async Task <MdContainer> LoadDbContainer()
{
var appContainerInfo = await _dataOps.Session.AccessContainer.GetMDataInfoAsync(APP_CONTAINER_PATH);
var mdKeyCipherBytes = await _dataOps.Session.MDataInfoActions.EncryptEntryKeyAsync(appContainerInfo, MD_CONTAINER_KEY_BYTES);
var cipherTxtEntryVal = await _dataOps.Session.MData.GetValueAsync(appContainerInfo, mdKeyCipherBytes);
var plainTxtEntryVal = await _dataOps.Session.MDataInfoActions.DecryptAsync(appContainerInfo, cipherTxtEntryVal.Item1);
var mdContainerJson = plainTxtEntryVal.ToUtfString();
var locator = mdContainerJson.Parse <MdLocator>();
var dataTreeFactory = new Factories.DataTreeFactory(_nodeFactory);
var result = await dataTreeFactory.LocateAsync(locator, (s) => throw new ArgumentOutOfRangeException("Can only add 999k items to this collection."));
_mdContainerSource = result.Value; // makes sense to check for HasValue?
var value = await _mdContainerSource.GetValueAsync();
if (value.HasValue)
{
return(value.Value.Parse <MdContainer>());
}
return(new MdContainer());
}
public async Task InitializeManager()
{
if (!await ExistsManagerAsync())
{
// Create new md head container
_mdContainer = new MdContainer();
var mdContainerRoot = await GetNewMdNodeAsync();
var f = new Factories.DataTreeFactory(_nodeFactory);
_mdContainerSource = await f.CreateAsync((s) => throw new ArgumentOutOfRangeException("Can only add 999k items to this collection.")); // no expansion func, means we can only create 999 databases with this account.
var serializedDbContainer = _mdContainerSource.MdLocator.Json();
// Insert a serialized mdContainer into App Container
var appContainer = await _dataOps.Session.AccessContainer.GetMDataInfoAsync(APP_CONTAINER_PATH);
var dbIdCipherBytes = await _dataOps.Session.MDataInfoActions.EncryptEntryKeyAsync(appContainer, MD_CONTAINER_KEY_BYTES);
var dbCipherBytes = await _dataOps.Session.MDataInfoActions.EncryptEntryValueAsync(appContainer, serializedDbContainer.ToUtfBytes());
using (var appContEntryActionsH = await _dataOps.Session.MDataEntryActions.NewAsync())
{
await _dataOps.Session.MDataEntryActions.InsertAsync(appContEntryActionsH, dbIdCipherBytes, dbCipherBytes);
await _dataOps.Session.MData.MutateEntriesAsync(appContainer, appContEntryActionsH); // <---------------------------------------------- Commit ------------------------
}
// Set Permissions
var version = await _dataOps.Session.MData.GetVersionAsync(appContainer);
foreach (var pair in _permissions.AppContainerPermissions)
{
var userSignKeyH = await _dataOps.Session.Crypto.SignPubKeyNewAsync(pair.Key);
await _dataOps.Session.MData.SetUserPermissionsAsync(appContainer, userSignKeyH, pair.Value, ++version);
}
}
else
{
_mdContainer = await LoadDbContainer();
}
}
