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Posted to commits@santuario.apache.org by bl...@apache.org on 2003/09/15 13:52:35 UTC

cvs commit: xml-security/c/src/xenc/impl XENCEncryptionMethodImpl.hpp XENCEncryptionMethodImpl.cpp

blautenb    2003/09/15 04:52:35

  Added:       c/src/xenc/impl XENCEncryptionMethodImpl.hpp
                        XENCEncryptionMethodImpl.cpp
  Log:
  Implementation of EncryptionMethod
  
  Revision  Changes    Path
  1.1                  xml-security/c/src/xenc/impl/XENCEncryptionMethodImpl.hpp
  
  Index: XENCEncryptionMethodImpl.hpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "<WebSig>" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 2001, Institute for
   * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
   * The development of this software was partly funded by the European 
   * Commission in the <WebSig> project in the ISIS Programme. 
   * For more information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  /*
   * XSEC
   *
   * XENCEncryptionMethod := Interface definition for EncryptionMethod element
   *
   * $Id: XENCEncryptionMethodImpl.hpp,v 1.1 2003/09/15 11:52:35 blautenb Exp $
   *
   */
  
  #ifndef XENCENCRYPTIONMETHODIMPL_INCLUDE
  #define XENCENCRYPTIONMETHODIMPL_INCLUDE
  
  // XSEC Includes
  
  #include <xsec/framework/XSECDefs.hpp>
  #include <xsec/xenc/XENCEncryptionMethod.hpp>
  
  class XSECEnv;
  
  XSEC_DECLARE_XERCES_CLASS(DOMNode);
  
  class XENCEncryptionMethodImpl : public XENCEncryptionMethod {
  
  public:
  
  	XENCEncryptionMethodImpl(const XSECEnv * env);
  	XENCEncryptionMethodImpl(
  		const XSECEnv * env, 
  		XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * node
  	);
  	virtual ~XENCEncryptionMethodImpl();
  
  	// Load elements
  	void load();
  
  	// Create from scratch
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * createBlankEncryptedType(
  						const XMLCh * algorithm);
  
  	// Interface
  	const XMLCh * getAlgorithm(void) {return mp_algorithm;}
  
  private:
  
  	// Unimplemented
  	XENCEncryptionMethodImpl();
  	XENCEncryptionMethodImpl(const XENCEncryptionMethodImpl &);
  	XENCEncryptionMethodImpl & operator = (const XENCEncryptionMethodImpl &);
  
  	const XSECEnv				* mp_env;
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMNode					
  								* mp_encryptionMethodNode;	// Node at head of structure
  	XMLCh						* mp_algorithm;
  
  };
  
  #endif /* XENCENCRYPTIONMETHODIMPL_INCLUDE */
  
  
  
  1.1                  xml-security/c/src/xenc/impl/XENCEncryptionMethodImpl.cpp
  
  Index: XENCEncryptionMethodImpl.cpp
  ===================================================================
  /*
   * The Apache Software License, Version 1.1
   *
   *
   * Copyright (c) 2002-2003 The Apache Software Foundation.  All rights 
   * reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer. 
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in
   *    the documentation and/or other materials provided with the
   *    distribution.
   *
   * 3. The end-user documentation included with the redistribution,
   *    if any, must include the following acknowledgment:  
   *       "This product includes software developed by the
   *        Apache Software Foundation (http://www.apache.org/)."
   *    Alternately, this acknowledgment may appear in the software itself,
   *    if and wherever such third-party acknowledgments normally appear.
   *
   * 4. The names "<WebSig>" and "Apache Software Foundation" must
   *    not be used to endorse or promote products derived from this
   *    software without prior written permission. For written 
   *    permission, please contact apache@apache.org.
   *
   * 5. Products derived from this software may not be called "Apache",
   *    nor may "Apache" appear in their name, without prior written
   *    permission of the Apache Software Foundation.
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
   * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
   * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
   * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
   * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   * ====================================================================
   *
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Apache Software Foundation and was
   * originally based on software copyright (c) 2001, Institute for
   * Data Communications Systems, <http://www.nue.et-inf.uni-siegen.de/>.
   * The development of this software was partly funded by the European 
   * Commission in the <WebSig> project in the ISIS Programme. 
   * For more information on the Apache Software Foundation, please see
   * <http://www.apache.org/>.
   */
  
  /*
   * XSEC
   *
   * XENCEncryptionMethod := Interface definition for EncryptionMethod element
   *
   * $Id: XENCEncryptionMethodImpl.cpp,v 1.1 2003/09/15 11:52:35 blautenb Exp $
   *
   */
  
  #include <xsec/framework/XSECDefs.hpp>
  #include <xsec/framework/XSECError.hpp>
  #include <xsec/utils/XSECDOMUtils.hpp>
  #include <xsec/framework/XSECEnv.hpp>
  
  #include "XENCEncryptionMethodImpl.hpp"
  
  #include <xercesc/util/XMLUniDefs.hpp>
  #include <xercesc/dom/DOM.hpp>
  
  XERCES_CPP_NAMESPACE_USE
  
  // --------------------------------------------------------------------------------
  //			UNICODE Strings
  // --------------------------------------------------------------------------------
  
  static XMLCh s_EncryptionMethod[] = {
  
  	chLatin_E,
  	chLatin_n,
  	chLatin_c,
  	chLatin_r,
  	chLatin_y,
  	chLatin_p,
  	chLatin_t,
  	chLatin_i,
  	chLatin_o,
  	chLatin_n,
  	chLatin_M,
  	chLatin_e,
  	chLatin_t,
  	chLatin_h,
  	chLatin_o,
  	chLatin_d,
  	chNull,
  };
  
  // --------------------------------------------------------------------------------
  //			Constructors and Destructors
  // --------------------------------------------------------------------------------
  
  XENCEncryptionMethodImpl::XENCEncryptionMethodImpl(const XSECEnv * env) :
  mp_env(env),
  mp_encryptionMethodNode(NULL),
  mp_algorithm(NULL) {
  
  }
  
  XENCEncryptionMethodImpl::XENCEncryptionMethodImpl(
  		const XSECEnv * env, 
  		DOMNode * node) :
  mp_env(env),
  mp_encryptionMethodNode(node),
  mp_algorithm(NULL) {
  
  }
  
  XENCEncryptionMethodImpl::~XENCEncryptionMethodImpl() {
  
  	if (mp_algorithm != NULL)
  		delete[] mp_algorithm;
  
  }
  
  
  // --------------------------------------------------------------------------------
  //			Load from DOM
  // --------------------------------------------------------------------------------
  
  
  void XENCEncryptionMethodImpl::load() {
  
  	if (mp_encryptionMethodNode == NULL) {
  
  		// Attempt to load an empty encryptedType element
  		throw XSECException(XSECException::EncryptionMethodError,
  			"XENCEncryptionMethod::load - called on empty DOM");
  
  	}
  
  	if (!strEquals(getXENCLocalName(mp_encryptionMethodNode), s_EncryptionMethod)) {
  
  		// Attempt to load an empty encryptedData element
  		throw XSECException(XSECException::EncryptionMethodError,
  			"XENCEncryptionMethod::load - called on non EncryptionMethod node");
  
  	}
  
  	// Clean up
  	if (mp_algorithm != NULL)
  		delete[] mp_algorithm;
  
  	// Find the type
  	DOMNamedNodeMap * tmpAtts = mp_encryptionMethodNode->getAttributes();
  
  	if (tmpAtts != NULL) {
  
  		DOMNode * att = tmpAtts->getNamedItem(DSIGConstants::s_unicodeStrAlgorithm);
  
  		if (att != NULL) {
  
  			mp_algorithm = XMLString::replicate(att->getNodeValue());
  
  		}
  
  	}
  
  }
  
  // --------------------------------------------------------------------------------
  //			Create from scratch
  // --------------------------------------------------------------------------------
  
  DOMElement * XENCEncryptionMethodImpl::createBlankEncryptedType(const XMLCh * algorithm) {
  
  	// Reset
  	if (mp_algorithm != NULL) {
  		delete[] mp_algorithm;
  		mp_algorithm = NULL;
  	}
  
  	// Get some setup values
  	safeBuffer str;
  	DOMDocument *doc = mp_env->getParentDocument();
  	const XMLCh * prefix = mp_env->getXENCNSPrefix();
  
  	makeQName(str, prefix, s_EncryptionMethod);
  
  	DOMElement *ret = doc->createElementNS(DSIGConstants::s_unicodeStrURIXENC, str.rawXMLChBuffer());
  	mp_encryptionMethodNode = ret;
  
  	// Set the algorithm attribute
  
  	if (algorithm != NULL) {
  		ret->setAttributeNS(DSIGConstants::s_unicodeStrURIXENC,
  							DSIGConstants::s_unicodeStrAlgorithm,
  							algorithm);
  		mp_algorithm = XMLString::replicate(algorithm);
  
  	}
  
  	return ret;
  
  }