bloat/util/rand.go

32 lines
563 B
Go

package util
import (
"crypto/rand"
"math/big"
)
var (
runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
runes_length = len(runes)
)
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()]
}
return string(data), nil
}
func NewSessionId() (string, error) {
return NewRandId(24)
}
func NewCSRFToken() (string, error) {
return NewRandId(24)
}