From bee5dd259a4438d45ecd1bcc26dfba12875236d6 Mon Sep 17 00:00:00 2001 From: Thomas Lenz Date: Tue, 26 Jun 2018 11:03:48 +0200 Subject: initial commit --- .../AbstractRequestSignedSecurityPolicyRule.java | 171 +++++++++++++++++++++ 1 file changed, 171 insertions(+) create mode 100644 eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/verification/AbstractRequestSignedSecurityPolicyRule.java (limited to 'eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/verification/AbstractRequestSignedSecurityPolicyRule.java') diff --git a/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/verification/AbstractRequestSignedSecurityPolicyRule.java b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/verification/AbstractRequestSignedSecurityPolicyRule.java new file mode 100644 index 00000000..32615d64 --- /dev/null +++ b/eaaf_modules/eaaf_module_pvp2_core/src/main/java/at/gv/egiz/eaaf/modules/pvp2/impl/verification/AbstractRequestSignedSecurityPolicyRule.java @@ -0,0 +1,171 @@ +/******************************************************************************* + *******************************************************************************/ +package at.gv.egiz.eaaf.modules.pvp2.impl.verification; + +import javax.xml.namespace.QName; +import javax.xml.transform.dom.DOMSource; +import javax.xml.validation.Schema; +import javax.xml.validation.Validator; + +import org.apache.commons.lang3.StringUtils; +import org.opensaml.common.SignableSAMLObject; +import org.opensaml.common.xml.SAMLConstants; +import org.opensaml.common.xml.SAMLSchemaBuilder; +import org.opensaml.security.MetadataCriteria; +import org.opensaml.security.SAMLSignatureProfileValidator; +import org.opensaml.ws.message.MessageContext; +import org.opensaml.ws.security.SecurityPolicyException; +import org.opensaml.ws.security.SecurityPolicyRule; +import org.opensaml.xml.XMLObject; +import org.opensaml.xml.security.CriteriaSet; +import org.opensaml.xml.security.credential.UsageType; +import org.opensaml.xml.security.criteria.EntityIDCriteria; +import org.opensaml.xml.security.criteria.UsageCriteria; +import org.opensaml.xml.signature.SignatureTrustEngine; +import org.opensaml.xml.validation.ValidationException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.w3c.dom.Element; +import org.xml.sax.SAXException; + +import at.gv.egiz.eaaf.modules.pvp2.exception.SchemaValidationException; + +/** + * @author tlenz + * + */ +public abstract class AbstractRequestSignedSecurityPolicyRule implements SecurityPolicyRule { + + private static final Logger log = LoggerFactory.getLogger(AbstractRequestSignedSecurityPolicyRule.class); + + + private SignatureTrustEngine trustEngine = null; + private QName peerEntityRole = null; + /** + * @param peerEntityRole + * + */ + public AbstractRequestSignedSecurityPolicyRule(SignatureTrustEngine trustEngine, QName peerEntityRole) { + this.trustEngine = trustEngine; + this.peerEntityRole = peerEntityRole; + + } + + + /** + * Reload the PVP metadata for a given entity + * + * @param entityID for which the metadata should be refreshed. + * @return true if the refresh was successful, otherwise false + */ + protected abstract boolean refreshMetadataProvider(String entityID); + + + protected abstract SignableSAMLObject getSignedSAMLObject(XMLObject inboundData); + + /* (non-Javadoc) + * @see org.opensaml.ws.security.SecurityPolicyRule#evaluate(org.opensaml.ws.message.MessageContext) + */ + @Override + public void evaluate(MessageContext context) throws SecurityPolicyException { + try { + verifySignature(context); + + } catch (SecurityPolicyException e) { + if (StringUtils.isEmpty(context.getInboundMessageIssuer())) { + throw e; + + } + log.debug("PVP2X message validation FAILED. Reload metadata for entityID: " + context.getInboundMessageIssuer()); + if (!refreshMetadataProvider(context.getInboundMessageIssuer())) + throw e; + + else { + log.trace("PVP2X metadata reload finished. Check validate message again."); + verifySignature(context); + + } + log.trace("Second PVP2X message validation finished"); + + } + + + } + + private void verifySignature(MessageContext context) throws SecurityPolicyException { + SignableSAMLObject samlObj = getSignedSAMLObject(context.getInboundMessage()); + if (samlObj != null && samlObj.getSignature() != null) { + + SAMLSignatureProfileValidator profileValidator = new SAMLSignatureProfileValidator(); + try { + profileValidator.validate(samlObj.getSignature()); + performSchemaValidation(samlObj.getDOM()); + + } catch (ValidationException e) { + log.warn("Signature is not conform to SAML signature profile", e); + throw new SecurityPolicyException("Signature is not conform to SAML signature profile"); + + } catch (SchemaValidationException e) { + log.warn("Signature is not conform to SAML signature profile", e); + throw new SecurityPolicyException("Signature is not conform to SAML signature profile"); + + } + + + + CriteriaSet criteriaSet = new CriteriaSet(); + criteriaSet.add( new EntityIDCriteria(context.getInboundMessageIssuer()) ); + criteriaSet.add( new MetadataCriteria(peerEntityRole, SAMLConstants.SAML20P_NS) ); + criteriaSet.add( new UsageCriteria(UsageType.SIGNING) ); + + try { + if (!trustEngine.validate(samlObj.getSignature(), criteriaSet)) { + throw new SecurityPolicyException("Signature validation FAILED."); + + } + log.debug("PVP message signature valid."); + + } catch (org.opensaml.xml.security.SecurityException e) { + log.info("PVP2x message signature validation FAILED. Message:" + e.getMessage()); + throw new SecurityPolicyException("Signature validation FAILED."); + + } + + } else { + throw new SecurityPolicyException("PVP Message is not signed."); + + } + + } + + private void performSchemaValidation(Element source) throws SchemaValidationException { + + String err = null; + try { + Schema test = SAMLSchemaBuilder.getSAML11Schema(); + Validator val = test.newValidator(); + val.validate(new DOMSource(source)); + log.debug("Schema validation check done OK"); + return; + + } catch (SAXException e) { + err = e.getMessage(); + if (log.isDebugEnabled() || log.isTraceEnabled()) + log.warn("Schema validation FAILED with exception:", e); + else + log.warn("Schema validation FAILED with message: "+ e.getMessage()); + + } catch (Exception e) { + err = e.getMessage(); + if (log.isDebugEnabled() || log.isTraceEnabled()) + log.warn("Schema validation FAILED with exception:", e); + else + log.warn("Schema validation FAILED with message: "+ e.getMessage()); + + } + + throw new SchemaValidationException("pvp2.22", new Object[]{err}); + + } + +} -- cgit v1.2.3