feat: configurable logout page URL for proxy/hook auth (#3884)

Co-authored-by: Henrique Dias <mail@hacdias.com>

frontend/src/utils/auth.ts

@@ -2,7 +2,7 @@ import { useAuthStore } from "@/stores/auth";
 import router from "@/router";
 import type { JwtPayload } from "jwt-decode";
 import { jwtDecode } from "jwt-decode";
-import { baseURL, noAuth } from "./constants";
+import { authMethod, baseURL, noAuth, logoutPage } from "./constants";
 import { StatusError } from "@/api/utils";
 import { setSafeTimeout } from "@/api/utils";
 
@@ -18,6 +18,12 @@ export function parseToken(token: string) {
   authStore.jwt = token;
   authStore.setUser(data.user);
 
+  // proxy auth with custom logout subject to unknown external timeout
+  if (logoutPage !== "/login" && authMethod === "proxy") {
+    console.warn("idle timeout disabled with proxy auth and custom logout");
+    return;
+  }
+
   if (authStore.logoutTimer) {
     clearTimeout(authStore.logoutTimer);
   }
@@ -118,6 +124,8 @@ export function logout(reason?: string) {
   localStorage.setItem("jwt", "");
   if (noAuth) {
     window.location.reload();
+  } else if (logoutPage !== "/login") {
+    document.location.href = `${logoutPage}`;
   } else {
     if (typeof reason === "string" && reason.trim() !== "") {
       router.push({