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 import { UserRight } from '../../../shared'
  26
  27 const videosAddValidator = [
  28   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  29     'This file is not supported. Please, make sure it is of the following type : '
  30     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  31   ),
  32   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  33   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  34   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  35   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  36   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  37   body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  38   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  39   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  40
  41   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  42     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  43
  44     checkErrors(req, res, () => {
  45       const videoFile: Express.Multer.File = req.files['videofile'][0]
  46       const user = res.locals.oauth.token.User
  47
  48       return db.VideoChannel.loadByIdAndAuthor(req.body.channelId, user.Author.id)
  49         .then(videoChannel => {
  50           if (!videoChannel) {
  51             res.status(400)
  52               .json({ error: 'Unknown video video channel for this author.' })
  53               .end()
  54
  55             return undefined
  56           }
  57
  58           res.locals.videoChannel = videoChannel
  59
  60           return user.isAbleToUploadVideo(videoFile)
  61         })
  62         .then(isAble => {
  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 undefined
  69           }
  70
  71           return getDurationFromVideoFile(videoFile.path)
  72             .catch(err => {
  73               logger.error('Invalid input file in videosAddValidator.', err)
  74               res.status(400)
  75                  .json({ error: 'Invalid input file.' })
  76                  .end()
  77
  78               return undefined
  79             })
  80         })
  81         .then(duration => {
  82           // Previous test failed, abort
  83           if (duration === undefined) return undefined
  84
  85           if (!isVideoDurationValid('' + duration)) {
  86             return res.status(400)
  87                       .json({
  88                         error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
  89                       })
  90                       .end()
  91           }
  92
  93           videoFile['duration'] = duration
  94           next()
  95         })
  96         .catch(err => {
  97           logger.error('Error in video add validator', err)
  98           res.sendStatus(500)
  99
 100           return undefined
 101         })
 102     })
 103   }
 104 ]
 105
 106 const videosUpdateValidator = [
 107   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 108   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
 109   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
 110   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
 111   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
 112   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
 113   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 114   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 115
 116   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 117     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 118
 119     checkErrors(req, res, () => {
 120       checkVideoExists(req.params.id, res, () => {
 121         // We need to make additional checks
 122         if (res.locals.video.isOwned() === false) {
 123           return res.status(403)
 124                     .json({ error: 'Cannot update video of another pod' })
 125                     .end()
 126         }
 127
 128         if (res.locals.video.VideoChannel.Author.userId !== res.locals.oauth.token.User.id) {
 129           return res.status(403)
 130                     .json({ error: 'Cannot update video of another user' })
 131                     .end()
 132         }
 133
 134         next()
 135       })
 136     })
 137   }
 138 ]
 139
 140 const videosGetValidator = [
 141   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 142
 143   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 144     logger.debug('Checking videosGet parameters', { parameters: req.params })
 145
 146     checkErrors(req, res, () => {
 147       checkVideoExists(req.params.id, res, next)
 148     })
 149   }
 150 ]
 151
 152 const videosRemoveValidator = [
 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 videosRemove parameters', { parameters: req.params })
 157
 158     checkErrors(req, res, () => {
 159       checkVideoExists(req.params.id, res, () => {
 160         // Check if the user who did the request is able to delete the video
 161         checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, () => {
 162           next()
 163         })
 164       })
 165     })
 166   }
 167 ]
 168
 169 const videosSearchValidator = [
 170   param('value').not().isEmpty().withMessage('Should have a valid search'),
 171   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 172
 173   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 174     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 175
 176     checkErrors(req, res, next)
 177   }
 178 ]
 179
 180 const videoAbuseReportValidator = [
 181   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 182   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 183
 184   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 185     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 186
 187     checkErrors(req, res, () => {
 188       checkVideoExists(req.params.id, res, next)
 189     })
 190   }
 191 ]
 192
 193 const videoRateValidator = [
 194   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 195   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 196
 197   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 198     logger.debug('Checking videoRate parameters', { parameters: req.body })
 199
 200     checkErrors(req, res, () => {
 201       checkVideoExists(req.params.id, res, next)
 202     })
 203   }
 204 ]
 205
 206 // ---------------------------------------------------------------------------
 207
 208 export {
 209   videosAddValidator,
 210   videosUpdateValidator,
 211   videosGetValidator,
 212   videosRemoveValidator,
 213   videosSearchValidator,
 214
 215   videoAbuseReportValidator,
 216
 217   videoRateValidator
 218 }
 219
 220 // ---------------------------------------------------------------------------
 221
 222 function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
 223   // Retrieve the user who did the request
 224   db.User.loadById(userId)
 225     .then(user => {
 226       if (res.locals.video.isOwned() === false) {
 227         return res.status(403)
 228                   .json({ error: 'Cannot remove video of another pod, blacklist it' })
 229                   .end()
 230       }
 231
 232       // Check if the user can delete the video
 233       // The user can delete it if s/he is an admin
 234       // Or if s/he is the video's author
 235       if (user.hasRight(UserRight.REMOVE_ANY_VIDEO) === false && res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
 236         return res.status(403)
 237                   .json({ error: 'Cannot remove video of another user' })
 238                   .end()
 239       }
 240
 241       // If we reach this comment, we can delete the video
 242       callback()
 243     })
 244     .catch(err => {
 245       logger.error('Error in video request validator.', err)
 246       return res.sendStatus(500)
 247     })
 248 }