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 { areValidationErrors, checkErrors } from './utils'
  28 import { isVideoExistsPromise } from '../../helpers/index'
  29
  30 const videosAddValidator = [
  31   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  32     'This file is not supported. Please, make sure it is of the following type : '
  33     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  34   ),
  35   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  36   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  37   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  38   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  39   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  40   body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  41   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  42   body('privacy').custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  43   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  44
  45   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  46     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  47
  48     checkErrors(req, res, () => {
  49       const videoFile: Express.Multer.File = req.files['videofile'][0]
  50       const user = res.locals.oauth.token.User
  51
  52       return db.VideoChannel.loadByIdAndAccount(req.body.channelId, user.Account.id)
  53         .then(videoChannel => {
  54           if (!videoChannel) {
  55             res.status(400)
  56               .json({ error: 'Unknown video video channel for this account.' })
  57               .end()
  58
  59             return undefined
  60           }
  61
  62           res.locals.videoChannel = videoChannel
  63
  64           return user.isAbleToUploadVideo(videoFile)
  65         })
  66         .then(isAble => {
  67           if (isAble === false) {
  68             res.status(403)
  69                .json({ error: 'The user video quota is exceeded with this video.' })
  70                .end()
  71
  72             return undefined
  73           }
  74
  75           return 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 undefined
  83             })
  84         })
  85         .then(duration => {
  86           // Previous test failed, abort
  87           if (duration === undefined) return undefined
  88
  89           if (!isVideoDurationValid('' + duration)) {
  90             return res.status(400)
  91                       .json({
  92                         error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
  93                       })
  94                       .end()
  95           }
  96
  97           videoFile['duration'] = duration
  98           next()
  99         })
 100         .catch(err => {
 101           logger.error('Error in video add validator', err)
 102           res.sendStatus(500)
 103
 104           return undefined
 105         })
 106     })
 107   }
 108 ]
 109
 110 const videosUpdateValidator = [
 111   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 112   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
 113   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
 114   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
 115   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
 116   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
 117   body('privacy').optional().custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
 118   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 119   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 120
 121   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 122     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 123
 124     checkErrors(req, res, () => {
 125       checkVideoExists(req.params.id, res, () => {
 126         const video = res.locals.video
 127
 128         // We need to make additional checks
 129         if (video.isOwned() === false) {
 130           return res.status(403)
 131                     .json({ error: 'Cannot update video of another server' })
 132                     .end()
 133         }
 134
 135         if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 136           return res.status(403)
 137                     .json({ error: 'Cannot update video of another user' })
 138                     .end()
 139         }
 140
 141         if (video.privacy !== VideoPrivacy.PRIVATE && req.body.privacy === VideoPrivacy.PRIVATE) {
 142           return res.status(409)
 143             .json({ error: 'Cannot set "private" a video that was not private anymore.' })
 144             .end()
 145         }
 146
 147         next()
 148       })
 149     })
 150   }
 151 ]
 152
 153 const videosGetValidator = [
 154   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 155
 156   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 157     logger.debug('Checking videosGet parameters', { parameters: req.params })
 158
 159     checkErrors(req, res, () => {
 160       checkVideoExists(req.params.id, res, () => {
 161         const video = res.locals.video
 162
 163         // Video is not private, anyone can access it
 164         if (video.privacy !== VideoPrivacy.PRIVATE) return next()
 165
 166         authenticate(req, res, () => {
 167           if (video.VideoChannel.Account.userId !== res.locals.oauth.token.User.id) {
 168             return res.status(403)
 169               .json({ error: 'Cannot get this private video of another user' })
 170               .end()
 171           }
 172
 173           next()
 174         })
 175       })
 176     })
 177   }
 178 ]
 179
 180 const videosRemoveValidator = [
 181   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 182
 183   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 184     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 185
 186     checkErrors(req, res, () => {
 187       checkVideoExists(req.params.id, res, () => {
 188         // Check if the user who did the request is able to delete the video
 189         checkUserCanDeleteVideo(res.locals.oauth.token.User, res, () => {
 190           next()
 191         })
 192       })
 193     })
 194   }
 195 ]
 196
 197 const videosSearchValidator = [
 198   param('value').not().isEmpty().withMessage('Should have a valid search'),
 199   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 200
 201   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 202     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 203
 204     checkErrors(req, res, next)
 205   }
 206 ]
 207
 208 const videoAbuseReportValidator = [
 209   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 210   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 211
 212   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 213     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 214
 215     checkErrors(req, res, () => {
 216       checkVideoExists(req.params.id, res, next)
 217     })
 218   }
 219 ]
 220
 221 const videoRateValidator = [
 222   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 223   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 224
 225   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 226     logger.debug('Checking videoRate parameters', { parameters: req.body })
 227
 228     checkErrors(req, res, () => {
 229       checkVideoExists(req.params.id, res, next)
 230     })
 231   }
 232 ]
 233
 234 const videosShareValidator = [
 235   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 236   param('accountId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid account id'),
 237
 238   async (req: express.Request, res: express.Response, next: express.NextFunction) => {
 239     logger.debug('Checking videoShare parameters', { parameters: req.params })
 240
 241     if (areValidationErrors(req, res)) return
 242     if (!await isVideoExistsPromise(req.params.id, res)) return
 243
 244     const share = await db.VideoShare.load(req.params.accountId, res.locals.video.id)
 245     if (!share) {
 246       return res.status(404)
 247         .end()
 248     }
 249
 250     res.locals.videoShare = share
 251
 252     return next()
 253   }
 254 ]
 255
 256 // ---------------------------------------------------------------------------
 257
 258 export {
 259   videosAddValidator,
 260   videosUpdateValidator,
 261   videosGetValidator,
 262   videosRemoveValidator,
 263   videosSearchValidator,
 264   videosShareValidator,
 265
 266   videoAbuseReportValidator,
 267
 268   videoRateValidator
 269 }
 270
 271 // ---------------------------------------------------------------------------
 272
 273 function checkUserCanDeleteVideo (user: UserInstance, res: express.Response, callback: () => void) {
 274   // Retrieve the user who did the request
 275   if (res.locals.video.isOwned() === false) {
 276     return res.status(403)
 277               .json({ error: 'Cannot remove video of another server, blacklist it' })
 278               .end()
 279   }
 280
 281   // Check if the user can delete the video
 282   // The user can delete it if s/he is an admin
 283   // Or if s/he is the video's account
 284   const account = res.locals.video.VideoChannel.Account
 285   if (user.hasRight(UserRight.REMOVE_ANY_VIDEO) === false && account.userId !== user.id) {
 286     return res.status(403)
 287               .json({ error: 'Cannot remove video of another user' })
 288               .end()
 289   }
 290
 291   // If we reach this comment, we can delete the video
 292   callback()
 293 }