AffiliationDescriptor.php

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<?php

namespace SAML2\XML\md;

use SAML2\Constants;
use SAML2\SignedElementHelper;
use SAML2\Utils;

class AffiliationDescriptor extends SignedElementHelper
{
    public $affiliationOwnerID;

    public $ID;

    public $validUntil;

    public $cacheDuration;

    public $Extensions = array();

    public $AffiliateMember = array();

    public $KeyDescriptor = array();

    public function __construct(\DOMElement $xml = null)
    {
        parent::__construct($xml);

        if ($xml === null) {
            return;
        }

        if (!$xml->hasAttribute('affiliationOwnerID')) {
            throw new \Exception('Missing affiliationOwnerID on AffiliationDescriptor.');
        }
        $this->affiliationOwnerID = $xml->getAttribute('affiliationOwnerID');

        if ($xml->hasAttribute('ID')) {
            $this->ID = $xml->getAttribute('ID');
        }

        if ($xml->hasAttribute('validUntil')) {
            $this->validUntil = Utils::xsDateTimeToTimestamp($xml->getAttribute('validUntil'));
        }

        if ($xml->hasAttribute('cacheDuration')) {
            $this->cacheDuration = $xml->getAttribute('cacheDuration');
        }

        $this->Extensions = Extensions::getList($xml);

        $this->AffiliateMember = Utils::extractStrings($xml, Constants::NS_MD, 'AffiliateMember');
        if (empty($this->AffiliateMember)) {
            throw new \Exception('Missing AffiliateMember in AffiliationDescriptor.');
        }

        foreach (Utils::xpQuery($xml, './saml_metadata:KeyDescriptor') as $kd) {
            $this->KeyDescriptor[] = new KeyDescriptor($kd);
        }
    }

    public function toXML(\DOMElement $parent)
    {
        assert(is_string($this->affiliationOwnerID));
        assert(is_null($this->ID) || is_string($this->ID));
        assert(is_null($this->validUntil) || is_int($this->validUntil));
        assert(is_null($this->cacheDuration) || is_string($this->cacheDuration));
        assert(is_array($this->Extensions));
        assert(is_array($this->AffiliateMember));
        assert(!empty($this->AffiliateMember));
        assert(is_array($this->KeyDescriptor));

        $e = $parent->ownerDocument->createElementNS(Constants::NS_MD, 'md:AffiliationDescriptor');
        $parent->appendChild($e);

        $e->setAttribute('affiliationOwnerID', $this->affiliationOwnerID);

        if (isset($this->ID)) {
            $e->setAttribute('ID', $this->ID);
        }

        if (isset($this->validUntil)) {
            $e->setAttribute('validUntil', gmdate('Y-m-d\TH:i:s\Z', $this->validUntil));
        }

        if (isset($this->cacheDuration)) {
            $e->setAttribute('cacheDuration', $this->cacheDuration);
        }

        Extensions::addList($e, $this->Extensions);

        Utils::addStrings($e, Constants::NS_MD, 'md:AffiliateMember', false, $this->AffiliateMember);

        foreach ($this->KeyDescriptor as $kd) {
            $kd->toXML($e);
        }

        $this->signElement($e, $e->firstChild);

        return $e;
    }
}