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82 lines
2.9 KiB
82 lines
2.9 KiB
#!/usr/bin/env python
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#
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# Copyright (C) 2021 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sqlalchemy import Table, Column, String, Boolean, ForeignKey, event
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from sqlalchemy.orm import relationship
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from .base import Base, BaseTable, generate_uuid, GUID
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from .permissions import permission_role_link
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import logging
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log = logging.getLogger(__name__)
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role_group_link = Table(
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"roles_groups_link",
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Base.metadata,
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Column("role_id", GUID, ForeignKey("roles.role_id", ondelete="CASCADE")),
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Column("user_group_id", GUID, ForeignKey("user_groups.user_group_id", ondelete="CASCADE"))
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)
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class Role(BaseTable):
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__tablename__ = "roles"
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role_id = Column(GUID, primary_key=True, default=generate_uuid)
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name = Column(String, unique=True)
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description = Column(String)
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is_builtin = Column(Boolean, default=False)
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permissions = relationship("Permission", secondary=permission_role_link, back_populates="roles")
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groups = relationship("UserGroup", secondary=role_group_link, back_populates="roles")
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@event.listens_for(Role.__table__, 'after_create')
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def create_default_roles(target, connection, **kw):
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default_roles = [
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{"name": "Administrator", "description": "Administrator role", "is_builtin": True},
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{"name": "User", "description": "User role", "is_builtin": True},
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]
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stmt = target.insert().values(default_roles)
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connection.execute(stmt)
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connection.commit()
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log.debug("The default roles have been created in the database")
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@event.listens_for(role_group_link, 'after_create')
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def add_admin_to_group(target, connection, **kw):
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from .users import UserGroup
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user_groups_table = UserGroup.__table__
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roles_table = Role.__table__
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# Add roles to built-in user groups
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groups_to_roles = {"Administrators": "Administrator", "Users": "User"}
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for user_group, role in groups_to_roles.items():
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stmt = user_groups_table.select().where(user_groups_table.c.name == user_group)
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result = connection.execute(stmt)
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user_group_id = result.first().user_group_id
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stmt = roles_table.select().where(roles_table.c.name == role)
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result = connection.execute(stmt)
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role_id = result.first().role_id
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stmt = target.insert().values(role_id=role_id, user_group_id=user_group_id)
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connection.execute(stmt)
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connection.commit()
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