code cleanup

admin.py

-from django.contrib import admin
-
-# Register your models here.

apps.py

-from django.apps import AppConfig
-
-
-class SecurityManagementOfflineConfig(AppConfig):
-    default_auto_field = "django.db.models.BigAutoField"
-    name = "security_management_offline"

models.py

-from django.db import models
-
-# Create your models here.

urls.py

-from django.urls import path, re_path
-from . import views
-urlpatterns = [
-    path('', views.login, name='login'),
-    path('login', views.login, name='login'),
-    path('sign_out', views.sign_out, name='sign out'),
-    path('validate_user', views.validate_user, name='validating user'),
-    path('index', views.security_management_offline, name='index'),
-    path('start_sniff', views.start_sniff, name='start sniffing'),
-    path('stop_sniff', views.stop_sniff, name='stop sniffing'),
-    path('refresh', views.refresh, name='refresh'),
-]
\ No newline at end of file

views.py

-import json
-import sniff
-import multiprocessing
-
-
-from security_management.settings import CREDENTIALS
-from utilities.list_interfaces import get_interfaces
-from datetime import datetime, timedelta
-from django.http import HttpResponse
-from django.template import loader
-from django.shortcuts import redirect
-
-
-status = "Offline"
-transfer_status = "not transmitting"
-process = None
-periodic_transfer = None
-
-
-def check_session(request):
-    if 'user' in request.session:
-        return True
-    else:
-        return False
-
-
-def login(request):
-    template = loader.get_template('login.html')
-    return HttpResponse(template.render({}, request))
-
-
-def sign_out(request):
-    if 'user' in request.session:
-        request.session.flush()
-    return redirect('login')
-
-
-def validate_user(request):
-    user_name = request.POST['username']
-    password = request.POST['password']
-    if user_name == CREDENTIALS.get("username") and password == CREDENTIALS.get("password"):
-        request.session['user'] = user_name
-        return redirect('index')
-    else:
-        return HttpResponse("<script>alert('Invalid Login Credentials!'); window.history.back();</script>")
-
-
-def check_status(timestamp):
-    current_time = datetime.now()
-    given_time = datetime.strptime(timestamp, "%d-%m-%y %H:%M:%S")
-    time_difference = current_time - given_time
-    five_minutes = timedelta(minutes=5)
-    status = "Active"
-    if time_difference > five_minutes:
-        status = "Inactive"
-    return status
-
-
-def security_management_offline(request):
-    if check_session(request):
-        global status
-        global transfer_status
-        headings = [
-            "Name", "Last Activity", "Type", "Protocols", "MAC Address",
-            "Vendor", "Firmware Version", "Model"
-        ]
-        try:
-            with open("assets.json") as json_file:
-                data = json.load(json_file)
-        except:
-            data = {}
-        data_list = []
-        count = 0
-        for data_item in data:
-            count += 1
-            data_list.append(
-                [
-                    count,
-                    data_item,
-                    data[data_item]["last_activity"],
-                    data[data_item]["dev_type"],
-                    data[data_item]["protocols"],
-                    data[data_item]["mac"],
-                    data[data_item]["vendor"],
-                    data[data_item]["firmware"],
-                    data[data_item]["model"],
-                    check_status(data[data_item]["last_activity"])
-                ]
-            )
-        template = loader.get_template('index.html')
-        user_name = request.session['user']
-        context = {
-            'interface_list': [interface for interface in get_interfaces() if interface != ""],
-            'data': data_list,
-            'heading': headings,
-            'status': status,
-            'user_details': user_name.title()
-        }
-        return HttpResponse(template.render(context, request))
-    else:
-        return redirect('login')
-    
-
-def start_sniff(request):
-    interface = request.POST['interface']
-    global process
-    global status
-    process = multiprocessing.Process(target=sniff.start_sniff, args=(interface,))
-    if process.is_alive():
-        process.kill()
-        process.start()
-    else:
-        process.start()
-    status = "Listening on " + interface + ""
-    return security_management_offline(request)
-
-
-def stop_sniff(request):
-    global process
-    global status
-    if process:
-        if process.is_alive():
-            process.kill()
-            status = "Offline"
-    return security_management_offline(request)
-
-
-def refresh(request):
-    return redirect('index')