/*
* Created on Jul 13, 2009
* Created by Paul Gardner
*
* Copyright 2009 Vuze, Inc. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License only.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*/
package com.aelitis.azureus.core.devices.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.net.InetSocketAddress;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.torrent.TOTorrent;
import org.gudy.azureus2.core3.util.Debug;
import org.gudy.azureus2.core3.util.TimeFormatter;
import org.gudy.azureus2.core3.util.UrlUtils;
import org.gudy.azureus2.core3.xml.util.XMLEscapeWriter;
import org.gudy.azureus2.core3.xml.util.XUXmlWriter;
import org.gudy.azureus2.plugins.torrent.Torrent;
import org.gudy.azureus2.plugins.tracker.web.TrackerWebPageRequest;
import org.gudy.azureus2.plugins.tracker.web.TrackerWebPageResponse;
import com.aelitis.azureus.core.devices.Device;
import com.aelitis.azureus.core.rssgen.RSSGeneratorPlugin;
import com.aelitis.azureus.core.torrent.PlatformTorrentUtils;
import com.aelitis.azureus.ui.swt.devices.DeviceManagerUI;
import org.gudy.azureus2.pluginsimpl.local.PluginCoreUtils;
public class
DeviceManagerRSSFeed
implements RSSGeneratorPlugin.Provider
{
private static final String PROVIDER = "devices";
private DeviceManagerImpl manager;
private RSSGeneratorPlugin generator;
protected
DeviceManagerRSSFeed(
DeviceManagerImpl _manager )
{
manager = _manager;
generator = RSSGeneratorPlugin.getSingleton();
if ( generator != null ){
generator.registerProvider( PROVIDER, this );
}
}
public boolean
isEnabled()
{
return( manager.isRSSPublishEnabled());
}
public String
getFeedURL()
{
return( generator==null?"Feature Disabled":( generator.getURL() + PROVIDER ));
}
public boolean
generate(
TrackerWebPageRequest request,
TrackerWebPageResponse response )
throws IOException
{
InetSocketAddress local_address = request.getLocalAddress();
if ( local_address == null ){
return( false );
}
URL url = request.getAbsoluteURL();
String path = url.getPath();
path = path.substring( PROVIDER.length()+1);
DeviceImpl[] devices = manager.getDevices();
OutputStream os = response.getOutputStream();
XMLEscapeWriter pw = new XMLEscapeWriter( new PrintWriter(new OutputStreamWriter( os, "UTF-8" )));
pw.setEnabled( false );
boolean hide_generic = COConfigurationManager.getBooleanParameter( DeviceManagerUI.CONFIG_VIEW_HIDE_REND_GENERIC, true );
if ( path.length() <= 1 ){
response.setContentType( "text/html; charset=UTF-8" );
pw.println( "<HTML><HEAD><TITLE>Vuze Device Feeds</TITLE></HEAD><BODY>" );
for ( DeviceImpl d: devices ){
if ( d.getType() != Device.DT_MEDIA_RENDERER || d.isHidden() || !d.isRSSPublishEnabled() || ( hide_generic && d.isNonSimple())){
continue;
}
String name = d.getName();
String device_url = PROVIDER + "/" + URLEncoder.encode( name, "UTF-8" );
pw.println( "<LI><A href=\"" + device_url + "\">" + name + "</A> - <font size=\"-1\"><a href=\"" + device_url + "?format=html\">html</a></font></LI>" );
}
pw.println( "</BODY></HTML>" );
}else{
String device_name = URLDecoder.decode( path.substring( 1 ), "UTF-8" );
DeviceImpl device = null;
for ( DeviceImpl d: devices ){
if ( d.getName().equals( device_name ) && d.isRSSPublishEnabled()){
device = d;
break;
}
}
if ( device == null ){
response.setReplyStatus( 404 );
return( true );
}
TranscodeFileImpl[] _files = device.getFiles();
List<TranscodeFileImpl> files = new ArrayList<TranscodeFileImpl>( _files.length );
files.addAll( Arrays.asList( _files ));
Collections.sort(
files,
new Comparator<TranscodeFileImpl>()
{
public int
compare(
TranscodeFileImpl f1,
TranscodeFileImpl f2)
{
long added1 = f1.getCreationDateMillis()/1000;
long added2 = f2.getCreationDateMillis()/1000;
return((int)(added2 - added1 ));
}
});
URL feed_url = url;
// absolute url is borked as it doesn't set the host properly. hack
String host = (String)request.getHeaders().get( "host" );
if ( host != null ){
int pos = host.indexOf( ':' );
if ( pos != -1 ){
host = host.substring( 0, pos );
}
feed_url = UrlUtils.setHost( url, host );
}
if ( device instanceof DeviceMediaRendererImpl ){
((DeviceMediaRendererImpl)device).browseReceived();
}
String channel_title = "Vuze Device: " + escape( device.getName());
boolean html = request.getURL().contains( "format=html" );
if ( html ){
response.setContentType( "text/html; charset=UTF-8" );
pw.println( "<HTML><HEAD><TITLE>" + channel_title + "</TITLE></HEAD><BODY>" );
for ( TranscodeFileImpl file: files ){
if ( !file.isComplete()){
if ( !file.isTemplate()){
continue;
}
}
URL stream_url = file.getStreamURL( feed_url.getHost() );
if ( stream_url != null ){
String url_ext = stream_url.toExternalForm();
pw.println( "<p>" );
pw.println( "<a href=\"" + url_ext + "\">" + escape( file.getName()) + "</a>" );
url_ext += url_ext.indexOf('?') == -1?"?":"&";
url_ext += "action=download";
pw.println( " - <font size=\"-1\"><a href=\"" + url_ext + "\">save</a></font>" );
}
}
pw.println( "</BODY></HTML>" );
}else{
boolean debug = request.getURL().contains( "format=debug" );
if ( debug ){
response.setContentType( "text/html; charset=UTF-8" );
pw.println( "<HTML><HEAD><TITLE>" + channel_title + "</TITLE></HEAD><BODY>" );
pw.println( "<pre>" );
pw.setEnabled( true );
}else{
response.setContentType( "application/xml" );
}
try{
pw.println( "<?xml version=\"1.0\" encoding=\"utf-8\"?>" );
pw.println(
"<rss version=\"2.0\" " +
"xmlns:vuze=\"http://www.vuze.com\" " +
"xmlns:media=\"http://search.yahoo.com/mrss/\" " +
"xmlns:atom=\"http://www.w3.org/2005/Atom\" " +
"xmlns:itunes=\"http://www.itunes.com/dtds/podcast-1.0.dtd\">" );
pw.println( "<channel>" );
pw.println( "<title>" + channel_title + "</title>" );
pw.println( "<link>http://vuze.com</link>" );
pw.println( "<atom:link href=\"" + feed_url.toExternalForm() + "\" rel=\"self\" type=\"application/rss+xml\" />" );
pw.println( "<description>Vuze RSS Feed for device " + escape( device.getName()) + "</description>" );
pw.println("<itunes:image href=\"http://www.vuze.com/img/vuze_icon_128.png\"/>");
pw.println("<image><url>http://www.vuze.com/img/vuze_icon_128.png</url><title>" + channel_title + "</title><link>http://vuze.com</link></image>");
String feed_date_key = "devices.feed_date." + device.getID();
long feed_date = COConfigurationManager.getLongParameter( feed_date_key );
boolean new_date = false;
for ( TranscodeFileImpl file: files ){
long file_date = file.getCreationDateMillis();
if ( file_date > feed_date ){
new_date = true;
feed_date = file_date;
}
}
if ( new_date ){
COConfigurationManager.setParameter( feed_date_key, feed_date );
}
pw.println( "<pubDate>" + TimeFormatter.getHTTPDate( feed_date ) + "</pubDate>" );
for ( TranscodeFileImpl file: files ){
if ( !file.isComplete()){
if ( !file.isTemplate()){
continue;
}
}
try{
pw.println( "<item>" );
pw.println( "<title>" + escape( file.getName()) + "</title>" );
pw.println( "<pubDate>" + TimeFormatter.getHTTPDate( file.getCreationDateMillis()) + "</pubDate>" );
pw.println( "<guid isPermaLink=\"false\">" + escape( file.getKey()) + "</guid>" );
String[] categories = file.getCategories();
for ( String category: categories ){
pw.println( "<category>" + category + "</category>" );
}
String mediaContent = "";
URL stream_url = file.getStreamURL( feed_url.getHost() );
if ( stream_url != null ){
String url_ext = stream_url.toExternalForm();
long fileSize = file.getTargetFile().getLength();
pw.println( "<link>" + url_ext + "</link>" );
mediaContent = "<media:content medium=\"video\" fileSize=\"" +
fileSize + "\" url=\"" + url_ext + "\"";
String mime_type = file.getMimeType();
if ( mime_type != null ){
mediaContent += " type=\"" + mime_type + "\"";
}
pw.println("<enclosure url=\"" + url_ext
+ "\" length=\"" + fileSize
+ (mime_type == null ? "" : "\" type=\"" + mime_type)
+ "\"></enclosure>");
}
String thumb_url = null;
String author = null;
String description = null;
try{
Torrent torrent = file.getSourceFile().getDownload().getTorrent();
TOTorrent toTorrent = PluginCoreUtils.unwrap(torrent);
long duration_secs = PlatformTorrentUtils.getContentVideoRunningTime(toTorrent);
if ( mediaContent.length() > 0 && duration_secs > 0 ){
mediaContent += " duration=\"" + duration_secs + "\"";
}
thumb_url = PlatformTorrentUtils.getContentThumbnailUrl(toTorrent);
author = PlatformTorrentUtils.getContentAuthor(toTorrent);
description= PlatformTorrentUtils.getContentDescription(toTorrent);
if ( description != null ){
description = escapeMultiline( description );
/*
if ( thumb_url != null ){
pw.println( "<description type=\"text/html\">" +
escape( "<div style=\"text-align: justify;padding: 5px;\"><img style=\"float: left;margin-right: 15px;margin-bottom: 15px;\" src=\"" + thumb_url + "\"/>" ) +
description +
escape( "</div>" ) +
"</description>" );
}else{
*/
pw.println( "<description>" + description + "</description>");
//}
}
}catch( Throwable e ){
}
// media elements
if ( mediaContent.length() > 0 ){
pw.println( mediaContent += "></media:content>" );
}
pw.println( "<media:title>" + escape( file.getName()) + "</media:title>" );
if ( description != null ){
pw.println( "<media:description>" + description + "</media:description>" );
}
if ( thumb_url != null ) {
pw.println("<media:thumbnail url=\"" + thumb_url + "\"/>" );
}
// iTunes elements
if ( thumb_url != null ) {
pw.println("<itunes:image href=\"" + thumb_url + "\"/>");
}
if ( author != null ){
pw.println("<itunes:author>" + escape(author) + "</itunees:author>");
}
pw.println( "<itunes:summary>" + escape( file.getName()) + "</itunes:summary>" );
pw.println( "<itunes:duration>" + TimeFormatter.formatColon( file.getDurationMillis()/1000 ) + "</itunes:duration>" );
pw.println( "</item>" );
}catch( Throwable e ){
Debug.out(e);
}
}
pw.println( "</channel>" );
pw.println( "</rss>" );
}finally{
if ( debug ){
pw.setEnabled( false );
pw.println( "</pre>" );
pw.println( "</BODY></HTML>" );
}
}
}
}
pw.flush();
return( true );
}
protected String
escape(
String str )
{
return( XUXmlWriter.escapeXML(str));
}
protected String
escapeMultiline(
String str )
{
return( XUXmlWriter.escapeXML(str.replaceAll("[\r\n]+", "<BR>")));
}
}