| /** |
| * 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.pulsar.websocket; |
| |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletRequestWrapper; |
| import org.eclipse.jetty.websocket.servlet.UpgradeHttpServletRequest; |
| |
| /** |
| * WebSocket HttpServletRequest wrapper. |
| */ |
| public class WebSocketHttpServletRequestWrapper extends HttpServletRequestWrapper { |
| |
| static final String HTTP_HEADER_NAME = "Authorization"; |
| static final String HTTP_HEADER_VALUE_PREFIX = "Bearer "; |
| static final String TOKEN = "token"; |
| |
| public WebSocketHttpServletRequestWrapper(HttpServletRequest request) { |
| super(request); |
| } |
| |
| @Override |
| public String getHeader(String name) { |
| // The browser javascript WebSocket client couldn't add the auth param to the request header, use the |
| // query param `token` to transport the auth token for the browser javascript WebSocket client. |
| if (name.equals(HTTP_HEADER_NAME) |
| && !((UpgradeHttpServletRequest) this.getRequest()).getHeaders().containsKey(HTTP_HEADER_NAME)) { |
| String token = getRequest().getParameter(TOKEN); |
| if (token != null && !token.startsWith(HTTP_HEADER_VALUE_PREFIX)) { |
| return HTTP_HEADER_VALUE_PREFIX + token; |
| } |
| return token; |
| } |
| return super.getHeader(name); |
| } |
| } |