- const SignableObject* signable = dynamic_cast<const SignableObject*>(&message);
- if (!signable || !signable->getSignature()) {
- log.debug("ignoring unsigned or unrecognized message");
- return ret;
- }
-
- log.debug("validating signature profile");
- try {
- SignatureProfileValidator sigval;
- sigval.validate(signable->getSignature());
- }
- catch (ValidationException& ve) {
- log.error("signature profile failed to validate: %s", ve.what());
- return ret;
- }
-
-
- log.debug("extracting issuer from message");
- pair<saml2::Issuer*,const XMLCh*> issuerInfo = getIssuerAndProtocol(message);
-
- auto_ptr<saml2::Issuer> issuer(issuerInfo.first);
- if (!issuerInfo.first || !issuerInfo.second ||
- (issuer->getFormat() && !XMLString::equals(issuer->getFormat(), saml2::NameIDType::ENTITY))) {
- log.warn("issuer identity not estabished, or was not an entityID");
- return ret;
- }
-
- log.debug("searching metadata for message issuer...");
- const EntityDescriptor* entity = metadataProvider->getEntityDescriptor(issuer->getName());
- if (!entity) {
- auto_ptr_char temp(issuer->getName());
- log.warn("no metadata found, can't establish identity of issuer (%s)", temp.get());
- return ret;
- }
-
- log.debug("matched message issuer against metadata, searching for applicable role...");
- const RoleDescriptor* roledesc=entity->getRoleDescriptor(*role, issuerInfo.second);
- if (!roledesc) {
- log.warn("unable to find compatible role (%s) in metadata", role->toString().c_str());
- return ret;
- }
-
- if (!trustEngine->validate(*(signable->getSignature()), *roledesc, metadataProvider->getKeyResolver())) {
- log.error("unable to verify signature on message with supplied trust engine");
- return ret;
- }
-
- if (log.isDebugEnabled()) {
- auto_ptr_char iname(entity->getEntityID());
- log.debug("message from (%s), signature verified", iname.get());
- }
-
- ret.first = issuer.release();
- ret.second = roledesc;