Java tutorial
/** * The MIT License * Copyright (c) 2015 Population Register Centre * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package fi.vm.kapa.identification.metadata.background; import fi.vm.kapa.identification.metadata.model.Metadata; import fi.vm.kapa.identification.metadata.service.MetadataService; import fi.vm.kapa.identification.type.ProviderType; import org.opensaml.Configuration; import org.opensaml.DefaultBootstrap; import org.opensaml.common.xml.SAMLConstants; import org.opensaml.saml2.metadata.*; import org.opensaml.xml.XMLObject; import org.opensaml.xml.XMLObjectBuilderFactory; import org.opensaml.xml.io.Marshaller; import org.opensaml.xml.security.credential.UsageType; import org.opensaml.xml.signature.KeyInfo; import org.opensaml.xml.signature.X509Certificate; import org.opensaml.xml.signature.X509Data; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Service; import org.w3c.dom.Document; import javax.xml.namespace.QName; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.transform.Transformer; import javax.xml.transform.TransformerFactory; import javax.xml.transform.dom.DOMSource; import javax.xml.transform.stream.StreamResult; import java.io.File; import java.io.FileOutputStream; import java.io.StringWriter; import java.util.List; @Service public class MetadataFilesGenerator { private static final Logger logger = LoggerFactory.getLogger(MetadataFilesGenerator.class); private static final String NAME_ID_FORMAT = "urn:oasis:names:tc:SAML:2.0:nameid-format:transient"; @Autowired private MetadataService metadataService; public void regenerate() { long start = System.currentTimeMillis(); logger.info("Staring metadata files regeneration..."); try { DefaultBootstrap.bootstrap(); List<Metadata> serviceProviders = metadataService.getMetadataByType(ProviderType.SERVICE_PROVIDER); List<Metadata> identityProviders = metadataService.getMetadataByType(ProviderType.IDENTITY_PROVIDER); createSPMetadata(serviceProviders); createIdPMetadata(identityProviders); } catch (Exception e) { logger.error("Error in regenerating metadata files", e); } logger.info("Regeneration finished, took {} ms", System.currentTimeMillis() - start); } private void createSPMetadata(List<Metadata> serviceProviders) throws Exception { EntitiesDescriptor entities = createSAMLObject(EntitiesDescriptor.class); serviceProviders.forEach(serviceProvider -> { try { EntityDescriptor entityDescriptor = createSAMLObject(EntityDescriptor.class); entityDescriptor.setEntityID(serviceProvider.getEntityid()); SPSSODescriptor spDescriptor = createSAMLObject(SPSSODescriptor.class); spDescriptor.addSupportedProtocol(SAMLConstants.SAML20P_NS); spDescriptor.setWantAssertionsSigned(true); KeyInfo keyInfo = createSAMLObject(KeyInfo.class); X509Data x509Data = createSAMLObject(X509Data.class); X509Certificate x509Cert = createSAMLObject(X509Certificate.class); x509Cert.setValue("asdf"); x509Data.getX509Certificates().add(x509Cert); keyInfo.getX509Datas().add(x509Data); KeyDescriptor keyDescriptor = createSAMLObject(KeyDescriptor.class); keyDescriptor.setUse(UsageType.SIGNING); keyDescriptor.setKeyInfo(keyInfo); spDescriptor.getKeyDescriptors().add(keyDescriptor); NameIDFormat nameFormat = createSAMLObject(NameIDFormat.class); nameFormat.setFormat(NAME_ID_FORMAT); spDescriptor.getNameIDFormats().add(nameFormat); AssertionConsumerService consumer = createSAMLObject(AssertionConsumerService.class); consumer.setIndex(1); consumer.setBinding(SAMLConstants.SAML2_POST_BINDING_URI); consumer.setLocation("http://saml.post.url.com/SAML/Post"); spDescriptor.getAssertionConsumerServices().add(consumer); entityDescriptor.getRoleDescriptors().add(spDescriptor); entities.getEntityDescriptors().add(entityDescriptor); } catch (Exception e) { logger.error("Error parsing service provider with entity ID: {}", serviceProvider.getEntityid(), e); } }); FileOutputStream fos = new FileOutputStream(new File("/tmp/sp_metadata.xml")); fos.write(createXmlString(entities).getBytes()); } private void createIdPMetadata(List<Metadata> identityProviders) throws Exception { EntitiesDescriptor entities = createSAMLObject(EntitiesDescriptor.class); identityProviders.forEach(identityProvider -> { try { EntityDescriptor entityDescriptor = createSAMLObject(EntityDescriptor.class); entityDescriptor.setEntityID(identityProvider.getEntityid()); IDPSSODescriptor idpDescriptor = createSAMLObject(IDPSSODescriptor.class); idpDescriptor.addSupportedProtocol(SAMLConstants.SAML20P_NS); idpDescriptor.setWantAuthnRequestsSigned(true); KeyInfo keyInfo = createSAMLObject(KeyInfo.class); X509Data x509Data = createSAMLObject(X509Data.class); X509Certificate x509Cert = createSAMLObject(X509Certificate.class); x509Cert.setValue("asdf"); x509Data.getX509Certificates().add(x509Cert); keyInfo.getX509Datas().add(x509Data); KeyDescriptor keyDescriptor = createSAMLObject(KeyDescriptor.class); keyDescriptor.setUse(UsageType.SIGNING); keyDescriptor.setKeyInfo(keyInfo); idpDescriptor.getKeyDescriptors().add(keyDescriptor); NameIDFormat nameFormat = createSAMLObject(NameIDFormat.class); nameFormat.setFormat(NAME_ID_FORMAT); idpDescriptor.getNameIDFormats().add(nameFormat); SingleSignOnService signOnSrv = createSAMLObject(SingleSignOnService.class); signOnSrv.setBinding(SAMLConstants.SAML2_POST_BINDING_URI); signOnSrv.setLocation("http://saml.post.url.com/SAML/Post"); idpDescriptor.getSingleSignOnServices().add(signOnSrv); entityDescriptor.getRoleDescriptors().add(idpDescriptor); entities.getEntityDescriptors().add(entityDescriptor); } catch (Exception e) { logger.error("Error parsing service provider with entity ID: {}", identityProvider.getEntityid(), e); } }); FileOutputStream fos = new FileOutputStream(new File("/tmp/idp_metadata.xml")); fos.write(createXmlString(entities).getBytes()); } @SuppressWarnings("unchecked") private static <T> T createSAMLObject(final Class<T> object) throws Exception { XMLObjectBuilderFactory builderFactory = Configuration.getBuilderFactory(); QName name = (QName) object.getDeclaredField("DEFAULT_ELEMENT_NAME").get(null); return (T) builderFactory.getBuilder(name).buildObject(name); } private String createXmlString(XMLObject content) throws Exception { Document xmlDocument = DocumentBuilderFactory.newInstance().newDocumentBuilder().newDocument(); Marshaller marshaller = Configuration.getMarshallerFactory().getMarshaller(content); marshaller.marshall(content, xmlDocument); Transformer transformer = TransformerFactory.newInstance().newTransformer(); StringWriter writer = new StringWriter(); StreamResult streamResult = new StreamResult(writer); DOMSource source = new DOMSource(xmlDocument); transformer.transform(source, streamResult); writer.close(); return writer.toString(); } }