home/xdxuekl/www/wp-includes/https-detection.php000064400000013341151724720620016075 0ustar00errors; } $support_errors = new WP_Error(); $response = wp_remote_request( home_url( '/', 'https' ), array( 'headers' => array( 'Cache-Control' => 'no-cache', ), 'sslverify' => true, ) ); if ( is_wp_error( $response ) ) { $unverified_response = wp_remote_request( home_url( '/', 'https' ), array( 'headers' => array( 'Cache-Control' => 'no-cache', ), 'sslverify' => false, ) ); if ( is_wp_error( $unverified_response ) ) { $support_errors->add( 'https_request_failed', __( 'HTTPS request failed.' ) ); } else { $support_errors->add( 'ssl_verification_failed', __( 'SSL verification failed.' ) ); } $response = $unverified_response; } if ( ! is_wp_error( $response ) ) { if ( 200 !== wp_remote_retrieve_response_code( $response ) ) { $support_errors->add( 'bad_response_code', wp_remote_retrieve_response_message( $response ) ); } elseif ( false === wp_is_local_html_output( wp_remote_retrieve_body( $response ) ) ) { $support_errors->add( 'bad_response_source', __( 'It looks like the response did not come from this site.' ) ); } } return $support_errors->errors; } /** * Checks whether a given HTML string is likely an output from this WordPress site. * * This function attempts to check for various common WordPress patterns whether they are included in the HTML string. * Since any of these actions may be disabled through third-party code, this function may also return null to indicate * that it was not possible to determine ownership. * * @since 5.7.0 * @access private * * @param string $html Full HTML output string, e.g. from a HTTP response. * @return bool|null True/false for whether HTML was generated by this site, null if unable to determine. */ function wp_is_local_html_output( $html ) { // 1. Check if HTML includes the site's Really Simple Discovery link. if ( has_action( 'wp_head', 'rsd_link' ) ) { $pattern = preg_replace( '#^https?:(?=//)#', '', esc_url( site_url( 'xmlrpc.php?rsd', 'rpc' ) ) ); // See rsd_link(). return str_contains( $html, $pattern ); } // 2. Check if HTML includes the site's REST API link. if ( has_action( 'wp_head', 'rest_output_link_wp_head' ) ) { // Try both HTTPS and HTTP since the URL depends on context. $pattern = preg_replace( '#^https?:(?=//)#', '', esc_url( get_rest_url() ) ); // See rest_output_link_wp_head(). return str_contains( $html, $pattern ); } // Otherwise the result cannot be determined. return null; }