deleteFile method
Implementation
void deleteFile(String filePath) async {
String fullPath = _getFullPath(filePath);
if (!_isPathAllowed(fullPath)) {
sendResponse('550 Access denied');
return;
}
var file = File(fullPath);
if (await file.exists()) {
await file.delete();
sendResponse('250 File deleted');
} else {
sendResponse('550 File not found');
}
}