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87 lines
3.1 KiB
87 lines
3.1 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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import ast
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import json
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from keycloak.authorization.permission import Permission
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from keycloak.authorization.policy import Policy
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from keycloak.authorization.role import Role
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class Authorization:
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"""
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Keycloak Authorization (policies, roles, scopes and resources).
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https://keycloak.gitbooks.io/documentation/authorization_services/index.html
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"""
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def __init__(self):
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self._policies = {}
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@property
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def policies(self):
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return self._policies
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@policies.setter
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def policies(self, value):
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self._policies = value
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def load_config(self, data):
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"""
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Load policies, roles and permissions (scope/resources).
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:param data: keycloak authorization data (dict)
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:return:
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"""
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for pol in data['policies']:
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if pol['type'] == 'role':
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policy = Policy(name=pol['name'],
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type=pol['type'],
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logic=pol['logic'],
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decision_strategy=pol['decisionStrategy'])
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config_roles = json.loads(pol['config']['roles'])
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for role in config_roles:
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policy.add_role(Role(name=role['id'],
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required=role['required']))
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self.policies[policy.name] = policy
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if pol['type'] == 'scope':
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permission = Permission(name=pol['name'],
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type=pol['type'],
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logic=pol['logic'],
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decision_strategy=pol['decisionStrategy'])
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permission.scopes = ast.literal_eval(pol['config']['scopes'])
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for policy_name in ast.literal_eval(pol['config']['applyPolicies']):
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self.policies[policy_name].add_permission(permission)
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if pol['type'] == 'resource':
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permission = Permission(name=pol['name'],
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type=pol['type'],
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logic=pol['logic'],
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decision_strategy=pol['decisionStrategy'])
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permission.resources = ast.literal_eval(pol['config']['resources'])
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for policy_name in ast.literal_eval(pol['config']['applyPolicies']):
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self.policies[policy_name].add_permission(permission)
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