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<?php
namespace Kanboard\Controller;
use Kanboard\Core\ObjectStorage\ObjectStorageException;
use Kanboard\Core\Thumbnail;
/**
* Avatar File Controller
*
* @package controller
* @author Frederic Guillot
*/
class AvatarFile extends Base
{
/**
* Show Avatar image and send aggressive caching headers
*/
public function show()
{
$user_id = $this->request->getIntegerParam('user_id');
$size = $this->request->getStringParam('size', 48);
$filename = $this->avatarFile->getFilename($user_id);
$etag = md5($filename.$size);
$this->response->cache(365 * 86400, $etag);
$this->response->contentType('image/jpeg');
if ($this->request->getHeader('If-None-Match') !== '"'.$etag.'"') {
$this->render($filename, $size);
} else {
$this->response->status(304);
}
}
/**
* Render thumbnail from object storage
*
* @access private
* @param string $filename
* @param integer $size
*/
private function render($filename, $size)
{
try {
$blob = $this->objectStorage->get($filename);
Thumbnail::createFromString($blob)
->resize($size, $size)
->toOutput();
} catch (ObjectStorageException $e) {
$this->logger->error($e->getMessage());
}
}
}
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