PeerTube/server/lib/plugins/plugin-manager.ts

666 lines
20 KiB
TypeScript

import express from 'express'
import { createReadStream, createWriteStream } from 'fs'
import { ensureDir, outputFile, readJSON } from 'fs-extra'
import { Server } from 'http'
import { basename, join } from 'path'
import { decachePlugin } from '@server/helpers/decache'
import { ApplicationModel } from '@server/models/application/application'
import { MOAuthTokenUser, MUser } from '@server/types/models'
import { getCompleteLocale } from '@shared/core-utils'
import {
ClientScriptJSON,
PluginPackageJSON,
PluginTranslation,
PluginTranslationPathsJSON,
RegisterServerHookOptions
} from '@shared/models'
import { getHookType, internalRunHook } from '../../../shared/core-utils/plugins/hooks'
import { PluginType } from '../../../shared/models/plugins/plugin.type'
import { ServerHook, ServerHookName } from '../../../shared/models/plugins/server/server-hook.model'
import { isLibraryCodeValid, isPackageJSONValid } from '../../helpers/custom-validators/plugins'
import { logger } from '../../helpers/logger'
import { CONFIG } from '../../initializers/config'
import { PLUGIN_GLOBAL_CSS_PATH } from '../../initializers/constants'
import { PluginModel } from '../../models/server/plugin'
import { PluginLibrary, RegisterServerAuthExternalOptions, RegisterServerAuthPassOptions, RegisterServerOptions } from '../../types/plugins'
import { ClientHtml } from '../client-html'
import { RegisterHelpers } from './register-helpers'
import { installNpmPlugin, installNpmPluginFromDisk, rebuildNativePlugins, removeNpmPlugin } from './yarn'
export interface RegisteredPlugin {
npmName: string
name: string
version: string
description: string
peertubeEngine: string
type: PluginType
path: string
staticDirs: { [name: string]: string }
clientScripts: { [name: string]: ClientScriptJSON }
css: string[]
// Only if this is a plugin
registerHelpers?: RegisterHelpers
unregister?: Function
}
export interface HookInformationValue {
npmName: string
pluginName: string
handler: Function
priority: number
}
type PluginLocalesTranslations = {
[locale: string]: PluginTranslation
}
export class PluginManager implements ServerHook {
private static instance: PluginManager
private registeredPlugins: { [name: string]: RegisteredPlugin } = {}
private hooks: { [name: string]: HookInformationValue[] } = {}
private translations: PluginLocalesTranslations = {}
private server: Server
private constructor () {
}
init (server: Server) {
this.server = server
}
registerWebSocketRouter () {
this.server.on('upgrade', (request, socket, head) => {
// Check if it's a plugin websocket connection
// No need to destroy the stream when we abort the request
// Other handlers in PeerTube will catch this upgrade event too (socket.io, tracker etc)
const url = request.url
const matched = url.match(`/plugins/([^/]+)/([^/]+/)?ws(/.*)`)
if (!matched) return
const npmName = PluginModel.buildNpmName(matched[1], PluginType.PLUGIN)
const subRoute = matched[3]
const result = this.getRegisteredPluginOrTheme(npmName)
if (!result) return
const routes = result.registerHelpers.getWebSocketRoutes()
const wss = routes.find(r => r.route.startsWith(subRoute))
if (!wss) return
try {
wss.handler(request, socket, head)
} catch (err) {
logger.error('Exception in plugin handler ' + npmName, { err })
}
})
}
// ###################### Getters ######################
isRegistered (npmName: string) {
return !!this.getRegisteredPluginOrTheme(npmName)
}
getRegisteredPluginOrTheme (npmName: string) {
return this.registeredPlugins[npmName]
}
getRegisteredPluginByShortName (name: string) {
const npmName = PluginModel.buildNpmName(name, PluginType.PLUGIN)
const registered = this.getRegisteredPluginOrTheme(npmName)
if (!registered || registered.type !== PluginType.PLUGIN) return undefined
return registered
}
getRegisteredThemeByShortName (name: string) {
const npmName = PluginModel.buildNpmName(name, PluginType.THEME)
const registered = this.getRegisteredPluginOrTheme(npmName)
if (!registered || registered.type !== PluginType.THEME) return undefined
return registered
}
getRegisteredPlugins () {
return this.getRegisteredPluginsOrThemes(PluginType.PLUGIN)
}
getRegisteredThemes () {
return this.getRegisteredPluginsOrThemes(PluginType.THEME)
}
getIdAndPassAuths () {
return this.getRegisteredPlugins()
.map(p => ({
npmName: p.npmName,
name: p.name,
version: p.version,
idAndPassAuths: p.registerHelpers.getIdAndPassAuths()
}))
.filter(v => v.idAndPassAuths.length !== 0)
}
getExternalAuths () {
return this.getRegisteredPlugins()
.map(p => ({
npmName: p.npmName,
name: p.name,
version: p.version,
externalAuths: p.registerHelpers.getExternalAuths()
}))
.filter(v => v.externalAuths.length !== 0)
}
getRegisteredSettings (npmName: string) {
const result = this.getRegisteredPluginOrTheme(npmName)
if (!result || result.type !== PluginType.PLUGIN) return []
return result.registerHelpers.getSettings()
}
getRouter (npmName: string) {
const result = this.getRegisteredPluginOrTheme(npmName)
if (!result || result.type !== PluginType.PLUGIN) return null
return result.registerHelpers.getRouter()
}
getTranslations (locale: string) {
return this.translations[locale] || {}
}
async isTokenValid (token: MOAuthTokenUser, type: 'access' | 'refresh') {
const auth = this.getAuth(token.User.pluginAuth, token.authName)
if (!auth) return true
if (auth.hookTokenValidity) {
try {
const { valid } = await auth.hookTokenValidity({ token, type })
if (valid === false) {
logger.info('Rejecting %s token validity from auth %s of plugin %s', type, token.authName, token.User.pluginAuth)
}
return valid
} catch (err) {
logger.warn('Cannot run check token validity from auth %s of plugin %s.', token.authName, token.User.pluginAuth, { err })
return true
}
}
return true
}
// ###################### External events ######################
async onLogout (npmName: string, authName: string, user: MUser, req: express.Request) {
const auth = this.getAuth(npmName, authName)
if (auth?.onLogout) {
logger.info('Running onLogout function from auth %s of plugin %s', authName, npmName)
try {
// Force await, in case or onLogout returns a promise
const result = await auth.onLogout(user, req)
return typeof result === 'string'
? result
: undefined
} catch (err) {
logger.warn('Cannot run onLogout function from auth %s of plugin %s.', authName, npmName, { err })
}
}
return undefined
}
async onSettingsChanged (name: string, settings: any) {
const registered = this.getRegisteredPluginByShortName(name)
if (!registered) {
logger.error('Cannot find plugin %s to call on settings changed.', name)
}
for (const cb of registered.registerHelpers.getOnSettingsChangedCallbacks()) {
try {
await cb(settings)
} catch (err) {
logger.error('Cannot run on settings changed callback for %s.', registered.npmName, { err })
}
}
}
// ###################### Hooks ######################
async runHook<T> (hookName: ServerHookName, result?: T, params?: any): Promise<T> {
if (!this.hooks[hookName]) return Promise.resolve(result)
const hookType = getHookType(hookName)
for (const hook of this.hooks[hookName]) {
logger.debug('Running hook %s of plugin %s.', hookName, hook.npmName)
result = await internalRunHook({
handler: hook.handler,
hookType,
result,
params,
onError: err => { logger.error('Cannot run hook %s of plugin %s.', hookName, hook.pluginName, { err }) }
})
}
return result
}
// ###################### Registration ######################
async registerPluginsAndThemes () {
await this.resetCSSGlobalFile()
const plugins = await PluginModel.listEnabledPluginsAndThemes()
for (const plugin of plugins) {
try {
await this.registerPluginOrTheme(plugin)
} catch (err) {
// Try to unregister the plugin
try {
await this.unregister(PluginModel.buildNpmName(plugin.name, plugin.type))
} catch {
// we don't care if we cannot unregister it
}
logger.error('Cannot register plugin %s, skipping.', plugin.name, { err })
}
}
this.sortHooksByPriority()
}
// Don't need the plugin type since themes cannot register server code
async unregister (npmName: string) {
logger.info('Unregister plugin %s.', npmName)
const plugin = this.getRegisteredPluginOrTheme(npmName)
if (!plugin) {
throw new Error(`Unknown plugin ${npmName} to unregister`)
}
delete this.registeredPlugins[plugin.npmName]
this.deleteTranslations(plugin.npmName)
if (plugin.type === PluginType.PLUGIN) {
await plugin.unregister()
// Remove hooks of this plugin
for (const key of Object.keys(this.hooks)) {
this.hooks[key] = this.hooks[key].filter(h => h.npmName !== npmName)
}
const store = plugin.registerHelpers
store.reinitVideoConstants(plugin.npmName)
store.reinitTranscodingProfilesAndEncoders(plugin.npmName)
logger.info('Regenerating registered plugin CSS to global file.')
await this.regeneratePluginGlobalCSS()
}
ClientHtml.invalidCache()
}
// ###################### Installation ######################
async install (options: {
toInstall: string
version?: string
fromDisk?: boolean // default false
register?: boolean // default true
}) {
const { toInstall, version, fromDisk = false, register = true } = options
let plugin: PluginModel
let npmName: string
logger.info('Installing plugin %s.', toInstall)
try {
fromDisk
? await installNpmPluginFromDisk(toInstall)
: await installNpmPlugin(toInstall, version)
npmName = fromDisk ? basename(toInstall) : toInstall
const pluginType = PluginModel.getTypeFromNpmName(npmName)
const pluginName = PluginModel.normalizePluginName(npmName)
const packageJSON = await this.getPackageJSON(pluginName, pluginType)
this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, pluginType);
[ plugin ] = await PluginModel.upsert({
name: pluginName,
description: packageJSON.description,
homepage: packageJSON.homepage,
type: pluginType,
version: packageJSON.version,
enabled: true,
uninstalled: false,
peertubeEngine: packageJSON.engine.peertube
}, { returning: true })
logger.info('Successful installation of plugin %s.', toInstall)
if (register) {
await this.registerPluginOrTheme(plugin)
}
} catch (rootErr) {
logger.error('Cannot install plugin %s, removing it...', toInstall, { err: rootErr })
if (npmName) {
try {
await this.uninstall({ npmName })
} catch (err) {
logger.error('Cannot uninstall plugin %s after failed installation.', toInstall, { err })
try {
await removeNpmPlugin(npmName)
} catch (err) {
logger.error('Cannot remove plugin %s after failed installation.', toInstall, { err })
}
}
}
throw rootErr
}
return plugin
}
async update (toUpdate: string, fromDisk = false) {
const npmName = fromDisk ? basename(toUpdate) : toUpdate
logger.info('Updating plugin %s.', npmName)
// Use the latest version from DB, to not upgrade to a version that does not support our PeerTube version
let version: string
if (!fromDisk) {
const plugin = await PluginModel.loadByNpmName(toUpdate)
version = plugin.latestVersion
}
// Unregister old hooks
await this.unregister(npmName)
return this.install({ toInstall: toUpdate, version, fromDisk })
}
async uninstall (options: {
npmName: string
unregister?: boolean // default true
}) {
const { npmName, unregister = true } = options
logger.info('Uninstalling plugin %s.', npmName)
if (unregister) {
try {
await this.unregister(npmName)
} catch (err) {
logger.warn('Cannot unregister plugin %s.', npmName, { err })
}
}
const plugin = await PluginModel.loadByNpmName(npmName)
if (!plugin || plugin.uninstalled === true) {
logger.error('Cannot uninstall plugin %s: it does not exist or is already uninstalled.', npmName)
return
}
plugin.enabled = false
plugin.uninstalled = true
await plugin.save()
await removeNpmPlugin(npmName)
logger.info('Plugin %s uninstalled.', npmName)
}
async rebuildNativePluginsIfNeeded () {
if (!await ApplicationModel.nodeABIChanged()) return
return rebuildNativePlugins()
}
// ###################### Private register ######################
private async registerPluginOrTheme (plugin: PluginModel) {
const npmName = PluginModel.buildNpmName(plugin.name, plugin.type)
logger.info('Registering plugin or theme %s.', npmName)
const packageJSON = await this.getPackageJSON(plugin.name, plugin.type)
const pluginPath = this.getPluginPath(plugin.name, plugin.type)
this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, plugin.type)
let library: PluginLibrary
let registerHelpers: RegisterHelpers
if (plugin.type === PluginType.PLUGIN) {
const result = await this.registerPlugin(plugin, pluginPath, packageJSON)
library = result.library
registerHelpers = result.registerStore
}
const clientScripts: { [id: string]: ClientScriptJSON } = {}
for (const c of packageJSON.clientScripts) {
clientScripts[c.script] = c
}
this.registeredPlugins[npmName] = {
npmName,
name: plugin.name,
type: plugin.type,
version: plugin.version,
description: plugin.description,
peertubeEngine: plugin.peertubeEngine,
path: pluginPath,
staticDirs: packageJSON.staticDirs,
clientScripts,
css: packageJSON.css,
registerHelpers: registerHelpers || undefined,
unregister: library ? library.unregister : undefined
}
await this.addTranslations(plugin, npmName, packageJSON.translations)
ClientHtml.invalidCache()
}
private async registerPlugin (plugin: PluginModel, pluginPath: string, packageJSON: PluginPackageJSON) {
const npmName = PluginModel.buildNpmName(plugin.name, plugin.type)
// Delete cache if needed
const modulePath = join(pluginPath, packageJSON.library)
decachePlugin(modulePath)
const library: PluginLibrary = require(modulePath)
if (!isLibraryCodeValid(library)) {
throw new Error('Library code is not valid (miss register or unregister function)')
}
const { registerOptions, registerStore } = this.getRegisterHelpers(npmName, plugin)
await ensureDir(registerOptions.peertubeHelpers.plugin.getDataDirectoryPath())
await library.register(registerOptions)
logger.info('Add plugin %s CSS to global file.', npmName)
await this.addCSSToGlobalFile(pluginPath, packageJSON.css)
return { library, registerStore }
}
// ###################### Translations ######################
private async addTranslations (plugin: PluginModel, npmName: string, translationPaths: PluginTranslationPathsJSON) {
for (const locale of Object.keys(translationPaths)) {
const path = translationPaths[locale]
const json = await readJSON(join(this.getPluginPath(plugin.name, plugin.type), path))
const completeLocale = getCompleteLocale(locale)
if (!this.translations[completeLocale]) this.translations[completeLocale] = {}
this.translations[completeLocale][npmName] = json
logger.info('Added locale %s of plugin %s.', completeLocale, npmName)
}
}
private deleteTranslations (npmName: string) {
for (const locale of Object.keys(this.translations)) {
delete this.translations[locale][npmName]
logger.info('Deleted locale %s of plugin %s.', locale, npmName)
}
}
// ###################### CSS ######################
private resetCSSGlobalFile () {
return outputFile(PLUGIN_GLOBAL_CSS_PATH, '')
}
private async addCSSToGlobalFile (pluginPath: string, cssRelativePaths: string[]) {
for (const cssPath of cssRelativePaths) {
await this.concatFiles(join(pluginPath, cssPath), PLUGIN_GLOBAL_CSS_PATH)
}
}
private concatFiles (input: string, output: string) {
return new Promise<void>((res, rej) => {
const inputStream = createReadStream(input)
const outputStream = createWriteStream(output, { flags: 'a' })
inputStream.pipe(outputStream)
inputStream.on('end', () => res())
inputStream.on('error', err => rej(err))
})
}
private async regeneratePluginGlobalCSS () {
await this.resetCSSGlobalFile()
for (const plugin of this.getRegisteredPlugins()) {
await this.addCSSToGlobalFile(plugin.path, plugin.css)
}
}
// ###################### Utils ######################
private sortHooksByPriority () {
for (const hookName of Object.keys(this.hooks)) {
this.hooks[hookName].sort((a, b) => {
return b.priority - a.priority
})
}
}
private getPackageJSON (pluginName: string, pluginType: PluginType) {
const pluginPath = join(this.getPluginPath(pluginName, pluginType), 'package.json')
return readJSON(pluginPath) as Promise<PluginPackageJSON>
}
private getPluginPath (pluginName: string, pluginType: PluginType) {
const npmName = PluginModel.buildNpmName(pluginName, pluginType)
return join(CONFIG.STORAGE.PLUGINS_DIR, 'node_modules', npmName)
}
private getAuth (npmName: string, authName: string) {
const plugin = this.getRegisteredPluginOrTheme(npmName)
if (!plugin || plugin.type !== PluginType.PLUGIN) return null
let auths: (RegisterServerAuthPassOptions | RegisterServerAuthExternalOptions)[] = plugin.registerHelpers.getIdAndPassAuths()
auths = auths.concat(plugin.registerHelpers.getExternalAuths())
return auths.find(a => a.authName === authName)
}
// ###################### Private getters ######################
private getRegisteredPluginsOrThemes (type: PluginType) {
const plugins: RegisteredPlugin[] = []
for (const npmName of Object.keys(this.registeredPlugins)) {
const plugin = this.registeredPlugins[npmName]
if (plugin.type !== type) continue
plugins.push(plugin)
}
return plugins
}
// ###################### Generate register helpers ######################
private getRegisterHelpers (
npmName: string,
plugin: PluginModel
): { registerStore: RegisterHelpers, registerOptions: RegisterServerOptions } {
const onHookAdded = (options: RegisterServerHookOptions) => {
if (!this.hooks[options.target]) this.hooks[options.target] = []
this.hooks[options.target].push({
npmName,
pluginName: plugin.name,
handler: options.handler,
priority: options.priority || 0
})
}
const registerHelpers = new RegisterHelpers(npmName, plugin, this.server, onHookAdded.bind(this))
return {
registerStore: registerHelpers,
registerOptions: registerHelpers.buildRegisterHelpers()
}
}
private sanitizeAndCheckPackageJSONOrThrow (packageJSON: PluginPackageJSON, pluginType: PluginType) {
if (!packageJSON.staticDirs) packageJSON.staticDirs = {}
if (!packageJSON.css) packageJSON.css = []
if (!packageJSON.clientScripts) packageJSON.clientScripts = []
if (!packageJSON.translations) packageJSON.translations = {}
const { result: packageJSONValid, badFields } = isPackageJSONValid(packageJSON, pluginType)
if (!packageJSONValid) {
const formattedFields = badFields.map(f => `"${f}"`)
.join(', ')
throw new Error(`PackageJSON is invalid (invalid fields: ${formattedFields}).`)
}
}
static get Instance () {
return this.instance || (this.instance = new this())
}
}