| Current Path : /opt/cpanel/ea-php54/root/usr/share/pear/RVSeagullMod/modules/faqweb/www/ |
| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/RVSeagullMod/modules/faqweb/www/sitemap.google.php |
<?php
/**
* $Id: sitemap.google.php,v 1.6 2007-03-29 18:01:27 thorstenr Exp $
*
* The dynamic Google Sitemap builder
*
* http://[...]/sitemap.google.php
* http://[...]/sitemap.google.php?gz=1
* http://[...]/sitemap.xml
* http://[...]/sitemap.gz
* http://[...]/sitemap.xml.gz
*
* The Google Sitemap protocol is described here:
* http://www.google.com/webmasters/sitemaps/docs/en/protocol.html
*
* @package phpMyFAQ
* @access public
* @author Matteo Scaramuccia <matteo@scaramuccia.com>
* @since 2006-06-26
* @copyright (c) 2006 phpMyFAQ Team
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*/
// {{{ Constants
/**#@+
* Google Sitemap specification related constants
*/
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_ALWAYS', 'always');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_HOURLY', 'hourly');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_DAILY', 'daily');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_WEEKLY', 'weekly');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_MONTHLY', 'monthly');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_YEARLY', 'yearly');
define('PMF_SITEMAP_GOOGLE_CHANGEFREQ_NEVER', 'never');
define('PMF_SITEMAP_GOOGLE_MAX_URL_LENGTH', 2048);
define('PMF_SITEMAP_GOOGLE_MAX_URLS', 50000);
define('PMF_SITEMAP_GOOGLE_MAX_FILE_LENGTH', 10485760); // 10MB
define('PMF_SITEMAP_GOOGLE_PRIORITY_MIN', '0.0');
define('PMF_SITEMAP_GOOGLE_PRIORITY_MAX', '1.0');
define('PMF_SITEMAP_GOOGLE_PRIORITY_DEFAULT', '0.5');
/**#@-*/
/**#@+
* HTTP parameters
*/
define('PMF_SITEMAP_GOOGLE_GET_GZIP', 'gz');
define('PMF_SITEMAP_GOOGLE_GET_INDEX', 'idx');
define('PMF_SITEMAP_GOOGLE_FILENAME', 'sitemap.xml');
define('PMF_SITEMAP_GOOGLE_FILENAME_GZ', 'sitemap.xml.gz');
define('PMF_SITEMAP_GOOGLE_INDEX_FILENAME', 'sitemap_index.xml');
/**#@-*/
/**#@+
* System pages definitions
*/
define('PMF_ROOT_DIR', dirname(__FILE__));
/**#@-*/
// }}}
// {{{ Includes
$rvPublishPath = dirname(dirname($_SERVER['SCRIPT_FILENAME']));
define('RVS_WEBROOT', $rvPublishPath);
require_once(PMF_ROOT_DIR.'/inc/Init.php');
require_once(PMF_ROOT_DIR.'/inc/Link.php');
require_once(PMF_ROOT_DIR.'/inc/Faq.php');
// }}}
// {{{ Functions
function buildSitemapNode($location, $lastmod = null, $changeFreq = null, $priority = null)
{
if (!isset($lastmod)) {
$lastmod = makeISO8601Date(time(), false);
}
if (!isset($changeFreq)) {
$changeFreq = PMF_SITEMAP_GOOGLE_CHANGEFREQ_DAILY;
}
$node =
'<url>'
.'<loc>'.htmlspecialchars(utf8_encode($location)).'</loc>'
.'<lastmod>'.$lastmod.'</lastmod>'
.'<changefreq>'.$changeFreq.'</changefreq>'
.(isset($priority) ? '<priority>'.$priority.'</priority>' : '')
.'</url>';
return $node;
}
function printHTTPStatus404()
{
if ( ('cgi' == substr(php_sapi_name(), 0, 3))
|| isset($_SERVER['ALL_HTTP'])
)
{
header('Status: 404 Not Found');
}
else
{
header('HTTP/1.0 404 Not Found');
}
exit();
}
// }}}
//
// Future improvements
// WHEN a User PMF Sitemap will be:
// a. bigger than 10MB (!)
// b. w/ more than 50K URLs (!)
// we'll manage this issue using a Sitemap Index Files produced by this PHP code
// including Sitemap URLs always produced by this same PHP code (see PMF_SITEMAP_GOOGLE_GET_INDEX)
//
/* Load Seagull Session */
if (!defined('USE_RVSSEAGULL_MODE')) {
PMF_Init::cleanRequest();
session_name('pmfauth'.$faqconfig->get('main.phpMyFAQToken'));
session_start();
}
$oFaq = new PMF_Faq($db, 'en');
// Load the faq
$items = $oFaq->getTopTenData(PMF_SITEMAP_GOOGLE_MAX_URLS - 1);
$visitsMax = 0;
$visitMin = 0;
if (count($items) > 0) {
$visitsMax = $items[0]['visits'];
$visitMin = $items[count($items)-1]['visits'];
}
// Sitemap header
$sitemap =
'<?xml version="1.0" encoding="UTF-8"?>'
.'<urlset xmlns="http://www.google.com/schemas/sitemap/0.84"'
.' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"'
.' xsi:schemaLocation="http://www.google.com/schemas/sitemap/0.84'
.' http://www.google.com/schemas/sitemap/0.84/sitemap.xsd">';
// 1st entry: the faq server itself
$sitemap .= buildSitemapNode(PMF_Link::getSystemUri('/sitemap.google.php'),
makeISO8601Date(time(), false),
PMF_SITEMAP_GOOGLE_CHANGEFREQ_DAILY,
PMF_SITEMAP_GOOGLE_PRIORITY_MAX
);
// nth entry: each faq
foreach ($items as $item) {
$priority = PMF_SITEMAP_GOOGLE_PRIORITY_DEFAULT;
if (($visitsMax - $visitMin) > 0) {
$priority = sprintf('%.1f', PMF_SITEMAP_GOOGLE_PRIORITY_DEFAULT * (1 + (($item['visits'] - $visitMin)/($visitsMax - $visitMin))));
}
// a. We use plain PMF urls w/o any SEO schema
$link = str_replace($_SERVER['PHP_SELF'], '/index.php', $item['url']);
// b. We use SEO PMF urls
if (PMF_SITEMAP_GOOGLE_USE_SEO) {
if (isset($item['thema'])) {
$oL = new PMF_Link($link);
$oL->itemTitle = $item['thema'];
$link = $oL->toString();
}
}
$sitemap .= buildSitemapNode(
PMF_Link::getSystemUri('/sitemap.google.php').$link,
makeISO8601Date($item['date']),
// TODO: manage changefreq node with the info provided by faqchanges, IF this will not add a big load to the server (+1 query/faq)
PMF_SITEMAP_GOOGLE_CHANGEFREQ_DAILY,
$priority
);
}
$sitemap .= '</urlset>';
if ( isset($_GET[PMF_SITEMAP_GOOGLE_GET_GZIP])
&& is_numeric($_GET[PMF_SITEMAP_GOOGLE_GET_GZIP])
&& (1 == $_GET[PMF_SITEMAP_GOOGLE_GET_GZIP])
) {
if (function_exists('gzencode'))
{
$sitemapGz = gzencode($sitemap);
header('Content-Type: application/x-gzip');
header('Content-Disposition: attachment; filename="'.PMF_SITEMAP_GOOGLE_FILENAME_GZ.'"');
header('Content-Length: '.strlen($sitemapGz));
print $sitemapGz;
}
else
{
printHTTPStatus404();
}
} else {
header('Content-Type: text/xml');
header('Content-Disposition: inline; filename="'.PMF_SITEMAP_GOOGLE_FILENAME.'"');
header('Content-Length: '.strlen($sitemap));
print $sitemap;
}
$db->dbclose();
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