public function XMLSecEnc::decryptNode in SAML SP 2.0 Single Sign On (SSO) - SAML Service Provider 7

Decrypt this encrypted node.

The behaviour of this function depends on the value of $replace. If $replace is false, we will return the decrypted data as a string. If $replace is true, we will insert the decrypted element(s) into the document, and return the decrypted element(s).

Parameters

XMLSecurityKey $objKey The decryption key that should be used when decrypting the node.:

boolean $replace Whether we should replace the encrypted node in the XML document with the decrypted data. The default is true.:

Return value

string|DOMElement The decrypted data.

1 call to XMLSecEnc::decryptNode()

XMLSecEnc::decryptKey in includes/XMLSecurityKey.php

File

includes/XMLSecurityKey.php, line 2057

Class

XMLSecEnc

Code

public function decryptNode($objKey, $replace = true) {
  if (!$objKey instanceof XMLSecurityKey) {
    throw new Exception('Invalid Key');
  }
  $encryptedData = $this
    ->getCipherValue();
  if ($encryptedData) {
    $decrypted = $objKey
      ->decryptData($encryptedData);
    if ($replace) {
      switch ($this->type) {
        case self::Element:
          $newdoc = new DOMDocument();
          $newdoc
            ->loadXML($decrypted);
          if ($this->rawNode->nodeType == XML_DOCUMENT_NODE) {
            return $newdoc;
          }
          $importEnc = $this->rawNode->ownerDocument
            ->importNode($newdoc->documentElement, true);
          $this->rawNode->parentNode
            ->replaceChild($importEnc, $this->rawNode);
          return $importEnc;
        case self::Content:
          if ($this->rawNode->nodeType == XML_DOCUMENT_NODE) {
            $doc = $this->rawNode;
          }
          else {
            $doc = $this->rawNode->ownerDocument;
          }
          $newFrag = $doc
            ->createDocumentFragment();
          $newFrag
            ->appendXML($decrypted);
          $parent = $this->rawNode->parentNode;
          $parent
            ->replaceChild($newFrag, $this->rawNode);
          return $parent;
        default:
          return $decrypted;
      }
    }
    else {
      return $decrypted;
    }
  }
  else {
    throw new Exception("Cannot locate encrypted data");
  }
}