import type { RegisterServerOptions } from '@peertube/peertube-types' import type { Router, Request, Response, NextFunction } from 'express' import type { ProsodyListRoomsResult, ProsodyListRoomsResultRoom } from '../../../shared/lib/types' import { createProxyServer } from 'http-proxy' import { RegisterServerOptionsV5, isUserAdmin } from '../helpers' import { asyncMiddleware } from '../middlewares/async' import { getAPIKey } from '../apikey' import { getChannelInfosById } from '../database/channel' import { isAutoColorsAvailable, areAutoColorsValid, AutoColors } from '../../../shared/lib/autocolors' import { fetchMissingRemoteServerInfos } from '../federation/fetch-infos' import { getConverseJSParams } from '../conversejs/params' import * as path from 'path' const got = require('got') const fs = require('fs').promises interface ProsodyProxyInfo { host: string port: string } let currentProsodyProxyInfo: ProsodyProxyInfo | null = null let currentHttpBindProxy: ReturnType | null = null let currentWebsocketProxy: ReturnType | null = null let currentS2SWebsocketProxy: ReturnType | null = null async function initWebchatRouter (options: RegisterServerOptionsV5): Promise { const { getRouter, registerWebSocketRoute, peertubeHelpers } = 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('/room/:roomKey', asyncMiddleware( async (req: Request, res: Response, _next: NextFunction): Promise => { res.removeHeader('X-Frame-Options') // this route can be opened in an iframe const roomKey = req.params.roomKey let readonly: boolean | 'noscroll' = false if (req.query._readonly === 'true') { readonly = true } else if (req.query._readonly === 'noscroll') { readonly = 'noscroll' } const initConverseJSParam = await getConverseJSParams(options, roomKey, { readonly, transparent: req.query._transparent === 'true', forcetype: req.query.forcetype === '1' }) if (('isError' in initConverseJSParam)) { res.status(initConverseJSParam.code) res.send(initConverseJSParam.message) return } let page = '' + (converseJSIndex as string) page = page.replace(/{{BASE_STATIC_URL}}/g, initConverseJSParam.staticBaseUrl) const settings = await options.settingsManager.getSettings([ 'converse-theme', 'converse-autocolors' ]) // Adding some custom CSS if relevant... let autocolorsStyles = '' if ( settings['converse-autocolors'] && isAutoColorsAvailable(settings['converse-theme'] as string) ) { peertubeHelpers.logger.debug('Trying to load AutoColors...') const autocolors: AutoColors = { mainForeground: req.query._ac_mainForeground?.toString() ?? '', mainBackground: req.query._ac_mainBackground?.toString() ?? '', greyForeground: req.query._ac_greyForeground?.toString() ?? '', greyBackground: req.query._ac_greyBackground?.toString() ?? '', menuForeground: req.query._ac_menuForeground?.toString() ?? '', menuBackground: req.query._ac_menuBackground?.toString() ?? '', inputForeground: req.query._ac_inputForeground?.toString() ?? '', inputBackground: req.query._ac_inputBackground?.toString() ?? '', buttonForeground: req.query._ac_buttonForeground?.toString() ?? '', buttonBackground: req.query._ac_buttonBackground?.toString() ?? '', link: req.query._ac_link?.toString() ?? '', linkHover: req.query._ac_linkHover?.toString() ?? '' } if (!Object.values(autocolors).find(c => c !== '')) { peertubeHelpers.logger.debug('All AutoColors are empty.') } else { const autoColorsTest = areAutoColorsValid(autocolors) if (autoColorsTest === true) { autocolorsStyles = ` ` } else { peertubeHelpers.logger.error('Provided AutoColors are invalid.', autoColorsTest) } } } else { peertubeHelpers.logger.debug('No AutoColors.') } // ... then insert CSS in the page. page = page.replace(/{{CONVERSEJS_AUTOCOLORS}}/g, autocolorsStyles) // ... and finaly inject all other parameters page = page.replace('{INIT_CONVERSE_PARAMS}', JSON.stringify(initConverseJSParam)) res.status(200) res.type('html') res.send(page) } )) await disableProxyRoute(options) router.post('/http-bind', (req: Request, res: Response, next: NextFunction) => { try { if (!currentHttpBindProxy) { res.status(404) res.send('Not found') return } req.url = 'http-bind' currentHttpBindProxy.web(req, res) } catch (err) { next(err) } } ) // We should also forward OPTIONS request, for CORS. router.options('/http-bind', (req: Request, res: Response, next: NextFunction) => { try { if (!currentHttpBindProxy) { res.status(404) res.send('Not found') return } req.url = 'http-bind' currentHttpBindProxy.web(req, res) } catch (err) { next(err) } } ) // Peertube >=5.0.0: Adding the websocket route. if (registerWebSocketRoute) { registerWebSocketRoute({ route: '/xmpp-websocket', handler: (request, socket, head) => { try { if (!currentWebsocketProxy) { peertubeHelpers.logger.error('There is no current websocket proxy, should not get here.') // no need to close the socket, Peertube will // (see https://github.com/Chocobozzz/PeerTube/issues/5752#issuecomment-1510870894) return } currentWebsocketProxy.ws(request, socket, head) } catch (err) { peertubeHelpers.logger.error('Got an error when trying to connect to S2S', err) } } }) registerWebSocketRoute({ route: '/xmpp-websocket-s2s', handler: async (request, socket, head) => { try { if (!currentS2SWebsocketProxy) { peertubeHelpers.logger.error('There is no current websocket s2s proxy, should not get here.') // no need to close the socket, Peertube will // (see https://github.com/Chocobozzz/PeerTube/issues/5752#issuecomment-1510870894) return } // If the incomming request is from a remote Peertube instance, we must ensure that we know // how to connect to it using Websocket S2S (for the dialback mecanism). const remoteInstanceUrl = request.headers['peertube-livechat-ws-s2s-instance-url'] if (remoteInstanceUrl && (typeof remoteInstanceUrl === 'string')) { // Note: fetchMissingRemoteServerInfos will store the information, // so that the Prosody mod_s2s_peertubelivechat module can access them. // We dont need to read the result. await fetchMissingRemoteServerInfos(options, remoteInstanceUrl) } currentS2SWebsocketProxy.ws(request, socket, head) } catch (err) { peertubeHelpers.logger.error('Got an error when trying to connect to Websocket S2S', err) } } }) } router.get('/prosody-list-rooms', asyncMiddleware( async (req: Request, res: Response, _next: NextFunction) => { if (!res.locals.authenticated) { res.sendStatus(403) return } if (!await isUserAdmin(options, res)) { res.sendStatus(403) return } if (!currentProsodyProxyInfo) { throw new Error('It seems that prosody is not binded... Cant list rooms.') } const apiUrl = `http://localhost:${currentProsodyProxyInfo.port}/peertubelivechat_list_rooms/list-rooms` peertubeHelpers.logger.debug('Calling list rooms API on url: ' + apiUrl) const rooms = await got(apiUrl, { method: 'GET', headers: { authorization: 'Bearer ' + await getAPIKey(options), host: currentProsodyProxyInfo.host }, responseType: 'json', resolveBodyOnly: true }) if (Array.isArray(rooms)) { for (let i = 0; i < rooms.length; i++) { const room: ProsodyListRoomsResultRoom = rooms[i] const matches = room.localpart.match(/^channel\.(\d+)$/) if (matches?.[1]) { const channelId = parseInt(matches[1]) const channelInfos = await getChannelInfosById(options, channelId) if (channelInfos) { room.channel = { id: channelInfos.id, name: channelInfos.name, displayName: channelInfos.displayName } } } } } res.status(200) const r: ProsodyListRoomsResult = { ok: true, rooms: rooms } res.json(r) } )) return router } async function disableProxyRoute ({ peertubeHelpers }: RegisterServerOptions): Promise { // Note: I tried to promisify the httpbind proxy closing (by waiting for the callback call). // But this seems to never happen, and stucked the plugin uninstallation. // So I don't wait. try { currentProsodyProxyInfo = null if (currentHttpBindProxy) { peertubeHelpers.logger.info('Closing the http bind proxy...') currentHttpBindProxy.close() currentHttpBindProxy = null } if (currentWebsocketProxy) { peertubeHelpers.logger.info('Closing the websocket proxy...') currentWebsocketProxy.close() currentWebsocketProxy = null } if (currentS2SWebsocketProxy) { peertubeHelpers.logger.info('Closing the s2s websocket proxy...') currentS2SWebsocketProxy.close() currentS2SWebsocketProxy = null } } catch (err) { peertubeHelpers.logger.error('Seems that the http bind proxy close has failed: ' + (err as string)) } } async function enableProxyRoute ( { peertubeHelpers }: RegisterServerOptions, prosodyProxyInfo: ProsodyProxyInfo ): Promise { const logger = peertubeHelpers.logger if (!/^\d+$/.test(prosodyProxyInfo.port)) { logger.error(`Port '${prosodyProxyInfo.port}' is not valid. Aborting.`) return } currentProsodyProxyInfo = prosodyProxyInfo logger.info('Creating a new http bind proxy') currentHttpBindProxy = createProxyServer({ target: 'http://localhost:' + prosodyProxyInfo.port + '/http-bind', ignorePath: true }) currentHttpBindProxy.on('error', (err, req, res) => { // We must handle errors, otherwise Peertube server crashes! logger.error( 'The http bind proxy got an error ' + '(this can be normal if you updated/uninstalled the plugin, or shutdowned peertube while users were chatting): ' + err.message ) if ('writeHead' in res) { res.writeHead(500) } res.end('') }) currentHttpBindProxy.on('close', () => { logger.info('Got a close event for the http bind proxy') }) logger.info('Creating a new websocket proxy') currentWebsocketProxy = createProxyServer({ target: 'http://localhost:' + prosodyProxyInfo.port + '/xmpp-websocket', ignorePath: true, ws: true }) currentWebsocketProxy.on('error', (err, req, res) => { // We must handle errors, otherwise Peertube server crashes! logger.error( 'The websocket proxy got an error ' + '(this can be normal if you updated/uninstalled the plugin, or shutdowned peertube while users were chatting): ' + err.message ) if ('writeHead' in res) { res.writeHead(500) } res.end('') }) currentWebsocketProxy.on('close', () => { logger.info('Got a close event for the websocket proxy') }) logger.info('Creating a new s2s websocket proxy') currentS2SWebsocketProxy = createProxyServer({ target: 'http://localhost:' + prosodyProxyInfo.port + '/xmpp-websocket-s2s', ignorePath: true, ws: true }) currentS2SWebsocketProxy.on('error', (err, req, res) => { // We must handle errors, otherwise Peertube server crashes! logger.error( 'The s2s websocket proxy got an error ' + '(this can be normal if you updated/uninstalled the plugin, or shutdowned peertube while users were chatting): ' + err.message ) if ('writeHead' in res) { res.writeHead(500) } res.end('') }) currentS2SWebsocketProxy.on('close', () => { logger.info('Got a close event for the s2s websocket proxy') }) } export { initWebchatRouter, disableProxyRoute, enableProxyRoute }