UserGroup on UserGroup permissions implementation.

- user group can have another usergroup assigned
- it's impossible to assign usergroup on the same usergroup

rhodecode/controllers/admin/users_groups.py

@@ -1,368 +1,375 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.controllers.admin.users_groups
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     User Groups crud controller for pylons
 
     :created_on: Jan 25, 2011
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
 import traceback
 import formencode
 
 from formencode import htmlfill
 from pylons import request, session, tmpl_context as c, url, config
 from pylons.controllers.util import abort, redirect
 from pylons.i18n.translation import _
 
 from rhodecode.lib import helpers as h
-from rhodecode.lib.exceptions import UserGroupsAssignedException
+from rhodecode.lib.exceptions import UserGroupsAssignedException,\
+    RepoGroupAssignmentError
 from rhodecode.lib.utils2 import safe_unicode, str2bool, safe_int
 from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator,\
     HasUserGroupPermissionAnyDecorator, HasPermissionAnyDecorator
 from rhodecode.lib.base import BaseController, render
 from rhodecode.model.scm import UserGroupList
 from rhodecode.model.users_group import UserGroupModel
 from rhodecode.model.repo import RepoModel
 from rhodecode.model.db import User, UserGroup, UserGroupToPerm,\
     UserGroupRepoToPerm, UserGroupRepoGroupToPerm
 from rhodecode.model.forms import UserGroupForm, UserGroupPermsForm,\
     CustomDefaultPermissionsForm
 from rhodecode.model.meta import Session
 from rhodecode.lib.utils import action_logger
 from sqlalchemy.orm import joinedload
 from webob.exc import HTTPInternalServerError
 
 log = logging.getLogger(__name__)
 
 
 class UsersGroupsController(BaseController):
     """REST Controller styled on the Atom Publishing Protocol"""
     # To properly map this controller, ensure your config/routing.py
     # file has a resource setup:
     #     map.resource('users_group', 'users_groups')
 
     @LoginRequired()
     def __before__(self):
         super(UsersGroupsController, self).__before__()
         c.available_permissions = config['available_permissions']
 
     def __load_data(self, user_group_id):
         ugroup_repo_perms = UserGroupRepoToPerm.query()\
             .options(joinedload(UserGroupRepoToPerm.permission))\
             .options(joinedload(UserGroupRepoToPerm.repository))\
             .filter(UserGroupRepoToPerm.users_group_id == user_group_id)\
             .all()
 
         for gr in ugroup_repo_perms:
             c.users_group.permissions['repositories'][gr.repository.repo_name]  \
                 = gr.permission.permission_name
 
         ugroup_group_perms = UserGroupRepoGroupToPerm.query()\
             .options(joinedload(UserGroupRepoGroupToPerm.permission))\
             .options(joinedload(UserGroupRepoGroupToPerm.group))\
             .filter(UserGroupRepoGroupToPerm.users_group_id == user_group_id)\
             .all()
 
         for gr in ugroup_group_perms:
             c.users_group.permissions['repositories_groups'][gr.group.group_name] \
                 = gr.permission.permission_name
 
         c.group_members_obj = sorted((x.user for x in c.users_group.members),
                                      key=lambda u: u.username.lower())
 
         c.group_members = [(x.user_id, x.username) for x in c.group_members_obj]
         c.available_members = sorted(((x.user_id, x.username) for x in
                                       User.query().all()),
                                      key=lambda u: u[1].lower())
         repo_model = RepoModel()
         c.users_array = repo_model.get_users_js()
-
-        # commented out due to not now supporting assignment for user group
-        # on user group
-        c.users_groups_array = "[]"  # repo_model.get_users_groups_js()
+        c.users_groups_array = repo_model.get_users_groups_js()
         c.available_permissions = config['available_permissions']
 
     def __load_defaults(self, user_group_id):
         """
         Load defaults settings for edit, and update
 
         :param user_group_id:
         """
         user_group = UserGroup.get_or_404(user_group_id)
         data = user_group.get_dict()
 
         ug_model = UserGroupModel()
 
         data.update({
             'create_repo_perm': ug_model.has_perm(user_group,
                                                   'hg.create.repository'),
             'create_user_group_perm': ug_model.has_perm(user_group,
                                                   'hg.usergroup.create.true'),
             'fork_repo_perm': ug_model.has_perm(user_group,
                                                 'hg.fork.repository'),
         })
 
         # fill user group users
         for p in user_group.user_user_group_to_perm:
             data.update({'u_perm_%s' % p.user.username:
                              p.permission.permission_name})
 
+        for p in user_group.user_group_user_group_to_perm:
+            data.update({'g_perm_%s' % p.user_group.users_group_name:
+                             p.permission.permission_name})
+
         return data
 
     def index(self, format='html'):
         """GET /users_groups: All items in the collection"""
         # url('users_groups')
 
         group_iter = UserGroupList(UserGroup().query().all(),
                                    perm_set=['usergroup.admin'])
         sk = lambda g: g.users_group_name
         c.users_groups_list = sorted(group_iter, key=sk)
         return render('admin/users_groups/users_groups.html')
 
     @HasPermissionAnyDecorator('hg.admin', 'hg.usergroup.create.true')
     def create(self):
         """POST /users_groups: Create a new item"""
         # url('users_groups')
 
         users_group_form = UserGroupForm()()
         try:
             form_result = users_group_form.to_python(dict(request.POST))
             UserGroupModel().create(name=form_result['users_group_name'],
                                     owner=self.rhodecode_user.user_id,
                                     active=form_result['users_group_active'])
 
             gr = form_result['users_group_name']
             action_logger(self.rhodecode_user,
                           'admin_created_users_group:%s' % gr,
                           None, self.ip_addr, self.sa)
             h.flash(_('Created user group %s') % gr, category='success')
             Session().commit()
         except formencode.Invalid, errors:
             return htmlfill.render(
                 render('admin/users_groups/users_group_add.html'),
                 defaults=errors.value,
                 errors=errors.error_dict or {},
                 prefix_error=False,
                 encoding="UTF-8")
         except Exception:
             log.error(traceback.format_exc())
             h.flash(_('Error occurred during creation of user group %s') \
                     % request.POST.get('users_group_name'), category='error')
 
         return redirect(url('users_groups'))
 
     @HasPermissionAnyDecorator('hg.admin', 'hg.usergroup.create.true')
     def new(self, format='html'):
         """GET /users_groups/new: Form to create a new item"""
         # url('new_users_group')
         return render('admin/users_groups/users_group_add.html')
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def update(self, id):
         """PUT /users_groups/id: Update an existing item"""
         # Forms posted to this method should contain a hidden field:
         #    <input type="hidden" name="_method" value="PUT" />
         # Or using helpers:
         #    h.form(url('users_group', id=ID),
         #           method='put')
         # url('users_group', id=ID)
 
         c.users_group = UserGroup.get_or_404(id)
         self.__load_data(id)
 
         available_members = [safe_unicode(x[0]) for x in c.available_members]
 
         users_group_form = UserGroupForm(edit=True,
                                           old_data=c.users_group.get_dict(),
                                           available_members=available_members)()
 
         try:
             form_result = users_group_form.to_python(request.POST)
             UserGroupModel().update(c.users_group, form_result)
             gr = form_result['users_group_name']
             action_logger(self.rhodecode_user,
                           'admin_updated_users_group:%s' % gr,
                           None, self.ip_addr, self.sa)
             h.flash(_('Updated user group %s') % gr, category='success')
             Session().commit()
         except formencode.Invalid, errors:
             ug_model = UserGroupModel()
             defaults = errors.value
             e = errors.error_dict or {}
             defaults.update({
                 'create_repo_perm': ug_model.has_perm(id,
                                                       'hg.create.repository'),
                 'fork_repo_perm': ug_model.has_perm(id,
                                                     'hg.fork.repository'),
                 '_method': 'put'
             })
 
             return htmlfill.render(
                 render('admin/users_groups/users_group_edit.html'),
                 defaults=defaults,
                 errors=e,
                 prefix_error=False,
                 encoding="UTF-8")
         except Exception:
             log.error(traceback.format_exc())
             h.flash(_('Error occurred during update of user group %s') \
                     % request.POST.get('users_group_name'), category='error')
 
         return redirect(url('edit_users_group', id=id))
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def delete(self, id):
         """DELETE /users_groups/id: Delete an existing item"""
         # Forms posted to this method should contain a hidden field:
         #    <input type="hidden" name="_method" value="DELETE" />
         # Or using helpers:
         #    h.form(url('users_group', id=ID),
         #           method='delete')
         # url('users_group', id=ID)
         usr_gr = UserGroup.get_or_404(id)
         try:
             UserGroupModel().delete(usr_gr)
             Session().commit()
             h.flash(_('Successfully deleted user group'), category='success')
         except UserGroupsAssignedException, e:
             h.flash(e, category='error')
         except Exception:
             log.error(traceback.format_exc())
             h.flash(_('An error occurred during deletion of user group'),
                     category='error')
         return redirect(url('users_groups'))
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def set_user_group_perm_member(self, id):
         """
         grant permission for given usergroup
 
         :param id:
         """
         user_group = UserGroup.get_or_404(id)
         form = UserGroupPermsForm()().to_python(request.POST)
 
         # set the permissions !
-        UserGroupModel()._update_permissions(user_group, form['perms_new'],
-                                            form['perms_updates'])
+        try:
+            UserGroupModel()._update_permissions(user_group, form['perms_new'],
+                                                 form['perms_updates'])
+        except RepoGroupAssignmentError:
+            h.flash(_('Target group cannot be the same'), category='error')
+            return redirect(url('edit_users_group', id=id))
         #TODO: implement this
         #action_logger(self.rhodecode_user, 'admin_changed_repo_permissions',
         #              repo_name, self.ip_addr, self.sa)
         Session().commit()
         h.flash(_('User Group permissions updated'), category='success')
         return redirect(url('edit_users_group', id=id))
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def delete_user_group_perm_member(self, id):
         """
         DELETE an existing repository group permission user
 
         :param group_name:
         """
         try:
             obj_type = request.POST.get('obj_type')
             obj_id = None
             if obj_type == 'user':
                 obj_id = safe_int(request.POST.get('user_id'))
             elif obj_type == 'user_group':
                 obj_id = safe_int(request.POST.get('user_group_id'))
 
             if not c.rhodecode_user.is_admin:
                 if obj_type == 'user' and c.rhodecode_user.user_id == obj_id:
                     msg = _('Cannot revoke permission for yourself as admin')
                     h.flash(msg, category='warning')
                     raise Exception('revoke admin permission on self')
             if obj_type == 'user':
                 UserGroupModel().revoke_user_permission(user_group=id,
                                                         user=obj_id)
             elif obj_type == 'user_group':
-                pass
+                UserGroupModel().revoke_users_group_permission(target_user_group=id,
+                                                               user_group=obj_id)
             Session().commit()
         except Exception:
             log.error(traceback.format_exc())
             h.flash(_('An error occurred during revoking of permission'),
                     category='error')
             raise HTTPInternalServerError()
 
     def show(self, id, format='html'):
         """GET /users_groups/id: Show a specific item"""
         # url('users_group', id=ID)
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def edit(self, id, format='html'):
         """GET /users_groups/id/edit: Form to edit an existing item"""
         # url('edit_users_group', id=ID)
 
         c.users_group = UserGroup.get_or_404(id)
         self.__load_data(id)
 
         defaults = self.__load_defaults(id)
 
         return htmlfill.render(
             render('admin/users_groups/users_group_edit.html'),
             defaults=defaults,
             encoding="UTF-8",
             force_defaults=False
         )
 
     @HasUserGroupPermissionAnyDecorator('usergroup.admin')
     def update_perm(self, id):
         """PUT /users_perm/id: Update an existing item"""
         # url('users_group_perm', id=ID, method='put')
 
         users_group = UserGroup.get_or_404(id)
 
         try:
             form = CustomDefaultPermissionsForm()()
             form_result = form.to_python(request.POST)
 
             inherit_perms = form_result['inherit_default_permissions']
             users_group.inherit_default_permissions = inherit_perms
             Session().add(users_group)
             usergroup_model = UserGroupModel()
 
             defs = UserGroupToPerm.query()\
                 .filter(UserGroupToPerm.users_group == users_group)\
                 .all()
             for ug in defs:
                 Session().delete(ug)
 
             if form_result['create_repo_perm']:
                 usergroup_model.grant_perm(id, 'hg.create.repository')
             else:
                 usergroup_model.grant_perm(id, 'hg.create.none')
             if form_result['create_user_group_perm']:
                 usergroup_model.grant_perm(id, 'hg.usergroup.create.true')
             else:
                 usergroup_model.grant_perm(id, 'hg.usergroup.create.false')
             if form_result['fork_repo_perm']:
                 usergroup_model.grant_perm(id, 'hg.fork.repository')
             else:
                 usergroup_model.grant_perm(id, 'hg.fork.none')
 
             h.flash(_("Updated permissions"), category='success')
             Session().commit()
         except Exception:
             log.error(traceback.format_exc())
             h.flash(_('An error occurred during permissions saving'),
                     category='error')
 
         return redirect(url('edit_users_group', id=id))

rhodecode/lib/exceptions.py

@@ -1,80 +1,84 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.lib.exceptions
     ~~~~~~~~~~~~~~~~~~~~~~~~
 
     Set of custom exceptions used in RhodeCode
 
     :created_on: Nov 17, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 from webob.exc import HTTPClientError
 
 
 class LdapUsernameError(Exception):
     pass
 
 
 class LdapPasswordError(Exception):
     pass
 
 
 class LdapConnectionError(Exception):
     pass
 
 
 class LdapImportError(Exception):
     pass
 
 
 class DefaultUserException(Exception):
     pass
 
 
 class UserOwnsReposException(Exception):
     pass
 
 
 class UserGroupsAssignedException(Exception):
     pass
 
 
 class StatusChangeOnClosedPullRequestError(Exception):
     pass
 
 
 class AttachedForksError(Exception):
     pass
 
 
+class RepoGroupAssignmentError(Exception):
+    pass
+
+
 class HTTPLockedRC(HTTPClientError):
     """
     Special Exception For locked Repos in RhodeCode, the return code can
     be overwritten by _code keyword argument passed into constructors
     """
     code = 423
     title = explanation = 'Repository Locked'
 
     def __init__(self, reponame, username, *args, **kwargs):
         from rhodecode import CONFIG
         from rhodecode.lib.utils2 import safe_int
         _code = CONFIG.get('lock_ret_code')
         self.code = safe_int(_code, self.code)
         self.title = self.explanation = ('Repository `%s` locked by '
                                          'user `%s`' % (reponame, username))
         super(HTTPLockedRC, self).__init__(*args, **kwargs)

rhodecode/lib/vcs/exceptions.py

@@ -1,93 +1,94 b''
 # -*- coding: utf-8 -*-
 """
     vcs.exceptions
     ~~~~~~~~~~~~~~
 
     Custom exceptions module
 
     :created_on: Apr 8, 2010
     :copyright: (c) 2010-2011 by Marcin Kuzminski, Lukasz Balcerzak.
 """
 
 
 class VCSError(Exception):
     pass
 
 
 class RepositoryError(VCSError):
     pass
 
 
 class EmptyRepositoryError(RepositoryError):
     pass
 
 
 class TagAlreadyExistError(RepositoryError):
     pass
 
 
 class TagDoesNotExistError(RepositoryError):
     pass
 
 
 class BranchAlreadyExistError(RepositoryError):
     pass
 
 
 class BranchDoesNotExistError(RepositoryError):
     pass
 
 
 class ChangesetError(RepositoryError):
     pass
 
 
 class ChangesetDoesNotExistError(ChangesetError):
     pass
 
 
 class CommitError(RepositoryError):
     pass
 
 
 class NothingChangedError(CommitError):
     pass
 
 
 class NodeError(VCSError):
     pass
 
 
 class RemovedFileNodeError(NodeError):
     pass
 
 
 class NodeAlreadyExistsError(CommitError):
     pass
 
 
 class NodeAlreadyChangedError(CommitError):
     pass
 
 
 class NodeDoesNotExistError(CommitError):
     pass
 
 
 class NodeNotChangedError(CommitError):
     pass
 
 
 class NodeAlreadyAddedError(CommitError):
     pass
 
 
 class NodeAlreadyRemovedError(CommitError):
     pass
 
 
 class ImproperArchiveTypeError(VCSError):
     pass
 
+
 class CommandError(VCSError):
     pass

rhodecode/model/db.py

@@ -1,2129 +1,2131 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.model.db
     ~~~~~~~~~~~~~~~~~~
 
     Database Models for RhodeCode
 
     :created_on: Apr 08, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import os
 import logging
 import datetime
 import traceback
 import hashlib
 import time
 from collections import defaultdict
 
 from sqlalchemy import *
 from sqlalchemy.ext.hybrid import hybrid_property
 from sqlalchemy.orm import relationship, joinedload, class_mapper, validates
 from sqlalchemy.exc import DatabaseError
 from beaker.cache import cache_region, region_invalidate
 from webob.exc import HTTPNotFound
 
 from pylons.i18n.translation import lazy_ugettext as _
 
 from rhodecode.lib.vcs import get_backend
 from rhodecode.lib.vcs.utils.helpers import get_scm
 from rhodecode.lib.vcs.exceptions import VCSError
 from rhodecode.lib.vcs.utils.lazy import LazyProperty
 from rhodecode.lib.vcs.backends.base import EmptyChangeset
 
 from rhodecode.lib.utils2 import str2bool, safe_str, get_changeset_safe, \
     safe_unicode, remove_suffix, remove_prefix, time_to_datetime, _set_extras
 from rhodecode.lib.compat import json
 from rhodecode.lib.caching_query import FromCache
 
 from rhodecode.model.meta import Base, Session
 
 URL_SEP = '/'
 log = logging.getLogger(__name__)
 
 #==============================================================================
 # BASE CLASSES
 #==============================================================================
 
 _hash_key = lambda k: hashlib.md5(safe_str(k)).hexdigest()
 
 
 class BaseModel(object):
     """
     Base Model for all classess
     """
 
     @classmethod
     def _get_keys(cls):
         """return column names for this model """
         return class_mapper(cls).c.keys()
 
     def get_dict(self):
         """
         return dict with keys and values corresponding
         to this model data """
 
         d = {}
         for k in self._get_keys():
             d[k] = getattr(self, k)
 
         # also use __json__() if present to get additional fields
         _json_attr = getattr(self, '__json__', None)
         if _json_attr:
             # update with attributes from __json__
             if callable(_json_attr):
                 _json_attr = _json_attr()
             for k, val in _json_attr.iteritems():
                 d[k] = val
         return d
 
     def get_appstruct(self):
         """return list with keys and values tupples corresponding
         to this model data """
 
         l = []
         for k in self._get_keys():
             l.append((k, getattr(self, k),))
         return l
 
     def populate_obj(self, populate_dict):
         """populate model with data from given populate_dict"""
 
         for k in self._get_keys():
             if k in populate_dict:
                 setattr(self, k, populate_dict[k])
 
     @classmethod
     def query(cls):
         return Session().query(cls)
 
     @classmethod
     def get(cls, id_):
         if id_:
             return cls.query().get(id_)
 
     @classmethod
     def get_or_404(cls, id_):
         try:
             id_ = int(id_)
         except (TypeError, ValueError):
             raise HTTPNotFound
 
         res = cls.query().get(id_)
         if not res:
             raise HTTPNotFound
         return res
 
     @classmethod
     def getAll(cls):
         # deprecated and left for backward compatibility
         return cls.get_all()
 
     @classmethod
     def get_all(cls):
         return cls.query().all()
 
     @classmethod
     def delete(cls, id_):
         obj = cls.query().get(id_)
         Session().delete(obj)
 
     def __repr__(self):
         if hasattr(self, '__unicode__'):
             # python repr needs to return str
             return safe_str(self.__unicode__())
         return '<DB:%s>' % (self.__class__.__name__)
 
 
 class RhodeCodeSetting(Base, BaseModel):
     __tablename__ = 'rhodecode_settings'
     __table_args__ = (
         UniqueConstraint('app_settings_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     app_settings_id = Column("app_settings_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     app_settings_name = Column("app_settings_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     _app_settings_value = Column("app_settings_value", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __init__(self, k='', v=''):
         self.app_settings_name = k
         self.app_settings_value = v
 
     @validates('_app_settings_value')
     def validate_settings_value(self, key, val):
         assert type(val) == unicode
         return val
 
     @hybrid_property
     def app_settings_value(self):
         v = self._app_settings_value
         if self.app_settings_name in ["ldap_active",
                                       "default_repo_enable_statistics",
                                       "default_repo_enable_locking",
                                       "default_repo_private",
                                       "default_repo_enable_downloads"]:
             v = str2bool(v)
         return v
 
     @app_settings_value.setter
     def app_settings_value(self, val):
         """
         Setter that will always make sure we use unicode in app_settings_value
 
         :param val:
         """
         self._app_settings_value = safe_unicode(val)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.app_settings_name, self.app_settings_value
         )
 
     @classmethod
     def get_by_name(cls, key):
         return cls.query()\
             .filter(cls.app_settings_name == key).scalar()
 
     @classmethod
     def get_by_name_or_create(cls, key):
         res = cls.get_by_name(key)
         if not res:
             res = cls(key)
         return res
 
     @classmethod
     def get_app_settings(cls, cache=False):
 
         ret = cls.query()
 
         if cache:
             ret = ret.options(FromCache("sql_cache_short", "get_hg_settings"))
 
         if not ret:
             raise Exception('Could not get application settings !')
         settings = {}
         for each in ret:
             settings['rhodecode_' + each.app_settings_name] = \
                 each.app_settings_value
 
         return settings
 
     @classmethod
     def get_ldap_settings(cls, cache=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('ldap_')).all()
         fd = {}
         for row in ret:
             fd.update({row.app_settings_name: row.app_settings_value})
 
         return fd
 
     @classmethod
     def get_default_repo_settings(cls, cache=False, strip_prefix=False):
         ret = cls.query()\
                 .filter(cls.app_settings_name.startswith('default_')).all()
         fd = {}
         for row in ret:
             key = row.app_settings_name
             if strip_prefix:
                 key = remove_prefix(key, prefix='default_')
             fd.update({key: row.app_settings_value})
 
         return fd
 
 
 class RhodeCodeUi(Base, BaseModel):
     __tablename__ = 'rhodecode_ui'
     __table_args__ = (
         UniqueConstraint('ui_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     HOOK_UPDATE = 'changegroup.update'
     HOOK_REPO_SIZE = 'changegroup.repo_size'
     HOOK_PUSH = 'changegroup.push_logger'
     HOOK_PRE_PUSH = 'prechangegroup.pre_push'
     HOOK_PULL = 'outgoing.pull_logger'
     HOOK_PRE_PULL = 'preoutgoing.pre_pull'
 
     ui_id = Column("ui_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     ui_section = Column("ui_section", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_key = Column("ui_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_value = Column("ui_value", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     ui_active = Column("ui_active", Boolean(), nullable=True, unique=None, default=True)
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.ui_key == key).scalar()
 
     @classmethod
     def get_builtin_hooks(cls):
         q = cls.query()
         q = q.filter(cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE,
                                      cls.HOOK_PUSH, cls.HOOK_PRE_PUSH,
                                      cls.HOOK_PULL, cls.HOOK_PRE_PULL]))
         return q.all()
 
     @classmethod
     def get_custom_hooks(cls):
         q = cls.query()
         q = q.filter(~cls.ui_key.in_([cls.HOOK_UPDATE, cls.HOOK_REPO_SIZE,
                                       cls.HOOK_PUSH, cls.HOOK_PRE_PUSH,
                                       cls.HOOK_PULL, cls.HOOK_PRE_PULL]))
         q = q.filter(cls.ui_section == 'hooks')
         return q.all()
 
     @classmethod
     def get_repos_location(cls):
         return cls.get_by_key('/').ui_value
 
     @classmethod
     def create_or_update_hook(cls, key, val):
         new_ui = cls.get_by_key(key) or cls()
         new_ui.ui_section = 'hooks'
         new_ui.ui_active = True
         new_ui.ui_key = key
         new_ui.ui_value = val
 
         Session().add(new_ui)
 
     def __repr__(self):
         return '<DB:%s[%s:%s]>' % (self.__class__.__name__, self.ui_key,
                                    self.ui_value)
 
 
 class User(Base, BaseModel):
     __tablename__ = 'users'
     __table_args__ = (
         UniqueConstraint('username'), UniqueConstraint('email'),
         Index('u_username_idx', 'username'),
         Index('u_email_idx', 'email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     DEFAULT_USER = 'default'
 
     user_id = Column("user_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     username = Column("username", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     password = Column("password", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     admin = Column("admin", Boolean(), nullable=True, unique=None, default=False)
     name = Column("firstname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     lastname = Column("lastname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     _email = Column("email", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     last_login = Column("last_login", DateTime(timezone=False), nullable=True, unique=None, default=None)
     ldap_dn = Column("ldap_dn", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     api_key = Column("api_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
 
     user_log = relationship('UserLog')
     user_perms = relationship('UserToPerm', primaryjoin="User.user_id==UserToPerm.user_id", cascade='all')
 
     repositories = relationship('Repository')
     user_followers = relationship('UserFollowing', primaryjoin='UserFollowing.follows_user_id==User.user_id', cascade='all')
     followings = relationship('UserFollowing', primaryjoin='UserFollowing.user_id==User.user_id', cascade='all')
 
     repo_to_perm = relationship('UserRepoToPerm', primaryjoin='UserRepoToPerm.user_id==User.user_id', cascade='all')
     repo_group_to_perm = relationship('UserRepoGroupToPerm', primaryjoin='UserRepoGroupToPerm.user_id==User.user_id', cascade='all')
 
     group_member = relationship('UserGroupMember', cascade='all')
 
     notifications = relationship('UserNotification', cascade='all')
     # notifications assigned to this user
     user_created_notifications = relationship('Notification', cascade='all')
     # comments created by this user
     user_comments = relationship('ChangesetComment', cascade='all')
     #extra emails for this user
     user_emails = relationship('UserEmailMap', cascade='all')
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
     @property
     def firstname(self):
         # alias for future
         return self.name
 
     @property
     def emails(self):
         other = UserEmailMap.query().filter(UserEmailMap.user==self).all()
         return [self.email] + [x.email for x in other]
 
     @property
     def ip_addresses(self):
         ret = UserIpMap.query().filter(UserIpMap.user == self).all()
         return [x.ip_addr for x in ret]
 
     @property
     def username_and_name(self):
         return '%s (%s %s)' % (self.username, self.firstname, self.lastname)
 
     @property
     def full_name(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def full_name_or_username(self):
         return ('%s %s' % (self.firstname, self.lastname)
                 if (self.firstname and self.lastname) else self.username)
 
     @property
     def full_contact(self):
         return '%s %s <%s>' % (self.firstname, self.lastname, self.email)
 
     @property
     def short_contact(self):
         return '%s %s' % (self.firstname, self.lastname)
 
     @property
     def is_admin(self):
         return self.admin
 
     @property
     def AuthUser(self):
         """
         Returns instance of AuthUser for this user
         """
         from rhodecode.lib.auth import AuthUser
         return AuthUser(user_id=self.user_id, api_key=self.api_key,
                         username=self.username)
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                      self.user_id, self.username)
 
     @classmethod
     def get_by_username(cls, username, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.username.ilike(username))
         else:
             q = cls.query().filter(cls.username == username)
 
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(username)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get_by_api_key(cls, api_key, cache=False):
         q = cls.query().filter(cls.api_key == api_key)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_api_key_%s" % api_key))
         return q.scalar()
 
     @classmethod
     def get_by_email(cls, email, case_insensitive=False, cache=False):
         if case_insensitive:
             q = cls.query().filter(cls.email.ilike(email))
         else:
             q = cls.query().filter(cls.email == email)
 
         if cache:
             q = q.options(FromCache("sql_cache_short",
                                     "get_email_key_%s" % email))
 
         ret = q.scalar()
         if ret is None:
             q = UserEmailMap.query()
             # try fetching in alternate email map
             if case_insensitive:
                 q = q.filter(UserEmailMap.email.ilike(email))
             else:
                 q = q.filter(UserEmailMap.email == email)
             q = q.options(joinedload(UserEmailMap.user))
             if cache:
                 q = q.options(FromCache("sql_cache_short",
                                         "get_email_map_key_%s" % email))
             ret = getattr(q.scalar(), 'user', None)
 
         return ret
 
     @classmethod
     def get_from_cs_author(cls, author):
         """
         Tries to get User objects out of commit author string
 
         :param author:
         """
         from rhodecode.lib.helpers import email, author_name
         # Valid email in the attribute passed, see if they're in the system
         _email = email(author)
         if _email:
             user = cls.get_by_email(_email, case_insensitive=True)
             if user:
                 return user
         # Maybe we can match by username?
         _author = author_name(author)
         user = cls.get_by_username(_author, case_insensitive=True)
         if user:
             return user
 
     def update_lastlogin(self):
         """Update user lastlogin"""
         self.last_login = datetime.datetime.now()
         Session().add(self)
         log.debug('updated user %s lastlogin' % self.username)
 
     @classmethod
     def get_first_admin(cls):
         user = User.query().filter(User.admin == True).first()
         if user is None:
             raise Exception('Missing administrative account!')
         return user
 
     @classmethod
     def get_default_user(cls, cache=False):
         user = User.get_by_username(User.DEFAULT_USER, cache=cache)
         if user is None:
             raise Exception('Missing default account!')
         return user
 
     def get_api_data(self):
         """
         Common function for generating user related data for API
         """
         user = self
         data = dict(
             user_id=user.user_id,
             username=user.username,
             firstname=user.name,
             lastname=user.lastname,
             email=user.email,
             emails=user.emails,
             api_key=user.api_key,
             active=user.active,
             admin=user.admin,
             ldap_dn=user.ldap_dn,
             last_login=user.last_login,
             ip_addresses=user.ip_addresses
         )
         return data
 
     def __json__(self):
         data = dict(
             full_name=self.full_name,
             full_name_or_username=self.full_name_or_username,
             short_contact=self.short_contact,
             full_contact=self.full_contact
         )
         data.update(self.get_api_data())
         return data
 
 
 class UserEmailMap(Base, BaseModel):
     __tablename__ = 'user_email_map'
     __table_args__ = (
         Index('uem_email_idx', 'email'),
         UniqueConstraint('email'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     email_id = Column("email_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     _email = Column("email", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     user = relationship('User', lazy='joined')
 
     @validates('_email')
     def validate_email(self, key, email):
         # check if this email is not main one
         main_email = Session().query(User).filter(User.email == email).scalar()
         if main_email is not None:
             raise AttributeError('email %s is present is user table' % email)
         return email
 
     @hybrid_property
     def email(self):
         return self._email
 
     @email.setter
     def email(self, val):
         self._email = val.lower() if val else None
 
 
 class UserIpMap(Base, BaseModel):
     __tablename__ = 'user_ip_map'
     __table_args__ = (
         UniqueConstraint('user_id', 'ip_addr'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     __mapper_args__ = {}
 
     ip_id = Column("ip_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     ip_addr = Column("ip_addr", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     active = Column("active", Boolean(), nullable=True, unique=None, default=True)
     user = relationship('User', lazy='joined')
 
     @classmethod
     def _get_ip_range(cls, ip_addr):
         from rhodecode.lib import ipaddr
         net = ipaddr.IPNetwork(address=ip_addr)
         return [str(net.network), str(net.broadcast)]
 
     def __json__(self):
         return dict(
           ip_addr=self.ip_addr,
           ip_range=self._get_ip_range(self.ip_addr)
         )
 
 
 class UserLog(Base, BaseModel):
     __tablename__ = 'user_logs'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     user_log_id = Column("user_log_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     username = Column("username", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True)
     repository_name = Column("repository_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     user_ip = Column("user_ip", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     action = Column("action", UnicodeText(1200000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     action_date = Column("action_date", DateTime(timezone=False), nullable=True, unique=None, default=None)
 
     @property
     def action_as_day(self):
         return datetime.date(*self.action_date.timetuple()[:3])
 
     user = relationship('User')
     repository = relationship('Repository', cascade='')
 
 
 class UserGroup(Base, BaseModel):
     __tablename__ = 'users_groups'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_id = Column("users_group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_name = Column("users_group_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     users_group_active = Column("users_group_active", Boolean(), nullable=True, unique=None, default=None)
     inherit_default_permissions = Column("users_group_inherit_default_permissions", Boolean(), nullable=False, unique=None, default=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     members = relationship('UserGroupMember', cascade="all, delete, delete-orphan", lazy="joined")
     users_group_to_perm = relationship('UserGroupToPerm', cascade='all')
     users_group_repo_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     users_group_repo_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     user_user_group_to_perm = relationship('UserUserGroupToPerm ', cascade='all')
+    user_group_user_group_to_perm = relationship('UserGroupUserGroupToPerm ', primaryjoin="UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id", cascade='all')
+
     user = relationship('User')
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__,
                                       self.users_group_id,
                                       self.users_group_name)
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False,
                           case_insensitive=False):
         if case_insensitive:
             q = cls.query().filter(cls.users_group_name.ilike(group_name))
         else:
             q = cls.query().filter(cls.users_group_name == group_name)
         if cache:
             q = q.options(FromCache(
                             "sql_cache_short",
                             "get_user_%s" % _hash_key(group_name)
                           )
             )
         return q.scalar()
 
     @classmethod
     def get(cls, users_group_id, cache=False):
         users_group = cls.query()
         if cache:
             users_group = users_group.options(FromCache("sql_cache_short",
                                     "get_users_group_%s" % users_group_id))
         return users_group.get(users_group_id)
 
     def get_api_data(self):
         users_group = self
 
         data = dict(
             users_group_id=users_group.users_group_id,
             group_name=users_group.users_group_name,
             active=users_group.users_group_active,
         )
 
         return data
 
 
 class UserGroupMember(Base, BaseModel):
     __tablename__ = 'users_groups_members'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     users_group_member_id = Column("users_group_member_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User', lazy='joined')
     users_group = relationship('UserGroup')
 
     def __init__(self, gr_id='', u_id=''):
         self.users_group_id = gr_id
         self.user_id = u_id
 
 
 class RepositoryField(Base, BaseModel):
     __tablename__ = 'repositories_fields'
     __table_args__ = (
         UniqueConstraint('repository_id', 'field_key'),  # no-multi field
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PREFIX = 'ex_'  # prefix used in form to not conflict with already existing fields
 
     repo_field_id = Column("repo_field_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
     field_key = Column("field_key", String(250, convert_unicode=False, assert_unicode=None))
     field_label = Column("field_label", String(1024, convert_unicode=False, assert_unicode=None), nullable=False)
     field_value = Column("field_value", String(10000, convert_unicode=False, assert_unicode=None), nullable=False)
     field_desc = Column("field_desc", String(1024, convert_unicode=False, assert_unicode=None), nullable=False)
     field_type = Column("field_type", String(256), nullable=False, unique=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     repository = relationship('Repository')
 
     @property
     def field_key_prefixed(self):
         return 'ex_%s' % self.field_key
 
     @classmethod
     def un_prefix_key(cls, key):
         if key.startswith(cls.PREFIX):
             return key[len(cls.PREFIX):]
         return key
 
     @classmethod
     def get_by_key_name(cls, key, repo):
         row = cls.query()\
                 .filter(cls.repository == repo)\
                 .filter(cls.field_key == key).scalar()
         return row
 
 
 class Repository(Base, BaseModel):
     __tablename__ = 'repositories'
     __table_args__ = (
         UniqueConstraint('repo_name'),
         Index('r_repo_name_idx', 'repo_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     repo_id = Column("repo_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repo_name = Column("repo_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     clone_uri = Column("clone_uri", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     repo_type = Column("repo_type", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
     private = Column("private", Boolean(), nullable=True, unique=None, default=None)
     enable_statistics = Column("statistics", Boolean(), nullable=True, unique=None, default=True)
     enable_downloads = Column("downloads", Boolean(), nullable=True, unique=None, default=True)
     description = Column("description", String(10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     created_on = Column('created_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
     landing_rev = Column("landing_revision", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=False, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     _locked = Column("locked", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=False, default=None)
     _changeset_cache = Column("changeset_cache", LargeBinary(), nullable=True) #JSON data
 
     fork_id = Column("fork_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=False, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=False, default=None)
 
     user = relationship('User')
     fork = relationship('Repository', remote_side=repo_id)
     group = relationship('RepoGroup')
     repo_to_perm = relationship('UserRepoToPerm', cascade='all', order_by='UserRepoToPerm.repo_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoToPerm', cascade='all')
     stats = relationship('Statistics', cascade='all', uselist=False)
 
     followers = relationship('UserFollowing',
                              primaryjoin='UserFollowing.follows_repo_id==Repository.repo_id',
                              cascade='all')
     extra_fields = relationship('RepositoryField',
                                 cascade="all, delete, delete-orphan")
 
     logs = relationship('UserLog')
     comments = relationship('ChangesetComment', cascade="all, delete, delete-orphan")
 
     pull_requests_org = relationship('PullRequest',
                     primaryjoin='PullRequest.org_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     pull_requests_other = relationship('PullRequest',
                     primaryjoin='PullRequest.other_repo_id==Repository.repo_id',
                     cascade="all, delete, delete-orphan")
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (self.__class__.__name__, self.repo_id,
                                    self.repo_name)
 
     @hybrid_property
     def locked(self):
         # always should return [user_id, timelocked]
         if self._locked:
             _lock_info = self._locked.split(':')
             return int(_lock_info[0]), _lock_info[1]
         return [None, None]
 
     @locked.setter
     def locked(self, val):
         if val and isinstance(val, (list, tuple)):
             self._locked = ':'.join(map(str, val))
         else:
             self._locked = None
 
     @hybrid_property
     def changeset_cache(self):
         from rhodecode.lib.vcs.backends.base import EmptyChangeset
         dummy = EmptyChangeset().__json__()
         if not self._changeset_cache:
             return dummy
         try:
             return json.loads(self._changeset_cache)
         except TypeError:
             return dummy
 
     @changeset_cache.setter
     def changeset_cache(self, val):
         try:
             self._changeset_cache = json.dumps(val)
         except Exception:
             log.error(traceback.format_exc())
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def normalize_repo_name(cls, repo_name):
         """
         Normalizes os specific repo_name to the format internally stored inside
         dabatabase using URL_SEP
 
         :param cls:
         :param repo_name:
         """
         return cls.url_sep().join(repo_name.split(os.sep))
 
     @classmethod
     def get_by_repo_name(cls, repo_name):
         q = Session().query(cls).filter(cls.repo_name == repo_name)
         q = q.options(joinedload(Repository.fork))\
                 .options(joinedload(Repository.user))\
                 .options(joinedload(Repository.group))
         return q.scalar()
 
     @classmethod
     def get_by_full_path(cls, repo_full_path):
         repo_name = repo_full_path.split(cls.base_path(), 1)[-1]
         repo_name = cls.normalize_repo_name(repo_name)
         return cls.get_by_repo_name(repo_name.strip(URL_SEP))
 
     @classmethod
     def get_repo_forks(cls, repo_id):
         return cls.query().filter(Repository.fork_id == repo_id)
 
     @classmethod
     def base_path(cls):
         """
         Returns base path when all repos are stored
 
         :param cls:
         """
         q = Session().query(RhodeCodeUi)\
             .filter(RhodeCodeUi.ui_key == cls.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def forks(self):
         """
         Return forks of this repo
         """
         return Repository.get_repo_forks(self.repo_id)
 
     @property
     def parent(self):
         """
         Returns fork parent
         """
         return self.fork
 
     @property
     def just_name(self):
         return self.repo_name.split(Repository.url_sep())[-1]
 
     @property
     def groups_with_parents(self):
         groups = []
         if self.group is None:
             return groups
 
         cur_gr = self.group
         groups.insert(0, cur_gr)
         while 1:
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             groups.insert(0, gr)
 
         return groups
 
     @property
     def groups_and_repo(self):
         return self.groups_with_parents, self.just_name, self.repo_name
 
     @LazyProperty
     def repo_path(self):
         """
         Returns base full path for that repository means where it actually
         exists on a filesystem
         """
         q = Session().query(RhodeCodeUi).filter(RhodeCodeUi.ui_key ==
                                               Repository.url_sep())
         q = q.options(FromCache("sql_cache_short", "repository_repo_path"))
         return q.one().ui_value
 
     @property
     def repo_full_path(self):
         p = [self.repo_path]
         # we need to split the name by / since this is how we store the
         # names in the database, but that eventually needs to be converted
         # into a valid system path
         p += self.repo_name.split(Repository.url_sep())
         return os.path.join(*map(safe_unicode, p))
 
     @property
     def cache_keys(self):
         """
         Returns associated cache keys for that repo
         """
         return CacheInvalidation.query()\
             .filter(CacheInvalidation.cache_args == self.repo_name)\
             .order_by(CacheInvalidation.cache_key)\
             .all()
 
     def get_new_name(self, repo_name):
         """
         returns new full repository name based on assigned group and new new
 
         :param group_name:
         """
         path_prefix = self.group.full_path_splitted if self.group else []
         return Repository.url_sep().join(path_prefix + [repo_name])
 
     @property
     def _ui(self):
         """
         Creates an db based ui object for this repository
         """
         from rhodecode.lib.utils import make_ui
         return make_ui('db', clear_session=False)
 
     @classmethod
     def is_valid(cls, repo_name):
         """
         returns True if given repo name is a valid filesystem repository
 
         :param cls:
         :param repo_name:
         """
         from rhodecode.lib.utils import is_valid_repo
 
         return is_valid_repo(repo_name, cls.base_path())
 
     def get_api_data(self):
         """
         Common function for generating repo api data
 
         """
         repo = self
         data = dict(
             repo_id=repo.repo_id,
             repo_name=repo.repo_name,
             repo_type=repo.repo_type,
             clone_uri=repo.clone_uri,
             private=repo.private,
             created_on=repo.created_on,
             description=repo.description,
             landing_rev=repo.landing_rev,
             owner=repo.user.username,
             fork_of=repo.fork.repo_name if repo.fork else None,
             enable_statistics=repo.enable_statistics,
             enable_locking=repo.enable_locking,
             enable_downloads=repo.enable_downloads,
             last_changeset=repo.changeset_cache,
             locked_by=User.get(self.locked[0]).get_api_data() \
                 if self.locked[0] else None,
             locked_date=time_to_datetime(self.locked[1]) \
                 if self.locked[1] else None
         )
         rc_config = RhodeCodeSetting.get_app_settings()
         repository_fields = str2bool(rc_config.get('rhodecode_repository_fields'))
         if repository_fields:
             for f in self.extra_fields:
                 data[f.field_key_prefixed] = f.field_value
 
         return data
 
     @classmethod
     def lock(cls, repo, user_id):
         repo.locked = [user_id, time.time()]
         Session().add(repo)
         Session().commit()
 
     @classmethod
     def unlock(cls, repo):
         repo.locked = None
         Session().add(repo)
         Session().commit()
 
     @classmethod
     def getlock(cls, repo):
         return repo.locked
 
     @property
     def last_db_change(self):
         return self.updated_on
 
     def clone_url(self, **override):
         from pylons import url
         from urlparse import urlparse
         import urllib
         parsed_url = urlparse(url('home', qualified=True))
         default_clone_uri = '%(scheme)s://%(user)s%(pass)s%(netloc)s%(prefix)s%(path)s'
         decoded_path = safe_unicode(urllib.unquote(parsed_url.path))
         args = {
            'user': '',
            'pass': '',
            'scheme': parsed_url.scheme,
            'netloc': parsed_url.netloc,
            'prefix': decoded_path,
            'path': self.repo_name
         }
 
         args.update(override)
         return default_clone_uri % args
 
     #==========================================================================
     # SCM PROPERTIES
     #==========================================================================
 
     def get_changeset(self, rev=None):
         return get_changeset_safe(self.scm_instance, rev)
 
     def get_landing_changeset(self):
         """
         Returns landing changeset, or if that doesn't exist returns the tip
         """
         cs = self.get_changeset(self.landing_rev) or self.get_changeset()
         return cs
 
     def update_changeset_cache(self, cs_cache=None):
         """
         Update cache of last changeset for repository, keys should be::
 
             short_id
             raw_id
             revision
             message
             date
             author
 
         :param cs_cache:
         """
         from rhodecode.lib.vcs.backends.base import BaseChangeset
         if cs_cache is None:
             cs_cache = EmptyChangeset()
             # use no-cache version here
             scm_repo = self.scm_instance_no_cache()
             if scm_repo:
                 cs_cache = scm_repo.get_changeset()
 
         if isinstance(cs_cache, BaseChangeset):
             cs_cache = cs_cache.__json__()
 
         if (cs_cache != self.changeset_cache or not self.changeset_cache):
             _default = datetime.datetime.fromtimestamp(0)
             last_change = cs_cache.get('date') or _default
             log.debug('updated repo %s with new cs cache %s'
                       % (self.repo_name, cs_cache))
             self.updated_on = last_change
             self.changeset_cache = cs_cache
             Session().add(self)
             Session().commit()
         else:
             log.debug('Skipping repo:%s already with latest changes'
                       % self.repo_name)
 
     @property
     def tip(self):
         return self.get_changeset('tip')
 
     @property
     def author(self):
         return self.tip.author
 
     @property
     def last_change(self):
         return self.scm_instance.last_change
 
     def get_comments(self, revisions=None):
         """
         Returns comments for this repository grouped by revisions
 
         :param revisions: filter query by revisions only
         """
         cmts = ChangesetComment.query()\
             .filter(ChangesetComment.repo == self)
         if revisions:
             cmts = cmts.filter(ChangesetComment.revision.in_(revisions))
         grouped = defaultdict(list)
         for cmt in cmts.all():
             grouped[cmt.revision].append(cmt)
         return grouped
 
     def statuses(self, revisions=None):
         """
         Returns statuses for this repository
 
         :param revisions: list of revisions to get statuses for
         :type revisions: list
         """
 
         statuses = ChangesetStatus.query()\
             .filter(ChangesetStatus.repo == self)\
             .filter(ChangesetStatus.version == 0)
         if revisions:
             statuses = statuses.filter(ChangesetStatus.revision.in_(revisions))
         grouped = {}
 
         #maybe we have open new pullrequest without a status ?
         stat = ChangesetStatus.STATUS_UNDER_REVIEW
         status_lbl = ChangesetStatus.get_status_lbl(stat)
         for pr in PullRequest.query().filter(PullRequest.org_repo == self).all():
             for rev in pr.revisions:
                 pr_id = pr.pull_request_id
                 pr_repo = pr.other_repo.repo_name
                 grouped[rev] = [stat, status_lbl, pr_id, pr_repo]
 
         for stat in statuses.all():
             pr_id = pr_repo = None
             if stat.pull_request:
                 pr_id = stat.pull_request.pull_request_id
                 pr_repo = stat.pull_request.other_repo.repo_name
             grouped[stat.revision] = [str(stat.status), stat.status_lbl,
                                       pr_id, pr_repo]
         return grouped
 
     def _repo_size(self):
         from rhodecode.lib import helpers as h
         log.debug('calculating repository size...')
         return h.format_byte_size(self.scm_instance.size)
 
     #==========================================================================
     # SCM CACHE INSTANCE
     #==========================================================================
 
     def set_invalidate(self):
         """
         Mark caches of this repo as invalid.
         """
         CacheInvalidation.set_invalidate(self.repo_name)
 
     def scm_instance_no_cache(self):
         return self.__get_instance()
 
     @property
     def scm_instance(self):
         import rhodecode
         full_cache = str2bool(rhodecode.CONFIG.get('vcs_full_cache'))
         if full_cache:
             return self.scm_instance_cached()
         return self.__get_instance()
 
     def scm_instance_cached(self, valid_cache_keys=None):
         @cache_region('long_term')
         def _c(repo_name):
             return self.__get_instance()
         rn = self.repo_name
 
         valid = CacheInvalidation.test_and_set_valid(rn, None, valid_cache_keys=valid_cache_keys)
         if not valid:
             log.debug('Cache for %s invalidated, getting new object' % (rn))
             region_invalidate(_c, None, rn)
         else:
             log.debug('Getting obj for %s from cache' % (rn))
         return _c(rn)
 
     def __get_instance(self):
         repo_full_path = self.repo_full_path
         try:
             alias = get_scm(repo_full_path)[0]
             log.debug('Creating instance of %s repository from %s'
                       % (alias, repo_full_path))
             backend = get_backend(alias)
         except VCSError:
             log.error(traceback.format_exc())
             log.error('Perhaps this repository is in db and not in '
                       'filesystem run rescan repositories with '
                       '"destroy old data " option from admin panel')
             return
 
         if alias == 'hg':
 
             repo = backend(safe_str(repo_full_path), create=False,
                            baseui=self._ui)
             # skip hidden web repository
             if repo._get_hidden():
                 return
         else:
             repo = backend(repo_full_path, create=False)
 
         return repo
 
 
 class RepoGroup(Base, BaseModel):
     __tablename__ = 'groups'
     __table_args__ = (
         UniqueConstraint('group_name', 'group_parent_id'),
         CheckConstraint('group_id != group_parent_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     __mapper_args__ = {'order_by': 'group_name'}
 
     group_id = Column("group_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     group_name = Column("group_name", String(255, convert_unicode=False, assert_unicode=None), nullable=False, unique=True, default=None)
     group_parent_id = Column("group_parent_id", Integer(), ForeignKey('groups.group_id'), nullable=True, unique=None, default=None)
     group_description = Column("group_description", String(10000, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     enable_locking = Column("enable_locking", Boolean(), nullable=False, unique=None, default=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=False, default=None)
 
     repo_group_to_perm = relationship('UserRepoGroupToPerm', cascade='all', order_by='UserRepoGroupToPerm.group_to_perm_id')
     users_group_to_perm = relationship('UserGroupRepoGroupToPerm', cascade='all')
     parent_group = relationship('RepoGroup', remote_side=group_id)
     user = relationship('User')
 
     def __init__(self, group_name='', parent_group=None):
         self.group_name = group_name
         self.parent_group = parent_group
 
     def __unicode__(self):
         return u"<%s('id:%s:%s')>" % (self.__class__.__name__, self.group_id,
                                       self.group_name)
 
     @classmethod
     def groups_choices(cls, groups=None, show_empty_group=True):
         from webhelpers.html import literal as _literal
         if not groups:
             groups = cls.query().all()
 
         repo_groups = []
         if show_empty_group:
             repo_groups = [('-1', '-- %s --' % _('top level'))]
         sep = ' &raquo; '
         _name = lambda k: _literal(sep.join(k))
 
         repo_groups.extend([(x.group_id, _name(x.full_path_splitted))
                               for x in groups])
 
         repo_groups = sorted(repo_groups, key=lambda t: t[1].split(sep)[0])
         return repo_groups
 
     @classmethod
     def url_sep(cls):
         return URL_SEP
 
     @classmethod
     def get_by_group_name(cls, group_name, cache=False, case_insensitive=False):
         if case_insensitive:
             gr = cls.query()\
                 .filter(cls.group_name.ilike(group_name))
         else:
             gr = cls.query()\
                 .filter(cls.group_name == group_name)
         if cache:
             gr = gr.options(FromCache(
                             "sql_cache_short",
                             "get_group_%s" % _hash_key(group_name)
                             )
             )
         return gr.scalar()
 
     @property
     def parents(self):
         parents_recursion_limit = 5
         groups = []
         if self.parent_group is None:
             return groups
         cur_gr = self.parent_group
         groups.insert(0, cur_gr)
         cnt = 0
         while 1:
             cnt += 1
             gr = getattr(cur_gr, 'parent_group', None)
             cur_gr = cur_gr.parent_group
             if gr is None:
                 break
             if cnt == parents_recursion_limit:
                 # this will prevent accidental infinit loops
                 log.error('group nested more than %s' %
                           parents_recursion_limit)
                 break
 
             groups.insert(0, gr)
         return groups
 
     @property
     def children(self):
         return RepoGroup.query().filter(RepoGroup.parent_group == self)
 
     @property
     def name(self):
         return self.group_name.split(RepoGroup.url_sep())[-1]
 
     @property
     def full_path(self):
         return self.group_name
 
     @property
     def full_path_splitted(self):
         return self.group_name.split(RepoGroup.url_sep())
 
     @property
     def repositories(self):
         return Repository.query()\
                 .filter(Repository.group == self)\
                 .order_by(Repository.repo_name)
 
     @property
     def repositories_recursive_count(self):
         cnt = self.repositories.count()
 
         def children_count(group):
             cnt = 0
             for child in group.children:
                 cnt += child.repositories.count()
                 cnt += children_count(child)
             return cnt
 
         return cnt + children_count(self)
 
     def _recursive_objects(self, include_repos=True):
         all_ = []
 
         def _get_members(root_gr):
             if include_repos:
                 for r in root_gr.repositories:
                     all_.append(r)
             childs = root_gr.children.all()
             if childs:
                 for gr in childs:
                     all_.append(gr)
                     _get_members(gr)
 
         _get_members(self)
         return [self] + all_
 
     def recursive_groups_and_repos(self):
         """
         Recursive return all groups, with repositories in those groups
         """
         return self._recursive_objects()
 
     def recursive_groups(self):
         """
         Returns all children groups for this group including children of children
         """
         return self._recursive_objects(include_repos=False)
 
     def get_new_name(self, group_name):
         """
         returns new full group name based on parent and new name
 
         :param group_name:
         """
         path_prefix = (self.parent_group.full_path_splitted if
                        self.parent_group else [])
         return RepoGroup.url_sep().join(path_prefix + [group_name])
 
 
 class Permission(Base, BaseModel):
     __tablename__ = 'permissions'
     __table_args__ = (
         Index('p_perm_name_idx', 'permission_name'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     PERMS = [
         ('hg.admin', _('RhodeCode Administrator')),
 
         ('repository.none', _('Repository no access')),
         ('repository.read', _('Repository read access')),
         ('repository.write', _('Repository write access')),
         ('repository.admin', _('Repository admin access')),
 
         ('group.none', _('Repository group no access')),
         ('group.read', _('Repository group read access')),
         ('group.write', _('Repository group write access')),
         ('group.admin', _('Repository group admin access')),
 
         ('usergroup.none', _('User group no access')),
         ('usergroup.read', _('User group read access')),
         ('usergroup.write', _('User group write access')),
         ('usergroup.admin', _('User group admin access')),
 
         ('hg.repogroup.create.false', _('Repository Group creation disabled')),
         ('hg.repogroup.create.true', _('Repository Group creation enabled')),
 
         ('hg.usergroup.create.false', _('User Group creation disabled')),
         ('hg.usergroup.create.true', _('User Group creation enabled')),
 
         ('hg.create.none', _('Repository creation disabled')),
         ('hg.create.repository', _('Repository creation enabled')),
 
         ('hg.fork.none', _('Repository forking disabled')),
         ('hg.fork.repository', _('Repository forking enabled')),
 
         ('hg.register.none', _('Registration disabled')),
         ('hg.register.manual_activate', _('User Registration with manual account activation')),
         ('hg.register.auto_activate', _('User Registration with automatic account activation')),
 
         ('hg.extern_activate.manual', _('Manual activation of external account')),
         ('hg.extern_activate.auto', _('Automatic activation of external account')),
 
     ]
 
     #definition of system default permissions for DEFAULT user
     DEFAULT_USER_PERMISSIONS = [
         'repository.read',
         'group.read',
         'usergroup.read',
         'hg.create.repository',
         'hg.fork.repository',
         'hg.register.manual_activate',
         'hg.extern_activate.auto',
     ]
 
     # defines which permissions are more important higher the more important
     # Weight defines which permissions are more important.
     # The higher number the more important.
     PERM_WEIGHTS = {
         'repository.none': 0,
         'repository.read': 1,
         'repository.write': 3,
         'repository.admin': 4,
 
         'group.none': 0,
         'group.read': 1,
         'group.write': 3,
         'group.admin': 4,
 
         'usergroup.none': 0,
         'usergroup.read': 1,
         'usergroup.write': 3,
         'usergroup.admin': 4,
         'hg.repogroup.create.false': 0,
         'hg.repogroup.create.true': 1,
 
         'hg.usergroup.create.false': 0,
         'hg.usergroup.create.true': 1,
 
         'hg.fork.none': 0,
         'hg.fork.repository': 1,
         'hg.create.none': 0,
         'hg.create.repository': 1
     }
 
     permission_id = Column("permission_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     permission_name = Column("permission_name", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     permission_longname = Column("permission_longname", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__, self.permission_id, self.permission_name
         )
 
     @classmethod
     def get_by_key(cls, key):
         return cls.query().filter(cls.permission_name == key).scalar()
 
     @classmethod
     def get_default_perms(cls, default_user_id):
         q = Session().query(UserRepoToPerm, Repository, cls)\
          .join((Repository, UserRepoToPerm.repository_id == Repository.repo_id))\
          .join((cls, UserRepoToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoToPerm.user_id == default_user_id)
 
         return q.all()
 
     @classmethod
     def get_default_group_perms(cls, default_user_id):
         q = Session().query(UserRepoGroupToPerm, RepoGroup, cls)\
          .join((RepoGroup, UserRepoGroupToPerm.group_id == RepoGroup.group_id))\
          .join((cls, UserRepoGroupToPerm.permission_id == cls.permission_id))\
          .filter(UserRepoGroupToPerm.user_id == default_user_id)
 
         return q.all()
 
     @classmethod
     def get_default_user_group_perms(cls, default_user_id):
         q = Session().query(UserUserGroupToPerm, UserGroup, cls)\
          .join((UserGroup, UserUserGroupToPerm.user_group_id == UserGroup.users_group_id))\
          .join((cls, UserUserGroupToPerm.permission_id == cls.permission_id))\
          .filter(UserUserGroupToPerm.user_id == default_user_id)
 
         return q.all()
 
 
 class UserRepoToPerm(Base, BaseModel):
     __tablename__ = 'repo_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'repository_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     repo_to_perm_id = Column("repo_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     repository = relationship('Repository')
     permission = relationship('Permission')
 
     @classmethod
     def create(cls, user, repository, permission):
         n = cls()
         n.user = user
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.repository)
 
 
 class UserUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_user_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'user_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     user_group = relationship('UserGroup')
     permission = relationship('Permission')
 
     @classmethod
     def create(cls, user, user_group, permission):
         n = cls()
         n.user = user
         n.user_group = user_group
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.user_group)
 
 
 class UserToPerm(Base, BaseModel):
     __tablename__ = 'user_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_to_perm_id = Column("user_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     permission = relationship('Permission', lazy='joined')
 
     def __unicode__(self):
         return u'<%s => %s >' % (self.user, self.permission)
 
 
 class UserGroupRepoToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_to_perm'
     __table_args__ = (
         UniqueConstraint('repository_id', 'users_group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     repository = relationship('Repository')
 
     @classmethod
     def create(cls, users_group, repository, permission):
         n = cls()
         n.users_group = users_group
         n.repository = repository
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
-        return u'<userGroup:%s => %s >' % (self.users_group, self.repository)
+        return u'<UserGroupRepoToPerm:%s => %s >' % (self.users_group, self.repository)
 
 
-#TODO; not sure if this will be ever used
 class UserGroupUserGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_group_user_group_to_perm'
     __table_args__ = (
-        UniqueConstraint('user_group_id', 'user_group_id', 'permission_id'),
+        UniqueConstraint('target_user_group_id', 'user_group_id', 'permission_id'),
+        CheckConstraint('target_user_group_id != user_group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
-    user_user_group_to_perm_id = Column("user_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
-    target_user_group_id = Column("target_users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
+    user_group_user_group_to_perm_id = Column("user_group_user_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
+    target_user_group_id = Column("target_user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
     user_group_id = Column("user_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
 
-    target_user_group = relationship('UserGroup', remote_side=target_user_group_id, primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
-    user_group = relationship('UserGroup', remote_side=user_group_id, primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
+    target_user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.target_user_group_id==UserGroup.users_group_id')
+    user_group = relationship('UserGroup', primaryjoin='UserGroupUserGroupToPerm.user_group_id==UserGroup.users_group_id')
     permission = relationship('Permission')
 
     @classmethod
     def create(cls, target_user_group, user_group, permission):
         n = cls()
         n.target_user_group = target_user_group
         n.user_group = user_group
         n.permission = permission
         Session().add(n)
         return n
 
     def __unicode__(self):
-        return u'<UserGroup:%s => %s >' % (self.target_user_group, self.user_group)
+        return u'<UserGroupUserGroup:%s => %s >' % (self.target_user_group, self.user_group)
 
 
 class UserGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'permission_id',),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     users_group_to_perm_id = Column("users_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
 
 
 class UserRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'user_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('user_id', 'group_id', 'permission_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     group_to_perm_id = Column("group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     user = relationship('User')
     group = relationship('RepoGroup')
     permission = relationship('Permission')
 
 
 class UserGroupRepoGroupToPerm(Base, BaseModel):
     __tablename__ = 'users_group_repo_group_to_perm'
     __table_args__ = (
         UniqueConstraint('users_group_id', 'group_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     users_group_repo_group_to_perm_id = Column("users_group_repo_group_to_perm_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     users_group_id = Column("users_group_id", Integer(), ForeignKey('users_groups.users_group_id'), nullable=False, unique=None, default=None)
     group_id = Column("group_id", Integer(), ForeignKey('groups.group_id'), nullable=False, unique=None, default=None)
     permission_id = Column("permission_id", Integer(), ForeignKey('permissions.permission_id'), nullable=False, unique=None, default=None)
 
     users_group = relationship('UserGroup')
     permission = relationship('Permission')
     group = relationship('RepoGroup')
 
 
 class Statistics(Base, BaseModel):
     __tablename__ = 'statistics'
     __table_args__ = (
          UniqueConstraint('repository_id'),
          {'extend_existing': True, 'mysql_engine': 'InnoDB',
           'mysql_charset': 'utf8'}
     )
     stat_id = Column("stat_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     repository_id = Column("repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=False, unique=True, default=None)
     stat_on_revision = Column("stat_on_revision", Integer(), nullable=False)
     commit_activity = Column("commit_activity", LargeBinary(1000000), nullable=False)#JSON data
     commit_activity_combined = Column("commit_activity_combined", LargeBinary(), nullable=False)#JSON data
     languages = Column("languages", LargeBinary(1000000), nullable=False)#JSON data
 
     repository = relationship('Repository', single_parent=True)
 
 
 class UserFollowing(Base, BaseModel):
     __tablename__ = 'user_followings'
     __table_args__ = (
         UniqueConstraint('user_id', 'follows_repository_id'),
         UniqueConstraint('user_id', 'follows_user_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
 
     user_following_id = Column("user_following_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None, default=None)
     follows_repo_id = Column("follows_repository_id", Integer(), ForeignKey('repositories.repo_id'), nullable=True, unique=None, default=None)
     follows_user_id = Column("follows_user_id", Integer(), ForeignKey('users.user_id'), nullable=True, unique=None, default=None)
     follows_from = Column('follows_from', DateTime(timezone=False), nullable=True, unique=None, default=datetime.datetime.now)
 
     user = relationship('User', primaryjoin='User.user_id==UserFollowing.user_id')
 
     follows_user = relationship('User', primaryjoin='User.user_id==UserFollowing.follows_user_id')
     follows_repository = relationship('Repository', order_by='Repository.repo_name')
 
     @classmethod
     def get_repo_followers(cls, repo_id):
         return cls.query().filter(cls.follows_repo_id == repo_id)
 
 
 class CacheInvalidation(Base, BaseModel):
     __tablename__ = 'cache_invalidation'
     __table_args__ = (
         UniqueConstraint('cache_key'),
         Index('key_idx', 'cache_key'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     # cache_id, not used
     cache_id = Column("cache_id", Integer(), nullable=False, unique=True, default=None, primary_key=True)
     # cache_key as created by _get_cache_key
     cache_key = Column("cache_key", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     # cache_args is a repo_name
     cache_args = Column("cache_args", String(255, convert_unicode=False, assert_unicode=None), nullable=True, unique=None, default=None)
     # instance sets cache_active True when it is caching,
     # other instances set cache_active to False to indicate that this cache is invalid
     cache_active = Column("cache_active", Boolean(), nullable=True, unique=None, default=False)
 
     def __init__(self, cache_key, repo_name=''):
         self.cache_key = cache_key
         self.cache_args = repo_name
         self.cache_active = False
 
     def __unicode__(self):
         return u"<%s('%s:%s[%s]')>" % (self.__class__.__name__,
                             self.cache_id, self.cache_key, self.cache_active)
 
     def _cache_key_partition(self):
         prefix, repo_name, suffix = self.cache_key.partition(self.cache_args)
         return prefix, repo_name, suffix
 
     def get_prefix(self):
         """
         get prefix that might have been used in _get_cache_key to
         generate self.cache_key. Only used for informational purposes
         in repo_edit.html.
         """
         # prefix, repo_name, suffix
         return self._cache_key_partition()[0]
 
     def get_suffix(self):
         """
         get suffix that might have been used in _get_cache_key to
         generate self.cache_key. Only used for informational purposes
         in repo_edit.html.
         """
         # prefix, repo_name, suffix
         return self._cache_key_partition()[2]
 
     @classmethod
     def clear_cache(cls):
         """
         Delete all cache keys from database.
         Should only be run when all instances are down and all entries thus stale.
         """
         cls.query().delete()
         Session().commit()
 
     @classmethod
     def _get_cache_key(cls, key):
         """
         Wrapper for generating a unique cache key for this instance and "key".
         key must / will start with a repo_name which will be stored in .cache_args .
         """
         import rhodecode
         prefix = rhodecode.CONFIG.get('instance_id', '')
         return "%s%s" % (prefix, key)
 
     @classmethod
     def set_invalidate(cls, repo_name):
         """
         Mark all caches of a repo as invalid in the database.
         """
         inv_objs = Session().query(cls).filter(cls.cache_args == repo_name).all()
 
         try:
             for inv_obj in inv_objs:
                 log.debug('marking %s key for invalidation based on repo_name=%s'
                           % (inv_obj, safe_str(repo_name)))
                 inv_obj.cache_active = False
                 Session().add(inv_obj)
             Session().commit()
         except Exception:
             log.error(traceback.format_exc())
             Session().rollback()
 
     @classmethod
     def test_and_set_valid(cls, repo_name, kind, valid_cache_keys=None):
         """
         Mark this cache key as active and currently cached.
         Return True if the existing cache registration still was valid.
         Return False to indicate that it had been invalidated and caches should be refreshed.
         """
 
         key = (repo_name + '_' + kind) if kind else repo_name
         cache_key = cls._get_cache_key(key)
 
         if valid_cache_keys and cache_key in valid_cache_keys:
             return True
 
         try:
             inv_obj = cls.query().filter(cls.cache_key == cache_key).scalar()
             if not inv_obj:
                 inv_obj = CacheInvalidation(cache_key, repo_name)
             was_valid = inv_obj.cache_active
             inv_obj.cache_active = True
             Session().add(inv_obj)
             Session().commit()
             return was_valid
         except Exception:
             log.error(traceback.format_exc())
             Session().rollback()
             return False
 
     @classmethod
     def get_valid_cache_keys(cls):
         """
         Return opaque object with information of which caches still are valid
         and can be used without checking for invalidation.
         """
         return set(inv_obj.cache_key for inv_obj in cls.query().filter(cls.cache_active).all())
 
 
 class ChangesetComment(Base, BaseModel):
     __tablename__ = 'changeset_comments'
     __table_args__ = (
         Index('cc_revision_idx', 'revision'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     comment_id = Column('comment_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     revision = Column('revision', String(40), nullable=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
     line_no = Column('line_no', Unicode(10), nullable=True)
     hl_lines = Column('hl_lines', Unicode(512), nullable=True)
     f_path = Column('f_path', Unicode(1000), nullable=True)
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)
     text = Column('text', UnicodeText(25000), nullable=False)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     modified_at = Column('modified_at', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     status_change = relationship('ChangesetStatus', cascade="all, delete, delete-orphan")
     pull_request = relationship('PullRequest', lazy='joined')
 
     @classmethod
     def get_users(cls, revision=None, pull_request_id=None):
         """
         Returns user associated with this ChangesetComment. ie those
         who actually commented
 
         :param cls:
         :param revision:
         """
         q = Session().query(User)\
                 .join(ChangesetComment.author)
         if revision:
             q = q.filter(cls.revision == revision)
         elif pull_request_id:
             q = q.filter(cls.pull_request_id == pull_request_id)
         return q.all()
 
 
 class ChangesetStatus(Base, BaseModel):
     __tablename__ = 'changeset_statuses'
     __table_args__ = (
         Index('cs_revision_idx', 'revision'),
         Index('cs_version_idx', 'version'),
         UniqueConstraint('repo_id', 'revision', 'version'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     STATUS_NOT_REVIEWED = DEFAULT = 'not_reviewed'
     STATUS_APPROVED = 'approved'
     STATUS_REJECTED = 'rejected'
     STATUS_UNDER_REVIEW = 'under_review'
 
     STATUSES = [
         (STATUS_NOT_REVIEWED, _("Not Reviewed")),  # (no icon) and default
         (STATUS_APPROVED, _("Approved")),
         (STATUS_REJECTED, _("Rejected")),
         (STATUS_UNDER_REVIEW, _("Under Review")),
     ]
 
     changeset_status_id = Column('changeset_status_id', Integer(), nullable=False, primary_key=True)
     repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     revision = Column('revision', String(40), nullable=False)
     status = Column('status', String(128), nullable=False, default=DEFAULT)
     changeset_comment_id = Column('changeset_comment_id', Integer(), ForeignKey('changeset_comments.comment_id'))
     modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)
     version = Column('version', Integer(), nullable=False, default=0)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=True)
 
     author = relationship('User', lazy='joined')
     repo = relationship('Repository')
     comment = relationship('ChangesetComment', lazy='joined')
     pull_request = relationship('PullRequest', lazy='joined')
 
     def __unicode__(self):
         return u"<%s('%s:%s')>" % (
             self.__class__.__name__,
             self.status, self.author
         )
 
     @classmethod
     def get_status_lbl(cls, value):
         return dict(cls.STATUSES).get(value)
 
     @property
     def status_lbl(self):
         return ChangesetStatus.get_status_lbl(self.status)
 
 
 class PullRequest(Base, BaseModel):
     __tablename__ = 'pull_requests'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     STATUS_NEW = u'new'
     STATUS_OPEN = u'open'
     STATUS_CLOSED = u'closed'
 
     pull_request_id = Column('pull_request_id', Integer(), nullable=False, primary_key=True)
     title = Column('title', Unicode(256), nullable=True)
     description = Column('description', UnicodeText(10240), nullable=True)
     status = Column('status', Unicode(256), nullable=False, default=STATUS_NEW)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     updated_on = Column('updated_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)
     _revisions = Column('revisions', UnicodeText(20500))  # 500 revisions max
     org_repo_id = Column('org_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     org_ref = Column('org_ref', Unicode(256), nullable=False)
     other_repo_id = Column('other_repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)
     other_ref = Column('other_ref', Unicode(256), nullable=False)
 
     @hybrid_property
     def revisions(self):
         return self._revisions.split(':')
 
     @revisions.setter
     def revisions(self, val):
         self._revisions = ':'.join(val)
 
     @property
     def org_ref_parts(self):
         return self.org_ref.split(':')
 
     @property
     def other_ref_parts(self):
         return self.other_ref.split(':')
 
     author = relationship('User', lazy='joined')
     reviewers = relationship('PullRequestReviewers',
                              cascade="all, delete, delete-orphan")
     org_repo = relationship('Repository', primaryjoin='PullRequest.org_repo_id==Repository.repo_id')
     other_repo = relationship('Repository', primaryjoin='PullRequest.other_repo_id==Repository.repo_id')
     statuses = relationship('ChangesetStatus')
     comments = relationship('ChangesetComment',
                              cascade="all, delete, delete-orphan")
 
     def is_closed(self):
         return self.status == self.STATUS_CLOSED
 
     @property
     def last_review_status(self):
         return self.statuses[-1].status if self.statuses else ''
 
     def __json__(self):
         return dict(
           revisions=self.revisions
         )
 
 
 class PullRequestReviewers(Base, BaseModel):
     __tablename__ = 'pull_request_reviewers'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     def __init__(self, user=None, pull_request=None):
         self.user = user
         self.pull_request = pull_request
 
     pull_requests_reviewers_id = Column('pull_requests_reviewers_id', Integer(), nullable=False, primary_key=True)
     pull_request_id = Column("pull_request_id", Integer(), ForeignKey('pull_requests.pull_request_id'), nullable=False)
     user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=True)
 
     user = relationship('User')
     pull_request = relationship('PullRequest')
 
 
 class Notification(Base, BaseModel):
     __tablename__ = 'notifications'
     __table_args__ = (
         Index('notification_type_idx', 'type'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
 
     TYPE_CHANGESET_COMMENT = u'cs_comment'
     TYPE_MESSAGE = u'message'
     TYPE_MENTION = u'mention'
     TYPE_REGISTRATION = u'registration'
     TYPE_PULL_REQUEST = u'pull_request'
     TYPE_PULL_REQUEST_COMMENT = u'pull_request_comment'
 
     notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)
     subject = Column('subject', Unicode(512), nullable=True)
     body = Column('body', UnicodeText(50000), nullable=True)
     created_by = Column("created_by", Integer(), ForeignKey('users.user_id'), nullable=True)
     created_on = Column('created_on', DateTime(timezone=False), nullable=False, default=datetime.datetime.now)
     type_ = Column('type', Unicode(256))
 
     created_by_user = relationship('User')
     notifications_to_users = relationship('UserNotification', lazy='joined',
                                           cascade="all, delete, delete-orphan")
 
     @property
     def recipients(self):
         return [x.user for x in UserNotification.query()\
                 .filter(UserNotification.notification == self)\
                 .order_by(UserNotification.user_id.asc()).all()]
 
     @classmethod
     def create(cls, created_by, subject, body, recipients, type_=None):
         if type_ is None:
             type_ = Notification.TYPE_MESSAGE
 
         notification = cls()
         notification.created_by_user = created_by
         notification.subject = subject
         notification.body = body
         notification.type_ = type_
         notification.created_on = datetime.datetime.now()
 
         for u in recipients:
             assoc = UserNotification()
             assoc.notification = notification
             u.notifications.append(assoc)
         Session().add(notification)
         return notification
 
     @property
     def description(self):
         from rhodecode.model.notification import NotificationModel
         return NotificationModel().make_description(self)
 
 
 class UserNotification(Base, BaseModel):
     __tablename__ = 'user_to_notification'
     __table_args__ = (
         UniqueConstraint('user_id', 'notification_id'),
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'}
     )
     user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), primary_key=True)
     notification_id = Column("notification_id", Integer(), ForeignKey('notifications.notification_id'), primary_key=True)
     read = Column('read', Boolean, default=False)
     sent_on = Column('sent_on', DateTime(timezone=False), nullable=True, unique=None)
 
     user = relationship('User', lazy="joined")
     notification = relationship('Notification', lazy="joined",
                                 order_by=lambda: Notification.created_on.desc(),)
 
     def mark_as_read(self):
         self.read = True
         Session().add(self)
 
 
 class DbMigrateVersion(Base, BaseModel):
     __tablename__ = 'db_migrate_version'
     __table_args__ = (
         {'extend_existing': True, 'mysql_engine': 'InnoDB',
          'mysql_charset': 'utf8'},
     )
     repository_id = Column('repository_id', String(250), primary_key=True)
     repository_path = Column('repository_path', Text)
     version = Column('version', Integer)

rhodecode/model/user.py

@@ -1,782 +1,803 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.model.user
     ~~~~~~~~~~~~~~~~~~~~
 
     users model for RhodeCode
 
     :created_on: Apr 9, 2010
     :author: marcink
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
 import traceback
 import itertools
 import collections
 from pylons import url
 from pylons.i18n.translation import _
 
 from sqlalchemy.exc import DatabaseError
 from sqlalchemy.orm import joinedload
 
 from rhodecode.lib.utils2 import safe_unicode, generate_api_key
 from rhodecode.lib.caching_query import FromCache
 from rhodecode.model import BaseModel
 from rhodecode.model.db import User, UserRepoToPerm, Repository, Permission, \
     UserToPerm, UserGroupRepoToPerm, UserGroupToPerm, UserGroupMember, \
     Notification, RepoGroup, UserRepoGroupToPerm, UserGroupRepoGroupToPerm, \
-    UserEmailMap, UserIpMap
+    UserEmailMap, UserIpMap, UserGroupUserGroupToPerm, UserGroup
 from rhodecode.lib.exceptions import DefaultUserException, \
     UserOwnsReposException
 from rhodecode.model.meta import Session
 
 
 log = logging.getLogger(__name__)
 
 PERM_WEIGHTS = Permission.PERM_WEIGHTS
 
 
 class UserModel(BaseModel):
     cls = User
 
     def get(self, user_id, cache=False):
         user = self.sa.query(User)
         if cache:
             user = user.options(FromCache("sql_cache_short",
                                           "get_user_%s" % user_id))
         return user.get(user_id)
 
     def get_user(self, user):
         return self._get_user(user)
 
     def get_by_username(self, username, cache=False, case_insensitive=False):
 
         if case_insensitive:
             user = self.sa.query(User).filter(User.username.ilike(username))
         else:
             user = self.sa.query(User)\
                 .filter(User.username == username)
         if cache:
             user = user.options(FromCache("sql_cache_short",
                                           "get_user_%s" % username))
         return user.scalar()
 
     def get_by_email(self, email, cache=False, case_insensitive=False):
         return User.get_by_email(email, case_insensitive, cache)
 
     def get_by_api_key(self, api_key, cache=False):
         return User.get_by_api_key(api_key, cache)
 
     def create(self, form_data):
         from rhodecode.lib.auth import get_crypt_password
         try:
             new_user = User()
             for k, v in form_data.items():
                 if k == 'password':
                     v = get_crypt_password(v)
                 if k == 'firstname':
                     k = 'name'
                 setattr(new_user, k, v)
 
             new_user.api_key = generate_api_key(form_data['username'])
             self.sa.add(new_user)
             return new_user
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def create_or_update(self, username, password, email, firstname='',
                          lastname='', active=True, admin=False, ldap_dn=None):
         """
         Creates a new instance if not found, or updates current one
 
         :param username:
         :param password:
         :param email:
         :param active:
         :param firstname:
         :param lastname:
         :param active:
         :param admin:
         :param ldap_dn:
         """
 
         from rhodecode.lib.auth import get_crypt_password
 
         log.debug('Checking for %s account in RhodeCode database' % username)
         user = User.get_by_username(username, case_insensitive=True)
         if user is None:
             log.debug('creating new user %s' % username)
             new_user = User()
             edit = False
         else:
             log.debug('updating user %s' % username)
             new_user = user
             edit = True
 
         try:
             new_user.username = username
             new_user.admin = admin
             # set password only if creating an user or password is changed
             if not edit or user.password != password:
                 new_user.password = get_crypt_password(password)
                 new_user.api_key = generate_api_key(username)
             new_user.email = email
             new_user.active = active
             new_user.ldap_dn = safe_unicode(ldap_dn) if ldap_dn else None
             new_user.name = firstname
             new_user.lastname = lastname
             self.sa.add(new_user)
             return new_user
         except (DatabaseError,):
             log.error(traceback.format_exc())
             raise
 
     def create_for_container_auth(self, username, attrs):
         """
         Creates the given user if it's not already in the database
 
         :param username:
         :param attrs:
         """
         if self.get_by_username(username, case_insensitive=True) is None:
 
             # autogenerate email for container account without one
             generate_email = lambda usr: '%s@container_auth.account' % usr
 
             try:
                 new_user = User()
                 new_user.username = username
                 new_user.password = None
                 new_user.api_key = generate_api_key(username)
                 new_user.email = attrs['email']
                 new_user.active = attrs.get('active', True)
                 new_user.name = attrs['name'] or generate_email(username)
                 new_user.lastname = attrs['lastname']
 
                 self.sa.add(new_user)
                 return new_user
             except (DatabaseError,):
                 log.error(traceback.format_exc())
                 self.sa.rollback()
                 raise
         log.debug('User %s already exists. Skipping creation of account'
                   ' for container auth.', username)
         return None
 
     def create_ldap(self, username, password, user_dn, attrs):
         """
         Checks if user is in database, if not creates this user marked
         as ldap user
 
         :param username:
         :param password:
         :param user_dn:
         :param attrs:
         """
         from rhodecode.lib.auth import get_crypt_password
         log.debug('Checking for such ldap account in RhodeCode database')
         if self.get_by_username(username, case_insensitive=True) is None:
 
             # autogenerate email for ldap account without one
             generate_email = lambda usr: '[e-mail]' % usr
 
             try:
                 new_user = User()
                 username = username.lower()
                 # add ldap account always lowercase
                 new_user.username = username
                 new_user.password = get_crypt_password(password)
                 new_user.api_key = generate_api_key(username)
                 new_user.email = attrs['email'] or generate_email(username)
                 new_user.active = attrs.get('active', True)
                 new_user.ldap_dn = safe_unicode(user_dn)
                 new_user.name = attrs['name']
                 new_user.lastname = attrs['lastname']
 
                 self.sa.add(new_user)
                 return new_user
             except (DatabaseError,):
                 log.error(traceback.format_exc())
                 self.sa.rollback()
                 raise
         log.debug('this %s user exists skipping creation of ldap account',
                   username)
         return None
 
     def create_registration(self, form_data):
         from rhodecode.model.notification import NotificationModel
 
         try:
             form_data['admin'] = False
             new_user = self.create(form_data)
 
             self.sa.add(new_user)
             self.sa.flush()
 
             # notification to admins
             subject = _('New user registration')
             body = ('New user registration\n'
                     '---------------------\n'
                     '- Username: %s\n'
                     '- Full Name: %s\n'
                     '- Email: %s\n')
             body = body % (new_user.username, new_user.full_name,
                            new_user.email)
             edit_url = url('edit_user', id=new_user.user_id, qualified=True)
             kw = {'registered_user_url': edit_url}
             NotificationModel().create(created_by=new_user, subject=subject,
                                        body=body, recipients=None,
                                        type_=Notification.TYPE_REGISTRATION,
                                        email_kwargs=kw)
 
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def update(self, user_id, form_data, skip_attrs=[]):
         from rhodecode.lib.auth import get_crypt_password
         try:
             user = self.get(user_id, cache=False)
             if user.username == 'default':
                 raise DefaultUserException(
                                 _("You can't Edit this user since it's"
                                   " crucial for entire application"))
 
             for k, v in form_data.items():
                 if k in skip_attrs:
                     continue
                 if k == 'new_password' and v:
                     user.password = get_crypt_password(v)
                     user.api_key = generate_api_key(user.username)
                 else:
                     if k == 'firstname':
                         k = 'name'
                     setattr(user, k, v)
             self.sa.add(user)
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def update_user(self, user, **kwargs):
         from rhodecode.lib.auth import get_crypt_password
         try:
             user = self._get_user(user)
             if user.username == 'default':
                 raise DefaultUserException(
                     _("You can't Edit this user since it's"
                       " crucial for entire application")
                 )
 
             for k, v in kwargs.items():
                 if k == 'password' and v:
                     v = get_crypt_password(v)
                     user.api_key = generate_api_key(user.username)
 
                 setattr(user, k, v)
             self.sa.add(user)
             return user
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def delete(self, user):
         user = self._get_user(user)
 
         try:
             if user.username == 'default':
                 raise DefaultUserException(
                     _(u"You can't remove this user since it's"
                       " crucial for entire application")
                 )
             if user.repositories:
                 repos = [x.repo_name for x in user.repositories]
                 raise UserOwnsReposException(
                     _(u'user "%s" still owns %s repositories and cannot be '
                       'removed. Switch owners or remove those repositories. %s')
                     % (user.username, len(repos), ', '.join(repos))
                 )
             self.sa.delete(user)
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def reset_password_link(self, data):
         from rhodecode.lib.celerylib import tasks, run_task
         from rhodecode.model.notification import EmailNotificationModel
         user_email = data['email']
         try:
             user = User.get_by_email(user_email)
             if user:
                 log.debug('password reset user found %s' % user)
                 link = url('reset_password_confirmation', key=user.api_key,
                            qualified=True)
                 reg_type = EmailNotificationModel.TYPE_PASSWORD_RESET
                 body = EmailNotificationModel().get_email_tmpl(reg_type,
                                                     **{'user': user.short_contact,
                                                        'reset_url': link})
                 log.debug('sending email')
                 run_task(tasks.send_email, user_email,
                          _("Password reset link"), body, body)
                 log.info('send new password mail to %s' % user_email)
             else:
                 log.debug("password reset email %s not found" % user_email)
         except Exception:
             log.error(traceback.format_exc())
             return False
 
         return True
 
     def reset_password(self, data):
         from rhodecode.lib.celerylib import tasks, run_task
         from rhodecode.lib import auth
         user_email = data['email']
         try:
             try:
                 user = User.get_by_email(user_email)
                 new_passwd = auth.PasswordGenerator().gen_password(8,
                                  auth.PasswordGenerator.ALPHABETS_BIG_SMALL)
                 if user:
                     user.password = auth.get_crypt_password(new_passwd)
                     user.api_key = auth.generate_api_key(user.username)
                     Session().add(user)
                     Session().commit()
                     log.info('change password for %s' % user_email)
                 if new_passwd is None:
                     raise Exception('unable to generate new password')
             except Exception:
                 log.error(traceback.format_exc())
                 Session().rollback()
 
             run_task(tasks.send_email, user_email,
                      _('Your new password'),
                      _('Your new RhodeCode password:%s') % (new_passwd))
             log.info('send new password mail to %s' % user_email)
 
         except Exception:
             log.error('Failed to update user password')
             log.error(traceback.format_exc())
 
         return True
 
     def fill_data(self, auth_user, user_id=None, api_key=None):
         """
         Fetches auth_user by user_id,or api_key if present.
         Fills auth_user attributes with those taken from database.
         Additionally set's is_authenitated if lookup fails
         present in database
 
         :param auth_user: instance of user to set attributes
         :param user_id: user id to fetch by
         :param api_key: api key to fetch by
         """
         if user_id is None and api_key is None:
             raise Exception('You need to pass user_id or api_key')
 
         try:
             if api_key:
                 dbuser = self.get_by_api_key(api_key)
             else:
                 dbuser = self.get(user_id)
 
             if dbuser is not None and dbuser.active:
                 log.debug('filling %s data' % dbuser)
                 for k, v in dbuser.get_dict().items():
                     setattr(auth_user, k, v)
             else:
                 return False
 
         except Exception:
             log.error(traceback.format_exc())
             auth_user.is_authenticated = False
             return False
 
         return True
 
     def fill_perms(self, user, explicit=True, algo='higherwin'):
         """
         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: user instance to fill his perms
         :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
         """
         RK = 'repositories'
         GK = 'repositories_groups'
         UK = 'user_groups'
         GLOBAL = 'global'
         user.permissions[RK] = {}
         user.permissions[GK] = {}
         user.permissions[UK] = {}
         user.permissions[GLOBAL] = set()
 
         def _choose_perm(new_perm, cur_perm):
             new_perm_val = PERM_WEIGHTS[new_perm]
             cur_perm_val = PERM_WEIGHTS[cur_perm]
             if algo == 'higherwin':
                 if new_perm_val > cur_perm_val:
                     return new_perm
                 return cur_perm
             elif algo == 'lowerwin':
                 if new_perm_val < cur_perm_val:
                     return new_perm
                 return cur_perm
 
         #======================================================================
         # fetch default permissions
         #======================================================================
         default_user = User.get_by_username('default', cache=True)
         default_user_id = default_user.user_id
 
         default_repo_perms = Permission.get_default_perms(default_user_id)
         default_repo_groups_perms = Permission.get_default_group_perms(default_user_id)
         default_user_group_perms = Permission.get_default_user_group_perms(default_user_id)
 
         if user.is_admin:
             #==================================================================
             # admin user have all default rights for repositories
             # and groups set to admin
             #==================================================================
             user.permissions[GLOBAL].add('hg.admin')
 
             # repositories
             for perm in default_repo_perms:
                 r_k = perm.UserRepoToPerm.repository.repo_name
                 p = 'repository.admin'
                 user.permissions[RK][r_k] = p
 
             # repository groups
             for perm in default_repo_groups_perms:
                 rg_k = perm.UserRepoGroupToPerm.group.group_name
                 p = 'group.admin'
                 user.permissions[GK][rg_k] = p
 
             # user groups
             for perm in default_user_group_perms:
                 u_k = perm.UserUserGroupToPerm.user_group.users_group_name
                 p = 'usergroup.admin'
                 user.permissions[UK][u_k] = p
             return user
 
         #==================================================================
         # SET DEFAULTS GLOBAL, REPOS, REPOSITORY GROUPS
         #==================================================================
         uid = user.user_id
 
         # default global permissions taken fron the default user
         default_global_perms = self.sa.query(UserToPerm)\
             .filter(UserToPerm.user_id == default_user_id)
 
         for perm in default_global_perms:
             user.permissions[GLOBAL].add(perm.permission.permission_name)
 
         # defaults for repositories, taken from default user
         for perm in default_repo_perms:
             r_k = perm.UserRepoToPerm.repository.repo_name
             if perm.Repository.private and not (perm.Repository.user_id == uid):
                 # disable defaults for private repos,
                 p = 'repository.none'
             elif perm.Repository.user_id == uid:
                 # set admin if owner
                 p = 'repository.admin'
             else:
                 p = perm.Permission.permission_name
 
             user.permissions[RK][r_k] = p
 
         # defaults for repository groups taken from default user permission
         # on given group
         for perm in default_repo_groups_perms:
             rg_k = perm.UserRepoGroupToPerm.group.group_name
             p = perm.Permission.permission_name
             user.permissions[GK][rg_k] = p
 
         # defaults for user groups taken from default user permission
         # on given user group
         for perm in default_user_group_perms:
             u_k = perm.UserUserGroupToPerm.user_group.users_group_name
             p = perm.Permission.permission_name
             user.permissions[UK][u_k] = p
 
         #======================================================================
         # !! OVERRIDE GLOBALS !! with user permissions if any found
         #======================================================================
         # those can be configured from groups or users explicitly
         _configurable = set([
             'hg.fork.none', 'hg.fork.repository',
             'hg.create.none', 'hg.create.repository',
             'hg.usergroup.create.false', 'hg.usergroup.create.true'
         ])
 
         # USER GROUPS comes first
         # user group global permissions
         user_perms_from_users_groups = self.sa.query(UserGroupToPerm)\
             .options(joinedload(UserGroupToPerm.permission))\
             .join((UserGroupMember, UserGroupToPerm.users_group_id ==
                    UserGroupMember.users_group_id))\
             .filter(UserGroupMember.user_id == uid)\
             .order_by(UserGroupToPerm.users_group_id)\
             .all()
         #need to group here by groups since user can be in more than one group
         _grouped = [[x, list(y)] for x, y in
                     itertools.groupby(user_perms_from_users_groups,
                                       lambda x:x.users_group)]
         for gr, perms in _grouped:
             # since user can be in multiple groups iterate over them and
             # select the lowest permissions first (more explicit)
             ##TODO: do this^^
             if not gr.inherit_default_permissions:
                 # NEED TO IGNORE all configurable permissions and
                 # replace them with explicitly set
                 user.permissions[GLOBAL] = user.permissions[GLOBAL]\
                                                 .difference(_configurable)
             for perm in perms:
                 user.permissions[GLOBAL].add(perm.permission.permission_name)
 
         # user specific global permissions
         user_perms = self.sa.query(UserToPerm)\
                 .options(joinedload(UserToPerm.permission))\
                 .filter(UserToPerm.user_id == uid).all()
 
         if not user.inherit_default_permissions:
             # NEED TO IGNORE all configurable permissions and
             # replace them with explicitly set
             user.permissions[GLOBAL] = user.permissions[GLOBAL]\
                                             .difference(_configurable)
 
             for perm in user_perms:
                 user.permissions[GLOBAL].add(perm.permission.permission_name)
         ## END GLOBAL PERMISSIONS
 
-
         #======================================================================
         # !! PERMISSIONS FOR REPOSITORIES !!
         #======================================================================
         #======================================================================
         # check if user is part of user groups for this repository and
         # fill in his permission from it. _choose_perm decides of which
         # permission should be selected based on selected method
         #======================================================================
 
         # user group for repositories permissions
         user_repo_perms_from_users_groups = \
          self.sa.query(UserGroupRepoToPerm, Permission, Repository,)\
             .join((Repository, UserGroupRepoToPerm.repository_id ==
                    Repository.repo_id))\
             .join((Permission, UserGroupRepoToPerm.permission_id ==
                    Permission.permission_id))\
             .join((UserGroupMember, UserGroupRepoToPerm.users_group_id ==
                    UserGroupMember.users_group_id))\
             .filter(UserGroupMember.user_id == uid)\
             .all()
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_repo_perms_from_users_groups:
             r_k = perm.UserGroupRepoToPerm.repository.repo_name
             multiple_counter[r_k] += 1
             p = perm.Permission.permission_name
             cur_perm = user.permissions[RK][r_k]
 
             if perm.Repository.user_id == uid:
                 # set admin if owner
                 p = 'repository.admin'
             else:
                 if multiple_counter[r_k] > 1:
                     p = _choose_perm(p, cur_perm)
             user.permissions[RK][r_k] = p
 
         # user explicit permissions for repositories, overrides any specified
         # by the group permission
         user_repo_perms = Permission.get_default_perms(uid)
         for perm in user_repo_perms:
             r_k = perm.UserRepoToPerm.repository.repo_name
             cur_perm = user.permissions[RK][r_k]
             # set admin if owner
             if perm.Repository.user_id == uid:
                 p = 'repository.admin'
             else:
                 p = perm.Permission.permission_name
                 if not explicit:
                     p = _choose_perm(p, cur_perm)
             user.permissions[RK][r_k] = p
 
         #======================================================================
         # !! PERMISSIONS FOR REPOSITORY GROUPS !!
         #======================================================================
         #======================================================================
         # check if user is part of user groups for this repository groups and
         # fill in his permission from it. _choose_perm decides of which
         # permission should be selected based on selected method
         #======================================================================
         # user group for repo groups permissions
         user_repo_group_perms_from_users_groups = \
          self.sa.query(UserGroupRepoGroupToPerm, Permission, RepoGroup)\
          .join((RepoGroup, UserGroupRepoGroupToPerm.group_id == RepoGroup.group_id))\
          .join((Permission, UserGroupRepoGroupToPerm.permission_id
                 == Permission.permission_id))\
          .join((UserGroupMember, UserGroupRepoGroupToPerm.users_group_id
                 == UserGroupMember.users_group_id))\
          .filter(UserGroupMember.user_id == uid)\
          .all()
 
         multiple_counter = collections.defaultdict(int)
         for perm in user_repo_group_perms_from_users_groups:
             g_k = perm.UserGroupRepoGroupToPerm.group.group_name
             multiple_counter[g_k] += 1
             p = perm.Permission.permission_name
             cur_perm = user.permissions[GK][g_k]
             if multiple_counter[g_k] > 1:
                 p = _choose_perm(p, cur_perm)
             user.permissions[GK][g_k] = p
 
         # user explicit permissions for repository groups
         user_repo_groups_perms = Permission.get_default_group_perms(uid)
         for perm in user_repo_groups_perms:
             rg_k = perm.UserRepoGroupToPerm.group.group_name
             p = perm.Permission.permission_name
             cur_perm = user.permissions[GK][rg_k]
             if not explicit:
                 p = _choose_perm(p, cur_perm)
             user.permissions[GK][rg_k] = p
 
         #======================================================================
         # !! PERMISSIONS FOR USER GROUPS !!
         #======================================================================
+        # user group for user group permissions
+        user_group_user_groups_perms = \
+         self.sa.query(UserGroupUserGroupToPerm, Permission, UserGroup)\
+         .join((UserGroup, UserGroupUserGroupToPerm.target_user_group_id
+                == UserGroup.users_group_id))\
+         .join((Permission, UserGroupUserGroupToPerm.permission_id
+                == Permission.permission_id))\
+         .join((UserGroupMember, UserGroupUserGroupToPerm.user_group_id
+                == UserGroupMember.users_group_id))\
+         .filter(UserGroupMember.user_id == uid)\
+         .all()
+
+        multiple_counter = collections.defaultdict(int)
+        for perm in user_group_user_groups_perms:
+            g_k = perm.UserGroupUserGroupToPerm.target_user_group.users_group_name
+            multiple_counter[g_k] += 1
+            p = perm.Permission.permission_name
+            cur_perm = user.permissions[UK][g_k]
+            if multiple_counter[g_k] > 1:
+                p = _choose_perm(p, cur_perm)
+            user.permissions[UK][g_k] = p
+
         #user explicit permission for user groups
         user_user_groups_perms = Permission.get_default_user_group_perms(uid)
         for perm in user_user_groups_perms:
             u_k = perm.UserUserGroupToPerm.user_group.users_group_name
             p = perm.Permission.permission_name
             cur_perm = user.permissions[UK][u_k]
             if not explicit:
                 p = _choose_perm(p, cur_perm)
             user.permissions[UK][u_k] = p
 
         return user
 
     def has_perm(self, user, perm):
         perm = self._get_perm(perm)
         user = self._get_user(user)
 
         return UserToPerm.query().filter(UserToPerm.user == user)\
             .filter(UserToPerm.permission == perm).scalar() is not None
 
     def grant_perm(self, user, perm):
         """
         Grant user global permissions
 
         :param user:
         :param perm:
         """
         user = self._get_user(user)
         perm = self._get_perm(perm)
         # if this permission is already granted skip it
         _perm = UserToPerm.query()\
             .filter(UserToPerm.user == user)\
             .filter(UserToPerm.permission == perm)\
             .scalar()
         if _perm:
             return
         new = UserToPerm()
         new.user = user
         new.permission = perm
         self.sa.add(new)
 
     def revoke_perm(self, user, perm):
         """
         Revoke users global permissions
 
         :param user:
         :param perm:
         """
         user = self._get_user(user)
         perm = self._get_perm(perm)
 
         obj = UserToPerm.query()\
                 .filter(UserToPerm.user == user)\
                 .filter(UserToPerm.permission == perm)\
                 .scalar()
         if obj:
             self.sa.delete(obj)
 
     def add_extra_email(self, user, email):
         """
         Adds email address to UserEmailMap
 
         :param user:
         :param email:
         """
         from rhodecode.model import forms
         form = forms.UserExtraEmailForm()()
         data = form.to_python(dict(email=email))
         user = self._get_user(user)
 
         obj = UserEmailMap()
         obj.user = user
         obj.email = data['email']
         self.sa.add(obj)
         return obj
 
     def delete_extra_email(self, user, email_id):
         """
         Removes email address from UserEmailMap
 
         :param user:
         :param email_id:
         """
         user = self._get_user(user)
         obj = UserEmailMap.query().get(email_id)
         if obj:
             self.sa.delete(obj)
 
     def add_extra_ip(self, user, ip):
         """
         Adds ip address to UserIpMap
 
         :param user:
         :param ip:
         """
         from rhodecode.model import forms
         form = forms.UserExtraIpForm()()
         data = form.to_python(dict(ip=ip))
         user = self._get_user(user)
 
         obj = UserIpMap()
         obj.user = user
         obj.ip_addr = data['ip']
         self.sa.add(obj)
         return obj
 
     def delete_extra_ip(self, user, ip_id):
         """
         Removes ip address from UserIpMap
 
         :param user:
         :param ip_id:
         """
         user = self._get_user(user)
         obj = UserIpMap.query().get(ip_id)
         if obj:
             self.sa.delete(obj)

rhodecode/model/users_group.py

@@ -1,299 +1,343 b''
 # -*- coding: utf-8 -*-
 """
     rhodecode.model.users_group
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
     user group model for RhodeCode
 
     :created_on: Oct 1, 2011
     :author: nvinot
     :copyright: (C) 2011-2011 Nicolas Vinot <[e-mail]>
     :copyright: (C) 2010-2012 Marcin Kuzminski <[e-mail]>
     :license: GPLv3, see COPYING for more details.
 """
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
 # the Free Software Foundation, either version 3 of the License, or
 # (at your option) any later version.
 #
 # 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 General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import logging
 import traceback
 
 from rhodecode.model import BaseModel
 from rhodecode.model.db import UserGroupMember, UserGroup,\
-    UserGroupRepoToPerm, Permission, UserGroupToPerm, User, UserUserGroupToPerm
-from rhodecode.lib.exceptions import UserGroupsAssignedException
+    UserGroupRepoToPerm, Permission, UserGroupToPerm, User, UserUserGroupToPerm,\
+    UserGroupUserGroupToPerm
+from rhodecode.lib.exceptions import UserGroupsAssignedException,\
+    RepoGroupAssignmentError
 
 log = logging.getLogger(__name__)
 
 
 class UserGroupModel(BaseModel):
 
     cls = UserGroup
 
     def _get_user_group(self, users_group):
         return self._get_instance(UserGroup, users_group,
                                   callback=UserGroup.get_by_group_name)
 
     def _create_default_perms(self, user_group):
         # create default permission
         default_perm = 'usergroup.read'
         def_user = User.get_default_user()
         for p in def_user.user_perms:
             if p.permission.permission_name.startswith('usergroup.'):
                 default_perm = p.permission.permission_name
                 break
 
         user_group_to_perm = UserUserGroupToPerm()
         user_group_to_perm.permission = Permission.get_by_key(default_perm)
 
         user_group_to_perm.user_group = user_group
         user_group_to_perm.user_id = def_user.user_id
         return user_group_to_perm
 
     def _update_permissions(self, user_group, perms_new=None,
                             perms_updates=None):
         if not perms_new:
             perms_new = []
         if not perms_updates:
             perms_updates = []
 
         # update permissions
         for member, perm, member_type in perms_updates:
             if member_type == 'user':
                 # this updates existing one
                 self.grant_user_permission(
                     user_group=user_group, user=member, perm=perm
                 )
             else:
                 self.grant_users_group_permission(
-                    user_group=user_group, group_name=member, perm=perm
+                    target_user_group=user_group, user_group=member, perm=perm
                 )
         # set new permissions
         for member, perm, member_type in perms_new:
             if member_type == 'user':
                 self.grant_user_permission(
                     user_group=user_group, user=member, perm=perm
                 )
             else:
                 self.grant_users_group_permission(
-                    user_group=user_group, group_name=member, perm=perm
+                    target_user_group=user_group, user_group=member, perm=perm
                 )
 
     def get(self, users_group_id, cache=False):
         return UserGroup.get(users_group_id)
 
     def get_group(self, users_group):
         return self._get_user_group(users_group)
 
     def get_by_name(self, name, cache=False, case_insensitive=False):
         return UserGroup.get_by_group_name(name, cache, case_insensitive)
 
     def create(self, name, owner, active=True):
         try:
             new_user_group = UserGroup()
             new_user_group.user = self._get_user(owner)
             new_user_group.users_group_name = name
             new_user_group.users_group_active = active
             self.sa.add(new_user_group)
             perm_obj = self._create_default_perms(new_user_group)
             self.sa.add(perm_obj)
 
             self.grant_user_permission(user_group=new_user_group,
                                        user=owner, perm='usergroup.admin')
 
             return new_user_group
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def update(self, users_group, form_data):
 
         try:
             users_group = self._get_user_group(users_group)
 
             for k, v in form_data.items():
                 if k == 'users_group_members':
                     users_group.members = []
                     self.sa.flush()
                     members_list = []
                     if v:
                         v = [v] if isinstance(v, basestring) else v
                         for u_id in set(v):
                             member = UserGroupMember(users_group.users_group_id, u_id)
                             members_list.append(member)
                     setattr(users_group, 'members', members_list)
                 setattr(users_group, k, v)
 
             self.sa.add(users_group)
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def delete(self, users_group, force=False):
         """
         Deletes repository group, unless force flag is used
         raises exception if there are members in that group, else deletes
         group and users
 
         :param users_group:
         :param force:
         """
         try:
             users_group = self._get_user_group(users_group)
 
             # check if this group is not assigned to repo
             assigned_groups = UserGroupRepoToPerm.query()\
                 .filter(UserGroupRepoToPerm.users_group == users_group).all()
 
             if assigned_groups and not force:
                 raise UserGroupsAssignedException('RepoGroup assigned to %s' %
                                                    assigned_groups)
 
             self.sa.delete(users_group)
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def add_user_to_group(self, users_group, user):
         users_group = self._get_user_group(users_group)
         user = self._get_user(user)
 
         for m in users_group.members:
             u = m.user
             if u.user_id == user.user_id:
                 return True
 
         try:
             users_group_member = UserGroupMember()
             users_group_member.user = user
             users_group_member.users_group = users_group
 
             users_group.members.append(users_group_member)
             user.group_member.append(users_group_member)
 
             self.sa.add(users_group_member)
             return users_group_member
         except Exception:
             log.error(traceback.format_exc())
             raise
 
     def remove_user_from_group(self, users_group, user):
         users_group = self._get_user_group(users_group)
         user = self._get_user(user)
 
         users_group_member = None
         for m in users_group.members:
             if m.user.user_id == user.user_id:
                 # Found this user's membership row
                 users_group_member = m
                 break
 
         if users_group_member:
             try:
                 self.sa.delete(users_group_member)
                 return True
             except Exception:
                 log.error(traceback.format_exc())
                 raise
         else:
             # User isn't in that group
             return False
 
     def has_perm(self, users_group, perm):
         users_group = self._get_user_group(users_group)
         perm = self._get_perm(perm)
 
         return UserGroupToPerm.query()\
             .filter(UserGroupToPerm.users_group == users_group)\
             .filter(UserGroupToPerm.permission == perm).scalar() is not None
 
     def grant_perm(self, users_group, perm):
         users_group = self._get_user_group(users_group)
         perm = self._get_perm(perm)
 
         # if this permission is already granted skip it
         _perm = UserGroupToPerm.query()\
             .filter(UserGroupToPerm.users_group == users_group)\
             .filter(UserGroupToPerm.permission == perm)\
             .scalar()
         if _perm:
             return
 
         new = UserGroupToPerm()
         new.users_group = users_group
         new.permission = perm
         self.sa.add(new)
 
     def revoke_perm(self, users_group, perm):
         users_group = self._get_user_group(users_group)
         perm = self._get_perm(perm)
 
         obj = UserGroupToPerm.query()\
             .filter(UserGroupToPerm.users_group == users_group)\
             .filter(UserGroupToPerm.permission == perm).scalar()
         if obj:
             self.sa.delete(obj)
 
     def grant_user_permission(self, user_group, user, perm):
         """
         Grant permission for user on given user group, or update
         existing one if found
 
         :param user_group: Instance of UserGroup, users_group_id,
             or users_group_name
         :param user: Instance of User, user_id or username
         :param perm: Instance of Permission, or permission_name
         """
 
         user_group = self._get_user_group(user_group)
         user = self._get_user(user)
         permission = self._get_perm(perm)
 
         # check if we have that permission already
         obj = self.sa.query(UserUserGroupToPerm)\
             .filter(UserUserGroupToPerm.user == user)\
             .filter(UserUserGroupToPerm.user_group == user_group)\
             .scalar()
         if obj is None:
             # create new !
             obj = UserUserGroupToPerm()
         obj.user_group = user_group
         obj.user = user
         obj.permission = permission
         self.sa.add(obj)
         log.debug('Granted perm %s to %s on %s' % (perm, user, user_group))
 
     def revoke_user_permission(self, user_group, user):
         """
         Revoke permission for user on given repository group
 
         :param user_group: Instance of ReposGroup, repositories_group_id,
             or repositories_group name
         :param user: Instance of User, user_id or username
         """
 
         user_group = self._get_user_group(user_group)
         user = self._get_user(user)
 
         obj = self.sa.query(UserUserGroupToPerm)\
             .filter(UserUserGroupToPerm.user == user)\
             .filter(UserUserGroupToPerm.user_group == user_group)\
             .scalar()
         if obj:
             self.sa.delete(obj)
             log.debug('Revoked perm on %s on %s' % (user_group, user))
 
-    def grant_users_group_permission(self, user_group, group_name, perm):
-        raise NotImplementedError()
+    def grant_users_group_permission(self, target_user_group, user_group, perm):
+        """
+        Grant user group permission for given target_user_group
+
+        :param target_user_group:
+        :param user_group:
+        :param perm:
+        """
+        target_user_group = self._get_user_group(target_user_group)
+        user_group = self._get_user_group(user_group)
+        permission = self._get_perm(perm)
+        # forbid assigning same user group to itself
+        if target_user_group == user_group:
+            raise RepoGroupAssignmentError('target repo:%s cannot be '
+                                           'assigned to itself' % target_user_group)
 
-    def revoke_users_group_permission(self, user_group, group_name):
-        raise NotImplementedError()
+        # check if we have that permission already
+        obj = self.sa.query(UserGroupUserGroupToPerm)\
+            .filter(UserGroupUserGroupToPerm.target_user_group == target_user_group)\
+            .filter(UserGroupUserGroupToPerm.user_group == user_group)\
+            .scalar()
+        if obj is None:
+            # create new !
+            obj = UserGroupUserGroupToPerm()
+        obj.user_group = user_group
+        obj.target_user_group = target_user_group
+        obj.permission = permission
+        self.sa.add(obj)
+        log.debug('Granted perm %s to %s on %s' % (perm, target_user_group, user_group))
+
+    def revoke_users_group_permission(self, target_user_group, user_group):
+        """
+        Revoke user group permission for given target_user_group
+
+        :param target_user_group:
+        :param user_group:
+        """
+        target_user_group = self._get_user_group(target_user_group)
+        user_group = self._get_user_group(user_group)
+
+        obj = self.sa.query(UserGroupUserGroupToPerm)\
+            .filter(UserGroupUserGroupToPerm.target_user_group == target_user_group)\
+            .filter(UserGroupUserGroupToPerm.user_group == user_group)\
+            .scalar()
+        if obj:
+            self.sa.delete(obj)
+            log.debug('Revoked perm on %s on %s' % (target_user_group, user_group))

rhodecode/templates/admin/repos_groups/repos_group_edit_perms.html

@@ -1,106 +1,107 b''
 <table id="permissions_manage" class="noborder">
     <tr>
         <td>${_('none')}</td>
         <td>${_('read')}</td>
         <td>${_('write')}</td>
         <td>${_('admin')}</td>
         <td>${_('member')}</td>
         <td></td>
     </tr>
     ## USERS
     %for r2p in c.repos_group.repo_group_to_perm:
         ##forbid revoking permission from yourself
         <tr id="id${id(r2p.user.username)}">
             %if c.rhodecode_user.user_id != r2p.user.user_id or c.rhodecode_user.is_admin:
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.none')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.read')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.write')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.admin')}</td>
             <td style="white-space: nowrap;">
                 <img class="perm-gravatar" src="${h.gravatar_url(r2p.user.email,14)}"/>${r2p.user.username if r2p.user.username != 'default' else _('default')}
             </td>
             <td>
               %if r2p.user.username !='default':
                 <span class="delete_icon action_button" onclick="ajaxActionRevoke(${r2p.user.user_id}, 'user', '${'id%s'%id(r2p.user.username)}')">
                 ${_('revoke')}
                 </span>
               %endif
             </td>
             %else:
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.none', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.read', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.write', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'group.admin', disabled="disabled")}</td>
             <td style="white-space: nowrap;">
                 <img class="perm-gravatar" src="${h.gravatar_url(r2p.user.email,14)}"/>${r2p.user.username if r2p.user.username != 'default' else _('default')}
             </td>
             <td>
             </td>
             %endif
         </tr>
     %endfor
 
     ## USER GROUPS
     %for g2p in c.repos_group.users_group_to_perm:
         <tr id="id${id(g2p.users_group.users_group_name)}">
             <td>${h.radio('g_perm_%s' % g2p.users_group.users_group_name,'group.none')}</td>
             <td>${h.radio('g_perm_%s' % g2p.users_group.users_group_name,'group.read')}</td>
             <td>${h.radio('g_perm_%s' % g2p.users_group.users_group_name,'group.write')}</td>
             <td>${h.radio('g_perm_%s' % g2p.users_group.users_group_name,'group.admin')}</td>
             <td style="white-space: nowrap;">
                 <img class="perm-gravatar" src="${h.url('/images/icons/group.png')}"/>${g2p.users_group.users_group_name}
             </td>
             <td>
                 <span class="delete_icon action_button" onclick="ajaxActionRevoke(${g2p.users_group.users_group_id}, 'user_group', '${'id%s'%id(g2p.users_group.users_group_name)}')">
                 ${_('revoke')}
                 </span>
             </td>
         </tr>
     %endfor
-<%
+
+    <%
     _tmpl = h.literal("""' \
         <td><input type="radio" value="group.none" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="group.read" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="group.write" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="group.admin" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td class="ac"> \
             <div class="perm_ac" id="perm_ac_{0}"> \
                 <input class="yui-ac-input" id="perm_new_member_name_{0}" name="perm_new_member_name_{0}" value="" type="text"> \
                 <input id="perm_new_member_type_{0}" name="perm_new_member_type_{0}" value="" type="hidden">  \
                 <div id="perm_container_{0}"></div> \
             </div> \
         </td> \
         <td></td>'""")
     %>
     ## ADD HERE DYNAMICALLY NEW INPUTS FROM THE '_tmpl'
     <tr class="new_members last_new_member" id="add_perm_input"></tr>
     <tr>
         <td colspan="6">
             <span id="add_perm" class="add_icon" style="cursor: pointer;">
             ${_('Add another member')}
             </span>
         </td>
     </tr>
     <tr>
         <td colspan="6">
            ${h.checkbox('recursive',value="True", label=_('apply to children'))}
            <span class="help-block">${_('Set or revoke permission to all children of that group, including non-private repositories and other groups')}</span>
         </td>
     </tr>
 </table>
 <script type="text/javascript">
 function ajaxActionRevoke(obj_id, obj_type, field_id) {
     url = "${h.url('delete_repo_group_perm_member', group_name=c.repos_group.group_name)}";
     ajaxActionRevokePermission(url, obj_id, obj_type, field_id, {recursive:YUD.get('recursive').checked});
 };
 
 YUE.onDOMReady(function () {
     if (!YUD.hasClass('perm_new_member_name', 'error')) {
         YUD.setStyle('add_perm_input', 'display', 'none');
     }
     YAHOO.util.Event.addListener('add_perm', 'click', function () {
         addPermAction(${_tmpl}, ${c.users_array|n}, ${c.users_groups_array|n});
     });
 });
 
 </script>

rhodecode/templates/admin/users_groups/user_group_edit_perms.html

@@ -1,83 +1,101 b''
 <table id="permissions_manage" class="noborder">
     <tr>
         <td>${_('none')}</td>
         <td>${_('read')}</td>
         <td>${_('write')}</td>
         <td>${_('admin')}</td>
         <td>${_('member')}</td>
         <td></td>
     </tr>
     ## USERS
     %for r2p in c.users_group.user_user_group_to_perm:
         ##forbid revoking permission from yourself
         <tr id="id${id(r2p.user.username)}">
             %if c.rhodecode_user.user_id != r2p.user.user_id or c.rhodecode_user.is_admin:
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.none')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.read')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.write')}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.admin')}</td>
             <td style="white-space: nowrap;">
                 <img class="perm-gravatar" src="${h.gravatar_url(r2p.user.email,14)}"/>${r2p.user.username if r2p.user.username != 'default' else _('default')}
             </td>
             <td>
               %if r2p.user.username !='default':
                 <span class="delete_icon action_button" onclick="ajaxActionRevoke(${r2p.user.user_id}, 'user', '${'id%s'%id(r2p.user.username)}')">
                 ${_('revoke')}
                 </span>
               %endif
             </td>
             %else:
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.none', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.read', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.write', disabled="disabled")}</td>
             <td>${h.radio('u_perm_%s' % r2p.user.username,'usergroup.admin', disabled="disabled")}</td>
             <td style="white-space: nowrap;">
                 <img class="perm-gravatar" src="${h.gravatar_url(r2p.user.email,14)}"/>${r2p.user.username if r2p.user.username != 'default' else _('default')}
             </td>
             <td>
             </td>
             %endif
         </tr>
     %endfor
 
+    ## USER GROUPS
+    %for g2p in c.users_group.user_group_user_group_to_perm:
+        <tr id="id${id(g2p.user_group.users_group_name)}">
+            <td>${h.radio('g_perm_%s' % g2p.user_group.users_group_name,'usergroup.none')}</td>
+            <td>${h.radio('g_perm_%s' % g2p.user_group.users_group_name,'usergroup.read')}</td>
+            <td>${h.radio('g_perm_%s' % g2p.user_group.users_group_name,'usergroup.write')}</td>
+            <td>${h.radio('g_perm_%s' % g2p.user_group.users_group_name,'usergroup.admin')}</td>
+            <td style="white-space: nowrap;">
+                <img class="perm-gravatar" src="${h.url('/images/icons/group.png')}"/>${g2p.user_group.users_group_name}
+            </td>
+            <td>
+                <span class="delete_icon action_button" onclick="ajaxActionRevoke(${g2p.user_group.users_group_id}, 'user_group', '${'id%s'%id(g2p.user_group.users_group_name)}')">
+                ${_('revoke')}
+                </span>
+            </td>
+        </tr>
+    %endfor
+
     <%
     _tmpl = h.literal("""' \
         <td><input type="radio" value="usergroup.none" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="usergroup.read" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="usergroup.write" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td><input type="radio" value="usergroup.admin" name="perm_new_member_{0}" id="perm_new_member_{0}"></td> \
         <td class="ac"> \
             <div class="perm_ac" id="perm_ac_{0}"> \
                 <input class="yui-ac-input" id="perm_new_member_name_{0}" name="perm_new_member_name_{0}" value="" type="text"> \
                 <input id="perm_new_member_type_{0}" name="perm_new_member_type_{0}" value="" type="hidden">  \
                 <div id="perm_container_{0}"></div> \
             </div> \
         </td> \
         <td></td>'""")
     %>
     ## ADD HERE DYNAMICALLY NEW INPUTS FROM THE '_tmpl'
     <tr class="new_members last_new_member" id="add_perm_input"></tr>
     <tr>
         <td colspan="6">
             <span id="add_perm" class="add_icon" style="cursor: pointer;">
             ${_('Add another member')}
             </span>
         </td>
     </tr>
 </table>
 <script type="text/javascript">
 function ajaxActionRevoke(obj_id, obj_type, field_id) {
     url = "${h.url('delete_user_group_perm_member', id=c.users_group.users_group_id)}";
     ajaxActionRevokePermission(url, obj_id, obj_type, field_id);
 };
 
 YUE.onDOMReady(function () {
     if (!YUD.hasClass('perm_new_member_name', 'error')) {
         YUD.setStyle('add_perm_input', 'display', 'none');
     }
     YAHOO.util.Event.addListener('add_perm', 'click', function () {
         addPermAction(${_tmpl}, ${c.users_array|n}, ${c.users_groups_array|n});
     });
 });
 
 </script>