PeerTube/server/controllers/services.ts

166 lines
4.3 KiB
TypeScript

import express from 'express'
import { MChannelSummary } from '@server/types/models'
import { escapeHTML } from '@shared/core-utils/renderer'
import { EMBED_SIZE, PREVIEWS_SIZE, THUMBNAILS_SIZE, WEBSERVER } from '../initializers/constants'
import { apiRateLimiter, asyncMiddleware, oembedValidator } from '../middlewares'
import { accountNameWithHostGetValidator } from '../middlewares/validators'
import { forceNumber } from '@shared/core-utils'
const servicesRouter = express.Router()
servicesRouter.use('/oembed',
apiRateLimiter,
asyncMiddleware(oembedValidator),
generateOEmbed
)
servicesRouter.use('/redirect/accounts/:accountName',
apiRateLimiter,
asyncMiddleware(accountNameWithHostGetValidator),
redirectToAccountUrl
)
// ---------------------------------------------------------------------------
export {
servicesRouter
}
// ---------------------------------------------------------------------------
function generateOEmbed (req: express.Request, res: express.Response) {
if (res.locals.videoAll) return generateVideoOEmbed(req, res)
return generatePlaylistOEmbed(req, res)
}
function generatePlaylistOEmbed (req: express.Request, res: express.Response) {
const playlist = res.locals.videoPlaylistSummary
const json = buildOEmbed({
channel: playlist.VideoChannel,
title: playlist.name,
embedPath: playlist.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
previewPath: playlist.getThumbnailStaticPath(),
previewSize: THUMBNAILS_SIZE,
req
})
return res.json(json)
}
function generateVideoOEmbed (req: express.Request, res: express.Response) {
const video = res.locals.videoAll
const json = buildOEmbed({
channel: video.VideoChannel,
title: video.name,
embedPath: video.getEmbedStaticPath() + buildPlayerURLQuery(req.query.url),
previewPath: video.getPreviewStaticPath(),
previewSize: PREVIEWS_SIZE,
req
})
return res.json(json)
}
function buildPlayerURLQuery (inputQueryUrl: string) {
const allowedParameters = new Set([
'start',
'stop',
'loop',
'autoplay',
'muted',
'controls',
'controlBar',
'title',
'api',
'warningTitle',
'peertubeLink',
'p2p',
'subtitle',
'bigPlayBackgroundColor',
'mode',
'foregroundColor'
])
const params = new URLSearchParams()
new URL(inputQueryUrl).searchParams.forEach((v, k) => {
if (allowedParameters.has(k)) {
params.append(k, v)
}
})
const stringQuery = params.toString()
if (!stringQuery) return ''
return '?' + stringQuery
}
function buildOEmbed (options: {
req: express.Request
title: string
channel: MChannelSummary
previewPath: string | null
embedPath: string
previewSize: {
height: number
width: number
}
}) {
const { req, previewSize, previewPath, title, channel, embedPath } = options
const webserverUrl = WEBSERVER.URL
const maxHeight = forceNumber(req.query.maxheight)
const maxWidth = forceNumber(req.query.maxwidth)
const embedUrl = webserverUrl + embedPath
const embedTitle = escapeHTML(title)
let thumbnailUrl = previewPath
? webserverUrl + previewPath
: undefined
let embedWidth = EMBED_SIZE.width
if (maxWidth < embedWidth) embedWidth = maxWidth
let embedHeight = EMBED_SIZE.height
if (maxHeight < embedHeight) embedHeight = maxHeight
// Our thumbnail is too big for the consumer
if (
(maxHeight !== undefined && maxHeight < previewSize.height) ||
(maxWidth !== undefined && maxWidth < previewSize.width)
) {
thumbnailUrl = undefined
}
const html = `<iframe width="${embedWidth}" height="${embedHeight}" sandbox="allow-same-origin allow-scripts allow-popups" ` +
`title="${embedTitle}" src="${embedUrl}" frameborder="0" allowfullscreen></iframe>`
const json: any = {
type: 'video',
version: '1.0',
html,
width: embedWidth,
height: embedHeight,
title,
author_name: channel.name,
author_url: channel.Actor.url,
provider_name: 'PeerTube',
provider_url: webserverUrl
}
if (thumbnailUrl !== undefined) {
json.thumbnail_url = thumbnailUrl
json.thumbnail_width = previewSize.width
json.thumbnail_height = previewSize.height
}
return json
}
function redirectToAccountUrl (req: express.Request, res: express.Response, next: express.NextFunction) {
return res.redirect(res.locals.account.Actor.url)
}