Dispatcharr/dispatcharr/utils.py
2025-07-27 14:18:48 -05:00

58 lines
1.8 KiB
Python

# dispatcharr/utils.py
import json
import ipaddress
from django.http import JsonResponse
from django.core.exceptions import ValidationError
from core.models import CoreSettings, NETWORK_ACCESS
def json_error_response(message, status=400):
"""Return a standardized error JSON response."""
return JsonResponse({"success": False, "error": message}, status=status)
def json_success_response(data=None, status=200):
"""Return a standardized success JSON response."""
response = {"success": True}
if data is not None:
response.update(data)
return JsonResponse(response, status=status)
def validate_logo_file(file):
"""Validate uploaded logo file size and MIME type."""
valid_mime_types = ["image/jpeg", "image/png", "image/gif", "image/webp", "image/svg+xml"]
if file.content_type not in valid_mime_types:
raise ValidationError("Unsupported file type. Allowed types: JPEG, PNG, GIF, WebP, SVG.")
if file.size > 5 * 1024 * 1024: # 5MB
raise ValidationError("File too large. Max 5MB.")
def get_client_ip(request):
x_forwarded_for = request.META.get("HTTP_X_REAL_IP")
if x_forwarded_for:
# X-Forwarded-For can be a comma-separated list of IPs
ip = x_forwarded_for.split(",")[0].strip()
else:
ip = request.META.get("REMOTE_ADDR")
return ip
def network_access_allowed(request, settings_key):
network_access = json.loads(CoreSettings.objects.get(key=NETWORK_ACCESS).value)
cidrs = (
network_access[settings_key].split(",")
if settings_key in network_access
else ["0.0.0.0/0"]
)
network_allowed = False
client_ip = ipaddress.ip_address(get_client_ip(request))
for cidr in cidrs:
network = ipaddress.ip_network(cidr)
if client_ip in network:
network_allowed = True
break
return network_allowed