org.globus.gsi.bc.BouncyCastleCertProcessingFactoryTest.java Source code

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/*
 * Copyright 1999-2010 University of Chicago
 *
 * 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.globus.gsi.bc;

import java.util.Set;
import java.security.cert.X509Certificate;
import org.globus.gsi.GlobusCredential;
import org.globus.gsi.GSIConstants;
import org.globus.gsi.X509ExtensionSet;
import org.globus.gsi.X509Extension;
import org.globus.gsi.bc.BouncyCastleCertProcessingFactory;
import org.globus.gsi.bc.BouncyCastleX509Extension;
import org.globus.gsi.proxy.ext.ProxyPolicy;
import org.globus.gsi.proxy.ext.ProxyCertInfo;
import org.globus.gsi.proxy.ext.ProxyCertInfoExtension;

import org.bouncycastle.asn1.ASN1Boolean;
import org.bouncycastle.asn1.ASN1Encodable;
import org.bouncycastle.asn1.ASN1Integer;
import org.bouncycastle.asn1.DERBoolean;
import org.bouncycastle.asn1.DERSequence;
import org.bouncycastle.asn1.x509.BasicConstraints;
import org.bouncycastle.asn1.x509.X509Extensions;

import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.framework.Test;

public class BouncyCastleCertProcessingFactoryTest extends TestCase {

    private String proxyFile = "validatorTest/gsi2fullproxy.pem";

    public static BouncyCastleCertProcessingFactory factory = BouncyCastleCertProcessingFactory.getDefault();

    public BouncyCastleCertProcessingFactoryTest(String name) {
        super(name);
    }

    public static void main(String[] args) {
        junit.textui.TestRunner.run(suite());
    }

    public static Test suite() {
        return new TestSuite(BouncyCastleCertProcessingFactoryTest.class);
    }

    public void testResctrictedNoProxyCertInfoExt() throws Exception {

        ClassLoader loader = BouncyCastleCertProcessingFactoryTest.class.getClassLoader();
        GlobusCredential cred = new GlobusCredential(loader.getResource(proxyFile).getPath());

        try {
            factory.createCredential(cred.getCertificateChain(), cred.getPrivateKey(), 512, 60 * 60,
                    GSIConstants.GSI_3_RESTRICTED_PROXY, (X509ExtensionSet) null, null);
            fail("Expected to fail");
        } catch (IllegalArgumentException e) {
            // that's what we expected
        }
    }

    public void testResctrictedWithOtherExt() throws Exception {

        ClassLoader loader = BouncyCastleCertProcessingFactoryTest.class.getClassLoader();
        GlobusCredential cred = new GlobusCredential(loader.getResource(proxyFile).getPath());

        X509Extension ext = null;

        String oid = "1.2.3.4";
        String expectedValue = "foo";
        boolean critical = false;

        String policyOid = "1.2.3.4.5.6.7.8.9";
        String policyValue = "bar";

        X509ExtensionSet extSet = new X509ExtensionSet();
        ext = new X509Extension(oid, critical, expectedValue.getBytes());
        extSet.add(ext);

        DERSequence seq = new DERSequence(new ASN1Encodable[] { DERBoolean.FALSE, new ASN1Integer(15) });
        BasicConstraints constraints = BasicConstraints.getInstance(seq);
        ext = new BouncyCastleX509Extension(org.bouncycastle.asn1.x509.X509Extension.basicConstraints.getId(),
                false, constraints);
        extSet.add(ext);

        ProxyPolicy policy = new ProxyPolicy(policyOid, policyValue.getBytes());
        ext = new ProxyCertInfoExtension(new ProxyCertInfo(policy));
        extSet.add(ext);

        GlobusCredential newCred = factory.createCredential(cred.getCertificateChain(), cred.getPrivateKey(), 512,
                60 * 60, GSIConstants.GSI_3_RESTRICTED_PROXY, extSet, null);

        X509Certificate newCert = newCred.getCertificateChain()[0];
        verifyExtension(newCert, oid, expectedValue, critical);

        byte[] realValue = BouncyCastleUtil.getExtensionValue(newCert, ProxyCertInfo.OID.getId());
        assertTrue(realValue != null && realValue.length > 0);

        ProxyCertInfo proxyCertInfo = ProxyCertInfo.getInstance(realValue);

        assertTrue(proxyCertInfo != null);
        assertTrue(proxyCertInfo.getProxyPolicy() != null);
        assertEquals(policyOid, proxyCertInfo.getProxyPolicy().getPolicyLanguage().getId());
        assertEquals(policyValue, proxyCertInfo.getProxyPolicy().getPolicyAsString());
    }

    public void testExtensions() throws Exception {

        ClassLoader loader = BouncyCastleCertProcessingFactoryTest.class.getClassLoader();
        GlobusCredential cred = new GlobusCredential(loader.getResource(proxyFile).getPath());
        X509Extension ext = null;

        String oid1 = "1.2.3.4";
        String expectedValue1 = "foo";
        boolean critical1 = false;

        // COMMENT Used to be 5.6.7.8. Didn't work with newer bouncy castle version
        String oid2 = "1.2.3.5";
        String expectedValue2 = "bar";
        boolean critical2 = true;

        X509ExtensionSet extSet = new X509ExtensionSet();
        ext = new X509Extension(oid1, critical1, expectedValue1.getBytes());
        extSet.add(ext);
        ext = new X509Extension(oid2, critical2, expectedValue2.getBytes());
        extSet.add(ext);

        GlobusCredential newCred = factory.createCredential(cred.getCertificateChain(), cred.getPrivateKey(), 512,
                60 * 60, GSIConstants.GSI_3_IMPERSONATION_PROXY, extSet, null);

        X509Certificate newCert = newCred.getCertificateChain()[0];

        verifyExtension(newCert, oid1, expectedValue1, critical1);
        verifyExtension(newCert, oid2, expectedValue2, critical2);
    }

    private void verifyExtension(X509Certificate cert, String oid, String expectedValue, boolean critical)
            throws Exception {
        byte[] realValue = BouncyCastleUtil.getExtensionValue(cert, oid);

        assertTrue(realValue != null && realValue.length > 0);
        assertEquals(expectedValue, new String(realValue));

        Set exts = null;
        if (critical) {
            exts = cert.getCriticalExtensionOIDs();
        } else {
            exts = cert.getNonCriticalExtensionOIDs();
        }

        assertTrue(exts.contains(oid));
    }

}