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gns3-server/gns3server/db/models/roles.py
2021-09-03 15:21:41 +09:30

82 lines
2.9 KiB
Python

#!/usr/bin/env python
#
# Copyright (C) 2021 GNS3 Technologies Inc.
#
# 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 sqlalchemy import Table, Column, String, Boolean, ForeignKey, event
from sqlalchemy.orm import relationship
from .base import Base, BaseTable, generate_uuid, GUID
from .permissions import permission_role_link
import logging
log = logging.getLogger(__name__)
role_group_link = Table(
"roles_groups_link",
Base.metadata,
Column("role_id", GUID, ForeignKey("roles.role_id", ondelete="CASCADE")),
Column("user_group_id", GUID, ForeignKey("user_groups.user_group_id", ondelete="CASCADE"))
)
class Role(BaseTable):
__tablename__ = "roles"
role_id = Column(GUID, primary_key=True, default=generate_uuid)
name = Column(String, unique=True, index=True)
description = Column(String)
is_builtin = Column(Boolean, default=False)
permissions = relationship("Permission", secondary=permission_role_link, back_populates="roles")
groups = relationship("UserGroup", secondary=role_group_link, back_populates="roles")
@event.listens_for(Role.__table__, 'after_create')
def create_default_roles(target, connection, **kw):
default_roles = [
{"name": "Administrator", "description": "Administrator role", "is_builtin": True},
{"name": "User", "description": "User role", "is_builtin": True},
]
stmt = target.insert().values(default_roles)
connection.execute(stmt)
connection.commit()
log.debug("The default roles have been created in the database")
@event.listens_for(role_group_link, 'after_create')
def add_admin_to_group(target, connection, **kw):
from .users import UserGroup
user_groups_table = UserGroup.__table__
roles_table = Role.__table__
# Add roles to built-in user groups
groups_to_roles = {"Administrators": "Administrator", "Users": "User"}
for user_group, role in groups_to_roles.items():
stmt = user_groups_table.select().where(user_groups_table.c.name == user_group)
result = connection.execute(stmt)
user_group_id = result.first().user_group_id
stmt = roles_table.select().where(roles_table.c.name == role)
result = connection.execute(stmt)
role_id = result.first().role_id
stmt = target.insert().values(role_id=role_id, user_group_id=user_group_id)
connection.execute(stmt)
connection.commit()