InternalTransferAccess.cs

using System;
using System.Threading.Tasks;
using Waher.Networking.HTTP;
using Waher.Runtime.IO;
using Waher.Security;
 
namespace Waher.Networking.XMPP.Server.HttpFileUpload
{
    public class InternalTransferAccess : HttpAuthenticationScheme
    {
        public InternalTransferAccess()
        {
        }
 
        public override string DisplayName => "Internal";
 
        public override string[] GetChallenges(HttpRequest Request)
        {
            return Array.Empty<string>();
        }
 
        public override Task<IUser> IsAuthenticated(HttpRequest Request)
        {
            if (IsInternal(Request))
                return Task.FromResult<IUser>(new InternalUser());
            else
                return Task.FromResult<IUser>(null);
        }
 
        public static bool IsInternal(HttpRequest Request)
        {
            return IsLocal(Request.LocalEndPoint) && IsLocal(Request.RemoteEndPoint);
        }
 
        private static bool IsLocal(string EndPoint)
        {
            if (EndPoint == "internal")
                return true;
 
            EndPoint = EndPoint.RemovePortNumber();
 
            if (EndPoint == "127.0.0.1" || EndPoint == "[::1]" || EndPoint == "localhost")
                return true;
 
            return false;
        }
 
        internal class InternalUser : IUser
        {
            public string PasswordHash => string.Empty;
            public string PasswordHashType => string.Empty;
            public string UserName => "Internal";
            public string FederatedUserName => this.UserName;
            public string FriendlyName => this.UserName;
 
            public bool HasPrivilege(string Privilege)
            {
                return false;
            }
        }
    }
}