server/lib/oauth-model.ts

   1 import * as Bluebird from 'bluebird'
   2 import { AccessDeniedError } from 'oauth2-server'
   3 import { logger } from '../helpers/logger'
   4 import { UserModel } from '../models/account/user'
   5 import { OAuthClientModel } from '../models/oauth/oauth-client'
   6 import { OAuthTokenModel } from '../models/oauth/oauth-token'
   7 import { LRU_CACHE } from '../initializers/constants'
   8 import { Transaction } from 'sequelize'
   9 import { CONFIG } from '../initializers/config'
  10 import * as LRUCache from 'lru-cache'
  11 import { MOAuthTokenUser } from '@server/typings/models/oauth/oauth-token'
  12
  13 type TokenInfo = { accessToken: string, refreshToken: string, accessTokenExpiresAt: Date, refreshTokenExpiresAt: Date }
  14
  15 const accessTokenCache = new LRUCache<string, MOAuthTokenUser>({ max: LRU_CACHE.USER_TOKENS.MAX_SIZE })
  16 const userHavingToken = new LRUCache<number, string>({ max: LRU_CACHE.USER_TOKENS.MAX_SIZE })
  17
  18 // ---------------------------------------------------------------------------
  19
  20 function deleteUserToken (userId: number, t?: Transaction) {
  21   clearCacheByUserId(userId)
  22
  23   return OAuthTokenModel.deleteUserToken(userId, t)
  24 }
  25
  26 function clearCacheByUserId (userId: number) {
  27   const token = userHavingToken.get(userId)
  28
  29   if (token !== undefined) {
  30     accessTokenCache.del(token)
  31     userHavingToken.del(userId)
  32   }
  33 }
  34
  35 function clearCacheByToken (token: string) {
  36   const tokenModel = accessTokenCache.get(token)
  37
  38   if (tokenModel !== undefined) {
  39     userHavingToken.del(tokenModel.userId)
  40     accessTokenCache.del(token)
  41   }
  42 }
  43
  44 function getAccessToken (bearerToken: string) {
  45   logger.debug('Getting access token (bearerToken: ' + bearerToken + ').')
  46
  47   if (!bearerToken) return Bluebird.resolve(undefined)
  48
  49   if (accessTokenCache.has(bearerToken)) return Bluebird.resolve(accessTokenCache.get(bearerToken))
  50
  51   return OAuthTokenModel.getByTokenAndPopulateUser(bearerToken)
  52     .then(tokenModel => {
  53       if (tokenModel) {
  54         accessTokenCache.set(bearerToken, tokenModel)
  55         userHavingToken.set(tokenModel.userId, tokenModel.accessToken)
  56       }
  57
  58       return tokenModel
  59     })
  60 }
  61
  62 function getClient (clientId: string, clientSecret: string) {
  63   logger.debug('Getting Client (clientId: ' + clientId + ', clientSecret: ' + clientSecret + ').')
  64
  65   return OAuthClientModel.getByIdAndSecret(clientId, clientSecret)
  66 }
  67
  68 function getRefreshToken (refreshToken: string) {
  69   logger.debug('Getting RefreshToken (refreshToken: ' + refreshToken + ').')
  70
  71   return OAuthTokenModel.getByRefreshTokenAndPopulateClient(refreshToken)
  72 }
  73
  74 async function getUser (usernameOrEmail: string, password: string) {
  75   logger.debug('Getting User (username/email: ' + usernameOrEmail + ', password: ******).')
  76
  77   const user = await UserModel.loadByUsernameOrEmail(usernameOrEmail)
  78   if (!user) return null
  79
  80   const passwordMatch = await user.isPasswordMatch(password)
  81   if (passwordMatch === false) return null
  82
  83   if (user.blocked) throw new AccessDeniedError('User is blocked.')
  84
  85   if (CONFIG.SIGNUP.REQUIRES_EMAIL_VERIFICATION && user.emailVerified === false) {
  86     throw new AccessDeniedError('User email is not verified.')
  87   }
  88
  89   return user
  90 }
  91
  92 async function revokeToken (tokenInfo: TokenInfo) {
  93   const token = await OAuthTokenModel.getByRefreshTokenAndPopulateUser(tokenInfo.refreshToken)
  94   if (token) {
  95     clearCacheByToken(token.accessToken)
  96
  97     token.destroy()
  98          .catch(err => logger.error('Cannot destroy token when revoking token.', { err }))
  99   }
 100
 101   /*
 102     * Thanks to https://github.com/manjeshpv/node-oauth2-server-implementation/blob/master/components/oauth/mongo-models.js
 103     * "As per the discussion we need set older date
 104     * revokeToken will expected return a boolean in future version
 105     * https://github.com/oauthjs/node-oauth2-server/pull/274
 106     * https://github.com/oauthjs/node-oauth2-server/issues/290"
 107   */
 108   const expiredToken = token
 109   expiredToken.refreshTokenExpiresAt = new Date('2015-05-28T06:59:53.000Z')
 110
 111   return expiredToken
 112 }
 113
 114 async function saveToken (token: TokenInfo, client: OAuthClientModel, user: UserModel) {
 115   logger.debug('Saving token ' + token.accessToken + ' for client ' + client.id + ' and user ' + user.id + '.')
 116
 117   const tokenToCreate = {
 118     accessToken: token.accessToken,
 119     accessTokenExpiresAt: token.accessTokenExpiresAt,
 120     refreshToken: token.refreshToken,
 121     refreshTokenExpiresAt: token.refreshTokenExpiresAt,
 122     oAuthClientId: client.id,
 123     userId: user.id
 124   }
 125
 126   const tokenCreated = await OAuthTokenModel.create(tokenToCreate)
 127   return Object.assign(tokenCreated, { client, user })
 128 }
 129
 130 // ---------------------------------------------------------------------------
 131
 132 // See https://github.com/oauthjs/node-oauth2-server/wiki/Model-specification for the model specifications
 133 export {
 134   deleteUserToken,
 135   clearCacheByUserId,
 136   clearCacheByToken,
 137   getAccessToken,
 138   getClient,
 139   getRefreshToken,
 140   getUser,
 141   revokeToken,
 142   saveToken
 143 }