import express from 'express' import { param, query } from 'express-validator' import { HttpStatusCode } from '@shared/models' import { isValidRSSFeed } from '../../helpers/custom-validators/feeds' import { exists, isIdOrUUIDValid, isIdValid, toCompleteUUID } from '../../helpers/custom-validators/misc' import { buildPodcastGroupsCache } from '../cache' import { areValidationErrors, checkCanSeeVideo, doesAccountIdExist, doesAccountNameWithHostExist, doesUserFeedTokenCorrespond, doesVideoChannelIdExist, doesVideoChannelNameWithHostExist, doesVideoExist } from './shared' const feedsFormatValidator = [ param('format') .optional() .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'), query('format') .optional() .custom(isValidRSSFeed).withMessage('Should have a valid format (rss, atom, json)'), (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return return next() } ] function setFeedFormatContentType (req: express.Request, res: express.Response, next: express.NextFunction) { const format = req.query.format || req.params.format || 'rss' let acceptableContentTypes: string[] if (format === 'atom' || format === 'atom1') { acceptableContentTypes = [ 'application/atom+xml', 'application/xml', 'text/xml' ] } else if (format === 'json' || format === 'json1') { acceptableContentTypes = [ 'application/json' ] } else if (format === 'rss' || format === 'rss2') { acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ] } else { acceptableContentTypes = [ 'application/xml', 'text/xml' ] } return feedContentTypeResponse(req, res, next, acceptableContentTypes) } function setFeedPodcastContentType (req: express.Request, res: express.Response, next: express.NextFunction) { const acceptableContentTypes = [ 'application/rss+xml', 'application/xml', 'text/xml' ] return feedContentTypeResponse(req, res, next, acceptableContentTypes) } function feedContentTypeResponse ( req: express.Request, res: express.Response, next: express.NextFunction, acceptableContentTypes: string[] ) { if (req.accepts(acceptableContentTypes)) { res.set('Content-Type', req.accepts(acceptableContentTypes) as string) } else { return res.fail({ status: HttpStatusCode.NOT_ACCEPTABLE_406, message: `You should accept at least one of the following content-types: ${acceptableContentTypes.join(', ')}` }) } return next() } // --------------------------------------------------------------------------- const videoFeedsValidator = [ query('accountId') .optional() .custom(isIdValid), query('accountName') .optional(), query('videoChannelId') .optional() .custom(isIdValid), query('videoChannelName') .optional(), async (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return if (req.query.accountId && !await doesAccountIdExist(req.query.accountId, res)) return if (req.query.videoChannelId && !await doesVideoChannelIdExist(req.query.videoChannelId, res)) return if (req.query.accountName && !await doesAccountNameWithHostExist(req.query.accountName, res)) return if (req.query.videoChannelName && !await doesVideoChannelNameWithHostExist(req.query.videoChannelName, res)) return return next() } ] // --------------------------------------------------------------------------- const videoFeedsPodcastValidator = [ query('videoChannelId') .custom(isIdValid), async (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return if (!await doesVideoChannelIdExist(req.query.videoChannelId, res)) return return next() } ] const videoFeedsPodcastSetCacheKey = [ (req: express.Request, res: express.Response, next: express.NextFunction) => { if (req.query.videoChannelId) { res.locals.apicacheGroups = [ buildPodcastGroupsCache({ channelId: req.query.videoChannelId }) ] } return next() } ] // --------------------------------------------------------------------------- const videoSubscriptionFeedsValidator = [ query('accountId') .custom(isIdValid), query('token') .custom(exists), async (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return if (!await doesAccountIdExist(req.query.accountId, res)) return if (!await doesUserFeedTokenCorrespond(res.locals.account.userId, req.query.token, res)) return return next() } ] const videoCommentsFeedsValidator = [ query('videoId') .optional() .customSanitizer(toCompleteUUID) .custom(isIdOrUUIDValid), async (req: express.Request, res: express.Response, next: express.NextFunction) => { if (areValidationErrors(req, res)) return if (req.query.videoId && (req.query.videoChannelId || req.query.videoChannelName)) { return res.fail({ message: 'videoId cannot be mixed with a channel filter' }) } if (req.query.videoId) { if (!await doesVideoExist(req.query.videoId, res)) return if (!await checkCanSeeVideo({ req, res, paramId: req.query.videoId, video: res.locals.videoAll })) return } return next() } ] // --------------------------------------------------------------------------- export { feedsFormatValidator, setFeedFormatContentType, setFeedPodcastContentType, videoFeedsValidator, videoFeedsPodcastValidator, videoSubscriptionFeedsValidator, videoFeedsPodcastSetCacheKey, videoCommentsFeedsValidator }