mirror of https://github.com/Chocobozzz/PeerTube
618 lines
20 KiB
TypeScript
618 lines
20 KiB
TypeScript
import express from 'express'
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import { pathExists, 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 { isTestOrDevInstance } from '@server/helpers/core-utils'
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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, MVideo, MVideoPlaylist } 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 { Hooks } from './plugins/hooks'
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import { ServerConfigManager } from './server-config-manager'
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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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list?: {
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numberOfItems: number
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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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url: string
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originUrl: string
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disallowIndexation?: boolean
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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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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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type HookContext = {
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video?: MVideo
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playlist?: MVideoPlaylist
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}
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class ClientHtml {
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private static htmlCache: { [path: string]: string } = {}
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static invalidCache () {
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logger.info('Cleaning HTML cache.')
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ClientHtml.htmlCache = {}
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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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let customHtml = ClientHtml.addTitleTag(html)
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customHtml = ClientHtml.addDescriptionTag(customHtml)
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return customHtml
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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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// 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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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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// 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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let customHtml = ClientHtml.addTitleTag(html, video.name)
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customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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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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const image = {
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url: WEBSERVER.URL + video.getPreviewStaticPath()
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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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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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customHtml = await 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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}, { video })
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return customHtml
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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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// 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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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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// 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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const description = mdToOneLinePlainText(videoPlaylist.description)
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let customHtml = ClientHtml.addTitleTag(html, videoPlaylist.name)
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customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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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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const image = {
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url: videoPlaylist.getThumbnailUrl()
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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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const list = {
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numberOfItems: videoPlaylist.get('videosLength') as number
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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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customHtml = await 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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}, { playlist: videoPlaylist })
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return customHtml
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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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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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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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return this.getAccountOrChannelHTMLPage(() => Promise.resolve(account || channel), req, res)
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}
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static async getEmbedHTML () {
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const path = ClientHtml.getEmbedPath()
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// Disable HTML cache in dev mode because webpack can regenerate JS files
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if (!isTestOrDevInstance() && ClientHtml.htmlCache[path]) {
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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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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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ClientHtml.htmlCache[path] = html
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return html
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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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// 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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const description = mdToOneLinePlainText(entity.description)
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let customHtml = ClientHtml.addTitleTag(html, entity.getDisplayName())
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customHtml = ClientHtml.addDescriptionTag(customHtml, description)
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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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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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const ogType = 'website'
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const twitterCard = 'summary'
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const schemaType = 'ProfilePage'
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customHtml = await 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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return customHtml
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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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const buffer = await readFile(path)
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const serverConfig = await ServerConfigManager.Instance.getHTMLServerConfig()
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let html = buffer.toString()
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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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ClientHtml.htmlCache[path] = html
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return html
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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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// Check param lang validity
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if (paramLang && is18nLocale(paramLang)) {
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lang = paramLang
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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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} 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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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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return join(root(), 'client', 'dist', buildFileLocale(lang), 'index.html')
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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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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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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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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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private static addTitleTag (htmlStringPage: string, title?: string) {
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let text = title || CONFIG.INSTANCE.NAME
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if (title) text += ` - ${CONFIG.INSTANCE.NAME}`
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const titleTag = `<title>${escapeHTML(text)}</title>`
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return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.TITLE, titleTag)
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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="${escapeHTML(content)}" />`
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return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.DESCRIPTION, descriptionTag)
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}
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private static addCustomCSS (htmlStringPage: string) {
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const styleTag = `<style class="custom-css-style">${CONFIG.INSTANCE.CUSTOMIZATIONS.CSS}</style>`
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return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.CUSTOM_CSS, styleTag)
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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 = ${serverConfigString}</script>`
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return htmlStringPage.replace(CUSTOM_HTML_TAG_COMMENTS.SERVER_CONFIG, configScriptTag)
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}
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private static async addAsyncPluginCSS (htmlStringPage: string) {
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if (!pathExists(PLUGIN_GLOBAL_CSS_PATH)) {
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logger.info('Plugin Global CSS file is not available (generation may still be in progress), ignoring it.')
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return htmlStringPage
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}
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let globalCSSContent: Buffer
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try {
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globalCSSContent = await readFile(PLUGIN_GLOBAL_CSS_PATH)
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} catch (err) {
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logger.error('Error retrieving the Plugin Global CSS file, ignoring it.', { err })
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return htmlStringPage
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}
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if (globalCSSContent.byteLength === 0) return htmlStringPage
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const fileHash = sha256(globalCSSContent)
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const linkTag = `<link rel="stylesheet" href="/plugins/global.css?hash=${fileHash}" />`
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return htmlStringPage.replace('</head>', linkTag + '</head>')
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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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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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metaTags['og:url'] = tags.url
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metaTags['og:description'] = tags.escapedDescription
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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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return metaTags
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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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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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return metaTags
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}
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private static async generateSchemaTags (tags: Tags, context: HookContext) {
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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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schema['thumbnailUrl'] = tags.image.url
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schema['contentUrl'] = tags.url
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}
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return Hooks.wrapObject(schema, 'filter:html.client.json-ld.result', context)
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}
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private static async addTags (htmlStringPage: string, tagsValues: Tags, context: HookContext) {
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const openGraphMetaTags = this.generateOpenGraphMetaTags(tagsValues)
|
|
const standardMetaTags = this.generateStandardMetaTags(tagsValues)
|
|
const twitterCardMetaTags = this.generateTwitterCardMetaTags(tagsValues)
|
|
const schemaTags = await this.generateSchemaTags(tagsValues, context)
|
|
|
|
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)
|
|
}
|