import * as express from 'express' import { body, param, query, ValidationChain } from 'express-validator' import { UserRight, VideoPlaylistCreate, VideoPlaylistUpdate } from '../../../../shared' import { logger } from '../../../helpers/logger' import { UserModel } from '../../../models/account/user' import { areValidationErrors } from '../utils' import { isVideoImage } from '../../../helpers/custom-validators/videos' import { CONSTRAINTS_FIELDS } from '../../../initializers/constants' import { isArrayOf, isIdOrUUIDValid, isIdValid, isUUIDValid, toIntArray, toIntOrNull, toValueOrNull } from '../../../helpers/custom-validators/misc' import { isVideoPlaylistDescriptionValid, isVideoPlaylistNameValid, isVideoPlaylistPrivacyValid, isVideoPlaylistTimestampValid, isVideoPlaylistTypeValid } from '../../../helpers/custom-validators/video-playlists' import { VideoPlaylistModel } from '../../../models/video/video-playlist' import { cleanUpReqFiles } from '../../../helpers/express-utils' import { VideoPlaylistElementModel } from '../../../models/video/video-playlist-element' import { authenticatePromiseIfNeeded } from '../../oauth' import { VideoPlaylistPrivacy } from '../../../../shared/models/videos/playlist/video-playlist-privacy.model' import { VideoPlaylistType } from '../../../../shared/models/videos/playlist/video-playlist-type.model' import { doesVideoChannelIdExist, doesVideoExist, doesVideoPlaylistExist } from '../../../helpers/middlewares' const videoPlaylistsAddValidator = getCommonPlaylistEditAttributes().concat([ body('displayName') .custom(isVideoPlaylistNameValid).withMessage('Should have a valid display name'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsAddValidator parameters', { parameters: req.body }) if (areValidationErrors(req, res)) return cleanUpReqFiles(req) const body: VideoPlaylistCreate = req.body if (body.videoChannelId && !await doesVideoChannelIdExist(body.videoChannelId, res)) return cleanUpReqFiles(req) if (body.privacy === VideoPlaylistPrivacy.PUBLIC && !body.videoChannelId) { cleanUpReqFiles(req) return res.status(400) .json({ error: 'Cannot set "public" a playlist that is not assigned to a channel.' }) } return next() } ]) const videoPlaylistsUpdateValidator = getCommonPlaylistEditAttributes().concat([ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), body('displayName') .optional() .custom(isVideoPlaylistNameValid).withMessage('Should have a valid display name'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsUpdateValidator parameters', { parameters: req.body }) if (areValidationErrors(req, res)) return cleanUpReqFiles(req) if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return cleanUpReqFiles(req) const videoPlaylist = res.locals.videoPlaylist if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, res.locals.videoPlaylist, UserRight.REMOVE_ANY_VIDEO_PLAYLIST, res)) { return cleanUpReqFiles(req) } const body: VideoPlaylistUpdate = req.body const newPrivacy = body.privacy || videoPlaylist.privacy if (newPrivacy === VideoPlaylistPrivacy.PUBLIC && ( (!videoPlaylist.videoChannelId && !body.videoChannelId) || body.videoChannelId === null ) ) { cleanUpReqFiles(req) return res.status(400) .json({ error: 'Cannot set "public" a playlist that is not assigned to a channel.' }) } if (videoPlaylist.type === VideoPlaylistType.WATCH_LATER) { cleanUpReqFiles(req) return res.status(400) .json({ error: 'Cannot update a watch later playlist.' }) } if (body.videoChannelId && !await doesVideoChannelIdExist(body.videoChannelId, res)) return cleanUpReqFiles(req) return next() } ]) const videoPlaylistsDeleteValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsDeleteValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoPlaylistExist(req.params.playlistId, res)) return const videoPlaylist = res.locals.videoPlaylist if (videoPlaylist.type === VideoPlaylistType.WATCH_LATER) { return res.status(400) .json({ error: 'Cannot delete a watch later playlist.' }) } if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, res.locals.videoPlaylist, UserRight.REMOVE_ANY_VIDEO_PLAYLIST, res)) { return } return next() } ] const videoPlaylistsGetValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsGetValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoPlaylistExist(req.params.playlistId, res)) return const videoPlaylist = res.locals.videoPlaylist // Video is unlisted, check we used the uuid to fetch it if (videoPlaylist.privacy === VideoPlaylistPrivacy.UNLISTED) { if (isUUIDValid(req.params.playlistId)) return next() return res.status(404).end() } if (videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) { await authenticatePromiseIfNeeded(req, res) const user = res.locals.oauth ? res.locals.oauth.token.User : null if ( !user || (videoPlaylist.OwnerAccount.id !== user.Account.id && !user.hasRight(UserRight.UPDATE_ANY_VIDEO_PLAYLIST)) ) { return res.status(403) .json({ error: 'Cannot get this private video playlist.' }) } return next() } return next() } ] const videoPlaylistsAddVideoValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), body('videoId') .custom(isIdOrUUIDValid).withMessage('Should have a valid video id/uuid'), body('startTimestamp') .optional() .custom(isVideoPlaylistTimestampValid).withMessage('Should have a valid start timestamp'), body('stopTimestamp') .optional() .custom(isVideoPlaylistTimestampValid).withMessage('Should have a valid stop timestamp'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsAddVideoValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return if (!await doesVideoExist(req.body.videoId, res, 'only-video')) return const videoPlaylist = res.locals.videoPlaylist const video = res.locals.video const videoPlaylistElement = await VideoPlaylistElementModel.loadByPlaylistAndVideo(videoPlaylist.id, video.id) if (videoPlaylistElement) { res.status(409) .json({ error: 'This video in this playlist already exists' }) .end() return } if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, res.locals.videoPlaylist, UserRight.UPDATE_ANY_VIDEO_PLAYLIST, res)) { return } return next() } ] const videoPlaylistsUpdateOrRemoveVideoValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), param('videoId') .custom(isIdOrUUIDValid).withMessage('Should have an video id/uuid'), body('startTimestamp') .optional() .custom(isVideoPlaylistTimestampValid).withMessage('Should have a valid start timestamp'), body('stopTimestamp') .optional() .custom(isVideoPlaylistTimestampValid).withMessage('Should have a valid stop timestamp'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsRemoveVideoValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return if (!await doesVideoExist(req.params.videoId, res, 'id')) return const videoPlaylist = res.locals.videoPlaylist const video = res.locals.video const videoPlaylistElement = await VideoPlaylistElementModel.loadByPlaylistAndVideo(videoPlaylist.id, video.id) if (!videoPlaylistElement) { res.status(404) .json({ error: 'Video playlist element not found' }) .end() return } res.locals.videoPlaylistElement = videoPlaylistElement if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, videoPlaylist, UserRight.UPDATE_ANY_VIDEO_PLAYLIST, res)) return return next() } ] const videoPlaylistElementAPGetValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), param('videoId') .custom(isIdOrUUIDValid).withMessage('Should have an video id/uuid'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistElementAPGetValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return const videoPlaylistElement = await VideoPlaylistElementModel.loadByPlaylistAndVideoForAP(req.params.playlistId, req.params.videoId) if (!videoPlaylistElement) { res.status(404) .json({ error: 'Video playlist element not found' }) .end() return } if (videoPlaylistElement.VideoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) { return res.status(403).end() } res.locals.videoPlaylistElement = videoPlaylistElement return next() } ] const videoPlaylistsReorderVideosValidator = [ param('playlistId') .custom(isIdOrUUIDValid).withMessage('Should have a valid playlist id/uuid'), body('startPosition') .isInt({ min: 1 }).withMessage('Should have a valid start position'), body('insertAfterPosition') .isInt({ min: 0 }).withMessage('Should have a valid insert after position'), body('reorderLength') .optional() .isInt({ min: 1 }).withMessage('Should have a valid range length'), async (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking videoPlaylistsReorderVideosValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return if (!await doesVideoPlaylistExist(req.params.playlistId, res, 'all')) return const videoPlaylist = res.locals.videoPlaylist if (!checkUserCanManageVideoPlaylist(res.locals.oauth.token.User, videoPlaylist, UserRight.UPDATE_ANY_VIDEO_PLAYLIST, res)) return const nextPosition = await VideoPlaylistElementModel.getNextPositionOf(videoPlaylist.id) const startPosition: number = req.body.startPosition const insertAfterPosition: number = req.body.insertAfterPosition const reorderLength: number = req.body.reorderLength if (startPosition >= nextPosition || insertAfterPosition >= nextPosition) { res.status(400) .json({ error: `Start position or insert after position exceed the playlist limits (max: ${nextPosition - 1})` }) .end() return } if (reorderLength && reorderLength + startPosition > nextPosition) { res.status(400) .json({ error: `Reorder length with this start position exceeds the playlist limits (max: ${nextPosition - startPosition})` }) .end() return } return next() } ] const commonVideoPlaylistFiltersValidator = [ query('playlistType') .optional() .custom(isVideoPlaylistTypeValid).withMessage('Should have a valid playlist type'), (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking commonVideoPlaylistFiltersValidator parameters', { parameters: req.params }) if (areValidationErrors(req, res)) return return next() } ] const doVideosInPlaylistExistValidator = [ query('videoIds') .customSanitizer(toIntArray) .custom(v => isArrayOf(v, isIdValid)).withMessage('Should have a valid video ids array'), (req: express.Request, res: express.Response, next: express.NextFunction) => { logger.debug('Checking areVideosInPlaylistExistValidator parameters', { parameters: req.query }) if (areValidationErrors(req, res)) return return next() } ] // --------------------------------------------------------------------------- export { videoPlaylistsAddValidator, videoPlaylistsUpdateValidator, videoPlaylistsDeleteValidator, videoPlaylistsGetValidator, videoPlaylistsAddVideoValidator, videoPlaylistsUpdateOrRemoveVideoValidator, videoPlaylistsReorderVideosValidator, videoPlaylistElementAPGetValidator, commonVideoPlaylistFiltersValidator, doVideosInPlaylistExistValidator } // --------------------------------------------------------------------------- function getCommonPlaylistEditAttributes () { return [ body('thumbnailfile') .custom((value, { req }) => isVideoImage(req.files, 'thumbnailfile')).withMessage( 'This thumbnail file is not supported or too large. Please, make sure it is of the following type: ' + CONSTRAINTS_FIELDS.VIDEO_PLAYLISTS.IMAGE.EXTNAME.join(', ') ), body('description') .optional() .customSanitizer(toValueOrNull) .custom(isVideoPlaylistDescriptionValid).withMessage('Should have a valid description'), body('privacy') .optional() .customSanitizer(toIntOrNull) .custom(isVideoPlaylistPrivacyValid).withMessage('Should have correct playlist privacy'), body('videoChannelId') .optional() .customSanitizer(toIntOrNull) ] as (ValidationChain | express.Handler)[] } function checkUserCanManageVideoPlaylist (user: UserModel, videoPlaylist: VideoPlaylistModel, right: UserRight, res: express.Response) { if (videoPlaylist.isOwned() === false) { res.status(403) .json({ error: 'Cannot manage video playlist of another server.' }) .end() return false } // Check if the user can manage the video playlist // The user can delete it if s/he is an admin // Or if s/he is the video playlist's owner if (user.hasRight(right) === false && videoPlaylist.ownerAccountId !== user.Account.id) { res.status(403) .json({ error: 'Cannot manage video playlist of another user' }) .end() return false } return true }