1 import * as express from 'express'
2 import { join } from 'path'
3 import { root } from '../helpers/core-utils'
4 import { ACCEPT_HEADERS, STATIC_MAX_AGE } from '../initializers/constants'
5 import { asyncMiddleware } from '../middlewares'
6 import { buildFileLocale, getCompleteLocale, is18nLocale, LOCALE_FILES } from '../../shared/models/i18n/i18n'
7 import { ClientHtml } from '../lib/client-html'
8 import { logger } from '../helpers/logger'
10 const clientsRouter = express.Router()
12 const distPath = join(root(), 'client', 'dist')
13 const embedPath = join(distPath, 'standalone', 'videos', 'embed.html')
14 const testEmbedPath = join(distPath, 'standalone', 'videos', 'test-embed.html')
16 // Special route that add OpenGraph and oEmbed tags
17 // Do not use a template engine for a so little thing
18 clientsRouter.use('/videos/watch/:id', asyncMiddleware(generateWatchHtmlPage))
19 clientsRouter.use('/accounts/:nameWithHost', asyncMiddleware(generateAccountHtmlPage))
20 clientsRouter.use('/video-channels/:nameWithHost', asyncMiddleware(generateVideoChannelHtmlPage))
24 (req: express.Request, res: express.Response) => {
25 res.removeHeader('X-Frame-Options')
26 res.sendFile(embedPath)
31 (req: express.Request, res: express.Response) => res.sendFile(testEmbedPath)
34 // Static HTML/CSS/JS client files
36 const staticClientFiles = [
37 'manifest.webmanifest',
41 for (const staticClientFile of staticClientFiles) {
42 const path = join(root(), 'client', 'dist', staticClientFile)
44 clientsRouter.get('/' + staticClientFile, (req: express.Request, res: express.Response) => {
45 res.sendFile(path, { maxAge: STATIC_MAX_AGE.SERVER })
49 clientsRouter.use('/client/locales/:locale/:file.json', serveServerTranslations)
50 clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE.CLIENT }))
52 // 404 for static files not found
53 clientsRouter.use('/client/*', (req: express.Request, res: express.Response) => {
57 // Always serve index client page (the client is a single page application, let it handle routing)
58 // Try to provide the right language index.html
59 clientsRouter.use('/(:language)?', asyncMiddleware(serveIndexHTML))
61 // ---------------------------------------------------------------------------
67 // ---------------------------------------------------------------------------
69 function serveServerTranslations (req: express.Request, res: express.Response) {
70 const locale = req.params.locale
71 const file = req.params.file
73 if (is18nLocale(locale) && LOCALE_FILES.indexOf(file) !== -1) {
74 const completeLocale = getCompleteLocale(locale)
75 const completeFileLocale = buildFileLocale(completeLocale)
77 const path = join(__dirname, `../../../client/dist/locale/${file}.${completeFileLocale}.json`)
78 return res.sendFile(path, { maxAge: STATIC_MAX_AGE.SERVER })
81 return res.sendStatus(404)
84 async function serveIndexHTML (req: express.Request, res: express.Response) {
85 if (req.accepts(ACCEPT_HEADERS) === 'html') {
87 await generateHTMLPage(req, res, req.params.language)
90 logger.error('Cannot generate HTML page.', err)
94 return res.status(404).end()
97 async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) {
98 const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang)
100 return sendHTML(html, res)
103 async function generateWatchHtmlPage (req: express.Request, res: express.Response) {
104 const html = await ClientHtml.getWatchHTMLPage(req.params.id + '', req, res)
106 return sendHTML(html, res)
109 async function generateAccountHtmlPage (req: express.Request, res: express.Response) {
110 const html = await ClientHtml.getAccountHTMLPage(req.params.nameWithHost, req, res)
112 return sendHTML(html, res)
115 async function generateVideoChannelHtmlPage (req: express.Request, res: express.Response) {
116 const html = await ClientHtml.getVideoChannelHTMLPage(req.params.nameWithHost, req, res)
118 return sendHTML(html, res)
121 function sendHTML (html: string, res: express.Response) {
122 res.set('Content-Type', 'text/html; charset=UTF-8')
124 return res.send(html)