/* * The Apache Software License, Version 1.1 * * * Copyright (c) 1999 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 "" 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, . * The development of this software was partly funded by the European * Commission in the project in the ISIS Programme. * For more information on the Apache Software Foundation, please see * . */ /* * XSEC * * DSIGTransformXSL := Class that Handles DSIG XSLT Transforms * * Author(s): Berin Lautenbach * * $Id: DSIGTransformXSL.cpp,v 1.3 2003/02/21 11:53:06 blautenb Exp $ * */ // XSEC #include #include #include #include #include #include #include #include // -------------------------------------------------------------------------------- // Constructors and Destructors // -------------------------------------------------------------------------------- DSIGTransformXSL::DSIGTransformXSL(DSIGSignature *sig, DOMNode * node) : DSIGTransform(sig, node), mp_stylesheetNode(NULL) {}; DSIGTransformXSL::DSIGTransformXSL(DSIGSignature *sig) : DSIGTransform(sig), mp_stylesheetNode(NULL) {}; DSIGTransformXSL::~DSIGTransformXSL() {}; // -------------------------------------------------------------------------------- // Interface Methods // -------------------------------------------------------------------------------- transformType DSIGTransformXSL::getTransformType() { return TRANSFORM_XSLT; } void DSIGTransformXSL::appendTransformer(TXFMChain * input) { #ifdef XSEC_NO_XSLT throw XSECException(XSECException::UnsupportedFunction, "XSLT Transforms not supported in this compilation of the library"); #else if (mp_stylesheetNode == 0) throw XSECException(XSECException::XSLError, "Style Sheet not found for XSL Transform"); TXFMBase * nextInput; // XSLT Transform - requires a byte stream input if (input->getLastTxfm()->getOutputType() == TXFMBase::DOM_NODES) { // Use c14n to translate to BYTES XSECnew(nextInput, TXFMC14n(mp_txfmNode->getOwnerDocument())); input->appendTxfm(nextInput); } TXFMXSL * x; // Create the XSLT transform XSECnew(x, TXFMXSL(mp_txfmNode->getOwnerDocument())); input->appendTxfm(x); // Again use C14n (convenient) to translate to a SafeBuffer XSECC14n20010315 c14n(mp_txfmNode->getOwnerDocument(), mp_stylesheetNode); safeBuffer sbStyleSheet; unsigned int size, count; unsigned char buf[512]; size = 0; while ((count = c14n.outputBuffer(buf, 512)) != 0) { sbStyleSheet.sbMemcpyIn(size, buf, count); size += count; } sbStyleSheet[size] = '\0'; // Terminate as though a string x->evaluateStyleSheet(sbStyleSheet); #endif /* NO_XSLT */ } DOMElement * DSIGTransformXSL::createBlankTransform(DOMDocument * parentDoc) { safeBuffer str; const XMLCh * prefix; DOMElement *ret; DOMDocument *doc = mp_parentSignature->getParentDocument(); prefix = mp_parentSignature->getDSIGNSPrefix(); // Create the transform node makeQName(str, prefix, "Transform"); ret = doc->createElementNS(DSIGConstants::s_unicodeStrURIDSIG, str.rawXMLChBuffer()); ret->setAttribute(DSIGConstants::s_unicodeStrAlgorithm, DSIGConstants::s_unicodeStrURIXSLT); mp_txfmNode = ret; mp_stylesheetNode = NULL; return ret; } void DSIGTransformXSL::load(void) { // find the style sheet mp_stylesheetNode = mp_txfmNode->getFirstChild(); while (mp_stylesheetNode != 0 && mp_stylesheetNode->getNodeType() != DOMNode::ELEMENT_NODE && !strEquals(mp_stylesheetNode->getNodeName(), "xsl:stylesheet")) mp_stylesheetNode = mp_stylesheetNode->getNextSibling(); if (mp_stylesheetNode == 0) throw XSECException(XSECException::XSLError, "Style Sheet not found for XSL Transform"); } // -------------------------------------------------------------------------------- // XSLT Specific Methods // -------------------------------------------------------------------------------- DOMNode * DSIGTransformXSL::setStylesheet(DOMNode * stylesheet) { DOMNode * ret = mp_stylesheetNode; if (mp_stylesheetNode != 0) { mp_txfmNode->insertBefore(stylesheet, mp_stylesheetNode); mp_txfmNode->removeChild(mp_stylesheetNode); } mp_stylesheetNode = stylesheet; return ret; } DOMNode * DSIGTransformXSL::getStylesheet(void) { return mp_stylesheetNode; }