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