Clément Fiere
17 lines
428 B
Go
17 lines
428 B
Go
package hostnames
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import "strings"
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// NormalizeHostname returns the first DNS record suitable for display.
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func NormalizeHostname(names []string) string {
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for _, name := range names {
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name = strings.TrimSuffix(strings.TrimSpace(name), ".")
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lower := strings.ToLower(name)
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if name == "" || strings.HasSuffix(lower, ".in-addr.arpa") || strings.HasSuffix(lower, ".ip6.arpa") {
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continue
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}
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return name
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}
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return ""
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}
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