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/**
* Copyright (C) 2018-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/platform/basic.h"
#include "mongo/bson/util/bson_extract.h"
#include "mongo/db/auth/authorization_manager.h"
#include "mongo/db/auth/authorization_session.h"
#include "mongo/db/commands.h"
#include "mongo/db/commands/connection_status_gen.h"
namespace mongo {
class CmdConnectionStatus : public TypedCommand<CmdConnectionStatus> {
public:
using Request = ConnectionStatusCommand;
using Reply = typename ConnectionStatusCommand::Reply;
class Invocation final : public InvocationBase {
public:
using InvocationBase::InvocationBase;
Reply typedRun(OperationContext* opCtx) {
auto* as = AuthorizationSession::get(opCtx->getClient());
ConnectionStatusReplyAuthInfo info;
info.setAuthenticatedUsers(iteratorToVector<UserName>(as->getAuthenticatedUserNames()));
info.setAuthenticatedUserRoles(
iteratorToVector<RoleName>(as->getAuthenticatedRoleNames()));
if (request().getShowPrivileges()) {
info.setAuthenticatedUserPrivileges(expandPrivileges(as));
}
Reply reply;
reply.setAuthInfo(std::move(info));
return reply;
}
private:
template <typename T>
static std::vector<T> iteratorToVector(AuthNameIterator<T> it) {
std::vector<T> ret;
for (; it.more(); it.next()) {
ret.push_back(*it);
}
return ret;
}
static std::vector<Privilege> expandPrivileges(AuthorizationSession* as) {
// Create a unified map of resources to privileges, to avoid duplicate
// entries in the connection status output.
User::ResourcePrivilegeMap unified;
for (auto nameIt = as->getAuthenticatedUserNames(); nameIt.more(); nameIt.next()) {
auto* authUser = as->lookupUser(*nameIt);
for (const auto& privIter : authUser->getPrivileges()) {
auto it = unified.find(privIter.first);
if (it == unified.end()) {
unified[privIter.first] = privIter.second;
} else {
it->second.addActions(privIter.second.getActions());
}
}
}
std::vector<Privilege> ret;
std::transform(unified.cbegin(),
unified.cend(),
std::back_inserter(ret),
[](const auto& it) { return it.second; });
return ret;
}
bool supportsWriteConcern() const final {
return false;
}
void doCheckAuthorization(OperationContext* opCtx) const final {
// No auth required
}
NamespaceString ns() const final {
return NamespaceString(request().getDbName(), "");
}
};
bool requiresAuth() const final {
return false;
}
bool allowedWithSecurityToken() const final {
return true;
}
AllowedOnSecondary secondaryAllowed(ServiceContext*) const final {
return AllowedOnSecondary::kAlways;
}
} cmdConnectionStatus;
} // namespace mongo
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