Synnefo

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import logging

import urlparse

from django.http import HttpResponse

from django.views.decorators.csrf import csrf_exempt

from django.conf import settings

ASTAKOS_URL = getattr(settings, 'ASTAKOS_URL', None)

USER_CATALOG_URL = urlparse.urljoin(ASTAKOS_URL, "user_catalogs")

USER_FEEDBACK_URL = urlparse.urljoin(ASTAKOS_URL, "feedback")

USER_QUOTA_URL = urlparse.urljoin(ASTAKOS_URL, "astakos/api/quotas")

RESOURCES_URL = urlparse.urljoin(ASTAKOS_URL, "astakos/api/resources")

from objpool.http import PooledHTTPConnection

logger = logging.getLogger(__name__)

def proxy(request, url, headers={}, body=None):

    p = urlparse.urlparse(url)

    kwargs = {}

    kwargs['headers'] = headers

    kwargs['headers'].update(request.META)

    kwargs['body'] = body

    kwargs['headers'].setdefault('content-type', 'application/json')

    kwargs['headers'].setdefault('content-length', len(body) if body else 0)

    with PooledHTTPConnection(p.netloc, p.scheme) as conn:

        conn.request(request.method, p.path + '?' + p.query, **kwargs)

        response = conn.getresponse()

        length = response.getheader('content-length', None)

        data = response.read(length)

        status = int(response.status)

        return HttpResponse(data, status=status)

@csrf_exempt

def delegate_to_resources_service(request):

    logger.debug("Delegate resources request to %s" % RESOURCES_URL)

    token = request.META.get('HTTP_X_AUTH_TOKEN')

    headers = {'X-Auth-Token': token}

    return proxy(request, RESOURCES_URL, headers=headers,

                 body=request.raw_post_data)

@csrf_exempt

def delegate_to_user_quota_service(request):

    logger.debug("Delegate quotas request to %s" % USER_QUOTA_URL)

    token = request.META.get('HTTP_X_AUTH_TOKEN')

    headers = {'X-Auth-Token': token}

    return proxy(request, USER_QUOTA_URL, headers=headers,

                 body=request.raw_post_data)

@csrf_exempt

def delegate_to_feedback_service(request):

    logger.debug("Delegate feedback request to %s" % USER_FEEDBACK_URL)

    token = request.META.get('HTTP_X_AUTH_TOKEN')

    headers = {'X-Auth-Token': token}

    return proxy(request, USER_FEEDBACK_URL, headers=headers,

                 body=request.raw_post_data)

@csrf_exempt

def delegate_to_user_catalogs_service(request):

    token = request.META.get('HTTP_X_AUTH_TOKEN')

    headers = {'X-Auth-Token': token, 'content-type': 'application/json'}

    return proxy(request, USER_CATALOG_URL, headers=headers,

                 body=request.raw_post_data)