diff --git a/src/app/overview/page.tsx b/src/app/overview/page.tsx
index 02a2b45..0bfa0d2 100644
--- a/src/app/overview/page.tsx
+++ b/src/app/overview/page.tsx
@@ -103,28 +103,6 @@ export default function OverviewPage() {
     fetchNodes();
     const interval = setInterval(fetchNodes, 3000);
 
-    const test = async () => {
-      const sessionToken = await getSession();
-      console.log(sessionToken);
-      // console.log(
-      //   (
-      //     await axios.get("https://api.github.com/user/repos", {
-      //       headers: { Authorization: `Bearer ${sessionToken}` },
-      //     })
-      //   ).data
-      // );
-
-      // console.log(
-      //   (
-      //     await axios.get("https://api.github.com/orgs/orus-dev/repos", {
-      //       headers: { Authorization: `Bearer ${sessionToken}` },
-      //     })
-      //   ).data
-      // );
-    };
-
-    test();
-
     return () => clearInterval(interval);
   }, []);
 
diff --git a/src/core/auth/session.ts b/src/core/auth/session.ts
index f6aaaca..eb0eda5 100644
--- a/src/core/auth/session.ts
+++ b/src/core/auth/session.ts
@@ -1,8 +1,14 @@
 "use server";
+import { read, write } from "@/app/api/file";
+import axios from "axios";
 import { cookies } from "next/headers";
 import { redirect } from "next/navigation";
 
-export async function getSession() {
+type Users = Record<string, { roles: string[] }>;
+
+export async function getSession(): Promise<
+  undefined | { user: { id: number }; accessToken: string }
+> {
   const c = await cookies();
   const accessToken = c.get("github_access")?.value;
 
@@ -10,5 +16,36 @@ export async function getSession() {
     redirect("/");
   }
 
-  return accessToken;
+  // Test the token
+  try {
+    const user = (
+      await axios.get("https://api.github.com/user", {
+        headers: { Authorization: `Bearer ${accessToken}` },
+      })
+    ).data;
+
+    const users = Object.keys(
+      await read<Users>(() => ({}), "data", "users.json")
+    );
+
+    if (!users.includes(String(user.id))) {
+      if (users.length === 0) {
+        await write(
+          { [String(user.id)]: { roles: ["admin"] } } as Users, // First user is always an admin
+          "data",
+          "users.json"
+        );
+      } else {
+        throw new Error("Invalid user");
+      }
+    }
+
+    return { user, accessToken };
+  } catch {
+    redirect("/");
+  }
+}
+
+export async function verifySession(): Promise<boolean> {
+  return !(await getSession())?.accessToken;
 }
diff --git a/src/core/node.ts b/src/core/node.ts
index 842fa79..a9cda4b 100644
--- a/src/core/node.ts
+++ b/src/core/node.ts
@@ -3,35 +3,42 @@
 import { read, write } from "@/app/api/file";
 import { Docker, Node, NodeLiveData } from "@/lib/types";
 import axios from "axios";
+import { verifySession } from "./auth/session";
+
+export async function getNodes(): Promise<Node[] | undefined> {
+  if (await verifySession()) return;
 
-export async function getNodes(): Promise<Node[]> {
   return await read(() => [], "data", "nodes.json");
 }
 
 export async function setNodes(nodes: Node[]) {
+  if (await verifySession()) return;
+
   await write(nodes, "data", "nodes.json");
 }
 
-export async function getNode(node_id: string): Promise<Node | undefined> {
-  const nodes = await read<Node[]>(() => [], "data", "nodes.json");
-  return nodes.find((v) => v.node_id === node_id);
+export async function getLiveNodes(): Promise<
+  (NodeLiveData & Node)[] | undefined
+> {
+  if (await verifySession()) return;
+
+  const nodes: Node[] = await read(() => [], "data", "nodes.json");
+
+  return await Promise.all(
+    nodes.map(async (node) => ({
+      ...node,
+      liveData: await (
+        await axios.get(`http://${node.ip}:3000/api/status`, {
+          headers: { Authorization: `ApiKey ${node.key}` },
+        })
+      ).data.liveData,
+    }))
+  );
 }
 
-export async function getLiveNode(node: Node): Promise<NodeLiveData & Node> {
-  const data = await (
-    await axios.get(`http://${node.ip}:3000/api/status`, {
-      headers: { Authorization: `ApiKey ${node.key}` },
-    })
-  ).data;
-  return { ...node, liveData: data.liveData };
-}
+export async function getDockerNode(node: Node): Promise<Docker | undefined> {
+  if (await verifySession()) return;
 
-export async function getLiveNodes(): Promise<(NodeLiveData & Node)[]> {
-  const nodes = await read(() => [], "data", "nodes.json");
-  return await Promise.all(nodes.map(getLiveNode));
-}
-
-export async function getDockerNode(node: Node): Promise<Docker> {
   const data = await (
     await axios.get(`http://${node.ip}:3000/api/get-docker`, {
       headers: { Authorization: `ApiKey ${node.key}` },
@@ -41,6 +48,8 @@ export async function getDockerNode(node: Node): Promise<Docker> {
 }
 
 export async function authNode(ip: string, key: string) {
+  if (await verifySession()) return;
+
   const data = await (
     await axios.get(`http://${ip}:3000/api/auth`, {
       headers: { Authorization: `ApiKey ${key}` },