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   isVideoPrivacyValid
  25 } from '../../helpers'
  26 import { UserRight, VideoPrivacy } from '../../../shared'
  27
  28 const videosAddValidator = [
  29   body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage(
  30     'This file is not supported. Please, make sure it is of the following type : '
  31     + CONSTRAINTS_FIELDS.VIDEOS.EXTNAME.join(', ')
  32   ),
  33   body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
  34   body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
  35   body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
  36   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
  37   body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
  38   body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
  39   body('channelId').custom(isIdValid).withMessage('Should have correct video channel id'),
  40   body('privacy').custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
  41   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
  42
  43   (req: express.Request, res: express.Response, next: express.NextFunction) => {
  44     logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
  45
  46     checkErrors(req, res, () => {
  47       const videoFile: Express.Multer.File = req.files['videofile'][0]
  48       const user = res.locals.oauth.token.User
  49
  50       return db.VideoChannel.loadByIdAndAuthor(req.body.channelId, user.Author.id)
  51         .then(videoChannel => {
  52           if (!videoChannel) {
  53             res.status(400)
  54               .json({ error: 'Unknown video video channel for this author.' })
  55               .end()
  56
  57             return undefined
  58           }
  59
  60           res.locals.videoChannel = videoChannel
  61
  62           return user.isAbleToUploadVideo(videoFile)
  63         })
  64         .then(isAble => {
  65           if (isAble === false) {
  66             res.status(403)
  67                .json({ error: 'The user video quota is exceeded with this video.' })
  68                .end()
  69
  70             return undefined
  71           }
  72
  73           return getDurationFromVideoFile(videoFile.path)
  74             .catch(err => {
  75               logger.error('Invalid input file in videosAddValidator.', err)
  76               res.status(400)
  77                  .json({ error: 'Invalid input file.' })
  78                  .end()
  79
  80               return undefined
  81             })
  82         })
  83         .then(duration => {
  84           // Previous test failed, abort
  85           if (duration === undefined) return undefined
  86
  87           if (!isVideoDurationValid('' + duration)) {
  88             return res.status(400)
  89                       .json({
  90                         error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
  91                       })
  92                       .end()
  93           }
  94
  95           videoFile['duration'] = duration
  96           next()
  97         })
  98         .catch(err => {
  99           logger.error('Error in video add validator', err)
 100           res.sendStatus(500)
 101
 102           return undefined
 103         })
 104     })
 105   }
 106 ]
 107
 108 const videosUpdateValidator = [
 109   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 110   body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
 111   body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
 112   body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
 113   body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
 114   body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
 115   body('privacy').custom(isVideoPrivacyValid).withMessage('Should have correct video privacy'),
 116   body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
 117   body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
 118
 119   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 120     logger.debug('Checking videosUpdate parameters', { parameters: req.body })
 121
 122     checkErrors(req, res, () => {
 123       checkVideoExists(req.params.id, res, () => {
 124         const video = res.locals.video
 125
 126         // We need to make additional checks
 127         if (video.isOwned() === false) {
 128           return res.status(403)
 129                     .json({ error: 'Cannot update video of another pod' })
 130                     .end()
 131         }
 132
 133         if (video.VideoChannel.Author.userId !== res.locals.oauth.token.User.id) {
 134           return res.status(403)
 135                     .json({ error: 'Cannot update video of another user' })
 136                     .end()
 137         }
 138
 139         if (video.privacy !== VideoPrivacy.PRIVATE && req.body.privacy === VideoPrivacy.PRIVATE) {
 140           return res.status(409)
 141             .json({ error: 'Cannot set "private" a video that was not private anymore.' })
 142             .end()
 143         }
 144
 145         next()
 146       })
 147     })
 148   }
 149 ]
 150
 151 const videosGetValidator = [
 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 videosGet parameters', { parameters: req.params })
 156
 157     checkErrors(req, res, () => {
 158       checkVideoExists(req.params.id, res, next)
 159     })
 160   }
 161 ]
 162
 163 const videosRemoveValidator = [
 164   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 165
 166   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 167     logger.debug('Checking videosRemove parameters', { parameters: req.params })
 168
 169     checkErrors(req, res, () => {
 170       checkVideoExists(req.params.id, res, () => {
 171         // Check if the user who did the request is able to delete the video
 172         checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, () => {
 173           next()
 174         })
 175       })
 176     })
 177   }
 178 ]
 179
 180 const videosSearchValidator = [
 181   param('value').not().isEmpty().withMessage('Should have a valid search'),
 182   query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
 183
 184   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 185     logger.debug('Checking videosSearch parameters', { parameters: req.params })
 186
 187     checkErrors(req, res, next)
 188   }
 189 ]
 190
 191 const videoAbuseReportValidator = [
 192   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 193   body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
 194
 195   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 196     logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
 197
 198     checkErrors(req, res, () => {
 199       checkVideoExists(req.params.id, res, next)
 200     })
 201   }
 202 ]
 203
 204 const videoRateValidator = [
 205   param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
 206   body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
 207
 208   (req: express.Request, res: express.Response, next: express.NextFunction) => {
 209     logger.debug('Checking videoRate parameters', { parameters: req.body })
 210
 211     checkErrors(req, res, () => {
 212       checkVideoExists(req.params.id, res, next)
 213     })
 214   }
 215 ]
 216
 217 // ---------------------------------------------------------------------------
 218
 219 export {
 220   videosAddValidator,
 221   videosUpdateValidator,
 222   videosGetValidator,
 223   videosRemoveValidator,
 224   videosSearchValidator,
 225
 226   videoAbuseReportValidator,
 227
 228   videoRateValidator
 229 }
 230
 231 // ---------------------------------------------------------------------------
 232
 233 function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
 234   // Retrieve the user who did the request
 235   db.User.loadById(userId)
 236     .then(user => {
 237       if (res.locals.video.isOwned() === false) {
 238         return res.status(403)
 239                   .json({ error: 'Cannot remove video of another pod, blacklist it' })
 240                   .end()
 241       }
 242
 243       // Check if the user can delete the video
 244       // The user can delete it if s/he is an admin
 245       // Or if s/he is the video's author
 246       if (user.hasRight(UserRight.REMOVE_ANY_VIDEO) === false && res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
 247         return res.status(403)
 248                   .json({ error: 'Cannot remove video of another user' })
 249                   .end()
 250       }
 251
 252       // If we reach this comment, we can delete the video
 253       callback()
 254     })
 255     .catch(err => {
 256       logger.error('Error in video request validator.', err)
 257       return res.sendStatus(500)
 258     })
 259 }