##// END OF EJS Templates
processes: better handling of PID that are not part of RhodeCode processes....
processes: better handling of PID that are not part of RhodeCode processes. - in some cases for multiple gunicorn instances the PID sent is not from rhodecode which would lead to AccessDenied errors. We prevent from crashing the server on this type of errors.

File last commit:

r2604:bf544c2f default
r2661:042cb4c7 default
Show More
auth_crowd.py
285 lines | 10.5 KiB | text/x-python | PythonLexer
# -*- coding: utf-8 -*-
# Copyright (C) 2012-2018 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 plugin for Atlassian CROWD
"""
import colander
import base64
import logging
import urllib2
from rhodecode.translation import _
from rhodecode.authentication.base import (
RhodeCodeExternalAuthPlugin, hybrid_property)
from rhodecode.authentication.schema import AuthnPluginSettingsSchemaBase
from rhodecode.authentication.routes import AuthnPluginResourceBase
from rhodecode.lib.colander_utils import strip_whitespace
from rhodecode.lib.ext_json import json, formatted_json
from rhodecode.model.db import User
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 CrowdAuthnResource(AuthnPluginResourceBase):
pass
class CrowdSettingsSchema(AuthnPluginSettingsSchemaBase):
host = colander.SchemaNode(
colander.String(),
default='127.0.0.1',
description=_('The FQDN or IP of the Atlassian CROWD Server'),
preparer=strip_whitespace,
title=_('Host'),
widget='string')
port = colander.SchemaNode(
colander.Int(),
default=8095,
description=_('The Port in use by the Atlassian CROWD Server'),
preparer=strip_whitespace,
title=_('Port'),
validator=colander.Range(min=0, max=65536),
widget='int')
app_name = colander.SchemaNode(
colander.String(),
default='',
description=_('The Application Name to authenticate to CROWD'),
preparer=strip_whitespace,
title=_('Application Name'),
widget='string')
app_password = colander.SchemaNode(
colander.String(),
default='',
description=_('The password to authenticate to CROWD'),
preparer=strip_whitespace,
title=_('Application Password'),
widget='password')
admin_groups = colander.SchemaNode(
colander.String(),
default='',
description=_('A comma separated list of group names that identify '
'users as RhodeCode Administrators'),
missing='',
preparer=strip_whitespace,
title=_('Admin Groups'),
widget='string')
class CrowdServer(object):
def __init__(self, *args, **kwargs):
"""
Create a new CrowdServer object that points to IP/Address 'host',
on the given port, and using the given method (https/http). user and
passwd can be set here or with set_credentials. If unspecified,
"version" defaults to "latest".
example::
cserver = CrowdServer(host="127.0.0.1",
port="8095",
user="some_app",
passwd="some_passwd",
version="1")
"""
if not "port" in kwargs:
kwargs["port"] = "8095"
self._logger = kwargs.get("logger", logging.getLogger(__name__))
self._uri = "%s://%s:%s/crowd" % (kwargs.get("method", "http"),
kwargs.get("host", "127.0.0.1"),
kwargs.get("port", "8095"))
self.set_credentials(kwargs.get("user", ""),
kwargs.get("passwd", ""))
self._version = kwargs.get("version", "latest")
self._url_list = None
self._appname = "crowd"
def set_credentials(self, user, passwd):
self.user = user
self.passwd = passwd
self._make_opener()
def _make_opener(self):
mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
mgr.add_password(None, self._uri, self.user, self.passwd)
handler = urllib2.HTTPBasicAuthHandler(mgr)
self.opener = urllib2.build_opener(handler)
def _request(self, url, body=None, headers=None,
method=None, noformat=False,
empty_response_ok=False):
_headers = {"Content-type": "application/json",
"Accept": "application/json"}
if self.user and self.passwd:
authstring = base64.b64encode("%s:%s" % (self.user, self.passwd))
_headers["Authorization"] = "Basic %s" % authstring
if headers:
_headers.update(headers)
log.debug("Sent crowd: \n%s"
% (formatted_json({"url": url, "body": body,
"headers": _headers})))
request = urllib2.Request(url, body, _headers)
if method:
request.get_method = lambda: method
global msg
msg = ""
try:
rdoc = self.opener.open(request)
msg = "".join(rdoc.readlines())
if not msg and empty_response_ok:
rval = {}
rval["status"] = True
rval["error"] = "Response body was empty"
elif not noformat:
rval = json.loads(msg)
rval["status"] = True
else:
rval = "".join(rdoc.readlines())
except Exception as e:
if not noformat:
rval = {"status": False,
"body": body,
"error": str(e) + "\n" + msg}
else:
rval = None
return rval
def user_auth(self, username, password):
"""Authenticate a user against crowd. Returns brief information about
the user."""
url = ("%s/rest/usermanagement/%s/authentication?username=%s"
% (self._uri, self._version, username))
body = json.dumps({"value": password})
return self._request(url, body)
def user_groups(self, username):
"""Retrieve a list of groups to which this user belongs."""
url = ("%s/rest/usermanagement/%s/user/group/nested?username=%s"
% (self._uri, self._version, username))
return self._request(url)
class RhodeCodeAuthPlugin(RhodeCodeExternalAuthPlugin):
_settings_unsafe_keys = ['app_password']
def includeme(self, config):
config.add_authn_plugin(self)
config.add_authn_resource(self.get_id(), CrowdAuthnResource(self))
config.add_view(
'rhodecode.authentication.views.AuthnPluginViewBase',
attr='settings_get',
renderer='rhodecode:templates/admin/auth/plugin_settings.mako',
request_method='GET',
route_name='auth_home',
context=CrowdAuthnResource)
config.add_view(
'rhodecode.authentication.views.AuthnPluginViewBase',
attr='settings_post',
renderer='rhodecode:templates/admin/auth/plugin_settings.mako',
request_method='POST',
route_name='auth_home',
context=CrowdAuthnResource)
def get_settings_schema(self):
return CrowdSettingsSchema()
def get_display_name(self):
return _('CROWD')
@hybrid_property
def name(self):
return "crowd"
def use_fake_password(self):
return True
def user_activation_state(self):
def_user_perms = User.get_default_user().AuthUser().permissions['global']
return 'hg.extern_activate.auto' in def_user_perms
def auth(self, userobj, username, password, settings, **kwargs):
"""
Given a user object (which may be null), username, a plaintext password,
and a settings object (containing all the keys needed as listed in settings()),
authenticate this user's login attempt.
Return None on failure. On success, return a dictionary of the form:
see: RhodeCodeAuthPluginBase.auth_func_attrs
This is later validated for correctness
"""
if not username or not password:
log.debug('Empty username or password skipping...')
return None
log.debug("Crowd settings: \n%s" % (formatted_json(settings)))
server = CrowdServer(**settings)
server.set_credentials(settings["app_name"], settings["app_password"])
crowd_user = server.user_auth(username, password)
log.debug("Crowd returned: \n%s" % (formatted_json(crowd_user)))
if not crowd_user["status"]:
return None
res = server.user_groups(crowd_user["name"])
log.debug("Crowd groups: \n%s" % (formatted_json(res)))
crowd_user["groups"] = [x["name"] for x in res["groups"]]
# old attrs fetched from RhodeCode database
admin = getattr(userobj, 'admin', False)
active = getattr(userobj, 'active', True)
email = getattr(userobj, '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': crowd_user["first-name"] or firstname,
'lastname': crowd_user["last-name"] or lastname,
'groups': crowd_user["groups"],
'user_group_sync': True,
'email': crowd_user["email"] or email,
'admin': admin,
'active': active,
'active_from_extern': crowd_user.get('active'),
'extern_name': crowd_user["name"],
'extern_type': extern_type,
}
# set an admin if we're in admin_groups of crowd
for group in settings["admin_groups"]:
if group in user_attrs["groups"]:
user_attrs["admin"] = True
log.debug("Final crowd user object: \n%s" % (formatted_json(user_attrs)))
log.info('user `%s` authenticated correctly' % user_attrs['username'])
return user_attrs