XboxAuthNet

Microsoft OAuth 2.0 and Xbox Authentication

Features

Microsoft OAuth Code Flow
Xbox Authentication
Xbox Sisu Authentication with Proof-of-Possession

Install

Usage: Microsoft OAuth

Currently only auth code flow is supported.

// Initialize API client
var httpClient = new HttpClient();
var apiClient = new MicrosoftOAuthCodeApiClient("<CLIENT-ID>", "<SCOPES>", httpClient); // replace "SCOPES" to XboxAuth.XboxScope for Xbox Authentication

// Authenticate with auth code flow
var codeFlow = new MicrosoftOAuthCodeFlowBuilder(apiClient)
    .Build();
MicrosoftOAuthResponse result = await codeFlow.Authenticate();

// `result.AccessToken` can be used on Xbox Authentication
// store `result` variable to refresh token later.
// `MicrosoftOAuthResponse` can be serialized (like json)
Console.WriteLine(result.AccessToken);
Console.WriteLine(result.RefreshToken);

Refresh Microsoft OAuth Token

if (!result.Validate())
{
    var newResult = await apiClient.RefreshToken(result.RefreshToken, CancellationToken.None);
    Console.WriteLine(newResult.AccessToken);
    Console.WriteLine(newResult.RefreshToken);
}

Usage: Xbox Authentication

There are three Xbox authentication methods. You can find a description of each method here.

Xbox Basic Authentication

var httpClient = new HttpClient();
var xboxAuthClient = new XboxAuthClient(httpClient);

var userToken = await xboxAuthClient.RequestUserToken("<microsoft_oauth2_access_token>");
var xsts = await xboxAuthClient.RequestXsts(userToken.Token, "<relying_party>");

Console.WriteLine(xsts.Token);

Xbox Full Authentication

var httpClient = new HttpClient();
var xboxAuthClient = new XboxAuthClient(httpClient);

var userToken = await xboxAuthClient.RequestSignedUserToken(new XboxSignedUserTokenRequest
{
    AccessToken = "<microsoft_oauth2_access_token>",
    TokenPrefix = AbstractXboxAuthRequest.XboxTokenPrefix
});
var deviceToken = await xboxAuthClient.RequestDeviceToken(new XboxDeviceTokenRequest
{
    DeviceType = XboxDeviceTypes.Nintendo,
    DeviceVersion = "0.0.0"
});
var titleToken = await xboxAuthClient.RequestTitleToken(new XboxTitleTokenRequest
{
    AccessToken = "<microsoft_oauth2_access_token>",
    DeviceToken = deviceToken.Token
});
var xsts = await xboxAuthClient.RequestXsts(new XboxXstsRequest
{
    UserToken = userToken.Token,
    DeviceToken = deviceToken.Token,
    TitleToken = titleToken.Token,
    RelyingParty = "<relying_party>"
});

Console.WriteLine(xsts.Token);

Xbox Sisu Authentication

var httpClient = new HttpClient();
var xboxAuthClient = new XboxAuthClient(httpClient);

var deviceToken = await xboxAuthClient.RequestDeviceToken(XboxDeviceTypes.Win32, "0.0.0");
var sisuResult = await xboxAuthClient.SisuAuth(new XboxSisuAuthRequest
{
    AccessToken = "<microsoft_oauth2_access_token>",
    ClientId = XboxGameTitles.MinecraftJava,
    DeviceToken = deviceToken.Token,
    RelyingParty = "<relying_party>"
});

Console.WriteLine(xsts.Token);