Apache CXF example source code file (CertConstraintsTest.java)

This example Apache CXF source code file (CertConstraintsTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Apache CXF tags/keywords

bytearrayinputstream, certconstraints, certificateconstraintstype, datainputstream, exception, exception, fileinputstream, io, jks, security, string, string, t, t, x509certificate, x509certificate

The Apache CXF CertConstraintsTest.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you 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.cxf.transport.https;

import java.io.ByteArrayInputStream;
import java.io.DataInputStream;
import java.io.FileInputStream;
import java.security.KeyStore;
import java.security.cert.X509Certificate;

import javax.xml.bind.JAXBContext;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;

import org.apache.cxf.configuration.security.CertificateConstraintsType;
import org.apache.cxf.helpers.DOMUtils;

public class CertConstraintsTest extends org.junit.Assert {

    @org.junit.Test
    public void
    testCertConstraints() throws Exception {
        final X509Certificate bethalCert = 
            loadCertificate("Bethal.jks", "JKS", "password", "bethal");
        final X509Certificate gordyCert = 
            loadCertificate("Gordy.jks", "JKS", "password", "gordy");
        
        CertConstraints tmp = null;
        //
        // bethal matches but gordy doesn't
        //
        tmp = loadCertConstraints("subject-CN-bethal");
        assertTrue(tmp.matches(bethalCert) && !tmp.matches(gordyCert));
        //
        // gordy matches but bethal doesn't
        //
        tmp = loadCertConstraints("subject-CN-gordy");
        assertTrue(!tmp.matches(bethalCert) && tmp.matches(gordyCert));
        
        //
        // both are under the ApacheTest organization
        //
        tmp = loadCertConstraints("subject-O-apache");
        assertTrue(tmp.matches(bethalCert) && tmp.matches(gordyCert));
        
        //
        // only bethal is both CN=Bethal and O=ApacheTest
        //
        tmp = loadCertConstraints("subject-CN-bethal-O-apache");
        assertTrue(tmp.matches(bethalCert) && !tmp.matches(gordyCert));
        
        //
        // neither are O=BadApacheTest
        //
        tmp = loadCertConstraints("subject-CN-bethal-O-badapache");
        assertTrue(!tmp.matches(bethalCert) && !tmp.matches(gordyCert));
        
        //
        // both satisfy either CN=Bethal or O=ApacheTest
        //
        tmp = loadCertConstraints("subject-CN-bethal-O-apache-ANY");
        assertTrue(tmp.matches(bethalCert) && tmp.matches(gordyCert));
        
        //
        // only Bethal has "Bethal" as an issuer
        //
        tmp = loadCertConstraints("issuer-CN-bethal-O-apache");
        assertTrue(tmp.matches(bethalCert) && !tmp.matches(gordyCert));
    }

    //
    // Private utilities
    //
    
    private static CertConstraints
    loadCertConstraints(
        final String id
    ) throws Exception {
        CertificateConstraintsType certsConstraintsType = 
            loadCertificateConstraintsType(id);
        return CertConstraintsJaxBUtils.createCertConstraints(certsConstraintsType);
    }
    
    private static CertificateConstraintsType
    loadCertificateConstraintsType(
        final String id
    ) throws Exception {
        return loadGeneratedType(
            CertificateConstraintsType.class, 
            "certConstraints", 
            "resources/cert-constraints.xml", 
            id
        );
    }
    
    private static X509Certificate
    loadCertificate(
        final String keystoreFilename,
        final String keystoreType,
        final String keystorePassword,
        final String id
    ) throws Exception {
        final KeyStore store = KeyStore.getInstance(keystoreType);
        FileInputStream fis = new FileInputStream(
                "src/test/java/org/apache/cxf/transport/https/resources/" + keystoreFilename);
        DataInputStream dis = new DataInputStream(fis);
        byte[] bytes = new byte[dis.available()];
        dis.readFully(bytes);
        ByteArrayInputStream bin = new ByteArrayInputStream(bytes);
        store.load(bin, keystorePassword.toCharArray());
        for (java.util.Enumeration<String> aliases = store.aliases(); aliases.hasMoreElements();) {
            final String alias = aliases.nextElement();
            if (id.equals(alias)) {
                return (X509Certificate) store.getCertificate(alias);
            }
        }
        assert false;
        throw new RuntimeException("error in test -- keystore " + id + " has no trusted certs");
    }
    
    private static <T> T
    loadGeneratedType(
        final Class<T> cls,
        final String elementName,
        final String name,
        final String id
    ) throws Exception {
        final org.w3c.dom.Document doc = loadDocument(name);
        final org.w3c.dom.Element testData = doc.getDocumentElement();
        final org.w3c.dom.NodeList data = testData.getElementsByTagName("datum");
        for (int i = 0;  i < data.getLength();  ++i) {
            final org.w3c.dom.Element datum = (org.w3c.dom.Element) data.item(i);
            if (datum.getAttribute("id").equals(id)) {
                final org.w3c.dom.NodeList elts = datum.getElementsByTagNameNS(
                    "http://cxf.apache.org/configuration/security", elementName
                );
                assert elts.getLength() == 1;
                return unmarshal(cls, (org.w3c.dom.Element) elts.item(0));
            }
        }
        throw new Exception("Bad test!  No test data with id " + id);
    }
    
    
    private static org.w3c.dom.Document
    loadDocument(
        final String name
    ) throws Exception {
        final java.io.InputStream inStream = 
            CertConstraintsTest.class.getResourceAsStream(name);
        return DOMUtils.readXml(inStream);
    }

    private static <T> T
    unmarshal(
        final Class<T> cls,
        final org.w3c.dom.Element elt
    ) throws JAXBException {
        final JAXBContext ctx = JAXBContext.newInstance(cls.getPackage().getName());
        final Unmarshaller unmarshaller = ctx.createUnmarshaller();
        final JAXBElement<T> jaxbElement = 
            unmarshaller.unmarshal(elt, cls);
        return jaxbElement.getValue();
    }
    
}