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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\XML\saml; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\SAML2\Constants as C; |
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use SimpleSAML\SAML2\Utils; |
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use SimpleSAML\SAML2\XML\ExtensionPointInterface; |
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use SimpleSAML\SAML2\XML\ExtensionPointTrait; |
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use SimpleSAML\SAML2\XML\saml\Statement; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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use SimpleSAML\XML\Exception\SchemaViolationException; |
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use function count; |
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use function explode; |
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/** |
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* Class implementing the <saml:Statement> extension point. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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abstract class Statement extends AbstractStatementType implements ExtensionPointInterface |
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{ |
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use ExtensionPointTrait; |
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/** @var string */ |
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public const LOCALNAME = 'Statement'; |
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/** |
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* Convert an XML element into a Statement. |
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* |
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* @param \DOMElement $xml The root XML element |
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* @return \SimpleSAML\SAML2\XML\saml\Statement The condition |
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* |
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* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException if the qualified name of the supplied element is wrong |
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*/ |
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public static function fromXML(DOMElement $xml): object |
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{ |
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Assert::same($xml->localName, 'Statement', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, C::NS_SAML, InvalidDOMElementException::class); |
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Assert::true( |
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$xml->hasAttributeNS(C::NS_XSI, 'type'), |
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'Missing required xsi:type in <saml:Statement> element.', |
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SchemaViolationException::class |
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); |
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$type = $xml->getAttributeNS(C::NS_XSI, 'type'); |
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Assert::validQName($type, SchemaViolationException::class); |
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$qname = explode(':', $type, 2); |
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if (count($qname) === 2) { |
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list($prefix, $element) = $qname; |
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} else { |
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$prefix = null; |
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list($element) = $qname; |
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} |
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$ns = $xml->lookupNamespaceUri($prefix); |
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$handler = Utils::getContainer()->getElementHandler($ns, $element); |
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Assert::notNull($handler, 'Unknown Statement type `' . $type . '`.'); |
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Assert::isAOf($handler, Statement::class); |
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return $handler::fromXML($xml); |
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} |
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/** |
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* Convert this Statement to XML. |
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* |
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* @param \DOMElement $parent The element we are converting to XML. |
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* @return \DOMElement The XML element after adding the data corresponding to this Statement. |
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*/ |
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public function toXML(DOMElement $parent = null): DOMElement |
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{ |
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$e = $this->instantiateParentElement($parent); |
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$e->setAttribute('xmlns:' . static::NS_XSI_TYPE_PREFIX, static::NS_XSI_TYPE_NAMESPACE); |
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$e->setAttributeNS(C::NS_XSI, 'xsi:type', static::getXsiType()); |
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return $e; |
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} |
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} |
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simplesamlphp /
saml2
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