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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\samlp; |
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use DOMElement; |
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use SAML2\Utils; |
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use SAML2\XML\ds\Signature; |
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use SAML2\XML\saml\Attribute; |
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use SAML2\XML\saml\Issuer; |
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use SAML2\XML\saml\Subject; |
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use Webmozart\Assert\Assert; |
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/** |
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* Class for SAML 2 attribute query messages. |
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* |
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* An attribute query asks for a set of attributes. The following |
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* rules apply: |
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* |
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* - If no attributes are present in the query, all attributes should be |
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* returned. |
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* - If any attributes are present, only those attributes which are present |
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* in the query should be returned. |
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* - If an attribute contains any attribute values, only the attribute values |
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* which match those in the query should be returned. |
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* |
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* @package SimpleSAMLphp |
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*/ |
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class AttributeQuery extends AbstractSubjectQuery |
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{ |
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/** |
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* The attributes, as an associative array. |
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* |
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* @var \SAML2\XML\saml\Attribute[] |
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*/ |
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protected $attributes = []; |
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/** |
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* Constructor for SAML 2 AttributeQuery. |
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* |
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* @param \SAML2\XML\saml\Subject $subject |
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* @param \SAML2\XML\saml\Attribute[] $attributes |
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* @param \SAML2\XML\saml\Issuer $issuer |
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* @param string $id |
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* @param int $issueInstant |
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* @param string|null $destination |
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* @param string|null $consent |
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* @param \SAML2\XML\samlp\Extensions $extensions |
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*/ |
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public function __construct( |
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Subject $subject, |
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array $attributes = [], |
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?Issuer $issuer = null, |
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?string $id = null, |
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?int $issueInstant = null, |
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?string $destination = null, |
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?string $consent = null, |
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?Extensions $extensions = null |
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) { |
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parent::__construct($subject, $issuer, $id, $issueInstant, $destination, $consent, $extensions); |
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$this->setAttributes($attributes); |
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} |
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/** |
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* Retrieve all requested attributes. |
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* |
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* @return \SAML2\XML\saml\Attribute[] All requested attributes, as an associative array. |
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*/ |
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public function getAttributes(): array |
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{ |
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return $this->attributes; |
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} |
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/** |
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* Set all requested attributes. |
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* |
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* @param \SAML2\XML\saml\Attribute[] $attributes All requested attributes, as an associative array. |
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* @return void |
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*/ |
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public function setAttributes(array $attributes): void |
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{ |
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Assert::allIsInstanceOf($attributes, Attribute::class); |
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$this->attributes = $attributes; |
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} |
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/** |
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* Create a class from XML |
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* |
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* @param \DOMElement $xml |
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* @return self |
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*/ |
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public static function fromXML(DOMElement $xml): object |
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{ |
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Assert::same($xml->localName, 'AttributeQuery'); |
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Assert::same($xml->namespaceURI, AttributeQuery::NS); |
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Assert::same('2.0', self::getAttribute($xml, 'Version')); |
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$id = self::getAttribute($xml, 'ID'); |
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$issueInstant = Utils::xsDateTimeToTimestamp(self::getAttribute($xml, 'IssueInstant')); |
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$destination = self::getAttribute($xml, 'Destination', null); |
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$consent = self::getAttribute($xml, 'Consent', null); |
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$issuer = Issuer::getChildrenOfClass($xml); |
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Assert::countBetween($issuer, 0, 1); |
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$extensions = Extensions::getChildrenOfClass($xml); |
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Assert::maxCount($extensions, 1, 'Only one saml:Extensions element is allowed.'); |
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$subject = Subject::getChildrenOfClass($xml); |
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Assert::notEmpty($subject, 'Missing subject in subject query.'); |
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Assert::maxCount($subject, 1, 'More than one <saml:Subject> in AttributeQuery'); |
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$signature = Signature::getChildrenOfClass($xml); |
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Assert::maxCount($signature, 1, 'Only one ds:Signature element is allowed.'); |
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$request = new self( |
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array_pop($subject), |
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Attribute::getChildrenOfClass($xml), |
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array_pop($issuer), |
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$id, |
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$issueInstant, |
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$destination, |
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$consent, |
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array_pop($extensions) |
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); |
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if (!empty($signature)) { |
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$request->setSignature($signature[0]); |
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} |
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return $request; |
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} |
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/** |
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* Convert the attribute query message to an XML element. |
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* |
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* @return \DOMElement This attribute query. |
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*/ |
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public function toXML(?DOMElement $parent = null): DOMElement |
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{ |
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$parent = parent::toXML($parent); |
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foreach ($this->attributes as $attribute) { |
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$attribute->toXML($parent); |
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} |
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return $this->signElement($parent); |
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} |
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} |
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simplesamlphp /
saml2
