boinc/doc/rss_main.php

90 lines
2.8 KiB
PHP

<?php
// rss_main.php:
// RSS 2.0 feed for BOINC default server installation.
// Channel Main show the current news on project mainpage
// - for more informations about RSS see RSS 2.0 Specification:
// http://blogs.law.harvard.edu/tech/rss
// Create and send out http header
//
header ("Expires: " . gmdate('D, d M Y H:i:s', time()) . " GMT");
header ("Last-Modified: " . gmdate('D, d M Y H:i:s') . " GMT");
header ("Content-Type: text/xml");
// Get or set display options
// - from 1 to 9 News could be set by option news, default is up to 9
//
$news = $_GET["news"];
if (!$news) {
$news = "9";
} else {
if($news < "1" or $news > "9") {
$news = "9";
}
}
function image_as_link($text){
// Build some regex (should be a *lot* faster)
$pattern = '@<img src=([^>]+)>@si'; // Gives us the URL in ${1}...
$replacement = '<a href=${1}>[Image Link]</a>'; // Turns that URL into a hyperlink
$text = preg_replace($pattern, $replacement, $text);
return $text;
}
require_once("boinc_news.php");
// Create channel header and open XML content
//
$description = "BOINC project ".PROJECT.": Main page News";
$channel_image = "http://boinc.berkeley.edu/www_logo.gif";
$create_date = gmdate('D, d M Y H:i:s') . ' GMT';
$language = "en-us";
echo "<?xml version=\"1.0\" encoding=\"ISO-8859-1\" ?>
<rss version=\"2.0\">
<channel>
<title>BOINC</title>
<link>http://boinc.berkeley.edu</link>
<description>
News and announcements related to
BOINC (Berkeley Open Infrastructure for Network Computing),
an open-source platform for volunteer and grid commputing.
</description>
<copyright>U.C. Berkeley</copyright>
<lastBuildDate>$create_date</lastBuildDate>
<language>$language</language>
<image>
<url>$channel_image</url>
<title>BOINC</title>
<link>http://boinc.berkeley.edu</link>
</image>
";
// - Create news items
//
$tot = count($project_news);
$news = min( $tot, $news);
for( $item=0; $item < $news; $item++ ) {
$j = $tot - $item;
if( count($project_news[$item]) == 2) {
$d = strtotime($project_news[$item][0]);
$news_date=gmdate('D, d M Y H:i:s',$d) . ' GMT';
$unique_url="http://boinc.berkeley.edu/all_news.php#$j";
$title = "BOINC news ". $project_news[$item][0];
$body = image_as_link($project_news[$item][1]);
echo "<item>
<title>$title</title>
<link>http://boinc.berkeley.edu/all_news.php#$j</link>
<guid isPermaLink=\"true\">$unique_url</guid>
<description><![CDATA[$body]]></description>
<pubDate>$news_date</pubDate>
</item>
";
}
}
// Close XML content
//
echo "</channel>\n</rss>";
?>