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<?php |
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declare(strict_types=1); |
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namespace SimpleSAML\SAML2\XML\mdrpi; |
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use DateTimeImmutable; |
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use DOMElement; |
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use SimpleSAML\Assert\Assert; |
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use SimpleSAML\SAML2\Constants as C; |
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use SimpleSAML\SAML2\Exception\ArrayValidationException; |
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use SimpleSAML\SAML2\Exception\ProtocolViolationException; |
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use SimpleSAML\SAML2\XML\md\AbstractLocalizedURI; |
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use SimpleSAML\XML\ArrayizableElementInterface; |
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use SimpleSAML\XML\Exception\InvalidDOMElementException; |
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use function array_change_key_case; |
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use function array_keys; |
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use function preg_replace; |
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/** |
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* Class for handling the mdrpi:PublicationInfo element. |
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* |
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* @link: http://docs.oasis-open.org/security/saml/Post2.0/saml-metadata-rpi/v1.0/saml-metadata-rpi-v1.0.pdf |
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* @package simplesamlphp/saml2 |
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*/ |
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final class PublicationInfo extends AbstractMdrpiElement implements ArrayizableElementInterface |
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{ |
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/** |
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* Create/parse a mdrpi:PublicationInfo element. |
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* |
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* @param string $publisher |
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* @param \DateTimeImmutable|null $creationInstant |
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* @param string|null $publicationId |
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* @param \SimpleSAML\SAML2\XML\mdrpi\UsagePolicy[] $usagePolicy |
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*/ |
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public function __construct( |
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protected string $publisher, |
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protected ?DateTimeImmutable $creationInstant = null, |
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protected ?string $publicationId = null, |
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protected array $usagePolicy = [], |
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) { |
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Assert::nullOrSame($creationInstant?->getTimeZone()->getName(), 'Z', ProtocolViolationException::class); |
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Assert::allIsInstanceOf($usagePolicy, UsagePolicy::class); |
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/** |
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* 2.2.1: There MUST NOT be more than one <mdrpi:UsagePolicy>, |
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* within a given <mdrpi:UsageInfo>, for a given language |
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*/ |
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$languages = array_map( |
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function ($up) { |
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return $up->getLanguage(); |
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}, |
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$usagePolicy, |
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); |
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Assert::uniqueValues( |
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$languages, |
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'There MUST NOT be more than one <mdrpi:UsagePolicy>,' |
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. ' within a given <mdrpi:PublicationInfo>, for a given language', |
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ProtocolViolationException::class, |
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); |
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} |
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/** |
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* Collect the value of the publisher-property |
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* |
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* @return string |
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*/ |
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public function getPublisher(): string |
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{ |
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return $this->publisher; |
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} |
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/** |
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* Collect the value of the creationInstant-property |
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* |
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* @return \DateTimeImmutable|null |
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*/ |
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public function getCreationInstant(): ?DateTimeImmutable |
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{ |
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return $this->creationInstant; |
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} |
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/** |
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* Collect the value of the publicationId-property |
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* |
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* @return string|null |
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*/ |
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public function getPublicationId(): ?string |
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{ |
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return $this->publicationId; |
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} |
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/** |
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* Collect the value of the UsagePolicy-property |
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* |
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* @return \SimpleSAML\SAML2\XML\mdrpi\UsagePolicy[] |
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*/ |
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public function getUsagePolicy(): array |
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{ |
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return $this->usagePolicy; |
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} |
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/** |
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* Convert XML into a PublicationInfo |
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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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* @throws \SimpleSAML\XML\Exception\MissingAttributeException |
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* if the supplied element is missing one of the mandatory attributes |
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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, 'PublicationInfo', InvalidDOMElementException::class); |
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Assert::same($xml->namespaceURI, PublicationInfo::NS, InvalidDOMElementException::class); |
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$publisher = self::getAttribute($xml, 'publisher'); |
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$creationInstant = self::getOptionalAttribute($xml, 'creationInstant', null); |
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// 2.2.1: Time values MUST be expressed in the UTC timezone using the 'Z' timezone identifier |
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if ($creationInstant !== null) { |
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// Strip sub-seconds - See paragraph 1.3.3 of SAML core specifications |
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$creationInstant = preg_replace('/([.][0-9]+Z)$/', 'Z', $creationInstant, 1); |
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Assert::validDateTimeZulu($creationInstant, ProtocolViolationException::class); |
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$creationInstant = new DateTimeImmutable($creationInstant); |
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} |
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$publicationId = self::getOptionalAttribute($xml, 'publicationId', null); |
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$UsagePolicy = UsagePolicy::getChildrenOfClass($xml); |
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return new static($publisher, $creationInstant, $publicationId, $UsagePolicy); |
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} |
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/** |
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* Convert this element to XML. |
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* |
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* @param \DOMElement|null $parent The element we should append 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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$e->setAttribute('publisher', $this->getPublisher()); |
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if ($this->getCreationInstant() !== null) { |
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$e->setAttribute('creationInstant', $this->getCreationInstant()->format(C::DATETIME_FORMAT)); |
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} |
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if ($this->getPublicationId() !== null) { |
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$e->setAttribute('publicationId', $this->getPublicationId()); |
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} |
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foreach ($this->getUsagePolicy() as $up) { |
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$up->toXML($e); |
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} |
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return $e; |
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} |
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/** |
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* Create a class from an array |
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* |
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* @param array $data |
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* @return static |
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*/ |
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public static function fromArray(array $data): static |
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{ |
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$data = self::processArrayContents($data); |
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return new static( |
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$data['publisher'], |
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$data['creationInstant'] ?? null, |
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$data['publicationId'] ?? null, |
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$data['UsagePolicy'] ?? [], |
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); |
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} |
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/** |
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* Validates an array representation of this object and returns the same array with |
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* rationalized keys (casing) and parsed sub-elements. |
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* |
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* @param array $data |
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* @return array $data |
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*/ |
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private static function processArrayContents(array $data): array |
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{ |
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$data = array_change_key_case($data, CASE_LOWER); |
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Assert::allOneOf( |
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array_keys($data), |
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['publisher', 'creationinstant', 'publicationid', 'usagepolicy'], |
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ArrayValidationException::class, |
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); |
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Assert::keyExists($data, 'publisher', ArrayValidationException::class); |
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Assert::string($data['publisher'], ArrayValidationException::class); |
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$retval = ['publisher' => $data['publisher']]; |
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if (array_key_exists('creationinstant', $data)) { |
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Assert::string($data['creationinstant'], ArrayValidationException::class); |
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Assert::validDateTimeZulu($data['creationinstant'], ArrayValidationException::class); |
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$retval['creationInstant'] = new DateTimeImmutable($data['creationinstant']); |
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} |
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if (array_key_exists('publicationid', $data)) { |
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Assert::string($data['publicationid'], ArrayValidationException::class); |
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$retval['publicationId'] = $data['publicationid']; |
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} |
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if (array_key_exists('usagepolicy', $data)) { |
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Assert::isArray($data['usagepolicy'], ArrayValidationException::class); |
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foreach ($data['usagepolicy'] as $lang => $up) { |
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$retval['UsagePolicy'][] = UsagePolicy::fromArray([$lang => $up]); |
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} |
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} |
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return $retval; |
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} |
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/** |
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* Create an array from this class |
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* |
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* @return array |
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*/ |
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public function toArray(): array |
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{ |
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$data = []; |
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$data['publisher'] = $this->getPublisher(); |
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if ($this->getCreationInstant() !== null) { |
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$data['creationInstant'] = $this->getCreationInstant()->format(C::DATETIME_FORMAT); |
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} |
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if ($this->getPublicationId() !== null) { |
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$data['publicationId'] = $this->getPublicationId(); |
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} |
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if (!empty($this->getUsagePolicy())) { |
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$data['UsagePolicy'] = []; |
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foreach ($this->getUsagePolicy() as $up) { |
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$data['UsagePolicy'] = array_merge($data['UsagePolicy'], $up->toArray()); |
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} |
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} |
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return $data; |
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} |
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} |
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