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<?php |
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namespace SAML2\XML\saml; |
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use SAML2\Constants; |
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use SAML2\Utils; |
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/** |
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* Class representing SAML 2 SubjectConfirmation element. |
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* |
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* @package SimpleSAMLphp |
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*/ |
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class SubjectConfirmation |
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{ |
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/** |
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* The method we can use to verify this Subject. |
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* |
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* @var string |
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*/ |
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public $Method; |
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/** |
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* The NameID of the entity that can use this element to verify the Subject. |
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* |
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* @var \SAML2\XML\saml\NameID|null |
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*/ |
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public $NameID; |
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/** |
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* SubjectConfirmationData element with extra data for verification of the Subject. |
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* |
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* @var \SAML2\XML\saml\SubjectConfirmationData|null |
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*/ |
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public $SubjectConfirmationData; |
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/** |
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* Initialize (and parse? a SubjectConfirmation element. |
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* |
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* @param \DOMElement|null $xml The XML element we should load. |
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* @throws \Exception |
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*/ |
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public function __construct(\DOMElement $xml = null) |
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{ |
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if ($xml === null) { |
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return; |
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} |
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if (!$xml->hasAttribute('Method')) { |
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throw new \Exception('SubjectConfirmation element without Method attribute.'); |
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} |
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$this->Method = $xml->getAttribute('Method'); |
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$nid = Utils::xpQuery($xml, './saml_assertion:NameID'); |
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if (count($nid) > 1) { |
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throw new \Exception('More than one NameID in a SubjectConfirmation element.'); |
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} elseif (!empty($nid)) { |
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$this->NameID = new NameID($nid[0]); |
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} |
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$scd = Utils::xpQuery($xml, './saml_assertion:SubjectConfirmationData'); |
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if (count($scd) > 1) { |
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throw new \Exception('More than one SubjectConfirmationData child in a SubjectConfirmation element.'); |
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} elseif (!empty($scd)) { |
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$this->SubjectConfirmationData = new SubjectConfirmationData($scd[0]); |
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} |
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} |
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/** |
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* Convert this element to XML. |
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* |
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* @param \DOMElement $parent The parent element we should append this element to. |
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* @return \DOMElement This element, as XML. |
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*/ |
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public function toXML(\DOMElement $parent) |
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{ |
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assert(is_string($this->Method)); |
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assert(is_null($this->NameID) || $this->NameID instanceof NameID); |
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assert(is_null($this->SubjectConfirmationData) || $this->SubjectConfirmationData instanceof SubjectConfirmationData); |
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$e = $parent->ownerDocument->createElementNS(Constants::NS_SAML, 'saml:SubjectConfirmation'); |
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$parent->appendChild($e); |
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$e->setAttribute('Method', $this->Method); |
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if (isset($this->NameID)) { |
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$this->NameID->toXML($e); |
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} |
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if (isset($this->SubjectConfirmationData)) { |
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$this->SubjectConfirmationData->toXML($e); |
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} |
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return $e; |
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} |
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} |
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simplesamlphp /
saml2
