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Merge remote-tracking branch 'origin/master' into copilot/modernize-code-to-csharp-14

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copilot-swe-agent[bot] 2026-03-24 08:52:57 +00:00
commit aeec731ae5
10 changed files with 215 additions and 162 deletions
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8
MinecraftClient/Program.cs
View file

@ -390,6 +390,8 @@ namespace MinecraftClient
//Asking the user to type in missing data such as Username and Password
bool useBrowser = Config.Main.General.AccountType == LoginType.microsoft && Config.Main.General.Method == LoginMethod.browser;
bool useDeviceCode = Config.Main.General.AccountType == LoginType.microsoft && Config.Main.General.Method == LoginMethod.mcc;
bool skipPassword = useBrowser || useDeviceCode;
if (string.IsNullOrWhiteSpace(InternalConfig.Account.Login) && !useBrowser)
{
ConsoleIO.WriteLine(ConsoleIO.BasicIO ? Translations.mcc_login_basic_io : Translations.mcc_login);
@ -401,7 +403,7 @@ namespace MinecraftClient
}
}
InternalConfig.Username = InternalConfig.Account.Login;
if (string.IsNullOrWhiteSpace(InternalConfig.Account.Password) && !useBrowser &&
if (string.IsNullOrWhiteSpace(InternalConfig.Account.Password) && !skipPassword &&
(Config.Main.Advanced.SessionCache == CacheType.none || !SessionCache.Contains(ToLowerIfNeed(InternalConfig.Account.Login))))
{
RequestPassword();
@ -475,7 +477,7 @@ namespace MinecraftClient
if (result != ProtocolHandler.LoginResult.Success
&& string.IsNullOrWhiteSpace(InternalConfig.Account.Password)
&& !(Config.Main.General.AccountType == LoginType.microsoft && Config.Main.General.Method == LoginMethod.browser))
&& !(Config.Main.General.AccountType == LoginType.microsoft))
RequestPassword();
}
else ConsoleIO.WriteLineFormatted("§8" + string.Format(Translations.mcc_session_valid, session.PlayerName));
@ -594,7 +596,7 @@ namespace MinecraftClient
}
if ((Config.Main.General.AccountType == LoginType.microsoft || Config.Main.General.AccountType == LoginType.yggdrasil)
&& (InternalConfig.Account.Password != "-" || Config.Main.General.Method == LoginMethod.browser)
&& InternalConfig.Account.Password != "-"
&& Config.Signature.LoginWithSecureProfile
&& protocolversion >= 759 /* 1.19 and above */
&& !string.IsNullOrWhiteSpace(session.ID))

273
MinecraftClient/Protocol/MicrosoftAuthentication.cs
View file

@ -1,13 +1,11 @@
using System;
using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Globalization;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text.RegularExpressions;
using static MinecraftClient.Settings;
using static MinecraftClient.Settings.MainConfigHelper.MainConfig.GeneralConfig;
using System.Threading;
namespace MinecraftClient.Protocol
{
@ -16,6 +14,7 @@ namespace MinecraftClient.Protocol
private static readonly string clientId = "54473e32-df8f-42e9-a649-9419b0dab9d3";
private static readonly string signinUrl = string.Format("https://login.microsoftonline.com/consumers/oauth2/v2.0/authorize?client_id={0}&response_type=code&redirect_uri=https%3A%2F%2Fmccteam.github.io%2Fredirect.html&scope=XboxLive.signin%20offline_access%20openid%20email&prompt=select_account&response_mode=fragment", clientId);
private static readonly string tokenUrl = "https://login.microsoftonline.com/consumers/oauth2/v2.0/token";
private static readonly string deviceCodeUrl = "https://login.microsoftonline.com/consumers/oauth2/v2.0/devicecode";
public static string SignInUrl { get { return signinUrl; } }
@ -53,6 +52,121 @@ namespace MinecraftClient.Protocol
return RequestToken(postData);
}
/// <summary>
/// Initiate the OAuth 2.0 device code flow.
/// Returns a device code response containing the user code and verification URI.
/// </summary>
/// <returns>Device code response for user to complete authentication</returns>
public static DeviceCodeResponse RequestDeviceCode()
{
string postData = string.Format("client_id={0}&scope=XboxLive.signin%20offline_access%20openid%20email", clientId);
var request = new ProxiedWebRequest(deviceCodeUrl)
{
UserAgent = "MCC/" + Program.Version
};
var response = request.Post("application/x-www-form-urlencoded", postData);
var jsonData = Json.ParseJson(response.Body);
if (jsonData?["error"] is not null)
{
throw new Exception(jsonData["error_description"]!.GetStringValue());
}
return new DeviceCodeResponse()
{
DeviceCode = jsonData!["device_code"]!.GetStringValue(),
UserCode = jsonData["user_code"]!.GetStringValue(),
VerificationUri = jsonData["verification_uri"]!.GetStringValue(),
ExpiresIn = int.Parse(jsonData["expires_in"]!.GetStringValue(), NumberStyles.Any, CultureInfo.CurrentCulture),
Interval = int.Parse(jsonData["interval"]!.GetStringValue(), NumberStyles.Any, CultureInfo.CurrentCulture),
Message = jsonData["message"]!.GetStringValue()
};
}
/// <summary>
/// Poll the token endpoint until the user completes device code authentication.
/// Handles authorization_pending, slow_down, and expiration.
/// </summary>
/// <param name="deviceCode">Device code from <see cref="RequestDeviceCode"/></param>
/// <param name="expiresIn">Expiration time in seconds</param>
/// <param name="interval">Polling interval in seconds</param>
/// <returns>Login response with access token and refresh token</returns>
public static LoginResponse PollDeviceCodeToken(string deviceCode, int expiresIn, int interval)
{
// Per OAuth 2.0 device code spec, server may respond with "slow_down" requiring
// the client to increase its polling interval by this amount
const int SlowDownIncrementSeconds = 5;
string postData = string.Format(
"client_id={0}&grant_type=urn:ietf:params:oauth:grant-type:device_code&device_code={1}",
clientId, deviceCode);
var stopwatch = Stopwatch.StartNew();
int pollInterval = interval;
while (stopwatch.Elapsed.TotalSeconds < expiresIn)
{
Thread.Sleep(pollInterval * 1000);
var request = new ProxiedWebRequest(tokenUrl)
{
UserAgent = "MCC/" + Program.Version
};
var response = request.Post("application/x-www-form-urlencoded", postData);
var jsonData = Json.ParseJson(response.Body);
if (jsonData?["error"] is not null)
{
string error = jsonData["error"]!.GetStringValue();
if (error == "authorization_pending")
{
// User hasn't completed auth yet, keep polling
continue;
}
else if (error == "slow_down")
{
// Server asked us to slow down
pollInterval += SlowDownIncrementSeconds;
continue;
}
else if (error == "expired_token")
{
throw new Exception("Device code expired. Please try again.");
}
else if (error == "authorization_declined")
{
throw new Exception("Authorization was declined by the user.");
}
else
{
throw new Exception(jsonData["error_description"]!.GetStringValue());
}
}
// Success - parse the token response
string accessToken = jsonData!["access_token"]!.GetStringValue();
string refreshToken = jsonData["refresh_token"]!.GetStringValue();
int tokenExpiresIn = int.Parse(jsonData["expires_in"]!.GetStringValue(), NumberStyles.Any, CultureInfo.CurrentCulture);
// Extract email from JWT id_token
string payload = JwtPayloadDecode.GetPayload(jsonData["id_token"]!.GetStringValue());
var jsonPayload = Json.ParseJson(payload);
string email = jsonPayload!["email"]!.GetStringValue();
return new LoginResponse()
{
Email = email,
AccessToken = accessToken,
RefreshToken = refreshToken,
ExpiresIn = tokenExpiresIn
};
}
throw new Exception("Device code authentication timed out.");
}
/// <summary>
/// Perform request to obtain access token by code or by refresh token
/// </summary>
@ -70,13 +184,13 @@ namespace MinecraftClient.Protocol
// Error handling
if (jsonData?["error"] is not null)
{
throw new Exception(jsonData["error_description"].GetStringValue());
throw new Exception(jsonData["error_description"]!.GetStringValue());
}
else
{
string accessToken = jsonData!["access_token"]!.GetStringValue();
string refreshToken = jsonData["refresh_token"]!.GetStringValue();
int expiresIn = int.Parse(jsonData["expires_in"].GetStringValue(), NumberStyles.Any, CultureInfo.CurrentCulture);
int expiresIn = int.Parse(jsonData["expires_in"]!.GetStringValue(), NumberStyles.Any, CultureInfo.CurrentCulture);
// Extract email from JWT
string payload = JwtPayloadDecode.GetPayload(jsonData["id_token"]!.GetStringValue());
@ -132,132 +246,25 @@ namespace MinecraftClient.Protocol
public string RefreshToken;
public int ExpiresIn;
}
public struct DeviceCodeResponse
{
public string DeviceCode;
public string UserCode;
public string VerificationUri;
public int ExpiresIn;
public int Interval;
public string Message;
}
}
static class XboxLive
{
private static readonly string authorize = "https://login.live.com/oauth20_authorize.srf?client_id=000000004C12AE6F&redirect_uri=https://login.live.com/oauth20_desktop.srf&scope=service::user.auth.xboxlive.com::MBI_SSL&display=touch&response_type=token&locale=en";
private static readonly string xbl = "https://user.auth.xboxlive.com/user/authenticate";
private static readonly string xsts = "https://xsts.auth.xboxlive.com/xsts/authorize";
private static readonly string userAgent = "Mozilla/5.0 (XboxReplay; XboxLiveAuth/3.0) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36";
private static readonly Regex ppft = new("sFTTag:'.*value=\"(.*)\"\\/>'");
private static readonly Regex urlPost = new("urlPost:'(.+?(?=\'))");
private static readonly Regex confirm = new("identity\\/confirm");
private static readonly Regex invalidAccount = new("Sign in to", RegexOptions.IgnoreCase);
private static readonly Regex twoFA = new("Help us protect your account", RegexOptions.IgnoreCase);
public static string SignInUrl { get { return authorize; } }
/// <summary>
/// Pre-authentication
/// </summary>
/// <remarks>This step is to get the login page for later use</remarks>
/// <returns></returns>
public static PreAuthResponse PreAuth()
{
var request = new ProxiedWebRequest(authorize)
{
UserAgent = userAgent
};
var response = request.Get();
string html = response.Body;
string PPFT = ppft.Match(html).Groups[1].Value;
string urlPost = XboxLive.urlPost.Match(html).Groups[1].Value;
if (string.IsNullOrEmpty(PPFT) || string.IsNullOrEmpty(urlPost))
{
throw new Exception("Fail to extract PPFT or urlPost");
}
//Console.WriteLine("PPFT: {0}", PPFT);
//Console.WriteLine();
//Console.WriteLine("urlPost: {0}", urlPost);
return new PreAuthResponse()
{
UrlPost = urlPost,
PPFT = PPFT,
Cookie = response.Cookies
};
}
/// <summary>
/// Perform login request
/// </summary>
/// <remarks>This step is to send the login request by using the PreAuth response</remarks>
/// <param name="email">Microsoft account email</param>
/// <param name="password">Account password</param>
/// <param name="preAuth"></param>
/// <returns></returns>
public static Microsoft.LoginResponse UserLogin(string email, string password, PreAuthResponse preAuth)
{
var request = new ProxiedWebRequest(preAuth.UrlPost, preAuth.Cookie)
{
UserAgent = userAgent
};
string postData = "login=" + Uri.EscapeDataString(email)
+ "&loginfmt=" + Uri.EscapeDataString(email)
+ "&passwd=" + Uri.EscapeDataString(password)
+ "&PPFT=" + Uri.EscapeDataString(preAuth.PPFT);
var response = request.Post("application/x-www-form-urlencoded", postData);
if (Settings.Config.Logging.DebugMessages)
{
ConsoleIO.WriteLine(response.ToString());
}
if (response.StatusCode >= 300 && response.StatusCode <= 399)
{
string url = response.Headers.Get("Location")!;
string hash = url.Split('#')[1];
var request2 = new ProxiedWebRequest(url);
var response2 = request2.Get();
if (response2.StatusCode != 200)
{
throw new Exception("Authentication failed");
}
if (string.IsNullOrEmpty(hash))
{
throw new Exception("Cannot extract access token");
}
var dict = Request.ParseQueryString(hash);
//foreach (var pair in dict)
//{
// Console.WriteLine("{0}: {1}", pair.Key, pair.Value);
//}
return new Microsoft.LoginResponse()
{
Email = email,
AccessToken = dict["access_token"],
RefreshToken = dict["refresh_token"],
ExpiresIn = int.Parse(dict["expires_in"], NumberStyles.Any, CultureInfo.CurrentCulture)
};
}
else
{
if (twoFA.IsMatch(response.Body))
{
// TODO: Handle 2FA
throw new Exception("2FA enabled but not supported yet. Use browser sign-in method or try to disable 2FA in Microsoft account settings");
}
else if (invalidAccount.IsMatch(response.Body))
{
throw new Exception("Invalid credentials. Check your credentials");
}
else throw new Exception("Unexpected response. Check your credentials. Response code: " + response.StatusCode);
}
}
/// <summary>
/// Xbox Live Authenticate
/// </summary>
@ -272,13 +279,8 @@ namespace MinecraftClient.Protocol
};
request.Headers.Add("x-xbl-contract-version", "0");
var accessToken = loginResponse.AccessToken;
if (Config.Main.General.Method == LoginMethod.browser)
{
// Our own client ID must have d= in front of the token or HTTP status 400
// "Stolen" client ID must not have d= in front of the token or HTTP status 400
accessToken = "d=" + accessToken;
}
// OAuth tokens from our own client ID require "d=" prefix for XBL authentication
var accessToken = "d=" + loginResponse.AccessToken;
string payload = "{"
+ "\"Properties\": {"
@ -297,8 +299,6 @@ namespace MinecraftClient.Protocol
if (response.StatusCode == 200)
{
string jsonString = response.Body;
//Console.WriteLine(jsonString);
var json = Json.ParseJson(jsonString);
string token = json!["Token"]!.GetStringValue();
string userHash = json["DisplayClaims"]!["xui"]![0]!["uhs"]!.GetStringValue();
@ -317,7 +317,7 @@ namespace MinecraftClient.Protocol
/// <summary>
/// XSTS Authenticate
/// </summary>
/// <remarks>(Don't ask me what is XSTS, I DONT KNOW)</remarks>
/// <remarks>Xbox Secure Token Service - exchanges XBL token for a service-specific XSTS token</remarks>
/// <param name="xblResponse"></param>
/// <returns></returns>
public static XSTSAuthenticateResponse XSTSAuthenticate(XblAuthenticateResponse xblResponse)
@ -378,13 +378,6 @@ namespace MinecraftClient.Protocol
}
}
public struct PreAuthResponse
{
public string UrlPost;
public string PPFT;
public NameValueCollection Cookie;
}
public struct XblAuthenticateResponse
{
public string Token;

23
MinecraftClient/Protocol/ProtocolHandler.cs
View file

@ -776,20 +776,27 @@ namespace MinecraftClient.Protocol
}
/// <summary>
/// Sign-in to Microsoft Account without using browser. Only works if 2FA is disabled.
/// Might not work well in some rare cases.
/// Sign-in to Microsoft Account using OAuth 2.0 device code flow.
/// Supports accounts with 2FA enabled.
/// </summary>
/// <param name="email"></param>
/// <param name="password"></param>
/// <param name="email">Email hint (unused in device code flow, kept for API compatibility)</param>
/// <param name="password">Password (unused in device code flow, kept for API compatibility)</param>
/// <param name="session"></param>
/// <returns></returns>
private static LoginResult MicrosoftMCCLogin(string email, string password, out SessionToken session)
{
try
{
var msaResponse = XboxLive.UserLogin(email, password, XboxLive.PreAuth());
// Remove refresh token for MCC sign method
msaResponse.RefreshToken = string.Empty;
var deviceCode = Microsoft.RequestDeviceCode();
ConsoleIO.WriteLineFormatted(string.Format(Translations.mcc_device_code_prompt, deviceCode.VerificationUri, deviceCode.UserCode));
// Try to open the verification URL in the user's browser
Microsoft.OpenBrowser(deviceCode.VerificationUri);
ConsoleIO.WriteLineFormatted(Translations.mcc_device_code_waiting);
var msaResponse = Microsoft.PollDeviceCodeToken(deviceCode.DeviceCode, deviceCode.ExpiresIn, deviceCode.Interval);
return MicrosoftLogin(msaResponse, out session);
}
catch (Exception e)
@ -801,7 +808,7 @@ namespace MinecraftClient.Protocol
ConsoleIO.WriteLineFormatted("§c" + e.StackTrace);
}
return LoginResult.WrongPassword; // Might not always be wrong password
return LoginResult.OtherError;
}
}

2
MinecraftClient/Resources/ConfigComments/ConfigComments.Designer.cs generated
View file

@ -1922,7 +1922,7 @@ namespace MinecraftClient {
}
/// <summary>
/// Looks up a localized string similar to Microsoft Account sign-in method: &quot;mcc&quot; OR &quot;browser&quot;. If the login always fails, please try to use the &quot;browser&quot; once..
/// Looks up a localized string similar to Microsoft Account sign-in method: &quot;mcc&quot; (device code, supports 2FA) OR &quot;browser&quot; (manual browser login)..
/// </summary>
internal static string Main_General_method {
get {

2
MinecraftClient/Resources/ConfigComments/ConfigComments.resx
View file

@ -724,7 +724,7 @@ Usage examples: "/tell &lt;mybot&gt; connect Server1", "/connect Server2"</value
<value>The address of the game server, "Host" can be filled in with domain name or IP address. (The "Port" field can be deleted, it will be resolved automatically)</value>
</data>
<data name="Main.General.method" xml:space="preserve">
<value>Microsoft Account sign-in method: "mcc" OR "browser". If the login always fails, please try to use the "browser" once.</value>
<value>Microsoft Account sign-in method: "mcc" (device code, supports 2FA) OR "browser" (manual browser login).</value>
</data>
<data name="Main.General.server_info" xml:space="preserve">
<value>Account type: "mojang" OR "microsoft" OR "yggdrasil". Also affects interactive login in console.</value>

18
MinecraftClient/Resources/Translations/Translations.Designer.cs generated
View file

@ -5498,6 +5498,24 @@ namespace MinecraftClient {
}
}
/// <summary>
/// Looks up a localized string similar to To sign in, open {0} in your browser and enter the code: {1}.
/// </summary>
internal static string mcc_device_code_prompt {
get {
return ResourceManager.GetString("mcc.device_code_prompt", resourceCulture);
}
}
/// <summary>
/// Looks up a localized string similar to Waiting for authentication to complete....
/// </summary>
internal static string mcc_device_code_waiting {
get {
return ResourceManager.GetString("mcc.device_code_waiting", resourceCulture);
}
}
/// <summary>
/// Looks up a localized string similar to Login failed :.
/// </summary>

6
MinecraftClient/Resources/Translations/Translations.resx
View file

@ -1851,6 +1851,12 @@ You can use "/chunk status {0:0.0} {1:0.0} {2:0.0}" to check the chunk loading s
<data name="mcc.connecting" xml:space="preserve">
<value>Connecting to {0}...</value>
</data>
<data name="mcc.device_code_prompt" xml:space="preserve">
<value>To sign in, open {0} in your browser and enter the code: §e{1}</value>
</data>
<data name="mcc.device_code_waiting" xml:space="preserve">
<value>Waiting for authentication to complete...</value>
</data>
<data name="mcc.disconnect.login" xml:space="preserve">
<value>Login failed :</value>
</data>