Kuratoren-Accounts und Anpassungen im Admin- und Kuratoren-Dashboard

lib/auth.ts

@@ -1,4 +1,11 @@
 import { NextRequest, NextResponse } from 'next/server';
+import { PrismaClient, Curator } from '@prisma/client';
+
+const prisma = new PrismaClient();
+
+export type StaffContext =
+    | { role: 'admin' }
+    | { role: 'curator'; curator: Curator };
 
 /**
  * Authentication middleware for admin API routes
@@ -17,6 +24,57 @@ export async function requireAdminAuth(request: NextRequest): Promise<NextRespon
     return null; // Auth successful
 }
 
+/**
+ * Resolve current staff (admin or curator) from headers.
+ *
+ * Admin:
+ *  - x-admin-auth: 'authenticated'
+ *
+ * Curator:
+ *  - x-curator-auth: 'authenticated'
+ *  - x-curator-username: <username>
+ */
+export async function getStaffContext(request: NextRequest): Promise<StaffContext | null> {
+    const adminHeader = request.headers.get('x-admin-auth');
+    if (adminHeader === 'authenticated') {
+        return { role: 'admin' };
+    }
+
+    const curatorAuth = request.headers.get('x-curator-auth');
+    const curatorUsername = request.headers.get('x-curator-username');
+
+    if (curatorAuth === 'authenticated' && curatorUsername) {
+        const curator = await prisma.curator.findUnique({
+            where: { username: curatorUsername },
+        });
+
+        if (curator) {
+            return { role: 'curator', curator };
+        }
+    }
+
+    return null;
+}
+
+/**
+ * Require that the current request is authenticated as staff (admin or curator).
+ * Returns either an error response or a resolved context.
+ */
+export async function requireStaffAuth(request: NextRequest): Promise<{ error?: NextResponse; context?: StaffContext }> {
+    const context = await getStaffContext(request);
+
+    if (!context) {
+        return {
+            error: NextResponse.json(
+                { error: 'Unauthorized - Staff authentication required' },
+                { status: 401 }
+            ),
+        };
+    }
+
+    return { context };
+}
+
 /**
  * Helper to verify admin password
  */