我是否需要 G Suite 帐户才能使用服务帐户冒充用户?

2022-01-10 00:00:00 google-api google-drive-api google-oauth java

我正在尝试使用服务帐户向 Drive API 发出模拟用户的请求，但我收到 TokenResponseException: 401 Unauthorized 异常.

I'm trying to make requests to Drive API impersonating an user using a service account but I'm getting a TokenResponseException: 401 Unauthorized exception.

我已遵循 https://developers.google.com/identity 中的描述/protocols/OAuth2ServiceAccount:

  • 在 https://console.developers.google.com 中，创建了一个 Project > Credentials >服务帐号 > P12 文件；
  • 启用 Drive API；
  • 启用域范围的委派；
  • 在 https://console.developers.google.com/iam-admin/iam，添加了 Project > Editor 权限以通过电子邮件发送 test@gmail.com(示例).
  • In https://console.developers.google.com, created a Project > Credentials > Service account > P12 file;
  • Enabled Drive API;
  • Enabled domain-wide delegation;
  • In https://console.developers.google.com/iam-admin/iam, added Project > Editor permission to email test@gmail.com (example).

然后，在我的代码中:

File p12 = new File("p12FileFromDevelopersConsole.p12");
HttpTransport transport = GoogleNetHttpTransport.newTrustedTransport();
JsonFactory jsonFactory = JacksonFactory.getDefaultInstance();

GoogleCredential c = new GoogleCredential.Builder()
    .setTransport(transport)
    .setJsonFactory(jsonFactory)
    .setServiceAccountId("MY_ID@MY-ID.iam.gserviceaccount.com")
    .setServiceAccountUser("test@gmail.com")
    .setServiceAccountScopes(Arrays.asList(DriveScopes.DRIVE, DriveScopes.DRIVE_APPDATA, DriveScopes.DRIVE_FILE, DriveScopes.DRIVE_METADATA_READONLY))
    .setServiceAccountPrivateKeyFromP12File(p12)
    .build();

List<com.google.api.services.drive.model.File> files = drive.files()
    .list()
    .setSpaces("drive")
    .setFields("nextPageToken, files(id, name, webViewLink)")
    .setPageSize(10)
    .execute() // < --- exception is thrown here
    .getFiles();

for(com.google.api.services.drive.model.File f : files) {
    System.out.println(f.getName());
}

堆栈跟踪是:

com.google.api.client.auth.oauth2.TokenResponseException: 401 Unauthorized
    at com.google.api.client.auth.oauth2.TokenResponseException.from(TokenResponseException.java:105)
    at com.google.api.client.auth.oauth2.TokenRequest.executeUnparsed(TokenRequest.java:287)
    at com.google.api.client.auth.oauth2.TokenRequest.execute(TokenRequest.java:307)
    at com.google.api.client.googleapis.auth.oauth2.GoogleCredential.executeRefreshToken(GoogleCredential.java:384)
    at com.google.api.client.auth.oauth2.Credential.refreshToken(Credential.java:489)
    at com.google.api.client.auth.oauth2.Credential.intercept(Credential.java:217)
    at com.google.api.client.http.HttpRequest.execute(HttpRequest.java:868)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:419)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.executeUnparsed(AbstractGoogleClientRequest.java:352)
    at com.google.api.client.googleapis.services.AbstractGoogleClientRequest.execute(AbstractGoogleClientRequest.java:469)

我注意到，如果我注释掉 .setServiceAccountUser("test@gmail.com") 行，我可以执行代码并在我的 中打印Getting started"System.out.println.

I could note that if I comment out the line .setServiceAccountUser("test@gmail.com"), I am able to execute code and it prints "Getting started" in my System.out.println.

我看过很多关于这个问题的帖子，但没有一个具体的解决方案.然后，我查看了上面引用的文档，其中多次提到 G Suite，然后我意识到这些请求可能只适用于 G Suite 帐户.我对吗?如果没有，我怎样才能让它工作?

I've seen many posts with this problem but none with a concrete solution. Then, I looked at documentation referenced above and it says many times about G Suite and then I realize it could be that these requests only work with a G Suite account. Am I right? If not, how can I make it work?

推荐答案

是的，服务帐户的域范围委派仅适用于 GSuite 用户，因为 GSuite 管理员必须授予服务帐户域范围的权限——请参见此处的步骤 4:https://developers.google.com/identity/protocols/OAuth2ServiceAccount#delegatingauthority

Yes, domain-wide delegation for service accounts is only for GSuite users because GSuite admins must grant service accounts domain-wide authority -- see Step 4 here: https://developers.google.com/identity/protocols/OAuth2ServiceAccount#delegatingauthority

考虑使用常规 OAuth (https://developers.google.com/identity/protocols/OAuth2WebServer) 以从您的 gmail 帐户授予对 Web 应用程序的访问权限.

Consider using regular OAuth (https://developers.google.com/identity/protocols/OAuth2WebServer) to grant access to your web app from your gmail account.

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