aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java
diff options
context:
space:
mode:
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
commit535a04fa05f739ec16dd81666e3b0f82dfbd442d (patch)
tree0804f301c1a9ceb303a8441b7b29244fc8eb7ff0 /src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java
parent1efaf6fd5619dfa95c9d7e8c71eda4c2ffba4998 (diff)
downloadpdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.tar.gz
pdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.tar.bz2
pdf-as-3-535a04fa05f739ec16dd81666e3b0f82dfbd442d.zip
pdf-as-lib maven project files moved to pdf-as-lib
git-svn-id: https://joinup.ec.europa.eu/svn/pdf-as/pdf-as/trunk@926 7b5415b0-85f9-ee4d-85bd-d5d0c3b42d1c
Diffstat (limited to 'src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java')
-rw-r--r--src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java230
1 files changed, 0 insertions, 230 deletions
diff --git a/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java b/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java
deleted file mode 100644
index eba63c7..0000000
--- a/src/main/java/at/gv/egiz/pdfas/algorithmSuite/AlgorithmSuiteUtil.java
+++ /dev/null
@@ -1,230 +0,0 @@
-/**
- * <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.gv.egiz.pdfas.algorithmSuite;
-
-import java.security.cert.X509Certificate;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.regex.Matcher;
-import java.util.regex.Pattern;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-
-import at.knowcenter.wag.egov.egiz.sig.connectors.ConnectorEnvironment;
-import at.knowcenter.wag.egov.egiz.sig.connectors.TemplateReplaces;
-import at.knowcenter.wag.egov.egiz.sig.connectors.bku.SignSignatureObject;
-
-/**
- * Utility class for handling dynamic algorithm suites
- *
- * @author dferbas
- *
- */
-public class AlgorithmSuiteUtil {
- private static Log log = LogFactory.getLog(AlgorithmSuiteUtil.class);
-
- /**
- * Creates new verify_xml, evaluates algorithm suite and replaces methods in verify_xml
- *
- * @param algSuite <code>out-param</code> empty algorithm suite object
- * @param environment connector environment to load verify template
- * @param so signsignator object
- * @return verify xml
- */
- public static String evaluateReplaceAlgs(AlgorithmSuiteObject algSuite, ConnectorEnvironment environment, SignSignatureObject so) {
-
- String verify_template = environment.getVerifyTemplate();
-
- String cert_alg = null;
- String verify_xml = null;
- X509Certificate cert = so.getX509Certificate();
- String ids_string = so.getSigID();
-
- //AlgorithmSuiteObject algSuite = new AlgorithmSuiteObject(ids_string);
- algSuite.parseFrom(ids_string, true);
- // 1. is specified in sig_id
- if (algSuite.isSpecified()) {
- log.debug("Algorithm suite defined as parameter. Using new dynamic template replacement.");
- cert_alg = AlgorithmMapper.getUri(algSuite.getSignatureMethod());
-
- // 2. is specified in /alg replace -> baik
- } else if (so.getSigAlgorithm() != null && so.getSigAlgorithm().length() > 0) {
- String algAbbr = AlgorithmMapper.getAbbreviation(so.getSigAlgorithm());
- algSuite.parseFrom(algAbbr, false);
-
- if (algSuite.isSpecified()) {
- log.debug("Algorithm /alg available. Using: " + so.getSigAlgorithm());
- cert_alg = AlgorithmMapper.getUri(algSuite.getSignatureMethod());
-// algSuite.setCertDigestMethod("sha1");
- //algSuite.setPropertiesDigestMethod("sha1");
- }
- }
-
- // 3. default
- if (cert_alg == null) {
- log.debug("NO algorithm suite defined. Using default old static algorithm.");
-
- cert_alg = environment.getCertAlgEcdsa();
- if (cert.getPublicKey().getAlgorithm().indexOf("RSA") >= 0) //$NON-NLS-1$
- {
- cert_alg = environment.getCertAlgRsa();
- }
-
- // fix digest methods to sha1 for old algorithm
- String oldDigest = "sha1";
- algSuite.setCertDigestMethod(oldDigest);
- algSuite.setDataDigestMethod(oldDigest);
- algSuite.setPropertiesDigestMethod(oldDigest);
-
- }
-
- // cert alg replace
- verify_xml = verify_template.replaceFirst(TemplateReplaces.CERT_ALG_REPLACE, cert_alg);
-
- // digest method replaces
- verify_xml = verify_xml.replaceFirst(TemplateReplaces.DATA_DIGEST_REPLACE,
- AlgorithmMapper.getUri(algSuite.getDataDigestMethod()));
- verify_xml = verify_xml.replaceFirst(TemplateReplaces.PROPERTIES_DIGEST_REPLACE,
- AlgorithmMapper.getUri(algSuite.getPropertiesDigestMethod()));
- verify_xml = verify_xml.replaceFirst(TemplateReplaces.CERT_DIGEST_REPLACE,
- AlgorithmMapper.getUri(algSuite.getCertDigestMethod()));
- return verify_xml;
- }
-
-
- /**
- * Extract algorithm suite as optimized string from <code>CreateXMLSignatureResponse<code>
- *
- * @param xmlResponse
- * @return algorith suite string
- */
- public static String extractAlgorithmSuiteString(String xmlResponse) {
-
- String elem = findFirstElement(xmlResponse, "SignatureMethod");
-
- String alg = findAttributeValue(elem, "Algorithm");
-
- List digAlgs = findAllAttributeValues(xmlResponse, "DigestMethod", "Algorithm");
-
- digAlgs.add(0, AlgorithmMapper.getHashUriFromSuite(alg));
-
- reduceDigestAlgs(digAlgs);
-
- digAlgs.remove(0);
-
- return createSigDevString(alg, digAlgs);
-
- }
-
- public static boolean isDefaultCertAlg(String algsString, String defaultCertAlg) {
- return AlgorithmMapper.getAbbreviation(defaultCertAlg).equals(algsString);
- }
-
- private static String createSigDevString(String suite, List digAlgs) {
- StringBuffer sb = new StringBuffer(AlgorithmMapper.getAbbreviation(suite));
- for (Iterator iterator = digAlgs.iterator(); iterator.hasNext();) {
- String dig = (String) iterator.next();
- sb.append(":").append(AlgorithmMapper.getAbbreviation(dig));
- }
- return sb.toString();
- }
-
- private static String findAttributeValue(String elemContent, String attrName) {
-
- String sig_alg = removeAllWhitespace(elemContent);
-
- attrName += "=\"";
- int start = sig_alg.indexOf(attrName) + attrName.length();
- int end = sig_alg.indexOf("\"", start);
- return sig_alg.substring(start, end);
-
- }
-
- private static String findFirstElement(String xml, String elemName) {
- Pattern p = Pattern.compile("<[\\w]*:?" + elemName);
- Matcher m = p.matcher(xml);
- if (m.find()) {
- int start = m.start();
- int end = xml.indexOf("/>", start) + 2;
- return xml.substring(start, end);
- }
- return null;
- }
-
- private static List findElements(String xml, String elemName) {
- Pattern p = Pattern.compile("<[\\w]*:?" + elemName);
- Matcher m = p.matcher(xml);
- ArrayList res = new ArrayList();
- while (m.find()) {
- int start = m.start();
- int end = xml.indexOf("/>", start) + 2;
- res.add(xml.substring(start, end));
- }
- return res;
- }
-
- private static String findAttributeValue(String xmlContent, String elemName, String attrName) {
- String elemCont = findFirstElement(xmlContent, elemName);
- return findAttributeValue(elemCont, attrName);
- }
-
- private static List findAllAttributeValues(String xmlContent, String elemName, String attrName) {
- List elemConts = findElements(xmlContent, elemName);
- ArrayList res = new ArrayList();
- for (int i = 0; i < elemConts.size(); i++) {
- res.add(findAttributeValue((String) elemConts.get(i), attrName));
- }
- return res;
- }
-
- /**
- * Helper method to remove whitespaces from a string
- * @param str
- * @return
- */
- public static String removeAllWhitespace(String str) {
- return str.replaceAll("\\s", ""); //$NON-NLS-1$ //$NON-NLS-2$
- }
-
- private static void reduceDigestAlgs(List digestAlgs) {
- if (digestAlgs == null)
- return;
- reduceDigestAlgsRec(digestAlgs, digestAlgs.size() - 1);
- }
-
- private static void reduceDigestAlgsRec(List digestAlgs, int act) {
- if (act <= 0)
- return;
- else if (digestAlgs.get(act - 1).equals(digestAlgs.get(act))) {
- // reduce
- digestAlgs.remove(act);
- reduceDigestAlgsRec(digestAlgs, act - 1);
- } else {
- return;
- }
- }
-
-}