PeerTube/server/middlewares/validators/videos.ts

215 lines
7.9 KiB
TypeScript

import 'express-validator'
import * as express from 'express'
import * as Promise from 'bluebird'
import * as validator from 'validator'
import { database as db } from '../../initializers/database'
import { checkErrors } from './utils'
import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
import { logger, isVideoDurationValid } from '../../helpers'
import { VideoInstance } from '../../models'
function videosAddValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
// FIXME: Don't write an error message, it seems there is a bug with express-validator
// 'Should have a valid file'
req.checkBody('videofile').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, () => {
const videoFile = req.files['videofile'][0]
db.Video.getDurationFromFile(videoFile.path)
.then(duration => {
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()
})
.catch(err => {
logger.error('Error in getting duration from file.', err)
res.status(400).send('Cannot retrieve metadata of the file.')
})
})
}
function videosUpdateValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
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, () => {
checkVideoExists(req.params.id, res, () => {
// 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: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
logger.debug('Checking videosGet parameters', { parameters: req.params })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
function videosRemoveValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
logger.debug('Checking videosRemove parameters', { parameters: req.params })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, () => {
// 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, () => {
next()
})
})
})
}
function videosSearchValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
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: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
req.checkBody('reason', 'Should have a valid reason').isVideoAbuseReasonValid()
logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
function videoRateValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
req.checkBody('rating', 'Should have a valid rate type').isVideoRatingTypeValid()
logger.debug('Checking videoRate parameters', { parameters: req.body })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
function videosBlacklistValidator (req: express.Request, res: express.Response, next: express.NextFunction) {
req.checkParams('id', 'Should have a valid id').notEmpty().isVideoIdOrUUIDValid()
logger.debug('Checking videosBlacklist parameters', { parameters: req.params })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, () => {
checkVideoIsBlacklistable(req, res, next)
})
})
}
// ---------------------------------------------------------------------------
export {
videosAddValidator,
videosUpdateValidator,
videosGetValidator,
videosRemoveValidator,
videosSearchValidator,
videoAbuseReportValidator,
videoRateValidator,
videosBlacklistValidator
}
// ---------------------------------------------------------------------------
function checkVideoExists (id: string, res: express.Response, callback: () => void) {
let promise: Promise<VideoInstance>
if (validator.isInt(id)) {
promise = db.Video.loadAndPopulateAuthorAndPodAndTags(+id)
} else { // UUID
promise = db.Video.loadByUUIDAndPopulateAuthorAndPodAndTags(id)
}
promise.then(video => {
if (!video) return res.status(404).send('Video not found')
res.locals.video = video
callback()
})
.catch(err => {
logger.error('Error in video request validator.', err)
return res.sendStatus(500)
})
}
function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
// Retrieve the user who did the request
db.User.loadById(userId)
.then(user => {
// 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()
})
.catch(err => {
logger.error('Error in video request validator.', err)
return res.sendStatus(500)
})
}
function checkVideoIsBlacklistable (req: express.Request, res: express.Response, callback: () => void) {
if (res.locals.video.isOwned() === true) {
return res.status(403).send('Cannot blacklist a local video')
}
callback()
}