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/*
* Copyright (c) 2022 Vaughn Nugent
*
* Library: VNLib
* Package: VNLib.Plugins.Essentials
* File: ISessionExtensions.cs
*
* ISessionExtensions.cs is part of VNLib.Plugins.Essentials which is part of the larger
* VNLib collection of libraries and utilities.
*
* VNLib.Plugins.Essentials 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 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.Runtime.CompilerServices;
using System.Security.Authentication;
using VNLib.Net.Http;
using VNLib.Utils;
using VNLib.Utils.Extensions;
namespace VNLib.Plugins.Essentials.Sessions
{
public static class ISessionExtensions
{
public const string USER_AGENT_ENTRY = "__.ua";
public const string ORIGIN_ENTRY = "__.org";
public const string REFER_ENTRY = "__.rfr";
public const string SECURE_ENTRY = "__.sec";
public const string CROSS_ORIGIN = "__.cor";
public const string LOCAL_TIME_ENTRY = "__.lot";
public const string LOGIN_TOKEN_ENTRY = "__.lte";
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static string GetUserAgent(this ISession session) => session[USER_AGENT_ENTRY];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SetUserAgent(this ISession session, string userAgent) => session[USER_AGENT_ENTRY] = userAgent;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static string GetOrigin(this ISession session) => session[ORIGIN_ENTRY];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static Uri GetOriginUri(this ISession session) => Uri.TryCreate(session[ORIGIN_ENTRY], UriKind.Absolute, out Uri origin) ? origin : null;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SetOrigin(this ISession session, string origin) => session[ORIGIN_ENTRY] = origin;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static string GetRefer(this ISession session) => session[REFER_ENTRY];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SetRefer(this ISession session, string refer) => session[REFER_ENTRY] = refer;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static SslProtocols GetSecurityProtocol(this ISession session)
{
return (SslProtocols)session.GetValueType<string, int>(SECURE_ENTRY);
}
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SetSecurityProtocol(this ISession session, SslProtocols protocol) => session[SECURE_ENTRY] = VnEncoding.ToBase32String((int)protocol);
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static bool IsCrossOrigin(this ISession session) => session[CROSS_ORIGIN] == bool.TrueString;
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void IsCrossOrigin(this ISession session, bool crossOrign) => session[CROSS_ORIGIN] = crossOrign.ToString();
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static string GetLoginToken(this ISession session) => session[LOGIN_TOKEN_ENTRY];
[MethodImpl(MethodImplOptions.AggressiveInlining)]
public static void SetLoginToken(this ISession session, string loginToken) => session[LOGIN_TOKEN_ENTRY] = loginToken;
/// <summary>
/// Initializes a "new" session with initial varaibles from the current connection
/// for lookup/comparison later
/// </summary>
/// <param name="session"></param>
/// <param name="ci">The <see cref="ConnectionInfo"/> object containing connection details</param>
public static void InitNewSession(this ISession session, IConnectionInfo ci)
{
session.IsCrossOrigin(ci.CrossOrigin);
session.SetOrigin(ci.Origin?.ToString());
session.SetRefer(ci.Referer?.ToString());
session.SetSecurityProtocol(ci.SecurityProtocol);
session.SetUserAgent(ci.UserAgent);
}
}
}
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