mirror of https://github.com/Chocobozzz/PeerTube
				
				
				
			
		
			
				
	
	
		
			596 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			TypeScript
		
	
	
			
		
		
	
	
			596 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			TypeScript
		
	
	
| import express from 'express'
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| import { readFile } from 'fs-extra'
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| import { join } from 'path'
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| import validator from 'validator'
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| import { toCompleteUUID } from '@server/helpers/custom-validators/misc'
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| import { mdToOneLinePlainText } from '@server/helpers/markdown'
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| import { ActorImageModel } from '@server/models/actor/actor-image'
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| import { root } from '@shared/core-utils'
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| import { escapeHTML } from '@shared/core-utils/renderer'
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| import { sha256 } from '@shared/extra-utils'
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| import { HTMLServerConfig } from '@shared/models'
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| import { buildFileLocale, getDefaultLocale, is18nLocale, POSSIBLE_LOCALES } from '../../shared/core-utils/i18n/i18n'
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| import { HttpStatusCode } from '../../shared/models/http/http-error-codes'
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| import { VideoPlaylistPrivacy, VideoPrivacy } from '../../shared/models/videos'
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| import { logger } from '../helpers/logger'
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| import { CONFIG } from '../initializers/config'
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| import {
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|   ACCEPT_HEADERS,
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|   CUSTOM_HTML_TAG_COMMENTS,
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|   EMBED_SIZE,
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|   FILES_CONTENT_HASH,
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|   PLUGIN_GLOBAL_CSS_PATH,
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|   WEBSERVER
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| } from '../initializers/constants'
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| import { AccountModel } from '../models/account/account'
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| import { VideoModel } from '../models/video/video'
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| import { VideoChannelModel } from '../models/video/video-channel'
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| import { VideoPlaylistModel } from '../models/video/video-playlist'
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| import { MAccountActor, MChannelActor } from '../types/models'
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| import { getActivityStreamDuration } from './activitypub/activity'
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| import { getBiggestActorImage } from './actor-image'
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| import { ServerConfigManager } from './server-config-manager'
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| 
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| type Tags = {
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|   ogType: string
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|   twitterCard: 'player' | 'summary' | 'summary_large_image'
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|   schemaType: string
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| 
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|   list?: {
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|     numberOfItems: number
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|   }
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| 
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|   escapedSiteName: string
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|   escapedTitle: string
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|   escapedDescription: string
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| 
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|   url: string
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|   originUrl: string
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| 
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|   disallowIndexation?: boolean
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| 
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|   embed?: {
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|     url: string
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|     createdAt: string
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|     duration?: string
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|     views?: number
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|   }
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| 
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|   image: {
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|     url: string
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|     width?: number
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|     height?: number
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|   }
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| }
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| 
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| class ClientHtml {
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| 
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|   private static htmlCache: { [path: string]: string } = {}
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| 
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|   static invalidCache () {
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|     logger.info('Cleaning HTML cache.')
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| 
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|     ClientHtml.htmlCache = {}
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|   }
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| 
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|   static async getDefaultHTMLPage (req: express.Request, res: express.Response, paramLang?: string) {
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|     const html = paramLang
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|       ? await ClientHtml.getIndexHTML(req, res, paramLang)
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|       : await ClientHtml.getIndexHTML(req, res)
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| 
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|     let customHtml = ClientHtml.addTitleTag(html)
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|     customHtml = ClientHtml.addDescriptionTag(customHtml)
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| 
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|     return customHtml
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|   }
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| 
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|   static async getWatchHTMLPage (videoIdArg: string, req: express.Request, res: express.Response) {
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|     const videoId = toCompleteUUID(videoIdArg)
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| 
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|     // Let Angular application handle errors
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|     if (!validator.isInt(videoId) && !validator.isUUID(videoId, 4)) {
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|       res.status(HttpStatusCode.NOT_FOUND_404)
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|       return ClientHtml.getIndexHTML(req, res)
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|     }
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| 
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|     const [ html, video ] = await Promise.all([
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|       ClientHtml.getIndexHTML(req, res),
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|       VideoModel.loadWithBlacklist(videoId)
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|     ])
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| 
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|     // Let Angular application handle errors
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|     if (!video || video.privacy === VideoPrivacy.PRIVATE || video.privacy === VideoPrivacy.INTERNAL || video.VideoBlacklist) {
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|       res.status(HttpStatusCode.NOT_FOUND_404)
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|       return html
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|     }
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|     const description = mdToOneLinePlainText(video.description)
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| 
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|     let customHtml = ClientHtml.addTitleTag(html, video.name)
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|     customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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| 
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|     const url = WEBSERVER.URL + video.getWatchStaticPath()
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|     const originUrl = video.url
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|     const title = video.name
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|     const siteName = CONFIG.INSTANCE.NAME
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| 
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|     const image = {
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|       url: WEBSERVER.URL + video.getPreviewStaticPath()
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|     }
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| 
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|     const embed = {
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|       url: WEBSERVER.URL + video.getEmbedStaticPath(),
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|       createdAt: video.createdAt.toISOString(),
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|       duration: getActivityStreamDuration(video.duration),
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|       views: video.views
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|     }
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| 
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|     const ogType = 'video'
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|     const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary_large_image'
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|     const schemaType = 'VideoObject'
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| 
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|     customHtml = ClientHtml.addTags(customHtml, {
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|       url,
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|       originUrl,
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|       escapedSiteName: escapeHTML(siteName),
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|       escapedTitle: escapeHTML(title),
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|       escapedDescription: escapeHTML(description),
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|       disallowIndexation: video.privacy !== VideoPrivacy.PUBLIC,
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|       image,
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|       embed,
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|       ogType,
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|       twitterCard,
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|       schemaType
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|     })
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| 
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|     return customHtml
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|   }
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| 
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|   static async getWatchPlaylistHTMLPage (videoPlaylistIdArg: string, req: express.Request, res: express.Response) {
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|     const videoPlaylistId = toCompleteUUID(videoPlaylistIdArg)
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| 
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|     // Let Angular application handle errors
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|     if (!validator.isInt(videoPlaylistId) && !validator.isUUID(videoPlaylistId, 4)) {
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|       res.status(HttpStatusCode.NOT_FOUND_404)
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|       return ClientHtml.getIndexHTML(req, res)
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|     }
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| 
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|     const [ html, videoPlaylist ] = await Promise.all([
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|       ClientHtml.getIndexHTML(req, res),
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|       VideoPlaylistModel.loadWithAccountAndChannel(videoPlaylistId, null)
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|     ])
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| 
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|     // Let Angular application handle errors
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|     if (!videoPlaylist || videoPlaylist.privacy === VideoPlaylistPrivacy.PRIVATE) {
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|       res.status(HttpStatusCode.NOT_FOUND_404)
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|       return html
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|     }
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| 
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|     const description = mdToOneLinePlainText(videoPlaylist.description)
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| 
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|     let customHtml = ClientHtml.addTitleTag(html, videoPlaylist.name)
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|     customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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| 
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|     const url = WEBSERVER.URL + videoPlaylist.getWatchStaticPath()
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|     const originUrl = videoPlaylist.url
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|     const title = videoPlaylist.name
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|     const siteName = CONFIG.INSTANCE.NAME
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| 
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|     const image = {
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|       url: videoPlaylist.getThumbnailUrl()
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|     }
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| 
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|     const embed = {
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|       url: WEBSERVER.URL + videoPlaylist.getEmbedStaticPath(),
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|       createdAt: videoPlaylist.createdAt.toISOString()
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|     }
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| 
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|     const list = {
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|       numberOfItems: videoPlaylist.get('videosLength') as number
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|     }
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| 
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|     const ogType = 'video'
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|     const twitterCard = CONFIG.SERVICES.TWITTER.WHITELISTED ? 'player' : 'summary'
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|     const schemaType = 'ItemList'
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| 
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|     customHtml = ClientHtml.addTags(customHtml, {
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|       url,
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|       originUrl,
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|       escapedSiteName: escapeHTML(siteName),
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|       escapedTitle: escapeHTML(title),
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|       escapedDescription: escapeHTML(description),
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|       disallowIndexation: videoPlaylist.privacy !== VideoPlaylistPrivacy.PUBLIC,
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|       embed,
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|       image,
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|       list,
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|       ogType,
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|       twitterCard,
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|       schemaType
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|     })
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| 
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|     return customHtml
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|   }
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| 
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|   static async getAccountHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) {
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|     const accountModelPromise = AccountModel.loadByNameWithHost(nameWithHost)
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|     return this.getAccountOrChannelHTMLPage(() => accountModelPromise, req, res)
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|   }
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| 
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|   static async getVideoChannelHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) {
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|     const videoChannelModelPromise = VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost)
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|     return this.getAccountOrChannelHTMLPage(() => videoChannelModelPromise, req, res)
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|   }
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| 
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|   static async getActorHTMLPage (nameWithHost: string, req: express.Request, res: express.Response) {
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|     const [ account, channel ] = await Promise.all([
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|       AccountModel.loadByNameWithHost(nameWithHost),
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|       VideoChannelModel.loadByNameWithHostAndPopulateAccount(nameWithHost)
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|     ])
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| 
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|     return this.getAccountOrChannelHTMLPage(() => Promise.resolve(account || channel), req, res)
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|   }
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| 
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|   static async getEmbedHTML () {
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|     const path = ClientHtml.getEmbedPath()
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| 
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|     if (ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path]
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| 
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|     const buffer = await readFile(path)
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|     const serverConfig = await ServerConfigManager.Instance.getHTMLServerConfig()
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| 
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|     let html = buffer.toString()
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|     html = await ClientHtml.addAsyncPluginCSS(html)
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|     html = ClientHtml.addCustomCSS(html)
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|     html = ClientHtml.addTitleTag(html)
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|     html = ClientHtml.addDescriptionTag(html)
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|     html = ClientHtml.addServerConfig(html, serverConfig)
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| 
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|     ClientHtml.htmlCache[path] = html
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| 
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|     return html
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|   }
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| 
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|   private static async getAccountOrChannelHTMLPage (
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|     loader: () => Promise<MAccountActor | MChannelActor>,
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|     req: express.Request,
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|     res: express.Response
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|   ) {
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|     const [ html, entity ] = await Promise.all([
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|       ClientHtml.getIndexHTML(req, res),
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|       loader()
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|     ])
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| 
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|     // Let Angular application handle errors
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|     if (!entity) {
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|       res.status(HttpStatusCode.NOT_FOUND_404)
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|       return ClientHtml.getIndexHTML(req, res)
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|     }
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| 
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|     const description = mdToOneLinePlainText(entity.description)
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| 
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|     let customHtml = ClientHtml.addTitleTag(html, entity.getDisplayName())
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|     customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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| 
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|     const url = entity.getLocalUrl()
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|     const originUrl = entity.Actor.url
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|     const siteName = CONFIG.INSTANCE.NAME
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|     const title = entity.getDisplayName()
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| 
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|     const avatar = getBiggestActorImage(entity.Actor.Avatars)
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|     const image = {
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|       url: ActorImageModel.getImageUrl(avatar),
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|       width: avatar?.width,
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|       height: avatar?.height
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|     }
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| 
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|     const ogType = 'website'
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|     const twitterCard = 'summary'
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|     const schemaType = 'ProfilePage'
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| 
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|     customHtml = ClientHtml.addTags(customHtml, {
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|       url,
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|       originUrl,
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|       escapedTitle: escapeHTML(title),
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|       escapedSiteName: escapeHTML(siteName),
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|       escapedDescription: escapeHTML(description),
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|       image,
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|       ogType,
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|       twitterCard,
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|       schemaType,
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|       disallowIndexation: !entity.Actor.isOwned()
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|     })
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| 
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|     return customHtml
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|   }
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| 
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|   private static async getIndexHTML (req: express.Request, res: express.Response, paramLang?: string) {
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|     const path = ClientHtml.getIndexPath(req, res, paramLang)
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|     if (ClientHtml.htmlCache[path]) return ClientHtml.htmlCache[path]
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| 
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|     const buffer = await readFile(path)
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|     const serverConfig = await ServerConfigManager.Instance.getHTMLServerConfig()
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| 
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|     let html = buffer.toString()
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| 
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|     html = ClientHtml.addManifestContentHash(html)
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|     html = ClientHtml.addFaviconContentHash(html)
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|     html = ClientHtml.addLogoContentHash(html)
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|     html = ClientHtml.addCustomCSS(html)
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|     html = ClientHtml.addServerConfig(html, serverConfig)
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|     html = await ClientHtml.addAsyncPluginCSS(html)
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| 
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|     ClientHtml.htmlCache[path] = html
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| 
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|     return html
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|   }
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| 
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|   private static getIndexPath (req: express.Request, res: express.Response, paramLang: string) {
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|     let lang: string
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| 
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|     // Check param lang validity
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|     if (paramLang && is18nLocale(paramLang)) {
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|       lang = paramLang
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| 
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|       // Save locale in cookies
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|       res.cookie('clientLanguage', lang, {
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|         secure: WEBSERVER.SCHEME === 'https',
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|         sameSite: 'none',
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|         maxAge: 1000 * 3600 * 24 * 90 // 3 months
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|       })
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| 
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|     } else if (req.cookies.clientLanguage && is18nLocale(req.cookies.clientLanguage)) {
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|       lang = req.cookies.clientLanguage
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|     } else {
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|       lang = req.acceptsLanguages(POSSIBLE_LOCALES) || getDefaultLocale()
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|     }
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| 
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|     logger.debug(
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|       'Serving %s HTML language', buildFileLocale(lang),
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|       { cookie: req.cookies?.clientLanguage, paramLang, acceptLanguage: req.headers['accept-language'] }
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|     )
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| 
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|     return join(root(), 'client', 'dist', buildFileLocale(lang), 'index.html')
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|   }
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| 
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|   private static getEmbedPath () {
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|     return join(root(), 'client', 'dist', 'standalone', 'videos', 'embed.html')
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|   }
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| 
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|   private static addManifestContentHash (htmlStringPage: string) {
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|     return htmlStringPage.replace('[manifestContentHash]', FILES_CONTENT_HASH.MANIFEST)
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|   }
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| 
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|   private static addFaviconContentHash (htmlStringPage: string) {
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|     return htmlStringPage.replace('[faviconContentHash]', FILES_CONTENT_HASH.FAVICON)
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|   }
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| 
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|   private static addLogoContentHash (htmlStringPage: string) {
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|     return htmlStringPage.replace('[logoContentHash]', FILES_CONTENT_HASH.LOGO)
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|   }
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| 
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|   private static addTitleTag (htmlStringPage: string, title?: string) {
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|     let text = title || CONFIG.INSTANCE.NAME
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|     if (title) text += ` - ${CONFIG.INSTANCE.NAME}`
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| 
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|     const titleTag = `<title>${escapeHTML(text)}</title>`
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| 
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|     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag)
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|   }
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| 
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|   private static addDescriptionTag (htmlStringPage: string, description?: string) {
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|     const content = description || CONFIG.INSTANCE.SHORT_DESCRIPTION
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|     const descriptionTag = `<meta name="description" content="${escapeHTML(content)}" />`
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| 
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|     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag)
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|   }
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| 
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|   private static addCustomCSS (htmlStringPage: string) {
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|     const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>`
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| 
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|     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag)
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|   }
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| 
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|   private static addServerConfig (htmlStringPage: string, serverConfig: HTMLServerConfig) {
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|     // Stringify the JSON object, and then stringify the string object so we can inject it into the HTML
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|     const serverConfigString = JSON.stringify(JSON.stringify(serverConfig))
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|     const configScriptTag = `<script type="application/javascript">window.PeerTubeServerConfig = ${serverConfigString}</script>`
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| 
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|     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.SERVER_CONFIG, configScriptTag)
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|   }
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| 
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|   private static async addAsyncPluginCSS (htmlStringPage: string) {
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|     const globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH)
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|     if (globalCSSContent.byteLength === 0) return htmlStringPage
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| 
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|     const fileHash = sha256(globalCSSContent)
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|     const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />`
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| 
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|     return htmlStringPage.replace('</head>', linkTag + '</head>')
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|   }
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| 
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|   private static generateOpenGraphMetaTags (tags: Tags) {
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|     const metaTags = {
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|       'og:type': tags.ogType,
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|       'og:site_name': tags.escapedSiteName,
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|       'og:title': tags.escapedTitle,
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|       'og:image': tags.image.url
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|     }
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| 
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|     if (tags.image.width && tags.image.height) {
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|       metaTags['og:image:width'] = tags.image.width
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|       metaTags['og:image:height'] = tags.image.height
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|     }
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| 
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|     metaTags['og:url'] = tags.url
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|     metaTags['og:description'] = tags.escapedDescription
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| 
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|     if (tags.embed) {
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|       metaTags['og:video:url'] = tags.embed.url
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|       metaTags['og:video:secure_url'] = tags.embed.url
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|       metaTags['og:video:type'] = 'text/html'
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|       metaTags['og:video:width'] = EMBED_SIZE.width
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|       metaTags['og:video:height'] = EMBED_SIZE.height
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|     }
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| 
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|     return metaTags
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|   }
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| 
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|   private static generateStandardMetaTags (tags: Tags) {
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|     return {
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|       name: tags.escapedTitle,
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|       description: tags.escapedDescription,
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|       image: tags.image.url
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|     }
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|   }
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| 
 | |
|   private static generateTwitterCardMetaTags (tags: Tags) {
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|     const metaTags = {
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|       'twitter:card': tags.twitterCard,
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|       'twitter:site': CONFIG.SERVICES.TWITTER.USERNAME,
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|       'twitter:title': tags.escapedTitle,
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|       'twitter:description': tags.escapedDescription,
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|       'twitter:image': tags.image.url
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|     }
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| 
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|     if (tags.image.width && tags.image.height) {
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|       metaTags['twitter:image:width'] = tags.image.width
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|       metaTags['twitter:image:height'] = tags.image.height
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|     }
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| 
 | |
|     if (tags.twitterCard === 'player') {
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|       metaTags['twitter:player'] = tags.embed.url
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|       metaTags['twitter:player:width'] = EMBED_SIZE.width
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|       metaTags['twitter:player:height'] = EMBED_SIZE.height
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|     }
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| 
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|     return metaTags
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|   }
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| 
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|   private static generateSchemaTags (tags: Tags) {
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|     const schema = {
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|       '@context': 'http://schema.org',
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|       '@type': tags.schemaType,
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|       'name': tags.escapedTitle,
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|       'description': tags.escapedDescription,
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|       'image': tags.image.url,
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|       'url': tags.url
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|     }
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| 
 | |
|     if (tags.list) {
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|       schema['numberOfItems'] = tags.list.numberOfItems
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|       schema['thumbnailUrl'] = tags.image.url
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|     }
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| 
 | |
|     if (tags.embed) {
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|       schema['embedUrl'] = tags.embed.url
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|       schema['uploadDate'] = tags.embed.createdAt
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| 
 | |
|       if (tags.embed.duration) schema['duration'] = tags.embed.duration
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|       if (tags.embed.views) schema['iterationCount'] = tags.embed.views
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| 
 | |
|       schema['thumbnailUrl'] = tags.image.url
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|       schema['contentUrl'] = tags.url
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|     }
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| 
 | |
|     return schema
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|   }
 | |
| 
 | |
|   private static addTags (htmlStringPage: string, tagsValues: Tags) {
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|     const openGraphMetaTags = this.generateOpenGraphMetaTags(tagsValues)
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|     const standardMetaTags = this.generateStandardMetaTags(tagsValues)
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|     const twitterCardMetaTags = this.generateTwitterCardMetaTags(tagsValues)
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|     const schemaTags = this.generateSchemaTags(tagsValues)
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| 
 | |
|     const { url, escapedTitle, embed, originUrl, disallowIndexation } = tagsValues
 | |
| 
 | |
|     const oembedLinkTags: { type: string, href: string, escapedTitle: string }[] = []
 | |
| 
 | |
|     if (embed) {
 | |
|       oembedLinkTags.push({
 | |
|         type: 'application/json+oembed',
 | |
|         href: WEBSERVER.URL + '/services/oembed?url=' + encodeURIComponent(url),
 | |
|         escapedTitle
 | |
|       })
 | |
|     }
 | |
| 
 | |
|     let tagsStr = ''
 | |
| 
 | |
|     // Opengraph
 | |
|     Object.keys(openGraphMetaTags).forEach(tagName => {
 | |
|       const tagValue = openGraphMetaTags[tagName]
 | |
| 
 | |
|       tagsStr += `<meta property="${tagName}" content="${tagValue}" />`
 | |
|     })
 | |
| 
 | |
|     // Standard
 | |
|     Object.keys(standardMetaTags).forEach(tagName => {
 | |
|       const tagValue = standardMetaTags[tagName]
 | |
| 
 | |
|       tagsStr += `<meta property="${tagName}" content="${tagValue}" />`
 | |
|     })
 | |
| 
 | |
|     // Twitter card
 | |
|     Object.keys(twitterCardMetaTags).forEach(tagName => {
 | |
|       const tagValue = twitterCardMetaTags[tagName]
 | |
| 
 | |
|       tagsStr += `<meta property="${tagName}" content="${tagValue}" />`
 | |
|     })
 | |
| 
 | |
|     // OEmbed
 | |
|     for (const oembedLinkTag of oembedLinkTags) {
 | |
|       tagsStr += `<link rel="alternate" type="${oembedLinkTag.type}" href="${oembedLinkTag.href}" title="${oembedLinkTag.escapedTitle}" />`
 | |
|     }
 | |
| 
 | |
|     // Schema.org
 | |
|     if (schemaTags) {
 | |
|       tagsStr += `<script type="application/ld+json">${JSON.stringify(schemaTags)}</script>`
 | |
|     }
 | |
| 
 | |
|     // SEO, use origin URL
 | |
|     tagsStr += `<link rel="canonical" href="${originUrl}" />`
 | |
| 
 | |
|     if (disallowIndexation) {
 | |
|       tagsStr += `<meta name="robots" content="noindex" />`
 | |
|     }
 | |
| 
 | |
|     return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.META_TAGS, tagsStr)
 | |
|   }
 | |
| }
 | |
| 
 | |
| function sendHTML (html: string, res: express.Response, localizedHTML: boolean = false) {
 | |
|   res.set('Content-Type', 'text/html; charset=UTF-8')
 | |
| 
 | |
|   if (localizedHTML) {
 | |
|     res.set('Vary', 'Accept-Language')
 | |
|   }
 | |
| 
 | |
|   return res.send(html)
 | |
| }
 | |
| 
 | |
| async function serveIndexHTML (req: express.Request, res: express.Response) {
 | |
|   if (req.accepts(ACCEPT_HEADERS) === 'html' || !req.headers.accept) {
 | |
|     try {
 | |
|       await generateHTMLPage(req, res, req.params.language)
 | |
|       return
 | |
|     } catch (err) {
 | |
|       logger.error('Cannot generate HTML page.', err)
 | |
|       return res.status(HttpStatusCode.INTERNAL_SERVER_ERROR_500).end()
 | |
|     }
 | |
|   }
 | |
| 
 | |
|   return res.status(HttpStatusCode.NOT_ACCEPTABLE_406).end()
 | |
| }
 | |
| 
 | |
| // ---------------------------------------------------------------------------
 | |
| 
 | |
| export {
 | |
|   ClientHtml,
 | |
|   sendHTML,
 | |
|   serveIndexHTML
 | |
| }
 | |
| 
 | |
| async function generateHTMLPage (req: express.Request, res: express.Response, paramLang?: string) {
 | |
|   const html = await ClientHtml.getDefaultHTMLPage(req, res, paramLang)
 | |
| 
 | |
|   return sendHTML(html, res, true)
 | |
| }
 |