initial opnsense connections page

src/routes/+layout.svelte

@@ -5,16 +5,20 @@
 
 	const { data, children } = $props();
 	const { user } = data;
+
+	function getNavClass(path: string) {
+		return cn("hover:text-foreground/80 transition-colors",
+			$page.url.pathname === path ? "text-foreground" : "text-foreground/60");
+	}
 </script>
 
 <header class="p-4 sm:flex">
 	<span class=" mr-6 font-bold sm:inline-block">My App</span>
 	<nav class="flex items-center gap-6 text-sm">
-		<a href="/" class={cn("hover:text-foreground/80 transition-colors",
-				$page.url.pathname === "/" ? "text-foreground" : "text-foreground/60")}>Home</a>
+		<a href="/" class={getNavClass("/")}>Home</a>
 		{#if user}
-			<a href="/user" class={cn("hover:text-foreground/80 transition-colors",
-				$page.url.pathname === "/user" ? "text-foreground" : "text-foreground/60")}>Profile</a>
+			<a href="/user" class={getNavClass("/user")}>Profile</a>
+			<a href="/connections" class={getNavClass("/connections")}>Connections</a>
 		{/if}
 	</nav>
 </header>

src/routes/api/connections/+server.ts

@@ -0,0 +1,32 @@
+import { error } from '@sveltejs/kit';
+import type { RequestHandler } from './$types';
+import { env } from '$env/dynamic/private';
+import type { OpnsenseWgPeers } from '$lib/opnsense/wg';
+
+export const GET: RequestHandler = async ({ url }) => {
+	const apiUrl = `${env.OPNSENSE_API_URL}/api/wireguard/service/show`;
+	const options: RequestInit = {
+		method: 'POST',
+		headers: {
+			Authorization: `Basic ${Buffer.from(`${env.OPNSENSE_API_KEY}:${env.OPNSENSE_API_SECRET}`).toString('base64')}`,
+			Accept: 'application/json',
+			'Content-Type': 'application/json',
+		},
+		body: JSON.stringify({
+			"current": 1,
+			// "rowCount": 7,
+			"sort": {},
+			"searchPhrase": "",
+			"type": ["peer"],
+		}),
+	};
+	console.log("Fetching peers from OPNsense WireGuard API: ", apiUrl, options)
+
+	const res = await fetch(apiUrl, options);
+	const peers = await res.json() as OpnsenseWgPeers;
+
+	if (!peers) {
+		error(500, "Error getting info from OPNsense API");
+	}
+	return new Response(JSON.stringify(peers));
+};

src/routes/connections/+page.svelte

@@ -0,0 +1,66 @@
+<script lang="ts">
+	import type { PageData } from './$types';
+	import { invalidate } from '$app/navigation';
+	import { onMount } from 'svelte';
+
+	const { data }: { data: PageData } = $props();
+
+	onMount(() => {
+		// refresh every 5 seconds
+		setInterval(() => {
+			console.log('Refreshing connections');
+			invalidate('/api/connections');
+		}, 5000);
+	});
+
+	function getSize(size: number) {
+		let sizes = ['Bytes', 'KiB', 'MiB', 'GiB',
+			'TiB', 'PiB', 'EiB', 'ZiB', 'YiB'];
+
+		for (let i = 1; i < sizes.length; i++) {
+			if (size < Math.pow(1024, i))
+				return (Math.round((size / Math.pow(
+					1024, i - 1)) * 100) / 100) + ' ' + sizes[i - 1];
+		}
+		return size;
+	}
+</script>
+
+<svelte:head>
+	<title>Connections</title>
+</svelte:head>
+
+<table>
+	<thead>
+	<tr>
+		<th>Public Key</th>
+		<th>Endpoint</th>
+		<th>Allowed IPs</th>
+		<th>Latest Handshake</th>
+		<th>RX</th>
+		<th>TX</th>
+		<th>Persistent Keepalive</th>
+		<th>Name</th>
+		<th>Interface Name</th>
+	</tr>
+	</thead>
+	<tbody>
+	{#each data.peers.rows as peer}
+		<tr>
+			<td>{peer['public-key'].substring(0, 10)}</td>
+			<td>{peer.endpoint}</td>
+			<td>{peer['allowed-ips']}</td>
+			{#if peer['latest-handshake']}
+				<td>{new Date(peer['latest-handshake'] * 1000)}</td>
+			{:else}
+				<td>Never</td>
+			{/if}
+			<td>{getSize(peer['transfer-rx'])}</td>
+			<td>{getSize(peer['transfer-tx'])}</td>
+			<td>{peer['persistent-keepalive']}</td>
+			<td>{peer.name}</td>
+			<td>{peer.ifname}</td>
+		</tr>
+	{/each}
+	</tbody>
+</table>

src/routes/connections/+page.ts

@@ -0,0 +1,9 @@
+import type { PageLoad } from './$types';
+import type { OpnsenseWgPeers } from '$lib/opnsense/wg';
+
+export const load: PageLoad = async ({ fetch, params }) => {
+	const res = await fetch('/api/connections');
+	const peers = await res.json() as OpnsenseWgPeers;
+
+	return { peers };
+};