fix: fix bugs in jwt parsing and redirect uri handling

frontend/src/lib/hooks/redirect-uri.ts

@@ -15,7 +15,7 @@ export const useRedirectUri = (
   let isAllowedProto = false;
   let isHttpsDowngrade = false;
 
-  if (redirect_uri === undefined) {
+  if (!redirect_uri) {
     return {
       valid: isValid,
       trusted: isTrusted,

frontend/src/pages/authorize-page.tsx

@@ -110,11 +110,7 @@ export const AuthorizePage = () => {
     },
   });
 
-  if (
-    !isOidc ||
-    screenParams.oidc_ticket === undefined ||
-    screenParams.oidc_scope === undefined
-  ) {
+  if (!isOidc || !screenParams.oidc_ticket || !screenParams.oidc_scope) {
     return (
       <Navigate
         to={`/error?error=${encodeURIComponent(t("authorizeErrorInvalidParams"))}`}

frontend/src/pages/error-page.tsx

@@ -11,7 +11,7 @@ export const ErrorPage = () => {
   const { t } = useTranslation();
   const { search } = useLocation();
   const searchParams = new URLSearchParams(search);
-  const error = searchParams.get("error") ?? "";
+  const error = searchParams.get("error") || "";
 
   return (
     <Card>

frontend/src/pages/login-page.tsx

@@ -168,7 +168,8 @@ export const LoginPage = () => {
       !auth.authenticated &&
       isOauthAutoRedirect &&
       !hasAutoRedirectedRef.current &&
-      screenParams.login_for !== undefined
+      screenParams.redirect_uri &&
+      screenParams.login_for
     ) {
       hasAutoRedirectedRef.current = true;
       oauthMutate(oauth.autoRedirect);
@@ -180,6 +181,7 @@ export const LoginPage = () => {
     oauth.autoRedirect,
     isOauthAutoRedirect,
     screenParams.login_for,
+    screenParams.redirect_uri,
   ]);
 
   useEffect(() => {