/*
- * Copyright 2009 Internet2
+ * Copyright 2009-2010 Internet2
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
#include "ServiceProvider.h"
#include "SessionCache.h"
#include "attribute/NameIDAttribute.h"
+#include "attribute/SimpleAttribute.h"
#include "attribute/filtering/AttributeFilter.h"
#include "attribute/filtering/BasicFilteringContext.h"
#include "attribute/resolver/AttributeExtractor.h"
#include "binding/SOAPClient.h"
#include "metadata/MetadataProviderCriteria.h"
#include "security/SecurityPolicy.h"
+#include "security/SecurityPolicyProvider.h"
#include "util/SPConstants.h"
#include <saml/exceptions.h>
#include <xmltooling/XMLToolingConfig.h>
#include <xmltooling/security/TrustEngine.h>
#include <xmltooling/util/NDC.h>
+#include <xmltooling/util/URLEncoder.h>
#include <xmltooling/util/XMLHelper.h>
#include <xercesc/util/XMLUniDefs.hpp>
SimpleAggregationContext(const Application& application, const Session& session)
: m_app(application),
m_session(&session),
- m_nameid(NULL),
+ m_nameid(nullptr),
+ m_entityid(nullptr),
m_class(XMLString::transcode(session.getAuthnContextClassRef())),
m_decl(XMLString::transcode(session.getAuthnContextDeclRef())),
- m_inputTokens(NULL),
- m_inputAttributes(NULL) {
+ m_inputTokens(nullptr),
+ m_inputAttributes(nullptr) {
}
SimpleAggregationContext(
const Application& application,
- const NameID* nameid=NULL,
- const XMLCh* authncontext_class=NULL,
- const XMLCh* authncontext_decl=NULL,
- const vector<const opensaml::Assertion*>* tokens=NULL,
- const vector<shibsp::Attribute*>* attributes=NULL
+ const NameID* nameid=nullptr,
+ const XMLCh* entityID=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const opensaml::Assertion*>* tokens=nullptr,
+ const vector<shibsp::Attribute*>* attributes=nullptr
) : m_app(application),
- m_session(NULL),
+ m_session(nullptr),
m_nameid(nameid),
+ m_entityid(entityID ? XMLString::transcode(entityID) : nullptr),
m_class(const_cast<XMLCh*>(authncontext_class)),
m_decl(const_cast<XMLCh*>(authncontext_decl)),
m_inputTokens(tokens),
XMLString::release(&m_class);
XMLString::release(&m_decl);
}
+ XMLString::release(&m_entityid);
}
const Application& getApplication() const {
return m_app;
}
+ const char* getEntityID() const {
+ return m_session ? m_session->getEntityID() : m_entityid;
+ }
const NameID* getNameID() const {
return m_session ? m_session->getNameID() : m_nameid;
}
const Application& m_app;
const Session* m_session;
const NameID* m_nameid;
+ char* m_entityid;
XMLCh* m_class;
XMLCh* m_decl;
const vector<const opensaml::Assertion*>* m_inputTokens;
const Application& application,
const EntityDescriptor* issuer,
const XMLCh* protocol,
- const NameID* nameid=NULL,
- const XMLCh* authncontext_class=NULL,
- const XMLCh* authncontext_decl=NULL,
- const vector<const opensaml::Assertion*>* tokens=NULL,
- const vector<shibsp::Attribute*>* attributes=NULL
+ const NameID* nameid=nullptr,
+ const XMLCh* authncontext_class=nullptr,
+ const XMLCh* authncontext_decl=nullptr,
+ const vector<const opensaml::Assertion*>* tokens=nullptr,
+ const vector<shibsp::Attribute*>* attributes=nullptr
) const {
- return new SimpleAggregationContext(application,nameid,authncontext_class,authncontext_decl,tokens,attributes);
+ return new SimpleAggregationContext(
+ application, nameid, (issuer ? issuer->getEntityID() : nullptr), authncontext_class, authncontext_decl, tokens, attributes
+ );
}
ResolutionContext* createResolutionContext(const Application& application, const Session& session) const {
}
private:
- bool doQuery(SimpleAggregationContext& ctx, const char* entityID, const NameID* name) const;
+ void doQuery(SimpleAggregationContext& ctx, const char* entityID, const NameID* name) const;
Category& m_log;
string m_policyId;
TrustEngine* m_trust;
vector<saml2::Attribute*> m_designators;
vector< pair<string,bool> > m_sources;
+ vector<string> m_exceptionId;
};
AttributeResolver* SHIBSP_DLLLOCAL SimpleAggregationResolverFactory(const DOMElement* const & e)
static const XMLCh attributeId[] = UNICODE_LITERAL_11(a,t,t,r,i,b,u,t,e,I,d);
static const XMLCh Entity[] = UNICODE_LITERAL_6(E,n,t,i,t,y);
static const XMLCh EntityReference[] = UNICODE_LITERAL_15(E,n,t,i,t,y,R,e,f,e,r,e,n,c,e);
+ static const XMLCh exceptionId[] = UNICODE_LITERAL_11(e,x,c,e,p,t,i,o,n,I,d);
static const XMLCh format[] = UNICODE_LITERAL_6(f,o,r,m,a,t);
static const XMLCh _MetadataProvider[] = UNICODE_LITERAL_16(M,e,t,a,d,a,t,a,P,r,o,v,i,d,e,r);
static const XMLCh policyId[] = UNICODE_LITERAL_8(p,o,l,i,c,y,I,d);
};
SimpleAggregationResolver::SimpleAggregationResolver(const DOMElement* e)
- : m_log(Category::getInstance(SHIBSP_LOGCAT".AttributeResolver.SimpleAggregation")), m_subjectMatch(false), m_metadata(NULL), m_trust(NULL)
+ : m_log(Category::getInstance(SHIBSP_LOGCAT".AttributeResolver.SimpleAggregation")),
+ m_policyId(XMLHelper::getAttrString(e, nullptr, policyId)),
+ m_subjectMatch(XMLHelper::getAttrBool(e, false, subjectMatch)),
+ m_metadata(nullptr), m_trust(nullptr)
{
#ifdef _DEBUG
xmltooling::NDC ndc("SimpleAggregationResolver");
#endif
- const XMLCh* pid = e ? e->getAttributeNS(NULL, policyId) : NULL;
- if (pid && *pid) {
- auto_ptr_char temp(pid);
- m_policyId = temp.get();
- }
-
- pid = e ? e->getAttributeNS(NULL, subjectMatch) : NULL;
- if (pid && (*pid == chLatin_t || *pid == chDigit_1))
- m_subjectMatch = true;
-
- pid = e ? e->getAttributeNS(NULL, attributeId) : NULL;
- if (pid && *pid) {
- char* dup = XMLString::transcode(pid);
+ const XMLCh* aid = e ? e->getAttributeNS(nullptr, attributeId) : nullptr;
+ if (aid && *aid) {
+ char* dup = XMLString::transcode(aid);
char* pos;
char* start = dup;
while (start && *start) {
if (pos)
*pos=0;
m_attributeIds.push_back(start);
- start = pos ? pos+1 : NULL;
+ start = pos ? pos+1 : nullptr;
}
XMLString::release(&dup);
- pid = e->getAttributeNS(NULL, format);
- if (pid && *pid)
- m_format = pid;
+ aid = e->getAttributeNS(nullptr, format);
+ if (aid && *aid)
+ m_format = aid;
}
+ string exid(XMLHelper::getAttrString(e, nullptr, exceptionId));
+ if (!exid.empty())
+ m_exceptionId.push_back(exid);
+
DOMElement* child = XMLHelper::getFirstChildElement(e, _MetadataProvider);
if (child) {
- auto_ptr_char type(child->getAttributeNS(NULL, _type));
- if (!type.get() || !*type.get())
+ string t(XMLHelper::getAttrString(child, nullptr, _type));
+ if (t.empty())
throw ConfigurationException("MetadataProvider element missing type attribute.");
- m_log.info("building MetadataProvider of type %s...", type.get());
- auto_ptr<MetadataProvider> mp(SAMLConfig::getConfig().MetadataProviderManager.newPlugin(type.get(), child));
+ m_log.info("building MetadataProvider of type %s...", t.c_str());
+ auto_ptr<MetadataProvider> mp(SAMLConfig::getConfig().MetadataProviderManager.newPlugin(t.c_str(), child));
mp->init();
m_metadata = mp.release();
}
child = XMLHelper::getFirstChildElement(e, _TrustEngine);
if (child) {
try {
- auto_ptr_char type(child->getAttributeNS(NULL, _type));
- if (!type.get() || !*type.get())
+ string t(XMLHelper::getAttrString(child, nullptr, _type));
+ if (t.empty())
throw ConfigurationException("TrustEngine element missing type attribute.");
- m_log.info("building TrustEngine of type %s...", type.get());
- m_trust = XMLToolingConfig::getConfig().TrustEngineManager.newPlugin(type.get(), child);
+ m_log.info("building TrustEngine of type %s...", t.c_str());
+ m_trust = XMLToolingConfig::getConfig().TrustEngineManager.newPlugin(t.c_str(), child);
}
catch (exception&) {
delete m_metadata;
child = XMLHelper::getFirstChildElement(e);
while (child) {
if (child->hasChildNodes() && XMLString::equals(child->getLocalName(), Entity)) {
- pid = child->getFirstChild()->getNodeValue();
- if (pid && *pid) {
- auto_ptr_char tpid(pid);
- m_sources.push_back(pair<string,bool>(tpid.get(),true));
+ aid = child->getFirstChild()->getNodeValue();
+ if (aid && *aid) {
+ auto_ptr_char taid(aid);
+ m_sources.push_back(pair<string,bool>(taid.get(),true));
}
}
else if (child->hasChildNodes() && XMLString::equals(child->getLocalName(), EntityReference)) {
- pid = child->getFirstChild()->getNodeValue();
- if (pid && *pid) {
- auto_ptr_char tpid(pid);
- m_sources.push_back(pair<string,bool>(tpid.get(),false));
+ aid = child->getFirstChild()->getNodeValue();
+ if (aid && *aid) {
+ auto_ptr_char taid(aid);
+ m_sources.push_back(pair<string,bool>(taid.get(),false));
}
}
else if (XMLHelper::isNodeNamed(child, samlconstants::SAML20_NS, saml2::Attribute::LOCAL_NAME)) {
}
}
-bool SimpleAggregationResolver::doQuery(SimpleAggregationContext& ctx, const char* entityID, const NameID* name) const
+void SimpleAggregationResolver::doQuery(SimpleAggregationContext& ctx, const char* entityID, const NameID* name) const
{
#ifdef _DEBUG
xmltooling::NDC ndc("doQuery");
const Application& application = ctx.getApplication();
MetadataProviderCriteria mc(application, entityID, &AttributeAuthorityDescriptor::ELEMENT_QNAME, samlconstants::SAML20P_NS);
Locker mlocker(m_metadata);
- const AttributeAuthorityDescriptor* AA=NULL;
+ const AttributeAuthorityDescriptor* AA=nullptr;
pair<const EntityDescriptor*,const RoleDescriptor*> mdresult =
(m_metadata ? m_metadata : application.getMetadataProvider())->getEntityDescriptor(mc);
if (!mdresult.first) {
m_log.warn("unable to locate metadata for provider (%s)", entityID);
- return false;
+ return;
}
else if (!(AA=dynamic_cast<const AttributeAuthorityDescriptor*>(mdresult.second))) {
m_log.warn("no SAML 2 AttributeAuthority role found in metadata for (%s)", entityID);
- return false;
+ return;
}
const PropertySet* relyingParty = application.getRelyingParty(mdresult.first);
+ pair<bool,bool> signedAssertions = relyingParty->getBool("requireSignedAssertions");
+ pair<bool,const char*> encryption = relyingParty->getString("encryption");
// Locate policy key.
const char* policyId = m_policyId.empty() ? application.getString("policyId").second : m_policyId.c_str();
- // Access policy properties.
- const PropertySet* settings = application.getServiceProvider().getPolicySettings(policyId);
- pair<bool,bool> validate = settings->getBool("validate");
-
- pair<bool,bool> signedAssertions = relyingParty->getBool("requireSignedAssertions");
- pair<bool,const char*> encryption = relyingParty->getString("encryption");
-
- shibsp::SecurityPolicy policy(application, NULL, validate.first && validate.second, policyId);
+ // Set up policy and SOAP client.
+ auto_ptr<SecurityPolicy> policy(
+ application.getServiceProvider().getSecurityPolicyProvider()->createSecurityPolicy(application, nullptr, policyId)
+ );
if (m_metadata)
- policy.setMetadataProvider(m_metadata);
+ policy->setMetadataProvider(m_metadata);
if (m_trust)
- policy.setTrustEngine(m_trust);
- policy.getAudiences().push_back(relyingParty->getXMLString("entityID").second);
+ policy->setTrustEngine(m_trust);
+ policy->getAudiences().push_back(relyingParty->getXMLString("entityID").second);
MetadataCredentialCriteria mcc(*AA);
- shibsp::SOAPClient soaper(policy);
+ shibsp::SOAPClient soaper(*policy.get());
auto_ptr_XMLCh binding(samlconstants::SAML20_BINDING_SOAP);
- saml2p::StatusResponseType* srt=NULL;
+ saml2p::StatusResponseType* srt=nullptr;
const vector<AttributeService*>& endpoints=AA->getAttributeServices();
for (vector<AttributeService*>::const_iterator ep=endpoints.begin(); !srt && ep!=endpoints.end(); ++ep) {
if (!XMLString::equals((*ep)->getBinding(),binding.get()) || !(*ep)->getLocation())
auto_ptr<EncryptedID> encrypted(EncryptedIDBuilder::buildEncryptedID());
encrypted->encrypt(
*name,
- *(policy.getMetadataProvider()),
+ *(policy->getMetadataProvider()),
mcc,
false,
relyingParty->getXMLString("encryptionAlg").second
if (!srt) {
m_log.error("unable to obtain a SAML response from attribute authority (%s)", entityID);
- return false;
+ throw BindingException("Unable to obtain a SAML response from attribute authority.");
}
auto_ptr<saml2p::StatusResponseType> wrapper(srt);
saml2p::Response* response = dynamic_cast<saml2p::Response*>(srt);
if (!response) {
m_log.error("message was not a samlp:Response");
- return true;
+ throw FatalProfileException("Attribute authority returned an unrecognized message.");
}
else if (!response->getStatus() || !response->getStatus()->getStatusCode() ||
!XMLString::equals(response->getStatus()->getStatusCode()->getValue(), saml2p::StatusCode::SUCCESS)) {
m_log.error("attribute authority (%s) returned a SAML error", entityID);
- return true;
+ throw FatalProfileException("Attribute authority returned a SAML error.");
}
- saml2::Assertion* newtoken = NULL;
+ saml2::Assertion* newtoken = nullptr;
const vector<saml2::Assertion*>& assertions = const_cast<const saml2p::Response*>(response)->getAssertions();
if (assertions.empty()) {
// Check for encryption.
const_cast<const saml2p::Response*>(response)->getEncryptedAssertions();
if (encassertions.empty()) {
m_log.warn("response from attribute authority was empty");
- return true;
+ return;
}
else if (encassertions.size() > 1) {
m_log.warn("simple resolver only supports one assertion in the query response");
CredentialResolver* cr=application.getCredentialResolver();
if (!cr) {
m_log.warn("found encrypted assertion, but no CredentialResolver was available");
- return true;
+ throw FatalProfileException("Assertion was encrypted, but no decryption credentials are available.");
}
// Attempt to decrypt it.
tokenwrapper.release();
if (m_log.isDebugEnabled())
m_log.debugStream() << "decrypted Assertion: " << *newtoken << logging::eol;
+ // Free the Response now, so we know this is a stand-alone token later.
+ delete wrapper.release();
}
}
catch (exception& ex) {
m_log.error(ex.what());
- }
- if (newtoken) {
- // Free the Response now, so we know this is a stand-alone token later.
- delete wrapper.release();
- }
- else {
- // Nothing decrypted, should already be logged.
- return true;
+ throw;
}
}
else {
m_log.error("assertion unsigned, rejecting it based on signedAssertions policy");
if (!wrapper.get())
delete newtoken;
- return true;
+ throw SecurityPolicyException("Rejected unsigned assertion based on local policy.");
}
try {
// We're going to insist that the assertion issuer is the same as the peer.
// Reset the policy's message bits and extract them from the assertion.
- policy.reset(true);
- policy.setMessageID(newtoken->getID());
- policy.setIssueInstant(newtoken->getIssueInstantEpoch());
- policy.setIssuer(newtoken->getIssuer());
- policy.evaluate(*newtoken);
+ policy->reset(true);
+ policy->setMessageID(newtoken->getID());
+ policy->setIssueInstant(newtoken->getIssueInstantEpoch());
+ policy->setIssuer(newtoken->getIssuer());
+ policy->evaluate(*newtoken);
// Now we can check the security status of the policy.
- if (!policy.isAuthenticated())
+ if (!policy->isAuthenticated())
throw SecurityPolicyException("Security of SAML 2.0 query result not established.");
if (m_subjectMatch) {
// Check for subject match.
bool ownedName = false;
- NameID* respName = newtoken->getSubject() ? newtoken->getSubject()->getNameID() : NULL;
+ NameID* respName = newtoken->getSubject() ? newtoken->getSubject()->getNameID() : nullptr;
if (!respName) {
// Check for encryption.
- EncryptedID* encname = newtoken->getSubject() ? newtoken->getSubject()->getEncryptedID() : NULL;
+ EncryptedID* encname = newtoken->getSubject() ? newtoken->getSubject()->getEncryptedID() : nullptr;
if (encname) {
CredentialResolver* cr=application.getCredentialResolver();
if (!cr)
}
}
- auto_ptr<NameID> nameIDwrapper(ownedName ? respName : NULL);
+ auto_ptr<NameID> nameIDwrapper(ownedName ? respName : nullptr);
if (!respName || !XMLString::equals(respName->getName(), name->getName()) ||
!XMLString::equals(respName->getFormat(), name->getFormat()) ||
m_log.warn("ignoring Assertion without NameID in Subject");
if (!wrapper.get())
delete newtoken;
- return true;
+ return;
}
}
}
m_log.error("assertion failed policy validation: %s", ex.what());
if (!wrapper.get())
delete newtoken;
- return true;
+ throw;
}
if (wrapper.get()) {
m_log.error("caught exception extracting/filtering attributes from query result: %s", ex.what());
for_each(ctx.getResolvedAttributes().begin(), ctx.getResolvedAttributes().end(), xmltooling::cleanup<shibsp::Attribute>());
ctx.getResolvedAttributes().clear();
+ throw;
}
-
- return true;
}
void SimpleAggregationResolver::resolveAttributes(ResolutionContext& ctx) const
SimpleAggregationContext& qctx = dynamic_cast<SimpleAggregationContext&>(ctx);
// First we manufacture the appropriate NameID to use.
- NameID* n=NULL;
+ NameID* n=nullptr;
for (vector<string>::const_iterator a = m_attributeIds.begin(); !n && a != m_attributeIds.end(); ++a) {
- const Attribute* attr=NULL;
+ const Attribute* attr=nullptr;
if (qctx.getSession()) {
// Input attributes should be available via multimap.
pair<multimap<string,const Attribute*>::const_iterator, multimap<string,const Attribute*>::const_iterator> range =
set<string> history;
+ // Put initial IdP into history to prevent extra query.
+ if (qctx.getEntityID())
+ history.insert(qctx.getEntityID());
+
+ // Prepare to track exceptions.
+ SimpleAttribute* exceptAttr = nullptr;
+ if (!m_exceptionId.empty()) {
+ exceptAttr = new SimpleAttribute(m_exceptionId);
+ }
+ auto_ptr<Attribute> exceptWrapper(exceptAttr);
+
// We have a master loop over all the possible sources of material.
for (vector< pair<string,bool> >::const_iterator source = m_sources.begin(); source != m_sources.end(); ++source) {
if (source->second) {
// A literal entityID to query.
if (history.count(source->first) == 0) {
m_log.debug("issuing SAML query to (%s)", source->first.c_str());
- doQuery(qctx, source->first.c_str(), n ? n : qctx.getNameID());
+ try {
+ doQuery(qctx, source->first.c_str(), n ? n : qctx.getNameID());
+ }
+ catch (exception& ex) {
+ if (exceptAttr)
+ exceptAttr->getValues().push_back(XMLToolingConfig::getConfig().getURLEncoder()->encode(ex.what()));
+ }
history.insert(source->first);
}
else {
for (vector<string>::const_iterator link = links.begin(); link != links.end(); ++link) {
if (history.count(*link) == 0) {
m_log.debug("issuing SAML query to (%s)", link->c_str());
- doQuery(qctx, link->c_str(), n ? n : qctx.getNameID());
+ try {
+ doQuery(qctx, link->c_str(), n ? n : qctx.getNameID());
+ }
+ catch (exception& ex) {
+ if (exceptAttr)
+ exceptAttr->getValues().push_back(XMLToolingConfig::getConfig().getURLEncoder()->encode(ex.what()));
+ }
history.insert(*link);
}
else {
for (vector<string>::const_iterator link = links.begin(); link != links.end(); ++link) {
if (history.count(*link) == 0) {
m_log.debug("issuing SAML query to (%s)", link->c_str());
- doQuery(qctx, link->c_str(), n ? n : qctx.getNameID());
+ try {
+ doQuery(qctx, link->c_str(), n ? n : qctx.getNameID());
+ }
+ catch (exception& ex) {
+ if (exceptAttr)
+ exceptAttr->getValues().push_back(XMLToolingConfig::getConfig().getURLEncoder()->encode(ex.what()));
+ }
history.insert(*link);
}
else {
}
}
}
+
+ if (exceptAttr) {
+ qctx.getResolvedAttributes().push_back(exceptWrapper.release());
+ }
}