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-rw-r--r--util/rand.go20
1 files changed, 7 insertions, 13 deletions
diff --git a/util/rand.go b/util/rand.go
index 1e4ec95..90e66a5 100644
--- a/util/rand.go
+++ b/util/rand.go
@@ -2,24 +2,18 @@ package util
import (
"crypto/rand"
- "math/big"
+ "encoding/base64"
)
-var (
- runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
- runes_length = len(runes)
-)
+var enc = base64.URLEncoding
func NewRandID(n int) (string, error) {
- data := make([]rune, n)
- for i := range data {
- num, err := rand.Int(rand.Reader, big.NewInt(int64(runes_length)))
- if err != nil {
- return "", err
- }
- data[i] = runes[num.Int64()]
+ data := make([]byte, enc.DecodedLen(n))
+ _, err := rand.Read(data)
+ if err != nil {
+ return "", err
}
- return string(data), nil
+ return enc.EncodeToString(data), nil
}
func NewSessionID() (string, error) {