Files @ 51b70569c330
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Location: kallithea/rhodecode/model/permission.py

Marcin Kuzminski
extended admin rescan to show what repositories was added and what removed
fixed found bugs, added expunge to cached getter since it introduce some more problems.
Added some relationship to properly clean related objects from database.
# -*- coding: utf-8 -*-
"""
    rhodecode.model.permission
    ~~~~~~~~~~~~~~~~~~~~~~~~~~

    permissions model for RhodeCode
    
    :created_on: Aug 20, 2010
    :author: marcink
    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>    
    :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; version 2
# of the License or (at your opinion) any later version of the license.
# 
# 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA  02110-1301, USA.

import logging
import traceback

from sqlalchemy.exc import DatabaseError

from rhodecode.model import BaseModel
from rhodecode.model.db import User, Permission, UserToPerm, RepoToPerm
from rhodecode.model.caching_query import FromCache

log = logging.getLogger(__name__)


class PermissionModel(BaseModel):
    """Permissions model for RhodeCode
    """

    def get_permission(self, permission_id, cache=False):
        """Get's permissions by id
        
        :param permission_id: id of permission to get from database
        :param cache: use Cache for this query
        """
        perm = self.sa.query(Permission)
        if cache:
            perm = perm.options(FromCache("sql_cache_short",
                                          "get_permission_%s" % permission_id))
        return perm.get(permission_id)

    def get_permission_by_name(self, name, cache=False):
        """Get's permissions by given name
        
        :param name: name to fetch
        :param cache: Use cache for this query
        """
        perm = self.sa.query(Permission)\
            .filter(Permission.permission_name == name)
        if cache:
            perm = perm.options(FromCache("sql_cache_short",
                                          "get_permission_%s" % name))
        return perm.scalar()

    def update(self, form_result):
        perm_user = self.sa.query(User)\
                .filter(User.username == form_result['perm_user_name']).scalar()
        u2p = self.sa.query(UserToPerm).filter(UserToPerm.user == perm_user).all()
        if len(u2p) != 3:
            raise Exception('Defined: %s should be 3  permissions for default'
                            ' user. This should not happen please verify'
                            ' your database' % len(u2p))

        try:
            #stage 1 change defaults    
            for p in u2p:
                if p.permission.permission_name.startswith('repository.'):
                    p.permission = self.get_permission_by_name(
                                       form_result['default_perm'])
                    self.sa.add(p)

                if p.permission.permission_name.startswith('hg.register.'):
                    p.permission = self.get_permission_by_name(
                                       form_result['default_register'])
                    self.sa.add(p)

                if p.permission.permission_name.startswith('hg.create.'):
                    p.permission = self.get_permission_by_name(
                                        form_result['default_create'])
                    self.sa.add(p)

            #stage 2 update all default permissions for repos if checked
            if form_result['overwrite_default'] == True:
                for r2p in self.sa.query(RepoToPerm)\
                               .filter(RepoToPerm.user == perm_user).all():
                    r2p.permission = self.get_permission_by_name(
                                         form_result['default_perm'])
                    self.sa.add(r2p)

            #stage 3 set anonymous access
            if perm_user.username == 'default':
                perm_user.active = bool(form_result['anonymous'])
                self.sa.add(perm_user)


            self.sa.commit()
        except (DatabaseError,):
            log.error(traceback.format_exc())
            self.sa.rollback()
            raise