Remove global CORS for api endpoints and setup temp CORS check for ebook endpoint

server/Auth.js

@@ -17,18 +17,6 @@ class Auth {
   constructor() {
   }
 
-  static cors(req, res, next) {
-    res.header('Access-Control-Allow-Origin', '*')
-    res.header("Access-Control-Allow-Methods", 'GET, POST, PATCH, PUT, DELETE, OPTIONS')
-    res.header('Access-Control-Allow-Headers', '*')
-    res.header('Access-Control-Allow-Credentials', true)
-    if (req.method === 'OPTIONS') {
-      res.sendStatus(200)
-    } else {
-      next()
-    }
-  }
-
   /**
    * Inializes all passportjs strategies and other passportjs ralated initialization.
    */