bloat/util/rand.go

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package util
import (
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"crypto/rand"
"math/big"
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)
var (
runes = []rune("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890")
runes_length = len(runes)
)
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func NewRandID(n int) (string, error) {
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data := make([]rune, n)
for i := range data {
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num, err := rand.Int(rand.Reader, big.NewInt(int64(runes_length)))
if err != nil {
return "", err
}
data[i] = runes[num.Int64()]
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}
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return string(data), nil
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}
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func NewSessionID() (string, error) {
return NewRandID(24)
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}
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func NewCSRFToken() (string, error) {
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return NewRandID(24)
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}