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# Copyright (C) 2014 Ipsilon project Contributors, for license see COPYING
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
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)
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)
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
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