382 lines
14 KiB
TypeScript
382 lines
14 KiB
TypeScript
import type { RegisterServerOptions, MVideoThumbnail } from '@peertube/peertube-types'
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import type { Router, Request, Response, NextFunction } from 'express'
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import type {
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ProsodyListRoomsResult, ProsodyListRoomsResultRoom
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} from '../../../shared/lib/types'
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import { createProxyServer } from 'http-proxy'
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import {
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RegisterServerOptionsV5, getBaseRouterRoute, getBaseWebSocketRoute, getBaseStaticRoute, isUserAdmin
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} from '../helpers'
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import { asyncMiddleware } from '../middlewares/async'
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import { getProsodyDomain } from '../prosody/config/domain'
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import { getAPIKey } from '../apikey'
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import { getChannelInfosById, getChannelNameById } from '../database/channel'
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import { isAutoColorsAvailable, areAutoColorsValid, AutoColors } from '../../../shared/lib/autocolors'
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import * as path from 'path'
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const got = require('got')
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const fs = require('fs').promises
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interface ProsodyProxyInfo {
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host: string
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port: string
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}
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let currentProsodyProxyInfo: ProsodyProxyInfo | null = null
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let currentHttpBindProxy: ReturnType<typeof createProxyServer> | null = null
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let currentWebsocketProxy: ReturnType<typeof createProxyServer> | null = null
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async function initWebchatRouter (options: RegisterServerOptionsV5): Promise<Router> {
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const {
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getRouter,
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registerWebSocketRoute,
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peertubeHelpers,
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settingsManager
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} = options
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const converseJSIndex = await fs.readFile(path.resolve(__dirname, '../../conversejs/index.html'))
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const router: Router = getRouter()
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// eslint-disable-next-line @typescript-eslint/no-misused-promises
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router.get('/room/:roomKey', asyncMiddleware(
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async (req: Request, res: Response, _next: NextFunction): Promise<void> => {
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res.removeHeader('X-Frame-Options') // this route can be opened in an iframe
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const roomKey = req.params.roomKey
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const settings = await settingsManager.getSettings([
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'prosody-room-type',
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'disable-websocket',
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'converse-theme', 'converse-autocolors'
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])
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const boshUri = getBaseRouterRoute(options) + 'http-bind'
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let wsUri = settings['disable-websocket']
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? undefined
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: getBaseWebSocketRoute(options) // can be undefined
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wsUri = wsUri !== undefined ? wsUri + 'xmpp-websocket' : ''
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let room: string
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let autoViewerMode: boolean = false
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let forceReadonly: 'true' | 'false' | 'noscroll' = 'false'
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let converseJSTheme: string = settings['converse-theme'] as string
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let transparent: boolean = false
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if (!/^\w+$/.test(converseJSTheme)) {
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converseJSTheme = 'peertube'
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}
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const prosodyDomain = await getProsodyDomain(options)
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const jid = 'anon.' + prosodyDomain
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if (req.query.forcetype === '1') {
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// We come from the room list in the settings page.
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// Here we don't read the prosody-room-type settings,
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// but use the roomKey format.
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// NB: there is no extra security. Any user can add this parameter.
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// This is not an issue: the setting will be tested at the room creation.
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// No room can be created in the wrong mode.
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if (/^channel\.\d+$/.test(roomKey)) {
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room = 'channel.{{CHANNEL_ID}}@room.' + prosodyDomain
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} else {
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room = '{{VIDEO_UUID}}@room.' + prosodyDomain
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}
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} else {
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if (settings['prosody-room-type'] === 'channel') {
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room = 'channel.{{CHANNEL_ID}}@room.' + prosodyDomain
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} else {
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room = '{{VIDEO_UUID}}@room.' + prosodyDomain
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}
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}
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const authenticationUrl = options.peertubeHelpers.config.getWebserverUrl() +
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getBaseRouterRoute(options) +
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'api/auth'
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if (req.query._readonly === 'true') {
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forceReadonly = 'true'
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} else if (req.query._readonly === 'noscroll') {
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forceReadonly = 'noscroll'
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} else {
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autoViewerMode = true // auto join the chat in viewer mode, if not logged in
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}
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if (req.query._transparent === 'true') {
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transparent = true
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}
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let video: MVideoThumbnail | undefined
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let channelId: number
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const channelMatches = roomKey.match(/^channel\.(\d+)$/)
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if (channelMatches?.[1]) {
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channelId = parseInt(channelMatches[1])
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// Here we are on a channel room...
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const channelInfos = await getChannelInfosById(options, channelId)
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if (!channelInfos) {
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throw new Error('Channel not found')
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}
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channelId = channelInfos.id
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} else {
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const uuid = roomKey // must be a video UUID.
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video = await peertubeHelpers.videos.loadByIdOrUUID(uuid)
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if (!video) {
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throw new Error('Video not found')
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}
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channelId = video.channelId
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}
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let page = '' + (converseJSIndex as string)
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const baseStaticUrl = getBaseStaticRoute(options)
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page = page.replace(/{{BASE_STATIC_URL}}/g, baseStaticUrl)
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page = page.replace(/{{JID}}/g, jid)
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// Computing the room name...
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if (room.includes('{{VIDEO_UUID}}')) {
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if (!video) {
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throw new Error('Missing video')
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}
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room = room.replace(/{{VIDEO_UUID}}/g, video.uuid)
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}
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room = room.replace(/{{CHANNEL_ID}}/g, `${channelId}`)
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if (room.includes('{{CHANNEL_NAME}}')) {
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const channelName = await getChannelNameById(options, channelId)
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if (channelName === null) {
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throw new Error('Channel not found')
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}
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if (!/^[a-zA-Z0-9_.]+$/.test(channelName)) {
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// FIXME: see if there is a response here https://github.com/Chocobozzz/PeerTube/issues/4301 for allowed chars
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peertubeHelpers.logger.error(`Invalid channel name, contains unauthorized chars: '${channelName}'`)
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throw new Error('Invalid channel name, contains unauthorized chars')
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}
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room = room.replace(/{{CHANNEL_NAME}}/g, channelName)
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}
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let autocolorsStyles = ''
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if (
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settings['converse-autocolors'] &&
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isAutoColorsAvailable(settings['converse-theme'] as string)
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) {
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peertubeHelpers.logger.debug('Trying to load AutoColors...')
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const autocolors: AutoColors = {
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mainForeground: req.query._ac_mainForeground?.toString() ?? '',
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mainBackground: req.query._ac_mainBackground?.toString() ?? '',
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greyForeground: req.query._ac_greyForeground?.toString() ?? '',
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greyBackground: req.query._ac_greyBackground?.toString() ?? '',
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menuForeground: req.query._ac_menuForeground?.toString() ?? '',
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menuBackground: req.query._ac_menuBackground?.toString() ?? '',
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inputForeground: req.query._ac_inputForeground?.toString() ?? '',
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inputBackground: req.query._ac_inputBackground?.toString() ?? '',
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buttonForeground: req.query._ac_buttonForeground?.toString() ?? '',
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buttonBackground: req.query._ac_buttonBackground?.toString() ?? '',
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link: req.query._ac_link?.toString() ?? '',
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linkHover: req.query._ac_linkHover?.toString() ?? ''
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}
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if (!Object.values(autocolors).find(c => c !== '')) {
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peertubeHelpers.logger.debug('All AutoColors are empty.')
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} else {
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const autoColorsTest = areAutoColorsValid(autocolors)
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if (autoColorsTest === true) {
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autocolorsStyles = `
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<style>
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:root {
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--peertube-main-foreground: ${autocolors.mainForeground};
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--peertube-main-background: ${autocolors.mainBackground};
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--peertube-grey-foreground: ${autocolors.greyForeground};
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--peertube-grey-background: ${autocolors.greyBackground};
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--peertube-menu-foreground: ${autocolors.menuForeground};
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--peertube-menu-background: ${autocolors.menuBackground};
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--peertube-input-foreground: ${autocolors.inputForeground};
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--peertube-input-background: ${autocolors.inputBackground};
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--peertube-button-foreground: ${autocolors.buttonForeground};
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--peertube-button-background: ${autocolors.buttonBackground};
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--peertube-link: ${autocolors.link};
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--peertube-link-hover: ${autocolors.linkHover};
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}
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</style>
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`
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} else {
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peertubeHelpers.logger.error('Provided AutoColors are invalid.', autoColorsTest)
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}
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}
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} else {
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peertubeHelpers.logger.debug('No AutoColors.')
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}
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// ... then inject it in the page.
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page = page.replace(/{{ROOM}}/g, room)
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page = page.replace(/{{BOSH_SERVICE_URL}}/g, boshUri)
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page = page.replace(/{{WS_SERVICE_URL}}/g, wsUri)
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page = page.replace(/{{AUTHENTICATION_URL}}/g, authenticationUrl)
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page = page.replace(/{{AUTOVIEWERMODE}}/g, autoViewerMode ? 'true' : 'false')
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page = page.replace(/{{CONVERSEJS_THEME}}/g, converseJSTheme)
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page = page.replace(/{{CONVERSEJS_AUTOCOLORS}}/g, autocolorsStyles)
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page = page.replace(/{{FORCEREADONLY}}/g, forceReadonly)
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page = page.replace(/{{TRANSPARENT}}/g, transparent ? 'true' : 'false')
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res.status(200)
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res.type('html')
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res.send(page)
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}
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))
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await disableProxyRoute(options)
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router.post('/http-bind',
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(req: Request, res: Response, next: NextFunction) => {
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try {
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if (!currentHttpBindProxy) {
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res.status(404)
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res.send('Not found')
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return
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}
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req.url = 'http-bind'
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currentHttpBindProxy.web(req, res)
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} catch (err) {
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next(err)
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}
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}
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)
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// Peertube >=5.0.0: Adding the websocket route.
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if (registerWebSocketRoute) {
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registerWebSocketRoute({
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route: '/xmpp-websocket',
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handler: (request, socket, head) => {
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if (!currentWebsocketProxy) {
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throw new Error('There is no current websocket proxy, should not get here.')
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}
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currentWebsocketProxy.ws(request, socket, head)
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}
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})
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}
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router.get('/prosody-list-rooms', asyncMiddleware(
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async (req: Request, res: Response, _next: NextFunction) => {
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if (!res.locals.authenticated) {
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res.sendStatus(403)
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return
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}
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if (!await isUserAdmin(options, res)) {
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res.sendStatus(403)
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return
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}
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if (!currentProsodyProxyInfo) {
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throw new Error('It seems that prosody is not binded... Cant list rooms.')
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}
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const apiUrl = `http://localhost:${currentProsodyProxyInfo.port}/peertubelivechat_list_rooms/list-rooms`
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peertubeHelpers.logger.debug('Calling list rooms API on url: ' + apiUrl)
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const rooms = await got(apiUrl, {
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method: 'GET',
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headers: {
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authorization: 'Bearer ' + await getAPIKey(options),
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host: currentProsodyProxyInfo.host
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},
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responseType: 'json',
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resolveBodyOnly: true
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})
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if (Array.isArray(rooms)) {
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for (let i = 0; i < rooms.length; i++) {
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const room: ProsodyListRoomsResultRoom = rooms[i]
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const matches = room.localpart.match(/^channel\.(\d+)$/)
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if (matches?.[1]) {
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const channelId = parseInt(matches[1])
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const channelInfos = await getChannelInfosById(options, channelId)
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if (channelInfos) {
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room.channel = {
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id: channelInfos.id,
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name: channelInfos.name,
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displayName: channelInfos.displayName
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}
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}
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}
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}
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}
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res.status(200)
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const r: ProsodyListRoomsResult = {
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ok: true,
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rooms: rooms
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}
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res.json(r)
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}
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))
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return router
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}
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async function disableProxyRoute ({ peertubeHelpers }: RegisterServerOptions): Promise<void> {
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// Note: I tried to promisify the httpbind proxy closing (by waiting for the callback call).
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// But this seems to never happen, and stucked the plugin uninstallation.
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// So I don't wait.
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try {
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currentProsodyProxyInfo = null
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if (currentHttpBindProxy) {
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peertubeHelpers.logger.info('Closing the http bind proxy...')
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currentHttpBindProxy.close()
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currentHttpBindProxy = null
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}
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if (currentWebsocketProxy) {
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peertubeHelpers.logger.info('Closing the websocket proxy...')
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currentWebsocketProxy.close()
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currentWebsocketProxy = null
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}
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} catch (err) {
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peertubeHelpers.logger.error('Seems that the http bind proxy close has failed: ' + (err as string))
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}
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}
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async function enableProxyRoute (
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{ peertubeHelpers }: RegisterServerOptions,
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prosodyProxyInfo: ProsodyProxyInfo
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): Promise<void> {
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const logger = peertubeHelpers.logger
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if (!/^\d+$/.test(prosodyProxyInfo.port)) {
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logger.error(`Port '${prosodyProxyInfo.port}' is not valid. Aborting.`)
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return
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}
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currentProsodyProxyInfo = prosodyProxyInfo
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logger.info('Creating a new http bind proxy')
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currentHttpBindProxy = createProxyServer({
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target: 'http://localhost:' + prosodyProxyInfo.port + '/http-bind',
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ignorePath: true
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})
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currentHttpBindProxy.on('error', (err, req, res) => {
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// We must handle errors, otherwise Peertube server crashes!
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logger.error(
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'The http bind proxy got an error ' +
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'(this can be normal if you updated/uninstalled the plugin, or shutdowned peertube while users were chatting): ' +
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err.message
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)
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if ('writeHead' in res) {
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res.writeHead(500)
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}
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res.end('')
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})
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currentHttpBindProxy.on('close', () => {
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logger.info('Got a close event for the http bind proxy')
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})
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logger.info('Creating a new websocket proxy')
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currentWebsocketProxy = createProxyServer({
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target: 'http://localhost:' + prosodyProxyInfo.port + '/xmpp-websocket',
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ignorePath: true,
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ws: true
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})
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currentWebsocketProxy.on('error', (err, req, res) => {
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// We must handle errors, otherwise Peertube server crashes!
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logger.error(
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'The websocket proxy got an error ' +
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'(this can be normal if you updated/uninstalled the plugin, or shutdowned peertube while users were chatting): ' +
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err.message
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)
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if ('writeHead' in res) {
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res.writeHead(500)
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}
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res.end('')
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})
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currentWebsocketProxy.on('close', () => {
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logger.info('Got a close event for the websocket proxy')
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})
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}
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export {
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initWebchatRouter,
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disableProxyRoute,
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enableProxyRoute
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}
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