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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 logging
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from pyramid.exceptions import ConfigurationError
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from zope.interface import implementer
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from rhodecode.authentication.interface import IAuthnPluginRegistry
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from rhodecode.lib.utils2 import safe_str
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from rhodecode.model.settings import SettingsModel
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log = logging.getLogger(__name__)
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@implementer(IAuthnPluginRegistry)
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class AuthenticationPluginRegistry(object):
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# INI settings key to set a fallback authentication plugin.
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fallback_plugin_key = 'rhodecode.auth_plugin_fallback'
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def __init__(self, settings):
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self._plugins = {}
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self._fallback_plugin = settings.get(self.fallback_plugin_key, None)
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def add_authn_plugin(self, config, plugin):
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plugin_id = plugin.get_id()
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if plugin_id in self._plugins.keys():
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raise ConfigurationError(
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'Cannot register authentication plugin twice: "%s"', plugin_id)
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else:
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log.debug('Register authentication plugin: "%s"', plugin_id)
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self._plugins[plugin_id] = plugin
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def get_plugins(self):
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def sort_key(plugin):
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return str.lower(safe_str(plugin.get_display_name()))
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return sorted(self._plugins.values(), key=sort_key)
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def get_plugin(self, plugin_id):
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return self._plugins.get(plugin_id, None)
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def get_plugins_for_authentication(self):
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"""
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Returns a list of plugins which should be consulted when authenticating
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a user. It only returns plugins which are enabled and active.
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Additionally it includes the fallback plugin from the INI file, if
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`rhodecode.auth_plugin_fallback` is set to a plugin ID.
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"""
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plugins = []
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# Add all enabled and active plugins to the list. We iterate over the
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# auth_plugins setting from DB because it also represents the ordering.
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enabled_plugins = SettingsModel().get_auth_plugins()
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raw_settings = SettingsModel().get_all_settings()
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for plugin_id in enabled_plugins:
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plugin = self.get_plugin(plugin_id)
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if plugin is not None and plugin.is_active(
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plugin_cached_settings=raw_settings):
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plugins.append(plugin)
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# Add the fallback plugin from ini file.
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if self._fallback_plugin:
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log.warn(
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'Using fallback authentication plugin from INI file: "%s"',
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self._fallback_plugin)
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plugin = self.get_plugin(self._fallback_plugin)
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if plugin is not None and plugin not in plugins:
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plugins.append(plugin)
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return plugins
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