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-rw-r--r--utils/src/main/java/at/gv/egiz/idlink/IdentityLinkFactory.java421
1 files changed, 421 insertions, 0 deletions
diff --git a/utils/src/main/java/at/gv/egiz/idlink/IdentityLinkFactory.java b/utils/src/main/java/at/gv/egiz/idlink/IdentityLinkFactory.java
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+++ b/utils/src/main/java/at/gv/egiz/idlink/IdentityLinkFactory.java
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+/*
+* Copyright 2008 Federal Chancellery Austria and
+* Graz University of Technology
+*
+* Licensed under the Apache License, Version 2.0 (the "License");
+* you may not use this file except in compliance with the License.
+* You may obtain a copy of the License at
+*
+* http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package at.gv.egiz.idlink;
+
+import iaik.xml.crypto.XmldsigMore;
+
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.StringWriter;
+import java.math.BigInteger;
+import java.nio.charset.Charset;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.TimeZone;
+
+import javax.xml.bind.JAXBContext;
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.JAXBException;
+import javax.xml.bind.Marshaller;
+import javax.xml.bind.PropertyException;
+import javax.xml.crypto.MarshalException;
+import javax.xml.crypto.dsig.CanonicalizationMethod;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.Manifest;
+import javax.xml.crypto.dsig.Reference;
+import javax.xml.crypto.dsig.SignatureMethod;
+import javax.xml.crypto.dsig.SignedInfo;
+import javax.xml.crypto.dsig.Transform;
+import javax.xml.crypto.dsig.XMLObject;
+import javax.xml.crypto.dsig.XMLSignature;
+import javax.xml.crypto.dsig.XMLSignatureException;
+import javax.xml.crypto.dsig.XMLSignatureFactory;
+import javax.xml.crypto.dsig.dom.DOMSignContext;
+import javax.xml.crypto.dsig.keyinfo.KeyInfo;
+import javax.xml.crypto.dsig.keyinfo.KeyInfoFactory;
+import javax.xml.crypto.dsig.keyinfo.X509Data;
+import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
+import javax.xml.crypto.dsig.spec.TransformParameterSpec;
+import javax.xml.crypto.dsig.spec.XPathFilterParameterSpec;
+import javax.xml.datatype.DatatypeConfigurationException;
+import javax.xml.datatype.DatatypeFactory;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMResult;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import oasis.names.tc.saml._1_0.assertion.AssertionType;
+import oasis.names.tc.saml._1_0.assertion.AttributeStatementType;
+import oasis.names.tc.saml._1_0.assertion.AttributeType;
+import oasis.names.tc.saml._1_0.assertion.SubjectConfirmationType;
+import oasis.names.tc.saml._1_0.assertion.SubjectType;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+import at.gv.e_government.reference.namespace.persondata._20020228_.IdentificationType;
+import at.gv.e_government.reference.namespace.persondata._20020228_.PersonNameType;
+import at.gv.e_government.reference.namespace.persondata._20020228_.PhysicalPersonType;
+import at.gv.e_government.reference.namespace.persondata._20020228_.IdentificationType.Value;
+import at.gv.e_government.reference.namespace.persondata._20020228_.PersonNameType.FamilyName;
+import at.gv.egiz.xmldsig.KeyTypeNotSupportedException;
+import at.gv.egiz.xmldsig.KeyValueFactory;
+
+public class IdentityLinkFactory {
+
+ private static Log log = LogFactory.getLog(IdentityLinkFactory.class);
+
+ /**
+ * The instance returned by {@link #getInstance()}.
+ */
+ private static IdentityLinkFactory instance;
+
+ /**
+ * The <code>JAXBContext</code>.
+ */
+ private static JAXBContext jaxbContext;
+
+ /**
+ * The <code>KeyValueFactory</code>.
+ */
+ private static KeyValueFactory keyValueFactory;
+
+ /**
+ * Get an instance of this <code>CompressedIdentityLinkFactory</code>.
+ *
+ * @return an instance of this <code>CompressedIdentityLinkFactory</code>
+ */
+ public synchronized static IdentityLinkFactory getInstance() {
+ if (instance == null) {
+ instance = new IdentityLinkFactory();
+ }
+ return instance;
+ }
+
+ /**
+ * Private constructor.
+ */
+ private IdentityLinkFactory() {
+
+ keyValueFactory = new KeyValueFactory();
+
+ StringBuffer packageNames = new StringBuffer();
+ packageNames.append(at.gv.e_government.reference.namespace.persondata._20020228_.ObjectFactory.class.getPackage().getName());
+ packageNames.append(":");
+ packageNames.append(org.w3._2000._09.xmldsig_.ObjectFactory.class.getPackage().getName());
+ packageNames.append(":");
+ packageNames.append(org.w3._2001._04.xmldsig_more_.ObjectFactory.class.getPackage().getName());
+ packageNames.append(":");
+ packageNames.append(at.buergerkarte.namespaces.personenbindung._20020506_.ObjectFactory.class.getPackage().getName());
+ packageNames.append(":");
+ packageNames.append(oasis.names.tc.saml._1_0.assertion.ObjectFactory.class.getPackage().getName());
+
+ try {
+ jaxbContext = JAXBContext.newInstance(packageNames.toString());
+ } catch (JAXBException e) {
+ // we should not get an JAXBException initializing the JAXBContext
+ throw new RuntimeException(e);
+ }
+
+ }
+
+ public JAXBElement<AssertionType> createAssertion(String assertionId,
+ Date issueInstant, String issuer, long majorVersion, long minorVersion, AttributeStatementType attributeStatement) {
+
+ oasis.names.tc.saml._1_0.assertion.ObjectFactory asFactory =
+ new oasis.names.tc.saml._1_0.assertion.ObjectFactory();
+
+ AssertionType assertionType = asFactory.createAssertionType();
+
+ assertionType.setAssertionID(assertionId);
+
+ GregorianCalendar gregorianCalendar = new GregorianCalendar(TimeZone.getTimeZone("UTC"));
+ gregorianCalendar.setTime(issueInstant);
+ try {
+ DatatypeFactory datatypeFactory = DatatypeFactory.newInstance();
+ assertionType.setIssueInstant(datatypeFactory.newXMLGregorianCalendar(gregorianCalendar));
+ } catch (DatatypeConfigurationException e) {
+ throw new RuntimeException(e);
+ }
+
+ assertionType.setIssuer(issuer);
+
+ assertionType.setMajorVersion(BigInteger.valueOf(majorVersion));
+ assertionType.setMinorVersion(BigInteger.valueOf(minorVersion));
+
+ assertionType.getStatementOrSubjectStatementOrAuthenticationStatement().add(attributeStatement);
+
+ return asFactory.createAssertion(assertionType);
+
+ }
+
+ public AttributeStatementType createAttributeStatement(String idValue, String idType,
+ String givenName, String familyName, String dateOfBirth,
+ PublicKey[] publicKeys) throws KeyTypeNotSupportedException {
+
+ oasis.names.tc.saml._1_0.assertion.ObjectFactory asFactory =
+ new oasis.names.tc.saml._1_0.assertion.ObjectFactory();
+
+ at.gv.e_government.reference.namespace.persondata._20020228_.ObjectFactory prFactory =
+ new at.gv.e_government.reference.namespace.persondata._20020228_.ObjectFactory();
+
+ AttributeStatementType attributeStatementType = asFactory.createAttributeStatementType();
+
+ // saml:Subject
+ SubjectConfirmationType subjectConfirmationType = asFactory.createSubjectConfirmationType();
+
+ subjectConfirmationType.getConfirmationMethod().add("urn:oasis:names:tc:SAML:1.0:cm:sender-vouches");
+
+ // pr:Person
+ Value identificationTypeValue = prFactory.createIdentificationTypeValue();
+ identificationTypeValue.setValue(idValue);
+ IdentificationType identificationType = prFactory
+ .createIdentificationType();
+ identificationType.setValue(identificationTypeValue);
+ identificationType.setType(idType);
+
+ PersonNameType personNameType = prFactory.createPersonNameType();
+ FamilyName personNameTypeFamilyName = prFactory
+ .createPersonNameTypeFamilyName();
+ personNameTypeFamilyName.setValue(familyName);
+ personNameTypeFamilyName.setPrimary("undefined");
+ personNameType.getFamilyName().add(personNameTypeFamilyName);
+ personNameType.getGivenName().add(givenName);
+
+ PhysicalPersonType physicalPersonType = prFactory
+ .createPhysicalPersonType();
+ physicalPersonType.getIdentification().add(identificationType);
+ physicalPersonType.setName(personNameType);
+ physicalPersonType.setDateOfBirth(dateOfBirth);
+
+ subjectConfirmationType.setSubjectConfirmationData(physicalPersonType);
+
+ JAXBElement<SubjectConfirmationType> subjectConfirmation = asFactory.createSubjectConfirmation(subjectConfirmationType);
+
+ SubjectType subjectType = asFactory.createSubjectType();
+ subjectType.getContent().add(subjectConfirmation);
+
+ attributeStatementType.setSubject(subjectType);
+
+ // saml:Attribute CitizenPublicKey
+ for (int i = 0; i < publicKeys.length; i++) {
+
+ JAXBElement<?> createKeyValue = keyValueFactory.createKeyValue(publicKeys[i]);
+ AttributeType attributeType = asFactory.createAttributeType();
+ attributeType.setAttributeName("CitizenPublicKey");
+ attributeType.setAttributeNamespace("urn:publicid:gv.at:namespaces:identitylink:1.2");
+ attributeType.getAttributeValue().add(createKeyValue.getValue());
+
+ attributeStatementType.getAttribute().add(attributeType);
+
+ }
+
+ return attributeStatementType;
+ }
+
+ /**
+ * Marshall the given <code>compressedIdentityLink</code> into a DOM document
+ * with the given Nodes as <code>parent</code> and <code>nextSibling</code>
+ * nodes.
+ *
+ * @param identityLink
+ * the <code>CompressedIdentityLink</code> element
+ * @param parent
+ * the parent node
+ * @param nextSibling
+ * the next sibling node (may be <code>null</code>)
+ * @param applyWorkarounds
+ * apply workarounds as spefiyed by
+ * {@link #applyWorkarounds(Element, int)}
+ *
+ * @throws JAXBException
+ * if an unexpected error occurs while marshalling
+ * @throws NullPointerException
+ * if <code>compressdIdentityLink</code> or <code>parent</code> is
+ * <code>null</code>
+ */
+ public void marshallIdentityLink(
+ JAXBElement<AssertionType> identityLink,
+ Node parent, Node nextSibling) throws JAXBException {
+
+ DOMResult result = new DOMResult(parent, nextSibling);
+
+ try {
+ Marshaller marshaller = jaxbContext.createMarshaller();
+
+ marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT, Boolean.TRUE);
+
+ marshaller.marshal(identityLink, result);
+ } catch (PropertyException e) {
+ throw new RuntimeException(e);
+ }
+
+ }
+
+ public void signIdentityLink(Element assertion, X509Certificate certificate,
+ PrivateKey key) throws NoSuchAlgorithmException,
+ InvalidAlgorithmParameterException, XMLSignatureException,
+ MarshalException {
+
+ XMLSignatureFactory signatureFactory = XMLSignatureFactory.getInstance();
+
+ KeyInfoFactory keyInfoFactory = KeyInfoFactory.getInstance();
+
+ List<Reference> references = new ArrayList<Reference>();
+
+ // Reference #1
+
+ Map<String, String> prefixMap = new HashMap<String, String>();
+ prefixMap.put("pr", "http://reference.e-government.gv.at/namespace/persondata/20020228#");
+ List<Transform> transforms1 = new ArrayList<Transform>();
+ transforms1.add(signatureFactory.newTransform(Transform.XPATH,
+ new XPathFilterParameterSpec(
+ "not(ancestor-or-self::pr:Identification)", prefixMap)));
+ transforms1.add(signatureFactory.newTransform(Transform.ENVELOPED, (TransformParameterSpec) null));
+ DigestMethod digestMethod1 = signatureFactory.newDigestMethod(DigestMethod.SHA1, null);
+ references.add(signatureFactory.newReference("", digestMethod1, transforms1, null, null));
+
+ // Reference (Manifest)
+
+ DigestMethod digestMethod2 = signatureFactory.newDigestMethod(DigestMethod.SHA1, null);
+ references.add(signatureFactory.newReference("#manifest", digestMethod2, null, Manifest.TYPE, null));
+
+ CanonicalizationMethod canonicalizationMethod = signatureFactory
+ .newCanonicalizationMethod(CanonicalizationMethod.EXCLUSIVE,
+ (C14NMethodParameterSpec) null);
+
+ SignatureMethod signatureMethod;
+ String algorithm = key.getAlgorithm();
+ if ("RSA".equalsIgnoreCase(algorithm)) {
+ signatureMethod = signatureFactory.newSignatureMethod(SignatureMethod.RSA_SHA1, null);
+ } else if ("ECDSA".equalsIgnoreCase(algorithm) || "EC".equalsIgnoreCase(algorithm)) {
+ signatureMethod = signatureFactory.newSignatureMethod(XmldsigMore.SIGNATURE_ECDSA_SHA1, null);
+ } else if ("DSA".equalsIgnoreCase(algorithm)) {
+ signatureMethod = signatureFactory.newSignatureMethod(SignatureMethod.DSA_SHA1, null);
+ } else {
+ throw new NoSuchAlgorithmException("Algorithm '" + algorithm + "' not supported.");
+ }
+
+ SignedInfo signedInfo = signatureFactory.newSignedInfo(canonicalizationMethod, signatureMethod, references);
+
+
+ X509Data x509Data = keyInfoFactory.newX509Data(Collections.singletonList(certificate));
+ KeyInfo keyInfo = keyInfoFactory.newKeyInfo(Collections.singletonList(x509Data));
+
+ // Manifest
+
+ Map<String, String> manifestPrefixMap = new HashMap<String, String>();
+ manifestPrefixMap.put("dsig", XMLSignature.XMLNS);
+ List<Transform> manifestTransforms = Collections
+ .singletonList(signatureFactory.newTransform(Transform.XPATH,
+ new XPathFilterParameterSpec(
+ "not(ancestor-or-self::dsig:Signature)", manifestPrefixMap)));
+ Reference manifestReference = signatureFactory.newReference("",
+ signatureFactory.newDigestMethod(DigestMethod.SHA1, null),
+ manifestTransforms, null, null);
+
+ Manifest manifest = signatureFactory.newManifest(Collections
+ .singletonList(manifestReference), "manifest");
+
+ XMLObject xmlObject = signatureFactory.newXMLObject(Collections
+ .singletonList(manifest), null, null, null);
+
+ XMLSignature xmlSignature = signatureFactory.newXMLSignature(signedInfo,
+ keyInfo, Collections.singletonList(xmlObject), null, null);
+
+ DOMSignContext signContext = new DOMSignContext(key, assertion);
+
+ if (log.isTraceEnabled()) {
+ signContext.setProperty("javax.xml.crypto.dsig.cacheReference", Boolean.TRUE);
+ }
+
+ xmlSignature.sign(signContext);
+
+ if (log.isDebugEnabled()) {
+
+ try {
+
+ TransformerFactory tf = TransformerFactory.newInstance();
+ Transformer transformer = tf.newTransformer();
+
+ StringWriter writer = new StringWriter();
+
+ transformer.transform(new DOMSource(assertion), new StreamResult(writer));
+
+ log.debug(writer.toString());
+
+ } catch (Exception e) {
+ log.debug(e);
+ }
+
+ }
+
+ if (log.isTraceEnabled()) {
+
+ StringBuilder sb = new StringBuilder();
+
+ sb.append("Digest input data:\n\n");
+
+ try {
+
+ Iterator<Reference> refs = references.iterator();
+ for (int i = 0; refs.hasNext(); i++) {
+ Reference reference = (Reference) refs.next();
+ sb.append("Reference " + i + "\n");
+
+ Reader reader = new InputStreamReader(reference
+ .getDigestInputStream(), Charset.forName("UTF-8"));
+ char c[] = new char[512];
+ for (int l; (l = reader.read(c)) != -1;) {
+ sb.append(c, 0, l);
+ }
+ sb.append("\n");
+ }
+
+ sb.append("Manifest Reference\n");
+
+ Reader reader = new InputStreamReader(manifestReference
+ .getDigestInputStream(), Charset.forName("UTF-8"));
+ char c[] = new char[512];
+ for (int l; (l = reader.read(c)) != -1;) {
+ sb.append(c, 0, l);
+ }
+
+ } catch (Exception e) {
+ sb.append(e.getMessage());
+ }
+
+ log.trace(sb.toString());
+ }
+
+ }
+
+}