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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\AssertionFailedException; |
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use Genkgo\Mail\Exception\ImapAuthenticationException; |
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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\AuthPlainCommand; |
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use Genkgo\Mail\Protocol\Imap\Request\AuthPlainCredentialsRequest; |
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use Genkgo\Mail\Protocol\Imap\Request\CapabilityCommand; |
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use Genkgo\Mail\Protocol\Imap\Request\LoginCommand; |
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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 AuthNegotiation implements NegotiationInterface |
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{ |
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/** |
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* @var int |
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*/ |
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private $method; |
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/** |
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* @var string |
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*/ |
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private $username; |
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/** |
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* @var string |
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*/ |
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private $password; |
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/** |
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* @param int $method |
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* @param string $username |
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* @param string $password |
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*/ |
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public function __construct(int $method, string $username, string $password) |
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{ |
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$this->method = $method; |
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$this->username = $username; |
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$this->password = $password; |
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} |
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/** |
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* @param Client $client |
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* @throws ImapAuthenticationException |
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*/ |
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public function negotiate(Client $client): void |
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{ |
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$method = $this->method; |
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if ($method === Client::AUTH_AUTO) { |
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$responseList = $client->emit(new CapabilityCommand($client->newTag())); |
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$capabilities = CapabilityCommandResponse::fromString($responseList->first()->getBody()); |
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$responseList |
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->last() |
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->assertCompletion(CompletionResult::ok()) |
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->assertTagged(); |
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$options = [ |
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'AUTH=PLAIN' => Client::AUTH_PLAIN, |
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]; |
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foreach ($options as $capability => $auth) { |
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if ($capabilities->isAdvertising($capability)) { |
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$method = $auth; |
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} |
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} |
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if ($method === Client::AUTH_AUTO && !$capabilities->isAdvertising('LOGINDISABLED')) { |
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$method = Client::AUTH_LOGIN; |
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} |
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if ($method === Client::AUTH_AUTO) { |
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throw new ImapAuthenticationException( |
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'IMAP server does not advertise one the supported AUTH methods (AUTH PLAIN)' |
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); |
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} |
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} |
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switch ($method) { |
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case Client::AUTH_PLAIN: |
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$tag = $client->newTag(); |
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$client |
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->emit(new AuthPlainCommand($tag)) |
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->first() |
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->assertContinuation(); |
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$taggedResponse = $client |
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->emit( |
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new AuthPlainCredentialsRequest( |
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$tag, |
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$this->username, |
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$this->password |
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) |
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) |
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->last() |
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->assertTagged(); |
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try { |
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$taggedResponse->assertCompletion(CompletionResult::ok()); |
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} catch (AssertionFailedException $e) { |
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throw new ImapAuthenticationException( |
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'Failed to authenticate: ' . $taggedResponse->getBody() |
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); |
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} |
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break; |
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case Client::AUTH_LOGIN: |
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$taggedResponse = $client |
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->emit(new LoginCommand($client->newTag(), $this->username, $this->password)) |
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->last() |
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->assertTagged(); |
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try { |
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$taggedResponse->assertCompletion(CompletionResult::ok()); |
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} catch (AssertionFailedException $e) { |
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throw new ImapAuthenticationException( |
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'Failed to authenticate: ' . $taggedResponse->getBody() |
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); |
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} |
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break; |
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} |
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} |
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} |
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genkgo /
mail
