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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\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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use function str_replace; |
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/** |
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* Class defining the PolicyReference element |
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* |
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* @package simplesamlphp/ws-security |
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*/ |
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final class PolicyReference extends AbstractWspElement 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:PolicyReference |
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* |
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* @param string $URI |
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* @param string|null $Digest |
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* @param string $DigestAlgorithm |
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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 $URI, |
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protected ?string $Digest = null, |
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protected ?string $DigestAlgorithm = 'http://schemas.xmlsoap.org/ws/2004/09/policy/Sha1Exc', |
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array $namespacedAttributes = [], |
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) { |
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Assert::validURI($URI, SchemaViolationException::class); |
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Assert::nullOrValidBase64($Digest, SchemaViolationException::class); |
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Assert::nullOrValidURI($DigestAlgorithm, SchemaViolationException::class); |
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$this->setAttributesNS($namespacedAttributes); |
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} |
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/** |
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* @return string |
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*/ |
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public function getURI(): string |
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{ |
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return $this->URI; |
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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 getDigest(): ?string |
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{ |
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return $this->Digest ? str_replace(["\f", "\r", "\n", "\t", "\v", ' '], '', $this->Digest) : null; |
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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 getDigestAlgorithm(): ?string |
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{ |
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return $this->DigestAlgorithm; |
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} |
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/* |
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* Convert XML into an wsp:PolicyReference 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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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($xml->namespaceURI, static::NS, InvalidDOMElementException::class); |
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$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 ($attr->getAttrName() === 'URI') { |
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unset($namespacedAttributes[$i]); |
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continue; |
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} elseif ($attr->getAttrName() === 'Digest') { |
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unset($namespacedAttributes[$i]); |
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continue; |
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} elseif ($attr->getAttrName() === 'DigestAlgorithm') { |
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unset($namespacedAttributes[$i]); |
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continue; |
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} |
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} |
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} |
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return new static( |
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self::getAttribute($xml, 'URI'), |
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self::getOptionalAttribute($xml, 'Digest', null), |
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self::getOptionalAttribute($xml, 'DigestAlgorithm', null), |
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$namespacedAttributes, |
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); |
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} |
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/** |
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* Convert this wsp:PolicyReference 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:PolicyReference 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 = $this->instantiateParentElement($parent); |
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$e->setAttribute('URI', $this->getURI()); |
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if ($this->getDigest() !== null) { |
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$e->setAttribute('Digest', $this->getDigest()); |
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} |
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if ($this->getDigestAlgorithm() !== null) { |
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$e->setAttribute('DigestAlgorithm', $this->getDigestAlgorithm()); |
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} |
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foreach ($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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simplesamlphp /
ws-security
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