rss.php

<?php
// WebSVN - Subversion repository viewing via the web using PHP
// Copyright (C) 2004-2006 Tim Armes
//
// 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; either version 2 of the License, or
// (at your option) any later version.
//
// 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
//
// --
//
// rss.php
//
// Creates an rss feed for the given repository number

include('include/feedcreator.class.php');

require_once('include/setup.php');
require_once('include/svnlook.php');
require_once('include/utils.php');
require_once('include/template.php');

$isDir = @$_REQUEST['isdir'] == 1;

$maxmessages = 20;

// valid format strings are: RSS0.91, RSS1.0, RSS2.0, PIE0.1, MBOX, OPML
$feedformat = 'RSS2.0';

// Find the base URL name
if ($config->multiViews)
{
   $baseurl = '';
}
else
{
   $baseurl = dirname($_SERVER['PHP_SELF']);
   if ($baseurl != '' && $baseurl != DIRECTORY_SEPARATOR && $baseurl != "\\" && $baseurl != '/' )
      $baseurl .= '/';
   else
      $baseurl = '/';
}

$svnrep = new SVNRepository($rep);

if ($path == '' || $path{0} != '/')
   $ppath = '/'.$path;
else
   $ppath = $path;

// Make sure that the user has full access to the specified directory
if (!$rep->hasReadAccess($path, false))
   exit;

$listurl = $config->getURL($rep, $path, 'dir');

// If there's no revision info, go to the lastest revision for this path
$history = $svnrep->getLog($path, $rev, '', false, $maxmessages);

// Cachename reflecting full path to and rev for rssfeed. Must end with xml to work
$cachename = strtr(getFullURL($listurl), ":/\\?", "____");
$cachename = $locwebsvnreal.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.$cachename.@$_REQUEST['rev'].'_rssfeed.xml';

$rss = new UniversalFeedCreator();
$rss->useCached($feedformat, $cachename);
$rss->title = $rep->getDisplayName();
$rss->description = $lang['RSSFEEDTITLE'].' - '.$repname;
$rss->link = html_entity_decode(getFullURL($baseurl.$listurl));
$rss->syndicationURL = $rss->link;
$rss->xslStyleSheet = ''; //required for UniversalFeedCreator since 1.7
$rss->cssStyleSheet = ''; //required for UniversalFeedCreator since 1.7

if ($history && is_array($history->entries))
{
   foreach ($history->entries as $r)
   {
      $thisrev = $r->rev;
      $changes = $r->mods;
      $files = count($changes);
      
      // Add the trailing slash if we need to (svnlook history doesn't return trailing slashes!)
      $rpath = $r->path;
      if ($isDir && $rpath{strlen($rpath) - 1} != '/')
         $rpath .= '/';
      
      // Find the parent path (or the whole path if it's already a directory)
      $pos = strrpos($rpath, '/');
      $parent = substr($rpath, 0, $pos + 1);
      
      $url = $config->getURL($rep, $parent, 'dir');
      
      $desc = $r->msg;
      $item = new FeedItem();
      
      // For the title, we show the first 10 words of the description
      $pos = 0;
      $len = strlen($desc);
      for ($i = 0; $i < 10; $i++)
      {
         if ($pos >= $len) break;
         
         $pos = strpos($desc, ' ', $pos);
         
         if ($pos === false) break;
         $pos++;
      }
      
      if ($pos !== false)
      {
         $desc = substr($desc, 0, $pos) . '...';
      }
      
      if ($desc == '') $desc = $lang['REV'].' '.$thisrev;
      
      $item->title = $desc;
      $item->link = html_entity_decode(getFullURL($baseurl.$url.'rev='.$thisrev.'&amp;sc='.$showchanged));
      $item->description = '<div><strong>'.$lang['REV'].' '.$thisrev.' - '.$r->author.'</strong> ('.$files.' '.$lang['FILESMODIFIED'].')</div><div>'.nl2br(create_anchors($desc)).'</div>';
      
      if ($showchanged)
      {
         usort($changes, array('SVNLogEntry', 'compare'));
         
         foreach ($changes as $file)
         {
            switch ($file->action)
            {
               case 'A': $item->description .= '+ '; break;
               case 'M': $item->description .= '~ '; break;
               case 'D': $item->description .= '- '; break;
            }
            $item->description .= $file->path.'<br />';
         }
      }
   
      $item->date = $r->committime;
      $item->author = $r->author;
      $item->guid = sha1($item->link);
      
      $rss->addItem($item);
   }
}

// Save the feed
$rss->saveFeed($feedformat, $cachename, false);
header('Content-Type: application/xml');
echo $rss->createFeed($feedformat);

?>