// Copyright © 2022 sealos.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package httpserver

import restful "github.com/emicklei/go-restful/v3"

// Cors is cors for restful utils
func Cors(wsContainer *restful.Container) {
	// Add container filter to enable CORS
	cors := restful.CrossOriginResourceSharing{
		// ExposeHeaders:  []string{"X-My-Header"},
		AllowedHeaders: []string{"Content-Type", "Accept"},
		AllowedMethods: []string{"GET", "POST", "PUT", "DELETE"},
		CookiesAllowed: true,
		Container:      wsContainer}
	wsContainer.Filter(cors.Filter)
	// Add container filter to respond to OPTIONS
	wsContainer.Filter(wsContainer.OPTIONSFilter)
}