Update Link->Leafcutter integration

apps/leafcutter/middleware.ts

@@ -0,0 +1,39 @@
+import { withAuth } from "next-auth/middleware";
+
+export default withAuth(
+  () => { },
+  {
+    pages: {
+      signIn: `/login`,
+    },
+    callbacks: {
+      authorized: ({ token, req }) => {
+        const {
+          url,
+          headers,
+        } = req;
+
+        const embedded = process.env.LINK_EMBEDDED === "true";
+        if (embedded) {
+          return true;
+        }
+
+        // check login page
+        const parsedURL = new URL(url);
+        if (parsedURL.pathname.startsWith('/login')) {
+          return true;
+        }
+
+        // check session auth
+        const authorizedDomains = ["redaranj.com", "digiresilience.org"];
+        const userDomain = token?.email?.toLowerCase().split("@").pop() ?? "unauthorized.net";
+
+        if (authorizedDomains.includes(userDomain)) {
+          return true;
+        }
+
+        return false;
+      },
+    }
+  }
+);