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import { body, param, query } from 'express-validator/check'
import * as express from 'express'
import { database as db } from '../../initializers/database'
import { checkErrors } from './utils'
import { CONSTRAINTS_FIELDS, SEARCHABLE_COLUMNS } from '../../initializers'
import {
logger,
isVideoDurationValid,
isVideoFile,
isVideoNameValid,
isVideoCategoryValid,
isVideoLicenceValid,
isVideoDescriptionValid,
isVideoLanguageValid,
isVideoTagsValid,
isVideoNSFWValid,
isVideoIdOrUUIDValid,
isVideoAbuseReasonValid,
isVideoRatingTypeValid,
getDurationFromVideoFile,
checkVideoExists
} from '../../helpers'
const videosAddValidator = [
body('videofile').custom((value, { req }) => isVideoFile(req.files)).withMessage('Should have a valid file'),
body('name').custom(isVideoNameValid).withMessage('Should have a valid name'),
body('category').custom(isVideoCategoryValid).withMessage('Should have a valid category'),
body('licence').custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
body('nsfw').custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
body('description').custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videosAdd parameters', { parameters: req.body, files: req.files })
checkErrors(req, res, () => {
const videoFile: Express.Multer.File = req.files['videofile'][0]
const user = res.locals.oauth.token.User
user.isAbleToUploadVideo(videoFile)
.then(isAble => {
if (isAble === false) {
res.status(403)
.json({ error: 'The user video quota is exceeded with this video.' })
.end()
return undefined
}
return getDurationFromVideoFile(videoFile.path)
.catch(err => {
logger.error('Invalid input file in videosAddValidator.', err)
res.status(400)
.json({ error: 'Invalid input file.' })
.end()
return undefined
})
})
.then(duration => {
// Previous test failed, abort
if (duration === undefined) return
if (!isVideoDurationValid('' + duration)) {
return res.status(400)
.json({
error: 'Duration of the video file is too big (max: ' + CONSTRAINTS_FIELDS.VIDEOS.DURATION.max + 's).'
})
.end()
}
videoFile['duration'] = duration
next()
})
.catch(err => {
logger.error('Error in video add validator', err)
res.sendStatus(500)
return undefined
})
})
}
]
const videosUpdateValidator = [
param('id').custom(isVideoIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
body('name').optional().custom(isVideoNameValid).withMessage('Should have a valid name'),
body('category').optional().custom(isVideoCategoryValid).withMessage('Should have a valid category'),
body('licence').optional().custom(isVideoLicenceValid).withMessage('Should have a valid licence'),
body('language').optional().custom(isVideoLanguageValid).withMessage('Should have a valid language'),
body('nsfw').optional().custom(isVideoNSFWValid).withMessage('Should have a valid NSFW attribute'),
body('description').optional().custom(isVideoDescriptionValid).withMessage('Should have a valid description'),
body('tags').optional().custom(isVideoTagsValid).withMessage('Should have correct tags'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
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)
.json({ error: 'Cannot update video of another pod' })
.end()
}
if (res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
return res.status(403)
.json({ error: 'Cannot update video of another user' })
.end()
}
next()
})
})
}
]
const videosGetValidator = [
param('id').custom(isVideoIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videosGet parameters', { parameters: req.params })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
]
const videosRemoveValidator = [
param('id').custom(isVideoIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videosRemove parameters', { parameters: req.params })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, () => {
// Check if the user who did the request is able to delete the video
checkUserCanDeleteVideo(res.locals.oauth.token.User.id, res, () => {
next()
})
})
})
}
]
const videosSearchValidator = [
param('value').not().isEmpty().withMessage('Should have a valid search'),
query('field').optional().isIn(SEARCHABLE_COLUMNS.VIDEOS).withMessage('Should have correct searchable column'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videosSearch parameters', { parameters: req.params })
checkErrors(req, res, next)
}
]
const videoAbuseReportValidator = [
param('id').custom(isVideoIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
body('reason').custom(isVideoAbuseReasonValid).withMessage('Should have a valid reason'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoAbuseReport parameters', { parameters: req.body })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
]
const videoRateValidator = [
param('id').custom(isVideoIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
body('rating').custom(isVideoRatingTypeValid).withMessage('Should have a valid rate type'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoRate parameters', { parameters: req.body })
checkErrors(req, res, () => {
checkVideoExists(req.params.id, res, next)
})
}
]
// ---------------------------------------------------------------------------
export {
videosAddValidator,
videosUpdateValidator,
videosGetValidator,
videosRemoveValidator,
videosSearchValidator,
videoAbuseReportValidator,
videoRateValidator
}
// ---------------------------------------------------------------------------
function checkUserCanDeleteVideo (userId: number, res: express.Response, callback: () => void) {
// Retrieve the user who did the request
db.User.loadById(userId)
.then(user => {
if (res.locals.video.isOwned() === false) {
return res.status(403)
.json({ error: 'Cannot remove video of another pod, blacklist it' })
.end()
}
// 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 && res.locals.video.Author.userId !== res.locals.oauth.token.User.id) {
return res.status(403)
.json({ error: 'Cannot remove video of another user' })
.end()
}
// 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)
})
}
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