<?php

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/**

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* Generate reports of various system variables and configs, useful for debugging.

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* This only available to administrators.

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*

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* @package Themify

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*/

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class Themify_System_Status {

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public static function init() {

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add_action( 'admin_menu', array( __CLASS__, 'admin_menu' ) );

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}

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public static function admin_menu() {

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$parent = is_plugin_active( 'themify-builder/themify-builder.php' ) ? 'themify-builder' : 'themify';

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add_submenu_page ( $parent, __( 'System Status', 'themify' ), __( 'System Status', 'themify' ), 'manage_options', 'tf-status', array( __CLASS__, 'admin' ) );

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}

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public static function admin() {

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global $wpdb;

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$server_info = isset( $_SERVER['SERVER_SOFTWARE'] ) ? self::sanitize_deep( wp_unslash( $_SERVER['SERVER_SOFTWARE'] ) ) : '';

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$r=false;

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foreach(array('/etc/lsb-release','/etc/os-release','/etc/redhat-release') as $dist){

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if(@is_readable($dist)){

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$r=@parse_ini_file($dist);

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break;

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}

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}

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$tables=array(

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$wpdb->posts,

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$wpdb->postmeta,

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$wpdb->options,

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$wpdb->terms,

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$wpdb->term_taxonomy,

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$wpdb->term_relationships

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);

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?>

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<div class="wrap">

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<h1><?php _e( 'System Status', 'themify' ); ?></h1>

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<table class="tf_status_table widefat" cellspacing="0">

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<thead>

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<tr>

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<td colspan="3"><h2><?php esc_html_e( 'Server environment', 'themify' ); ?></h2></td>

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</tr>

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</thead>

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<tbody>

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<tr>

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<th scope="row"><?php esc_html_e( 'OS', 'themify' ); ?>:</th>

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<td>

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<?php

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if ( is_array( $r ) && ( isset( $r['PRETTY_NAME'] ) || isset( $r['NAME'] ) ) ) {

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if ( isset( $r['PRETTY_NAME'] ) ) {

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echo $r['PRETTY_NAME'];

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} else {

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echo $r['NAME'];

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}

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} elseif ( function_exists( 'php_uname' ) ) {

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echo php_uname('s');

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} else {

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echo '<span class="dashicons dashicons-warning"></span>', __( 'Cannot be determined.', 'themify' );

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Server info', 'themify' ); ?>:</th>

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<td>

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<?php echo esc_html( $server_info ); ?>

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<br>

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<strong><?php esc_html_e( 'Server IP', 'themify' ); ?></strong>: <?php echo $_SERVER['SERVER_ADDR']; ?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'PHP version', 'themify' ); ?>:</th>

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<td>

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<?php

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echo phpversion();

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if ( version_compare( phpversion(), '7.2', '<' ) ) {

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echo '<span class="dashicons dashicons-warning"></span> ' . __( 'We recommend using PHP version 7.2 or above for greater performance and security. Please contact your web hosting provider.', 'themify' );

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'WordPress Version', 'themify' ); ?>:</th>

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<td>

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<?php

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global $wp_version;

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echo $wp_version;

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Database', 'themify' ); ?>:</th>

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<td><?php echo $wpdb->db_server_info(); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Debug Mode', 'themify' ); ?>:</th>

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<td><?php echo ( defined( 'WP_DEBUG' ) && WP_DEBUG ) ? __( 'Enabled', 'themify' ) : __( 'Disabled', 'themify' ); ?></td>

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</tr>

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<?php if ( function_exists( 'ini_get' ) ) : ?>

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<tr>

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<th scope="row"><?php esc_html_e( 'PHP post max size', 'themify' ); ?>:</th>

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<td><?php echo esc_html( size_format( wp_convert_hr_to_bytes( ini_get( 'post_max_size' ) ) ) ); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'PHP time limit', 'themify' ); ?>:</th>

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<td><?php echo esc_html( (int) ini_get( 'max_execution_time' ) ); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'PHP memory limit', 'themify' ); ?>:</th>

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<td>

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<strong>WP_MEMORY_LIMIT</strong>: <?php echo esc_html( size_format( wp_convert_hr_to_bytes( WP_MEMORY_LIMIT ) ) ); ?><br>

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<strong><?php _e( 'PHP Memory Limit', 'themify' ); ?></strong>: <?php echo esc_html( size_format( wp_convert_hr_to_bytes( ini_get( 'memory_limit' ) ) ) ); ?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'PHP max input vars', 'themify' ); ?>:</th>

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<td><?php echo esc_html( (int) ini_get( 'max_input_vars' ) ); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'cURL version', 'themify' ); ?>:</th>

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<td><?php echo esc_html( self::get_curl_version() ); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'SUHOSIN installed', 'themify' ); ?>:</th>

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<td><?php echo extension_loaded( 'suhosin' ) ? '<span class="dashicons dashicons-yes"></span>' : '&ndash;'; ?></td>

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</tr>

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<?php endif; ?>

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<tr>

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<th scope="row"><?php esc_html_e( 'Max upload size', 'themify' ); ?>:</th>

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<td><?php echo esc_html( size_format( wp_max_upload_size() ) ); ?></td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'fsockopen/cURL', 'themify' ); ?>:</th>

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<td>

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<?php

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if ( function_exists( 'fsockopen' ) || function_exists( 'curl_init' ) ) {

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echo '<span class="dashicons dashicons-yes"></span>';

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} else {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . esc_html__( 'Your server does not have fsockopen or cURL enabled - some features that require connecting to external web services may not work. Contact your hosting provider.', 'themify' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Custom Tables Allowed', 'themify' ); ?>:</th>

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<td>

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<?php

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if ( Themify_Storage::init()!==false ) {

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echo '<span class="dashicons dashicons-yes"></span>';

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} else {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . esc_html__( 'Your server does not have have permissions to create custom tables in DB', 'themify' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'GZip', 'themify' ); ?>:</th>

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<td>

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<?php

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$gzip = TFCache::get_available_gzip();

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if ( false !== $gzip ) {

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$gzip = current( $gzip );

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echo '<span class="dashicons dashicons-yes"></span> ' . $gzip['f'];

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} else {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . sprintf( __( '<a href="%s">GZIP</a> is recommended for better performance.', 'themify' ), 'https://php.net/manual/en/zlib.installation.php' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Multibyte string', 'themify' ); ?>:</th>

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<td>

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<?php

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if ( extension_loaded( 'mbstring' ) ) {

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echo '<span class="dashicons dashicons-yes"></span>';

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} else {

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/* Translators: %s: classname and link. */

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . sprintf( esc_html__( 'Your server does not support the %s functions - this is required for better character encoding. Some fallbacks will be used instead for it.', 'themify' ), '<a href="https://php.net/manual/en/mbstring.installation.php">mbstring</a>' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Uploads folder', 'themify' ); ?>:</th>

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<td>

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<?php

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$dir = themify_upload_dir();

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echo '<p><strong>' . __( 'Base Dir ', 'themify' ) . '</strong>: ' . $dir['basedir'] . '<br>' . '<strong>' . __( 'Base URL ', 'themify' ) . '</strong>: ' . $dir['baseurl'] . '</p>';

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if ( strpos( $dir['baseurl'], 'http' ) === false ) {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . esc_html__( 'Protocol missing from URL, this can cause missing assets on frontend.', 'themify' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Concate CSS folder', 'themify' ); ?>:</th>

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<td>

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<?php

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$dir = Themify_Enqueue_Assets::getCurrentVersionFolder();

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echo $dir . ' - ';

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if ( Themify_Filesystem::is_writable( $dir ) ) {

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echo '<span class="dashicons dashicons-yes"></span>';

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} else {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . esc_html__( 'Uploads folder is not writeable, your CSS may not display correctly.', 'themify' ) . '</mark>';

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Image Processing Library', 'themify' ); ?>:</th>

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<td>

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<?php

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$image_editor = _wp_image_editor_choose();

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if ( empty( $image_editor ) ) {

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . esc_html__( 'No image processing library found. Please contact your web hosting to enable this.', 'themify' ) . '</mark>';

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} else {

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echo '<span class="dashicons dashicons-yes"></span>' . $image_editor;

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}

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?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Mysql version', 'themify' ); ?>:</th>

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<td>

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<?php echo $wpdb->db_version();?>

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</td>

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</tr>

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<tr>

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<th scope="row"><?php esc_html_e( 'Storage engine', 'themify' ); ?>:</th>

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<td>

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<table>

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<?php foreach($tables as $t):?>

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<tr>

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<th scope="row"><?php echo $t?></th>

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<td>

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<?php $engine=$wpdb->get_row( $wpdb->prepare( "SHOW TABLE STATUS WHERE Name = '%s'", $t ));

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echo $engine->Engine;

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if($engine->Engine==='InnoDB'){

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echo '<span class="dashicons dashicons-yes"></span>';

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}

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else{

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echo '<mark class="error"><span class="dashicons dashicons-warning"></span> ' . sprintf( __( 'Please consider using <a href="%s" target="_blank">InnoDB engine</a> which offers a lot of advantages and keeps your data safe. You can contact your web hosting to upgrade this for you.', 'themify' ), 'https://core.trac.wordpress.org/ticket/9422' ) . '</mark>';

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}

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?></td>

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</tr>

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<?php endforeach;?>

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</table>

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</td>

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</tr>

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</tbody>

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</table>

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</div>

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<?php

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}

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public static function get_curl_version() {

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$curl_version = '';

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if ( function_exists( 'curl_version' ) ) {

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$curl_version = curl_version();

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$curl_version = $curl_version['version'] . ', ' . $curl_version['ssl_version'];

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} elseif ( extension_loaded( 'curl' ) ) {

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$curl_version = __( 'cURL installed but unable to retrieve version.', 'themify' );

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}

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return $curl_version;

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}

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/**

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* Applies sanitize_ function on multidimensional array

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*

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* @return mixed

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*/

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public static function sanitize_deep( $value ) {

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if ( is_array( $value ) ) {

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return array_map( 'wc_clean', $value );

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} else {

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return is_scalar( $value ) ? sanitize_text_field( $value ) : $value;

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}

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}

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}

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Themify_System_Status::init();

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