PeerTube/server/controllers/client.ts

160 lines
5.3 KiB
TypeScript
Raw Normal View History

2017-12-28 11:16:08 +01:00
import * as Bluebird from 'bluebird'
2017-06-05 21:53:49 +02:00
import * as express from 'express'
2017-05-15 22:22:03 +02:00
import { join } from 'path'
2017-06-05 21:53:49 +02:00
import * as validator from 'validator'
2017-12-28 11:16:08 +01:00
import { escapeHTML, readFileBufferPromise, root } from '../helpers/core-utils'
import { CONFIG, EMBED_SIZE, OPENGRAPH_AND_OEMBED_COMMENT, STATIC_MAX_AGE, STATIC_PATHS } from '../initializers'
2017-10-25 11:55:06 +02:00
import { asyncMiddleware } from '../middlewares'
2017-12-12 17:53:50 +01:00
import { VideoModel } from '../models/video/video'
2016-11-11 10:55:07 +01:00
2017-05-15 22:22:03 +02:00
const clientsRouter = express.Router()
2016-11-11 10:55:07 +01:00
2017-05-22 20:58:25 +02:00
const distPath = join(root(), 'client', 'dist')
const assetsImagesPath = join(root(), 'client', 'dist', 'assets', 'images')
2017-05-22 20:58:25 +02:00
const embedPath = join(distPath, 'standalone', 'videos', 'embed.html')
2017-05-15 22:22:03 +02:00
const indexPath = join(distPath, 'index.html')
2016-11-11 10:55:07 +01:00
2017-10-16 10:05:49 +02:00
// Special route that add OpenGraph and oEmbed tags
2016-11-11 10:55:07 +01:00
// Do not use a template engine for a so little thing
2017-10-25 11:55:06 +02:00
clientsRouter.use('/videos/watch/:id',
asyncMiddleware(generateWatchHtmlPage)
)
2016-11-11 10:55:07 +01:00
2017-07-11 17:04:57 +02:00
clientsRouter.use('/videos/embed', (req: express.Request, res: express.Response, next: express.NextFunction) => {
2016-11-11 10:55:07 +01:00
res.sendFile(embedPath)
})
// Static HTML/CSS/JS client files
2018-02-22 14:15:23 +01:00
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 }))
}
2017-05-15 22:22:03 +02:00
clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE }))
2017-12-05 15:01:47 +01:00
clientsRouter.use('/client/assets/images', express.static(assetsImagesPath, { maxAge: STATIC_MAX_AGE }))
// 404 for static files not found
2017-07-11 17:04:57 +02:00
clientsRouter.use('/client/*', (req: express.Request, res: express.Response, next: express.NextFunction) => {
res.sendStatus(404)
})
2016-11-11 10:55:07 +01:00
// ---------------------------------------------------------------------------
2017-05-15 22:22:03 +02:00
export {
clientsRouter
}
2016-11-11 10:55:07 +01:00
// ---------------------------------------------------------------------------
2017-12-12 17:53:50 +01:00
function addOpenGraphAndOEmbedTags (htmlStringPage: string, video: VideoModel) {
const previewUrl = CONFIG.WEBSERVER.URL + STATIC_PATHS.PREVIEWS + video.getPreviewName()
2017-10-16 10:05:49 +02:00
const videoUrl = CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
2016-11-11 10:55:07 +01:00
2017-11-28 17:11:07 +01:00
const videoNameEscaped = escapeHTML(video.name)
const videoDescriptionEscaped = escapeHTML(video.description)
2017-10-26 15:16:05 +02:00
const embedUrl = CONFIG.WEBSERVER.URL + video.getEmbedPath()
2017-10-17 16:53:10 +02:00
2017-10-16 10:05:49 +02:00
const openGraphMetaTags = {
2016-11-11 10:55:07 +01:00
'og:type': 'video',
2017-11-28 17:11:07 +01:00
'og:title': videoNameEscaped,
'og:image': previewUrl,
2016-11-11 10:55:07 +01:00
'og:url': videoUrl,
2017-11-28 17:11:07 +01:00
'og:description': videoDescriptionEscaped,
2016-11-11 10:55:07 +01:00
2017-10-26 15:16:05 +02:00
'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,
2017-11-28 17:11:07 +01:00
'name': videoNameEscaped,
'description': videoDescriptionEscaped,
'image': previewUrl,
2016-11-11 10:55:07 +01:00
'twitter:card': CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image',
'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME,
2017-11-28 17:11:07 +01:00
'twitter:title': videoNameEscaped,
'twitter:description': videoDescriptionEscaped,
2017-10-26 15:16:05 +02:00
'twitter:image': previewUrl,
'twitter:player': embedUrl,
'twitter:player:width': EMBED_SIZE.width,
'twitter:player:height': EMBED_SIZE.height
2016-11-11 10:55:07 +01:00
}
2017-10-16 10:05:49 +02:00
const oembedLinkTags = [
{
type: 'application/json+oembed',
href: CONFIG.WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(videoUrl),
2017-11-28 17:11:07 +01:00
title: videoNameEscaped
2017-10-16 10:05:49 +02:00
}
]
2018-01-23 17:09:06 +01:00
const schemaTags = {
'@context': 'http://schema.org',
'@type': 'VideoObject',
2018-01-23 17:09:06 +01:00
name: videoNameEscaped,
description: videoDescriptionEscaped,
2018-02-28 09:39:08 +01:00
thumbnailUrl: previewUrl,
uploadDate: video.createdAt.toISOString(),
2018-01-23 17:09:06 +01:00
duration: video.getActivityStreamDuration(),
2018-02-28 09:39:08 +01:00
contentUrl: videoUrl,
embedUrl: embedUrl,
interactionCount: video.views
2018-01-23 17:09:06 +01:00
}
2016-11-11 10:55:07 +01:00
let tagsString = ''
// Opengraph
2017-10-16 10:05:49 +02:00
Object.keys(openGraphMetaTags).forEach(tagName => {
const tagValue = openGraphMetaTags[tagName]
2016-11-11 10:55:07 +01:00
2017-10-16 10:05:49 +02:00
tagsString += `<meta property="${tagName}" content="${tagValue}" />`
2016-11-11 10:55:07 +01:00
})
// OEmbed
2017-10-16 10:05:49 +02:00
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>`
2018-01-23 17:09:06 +01:00
2018-02-28 09:39:08 +01:00
// SEO
tagsString += `<link rel="canonical" href="${videoUrl}" />`
2017-10-16 10:05:49 +02:00
return htmlStringPage.replace(OPENGRAPH_AND_OEMBED_COMMENT, tagsString)
2016-11-11 10:55:07 +01:00
}
2017-10-25 11:55:06 +02:00
async function generateWatchHtmlPage (req: express.Request, res: express.Response, next: express.NextFunction) {
2017-06-10 22:15:25 +02:00
const videoId = '' + req.params.id
2017-12-12 17:53:50 +01:00
let videoPromise: Bluebird<VideoModel>
// Let Angular application handle errors
if (validator.isUUID(videoId, 4)) {
2017-12-12 17:53:50 +01:00
videoPromise = VideoModel.loadByUUIDAndPopulateAccountAndServerAndTags(videoId)
} else if (validator.isInt(videoId)) {
2017-12-12 17:53:50 +01:00
videoPromise = VideoModel.loadAndPopulateAccountAndServerAndTags(+videoId)
} else {
return res.sendFile(indexPath)
}
2017-10-25 11:55:06 +02:00
let [ file, video ] = await Promise.all([
readFileBufferPromise(indexPath),
videoPromise
])
2016-11-11 10:55:07 +01:00
2017-10-25 11:55:06 +02:00
const html = file.toString()
2017-10-25 11:55:06 +02:00
// Let Angular application handle errors
if (!video) return res.sendFile(indexPath)
const htmlStringPageWithTags = addOpenGraphAndOEmbedTags(html, video)
res.set('Content-Type', 'text/html; charset=UTF-8').send(htmlStringPageWithTags)
2016-11-11 10:55:07 +01:00
}