Question

我在C＃中使用“Google.Apis.Bigquery.v2客户端库”。

我使用“服务帐户”授权使用Google BigQuery（请参阅http://www.afterlogic.com/mailbee-net/docs/OAuth2GoogleServiceAccounts.html）。要创建X509证书，请使用Google Developers Console中的p12密钥。但是，现在json键是默认值。我可以用它代替p12键吗？

我有以下代码：

    string serviceAccountEmail = "xxxx@developer.gserviceaccount.com";

X509Certificate2 certificate;
using (Stream stream = new FileStream(@"C:\key.p12", FileMode.Open, FileAccess.Read, FileShare.Read))
{
    using (MemoryStream ms = new MemoryStream())
    {
        stream.CopyTo(ms);
        certificate = new X509Certificate2(ms.ToArray(), "notasecret", X509KeyStorageFlags.Exportable);
    }
}

// Create credentials
ServiceAccountCredential credential = new ServiceAccountCredential(
    new ServiceAccountCredential.Initializer(serviceAccountEmail)
    {
        Scopes = new[] {
        BigqueryService.Scope.Bigquery,
        BigqueryService.Scope.CloudPlatform,
    },
    }.FromCertificate(certificate));

// Create the service
BaseClientService.Initializer initializer = new BaseClientService.Initializer()
{
    HttpClientInitializer = credential,
    ApplicationName = "My Application",
    GZipEnabled = true,
};

BigqueryService service = new BigqueryService(initializer);
var projects = service.Projects.List().Execute();

Answer 1

现在可以（我使用v 1.13.1.0的Google API）。

BigQuery示例：

GoogleCredential credential;
using (Stream stream = new FileStream(@"C:\mykey.json", FileMode.Open, FileAccess.Read, FileShare.Read))
{
    credential = GoogleCredential.FromStream(stream);
}

string[] scopes = new string[] {
    BigqueryService.Scope.Bigquery,
    BigqueryService.Scope.CloudPlatform, 
};
credential = credential.CreateScoped(scopes);

BaseClientService.Initializer initializer = new BaseClientService.Initializer()
{
    HttpClientInitializer = (IConfigurableHttpClientInitializer)credential,
    ApplicationName = "My Application",
    GZipEnabled = true,
};
BigqueryService service = new BigqueryService(initializer);

Google表格示例：

GoogleCredential credential;
using (Stream stream = new FileStream(@"mykey.json", FileMode.Open, FileAccess.Read, FileShare.Read))
{
    credential = GoogleCredential.FromStream(stream);
}
credential = credential.CreateScoped(new[] { 
    "https://spreadsheets.google.com/feeds", 
    "https://docs.google.com/feeds" });

string bearer;
try
{
    Task<string> task = ((ITokenAccess)credential).GetAccessTokenForRequestAsync();
    task.Wait();
    bearer = task.Result;
}
catch (AggregateException ex)
{
    throw ex.InnerException;
}

GDataRequestFactory requestFactory = new GDataRequestFactory("My Application");
requestFactory.CustomHeaders.Add(string.Format(CultureInfo.InvariantCulture, "Authorization: Bearer {0}", bearer));

SpreadsheetsService service = new SpreadsheetsService("My Application");
service.RequestFactory = requestFactory;

Answer 2

我收到了链接，表示使用C＃应用程序中的JSON文件进行的服务帐户身份验证尚未添加到Google BigQuery API中。

https://github.com/google/google-api-dotnet-client/issues/533

Answer 3

这对我有用：

var scopes = new[] { DriveService.Scope.Drive };

ServiceAccountCredential credential;
using (Stream stream = new FileStream(@"C:\path\key.json", FileMode.Open, FileAccess.Read, FileShare.Read))
{
    credential =
        GoogleCredential.FromStream(stream).CreateScoped(scopes).UnderlyingCredential as
            ServiceAccountCredential;
}

显然，您可以为scopes变量和密钥文件的路径提供自己的值。您还需要获取Google.Apis.Auth.OAuth2 Nuget包以及您计划使用凭证的任何其他特定于服务的包（在我的情况下是Google.Apis.Drive.v3）。

是否可以使用json密钥而不是p12密钥来获取服务帐户凭据？

3 个答案: