/**
* @param \DOMNode $parent
* @param \AerialShip\LightSaml\Meta\SerializationContext $context
* @return \DOMNode
*/
function getXml(\DOMNode $parent, SerializationContext $context)
{
$objXMLSecDSig = new \XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod($this->getCanonicalMethod());
$key = $this->getXmlSecurityKey();
switch ($key->type) {
case \XMLSecurityKey::RSA_SHA256:
$type = \XMLSecurityDSig::SHA256;
break;
case \XMLSecurityKey::RSA_SHA384:
$type = \XMLSecurityDSig::SHA384;
break;
case \XMLSecurityKey::RSA_SHA512:
$type = \XMLSecurityDSig::SHA512;
break;
default:
$type = \XMLSecurityDSig::SHA1;
}
$objXMLSecDSig->addReferenceList(array($parent), $type, array(Protocol::XMLSEC_TRANSFORM_ALGORITHM_ENVELOPED_SIGNATURE, \XMLSecurityDSig::EXC_C14N), array('id_name' => $this->getIDName(), 'overwrite' => FALSE));
$objXMLSecDSig->sign($key);
$objXMLSecDSig->add509Cert($this->getCertificate()->getData(), false, false);
$firstChild = $parent->hasChildNodes() ? $parent->firstChild : null;
if ($firstChild && $firstChild->localName == 'Issuer') {
// The signature node should come after the issuer node
$firstChild = $firstChild->nextSibling;
}
$objXMLSecDSig->insertSignature($parent, $firstChild);
}
function signXML($token, $privkey)
{
$sigdoc = new DOMDocument();
if (!$sigdoc->loadXML($token)) {
throw new Exception("Invalid XML!");
}
$sigNode = $sigdoc->firstChild;
$enc = new XMLSecurityDSig();
$enc->idKeys[] = 'ID';
$enc->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$enc->addReference($sigNode, XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N));
$key = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private', 'library' => 'openssl'));
$key->loadKey($privkey, false, false);
$enc->sign($key);
$enc->appendSignature($sigNode);
return $sigdoc->saveXML();
}
public function signSoapDoc($objKey)
{
$objDSig = new XMLSecurityDSig();
$objDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$arNodes = array();
foreach ($this->secNode->childNodes as $node) {
if ($node->nodeType == XML_ELEMENT_NODE) {
$arNodes[] = $node;
}
}
if ($this->signAllHeaders) {
foreach ($this->secNode->parentNode->childNodes as $node) {
if ($node->nodeType == XML_ELEMENT_NODE && $node->namespaceURI != WSSESoap::WSSENS) {
$arNodes[] = $node;
}
}
}
foreach ($this->envelope->childNodes as $node) {
if ($node->namespaceURI == $this->soapNS && $node->localName == 'Body') {
$arNodes[] = $node;
break;
}
}
$arOptions = array('prefix' => WSSESoap::WSUPFX, 'prefix_ns' => WSSESoap::WSUNS);
$objDSig->addReferenceList($arNodes, XMLSecurityDSig::SHA1, NULL, $arOptions);
$objDSig->sign($objKey);
$objDSig->appendSignature($this->secNode, TRUE);
}
/**
* Insert a Signature-node.
*
* @param XMLSecurityKey $key The key we should use to sign the message.
* @param array $certificates The certificates we should add to the signature node.
* @param DOMElement $root The XML node we should sign.
* @param DOMNode $insertBefore The XML element we should insert the signature element before.
*/
public static function insertSignature(XMLSecurityKey $key, array $certificates, DOMElement $root, DOMNode $insertBefore = NULL)
{
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
switch ($key->type) {
case XMLSecurityKey::RSA_SHA256:
$type = XMLSecurityDSig::SHA256;
break;
case XMLSecurityKey::RSA_SHA384:
$type = XMLSecurityDSig::SHA384;
break;
case XMLSecurityKey::RSA_SHA512:
$type = XMLSecurityDSig::SHA512;
break;
default:
$type = XMLSecurityDSig::SHA1;
}
$objXMLSecDSig->addReferenceList(array($root), $type, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID', 'overwrite' => FALSE));
$objXMLSecDSig->sign($key);
foreach ($certificates as $certificate) {
$objXMLSecDSig->add509Cert($certificate, TRUE);
}
$objXMLSecDSig->insertSignature($root, $insertBefore);
}
/**
* Signs the given metadata if metadata signing is enabled.
*
* @param string $metadataString A string with the metadata.
* @param array $entityMetadata The metadata of the entity.
* @param string $type A string which describes the type entity this is, e.g. 'SAML 2 IdP' or 'Shib 1.3 SP'.
*
* @return string The $metadataString with the signature embedded.
* @throws Exception If the certificate or private key cannot be loaded, or the metadata doesn't parse properly.
*/
public static function sign($metadataString, $entityMetadata, $type)
{
$config = SimpleSAML_Configuration::getInstance();
// check if metadata signing is enabled
if (!self::isMetadataSigningEnabled($config, $entityMetadata, $type)) {
return $metadataString;
}
// find the key & certificate which should be used to sign the metadata
$keyCertFiles = self::findKeyCert($config, $entityMetadata, $type);
$keyFile = \SimpleSAML\Utils\Config::getCertPath($keyCertFiles['privatekey']);
if (!file_exists($keyFile)) {
throw new Exception('Could not find private key file [' . $keyFile . '], which is needed to sign the metadata');
}
$keyData = file_get_contents($keyFile);
$certFile = \SimpleSAML\Utils\Config::getCertPath($keyCertFiles['certificate']);
if (!file_exists($certFile)) {
throw new Exception('Could not find certificate file [' . $certFile . '], which is needed to sign the metadata');
}
$certData = file_get_contents($certFile);
// convert the metadata to a DOM tree
try {
$xml = SAML2_DOMDocumentFactory::fromString($metadataString);
} catch (Exception $e) {
throw new Exception('Error parsing self-generated metadata.');
}
// load the private key
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
if (array_key_exists('privatekey_pass', $keyCertFiles)) {
$objKey->passphrase = $keyCertFiles['privatekey_pass'];
}
$objKey->loadKey($keyData, false);
// get the EntityDescriptor node we should sign
$rootNode = $xml->firstChild;
// sign the metadata with our private key
if ($type == 'ADFS IdP') {
$objXMLSecDSig = new sspmod_adfs_XMLSecurityDSig($metadataString);
} else {
$objXMLSecDSig = new XMLSecurityDSig();
}
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objXMLSecDSig->addReferenceList(array($rootNode), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
$objXMLSecDSig->sign($objKey);
// add the certificate to the signature
$objXMLSecDSig->add509Cert($certData, true);
// add the signature to the metadata
$objXMLSecDSig->insertSignature($rootNode, $rootNode->firstChild);
// return the DOM tree as a string
return $xml->saveXML();
}
/**
* Sign the specified DOMDocument
*
* @see https://github.com/Maks3w/xmlseclibs/blob/v1.3.0/tests/xml-sign.phpt
*
* @param DOMDocument $document
* @return DOMDocument
*/
private function sign_document(DOMDocument $document)
{
$result = false;
try {
$dsig = new XMLSecurityDSig();
// For canonicalization purposes the exclusive (9) algorithm must be used.
// @see http://pronamic.nl/wp-content/uploads/2012/12/iDEAL-Merchant-Integration-Guide-ENG-v3.3.1.pdf #page 30
$dsig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
// For hashing purposes the SHA-256 (11) algorithm must be used.
// @see http://pronamic.nl/wp-content/uploads/2012/12/iDEAL-Merchant-Integration-Guide-ENG-v3.3.1.pdf #page 30
$dsig->addReference($document, XMLSecurityDSig::SHA256, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature'), array('force_uri' => true));
// For signature purposes the RSAWithSHA 256 (12) algorithm must be used.
// @see http://pronamic.nl/wp-content/uploads/2012/12/iDEAL-Merchant-Integration-Guide-ENG-v3.3.1.pdf #page 31
$key = new XMLSecurityKey(XMLSecurityKey::RSA_SHA256, array('type' => 'private'));
$key->passphrase = $this->private_key_password;
$key->loadKey($this->private_key);
// Test if we can get an private key object, to prefent the following errors:
// Warning: openssl_sign() [function.openssl-sign]: supplied key param cannot be coerced into a private key
$result = openssl_get_privatekey($this->private_key, $this->private_key_password);
if (false !== $result) {
// Sign
$dsig->sign($key);
// The public key must be referenced using a fingerprint of an X.509
// certificate. The fingerprint must be calculated according
// to the following formula HEX(SHA-1(DER certificate)) (13)
// @see http://pronamic.nl/wp-content/uploads/2012/12/iDEAL-Merchant-Integration-Guide-ENG-v3.3.1.pdf #page 31
$fingerprint = Pronamic_WP_Pay_Gateways_IDealAdvanced_Security::getShaFingerprint($this->private_certificate);
$dsig->addKeyInfoAndName($fingerprint);
// Add the signature
$dsig->appendSignature($document->documentElement);
$result = $document;
} else {
throw new Exception('Can not load private key');
}
} catch (Exception $e) {
$this->error = new WP_Error('xml_security', $e->getMessage(), $e);
}
return $result;
}
public static function PrepSAMLAssertion(&$saml_xml_request)
{
//
// Gather inputs needed during assembly of SAML Assertion (e.g., keys, certs, timestamps, IDs_
//
$DateTimeNow = new DateTime(null, new DateTimeZone("UTC"));
$DateTimeNowString = $DateTimeNow->format("Y-m-d\\TH:i:s.B\\Z");
$DateTime15Min = new DateTime(null, new DateTimeZone("UTC"));
$DateTime15Min->modify('+900 sec');
$DateTime15MinString = $DateTime15Min->format("Y-m-d\\TH:i:s.B\\Z");
$SAMLParams = array();
$SAMLParams['IssueInstant'] = $DateTimeNowString;
$SAMLParams['Issuer'] = SAML_IDENTITY_PROVIDER_ID;
$SAMLParams['ID'] = SimpleSAML_Utilities::generateID();
$SAMLParams['NameID'] = SAML_NAME_ID;
$SAMLParams['NotBefore'] = $DateTimeNowString;
$SAMLParams['NotOnOrAfter'] = $DateTime15MinString;
$SAMLParams['AuthnInstant'] = $DateTimeNowString;
$SAMLParams['Audience'] = SAML_IDENTITY_PROVIDER_ID;
$SAMLParams['x509'] = file_get_contents(SAML_X509_CERT_PATH);
$SAMLParams['private_key'] = file_get_contents(SAML_X509_PRIVATE_KEY_PATH);
//
// Assemble DOM containing correct SAML assertion
//
$xml = new DOMDocument('1.0', 'utf-8');
// Assertion
$assertion = $xml->createElementNS('urn:oasis:names:tc:SAML:2.0:assertion', 'saml2:Assertion');
$assertion->setAttribute('ID', $SAMLParams['ID']);
$assertion->setAttribute('Version', '2.0');
$assertion->setAttribute('IssueInstant', $SAMLParams['IssueInstant']);
$xml->appendChild($assertion);
// Issuer
$issuer = $xml->createElement('saml2:Issuer', $SAMLParams['Issuer']);
$assertion->appendChild($issuer);
// Subject + NameID + SubjectConfirmation
$subject = $xml->createElement('saml2:Subject');
$assertion->appendChild($subject);
// NameID
$nameid = $xml->createElement('saml2:NameID', $SAMLParams['NameID']);
$nameid->setAttribute('Format', 'urn:oasis:names:tc:SAML:1.1:nameid-format:unspecified');
$subject->appendChild($nameid);
// SubjectConfirmation
$confirmation = $xml->createElement('saml2:SubjectConfirmation');
$confirmation->setAttribute('Method', 'urn:oasis:names:tc:SAML:2.0:cm:bearer');
$subject->appendChild($confirmation);
// Conditions + AudienceRestriction + Audience
$condition = $xml->createElement('saml2:Conditions');
$condition->setAttribute('NotBefore', $SAMLParams['NotBefore']);
$condition->setAttribute('NotOnOrAfter', $SAMLParams['NotOnOrAfter']);
$assertion->appendChild($condition);
// AudienceRestriction
$audiencer = $xml->createElement('saml2:AudienceRestriction');
$condition->appendChild($audiencer);
// Audience
$audience = $xml->createElement('saml2:Audience', $SAMLParams['Audience']);
$audiencer->appendChild($audience);
// AuthnStatement + AuthnContext + AuthnContextClassRef
$authnstat = $xml->createElement('saml2:AuthnStatement');
$authnstat->setAttribute('AuthnInstant', $SAMLParams['AuthnInstant']);
$authnstat->setAttribute('SessionIndex', $SAMLParams['ID']);
$assertion->appendChild($authnstat);
// AuthnContext
$authncontext = $xml->createElement('saml2:AuthnContext');
$authnstat->appendChild($authncontext);
// AuthnContextClassRef
$authncontext_ref = $xml->createElement('saml2:AuthnContextClassRef', 'urn:oasis:names:tc:SAML:2.0:ac:classes:unspecified');
$authncontext->appendChild($authncontext_ref);
//Private KEY
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
$objKey->loadKey($SAMLParams['private_key']);
//Sign the Assertion
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objXMLSecDSig->addReferenceList(array($assertion), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('URI' => 'ID', 'overwrite' => false, 'id_name' => 'ID'));
$objXMLSecDSig->sign($objKey);
$objXMLSecDSig->add509Cert($SAMLParams['x509']);
$objXMLSecDSig->insertSignature($assertion, $subject);
$saml = $xml->saveXML();
//
// Change Reference URI locally (considered changing 'xmlseclibs.php', but
// that seemed inappropriate)
//
preg_match("/<ds:Reference URI=\"#(.+?)\">/is", $saml, $URI);
$saml = str_replace("Id=\"" . $URI[1] . "\"", "", $saml);
$saml = str_replace($URI[1], $SAMLParams["ID"], $saml);
//
// Prepare Base64-Encoded SAML Assertion request body based on DOM
//
$saml = str_replace('<?xml version="1.0" encoding="utf-8"?>', '', $saml);
$saml_xml_request = base64_encode(stripslashes($saml));
}
public static function ADFS_SignResponse($response, $key, $cert)
{
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->idKeys = array('AssertionID');
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$responsedom = new DOMDocument();
$responsedom->loadXML(str_replace("\r", "", $response));
$firstassertionroot = $responsedom->getElementsByTagName('Assertion')->item(0);
$objXMLSecDSig->addReferenceList(array($firstassertionroot), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'AssertionID'));
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
$objKey->loadKey($key, TRUE);
$objXMLSecDSig->sign($objKey);
if ($cert) {
$public_cert = file_get_contents($cert);
$objXMLSecDSig->add509Cert($public_cert, TRUE);
}
$newSig = $responsedom->importNode($objXMLSecDSig->sigNode, TRUE);
$firstassertionroot->appendChild($newSig);
return $responsedom->saveXML();
}
/**
* Signs the given metadata if metadata signing is enabled.
*
* @param $metadataString A string with the metadata.
* @param $entityMetadata The metadata of the entity.
* @param $type A string which describes the type entity this is, e.g. 'SAML 2 IdP' or 'Shib 1.3 SP'.
* @return The $metadataString with the signature embedded.
*/
public static function sign($metadataString, $entityMetadata, $type)
{
$config = SimpleSAML_Configuration::getInstance();
/* Check if metadata signing is enabled. */
if (!self::isMetadataSigningEnabled($config, $entityMetadata, $type)) {
return $metadataString;
}
/* Find the key & certificate which should be used to sign the metadata. */
$keyCertFiles = self::findKeyCert($config, $entityMetadata, $type);
$keyFile = $config->getPathValue('certdir', 'cert/') . $keyCertFiles['privatekey'];
if (!file_exists($keyFile)) {
throw new Exception('Could not find private key file [' . $keyFile . '], which is needed to sign the metadata');
}
$keyData = file_get_contents($keyFile);
$certFile = $config->getPathValue('certdir', 'cert/') . $keyCertFiles['certificate'];
if (!file_exists($certFile)) {
throw new Exception('Could not find certificate file [' . $certFile . '], which is needed to sign the metadata');
}
$certData = file_get_contents($certFile);
/* Convert the metadata to a DOM tree. */
$xml = new DOMDocument();
if (!$xml->loadXML($metadataString)) {
throw new Exception('Error parsing self-generated metadata.');
}
/* Load the private key. */
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
if (array_key_exists('privatekey_pass', $keyCertFiles)) {
$objKey->passphrase = $keyCertFiles['privatekey_pass'];
}
$objKey->loadKey($keyData, FALSE);
/* Get the EntityDescriptor node we should sign. */
$rootNode = $xml->firstChild;
/* Sign the metadata with our private key. */
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objXMLSecDSig->addReferenceList(array($rootNode), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
$objXMLSecDSig->sign($objKey);
/* Add the certificate to the signature. */
$objXMLSecDSig->add509Cert($certData, true);
/* Add the signature to the metadata. */
$objXMLSecDSig->insertSignature($rootNode, $rootNode->firstChild);
/* Return the DOM tree as a string. */
return $xml->saveXML();
}
/**
* @dataProvider testXmlSignProvider
* @throws \Exception
*/
public function testXmlSign($dsigAlgorithm, $keyType, $expectedFileName)
{
$doc = new \DOMDocument();
$doc->load(dirname(__FILE__) . '/../basic-doc.xml');
$objDSig = new XMLSecurityDSig();
$objDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objDSig->addReference($doc, $dsigAlgorithm, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature'));
$objKey = new XMLSecurityKey($keyType, array('type' => 'private'));
/* load private key */
$objKey->loadKey(dirname(__FILE__) . '/../privkey.pem', true);
/* if key has Passphrase, set it using $objKey->passphrase = <passphrase> " */
$objDSig->sign($objKey);
/* Add associated public key */
$objDSig->add509Cert(file_get_contents(dirname(__FILE__) . '/../mycert.pem'));
$objDSig->appendSignature($doc->documentElement);
$sign_output = $doc->saveXML();
$sign_output_def = file_get_contents($expectedFileName);
$this->assertEquals($sign_output_def, $sign_output, "Signature doesn't match");
}
/**
* Insert a Signature-node.
*
* @param XMLSecurityKey $key The key we should use to sign the message.
* @param array $certificates The certificates we should add to the signature node.
* @param DOMElement $root The XML node we should sign.
* @param DomElement $insertBefore The XML element we should insert the signature element before.
*/
public static function insertSignature(XMLSecurityKey $key, array $certificates, DOMElement $root, DOMNode $insertBefore = NULL)
{
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objXMLSecDSig->addReferenceList(array($root), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
$objXMLSecDSig->sign($key);
foreach ($certificates as $certificate) {
$objXMLSecDSig->add509Cert($certificate, TRUE);
}
$objXMLSecDSig->insertSignature($root, $insertBefore);
}
/**
* Signs the given DOMElement and inserts the signature at the given position.
*
* The private key must be set before calling this function.
*
* @param $node The DOMElement we should generate a signature for.
* @param $insertInto The DOMElement we should insert the signature element into.
* @param $insertBefore The element we should insert the signature element before. Defaults to NULL,
* in which case the signature will be appended to the element spesified in
* $insertInto.
*/
public function sign($node, $insertInto, $insertBefore = NULL)
{
assert('$node instanceof DOMElement');
assert('$insertInto instanceof DOMElement');
assert('is_null($insertBefore) || $insertBefore instanceof DOMElement ' . '|| $insertBefore instanceof DOMComment || $insertBefore instanceof DOMText');
if ($this->privateKey === FALSE) {
throw new Exception('Private key not set.');
}
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$options = array();
if ($this->idAttrName !== FALSE) {
$options['id_name'] = $this->idAttrName;
}
$objXMLSecDSig->addReferenceList(array($node), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), $options);
$objXMLSecDSig->sign($this->privateKey);
if ($this->certificate !== FALSE) {
// Add the certificate to the signature
$objXMLSecDSig->add509Cert($this->certificate, TRUE);
}
// Add extra certificates
foreach ($this->extraCertificates as $certificate) {
$objXMLSecDSig->add509Cert($certificate, TRUE);
}
$objXMLSecDSig->insertSignature($insertInto, $insertBefore);
}
file_put_contents($target_file, $src);
$xml = file_get_contents($target_file);
} else {
if (file_exists($target_file)) {
unlink($target_file);
}
$doc = new DOMDocument();
$doc->load($dir);
$objDSig = new XMLSecurityDSig();
$objDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objDSig->addReference($doc, XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature'));
/* gako pribatu bat behar dugu prozesua burutzeko. orain edozein erabiliko dugu. gero txartelekoarekin ordezkatzeko */
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
/* if key has Passphrase, set it using $objKey->passphrase = <passphrase> " */
$objKey->loadKey(dirname(__FILE__) . '/privkey.pem', TRUE);
$objDSig->sign($objKey);
/* Add associated public key */
// $objDSig->add509Cert(file_get_contents(dirname(__FILE__) . '/mycert.pem'));
// $objDSig->add509Cert(file_get_contents($user_cert_file_path));
if (!file_exists($user_cert_file_path)) {
die('File not found : ' . $user_cert_file_path);
} else {
$objDSig->add509Cert($user_cert_file_path);
}
$objDSig->appendSignature($doc->documentElement);
$doc->save($target_file);
?>
<h3>Por favor, apriete el botón "Enviar" para acabar con el registro del fichero en la Agencia de Proteccion de datos</h3>
<?php
echo '<form id="formMyFirma" name="formMyFirma" method="post" onsubmit="document.getElementById(\'sinatuta\').value = signDigest(document.getElementById(\'sinatzeko\').value);" action="' . str_replace("http://", "https://", UsuarioPeer::getRuta()) . '/notificaciones/enviar/id_notificacion/' . $notificacion->notid . '/id_fichero/' . $notificacion->id_fichero . '/yafirmado/1">';
/**
* Adds signature key and senders certificate to an element (Message or Assertion).
*
* @param string|DomDocument $xml The element we should sign
* @param string $key The private key
* @param string $cert The public
*/
public static function addSign($xml, $key, $cert)
{
if ($xml instanceof DOMDocument) {
$dom = $xml;
} else {
$dom = new DOMDocument();
$dom = self::loadXML($dom, $xml);
if (!$dom) {
throw new Exception('Error parsing xml string');
}
}
/* Load the private key. */
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
$objKey->loadKey($key, false);
/* Get the EntityDescriptor node we should sign. */
$rootNode = $dom->firstChild;
/* Sign the metadata with our private key. */
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objXMLSecDSig->addReferenceList(array($rootNode), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
$objXMLSecDSig->sign($objKey);
/* Add the certificate to the signature. */
$objXMLSecDSig->add509Cert($cert, true);
$insertBefore = $rootNode->firstChild;
$messageTypes = array('samlp:AuthnRequest', 'samlp:Response', 'samlp:LogoutRequest', 'samlp:LogoutResponse');
if (in_array($rootNode->tagName, $messageTypes)) {
$issuerNodes = self::query($dom, '/' . $rootNode->tagName . '/saml:Issuer');
if ($issuerNodes->length == 1) {
$insertBefore = $issuerNodes->item(0)->nextSibling;
}
}
/* Add the signature. */
$objXMLSecDSig->insertSignature($rootNode, $insertBefore);
/* Return the DOM tree as a string. */
$signedxml = $dom->saveXML();
return $signedxml;
}
function processDocument()
{
global $src_file, $target_file, $user_pubkey_file_path, $user_cert_file_path;
require dirname(__FILE__) . '/xmlseclibs.php';
if (file_exists($target_file)) {
unlink($target_file);
}
$doc = new DOMDocument();
$doc->load($src_file);
$objDSig = new XMLSecurityDSig();
$objDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$objDSig->addReference($doc, XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature'));
/* gako pribatu bat behar dugu prozesua burutzeko. orain edozein erabiliko dugu. gero txartelekoarekin ordezkatzeko */
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
/* if key has Passphrase, set it using $objKey->passphrase = <passphrase> " */
$objKey->loadKey(dirname(__FILE__) . '/privkey.pem', TRUE);
$objDSig->sign($objKey);
/* Add associated public key */
// $objDSig->add509Cert(file_get_contents(dirname(__FILE__) . '/mycert.pem'));
// $objDSig->add509Cert(file_get_contents($user_cert_file_path));
if (!file_exists($user_cert_file_path)) {
debug('File not found', $user_cert_file_path);
} else {
$objDSig->add509Cert($user_cert_file_path);
}
$objDSig->appendSignature($doc->documentElement);
$doc->save($target_file);
}
public function signSoapDoc($objKey, $options = null)
{
$objDSig = new XMLSecurityDSig();
$objDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
$arNodes = array();
foreach ($this->secNode->childNodes as $node) {
if ($node->nodeType == XML_ELEMENT_NODE) {
$arNodes[] = $node;
}
}
foreach ($this->secNode->parentNode->childNodes as $node) {
if ($this->signAllHeaders || $node->localName == 'To') {
if ($node->nodeType == XML_ELEMENT_NODE && $node->namespaceURI != self::WSSENS) {
$arNodes[] = $node;
}
}
}
if ($this->signBody) {
foreach ($this->envelope->childNodes as $node) {
if ($node->namespaceURI == $this->soapNS && $node->localName == 'Body') {
$arNodes[] = $node;
break;
}
}
}
$algorithm = XMLSecurityDSig::SHA1;
if (is_array($options) && isset($options["algorithm"])) {
$algorithm = $options["algorithm"];
}
$arOptions = array('prefix' => self::WSUPFX, 'prefix_ns' => self::WSUNS);
$objDSig->addReferenceList($arNodes, $algorithm, null, $arOptions);
$objDSig->sign($objKey);
$insertTop = true;
if (is_array($options) && isset($options["insertBefore"])) {
$insertTop = (bool) $options["insertBefore"];
}
$objDSig->appendSignature($this->secNode, $insertTop);
/* New suff */
if (is_array($options)) {
if (!empty($options["KeyInfo"])) {
if (!empty($options["KeyInfo"]["X509SubjectKeyIdentifier"])) {
$sigNode = $this->secNode->firstChild->nextSibling;
$objDoc = $sigNode->ownerDocument;
$keyInfo = $sigNode->ownerDocument->createElementNS(XMLSecurityDSig::XMLDSIGNS, 'ds:KeyInfo');
$sigNode->appendChild($keyInfo);
$tokenRef = $objDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':SecurityTokenReference');
$keyInfo->appendChild($tokenRef);
$reference = $objDoc->createElementNS(self::WSSENS, self::WSSEPFX . ':KeyIdentifier');
$reference->setAttribute("ValueType", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-x509-token-profile-1.0#X509SubjectKeyIdentifier");
$reference->setAttribute("EncodingType", "http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary");
$tokenRef->appendChild($reference);
$x509 = openssl_x509_parse($objKey->getX509Certificate());
$keyid = $x509["extensions"]["subjectKeyIdentifier"];
$arkeyid = split(":", $keyid);
$data = "";
foreach ($arkeyid as $hexchar) {
$data .= chr(hexdec($hexchar));
}
$dataNode = new DOMText(base64_encode($data));
$reference->appendChild($dataNode);
}
}
}
}
public function sendResponse($response, $idmetaindex, $spentityid, $relayState = null)
{
$idpmd = $this->metadata->getMetaData($idmetaindex, 'saml20-idp-hosted');
$spmd = $this->metadata->getMetaData($spentityid, 'saml20-sp-remote');
$destination = $spmd['AssertionConsumerService'];
if (empty($idpmd['privatekey'])) {
throw new Exception('SAML: RSA private key not configured. This is required to sign the authentication response.');
}
if (empty($idpmd['certificate'])) {
throw new Exception('SAML: X.509 certificate not configured. This is required to attach to the authentication response.');
}
// XMLDSig. Sign the complete request with the key stored in cert/server.pem
$objXMLSecDSig = new XMLSecurityDSig();
$objXMLSecDSig->setCanonicalMethod(XMLSecurityDSig::EXC_C14N);
try {
$responsedom = new DOMDocument();
$responsedom->loadXML(str_replace("\n", "", str_replace("\r", "", $response)));
} catch (Exception $e) {
throw new Exception("foo");
}
$responseroot = $responsedom->getElementsByTagName('Response')->item(0);
$firstassertionroot = $responsedom->getElementsByTagName('Assertion')->item(0);
/* Determine what we should sign - either the Response element or the Assertion. The default
* is to sign the Assertion, but that can be overridden by the 'signresponse' option in the
* SP metadata or 'saml20.signresponse' in the global configuration.
*/
$signResponse = FALSE;
if (array_key_exists('signresponse', $spmd) && $spmd['signresponse'] !== NULL) {
$signResponse = $spmd['signresponse'];
if (!is_bool($signResponse)) {
throw new Exception('Expected the \'signresponse\' option in the metadata of the' . ' SP \'' . $spmd['entityid'] . '\' to be a boolean value.');
}
} else {
$signResponse = $this->configuration->getBoolean('saml20.signresponse', FALSE);
}
if ($signResponse) {
// Sign the response.
$objXMLSecDSig->addReferenceList(array($responseroot), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
} else {
// Sign the assertion.
$objXMLSecDSig->addReferenceList(array($firstassertionroot), XMLSecurityDSig::SHA1, array('http://www.w3.org/2000/09/xmldsig#enveloped-signature', XMLSecurityDSig::EXC_C14N), array('id_name' => 'ID'));
}
$objKey = new XMLSecurityKey(XMLSecurityKey::RSA_SHA1, array('type' => 'private'));
if (array_key_exists('privatekey_pass', $idpmd)) {
$objKey->passphrase = $idpmd['privatekey_pass'];
}
$objKey->loadKey($idpmd['privatekey']);
$objXMLSecDSig->sign($objKey);
$objXMLSecDSig->add509Cert($idpmd['certificate'], true);
if ($signResponse) {
$objXMLSecDSig->appendSignature($responseroot, true, false);
} else {
$objXMLSecDSig->appendSignature($firstassertionroot, true, true);
}
if (isset($spmd['assertion.encryption']) && $spmd['assertion.encryption']) {
$encryptedassertion = $responsedom->createElement("saml:EncryptedAssertion");
$encryptedassertion->setAttribute("xmlns:saml", "urn:oasis:names:tc:SAML:2.0:assertion");
$firstassertionroot->parentNode->replaceChild($encryptedassertion, $firstassertionroot);
$encryptedassertion->appendChild($firstassertionroot);
$enc = new XMLSecEnc();
$enc->setNode($firstassertionroot);
$enc->type = XMLSecEnc::Element;
$objKey = new XMLSecurityKey(XMLSecurityKey::AES128_CBC);
if (isset($spmd['sharedkey'])) {
$objKey->loadkey($spmd['sharedkey']);
} else {
$key = $objKey->generateSessionKey();
$objKey->loadKey($key);
if (empty($spmd['certificate'])) {
throw new Exception("Public key for encrypting assertion needed, but not specified for saml20-sp-remote id: " . $spentityid);
}
$keyKey = new XMLSecurityKey(XMLSecurityKey::RSA_1_5, array('type' => 'public'));
$keyKey->loadKey($spmd['certificate']);
$enc->encryptKey($keyKey, $objKey);
}
$encNode = $enc->encryptNode($objKey);
# replacing the unencrypted node
}
$response = $responsedom->saveXML();
SimpleSAML_Utilities::validateXMLDocument($response, 'saml20');
# openssl genrsa -des3 -out server.key 1024
# openssl rsa -in server.key -out server.pem
# openssl req -new -key server.key -out server.csr
# openssl x509 -req -days 60 -in server.csr -signkey server.key -out server.crt
if ($this->configuration->getValue('debug')) {
$p = new SimpleSAML_XHTML_Template($this->configuration, 'post-debug.php');
$p->data['header'] = 'SAML Response Debug-mode';
$p->data['RelayStateName'] = 'RelayState';
$p->data['RelayState'] = $relayState;
$p->data['destination'] = $destination;
$p->data['response'] = str_replace("\n", "", base64_encode($response));
$p->data['responseHTML'] = htmlentities($responsedom->saveHTML());
$p->show();
} else {
$p = new SimpleSAML_XHTML_Template($this->configuration, 'post.php');
$p->data['RelayStateName'] = 'RelayState';
$p->data['RelayState'] = $relayState;
$p->data['destination'] = $destination;
$p->data['response'] = base64_encode($response);
$p->show();
}
}