Hop
33 lines
742 B
Go
33 lines
742 B
Go
package ids
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import (
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"crypto/rand"
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"encoding/base32"
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"time"
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)
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var encoding = base32.NewEncoding("0123456789ABCDEFGHJKMNPQRSTVWXYZ").WithPadding(base32.NoPadding)
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func Repository() (string, error) {
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return newID("RP_")
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}
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func Prompt() (string, error) {
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return newID("PM_")
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}
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func newID(prefix string) (string, error) {
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value := make([]byte, 16)
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milliseconds := uint64(time.Now().UnixMilli())
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value[0] = byte(milliseconds >> 40)
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value[1] = byte(milliseconds >> 32)
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value[2] = byte(milliseconds >> 24)
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value[3] = byte(milliseconds >> 16)
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value[4] = byte(milliseconds >> 8)
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value[5] = byte(milliseconds)
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if _, err := rand.Read(value[6:]); err != nil {
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return "", err
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}
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return prefix + encoding.EncodeToString(value), nil
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}
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