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/**
*    Copyright (C) 2013 10gen 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.
*/

#pragma once

#include "mongo/base/disallow_copying.h"
#include "mongo/base/status.h"
#include "mongo/db/auth/action_set.h"
#include "mongo/db/auth/user.h"
#include "mongo/db/jsobj.h"

namespace mongo {

    class V1UserDocumentParser {
        MONGO_DISALLOW_COPYING(V1UserDocumentParser);
    public:
        V1UserDocumentParser() {}
        std::string extractUserNameFromUserDocument(const BSONObj& doc) const;

        Status initializeUserCredentialsFromUserDocument(User* user,
                                                         const BSONObj& privDoc) const;

        Status initializeUserRolesFromUserDocument(
                        User* user, const BSONObj& privDoc, StringData dbname) const;
    };

    class V2UserDocumentParser {
        MONGO_DISALLOW_COPYING(V2UserDocumentParser);
    public:
        V2UserDocumentParser() {}
        Status checkValidUserDocument(const BSONObj& doc) const;

        /**
         * Returns Status::OK() iff the given BSONObj describes a valid element from a roles array.
         */
        static Status checkValidRoleObject(const BSONObj& roleObject);

        static Status parseRoleName(const BSONObj& roleObject, RoleName* result);

        static Status parseRoleVector(const BSONArray& rolesArray, std::vector<RoleName>* result);

        std::string extractUserNameFromUserDocument(const BSONObj& doc) const;

        Status initializeUserCredentialsFromUserDocument(User* user, const BSONObj& privDoc) const;

        Status initializeUserRolesFromUserDocument(const BSONObj& doc, User* user) const;
        Status initializeUserIndirectRolesFromUserDocument(const BSONObj& doc, User* user) const;
        Status initializeUserPrivilegesFromUserDocument(const BSONObj& doc, User* user) const;
    };

} // namespace mongo