249 lines
8.8 KiB
TypeScript
249 lines
8.8 KiB
TypeScript
import * as express from 'express'
|
|
import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/models/i18n/i18n'
|
|
import { CUSTOM_HTML_TAG_COMMENTS, EMBED_SIZE, PLUGIN_GLOBAL_CSS_PATH, WEBSERVER } from '../initializers/constants'
|
|
import { join } from 'path'
|
|
import { escapeHTML, sha256 } from '../helpers/core-utils'
|
|
import { VideoModel } from '../models/video/video'
|
|
import * as validator from 'validator'
|
|
import { VideoPrivacy } from '../../shared/models/videos'
|
|
import { readFile } from 'fs-extra'
|
|
import { getActivityStreamDuration } from '../models/video/video-format-utils'
|
|
import { AccountModel } from '../models/account/account'
|
|
import { VideoChannelModel } from '../models/video/video-channel'
|
|
import * as Bluebird from 'bluebird'
|
|
import { CONFIG } from '../initializers/config'
|
|
import { logger } from '../helpers/logger'
|
|
|
|
export class ClientHtml {
|
|
|
|
private static htmlCache: { [ path: string ]: string } = {}
|
|
|
|
static invalidCache () {
|
|
logger.info('Cleaning HTML cache.')
|
|
|
|
ClientHtml.htmlCache = {}
|
|
}
|
|
|
|
static async getDefaultHTMLPage (req: express.Request, res: express.Response, paramLang?: string) {
|
|
const html = await ClientHtml.getIndexHTML(req, res, paramLang)
|
|
|
|
let customHtml = ClientHtml.addTitleTag(html)
|
|
customHtml = ClientHtml.addDescriptionTag(customHtml)
|
|
|
|
return customHtml
|
|
}
|
|
|
|
static async getWatchHTMLPage (videoId: string, req: express.Request, res: express.Response) {
|
|
// Let Angular application handle errors
|
|
if (!validator.isInt(videoId) && !validator.isUUID(videoId, 4)) {
|
|
return ClientHtml.getIndexHTML(req, res)
|
|
}
|
|
|
|
const [ html, video ] = await Promise.all([
|
|
ClientHtml.getIndexHTML(req, res),
|
|
VideoModel.loadAndPopulateAccountAndServerAndTags(videoId)
|
|
])
|
|
|
|
// Let Angular application handle errors
|
|
if (!video || video.privacy === VideoPrivacy.PRIVATE) {
|
|
return ClientHtml.getIndexHTML(req, res)
|
|
}
|
|
|
|
let customHtml = ClientHtml.addTitleTag(html, escapeHTML(video.name))
|
|
customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(video.description))
|
|
customHtml = ClientHtml.addVideoOpenGraphAndOEmbedTags(customHtml, video)
|
|
|
|
return customHtml
|
|
}
|
|
|
|
static async getAccountHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) {
|
|
return this.getAccountOrChannelHTMLPage(() => AccountModel.loadByNameWithHost(nameWithHost), req, res)
|
|
}
|
|
|
|
static async getVideoChannelHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) {
|
|
return this.getAccountOrChannelHTMLPage(() => VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost), req, res)
|
|
}
|
|
|
|
private static async getAccountOrChannelHTMLPage (
|
|
loader: () => Bluebird<AccountModel | VideoChannelModel>,
|
|
req: express.Request,
|
|
res: express.Response
|
|
) {
|
|
const [ html, entity ] = await Promise.all([
|
|
ClientHtml.getIndexHTML(req, res),
|
|
loader()
|
|
])
|
|
|
|
// Let Angular application handle errors
|
|
if (!entity) {
|
|
return ClientHtml.getIndexHTML(req, res)
|
|
}
|
|
|
|
let customHtml = ClientHtml.addTitleTag(html, escapeHTML(entity.getDisplayName()))
|
|
customHtml = ClientHtml.addDescriptionTag(customHtml, escapeHTML(entity.description))
|
|
customHtml = ClientHtml.addAccountOrChannelMetaTags(customHtml, entity)
|
|
|
|
return customHtml
|
|
}
|
|
|
|
private static async getIndexHTML (req: express.Request, res: express.Response, paramLang?: string) {
|
|
const path = ClientHtml.getIndexPath(req, res, paramLang)
|
|
if (ClientHtml.htmlCache[ path ]) return ClientHtml.htmlCache[ path ]
|
|
|
|
const buffer = await readFile(path)
|
|
|
|
let html = buffer.toString()
|
|
|
|
html = ClientHtml.addCustomCSS(html)
|
|
html = await ClientHtml.addAsyncPluginCSS(html)
|
|
|
|
ClientHtml.htmlCache[ path ] = html
|
|
|
|
return html
|
|
}
|
|
|
|
private static getIndexPath (req: express.Request, res: express.Response, paramLang?: string) {
|
|
let lang: string
|
|
|
|
// Check param lang validity
|
|
if (paramLang && is18nLocale(paramLang)) {
|
|
lang = paramLang
|
|
|
|
// Save locale in cookies
|
|
res.cookie('clientLanguage', lang, {
|
|
secure: WEBSERVER.SCHEME === 'https',
|
|
sameSite: true,
|
|
maxAge: 1000 * 3600 * 24 * 90 // 3 months
|
|
})
|
|
|
|
} else if (req.cookies.clientLanguage && is18nLocale(req.cookies.clientLanguage)) {
|
|
lang = req.cookies.clientLanguage
|
|
} else {
|
|
lang = req.acceptsLanguages(POSSIBLE_LOCALES) || getDefaultLocale()
|
|
}
|
|
|
|
return join(__dirname, '../../../client/dist/' + buildFileLocale(lang) + '/index.html')
|
|
}
|
|
|
|
private static addTitleTag (htmlStringPage: string, title?: string) {
|
|
let text = title || CONFIG.INSTANCE.NAME
|
|
if (title) text += ` - ${CONFIG.INSTANCE.NAME}`
|
|
|
|
const titleTag = `<title>${text}</title>`
|
|
|
|
return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag)
|
|
}
|
|
|
|
private static addDescriptionTag (htmlStringPage: string, description?: string) {
|
|
const content = description || CONFIG.INSTANCE.SHORT_DESCRIPTION
|
|
const descriptionTag = `<meta name="description" content="${content}" />`
|
|
|
|
return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag)
|
|
}
|
|
|
|
private static addCustomCSS (htmlStringPage: string) {
|
|
const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>`
|
|
|
|
return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag)
|
|
}
|
|
|
|
private static async addAsyncPluginCSS (htmlStringPage: string) {
|
|
const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH)
|
|
if (globalCSSContent.byteLength === 0) return htmlStringPage
|
|
|
|
const fileHash = sha256(globalCSSContent)
|
|
const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />`
|
|
|
|
return htmlStringPage.replace('</head>', linkTag + '</head>')
|
|
}
|
|
|
|
private static addVideoOpenGraphAndOEmbedTags (htmlStringPage: string, video: VideoModel) {
|
|
const previewUrl = WEBSERVER.URL + video.getPreviewStaticPath()
|
|
const videoUrl = WEBSERVER.URL + video.getWatchStaticPath()
|
|
|
|
const videoNameEscaped = escapeHTML(video.name)
|
|
const videoDescriptionEscaped = escapeHTML(video.description)
|
|
const embedUrl = WEBSERVER.URL + video.getEmbedStaticPath()
|
|
|
|
const openGraphMetaTags = {
|
|
'og:type': 'video',
|
|
'og:title': videoNameEscaped,
|
|
'og:image': previewUrl,
|
|
'og:url': videoUrl,
|
|
'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': videoNameEscaped,
|
|
'description': videoDescriptionEscaped,
|
|
'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: 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: getActivityStreamDuration(video.duration),
|
|
contentUrl: videoUrl,
|
|
embedUrl: embedUrl,
|
|
interactionCount: video.views
|
|
}
|
|
|
|
let tagsString = ''
|
|
|
|
// Opengraph
|
|
Object.keys(openGraphMetaTags).forEach(tagName => {
|
|
const tagValue = openGraphMetaTags[ tagName ]
|
|
|
|
tagsString += `<meta property="${tagName}" content="${tagValue}" />`
|
|
})
|
|
|
|
// OEmbed
|
|
for (const oembedLinkTag of oembedLinkTags) {
|
|
tagsString += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.title}" />`
|
|
}
|
|
|
|
// Schema.org
|
|
tagsString += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>`
|
|
|
|
// SEO, use origin video url so Google does not index remote videos
|
|
tagsString += `<link rel="canonical" href="${video.url}" />`
|
|
|
|
return this.addOpenGraphAndOEmbedTags(htmlStringPage, tagsString)
|
|
}
|
|
|
|
private static addAccountOrChannelMetaTags (htmlStringPage: string, entity: AccountModel | VideoChannelModel) {
|
|
// SEO, use origin account or channel URL
|
|
const metaTags = `<link rel="canonical" href="${entity.Actor.url}" />`
|
|
|
|
return this.addOpenGraphAndOEmbedTags(htmlStringPage, metaTags)
|
|
}
|
|
|
|
private static addOpenGraphAndOEmbedTags (htmlStringPage: string, metaTags: string) {
|
|
return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.META_TAGS, metaTags)
|
|
}
|
|
}
|