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<?php
/**
* The functions in this class provide an API for handling
* sitemap related URIs.
*
* @package Jetpack
* @since 4.8.0
* @author Automattic
*/
/**
* The Jetpack_Sitemap_Finder object deals with constructing
* sitemap URIs.
*
* @since 4.8.0
*/
class Jetpack_Sitemap_Finder {
/**
* Construct the complete URL of a sitemap file. Depends on
* permalink settings.
*
* @access public
* @since 4.8.0
* @since 4.8.1 Call jetpack_sitemap_uri()
*
* @param string $filename The filename of the sitemap.
*
* @return string Complete URI of the given sitemap file.
*/
public function construct_sitemap_url( $filename ) {
$url = jetpack_sitemap_uri( $filename );
if ( pathinfo( $filename, PATHINFO_EXTENSION ) === 'xsl' ) {
// strip scheme for sites where sitemap could be access via http or https
$url = preg_replace( '/^https?:/', '', $url );
}
return $url;
}
/**
* Path and query prefix of sitemap files. Depends on permalink
* settings.
*
* @access public
* @since 4.8.0
*
* @return string The path+query prefix.
*/
public function the_jetpack_sitemap_path_and_query_prefix() {
global $wp_rewrite;
// Get path fragment from home_url().
$home = wp_parse_url( home_url() );
if ( isset( $home['path'] ) ) {
$home_path = $home['path'];
} else {
$home_path = '';
}
// Get additional path fragment from filter.
$location = Jetpack_Options::get_option_and_ensure_autoload(
'jetpack_sitemap_location',
''
);
if ( $wp_rewrite->using_index_permalinks() ) {
return $home_path . '/index.php' . $location . '/';
} elseif ( $wp_rewrite->using_permalinks() ) {
return $home_path . $location . '/';
} else {
return $home_path . $location . '/?jetpack-sitemap=';
}
}
/**
* Examine a path+query URI fragment looking for a sitemap request.
*
* @access public
* @since 4.8.0
*
* @param string $raw_uri A URI (path+query only) to test for sitemap-ness.
*
* @return array @args {
* @type string $sitemap_name The recognized sitemap name (or null).
* }
*/
public function recognize_sitemap_uri( $raw_uri ) {
// The path+query where sitemaps are served.
$sitemap_path = $this->the_jetpack_sitemap_path_and_query_prefix();
// A regex which detects $sitemap_path at the beginning of a string.
$path_regex = '/^' . preg_quote( $sitemap_path, '/' ) . '/';
// Check that the request URI begins with the sitemap path.
if ( preg_match( $path_regex, $raw_uri ) ) {
// Strip off the $sitemap_path and any trailing slash.
$stripped_uri = preg_replace( $path_regex, '', rtrim( $raw_uri, '/' ) );
} else {
$stripped_uri = '';
}
// Check that the stripped uri begins with one of the sitemap prefixes.
if ( preg_match( '/^sitemap|^image-s|^news-s|^video-s/', $stripped_uri ) ) {
$filename = $stripped_uri;
} else {
$filename = null;
}
return array(
'sitemap_name' => $filename,
);
}
}
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