2 * Copyright 2001-2009 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
20 * ADFSv1 extension library
23 #if defined (_MSC_VER) || defined(__BORLANDC__)
24 # include "config_win32.h"
30 # define _CRT_NONSTDC_NO_DEPRECATE 1
31 # define _CRT_SECURE_NO_DEPRECATE 1
32 # define ADFS_EXPORTS __declspec(dllexport)
37 #include <shibsp/base.h>
38 #include <shibsp/exceptions.h>
39 #include <shibsp/Application.h>
40 #include <shibsp/ServiceProvider.h>
41 #include <shibsp/SessionCache.h>
42 #include <shibsp/SPConfig.h>
43 #include <shibsp/SPRequest.h>
44 #include <shibsp/handler/AssertionConsumerService.h>
45 #include <shibsp/handler/LogoutHandler.h>
46 #include <shibsp/handler/SessionInitiator.h>
47 #include <xmltooling/logging.h>
48 #include <xmltooling/util/DateTime.h>
49 #include <xmltooling/util/NDC.h>
50 #include <xmltooling/util/URLEncoder.h>
51 #include <xmltooling/util/XMLHelper.h>
55 # include <shibsp/attribute/resolver/ResolutionContext.h>
56 # include <shibsp/metadata/MetadataProviderCriteria.h>
57 # include <saml/SAMLConfig.h>
58 # include <saml/exceptions.h>
59 # include <saml/binding/SecurityPolicy.h>
60 # include <saml/saml1/core/Assertions.h>
61 # include <saml/saml2/core/Assertions.h>
62 # include <saml/saml2/metadata/Metadata.h>
63 # include <saml/saml2/metadata/EndpointManager.h>
64 # include <xmltooling/XMLToolingConfig.h>
65 # include <xmltooling/impl/AnyElement.h>
66 # include <xmltooling/validation/ValidatorSuite.h>
67 using namespace opensaml::saml2md;
69 # define min(a,b) (((a) < (b)) ? (a) : (b))
72 using namespace shibsp;
73 using namespace opensaml;
74 using namespace xmltooling::logging;
75 using namespace xmltooling;
76 using namespace xercesc;
79 #define WSFED_NS "http://schemas.xmlsoap.org/ws/2003/07/secext"
80 #define WSTRUST_NS "http://schemas.xmlsoap.org/ws/2005/02/trust"
85 class SHIBSP_DLLLOCAL ADFSDecoder : public MessageDecoder
89 ADFSDecoder() : m_ns(WSTRUST_NS) {}
90 virtual ~ADFSDecoder() {}
92 XMLObject* decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const;
95 void extractMessageDetails(
96 const XMLObject& message, const GenericRequest& req, const XMLCh* protocol, SecurityPolicy& policy
101 MessageDecoder* ADFSDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
103 return new ADFSDecoder();
107 #if defined (_MSC_VER)
108 #pragma warning( push )
109 #pragma warning( disable : 4250 )
112 class SHIBSP_DLLLOCAL ADFSSessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
115 ADFSSessionInitiator(const DOMElement* e, const char* appId)
116 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.ADFS"), NULL, &m_remapper), m_appId(appId), m_binding(WSFED_NS) {
117 // If Location isn't set, defer address registration until the setParent call.
118 pair<bool,const char*> loc = getString("Location");
120 string address = m_appId + loc.second + "::run::ADFSSI";
121 setAddress(address.c_str());
124 virtual ~ADFSSessionInitiator() {}
126 void setParent(const PropertySet* parent) {
127 DOMPropertySet::setParent(parent);
128 pair<bool,const char*> loc = getString("Location");
130 string address = m_appId + loc.second + "::run::ADFSSI";
131 setAddress(address.c_str());
134 m_log.warn("no Location property in ADFS SessionInitiator (or parent), can't register as remoted handler");
138 void receive(DDF& in, ostream& out);
139 pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
140 pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
143 pair<bool,long> doRequest(
144 const Application& application,
145 const HTTPRequest* httpRequest,
146 HTTPResponse& httpResponse,
147 const char* entityID,
148 const char* acsLocation,
149 const char* authnContextClassRef,
153 auto_ptr_XMLCh m_binding;
156 class SHIBSP_DLLLOCAL ADFSConsumer : public shibsp::AssertionConsumerService
159 ADFSConsumer(const DOMElement* e, const char* appId)
160 : shibsp::AssertionConsumerService(e, appId, Category::getInstance(SHIBSP_LOGCAT".SSO.ADFS"))
162 ,m_protocol(WSFED_NS)
165 virtual ~ADFSConsumer() {}
168 void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
169 AssertionConsumerService::generateMetadata(role, handlerURL);
170 role.addSupport(m_protocol.get());
173 auto_ptr_XMLCh m_protocol;
176 void implementProtocol(
177 const Application& application,
178 const HTTPRequest& httpRequest,
179 HTTPResponse& httpResponse,
180 SecurityPolicy& policy,
181 const PropertySet* settings,
182 const XMLObject& xmlObject
187 class SHIBSP_DLLLOCAL ADFSLogoutInitiator : public AbstractHandler, public LogoutHandler
190 ADFSLogoutInitiator(const DOMElement* e, const char* appId)
191 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".LogoutInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {
192 // If Location isn't set, defer address registration until the setParent call.
193 pair<bool,const char*> loc = getString("Location");
195 string address = m_appId + loc.second + "::run::ADFSLI";
196 setAddress(address.c_str());
199 virtual ~ADFSLogoutInitiator() {}
201 void setParent(const PropertySet* parent) {
202 DOMPropertySet::setParent(parent);
203 pair<bool,const char*> loc = getString("Location");
205 string address = m_appId + loc.second + "::run::ADFSLI";
206 setAddress(address.c_str());
209 m_log.warn("no Location property in ADFS LogoutInitiator (or parent), can't register as remoted handler");
213 void receive(DDF& in, ostream& out);
214 pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
217 const char* getType() const {
218 return "LogoutInitiator";
223 pair<bool,long> doRequest(const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session) const;
226 auto_ptr_XMLCh m_binding;
229 class SHIBSP_DLLLOCAL ADFSLogout : public AbstractHandler, public LogoutHandler
232 ADFSLogout(const DOMElement* e, const char* appId)
233 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".Logout.ADFS")), m_login(e, appId) {
236 m_preserve.push_back("wreply");
237 string address = string(appId) + getString("Location").second + "::run::ADFSLO";
238 setAddress(address.c_str());
241 virtual ~ADFSLogout() {}
243 pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
246 void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
247 m_login.generateMetadata(role, handlerURL);
248 const char* loc = getString("Location").second;
249 string hurl(handlerURL);
253 auto_ptr_XMLCh widen(hurl.c_str());
254 SingleLogoutService* ep = SingleLogoutServiceBuilder::buildSingleLogoutService();
255 ep->setLocation(widen.get());
256 ep->setBinding(m_login.m_protocol.get());
257 role.getSingleLogoutServices().push_back(ep);
260 const char* getType() const {
261 return m_login.getType();
266 ADFSConsumer m_login;
269 #if defined (_MSC_VER)
270 #pragma warning( pop )
273 SessionInitiator* ADFSSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
275 return new ADFSSessionInitiator(p.first, p.second);
278 Handler* ADFSLogoutFactory(const pair<const DOMElement*,const char*>& p)
280 return new ADFSLogout(p.first, p.second);
283 Handler* ADFSLogoutInitiatorFactory(const pair<const DOMElement*,const char*>& p)
285 return new ADFSLogoutInitiator(p.first, p.second);
288 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);
289 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);
292 extern "C" int ADFS_EXPORTS xmltooling_extension_init(void*)
294 SPConfig& conf=SPConfig::getConfig();
295 conf.SessionInitiatorManager.registerFactory("ADFS", ADFSSessionInitiatorFactory);
296 conf.LogoutInitiatorManager.registerFactory("ADFS", ADFSLogoutInitiatorFactory);
297 conf.AssertionConsumerServiceManager.registerFactory("ADFS", ADFSLogoutFactory);
298 conf.AssertionConsumerServiceManager.registerFactory(WSFED_NS, ADFSLogoutFactory);
300 SAMLConfig::getConfig().MessageDecoderManager.registerFactory(WSFED_NS, ADFSDecoderFactory);
301 XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestedSecurityToken"), new AnyElementBuilder());
302 XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestSecurityTokenResponse"), new AnyElementBuilder());
307 extern "C" void ADFS_EXPORTS xmltooling_extension_term()
309 /* should get unregistered during normal shutdown...
310 SPConfig& conf=SPConfig::getConfig();
311 conf.SessionInitiatorManager.deregisterFactory("ADFS");
312 conf.LogoutInitiatorManager.deregisterFactory("ADFS");
313 conf.AssertionConsumerServiceManager.deregisterFactory("ADFS");
314 conf.AssertionConsumerServiceManager.deregisterFactory(WSFED_NS);
316 SAMLConfig::getConfig().MessageDecoderManager.deregisterFactory(WSFED_NS);
321 pair<bool,long> ADFSSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
323 // We have to know the IdP to function.
324 if (entityID.empty())
325 return make_pair(false,0L);
328 const Handler* ACS=NULL;
330 pair<bool,const char*> acClass;
331 const Application& app=request.getApplication();
334 option=request.getParameter("acsIndex");
336 ACS = app.getAssertionConsumerServiceByIndex(atoi(option));
338 request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");
341 option = request.getParameter("target");
345 // Since we're passing the ACS by value, we need to compute the return URL,
346 // so we'll need the target resource for real.
347 recoverRelayState(request.getApplication(), request, request, target, false);
349 if (acClass.second = request.getParameter("authnContextClassRef"))
350 acClass.first = true;
352 acClass = getString("authnContextClassRef");
355 // We're running as a "virtual handler" from within the filter.
356 // The target resource is the current one and everything else is defaulted.
357 target=request.getRequestURL();
359 const PropertySet* settings = request.getRequestSettings().first;
360 acClass = settings->getString("authnContextClassRef");
362 acClass = getString("authnContextClassRef");
365 // Since we're not passing by index, we need to fully compute the return URL.
367 pair<bool,unsigned int> index = getUnsignedInt("acsIndex");
369 ACS = app.getAssertionConsumerServiceByIndex(index.second);
371 request.log(SPRequest::SPWarn, "invalid acsIndex property, using default ACS location");
374 ACS = app.getDefaultAssertionConsumerService();
377 // Validate the ACS for use with this protocol.
378 pair<bool,const XMLCh*> ACSbinding = ACS ? ACS->getXMLString("Binding") : pair<bool,const XMLCh*>(false,NULL);
379 if (ACSbinding.first) {
380 if (!XMLString::equals(ACSbinding.second, m_binding.get())) {
381 m_log.info("configured or requested ACS has non-ADFS binding");
382 return make_pair(false,0L);
386 // Compute the ACS URL. We add the ACS location to the base handlerURL.
387 string ACSloc=request.getHandlerURL(target.c_str());
388 pair<bool,const char*> loc=ACS ? ACS->getString("Location") : pair<bool,const char*>(false,NULL);
389 if (loc.first) ACSloc+=loc.second;
392 // We may already have RelayState set if we looped back here,
393 // but just in case target is a resource, we reset it back.
395 option = request.getParameter("target");
400 m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID.c_str());
402 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
403 // Out of process means the POST data via the request can be exposed directly to the private method.
404 // The method will handle POST preservation if necessary *before* issuing the response, but only if
405 // it dispatches to an IdP.
406 return doRequest(app, &request, request, entityID.c_str(), ACSloc.c_str(), (acClass.first ? acClass.second : NULL), target);
410 DDF out,in = DDF(m_address.c_str()).structure();
411 DDFJanitor jin(in), jout(out);
412 in.addmember("application_id").string(app.getId());
413 in.addmember("entity_id").string(entityID.c_str());
414 in.addmember("acsLocation").string(ACSloc.c_str());
416 in.addmember("RelayState").unsafe_string(target.c_str());
418 in.addmember("authnContextClassRef").string(acClass.second);
420 // Remote the processing.
421 out = request.getServiceProvider().getListenerService()->send(in);
422 return unwrap(request, out);
425 pair<bool,long> ADFSSessionInitiator::unwrap(SPRequest& request, DDF& out) const
427 // See if there's any response to send back.
428 if (!out["redirect"].isnull() || !out["response"].isnull()) {
429 // If so, we're responsible for handling the POST data, probably by dropping a cookie.
430 preservePostData(request.getApplication(), request, request, out["RelayState"].string());
432 return RemotedHandler::unwrap(request, out);
435 void ADFSSessionInitiator::receive(DDF& in, ostream& out)
438 const char* aid=in["application_id"].string();
439 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
441 // Something's horribly wrong.
442 m_log.error("couldn't find application (%s) to generate ADFS request", aid ? aid : "(missing)");
443 throw ConfigurationException("Unable to locate application for new session, deleted?");
446 const char* entityID = in["entity_id"].string();
447 const char* acsLocation = in["acsLocation"].string();
448 if (!entityID || !acsLocation)
449 throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");
452 DDFJanitor jout(ret);
454 // Wrap the outgoing object with a Response facade.
455 auto_ptr<HTTPResponse> http(getResponse(ret));
457 string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
459 // Since we're remoted, the result should either be a throw, which we pass on,
460 // a false/0 return, which we just return as an empty structure, or a response/redirect,
461 // which we capture in the facade and send back.
462 doRequest(*app, NULL, *http.get(), entityID, acsLocation, in["authnContextClassRef"].string(), relayState);
465 ret.addmember("RelayState").unsafe_string(relayState.c_str());
469 pair<bool,long> ADFSSessionInitiator::doRequest(
470 const Application& app,
471 const HTTPRequest* httpRequest,
472 HTTPResponse& httpResponse,
473 const char* entityID,
474 const char* acsLocation,
475 const char* authnContextClassRef,
480 // Use metadata to invoke the SSO service directly.
481 MetadataProvider* m=app.getMetadataProvider();
483 MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
484 pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
486 m_log.warn("unable to locate metadata for provider (%s)", entityID);
487 throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
489 else if (!entity.second) {
490 m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate ADFS-aware identity provider role for provider (%s)", entityID);
492 return make_pair(false,0L);
493 throw MetadataException("Unable to locate ADFS-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
495 const EndpointType* ep = EndpointManager<SingleSignOnService>(
496 dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()
497 ).getByBinding(m_binding.get());
499 m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
501 return make_pair(false,0L);
502 throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
505 preserveRelayState(app, httpResponse, relayState);
508 time_t epoch=time(NULL);
509 #ifndef HAVE_GMTIME_R
510 struct tm* ptime=gmtime(&epoch);
513 struct tm* ptime=gmtime_r(&epoch,&res);
516 strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
518 auto_ptr_char dest(ep->getLocation());
519 const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
521 string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +
522 "&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);
523 if (authnContextClassRef)
524 req += "&wauth=" + urlenc->encode(authnContextClassRef);
525 if (!relayState.empty())
526 req += "&wctx=" + urlenc->encode(relayState.c_str());
529 // If the request object is available, we're responsible for the POST data.
530 preservePostData(app, *httpRequest, httpResponse, relayState.c_str());
533 return make_pair(true, httpResponse.sendRedirect(req.c_str()));
535 return make_pair(false,0L);
541 XMLObject* ADFSDecoder::decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const
544 xmltooling::NDC ndc("decode");
546 Category& log = Category::getInstance(SHIBSP_LOGCAT".MessageDecoder.ADFS");
548 log.debug("validating input");
549 const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
551 throw BindingException("Unable to cast request object to HTTPRequest type.");
552 if (strcmp(httpRequest->getMethod(),"POST"))
553 throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));
554 const char* param = httpRequest->getParameter("wa");
555 if (!param || strcmp(param, "wsignin1.0"))
556 throw BindingException("Missing or invalid wa parameter (should be wsignin1.0).");
557 param = httpRequest->getParameter("wctx");
561 param = httpRequest->getParameter("wresult");
563 throw BindingException("Request missing wresult parameter.");
565 log.debug("decoded ADFS response:\n%s", param);
567 // Parse and bind the document into an XMLObject.
568 istringstream is(param);
569 DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
570 : XMLToolingConfig::getConfig().getParser()).parse(is);
571 XercesJanitor<DOMDocument> janitor(doc);
572 auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
575 if (!XMLString::equals(xmlObject->getElementQName().getLocalPart(), RequestSecurityTokenResponse)) {
576 log.error("unrecognized root element on message: %s", xmlObject->getElementQName().toString().c_str());
577 throw BindingException("Decoded message was not of the appropriate type.");
580 SchemaValidators.validate(xmlObject.get());
582 // Skip policy step here, there's no security in the wrapper.
583 // policy.evaluate(*xmlObject.get(), &genericRequest);
585 return xmlObject.release();
588 void ADFSConsumer::implementProtocol(
589 const Application& application,
590 const HTTPRequest& httpRequest,
591 HTTPResponse& httpResponse,
592 SecurityPolicy& policy,
593 const PropertySet* settings,
594 const XMLObject& xmlObject
597 // Implementation of ADFS profile.
598 m_log.debug("processing message against ADFS Passive Requester profile");
600 // With ADFS, all the security comes from the assertion, which is two levels down in the message.
602 const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);
603 if (!response || !response->hasChildren())
604 throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");
606 const Assertion* token = NULL;
607 for (vector<XMLObject*>::const_iterator xo = response->getUnknownXMLObjects().begin(); xo != response->getUnknownXMLObjects().end(); ++xo) {
608 // Look for the RequestedSecurityToken element.
609 if (XMLString::equals((*xo)->getElementQName().getLocalPart(), RequestedSecurityToken)) {
610 response = dynamic_cast<const ElementProxy*>(*xo);
611 if (!response || !response->hasChildren())
612 throw FatalProfileException("Token wrapper element did not contain a security token.");
613 token = dynamic_cast<const Assertion*>(response->getUnknownXMLObjects().front());
614 if (!token || !token->getSignature())
615 throw FatalProfileException("Incoming message did not contain a signed SAML assertion.");
620 // Extract message and issuer details from assertion.
621 extractMessageDetails(*token, m_protocol.get(), policy);
623 // Populate recipient as audience.
624 const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : NULL;
625 policy.getAudiences().push_back(application.getRelyingParty(entity)->getXMLString("entityID").second);
627 // Run the policy over the assertion. Handles replay, freshness, and
628 // signature verification, assuming the relevant rules are configured,
629 // along with condition enforcement.
630 policy.evaluate(*token, &httpRequest);
632 // If no security is in place now, we kick it.
633 if (!policy.isAuthenticated())
634 throw SecurityPolicyException("Unable to establish security of incoming assertion.");
636 saml1::NameIdentifier* saml1name=NULL;
637 saml2::NameID* saml2name=NULL;
638 const XMLCh* authMethod=NULL;
639 const XMLCh* authInstant=NULL;
640 time_t now = time(NULL), sessionExp = 0;
641 const PropertySet* sessionProps = application.getPropertySet("Sessions");
643 const saml1::Assertion* saml1token = dynamic_cast<const saml1::Assertion*>(token);
645 // Now do profile validation to ensure we can use it for SSO.
646 if (!saml1token->getConditions() || !saml1token->getConditions()->getNotBefore() || !saml1token->getConditions()->getNotOnOrAfter())
647 throw FatalProfileException("Assertion did not contain time conditions.");
648 else if (saml1token->getAuthenticationStatements().empty())
649 throw FatalProfileException("Assertion did not contain an authentication statement.");
651 // authnskew allows rejection of SSO if AuthnInstant is too old.
652 pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
654 const saml1::AuthenticationStatement* ssoStatement=saml1token->getAuthenticationStatements().front();
655 if (authnskew.first && authnskew.second &&
656 ssoStatement->getAuthenticationInstant() && (now - ssoStatement->getAuthenticationInstantEpoch() > authnskew.second))
657 throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
660 saml1::SubjectLocality* locality = ssoStatement->getSubjectLocality();
661 if (locality && locality->getIPAddress()) {
662 auto_ptr_char ip(locality->getIPAddress());
663 checkAddress(application, httpRequest, ip.get());
666 saml1name = ssoStatement->getSubject()->getNameIdentifier();
667 authMethod = ssoStatement->getAuthenticationMethod();
668 if (ssoStatement->getAuthenticationInstant())
669 authInstant = ssoStatement->getAuthenticationInstant()->getRawData();
671 // Session expiration.
672 pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
673 if (!lifetime.first || lifetime.second == 0)
674 lifetime.second = 28800;
675 sessionExp = now + lifetime.second;
678 const saml2::Assertion* saml2token = dynamic_cast<const saml2::Assertion*>(token);
680 throw FatalProfileException("Incoming message did not contain a recognized type of SAML assertion.");
682 // Now do profile validation to ensure we can use it for SSO.
683 if (!saml2token->getConditions() || !saml2token->getConditions()->getNotBefore() || !saml2token->getConditions()->getNotOnOrAfter())
684 throw FatalProfileException("Assertion did not contain time conditions.");
685 else if (saml2token->getAuthnStatements().empty())
686 throw FatalProfileException("Assertion did not contain an authentication statement.");
688 // authnskew allows rejection of SSO if AuthnInstant is too old.
689 pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
691 const saml2::AuthnStatement* ssoStatement=saml2token->getAuthnStatements().front();
692 if (authnskew.first && authnskew.second &&
693 ssoStatement->getAuthnInstant() && (now - ssoStatement->getAuthnInstantEpoch() > authnskew.second))
694 throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
697 saml2::SubjectLocality* locality = ssoStatement->getSubjectLocality();
698 if (locality && locality->getAddress()) {
699 auto_ptr_char ip(locality->getAddress());
700 checkAddress(application, httpRequest, ip.get());
703 saml2name = saml2token->getSubject() ? saml2token->getSubject()->getNameID() : NULL;
704 if (ssoStatement->getAuthnContext() && ssoStatement->getAuthnContext()->getAuthnContextClassRef())
705 authMethod = ssoStatement->getAuthnContext()->getAuthnContextClassRef()->getReference();
706 if (ssoStatement->getAuthnInstant())
707 authInstant = ssoStatement->getAuthnInstant()->getRawData();
709 // Session expiration for SAML 2.0 is jointly IdP- and SP-driven.
710 sessionExp = ssoStatement->getSessionNotOnOrAfter() ? ssoStatement->getSessionNotOnOrAfterEpoch() : 0;
711 pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
712 if (!lifetime.first || lifetime.second == 0)
713 lifetime.second = 28800;
715 sessionExp = now + lifetime.second; // IdP says nothing, calulate based on SP.
717 sessionExp = min(sessionExp, now + lifetime.second); // Use the lowest.
720 m_log.debug("ADFS profile processing completed successfully");
722 // We've successfully "accepted" the SSO token.
723 // To complete processing, we need to extract and resolve attributes and then create the session.
725 // Normalize a SAML 1.x NameIdentifier...
726 auto_ptr<saml2::NameID> nameid(saml1name ? saml2::NameIDBuilder::buildNameID() : NULL);
728 nameid->setName(saml1name->getName());
729 nameid->setFormat(saml1name->getFormat());
730 nameid->setNameQualifier(saml1name->getNameQualifier());
733 // The context will handle deleting attributes and new tokens.
734 vector<const Assertion*> tokens(1,token);
735 auto_ptr<ResolutionContext> ctx(
738 policy.getIssuerMetadata(),
741 (saml1name ? nameid.get() : saml2name),
749 // Copy over any new tokens, but leave them in the context for cleanup.
750 tokens.insert(tokens.end(), ctx->getResolvedAssertions().begin(), ctx->getResolvedAssertions().end());
753 application.getServiceProvider().getSessionCache()->insert(
760 (saml1name ? nameid.get() : saml2name),
766 ctx.get() ? &ctx->getResolvedAttributes() : NULL
772 pair<bool,long> ADFSLogoutInitiator::run(SPRequest& request, bool isHandler) const
774 // Normally we'd do notifications and session clearage here, but ADFS logout
775 // is missing the needed request/response features, so we have to rely on
776 // the IdP half to notify us back about the logout and do the work there.
777 // Basically we have no way to tell in the Logout receiving handler whether
778 // we initiated the logout or not.
780 Session* session = NULL;
782 session = request.getSession(false, true, false); // don't cache it and ignore all checks
784 return make_pair(false,0L);
786 // We only handle ADFS sessions.
787 if (!XMLString::equals(session->getProtocol(), WSFED_NS) || !session->getEntityID()) {
789 return make_pair(false,0L);
792 catch (exception& ex) {
793 m_log.error("error accessing current session: %s", ex.what());
794 return make_pair(false,0L);
797 string entityID(session->getEntityID());
800 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
801 // When out of process, we run natively.
802 return doRequest(request.getApplication(), request, request, session);
805 // When not out of process, we remote the request.
807 vector<string> headers(1,"Cookie");
808 DDF out,in = wrap(request,&headers);
809 DDFJanitor jin(in), jout(out);
810 out=request.getServiceProvider().getListenerService()->send(in);
811 return unwrap(request, out);
815 void ADFSLogoutInitiator::receive(DDF& in, ostream& out)
818 // Defer to base class for notifications
819 if (in["notify"].integer() == 1)
820 return LogoutHandler::receive(in, out);
823 const char* aid=in["application_id"].string();
824 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : NULL;
826 // Something's horribly wrong.
827 m_log.error("couldn't find application (%s) for logout", aid ? aid : "(missing)");
828 throw ConfigurationException("Unable to locate application for logout, deleted?");
831 // Unpack the request.
832 auto_ptr<HTTPRequest> req(getRequest(in));
834 // Set up a response shim.
836 DDFJanitor jout(ret);
837 auto_ptr<HTTPResponse> resp(getResponse(ret));
839 Session* session = NULL;
841 session = app->getServiceProvider().getSessionCache()->find(*app, *req.get(), NULL, NULL);
843 catch (exception& ex) {
844 m_log.error("error accessing current session: %s", ex.what());
847 // With no session, we just skip the request and let it fall through to an empty struct return.
849 if (session->getEntityID()) {
850 // Since we're remoted, the result should either be a throw, which we pass on,
851 // a false/0 return, which we just return as an empty structure, or a response/redirect,
852 // which we capture in the facade and send back.
853 doRequest(*app, *req.get(), *resp.get(), session);
856 m_log.error("no issuing entityID found in session");
858 app->getServiceProvider().getSessionCache()->remove(*app, *req.get(), resp.get());
863 throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
867 pair<bool,long> ADFSLogoutInitiator::doRequest(
868 const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session
871 // Do back channel notification.
872 vector<string> sessions(1, session->getID());
873 if (!notifyBackChannel(application, httpRequest.getRequestURL(), sessions, false)) {
875 application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
876 return sendLogoutPage(application, httpRequest, httpResponse, true, "Partial logout failure.");
880 pair<bool,long> ret = make_pair(false,0L);
883 // With a session in hand, we can create a request message, if we can find a compatible endpoint.
884 MetadataProvider* m=application.getMetadataProvider();
885 Locker metadataLocker(m);
886 MetadataProviderCriteria mc(application, session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
887 pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
889 throw MetadataException(
890 "Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", session->getEntityID())
893 else if (!entity.second) {
894 throw MetadataException(
895 "Unable to locate ADFS IdP role for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())
899 const EndpointType* ep = EndpointManager<SingleLogoutService>(
900 dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleLogoutServices()
901 ).getByBinding(m_binding.get());
903 throw MetadataException(
904 "Unable to locate ADFS single logout service for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())
908 const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
909 const char* returnloc = httpRequest.getParameter("return");
910 auto_ptr_char dest(ep->getLocation());
911 string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignout1.0";
913 req += "&wreply=" + urlenc->encode(returnloc);
914 ret.second = httpResponse.sendRedirect(req.c_str());
917 catch (exception& ex) {
918 m_log.error("error issuing ADFS logout request: %s", ex.what());
924 application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
929 throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
933 pair<bool,long> ADFSLogout::run(SPRequest& request, bool isHandler) const
935 // Defer to base class for front-channel loop first.
936 // This won't initiate the loop, only continue/end it.
937 pair<bool,long> ret = LogoutHandler::run(request, isHandler);
941 // wa parameter indicates the "action" to perform
942 bool returning = false;
943 const char* param = request.getParameter("wa");
945 if (!strcmp(param, "wsignin1.0"))
946 return m_login.run(request, isHandler);
947 else if (strcmp(param, "wsignout1.0") && strcmp(param, "wsignoutcleanup1.0"))
948 throw FatalProfileException("Unsupported WS-Federation action paremeter ($1).", params(1, param));
950 else if (strcmp(request.getMethod(),"GET") || !request.getParameter("notifying"))
951 throw FatalProfileException("Unsupported request to ADFS protocol endpoint.");
955 param = request.getParameter("wreply");
956 const Application& app = request.getApplication();
959 // Pass control to the first front channel notification point, if any.
960 map<string,string> parammap;
962 parammap["wreply"] = param;
963 pair<bool,long> result = notifyFrontChannel(app, request, request, ¶mmap);
968 // Best effort on back channel and to remove the user agent's session.
969 string session_id = app.getServiceProvider().getSessionCache()->active(app, request);
970 if (!session_id.empty()) {
971 vector<string> sessions(1,session_id);
972 notifyBackChannel(app, request.getRequestURL(), sessions, false);
974 app.getServiceProvider().getSessionCache()->remove(app, request, &request);
976 catch (exception& ex) {
977 m_log.error("error removing session (%s): %s", session_id.c_str(), ex.what());
982 return make_pair(true, request.sendRedirect(param));
983 return sendLogoutPage(app, request, request, false, "Logout complete.");