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