2 * Copyright 2001-2009 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * ContentReference.cpp
20 * SAML-specific signature reference profile
24 #include "signature/ContentReference.h"
25 #include "signature/SignableObject.h"
27 #include <xmltooling/signature/Signature.h>
28 #include <xercesc/util/XMLUniDefs.hpp>
29 #include <xsec/dsig/DSIGReference.hpp>
30 #include <xsec/dsig/DSIGSignature.hpp>
31 #include <xsec/dsig/DSIGTransformC14n.hpp>
33 using namespace opensaml;
34 using namespace xmltooling;
37 void ContentReference::createReferences(DSIGSignature* sig)
39 DSIGReference* ref=NULL;
40 const XMLCh* id=m_signableObject.getXMLID();
42 ref=sig->createReference(&chNull); // whole doc reference
44 XMLCh* buf=new XMLCh[XMLString::stringLen(id) + 2];
47 XMLString::catString(buf,id);
49 ref=sig->createReference(buf, m_digest ? m_digest : DSIGConstants::s_unicodeStrURISHA1);
58 ref->appendEnvelopedSignatureTransform();
59 DSIGTransformC14n* c14n=ref->appendCanonicalizationTransform(m_c14n ? m_c14n : DSIGConstants::s_unicodeStrURIEXC_C14N_NOC);
60 if (!m_c14n || m_c14n == DSIGConstants::s_unicodeStrURIEXC_C14N_NOC || m_c14n == DSIGConstants::s_unicodeStrURIEXC_C14N_COM) {
61 addPrefixes(m_signableObject);
64 for (set<xstring>::const_iterator p = m_prefixes.begin(); p!=m_prefixes.end(); ++p)
65 prefixes += *p + chSpace;
66 if (!prefixes.empty()) {
67 prefixes.erase(prefixes.begin() + prefixes.size() - 1);
68 c14n->setInclusiveNamespaces(XMLString::replicate(prefixes.c_str()));
71 for (set<string>::const_iterator p = m_prefixes.begin(); p!=m_prefixes.end(); ++p)
72 c14n->addInclusiveNamespace(p->c_str());
77 void ContentReference::addInclusivePrefix(const XMLCh* prefix)
79 static const XMLCh _default[] = { chPound, chLatin_d, chLatin_e, chLatin_f, chLatin_a, chLatin_u, chLatin_l, chLatin_t, chNull };
82 if (prefix && *prefix)
83 m_prefixes.insert(prefix);
85 m_prefixes.insert(_default);
87 if (prefix && *prefix) {
88 auto_ptr_char p(prefix);
89 m_prefixes.insert(p.get());
92 m_prefixes.insert("#default");
96 void ContentReference::addPrefixes(const std::set<Namespace>& namespaces)
98 for (set<Namespace>::const_iterator n = namespaces.begin(); n!=namespaces.end(); ++n) {
99 // Check for xmlns:xml.
100 if (!XMLString::equals(n->getNamespacePrefix(), xmlconstants::XML_PREFIX) || !XMLString::equals(n->getNamespaceURI(), xmlconstants::XML_NS))
101 addInclusivePrefix(n->getNamespacePrefix());
105 void ContentReference::addPrefixes(const XMLObject& xmlObject)
107 addPrefixes(xmlObject.getNamespaces());
108 const list<XMLObject*>& children = xmlObject.getOrderedChildren();
109 for (list<XMLObject*>::const_iterator child = children.begin(); child!=children.end(); ++child) {
111 addPrefixes(*(*child));