func (d *Daemon) sendMessage(msg []byte, theirDename string, msgRatch *ratchet.Ratchet) error {
profile := new(dename.Profile)
err := persistence.UnmarshalFromFile(d.profilePath(theirDename), profile)
if err != nil {
return err
}
chatProfileBytes, err := client.GetProfileField(profile, util.PROFILE_FIELD_ID)
if err != nil {
return err
}
chatProfile := new(proto.Profile)
if err := chatProfile.Unmarshal(chatProfileBytes); err != nil {
return err
}
addr := chatProfile.ServerAddressTCP
port := (int)(chatProfile.ServerPortTCP)
pkTransport := (*[32]byte)(&chatProfile.ServerTransportPK)
theirPk := (*[32]byte)(&chatProfile.UserIDAtServer)
if err != nil {
return err
}
theirInBuf := make([]byte, proto.SERVER_MESSAGE_SIZE)
encMsg, ratch, err := util.EncryptAuth(msg, msgRatch)
if err != nil {
return err
}
theirConn, err := d.cc.DialServer(theirDename, addr, port, pkTransport, nil, nil)
if err != nil {
return err
}
if err := StoreRatchet(d, theirDename, ratch); err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
err = util.UploadMessageToUser(theirConn, theirInBuf, theirPk, encMsg)
if err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
d.cc.Put(theirDename, theirConn)
return nil
}
func (d *Daemon) sendFirstMessage(msg []byte, theirDename string) error {
profile, err := d.foreignDenameClient.Lookup(theirDename)
if err != nil {
return err
}
if profile == nil {
fmt.Errorf("unkown dename on to line: " + theirDename)
}
if err := d.MarshalToFile(d.profilePath(theirDename), profile); err != nil {
return err
}
chatProfileBytes, err := client.GetProfileField(profile, util.PROFILE_FIELD_ID)
if err != nil {
return err
}
chatProfile := new(proto.Profile)
if err := chatProfile.Unmarshal(chatProfileBytes); err != nil {
return err
}
addr := chatProfile.ServerAddressTCP
pkSig := (*[32]byte)(&chatProfile.KeySigningKey)
port := (int)(chatProfile.ServerPortTCP)
pkTransport := (*[32]byte)(&chatProfile.ServerTransportPK)
theirPk := (*[32]byte)(&chatProfile.UserIDAtServer)
ourSkAuth := (*[32]byte)(&d.MessageAuthSecretKey)
theirConn, err := d.cc.DialServer(theirDename, addr, port, pkTransport, nil, nil)
if err != nil {
return err
}
theirInBuf := make([]byte, proto.SERVER_MESSAGE_SIZE)
theirKey, err := util.GetKey(theirConn, theirInBuf, theirPk, theirDename, pkSig)
if err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
encMsg, ratch, err := util.EncryptAuthFirst(msg, ourSkAuth, theirKey, d.ProfileRatchet)
if err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
if err := StoreRatchet(d, theirDename, ratch); err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
err = util.UploadMessageToUser(theirConn, theirInBuf, theirPk, encMsg)
if err != nil {
theirConn.Close()
d.cc.PutClose(theirDename)
return err
}
d.cc.Put(theirDename, theirConn)
return nil
}