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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\WSSecurity\XML\wsp; |
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use DOMElement; |
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use SimpleSAML\WSSecurity\Assert\Assert; |
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use SimpleSAML\WSSecurity\Constants as C; |
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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 SimpleSAML\XML\ExtendableAttributesTrait; |
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use SimpleSAML\XML\{SchemaValidatableElementInterface, SchemaValidatableElementTrait}; |
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use SimpleSAML\XML\XsNamespace as NS; |
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/** |
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* Class defining the Policy element |
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* |
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* @package simplesamlphp/ws-security |
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*/ |
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final class Policy extends AbstractOperatorContentType implements SchemaValidatableElementInterface |
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{ |
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use ExtendableAttributesTrait; |
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use SchemaValidatableElementTrait; |
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/** The namespace-attribute for the xs:anyAttribute element */ |
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public const XS_ANY_ATTR_NAMESPACE = NS::ANY; |
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/** |
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* Initialize a wsp:Policy |
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* |
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* @param string|null $Name |
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* @param \SimpleSAML\XML\Attribute|null $Id |
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* @param (\SimpleSAML\WSSecurity\XML\wsp\All| |
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* \SimpleSAML\WSSecurity\XML\wsp\ExactlyOne| |
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* \SimpleSAML\WSSecurity\XML\wsp\Policy| |
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* \SimpleSAML\WSSecurity\XML\wsp\PolicyReference)[] $operatorContent |
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* @param \SimpleSAML\XML\Chunk[] $children |
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* @param \SimpleSAML\XML\Attribute[] $namespacedAttributes |
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*/ |
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public function __construct( |
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protected ?string $Name = null, |
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protected ?XMLAttribute $Id = null, |
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array $operatorContent = [], |
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array $children = [], |
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array $namespacedAttributes = [], |
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) { |
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Assert::nullOrValidURI($Name, SchemaViolationException::class); |
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if ($Id !== null) { |
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Assert::validNCName($Id->getAttrValue(), SchemaViolationException::class); |
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} |
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$this->setAttributesNS($namespacedAttributes); |
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parent::__construct($operatorContent, $children); |
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} |
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/** |
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* @return \SimpleSAML\XML\Attribute|null |
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*/ |
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public function getId(): ?XMLAttribute |
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{ |
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return $this->Id; |
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} |
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/** |
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* @return string|null |
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*/ |
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public function getName(): ?string |
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{ |
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return $this->Name; |
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} |
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/** |
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* Test if an object, at the state it's in, would produce an empty XML-element |
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* |
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* @return bool |
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*/ |
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final public function isEmptyElement(): bool |
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{ |
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return empty($this->getName()) |
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&& empty($this->getId()) |
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&& empty($this->getAttributesNS()) |
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&& parent::isEmptyElement(); |
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} |
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/* |
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* Convert XML into an wsp:Policy element |
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* |
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* @param \DOMElement $xml The XML element we should load |
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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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#[\Override] |
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public static function fromXML(DOMElement $xml): static |
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{ |
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Assert::same($xml->localName, static::getLocalName(), InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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$Id = null; |
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if ($xml->hasAttributeNS(C::NS_SEC_UTIL, 'Id')) { |
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$Id = new XMLAttribute(C::NS_SEC_UTIL, 'wsu', 'Id', $xml->getAttributeNS(C::NS_SEC_UTIL, 'Id')); |
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} |
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$namespacedAttributes = self::getAttributesNSFromXML($xml); |
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foreach ($namespacedAttributes as $i => $attr) { |
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if ($attr->getNamespaceURI() === null) { |
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if ($attr->getAttrName() === 'Name') { |
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unset($namespacedAttributes[$i]); |
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break; |
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} |
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} elseif ($attr->getNamespaceURI() === C::NS_SEC_UTIL) { |
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if ($attr->getAttrName() === 'Id') { |
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unset($namespacedAttributes[$i]); |
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break; |
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} |
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} |
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} |
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$operatorContent = $children = []; |
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for ($n = $xml->firstChild; $n !== null; $n = $n->nextSibling) { |
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if (!($n instanceof DOMElement)) { |
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continue; |
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} elseif ($n->namespaceURI !== self::NS) { |
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$children[] = new Chunk($n); |
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continue; |
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} |
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$operatorContent[] = match ($n->localName) { |
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'All' => All::fromXML($n), |
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'ExactlyOne' => ExactlyOne::fromXML($n), |
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'Policy' => Policy::fromXML($n), |
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'PolicyReference' => PolicyReference::fromXML($n), |
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default => null, |
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}; |
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} |
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return new static( |
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self::getOptionalAttribute($xml, 'Name', null), |
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$Id, |
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$operatorContent, |
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$children, |
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$namespacedAttributes, |
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); |
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} |
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/** |
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* Convert this wsp:Policy to XML. |
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* |
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* @param \DOMElement|null $parent The element we should add this wsp:Policy to |
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* @return \DOMElement This wsp:Policy element. |
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*/ |
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public function toXML(?DOMElement $parent = null): DOMElement |
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{ |
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$e = parent::toXML($parent); |
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if ($this->getName() !== null) { |
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$e->setAttribute('Name', $this->getName()); |
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} |
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$this->getId()?->toXML($e); |
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foreach ($this->getAttributesNS() as $attr) { |
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$attr->toXML($e); |
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} |
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return $e; |
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} |
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} |
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