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import * as express from 'express'
import { param, query } from 'express-validator'
import { isIdOrUUIDValid, isIdValid } from '../../helpers/custom-validators/misc'
import { logger } from '../../helpers/logger'
import { areValidationErrors } from './utils'
import { isValidRSSFeed } from '../../helpers/custom-validators/feeds'
import { doesVideoExist } from '../../helpers/middlewares/videos'
import {
doesAccountIdExist,
doesAccountNameWithHostExist,
doesVideoChannelIdExist,
doesVideoChannelNameWithHostExist,
doesUserFeedTokenCorrespond
} from '../../helpers/middlewares'
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)')
]
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' ]
}
if (req.accepts(acceptableContentTypes)) {
res.set('Content-Type', req.accepts(acceptableContentTypes) as string)
} else {
return res.status(406).send({
message: `You should accept at least one of the following content-types: ${acceptableContentTypes.join(', ')}`
}).end()
}
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) => {
logger.debug('Checking feeds parameters', { parameters: req.query })
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 videoSubscriptonFeedsValidator = [
query('accountId').optional().custom(isIdValid),
query('token').optional(),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking feeds parameters', { parameters: req.query })
if (areValidationErrors(req, res)) return
// a token alone is erroneous
if (req.query.token && !req.query.accountId) return
if (req.query.token && !await doesUserFeedTokenCorrespond(res.locals.account.userId, req.query.token, res)) return
return next()
}
]
const videoCommentsFeedsValidator = [
query('videoId').optional().custom(isIdOrUUIDValid),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking feeds parameters', { parameters: req.query })
if (areValidationErrors(req, res)) return
if (req.query.videoId && (req.query.videoChannelId || req.query.videoChannelName)) {
return res.status(400).send({
message: 'videoId cannot be mixed with a channel filter'
}).end()
}
if (req.query.videoId && !await doesVideoExist(req.query.videoId, res)) return
return next()
}
]
// ---------------------------------------------------------------------------
export {
feedsFormatValidator,
setFeedFormatContentType,
videoFeedsValidator,
videoSubscriptonFeedsValidator,
videoCommentsFeedsValidator
}
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