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# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2016 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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import colander
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import logging
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from sqlalchemy.ext.hybrid import hybrid_property
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from rhodecode.authentication.base import RhodeCodeExternalAuthPlugin
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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.utils2 import str2bool, safe_unicode
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from rhodecode.model.db import User
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from rhodecode.translation import _
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log = logging.getLogger(__name__)
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def plugin_factory(plugin_id, *args, **kwds):
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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 ContainerAuthnResource(AuthnPluginResourceBase):
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pass
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class ContainerSettingsSchema(AuthnPluginSettingsSchemaBase):
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header = colander.SchemaNode(
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colander.String(),
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default='REMOTE_USER',
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description=_('Header to extract the user from'),
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title=_('Header'),
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widget='string')
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fallback_header = colander.SchemaNode(
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colander.String(),
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default='HTTP_X_FORWARDED_USER',
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description=_('Header to extract the user from when main one fails'),
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title=_('Fallback header'),
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widget='string')
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clean_username = colander.SchemaNode(
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colander.Boolean(),
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default=True,
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description=_('Perform cleaning of user, if passed user has @ in '
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'username then first part before @ is taken. '
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'If there\'s \\ in the username only the part after '
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' \\ is taken'),
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missing=False,
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title=_('Clean username'),
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widget='bool')
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class RhodeCodeAuthPlugin(RhodeCodeExternalAuthPlugin):
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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(), ContainerAuthnResource(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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request_method='GET',
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route_name='auth_home',
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context=ContainerAuthnResource)
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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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request_method='POST',
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route_name='auth_home',
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context=ContainerAuthnResource)
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def get_display_name(self):
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return _('Container')
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def get_settings_schema(self):
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return ContainerSettingsSchema()
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@hybrid_property
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def name(self):
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return "container"
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@hybrid_property
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def is_container_auth(self):
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return True
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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 _clean_username(self, username):
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# Removing realm and domain from username
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username = username.split('@')[0]
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username = username.rsplit('\\')[-1]
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return username
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def _get_username(self, environ, settings):
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username = None
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environ = environ or {}
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if not environ:
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log.debug('got empty environ: %s' % environ)
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settings = settings or {}
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if settings.get('header'):
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header = settings.get('header')
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username = environ.get(header)
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log.debug('extracted %s:%s' % (header, username))
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# fallback mode
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if not username and settings.get('fallback_header'):
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header = settings.get('fallback_header')
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username = environ.get(header)
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log.debug('extracted %s:%s' % (header, username))
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if username and str2bool(settings.get('clean_username')):
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log.debug('Received username `%s` from container' % username)
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username = self._clean_username(username)
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log.debug('New cleanup user is:%s' % username)
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return username
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def get_user(self, username=None, **kwargs):
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"""
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Helper method for user fetching in plugins, by default it's using
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simple fetch by username, but this method can be custimized in plugins
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eg. container auth plugin to fetch user by environ params
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:param username: username if given to fetch
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:param kwargs: extra arguments needed for user fetching.
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"""
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environ = kwargs.get('environ') or {}
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settings = kwargs.get('settings') or {}
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username = self._get_username(environ, settings)
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# we got the username, so use default method now
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return super(RhodeCodeAuthPlugin, self).get_user(username)
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def auth(self, userobj, username, password, settings, **kwargs):
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"""
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Get's the container_auth username (or email). It tries to get username
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from REMOTE_USER if this plugin is enabled, if that fails
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it tries to get username from HTTP_X_FORWARDED_USER if fallback header
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is set. clean_username extracts the username from this data if it's
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having @ in it.
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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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:param userobj:
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:param username:
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:param password:
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:param settings:
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:param kwargs:
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"""
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environ = kwargs.get('environ')
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if not environ:
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log.debug('Empty environ data skipping...')
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return None
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if not userobj:
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userobj = self.get_user('', environ=environ, settings=settings)
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# we don't care passed username/password for container auth plugins.
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# only way to log in is using environ
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username = None
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if userobj:
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username = getattr(userobj, 'username')
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if not username:
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# we don't have any objects in DB user doesn't exist extrac username
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# from environ based on the settings
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username = self._get_username(environ, settings)
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# if cannot fetch username, it's a no-go for this plugin to proceed
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if not username:
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return None
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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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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': safe_unicode(firstname or username),
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'lastname': safe_unicode(lastname or ''),
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'groups': [],
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'email': email or '',
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'admin': admin or False,
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'active': active,
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'active_from_extern': True,
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'extern_name': username,
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'extern_type': extern_type,
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}
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log.info('user `%s` authenticated correctly' % user_attrs['username'])
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return user_attrs
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