alltube/classes/Controller/FrontController.php
2020-10-20 23:17:22 +02:00

350 lines
11 KiB
PHP

<?php
/**
* FrontController class.
*/
namespace Alltube\Controller;
use Alltube\Library\Exception\PasswordException;
use Alltube\Library\Exception\AlltubeLibraryException;
use Alltube\Library\Exception\WrongPasswordException;
use Alltube\Locale;
use Alltube\Middleware\CspMiddleware;
use Exception;
use Slim\Http\StatusCode;
use Symfony\Component\ErrorHandler\ErrorRenderer\HtmlErrorRenderer;
use Throwable;
use Psr\Container\ContainerInterface;
use Slim\Http\Request;
use Slim\Http\Response;
use Slim\Views\Smarty;
/**
* Main controller.
*/
class FrontController extends BaseController
{
/**
* Smarty view.
*
* @var Smarty
*/
private $view;
/**
* BaseController constructor.
*
* @param ContainerInterface $container Slim dependency container
*/
public function __construct(ContainerInterface $container)
{
parent::__construct($container);
$this->view = $this->container->get('view');
}
/**
* Display index page.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
*
* @return Response HTTP response
*/
public function index(Request $request, Response $response)
{
$uri = $request->getUri()->withUserInfo('');
$this->view->render(
$response,
'index.tpl',
[
'config' => $this->config,
'class' => 'index',
'description' => $this->localeManager->t(
'Easily download videos from Youtube, Dailymotion, Vimeo and other websites.'
),
'domain' => $uri->getScheme() . '://' . $uri->getAuthority(),
'canonical' => $this->getCanonicalUrl($request),
'supportedLocales' => $this->localeManager->getSupportedLocales(),
'locale' => $this->localeManager->getLocale(),
]
);
return $response;
}
/**
* Switch locale.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
* @param string[] $data Query parameters
*
* @return Response
*/
public function locale(Request $request, Response $response, array $data)
{
$this->localeManager->setLocale(new Locale($data['locale']));
return $response->withRedirect($this->container->get('router')->pathFor('index'));
}
/**
* Display a list of extractors.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
*
* @return Response HTTP response
* @throws AlltubeLibraryException
*/
public function extractors(Request $request, Response $response)
{
$this->view->render(
$response,
'extractors.tpl',
[
'config' => $this->config,
'extractors' => $this->downloader->getExtractors(),
'class' => 'extractors',
'title' => $this->localeManager->t('Supported websites'),
'description' => $this->localeManager->t('List of all supported websites from which Alltube Download ' .
'can extract video or audio files'),
'canonical' => $this->getCanonicalUrl($request),
'locale' => $this->localeManager->getLocale(),
]
);
return $response;
}
/**
* Display a password prompt.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
*
* @return Response HTTP response
*/
public function password(Request $request, Response $response)
{
$this->view->render(
$response,
'password.tpl',
[
'config' => $this->config,
'class' => 'password',
'title' => $this->localeManager->t('Password prompt'),
'description' => $this->localeManager->t(
'You need a password in order to download this video with Alltube Download'
),
'canonical' => $this->getCanonicalUrl($request),
'locale' => $this->localeManager->getLocale(),
]
);
return $response->withStatus(StatusCode::HTTP_FORBIDDEN);
}
/**
* Return the video description page.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
*
* @return Response HTTP response
* @throws AlltubeLibraryException
*/
private function getInfoResponse(Request $request, Response $response)
{
try {
$this->video->getJson();
} catch (PasswordException $e) {
return $this->password($request, $response);
} catch (WrongPasswordException $e) {
return $this->displayError($request, $response, $this->localeManager->t('Wrong password'));
}
if (isset($this->video->entries)) {
$template = 'playlist.tpl';
} else {
$template = 'info.tpl';
}
$title = $this->localeManager->t('Video download');
$description = $this->localeManager->t(
'Download video from @extractor',
['@extractor' => $this->video->extractor_key]
);
if (isset($this->video->title)) {
$title = $this->video->title;
$description = $this->localeManager->t(
'Download @title from @extractor',
[
'@title' => $this->video->title,
'@extractor' => $this->video->extractor_key
]
);
}
$this->view->render(
$response,
$template,
[
'video' => $this->video,
'class' => 'info',
'title' => $title,
'description' => $description,
'config' => $this->config,
'canonical' => $this->getCanonicalUrl($request),
'locale' => $this->localeManager->getLocale(),
'defaultFormat' => $this->defaultFormat,
]
);
return $response;
}
/**
* Dislay information about the video.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
*
* @return Response HTTP response
* @throws AlltubeLibraryException
*/
public function info(Request $request, Response $response)
{
$url = $request->getQueryParam('url') ?: $request->getQueryParam('v');
if (isset($url) && !empty($url)) {
$this->video = $this->downloader->getVideo($url, $this->getFormat($request), $this->getPassword($request));
if ($this->config->convert && $request->getQueryParam('audio')) {
// We skip the info page and get directly to the download.
return $response->withRedirect(
$this->container->get('router')->pathFor('download') .
'?' . http_build_query($request->getQueryParams())
);
} else {
return $this->getInfoResponse($request, $response);
}
} else {
return $response->withRedirect($this->container->get('router')->pathFor('index'));
}
}
/**
* Display an user-friendly error.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
* @param string $message Error message
*
* @return Response HTTP response
*/
protected function displayError(Request $request, Response $response, string $message)
{
$this->view->render(
$response,
'error.tpl',
[
'config' => $this->config,
'error' => $message,
'class' => 'video',
'title' => $this->localeManager->t('Error'),
'canonical' => $this->getCanonicalUrl($request),
'locale' => $this->localeManager->getLocale(),
]
);
return $response->withStatus(StatusCode::HTTP_INTERNAL_SERVER_ERROR);
}
/**
* @param Request $request
* @param Response $response
* @return Response
*/
public function notFound(Request $request, Response $response)
{
return $this->displayError($request, $response, $this->localeManager->t('Page not found'))
->withStatus(StatusCode::HTTP_NOT_FOUND);
}
/**
* @param Request $request
* @param Response $response
* @return Response
*/
public function notAllowed(Request $request, Response $response)
{
return $this->displayError($request, $response, $this->localeManager->t('Method not allowed'))
->withStatus(StatusCode::HTTP_METHOD_NOT_ALLOWED);
}
/**
* Display an error page.
*
* @param Request $request PSR-7 request
* @param Response $response PSR-7 response
* @param Throwable $error Error to display
*
* @return Response HTTP response
*/
public function error(Request $request, Response $response, Throwable $error)
{
$this->logger->error($error);
// We apply the CSP manually because middlewares are not called on error pages.
$cspMiddleware = new CspMiddleware($this->container);
/** @var Response $response */
$response = $cspMiddleware->applyHeader($response);
if ($this->config->debug) {
$renderer = new HtmlErrorRenderer(true);
$exception = $renderer->render($error);
$response->getBody()->write($exception->getAsString());
foreach ($exception->getHeaders() as $header => $value) {
$response = $response->withHeader($header, $value);
}
return $response->withStatus($exception->getStatusCode());
} else {
if ($error instanceof Exception) {
$message = $error->getMessage();
} else {
$message = '';
}
return $this->displayError($request, $response, $message);
}
}
/**
* Generate the canonical URL of the current page.
*
* @param Request $request PSR-7 Request
*
* @return string URL
*/
private function getCanonicalUrl(Request $request)
{
$uri = $request->getUri();
$return = 'https://alltubedownload.net/';
$path = $uri->getPath();
if ($path != '/') {
$return .= $path;
}
$query = $uri->getQuery();
if (!empty($query)) {
$return .= '?' . $query;
}
return $return;
}
}