Linux (.NET)上的谷歌OAuth2授权

dotnet add package Google.Apis.Auth

{
  "GoogleOAuth2": {
    "ClientId": "your_client_id",
    "ClientSecret": "your_client_secret",
    "RedirectUri": "http://localhost"
  }
}

using Google.Apis.Auth.OAuth2;
using Google.Apis.Services;
using System;
using System.Threading.Tasks;

public class GoogleOAuth2Helper
{
    private readonly string _clientId;
    private readonly string _clientSecret;
    private readonly string _redirectUri;

    public GoogleOAuth2Helper(IConfiguration configuration)
    {
        _clientId = configuration["GoogleOAuth2:ClientId"];
        _clientSecret = configuration["GoogleOAuth2:ClientSecret"];
        _redirectUri = configuration["GoogleOAuth2:RedirectUri"];
    }

    public async Task<string> AuthorizeAsync()
    {
        var credential = await GoogleWebAuthorizationBroker.AuthorizeAsync(
            new ClientSecrets
            {
                ClientId = _clientId,
                ClientSecret = _clientSecret
            },
            new[] { "https://www.googleapis.com/auth/userinfo.email" },
            "user",
            CancellationToken.None);

        return credential.Token.AccessToken;
    }
}

var googleOAuth2Helper = new GoogleOAuth2Helper(Configuration);
var accessToken = await googleOAuth2Helper.AuthorizeAsync();