Examples with SignaturePrevalidator org.opensaml.xmlsec.signature.support.SignaturePrevalidator used on opensource projects

Example 1 with SignaturePrevalidator

use of org.opensaml.xmlsec.signature.support.SignaturePrevalidator 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;
}