##// END OF EJS Templates
vcs: Only allow 'pull' actions on shadow repositories....
vcs: Only allow 'pull' actions on shadow repositories. We are exposing the shadow repositories of pull requests to allow easy CI integration or users to access the pull request shadow repo for investigating on it. But we don't want someone/something to push changes to a shadow repository.

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auth_pam.py
160 lines | 5.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2012-2016 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), as published by the Free Software Foundation.
#
# 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 Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/
"""
RhodeCode authentication library for PAM
"""
import colander
import grp
import logging
import pam
import pwd
import re
import socket
from pylons.i18n.translation import lazy_ugettext as _
from sqlalchemy.ext.hybrid import hybrid_property
from rhodecode.authentication.base import RhodeCodeExternalAuthPlugin
from rhodecode.authentication.schema import AuthnPluginSettingsSchemaBase
from rhodecode.authentication.routes import AuthnPluginResourceBase
from rhodecode.lib.colander_utils import strip_whitespace
log = logging.getLogger(__name__)
def plugin_factory(plugin_id, *args, **kwds):
"""
Factory function that is called during plugin discovery.
It returns the plugin instance.
"""
plugin = RhodeCodeAuthPlugin(plugin_id)
return plugin
class PamAuthnResource(AuthnPluginResourceBase):
pass
class PamSettingsSchema(AuthnPluginSettingsSchemaBase):
service = colander.SchemaNode(
colander.String(),
default='login',
description=_('PAM service name to use for authentication.'),
preparer=strip_whitespace,
title=_('PAM service name'),
widget='string')
gecos = colander.SchemaNode(
colander.String(),
default='(?P<last_name>.+),\s*(?P<first_name>\w+)',
description=_('Regular expression for extracting user name/email etc. '
'from Unix userinfo.'),
preparer=strip_whitespace,
title=_('Gecos Regex'),
widget='string')
class RhodeCodeAuthPlugin(RhodeCodeExternalAuthPlugin):
# PAM authentication can be slow. Repository operations involve a lot of
# auth calls. Little caching helps speedup push/pull operations significantly
AUTH_CACHE_TTL = 4
def includeme(self, config):
config.add_authn_plugin(self)
config.add_authn_resource(self.get_id(), PamAuthnResource(self))
config.add_view(
'rhodecode.authentication.views.AuthnPluginViewBase',
attr='settings_get',
renderer='rhodecode:templates/admin/auth/plugin_settings.html',
request_method='GET',
route_name='auth_home',
context=PamAuthnResource)
config.add_view(
'rhodecode.authentication.views.AuthnPluginViewBase',
attr='settings_post',
renderer='rhodecode:templates/admin/auth/plugin_settings.html',
request_method='POST',
route_name='auth_home',
context=PamAuthnResource)
def get_display_name(self):
return _('PAM')
@hybrid_property
def name(self):
return "pam"
def get_settings_schema(self):
return PamSettingsSchema()
def use_fake_password(self):
return True
def auth(self, userobj, username, password, settings, **kwargs):
if not username or not password:
log.debug('Empty username or password skipping...')
return None
auth_result = pam.authenticate(username, password, settings["service"])
if not auth_result:
log.error("PAM was unable to authenticate user: %s" % (username, ))
return None
log.debug('Got PAM response %s' % (auth_result, ))
# old attrs fetched from RhodeCode database
default_email = "%s@%s" % (username, socket.gethostname())
admin = getattr(userobj, 'admin', False)
active = getattr(userobj, 'active', True)
email = getattr(userobj, 'email', '') or default_email
username = getattr(userobj, 'username', username)
firstname = getattr(userobj, 'firstname', '')
lastname = getattr(userobj, 'lastname', '')
extern_type = getattr(userobj, 'extern_type', '')
user_attrs = {
'username': username,
'firstname': firstname,
'lastname': lastname,
'groups': [g.gr_name for g in grp.getgrall()
if username in g.gr_mem],
'email': email,
'admin': admin,
'active': active,
'active_from_extern': None,
'extern_name': username,
'extern_type': extern_type,
}
try:
user_data = pwd.getpwnam(username)
regex = settings["gecos"]
match = re.search(regex, user_data.pw_gecos)
if match:
user_attrs["firstname"] = match.group('first_name')
user_attrs["lastname"] = match.group('last_name')
except Exception:
log.warning("Cannot extract additional info for PAM user")
pass
log.debug("pamuser: %s", user_attrs)
log.info('user %s authenticated correctly' % user_attrs['username'])
return user_attrs