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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\SAML11\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, ExtensionPointTrait}; |
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use SimpleSAML\SAML11\XML\saml\Subject; |
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use SimpleSAML\XML\Chunk; |
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use SimpleSAML\XML\Exception\{ |
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InvalidDOMElementException, |
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MissingElementException, |
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SchemaViolationException, |
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TooManyElementsException, |
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}; |
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use SimpleSAML\XML\{SchemaValidatableElementInterface, SchemaValidatableElementTrait}; |
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use SimpleSAML\XML\Type\QNameValue; |
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use function array_pop; |
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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 AbstractSubjectQuery extends AbstractSubjectQueryAbstractType implements |
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ExtensionPointInterface, |
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SchemaValidatableElementInterface |
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{ |
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use ExtensionPointTrait; |
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use SchemaValidatableElementTrait; |
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/** @var string */ |
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public const LOCALNAME = 'SubjectQuery'; |
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/** |
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* Initialize a custom samlp:SubjectQuery element. |
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* |
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* @param \SimpleSAML\XML\Type\QNameValue $type |
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*/ |
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protected function __construct( |
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protected QNameValue $type, |
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Subject $subject, |
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) { |
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parent::__construct($subject); |
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} |
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/** |
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* Convert an XML element into a SubjectQuery. |
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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, 'SubjectQuery', 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:SubjectQuery> element.', |
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SchemaViolationException::class, |
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); |
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$type = QNameValue::fromDocument($xml->getAttributeNS(C::NS_XSI, 'type'), $xml); |
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// now check if we have a handler registered for it |
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$handler = Utils::getContainer()->getExtensionHandler($type); |
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if ($handler === null) { |
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$subject = Subject::getChildrenOfClass($xml); |
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Assert::minCount($subject, 1, MissingElementException::class); |
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Assert::maxCount($subject, 1, TooManyElementsException::class); |
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// we don't have a handler, proceed with unknown query |
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return new UnknownSubjectQuery(new Chunk($xml), $type, array_pop($subject)); |
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} |
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Assert::subclassOf( |
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$handler, |
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AbstractSubjectQuery::class, |
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'Elements implementing SubjectQuery must extend \SimpleSAML\SAML11\XML\samlp\AbstractSubjectQuery.', |
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); |
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return $handler::fromXML($xml); |
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} |
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} |
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simplesamlphp /
saml11
