Synnefo

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import logging

from urlparse import urlparse

import urllib

import urllib2

from django.http import (

    HttpResponseNotFound, HttpResponseRedirect, HttpResponseBadRequest,

    HttpResponse)

from django.utils.http import urlencode

from django.views.decorators.csrf import csrf_exempt

from pithos.api.settings import (

    AUTHENTICATION_USERS, USER_LOGIN_URL, USER_FEEDBACK_URL, USER_CATALOG_URL)

from synnefo.lib.pool.http import get_http_connection

logger = logging.getLogger(__name__)

def delegate_to_login_service(request):

    url = USER_LOGIN_URL

    users = AUTHENTICATION_USERS

    if users or not url:

        return HttpResponseNotFound()

    p = urlparse(url)

    if request.is_secure():

        proto = 'https://'

    else:

        proto = 'http://'

    params = dict([(k, v) for k, v in request.GET.items()])

    uri = proto + p.netloc + p.path + '?' + urlencode(params)

    return HttpResponseRedirect(uri)

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

    p = urlparse(url)

    kwargs = {}

    if headers is None:

        headers = {}

    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)

    conn = get_http_connection(p.netloc, p.scheme)

    try:

        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)

    finally:

        conn.close()

@csrf_exempt

def delegate_to_feedback_service(request):

    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)