Examples with SAMLProtocolContext org.opensaml.saml.common.messaging.context.SAMLProtocolContext used on opensource projects

Example 1 with SAMLProtocolContext

use of org.opensaml.saml.common.messaging.context.SAMLProtocolContext in project cas by apereo.

the class SamlObjectSignatureValidator method validateSignatureOnAuthenticationRequest.

private void validateSignatureOnAuthenticationRequest(final RequestAbstractType profileRequest, final HttpServletRequest request, final MessageContext context, final RoleDescriptorResolver roleDescriptorResolver) throws Exception {
    final SAML2HTTPRedirectDeflateSignatureSecurityHandler handler = new SAML2HTTPRedirectDeflateSignatureSecurityHandler();
    final SAMLPeerEntityContext peer = context.getSubcontext(SAMLPeerEntityContext.class, true);
    peer.setEntityId(SamlIdPUtils.getIssuerFromSamlRequest(profileRequest));
    LOGGER.debug("Validating request signature for [{}] via [{}]...", peer.getEntityId(), handler.getClass().getSimpleName());
    LOGGER.debug("Resolving role descriptor for [{}]", peer.getEntityId());
    final RoleDescriptor roleDescriptor = roleDescriptorResolver.resolveSingle(new CriteriaSet(new EntityIdCriterion(peer.getEntityId()), new EntityRoleCriterion(SPSSODescriptor.DEFAULT_ELEMENT_NAME)));
    peer.setRole(roleDescriptor.getElementQName());
    final SAMLProtocolContext protocol = context.getSubcontext(SAMLProtocolContext.class, true);
    protocol.setProtocol(SAMLConstants.SAML20P_NS);
    LOGGER.debug("Building security parameters context for signature validation of [{}]", peer.getEntityId());
    final SecurityParametersContext secCtx = context.getSubcontext(SecurityParametersContext.class, true);
    final SignatureValidationParameters validationParams = new SignatureValidationParameters();
    if (overrideBlackListedSignatureAlgorithms != null && !overrideBlackListedSignatureAlgorithms.isEmpty()) {
        validationParams.setBlacklistedAlgorithms(this.overrideBlackListedSignatureAlgorithms);
        LOGGER.debug("Validation override blacklisted algorithms are [{}]", this.overrideWhiteListedAlgorithms);
    }
    if (overrideWhiteListedAlgorithms != null && !overrideWhiteListedAlgorithms.isEmpty()) {
        validationParams.setWhitelistedAlgorithms(this.overrideWhiteListedAlgorithms);
        LOGGER.debug("Validation override whitelisted algorithms are [{}]", this.overrideWhiteListedAlgorithms);
    }
    LOGGER.debug("Resolving signing credentials for [{}]", peer.getEntityId());
    final Set<Credential> credentials = getSigningCredential(roleDescriptorResolver, profileRequest);
    if (credentials == null || credentials.isEmpty()) {
        throw new SamlException("Signing credentials for validation could not be resolved");
    }
    boolean foundValidCredential = false;
    final Iterator<Credential> it = credentials.iterator();
    while (!foundValidCredential && it.hasNext()) {
        try {
            final Credential c = it.next();
            final CredentialResolver resolver = new StaticCredentialResolver(c);
            final KeyInfoCredentialResolver keyResolver = new StaticKeyInfoCredentialResolver(c);
            final SignatureTrustEngine trustEngine = new ExplicitKeySignatureTrustEngine(resolver, keyResolver);
            validationParams.setSignatureTrustEngine(trustEngine);
            secCtx.setSignatureValidationParameters(validationParams);
            handler.setHttpServletRequest(request);
            LOGGER.debug("Initializing [{}] to execute signature validation for [{}]", handler.getClass().getSimpleName(), peer.getEntityId());
            handler.initialize();
            LOGGER.debug("Invoking [{}] to handle signature validation for [{}]", handler.getClass().getSimpleName(), peer.getEntityId());
            handler.invoke(context);
            LOGGER.debug("Successfully validated request signature for [{}].", profileRequest.getIssuer());
            foundValidCredential = true;
        } catch (final Exception e) {
            LOGGER.debug(e.getMessage(), e);
        } finally {
            handler.destroy();
        }
    }
    if (!foundValidCredential) {
        LOGGER.error("No valid credentials could be found to verify the signature for [{}]", profileRequest.getIssuer());
        throw new SamlException("No valid signing credentials for validation could not be resolved");
    }
}