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<?php |
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declare(strict_types=1); |
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namespace Genkgo\Mail\Protocol\Imap\Negotiation; |
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use Genkgo\Mail\Exception\ConnectionInsecureException; |
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use Genkgo\Mail\Protocol\ConnectionInterface; |
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use Genkgo\Mail\Protocol\Imap\Client; |
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use Genkgo\Mail\Protocol\Imap\NegotiationInterface; |
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use Genkgo\Mail\Protocol\Imap\Request\CapabilityCommand; |
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use Genkgo\Mail\Protocol\Imap\Request\StartTlsCommand; |
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use Genkgo\Mail\Protocol\Imap\Response\Command\CapabilityCommandResponse; |
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use Genkgo\Mail\Protocol\Imap\Response\CompletionResult; |
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final class ForceTlsUpgradeNegotiation implements NegotiationInterface |
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{ |
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/** |
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* @var ConnectionInterface |
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*/ |
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private $connection; |
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/** |
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* @var int |
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*/ |
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private $crypto; |
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/** |
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* ConnectionNegotiation constructor. |
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* @param ConnectionInterface $connection |
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* @param int $crypto |
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*/ |
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public function __construct( |
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ConnectionInterface $connection, |
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int $crypto |
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) { |
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$this->connection = $connection; |
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$this->crypto = $crypto; |
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} |
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/** |
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* @param Client $client |
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* @throws ConnectionInsecureException |
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*/ |
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public function negotiate(Client $client): void |
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{ |
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if (!empty($this->connection->getMetaData(['crypto']))) { |
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return; |
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} |
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$responseList = $client->emit(new CapabilityCommand($client->newTag())); |
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$capabilities = CapabilityCommandResponse::fromResponse($responseList->first()); |
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$responseList |
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->last() |
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->assertCompletion(CompletionResult::ok()) |
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->assertTagged(); |
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if ($capabilities->isAdvertising('STARTTLS')) { |
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$client |
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->emit(new StartTlsCommand($client->newTag())) |
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->last() |
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->assertCompletion(CompletionResult::ok()) |
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->assertTagged(); |
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$this->connection->upgrade($this->crypto); |
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} |
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if (empty($this->connection->getMetaData(['crypto']))) { |
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throw new ConnectionInsecureException( |
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'Server does not support STARTTLS. Use imaps:// or to allow insecure connections use imap-starttls://' |
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); |
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} |
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} |
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} |
genkgo /
mail
