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<?php |
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namespace Dazzle\Http\Socket\Component\Firewall; |
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use Dazzle\Http\Null\NullServer; |
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use Dazzle\Http\NetworkComponentAwareInterface; |
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use Dazzle\Http\NetworkConnectionInterface; |
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use Dazzle\Http\NetworkMessageInterface; |
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use Dazzle\Http\NetworkComponentInterface; |
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class SocketFirewall implements SocketFirewallInterface, NetworkComponentAwareInterface |
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{ |
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/** |
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* @var NetworkComponentInterface |
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*/ |
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protected $component; |
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/** |
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* @var string[] |
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*/ |
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protected $blacklist; |
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/** |
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* @param NetworkComponentAwareInterface|null $aware |
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* @param NetworkComponentInterface|null $component |
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*/ |
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public function __construct(NetworkComponentAwareInterface $aware = null, NetworkComponentInterface $component = null) |
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{ |
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$this->component = $component; |
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$this->blacklist = []; |
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if ($aware !== null) |
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{ |
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$aware->setComponent($this); |
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} |
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} |
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/** |
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* |
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*/ |
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public function __destruct() |
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{ |
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unset($this->component); |
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unset($this->blacklist); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function setComponent(NetworkComponentInterface $component = null) |
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{ |
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$this->component = $component === null ? new NullServer() : $component; |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function getComponent() |
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{ |
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return $this->component; |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function blockAddress($address) |
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{ |
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$this->blacklist[$address] = true; |
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return $this; |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function unblockAddress($address) |
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{ |
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if (isset($this->blacklist[$address])) |
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{ |
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unset($this->blacklist[$address]); |
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} |
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return $this; |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function isAddressBlocked($address) |
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{ |
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return isset($this->blacklist[$address]); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function getBlockedAddresses() |
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{ |
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return array_keys($this->blacklist); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function handleConnect(NetworkConnectionInterface $conn) |
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{ |
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if ($this->isAddressBlocked($conn->getHost())) |
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{ |
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return $conn->close(); |
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} |
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return $this->component->handleConnect($conn); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function handleDisconnect(NetworkConnectionInterface $conn) |
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{ |
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if (!$this->isAddressBlocked($conn->getHost())) |
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{ |
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$this->component->handleDisconnect($conn); |
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} |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function handleMessage(NetworkConnectionInterface $conn, NetworkMessageInterface $message) |
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{ |
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return $this->component->handleMessage($conn, $message); |
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} |
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/** |
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* @override |
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* @inheritDoc |
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*/ |
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public function handleError(NetworkConnectionInterface $conn, $ex) |
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{ |
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if (!$this->isAddressBlocked($conn->getHost())) |
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{ |
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$this->component->handleError($conn, $ex); |
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} |
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} |
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} |
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dazzle-php /
http
