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cql3::statements::permission_altering_statement: Inital conversion

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Alter permission base typ
This commit is contained in:
Calle Wilund
2016-04-13 12:57:33 +00:00
parent add2111c0a
commit fe23447f6f
3 changed files with 164 additions and 0 deletions
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1
configure.py
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@@ -341,6 +341,7 @@ scylla_core = (['database.cc',
'cql3/statements/drop_user_statement.cc',
'cql3/statements/list_users_statement.cc',
'cql3/statements/authorization_statement.cc',
'cql3/statements/permission_altering_statement.cc',
'cql3/update_parameters.cc',
'cql3/ut_name.cc',
'cql3/user_options.cc',

96
cql3/statements/permission_altering_statement.cc Normal file
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@@ -0,0 +1,96 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2016 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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 Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#include <seastar/core/thread.hh>
#include "permission_altering_statement.hh"
#include "cql3/query_processor.hh"
#include "cql3/query_options.hh"
#include "cql3/selection/selection.hh"
#include "auth/auth.hh"
cql3::statements::permission_altering_statement::permission_altering_statement(
auth::permission_set permissions, auth::data_resource resource,
sstring username)
: _permissions(permissions), _resource(std::move(resource)), _username(
std::move(username)) {
}
void cql3::statements::permission_altering_statement::validate(distributed<service::storage_proxy>& proxy, const service::client_state& state) {
// a check to ensure the existence of the user isn't being leaked by user existence check.
state.ensure_not_anonymous();
}
future<> cql3::statements::permission_altering_statement::check_access(const service::client_state& state) {
return auth::auth::is_existing_user(_username).then([this, &state](bool exists) {
if (!exists) {
throw exceptions::invalid_request_exception(sprint("User %s doesn't exist", _username));
}
mayme_correct_resource(_resource, state);
if (!_resource.exists()) {
throw exceptions::invalid_request_exception(sprint("%s doesn't exist", _resource));
}
// check that the user has AUTHORIZE permission on the resource or its parents, otherwise reject GRANT/REVOKE.
return state.ensure_has_permission(auth::permission::AUTHORIZE, _resource).then([this, &state] {
static auto perm_list = {
auth::permission::READ,
auth::permission::WRITE,
auth::permission::CREATE,
auth::permission::ALTER,
auth::permission::DROP,
auth::permission::SELECT,
auth::permission::MODIFY,
};
return do_for_each(perm_list, [this, &state](auth::permission p) {
// TODO: how about we re-write the access check to check a set
// right away. Might need some tweaking of enum_set to make it
// neat/transparent, but still...
// This is not critical code however.
if (_permissions.contains(p)) {
return state.ensure_has_permission(p, _resource);
}
return make_ready_future();
});
});
});
}

67
cql3/statements/permission_altering_statement.hh Normal file
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@@ -0,0 +1,67 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Copyright 2016 ScyllaDB
*
* Modified by ScyllaDB
*/
/*
* This file is part of Scylla.
*
* Scylla is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Scylla 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 Scylla. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include "authorization_statement.hh"
#include "auth/permission.hh"
#include "auth/data_resource.hh"
namespace cql3 {
namespace statements {
class permission_altering_statement : public authorization_statement {
protected:
auth::permission_set _permissions;
auth::data_resource _resource;
sstring _username;
public:
permission_altering_statement(auth::permission_set, auth::data_resource, sstring);
void validate(distributed<service::storage_proxy>&, const service::client_state&) override;
future<> check_access(const service::client_state&) override;
};
}
}