gosmartkeyboard/Streaming.md

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# Streaming keyboard input
We use the Gorilla websocket library to handle the websocket connection. We then use the sendkeys library to stream the keyboard input to the client.
``` go
--- streaming keyboard input
func clientConnected(w http.ResponseWriter, r *http.Request) {
keyboard, err := sendkeys.NewKBWrapWithOptions(sendkeys.Noisy)
if err != nil {
panic(err)
}
c, err := upgrader.Upgrade(w, r, nil)
if err != nil {
log.Print("upgrade:", err)
return
}
defer c.Close()
// get auth token
_, message, err := c.ReadMessage()
if err != nil {
log.Println("read:", err)
return
}
if auth.CheckAuthToken(string(message)) != nil {
log.Println("invalid token")
2023-01-01 21:25:32 +00:00
c.WriteMessage(websocket.TextMessage, []byte("invalid token"))
return
}
c.WriteMessage(websocket.TextMessage, []byte("authenticated"))
for {
time.Sleep(25 * time.Millisecond)
_, message, err := c.ReadMessage()
if err != nil {
log.Println("read:", err)
break
}
log.Printf("recv: %s", message)
message_string := string(message)
err = keyboard.Type(message_string)
if err != nil {
log.Println("type:", err)
break
}
}
}
---