/*
- * Copyright 2001-2007 Internet2
- *
+ * Copyright 2001-2010 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
/**
* SAML2LogoutInitiator.cpp
- *
+ *
* Triggers SP-initiated logout for SAML 2.0 sessions.
*/
#include "ServiceProvider.h"
#include "SessionCache.h"
#include "handler/AbstractHandler.h"
-#include "handler/LogoutHandler.h"
+#include "handler/LogoutInitiator.h"
#ifndef SHIBSP_LITE
# include "binding/SOAPClient.h"
+# include "metadata/MetadataProviderCriteria.h"
+# include "security/SecurityPolicy.h"
+# include <saml/exceptions.h>
# include <saml/SAMLConfig.h>
# include <saml/saml2/core/Protocols.h>
# include <saml/saml2/binding/SAML2SOAPClient.h>
# include <saml/saml2/metadata/EndpointManager.h>
+# include <saml/saml2/metadata/Metadata.h>
# include <saml/saml2/metadata/MetadataCredentialCriteria.h>
using namespace opensaml::saml2;
using namespace opensaml::saml2p;
#pragma warning( push )
#pragma warning( disable : 4250 )
#endif
-
- class SHIBSP_DLLLOCAL SAML2LogoutInitiator : public AbstractHandler, public LogoutHandler
+
+ class SHIBSP_DLLLOCAL SAML2LogoutInitiator : public AbstractHandler, public LogoutInitiator
{
public:
SAML2LogoutInitiator(const DOMElement* e, const char* appId);
}
#endif
}
-
+
void setParent(const PropertySet* parent);
void receive(DDF& in, ostream& out);
pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
-#ifndef SHIBSP_LITE
- const char* getType() const {
- return "LogoutInitiator";
+ const XMLCh* getProtocolFamily() const {
+ return samlconstants::SAML20P_NS;
}
-#endif
private:
pair<bool,long> doRequest(
string m_appId;
#ifndef SHIBSP_LITE
LogoutRequest* buildRequest(
- const Application& application, const Session& session, const RoleDescriptor& role, const MessageEncoder* encoder=NULL
+ const Application& application, const Session& session, const RoleDescriptor& role, const MessageEncoder* encoder=nullptr
) const;
XMLCh* m_outgoing;
SAML2LogoutInitiator::SAML2LogoutInitiator(const DOMElement* e, const char* appId)
: AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".LogoutInitiator.SAML2")), m_appId(appId),
#ifndef SHIBSP_LITE
- m_outgoing(NULL),
+ m_outgoing(nullptr),
#endif
m_protocol(samlconstants::SAML20P_NS)
{
try {
auto_ptr_char b(start);
MessageEncoder * encoder =
- SAMLConfig::getConfig().MessageEncoderManager.newPlugin(b.get(),pair<const DOMElement*,const XMLCh*>(e,NULL));
- m_encoders[start] = encoder;
- m_log.debug("supporting outgoing binding (%s)", b.get());
+ SAMLConfig::getConfig().MessageEncoderManager.newPlugin(b.get(),pair<const DOMElement*,const XMLCh*>(e,nullptr));
+ if (encoder->isUserAgentPresent() && XMLString::equals(getProtocolFamily(), encoder->getProtocolFamily())) {
+ m_encoders[start] = encoder;
+ m_log.debug("supporting outgoing binding (%s)", b.get());
+ }
+ else {
+ delete encoder;
+ m_log.warn("skipping outgoing binding (%s), not a SAML 2.0 front-channel mechanism", b.get());
+ }
}
catch (exception& ex) {
m_log.error("error building MessageEncoder: %s", ex.what());
// At this point we know the front-channel is handled.
// We need the session to do any other work.
- Session* session = NULL;
+ Session* session = nullptr;
try {
session = request.getSession(false, true, false); // don't cache it and ignore all checks
if (!session)
// Find application.
const char* aid=in["application_id"].string();
- const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
+ const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
if (!app) {
// Something's horribly wrong.
m_log.error("couldn't find application (%s) for logout", aid ? aid : "(missing)");
throw ConfigurationException("Unable to locate application for logout, deleted?");
}
-
+
// Unpack the request.
auto_ptr<HTTPRequest> req(getRequest(in));
// Set up a response shim.
- DDF ret(NULL);
+ DDF ret(nullptr);
DDFJanitor jout(ret);
auto_ptr<HTTPResponse> resp(getResponse(ret));
-
- Session* session = NULL;
+
+ Session* session = nullptr;
try {
- session = app->getServiceProvider().getSessionCache()->find(*app, *req.get(), NULL, NULL);
+ session = app->getServiceProvider().getSessionCache()->find(*app, *req.get(), nullptr, nullptr);
}
catch (exception& ex) {
m_log.error("error accessing current session: %s", ex.what());
doRequest(*app, *req.get(), *resp.get(), session);
}
else {
- m_log.error("no NameID or issuing entityID found in session");
+ m_log.log(getParent() ? Priority::WARN : Priority::ERROR, "bypassing SAML 2.0 logout, no NameID or issuing entityID found in session");
session->unlock();
app->getServiceProvider().getSessionCache()->remove(*app, *req.get(), resp.get());
}
if (!notifyBackChannel(application, httpRequest.getRequestURL(), sessions, false)) {
session->unlock();
application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
- return sendLogoutPage(application, httpRequest, httpResponse, true, "Partial logout failure.");
+ return sendLogoutPage(application, httpRequest, httpResponse, "partial");
}
#ifndef SHIBSP_LITE
// With a session in hand, we can create a LogoutRequest message, if we can find a compatible endpoint.
MetadataProvider* m = application.getMetadataProvider();
Locker metadataLocker(m);
- MetadataProvider::Criteria mc(session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
+ MetadataProviderCriteria mc(application, session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
pair<const EntityDescriptor*,const RoleDescriptor*> entity = m->getEntityDescriptor(mc);
if (!entity.first) {
throw MetadataException(
}
const IDPSSODescriptor* role = dynamic_cast<const IDPSSODescriptor*>(entity.second);
- const EndpointType* ep=NULL;
- const MessageEncoder* encoder=NULL;
+ if (role->getSingleLogoutServices().empty()) {
+ throw MetadataException(
+ "No SingleLogoutService endpoints in metadata for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())
+ );
+ }
+
+ const EndpointType* ep=nullptr;
+ const MessageEncoder* encoder=nullptr;
vector<const XMLCh*>::const_iterator b;
for (b = m_bindings.begin(); b!=m_bindings.end(); ++b) {
if (ep=EndpointManager<SingleLogoutService>(role->getSingleLogoutServices()).getByBinding(*b)) {
}
}
if (!ep || !encoder) {
- m_log.warn("no compatible front channel SingleLogoutService, trying back channel...");
+ m_log.debug("no compatible front channel SingleLogoutService, trying back channel...");
shibsp::SecurityPolicy policy(application);
shibsp::SOAPClient soaper(policy);
MetadataCredentialCriteria mcc(*role);
- LogoutResponse* logoutResponse=NULL;
+ LogoutResponse* logoutResponse=nullptr;
auto_ptr_XMLCh binding(samlconstants::SAML20_BINDING_SOAP);
const vector<SingleLogoutService*>& endpoints=role->getSingleLogoutServices();
for (vector<SingleLogoutService*>::const_iterator epit=endpoints.begin(); !logoutResponse && epit!=endpoints.end(); ++epit) {
}
}
- if (!logoutResponse)
- ret = sendLogoutPage(application, httpRequest, httpResponse, false, "Identity provider did not respond to logout request.");
- else if (!logoutResponse->getStatus() || !logoutResponse->getStatus()->getStatusCode() ||
- !XMLString::equals(logoutResponse->getStatus()->getStatusCode()->getValue(), saml2p::StatusCode::SUCCESS)) {
- delete logoutResponse;
- ret = sendLogoutPage(application, httpRequest, httpResponse, false, "Identity provider returned a SAML error in response to logout request.");
+ // No answer at all?
+ if (!logoutResponse) {
+ if (endpoints.empty())
+ m_log.info("IdP doesn't support single logout protocol over a compatible binding");
+ else
+ m_log.warn("IdP didn't respond to logout request");
+ ret = sendLogoutPage(application, httpRequest, httpResponse, "partial");
}
else {
+ // Check the status, looking for non-success or a partial logout code.
+ const StatusCode* sc = logoutResponse->getStatus() ? logoutResponse->getStatus()->getStatusCode() : nullptr;
+ bool partial = (!sc || !XMLString::equals(sc->getValue(), StatusCode::SUCCESS));
+ if (!partial && sc->getStatusCode()) {
+ // Success, but still need to check for partial.
+ partial = XMLString::equals(sc->getStatusCode()->getValue(), StatusCode::PARTIAL_LOGOUT);
+ }
delete logoutResponse;
- const char* returnloc = httpRequest.getParameter("return");
- if (returnloc) {
- ret.second = httpResponse.sendRedirect(returnloc);
- ret.first = true;
+ if (partial)
+ ret = sendLogoutPage(application, httpRequest, httpResponse, "partial");
+ else {
+ const char* returnloc = httpRequest.getParameter("return");
+ if (returnloc) {
+ ret.second = httpResponse.sendRedirect(returnloc);
+ ret.first = true;
+ }
+ ret = sendLogoutPage(application, httpRequest, httpResponse, "global");
}
- ret = sendLogoutPage(application, httpRequest, httpResponse, false, "Logout completed successfully.");
}
if (session) {
session->unlock();
- session = NULL;
+ session = nullptr;
application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
}
+
return ret;
}
if (session) {
session->unlock();
- session = NULL;
+ session = nullptr;
application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
}
);
msg->setEncryptedID(encrypted.release());
}
-
- if (!encoder) {
- // No encoder being used, so sign for SOAP client manually.
- flag = relyingParty->getString("signing");
- if (flag.first && (!strcmp(flag.second, "true") || !strcmp(flag.second, "back"))) {
- CredentialResolver* credResolver=application.getCredentialResolver();
- if (credResolver) {
- Locker credLocker(credResolver);
- // Fill in criteria to use.
- MetadataCredentialCriteria mcc(role);
- mcc.setUsage(Credential::SIGNING_CREDENTIAL);
- pair<bool,const char*> keyName = relyingParty->getString("keyName");
- if (keyName.first)
- mcc.getKeyNames().insert(keyName.second);
- pair<bool,const XMLCh*> sigalg = relyingParty->getXMLString("signingAlg");
- if (sigalg.first)
- mcc.setXMLAlgorithm(sigalg.second);
- const Credential* cred = credResolver->resolve(&mcc);
- if (cred) {
- xmlsignature::Signature* sig = xmlsignature::SignatureBuilder::buildSignature();
- msg->setSignature(sig);
- if (sigalg.first)
- sig->setSignatureAlgorithm(sigalg.second);
- sigalg = relyingParty->getXMLString("digestAlg");
- if (sigalg.first) {
- ContentReference* cr = dynamic_cast<ContentReference*>(sig->getContentReference());
- if (cr)
- cr->setDigestAlgorithm(sigalg.second);
- }
-
- // Sign response while marshalling.
- vector<xmlsignature::Signature*> sigs(1,sig);
- msg->marshall((DOMDocument*)NULL,&sigs,cred);
- }
- else {
- m_log.warn("no signing credential resolved, leaving message unsigned");
- }
- }
- else {
- m_log.warn("no credential resolver installed, leaving message unsigned");
- }
- }
+ else {
+ msg->setNameID(nameid->cloneNameID());
}
return msg.release();