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<?php |
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namespace OMSAML2; |
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use DOMElement; |
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use InvalidArgumentException; |
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use SAML2\Utils; |
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/** |
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* Class implementing samlp(urn:oasis:names:tc:SAML:2.0:protocol):Extensions with (http://eidas.europa.eu/saml-extensions) |
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* eidas:SPType and eidas:RequestedAttributes, for simplesamlphp/saml2 library |
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* |
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* @package OMSAML2 |
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*/ |
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class SamlpExtensions |
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{ |
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const NAME_FORMAT_URI = 'urn:oasis:names:tc:SAML:2.0:attrname-format:uri'; |
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public static $ATTR_PERSON_IDENTIFIER = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/PersonIdentifier' |
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]; |
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public static $ATTR_CURRENT_GIVEN_NAME = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/CurrentGivenName' |
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]; |
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public static $ATTR_CURRENT_FAMILY_NAME = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/CurrentFamilyName' |
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]; |
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public static $ATTR_CURRENT_ADDRESS = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/CurrentAddress' |
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]; |
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public static $ATTR_DATE_OF_BIRTH = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/DateOfBirth' |
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]; |
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public static $ATTR_PLACE_OF_BIRTH = [ |
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'Name' => 'http://eidas.europa.eu/attributes/naturalperson/PlaceOfBirth' |
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]; |
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public static $ATTR_COUNTRY_CODE_OF_BIRTH = [ |
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'Name' => 'http://www.stork.gov.eu/1.0/countryCodeOfBirth' |
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]; |
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public static $ATTR_EMAIL = [ |
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'Name' => 'http://www.stork.gov.eu/1.0/eMail' |
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]; |
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public static $ATTR_AGE = [ |
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'Name' => 'http://www.stork.gov.eu/1.0/age' |
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]; |
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public static $ATTR_IS_AGE_OVER_18 = [ |
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'Name' => 'http://www.stork.gov.eu/1.0/isAgeOver', |
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'AttributeValue' => 18 |
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]; |
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public static $ATTR_CZMORIS_PHONE_NUMBER = [ |
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'Name' => 'http://schemas.eidentity.cz/moris/2016/identity/claims/phonenumber' |
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]; |
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public static $ATTR_CZMORIS_TR_ADRESA_ID = [ |
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'Name' => 'http://schemas.eidentita.cz/moris/2016/identity/claims/tradresaid' |
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]; |
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public static $ATTR_CZMORIS_ID_TYPE = [ |
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'Name' => 'http://schemas.eidentita.cz/moris/2016/identity/claims/idtype' |
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]; |
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public static $ATTR_CZMORIS_ID_NUMBER = [ |
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'Name' => 'http://schemas.eidentita.cz/moris/2016/identity/claims/idnumber' |
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]; |
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private $dom = false; |
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private $sptype = 'public'; |
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private $requested_attributes = []; |
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/** |
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* You should use existing (ie. AuthRequest) DOMElement, to which, as children, |
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* will the samlp:Extensions with relevant data be added |
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* |
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* @param DOMElement $dom |
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*/ |
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public function __construct(DOMelement $dom) |
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{ |
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$this->dom = $dom; |
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} |
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public function getSPType(): string |
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{ |
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return $this->sptype; |
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} |
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/** |
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* Allowed values for SPType (Service Provider Type) are "public" and "private", |
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* invalid values will be replaced by default value "public" |
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* |
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* @param string $sptype |
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* @return SamlpExtensions |
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*/ |
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public function setSPType(string $sptype): SamlpExtensions |
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{ |
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$this->sptype = in_array($sptype, ['public', 'private']) ? $sptype : 'public'; |
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return $this; |
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} |
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public function addRequestedAttributeParams(string $Name, ?string $NameFormat = self::NAME_FORMAT_URI, bool $isRequired = false, $AttributeValue = null): SamlpExtensions |
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{ |
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return $this->addRequestedAttribute([ |
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'Name' => $Name, |
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'NameFormat' => $NameFormat, |
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'isRequired' => $isRequired, |
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'AttributeValue' => $AttributeValue |
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]); |
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} |
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/** |
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* Adds requested attribute by single array definition, array must contain only 'Name' key with string value, all other keys are optional |
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* Defaults are NameFormat=${NAME_FORMAT_URI} isRequired=false and no AttributeValue |
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* |
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* @param array $attribute |
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* @return SamlpExtensions |
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* @throws InvalidArgumentException if any required argument is missing or if provided argument type is invalid |
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*/ |
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public function addRequestedAttribute(array $attribute): SamlpExtensions |
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{ |
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if (empty($attribute['Name'])) { |
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throw new InvalidArgumentException("Required attribute Name is missing"); |
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} else if (!is_string($attribute['Name'])) { |
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throw new InvalidArgumentException("Attribute Name must be string"); |
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} |
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if (!empty($attribute['NameFormat']) && !is_string($attribute['NameFormat'])) { |
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throw new InvalidArgumentException("Attribute NameFormat must be string"); |
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} |
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if (!empty($attribute['isRequired']) && !is_bool($attribute['isRequired'])) { |
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throw new InvalidArgumentException("Attribute isRequired must be boolean"); |
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} |
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if (!empty($attribute['AttributeValue']) && !is_scalar($attribute['AttributeValue'])) { |
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throw new InvalidArgumentException("AttributeValue should be primitive type, such as string, number or boolean"); |
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} |
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// set default values for not-defined attributes |
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if (empty($attribute['NameFormat'])) { |
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$attribute['NameFormat'] = self::NAME_FORMAT_URI; |
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} |
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if (empty($attribute['isRequired'])) { |
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$attribute['isRequired'] = false; |
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} |
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// add to queue |
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$this->requested_attributes[] = $attribute; |
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// return $this for chaining |
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return $this; |
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} |
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/** |
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* Adds all pre-defined attributes (from ${getAllDefaultAttributes}) to attributes, |
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* that should be added into DOMElement later (using ${toXML}) |
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* |
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* @return SamlpExtensions |
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* @see toXML |
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* @see getAllDefaultAttributes |
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*/ |
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public function addAllDefaultAttributes(): SamlpExtensions |
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{ |
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foreach ($this->getAllDefaultAttributes() as $attrArray) { |
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$this->addRequestedAttribute($attrArray); |
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} |
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return $this; |
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} |
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/** |
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* Returns array of all pre-defined attributes, |
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* each attribute as an array compatible with this class method ${addRequestedAttribute} |
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* |
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* @return array |
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* @see addRequestedAttribute |
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*/ |
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public function getAllDefaultAttributes(): array |
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{ |
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return [ |
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self::$ATTR_AGE, |
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self::$ATTR_COUNTRY_CODE_OF_BIRTH, |
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self::$ATTR_CURRENT_ADDRESS, |
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self::$ATTR_CURRENT_FAMILY_NAME, |
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self::$ATTR_CURRENT_GIVEN_NAME, |
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self::$ATTR_DATE_OF_BIRTH, |
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self::$ATTR_EMAIL, |
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self::$ATTR_IS_AGE_OVER_18, |
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self::$ATTR_PERSON_IDENTIFIER, |
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self::$ATTR_CZMORIS_ID_NUMBER, |
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self::$ATTR_CZMORIS_ID_TYPE, |
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self::$ATTR_CZMORIS_TR_ADRESA_ID, |
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self::$ATTR_CZMORIS_PHONE_NUMBER, |
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self::$ATTR_PLACE_OF_BIRTH |
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]; |
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} |
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public function toXML(): DOMElement |
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{ |
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// will throw TypeError on empty or non-compatible $this->dom value |
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$dom = Utils::copyElement($this->dom); |
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$doc = $dom->ownerDocument; |
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$extensions = $doc->createElementNS('urn:oasis:names:tc:SAML:2.0:protocol', 'samlp:Extensions'); |
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// set SPType always |
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$sptype = $doc->createElementNS('http://eidas.europa.eu/saml-extensions', 'eidas:SPType'); |
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$sptype->nodeValue = $this->sptype; |
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$extensions->appendChild($sptype); |
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// set eidas:RequestedAttributes if any defined |
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if (!empty($this->getRequestedAttributes())) { |
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$requested_attributes = $doc->createElementNS('http://eidas.europa.eu/saml-extensions', 'eidas:RequestedAttributes'); |
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foreach ($this->getRequestedAttributes() as $attrArray) { |
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$attrElement = $doc->createElementNS('http://eidas.europa.eu/saml-extensions', 'eidas:RequestedAttribute'); |
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$attrElement->setAttribute('Name', $attrArray['Name']); |
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$attrElement->setAttribute('isRequired', $attrArray['isRequired'] ? 'true' : 'false'); |
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$attrElement->setAttribute('NameFormat', $attrArray['NameFormat']); |
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if (isset($attrArray['AttributeValue']) && (!empty($attrArray['AttributeValue']) || $attrArray['AttributeValue'] === false)) { |
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$attrValueElement = $doc->createElementNS('http://eidas.europa.eu/saml-extensions', 'eidas:AttributeValue'); |
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$attrValueElement->nodeValue = (string)$attrArray['AttributeValue']; |
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$attrElement->appendChild($attrValueElement); |
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} |
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$requested_attributes->appendChild($attrElement); |
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} |
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$extensions->appendChild($requested_attributes); |
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} |
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$dom->appendChild($extensions); |
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return Utils::copyElement($dom); |
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} |
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/** |
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* Return currently queued RequestedAttributes in form of array configuration |
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* |
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* @return array |
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*/ |
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public function getRequestedAttributes(): array |
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{ |
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return $this->requested_attributes; |
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} |
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/** |
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* Removes all queued RequestedAttributes |
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* |
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* @return SamlpExtensions |
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*/ |
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public function removeAllRequestedAttributes(): SamlpExtensions |
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{ |
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$this->requested_attributes = []; |
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return $this; |
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} |
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} |