b96a7ae656
Allowing for pluggable auth objects. Note: requires "class_registrator: Fix qualified name matching + provider helpers" patch previously sent.
105 lines
4.2 KiB
C++
105 lines
4.2 KiB
C++
/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* Copyright (C) 2016 ScyllaDB
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*
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* Modified by ScyllaDB
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero 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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* Scylla 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 Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "authorizer.hh"
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#include "authenticated_user.hh"
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#include "default_authorizer.hh"
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#include "auth.hh"
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#include "db/config.hh"
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#include "utils/class_registrator.hh"
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const sstring auth::authorizer::ALLOW_ALL_AUTHORIZER_NAME(auth::AUTH_PACKAGE_NAME + "AllowAllAuthorizer");
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/**
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* Authenticator is assumed to be a fully state-less immutable object (note all the const).
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* We thus store a single instance globally, since it should be safe/ok.
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*/
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static std::unique_ptr<auth::authorizer> global_authorizer;
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using authorizer_registry = class_registry<auth::authorizer>;
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future<>
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auth::authorizer::setup(const sstring& type) {
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if (type == ALLOW_ALL_AUTHORIZER_NAME) {
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class allow_all_authorizer : public authorizer {
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public:
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future<permission_set> authorize(::shared_ptr<authenticated_user>, data_resource) const override {
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return make_ready_future<permission_set>(permissions::ALL);
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}
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future<> grant(::shared_ptr<authenticated_user>, permission_set, data_resource, sstring) override {
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throw exceptions::invalid_request_exception("GRANT operation is not supported by AllowAllAuthorizer");
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}
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future<> revoke(::shared_ptr<authenticated_user>, permission_set, data_resource, sstring) override {
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throw exceptions::invalid_request_exception("REVOKE operation is not supported by AllowAllAuthorizer");
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}
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future<std::vector<permission_details>> list(::shared_ptr<authenticated_user> performer, permission_set, optional<data_resource>, optional<sstring>) const override {
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throw exceptions::invalid_request_exception("LIST PERMISSIONS operation is not supported by AllowAllAuthorizer");
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}
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future<> revoke_all(sstring dropped_user) override {
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return make_ready_future();
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}
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future<> revoke_all(data_resource) override {
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return make_ready_future();
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}
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const resource_ids& protected_resources() override {
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static const resource_ids ids;
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return ids;
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}
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future<> validate_configuration() const override {
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return make_ready_future();
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}
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};
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global_authorizer = std::make_unique<allow_all_authorizer>();
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return make_ready_future();
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} else {
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auto a = authorizer_registry::create(type);
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auto f = a->init();
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return f.then([a = std::move(a)]() mutable {
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global_authorizer = std::move(a);
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});
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}
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}
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auth::authorizer& auth::authorizer::get() {
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assert(global_authorizer);
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return *global_authorizer;
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}
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