This commit is contained in:
qowevisa 2024-06-12 22:30:19 +03:00
parent 17f63673a7
commit 0e2657afbb

View File

@ -71,6 +71,7 @@ func main() {
var r com.RegisteredUser
var tmpLink *com.Link
var tmpNick string
func readFromServer(conn net.Conn, ws *websocket.Conn) {
buf := make([]byte, 70000)
@ -95,6 +96,9 @@ func readFromServer(conn net.Conn, ws *websocket.Conn) {
msg.FromID = newID
msg.Data = []byte{}
r.ID = newID
if tmpNick != "" {
r.Name = tmpNick
}
r.IsRegistered = true
break
case com.ID_SERVER_APPROVE_CLIENT_LINK:
@ -103,6 +107,49 @@ func readFromServer(conn net.Conn, ws *websocket.Conn) {
}
msg.ToID = tmpLink.UseCount
msg.Data = tmpLink.Data
// Crypto stuff
case com.ID_CLIENT_SEND_CLIENT_ECDH_PUBKEY:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
err = t.ECDHApplyOtherKeyBytes(msg.Data)
if err != nil {
log.Printf("ERROR: tlep: ECDHApplyOtherKeyBytes: %v\n", err)
continue
}
msg.Data = []byte{}
case com.ID_CLIENT_SEND_CLIENT_CBES_SPECS:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
cbes, err := t.DecryptMessageEA(msg.Data)
if err != nil {
log.Printf("ERROR: tlep: DecryptMessageEA: %v\n", err)
continue
}
err = t.CBESSetFromBytes(cbes)
if err != nil {
log.Printf("ERROR: tlep: CBESSetFromBytes: %v\n", err)
continue
}
// message
case com.ID_CLIENT_SEND_CLIENT_MESSAGE:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
decrypedMsg, err := t.DecryptMessageAtMax(msg.Data)
if err != nil {
log.Printf("ERROR: tlep: DecryptMessageAtMax: %v\n", err)
continue
}
msg.Data = decrypedMsg
// switch
}
log.Printf("client: readServer: sending message to websocket: %v", *msg)
ws.WriteJSON(*msg)
@ -120,6 +167,8 @@ func readFromWebSocket(conn net.Conn, ws *websocket.Conn) {
log.Printf("client: readWS: received message from Electron: %v", msg)
msg.Version = com.V1
switch msg.ID {
case com.ID_CLIENT_SEND_SERVER_NICKNAME:
tmpNick = string(msg.Data)
case com.ID_CLIENT_SEND_SERVER_LINK:
if !r.IsRegistered {
continue
@ -152,6 +201,63 @@ func readFromWebSocket(conn net.Conn, ws *websocket.Conn) {
msg.FromID = r.ID
// switch
}
// Crypto stuff
switch msg.ID {
case com.ID_CLIENT_ASK_CLIENT_HANDSHAKE,
com.ID_CLIENT_APPROVE_CLIENT_HANDSHAKE:
err := tlepCenter.AddUser(msg.ToID, fmt.Sprintf("%s-%d", r.Name, msg.ToID))
if err != nil {
log.Printf("ERROR: tlepCenter.AddUser: %v\n", err)
}
case com.ID_CLIENT_SEND_CLIENT_ECDH_PUBKEY:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
key, err := t.ECDHGetPublicKey()
if err != nil {
log.Printf("ERROR: tlep: ECDHGetPublicKey: %v\n", err)
continue
}
msg.Data = key
case com.ID_CLIENT_SEND_CLIENT_CBES_SPECS:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
err = t.CBESInitRandom()
if err != nil {
log.Printf("ERROR: tlep: CBESInitRandom: %v\n", err)
continue
}
cbes, err := t.CBESGetBytes()
if err != nil {
log.Printf("ERROR: tlep: ECDHGetPublicKey: %v\n", err)
continue
}
cbesEAEncr, err := t.EncryptMessageEA(cbes)
if err != nil {
log.Printf("ERROR: tlep: EncryptMessageEA: %v\n", err)
continue
}
msg.Data = cbesEAEncr
// message
case com.ID_CLIENT_SEND_CLIENT_MESSAGE:
t, err := tlepCenter.GetTLEP(msg.ToID)
if err != nil {
log.Printf("ERROR: tlep: GetTLEP: %v\n", err)
continue
}
encrypedMsg, err := t.EncryptMessageAtMax(msg.Data)
if err != nil {
log.Printf("ERROR: tlep: EncryptMessageAtMax: %v\n", err)
continue
}
msg.Data = encrypedMsg
// switch
}
encodedMsg, err := msg.Bytes()
if err != nil {
log.Printf("Encoding error: %s", err)