+<?php

+/**

+*

+* @package phpBB SEO GYM Sitemaps

+* @version $Id: google_xml.php 148 2009-11-07 14:50:54Z dcz $

+* @copyright (c) 2006 - 2009 www.phpbb-seo.com

+* @license http://opensource.org/osi3.0/licenses/lgpl-license.php GNU Lesser General Public License

+*

+*/

+// First basic security

+if ( !defined('IN_PHPBB') ) {

+ exit;

+}

+/**

+* google_xml Class

+* www.phpBB-SEO.com

+* @package phpBB SEO

+*/

+class google_xml {

+ var $url_settings = array();

+ var $options = array();

+ var $module_config = array();

+ var $outputs = array();

+ var $xml_files = array();

+ /**

+ * constuctor

+ */

+ function google_xml(&$gym_master) {

+ $this->gym_master = &$gym_master;

+ $this->options = &$this->gym_master->actions;

+ $this->outputs = &$this->gym_master->output_data;

+ $this->url_settings = &$this->gym_master->url_config;

+ $this->module_config = array_merge(

+ // Global

+ $this->gym_master->google_config,

+ // Other stuff required here

+ array(

+ 'google_sources' => $this->gym_master->path_config['gym_path'] . 'sources/',

+ 'google_randomize' => (boolean) $this->gym_master->gym_config['google_xml_randomize'],

+ 'google_unique' => (boolean) $this->gym_master->gym_config['google_xml_unique'],

+ 'google_check_robots' => (boolean) $this->gym_master->gym_config['google_xml_check_robots'],

+ 'google_force_limit' => (boolean) $this->gym_master->gym_config['google_xml_force_limit'],

+ 'google_force_lastmod' => (boolean) $this->gym_master->gym_config['google_xml_force_lastmod'],

+ )

+ );

+ $this->module_config['xml_parse'] = (boolean) ($this->module_config['google_randomize'] || $this->module_config['google_unique'] || $this->module_config['google_force_limit'] || $this->module_config['google_force_lastmod']|| $this->module_config['google_check_robots']);

+ // Check cache

+ $this->gym_master->gym_output->setup_cache(); // Will exit if the cache is sent

+ // List available files

+ $this->get_source_list();

+ // Init url settngs

+ $this->init_url_settings();

+ }

+ /**

+ * Initialize mod rewrite to handle multiple URL standards.

+ * Only one 'if' is required after this in THE loop to properly switch

+ * between the four types (none, advanced, mixed and simple).

+ * @access private

+ */

+ function init_url_settings() {

+ global $phpbb_seo;

+ // vars will fell like rain in the code ;)

+ $this->url_settings['google_xml_delim'] = !empty($phpbb_seo->seo_delim['google_xml']) ? $phpbb_seo->seo_delim['google_xml'] : '-';

+ $this->url_settings['google_xml_static'] = !empty($phpbb_seo->seo_static['google_xml']) ? $phpbb_seo->seo_static['google_xml'] : 'xml';

+ $this->url_settings['modrewrite'] = $this->module_config['google_modrewrite'];

+

+ if ($this->url_settings['modrewrite']) { // Module links

+ $this->url_settings['google_xml_tpl'] = $this->module_config['google_url'] . 'xml' . $this->url_settings['google_xml_delim'] . '%1$s.xml' . $this->url_settings['gzip_ext_out'];

+ } else {

+ $this->url_settings['google_xml_tpl'] = $this->module_config['google_url'] . $this->url_settings['google_default'] . '?xml=%1$s';

+ }

+ return;

+ }

+ /**

+ * sitemap, builds the sitemap

+ * @access private

+ */

+ function sitemap() {

+ global $cache, $phpEx, $config, $user;

+ if (!empty($this->xml_files[$this->options['module_sub']])) {

+ // Check robots.txt ?

+ if ($this->module_config['google_check_robots']) {

+ $this->gym_master->obtain_robots_disallows();

+ }

+ $sitemap_xml_url = sprintf( $this->url_settings['google_xml_tpl'], $this->options['module_sub'] );

+ $this->gym_master->seo_kill_dupes($sitemap_xml_url);

+ $xml_file = $this->xml_files[$this->options['module_sub']];

+ // Grab data

+ if (strpos($xml_file, 'http://') !== false) {

+ @ini_set('user_agent','GYM Sitemaps &amp; RSS / www.phpBB-SEO.com');

+ // You may want to use a higher value for the timout in case you use slow external sitemaps

+ @ini_set('default_socket_timeout', 5);

+ }

+ if ($xml_data = @file_get_contents($xml_file)) {

+ if (!empty($http_response_header)) {

+ $_last_mod = get_date_from_header($http_response_header);

+ } else {

+ $_last_mod = (int) @filemtime($xml_file);

+ }

+ $this->outputs['last_mod_time'] = $_last_mod > $config['board_startdate'] ? $_last_mod : ($user->time_now - rand(500, 10000));

+ if (($url_tag_pos = utf8_strpos($xml_data, '<url>')) === false) {

+ // this basic test failed

+ // @TODO add loggs about this ?

+ $this->gym_master->gym_error(404, '', __FILE__, __LINE__);

+ }

+ if (!$this->module_config['xml_parse']) {

+ // use our hown headers

+ $xml_data = str_replace('</urlset>', '', trim($xml_data) );

+ // Add to the output variable

+ $this->outputs['data'] .= substr($xml_data, $url_tag_pos);

+ // Link count

+ $this->outputs['url_sofar'] = preg_match_all('`\<loc\>[^<>]+\</loc\>`Ui', $xml_data, $matches);

+ // free memory

+ unset($xml_data, $matches);

+ } else {

+ $total_matches = preg_match_all('`\<url\>.+\</url\>`Usi', $xml_data, $matches, PREG_SET_ORDER);

+ // free memory

+ unset($xml_data);

+ if (!empty($matches)) {

+ // Randomize ?

+ if ($this->module_config['google_randomize']) {

+ shuffle($matches);

+ }

+ // Limit ?

+ if ($this->module_config['google_url_limit'] > 0 && $this->module_config['google_url_limit'] < $total_matches) {

+ $matches = array_slice($matches, 0, $this->module_config['google_url_limit']);

+ }

+ // Force last mod ?

+ $_last_mod = $this->module_config['google_force_lastmod'] ? $this->outputs['last_mod_time'] : 0;

+ // Parse URLs

+ $dt = rand(0, 3600);

+ $url_check = array();

+ foreach ($matches as $key => $data) {

+ preg_match_all('`\<(loc|lastmod|changefreq|priority)\>([^<>]+)\</\1\>`Ui', $data[0], $url_tags, PREG_SET_ORDER);

+ $loc = $priority = $changefreq = $lastmod = '';

+ foreach ($url_tags as $url_tag) {

+ if (empty($url_tag[1]) || empty($url_tag[2])) {

+ continue;

+ }

+ $url_tag[1] = strtolower($url_tag[1]);

+ ${$url_tag[1]} = trim($url_tag[2]);

+ }

+ if (empty($loc)) {

+ continue;

+ }

+ // Check unique ?

+ if ($this->module_config['google_unique']) {

+ if (isset($url_check[$loc])) {

+ continue;

+ }

+ $url_check[$loc] = 1;

+ }

+ if ($this->module_config['google_check_robots'] && $this->gym_master->is_robots_disallowed($loc)) {

+ continue;

+ }

+ if ($this->module_config['google_force_lastmod']) {

+ $last_mod = $_last_mod - $dt;

+ $priority = $this->gym_master->get_priority($last_mod);

+ $changefreq = $this->gym_master->get_changefreq($last_mod);

+ $lastmod = gmdate('Y-m-d\TH:i:s'.'+00:00', $last_mod);

+ } else {

+ $lastmod = !empty($lastmod) ? $lastmod : 0;

+ $priority = !empty($priority) ? $priority : 0;

+ $changefreq = !empty($changefreq) ? $changefreq : 0;

+ }

+ $this->parse_item($loc, $priority, $changefreq, $lastmod);

+ unset($matches[$key]);

+ $dt += rand(30, 3600*12);

+ }

+ unset($url_check);

+ } else {

+ // Clear the cache to make sure the guilty url is not shown in the sitemapIndex

+ $cache->destroy('_gym_config_google_xml');

+ $this->gym_master->gym_error(500, '', __FILE__, __LINE__);

+ }

+

+ }

+ } else {

+ // Clear the cache to make sure the guilty url is not shown in the sitemapIndex

+ $cache->destroy('_gym_config_google_xml');

+ $this->gym_master->gym_error(404, '', __FILE__, __LINE__);

+ }

+ } else {

+ $this->gym_master->gym_error(404, '', __FILE__, __LINE__);

+ }

+ return;

+ }

+ /**

+ * sitemapindex, builds the sitemapindex

+ * @access private

+ */

+ function sitemapindex() {

+ global $config;

+ // It's global list call, add module sitemaps

+ // Reset the local counting, since we are cycling through modules

+ $this->outputs['url_sofar'] = 0;

+ foreach ($this->xml_files as $xml_action => $source) {

+ $sitemap_xml_url = sprintf( $this->url_settings['google_xml_tpl'], $xml_action );

+ $last_mod = (int) @filemtime($xml_file);

+ $last_mod = ($last_mod > $config['board_startdate'] && !$this->module_config['google_force_lastmod']) ? $last_mod : (time() - rand(500, 10000));

+ $this->gym_master->parse_sitemap($sitemap_xml_url, $last_mod);

+ }

+ // Add the local counting, since we are cycling through modules

+ $this->outputs['url_sofar_total'] = $this->outputs['url_sofar_total'] + $this->outputs['url_sofar'];

+ return;

+ }

+ /**

+ * get_source_list, builds the available sitemap list

+ * @access private

+ */

+ function get_source_list() {

+ global $cache, $phpEx;

+ if (($this->xml_files = $cache->get('_gym_config_google_xml')) === false) {

+ $this->xml_files = array();

+ // Check the eventual external url config

+ if (file_exists($this->module_config['google_sources'] . "xml_google_external.$phpEx")) {

+ include($this->module_config['google_sources'] . "xml_google_external.$phpEx");

+ // Duplicated keys will be overriden bellow

+ $this->xml_files = array_merge($this->xml_files, $external_setup);

+ }

+ $RegEx = '`^google_([a-z0-9_-]+)\.xml$`i';

+ $xml_dir = @opendir( $this->module_config['google_sources'] );

+ while( ($xml_file = @readdir($xml_dir)) !== false ) {

+ if(preg_match($RegEx, $xml_file, $matches)) {

+ if (!empty($matches[1])) {

+ $this->xml_files[$matches[1]] = $this->module_config['google_sources'] . 'google_' . $matches[1] . '.xml';

+ }

+ }

+ }

+ @closedir($xml_dir);

+ $cache->put('_gym_config_google_xml', $this->xml_files);

+ }

+ return;

+ }

+ /**

+ * parse_item() adds the item info to the output

+ */

+ function parse_item($url, $priority = 1.0, $changefreq = 'always', $lastmodtime = 0) {

+ global $config, $user;

+ $changefreq = isset($this->gym_master->freq_values[$changefreq]) ? sprintf($this->gym_master->style_config['changefreq_tpl'], $changefreq) : '';

+ $priority = $priority <= 1 && $priority > 0 ? sprintf($this->gym_master->style_config['priority_tpl'], $priority) : '';

+ $lastmodtime = $lastmodtime > $config['board_startdate'] ? sprintf($this->gym_master->style_config['lastmod_tpl'], $lastmodtime) : '';

+ $this->gym_master->output_data['data'] .= sprintf($this->gym_master->style_config['Sitemap_tpl'], $url, $lastmodtime, $changefreq, $priority);

+ $this->gym_master->output_data['url_sofar']++;

+ }

+}

+?> \ No newline at end of file