diff --git a/package.json b/package.json
index c6c48c1..32f38f2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "private": false,
   "name": "bluelib",
-  "version": "0.11.6",
+  "version": "0.12.0",
   "license": "AGPL-3.0-or-later",
   "source": "src/index.js",
   "main": "dist/index.js",
diff --git a/src/contexts/RoyalnetLoginStatus.js b/src/contexts/RoyalnetLoginStatus.js
new file mode 100644
index 0000000..cb08da1
--- /dev/null
+++ b/src/contexts/RoyalnetLoginStatus.js
@@ -0,0 +1,3 @@
+import { createContext } from 'preact';
+
+export default createContext(null);
diff --git a/src/hooks/useLoginDataStorage.js b/src/hooks/useLoginDataStorage.js
new file mode 100644
index 0000000..160838d
--- /dev/null
+++ b/src/hooks/useLoginDataStorage.js
@@ -0,0 +1,55 @@
+import { useEffect, useState } from 'preact/hooks';
+import { royalnetApiRequest } from '../utils/royalnetApiRequest';
+import { route } from 'preact-router';
+
+export default function(defaultInstanceUrl) {
+	const [instanceUrl, setInstanceUrl] = useState(defaultInstanceUrl);
+	const [loginStatus, setLoginStatus] = useState(null);
+
+	useEffect(() => {
+		console.debug("Checking if an instanceUrl is stored in the localStorage...");
+		let instanceUrlStore = window.localStorage.getItem("instanceUrl");
+		if(instanceUrlStore === null) return;
+		console.debug(`Found instanceUrl ${instanceUrlStore}, setting it...`);
+		setInstanceUrl(instanceUrlStore);
+		console.debug("Checking if a valid login token is stored in the localStorage...");
+		let loginStatusStore = JSON.parse(window.localStorage.getItem("loginStatus"));
+		if(loginStatusStore === null) return;
+		console.debug("Found a login token; checking its validity...");
+		royalnetApiRequest(instanceUrlStore,  "GET", "/api/auth/token/v1", {token: loginStatusStore.token}).then((data => {
+			let expiration = new Date(data.expiration);
+			console.debug(`Login token expires: ${expiration}`);
+			let now = new Date();
+			if(expiration >= now ) {
+				console.debug(`Login token is valid, logging in...`);
+				setLoginStatus(data);
+				console.debug(`Successfully logged in as ${data.user.username} @ ${instanceUrlStore} !`);
+			}
+			else {
+				console.debug(`Login token has expired, clearing...`);
+				window.localStorage.setItem("loginStatus", null);
+			}
+		})).catch((err) => {
+			console.error(`Could not check validity of the login token: ${err}`)
+		})
+	}, []);
+
+	function onSuccessfulLogin(newInstanceUrl, newLoginStatus) {
+		console.debug(`Successfully logged in as ${newLoginStatus.user.username} @ ${newInstanceUrl} !`);
+		setInstanceUrl(newInstanceUrl);
+		setLoginStatus(newLoginStatus);
+		console.debug("Saving login data in the localStorage...");
+		window.localStorage.setItem("instanceUrl", newInstanceUrl);
+		window.localStorage.setItem("loginStatus", JSON.stringify(newLoginStatus));
+		route("/");
+	}
+
+	function requestLogout() {
+		console.debug("User requested logout, clearing loginStatus and localStorage...");
+		setLoginStatus(null);
+		window.localStorage.setItem("loginStatus", null);
+		route("/");
+	}
+
+	return [instanceUrl, loginStatus, onSuccessfulLogin, requestLogout]
+}
diff --git a/src/hooks/useRoyalnetData.js b/src/hooks/useRoyalnetData.js
index cb70ba3..a931700 100644
--- a/src/hooks/useRoyalnetData.js
+++ b/src/hooks/useRoyalnetData.js
@@ -1,14 +1,24 @@
 import RoyalnetInstanceUrl from '../contexts/RoyalnetInstanceUrl';
+import LoginStatus from "../contexts/RoyalnetLoginStatus";
 import {useContext, useState} from 'preact/hooks';
-import {royalnetApiRequest} from '../utils/royalnetApiRequest';
 import useDeepCompareEffect from "use-deep-compare-effect";
+import {royalnetApiRequest} from '../utils/royalnetApiRequest';
 
 
 export default function(method, path, body) {
     const instanceUrl = useContext(RoyalnetInstanceUrl);
+    const loginStatus = useContext(LoginStatus);
     const [data, setData] = useState(undefined);
     const [error, setError] = useState(undefined);
 
+    if(body === undefined) {
+        body = {}
+    }
+
+    if(loginStatus !== null) {
+        body["token"] = loginStatus["token"]
+    }
+
     function refresh() {
         setData(undefined);
         setError(undefined);
diff --git a/src/index.js b/src/index.js
index 2e70a15..2af8fb8 100644
--- a/src/index.js
+++ b/src/index.js
@@ -22,8 +22,10 @@ import LatexDefaultDisplay from "./contexts/LatexDefaultDisplay";
 import LatexDefaultInline from "./contexts/LatexDefaultInline";
 import LatexRenderColor from "./contexts/LatexRenderColor";
 import RoyalnetInstanceUrl from "./contexts/RoyalnetInstanceUrl";
+import RoyalnetLoginStatus from "./contexts/RoyalnetLoginStatus";
 
 import useFormValidator from "./hooks/useFormValidator";
+import useLoginDataStorage from "./hooks/useLoginDataStorage";
 import useRoyalnetData from "./hooks/useRoyalnetData";
 import useRoyalnetInstanceValidator from "./hooks/useRoyalnetInstanceValidator";
 
@@ -62,8 +64,10 @@ export {
     LatexDefaultInline,
     LatexRenderColor,
     RoyalnetInstanceUrl,
+    RoyalnetLoginStatus,
 
     useFormValidator,
+    useLoginDataStorage,
     useRoyalnetData,
     useRoyalnetInstanceValidator,