Resolving comments regarding static instance

Author: FehintolaObafemi

src/Authentication/Authentication.Core/Interfaces/IGraphRequestPopContext.cs

@@ -3,6 +3,7 @@
 // ------------------------------------------------------------------------------
 
 using Azure.Core;
+using Azure.Core.Pipeline;
 using Azure.Identity;
 using System;
 using System.Net.Http;
@@ -14,8 +15,7 @@ public interface IGraphRequestPopContext
         Uri Uri { get; set; }
         HttpMethod HttpMethod { get; set; }
         AccessToken AccessToken { get; set; }
-        PopTokenRequestContext PopTokenContext { get; set; }
-        Request Request { get; set; }
+        HttpPipeline PopPipeline { get; set; }
         InteractiveBrowserCredential PopInteractiveBrowserCredential { get; set; }
     }
 }

src/Authentication/Authentication.Core/Utilities/AuthenticationHelpers.cs

@@ -125,9 +125,10 @@ private static async Task<InteractiveBrowserCredential> GetInteractiveBrowserCre
             interactiveOptions.TokenCachePersistenceOptions = GetTokenCachePersistenceOptions(authContext);
 
             var interactiveBrowserCredential = new InteractiveBrowserCredential(interactiveOptions);
+            var popTokenRequestContext = new PopTokenRequestContext();
             if (GraphSession.Instance.GraphOption.EnableATPoPForMSGraph)
             {
-                GraphSession.Instance.GraphRequestPopContext.PopTokenContext = await CreatePopTokenRequestContext(authContext);
+                popTokenRequestContext = await CreatePopTokenRequestContext(authContext);
                 GraphSession.Instance.GraphRequestPopContext.PopInteractiveBrowserCredential = interactiveBrowserCredential;
             }
 
@@ -142,7 +143,7 @@ private static async Task<InteractiveBrowserCredential> GetInteractiveBrowserCre
                         authRecord = await Task.Run(() =>
                         {
                             // Run the thread in MTA.
-                            return interactiveBrowserCredential.AuthenticateAsync(GraphSession.Instance.GraphRequestPopContext.PopTokenContext, cancellationToken);
+                            return interactiveBrowserCredential.AuthenticateAsync(popTokenRequestContext, cancellationToken);
                         });
                     }
                     else
@@ -486,13 +487,13 @@ private static async Task<PopTokenRequestContext> CreatePopTokenRequestContext(I
 
             });
 
-            var _popPipeline = HttpPipelineBuilder.Build(popPipelineOptions, new HttpPipelineTransportOptions());
-            GraphSession.Instance.GraphRequestPopContext.Request = _popPipeline.CreateRequest();
-            GraphSession.Instance.GraphRequestPopContext.Request.Method = RequestMethod.Parse(popMethod.Method.ToUpper());
-            GraphSession.Instance.GraphRequestPopContext.Request.Uri.Reset(popResourceUri);
+            GraphSession.Instance.GraphRequestPopContext.PopPipeline = HttpPipelineBuilder.Build(popPipelineOptions, new HttpPipelineTransportOptions());
+            var popRequest = GraphSession.Instance.GraphRequestPopContext.PopPipeline.CreateRequest();
+            popRequest.Method = RequestMethod.Parse(popMethod.Method.ToUpper());
+            popRequest.Uri.Reset(popResourceUri);
 
             // Refresh token logic --- end
-            var popContext = new PopTokenRequestContext(authContext.Scopes, isProofOfPossessionEnabled: true, proofOfPossessionNonce: WwwAuthenticateParameters.CreateFromAuthenticationHeaders(popResponse.Headers, "Pop").Nonce, request: GraphSession.Instance.GraphRequestPopContext.Request);
+            var popContext = new PopTokenRequestContext(authContext.Scopes, isProofOfPossessionEnabled: true, proofOfPossessionNonce: WwwAuthenticateParameters.CreateFromAuthenticationHeaders(popResponse.Headers, "Pop").Nonce, request: popRequest);
             return popContext;
         }
     }

src/Authentication/Authentication/Handlers/AuthenticationHandler.cs

@@ -27,6 +27,8 @@ internal class AuthenticationHandler : DelegatingHandler
         private const string BearerAuthenticationScheme = "Bearer";
         private const string PopAuthenticationScheme = "Pop";
         private int MaxRetry { get; set; } = 1;
+        private PopTokenRequestContext popTokenRequestContext;
+        private Request popRequest = GraphSession.Instance.GraphRequestPopContext.PopPipeline.CreateRequest();
 
         public AzureIdentityAccessTokenProvider AuthenticationProvider { get; set; }
 
@@ -53,7 +55,7 @@ protected override async Task<HttpResponseMessage> SendAsync(HttpRequestMessage
                 // Continuous nonce extraction on each request
                 if (GraphSession.Instance.GraphOption.EnableATPoPForMSGraph)
                 {
-                    GraphSession.Instance.GraphRequestPopContext.PopTokenContext = new PopTokenRequestContext(GraphSession.Instance.AuthContext.Scopes, isProofOfPossessionEnabled: true, proofOfPossessionNonce: WwwAuthenticateParameters.CreateFromAuthenticationHeaders(response.Headers, PopAuthenticationScheme).Nonce, request: GraphSession.Instance.GraphRequestPopContext.Request);
+                    popTokenRequestContext = new PopTokenRequestContext(GraphSession.Instance.AuthContext.Scopes, isProofOfPossessionEnabled: true, proofOfPossessionNonce: WwwAuthenticateParameters.CreateFromAuthenticationHeaders(response.Headers, PopAuthenticationScheme).Nonce, request: popRequest);
                 }
 
                 // Check if response is a 401 & is not a streamed body (is buffered)
@@ -76,14 +78,14 @@ private async Task AuthenticateRequestAsync(HttpRequestMessage httpRequestMessag
             {
                 if (GraphSession.Instance.GraphOption.EnableATPoPForMSGraph)
                 {
-                    GraphSession.Instance.GraphRequestPopContext.Request.Method = RequestMethod.Parse(httpRequestMessage.Method.Method.ToUpper());
-                    GraphSession.Instance.GraphRequestPopContext.Request.Uri.Reset(httpRequestMessage.RequestUri);
+                    popRequest.Method = RequestMethod.Parse(httpRequestMessage.Method.Method.ToUpper());
+                    popRequest.Uri.Reset(httpRequestMessage.RequestUri);
                     foreach (var header in httpRequestMessage.Headers)
                     {
-                        GraphSession.Instance.GraphRequestPopContext.Request.Headers.Add(header.Key, header.Value.First());
+                        popRequest.Headers.Add(header.Key, header.Value.First());
                     }
 
-                    var accessToken = await GraphSession.Instance.GraphRequestPopContext.PopInteractiveBrowserCredential.GetTokenAsync(GraphSession.Instance.GraphRequestPopContext.PopTokenContext, cancellationToken).ConfigureAwait(false);
+                    var accessToken = await GraphSession.Instance.GraphRequestPopContext.PopInteractiveBrowserCredential.GetTokenAsync(popTokenRequestContext, cancellationToken).ConfigureAwait(false);
                     httpRequestMessage.Headers.Authorization = new AuthenticationHeaderValue(PopAuthenticationScheme, accessToken.Token);
                 }
                 else

src/Authentication/Authentication/Models/GraphRequestPopContext.cs

@@ -3,6 +3,7 @@
 // ------------------------------------------------------------------------------
 
 using Azure.Core;
+using Azure.Core.Pipeline;
 using Azure.Identity;
 using System;
 using System.IO;
@@ -15,8 +16,7 @@ internal class GraphRequestPopContext : IGraphRequestPopContext
         public Uri Uri { get; set; }
         public HttpMethod HttpMethod { get; set; }
         public AccessToken AccessToken { get; set; }
-        public PopTokenRequestContext PopTokenContext { get; set; }
-        public Request Request { get; set; }
+        public HttpPipeline PopPipeline { get; set; }
         public InteractiveBrowserCredential PopInteractiveBrowserCredential { get; set; }
     }