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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\saml; |
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use DOMElement; |
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use SAML2\Constants; |
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use SAML2\XML\AbstractXMLElement; |
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use Webmozart\Assert\Assert; |
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/** |
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* Serializable class representing an AttributeValue. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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class AttributeValue extends AbstractSamlElement |
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{ |
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/** |
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* @var string|int|AbstractXMLElement|null |
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*/ |
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protected $value; |
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/** |
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* Create an AttributeValue. |
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* |
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* @param mixed $value The value of this element. Can be one of: |
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* - string |
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* - int |
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* - null |
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* - \SAML2\XML\AbstractXMLElement |
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* |
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* @throws \InvalidArgumentException if the supplied value is neither a string or a DOMElement |
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*/ |
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public function __construct($value) |
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{ |
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Assert::true( |
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is_string($value) || is_int($value) || is_null($value) || $value instanceof AbstractXMLElement, |
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'Value must be of type "string", "int", "null" or "AbstractXMLElement".' |
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); |
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$this->value = $value; |
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} |
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/** |
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* Get the XSI type of this attribute value. |
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* |
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* @return string |
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*/ |
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public function getXsiType(): string |
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{ |
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switch (gettype($this->value)) { |
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case "integer": |
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return "xs:integer"; |
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case "NULL": |
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return "xs:nil"; |
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case "object": |
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return $this->value::NS_PREFIX . ":" . AbstractXMLElement::getClassName(get_class($this->value)); |
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default: |
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return "xs:string"; |
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} |
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} |
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/** |
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* Get this attribute value. |
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* |
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* @return string|int|\SAML2\XML\AbstractXMLElement|null |
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*/ |
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public function getValue() |
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{ |
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return $this->value; |
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} |
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/** |
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* Convert XML into a AttributeValue |
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* |
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* @param \DOMElement $xml The XML element we should load |
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* |
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* @return \SAML2\XML\saml\AttributeValue |
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* @throws \InvalidArgumentException if the qualified name of the supplied element is wrong |
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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, 'AttributeValue'); |
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Assert::same($xml->namespaceURI, AttributeValue::NS); |
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$value = $xml->textContent; |
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if ( |
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$xml->hasAttributeNS(Constants::NS_XSI, "type") && |
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$xml->getAttributeNS(Constants::NS_XSI, "type") === "xs:integer" |
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) { |
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$value = intval($value); |
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} elseif ( |
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$xml->hasAttributeNS(Constants::NS_XSI, "nil") && |
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($xml->getAttributeNS(Constants::NS_XSI, "nil") === "1" || |
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$xml->getAttributeNS(Constants::NS_XSI, "nil") === "true") |
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) { |
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$value = null; |
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} |
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return new self($value); |
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} |
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/** |
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* Append this attribute value to an element. |
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* |
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* @param \DOMElement|null $parent The element we should append this attribute value to. |
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* |
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* @return \DOMElement The generated AttributeValue 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::instantiateParentElement($parent); |
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$value = $this->value; |
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switch (gettype($this->value)) { |
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case "integer": |
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// make sure that the xs namespace is available in the AttributeValue |
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$e->setAttributeNS('http://www.w3.org/2000/xmlns/', 'xmlns:xs', Constants::NS_XS); |
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$e->setAttributeNS(Constants::NS_XSI, "xsi:type", "xs:integer"); |
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$value = strval($value); |
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break; |
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case "NULL": |
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$e->setAttributeNS(Constants::NS_XSI, "xsi:nil", "1"); |
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$value = ""; |
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break; |
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case "object": |
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$value = $this->value->__toString(); |
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} |
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$e->textContent = $value; |
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return $e; |
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} |
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} |
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simplesamlphp /
saml2
