| /** |
| * 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.ByteArrayInputStream; |
| import java.io.IOException; |
| |
| import javax.annotation.Priority; |
| import javax.ws.rs.HttpMethod; |
| import javax.ws.rs.client.ClientRequestContext; |
| import javax.ws.rs.client.ClientResponseContext; |
| import javax.ws.rs.client.ClientResponseFilter; |
| import javax.ws.rs.core.Response; |
| |
| import org.apache.cxf.helpers.IOUtils; |
| import org.apache.cxf.jaxrs.utils.HttpUtils; |
| import org.apache.cxf.rs.security.jose.common.JoseUtils; |
| import org.apache.cxf.rs.security.jose.jwe.JweDecryptionOutput; |
| |
| @Priority(Priorities.JWE_CLIENT_READ_PRIORITY) |
| public class JweClientResponseFilter extends AbstractJweDecryptingFilter implements ClientResponseFilter { |
| @Override |
| public void filter(ClientRequestContext req, ClientResponseContext res) throws IOException { |
| if (isMethodWithNoContent(req.getMethod()) |
| || isStatusCodeWithNoContent(res.getStatus()) |
| || isCheckEmptyStream() && !res.hasEntity()) { |
| return; |
| } |
| final byte[] encryptedContent = IOUtils.readBytesFromStream(res.getEntityStream()); |
| if (encryptedContent.length == 0) { |
| return; |
| } |
| JweDecryptionOutput out = decrypt(encryptedContent); |
| byte[] bytes = out.getContent(); |
| res.setEntityStream(new ByteArrayInputStream(bytes)); |
| res.getHeaders().putSingle("Content-Length", Integer.toString(bytes.length)); |
| String ct = JoseUtils.checkContentType(out.getHeaders().getContentType(), getDefaultMediaType()); |
| if (ct != null) { |
| res.getHeaders().putSingle("Content-Type", ct); |
| } |
| if (super.isValidateHttpHeaders()) { |
| super.validateHttpHeadersIfNeeded(res.getHeaders(), out.getHeaders()); |
| } |
| } |
| |
| protected boolean isMethodWithNoContent(String method) { |
| return HttpMethod.DELETE.equals(method) || HttpUtils.isMethodWithNoResponseContent(method); |
| } |
| |
| protected boolean isStatusCodeWithNoContent(int statusCode) { |
| return statusCode == Response.Status.NO_CONTENT.getStatusCode(); |
| } |
| } |