diff options
Diffstat (limited to 'eaaf_modules/eaaf_module_pvp2_sp/src/main/java/at/gv/egiz/eaaf/modules/pvp2/sp/impl/PVPAuthnRequestBuilder.java')
| -rw-r--r-- | eaaf_modules/eaaf_module_pvp2_sp/src/main/java/at/gv/egiz/eaaf/modules/pvp2/sp/impl/PVPAuthnRequestBuilder.java | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/eaaf_modules/eaaf_module_pvp2_sp/src/main/java/at/gv/egiz/eaaf/modules/pvp2/sp/impl/PVPAuthnRequestBuilder.java b/eaaf_modules/eaaf_module_pvp2_sp/src/main/java/at/gv/egiz/eaaf/modules/pvp2/sp/impl/PVPAuthnRequestBuilder.java new file mode 100644 index 00000000..9b02dc77 --- /dev/null +++ b/eaaf_modules/eaaf_module_pvp2_sp/src/main/java/at/gv/egiz/eaaf/modules/pvp2/sp/impl/PVPAuthnRequestBuilder.java @@ -0,0 +1,205 @@ +/******************************************************************************* + *******************************************************************************/ +package at.gv.egiz.eaaf.modules.pvp2.sp.impl; + +import java.security.NoSuchAlgorithmException; + +import javax.servlet.http.HttpServletResponse; + +import org.apache.commons.lang3.StringUtils; +import org.joda.time.DateTime; +import org.opensaml.common.impl.SecureRandomIdentifierGenerator; +import org.opensaml.common.xml.SAMLConstants; +import org.opensaml.saml2.core.AuthnContextClassRef; +import org.opensaml.saml2.core.AuthnContextComparisonTypeEnumeration; +import org.opensaml.saml2.core.AuthnRequest; +import org.opensaml.saml2.core.Issuer; +import org.opensaml.saml2.core.NameID; +import org.opensaml.saml2.core.NameIDPolicy; +import org.opensaml.saml2.core.NameIDType; +import org.opensaml.saml2.core.RequestedAuthnContext; +import org.opensaml.saml2.core.Subject; +import org.opensaml.saml2.core.SubjectConfirmation; +import org.opensaml.saml2.core.SubjectConfirmationData; +import org.opensaml.saml2.metadata.EntityDescriptor; +import org.opensaml.saml2.metadata.SingleSignOnService; +import org.opensaml.ws.message.encoder.MessageEncodingException; +import org.opensaml.xml.security.SecurityException; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.beans.factory.annotation.Autowired; +import org.springframework.context.ApplicationContext; +import org.springframework.stereotype.Service; + +import at.gv.egiz.eaaf.core.api.IRequest; +import at.gv.egiz.eaaf.modules.pvp2.api.binding.IEncoder; +import at.gv.egiz.eaaf.modules.pvp2.exception.PVP2Exception; +import at.gv.egiz.eaaf.modules.pvp2.impl.binding.PostBinding; +import at.gv.egiz.eaaf.modules.pvp2.impl.binding.RedirectBinding; +import at.gv.egiz.eaaf.modules.pvp2.impl.utils.SAML2Utils; +import at.gv.egiz.eaaf.modules.pvp2.sp.api.IPVPAuthnRequestBuilderConfiguruation; +import at.gv.egiz.eaaf.modules.pvp2.sp.exception.AuthnRequestBuildException; + +/** + * @author tlenz + * + */ +@Service("PVPAuthnRequestBuilder") +public class PVPAuthnRequestBuilder { + private static final Logger log = LoggerFactory.getLogger(PVPAuthnRequestBuilder.class); + + + @Autowired(required=true) ApplicationContext springContext; + + + /** + * Build a PVP2.x specific authentication request + * + * @param pendingReq Currently processed pendingRequest + * @param config AuthnRequest builder configuration, never null + * @param idpEntity SAML2 EntityDescriptor of the IDP, which receive this AuthnRequest, never null + * @param httpResp + * @throws NoSuchAlgorithmException + * @throws SecurityException + * @throws PVP2Exception + * @throws MessageEncodingException + */ + public void buildAuthnRequest(IRequest pendingReq, IPVPAuthnRequestBuilderConfiguruation config, + HttpServletResponse httpResp) throws NoSuchAlgorithmException, MessageEncodingException, PVP2Exception, SecurityException { + //get IDP Entity element from config + EntityDescriptor idpEntity = config.getIDPEntityDescriptor(); + + AuthnRequest authReq = SAML2Utils + .createSAMLObject(AuthnRequest.class); + + //select SingleSignOn Service endpoint from IDP metadata + SingleSignOnService endpoint = null; + for (SingleSignOnService sss : + idpEntity.getIDPSSODescriptor(SAMLConstants.SAML20P_NS).getSingleSignOnServices()) { + + // use POST binding as default if it exists + if (sss.getBinding().equals(SAMLConstants.SAML2_POST_BINDING_URI)) { + endpoint = sss; + + } else if ( sss.getBinding().equals(SAMLConstants.SAML2_REDIRECT_BINDING_URI) + && endpoint == null ) + endpoint = sss; + + } + + if (endpoint == null) { + log.warn("Building AuthnRequest FAILED: > Requested IDP " + idpEntity.getEntityID() + + " does not support POST or Redirect Binding."); + throw new AuthnRequestBuildException("sp.pvp2.00", new Object[]{config.getSPNameForLogging(), idpEntity.getEntityID()}); + + } else + authReq.setDestination(endpoint.getLocation()); + + + //set basic AuthnRequest information + String reqID = config.getRequestID(); + if (StringUtils.isNotEmpty(reqID)) + authReq.setID(reqID); + + else { + SecureRandomIdentifierGenerator gen = new SecureRandomIdentifierGenerator(); + authReq.setID(gen.generateIdentifier()); + + } + + authReq.setIssueInstant(new DateTime()); + + //set isPassive flag + if (config.isPassivRequest() == null) + authReq.setIsPassive(false); + else + authReq.setIsPassive(config.isPassivRequest()); + + //set EntityID of the service provider + Issuer issuer = SAML2Utils.createSAMLObject(Issuer.class); + issuer.setFormat(NameIDType.ENTITY); + issuer.setValue(config.getSPEntityID()); + authReq.setIssuer(issuer); + + //set AssertionConsumerService ID + if (config.getAssertionConsumerServiceId() != null) + authReq.setAssertionConsumerServiceIndex(config.getAssertionConsumerServiceId()); + + //set NameIDPolicy + if (config.getNameIDPolicyFormat() != null) { + NameIDPolicy policy = SAML2Utils.createSAMLObject(NameIDPolicy.class); + policy.setAllowCreate(config.getNameIDPolicyAllowCreation()); + policy.setFormat(config.getNameIDPolicyFormat()); + authReq.setNameIDPolicy(policy); + } + + //set requested QAA level + if (config.getAuthnContextClassRef() != null) { + RequestedAuthnContext reqAuthContext = SAML2Utils.createSAMLObject(RequestedAuthnContext.class); + AuthnContextClassRef authnClassRef = SAML2Utils.createSAMLObject(AuthnContextClassRef.class); + + authnClassRef.setAuthnContextClassRef(config.getAuthnContextClassRef()); + + if (config.getAuthnContextComparison() == null) + reqAuthContext.setComparison(AuthnContextComparisonTypeEnumeration.MINIMUM); + else + reqAuthContext.setComparison(config.getAuthnContextComparison()); + + reqAuthContext.getAuthnContextClassRefs().add(authnClassRef); + authReq.setRequestedAuthnContext(reqAuthContext); + } + + //set request Subject element + if (StringUtils.isNotEmpty(config.getSubjectNameID())) { + Subject reqSubject = SAML2Utils.createSAMLObject(Subject.class); + NameID subjectNameID = SAML2Utils.createSAMLObject(NameID.class); + + subjectNameID.setValue(config.getSubjectNameID()); + if (StringUtils.isNotEmpty(config.getSubjectNameIDQualifier())) + subjectNameID.setNameQualifier(config.getSubjectNameIDQualifier()); + + if (StringUtils.isNotEmpty(config.getSubjectNameIDFormat())) + subjectNameID.setFormat(config.getSubjectNameIDFormat()); + else + subjectNameID.setFormat(NameID.TRANSIENT); + + reqSubject.setNameID(subjectNameID); + + if (config.getSubjectConformationDate() != null) { + SubjectConfirmation subjectConformation = SAML2Utils.createSAMLObject(SubjectConfirmation.class); + SubjectConfirmationData subjectConformDate = SAML2Utils.createSAMLObject(SubjectConfirmationData.class); + subjectConformation.setSubjectConfirmationData(subjectConformDate); + reqSubject.getSubjectConfirmations().add(subjectConformation ); + + if (config.getSubjectConformationMethode() != null) + subjectConformation.setMethod(config.getSubjectConformationMethode()); + + subjectConformDate.setDOM(config.getSubjectConformationDate()); + + } + + authReq.setSubject(reqSubject ); + + } + + //TODO: implement requested attributes + //maybe: config.getRequestedAttributes(); + + //select message encoder + IEncoder binding = null; + if (endpoint.getBinding().equals( + SAMLConstants.SAML2_REDIRECT_BINDING_URI)) { + binding = springContext.getBean("PVPRedirectBinding", RedirectBinding.class); + + } else if (endpoint.getBinding().equals( + SAMLConstants.SAML2_POST_BINDING_URI)) { + binding = springContext.getBean("PVPPOSTBinding", PostBinding.class); + + } + + //encode message + binding.encodeRequest(null, httpResp, authReq, + endpoint.getLocation(), pendingReq.getPendingRequestId(), config.getAuthnRequestSigningCredential(), pendingReq); + } + +} |