16 lines
352 B
Go
16 lines
352 B
Go
package security
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/base64"
|
|
)
|
|
|
|
// RandomURLSafe 生成 URL-safe 随机串（用于 opaque token、authorization code 等）。
|
|
func RandomURLSafe(nBytes int) (string, error) {
|
|
b := make([]byte, nBytes)
|
|
if _, err := rand.Read(b); err != nil {
|
|
return "", err
|
|
}
|
|
return base64.RawURLEncoding.EncodeToString(b), nil
|
|
}
|