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path: root/OpenSim/Services/Interfaces/IAuthenticationService.cs
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/*
 * Copyright (c) Contributors, http://opensimulator.org/
 * See CONTRIBUTORS.TXT for a full list of copyright holders.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the OpenSimulator Project nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

using System;
using OpenMetaverse;

namespace OpenSim.Services.Interfaces
{
    public interface IAuthenticationService
    {
        // Create a new user session. If one exists, it is cleared
        //
        UUID AllocateUserSession(UUID userID);

        // Get a user key from an authentication token. This must be
        // done before the session allocated above is considered valid.
        // Repeated calls to this method with the same auth token will
        // create different keys and invalidate the previous ne.
        //
        string GetUserKey(UUID userID, string authToken);

        // Verify that a user key is valid
        //
        bool VerifyUserKey(UUID userID, string key);

        // Verify that a user session ID is valid. A session ID is
        // considered valid when a user has successfully authenticated
        // at least one time inside that session.
        //
        bool VerifyUserSession(UUID userID, UUID session);

        // Remove a user session identifier and deauthenticate the user
        //
        void DestroyUserSession(UUID userID);
    }
}