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/**
* Copyright (C) 2021-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* 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
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* 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 Server Side 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/db/multitenancy.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/auth/security_token.h"
#include "mongo/db/multitenancy_gen.h"
#include "mongo/db/tenant_id.h"
#include "mongo/logv2/log.h"
#define MONGO_LOGV2_DEFAULT_COMPONENT ::mongo::logv2::LogComponent::kDefault
namespace mongo {
// Holds the tenantId for the operation if it was provided in the request on the $tenant field only
// if the tenantId was not also provided in the security token.
const auto dollarTenantDecoration =
OperationContext::declareDecoration<boost::optional<mongo::TenantId>>();
void parseDollarTenantFromRequest(OperationContext* opCtx, const OpMsg& request) {
// The internal security user is allowed to run commands on behalf of a tenant by passing
// the tenantId in the "$tenant" field.
auto tenantElem = request.body["$tenant"];
if (!tenantElem)
return;
uassert(ErrorCodes::InvalidOptions,
"Multitenancy not enabled, cannot set $tenant in command body",
gMultitenancySupport);
uassert(ErrorCodes::Unauthorized,
"'$tenant' may only be specified with the useTenant action type",
AuthorizationSession::get(opCtx->getClient())
->isAuthorizedForActionsOnResource(ResourcePattern::forClusterResource(),
ActionType::useTenant));
auto tenantId = TenantId::parseFromBSON(tenantElem);
uassert(6223901,
str::stream() << "Cannot pass $tenant id if also passing securityToken, securityToken: "
<< auth::getSecurityToken(opCtx)->getAuthenticatedUser().getTenant()
<< " $tenant: " << tenantId,
!auth::getSecurityToken(opCtx));
dollarTenantDecoration(opCtx) = std::move(tenantId);
LOGV2_DEBUG(
6223900, 4, "Setting tenantId from $tenant request parameter", "tenantId"_attr = tenantId);
}
boost::optional<TenantId> getActiveTenant(OperationContext* opCtx) {
auto token = auth::getSecurityToken(opCtx);
if (!token) {
return dollarTenantDecoration(opCtx);
}
invariant(!dollarTenantDecoration(opCtx));
return token->getAuthenticatedUser().getTenant();
}
} // namespace mongo
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