1 files changed, 199 insertions, 0 deletions

diff --git a/server/middlewares/validators/videos.ts b/server/middlewares/validators/videos.ts
new file mode 100644
index 000000000..5a49cf73c
--- /dev/null
+++ b/server/middlewares/validators/videos.ts
@@ -0,0 +1,199 @@
+const db = require('../../initializers/database')
+import { checkErrors } from './utils'
+import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
+import { logger, isVideoDurationValid } from '../../helpers'
+
+function videosAddValidator (req, res, next) {
+  req.checkBody('videofile', 'Should have a valid file').isVideoFile(req.files)
+  req.checkBody('name', 'Should have a valid name').isVideoNameValid()
+  req.checkBody('category', 'Should have a valid category').isVideoCategoryValid()
+  req.checkBody('licence', 'Should have a valid licence').isVideoLicenceValid()
+  req.checkBody('language', 'Should have a valid language').optional().isVideoLanguageValid()
+  req.checkBody('nsfw', 'Should have a valid NSFW attribute').isVideoNSFWValid()
+  req.checkBody('description', 'Should have a valid description').isVideoDescriptionValid()
+  req.checkBody('tags', 'Should have correct tags').optional().isVideoTagsValid()
+
+  logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
+
+  checkErrors(req, res, function () {
+    const videoFile = req.files.videofile[0]
+
+    db.Video.getDurationFromFile(videoFile.path, function (err, duration) {
+      if (err) {
+        return res.status(400).send('Cannot retrieve metadata of the file.')
+      }
+
+      if (!isVideoDurationValid(duration)) {
+        return res.status(400).send('Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).')
+      }
+
+      videoFile.duration = duration
+      next()
+    })
+  })
+}
+
+function videosUpdateValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+  req.checkBody('name', 'Should have a valid name').optional().isVideoNameValid()
+  req.checkBody('category', 'Should have a valid category').optional().isVideoCategoryValid()
+  req.checkBody('licence', 'Should have a valid licence').optional().isVideoLicenceValid()
+  req.checkBody('language', 'Should have a valid language').optional().isVideoLanguageValid()
+  req.checkBody('nsfw', 'Should have a valid NSFW attribute').optional().isVideoNSFWValid()
+  req.checkBody('description', 'Should have a valid description').optional().isVideoDescriptionValid()
+  req.checkBody('tags', 'Should have correct tags').optional().isVideoTagsValid()
+
+  logger.debug('Checking videosUpdate parameters', { parameters: req.body })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, function () {
+      // We need to make additional checks
+      if (res.locals.video.isOwned() === false) {
+        return res.status(403).send('Cannot update video of another pod')
+      }
+
+      if (res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
+        return res.status(403).send('Cannot update video of another user')
+      }
+
+      next()
+    })
+  })
+}
+
+function videosGetValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+
+  logger.debug('Checking videosGet parameters', { parameters: req.params })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, next)
+  })
+}
+
+function videosRemoveValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+
+  logger.debug('Checking videosRemove parameters', { parameters: req.params })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, function () {
+      // We need to make additional checks
+
+      // Check if the user who did the request is able to delete the video
+      checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, function () {
+        next()
+      })
+    })
+  })
+}
+
+function videosSearchValidator (req, res, next) {
+  const searchableColumns = SEARCHABLE_COLUMNS.VIDEOS
+  req.checkParams('value', 'Should have a valid search').notEmpty()
+  req.checkQuery('field', 'Should have correct searchable column').optional().isIn(searchableColumns)
+
+  logger.debug('Checking videosSearch parameters', { parameters: req.params })
+
+  checkErrors(req, res, next)
+}
+
+function videoAbuseReportValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+  req.checkBody('reason', 'Should have a valid reason').isVideoAbuseReasonValid()
+
+  logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, next)
+  })
+}
+
+function videoRateValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+  req.checkBody('rating', 'Should have a valid rate type').isVideoRatingTypeValid()
+
+  logger.debug('Checking videoRate parameters', { parameters: req.body })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, next)
+  })
+}
+
+function videosBlacklistValidator (req, res, next) {
+  req.checkParams('id', 'Should have a valid id').notEmpty().isUUID(4)
+
+  logger.debug('Checking videosBlacklist parameters', { parameters: req.params })
+
+  checkErrors(req, res, function () {
+    checkVideoExists(req.params.id, res, function () {
+      checkVideoIsBlacklistable(req, res, next)
+    })
+  })
+}
+
+// ---------------------------------------------------------------------------
+
+export {
+  videosAddValidator,
+  videosUpdateValidator,
+  videosGetValidator,
+  videosRemoveValidator,
+  videosSearchValidator,
+
+  videoAbuseReportValidator,
+
+  videoRateValidator,
+
+  videosBlacklistValidator
+}
+
+// ---------------------------------------------------------------------------
+
+function checkVideoExists (id, res, callback) {
+  db.Video.loadAndPopulateAuthorAndPodAndTags(id, function (err, video) {
+    if (err) {
+      logger.error('Error in video request validator.', { error: err })
+      return res.sendStatus(500)
+    }
+
+    if (!video) return res.status(404).send('Video not found')
+
+    res.locals.video = video
+    callback()
+  })
+}
+
+function checkUserCanDeleteVideo (userId, res, callback) {
+  // Retrieve the user who did the request
+  db.User.loadById(userId, function (err, user) {
+    if (err) {
+      logger.error('Error in video request validator.', { error: err })
+      return res.sendStatus(500)
+    }
+
+    // Check if the user can delete the video
+    // The user can delete it if s/he is an admin
+    // Or if s/he is the video's author
+    if (user.isAdmin() === false) {
+      if (res.locals.video.isOwned() === false) {
+        return res.status(403).send('Cannot remove video of another pod')
+      }
+
+      if (res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
+        return res.status(403).send('Cannot remove video of another user')
+      }
+    }
+
+    // If we reach this comment, we can delete the video
+    callback()
+  })
+}
+
+function checkVideoIsBlacklistable (req, res, callback) {
+  if (res.locals.video.isOwned() === true) {
+    return res.status(403).send('Cannot blacklist a local video')
+  }
+
+  callback()
+}