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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML11\XML\samlp; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\SAML11\Constants as C; |
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use SimpleSAML\SAML11\Utils; |
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use SimpleSAML\SAML11\XML\ExtensionPointInterface; |
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use SimpleSAML\SAML11\XML\ExtensionPointTrait; |
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use SimpleSAML\XML\Attribute as XMLAttribute; |
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use SimpleSAML\XML\Chunk; |
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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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* SAMLP Query data type. |
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* |
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* @package simplesamlphp/saml11 |
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*/ |
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abstract class AbstractQuery extends AbstractQueryAbstractType 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 = 'Query'; |
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/** |
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* Initialize a custom samlp:Query element. |
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* |
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* @param string $type |
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*/ |
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protected function __construct( |
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protected string $type, |
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) { |
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} |
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/** |
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* Convert an XML element into a Query. |
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* |
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* @param \DOMElement $xml The root XML element |
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* @return static |
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* |
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* @throws \SimpleSAML\XML\Exception\InvalidDOMElementException |
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* if the qualified name of the supplied element is wrong |
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*/ |
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public static function fromXML(DOMElement $xml): static |
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{ |
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Assert::same($xml->localName, 'Query', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, C::NS_SAMLP, InvalidDOMElementException::class); |
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Assert::true( |
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$xml->hasAttributeNS(C::NS_XSI, 'type'), |
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'Missing required xsi:type in <samlp:Query> 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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// first, try to resolve the type to a full namespaced version |
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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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$type = ($ns === null) ? $element : implode(':', [$ns, $element]); |
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// now check if we have a handler registered for it |
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$handler = Utils::getContainer()->getExtensionHandler($type); |
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if ($handler === null) { |
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// we don't have a handler, proceed with unknown query |
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return new UnknownQuery(new Chunk($xml), $type); |
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} |
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Assert::subclassOf( |
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$handler, |
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AbstractQuery::class, |
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'Elements implementing Query must extend \SimpleSAML\SAML11\XML\samlp\AbstractQuery.', |
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); |
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return $handler::fromXML($xml); |
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} |
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/** |
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* Convert this Query 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 Query. |
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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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$e->setAttributeNS( |
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'http://www.w3.org/2000/xmlns/', |
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'xmlns:' . static::getXsiTypePrefix(), |
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static::getXsiTypeNamespaceURI(), |
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); |
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$type = new XMLAttribute(C::NS_XSI, 'xsi', 'type', $this->getXsiType()); |
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$type->toXML($e); |
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return $e; |
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} |
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} |
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simplesamlphp /
saml11
