webdav portal owa editing alpha

WebsitePanel/Sources/WebsitePanel.WebDavPortal/HttpHandlers/AccessTokenHandler.cs

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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Net.Http;
+using System.Security.Claims;
+using System.Threading;
+using System.Threading.Tasks;
+using System.Web;
+using System.Web.Mvc;
+using WebsitePanel.WebDav.Core.Interfaces.Managers;
+using WebsitePanel.WebDav.Core.Interfaces.Security;
+using WebsitePanel.WebDav.Core.Security.Cryptography;
+using WebsitePanel.WebDav.Core.Wsp.Framework;
+
+namespace WebsitePanel.WebDavPortal.HttpHandlers
+{
+    public class AccessTokenHandler : DelegatingHandler
+    {
+        private const string Bearer = "Bearer ";
+
+        protected override async Task<HttpResponseMessage> SendAsync(
+            HttpRequestMessage request, CancellationToken cancellationToken)
+        {
+            if (request.Headers.Contains("Authorization"))
+            {
+                var tokenString = request.Headers.GetValues("Authorization").First();
+                if (!string.IsNullOrEmpty(tokenString) && tokenString.StartsWith(Bearer))
+                {
+                    try
+                    {
+                        var accessToken = tokenString.Substring(Bearer.Length - 1);
+
+                        var tokenManager = DependencyResolver.Current.GetService<IAccessTokenManager>();
+
+                        var guid = Guid.Parse(accessToken);
+                        tokenManager.ClearExpiredTokens();
+
+                        var token = tokenManager.GetToken(guid);
+
+                        if (token != null)
+                        {
+                            var authenticationService = DependencyResolver.Current.GetService<IAuthenticationService>();
+                            var cryptography = DependencyResolver.Current.GetService<ICryptography>();
+
+
+                            var user = WSP.Services.ExchangeServer.GetAccount(token.ItemId, token.AccountId);
+
+                            authenticationService.LogIn(user.UserPrincipalName, cryptography.Decrypt(token.AuthData));
+                        }
+                    }
+                    catch (Exception)
+                    {
+                    }
+                }
+            }
+
+            return await
+                base.SendAsync(request, cancellationToken);
+        }
+    }
+}