/**
* Action - image
* display images in the predetermined size or in the natural size
*
* Access to the action is possible in the following paths:
* - /utility/image
*
* @return void
*/
public function imageAction()
{
$request = $this->getRequest();
$response = $this->getResponse();
$username = $request->getQuery('username');
$id = (int) $request->getQuery('id');
$w = (int) $request->getQuery('w');
$h = (int) $request->getQuery('h');
$hash = $request->getQuery('hash');
$realHash = Default_Model_DbTable_BlogPostImage::GetImageHash($id, $w, $h);
// disable autorendering since we're outputting an image
$this->_helper->viewRenderer->setNoRender();
$image = new Default_Model_DbTable_BlogPostImage($this->db);
if ($hash != $realHash || !$image->load($id)) {
// image not found
$response->setHttpResponseCode(404);
return;
}
try {
$fullpath = $image->createThumbnail($w, $h, $username);
} catch (Exception $ex) {
$fullpath = $image->getFullPath($username);
}
$info = getImageSize($fullpath);
$response->setHeader('content-type', $info['mime']);
$response->setHeader('content-length', filesize($fullpath));
echo file_get_contents($fullpath);
}
/**
* Get an image file
*
* @param array $params
* @param Smarty $smarty
* @return string
*/
function smarty_function_imagefilename($params, $smarty)
{
if (!isset($params['id'])) {
$params['id'] = 0;
}
if (!isset($params['w'])) {
$params['w'] = 0;
}
if (!isset($params['w'])) {
$params['h'] = 0;
}
require_once $smarty->_get_plugin_filepath('function', 'geturl');
$hash = Default_Model_DbTable_BlogPostImage::GetImageHash($params['id'], $params['w'], $params['h']);
$options = array('controller' => 'utility', 'action' => 'image');
return sprintf('%s?username=%s&id=%d&w=%d&h=%d&hash=%s', smarty_function_geturl($options, $smarty), $params['username'], $params['id'], $params['w'], $params['h'], $hash);
}
