diff --git a/manifest.json b/manifest.json
index 795647e..ee12cf4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -28,7 +28,8 @@
                 "*://*.furbooru.org/*"
             ],
             "js": [
-                "src/content/deps/amd.ts"
+                "src/content/deps/amd.ts",
+                "src/content/user-details.ts"
             ]
         },
         {
diff --git a/src/content/user-details.ts b/src/content/user-details.ts
new file mode 100644
index 0000000..6d1cfa1
--- /dev/null
+++ b/src/content/user-details.ts
@@ -0,0 +1,14 @@
+import { UserDetails } from "$lib/extension/preferences/UserDetails";
+
+(async () => {
+  const userDetails = new UserDetails();
+  const userDataStore = document.querySelector<HTMLElement>('.js-datastore');
+
+  if (!userDataStore) {
+    return;
+  }
+
+  await userDetails.isAuthorized.set(userDataStore.dataset.userIsSignedIn === 'true');
+})();
+
+
diff --git a/src/lib/extension/preferences/UserDetails.ts b/src/lib/extension/preferences/UserDetails.ts
new file mode 100644
index 0000000..f6c760f
--- /dev/null
+++ b/src/lib/extension/preferences/UserDetails.ts
@@ -0,0 +1,16 @@
+import CacheablePreferences, { PreferenceField, type WithFields } from "$lib/extension/base/CacheablePreferences";
+
+export interface UserDetailsFields {
+  isAuthorized: boolean;
+}
+
+export class UserDetails extends CacheablePreferences<UserDetailsFields> implements WithFields<UserDetailsFields> {
+  constructor() {
+    super('userDetails');
+  }
+
+  isAuthorized = new PreferenceField(this, {
+    field: 'isAuthorized',
+    defaultValue: false,
+  });
+}
diff --git a/src/stores/preferences/user.ts b/src/stores/preferences/user.ts
new file mode 100644
index 0000000..2c968e6
--- /dev/null
+++ b/src/stores/preferences/user.ts
@@ -0,0 +1,18 @@
+import { UserDetails, type UserDetailsFields } from "$lib/extension/preferences/UserDetails";
+import { readable } from "svelte/store";
+
+const userDetails = new UserDetails();
+
+export const user = readable<UserDetailsFields | null>(null, set => {
+  userDetails.subscribe(settings => {
+    set({
+      isAuthorized: Boolean(settings.isAuthorized)
+    });
+  });
+
+  userDetails.isAuthorized.get().then(isAuthorized => {
+    set({
+      isAuthorized
+    });
+  });
+});