1 files changed, 44 insertions, 0 deletions
diff --git a/code/frontend/src/routes/+layout.server.ts b/code/frontend/src/routes/+layout.server.ts
new file mode 100644
index 0000000..00c8326
--- /dev/null
+++ b/code/frontend/src/routes/+layout.server.ts
@@ -0,0 +1,44 @@
+import {api_base, CookieNames} from "$configuration";
+import {cached_result_async, CacheKeys} from "$utils/cache";
+import {get_md5_hash} from "$utils/crypto-helpers";
+import {error, redirect} from "@sveltejs/kit";
+import type {LayoutServerLoad} from "./$types";
+
+export const load: LayoutServerLoad = async ({route, cookies, locals, fetch}) => {
+    const isBaseRoute = route.id === "/(main)";
+    const isPortalRoute = route.id === "/(main)/(public)/portal";
+    const isPublicRoute = (isBaseRoute || (route.id?.startsWith("/(main)/(public)") ?? false)) ?? true;
+    const sessionCookieValue = cookies.get(CookieNames.session);
+    let sessionIsValid = false;
+    if ((sessionCookieValue?.length > 0 ?? false)) {
+        const sessionHash = get_md5_hash(sessionCookieValue);
+        sessionIsValid = (await cached_result_async<Response>(sessionHash + "_" + CacheKeys.isAuthenticated, 120, () => fetch(api_base("_/is-authenticated"), {
+            headers: {
+                Cookie: CookieNames.session + "=" + sessionCookieValue,
+            },
+        }).catch((e) => {
+            console.error(e);
+            throw error(503, {
+                message: "We are experiencing a service disruption! Have patience while we resolve the issue.",
+            });
+        }))).ok;
+    }
+
+    console.debug("Base Layout loaded", {
+        sessionIsValid,
+        isPublicRoute,
+        isBaseRoute,
+        isPortalRoute,
+        routeId: route.id,
+    });
+
+    if (sessionIsValid && isPublicRoute && !isPortalRoute) {
+        throw redirect(302, "/home");
+    } else if (!isPortalRoute && (isBaseRoute || !sessionIsValid && !isPublicRoute)) {
+        throw redirect(302, "/sign-in");
+    }
+
+    return {
+        locale: locals.locale,
+    };
+};