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-rw-r--r--src/csharp/Grpc.Auth/GoogleCredential.cs50
-rw-r--r--src/csharp/Grpc.Auth/Grpc.Auth.csproj48
-rw-r--r--src/csharp/Grpc.Auth/OAuth2InterceptorFactory.cs6
-rw-r--r--src/csharp/Grpc.Auth/app.config15
-rw-r--r--src/csharp/Grpc.Auth/packages.config12
-rw-r--r--src/csharp/Grpc.Core/Grpc.Core.csproj3
-rw-r--r--src/csharp/Grpc.IntegrationTesting.Client/app.config4
-rw-r--r--src/csharp/Grpc.IntegrationTesting.Server/app.config4
-rw-r--r--src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj21
-rw-r--r--src/csharp/Grpc.IntegrationTesting/InteropClient.cs47
-rw-r--r--src/csharp/Grpc.IntegrationTesting/app.config4
11 files changed, 173 insertions, 41 deletions
diff --git a/src/csharp/Grpc.Auth/GoogleCredential.cs b/src/csharp/Grpc.Auth/GoogleCredential.cs
index d66952a901..7385a26485 100644
--- a/src/csharp/Grpc.Auth/GoogleCredential.cs
+++ b/src/csharp/Grpc.Auth/GoogleCredential.cs
@@ -41,6 +41,11 @@ using Grpc.Core.Utils;
using Google.Apis.Auth.OAuth2;
using System.Security.Cryptography.X509Certificates;
+using Newtonsoft.Json.Linq;
+using Mono.Security.Cryptography;
+using Org.BouncyCastle.Crypto.Parameters;
+using System.Security.Cryptography;
+using Org.BouncyCastle.Security;
namespace Grpc.Auth
{
@@ -53,6 +58,8 @@ namespace Grpc.Auth
public class GoogleCredential
{
private const string GoogleApplicationCredentialsEnvName = "GOOGLE_APPLICATION_CREDENTIALS";
+ private const string ClientEmailFieldName = "client_email";
+ private const string PrivateKeyFieldName = "private_key";
private ServiceCredential credential;
@@ -76,31 +83,20 @@ namespace Grpc.Auth
public GoogleCredential CreateScoped(IEnumerable<string> scopes)
{
+ // TODO(jtattermusch): also support compute credential.
+ var credsPath = Environment.GetEnvironmentVariable(GoogleApplicationCredentialsEnvName);
- // TODO: also support compute credential.
-
- //var credsPath = Environment.GetEnvironmentVariable("GOOGLE_APPLICATION_CREDENTIALS");
- //var credsPath = "/usr/local/google/home/jtattermusch/certs/service_account/stubbyCloudTestingTest-7dd63462c60c.json";
-
- //JObject o1 = JObject.Parse(File.ReadAllText(credsPath));
- //string privateKey = o1.GetValue("private_key").Value<string>();
- //Console.WriteLine(privateKey);
-
- //var certificate = new X509Certificate2(System.Text.Encoding.UTF8.GetBytes(privateKey), "notasecret", X509KeyStorageFlags.Exportable);
-
- // TODO: support JSON key file.
-
- // TODO: get file location from GoogleApplicationCredential env var
- var certificate = new X509Certificate2("/usr/local/google/home/jtattermusch/certs/stubbyCloudTestingTest-090796e783f3.p12", "notasecret", X509KeyStorageFlags.Exportable);
-
- // TODO: auth user will be read from the JSON key
- string authUser = "155450119199-3psnrh1sdr3d8cpj1v46naggf81mhdnk@developer.gserviceaccount.com";
+ JObject o1 = JObject.Parse(File.ReadAllText(credsPath));
+ string clientEmail = o1.GetValue(ClientEmailFieldName).Value<string>();
+ string privateKeyString = o1.GetValue(PrivateKeyFieldName).Value<string>();
+ var privateKey = ParsePrivateKeyFromString(privateKeyString);
var serviceCredential = new ServiceAccountCredential(
- new ServiceAccountCredential.Initializer(authUser)
+ new ServiceAccountCredential.Initializer(clientEmail)
{
- Scopes = scopes
- }.FromCertificate(certificate));
+ Scopes = scopes,
+ Key = privateKey
+ });
return new GoogleCredential(serviceCredential);
}
@@ -111,5 +107,17 @@ namespace Grpc.Auth
return credential;
}
}
+
+ private RSACryptoServiceProvider ParsePrivateKeyFromString(string base64PrivateKey)
+ {
+ // TODO(jtattermusch): temporary code to create RSACryptoServiceProvider.
+ base64PrivateKey = base64PrivateKey.Replace("-----BEGIN PRIVATE KEY-----", "").Replace("\n", "").Replace("-----END PRIVATE KEY-----", "");
+ PKCS8.PrivateKeyInfo PKI = new PKCS8.PrivateKeyInfo(Convert.FromBase64String(base64PrivateKey));
+ RsaPrivateCrtKeyParameters key = (RsaPrivateCrtKeyParameters)PrivateKeyFactory.CreateKey(PKI.GetBytes());
+ RSAParameters rsaParameters = DotNetUtilities.ToRSAParameters(key);
+ RSACryptoServiceProvider rsa = new RSACryptoServiceProvider();
+ rsa.ImportParameters(rsaParameters);
+ return rsa;
+ }
}
}
diff --git a/src/csharp/Grpc.Auth/Grpc.Auth.csproj b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
index dbbee780a8..1931db5fd8 100644
--- a/src/csharp/Grpc.Auth/Grpc.Auth.csproj
+++ b/src/csharp/Grpc.Auth/Grpc.Auth.csproj
@@ -1,4 +1,4 @@
-<?xml version="1.0" encoding="utf-8"?>
+<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<PropertyGroup>
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
@@ -30,7 +30,44 @@
<ConsolePause>false</ConsolePause>
</PropertyGroup>
<ItemGroup>
+ <Reference Include="BouncyCastle.Crypto">
+ <HintPath>..\packages\BouncyCastle.1.7.0\lib\Net40-Client\BouncyCastle.Crypto.dll</HintPath>
+ </Reference>
+ <Reference Include="Google.Apis.Auth">
+ <HintPath>..\packages\Google.Apis.Auth.1.9.1\lib\net40\Google.Apis.Auth.dll</HintPath>
+ </Reference>
+ <Reference Include="Google.Apis.Auth.PlatformServices">
+ <HintPath>..\packages\Google.Apis.Auth.1.9.1\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
+ </Reference>
+ <Reference Include="Google.Apis.Core">
+ <HintPath>..\packages\Google.Apis.Core.1.9.1\lib\portable-net40+sl50+win+wpa81+wp80\Google.Apis.Core.dll</HintPath>
+ </Reference>
+ <Reference Include="Microsoft.Threading.Tasks">
+ <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.dll</HintPath>
+ </Reference>
+ <Reference Include="Microsoft.Threading.Tasks.Extensions">
+ <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.dll</HintPath>
+ </Reference>
+ <Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
+ <HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
+ </Reference>
+ <Reference Include="Mono.Security">
+ <HintPath>..\packages\Mono.Security.3.2.3.0\lib\net45\Mono.Security.dll</HintPath>
+ </Reference>
+ <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
+ <SpecificVersion>False</SpecificVersion>
+ <HintPath>..\packages\Newtonsoft.Json.6.0.6\lib\net45\Newtonsoft.Json.dll</HintPath>
+ </Reference>
<Reference Include="System" />
+ <Reference Include="System.Net" />
+ <Reference Include="System.Net.Http" />
+ <Reference Include="System.Net.Http.Extensions">
+ <HintPath>..\packages\Microsoft.Net.Http.2.2.28\lib\net45\System.Net.Http.Extensions.dll</HintPath>
+ </Reference>
+ <Reference Include="System.Net.Http.Primitives">
+ <HintPath>..\packages\Microsoft.Net.Http.2.2.28\lib\net45\System.Net.Http.Primitives.dll</HintPath>
+ </Reference>
+ <Reference Include="System.Net.Http.WebRequest" />
</ItemGroup>
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
@@ -44,4 +81,13 @@
<Name>Grpc.Core</Name>
</ProjectReference>
</ItemGroup>
+ <ItemGroup>
+ <None Include="app.config" />
+ <None Include="packages.config" />
+ </ItemGroup>
+ <Import Project="..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets" Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" />
+ <Target Name="EnsureBclBuildImported" BeforeTargets="BeforeBuild" Condition="'$(BclBuildImported)' == ''">
+ <Error Condition="!Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="This project references NuGet package(s) that are missing on this computer. Enable NuGet Package Restore to download them. For more information, see http://go.microsoft.com/fwlink/?LinkID=317567." HelpKeyword="BCLBUILD2001" />
+ <Error Condition="Exists('..\packages\Microsoft.Bcl.Build.1.0.14\tools\Microsoft.Bcl.Build.targets')" Text="The build restored NuGet packages. Build the project again to include these packages in the build. For more information, see http://go.microsoft.com/fwlink/?LinkID=317568." HelpKeyword="BCLBUILD2002" />
+ </Target>
</Project> \ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/OAuth2InterceptorFactory.cs b/src/csharp/Grpc.Auth/OAuth2InterceptorFactory.cs
index ae9d70deb8..8a1e87ad6f 100644
--- a/src/csharp/Grpc.Auth/OAuth2InterceptorFactory.cs
+++ b/src/csharp/Grpc.Auth/OAuth2InterceptorFactory.cs
@@ -33,17 +33,13 @@
using System;
using System.Collections.Generic;
-using System.Collections.Immutable;
using System.Diagnostics;
using System.IO;
using System.Text.RegularExpressions;
using System.Threading;
using System.Threading.Tasks;
-using Google.ProtocolBuffers;
-using grpc.testing;
using Grpc.Core;
using Grpc.Core.Utils;
-using NUnit.Framework;
using Google.Apis.Auth.OAuth2;
using System.Security.Cryptography.X509Certificates;
@@ -59,7 +55,7 @@ namespace Grpc.Auth
string accessToken = credential.Token.AccessToken;
// TODO: token refresh logic!!
- return new HeaderInterceptorDelegate((b)=> { b.Add(new Metadata.MetadataEntry("Authorization", "Bearer " + accessToken)); });
+ return new HeaderInterceptorDelegate((b) => { b.Add(new Metadata.MetadataEntry("Authorization", "Bearer " + accessToken)); });
}
}
diff --git a/src/csharp/Grpc.Auth/app.config b/src/csharp/Grpc.Auth/app.config
new file mode 100644
index 0000000000..966b777192
--- /dev/null
+++ b/src/csharp/Grpc.Auth/app.config
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="utf-8"?>
+<configuration>
+ <runtime>
+ <assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
+ <dependentAssembly>
+ <assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+ <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.2.28.0" />
+ </dependentAssembly>
+ <dependentAssembly>
+ <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+ <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
+ </dependentAssembly>
+ </assemblyBinding>
+ </runtime>
+</configuration> \ No newline at end of file
diff --git a/src/csharp/Grpc.Auth/packages.config b/src/csharp/Grpc.Auth/packages.config
new file mode 100644
index 0000000000..0816bdbad1
--- /dev/null
+++ b/src/csharp/Grpc.Auth/packages.config
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<packages>
+ <package id="BouncyCastle" version="1.7.0" targetFramework="net45" />
+ <package id="Google.Apis.Auth" version="1.9.1" targetFramework="net45" />
+ <package id="Google.Apis.Core" version="1.9.1" targetFramework="net45" />
+ <package id="Microsoft.Bcl" version="1.1.9" targetFramework="net45" />
+ <package id="Microsoft.Bcl.Async" version="1.0.168" targetFramework="net45" />
+ <package id="Microsoft.Bcl.Build" version="1.0.14" targetFramework="net45" />
+ <package id="Microsoft.Net.Http" version="2.2.28" targetFramework="net45" />
+ <package id="Mono.Security" version="3.2.3.0" targetFramework="net45" />
+ <package id="Newtonsoft.Json" version="6.0.6" targetFramework="net45" />
+</packages> \ No newline at end of file
diff --git a/src/csharp/Grpc.Core/Grpc.Core.csproj b/src/csharp/Grpc.Core/Grpc.Core.csproj
index b612512b03..0b85392e15 100644
--- a/src/csharp/Grpc.Core/Grpc.Core.csproj
+++ b/src/csharp/Grpc.Core/Grpc.Core.csproj
@@ -34,8 +34,7 @@
</PropertyGroup>
<ItemGroup>
<Reference Include="System" />
- <Reference Include="System.Collections.Immutable, Version=1.0.34.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
- <SpecificVersion>False</SpecificVersion>
+ <Reference Include="System.Collections.Immutable">
<HintPath>..\packages\Microsoft.Bcl.Immutable.1.0.34\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
</Reference>
</ItemGroup>
diff --git a/src/csharp/Grpc.IntegrationTesting.Client/app.config b/src/csharp/Grpc.IntegrationTesting.Client/app.config
index 4e4d248a19..966b777192 100644
--- a/src/csharp/Grpc.IntegrationTesting.Client/app.config
+++ b/src/csharp/Grpc.IntegrationTesting.Client/app.config
@@ -6,6 +6,10 @@
<assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.2.28.0" />
</dependentAssembly>
+ <dependentAssembly>
+ <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+ <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
+ </dependentAssembly>
</assemblyBinding>
</runtime>
</configuration> \ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting.Server/app.config b/src/csharp/Grpc.IntegrationTesting.Server/app.config
index 4e4d248a19..966b777192 100644
--- a/src/csharp/Grpc.IntegrationTesting.Server/app.config
+++ b/src/csharp/Grpc.IntegrationTesting.Server/app.config
@@ -6,6 +6,10 @@
<assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.2.28.0" />
</dependentAssembly>
+ <dependentAssembly>
+ <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+ <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
+ </dependentAssembly>
</assemblyBinding>
</runtime>
</configuration> \ No newline at end of file
diff --git a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
index ce4a18c192..13bbb5363f 100644
--- a/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
+++ b/src/csharp/Grpc.IntegrationTesting/Grpc.IntegrationTesting.csproj
@@ -32,9 +32,6 @@
<PlatformTarget>x86</PlatformTarget>
</PropertyGroup>
<ItemGroup>
- <Reference Include="Google.Apis.Auth">
- <HintPath>..\packages\Google.Apis.Auth.1.9.1\lib\net40\Google.Apis.Auth.dll</HintPath>
- </Reference>
<Reference Include="Google.Apis.Auth.PlatformServices">
<HintPath>..\packages\Google.Apis.Auth.1.9.1\lib\net40\Google.Apis.Auth.PlatformServices.dll</HintPath>
</Reference>
@@ -50,10 +47,6 @@
<Reference Include="Microsoft.Threading.Tasks.Extensions.Desktop">
<HintPath>..\packages\Microsoft.Bcl.Async.1.0.168\lib\net40\Microsoft.Threading.Tasks.Extensions.Desktop.dll</HintPath>
</Reference>
- <Reference Include="Newtonsoft.Json, Version=6.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
- <SpecificVersion>False</SpecificVersion>
- <HintPath>..\packages\Newtonsoft.Json.6.0.6\lib\net45\Newtonsoft.Json.dll</HintPath>
- </Reference>
<Reference Include="nunit.framework">
<HintPath>..\packages\NUnit.2.6.4\lib\nunit.framework.dll</HintPath>
</Reference>
@@ -61,10 +54,6 @@
<Reference Include="Google.ProtocolBuffers">
<HintPath>..\packages\Google.ProtocolBuffers.2.4.1.521\lib\net40\Google.ProtocolBuffers.dll</HintPath>
</Reference>
- <Reference Include="System.Collections.Immutable, Version=1.0.34.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
- <SpecificVersion>False</SpecificVersion>
- <HintPath>..\packages\Microsoft.Bcl.Immutable.1.0.34\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
- </Reference>
<Reference Include="System.Net" />
<Reference Include="System.Net.Http" />
<Reference Include="System.Net.Http.Extensions">
@@ -74,6 +63,12 @@
<HintPath>..\packages\Microsoft.Net.Http.2.2.28\lib\net45\System.Net.Http.Primitives.dll</HintPath>
</Reference>
<Reference Include="System.Net.Http.WebRequest" />
+ <Reference Include="Newtonsoft.Json">
+ <HintPath>..\packages\Newtonsoft.Json.6.0.6\lib\net45\Newtonsoft.Json.dll</HintPath>
+ </Reference>
+ <Reference Include="System.Collections.Immutable">
+ <HintPath>..\packages\Microsoft.Bcl.Immutable.1.0.34\lib\portable-net45+win8+wp8+wpa81\System.Collections.Immutable.dll</HintPath>
+ </Reference>
</ItemGroup>
<ItemGroup>
<Compile Include="Properties\AssemblyInfo.cs" />
@@ -92,6 +87,10 @@
<Project>{CCC4440E-49F7-4790-B0AF-FEABB0837AE7}</Project>
<Name>Grpc.Core</Name>
</ProjectReference>
+ <ProjectReference Include="..\Grpc.Auth\Grpc.Auth.csproj">
+ <Project>{AE21D0EE-9A2C-4C15-AB7F-5224EED5B0EA}</Project>
+ <Name>Grpc.Auth</Name>
+ </ProjectReference>
</ItemGroup>
<ItemGroup>
<None Include="app.config" />
diff --git a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
index 6b92d3c660..20ecd60c30 100644
--- a/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
+++ b/src/csharp/Grpc.IntegrationTesting/InteropClient.cs
@@ -39,14 +39,25 @@ using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Google.ProtocolBuffers;
using grpc.testing;
+using Grpc.Auth;
using Grpc.Core;
using Grpc.Core.Utils;
using NUnit.Framework;
+using Newtonsoft.Json.Linq;
+using System.Threading;
+
+using Google.Apis.Auth.OAuth2;
+using System.Security.Cryptography.X509Certificates;
namespace Grpc.IntegrationTesting
{
public class InteropClient
{
+ private const string ServiceAccountUser = "155450119199-3psnrh1sdr3d8cpj1v46naggf81mhdnk@developer.gserviceaccount.com";
+ private const string ComputeEngineUser = "155450119199-r5aaqa2vqoa9g5mv2m6s3m1l293rlmel@developer.gserviceaccount.com";
+ private const string AuthScope = "https://www.googleapis.com/auth/xapi.zoo";
+ private const string AuthScopeResponse = "xapi.zoo";
+
private class ClientOptions
{
public bool help;
@@ -115,7 +126,18 @@ namespace Grpc.IntegrationTesting
using (Channel channel = new Channel(addr, credentials, channelArgs))
{
- TestServiceGrpc.ITestServiceClient client = new TestServiceGrpc.TestServiceClientStub(channel);
+ var stubConfig = StubConfiguration.Default;
+ if (options.testCase == "service_account_creds")
+ {
+ var credential = GoogleCredential.GetApplicationDefault();
+ if (credential.IsCreateScopedRequired)
+ {
+ credential = credential.CreateScoped(new[] { AuthScope });
+ }
+ stubConfig = new StubConfiguration(OAuth2InterceptorFactory.Create(credential));
+ }
+
+ TestServiceGrpc.ITestServiceClient client = new TestServiceGrpc.TestServiceClientStub(channel, stubConfig);
RunTestCase(options.testCase, client);
}
@@ -144,6 +166,9 @@ namespace Grpc.IntegrationTesting
case "empty_stream":
RunEmptyStream(client);
break;
+ case "service_account_creds":
+ RunServiceAccountCreds(client);
+ break;
case "benchmark_empty_unary":
RunBenchmarkEmptyUnary(client);
break;
@@ -287,6 +312,26 @@ namespace Grpc.IntegrationTesting
Console.WriteLine("Passed!");
}
+ public static void RunServiceAccountCreds(TestServiceGrpc.ITestServiceClient client)
+ {
+ Console.WriteLine("running service_account_creds");
+ var request = SimpleRequest.CreateBuilder()
+ .SetResponseType(PayloadType.COMPRESSABLE)
+ .SetResponseSize(314159)
+ .SetPayload(CreateZerosPayload(271828))
+ .SetFillUsername(true)
+ .SetFillOauthScope(true)
+ .Build();
+
+ var response = client.UnaryCall(request);
+
+ Assert.AreEqual(PayloadType.COMPRESSABLE, response.Payload.Type);
+ Assert.AreEqual(314159, response.Payload.Body.Length);
+ Assert.AreEqual(AuthScopeResponse, response.OauthScope);
+ Assert.AreEqual(ServiceAccountUser, response.Username);
+ Console.WriteLine("Passed!");
+ }
+
// This is not an official interop test, but it's useful.
public static void RunBenchmarkEmptyUnary(TestServiceGrpc.ITestServiceClient client)
{
diff --git a/src/csharp/Grpc.IntegrationTesting/app.config b/src/csharp/Grpc.IntegrationTesting/app.config
index 4e4d248a19..966b777192 100644
--- a/src/csharp/Grpc.IntegrationTesting/app.config
+++ b/src/csharp/Grpc.IntegrationTesting/app.config
@@ -6,6 +6,10 @@
<assemblyIdentity name="System.Net.Http.Primitives" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
<bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.2.28.0" />
</dependentAssembly>
+ <dependentAssembly>
+ <assemblyIdentity name="System.Net.Http" publicKeyToken="b03f5f7f11d50a3a" culture="neutral" />
+ <bindingRedirect oldVersion="0.0.0.0-4.2.28.0" newVersion="4.0.0.0" />
+ </dependentAssembly>
</assemblyBinding>
</runtime>
</configuration> \ No newline at end of file