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Posted to commits@santuario.apache.org by bl...@apache.org on 2003/11/22 10:58:07 UTC

cvs commit: xml-security/c/src/dsig DSIGObject.hpp DSIGObject.cpp

blautenb    2003/11/22 01:58:07

  Added:       c/src/dsig DSIGObject.hpp DSIGObject.cpp
  Log:
  Initial implementation of Object handling class
  
  Revision  Changes    Path
  1.1                  xml-security/c/src/dsig/DSIGObject.hpp
  
  Index: DSIGObject.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
   *
   * DSIGObject := Defines the container class used by dsig to hold objects
   *				 inside a signture
   *
   * $Id: DSIGObject.hpp,v 1.1 2003/11/22 09:58:07 blautenb Exp $
   *
   */
  
  #ifndef DSIGOBJECT_INCLUDE
  #define DSIGOBJECT_INCLUDE
  
  // XSEC Includes
  
  #include <xsec/framework/XSECDefs.hpp>
  
  XSEC_DECLARE_XERCES_CLASS(DOMNode);
  
  class XSECEnv;
  
  /**
   * @ingroup pubsig
   * @{
   */
  
  /**
   * @brief Base class for \<Object\> nodes in a \<Signature\> element.
   *
   * The DSIG spec allows for enveloping signatures, in which the signature holds
   * the information it is signing.  For these types of signatures, the data being
   * signed can be held in an \<Object\> container.
   *
   * This class allows callers to and manipulate Object containers.
   *
   */
  
  
  class DSIG_EXPORT DSIGObject {
  
  public:
  
  	/** @name Constructors and Destructors */
  	//@{
  
  	/**
  	 * \brief Construct from an owning signature
  	 *
  	 * Called by the library when an Object needs to be created from an Object
  	 * in a DOM tree.
  	 *
  	 * @param env The environment that the Object is operating within
  	 * @param dom The DOM node that will be loaded
  	 */
  
  	DSIGObject(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *dom);
  
  	/**
  	 * \brief Construct a new object
  	 *
  	 * Called by the library to create an Object from scratch
  	 *
  	 * @param env The environment the Object is operating within
  	 */
  
  	DSIGObject(const XSECEnv * env);
  
  
  	/**
  	 * \brief Destructor
  	 */
  
  	~DSIGObject();
  
  	//@}
  
  	/** @name Library functions */
  	//@{
  
  	/**
  	 * \brief Load the object from DOM
  	 *
  	 * Called by the library to load a constructed object
  	 */
  
  	void load(void);
  
  	/**
  	 * \brief Create a new Object
  	 *
  	 * Create a new Object from scratch (will generate the DOM)
  	 */
  
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * 
  		createBlankObject(void);
  
  	//@}
  
  	/** @name Get functions */
  	//@{
  
  	/**
  	 * \brief Get the Id for this object
  	 *
  	 * @returns the URI attribute string for this object
  	 */
  
  	const XMLCh * getId(void);
  
  	/**
  	 * \brief Returns the MimeType string of this object
  	 *
  	 * @returns a pointer to the buffer containing the Mime Type string
  	 */
  
  	const XMLCh * getMimeType(void);
  
  	/**
  	 * \brief Returns the Encoding string of this object
  	 *
  	 * @returns a pointer to the buffer containing the Encoding string
  	 */
  
  	const XMLCh * getEncoding(void);
  
  	/**
  	 * \brief Returns the Element node for this object
  	 *
  	 * @returns the Element node at the head of this object
  	 */
  
  	const XERCES_CPP_NAMESPACE_QUALIFIER DOMElement * getElement(void);
  
  	//@}
  
  	/** @name Setter functions */
  	//@{
  	
  	/**
  	 * \brief Set the Id attribute for this Object
  	 *
  	 * @id String to use for the Id attribute
  	 */
  
  	void setId(const XMLCh * id);
  
  	/**
  	 * \brief Set the Id attribute for this Object
  	 *
  	 * @type String to use for the MimeType attribute
  	 */
  
  	void setMimeType(const XMLCh * type);
  
  	/**
  	 * \brief Set the Encoding attribute for this Object
  	 *
  	 * @encoding String to use for the Encoding attribute
  	 */
  
  	void setEncoding(const XMLCh * encoding);
  
  	/**
  	 * \brief Add a child node to the Object
  	 *
  	 * This is a "ease of use" function to allow users to add a DOM structure
  	 * that has been built previously into the Object element
  	 */
  
  	void appendChild(XERCES_CPP_NAMESPACE_QUALIFIER DOMNode * child);
  
  	//@}
  
  
  private:
  
  	const XSECEnv		* mp_env;
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMNode
  						* mp_objectNode;
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMNode
  						* mp_idAttr;
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMNode
  						* mp_mimeTypeAttr;
  	XERCES_CPP_NAMESPACE_QUALIFIER DOMNode
  						* mp_encodingAttr;
  
  };
  
  #endif /* DSIGOBJECT_INCLUDE */
  
  
  
  
  1.1                  xml-security/c/src/dsig/DSIGObject.cpp
  
  Index: DSIGObject.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
   *
   * DSIGObject := Defines the container class used by dsig to hold objects
   *				 inside a signture
   *
   * $Id: DSIGObject.cpp,v 1.1 2003/11/22 09:58:07 blautenb Exp $
   *
   */
  
  // XSEC Includes
  
  #include <xsec/framework/XSECDefs.hpp>
  #include <xsec/framework/XSECEnv.hpp>
  #include <xsec/framework/XSECError.hpp>
  #include <xsec/dsig/DSIGConstants.hpp>
  #include <xsec/dsig/DSIGObject.hpp>
  #include <xsec/utils/XSECDOMUtils.hpp>
  
  #include <xercesc/dom/DOM.hpp>
  #include <xercesc/util/XMLUniDefs.hpp>
  
  XERCES_CPP_NAMESPACE_USE
  
  // --------------------------------------------------------------------------------
  //			String Constants
  // --------------------------------------------------------------------------------
  
  static XMLCh s_Object[] = {
  
  	chLatin_O,
  	chLatin_b,
  	chLatin_j,
  	chLatin_e,
  	chLatin_c,
  	chLatin_t,
  	chNull
  };
  
  static XMLCh s_Id[] = {
  
  	chLatin_I,
  	chLatin_d,
  	chNull
  };
  
  static XMLCh s_MimeType[] = {
  
  	chLatin_M,
  	chLatin_i,
  	chLatin_m,
  	chLatin_e,
  	chLatin_T,
  	chLatin_y,
  	chLatin_p,
  	chLatin_e,
  	chNull
  };
  
  static XMLCh s_Encoding[] = {
  
  	chLatin_E,
  	chLatin_n,
  	chLatin_c,
  	chLatin_o,
  	chLatin_d,
  	chLatin_i,
  	chLatin_n,
  	chLatin_g,
  	chNull
  };
  
  // --------------------------------------------------------------------------------
  //           Constructors/Destructor
  // --------------------------------------------------------------------------------
  
  DSIGObject::DSIGObject(const XSECEnv * env, XERCES_CPP_NAMESPACE_QUALIFIER DOMNode *dom) {
  
  	mp_env = env;
  	mp_objectNode = dom;
  	mp_idAttr = NULL;
  	mp_mimeTypeAttr = NULL;
  	mp_encodingAttr = NULL;
  
  }
  
  DSIGObject::DSIGObject(const XSECEnv * env) {
  
  	mp_env = env;
  	mp_objectNode = NULL;
  	mp_idAttr = NULL;
  	mp_mimeTypeAttr = NULL;
  	mp_encodingAttr = NULL;
  
  }
  
  
  
  DSIGObject::~DSIGObject() {}
  
  // --------------------------------------------------------------------------------
  //           Library only
  // --------------------------------------------------------------------------------
  
  
  void DSIGObject::load(void) {
  
  	if (mp_objectNode == NULL || 
  		mp_objectNode->getNodeType() != DOMNode::ELEMENT_NODE || 
  		!strEquals(getDSIGLocalName(mp_objectNode), s_Object)) {
  
  		throw XSECException(XSECException::ObjectError,
  			"Expected <Object> Node in DSIGObject::load");
  
  	}
  
  
  	mp_idAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_Id);
  	mp_mimeTypeAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_MimeType);
  	mp_encodingAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_Encoding);
  
  }
  
  
  DOMElement * DSIGObject::createBlankObject(void) {
  
  	safeBuffer str;
  	const XMLCh * prefix;
  	DOMDocument *doc = mp_env->getParentDocument();
  
  	prefix = mp_env->getDSIGNSPrefix();
  	
  	// Create the transform node
  	makeQName(str, prefix, s_Object);
  	mp_objectNode = doc->createElementNS(DSIGConstants::s_unicodeStrURIDSIG, str.rawXMLChBuffer());
  
  	mp_idAttr = NULL;
  	mp_mimeTypeAttr = NULL;
  	mp_encodingAttr = NULL;
  
  	return (DOMElement *) mp_objectNode;
  
  }
  
  // --------------------------------------------------------------------------------
  //           Get functions
  // --------------------------------------------------------------------------------
  
  
  const XMLCh * DSIGObject::getId(void) {
  
  	if (mp_idAttr != NULL)
  		return mp_idAttr->getNodeValue();
  
  	return NULL;
  
  }
  
  const XMLCh * DSIGObject::getMimeType(void) {
  
  	if (mp_mimeTypeAttr != NULL)
  		return mp_mimeTypeAttr->getNodeValue();
  
  	return NULL;
  
  }
  
  
  const XMLCh * DSIGObject::getEncoding(void) {
  
  	if (mp_encodingAttr != NULL)
  		return mp_encodingAttr->getNodeValue();
  
  	return NULL;
  
  }
  
  const DOMElement * DSIGObject::getElement(void) {
  
  	return (DOMElement *) mp_objectNode;
  
  }
  
  // --------------------------------------------------------------------------------
  //           Set Functions
  // --------------------------------------------------------------------------------
  
  
  void DSIGObject::setId(const XMLCh * id) {
  
  	if (mp_idAttr != NULL) {
  
  		mp_idAttr->setNodeValue(id);
  
  	}
  
  	else {
  
  		((DOMElement *) mp_objectNode)->setAttributeNS(NULL, s_Id, id);
  		mp_idAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_Id);
  
  	}
  
  }
  
  
  void DSIGObject::setMimeType(const XMLCh * type) {
  
  	if (mp_mimeTypeAttr != NULL) {
  
  		mp_mimeTypeAttr->setNodeValue(type);
  
  	}
  
  	else {
  
  		((DOMElement *) mp_objectNode)->setAttributeNS(NULL, s_MimeType, type);
  		mp_mimeTypeAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_MimeType);
  
  	}
  
  }
  
  void DSIGObject::setEncoding(const XMLCh * encoding) {
  
  	if (mp_encodingAttr != NULL) {
  
  		mp_encodingAttr->setNodeValue(encoding);
  
  	}
  
  	else {
  
  		((DOMElement *) mp_objectNode)->setAttributeNS(NULL, s_Encoding, encoding);
  		mp_encodingAttr = ((DOMElement *) mp_objectNode)->getAttributeNodeNS(NULL, s_Encoding);
  
  	}
  
  }
  
  
  void DSIGObject::appendChild(DOMNode * child) {
  
  	if (mp_objectNode == NULL) {
  
  		throw XSECException(XSECException::ObjectError,
  			"DSIGObject::appendChild - Object node has not been created");
  
  	}
  
  	mp_objectNode->appendChild(child);
  
  }