37 lines
626 B
Go
37 lines
626 B
Go
package rnd
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import (
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"strings"
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uuid "github.com/satori/go.uuid"
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)
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// UUID returns a standard, random UUID as string.
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func UUID() string {
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return uuid.NewV4().String()
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}
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// IsUUID tests if the string looks like a standard UUID.
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func IsUUID(s string) bool {
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return len(s) == 36 && IsHex(s)
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}
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// SanitizeUUID normalizes UUIDs found in XMP or Exif metadata.
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func SanitizeUUID(s string) string {
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if s == "" {
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return ""
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}
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s = strings.Replace(strings.TrimSpace(s), "\"", "", -1)
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if start := strings.LastIndex(s, ":"); start != -1 {
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s = s[start+1:]
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}
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if !IsUUID(s) {
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return ""
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}
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return strings.ToLower(s)
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}
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