如果我已经拥有 Access Token 的值，如何创建 UserCredential 的实例？

Question

所以我有这个代码
我的问题是，如果我已经通过 OAuth 进行了身份验证，我该如何配置 UserCredential？

当前情况是代码将显示另一个登录页面并重定向到 google。由于我已经使用 asp.net MVC 通过 OAuth 进行了身份验证并且我已经拥有令牌如何摆脱 GoogleWebAuthorizationBroker 并直接传递令牌？

string[] scopes = new string[] {PlusService.Scope.PlusLogin,
                                             PlusService.Scope.UserinfoEmail,
                                             PlusService.Scope.UserinfoProfile};

UserCredential credential = 
GoogleWebAuthorizationBroker.AuthorizeAsync(new ClientSecrets
{
    ClientId = "xxx.apps.googleusercontent.com",
    ClientSecret = "xxxx"
},
    scopes,
    Environment.UserName,
    CancellationToken.None,
    new FileDataStore("Store")).Result;

PlusService service = new PlusService(new BaseClientService.Initializer()
{
    HttpClientInitializer = credential,
    ApplicationName = "ArcaneChatV2",
});

PeopleResource.ListRequest listPeople = service.People.List("me", PeopleResource.ListRequest.CollectionEnum.Visible);
listPeople.MaxResults = 10;
PeopleFeed peopleFeed = listPeople.Execute();
var people = new List<Person>();

我刚接触这种东西。

Answer 1

假设您已经拥有令牌，您可以执行以下操作

string[] scopes = new string[] {
    PlusService.Scope.PlusLogin,
    PlusService.Scope.UserinfoEmail,
    PlusService.Scope.UserinfoProfile
};

var flow = new GoogleAuthorizationCodeFlow(new GoogleAuthorizationCodeFlow.Initializer
{
    ClientSecrets = new ClientSecrets
    {
        ClientId = "xxx.apps.googleusercontent.com",
        ClientSecret = "xxxx"
    },
    Scopes = scopes,
    DataStore = new FileDataStore("Store")
});

var token = new TokenResponse { 
    AccessToken = "[your_access_token_here]",
    RefreshToken = "[your_refresh_token_here]"
};

var credential = new UserCredential(flow, Environment.UserName, token);

然后您可以将凭据传递给服务的初始化程序

引用Google API Client Libraries > .NET > OAuth 2.0

Answer 2

我们可以直接从访问令牌创建 GoogleCredential 并使用它来代替 UserCredential。我只是认为这可能对某人有帮助。这是 GmailService 初始化的代码片段：

GoogleCredential cred = GoogleCredential.FromAccessToken(accessToken);
GmailService service = new GmailService(new BaseClientService.Initializer {HttpClientInitializer = cred});

如果我已经拥有 Access Token 的值，如何创建 UserCredential 的实例？

How to create a instance of UserCredential if I already have the value of Access Token?

c#

asp.net-mvc

google-api-dotnet-client

google-plus-domains