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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.
*/
/* SAMLAudienceRestrictionCondition.cpp - SAML audience condition implementation
Scott Cantor
5/27/02
$History:$
*/
#include "internal.h"
using namespace saml;
using namespace std;
SAMLAudienceRestrictionCondition::SAMLAudienceRestrictionCondition(const Iterator<const XMLCh*>& audiences)
{
RTTI(SAMLAudienceRestrictionCondition);
while (audiences.hasNext())
m_audiences.push_back(XML::assign(audiences.next()));
}
SAMLAudienceRestrictionCondition::SAMLAudienceRestrictionCondition(DOMElement* e)
{
RTTI(SAMLAudienceRestrictionCondition);
fromDOM(e);
}
SAMLAudienceRestrictionCondition::SAMLAudienceRestrictionCondition(istream& in) : SAMLCondition(in)
{
RTTI(SAMLAudienceRestrictionCondition);
fromDOM(m_document->getDocumentElement());
}
SAMLAudienceRestrictionCondition::~SAMLAudienceRestrictionCondition()
{
if (m_bOwnStrings) {
for (vector<const XMLCh*>::const_iterator i=m_audiences.begin(); i!=m_audiences.end(); i++) {
XMLCh* temp=const_cast<XMLCh*>(*i);
XMLString::release(&temp);
}
}
}
void SAMLAudienceRestrictionCondition::ownStrings()
{
if (!m_bOwnStrings) {
for (vector<const XMLCh*>::iterator i=m_audiences.begin(); i!=m_audiences.end(); i++)
(*i)=XML::assign(*i);
m_bOwnStrings=true;
}
}
void SAMLAudienceRestrictionCondition::fromDOM(DOMElement* e)
{
SAMLObject::fromDOM(e);
if (SAMLConfig::getConfig().strict_dom_checking) {
if (XMLString::compareString(XML::SAML_NS,e->getNamespaceURI()))
throw MalformedException("SAMLAudienceRestrictionCondition::fromDOM() missing saml namespace on root element");
if (XMLString::compareString(L(AudienceRestrictionCondition),e->getLocalName())) {
auto_ptr<saml::QName> type(saml::QName::getQNameAttribute(e,XML::XSI_NS,L(type)));
if (XMLString::compareString(L(Condition),e->getLocalName()) ||
!type.get() || XMLString::compareString(XML::SAML_NS,type->getNamespaceURI()) ||
XMLString::compareString(L(AudienceRestrictionConditionType),type->getLocalName()))
throw MalformedException("SAMLAudienceRestrictionCondition::fromDOM() requires saml:AudienceRestrictionCondition at root");
}
}
// Iterate over audiences.
DOMElement* a=XML::getFirstChildElement(e,XML::SAML_NS,L(Audience));
while (a) {
if (a->hasChildNodes())
m_audiences.push_back(a->getFirstChild()->getNodeValue());
a=XML::getNextSiblingElement(a,XML::SAML_NS,L(Audience));
}
checkValidity();
}
void SAMLAudienceRestrictionCondition::setAudiences(const Iterator<const XMLCh*>& audiences)
{
while (m_audiences.size())
removeAudience(0);
while (audiences.hasNext())
addAudience(audiences.next());
}
void SAMLAudienceRestrictionCondition::addAudience(const XMLCh* audience)
{
if (XML::isEmpty(audience))
throw SAMLException("audience cannot be null or empty");
ownStrings();
m_audiences.push_back(XML::assign(audience));
setDirty();
}
void SAMLAudienceRestrictionCondition::removeAudience(unsigned long index)
{
if (m_bOwnStrings) {
XMLCh* ch=const_cast<XMLCh*>(m_audiences[index]);
XMLString::release(&ch);
}
m_audiences.erase(m_audiences.begin()+index);
ownStrings();
setDirty();
}
DOMElement* SAMLAudienceRestrictionCondition::buildRoot(DOMDocument* doc, bool xmlns) const
{
DOMElement* c = doc->createElementNS(XML::SAML_NS, L(AudienceRestrictionCondition));
if (xmlns)
c->setAttributeNS(XML::XMLNS_NS, L(xmlns), XML::SAML_NS);
return c;
}
DOMNode* SAMLAudienceRestrictionCondition::toDOM(DOMDocument* doc, bool xmlns) const
{
SAMLObject::toDOM(doc,xmlns);
DOMElement* c=static_cast<DOMElement*>(m_root);
doc=m_root->getOwnerDocument();
if (m_bDirty) {
for (vector<const XMLCh*>::const_iterator i=m_audiences.begin(); i!=m_audiences.end(); i++)
c->appendChild(doc->createElementNS(XML::SAML_NS,L(Audience)))->appendChild(doc->createTextNode(*i));
setClean();
}
else if (xmlns) {
DECLARE_DEF_NAMESPACE(c,XML::SAML_NS);
}
return m_root;
}
void SAMLAudienceRestrictionCondition::checkValidity() const
{
if (m_audiences.size() == 0)
throw MalformedException("AudienceRestrictionCondition is invalid, requires at least one audience");
}
SAMLObject* SAMLAudienceRestrictionCondition::clone() const
{
return new SAMLAudienceRestrictionCondition(m_audiences);
}
bool SAMLAudienceRestrictionCondition::eval(const Iterator<const XMLCh*>& audiences) const
{
if (m_audiences.empty())
return true;
else if (audiences.size()==0)
return false;
audiences.reset();
while (audiences.hasNext())
{
const XMLCh* current=audiences.next();
for (vector<const XMLCh*>::const_iterator i=m_audiences.begin(); i!=m_audiences.end(); i++)
{
if (!XMLString::compareString(current,*i))
return true;
}
}
return false;
}
#ifdef HAVE_GOOD_STL
bool SAMLAudienceRestrictionCondition::eval(const Iterator<xstring>& audiences) const
{
if (m_audiences.empty())
return true;
else if (audiences.size()==0)
return false;
audiences.reset();
while (audiences.hasNext())
{
const xstring& current=audiences.next();
for (vector<const XMLCh*>::const_iterator i=m_audiences.begin(); i!=m_audiences.end(); i++)
{
if (!XMLString::compareString(current.c_str(),*i))
return true;
}
}
return false;
}
#endif
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