Synnefo » astakos

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from django.http import HttpResponseBadRequest

from django.utils.translation import ugettext as _

from django.contrib import messages

from django.template import RequestContext

from astakos.im.util import get_or_create_user, prepare_response, get_context, get_invitation

from astakos.im.views import requires_anonymous, render_response

from astakos.im.settings import DEFAULT_USER_LEVEL

from astakos.im.models import AstakosUser

from astakos.im.forms import ShibbolethUserCreationForm, LoginForm

class Tokens:

    # these are mapped by the Shibboleth SP software

    SHIB_EPPN = "HTTP_EPPN" # eduPersonPrincipalName

    SHIB_NAME = "HTTP_SHIB_INETORGPERSON_GIVENNAME"

    SHIB_SURNAME = "HTTP_SHIB_PERSON_SURNAME"

    SHIB_CN = "HTTP_SHIB_PERSON_COMMONNAME"

    SHIB_DISPLAYNAME = "HTTP_SHIB_INETORGPERSON_DISPLAYNAME"

    SHIB_EP_AFFILIATION = "HTTP_SHIB_EP_AFFILIATION"

    SHIB_SESSION_ID = "HTTP_SHIB_SESSION_ID"

@requires_anonymous

def login(request,  backend=None, on_login_template='im/login.html', on_creation_template='im/signup.html', extra_context={}):

    #tokens = request.META

    #

    #try:

    #    eppn = tokens[Tokens.SHIB_EPPN]

    #except KeyError:

    #    return HttpResponseBadRequest("Missing unique token in request")

    #

    #if Tokens.SHIB_DISPLAYNAME in tokens:

    #    realname = tokens[Tokens.SHIB_DISPLAYNAME]

    #elif Tokens.SHIB_CN in tokens:

    #    realname = tokens[Tokens.SHIB_CN]

    #elif Tokens.SHIB_NAME in tokens and Tokens.SHIB_SURNAME in tokens:

    #    realname = tokens[Tokens.SHIB_NAME] + ' ' + tokens[Tokens.SHIB_SURNAME]

    #else:

    #    return HttpResponseBadRequest("Missing user name in request")

    #

    #affiliation = tokens.get(Tokens.SHIB_EP_AFFILIATION, '')

    eppn, realname, affiliation = 'spapagian', 'Sofia Papagiannaki', 'grnet'

    try:

        user = AstakosUser.objects.get(provider='shibboleth', third_party_identifier=eppn)

        if user.is_active:

            return prepare_response(request,

                                    user,

                                    request.GET.get('next'),

                                    'renew' in request.GET)

        else:

            message = _('Inactive account')

            messages.add_message(request, messages.ERROR, message)

            return render_response(on_login_template,

                                   login_form = LoginForm(),

                                   context_instance=RequestContext(request))

    except AstakosUser.DoesNotExist, e:

        user = AstakosUser(third_party_identifier=eppn, realname=realname,

                           affiliation=affiliation,

                           provider='shibboleth')

        return render_response(on_creation_template,

                               signup_form = ShibbolethUserCreationForm(instance=user),

                               provider = 'shibboleth',

                               context_instance=get_context(request, extra_context))