public static async Task <byte[]> ExtractUserDataFile(string sourcePath, string destinationPath, byte[] key,
byte[] iv)
{
NDirectory.CreateMissingDirs(destinationPath);
await using var src = new FileStream(sourcePath, FileMode.Open, FileAccess.Read);
await using var dest = new FileStream(destinationPath, FileMode.Create, FileAccess.Write);
using var decryptor = QuickAesTransform.CreateDecryptor(key, iv);
await using var srcCrypto = new CryptoStream(src, decryptor, CryptoStreamMode.Read);
var hash = await srcCrypto.CopyToCreateHashAsync(dest);
return(hash);
}
public void MoveFile(UserDataFile file, string destination)
{
// TODO: check if destination is a path by ending with a /
var relativePath = NPath.RemoveRelativeParts(destination);
var prevFileName = file.Header.SecuredPlainName.PlainName;
if (PlainNameAlreadyExists(relativePath))
{
FileAlreadyExists();
}
file.Move(relativePath);
if (file.Header.IsUnlocked)
{
var srcPath = Path.Combine(UnlockedFolderPath, prevFileName);
var destPath = Path.Combine(UnlockedFolderPath, file.Header.SecuredPlainName.PlainName);
NDirectory.CreateMissingDirs(destPath);
File.Move(srcPath, destPath);
}
}
