/**
* Decrypt a received {@link org.whispersystems.textsecure.api.messages.TextSecureEnvelope}
*
* @param envelope The received TextSecureEnvelope
* @return a decrypted TextSecureMessage
* @throws InvalidVersionException
* @throws InvalidMessageException
* @throws InvalidKeyException
* @throws DuplicateMessageException
* @throws InvalidKeyIdException
* @throws UntrustedIdentityException
* @throws LegacyMessageException
* @throws NoSessionException
*/
public TextSecureContent decrypt(TextSecureEnvelope envelope)
{
try
{
TextSecureContent content = new TextSecureContent();
if (envelope.hasLegacyMessage())
{
DataMessage message = DataMessage.ParseFrom(decrypt(envelope, envelope.getLegacyMessage()));
content = new TextSecureContent(createTextSecureMessage(envelope, message));
}
else if (envelope.hasContent())
{
Content message = Content.ParseFrom(decrypt(envelope, envelope.getContent()));
if (message.HasDataMessage)
{
content = new TextSecureContent(createTextSecureMessage(envelope, message.DataMessage));
}
else if (message.HasSyncMessage && localAddress.getNumber().Equals(envelope.getSource()))
{
content = new TextSecureContent(createSynchronizeMessage(envelope, message.SyncMessage));
}
}
return(content);
}
catch (InvalidProtocolBufferException e)
{
throw new InvalidMessageException(e);
}
}
public long Insert(TextSecureEnvelope envelope)
{
// TODO check if exists
var push = new Push()
{
Type = envelope.getType(),
Source = envelope.getSource(),
DeviceId = envelope.getSourceDevice(),
LegacyMessage = envelope.hasLegacyMessage() ? Base64.encodeBytes(envelope.getLegacyMessage()) : "",
Content = envelope.hasContent() ? Base64.encodeBytes(envelope.getContent()) : "",
Timestamp = TimeUtil.GetDateTime(envelope.getTimestamp())
};
try
{
conn.Insert(push);
} catch (Exception e) { Debug.WriteLine(e.Message); }
return(push.PushId);
}