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app/login/actions.ts

@@ -0,0 +1,27 @@
+'use server';
+
+import { verifyCredentials } from '@/lib/auth';
+import { createSession, deleteSession } from '@/lib/session';
+import { redirect } from 'next/navigation';
+
+export async function login(prevState: any, formData: FormData) {
+  const username = formData.get('username') as string;
+  const password = formData.get('password') as string;
+
+  if (!username || !password) {
+    return { error: 'Bitte Benutzername und Passwort eingeben' };
+  }
+
+  const isValid = verifyCredentials(username, password);
+  if (!isValid) {
+    return { error: 'Ungültige Anmeldedaten' };
+  }
+
+  await createSession(username);
+  redirect('/');
+}
+
+export async function logout() {
+  await deleteSession();
+  redirect('/login');
+}