server/lib/plugins/plugin-manager.ts

   1 import { PluginModel } from '../../models/server/plugin'
   2 import { logger } from '../../helpers/logger'
   3 import { basename, join } from 'path'
   4 import { CONFIG } from '../../initializers/config'
   5 import { isLibraryCodeValid, isPackageJSONValid } from '../../helpers/custom-validators/plugins'
   6 import {
   7   ClientScript,
   8   PluginPackageJson,
   9   PluginTranslationPaths as PackagePluginTranslations
  10 } from '../../../shared/models/plugins/plugin-package-json.model'
  11 import { createReadStream, createWriteStream } from 'fs'
  12 import { PLUGIN_GLOBAL_CSS_PATH } from '../../initializers/constants'
  13 import { PluginType } from '../../../shared/models/plugins/plugin.type'
  14 import { installNpmPlugin, installNpmPluginFromDisk, removeNpmPlugin } from './yarn'
  15 import { outputFile, readJSON } from 'fs-extra'
  16 import { ServerHook, ServerHookName } from '../../../shared/models/plugins/server-hook.model'
  17 import { getHookType, internalRunHook } from '../../../shared/core-utils/plugins/hooks'
  18 import { RegisterServerOptions } from '../../typings/plugins/register-server-option.model'
  19 import { PluginLibrary } from '../../typings/plugins'
  20 import { ClientHtml } from '../client-html'
  21 import { PluginTranslation } from '../../../shared/models/plugins/plugin-translation.model'
  22 import { RegisterHelpersStore } from './register-helpers-store'
  23 import { RegisterServerHookOptions } from '@shared/models/plugins/register-server-hook.model'
  24 import { MOAuthTokenUser, MUser } from '@server/typings/models'
  25 import { RegisterServerAuthPassOptions, RegisterServerAuthExternalOptions } from '@shared/models/plugins/register-server-auth.model'
  26
  27 export interface RegisteredPlugin {
  28   npmName: string
  29   name: string
  30   version: string
  31   description: string
  32   peertubeEngine: string
  33
  34   type: PluginType
  35
  36   path: string
  37
  38   staticDirs: { [name: string]: string }
  39   clientScripts: { [name: string]: ClientScript }
  40
  41   css: string[]
  42
  43   // Only if this is a plugin
  44   registerHelpersStore?: RegisterHelpersStore
  45   unregister?: Function
  46 }
  47
  48 export interface HookInformationValue {
  49   npmName: string
  50   pluginName: string
  51   handler: Function
  52   priority: number
  53 }
  54
  55 type PluginLocalesTranslations = {
  56   [locale: string]: PluginTranslation
  57 }
  58
  59 export class PluginManager implements ServerHook {
  60
  61   private static instance: PluginManager
  62
  63   private registeredPlugins: { [name: string]: RegisteredPlugin } = {}
  64
  65   private hooks: { [name: string]: HookInformationValue[] } = {}
  66   private translations: PluginLocalesTranslations = {}
  67
  68   private constructor () {
  69   }
  70
  71   // ###################### Getters ######################
  72
  73   isRegistered (npmName: string) {
  74     return !!this.getRegisteredPluginOrTheme(npmName)
  75   }
  76
  77   getRegisteredPluginOrTheme (npmName: string) {
  78     return this.registeredPlugins[npmName]
  79   }
  80
  81   getRegisteredPluginByShortName (name: string) {
  82     const npmName = PluginModel.buildNpmName(name, PluginType.PLUGIN)
  83     const registered = this.getRegisteredPluginOrTheme(npmName)
  84
  85     if (!registered || registered.type !== PluginType.PLUGIN) return undefined
  86
  87     return registered
  88   }
  89
  90   getRegisteredThemeByShortName (name: string) {
  91     const npmName = PluginModel.buildNpmName(name, PluginType.THEME)
  92     const registered = this.getRegisteredPluginOrTheme(npmName)
  93
  94     if (!registered || registered.type !== PluginType.THEME) return undefined
  95
  96     return registered
  97   }
  98
  99   getRegisteredPlugins () {
 100     return this.getRegisteredPluginsOrThemes(PluginType.PLUGIN)
 101   }
 102
 103   getRegisteredThemes () {
 104     return this.getRegisteredPluginsOrThemes(PluginType.THEME)
 105   }
 106
 107   getIdAndPassAuths () {
 108     return this.getRegisteredPlugins()
 109       .map(p => ({
 110         npmName: p.npmName,
 111         name: p.name,
 112         version: p.version,
 113         idAndPassAuths: p.registerHelpersStore.getIdAndPassAuths()
 114       }))
 115       .filter(v => v.idAndPassAuths.length !== 0)
 116   }
 117
 118   getExternalAuths () {
 119     return this.getRegisteredPlugins()
 120       .map(p => ({
 121         npmName: p.npmName,
 122         name: p.name,
 123         version: p.version,
 124         externalAuths: p.registerHelpersStore.getExternalAuths()
 125       }))
 126       .filter(v => v.externalAuths.length !== 0)
 127   }
 128
 129   getRegisteredSettings (npmName: string) {
 130     const result = this.getRegisteredPluginOrTheme(npmName)
 131     if (!result || result.type !== PluginType.PLUGIN) return []
 132
 133     return result.registerHelpersStore.getSettings()
 134   }
 135
 136   getRouter (npmName: string) {
 137     const result = this.getRegisteredPluginOrTheme(npmName)
 138     if (!result || result.type !== PluginType.PLUGIN) return null
 139
 140     return result.registerHelpersStore.getRouter()
 141   }
 142
 143   getTranslations (locale: string) {
 144     return this.translations[locale] || {}
 145   }
 146
 147   async isTokenValid (token: MOAuthTokenUser, type: 'access' | 'refresh') {
 148     const auth = this.getAuth(token.User.pluginAuth, token.authName)
 149     if (!auth) return true
 150
 151     if (auth.hookTokenValidity) {
 152       try {
 153         const { valid } = await auth.hookTokenValidity({ token, type })
 154
 155         if (valid === false) {
 156           logger.info('Rejecting %s token validity from auth %s of plugin %s', type, token.authName, token.User.pluginAuth)
 157         }
 158
 159         return valid
 160       } catch (err) {
 161         logger.warn('Cannot run check token validity from auth %s of plugin %s.', token.authName, token.User.pluginAuth, { err })
 162         return true
 163       }
 164     }
 165
 166     return true
 167   }
 168
 169   // ###################### External events ######################
 170
 171   onLogout (npmName: string, authName: string, user: MUser) {
 172     const auth = this.getAuth(npmName, authName)
 173
 174     if (auth?.onLogout) {
 175       logger.info('Running onLogout function from auth %s of plugin %s', authName, npmName)
 176
 177       try {
 178         auth.onLogout(user)
 179       } catch (err) {
 180         logger.warn('Cannot run onLogout function from auth %s of plugin %s.', authName, npmName, { err })
 181       }
 182     }
 183   }
 184
 185   onSettingsChanged (name: string, settings: any) {
 186     const registered = this.getRegisteredPluginByShortName(name)
 187     if (!registered) {
 188       logger.error('Cannot find plugin %s to call on settings changed.', name)
 189     }
 190
 191     for (const cb of registered.registerHelpersStore.getOnSettingsChangedCallbacks()) {
 192       try {
 193         cb(settings)
 194       } catch (err) {
 195         logger.error('Cannot run on settings changed callback for %s.', registered.npmName, { err })
 196       }
 197     }
 198   }
 199
 200   // ###################### Hooks ######################
 201
 202   async runHook<T> (hookName: ServerHookName, result?: T, params?: any): Promise<T> {
 203     if (!this.hooks[hookName]) return Promise.resolve(result)
 204
 205     const hookType = getHookType(hookName)
 206
 207     for (const hook of this.hooks[hookName]) {
 208       logger.debug('Running hook %s of plugin %s.', hookName, hook.npmName)
 209
 210       result = await internalRunHook(hook.handler, hookType, result, params, err => {
 211         logger.error('Cannot run hook %s of plugin %s.', hookName, hook.pluginName, { err })
 212       })
 213     }
 214
 215     return result
 216   }
 217
 218   // ###################### Registration ######################
 219
 220   async registerPluginsAndThemes () {
 221     await this.resetCSSGlobalFile()
 222
 223     const plugins = await PluginModel.listEnabledPluginsAndThemes()
 224
 225     for (const plugin of plugins) {
 226       try {
 227         await this.registerPluginOrTheme(plugin)
 228       } catch (err) {
 229         // Try to unregister the plugin
 230         try {
 231           await this.unregister(PluginModel.buildNpmName(plugin.name, plugin.type))
 232         } catch {
 233           // we don't care if we cannot unregister it
 234         }
 235
 236         logger.error('Cannot register plugin %s, skipping.', plugin.name, { err })
 237       }
 238     }
 239
 240     this.sortHooksByPriority()
 241   }
 242
 243   // Don't need the plugin type since themes cannot register server code
 244   async unregister (npmName: string) {
 245     logger.info('Unregister plugin %s.', npmName)
 246
 247     const plugin = this.getRegisteredPluginOrTheme(npmName)
 248
 249     if (!plugin) {
 250       throw new Error(`Unknown plugin ${npmName} to unregister`)
 251     }
 252
 253     delete this.registeredPlugins[plugin.npmName]
 254
 255     this.deleteTranslations(plugin.npmName)
 256
 257     if (plugin.type === PluginType.PLUGIN) {
 258       await plugin.unregister()
 259
 260       // Remove hooks of this plugin
 261       for (const key of Object.keys(this.hooks)) {
 262         this.hooks[key] = this.hooks[key].filter(h => h.npmName !== npmName)
 263       }
 264
 265       const store = plugin.registerHelpersStore
 266       store.reinitVideoConstants(plugin.npmName)
 267
 268       logger.info('Regenerating registered plugin CSS to global file.')
 269       await this.regeneratePluginGlobalCSS()
 270     }
 271   }
 272
 273   // ###################### Installation ######################
 274
 275   async install (toInstall: string, version?: string, fromDisk = false) {
 276     let plugin: PluginModel
 277     let npmName: string
 278
 279     logger.info('Installing plugin %s.', toInstall)
 280
 281     try {
 282       fromDisk
 283         ? await installNpmPluginFromDisk(toInstall)
 284         : await installNpmPlugin(toInstall, version)
 285
 286       npmName = fromDisk ? basename(toInstall) : toInstall
 287       const pluginType = PluginModel.getTypeFromNpmName(npmName)
 288       const pluginName = PluginModel.normalizePluginName(npmName)
 289
 290       const packageJSON = await this.getPackageJSON(pluginName, pluginType)
 291
 292       this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, pluginType);
 293
 294       [ plugin ] = await PluginModel.upsert({
 295         name: pluginName,
 296         description: packageJSON.description,
 297         homepage: packageJSON.homepage,
 298         type: pluginType,
 299         version: packageJSON.version,
 300         enabled: true,
 301         uninstalled: false,
 302         peertubeEngine: packageJSON.engine.peertube
 303       }, { returning: true })
 304     } catch (err) {
 305       logger.error('Cannot install plugin %s, removing it...', toInstall, { err })
 306
 307       try {
 308         await removeNpmPlugin(npmName)
 309       } catch (err) {
 310         logger.error('Cannot remove plugin %s after failed installation.', toInstall, { err })
 311       }
 312
 313       throw err
 314     }
 315
 316     logger.info('Successful installation of plugin %s.', toInstall)
 317
 318     await this.registerPluginOrTheme(plugin)
 319
 320     return plugin
 321   }
 322
 323   async update (toUpdate: string, version?: string, fromDisk = false) {
 324     const npmName = fromDisk ? basename(toUpdate) : toUpdate
 325
 326     logger.info('Updating plugin %s.', npmName)
 327
 328     // Unregister old hooks
 329     await this.unregister(npmName)
 330
 331     return this.install(toUpdate, version, fromDisk)
 332   }
 333
 334   async uninstall (npmName: string) {
 335     logger.info('Uninstalling plugin %s.', npmName)
 336
 337     try {
 338       await this.unregister(npmName)
 339     } catch (err) {
 340       logger.warn('Cannot unregister plugin %s.', npmName, { err })
 341     }
 342
 343     const plugin = await PluginModel.loadByNpmName(npmName)
 344     if (!plugin || plugin.uninstalled === true) {
 345       logger.error('Cannot uninstall plugin %s: it does not exist or is already uninstalled.', npmName)
 346       return
 347     }
 348
 349     plugin.enabled = false
 350     plugin.uninstalled = true
 351
 352     await plugin.save()
 353
 354     await removeNpmPlugin(npmName)
 355
 356     logger.info('Plugin %s uninstalled.', npmName)
 357   }
 358
 359   // ###################### Private register ######################
 360
 361   private async registerPluginOrTheme (plugin: PluginModel) {
 362     const npmName = PluginModel.buildNpmName(plugin.name, plugin.type)
 363
 364     logger.info('Registering plugin or theme %s.', npmName)
 365
 366     const packageJSON = await this.getPackageJSON(plugin.name, plugin.type)
 367     const pluginPath = this.getPluginPath(plugin.name, plugin.type)
 368
 369     this.sanitizeAndCheckPackageJSONOrThrow(packageJSON, plugin.type)
 370
 371     let library: PluginLibrary
 372     let registerHelpersStore: RegisterHelpersStore
 373     if (plugin.type === PluginType.PLUGIN) {
 374       const result = await this.registerPlugin(plugin, pluginPath, packageJSON)
 375       library = result.library
 376       registerHelpersStore = result.registerStore
 377     }
 378
 379     const clientScripts: { [id: string]: ClientScript } = {}
 380     for (const c of packageJSON.clientScripts) {
 381       clientScripts[c.script] = c
 382     }
 383
 384     this.registeredPlugins[npmName] = {
 385       npmName,
 386       name: plugin.name,
 387       type: plugin.type,
 388       version: plugin.version,
 389       description: plugin.description,
 390       peertubeEngine: plugin.peertubeEngine,
 391       path: pluginPath,
 392       staticDirs: packageJSON.staticDirs,
 393       clientScripts,
 394       css: packageJSON.css,
 395       registerHelpersStore: registerHelpersStore || undefined,
 396       unregister: library ? library.unregister : undefined
 397     }
 398
 399     await this.addTranslations(plugin, npmName, packageJSON.translations)
 400   }
 401
 402   private async registerPlugin (plugin: PluginModel, pluginPath: string, packageJSON: PluginPackageJson) {
 403     const npmName = PluginModel.buildNpmName(plugin.name, plugin.type)
 404
 405     // Delete cache if needed
 406     const modulePath = join(pluginPath, packageJSON.library)
 407     delete require.cache[modulePath]
 408     const library: PluginLibrary = require(modulePath)
 409
 410     if (!isLibraryCodeValid(library)) {
 411       throw new Error('Library code is not valid (miss register or unregister function)')
 412     }
 413
 414     const { registerOptions, registerStore } = this.getRegisterHelpers(npmName, plugin)
 415     library.register(registerOptions)
 416            .catch(err => logger.error('Cannot register plugin %s.', npmName, { err }))
 417
 418     logger.info('Add plugin %s CSS to global file.', npmName)
 419
 420     await this.addCSSToGlobalFile(pluginPath, packageJSON.css)
 421
 422     return { library, registerStore }
 423   }
 424
 425   // ###################### Translations ######################
 426
 427   private async addTranslations (plugin: PluginModel, npmName: string, translationPaths: PackagePluginTranslations) {
 428     for (const locale of Object.keys(translationPaths)) {
 429       const path = translationPaths[locale]
 430       const json = await readJSON(join(this.getPluginPath(plugin.name, plugin.type), path))
 431
 432       if (!this.translations[locale]) this.translations[locale] = {}
 433       this.translations[locale][npmName] = json
 434
 435       logger.info('Added locale %s of plugin %s.', locale, npmName)
 436     }
 437   }
 438
 439   private deleteTranslations (npmName: string) {
 440     for (const locale of Object.keys(this.translations)) {
 441       delete this.translations[locale][npmName]
 442
 443       logger.info('Deleted locale %s of plugin %s.', locale, npmName)
 444     }
 445   }
 446
 447   // ###################### CSS ######################
 448
 449   private resetCSSGlobalFile () {
 450     ClientHtml.invalidCache()
 451
 452     return outputFile(PLUGIN_GLOBAL_CSS_PATH, '')
 453   }
 454
 455   private async addCSSToGlobalFile (pluginPath: string, cssRelativePaths: string[]) {
 456     for (const cssPath of cssRelativePaths) {
 457       await this.concatFiles(join(pluginPath, cssPath), PLUGIN_GLOBAL_CSS_PATH)
 458     }
 459
 460     ClientHtml.invalidCache()
 461   }
 462
 463   private concatFiles (input: string, output: string) {
 464     return new Promise<void>((res, rej) => {
 465       const inputStream = createReadStream(input)
 466       const outputStream = createWriteStream(output, { flags: 'a' })
 467
 468       inputStream.pipe(outputStream)
 469
 470       inputStream.on('end', () => res())
 471       inputStream.on('error', err => rej(err))
 472     })
 473   }
 474
 475   private async regeneratePluginGlobalCSS () {
 476     await this.resetCSSGlobalFile()
 477
 478     for (const plugin of this.getRegisteredPlugins()) {
 479       await this.addCSSToGlobalFile(plugin.path, plugin.css)
 480     }
 481   }
 482
 483   // ###################### Utils ######################
 484
 485   private sortHooksByPriority () {
 486     for (const hookName of Object.keys(this.hooks)) {
 487       this.hooks[hookName].sort((a, b) => {
 488         return b.priority - a.priority
 489       })
 490     }
 491   }
 492
 493   private getPackageJSON (pluginName: string, pluginType: PluginType) {
 494     const pluginPath = join(this.getPluginPath(pluginName, pluginType), 'package.json')
 495
 496     return readJSON(pluginPath) as Promise<PluginPackageJson>
 497   }
 498
 499   private getPluginPath (pluginName: string, pluginType: PluginType) {
 500     const npmName = PluginModel.buildNpmName(pluginName, pluginType)
 501
 502     return join(CONFIG.STORAGE.PLUGINS_DIR, 'node_modules', npmName)
 503   }
 504
 505   private getAuth (npmName: string, authName: string) {
 506     const plugin = this.getRegisteredPluginOrTheme(npmName)
 507     if (!plugin || plugin.type !== PluginType.PLUGIN) return null
 508
 509     let auths: (RegisterServerAuthPassOptions | RegisterServerAuthExternalOptions)[] = plugin.registerHelpersStore.getIdAndPassAuths()
 510     auths = auths.concat(plugin.registerHelpersStore.getExternalAuths())
 511
 512     return auths.find(a => a.authName === authName)
 513   }
 514
 515   // ###################### Private getters ######################
 516
 517   private getRegisteredPluginsOrThemes (type: PluginType) {
 518     const plugins: RegisteredPlugin[] = []
 519
 520     for (const npmName of Object.keys(this.registeredPlugins)) {
 521       const plugin = this.registeredPlugins[npmName]
 522       if (plugin.type !== type) continue
 523
 524       plugins.push(plugin)
 525     }
 526
 527     return plugins
 528   }
 529
 530   // ###################### Generate register helpers ######################
 531
 532   private getRegisterHelpers (
 533     npmName: string,
 534     plugin: PluginModel
 535   ): { registerStore: RegisterHelpersStore, registerOptions: RegisterServerOptions } {
 536     const onHookAdded = (options: RegisterServerHookOptions) => {
 537       if (!this.hooks[options.target]) this.hooks[options.target] = []
 538
 539       this.hooks[options.target].push({
 540         npmName: npmName,
 541         pluginName: plugin.name,
 542         handler: options.handler,
 543         priority: options.priority || 0
 544       })
 545     }
 546
 547     const registerHelpersStore = new RegisterHelpersStore(npmName, plugin, onHookAdded.bind(this))
 548
 549     return {
 550       registerStore: registerHelpersStore,
 551       registerOptions: registerHelpersStore.buildRegisterHelpers()
 552     }
 553   }
 554
 555   private sanitizeAndCheckPackageJSONOrThrow (packageJSON: PluginPackageJson, pluginType: PluginType) {
 556     if (!packageJSON.staticDirs) packageJSON.staticDirs = {}
 557     if (!packageJSON.css) packageJSON.css = []
 558     if (!packageJSON.clientScripts) packageJSON.clientScripts = []
 559     if (!packageJSON.translations) packageJSON.translations = {}
 560
 561     const { result: packageJSONValid, badFields } = isPackageJSONValid(packageJSON, pluginType)
 562     if (!packageJSONValid) {
 563       const formattedFields = badFields.map(f => `"${f}"`)
 564                                        .join(', ')
 565
 566       throw new Error(`PackageJSON is invalid (invalid fields: ${formattedFields}).`)
 567     }
 568   }
 569
 570   static get Instance () {
 571     return this.instance || (this.instance = new this())
 572   }
 573 }