/**
* {@inheritdoc}
*/
public function get($key, $raw = false)
{
if ($this->has($key)) {
$this->image->close();
$this->image->load($this->pool[$key]);
return $raw ? $this->image->getImageBlob() : $this->image;
}
}
/**
* {@inheritdoc}
*/
protected function setHeaders(Response $response, ImageInterface $image, \DateTime $lastMod)
{
$response->headers->set('Content-type', $image->getMimeType());
$response->setContent($content = $image->getContents());
$response->setLastModified($lastMod);
$response->setEtag(hash('md5', $response->getContent()));
$response->headers->set('Accept-ranges', 'bytes');
$response->headers->set('Keep-Alive', 'timeout=15, max=200');
$response->headers->set('Connection', 'Keep-Alive', true);
}
/**
* Creates a new response.
*
* @param Image $image
* @access public
* @final
* @return void
*/
public final function make(ImageInterface $image)
{
$this->response = new Response(null, 200);
$this->response->setPublic();
$lastMod = (new \DateTime())->setTimestamp($modDate = $image->getLastModTime());
$mod = strtotime($this->request->headers->get('if-modified-since', time()));
if (($image instanceof CachedImage || !$image->isProcessed()) && $mod === $modDate) {
$this->setHeadersIfNotProcessed($this->response, $lastMod);
} else {
$this->setHeaders($this->response, $image, $lastMod);
}
}
/**
* {@inheritdoc}
*/
protected function setHeaders(Response $response, ImageInterface $image, \DateTime $lastMod)
{
$response->headers->set('Content-type', $image->getMimeType());
$response->setLastModified($lastMod);
$response->headers->set('Accept-ranges', 'bytes');
$response->headers->set('Keep-Alive', 'timeout=5, max=99');
$response->headers->set('Connection', 'keep-alive', true);
// return normal by setting image contents;
if ($image->isProcessed()) {
$response->setContent($content = $image->getContents());
$response->setEtag(hash('md5', $content));
} else {
// set the xsend header:
$file = $image->getSource();
$response->setEtag(md5_file($file));
$response->headers->set('Content-Length', filesize($file));
$response->headers->set('Content-Disposition', sprintf('inline; filename="%s"', basename($file)));
$response->headers->set('X-Sendfile', $file);
}
}
/**
* {@inheritDoc}
*/
public function resolve()
{
$this->image->close();
if (!$this->canResolve()) {
return false;
}
$this->parseAll();
if ($this->config->cache && ($image = $this->resolveFromCache($id = $this->getImageRequestId($this->getInputQuery(), $this->input['source'])))) {
return $image;
}
// something went wrong
if (!($img = $this->isReadableFile($this->parameter))) {
return false;
}
// something went wrong
if (!$this->image->load($img)) {
return false;
}
$this->image->process($this);
if ($this->config->cache) {
$this->processCache->put($id, $this->image->getContents());
}
return $this->image;
}
/**
* getProcessedCacheName
*
* @param ImageInterface $image
* @param string $requestString
* @param string $srouce
*
* @access protected
* @return string
*/
protected function getProcessedCacheId(ImageInterface $image, $requestString, $source)
{
$osuffix = $image->getSourceFormat();
$psuffix = $image->getFileFormat();
unset($this->cachedNames[$requestString]);
$this->cachedNames[$requestString] = $this->processCache->createKey($source . $osuffix . $psuffix, $requestString, $this->config->cache_prefix, $psuffix);
return $this->cachedNames[$requestString];
}
