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// License: GPLv3 Copyright: 2023, Kovid Goyal, <kovid at kovidgoyal.net>
package secrets
import (
"crypto/rand"
"encoding/base64"
"encoding/hex"
"fmt"
)
var _ = fmt.Print
const DEFAULT_NUM_OF_BYTES_FOR_TOKEN = 32
func TokenBytes(nbytes ...int) ([]byte, error) {
if len(nbytes) == 0 {
nbytes = []int{DEFAULT_NUM_OF_BYTES_FOR_TOKEN}
}
buf := make([]byte, nbytes[0])
_, err := rand.Read(buf)
if err != nil {
return nil, err
}
return buf, nil
}
func TokenHex(nbytes ...int) (string, error) {
b, err := TokenBytes(nbytes...)
if err != nil {
return "", err
}
return hex.EncodeToString(b), nil
}
func TokenBase64(nbytes ...int) (string, error) {
b, err := TokenBytes(nbytes...)
if err != nil {
return "", err
}
return base64.StdEncoding.EncodeToString(b), nil
}
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