fix: gob unregistered type url

handlers.go

@@ -5,7 +5,6 @@ import (
 	"encoding/json"
 	"fmt"
 	"net/http"
-	"net/url"
 
 	"github.com/coreos/go-oidc/v3/oidc"
 	"github.com/gorilla/mux"
@@ -136,8 +135,8 @@ func protectedHandler(basic bool) http.HandlerFunc {
 		}
 
 		if val, ok := session.Values["ac_url"]; ok {
-			if acurl, ok := val.(*url.URL); ok {
-				tpl.AuthorizeCodeURL = acurl.String()
+			if acurl, ok := val.(string); ok {
+				tpl.AuthorizeCodeURL = acurl
 			}
 		}
 
@@ -234,7 +233,7 @@ func oauthCallbackHandler(res http.ResponseWriter, req *http.Request) {
 
 	session.Values["claims"] = claims
 	session.Values["logged"] = true
-	session.Values["ac_url"] = req.URL
+	session.Values["ac_url"] = req.URL.String()
 	rawTokens[claims.JWTIdentifier] = idTokenRaw
 
 	if err = session.Save(req, res); err != nil {