| /* |
| * 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.catalina.valves; |
| |
| |
| import java.io.IOException; |
| |
| import javax.servlet.ServletException; |
| |
| import org.apache.catalina.connector.Request; |
| import org.apache.catalina.connector.Response; |
| |
| |
| /** |
| * Concrete implementation of <code>RequestFilterValve</code> that filters |
| * based on the remote client's host name optionally combined with the |
| * server connector port number. |
| * |
| * @author Craig R. McClanahan |
| */ |
| public final class RemoteHostValve extends RequestFilterValve { |
| |
| // ----------------------------------------------------- Instance Variables |
| |
| /** |
| * Flag deciding whether we add the server connector port to the property |
| * compared in the filtering method. The port will be appended |
| * using a ";" as a separator. |
| */ |
| protected volatile boolean addConnectorPort = false; |
| |
| // ------------------------------------------------------------- Properties |
| |
| |
| /** |
| * Get the flag deciding whether we add the server connector port to the |
| * property compared in the filtering method. The port will be appended |
| * using a ";" as a separator. |
| */ |
| public boolean getAddConnectorPort() { |
| return addConnectorPort; |
| } |
| |
| |
| /** |
| * Set the flag deciding whether we add the server connector port to the |
| * property compared in the filtering method. The port will be appended |
| * using a ";" as a separator. |
| * |
| * @param addConnectorPort The new flag |
| */ |
| public void setAddConnectorPort(boolean addConnectorPort) { |
| this.addConnectorPort = addConnectorPort; |
| } |
| |
| |
| // --------------------------------------------------------- Public Methods |
| |
| /** |
| * Extract the desired request property, and pass it (along with the |
| * specified request and response objects) to the protected |
| * <code>process()</code> method to perform the actual filtering. |
| * This method must be implemented by a concrete subclass. |
| * |
| * @param request The servlet request to be processed |
| * @param response The servlet response to be created |
| * |
| * @exception IOException if an input/output error occurs |
| * @exception ServletException if a servlet error occurs |
| */ |
| @Override |
| public void invoke(Request request, Response response) |
| throws IOException, ServletException { |
| |
| String property; |
| if (addConnectorPort) { |
| property = request.getRequest().getRemoteHost() + ";" + request.getConnector().getPort(); |
| } else { |
| property = request.getRequest().getRemoteHost(); |
| } |
| process(property, request, response); |
| |
| } |
| } |