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<?php |
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/* |
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* This file is part of the LightSAML-Core package. |
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* |
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* (c) Milos Tomic <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace LightSaml\Model\Metadata; |
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use LightSaml\Error\LightSamlXmlException; |
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use LightSaml\Model\Context\DeserializationContext; |
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use LightSaml\Model\Context\SerializationContext; |
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use LightSaml\Model\AbstractSamlModel; |
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use LightSaml\SamlConstants; |
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use LightSaml\Credential\X509Certificate; |
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class KeyDescriptor extends AbstractSamlModel |
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{ |
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const USE_SIGNING = 'signing'; |
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const USE_ENCRYPTION = 'encryption'; |
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/** @var string */ |
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protected $use; |
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/** @var X509Certificate */ |
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private $certificate; |
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/** |
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* @param string|null $use |
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* @param X509Certificate|null $certificate |
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*/ |
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public function __construct($use = null, X509Certificate $certificate = null) |
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{ |
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$this->use = $use; |
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$this->certificate = $certificate; |
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} |
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/** |
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* @param string $use |
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* |
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* @return KeyDescriptor |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public function setUse($use) |
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{ |
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$use = trim($use); |
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if (false != $use && self::USE_ENCRYPTION != $use && self::USE_SIGNING != $use) { |
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throw new \InvalidArgumentException(sprintf("Invalid use value '%s'", $use)); |
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} |
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$this->use = $use; |
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return $this; |
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} |
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/** |
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* @return string |
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*/ |
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public function getUse() |
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{ |
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return $this->use; |
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} |
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/** |
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* @param X509Certificate $certificate |
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* |
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* @return KeyDescriptor |
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*/ |
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public function setCertificate(X509Certificate $certificate) |
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{ |
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$this->certificate = $certificate; |
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return $this; |
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} |
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/** |
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* @return X509Certificate |
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*/ |
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public function getCertificate() |
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{ |
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return $this->certificate; |
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} |
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/** |
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* @param \DOMNode $parent |
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* @param SerializationContext $context |
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* |
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* @return void |
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*/ |
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public function serialize(\DOMNode $parent, SerializationContext $context) |
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{ |
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$result = $this->createElement('KeyDescriptor', SamlConstants::NS_METADATA, $parent, $context); |
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$this->attributesToXml(array('use'), $result); |
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$keyInfo = $this->createElement('ds:KeyInfo', SamlConstants::NS_XMLDSIG, $result, $context); |
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$xData = $this->createElement('ds:X509Data', SamlConstants::NS_XMLDSIG, $keyInfo, $context); |
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$xCert = $this->createElement('ds:X509Certificate', SamlConstants::NS_XMLDSIG, $xData, $context); |
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$xCert->nodeValue = $this->getCertificate()->getData(); |
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} |
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/** |
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* @param \DOMNode $node |
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* @param DeserializationContext $context |
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*/ |
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public function deserialize(\DOMNode $node, DeserializationContext $context) |
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{ |
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$this->checkXmlNodeName($node, 'KeyDescriptor', SamlConstants::NS_METADATA); |
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$this->attributesFromXml($node, array('use')); |
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$list = $context->getXpath()->query('./ds:KeyInfo/ds:X509Data/ds:X509Certificate', $node); |
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if (1 != $list->length) { |
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throw new LightSamlXmlException('Missing X509Certificate node'); |
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} |
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/** @var $x509CertificateNode \DOMElement */ |
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$x509CertificateNode = $list->item(0); |
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$certificateData = trim($x509CertificateNode->textContent); |
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if (false == $certificateData) { |
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throw new LightSamlXmlException('Missing certificate data'); |
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} |
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$this->certificate = new X509Certificate(); |
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$this->certificate->setData($certificateData); |
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} |
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} |
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thephplab /
lightsaml
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