Synnefo

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from django.shortcuts import render_to_response

from django.template import RequestContext

from django.contrib import messages

from django.utils.translation import ugettext as _

from django.views.decorators.csrf import csrf_exempt

from django.views.decorators.http import require_http_methods

from astakos.im.util import prepare_response, get_query

from astakos.im.views import requires_anonymous

from astakos.im.forms import LoginForm

from astakos.im.settings import RATELIMIT_RETRIES_ALLOWED

from ratelimit.decorators import ratelimit

retries = RATELIMIT_RETRIES_ALLOWED - 1

rate = str(retries) + '/m'

@require_http_methods(["GET", "POST"])

@csrf_exempt

@requires_anonymous

@ratelimit(field='username', method='POST', rate=rate)

def login(request, on_failure='im/login.html'):

    """

    on_failure: the template name to render on login failure

    """

    was_limited = getattr(request, 'limited', False)

    form = LoginForm(data=request.POST,

                     was_limited=was_limited,

                     request=request)

    next = get_query(request).get('next', '')

    if not form.is_valid():

        return render_to_response(on_failure,

                                  {'login_form': form,

                                   'next': next},

                                  context_instance=RequestContext(request))

    # get the user from the cash

    user = form.user_cache

    message = None

    if not user:

        message = _('Cannot authenticate account')

    elif not user.is_active:

        message = _('Inactive account')

    if message:

        messages.error(request, message)

        return render_to_response(on_failure,

                                  {'form': form},

                                  context_instance=RequestContext(request))

    return prepare_response(request, user, next)