mirror of https://github.com/Chocobozzz/PeerTube
65 lines
2.2 KiB
TypeScript
65 lines
2.2 KiB
TypeScript
import * as express from 'express'
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import { query } from 'express-validator/check'
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import { join } from 'path'
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import { isTestInstance, logger } from '../../helpers'
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import { isIdOrUUIDValid } from '../../helpers/custom-validators/misc'
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import { isVideoExist } from '../../helpers/custom-validators/videos'
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import { CONFIG } from '../../initializers'
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import { areValidationErrors } from './utils'
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const urlShouldStartWith = CONFIG.WEBSERVER.SCHEME + '://' + join(CONFIG.WEBSERVER.HOST, 'videos', 'watch') + '/'
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const videoWatchRegex = new RegExp('([^/]+)$')
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const isURLOptions = {
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require_host: true,
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require_tld: true
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}
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// We validate 'localhost', so we don't have the top level domain
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if (isTestInstance()) {
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isURLOptions.require_tld = false
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}
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const oembedValidator = [
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query('url').isURL(isURLOptions).withMessage('Should have a valid url'),
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query('maxwidth').optional().isInt().withMessage('Should have a valid max width'),
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query('maxheight').optional().isInt().withMessage('Should have a valid max height'),
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query('format').optional().isIn([ 'xml', 'json' ]).withMessage('Should have a valid format'),
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async (req: express.Request, res: express.Response, next: express.NextFunction) => {
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logger.debug('Checking oembed parameters', { parameters: req.query })
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if (areValidationErrors(req, res)) return
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if (req.query.format !== undefined && req.query.format !== 'json') {
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return res.status(501)
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.json({ error: 'Requested format is not implemented on server.' })
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.end()
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}
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const startIsOk = req.query.url.startsWith(urlShouldStartWith)
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const matches = videoWatchRegex.exec(req.query.url)
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if (startIsOk === false || matches === null) {
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return res.status(400)
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.json({ error: 'Invalid url.' })
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.end()
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}
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const videoId = matches[1]
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if (isIdOrUUIDValid(videoId) === false) {
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return res.status(400)
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.json({ error: 'Invalid video id.' })
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.end()
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}
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if (!await isVideoExist(videoId, res)) return
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return next()
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}
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]
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// ---------------------------------------------------------------------------
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export {
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oembedValidator
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}
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