import * as express from 'express' import { join } from 'path' import { root } from '../helpers/core-utils' import { ACCEPT_HEADERS, STATIC_MAX_AGE } from '../initializers' import { asyncMiddleware } from '../middlewares' import { buildFileLocale, getCompleteLocale, is18nLocale, LOCALE_FILES } from '../../shared/models/i18n/i18n' import { ClientHtml } from '../lib/client-html' import { logger } from '../helpers/logger' const clientsRouter = express.Router() const distPath = join(root(), 'client', 'dist') const assetsImagesPath = join(root(), 'client', 'dist', 'assets', 'images') const embedPath = join(distPath, 'standalone', 'videos', 'embed.html') const testEmbedPath = join(distPath, 'standalone', 'videos', 'test-embed.html') // Special route that add OpenGraph and oEmbed tags // Do not use a template engine for a so little thing clientsRouter.use('/videos/watch/:id', asyncMiddleware(generateWatchHtmlPage) ) clientsRouter.use('' + '/videos/embed', (req: express.Request, res: express.Response, next: express.NextFunction) => { res.removeHeader('X-Frame-Options') res.sendFile(embedPath) } ) clientsRouter.use('' + '/videos/test-embed', (req: express.Request, res: express.Response, next: express.NextFunction) => { res.sendFile(testEmbedPath) }) // Static HTML/CSS/JS client files const staticClientFiles = [ 'manifest.webmanifest', 'ngsw-worker.js', 'ngsw.json' ] for (const staticClientFile of staticClientFiles) { const path = join(root(), 'client', 'dist', staticClientFile) clientsRouter.use('/' + staticClientFile, express.static(path, { maxAge: STATIC_MAX_AGE })) } clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE })) clientsRouter.use('/client/assets/images', express.static(assetsImagesPath, { maxAge: STATIC_MAX_AGE })) clientsRouter.use('/client/locales/:locale/:file.json', function (req, res) { const locale = req.params.locale const file = req.params.file if (is18nLocale(locale) && LOCALE_FILES.indexOf(file) !== -1) { const completeLocale = getCompleteLocale(locale) const completeFileLocale = buildFileLocale(completeLocale) return res.sendFile(join(__dirname, `../../../client/dist/locale/${file}_${completeFileLocale}.json`)) } return res.sendStatus(404) }) // 404 for static files not found clientsRouter.use('/client/*', (req: express.Request, res: express.Response, next: express.NextFunction) => { res.sendStatus(404) }) // Always serve index client page (the client is a single page application, let it handle routing) // Try to provide the right language index.html clientsRouter.use('/(:language)?', async function (req, res) { if (req.accepts(ACCEPT_HEADERS) === 'html') { try { await generateHTMLPage(req, res, req.params.language) return } catch (err) { logger.error('Cannot generate HTML page.', err) } } return res.status(404).end() }) // --------------------------------------------------------------------------- export { clientsRouter } // --------------------------------------------------------------------------- async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { const html = await ClientHtml.getIndexHTML(req, res, paramLang) return sendHTML(html, res) } async function generateWatchHtmlPage (req: express.Request, res: express.Response) { const html = await ClientHtml.getWatchHTMLPage(req.params.id + '', req, res) return sendHTML(html, res) } function sendHTML (html: string, res: express.Response) { res.set('Content-Type', 'text/html; charset=UTF-8') return res.send(html) }