--- /dev/null
+/**
+ * Licensed to the University Corporation for Advanced Internet
+ * Development, Inc. (UCAID) under one or more contributor license
+ * agreements. See the NOTICE file distributed with this work for
+ * additional information regarding copyright ownership.
+ *
+ * UCAID 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.
+ */
+
+/**
+ * CaseFoldingAttributeResolver.cpp
+ *
+ * Attribute Resolver plugins for upcasing and downcasing.
+ */
+
+#include "internal.h"
+
+#include <algorithm>
+#include <shibsp/exceptions.h>
+#include <shibsp/SessionCache.h>
+#include <shibsp/attribute/SimpleAttribute.h>
+#include <shibsp/attribute/resolver/AttributeResolver.h>
+#include <shibsp/attribute/resolver/ResolutionContext.h>
+#include <xmltooling/XMLToolingConfig.h>
+#include <xmltooling/util/XMLHelper.h>
+#include <xercesc/util/XMLUniDefs.hpp>
+
+using namespace shibsp;
+using namespace xmltooling;
+using namespace xercesc;
+using namespace std;
+
+namespace shibsp {
+
+ class SHIBSP_DLLLOCAL FoldingContext : public ResolutionContext
+ {
+ public:
+ FoldingContext(const vector<Attribute*>* attributes) : m_inputAttributes(attributes) {
+ }
+
+ ~FoldingContext() {
+ for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
+ }
+
+ const vector<Attribute*>* getInputAttributes() const {
+ return m_inputAttributes;
+ }
+ vector<Attribute*>& getResolvedAttributes() {
+ return m_attributes;
+ }
+ vector<opensaml::Assertion*>& getResolvedAssertions() {
+ return m_assertions;
+ }
+
+ private:
+ const vector<Attribute*>* m_inputAttributes;
+ vector<Attribute*> m_attributes;
+ static vector<opensaml::Assertion*> m_assertions; // empty dummy
+ };
+
+
+ class SHIBSP_DLLLOCAL CaseFoldingAttributeResolver : public AttributeResolver
+ {
+ public:
+ enum case_t {
+ _up,
+ _down
+ };
+
+ CaseFoldingAttributeResolver(const DOMElement* e, case_t direction);
+ virtual ~CaseFoldingAttributeResolver() {}
+
+ Lockable* lock() {
+ return this;
+ }
+ void unlock() {
+ }
+
+ ResolutionContext* createResolutionContext(
+ const Application& application,
+ const opensaml::saml2md::EntityDescriptor* issuer,
+ const XMLCh* protocol,
+ const opensaml::saml2::NameID* nameid=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const opensaml::Assertion*>* tokens=nullptr,
+ const vector<Attribute*>* attributes=nullptr
+ ) const {
+ // Make sure new method gets run.
+ return createResolutionContext(application, nullptr, issuer, protocol, nameid, authncontext_class, authncontext_decl, tokens, attributes);
+ }
+
+ ResolutionContext* createResolutionContext(
+ const Application& application,
+ const GenericRequest* request,
+ const opensaml::saml2md::EntityDescriptor* issuer,
+ const XMLCh* protocol,
+ const opensaml::saml2::NameID* nameid=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const opensaml::Assertion*>* tokens=nullptr,
+ const vector<Attribute*>* attributes=nullptr
+ ) const {
+ return new FoldingContext(attributes);
+ }
+
+ ResolutionContext* createResolutionContext(const Application& application, const Session& session) const {
+ return new FoldingContext(&session.getAttributes());
+ }
+
+ void resolveAttributes(ResolutionContext& ctx) const;
+
+ void getAttributeIds(vector<string>& attributes) const {
+ if (!m_dest.empty() && !m_dest.front().empty())
+ attributes.push_back(m_dest.front());
+ }
+
+ private:
+ Category& m_log;
+ case_t m_direction;
+ string m_source;
+ vector<string> m_dest;
+ };
+
+ static const XMLCh dest[] = UNICODE_LITERAL_4(d,e,s,t);
+ static const XMLCh source[] = UNICODE_LITERAL_6(s,o,u,r,c,e);
+
+ AttributeResolver* SHIBSP_DLLLOCAL UpperCaseAttributeResolverFactory(const DOMElement* const & e)
+ {
+ return new CaseFoldingAttributeResolver(e, CaseFoldingAttributeResolver::_up);
+ }
+
+ AttributeResolver* SHIBSP_DLLLOCAL LowerCaseAttributeResolverFactory(const DOMElement* const & e)
+ {
+ return new CaseFoldingAttributeResolver(e, CaseFoldingAttributeResolver::_down);
+ }
+};
+
+vector<opensaml::Assertion*> FoldingContext::m_assertions;
+
+CaseFoldingAttributeResolver::CaseFoldingAttributeResolver(const DOMElement* e, case_t direction)
+ : m_log(Category::getInstance(SHIBSP_LOGCAT".AttributeResolver.CaseFolding")),
+ m_direction(direction),
+ m_source(XMLHelper::getAttrString(e, nullptr, source)),
+ m_dest(1, XMLHelper::getAttrString(e, nullptr, dest))
+{
+ if (m_source.empty())
+ throw ConfigurationException("CaseFolding AttributeResolver requires source attribute.");
+}
+
+
+void CaseFoldingAttributeResolver::resolveAttributes(ResolutionContext& ctx) const
+{
+ FoldingContext& fctx = dynamic_cast<FoldingContext&>(ctx);
+ if (!fctx.getInputAttributes())
+ return;
+
+ auto_ptr<SimpleAttribute> destwrapper;
+
+ for (vector<Attribute*>::const_iterator a = fctx.getInputAttributes()->begin(); a != fctx.getInputAttributes()->end(); ++a) {
+ if (m_source != (*a)->getId() || (*a)->valueCount() == 0) {
+ continue;
+ }
+
+ SimpleAttribute* dest = nullptr;
+ if (m_dest.empty() || m_dest.front().empty()) {
+ // Can we transform in-place?
+ dest = dynamic_cast<SimpleAttribute*>(*a);
+ if (!dest) {
+ m_log.warn("can't %scase non-simple attribute (%s) 'in place'", (m_direction==_up ? "up" : "down"), m_source.c_str());
+ continue;
+ }
+ m_log.debug("applying in-place transform to source attribute (%s)", m_source.c_str());
+ }
+ else if (!destwrapper.get()) {
+ // Create a destination attribute.
+ destwrapper.reset(new SimpleAttribute(m_dest));
+ m_log.debug("applying transform from source attribute (%s) to dest attribute (%s)", m_source.c_str(), m_dest.front().c_str());
+ }
+
+ for (size_t i = 0; i < (*a)->valueCount(); ++i) {
+ try {
+ XMLCh* srcval = fromUTF8((*a)->getSerializedValues()[i].c_str());
+ if (srcval) {
+ auto_arrayptr<XMLCh> valjanitor(srcval);
+ (m_direction == _up) ? XMLString::upperCase(srcval) : XMLString::lowerCase(srcval);
+ auto_arrayptr<char> narrow(toUTF8(srcval));
+ if (dest) {
+ // Modify in place.
+ dest->getValues()[i] = narrow.get();
+ }
+ else {
+ // Add to new object.
+ destwrapper->getValues().push_back(narrow.get());
+ }
+ }
+ }
+ catch (XMLException& ex) {
+ auto_ptr_char msg(ex.getMessage());
+ m_log.error("caught error performing conversion: %s", msg.get());
+ }
+ }
+ }
+
+ // Save off new object.
+ if (destwrapper.get()) {
+ ctx.getResolvedAttributes().push_back(destwrapper.get());
+ destwrapper.release();
+ }
+}
projects / shibboleth / cpp-sp.git / commitdiff