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import scapy.all as scapy 
import requests 
import json 
import time 
import os.path
import socket

WEBHOOK_URL = "https://your-webhook-url.com"
JSON_FILE = "devices.json"

def get_mac(ip):
    arp_request = scapy.ARP(pdst=ip)
    broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff")
    arp_request_broadcast = broadcast/arp_request
    answered_list = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0]         
    return answered_list[0][1].hwsrc if answered_list else None

def get_device_name(ip):
    try:
        hostname = socket.gethostbyaddr(ip)[0]
    except socket.herror:
        hostname = ""
    return hostname

def scan_network():
    devices = []

    ip_range = "192.168.1.0/24"  # Replace with your network IP range

    arp_request = scapy.ARP(pdst=ip_range)
    broadcast = scapy.Ether(dst="ff:ff:ff:ff:ff:ff")
    arp_request_broadcast = broadcast/arp_request
    answered_list = scapy.srp(arp_request_broadcast, timeout=1, verbose=False)[0]

    for item in answered_list:
        mac_address = item[1].hwsrc
        ip_address = item[1].psrc
        device_name = get_device_name(ip_address)
        device = {"ip": ip_address, "mac": mac_address, "name": device_name, "status": "online"}
        devices.append(device)

    return devices

def send_webhook(devices):
    data = {"devices": devices}
    headers = {'Content-type': 'application/json'}

    response = requests.post(WEBHOOK_URL, data=json.dumps(data), headers=headers)

    if response.status_code == 200:
        print("Webhook sent successfully!")
    else:
        print(f"Failed to send webhook. Status code: {response.status_code}")

def save_devices(devices):
    with open(JSON_FILE, 'w') as f:
        json.dump(devices, f)

def load_devices():
    devices = []
    if os.path.isfile(JSON_FILE):
        with open(JSON_FILE, 'r') as f:
            try:
                devices = json.load(f)
            except json.JSONDecodeError:
                print(f"JSON file '{JSON_FILE}' is corrupt or empty.")
    return devices

def run():
    while True:
        devices = scan_network()
        devices += load_devices()
        send_webhook(devices)
        save_devices(devices)
        time.sleep(5)

run()