/// <summary>
/// Initializes a new instance of the <see cref="ClientGCMsg<BodyType>"/> class.
/// This is a recieve constructor.
/// </summary>
/// <param name="msg">The packet message to build this gc message from.</param>
public ClientGCMsg(IPacketGCMsg msg)
: this()
{
DebugLog.Assert(!msg.IsProto, "ClientGCMsg", "ClientGCMsg used for proto message!");
Deserialize(msg.GetData());
}
void ITXIMLoginUIEventExt.OnServerPwd2(ITXData pData, out string pbsEnterCode, out int pbCancel)
{
pbsEnterCode = string.Empty;
pbCancel = 1;
DebugLog.Assert(false, "Server要求输入二级密码");
TXLog.TXLog2("Login", "Server要求输入二级密码");
}
private void OnSort(object sender, EventArgs args)
{
if (this.BuddyList != null)
{
foreach (BuddyGroup group in this.BuddyList)
{
ICollectionView defaultView = CollectionViewSource.GetDefaultView(group);
if (defaultView == null)
{
DebugLog.Assert(false, "严重错误，必看");
}
else
{
if (defaultView.SortDescriptions.Count != 3)
{
defaultView.SortDescriptions.Clear();
defaultView.SortDescriptions.Add(new SortDescription("PresenceInfo.PresenceWeight", ListSortDirection.Descending));
defaultView.SortDescriptions.Add(new SortDescription("QQMemberWeight", ListSortDirection.Descending));
defaultView.SortDescriptions.Add(new SortDescription("NickName", ListSortDirection.Ascending));
continue;
}
defaultView.Refresh();
}
}
}
}
private bool ReauthConnection(CDNClient client, CDNClient.Server server, uint depotId, byte[] depotKey)
{
DebugLog.Assert(server.Type == "CDN" || steamSession.AppTickets[depotId] == null, "CDNClientPool", "Re-authing a CDN or anonymous connection");
String cdnAuthToken = null;
if (server.Type == "CDN")
{
steamSession.RequestCDNAuthToken(depotId, server.Host);
cdnAuthToken = steamSession.CDNAuthTokens[Tuple.Create(depotId, server.Host)].Token;
}
try
{
client.AuthenticateDepot(depotId, depotKey, cdnAuthToken);
activeClientAuthed[client] = Tuple.Create(depotId, server);
return(true);
}
catch (Exception ex)
{
Console.WriteLine("Failed to reauth to content server {0}: {1}", server, ex.Message);
}
return(false);
}
void Disconnected(object?sender, DisconnectedEventArgs e)
{
var connectionRelease = Interlocked.Exchange(ref connection, null);
if (connectionRelease == null)
{
return;
}
IsConnected = false;
if (!e.UserInitiated && !ExpectDisconnection)
{
DebugLog.Assert(connectionRelease.CurrentEndPoint != null, nameof(CMClient), "No connection endpoint while disconnecting - cannot update server list");
Servers.TryMark(connectionRelease.CurrentEndPoint !, connectionRelease.ProtocolTypes, ServerQuality.Bad);
}
SessionID = null;
SteamID = null;
connectionRelease.NetMsgReceived -= NetMsgReceived;
connectionRelease.Connected -= Connected;
connectionRelease.Disconnected -= Disconnected;
heartBeatFunc.Stop();
OnClientDisconnected(userInitiated: e.UserInitiated || ExpectDisconnection);
}
/// <summary>
/// Processes the specified depot key by decrypting the data with the given depot encryption key, and then by decompressing the data.
/// If the chunk has already been processed, this function does nothing.
/// </summary>
/// <param name="depotKey">The depot decryption key.</param>
/// <exception cref="System.IO.InvalidDataException">Thrown if the processed data does not match the expected checksum given in it's chunk information.</exception>
public void Process(byte[] depotKey)
{
if (depotKey == null)
{
throw new ArgumentNullException(nameof(depotKey));
}
if (IsProcessed)
{
return;
}
byte[] processedData = CryptoHelper.SymmetricDecrypt(Data, depotKey);
if (processedData.Length > 1 && processedData[0] == 'V' && processedData[1] == 'Z')
{
processedData = VZipUtil.Decompress(processedData);
}
else
{
processedData = ZipUtil.Decompress(processedData);
}
DebugLog.Assert(ChunkInfo.Checksum != null, nameof(DepotChunk), "Expected data chunk to have a checksum.");
byte[] dataCrc = CryptoHelper.AdlerHash(processedData);
if (!dataCrc.SequenceEqual(ChunkInfo.Checksum))
{
throw new InvalidDataException("Processed data checksum is incorrect! Downloaded depot chunk is corrupt or invalid/wrong depot key?");
}
Data = processedData;
IsProcessed = true;
}
/// <summary>
/// Initializes a new instance of the <see cref="ClientGCMsgProtobuf<BodyType>"/> class.
/// This is a recieve constructor.
/// </summary>
/// <param name="msg">The packet message to build this gc message from.</param>
public ClientGCMsgProtobuf(IPacketGCMsg msg)
: this(msg.MsgType)
{
DebugLog.Assert(msg.IsProto, "ClientGCMsgProtobuf", "ClientGCMsgProtobuf used for non-proto message!");
Deserialize(msg.GetData());
}
void Connected(object?sender, EventArgs e)
{
DebugLog.Assert(connection != null, nameof(CMClient), "No connection object after connecting.");
DebugLog.Assert(connection.CurrentEndPoint != null, nameof(CMClient), "No connection endpoint after connecting - cannot update server list");
Servers.TryMark(connection.CurrentEndPoint, connection.ProtocolTypes, ServerQuality.Good);
IsConnected = true;
OnClientConnected();
}
void HandleCMList(IPacketMsg packetMsg)
{
var cmMsg = new ClientMsgProtobuf <CMsgClientCMList>(packetMsg);
DebugLog.Assert(cmMsg.Body.cm_addresses.Count == cmMsg.Body.cm_ports.Count, "CMClient", "HandleCMList received malformed message");
var cmList = cmMsg.Body.cm_addresses
.Zip(cmMsg.Body.cm_ports, (addr, port) => new IPEndPoint(NetHelpers.GetIPAddress(addr), ( int )port));
// update our list with steam's list of CMs
Servers.MergeWithList(cmList);
}
private static void SendRequest(string page, string pageTitle, string category, string action, string label, int?value)
{
if (!VCSettings.Analytics || !HasInternet())
{
return;
}
string requestURL = GenerateRequestURL(page, pageTitle, category, action, label, value);
DebugLog.Assert(!requestURL.Contains(archivedURLSeperator), () => "URL contains the 'archivedURLSeperator'");
requestQueue.Enqueue(requestURL);
ProcessRequestQueue();
}
void HandleCMList(IPacketMsg packetMsg)
{
var cmMsg = new ClientMsgProtobuf <CMsgClientCMList>(packetMsg);
DebugLog.Assert(cmMsg.Body.cm_addresses.Count == cmMsg.Body.cm_ports.Count, "CMClient", "HandleCMList received malformed message");
var cmList = cmMsg.Body.cm_addresses
.Zip(cmMsg.Body.cm_ports, (addr, port) => ServerRecord.CreateSocketServer(new IPEndPoint(NetHelpers.GetIPAddress(addr), ( int )port)));
var webSocketList = cmMsg.Body.cm_websocket_addresses.Select(addr => ServerRecord.CreateWebSocketServer(addr));
// update our list with steam's list of CMs
Servers.ReplaceList(cmList.Concat(webSocketList));
}
/// <summary>
/// Sends the specified client message to the server.
/// This method automatically assigns the correct SessionID and SteamID of the message.
/// </summary>
/// <param name="msg">The client message to send.</param>
public void Send(IClientMsg msg)
{
if (msg == null)
{
throw new ArgumentNullException(nameof(msg), "A value for 'msg' must be supplied");
}
DebugLog.Assert(IsConnected, nameof(CMClient), "Send() was called while not connected to Steam.");
var sessionID = this.SessionID;
if (sessionID.HasValue)
{
msg.SessionID = sessionID.Value;
}
var steamID = this.SteamID;
if (steamID != null)
{
msg.SteamID = steamID;
}
var serialized = msg.Serialize();
try
{
DebugNetworkListener?.OnOutgoingNetworkMessage(msg.MsgType, serialized);
}
catch (Exception e)
{
LogDebug("CMClient", "DebugNetworkListener threw an exception: {0}", e);
}
// we'll swallow any network failures here because they will be thrown later
// on the network thread, and that will lead to a disconnect callback
// down the line
try
{
connection?.Send(serialized);
}
catch (IOException)
{
}
catch (SocketException)
{
}
}
private void SetSelection(PasswordBox passwordBox, int start, int length)
{
try
{
if (start < 0x0)
{
start = passwordBox.Password.Length;
}
passwordBox.GetType().GetMethod("Select", BindingFlags.NonPublic | BindingFlags.Instance).Invoke(passwordBox, new object[] { start, length });
}
catch (Exception exception)
{
DebugLog.Assert(false, exception.Message);
passwordBox.SelectAll();
}
}
private void OnCommunitiesSort(object sender, EventArgs args)
{
ICollectionView defaultView = CollectionViewSource.GetDefaultView(InstanceAnswerPro.Core.ComponentManager.GetCommunitiesManager().GetCommunityList());
if (defaultView == null)
{
DebugLog.Assert(false, "严重错误，必看");
}
else if (defaultView.SortDescriptions.Count != 1)
{
defaultView.SortDescriptions.Clear();
defaultView.SortDescriptions.Add(new SortDescription("CombineName", ListSortDirection.Ascending));
}
else
{
defaultView.Refresh();
}
}
private async Task <bool> ReauthConnectionAsync(CDNClient client, CDNClient.Server server, uint appId, uint depotId, byte[] depotKey)
{
DebugLog.Assert(server.Type == "CDN" || server.Type == "SteamCache" || steamSession.AppTickets[depotId] == null, "CDNClientPool", "Re-authing a CDN or anonymous connection");
String cdnAuthToken = null;
try
{
if (DepotKeyStore.ContainsKey(depotId))
{
((ConcurrentDictionary <uint, byte[]>)(typeof(CDNClient).GetField("depotKeys", System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance).GetValue(client))).GetOrAdd(depotId, depotKey);
}
else
{
if (server.Type == "CDN" || server.Type == "SteamCache")
{
steamSession.RequestCDNAuthToken(appId, depotId, server.Host);
var cdnKey = string.Format("{0:D}:{1}", depotId, steamSession.ResolveCDNTopLevelHost(server.Host));
SteamApps.CDNAuthTokenCallback authTokenCallback;
if (steamSession.CDNAuthTokens.TryGetValue(cdnKey, out authTokenCallback))
{
cdnAuthToken = authTokenCallback.Token;
}
else
{
throw new Exception(String.Format("Failed to retrieve CDN token for server {0} depot {1}", server.Host, depotId));
}
}
await client.AuthenticateDepotAsync(depotId, depotKey, cdnAuthToken).ConfigureAwait(false);
}
activeClientAuthed[client] = Tuple.Create(depotId, server);
return(true);
}
catch (Exception ex)
{
Console.WriteLine("Failed to reauth to content server {0}: {1}", server, ex.Message);
}
return(false);
}
private void Hyperlink_Click(object sender, RoutedEventArgs e)
{
Hyperlink hyperlink = sender as Hyperlink;
if (hyperlink != null)
{
HyperLinkObj tag = hyperlink.Tag as HyperLinkObj;
if (tag != null)
{
if (tag is HyperLinkObj_Url)
{
HyperLinkObj_Url url = tag as HyperLinkObj_Url;
BrowserHelper.OpenUrl(BrowserType.System, url.Url);
}
else
{
DebugLog.Assert(false, "响应未处理");
}
}
}
}
private async Task <bool> ReauthConnectionAsync(CDNClient client, CDNClient.Server server, uint appId, uint depotId, byte[] depotKey)
{
DebugLog.Assert(server.Type == "CDN" || server.Type == "SteamCache" || steamSession.AppTickets[depotId] == null, "CDNClientPool", "Re-authing a CDN or anonymous connection");
string cdnAuthToken = null;
try
{
if (server.Type == "CDN" || server.Type == "SteamCache")
{
await steamSession.RequestCDNAuthToken(appId, depotId, server.Host);
var cdnKey = string.Format("{0:D}:{1}", depotId, steamSession.ResolveCDNTopLevelHost(server.Host));
SteamApps.CDNAuthTokenCallback authTokenCallback;
if (steamSession.CDNAuthTokens.TryGetValue(cdnKey, out authTokenCallback))
{
cdnAuthToken = authTokenCallback.Token;
}
else
{
throw new Exception(String.Format("Failed to retrieve CDN token for server {0} depot {1}", server.Host, depotId));
}
}
await client.AuthenticateDepotAsync(depotId, depotKey, cdnAuthToken).ConfigureAwait(false);
//await client.AuthenticateDepotAsync(depotId, depotKey, cdnAuthToken);
activeClientAuthed[client] = Tuple.Create(depotId, server);
return(true);
}
catch (Exception ex)
{
DebugLog.WriteLine("CDNClientPool", "Failed to reauth to content server " + server + ": " + ex.Message);
}
return(false);
}
void HandleEncryptRequest(IPacketMsg packetMsg)
{
var encRequest = new Msg <MsgChannelEncryptRequest>(packetMsg);
EUniverse eUniv = encRequest.Body.Universe;
uint protoVersion = encRequest.Body.ProtocolVersion;
DebugLog.WriteLine("CMClient", "Got encryption request. Universe: {0} Protocol ver: {1}", eUniv, protoVersion);
DebugLog.Assert(protoVersion == 1, "CMClient", "Encryption handshake protocol version mismatch!");
byte[] pubKey = KeyDictionary.GetPublicKey(eUniv);
if (pubKey == null)
{
DebugLog.WriteLine("CMClient", "HandleEncryptionRequest got request for invalid universe! Universe: {0} Protocol ver: {1}", eUniv, protoVersion);
return;
}
ConnectedUniverse = eUniv;
var encResp = new Msg <MsgChannelEncryptResponse>();
tempSessionKey = CryptoHelper.GenerateRandomBlock(32);
byte[] cryptedSessKey = null;
using (var rsa = new RSACrypto(pubKey))
{
cryptedSessKey = rsa.Encrypt(tempSessionKey);
}
byte[] keyCrc = CryptoHelper.CRCHash(cryptedSessKey);
encResp.Write(cryptedSessKey);
encResp.Write(keyCrc);
encResp.Write(( uint )0);
this.Send(encResp);
}
private protected void Disconnect(bool userInitiated)
{
lock ( connectionLock )
{
heartBeatFunc.Stop();
if (connectionCancellation != null)
{
connectionCancellation.Cancel();
connectionCancellation.Dispose();
connectionCancellation = null;
}
var connectionSetupTaskToWait = Interlocked.Exchange(ref connectionSetupTask, null);
// though it's ugly, we want to wait for the completion of this task and keep hold of the lock
connectionSetupTaskToWait?.GetAwaiter().GetResult();
// Connection implementations are required to issue the Disconnected callback before Disconnect() returns
connection?.Disconnect(userInitiated);
DebugLog.Assert(connection == null, nameof(CMClient), "Connection was not released in disconnect.");
}
}
void HandleLoggedOff(IPacketMsg packetMsg)
{
SessionID = null;
SteamID = null;
CellID = null;
PublicIP = null;
IPCountryCode = null;
heartBeatFunc.Stop();
if (packetMsg.IsProto)
{
var logoffMsg = new ClientMsgProtobuf <CMsgClientLoggedOff>(packetMsg);
var logoffResult = ( EResult )logoffMsg.Body.eresult;
if (logoffResult == EResult.TryAnotherCM || logoffResult == EResult.ServiceUnavailable)
{
DebugLog.Assert(connection != null, nameof(CMClient), "No connection object during ClientLoggedOff.");
DebugLog.Assert(connection.CurrentEndPoint != null, nameof(CMClient), "No connection endpoint during ClientLoggedOff - cannot update server list status");
Servers.TryMark(connection.CurrentEndPoint, connection.ProtocolTypes, ServerQuality.Bad);
}
}
}
void ITXIMLoginUIEventExt.OnServerPwdGuard(ITXData pAskData, ITXData pReplyData, out byte pbOptType)
{
pbOptType = 0;
DebugLog.Assert(false, "Server要求输入密保因子");
TXLog.TXLog2("Login", "Server要求输入密保因子");
}
bool HandleEncryptRequest(IPacketMsg packetMsg)
{
var encRequest = new Msg <MsgChannelEncryptRequest>(packetMsg);
EUniverse eUniv = encRequest.Body.Universe;
uint protoVersion = encRequest.Body.ProtocolVersion;
DebugLog.WriteLine("CMClient", "Got encryption request. Universe: {0} Protocol ver: {1}", eUniv, protoVersion);
DebugLog.Assert(protoVersion == 1, "CMClient", "Encryption handshake protocol version mismatch!");
byte[] randomChallenge;
if (encRequest.Payload.Length >= 16)
{
randomChallenge = encRequest.Payload.ToArray();
}
else
{
randomChallenge = null;
}
byte[] pubKey = KeyDictionary.GetPublicKey(eUniv);
if (pubKey == null)
{
connection.Disconnect();
DebugLog.WriteLine("CMClient", "HandleEncryptionRequest got request for invalid universe! Universe: {0} Protocol ver: {1}", eUniv, protoVersion);
return(false);
}
ConnectedUniverse = eUniv;
var encResp = new Msg <MsgChannelEncryptResponse>();
var tempSessionKey = CryptoHelper.GenerateRandomBlock(32);
byte[] encryptedHandshakeBlob = null;
using (var rsa = new RSACrypto(pubKey))
{
if (randomChallenge != null)
{
var blobToEncrypt = new byte[tempSessionKey.Length + randomChallenge.Length];
Array.Copy(tempSessionKey, blobToEncrypt, tempSessionKey.Length);
Array.Copy(randomChallenge, 0, blobToEncrypt, tempSessionKey.Length, randomChallenge.Length);
encryptedHandshakeBlob = rsa.Encrypt(blobToEncrypt);
}
else
{
encryptedHandshakeBlob = rsa.Encrypt(tempSessionKey);
}
}
var keyCrc = CryptoHelper.CRCHash(encryptedHandshakeBlob);
encResp.Write(encryptedHandshakeBlob);
encResp.Write(keyCrc);
encResp.Write(( uint )0);
if (randomChallenge != null)
{
pendingNetFilterEncryption = new NetFilterEncryptionWithHMAC(tempSessionKey);
}
else
{
pendingNetFilterEncryption = new NetFilterEncryption(tempSessionKey);
}
this.Send(encResp);
return(true);
}
void ITXIMLoginUIEventExt.OnServerVerifyFailed(ITXData pData, out int pbRetry)
{
pbRetry = 0;
DebugLog.Assert(false, "server验证失败");
TXLog.TXLog2("Login", "server验证失败");
}
void ITXIMLoginUIEventExt.OnEMBKPic(ITXBuffer pPicBuf)
{
DebugLog.Assert(false, "收到密保图片");
TXLog.TXLog2("Login", "收到密保图片");
}
void ITXIMLoginUIEventExt.OnGetEMBKPicFailed(out byte pbOptType)
{
pbOptType = 0;
DebugLog.Assert(false, "密保图片图片拉取失败");
TXLog.TXLog2("Login", "密保图片图片拉取失败");
}
void ITXIMLoginUIEventExt.OnMBVerifiedExInfo(ITXData pExData)
{
DebugLog.Assert(false, "密保返回附带信息");
TXLog.TXLog2("Login", "密保返回附带信息");
}
/// <summary>
/// Connects this client to a Steam3 server.
/// This begins the process of connecting and encrypting the data channel between the client and the server.
/// Results are returned asynchronously in a <see cref="SteamClient.ConnectedCallback"/>.
/// If the server that SteamKit attempts to connect to is down, a <see cref="SteamClient.DisconnectedCallback"/>
/// will be posted instead.
/// SteamKit will not attempt to reconnect to Steam, you must handle this callback and call Connect again
/// preferrably after a short delay.
/// </summary>
/// <param name="cmServer">
/// The <see cref="IPEndPoint"/> of the CM server to connect to.
/// If <c>null</c>, SteamKit will randomly select a CM server from its internal list.
/// </param>
public void Connect(ServerRecord?cmServer = null)
{
lock ( connectionLock )
{
Disconnect(userInitiated: true);
DebugLog.Assert(connection == null, nameof(CMClient), "Connection is not null");
DebugLog.Assert(connectionSetupTask == null, nameof(CMClient), "Connection setup task is not null");
DebugLog.Assert(connectionCancellation == null, nameof(CMClient), "Connection cancellation token is not null");
connectionCancellation = new CancellationTokenSource();
var token = connectionCancellation.Token;
ExpectDisconnection = false;
Task <ServerRecord?> recordTask;
if (cmServer == null)
{
recordTask = Servers.GetNextServerCandidateAsync(Configuration.ProtocolTypes);
}
else
{
recordTask = Task.FromResult(( ServerRecord? )cmServer);
}
connectionSetupTask = recordTask.ContinueWith(t =>
{
if (token.IsCancellationRequested)
{
LogDebug(nameof(CMClient), "Connection cancelled before a server could be chosen.");
OnClientDisconnected(userInitiated: true);
return;
}
else if (t.IsFaulted || t.IsCanceled)
{
LogDebug(nameof(CMClient), "Server record task threw exception: {0}", t.Exception);
OnClientDisconnected(userInitiated: false);
return;
}
var record = t.Result;
if (record is null)
{
LogDebug(nameof(CMClient), "Server record task returned no result.");
OnClientDisconnected(userInitiated: false);
return;
}
var newConnection = CreateConnection(record.ProtocolTypes & Configuration.ProtocolTypes);
var connectionRelease = Interlocked.Exchange(ref connection, newConnection);
DebugLog.Assert(connectionRelease == null, nameof(CMClient), "Connection was set during a connect, did you call CMClient.Connect() on multiple threads?");
newConnection.NetMsgReceived += NetMsgReceived;
newConnection.Connected += Connected;
newConnection.Disconnected += Disconnected;
newConnection.Connect(record.EndPoint, ( int )ConnectionTimeout.TotalMilliseconds);
}, TaskContinuationOptions.ExecuteSynchronously).ContinueWith(t =>
{
if (t.IsFaulted)
{
LogDebug(nameof(CMClient), "Unhandled exception when attempting to connect to Steam: {0}", t.Exception);
OnClientDisconnected(userInitiated: false);
}
connectionSetupTask = null;
}, TaskContinuationOptions.ExecuteSynchronously);
}
}
