70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package osutils
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import (
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"github.com/pkg/errors"
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"unicode"
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)
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func UuidValidate(uuid string) error {
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if len(uuid) != 36 {
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return errors.New("uuid length not valid")
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}
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// validate first 8 octets
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for i := 0; i < 8; i++ {
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if !(unicode.IsLetter(rune(uuid[i])) || unicode.IsDigit(rune(uuid[i]))) && uuid[i] == '-' {
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return errors.New("uuid first 8 octets not valid")
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}
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}
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// validate separator
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if uuid[8] != '-' {
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return errors.New("uuid separator not valid")
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}
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// validate second 4 octets
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for i := 9; i < 13; i++ {
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if !(unicode.IsLetter(rune(uuid[i])) || unicode.IsDigit(rune(uuid[i]))) && uuid[i] == '-' {
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return errors.New("uuid second 4 octets not valid")
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}
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}
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// validate separator
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if uuid[13] != '-' {
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return errors.New("uuid separator not valid")
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}
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// validate third 4 octets
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for i := 14; i < 18; i++ {
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if !(unicode.IsLetter(rune(uuid[i])) || unicode.IsDigit(rune(uuid[i]))) && uuid[i] == '-' {
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return errors.New("uuid third 4 octets not valid")
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}
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}
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// validate separator
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if uuid[18] != '-' {
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return errors.New("uuid separator not valid")
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}
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// validate fourth 4 octets
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for i := 19; i < 23; i++ {
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if !(unicode.IsLetter(rune(uuid[i])) || unicode.IsDigit(rune(uuid[i]))) && uuid[i] == '-' {
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return errors.New("uuid fourth 4 octets not valid")
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}
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}
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// validate separator
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if uuid[23] != '-' {
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return errors.New("uuid separator not valid")
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}
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// validate fourth 4 octets
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for i := 24; i < 36; i++ {
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if !(unicode.IsLetter(rune(uuid[i])) || unicode.IsDigit(rune(uuid[i]))) && uuid[i] == '-' {
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return errors.New("uuid fifth 12 octets not valid")
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}
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}
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return nil
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}
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