/**
* Handles get requests.
*
* @param Alpha\Util\Http\Request $request
*
* @return Alpha\Util\Http\Response
*
* @since 1.0
*
* @throws Alpha\Exception\ResourceNotFoundException
* @throws Alpha\Exception\ResourceNotAllowedException
*/
public function doGet($request)
{
self::$logger->debug('>>doGet(request=[' . var_export($request, true) . '])');
$config = ConfigProvider::getInstance();
$params = $request->getParams();
try {
$imgSource = urldecode($params['source']);
$imgWidth = $params['width'];
$imgHeight = $params['height'];
$imgType = $params['type'];
$imgQuality = (double) $params['quality'];
$imgScale = new Boolean($params['scale']);
$imgSecure = new Boolean($params['secure']);
} catch (\Exception $e) {
self::$logger->error('Required param missing for ImageController controller[' . $e->getMessage() . ']');
throw new ResourceNotFoundException('File not found');
}
$modified = filemtime($imgSource);
$responseHeaders = array();
$responseHeaders['Last-Modified'] = date('D, d M Y H:i:s', $modified) . ' GMT';
$responseHeaders['Cache-Control'] = 'max-age=1800';
// exit if not modified
if ($request->getHeader('If-Modified-Since') != null) {
if (strtotime($request->getHeader('If-Modified-Since')) == $modified) {
return new Response(304, '', $responseHeaders);
}
}
// handle secure tokens
if ($imgSecure->getBooleanValue() && $config->get('cms.images.widget.secure')) {
$valid = $this->checkSecurityFields();
// if not valid, just return a blank black image of the same dimensions
if (!$valid) {
$im = imagecreatetruecolor($imgWidth, $imgHeight);
$bgc = imagecolorallocate($im, 0, 0, 0);
imagefilledrectangle($im, 0, 0, $imgWidth, $imgHeight, $bgc);
if ($imgSource == 'png' && $config->get('cms.images.perserve.png')) {
ob_start();
imagepng($im);
$body = ob_get_contents();
$contentType = 'image/png';
ob_end_clean();
} else {
ob_start();
imagejpeg($im);
$body = ob_get_contents();
$contentType = 'image/jpeg';
ob_end_clean();
}
imagedestroy($im);
self::$logger->warn('The client [' . $request->getUserAgent() . '] was blocked from accessing the file [' . $imgSource . '] due to bad security tokens being provided');
$responseHeaders['Content-Type'] = $contentType;
return new Response(200, $body, $responseHeaders);
}
}
try {
$image = new Image($imgSource, $imgWidth, $imgHeight, $imgType, $imgQuality, $imgScale->getBooleanValue(), $imgSecure->getBooleanValue());
ob_start();
$image->renderImage();
$body = ob_get_contents();
ob_end_clean();
} catch (IllegalArguementException $e) {
self::$logger->error($e->getMessage());
throw new ResourceNotFoundException('File not found');
}
self::$logger->debug('<<__doGet');
if ($imgSource == 'png' && $config->get('cms.images.perserve.png')) {
$responseHeaders['Content-Type'] = 'image/png';
} else {
$responseHeaders['Content-Type'] = 'image/jpeg';
}
return new Response(200, $body, $responseHeaders);
}
