fixed redirect after login

src/routes/login/+page.server.ts

@@ -1,5 +1,5 @@
 import type { Actions } from "@sveltejs/kit";
-import type { PageServerLoad } from "./$types";
+import type {  PageServerLoad } from "./$types";
 import { fail, redirect } from "@sveltejs/kit";
 
 import Logs from "$lib/server/log"
@@ -7,22 +7,31 @@ import Logs from "$lib/server/log"
 import { authorize_password } from "$lib/server/auth";
 import SessionStore from "$lib/server/session_store";
 
+function _get_redirect(url: URL) {
+		let redirect_url = url.searchParams.get("redirect");
+		url.searchParams.delete("redirect")
+		
+		if (!redirect_url || !redirect_url.startsWith("/")) {
+			redirect_url = "/"
+		}
+
+		return redirect_url + "?" + url.searchParams.toString()
+}
+
 export const load: PageServerLoad = ({ locals, url }) => {
-	let redirect_url = url.searchParams.get("redirect") ?? "/";
 	
 	if (locals.user != null) {
-		redirect(302, redirect_url);
+		redirect(302, _get_redirect(url));
 	}
 }
 
 
 export const actions = {
 	login: async ({ locals, request, cookies, url }) => {
-
-		let redirect_url = url.searchParams.get("redirect") ?? "/";
+		url.searchParams.delete("/login")
 		
 		if (locals.user != null) {
-			redirect(302, redirect_url);
+			redirect(302, _get_redirect(url));
 		}
 
 		
@@ -55,7 +64,7 @@ export const actions = {
 			path: '/'
 		})
 		
-		redirect(302, redirect_url);
+		redirect(302, _get_redirect(url));
 	},
 	logout: async ({ locals, cookies }) => {
 

src/routes/login/+page.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
     import type { PageProps } from "./$types";
 	import { enhance } from "$app/forms";
+	import { page } from "$app/state";
 
 	let { form }: PageProps = $props();
 
@@ -8,7 +9,7 @@
 
 <div>
 	<h1>Login</h1>
-	<form id="login" method="POST" action="?/login" use:enhance={({formElement}) => { formElement.reset() }}>
+	<form id="login" method="POST" action={`?/login&${page.url.searchParams.toString()}`} use:enhance={({formElement}) => { formElement.reset() }}>
 		<table>
 			<tbody>
 				<tr>