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diff --git a/maintenance/generateSitemap.php b/maintenance/generateSitemap.php
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+<?php
+define( 'GS_MAIN', -2 );
+define( 'GS_TALK', -1 );
+/**
+ * Creates a Google sitemap for the site
+ *
+ * @package MediaWiki
+ * @subpackage Maintenance
+ *
+ * @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason
+ * @copyright Copyright © 2005, Jens Frank <jeluf@gmx.de>
+ * @copyright Copyright © 2005, Brion Vibber <brion@pobox.com>
+ *
+ * @link http://www.google.com/webmasters/sitemaps/docs/en/about.html
+ * @link http://www.google.com/schemas/sitemap/0.84/sitemap.xsd
+ *
+ * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License 2.0 or later
+ */
+
+class GenerateSitemap {
+ /**
+ * The maximum amount of urls in a sitemap file
+ *
+ * @link http://www.google.com/schemas/sitemap/0.84/sitemap.xsd
+ *
+ * @var int
+ */
+ var $url_limit;
+
+ /**
+ * The maximum size of a sitemap file
+ *
+ * @link http://www.google.com/webmasters/sitemaps/docs/en/protocol.html#faq_sitemap_size
+ *
+ * @var int
+ */
+ var $size_limit;
+
+ /**
+ * The path to prepend to the filename
+ *
+ * @var string
+ */
+ var $fspath;
+
+ /**
+ * The path to append to the domain name
+ *
+ * @var string
+ */
+ var $path;
+
+ /**
+ * Whether or not to use compression
+ *
+ * @var bool
+ */
+ var $compress;
+
+ /**
+ * The number of entries to save in each sitemap file
+ *
+ * @var array
+ */
+ var $limit = array();
+
+ /**
+ * Key => value entries of namespaces and their priorities
+ *
+ * @var array
+ */
+ var $priorities = array(
+ // Custom main namespaces
+ GS_MAIN => '0.5',
+ // Custom talk namesspaces
+ GS_TALK => '0.1',
+ // MediaWiki standard namespaces
+ NS_MAIN => '1.0',
+ NS_TALK => '0.1',
+ NS_USER => '0.5',
+ NS_USER_TALK => '0.1',
+ NS_PROJECT => '0.5',
+ NS_PROJECT_TALK => '0.1',
+ NS_IMAGE => '0.5',
+ NS_IMAGE_TALK => '0.1',
+ NS_MEDIAWIKI => '0.0',
+ NS_MEDIAWIKI_TALK => '0.1',
+ NS_TEMPLATE => '0.0',
+ NS_TEMPLATE_TALK => '0.1',
+ NS_HELP => '0.5',
+ NS_HELP_TALK => '0.1',
+ NS_CATEGORY => '0.5',
+ NS_CATEGORY_TALK => '0.1',
+ );
+
+ /**
+ * A one-dimensional array of namespaces in the wiki
+ *
+ * @var array
+ */
+ var $namespaces = array();
+
+ /**
+ * When this sitemap batch was generated
+ *
+ * @var string
+ */
+ var $timestamp;
+
+ /**
+ * A database slave object
+ *
+ * @var object
+ */
+ var $dbr;
+
+ /**
+ * A resource pointing to the sitemap index file
+ *
+ * @var resource
+ */
+ var $findex;
+
+
+ /**
+ * A resource pointing to a sitemap file
+ *
+ * @var resource
+ */
+ var $file;
+
+ /**
+ * A resource pointing to php://stderr
+ *
+ * @var resource
+ */
+ var $stderr;
+
+ /**
+ * Constructor
+ *
+ * @param string $fspath The path to prepend to the filenames, used to
+ * save them somewhere else than in the root directory
+ * @param string $path The path to append to the domain name
+ * @param bool $compress Whether to compress the sitemap files
+ */
+ function GenerateSitemap( $fspath, $path, $compress ) {
+ global $wgDBname, $wgScriptPath;
+
+ $this->url_limit = 50000;
+ $this->size_limit = pow( 2, 20 ) * 10;
+ $this->fspath = isset( $fspath ) ? $fspath : '';
+ $this->path = isset( $path ) ? $path : $wgScriptPath;
+ $this->compress = $compress;
+
+ $this->stderr = fopen( 'php://stderr', 'wt' );
+ $this->dbr =& wfGetDB( DB_SLAVE );
+ $this->generateNamespaces();
+ $this->timestamp = wfTimestamp( TS_ISO_8601, wfTimestampNow() );
+ $this->findex = fopen( "{$this->fspath}sitemap-index-$wgDBname.xml", 'wb' );
+ }
+
+ /**
+ * Generate a one-dimensional array of existing namespaces
+ */
+ function generateNamespaces() {
+ $fname = 'GenerateSitemap::generateNamespaces';
+
+ $res = $this->dbr->select( 'page',
+ array( 'page_namespace' ),
+ array(),
+ $fname,
+ array(
+ 'GROUP BY' => 'page_namespace',
+ 'ORDER BY' => 'page_namespace',
+ )
+ );
+
+ while ( $row = $this->dbr->fetchObject( $res ) )
+ $this->namespaces[] = $row->page_namespace;
+ }
+
+ /**
+ * Get the priority of a given namespace
+ *
+ * @param int $namespace The namespace to get the priority for
+ +
+ * @return string
+ */
+
+ function priority( $namespace ) {
+ return isset( $this->priorities[$namespace] ) ? $this->priorities[$namespace] : $this->guessPriority( $namespace );
+ }
+
+ /**
+ * If the namespace isn't listed on the priority list return the
+ * default priority for the namespace, varies depending on whether it's
+ * a talkpage or not.
+ *
+ * @param int $namespace The namespace to get the priority for
+ *
+ * @return string
+ */
+ function guessPriority( $namespace ) {
+ return Namespace::isMain( $namespace ) ? $this->priorities[GS_MAIN] : $this->priorities[GS_TALK];
+ }
+
+ /**
+ * Return a database resolution of all the pages in a given namespace
+ *
+ * @param int $namespace Limit the query to this namespace
+ *
+ * @return resource
+ */
+ function getPageRes( $namespace ) {
+ $fname = 'GenerateSitemap::getPageRes';
+
+ return $this->dbr->select( 'page',
+ array(
+ 'page_namespace',
+ 'page_title',
+ 'page_touched',
+ ),
+ array( 'page_namespace' => $namespace ),
+ $fname
+ );
+ }
+
+ /**
+ * Main loop
+ *
+ * @access public
+ */
+ function main() {
+ global $wgDBname, $wgContLang;
+
+ fwrite( $this->findex, $this->openIndex() );
+
+ foreach ( $this->namespaces as $namespace ) {
+ $res = $this->getPageRes( $namespace );
+ $this->file = false;
+ $this->generateLimit( $namespace );
+ $length = $this->limit[0];
+ $i = $smcount = 0;
+
+ $fns = $wgContLang->getFormattedNsText( $namespace );
+ $this->debug( "$namespace ($fns)" );
+ while ( $row = $this->dbr->fetchObject( $res ) ) {
+ if ( $i++ === 0 || $i === $this->url_limit + 1 || $length + $this->limit[1] + $this->limit[2] > $this->size_limit ) {
+ if ( $this->file !== false ) {
+ $this->write( $this->file, $this->closeFile() );
+ $this->close( $this->file );
+ }
+ $filename = $this->sitemapFilename( $namespace, $smcount++ );
+ $this->file = $this->open( $this->fspath . $filename, 'wb' );
+ $this->write( $this->file, $this->openFile() );
+ fwrite( $this->findex, $this->indexEntry( $filename ) );
+ $this->debug( "\t$filename" );
+ $length = $this->limit[0];
+ $i = 1;
+ }
+ $title = Title::makeTitle( $row->page_namespace, $row->page_title );
+ $date = wfTimestamp( TS_ISO_8601, $row->page_touched );
+ $entry = $this->fileEntry( $title->getFullURL(), $date, $this->priority( $namespace ) );
+ $length += strlen( $entry );
+ $this->write( $this->file, $entry );
+ }
+ if ( $this->file ) {
+ $this->write( $this->file, $this->closeFile() );
+ $this->close( $this->file );
+ }
+ }
+ fwrite( $this->findex, $this->closeIndex() );
+ fclose( $this->findex );
+ }
+
+ /**
+ * gzopen() / fopen() wrapper
+ *
+ * @return resource
+ */
+ function open( $file, $flags ) {
+ return $this->compress ? gzopen( $file, $flags ) : fopen( $file, $flags );
+ }
+
+ /**
+ * gzwrite() / fwrite() wrapper
+ */
+ function write( &$handle, $str ) {
+ if ( $this->compress )
+ gzwrite( $handle, $str );
+ else
+ fwrite( $handle, $str );
+ }
+
+ /**
+ * gzclose() / fclose() wrapper
+ */
+ function close( &$handle ) {
+ if ( $this->compress )
+ gzclose( $handle );
+ else
+ fclose( $handle );
+ }
+
+ /**
+ * Get a sitemap filename
+ *
+ * @static
+ *
+ * @param int $namespace The namespace
+ * @param int $count The count
+ *
+ * @return string
+ */
+ function sitemapFilename( $namespace, $count ) {
+ global $wgDBname;
+
+ $ext = $this->compress ? '.gz' : '';
+
+ return "sitemap-$wgDBname-NS_$namespace-$count.xml$ext";
+ }
+
+ /**
+ * Return the XML required to open an XML file
+ *
+ * @static
+ *
+ * @return string
+ */
+ function xmlHead() {
+ return '<?xml version="1.0" encoding="UTF-8"?>' . "\n";
+ }
+
+ /**
+ * Return the XML schema being used
+ *
+ * @static
+ *
+ * @returns string
+ */
+ function xmlSchema() {
+ return 'http://www.google.com/schemas/sitemap/0.84';
+ }
+
+ /**
+ * Return the XML required to open a sitemap index file
+ *
+ * @return string
+ */
+ function openIndex() {
+ return $this->xmlHead() . '<sitemapindex xmlns="' . $this->xmlSchema() . '">' . "\n";
+ }
+
+ /**
+ * Return the XML for a single sitemap indexfile entry
+ *
+ * @static
+ *
+ * @param string $filename The filename of the sitemap file
+ *
+ * @return string
+ */
+ function indexEntry( $filename ) {
+ return
+ "\t<sitemap>\n" .
+ "\t\t<loc>$filename</loc>\n" .
+ "\t\t<lastmod>{$this->timestamp}</lastmod>\n" .
+ "\t</sitemap>\n";
+ }
+
+ /**
+ * Return the XML required to close a sitemap index file
+ *
+ * @static
+ *
+ * @return string
+ */
+ function closeIndex() {
+ return "</sitemapindex>\n";
+ }
+
+ /**
+ * Return the XML required to open a sitemap file
+ *
+ * @return string
+ */
+ function openFile() {
+ return $this->xmlHead() . '<urlset xmlns="' . $this->xmlSchema() . '">' . "\n";
+ }
+
+ /**
+ * Return the XML for a single sitemap entry
+ *
+ * @static
+ *
+ * @param string $url An RFC 2396 compilant URL
+ * @param string $date A ISO 8601 date
+ * @param string $priority A priority indicator, 0.0 - 1.0 inclusive with a 0.1 stepsize
+ *
+ * @return string
+ */
+ function fileEntry( $url, $date, $priority ) {
+ return
+ "\t<url>\n" .
+ "\t\t<loc>$url</loc>\n" .
+ "\t\t<lastmod>$date</lastmod>\n" .
+ "\t\t<priority>$priority</priority>\n" .
+ "\t</url>\n";
+ }
+
+ /**
+ * Return the XML required to close sitemap file
+ *
+ * @static
+ * @return string
+ */
+ function closeFile() {
+ return "</urlset>\n";
+ }
+
+ /**
+ * Write a string to stderr followed by a UNIX newline
+ */
+ function debug( $str ) {
+ fwrite( $this->stderr, "$str\n" );
+ }
+
+ /**
+ * Populate $this->limit
+ */
+ function generateLimit( $namespace ) {
+ $title = Title::makeTitle( $namespace, str_repeat( "\xf0\xa8\xae\x81", 63 ) . "\xe5\x96\x83" );
+
+ $this->limit = array(
+ strlen( $this->openFile() ),
+ strlen( $this->fileEntry( $title->getFullUrl(), wfTimestamp( TS_ISO_8601, wfTimestamp() ), $this->priority( $namespace ) ) ),
+ strlen( $this->closeFile() )
+ );
+ }
+}
+
+if ( in_array( '--help', $argv ) ) {
+ echo
+ "Usage: php generateSitemap.php [host] [options]\n" .
+ "\thost = hostname\n" .
+ "\toptions:\n" .
+ "\t\t--help\tshow this message\n" .
+ "\t\t--fspath\tThe file system path to save to, e.g /tmp/sitemap/\n" .
+ "\t\t--path\tThe http path to use, e.g. /wiki\n" .
+ "\t\t--compress=[yes|no]\tcompress the sitemap files, default yes\n";
+ die( -1 );
+}
+
+if ( isset( $argv[1] ) && strpos( $argv[1], '--' ) !== 0 )
+ $_SERVER['SERVER_NAME'] = $argv[1];
+
+$optionsWithArgs = array( 'fspath', 'path', 'compress' );
+require_once 'commandLine.inc';
+
+$gs = new GenerateSitemap( @$options['fspath'], @$options['path'], @$options['compress'] !== 'no' );
+$gs->main();
+?>