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# -*- coding: utf-8 -*-
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# Copyright (C) 2012-2018 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 os
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import logging
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import importlib
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from pkg_resources import iter_entry_points
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from pyramid.authentication import SessionAuthenticationPolicy
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from rhodecode.authentication.registry import AuthenticationPluginRegistry
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from rhodecode.authentication.routes import root_factory
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from rhodecode.authentication.routes import AuthnRootResource
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from rhodecode.apps._base import ADMIN_PREFIX
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from rhodecode.model.settings import SettingsModel
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log = logging.getLogger(__name__)
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# Plugin ID prefixes to distinct between normal and legacy plugins.
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plugin_prefix = 'egg:'
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legacy_plugin_prefix = 'py:'
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# TODO: Currently this is only used to discover the authentication plugins.
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# Later on this may be used in a generic way to look up and include all kinds
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# of supported enterprise plugins. Therefore this has to be moved and
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# refactored to a real 'plugin look up' machinery.
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# TODO: When refactoring this think about splitting it up into distinct
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# discover, load and include phases.
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def _discover_plugins(config, entry_point='enterprise.plugins1'):
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for ep in iter_entry_points(entry_point):
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plugin_id = '{}{}#{}'.format(
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plugin_prefix, ep.dist.project_name, ep.name)
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log.debug('Plugin discovered: "%s"', plugin_id)
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try:
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module = ep.load()
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plugin = module(plugin_id=plugin_id)
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config.include(plugin.includeme)
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except Exception as e:
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log.exception(
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'Exception while loading authentication plugin '
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'"{}": {}'.format(plugin_id, e.message))
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def _import_legacy_plugin(plugin_id):
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module_name = plugin_id.split(legacy_plugin_prefix, 1)[-1]
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module = importlib.import_module(module_name)
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return module.plugin_factory(plugin_id=plugin_id)
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def _discover_legacy_plugins(config, prefix=legacy_plugin_prefix):
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"""
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Function that imports the legacy plugins stored in the 'auth_plugins'
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setting in database which are using the specified prefix. Normally 'py:' is
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used for the legacy plugins.
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"""
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try:
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auth_plugins = SettingsModel().get_setting_by_name('auth_plugins')
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enabled_plugins = auth_plugins.app_settings_value
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legacy_plugins = [id_ for id_ in enabled_plugins if id_.startswith(prefix)]
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except Exception:
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legacy_plugins = []
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for plugin_id in legacy_plugins:
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log.debug('Legacy plugin discovered: "%s"', plugin_id)
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try:
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plugin = _import_legacy_plugin(plugin_id)
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config.include(plugin.includeme)
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except Exception as e:
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log.exception(
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'Exception while loading legacy authentication plugin '
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'"{}": {}'.format(plugin_id, e.message))
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def includeme(config):
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# Set authentication policy.
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authn_policy = SessionAuthenticationPolicy()
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config.set_authentication_policy(authn_policy)
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# Create authentication plugin registry and add it to the pyramid registry.
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authn_registry = AuthenticationPluginRegistry(config.get_settings())
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config.add_directive('add_authn_plugin', authn_registry.add_authn_plugin)
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config.registry.registerUtility(authn_registry)
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# Create authentication traversal root resource.
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authn_root_resource = root_factory()
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config.add_directive('add_authn_resource',
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authn_root_resource.add_authn_resource)
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# Add the authentication traversal route.
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config.add_route('auth_home',
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ADMIN_PREFIX + '/auth*traverse',
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factory=root_factory)
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# Add the authentication settings root views.
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config.add_view('rhodecode.authentication.views.AuthSettingsView',
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attr='index',
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request_method='GET',
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route_name='auth_home',
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context=AuthnRootResource)
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config.add_view('rhodecode.authentication.views.AuthSettingsView',
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attr='auth_settings',
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request_method='POST',
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route_name='auth_home',
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context=AuthnRootResource)
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for key in ['RC_CMD_SETUP_RC', 'RC_CMD_UPGRADE_DB', 'RC_CMD_SSH_WRAPPER']:
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if os.environ.get(key):
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# skip this heavy step below on certain CLI commands
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return
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# Auto discover authentication plugins and include their configuration.
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_discover_plugins(config)
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_discover_legacy_plugins(config)
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