1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
|
# 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 LoginFormBase, LoginManagerBase, \
LoginManagerInstaller
from ipsilon.util.plugin import PluginObject
from ipsilon.util.user import UserSession
from ipsilon.util import config as pconfig
from string import Template
import cherrypy
import subprocess
import logging
class Form(LoginFormBase):
def POST(self, *args, **kwargs):
us = UserSession()
us.remote_login()
user = us.get_user()
if not user.is_anonymous:
return self.lm.auth_successful(self.trans, user.name, 'password')
else:
try:
error = cherrypy.request.headers['EXTERNAL_AUTH_ERROR']
except KeyError:
error = "Unknown error using external authentication"
cherrypy.log.error("Error: %s" % error, logging.ERROR)
return self.lm.auth_failed(self.trans)
class LoginManager(LoginManagerBase):
def __init__(self, *args, **kwargs):
super(LoginManager, self).__init__(*args, **kwargs)
self.name = 'form'
self.path = 'form'
self.page = None
self.service_name = 'form'
self.description = """
Form based login Manager. Relies on mod_intercept_form_submit plugin for
actual authentication. """
self.new_config(
self.name,
pconfig.String(
'username text',
'Text used to ask for the username at login time.',
'Username'),
pconfig.String(
'password text',
'Text used to ask for the password at login time.',
'Password'),
pconfig.String(
'help text',
'Text used to guide the user at login time.',
'Insert your Username and Password and then submit.')
)
@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 = Form(site, self, 'login/form')
return self.page
CONF_TEMPLATE = """
LoadModule intercept_form_submit_module modules/mod_intercept_form_submit.so
LoadModule authnz_pam_module modules/mod_authnz_pam.so
<Location /${instance}/login/form>
InterceptFormPAMService ${service}
InterceptFormLogin login_name
InterceptFormPassword login_password
# InterceptFormLoginSkip admin
# InterceptFormClearRemoteUserForSkipped on
InterceptFormPasswordRedact on
</Location>
"""
class Installer(LoginManagerInstaller):
def __init__(self, *pargs):
super(Installer, self).__init__()
self.name = 'form'
self.pargs = pargs
def install_args(self, group):
group.add_argument('--form', choices=['yes', 'no'], default='no',
help='Configure External Form authentication')
group.add_argument('--form-service', action='store', default='remote',
help='PAM service name to use for authentication')
def configure(self, opts):
if opts['form'] != 'yes':
return
confopts = {'instance': opts['instance'],
'service': opts['form_service']}
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 = 'form'
po.wipe_data()
po.wipe_config_values()
# Update global config to add login plugin
po.is_enabled = True
po.save_enabled_state()
# for selinux enabled platforms, ignore if it fails just report
try:
subprocess.call(['/usr/sbin/setsebool', '-P',
'httpd_mod_auth_pam=on'])
except Exception: # pylint: disable=broad-except
pass
|
