2 * Licensed to the University Corporation for Advanced Internet
3 * Development, Inc. (UCAID) under one or more contributor license
4 * agreements. See the NOTICE file distributed with this work for
5 * additional information regarding copyright ownership.
7 * UCAID licenses this file to you under the Apache License,
8 * Version 2.0 (the "License"); you may not use this file except
9 * in compliance with the License. You may obtain a copy of the
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
17 * either express or implied. See the License for the specific
18 * language governing permissions and limitations under the License.
24 * ADFSv1 extension library.
27 #if defined (_MSC_VER) || defined(__BORLANDC__)
28 # include "config_win32.h"
34 # define _CRT_NONSTDC_NO_DEPRECATE 1
35 # define _CRT_SECURE_NO_DEPRECATE 1
36 # define ADFS_EXPORTS __declspec(dllexport)
41 #include <shibsp/base.h>
42 #include <shibsp/exceptions.h>
43 #include <shibsp/Application.h>
44 #include <shibsp/ServiceProvider.h>
45 #include <shibsp/SessionCache.h>
46 #include <shibsp/SPConfig.h>
47 #include <shibsp/SPRequest.h>
48 #include <shibsp/handler/AssertionConsumerService.h>
49 #include <shibsp/handler/LogoutInitiator.h>
50 #include <shibsp/handler/SessionInitiator.h>
51 #include <xmltooling/logging.h>
52 #include <xmltooling/util/DateTime.h>
53 #include <xmltooling/util/NDC.h>
54 #include <xmltooling/util/URLEncoder.h>
55 #include <xmltooling/util/XMLHelper.h>
59 # include <shibsp/attribute/resolver/ResolutionContext.h>
60 # include <shibsp/metadata/MetadataProviderCriteria.h>
61 # include <saml/SAMLConfig.h>
62 # include <saml/exceptions.h>
63 # include <saml/binding/SecurityPolicy.h>
64 # include <saml/saml1/core/Assertions.h>
65 # include <saml/saml2/core/Assertions.h>
66 # include <saml/saml2/metadata/Metadata.h>
67 # include <saml/saml2/metadata/EndpointManager.h>
68 # include <xmltooling/XMLToolingConfig.h>
69 # include <xmltooling/impl/AnyElement.h>
70 # include <xmltooling/util/ParserPool.h>
71 # include <xmltooling/validation/ValidatorSuite.h>
72 using namespace opensaml::saml2md;
74 # define min(a,b) (((a) < (b)) ? (a) : (b))
77 using namespace shibsp;
78 using namespace opensaml;
79 using namespace xmltooling::logging;
80 using namespace xmltooling;
81 using namespace xercesc;
84 #define WSFED_NS "http://schemas.xmlsoap.org/ws/2003/07/secext"
85 #define WSTRUST_NS "http://schemas.xmlsoap.org/ws/2005/02/trust"
90 class SHIBSP_DLLLOCAL ADFSDecoder : public MessageDecoder
94 ADFSDecoder() : m_ns(WSTRUST_NS) {}
95 virtual ~ADFSDecoder() {}
97 const XMLCh* getProtocolFamily() const {
101 XMLObject* decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const;
104 void extractMessageDetails(
105 const XMLObject& message, const GenericRequest& req, const XMLCh* protocol, SecurityPolicy& policy
110 MessageDecoder* ADFSDecoderFactory(const pair<const DOMElement*,const XMLCh*>& p)
112 return new ADFSDecoder();
116 #if defined (_MSC_VER)
117 #pragma warning( push )
118 #pragma warning( disable : 4250 )
121 class SHIBSP_DLLLOCAL ADFSSessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
124 ADFSSessionInitiator(const DOMElement* e, const char* appId)
125 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.ADFS"), nullptr, &m_remapper), m_appId(appId), m_binding(WSFED_NS) {
126 // If Location isn't set, defer address registration until the setParent call.
127 pair<bool,const char*> loc = getString("Location");
129 string address = m_appId + loc.second + "::run::ADFSSI";
130 setAddress(address.c_str());
133 virtual ~ADFSSessionInitiator() {}
135 void setParent(const PropertySet* parent) {
136 DOMPropertySet::setParent(parent);
137 pair<bool,const char*> loc = getString("Location");
139 string address = m_appId + loc.second + "::run::ADFSSI";
140 setAddress(address.c_str());
143 m_log.warn("no Location property in ADFS SessionInitiator (or parent), can't register as remoted handler");
147 void receive(DDF& in, ostream& out);
148 pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
149 pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
151 const XMLCh* getProtocolFamily() const {
152 return m_binding.get();
156 pair<bool,long> doRequest(
157 const Application& application,
158 const HTTPRequest* httpRequest,
159 HTTPResponse& httpResponse,
160 const char* entityID,
161 const char* acsLocation,
162 const char* authnContextClassRef,
166 auto_ptr_XMLCh m_binding;
169 class SHIBSP_DLLLOCAL ADFSConsumer : public shibsp::AssertionConsumerService
171 auto_ptr_XMLCh m_protocol;
173 ADFSConsumer(const DOMElement* e, const char* appId)
174 : shibsp::AssertionConsumerService(e, appId, Category::getInstance(SHIBSP_LOGCAT".SSO.ADFS")), m_protocol(WSFED_NS) {}
175 virtual ~ADFSConsumer() {}
178 void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
179 AssertionConsumerService::generateMetadata(role, handlerURL);
180 role.addSupport(m_protocol.get());
184 void implementProtocol(
185 const Application& application,
186 const HTTPRequest& httpRequest,
187 HTTPResponse& httpResponse,
188 SecurityPolicy& policy,
190 const XMLObject& xmlObject
193 const XMLCh* getProtocolFamily() const {
194 return m_protocol.get();
199 class SHIBSP_DLLLOCAL ADFSLogoutInitiator : public AbstractHandler, public LogoutInitiator
202 ADFSLogoutInitiator(const DOMElement* e, const char* appId)
203 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".LogoutInitiator.ADFS")), m_appId(appId), m_binding(WSFED_NS) {
204 // If Location isn't set, defer address registration until the setParent call.
205 pair<bool,const char*> loc = getString("Location");
207 string address = m_appId + loc.second + "::run::ADFSLI";
208 setAddress(address.c_str());
211 virtual ~ADFSLogoutInitiator() {}
213 void setParent(const PropertySet* parent) {
214 DOMPropertySet::setParent(parent);
215 pair<bool,const char*> loc = getString("Location");
217 string address = m_appId + loc.second + "::run::ADFSLI";
218 setAddress(address.c_str());
221 m_log.warn("no Location property in ADFS LogoutInitiator (or parent), can't register as remoted handler");
225 void receive(DDF& in, ostream& out);
226 pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
228 const XMLCh* getProtocolFamily() const {
229 return m_binding.get();
233 pair<bool,long> doRequest(const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session) const;
236 auto_ptr_XMLCh m_binding;
239 class SHIBSP_DLLLOCAL ADFSLogout : public AbstractHandler, public LogoutHandler
242 ADFSLogout(const DOMElement* e, const char* appId)
243 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".Logout.ADFS")), m_login(e, appId) {
246 m_preserve.push_back("wreply");
247 string address = string(appId) + getString("Location").second + "::run::ADFSLO";
248 setAddress(address.c_str());
251 virtual ~ADFSLogout() {}
253 pair<bool,long> run(SPRequest& request, bool isHandler=true) const;
256 void generateMetadata(SPSSODescriptor& role, const char* handlerURL) const {
257 m_login.generateMetadata(role, handlerURL);
258 const char* loc = getString("Location").second;
259 string hurl(handlerURL);
263 auto_ptr_XMLCh widen(hurl.c_str());
264 SingleLogoutService* ep = SingleLogoutServiceBuilder::buildSingleLogoutService();
265 ep->setLocation(widen.get());
266 ep->setBinding(m_login.getProtocolFamily());
267 role.getSingleLogoutServices().push_back(ep);
270 const char* getType() const {
271 return m_login.getType();
274 const XMLCh* getProtocolFamily() const {
275 return m_login.getProtocolFamily();
279 ADFSConsumer m_login;
282 #if defined (_MSC_VER)
283 #pragma warning( pop )
286 SessionInitiator* ADFSSessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
288 return new ADFSSessionInitiator(p.first, p.second);
291 Handler* ADFSLogoutFactory(const pair<const DOMElement*,const char*>& p)
293 return new ADFSLogout(p.first, p.second);
296 Handler* ADFSLogoutInitiatorFactory(const pair<const DOMElement*,const char*>& p)
298 return new ADFSLogoutInitiator(p.first, p.second);
301 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);
302 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);
305 extern "C" int ADFS_EXPORTS xmltooling_extension_init(void*)
307 SPConfig& conf=SPConfig::getConfig();
308 conf.SessionInitiatorManager.registerFactory("ADFS", ADFSSessionInitiatorFactory);
309 conf.LogoutInitiatorManager.registerFactory("ADFS", ADFSLogoutInitiatorFactory);
310 conf.AssertionConsumerServiceManager.registerFactory("ADFS", ADFSLogoutFactory);
311 conf.AssertionConsumerServiceManager.registerFactory(WSFED_NS, ADFSLogoutFactory);
313 SAMLConfig::getConfig().MessageDecoderManager.registerFactory(WSFED_NS, ADFSDecoderFactory);
314 XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestedSecurityToken"), new AnyElementBuilder());
315 XMLObjectBuilder::registerBuilder(xmltooling::QName(WSTRUST_NS,"RequestSecurityTokenResponse"), new AnyElementBuilder());
320 extern "C" void ADFS_EXPORTS xmltooling_extension_term()
322 /* should get unregistered during normal shutdown...
323 SPConfig& conf=SPConfig::getConfig();
324 conf.SessionInitiatorManager.deregisterFactory("ADFS");
325 conf.LogoutInitiatorManager.deregisterFactory("ADFS");
326 conf.AssertionConsumerServiceManager.deregisterFactory("ADFS");
327 conf.AssertionConsumerServiceManager.deregisterFactory(WSFED_NS);
329 SAMLConfig::getConfig().MessageDecoderManager.deregisterFactory(WSFED_NS);
334 pair<bool,long> ADFSSessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
336 // We have to know the IdP to function.
337 if (entityID.empty() || !checkCompatibility(request, isHandler))
338 return make_pair(false,0L);
341 pair<bool,const char*> prop;
342 pair<bool,const char*> acClass;
343 const Handler* ACS=nullptr;
344 const Application& app=request.getApplication();
347 prop.second = request.getParameter("acsIndex");
348 if (prop.second && *prop.second) {
349 ACS = app.getAssertionConsumerServiceByIndex(atoi(prop.second));
351 request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");
354 prop = getString("target", request);
356 target = prop.second;
358 // Since we're passing the ACS by value, we need to compute the return URL,
359 // so we'll need the target resource for real.
360 recoverRelayState(app, request, request, target, false);
362 acClass = getString("authnContextClassRef", request);
365 // Check for a hardwired target value in the map or handler.
366 prop = getString("target", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
368 target = prop.second;
370 target = request.getRequestURL();
372 acClass = getString("authnContextClassRef", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
376 pair<bool,unsigned int> index = getUnsignedInt("acsIndex", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
378 ACS = app.getAssertionConsumerServiceByIndex(index.second);
381 // Validate the ACS for use with this protocol.
382 if (!ACS || !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily())) {
384 request.log(SPRequest::SPWarn, "invalid acsIndex property, or non-ADFS ACS, using default ADFS ACS");
385 ACS = app.getAssertionConsumerServiceByProtocol(getProtocolFamily());
387 throw ConfigurationException("Unable to locate an ADFS-compatible ACS in the configuration.");
390 // Since we're not passing by index, we need to fully compute the return URL.
391 // Compute the ACS URL. We add the ACS location to the base handlerURL.
392 string ACSloc=request.getHandlerURL(target.c_str());
393 prop = ACS->getString("Location");
395 ACSloc += prop.second;
398 // We may already have RelayState set if we looped back here,
399 // but we've turned it back into a resource by this point, so if there's
400 // a target on the URL, reset to that value.
401 prop.second = request.getParameter("target");
402 if (prop.second && *prop.second)
403 target = prop.second;
406 m_log.debug("attempting to initiate session using ADFS with provider (%s)", entityID.c_str());
408 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
409 // Out of process means the POST data via the request can be exposed directly to the private method.
410 // The method will handle POST preservation if necessary *before* issuing the response, but only if
411 // it dispatches to an IdP.
412 return doRequest(app, &request, request, entityID.c_str(), ACSloc.c_str(), (acClass.first ? acClass.second : nullptr), target);
416 DDF out,in = DDF(m_address.c_str()).structure();
417 DDFJanitor jin(in), jout(out);
418 in.addmember("application_id").string(app.getId());
419 in.addmember("entity_id").string(entityID.c_str());
420 in.addmember("acsLocation").string(ACSloc.c_str());
422 in.addmember("RelayState").unsafe_string(target.c_str());
424 in.addmember("authnContextClassRef").string(acClass.second);
426 // Remote the processing.
427 out = request.getServiceProvider().getListenerService()->send(in);
428 return unwrap(request, out);
431 pair<bool,long> ADFSSessionInitiator::unwrap(SPRequest& request, DDF& out) const
433 // See if there's any response to send back.
434 if (!out["redirect"].isnull() || !out["response"].isnull()) {
435 // If so, we're responsible for handling the POST data, probably by dropping a cookie.
436 preservePostData(request.getApplication(), request, request, out["RelayState"].string());
438 return RemotedHandler::unwrap(request, out);
441 void ADFSSessionInitiator::receive(DDF& in, ostream& out)
444 const char* aid=in["application_id"].string();
445 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
447 // Something's horribly wrong.
448 m_log.error("couldn't find application (%s) to generate ADFS request", aid ? aid : "(missing)");
449 throw ConfigurationException("Unable to locate application for new session, deleted?");
452 const char* entityID = in["entity_id"].string();
453 const char* acsLocation = in["acsLocation"].string();
454 if (!entityID || !acsLocation)
455 throw ConfigurationException("No entityID or acsLocation parameter supplied to remoted SessionInitiator.");
458 DDFJanitor jout(ret);
460 // Wrap the outgoing object with a Response facade.
461 auto_ptr<HTTPResponse> http(getResponse(ret));
463 string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
465 // Since we're remoted, the result should either be a throw, which we pass on,
466 // a false/0 return, which we just return as an empty structure, or a response/redirect,
467 // which we capture in the facade and send back.
468 doRequest(*app, nullptr, *http.get(), entityID, acsLocation, in["authnContextClassRef"].string(), relayState);
471 ret.addmember("RelayState").unsafe_string(relayState.c_str());
475 pair<bool,long> ADFSSessionInitiator::doRequest(
476 const Application& app,
477 const HTTPRequest* httpRequest,
478 HTTPResponse& httpResponse,
479 const char* entityID,
480 const char* acsLocation,
481 const char* authnContextClassRef,
486 // Use metadata to invoke the SSO service directly.
487 MetadataProvider* m=app.getMetadataProvider();
489 MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
490 pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
492 m_log.warn("unable to locate metadata for provider (%s)", entityID);
493 throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
495 else if (!entity.second) {
496 m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate ADFS-aware identity provider role for provider (%s)", entityID);
498 return make_pair(false,0L);
499 throw MetadataException("Unable to locate ADFS-aware identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
501 const EndpointType* ep = EndpointManager<SingleSignOnService>(
502 dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleSignOnServices()
503 ).getByBinding(m_binding.get());
505 m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
507 return make_pair(false,0L);
508 throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
511 preserveRelayState(app, httpResponse, relayState);
514 time_t epoch=time(nullptr);
515 #ifndef HAVE_GMTIME_R
516 struct tm* ptime=gmtime(&epoch);
519 struct tm* ptime=gmtime_r(&epoch,&res);
522 strftime(timebuf,32,"%Y-%m-%dT%H:%M:%SZ",ptime);
524 auto_ptr_char dest(ep->getLocation());
525 const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
527 string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignin1.0&wreply=" + urlenc->encode(acsLocation) +
528 "&wct=" + urlenc->encode(timebuf) + "&wtrealm=" + urlenc->encode(app.getString("entityID").second);
529 if (authnContextClassRef)
530 req += "&wauth=" + urlenc->encode(authnContextClassRef);
531 if (!relayState.empty())
532 req += "&wctx=" + urlenc->encode(relayState.c_str());
535 // If the request object is available, we're responsible for the POST data.
536 preservePostData(app, *httpRequest, httpResponse, relayState.c_str());
539 return make_pair(true, httpResponse.sendRedirect(req.c_str()));
541 return make_pair(false,0L);
547 XMLObject* ADFSDecoder::decode(string& relayState, const GenericRequest& genericRequest, SecurityPolicy& policy) const
550 xmltooling::NDC ndc("decode");
552 Category& log = Category::getInstance(SHIBSP_LOGCAT".MessageDecoder.ADFS");
554 log.debug("validating input");
555 const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
557 throw BindingException("Unable to cast request object to HTTPRequest type.");
558 if (strcmp(httpRequest->getMethod(),"POST"))
559 throw BindingException("Invalid HTTP method ($1).", params(1, httpRequest->getMethod()));
560 const char* param = httpRequest->getParameter("wa");
561 if (!param || strcmp(param, "wsignin1.0"))
562 throw BindingException("Missing or invalid wa parameter (should be wsignin1.0).");
563 param = httpRequest->getParameter("wctx");
567 param = httpRequest->getParameter("wresult");
569 throw BindingException("Request missing wresult parameter.");
571 log.debug("decoded ADFS response:\n%s", param);
573 // Parse and bind the document into an XMLObject.
574 istringstream is(param);
575 DOMDocument* doc = (policy.getValidating() ? XMLToolingConfig::getConfig().getValidatingParser()
576 : XMLToolingConfig::getConfig().getParser()).parse(is);
577 XercesJanitor<DOMDocument> janitor(doc);
578 auto_ptr<XMLObject> xmlObject(XMLObjectBuilder::buildOneFromElement(doc->getDocumentElement(), true));
581 if (!XMLString::equals(xmlObject->getElementQName().getLocalPart(), RequestSecurityTokenResponse)) {
582 log.error("unrecognized root element on message: %s", xmlObject->getElementQName().toString().c_str());
583 throw BindingException("Decoded message was not of the appropriate type.");
586 SchemaValidators.validate(xmlObject.get());
588 // Skip policy step here, there's no security in the wrapper.
589 // policy.evaluate(*xmlObject.get(), &genericRequest);
591 return xmlObject.release();
594 void ADFSConsumer::implementProtocol(
595 const Application& application,
596 const HTTPRequest& httpRequest,
597 HTTPResponse& httpResponse,
598 SecurityPolicy& policy,
600 const XMLObject& xmlObject
603 // Implementation of ADFS profile.
604 m_log.debug("processing message against ADFS Passive Requester profile");
606 // With ADFS, all the security comes from the assertion, which is two levels down in the message.
608 const ElementProxy* response = dynamic_cast<const ElementProxy*>(&xmlObject);
609 if (!response || !response->hasChildren())
610 throw FatalProfileException("Incoming message was not of the proper type or contains no security token.");
612 const Assertion* token = nullptr;
613 for (vector<XMLObject*>::const_iterator xo = response->getUnknownXMLObjects().begin(); xo != response->getUnknownXMLObjects().end(); ++xo) {
614 // Look for the RequestedSecurityToken element.
615 if (XMLString::equals((*xo)->getElementQName().getLocalPart(), RequestedSecurityToken)) {
616 response = dynamic_cast<const ElementProxy*>(*xo);
617 if (!response || !response->hasChildren())
618 throw FatalProfileException("Token wrapper element did not contain a security token.");
619 token = dynamic_cast<const Assertion*>(response->getUnknownXMLObjects().front());
620 if (!token || !token->getSignature())
621 throw FatalProfileException("Incoming message did not contain a signed SAML assertion.");
626 // Extract message and issuer details from assertion.
627 extractMessageDetails(*token, m_protocol.get(), policy);
629 // Populate recipient as audience.
630 const EntityDescriptor* entity = policy.getIssuerMetadata() ? dynamic_cast<const EntityDescriptor*>(policy.getIssuerMetadata()->getParent()) : nullptr;
631 policy.getAudiences().push_back(application.getRelyingParty(entity)->getXMLString("entityID").second);
633 // Run the policy over the assertion. Handles replay, freshness, and
634 // signature verification, assuming the relevant rules are configured,
635 // along with condition enforcement.
636 policy.evaluate(*token, &httpRequest);
638 // If no security is in place now, we kick it.
639 if (!policy.isAuthenticated())
640 throw SecurityPolicyException("Unable to establish security of incoming assertion.");
642 saml1::NameIdentifier* saml1name=nullptr;
643 saml2::NameID* saml2name=nullptr;
644 const XMLCh* authMethod=nullptr;
645 const XMLCh* authInstant=nullptr;
646 time_t now = time(nullptr), sessionExp = 0;
647 const PropertySet* sessionProps = application.getPropertySet("Sessions");
649 const saml1::Assertion* saml1token = dynamic_cast<const saml1::Assertion*>(token);
651 // Now do profile validation to ensure we can use it for SSO.
652 if (!saml1token->getConditions() || !saml1token->getConditions()->getNotBefore() || !saml1token->getConditions()->getNotOnOrAfter())
653 throw FatalProfileException("Assertion did not contain time conditions.");
654 else if (saml1token->getAuthenticationStatements().empty())
655 throw FatalProfileException("Assertion did not contain an authentication statement.");
657 // authnskew allows rejection of SSO if AuthnInstant is too old.
658 pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
660 const saml1::AuthenticationStatement* ssoStatement=saml1token->getAuthenticationStatements().front();
661 if (ssoStatement->getAuthenticationInstant()) {
662 if (ssoStatement->getAuthenticationInstantEpoch() - XMLToolingConfig::getConfig().clock_skew_secs > now) {
663 throw FatalProfileException("The login time at your identity provider was future-dated.");
665 else if (authnskew.first && authnskew.second && ssoStatement->getAuthenticationInstantEpoch() <= now &&
666 (now - ssoStatement->getAuthenticationInstantEpoch() > authnskew.second)) {
667 throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the allowed limit.");
670 else if (authnskew.first && authnskew.second) {
671 throw FatalProfileException("Your identity provider did not supply a time of login, violating local policy.");
675 saml1::SubjectLocality* locality = ssoStatement->getSubjectLocality();
676 if (locality && locality->getIPAddress()) {
677 auto_ptr_char ip(locality->getIPAddress());
678 checkAddress(application, httpRequest, ip.get());
681 saml1name = ssoStatement->getSubject()->getNameIdentifier();
682 authMethod = ssoStatement->getAuthenticationMethod();
683 if (ssoStatement->getAuthenticationInstant())
684 authInstant = ssoStatement->getAuthenticationInstant()->getRawData();
686 // Session expiration.
687 pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
688 if (!lifetime.first || lifetime.second == 0)
689 lifetime.second = 28800;
690 sessionExp = now + lifetime.second;
693 const saml2::Assertion* saml2token = dynamic_cast<const saml2::Assertion*>(token);
695 throw FatalProfileException("Incoming message did not contain a recognized type of SAML assertion.");
697 // Now do profile validation to ensure we can use it for SSO.
698 if (!saml2token->getConditions() || !saml2token->getConditions()->getNotBefore() || !saml2token->getConditions()->getNotOnOrAfter())
699 throw FatalProfileException("Assertion did not contain time conditions.");
700 else if (saml2token->getAuthnStatements().empty())
701 throw FatalProfileException("Assertion did not contain an authentication statement.");
703 // authnskew allows rejection of SSO if AuthnInstant is too old.
704 pair<bool,unsigned int> authnskew = sessionProps ? sessionProps->getUnsignedInt("maxTimeSinceAuthn") : pair<bool,unsigned int>(false,0);
706 const saml2::AuthnStatement* ssoStatement=saml2token->getAuthnStatements().front();
707 if (authnskew.first && authnskew.second &&
708 ssoStatement->getAuthnInstant() && (now - ssoStatement->getAuthnInstantEpoch() > authnskew.second))
709 throw FatalProfileException("The gap between now and the time you logged into your identity provider exceeds the limit.");
712 saml2::SubjectLocality* locality = ssoStatement->getSubjectLocality();
713 if (locality && locality->getAddress()) {
714 auto_ptr_char ip(locality->getAddress());
715 checkAddress(application, httpRequest, ip.get());
718 saml2name = saml2token->getSubject() ? saml2token->getSubject()->getNameID() : nullptr;
719 if (ssoStatement->getAuthnContext() && ssoStatement->getAuthnContext()->getAuthnContextClassRef())
720 authMethod = ssoStatement->getAuthnContext()->getAuthnContextClassRef()->getReference();
721 if (ssoStatement->getAuthnInstant())
722 authInstant = ssoStatement->getAuthnInstant()->getRawData();
724 // Session expiration for SAML 2.0 is jointly IdP- and SP-driven.
725 sessionExp = ssoStatement->getSessionNotOnOrAfter() ? ssoStatement->getSessionNotOnOrAfterEpoch() : 0;
726 pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
727 if (!lifetime.first || lifetime.second == 0)
728 lifetime.second = 28800;
730 sessionExp = now + lifetime.second; // IdP says nothing, calulate based on SP.
732 sessionExp = min(sessionExp, now + lifetime.second); // Use the lowest.
735 m_log.debug("ADFS profile processing completed successfully");
737 // We've successfully "accepted" the SSO token.
738 // To complete processing, we need to extract and resolve attributes and then create the session.
740 // Normalize a SAML 1.x NameIdentifier...
741 auto_ptr<saml2::NameID> nameid(saml1name ? saml2::NameIDBuilder::buildNameID() : nullptr);
743 nameid->setName(saml1name->getName());
744 nameid->setFormat(saml1name->getFormat());
745 nameid->setNameQualifier(saml1name->getNameQualifier());
748 // The context will handle deleting attributes and new tokens.
749 vector<const Assertion*> tokens(1,token);
750 auto_ptr<ResolutionContext> ctx(
753 policy.getIssuerMetadata(),
756 (saml1name ? nameid.get() : saml2name),
764 // Copy over any new tokens, but leave them in the context for cleanup.
765 tokens.insert(tokens.end(), ctx->getResolvedAssertions().begin(), ctx->getResolvedAssertions().end());
768 application.getServiceProvider().getSessionCache()->insert(
775 (saml1name ? nameid.get() : saml2name),
781 ctx.get() ? &ctx->getResolvedAttributes() : nullptr
787 pair<bool,long> ADFSLogoutInitiator::run(SPRequest& request, bool isHandler) const
789 // Normally we'd do notifications and session clearage here, but ADFS logout
790 // is missing the needed request/response features, so we have to rely on
791 // the IdP half to notify us back about the logout and do the work there.
792 // Basically we have no way to tell in the Logout receiving handler whether
793 // we initiated the logout or not.
795 Session* session = nullptr;
797 session = request.getSession(false, true, false); // don't cache it and ignore all checks
799 return make_pair(false,0L);
801 // We only handle ADFS sessions.
802 if (!XMLString::equals(session->getProtocol(), WSFED_NS) || !session->getEntityID()) {
804 return make_pair(false,0L);
807 catch (exception& ex) {
808 m_log.error("error accessing current session: %s", ex.what());
809 return make_pair(false,0L);
812 string entityID(session->getEntityID());
815 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
816 // When out of process, we run natively.
817 return doRequest(request.getApplication(), request, request, session);
820 // When not out of process, we remote the request.
822 vector<string> headers(1,"Cookie");
823 DDF out,in = wrap(request,&headers);
824 DDFJanitor jin(in), jout(out);
825 out=request.getServiceProvider().getListenerService()->send(in);
826 return unwrap(request, out);
830 void ADFSLogoutInitiator::receive(DDF& in, ostream& out)
833 // Defer to base class for notifications
834 if (in["notify"].integer() == 1)
835 return LogoutHandler::receive(in, out);
838 const char* aid=in["application_id"].string();
839 const Application* app=aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
841 // Something's horribly wrong.
842 m_log.error("couldn't find application (%s) for logout", aid ? aid : "(missing)");
843 throw ConfigurationException("Unable to locate application for logout, deleted?");
846 // Unpack the request.
847 auto_ptr<HTTPRequest> req(getRequest(in));
849 // Set up a response shim.
851 DDFJanitor jout(ret);
852 auto_ptr<HTTPResponse> resp(getResponse(ret));
854 Session* session = nullptr;
856 session = app->getServiceProvider().getSessionCache()->find(*app, *req.get(), nullptr, nullptr);
858 catch (exception& ex) {
859 m_log.error("error accessing current session: %s", ex.what());
862 // With no session, we just skip the request and let it fall through to an empty struct return.
864 if (session->getEntityID()) {
865 // Since we're remoted, the result should either be a throw, which we pass on,
866 // a false/0 return, which we just return as an empty structure, or a response/redirect,
867 // which we capture in the facade and send back.
868 doRequest(*app, *req.get(), *resp.get(), session);
871 m_log.error("no issuing entityID found in session");
873 app->getServiceProvider().getSessionCache()->remove(*app, *req.get(), resp.get());
878 throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
882 pair<bool,long> ADFSLogoutInitiator::doRequest(
883 const Application& application, const HTTPRequest& httpRequest, HTTPResponse& httpResponse, Session* session
886 // Do back channel notification.
887 vector<string> sessions(1, session->getID());
888 if (!notifyBackChannel(application, httpRequest.getRequestURL(), sessions, false)) {
890 application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
891 return sendLogoutPage(application, httpRequest, httpResponse, "partial");
895 pair<bool,long> ret = make_pair(false,0L);
898 // With a session in hand, we can create a request message, if we can find a compatible endpoint.
899 MetadataProvider* m=application.getMetadataProvider();
900 Locker metadataLocker(m);
901 MetadataProviderCriteria mc(application, session->getEntityID(), &IDPSSODescriptor::ELEMENT_QNAME, m_binding.get());
902 pair<const EntityDescriptor*,const RoleDescriptor*> entity=m->getEntityDescriptor(mc);
904 throw MetadataException(
905 "Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", session->getEntityID())
908 else if (!entity.second) {
909 throw MetadataException(
910 "Unable to locate ADFS IdP role for identity provider ($entityID).", namedparams(1, "entityID", session->getEntityID())
914 const EndpointType* ep = EndpointManager<SingleLogoutService>(
915 dynamic_cast<const IDPSSODescriptor*>(entity.second)->getSingleLogoutServices()
916 ).getByBinding(m_binding.get());
918 throw MetadataException(
919 "Unable to locate ADFS single logout service for identity provider ($entityID).",
920 namedparams(1, "entityID", session->getEntityID())
924 const URLEncoder* urlenc = XMLToolingConfig::getConfig().getURLEncoder();
925 const char* returnloc = httpRequest.getParameter("return");
926 auto_ptr_char dest(ep->getLocation());
927 string req=string(dest.get()) + (strchr(dest.get(),'?') ? '&' : '?') + "wa=wsignout1.0";
929 req += "&wreply=" + urlenc->encode(returnloc);
930 ret.second = httpResponse.sendRedirect(req.c_str());
933 catch (exception& ex) {
934 m_log.error("error issuing ADFS logout request: %s", ex.what());
940 application.getServiceProvider().getSessionCache()->remove(application, httpRequest, &httpResponse);
945 throw ConfigurationException("Cannot perform logout using lite version of shibsp library.");
949 pair<bool,long> ADFSLogout::run(SPRequest& request, bool isHandler) const
951 // Defer to base class for front-channel loop first.
952 // This won't initiate the loop, only continue/end it.
953 pair<bool,long> ret = LogoutHandler::run(request, isHandler);
957 // wa parameter indicates the "action" to perform
958 bool returning = false;
959 const char* param = request.getParameter("wa");
961 if (!strcmp(param, "wsignin1.0"))
962 return m_login.run(request, isHandler);
963 else if (strcmp(param, "wsignout1.0") && strcmp(param, "wsignoutcleanup1.0"))
964 throw FatalProfileException("Unsupported WS-Federation action paremeter ($1).", params(1, param));
966 else if (strcmp(request.getMethod(),"GET") || !request.getParameter("notifying"))
967 throw FatalProfileException("Unsupported request to ADFS protocol endpoint.");
971 param = request.getParameter("wreply");
972 const Application& app = request.getApplication();
975 // Pass control to the first front channel notification point, if any.
976 map<string,string> parammap;
978 parammap["wreply"] = param;
979 pair<bool,long> result = notifyFrontChannel(app, request, request, ¶mmap);
984 // Best effort on back channel and to remove the user agent's session.
985 string session_id = app.getServiceProvider().getSessionCache()->active(app, request);
986 if (!session_id.empty()) {
987 vector<string> sessions(1,session_id);
988 notifyBackChannel(app, request.getRequestURL(), sessions, false);
990 app.getServiceProvider().getSessionCache()->remove(app, request, &request);
992 catch (exception& ex) {
993 m_log.error("error removing session (%s): %s", session_id.c_str(), ex.what());
998 return make_pair(true, request.sendRedirect(param));
999 return sendLogoutPage(app, request, request, "global");