public async Task <string> DecryptAsync(string orgId = null, SymmetricCryptoKey key = null)
{
if (_decryptedValue != null)
{
return(_decryptedValue);
}
var cryptoService = ServiceContainer.Resolve <ICryptoService>("cryptoService");
try
{
if (key == null)
{
key = await cryptoService.GetOrgKeyAsync(orgId);
}
_decryptedValue = await cryptoService.DecryptToUtf8Async(this, key);
}
catch
{
_decryptedValue = "[error: cannot decrypt]";
}
return(_decryptedValue);
}
protected async Task <V> DecryptObjAsync <V, D>(V viewModel, D domain, HashSet <string> map, string orgId, SymmetricCryptoKey key = null)
where V : View.View
{
var viewModelType = viewModel.GetType();
var domainType = domain.GetType();
async Task decCsAndSetDec(string propName)
{
var domainPropInfo = domainType.GetProperty(propName);
string val = null;
if (domainPropInfo.GetValue(domain) is CipherString domainProp)
{
val = await domainProp.DecryptAsync(orgId, key);
}
var viewModelPropInfo = viewModelType.GetProperty(propName);
viewModelPropInfo.SetValue(viewModel, val, null);
};
var tasks = new List <Task>();
foreach (var prop in map)
{
tasks.Add(decCsAndSetDec(prop));
}
await Task.WhenAll(tasks);
return(viewModel);
}
public Task <SendFileView> DecryptAsync(SymmetricCryptoKey key) =>
DecryptObjAsync(new SendFileView(this), this, new HashSet <string> {
"FileName"
}, null, key);