/*
* Copyright (c) 2003-2011, Simon Brown
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* - Neither the name of Pebble nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
package net.sourceforge.pebble.web.filter;
import net.sourceforge.pebble.Configuration;
import net.sourceforge.pebble.Constants;
import net.sourceforge.pebble.PebbleContext;
import net.sourceforge.pebble.security.PebbleUserDetails;
import net.sourceforge.pebble.util.HttpsURLRewriter;
import net.sourceforge.pebble.util.SecurityUtils;
import net.sourceforge.pebble.util.CookieUtils;
import net.sourceforge.pebble.util.UrlRewriter;
import net.sourceforge.pebble.util.Utilities;
import net.sourceforge.pebble.api.decorator.ContentDecoratorContext;
import net.sourceforge.pebble.comparator.BlogEntryComparator;
import net.sourceforge.pebble.comparator.BlogByLastModifiedDateComparator;
import net.sourceforge.pebble.decorator.ContentDecoratorChain;
import net.sourceforge.pebble.domain.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.jstl.core.Config;
import java.io.IOException;
import java.net.URLDecoder;
import java.util.Collections;
import java.util.List;
import java.util.Locale;
/**
* A filter respsonsible for setting up common objects.
*
* @author Simon Brown
*/
public class PreProcessingFilter implements Filter {
/** the log used by this class */
private static Log log = LogFactory.getLog(PreProcessingFilter.class);
/** the config of this filter */
private FilterConfig filterConfig;
/**
* Initialises this instance.
*
* @param config a FilterConfig instance
*/
public void init(FilterConfig config) {
this.filterConfig = config;
}
/**
* Called when this filter is taken out of service.
*/
public void destroy() {
}
/**
* Contains the processing associated with this filter.
*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
throws ServletException, IOException {
HttpServletRequest httpRequest = (HttpServletRequest)request;
// log.info("Session is " + httpRequest.getSession().getId());
// HttpServletResponse httpResponse = (HttpServletResponse)response;
// Cookie cookie = CookieUtils.getCookie(httpRequest.getCookies(), "JSESSIONID");
// if (cookie != null) {
// log.info("Domain is " + cookie.getDomain());
// log.info("Path is " + cookie.getPath());
// cookie.setDomain(".example.com");
// cookie.setPath("/");
// httpResponse.addCookie(cookie);
// }
String externalUri = (String)request.getAttribute(Constants.EXTERNAL_URI);
if (externalUri.startsWith("/common/") ||
externalUri.startsWith("/dwr/") ||
externalUri.startsWith("/FCKeditor/") ||
externalUri.startsWith("/scripts/") ||
externalUri.startsWith("/themes/") ||
externalUri.equals("/pebble.css") ||
externalUri.equals("/jckconfig_pebble.js") ||
externalUri.equals("/favicon.ico")
) {
// do nothing
} else {
AbstractBlog blog = (AbstractBlog)request.getAttribute(Constants.BLOG_KEY);
if (blog instanceof Blog) {
Blog b = (Blog)blog;
ContentDecoratorContext context = new ContentDecoratorContext();
context.setView(ContentDecoratorContext.SUMMARY_VIEW);
context.setMedia(ContentDecoratorContext.HTML_PAGE);
List blogEntries = b.getRecentPublishedBlogEntries();
ContentDecoratorChain.decorate(context, blogEntries);
Collections.sort(blogEntries, new BlogEntryComparator());
httpRequest.setAttribute(Constants.RECENT_BLOG_ENTRIES, blogEntries);
List<Response> recentApprovedResponses = b.getRecentApprovedResponses();
for (Response r : recentApprovedResponses) {
if (r instanceof Comment) {
b.getContentDecoratorChain().decorate(context, (Comment)r);
} else if (r instanceof TrackBack){
b.getContentDecoratorChain().decorate(context, (TrackBack)r);
}
}
httpRequest.setAttribute(Constants.RECENT_RESPONSES, recentApprovedResponses);
httpRequest.setAttribute(Constants.CATEGORIES, b.getCategories());
httpRequest.setAttribute(Constants.TAGS, b.getTags());
httpRequest.setAttribute(Constants.PLUGIN_PROPERTIES, b.getPluginProperties());
httpRequest.setAttribute(Constants.ARCHIVES, b.getArchives());
httpRequest.setAttribute(Constants.BLOG_TYPE, "singleblog");
} else {
httpRequest.setAttribute(Constants.BLOG_TYPE, "multiblog");
}
if (PebbleContext.getInstance().getConfiguration().isMultiBlog()) {
httpRequest.setAttribute(Constants.MULTI_BLOG_KEY, BlogManager.getInstance().getMultiBlog());
httpRequest.setAttribute(Constants.MULTI_BLOG_URL, Utilities.calcBaseUrl(request.getScheme(), BlogManager.getInstance().getMultiBlog().getUrl()));
List blogs = BlogManager.getInstance().getPublicBlogs();
Collections.sort(blogs, new BlogByLastModifiedDateComparator());
httpRequest.setAttribute(Constants.BLOGS, blogs);
}
// change the character encoding so that we can successfully get
// international characters from the request when HTML forms are submitted
// ... but only if the browser doesn't send the character encoding back
if (request.getCharacterEncoding() == null) {
request.setCharacterEncoding(blog.getCharacterEncoding());
}
PebbleUserDetails user = SecurityUtils.getUserDetails();
if (user != null) {
httpRequest.setAttribute(Constants.AUTHENTICATED_USER, user);
}
Config.set(request, Config.FMT_LOCALE, blog.getLocale());
Config.set(request, Config.FMT_FALLBACK_LOCALE, Locale.ENGLISH);
}
try {
Configuration configuration = PebbleContext.getInstance().getConfiguration();
if(configuration.getSecureUrl().startsWith("https")) {
UrlRewriter.useThisRewriter(new HttpsURLRewriter(request.getScheme()));
}
chain.doFilter(request, response);
} finally {
UrlRewriter.clear();
}
}
}