pages-server/helpers.go

22 lines
505 B
Go

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