| /** |
| * 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.jose.jaxrs; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.lang.annotation.Annotation; |
| import java.lang.reflect.Type; |
| |
| import javax.ws.rs.WebApplicationException; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.MultivaluedMap; |
| import javax.ws.rs.ext.MessageBodyWriter; |
| |
| import org.apache.cxf.common.util.Base64UrlUtility; |
| import org.apache.cxf.common.util.StringUtils; |
| import org.apache.cxf.rs.security.jose.common.JoseUtils; |
| import org.apache.cxf.rs.security.jose.jws.JwsDetachedSignature; |
| |
| public class JwsDetachedSignatureProvider implements MessageBodyWriter<JwsDetachedSignature> { |
| @Override |
| public long getSize(JwsDetachedSignature arg0, Class<?> arg1, Type arg2, Annotation[] arg3, MediaType arg4) { |
| return -1; |
| } |
| |
| @Override |
| public boolean isWriteable(Class<?> cls, Type t, Annotation[] anns, MediaType mt) { |
| return true; |
| } |
| |
| @Override |
| public void writeTo(JwsDetachedSignature parts, Class<?> cls, Type t, Annotation[] anns, MediaType mt, |
| MultivaluedMap<String, Object> headers, OutputStream os) |
| throws IOException, WebApplicationException { |
| JoseUtils.traceHeaders(parts.getHeaders()); |
| |
| byte[] finalBytes = parts.getSignature().sign(); |
| |
| if (!parts.isUseJwsJsonSignatureFormat()) { |
| os.write(StringUtils.toBytesASCII(parts.getEncodedHeaders())); |
| byte[] dotBytes = new byte[]{'.'}; |
| os.write(dotBytes); |
| os.write(dotBytes); |
| Base64UrlUtility.encodeAndStream(finalBytes, 0, finalBytes.length, os); |
| } else { |
| // use flattened JWS JSON format |
| os.write(StringUtils.toBytesASCII("{")); |
| String headersProp = "\"protected\":\"" + parts.getEncodedHeaders() + "\""; |
| os.write(StringUtils.toBytesUTF8(headersProp)); |
| os.write(StringUtils.toBytesASCII(",")); |
| String sigProp = "\"signature\":\"" + Base64UrlUtility.encode(finalBytes) + "\""; |
| os.write(StringUtils.toBytesUTF8(sigProp)); |
| os.write(StringUtils.toBytesASCII("}")); |
| } |
| } |
| |
| } |