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<?php |
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declare(strict_types=1); |
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namespace Genkgo\Mail\Protocol\Smtp\Capability; |
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use Genkgo\Mail\Protocol\ConnectionInterface; |
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use Genkgo\Mail\Protocol\Smtp\CapabilityInterface; |
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use Genkgo\Mail\Protocol\Smtp\Session; |
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final class EhloCapability implements CapabilityInterface |
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{ |
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/** |
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* @var array |
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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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* |
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*/ |
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private CONST PROTOCOL_COMMANDS = [ |
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'MAIL FROM' => true, |
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'EHLO' => true, |
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'RCPT TO' => true, |
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'RSET' => true, |
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'QUIT' => true, |
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'HELO' => true, |
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'DATA' => true, |
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]; |
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/** |
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* EhloCapability constructor. |
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* @param string $serverName |
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* @param array $capabilities |
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*/ |
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public function __construct(string $serverName, array $capabilities) |
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{ |
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$this->serverName = $serverName; |
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$this->capabilities = $capabilities; |
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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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*/ |
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public function manifest(ConnectionInterface $connection, Session $session): Session |
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{ |
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$command = $session->getCommand(); |
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$advertisements = array_filter( |
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array_map( |
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function (CapabilityInterface $capability) { |
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return $capability->advertise(); |
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}, |
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$this->capabilities |
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), |
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function (string $advertisement) { |
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return !isset(self::PROTOCOL_COMMANDS[$advertisement]); |
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} |
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); |
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$messages = array_merge( |
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[$this->serverName . ' Hello ' . substr($command, 5)], |
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$advertisements |
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); |
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foreach ($messages as $message) { |
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if (next($messages) === false) { |
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$connection->send('250 ' . $message); |
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} else { |
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$connection->send('250-' . $message); |
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} |
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} |
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return $session->withState(Session::STATE_EHLO); |
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} |
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/** |
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* @return string |
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*/ |
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public function advertise(): string |
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{ |
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return 'EHLO'; |
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} |
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} |
genkgo /
mail
