-<?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