| /* |
| * 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.core; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.catalina.Container; |
| import org.apache.catalina.Wrapper; |
| import org.apache.catalina.connector.Request; |
| import org.apache.catalina.connector.Response; |
| import org.apache.catalina.valves.ValveBase; |
| import org.apache.tomcat.util.buf.MessageBytes; |
| |
| /** |
| * Valve that implements the default basic behavior for the |
| * <code>StandardContext</code> container implementation. |
| * <p> |
| * <b>USAGE CONSTRAINT</b>: This implementation is likely to be useful only |
| * when processing HTTP requests. |
| * |
| * @author Craig R. McClanahan |
| */ |
| final class StandardContextValve extends ValveBase { |
| |
| public StandardContextValve() { |
| super(true); |
| } |
| |
| |
| /** |
| * Cast to a StandardContext right away, as it will be needed later. |
| * |
| * @see org.apache.catalina.Contained#setContainer(org.apache.catalina.Container) |
| */ |
| @Override |
| public void setContainer(Container container) { |
| super.setContainer(container); |
| } |
| |
| |
| /** |
| * Select the appropriate child Wrapper to process this request, |
| * based on the specified request URI. If no matching Wrapper can |
| * be found, return an appropriate HTTP error. |
| * |
| * @param request Request to be processed |
| * @param response Response to be produced |
| * |
| * @exception IOException if an input/output error occurred |
| * @exception ServletException if a servlet error occurred |
| */ |
| @Override |
| public final void invoke(Request request, Response response) |
| throws IOException, ServletException { |
| |
| // Disallow any direct access to resources under WEB-INF or META-INF |
| MessageBytes requestPathMB = request.getRequestPathMB(); |
| if ((requestPathMB.startsWithIgnoreCase("/META-INF/", 0)) |
| || (requestPathMB.equalsIgnoreCase("/META-INF")) |
| || (requestPathMB.startsWithIgnoreCase("/WEB-INF/", 0)) |
| || (requestPathMB.equalsIgnoreCase("/WEB-INF"))) { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| return; |
| } |
| |
| // Select the Wrapper to be used for this Request |
| Wrapper wrapper = request.getWrapper(); |
| if (wrapper == null || wrapper.isUnavailable()) { |
| response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| return; |
| } |
| |
| // Acknowledge the request |
| try { |
| response.sendAcknowledgement(); |
| } catch (IOException ioe) { |
| container.getLogger().error(sm.getString( |
| "standardContextValve.acknowledgeException"), ioe); |
| request.setAttribute(RequestDispatcher.ERROR_EXCEPTION, ioe); |
| response.sendError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR); |
| return; |
| } |
| |
| if (request.isAsyncSupported()) { |
| request.setAsyncSupported(wrapper.getPipeline().isAsyncSupported()); |
| } |
| wrapper.getPipeline().getFirst().invoke(request, response); |
| } |
| } |