/**
* Get post first image path
*
* @param Post $post Current post
* @param string $filter Image filter
* @param string $host Current host
*
* @return string
*/
public function getPostFirstImagePath(Post $post, $filter = '', $host = '')
{
$imagePath = '';
if (preg_match('~<img[^>]+src="([^"]+)"[^>]*>~i', $post->getText(), $matches)) {
$imagePath = $this->cachePathResolver->getBrowserPath($matches[1], $filter);
}
if ('' === $filter && isset($matches[1])) {
$imagePath = $matches[1];
}
return $imagePath;
}
/**
* 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 . $path;
if (!file_exists($sourcePath)) {
throw new NotFoundHttpException(sprintf('Source image not found in "%s"', $sourcePath));
}
$ext = pathinfo($sourcePath, PATHINFO_EXTENSION);
if ($ext == 'gif' && $this->isAnimatedGif(fopen($sourcePath, 'r'))) {
ob_start();
echo stream_get_contents(fopen($sourcePath, 'r'));
return new Response(ob_get_clean(), 201, array('content-type' => 'image/gif'));
}
// if the file has already been cached, we're probably not rewriting
// correctly, hence make a 301 to proper location, so browser remembers
if (file_exists($realPath)) {
return new Response('', 301, array('location' => $this->request->getBasePath() . $browserPath));
}
$dir = pathinfo($realPath, PATHINFO_DIRNAME);
if (!is_dir($dir)) {
if (!$this->filesystem->mkdir($dir)) {
throw new \RuntimeException(sprintf('Could not create directory %s', $dir));
}
}
ob_start();
try {
// 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)))->show($this->filterManager->getOption($filter, "format", "png"));
// TODO: add more media headers
return new Response(ob_get_clean(), 201, array('content-type' => 'image/' . $this->filterManager->getOption($filter, "format", "png")));
} catch (\Exception $e) {
ob_end_clean();
throw $e;
}
}
public function removeCacheImage($path, $filter)
{
$path = '/' . ltrim($path, '/');
// if cache path cannot be determined, return 404
if (!($cachedPath = $this->cachePathResolver->getCachedPath($path, $filter))) {
return;
}
(!stream_is_local($cachedPath) || is_file($cachedPath)) && unlink($cachedPath);
}
/**
* This action invalidates all filters of a given image
*
* @param string $path
* @param string $filter
*
* @return Response
*/
public function invalidate($imagePath, $filterFilter = array())
{
foreach ($this->filterManager->getFilters() as $filterName => $filter) {
if (count($filterFilter) > 0 && !in_array($filterName, $filterFilter)) {
continue;
}
$path = '/' . ltrim($imagePath, '/');
//TODO: find out why I need double urldecode to get a valid path
$browserPath = urldecode(urldecode($this->cachePathResolver->getBrowserPath($path, $filterName)));
$basePath = $this->request->getBaseUrl();
//remove e.g. app_dev.php
if (!empty($basePath) && 0 === strpos($browserPath, $basePath)) {
$browserPath = substr($browserPath, strlen($basePath));
}
$path = realpath($this->webRoot . $browserPath);
if (is_file($path)) {
unlink($path);
}
}
}
/**
* Gets cache path of an image to be filtered
*
* @param string $path
* @param string $filter
* @param boolean $absolute
*
* @return string
*/
public function filter($path, $filter, $absolute = false)
{
return $this->cachePathResolver->getBrowserPath($path, $filter, $absolute);
}
/**
* Gets cache path of an image to be filtered
*
* @param string $path
* @param string $filter
*
* @return string
*/
public function applyFilter($path, $filter)
{
return $this->cachePathResolver->getBrowserPath($path, $filter);
}