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<?php |
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declare(strict_types=1); |
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namespace SAML2\XML\xenc; |
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use DOMElement; |
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use SAML2\Utils; |
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use Webmozart\Assert\Assert; |
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/** |
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* Class representing <xenc:CipherData>. |
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* |
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* @package simplesamlphp/saml2 |
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*/ |
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class CipherData extends AbstractXencElement |
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{ |
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/** @var string */ |
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protected $cipherValue; |
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/** |
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* CipherData constructor. |
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* |
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* @param string $cipherValue |
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*/ |
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public function __construct(string $cipherValue) |
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{ |
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$this->setCipherValue($cipherValue); |
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} |
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/** |
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* Get the string value of the <xenc:CipherValue> element inside this CipherData object. |
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* |
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* @return string |
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*/ |
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public function getCipherValue(): string |
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{ |
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return $this->cipherValue; |
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} |
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/** |
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* @param string $cipherValue |
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*/ |
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protected function setCipherValue(string $cipherValue) |
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{ |
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Assert::regex($cipherValue, '/[a-zA-Z0-9_\-=\+\/]/', 'Invalid data in <xenc:CipherValue>.'); |
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$this->cipherValue = $cipherValue; |
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} |
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/** |
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* @inheritDoc |
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* @throws \Exception |
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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, 'CipherData'); |
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Assert::same($xml->namespaceURI, CipherData::NS); |
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$cv = Utils::xpQuery($xml, './xenc:CipherValue'); |
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Assert::notEmpty($cv, 'Missing CipherValue element in <xenc:CipherData>'); |
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Assert::count($cv, 1, 'More than one CipherValue element in <xenc:CipherData'); |
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return new self($cv[0]->textContent); |
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} |
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/** |
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* @inheritDoc |
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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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$cv = $e->ownerDocument->createElementNS($this::NS, $this::NS_PREFIX . ':CipherValue'); |
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$cv->textContent = $this->cipherValue; |
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$e->appendChild($cv); |
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return $e; |
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} |
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} |
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simplesamlphp /
saml2
