Use shared middleware to enforce master key on hooks API.

Author: nlutsenko

src/Routers/HooksRouter.js

@@ -1,15 +1,9 @@
 import { Parse } from 'parse/node';
 import PromiseRouter from '../PromiseRouter';
 import { HooksController } from '../Controllers/HooksController';
- 
-function enforceMasterKeyAccess(req) {
-  if (!req.auth.isMaster) {
-    throw new Parse.Error(403, "unauthorized: master key is required");
-  }
-} 
+import * as middleware from "../middlewares";
 
 export class HooksRouter extends PromiseRouter {
-  
   createHook(aHook, config) {
     return config.hooksController.createHook(aHook).then( (hook) => ({response: hook}));
   };
@@ -93,14 +87,14 @@ export class HooksRouter extends PromiseRouter {
   }
 
   mountRoutes() {
-    this.route('GET',  '/hooks/functions', enforceMasterKeyAccess, this.handleGetFunctions.bind(this));
-    this.route('GET',  '/hooks/triggers', enforceMasterKeyAccess, this.handleGetTriggers.bind(this));
-    this.route('GET',  '/hooks/functions/:functionName', enforceMasterKeyAccess, this.handleGetFunctions.bind(this));
-    this.route('GET',  '/hooks/triggers/:className/:triggerName', enforceMasterKeyAccess, this.handleGetTriggers.bind(this));
-    this.route('POST', '/hooks/functions', enforceMasterKeyAccess, this.handlePost.bind(this));
-    this.route('POST', '/hooks/triggers', enforceMasterKeyAccess, this.handlePost.bind(this));
-    this.route('PUT',  '/hooks/functions/:functionName', enforceMasterKeyAccess, this.handlePut.bind(this));
-    this.route('PUT',  '/hooks/triggers/:className/:triggerName', enforceMasterKeyAccess, this.handlePut.bind(this));
+    this.route('GET',  '/hooks/functions', middleware.promiseEnforceMasterKeyAccess, this.handleGetFunctions.bind(this));
+    this.route('GET',  '/hooks/triggers', middleware.promiseEnforceMasterKeyAccess, this.handleGetTriggers.bind(this));
+    this.route('GET',  '/hooks/functions/:functionName', middleware.promiseEnforceMasterKeyAccess, this.handleGetFunctions.bind(this));
+    this.route('GET',  '/hooks/triggers/:className/:triggerName', middleware.promiseEnforceMasterKeyAccess, this.handleGetTriggers.bind(this));
+    this.route('POST', '/hooks/functions', middleware.promiseEnforceMasterKeyAccess, this.handlePost.bind(this));
+    this.route('POST', '/hooks/triggers', middleware.promiseEnforceMasterKeyAccess, this.handlePost.bind(this));
+    this.route('PUT',  '/hooks/functions/:functionName', middleware.promiseEnforceMasterKeyAccess, this.handlePut.bind(this));
+    this.route('PUT',  '/hooks/triggers/:className/:triggerName', middleware.promiseEnforceMasterKeyAccess, this.handlePut.bind(this));
   }
 }