config.ru

@@ -5,7 +5,21 @@ run Sinatra::Application

                 
              

                 use Rack::Cors do
              

                   allow do
              

                -    origins  "*"
              

                -    resource "*", headers: :any, methods: [:get, :post, :options]
              

                +    origins 'localhost:3000', '127.0.0.1:3000',
              

                +            /http:\/\/192\.168\.0\.\d{1,3}(:\d+)?/
              

                +            # regular expressions can be used here
              

                +
              

                +    resource '/file/list_all/', :headers => 'x-domain-token'
              

                +    resource '/file/at/*',
              

                +        :methods => [:get, :post, :put, :delete, :options],
              

                +        :headers => 'x-domain-token',
              

                +        :expose  => ['Some-Custom-Response-Header'],
              

                +        :max_age => 600
              

                +        # headers to expose
              

                +  end
              

                +
              

                +  allow do
              

                +    origins '*'
              

                +    resource '/public/*', :headers => :any, :methods => :get
              

                   end
              

                 end