Use URL-safe base64 encoding of state value

freifunkMUC · Aug 2, 2022 · 1266533 · 1266533
1 parent 852a528
commit 1266533
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/pkg/authnz/authutil/random.go b/pkg/authnz/authutil/random.go
@@ -8,11 +8,12 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+// RandomString returns a base64url-encoded string of random data of size bytes
 func RandomString(size int) string {
 	blk := make([]byte, size)
 	_, err := rand.Read(blk)
 	if err != nil {
 		logrus.Fatal(errors.Wrap(err, "failed to make a random string"))
 	}
-	return base64.StdEncoding.EncodeToString(blk)
+	return base64.URLEncoding.EncodeToString(blk)
 }