197   param('value').not().isEmpty().withMessage('Should have a valid search'),
 198   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 199
 200   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 201     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 202
 203     checkErrors(req, res, next)
 204   }
 205 ]
 206
 207 const videoAbuseReportValidator = [
 208   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 209   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 210
 211   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 212     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 213
 214     checkErrors(req, res, () => {
 215       checkVideoExists(req.params.id, res, next)
 216     })
 217   }
 218 ]
 219
 220 const videoRateValidator = [
 221   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 222   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 223
 224   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 225     logger.debug('Checking videoRate parameters', { parameters: req.body })
 226
 227     checkErrors(req, res, () => {
 228       checkVideoExists(req.params.id, res, next)
 229     })
 230   }
 231 ]
 232
 233 // ---------------------------------------------------------------------------
 234
 235 export {
 236   videosAddValidator,
 237   videosUpdateValidator,
 238   videosGetValidator,
 239   videosRemoveValidator,
 240   videosSearchValidator,
 241
 242   videoAbuseReportValidator,
 243
 244   videoRateValidator
 245 }
 246
 247 // ---------------------------------------------------------------------------
 248
 249 function checkUserCanDeleteVideo (user: UserInstance, res: express.Response, callback: () => void) {
 250   // Retrieve the user who did the request
 251   if (res.locals.video.isOwned() === false) {
 252     return res.status(403)
 253               .json({ error: 'Cannot remove video of another server, blacklist it' })
 254               .end()
 255   }
 256
 257   // Check if the user can delete the video
 258   // The user can delete it if s/he is an admin
 259   // Or if s/he is the video's account
 260   const account = res.locals.video.VideoChannel.Account
 261   if (user.hasRight(UserRight.REMOVE_ANY_VIDEO) === false && account.userId !== user.id) {
 262     return res.status(403)
 263               .json({ error: 'Cannot remove video of another user' })
 264               .end()
 265   }
 266
 267   // If we reach this comment, we can delete the video
 268   callback()
 269 }