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.
22 * SAML2SessionInitiator.cpp
24 * SAML 2.0 AuthnRequest support.
28 #include "Application.h"
29 #include "exceptions.h"
30 #include "ServiceProvider.h"
31 #include "handler/AbstractHandler.h"
32 #include "handler/RemotedHandler.h"
33 #include "handler/SessionInitiator.h"
34 #include "util/SPConstants.h"
37 # include "metadata/MetadataProviderCriteria.h"
38 # include <boost/bind.hpp>
39 # include <boost/algorithm/string.hpp>
40 # include <boost/iterator/indirect_iterator.hpp>
41 # include <saml/SAMLConfig.h>
42 # include <saml/saml2/core/Protocols.h>
43 # include <saml/saml2/metadata/EndpointManager.h>
44 # include <saml/saml2/metadata/Metadata.h>
45 # include <saml/saml2/metadata/MetadataCredentialCriteria.h>
46 # include <saml/util/SAMLConstants.h>
47 using namespace opensaml::saml2;
48 using namespace opensaml::saml2p;
49 using namespace opensaml::saml2md;
51 # include "lite/SAMLConstants.h"
52 # include <xercesc/util/XMLUniDefs.hpp>
55 #include <boost/scoped_ptr.hpp>
57 using namespace shibsp;
58 using namespace opensaml;
59 using namespace xmltooling;
60 using namespace boost;
65 #if defined (_MSC_VER)
66 #pragma warning( push )
67 #pragma warning( disable : 4250 )
70 class SHIBSP_DLLLOCAL SAML2SessionInitiator : public SessionInitiator, public AbstractHandler, public RemotedHandler
73 SAML2SessionInitiator(const DOMElement* e, const char* appId);
74 virtual ~SAML2SessionInitiator() {}
76 void init(const char* location); // encapsulates actions that need to run either in the c'tor or setParent
78 void setParent(const PropertySet* parent);
79 void receive(DDF& in, ostream& out);
80 pair<bool,long> unwrap(SPRequest& request, DDF& out) const;
81 pair<bool,long> run(SPRequest& request, string& entityID, bool isHandler=true) const;
83 const XMLCh* getProtocolFamily() const {
84 return samlconstants::SAML20P_NS;
88 void generateMetadata(saml2md::SPSSODescriptor& role, const char* handlerURL) const {
89 doGenerateMetadata(role, handlerURL);
94 pair<bool,long> doRequest(
95 const Application& application,
96 const HTTPRequest* httpRequest,
97 HTTPResponse& httpResponse,
99 const XMLCh* acsIndex,
100 bool artifactInbound,
101 const char* acsLocation,
102 const XMLCh* acsBinding,
105 const char* authnContextClassRef,
106 const char* authnContextComparison,
107 const char* NameIDFormat,
108 const char* SPNameQualifier,
113 auto_ptr_char m_paosNS,m_ecpNS;
114 auto_ptr_XMLCh m_paosBinding;
116 vector<string> m_bindings;
117 map< string,boost::shared_ptr<MessageEncoder> > m_encoders;
118 scoped_ptr<MessageEncoder> m_ecp;
119 scoped_ptr<AuthnRequest> m_requestTemplate;
125 #if defined (_MSC_VER)
126 #pragma warning( pop )
129 SessionInitiator* SHIBSP_DLLLOCAL SAML2SessionInitiatorFactory(const pair<const DOMElement*,const char*>& p)
131 return new SAML2SessionInitiator(p.first, p.second);
136 SAML2SessionInitiator::SAML2SessionInitiator(const DOMElement* e, const char* appId)
137 : AbstractHandler(e, Category::getInstance(SHIBSP_LOGCAT".SessionInitiator.SAML2"), nullptr, &m_remapper), m_appId(appId),
138 m_paosNS(samlconstants::PAOS_NS), m_ecpNS(samlconstants::SAML20ECP_NS), m_paosBinding(samlconstants::SAML20_BINDING_PAOS)
144 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
145 // Check for a template AuthnRequest to build from.
146 DOMElement* child = XMLHelper::getFirstChildElement(e, samlconstants::SAML20P_NS, AuthnRequest::LOCAL_NAME);
148 m_requestTemplate.reset(dynamic_cast<AuthnRequest*>(AuthnRequestBuilder::buildOneFromElement(child)));
152 // If Location isn't set, defer initialization until the setParent call.
153 pair<bool,const char*> loc = getString("Location");
158 m_supportedOptions.insert("isPassive");
161 void SAML2SessionInitiator::setParent(const PropertySet* parent)
163 DOMPropertySet::setParent(parent);
164 pair<bool,const char*> loc = getString("Location");
168 void SAML2SessionInitiator::init(const char* location)
171 string address = m_appId + location + "::run::SAML2SI";
172 setAddress(address.c_str());
175 m_log.warn("no Location property in SAML2 SessionInitiator (or parent), can't register as remoted handler");
178 pair<bool,bool> flag = getBool("ECP");
180 m_ecp = flag.first && flag.second;
183 if (SPConfig::getConfig().isEnabled(SPConfig::OutOfProcess)) {
184 // If directed, build an ECP encoder.
185 if (flag.first && flag.second) {
188 SAMLConfig::getConfig().MessageEncoderManager.newPlugin(
189 samlconstants::SAML20_BINDING_PAOS, pair<const DOMElement*,const XMLCh*>(getElement(), nullptr)
193 catch (std::exception& ex) {
194 m_log.error("error building PAOS/ECP MessageEncoder: %s", ex.what());
199 pair<bool,const char*> outgoing = getString("outgoingBindings");
200 if (outgoing.first) {
201 dupBindings = outgoing.second;
204 // No override, so we'll install a default binding precedence.
205 dupBindings = string(samlconstants::SAML20_BINDING_HTTP_REDIRECT) + ' ' + samlconstants::SAML20_BINDING_HTTP_POST + ' ' +
206 samlconstants::SAML20_BINDING_HTTP_POST_SIMPLESIGN + ' ' + samlconstants::SAML20_BINDING_HTTP_ARTIFACT;
208 split(m_bindings, dupBindings, is_space(), algorithm::token_compress_on);
209 for (vector<string>::const_iterator b = m_bindings.begin(); b != m_bindings.end(); ++b) {
211 boost::shared_ptr<MessageEncoder> encoder(
212 SAMLConfig::getConfig().MessageEncoderManager.newPlugin(*b, pair<const DOMElement*,const XMLCh*>(getElement(),nullptr))
214 if (encoder->isUserAgentPresent() && XMLString::equals(getProtocolFamily(), encoder->getProtocolFamily())) {
215 m_encoders[*b] = encoder;
216 m_log.debug("supporting outgoing binding (%s)", b->c_str());
219 m_log.warn("skipping outgoing binding (%s), not a SAML 2.0 front-channel mechanism", b->c_str());
222 catch (std::exception& ex) {
223 m_log.error("error building MessageEncoder: %s", ex.what());
230 pair<bool,long> SAML2SessionInitiator::run(SPRequest& request, string& entityID, bool isHandler) const
232 // First check for ECP support, since that doesn't require an IdP to be known.
234 if (m_ecp && request.getHeader("Accept").find("application/vnd.paos+xml") != string::npos) {
235 string PAOS = request.getHeader("PAOS");
236 if (PAOS.find(m_paosNS.get()) != string::npos && PAOS.find(m_ecpNS.get()) != string::npos)
240 // We have to know the IdP to function unless this is ECP.
241 if ((!ECP && entityID.empty()) || !checkCompatibility(request, isHandler))
242 return make_pair(false, 0L);
245 pair<bool,const char*> prop;
246 const Handler* ACS = nullptr;
247 pair<bool,const char*> acClass, acComp, nidFormat, spQual;
248 bool isPassive=false,forceAuthn=false;
249 const Application& app = request.getApplication();
251 // ECP means the ACS will be by value no matter what.
252 pair<bool,bool> acsByIndex = ECP ? make_pair(true,false) : getBool("acsByIndex");
255 prop.second = request.getParameter("acsIndex");
256 if (prop.second && *prop.second) {
257 ACS = app.getAssertionConsumerServiceByIndex(atoi(prop.second));
259 request.log(SPRequest::SPWarn, "invalid acsIndex specified in request, using acsIndex property");
260 else if (ECP && !XMLString::equals(ACS->getString("Binding").second, samlconstants::SAML20_BINDING_PAOS)) {
261 request.log(SPRequest::SPWarn, "acsIndex in request referenced a non-PAOS ACS, using default ACS location");
266 prop = getString("target", request);
268 target = prop.second;
270 // Always need to recover target URL to compute handler below.
271 recoverRelayState(app, request, request, target, false);
272 app.limitRedirect(request, target.c_str());
274 pair<bool,bool> flag = getBool("isPassive", request);
275 isPassive = (flag.first && flag.second);
278 flag = getBool("forceAuthn", request);
279 forceAuthn = (flag.first && flag.second);
282 // Populate via parameter, map, or property.
283 acClass = getString("authnContextClassRef", request);
284 acComp = getString("authnContextComparison", request);
285 nidFormat = getString("NameIDFormat", request);
286 spQual = getString("SPNameQualifier", request);
289 // Check for a hardwired target value in the map or handler.
290 prop = getString("target", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
292 target = prop.second;
294 target = request.getRequestURL();
296 pair<bool,bool> flag = getBool("isPassive", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
297 isPassive = flag.first && flag.second;
299 flag = getBool("forceAuthn", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
300 forceAuthn = flag.first && flag.second;
303 // Populate via map or property.
304 acClass = getString("authnContextClassRef", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
305 acComp = getString("authnContextComparison", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
306 nidFormat = getString("NameIDFormat", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
307 spQual = getString("SPNameQualifier", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
311 m_log.debug("attempting to initiate session using SAML 2.0 Enhanced Client Profile");
313 m_log.debug("attempting to initiate session using SAML 2.0 with provider (%s)", entityID.c_str());
317 ACS = app.getAssertionConsumerServiceByProtocol(getProtocolFamily(), samlconstants::SAML20_BINDING_PAOS);
319 throw ConfigurationException("Unable to locate PAOS response endpoint.");
322 // Try fixed index property.
323 pair<bool,unsigned int> index = getUnsignedInt("acsIndex", request, HANDLER_PROPERTY_MAP|HANDLER_PROPERTY_FIXED);
325 ACS = app.getAssertionConsumerServiceByIndex(index.second);
329 // If we picked by index, validate the ACS for use with this protocol.
330 if (!ECP && (!ACS || !XMLString::equals(getProtocolFamily(), ACS->getProtocolFamily()))) {
332 request.log(SPRequest::SPWarn, "invalid acsIndex property, or non-SAML 2.0 ACS, using default SAML 2.0 ACS");
333 ACS = app.getAssertionConsumerServiceByProtocol(getProtocolFamily());
335 throw ConfigurationException("Unable to locate a SAML 2.0 ACS endpoint to use for response.");
338 // To invoke the request builder, the key requirement is to figure out how
339 // to express the ACS, by index or value, and if by value, where.
340 // We have to compute the handlerURL no matter what, because we may need to
341 // flip the index to an SSL-version.
342 string ACSloc = request.getHandlerURL(target.c_str());
344 SPConfig& conf = SPConfig::getConfig();
345 if (conf.isEnabled(SPConfig::OutOfProcess)) {
346 if (acsByIndex.first && acsByIndex.second) {
349 // We may already have RelayState set if we looped back here,
350 // but we've turned it back into a resource by this point, so if there's
351 // a target on the URL, reset to that value.
352 prop.second = request.getParameter("target");
353 if (prop.second && *prop.second)
354 target = prop.second;
357 // Determine index to use.
358 pair<bool,const XMLCh*> ix = pair<bool,const XMLCh*>(false,nullptr);
359 if (!strncmp(ACSloc.c_str(), "https://", 8)) {
360 ix = ACS->getXMLString("sslIndex", shibspconstants::ASCII_SHIB2SPCONFIG_NS);
362 ix = ACS->getXMLString("index");
365 ix = ACS->getXMLString("index");
369 app, &request, request, entityID.c_str(),
371 XMLString::equals(ACS->getString("Binding").second, samlconstants::SAML20_BINDING_HTTP_ARTIFACT),
373 isPassive, forceAuthn,
374 acClass.first ? acClass.second : nullptr,
375 acComp.first ? acComp.second : nullptr,
376 nidFormat.first ? nidFormat.second : nullptr,
377 spQual.first ? spQual.second : nullptr,
382 // Since we're not passing by index, we need to fully compute the return URL and binding.
383 // Compute the ACS URL. We add the ACS location to the base handlerURL.
384 prop = ACS->getString("Location");
386 ACSloc += prop.second;
389 // We may already have RelayState set if we looped back here,
390 // but we've turned it back into a resource by this point, so if there's
391 // a target on the URL, reset to that value.
392 prop.second = request.getParameter("target");
393 if (prop.second && *prop.second)
394 target = prop.second;
398 app, &request, request, entityID.c_str(),
400 XMLString::equals(ACS->getString("Binding").second, samlconstants::SAML20_BINDING_HTTP_ARTIFACT),
401 ACSloc.c_str(), ACS->getXMLString("Binding").second,
402 isPassive, forceAuthn,
403 acClass.first ? acClass.second : nullptr,
404 acComp.first ? acComp.second : nullptr,
405 nidFormat.first ? nidFormat.second : nullptr,
406 spQual.first ? spQual.second : nullptr,
412 DDF out,in = DDF(m_address.c_str()).structure();
413 DDFJanitor jin(in), jout(out);
414 in.addmember("application_id").string(app.getId());
415 if (!entityID.empty())
416 in.addmember("entity_id").string(entityID.c_str());
418 in.addmember("isPassive").integer(1);
420 in.addmember("forceAuthn").integer(1);
422 in.addmember("authnContextClassRef").string(acClass.second);
424 in.addmember("authnContextComparison").string(acComp.second);
426 in.addmember("NameIDFormat").string(nidFormat.second);
428 in.addmember("SPNameQualifier").string(spQual.second);
429 if (acsByIndex.first && acsByIndex.second) {
430 // Determine index to use.
431 pair<bool,const char*> ix = pair<bool,const char*>(false,nullptr);
432 if (!strncmp(ACSloc.c_str(), "https://", 8)) {
433 ix = ACS->getString("sslIndex", shibspconstants::ASCII_SHIB2SPCONFIG_NS);
435 ix = ACS->getString("index");
438 ix = ACS->getString("index");
440 in.addmember("acsIndex").string(ix.second);
441 if (XMLString::equals(ACS->getString("Binding").second, samlconstants::SAML20_BINDING_HTTP_ARTIFACT))
442 in.addmember("artifact").integer(1);
445 // Since we're not passing by index, we need to fully compute the return URL and binding.
446 // Compute the ACS URL. We add the ACS location to the base handlerURL.
447 prop = ACS->getString("Location");
449 ACSloc += prop.second;
450 in.addmember("acsLocation").string(ACSloc.c_str());
451 prop = ACS->getString("Binding");
452 in.addmember("acsBinding").string(prop.second);
453 if (XMLString::equals(prop.second, samlconstants::SAML20_BINDING_HTTP_ARTIFACT))
454 in.addmember("artifact").integer(1);
458 // We may already have RelayState set if we looped back here,
459 // but we've turned it back into a resource by this point, so if there's
460 // a target on the URL, reset to that value.
461 prop.second = request.getParameter("target");
462 if (prop.second && *prop.second)
463 target = prop.second;
466 in.addmember("RelayState").unsafe_string(target.c_str());
468 // Remote the processing.
469 out = request.getServiceProvider().getListenerService()->send(in);
470 return unwrap(request, out);
473 pair<bool,long> SAML2SessionInitiator::unwrap(SPRequest& request, DDF& out) const
475 // See if there's any response to send back.
476 if (!out["redirect"].isnull() || !out["response"].isnull()) {
477 // If so, we're responsible for handling the POST data, probably by dropping a cookie.
478 preservePostData(request.getApplication(), request, request, out["RelayState"].string());
480 return RemotedHandler::unwrap(request, out);
483 void SAML2SessionInitiator::receive(DDF& in, ostream& out)
486 const char* aid = in["application_id"].string();
487 const Application* app = aid ? SPConfig::getConfig().getServiceProvider()->getApplication(aid) : nullptr;
489 // Something's horribly wrong.
490 m_log.error("couldn't find application (%s) to generate AuthnRequest", aid ? aid : "(missing)");
491 throw ConfigurationException("Unable to locate application for new session, deleted?");
495 DDFJanitor jout(ret);
497 // Wrap the outgoing object with a Response facade.
498 scoped_ptr<HTTPResponse> http(getResponse(ret));
500 auto_ptr_XMLCh index(in["acsIndex"].string());
501 auto_ptr_XMLCh bind(in["acsBinding"].string());
503 string relayState(in["RelayState"].string() ? in["RelayState"].string() : "");
504 string postData(in["PostData"].string() ? in["PostData"].string() : "");
506 // Since we're remoted, the result should either be a throw, which we pass on,
507 // a false/0 return, which we just return as an empty structure, or a response/redirect,
508 // which we capture in the facade and send back.
510 *app, nullptr, *http, in["entity_id"].string(),
512 (in["artifact"].integer() != 0),
513 in["acsLocation"].string(), bind.get(),
514 in["isPassive"].integer()==1, in["forceAuthn"].integer()==1,
515 in["authnContextClassRef"].string(), in["authnContextComparison"].string(),
516 in["NameIDFormat"].string(), in["SPNameQualifier"].string(),
521 ret.addmember("RelayState").unsafe_string(relayState.c_str());
525 pair<bool,long> SAML2SessionInitiator::doRequest(
526 const Application& app,
527 const HTTPRequest* httpRequest,
528 HTTPResponse& httpResponse,
529 const char* entityID,
530 const XMLCh* acsIndex,
531 bool artifactInbound,
532 const char* acsLocation,
533 const XMLCh* acsBinding,
536 const char* authnContextClassRef,
537 const char* authnContextComparison,
538 const char* NameIDFormat,
539 const char* SPNameQualifier,
544 bool ECP = XMLString::equals(acsBinding, m_paosBinding.get());
546 pair<const EntityDescriptor*,const RoleDescriptor*> entity = pair<const EntityDescriptor*,const RoleDescriptor*>(nullptr,nullptr);
547 const IDPSSODescriptor* role = nullptr;
548 const EndpointType* ep = nullptr;
549 const MessageEncoder* encoder = nullptr;
551 // We won't need this for ECP, but safety dictates we get the lock here.
552 MetadataProvider* m = app.getMetadataProvider();
556 encoder = m_ecp.get();
558 m_log.error("MessageEncoder for PAOS binding not available");
559 return make_pair(false, 0L);
563 // Use metadata to locate the IdP's SSO service.
564 MetadataProviderCriteria mc(app, entityID, &IDPSSODescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
565 entity = m->getEntityDescriptor(mc);
567 m_log.warn("unable to locate metadata for provider (%s)", entityID);
568 throw MetadataException("Unable to locate metadata for identity provider ($entityID)", namedparams(1, "entityID", entityID));
570 else if (!entity.second) {
571 m_log.log(getParent() ? Priority::INFO : Priority::WARN, "unable to locate SAML 2.0 identity provider role for provider (%s)", entityID);
573 return make_pair(false, 0L);
574 throw MetadataException("Unable to locate SAML 2.0 identity provider role for provider ($entityID)", namedparams(1, "entityID", entityID));
576 else if (artifactInbound && !SPConfig::getConfig().getArtifactResolver()->isSupported(dynamic_cast<const SSODescriptorType&>(*entity.second))) {
577 m_log.warn("artifact binding selected for response, but identity provider lacks support");
579 return make_pair(false, 0L);
580 throw MetadataException("Identity provider ($entityID) lacks SAML 2.0 artifact support.", namedparams(1, "entityID", entityID));
583 // Loop over the supportable outgoing bindings.
584 role = dynamic_cast<const IDPSSODescriptor*>(entity.second);
585 for (vector<string>::const_iterator b = m_bindings.begin(); b != m_bindings.end(); ++b) {
586 auto_ptr_XMLCh wideb(b->c_str());
587 if (ep=EndpointManager<SingleSignOnService>(role->getSingleSignOnServices()).getByBinding(wideb.get())) {
588 map< string,boost::shared_ptr<MessageEncoder> >::const_iterator enc = m_encoders.find(*b);
589 if (enc != m_encoders.end())
590 encoder = enc->second.get();
594 if (!ep || !encoder) {
595 m_log.warn("unable to locate compatible SSO service for provider (%s)", entityID);
597 return make_pair(false, 0L);
598 throw MetadataException("Unable to locate compatible SSO service for provider ($entityID)", namedparams(1, "entityID", entityID));
602 preserveRelayState(app, httpResponse, relayState);
604 auto_ptr<AuthnRequest> req(m_requestTemplate ? m_requestTemplate->cloneAuthnRequest() : AuthnRequestBuilder::buildAuthnRequest());
605 if (m_requestTemplate) {
606 // Freshen TS and ID.
608 req->setIssueInstant(time(nullptr));
612 req->setDestination(ep->getLocation());
613 if (acsIndex && *acsIndex)
614 req->setAssertionConsumerServiceIndex(acsIndex);
616 auto_ptr_XMLCh wideloc(acsLocation);
617 req->setAssertionConsumerServiceURL(wideloc.get());
619 if (acsBinding && *acsBinding)
620 req->setProtocolBinding(acsBinding);
622 req->IsPassive(isPassive);
624 req->ForceAuthn(forceAuthn);
625 if (!req->getIssuer()) {
626 Issuer* issuer = IssuerBuilder::buildIssuer();
627 req->setIssuer(issuer);
628 issuer->setName(app.getRelyingParty(entity.first)->getXMLString("entityID").second);
630 if (!req->getNameIDPolicy()) {
631 NameIDPolicy* namepol = NameIDPolicyBuilder::buildNameIDPolicy();
632 req->setNameIDPolicy(namepol);
633 namepol->AllowCreate(true);
635 if (NameIDFormat && *NameIDFormat) {
636 auto_ptr_XMLCh wideform(NameIDFormat);
637 req->getNameIDPolicy()->setFormat(wideform.get());
639 if (SPNameQualifier && *SPNameQualifier) {
640 auto_ptr_XMLCh widequal(SPNameQualifier);
641 req->getNameIDPolicy()->setSPNameQualifier(widequal.get());
643 if (authnContextClassRef || authnContextComparison) {
644 RequestedAuthnContext* reqContext = req->getRequestedAuthnContext();
646 reqContext = RequestedAuthnContextBuilder::buildRequestedAuthnContext();
647 req->setRequestedAuthnContext(reqContext);
649 if (authnContextClassRef) {
650 reqContext->getAuthnContextDeclRefs().clear();
651 string dup(authnContextClassRef);
652 vector<string> contexts;
653 split(contexts, dup, is_space(), algorithm::token_compress_on);
654 for (vector<string>::const_iterator ac = contexts.begin(); ac != contexts.end(); ++ac) {
655 auto_ptr_XMLCh wideac(ac->c_str());
656 auto_ptr<AuthnContextClassRef> cref(AuthnContextClassRefBuilder::buildAuthnContextClassRef());
657 cref->setReference(wideac.get());
658 reqContext->getAuthnContextClassRefs().push_back(cref.get());
663 if (reqContext->getAuthnContextClassRefs().empty() && reqContext->getAuthnContextDeclRefs().empty()) {
664 req->setRequestedAuthnContext(nullptr);
666 else if (authnContextComparison) {
667 auto_ptr_XMLCh widecomp(authnContextComparison);
668 reqContext->setComparison(widecomp.get());
672 pair<bool,bool> requestDelegation = getBool("requestDelegation");
673 if (requestDelegation.first && requestDelegation.second) {
675 // Request delegation by including the IdP as an Audience.
676 // Also specify the expected session lifetime as the bound on the assertion lifetime.
677 const PropertySet* sessionProps = app.getPropertySet("Sessions");
678 pair<bool,unsigned int> lifetime = sessionProps ? sessionProps->getUnsignedInt("lifetime") : pair<bool,unsigned int>(true,28800);
679 if (!lifetime.first || lifetime.second == 0)
680 lifetime.second = 28800;
681 if (!req->getConditions())
682 req->setConditions(ConditionsBuilder::buildConditions());
683 req->getConditions()->setNotOnOrAfter(time(nullptr) + lifetime.second + 300);
684 AudienceRestriction* audrest = AudienceRestrictionBuilder::buildAudienceRestriction();
685 req->getConditions()->getConditions().push_back(audrest);
686 Audience* aud = AudienceBuilder::buildAudience();
687 audrest->getAudiences().push_back(aud);
688 aud->setAudienceURI(entity.first->getEntityID());
691 m_log.warn("requestDelegation set, but IdP unknown at request time");
695 if (ECP && entityID) {
696 auto_ptr_XMLCh wideid(entityID);
697 Scoping* scoping = req->getScoping();
699 scoping = ScopingBuilder::buildScoping();
700 req->setScoping(scoping);
702 IDPList* idplist = scoping->getIDPList();
704 idplist = IDPListBuilder::buildIDPList();
705 scoping->setIDPList(idplist);
707 VectorOf(IDPEntry) entries = idplist->getIDPEntrys();
708 static bool (*wideequals)(const XMLCh*,const XMLCh*) = &XMLString::equals;
709 if (find_if(entries, boost::bind(wideequals, boost::bind(&IDPEntry::getProviderID, _1), wideid.get())) == nullptr) {
710 IDPEntry* entry = IDPEntryBuilder::buildIDPEntry();
711 entry->setProviderID(wideid.get());
712 entries.push_back(entry);
716 XMLCh* genid = SAMLConfig::getConfig().generateIdentifier();
718 XMLString::release(&genid);
719 req->setIssueInstant(time(nullptr));
721 scoped_ptr<AuthnRequestEvent> ar_event(newAuthnRequestEvent(app, httpRequest));
723 auto_ptr_char b(ep ? ep->getBinding() : nullptr);
724 ar_event->m_binding = b.get() ? b.get() : samlconstants::SAML20_BINDING_SOAP;
725 auto_ptr_char prot(getProtocolFamily());
726 ar_event->m_protocol = prot.get();
727 ar_event->m_peer = entity.first;
728 ar_event->m_saml2Request = req.get();
729 app.getServiceProvider().getTransactionLog()->write(*ar_event);
732 auto_ptr_char dest(ep ? ep->getLocation() : nullptr);
735 // If the request object is available, we're responsible for the POST data.
736 preservePostData(app, *httpRequest, httpResponse, relayState.c_str());
739 long ret = sendMessage(
740 *encoder, req.get(), relayState.c_str(), dest.get(), role, app, httpResponse, role ? role->WantAuthnRequestsSigned() : false
742 req.release(); // freed by encoder
743 return make_pair(true, ret);
745 return make_pair(false, 0L);