server/middlewares/validators/videos.ts

   1 import { body, param, query } from 'express-validator/check'
   2 import * as express from 'express'
   3
   4 import { database as db } from '../../initializers/database'
   5 import { checkErrors } from './utils'
   6 import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
   7 import {
   8   logger,
   9   isVideoDurationValid,
  10   isVideoFile,
  11   isVideoNameValid,
  12   isVideoCategoryValid,
  13   isVideoLicenceValid,
  14   isVideoDescriptionValid,
  15   isVideoLanguageValid,
  16   isVideoTagsValid,
  17   isVideoNSFWValid,
  18   isIdOrUUIDValid,
  19   isVideoAbuseReasonValid,
  20   isVideoRatingTypeValid,
  21   getDurationFromVideoFile,
  22   checkVideoExists,
  23   isIdValid
  24 } from '../../helpers'
  25
  26 const videosAddValidator = [
  27   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  28     'This file is not supported. Please, make sure it is of the following type : '
  29     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  30   ),
  31   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  32   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  33   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  34   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  35   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  36   body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  37   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  38   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  39
  40   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  41     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  42
  43     checkErrors(req, res, () => {
  44       const videoFile: Express.Multer.File = req.files['videofile'][0]
  45       const user = res.locals.oauth.token.User
  46
  47       return db.VideoChannel.loadByIdAndAuthor(req.body.channelId, user.Author.id)
  48         .then(videoChannel => {
  49           if (!videoChannel) {
  50             res.status(400)
  51               .json({ error: 'Unknown video video channel for this author.' })
  52               .end()
  53
  54             return undefined
  55           }
  56
  57           res.locals.videoChannel = videoChannel
  58
  59           return user.isAbleToUploadVideo(videoFile)
  60         })
  61         .then(isAble => {
  62           if (isAble === false) {
  63             res.status(403)
  64                .json({ error: 'The user video quota is exceeded with this video.' })
  65                .end()
  66
  67             return undefined
  68           }
  69
  70           return getDurationFromVideoFile(videoFile.path)
  71             .catch(err => {
  72               logger.error('Invalid input file in videosAddValidator.', err)
  73               res.status(400)
  74                  .json({ error: 'Invalid input file.' })
  75                  .end()
  76
  77               return undefined
  78             })
  79         })
  80         .then(duration => {
  81           // Previous test failed, abort
  82           if (duration === undefined) return undefined
  83
  84           if (!isVideoDurationValid('' + duration)) {
  85             return res.status(400)
  86                       .json({
  87                         error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
  88                       })
  89                       .end()
  90           }
  91
  92           videoFile['duration'] = duration
  93           next()
  94         })
  95         .catch(err => {
  96           logger.error('Error in video add validator', err)
  97           res.sendStatus(500)
  98
  99           return undefined
 100         })
 101     })
 102   }
 103 ]
 104
 105 const videosUpdateValidator = [
 106   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 107   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
 108   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
 109   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
 110   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
 111   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
 112   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 113   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 114
 115   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 116     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 117
 118     checkErrors(req, res, () => {
 119       checkVideoExists(req.params.id, res, () => {
 120         // We need to make additional checks
 121         if (res.locals.video.isOwned() === false) {
 122           return res.status(403)
 123                     .json({ error: 'Cannot update video of another pod' })
 124                     .end()
 125         }
 126
 127         if (res.locals.video.VideoChannel.Author.userId !== res.locals.oauth.token.User.id) {
 128           return res.status(403)
 129                     .json({ error: 'Cannot update video of another user' })
 130                     .end()
 131         }
 132
 133         next()
 134       })
 135     })
 136   }
 137 ]
 138
 139 const videosGetValidator = [
 140   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 141
 142   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 143     logger.debug('Checking videosGet parameters', { parameters: req.params })
 144
 145     checkErrors(req, res, () => {
 146       checkVideoExists(req.params.id, res, next)
 147     })
 148   }
 149 ]
 150
 151 const videosRemoveValidator = [
 152   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 153
 154   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 155     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 156
 157     checkErrors(req, res, () => {
 158       checkVideoExists(req.params.id, res, () => {
 159         // Check if the user who did the request is able to delete the video
 160         checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, () => {
 161           next()
 162         })
 163       })
 164     })
 165   }
 166 ]
 167
 168 const videosSearchValidator = [
 169   param('value').not().isEmpty().withMessage('Should have a valid search'),
 170   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 171
 172   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 173     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 174
 175     checkErrors(req, res, next)
 176   }
 177 ]
 178
 179 const videoAbuseReportValidator = [
 180   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 181   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 182
 183   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 184     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 185
 186     checkErrors(req, res, () => {
 187       checkVideoExists(req.params.id, res, next)
 188     })
 189   }
 190 ]
 191
 192 const videoRateValidator = [
 193   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 194   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 195
 196   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 197     logger.debug('Checking videoRate parameters', { parameters: req.body })
 198
 199     checkErrors(req, res, () => {
 200       checkVideoExists(req.params.id, res, next)
 201     })
 202   }
 203 ]
 204
 205 // ---------------------------------------------------------------------------
 206
 207 export {
 208   videosAddValidator,
 209   videosUpdateValidator,
 210   videosGetValidator,
 211   videosRemoveValidator,
 212   videosSearchValidator,
 213
 214   videoAbuseReportValidator,
 215
 216   videoRateValidator
 217 }
 218
 219 // ---------------------------------------------------------------------------
 220
 221 function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
 222   // Retrieve the user who did the request
 223   db.User.loadById(userId)
 224     .then(user => {
 225       if (res.locals.video.isOwned() === false) {
 226         return res.status(403)
 227                   .json({ error: 'Cannot remove video of another pod, blacklist it' })
 228                   .end()
 229       }
 230
 231       // Check if the user can delete the video
 232       // The user can delete it if s/he is an admin
 233       // Or if s/he is the video's author
 234       if (user.isAdmin() === false && res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
 235         return res.status(403)
 236                   .json({ error: 'Cannot remove video of another user' })
 237                   .end()
 238       }
 239
 240       // If we reach this comment, we can delete the video
 241       callback()
 242     })
 243     .catch(err => {
 244       logger.error('Error in video request validator.', err)
 245       return res.sendStatus(500)
 246     })
 247 }