124 lines
3.8 KiB
TypeScript
124 lines
3.8 KiB
TypeScript
import * as express from 'express'
|
|
import { join } from 'path'
|
|
import * as validator from 'validator'
|
|
import * as Promise from 'bluebird'
|
|
|
|
import { database as db } from '../initializers/database'
|
|
import {
|
|
CONFIG,
|
|
STATIC_PATHS,
|
|
STATIC_MAX_AGE,
|
|
OPENGRAPH_AND_OEMBED_COMMENT
|
|
} from '../initializers'
|
|
import { root, readFileBufferPromise, escapeHTML } from '../helpers'
|
|
import { VideoInstance } from '../models'
|
|
|
|
const clientsRouter = express.Router()
|
|
|
|
const distPath = join(root(), 'client', 'dist')
|
|
const embedPath = join(distPath, 'standalone', 'videos', 'embed.html')
|
|
const indexPath = join(distPath, 'index.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', generateWatchHtmlPage)
|
|
|
|
clientsRouter.use('/videos/embed', (req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
res.sendFile(embedPath)
|
|
})
|
|
|
|
// Static HTML/CSS/JS client files
|
|
clientsRouter.use('/client', express.static(distPath, { maxAge: STATIC_MAX_AGE }))
|
|
|
|
// 404 for static files not found
|
|
clientsRouter.use('/client/*', (req: express.Request, res: express.Response, next: express.NextFunction) => {
|
|
res.sendStatus(404)
|
|
})
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
export {
|
|
clientsRouter
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
function addOpenGraphAndOEmbedTags (htmlStringPage: string, video: VideoInstance) {
|
|
const previewUrl = CONFIG.WEBSERVER.URL + STATIC_PATHS.PREVIEWS + video.getPreviewName()
|
|
const videoUrl = CONFIG.WEBSERVER.URL + '/videos/watch/' + video.uuid
|
|
|
|
const videoName = escapeHTML(video.name)
|
|
const videoDescription = escapeHTML(video.description)
|
|
|
|
const openGraphMetaTags = {
|
|
'og:type': 'video',
|
|
'og:title': videoName,
|
|
'og:image': previewUrl,
|
|
'og:url': videoUrl,
|
|
'og:description': videoDescription,
|
|
|
|
'name': videoName,
|
|
'description': videoDescription,
|
|
'image': previewUrl,
|
|
|
|
'twitter:card': 'summary_large_image',
|
|
'twitter:site': '@Chocobozzz',
|
|
'twitter:title': videoName,
|
|
'twitter:description': videoDescription,
|
|
'twitter:image': previewUrl
|
|
}
|
|
|
|
const oembedLinkTags = [
|
|
{
|
|
type: 'application/json+oembed',
|
|
href: CONFIG.WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(videoUrl),
|
|
title: videoName
|
|
}
|
|
]
|
|
|
|
let tagsString = ''
|
|
Object.keys(openGraphMetaTags).forEach(tagName => {
|
|
const tagValue = openGraphMetaTags[tagName]
|
|
|
|
tagsString += `<meta property="${tagName}" content="${tagValue}" />`
|
|
})
|
|
|
|
for (const oembedLinkTag of oembedLinkTags) {
|
|
tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />`
|
|
}
|
|
|
|
return htmlStringPage.replace(OPENGRAPH_AND_OEMBED_COMMENT, tagsString)
|
|
}
|
|
|
|
function generateWatchHtmlPage (req: express.Request, res: express.Response, next: express.NextFunction) {
|
|
const videoId = '' + req.params.id
|
|
let videoPromise: Promise<VideoInstance>
|
|
|
|
// Let Angular application handle errors
|
|
if (validator.isUUID(videoId, 4)) {
|
|
videoPromise = db.Video.loadByUUIDAndPopulateAuthorAndPodAndTags(videoId)
|
|
} else if (validator.isInt(videoId)) {
|
|
videoPromise = db.Video.loadAndPopulateAuthorAndPodAndTags(+videoId)
|
|
} else {
|
|
return res.sendFile(indexPath)
|
|
}
|
|
|
|
Promise.all([
|
|
readFileBufferPromise(indexPath),
|
|
videoPromise
|
|
])
|
|
.then(([ file, video ]) => {
|
|
file = file as Buffer
|
|
video = video as VideoInstance
|
|
|
|
const html = file.toString()
|
|
|
|
// 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)
|
|
})
|
|
.catch(err => next(err))
|
|
}
|