✨ Add login redirection

* ✨ Add login redirection

* 🚑 Fix cross site scripting using server side regex validation

* ✅ Add unit test

src/tools/server/loginBuilder.ts

@@ -0,0 +1,34 @@
+import {
+  GetServerSideProps,
+  GetServerSidePropsContext,
+  GetServerSidePropsResult,
+  PreviewData,
+} from 'next';
+import { Session } from 'next-auth';
+import { ParsedUrlQuery } from 'querystring';
+
+export const checkForSessionOrAskForLogin = (
+  context: GetServerSidePropsContext<ParsedUrlQuery, PreviewData>,
+  session: Session | null,
+  accessCallback: () => boolean,
+): GetServerSidePropsResult<any> | undefined => {
+  if (!session?.user) {
+    console.log('detected logged out user!');
+    return {
+      props: {},
+      redirect: {
+        destination: `/auth/login?redirectAfterLogin=${context.resolvedUrl}`,
+        permanent: false,
+      },
+    };
+  }
+
+  if (!accessCallback()) {
+    return {
+      props: {},
+      notFound: true
+    }
+  }
+
+  return undefined;
+};