##// END OF EJS Templates
authn: Renamed auth_container -> auth_headers
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1 # -*- coding: utf-8 -*-
2
3 # Copyright (C) 2012-2016 RhodeCode GmbH
4 #
5 # This program is free software: you can redistribute it and/or modify
6 # it under the terms of the GNU Affero General Public License, version 3
7 # (only), as published by the Free Software Foundation.
8 #
9 # This program is distributed in the hope that it will be useful,
10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 # GNU General Public License for more details.
13 #
14 # You should have received a copy of the GNU Affero General Public License
15 # along with this program. If not, see <http://www.gnu.org/licenses/>.
16 #
17 # This program is dual-licensed. If you wish to learn more about the
18 # RhodeCode Enterprise Edition, including its added features, Support services,
19 # and proprietary license terms, please see https://rhodecode.com/licenses/
20
21 import colander
22 import logging
23
24 from sqlalchemy.ext.hybrid import hybrid_property
25
26 from rhodecode.authentication.base import RhodeCodeExternalAuthPlugin
27 from rhodecode.authentication.schema import AuthnPluginSettingsSchemaBase
28 from rhodecode.authentication.routes import AuthnPluginResourceBase
29 from rhodecode.lib.colander_utils import strip_whitespace
30 from rhodecode.lib.utils2 import str2bool, safe_unicode
31 from rhodecode.model.db import User
32 from rhodecode.translation import _
33
34
35 log = logging.getLogger(__name__)
36
37
38 def plugin_factory(plugin_id, *args, **kwds):
39 """
40 Factory function that is called during plugin discovery.
41 It returns the plugin instance.
42 """
43 plugin = RhodeCodeAuthPlugin(plugin_id)
44 return plugin
45
46
47 class HeadersAuthnResource(AuthnPluginResourceBase):
48 pass
49
50
51 class HeadersSettingsSchema(AuthnPluginSettingsSchemaBase):
52 header = colander.SchemaNode(
53 colander.String(),
54 default='REMOTE_USER',
55 description=_('Header to extract the user from'),
56 preparer=strip_whitespace,
57 title=_('Header'),
58 widget='string')
59 fallback_header = colander.SchemaNode(
60 colander.String(),
61 default='HTTP_X_FORWARDED_USER',
62 description=_('Header to extract the user from when main one fails'),
63 preparer=strip_whitespace,
64 title=_('Fallback header'),
65 widget='string')
66 clean_username = colander.SchemaNode(
67 colander.Boolean(),
68 default=True,
69 description=_('Perform cleaning of user, if passed user has @ in '
70 'username then first part before @ is taken. '
71 'If there\'s \\ in the username only the part after '
72 ' \\ is taken'),
73 missing=False,
74 title=_('Clean username'),
75 widget='bool')
76
77
78 class RhodeCodeAuthPlugin(RhodeCodeExternalAuthPlugin):
79
80 def includeme(self, config):
81 config.add_authn_plugin(self)
82 config.add_authn_resource(self.get_id(), HeadersAuthnResource(self))
83 config.add_view(
84 'rhodecode.authentication.views.AuthnPluginViewBase',
85 attr='settings_get',
86 request_method='GET',
87 route_name='auth_home',
88 context=HeadersAuthnResource)
89 config.add_view(
90 'rhodecode.authentication.views.AuthnPluginViewBase',
91 attr='settings_post',
92 request_method='POST',
93 route_name='auth_home',
94 context=HeadersAuthnResource)
95
96 def get_display_name(self):
97 return _('Headers')
98
99 def get_settings_schema(self):
100 return HeadersSettingsSchema()
101
102 @hybrid_property
103 def name(self):
104 return 'headers'
105
106 @hybrid_property
107 def is_container_auth(self):
108 return True
109
110 def use_fake_password(self):
111 return True
112
113 def user_activation_state(self):
114 def_user_perms = User.get_default_user().AuthUser.permissions['global']
115 return 'hg.extern_activate.auto' in def_user_perms
116
117 def _clean_username(self, username):
118 # Removing realm and domain from username
119 username = username.split('@')[0]
120 username = username.rsplit('\\')[-1]
121 return username
122
123 def _get_username(self, environ, settings):
124 username = None
125 environ = environ or {}
126 if not environ:
127 log.debug('got empty environ: %s' % environ)
128
129 settings = settings or {}
130 if settings.get('header'):
131 header = settings.get('header')
132 username = environ.get(header)
133 log.debug('extracted %s:%s' % (header, username))
134
135 # fallback mode
136 if not username and settings.get('fallback_header'):
137 header = settings.get('fallback_header')
138 username = environ.get(header)
139 log.debug('extracted %s:%s' % (header, username))
140
141 if username and str2bool(settings.get('clean_username')):
142 log.debug('Received username `%s` from headers' % username)
143 username = self._clean_username(username)
144 log.debug('New cleanup user is:%s' % username)
145 return username
146
147 def get_user(self, username=None, **kwargs):
148 """
149 Helper method for user fetching in plugins, by default it's using
150 simple fetch by username, but this method can be custimized in plugins
151 eg. headers auth plugin to fetch user by environ params
152 :param username: username if given to fetch
153 :param kwargs: extra arguments needed for user fetching.
154 """
155 environ = kwargs.get('environ') or {}
156 settings = kwargs.get('settings') or {}
157 username = self._get_username(environ, settings)
158 # we got the username, so use default method now
159 return super(RhodeCodeAuthPlugin, self).get_user(username)
160
161 def auth(self, userobj, username, password, settings, **kwargs):
162 """
163 Get's the headers_auth username (or email). It tries to get username
164 from REMOTE_USER if this plugin is enabled, if that fails
165 it tries to get username from HTTP_X_FORWARDED_USER if fallback header
166 is set. clean_username extracts the username from this data if it's
167 having @ in it.
168 Return None on failure. On success, return a dictionary of the form:
169
170 see: RhodeCodeAuthPluginBase.auth_func_attrs
171
172 :param userobj:
173 :param username:
174 :param password:
175 :param settings:
176 :param kwargs:
177 """
178 environ = kwargs.get('environ')
179 if not environ:
180 log.debug('Empty environ data skipping...')
181 return None
182
183 if not userobj:
184 userobj = self.get_user('', environ=environ, settings=settings)
185
186 # we don't care passed username/password for headers auth plugins.
187 # only way to log in is using environ
188 username = None
189 if userobj:
190 username = getattr(userobj, 'username')
191
192 if not username:
193 # we don't have any objects in DB user doesn't exist extrac username
194 # from environ based on the settings
195 username = self._get_username(environ, settings)
196
197 # if cannot fetch username, it's a no-go for this plugin to proceed
198 if not username:
199 return None
200
201 # old attrs fetched from RhodeCode database
202 admin = getattr(userobj, 'admin', False)
203 active = getattr(userobj, 'active', True)
204 email = getattr(userobj, 'email', '')
205 firstname = getattr(userobj, 'firstname', '')
206 lastname = getattr(userobj, 'lastname', '')
207 extern_type = getattr(userobj, 'extern_type', '')
208
209 user_attrs = {
210 'username': username,
211 'firstname': safe_unicode(firstname or username),
212 'lastname': safe_unicode(lastname or ''),
213 'groups': [],
214 'email': email or '',
215 'admin': admin or False,
216 'active': active,
217 'active_from_extern': True,
218 'extern_name': username,
219 'extern_type': extern_type,
220 }
221
222 log.info('user `%s` authenticated correctly' % user_attrs['username'])
223 return user_attrs
@@ -213,8 +213,8 b' setup('
213 paster_plugins=['PasteScript', 'Pylons'],
213 paster_plugins=['PasteScript', 'Pylons'],
214 entry_points={
214 entry_points={
215 'enterprise.plugins1': [
215 'enterprise.plugins1': [
216 'container=rhodecode.authentication.plugins.auth_container:plugin_factory',
217 'crowd=rhodecode.authentication.plugins.auth_crowd:plugin_factory',
216 'crowd=rhodecode.authentication.plugins.auth_crowd:plugin_factory',
217 'headers=rhodecode.authentication.plugins.auth_headers:plugin_factory',
218 'jasig_cas=rhodecode.authentication.plugins.auth_jasig_cas:plugin_factory',
218 'jasig_cas=rhodecode.authentication.plugins.auth_jasig_cas:plugin_factory',
219 'ldap=rhodecode.authentication.plugins.auth_ldap:plugin_factory',
219 'ldap=rhodecode.authentication.plugins.auth_ldap:plugin_factory',
220 'pam=rhodecode.authentication.plugins.auth_pam:plugin_factory',
220 'pam=rhodecode.authentication.plugins.auth_pam:plugin_factory',
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