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<?php |
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declare(strict_types=1); |
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namespace Genkgo\Mail\Protocol\Smtp; |
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use Genkgo\Mail\Exception\ConnectionBrokenException; |
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use Genkgo\Mail\Exception\ConnectionTimeoutException; |
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use Genkgo\Mail\Exception\ConnectionClosedException; |
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use Genkgo\Mail\Exception\UnknownSmtpCommandException; |
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use Genkgo\Mail\Protocol\AppendCrlfConnection; |
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use Genkgo\Mail\Protocol\ConnectionInterface; |
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use Genkgo\Mail\Protocol\ConnectionListenerInterface; |
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use Genkgo\Mail\Protocol\Smtp\Capability\EhloCapability; |
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use Genkgo\Mail\Protocol\Smtp\Capability\QuitCapability; |
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use Genkgo\Mail\Protocol\Smtp\Capability\ResetCapability; |
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use Genkgo\Mail\Protocol\TrimCrlfConnection; |
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final class Server |
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{ |
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/** |
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* @var ConnectionListenerInterface |
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*/ |
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private $listener; |
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/** |
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* @var CapabilityInterface[] |
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*/ |
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private $capabilities = []; |
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/** |
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* @var string |
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*/ |
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private $serverName; |
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/** |
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* @param ConnectionListenerInterface $connection |
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* @param array|CapabilityInterface[] $capabilities |
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* @param string $serverName |
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*/ |
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public function __construct(ConnectionListenerInterface $connection, array $capabilities, string $serverName) |
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{ |
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$this->listener = $connection; |
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$this->serverName = $serverName; |
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$this->capabilities = \array_merge( |
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$capabilities, |
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[ |
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new EhloCapability($this->serverName, $capabilities), |
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new QuitCapability(), |
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new ResetCapability() |
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] |
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); |
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} |
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public function start(): void |
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{ |
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while ($connection = $this->listener->listen()) { |
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$connection = new TrimCrlfConnection(new AppendCrlfConnection($connection)); |
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$connection->send('220 Welcome to Genkgo Mail Server'); |
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$this->transport( |
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$connection, |
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function (ConnectionInterface $connection) { |
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$session = new Session(); |
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while ($session = $session->withCommand($connection->receive())) { |
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try { |
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2 |
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$session = $this->handleCommand($connection, $session); |
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1 |
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} catch (UnknownSmtpCommandException $e) { |
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$connection->send('500 unrecognized command'); |
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} |
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if ($session->getState() === Session::STATE_DISCONNECT) { |
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break; |
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} |
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} |
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} |
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); |
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} |
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} |
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/** |
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* @param ConnectionInterface $connection |
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* @param \Closure $callback |
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*/ |
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private function transport(ConnectionInterface $connection, \Closure $callback): void |
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{ |
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try { |
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$callback($connection); |
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} catch (ConnectionTimeoutException $e) { |
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$connection->send('421 command timeout - closing connection'); |
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$connection->disconnect(); |
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} catch (ConnectionBrokenException $e) { |
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try { |
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$connection->send('554 transaction failed, unexpected value - closing connection'); |
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} catch (\Exception $e) { |
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} |
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$connection->disconnect(); |
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} catch (ConnectionClosedException $e) { |
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$connection->disconnect(); |
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} |
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} |
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/** |
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* @param ConnectionInterface $connection |
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* @param Session $session |
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* @return Session |
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* @throws UnknownSmtpCommandException |
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*/ |
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private function handleCommand(ConnectionInterface $connection, Session $session): Session |
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{ |
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$command = $session->getCommand(); |
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foreach ($this->capabilities as $capability) { |
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$advertised = $capability->advertise(); |
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if (\substr($command, 0, \strlen($advertised)) === $advertised) { |
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return $capability->manifest($connection, $session); |
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} |
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} |
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1 |
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throw new UnknownSmtpCommandException('Cannot handle command'); |
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} |
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} |
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genkgo /
mail
Loading history...
Our type inference engine has found an assignment to a property that is incompatible with the declared type of that property.
Either this assignment is in error or the assigned type should be added to the documentation/type hint for that property..