/**
* {@inheritdoc}
*/
public function clear()
{
if ($this->proxyClient instanceof BanInterface) {
$request = $this->requestStack->getCurrentRequest();
if (!$request) {
return;
}
$this->proxyClient->banPath(BanInterface::REGEX_MATCH_ALL, BanInterface::CONTENT_TYPE_ALL, [$request->getHost()]);
return $this->proxyClient->flush();
}
$path = sprintf('%s/cache/website/%s/http_cache', $this->varDir ?: $this->kernelRootDir, $this->kernelEnvironment);
if ($this->filesystem->exists($path)) {
$this->filesystem->remove($path);
}
}
/**
* Invalidate URLs based on a regular expression for the URI, an optional
* content type and optional limit to certain hosts.
*
* The hosts parameter can either be a regular expression, e.g.
* '^(www\.)?(this|that)\.com$' or an array of exact host names, e.g.
* ['example.com', 'other.net']. If the parameter is empty, all hosts
* are matched.
*
* @see BanInterface::banPath()
*
* @param string $path Regular expression pattern for URI to
* invalidate.
* @param string $contentType Regular expression pattern for the content
* type to limit banning, for instance 'text'.
* @param array|string $hosts Regular expression of a host name or list of
* exact host names to limit banning.
*
* @throws UnsupportedProxyOperationException If HTTP cache does not support BAN requests
*
* @return $this
*/
public function invalidateRegex($path, $contentType = null, $hosts = null)
{
if (!$this->cache instanceof BanInterface) {
throw UnsupportedProxyOperationException::cacheDoesNotImplement('BAN');
}
$this->cache->banPath($path, $contentType, $hosts);
return $this;
}
