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• XMLSecurityUtils.java

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org.apache.xml.security.stax.ext.XMLSecurityUtils Maven / Gradle / Ivy

/**
 * 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.xml.security.stax.ext;

import org.apache.commons.codec.binary.Base64;
import org.apache.xml.security.algorithms.JCEMapper;
import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.keys.content.x509.XMLX509SKI;
import org.apache.xml.security.stax.config.TransformerAlgorithmMapper;
import org.apache.xml.security.stax.ext.stax.XMLSecAttribute;
import org.apache.xml.security.stax.ext.stax.XMLSecEvent;
import org.apache.xml.security.stax.ext.stax.XMLSecNamespace;
import org.apache.xml.security.stax.ext.stax.XMLSecStartElement;
import org.apache.xml.security.stax.impl.algorithms.ECDSAUtils;
import org.apache.xml.security.stax.impl.util.ConcreteLSInput;
import org.apache.xml.security.stax.securityEvent.*;
import org.apache.xml.security.stax.securityToken.InboundSecurityToken;
import org.apache.xml.security.stax.securityToken.SecurityTokenConstants;
import org.apache.xml.security.utils.ClassLoaderUtils;
import org.w3c.dom.ls.LSInput;
import org.w3c.dom.ls.LSResourceResolver;
import org.xml.sax.SAXException;

import javax.crypto.SecretKey;
import javax.crypto.spec.SecretKeySpec;
import javax.xml.XMLConstants;
import javax.xml.bind.JAXBElement;
import javax.xml.namespace.QName;
import javax.xml.stream.XMLStreamException;
import javax.xml.transform.Source;
import javax.xml.transform.stream.StreamSource;
import javax.xml.validation.Schema;
import javax.xml.validation.SchemaFactory;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.security.PublicKey;
import java.security.cert.CertificateEncodingException;
import java.security.cert.X509Certificate;
import java.security.interfaces.DSAPublicKey;
import java.security.interfaces.ECPublicKey;
import java.security.interfaces.RSAPublicKey;
import java.util.*;

/**
 * @author $Author: coheigea $
 * @version $Revision: 1676996 $ $Date: 2015-04-30 15:10:20 +0100 (Thu, 30 Apr 2015) $
 */
public class XMLSecurityUtils {
    
    private static final int MAX_SYMMETRIC_KEY_SIZE = 1024;

    protected XMLSecurityUtils() {
    }

    /**
     * Returns the Id reference without the leading #
     *
     * @param reference The reference on which to drop the #
     * @return The reference without a leading #
     */
    public static String dropReferenceMarker(String reference) {
        if (reference != null && reference.length() > 0 && reference.charAt(0) == '#') {
            return reference.substring(1);
        }
        return reference;
    }

    /**
     * Returns the XMLEvent type in String form
     *
     * @param xmlSecEvent
     * @return The XMLEvent type as string representation
     */
    public static String getXMLEventAsString(XMLSecEvent xmlSecEvent) {
        int eventType = xmlSecEvent.getEventType();

        switch (eventType) {
            case XMLSecEvent.START_ELEMENT:
                return "START_ELEMENT";
            case XMLSecEvent.END_ELEMENT:
                return "END_ELEMENT";
            case XMLSecEvent.PROCESSING_INSTRUCTION:
                return "PROCESSING_INSTRUCTION";
            case XMLSecEvent.CHARACTERS:
                return "CHARACTERS";
            case XMLSecEvent.COMMENT:
                return "COMMENT";
            case XMLSecEvent.START_DOCUMENT:
                return "START_DOCUMENT";
            case XMLSecEvent.END_DOCUMENT:
                return "END_DOCUMENT";
            case XMLSecEvent.ATTRIBUTE:
                return "ATTRIBUTE";
            case XMLSecEvent.DTD:
                return "DTD";
            case XMLSecEvent.NAMESPACE:
                return "NAMESPACE";
            default:
                throw new IllegalArgumentException("Illegal XMLSecEvent received: " + eventType);
        }
    }

    public static Transformer getTransformer(
            Transformer transformer, OutputStream outputStream, Map properties, String algorithm,
            XMLSecurityConstants.DIRECTION direction) throws XMLSecurityException {

        @SuppressWarnings("unchecked")
        Class transformerClass = (Class) TransformerAlgorithmMapper.getTransformerClass(algorithm, direction);
        Transformer childTransformer = null;

        try {
            childTransformer = transformerClass.newInstance();
            if (properties != null) {
                childTransformer.setProperties(properties);
            }
            if (outputStream != null) {
                childTransformer.setOutputStream(outputStream);
            } else {
                childTransformer.setTransformer(transformer);
            }
        } catch (InstantiationException e) {
            throw new XMLSecurityException(e);
        } catch (IllegalAccessException e) {
            throw new XMLSecurityException(e);
        }
        return childTransformer;
    }

    @SuppressWarnings("unchecked")
    public static  T getType(List