75 lines
2.9 KiB
Python
75 lines
2.9 KiB
Python
#
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# Copyright (c) 2011 Helmut Merz helmutm@cy55.de
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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"""
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login, logout and similar stuff.
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$Id$
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"""
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import urllib
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from zope.app.authentication.session import SessionCredentialsPlugin
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from zope.app.component import hooks
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from zope.app.i18n import ZopeMessageFactory as _
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from zope.app.security.browser.auth import LoginLogout as BaseLoginLogout
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from zope.app.security.interfaces import IUnauthenticatedPrincipal
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from zope.app.security.interfaces import ILogoutSupported
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from zope.cachedescriptors.property import Lazy
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from zope.i18n import translate
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from zope.publisher.interfaces.http import IHTTPRequest
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from zope.traversing.browser import absoluteURL
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class LoopsSessionCredentialsPlugin(SessionCredentialsPlugin):
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def challenge(self, request):
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if not IHTTPRequest.providedBy(request):
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return False
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site = hooks.getSite()
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#camefrom = request.getURL() # wrong when object is not viewable
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#camefrom = request.getApplicationURL() + request['PATH_INFO']
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path = request['PATH_INFO'].split('/++/')[-1] # strip virtual host stuff
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if not path.startswith('/'):
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path = '/' + path
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camefrom = request.getApplicationURL() + path
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if 'login' in camefrom:
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camefrom = '/'.join(camefrom.split('/')[:-1])
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url = '%s/@@%s?%s' % (absoluteURL(site, request),
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self.loginpagename,
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urllib.urlencode({'camefrom': camefrom}))
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request.response.redirect(url)
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return True
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class LoginLogout(BaseLoginLogout):
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def __call__(self):
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if IUnauthenticatedPrincipal.providedBy(self.request.principal):
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return u'<a href="@@login.html">%s</a>' % (
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#urllib.quote(self.request.getURL()),
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translate(_('[Login]'), context=self.request,
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default='[Login]'))
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elif ILogoutSupported(self.request, None) is not None:
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return u'<a href="@@logout.html?nextURL=%s/login.html">%s</a>' % (
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absoluteURL(self.context, self.request),
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translate(_('[Logout]'), context=self.request,
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default='[Logout]'))
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else:
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return None
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