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<?php
/*
* Copyright (C) 2009 Nick White
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
header("Content-Type: application/rss+xml");
function extract_description($body)
{
$body = explode("\n", $body);
$description = strip_tags($body[0]); /* use first line of body */
return $description;
}
function rss_header($metadatafile)
{
print("<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n");
print("<rss version=\"2.0\">\n");
/* get variables to use for channel metadata */
include($_SERVER['DOCUMENT_ROOT'] . $metadatafile);
print("<channel>\n");
print("\t<title>" . $title . "</title>\n");
print("\t<link>" . "http://" . $_SERVER['HTTP_HOST'] . "</link>\n");
$description = extract_description($body);
print("\t<description>" . $description . "</description>\n");
print("\t<pubDate>" . date("r") . "</pubDate>\n");
if (isset($copyright) && !empty($copyright))
print("\t<copyright>" . $copyright . "</copyright>\n");
if (empty($language) || !isset($language))
$language = "en";
print("\t<language>" . $language . "</language>\n");
}
function create_item($dir, $file, $full=0)
{
unset($title, $body, $description, $language, $category, $pubdate);
print("\t<item>\n");
include($_SERVER['DOCUMENT_ROOT'] . "/" . $dir . "/" . $file);
print("\t\t<title>" . $title . "</title>\n");
print("\t\t<link>" . "http://" . $_SERVER['SERVER_NAME'] . "/" . $dir . "/" . $file . "</link>\n");
print("\t\t<guid>" . "http://" . $_SERVER['SERVER_NAME'] . "/" . $dir . "/" . $file . "</guid>\n");
$pubdate = filemtime($dir . "/" . $file);
$pubdate = date("r", $pubdate);
print("\t\t<pubDate>" . $pubdate . "</pubDate>\n");
$category = ereg_replace("^text", "", $dir); /* dir after text */
if (!empty($category))
print("\t\t<category>" . $category . "</category>\n");
if ($full)
print("\t\t<description>" . strip_tags($body) . "</description>\n");
else
print("\t\t<description>" . extract_description($body) . "</description>\n");
print("\t</item>\n");
}
function create_items_from_dir($dir, $full=0)
{
if ($handle = opendir($dir)) {
while (false !== ($file = readdir($handle))) {
if (!is_dir($file)) {
if ($file[0] != "." && ereg(".php$", $file))
create_item($dir, $file, $full);
}
else {
if ($file[0] != ".")
create_items_from_dir($dir . "/" . $file, $full);
}
}
closedir($handle);
}
}
function rss_footer()
{
print("</channel>\n");
print("</rss>\n");
}
?>
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