cybertools/browser/loops/auth.py
helmutm caac5d81df provide modified session authentication plugin with correct 'camefrom' setting
git-svn-id: svn://svn.cy55.de/Zope3/src/cybertools/trunk@1250 fd906abe-77d9-0310-91a1-e0d9ade77398
2006-06-19 11:17:15 +00:00

69 lines
2.6 KiB
Python

#
# Copyright (c) 2006 Helmut Merz helmutm@cy55.de
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
"""
login, logout and similar stuff.
$Id$
"""
import urllib
from zope.app import zapi
from zope.app.authentication.session import SessionCredentialsPlugin
from zope.app.component import hooks
from zope.app.i18n import ZopeMessageFactory as _
from zope.app.security.browser.auth import LoginLogout as BaseLoginLogout
from zope.app.security.interfaces import IUnauthenticatedPrincipal
from zope.app.security.interfaces import ILogoutSupported
from zope.cachedescriptors.property import Lazy
from zope.i18n import translate
from zope.publisher.interfaces.http import IHTTPRequest
class LoopsSessionCredentialsPlugin(SessionCredentialsPlugin):
def challenge(self, request):
if not IHTTPRequest.providedBy(request):
return False
site = hooks.getSite()
#camefrom = request.getURL() # wrong when object is not viewable
camefrom = request.getApplicationURL() + request['PATH_INFO']
url = '%s/@@%s?%s' % (zapi.absoluteURL(site, request),
self.loginpagename,
urllib.urlencode({'camefrom': camefrom}))
request.response.redirect(url)
return True
class LoginLogout(BaseLoginLogout):
def __call__(self):
if IUnauthenticatedPrincipal.providedBy(self.request.principal):
return u'<a href="@@login.html">%s</a>' % (
#urllib.quote(self.request.getURL()),
translate(_('[Login]'), context=self.request,
default='[Login]'))
elif ILogoutSupported(self.request, None) is not None:
return u'<a href="@@logout.html?nextURL=%s/login.html">%s</a>' % (
zapi.absoluteURL(self.context, self.request),
translate(_('[Logout]'), context=self.request,
default='[Logout]'))
else:
return None