34 lines
1.1 KiB
Go
34 lines
1.1 KiB
Go
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/*
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Copyright 2022 CAcert Inc.
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SPDX-License-Identifier: Apache-2.0
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import "net/http"
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func secureHeaders(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("Content-Security-Policy", "default-src 'self'; font-src 'self' data:")
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w.Header().Set("Referrer-Policy", "origin-when-cross-origin")
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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("X-XSS-Protection", "0")
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w.Header().Set("Strict-Transport-Security", "max-age=63072000")
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next.ServeHTTP(w, r)
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})
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}
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