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Example 1 with SignatureTrustEngine

use of org.opensaml.xmlsec.signature.support.SignatureTrustEngine in project cas by apereo.

the class WsFederationHelper method validateSignature.

/**
     * validateSignature checks to see if the signature on an assertion is valid.
     *
     * @param assertion                 a provided assertion
     * @param wsFederationConfiguration WS-Fed configuration provided.
     * @return true if the assertion's signature is valid, otherwise false
     */
public boolean validateSignature(final Assertion assertion, final WsFederationConfiguration wsFederationConfiguration) {
    if (assertion == null) {
        LOGGER.warn("No assertion was provided to validate signatures");
        return false;
    }
    boolean valid = false;
    if (assertion.getSignature() != null) {
        final SignaturePrevalidator validator = new SAMLSignatureProfileValidator();
        try {
            validator.validate(assertion.getSignature());
            final CriteriaSet criteriaSet = new CriteriaSet();
            criteriaSet.add(new UsageCriterion(UsageType.SIGNING));
            criteriaSet.add(new EntityRoleCriterion(IDPSSODescriptor.DEFAULT_ELEMENT_NAME));
            criteriaSet.add(new ProtocolCriterion(SAMLConstants.SAML20P_NS));
            criteriaSet.add(new EntityIdCriterion(wsFederationConfiguration.getIdentityProviderIdentifier()));
            try {
                final SignatureTrustEngine engine = buildSignatureTrustEngine(wsFederationConfiguration);
                valid = engine.validate(assertion.getSignature(), criteriaSet);
            } catch (final SecurityException e) {
                LOGGER.warn(e.getMessage(), e);
            } finally {
                if (!valid) {
                    LOGGER.warn("Signature doesn't match any signing credential.");
                }
            }
        } catch (final SignatureException e) {
            LOGGER.warn("Failed to validate assertion signature", e);
        }
    }
    SamlUtils.logSamlObject(this.configBean, assertion);
    return valid;
}
Also used : SignaturePrevalidator(org.opensaml.xmlsec.signature.support.SignaturePrevalidator) UsageCriterion(org.opensaml.security.criteria.UsageCriterion) ProtocolCriterion(org.opensaml.saml.criterion.ProtocolCriterion) ExplicitKeySignatureTrustEngine(org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine) SignatureTrustEngine(org.opensaml.xmlsec.signature.support.SignatureTrustEngine) SAMLSignatureProfileValidator(org.opensaml.saml.security.impl.SAMLSignatureProfileValidator) CriteriaSet(net.shibboleth.utilities.java.support.resolver.CriteriaSet) EntityRoleCriterion(org.opensaml.saml.criterion.EntityRoleCriterion) EntityIdCriterion(org.opensaml.core.criterion.EntityIdCriterion) SecurityException(org.opensaml.security.SecurityException) SignatureException(org.opensaml.xmlsec.signature.support.SignatureException)

Example 2 with SignatureTrustEngine

use of org.opensaml.xmlsec.signature.support.SignatureTrustEngine 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 Credential credential = getSigningCredential(roleDescriptorResolver, profileRequest);
    if (credential == null) {
        throw new SamlException("Signing credential for validation could not be resolved");
    }
    final CredentialResolver resolver = new StaticCredentialResolver(credential);
    final KeyInfoCredentialResolver keyResolver = new StaticKeyInfoCredentialResolver(credential);
    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());
}
Also used : Credential(org.opensaml.security.credential.Credential) ExplicitKeySignatureTrustEngine(org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine) SignatureTrustEngine(org.opensaml.xmlsec.signature.support.SignatureTrustEngine) SAMLPeerEntityContext(org.opensaml.saml.common.messaging.context.SAMLPeerEntityContext) EntityIdCriterion(org.opensaml.core.criterion.EntityIdCriterion) SAML2HTTPRedirectDeflateSignatureSecurityHandler(org.opensaml.saml.saml2.binding.security.impl.SAML2HTTPRedirectDeflateSignatureSecurityHandler) SamlException(org.apereo.cas.support.saml.SamlException) SignatureValidationParameters(org.opensaml.xmlsec.SignatureValidationParameters) StaticKeyInfoCredentialResolver(org.opensaml.xmlsec.keyinfo.impl.StaticKeyInfoCredentialResolver) SAMLProtocolContext(org.opensaml.saml.common.messaging.context.SAMLProtocolContext) StaticCredentialResolver(org.opensaml.security.credential.impl.StaticCredentialResolver) ExplicitKeySignatureTrustEngine(org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine) RoleDescriptor(org.opensaml.saml.saml2.metadata.RoleDescriptor) CriteriaSet(net.shibboleth.utilities.java.support.resolver.CriteriaSet) EntityRoleCriterion(org.opensaml.saml.criterion.EntityRoleCriterion) SecurityParametersContext(org.opensaml.xmlsec.context.SecurityParametersContext) StaticKeyInfoCredentialResolver(org.opensaml.xmlsec.keyinfo.impl.StaticKeyInfoCredentialResolver) KeyInfoCredentialResolver(org.opensaml.xmlsec.keyinfo.KeyInfoCredentialResolver) MetadataCredentialResolver(org.opensaml.saml.security.impl.MetadataCredentialResolver) StaticCredentialResolver(org.opensaml.security.credential.impl.StaticCredentialResolver) StaticKeyInfoCredentialResolver(org.opensaml.xmlsec.keyinfo.impl.StaticKeyInfoCredentialResolver) CredentialResolver(org.opensaml.security.credential.CredentialResolver) KeyInfoCredentialResolver(org.opensaml.xmlsec.keyinfo.KeyInfoCredentialResolver)

Aggregations

CriteriaSet (net.shibboleth.utilities.java.support.resolver.CriteriaSet)2 EntityIdCriterion (org.opensaml.core.criterion.EntityIdCriterion)2 EntityRoleCriterion (org.opensaml.saml.criterion.EntityRoleCriterion)2 SignatureTrustEngine (org.opensaml.xmlsec.signature.support.SignatureTrustEngine)2 ExplicitKeySignatureTrustEngine (org.opensaml.xmlsec.signature.support.impl.ExplicitKeySignatureTrustEngine)2 SamlException (org.apereo.cas.support.saml.SamlException)1 SAMLPeerEntityContext (org.opensaml.saml.common.messaging.context.SAMLPeerEntityContext)1 SAMLProtocolContext (org.opensaml.saml.common.messaging.context.SAMLProtocolContext)1 ProtocolCriterion (org.opensaml.saml.criterion.ProtocolCriterion)1 SAML2HTTPRedirectDeflateSignatureSecurityHandler (org.opensaml.saml.saml2.binding.security.impl.SAML2HTTPRedirectDeflateSignatureSecurityHandler)1 RoleDescriptor (org.opensaml.saml.saml2.metadata.RoleDescriptor)1 MetadataCredentialResolver (org.opensaml.saml.security.impl.MetadataCredentialResolver)1 SAMLSignatureProfileValidator (org.opensaml.saml.security.impl.SAMLSignatureProfileValidator)1 SecurityException (org.opensaml.security.SecurityException)1 Credential (org.opensaml.security.credential.Credential)1 CredentialResolver (org.opensaml.security.credential.CredentialResolver)1 StaticCredentialResolver (org.opensaml.security.credential.impl.StaticCredentialResolver)1 UsageCriterion (org.opensaml.security.criteria.UsageCriterion)1 SignatureValidationParameters (org.opensaml.xmlsec.SignatureValidationParameters)1 SecurityParametersContext (org.opensaml.xmlsec.context.SecurityParametersContext)1