+++ /dev/null
-# Copyright (C) 2014 Simo Sorce <simo@redhat.com>
-#
-# see file 'COPYING' for use and warranty information
-#
-# 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 3 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, see <http://www.gnu.org/licenses/>.
-
-from ipsilon.login.common import LoginPageBase, LoginManagerBase, \
- LoginManagerInstaller
-from ipsilon.util.plugin import PluginObject
-from ipsilon.util.user import UserSession
-from string import Template
-import cherrypy
-import os
-
-
-class Krb(LoginPageBase):
-
- def root(self, *args, **kwargs):
- # Someone typed manually or a robot is walking th tree.
- # Redirect to default page
- return self.lm.redirect_to_path(self.lm.path)
-
-
-class KrbAuth(LoginPageBase):
-
- def root(self, *args, **kwargs):
- trans = self.get_valid_transaction('login', **kwargs)
- # If we can get here, we must be authenticated and remote_user
- # was set. Check the session has a user set already or error.
- us = UserSession()
- us.remote_login()
- self.user = us.get_user()
- if not self.user.is_anonymous:
- principal = cherrypy.request.wsgi_environ.get('GSS_NAME', None)
- if principal:
- userdata = {'krb_principal_name': principal}
- else:
- userdata = {'krb_principal_name': self.user.name}
- return self.lm.auth_successful(trans, self.user.name,
- 'krb', userdata)
- else:
- return self.lm.auth_failed(trans)
-
-
-class KrbError(LoginPageBase):
-
- def root(self, *args, **kwargs):
- cherrypy.log.error('REQUEST: %s' % cherrypy.request.headers)
- # If we have no negotiate header return whatever mod_auth_gssapi
- # generated and wait for the next request
-
- if 'WWW-Authenticate' not in cherrypy.request.headers:
- cherrypy.response.status = 401
-
- next_login = self.lm.next_login()
- if next_login:
- return next_login.page.root(*args, **kwargs)
-
- conturl = '%s/login' % self.basepath
- return self._template('login/krb.html',
- title='Kerberos Login',
- cont=conturl)
-
- # If we get here, negotiate failed
- trans = self.get_valid_transaction('login', **kwargs)
- return self.lm.auth_failed(trans)
-
-
-class LoginManager(LoginManagerBase):
-
- def __init__(self, *args, **kwargs):
- super(LoginManager, self).__init__(*args, **kwargs)
- self.name = 'krb'
- self.path = 'krb/negotiate'
- self.page = None
- self.description = """
-Kerberos Negotiate authentication plugin. Relies on the mod_auth_gssapi
-apache plugin for actual authentication. """
- self.new_config(self.name)
-
- def get_tree(self, site):
- self.page = Krb(site, self)
- self.page.__dict__['negotiate'] = KrbAuth(site, self)
- self.page.__dict__['unauthorized'] = KrbError(site, self)
- self.page.__dict__['failed'] = KrbError(site, self)
- return self.page
-
-
-CONF_TEMPLATE = """
-
-<Location /${instance}/login/krb/negotiate>
- AuthType GSSAPI
- AuthName "GSSAPI Single Sign On Login"
- $keytab
- GssapiSSLonly $gssapisslonly
- GssapiLocalName on
- Require valid-user
-
- ErrorDocument 401 /${instance}/login/krb/unauthorized
- ErrorDocument 500 /${instance}/login/krb/failed
-</Location>
-"""
-
-
-class Installer(LoginManagerInstaller):
-
- def __init__(self, *pargs):
- super(Installer, self).__init__()
- self.name = 'krb'
- self.pargs = pargs
-
- def install_args(self, group):
- group.add_argument('--krb', choices=['yes', 'no'], default='no',
- help='Configure Kerberos authentication')
- group.add_argument('--krb-httpd-keytab',
- default='/etc/httpd/conf/http.keytab',
- help='Kerberos keytab location for HTTPD')
-
- def configure(self, opts):
- if opts['krb'] != 'yes':
- return
-
- confopts = {'instance': opts['instance']}
-
- if os.path.exists(opts['krb_httpd_keytab']):
- confopts['keytab'] = 'GssapiCredStore keytab:%s' % (
- opts['krb_httpd_keytab'])
- else:
- raise Exception('Keytab not found')
-
- if opts['secure'] == 'no':
- confopts['gssapisslonly'] = 'Off'
- else:
- confopts['gssapisslonly'] = 'On'
-
- tmpl = Template(CONF_TEMPLATE)
- hunk = tmpl.substitute(**confopts) # pylint: disable=star-args
- with open(opts['httpd_conf'], 'a') as httpd_conf:
- httpd_conf.write(hunk)
-
- # Add configuration data to database
- po = PluginObject(*self.pargs)
- po.name = 'krb'
- po.wipe_data()
-
- # Update global config, put 'krb' always first
- ph = self.pargs[0]
- ph.refresh_enabled()
- if 'krb' not in ph.enabled:
- enabled = []
- enabled.extend(ph.enabled)
- enabled.insert(0, 'krb')
- ph.save_enabled(enabled)
projects / cascardo / ipsilon.git / blobdiff