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import * as express from 'express'
import { body, param } from 'express-validator/check'
import { UserRight } from '../../../shared'
import { isIdValid } from '../../helpers/custom-validators/misc'
import {
isVideoChannelDescriptionValid,
isVideoChannelExist,
isVideoChannelNameValid
} from '../../helpers/custom-validators/video-channels'
import { isIdOrUUIDValid } from '../../helpers/index'
import { logger } from '../../helpers/logger'
import { database as db } from '../../initializers'
import { UserInstance } from '../../models'
import { areValidationErrors } from './utils'
import { isAccountIdExist } from '../../helpers/custom-validators/accounts'
import { VideoChannelInstance } from '../../models/video/video-channel-interface'
const listVideoAccountChannelsValidator = [
param('accountId').custom(isIdOrUUIDValid).withMessage('Should have a valid account id'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking listVideoAccountChannelsValidator parameters', { parameters: req.body })
if (areValidationErrors(req, res)) return
if (!await isAccountIdExist(req.params.accountId, res)) return
return next()
}
]
const videoChannelsAddValidator = [
body('name').custom(isVideoChannelNameValid).withMessage('Should have a valid name'),
body('description').custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
(req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body })
if (areValidationErrors(req, res)) return
return next()
}
]
const videoChannelsUpdateValidator = [
param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
body('name').optional().custom(isVideoChannelNameValid).withMessage('Should have a valid name'),
body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsUpdate parameters', { parameters: req.body })
if (areValidationErrors(req, res)) return
if (!await isVideoChannelExist(req.params.id, res)) return
// We need to make additional checks
if (res.locals.videoChannel.isOwned() === false) {
return res.status(403)
.json({ error: 'Cannot update video channel of another server' })
.end()
}
if (res.locals.videoChannel.Account.userId !== res.locals.oauth.token.User.id) {
return res.status(403)
.json({ error: 'Cannot update video channel of another user' })
.end()
}
return next()
}
]
const videoChannelsRemoveValidator = [
param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsRemove parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoChannelExist(req.params.id, res)) return
// Check if the user who did the request is able to delete the video
if (!checkUserCanDeleteVideoChannel(res.locals.user, res.locals.videoChannel, res)) return
if (!await checkVideoChannelIsNotTheLastOne(res)) return
return next()
}
]
const videoChannelsGetValidator = [
param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelsGet parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoChannelExist(req.params.id, res)) return
return next()
}
]
const videoChannelsShareValidator = [
param('id').custom(isIdOrUUIDValid).not().isEmpty().withMessage('Should have a valid id'),
param('accountId').custom(isIdValid).not().isEmpty().withMessage('Should have a valid account id'),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking videoChannelShare parameters', { parameters: req.params })
if (areValidationErrors(req, res)) return
if (!await isVideoChannelExist(req.params.id, res)) return
const share = await db.VideoChannelShare.load(res.locals.video.id, req.params.accountId, undefined)
if (!share) {
return res.status(404)
.end()
}
res.locals.videoChannelShare = share
return next()
}
]
// ---------------------------------------------------------------------------
export {
listVideoAccountChannelsValidator,
videoChannelsAddValidator,
videoChannelsUpdateValidator,
videoChannelsRemoveValidator,
videoChannelsGetValidator,
videoChannelsShareValidator
}
// ---------------------------------------------------------------------------
function checkUserCanDeleteVideoChannel (user: UserInstance, videoChannel: VideoChannelInstance, res: express.Response) {
// Retrieve the user who did the request
if (videoChannel.isOwned() === false) {
res.status(403)
.json({ error: 'Cannot remove video channel of another server.' })
.end()
return false
}
// Check if the user can delete the video channel
// The user can delete it if s/he is an admin
// Or if s/he is the video channel's account
if (user.hasRight(UserRight.REMOVE_ANY_VIDEO_CHANNEL) === false && videoChannel.Account.userId !== user.id) {
res.status(403)
.json({ error: 'Cannot remove video channel of another user' })
.end()
return false
}
return true
}
async function checkVideoChannelIsNotTheLastOne (res: express.Response) {
const count = await db.VideoChannel.countByAccount(res.locals.oauth.token.User.Account.id)
if (count <= 1) {
res.status(409)
.json({ error: 'Cannot remove the last channel of this user' })
.end()
return false
}
return true
}
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