org.apache.xml.security.samples.signature.VerifyCollectableSignature.java Source code

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Here is the source code for org.apache.xml.security.samples.signature.VerifyCollectableSignature.java

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/*
 * 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.signature;

import java.io.File;

import org.apache.xml.security.signature.SignedInfo;
import org.apache.xml.security.signature.XMLSignature;
import org.apache.xml.security.samples.SampleUtils;
import org.apache.xml.security.utils.Constants;
import org.apache.xml.security.utils.XMLUtils;
import org.apache.xpath.XPathAPI;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;

/**
 *
 * @author $Author: mullan $
 */
public class VerifyCollectableSignature {

    /** {@link org.apache.commons.logging} logging facility */
    static org.apache.commons.logging.Log log = org.apache.commons.logging.LogFactory
            .getLog(VerifyCollectableSignature.class.getName());

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

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

        dbf.setNamespaceAware(true);
        dbf.setAttribute("http://xml.org/sax/features/namespaces", Boolean.TRUE);

        try {
            File signatureFile = new File("collectableSignature.xml");
            String BaseURI = signatureFile.toURL().toString();

            System.out.println("Try to verify " + signatureFile.toURL().toString());

            javax.xml.parsers.DocumentBuilder db = dbf.newDocumentBuilder();

            db.setErrorHandler(new org.apache.xml.security.utils.IgnoreAllErrorHandler());

            org.w3c.dom.Document doc = db.parse(new java.io.FileInputStream(signatureFile));
            Element nscontext = SampleUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS);
            NodeList signatureElems = XPathAPI.selectNodeList(doc, "//ds:Signature", nscontext);

            for (int i = 0; i < signatureElems.getLength(); i++) {
                Element sigElement = (Element) signatureElems.item(i);
                XMLSignature signature = new XMLSignature(sigElement, BaseURI);
                byte[] secretKey = "secretValue".getBytes();

                System.out.println("The XML signature number " + i + " in file " + BaseURI + " is "
                        + (signature.checkSignatureValue(
                                signature.createSecretKey(CreateCollectableSignature.passphrase.getBytes()))
                                        ? "valid (good)"
                                        : "invalid !!!!! (bad)"));

                SignedInfo s = signature.getSignedInfo();

                for (int j = 0; j < s.getSignedContentLength(); j++) {
                    System.out.println("################ Signed Resource " + i + "/" + j + " ################");
                    System.out.println(new String(s.getSignedContentItem(j)));
                    System.out.println();
                }
            }
        } catch (Exception ex) {
            ex.printStackTrace();
        }
    }

    static {
        org.apache.xml.security.Init.init();
    }
}