Files
CypherCore/Source/Framework/Realm/RealmManager.cs
T
2024-11-16 23:05:45 -05:00

353 lines
14 KiB
C#

// Copyright (c) CypherCore <http://github.com/CypherCore> All rights reserved.
// Licensed under the GNU GENERAL PUBLIC LICENSE. See LICENSE file in the project root for full license information.
using Framework.ClientBuild;
using Framework.Constants;
using Framework.Database;
using Framework.IO;
using Framework.Realm;
using Framework.Web;
using Framework.Web.Rest.Realmlist;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Text.Json;
using System.Timers;
public class RealmManager : Singleton<RealmManager>
{
public static uint HardcodedDevelopmentRealmCategoryId = 1;
RealmManager() { }
public void Initialize(int updateInterval)
{
_updateTimer = new Timer(TimeSpan.FromSeconds(updateInterval).TotalMilliseconds);
_updateTimer.Elapsed += UpdateRealms;
ClientBuildHelper.LoadBuildInfo();
UpdateRealms(null, null);
_updateTimer.Start();
}
public void Close()
{
_updateTimer.Close();
}
void UpdateRealm(Realm realm)
{
var oldRealm = _realms.LookupByKey(realm.Id);
if (oldRealm != null && oldRealm == realm)
return;
_realms[realm.Id] = realm;
}
void UpdateRealms(object source, ElapsedEventArgs e)
{
PreparedStatement stmt = LoginDatabase.GetPreparedStatement(LoginStatements.SEL_REALMLIST);
SQLResult result = DB.Login.Query(stmt);
Dictionary<RealmId, string> existingRealms = new();
foreach (var p in _realms)
existingRealms[p.Key] = p.Value.Name;
_realms.Clear();
// Circle through results and add them to the realm map
if (!result.IsEmpty())
{
do
{
uint realmId = result.Read<uint>(0);
string name = result.Read<string>(1);
string externalAddressString = result.Read<string>(2);
string localAddressString = result.Read<string>(3);
if (!IPAddress.TryParse(externalAddressString, out IPAddress externalAddress))
{
Log.outError(LogFilter.Realmlist, $"Could not resolve address {externalAddressString} for realm \"{name}\" id {realmId}");
continue;
}
if (!IPAddress.TryParse(localAddressString, out IPAddress localAddress))
{
Log.outError(LogFilter.Realmlist, $"Could not resolve localAddress {localAddressString} for realm \"{name}\" id {realmId}");
continue;
}
var realm = new Realm();
realm.Name = name;
realm.Addresses.Add(externalAddress);
realm.Addresses.Add(localAddress);
realm.Port = result.Read<ushort>(4);
RealmType realmType = (RealmType)result.Read<byte>(5);
if (realmType == RealmType.FFAPVP)
realmType = RealmType.PVP;
if (realmType >= RealmType.MaxType)
realmType = RealmType.Normal;
realm.Type = (byte)realmType;
realm.Flags = ConvertLegacyRealmFlags((LegacyRealmFlags)result.Read<byte>(6));
realm.Timezone = result.Read<byte>(7);
AccountTypes allowedSecurityLevel = (AccountTypes)result.Read<byte>(8);
realm.AllowedSecurityLevel = (allowedSecurityLevel <= AccountTypes.Administrator ? allowedSecurityLevel : AccountTypes.Administrator);
realm.PopulationLevel = ConvertLegacyPopulationState((LegacyRealmFlags)result.Read<byte>(6), result.Read<float>(9));
realm.Build = result.Read<uint>(10);
byte region = result.Read<byte>(11);
byte battlegroup = result.Read<byte>(12);
realm.Id = new RealmId(region, battlegroup, realmId);
UpdateRealm(realm);
var subRegion = new RealmId(region, battlegroup, 0).GetAddressString();
if (!_subRegions.Contains(subRegion))
_subRegions.Add(subRegion);
if (!existingRealms.ContainsKey(realm.Id))
Log.outInfo(LogFilter.Realmlist, $"Added realm \"{realm.Name}\" at {externalAddressString}:{realm.Port}");
else
Log.outDebug(LogFilter.Realmlist, $"Updating realm \"{realm.Name}\" at {externalAddressString}:{realm.Port}");
existingRealms.Remove(realm.Id);
}
while (result.NextRow());
}
foreach (var pair in existingRealms)
Log.outInfo(LogFilter.Realmlist, "Removed realm \"{0}\".", pair.Value);
_removedRealms = existingRealms;
if (_currentRealmId.HasValue)
{
var realm = _realms.LookupByKey(_currentRealmId);
if (realm != null)
_currentRealmId = realm.Id; // fill other fields of realm id
}
}
public Realm GetRealm(RealmId id)
{
return _realms.LookupByKey(id);
}
public RealmId GetCurrentRealmId()
{
return _currentRealmId.HasValue ? _currentRealmId.Value : new();
}
public void SetCurrentRealmId(RealmId id)
{
_currentRealmId = id;
}
public Realm GetCurrentRealm()
{
if (_currentRealmId.HasValue)
return GetRealm(_currentRealmId.Value);
return null;
}
public void WriteSubRegions(Bgs.Protocol.GameUtilities.V1.GetAllValuesForAttributeResponse response)
{
foreach (string subRegion in GetSubRegions())
{
var variant = new Bgs.Protocol.Variant();
variant.StringValue = subRegion;
response.AttributeValue.Add(variant);
}
}
void FillRealmEntry(Realm realm, uint clientBuild, AccountTypes accountSecurityLevel, RealmEntry realmEntry)
{
realmEntry.WowRealmAddress = (int)realm.Id.GetAddress();
realmEntry.CfgTimezonesID = 1;
if (accountSecurityLevel >= realm.AllowedSecurityLevel || realm.PopulationLevel == RealmPopulationState.Offline)
realmEntry.PopulationState = (int)realm.PopulationLevel;
else
realmEntry.PopulationState = (int)RealmPopulationState.Locked;
realmEntry.CfgCategoriesID = realm.Timezone;
ClientVersion version = new();
ClientBuildInfo buildInfo = ClientBuildHelper.GetBuildInfo(realm.Build);
if (buildInfo != null)
{
version.Major = (int)buildInfo.MajorVersion;
version.Minor = (int)buildInfo.MinorVersion;
version.Revision = (int)buildInfo.BugfixVersion;
version.Build = (int)buildInfo.Build;
}
else
{
version.Major = 6;
version.Minor = 2;
version.Revision = 4;
version.Build = (int)realm.Build;
}
RealmFlags flag = realm.Flags;
if (realm.Build != clientBuild)
flag |= RealmFlags.VersionMismatch;
realmEntry.Version = version;
realmEntry.CfgRealmsID = (int)realm.Id.Index;
realmEntry.Flags = (int)flag;
realmEntry.Name = realm.Name;
realmEntry.CfgConfigsID = (int)realm.GetConfigId();
realmEntry.CfgLanguagesID = 1;
}
public byte[] GetRealmEntryJSON(RealmId id, uint build, AccountTypes accountSecurityLevel)
{
byte[] compressed = [];
Realm realm = GetRealm(id);
if (realm != null)
{
if (realm.PopulationLevel != RealmPopulationState.Offline && realm.Build == build && accountSecurityLevel >= realm.AllowedSecurityLevel)
{
RealmEntry realmEntry = new();
FillRealmEntry(realm, build, accountSecurityLevel, realmEntry);
var jsonData = Encoding.UTF8.GetBytes("JamJSONRealmEntry:" + JsonSerializer.Serialize(realmEntry) + "\0");
compressed = BitConverter.GetBytes(jsonData.Length).Combine(ZLib.Compress(jsonData));
}
}
return compressed;
}
public byte[] GetRealmList(uint build, AccountTypes accountSecurityLevel, string subRegion)
{
var realmList = new RealmListUpdates();
foreach (var (_, realm) in _realms)
{
if (realm.Id.GetSubRegionAddress() != subRegion)
continue;
RealmListUpdatePart state = new();
FillRealmEntry(realm, build, accountSecurityLevel, state.Update);
state.Deleting = false;
realmList.Updates.Add(state);
}
foreach (var (id, _) in _removedRealms)
{
if (id.GetSubRegionAddress() != subRegion)
continue;
RealmListUpdatePart state = new();
state.WoWRealmAddress = (int)id.GetAddress();
state.Deleting = true;
realmList.Updates.Add(state);
}
var jsonData = Encoding.UTF8.GetBytes("JSONRealmListUpdates:" + JsonSerializer.Serialize(realmList) + "\0");
return BitConverter.GetBytes(jsonData.Length).Combine(ZLib.Compress(jsonData));
}
public BattlenetRpcErrorCode JoinRealm(uint realmAddress, uint build, ClientBuildVariantId buildVariant, IPAddress clientAddress, byte[] clientSecret, Locale locale, string os, TimeSpan timezoneOffset, string accountName, AccountTypes accountSecurityLevel, Bgs.Protocol.GameUtilities.V1.ClientResponse response)
{
Realm realm = GetRealm(new RealmId(realmAddress));
if (realm != null)
{
if (realm.PopulationLevel == RealmPopulationState.Offline || realm.Build != build || accountSecurityLevel < realm.AllowedSecurityLevel)
return BattlenetRpcErrorCode.UserServerNotPermittedOnRealm;
RealmListServerIPAddresses serverAddresses = new();
AddressFamily addressFamily = new();
addressFamily.Id = 1;
var address = new Address();
address.Ip = realm.GetAddressForClient(clientAddress).ToString();
address.Port = realm.Port;
addressFamily.Addresses.Add(address);
serverAddresses.Families.Add(addressFamily);
var jsonData = Encoding.UTF8.GetBytes("JSONRealmListServerIPAddresses:" + JsonSerializer.Serialize(serverAddresses) + "\0");
byte[] compressed = BitConverter.GetBytes(jsonData.Length).Combine(ZLib.Compress(jsonData));
byte[] serverSecret = new byte[0].GenerateRandomKey(32);
byte[] keyData = clientSecret.Combine(serverSecret);
PreparedStatement stmt = LoginDatabase.GetPreparedStatement(LoginStatements.UPD_BNET_GAME_ACCOUNT_LOGIN_INFO);
stmt.AddValue(0, keyData);
stmt.AddValue(1, clientAddress.ToString());
stmt.AddValue(2, build);
stmt.AddValue(3, (byte)locale);
stmt.AddValue(4, os);
stmt.AddValue(5, (short)timezoneOffset.TotalMinutes);
stmt.AddValue(6, accountName);
DB.Login.DirectExecute(stmt);
RealmJoinTicket joinTicket = new();
joinTicket.GameAccount = accountName;
joinTicket.Platform = buildVariant.Platform;
joinTicket.ClientArch = buildVariant.Arch;
joinTicket.Type = buildVariant.Type;
Bgs.Protocol.Attribute attribute = new();
attribute.Name = "Param_RealmJoinTicket";
attribute.Value = new Bgs.Protocol.Variant();
attribute.Value.BlobValue = Google.Protobuf.ByteString.CopyFromUtf8(JsonSerializer.Serialize(joinTicket));
response.Attribute.Add(attribute);
attribute = new Bgs.Protocol.Attribute();
attribute.Name = "Param_ServerAddresses";
attribute.Value = new Bgs.Protocol.Variant();
attribute.Value.BlobValue = Google.Protobuf.ByteString.CopyFrom(compressed);
response.Attribute.Add(attribute);
attribute = new Bgs.Protocol.Attribute();
attribute.Name = "Param_JoinSecret";
attribute.Value = new Bgs.Protocol.Variant();
attribute.Value.BlobValue = Google.Protobuf.ByteString.CopyFrom(serverSecret);
response.Attribute.Add(attribute);
return BattlenetRpcErrorCode.Ok;
}
return BattlenetRpcErrorCode.UtilServerUnknownRealm;
}
RealmFlags ConvertLegacyRealmFlags(LegacyRealmFlags legacyRealmFlags)
{
RealmFlags realmFlags = RealmFlags.None;
if (legacyRealmFlags.HasAnyFlag(LegacyRealmFlags.VersionMismatch))
realmFlags |= RealmFlags.VersionMismatch;
return realmFlags;
}
RealmPopulationState ConvertLegacyPopulationState(LegacyRealmFlags legacyRealmFlags, float population)
{
if (legacyRealmFlags.HasAnyFlag(LegacyRealmFlags.Offline))
return RealmPopulationState.Offline;
if (legacyRealmFlags.HasAnyFlag(LegacyRealmFlags.Recommended))
return RealmPopulationState.Recommended;
if (legacyRealmFlags.HasAnyFlag(LegacyRealmFlags.New))
return RealmPopulationState.New;
if (legacyRealmFlags.HasAnyFlag(LegacyRealmFlags.Full) || population > 0.95f)
return RealmPopulationState.Full;
if (population > 0.66f)
return RealmPopulationState.High;
if (population > 0.33f)
return RealmPopulationState.Medium;
return RealmPopulationState.Low;
}
public ICollection<Realm> GetRealms() { return _realms.Values; }
List<string> GetSubRegions() { return _subRegions; }
ConcurrentDictionary<RealmId, Realm> _realms = new();
Dictionary<RealmId, string> _removedRealms = new();
List<string> _subRegions = new();
Timer _updateTimer;
RealmId? _currentRealmId;
}