Move old backend code to old_src folder

Signed-off-by: David Mehren <git@herrmehren.de>

old_src/lib/web/auth/facebook/index.ts

@@ -0,0 +1,31 @@
+import passport from 'passport'
+import { config } from '../../../config'
+import { AuthMiddleware } from '../interface'
+import { Router } from 'express'
+import { passportGeneralCallback } from '../utils'
+import { Strategy as FacebookStrategy } from 'passport-facebook'
+
+export const FacebookMiddleware: AuthMiddleware = {
+  getMiddleware (): Router {
+    const facebookAuth = Router()
+    passport.use(new FacebookStrategy({
+      clientID: config.facebook.clientID,
+      clientSecret: config.facebook.clientSecret,
+      callbackURL: config.serverURL + '/auth/facebook/callback'
+    }, passportGeneralCallback
+    ))
+
+    facebookAuth.get('/auth/facebook', function (req, res, next) {
+      passport.authenticate('facebook')(req, res, next)
+    })
+
+    // facebook auth callback
+    facebookAuth.get('/auth/facebook/callback',
+      passport.authenticate('facebook', {
+        successReturnToOrRedirect: config.serverURL + '/',
+        failureRedirect: config.serverURL + '/'
+      })
+    )
+    return facebookAuth
+  }
+}