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