hedgedoc/old_src/lib/web/auth/google/index.ts
David Mehren 7b9f9a487b
Move old backend code to old_src folder
Signed-off-by: David Mehren <git@herrmehren.de>
2020-08-20 19:43:05 +02:00

44 lines
1.7 KiB
TypeScript

import { Router } from 'express'
import passport from 'passport'
import * as Google from 'passport-google-oauth20'
import { config } from '../../../config'
import { AuthMiddleware } from '../interface'
import { passportGeneralCallback } from '../utils'
const googleAuth = Router()
export const GoogleMiddleware: AuthMiddleware = {
getMiddleware: function (): Router {
passport.use(new Google.Strategy({
clientID: config.google.clientID,
clientSecret: config.google.clientSecret,
callbackURL: config.serverURL + '/auth/google/callback',
userProfileURL: 'https://www.googleapis.com/oauth2/v3/userinfo'
}, (
accessToken: string,
refreshToken: string,
profile,
done) => {
/*
This ugly hack is neccessary, because the Google Strategy wants a done-callback with an err as Error | null | undefined
but the passportGeneralCallback (and every other PassportStrategy) want a done-callback with err as string | Error | undefined
Note the absence of null. The lambda converts all `null` to `undefined`.
*/
passportGeneralCallback(accessToken, refreshToken, profile, (err?, user?) => {
done(err === null ? undefined : err, user)
})
}))
googleAuth.get('/auth/google', function (req, res, next) {
const authOpts = { scope: ['profile'], hostedDomain: config.google.hostedDomain }
passport.authenticate('google', authOpts)(req, res, next)
})
googleAuth.get('/auth/google/callback',
passport.authenticate('google', {
successReturnToOrRedirect: config.serverURL + '/',
failureRedirect: config.serverURL + '/'
})
)
return googleAuth
}
}