Refactored dropbox to typescript

Signed-off-by: Yannick Bungers <git@innay.de>
Signed-off-by: David Mehren <dmehren1@gmail.com>

lib/web/auth/dropbox/index.ts

@@ -3,24 +3,29 @@ import { config } from '../../../config'
 import { passportGeneralCallback } from '../utils'
 import { Router, Response, NextFunction, Request } from 'express'
 import * as DropboxStrategy from 'passport-dropbox-oauth2'
+import { AuthMiddleware } from '../interface'
 
 export const dropboxAuth = Router()
 
-passport.use(new DropboxStrategy({
+export const EmailMiddleware: AuthMiddleware = {
+  getMiddleware (): Router {
+    passport.use(new DropboxStrategy({
       apiVersion: '2',
       clientID: config.dropbox.clientID,
       clientSecret: config.dropbox.clientSecret,
       callbackURL: config.serverURL + '/auth/dropbox/callback'
-}, passportGeneralCallback))
+    }, passportGeneralCallback))
 
-dropboxAuth.get('/auth/dropbox', function (req: Request, res: Response, next: NextFunction) {
+    dropboxAuth.get('/auth/dropbox', function (req: Request, res: Response, next: NextFunction) {
       passport.authenticate('dropbox-oauth2')(req, res, next)
-})
+    })
-
+    dropboxAuth.get('/auth/dropbox/callback',
-// dropbox auth callback
-dropboxAuth.get('/auth/dropbox/callback',
       passport.authenticate('dropbox-oauth2', {
         successReturnToOrRedirect: config.serverURL + '/',
         failureRedirect: config.serverURL + '/'
       })
-)
+    )
+    return dropboxAuth
+  }
+
+}