OneLogin_Saml2_Response::getNameIdData PHP Method

    public function getNameIdData()
    {
        $encryptedIdDataEntries = $this->_queryAssertion('/saml:Subject/saml:EncryptedID/xenc:EncryptedData');
        if ($encryptedIdDataEntries->length == 1) {
            $encryptedData = $encryptedIdDataEntries->item(0);
            $key = $this->_settings->getSPkey();
            $seckey = new XMLSecurityKey(XMLSecurityKey::RSA_1_5, array('type' => 'private'));
            $seckey->loadKey($key);
            $nameId = OneLogin_Saml2_Utils::decryptElement($encryptedData, $seckey);
        } else {
            $entries = $this->_queryAssertion('/saml:Subject/saml:NameID');
            if ($entries->length == 1) {
                $nameId = $entries->item(0);
            }
        }
        $nameIdData = array();
        if (!isset($nameId)) {
            $security = $this->_settings->getSecurityData();
            if ($security['wantNameId']) {
                throw new Exception("Not NameID found in the assertion of the Response");
            }
        } else {
            if ($this->_settings->isStrict() && empty($nameId->nodeValue)) {
                throw new Exception("An empty NameID value found");
            }
            $nameIdData['Value'] = $nameId->nodeValue;
            foreach (array('Format', 'SPNameQualifier', 'NameQualifier') as $attr) {
                if ($nameId->hasAttribute($attr)) {
                    if ($this->_settings->isStrict() && $attr == 'SPNameQualifier') {
                        $spData = $this->_settings->getSPData();
                        $spEntityId = $spData['entityId'];
                        if ($spEntityId != $nameId->getAttribute($attr)) {
                            throw new Exception("The SPNameQualifier value mistmatch the SP entityID value.");
                        }
                    }
                    $nameIdData[$attr] = $nameId->getAttribute($attr);
                }
            }
        }
        return $nameIdData;
    }

 /**
  * Tests the getNameIdData method of the OneLogin_Saml2_Response
  *
  * @covers OneLogin_Saml2_Response::getNameIdData
  */
 public function testGetNameIdData()
 {
     $xml = file_get_contents(TEST_ROOT . '/data/responses/response1.xml.base64');
     $response = new OneLogin_Saml2_Response($this->_settings, $xml);
     $expectedNameIdData = array('Value' => '*****@*****.**', 'Format' => 'urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress');
     $nameIdData = $response->getNameIdData();
     $this->assertEquals($expectedNameIdData, $nameIdData);
     $xml2 = file_get_contents(TEST_ROOT . '/data/responses/response_encrypted_nameid.xml.base64');
     $response2 = new OneLogin_Saml2_Response($this->_settings, $xml2);
     $expectedNameIdData2 = array('Value' => '2de11defd199f8d5bb63f9b7deb265ba5c675c10', 'Format' => 'urn:oasis:names:tc:SAML:2.0:nameid-format:unspecified', 'SPNameQualifier' => 'https://pitbulk.no-ip.org/newonelogin/demo1/metadata.php');
     $nameIdData2 = $response2->getNameIdData();
     $this->assertEquals($expectedNameIdData2, $nameIdData2);
     $xml3 = file_get_contents(TEST_ROOT . '/data/responses/valid_encrypted_assertion.xml.base64');
     $response3 = new OneLogin_Saml2_Response($this->_settings, $xml3);
     $expectedNameIdData3 = array('Value' => '_68392312d490db6d355555cfbbd8ec95d746516f60', 'Format' => 'urn:oasis:names:tc:SAML:2.0:nameid-format:transient', 'SPNameQualifier' => 'http://stuff.com/endpoints/metadata.php');
     $nameIdData3 = $response3->getNameIdData();
     $this->assertEquals($expectedNameIdData3, $nameIdData3);
     $xml4 = file_get_contents(TEST_ROOT . '/data/responses/invalids/no_nameid.xml.base64');
     $response4 = new OneLogin_Saml2_Response($this->_settings, $xml4);
     try {
         $nameIdData4 = $response4->getNameIdData();
     } catch (Exception $e) {
         $this->assertContains('Not NameID found in the assertion of the Response', $e->getMessage());
     }
 }