# copyright 2003-2010 LOGILAB S.A. (Paris, FRANCE), all rights reserved.

# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr

#

# This file is part of CubicWeb.

#

# CubicWeb is free software: you can redistribute it and/or modify it under the

# terms of the GNU Lesser General Public License as published by the Free

# Software Foundation, either version 2.1 of the License, or (at your option)

# any later version.

#

# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more

# details.

#

# You should have received a copy of the GNU Lesser General Public License along

# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.

"""authentication using google authentication service

"""

__docformat__ = "restructuredtext en"

from cubicweb.web.views.basecomponents import UserLink

from cubicweb.web.views.actions import LogoutAction

from google.appengine.api import users

class GACWUserLink(UserLink):

    def anon_user_link(self):

        self.w(self.req._('anonymous'))

        self.w(u'&#160;[<a class="logout" href="%s">%s</a>]'

               % (users.create_login_url(self.req.url()), self.req._('login')))

class GAELogoutAction(LogoutAction):

    def url(self):

        return users.create_logout_url(self.req.build_url('logout') )

def registration_callback(vreg):

    if hasattr(vreg.config, 'has_resource'):

        vreg.register(GACWUserLink, clear=True)

        vreg.register(GAELogoutAction, clear=True)