/**
* 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 javax.annotation.Priority;
import javax.ws.rs.client.ClientRequestContext;
import javax.ws.rs.client.ClientResponseContext;
import javax.ws.rs.client.ClientResponseFilter;
import org.apache.cxf.helpers.IOUtils;
import org.apache.cxf.rs.security.oauth2.jws.JwsCompactConsumer;
import org.apache.cxf.rs.security.oauth2.jws.JwsSignatureVerifier;
import org.apache.cxf.rs.security.oauth2.jwt.JwtUtils;
@Priority(Priorities.JWS_CLIENT_READ_PRIORITY)
public class JwsClientResponseFilter extends AbstractJwsReaderProvider implements ClientResponseFilter {
@Override
public void filter(ClientRequestContext req, ClientResponseContext res) throws IOException {
JwsSignatureVerifier theSigVerifier = getInitializedSigVerifier();
JwsCompactConsumer p = new JwsCompactConsumer(IOUtils.readStringFromStream(res.getEntityStream()),
getSigProperties());
p.verifySignatureWith(theSigVerifier);
byte[] bytes = p.getDecodedJwsPayloadBytes();
res.setEntityStream(new ByteArrayInputStream(bytes));
res.getHeaders().putSingle("Content-Length", Integer.toString(bytes.length));
String ct = JwtUtils.checkContentType(p.getJwtHeaders().getContentType(), getDefaultMediaType());
if (ct != null) {
res.getHeaders().putSingle("Content-Type", ct);
}
}
}