Rev Author Line No. Line
185 miho 1 <?php
2 // WebSVN - Subversion repository viewing via the web using PHP
4988 kaklik 3 // Copyright (C) 2004-2006 Tim Armes
185 miho 4 //
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
9 //
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
4988 kaklik 12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
185 miho 13 // GNU General Public License for more details.
14 //
15 // You should have received a copy of the GNU General Public License
16 // along with this program; if not, write to the Free Software
4988 kaklik 17 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
185 miho 18 //
19 // --
20 //
21 // rss.php
22 //
23 // Creates an rss feed for the given repository number
24  
4988 kaklik 25 require_once 'include/setup.php';
26 require_once 'include/svnlook.php';
27 require_once 'include/utils.php';
28 require_once 'include/template.php';
29 require_once 'include/bugtraq.php';
185 miho 30  
4988 kaklik 31 $max = (int)@$_REQUEST['max'];
32 if ($max == 0)
33 $max = $config->getRssMaxEntries();
34 $quiet = (isset($_REQUEST['quiet']));
185 miho 35  
36 // Find the base URL name
4988 kaklik 37 if ($config->multiViews) {
38 $baseurl = '';
39 } else {
40 $baseurl = dirname($_SERVER['PHP_SELF']);
41 if ($baseurl != '' && $baseurl != DIRECTORY_SEPARATOR && $baseurl != '\\' && $baseurl != '/') {
42 $baseurl .= '/';
43 } else {
44 $baseurl = '/';
45 }
185 miho 46 }
4988 kaklik 47  
48 if ($path == '' || $path[0] != '/') {
49 $ppath = '/'.$path;
50 } else {
51 $ppath = $path;
185 miho 52 }
53  
4988 kaklik 54 if (!$rep) {
55 http_response_code(404);
56 print 'Unable to access resource at path: '.xml_entities($path);
57 exit;
58 }
185 miho 59 // Make sure that the user has full access to the specified directory
4988 kaklik 60 if (!$rep->hasReadAccess($path, false)) {
61 http_response_code(403);
62 print 'Unable to access resource at path: '.xml_entities($path);
63 exit;
64 }
185 miho 65  
66 // If there's no revision info, go to the lastest revision for this path
4988 kaklik 67 $svnrep = new SVNRepository($rep);
68 $history = $svnrep->getLog($path, $rev, '', false, $max, $peg, !$quiet);
69 if (!$history) {
70 http_response_code(404);
71 echo $lang['NOPATH'];
72 exit;
73 }
185 miho 74  
4988 kaklik 75 header('Content-Type: application/xml; charset=utf-8');
185 miho 76  
4988 kaklik 77 if ($rep->isRssCachingEnabled()) {
78 // Filename for storing a cached RSS feed for this particular path/revision
79 $cache = $locwebsvnreal.DIRECTORY_SEPARATOR.'cache'.DIRECTORY_SEPARATOR.strtr($rep->getDisplayName().$path, '\\/:*?"<>|.', '__________').($peg ? '@'.$peg : '').($rev ? '_r'.$rev : '').'m'.$max.($quiet ? 'q' : '').'.rss.xml';
80 // If a recent-enough cached version exists, use it and avoid the work below
81 if (file_exists($cache) && filemtime($cache) >= $history->curEntry->committime) {
82 readfile($cache);
83 exit();
84 }
85 }
185 miho 86  
4988 kaklik 87 $bugtraq = new Bugtraq($rep, $svnrep, $ppath);
185 miho 88  
4988 kaklik 89 // Generate RSS 2.0 feed
90 $rss = '<?xml version="1.0" encoding="utf-8"?>';
91 $rss .= '<rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom"><channel>';
92 $rss .= '<title>'.escape($rep->getDisplayName()).($path ? ' &#x2013; '.$path : '').'</title>';
93 $rss .= '<description>'.escape($lang['RSSFEEDTITLE']).' &#x2013; '.escape($repname).'</description>';
94 $rss .= '<lastBuildDate>'.date('r').'</lastBuildDate>'; // RFC 2822 date format
95 $rss .= '<generator>WebSVN '.$vars['version'].'</generator>';
96 $rss .= '<language>'.$lang['LANGUAGETAG'].'</language>';
97 // URL for matching WebSVN log page
98 $rss .= '<link>'.getFullURL($baseurl.$config->getURL($rep, $path, 'log').(@$_REQUEST['isdir'] == 1 ? 'isdir=1&amp;' : '').'max='.$max.'&amp;'.createRevAndPegString($passrev, $peg)).'</link>';
99 // URL where this original RSS feed can be found
100 $rss .= '<atom:link href="'.escape(getFullURL($_SERVER['REQUEST_URI'])).'" rel="self" type="application/rss+xml" />'."\n";
101 if (is_array($history->entries)) {
102 $itemURL = $baseurl.$config->getURL($rep, $path, 'revision');
103 if (@$_REQUEST['isdir'] == 1 || $path == '' || $path == '/')
104 $itemURL .= 'isdir=1&amp;';
105 foreach ($history->entries as $r) {
106 $wordLimit = 10; // Display only up to the first 10 words of the log message
107 $title = trim(explode('\n', $r->msg)[0]);
108 $title = str_replace(array("\r\n", "\r", "\n", "\t"), ' ', $title);
109 $words = explode(' ', $title, $wordLimit + 1);
110 if (count($words) > $wordLimit) {
111 $title = implode(' ', array_slice($words, 0, $wordLimit)).' ...';
112 }
113 $title = $lang['REV'].' '.$r->rev.' '.mb_convert_encoding('&#x2013;', 'UTF-8', 'HTML-ENTITIES').' '.$title;
114 $description = '<div><strong>'.$r->author;
115 if (!$quiet) {
116 $description .= ' '.mb_convert_encoding('&#x2013;', 'UTF-8', 'HTML-ENTITIES').' '.count($r->mods).' '.$lang['FILESMODIFIED'];
117 }
118 $description .= '</strong><br/>'.nl2br($bugtraq->replaceIDs(create_anchors(str_replace('<', '&lt;', $r->msg)))).'</div>';
119 if (!$quiet) {
120 usort($r->mods, 'SVNLogEntry_compare');
121 foreach ($r->mods as $modifiedResource) {
122 switch ($modifiedResource->action) {
123 case 'A': $description .= '+ '; break;
124 case 'M': $description .= '~ '; break;
125 case 'D': $description .= 'x '; break;
126 }
127 $description .= $modifiedResource->path;
128 if ($modifiedResource->copyfrom != '') {
129 $description .= ' <i>(copied from '.$modifiedResource->copyfrom.'@'.$modifiedResource->copyrev.')</i>';
130 }
131 $description .= '<br />';
132 }
133 }
185 miho 134  
4988 kaklik 135 // skip items with no access
136 if ($r->committime) {
137 $rss .= '<item>';
138 $rss .= '<pubDate>'.date('r', $r->committime).'</pubDate>';
139 $rss .= '<dc:creator>'.escape($r->author).'</dc:creator>';
140 $rss .= '<title>'.escape($title).'</title>';
141 $rss .= '<description>'.escape($description).'</description>';
142 $itemLink = getFullURL($itemURL.createRevAndPegString($r->rev,$peg));
143 $rss .= '<link>'.$itemLink.'</link>';
144 $rss .= '<guid>'.$itemLink.'</guid>';
145 $rss .= '</item>'."\n";
146 }
147 }
148 }
149 $rss .= '</channel></rss>';
185 miho 150  
4988 kaklik 151 if ($rep->isRssCachingEnabled()) {
152 $file = fopen($cache, 'w+');
153 if ($file) {
154 fputs($file, $rss);
155 fclose($file);
156 touch($cache, $history->curEntry->committime); // set timestamp to commit time
157 } else {
158 echo 'Error creating RSS cache file, please check write permissions.';
159 }
185 miho 160 }
4988 kaklik 161 echo $rss;