| 1 |  |  | <?php | 
            
                                                                                                            
                            
            
                                    
            
            
                | 2 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 3 |  |  | declare(strict_types=1); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 4 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 5 |  |  | namespace SimpleSAML\SAML2\XML\saml; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 6 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 7 |  |  | use DOMElement; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 8 |  |  | use SimpleSAML\Assert\Assert; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 9 |  |  | use SimpleSAML\SAML2\Compat\ContainerSingleton; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 10 |  |  | use SimpleSAML\SAML2\Constants as C; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 11 |  |  | use SimpleSAML\SAML2\Utils; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 12 |  |  | use SimpleSAML\SAML2\XML\ExtensionPointInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 13 |  |  | use SimpleSAML\SAML2\XML\ExtensionPointTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 14 |  |  | use SimpleSAML\SAML2\XML\IDNameQualifiersTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 15 |  |  | use SimpleSAML\XML\Chunk; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 16 |  |  | use SimpleSAML\XML\Exception\InvalidDOMElementException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 17 |  |  | use SimpleSAML\XML\Exception\SchemaViolationException; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 18 |  |  | use SimpleSAML\XMLSecurity\Backend\EncryptionBackend; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 19 |  |  | use SimpleSAML\XMLSecurity\XML\EncryptableElementInterface; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 20 |  |  | use SimpleSAML\XMLSecurity\XML\EncryptableElementTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 21 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 22 |  |  | use function count; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 23 |  |  | use function explode; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 24 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 25 |  |  | /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 26 |  |  |  * SAML BaseID data type. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 27 |  |  |  * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 28 |  |  |  * @package simplesamlphp/saml2 | 
            
                                                                                                            
                            
            
                                    
            
            
                | 29 |  |  |  */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 30 |  |  | abstract class AbstractBaseID extends AbstractSamlElement implements | 
            
                                                                                                            
                            
            
                                    
            
            
                | 31 |  |  |      BaseIdentifierInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 32 |  |  |      EncryptableElementInterface, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 33 |  |  |      ExtensionPointInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 34 |  |  | { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 35 |  |  |     use EncryptableElementTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 36 |  |  |     use ExtensionPointTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 37 |  |  |     use IDNameQualifiersTrait; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 38 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 39 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 40 |  |  |     public const LOCALNAME = 'BaseID'; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 41 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 42 |  |  |     /** @var string */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 43 |  |  |     protected string $type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 44 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 45 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 46 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 47 |  |  |      * Initialize a saml:BaseID from scratch | 
            
                                                                                                            
                            
            
                                    
            
            
                | 48 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 49 |  |  |      * @param string $type | 
            
                                                                                                            
                            
            
                                    
            
            
                | 50 |  |  |      * @param string|null $NameQualifier | 
            
                                                                                                            
                            
            
                                    
            
            
                | 51 |  |  |      * @param string|null $SPNameQualifier | 
            
                                                                                                            
                            
            
                                    
            
            
                | 52 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 53 |  |  |     protected function __construct( | 
            
                                                                                                            
                            
            
                                    
            
            
                | 54 |  |  |         string $type, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 55 |  |  |         ?string $NameQualifier = null, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 56 |  |  |         ?string $SPNameQualifier = null | 
            
                                                                                                            
                            
            
                                    
            
            
                | 57 |  |  |     ) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 58 |  |  |         $this->type = $type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 59 |  |  |         $this->setNameQualifier($NameQualifier); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 60 |  |  |         $this->setSPNameQualifier($SPNameQualifier); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 61 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 62 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 63 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 64 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 65 |  |  |      * @inheritDoc | 
            
                                                                                                            
                            
            
                                    
            
            
                | 66 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 67 |  |  |     public function getXsiType(): string | 
            
                                                                                                            
                            
            
                                    
            
            
                | 68 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 69 |  |  |         return $this->type; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 70 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 71 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 72 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 73 |  |  |     public function getBlacklistedAlgorithms(): ?array | 
            
                                                                                                            
                            
            
                                    
            
            
                | 74 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 75 |  |  |         $container = ContainerSingleton::getInstance(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 76 |  |  |         return $container->getBlacklistedEncryptionAlgorithms(); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 77 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 78 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 79 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 80 |  |  |     public function getEncryptionBackend(): ?EncryptionBackend | 
            
                                                                                                            
                            
            
                                    
            
            
                | 81 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 82 |  |  |         // return the encryption backend you want to use, | 
            
                                                                                                            
                            
            
                                    
            
            
                | 83 |  |  |         // or null if you are fine with the default | 
            
                                                                                                            
                            
            
                                    
            
            
                | 84 |  |  |         return null; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 85 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 86 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 87 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 88 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 89 |  |  |      * Convert XML into an BaseID | 
            
                                                                                                            
                            
            
                                    
            
            
                | 90 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 91 |  |  |      * @param \DOMElement $xml The XML element we should load | 
            
                                                                                                            
                            
            
                                    
            
            
                | 92 |  |  |      * @return \SimpleSAML\SAML2\XML\saml\BaseIdentifierInterface | 
            
                                                                                                            
                            
            
                                    
            
            
                | 93 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 94 |  |  |      * @throws \SimpleSAML\XML\Exception\InvalidDOMElementException if the qualified name of the supplied element is wrong | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 95 |  |  |      */ | 
            
                                                                        
                            
            
                                    
            
            
                | 96 |  |  |     public static function fromXML(DOMElement $xml): object | 
            
                                                                        
                            
            
                                    
            
            
                | 97 |  |  |     { | 
            
                                                                        
                            
            
                                    
            
            
                | 98 |  |  |         Assert::same($xml->localName, 'BaseID', InvalidDOMElementException::class); | 
            
                                                                        
                            
            
                                    
            
            
                | 99 |  |  |         Assert::same($xml->namespaceURI, C::NS_SAML, InvalidDOMElementException::class); | 
            
                                                                        
                            
            
                                    
            
            
                | 100 |  |  |         Assert::true( | 
            
                                                                        
                            
            
                                    
            
            
                | 101 |  |  |             $xml->hasAttributeNS(C::NS_XSI, 'type'), | 
            
                                                                        
                            
            
                                    
            
            
                | 102 |  |  |             'Missing required xsi:type in <saml:BaseID> element.', | 
            
                                                                        
                            
            
                                    
            
            
                | 103 |  |  |             SchemaViolationException::class | 
            
                                                                        
                            
            
                                    
            
            
                | 104 |  |  |         ); | 
            
                                                                        
                            
            
                                    
            
            
                | 105 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 106 |  |  |         $type = $xml->getAttributeNS(C::NS_XSI, 'type'); | 
            
                                                                        
                            
            
                                    
            
            
                | 107 |  |  |         Assert::validQName($type, SchemaViolationException::class); | 
            
                                                                        
                            
            
                                    
            
            
                | 108 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 109 |  |  |         // first, try to resolve the type to a full namespaced version | 
            
                                                                        
                            
            
                                    
            
            
                | 110 |  |  |         $qname = explode(':', $type, 2); | 
            
                                                                        
                            
            
                                    
            
            
                | 111 |  |  |         if (count($qname) === 2) { | 
            
                                                                        
                            
            
                                    
            
            
                | 112 |  |  |             list($prefix, $element) = $qname; | 
            
                                                                        
                            
            
                                    
            
            
                | 113 |  |  |         } else { | 
            
                                                                        
                            
            
                                    
            
            
                | 114 |  |  |             $prefix = null; | 
            
                                                                        
                            
            
                                    
            
            
                | 115 |  |  |             list($element) = $qname; | 
            
                                                                        
                            
            
                                    
            
            
                | 116 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 117 |  |  |         $ns = $xml->lookupNamespaceUri($prefix); | 
            
                                                                        
                            
            
                                    
            
            
                | 118 |  |  |         $type = ($ns === null ) ? $element : implode(':', [$ns, $element]); | 
            
                                                                        
                            
            
                                    
            
            
                | 119 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 120 |  |  |         // now check if we have a handler registered for it | 
            
                                                                        
                            
            
                                    
            
            
                | 121 |  |  |         $handler = Utils::getContainer()->getExtensionHandler($type); | 
            
                                                                        
                            
            
                                    
            
            
                | 122 |  |  |         if ($handler === null) { | 
            
                                                                        
                            
            
                                    
            
            
                | 123 |  |  |             // we don't have a handler, proceed with unknown identifier | 
            
                                                                        
                            
            
                                    
            
            
                | 124 |  |  |             return new UnknownID( | 
            
                                                                        
                            
            
                                    
            
            
                | 125 |  |  |                 new Chunk($xml), | 
            
                                                                        
                            
            
                                    
            
            
                | 126 |  |  |                 $type, | 
            
                                                                        
                            
            
                                    
            
            
                | 127 |  |  |                 self::getAttribute($xml, 'NameQualifier', null), | 
            
                                                                        
                            
            
                                    
            
            
                | 128 |  |  |                 self::getAttribute($xml, 'SPNameQualifier', null), | 
            
                                                                        
                            
            
                                    
            
            
                | 129 |  |  |             ); | 
            
                                                                        
                            
            
                                    
            
            
                | 130 |  |  |         } | 
            
                                                                        
                            
            
                                    
            
            
                | 131 |  |  |  | 
            
                                                                        
                            
            
                                    
            
            
                | 132 |  |  |         Assert::subclassOf( | 
            
                                                                        
                            
            
                                    
            
            
                | 133 |  |  |             $handler, | 
            
                                                                        
                            
            
                                    
            
            
                | 134 |  |  |             AbstractBaseID::class, | 
            
                                                                        
                            
            
                                    
            
            
                | 135 |  |  |             'Elements implementing BaseID must extend \SimpleSAML\SAML2\XML\saml\AbstractBaseID.', | 
            
                                                                        
                            
            
                                    
            
            
                | 136 |  |  |         ); | 
            
                                                                        
                            
            
                                    
            
            
                | 137 |  |  |         return $handler::fromXML($xml); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 138 |  |  |     } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 139 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 140 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 141 |  |  |     /** | 
            
                                                                                                            
                            
            
                                    
            
            
                | 142 |  |  |      * Convert this BaseID to XML. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 143 |  |  |      * | 
            
                                                                                                            
                            
            
                                    
            
            
                | 144 |  |  |      * @param \DOMElement $parent The element we are converting to XML. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 145 |  |  |      * @return \DOMElement The XML element after adding the data corresponding to this BaseID. | 
            
                                                                                                            
                            
            
                                    
            
            
                | 146 |  |  |      */ | 
            
                                                                                                            
                            
            
                                    
            
            
                | 147 |  |  |     public function toXML(DOMElement $parent = null): DOMElement | 
            
                                                                                                            
                            
            
                                    
            
            
                | 148 |  |  |     { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 149 |  |  |         $e = $this->instantiateParentElement($parent); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 150 |  |  |         $e->setAttribute('xmlns:' . static::getXsiTypePrefix(), static::getXsiTypeNamespaceURI()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 151 |  |  |         $e->setAttributeNS(C::NS_XSI, 'xsi:type', $this->getXsiType()); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 152 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 153 |  |  |         if ($this->NameQualifier !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 154 |  |  |             $e->setAttribute('NameQualifier', $this->NameQualifier); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 155 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 156 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 157 |  |  |         if ($this->SPNameQualifier !== null) { | 
            
                                                                                                            
                            
            
                                    
            
            
                | 158 |  |  |             $e->setAttribute('SPNameQualifier', $this->SPNameQualifier); | 
            
                                                                                                            
                            
            
                                    
            
            
                | 159 |  |  |         } | 
            
                                                                                                            
                            
            
                                    
            
            
                | 160 |  |  |  | 
            
                                                                                                            
                            
            
                                    
            
            
                | 161 |  |  |         return $e; | 
            
                                                                                                            
                            
            
                                    
            
            
                | 162 |  |  |     } | 
            
                                                                                                            
                                                                
            
                                    
            
            
                | 163 |  |  | } | 
            
                                                        
            
                                    
            
            
                | 164 |  |  |  |