Substitute hardcoded auth modes for variables

backend/src/routes/v1/auth.ts

@@ -4,6 +4,7 @@ import { body } from 'express-validator';
 import { requireAuth, validateRequest } from '../../middleware';
 import { authController } from '../../controllers/v1';
 import { authLimiter } from '../../helpers/rateLimiter';
+import { AUTH_MODE_JWT } from '../../variables';
 
 router.post('/token', validateRequest, authController.getNewToken);
 
@@ -29,7 +30,7 @@ router.post(
   '/logout', 
   authLimiter,
   requireAuth({
-    acceptedAuthModes: ['jwt']
+    acceptedAuthModes: [AUTH_MODE_JWT]
   }), 
   authController.logout
 );
@@ -37,7 +38,7 @@ router.post(
 router.post(
   '/checkAuth', 
   requireAuth({
-    acceptedAuthModes: ['jwt']
+    acceptedAuthModes: [AUTH_MODE_JWT]
   }), 
   authController.checkAuth
 );