ClickHouse/src/Common/RemoteHostFilter.h

35 lines
1.1 KiB
C++

#pragma once
#include <string>
#include <vector>
#include <unordered_set>
namespace Poco { class URI; }
namespace Poco { namespace Util { class AbstractConfiguration; } }
namespace DB
{
class RemoteHostFilter
{
/**
* This class checks if URL is allowed.
* If primary_hosts and regexp_hosts are empty all urls are allowed.
*/
public:
void checkURL(const Poco::URI & uri) const; /// If URL not allowed in config.xml throw UNACCEPTABLE_URL Exception
void setValuesFromConfig(const Poco::Util::AbstractConfiguration & config);
void checkHostAndPort(const std::string & host, const std::string & port) const; /// Does the same as checkURL, but for host and port.
private:
bool is_allow_by_default = true;
std::unordered_set<std::string> primary_hosts; /// Allowed primary (<host>) URL from config.xml
std::vector<std::string> regexp_hosts; /// Allowed regexp (<hots_regexp>) URL from config.xml
/// Checks if the primary_hosts and regexp_hosts contain str. If primary_hosts and regexp_hosts are empty return true.
bool checkForDirectEntry(const std::string & str) const;
};
}