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22 lines
505 B
Go
22 lines
505 B
Go
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package main
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import "bytes"
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// GetHSTSHeader returns a HSTS header with includeSubdomains & preload for MainDomainSuffix and RawDomain, or an empty
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// string for custom domains.
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func GetHSTSHeader(host []byte) string {
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if bytes.HasSuffix(host, MainDomainSuffix) || bytes.Equal(host, RawDomain) {
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return "max-age=63072000; includeSubdomains; preload"
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} else {
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return ""
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}
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}
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func TrimHostPort(host []byte) []byte {
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i := bytes.IndexByte(host, ':')
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if i >= 0 {
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return host[:i]
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}
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return host
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}
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