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<?php
namespace WPForms\Pro;
/**
* Class Robots handles robots.txt related code.
*
* @since 1.7.0
*/
class Robots {
/**
* Hooks.
*
* @since 1.7.0
*/
public function hooks() {
add_filter( 'robots_txt', [ $this, 'disallow_upload_dir_indexing' ], -42 );
}
/**
* Disallow WPForms upload directory indexing in robots.txt.
*
* @since 1.7.0
*
* @param string $output Robots.txt output.
*
* @return string
*/
public function disallow_upload_dir_indexing( $output ) {
$upload_dir = wpforms_upload_dir();
if ( ! empty( $upload_dir['error'] ) ) {
return $output;
}
$site_url = site_url();
$upload_root = str_replace( $site_url, '', $upload_dir['url'] );
$upload_root = trailingslashit( $upload_root );
$site_url_parts = wp_parse_url( $site_url );
if ( ! empty( $site_url_parts['path'] ) ) {
$upload_root = $site_url_parts['path'] . $upload_root;
}
/**
* By default, Allow/Disallow rules should be appended on the `robots_txt` filter to WordPress's default rules.
* However, some customers were reporting that the default rules were not present in the output.
* In this case, we need to add a User-agent rule manually to make robots.txt valid.
*/
if ( strpos( $output, 'User-agent:' ) === false ) {
$output .= "User-agent: *\n";
}
$output .= "Disallow: $upload_root\n";
return $output;
}
}