PeerTube/server/middlewares/validators/feeds.ts

179 lines
5.6 KiB
TypeScript

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
}