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120
panel/validate_headers.py
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120
panel/validate_headers.py
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import datetime
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import secrets
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from django.http import JsonResponse
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from panel.models import PosDeviceVersion, PosCompany, POSDeviceSession, POSMachine
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def make_pos_unique_id():
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while True:
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random_number = '0' + ''.join(str(secrets.randbelow(10)) for _ in range(5))
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if not POSMachine.objects.filter(pos_unique_id=random_number).exists():
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return random_number
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def get_client_ip(request):
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x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR')
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if x_forwarded_for:
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# اگر از پروکسی استفاده میشود، IP اول را برمیگردانیم
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ip = x_forwarded_for.split(',')[0]
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else:
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# در غیر این صورت از REMOTE_ADDR استفاده میکنیم
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ip = request.META.get('REMOTE_ADDR')
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return ip
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class PosDeviceValidator:
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def __init__(self, request):
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self.request = request
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self.headers = request.headers
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self.device_id = request.headers.get('device-id')
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self.device_mac = request.headers.get('device-mac')
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self.device_name = request.headers.get('device-name')
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self.device_sdk = request.headers.get('device-sdk')
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self.device_serial = request.headers.get('device-serial')
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self.device_provider = request.headers.get('device-provider')
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self.device_version = request.headers.get('device-version')
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self.device_version_name = request.headers.get('device-vname')
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self.device_lng = request.headers.get('device-lng')
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self.device_lot = request.headers.get('device-lot')
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self.role = request.headers.get('device-role')
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def validation_version(self):
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if self.device_provider == "" or self.device_provider == None:
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return JsonResponse({'result': 'پارامتر های ارسالی صحیح نمیباشد!'}, status=402)
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company = PosCompany.objects.filter(en_name=self.device_provider).first()
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if not company:
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return JsonResponse({'result': 'شرکت پرداخت الکترونیک پشتیبانی نمیشود!'}, status=402)
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if not company.active:
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return JsonResponse({'result': 'شرکت پرداخت الکترونیک توسط مدیریت مسدود شده است!'}, status=402)
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version = PosDeviceVersion.objects.filter(company=company).order_by('code')
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if not version:
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return JsonResponse({'result': ' هیچ نسخه معتبری برای این شرکت پرداخت الکترونیک منتشر نشده است!'},
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status=402)
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current_version = version.filter(code=self.device_version).first()
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if not current_version or current_version.remove:
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return JsonResponse({'result': f'نسخه {self.device_version_name} منقضی شده است لطفا بروز رسانی کنید '},
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status=402)
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return None
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def validation_device(self):
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pos_session = POSDeviceSession.objects.filter(pos__pos_id=self.device_id, mac=self.device_mac).first()
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if not pos_session:
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return None
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else:
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pos_session.session_last_seen_date = datetime.datetime.now()
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pos_session.lng = self.device_lng
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pos_session.lot = self.device_lot
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pos_session.version = self.device_version
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pos_session.ip = get_client_ip(self.request)
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pos_session.save()
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return pos_session.pos.pos_id
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def validation_pos(self):
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pos = POSMachine.objects.filter(serial=self.device_serial, mac=self.device_mac).first()
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if not pos:
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return JsonResponse({"result": "دستگاه معتبر نمیباشد!"},
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status=401)
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else:
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if not pos.owner:
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return JsonResponse({"result": f"برای این دستگاه مالکی تعیین نشده!شناسه پوز:{pos.pos_unique_id}"},
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status=403)
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if not pos.active:
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return JsonResponse({"result": f"دستگاه غیر فعال میباشد!شناسه پوز:{pos.pos_unique_id}"},
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status=403)
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pos.last_check = datetime.datetime.now()
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pos.Long = self.device_lng
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pos.Lat = self.device_lot
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pos.version = self.device_version
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pos.ip = get_client_ip(self.request)
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pos.save()
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return pos
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def manage_device(self):
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company = PosCompany.objects.get(en_name=self.device_provider, trash=False)
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pos = POSMachine.objects.filter(serial=self.device_serial, mac=self.device_mac).first()
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if not pos:
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pos = POSMachine(
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pos_company=company,
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serial=self.device_serial,
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mac=self.device_mac,
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sdk=self.device_sdk,
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version=self.device_version,
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name=self.device_name,
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Lat=self.device_lot,
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Long=self.device_lng,
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pos_unique_id=make_pos_unique_id(),
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ip=get_client_ip(self.request)
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)
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pos.save()
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if pos.pos_company.en_name != company.en_name:
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pos.pos_company = company
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pos.save(update_fields=['pos_company'])
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return pos
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