77 lines
2.2 KiB
TypeScript
77 lines
2.2 KiB
TypeScript
// components/main/settingsPageComponents/hooks/useAdminAuth.ts
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import { useState, useEffect } from "react";
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import CryptoJS from "crypto-js";
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/**
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* Entschlüsselt den gespeicherten Token (AES) aus sessionStorage.
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*/
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function decryptToken(encryptedToken: string) {
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const encryptionKey = process.env.NEXT_PUBLIC_ENCRYPTION_KEY;
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const encryptionIV = process.env.NEXT_PUBLIC_ENCRYPTION_IV;
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if (!encryptionKey || !encryptionIV) {
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throw new Error("Encryption key or IV is not defined.");
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}
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const key = CryptoJS.enc.Utf8.parse(encryptionKey);
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const iv = CryptoJS.enc.Utf8.parse(encryptionIV);
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const decrypted = CryptoJS.AES.decrypt(encryptedToken, key, { iv });
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return JSON.parse(decrypted.toString(CryptoJS.enc.Utf8));
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}
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export function useAdminAuth(showModal: boolean) {
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const [isAdminLoggedIn, setAdminLoggedIn] = useState(false);
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/**
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* Loggt den Admin aus und löscht token + localStorage
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*/
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function logoutAdmin() {
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sessionStorage.removeItem("token");
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localStorage.setItem("isAdminLoggedIn", "false");
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// KVz localStorage-Werte löschen für alle Slots
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const keysToRemove = [];
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for (let i = 0; i < localStorage.length; i++) {
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const key = localStorage.key(i);
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if (key && key.startsWith("kvz_slot_")) {
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keysToRemove.push(key);
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}
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}
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keysToRemove.forEach((key) => localStorage.removeItem(key));
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setAdminLoggedIn(false);
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}
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useEffect(() => {
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if (showModal) {
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const token = sessionStorage.getItem("token");
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if (token) {
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try {
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const { exp } = decryptToken(token);
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// ✅ Token gültig
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if (Date.now() < exp) {
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localStorage.setItem("isAdminLoggedIn", "true");
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setAdminLoggedIn(true);
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return;
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}
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} catch (error) {
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console.error("❌ Token-Entschlüsselung fehlgeschlagen:", error);
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}
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}
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// 🔁 Fallback: prüfe ob localStorage Adminstatus hält
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const fromLocalStorage = localStorage.getItem("isAdminLoggedIn");
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if (fromLocalStorage === "true") {
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setAdminLoggedIn(true);
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} else {
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logoutAdmin();
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}
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}
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}, [showModal]);
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return { isAdminLoggedIn, logoutAdmin };
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}
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