private bool ProcessMessageFromDevice(
GetMessages.ResponseParamsMessage messageItem, DeviceToDeviceMessages.Envelope deviceMessage)
{
switch (deviceMessage.Type)
{
case DeviceToDeviceMessages.Types.NewSecret:
return(ProcessMessageNewSecretShare(deviceMessage.Message));
case DeviceToDeviceMessages.Types.RequestEntrySecrets:
return(ProcessMessageRequestEntrySecrets(messageItem, deviceMessage.Message));
case DeviceToDeviceMessages.Types.DeleteSecret:
return(ProcessMessageDeleteSecret(deviceMessage.Message));
default:
return(false);
}
}
private bool ProcessMessageRequestEntrySecrets(
GetMessages.ResponseParamsMessage messageItem, DeviceToDeviceMessages.IMessage message)
{
var messageContents = (DeviceToDeviceMessages.RequestEntrySecrets)message;
var accountSettings = _model.ServerAccountSettings.Query().First();
var entry = _model.Entries.Query().FirstOrDefault(r => r.Identifier == messageContents.EntryIdentifier);
if (entry == null)
{
return(false);
}
var linkedDeviceCryptoKeyId = accountSettings.LinkedDeviceCryptoKeyId;
var linkedDeviceCryptoKey = _model.CryptoKeys.Query().First(r => r.Id == linkedDeviceCryptoKeyId);
var entrySecrets = new Dictionary <string, string>();
foreach (var secretIdentifier in messageContents.SecretIdentifiers)
{
var entrySecretsResult = _model.EntriesSharedSecrets.Query()
.FirstOrDefault(r => r.EntryId == entry.Id && r.SecretIdentifier == secretIdentifier);
if (entrySecretsResult == null)
{
continue;
}
var entrySecretData = _model.EntriesSharedSecretsData.Query().First(r => r.Id == entrySecretsResult.EntrySecretDataId);
entrySecrets.Add(entrySecretsResult.SecretIdentifier, entrySecretData.Secret);
}
if (entrySecrets.Count != messageContents.SecretIdentifiers.Count)
{
// We don't appear to have all the requested secrets.
return(false);
}
var requestConfirmed = _controller.PromptSecretShareRequestSafe();
var apiRequest = new SendLinkedDeviceMessage
{
//LinkIdentifier = link.Identifier,
SecondsValidFor = 30
};
if (!requestConfirmed)
{
var deniedMessage = new DeviceToDeviceMessages.SendEntrySecrets
{
OriginalMessageIdentifier = messageItem.Identifier,
RequestAccepted = false
};
apiRequest.SetMessage(deniedMessage, linkedDeviceCryptoKey.PublicKeyPem);
apiRequest.GetResponse(GetApiClient());
return(true);
}
var acceptedMessage = new DeviceToDeviceMessages.SendEntrySecrets
{
OriginalMessageIdentifier = messageItem.Identifier,
RequestAccepted = true,
Secrets = entrySecrets
};
apiRequest.SetMessage(acceptedMessage, linkedDeviceCryptoKey.PublicKeyPem);
apiRequest.GetResponse(GetApiClient());
return(true);
}
