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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' | |
5 | import { asyncMiddleware, embedCSP } 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' | |
9 | ||
10 | const clientsRouter = express.Router() | |
11 | ||
12 | const distPath = join(root(), 'client', 'dist') | |
13 | const assetsImagesPath = join(root(), 'client', 'dist', 'assets', 'images') | |
14 | const embedPath = join(distPath, 'standalone', 'videos', 'embed.html') | |
15 | const testEmbedPath = join(distPath, 'standalone', 'videos', 'test-embed.html') | |
16 | ||
17 | // Special route that add OpenGraph and oEmbed tags | |
18 | // Do not use a template engine for a so little thing | |
19 | clientsRouter.use('/videos/watch/:id', asyncMiddleware(generateWatchHtmlPage)) | |
20 | ||
21 | clientsRouter.use( | |
22 | '/videos/embed', | |
23 | embedCSP, | |
24 | (req: express.Request, res: express.Response) => { | |
25 | res.removeHeader('X-Frame-Options') | |
26 | res.sendFile(embedPath) | |
27 | } | |
28 | ) | |
29 | clientsRouter.use( | |
30 | '/videos/test-embed', | |
31 | (req: express.Request, res: express.Response) => res.sendFile(testEmbedPath) | |
32 | ) | |
33 | ||
34 | // Static HTML/CSS/JS client files | |
35 | ||
36 | const staticClientFiles = [ | |
37 | 'manifest.webmanifest', | |
38 | 'ngsw-worker.js', | |
39 | 'ngsw.json' | |
40 | ] | |
41 | for (const staticClientFile of staticClientFiles) { | |
42 | const path = join(root(), 'client', 'dist', staticClientFile) | |
43 | clientsRouter.use('/' + staticClientFile, express.static(path, { maxAge: STATIC_MAX_AGE })) | |
44 | } | |
45 | ||
46 | clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE })) | |
47 | clientsRouter.use('/client/assets/images', express.static(assetsImagesPath, { maxAge: STATIC_MAX_AGE })) | |
48 | ||
49 | clientsRouter.use('/client/locales/:locale/:file.json', function (req, res) { | |
50 | const locale = req.params.locale | |
51 | const file = req.params.file | |
52 | ||
53 | if (is18nLocale(locale) && LOCALE_FILES.indexOf(file) !== -1) { | |
54 | const completeLocale = getCompleteLocale(locale) | |
55 | const completeFileLocale = buildFileLocale(completeLocale) | |
56 | return res.sendFile(join(__dirname, `../../../client/dist/locale/${file}_${completeFileLocale}.json`)) | |
57 | } | |
58 | ||
59 | return res.sendStatus(404) | |
60 | }) | |
61 | ||
62 | // 404 for static files not found | |
63 | clientsRouter.use('/client/*', (req: express.Request, res: express.Response, next: express.NextFunction) => { | |
64 | res.sendStatus(404) | |
65 | }) | |
66 | ||
67 | // Always serve index client page (the client is a single page application, let it handle routing) | |
68 | // Try to provide the right language index.html | |
69 | clientsRouter.use('/(:language)?', async function (req, res) { | |
70 | if (req.accepts(ACCEPT_HEADERS) === 'html') { | |
71 | try { | |
72 | await generateHTMLPage(req, res, req.params.language) | |
73 | return | |
74 | } catch (err) { | |
75 | logger.error('Cannot generate HTML page.', err) | |
76 | } | |
77 | } | |
78 | ||
79 | return res.status(404).end() | |
80 | }) | |
81 | ||
82 | // --------------------------------------------------------------------------- | |
83 | ||
84 | export { | |
85 | clientsRouter | |
86 | } | |
87 | ||
88 | // --------------------------------------------------------------------------- | |
89 | ||
90 | async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) { | |
91 | const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang) | |
92 | ||
93 | return sendHTML(html, res) | |
94 | } | |
95 | ||
96 | async function generateWatchHtmlPage (req: express.Request, res: express.Response) { | |
97 | const html = await ClientHtml.getWatchHTMLPage(req.params.id + '', req, res) | |
98 | ||
99 | return sendHTML(html, res) | |
100 | } | |
101 | ||
102 | function sendHTML (html: string, res: express.Response) { | |
103 | res.set('Content-Type', 'text/html; charset=UTF-8') | |
104 | ||
105 | return res.send(html) | |
106 | } |