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authortknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>2013-01-09 15:41:29 +0000
committertknall <tknall@7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c>2013-01-09 15:41:29 +0000
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tree0804f301c1a9ceb303a8441b7b29244fc8eb7ff0 /src/main/java/at/knowcenter/wag/egov/egiz/sig/connectors/mocca/MOCCAHelper.java
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-/**
- * <copyright> Copyright 2006 by Know-Center, Graz, Austria </copyright>
- * PDF-AS has been contracted by the E-Government Innovation Center EGIZ, a
- * joint initiative of the Federal Chancellery Austria and Graz University of
- * Technology.
- *
- * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
- * the European Commission - subsequent versions of the EUPL (the "Licence");
- * You may not use this work except in compliance with the Licence.
- * You may obtain a copy of the Licence at:
- * http://www.osor.eu/eupl/
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the Licence is distributed on an "AS IS" basis,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the Licence for the specific language governing permissions and
- * limitations under the Licence.
- *
- * This product combines work with different licenses. See the "NOTICE" text
- * file for details on the various modules and licenses.
- * The "NOTICE" text file is part of the distribution. Any derivative works
- * that you distribute must include a readable copy of the "NOTICE" text file.
- */
-package at.knowcenter.wag.egov.egiz.sig.connectors.mocca;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.UnsupportedEncodingException;
-import java.security.cert.CertificateException;
-import java.security.cert.CertificateFactory;
-import java.security.cert.X509Certificate;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-
-import at.gv.egiz.pdfas.algorithmSuite.AlgorithmMapper;
-import at.gv.egiz.pdfas.algorithmSuite.AlgorithmSuiteObject;
-import at.gv.egiz.pdfas.algorithmSuite.AlgorithmSuiteUtil;
-import at.knowcenter.wag.egov.egiz.exceptions.ConnectorException;
-import at.knowcenter.wag.egov.egiz.sig.SignatureObject;
-import at.knowcenter.wag.egov.egiz.sig.X509Cert;
-import at.knowcenter.wag.egov.egiz.sig.connectors.ConnectorEnvironment;
-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.BKUHelper;
-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;
-import at.knowcenter.wag.egov.egiz.sig.connectors.moa.MOASoapWithAttachmentConnector.Environment;
-import at.knowcenter.wag.egov.egiz.sig.sigid.IdFormatter;
-import at.knowcenter.wag.egov.egiz.tools.CodingHelper;
-
-/**
- * Provides useful methods for the usage of the open source cce mocca.
- *
- * @author tknall
- */
-public final class MOCCAHelper {
-
- /**
- * Prevents this plain util class from being instantiated.
- */
- private MOCCAHelper() {
- }
-
- /**
- * The logging implementation.
- */
- private final static Log log = LogFactory.getLog(MOCCAHelper.class);
-
- /**
- * This method parses the signature creation response of the signature
- * device mocca.
- *
- * @param xmlResponse The response string.
- * @return Returns the parsed signature object holding the data.
- * @see SignatureObject
- * @see CodingHelper
- * @see X509Cert
- */
- public final static SignSignatureObject parseCreateXMLResponse(String xmlResponse, IdFormatter id_formatter, ConnectorEnvironment environment) throws ConnectorException {
-
- if (log.isDebugEnabled()) {
- log.debug("xmlResponse = " + xmlResponse);
- }
-
- Pattern iss_nam_p_s = Pattern.compile("<[\\w]*:?X509IssuerName[^>]*>");
- Pattern iss_nam_p_e = Pattern.compile("</[\\w]*:?X509IssuerName>");
- Pattern sig_tim_p_s = Pattern.compile("<[\\w]*:?SigningTime>");
- Pattern sig_tim_p_e = Pattern.compile("</[\\w]*:?SigningTime>");
- Pattern ser_num_p_s = Pattern.compile("<[\\w]*:?X509SerialNumber[^>]*>");
- Pattern ser_num_p_e = Pattern.compile("</[\\w]*:?X509SerialNumber>");
- Pattern sig_cer_p_s = Pattern.compile("<[\\w]*:?X509Certificate>");
- Pattern sig_cer_p_e = Pattern.compile("</[\\w]*:?X509Certificate>");
-
- Matcher iss_nam_m_s = iss_nam_p_s.matcher(xmlResponse);
- Matcher iss_nam_m_e = iss_nam_p_e.matcher(xmlResponse);
- Matcher sig_tim_m_s = sig_tim_p_s.matcher(xmlResponse);
- Matcher sig_tim_m_e = sig_tim_p_e.matcher(xmlResponse);
- Matcher ser_num_m_s = ser_num_p_s.matcher(xmlResponse);
- Matcher ser_num_m_e = ser_num_p_e.matcher(xmlResponse);
- Matcher sig_cer_m_s = sig_cer_p_s.matcher(xmlResponse);
- Matcher sig_cer_m_e = sig_cer_p_e.matcher(xmlResponse);
-
- // SignatureValue
- String sig_val = null;
- Pattern signatureValuePattern = Pattern.compile("<(\\w+:)?SignatureValue( Id=\"[\\w-]+\")?>\\s*(.*)\\s*</(\\w+:)?SignatureValue>", Pattern.DOTALL);
- Matcher signatureValueMatcher = signatureValuePattern.matcher(xmlResponse);
- if (signatureValueMatcher.find()) {
- sig_val = signatureValueMatcher.group(3);
- if (sig_val != null) {
- sig_val = sig_val.replaceAll("\\s", "");
- }
- }
- log.debug("sig_val = " + sig_val);
-
- // X509IssuerName
- String iss_nam = null;
- if (iss_nam_m_s.find() && iss_nam_m_e.find()) {
- iss_nam = xmlResponse.substring(iss_nam_m_s.end(), iss_nam_m_e.start());
- }
- log.debug("iss_nam = " + iss_nam);
-
- // X509SerialNumber
- String ser_num = null;
- if (ser_num_m_s.find() && ser_num_m_e.find()) {
- ser_num = BKUHelper.removeAllWhitespace(xmlResponse.substring(ser_num_m_s.end(), ser_num_m_e.start()));
- }
- log.debug("ser_num = " + ser_num);
-
- // SigningTime
- String sig_tim = null;
- if (sig_tim_m_s.find() && sig_tim_m_e.find()) {
- sig_tim = xmlResponse.substring(sig_tim_m_s.end(), sig_tim_m_e.start());
- }
- log.debug("sig_tim = " + sig_tim);
-
- // X509Certificate
- X509Certificate cert = null;
- if (sig_cer_m_s.find() && sig_cer_m_e.find()) {
- String sig_cer = BKUHelper.removeAllWhitespace(xmlResponse.substring(sig_cer_m_s.end(), sig_cer_m_e.start()));
-
- try {
- byte[] der = CodingHelper.decodeBase64(sig_cer);
- ByteArrayInputStream bais = new ByteArrayInputStream(der);
- CertificateFactory cf = CertificateFactory.getInstance("X.509");
- cert = (X509Certificate) cf.generateCertificate(bais);
- bais.close();
- } catch (UnsupportedEncodingException e) {
- throw new ConnectorException(300, e);
- } catch (CertificateException e) {
- throw new ConnectorException(300, e);
- } catch (IOException e) {
- throw new ConnectorException(300, e);
- }
- }
- log.debug("X509Certificate = " + cert);
-
- if (log.isDebugEnabled()) {
-
- String cert_iss = cert.getIssuerDN().getName();
- log.debug("certificate's issuer = " + cert_iss);
- log.debug("response's issuer = " + iss_nam);
- log.debug("issuer matches = " + cert_iss.equals(iss_nam));
- log.debug("ser number matches = " + cert.getSerialNumber().toString().equals(ser_num));
- }
-
- SignSignatureObject so = new SignSignatureObject();
-
- // extract Signature Id's
- String[] ids = extractIds(xmlResponse);
- // dferbas
- String algs = AlgorithmSuiteUtil.extractAlgorithmSuiteString(xmlResponse);
-
- AlgorithmSuiteObject suite = new AlgorithmSuiteObject(algs, false);
- so.sigAlgorithm = AlgorithmMapper.getUri(suite.getSignatureMethod());
-
- String defaultCertAlg = environment.getDefaultAlgForCert(cert);
-
- if (AlgorithmSuiteUtil.isDefaultCertAlg(algs, defaultCertAlg)) {
- // do not embed default alg
- algs = null;
- }
-
- String final_ids = id_formatter.formatIds(ids, algs);
-
-
- so.date = sig_tim;
- so.issuer = iss_nam;
- so.signatureValue = sig_val;
- so.x509Certificate = cert;
-
- so.id = final_ids;
-
- return so;
- }
-
- /**
- * Extraction of the id attributes from the xml response.
- *
- * @param xmlResponse The xml response.
- * @return The parsed id attributes.
- */
- public final static String[] extractIds(String xmlResponse) {
- return new String[] { extractId(xmlResponse) };
- }
-
- /**
- * There is only one special common part of all id attributes of this
- * connector that has to be stored. This method returns that single part.
- *
- * @param xmlResponse The xml response.
- * @return The parsed common part of all id attributes.
- */
- private final static String extractId(String xmlResponse) {
- final Pattern ID_PATTERN = Pattern.compile("Id\\s*=\\s*\"\\s*Signature-([\\p{XDigit}]+)-\\d+\\s*\"");
- Matcher matcher = ID_PATTERN.matcher(xmlResponse);
- if (matcher.find() && matcher.groupCount() > 0) {
- return matcher.group(1);
- }
- return null;
- }
-
-}