import * as express from 'express' import { body, param } from 'express-validator/check' import { UserRight } from '../../../../shared' import { isAccountNameWithHostExist } from '../../../helpers/custom-validators/accounts' import { isLocalVideoChannelNameExist, isVideoChannelDescriptionValid, isVideoChannelNameValid, isVideoChannelNameWithHostExist, isVideoChannelSupportValid } from '../../../helpers/custom-validators/video-channels' import { logger } from '../../../helpers/logger' import { UserModel } from '../../../models/account/user' import { VideoChannelModel } from '../../../models/video/video-channel' import { areValidationErrors } from '../utils' import { isActorPreferredUsernameValid } from '../../../helpers/custom-validators/activitypub/actor' import { ActorModel } from '../../../models/activitypub/actor' const videoChannelsAddValidator = [ body('name').custom(isActorPreferredUsernameValid).withMessage('Should have a valid channel name'), body('displayName').custom(isVideoChannelNameValid).withMessage('Should have a valid display name'), body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'), body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoChannelsAdd parameters', { parameters: req.body }) if (areValidationErrors(req, res)) return const actor = await ActorModel.loadLocalByName(req.body.name) if (actor) { res.status(409) .send({ error: 'Another actor (account/channel) with this name on this instance already exists or has already existed.' }) .end() return false } return next() } ] const videoChannelsUpdateValidator = [ param('nameWithHost').exists().withMessage('Should have an video channel name with host'), body('displayName').optional().custom(isVideoChannelNameValid).withMessage('Should have a valid display name'), body('description').optional().custom(isVideoChannelDescriptionValid).withMessage('Should have a valid description'), body('support').optional().custom(isVideoChannelSupportValid).withMessage('Should have a valid support text'), 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 isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return // We need to make additional checks if (res.locals.videoChannel.Actor.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('nameWithHost').exists().withMessage('Should have an video channel name with host'), 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 isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return if (!checkUserCanDeleteVideoChannel(res.locals.oauth.token.User, res.locals.videoChannel, res)) return if (!await checkVideoChannelIsNotTheLastOne(res)) return return next() } ] const videoChannelsNameWithHostValidator = [ param('nameWithHost').exists().withMessage('Should have an video channel name with host'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoChannelsNameWithHostValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await isVideoChannelNameWithHostExist(req.params.nameWithHost, res)) return return next() } ] const localVideoChannelValidator = [ param('name').custom(isVideoChannelNameValid).withMessage('Should have a valid video channel name'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking localVideoChannelValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await isLocalVideoChannelNameExist(req.params.name, res)) return return next() } ] // --------------------------------------------------------------------------- export { videoChannelsAddValidator, videoChannelsUpdateValidator, videoChannelsRemoveValidator, videoChannelsNameWithHostValidator, localVideoChannelValidator } // --------------------------------------------------------------------------- function checkUserCanDeleteVideoChannel (user: UserModel, videoChannel: VideoChannelModel, res: express.Response) { if (videoChannel.Actor.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 VideoChannelModel.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 }