import express from 'express' import { createReadStream, createWriteStream } from 'fs' import { ensureDir, outputFile, readJSON } from 'fs-extra' import { basename, join } from 'path' import { decachePlugin } from '@server/helpers/decache' 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, 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 constructor () { } // ###################### 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 (hookName: ServerHookName, result?: T, params?: any): Promise { 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(hook.handler, hookType, result, params, 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 (toInstall: string, version?: string, fromDisk = false) { 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) await this.registerPluginOrTheme(plugin) } catch (rootErr) { logger.error('Cannot install plugin %s, removing it...', toInstall, { err: rootErr }) 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(toUpdate, version, fromDisk) } async uninstall (npmName: string) { logger.info('Uninstalling plugin %s.', npmName) 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) } // ###################### 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(pluginPath, 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((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 } 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, 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()) } }