import logging
from .utils import cookie_from_string, should_stream, set_response_headers
from django.http import HttpResponse, StreamingHttpResponse
#: Default number of bytes that are going to be read in a file lecture
DEFAULT_AMT = 2 ** 16
logger = logging.getLogger('revproxy.response')
[docs]def get_django_response(proxy_response, strict_cookies=False):
"""This method is used to create an appropriate response based on the
Content-Length of the proxy_response. If the content is bigger than
MIN_STREAMING_LENGTH, which is found on utils.py,
than django.http.StreamingHttpResponse will be created,
else a django.http.HTTPResponse will be created instead
:param proxy_response: An Instance of urllib3.response.HTTPResponse that
will create an appropriate response
:param strict_cookies: Whether to only accept RFC-compliant cookies
:returns: Returns an appropriate response based on the proxy_response
content-length
"""
status = proxy_response.status
headers = proxy_response.headers
logger.debug('Proxy response headers: %s', headers)
content_type = headers.get('Content-Type')
logger.debug('Content-Type: %s', content_type)
if should_stream(proxy_response):
logger.info('Content-Length is bigger than %s', DEFAULT_AMT)
response = StreamingHttpResponse(proxy_response.stream(DEFAULT_AMT),
status=status,
content_type=content_type)
else:
content = proxy_response.data or b''
response = HttpResponse(content, status=status,
content_type=content_type)
logger.info('Normalizing response headers')
set_response_headers(response, headers)
logger.debug('Response headers: %s', getattr(response, '_headers'))
cookies = proxy_response.headers.getlist('set-cookie')
logger.info('Checking for invalid cookies')
for cookie_string in cookies:
cookie_dict = cookie_from_string(cookie_string,
strict_cookies=strict_cookies)
# if cookie is invalid cookie_dict will be None
if cookie_dict:
response.set_cookie(**cookie_dict)
logger.debug('Response cookies: %s', response.cookies)
return response