private function XMLSecurityDSig::addRefInternal in SAML SP 2.0 Single Sign On (SSO) - SAML Service Provider 7

Parameters

DOMNode $sinfoNode:

DOMDocument $node:

string $algorithm:

null|array $arTransforms:

null|array $options:

2 calls to XMLSecurityDSig::addRefInternal()

XMLSecurityDSig::addReference in includes/XMLSecurityKey.php

XMLSecurityDSig::addReferenceList in includes/XMLSecurityKey.php

File

includes/XMLSecurityKey.php, line 1316

Class

XMLSecurityDSig

Code

private function addRefInternal($sinfoNode, $node, $algorithm, $arTransforms = null, $options = null) {
  $prefix = null;
  $prefix_ns = null;
  $id_name = 'Id';
  $overwrite_id = true;
  $force_uri = false;
  if (is_array($options)) {
    $prefix = empty($options['prefix']) ? null : $options['prefix'];
    $prefix_ns = empty($options['prefix_ns']) ? null : $options['prefix_ns'];
    $id_name = empty($options['id_name']) ? 'Id' : $options['id_name'];
    $overwrite_id = !isset($options['overwrite']) ? true : (bool) $options['overwrite'];
    $force_uri = !isset($options['force_uri']) ? false : (bool) $options['force_uri'];
  }
  $attname = $id_name;
  if (!empty($prefix)) {
    $attname = $prefix . ':' . $attname;
  }
  $refNode = $this
    ->createNewSignNode('Reference');
  $sinfoNode
    ->appendChild($refNode);
  if (!$node instanceof DOMDocument) {
    $uri = null;
    if (!$overwrite_id) {
      $uri = $prefix_ns ? $node
        ->getAttributeNS($prefix_ns, $id_name) : $node
        ->getAttribute($id_name);
    }
    if (empty($uri)) {
      $uri = self::generateGUID();
      $node
        ->setAttributeNS($prefix_ns, $attname, $uri);
    }
    $refNode
      ->setAttribute("URI", '#' . $uri);
  }
  elseif ($force_uri) {
    $refNode
      ->setAttribute("URI", '');
  }
  $transNodes = $this
    ->createNewSignNode('Transforms');
  $refNode
    ->appendChild($transNodes);
  if (is_array($arTransforms)) {
    foreach ($arTransforms as $transform) {
      $transNode = $this
        ->createNewSignNode('Transform');
      $transNodes
        ->appendChild($transNode);
      if (is_array($transform) && !empty($transform['http://www.w3.org/TR/1999/REC-xpath-19991116']) && !empty($transform['http://www.w3.org/TR/1999/REC-xpath-19991116']['query'])) {
        $transNode
          ->setAttribute('Algorithm', 'http://www.w3.org/TR/1999/REC-xpath-19991116');
        $XPathNode = $this
          ->createNewSignNode('XPath', $transform['http://www.w3.org/TR/1999/REC-xpath-19991116']['query']);
        $transNode
          ->appendChild($XPathNode);
        if (!empty($transform['http://www.w3.org/TR/1999/REC-xpath-19991116']['namespaces'])) {
          foreach ($transform['http://www.w3.org/TR/1999/REC-xpath-19991116']['namespaces'] as $prefix => $namespace) {
            $XPathNode
              ->setAttributeNS("http://www.w3.org/2000/xmlns/", "xmlns:{$prefix}", $namespace);
          }
        }
      }
      else {
        $transNode
          ->setAttribute('Algorithm', $transform);
      }
    }
  }
  elseif (!empty($this->canonicalMethod)) {
    $transNode = $this
      ->createNewSignNode('Transform');
    $transNodes
      ->appendChild($transNode);
    $transNode
      ->setAttribute('Algorithm', $this->canonicalMethod);
  }
  $canonicalData = $this
    ->processTransforms($refNode, $node);
  $digValue = $this
    ->calculateDigest($algorithm, $canonicalData);
  $digestMethod = $this
    ->createNewSignNode('DigestMethod');
  $refNode
    ->appendChild($digestMethod);
  $digestMethod
    ->setAttribute('Algorithm', $algorithm);
  $digestValue = $this
    ->createNewSignNode('DigestValue', $digValue);
  $refNode
    ->appendChild($digestValue);
}