mirror of
https://github.com/owncast/owncast.git
synced 2024-11-21 20:28:15 +03:00
38 lines
1 KiB
Go
38 lines
1 KiB
Go
package utils
|
|
|
|
import (
|
|
"crypto/rand"
|
|
"encoding/base64"
|
|
)
|
|
|
|
const tokenLength = 32
|
|
|
|
// GenerateAccessToken will generate and return an access token.
|
|
func GenerateAccessToken() (string, error) {
|
|
return GenerateRandomString(tokenLength)
|
|
}
|
|
|
|
// generateRandomBytes returns securely generated random bytes.
|
|
// It will return an error if the system's secure random
|
|
// number generator fails to function correctly, in which
|
|
// case the caller should not continue.
|
|
func generateRandomBytes(n int) ([]byte, error) {
|
|
b := make([]byte, n)
|
|
_, err := rand.Read(b)
|
|
// Note that err == nil only if we read len(b) bytes.
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return b, nil
|
|
}
|
|
|
|
// GenerateRandomString returns a URL-safe, base64 encoded
|
|
// securely generated random string.
|
|
// It will return an error if the system's secure random
|
|
// number generator fails to function correctly, in which
|
|
// case the caller should not continue.
|
|
func GenerateRandomString(n int) (string, error) {
|
|
b, err := generateRandomBytes(n)
|
|
return base64.URLEncoding.EncodeToString(b), err
|
|
}
|