从系统帐户为用户创建ServiceAccountCredential

问题描述

我使用以下代码通过系统登录(全域身份验证)代表用户执行操作.我发现的唯一实现此目的的示例使用反射来设置用户.我知道这不是完成此任务的正确方法，所以我想知道是否有人可以通过示例解决此问题的方法来帮助我

ServiceAccountCredential credential =
    GoogleCredential.FromJson(GOOGLE_SYSTEM_USER_AUTH_INFORMATION)
        .CreateScoped(Scopes)
        .UnderlyingCredential as ServiceAccountCredential;

var userField = typeof(ServiceAccountCredential).GetField("user",
BindingFlags.NonPublic | BindingFlags.Instance);
userField?.SetValue(credential, GOOGLE_CALENDAR_USERNAME); //Act in the guise of the normal user GOOGLE_CALENDAR_USERNAME


service = new CalendarService(new BaseClientService.Initializer()
{
    HttpClientInitializer = credential,
    ApplicationName = ApplicationName,
});

解决方案

在这里，我将通过ServiceAccountCredential.Initializer设置作用域和新用户:

ServiceAccountCredential original = (ServiceAccountCredential)
    GoogleCredential.FromJson(GOOGLE_SYSTEM_USER_AUTH_INFORMATION).UnderlyingCredential;

var initializer = new ServiceAccountCredential.Initializer(original.Id)
{
    User = GOOGLE_CALENDAR_USERNAME,
    Key = original.Key,
    Scopes = Scopes
};
var credentialForUser = new ServiceAccountCredential(initializer);

现在为您提供ServiceAccountCredential而不是GoogleCredential.那就是您当前的代码所使用的，所以应该没问题-但是如果也有一种简单的方法来获取GoogleCredential，那就太好了.我们应该使这一切变得更简单-我已经为此提出了问题. >

I use the following code to act on behalf of a user through a System-login (domain-wide authenticated). The only example I found which accomplishes this uses reflection to set the user. I know this isn't the proper way to accomplish this so I was wondering if someone could help me out with an example of how this should be solved

ServiceAccountCredential credential =
    GoogleCredential.FromJson(GOOGLE_SYSTEM_USER_AUTH_INFORMATION)
        .CreateScoped(Scopes)
        .UnderlyingCredential as ServiceAccountCredential;

var userField = typeof(ServiceAccountCredential).GetField("user",
BindingFlags.NonPublic | BindingFlags.Instance);
userField?.SetValue(credential, GOOGLE_CALENDAR_USERNAME); //Act in the guise of the normal user GOOGLE_CALENDAR_USERNAME


service = new CalendarService(new BaseClientService.Initializer()
{
    HttpClientInitializer = credential,
    ApplicationName = ApplicationName,
});

解决方案

Here's how I'd do it, setting both the scopes and the new user at the same time via the ServiceAccountCredential.Initializer:

ServiceAccountCredential original = (ServiceAccountCredential)
    GoogleCredential.FromJson(GOOGLE_SYSTEM_USER_AUTH_INFORMATION).UnderlyingCredential;

var initializer = new ServiceAccountCredential.Initializer(original.Id)
{
    User = GOOGLE_CALENDAR_USERNAME,
    Key = original.Key,
    Scopes = Scopes
};
var credentialForUser = new ServiceAccountCredential(initializer);

Now that gives you a ServiceAccountCredential rather than a GoogleCredential. That's what your current code uses, so it should be okay - but it would be nice if there were a simple way of getting a GoogleCredential for this too. We should make this all simpler - I've filed an issue for that.

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