1 files changed, 377 insertions, 0 deletions
diff --git a/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/SignatureVerificationService.java b/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/SignatureVerificationService.java
new file mode 100644
index 00000000..0818a260
--- /dev/null
+++ b/eaaf_modules/eaaf_module_moa-sig/src/main/java/at/gv/egiz/eaaf/modules/sigverify/moasig/impl/SignatureVerificationService.java
@@ -0,0 +1,377 @@
+package at.gv.egiz.eaaf.modules.sigverify.moasig.impl;
+
+import java.io.ByteArrayInputStream;
+import java.security.cert.CertificateEncodingException;
+import java.util.Date;
+import java.util.List;
+
+import javax.annotation.PostConstruct;
+
+import at.gv.egiz.eaaf.modules.sigverify.moasig.api.ISignatureVerificationService;
+import at.gv.egiz.eaaf.modules.sigverify.moasig.api.data.ICmsSignatureVerificationResponse;
+import at.gv.egiz.eaaf.modules.sigverify.moasig.api.data.IXmlSignatureVerificationResponse;
+import at.gv.egiz.eaaf.modules.sigverify.moasig.exceptions.MoaSigServiceBuilderException;
+import at.gv.egiz.eaaf.modules.sigverify.moasig.exceptions.MoaSigServiceException;
+import at.gv.egiz.eaaf.modules.sigverify.moasig.impl.parser.VerifyXmlSignatureResponseParser;
+import at.gv.egovernment.moa.spss.MOAException;
+import at.gv.egovernment.moa.spss.api.cmsverify.VerifyCMSSignatureRequest;
+import at.gv.egovernment.moa.spss.api.cmsverify.VerifyCMSSignatureResponse;
+import at.gv.egovernment.moa.spss.api.cmsverify.VerifyCMSSignatureResponseElement;
+import at.gv.egovernment.moa.spss.api.impl.VerifyCMSSignatureRequestImpl;
+import at.gv.egovernment.moa.spss.api.xmlbind.VerifyXMLSignatureRequestParser;
+import at.gv.egovernment.moa.spss.api.xmlbind.VerifyXMLSignatureResponseBuilder;
+import at.gv.egovernment.moa.spss.api.xmlverify.VerifyXMLSignatureRequest;
+import at.gv.egovernment.moa.spss.api.xmlverify.VerifyXMLSignatureResponse;
+import at.gv.egovernment.moa.spss.server.invoke.CMSSignatureVerificationInvoker;
+import at.gv.egovernment.moa.spss.server.invoke.XMLSignatureVerificationInvoker;
+import at.gv.egovernment.moaspss.util.Constants;
+
+import org.apache.commons.lang3.time.DateFormatUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.lang.Nullable;
+import org.springframework.stereotype.Service;
+import org.springframework.util.Base64Utils;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * MOA-Sig based signature verification implementation.
+ *
+ * @author tlenz
+ *
+ */
+@Service(value = "moaSigVerifyService")
+public class SignatureVerificationService extends AbstractSignatureService
+    implements ISignatureVerificationService {
+  private static final Logger log = LoggerFactory.getLogger(SignatureVerificationService.class);
+
+  private static final String XMLNS_NS_URI = Constants.XMLNS_NS_URI;
+  private static final String MOA_NS_URI = Constants.MOA_NS_URI;
+  private static final String DSIG = Constants.DSIG_PREFIX + ":";
+  private static final String DEFAULT_XPATH_SIGNATURE_LOCATION = "//" + DSIG + "Signature";
+
+  public static final String PATTERN_ISSUE_INSTANT = "yyyy-MM-dd'T'HH:mm:ssXXX";
+
+  private CMSSignatureVerificationInvoker cadesInvoker;
+  private XMLSignatureVerificationInvoker xadesInvocer;
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see at.gv.egiz.eid.authhandler.modules.sigverify.moasig.impl.
+   * ISignatureVerificationService# verifyCMSSignature(byte[], java.lang.String)
+   */
+  @Override
+  @Nullable
+  public ICmsSignatureVerificationResponse verifyCmsSignature(final byte[] signature,
+      final String trustProfileID) throws MoaSigServiceException {
+    try {
+      // setup context
+      setUpContexts(Thread.currentThread().getName());
+
+      // verify signature
+      final VerifyCMSSignatureRequest cmsSigVerifyReq =
+          buildVerfifyCmsRequest(signature, trustProfileID, false, false);
+      final VerifyCMSSignatureResponse cmsSigVerifyResp =
+          cadesInvoker.verifyCMSSignature(cmsSigVerifyReq);
+      return parseCmsVerificationResult(cmsSigVerifyResp);
+
+    } catch (final MOAException e) {
+      log.warn("CMS signature verification has an error.", e);
+      throw new MoaSigServiceException("service.03", new Object[] { e.toString() }, e);
+
+    } catch (final CertificateEncodingException e) {
+      log.warn("Can NOT serialize X509 certificate from CMS/CAdES signature-verification response",
+          e);
+      throw new MoaSigServiceException("service.03", new Object[] { e.toString() }, e);
+
+    } finally {
+      tearDownContexts();
+
+    }
+
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see at.gv.egiz.eid.authhandler.modules.sigverify.moasig.impl.
+   * ISignatureVerificationService# verifyXMLSignature(byte[], java.lang.String)
+   */
+  @Override
+  public IXmlSignatureVerificationResponse verifyXmlSignature(final byte[] signature,
+      final String trustProfileID) throws MoaSigServiceException {
+    return verifyXmlSignature(signature, trustProfileID, null, DEFAULT_XPATH_SIGNATURE_LOCATION, null);
+
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see at.gv.egiz.eid.authhandler.modules.sigverify.moasig.impl.
+   * ISignatureVerificationService# verifyXMLSignature(byte[], java.lang.String,
+   * java.util.List)
+   */
+  @Override
+  public IXmlSignatureVerificationResponse verifyXmlSignature(final byte[] signature,
+      final String trustProfileID, final List<String> verifyTransformsInfoProfileID)
+      throws MoaSigServiceException {
+    return verifyXmlSignature(signature, trustProfileID, verifyTransformsInfoProfileID,
+        DEFAULT_XPATH_SIGNATURE_LOCATION, null);
+  }
+
+  /*
+   * (non-Javadoc)
+   *
+   * @see at.gv.egiz.eid.authhandler.modules.sigverify.moasig.impl.
+   * ISignatureVerificationService# verifyXMLSignature(byte[], java.lang.String,
+   * java.lang.String)
+   */
+  @Override
+  public IXmlSignatureVerificationResponse verifyXmlSignature(final byte[] signature,
+      final String trustProfileID, final String signatureLocationXpath)
+      throws MoaSigServiceException {
+    return verifyXmlSignature(signature, trustProfileID, null, signatureLocationXpath, null);
+  }
+
+  @Override
+  public IXmlSignatureVerificationResponse verifyXmlSignature(byte[] signature, String trustProfileID,
+      Date signingDate) throws MoaSigServiceException {
+    return verifyXmlSignature(signature, trustProfileID, null,
+        DEFAULT_XPATH_SIGNATURE_LOCATION, signingDate);
+  }
+
+  @Override
+  public IXmlSignatureVerificationResponse verifyXmlSignature(final byte[] signature,
+      final String trustProfileID, final List<String> verifyTransformsInfoProfileID,
+      final String xpathSignatureLocation, Date signingDate) throws MoaSigServiceException {
+    try {
+      // setup context
+      setUpContexts(Thread.currentThread().getName());
+
+      // build signature-verification request
+      final Element domVerifyXmlSignatureRequest = buildVerifyXmlRequest(signature, trustProfileID,
+          verifyTransformsInfoProfileID, xpathSignatureLocation, signingDate);
+
+      // send signature-verification to MOA-Sig
+      final VerifyXMLSignatureRequest vsrequest =
+          new VerifyXMLSignatureRequestParser().parse(domVerifyXmlSignatureRequest);
+      final VerifyXMLSignatureResponse vsresponse = xadesInvocer.verifyXMLSignature(vsrequest);
+      final Document result = new VerifyXMLSignatureResponseBuilder(true).build(vsresponse);
+
+      // parses the <IXMLSignatureVerificationResponse>
+      final IXmlSignatureVerificationResponse verifyXmlSignatureResponse =
+          new VerifyXmlSignatureResponseParser(result.getDocumentElement()).parseData();
+
+      return verifyXmlSignatureResponse;
+
+    } catch (final MoaSigServiceException e) {
+      throw e;
+
+    } catch (final MOAException e) {
+      log.warn("MOA-Sig signature-verification has an internal error." + " MsgCode: "
+          + e.getMessageId() + " Msg: " + e.getMessage(), e);
+      throw new MoaSigServiceException("service.moasig.03", new Object[] { e.getMessage() }, e);
+
+    } finally {
+      tearDownContexts();
+
+    }
+  }
+
+  private ICmsSignatureVerificationResponse parseCmsVerificationResult(
+      final VerifyCMSSignatureResponse cmsSigVerifyResp) throws CertificateEncodingException {
+
+    if (cmsSigVerifyResp.getResponseElements() == null
+        || cmsSigVerifyResp.getResponseElements().isEmpty()) {
+      log.info("No CMS signature FOUND. ");
+      return null;
+
+    }
+
+    if (cmsSigVerifyResp.getResponseElements().size() > 1) {
+      log.warn(
+          "CMS or CAdES signature contains more than one technical signatures. Only validate the first signature");
+    }
+
+    final VerifyCMSSignatureResponseElement firstSig =
+        (VerifyCMSSignatureResponseElement) cmsSigVerifyResp.getResponseElements().get(0);
+
+    final at.gv.egiz.eaaf.modules.sigverify.moasig.impl.data.VerifyCmsSignatureResponse result =
+        new at.gv.egiz.eaaf.modules.sigverify.moasig.impl.data.VerifyCmsSignatureResponse();
+
+    // parse results into response container
+    result.setSignatureCheckCode(firstSig.getSignatureCheck().getCode());
+    result.setCertificateCheckCode(firstSig.getCertificateCheck().getCode());
+
+    if (firstSig.getSignerInfo() != null) {
+      result.setSigningDateTime(firstSig.getSignerInfo().getSigningTime());
+      result
+          .setX509CertificateEncoded(firstSig.getSignerInfo().getSignerCertificate().getEncoded());
+      result.setQualifiedCertificate(firstSig.getSignerInfo().isQualifiedCertificate());
+
+      result.setPublicAuthority(firstSig.getSignerInfo().isPublicAuthority());
+      result.setPublicAuthorityCode(firstSig.getSignerInfo().getPublicAuhtorityID());
+
+    } else {
+      log.info("CMS or CAdES verification result contains no SignerInfo");
+    }
+
+    return result;
+  }
+
+  /**
+   * Build a VerifyCMS-Siganture request for MOA-Sig. <br>
+   * <br>
+   * This builder only generates verification-request for enveloped CMS or CAdES
+   * signatures <br>
+   * This
+   *
+   * @param signature                 CMS or CAdES signature
+   * @param trustProfileID            trustProfileID MOA-Sig Trust-Profile
+   * @param isPdfSignature            Make CAdES signature as part of an PAdES
+   *                                  document
+   * @param performExtendedValidation To extended validation. See MOA-Sig
+   *                                  documentation for detailed information
+   * @return
+   */
+  private VerifyCMSSignatureRequest buildVerfifyCmsRequest(final byte[] signature,
+      final String trustProfileID, final boolean isPdfSignature,
+      final boolean performExtendedValidation) {
+    final VerifyCMSSignatureRequestImpl verifyCmsSignatureRequest =
+        new VerifyCMSSignatureRequestImpl();
+    verifyCmsSignatureRequest.setDateTime(null);
+    verifyCmsSignatureRequest.setCMSSignature(new ByteArrayInputStream(signature));
+    verifyCmsSignatureRequest.setDataObject(null);
+    verifyCmsSignatureRequest.setTrustProfileId(trustProfileID);
+    verifyCmsSignatureRequest.setSignatories(VerifyCMSSignatureRequest.ALL_SIGNATORIES);
+    verifyCmsSignatureRequest.setPDF(isPdfSignature);
+    verifyCmsSignatureRequest.setExtended(performExtendedValidation);
+    return verifyCmsSignatureRequest;
+
+  }
+
+  /**
+   * Build a VerifyXML-Signature request for MOA-Sig.
+   *
+   * @param signature                     Serialized XML signature
+   * @param trustProfileID                MOA-Sig Trust-Profile
+   * @param verifyTransformsInfoProfileID {@link List} of Transformation-Profiles
+   *                                      used for validation
+   * @param xpathSignatureLocation        Xpath that points to location of
+   *                                      Signature element
+   * @param  sigValDate Signature timestamp
+   * @return MOA-Sig verification request element
+   * @throws MoaSigServiceBuilderException In case of an error
+   */
+  private Element buildVerifyXmlRequest(final byte[] signature, final String trustProfileID,
+      final List<String> verifyTransformsInfoProfileID, final String xpathSignatureLocation,
+      Date sigValDate) throws MoaSigServiceBuilderException {
+    try {
+      // build empty document
+      final Document requestDoc_ = getNewDocumentBuilder();
+
+      final Element requestElem_ =
+          requestDoc_.createElementNS(MOA_NS_URI, "VerifyXMLSignatureRequest");
+      requestElem_.setAttributeNS(XMLNS_NS_URI, "xmlns", MOA_NS_URI);
+      requestElem_.setAttributeNS(XMLNS_NS_URI, "xmlns:" + Constants.DSIG_PREFIX,
+          Constants.DSIG_NS_URI);
+      requestDoc_.appendChild(requestElem_);
+
+      // build the request
+
+      // build set signing time
+      if (sigValDate != null) {
+        final Element dateTimeElem = requestDoc_.createElementNS(MOA_NS_URI, "DateTime");
+        requestElem_.appendChild(dateTimeElem);
+        final Node dateTime = requestDoc_.createTextNode(
+            DateFormatUtils.format(sigValDate, PATTERN_ISSUE_INSTANT));
+        dateTimeElem.appendChild(dateTime);
+
+      }
+
+      //set other parameters
+      final Element verifiySignatureInfoElem =
+          requestDoc_.createElementNS(MOA_NS_URI, "VerifySignatureInfo");
+      requestElem_.appendChild(verifiySignatureInfoElem);
+      final Element verifySignatureEnvironmentElem =
+          requestDoc_.createElementNS(MOA_NS_URI, "VerifySignatureEnvironment");
+      verifiySignatureInfoElem.appendChild(verifySignatureEnvironmentElem);
+      final Element base64ContentElem = requestDoc_.createElementNS(MOA_NS_URI, "Base64Content");
+      verifySignatureEnvironmentElem.appendChild(base64ContentElem);
+
+      // insert the base64 encoded signature
+      String base64EncodedAssertion = Base64Utils.encodeToString(signature);
+      // replace all '\r' characters by no char.
+      final StringBuffer replaced = new StringBuffer();
+      for (int i = 0; i < base64EncodedAssertion.length(); i++) {
+        final char c = base64EncodedAssertion.charAt(i);
+        if (c != '\r') {
+          replaced.append(c);
+        }
+      }
+      base64EncodedAssertion = replaced.toString();
+      final Node base64Content = requestDoc_.createTextNode(base64EncodedAssertion);
+      base64ContentElem.appendChild(base64Content);
+
+      // specify the signature location
+      final Element verifySignatureLocationElem =
+          requestDoc_.createElementNS(MOA_NS_URI, "VerifySignatureLocation");
+      verifiySignatureInfoElem.appendChild(verifySignatureLocationElem);
+      final Node signatureLocation = requestDoc_.createTextNode(xpathSignatureLocation);
+      verifySignatureLocationElem.appendChild(signatureLocation);
+
+      // signature manifest params
+      if (verifyTransformsInfoProfileID != null && !verifyTransformsInfoProfileID.isEmpty()) {
+        final Element signatureManifestCheckParamsElem =
+            requestDoc_.createElementNS(MOA_NS_URI, "SignatureManifestCheckParams");
+        requestElem_.appendChild(signatureManifestCheckParamsElem);
+        signatureManifestCheckParamsElem.setAttribute("ReturnReferenceInputData", "false");
+
+        // verify transformations
+        final Element referenceInfoElem = requestDoc_.createElementNS(MOA_NS_URI, "ReferenceInfo");
+        signatureManifestCheckParamsElem.appendChild(referenceInfoElem);
+        for (final String element : verifyTransformsInfoProfileID) {
+          final Element verifyTransformsInfoProfileIdElem =
+              requestDoc_.createElementNS(MOA_NS_URI, "VerifyTransformsInfoProfileID");
+          referenceInfoElem.appendChild(verifyTransformsInfoProfileIdElem);
+          verifyTransformsInfoProfileIdElem.appendChild(requestDoc_.createTextNode(element));
+
+        }
+      }
+
+      // hashinput data
+      final Element returnHashInputDataElem =
+          requestDoc_.createElementNS(MOA_NS_URI, "ReturnHashInputData");
+      requestElem_.appendChild(returnHashInputDataElem);
+
+      // add trustProfileID
+      final Element trustProfileIdElem = requestDoc_.createElementNS(MOA_NS_URI, "TrustProfileID");
+      trustProfileIdElem.appendChild(requestDoc_.createTextNode(trustProfileID));
+      requestElem_.appendChild(trustProfileIdElem);
+
+      return requestElem_;
+
+    } catch (final Throwable t) {
+      log.warn("Can NOT build VerifyXML-Signature request for MOA-Sig", t);
+      throw new MoaSigServiceBuilderException("service.moasig.03", new Object[] { t.getMessage() },
+          t);
+
+    }
+
+  }
+
+  @PostConstruct
+  protected void internalInitializer() {
+    log.debug("Instanzing SignatureVerificationService implementation ... ");
+    // svs =
+    // at.gv.egovernment.moa.spss.api.SignatureVerificationService.getInstance();
+    cadesInvoker = CMSSignatureVerificationInvoker.getInstance();
+    xadesInvocer = XMLSignatureVerificationInvoker.getInstance();
+    log.info("MOA-Sig signature-verification service initialized");
+
+  }
+
+}