diff options
Diffstat (limited to 'bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect')
18 files changed, 3731 insertions, 0 deletions
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactory.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactory.java new file mode 100644 index 00000000..d6cbaefa --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactory.java @@ -0,0 +1,79 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+
+import javax.xml.crypto.AlgorithmMethod;
+import javax.xml.crypto.dsig.CanonicalizationMethod;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.SignatureMethod;
+
+/**
+ * A factory for creating {@link AlgorithmMethod}s.
+ *
+ * @author mcentner
+ */
+public interface AlgorithmMethodFactory {
+
+ /**
+ * Creates a new DigestMethod for the given <code>signatureContext</code>.
+ *
+ * @param signatureContext
+ * the signature context
+ *
+ * @return a DigestMethod for the given <code>signatureContext</code>
+ *
+ * @throws NoSuchAlgorithmException
+ * @throws InvalidAlgorithmParameterException
+ */
+ public DigestMethod createDigestMethod(SignatureContext signatureContext)
+ throws NoSuchAlgorithmException, InvalidAlgorithmParameterException;
+
+ /**
+ * Creates a new SignatureMethod for the given <code>signatureContext</code>.
+ *
+ * @param signatureContext
+ * the signature context
+ *
+ * @return a SignatureMethod for the given <code>signatureContext</code>
+ *
+ * @throws NoSuchAlgorithmException
+ * @throws InvalidAlgorithmParameterException
+ */
+ public SignatureMethod createSignatureMethod(SignatureContext signatureContext)
+ throws NoSuchAlgorithmException, InvalidAlgorithmParameterException;
+
+ /**
+ * Creates a new CanonicalizationMethod for the given
+ * <code>signatureContext</code>.
+ *
+ * @param signatureContext
+ * the signature context
+ *
+ * @return a CanonicalizationMethod for the given
+ * <code>signatureContext</code>
+ *
+ * @throws NoSuchAlgorithmException
+ * @throws InvalidAlgorithmParameterException
+ */
+ public CanonicalizationMethod createCanonicalizationMethod(
+ SignatureContext signatureContext) throws NoSuchAlgorithmException,
+ InvalidAlgorithmParameterException;
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactoryImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactoryImpl.java new file mode 100644 index 00000000..6b963465 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/AlgorithmMethodFactoryImpl.java @@ -0,0 +1,125 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.XmldsigMore;
+
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.cert.X509Certificate;
+
+import javax.xml.crypto.dsig.CanonicalizationMethod;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.SignatureMethod;
+import javax.xml.crypto.dsig.spec.C14NMethodParameterSpec;
+import javax.xml.crypto.dsig.spec.DigestMethodParameterSpec;
+import javax.xml.crypto.dsig.spec.SignatureMethodParameterSpec;
+
+/**
+ * An implementation of the AlgorithmMethod factory that uses the signing
+ * certificate to choose appropriate algorithms.
+ *
+ * @author mcentner
+ */
+public class AlgorithmMethodFactoryImpl implements AlgorithmMethodFactory {
+
+ /**
+ * The signature algorithm URI.
+ */
+ private String signatureAlgorithmURI;
+
+ /**
+ * The algorithm parameters for the signature algorithm.
+ */
+ private SignatureMethodParameterSpec signatureMethodParameterSpec;
+
+ /**
+ * Creates a new AlgrithmMethodFactory with the given
+ * <code>signingCertificate</code>.
+ *
+ * @param siginingCertificate
+ *
+ * @throws NoSuchAlgorithmException
+ * if the public key algorithm of the given
+ * <code>signingCertificate</code> is not supported
+ */
+ public AlgorithmMethodFactoryImpl(X509Certificate siginingCertificate)
+ throws NoSuchAlgorithmException {
+
+ String algorithm = siginingCertificate.getPublicKey().getAlgorithm();
+
+ if ("DSA".equals(algorithm)) {
+ signatureAlgorithmURI = SignatureMethod.DSA_SHA1;
+ } else if ("RSA".equals(algorithm)) {
+ signatureAlgorithmURI = SignatureMethod.RSA_SHA1;
+ } else if (("EC".equals(algorithm)) || ("ECDSA".equals(algorithm))) {
+ signatureAlgorithmURI = XmldsigMore.SIGNATURE_ECDSA_SHA1;
+ } else {
+ throw new NoSuchAlgorithmException("Public key algorithm '" + algorithm
+ + "' not supported.");
+ }
+
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @seeat.gv.egiz.bku.slcommands.impl.xsect.AlgorithmMethodFactory#
+ * createCanonicalizationMethod
+ * (at.gv.egiz.bku.slcommands.impl.xsect.SignatureContext)
+ */
+ @Override
+ public CanonicalizationMethod createCanonicalizationMethod(
+ SignatureContext signatureContext) throws NoSuchAlgorithmException,
+ InvalidAlgorithmParameterException {
+
+ return signatureContext.getSignatureFactory().newCanonicalizationMethod(
+ CanonicalizationMethod.EXCLUSIVE, (C14NMethodParameterSpec) null);
+
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.slcommands.impl.xsect.AlgorithmMethodFactory#createDigestMethod
+ * (at.gv.egiz.bku.slcommands.impl.xsect.SignatureContext)
+ */
+ @Override
+ public DigestMethod createDigestMethod(SignatureContext signatureContext)
+ throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
+
+ return signatureContext.getSignatureFactory().newDigestMethod(
+ DigestMethod.SHA1, (DigestMethodParameterSpec) null);
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @seeat.gv.egiz.bku.slcommands.impl.xsect.AlgorithmMethodFactory#
+ * createSignatureMethod
+ * (at.gv.egiz.bku.slcommands.impl.xsect.SignatureContext)
+ */
+ @Override
+ public SignatureMethod createSignatureMethod(SignatureContext signatureContext)
+ throws NoSuchAlgorithmException, InvalidAlgorithmParameterException {
+
+ return signatureContext.getSignatureFactory().newSignatureMethod(
+ signatureAlgorithmURI, signatureMethodParameterSpec);
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java new file mode 100644 index 00000000..a6473a05 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/ByteArrayDereferencer.java @@ -0,0 +1,65 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.io.ByteArrayInputStream;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.OctetStreamData;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReference;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+
+/**
+ * An URIDereferencer implementation that dereferences the given
+ * byte array.
+ *
+ * @author mcentner
+ */
+public class ByteArrayDereferencer implements URIDereferencer {
+
+ /**
+ * The dereferenced data.
+ */
+ protected byte[] dereferencedData;
+
+ /**
+ * Creates a new instance of this ByteArrayDereferencer with
+ * the given <code>dereferencedData</code>.
+ *
+ * @param dereferencedData the octets to be returned by {@link #dereference(URIReference, XMLCryptoContext)}
+ *
+ * @throws NullPointerException if <code>dereferencedData</code> is <code>null</code>
+ */
+ public ByteArrayDereferencer(byte[] dereferencedData) {
+ if (dereferencedData == null) {
+ throw new NullPointerException("Parameter 'dereferencedData' must not be null.");
+ }
+ this.dereferencedData = dereferencedData;
+ }
+
+ /* (non-Javadoc)
+ * @see javax.xml.crypto.URIDereferencer#dereference(javax.xml.crypto.URIReference, javax.xml.crypto.XMLCryptoContext)
+ */
+ @Override
+ public Data dereference(URIReference uriReference, XMLCryptoContext context)
+ throws URIReferenceException {
+ return new OctetStreamData(new ByteArrayInputStream(dereferencedData));
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/DataObject.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/DataObject.java new file mode 100644 index 00000000..d25f2526 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/DataObject.java @@ -0,0 +1,1006 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.dom.DOMCryptoContext;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.SequenceInputStream;
+import java.io.StringWriter;
+import java.io.UnsupportedEncodingException;
+import java.net.URISyntaxException;
+import java.nio.charset.Charset;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.crypto.MarshalException;
+import javax.xml.crypto.dom.DOMStructure;
+import javax.xml.crypto.dsig.CanonicalizationMethod;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.Reference;
+import javax.xml.crypto.dsig.Transform;
+import javax.xml.crypto.dsig.XMLObject;
+import javax.xml.crypto.dsig.spec.TransformParameterSpec;
+import javax.xml.crypto.dsig.spec.XPathFilter2ParameterSpec;
+import javax.xml.crypto.dsig.spec.XPathType;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.w3c.dom.DOMConfiguration;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.DocumentFragment;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.Text;
+import org.w3c.dom.bootstrap.DOMImplementationRegistry;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSException;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSOutput;
+import org.w3c.dom.ls.LSParser;
+import org.w3c.dom.ls.LSSerializer;
+
+import at.buergerkarte.namespaces.securitylayer._1.Base64XMLLocRefOptRefContentType;
+import at.buergerkarte.namespaces.securitylayer._1.DataObjectInfoType;
+import at.buergerkarte.namespaces.securitylayer._1.MetaInfoType;
+import at.buergerkarte.namespaces.securitylayer._1.TransformsInfoType;
+import at.gv.egiz.bku.binding.HttpUtil;
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.bku.slexceptions.SLRequestException;
+import at.gv.egiz.bku.slexceptions.SLRuntimeException;
+import at.gv.egiz.bku.utils.urldereferencer.StreamData;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer;
+import at.gv.egiz.dom.DOMUtils;
+import at.gv.egiz.slbinding.impl.XMLContentType;
+
+/**
+ * This class represents a <code>DataObject</code> of an XML-Signature
+ * created by the security layer command <code>CreateXMLSignature</code>.
+ *
+ * @author mcentner
+ */
+public class DataObject {
+
+ /**
+ * Logging facility.
+ */
+ private static Log log = LogFactory.getLog(DataObject.class);
+
+ /**
+ * DOM Implementation.
+ */
+ private static final String DOM_LS_3_0 = "LS 3.0";
+
+ /**
+ * The array of the default preferred MIME type order.
+ */
+ private static final String[] DEFAULT_PREFFERED_MIME_TYPES =
+ new String[] {
+ "application/xhtml+xml",
+ "text/plain"
+ };
+
+ /**
+ * The DOM implementation used.
+ */
+ private DOMImplementationLS domImplLS;
+
+ /**
+ * The signature context.
+ */
+ private SignatureContext ctx;
+
+ /**
+ * The Reference for this DataObject.
+ */
+ private XSECTReference reference;
+
+ /**
+ * The XMLObject for this DataObject.
+ */
+ private XMLObject xmlObject;
+
+ /**
+ * The MIME-Type of the digest input.
+ */
+ private String mimeType;
+
+ /**
+ * An optional description of the digest input.
+ */
+ private String description;
+
+ /**
+ * Creates a new instance.
+ *
+ * @param document the document of the target signature
+ */
+ public DataObject(SignatureContext signatureContext) {
+ this.ctx = signatureContext;
+
+ DOMImplementationRegistry registry;
+ try {
+ registry = DOMImplementationRegistry.newInstance();
+ } catch (Exception e) {
+ log.error("Failed to get DOMImplementationRegistry.", e);
+ throw new SLRuntimeException("Failed to get DOMImplementationRegistry.");
+ }
+
+ domImplLS = (DOMImplementationLS) registry.getDOMImplementation(DOM_LS_3_0);
+ if (domImplLS == null) {
+ log.error("Failed to get DOMImplementation " + DOM_LS_3_0);
+ throw new SLRuntimeException("Failed to get DOMImplementation " + DOM_LS_3_0);
+ }
+
+ }
+
+ /**
+ * @return the reference
+ */
+ public Reference getReference() {
+ return reference;
+ }
+
+ /**
+ * @return the xmlObject
+ */
+ public XMLObject getXmlObject() {
+ return xmlObject;
+ }
+
+ /**
+ * @return the mimeType
+ */
+ public String getMimeType() {
+ return mimeType;
+ }
+
+ /**
+ * @return the description
+ */
+ public String getDescription() {
+ return description;
+ }
+
+ /**
+ * Configures this DataObject with the information provided within the given
+ * <code>sl:DataObjectInfo</code>.
+ *
+ * @param dataObjectInfo
+ * the <code>sl:DataObjectInfo</code>
+ *
+ * @throws SLCommandException
+ * if configuring this DataObject with the information provided in
+ * the <code>sl:DataObjectInfo</code> fails.
+ * @throws SLRequestException
+ * if the information provided in the <code>sl:DataObjectInfo</code>
+ * does not conform to the security layer specification.
+ * @throws NullPointerException
+ * if <code>dataObjectInfo</code> is <code>null</code>
+ */
+ public void setDataObjectInfo(DataObjectInfoType dataObjectInfo) throws SLCommandException, SLRequestException {
+
+ Base64XMLLocRefOptRefContentType dataObject = dataObjectInfo.getDataObject();
+ String structure = dataObjectInfo.getStructure();
+
+ // select and unmarshal an appropriate transformation path if provided
+ // and set the final data meta information
+ XSECTTransforms transforms = createTransformsAndSetFinalDataMetaInfo(dataObjectInfo.getTransformsInfo());
+
+ if ("enveloping".equals(structure)) {
+
+ // configure this DataObject as an enveloped DataObject
+ setEnvelopedDataObject(dataObject, transforms);
+
+ } else if ("detached".equals(structure)) {
+
+ // configure this DataObject as an detached DataObject
+ setDetachedDataObject(dataObject, transforms);
+
+ }
+ // other values are not allowed by the schema and are therefore ignored
+
+ }
+
+ /**
+ * Configures this DataObject as an enveloped DataObject with the information
+ * provided within the given <code>sl:DataObject</code>.
+ *
+ * @param dataObject
+ * the <code>sl:DataObject</code>
+ * @param transforms
+ * an optional <code>Transforms</code> element (may be
+ * <code>null</code>)
+ *
+ * @throws SLCommandException
+ * if configuring this DataObject with the information provided in
+ * the <code>sl:DataObject</code> fails.
+ * @throws SLRequestException
+ * if the information provided in the <code>sl:DataObject</code>
+ * does not conform to the security layer specification.
+ * @throws NullPointerException
+ * if <code>dataObject</code> is <code>null</code>
+ */
+ private void setEnvelopedDataObject(
+ Base64XMLLocRefOptRefContentType dataObject, XSECTTransforms transforms)
+ throws SLCommandException, SLRequestException {
+
+ String reference = dataObject.getReference();
+ if (reference == null) {
+ //
+ // case A
+ //
+ // The Reference attribute is not used; the content of sl:DataObject represents the data object.
+ // If the data object is XML-coded (the sl:XMLContent element is used in sl:DataObject), then it
+ // must be incorporated in the signature structure as parsed XML.
+ //
+
+ if (dataObject.getBase64Content() != null) {
+
+ log.debug("Adding DataObject (Base64Content) without a reference URI.");
+
+ // create XMLObject
+ XMLObject xmlObject = createXMLObject(new ByteArrayInputStream(dataObject.getBase64Content()));
+
+ setXMLObjectAndReferenceBase64(xmlObject, transforms);
+
+ } else if (dataObject.getXMLContent() != null) {
+
+ log.debug("Adding DataObject (XMLContent) without a reference URI.");
+
+ // create XMLObject
+ DocumentFragment content = parseDataObject((XMLContentType) dataObject.getXMLContent());
+ XMLObject xmlObject = createXMLObject(content);
+
+ setXMLObjectAndReferenceXML(xmlObject, transforms);
+
+ } else if (dataObject.getLocRefContent() != null) {
+
+ log.debug("Adding DataObject (LocRefContent) without a reference URI.");
+
+ setEnvelopedDataObject(dataObject.getLocRefContent(), transforms);
+
+ } else {
+
+ // not allowed
+ log.info("XML structure of the command request contains an " +
+ "invalid combination of optional elements or attributes. " +
+ "DataObject of structure='enveloped' without a reference must contain content.");
+ throw new SLRequestException(3003);
+
+ }
+
+ } else {
+
+ if (dataObject.getBase64Content() == null &&
+ dataObject.getXMLContent() == null &&
+ dataObject.getLocRefContent() == null) {
+
+ //
+ // case B
+ //
+ // The Reference attribute contains a URI that must be resolved by the
+ // Citizen Card Environment to obtain the data object.
+ // The content of sl:DataObject remains empty
+ //
+
+ log.debug("Adding DataObject from reference URI '" + reference + "'.");
+
+ setEnvelopedDataObject(reference, transforms);
+
+ } else {
+
+ // not allowed
+ log.info("XML structure of the command request contains an " +
+ "invalid combination of optional elements or attributes. " +
+ "DataObject of structure='enveloped' with reference must not contain content.");
+ throw new SLRequestException(3003);
+
+ }
+
+
+ }
+
+ }
+
+ /**
+ * Configures this DataObject as an enveloped DataObject with the content to
+ * be dereferenced from the given <code>reference</code>.
+ *
+ * @param reference
+ * the <code>reference</code> URI
+ * @param transforms
+ * an optional <code>Transforms</code> element (may be
+ * <code>null</code>)
+ *
+ * @throws SLCommandException
+ * if dereferencing the given <code>reference</code> fails, or if
+ * configuring this DataObject with the data dereferenced from the
+ * given <code>reference</code> fails.
+ * @throws NullPointerException
+ * if <code>reference</code> is <code>null</code>
+ */
+ private void setEnvelopedDataObject(String reference, XSECTTransforms transforms) throws SLCommandException {
+
+ if (reference == null) {
+ throw new NullPointerException("Argument 'reference' must not be null.");
+ }
+
+ // dereference URL
+ URLDereferencer dereferencer = URLDereferencer.getInstance();
+
+ StreamData streamData;
+ try {
+ streamData = dereferencer.dereference(reference, ctx.getDereferencerContext());
+ } catch (IOException e) {
+ log.info("Failed to dereference XMLObject from '" + reference + "'.", e);
+ throw new SLCommandException(4110);
+ }
+
+ Node childNode;
+
+ String contentType = streamData.getContentType();
+ if (contentType.startsWith("text/xml")) {
+
+ // If content type is text/xml parse content.
+ String charset = HttpUtil.getCharset(contentType, true);
+
+ Document doc = parseDataObject(streamData.getStream(), charset);
+
+ childNode = doc.getDocumentElement();
+
+ if (childNode == null) {
+ log.info("Failed to parse XMLObject from '" + reference + "'.");
+ throw new SLCommandException(4111);
+ }
+
+ XMLObject xmlObject = createXMLObject(childNode);
+
+ setXMLObjectAndReferenceXML(xmlObject, transforms);
+
+ } else {
+
+ // Include content Base64 encoded.
+ XMLObject xmlObject = createXMLObject(streamData.getStream());
+
+ setXMLObjectAndReferenceBase64(xmlObject, transforms);
+
+ }
+
+ }
+
+ /**
+ * Configures this DataObject as an detached DataObject with the information
+ * provided in the given <code>sl:DataObject</code> and optionally
+ * <code>transforms</code>.
+ *
+ * @param dataObject
+ * the <code>sl:DataObject</code>
+ * @param transforms
+ * an optional Transforms object, may be <code>null</code>
+ *
+ * @throws SLCommandException
+ * if configuring this DataObject with the information provided in
+ * the <code>sl:DataObject</code> fails.
+ * @throws SLRequestException
+ * if the information provided in the <code>sl:DataObject</code>
+ * does not conform to the security layer specification.
+ * @throws NullPointerException
+ * if <code>dataObject</code> is <code>null</code>
+ */
+ private void setDetachedDataObject(
+ Base64XMLLocRefOptRefContentType dataObject, XSECTTransforms transforms)
+ throws SLCommandException, SLRequestException {
+
+ String referenceURI = dataObject.getReference();
+
+ if (referenceURI == null) {
+
+ // not allowed
+ log.info("XML structure of the command request contains an " +
+ "invalid combination of optional elements or attributes. " +
+ "DataObject of structure='detached' must contain a reference.");
+ throw new SLRequestException(3003);
+
+ } else {
+
+ DigestMethod dm;
+ try {
+ dm = ctx.getAlgorithmMethodFactory().createDigestMethod(ctx);
+ } catch (NoSuchAlgorithmException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ } catch (InvalidAlgorithmParameterException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ }
+
+ String idValue = ctx.getIdValueFactory().createIdValue("Reference");
+
+ reference = new XSECTReference(referenceURI, dm, transforms, null, idValue);
+
+ // case D:
+ //
+ // The Reference attribute contains a URI that is used by the Citizen Card
+ // Environment to code the reference to the data object as part of the XML
+ // signature (attribute URI in the dsig:Reference) element. The content of
+ // sl:DataObject represents the data object.
+
+ if (dataObject.getLocRefContent() != null) {
+ String locRef = dataObject.getLocRefContent();
+ try {
+ this.reference.setDereferencer(new LocRefDereferencer(ctx.getDereferencerContext(), locRef));
+ } catch (URISyntaxException e) {
+ log.info("Invalid URI '" + locRef + "' in DataObject.", e);
+ throw new SLCommandException(4003);
+ } catch (IllegalArgumentException e) {
+ log.info("LocRef URI of '" + locRef + "' not supported in DataObject. ", e);
+ throw new SLCommandException(4003);
+ }
+ } else if (dataObject.getBase64Content() != null) {
+ byte[] base64Content = dataObject.getBase64Content();
+ this.reference.setDereferencer(new ByteArrayDereferencer(base64Content));
+ } else if (dataObject.getXMLContent() != null) {
+ XMLContentType xmlContent = (XMLContentType) dataObject.getXMLContent();
+ byte[] bytes = xmlContent.getRedirectedStream().toByteArray();
+ this.reference.setDereferencer(new ByteArrayDereferencer(bytes));
+ } else {
+
+ // case C:
+ //
+ // The Reference attribute contains a URI that must be resolved by the
+ // Citizen Card Environment to obtain the data object. The Reference
+ // attribute contains a URI that is used by the Citizen Card Environment
+ // to code the reference to the data object as part of the XML signature
+ // (attribute URI in the dsig:Reference) element. The content of
+ // sl:DataObject remains empty.
+
+ }
+
+ }
+ }
+
+ /**
+ * Returns the preferred <code>sl:TransformInfo</code> from the given list of
+ * <code>transformInfos</code>, or <code>null</code> if none of the given
+ * <code>transformInfos</code> is preferred over the others.
+ *
+ * @param transformsInfos
+ * a list of <code>sl:TransformInfo</code>s
+ *
+ * @return the selected <code>sl:TransformInfo</code> or <code>null</code>, if
+ * none is preferred over the others
+ */
+ private TransformsInfoType selectPreferredTransformsInfo(List<TransformsInfoType> transformsInfos) {
+
+ Map<String, TransformsInfoType> mimeTypes = new HashMap<String, TransformsInfoType>();
+
+ StringBuilder debugString = null;
+ if (log.isDebugEnabled()) {
+ debugString = new StringBuilder();
+ debugString.append("Got " + transformsInfos.size() + " TransformsInfo(s):");
+ }
+
+ for (TransformsInfoType transformsInfoType : transformsInfos) {
+ MetaInfoType finalDataMetaInfo = transformsInfoType.getFinalDataMetaInfo();
+ String mimeType = finalDataMetaInfo.getMimeType();
+ String description = finalDataMetaInfo.getDescription();
+ mimeTypes.put(mimeType, transformsInfoType);
+ if (debugString != null) {
+ debugString.append("\n FinalDataMetaInfo: MIME-Type=");
+ debugString.append(mimeType);
+ if (description != null) {
+ debugString.append(" ");
+ debugString.append(description);
+ }
+ }
+ }
+
+ if (debugString != null) {
+ log.debug(debugString);
+ }
+
+ // look for preferred transform
+ for (String mimeType : DEFAULT_PREFFERED_MIME_TYPES) {
+ if (mimeTypes.containsKey(mimeType)) {
+ return mimeTypes.get(mimeType);
+ }
+ }
+
+ // no preferred transform
+ return null;
+
+ }
+
+ /**
+ * Create an instance of <code>ds:Transforms</code> from the given
+ * <code>sl:TransformsInfo</code>.
+ *
+ * @param transformsInfo
+ * the <code>sl:TransformsInfo</code>
+ *
+ * @return a corresponding unmarshalled <code>ds:Transforms</code>, or
+ * <code>null</code> if the given <code>sl:TransformsInfo</code> does
+ * not contain a <code>dsig:Transforms</code> element
+ *
+ * @throws SLRequestException
+ * if the <code>ds:Transforms</code> in the given
+ * <code>transformsInfo</code> are not valid or cannot be parsed.
+ *
+ * @throws MarshalException
+ * if the <code>ds:Transforms</code> in the given
+ * <code>transformsInfo</code> cannot be unmarshalled.
+ */
+ private XSECTTransforms createTransforms(TransformsInfoType transformsInfo) throws SLRequestException, MarshalException {
+
+ ByteArrayOutputStream redirectedStream = ((at.gv.egiz.slbinding.impl.TransformsInfoType) transformsInfo).getRedirectedStream();
+ byte[] transformBytes = (redirectedStream != null) ? redirectedStream.toByteArray() : null;
+
+ if (transformBytes != null && transformBytes.length > 0) {
+
+ // debug
+ if (log.isTraceEnabled()) {
+ StringBuilder sb = new StringBuilder();
+ sb.append("Trying to parse transforms:\n");
+ sb.append(new String(transformBytes, Charset.forName("UTF-8")));
+ log.trace(sb);
+ }
+
+ DOMImplementationLS domImplLS = DOMUtils.getDOMImplementationLS();
+ LSInput input = domImplLS.createLSInput();
+ input.setByteStream(new ByteArrayInputStream(transformBytes));
+
+ LSParser parser = domImplLS.createLSParser(
+ DOMImplementationLS.MODE_SYNCHRONOUS, null);
+ DOMConfiguration domConfig = parser.getDomConfig();
+ SimpleDOMErrorHandler errorHandler = new SimpleDOMErrorHandler();
+ domConfig.setParameter("error-handler", errorHandler);
+ domConfig.setParameter("validate", Boolean.FALSE);
+
+ Document document;
+ try {
+ document = parser.parse(input);
+ } catch (DOMException e) {
+ log.info("Failed to parse dsig:Transforms.", e);
+ throw new SLRequestException(3002);
+ } catch (LSException e) {
+ log.info("Failed to parse dsig:Transforms.", e);
+ throw new SLRequestException(3002);
+ }
+
+ // adopt ds:Transforms
+ Element documentElement = document.getDocumentElement();
+ Node adoptedTransforms = ctx.getDocument().adoptNode(documentElement);
+
+ DOMCryptoContext context = new DOMCryptoContext();
+
+ // unmarshall ds:Transforms
+ return new XSECTTransforms(context, adoptedTransforms);
+
+ } else {
+ return null;
+ }
+
+ }
+
+ /**
+ * Sets the <code>mimeType</code> and the <code>description</code> value
+ * for this DataObject.
+ *
+ * @param metaInfoType the <code>sl:FinalMetaDataInfo</code>
+ *
+ * @throws NullPointerException if <code>metaInfoType</code> is <code>null</code>
+ */
+ private void setFinalDataMetaInfo(MetaInfoType metaInfoType) {
+
+ this.mimeType = metaInfoType.getMimeType();
+ this.description = metaInfoType.getDescription();
+
+ }
+
+ /**
+ * Selects an appropriate transformation path (if present) from the given list
+ * of <code>sl:TransformInfos</code>, sets the corresponding final data meta info and
+ * returns the corresponding unmarshalled <code>ds:Transforms</code>.
+ *
+ * @param transformsInfos the <code>sl:TransformInfos</code>
+ *
+ * @return the unmarshalled <code>ds:Transforms</code>, or <code>null</code> if
+ * no transformation path has been selected.
+ *
+ * @throws SLRequestException if the given list <code>ds:TransformsInfo</code> contains
+ * an invalid <code>ds:Transforms</code> element, or no suitable transformation path
+ * can be found.
+ */
+ private XSECTTransforms createTransformsAndSetFinalDataMetaInfo(
+ List<TransformsInfoType> transformsInfos) throws SLRequestException {
+
+ TransformsInfoType preferredTransformsInfo = selectPreferredTransformsInfo(transformsInfos);
+ // try preferred transform
+ if (preferredTransformsInfo != null) {
+
+ try {
+ XSECTTransforms transforms = createTransforms(preferredTransformsInfo);
+ setFinalDataMetaInfo(preferredTransformsInfo.getFinalDataMetaInfo());
+ return transforms;
+ } catch (MarshalException e) {
+
+ String mimeType = preferredTransformsInfo.getFinalDataMetaInfo().getMimeType();
+ log.info("Failed to unmarshal preferred transformation path (MIME-Type="
+ + mimeType + ").", e);
+
+ }
+
+ }
+
+ // look for another suitable transformation path
+ for (TransformsInfoType transformsInfoType : transformsInfos) {
+
+ try {
+ XSECTTransforms transforms = createTransforms(transformsInfoType);
+ setFinalDataMetaInfo(transformsInfoType.getFinalDataMetaInfo());
+ return transforms;
+ } catch (MarshalException e) {
+
+ String mimeType = transformsInfoType.getFinalDataMetaInfo().getMimeType();
+ log.info("Failed to unmarshal transformation path (MIME-Type="
+ + mimeType + ").", e);
+ }
+
+ }
+
+ // no suitable transformation path found
+ throw new SLRequestException(3003);
+
+ }
+
+ /**
+ * Create an XMLObject with the Base64 encoding of the given
+ * <code>content</code>.
+ *
+ * @param content
+ * the to-be Base64 encoded content
+ * @return an XMLObject with the Base64 encoded <code>content</code>
+ */
+ private XMLObject createXMLObject(InputStream content) {
+
+ Text textNode;
+ try {
+ textNode = at.gv.egiz.dom.DOMUtils.createBase64Text(content, ctx.getDocument());
+ } catch (IOException e) {
+ log.error(e);
+ throw new SLRuntimeException(e);
+ }
+
+ DOMStructure structure = new DOMStructure(textNode);
+
+ String idValue = ctx.getIdValueFactory().createIdValue("Object");
+
+ return ctx.getSignatureFactory().newXMLObject(Collections.singletonList(structure), idValue, null, null);
+
+ }
+
+ /**
+ * Create an XMLObject with the given <code>content</code> node.
+ *
+ * @param content the content node
+ *
+ * @return an XMLObject with the given <code>content</code>
+ */
+ private XMLObject createXMLObject(Node content) {
+
+ String idValue = ctx.getIdValueFactory().createIdValue("Object");
+
+ List<DOMStructure> structures = Collections.singletonList(new DOMStructure(content));
+
+ return ctx.getSignatureFactory().newXMLObject(structures, idValue, null, null);
+
+ }
+
+ /**
+ * Sets the given <code>xmlObject</code> and creates and sets a corresponding
+ * <code>Reference</code>.
+ * <p>
+ * A transform to Base64-decode the xmlObject's content is inserted at the top
+ * of to the optional <code>transforms</code> if given, or to a newly created
+ * <code>Transforms</code> element if <code>transforms</code> is
+ * <code>null</code>.
+ *
+ * @param xmlObject
+ * the XMLObject
+ * @param transforms
+ * an optional <code>Transforms</code> element (may be
+ * <code>null</code>)
+ *
+ * @throws SLCommandException
+ * if creating the Reference fails
+ * @throws NullPointerException
+ * if <code>xmlObject</code> is <code>null</code>
+ */
+ private void setXMLObjectAndReferenceBase64(XMLObject xmlObject, XSECTTransforms transforms) throws SLCommandException {
+
+ // create reference URI
+ //
+ // NOTE: the ds:Object can be referenced directly, as the Base64 transform
+ // operates on the text() of the input nodelist.
+ //
+ String referenceURI = "#" + xmlObject.getId();
+
+ // create Base64 Transform
+ Transform transform;
+ try {
+ transform = ctx.getSignatureFactory().newTransform(Transform.BASE64, (TransformParameterSpec) null);
+ } catch (NoSuchAlgorithmException e) {
+ // algorithm must be present
+ throw new SLRuntimeException(e);
+ } catch (InvalidAlgorithmParameterException e) {
+ // algorithm does not take parameters
+ throw new SLRuntimeException(e);
+ }
+
+ if (transforms == null) {
+ transforms = new XSECTTransforms(Collections.singletonList(transform));
+ } else {
+ transforms.insertTransform(transform);
+ }
+
+ DigestMethod dm;
+ try {
+ dm = ctx.getAlgorithmMethodFactory().createDigestMethod(ctx);
+ } catch (NoSuchAlgorithmException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ } catch (InvalidAlgorithmParameterException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ }
+ String id = ctx.getIdValueFactory().createIdValue("Reference");
+
+ this.xmlObject = xmlObject;
+ this.reference = new XSECTReference(referenceURI, dm, transforms, null, id);
+
+ }
+
+ /**
+ * Sets the given <code>xmlObject</code> and creates and sets a corresponding
+ * <code>Reference</code>.
+ * <p>
+ * A transform to select the xmlObject's content is inserted at the top of to
+ * the optional <code>transforms</code> if given, or to a newly created
+ * <code>Transforms</code> element if <code>transforms</code> is
+ * <code>null</code>.
+ * </p>
+ *
+ * @param xmlObject
+ * the XMLObject
+ * @param transforms
+ * an optional <code>Transforms</code> element (may be
+ * <code>null</code>)
+ *
+ * @throws SLCommandException
+ * if creating the Reference fails
+ * @throws NullPointerException
+ * if <code>xmlObject</code> is <code>null</code>
+ */
+ private void setXMLObjectAndReferenceXML(XMLObject xmlObject, XSECTTransforms transforms) throws SLCommandException {
+
+ // create reference URI
+ String referenceURI = "#" + xmlObject.getId();
+
+ // create Transform to select ds:Object's children
+ Transform xpathTransform;
+ Transform c14nTransform;
+ try {
+
+ XPathType xpath = new XPathType("id(\"" + xmlObject.getId() + "\")/node()", XPathType.Filter.INTERSECT);
+ List<XPathType> xpaths = Collections.singletonList(xpath);
+ XPathFilter2ParameterSpec params = new XPathFilter2ParameterSpec(xpaths);
+
+ xpathTransform = ctx.getSignatureFactory().newTransform(Transform.XPATH2, params);
+
+ // add exclusive canonicalization to avoid signing the namespace context of the ds:Object
+ c14nTransform = ctx.getSignatureFactory().newTransform(CanonicalizationMethod.EXCLUSIVE, (TransformParameterSpec) null);
+
+ } catch (NoSuchAlgorithmException e) {
+ // algorithm must be present
+ throw new SLRuntimeException(e);
+ } catch (InvalidAlgorithmParameterException e) {
+ // params must be appropriate
+ throw new SLRuntimeException(e);
+ }
+
+ if (transforms == null) {
+ List<Transform> newTransfroms = new ArrayList<Transform>();
+ newTransfroms.add(xpathTransform);
+ newTransfroms.add(c14nTransform);
+ transforms = new XSECTTransforms(newTransfroms);
+ } else {
+ transforms.insertTransform(xpathTransform);
+ }
+
+ DigestMethod dm;
+ try {
+ dm = ctx.getAlgorithmMethodFactory().createDigestMethod(ctx);
+ } catch (NoSuchAlgorithmException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ } catch (InvalidAlgorithmParameterException e) {
+ log.error("Failed to get DigestMethod.", e);
+ throw new SLCommandException(4006);
+ }
+ String id = ctx.getIdValueFactory().createIdValue("Reference");
+
+ this.xmlObject = xmlObject;
+ this.reference = new XSECTReference(referenceURI, dm, transforms, null, id);
+
+ }
+
+ /**
+ * Parses the given <code>xmlContent</code> and returns a corresponding
+ * document fragment.
+ *
+ * <p>
+ * The to-be parsed content is surrounded by <dummy> ... </dummy> elements to
+ * allow for mixed (e.g. Text and Element) content in XMLContent.
+ * </p>
+ *
+ * @param xmlContent
+ * the XMLContent to-be parsed
+ *
+ * @return a document fragment containing the parsed nodes
+ *
+ * @throws SLCommandException
+ * if parsing the given <code>xmlContent</code> fails
+ *
+ * @throws NullPointerException
+ * if <code>xmlContent</code> is <code>null</code>
+ */
+ private DocumentFragment parseDataObject(XMLContentType xmlContent) throws SLCommandException {
+
+ ByteArrayOutputStream redirectedStream = xmlContent.getRedirectedStream();
+
+ // Note: We can assume a fixed character encoding of UTF-8 for the
+ // content of the redirect stream as the content has already been parsed
+ // and serialized again to the redirect stream.
+
+ List<InputStream> inputStreams = new ArrayList<InputStream>();
+ try {
+ // dummy start element
+ inputStreams.add(new ByteArrayInputStream("<dummy>".getBytes("UTF-8")));
+
+ // content
+ inputStreams.add(new ByteArrayInputStream(redirectedStream.toByteArray()));
+
+ // dummy end element
+ inputStreams.add(new ByteArrayInputStream("</dummy>".getBytes("UTF-8")));
+ } catch (UnsupportedEncodingException e) {
+ throw new SLRuntimeException(e);
+ }
+
+ SequenceInputStream inputStream = new SequenceInputStream(Collections.enumeration(inputStreams));
+
+ // parse DataObject
+ Document doc = parseDataObject(inputStream, "UTF-8");
+
+ Element documentElement = doc.getDocumentElement();
+
+ if (documentElement == null ||
+ !"dummy".equals(documentElement.getLocalName())) {
+ log.info("Failed to parse DataObject XMLContent.");
+ throw new SLCommandException(4111);
+ }
+
+ DocumentFragment fragment = doc.createDocumentFragment();
+ while (documentElement.getFirstChild() != null) {
+ fragment.appendChild(documentElement.getFirstChild());
+ }
+
+ // log parsed document
+ if (log.isTraceEnabled()) {
+
+ StringWriter writer = new StringWriter();
+
+ writer.write("DataObject:\n");
+
+ LSOutput output = domImplLS.createLSOutput();
+ output.setCharacterStream(writer);
+ output.setEncoding("UTF-8");
+ LSSerializer serializer = domImplLS.createLSSerializer();
+ serializer.getDomConfig().setParameter("xml-declaration", Boolean.FALSE);
+ serializer.write(fragment, output);
+
+ log.trace(writer.toString());
+ }
+
+ return fragment;
+
+ }
+
+ /**
+ * Parses the given <code>inputStream</code> using the given
+ * <code>encoding</code> and returns the parsed document.
+ *
+ * @param inputStream
+ * the to-be parsed input
+ *
+ * @param encoding
+ * the encoding to be used for parsing the given
+ * <code>inputStream</code>
+ *
+ * @return the parsed document
+ *
+ * @throws SLCommandException
+ * if parsing the <code>inputStream</code> fails.
+ *
+ * @throws NullPointerException
+ * if <code>inputStram</code> is <code>null</code>
+ */
+ private Document parseDataObject(InputStream inputStream, String encoding) throws SLCommandException {
+
+ LSInput input = domImplLS.createLSInput();
+ input.setByteStream(inputStream);
+
+ if (encoding != null) {
+ input.setEncoding(encoding);
+ }
+
+ LSParser parser = domImplLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
+ DOMConfiguration domConfig = parser.getDomConfig();
+ SimpleDOMErrorHandler errorHandler = new SimpleDOMErrorHandler();
+ domConfig.setParameter("error-handler", errorHandler);
+ domConfig.setParameter("validate", Boolean.FALSE);
+
+ Document doc;
+ try {
+ doc = parser.parse(input);
+ } catch (DOMException e) {
+ log.info("Existing XML document cannot be parsed.", e);
+ throw new SLCommandException(4111);
+ } catch (LSException e) {
+ log.info("Existing XML document cannot be parsed. ", e);
+ throw new SLCommandException(4111);
+ }
+
+ if (errorHandler.hasErrors()) {
+ // log errors
+ if (log.isInfoEnabled()) {
+ List<String> errorMessages = errorHandler.getErrorMessages();
+ StringBuffer sb = new StringBuffer();
+ for (String errorMessage : errorMessages) {
+ sb.append(" ");
+ sb.append(errorMessage);
+ }
+ log.info("Existing XML document cannot be parsed. " + sb.toString());
+ }
+ throw new SLCommandException(4111);
+ }
+
+ return doc;
+
+ }
+
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactory.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactory.java new file mode 100644 index 00000000..df42bd11 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactory.java @@ -0,0 +1,37 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+/**
+ * A factory for creating <code>xsd:Id</code>-attribute values.
+ *
+ * @author mcentner
+ */
+public interface IdValueFactory {
+
+ /**
+ * Creates a new <code>xsd:Id</code>-attribute value for an Element of the
+ * given <code>elementName</code>.
+ *
+ * @param elementName
+ * the local name of the element to create the value for
+ *
+ * @return a <code>xsd:Id</code>-attribute value
+ */
+ public String createIdValue(String elementName);
+
+}
\ No newline at end of file diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactoryImpl.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactoryImpl.java new file mode 100644 index 00000000..b9824655 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/IdValueFactoryImpl.java @@ -0,0 +1,127 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Random;
+
+/**
+ * An implementation of the IdValueFactory.
+ * <p>
+ * This IdValueFactory creates <code>xsd:Id</code>-attribute values of the form
+ * '<code><elementName>-<random>-<sequenceNumber></code>',
+ * where
+ * <ul>
+ * <li><code><elementName></code> is the name provided at
+ * {@link #createIdValue(String)},</li>
+ * <li><code><random></code> is a random generated fixed value for an
+ * instance of this IdValueFactory and</li>
+ * <li><code><sequenceNumber></code> is the sequence number of the value
+ * generated for a given <code>elementName</code> by an instance of this
+ * IdValueFactory.</li>
+ * </ul>
+ * </p>
+ *
+ * @author mcentner
+ */
+public class IdValueFactoryImpl implements IdValueFactory {
+
+ /**
+ * A generator for <code>xsd:Id</code>-attribute values.
+ *
+ * @author mcentner
+ */
+ private class IdGenerator {
+
+ /**
+ * The salt.
+ */
+ private String salt;
+
+ /**
+ * The element name.
+ */
+ private String elementName;
+
+ /**
+ * The sequence number.
+ */
+ private int i = 0;
+
+ /**
+ * Creates a new instance of this IdGenerator with the given
+ * <code>elementName</code> and <code>salt</code> value.
+ *
+ * @param elementName the element name
+ * @param salt the salt valeu
+ */
+ private IdGenerator(String elementName, String salt) {
+ super();
+ this.elementName = elementName;
+ this.salt = salt;
+ }
+
+ /**
+ * @return returns the next <code>xsd:Id</code>-attribute value.
+ */
+ public String getNextId() {
+ return elementName + "-" + salt + "-" + Integer.toString(++i);
+ }
+
+ }
+
+ /**
+ * A map of element names to <code>xsd:Id</code>-value generators.
+ */
+ private Map<String, IdGenerator> generators = new HashMap<String, IdGenerator>();
+
+ /**
+ * The seed value.
+ */
+ private String seed;
+
+ /**
+ * Creates a new instance of this IdValueFactory.
+ */
+ public IdValueFactoryImpl() {
+
+ Random random = new Random();
+ int rand = random.nextInt();
+ seed = Integer.toHexString(rand);
+
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * at.gv.egiz.bku.slcommands.impl.IdValueFactory#createIdValue(java.lang.String
+ * )
+ */
+ public String createIdValue(String elementName) {
+
+ IdGenerator generator = generators.get(elementName);
+ if (generator == null) {
+ generator = new IdGenerator(elementName, seed);
+ generators.put(elementName, generator);
+ }
+ return generator.getNextId();
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/LocRefDereferencer.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/LocRefDereferencer.java new file mode 100644 index 00000000..a6399c9b --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/LocRefDereferencer.java @@ -0,0 +1,113 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.OctetStreamData;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReference;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import at.gv.egiz.bku.utils.urldereferencer.StreamData;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencerContext;
+
+/**
+ * An URIDereferencer implementation that dereferences <code>LocRef</code>
+ * references.
+ *
+ * @author mcentner
+ */
+public class LocRefDereferencer implements URIDereferencer {
+
+ /**
+ * Logging facility.
+ */
+ private static Log log = LogFactory.getLog(LocRefDereferencer.class);
+
+ /**
+ * The <code>LocRef</code>-reference to be dereferenced by
+ * {@link #dereference(URIReference, XMLCryptoContext)}.
+ */
+ protected String locRef;
+
+ /**
+ * The context to be used for dereferencing.
+ */
+ protected URLDereferencerContext dereferencerContext;
+
+ /**
+ * Creates a new instance of this LocRefDereferencer with the given
+ * <code>dereferencerContext</code> and <code>locRef</code> reference.
+ *
+ * @param dereferencerContext
+ * the context to be used for dereferencing
+ * @param locRef
+ * the <code>LocRef</code>-reference (must be an absolute URI)
+ *
+ * @throws URISyntaxException
+ * if <code>LocRef</code> is not an absolute URI
+ */
+ public LocRefDereferencer(URLDereferencerContext dereferencerContext,
+ String locRef) throws URISyntaxException {
+
+ this.dereferencerContext = dereferencerContext;
+
+ URI locRefUri = new URI(locRef);
+ if (locRefUri.isAbsolute()) {
+ this.locRef = locRef;
+ } else {
+ throw new IllegalArgumentException(
+ "Parameter 'locRef' must be an absolut URI.");
+ }
+ }
+
+ /*
+ * (non-Javadoc)
+ *
+ * @see
+ * javax.xml.crypto.URIDereferencer#dereference(javax.xml.crypto.URIReference,
+ * javax.xml.crypto.XMLCryptoContext)
+ */
+ @Override
+ public Data dereference(URIReference uriReference, XMLCryptoContext context)
+ throws URIReferenceException {
+
+ URLDereferencer dereferencer = URLDereferencer.getInstance();
+ StreamData streamData;
+ try {
+ streamData = dereferencer.dereference(locRef, dereferencerContext);
+ } catch (IOException e) {
+ log.info("Failed to dereference URI'" + locRef + "'. " + e.getMessage(),
+ e);
+ throw new URIReferenceException("Failed to dereference URI '" + locRef
+ + "'. " + e.getMessage(), e);
+ }
+
+ return new OctetStreamData(streamData.getStream(), locRef, streamData
+ .getContentType());
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALPrivateKey.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALPrivateKey.java new file mode 100644 index 00000000..64c758c9 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALPrivateKey.java @@ -0,0 +1,122 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.security.PrivateKey;
+
+import at.gv.egiz.stal.STAL;
+import at.gv.egiz.stal.HashDataInputCallback;
+
+/**
+ * This class implements a private key used by the {@link STALSignature} class.
+ *
+ * @author mcentner
+ */
+public class STALPrivateKey implements PrivateKey {
+
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * The STAL implementation.
+ */
+ private STAL stal;
+
+ /**
+ * The callback interface for obtaining the hash input data.
+ */
+ private HashDataInputCallback hashDataInputCallback;
+
+ /**
+ * The keybox identifier.
+ */
+ private String keyboxIdentifier;
+
+ /**
+ * The signature algorithm.
+ */
+ private String algorithm;
+
+ /**
+ * Creates a new instance of this <code>STALPrivateKey</code> with the given
+ * <code>stal</code> implementation, signature <code>algorithm</code>,
+ * <code>keyboxIdentifier</code> and <code>hashDataInputCallback</code>
+ * interface.
+ *
+ * @param stal
+ * the STAL implementation
+ * @param algorithm
+ * the signature algorithm
+ * @param keyboxIdentifier
+ * the keybox identifier
+ * @param hashDataInputCallback
+ * the interface for obtaining the has input data
+ */
+ public STALPrivateKey(STAL stal,
+ String algorithm, String keyboxIdentifier, HashDataInputCallback hashDataInputCallback) {
+ super();
+ this.keyboxIdentifier = keyboxIdentifier;
+ this.hashDataInputCallback = hashDataInputCallback;
+ this.stal = stal;
+ this.algorithm = algorithm;
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.Key#getAlgorithm()
+ */
+ @Override
+ public String getAlgorithm() {
+ return algorithm;
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.Key#getEncoded()
+ */
+ @Override
+ public byte[] getEncoded() {
+ throw new UnsupportedOperationException("STALPrivateKey does not support the getEncoded() method.");
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.Key#getFormat()
+ */
+ @Override
+ public String getFormat() {
+ return null;
+ }
+
+ /**
+ * @return the STAL implementation
+ */
+ public STAL getStal() {
+ return stal;
+ }
+
+ /**
+ * @return the interface for obtaining the hash data input
+ */
+ public HashDataInputCallback getHashDataInputCallback() {
+ return hashDataInputCallback;
+ }
+
+ /**
+ * @return the keybox identifier
+ */
+ public String getKeyboxIdentifier() {
+ return keyboxIdentifier;
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALProvider.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALProvider.java new file mode 100644 index 00000000..0ab30530 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALProvider.java @@ -0,0 +1,64 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.XmldsigMore;
+
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.security.Provider;
+import java.security.Signature;
+import java.util.HashMap;
+import java.util.Map;
+
+import javax.xml.crypto.dsig.SignatureMethod;
+
+/**
+ * A security provider implementation that provides {@link Signature} implementations
+ * based on STAL.
+ *
+ * @author mcentner
+ */
+public class STALProvider extends Provider {
+
+ private static final long serialVersionUID = 1L;
+
+ private static String IMPL_PACKAGE_NAME = "at.gv.egiz.bku.slcommands.impl.xsect";
+
+ public STALProvider() {
+
+ super("STAL", 1.0, "Security Token Abstraction Layer Provider");
+
+ final Map<String, String> map = new HashMap<String, String>();
+
+ // TODO: register further algorithms
+ map.put("Signature." + SignatureMethod.RSA_SHA1,
+ IMPL_PACKAGE_NAME + ".STALSignature");
+ map.put("Signature." + XmldsigMore.SIGNATURE_ECDSA_SHA1,
+ IMPL_PACKAGE_NAME + ".STALSignature");
+
+ AccessController.doPrivileged(new PrivilegedAction<Void>() {
+ @Override
+ public Void run() {
+ putAll(map);
+ return null;
+ }
+ });
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignature.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignature.java new file mode 100644 index 00000000..f0fcb891 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignature.java @@ -0,0 +1,165 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.io.ByteArrayOutputStream;
+import java.security.InvalidKeyException;
+import java.security.InvalidParameterException;
+import java.security.PrivateKey;
+import java.security.PublicKey;
+import java.security.SignatureException;
+import java.security.SignatureSpi;
+import java.util.Collections;
+import java.util.List;
+
+import at.gv.egiz.stal.ErrorResponse;
+import at.gv.egiz.stal.STAL;
+import at.gv.egiz.stal.STALRequest;
+import at.gv.egiz.stal.STALResponse;
+import at.gv.egiz.stal.SignRequest;
+import at.gv.egiz.stal.SignResponse;
+import at.gv.egiz.stal.HashDataInputCallback;
+
+/**
+ * A signature service provider implementation that uses STAL to sign.
+ *
+ * @author mcentner
+ */
+public class STALSignature extends SignatureSpi {
+
+ /**
+ * The private key.
+ */
+ protected STALPrivateKey privateKey;
+
+ /**
+ * The to-be signed data.
+ */
+ protected ByteArrayOutputStream data = new ByteArrayOutputStream();
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineGetParameter(java.lang.String)
+ */
+ @Override
+ protected Object engineGetParameter(String param)
+ throws InvalidParameterException {
+ throw new InvalidParameterException();
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineInitSign(java.security.PrivateKey)
+ */
+ @Override
+ protected void engineInitSign(PrivateKey privateKey)
+ throws InvalidKeyException {
+
+ if (!(privateKey instanceof STALPrivateKey)) {
+ throw new InvalidKeyException("STALSignature supports STALKeys only.");
+ }
+
+ this.privateKey = (STALPrivateKey) privateKey;
+
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineInitVerify(java.security.PublicKey)
+ */
+ @Override
+ protected void engineInitVerify(PublicKey publicKey)
+ throws InvalidKeyException {
+
+ throw new UnsupportedOperationException("STALSignature does not support signature verification.");
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineSetParameter(java.lang.String, java.lang.Object)
+ */
+ @Override
+ protected void engineSetParameter(String param, Object value)
+ throws InvalidParameterException {
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineSign()
+ */
+ @Override
+ protected byte[] engineSign() throws SignatureException {
+
+ STAL stal = privateKey.getStal();
+
+ if (stal == null) {
+ throw new SignatureException("STALSignature requires the STALPrivateKey " +
+ "to provide a STAL implementation reference.");
+ }
+
+ HashDataInputCallback signRefDataSupplier = privateKey.getHashDataInputCallback();
+
+ String keyboxIdentifier = privateKey.getKeyboxIdentifier();
+
+ if (keyboxIdentifier == null) {
+ throw new SignatureException("STALSignature requires the STALPrivateKey " +
+ "to provide a KeyboxIdentifier.");
+ }
+
+ SignRequest signRequest = new SignRequest();
+ signRequest.setKeyIdentifier(keyboxIdentifier);
+ signRequest.setSignedInfo(data.toByteArray());
+ signRequest.setHashDataInput(signRefDataSupplier);
+
+ List<STALResponse> responses = stal.handleRequest(Collections.singletonList((STALRequest) signRequest));
+
+ if (responses == null || responses.size() != 1) {
+ throw new SignatureException("Failed to access STAL.");
+ }
+
+ STALResponse response = responses.get(0);
+ if (response instanceof SignResponse) {
+ return ((SignResponse) response).getSignatureValue();
+ } else if (response instanceof ErrorResponse) {
+ throw new STALSignatureException(((ErrorResponse) response).getErrorCode());
+ } else {
+ throw new SignatureException("Failed to access STAL.");
+ }
+
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineUpdate(byte)
+ */
+ @Override
+ protected void engineUpdate(byte b) throws SignatureException {
+ data.write(b);
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineUpdate(byte[], int, int)
+ */
+ @Override
+ protected void engineUpdate(byte[] b, int off, int len)
+ throws SignatureException {
+ data.write(b, off, len);
+ }
+
+ /* (non-Javadoc)
+ * @see java.security.SignatureSpi#engineVerify(byte[])
+ */
+ @Override
+ protected boolean engineVerify(byte[] sigBytes) throws SignatureException {
+ throw new UnsupportedOperationException("STALSignature des not support signature verification.");
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignatureException.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignatureException.java new file mode 100644 index 00000000..4e86b07c --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/STALSignatureException.java @@ -0,0 +1,92 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.security.SignatureException;
+
+/**
+ * A SignatureException thrown by the {@link STALSignature}.
+ *
+ * @author mcentner
+ */
+public class STALSignatureException extends SignatureException {
+
+ private static final long serialVersionUID = 1L;
+
+ /**
+ * The STAL error code.
+ */
+ private int errorCode;
+
+ /**
+ * Creates a new instance of this STALSignatureException.
+ */
+ public STALSignatureException() {
+ }
+
+ /**
+ * Creates a new instance of this STALSigantureException with
+ * the given <code>errorCode</code>.
+ *
+ * @param errorCode the error code
+ */
+ public STALSignatureException(int errorCode) {
+ this.errorCode = errorCode;
+ }
+
+ /**
+ * Creates a new instance of this STALSignatureException with
+ * the given error <code>msg</code>.
+ *
+ * @param msg the error message
+ * @see SignatureException#SignatureException(String)
+ */
+ public STALSignatureException(String msg) {
+ super(msg);
+ }
+
+ /**
+ * Creates a new instance of this STALSignatureException with
+ * the given root <code>cause</code>.
+ *
+ * @param cause the cause
+ * @see SignatureException#SignatureException(Throwable)
+ */
+ public STALSignatureException(Throwable cause) {
+ super(cause);
+ }
+
+ /**
+ * Creates a new instance of this STALSignautureException with
+ * the given error <code>message</code> and root <code>cause</code>.
+ *
+ * @param message the error message
+ * @param cause the cause
+ * @see SignatureException#SignatureException(String, Throwable)
+ */
+ public STALSignatureException(String message, Throwable cause) {
+ super(message, cause);
+ }
+
+ /**
+ * @return the error code
+ */
+ public int getErrorCode() {
+ return errorCode;
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/Signature.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/Signature.java new file mode 100644 index 00000000..94a4a066 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/Signature.java @@ -0,0 +1,935 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.StringWriter;
+import java.io.UnsupportedEncodingException;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.PrivateKey;
+import java.security.cert.X509Certificate;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Date;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.xml.bind.JAXBElement;
+import javax.xml.bind.JAXBException;
+import javax.xml.crypto.MarshalException;
+import javax.xml.crypto.dom.DOMStructure;
+import javax.xml.crypto.dsig.CanonicalizationMethod;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.Reference;
+import javax.xml.crypto.dsig.SignatureMethod;
+import javax.xml.crypto.dsig.SignedInfo;
+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.stream.XMLStreamException;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.etsi.uri._01903.v1_1.DataObjectFormatType;
+import org.etsi.uri._01903.v1_1.QualifyingPropertiesType;
+import org.w3c.dom.DOMConfiguration;
+import org.w3c.dom.DOMException;
+import org.w3c.dom.Document;
+import org.w3c.dom.DocumentFragment;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+import org.w3c.dom.ls.DOMImplementationLS;
+import org.w3c.dom.ls.LSException;
+import org.w3c.dom.ls.LSInput;
+import org.w3c.dom.ls.LSOutput;
+import org.w3c.dom.ls.LSParser;
+import org.w3c.dom.ls.LSResourceResolver;
+import org.w3c.dom.ls.LSSerializer;
+
+import at.buergerkarte.namespaces.securitylayer._1.Base64XMLLocRefReqRefContentType;
+import at.buergerkarte.namespaces.securitylayer._1.Base64XMLOptRefContentType;
+import at.buergerkarte.namespaces.securitylayer._1.DataObjectAssociationType;
+import at.buergerkarte.namespaces.securitylayer._1.DataObjectInfoType;
+import at.buergerkarte.namespaces.securitylayer._1.SignatureInfoCreationType;
+import at.gv.egiz.bku.binding.HttpUtil;
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.bku.slexceptions.SLRequestException;
+import at.gv.egiz.bku.utils.HexDump;
+import at.gv.egiz.bku.utils.urldereferencer.StreamData;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencerContext;
+import at.gv.egiz.dom.DOMUtils;
+import at.gv.egiz.slbinding.impl.XMLContentType;
+import at.gv.egiz.stal.HashDataInputCallback;
+import at.gv.egiz.stal.STAL;
+import at.gv.egiz.xades.QualifyingPropertiesException;
+import at.gv.egiz.xades.QualifyingPropertiesFactory;
+
+/**
+ * This class represents an XML-Signature as to be created by the
+ * security layer command <code>CreateXMLSignatureRequest</code>.
+ *
+ * @author mcentner
+ */
+public class Signature implements HashDataInputCallback {
+
+ /**
+ * Logging facility.
+ */
+ private static Log log = LogFactory.getLog(Signature.class);
+
+ /**
+ * The DOM implementation used.
+ */
+ private DOMImplementationLS domImplLS;
+
+ /**
+ * The SignatureContext for the XMLSignature.
+ */
+ private SignatureContext ctx;
+
+ /**
+ * The list of {@link DataObject}s for this signature.
+ */
+ private List<DataObject> dataObjects = new ArrayList<DataObject>();
+
+ /**
+ * A mapping from the <code>Id</code>-attribute values of this signature's
+ * <code>ds:Reference</code>s to the corresponding {@link DataObject}s.
+ */
+ private Map<String, DataObject> dataObjectReferencIds = new HashMap<String, DataObject>();
+
+ /**
+ * The SignatureEnvironment for this signature.
+ */
+ private SignatureLocation signatureLocation;
+
+ /**
+ * The XML signature.
+ */
+ private XMLSignature xmlSignature;
+
+ /**
+ * A list of attributes of type <code>xsd:ID</code> to be registered in the {@link DOMSignContext}.
+ */
+ private List<IdAttribute> idAttributes = new ArrayList<IdAttribute>();
+
+ /**
+ * The signer's X509 certificate.
+ */
+ private X509Certificate signerCertificate;
+
+ /**
+ * The signing time.
+ */
+ private Date signingTime;
+
+ /**
+ * Creates a new SLXMLSignature instance.
+ */
+ public Signature(URLDereferencerContext dereferencerContext,
+ IdValueFactory idValueFactory,
+ AlgorithmMethodFactory algorithmMethodFactory) {
+
+ domImplLS = DOMUtils.getDOMImplementationLS();
+
+ ctx = new SignatureContext();
+
+ ctx.setSignatureFactory(XMLSignatureFactory.getInstance());
+
+ ctx.setDereferencerContext(dereferencerContext);
+ ctx.setIdValueFactory(idValueFactory);
+ ctx.setAlgorithmMethodFactory(algorithmMethodFactory);
+
+ }
+
+ /**
+ * @return the Document containing this Signature
+ */
+ public Document getDocument() {
+ return ctx.getDocument();
+ }
+
+ /**
+ * @return the parent Node for this Signature
+ */
+ public Node getParent() {
+ return (signatureLocation != null) ? signatureLocation.getParent() : null;
+ }
+
+ /**
+ * @return the next sibling Node for this Signature
+ */
+ public Node getNextSibling() {
+ return (signatureLocation != null) ? signatureLocation.getNextSibling() : null;
+ }
+
+ /**
+ * @return the XMLSignature
+ */
+ public XMLSignature getXMLSignature() {
+ return xmlSignature;
+ }
+
+ /**
+ * @return the list of {@link Reference}s of this Signature
+ */
+ @SuppressWarnings("unchecked")
+ public List<Reference> getReferences() {
+ return (xmlSignature != null) ? xmlSignature.getSignedInfo().getReferences() : null;
+ }
+
+ /**
+ * @return the list of {@link XMLObject}s of this Signature
+ */
+ @SuppressWarnings("unchecked")
+ public List<XMLObject> getXMLObjects() {
+ return (xmlSignature != null) ? xmlSignature.getObjects() : null;
+ }
+
+ /**
+ * Prepares the signature document with the information given by the
+ * <code>signatureInfo</code> provided.
+ *
+ * @param signatureInfo
+ * the <code>SignatureInfo</code>
+ *
+ * @throws SLCommandException
+ * if processing fails for any reason
+ * @throws IllegalStateException
+ * if the <code>parent</code> node has already been set
+ * @throws NullPointerException
+ * if <code>signatureInfo</code> is <code>null</code>
+ */
+ public void setSignatureInfo(SignatureInfoCreationType signatureInfo) throws SLCommandException {
+
+ if (signatureLocation != null) {
+ throw new IllegalStateException("SignatureEnvironment already set.");
+ }
+
+ Base64XMLOptRefContentType signatureEnvironment = signatureInfo.getSignatureEnvironment();
+
+ if (signatureEnvironment == null) {
+
+ // no SignatureEnvironment, so we use an empty document and the document as parent
+ ensureSignatureLocation();
+
+ } else {
+
+ // parse SignatureEnvrionment and use as document
+ Document document = parseSignatureEnvironment(signatureEnvironment, signatureInfo.getSupplement());
+ ctx.setDocument(document);
+
+ signatureLocation = new SignatureLocation(ctx);
+ signatureLocation.setSignatureInfo(signatureInfo);
+
+ }
+
+ }
+
+ /**
+ * Ensures a SignatureLocation for this Signature.
+ */
+ private void ensureSignatureLocation() {
+
+ if (signatureLocation == null) {
+ Document document = DOMUtils.createDocument();
+ ctx.setDocument(document);
+
+ signatureLocation = new SignatureLocation(ctx);
+ signatureLocation.setParent(document);
+ }
+
+ }
+
+ /**
+ * Adds a DataObject with the information given by the
+ * <code>dataObjectInfo</code> provided to this Signature.
+ *
+ * @param dataObjectInfo
+ * the <code>DataObjectInfo</code> element
+ *
+ * @throws SLCommandException
+ * if adding the DataObject fails
+ * @throws SLRequestException
+ * if the information provided by the given
+ * <code>dataObjectInfo</code> does not conform to the security
+ * layer specification
+ * @throws NullPointerException
+ * if <code>dataObjectInfo</code> is <code>null</code>
+ */
+ public void addDataObject(DataObjectInfoType dataObjectInfo) throws SLCommandException, SLRequestException {
+
+ ensureSignatureLocation();
+
+ DataObject dataObject = new DataObject(ctx);
+ dataObject.setDataObjectInfo(dataObjectInfo);
+
+ dataObjects.add(dataObject);
+
+ dataObjectReferencIds.put(dataObject.getReference().getId(), dataObject);
+
+ }
+
+ /**
+ * Sets the <code>SigningTime</code> qualifying property of this Signature.
+ *
+ * @param signingTime the signing time to set
+ */
+ public void setSigningTime(Date signingTime) {
+ this.signingTime = signingTime;
+ }
+
+ /**
+ * Sets the <code>SignerCertificate</code> qualifying property of this Signature.
+ *
+ * @param certificate the signer's certificate
+ */
+ public void setSignerCeritifcate(X509Certificate certificate) {
+ this.signerCertificate = certificate;
+ }
+
+ /**
+ * Builds the XMLSignature data structure of this Signature as configured by
+ * the various setter methods.
+ *
+ * @throws SLCommandException if building this signature fails
+ */
+ public void buildXMLSignature() throws SLCommandException {
+
+ List<XMLObject> objects = new ArrayList<XMLObject>();
+ List<Reference> references = new ArrayList<Reference>();
+
+ // add all data objects
+ for (DataObject dataObject : dataObjects) {
+ if (dataObject.getXmlObject() != null) {
+ objects.add(dataObject.getXmlObject());
+ }
+ if (dataObject.getReference() != null) {
+ references.add(dataObject.getReference());
+ }
+ }
+
+ addXAdESObjectAndReference(objects, references);
+
+ XMLSignatureFactory signatureFactory = ctx.getSignatureFactory();
+ AlgorithmMethodFactory algorithmMethodFactory = ctx.getAlgorithmMethodFactory();
+
+ CanonicalizationMethod cm;
+ SignatureMethod sm;
+ try {
+ cm = algorithmMethodFactory.createCanonicalizationMethod(ctx);
+ sm = algorithmMethodFactory.createSignatureMethod(ctx);
+ } catch (NoSuchAlgorithmException e) {
+ log.error("Failed to get Canonicalization or Signature algorithm.", e);
+ throw new SLCommandException(4006);
+ } catch (InvalidAlgorithmParameterException e) {
+ log.error("Failed to get Canonicalization or Signature algorithm.", e);
+ throw new SLCommandException(4006);
+ }
+
+ String siId = ctx.getIdValueFactory().createIdValue("SignedInfo");
+
+ SignedInfo si = signatureFactory.newSignedInfo(cm, sm, references, siId);
+
+ KeyInfo ki = null;
+ if (signerCertificate != null) {
+ KeyInfoFactory kif = KeyInfoFactory.getInstance();
+ X509Data x509Data = kif.newX509Data(Collections.singletonList(signerCertificate));
+ ki = kif.newKeyInfo(Collections.singletonList(x509Data));
+ }
+
+ String signatureId = ctx.getIdValueFactory().createIdValue("Signature");
+ String signatureValueId = ctx.getIdValueFactory().createIdValue("SignatureValue");
+
+ xmlSignature = signatureFactory.newXMLSignature(si, ki, objects, signatureId, signatureValueId);
+
+ }
+
+ /**
+ * Sign this Signature using the given <code>signContext</code>.
+ * <p>
+ * Call's {@link #buildXMLSignature()} if it has not been called yet.
+ * </p>
+ *
+ * @param signContext
+ * the signing context
+ *
+ * @throws MarshalException
+ * if marshalling the XMLSignature fails
+ * @throws XMLSignatureException
+ * if signing the XMLSignature fails
+ * @throws SLCommandException
+ * if building the XMLSignature fails
+ * @throws NullPointerException
+ * if <code>signContext</code> is <code>null</code>
+ */
+ public void sign(DOMSignContext signContext) throws MarshalException, XMLSignatureException, SLCommandException {
+
+ if (xmlSignature == null) {
+ buildXMLSignature();
+ }
+
+ for (IdAttribute idAttribute : idAttributes) {
+ signContext.setIdAttributeNS(idAttribute.element, idAttribute.namespaceURI, idAttribute.localName);
+ }
+
+ // DO NOT USE:
+ // signContext.setProperty("iaik.xml.crypto.dsig.sign-over", Boolean.TRUE);
+
+ signContext.setProperty("javax.xml.crypto.dsig.cacheReference", Boolean.TRUE);
+
+ signContext.putNamespacePrefix(XMLSignature.XMLNS, "dsig");
+
+ signContext.setURIDereferencer(new URIDereferncerAdapter(ctx.getDereferencerContext()));
+
+ try {
+ xmlSignature.sign(signContext);
+ } catch (XMLSignatureException e) {
+ Throwable cause = e.getCause();
+ while (cause != null) {
+ if (cause instanceof STALSignatureException) {
+ int errorCode = ((STALSignatureException) cause).getErrorCode();
+ SLCommandException commandException = new SLCommandException(errorCode);
+ log.info("Failed to sign signature.", commandException);
+ throw commandException;
+ } else {
+ cause = cause.getCause();
+ }
+ }
+ throw e;
+ }
+
+ // debug
+ if (log.isTraceEnabled()) {
+ for (DataObject dataObject : dataObjects) {
+ Reference reference = dataObject.getReference();
+ InputStream digestInputStream = reference.getDigestInputStream();
+ if (digestInputStream != null) {
+ String mimeType = dataObject.getMimeType();
+ StringBuilder sb = new StringBuilder();
+ sb.append("DigestInput for Reference with id='");
+ sb.append(reference.getId());
+ sb.append("' (MIME-Type=");
+ sb.append(dataObject.getMimeType());
+ sb.append("):\n");
+ try {
+ if (mimeType != null && (
+ mimeType.startsWith("text") ||
+ "application/xhtml+xml".equals(mimeType))) {
+ byte[] b = new byte[512];
+ for (int l; (l = digestInputStream.read(b)) != -1;) {
+ sb.append(new String(b, 0, l));
+ }
+ } else {
+ sb.append(HexDump.hexDump(digestInputStream));
+ }
+ } catch (IOException e) {
+ log.error(e);
+ }
+ log.trace(sb.toString());
+ } else {
+ log.trace("Reference caching is not enabled.");
+ }
+ }
+ }
+
+ }
+
+ /**
+ * Sign this Signature using the given <code>stal</code> implementation and
+ * <code>keyboxIdentifier</code>.
+ * <p>
+ * This method configures an appropriate {@link DOMSignContext} and calls
+ * {@link #sign(DOMSignContext)}. If {@link #buildXMLSignature()} has not been
+ * called yet, it is called by this method.
+ * </p>
+ *
+ * @param stal
+ * the STAL implementation to use
+ * @param keyboxIdentifier
+ * the KeyboxIdentifier to use
+ *
+ * @throws MarshalException
+ * if marshalling this Signature fails
+ * @throws XMLSignatureException
+ * if signing this Signature fails
+ * @throws SLCommandException
+ * if building this Signature fails
+ * @throws NullPointerException
+ * if <code>stal</code> or <code>keyboxIdentifier</code> is
+ * <code>null</code>
+ */
+ public void sign(STAL stal, String keyboxIdentifier) throws MarshalException, XMLSignatureException, SLCommandException {
+
+ if (stal == null) {
+ throw new NullPointerException("Argument 'stal' must not be null.");
+ }
+
+ if (keyboxIdentifier == null) {
+ throw new NullPointerException("Argument 'keyboxIdentifier' must not be null.");
+ }
+
+ if (xmlSignature == null) {
+ buildXMLSignature();
+ }
+
+ SignatureMethod signatureMethod = xmlSignature.getSignedInfo().getSignatureMethod();
+ String algorithm = signatureMethod.getAlgorithm();
+
+ PrivateKey privateKey = new STALPrivateKey(stal, algorithm, keyboxIdentifier, this);
+
+ DOMSignContext signContext;
+ if (getNextSibling() == null) {
+ signContext = new DOMSignContext(privateKey, getParent());
+ } else {
+ signContext = new DOMSignContext(privateKey, getParent(), getNextSibling());
+ }
+
+ sign(signContext);
+ }
+
+ @Override
+ public InputStream getHashDataInput(String referenceId) {
+
+ DataObject dataObject = dataObjectReferencIds.get(referenceId);
+ if (dataObject != null) {
+ return dataObject.getReference().getDigestInputStream();
+ } else {
+ return null;
+ }
+ }
+
+ /**
+ * Adds the XAdES <code>QualifyingProperties</code> as an
+ * <code>ds:Object</code> and a corresponding <code>ds:Reference</code> to
+ * it's <code>SignedProperties</code> element to this Signature.
+ *
+ * @param objects
+ * the list of <code>ds:Objects</code> to add the created
+ * <code>ds:Object</code> to
+ * @param references
+ * the list of <code>ds:References</code> to add the created
+ * <code>ds:Reference</code> to
+ *
+ * @throws SLCommandException
+ * if creating and adding the XAdES
+ * <code>QualifyingProperties</code> fails
+ * @throws NullPointerException
+ * if <code>objects</code> or <code>references</code> is
+ * <code>null</code>
+ */
+ private void addXAdESObjectAndReference(List<XMLObject> objects, List<Reference> references) throws SLCommandException {
+
+ QualifyingPropertiesFactory factory = QualifyingPropertiesFactory.getInstance();
+
+ String idValue = ctx.getIdValueFactory().createIdValue("SignedProperties");
+
+ Date date = (signingTime != null) ? signingTime : new Date();
+
+ List<X509Certificate> signingCertificates;
+ if (signerCertificate != null) {
+ signingCertificates = Collections.singletonList(signerCertificate);
+ } else {
+ signingCertificates = Collections.emptyList();
+ }
+
+ // TODO: report MOA-SP bug
+ //
+ // The security layer specification mandates the use of version 1.2.2. of the
+ // XAdES QualifyingProperties. However MOA-SP supports only version 1.1.1. Therefore,
+ // the version 1.1.1 is used in order to be compatible with current MOA-SP versions.
+
+ List<DataObjectFormatType> dataObjectFormats = new ArrayList<DataObjectFormatType>();
+ for (DataObject dataObject : dataObjects) {
+ if (dataObject.getMimeType() != null && dataObject.getReference() != null) {
+ Reference reference = dataObject.getReference();
+ if (reference.getId() != null) {
+ String objectReference = "#" + reference.getId();
+ dataObjectFormats.add(factory.createDataObjectFormatType(
+ objectReference, dataObject.getMimeType(), dataObject
+ .getDescription()));
+ }
+ }
+ }
+
+ JAXBElement<QualifyingPropertiesType> qualifyingProperties;
+ try {
+ qualifyingProperties = factory.createQualifyingProperties111(date, signingCertificates, idValue, dataObjectFormats);
+ } catch (QualifyingPropertiesException e) {
+ log.error("Failed to create QualifyingProperties.", e);
+ throw new SLCommandException(4000);
+ }
+
+ DocumentFragment fragment = ctx.getDocument().createDocumentFragment();
+
+ try {
+ factory.marshallQualifyingProperties(qualifyingProperties, fragment);
+ } catch (JAXBException e) {
+ log.error("Failed to marshal QualifyingProperties.", e);
+ throw new SLCommandException(4000);
+ }
+
+ List<DOMStructure> content = Collections.singletonList(new DOMStructure(fragment.getFirstChild()));
+
+ String objectIdValue = ctx.getIdValueFactory().createIdValue("Object");
+
+ XMLObject object = ctx.getSignatureFactory().newXMLObject(content, objectIdValue, null, null);
+
+ objects.add(object);
+
+ // TODO: Report MOA-SP Bug
+ //
+ // Direct referencing of the SignedPorperties Id-attribute is not supported by MOA-SP
+ // because the QualifyingProperties are parsed without the XAdES schema. Therefore,
+ // the shorthand XPointer could not be resolved.
+ //
+ // The following workaround uses an XPointer to select the SignedProperties in order
+ // to allow the signature to be verified with MOA-SP.
+
+ String referenceURI = "#xmlns(xades=http://uri.etsi.org/01903/v1.1.1%23)%20xpointer(id('"
+ + objectIdValue
+ + "')/child::xades:QualifyingProperties/child::xades:SignedProperties)";
+ DigestMethod dm;
+ try {
+ dm = ctx.getAlgorithmMethodFactory().createDigestMethod(ctx);
+ } catch (NoSuchAlgorithmException e) {
+ log.error("Failed to get DigestMethod algorithm.", e);
+ throw new SLCommandException(4006);
+ } catch (InvalidAlgorithmParameterException e) {
+ log.error("Failed to get DigestMethod algorithm.", e);
+ throw new SLCommandException(4006);
+ }
+
+ String referenceIdValue = ctx.getIdValueFactory().createIdValue("Reference");
+ String referenceType = QualifyingPropertiesFactory.SIGNED_PROPERTIES_REFERENCE_TYPE_V1_1_1;
+
+ Reference reference = ctx.getSignatureFactory().newReference(referenceURI, dm, null, referenceType, referenceIdValue);
+
+ references.add(reference);
+
+ Node child = fragment.getFirstChild();
+ if (child instanceof Element) {
+ NodeList nodes = ((Element) child).getElementsByTagNameNS(QualifyingPropertiesFactory.NS_URI_V1_1_1, "SignedProperties");
+ if (nodes.getLength() > 0) {
+ IdAttribute idAttribute = new IdAttribute();
+ idAttribute.element = (Element) nodes.item(0);
+ idAttribute.namespaceURI = null;
+ idAttribute.localName = "Id";
+ idAttributes.add(idAttribute);
+ }
+ }
+
+ }
+
+ /**
+ * Parse the SignatureEnvironment.
+ *
+ * @param signatureEnvironment
+ * the <code>SignatureEnvironment</code> element
+ * @param supplements
+ * an optional list of <code>Supplements</code> (may be
+ * <code>null</code>)
+ *
+ * @return the parsed SignatureEnvironment document
+ *
+ * @throws SLCommandException
+ * if parsing the SignatureEnvironment fails
+ * @throws NullPointerException
+ * if <code>signatureEnvironment</code> is <code>null</code>
+ */
+ private Document parseSignatureEnvironment(
+ Base64XMLOptRefContentType signatureEnvironment,
+ List<DataObjectAssociationType> supplements) throws SLCommandException {
+
+ if (signatureEnvironment == null) {
+ throw new NullPointerException("Argument 'signatureEnvironment' must not be null.");
+ }
+
+ LSInput input;
+ try {
+ if (signatureEnvironment.getReference() != null) {
+ log.debug("SignatureEnvironment contains Reference " + signatureEnvironment.getReference() + ".");
+ input = createLSInput(signatureEnvironment.getReference());
+ } else if (signatureEnvironment.getBase64Content() != null) {
+ log.debug("SignatureEnvironment contains Base64Content.");
+ input = createLSInput(signatureEnvironment.getBase64Content());
+ } else if (signatureEnvironment.getXMLContent() != null) {
+ log.debug("SignatureEnvironment contains XMLContent.");
+ input = createLSInput((XMLContentType) signatureEnvironment.getXMLContent());
+ } else {
+ // the schema does not allow us to reach this point
+ throw new SLCommandException(4000);
+ }
+ } catch (IOException e) {
+ log.info("XML document in which the signature is to be integrated cannot be resolved.", e);
+ throw new SLCommandException(4100);
+ } catch (XMLStreamException e) {
+ log.info("XML document in which the signature is to be integrated cannot be resolved.", e);
+ throw new SLCommandException(4100);
+ }
+
+ LSParser parser = domImplLS.createLSParser(DOMImplementationLS.MODE_SYNCHRONOUS, null);
+ DOMConfiguration domConfig = parser.getDomConfig();
+ SimpleDOMErrorHandler errorHandler = new SimpleDOMErrorHandler();
+ domConfig.setParameter("error-handler", errorHandler);
+ LSResourceResolverAdapter resourceResolver = new LSResourceResolverAdapter(supplements);
+ domConfig.setParameter("resource-resolver", resourceResolver);
+ domConfig.setParameter("validate", Boolean.TRUE);
+
+ Document doc;
+ try {
+ doc = parser.parse(input);
+ } catch (DOMException e) {
+ log.info("XML document in which the signature is to be integrated cannot be parsed.", e);
+ throw new SLCommandException(4101);
+ } catch (LSException e) {
+ log.info("XML document in which the signature is to be integrated cannot be parsed.", e);
+ throw new SLCommandException(4101);
+ }
+
+ if (resourceResolver.getError() != null) {
+ log.info("Failed to resolve resource while parsing SignatureEnvironment document.", resourceResolver.getError());
+ // we don't stop here, as we only _try_ to parse validating
+ }
+
+ if (errorHandler.hasFatalErrors()) {
+ // log fatal errors
+ if (log.isInfoEnabled()) {
+ List<String> errorMessages = errorHandler.getErrorMessages();
+ StringBuffer sb = new StringBuffer();
+ for (String errorMessage : errorMessages) {
+ sb.append(" ");
+ sb.append(errorMessage);
+ }
+ log.info("XML document in which the signature is to be integrated cannot be parsed." + sb.toString());
+ }
+ throw new SLCommandException(4101);
+ }
+
+ // log parsed document
+ if (log.isTraceEnabled()) {
+
+ StringWriter writer = new StringWriter();
+
+ writer.write("SignatureEnvironment:\n");
+
+ LSOutput output = domImplLS.createLSOutput();
+ output.setCharacterStream(writer);
+ output.setEncoding("UTF-8");
+ LSSerializer serializer = domImplLS.createLSSerializer();
+ serializer.write(doc, output);
+
+ log.trace(writer.toString());
+ }
+
+ return doc;
+
+ }
+
+ /**
+ * Creates an LSInput from the given <code>reference</code> URI.
+ *
+ * @param reference
+ * the reference URL
+ *
+ * @return an LSInput from the given <code>reference</code> URI
+ *
+ * @throws IOException
+ * if dereferencing the given <code>reference</code> fails
+ */
+ private LSInput createLSInput(String reference) throws IOException {
+
+ URLDereferencer urlDereferencer = URLDereferencer.getInstance();
+ StreamData streamData = urlDereferencer.dereference(reference, ctx.getDereferencerContext());
+
+ String contentType = streamData.getContentType();
+ String charset = HttpUtil.getCharset(contentType, true);
+ InputStreamReader streamReader;
+ try {
+ streamReader = new InputStreamReader(streamData.getStream(), charset);
+ } catch (UnsupportedEncodingException e) {
+ log.info("Charset " + charset + " not supported. Using default.");
+ streamReader = new InputStreamReader(streamData.getStream());
+ }
+
+ LSInput input = domImplLS.createLSInput();
+ input = domImplLS.createLSInput();
+ input.setCharacterStream(streamReader);
+
+ return input;
+
+ }
+
+ /**
+ * Creates an LSInput from the given <code>content</code> bytes.
+ *
+ * @param content
+ * the content bytes
+ *
+ * @return an LSInput from the givne <code>content</code> bytes
+ */
+ private LSInput createLSInput(byte[] content) {
+
+ ByteArrayInputStream inputStream = new ByteArrayInputStream(content);
+ LSInput input = domImplLS.createLSInput();
+ input.setByteStream(inputStream);
+
+ return input;
+
+ }
+
+ /**
+ * Creates an LSInput from the given XML <code>content</code>.
+ *
+ * @param content
+ * the XML content
+ * @return an LSInput from the given XML <code>content</code>
+ *
+ * @throws XMLStreamException
+ * if reading the XMLStream from the given XML content fails
+ */
+ private LSInput createLSInput(XMLContentType content) throws XMLStreamException {
+
+ ByteArrayOutputStream redirectedStream = content.getRedirectedStream();
+ if (redirectedStream != null) {
+ LSInput input = domImplLS.createLSInput();
+ input.setByteStream(new ByteArrayInputStream(redirectedStream.toByteArray()));
+ return input;
+ } else {
+ return null;
+ }
+
+ }
+
+ /**
+ * Represents an <code>xsd:Id</code>-attribute value.
+ *
+ * @author mcentner
+ */
+ private class IdAttribute {
+
+ private Element element;
+
+ private String namespaceURI;
+
+ private String localName;
+
+ }
+
+ /**
+ * An implementation of the LSResourceResolver that uses a list of supplements
+ * to resolve resources.
+ *
+ * @author mcentner
+ */
+ private class LSResourceResolverAdapter implements LSResourceResolver {
+
+ List<DataObjectAssociationType> supplements;
+
+ private LSResourceResolverAdapter(
+ List<DataObjectAssociationType> supplements) {
+ this.supplements = supplements;
+ }
+
+ private Exception error;
+
+ /**
+ * @return the error
+ */
+ public Exception getError() {
+ return error;
+ }
+
+ @Override
+ public LSInput resolveResource(String type, String namespaceURI,
+ String publicId, String systemId, String baseURI) {
+
+ if (log.isTraceEnabled()) {
+ log.trace("Resolve resource :" +
+ "\n type=" + type +
+ "\n namespaceURI=" + namespaceURI +
+ "\n publicId=" + publicId +
+ "\n systemId=" + systemId +
+ "\n baseURI=" + baseURI);
+ }
+
+ if (systemId != null) {
+
+ log.debug("Resolve resource '" + systemId + "'.");
+
+ for (DataObjectAssociationType supplement : supplements) {
+
+ Base64XMLLocRefReqRefContentType content = supplement.getContent();
+ if (content != null) {
+
+ String reference = content.getReference();
+ if (systemId.equals(reference)) {
+
+ try {
+ if (content.getLocRefContent() != null) {
+ log.trace("Resolved resource '" + reference + "' to supplement with LocRefContent.");
+ return createLSInput(content.getLocRefContent());
+ } else if (content.getBase64Content() != null) {
+ log.trace("Resolved resource '" + reference + "' to supplement with Base64Content.");
+ return createLSInput(content.getBase64Content());
+ } else if (content.getXMLContent() != null) {
+ log.trace("Resolved resource '" + reference + "' to supplement with XMLContent.");
+ return createLSInput((XMLContentType) content.getXMLContent());
+ } else {
+ return null;
+ }
+ } catch (IOException e) {
+ log.info("Failed to resolve resource '" + systemId + "' to supplement.", e);
+ error = e;
+ return null;
+ } catch (XMLStreamException e) {
+ log.info("Failed to resolve resource '" + systemId + "' to supplement.", e);
+ error = e;
+ return null;
+ }
+
+ }
+
+ }
+
+ }
+
+ log.info("Failed to resolve resource '" + systemId + "' to supplement. No such supplement.");
+
+ }
+
+ return null;
+
+ }
+
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureContext.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureContext.java new file mode 100644 index 00000000..0925f2fd --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureContext.java @@ -0,0 +1,129 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.XMLSignatureFactory;
+
+import org.w3c.dom.Document;
+
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencerContext;
+
+/**
+ * An instance of this class carries context information for a XML-Signature
+ * created by the security layer command <code>CreateXMLSignature</code>.
+ *
+ * @author mcentner
+ */
+public class SignatureContext {
+
+ /**
+ * The document going to contain the XML signature.
+ */
+ private Document document;
+
+ /**
+ * The IdValueFactory used to create <code>xsd:ID</code>-attribute values.
+ */
+ private IdValueFactory idValueFactory;
+
+ /**
+ * The XMLSignatureFactory to create XML signature objects.
+ */
+ private XMLSignatureFactory signatureFactory;
+
+ /**
+ * The URLDereferencerContext for dereferencing URLs.
+ */
+ private URLDereferencerContext dereferencerContext;
+
+ /**
+ * The DigestMethodFactory to create {@link DigestMethod} objects.
+ */
+ private AlgorithmMethodFactory digestMethodFactory;
+
+ /**
+ * @return the document
+ */
+ public Document getDocument() {
+ return document;
+ }
+
+ /**
+ * @param document the document to set
+ */
+ public void setDocument(Document document) {
+ this.document = document;
+ }
+
+ /**
+ * @return the idValueFactory
+ */
+ public IdValueFactory getIdValueFactory() {
+ return idValueFactory;
+ }
+
+ /**
+ * @param idValueFactory the idValueFactory to set
+ */
+ public void setIdValueFactory(IdValueFactory idValueFactory) {
+ this.idValueFactory = idValueFactory;
+ }
+
+ /**
+ * @return the signatureFactory
+ */
+ public XMLSignatureFactory getSignatureFactory() {
+ return signatureFactory;
+ }
+
+ /**
+ * @param signatureFactory the signatureFactory to set
+ */
+ public void setSignatureFactory(XMLSignatureFactory signatureFactory) {
+ this.signatureFactory = signatureFactory;
+ }
+
+ /**
+ * @return the dereferencerContext
+ */
+ public URLDereferencerContext getDereferencerContext() {
+ return dereferencerContext;
+ }
+
+ /**
+ * @param dereferencerContext the dereferencerContext to set
+ */
+ public void setDereferencerContext(URLDereferencerContext dereferencerContext) {
+ this.dereferencerContext = dereferencerContext;
+ }
+
+ /**
+ * @return the digestMethodFactory
+ */
+ public AlgorithmMethodFactory getAlgorithmMethodFactory() {
+ return digestMethodFactory;
+ }
+
+ /**
+ * @param digestMethodFactory the digestMethodFactory to set
+ */
+ public void setAlgorithmMethodFactory(AlgorithmMethodFactory digestMethodFactory) {
+ this.digestMethodFactory = digestMethodFactory;
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureLocation.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureLocation.java new file mode 100644 index 00000000..5ec02893 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SignatureLocation.java @@ -0,0 +1,235 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.util.Iterator;
+
+import javax.xml.XMLConstants;
+import javax.xml.namespace.NamespaceContext;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import at.buergerkarte.namespaces.securitylayer._1.SignatureInfoCreationType;
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.slbinding.impl.SignatureLocationType;
+
+/**
+ * This class implements the <code>SignatureLocation</code> of an XML-Signature
+ * to be created by the security layer command <code>CreateXMLSignature</code>.
+ *
+ * @author mcentner
+ */
+public class SignatureLocation {
+
+ /**
+ * Logging facility.
+ */
+ private static Log log = LogFactory.getLog(SignatureLocation.class);
+
+ /**
+ * The SignatureContext for the XML signature
+ */
+ private SignatureContext ctx;
+
+ /**
+ * The parent node for the XML signature.
+ */
+ private Node parent;
+
+ /**
+ * The next sibling node for the XML signature.
+ */
+ private Node nextSibling;
+
+ /**
+ * Creates a new SignatureLocation with the given <code>signatureContext</code>
+ *
+ * @param signatureContext the context for the XML signature creation
+ */
+ public SignatureLocation(SignatureContext signatureContext) {
+ this.ctx = signatureContext;
+ }
+
+ /**
+ * @return the parent node for the XML signature
+ */
+ public Node getParent() {
+ return parent;
+ }
+
+ /**
+ * @param parent the parent for the XML signature
+ */
+ public void setParent(Node parent) {
+ this.parent = parent;
+ }
+
+ /**
+ * @return the next sibling node for the XML signature
+ */
+ public Node getNextSibling() {
+ return nextSibling;
+ }
+
+ /**
+ * @param nextSibling the next sibling node for the XML signature
+ */
+ public void setNextSibling(Node nextSibling) {
+ this.nextSibling = nextSibling;
+ }
+
+ /**
+ * Configures this SignatureLocation with the information provided by the
+ * given <code>SignatureInfo</code> element.
+ *
+ * @param signatureInfo
+ * the <code>SignatureInfo</code> element
+ *
+ * @throws SLCommandException
+ * if configuring this SignatureLocation with given
+ * <code>signatureInfo</code>fails
+ */
+ public void setSignatureInfo(SignatureInfoCreationType signatureInfo)
+ throws SLCommandException {
+
+ // evaluate signature location XPath ...
+ SignatureLocationType signatureLocation = (SignatureLocationType) signatureInfo
+ .getSignatureLocation();
+
+ NamespaceContext namespaceContext = new MOAIDWorkaroundNamespaceContext(
+ signatureLocation.getNamespaceContext());
+
+ parent = evaluateSignatureLocation(signatureInfo.getSignatureLocation()
+ .getValue(), namespaceContext, ctx.getDocument().getDocumentElement());
+
+ // ... and index
+ nextSibling = findNextSibling(parent, signatureInfo.getSignatureLocation()
+ .getIndex().intValue());
+
+ }
+
+ /**
+ * Evaluates the given <code>xpath</code> with the document element as context node
+ * and returns the resulting node.
+ *
+ * @param xpath the XPath expression
+ * @param nsContext the namespace context of the XPath expression
+ * @param contextNode the context node for the XPath evaluation
+ *
+ * @return the result of evaluating the XPath expression
+ *
+ * @throws SLCommandException
+ */
+ private Node evaluateSignatureLocation(String xpath, NamespaceContext nsContext, Node contextNode) throws SLCommandException {
+
+ Node node = null;
+ try {
+ XPathFactory xpathFactory = XPathFactory.newInstance();
+ XPath xPath = xpathFactory.newXPath();
+ xPath.setNamespaceContext(nsContext);
+ XPathExpression xpathExpr = xPath.compile(xpath);
+ node = (Node) xpathExpr.evaluate(contextNode, XPathConstants.NODE);
+ } catch (XPathExpressionException e) {
+ log.info("Failed to evaluate SignatureLocation XPath expression '" + xpath + "' on context node.", e);
+ throw new SLCommandException(4102);
+ }
+
+ if (node == null) {
+ log.info("Failed to evaluate SignatureLocation XPath expression '" + xpath + "'. Result is empty.");
+ throw new SLCommandException(4102);
+ }
+
+ return node;
+
+ }
+
+ /**
+ * Finds the next sibling node of the <code>parent</code>'s <code>n</code>-th child node
+ * or <code>null</code> if there is no next sibling.
+ *
+ * @param parent the parent node
+ * @param n the index of the child node
+ *
+ * @return the next sibling node of the node specified by <code>parent</code> and index <code>n</code>,
+ * or <code>null</code> if there is no next sibling node.
+ *
+ * @throws SLCommandException if the <code>n</code>-th child of <code>parent</code> does not exist
+ */
+ private Node findNextSibling(Node parent, int n) throws SLCommandException {
+
+ NodeList childNodes = parent.getChildNodes();
+ Node childNode = childNodes.item(n);
+ if (childNode == null) {
+ log.info("SingatureLocation Index '" + n + "' not found in document.");
+ throw new SLCommandException(4102);
+ } else {
+ return childNode.getNextSibling();
+ }
+
+ }
+
+ /**
+ * Workaround for a missing namespace prefix declaration in MOA-ID.
+ *
+ * @author mcentner
+ */
+ private class MOAIDWorkaroundNamespaceContext implements NamespaceContext {
+
+ private NamespaceContext namespaceContext;
+
+ public MOAIDWorkaroundNamespaceContext(NamespaceContext namespaceContext) {
+ super();
+ this.namespaceContext = namespaceContext;
+ }
+
+ @Override
+ public String getNamespaceURI(String prefix) {
+
+ String namespaceURI = namespaceContext.getNamespaceURI(prefix);
+
+ if ((namespaceURI == null || XMLConstants.NULL_NS_URI.equals(namespaceURI)) && "saml".equals(prefix)) {
+ namespaceURI = "urn:oasis:names:tc:SAML:1.0:assertion";
+ log.debug("Namespace prefix '" + prefix + "' resolved to '" + namespaceURI + "' (MOA-ID Workaround).");
+ } else {
+ log.trace("Namespace prefix '" + prefix + "' resolved to '" + namespaceURI + "'.");
+ }
+
+ return namespaceURI;
+ }
+
+ @Override
+ public String getPrefix(String namespaceURI) {
+ return namespaceContext.getPrefix(namespaceURI);
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ public Iterator getPrefixes(String namespaceURI) {
+ return namespaceContext.getPrefixes(namespaceURI);
+ }
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SimpleDOMErrorHandler.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SimpleDOMErrorHandler.java new file mode 100644 index 00000000..0d54adce --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/SimpleDOMErrorHandler.java @@ -0,0 +1,98 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.w3c.dom.DOMError;
+import org.w3c.dom.DOMErrorHandler;
+
+/**
+ * A simple DOMErrorHandler implementation.
+ *
+ * @author mcentner
+ */
+public class SimpleDOMErrorHandler implements DOMErrorHandler {
+
+ /**
+ * Have there been errors reported?
+ */
+ private boolean errors = false;
+
+ /**
+ * Have there been fatal error reported?
+ */
+ private boolean fatalErrors = false;
+
+ /**
+ * The list of error messages of reported errors.
+ */
+ private List<String> errorMessages = new ArrayList<String>();
+
+ /**
+ * @return <code>true</code> if errors have been reported, or <code>false</code> otherwise
+ */
+ public boolean hasErrors() {
+ return errors;
+ }
+
+ /**
+ * @return <code>true</code> if fatal errors have been reported, or <code>false</code> otherwise
+ */
+ public boolean hasFatalErrors() {
+ return fatalErrors;
+ }
+
+ /**
+ * @return a list of error messages that have been reported
+ */
+ public List<String> getErrorMessages() {
+ return errorMessages;
+ }
+
+ /* (non-Javadoc)
+ * @see org.w3c.dom.DOMErrorHandler#handleError(org.w3c.dom.DOMError)
+ */
+ @Override
+ public boolean handleError(DOMError error) {
+
+ switch (error.getSeverity()) {
+
+ case DOMError.SEVERITY_WARNING :
+// log.debug("[warning] " + error.getMessage());
+ return true;
+
+ case DOMError.SEVERITY_ERROR :
+// log.debug("[error] " + error.getMessage());
+ errorMessages.add(error.getMessage());
+ errors = true;
+ return false;
+
+ case DOMError.SEVERITY_FATAL_ERROR :
+// log.debug("[fatal error] " + error.getMessage());
+ errorMessages.add(error.getMessage());
+ fatalErrors = true;
+ return false;
+
+ default:
+ return false;
+ }
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/URIDereferncerAdapter.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/URIDereferncerAdapter.java new file mode 100644 index 00000000..c94937be --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/URIDereferncerAdapter.java @@ -0,0 +1,103 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.utils.URIDereferencerImpl;
+
+import java.io.IOException;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.OctetStreamData;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReference;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+
+import at.gv.egiz.bku.utils.urldereferencer.StreamData;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencer;
+import at.gv.egiz.bku.utils.urldereferencer.URLDereferencerContext;
+
+/**
+ * An URIDereferencer implementation that uses an {@link URLDereferencer} to
+ * dereference.
+ *
+ * @author mcentner
+ */
+public class URIDereferncerAdapter implements URIDereferencer {
+
+ /**
+ * The context for dereferencing.
+ */
+ protected URLDereferencerContext urlDereferencerContext;
+
+ /**
+ * Creates a new URIDereferencerAdapter instance with the given
+ * <code>urlDereferencerContext</code>.
+ *
+ * @param urlDereferencerContext the context to be used for dereferencing
+ */
+ public URIDereferncerAdapter(URLDereferencerContext urlDereferencerContext) {
+ super();
+ this.urlDereferencerContext = urlDereferencerContext;
+ }
+
+ /* (non-Javadoc)
+ * @see javax.xml.crypto.URIDereferencer#dereference(javax.xml.crypto.URIReference, javax.xml.crypto.XMLCryptoContext)
+ */
+ @Override
+ public Data dereference(URIReference uriReference, XMLCryptoContext context)
+ throws URIReferenceException {
+
+ String uriString = uriReference.getURI();
+ if (uriString == null) {
+ return null;
+ }
+
+ URI uri;
+ try {
+ uri = new URI(uriString);
+ } catch (URISyntaxException e) {
+ throw new URIReferenceException(e.getMessage(), e);
+ }
+
+ if (uri.isAbsolute()) {
+
+ URLDereferencer dereferencer = URLDereferencer.getInstance();
+ StreamData streamData;
+ try {
+ streamData = dereferencer.dereference(uriString, urlDereferencerContext);
+ } catch (IOException e) {
+ throw new URIReferenceException(e.getMessage(), e);
+ }
+ return new OctetStreamData(streamData.getStream(), uriString, streamData.getContentType());
+
+ } else {
+
+ URIDereferencer uriDereferencer = context.getURIDereferencer();
+ if (uriDereferencer == null || uriDereferencer == this) {
+ uriDereferencer = new URIDereferencerImpl();
+ }
+
+ return uriDereferencer.dereference(uriReference, context);
+
+ }
+
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java new file mode 100644 index 00000000..6b388f2a --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTReference.java @@ -0,0 +1,112 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.dsig.DigestMethodImpl;
+import iaik.xml.crypto.dsig.DigestValueImpl;
+import iaik.xml.crypto.dsig.ReferenceImpl;
+import iaik.xml.crypto.dsig.TransformImpl;
+import iaik.xml.crypto.dsig.TransformsImpl;
+
+import javax.xml.crypto.Data;
+import javax.xml.crypto.URIDereferencer;
+import javax.xml.crypto.URIReferenceException;
+import javax.xml.crypto.XMLCryptoContext;
+import javax.xml.crypto.dsig.DigestMethod;
+import javax.xml.crypto.dsig.TransformException;
+
+import at.gv.egiz.bku.slexceptions.SLCommandException;
+import at.gv.egiz.bku.slexceptions.SLExceptionMessages;
+
+/**
+ * This class extends the XSECT ReferenceImpl to allow for the use
+ * of already marshalled <code>ds:Transforms</code> elements for initialization.
+ *
+ * @author mcentner
+ */
+public class XSECTReference extends ReferenceImpl {
+
+ /**
+ * The URIDereferencer to be used for dereferencing.
+ */
+ protected URIDereferencer dereferencer;
+
+ /**
+ * Creates a new instance of this XSECTReference with the given
+ * <code>uri</code>, digest method, <code>transforms</code>, <code>type</code>
+ * and <code>id</code> value.
+ *
+ * @param uri
+ * the <code>URI</code>-attribute value (may be <code>null</code>)
+ * @param dm
+ * the digest method
+ * @param transforms
+ * a TransformsImpl element (may be <code>null</code>)
+ * @param type
+ * the <code>Type</code>-attribute value (may be <code>null</code>)
+ * @param id
+ * the <code>Id</code>-attribute value (may be <code>null</code>)
+ *
+ * @throws NullPointerException
+ * if <code>digestMethod</code> is <code>null</code>
+ * @throws IllegalArgumentException
+ * if <code>uri</code> is not RFC 2396 compliant
+ * @throws ClassCastException
+ * if any of the <code>transforms</code> is not of type
+ * {@link TransformImpl}
+ */
+ public XSECTReference(String uri, DigestMethod dm, TransformsImpl transforms, String type,
+ String id) {
+ super(uri, transforms, type, id);
+ digestMethod_ = (DigestMethodImpl) dm;
+ digestValue_ = new DigestValueImpl();
+ }
+
+ /* (non-Javadoc)
+ * @see iaik.xml.crypto.dsig.ReferenceType#dereference(javax.xml.crypto.XMLCryptoContext)
+ */
+ @Override
+ public Data dereference(XMLCryptoContext context) throws TransformException,
+ URIReferenceException {
+ if (dereferencer != null) {
+ return dereferencer.dereference(this, context);
+ } else {
+ try {
+ return super.dereference(context);
+ } catch (URIReferenceException e) {
+ SLCommandException commandException = new SLCommandException(4003,
+ SLExceptionMessages.EC4003_NOT_RESOLVED, new Object[] { getURI() });
+ throw new URIReferenceException("Failed to dereference data to-be signed.", commandException);
+ }
+ }
+ }
+
+ /**
+ * @return the dereferencer to be used for dereferencing this reference
+ */
+ public URIDereferencer getDereferencer() {
+ return dereferencer;
+ }
+
+ /**
+ * @param dereferencer the dereferencer to be used for dereferencing this reference
+ */
+ public void setDereferencer(URIDereferencer dereferencer) {
+ this.dereferencer = dereferencer;
+ }
+
+}
diff --git a/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTTransforms.java b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTTransforms.java new file mode 100644 index 00000000..a98e4236 --- /dev/null +++ b/bkucommon/src/main/java/at/gv/egiz/bku/slcommands/impl/xsect/XSECTTransforms.java @@ -0,0 +1,124 @@ +/* +* 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.bku.slcommands.impl.xsect;
+
+import iaik.xml.crypto.dsig.TransformImpl;
+import iaik.xml.crypto.dsig.TransformsImpl;
+
+import java.util.List;
+
+import javax.xml.crypto.MarshalException;
+import javax.xml.crypto.dom.DOMCryptoContext;
+import javax.xml.crypto.dsig.Transform;
+
+import org.w3c.dom.Node;
+
+/**
+ * This class extends the XSECT TransformsImpl to allow for the use of an
+ * unmarshalled <code>ds:Transforms</code> element for initalization.
+ *
+ * @author mcentner
+ */
+public class XSECTTransforms extends TransformsImpl {
+
+ /**
+ * Creates a new XSECTTransforms with the given list of <code>transforms</code>.
+ *
+ * @param transforms a list of {@link TransformImpl}s
+ * @see TransformsImpl#TransformsImpl(List)
+ */
+ @SuppressWarnings("unchecked")
+ public XSECTTransforms(List transforms) {
+ super(transforms);
+ }
+
+ /**
+ * Creates a new XSECTTransforms and initializes it from the given
+ * <code>ds:Transforms</code> node.
+ *
+ * @param context the context used for unmarshalling
+ * @param node the <code>ds:Transforms</code> node
+ *
+ * @throws MarshalException if unmarshalling the <code>ds:Transforms</code> fails
+ */
+ public XSECTTransforms(DOMCryptoContext context, Node node)
+ throws MarshalException {
+ super(context, node);
+ }
+
+ /**
+ * Inserts the given <code>transform</code> at the top of the
+ * transform list.
+ *
+ * @param transform the <code>ds:Transform</code> to instert
+ */
+ @SuppressWarnings("unchecked")
+ public void insertTransform(Transform transform) {
+ if (transform == null) {
+ throw new NullPointerException("Parameter 'transform' must not be null.");
+ }
+ if (!(transform instanceof TransformImpl)) {
+ throw new ClassCastException("Transform 'transform' must be of type '" + TransformImpl.class.getName() + "'.");
+ }
+ transforms_.add(0, transform);
+ }
+
+ /**
+ * @return
+ */
+ @SuppressWarnings("unchecked")
+ private List<TransformImpl> getTransformImpls() {
+ return transforms_;
+ }
+
+ /* (non-Javadoc)
+ * @see iaik.xml.crypto.dsig.TransformsType#marshal(javax.xml.crypto.dom.DOMCryptoContext, org.w3c.dom.Node, org.w3c.dom.Node)
+ */
+ @Override
+ public Node marshal(DOMCryptoContext context, Node parent, Node nextSibling)
+ throws MarshalException {
+
+ if (getNode() != null) {
+ // If this TransformsImpl has been unmarshalled from exiting nodes,
+ // we don't want to re-marshal ...
+ state_ = STATE_MARSHALED;
+
+ // ... but append the existing node to the parent ...
+ Node transformsNode = parent.insertBefore(getNode(), nextSibling);
+
+ // ... and marshal any Transforms not yet marshalled (e.g. that
+ // have been added via insertTransform().
+ Node transformNextSibling = transformsNode.getFirstChild();
+ List<TransformImpl> transforms = getTransformImpls();
+ for (int i = 0; i < transforms.size(); i++) {
+ TransformImpl transform = transforms.get(i);
+ Node transformNode = transform.getNode();
+ if (transformNode == null) {
+ // marshall TransformImpl
+ transformNode = transform.marshal(context, transformsNode, transformNextSibling);
+ }
+ transformNextSibling = transformNode.getNextSibling();
+ }
+
+ return transformsNode;
+ } else {
+ return super.marshal(context, parent, nextSibling);
+ }
+
+ }
+
+}
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