| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /* |
| * XSEC |
| * |
| * DSIGTransformBase64 := Class that holds a Base64 transform structure |
| * |
| * $Id$ |
| * |
| */ |
| |
| // XSEC |
| |
| #include <xsec/dsig/DSIGTransformBase64.hpp> |
| #include <xsec/dsig/DSIGSignature.hpp> |
| #include <xsec/framework/XSECException.hpp> |
| #include <xsec/framework/XSECEnv.hpp> |
| #include <xsec/framework/XSECError.hpp> |
| #include <xsec/transformers/TXFMBase64.hpp> |
| #include <xsec/transformers/TXFMC14n.hpp> |
| #include <xsec/transformers/TXFMChain.hpp> |
| #include <xsec/transformers/TXFMXPath.hpp> |
| |
| #include "../utils/XSECDOMUtils.hpp" |
| |
| XERCES_CPP_NAMESPACE_USE |
| |
| // -------------------------------------------------------------------------------- |
| // Constructors and Destructors |
| // -------------------------------------------------------------------------------- |
| |
| DSIGTransformBase64::DSIGTransformBase64(const XSECEnv * env, DOMNode * node) : |
| DSIGTransform(env, node) {}; |
| |
| |
| DSIGTransformBase64::DSIGTransformBase64(const XSECEnv * env) : |
| DSIGTransform(env) {}; |
| |
| |
| DSIGTransformBase64::~DSIGTransformBase64() {}; |
| |
| // -------------------------------------------------------------------------------- |
| // Interface Methods |
| // -------------------------------------------------------------------------------- |
| |
| |
| void DSIGTransformBase64::appendTransformer(TXFMChain * input) { |
| |
| // If the input is a Nodeset then we need to find the text from the input |
| |
| if (input->getLastTxfm()->getOutputType() == TXFMBase::DOM_NODES) { |
| |
| if (input->getLastTxfm()->getNodeType() != TXFMBase::DOM_NODE_XPATH_NODESET) { |
| |
| #ifndef XSEC_HAVE_XPATH |
| |
| throw XSECException(XSECException::UnsupportedFunction, |
| "Unable to extract Base64 text from Nodes without XPath support"); |
| |
| } |
| |
| #else |
| |
| // Use an XPath transform to get "Self::text()" from the nodeset |
| |
| TXFMXPath *x; |
| |
| XSECnew(x, TXFMXPath(mp_txfmNode->getOwnerDocument())); |
| input->appendTxfm(x); |
| ((TXFMXPath *) x)->evaluateExpr(mp_txfmNode, "self::text()"); |
| |
| } |
| |
| TXFMC14n *c; |
| |
| // Now use c14n to translate to BYTES |
| |
| XSECnew(c, TXFMC14n(mp_txfmNode->getOwnerDocument())); |
| input->appendTxfm(c); |
| #endif |
| |
| } |
| |
| // Now the actual Base64 |
| |
| TXFMBase64 *b; |
| XSECnew(b, TXFMBase64(mp_txfmNode->getOwnerDocument())); |
| input->appendTxfm(b); |
| |
| } |
| |
| DOMElement * DSIGTransformBase64::createBlankTransform(DOMDocument * parentDoc) { |
| |
| safeBuffer str; |
| const XMLCh * prefix; |
| DOMElement *ret; |
| DOMDocument *doc = mp_env->getParentDocument(); |
| |
| prefix = mp_env->getDSIGNSPrefix(); |
| |
| // Create the transform node |
| makeQName(str, prefix, "Transform"); |
| ret = doc->createElementNS(DSIGConstants::s_unicodeStrURIDSIG, str.rawXMLChBuffer()); |
| ret->setAttributeNS(NULL,DSIGConstants::s_unicodeStrAlgorithm, DSIGConstants::s_unicodeStrURIBASE64); |
| |
| mp_txfmNode = ret; |
| |
| return ret; |
| |
| } |
| |
| void DSIGTransformBase64::load(void) { |
| |
| // Do nothing for a Base64 transform |
| |
| } |