add hook for dark visitor analytics

src/hooks.server.ts

@@ -1,7 +1,29 @@
 import { getModel } from '$lib/utils/search';
 import { building } from '$app/environment';
-import type { Handle } from '@sveltejs/kit';
+import type { Handle, RequestEvent } from '@sveltejs/kit';
 import { v4 as uuidv4 } from 'uuid';
+import { DARK_VISITORS_TOKEN } from '$env/static/private';
+
+async function sendAnalytics(event: RequestEvent) {
+	try {
+		const headers = Object.fromEntries(event.request.headers.entries());
+
+		void fetch('https://api.darkvisitors.com/visits', {
+			method: 'POST',
+			headers: {
+				Authorization: `Bearer ${DARK_VISITORS_TOKEN}`,
+				'Content-Type': 'application/json'
+			},
+			body: JSON.stringify({
+				request_path: event.url.pathname,
+				request_method: event.request.method,
+				request_headers: headers
+			})
+		});
+	} catch (e) {
+		// Silent fail
+	}
+}
 
 if (!building) {
 	getModel().catch((error) => {
@@ -18,10 +40,17 @@ export const handle: Handle = async ({ event, resolve }) => {
 	// If no session exists, create a new one
 	if (!sessionId) {
 		sessionId = uuidv4();
-		event.cookies.set('sessionId', sessionId, { path: '/', httpOnly: true, sameSite: 'strict', maxAge: 60 * 60 * 24 * 7 }); // 1 week
+		event.cookies.set('sessionId', sessionId, {
+			path: '/',
+			httpOnly: true,
+			sameSite: 'strict',
+			maxAge: 60 * 60 * 24 * 7
+		}); // 1 week
 	}
 	// Add sessionId to locals for easy access in routes
 	event.locals = { ...event.locals, sessionId };
 
+	sendAnalytics(event);
+
 	return resolve(event);
 };