如何在 gRPC 和 ASP Net Core 3.0 中使用 ssl 证书?

问题描述 投票:0回答:2

我正在尝试将服务配置为使用 SSL 证书。我读过这篇文章:

如何为 gRPC 启用服务器端 SSL?

我想这是主要代码:

var cacert = File.ReadAllText(@"ca.crt");
var servercert = File.ReadAllText(@"server.crt");
var serverkey = File.ReadAllText(@"server.key");
var keypair = new KeyCertificatePair(servercert, serverkey);
var sslCredentials = new SslServerCredentials(new List<KeyCertificatePair>() { keypair }, cacert, false);

var server = new Server
{
    Services = { GrpcTest.BindService(new GrpcTestImpl(writeToDisk)) },
    Ports = { new ServerPort("0.0.0.0", 555, sslCredentials) }
};
server.Start();

问题是,就我而言,我没有以这种方式启动服务,我使用的是kestrel,代码是这样的:

public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
        .ConfigureWebHostDefaults(webBuilder =>
        {
            webBuilder.ConfigureKestrel(options =>
            {
                System.Net.IPAddress miAddress = System.Net.IPAddress.Parse("x.x.x.x");
                //options.Listen(miAddress, 5001, o => o.Protocols = HttpProtocols.Http2);

                options.Listen(miAddress, 5001, l =>
                {
                    l.Protocols = HttpProtocols.Http2;
                    l.UseHttps();
                    });
            });
            webBuilder.UseStartup<Startup>();
        });

在这种情况下,我无权访问 SslCredentials,因此无法创建新的。

如何使用 kestrel 配置我的 ssl 证书?

谢谢。

c# asp.net-core grpc
2个回答
4
投票

您链接到的帖子适用于 Grpc.Core,grpc-dotnet 实现的配置不同。

此文档和示例应该有所帮助: https://github.com/grpc/grpc-dotnet/blob/dd72d6a38ab2984fd224aa8ed53686dc0153b9da/testassets/InteropTestsWebsite/Program.cs#L55

https://learn.microsoft.com/en-us/aspnet/core/grpc/authn-and-authz?view=aspnetcore-3.1

(换句话说,您可以按照与任何其他 HTTP/2 服务器完全相同的方式在服务器端配置证书 - 在 ASP.NET Core 中配置安全连接时没有任何 grpc 特定内容)。


3
投票

您似乎将证书身份验证误认为是 SSL 数据加密。如果您只想加密数据通道,好的做法是使用 Kestrel:

   public static IHostBuilder CreateHostBuilder(string[] args) =>
    Host.CreateDefaultBuilder(args)
    .ConfigureWebHostDefaults(builder =>
    {
        builder.ConfigureKestrel(options =>
        {
            options.Listen(IPAddress.Loopback, 5005, configure => { configure.UseHttps(); configure.Protocols = HttpProtocols.Http2; });
        });
    });

对 UseHttps() 的调用使用内部 ASP.NET Core 的可信开发证书。

如果您想自己提供一个,请使用 i.e.(或其他重载):

public static ListenOptions UseHttps(this ListenOptions listenOptions, X509Certificate2 serverCertificate)

或在 appsettings.json 中使用以下其中一项:

{
  "Kestrel": {
    "Endpoints": {
      "Http": {
        "Url": "http://localhost:5000"
      },
      "HttpsInlineCertFile": {
        "Url": "https://localhost:5001",
        "Certificate": {
          "Path": "<path to .pfx file>",
          "Password": "$CREDENTIAL_PLACEHOLDER$"
        }
      },
      "HttpsInlineCertAndKeyFile": {
        "Url": "https://localhost:5002",
        "Certificate": {
          "Path": "<path to .pem/.crt file>",
          "KeyPath": "<path to .key file>",
          "Password": "$CREDENTIAL_PLACEHOLDER$"
        }
      },
      "HttpsInlineCertStore": {
        "Url": "https://localhost:5003",
        "Certificate": {
          "Subject": "<subject; required>",
          "Store": "<certificate store; required>",
          "Location": "<location; defaults to CurrentUser>",
          "AllowInvalid": "<true or false; defaults to false>"
        }
      },
      "HttpsDefaultCert": {
        "Url": "https://localhost:5004"
      }
    },
    "Certificates": {
      "Default": {
        "Path": "<path to .pfx file>",
        "Password": "$CREDENTIAL_PLACEHOLDER$"
      }
    }
  }
}
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