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gns3-server/gns3server/db/models/privileges.py

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#!/usr/bin/env python
#
# Copyright (C) 2023 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, ForeignKey, event
from sqlalchemy.orm import relationship
from .base import Base, BaseTable, generate_uuid, GUID
import logging
log = logging.getLogger(__name__)
privilege_role_map = Table(
"privilege_role_map",
Base.metadata,
Column("privilege_id", GUID, ForeignKey("privileges.privilege_id", ondelete="CASCADE")),
Column("role_id", GUID, ForeignKey("roles.role_id", ondelete="CASCADE"))
)
class Privilege(BaseTable):
__tablename__ = "privileges"
privilege_id = Column(GUID, primary_key=True, default=generate_uuid)
name = Column(String)
description = Column(String)
roles = relationship("Role", secondary=privilege_role_map, back_populates="privileges")
@event.listens_for(Privilege.__table__, 'after_create')
def create_default_roles(target, connection, **kw):
default_privileges = [
{
"description": "Create or delete a user",
"name": "User.Allocate"
},
{
"description": "View a user",
"name": "User.Audit"
},
{
"description": "Update a user",
"name": "User.Modify"
},
{
"description": "Create or delete a group",
"name": "Group.Allocate"
},
{
"description": "View a group",
"name": "Group.Audit"
},
{
"description": "Update a group",
"name": "Group.Modify"
},
{
"description": "Create or delete a role",
"name": "Role.Allocate"
},
{
"description": "View a role",
"name": "Role.Audit"
},
{
"description": "Update a role",
"name": "Role.Modify"
},
{
"description": "Create or delete an ACE",
"name": "ACE.Allocate"
},
{
"description": "View an ACE",
"name": "ACE.Audit"
},
{
"description": "Update an ACE",
"name": "ACE.Modify"
},
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{
"description": "Create or delete a resource pool",
"name": "Pool.Allocate"
},
{
"description": "View a resource pool",
"name": "Pool.Audit"
},
{
"description": "Update a resource pool",
"name": "Pool.Modify"
},
{
"description": "Create or delete a template",
"name": "Template.Allocate"
},
{
"description": "View a template",
"name": "Template.Audit"
},
{
"description": "Update a template",
"name": "Template.Modify"
},
{
"description": "Create or delete a project",
"name": "Project.Allocate"
},
{
"description": "View a project",
"name": "Project.Audit"
},
{
"description": "Update a project",
"name": "Project.Modify"
},
{
"description": "Create or delete project snapshots",
"name": "Snapshot.Allocate"
},
{
"description": "Restore a snapshot",
"name": "Snapshot.Restore"
},
{
"description": "View a snapshot",
"name": "Snapshot.Audit"
},
{
"description": "Create or delete a node",
"name": "Node.Allocate"
},
{
"description": "View a node",
"name": "Node.Audit"
},
{
"description": "Update a node",
"name": "Node.Modify"
},
{
"description": "Console access to a node",
"name": "Node.Console"
},
{
"description": "Power management for a node",
"name": "Node.PowerMgmt"
},
{
"description": "Create or delete a link",
"name": "Link.Allocate"
},
{
"description": "View a link",
"name": "Link.Audit"
},
{
"description": "Update a link",
"name": "Link.Modify"
},
{
"description": "Capture packets on a link",
"name": "Link.Capture"
},
{
"description": "Create or delete a drawing",
"name": "Drawing.Allocate"
},
{
"description": "View a drawing",
"name": "Drawing.Audit"
},
{
"description": "Update a drawing",
"name": "Drawing.Modify"
},
{
"description": "Create or delete a symbol",
"name": "Symbol.Allocate"
},
{
"description": "View a symbol",
"name": "Symbol.Audit"
},
{
"description": "Create or delete an image",
"name": "Image.Allocate"
},
{
"description": "View an image",
"name": "Image.Audit"
},
{
"description": "Create or delete a compute",
"name": "Compute.Allocate"
},
{
"description": "Update a compute",
"name": "Compute.Modify"
},
{
"description": "View a compute",
"name": "Compute.Audit"
},
{
"description": "Install an appliance",
"name": "Appliance.Allocate"
},
{
"description": "View an appliance",
"name": "Appliance.Audit"
}
]
stmt = target.insert().values(default_privileges)
connection.execute(stmt)
connection.commit()
log.debug("The default privileges have been created in the database")
def add_privileges_to_role(target, connection, role, privileges):
from .roles import Role
roles_table = Role.__table__
privileges_table = Privilege.__table__
stmt = roles_table.select().where(roles_table.c.name == role)
result = connection.execute(stmt)
role_id = result.first().role_id
for privilege_name in privileges:
stmt = privileges_table.select().where(privileges_table.c.name == privilege_name)
result = connection.execute(stmt)
privilege_id = result.first().privilege_id
stmt = target.insert().values(privilege_id=privilege_id, role_id=role_id)
connection.execute(stmt)
@event.listens_for(privilege_role_map, 'after_create')
def add_privileges_to_default_roles(target, connection, **kw):
from .roles import Role
roles_table = Role.__table__
stmt = roles_table.select().where(roles_table.c.name == "Administrator")
result = connection.execute(stmt)
role_id = result.first().role_id
# add all privileges to the "Administrator" role
privileges_table = Privilege.__table__
stmt = privileges_table.select()
result = connection.execute(stmt)
for row in result:
privilege_id = row.privilege_id
stmt = target.insert().values(privilege_id=privilege_id, role_id=role_id)
connection.execute(stmt)
# add required privileges to the "User" role
user_privileges = (
"Project.Allocate",
"Project.Audit",
"Project.Modify",
"Snapshot.Allocate",
"Snapshot.Audit",
"Snapshot.Restore",
"Node.Allocate",
"Node.Audit",
"Node.Modify",
"Node.Console",
"Node.PowerMgmt",
"Link.Allocate",
"Link.Audit",
"Link.Modify",
"Link.Capture",
"Drawing.Allocate",
"Drawing.Audit",
"Drawing.Modify",
"Template.Audit",
"Symbol.Audit",
"Image.Audit",
"Compute.Audit",
"Appliance.Allocate",
"Appliance.Audit"
)
add_privileges_to_role(target, connection, "User", user_privileges)
# add required privileges to the "Auditor" role
auditor_privileges = (
"Project.Audit",
"Snapshot.Audit",
"Node.Audit",
"Link.Audit",
"Drawing.Audit",
"Template.Audit",
"Symbol.Audit",
"Image.Audit",
"Compute.Audit",
"Appliance.Audit"
)
add_privileges_to_role(target, connection, "Auditor", auditor_privileges)
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# add required privileges to the "Template manager" role
template_manager_privileges = (
"Template.Allocate",
"Template.Audit",
"Template.Modify",
"Symbol.Allocate",
"Symbol.Audit",
"Image.Allocate",
"Image.Audit",
"Appliance.Allocate",
"Appliance.Audit"
)
add_privileges_to_role(target, connection, "Template manager", template_manager_privileges)
# add required privileges to the "User manager" role
user_manager_privileges = (
"User.Allocate",
"User.Audit",
"User.Modify",
"Group.Allocate",
"Group.Audit",
"Group.Modify"
)
add_privileges_to_role(target, connection, "User manager", user_manager_privileges)
# add required privileges to the "ACL manager" role
acl_manager_privileges = (
"Role.Allocate",
"Role.Audit",
"Role.Modify",
"ACE.Allocate",
"ACE.Audit",
"ACE.Modify"
)
add_privileges_to_role(target, connection, "ACL manager", acl_manager_privileges)
connection.commit()
log.debug("Privileges have been added to the default roles in the database")