Redirect

frontend/src/includes/Auth.svelte

@@ -19,8 +19,8 @@
     }
 
     export function redirectLogin() {
-        // TODO: State
-        window.location.href = `https://discordapp.com/oauth2/authorize?response_type=code&redirect_uri=${OAUTH.redirectUri}&scope=identify%20guilds&client_id=${OAUTH.clientId}&state=`
+        let state = btoa(new URL(window.location.href).pathname);
+        window.location.href = `https://discordapp.com/oauth2/authorize?response_type=code&redirect_uri=${OAUTH.redirectUri}&scope=identify%20guilds&client_id=${OAUTH.clientId}&state=${state}`;
     }
 
     export function clearLocalStorage() {

frontend/src/views/LoginCallback.svelte

@@ -3,6 +3,10 @@
     import {redirectLogin, setToken} from '../includes/Auth.svelte'
     import {API_URL} from "../js/constants";
     import {errorPage} from '../js/util'
+    import {navigateTo} from "svelte-router-spa";
+
+    export let currentRoute;
+    let state = currentRoute.queryParams.state;
 
     async function process() {
         const code = new URLSearchParams(window.location.search).get('code')
@@ -18,15 +22,30 @@
             return
         }
 
-        setToken(res.data.token)
-        window.location.href = '/'
+        setToken(res.data.token);
+
+        let path = '/';
+
+        try {
+            if (state !== undefined && state.length > 0) {
+                path = atob(state);
+
+                if (path === '/callback') {
+                    path = '/';
+                }
+            }
+        } catch (e) {
+            console.log(`Error parsing state: ${e}`)
+        } finally {
+            navigateTo(path);
+        }
     }
 
     process()
 </script>
 
 <style>
-  body {
-      background-color: #121212;
-  }
+    body {
+        background-color: #121212;
+    }
 </style>