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#!/usr/bin/python
#
# Copyright (C) 2013 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
import cherrypy
import pam
class Pam(LoginPageBase):
def _authenticate(self, username, password):
if self.lm.service_name:
ok = pam.authenticate(username, password, self.lm.service_name)
else:
ok = pam.authenticate(username, password)
if ok:
cherrypy.log("User %s successfully authenticated." % username)
return username
cherrypy.log("User %s failed authentication." % username)
return None
def GET(self, *args, **kwargs):
return self._template('login/pam.html', title='Login',
action='%s/login/pam' % self.basepath,
service_name=self.lm.service_name,
help_text=self.lm.help_text,
username_text=self.lm.username_text,
password_text=self.lm.password_text)
def POST(self, *args, **kwargs):
username = None
password = None
user = None
for key, value in kwargs.iteritems():
if key == 'login_name':
username = value
elif key == 'login_password':
password = value
if username is not None and password is not None:
user = self._authenticate(username, password)
else:
cherrypy.log.error("Error: Username or password is missing")
if user:
return self.lm.auth_successful(user)
else:
return self.lm.auth_failed()
def root(self, *args, **kwargs):
op = getattr(self, cherrypy.request.method, self.GET)
if callable(op):
return op(*args, **kwargs)
class LoginManager(LoginManagerBase):
def __init__(self, *args, **kwargs):
super(LoginManager, self).__init__(*args, **kwargs)
self.name = 'pam'
self.path = 'pam'
self.page = None
self.description = """
Form based login Manager that uses the system's PAM infrastructure
for authentication. """
self._options = {
'service name': [
""" The name of the PAM service used to authenticate. """,
'string',
'remote'
],
'help text': [
""" The text shown to guide the user at login time. """,
'string',
'Insert your Username and Password and then submit.'
],
'username text': [
""" The text shown to ask for the username in the form. """,
'string',
'Username'
],
'password text': [
""" The text shown to ask for the password in the form. """,
'string',
'Password'
],
}
@property
def service_name(self):
return self.get_config_value('service name')
@property
def help_text(self):
return self.get_config_value('help text')
@property
def username_text(self):
return self.get_config_value('username text')
@property
def password_text(self):
return self.get_config_value('password text')
def get_tree(self, site):
self.page = Pam(site, self)
return self.page
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