58 lines
2.1 KiB
Python
58 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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# vi:si:et:sw=4:sts=4:ts=4
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import os
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import mimetypes
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from datetime import datetime, timedelta
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from six.moves.urllib.parse import quote
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from django.http import HttpResponse, Http404
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from django.conf import settings
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def HttpFileResponse(path, content_type=None, filename=None):
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if not os.path.exists(path):
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raise Http404
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if not content_type:
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content_type = mimetypes.guess_type(path)[0]
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if not content_type:
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content_type = 'application/octet-stream'
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if getattr(settings, 'XACCELREDIRECT', False):
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response = HttpResponse()
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response['Content-Length'] = os.stat(path).st_size
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for PREFIX in ('STATIC', 'MEDIA'):
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root = getattr(settings, PREFIX+'_ROOT', '')
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url = getattr(settings, PREFIX+'_URL', '')
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if root and path.startswith(root):
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path = url + path[len(root)+1:]
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if not isinstance(path, bytes):
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path = path.encode('utf-8')
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response['X-Accel-Redirect'] = path
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if content_type:
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response['Content-Type'] = content_type
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elif getattr(settings, 'XSENDFILE', False):
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response = HttpResponse()
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if not isinstance(path, bytes):
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path = path.encode('utf-8')
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response['X-Sendfile'] = path
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if content_type:
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response['Content-Type'] = content_type
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response['Content-Length'] = os.stat(path).st_size
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else:
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response = HttpResponse(open(path), content_type=content_type)
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if filename:
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if not isinstance(filename, bytes):
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filename = filename.encode('utf-8')
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response['Content-Disposition'] = "attachment; filename*=UTF=8''%s" % quote(filename)
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response['Expires'] = datetime.strftime(datetime.utcnow() + timedelta(days=1), "%a, %d-%b-%Y %H:%M:%S GMT")
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def allow_access():
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for key in ('X-Accel-Redirect', 'X-Sendfile'):
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if key in response:
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del response[key]
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response['Access-Control-Allow-Origin'] = '*'
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response.allow_access = allow_access
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return response
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