74 lines
2.4 KiB
TypeScript

import { error } from '@sveltejs/kit';
import type { RequestHandler } from './$types';
import { opnsenseAuth, opnsenseUrl } from '$lib/server/opnsense';
import type { OpnsenseWgPeers } from '$lib/opnsense/wg';
import { findDevices } from '$lib/server/devices';
import type { ConnectionDetails } from '$lib/connections';
import { opnsenseSanitezedUsername } from '$lib/opnsense';
export const GET: RequestHandler = async (event) => {
if (!event.locals.user) {
return error(401, 'Unauthorized');
}
console.debug('/api/connections');
const peers = await fetchOpnsensePeers(event.locals.user.username);
console.debug('/api/connections: fetched opnsense peers', peers.rowCount);
const devices = await findDevices(event.locals.user.id);
console.debug('/api/connections: fetched db devices');
if (!peers) {
return error(500, 'Error getting info from OPNsense API');
}
// TODO: this is all garbage performance
// filter devices with no recent handshakes
peers.rows = peers.rows.filter((peer) => peer['latest-handshake']);
// start from devices, to treat db as the source of truth
const connections: ConnectionDetails[] = [];
for (const device of devices) {
const peerData = peers.rows.find((peer) => peer['public-key'] === device.publicKey);
if (!peerData) continue;
connections.push({
deviceId: device.id,
deviceName: device.name,
devicePublicKey: device.publicKey,
deviceIps: peerData['allowed-ips'].split(','),
endpoint: peerData['endpoint'],
// swap rx and tx, since the opnsense values are from the server perspective
transferRx: peerData['transfer-tx'],
transferTx: peerData['transfer-rx'],
latestHandshake: peerData['latest-handshake'] * 1000,
});
}
return new Response(JSON.stringify(connections), {
headers: {
'Content-Type': 'application/json',
'Cache-Control': 'max-age=5',
},
});
};
async function fetchOpnsensePeers(username: string) {
const res = await fetch(`${opnsenseUrl}/api/wireguard/service/show`, {
method: 'POST',
headers: {
Authorization: opnsenseAuth,
Accept: 'application/json',
'Content-Type': 'application/json',
},
body: JSON.stringify({
current: 1,
// "rowCount": 7,
sort: {},
// TODO: use a more unique search phrase
// unfortunately 64 character limit,
// but it should be fine if users can't change their own username
searchPhrase: `vpgen-${opnsenseSanitezedUsername(username)}`,
type: ['peer'],
}),
});
return (await res.json()) as OpnsenseWgPeers;
}