public async Task SaveAsync(Account account, string serviceId, Uri uri)
{
if (account == null)
{
throw new ArgumentNullException(nameof(account));
}
if (account.Username?.Length == 0)
{
throw new ArgumentOutOfRangeException(nameof(account), "Username cannot be empty");
}
if (serviceId?.Length == 0)
{
throw new ArgumentNullException(nameof(serviceId));
}
byte[] data = Encoding.UTF8.GetBytes(uri == null ? account.Serialize() : account.Serialize(uri));
byte[] prot = (await DataProtectionExtensions.ProtectAsync(data.AsBuffer()).ConfigureAwait(false)).ToArray();
var path = GetAccountPath(account, serviceId);
var localFolder = ApplicationData.Current.LocalFolder;
var file = await localFolder.CreateFileAsync(path, CreationCollisionOption.OpenIfExists).AsTask().ConfigureAwait(false);
using (var stream = await file.OpenStreamForWriteAsync().ConfigureAwait(false))
using (var writer = new BinaryWriter(stream))
{
writer.Write((Int32)prot.Length);
writer.Write(prot);
}
}
public override async Task SaveAsync(Account account, string serviceId)
{
byte[] data = Encoding.UTF8.GetBytes(account.Serialize());
byte[] prot = (await DataProtectionExtensions.ProtectAsync(data.AsBuffer()).ConfigureAwait(false)).ToArray();
var path = GetAccountPath(account, serviceId);
var localFolder = ApplicationData.Current.LocalFolder;
var file = await localFolder.CreateFileAsync(path, CreationCollisionOption.OpenIfExists).AsTask().ConfigureAwait(false);
using (var stream = await file.OpenStreamForWriteAsync().ConfigureAwait(false))
using (var writer = new BinaryWriter(stream))
{
writer.Write((Int32)prot.Length);
writer.Write(prot);
}
}