Files
einundzwanzig-app/app/Http/Controllers/DownloadMeetupCalendar.php
T
Claude 90835f8b1f security: critical fixes (test route, edit authz, nostr signature, calendar IDOR)
- Remove unauthenticated /test route that dispatched FetchNostrProfileJob
  for a hardcoded user (routes/web.php).
- Enforce created_by ownership check in meetup and lecturer Livewire edit
  components; mirror the existing services/edit pattern.
- Replace blind-trust nostrLoggedIn handler with NIP-42-style signed event
  verification: server-issued challenge stored in session, client signs a
  kind:22242 event, server verifies signature via swentel/nostr-php and
  derives npub. Challenge is single-use with 5-minute TTL.
- Validate the ?my[] parameter on the calendar download endpoint as an
  array of integers and intersect with the authenticated user's meetups.
2026-05-03 12:51:10 +00:00

79 lines
2.6 KiB
PHP

<?php
namespace App\Http\Controllers;
use App\Models\Meetup;
use App\Models\MeetupEvent;
use Illuminate\Http\Request;
use Illuminate\Http\Response;
use Spatie\IcalendarGenerator\Components\Calendar;
use Spatie\IcalendarGenerator\Components\Event;
class DownloadMeetupCalendar extends Controller
{
/**
* Handle the incoming request.
*/
public function __invoke(Request $request): Response
{
if ($request->has('meetup')) {
$validated = $request->validate([
'meetup' => ['required', 'integer'],
]);
$meetup = Meetup::query()
->with([
'meetupEvents.meetup',
])
->findOrFail($validated['meetup']);
$events = $meetup->meetupEvents()->where('start', '>=', now())->get();
$image = $meetup->getFirstMediaUrl('logo');
} elseif ($request->has('my')) {
$validated = $request->validate([
'my' => ['required', 'array'],
'my.*' => ['integer'],
]);
$ids = $validated['my'];
if (auth()->check()) {
$ownedIds = auth()->user()->meetups->pluck('id')->all();
$ids = array_values(array_intersect($ids, $ownedIds));
}
$events = MeetupEvent::query()
->with([
'meetup',
])
->where('start', '>=', now())
->whereHas('meetup', fn ($query) => $query->whereIn('meetups.id', $ids))
->get();
$image = asset('img/einundzwanzig-horizontal.png');
} else {
$events = MeetupEvent::query()
->with([
'meetup',
])
->where('start', '>=', now())
->get();
$image = asset('img/einundzwanzig-horizontal.png');
}
$entries = [];
foreach ($events as $event) {
$entries[] = Event::create($event->meetup->name)
->uniqueIdentifier(str($event->meetup->name)->slug().$event->id)
->address($event->location ?? __('no location set'))
->description(str_replace(["\r", "\n"], '', $event->description).' Link: '.$event->link)
->image($event->meetup->getFirstMedia('logo') ? $event->meetup->getFirstMediaUrl('logo') : $image)
->startsAt($event->start);
}
$calendar = Calendar::create()
->refreshInterval(5)
->event($entries);
return response($calendar->get())
->header('Content-Type', 'text/calendar; charset=utf-8');
}
}