forked from Mirror/python-keycloak
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107 lines
3.2 KiB
107 lines
3.2 KiB
# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2017 Marcos Pereira <marcospereira.mpj@gmail.com>
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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 Lesser 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 Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from keycloak.exceptions import KeycloakAuthorizationConfigError
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class Policy:
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"""
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A policy defines the conditions that must be satisfied to grant access to an object.
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Unlike permissions, you do not specify the object being protected but rather the conditions
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that must be satisfied for access to a given object (for example, resource, scope, or both).
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Policies are strongly related to the different access control mechanisms (ACMs) that you can use to
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protect your resources. With policies, you can implement strategies for attribute-based access control
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(ABAC), role-based access control (RBAC), context-based access control, or any combination of these.
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https://keycloak.gitbooks.io/documentation/authorization_services/topics/policy/overview.html
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"""
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def __init__(self, name, type, logic, decision_strategy):
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self._name = name
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self._type = type
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self._logic = logic
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self._decision_strategy = decision_strategy
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self._roles = []
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self._permissions = []
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def __repr__(self):
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return "<Policy: %s (%s)>" % (self.name, self.type)
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def __str__(self):
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return "Policy: %s (%s)" % (self.name, self.type)
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@property
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def name(self):
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return self._name
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@name.setter
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def name(self, value):
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self._name = value
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@property
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def type(self):
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return self._type
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@type.setter
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def type(self, value):
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self._type = value
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@property
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def logic(self):
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return self._logic
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@logic.setter
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def logic(self, value):
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self._logic = value
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@property
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def decision_strategy(self):
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return self._decision_strategy
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@decision_strategy.setter
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def decision_strategy(self, value):
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self._decision_strategy = value
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@property
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def roles(self):
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return self._roles
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@property
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def permissions(self):
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return self._permissions
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def add_role(self, role):
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"""
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Add keycloak role in policy.
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:param role: keycloak role.
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:return:
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"""
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if self.type != 'role':
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raise KeycloakAuthorizationConfigError(
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"Can't add role. Policy type is different of role")
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self._roles.append(role)
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def add_permission(self, permission):
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"""
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Add keycloak permission in policy.
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:param permission: keycloak permission.
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:return:
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"""
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self._permissions.append(permission)
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