core: added user-notice logic to push notice messages.

- will be used for exception tracker info
- new version upgrades
- dedicated important messages to the users

rhodecode/lib/dbmigrate/versions/105_version_4_19_0.py

@@ -0,0 +1,35 b''
+# -*- coding: utf-8 -*-
+
+import logging
+from sqlalchemy import *
+
+from alembic.migration import MigrationContext
+from alembic.operations import Operations
+from sqlalchemy import BigInteger
+
+from rhodecode.lib.dbmigrate.versions import _reset_base
+from rhodecode.model import init_model_encryption
+
+
+log = logging.getLogger(__name__)
+
+
+def upgrade(migrate_engine):
+    """
+    Upgrade operations go here.
+    Don't create your own engine; bind migrate_engine to your metadata
+    """
+    _reset_base(migrate_engine)
+    from rhodecode.lib.dbmigrate.schema import db_4_19_0_0 as db
+
+    init_model_encryption(db)
+    db.UserNotice().__table__.create()
+
+
+def downgrade(migrate_engine):
+    meta = MetaData()
+    meta.bind = migrate_engine
+
+
+def fixups(models, _SESSION):
+    pass

rhodecode/__init__.py

@@ -1,57 +1,57 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import os
 import sys
 import platform
 
 VERSION = tuple(open(os.path.join(
     os.path.dirname(__file__), 'VERSION')).read().split('.'))
 
 BACKENDS = {
     'hg': 'Mercurial repository',
     'git': 'Git repository',
     'svn': 'Subversion repository',
 }
 
 CELERY_ENABLED = False
 CELERY_EAGER = False
 
 # link to config for pyramid
 CONFIG = {}
 
 # Populated with the settings dictionary from application init in
 # rhodecode.conf.environment.load_pyramid_environment
 PYRAMID_SETTINGS = {}
 
 # Linked module for extensions
 EXTENSIONS = {}
 
 __version__ = ('.'.join((str(each) for each in VERSION[:3])))
-__dbversion__ = 104  # defines current db version for migrations
+__dbversion__ = 105  # defines current db version for migrations
 __platform__ = platform.system()
 __license__ = 'AGPLv3, and Commercial License'
 __author__ = 'RhodeCode GmbH'
 __url__ = 'https://code.rhodecode.com'
 
 is_windows = __platform__ in ['Windows']
 is_unix = not is_windows
 is_test = False
 disable_error_handler = False

rhodecode/apps/admin/__init__.py

@@ -1,457 +1,462 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 
 from rhodecode.apps._base import ADMIN_PREFIX
 
 
 def admin_routes(config):
     """
     Admin prefixed routes
     """
-
     config.add_route(
         name='admin_audit_logs',
         pattern='/audit_logs')
 
     config.add_route(
         name='admin_audit_log_entry',
         pattern='/audit_logs/{audit_log_id}')
 
     config.add_route(
         name='pull_requests_global_0',  # backward compat
         pattern='/pull_requests/{pull_request_id:\d+}')
     config.add_route(
         name='pull_requests_global_1',  # backward compat
         pattern='/pull-requests/{pull_request_id:\d+}')
     config.add_route(
         name='pull_requests_global',
         pattern='/pull-request/{pull_request_id:\d+}')
 
     config.add_route(
         name='admin_settings_open_source',
         pattern='/settings/open_source')
     config.add_route(
         name='admin_settings_vcs_svn_generate_cfg',
         pattern='/settings/vcs/svn_generate_cfg')
 
     config.add_route(
         name='admin_settings_system',
         pattern='/settings/system')
     config.add_route(
         name='admin_settings_system_update',
         pattern='/settings/system/updates')
 
     config.add_route(
         name='admin_settings_exception_tracker',
         pattern='/settings/exceptions')
     config.add_route(
         name='admin_settings_exception_tracker_delete_all',
         pattern='/settings/exceptions/delete')
     config.add_route(
         name='admin_settings_exception_tracker_show',
         pattern='/settings/exceptions/{exception_id}')
     config.add_route(
         name='admin_settings_exception_tracker_delete',
         pattern='/settings/exceptions/{exception_id}/delete')
 
     config.add_route(
         name='admin_settings_sessions',
         pattern='/settings/sessions')
     config.add_route(
         name='admin_settings_sessions_cleanup',
         pattern='/settings/sessions/cleanup')
 
     config.add_route(
         name='admin_settings_process_management',
         pattern='/settings/process_management')
     config.add_route(
         name='admin_settings_process_management_data',
         pattern='/settings/process_management/data')
     config.add_route(
         name='admin_settings_process_management_signal',
         pattern='/settings/process_management/signal')
     config.add_route(
         name='admin_settings_process_management_master_signal',
         pattern='/settings/process_management/master_signal')
 
     # default settings
     config.add_route(
         name='admin_defaults_repositories',
         pattern='/defaults/repositories')
     config.add_route(
         name='admin_defaults_repositories_update',
         pattern='/defaults/repositories/update')
 
     # admin settings
 
     config.add_route(
         name='admin_settings',
         pattern='/settings')
     config.add_route(
         name='admin_settings_update',
         pattern='/settings/update')
 
     config.add_route(
         name='admin_settings_global',
         pattern='/settings/global')
     config.add_route(
         name='admin_settings_global_update',
         pattern='/settings/global/update')
 
     config.add_route(
         name='admin_settings_vcs',
         pattern='/settings/vcs')
     config.add_route(
         name='admin_settings_vcs_update',
         pattern='/settings/vcs/update')
     config.add_route(
         name='admin_settings_vcs_svn_pattern_delete',
         pattern='/settings/vcs/svn_pattern_delete')
 
     config.add_route(
         name='admin_settings_mapping',
         pattern='/settings/mapping')
     config.add_route(
         name='admin_settings_mapping_update',
         pattern='/settings/mapping/update')
 
     config.add_route(
         name='admin_settings_visual',
         pattern='/settings/visual')
     config.add_route(
         name='admin_settings_visual_update',
         pattern='/settings/visual/update')
 
     config.add_route(
         name='admin_settings_issuetracker',
         pattern='/settings/issue-tracker')
     config.add_route(
         name='admin_settings_issuetracker_update',
         pattern='/settings/issue-tracker/update')
     config.add_route(
         name='admin_settings_issuetracker_test',
         pattern='/settings/issue-tracker/test')
     config.add_route(
         name='admin_settings_issuetracker_delete',
         pattern='/settings/issue-tracker/delete')
 
     config.add_route(
         name='admin_settings_email',
         pattern='/settings/email')
     config.add_route(
         name='admin_settings_email_update',
         pattern='/settings/email/update')
 
     config.add_route(
         name='admin_settings_hooks',
         pattern='/settings/hooks')
     config.add_route(
         name='admin_settings_hooks_update',
         pattern='/settings/hooks/update')
     config.add_route(
         name='admin_settings_hooks_delete',
         pattern='/settings/hooks/delete')
 
     config.add_route(
         name='admin_settings_search',
         pattern='/settings/search')
 
     config.add_route(
         name='admin_settings_labs',
         pattern='/settings/labs')
     config.add_route(
         name='admin_settings_labs_update',
         pattern='/settings/labs/update')
 
     # Automation EE feature
     config.add_route(
         'admin_settings_automation',
         pattern=ADMIN_PREFIX + '/settings/automation')
 
     # global permissions
 
     config.add_route(
         name='admin_permissions_application',
         pattern='/permissions/application')
     config.add_route(
         name='admin_permissions_application_update',
         pattern='/permissions/application/update')
 
     config.add_route(
         name='admin_permissions_global',
         pattern='/permissions/global')
     config.add_route(
         name='admin_permissions_global_update',
         pattern='/permissions/global/update')
 
     config.add_route(
         name='admin_permissions_object',
         pattern='/permissions/object')
     config.add_route(
         name='admin_permissions_object_update',
         pattern='/permissions/object/update')
 
     # Branch perms EE feature
     config.add_route(
         name='admin_permissions_branch',
         pattern='/permissions/branch')
 
     config.add_route(
         name='admin_permissions_ips',
         pattern='/permissions/ips')
 
     config.add_route(
         name='admin_permissions_overview',
         pattern='/permissions/overview')
 
     config.add_route(
         name='admin_permissions_auth_token_access',
         pattern='/permissions/auth_token_access')
 
     config.add_route(
         name='admin_permissions_ssh_keys',
         pattern='/permissions/ssh_keys')
     config.add_route(
         name='admin_permissions_ssh_keys_data',
         pattern='/permissions/ssh_keys/data')
     config.add_route(
         name='admin_permissions_ssh_keys_update',
         pattern='/permissions/ssh_keys/update')
 
     # users admin
     config.add_route(
         name='users',
         pattern='/users')
 
     config.add_route(
         name='users_data',
         pattern='/users_data')
 
     config.add_route(
         name='users_create',
         pattern='/users/create')
 
     config.add_route(
         name='users_new',
         pattern='/users/new')
 
     # user management
     config.add_route(
         name='user_edit',
         pattern='/users/{user_id:\d+}/edit',
         user_route=True)
     config.add_route(
         name='user_edit_advanced',
         pattern='/users/{user_id:\d+}/edit/advanced',
         user_route=True)
     config.add_route(
         name='user_edit_global_perms',
         pattern='/users/{user_id:\d+}/edit/global_permissions',
         user_route=True)
     config.add_route(
         name='user_edit_global_perms_update',
         pattern='/users/{user_id:\d+}/edit/global_permissions/update',
         user_route=True)
     config.add_route(
         name='user_update',
         pattern='/users/{user_id:\d+}/update',
         user_route=True)
     config.add_route(
         name='user_delete',
         pattern='/users/{user_id:\d+}/delete',
         user_route=True)
     config.add_route(
         name='user_enable_force_password_reset',
         pattern='/users/{user_id:\d+}/password_reset_enable',
         user_route=True)
     config.add_route(
         name='user_disable_force_password_reset',
         pattern='/users/{user_id:\d+}/password_reset_disable',
         user_route=True)
     config.add_route(
         name='user_create_personal_repo_group',
         pattern='/users/{user_id:\d+}/create_repo_group',
         user_route=True)
 
+    # user notice
+    config.add_route(
+        name='user_notice_dismiss',
+        pattern='/users/{user_id:\d+}/notice_dismiss',
+        user_route=True)
+
     # user auth tokens
     config.add_route(
         name='edit_user_auth_tokens',
         pattern='/users/{user_id:\d+}/edit/auth_tokens',
         user_route=True)
     config.add_route(
         name='edit_user_auth_tokens_add',
         pattern='/users/{user_id:\d+}/edit/auth_tokens/new',
         user_route=True)
     config.add_route(
         name='edit_user_auth_tokens_delete',
         pattern='/users/{user_id:\d+}/edit/auth_tokens/delete',
         user_route=True)
 
     # user ssh keys
     config.add_route(
         name='edit_user_ssh_keys',
         pattern='/users/{user_id:\d+}/edit/ssh_keys',
         user_route=True)
     config.add_route(
         name='edit_user_ssh_keys_generate_keypair',
         pattern='/users/{user_id:\d+}/edit/ssh_keys/generate',
         user_route=True)
     config.add_route(
         name='edit_user_ssh_keys_add',
         pattern='/users/{user_id:\d+}/edit/ssh_keys/new',
         user_route=True)
     config.add_route(
         name='edit_user_ssh_keys_delete',
         pattern='/users/{user_id:\d+}/edit/ssh_keys/delete',
         user_route=True)
 
     # user emails
     config.add_route(
         name='edit_user_emails',
         pattern='/users/{user_id:\d+}/edit/emails',
         user_route=True)
     config.add_route(
         name='edit_user_emails_add',
         pattern='/users/{user_id:\d+}/edit/emails/new',
         user_route=True)
     config.add_route(
         name='edit_user_emails_delete',
         pattern='/users/{user_id:\d+}/edit/emails/delete',
         user_route=True)
 
     # user IPs
     config.add_route(
         name='edit_user_ips',
         pattern='/users/{user_id:\d+}/edit/ips',
         user_route=True)
     config.add_route(
         name='edit_user_ips_add',
         pattern='/users/{user_id:\d+}/edit/ips/new',
         user_route_with_default=True)  # enabled for default user too
     config.add_route(
         name='edit_user_ips_delete',
         pattern='/users/{user_id:\d+}/edit/ips/delete',
         user_route_with_default=True)  # enabled for default user too
 
     # user perms
     config.add_route(
         name='edit_user_perms_summary',
         pattern='/users/{user_id:\d+}/edit/permissions_summary',
         user_route=True)
     config.add_route(
         name='edit_user_perms_summary_json',
         pattern='/users/{user_id:\d+}/edit/permissions_summary/json',
         user_route=True)
 
     # user user groups management
     config.add_route(
         name='edit_user_groups_management',
         pattern='/users/{user_id:\d+}/edit/groups_management',
         user_route=True)
 
     config.add_route(
         name='edit_user_groups_management_updates',
         pattern='/users/{user_id:\d+}/edit/edit_user_groups_management/updates',
         user_route=True)
 
     # user audit logs
     config.add_route(
         name='edit_user_audit_logs',
         pattern='/users/{user_id:\d+}/edit/audit', user_route=True)
 
     config.add_route(
         name='edit_user_audit_logs_download',
         pattern='/users/{user_id:\d+}/edit/audit/download', user_route=True)
 
     # user caches
     config.add_route(
         name='edit_user_caches',
         pattern='/users/{user_id:\d+}/edit/caches',
         user_route=True)
     config.add_route(
         name='edit_user_caches_update',
         pattern='/users/{user_id:\d+}/edit/caches/update',
         user_route=True)
 
     # user-groups admin
     config.add_route(
         name='user_groups',
         pattern='/user_groups')
 
     config.add_route(
         name='user_groups_data',
         pattern='/user_groups_data')
 
     config.add_route(
         name='user_groups_new',
         pattern='/user_groups/new')
 
     config.add_route(
         name='user_groups_create',
         pattern='/user_groups/create')
 
     # repos admin
     config.add_route(
         name='repos',
         pattern='/repos')
 
     config.add_route(
         name='repos_data',
         pattern='/repos_data')
 
     config.add_route(
         name='repo_new',
         pattern='/repos/new')
 
     config.add_route(
         name='repo_create',
         pattern='/repos/create')
 
     # repo groups admin
     config.add_route(
         name='repo_groups',
         pattern='/repo_groups')
 
     config.add_route(
         name='repo_groups_data',
         pattern='/repo_groups_data')
 
     config.add_route(
         name='repo_group_new',
         pattern='/repo_group/new')
 
     config.add_route(
         name='repo_group_create',
         pattern='/repo_group/create')
 
 
 def includeme(config):
     from rhodecode.apps._base.navigation import includeme as nav_includeme
 
     # Create admin navigation registry and add it to the pyramid registry.
     nav_includeme(config)
 
     # main admin routes
     config.add_route(name='admin_home', pattern=ADMIN_PREFIX)
     config.include(admin_routes, route_prefix=ADMIN_PREFIX)
 
     # Scan module for configuration decorators.
     config.scan('.views', ignore='.tests')

rhodecode/apps/admin/views/users.py

@@ -1,1336 +1,1362 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2016-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 import logging
 import datetime
 import formencode
 import formencode.htmlfill
 
 from pyramid.httpexceptions import HTTPFound
 from pyramid.view import view_config
 from pyramid.renderers import render
 from pyramid.response import Response
 
 from rhodecode import events
 from rhodecode.apps._base import BaseAppView, DataGridAppView, UserAppView
 from rhodecode.apps.ssh_support import SshKeyFileChangeEvent
 from rhodecode.authentication.base import get_authn_registry, RhodeCodeExternalAuthPlugin
 from rhodecode.authentication.plugins import auth_rhodecode
 from rhodecode.events import trigger
-from rhodecode.model.db import true
+from rhodecode.model.db import true, UserNotice
 
 from rhodecode.lib import audit_logger, rc_cache
 from rhodecode.lib.exceptions import (
     UserCreationError, UserOwnsReposException, UserOwnsRepoGroupsException,
     UserOwnsUserGroupsException, DefaultUserException)
 from rhodecode.lib.ext_json import json
 from rhodecode.lib.auth import (
     LoginRequired, HasPermissionAllDecorator, CSRFRequired)
 from rhodecode.lib import helpers as h
 from rhodecode.lib.helpers import SqlPage
 from rhodecode.lib.utils2 import safe_int, safe_unicode, AttributeDict
 from rhodecode.model.auth_token import AuthTokenModel
 from rhodecode.model.forms import (
     UserForm, UserIndividualPermissionsForm, UserPermissionsForm,
     UserExtraEmailForm, UserExtraIpForm)
 from rhodecode.model.permission import PermissionModel
 from rhodecode.model.repo_group import RepoGroupModel
 from rhodecode.model.ssh_key import SshKeyModel
 from rhodecode.model.user import UserModel
 from rhodecode.model.user_group import UserGroupModel
 from rhodecode.model.db import (
     or_, coalesce,IntegrityError, User, UserGroup, UserIpMap, UserEmailMap,
     UserApiKeys, UserSshKeys, RepoGroup)
 from rhodecode.model.meta import Session
 
 log = logging.getLogger(__name__)
 
 
 class AdminUsersView(BaseAppView, DataGridAppView):
 
     def load_default_context(self):
         c = self._get_local_tmpl_context()
         return c
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='users', request_method='GET',
         renderer='rhodecode:templates/admin/users/users.mako')
     def users_list(self):
         c = self.load_default_context()
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         # renderer defined below
         route_name='users_data', request_method='GET',
         renderer='json_ext', xhr=True)
     def users_list_data(self):
         self.load_default_context()
         column_map = {
             'first_name': 'name',
             'last_name': 'lastname',
         }
         draw, start, limit = self._extract_chunk(self.request)
         search_q, order_by, order_dir = self._extract_ordering(
             self.request, column_map=column_map)
         _render = self.request.get_partial_renderer(
             'rhodecode:templates/data_table/_dt_elements.mako')
 
         def user_actions(user_id, username):
             return _render("user_actions", user_id, username)
 
         users_data_total_count = User.query()\
             .filter(User.username != User.DEFAULT_USER) \
             .count()
 
         users_data_total_inactive_count = User.query()\
             .filter(User.username != User.DEFAULT_USER) \
             .filter(User.active != true())\
             .count()
 
         # json generate
         base_q = User.query().filter(User.username != User.DEFAULT_USER)
         base_inactive_q = base_q.filter(User.active != true())
 
         if search_q:
             like_expression = u'%{}%'.format(safe_unicode(search_q))
             base_q = base_q.filter(or_(
                 User.username.ilike(like_expression),
                 User._email.ilike(like_expression),
                 User.name.ilike(like_expression),
                 User.lastname.ilike(like_expression),
             ))
             base_inactive_q = base_q.filter(User.active != true())
 
         users_data_total_filtered_count = base_q.count()
         users_data_total_filtered_inactive_count = base_inactive_q.count()
 
         sort_col = getattr(User, order_by, None)
         if sort_col:
             if order_dir == 'asc':
                 # handle null values properly to order by NULL last
                 if order_by in ['last_activity']:
                     sort_col = coalesce(sort_col, datetime.date.max)
                 sort_col = sort_col.asc()
             else:
                 # handle null values properly to order by NULL last
                 if order_by in ['last_activity']:
                     sort_col = coalesce(sort_col, datetime.date.min)
                 sort_col = sort_col.desc()
 
         base_q = base_q.order_by(sort_col)
         base_q = base_q.offset(start).limit(limit)
 
         users_list = base_q.all()
 
         users_data = []
         for user in users_list:
             users_data.append({
                 "username": h.gravatar_with_user(self.request, user.username),
                 "email": user.email,
                 "first_name": user.first_name,
                 "last_name": user.last_name,
                 "last_login": h.format_date(user.last_login),
                 "last_activity": h.format_date(user.last_activity),
                 "active": h.bool2icon(user.active),
                 "active_raw": user.active,
                 "admin": h.bool2icon(user.admin),
                 "extern_type": user.extern_type,
                 "extern_name": user.extern_name,
                 "action": user_actions(user.user_id, user.username),
             })
         data = ({
             'draw': draw,
             'data': users_data,
             'recordsTotal': users_data_total_count,
             'recordsFiltered': users_data_total_filtered_count,
             'recordsTotalInactive': users_data_total_inactive_count,
             'recordsFilteredInactive': users_data_total_filtered_inactive_count
         })
 
         return data
 
     def _set_personal_repo_group_template_vars(self, c_obj):
         DummyUser = AttributeDict({
             'username': '${username}',
             'user_id': '${user_id}',
         })
         c_obj.default_create_repo_group = RepoGroupModel() \
             .get_default_create_personal_repo_group()
         c_obj.personal_repo_group_name = RepoGroupModel() \
             .get_personal_group_name(DummyUser)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='users_new', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_add.mako')
     def users_new(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.default_extern_type = auth_rhodecode.RhodeCodeAuthPlugin.uid
         self._set_personal_repo_group_template_vars(c)
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='users_create', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_add.mako')
     def users_create(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.default_extern_type = auth_rhodecode.RhodeCodeAuthPlugin.uid
         user_model = UserModel()
         user_form = UserForm(self.request.translate)()
         try:
             form_result = user_form.to_python(dict(self.request.POST))
             user = user_model.create(form_result)
             Session().flush()
             creation_data = user.get_api_data()
             username = form_result['username']
 
             audit_logger.store_web(
                 'user.create', action_data={'data': creation_data},
                 user=c.rhodecode_user)
 
             user_link = h.link_to(
                 h.escape(username),
                 h.route_path('user_edit', user_id=user.user_id))
             h.flash(h.literal(_('Created user %(user_link)s')
                               % {'user_link': user_link}), category='success')
             Session().commit()
         except formencode.Invalid as errors:
             self._set_personal_repo_group_template_vars(c)
             data = render(
                 'rhodecode:templates/admin/users/user_add.mako',
                 self._get_template_context(c), self.request)
             html = formencode.htmlfill.render(
                 data,
                 defaults=errors.value,
                 errors=errors.error_dict or {},
                 prefix_error=False,
                 encoding="UTF-8",
                 force_defaults=False
             )
             return Response(html)
         except UserCreationError as e:
             h.flash(e, 'error')
         except Exception:
             log.exception("Exception creation of user")
             h.flash(_('Error occurred during creation of user %s')
                     % self.request.POST.get('username'), category='error')
         raise HTTPFound(h.route_path('users'))
 
 
 class UsersView(UserAppView):
     ALLOW_SCOPED_TOKENS = False
     """
     This view has alternative version inside EE, if modified please take a look
     in there as well.
     """
 
     def get_auth_plugins(self):
         valid_plugins = []
         authn_registry = get_authn_registry(self.request.registry)
         for plugin in authn_registry.get_plugins_for_authentication():
             if isinstance(plugin, RhodeCodeExternalAuthPlugin):
                 valid_plugins.append(plugin)
             elif plugin.name == 'rhodecode':
                 valid_plugins.append(plugin)
 
         # extend our choices if user has set a bound plugin which isn't enabled at the
         # moment
         extern_type = self.db_user.extern_type
         if extern_type not in [x.uid for x in valid_plugins]:
             try:
                 plugin = authn_registry.get_plugin_by_uid(extern_type)
                 if plugin:
                     valid_plugins.append(plugin)
 
             except Exception:
                 log.exception(
                     'Could not extend user plugins with `{}`'.format(extern_type))
         return valid_plugins
 
     def load_default_context(self):
         req = self.request
 
         c = self._get_local_tmpl_context()
         c.allow_scoped_tokens = self.ALLOW_SCOPED_TOKENS
         c.allowed_languages = [
             ('en', 'English (en)'),
             ('de', 'German (de)'),
             ('fr', 'French (fr)'),
             ('it', 'Italian (it)'),
             ('ja', 'Japanese (ja)'),
             ('pl', 'Polish (pl)'),
             ('pt', 'Portuguese (pt)'),
             ('ru', 'Russian (ru)'),
             ('zh', 'Chinese (zh)'),
         ]
 
         c.allowed_extern_types = [
             (x.uid, x.get_display_name()) for x in self.get_auth_plugins()
         ]
 
         c.available_permissions = req.registry.settings['available_permissions']
         PermissionModel().set_global_permission_choices(
             c, gettext_translator=req.translate)
 
         return c
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='user_update', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_update(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         c.active = 'profile'
         c.extern_type = c.user.extern_type
         c.extern_name = c.user.extern_name
         c.perm_user = c.user.AuthUser(ip_addr=self.request.remote_addr)
         available_languages = [x[0] for x in c.allowed_languages]
         _form = UserForm(self.request.translate, edit=True,
                          available_languages=available_languages,
                          old_data={'user_id': user_id,
                                    'email': c.user.email})()
         form_result = {}
         old_values = c.user.get_api_data()
         try:
             form_result = _form.to_python(dict(self.request.POST))
             skip_attrs = ['extern_name']
             # TODO: plugin should define if username can be updated
             if c.extern_type != "rhodecode":
                 # forbid updating username for external accounts
                 skip_attrs.append('username')
 
             UserModel().update_user(
                 user_id, skip_attrs=skip_attrs, **form_result)
 
             audit_logger.store_web(
                 'user.edit', action_data={'old_data': old_values},
                 user=c.rhodecode_user)
 
             Session().commit()
             h.flash(_('User updated successfully'), category='success')
         except formencode.Invalid as errors:
             data = render(
                 'rhodecode:templates/admin/users/user_edit.mako',
                 self._get_template_context(c), self.request)
             html = formencode.htmlfill.render(
                 data,
                 defaults=errors.value,
                 errors=errors.error_dict or {},
                 prefix_error=False,
                 encoding="UTF-8",
                 force_defaults=False
             )
             return Response(html)
         except UserCreationError as e:
             h.flash(e, 'error')
         except Exception:
             log.exception("Exception updating user")
             h.flash(_('Error occurred during update of user %s')
                     % form_result.get('username'), category='error')
         raise HTTPFound(h.route_path('user_edit', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='user_delete', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_delete(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         _repos = c.user.repositories
         _repo_groups = c.user.repository_groups
         _user_groups = c.user.user_groups
         _artifacts = c.user.artifacts
 
         handle_repos = None
         handle_repo_groups = None
         handle_user_groups = None
         handle_artifacts = None
 
         # calls for flash of handle based on handle case detach or delete
         def set_handle_flash_repos():
             handle = handle_repos
             if handle == 'detach':
                 h.flash(_('Detached %s repositories') % len(_repos),
                         category='success')
             elif handle == 'delete':
                 h.flash(_('Deleted %s repositories') % len(_repos),
                         category='success')
 
         def set_handle_flash_repo_groups():
             handle = handle_repo_groups
             if handle == 'detach':
                 h.flash(_('Detached %s repository groups') % len(_repo_groups),
                         category='success')
             elif handle == 'delete':
                 h.flash(_('Deleted %s repository groups') % len(_repo_groups),
                         category='success')
 
         def set_handle_flash_user_groups():
             handle = handle_user_groups
             if handle == 'detach':
                 h.flash(_('Detached %s user groups') % len(_user_groups),
                         category='success')
             elif handle == 'delete':
                 h.flash(_('Deleted %s user groups') % len(_user_groups),
                         category='success')
 
         def set_handle_flash_artifacts():
             handle = handle_artifacts
             if handle == 'detach':
                 h.flash(_('Detached %s artifacts') % len(_artifacts),
                         category='success')
             elif handle == 'delete':
                 h.flash(_('Deleted %s artifacts') % len(_artifacts),
                         category='success')
 
         if _repos and self.request.POST.get('user_repos'):
             handle_repos = self.request.POST['user_repos']
 
         if _repo_groups and self.request.POST.get('user_repo_groups'):
             handle_repo_groups = self.request.POST['user_repo_groups']
 
         if _user_groups and self.request.POST.get('user_user_groups'):
             handle_user_groups = self.request.POST['user_user_groups']
 
         if _artifacts and self.request.POST.get('user_artifacts'):
             handle_artifacts = self.request.POST['user_artifacts']
 
         old_values = c.user.get_api_data()
 
         try:
             UserModel().delete(c.user, handle_repos=handle_repos,
                                handle_repo_groups=handle_repo_groups,
                                handle_user_groups=handle_user_groups,
                                handle_artifacts=handle_artifacts)
 
             audit_logger.store_web(
                 'user.delete', action_data={'old_data': old_values},
                 user=c.rhodecode_user)
 
             Session().commit()
             set_handle_flash_repos()
             set_handle_flash_repo_groups()
             set_handle_flash_user_groups()
             set_handle_flash_artifacts()
             username = h.escape(old_values['username'])
             h.flash(_('Successfully deleted user `{}`').format(username), category='success')
         except (UserOwnsReposException, UserOwnsRepoGroupsException,
                 UserOwnsUserGroupsException, DefaultUserException) as e:
             h.flash(e, category='warning')
         except Exception:
             log.exception("Exception during deletion of user")
             h.flash(_('An error occurred during deletion of user'),
                     category='error')
         raise HTTPFound(h.route_path('users'))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='user_edit', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_edit(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'profile'
         c.extern_type = c.user.extern_type
         c.extern_name = c.user.extern_name
         c.perm_user = c.user.AuthUser(ip_addr=self.request.remote_addr)
 
         defaults = c.user.get_dict()
         defaults.update({'language': c.user.user_data.get('language')})
 
         data = render(
             'rhodecode:templates/admin/users/user_edit.mako',
             self._get_template_context(c), self.request)
         html = formencode.htmlfill.render(
             data,
             defaults=defaults,
             encoding="UTF-8",
             force_defaults=False
         )
         return Response(html)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='user_edit_advanced', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_edit_advanced(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         c.active = 'advanced'
         c.personal_repo_group = RepoGroup.get_user_personal_repo_group(user_id)
         c.personal_repo_group_name = RepoGroupModel()\
             .get_personal_group_name(c.user)
 
         c.user_to_review_rules = sorted(
             (x.user for x in c.user.user_review_rules),
             key=lambda u: u.username.lower())
 
         c.first_admin = User.get_first_super_admin()
         defaults = c.user.get_dict()
 
         # Interim workaround if the user participated on any pull requests as a
         # reviewer.
         has_review = len(c.user.reviewer_pull_requests)
         c.can_delete_user = not has_review
         c.can_delete_user_message = ''
         inactive_link = h.link_to(
             'inactive', h.route_path('user_edit', user_id=user_id, _anchor='active'))
         if has_review == 1:
             c.can_delete_user_message = h.literal(_(
                 'The user participates as reviewer in {} pull request and '
                 'cannot be deleted. \nYou can set the user to '
                 '"{}" instead of deleting it.').format(
                 has_review, inactive_link))
         elif has_review:
             c.can_delete_user_message = h.literal(_(
                 'The user participates as reviewer in {} pull requests and '
                 'cannot be deleted. \nYou can set the user to '
                 '"{}" instead of deleting it.').format(
                 has_review, inactive_link))
 
         data = render(
             'rhodecode:templates/admin/users/user_edit.mako',
             self._get_template_context(c), self.request)
         html = formencode.htmlfill.render(
             data,
             defaults=defaults,
             encoding="UTF-8",
             force_defaults=False
         )
         return Response(html)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='user_edit_global_perms', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_edit_global_perms(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'global_perms'
 
         c.default_user = User.get_default_user()
         defaults = c.user.get_dict()
         defaults.update(c.default_user.get_default_perms(suffix='_inherited'))
         defaults.update(c.default_user.get_default_perms())
         defaults.update(c.user.get_default_perms())
 
         data = render(
             'rhodecode:templates/admin/users/user_edit.mako',
             self._get_template_context(c), self.request)
         html = formencode.htmlfill.render(
             data,
             defaults=defaults,
             encoding="UTF-8",
             force_defaults=False
         )
         return Response(html)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='user_edit_global_perms_update', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_edit_global_perms_update(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         c.active = 'global_perms'
         try:
             # first stage that verifies the checkbox
             _form = UserIndividualPermissionsForm(self.request.translate)
             form_result = _form.to_python(dict(self.request.POST))
             inherit_perms = form_result['inherit_default_permissions']
             c.user.inherit_default_permissions = inherit_perms
             Session().add(c.user)
 
             if not inherit_perms:
                 # only update the individual ones if we un check the flag
                 _form = UserPermissionsForm(
                     self.request.translate,
                     [x[0] for x in c.repo_create_choices],
                     [x[0] for x in c.repo_create_on_write_choices],
                     [x[0] for x in c.repo_group_create_choices],
                     [x[0] for x in c.user_group_create_choices],
                     [x[0] for x in c.fork_choices],
                     [x[0] for x in c.inherit_default_permission_choices])()
 
                 form_result = _form.to_python(dict(self.request.POST))
                 form_result.update({'perm_user_id': c.user.user_id})
 
                 PermissionModel().update_user_permissions(form_result)
 
             # TODO(marcink): implement global permissions
             # audit_log.store_web('user.edit.permissions')
 
             Session().commit()
 
             h.flash(_('User global permissions updated successfully'),
                     category='success')
 
         except formencode.Invalid as errors:
             data = render(
                 'rhodecode:templates/admin/users/user_edit.mako',
                 self._get_template_context(c), self.request)
             html = formencode.htmlfill.render(
                 data,
                 defaults=errors.value,
                 errors=errors.error_dict or {},
                 prefix_error=False,
                 encoding="UTF-8",
                 force_defaults=False
             )
             return Response(html)
         except Exception:
             log.exception("Exception during permissions saving")
             h.flash(_('An error occurred during permissions saving'),
                     category='error')
 
         affected_user_ids = [user_id]
         PermissionModel().trigger_permission_flush(affected_user_ids)
         raise HTTPFound(h.route_path('user_edit_global_perms', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='user_enable_force_password_reset', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_enable_force_password_reset(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         try:
             c.user.update_userdata(force_password_change=True)
 
             msg = _('Force password change enabled for user')
             audit_logger.store_web('user.edit.password_reset.enabled',
                                    user=c.rhodecode_user)
 
             Session().commit()
             h.flash(msg, category='success')
         except Exception:
             log.exception("Exception during password reset for user")
             h.flash(_('An error occurred during password reset for user'),
                     category='error')
 
         raise HTTPFound(h.route_path('user_edit_advanced', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='user_disable_force_password_reset', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_disable_force_password_reset(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         try:
             c.user.update_userdata(force_password_change=False)
 
             msg = _('Force password change disabled for user')
             audit_logger.store_web(
                 'user.edit.password_reset.disabled',
                 user=c.rhodecode_user)
 
             Session().commit()
             h.flash(msg, category='success')
         except Exception:
             log.exception("Exception during password reset for user")
             h.flash(_('An error occurred during password reset for user'),
                     category='error')
 
         raise HTTPFound(h.route_path('user_edit_advanced', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
+        route_name='user_notice_dismiss', request_method='POST',
+        renderer='json_ext', xhr=True)
+    def user_notice_dismiss(self):
+        _ = self.request.translate
+        c = self.load_default_context()
+
+        user_id = self.db_user_id
+        c.user = self.db_user
+        user_notice_id = safe_int(self.request.POST.get('notice_id'))
+        notice = UserNotice().query()\
+            .filter(UserNotice.user_id == user_id)\
+            .filter(UserNotice.user_notice_id == user_notice_id)\
+            .scalar()
+        read = False
+        if notice:
+            notice.notice_read = True
+            Session().add(notice)
+            Session().commit()
+            read = True
+
+        return {'notice': user_notice_id, 'read': read}
+
+    @LoginRequired()
+    @HasPermissionAllDecorator('hg.admin')
+    @CSRFRequired()
+    @view_config(
         route_name='user_create_personal_repo_group', request_method='POST',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_create_personal_repo_group(self):
         """
         Create personal repository group for this user
         """
         from rhodecode.model.repo_group import RepoGroupModel
 
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         personal_repo_group = RepoGroup.get_user_personal_repo_group(
             c.user.user_id)
         if personal_repo_group:
             raise HTTPFound(h.route_path('user_edit_advanced', user_id=user_id))
 
         personal_repo_group_name = RepoGroupModel().get_personal_group_name(c.user)
         named_personal_group = RepoGroup.get_by_group_name(
             personal_repo_group_name)
         try:
 
             if named_personal_group and named_personal_group.user_id == c.user.user_id:
                 # migrate the same named group, and mark it as personal
                 named_personal_group.personal = True
                 Session().add(named_personal_group)
                 Session().commit()
                 msg = _('Linked repository group `%s` as personal' % (
                     personal_repo_group_name,))
                 h.flash(msg, category='success')
             elif not named_personal_group:
                 RepoGroupModel().create_personal_repo_group(c.user)
 
                 msg = _('Created repository group `%s`' % (
                     personal_repo_group_name,))
                 h.flash(msg, category='success')
             else:
                 msg = _('Repository group `%s` is already taken' % (
                     personal_repo_group_name,))
                 h.flash(msg, category='warning')
         except Exception:
             log.exception("Exception during repository group creation")
             msg = _(
                 'An error occurred during repository group creation for user')
             h.flash(msg, category='error')
             Session().rollback()
 
         raise HTTPFound(h.route_path('user_edit_advanced', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_auth_tokens', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def auth_tokens(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'auth_tokens'
 
         c.lifetime_values = AuthTokenModel.get_lifetime_values(translator=_)
         c.role_values = [
             (x, AuthTokenModel.cls._get_role_name(x))
             for x in AuthTokenModel.cls.ROLES]
         c.role_options = [(c.role_values, _("Role"))]
         c.user_auth_tokens = AuthTokenModel().get_auth_tokens(
             c.user.user_id, show_expired=True)
         c.role_vcs = AuthTokenModel.cls.ROLE_VCS
         return self._get_template_context(c)
 
     def maybe_attach_token_scope(self, token):
         # implemented in EE edition
         pass
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_auth_tokens_add', request_method='POST')
     def auth_tokens_add(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_data = c.user.get_api_data()
         lifetime = safe_int(self.request.POST.get('lifetime'), -1)
         description = self.request.POST.get('description')
         role = self.request.POST.get('role')
 
         token = UserModel().add_auth_token(
             user=c.user.user_id,
             lifetime_minutes=lifetime, role=role, description=description,
             scope_callback=self.maybe_attach_token_scope)
         token_data = token.get_api_data()
 
         audit_logger.store_web(
             'user.edit.token.add', action_data={
                 'data': {'token': token_data, 'user': user_data}},
             user=self._rhodecode_user, )
         Session().commit()
 
         h.flash(_("Auth token successfully created"), category='success')
         return HTTPFound(h.route_path('edit_user_auth_tokens', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_auth_tokens_delete', request_method='POST')
     def auth_tokens_delete(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_data = c.user.get_api_data()
 
         del_auth_token = self.request.POST.get('del_auth_token')
 
         if del_auth_token:
             token = UserApiKeys.get_or_404(del_auth_token)
             token_data = token.get_api_data()
 
             AuthTokenModel().delete(del_auth_token, c.user.user_id)
             audit_logger.store_web(
                 'user.edit.token.delete', action_data={
                     'data': {'token': token_data, 'user': user_data}},
                 user=self._rhodecode_user,)
             Session().commit()
             h.flash(_("Auth token successfully deleted"), category='success')
 
         return HTTPFound(h.route_path('edit_user_auth_tokens', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_ssh_keys', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def ssh_keys(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'ssh_keys'
         c.default_key = self.request.GET.get('default_key')
         c.user_ssh_keys = SshKeyModel().get_ssh_keys(c.user.user_id)
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_ssh_keys_generate_keypair', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def ssh_keys_generate_keypair(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         c.user = self.db_user
 
         c.active = 'ssh_keys_generate'
         comment = 'RhodeCode-SSH {}'.format(c.user.email or '')
         private_format = self.request.GET.get('private_format') \
                          or SshKeyModel.DEFAULT_PRIVATE_KEY_FORMAT
         c.private, c.public = SshKeyModel().generate_keypair(
             comment=comment, private_format=private_format)
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_ssh_keys_add', request_method='POST')
     def ssh_keys_add(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_data = c.user.get_api_data()
         key_data = self.request.POST.get('key_data')
         description = self.request.POST.get('description')
 
         fingerprint = 'unknown'
         try:
             if not key_data:
                 raise ValueError('Please add a valid public key')
 
             key = SshKeyModel().parse_key(key_data.strip())
             fingerprint = key.hash_md5()
 
             ssh_key = SshKeyModel().create(
                 c.user.user_id, fingerprint, key.keydata, description)
             ssh_key_data = ssh_key.get_api_data()
 
             audit_logger.store_web(
                 'user.edit.ssh_key.add', action_data={
                     'data': {'ssh_key': ssh_key_data, 'user': user_data}},
                 user=self._rhodecode_user, )
             Session().commit()
 
             # Trigger an event on change of keys.
             trigger(SshKeyFileChangeEvent(), self.request.registry)
 
             h.flash(_("Ssh Key successfully created"), category='success')
 
         except IntegrityError:
             log.exception("Exception during ssh key saving")
             err = 'Such key with fingerprint `{}` already exists, ' \
                   'please use a different one'.format(fingerprint)
             h.flash(_('An error occurred during ssh key saving: {}').format(err),
                     category='error')
         except Exception as e:
             log.exception("Exception during ssh key saving")
             h.flash(_('An error occurred during ssh key saving: {}').format(e),
                     category='error')
 
         return HTTPFound(
             h.route_path('edit_user_ssh_keys', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_ssh_keys_delete', request_method='POST')
     def ssh_keys_delete(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_data = c.user.get_api_data()
 
         del_ssh_key = self.request.POST.get('del_ssh_key')
 
         if del_ssh_key:
             ssh_key = UserSshKeys.get_or_404(del_ssh_key)
             ssh_key_data = ssh_key.get_api_data()
 
             SshKeyModel().delete(del_ssh_key, c.user.user_id)
             audit_logger.store_web(
                 'user.edit.ssh_key.delete', action_data={
                     'data': {'ssh_key': ssh_key_data, 'user': user_data}},
                 user=self._rhodecode_user,)
             Session().commit()
             # Trigger an event on change of keys.
             trigger(SshKeyFileChangeEvent(), self.request.registry)
             h.flash(_("Ssh key successfully deleted"), category='success')
 
         return HTTPFound(h.route_path('edit_user_ssh_keys', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_emails', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def emails(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'emails'
         c.user_email_map = UserEmailMap.query() \
             .filter(UserEmailMap.user == c.user).all()
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_emails_add', request_method='POST')
     def emails_add(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         email = self.request.POST.get('new_email')
         user_data = c.user.get_api_data()
         try:
 
             form = UserExtraEmailForm(self.request.translate)()
             data = form.to_python({'email': email})
             email = data['email']
 
             UserModel().add_extra_email(c.user.user_id, email)
             audit_logger.store_web(
                 'user.edit.email.add',
                 action_data={'email': email, 'user': user_data},
                 user=self._rhodecode_user)
             Session().commit()
             h.flash(_("Added new email address `%s` for user account") % email,
                     category='success')
         except formencode.Invalid as error:
             h.flash(h.escape(error.error_dict['email']), category='error')
         except IntegrityError:
             log.warning("Email %s already exists", email)
             h.flash(_('Email `{}` is already registered for another user.').format(email),
                     category='error')
         except Exception:
             log.exception("Exception during email saving")
             h.flash(_('An error occurred during email saving'),
                     category='error')
         raise HTTPFound(h.route_path('edit_user_emails', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_emails_delete', request_method='POST')
     def emails_delete(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         email_id = self.request.POST.get('del_email_id')
         user_model = UserModel()
 
         email = UserEmailMap.query().get(email_id).email
         user_data = c.user.get_api_data()
         user_model.delete_extra_email(c.user.user_id, email_id)
         audit_logger.store_web(
             'user.edit.email.delete',
             action_data={'email': email, 'user': user_data},
             user=self._rhodecode_user)
         Session().commit()
         h.flash(_("Removed email address from user account"),
                 category='success')
         raise HTTPFound(h.route_path('edit_user_emails', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_ips', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def ips(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'ips'
         c.user_ip_map = UserIpMap.query() \
             .filter(UserIpMap.user == c.user).all()
 
         c.inherit_default_ips = c.user.inherit_default_permissions
         c.default_user_ip_map = UserIpMap.query() \
             .filter(UserIpMap.user == User.get_default_user()).all()
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_ips_add', request_method='POST')
     # NOTE(marcink): this view is allowed for default users, as we can
     # edit their IP white list
     def ips_add(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_model = UserModel()
         desc = self.request.POST.get('description')
         try:
             ip_list = user_model.parse_ip_range(
                 self.request.POST.get('new_ip'))
         except Exception as e:
             ip_list = []
             log.exception("Exception during ip saving")
             h.flash(_('An error occurred during ip saving:%s' % (e,)),
                     category='error')
         added = []
         user_data = c.user.get_api_data()
         for ip in ip_list:
             try:
                 form = UserExtraIpForm(self.request.translate)()
                 data = form.to_python({'ip': ip})
                 ip = data['ip']
 
                 user_model.add_extra_ip(c.user.user_id, ip, desc)
                 audit_logger.store_web(
                     'user.edit.ip.add',
                     action_data={'ip': ip, 'user': user_data},
                     user=self._rhodecode_user)
                 Session().commit()
                 added.append(ip)
             except formencode.Invalid as error:
                 msg = error.error_dict['ip']
                 h.flash(msg, category='error')
             except Exception:
                 log.exception("Exception during ip saving")
                 h.flash(_('An error occurred during ip saving'),
                         category='error')
         if added:
             h.flash(
                 _("Added ips %s to user whitelist") % (', '.join(ip_list), ),
                 category='success')
         if 'default_user' in self.request.POST:
             # case for editing global IP list we do it for 'DEFAULT' user
             raise HTTPFound(h.route_path('admin_permissions_ips'))
         raise HTTPFound(h.route_path('edit_user_ips', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_ips_delete', request_method='POST')
     # NOTE(marcink): this view is allowed for default users, as we can
     # edit their IP white list
     def ips_delete(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         ip_id = self.request.POST.get('del_ip_id')
         user_model = UserModel()
         user_data = c.user.get_api_data()
         ip = UserIpMap.query().get(ip_id).ip_addr
         user_model.delete_extra_ip(c.user.user_id, ip_id)
         audit_logger.store_web(
             'user.edit.ip.delete', action_data={'ip': ip, 'user': user_data},
             user=self._rhodecode_user)
         Session().commit()
         h.flash(_("Removed ip address from user whitelist"), category='success')
 
         if 'default_user' in self.request.POST:
             # case for editing global IP list we do it for 'DEFAULT' user
             raise HTTPFound(h.route_path('admin_permissions_ips'))
         raise HTTPFound(h.route_path('edit_user_ips', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_groups_management', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def groups_management(self):
         c = self.load_default_context()
         c.user = self.db_user
         c.data = c.user.group_member
 
         groups = [UserGroupModel.get_user_groups_as_dict(group.users_group)
                   for group in c.user.group_member]
         c.groups = json.dumps(groups)
         c.active = 'groups'
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_groups_management_updates', request_method='POST')
     def groups_management_updates(self):
         _ = self.request.translate
         c = self.load_default_context()
 
         user_id = self.db_user_id
         c.user = self.db_user
 
         user_groups = set(self.request.POST.getall('users_group_id'))
         user_groups_objects = []
 
         for ugid in user_groups:
             user_groups_objects.append(
                 UserGroupModel().get_group(safe_int(ugid)))
         user_group_model = UserGroupModel()
         added_to_groups, removed_from_groups = \
             user_group_model.change_groups(c.user, user_groups_objects)
 
         user_data = c.user.get_api_data()
         for user_group_id in added_to_groups:
             user_group = UserGroup.get(user_group_id)
             old_values = user_group.get_api_data()
             audit_logger.store_web(
                 'user_group.edit.member.add',
                 action_data={'user': user_data, 'old_data': old_values},
                 user=self._rhodecode_user)
 
         for user_group_id in removed_from_groups:
             user_group = UserGroup.get(user_group_id)
             old_values = user_group.get_api_data()
             audit_logger.store_web(
                 'user_group.edit.member.delete',
                 action_data={'user': user_data, 'old_data': old_values},
                 user=self._rhodecode_user)
 
         Session().commit()
         c.active = 'user_groups_management'
         h.flash(_("Groups successfully changed"), category='success')
 
         return HTTPFound(h.route_path(
             'edit_user_groups_management', user_id=user_id))
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_audit_logs', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_audit_logs(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'audit'
 
         p = safe_int(self.request.GET.get('page', 1), 1)
 
         filter_term = self.request.GET.get('filter')
         user_log = UserModel().get_user_log(c.user, filter_term)
 
         def url_generator(page_num):
             query_params = {
                 'page': page_num
             }
             if filter_term:
                 query_params['filter'] = filter_term
             return self.request.current_route_path(_query=query_params)
 
         c.audit_logs = SqlPage(
             user_log, page=p, items_per_page=10, url_maker=url_generator)
         c.filter_term = filter_term
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_audit_logs_download', request_method='GET',
         renderer='string')
     def user_audit_logs_download(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         user_log = UserModel().get_user_log(c.user, filter_term=None)
 
         audit_log_data = {}
         for entry in user_log:
             audit_log_data[entry.user_log_id] = entry.get_dict()
 
         response = Response(json.dumps(audit_log_data, indent=4))
         response.content_disposition = str(
             'attachment; filename=%s' % 'user_{}_audit_logs.json'.format(c.user.user_id))
         response.content_type = 'application/json'
 
         return response
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_perms_summary', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_perms_summary(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'perms_summary'
         c.perm_user = c.user.AuthUser(ip_addr=self.request.remote_addr)
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_perms_summary_json', request_method='GET',
         renderer='json_ext')
     def user_perms_summary_json(self):
         self.load_default_context()
         perm_user = self.db_user.AuthUser(ip_addr=self.request.remote_addr)
 
         return perm_user.permissions
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @view_config(
         route_name='edit_user_caches', request_method='GET',
         renderer='rhodecode:templates/admin/users/user_edit.mako')
     def user_caches(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'caches'
         c.perm_user = c.user.AuthUser(ip_addr=self.request.remote_addr)
 
         cache_namespace_uid = 'cache_user_auth.{}'.format(self.db_user.user_id)
         c.region = rc_cache.get_or_create_region('cache_perms', cache_namespace_uid)
         c.backend = c.region.backend
         c.user_keys = sorted(c.region.backend.list_keys(prefix=cache_namespace_uid))
 
         return self._get_template_context(c)
 
     @LoginRequired()
     @HasPermissionAllDecorator('hg.admin')
     @CSRFRequired()
     @view_config(
         route_name='edit_user_caches_update', request_method='POST')
     def user_caches_update(self):
         _ = self.request.translate
         c = self.load_default_context()
         c.user = self.db_user
 
         c.active = 'caches'
         c.perm_user = c.user.AuthUser(ip_addr=self.request.remote_addr)
 
         cache_namespace_uid = 'cache_user_auth.{}'.format(self.db_user.user_id)
         del_keys = rc_cache.clear_cache_namespace('cache_perms', cache_namespace_uid)
 
         h.flash(_("Deleted {} cache keys").format(del_keys), category='success')
 
         return HTTPFound(h.route_path(
             'edit_user_caches', user_id=c.user.user_id))

rhodecode/lib/auth.py

@@ -1,2413 +1,2446 b''
 # -*- coding: utf-8 -*-
 
 # Copyright (C) 2010-2019 RhodeCode GmbH
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License, version 3
 # (only), as published by the Free Software Foundation.
 #
 # This program is distributed in the hope that it will be useful,
 # but WITHOUT ANY WARRANTY; without even the implied warranty of
 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 # GNU General Public License for more details.
 #
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #
 # This program is dual-licensed. If you wish to learn more about the
 # RhodeCode Enterprise Edition, including its added features, Support services,
 # and proprietary license terms, please see https://rhodecode.com/licenses/
 
 """
 authentication and permission libraries
 """
 
 import os
+
+import colander
 import time
 import collections
 import fnmatch
 import hashlib
 import itertools
 import logging
 import random
 import traceback
 from functools import wraps
 
 import ipaddress
 
 from pyramid.httpexceptions import HTTPForbidden, HTTPFound, HTTPNotFound
 from sqlalchemy.orm.exc import ObjectDeletedError
 from sqlalchemy.orm import joinedload
 from zope.cachedescriptors.property import Lazy as LazyProperty
 
 import rhodecode
 from rhodecode.model import meta
 from rhodecode.model.meta import Session
 from rhodecode.model.user import UserModel
 from rhodecode.model.db import (
-    User, Repository, Permission, UserToPerm, UserGroupToPerm, UserGroupMember,
-    UserIpMap, UserApiKeys, RepoGroup, UserGroup)
+    false, User, Repository, Permission, UserToPerm, UserGroupToPerm, UserGroupMember,
+    UserIpMap, UserApiKeys, RepoGroup, UserGroup, UserNotice)
 from rhodecode.lib import rc_cache
 from rhodecode.lib.utils2 import safe_unicode, aslist, safe_str, md5, safe_int, sha1
 from rhodecode.lib.utils import (
     get_repo_slug, get_repo_group_slug, get_user_group_slug)
 from rhodecode.lib.caching_query import FromCache
 
-
 if rhodecode.is_unix:
     import bcrypt
 
 log = logging.getLogger(__name__)
 
 csrf_token_key = "csrf_token"
 
 
 class PasswordGenerator(object):
     """
     This is a simple class for generating password from different sets of
     characters
     usage::
         passwd_gen = PasswordGenerator()
         #print 8-letter password containing only big and small letters
             of alphabet
         passwd_gen.gen_password(8, passwd_gen.ALPHABETS_BIG_SMALL)
     """
     ALPHABETS_NUM = r'''1234567890'''
     ALPHABETS_SMALL = r'''qwertyuiopasdfghjklzxcvbnm'''
     ALPHABETS_BIG = r'''QWERTYUIOPASDFGHJKLZXCVBNM'''
     ALPHABETS_SPECIAL = r'''`-=[]\;',./~!@#$%^&*()_+{}|:"<>?'''
     ALPHABETS_FULL = ALPHABETS_BIG + ALPHABETS_SMALL \
         + ALPHABETS_NUM + ALPHABETS_SPECIAL
     ALPHABETS_ALPHANUM = ALPHABETS_BIG + ALPHABETS_SMALL + ALPHABETS_NUM
     ALPHABETS_BIG_SMALL = ALPHABETS_BIG + ALPHABETS_SMALL
     ALPHABETS_ALPHANUM_BIG = ALPHABETS_BIG + ALPHABETS_NUM
     ALPHABETS_ALPHANUM_SMALL = ALPHABETS_SMALL + ALPHABETS_NUM
 
     def __init__(self, passwd=''):
         self.passwd = passwd
 
     def gen_password(self, length, type_=None):
         if type_ is None:
             type_ = self.ALPHABETS_FULL
         self.passwd = ''.join([random.choice(type_) for _ in range(length)])
         return self.passwd
 
 
 class _RhodeCodeCryptoBase(object):
     ENC_PREF = None
 
     def hash_create(self, str_):
         """
         hash the string using
 
         :param str_: password to hash
         """
         raise NotImplementedError
 
     def hash_check_with_upgrade(self, password, hashed):
         """
         Returns tuple in which first element is boolean that states that
         given password matches it's hashed version, and the second is new hash
         of the password, in case this password should be migrated to new
         cipher.
         """
         checked_hash = self.hash_check(password, hashed)
         return checked_hash, None
 
     def hash_check(self, password, hashed):
         """
         Checks matching password with it's hashed value.
 
         :param password: password
         :param hashed: password in hashed form
         """
         raise NotImplementedError
 
     def _assert_bytes(self, value):
         """
         Passing in an `unicode` object can lead to hard to detect issues
         if passwords contain non-ascii characters.  Doing a type check
         during runtime, so that such mistakes are detected early on.
         """
         if not isinstance(value, str):
             raise TypeError(
                 "Bytestring required as input, got %r." % (value, ))
 
 
 class _RhodeCodeCryptoBCrypt(_RhodeCodeCryptoBase):
     ENC_PREF = ('$2a$10', '$2b$10')
 
     def hash_create(self, str_):
         self._assert_bytes(str_)
         return bcrypt.hashpw(str_, bcrypt.gensalt(10))
 
     def hash_check_with_upgrade(self, password, hashed):
         """
         Returns tuple in which first element is boolean that states that
         given password matches it's hashed version, and the second is new hash
         of the password, in case this password should be migrated to new
         cipher.
 
         This implements special upgrade logic which works like that:
          - check if the given password == bcrypted hash, if yes then we
            properly used password and it was already in bcrypt. Proceed
            without any changes
          - if bcrypt hash check is not working try with sha256. If hash compare
            is ok, it means we using correct but old hashed password. indicate
            hash change and proceed
         """
 
         new_hash = None
 
         # regular pw check
         password_match_bcrypt = self.hash_check(password, hashed)
 
         # now we want to know if the password was maybe from sha256
         # basically calling _RhodeCodeCryptoSha256().hash_check()
         if not password_match_bcrypt:
             if _RhodeCodeCryptoSha256().hash_check(password, hashed):
                 new_hash = self.hash_create(password)  # make new bcrypt hash
                 password_match_bcrypt = True
 
         return password_match_bcrypt, new_hash
 
     def hash_check(self, password, hashed):
         """
         Checks matching password with it's hashed value.
 
         :param password: password
         :param hashed: password in hashed form
         """
         self._assert_bytes(password)
         try:
             return bcrypt.hashpw(password, hashed) == hashed
         except ValueError as e:
             # we're having a invalid salt here probably, we should not crash
             # just return with False as it would be a wrong password.
             log.debug('Failed to check password hash using bcrypt %s',
                       safe_str(e))
 
         return False
 
 
 class _RhodeCodeCryptoSha256(_RhodeCodeCryptoBase):
     ENC_PREF = '_'
 
     def hash_create(self, str_):
         self._assert_bytes(str_)
         return hashlib.sha256(str_).hexdigest()
 
     def hash_check(self, password, hashed):
         """
         Checks matching password with it's hashed value.
 
         :param password: password
         :param hashed: password in hashed form
         """
         self._assert_bytes(password)
         return hashlib.sha256(password).hexdigest() == hashed
 
 
 class _RhodeCodeCryptoTest(_RhodeCodeCryptoBase):
     ENC_PREF = '_'
 
     def hash_create(self, str_):
         self._assert_bytes(str_)
         return sha1(str_)
 
     def hash_check(self, password, hashed):
         """
         Checks matching password with it's hashed value.
 
         :param password: password
         :param hashed: password in hashed form
         """
         self._assert_bytes(password)
         return sha1(password) == hashed
 
 
 def crypto_backend():
     """
     Return the matching crypto backend.
 
     Selection is based on if we run tests or not, we pick sha1-test backend to run
     tests faster since BCRYPT is expensive to calculate
     """
     if rhodecode.is_test:
         RhodeCodeCrypto = _RhodeCodeCryptoTest()
     else:
         RhodeCodeCrypto = _RhodeCodeCryptoBCrypt()
 
     return RhodeCodeCrypto
 
 
 def get_crypt_password(password):
     """
     Create the hash of `password` with the active crypto backend.
 
     :param password: The cleartext password.
     :type password: unicode
     """
     password = safe_str(password)
     return crypto_backend().hash_create(password)
 
 
 def check_password(password, hashed):
     """
     Check if the value in `password` matches the hash in `hashed`.
 
     :param password: The cleartext password.
     :type password: unicode
 
     :param hashed: The expected hashed version of the password.
     :type hashed: The hash has to be passed in in text representation.
     """
     password = safe_str(password)
     return crypto_backend().hash_check(password, hashed)
 
 
 def generate_auth_token(data, salt=None):
     """
     Generates API KEY from given string
     """
 
     if salt is None:
         salt = os.urandom(16)
     return hashlib.sha1(safe_str(data) + salt).hexdigest()
 
 
 def get_came_from(request):
     """
     get query_string+path from request sanitized after removing auth_token
     """
     _req = request
 
     path = _req.path
     if 'auth_token' in _req.GET:
         # sanitize the request and remove auth_token for redirection
         _req.GET.pop('auth_token')
     qs = _req.query_string
     if qs:
         path += '?' + qs
 
     return path
 
 
 class CookieStoreWrapper(object):
 
     def __init__(self, cookie_store):
         self.cookie_store = cookie_store
 
     def __repr__(self):
         return 'CookieStore<%s>' % (self.cookie_store)
 
     def get(self, key, other=None):
         if isinstance(self.cookie_store, dict):
             return self.cookie_store.get(key, other)
         elif isinstance(self.cookie_store, AuthUser):
             return self.cookie_store.__dict__.get(key, other)
 
 
 def _cached_perms_data(user_id, scope, user_is_admin,
                        user_inherit_default_permissions, explicit, algo,
                        calculate_super_admin):
 
     permissions = PermissionCalculator(
         user_id, scope, user_is_admin, user_inherit_default_permissions,
         explicit, algo, calculate_super_admin)
     return permissions.calculate()
 
 
 class PermOrigin(object):
     SUPER_ADMIN = 'superadmin'
     ARCHIVED = 'archived'
 
     REPO_USER = 'user:%s'
     REPO_USERGROUP = 'usergroup:%s'
     REPO_OWNER = 'repo.owner'
     REPO_DEFAULT = 'repo.default'
     REPO_DEFAULT_NO_INHERIT = 'repo.default.no.inherit'
     REPO_PRIVATE = 'repo.private'
 
     REPOGROUP_USER = 'user:%s'
     REPOGROUP_USERGROUP = 'usergroup:%s'
     REPOGROUP_OWNER = 'group.owner'
     REPOGROUP_DEFAULT = 'group.default'
     REPOGROUP_DEFAULT_NO_INHERIT = 'group.default.no.inherit'
 
     USERGROUP_USER = 'user:%s'
     USERGROUP_USERGROUP = 'usergroup:%s'
     USERGROUP_OWNER = 'usergroup.owner'
     USERGROUP_DEFAULT = 'usergroup.default'
     USERGROUP_DEFAULT_NO_INHERIT = 'usergroup.default.no.inherit'
 
 
 class PermOriginDict(dict):
     """
     A special dict used for tracking permissions along with their origins.
 
     `__setitem__` has been overridden to expect a tuple(perm, origin)
     `__getitem__` will return only the perm
     `.perm_origin_stack` will return the stack of (perm, origin) set per key
 
     >>> perms = PermOriginDict()
     >>> perms['resource'] = 'read', 'default', 1
     >>> perms['resource']
     'read'
     >>> perms['resource'] = 'write', 'admin', 2
     >>> perms['resource']
     'write'
     >>> perms.perm_origin_stack
     {'resource': [('read', 'default', 1), ('write', 'admin', 2)]}
     """
 
     def __init__(self, *args, **kw):
         dict.__init__(self, *args, **kw)
         self.perm_origin_stack = collections.OrderedDict()
 
     def __setitem__(self, key, (perm, origin, obj_id)):
         self.perm_origin_stack.setdefault(key, []).append(
             (perm, origin, obj_id))
         dict.__setitem__(self, key, perm)
 
 
 class BranchPermOriginDict(PermOriginDict):
     """
     Dedicated branch permissions dict, with tracking of patterns and origins.
 
     >>> perms = BranchPermOriginDict()
     >>> perms['resource'] = '*pattern', 'read', 'default'
     >>> perms['resource']
     {'*pattern': 'read'}
     >>> perms['resource'] = '*pattern', 'write', 'admin'
     >>> perms['resource']
     {'*pattern': 'write'}
     >>> perms.perm_origin_stack
     {'resource': {'*pattern': [('read', 'default'), ('write', 'admin')]}}
     """
     def __setitem__(self, key, (pattern, perm, origin)):
 
         self.perm_origin_stack.setdefault(key, {}) \
             .setdefault(pattern, []).append((perm, origin))
 
         if key in self:
             self[key].__setitem__(pattern, perm)
         else:
             patterns = collections.OrderedDict()
             patterns[pattern] = perm
             dict.__setitem__(self, key, patterns)
 
 
 class PermissionCalculator(object):
 
     def __init__(
             self, user_id, scope, user_is_admin,
             user_inherit_default_permissions, explicit, algo,
             calculate_super_admin_as_user=False):
 
         self.user_id = user_id
         self.user_is_admin = user_is_admin
         self.inherit_default_permissions = user_inherit_default_permissions
         self.explicit = explicit
         self.algo = algo
         self.calculate_super_admin_as_user = calculate_super_admin_as_user
 
         scope = scope or {}
         self.scope_repo_id = scope.get('repo_id')
         self.scope_repo_group_id = scope.get('repo_group_id')
         self.scope_user_group_id = scope.get('user_group_id')
 
         self.default_user_id = User.get_default_user(cache=True).user_id
 
         self.permissions_repositories = PermOriginDict()
         self.permissions_repository_groups = PermOriginDict()
         self.permissions_user_groups = PermOriginDict()
         self.permissions_repository_branches = BranchPermOriginDict()
         self.permissions_global = set()
 
         self.default_repo_perms = Permission.get_default_repo_perms(
             self.default_user_id, self.scope_repo_id)
         self.default_repo_groups_perms = Permission.get_default_group_perms(
             self.default_user_id, self.scope_repo_group_id)
         self.default_user_group_perms = \
             Permission.get_default_user_group_perms(
                 self.default_user_id, self.scope_user_group_id)
 
         # default branch perms
         self.default_branch_repo_perms = \
             Permission.get_default_repo_branch_perms(
                 self.default_user_id, self.scope_repo_id)
 
     def calculate(self):
         if self.user_is_admin and not self.calculate_super_admin_as_user:
             return self._calculate_admin_permissions()
 
         self._calculate_global_default_permissions()
         self._calculate_global_permissions()
         self._calculate_default_permissions()
         self._calculate_repository_permissions()
         self._calculate_repository_branch_permissions()
         self._calculate_repository_group_permissions()
         self._calculate_user_group_permissions()
         return self._permission_structure()
 
     def _calculate_admin_permissions(self):
         """
         admin user have all default rights for repositories
         and groups set to admin
         """
         self.permissions_global.add('hg.admin')
         self.permissions_global.add('hg.create.write_on_repogroup.true')
 
         # repositories
         for perm in self.default_repo_perms:
             r_k = perm.UserRepoToPerm.repository.repo_name
             obj_id = perm.UserRepoToPerm.repository.repo_id
             archived = perm.UserRepoToPerm.repository.archived
             p = 'repository.admin'
             self.permissions_repositories[r_k] = p, PermOrigin.SUPER_ADMIN, obj_id
             # special case for archived repositories, which we block still even for
             # super admins
             if archived:
                 p = 'repository.read'
                 self.permissions_repositories[r_k] = p, PermOrigin.ARCHIVED, obj_id
 
         # repository groups
         for perm in self.default_repo_groups_perms:
             rg_k = perm.UserRepoGroupToPerm.group.group_name
             obj_id = perm.UserRepoGroupToPerm.group.group_id
             p = 'group.admin'
             self.permissions_repository_groups[rg_k] = p, PermOrigin.SUPER_ADMIN, obj_id
 
         # user groups
         for perm in self.default_user_group_perms:
             u_k = perm.UserUserGroupToPerm.user_group.users_group_name
             obj_id = perm.UserUserGroupToPerm.user_group.users_group_id
             p = 'usergroup.admin'
             self.permissions_user_groups[u_k] = p, PermOrigin.SUPER_ADMIN, obj_id
 
         # branch permissions
         # since super-admin also can have custom rule permissions
         # we *always* need to calculate those inherited from default, and also explicit
         self._calculate_default_permissions_repository_branches(
             user_inherit_object_permissions=False)
         self._calculate_repository_branch_permissions()
 
         return self._permission_structure()
 
     def _calculate_global_default_permissions(self):
         """
         global permissions taken from the default user
         """
         default_global_perms = UserToPerm.query()\
             .filter(UserToPerm.user_id == self.default_user_id)\
             .options(joinedload(UserToPerm.permission))
 
         for perm in default_global_perms:
             self.permissions_global.add(perm.permission.permission_name)
 
         if self.user_is_admin:
             self.permissions_global.add('hg.admin')
             self.permissions_global.add('hg.create.write_on_repogroup.true')
 
     def _calculate_global_permissions(self):
         """
         Set global system permissions with user permissions or permissions
         taken from the user groups of the current user.
 
         The permissions include repo creating, repo group creating, forking
         etc.
         """
 
         # now we read the defined permissions and overwrite what we have set
         # before those can be configured from groups or users explicitly.
 
         # In case we want to extend this list we should make sure
         # this is in sync with User.DEFAULT_USER_PERMISSIONS definitions
         _configurable = frozenset([
             'hg.fork.none', 'hg.fork.repository',
             'hg.create.none', 'hg.create.repository',
             'hg.usergroup.create.false', 'hg.usergroup.create.true',
             'hg.repogroup.create.false', 'hg.repogroup.create.true',
             'hg.create.write_on_repogroup.false', 'hg.create.write_on_repogroup.true',
             'hg.inherit_default_perms.false', 'hg.inherit_default_perms.true'
         ])
 
         # USER GROUPS comes first user group global permissions
         user_perms_from_users_groups = Session().query(UserGroupToPerm)\
             .options(joinedload(UserGroupToPerm.permission))\
             .join((UserGroupMember, UserGroupToPerm.users_group_id ==
                    UserGroupMember.users_group_id))\
             .filter(UserGroupMember.user_id == self.user_id)\
             .order_by(UserGroupToPerm.users_group_id)\
             .all()
 
         # need to group here by groups since user can be in more than
         # one group, so we get all groups
         _explicit_grouped_perms = [
             [x, list(y)] for x, y in
             itertools.groupby(user_perms_from_users_groups,
                               lambda _x: _x.users_group)]
 
         for gr, perms in _explicit_grouped_perms:
             # since user can be in multiple groups iterate over them and
             # select the lowest permissions first (more explicit)
             # TODO(marcink): do this^^
 
             # group doesn't inherit default permissions so we actually set them
             if not gr.inherit_default_permissions:
                 # NEED TO IGNORE all previously set configurable permissions
                 # and replace them with explicitly set from this user
                 # group permissions
                 self.permissions_global = self.permissions_global.difference(
                     _configurable)
                 for perm in perms:
                     self.permissions_global.add(perm.permission.permission_name)
 
         # user explicit global permissions
         user_perms = Session().query(UserToPerm)\
             .options(joinedload(UserToPerm.permission))\
             .filter(UserToPerm.user_id == self.user_id).all()
 
         if not self.inherit_default_permissions:
             # NEED TO IGNORE all configurable permissions and
             # replace them with explicitly set from this user permissions
             self.permissions_global = self.permissions_global.difference(
                 _configurable)
             for perm in user_perms:
                 self.permissions_global.add(perm.permission.permission_name)
 
     def _calculate_default_permissions_repositories(self, user_inherit_object_permissions):
         for perm in self.default_repo_perms:
             r_k = perm.UserRepoToPerm.repository.repo_name
             obj_id = perm.UserRepoToPerm.repository.repo_id
             archived = perm.UserRepoToPerm.repository.archived
             p = perm.Permission.permission_name
             o = PermOrigin.REPO_DEFAULT
             self.permissions_repositories[r_k] = p, o, obj_id
 
             # if we decide this user isn't inheriting permissions from
             # default user we set him to .none so only explicit
             # permissions work
             if not user_inherit_object_permissions:
                 p = 'repository.none'
                 o = PermOrigin.REPO_DEFAULT_NO_INHERIT
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             if perm.Repository.private and not (
                     perm.Repository.user_id == self.user_id):
                 # disable defaults for private repos,
                 p = 'repository.none'
                 o = PermOrigin.REPO_PRIVATE
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             elif perm.Repository.user_id == self.user_id:
                 # set admin if owner
                 p = 'repository.admin'
                 o = PermOrigin.REPO_OWNER
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'repository.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             # finally in case of archived repositories, we downgrade  higher
             # permissions to read
             if archived:
                 current_perm = self.permissions_repositories[r_k]
                 if current_perm in ['repository.write', 'repository.admin']:
                     p = 'repository.read'
                     o = PermOrigin.ARCHIVED
                     self.permissions_repositories[r_k] = p, o, obj_id
 
     def _calculate_default_permissions_repository_branches(self, user_inherit_object_permissions):
         for perm in self.default_branch_repo_perms:
 
             r_k = perm.UserRepoToPerm.repository.repo_name
             p = perm.Permission.permission_name
             pattern = perm.UserToRepoBranchPermission.branch_pattern
             o = PermOrigin.REPO_USER % perm.UserRepoToPerm.user.username
 
             if not self.explicit:
                 cur_perm = self.permissions_repository_branches.get(r_k)
                 if cur_perm:
                     cur_perm = cur_perm[pattern]
                 cur_perm = cur_perm or 'branch.none'
 
                 p = self._choose_permission(p, cur_perm)
 
             # NOTE(marcink): register all pattern/perm instances in this
             # special dict that aggregates entries
             self.permissions_repository_branches[r_k] = pattern, p, o
 
     def _calculate_default_permissions_repository_groups(self, user_inherit_object_permissions):
         for perm in self.default_repo_groups_perms:
             rg_k = perm.UserRepoGroupToPerm.group.group_name
             obj_id = perm.UserRepoGroupToPerm.group.group_id
             p = perm.Permission.permission_name
             o = PermOrigin.REPOGROUP_DEFAULT
             self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             # if we decide this user isn't inheriting permissions from default
             # user we set him to .none so only explicit permissions work
             if not user_inherit_object_permissions:
                 p = 'group.none'
                 o = PermOrigin.REPOGROUP_DEFAULT_NO_INHERIT
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if perm.RepoGroup.user_id == self.user_id:
                 # set admin if owner
                 p = 'group.admin'
                 o = PermOrigin.REPOGROUP_OWNER
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'group.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
     def _calculate_default_permissions_user_groups(self, user_inherit_object_permissions):
         for perm in self.default_user_group_perms:
             u_k = perm.UserUserGroupToPerm.user_group.users_group_name
             obj_id = perm.UserUserGroupToPerm.user_group.users_group_id
             p = perm.Permission.permission_name
             o = PermOrigin.USERGROUP_DEFAULT
             self.permissions_user_groups[u_k] = p, o, obj_id
 
             # if we decide this user isn't inheriting permissions from default
             # user we set him to .none so only explicit permissions work
             if not user_inherit_object_permissions:
                 p = 'usergroup.none'
                 o = PermOrigin.USERGROUP_DEFAULT_NO_INHERIT
                 self.permissions_user_groups[u_k] = p, o, obj_id
 
             if perm.UserGroup.user_id == self.user_id:
                 # set admin if owner
                 p = 'usergroup.admin'
                 o = PermOrigin.USERGROUP_OWNER
                 self.permissions_user_groups[u_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'usergroup.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_user_groups[u_k] = p, o, obj_id
 
     def _calculate_default_permissions(self):
         """
         Set default user permissions for repositories, repository branches,
         repository groups, user groups taken from the default user.
 
         Calculate inheritance of object permissions based on what we have now
         in GLOBAL permissions. We check if .false is in GLOBAL since this is
         explicitly set. Inherit is the opposite of .false being there.
 
         .. note::
 
            the syntax is little bit odd but what we need to check here is
            the opposite of .false permission being in the list so even for
            inconsistent state when both .true/.false is there
            .false is more important
 
         """
         user_inherit_object_permissions = not ('hg.inherit_default_perms.false'
                                                in self.permissions_global)
 
         # default permissions inherited from `default` user permissions
         self._calculate_default_permissions_repositories(
             user_inherit_object_permissions)
 
         self._calculate_default_permissions_repository_branches(
             user_inherit_object_permissions)
 
         self._calculate_default_permissions_repository_groups(
             user_inherit_object_permissions)
 
         self._calculate_default_permissions_user_groups(
             user_inherit_object_permissions)
 
     def _calculate_repository_permissions(self):
         """
         Repository access permissions for the current user.
 
         Check if the user is part of user groups for this repository and
         fill in the permission from it. `_choose_permission` decides of which
         permission should be selected based on selected method.
         """
 
         # user group for repositories permissions
         user_repo_perms_from_user_group = Permission\
             .get_default_repo_perms_from_user_group(
                 self.user_id, self.scope_repo_id)
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_repo_perms_from_user_group:
             r_k = perm.UserGroupRepoToPerm.repository.repo_name
             obj_id = perm.UserGroupRepoToPerm.repository.repo_id
             multiple_counter[r_k] += 1
             p = perm.Permission.permission_name
             o = PermOrigin.REPO_USERGROUP % perm.UserGroupRepoToPerm\
                 .users_group.users_group_name
 
             if multiple_counter[r_k] > 1:
                 cur_perm = self.permissions_repositories[r_k]
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_repositories[r_k] = p, o, obj_id
 
             if perm.Repository.user_id == self.user_id:
                 # set admin if owner
                 p = 'repository.admin'
                 o = PermOrigin.REPO_OWNER
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'repository.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repositories[r_k] = p, o, obj_id
 
         # user explicit permissions for repositories, overrides any specified
         # by the group permission
         user_repo_perms = Permission.get_default_repo_perms(
             self.user_id, self.scope_repo_id)
         for perm in user_repo_perms:
             r_k = perm.UserRepoToPerm.repository.repo_name
             obj_id = perm.UserRepoToPerm.repository.repo_id
             p = perm.Permission.permission_name
             o = PermOrigin.REPO_USER % perm.UserRepoToPerm.user.username
 
             if not self.explicit:
                 cur_perm = self.permissions_repositories.get(
                     r_k, 'repository.none')
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_repositories[r_k] = p, o, obj_id
 
             if perm.Repository.user_id == self.user_id:
                 # set admin if owner
                 p = 'repository.admin'
                 o = PermOrigin.REPO_OWNER
                 self.permissions_repositories[r_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'repository.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repositories[r_k] = p, o, obj_id
 
     def _calculate_repository_branch_permissions(self):
         # user group for repositories permissions
         user_repo_branch_perms_from_user_group = Permission\
             .get_default_repo_branch_perms_from_user_group(
                 self.user_id, self.scope_repo_id)
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_repo_branch_perms_from_user_group:
             r_k = perm.UserGroupRepoToPerm.repository.repo_name
             p = perm.Permission.permission_name
             pattern = perm.UserGroupToRepoBranchPermission.branch_pattern
             o = PermOrigin.REPO_USERGROUP % perm.UserGroupRepoToPerm\
                 .users_group.users_group_name
 
             multiple_counter[r_k] += 1
             if multiple_counter[r_k] > 1:
                 cur_perm = self.permissions_repository_branches[r_k][pattern]
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_repository_branches[r_k] = pattern, p, o
 
         # user explicit branch permissions for repositories, overrides
         # any specified by the group permission
         user_repo_branch_perms = Permission.get_default_repo_branch_perms(
             self.user_id, self.scope_repo_id)
 
         for perm in user_repo_branch_perms:
 
             r_k = perm.UserRepoToPerm.repository.repo_name
             p = perm.Permission.permission_name
             pattern = perm.UserToRepoBranchPermission.branch_pattern
             o = PermOrigin.REPO_USER % perm.UserRepoToPerm.user.username
 
             if not self.explicit:
                 cur_perm = self.permissions_repository_branches.get(r_k)
                 if cur_perm:
                     cur_perm = cur_perm[pattern]
                 cur_perm = cur_perm or 'branch.none'
                 p = self._choose_permission(p, cur_perm)
 
             # NOTE(marcink): register all pattern/perm instances in this
             # special dict that aggregates entries
             self.permissions_repository_branches[r_k] = pattern, p, o
 
     def _calculate_repository_group_permissions(self):
         """
         Repository group permissions for the current user.
 
         Check if the user is part of user groups for repository groups and
         fill in the permissions from it. `_choose_permission` decides of which
         permission should be selected based on selected method.
         """
         # user group for repo groups permissions
         user_repo_group_perms_from_user_group = Permission\
             .get_default_group_perms_from_user_group(
                 self.user_id, self.scope_repo_group_id)
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_repo_group_perms_from_user_group:
             rg_k = perm.UserGroupRepoGroupToPerm.group.group_name
             obj_id = perm.UserGroupRepoGroupToPerm.group.group_id
             multiple_counter[rg_k] += 1
             o = PermOrigin.REPOGROUP_USERGROUP % perm.UserGroupRepoGroupToPerm\
                 .users_group.users_group_name
             p = perm.Permission.permission_name
 
             if multiple_counter[rg_k] > 1:
                 cur_perm = self.permissions_repository_groups[rg_k]
                 p = self._choose_permission(p, cur_perm)
             self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if perm.RepoGroup.user_id == self.user_id:
                 # set admin if owner, even for member of other user group
                 p = 'group.admin'
                 o = PermOrigin.REPOGROUP_OWNER
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'group.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
         # user explicit permissions for repository groups
         user_repo_groups_perms = Permission.get_default_group_perms(
             self.user_id, self.scope_repo_group_id)
         for perm in user_repo_groups_perms:
             rg_k = perm.UserRepoGroupToPerm.group.group_name
             obj_id = perm.UserRepoGroupToPerm.group.group_id
             o = PermOrigin.REPOGROUP_USER % perm.UserRepoGroupToPerm\
                 .user.username
             p = perm.Permission.permission_name
 
             if not self.explicit:
                 cur_perm = self.permissions_repository_groups.get(rg_k, 'group.none')
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if perm.RepoGroup.user_id == self.user_id:
                 # set admin if owner
                 p = 'group.admin'
                 o = PermOrigin.REPOGROUP_OWNER
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'group.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_repository_groups[rg_k] = p, o, obj_id
 
     def _calculate_user_group_permissions(self):
         """
         User group permissions for the current user.
         """
         # user group for user group permissions
         user_group_from_user_group = Permission\
             .get_default_user_group_perms_from_user_group(
                 self.user_id, self.scope_user_group_id)
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_group_from_user_group:
             ug_k = perm.UserGroupUserGroupToPerm.target_user_group.users_group_name
             obj_id = perm.UserGroupUserGroupToPerm.target_user_group.users_group_id
             multiple_counter[ug_k] += 1
             o = PermOrigin.USERGROUP_USERGROUP % perm.UserGroupUserGroupToPerm\
                 .user_group.users_group_name
             p = perm.Permission.permission_name
 
             if multiple_counter[ug_k] > 1:
                 cur_perm = self.permissions_user_groups[ug_k]
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_user_groups[ug_k] = p, o, obj_id
 
             if perm.UserGroup.user_id == self.user_id:
                 # set admin if owner, even for member of other user group
                 p = 'usergroup.admin'
                 o = PermOrigin.USERGROUP_OWNER
                 self.permissions_user_groups[ug_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'usergroup.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_user_groups[ug_k] = p, o, obj_id
 
         # user explicit permission for user groups
         user_user_groups_perms = Permission.get_default_user_group_perms(
             self.user_id, self.scope_user_group_id)
         for perm in user_user_groups_perms:
             ug_k = perm.UserUserGroupToPerm.user_group.users_group_name
             obj_id = perm.UserUserGroupToPerm.user_group.users_group_id
             o = PermOrigin.USERGROUP_USER % perm.UserUserGroupToPerm\
                 .user.username
             p = perm.Permission.permission_name
 
             if not self.explicit:
                 cur_perm = self.permissions_user_groups.get(ug_k, 'usergroup.none')
                 p = self._choose_permission(p, cur_perm)
 
             self.permissions_user_groups[ug_k] = p, o, obj_id
 
             if perm.UserGroup.user_id == self.user_id:
                 # set admin if owner
                 p = 'usergroup.admin'
                 o = PermOrigin.USERGROUP_OWNER
                 self.permissions_user_groups[ug_k] = p, o, obj_id
 
             if self.user_is_admin:
                 p = 'usergroup.admin'
                 o = PermOrigin.SUPER_ADMIN
                 self.permissions_user_groups[ug_k] = p, o, obj_id
 
     def _choose_permission(self, new_perm, cur_perm):
         new_perm_val = Permission.PERM_WEIGHTS[new_perm]
         cur_perm_val = Permission.PERM_WEIGHTS[cur_perm]
         if self.algo == 'higherwin':
             if new_perm_val > cur_perm_val:
                 return new_perm
             return cur_perm
         elif self.algo == 'lowerwin':
             if new_perm_val < cur_perm_val:
                 return new_perm
             return cur_perm
 
     def _permission_structure(self):
         return {
             'global': self.permissions_global,
             'repositories': self.permissions_repositories,
             'repository_branches': self.permissions_repository_branches,
             'repositories_groups': self.permissions_repository_groups,
             'user_groups': self.permissions_user_groups,
         }
 
 
 def allowed_auth_token_access(view_name, auth_token, whitelist=None):
     """
     Check if given controller_name is in whitelist of auth token access
     """
     if not whitelist:
         from rhodecode import CONFIG
         whitelist = aslist(
             CONFIG.get('api_access_controllers_whitelist'), sep=',')
     # backward compat translation
     compat = {
         # old controller, new VIEW
         'ChangesetController:*': 'RepoCommitsView:*',
         'ChangesetController:changeset_patch': 'RepoCommitsView:repo_commit_patch',
         'ChangesetController:changeset_raw': 'RepoCommitsView:repo_commit_raw',
         'FilesController:raw': 'RepoCommitsView:repo_commit_raw',
         'FilesController:archivefile': 'RepoFilesView:repo_archivefile',
         'GistsController:*': 'GistView:*',
     }
 
     log.debug(
         'Allowed views for AUTH TOKEN access: %s', whitelist)
     auth_token_access_valid = False
 
     for entry in whitelist:
         token_match = True
         if entry in compat:
             # translate from old Controllers to Pyramid Views
             entry = compat[entry]
 
         if '@' in entry:
             # specific AuthToken
             entry, allowed_token = entry.split('@', 1)
             token_match = auth_token == allowed_token
 
         if fnmatch.fnmatch(view_name, entry) and token_match:
             auth_token_access_valid = True
             break
 
     if auth_token_access_valid:
         log.debug('view: `%s` matches entry in whitelist: %s',
                   view_name, whitelist)
 
     else:
         msg = ('view: `%s` does *NOT* match any entry in whitelist: %s'
                % (view_name, whitelist))
         if auth_token:
             # if we use auth token key and don't have access it's a warning
             log.warning(msg)
         else:
             log.debug(msg)
 
     return auth_token_access_valid
 
 
 class AuthUser(object):
     """
     A simple object that handles all attributes of user in RhodeCode
 
     It does lookup based on API key,given user, or user present in session
     Then it fills all required information for such user. It also checks if
     anonymous access is enabled and if so, it returns default user as logged in
     """
     GLOBAL_PERMS = [x[0] for x in Permission.PERMS]
     repo_read_perms = ['repository.read', 'repository.admin', 'repository.write']
     repo_group_read_perms = ['group.read', 'group.write', 'group.admin']
     user_group_read_perms = ['usergroup.read', 'usergroup.write', 'usergroup.admin']
 
     def __init__(self, user_id=None, api_key=None, username=None, ip_addr=None):
 
         self.user_id = user_id
         self._api_key = api_key
 
         self.api_key = None
         self.username = username
         self.ip_addr = ip_addr
         self.name = ''
         self.lastname = ''
         self.first_name = ''
         self.last_name = ''
         self.email = ''
         self.is_authenticated = False
         self.admin = False
         self.inherit_default_permissions = False
         self.password = ''
 
         self.anonymous_user = None  # propagated on propagate_data
         self.propagate_data()
         self._instance = None
         self._permissions_scoped_cache = {}  # used to bind scoped calculation
 
     @LazyProperty
     def permissions(self):
         return self.get_perms(user=self, cache=None)
 
     @LazyProperty
     def permissions_safe(self):
         """
         Filtered permissions excluding not allowed repositories
         """
         perms = self.get_perms(user=self, cache=None)
 
         perms['repositories'] = {
             k: v for k, v in perms['repositories'].items()
             if v != 'repository.none'}
         perms['repositories_groups'] = {
             k: v for k, v in perms['repositories_groups'].items()
             if v != 'group.none'}
         perms['user_groups'] = {
             k: v for k, v in perms['user_groups'].items()
             if v != 'usergroup.none'}
         perms['repository_branches'] = {
             k: v for k, v in perms['repository_branches'].iteritems()
             if v != 'branch.none'}
         return perms
 
     @LazyProperty
     def permissions_full_details(self):
         return self.get_perms(
             user=self, cache=None, calculate_super_admin=True)
 
     def permissions_with_scope(self, scope):
         """
         Call the get_perms function with scoped data. The scope in that function
         narrows the SQL calls to the given ID of objects resulting in fetching
         Just particular permission we want to obtain. If scope is an empty dict
         then it basically narrows the scope to GLOBAL permissions only.
 
         :param scope: dict
         """
         if 'repo_name' in scope:
             obj = Repository.get_by_repo_name(scope['repo_name'])
             if obj:
                 scope['repo_id'] = obj.repo_id
         _scope = collections.OrderedDict()
         _scope['repo_id'] = -1
         _scope['user_group_id'] = -1
         _scope['repo_group_id'] = -1
 
         for k in sorted(scope.keys()):
             _scope[k] = scope[k]
 
         # store in cache to mimic how the @LazyProperty works,
         # the difference here is that we use the unique key calculated
         # from params and values
         return self.get_perms(user=self, cache=None, scope=_scope)
 
     def get_instance(self):
         return User.get(self.user_id)
 
     def propagate_data(self):
         """
         Fills in user data and propagates values to this instance. Maps fetched
         user attributes to this class instance attributes
         """
         log.debug('AuthUser: starting data propagation for new potential user')
         user_model = UserModel()
         anon_user = self.anonymous_user = User.get_default_user(cache=True)
         is_user_loaded = False
 
         # lookup by userid
         if self.user_id is not None and self.user_id != anon_user.user_id:
             log.debug('Trying Auth User lookup by USER ID: `%s`', self.user_id)
             is_user_loaded = user_model.fill_data(self, user_id=self.user_id)
 
         # try go get user by api key
         elif self._api_key and self._api_key != anon_user.api_key:
             log.debug('Trying Auth User lookup by API KEY: `...%s`', self._api_key[-4:])
             is_user_loaded = user_model.fill_data(self, api_key=self._api_key)
 
         # lookup by username
         elif self.username:
             log.debug('Trying Auth User lookup by USER NAME: `%s`', self.username)
             is_user_loaded = user_model.fill_data(self, username=self.username)
         else:
             log.debug('No data in %s that could been used to log in', self)
 
         if not is_user_loaded:
             log.debug(
                 'Failed to load user. Fallback to default user %s', anon_user)
             # if we cannot authenticate user try anonymous
             if anon_user.active:
                 log.debug('default user is active, using it as a session user')
                 user_model.fill_data(self, user_id=anon_user.user_id)
                 # then we set this user is logged in
                 self.is_authenticated = True
             else:
                 log.debug('default user is NOT active')
                 # in case of disabled anonymous user we reset some of the
                 # parameters so such user is "corrupted", skipping the fill_data
                 for attr in ['user_id', 'username', 'admin', 'active']:
                     setattr(self, attr, None)
                 self.is_authenticated = False
 
         if not self.username:
             self.username = 'None'
 
         log.debug('AuthUser: propagated user is now %s', self)
 
     def get_perms(self, user, scope=None, explicit=True, algo='higherwin',
                   calculate_super_admin=False, cache=None):
         """
         Fills user permission attribute with permissions taken from database
         works for permissions given for repositories, and for permissions that
         are granted to groups
 
         :param user: instance of User object from database
         :param explicit: In case there are permissions both for user and a group
             that user is part of, explicit flag will defiine if user will
             explicitly override permissions from group, if it's False it will
             make decision based on the algo
         :param algo: algorithm to decide what permission should be choose if
             it's multiple defined, eg user in two different groups. It also
             decides if explicit flag is turned off how to specify the permission
             for case when user is in a group + have defined separate permission
         :param calculate_super_admin: calculate permissions for super-admin in the
             same way as for regular user without speedups
         :param cache: Use caching for calculation, None = let the cache backend decide
         """
         user_id = user.user_id
         user_is_admin = user.is_admin
 
         # inheritance of global permissions like create repo/fork repo etc
         user_inherit_default_permissions = user.inherit_default_permissions
 
         cache_seconds = safe_int(
             rhodecode.CONFIG.get('rc_cache.cache_perms.expiration_time'))
 
         if cache is None:
             # let the backend cache decide
             cache_on = cache_seconds > 0
         else:
             cache_on = cache
 
         log.debug(
             'Computing PERMISSION tree for user %s scope `%s` '
             'with caching: %s[TTL: %ss]', user, scope, cache_on, cache_seconds or 0)
 
         cache_namespace_uid = 'cache_user_auth.{}'.format(user_id)
         region = rc_cache.get_or_create_region('cache_perms', cache_namespace_uid)
 
         @region.conditional_cache_on_arguments(namespace=cache_namespace_uid,
                                                condition=cache_on)
         def compute_perm_tree(cache_name, cache_ver,
                 user_id, scope, user_is_admin,user_inherit_default_permissions,
                 explicit, algo, calculate_super_admin):
             return _cached_perms_data(
                 user_id, scope, user_is_admin, user_inherit_default_permissions,
                 explicit, algo, calculate_super_admin)
 
         start = time.time()
         result = compute_perm_tree(
             'permissions', 'v1', user_id, scope, user_is_admin,
              user_inherit_default_permissions, explicit, algo,
              calculate_super_admin)
 
         result_repr = []
         for k in result:
             result_repr.append((k, len(result[k])))
         total = time.time() - start
         log.debug('PERMISSION tree for user %s computed in %.4fs: %s',
                   user, total, result_repr)
 
         return result
 
     @property
     def is_default(self):
         return self.username == User.DEFAULT_USER
 
     @property
     def is_admin(self):
         return self.admin
 
     @property
     def is_user_object(self):
         return self.user_id is not None
 
     @property
     def repositories_admin(self):
         """
         Returns list of repositories you're an admin of
         """
         return [
             x[0] for x in self.permissions['repositories'].items()
             if x[1] == 'repository.admin']
 
     @property
     def repository_groups_admin(self):
         """
         Returns list of repository groups you're an admin of
         """
         return [
             x[0] for x in self.permissions['repositories_groups'].items()
             if x[1] == 'group.admin']
 
     @property
     def user_groups_admin(self):
         """
         Returns list of user groups you're an admin of
         """
         return [
             x[0] for x in self.permissions['user_groups'].items()
             if x[1] == 'usergroup.admin']
 
     def repo_acl_ids_from_stack(self, perms=None, prefix_filter=None, cache=False):
         if not perms:
             perms = AuthUser.repo_read_perms
         allowed_ids = []
         for k, stack_data in self.permissions['repositories'].perm_origin_stack.items():
             perm, origin, obj_id = stack_data[-1]  # last item is the current permission
             if prefix_filter and not k.startswith(prefix_filter):
                 continue
             if perm in perms:
                 allowed_ids.append(obj_id)
         return allowed_ids
 
     def repo_acl_ids(self, perms=None, name_filter=None, cache=False):
         """
         Returns list of repository ids that user have access to based on given
         perms. The cache flag should be only used in cases that are used for
         display purposes, NOT IN ANY CASE for permission checks.
         """
         from rhodecode.model.scm import RepoList
         if not perms:
             perms = AuthUser.repo_read_perms
 
         def _cached_repo_acl(user_id, perm_def, _name_filter):
             qry = Repository.query()
             if _name_filter:
                 ilike_expression = u'%{}%'.format(safe_unicode(_name_filter))
                 qry = qry.filter(
                     Repository.repo_name.ilike(ilike_expression))
 
             return [x.repo_id for x in
                     RepoList(qry, perm_set=perm_def, extra_kwargs={'user': self})]
 
         return _cached_repo_acl(self.user_id, perms, name_filter)
 
     def repo_group_acl_ids_from_stack(self, perms=None, prefix_filter=None, cache=False):
         if not perms:
             perms = AuthUser.repo_group_read_perms
         allowed_ids = []
         for k, stack_data in self.permissions['repositories_groups'].perm_origin_stack.items():
             perm, origin, obj_id = stack_data[-1]  # last item is the current permission
             if prefix_filter and not k.startswith(prefix_filter):
                 continue
             if perm in perms:
                 allowed_ids.append(obj_id)
         return allowed_ids
 
     def repo_group_acl_ids(self, perms=None, name_filter=None, cache=False):
         """
         Returns list of repository group ids that user have access to based on given
         perms. The cache flag should be only used in cases that are used for
         display purposes, NOT IN ANY CASE for permission checks.
         """
         from rhodecode.model.scm import RepoGroupList
         if not perms:
             perms = AuthUser.repo_group_read_perms
 
         def _cached_repo_group_acl(user_id, perm_def, _name_filter):
             qry = RepoGroup.query()
             if _name_filter:
                 ilike_expression = u'%{}%'.format(safe_unicode(_name_filter))
                 qry = qry.filter(
                     RepoGroup.group_name.ilike(ilike_expression))
 
             return [x.group_id for x in
                     RepoGroupList(qry, perm_set=perm_def, extra_kwargs={'user': self})]
 
         return _cached_repo_group_acl(self.user_id, perms, name_filter)
 
     def user_group_acl_ids_from_stack(self, perms=None, cache=False):
         if not perms:
             perms = AuthUser.user_group_read_perms
         allowed_ids = []
         for k, stack_data in self.permissions['user_groups'].perm_origin_stack.items():
             perm, origin, obj_id = stack_data[-1]  # last item is the current permission
             if perm in perms:
                 allowed_ids.append(obj_id)
         return allowed_ids
 
     def user_group_acl_ids(self, perms=None, name_filter=None, cache=False):
         """
         Returns list of user group ids that user have access to based on given
         perms. The cache flag should be only used in cases that are used for
         display purposes, NOT IN ANY CASE for permission checks.
         """
         from rhodecode.model.scm import UserGroupList
         if not perms:
             perms = AuthUser.user_group_read_perms
 
         def _cached_user_group_acl(user_id, perm_def, name_filter):
             qry = UserGroup.query()
             if name_filter:
                 ilike_expression = u'%{}%'.format(safe_unicode(name_filter))
                 qry = qry.filter(
                     UserGroup.users_group_name.ilike(ilike_expression))
 
             return [x.users_group_id for x in
                     UserGroupList(qry, perm_set=perm_def, extra_kwargs={'user': self})]
 
         return _cached_user_group_acl(self.user_id, perms, name_filter)
 
     @property
     def ip_allowed(self):
         """
         Checks if ip_addr used in constructor is allowed from defined list of
         allowed ip_addresses for user
 
         :returns: boolean, True if ip is in allowed ip range
         """
         # check IP
         inherit = self.inherit_default_permissions
         return AuthUser.check_ip_allowed(self.user_id, self.ip_addr,
                                          inherit_from_default=inherit)
     @property
     def personal_repo_group(self):
         return RepoGroup.get_user_personal_repo_group(self.user_id)
 
     @LazyProperty
     def feed_token(self):
         return self.get_instance().feed_token
 
     @LazyProperty
     def artifact_token(self):
         return self.get_instance().artifact_token
 
     @classmethod
     def check_ip_allowed(cls, user_id, ip_addr, inherit_from_default):
         allowed_ips = AuthUser.get_allowed_ips(
             user_id, cache=True, inherit_from_default=inherit_from_default)
         if check_ip_access(source_ip=ip_addr, allowed_ips=allowed_ips):
             log.debug('IP:%s for user %s is in range of %s',
                       ip_addr, user_id, allowed_ips)
             return True
         else:
             log.info('Access for IP:%s forbidden for user %s, '
                      'not in %s', ip_addr, user_id, allowed_ips)
             return False
 
     def get_branch_permissions(self, repo_name, perms=None):
         perms = perms or self.permissions_with_scope({'repo_name': repo_name})
         branch_perms = perms.get('repository_branches', {})
         if not branch_perms:
             return {}
         repo_branch_perms = branch_perms.get(repo_name)
         return repo_branch_perms or {}
 
     def get_rule_and_branch_permission(self, repo_name, branch_name):
         """
         Check if this AuthUser has defined any permissions for branches. If any of
         the rules match in order, we return the matching permissions
         """
 
         rule = default_perm = ''
 
         repo_branch_perms = self.get_branch_permissions(repo_name=repo_name)
         if not repo_branch_perms:
             return rule, default_perm
 
         # now calculate the permissions
         for pattern, branch_perm in repo_branch_perms.items():
             if fnmatch.fnmatch(branch_name, pattern):
                 rule = '`{}`=>{}'.format(pattern, branch_perm)
                 return rule, branch_perm
 
         return rule, default_perm
 
+    def get_notice_messages(self):
+
+        notice_level = 'notice-error'
+        notice_messages = []
+        if self.is_default:
+            return [], notice_level
+
+        notices = UserNotice.query()\
+            .filter(UserNotice.user_id == self.user_id)\
+            .filter(UserNotice.notice_read == false())\
+            .all()
+
+        try:
+            for entry in notices:
+
+                msg = {
+                    'msg_id': entry.user_notice_id,
+                    'level': entry.notification_level,
+                    'subject': entry.notice_subject,
+                    'body': entry.notice_body,
+                }
+                notice_messages.append(msg)
+
+            log.debug('Got user %s %s messages', self, len(notice_messages))
+
+            levels = [x['level'] for x in notice_messages]
+            notice_level = 'notice-error' if 'error' in levels else 'notice-warning'
+        except Exception:
+            pass
+
+        return notice_messages, notice_level
+
     def __repr__(self):
         return "<AuthUser('id:%s[%s] ip:%s auth:%s')>"\
             % (self.user_id, self.username, self.ip_addr, self.is_authenticated)
 
     def set_authenticated(self, authenticated=True):
         if self.user_id != self.anonymous_user.user_id:
             self.is_authenticated = authenticated
 
     def get_cookie_store(self):
         return {
             'username': self.username,
             'password': md5(self.password or ''),
             'user_id': self.user_id,
             'is_authenticated': self.is_authenticated
         }
 
     @classmethod
     def from_cookie_store(cls, cookie_store):
         """
         Creates AuthUser from a cookie store
 
         :param cls:
         :param cookie_store:
         """
         user_id = cookie_store.get('user_id')
         username = cookie_store.get('username')
         api_key = cookie_store.get('api_key')
         return AuthUser(user_id, api_key, username)
 
     @classmethod
     def get_allowed_ips(cls, user_id, cache=False, inherit_from_default=False):
         _set = set()
 
         if inherit_from_default:
             def_user_id = User.get_default_user(cache=True).user_id
             default_ips = UserIpMap.query().filter(UserIpMap.user_id == def_user_id)
             if cache:
                 default_ips = default_ips.options(
                     FromCache("sql_cache_short", "get_user_ips_default"))
 
             # populate from default user
             for ip in default_ips:
                 try:
                     _set.add(ip.ip_addr)
                 except ObjectDeletedError:
                     # since we use heavy caching sometimes it happens that
                     # we get deleted objects here, we just skip them
                     pass
 
         # NOTE:(marcink) we don't want to load any rules for empty
         # user_id which is the case of access of non logged users when anonymous
         # access is disabled
         user_ips = []
         if user_id:
             user_ips = UserIpMap.query().filter(UserIpMap.user_id == user_id)
             if cache:
                 user_ips = user_ips.options(
                     FromCache("sql_cache_short", "get_user_ips_%s" % user_id))
 
         for ip in user_ips:
             try:
                 _set.add(ip.ip_addr)
             except ObjectDeletedError:
                 # since we use heavy caching sometimes it happens that we get
                 # deleted objects here, we just skip them
                 pass
         return _set or {ip for ip in ['0.0.0.0/0', '::/0']}
 
 
 def set_available_permissions(settings):
     """
     This function will propagate pyramid settings with all available defined
     permission given in db. We don't want to check each time from db for new
     permissions since adding a new permission also requires application restart
     ie. to decorate new views with the newly created permission
 
     :param settings: current pyramid registry.settings
 
     """
     log.debug('auth: getting information about all available permissions')
     try:
         sa = meta.Session
         all_perms = sa.query(Permission).all()
         settings.setdefault('available_permissions',
                             [x.permission_name for x in all_perms])
         log.debug('auth: set available permissions')
     except Exception:
         log.exception('Failed to fetch permissions from the database.')
         raise
 
 
 def get_csrf_token(session, force_new=False, save_if_missing=True):
     """
     Return the current authentication token, creating one if one doesn't
     already exist and the save_if_missing flag is present.
 
     :param session: pass in the pyramid session, else we use the global ones
     :param force_new: force to re-generate the token and store it in session
     :param save_if_missing: save the newly generated token if it's missing in
         session
     """
     # NOTE(marcink): probably should be replaced with below one from pyramid 1.9
     # from pyramid.csrf import get_csrf_token
 
     if (csrf_token_key not in session and save_if_missing) or force_new:
         token = hashlib.sha1(str(random.getrandbits(128))).hexdigest()
         session[csrf_token_key] = token
         if hasattr(session, 'save'):
             session.save()
     return session.get(csrf_token_key)
 
 
 def get_request(perm_class_instance):
     from pyramid.threadlocal import get_current_request
     pyramid_request = get_current_request()
     return pyramid_request
 
 
 # CHECK DECORATORS
 class CSRFRequired(object):
     """
     Decorator for authenticating a form
 
     This decorator uses an authorization token stored in the client's
     session for prevention of certain Cross-site request forgery (CSRF)
     attacks (See
     http://en.wikipedia.org/wiki/Cross-site_request_forgery for more
     information).
 
     For use with the ``secure_form`` helper functions.
 
     """
     def __init__(self, token=csrf_token_key, header='X-CSRF-Token', except_methods=None):
         self.token = token
         self.header = header
         self.except_methods = except_methods or []
 
     def __call__(self, func):
         return get_cython_compat_decorator(self.__wrapper, func)
 
     def _get_csrf(self, _request):
         return _request.POST.get(self.token, _request.headers.get(self.header))
 
     def check_csrf(self, _request, cur_token):
         supplied_token = self._get_csrf(_request)
         return supplied_token and supplied_token == cur_token
 
     def _get_request(self):
         return get_request(self)
 
     def __wrapper(self, func, *fargs, **fkwargs):
         request = self._get_request()
 
         if request.method in self.except_methods:
             return func(*fargs, **fkwargs)
 
         cur_token = get_csrf_token(request.session, save_if_missing=False)
         if self.check_csrf(request, cur_token):
             if request.POST.get(self.token):
                 del request.POST[self.token]
             return func(*fargs, **fkwargs)
         else:
             reason = 'token-missing'
             supplied_token = self._get_csrf(request)
             if supplied_token and cur_token != supplied_token:
                 reason = 'token-mismatch [%s:%s]' % (
                     cur_token or ''[:6], supplied_token or ''[:6])
 
             csrf_message = \
                 ("Cross-site request forgery detected, request denied. See "
                  "http://en.wikipedia.org/wiki/Cross-site_request_forgery for "
                  "more information.")
         log.warn('Cross-site request forgery detected, request %r DENIED: %s '
                  'REMOTE_ADDR:%s, HEADERS:%s' % (
                      request, reason, request.remote_addr, request.headers))
 
         raise HTTPForbidden(explanation=csrf_message)
 
 
 class LoginRequired(object):
     """
     Must be logged in to execute this function else
     redirect to login page
 
     :param api_access: if enabled this checks only for valid auth token
         and grants access based on valid token
     """
     def __init__(self, auth_token_access=None):
         self.auth_token_access = auth_token_access
         if self.auth_token_access:
             valid_type = set(auth_token_access).intersection(set(UserApiKeys.ROLES))
             if not valid_type:
                 raise ValueError('auth_token_access must be on of {}, got {}'.format(
                     UserApiKeys.ROLES, auth_token_access))
 
     def __call__(self, func):
         return get_cython_compat_decorator(self.__wrapper, func)
 
     def _get_request(self):
         return get_request(self)
 
     def __wrapper(self, func, *fargs, **fkwargs):
         from rhodecode.lib import helpers as h
         cls = fargs[0]
         user = cls._rhodecode_user
         request = self._get_request()
         _ = request.translate
 
         loc = "%s:%s" % (cls.__class__.__name__, func.__name__)
         log.debug('Starting login restriction checks for user: %s', user)
         # check if our IP is allowed
         ip_access_valid = True
         if not user.ip_allowed:
             h.flash(h.literal(_('IP {} not allowed'.format(user.ip_addr))),
                     category='warning')
             ip_access_valid = False
 
         # we used stored token that is extract from GET or URL param (if any)
         _auth_token = request.user_auth_token
 
         # check if we used an AUTH_TOKEN and it's a valid one
         # defined white-list of controllers which API access will be enabled
         whitelist = None
         if self.auth_token_access:
             # since this location is allowed by @LoginRequired decorator it's our
             # only whitelist
             whitelist = [loc]
         auth_token_access_valid = allowed_auth_token_access(
             loc, whitelist=whitelist, auth_token=_auth_token)
 
         # explicit controller is enabled or API is in our whitelist
         if auth_token_access_valid:
             log.debug('Checking AUTH TOKEN access for %s', cls)
             db_user = user.get_instance()
 
             if db_user:
                 if self.auth_token_access:
                     roles = self.auth_token_access
                 else:
                     roles = [UserApiKeys.ROLE_HTTP]
                 log.debug('AUTH TOKEN: checking auth for user %s and roles %s',
                           db_user, roles)
                 token_match = db_user.authenticate_by_token(
                     _auth_token, roles=roles)
             else:
                 log.debug('Unable to fetch db instance for auth user: %s', user)
                 token_match = False
 
             if _auth_token and token_match:
                 auth_token_access_valid = True
                 log.debug('AUTH TOKEN ****%s is VALID', _auth_token[-4:])
             else:
                 auth_token_access_valid = False
                 if not _auth_token:
                     log.debug("AUTH TOKEN *NOT* present in request")
                 else:
                     log.warning("AUTH TOKEN ****%s *NOT* valid", _auth_token[-4:])
 
         log.debug('Checking if %s is authenticated @ %s', user.username, loc)
         reason = 'RHODECODE_AUTH' if user.is_authenticated \
             else 'AUTH_TOKEN_AUTH'
 
         if ip_access_valid and (
                 user.is_authenticated or auth_token_access_valid):
             log.info('user %s authenticating with:%s IS authenticated on func %s',
                      user, reason, loc)
 
             return func(*fargs, **fkwargs)
         else:
             log.warning(
                 'user %s authenticating with:%s NOT authenticated on '
                 'func: %s: IP_ACCESS:%s AUTH_TOKEN_ACCESS:%s',
                 user, reason, loc, ip_access_valid, auth_token_access_valid)
             # we preserve the get PARAM
             came_from = get_came_from(request)
 
             log.debug('redirecting to login page with %s', came_from)
             raise HTTPFound(
                 h.route_path('login', _query={'came_from': came_from}))
 
 
 class NotAnonymous(object):
     """
     Must be logged in to execute this function else
     redirect to login page
     """
 
     def __call__(self, func):
         return get_cython_compat_decorator(self.__wrapper, func)
 
     def _get_request(self):
         return get_request(self)
 
     def __wrapper(self, func, *fargs, **fkwargs):
         import rhodecode.lib.helpers as h
         cls = fargs[0]
         self.user = cls._rhodecode_user
         request = self._get_request()
         _ = request.translate
         log.debug('Checking if user is not anonymous @%s', cls)
 
         anonymous = self.user.username == User.DEFAULT_USER
 
         if anonymous:
             came_from = get_came_from(request)
             h.flash(_('You need to be a registered user to '
                       'perform this action'),
                     category='warning')
             raise HTTPFound(
                 h.route_path('login', _query={'came_from': came_from}))
         else:
             return func(*fargs, **fkwargs)
 
 
 class PermsDecorator(object):
     """
     Base class for controller decorators, we extract the current user from
     the class itself, which has it stored in base controllers
     """
 
     def __init__(self, *required_perms):
         self.required_perms = set(required_perms)
 
     def __call__(self, func):
         return get_cython_compat_decorator(self.__wrapper, func)
 
     def _get_request(self):
         return get_request(self)
 
     def __wrapper(self, func, *fargs, **fkwargs):
         import rhodecode.lib.helpers as h
         cls = fargs[0]
         _user = cls._rhodecode_user
         request = self._get_request()
         _ = request.translate
 
         log.debug('checking %s permissions %s for %s %s',
                   self.__class__.__name__, self.required_perms, cls, _user)
 
         if self.check_permissions(_user):
             log.debug('Permission granted for %s %s', cls, _user)
             return func(*fargs, **fkwargs)
 
         else:
             log.debug('Permission denied for %s %s', cls, _user)
             anonymous = _user.username == User.DEFAULT_USER
 
             if anonymous:
                 came_from = get_came_from(self._get_request())
                 h.flash(_('You need to be signed in to view this page'),
                         category='warning')
                 raise HTTPFound(
                     h.route_path('login', _query={'came_from': came_from}))
 
             else:
                 # redirect with 404 to prevent resource discovery
                 raise HTTPNotFound()
 
     def check_permissions(self, user):
         """Dummy function for overriding"""
         raise NotImplementedError(
             'You have to write this function in child class')
 
 
 class HasPermissionAllDecorator(PermsDecorator):
     """
     Checks for access permission for all given predicates. All of them
     have to be meet in order to fulfill the request
     """
 
     def check_permissions(self, user):
         perms = user.permissions_with_scope({})
         if self.required_perms.issubset(perms['global']):
             return True
         return False
 
 
 class HasPermissionAnyDecorator(PermsDecorator):
     """
     Checks for access permission for any of given predicates. In order to
     fulfill the request any of predicates must be meet
     """
 
     def check_permissions(self, user):
         perms = user.permissions_with_scope({})
         if self.required_perms.intersection(perms['global']):
             return True
         return False
 
 
 class HasRepoPermissionAllDecorator(PermsDecorator):
     """
     Checks for access permission for all given predicates for specific
     repository. All of them have to be meet in order to fulfill the request
     """
     def _get_repo_name(self):
         _request = self._get_request()
         return get_repo_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         repo_name = self._get_repo_name()
 
         try:
             user_perms = {perms['repositories'][repo_name]}
         except KeyError:
             log.debug('cannot locate repo with name: `%s` in permissions defs',
                       repo_name)
             return False
 
         log.debug('checking `%s` permissions for repo `%s`',
                   user_perms, repo_name)
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 class HasRepoPermissionAnyDecorator(PermsDecorator):
     """
     Checks for access permission for any of given predicates for specific
     repository. In order to fulfill the request any of predicates must be meet
     """
     def _get_repo_name(self):
         _request = self._get_request()
         return get_repo_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         repo_name = self._get_repo_name()
 
         try:
             user_perms = {perms['repositories'][repo_name]}
         except KeyError:
             log.debug(
                 'cannot locate repo with name: `%s` in permissions defs',
                 repo_name)
             return False
 
         log.debug('checking `%s` permissions for repo `%s`',
                   user_perms, repo_name)
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAllDecorator(PermsDecorator):
     """
     Checks for access permission for all given predicates for specific
     repository group. All of them have to be meet in order to
     fulfill the request
     """
     def _get_repo_group_name(self):
         _request = self._get_request()
         return get_repo_group_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         group_name = self._get_repo_group_name()
         try:
             user_perms = {perms['repositories_groups'][group_name]}
         except KeyError:
             log.debug(
                 'cannot locate repo group with name: `%s` in permissions defs',
                 group_name)
             return False
 
         log.debug('checking `%s` permissions for repo group `%s`',
                   user_perms, group_name)
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAnyDecorator(PermsDecorator):
     """
     Checks for access permission for any of given predicates for specific
     repository group. In order to fulfill the request any
     of predicates must be met
     """
     def _get_repo_group_name(self):
         _request = self._get_request()
         return get_repo_group_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         group_name = self._get_repo_group_name()
 
         try:
             user_perms = {perms['repositories_groups'][group_name]}
         except KeyError:
             log.debug(
                 'cannot locate repo group with name: `%s` in permissions defs',
                 group_name)
             return False
 
         log.debug('checking `%s` permissions for repo group `%s`',
                   user_perms, group_name)
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 class HasUserGroupPermissionAllDecorator(PermsDecorator):
     """
     Checks for access permission for all given predicates for specific
     user group. All of them have to be meet in order to fulfill the request
     """
     def _get_user_group_name(self):
         _request = self._get_request()
         return get_user_group_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         group_name = self._get_user_group_name()
         try:
             user_perms = {perms['user_groups'][group_name]}
         except KeyError:
             return False
 
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 class HasUserGroupPermissionAnyDecorator(PermsDecorator):
     """
     Checks for access permission for any of given predicates for specific
     user group. In order to fulfill the request any of predicates must be meet
     """
     def _get_user_group_name(self):
         _request = self._get_request()
         return get_user_group_slug(_request)
 
     def check_permissions(self, user):
         perms = user.permissions
         group_name = self._get_user_group_name()
         try:
             user_perms = {perms['user_groups'][group_name]}
         except KeyError:
             return False
 
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 # CHECK FUNCTIONS
 class PermsFunction(object):
     """Base function for other check functions"""
 
     def __init__(self, *perms):
         self.required_perms = set(perms)
         self.repo_name = None
         self.repo_group_name = None
         self.user_group_name = None
 
     def __bool__(self):
         import inspect
         frame = inspect.currentframe()
         stack_trace = traceback.format_stack(frame)
         log.error('Checking bool value on a class instance of perm '
                   'function is not allowed: %s', ''.join(stack_trace))
         # rather than throwing errors, here we always return False so if by
         # accident someone checks truth for just an instance it will always end
         # up in returning False
         return False
     __nonzero__ = __bool__
 
     def __call__(self, check_location='', user=None):
         if not user:
             log.debug('Using user attribute from global request')
             request = self._get_request()
             user = request.user
 
         # init auth user if not already given
         if not isinstance(user, AuthUser):
             log.debug('Wrapping user %s into AuthUser', user)
             user = AuthUser(user.user_id)
 
         cls_name = self.__class__.__name__
         check_scope = self._get_check_scope(cls_name)
         check_location = check_location or 'unspecified location'
 
         log.debug('checking cls:%s %s usr:%s %s @ %s', cls_name,
                   self.required_perms, user, check_scope, check_location)
         if not user:
             log.warning('Empty user given for permission check')
             return False
 
         if self.check_permissions(user):
             log.debug('Permission to repo:`%s` GRANTED for user:`%s` @ %s',
                       check_scope, user, check_location)
             return True
 
         else:
             log.debug('Permission to repo:`%s` DENIED for user:`%s` @ %s',
                       check_scope, user, check_location)
             return False
 
     def _get_request(self):
         return get_request(self)
 
     def _get_check_scope(self, cls_name):
         return {
             'HasPermissionAll':          'GLOBAL',
             'HasPermissionAny':          'GLOBAL',
             'HasRepoPermissionAll':      'repo:%s' % self.repo_name,
             'HasRepoPermissionAny':      'repo:%s' % self.repo_name,
             'HasRepoGroupPermissionAll': 'repo_group:%s' % self.repo_group_name,
             'HasRepoGroupPermissionAny': 'repo_group:%s' % self.repo_group_name,
             'HasUserGroupPermissionAll': 'user_group:%s' % self.user_group_name,
             'HasUserGroupPermissionAny': 'user_group:%s' % self.user_group_name,
         }.get(cls_name, '?:%s' % cls_name)
 
     def check_permissions(self, user):
         """Dummy function for overriding"""
         raise Exception('You have to write this function in child class')
 
 
 class HasPermissionAll(PermsFunction):
     def check_permissions(self, user):
         perms = user.permissions_with_scope({})
         if self.required_perms.issubset(perms.get('global')):
             return True
         return False
 
 
 class HasPermissionAny(PermsFunction):
     def check_permissions(self, user):
         perms = user.permissions_with_scope({})
         if self.required_perms.intersection(perms.get('global')):
             return True
         return False
 
 
 class HasRepoPermissionAll(PermsFunction):
     def __call__(self, repo_name=None, check_location='', user=None):
         self.repo_name = repo_name
         return super(HasRepoPermissionAll, self).__call__(check_location, user)
 
     def _get_repo_name(self):
         if not self.repo_name:
             _request = self._get_request()
             self.repo_name = get_repo_slug(_request)
         return self.repo_name
 
     def check_permissions(self, user):
         self.repo_name = self._get_repo_name()
         perms = user.permissions
         try:
             user_perms = {perms['repositories'][self.repo_name]}
         except KeyError:
             return False
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 class HasRepoPermissionAny(PermsFunction):
     def __call__(self, repo_name=None, check_location='', user=None):
         self.repo_name = repo_name
         return super(HasRepoPermissionAny, self).__call__(check_location, user)
 
     def _get_repo_name(self):
         if not self.repo_name:
             _request = self._get_request()
             self.repo_name = get_repo_slug(_request)
         return self.repo_name
 
     def check_permissions(self, user):
         self.repo_name = self._get_repo_name()
         perms = user.permissions
         try:
             user_perms = {perms['repositories'][self.repo_name]}
         except KeyError:
             return False
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAny(PermsFunction):
     def __call__(self, group_name=None, check_location='', user=None):
         self.repo_group_name = group_name
         return super(HasRepoGroupPermissionAny, self).__call__(check_location, user)
 
     def check_permissions(self, user):
         perms = user.permissions
         try:
             user_perms = {perms['repositories_groups'][self.repo_group_name]}
         except KeyError:
             return False
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAll(PermsFunction):
     def __call__(self, group_name=None, check_location='', user=None):
         self.repo_group_name = group_name
         return super(HasRepoGroupPermissionAll, self).__call__(check_location, user)
 
     def check_permissions(self, user):
         perms = user.permissions
         try:
             user_perms = {perms['repositories_groups'][self.repo_group_name]}
         except KeyError:
             return False
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 class HasUserGroupPermissionAny(PermsFunction):
     def __call__(self, user_group_name=None, check_location='', user=None):
         self.user_group_name = user_group_name
         return super(HasUserGroupPermissionAny, self).__call__(check_location, user)
 
     def check_permissions(self, user):
         perms = user.permissions
         try:
             user_perms = {perms['user_groups'][self.user_group_name]}
         except KeyError:
             return False
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 class HasUserGroupPermissionAll(PermsFunction):
     def __call__(self, user_group_name=None, check_location='', user=None):
         self.user_group_name = user_group_name
         return super(HasUserGroupPermissionAll, self).__call__(check_location, user)
 
     def check_permissions(self, user):
         perms = user.permissions
         try:
             user_perms = {perms['user_groups'][self.user_group_name]}
         except KeyError:
             return False
         if self.required_perms.issubset(user_perms):
             return True
         return False
 
 
 # SPECIAL VERSION TO HANDLE MIDDLEWARE AUTH
 class HasPermissionAnyMiddleware(object):
     def __init__(self, *perms):
         self.required_perms = set(perms)
 
     def __call__(self, auth_user, repo_name):
         # repo_name MUST be unicode, since we handle keys in permission
         # dict by unicode
         repo_name = safe_unicode(repo_name)
         log.debug(
             'Checking VCS protocol permissions %s for user:%s repo:`%s`',
             self.required_perms, auth_user, repo_name)
 
         if self.check_permissions(auth_user, repo_name):
             log.debug('Permission to repo:`%s` GRANTED for user:%s @ %s',
                       repo_name, auth_user, 'PermissionMiddleware')
             return True
 
         else:
             log.debug('Permission to repo:`%s` DENIED for user:%s @ %s',
                       repo_name, auth_user, 'PermissionMiddleware')
             return False
 
     def check_permissions(self, user, repo_name):
         perms = user.permissions_with_scope({'repo_name': repo_name})
 
         try:
             user_perms = {perms['repositories'][repo_name]}
         except Exception:
             log.exception('Error while accessing user permissions')
             return False
 
         if self.required_perms.intersection(user_perms):
             return True
         return False
 
 
 # SPECIAL VERSION TO HANDLE API AUTH
 class _BaseApiPerm(object):
     def __init__(self, *perms):
         self.required_perms = set(perms)
 
     def __call__(self, check_location=None, user=None, repo_name=None,
                  group_name=None, user_group_name=None):
         cls_name = self.__class__.__name__
         check_scope = 'global:%s' % (self.required_perms,)
         if repo_name:
             check_scope += ', repo_name:%s' % (repo_name,)
 
         if group_name:
             check_scope += ', repo_group_name:%s' % (group_name,)
 
         if user_group_name:
             check_scope += ', user_group_name:%s' % (user_group_name,)
 
         log.debug('checking cls:%s %s %s @ %s',
                   cls_name, self.required_perms, check_scope, check_location)
         if not user:
             log.debug('Empty User passed into arguments')
             return False
 
         # process user
         if not isinstance(user, AuthUser):
             user = AuthUser(user.user_id)
         if not check_location:
             check_location = 'unspecified'
         if self.check_permissions(user.permissions, repo_name, group_name,
                                   user_group_name):
             log.debug('Permission to repo:`%s` GRANTED for user:`%s` @ %s',
                       check_scope, user, check_location)
             return True
 
         else:
             log.debug('Permission to repo:`%s` DENIED for user:`%s` @ %s',
                       check_scope, user, check_location)
             return False
 
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         """
         implement in child class should return True if permissions are ok,
         False otherwise
 
         :param perm_defs: dict with permission definitions
         :param repo_name: repo name
         """
         raise NotImplementedError()
 
 
 class HasPermissionAllApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         if self.required_perms.issubset(perm_defs.get('global')):
             return True
         return False
 
 
 class HasPermissionAnyApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         if self.required_perms.intersection(perm_defs.get('global')):
             return True
         return False
 
 
 class HasRepoPermissionAllApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         try:
             _user_perms = {perm_defs['repositories'][repo_name]}
         except KeyError:
             log.warning(traceback.format_exc())
             return False
         if self.required_perms.issubset(_user_perms):
             return True
         return False
 
 
 class HasRepoPermissionAnyApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         try:
             _user_perms = {perm_defs['repositories'][repo_name]}
         except KeyError:
             log.warning(traceback.format_exc())
             return False
         if self.required_perms.intersection(_user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAnyApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         try:
             _user_perms = {perm_defs['repositories_groups'][group_name]}
         except KeyError:
             log.warning(traceback.format_exc())
             return False
         if self.required_perms.intersection(_user_perms):
             return True
         return False
 
 
 class HasRepoGroupPermissionAllApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         try:
             _user_perms = {perm_defs['repositories_groups'][group_name]}
         except KeyError:
             log.warning(traceback.format_exc())
             return False
         if self.required_perms.issubset(_user_perms):
             return True
         return False
 
 
 class HasUserGroupPermissionAnyApi(_BaseApiPerm):
     def check_permissions(self, perm_defs, repo_name=None, group_name=None,
                           user_group_name=None):
         try:
             _user_perms = {perm_defs['user_groups'][user_group_name]}
         except KeyError:
             log.warning(traceback.format_exc())
             return False
         if self.required_perms.intersection(_user_perms):
             return True
         return False
 
 
 def check_ip_access(source_ip, allowed_ips=None):
     """
     Checks if source_ip is a subnet of any of allowed_ips.
 
     :param source_ip:
     :param allowed_ips: list of allowed ips together with mask
     """
     log.debug('checking if ip:%s is subnet of %s', source_ip, allowed_ips)
     source_ip_address = ipaddress.ip_address(safe_unicode(source_ip))
     if isinstance(allowed_ips, (tuple, list, set)):
         for ip in allowed_ips:
             ip = safe_unicode(ip)
             try:
                 network_address = ipaddress.ip_network(ip, strict=False)
                 if source_ip_address in network_address:
                     log.debug('IP %s is network %s', source_ip_address, network_address)
                     return True
                 # for any case we cannot determine the IP, don't crash just
                 # skip it and log as error, we want to say forbidden still when
                 # sending bad IP
             except Exception:
                 log.error(traceback.format_exc())
                 continue
     return False
 
 
 def get_cython_compat_decorator(wrapper, func):
     """
     Creates a cython compatible decorator. The previously used
     decorator.decorator() function seems to be incompatible with cython.
 
     :param wrapper: __wrapper method of the decorator class
     :param func: decorated function
     """
     @wraps(func)
     def local_wrapper(*args, **kwds):
         return wrapper(func, *args, **kwds)
     local_wrapper.__wrapped__ = func
     return local_wrapper