def HttpFileResponse(path, content_type=None, filename=None):
if not os.path.exists(path):
raise Http404
if not content_type:
content_type = mimetypes.guess_type(path)[0]
if not content_type:
content_type = 'application/octet-stream'
if getattr(settings, 'XACCELREDIRECT', False):
response = HttpResponse()
response['Content-Length'] = os.stat(path).st_size
for PREFIX in ('STATIC', 'MEDIA'):
root = getattr(settings, PREFIX+'_ROOT', '')
url = getattr(settings, PREFIX+'_URL', '')
if root and path.startswith(root):
path = url + path[len(root)+1:]
if isinstance(path, unicode):
path = path.encode('utf-8')
response['X-Accel-Redirect'] = path
if content_type:
response['Content-Type'] = content_type
elif getattr(settings, 'XSENDFILE', False):
response = HttpResponse()
if isinstance(path, unicode):
path = path.encode('utf-8')
response['X-Sendfile'] = path
if content_type:
response['Content-Type'] = content_type
response['Content-Length'] = os.stat(path).st_size
else:
response = HttpResponse(open(path), content_type=content_type)
if filename:
if isinstance(filename, unicode):
filename = filename.encode('utf-8')
response['Content-Disposition'] = "attachment; filename*=UTF=8''%s" % quote(filename)
response['Expires'] = datetime.strftime(datetime.utcnow() + timedelta(days=1), "%a, %d-%b-%Y %H:%M:%S GMT")
def allow_access():
for key in ('X-Accel-Redirect', 'X-Sendfile'):
if key in response:
del response[key]
response['Access-Control-Allow-Origin'] = '*'
response.allow_access = allow_access
return response
