/
UploadHandler.php
195 lines (161 loc) · 5.53 KB
/
UploadHandler.php
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<?php
namespace FoF\Upload\Commands;
use Exception;
use FoF\Upload\Contracts\UploadAdapter;
use FoF\Upload\Events;
use FoF\Upload\File;
use FoF\Upload\Helpers\Settings;
use FoF\Upload\Repositories\FileRepository;
use Flarum\Foundation\Application;
use Flarum\Foundation\ValidationException;
use Flarum\User\AssertPermissionTrait;
use Illuminate\Contracts\Events\Dispatcher;
use Illuminate\Support\Arr;
use Psr\Http\Message\UploadedFileInterface;
use SoftCreatR\MimeDetector\MimeDetector;
use SoftCreatR\MimeDetector\MimeDetectorException;
class UploadHandler
{
use AssertPermissionTrait;
/**
* @var Application
*/
protected $app;
/**
* @var Settings
*/
protected $settings;
/**
* @var Dispatcher
*/
protected $events;
/**
* @var FileRepository
*/
protected $files;
/**
* @var MimeDetector
*/
protected $mimeDetector;
public function __construct(
Application $app,
Dispatcher $events,
Settings $settings,
FileRepository $files,
MimeDetector $mimeDetector
) {
$this->app = $app;
$this->settings = $settings;
$this->events = $events;
$this->files = $files;
$this->mimeDetector = $mimeDetector;
}
/**
* @param Upload $command
*
* @return \Illuminate\Support\Collection
* @throws \Flarum\User\Exception\PermissionDeniedException
*/
public function handle(Upload $command)
{
$this->assertCan(
$command->actor,
'fof-upload.upload'
);
$savedFiles = $command->files->map(function (UploadedFileInterface $file) use ($command) {
try {
$upload = $this->files->moveUploadedFileToTemp($file);
try {
$this->mimeDetector->setFile($upload->getPathname());
} catch (MimeDetectorException $e) {
throw new ValidationException(['upload' => 'Could not validate the file, please try again.']);
}
$uploadFileData = $this->mimeDetector->getFileType();
if ($uploadFileData['mime'] === null) {
try {
$uploadFileData['mime'] = mime_content_type($upload->getPathname());
} catch (Exception $e) {
throw new ValidationException(['upload' => 'Could not validate the file, please try again.']);
}
}
$mimeConfiguration = $this->getMimeConfiguration($uploadFileData['mime']);
$adapter = $this->getAdapter(Arr::get($mimeConfiguration, 'adapter'));
$template = $this->getTemplate(Arr::get($mimeConfiguration, 'template', 'file'));
$this->events->fire(
new Events\Adapter\Identified($command->actor, $upload, $adapter)
);
if (!$adapter) {
throw new ValidationException(['upload' => 'Uploading files of this type is not allowed.']);
}
if (!$adapter->forMime($uploadFileData['mime'])) {
throw new ValidationException(['upload' => "Upload adapter does not support the provided mime type: {$uploadFileData['mime']}."]);
}
$file = $this->files->createFileFromUpload($upload, $command->actor, $uploadFileData['mime']);
$this->events->fire(
new Events\File\WillBeUploaded($command->actor, $file, $upload, $uploadFileData['mime'])
);
$response = $adapter->upload(
$file,
$upload,
$this->files->readUpload($upload, $adapter)
);
$this->files->removeFromTemp($upload);
if (!($response instanceof File)) {
return false;
}
$file = $response;
$file->upload_method = $adapter;
$file->tag = $template;
$file->actor_id = $command->actor->id;
$this->events->fire(
new Events\File\WillBeSaved($command->actor, $file, $upload, $uploadFileData['mime'])
);
if ($file->isDirty() || !$file->exists) {
$file->save();
}
$this->events->fire(
new Events\File\WasSaved($command->actor, $file, $upload, $uploadFileData['mime'])
);
} catch (Exception $e) {
if (isset($upload)) {
$this->files->removeFromTemp($upload);
}
throw $e;
}
return $template->preview($file);
});
return $savedFiles->filter();
}
/**
* @param $adapter
*
* @return UploadAdapter|null
*/
protected function getAdapter($adapter)
{
if (!$adapter) {
return;
}
return app("fof.upload-adapter.$adapter");
}
/**
* @param $template
*
* @return \Flagrow\Upload\Templates\AbstractTemplate|null
*/
protected function getTemplate($template)
{
return $this->settings->getTemplate($template);
}
/**
* @param $mime
*
* @return mixed
*/
protected function getMimeConfiguration($mime)
{
return $this->settings->getMimeTypesConfiguration()->first(function ($_, $regex) use ($mime) {
return preg_match("/$regex/", $mime);
});
}
}