'bi-film',
'image' => 'bi-image',
'audio' => 'bi-music-note-beamed',
'archive' => 'bi-file-zip',
'document' => 'bi-file-text',
'code' => 'bi-code-slash',
'executable' => 'bi-gear',
'other' => 'bi-file-earmark'
];
$video_exts = ['mp4', 'webm', 'ogg', 'mkv', 'avi', 'mov', 'flv', 'wmv'];
$image_exts = ['jpg', 'jpeg', 'png', 'gif', 'webp', 'bmp', 'svg', 'ico'];
$audio_exts = ['mp3', 'wav', 'flac', 'aac', 'ogg', 'wma', 'm4a'];
$archive_exts = ['zip', 'rar', '7z', 'tar', 'gz', 'bz2'];
$doc_exts = ['pdf', 'doc', 'docx', 'xls', 'xlsx', 'ppt', 'pptx', 'txt'];
$code_exts = ['php', 'js', 'css', 'html', 'py', 'java', 'cpp', 'c', 'h'];
$exec_exts = ['exe', 'msi', 'dmg', 'pkg', 'deb', 'rpm'];
if (in_array($ext, $video_exts)) return ['icon' => $icons['video'], 'type' => 'video', 'color' => '#e74c3c'];
if (in_array($ext, $image_exts)) return ['icon' => $icons['image'], 'type' => 'image', 'color' => '#3498db'];
if (in_array($ext, $audio_exts)) return ['icon' => $icons['audio'], 'type' => 'audio', 'color' => '#9b59b6'];
if (in_array($ext, $archive_exts)) return ['icon' => $icons['archive'], 'type' => 'archive', 'color' => '#f39c12'];
if (in_array($ext, $doc_exts)) return ['icon' => $icons['document'], 'type' => 'document', 'color' => '#1abc9c'];
if (in_array($ext, $code_exts)) return ['icon' => $icons['code'], 'type' => 'code', 'color' => '#34495e'];
if (in_array($ext, $exec_exts)) return ['icon' => $icons['executable'], 'type' => 'executable', 'color' => '#e67e22'];
return ['icon' => $icons['other'], 'type' => 'other', 'color' => '#95a5a6'];
}
// 格式化文件大小
function formatSize($size) {
$units = ['B', 'KB', 'MB', 'GB', 'TB'];
$unitIndex = 0;
while ($size >= 1024 && $unitIndex < count($units) - 1) {
$size /= 1024;
$unitIndex++;
}
return round($size, 2) . ' ' . $units[$unitIndex];
}
$current_dir_param = isset($_GET['dir']) ? $_GET['dir'] : '';
$search_query = isset($_GET['search']) ? trim($_GET['search']) : '';
$filter_type = isset($_GET['type']) ? $_GET['type'] : 'all';
$current_path = getValidPath($current_dir_param, $base_dir);
// 处理文件流（下载或预览）
if (isset($_GET['action']) && isset($_GET['file'])) {
$file = getValidPath($_GET['file'], $base_dir);
if ($file && is_file($file)) {
$mime_type = 'application/octet-stream';
if (function_exists('mime_content_type')) {
$mime_type = @mime_content_type($file) ?: $mime_type;
} else {
$ext = strtolower(pathinfo($file, PATHINFO_EXTENSION));
$mimes = [
'jpg' => 'image/jpeg', 'jpeg' => 'image/jpeg', 'png' => 'image/png',
'gif' => 'image/gif', 'webp' => 'image/webp', 'bmp' => 'image/bmp',
'mp4' => 'video/mp4', 'webm' => 'video/webm', 'ogg' => 'video/ogg',
'mkv' => 'video/x-matroska', 'avi' => 'video/x-msvideo', 'mov' => 'video/quicktime',
'mp3' => 'audio/mpeg', 'wav' => 'audio/wav', 'pdf' => 'application/pdf'
];
if (isset($mimes[$ext])) $mime_type = $mimes[$ext];
}
if ($_GET['action'] == 'download') {
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="'.basename($file).'"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
readfile($file);
exit;
} elseif ($_GET['action'] == 'stream') {
$fp = @fopen($file, 'rb');
$size = filesize($file);
$length = $size;
$start = 0;
$end = $size - 1;
header("Content-Type: $mime_type");
header("Accept-Ranges: bytes");
if (isset($_SERVER['HTTP_RANGE'])) {
$c_start = $start;
$c_end = $end;
list(, $range) = explode('=', $_SERVER['HTTP_RANGE'], 2);
if (strpos($range, ',') !== false) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $start-$end/$size");
exit;
}
if ($range == '-') {
$c_start = $size - substr($range, 1);
} else {
$range = explode('-', $range);
$c_start = $range[0];
$c_end = (isset($range[1]) && is_numeric($range[1])) ? $range[1] : $size;
}
$c_end = ($c_end > $end) ? $end : $c_end;
if ($c_start > $c_end || $c_start > $size - 1 || $c_end >= $size) {
header('HTTP/1.1 416 Requested Range Not Satisfiable');
header("Content-Range: bytes $start-$end/$size");
exit;
}
$start = $c_start;
$end = $c_end;
$length = $end - $start + 1;
fseek($fp, $start);
header('HTTP/1.1 206 Partial Content');
}
header("Content-Range: bytes $start-$end/$size");
header("Content-Length: $length");
$buffer = 1024 * 8;
while (!feof($fp) && ($p = ftell($fp)) <= $end) {
if ($p + $buffer > $end) {
$buffer = $end - $p + 1;
}
set_time_limit(0);
echo fread($fp, $buffer);
flush();
}
fclose($fp);
exit;
}
}
}
// 处理批量下载
if (isset($_POST['action']) && $_POST['action'] == 'batch_download' && isset($_POST['files'])) {
$files = json_decode($_POST['files'], true);
if (!empty($files)) {
$zip = new ZipArchive();
$zip_name = 'download_' . time() . '.zip';
$zip_path = sys_get_temp_dir() . '/' . $zip_name;
if ($zip->open($zip_path, ZipArchive::CREATE) === TRUE) {
foreach ($files as $file) {
$file_path = getValidPath($file, $base_dir);
if ($file_path && is_file($file_path)) {
$zip->addFile($file_path, basename($file_path));
}
}
$zip->close();
header('Content-Type: application/zip');
header('Content-Disposition: attachment; filename="' . $zip_name . '"');
header('Content-Length: ' . filesize($zip_path));
readfile($zip_path);
unlink($zip_path);
exit;
}
}
}
// 递归搜索文件
function searchFiles($dir, $query, $base_dir) {
$results = [];
$items = @scandir($dir);
if (!$items) return $results;
foreach ($items as $item) {
if ($item == '.' || $item == '..') continue;
$full_path = $dir . DIRECTORY_SEPARATOR . $item;
$rel_path = ltrim(str_replace($base_dir, '', $full_path), DIRECTORY_SEPARATOR);
$rel_path = str_replace('\\', '/', $rel_path);
if (is_dir($full_path)) {
$results = array_merge($results, searchFiles($full_path, $query, $base_dir));
} else {
if (stripos($item, $query) !== false) {
$ext = getFileExt($item);
$file_info = getFileIcon($ext);
$results[] = [
'name' => $item,
'path' => $rel_path,
'full_path' => $full_path,
'size' => filesize($full_path),
'modified' => filemtime($full_path),
'ext' => $ext,
'type' => $file_info['type'],
'icon' => $file_info['icon'],
'color' => $file_info['color']
];
}
}
}
return $results;
}
// 读取当前目录
$items = @scandir($current_path);
if (!$items) $items = [];
$items = array_diff($items, array('.', '..'));
$folders = [];
$files = [];
$total_size = 0;
foreach ($items as $item) {
$full_path = $current_path . DIRECTORY_SEPARATOR . $item;
$rel_path = ltrim(str_replace($base_dir, '', $full_path), DIRECTORY_SEPARATOR);
$rel_path = str_replace('\\', '/', $rel_path);
if (is_dir($full_path)) {
// 计算文件夹大小
$folder_size = 0;
$folder_files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($full_path));
foreach ($folder_files as $file) {
if ($file->isFile()) {
$folder_size += $file->getSize();
}
}
$folders[] = [
'name' => $item,
'path' => $rel_path,
'size' => $folder_size,
'modified' => filemtime($full_path)
];
} else {
$ext = getFileExt($item);
$file_info = getFileIcon($ext);
// 搜索过滤
if ($search_query && stripos($item, $search_query) === false) continue;
// 类型过滤
if ($filter_type != 'all' && $file_info['type'] != $filter_type) continue;
$file_size = filesize($full_path);
$total_size += $file_size;
$files[] = [
'name' => $item,
'path' => $rel_path,
'full_path' => $full_path,
'size' => $file_size,
'modified' => filemtime($full_path),
'ext' => $ext,
'type' => $file_info['type'],
'icon' => $file_info['icon'],
'color' => $file_info['color']
];
}
}
// 排序
$sort_by = isset($_GET['sort']) ? $_GET['sort'] : 'name';
$sort_order = isset($_GET['order']) ? $_GET['order'] : 'asc';
usort($folders, function($a, $b) use ($sort_by, $sort_order) {
$cmp = strcasecmp($a[$sort_by], $b[$sort_by]);
if ($sort_by == 'size' || $sort_by == 'modified') {
$cmp = $a[$sort_by] - $b[$sort_by];
}
return $sort_order == 'desc' ? -$cmp : $cmp;
});
usort($files, function($a, $b) use ($sort_by, $sort_order) {
$cmp = strcasecmp($a[$sort_by], $b[$sort_by]);
if ($sort_by == 'size' || $sort_by == 'modified') {
$cmp = $a[$sort_by] - $b[$sort_by];
}
return $sort_order == 'desc' ? -$cmp : $cmp;
});
// 统计信息
$stats = [
'total_files' => count($files),
'total_folders' => count($folders),
'total_size' => $total_size
];
// 如果是搜索模式，递归搜索所有文件
$search_results = [];
if ($search_query) {
$search_results = searchFiles($base_dir, $search_query, $base_dir);
$stats['search_results'] = count($search_results);
}
?>
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