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

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

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/*
 * Copyright  1999-2011 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 java.io.FileInputStream;
import java.io.FileNotFoundException;

import javax.xml.parsers.DocumentBuilderFactory;

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;

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

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

    /** Field schemaValidate */
    static final boolean schemaValidate = false;

    /** Field signatureSchemaFile */
    static final String signatureSchemaFile = "data/xmldsig-core-schema.xsd";

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

        if (schemaValidate) {
            System.out.println("We do schema-validation");
        } else {
            System.out.println("We do not schema-validation");
        }

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

        if (VerifyMerlinsExamplesSixteen.schemaValidate) {
            dbf.setAttribute("http://apache.org/xml/features/validation/schema", Boolean.TRUE);
            dbf.setAttribute("http://apache.org/xml/features/dom/defer-node-expansion", Boolean.TRUE);
            dbf.setValidating(true);
            dbf.setAttribute("http://xml.org/sax/features/validation", Boolean.TRUE);
            dbf.setAttribute("http://apache.org/xml/properties/schema/external-schemaLocation",
                    Constants.SignatureSpecNS + " " + VerifyMerlinsExamplesSixteen.signatureSchemaFile);
        }

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

        //J-
        String merlinsDir = "data/ie/baltimore/merlin-examples/merlin-xmldsig-fifteen/";
        String filenames[] = { merlinsDir + "signature-enveloping-hmac-sha1.xml",
                merlinsDir + "signature-enveloped-dsa.xml", merlinsDir + "signature-enveloping-b64-dsa.xml",
                merlinsDir + "signature-enveloping-dsa.xml", merlinsDir + "signature-enveloping-rsa.xml",
                merlinsDir + "signature-external-b64-dsa.xml", merlinsDir + "signature-external-dsa.xml" };

        try {
            verifyHMAC(dbf, filenames[0]);
        } catch (Exception ex) {
            ex.printStackTrace();
        }

        for (int i = 1; i < filenames.length; i++) {
            String signatureFileName = filenames[i];

            try {
                VerifyMerlinsExamplesSixteen.verify(dbf, signatureFileName);
            } catch (Exception ex) {
                ex.printStackTrace();
            }
        }
    }

    /**
     * Method verify
     *
     * @param dbf
     * @param filename
     * @throws Exception
     */
    public static void verifyHMAC(DocumentBuilderFactory dbf, String filename) throws Exception {

        File f = new File(filename);

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

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

        if (VerifyMerlinsExamplesSixteen.schemaValidate) {
            db.setErrorHandler(new org.apache.xml.security.utils.IgnoreAllErrorHandler());
            db.setEntityResolver(new org.xml.sax.EntityResolver() {

                public org.xml.sax.InputSource resolveEntity(String publicId, String systemId)
                        throws org.xml.sax.SAXException {

                    if (systemId.endsWith("xmldsig-core-schema.xsd")) {
                        try {
                            return new org.xml.sax.InputSource(new FileInputStream(signatureSchemaFile));
                        } catch (FileNotFoundException ex) {
                            throw new org.xml.sax.SAXException(ex);
                        }
                    } else {
                        return null;
                    }
                }
            });
        }

        org.w3c.dom.Document doc = db.parse(new java.io.FileInputStream(f));

        Element nscontext = SampleUtils.createDSctx(doc, "ds", Constants.SignatureSpecNS);
        Element sigElement = (Element) XPathAPI.selectSingleNode(doc, "//ds:Signature[1]", nscontext);
        XMLSignature signature = new XMLSignature(sigElement, f.toURL().toString());

        // signature.addResourceResolver(new OfflineResolver());

        byte keybytes[] = "secret".getBytes("ASCII");
        javax.crypto.SecretKey sk = signature.createSecretKey(keybytes);

        System.out.println("The XML signature in file " + f.toURL().toString() + " is "
                + (signature.checkSignatureValue(sk) ? "valid (good)" : "invalid !!!!! (bad)"));
    }

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