src_samples/org/apache/xml/security/samples/keys/RetrievePublicKeys.java

/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  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 org.apache.xml.security.samples.keys;



import java.io.File;
import java.security.PublicKey;

import org.apache.xml.security.keys.KeyInfo;
import org.apache.xml.security.keys.storage.StorageResolver;
import org.apache.xml.security.keys.storage.implementations.CertsInFilesystemDirectoryResolver;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;
import org.apache.xpath.XPathAPI;
import org.w3c.dom.Element;


/**
 *
 * @author $Author$
 */
public class RetrievePublicKeys {

   /**
    * Method main
    *
    * @param unused
    */
   public static void main(String unused[]) {

      javax.xml.parsers.DocumentBuilderFactory dbf =
         javax.xml.parsers.DocumentBuilderFactory.newInstance();

      dbf.setNamespaceAware(true);

      //J-
      String merlinsDir =
         "data/ie/baltimore/merlin-examples/merlin-xmldsig-eighteen/";
      String ourDir =
         "data/org/apache/xml/security/temp/key/";
      String filenames[] = { merlinsDir +
                             /* 0 */ "signature-keyname.xml",
                             merlinsDir +
                             /* 1 */ "signature-retrievalmethod-rawx509crt.xml",
                             merlinsDir +
                             /* 2 */ "signature-x509-crt-crl.xml",
                             merlinsDir +
                             /* 3 */ "signature-x509-crt.xml",
                             merlinsDir +
                             /* 4 */ "signature-x509-is.xml",
                             merlinsDir +
                             /* 5 */ "signature-x509-ski.xml",
                             merlinsDir +
                             /* 6 */ "signature-x509-sn.xml",
                             ourDir +
                             /* 7 */ "signature-retrievalmethod-x509data.xml",
                             ourDir +
                             /* 8 */ "signature-retrievalmethod-dsavalue.xml",
                             ourDir +
                             /* 9 */ "retrieval-from-same-doc.xml"
                             };
      //J+
      int start = 0;
      int end = filenames.length;
      // int end = filenames.length;
      for (int filetoverify = start; filetoverify < end;
              filetoverify++) {
         String filename = filenames[filetoverify];

         System.out.println(
            "#########################################################");
         System.out.println("Try to verify " + filename);

         try {
            javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder();
            org.w3c.dom.Document doc =
               db.parse(new java.io.FileInputStream(filename));
            Element nscontext = XMLUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS);

            Element kiElement = (Element) XPathAPI.selectSingleNode(doc,
                                   "//ds:KeyInfo[1]", nscontext);
            KeyInfo ki = new KeyInfo(kiElement,
                                     (new File(filename)).toURL().toString());
            StorageResolver storageResolver = new StorageResolver(
               new CertsInFilesystemDirectoryResolver(merlinsDir + "certs"));

            ki.addStorageResolver(storageResolver);

            PublicKey pk = ki.getPublicKey();

            System.out.println("PublicKey" + ((pk != null)
                                              ? " found:"
                                              : " not found!!!"));

            if (pk != null) {
               System.out.println("   Format: " + pk.getFormat());
               System.out.println("   Algorithm: " + pk.getAlgorithm());
            }

            System.out.println("   Key: " + pk);
         } catch (Exception ex) {
            ex.printStackTrace();
         }
      }
   }
}