-import { parallel } from 'async'
+import * as Bluebird from 'bluebird'
import * as express from 'express'
-import * as fs from 'fs'
import { join } from 'path'
import * as validator from 'validator'
-
-import { database as db } from '../initializers/database'
+import { escapeHTML, readFileBufferPromise, root } from '../helpers/core-utils'
import {
+ ACCEPT_HEADERS,
CONFIG,
- REMOTE_SCHEME,
- STATIC_PATHS,
- STATIC_MAX_AGE
+ EMBED_SIZE,
+ OPENGRAPH_AND_OEMBED_COMMENT,
+ STATIC_MAX_AGE,
+ STATIC_PATHS
} from '../initializers'
-import { root } from '../helpers'
-import { VideoInstance } from '../models'
+import { asyncMiddleware } from '../middlewares'
+import { VideoModel } from '../models/video/video'
+import { VideoPrivacy } from '../../shared/models/videos'
+import { I18N_LOCALES, is18nLocale, getDefaultLocale } from '../../shared/models'
const clientsRouter = express.Router()
-// TODO: move to constants
-const opengraphComment = '<!-- opengraph tags -->'
const distPath = join(root(), 'client', 'dist')
+const assetsImagesPath = join(root(), 'client', 'dist', 'assets', 'images')
const embedPath = join(distPath, 'standalone', 'videos', 'embed.html')
-const indexPath = join(distPath, 'index.html')
-// Special route that add OpenGraph tags
+// Special route that add OpenGraph and oEmbed tags
// Do not use a template engine for a so little thing
-clientsRouter.use('/videos/watch/:id', generateWatchHtmlPage)
+clientsRouter.use('/videos/watch/:id',
+ asyncMiddleware(generateWatchHtmlPage)
+)
-clientsRouter.use('/videos/embed', function (req: express.Request, res: express.Response, next: express.NextFunction) {
+clientsRouter.use('/videos/embed', (req: express.Request, res: express.Response, next: express.NextFunction) => {
res.sendFile(embedPath)
})
// Static HTML/CSS/JS client files
+
+const staticClientFiles = [
+ 'manifest.json',
+ '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 }))
// 404 for static files not found
-clientsRouter.use('/client/*', function (req: express.Request, res: express.Response, next: express.NextFunction) {
+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)?', function (req, res) {
+ if (req.accepts(ACCEPT_HEADERS) === 'html') {
+ return res.sendFile(getIndexPath(req, req.params.language))
+ }
+
+ return res.status(404).end()
+})
+
// ---------------------------------------------------------------------------
export {
// ---------------------------------------------------------------------------
-function addOpenGraphTags (htmlStringPage: string, video: VideoInstance) {
- let basePreviewUrlHttp
+function getIndexPath (req: express.Request, paramLang?: string) {
+ let lang: string
- if (video.isOwned()) {
- basePreviewUrlHttp = CONFIG.WEBSERVER.URL
+ // Check param lang validity
+ if (paramLang && is18nLocale(paramLang)) {
+ lang = paramLang
} else {
- basePreviewUrlHttp = REMOTE_SCHEME.HTTP + '://' + video.Author.Pod.host
+ // lang = req.acceptsLanguages(Object.keys(I18N_LOCALES)) || getDefaultLocale()
+ // Disable auto language for now
+ lang = getDefaultLocale()
}
- // We fetch the remote preview (bigger than the thumbnail)
- // This should not overhead the remote server since social websites put in a cache the OpenGraph tags
- // We can't use the thumbnail because these social websites want bigger images (> 200x200 for Facebook for example)
- const previewUrl = basePreviewUrlHttp + STATIC_PATHS.PREVIEWS + video.getPreviewName()
- const videoUrl = CONFIG.WEBSERVER.URL + '/videos/watch/' + video.id
+ return join(__dirname, '../../../client/dist/' + lang + '/index.html')
+}
+
+function addOpenGraphAndOEmbedTags (htmlStringPage: string, video: VideoModel) {
+ const previewUrl = CONFIG.WEBSERVER.URL + STATIC_PATHS.PREVIEWS + video.getPreviewName()
+ const videoUrl = CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
- const metaTags = {
+ const videoNameEscaped = escapeHTML(video.name)
+ const videoDescriptionEscaped = escapeHTML(video.description)
+ const embedUrl = CONFIG.WEBSERVER.URL + video.getEmbedPath()
+
+ const openGraphMetaTags = {
'og:type': 'video',
- 'og:title': video.name,
+ 'og:title': videoNameEscaped,
'og:image': previewUrl,
'og:url': videoUrl,
- 'og:description': video.description,
+ 'og:description': videoDescriptionEscaped,
+
+ 'og:video:url': embedUrl,
+ 'og:video:secure_url': embedUrl,
+ 'og:video:type': 'text/html',
+ 'og:video:width': EMBED_SIZE.width,
+ 'og:video:height': EMBED_SIZE.height,
- 'name': video.name,
- 'description': video.description,
+ 'name': videoNameEscaped,
+ 'description': videoDescriptionEscaped,
'image': previewUrl,
- 'twitter:card': 'summary_large_image',
- 'twitter:site': '@Chocobozzz',
- 'twitter:title': video.name,
- 'twitter:description': video.description,
- 'twitter:image': previewUrl
+ 'twitter:card': CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image',
+ 'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME,
+ 'twitter:title': videoNameEscaped,
+ 'twitter:description': videoDescriptionEscaped,
+ 'twitter:image': previewUrl,
+ 'twitter:player': embedUrl,
+ 'twitter:player:width': EMBED_SIZE.width,
+ 'twitter:player:height': EMBED_SIZE.height
+ }
+
+ const oembedLinkTags = [
+ {
+ type: 'application/json+oembed',
+ href: CONFIG.WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(videoUrl),
+ title: videoNameEscaped
+ }
+ ]
+
+ const schemaTags = {
+ '@context': 'http://schema.org',
+ '@type': 'VideoObject',
+ name: videoNameEscaped,
+ description: videoDescriptionEscaped,
+ thumbnailUrl: previewUrl,
+ uploadDate: video.createdAt.toISOString(),
+ duration: video.getActivityStreamDuration(),
+ contentUrl: videoUrl,
+ embedUrl: embedUrl,
+ interactionCount: video.views
}
let tagsString = ''
- Object.keys(metaTags).forEach(function (tagName) {
- const tagValue = metaTags[tagName]
- tagsString += '<meta property="' + tagName + '" content="' + tagValue + '" />'
+ // Opengraph
+ Object.keys(openGraphMetaTags).forEach(tagName => {
+ const tagValue = openGraphMetaTags[tagName]
+
+ tagsString += `<meta property="${tagName}" content="${tagValue}" />`
})
- return htmlStringPage.replace(opengraphComment, tagsString)
+ // OEmbed
+ for (const oembedLinkTag of oembedLinkTags) {
+ tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />`
+ }
+
+ // Schema.org
+ tagsString += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>`
+
+ // SEO
+ tagsString += `<link rel="canonical" href="${videoUrl}" />`
+
+ return htmlStringPage.replace(OPENGRAPH_AND_OEMBED_COMMENT, tagsString)
}
-function generateWatchHtmlPage (req: express.Request, res: express.Response, next: express.NextFunction) {
+async function generateWatchHtmlPage (req: express.Request, res: express.Response, next: express.NextFunction) {
const videoId = '' + req.params.id
+ let videoPromise: Bluebird<VideoModel>
// Let Angular application handle errors
- if (!validator.isUUID(videoId, 4)) return res.sendFile(indexPath)
-
- parallel({
- file: function (callback) {
- fs.readFile(indexPath, callback)
- },
+ if (validator.isUUID(videoId, 4)) {
+ videoPromise = VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(videoId)
+ } else if (validator.isInt(videoId)) {
+ videoPromise = VideoModel.loadAndPopulateAccountAndServerAndTags(+videoId)
+ } else {
+ return res.sendFile(getIndexPath(req))
+ }
- video: function (callback) {
- db.Video.loadAndPopulateAuthorAndPodAndTags(videoId, callback)
- }
- }, function (err: Error, result: { file: Buffer, video: VideoInstance }) {
- if (err) return next(err)
+ let [ file, video ] = await Promise.all([
+ readFileBufferPromise(getIndexPath(req)),
+ videoPromise
+ ])
- const html = result.file.toString()
- const video = result.video
+ const html = file.toString()
- // Let Angular application handle errors
- if (!video) return res.sendFile(indexPath)
+ // Let Angular application handle errors
+ if (!video || video.privacy === VideoPrivacy.PRIVATE) return res.sendFile(getIndexPath(req))
- const htmlStringPageWithTags = addOpenGraphTags(html, video)
- res.set('Content-Type', 'text/html; charset=UTF-8').send(htmlStringPageWithTags)
- })
+ const htmlStringPageWithTags = addOpenGraphAndOEmbedTags(html, video)
+ res.set('Content-Type', 'text/html; charset=UTF-8').send(htmlStringPageWithTags)
}