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/*
* Copyright 2001-2005 Internet2
*
* Licensed 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.
*/
/*
-----------------------------------------
file : SAMLAuthorizationDecisionStatement.cpp
project : Policy Server
date :
author : andy
rights : (c) Parthenon Computing
notes : extension to openSAML C++ library (based on Java class)
--------------------------------------------
*/
#include "internal.h"
using namespace saml;
using namespace std;
SAMLAuthorizationDecisionStatement::SAMLAuthorizationDecisionStatement(
SAMLSubject* subject,
const XMLCh* resource,
const XMLCh* decision,
const Iterator<SAMLAction*>& actions,
SAMLEvidence* evidence
) : SAMLSubjectStatement(subject), m_resource(XML::assign(resource)), m_decision(XML::assign(decision)), m_evidence(NULL)
{
RTTI(SAMLAuthorizationDecisionStatement);
while(actions.hasNext())
m_actions.push_back(static_cast<SAMLAction*>(actions.next()->setParent(this)));
if(evidence) {
evidence->setParent(this);
m_evidence = evidence;
}
}
SAMLAuthorizationDecisionStatement::SAMLAuthorizationDecisionStatement(DOMElement* e)
: SAMLSubjectStatement(e), m_resource(NULL), m_decision(NULL), m_evidence(NULL)
{
RTTI(SAMLAuthorizationDecisionStatement);
fromDOM(e);
}
SAMLAuthorizationDecisionStatement::SAMLAuthorizationDecisionStatement(std::istream& in)
: SAMLSubjectStatement(in), m_resource(NULL), m_decision(NULL), m_evidence(NULL)
{
RTTI(SAMLAuthorizationDecisionStatement);
fromDOM(m_document->getDocumentElement());
}
SAMLAuthorizationDecisionStatement::~SAMLAuthorizationDecisionStatement()
{
if(m_bOwnStrings) {
XMLString::release(&m_resource);
XMLString::release(&m_decision);
}
for (vector<SAMLAction*>::const_iterator i=m_actions.begin(); i!=m_actions.end(); i++)
delete (*i);
delete m_evidence;
}
void SAMLAuthorizationDecisionStatement::ownStrings()
{
if (!m_bOwnStrings) {
m_resource=XML::assign(m_resource);
m_decision=XML::assign(m_decision);
m_bOwnStrings=true;
}
}
void SAMLAuthorizationDecisionStatement::fromDOM(DOMElement* e)
{
if (SAMLConfig::getConfig().strict_dom_checking) {
if (XMLString::compareString(XML::SAML_NS,e->getNamespaceURI()))
throw MalformedException("SAMLAuthorizationDecisionStatement::fromDOM() missing saml namespace on root element");
if (XMLString::compareString(L(AuthorizationDecisionStatement),e->getLocalName())) {
auto_ptr<saml::QName> type(saml::QName::getQNameAttribute(e,XML::XSI_NS,L(type)));
if ((XMLString::compareString(L(Statement),e->getLocalName()) && XMLString::compareString(L(SubjectStatement),e->getLocalName())) ||
!type.get() || XMLString::compareString(XML::SAML_NS,type->getNamespaceURI()) ||
XMLString::compareString(L(AuthorizationDecisionStatementType),type->getLocalName()))
throw MalformedException("SAMLAuthorizationDecisionStatement::fromDOM() requires saml:AuthorizationDecisionStatement at root");
}
}
// attributes: resource, decision
m_resource = const_cast<XMLCh*>(e->getAttributeNS(NULL,L(Resource)));
m_decision = const_cast<XMLCh*>(e->getAttributeNS(NULL,L(Decision)));
// the remaining top-level children (subject has been deserialized in the base
// class) are either actions or evidence
DOMElement* n=XML::getFirstChildElement(e);
while(n) {
if (XML::isElementNamed(n,XML::SAML_NS,L(Action))) {
SAMLAction* a=new SAMLAction(n);
m_actions.push_back(static_cast<SAMLAction*>(a->setParent(this)));
}
else if (XML::isElementNamed(n,XML::SAML_NS,L(Evidence))) {
m_evidence = new SAMLEvidence(n);
m_evidence->setParent(this);
}
n=XML::getNextSiblingElement(n);
}
checkValidity();
}
void SAMLAuthorizationDecisionStatement::setResource(const XMLCh* resource)
{
if (XML::isEmpty(resource))
throw SAMLException("resource cannot be null or empty");
if (m_bOwnStrings)
XMLString::release(&m_resource);
else {
m_resource=NULL;
ownStrings();
}
m_resource=XML::assign(resource);
setDirty();
}
void SAMLAuthorizationDecisionStatement::setDecision(const XMLCh* decision)
{
if (XML::isEmpty(decision))
throw SAMLException("decision cannot be null or empty");
if (m_bOwnStrings)
XMLString::release(&m_decision);
else {
m_decision=NULL;
ownStrings();
}
m_decision=XML::assign(decision);
setDirty();
}
void SAMLAuthorizationDecisionStatement::setActions(const Iterator<SAMLAction*>& actions)
{
while (m_actions.size())
removeAction(0);
while (actions.hasNext())
addAction(actions.next());
}
void SAMLAuthorizationDecisionStatement::addAction(SAMLAction* action)
{
if (action) {
action->setParent(this);
m_actions.push_back(action);
ownStrings();
setDirty();
}
else
throw SAMLException("action cannot be null");
}
void SAMLAuthorizationDecisionStatement::removeAction(unsigned long index)
{
SAMLAction* kill=m_actions[index];
m_actions.erase(m_actions.begin()+index);
delete kill;
ownStrings();
setDirty();
}
void SAMLAuthorizationDecisionStatement::setEvidence(SAMLEvidence* evidence)
{
delete m_evidence;
m_evidence=NULL;
if (evidence)
m_evidence=static_cast<SAMLEvidence*>(evidence->setParent(this));
ownStrings();
setDirty();
}
DOMElement* SAMLAuthorizationDecisionStatement::buildRoot(DOMDocument* doc, bool xmlns) const
{
DOMElement* s=doc->createElementNS(XML::SAML_NS,L(AuthorizationDecisionStatement));
if (xmlns)
s->setAttributeNS(XML::XMLNS_NS,L(xmlns),XML::SAML_NS);
return s;
}
DOMNode* SAMLAuthorizationDecisionStatement::toDOM(DOMDocument* doc, bool xmlns) const
{
SAMLSubjectStatement::toDOM(doc, xmlns);
DOMElement* s=static_cast<DOMElement*>(m_root);
doc=s->getOwnerDocument();
// Construct an AuthorizationDecisionStatement
if (m_bDirty) {
s->setAttributeNS(NULL,L(Resource),m_resource);
s->setAttributeNS(NULL,L(Decision),m_decision);
for (vector<SAMLAction*>::const_iterator i=m_actions.begin(); i!=m_actions.end(); i++)
s->appendChild((*i)->toDOM(doc,false));
if(m_evidence)
s->appendChild(m_evidence->toDOM(doc,false));
setClean();
}
else if (xmlns) {
DECLARE_DEF_NAMESPACE(s,XML::SAML_NS);
}
return m_root;
}
void SAMLAuthorizationDecisionStatement::checkValidity() const
{
SAMLSubjectStatement::checkValidity();
if (XML::isEmpty(m_resource) || XML::isEmpty(m_decision) || m_actions.empty())
throw MalformedException("SAMLAuthorizationDecisionStatement invalid, requires a resource, a decision and at least one action");
}
SAMLObject* SAMLAuthorizationDecisionStatement::clone() const
{
return new SAMLAuthorizationDecisionStatement(
static_cast<SAMLSubject*>(m_subject->clone()),
m_resource,
m_decision,
getActions().clone(),
m_evidence ? static_cast<SAMLEvidence*>(m_evidence->clone()) : NULL
);
}
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