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/*
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include <memory>
#include <utility>
#include "mongo/db/auth/authentication_session.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/client.h"
#include "mongo/db/service_context.h"
#include "mongo/util/assert_util.h"
namespace mongo {
namespace {
const auto getAuthenticationSession =
Client::declareDecoration<std::unique_ptr<AuthenticationSession>>();
const auto getAuthorizationManager =
ServiceContext::declareDecoration<std::unique_ptr<AuthorizationManager>>();
const auto getAuthorizationSession =
Client::declareDecoration<std::unique_ptr<AuthorizationSession>>();
class AuthzClientObserver final : public ServiceContext::ClientObserver {
public:
void onCreateClient(Client* client) override {
if (auto authzManager = AuthorizationManager::get(client->getServiceContext())) {
AuthorizationSession::set(client, authzManager->makeAuthorizationSession());
}
}
void onDestroyClient(Client* client) override {}
void onCreateOperationContext(OperationContext* opCtx) override {}
void onDestroyOperationContext(OperationContext* opCtx) override {}
};
ServiceContext::ConstructorActionRegisterer authzClientObserverRegisterer{
"AuthzClientObserver", [](ServiceContext* service) {
service->registerClientObserver(std::make_unique<AuthzClientObserver>());
}};
} // namespace
void AuthenticationSession::set(Client* client, std::unique_ptr<AuthenticationSession> newSession) {
getAuthenticationSession(client) = std::move(newSession);
}
void AuthenticationSession::swap(Client* client, std::unique_ptr<AuthenticationSession>& other) {
using std::swap;
swap(getAuthenticationSession(client), other);
}
AuthorizationManager* AuthorizationManager::get(ServiceContext* service) {
return getAuthorizationManager(service).get();
}
AuthorizationManager* AuthorizationManager::get(ServiceContext& service) {
return getAuthorizationManager(service).get();
}
void AuthorizationManager::set(ServiceContext* service,
std::unique_ptr<AuthorizationManager> authzManager) {
getAuthorizationManager(service) = std::move(authzManager);
}
AuthorizationSession* AuthorizationSession::get(Client* client) {
return get(*client);
}
AuthorizationSession* AuthorizationSession::get(Client& client) {
AuthorizationSession* retval = getAuthorizationSession(client).get();
massert(16481, "No AuthorizationManager has been set up for this connection", retval);
return retval;
}
bool AuthorizationSession::exists(Client* client) {
return getAuthorizationSession(client).get();
}
void AuthorizationSession::set(Client* client,
std::unique_ptr<AuthorizationSession> authorizationSession) {
auto& authzSession = getAuthorizationSession(client);
invariant(authorizationSession);
invariant(!authzSession);
authzSession = std::move(authorizationSession);
}
} // namespace mongo
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