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<?php
declare(strict_types=1);
/**
* @copyright 2020 Ad Aures
* @license https://www.gnu.org/licenses/agpl-3.0.en.html AGPL3
* @link https://castopod.org/
*/
namespace App\Controllers;
use App\Entities\Episode;
use App\Entities\Podcast;
use App\Models\EpisodeModel;
use App\Models\PodcastModel;
use CodeIgniter\Controller;
use CodeIgniter\Exceptions\PageNotFoundException;
use CodeIgniter\HTTP\RedirectResponse;
use CodeIgniter\HTTP\RequestInterface;
use CodeIgniter\HTTP\ResponseInterface;
use Config\Services;
use Modules\Analytics\Config\Analytics;
use Modules\PremiumPodcasts\Models\SubscriptionModel;
use Psr\Log\LoggerInterface;
class EpisodeAudioController extends Controller
{
/**
* An array of helpers to be loaded automatically upon class instantiation. These helpers will be available to all
* other controllers that extend Analytics.
*
* @var string[]
*/
protected $helpers = ['analytics'];
protected Podcast $podcast;
protected Episode $episode;
protected Analytics $analyticsConfig;
/**
* Constructor.
*/
public function initController(
RequestInterface $request,
ResponseInterface $response,
LoggerInterface $logger
): void {
// Do Not Edit This Line
parent::initController($request, $response, $logger);
set_user_session_deny_list_ip();
set_user_session_location();
set_user_session_player();
$this->analyticsConfig = config('Analytics');
}
public function _remap(string $method, string ...$params): mixed
{
if (count($params) < 2) {
throw PageNotFoundException::forPageNotFound();
}
if (
($podcast = (new PodcastModel())->getPodcastByHandle($params[0])) === null
) {
throw PageNotFoundException::forPageNotFound();
}
$this->podcast = $podcast;
if (
($episode = (new EpisodeModel())->getEpisodeBySlug($params[0], $params[1])) === null
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throw PageNotFoundException::forPageNotFound();
}
$this->episode = $episode;
unset($params[1]);
unset($params[0]);
return $this->{$method}(...$params);
}
public function index(): RedirectResponse | ResponseInterface
{
// check if episode is premium?
$subscription = null;
// check if podcast is already unlocked before any token validation
if ($this->episode->is_premium && ($subscription = service('premium_podcasts')->subscription(
$this->episode->podcast->handle
)) === null) {
// look for token as GET parameter
if (($token = $this->request->getGet('token')) === null) {
return $this->response->setStatusCode(401)
->setJSON([
'errors' => [
'status' => 401,
'title' => 'Unauthorized',
'detail' => 'Episode is premium, you must provide a token to unlock it.',
],
]);
}
// check if there's a valid subscription for the provided token
if (($subscription = (new SubscriptionModel())->validateSubscription(
$this->episode->podcast->handle,
$token
)) === null) {
return $this->response->setStatusCode(401, 'Invalid token!')
->setJSON([
'errors' => [
'status' => 401,
'title' => 'Unauthorized',
'detail' => 'Invalid token!',
],
]);
}
}
$session = Services::session();
$session->start();
$serviceName = '';
if ($this->request->getGet('_from')) {
$serviceName = $this->request->getGet('_from');
} elseif ($session->get('embed_domain') !== null) {
$serviceName = $session->get('embed_domain');
} elseif ($session->get('referer') !== null && $session->get('referer') !== '- Direct -') {
$serviceName = parse_url((string) $session->get('referer'), PHP_URL_HOST);
}
$audioFileSize = $this->episode->audio->file_size;
$audioFileHeaderSize = $this->episode->audio->header_size;
$audioDuration = $this->episode->audio->duration;
// bytes_threshold: number of bytes that must be downloaded for an episode to be counted in download analytics
// - if audio is less than or equal to 60s, then take the audio file_size
// - if audio is more than 60s, then take the audio file_header_size + 60s
$bytesThreshold = $audioDuration <= 60
? $audioFileSize
: $audioFileHeaderSize +
(int) floor((($audioFileSize - $audioFileHeaderSize) / $audioDuration) * 60);
podcast_hit(
$this->episode->podcast_id,
$this->episode->id,
$bytesThreshold,
$audioFileSize,
$audioDuration,
$this->episode->published_at->getTimestamp(),
$serviceName,
$subscription !== null ? $subscription->id : null
);
return redirect()->to($this->analyticsConfig->getAudioUrl($this->episode, $this->request->getGet()));
}
}