peertube-plugin-livechat/server/lib/routers/webchat.ts
2021-04-16 13:42:07 +02:00

132 lines
4.6 KiB
TypeScript

import type { Router, RequestHandler, Request, Response, NextFunction } from 'express'
import type { ProxyOptions } from 'express-http-proxy'
import { getBaseRouter } from '../helpers'
import * as path from 'path'
import * as bodyParser from 'body-parser'
const fs = require('fs').promises
const proxy = require('express-http-proxy')
let httpBindRoute: RequestHandler
async function initWebchatRouter (options: RegisterServerOptions): Promise<Router> {
const {
getRouter,
peertubeHelpers,
settingsManager
} = options
const converseJSIndex = await fs.readFile(path.resolve(__dirname, '../../conversejs/index.html'))
const router: Router = getRouter()
// eslint-disable-next-line @typescript-eslint/no-misused-promises
router.get('/', async (req: Request, res: Response, next: NextFunction): Promise<void> => {
try {
const settings = await settingsManager.getSettings([
'chat-use-prosody', 'chat-use-builtin', 'chat-room', 'chat-server',
'chat-bosh-uri', 'chat-ws-uri'
])
let server: string
let room: string
let boshUri: string
let wsUri: string
if (settings['chat-use-prosody']) {
server = 'localhost'
room = '{{VIDEO_UUID}}@room.localhost'
boshUri = getBaseRouter() + 'webchat/http-bind'
wsUri = ''
} else if (settings['chat-use-builtin']) {
if (!settings['chat-server']) {
throw new Error('Missing chat-server settings.')
}
if (!settings['chat-room']) {
throw new Error('Missing chat-room settings.')
}
if (!settings['chat-bosh-uri'] && !settings['chat-ws-uri']) {
throw new Error('Missing BOSH or Websocket uri.')
}
server = settings['chat-server'] as string
room = settings['chat-room'] as string
boshUri = settings['chat-bosh-uri'] as string
wsUri = settings['chat-ws-uri'] as string
} else {
throw new Error('Builtin chat disabled.')
}
// FIXME: with Peertube 3.0.1 the following method is not available...
// When loadByIdOrUUID is available, change the entry point to
// be /webchat/:videoId
// const id = req.param('videoId')
// const video = await peertubeHelpers.videos.loadByIdOrUUID(id)
let url: string = req.query.url as string || ''
if (!url) {
throw new Error('Missing url parameter)')
}
let video = await peertubeHelpers.videos.loadByUrl(url)
if (!video) {
// FIXME: remove this when loadByIdOrUUID will be available...
// This is a dirty Hack for dev environnements...
url = url.replace(/^https:/, 'http:')
video = await peertubeHelpers.videos.loadByUrl(url)
}
if (!video) {
throw new Error('Video not found')
}
let page = '' + (converseJSIndex as string)
// FIXME: Peertube should provide the static folder path. For now:
const staticRelative = '../static'
page = page.replace(/{{BASE_STATIC_URL}}/g, staticRelative)
page = page.replace(/{{JID}}/g, server)
room = room.replace(/{{VIDEO_UUID}}/g, video.uuid)
page = page.replace(/{{ROOM}}/g, room)
page = page.replace(/{{BOSH_SERVICE_URL}}/g, boshUri)
page = page.replace(/{{WS_SERVICE_URL}}/g, wsUri)
res.status(200)
res.type('html')
res.send(page)
} catch (error) {
next(error)
}
})
changeHttpBindRoute(options, null)
router.all('/http-bind', bodyParser.raw({ type: 'text/xml' }), (req: Request, res: Response, next: NextFunction) => {
httpBindRoute(req, res, next)
})
return router
}
function changeHttpBindRoute ({ peertubeHelpers }: RegisterServerOptions, port: string | null): void {
const logger = peertubeHelpers.logger
logger.info('Changing http-bind port for ' + (port ?? 'null'))
if (port !== null && !/^\d+$/.test(port)) {
logger.error('Port is not valid. Replacing by null')
port = null
}
if (port === null) {
httpBindRoute = (_req: Request, res: Response, _next: NextFunction) => {
res.status(404)
res.send('Not found')
}
} else {
const options: ProxyOptions = {
https: false,
proxyReqPathResolver: async (_req: Request): Promise<string> => {
return '/http-bind' // should not be able to access anything else
},
// preserveHostHdr: false,
parseReqBody: true // Note that setting this to false overrides reqAsBuffer and reqBodyEncoding below.
// FIXME: should we remove cookies?
}
httpBindRoute = proxy('http://localhost:' + port, options)
}
}
export {
initWebchatRouter,
changeHttpBindRoute
}