🐛 Transform CSRF token into base64URL string

csrf.go

@@ -3,6 +3,7 @@ package middleware
 import (
 	"crypto/rand"
 	"crypto/subtle"
+	"encoding/base64"
 	"errors"
 	"strings"
 	"time"
@@ -163,6 +164,8 @@ func CSRFWithConfig(config CSRFConfig) Interceptor {
 
 				return
 			}
+
+			token = []byte(base64.RawURLEncoding.EncodeToString(token))
 		}
 
 		switch {