#include "internal.h"
#include "exceptions.h"
+#include "binding/HTTPRequest.h"
#include "saml/binding/SAMLArtifact.h"
+#include "saml2/binding/SAML2Artifact.h"
+#include "saml2/binding/SAML2ArtifactDecoder.h"
#include "saml2/core/Protocols.h"
#include "saml2/metadata/Metadata.h"
#include "saml2/metadata/MetadataProvider.h"
-#include "saml2/binding/SAML2Artifact.h"
-#include "saml2/binding/SAML2ArtifactDecoder.h"
-#include "security/X509TrustEngine.h"
#include <log4cpp/Category.hh>
#include <xmltooling/util/NDC.h>
using namespace opensaml::saml2p;
using namespace opensaml::saml2;
using namespace opensaml;
-using namespace xmlsignature;
using namespace xmltooling;
using namespace log4cpp;
using namespace std;
XMLObject* SAML2ArtifactDecoder::decode(
string& relayState,
- const RoleDescriptor*& issuer,
- const XMLCh*& securityMech,
- const HTTPRequest& httpRequest,
- const MetadataProvider* metadataProvider,
- const QName* role,
- const opensaml::TrustEngine* trustEngine
+ const GenericRequest& genericRequest,
+ SecurityPolicy& policy
) const
{
#ifdef _DEBUG
Category& log = Category::getInstance(SAML_LOGCAT".MessageDecoder.SAML2Artifact");
log.debug("validating input");
- const char* SAMLart = httpRequest.getParameter("SAMLart");
+ const HTTPRequest* httpRequest=dynamic_cast<const HTTPRequest*>(&genericRequest);
+ if (!httpRequest) {
+ log.error("unable to cast request to HTTPRequest type");
+ return NULL;
+ }
+ const char* SAMLart = httpRequest->getParameter("SAMLart");
if (!SAMLart)
return NULL;
- const char* state = httpRequest.getParameter("RelayState");
+ const char* state = httpRequest->getParameter("RelayState");
if (state)
relayState = state;
- if (!m_artifactResolver || !metadataProvider)
+ if (!m_artifactResolver || !policy.getMetadataProvider() || !policy.getRole())
throw BindingException("Artifact binding requires ArtifactResolver and MetadataProvider implementations be supplied.");
// Import the artifact.
SAMLArtifact* artifact=NULL;
- ReplayCache* replayCache = XMLToolingConfig::getConfig().getReplayCache();
try {
log.debug("processing encoded artifact (%s)", SAMLart);
// Check replay.
+ ReplayCache* replayCache = XMLToolingConfig::getConfig().getReplayCache();
if (replayCache) {
if (!replayCache->check("SAML2Artifact", SAMLart, time(NULL) + (2*XMLToolingConfig::getConfig().clock_skew_secs))) {
log.error("replay detected of artifact (%s)", SAMLart);
delete artifact;
}
- issuer = NULL;
- securityMech = NULL;
log.debug("attempting to determine source of artifact...");
- const EntityDescriptor* provider=metadataProvider->getEntityDescriptor(artifact);
+ const EntityDescriptor* provider=policy.getMetadataProvider()->getEntityDescriptor(artifact);
if (!provider) {
log.error(
"metadata lookup failed, unable to determine issuer of artifact (0x%s)",
}
log.debug("attempting to find artifact issuing role...");
- issuer=provider->getRoleDescriptor(*role, samlconstants::SAML20P_NS);
- if (!issuer || !dynamic_cast<const SSODescriptorType*>(issuer)) {
- log.error("unable to find compatible SAML role (%s) in metadata", role->toString().c_str());
+ const RoleDescriptor* roledesc=provider->getRoleDescriptor(*(policy.getRole()), samlconstants::SAML20P_NS);
+ if (!roledesc || !dynamic_cast<const SSODescriptorType*>(roledesc)) {
+ log.error("unable to find compatible SAML role (%s) in metadata", policy.getRole()->toString().c_str());
BindingException ex("Unable to find compatible metadata role for artifact issuer.");
annotateException(&ex,provider); // throws it
}
try {
auto_ptr<ArtifactResponse> response(
- m_artifactResolver->resolve(
- securityMech,
- *(artifact2.get()),
- dynamic_cast<const SSODescriptorType&>(*issuer),
- dynamic_cast<const X509TrustEngine*>(trustEngine)
- )
+ m_artifactResolver->resolve(*(artifact2.get()), dynamic_cast<const SSODescriptorType&>(*roledesc), policy)
);
- // Check Issuer of outer message.
- if (!issuerMatches(response->getIssuer(), provider->getEntityID())) {
- log.error("issuer of ArtifactResponse did not match source of artifact");
- throw BindingException("Issuer of ArtifactResponse did not match source of artifact.");
- }
+ policy.evaluate(genericRequest, *(response.get()));
- // Extract payload and check that Issuer.
+ // Extract payload and check that message.
XMLObject* payload = response->getPayload();
- RequestAbstractType* req = NULL;
- StatusResponseType* res = dynamic_cast<StatusResponseType*>(payload);
- if (!res)
- req = dynamic_cast<RequestAbstractType*>(payload);
- if (!res && !req)
- throw BindingException("ArtifactResponse payload was not a recognized SAML 2.0 protocol message.");
-
- if (!issuerMatches(res ? res->getIssuer() : req->getIssuer(), provider->getEntityID())) {
- log.error("issuer of ArtifactResponse payload did not match source of artifact");
- throw BindingException("Issuer of ArtifactResponse payload did not match source of artifact.");
- }
-
- // Check payload freshness.
- time_t now = time(NULL);
- if ((res ? res->getIssueInstant() : req->getIssueInstant())->getEpoch() < now-(2*XMLToolingConfig::getConfig().clock_skew_secs))
- throw BindingException("Detected expired ArtifactResponse payload.");
+ policy.evaluate(genericRequest, *payload);
- // Check replay.
- if (replayCache) {
- auto_ptr_char mid(res ? res->getID() : req->getID());
- if (!replayCache->check("SAML2ArtifactPayload", mid.get(), now + (2*XMLToolingConfig::getConfig().clock_skew_secs))) {
- log.error("replay detected of ArtifactResponse payload message ID (%s)", mid.get());
- throw BindingException("Rejecting replayed ArtifactResponse payload ($1).", params(1,mid.get()));
- }
- }
-
- // Check signatures.
- if (trustEngine) {
- if (response->getSignature()) {
- if (!trustEngine->validate(*(response->getSignature()), *issuer, metadataProvider->getKeyResolver())) {
- log.error("unable to verify signature on ArtifactResponse message with supplied trust engine");
- throw BindingException("Message signature failed verification.");
- }
- else if (!securityMech) {
- securityMech = samlconstants::SAML20P_NS;
- }
- }
- Signature* sig = (res ? res->getSignature() : req->getSignature());
- if (sig) {
- if (!trustEngine->validate(*sig, *issuer, metadataProvider->getKeyResolver())) {
- log.error("unable to verify signature on ArtifactResponse payload with supplied trust engine");
- throw BindingException("Message signature failed verification.");
- }
- else if (!securityMech) {
- securityMech = samlconstants::SAML20P_NS;
- }
- }
- }
-
- if (!securityMech) {
- log.warn("unable to authenticate ArtifactResponse message or payload, leaving untrusted");
- }
-
// Return the payload only.
response.release();
payload->detach();
return payload;
}
catch (XMLToolingException& ex) {
- annotateException(&ex,issuer,false);
+ annotateException(&ex,roledesc,false);
throw;
}
}
-
-bool SAML2ArtifactDecoder::issuerMatches(const Issuer* messageIssuer, const XMLCh* expectedIssuer) const
-{
- if (messageIssuer && messageIssuer->getName()) {
- if (messageIssuer->getFormat() && !XMLString::equals(messageIssuer->getFormat(), NameIDType::ENTITY))
- return false;
- else if (!XMLString::equals(expectedIssuer, messageIssuer->getName()))
- return false;
- }
- return true;
-}
-
projects / shibboleth / cpp-opensaml.git / blobdiff