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22 * ChainingSessionInitiator.cpp
24 * Chains together multiple SessionInitiator handlers in sequence.
28 #include "exceptions.h"
29 #include "handler/AbstractHandler.h"
30 #include "handler/SessionInitiator.h"
31 #include "util/SPConstants.h"
33 #include <boost/bind.hpp>
34 #include <boost/ptr_container/ptr_vector.hpp>
35 #include <xercesc/util/XMLUniDefs.hpp>
36 #include <xmltooling/util/XMLHelper.h>
38 using namespace shibsp;
39 using namespace xmltooling;
40 using namespace boost;
45 #if defined (_MSC_VER)
46 #pragma warning( push )
47 #pragma warning( disable : 4250 )
50 class SHIBSP_DLLLOCAL ChainingSessionInitiator : public SessionInitiator, public AbstractHandler
53 ChainingSessionInitiator(const DOMElement* e, const char* appId);
54 virtual ~ChainingSessionInitiator() {}
56 pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
59 void generateMetadata(opensaml::saml2md::SPSSODescriptor& role, const char* handlerURL) const {
60 doGenerateMetadata(role, handlerURL); // assumes all chains support the RequestInitiator protocol
61 for_each(m_handlers.begin(), m_handlers.end(), boost::bind(&SessionInitiator::generateMetadata, _1, boost::ref(role), handlerURL));
66 ptr_vector<SessionInitiator> m_handlers;
69 #if defined (_MSC_VER)
70 #pragma warning( pop )
73 static const XMLCh _SessionInitiator[] = UNICODE_LITERAL_16(S,e,s,s,i,o,n,I,n,i,t,i,a,t,o,r);
74 static const XMLCh _type[] = UNICODE_LITERAL_4(t,y,p,e);
76 class SHIBSP_DLLLOCAL SessionInitiatorNodeFilter : public DOMNodeFilter
79 #ifdef SHIBSP_XERCESC_SHORT_ACCEPTNODE
84 acceptNode(const DOMNode* node) const {
85 if (XMLHelper::isNodeNamed(node,shibspconstants::SHIB2SPCONFIG_NS,_SessionInitiator))
91 static SHIBSP_DLLLOCAL SessionInitiatorNodeFilter g_SINFilter;
93 SessionInitiator* SHIBSP_DLLLOCAL ChainingSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
95 return new ChainingSessionInitiator(p.first, p.second);
99 ChainingSessionInitiator::ChainingSessionInitiator(const DOMElement* e, const char* appId)
100 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".SessionInitiator.Chaining"), &g_SINFilter)
102 SPConfig& conf = SPConfig::getConfig();
104 // Load up the chain of handlers.
105 e = e ? XMLHelper::getFirstChildElement(e, _SessionInitiator) : nullptr;
107 string t(XMLHelper::getAttrString(e, nullptr, _type));
110 auto_ptr<SessionInitiator> np(conf.SessionInitiatorManager.newPlugin(t.c_str(), make_pair(e, appId)));
111 m_handlers.push_back(np.get());
113 m_handlers.back().setParent(this);
115 catch (std::exception& ex) {
116 m_log.error("caught exception processing embedded SessionInitiator element: %s", ex.what());
119 e = XMLHelper::getNextSiblingElement(e, _SessionInitiator);
122 m_supportedOptions.insert("isPassive");
125 pair<bool,long> ChainingSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
127 if (!checkCompatibility(request, isHandler))
128 return make_pair(false, 0L);
131 for (ptr_vector<SessionInitiator>::const_iterator i = m_handlers.begin(); i != m_handlers.end(); ++i) {
132 ret = i->run(request, entityID, isHandler);
136 throw ConfigurationException("None of the configured SessionInitiators handled the request.");