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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\XMLSecurity\XML\ds; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\XML\Chunk; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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use SimpleSAML\XMLSecurity\Constants as C; |
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use SimpleSAML\XMLSecurity\Exception\InvalidArgumentException; |
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use SimpleSAML\XMLSecurity\XML\dsig11\KeyInfoReference; |
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use SimpleSAML\XMLSecurity\XML\xenc\EncryptedData; |
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use SimpleSAML\XMLSecurity\XML\xenc\EncryptedKey; |
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/** |
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* Class representing a ds:KeyInfo element. |
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* |
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* @package simplesamlphp/xml-security |
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*/ |
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final class KeyInfo extends AbstractDsElement |
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{ |
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/** |
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* Initialize a KeyInfo element. |
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* |
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* @param list<\SimpleSAML\XML\Chunk| |
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* \SimpleSAML\XMLSecurity\XML\ds\KeyName| |
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* \SimpleSAML\XMLSecurity\XML\ds\KeyValue| |
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* \SimpleSAML\XMLSecurity\XML\ds\RetrievalMethod| |
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* \SimpleSAML\XMLSecurity\XML\ds\X509Data| |
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* \SimpleSAML\XMLSecurity\XML\dsig11\KeyInfoReference| |
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* \SimpleSAML\XMLSecurity\XML\xenc\EncryptedData| |
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* \SimpleSAML\XMLSecurity\XML\xenc\EncryptedKey> $info |
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* @param string|null $Id |
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*/ |
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public function __construct( |
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protected array $info, |
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protected ?string $Id = null, |
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) { |
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Assert::notEmpty($info, 'ds:KeyInfo cannot be empty', InvalidArgumentException::class); |
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Assert::allIsInstanceOfAny( |
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$info, |
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[ |
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Chunk::class, |
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KeyName::class, |
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KeyValue::class, |
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RetrievalMethod::class, |
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X509Data::class, |
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EncryptedData::class, |
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EncryptedKey::class, |
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], |
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'KeyInfo can only contain instances of KeyName, X509Data, EncryptedKey or Chunk.', |
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InvalidArgumentException::class, |
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); |
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Assert::nullOrValidNCName($Id); |
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} |
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/** |
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* Collect the value of the Id-property |
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* |
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* @return string|null |
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*/ |
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public function getId(): ?string |
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{ |
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return $this->Id; |
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} |
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/** |
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* Collect the value of the info-property |
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* |
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* @return (\SimpleSAML\XML\Chunk| |
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* \SimpleSAML\XMLSecurity\XML\ds\KeyName| |
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* \SimpleSAML\XMLSecurity\XML\ds\KeyValue| |
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* \SimpleSAML\XMLSecurity\XML\ds\RetrievalMethod| |
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* \SimpleSAML\XMLSecurity\XML\ds\X509Data| |
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* \SimpleSAML\XMLSecurity\XML\dsig11\KeyInfoReference| |
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* \SimpleSAML\XMLSecurity\XML\xenc\EncryptedData| |
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* \SimpleSAML\XMLSecurity\XML\xenc\EncryptedKey)[] |
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*/ |
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public function getInfo(): array |
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{ |
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return $this->info; |
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} |
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/** |
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* Convert XML into a KeyInfo |
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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, 'KeyInfo', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, KeyInfo::NS, InvalidDOMElementException::class); |
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$Id = self::getAttribute($xml, 'Id', null); |
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$info = []; |
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foreach ($xml->childNodes as $n) { |
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if (!($n instanceof DOMElement)) { |
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continue; |
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} elseif ($n->namespaceURI === C::NS_XDSIG) { |
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$info[] = match ($n->localName) { |
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'KeyName' => KeyName::fromXML($n), |
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'KeyValue' => KeyValue::fromXML($n), |
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'RetrievalMethod' => RetrievalMethod::fromXML($n), |
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'X509Data' => X509Data::fromXML($n), |
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default => new Chunk($n), |
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}; |
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} elseif ($n->namespaceURI === C::NS_XDSIG11) { |
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$info[] = match ($n->localName) { |
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'KeyInfoReference' => KeyInfoReference::fromXML($n), |
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default => new Chunk($n), |
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}; |
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} elseif ($n->namespaceURI === C::NS_XENC) { |
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$info[] = match ($n->localName) { |
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'EncryptedData' => EncryptedData::fromXML($n), |
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'EncryptedKey' => EncryptedKey::fromXML($n), |
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default => new Chunk($n), |
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}; |
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} else { |
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$info[] = new Chunk($n); |
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} |
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} |
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return new static($info, $Id); |
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} |
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/** |
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* Convert this KeyInfo to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append this KeyInfo to. |
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* @return \DOMElement |
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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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if ($this->Id !== null) { |
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$e->setAttribute('Id', $this->getId()); |
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} |
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foreach ($this->info as $n) { |
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$n->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 /
xml-security
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