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validitymap.go
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validitymap.go
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// Copyright 2018 Google LLC
//
// 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
//
// https://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 validitymap
import (
"bytes"
"net/http"
"time"
)
type ValidityMap struct {
validityMap []byte
}
func New() (*ValidityMap, error) {
this := new(ValidityMap)
// https://tools.ietf.org/html/draft-yasskin-httpbis-origin-signed-exchanges-impl-00#section-3.6
// This is an empty validity map `{}`.
this.validityMap = []byte("\xA0")
return this, nil
}
func (this *ValidityMap) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
resp.Header().Set("Content-Type", "application/cbor")
resp.Header().Set("Cache-Control", "public, max-age=604800")
resp.Header().Set("X-Content-Type-Options", "nosniff")
http.ServeContent(resp, req, "", time.Time{}, bytes.NewReader(this.validityMap))
}