laravel-plausible-proxy/src/Http/Controllers/PlausibleEventApiController.php

<?php

namespace Mattitja\LaravelPlausibleProxy\Http\Controllers;

use Illuminate\Http\Client\ConnectionException;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Mattitja\LaravelPlausibleProxy\Http\Requests\PlausibleEventRequest;

class PlausibleEventApiController
{
    public function __invoke(PlausibleEventRequest $request): Response
    {
        $url = rtrim((string) config('plausible-proxy.domain'), '/').'/api/event';

        try {
            $upstream = Http::timeout(5)
                ->withHeaders([
                    'User-Agent' => (string) $request->userAgent(),
                    'X-Forwarded-For' => (string) $request->ip(),
                ])
                ->post($url, $request->all());
        } catch (ConnectionException $e) {
            Log::error('Failed to forward Plausible event: '.$e->getMessage());

            return response('Bad Gateway', 502);
        }

        return response($upstream->body(), $upstream->status())
            ->header('Content-Type', $upstream->header('Content-Type') ?: 'text/plain');
    }
}