| /*- |
| * 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.sling.dynamicinclude; |
| |
| import java.io.IOException; |
| |
| import javax.servlet.Filter; |
| import javax.servlet.FilterChain; |
| import javax.servlet.FilterConfig; |
| import javax.servlet.RequestDispatcher; |
| import javax.servlet.ServletException; |
| import javax.servlet.ServletRequest; |
| import javax.servlet.ServletResponse; |
| |
| import org.apache.commons.lang3.StringUtils; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Properties; |
| import org.apache.felix.scr.annotations.Property; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.Service; |
| import org.apache.sling.api.SlingHttpServletRequest; |
| import org.apache.sling.api.request.RequestDispatcherOptions; |
| import org.apache.sling.api.resource.Resource; |
| import org.apache.sling.api.resource.ResourceUtil; |
| import org.apache.sling.engine.EngineConstants; |
| import org.osgi.framework.Constants; |
| |
| @Component(metatype = true, label = "Apache Sling Dynamic Include - Synthetic Resource Filter") |
| @Service |
| @Properties({ |
| @Property(name = Constants.SERVICE_VENDOR, value = "The Apache Software Foundation"), |
| @Property(name = EngineConstants.SLING_FILTER_SCOPE, value = EngineConstants.FILTER_SCOPE_REQUEST, propertyPrivate = true), |
| @Property(name = Constants.SERVICE_RANKING, intValue = Integer.MIN_VALUE, propertyPrivate = false), }) |
| public class SyntheticResourceFilter implements Filter { |
| |
| @Reference |
| private ConfigurationWhiteboard configurationWhiteboard; |
| |
| @Override |
| public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, |
| ServletException { |
| final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest) request; |
| final String resourceType = getResourceTypeFromSuffix(slingRequest); |
| final Configuration config = configurationWhiteboard.getConfiguration(slingRequest, resourceType); |
| |
| if (config == null || !config.hasIncludeSelector(slingRequest) |
| || !ResourceUtil.isSyntheticResource(slingRequest.getResource()) |
| || (config.hasExtensionSet() && !config.hasExtension(slingRequest))) { |
| chain.doFilter(request, response); |
| return; |
| } |
| |
| final RequestDispatcherOptions options = new RequestDispatcherOptions(); |
| options.setForceResourceType(resourceType); |
| String resourcePath = StringUtils.substringBefore(slingRequest.getRequestPathInfo().getResourcePath(), "."); |
| Resource resource = slingRequest.getResourceResolver().resolve(resourcePath); |
| final RequestDispatcher dispatcher = slingRequest.getRequestDispatcher(resource, options); |
| dispatcher.forward(request, response); |
| } |
| |
| private static String getResourceTypeFromSuffix(final SlingHttpServletRequest request) { |
| String suffix = request.getRequestPathInfo().getSuffix(); |
| suffix = StringUtils.substringBeforeLast(suffix, "."); |
| return StringUtils.removeStart(suffix, "/"); |
| } |
| |
| @Override |
| public void init(FilterConfig filterConfig) throws ServletException { |
| } |
| |
| @Override |
| public void destroy() { |
| } |
| } |