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29 lines
647 B
Go
29 lines
647 B
Go
// Copyright 2019 Drone.IO Inc. All rights reserved.
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// Use of this source code is governed by the Polyform License
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// that can be found in the LICENSE file.
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package handler
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import (
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"net/http"
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"time"
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)
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// unix epoch time
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var epoch = time.Unix(0, 0).Format(time.RFC1123)
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// http headers to disable caching.
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var noCacheHeaders = map[string]string{
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"Expires": epoch,
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"Cache-Control": "no-cache, private, max-age=0",
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"Pragma": "no-cache",
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"X-Accel-Expires": "0",
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}
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// helper function to prevent http response caching.
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func nocache(w http.ResponseWriter) {
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for k, v := range noCacheHeaders {
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w.Header().Set(k, v)
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}
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}
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