/**
* 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.rs.security.oauth2.jwt.jaxrs;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.security.PrivateKey;
import java.util.Properties;
import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.jaxrs.utils.JAXRSUtils;
import org.apache.cxf.jaxrs.utils.ResourceUtils;
import org.apache.cxf.message.Message;
import org.apache.cxf.message.MessageUtils;
import org.apache.cxf.rs.security.oauth2.jws.JwsCompactProducer;
import org.apache.cxf.rs.security.oauth2.jws.JwsSignatureProvider;
import org.apache.cxf.rs.security.oauth2.jws.PrivateKeyJwsSignatureProvider;
import org.apache.cxf.rs.security.oauth2.utils.crypto.CryptoUtils;
public class AbstractJwsWriterProvider {
private static final String RSSEC_SIGNATURE_OUT_PROPS = "rs.security.signature.out.properties";
private static final String RSSEC_SIGNATURE_PROPS = "rs.security.signature.properties";
private static final String JSON_WEB_SIGNATURE_ALGO_PROP = "rs.security.jws.content.signature.algorithm";
private JwsSignatureProvider sigProvider;
public void setSignatureProvider(JwsSignatureProvider signatureProvider) {
this.sigProvider = signatureProvider;
}
protected JwsSignatureProvider getInitializedSigProvider() {
if (sigProvider != null) {
return sigProvider;
}
Message m = JAXRSUtils.getCurrentMessage();
String propLoc =
(String)MessageUtils.getContextualProperty(m, RSSEC_SIGNATURE_OUT_PROPS, RSSEC_SIGNATURE_PROPS);
if (propLoc == null) {
throw new SecurityException();
}
try {
Properties props = ResourceUtils.loadProperties(propLoc, m.getExchange().getBus());
PrivateKey pk = CryptoUtils.loadPrivateKey(m, props, CryptoUtils.RSSEC_SIG_KEY_PSWD_PROVIDER);
PrivateKeyJwsSignatureProvider provider = new PrivateKeyJwsSignatureProvider(pk);
provider.setDefaultJwtAlgorithm(props.getProperty(JSON_WEB_SIGNATURE_ALGO_PROP));
return provider;
} catch (SecurityException ex) {
throw ex;
} catch (Exception ex) {
throw new SecurityException(ex);
}
}
protected void writeJws(JwsCompactProducer p, OutputStream os) throws IOException {
JwsSignatureProvider theSigProvider = getInitializedSigProvider();
p.signWith(theSigProvider);
IOUtils.copy(new ByteArrayInputStream(p.getSignedEncodedJws().getBytes("UTF-8")), os);
}
}