From ba85890681851529852179ae46a5134a8ba0b3a2 Mon Sep 17 00:00:00 2001
From: core <core@coredoes.dev>
Date: Sat, 2 Dec 2023 11:50:30 -0500
Subject: [PATCH] store the token on the client

---
 starkingdoms-client/src/jwt.ts              | 31 +++++++++++++++++++++
 starkingdoms-client/src/routes/menu/main.ts |  9 ++++++
 2 files changed, 40 insertions(+)
 create mode 100644 starkingdoms-client/src/jwt.ts

diff --git a/starkingdoms-client/src/jwt.ts b/starkingdoms-client/src/jwt.ts
new file mode 100644
index 0000000000000000000000000000000000000000..785926845b887317808835a11b1d666d23de84bd
--- /dev/null
+++ b/starkingdoms-client/src/jwt.ts
@@ -0,0 +1,31 @@
+// StarKingdoms.IO, a browser game about drifting through space
+//     Copyright (C) 2023 ghostly_zsh, TerraMaster85, core
+//
+//     This program is free software: you can redistribute it and/or modify
+//     it under the terms of the GNU Affero General Public License as published by
+//     the Free Software Foundation, either version 3 of the License, or
+//     (at your option) any later version.
+//
+//     This program is distributed in the hope that it will be useful,
+//     but WITHOUT ANY WARRANTY; without even the implied warranty of
+//     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//     GNU Affero General Public License for more details.
+//
+//     You should have received a copy of the GNU Affero General Public License
+//     along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+export function parseJwt(token: string) {
+  let base64Url = token.split(".")[1];
+  let base64 = base64Url.replace(/-/g, "+").replace(/_/g, "/");
+  let jsonPayload = decodeURIComponent(
+    window
+      .atob(base64)
+      .split("")
+      .map(function (c) {
+        return "%" + ("00" + c.charCodeAt(0).toString(16)).slice(-2);
+      })
+      .join(""),
+  );
+
+  return JSON.parse(jsonPayload);
+}
diff --git a/starkingdoms-client/src/routes/menu/main.ts b/starkingdoms-client/src/routes/menu/main.ts
index 6971e3da78ed6138b63d697bceb815366025847d..729261e0a639380da65f4b10acf53f922b99f095 100644
--- a/starkingdoms-client/src/routes/menu/main.ts
+++ b/starkingdoms-client/src/routes/menu/main.ts
@@ -2,6 +2,7 @@ import { ConfigServer, loadConfig } from "../../config.ts";
 import createDebug from "debug";
 import "../../css/themes/catppuccin-mocha.scss";
 import "../../css/style.scss";
+import { parseJwt } from "../../jwt.ts";
 
 // HMR wrapper, to prevent doing reinit twice
 let initialized: boolean | undefined;
@@ -17,6 +18,14 @@ async function init() {
 
   initialized = true;
 
+  const account_info = document.getElementById("account-info")!;
+
+  if (window.localStorage.getItem("stk-token") != null) {
+    let token = window.localStorage.getItem("stk-token")!;
+    let token_parsed: any = parseJwt(token);
+    account_info.innerText = `Logged in as ${token_parsed.username}! Saves will be stored on the server.`;
+  }
+
   const is_development = window.localStorage.getItem("stk-mode") === "debug";
 
   document.getElementById("footer-left")!.innerHTML =