| /* |
| * 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.deltaspike.jsf.impl.component.window; |
| |
| import javax.faces.application.ResourceDependencies; |
| import javax.faces.application.ResourceDependency; |
| import javax.faces.component.UIComponent; |
| import javax.faces.context.FacesContext; |
| import javax.faces.context.ResponseWriter; |
| import javax.faces.render.FacesRenderer; |
| import javax.faces.render.Renderer; |
| import java.io.IOException; |
| import javax.servlet.http.Cookie; |
| import javax.servlet.http.HttpServletResponse; |
| |
| import org.apache.deltaspike.core.api.provider.BeanProvider; |
| import org.apache.deltaspike.jsf.impl.util.ClientWindowHelper; |
| import org.apache.deltaspike.jsf.spi.scope.window.ClientWindow; |
| import org.apache.deltaspike.jsf.spi.scope.window.ClientWindowConfig; |
| |
| @FacesRenderer(componentFamily = WindowIdComponent.COMPONENT_FAMILY, rendererType = WindowIdComponent.COMPONENT_TYPE) |
| @ResourceDependencies( { |
| @ResourceDependency(library = "deltaspike", name = "windowhandler.js", target = "head"), |
| @ResourceDependency(library = "javax.faces", name = "jsf.js", target = "head") } ) |
| public class WindowIdHtmlRenderer extends Renderer |
| { |
| private volatile ClientWindow clientWindow; |
| private volatile ClientWindowConfig clientWindowConfig; |
| private int maxWindowIdLength = 10; |
| |
| /** |
| * 'deltaspikeJsWindowId' will be used to: |
| * Write a simple hidden field into the form. |
| * This might change in the future... |
| * @param context |
| * @param component |
| * @throws IOException |
| */ |
| @Override |
| public void encodeBegin(FacesContext context, UIComponent component) throws IOException |
| { |
| super.encodeBegin(context, component); |
| |
| lazyInit(); |
| |
| ClientWindowConfig.ClientWindowRenderMode clientWindowRenderMode = |
| clientWindowConfig.getClientWindowRenderMode(context); |
| |
| // see DELTASPIKE-1113 |
| boolean delegatedWindowMode = |
| ClientWindowConfig.ClientWindowRenderMode.DELEGATED.equals(clientWindowRenderMode); |
| if (delegatedWindowMode) |
| { |
| return; |
| } |
| |
| String windowId = clientWindow.getWindowId(context); |
| // just to get sure if a user provides a own client window |
| windowId = secureWindowId(windowId); |
| |
| ResponseWriter writer = context.getResponseWriter(); |
| writer.write("<script type=\"text/javascript\">"); |
| writer.write("(function(){"); |
| writer.write("dswh.init('"); |
| writer.writeText(windowId, null); |
| writer.write("','" |
| + clientWindowRenderMode.name() + "'," |
| + maxWindowIdLength + ",{"); |
| |
| writer.write("'tokenizedRedirect':" + clientWindowConfig.isClientWindowTokenizedRedirectEnabled()); |
| writer.write(",'storeWindowTreeOnLinkClick':" |
| + clientWindowConfig.isClientWindowStoreWindowTreeEnabledOnLinkClick()); |
| writer.write(",'storeWindowTreeOnButtonClick':" |
| + clientWindowConfig.isClientWindowStoreWindowTreeEnabledOnButtonClick()); |
| |
| // see #729 |
| if (clientWindow.isInitialRedirectSupported(context)) |
| { |
| Object cookie = ClientWindowHelper.getRequestWindowIdCookie(context, windowId); |
| if (cookie != null && cookie instanceof Cookie) |
| { |
| Cookie servletCookie = (Cookie) cookie; |
| writer.write(",'initialRedirectWindowId':'" + secureWindowId(servletCookie.getValue()) + "'"); |
| // expire/remove cookie |
| servletCookie.setMaxAge(0); |
| ((HttpServletResponse) context.getExternalContext().getResponse()).addCookie(servletCookie); |
| } |
| } |
| |
| writer.write("});"); |
| writer.write("})();"); |
| writer.write("</script>"); |
| } |
| |
| protected String secureWindowId(String windowId) |
| { |
| //restrict the length to prevent script-injection |
| if (windowId != null && windowId.length() > this.maxWindowIdLength) |
| { |
| windowId = windowId.substring(0, this.maxWindowIdLength); |
| } |
| return windowId; |
| } |
| |
| private void lazyInit() |
| { |
| if (clientWindow == null) |
| { |
| synchronized (this) |
| { |
| if (clientWindow == null) |
| { |
| clientWindowConfig = BeanProvider.getContextualReference(ClientWindowConfig.class); |
| maxWindowIdLength = ClientWindowHelper.getMaxWindowIdLength(); |
| |
| clientWindow = BeanProvider.getContextualReference(ClientWindow.class); |
| } |
| } |
| } |
| } |
| } |