forked from GNUsocial/gnu-social
376 lines
9.5 KiB
PHP
376 lines
9.5 KiB
PHP
<?php
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define('INSTALLDIR', realpath(dirname(__FILE__) . '/..'));
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define('LACONICA', true);
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require_once(INSTALLDIR . '/lib/common.php');
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require_once(INSTALLDIR . '/lib/util.php');
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$output_paths = parse_args();
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standard_map();
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notices_map();
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user_map();
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index_map();
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# ------------------------------------------------------------------------------
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# Main functions: get data out and turn them into sitemaps
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# ------------------------------------------------------------------------------
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# Generate index sitemap of all other sitemaps.
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function index_map() {
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global $output_paths;
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$output_dir = $output_paths['output_dir'];
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$output_url = $output_paths['output_url'];
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foreach (glob("$output_dir*.xml") as $file_name) {
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# Just the file name please.
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$file_name = preg_replace("|$output_dir|", '', $file_name);
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$index_urls .= sitemap(
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array(
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'url' => $output_url . $file_name,
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'changefreq' => 'daily'
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)
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);
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}
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write_file($output_paths['index_file'], sitemapindex($index_urls));
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}
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# Generate sitemap of standard site elements.
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function standard_map() {
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global $output_paths;
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$standard_map_urls .= url(
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array(
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'url' => common_local_url('public'),
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'changefreq' => 'daily',
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'priority' => '1',
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)
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);
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$standard_map_urls .= url(
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array(
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'url' => common_local_url('publicrss'),
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'changefreq' => 'daily',
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'priority' => '0.3',
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)
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);
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$docs = array('about', 'faq', 'contact', 'im', 'openid', 'openmublog', 'privacy', 'source');
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foreach($docs as $title) {
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$standard_map_urls .= url(
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array(
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'url' => common_local_url('doc', array('title' => $title)),
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'changefreq' => 'monthly',
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'priority' => '0.2',
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)
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);
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}
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$urlset_path = $output_paths['output_dir'] . 'standard.xml';
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write_file($urlset_path, urlset($standard_map_urls));
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}
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# Generate sitemaps of all notices.
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function notices_map() {
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global $output_paths;
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$notices = DB_DataObject::factory('notice');
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$notices->query('SELECT id, uri, url, modified FROM notice');
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$notice_count = 0;
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$map_count = 1;
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while ($notices->fetch()) {
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# Maximum 50,000 URLs per sitemap file.
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if ($notice_count == 50000) {
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$notice_count = 0;
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$map_count++;
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}
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# remote notices have an URL
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if (!$notices->url && $notices->uri) {
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$notice = array(
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'url' => ($notices->uri) ? $notices->uri : common_local_url('shownotice', array('notice' => $notices->id)),
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'lastmod' => common_date_w3dtf($notices->modified),
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'changefreq' => 'never',
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'priority' => '1',
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);
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$notice_list[$map_count] .= url($notice);
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$notice_count++;
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}
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}
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# Make full sitemaps from the lists and save them.
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array_to_map($notice_list, 'notice');
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}
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# Generate sitemaps of all users.
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function user_map() {
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global $output_paths;
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$users = DB_DataObject::factory('user');
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$users->query('SELECT id, nickname FROM user');
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$user_count = 0;
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$map_count = 1;
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while ($users->fetch()) {
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# Maximum 50,000 URLs per sitemap file.
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if ($user_count == 50000) {
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$user_count = 0;
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$map_count++;
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}
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$user_args = array('nickname' => $users->nickname);
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# Define parameters for generating <url></url> elements.
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$user = array(
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'url' => common_local_url('showstream', $user_args),
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'changefreq' => 'daily',
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'priority' => '1',
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);
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$user_rss = array(
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'url' => common_local_url('userrss', $user_args),
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'changefreq' => 'daily',
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'priority' => '0.3',
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);
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$all = array(
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'url' => common_local_url('all', $user_args),
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'changefreq' => 'daily',
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'priority' => '1',
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);
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$all_rss = array(
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'url' => common_local_url('allrss', $user_args),
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'changefreq' => 'daily',
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'priority' => '0.3',
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);
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$replies = array(
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'url' => common_local_url('replies', $user_args),
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'changefreq' => 'daily',
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'priority' => '1',
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);
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$replies_rss = array(
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'url' => common_local_url('repliesrss', $user_args),
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'changefreq' => 'daily',
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'priority' => '0.3',
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);
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$foaf = array(
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'url' => common_local_url('foaf', $user_args),
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'changefreq' => 'weekly',
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'priority' => '0.5',
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);
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# Construct a <url></url> element for each user facet and add it
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# to our existing list of those.
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$user_list[$map_count] .= url($user);
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$user_rss_list[$map_count] .= url($user_rss);
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$all_list[$map_count] .= url($all);
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$all_rss_list[$map_count] .= url($all_rss);
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$replies_list[$map_count] .= url($replies);
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$replies_rss_list[$map_count] .= url($replies_rss);
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$foaf_list[$map_count] .= url($foaf);
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$user_count++;
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}
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# Make full sitemaps from the lists and save them.
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# Possible factoring: put all the lists into a master array, thus allowing
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# calling with single argument (i.e., array_to_map('user')).
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array_to_map($user_list, 'user');
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array_to_map($user_rss_list, 'user_rss');
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array_to_map($all_list, 'all');
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array_to_map($all_rss_list, 'all_rss');
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array_to_map($replies_list, 'replies');
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array_to_map($replies_rss_list, 'replies_rss');
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array_to_map($foaf_list, 'foaf');
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}
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# ------------------------------------------------------------------------------
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# XML generation functions
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# ------------------------------------------------------------------------------
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# Generate a <url></url> element.
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function url($url_args) {
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$url = preg_replace('/&/', '&', $url_args['url']); # escape ampersands for XML
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$lastmod = $url_args['lastmod'];
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$changefreq = $url_args['changefreq'];
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$priority = $url_args['priority'];
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if (is_null($url)) {
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error("url() arguments require 'url' value.");
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}
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$url_out = "\t<url>\n";
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$url_out .= "\t\t<loc>$url</loc>\n";
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if ($changefreq) {
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$url_out .= "\t\t<changefreq>$changefreq</changefreq>\n";
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}
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if ($lastmod) {
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$url_out .= "\t\t<lastmod>$lastmod</lastmod>\n";
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}
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if ($priority) {
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$url_out .= "\t\t<priority>$priority</priority>\n";
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}
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$url_out .= "\t</url>\n";
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return $url_out;
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}
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function sitemap($sitemap_args) {
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$url = preg_replace('/&/', '&', $sitemap_args['url']); # escape ampersands for XML
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$lastmod = $sitemap_args['lastmod'];
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if (is_null($url)) {
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error("url() arguments require 'url' value.");
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}
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$sitemap_out = "\t<sitemap>\n";
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$sitemap_out .= "\t\t<loc>$url</loc>\n";
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if ($lastmod) {
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$sitemap_out .= "\t\t<lastmod>$lastmod</lastmod>\n";
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}
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$sitemap_out .= "\t</sitemap>\n";
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return $sitemap_out;
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}
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# Generate a <urlset></urlset> element.
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function urlset($urlset_text) {
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$urlset = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" .
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'<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n" .
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$urlset_text .
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'</urlset>';
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return $urlset;
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}
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# Generate a <urlset></urlset> element.
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function sitemapindex($sitemapindex_text) {
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$sitemapindex = '<?xml version="1.0" encoding="UTF-8"?>' . "\n" .
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'<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">' . "\n" .
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$sitemapindex_text .
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'</sitemapindex>';
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return $sitemapindex;
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}
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# Generate a sitemap from an array containing <url></url> elements and write it to a file.
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function array_to_map($url_list, $filename_prefix) {
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global $output_paths;
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if ($url_list) {
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# $map_urls is a long string containing concatenated <url></url> elements.
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while (list($map_idx, $map_urls) = each($url_list)) {
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$urlset_path = $output_paths['output_dir'] . "$filename_prefix-$map_idx.xml";
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write_file($urlset_path, urlset($map_urls));
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}
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}
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}
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# ------------------------------------------------------------------------------
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# Internal functions
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# ------------------------------------------------------------------------------
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# Parse command line arguments.
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function parse_args() {
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$args = getopt('f:d:u:');
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if (is_null($args[f]) && is_null($args[d]) && is_null($args[u])) {
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error('Mandatory arguments: -f <index file path> -d <output directory path> -u <URL of sitemaps directory>');
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}
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if (is_null($args[f])) {
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error('You must specify an index file name with the -f option.');
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}
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if (is_null($args[d])) {
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error('You must specify a directory for the output file with the -d option.');
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}
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if (is_null($args[u])) {
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error('You must specify a URL for the directory where the sitemaps will be kept with the -u option.');
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}
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$index_file = $args[f];
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$output_dir = $args[d];
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$output_url = $args[u];
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if (file_exists($output_dir)) {
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if (is_writable($output_dir) === FALSE) {
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error("$output_dir is not writable.");
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}
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} else {
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error("output directory $output_dir does not exist.");
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}
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$paths = array(
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'index_file' => $index_file,
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'output_dir' => trailing_slash($output_dir),
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'output_url' => trailing_slash($output_url),
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);
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return $paths;
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}
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# Ensure paths end with a "/".
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function trailing_slash($path) {
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if (preg_match('/\/$/', $path) == 0) {
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$path .= '/';
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}
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return $path;
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}
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# Write data to disk.
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function write_file($path, $data) {
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if (is_null($path)) {
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error('No path specified for writing to.');
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} elseif (is_null($data)) {
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error('No data specified for writing.');
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}
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if (($fh_out = fopen($path,'w')) === FALSE) {
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error("couldn't open $path for writing.");
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}
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if (fwrite($fh_out, $data) === FALSE) {
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error("couldn't write to $path.");
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}
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}
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# Display an error message and exit.
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function error ($error_msg) {
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if (is_null($error_msg)) {
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$error_msg = 'error() was called without any explanation!';
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}
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echo "Error: $error_msg\n";
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exit(1);
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}
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?>
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