25 lines
806 B
Go
25 lines
806 B
Go
// Copyright 2018 Frédéric Guillot. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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package middleware
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import (
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"net/http"
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)
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// CommonHeaders sends common HTTP headers.
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func (m *Middleware) CommonHeaders(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("X-XSS-Protection", "1; mode=block")
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w.Header().Set("X-Content-Type-Options", "nosniff")
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w.Header().Set("X-Frame-Options", "DENY")
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w.Header().Set("Content-Security-Policy", "default-src 'self'; img-src *; media-src *; frame-src *; child-src *")
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if m.cfg.IsHTTPS && m.cfg.HasHSTS() {
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w.Header().Set("Strict-Transport-Security", "max-age=31536000")
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}
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next.ServeHTTP(w, r)
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})
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}
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