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<?php |
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namespace Jalle19\CertificateParser\Provider; |
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use Jalle19\CertificateParser\Provider\Exception\ConnectionTimeoutException; |
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use Jalle19\CertificateParser\Provider\Exception\DomainMismatchException; |
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use Jalle19\CertificateParser\Provider\Exception\NameResolutionException; |
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use Jalle19\CertificateParser\Provider\Exception\CertificateNotFoundException; |
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use Jalle19\CertificateParser\Provider\Exception\ProviderException; |
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/** |
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* Class StreamSocketProvider |
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* @package Jalle19\CertificateParser\Provider |
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*/ |
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class StreamSocketProvider implements ProviderInterface |
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{ |
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const DEFAULT_TIMEOUT_SECONDS = 15; |
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const DEFAULT_PORT = 443; |
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/** |
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* @var string |
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*/ |
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private $hostname; |
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/** |
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* @var int |
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*/ |
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private $port; |
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/** |
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* @var int |
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*/ |
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private $timeout; |
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/** |
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* @var StreamContext |
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*/ |
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private $streamContext; |
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/** |
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* @var array maps partial error messages to exception types |
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*/ |
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private static $errorExceptionMap = [ |
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// Check for name resolution errors |
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'getaddrinfo failed' => NameResolutionException::class, |
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// Check for unknown SSL protocol (usually means no SSL is configured on the endpoint) |
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'GET_SERVER_HELLO:unknown protocol' => CertificateNotFoundException::class, |
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// Check for domain mismatches |
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'did not match expected' => DomainMismatchException::class, |
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// Check for connection timeouts |
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'timed out' => ConnectionTimeoutException::class, |
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]; |
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/** |
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* StreamSocketProvider constructor. |
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* |
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* @param string $hostname |
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* @param int $port (optional) |
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* @param int $timeout (optional) |
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* @param StreamContext|null $streamContext (optional) |
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*/ |
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public function __construct( |
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$hostname, |
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$port = self::DEFAULT_PORT, |
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$timeout = self::DEFAULT_TIMEOUT_SECONDS, |
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$streamContext = null |
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) { |
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$this->hostname = $hostname; |
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$this->port = $port; |
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$this->timeout = $timeout; |
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$this->streamContext = $streamContext ?: new StreamContext(); |
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} |
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/** |
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* @return StreamContext |
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*/ |
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public function getStreamContext() |
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{ |
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return $this->streamContext; |
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} |
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/** |
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* @param StreamContext $streamContext |
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*/ |
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public function setStreamContext($streamContext) |
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{ |
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$this->streamContext = $streamContext; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getRawCertificate() |
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{ |
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try { |
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$client = stream_socket_client( |
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$this->getRequestUrl(), |
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$errorNumber, |
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$errorDescription, |
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$this->timeout, |
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STREAM_CLIENT_CONNECT, |
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$this->streamContext->getResource() |
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); |
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$response = stream_context_get_params($client); |
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return $response['options']['ssl']['peer_certificate']; |
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} catch (\Throwable $e) { |
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$errorMessage = $e->getMessage(); |
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// Throw mapped exceptions |
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foreach (self::$errorExceptionMap as $needle => $exceptionClass) { |
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if (strpos($errorMessage, $needle) !== false) { |
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throw new $exceptionClass($errorMessage); |
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} |
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} |
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throw new ProviderException($errorMessage); |
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} |
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} |
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/** |
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* @return string |
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*/ |
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private function getRequestUrl() |
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{ |
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return 'ssl://' . $this->hostname . ':' . $this->port; |
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} |
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} |
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Jalle19 /
certificate-parser
