-/**\r
- * Licensed to the University Corporation for Advanced Internet\r
- * Development, Inc. (UCAID) under one or more contributor license\r
- * agreements. See the NOTICE file distributed with this work for\r
- * additional information regarding copyright ownership.\r
- *\r
- * UCAID licenses this file to you under the Apache License,\r
- * Version 2.0 (the "License"); you may not use this file except\r
- * in compliance with the License. You may obtain a copy of the\r
- * License at\r
- *\r
- * http://www.apache.org/licenses/LICENSE-2.0\r
- *\r
- * Unless required by applicable law or agreed to in writing,\r
- * software distributed under the License is distributed on an\r
- * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,\r
- * either express or implied. See the License for the specific\r
- * language governing permissions and limitations under the License.\r
- */\r
-\r
-/**\r
- * adfs.cpp\r
- *\r
- * ADFSv1 extension library.\r
- */\r
-\r
-#if defined (_MSC_VER) || defined(__BORLANDC__)\r
-# include "config_win32.h"\r
-#else\r
-# include "config.h"\r
-#endif\r
-\r
-#ifdef WIN32\r
-# define _CRT_NONSTDC_NO_DEPRECATE 1\r
-# define _CRT_SECURE_NO_DEPRECATE 1\r
-# define ADFS_EXPORTS __declspec(dllexport)\r
-#else\r
-# define ADFS_EXPORTS\r
-#endif\r
-\r
-#include <shibsp/base.h>\r
-#include <shibsp/exceptions.h>\r
-#include <shibsp/Application.h>\r
-#include <shibsp/ServiceProvider.h>\r
-#include <shibsp/SessionCache.h>\r
-#include <shibsp/SPConfig.h>\r
-#include <shibsp/SPRequest.h>\r
-#include <shibsp/TransactionLog.h>\r
-#include <shibsp/handler/AssertionConsumerService.h>\r
-#include <shibsp/handler/LogoutInitiator.h>\r
-#include <shibsp/handler/SessionInitiator.h>\r
-#include <xmltooling/logging.h>\r
-#include <xmltooling/util/DateTime.h>\r
-#include <xmltooling/util/NDC.h>\r
-#include <xmltooling/util/URLEncoder.h>\r
-#include <xmltooling/util/XMLHelper.h>\r
-#include <memory>\r
-\r
-#ifndef SHIBSP_LITE\r
-# include <shibsp/attribute/resolver/ResolutionContext.h>\r
-# include <shibsp/metadata/MetadataProviderCriteria.h>\r
-# include <saml/SAMLConfig.h>\r
-# include <saml/exceptions.h>\r
-# include <saml/binding/SecurityPolicy.h>\r
-# include <saml/saml1/core/Assertions.h>\r
-# include <saml/saml2/core/Assertions.h>\r
-# include <saml/saml2/metadata/Metadata.h>\r
-# include <saml/saml2/metadata/EndpointManager.h>\r
-# include <xmltooling/XMLToolingConfig.h>\r
-# include <xmltooling/impl/AnyElement.h>\r
-# include <xmltooling/util/ParserPool.h>\r
-# include <xmltooling/validation/ValidatorSuite.h>\r
-using namespace opensaml::saml2md;\r
-# ifndef min\r
-# define min(a,b) (((a) < (b)) ? (a) : (b))\r
-# endif\r
-#endif\r
-using namespace shibsp;\r
-using namespace opensaml;\r
-using namespace xmltooling::logging;\r
-using namespace xmltooling;\r
-using namespace xercesc;\r
-using namespace boost;\r
-using namespace std;\r
-\r
-#define WSFED_NS "http://schemas.xmlsoap.org/ws/2003/07/secext"\r
-#define WSTRUST_NS "http://schemas.xmlsoap.org/ws/2005/02/trust"\r
-\r
-namespace {\r
-\r
-#ifndef SHIBSP_LITE\r
- class SHIBSP_DLLLOCAL ADFSDecoder : public MessageDecoder\r
- {\r
- auto_ptr_XMLCh m_ns;\r
- public:\r
- ADFSDecoder() : m_ns(WSTRUST_NS) {}\r
- virtual ~ADFSDecoder() {}\r
-\r
- const XMLCh* getProtocolFamily() const {\r
- return m_ns.get();\r
- }\r
-\r
- XMLObject* decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const;\r
-\r
- protected:\r
- void extractMessageDetails(\r
- const XMLObject& message, const GenericRequest& req, const XMLCh* protocol, SecurityPolicy& policy\r
- ) const {\r
- }\r
- };\r
-\r
- MessageDecoder* ADFSDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)\r
- {\r
- return new ADFSDecoder();\r
- }\r
-#endif\r
-\r
-#if defined (_MSC_VER)\r
- #pragma warning( push )\r
- #pragma warning( disable : 4250 )\r
-#endif\r
-\r
- class SHIBSP_DLLLOCAL ADFSSessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler\r
- {\r
- public:\r
- ADFSSessionInitiator(const DOMElement* e, const char* appId)\r
- : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".SessionInitiator.ADFS"), nullptr, &m_remapper), m_appId(appId), m_binding(WSFED_NS) {\r
- // If Location isn't set, defer address registration until the setParent call.\r
- pair<bool,const char*> loc = getString("Location");\r
- if (loc.first) {\r
- string address = m_appId + loc.second + "::run::ADFSSI";\r
- setAddress(address.c_str());\r
- }\r
- }\r
- virtual ~ADFSSessionInitiator() {}\r
-\r
- void setParent(const PropertySet* parent) {\r
- DOMPropertySet::setParent(parent);\r
- pair<bool,const char*> loc = getString("Location");\r
- if (loc.first) {\r
- string address = m_appId + loc.second + "::run::ADFSSI";\r
- setAddress(address.c_str());\r
- }\r
- else {\r
- m_log.warn("no Location property in ADFS SessionInitiator (or parent), can't register as remoted handler");\r
- }\r
- }\r
-\r
- void receive(DDF& in, ostream& out);\r
- pair<bool,long> unwrap(SPRequest& request, DDF& out) const;\r
- pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;\r
-\r
- const XMLCh* getProtocolFamily() const {\r
- return m_binding.get();\r
- }\r
-\r
-#ifndef SHIBSP_LITE\r
- void generateMetadata(saml2md::SPSSODescriptor& role, const char* handlerURL) const {\r
- doGenerateMetadata(role, handlerURL);\r
- }\r
-#endif\r
-\r
- private:\r
- pair<bool,long> doRequest(\r
- const Application& application,\r
- const HTTPRequest* httpRequest,\r
- HTTPResponse& httpResponse,\r
- const char* entityID,\r
- const char* acsLocation,\r
- const char* authnContextClassRef,\r
- string& relayState\r
- ) const;\r
- string m_appId;\r
- auto_ptr_XMLCh m_binding;\r
- };\r
-\r
- class SHIBSP_DLLLOCAL ADFSConsumer : public shibsp::AssertionConsumerService\r
- {\r
- auto_ptr_XMLCh m_protocol;\r
- public:\r
- ADFSConsumer(const DOMElement* e, const char* appId)\r
- : shibsp::AssertionConsumerService(e, appId, Category::getInstance(SHIBSP_LOGCAT ".SSO.ADFS")), m_protocol(WSFED_NS) {}\r
- virtual ~ADFSConsumer() {}\r
-\r
-#ifndef SHIBSP_LITE\r
- void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {\r
- AssertionConsumerService::generateMetadata(role, handlerURL);\r
- role.addSupport(m_protocol.get());\r
- }\r
-\r
- private:\r
- void implementProtocol(\r
- const Application& application,\r
- const HTTPRequest& httpRequest,\r
- HTTPResponse& httpResponse,\r
- SecurityPolicy& policy,\r
- const PropertySet*,\r
- const XMLObject& xmlObject\r
- ) const;\r
-#else\r
- const XMLCh* getProtocolFamily() const {\r
- return m_protocol.get();\r
- }\r
-#endif\r
- };\r
-\r
- class SHIBSP_DLLLOCAL ADFSLogoutInitiator : public AbstractHandler, public LogoutInitiator\r
- {\r
- public:\r
- ADFSLogoutInitiator(const DOMElement* e, const char* appId)\r
- : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".LogoutInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {\r
- // If Location isn't set, defer address registration until the setParent call.\r
- pair<bool,const char*> loc = getString("Location");\r
- if (loc.first) {\r
- string address = m_appId + loc.second + "::run::ADFSLI";\r
- setAddress(address.c_str());\r
- }\r
- }\r
- virtual ~ADFSLogoutInitiator() {}\r
-\r
- void setParent(const PropertySet* parent) {\r
- DOMPropertySet::setParent(parent);\r
- pair<bool,const char*> loc = getString("Location");\r
- if (loc.first) {\r
- string address = m_appId + loc.second + "::run::ADFSLI";\r
- setAddress(address.c_str());\r
- }\r
- else {\r
- m_log.warn("no Location property in ADFS LogoutInitiator (or parent), can't register as remoted handler");\r
- }\r
- }\r
-\r
- void receive(DDF& in, ostream& out);\r
- pair<bool,long> run(SPRequest& request, bool isHandler=true) const;\r
-\r
- const XMLCh* getProtocolFamily() const {\r
- return m_binding.get();\r
- }\r
-\r
- private:\r
- pair<bool,long> doRequest(const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session) const;\r
-\r
- string m_appId;\r
- auto_ptr_XMLCh m_binding;\r
- };\r
-\r
- class SHIBSP_DLLLOCAL ADFSLogout : public AbstractHandler, public LogoutHandler\r
- {\r
- public:\r
- ADFSLogout(const DOMElement* e, const char* appId)\r
- : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".Logout.ADFS")), m_login(e, appId) {\r
- m_initiator = false;\r
-#ifndef SHIBSP_LITE\r
- m_preserve.push_back("wreply");\r
- string address = string(appId) + getString("Location").second + "::run::ADFSLO";\r
- setAddress(address.c_str());\r
-#endif\r
- }\r
- virtual ~ADFSLogout() {}\r
-\r
- pair<bool,long> run(SPRequest& request, bool isHandler=true) const;\r
-\r
-#ifndef SHIBSP_LITE\r
- void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {\r
- m_login.generateMetadata(role, handlerURL);\r
- const char* loc = getString("Location").second;\r
- string hurl(handlerURL);\r
- if (*loc != '/')\r
- hurl += '/';\r
- hurl += loc;\r
- auto_ptr_XMLCh widen(hurl.c_str());\r
- SingleLogoutService* ep = SingleLogoutServiceBuilder::buildSingleLogoutService();\r
- ep->setLocation(widen.get());\r
- ep->setBinding(m_login.getProtocolFamily());\r
- role.getSingleLogoutServices().push_back(ep);\r
- }\r
-\r
- const char* getType() const {\r
- return m_login.getType();\r
- }\r
-#endif\r
- const XMLCh* getProtocolFamily() const {\r
- return m_login.getProtocolFamily();\r
- }\r
-\r
- private:\r
- ADFSConsumer m_login;\r
- };\r
-\r
-#if defined (_MSC_VER)\r
- #pragma warning( pop )\r
-#endif\r
-\r
- SessionInitiator* ADFSSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)\r
- {\r
- return new ADFSSessionInitiator(p.first, p.second);\r
- }\r
-\r
- Handler* ADFSLogoutFactory(const pair<const DOMElement*,const char*>& p)\r
- {\r
- return new ADFSLogout(p.first, p.second);\r
- }\r
-\r
- Handler* ADFSLogoutInitiatorFactory(const pair<const DOMElement*,const char*>& p)\r
- {\r
- return new ADFSLogoutInitiator(p.first, p.second);\r
- }\r
-\r
- const XMLCh RequestedSecurityToken[] = UNICODE_LITERAL_22(R,e,q,u,e,s,t,e,d,S,e,c,u,r,i,t,y,T,o,k,e,n);\r
- const XMLCh RequestSecurityTokenResponse[] =UNICODE_LITERAL_28(R,e,q,u,e,s,t,S,e,c,u,r,i,t,y,T,o,k,e,n,R,e,s,p,o,n,s,e);\r
-};\r
-\r
-extern "C" int ADFS_EXPORTS xmltooling_extension_init(void*)\r
-{\r
- SPConfig& conf=SPConfig::getConfig();\r
- conf.SessionInitiatorManager.registerFactory("ADFS", ADFSSessionInitiatorFactory);\r
- conf.LogoutInitiatorManager.registerFactory("ADFS", ADFSLogoutInitiatorFactory);\r
- conf.AssertionConsumerServiceManager.registerFactory("ADFS", ADFSLogoutFactory);\r
- conf.AssertionConsumerServiceManager.registerFactory(WSFED_NS, ADFSLogoutFactory);\r
-#ifndef SHIBSP_LITE\r
- SAMLConfig::getConfig().MessageDecoderManager.registerFactory(WSFED_NS, ADFSDecoderFactory);\r
- XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestedSecurityToken"), new AnyElementBuilder());\r
- XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestSecurityTokenResponse"), new AnyElementBuilder());\r
-#endif\r
- return 0;\r
-}\r
-\r
-extern "C" void ADFS_EXPORTS xmltooling_extension_term()\r
-{\r
- /* should get unregistered during normal shutdown...\r
- SPConfig& conf=SPConfig::getConfig();\r
- conf.SessionInitiatorManager.deregisterFactory("ADFS");\r
- conf.LogoutInitiatorManager.deregisterFactory("ADFS");\r
- conf.AssertionConsumerServiceManager.deregisterFactory("ADFS");\r
- conf.AssertionConsumerServiceManager.deregisterFactory(WSFED_NS);\r
-#ifndef SHIBSP_LITE\r
- SAMLConfig::getConfig().MessageDecoderManager.deregisterFactory(WSFED_NS);\r
-#endif\r
- */\r
-}\r
-\r
-pair<bool,long> ADFSSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const\r
-{\r
- // We have to know the IdP to function.\r
- if (entityID.empty() || !checkCompatibility(request, isHandler))\r
- return make_pair(false, 0L);\r
-\r
- string target;\r
- pair<bool,const char*> prop;\r
- pair<bool,const char*> acClass;\r
- const Handler* ACS = nullptr;\r
- const Application& app = request.getApplication();\r
-\r
- if (isHandler) {\r
- prop.second = request.getParameter("acsIndex");\r
- if (prop.second && *prop.second) {\r
- ACS = app.getAssertionConsumerServiceByIndex(atoi(prop.second));\r
- if (!ACS)\r
- request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");\r
- }\r
-\r
- prop = getString("target", request);\r
- if (prop.first)\r
- target = prop.second;\r
-\r
- // Since we're passing the ACS by value, we need to compute the return URL,\r
- // so we'll need the target resource for real.\r
- recoverRelayState(app, request, request, target, false);\r
- app.limitRedirect(request, target.c_str());\r
-\r
- acClass = getString("authnContextClassRef", request);\r
- }\r
- else {\r
- // Check for a hardwired target value in the map or handler.\r
- prop = getString("target", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);\r
- if (prop.first)\r
- target = prop.second;\r
- else\r
- target = request.getRequestURL();\r
-\r
- acClass = getString("authnContextClassRef", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);\r
- }\r
-\r
- if (!ACS) {\r
- pair<bool,unsigned int> index = getUnsignedInt("acsIndex", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);\r
- if (index.first)\r
- ACS = app.getAssertionConsumerServiceByIndex(index.second);\r
- }\r
-\r
- // Validate the ACS for use with this protocol.\r
- if (!ACS || !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily())) {\r
- if (ACS)\r
- request.log(SPRequest::SPWarn, "invalid acsIndex property, or non-ADFS ACS, using default ADFS ACS");\r
- ACS = app.getAssertionConsumerServiceByProtocol(getProtocolFamily());\r
- if (!ACS)\r
- throw ConfigurationException("Unable to locate an ADFS-compatible ACS in the configuration.");\r
- }\r
-\r
- // Since we're not passing by index, we need to fully compute the return URL.\r
- // Compute the ACS URL. We add the ACS location to the base handlerURL.\r
- string ACSloc = request.getHandlerURL(target.c_str());\r
- prop = ACS->getString("Location");\r
- if (prop.first)\r
- ACSloc += prop.second;\r
-\r
- if (isHandler) {\r
- // We may already have RelayState set if we looped back here,\r
- // but we've turned it back into a resource by this point, so if there's\r
- // a target on the URL, reset to that value.\r
- prop.second = request.getParameter("target");\r
- if (prop.second && *prop.second)\r
- target = prop.second;\r
- }\r
-\r
- m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID.c_str());\r
-\r
- if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {\r
- // Out of process means the POST data via the request can be exposed directly to the private method.\r
- // The method will handle POST preservation if necessary *before* issuing the response, but only if\r
- // it dispatches to an IdP.\r
- return doRequest(app, &request, request, entityID.c_str(), ACSloc.c_str(), (acClass.first ? acClass.second : nullptr), target);\r
- }\r
-\r
- // Remote the call.\r
- DDF out,in = DDF(m_address.c_str()).structure();\r
- DDFJanitor jin(in), jout(out);\r
- in.addmember("application_id").string(app.getId());\r
- in.addmember("entity_id").string(entityID.c_str());\r
- in.addmember("acsLocation").string(ACSloc.c_str());\r
- if (!target.empty())\r
- in.addmember("RelayState").unsafe_string(target.c_str());\r
- if (acClass.first)\r
- in.addmember("authnContextClassRef").string(acClass.second);\r
-\r
- // Remote the processing.\r
- out = request.getServiceProvider().getListenerService()->send(in);\r
- return unwrap(request, out);\r
-}\r
-\r
-pair<bool,long> ADFSSessionInitiator::unwrap(SPRequest& request, DDF& out) const\r
-{\r
- // See if there's any response to send back.\r
- if (!out["redirect"].isnull() || !out["response"].isnull()) {\r
- // If so, we're responsible for handling the POST data, probably by dropping a cookie.\r
- preservePostData(request.getApplication(), request, request, out["RelayState"].string());\r
- }\r
- return RemotedHandler::unwrap(request, out);\r
-}\r
-\r
-void ADFSSessionInitiator::receive(DDF& in, ostream& out)\r
-{\r
- // Find application.\r
- const char* aid = in["application_id"].string();\r
- const Application* app = aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;\r
- if (!app) {\r
- // Something's horribly wrong.\r
- m_log.error("couldn't find application (%s) to generate ADFS request", aid ? aid : "(missing)");\r
- throw ConfigurationException("Unable to locate application for new session, deleted?");\r
- }\r
-\r
- const char* entityID = in["entity_id"].string();\r
- const char* acsLocation = in["acsLocation"].string();\r
- if (!entityID || !acsLocation)\r
- throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");\r
-\r
- DDF ret(nullptr);\r
- DDFJanitor jout(ret);\r
-\r
- // Wrap the outgoing object with a Response facade.\r
- scoped_ptr<HTTPResponse> http(getResponse(ret));\r
-\r
- string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");\r
-\r
- // Since we're remoted, the result should either be a throw, which we pass on,\r
- // a false/0 return, which we just return as an empty structure, or a response/redirect,\r
- // which we capture in the facade and send back.\r
- doRequest(*app, nullptr, *http, entityID, acsLocation, in["authnContextClassRef"].string(), relayState);\r
- if (!ret.isstruct())\r
- ret.structure();\r
- ret.addmember("RelayState").unsafe_string(relayState.c_str());\r
- out << ret;\r
-}\r
-\r
-pair<bool,long> ADFSSessionInitiator::doRequest(\r
- const Application& app,\r
- const HTTPRequest* httpRequest,\r
- HTTPResponse& httpResponse,\r
- const char* entityID,\r
- const char* acsLocation,\r
- const char* authnContextClassRef,\r
- string& relayState\r
- ) const\r
-{\r
-#ifndef SHIBSP_LITE\r
- // Use metadata to invoke the SSO service directly.\r
- MetadataProvider* m = app.getMetadataProvider();\r
- Locker locker(m);\r
- MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());\r
- pair<const EntityDescriptor*,const RoleDescriptor*> entity = m->getEntityDescriptor(mc);\r
- if (!entity.first) {\r
- m_log.warn("unable to locate metadata for provider (%s)", entityID);\r
- throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));\r
- }\r
- else if (!entity.second) {\r
- m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate ADFS-aware identity provider role for provider (%s)", entityID);\r
- if (getParent())\r
- return make_pair(false, 0L);\r
- throw MetadataException("Unable to locate ADFS-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));\r
- }\r
- const EndpointType* ep = EndpointManager<SingleSignOnService>(\r
- dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()\r
- ).getByBinding(m_binding.get());\r
- if (!ep) {\r
- m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);\r
- if (getParent())\r
- return make_pair(false, 0L);\r
- throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));\r
- }\r
-\r
- preserveRelayState(app, httpResponse, relayState);\r
-\r
- scoped_ptr<AuthnRequestEvent> ar_event(newAuthnRequestEvent(app, httpRequest));\r
- if (ar_event.get()) {\r
- ar_event->m_binding = WSFED_NS;\r
- ar_event->m_protocol = WSFED_NS;\r
- ar_event->m_peer = entity.first;\r
- app.getServiceProvider().getTransactionLog()->write(*ar_event);\r
- }\r
-\r
- // UTC timestamp\r
- time_t epoch=time(nullptr);\r
-#ifndef HAVE_GMTIME_R\r
- struct tm* ptime=gmtime(&epoch);\r
-#else\r
- struct tm res;\r
- struct tm* ptime=gmtime_r(&epoch,&res);\r
-#endif\r
- char timebuf[32];\r
- strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);\r
-\r
- auto_ptr_char dest(ep->getLocation());\r
- const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();\r
-\r
- string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +\r
- "&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);\r
- if (authnContextClassRef)\r
- req += "&wauth=" + urlenc->encode(authnContextClassRef);\r
- if (!relayState.empty())\r
- req += "&wctx=" + urlenc->encode(relayState.c_str());\r
-\r
- if (httpRequest) {\r
- // If the request object is available, we're responsible for the POST data.\r
- preservePostData(app, *httpRequest, httpResponse, relayState.c_str());\r
- }\r
-\r
- return make_pair(true, httpResponse.sendRedirect(req.c_str()));\r
-#else\r
- return make_pair(false, 0L);\r
-#endif\r
-}\r
-\r
-#ifndef SHIBSP_LITE\r
-\r
-XMLObject* ADFSDecoder::decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const\r
-{\r
-#ifdef _DEBUG\r
- xmltooling::NDC ndc("decode");\r
-#endif\r
- Category& log = Category::getInstance(SHIBSP_LOGCAT ".MessageDecoder.ADFS");\r
-\r
- log.debug("validating input");\r
- const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);\r
- if (!httpRequest)\r
- throw BindingException("Unable to cast request object to HTTPRequest type.");\r
- if (strcmp(httpRequest->getMethod(),"POST"))\r
- throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));\r
- const char* param = httpRequest->getParameter("wa");\r
- if (!param || strcmp(param, "wsignin1.0"))\r
- throw BindingException("Missing or invalid wa parameter (should be wsignin1.0).");\r
- param = httpRequest->getParameter("wctx");\r
- if (param)\r
- relayState = param;\r
-\r
- param = httpRequest->getParameter("wresult");\r
- if (!param)\r
- throw BindingException("Request missing wresult parameter.");\r
-\r
- log.debug("decoded ADFS response:\n%s", param);\r
-\r
- // Parse and bind the document into an XMLObject.\r
- istringstream is(param);\r
- DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()\r
- : XMLToolingConfig::getConfig().getParser()).parse(is);\r
- XercesJanitor<DOMDocument> janitor(doc);\r
- auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));\r
- janitor.release();\r
-\r
- if (!XMLString::equals(xmlObject->getElementQName().getLocalPart(), RequestSecurityTokenResponse)) {\r
- log.error("unrecognized root element on message: %s", xmlObject->getElementQName().toString().c_str());\r
- throw BindingException("Decoded message was not of the appropriate type.");\r
- }\r
-\r
- SchemaValidators.validate(xmlObject.get());\r
-\r
- // Skip policy step here, there's no security in the wrapper.\r
- // policy.evaluate(*xmlObject.get(), &genericRequest);\r
-\r
- return xmlObject.release();\r
-}\r
-\r
-void ADFSConsumer::implementProtocol(\r
- const Application& application,\r
- const HTTPRequest& httpRequest,\r
- HTTPResponse& httpResponse,\r
- SecurityPolicy& policy,\r
- const PropertySet*,\r
- const XMLObject& xmlObject\r
- ) const\r
-{\r
- // Implementation of ADFS profile.\r
- m_log.debug("processing message against ADFS Passive Requester profile");\r
-\r
- // With ADFS, all the security comes from the assertion, which is two levels down in the message.\r
-\r
- const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);\r
- if (!response || !response->hasChildren())\r
- throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");\r
-\r
- const Assertion* token = nullptr;\r
- for (vector<XMLObject*>::const_iterator xo = response->getUnknownXMLObjects().begin(); xo != response->getUnknownXMLObjects().end(); ++xo) {\r
- // Look for the RequestedSecurityToken element.\r
- if (XMLString::equals((*xo)->getElementQName().getLocalPart(), RequestedSecurityToken)) {\r
- response = dynamic_cast<const ElementProxy*>(*xo);\r
- if (!response || !response->hasChildren())\r
- throw FatalProfileException("Token wrapper element did not contain a security token.");\r
- token = dynamic_cast<const Assertion*>(response->getUnknownXMLObjects().front());\r
- if (!token || !token->getSignature())\r
- throw FatalProfileException("Incoming message did not contain a signed SAML assertion.");\r
- break;\r
- }\r
- }\r
-\r
- // Extract message and issuer details from assertion.\r
- extractMessageDetails(*token, m_protocol.get(), policy);\r
-\r
- // Populate recipient as audience.\r
- const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : nullptr;\r
- policy.getAudiences().push_back(application.getRelyingParty(entity)->getXMLString("entityID").second);\r
-\r
- // Run the policy over the assertion. Handles replay, freshness, and\r
- // signature verification, assuming the relevant rules are configured,\r
- // along with condition enforcement.\r
- policy.evaluate(*token, &httpRequest);\r
-\r
- // If no security is in place now, we kick it.\r
- if (!policy.isAuthenticated())\r
- throw SecurityPolicyException("Unable to establish security of incoming assertion.");\r
-\r
- const saml1::NameIdentifier* saml1name=nullptr;\r
- const saml1::AuthenticationStatement* saml1statement=nullptr;\r
- const saml2::NameID* saml2name=nullptr;\r
- const saml2::AuthnStatement* saml2statement=nullptr;\r
- const XMLCh* authMethod=nullptr;\r
- const XMLCh* authInstant=nullptr;\r
- time_t now = time(nullptr), sessionExp = 0;\r
- const PropertySet* sessionProps = application.getPropertySet("Sessions");\r
-\r
- const saml1::Assertion* saml1token = dynamic_cast<const saml1::Assertion*>(token);\r
- if (saml1token) {\r
- // Now do profile validation to ensure we can use it for SSO.\r
- if (!saml1token->getConditions() || !saml1token->getConditions()->getNotBefore() || !saml1token->getConditions()->getNotOnOrAfter())\r
- throw FatalProfileException("Assertion did not contain time conditions.");\r
- else if (saml1token->getAuthenticationStatements().empty())\r
- throw FatalProfileException("Assertion did not contain an authentication statement.");\r
-\r
- // authnskew allows rejection of SSO if AuthnInstant is too old.\r
- pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);\r
-\r
- saml1statement = saml1token->getAuthenticationStatements().front();\r
- if (saml1statement->getAuthenticationInstant()) {\r
- if (saml1statement->getAuthenticationInstantEpoch() - XMLToolingConfig::getConfig().clock_skew_secs > now) {\r
- throw FatalProfileException("The login time at your identity provider was future-dated.");\r
- }\r
- else if (authnskew.first && authnskew.second && saml1statement->getAuthenticationInstantEpoch() <= now &&\r
- (now - saml1statement->getAuthenticationInstantEpoch() > authnskew.second)) {\r
- throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the allowed limit.");\r
- }\r
- }\r
- else if (authnskew.first && authnskew.second) {\r
- throw FatalProfileException("Your identity provider did not supply a time of login, violating local policy.");\r
- }\r
-\r
- // Address checking.\r
- saml1::SubjectLocality* locality = saml1statement->getSubjectLocality();\r
- if (locality && locality->getIPAddress()) {\r
- auto_ptr_char ip(locality->getIPAddress());\r
- checkAddress(application, httpRequest, ip.get());\r
- }\r
-\r
- saml1name = saml1statement->getSubject()->getNameIdentifier();\r
- authMethod = saml1statement->getAuthenticationMethod();\r
- if (saml1statement->getAuthenticationInstant())\r
- authInstant = saml1statement->getAuthenticationInstant()->getRawData();\r
-\r
- // Session expiration.\r
- pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);\r
- if (!lifetime.first || lifetime.second == 0)\r
- lifetime.second = 28800;\r
- sessionExp = now + lifetime.second;\r
- }\r
- else {\r
- const saml2::Assertion* saml2token = dynamic_cast<const saml2::Assertion*>(token);\r
- if (!saml2token)\r
- throw FatalProfileException("Incoming message did not contain a recognized type of SAML assertion.");\r
-\r
- // Now do profile validation to ensure we can use it for SSO.\r
- if (!saml2token->getConditions() || !saml2token->getConditions()->getNotBefore() || !saml2token->getConditions()->getNotOnOrAfter())\r
- throw FatalProfileException("Assertion did not contain time conditions.");\r
- else if (saml2token->getAuthnStatements().empty())\r
- throw FatalProfileException("Assertion did not contain an authentication statement.");\r
-\r
- // authnskew allows rejection of SSO if AuthnInstant is too old.\r
- pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);\r
-\r
- saml2statement = saml2token->getAuthnStatements().front();\r
- if (authnskew.first && authnskew.second &&\r
- saml2statement->getAuthnInstant() && (now - saml2statement->getAuthnInstantEpoch() > authnskew.second))\r
- throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");\r
-\r
- // Address checking.\r
- saml2::SubjectLocality* locality = saml2statement->getSubjectLocality();\r
- if (locality && locality->getAddress()) {\r
- auto_ptr_char ip(locality->getAddress());\r
- checkAddress(application, httpRequest, ip.get());\r
- }\r
-\r
- saml2name = saml2token->getSubject() ? saml2token->getSubject()->getNameID() : nullptr;\r
- if (saml2statement->getAuthnContext() && saml2statement->getAuthnContext()->getAuthnContextClassRef())\r
- authMethod = saml2statement->getAuthnContext()->getAuthnContextClassRef()->getReference();\r
- if (saml2statement->getAuthnInstant())\r
- authInstant = saml2statement->getAuthnInstant()->getRawData();\r
-\r
- // Session expiration for SAML 2.0 is jointly IdP- and SP-driven.\r
- sessionExp = saml2statement->getSessionNotOnOrAfter() ? saml2statement->getSessionNotOnOrAfterEpoch() : 0;\r
- pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);\r
- if (!lifetime.first || lifetime.second == 0)\r
- lifetime.second = 28800;\r
- if (sessionExp == 0)\r
- sessionExp = now + lifetime.second; // IdP says nothing, calulate based on SP.\r
- else\r
- sessionExp = min(sessionExp, now + lifetime.second); // Use the lowest.\r
- }\r
-\r
- m_log.debug("ADFS profile processing completed successfully");\r
-\r
- // We've successfully "accepted" the SSO token.\r
- // To complete processing, we need to extract and resolve attributes and then create the session.\r
-\r
- // Normalize a SAML 1.x NameIdentifier...\r
- scoped_ptr<saml2::NameID> nameid(saml1name ? saml2::NameIDBuilder::buildNameID() : nullptr);\r
- if (saml1name) {\r
- nameid->setName(saml1name->getName());\r
- nameid->setFormat(saml1name->getFormat());\r
- nameid->setNameQualifier(saml1name->getNameQualifier());\r
- }\r
-\r
- // The context will handle deleting attributes and new tokens.\r
- vector<const Assertion*> tokens(1,token);\r
- scoped_ptr<ResolutionContext> ctx(\r
- resolveAttributes(\r
- application,\r
- &httpRequest,\r
- policy.getIssuerMetadata(),\r
- m_protocol.get(),\r
- nullptr,\r
- saml1name,\r
- saml1statement,\r
- (saml1name ? nameid.get() : saml2name),\r
- saml2statement,\r
- authMethod,\r
- nullptr,\r
- &tokens\r
- )\r
- );\r
-\r
- if (ctx.get()) {\r
- // Copy over any new tokens, but leave them in the context for cleanup.\r
- tokens.insert(tokens.end(), ctx->getResolvedAssertions().begin(), ctx->getResolvedAssertions().end());\r
- }\r
-\r
- string session_id;\r
- application.getServiceProvider().getSessionCache()->insert(\r
- session_id,\r
- application,\r
- httpRequest,\r
- httpResponse,\r
- sessionExp,\r
- entity,\r
- m_protocol.get(),\r
- (saml1name ? nameid.get() : saml2name),\r
- authInstant,\r
- nullptr,\r
- authMethod,\r
- nullptr,\r
- &tokens,\r
- ctx ? &ctx->getResolvedAttributes() : nullptr\r
- );\r
-\r
- scoped_ptr<LoginEvent> login_event(newLoginEvent(application, httpRequest));\r
- if (login_event) {\r
- login_event->m_sessionID = session_id.c_str();\r
- login_event->m_peer = entity;\r
- login_event->m_protocol = WSFED_NS;\r
- login_event->m_binding = WSFED_NS;\r
- login_event->m_saml1AuthnStatement = saml1statement;\r
- login_event->m_nameID = (saml1name ? nameid.get() : saml2name);\r
- login_event->m_saml2AuthnStatement = saml2statement;\r
- if (ctx)\r
- login_event->m_attributes = &ctx->getResolvedAttributes();\r
- application.getServiceProvider().getTransactionLog()->write(*login_event);\r
- }\r
-}\r
-\r
-#endif\r
-\r
-pair<bool,long> ADFSLogoutInitiator::run(SPRequest& request, bool isHandler) const\r
-{\r
- // Normally we'd do notifications and session clearage here, but ADFS logout\r
- // is missing the needed request/response features, so we have to rely on\r
- // the IdP half to notify us back about the logout and do the work there.\r
- // Basically we have no way to tell in the Logout receiving handler whether\r
- // we initiated the logout or not.\r
-\r
- Session* session = nullptr;\r
- try {\r
- session = request.getSession(false, true, false); // don't cache it and ignore all checks\r
- if (!session)\r
- return make_pair(false, 0L);\r
-\r
- // We only handle ADFS sessions.\r
- if (!XMLString::equals(session->getProtocol(), WSFED_NS) || !session->getEntityID()) {\r
- session->unlock();\r
- return make_pair(false, 0L);\r
- }\r
- }\r
- catch (std::exception& ex) {\r
- m_log.error("error accessing current session: %s", ex.what());\r
- return make_pair(false,0L);\r
- }\r
-\r
- if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {\r
- // When out of process, we run natively.\r
- return doRequest(request.getApplication(), request, request, session);\r
- }\r
- else {\r
- // When not out of process, we remote the request.\r
- session->unlock();\r
- vector<string> headers(1,"Cookie");\r
- headers.push_back("User-Agent");\r
- DDF out,in = wrap(request, &headers);\r
- DDFJanitor jin(in), jout(out);\r
- out=request.getServiceProvider().getListenerService()->send(in);\r
- return unwrap(request, out);\r
- }\r
-}\r
-\r
-void ADFSLogoutInitiator::receive(DDF& in, ostream& out)\r
-{\r
-#ifndef SHIBSP_LITE\r
- // Defer to base class for notifications\r
- if (in["notify"].integer() == 1)\r
- return LogoutHandler::receive(in, out);\r
-\r
- // Find application.\r
- const char* aid = in["application_id"].string();\r
- const Application* app = aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;\r
- if (!app) {\r
- // Something's horribly wrong.\r
- m_log.error("couldn't find application (%s) for logout", aid ? aid : "(missing)");\r
- throw ConfigurationException("Unable to locate application for logout, deleted?");\r
- }\r
-\r
- // Unpack the request.\r
- scoped_ptr<HTTPRequest> req(getRequest(in));\r
-\r
- // Set up a response shim.\r
- DDF ret(nullptr);\r
- DDFJanitor jout(ret);\r
- scoped_ptr<HTTPResponse> resp(getResponse(ret));\r
-\r
- Session* session = nullptr;\r
- try {\r
- session = app->getServiceProvider().getSessionCache()->find(*app, *req, nullptr, nullptr);\r
- }\r
- catch (std::exception& ex) {\r
- m_log.error("error accessing current session: %s", ex.what());\r
- }\r
-\r
- // With no session, we just skip the request and let it fall through to an empty struct return.\r
- if (session) {\r
- if (session->getEntityID()) {\r
- // Since we're remoted, the result should either be a throw, which we pass on,\r
- // a false/0 return, which we just return as an empty structure, or a response/redirect,\r
- // which we capture in the facade and send back.\r
- doRequest(*app, *req, *resp, session);\r
- }\r
- else {\r
- m_log.error("no issuing entityID found in session");\r
- session->unlock();\r
- app->getServiceProvider().getSessionCache()->remove(*app, *req, resp.get());\r
- }\r
- }\r
- out << ret;\r
-#else\r
- throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");\r
-#endif\r
-}\r
-\r
-pair<bool,long> ADFSLogoutInitiator::doRequest(\r
- const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session\r
- ) const\r
-{\r
- Locker sessionLocker(session, false);\r
-\r
- // Do back channel notification.\r
- vector<string> sessions(1, session->getID());\r
- if (!notifyBackChannel(application, httpRequest.getRequestURL(), sessions, false)) {\r
-#ifndef SHIBSP_LITE\r
- scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(application, &httpRequest, session));\r
- if (logout_event) {\r
- logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_PARTIAL;\r
- application.getServiceProvider().getTransactionLog()->write(*logout_event);\r
- }\r
-#endif\r
- sessionLocker.assign();\r
- session = nullptr;\r
- application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);\r
- return sendLogoutPage(application, httpRequest, httpResponse, "partial");\r
- }\r
-\r
-#ifndef SHIBSP_LITE\r
- pair<bool,long> ret = make_pair(false, 0L);\r
-\r
- try {\r
- // With a session in hand, we can create a request message, if we can find a compatible endpoint.\r
- MetadataProvider* m = application.getMetadataProvider();\r
- Locker metadataLocker(m);\r
- MetadataProviderCriteria mc(application, session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());\r
- pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);\r
- if (!entity.first) {\r
- throw MetadataException(\r
- "Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", session->getEntityID())\r
- );\r
- }\r
- else if (!entity.second) {\r
- throw MetadataException(\r
- "Unable to locate ADFS IdP role for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())\r
- );\r
- }\r
-\r
- const EndpointType* ep = EndpointManager<SingleLogoutService>(\r
- dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleLogoutServices()\r
- ).getByBinding(m_binding.get());\r
- if (!ep) {\r
- throw MetadataException(\r
- "Unable to locate ADFS single logout service for identity provider ($entityID).",\r
- namedparams(1, "entityID", session->getEntityID())\r
- );\r
- }\r
-\r
- const char* returnloc = httpRequest.getParameter("return");\r
- if (returnloc)\r
- application.limitRedirect(httpRequest, returnloc);\r
-\r
- // Log the request.\r
- scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(application, &httpRequest, session));\r
- if (logout_event) {\r
- logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_UNKNOWN;\r
- application.getServiceProvider().getTransactionLog()->write(*logout_event);\r
- }\r
-\r
- auto_ptr_char dest(ep->getLocation());\r
- string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignout1.0";\r
- if (returnloc) {\r
- req += "&wreply=";\r
- if (*returnloc == '/') {\r
- string s(returnloc);\r
- httpRequest.absolutize(s);\r
- req += XMLToolingConfig::getConfig().getURLEncoder()->encode(s.c_str());\r
- }\r
- else {\r
- req += XMLToolingConfig::getConfig().getURLEncoder()->encode(returnloc);\r
- }\r
- }\r
- ret.second = httpResponse.sendRedirect(req.c_str());\r
- ret.first = true;\r
-\r
- if (session) {\r
- sessionLocker.assign();\r
- session = nullptr;\r
- application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);\r
- }\r
- }\r
- catch (MetadataException& mex) {\r
- // Less noise for IdPs that don't support logout\r
- m_log.info("unable to issue ADFS logout request: %s", mex.what());\r
- }\r
- catch (std::exception& ex) {\r
- m_log.error("error issuing ADFS logout request: %s", ex.what());\r
- }\r
-\r
- return ret;\r
-#else\r
- throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");\r
-#endif\r
-}\r
-\r
-pair<bool,long> ADFSLogout::run(SPRequest& request, bool isHandler) const\r
-{\r
- // Defer to base class for front-channel loop first.\r
- // This won't initiate the loop, only continue/end it.\r
- pair<bool,long> ret = LogoutHandler::run(request, isHandler);\r
- if (ret.first)\r
- return ret;\r
-\r
- // wa parameter indicates the "action" to perform\r
- bool returning = false;\r
- const char* param = request.getParameter("wa");\r
- if (param) {\r
- if (!strcmp(param, "wsignin1.0"))\r
- return m_login.run(request, isHandler);\r
- else if (strcmp(param, "wsignout1.0") && strcmp(param, "wsignoutcleanup1.0"))\r
- throw FatalProfileException("Unsupported WS-Federation action parameter ($1).", params(1, param));\r
- }\r
- else if (strcmp(request.getMethod(),"GET") || !request.getParameter("notifying"))\r
- throw FatalProfileException("Unsupported request to ADFS protocol endpoint.");\r
- else\r
- returning = true;\r
-\r
- param = request.getParameter("wreply");\r
- const Application& app = request.getApplication();\r
-\r
- if (!returning) {\r
- // Pass control to the first front channel notification point, if any.\r
- map<string,string> parammap;\r
- if (param)\r
- parammap["wreply"] = param;\r
- pair<bool,long> result = notifyFrontChannel(app, request, request, ¶mmap);\r
- if (result.first)\r
- return result;\r
- }\r
-\r
- // Best effort on back channel and to remove the user agent's session.\r
- string session_id = app.getServiceProvider().getSessionCache()->active(app, request);\r
- if (!session_id.empty()) {\r
- vector<string> sessions(1,session_id);\r
- notifyBackChannel(app, request.getRequestURL(), sessions, false);\r
- try {\r
- app.getServiceProvider().getSessionCache()->remove(app, request, &request);\r
- }\r
- catch (std::exception& ex) {\r
- m_log.error("error removing session (%s): %s", session_id.c_str(), ex.what());\r
- }\r
- }\r
-\r
- if (param) {\r
- if (*param == '/') {\r
- string p(param);\r
- request.absolutize(p);\r
- return make_pair(true, request.sendRedirect(p.c_str()));\r
- }\r
- else {\r
- app.limitRedirect(request, param);\r
- return make_pair(true, request.sendRedirect(param));\r
- }\r
- }\r
- return sendLogoutPage(app, request, request, "global");\r
-}\r
+/**
+ * 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.
+ */
+
+/**
+ * adfs.cpp
+ *
+ * ADFSv1 extension library.
+ */
+
+#if defined (_MSC_VER) || defined(__BORLANDC__)
+# include "config_win32.h"
+#else
+# include "config.h"
+#endif
+
+#ifdef WIN32
+# define _CRT_NONSTDC_NO_DEPRECATE 1
+# define _CRT_SECURE_NO_DEPRECATE 1
+# define ADFS_EXPORTS __declspec(dllexport)
+#else
+# define ADFS_EXPORTS
+#endif
+
+#include <shibsp/base.h>
+#include <shibsp/exceptions.h>
+#include <shibsp/Application.h>
+#include <shibsp/ServiceProvider.h>
+#include <shibsp/SessionCache.h>
+#include <shibsp/SPConfig.h>
+#include <shibsp/SPRequest.h>
+#include <shibsp/TransactionLog.h>
+#include <shibsp/handler/AssertionConsumerService.h>
+#include <shibsp/handler/LogoutInitiator.h>
+#include <shibsp/handler/SessionInitiator.h>
+#include <xmltooling/logging.h>
+#include <xmltooling/util/DateTime.h>
+#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/URLEncoder.h>
+#include <xmltooling/util/XMLHelper.h>
+#include <memory>
+
+#ifndef SHIBSP_LITE
+# include <shibsp/attribute/resolver/ResolutionContext.h>
+# include <shibsp/metadata/MetadataProviderCriteria.h>
+# include <saml/SAMLConfig.h>
+# include <saml/exceptions.h>
+# include <saml/binding/SecurityPolicy.h>
+# include <saml/saml1/core/Assertions.h>
+# include <saml/saml2/core/Assertions.h>
+# include <saml/saml2/metadata/Metadata.h>
+# include <saml/saml2/metadata/EndpointManager.h>
+# include <xmltooling/XMLToolingConfig.h>
+# include <xmltooling/impl/AnyElement.h>
+# include <xmltooling/util/ParserPool.h>
+# include <xmltooling/validation/ValidatorSuite.h>
+using namespace opensaml::saml2md;
+# ifndef min
+# define min(a,b) (((a) < (b)) ? (a) : (b))
+# endif
+#endif
+using namespace shibsp;
+using namespace opensaml;
+using namespace xmltooling::logging;
+using namespace xmltooling;
+using namespace xercesc;
+using namespace boost;
+using namespace std;
+
+#define WSFED_NS "http://schemas.xmlsoap.org/ws/2003/07/secext"
+#define WSTRUST_NS "http://schemas.xmlsoap.org/ws/2005/02/trust"
+
+namespace {
+
+#ifndef SHIBSP_LITE
+ class SHIBSP_DLLLOCAL ADFSDecoder : public MessageDecoder
+ {
+ auto_ptr_XMLCh m_ns;
+ public:
+ ADFSDecoder() : m_ns(WSTRUST_NS) {}
+ virtual ~ADFSDecoder() {}
+
+ const XMLCh* getProtocolFamily() const {
+ return m_ns.get();
+ }
+
+ XMLObject* decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const;
+
+ protected:
+ void extractMessageDetails(
+ const XMLObject& message, const GenericRequest& req, const XMLCh* protocol, SecurityPolicy& policy
+ ) const {
+ }
+ };
+
+ MessageDecoder* ADFSDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
+ {
+ return new ADFSDecoder();
+ }
+#endif
+
+#if defined (_MSC_VER)
+ #pragma warning( push )
+ #pragma warning( disable : 4250 )
+#endif
+
+ class SHIBSP_DLLLOCAL ADFSSessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
+ {
+ public:
+ ADFSSessionInitiator(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".SessionInitiator.ADFS"), nullptr, &m_remapper), m_appId(appId), m_binding(WSFED_NS) {
+ // If Location isn't set, defer address registration until the setParent call.
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSSI";
+ setAddress(address.c_str());
+ }
+ }
+ virtual ~ADFSSessionInitiator() {}
+
+ void setParent(const PropertySet* parent) {
+ DOMPropertySet::setParent(parent);
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSSI";
+ setAddress(address.c_str());
+ }
+ else {
+ m_log.warn("no Location property in ADFS SessionInitiator (or parent), can't register as remoted handler");
+ }
+ }
+
+ void receive(DDF& in, ostream& out);
+ pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
+ pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
+
+ const XMLCh* getProtocolFamily() const {
+ return m_binding.get();
+ }
+
+#ifndef SHIBSP_LITE
+ void generateMetadata(saml2md::SPSSODescriptor& role, const char* handlerURL) const {
+ doGenerateMetadata(role, handlerURL);
+ }
+#endif
+
+ private:
+ pair<bool,long> doRequest(
+ const Application& application,
+ const HTTPRequest* httpRequest,
+ HTTPResponse& httpResponse,
+ const char* entityID,
+ const char* acsLocation,
+ const char* authnContextClassRef,
+ string& relayState
+ ) const;
+ string m_appId;
+ auto_ptr_XMLCh m_binding;
+ };
+
+ class SHIBSP_DLLLOCAL ADFSConsumer : public shibsp::AssertionConsumerService
+ {
+ auto_ptr_XMLCh m_protocol;
+ public:
+ ADFSConsumer(const DOMElement* e, const char* appId)
+ : shibsp::AssertionConsumerService(e, appId, Category::getInstance(SHIBSP_LOGCAT ".SSO.ADFS")), m_protocol(WSFED_NS) {}
+ virtual ~ADFSConsumer() {}
+
+#ifndef SHIBSP_LITE
+ void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
+ AssertionConsumerService::generateMetadata(role, handlerURL);
+ role.addSupport(m_protocol.get());
+ }
+
+ private:
+ void implementProtocol(
+ const Application& application,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ SecurityPolicy& policy,
+ const PropertySet*,
+ const XMLObject& xmlObject
+ ) const;
+#else
+ const XMLCh* getProtocolFamily() const {
+ return m_protocol.get();
+ }
+#endif
+ };
+
+ class SHIBSP_DLLLOCAL ADFSLogoutInitiator : public AbstractHandler, public LogoutInitiator
+ {
+ public:
+ ADFSLogoutInitiator(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".LogoutInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {
+ // If Location isn't set, defer address registration until the setParent call.
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSLI";
+ setAddress(address.c_str());
+ }
+ }
+ virtual ~ADFSLogoutInitiator() {}
+
+ void setParent(const PropertySet* parent) {
+ DOMPropertySet::setParent(parent);
+ pair<bool,const char*> loc = getString("Location");
+ if (loc.first) {
+ string address = m_appId + loc.second + "::run::ADFSLI";
+ setAddress(address.c_str());
+ }
+ else {
+ m_log.warn("no Location property in ADFS LogoutInitiator (or parent), can't register as remoted handler");
+ }
+ }
+
+ void receive(DDF& in, ostream& out);
+ pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
+
+ const XMLCh* getProtocolFamily() const {
+ return m_binding.get();
+ }
+
+ private:
+ pair<bool,long> doRequest(const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session) const;
+
+ string m_appId;
+ auto_ptr_XMLCh m_binding;
+ };
+
+ class SHIBSP_DLLLOCAL ADFSLogout : public AbstractHandler, public LogoutHandler
+ {
+ public:
+ ADFSLogout(const DOMElement* e, const char* appId)
+ : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT ".Logout.ADFS")), m_login(e, appId) {
+ m_initiator = false;
+#ifndef SHIBSP_LITE
+ m_preserve.push_back("wreply");
+ string address = string(appId) + getString("Location").second + "::run::ADFSLO";
+ setAddress(address.c_str());
+#endif
+ }
+ virtual ~ADFSLogout() {}
+
+ pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
+
+#ifndef SHIBSP_LITE
+ void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
+ m_login.generateMetadata(role, handlerURL);
+ const char* loc = getString("Location").second;
+ string hurl(handlerURL);
+ if (*loc != '/')
+ hurl += '/';
+ hurl += loc;
+ auto_ptr_XMLCh widen(hurl.c_str());
+ SingleLogoutService* ep = SingleLogoutServiceBuilder::buildSingleLogoutService();
+ ep->setLocation(widen.get());
+ ep->setBinding(m_login.getProtocolFamily());
+ role.getSingleLogoutServices().push_back(ep);
+ }
+
+ const char* getType() const {
+ return m_login.getType();
+ }
+#endif
+ const XMLCh* getProtocolFamily() const {
+ return m_login.getProtocolFamily();
+ }
+
+ private:
+ ADFSConsumer m_login;
+ };
+
+#if defined (_MSC_VER)
+ #pragma warning( pop )
+#endif
+
+ SessionInitiator* ADFSSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSSessionInitiator(p.first, p.second);
+ }
+
+ Handler* ADFSLogoutFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSLogout(p.first, p.second);
+ }
+
+ Handler* ADFSLogoutInitiatorFactory(const pair<const DOMElement*,const char*>& p)
+ {
+ return new ADFSLogoutInitiator(p.first, p.second);
+ }
+
+ const XMLCh RequestedSecurityToken[] = UNICODE_LITERAL_22(R,e,q,u,e,s,t,e,d,S,e,c,u,r,i,t,y,T,o,k,e,n);
+ const XMLCh RequestSecurityTokenResponse[] =UNICODE_LITERAL_28(R,e,q,u,e,s,t,S,e,c,u,r,i,t,y,T,o,k,e,n,R,e,s,p,o,n,s,e);
+};
+
+extern "C" int ADFS_EXPORTS xmltooling_extension_init(void*)
+{
+ SPConfig& conf=SPConfig::getConfig();
+ conf.SessionInitiatorManager.registerFactory("ADFS", ADFSSessionInitiatorFactory);
+ conf.LogoutInitiatorManager.registerFactory("ADFS", ADFSLogoutInitiatorFactory);
+ conf.AssertionConsumerServiceManager.registerFactory("ADFS", ADFSLogoutFactory);
+ conf.AssertionConsumerServiceManager.registerFactory(WSFED_NS, ADFSLogoutFactory);
+#ifndef SHIBSP_LITE
+ SAMLConfig::getConfig().MessageDecoderManager.registerFactory(WSFED_NS, ADFSDecoderFactory);
+ XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestedSecurityToken"), new AnyElementBuilder());
+ XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestSecurityTokenResponse"), new AnyElementBuilder());
+#endif
+ return 0;
+}
+
+extern "C" void ADFS_EXPORTS xmltooling_extension_term()
+{
+ /* should get unregistered during normal shutdown...
+ SPConfig& conf=SPConfig::getConfig();
+ conf.SessionInitiatorManager.deregisterFactory("ADFS");
+ conf.LogoutInitiatorManager.deregisterFactory("ADFS");
+ conf.AssertionConsumerServiceManager.deregisterFactory("ADFS");
+ conf.AssertionConsumerServiceManager.deregisterFactory(WSFED_NS);
+#ifndef SHIBSP_LITE
+ SAMLConfig::getConfig().MessageDecoderManager.deregisterFactory(WSFED_NS);
+#endif
+ */
+}
+
+pair<bool,long> ADFSSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
+{
+ // We have to know the IdP to function.
+ if (entityID.empty() || !checkCompatibility(request, isHandler))
+ return make_pair(false, 0L);
+
+ string target;
+ pair<bool,const char*> prop;
+ pair<bool,const char*> acClass;
+ const Handler* ACS = nullptr;
+ const Application& app = request.getApplication();
+
+ if (isHandler) {
+ prop.second = request.getParameter("acsIndex");
+ if (prop.second && *prop.second) {
+ ACS = app.getAssertionConsumerServiceByIndex(atoi(prop.second));
+ if (!ACS)
+ request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");
+ }
+
+ prop = getString("target", request);
+ if (prop.first)
+ target = prop.second;
+
+ // Since we're passing the ACS by value, we need to compute the return URL,
+ // so we'll need the target resource for real.
+ recoverRelayState(app, request, request, target, false);
+ app.limitRedirect(request, target.c_str());
+
+ acClass = getString("authnContextClassRef", request);
+ }
+ else {
+ // Check for a hardwired target value in the map or handler.
+ prop = getString("target", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
+ if (prop.first)
+ target = prop.second;
+ else
+ target = request.getRequestURL();
+
+ acClass = getString("authnContextClassRef", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
+ }
+
+ if (!ACS) {
+ pair<bool,unsigned int> index = getUnsignedInt("acsIndex", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
+ if (index.first)
+ ACS = app.getAssertionConsumerServiceByIndex(index.second);
+ }
+
+ // Validate the ACS for use with this protocol.
+ if (!ACS || !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily())) {
+ if (ACS)
+ request.log(SPRequest::SPWarn, "invalid acsIndex property, or non-ADFS ACS, using default ADFS ACS");
+ ACS = app.getAssertionConsumerServiceByProtocol(getProtocolFamily());
+ if (!ACS)
+ throw ConfigurationException("Unable to locate an ADFS-compatible ACS in the configuration.");
+ }
+
+ // Since we're not passing by index, we need to fully compute the return URL.
+ // Compute the ACS URL. We add the ACS location to the base handlerURL.
+ string ACSloc = request.getHandlerURL(target.c_str());
+ prop = ACS->getString("Location");
+ if (prop.first)
+ ACSloc += prop.second;
+
+ if (isHandler) {
+ // We may already have RelayState set if we looped back here,
+ // but we've turned it back into a resource by this point, so if there's
+ // a target on the URL, reset to that value.
+ prop.second = request.getParameter("target");
+ if (prop.second && *prop.second)
+ target = prop.second;
+ }
+
+ m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID.c_str());
+
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ // Out of process means the POST data via the request can be exposed directly to the private method.
+ // The method will handle POST preservation if necessary *before* issuing the response, but only if
+ // it dispatches to an IdP.
+ return doRequest(app, &request, request, entityID.c_str(), ACSloc.c_str(), (acClass.first ? acClass.second : nullptr), target);
+ }
+
+ // Remote the call.
+ DDF out,in = DDF(m_address.c_str()).structure();
+ DDFJanitor jin(in), jout(out);
+ in.addmember("application_id").string(app.getId());
+ in.addmember("entity_id").string(entityID.c_str());
+ in.addmember("acsLocation").string(ACSloc.c_str());
+ if (!target.empty())
+ in.addmember("RelayState").unsafe_string(target.c_str());
+ if (acClass.first)
+ in.addmember("authnContextClassRef").string(acClass.second);
+
+ // Remote the processing.
+ out = request.getServiceProvider().getListenerService()->send(in);
+ return unwrap(request, out);
+}
+
+pair<bool,long> ADFSSessionInitiator::unwrap(SPRequest& request, DDF& out) const
+{
+ // See if there's any response to send back.
+ if (!out["redirect"].isnull() || !out["response"].isnull()) {
+ // If so, we're responsible for handling the POST data, probably by dropping a cookie.
+ preservePostData(request.getApplication(), request, request, out["RelayState"].string());
+ }
+ return RemotedHandler::unwrap(request, out);
+}
+
+void ADFSSessionInitiator::receive(DDF& in, ostream& out)
+{
+ // Find application.
+ const char* aid = in["application_id"].string();
+ const Application* app = aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
+ if (!app) {
+ // Something's horribly wrong.
+ m_log.error("couldn't find application (%s) to generate ADFS request", aid ? aid : "(missing)");
+ throw ConfigurationException("Unable to locate application for new session, deleted?");
+ }
+
+ const char* entityID = in["entity_id"].string();
+ const char* acsLocation = in["acsLocation"].string();
+ if (!entityID || !acsLocation)
+ throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");
+
+ DDF ret(nullptr);
+ DDFJanitor jout(ret);
+
+ // Wrap the outgoing object with a Response facade.
+ scoped_ptr<HTTPResponse> http(getResponse(ret));
+
+ string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
+
+ // Since we're remoted, the result should either be a throw, which we pass on,
+ // a false/0 return, which we just return as an empty structure, or a response/redirect,
+ // which we capture in the facade and send back.
+ doRequest(*app, nullptr, *http, entityID, acsLocation, in["authnContextClassRef"].string(), relayState);
+ if (!ret.isstruct())
+ ret.structure();
+ ret.addmember("RelayState").unsafe_string(relayState.c_str());
+ out << ret;
+}
+
+pair<bool,long> ADFSSessionInitiator::doRequest(
+ const Application& app,
+ const HTTPRequest* httpRequest,
+ HTTPResponse& httpResponse,
+ const char* entityID,
+ const char* acsLocation,
+ const char* authnContextClassRef,
+ string& relayState
+ ) const
+{
+#ifndef SHIBSP_LITE
+ // Use metadata to invoke the SSO service directly.
+ MetadataProvider* m = app.getMetadataProvider();
+ Locker locker(m);
+ MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
+ pair<const EntityDescriptor*,const RoleDescriptor*> entity = m->getEntityDescriptor(mc);
+ if (!entity.first) {
+ m_log.warn("unable to locate metadata for provider (%s)", entityID);
+ throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+ else if (!entity.second) {
+ m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate ADFS-aware identity provider role for provider (%s)", entityID);
+ if (getParent())
+ return make_pair(false, 0L);
+ throw MetadataException("Unable to locate ADFS-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+ const EndpointType* ep = EndpointManager<SingleSignOnService>(
+ dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()
+ ).getByBinding(m_binding.get());
+ if (!ep) {
+ m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
+ if (getParent())
+ return make_pair(false, 0L);
+ throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
+ }
+
+ preserveRelayState(app, httpResponse, relayState);
+
+ scoped_ptr<AuthnRequestEvent> ar_event(newAuthnRequestEvent(app, httpRequest));
+ if (ar_event.get()) {
+ ar_event->m_binding = WSFED_NS;
+ ar_event->m_protocol = WSFED_NS;
+ ar_event->m_peer = entity.first;
+ app.getServiceProvider().getTransactionLog()->write(*ar_event);
+ }
+
+ // UTC timestamp
+ time_t epoch=time(nullptr);
+#ifndef HAVE_GMTIME_R
+ struct tm* ptime=gmtime(&epoch);
+#else
+ struct tm res;
+ struct tm* ptime=gmtime_r(&epoch,&res);
+#endif
+ char timebuf[32];
+ strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
+
+ auto_ptr_char dest(ep->getLocation());
+ const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
+
+ string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +
+ "&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);
+ if (authnContextClassRef)
+ req += "&wauth=" + urlenc->encode(authnContextClassRef);
+ if (!relayState.empty())
+ req += "&wctx=" + urlenc->encode(relayState.c_str());
+
+ if (httpRequest) {
+ // If the request object is available, we're responsible for the POST data.
+ preservePostData(app, *httpRequest, httpResponse, relayState.c_str());
+ }
+
+ return make_pair(true, httpResponse.sendRedirect(req.c_str()));
+#else
+ return make_pair(false, 0L);
+#endif
+}
+
+#ifndef SHIBSP_LITE
+
+XMLObject* ADFSDecoder::decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const
+{
+#ifdef _DEBUG
+ xmltooling::NDC ndc("decode");
+#endif
+ Category& log = Category::getInstance(SHIBSP_LOGCAT ".MessageDecoder.ADFS");
+
+ log.debug("validating input");
+ const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
+ if (!httpRequest)
+ throw BindingException("Unable to cast request object to HTTPRequest type.");
+ if (strcmp(httpRequest->getMethod(),"POST"))
+ throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));
+ const char* param = httpRequest->getParameter("wa");
+ if (!param || strcmp(param, "wsignin1.0"))
+ throw BindingException("Missing or invalid wa parameter (should be wsignin1.0).");
+ param = httpRequest->getParameter("wctx");
+ if (param)
+ relayState = param;
+
+ param = httpRequest->getParameter("wresult");
+ if (!param)
+ throw BindingException("Request missing wresult parameter.");
+
+ log.debug("decoded ADFS response:\n%s", param);
+
+ // Parse and bind the document into an XMLObject.
+ istringstream is(param);
+ DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
+ : XMLToolingConfig::getConfig().getParser()).parse(is);
+ XercesJanitor<DOMDocument> janitor(doc);
+ auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
+ janitor.release();
+
+ if (!XMLString::equals(xmlObject->getElementQName().getLocalPart(), RequestSecurityTokenResponse)) {
+ log.error("unrecognized root element on message: %s", xmlObject->getElementQName().toString().c_str());
+ throw BindingException("Decoded message was not of the appropriate type.");
+ }
+
+ SchemaValidators.validate(xmlObject.get());
+
+ // Skip policy step here, there's no security in the wrapper.
+ // policy.evaluate(*xmlObject.get(), &genericRequest);
+
+ return xmlObject.release();
+}
+
+void ADFSConsumer::implementProtocol(
+ const Application& application,
+ const HTTPRequest& httpRequest,
+ HTTPResponse& httpResponse,
+ SecurityPolicy& policy,
+ const PropertySet*,
+ const XMLObject& xmlObject
+ ) const
+{
+ // Implementation of ADFS profile.
+ m_log.debug("processing message against ADFS Passive Requester profile");
+
+ // With ADFS, all the security comes from the assertion, which is two levels down in the message.
+
+ const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);
+ if (!response || !response->hasChildren())
+ throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");
+
+ const Assertion* token = nullptr;
+ for (vector<XMLObject*>::const_iterator xo = response->getUnknownXMLObjects().begin(); xo != response->getUnknownXMLObjects().end(); ++xo) {
+ // Look for the RequestedSecurityToken element.
+ if (XMLString::equals((*xo)->getElementQName().getLocalPart(), RequestedSecurityToken)) {
+ response = dynamic_cast<const ElementProxy*>(*xo);
+ if (!response || !response->hasChildren())
+ throw FatalProfileException("Token wrapper element did not contain a security token.");
+ token = dynamic_cast<const Assertion*>(response->getUnknownXMLObjects().front());
+ if (!token || !token->getSignature())
+ throw FatalProfileException("Incoming message did not contain a signed SAML assertion.");
+ break;
+ }
+ }
+
+ // Extract message and issuer details from assertion.
+ extractMessageDetails(*token, m_protocol.get(), policy);
+
+ // Populate recipient as audience.
+ const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : nullptr;
+ policy.getAudiences().push_back(application.getRelyingParty(entity)->getXMLString("entityID").second);
+
+ // Run the policy over the assertion. Handles replay, freshness, and
+ // signature verification, assuming the relevant rules are configured,
+ // along with condition enforcement.
+ policy.evaluate(*token, &httpRequest);
+
+ // If no security is in place now, we kick it.
+ if (!policy.isAuthenticated())
+ throw SecurityPolicyException("Unable to establish security of incoming assertion.");
+
+ const saml1::NameIdentifier* saml1name=nullptr;
+ const saml1::AuthenticationStatement* saml1statement=nullptr;
+ const saml2::NameID* saml2name=nullptr;
+ const saml2::AuthnStatement* saml2statement=nullptr;
+ const XMLCh* authMethod=nullptr;
+ const XMLCh* authInstant=nullptr;
+ time_t now = time(nullptr), sessionExp = 0;
+ const PropertySet* sessionProps = application.getPropertySet("Sessions");
+
+ const saml1::Assertion* saml1token = dynamic_cast<const saml1::Assertion*>(token);
+ if (saml1token) {
+ // Now do profile validation to ensure we can use it for SSO.
+ if (!saml1token->getConditions() || !saml1token->getConditions()->getNotBefore() || !saml1token->getConditions()->getNotOnOrAfter())
+ throw FatalProfileException("Assertion did not contain time conditions.");
+ else if (saml1token->getAuthenticationStatements().empty())
+ throw FatalProfileException("Assertion did not contain an authentication statement.");
+
+ // authnskew allows rejection of SSO if AuthnInstant is too old.
+ pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+
+ saml1statement = saml1token->getAuthenticationStatements().front();
+ if (saml1statement->getAuthenticationInstant()) {
+ if (saml1statement->getAuthenticationInstantEpoch() - XMLToolingConfig::getConfig().clock_skew_secs > now) {
+ throw FatalProfileException("The login time at your identity provider was future-dated.");
+ }
+ else if (authnskew.first && authnskew.second && saml1statement->getAuthenticationInstantEpoch() <= now &&
+ (now - saml1statement->getAuthenticationInstantEpoch() > authnskew.second)) {
+ throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the allowed limit.");
+ }
+ }
+ else if (authnskew.first && authnskew.second) {
+ throw FatalProfileException("Your identity provider did not supply a time of login, violating local policy.");
+ }
+
+ // Address checking.
+ saml1::SubjectLocality* locality = saml1statement->getSubjectLocality();
+ if (locality && locality->getIPAddress()) {
+ auto_ptr_char ip(locality->getIPAddress());
+ checkAddress(application, httpRequest, ip.get());
+ }
+
+ saml1name = saml1statement->getSubject()->getNameIdentifier();
+ authMethod = saml1statement->getAuthenticationMethod();
+ if (saml1statement->getAuthenticationInstant())
+ authInstant = saml1statement->getAuthenticationInstant()->getRawData();
+
+ // Session expiration.
+ pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
+ if (!lifetime.first || lifetime.second == 0)
+ lifetime.second = 28800;
+ sessionExp = now + lifetime.second;
+ }
+ else {
+ const saml2::Assertion* saml2token = dynamic_cast<const saml2::Assertion*>(token);
+ if (!saml2token)
+ throw FatalProfileException("Incoming message did not contain a recognized type of SAML assertion.");
+
+ // Now do profile validation to ensure we can use it for SSO.
+ if (!saml2token->getConditions() || !saml2token->getConditions()->getNotBefore() || !saml2token->getConditions()->getNotOnOrAfter())
+ throw FatalProfileException("Assertion did not contain time conditions.");
+ else if (saml2token->getAuthnStatements().empty())
+ throw FatalProfileException("Assertion did not contain an authentication statement.");
+
+ // authnskew allows rejection of SSO if AuthnInstant is too old.
+ pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
+
+ saml2statement = saml2token->getAuthnStatements().front();
+ if (authnskew.first && authnskew.second &&
+ saml2statement->getAuthnInstant() && (now - saml2statement->getAuthnInstantEpoch() > authnskew.second))
+ throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
+
+ // Address checking.
+ saml2::SubjectLocality* locality = saml2statement->getSubjectLocality();
+ if (locality && locality->getAddress()) {
+ auto_ptr_char ip(locality->getAddress());
+ checkAddress(application, httpRequest, ip.get());
+ }
+
+ saml2name = saml2token->getSubject() ? saml2token->getSubject()->getNameID() : nullptr;
+ if (saml2statement->getAuthnContext() && saml2statement->getAuthnContext()->getAuthnContextClassRef())
+ authMethod = saml2statement->getAuthnContext()->getAuthnContextClassRef()->getReference();
+ if (saml2statement->getAuthnInstant())
+ authInstant = saml2statement->getAuthnInstant()->getRawData();
+
+ // Session expiration for SAML 2.0 is jointly IdP- and SP-driven.
+ sessionExp = saml2statement->getSessionNotOnOrAfter() ? saml2statement->getSessionNotOnOrAfterEpoch() : 0;
+ pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
+ if (!lifetime.first || lifetime.second == 0)
+ lifetime.second = 28800;
+ if (sessionExp == 0)
+ sessionExp = now + lifetime.second; // IdP says nothing, calulate based on SP.
+ else
+ sessionExp = min(sessionExp, now + lifetime.second); // Use the lowest.
+ }
+
+ m_log.debug("ADFS profile processing completed successfully");
+
+ // We've successfully "accepted" the SSO token.
+ // To complete processing, we need to extract and resolve attributes and then create the session.
+
+ // Normalize a SAML 1.x NameIdentifier...
+ scoped_ptr<saml2::NameID> nameid(saml1name ? saml2::NameIDBuilder::buildNameID() : nullptr);
+ if (saml1name) {
+ nameid->setName(saml1name->getName());
+ nameid->setFormat(saml1name->getFormat());
+ nameid->setNameQualifier(saml1name->getNameQualifier());
+ }
+
+ // The context will handle deleting attributes and new tokens.
+ vector<const Assertion*> tokens(1,token);
+ scoped_ptr<ResolutionContext> ctx(
+ resolveAttributes(
+ application,
+ &httpRequest,
+ policy.getIssuerMetadata(),
+ m_protocol.get(),
+ nullptr,
+ saml1name,
+ saml1statement,
+ (saml1name ? nameid.get() : saml2name),
+ saml2statement,
+ authMethod,
+ nullptr,
+ &tokens
+ )
+ );
+
+ if (ctx.get()) {
+ // Copy over any new tokens, but leave them in the context for cleanup.
+ tokens.insert(tokens.end(), ctx->getResolvedAssertions().begin(), ctx->getResolvedAssertions().end());
+ }
+
+ string session_id;
+ application.getServiceProvider().getSessionCache()->insert(
+ session_id,
+ application,
+ httpRequest,
+ httpResponse,
+ sessionExp,
+ entity,
+ m_protocol.get(),
+ (saml1name ? nameid.get() : saml2name),
+ authInstant,
+ nullptr,
+ authMethod,
+ nullptr,
+ &tokens,
+ ctx ? &ctx->getResolvedAttributes() : nullptr
+ );
+
+ scoped_ptr<LoginEvent> login_event(newLoginEvent(application, httpRequest));
+ if (login_event) {
+ login_event->m_sessionID = session_id.c_str();
+ login_event->m_peer = entity;
+ login_event->m_protocol = WSFED_NS;
+ login_event->m_binding = WSFED_NS;
+ login_event->m_saml1AuthnStatement = saml1statement;
+ login_event->m_nameID = (saml1name ? nameid.get() : saml2name);
+ login_event->m_saml2AuthnStatement = saml2statement;
+ if (ctx)
+ login_event->m_attributes = &ctx->getResolvedAttributes();
+ application.getServiceProvider().getTransactionLog()->write(*login_event);
+ }
+}
+
+#endif
+
+pair<bool,long> ADFSLogoutInitiator::run(SPRequest& request, bool isHandler) const
+{
+ // Normally we'd do notifications and session clearage here, but ADFS logout
+ // is missing the needed request/response features, so we have to rely on
+ // the IdP half to notify us back about the logout and do the work there.
+ // Basically we have no way to tell in the Logout receiving handler whether
+ // we initiated the logout or not.
+
+ Session* session = nullptr;
+ try {
+ session = request.getSession(false, true, false); // don't cache it and ignore all checks
+ if (!session)
+ return make_pair(false, 0L);
+
+ // We only handle ADFS sessions.
+ if (!XMLString::equals(session->getProtocol(), WSFED_NS) || !session->getEntityID()) {
+ session->unlock();
+ return make_pair(false, 0L);
+ }
+ }
+ catch (std::exception& ex) {
+ m_log.error("error accessing current session: %s", ex.what());
+ return make_pair(false,0L);
+ }
+
+ if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
+ // When out of process, we run natively.
+ return doRequest(request.getApplication(), request, request, session);
+ }
+ else {
+ // When not out of process, we remote the request.
+ session->unlock();
+ vector<string> headers(1,"Cookie");
+ headers.push_back("User-Agent");
+ DDF out,in = wrap(request, &headers);
+ DDFJanitor jin(in), jout(out);
+ out=request.getServiceProvider().getListenerService()->send(in);
+ return unwrap(request, out);
+ }
+}
+
+void ADFSLogoutInitiator::receive(DDF& in, ostream& out)
+{
+#ifndef SHIBSP_LITE
+ // Defer to base class for notifications
+ if (in["notify"].integer() == 1)
+ return LogoutHandler::receive(in, out);
+
+ // Find application.
+ const char* aid = in["application_id"].string();
+ 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.
+ scoped_ptr<HTTPRequest> req(getRequest(in));
+
+ // Set up a response shim.
+ DDF ret(nullptr);
+ DDFJanitor jout(ret);
+ scoped_ptr<HTTPResponse> resp(getResponse(ret));
+
+ Session* session = nullptr;
+ try {
+ session = app->getServiceProvider().getSessionCache()->find(*app, *req, nullptr, nullptr);
+ }
+ catch (std::exception& ex) {
+ m_log.error("error accessing current session: %s", ex.what());
+ }
+
+ // With no session, we just skip the request and let it fall through to an empty struct return.
+ if (session) {
+ if (session->getEntityID()) {
+ // Since we're remoted, the result should either be a throw, which we pass on,
+ // a false/0 return, which we just return as an empty structure, or a response/redirect,
+ // which we capture in the facade and send back.
+ doRequest(*app, *req, *resp, session);
+ }
+ else {
+ m_log.error("no issuing entityID found in session");
+ session->unlock();
+ app->getServiceProvider().getSessionCache()->remove(*app, *req, resp.get());
+ }
+ }
+ out << ret;
+#else
+ throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
+#endif
+}
+
+pair<bool,long> ADFSLogoutInitiator::doRequest(
+ const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session
+ ) const
+{
+ Locker sessionLocker(session, false);
+
+ // Do back channel notification.
+ vector<string> sessions(1, session->getID());
+ if (!notifyBackChannel(application, httpRequest.getRequestURL(), sessions, false)) {
+#ifndef SHIBSP_LITE
+ scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(application, &httpRequest, session));
+ if (logout_event) {
+ logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_PARTIAL;
+ application.getServiceProvider().getTransactionLog()->write(*logout_event);
+ }
+#endif
+ sessionLocker.assign();
+ session = nullptr;
+ application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
+ return sendLogoutPage(application, httpRequest, httpResponse, "partial");
+ }
+
+#ifndef SHIBSP_LITE
+ pair<bool,long> ret = make_pair(false, 0L);
+
+ try {
+ // With a session in hand, we can create a request message, if we can find a compatible endpoint.
+ MetadataProvider* m = application.getMetadataProvider();
+ Locker metadataLocker(m);
+ MetadataProviderCriteria mc(application, session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
+ pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
+ if (!entity.first) {
+ throw MetadataException(
+ "Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", session->getEntityID())
+ );
+ }
+ else if (!entity.second) {
+ throw MetadataException(
+ "Unable to locate ADFS IdP role for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())
+ );
+ }
+
+ const EndpointType* ep = EndpointManager<SingleLogoutService>(
+ dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleLogoutServices()
+ ).getByBinding(m_binding.get());
+ if (!ep) {
+ throw MetadataException(
+ "Unable to locate ADFS single logout service for identity provider ($entityID).",
+ namedparams(1, "entityID", session->getEntityID())
+ );
+ }
+
+ const char* returnloc = httpRequest.getParameter("return");
+ if (returnloc)
+ application.limitRedirect(httpRequest, returnloc);
+
+ // Log the request.
+ scoped_ptr<LogoutEvent> logout_event(newLogoutEvent(application, &httpRequest, session));
+ if (logout_event) {
+ logout_event->m_logoutType = LogoutEvent::LOGOUT_EVENT_UNKNOWN;
+ application.getServiceProvider().getTransactionLog()->write(*logout_event);
+ }
+
+ auto_ptr_char dest(ep->getLocation());
+ string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignout1.0";
+ if (returnloc) {
+ req += "&wreply=";
+ if (*returnloc == '/') {
+ string s(returnloc);
+ httpRequest.absolutize(s);
+ req += XMLToolingConfig::getConfig().getURLEncoder()->encode(s.c_str());
+ }
+ else {
+ req += XMLToolingConfig::getConfig().getURLEncoder()->encode(returnloc);
+ }
+ }
+ ret.second = httpResponse.sendRedirect(req.c_str());
+ ret.first = true;
+
+ if (session) {
+ sessionLocker.assign();
+ session = nullptr;
+ application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
+ }
+ }
+ catch (MetadataException& mex) {
+ // Less noise for IdPs that don't support logout
+ m_log.info("unable to issue ADFS logout request: %s", mex.what());
+ }
+ catch (std::exception& ex) {
+ m_log.error("error issuing ADFS logout request: %s", ex.what());
+ }
+
+ return ret;
+#else
+ throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
+#endif
+}
+
+pair<bool,long> ADFSLogout::run(SPRequest& request, bool isHandler) const
+{
+ // Defer to base class for front-channel loop first.
+ // This won't initiate the loop, only continue/end it.
+ pair<bool,long> ret = LogoutHandler::run(request, isHandler);
+ if (ret.first)
+ return ret;
+
+ // wa parameter indicates the "action" to perform
+ bool returning = false;
+ const char* param = request.getParameter("wa");
+ if (param) {
+ if (!strcmp(param, "wsignin1.0"))
+ return m_login.run(request, isHandler);
+ else if (strcmp(param, "wsignout1.0") && strcmp(param, "wsignoutcleanup1.0"))
+ throw FatalProfileException("Unsupported WS-Federation action parameter ($1).", params(1, param));
+ }
+ else if (strcmp(request.getMethod(),"GET") || !request.getParameter("notifying"))
+ throw FatalProfileException("Unsupported request to ADFS protocol endpoint.");
+ else
+ returning = true;
+
+ param = request.getParameter("wreply");
+ const Application& app = request.getApplication();
+
+ if (!returning) {
+ // Pass control to the first front channel notification point, if any.
+ map<string,string> parammap;
+ if (param)
+ parammap["wreply"] = param;
+ pair<bool,long> result = notifyFrontChannel(app, request, request, ¶mmap);
+ if (result.first)
+ return result;
+ }
+
+ // Best effort on back channel and to remove the user agent's session.
+ string session_id = app.getServiceProvider().getSessionCache()->active(app, request);
+ if (!session_id.empty()) {
+ vector<string> sessions(1,session_id);
+ notifyBackChannel(app, request.getRequestURL(), sessions, false);
+ try {
+ app.getServiceProvider().getSessionCache()->remove(app, request, &request);
+ }
+ catch (std::exception& ex) {
+ m_log.error("error removing session (%s): %s", session_id.c_str(), ex.what());
+ }
+ }
+
+ if (param) {
+ if (*param == '/') {
+ string p(param);
+ request.absolutize(p);
+ return make_pair(true, request.sendRedirect(p.c_str()));
+ }
+ else {
+ app.limitRedirect(request, param);
+ return make_pair(true, request.sendRedirect(param));
+ }
+ }
+ return sendLogoutPage(app, request, request, "global");
+}
projects / shibboleth / cpp-sp.git / blobdiff