/**
* {@inheritDoc}
*/
function load(array $options = array())
{
if (!isset($options['filters']) || !is_array($options['filters'])) {
throw new InvalidArgumentException('Expected filters key and type of array');
}
$filters = array();
foreach ($options['filters'] as $loaderName => $opts) {
$filters[] = $this->filterManager->getLoader($loaderName)->load(is_array($opts) ? $opts : []);
}
return new ChainFilter($filters);
}
/**
* {@inheritDoc}
*/
function load(array $options = array())
{
if (false == isset($options['filters']) || false == is_array($options['filters'])) {
throw new \InvalidArgumentException('Expected filters key and type of array');
}
if (false == $options['filters']) {
throw new \InvalidArgumentException('At least one filter expected');
}
$filters = array();
foreach ($options['filters'] as $loaderName => $loaderOptions) {
$loader = $this->filterManager->getLoader($loaderName);
$loaderOptions = is_array($loaderOptions) ? $loaderOptions : array();
$filters[] = $loader->load($loaderOptions);
}
return new ChainFilter($filters);
}
private function findStreamContext($path, $filter)
{
if (false === ($at = strpos($path, '://'))) {
return null;
}
$contextName = substr($path, 0, $at);
$context = $this->filterManager->getOption($filter, $contextName . '_context', null);
return is_array($context) ? stream_context_create([$contextName => $context]) : null;
}
/**
* This action applies a given filter to a given image, saves the image and
* outputs it to the browser at the same time
*
* @param string $path
* @param string $filter
*
* @return Response
*
* @throws Exception
*/
public function filterAction($path, $filter)
{
$baseUrl = $this->request->getBaseUrl();
try {
try {
$cachedPath = $this->cacheManager->cacheImage($baseUrl, $path, $filter);
} catch (RuntimeException $e) {
if (!isset($this->notFoundImages[$filter])) {
throw $e;
}
$path = $this->notFoundImages[$filter];
$cachedPath = $this->cacheManager->cacheImage($baseUrl, $path, $filter);
}
} catch (RouteNotFoundException $e) {
throw new NotFoundHttpException('Filter doesn\'t exist.');
}
// if cache path cannot be determined, return 404
if (null === $cachedPath) {
throw new NotFoundHttpException('Image doesn\'t exist');
}
try {
// Using File instead of Imagine::open(), because i.e. image/x-icon is not widely supported.
$file = new ImageFile($cachedPath, false);
// TODO: add more media headers
$headers = ['content-type' => $file->getMimeType(), 'content-length' => $file->getSize()];
$response = new Response($file->getContents(), 201, $headers);
// Cache
if (!($cacheType = $this->filterManager->getOption($filter, 'cache_type', false))) {
return $response;
}
$cacheType === 'public' ? $response->setPublic() : $response->setPrivate();
$cacheExpires = $this->filterManager->getOption($filter, 'cache_expires', '1 day');
$expirationDate = new DateTime('+' . $cacheExpires);
$maxAge = $expirationDate->format('U') - time();
if ($maxAge < 0) {
throw new InvalidArgumentException('Invalid cache expiration date');
}
$response->setExpires($expirationDate);
$response->setMaxAge($maxAge);
return $response;
} catch (Exception $e) {
throw $e;
}
}
private function skip($path, $filter)
{
if (!($skip = $this->manager->getOption($filter, 'skip'))) {
return false;
}
foreach ((array) $skip as $regex) {
if (preg_match($regex, $path)) {
return true;
}
}
return false;
}
/**
* This action applies a given filter to a given image, saves the image and
* outputs it to the browser at the same time
*
* @param string $path
* @param string $filter
*
* @return Response
*/
public function filter($path, $filter)
{
$cachedPath = $this->cacheManager->cacheImage($this->request->getBaseUrl(), $path, $filter);
// if cache path cannot be determined, return 404
if (null === $cachedPath) {
throw new NotFoundHttpException('Image doesn\'t exist');
}
ob_start();
try {
$format = $this->filterManager->getOption($filter, "format", "png");
$this->imagine->open($cachedPath)->show($format);
$type = 'image/' . $format;
$length = ob_get_length();
$content = ob_get_clean();
// TODO: add more media headers
$response = new Response($content, 201, array('content-type' => $type, 'content-length' => $length));
// Cache
$cacheType = $this->filterManager->getOption($filter, "cache_type", false);
if (false == $cacheType) {
return $response;
}
$cacheType === "public" ? $response->setPublic() : $response->setPrivate();
$cacheExpires = $this->filterManager->getOption($filter, "cache_expires", "1 day");
$expirationDate = new \DateTime("+" . $cacheExpires);
$maxAge = $expirationDate->format("U") - time();
if ($maxAge < 0) {
throw new \InvalidArgumentException("Invalid cache expiration date");
}
$response->setExpires($expirationDate);
$response->setMaxAge($maxAge);
return $response;
} catch (\Exception $e) {
ob_end_clean();
throw $e;
}
}
/**
* This action applies a given filter to a given image, saves the image and
* outputs it to the browser at the same time
*
* @param string $path
* @param string $filter
*
* @return Response
*/
public function filter($path, $filter)
{
$path = '/' . ltrim($path, '/');
//TODO: find out why I need double urldecode to get a valid path
$browserPath = urldecode(urldecode($this->cachePathResolver->getBrowserPath($path, $filter)));
$basePath = $this->request->getBaseUrl();
if (!empty($basePath) && 0 === strpos($browserPath, $basePath)) {
$browserPath = substr($browserPath, strlen($basePath));
}
// if cache path cannot be determined, return 404
if (null === $browserPath) {
throw new NotFoundHttpException('Image doesn\'t exist');
}
$realPath = $this->webRoot . $browserPath;
$sourcePath = $this->sourceRoot . $path;
// if the file has already been cached, we're probably not rewriting
// correctly, hence make a 301 to proper location, so browser remembers
if (file_exists($realPath)) {
return new Response('', 301, array('location' => $this->request->getBasePath() . $browserPath));
}
if (!file_exists($sourcePath)) {
throw new NotFoundHttpException(sprintf('Source image not found in "%s"', $sourcePath));
}
$dir = pathinfo($realPath, PATHINFO_DIRNAME);
if (!is_dir($dir)) {
if (false === $this->filesystem->mkdir($dir)) {
throw new \RuntimeException(sprintf('Could not create directory %s', $dir));
}
}
ob_start();
try {
$format = $this->filterManager->getOption($filter, "format", "png");
// TODO: get rid of hard-coded quality and format
$this->filterManager->get($filter)->apply($this->imagine->open($sourcePath))->save($realPath, array('quality' => $this->filterManager->getOption($filter, "quality", 100), 'format' => $this->filterManager->getOption($filter, "format", null)))->show($format);
$type = 'image/' . $format;
$length = ob_get_length();
$content = ob_get_clean();
// TODO: add more media headers
return new Response($content, 201, array('content-type' => $type, 'content-length' => $length));
} catch (\Exception $e) {
ob_end_clean();
throw $e;
}
}