--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/drupal/modules/xmlsitemap/xmlsitemap.pages.inc Fri Aug 21 16:26:26 2009 +0000
@@ -0,0 +1,295 @@
+<?php
+// $Id: xmlsitemap.pages.inc,v 1.1.4.4 2009/07/02 14:20:24 earnie Exp $
+
+
+/**
+ * @file
+ * XML sitemap page callbacks.
+ */
+
+/**
+ * @addtogroup xmlsitemap
+ * @{
+ */
+
+/*****************************************************************************
+ * Menu callbacks / form builders, submit/validate functions.
+ ****************************************************************************/
+
+/**
+ * Menu callback; display the sitemap.
+ *
+ * @param $chunk
+ * An integer specifying which chunk of the sitemap is being requested.
+ * If not set and there is more than one chunk, display the sitemap index.
+ */
+function xmlsitemap_output($chunk = NULL) {
+ global $user;
+ $chunk_size = variable_get('xmlsitemap_chunk_size', XMLSITEMAP_DEFAULT_SITEMAP_LINKS);
+ $link_count = xmlsitemap_link_count();
+ $chunk_count = xmlsitemap_chunk_count();
+ // A sitemap may only have a set number of index links (links to other sitemap
+ // files) and a set number of site links in each of the "other" sitemap files.
+ // This code adjusts the number of site links specified by the user if the
+ // set number of index links has been reached but will not set that number
+ // greater than the set number of site links in a file.
+ if ($chunk_count > XMLSITEMAP_MAX_SITEMAP_INDEX_LINKS &&
+ $chunk_size < XMLSITEMAP_MAX_SITEMAP_LINKS) {
+ // Determine the number of chunks we are over the maximum index links.
+ $chunk_adjust = $chunk_count - XMLSITEMAP_MAX_SITEMAP_INDEX_LINKS;
+ // Determine the number of links to adjust the chunk size.
+ $chunk_adjust = $chunk_adjust * $chunk_size;
+ if (($chunk_size + $chunk_adjust) <= XMLSITEMAP_MAX_SITEMAP_LINKS) {
+ $chunk_size += $chunk_adjust;
+ }
+ else {
+ $chunk_size = XMLSITEMAP_MAX_SITEMAP_LINKS;
+ }
+ variable_set('xmlsitemap_chunk_size', $chunk_size);
+ watchdog('xmlsitemap', 'Chunk size has been updated to @chunk-size.', array('@chunk-size' => $chunk_size));
+ }
+ elseif($chunk_count > XMLSITEMAP_MAX_SITEMAP_INDEX_LINKS) {
+ watchdog('xmlsitemap', 'The maximum number of allowed links has been reached.', NULL, WATCHDOG_ERROR);
+ }
+ if (isset($chunk) && !is_numeric($chunk)) {
+ drupal_not_found();
+ exit();
+ }
+ $id = xmlsitemap_language_id();
+ if (variable_get('xmlsitemap_sitemap_needs_update', FALSE)) {
+ variable_set('xmlsitemap_update_timestamp', REQUEST_TIME);
+ db_query("DELETE FROM {xmlsitemap} WHERE type ='frontpage'");
+ $row = new stdClass();
+ $row->module = 'xmlsitemap';
+ $row->type = 'frontpage';
+ $changefreq = variable_get('xmlsitemap_front_page_changefreq', 3600);
+ $row->changed = REQUEST_TIME - $changefreq;
+ $row->changefreq = $changefreq;
+ $row->priority = variable_get('xmlsitemap_front_page_priority', 1);
+ drupal_write_record('xmlsitemap', $row);
+ module_invoke_all('xmlsitemap_links');
+ variable_set('xmlsitemap_sitemap_needs_update', FALSE);
+ $result = _xmlsitemap_create_cache_files();
+ if (variable_get("xmlsitemap_create_cache_result_$id", -1) !== $result) {
+ variable_set("xmlsitemap_create_cache_result_$id", $result);
+ }
+ }
+ elseif (_xmlsitemap_check_cache_files()) {
+ $result = _xmlsitemap_create_cache_files();
+ if (variable_get("xmlsitemap_create_cache_result_$id", -1) !== $result) {
+ variable_set("xmlsitemap_create_cache_result_$id", $result);
+ }
+ }
+ if (!isset($chunk)) {
+ if (($chunks = (integer) $link_count / $chunk_size) != variable_get('xmlsitemap_previous_chunks_count', -1)) {
+ variable_set('xmlsitemap_previous_chunks_count', $chunks);
+ if (!variable_get('menu_rebuild_needed', FALSE)) {
+ variable_set('menu_rebuild_needed', TRUE);
+ }
+ }
+ }
+ if (isset($result) && !$result) {
+ drupal_not_found();
+ exit();
+ }
+ $parent_directory = variable_get('xmlsitemap_cache_directory', file_directory_path() .'/xmlsitemap');
+ $headers = array("Content-type: text/xml; charset=utf-8");
+ if (isset($chunk)) {
+ if ($chunk < $link_count / $chunk_size) {
+ file_transfer("$parent_directory/xsm-$id-$chunk.xml", $headers);
+ }
+ }
+ else {
+ file_transfer("$parent_directory/xsm-$id.xml", $headers);
+ }
+}
+
+/*****************************************************************************
+ * Private functions.
+ ****************************************************************************/
+
+/**
+ * Check the cache files.
+ *
+ * @return
+ * TRUE if the cache files must be updated / created, FALSE otherwise.
+ */
+function _xmlsitemap_check_cache_files() {
+ $chunk_size = variable_get('xmlsitemap_chunk_size', 1000);
+ $link_count = xmlsitemap_link_count();
+ $id = xmlsitemap_language_id();
+ $parent_directory = variable_get('xmlsitemap_cache_directory', file_directory_path() .'/xmlsitemap');
+ // If the directory that should contains the cache files doesn't exist, then
+ // the cache files must be created.
+ if (!file_check_directory($parent_directory, FILE_CREATE_DIRECTORY)) {
+ return TRUE;
+ }
+ $update_timestamp = variable_get('xmlsitemap_update_timestamp', REQUEST_TIME);
+ // If the cache files creation has failed last time, the cache files must be
+ // created.
+ if (variable_get("xmlsitemap_create_cache_result_$id", -1) !== TRUE) {
+ return TRUE;
+ }
+ // If the main cache file doesn't exist, then the cache files must be
+ // created.
+ if (!file_exists($parent_directory ."/xsm-$id.xml")) {
+ return TRUE;
+ }
+ // If the main cache file has been created before the sitemap content has
+ // been updated, then the cache files must be updated.
+ if (filemtime($parent_directory ."/xsm-$id.xml") < $update_timestamp) {
+ return TRUE;
+ }
+ // Check also the other cache files.
+ if ($link_count > $chunk_size) {
+ for ($chunk = 0; $chunk < $link_count / $chunk_size; ++$chunk) {
+ if (!file_exists($parent_directory ."/xsm-$id-$chunk.xml")) {
+ return TRUE;
+ }
+ if (filemtime($parent_directory ."/xsm-$id-$chunk.xml") < $update_timestamp) {
+ return TRUE;
+ }
+ }
+ }
+ return FALSE;
+}
+
+/**
+ * Create a sitemap chunk cache file.
+ *
+ * @param $fp
+ * A file resource used to write in.
+ * @param $chunk_size
+ * The number of links the chunk must cointain.
+ * @param $chunk
+ * The progressive number associated with the sitemap chunk (starting from
+ * 0).
+ */
+function _xmlsitemap_create_cache_chunk($fp, $chunk_size, $chunk = 0) {
+ fwrite($fp, '<?xml version="1.0" encoding="UTF-8"?>' . "\n");
+ if ($xsl = _xmlsitemap_xsl()) {
+ fwrite($fp, '<?xml-stylesheet type="text/xsl" href="' . $xsl . '" ?>' . "\n");
+ }
+ fwrite($fp, '<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"' . "\n");
+ fwrite($fp, ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"' . "\n");
+ fwrite($fp, ' xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9' . "\n");
+ fwrite($fp, ' http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">' . "\n");
+ $start = $chunk * $chunk_size;
+ $links = db_query_range("SELECT xsm.loc, xsm.module, xsm.type, xsm.id, xsm.sid, xsm.changed, xsm.changefreq, xsm.priority". xmlsitemap_sitemap_query() ."ORDER BY xsm.priority DESC, xsm.changed DESC, xsm.changefreq, xsm.loc", $start, $chunk_size);
+ while ($link = db_fetch_object($links)) {
+ if ($link->type == 'frontpage') {
+ $url = url(NULL, array('absolute' => TRUE));
+ }
+ else {
+ $url = url($link->loc, array('absolute' => TRUE));
+ }
+ $link->url = $url;
+ if ($link->module && function_exists($link->module .'_xmlsitemap_link_status')) {
+ $function = $link->module .'_xmlsitemap_link_status';
+ $link->status = $function($link->type, $link->id, $link->sid);
+ }
+ else {
+ $link->status = 0;
+ }
+ drupal_alter('xmlsitemap_data', $link);
+ if (($link->status & XMLSITEMAP_LINK_DISABLED) != XMLSITEMAP_LINK_DISABLED) {
+ fwrite($fp, ' <url>' . "\n");
+ fwrite($fp, ' <loc>'. check_url($link->url) .'</loc>' . "\n");
+ fwrite($fp, ' <lastmod>'. gmdate(DATE_W3C, $link->changed) .'</lastmod>' . "\n");
+ fwrite($fp, ' <changefreq>'. xmlsitemap_sitemap_frequency($link->changefreq) .'</changefreq>' . "\n");
+ fwrite($fp, ' <priority>'. number_format($link->priority, 1) .'</priority>' . "\n");
+ fwrite($fp, ' </url>' . "\n");
+ }
+ }
+ fwrite($fp, '</urlset>');
+}
+
+/**
+ * Determine path for a xml stylesheet.
+ *
+ * @return
+ * - The stylesheet path or FALSE.
+ */
+function _xmlsitemap_xsl() {
+ if (variable_get('xmlsitemap_use_stylesheet', FALSE)) {
+ $paths = array(
+ variable_get('xmlsitemap_cache_directory', file_directory_path() . '/xmlsitemap') . '/gss.xsl',
+ drupal_get_path('module', 'xmlsitemap') . '/gss/gss.xsl',
+ );
+ foreach ($paths as $path) {
+ if (file_exists($path)) {
+ return base_path() . $path;
+ }
+ }
+ }
+ return FALSE;
+}
+
+/**
+ * Create the cache files containing the sitemap.
+ *
+ * @return
+ * TRUE if the operation has been successfull, FALSE otherwise.
+ */
+function _xmlsitemap_create_cache_files() {
+ $chunk_size = variable_get('xmlsitemap_chunk_size', 1000);
+ $link_count = xmlsitemap_link_count();
+ $id = xmlsitemap_language_id();
+ $parent_directory = variable_get('xmlsitemap_cache_directory', file_directory_path() .'/xmlsitemap');
+ // If the directory doesn't exist, then create it.
+ if (!file_check_directory($parent_directory, FILE_CREATE_DIRECTORY)) {
+ return TRUE;
+ }
+ if ($link_count > $chunk_size) {
+ if (!$fp = fopen($parent_directory ."/xsm-$id.xml", 'wb')) {
+ watchdog('xmlsitemap', 'Could not create the cache file @file.', array('@file' => $parent_directory ."/xsm-$id.xml"), WATCHDOG_ERROR);
+ return FALSE;
+ }
+ fwrite($fp, '<?xml version="1.0" encoding="UTF-8"?>' . "\n");
+ if ($xsl = _xmlsitemap_xsl()) {
+ fwrite($fp, '<?xml-stylesheet type="text/xsl" href="' . $xsl . '" ?>' . "\n");
+ }
+ fwrite($fp, '<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"' . "\n");
+ fwrite($fp, ' xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"' . "\n");
+ fwrite($fp, ' xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9' . "\n");
+ fwrite($fp, ' http://www.sitemaps.org/schemas/sitemap/0.9/siteindex.xsd">' . "\n");
+ for ($chunk = 0; $chunk < $link_count / $chunk_size; ++$chunk) {
+ fwrite($fp, ' <sitemap>' . "\n");
+ fwrite($fp, ' <loc>'. url("sitemap$chunk.xml", array('absolute' => TRUE)) .'</loc>' . "\n");
+ $from = $chunk * $chunk_size;
+ $changed = db_result(db_query_range("SELECT xsm.changed". xmlsitemap_sitemap_query() ."ORDER BY xsm.priority DESC, xsm.changed DESC", $from, $chunk_size));
+ fwrite($fp, ' <lastmod>'. gmdate(DATE_W3C, $changed) .'</lastmod>' . "\n");
+ fwrite($fp, ' </sitemap>' . "\n");
+ }
+ fwrite($fp, '</sitemapindex>');
+ fclose($fp);
+ // Set standard file permissions for webserver-generated files.
+ @chmod($parent_directory ."/xsm-$id.xml", 0664);
+ for ($chunk = 0; $chunk < $link_count / $chunk_size; ++$chunk) {
+ if (!$fp = fopen($parent_directory ."/xsm-$id-$chunk.xml", 'wb')) {
+ watchdog('xmlsitemap', 'Could not create the cache file @file.', array('@file' => $parent_directory ."/xsm-$id-$chunk.xml"), WATCHDOG_ERROR);
+ return FALSE;
+ }
+ _xmlsitemap_create_cache_chunk($fp, $chunk_size, $chunk);
+ fclose($fp);
+ // Set standard file permissions for webserver-generated files.
+ @chmod($parent_directory ."/xsm-$id-$chunk.xml", 0664);
+ }
+ }
+ else {
+ if (!$fp = fopen($parent_directory ."/xsm-$id.xml", 'wb')) {
+ watchdog('xmlsitemap', 'Could not create the cache file @file.', array('@file' => $parent_directory ."/xsm-$id.xml"), WATCHDOG_ERROR);
+ return FALSE;
+ }
+ _xmlsitemap_create_cache_chunk($fp, $chunk_size);
+ fclose($fp);
+ // Set standard file permissions for webserver-generated files.
+ @chmod($parent_directory ."/xsm-$id.xml", 0664);
+ }
+ return TRUE;
+}
+
+/**
+ * @} End of "addtogroup xmlsitemap".
+ */
+