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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.
*/
/* SAMLAttributeStatement.cpp - SAML attribute statement implementation
Scott Cantor
5/23/02
$History:$
*/
#include "internal.h"
using namespace saml;
using namespace std;
SAMLAttributeStatement::SAMLAttributeStatement(SAMLSubject* subject, const Iterator<SAMLAttribute*>& attributes)
: SAMLSubjectStatement(subject)
{
RTTI(SAMLAttributeStatement);
while (attributes.hasNext())
m_attributes.push_back(static_cast<SAMLAttribute*>(attributes.next()->setParent(this)));
}
SAMLAttributeStatement::SAMLAttributeStatement(DOMElement* e) : SAMLSubjectStatement(e)
{
RTTI(SAMLAttributeStatement);
fromDOM(e);
}
SAMLAttributeStatement::SAMLAttributeStatement(istream& in) : SAMLSubjectStatement(in)
{
RTTI(SAMLAttributeStatement);
fromDOM(m_document->getDocumentElement());
}
SAMLAttributeStatement::~SAMLAttributeStatement()
{
for (vector<SAMLAttribute*>::const_iterator i=m_attributes.begin(); i!=m_attributes.end(); i++)
delete (*i);
}
void SAMLAttributeStatement::fromDOM(DOMElement* e)
{
if (SAMLConfig::getConfig().strict_dom_checking) {
if (XMLString::compareString(XML::SAML_NS,e->getNamespaceURI()))
throw MalformedException("SAMLAttributeStatement::fromDOM() missing saml namespace on root element");
if (XMLString::compareString(L(AttributeStatement),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(AttributeStatementType),type->getLocalName()))
throw MalformedException("SAMLAttributeStatement::fromDOM() requires saml:AttributeStatement at root");
}
}
DOMElement* a = XML::getFirstChildElement(e,XML::SAML_NS,L(Attribute));
while (a) {
try {
SAMLAttribute* attr=SAMLAttribute::getInstance(a);
m_attributes.push_back(static_cast<SAMLAttribute*>(attr->setParent(this)));
}
catch (SAMLException& ex) {
SAML_log.warn("exception while instantiating a SAMLAttribute: %s",ex.what());
}
a=XML::getNextSiblingElement(a,XML::SAML_NS,L(Attribute));
}
checkValidity();
}
void SAMLAttributeStatement::setAttributes(const Iterator<SAMLAttribute*>& attributes)
{
while (m_attributes.size())
removeAttribute(0);
while (attributes.hasNext())
addAttribute(attributes.next());
}
void SAMLAttributeStatement::addAttribute(SAMLAttribute* attribute)
{
if (attribute) {
attribute->setParent(this);
m_attributes.push_back(attribute);
ownStrings();
setDirty();
}
else
throw MalformedException("attribute cannot be null");
}
void SAMLAttributeStatement::removeAttribute(unsigned long index)
{
SAMLAttribute* kill=m_attributes[index];
m_attributes.erase(m_attributes.begin()+index);
delete kill;
ownStrings();
setDirty();
}
DOMElement* SAMLAttributeStatement::buildRoot(DOMDocument* doc, bool xmlns) const
{
DOMElement* s = doc->createElementNS(XML::SAML_NS, L(AttributeStatement));
if (xmlns) {
s->setAttributeNS(XML::XMLNS_NS,L(xmlns),XML::SAML_NS);
s->setAttributeNS(XML::XMLNS_NS,L_QNAME(xmlns,xsi),XML::XSI_NS);
s->setAttributeNS(XML::XMLNS_NS,L_QNAME(xmlns,xsd),XML::XSD_NS);
}
return s;
}
DOMNode* SAMLAttributeStatement::toDOM(DOMDocument* doc, bool xmlns) const
{
SAMLSubjectStatement::toDOM(doc,xmlns);
DOMElement* s=static_cast<DOMElement*>(m_root);
if (m_bDirty) {
for (vector<SAMLAttribute*>::const_iterator i=m_attributes.begin(); i!=m_attributes.end(); i++)
s->appendChild((*i)->toDOM(m_root->getOwnerDocument(),false));
setClean();
}
else if (xmlns) {
DECLARE_DEF_NAMESPACE(s,XML::SAML_NS);
DECLARE_NAMESPACE(s,xsi,XML::XSI_NS);
DECLARE_NAMESPACE(s,xsd,XML::XSD_NS);
}
return s;
}
void SAMLAttributeStatement::checkValidity() const
{
SAMLSubjectStatement::checkValidity();
if (m_attributes.empty())
throw MalformedException("AttributeStatement is invalid, requires at least one attribute");
}
SAMLObject* SAMLAttributeStatement::clone() const
{
return new SAMLAttributeStatement(static_cast<SAMLSubject*>(m_subject->clone()),getAttributes().clone());
}
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