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/*
* Copyright (c) 2023 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Plugins.Essentials.Sessions.OAuth
* File: O2SessionProviderEntry.cs
*
* O2SessionProviderEntry.cs is part of VNLib.Plugins.Essentials.Sessions.OAuth which is part of the larger
* VNLib collection of libraries and utilities.
*
* VNLib.Plugins.Essentials.Sessions.OAuth is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* VNLib.Plugins.Essentials.Sessions.OAuth 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 https://www.gnu.org/licenses/.
*/
using System;
using System.Threading;
using System.Threading.Tasks;
using VNLib.Net.Http;
using VNLib.Utils.Logging;
using VNLib.Plugins.Sessions.OAuth.Endpoints;
using VNLib.Plugins.Essentials.Sessions;
using VNLib.Plugins.Extensions.Loading;
using VNLib.Plugins.Extensions.Loading.Routing;
namespace VNLib.Plugins.Sessions.OAuth
{
public sealed class O2SessionProviderEntry : ISessionProvider
{
public const string OAUTH2_CONFIG_KEY = "oauth2";
private OAuth2SessionProvider? _sessions;
public bool CanProcess(IHttpEvent entity)
{
//If authorization header is set try to process as oauth2 session
return _sessions != null && _sessions.IsConnected && entity.Server.Headers.HeaderSet(System.Net.HttpRequestHeader.Authorization);
}
ValueTask<SessionHandle> ISessionProvider.GetSessionAsync(IHttpEvent entity, CancellationToken cancellationToken)
{
return _sessions!.GetSessionAsync(entity, cancellationToken);
}
public void Load(PluginBase plugin, ILogProvider localized)
{
IConfigScope o2Config = plugin.GetConfig(OAUTH2_CONFIG_KEY);
//Access token endpoint is optional
if (o2Config.ContainsKey("token_path"))
{
//Create token endpoint
plugin.Route<AccessTokenEndpoint>();
}
//Optional revocation endpoint
if (plugin.HasConfigForType<RevocationEndpoint>())
{
//Route revocation endpoint
plugin.Route<RevocationEndpoint>();
}
//Init session provider
_sessions = plugin.GetOrCreateSingleton<OAuth2SessionProvider>();
_sessions.SetLog(localized);
localized.Information("Session provider loaded");
}
}
}
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