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<?php |
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namespace Spatie\SslCertificate; |
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use Spatie\SslCertificate\Exceptions\CouldNotDownloadCertificate; |
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use Spatie\SslCertificate\Exceptions\InvalidIpAddress; |
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use Throwable; |
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class Downloader |
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{ |
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/** @var int */ |
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protected $port = 443; |
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/** @var string */ |
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protected $ipAddress = null; |
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/** @var bool */ |
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protected $usingIpAddress = false; |
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/** @var int */ |
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protected $timeout = 30; |
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/** @var bool */ |
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protected $enableSni = true; |
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/** @var bool */ |
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protected $capturePeerChain = false; |
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/** @var bool */ |
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protected $verifyPeer = true; |
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/** @var bool */ |
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protected $verifyPeerName = true; |
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public function usingPort(int $port) |
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{ |
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$this->port = $port; |
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return $this; |
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} |
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public function usingSni(bool $sni) |
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{ |
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$this->enableSni = $sni; |
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return $this; |
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} |
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public function withFullChain(bool $fullChain) |
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{ |
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$this->capturePeerChain = $fullChain; |
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return $this; |
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} |
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public function withVerifyPeer(bool $verifyPeer) |
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{ |
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$this->verifyPeer = $verifyPeer; |
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return $this; |
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} |
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public function withVerifyPeerName(bool $verifyPeerName) |
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{ |
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$this->verifyPeerName = $verifyPeerName; |
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return $this; |
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} |
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public function setTimeout(int $timeOutInSeconds) |
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{ |
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$this->timeout = $timeOutInSeconds; |
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return $this; |
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} |
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public function fromIpAddress(string $ipAddress) |
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{ |
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if (! filter_var($ipAddress, FILTER_VALIDATE_IP)) { |
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throw InvalidIpAddress::couldNotValidate($ipAddress); |
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} |
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$this->ipAddress = $ipAddress; |
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$this->usingIpAddress = true; |
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return $this; |
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} |
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public function getCertificates(string $hostName): array |
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{ |
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$response = $this->fetchCertificates($hostName); |
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$remoteAddress = $response['remoteAddress']; |
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$peerCertificate = $response['options']['ssl']['peer_certificate']; |
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$peerCertificateChain = $response['options']['ssl']['peer_certificate_chain'] ?? []; |
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$fullCertificateChain = array_merge([$peerCertificate], $peerCertificateChain); |
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$certificates = array_map(function ($certificate) use ($remoteAddress) { |
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$certificateFields = openssl_x509_parse($certificate); |
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$fingerprint = openssl_x509_fingerprint($certificate); |
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$fingerprintSha256 = openssl_x509_fingerprint($certificate, 'sha256'); |
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return new SslCertificate( |
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$certificateFields, |
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$fingerprint, |
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$fingerprintSha256, |
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$remoteAddress |
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); |
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}, $fullCertificateChain); |
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return array_unique($certificates); |
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} |
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public function forHost(string $hostName): SslCertificate |
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{ |
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$hostName = (new Url($hostName))->getHostName(); |
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$certificates = $this->getCertificates($hostName); |
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return $certificates[0] ?? false; |
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} |
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public static function downloadCertificateFromUrl(string $url, int $timeout = 30): SslCertificate |
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{ |
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return (new static()) |
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->setTimeout($timeout) |
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->forHost($url); |
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} |
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protected function fetchCertificates(string $hostName): array |
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{ |
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$hostName = (new Url($hostName))->getHostName(); |
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$sslOptions = [ |
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'capture_peer_cert' => true, |
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'capture_peer_cert_chain' => $this->capturePeerChain, |
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'SNI_enabled' => $this->enableSni, |
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'peer_name' => $hostName, |
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'verify_peer' => $this->verifyPeer, |
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'verify_peer_name' => $this->verifyPeerName, |
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]; |
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$streamContext = stream_context_create([ |
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'ssl' => $sslOptions, |
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]); |
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$connectTo = ($this->usingIpAddress) |
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? $this->ipAddress |
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: $hostName; |
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$client = @stream_socket_client( |
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"ssl://{$connectTo}:{$this->port}", |
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$errorNumber, |
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$errorDescription, |
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$this->timeout, |
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STREAM_CLIENT_CONNECT, |
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$streamContext |
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); |
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if (! empty( $errorDescription )) { |
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throw $this->generateFailureException($connectTo, $errorDescription); |
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} |
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if (! $client) { |
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$clientErrorMessage = ($this->usingIpAddress) |
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? "Could not connect to `{$connectTo}` or it does not have a certificate matching `${hostName}`." |
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: "Could not connect to `{$connectTo}`."; |
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throw CouldNotDownloadCertificate::unknownError($hostName, $clientErrorMessage); |
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} |
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$response = stream_context_get_params($client); |
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$response['remoteAddress'] = stream_socket_get_name($client, true); |
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fclose($client); |
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return $response; |
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} |
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protected function generateFailureException(string $hostName, string $errorDescription) |
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{ |
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if (str_contains($errorDescription, 'getaddrinfo failed')) { |
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return CouldNotDownloadCertificate::hostDoesNotExist($hostName); |
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} |
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if (str_contains($errorDescription, 'error:14090086')) { |
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return CouldNotDownloadCertificate::noCertificateInstalled($hostName); |
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} |
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return CouldNotDownloadCertificate::unknownError($hostName, $errorDescription); |
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} |
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} |
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spatie /
ssl-certificate
