X509.php

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<?php

namespace SAML2\Certificate;

class X509 extends Key
{
    private $fingerprint;

    public static function createFromCertificateData($certificateContents)
    {
        $data = array(
            'encryption'      => true,
            'signing'         => true,
            'type'            => 'X509Certificate',
            'X509Certificate' => $certificateContents
        );

        return new self($data);
    }

    public function offsetSet($offset, $value)
    {
        if ($offset === 'X509Certificate') {
            $value = preg_replace('~\s+~', '', $value);
        }

        parent::offsetSet($offset, $value);
    }

    public function getCertificate()
    {
        return "-----BEGIN CERTIFICATE-----\n"
                . chunk_split($this->keyData['X509Certificate'], 64)
                . "-----END CERTIFICATE-----\n";
    }

    public function getFingerprint()
    {
        if (isset($this->fingerprint)) {
            return $this->fingerprint;
        }

        $fingerprint = strtolower(sha1(base64_decode($this->keyData['X509Certificate'])));

        return $this->fingerprint = new Fingerprint($fingerprint);
    }
}