Stop sending x-app-name and x-app-ver as they are ignored (#5037)

Author: bgavrilMS

src/client/Microsoft.Identity.Client/OAuth2/OAuth2Client.cs

@@ -221,17 +221,7 @@ internal void AddBodyParameter(KeyValuePair<string, string> kvp)
         private void AddCommonHeaders(RequestContext requestContext)
         {
             _headers.Add(OAuth2Header.CorrelationId, requestContext.CorrelationId.ToString());
-            _headers.Add(OAuth2Header.RequestCorrelationIdInResponse, "true");
-
-            if (!string.IsNullOrWhiteSpace(requestContext.Logger.ClientName))
-            {
-                _headers.Add(OAuth2Header.AppName, requestContext.Logger.ClientName);
-            }
-
-            if (!string.IsNullOrWhiteSpace(requestContext.Logger.ClientVersion))
-            {
-                _headers.Add(OAuth2Header.AppVer, requestContext.Logger.ClientVersion);
-            }
+            _headers.Add(OAuth2Header.RequestCorrelationIdInResponse, "true");            
         }
 
         public static T CreateResponse<T>(HttpResponse response, RequestContext requestContext)

tests/Microsoft.Identity.Test.Unit/TelemetryTests/HttpTelemetryTests.cs

@@ -29,6 +29,7 @@
 using static Microsoft.Identity.Client.TelemetryCore.Internal.Events.ApiEvent;
 using System.Collections.Generic;
 using Microsoft.Identity.Client.Internal;
+using Microsoft.Identity.Client.OAuth2;
 
 namespace Microsoft.Identity.Test.Unit.TelemetryTests
 {
@@ -373,16 +374,16 @@ public async Task CallerSdkDetailsTestAsync()
                 var cca = CreateConfidentialClientApp();
 
                 await cca.AcquireTokenForClient(TestConstants.s_scope)
-                    .WithExtraQueryParameters(new Dictionary<string, string> { 
+                    .WithExtraQueryParameters(new Dictionary<string, string> {
                         { "caller-sdk-id", "testApiId" },
                         { "caller-sdk-ver", "testSdkVersion"} })
                     .ExecuteAsync().ConfigureAwait(false);
 
                 AssertCurrentTelemetry(
-                    requestHandler.ActualRequestMessage, 
-                    ApiIds.AcquireTokenForClient, 
+                    requestHandler.ActualRequestMessage,
+                    ApiIds.AcquireTokenForClient,
                     CacheRefreshReason.NoCachedAccessToken,
-                    callerSdkId: "testApiId", 
+                    callerSdkId: "testApiId",
                     callerSdkVersion: "testSdkVersion");
             }
         }
@@ -429,6 +430,7 @@ public async Task CallerSdkDetailsWithClientNameTestAsync()
                 .WithClientVersion("testSdkVersion")
                 .WithAuthority(TestConstants.AuthorityCommonTenant)
                 .WithHttpManager(_harness.HttpManager)
+                .WithLogging((a, b, c) => { })
                 .BuildConcrete();
 
                 await cca.AcquireTokenForClient(TestConstants.s_scope)
@@ -443,6 +445,34 @@ await cca.AcquireTokenForClient(TestConstants.s_scope)
             }
         }
 
+        [TestMethod]
+        public async Task ClientNameVersionNotInHeaders()
+        {
+            using (_harness = CreateTestHarness())
+            {
+                _harness.HttpManager.AddInstanceDiscoveryMockHandler();
+                var requestHandler = _harness.HttpManager.AddMockHandlerSuccessfulClientCredentialTokenResponseMessage();
+
+                var cca = ConfidentialClientApplicationBuilder.Create(TestConstants.ClientId)
+                .WithClientSecret(TestConstants.ClientSecret)
+                .WithClientName("testApiId")
+                .WithClientVersion("testSdkVersion")
+                .WithAuthority(TestConstants.AuthorityCommonTenant)
+                .WithHttpManager(_harness.HttpManager)
+                .WithLogging((a, b, c) => { })
+                .BuildConcrete();
+
+                await cca.AcquireTokenForClient(TestConstants.s_scope)
+                    .ExecuteAsync().ConfigureAwait(false);
+
+                requestHandler.ActualRequestHeaders.TryGetValues(OAuth2Header.AppName, out var appName);
+                requestHandler.ActualRequestHeaders.TryGetValues(OAuth2Header.AppVer, out var appVer);
+
+                Assert.IsNull(appName);
+                Assert.IsNull(appVer);
+            }
+        }
+
         [TestMethod]
         public async Task CallerSdkDetailsWithNullClientNameTestAsync()
         {
@@ -698,8 +728,8 @@ private void AssertCurrentTelemetry(
             ApiIds apiId,
             CacheRefreshReason cacheInfo,
             bool isCacheSerialized = false,
-            bool isLegacyCacheEnabled = true, 
-            string callerSdkId = "", 
+            bool isLegacyCacheEnabled = true,
+            string callerSdkId = "",
             string callerSdkVersion = "")
         {
             string[] telemetryCategories = requestMessage.Headers.GetValues(
@@ -727,6 +757,6 @@ private void AssertCurrentTelemetry(
             Assert.AreEqual(callerSdkId, telemetryCategories[2].Split(',')[3]);
 
             Assert.AreEqual(callerSdkVersion, telemetryCategories[2].Split(',')[4]);
-        }    
+        }
     }
 }