stylesheet = '';
if ( ! empty( $_SERVER['SERVER_PROTOCOL'] ) ) {
$this->http_protocol = sanitize_text_field( $_SERVER['SERVER_PROTOCOL'] );
}
$this->init();
add_action( 'wpforo_before_init', array($this, 'before_init') );
}
public function init() {
$this->init_defaults();
$this->init_options();
$this->init_hooks();
}
private function init_defaults() {
$this->default = new stdClass();
$this->default->options = array(
'members_sitemap' => 1,
'forums_sitemap' => 1,
'topics_sitemap' => 1,
'sitemap_items_per_page' => 1000,
'allow_ping' => 1,
'ping_immediately' => 0
);
}
private function init_options() {
$this->options = apply_filters( 'wpforo_seo_options', get_wpf_option( 'wpforo_seo_options', $this->default->options ) );
}
private function init_hooks() {
add_filter( 'wpforo_before_init_current_object', array( $this, 'redirect' ), 10, 2 );
add_action( 'wpforo_ping_search_engines', array( $this, 'ping_search_engines' ) );
add_action( 'wpforo_hit_sitemap_index', array( $this, 'hit_sitemap_index' ) );
}
public function before_init(){
if( !wpforo_feature('seo-profile') ) $this->options['members_sitemap'] = 0;
}
public function sitemap_url($url)
{
$date = ( !empty($url['lastmod']) ? date('c', strtotime($url['lastmod']) ) : null );
$url['loc'] = htmlspecialchars($url['loc']);
$output = "\t\n";
$output .= "\t\t" . $this->encode_url_rfc3986($url['loc']) . "\n";
$output .= empty($date) ? '' : "\t\t" . htmlspecialchars($date) . "\n";
$output .= "\t\n";
return apply_filters('wpforo_sitemap_url', $output, $url);
}
public function members_sitemap($paged){
$paged = absint($paged);
$sitemap = '';
if( $paged && $profiles = $this->get_public_profiles($paged) ){
foreach ( $profiles as $profile ){
if( $profile['loc'] = wpforo_member($profile['userid'], 'profile_url') ){
$sitemap .= $this->sitemap_url($profile);
}
}
}
return $sitemap;
}
public function forums_sitemap(){
$sitemap = '';
if( $forums = $this->get_public_forums() ){
foreach ( $forums as $forum ){
$forum['loc'] = wpforo_forum($forum['forumid'], 'url');
$sitemap .= $this->sitemap_url($forum);
}
}
return $sitemap;
}
public function topics_sitemap($paged){
$paged = absint($paged);
$sitemap = '';
if( $paged && $topics = $this->get_public_topics($paged) ){
foreach ( $topics as $topic ){
$topic['loc'] = wpforo_topic($topic['topicid'], 'url');
$sitemap .= $this->sitemap_url($topic);
}
}
return $sitemap;
}
private function encode_url_rfc3986($url)
{
if (filter_var($url, FILTER_VALIDATE_URL)) {
return $url;
}
$path = wp_parse_url($url, PHP_URL_PATH);
if (!empty($path) && '/' !== $path) {
$encoded_path = explode('/', $path);
$encoded_path = array_map('rawurldecode', $encoded_path);
$encoded_path = array_map('rawurlencode', $encoded_path);
$encoded_path = implode('/', $encoded_path);
$encoded_path = str_replace('%7E', '~', $encoded_path); // PHP <5.3.
$url = str_replace($path, $encoded_path, $url);
}
$query = wp_parse_url($url, PHP_URL_QUERY);
if (!empty($query)) {
parse_str($query, $parsed_query);
if (defined('PHP_QUERY_RFC3986')) { // PHP 5.4+.
$parsed_query = http_build_query($parsed_query, null, '&', PHP_QUERY_RFC3986);
} else {
$parsed_query = http_build_query($parsed_query, null, '&');
$parsed_query = str_replace('+', '%20', $parsed_query);
$parsed_query = str_replace('%7E', '~', $parsed_query);
}
$url = str_replace($query, $parsed_query, $url);
}
return $url;
}
private function get_public_profiles($paged = 0)
{
$profiles = array();
if( $groupids = WPF()->usergroup->get_visible_usergroup_ids() ){
$items_per_page = $this->options['sitemap_items_per_page'];
$sql = "SELECT `userid`, FROM_UNIXTIME( IFNULL(`online_time`, UNIX_TIMESTAMP()) ) AS lastmod
FROM " . WPF()->tables->profiles . "
WHERE `groupid` IN(" . implode(',', $groupids) . ")
OR `secondary_groups` REGEXP '(,|^)(" . implode('|', $groupids) . ")(,|$)'
ORDER BY `userid` ASC";
if ($paged) $sql .= " LIMIT " . (--$paged * $items_per_page) . ", $items_per_page";
$profiles = (array) WPF()->db->get_results($sql, ARRAY_A);
}
return $profiles;
}
private function get_public_forums()
{
$forums = array();
if( $forumids = $this->get_public_forumids() ){
$sql = "SELECT `forumid`,
CASE
WHEN `last_post_date` = '0000-00-00 00:00:00'
THEN NOW()
ELSE `last_post_date`
END AS lastmod
FROM " . WPF()->tables->forums . "
WHERE `forumid` IN(" . implode(',', $forumids) . ")
ORDER BY `parentid` ASC, `title` ASC";
$forums = (array) WPF()->db->get_results($sql, ARRAY_A);
}
return $forums;
}
private function get_public_forumids()
{
$forumids = array();
$sql = "SELECT `forumid` FROM " . WPF()->tables->forums . " ORDER BY `parentid` ASC, `title` ASC";
if ($_forumids = WPF()->db->get_col($sql)) {
foreach ($_forumids as $_forumid) {
if (WPF()->perm->forum_can('vf', $_forumid)) {
$forumids[] = $_forumid;
}
}
}
return $forumids;
}
private function get_public_topics($paged = 0)
{
$topics = array();
if( $forumids = $this->get_public_forumids() ){
$items_per_page = $this->options['sitemap_items_per_page'];
$sql = "SELECT `topicid`, `modified` as lastmod
FROM " . WPF()->tables->topics . "
WHERE `private` = 0
AND `status` = 0
AND `forumid` IN(" . implode(',', $forumids) . ")
ORDER BY `topicid` ASC";
if ($paged) $sql .= " LIMIT " . (--$paged * $items_per_page) . ", $items_per_page";
$topics = (array) WPF()->db->get_results($sql, ARRAY_A);
}
return $topics;
}
private function get_public_profiles_count(){
$count = 0;
if( $groupids = WPF()->usergroup->get_visible_usergroup_ids() ){
$sql = "SELECT COUNT(*)
FROM " . WPF()->tables->profiles . "
WHERE `groupid` IN(" . implode(',', $groupids) . ")
OR `secondary_groups` REGEXP '(,|^)(" . implode('|', $groupids) . ")(,|$)'";
$count = (int) WPF()->db->get_var($sql);
}
return $count;
}
private function get_public_topics_count(){
$count = 0;
if( $forumids = $this->get_public_forumids() ){
$sql = "SELECT COUNT(*)
FROM " . WPF()->tables->topics . "
WHERE `private` = 0
AND `status` = 0
AND `forumid` IN(" . implode(',', $forumids) . ")";
$count = (int) WPF()->db->get_var($sql);
}
return $count;
}
public function get_root_map() {
$links = array();
$items_per_page = $this->options['sitemap_items_per_page'];
if( $this->options['topics_sitemap'] ){
if( $topics_count = $this->get_public_topics_count() ){
$pages_count = ceil($topics_count/$items_per_page);
for( $i = 1; $i <= $pages_count; $i++ ){
$links[] = trim( wpforo_home_url('topic-sitemap' . $i . '.xml'), '/' );
}
}
}
if( $this->options['members_sitemap'] ){
if( $profiles_count = $this->get_public_profiles_count() ){
$pages_count = ceil($profiles_count/$items_per_page);
for( $i = 1; $i <= $pages_count; $i++ ){
$links[] = trim( wpforo_home_url('profile-sitemap' . $i . '.xml'), '/' );
}
}
}
$links[] = trim( wpforo_home_url('forum-sitemap.xml'), '/' );
// make sitemap index
$xml = '' . "\n";
foreach ( $links as $link ) {
$link = htmlspecialchars( $link );
$xml .= "\t\n";
$xml .= "\t\t" . $link . "\n";
$xml .= "\t\n";
}
$xml .= apply_filters( 'wpforo_sitemap_index', '' );
$xml .= '';
return $xml;
}
public function get_sitemap( $type, $paged ) {
$transient_key = 'wpforo_seo_sitemap_' . $type . $paged;
if( !$xml = get_transient($transient_key) ){
if( $type ){
$urls = '';
switch ($type){
case 'topic':
if( $this->options['topics_sitemap'] ) $urls = $this->topics_sitemap($paged);
break;
case 'forum':
if( $this->options['forums_sitemap'] ) $urls = $this->forums_sitemap();
break;
case 'profile':
if( $this->options['members_sitemap'] ) $urls = $this->members_sitemap($paged);
break;
}
if($urls){
$urlset = '' . "\n";
$xml = apply_filters( "wpforo_sitemap_{$type}_urlset", $urlset );
$xml .= $urls;
$xml .= '';
}
}else{
$xml = $this->get_root_map();
}
set_transient($transient_key, $xml, DAY_IN_SECONDS);
}
return (string)$xml;
}
public function get_output( $sitemap ) {
$output = '';
if ( $this->stylesheet ) {
$output .= apply_filters( 'wpforo_stylesheet_url', $this->stylesheet ) . "\n";
}
$output .= $sitemap;
$output .= "\n";
return $output;
}
public function output( $sitemap ) {
if ( ! headers_sent() ) {
header( $this->http_protocol . ' 200 OK', true, 200 );
// Prevent the search engines from indexing the XML Sitemap.
header( 'X-Robots-Tag: noindex, follow', true );
header( 'Content-Type: text/xml; charset=UTF-8' );
}
echo $this->get_output($sitemap);
}
public function sitemap_close() {
remove_all_actions( 'wp_footer' );
die();
}
public function redirect($current_object, $wpf_url_parse){
$pattern = '#^[\r\n\t\s\0]*(?\w*)-?sitemap(?:(?\d*)|_index)\.xml[\r\n\t\s\0]*$#iu';
if( !empty($wpf_url_parse[0]) && preg_match($pattern, basename($wpf_url_parse[0]), $match) ){
$current_object['template'] = 'sitemap';
$query = array('type' => '', 'paged' => 1);
$query = wpforo_parse_args($match, $query);
$type = trim($query['type']);
$paged = absint($query['paged']);
if(!$paged) $paged = 1;
if( $sitemap = $this->get_sitemap($type, $paged) ){
$this->output($sitemap);
$this->sitemap_close();
}else{
$current_object['is_404'] = true;
}
}
return $current_object;
}
public function hit_sitemap_index() {
wp_remote_get( trim( wpforo_home_url('sitemap_index.xml'), '/' ) );
}
public function ping_search_engines( $url = '' ) {
if( !$this->options['allow_ping'] || !$this->get_public_forumids() ) return;
if(!$url) $url = urlencode( trim( wpforo_home_url('sitemap_index.xml'), '/' ) );
wp_remote_get( 'http://www.google.com/webmasters/tools/ping?sitemap=' . $url, array( 'blocking' => false ) );
wp_remote_get( 'http://www.bing.com/ping?sitemap=' . $url, array( 'blocking' => false ) );
}
public function clear_cache( $type = '', $paged = 1 ) {
if( $type == '' && $paged = 1 ){
$like = 'wpforo_seo_sitemap_%';
$wheres = array();
$wheres[] = sprintf( "option_name LIKE '%s'", addcslashes( '_transient_' . $like, '_' ) );
$wheres[] = sprintf( "option_name LIKE '%s'", addcslashes( '_transient_timeout_' . $like, '_' ) );
// Delete transients.
$sql = sprintf( 'DELETE FROM %1$s WHERE %2$s', WPF()->db->options, implode( ' OR ', $wheres ) );
WPF()->db->query($sql);
}else{
$transient_key = 'wpforo_seo_sitemap_' . $type . $paged;
delete_transient($transient_key);
}
switch ($type){
case 'profile':
if( !$this->options['members_sitemap'] ) return;
break;
case 'forum':
if( !$this->options['forums_sitemap'] ) return;
break;
case 'topic':
if( !$this->options['topics_sitemap'] ) return;
break;
case '':
break;
default:
return;
}
wp_schedule_single_event( ( time() + 300 ), 'wpforo_hit_sitemap_index' );
if(!$this->options['allow_ping']) return;
if ( $this->options['ping_immediately'] ) {
$this->ping_search_engines();
}elseif ( !wp_next_scheduled('wpforo_ping_search_engines') ) {
wp_schedule_single_event( ( time() + 300 ), 'wpforo_ping_search_engines' );
}
}
}