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# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2019 RhodeCode GmbH
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License, version 3
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# (only), as published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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# This program is dual-licensed. If you wish to learn more about the
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# RhodeCode Enterprise Edition, including its added features, Support services,
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# and proprietary license terms, please see https://rhodecode.com/licenses/
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"""
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RhodeCode authentication plugin for Atlassian CROWD
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"""
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import colander
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import base64
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import logging
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import urllib2
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from rhodecode.translation import _
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from rhodecode.authentication.base import (
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RhodeCodeExternalAuthPlugin, hybrid_property)
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from rhodecode.authentication.schema import AuthnPluginSettingsSchemaBase
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from rhodecode.authentication.routes import AuthnPluginResourceBase
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from rhodecode.lib.colander_utils import strip_whitespace
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from rhodecode.lib.ext_json import json, formatted_json
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from rhodecode.model.db import User
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log = logging.getLogger(__name__)
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def plugin_factory(plugin_id, *args, **kwargs):
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"""
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Factory function that is called during plugin discovery.
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It returns the plugin instance.
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"""
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plugin = RhodeCodeAuthPlugin(plugin_id)
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return plugin
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class CrowdAuthnResource(AuthnPluginResourceBase):
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pass
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class CrowdSettingsSchema(AuthnPluginSettingsSchemaBase):
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host = colander.SchemaNode(
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colander.String(),
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default='127.0.0.1',
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description=_('The FQDN or IP of the Atlassian CROWD Server'),
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preparer=strip_whitespace,
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title=_('Host'),
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widget='string')
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port = colander.SchemaNode(
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colander.Int(),
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default=8095,
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description=_('The Port in use by the Atlassian CROWD Server'),
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preparer=strip_whitespace,
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title=_('Port'),
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validator=colander.Range(min=0, max=65536),
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widget='int')
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app_name = colander.SchemaNode(
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colander.String(),
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default='',
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description=_('The Application Name to authenticate to CROWD'),
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preparer=strip_whitespace,
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title=_('Application Name'),
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widget='string')
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app_password = colander.SchemaNode(
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colander.String(),
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default='',
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description=_('The password to authenticate to CROWD'),
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preparer=strip_whitespace,
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title=_('Application Password'),
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widget='password')
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admin_groups = colander.SchemaNode(
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colander.String(),
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default='',
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description=_('A comma separated list of group names that identify '
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'users as RhodeCode Administrators'),
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missing='',
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preparer=strip_whitespace,
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title=_('Admin Groups'),
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widget='string')
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class CrowdServer(object):
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def __init__(self, *args, **kwargs):
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"""
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Create a new CrowdServer object that points to IP/Address 'host',
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on the given port, and using the given method (https/http). user and
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passwd can be set here or with set_credentials. If unspecified,
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"version" defaults to "latest".
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example::
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cserver = CrowdServer(host="127.0.0.1",
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port="8095",
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user="some_app",
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passwd="some_passwd",
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version="1")
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"""
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if not "port" in kwargs:
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kwargs["port"] = "8095"
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self._logger = kwargs.get("logger", logging.getLogger(__name__))
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self._uri = "%s://%s:%s/crowd" % (kwargs.get("method", "http"),
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kwargs.get("host", "127.0.0.1"),
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kwargs.get("port", "8095"))
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self.set_credentials(kwargs.get("user", ""),
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kwargs.get("passwd", ""))
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self._version = kwargs.get("version", "latest")
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self._url_list = None
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self._appname = "crowd"
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def set_credentials(self, user, passwd):
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self.user = user
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self.passwd = passwd
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self._make_opener()
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def _make_opener(self):
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mgr = urllib2.HTTPPasswordMgrWithDefaultRealm()
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mgr.add_password(None, self._uri, self.user, self.passwd)
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handler = urllib2.HTTPBasicAuthHandler(mgr)
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self.opener = urllib2.build_opener(handler)
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def _request(self, url, body=None, headers=None,
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method=None, noformat=False,
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empty_response_ok=False):
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_headers = {"Content-type": "application/json",
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"Accept": "application/json"}
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if self.user and self.passwd:
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authstring = base64.b64encode("%s:%s" % (self.user, self.passwd))
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_headers["Authorization"] = "Basic %s" % authstring
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if headers:
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_headers.update(headers)
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log.debug("Sent crowd: \n%s"
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% (formatted_json({"url": url, "body": body,
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"headers": _headers})))
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request = urllib2.Request(url, body, _headers)
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if method:
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request.get_method = lambda: method
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global msg
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msg = ""
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try:
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rdoc = self.opener.open(request)
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msg = "".join(rdoc.readlines())
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if not msg and empty_response_ok:
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rval = {}
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rval["status"] = True
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rval["error"] = "Response body was empty"
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elif not noformat:
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rval = json.loads(msg)
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rval["status"] = True
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else:
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rval = "".join(rdoc.readlines())
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except Exception as e:
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if not noformat:
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rval = {"status": False,
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"body": body,
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"error": str(e) + "\n" + msg}
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else:
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rval = None
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return rval
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def user_auth(self, username, password):
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"""Authenticate a user against crowd. Returns brief information about
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the user."""
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url = ("%s/rest/usermanagement/%s/authentication?username=%s"
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% (self._uri, self._version, username))
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body = json.dumps({"value": password})
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return self._request(url, body)
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def user_groups(self, username):
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"""Retrieve a list of groups to which this user belongs."""
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url = ("%s/rest/usermanagement/%s/user/group/nested?username=%s"
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% (self._uri, self._version, username))
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return self._request(url)
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class RhodeCodeAuthPlugin(RhodeCodeExternalAuthPlugin):
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uid = 'crowd'
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_settings_unsafe_keys = ['app_password']
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def includeme(self, config):
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config.add_authn_plugin(self)
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config.add_authn_resource(self.get_id(), CrowdAuthnResource(self))
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config.add_view(
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'rhodecode.authentication.views.AuthnPluginViewBase',
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attr='settings_get',
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renderer='rhodecode:templates/admin/auth/plugin_settings.mako',
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request_method='GET',
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route_name='auth_home',
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context=CrowdAuthnResource)
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config.add_view(
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'rhodecode.authentication.views.AuthnPluginViewBase',
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attr='settings_post',
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renderer='rhodecode:templates/admin/auth/plugin_settings.mako',
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request_method='POST',
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route_name='auth_home',
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context=CrowdAuthnResource)
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def get_settings_schema(self):
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return CrowdSettingsSchema()
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def get_display_name(self):
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return _('CROWD')
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@classmethod
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def docs(cls):
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return "https://docs.rhodecode.com/RhodeCode-Enterprise/auth/auth-crowd.html"
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@hybrid_property
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def name(self):
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return u"crowd"
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def use_fake_password(self):
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return True
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def user_activation_state(self):
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def_user_perms = User.get_default_user().AuthUser().permissions['global']
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return 'hg.extern_activate.auto' in def_user_perms
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def auth(self, userobj, username, password, settings, **kwargs):
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"""
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Given a user object (which may be null), username, a plaintext password,
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and a settings object (containing all the keys needed as listed in settings()),
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authenticate this user's login attempt.
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Return None on failure. On success, return a dictionary of the form:
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see: RhodeCodeAuthPluginBase.auth_func_attrs
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This is later validated for correctness
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"""
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if not username or not password:
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log.debug('Empty username or password skipping...')
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return None
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log.debug("Crowd settings: \n%s", formatted_json(settings))
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server = CrowdServer(**settings)
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server.set_credentials(settings["app_name"], settings["app_password"])
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crowd_user = server.user_auth(username, password)
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log.debug("Crowd returned: \n%s", formatted_json(crowd_user))
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if not crowd_user["status"]:
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return None
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res = server.user_groups(crowd_user["name"])
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log.debug("Crowd groups: \n%s", formatted_json(res))
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crowd_user["groups"] = [x["name"] for x in res["groups"]]
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# old attrs fetched from RhodeCode database
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admin = getattr(userobj, 'admin', False)
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active = getattr(userobj, 'active', True)
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email = getattr(userobj, 'email', '')
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username = getattr(userobj, 'username', username)
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firstname = getattr(userobj, 'firstname', '')
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lastname = getattr(userobj, 'lastname', '')
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extern_type = getattr(userobj, 'extern_type', '')
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user_attrs = {
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'username': username,
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'firstname': crowd_user["first-name"] or firstname,
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'lastname': crowd_user["last-name"] or lastname,
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'groups': crowd_user["groups"],
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'user_group_sync': True,
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'email': crowd_user["email"] or email,
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'admin': admin,
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'active': active,
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'active_from_extern': crowd_user.get('active'),
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'extern_name': crowd_user["name"],
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'extern_type': extern_type,
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}
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# set an admin if we're in admin_groups of crowd
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for group in settings["admin_groups"]:
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if group in user_attrs["groups"]:
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user_attrs["admin"] = True
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log.debug("Final crowd user object: \n%s", formatted_json(user_attrs))
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log.info('user `%s` authenticated correctly', user_attrs['username'])
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return user_attrs
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def includeme(config):
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plugin_id = 'egg:rhodecode-enterprise-ce#{}'.format(RhodeCodeAuthPlugin.uid)
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plugin_factory(plugin_id).includeme(config)
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