__init__.py 2.48 KB
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# Copyright 2012, 2013 GRNET S.A. All rights reserved.
#
# Redistribution and use in source and binary forms, with or
# without modification, are permitted provided that the following
# conditions are met:
#
#   1. Redistributions of source code must retain the above
#      copyright notice, this list of conditions and the following
#      disclaimer.
#
#   2. Redistributions in binary form must reproduce the above
#      copyright notice, this list of conditions and the following
#      disclaimer in the documentation and/or other materials
#      provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# The views and conclusions contained in the software and
# documentation are those of the authors and should not be
# interpreted as representing official policies, either expressed
# or implied, of GRNET S.A.

from django.http import HttpResponse

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from objpool.http import PooledHTTPConnection
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from .utils import fix_header, forward_header

import urllib
import urlparse


def proxy(request, target):
    kwargs = {}

    # prepare headers
    headers = dict(map(lambda (k, v): fix_header(k, v),
                   filter(lambda (k, v): forward_header(k),
                          request.META.iteritems())))

    kwargs['headers'] = headers
    kwargs['body'] = request.raw_post_data

    p = urlparse.urlparse(target)
    with PooledHTTPConnection(p.netloc, p.scheme) as conn:
        conn.request(
            request.method,
            '?'.join([request.path, urllib.urlencode(request.GET)]),
            **kwargs)
        response = conn.getresponse()

        # turn httplib.HttpResponse to django.http.Response
        length = response.getheader('content-length', None)
        data = response.read(length)
        status = int(response.status)
        return HttpResponse(data, status=status)