Proyecto LCX Dispatcharr multicuenta

apps/proxy/vod_proxy/utils.py

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+"""
+Utility functions for VOD proxy operations.
+"""
+
+import logging
+from django.http import HttpResponse
+
+logger = logging.getLogger(__name__)
+
+
+def get_client_info(request):
+    """
+    Extract client IP and User-Agent from request.
+
+    Args:
+        request: Django HttpRequest object
+
+    Returns:
+        tuple: (client_ip, user_agent)
+    """
+    # Get client IP, checking for proxy headers
+    client_ip = request.META.get('HTTP_X_FORWARDED_FOR')
+    if client_ip:
+        # Take the first IP if there are multiple (comma-separated)
+        client_ip = client_ip.split(',')[0].strip()
+    else:
+        client_ip = request.META.get('HTTP_X_REAL_IP') or request.META.get('REMOTE_ADDR', 'unknown')
+
+    # Get User-Agent
+    user_agent = request.META.get('HTTP_USER_AGENT', 'unknown')
+
+    return client_ip, user_agent
+
+
+def create_vod_response(content, content_type='video/mp4', filename=None):
+    """
+    Create a streaming HTTP response for VOD content.
+
+    Args:
+        content: Content to stream (file-like object or bytes)
+        content_type: MIME type of the content
+        filename: Optional filename for Content-Disposition header
+
+    Returns:
+        HttpResponse: Configured HTTP response for streaming
+    """
+    response = HttpResponse(content, content_type=content_type)
+
+    if filename:
+        response['Content-Disposition'] = f'attachment; filename="{filename}"'
+
+    # Add headers for streaming
+    response['Accept-Ranges'] = 'bytes'
+    response['Cache-Control'] = 'no-cache, no-store, must-revalidate'
+    response['Pragma'] = 'no-cache'
+    response['Expires'] = '0'
+
+    return response