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<?php |
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namespace Spatie\CertificateChain; |
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use phpseclib\File\X509; |
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use Spatie\CertificateChain\Exceptions\CouldNotCreateCertificate; |
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class Certificate |
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{ |
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/** |
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* @param string The contents of the certificate |
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*/ |
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protected $contents; |
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/** |
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* @param string $inputFile |
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* |
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* @return static |
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*/ |
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public static function loadFromFile(string $inputFile) |
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{ |
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return new static(file_get_contents($inputFile)); |
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} |
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/** |
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* @param string $url |
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* |
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* @return static |
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*/ |
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public static function loadFromUrl(string $url) |
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{ |
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return static::loadFromFile($url); |
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} |
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public function __construct(string $contents) |
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{ |
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$this->guardAgainstInvalidContents($contents); |
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$this->contents = $contents; |
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} |
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/** |
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* Get the URL of the parent certificate. |
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*/ |
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public function getParentCertificateUrl(): string |
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{ |
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$x509 = new X509(); |
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$certProperties = $x509->loadX509($this->contents); |
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foreach ($certProperties['tbsCertificate']['extensions'] as $extension) { |
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if ($extension['extnId'] == 'id-pe-authorityInfoAccess') { |
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foreach ($extension['extnValue'] as $extnValue) { |
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if ($extnValue['accessMethod'] == 'id-ad-caIssuers') { |
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return $extnValue['accessLocation']['uniformResourceIdentifier']; |
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} |
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} |
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} |
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} |
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return ''; |
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} |
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public function fetchParentCertificate(): Certificate |
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{ |
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return static::loadFromUrl($this->getParentCertificateUrl()); |
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} |
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public function hasParentInTrustChain(): bool |
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{ |
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return ! $this->getParentCertificateUrl() == ''; |
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} |
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public function getContents(): string |
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{ |
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$x509 = new X509(); |
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return $x509->saveX509($x509->loadX509($this->contents)).PHP_EOL; |
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} |
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protected function guardAgainstInvalidContents(string $content) |
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{ |
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if (! (new X509())->loadX509($content)) { |
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throw CouldNotCreateCertificate::invalidContent($content); |
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} |
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} |
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} |
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spatie /
ssl-certificate-chain-resolver
