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import express from 'express'
import { query } from 'express-validator'
import { join } from 'path'
import { loadVideo } from '@server/lib/model-loaders'
import { VideoPlaylistModel } from '@server/models/video/video-playlist'
import { VideoPlaylistPrivacy, VideoPrivacy } from '@shared/models'
import { HttpStatusCode } from '../../../shared/models/http/http-error-codes'
import { isTestOrDevInstance } from '../../helpers/core-utils'
import { isIdOrUUIDValid, isUUIDValid, toCompleteUUID } from '../../helpers/custom-validators/misc'
import { logger } from '../../helpers/logger'
import { WEBSERVER } from '../../initializers/constants'
import { areValidationErrors } from './shared'
const playlistPaths = [
join('videos', 'watch', 'playlist'),
join('w', 'p')
]
const videoPaths = [
join('videos', 'watch'),
'w'
]
function buildUrls (paths: string[]) {
return paths.map(p => WEBSERVER.SCHEME + '://' + join(WEBSERVER.HOST, p) + '/')
}
const startPlaylistURLs = buildUrls(playlistPaths)
const startVideoURLs = buildUrls(videoPaths)
const isURLOptions = {
require_host: true,
require_tld: true
}
// We validate 'localhost', so we don't have the top level domain
if (isTestOrDevInstance()) {
isURLOptions.require_tld = false
}
const oembedValidator = [
query('url')
.isURL(isURLOptions),
query('maxwidth')
.optional()
.isInt(),
query('maxheight')
.optional()
.isInt(),
query('format')
.optional()
.isIn([ 'xml', 'json' ]),
async (req: express.Request, res: express.Response, next: express.NextFunction) => {
logger.debug('Checking oembed parameters', { parameters: req.query })
if (areValidationErrors(req, res)) return
if (req.query.format !== undefined && req.query.format !== 'json') {
return res.fail({
status: HttpStatusCode.NOT_IMPLEMENTED_501,
message: 'Requested format is not implemented on server.',
data: {
format: req.query.format
}
})
}
const url = req.query.url as string
let urlPath: string
try {
urlPath = new URL(url).pathname
} catch (err) {
return res.fail({
status: HttpStatusCode.BAD_REQUEST_400,
message: err.message,
data: {
url
}
})
}
const isPlaylist = startPlaylistURLs.some(u => url.startsWith(u))
const isVideo = isPlaylist ? false : startVideoURLs.some(u => url.startsWith(u))
const startIsOk = isVideo || isPlaylist
const parts = urlPath.split('/')
if (startIsOk === false || parts.length === 0) {
return res.fail({
status: HttpStatusCode.BAD_REQUEST_400,
message: 'Invalid url.',
data: {
url
}
})
}
const elementId = toCompleteUUID(parts.pop())
if (isIdOrUUIDValid(elementId) === false) {
return res.fail({ message: 'Invalid video or playlist id.' })
}
if (isVideo) {
const video = await loadVideo(elementId, 'all')
if (!video) {
return res.fail({
status: HttpStatusCode.NOT_FOUND_404,
message: 'Video not found'
})
}
if (
video.privacy === VideoPrivacy.PUBLIC ||
(video.privacy === VideoPrivacy.UNLISTED && isUUIDValid(elementId) === true)
) {
res.locals.videoAll = video
return next()
}
return res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Video is not publicly available'
})
}
// Is playlist
const videoPlaylist = await VideoPlaylistModel.loadWithAccountAndChannelSummary(elementId, undefined)
if (!videoPlaylist) {
return res.fail({
status: HttpStatusCode.NOT_FOUND_404,
message: 'Video playlist not found'
})
}
if (
videoPlaylist.privacy === VideoPlaylistPrivacy.PUBLIC ||
(videoPlaylist.privacy === VideoPlaylistPrivacy.UNLISTED && isUUIDValid(elementId))
) {
res.locals.videoPlaylistSummary = videoPlaylist
return next()
}
return res.fail({
status: HttpStatusCode.FORBIDDEN_403,
message: 'Playlist is not public'
})
}
]
// ---------------------------------------------------------------------------
export {
oembedValidator
}
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