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Core/Chat: Fixed chat channel name validation

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Port From (https://github.com/TrinityCore/TrinityCore/commit/cf525beefd3c12e07b0883963806f202a6daff60)
This commit is contained in:
hondacrx
2023-01-05 17:37:24 -05:00
parent ae33646702
commit 5ee02ce4be
2 changed files with 35 additions and 41 deletions
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Source/Game/Handlers/ChannelHandler.cs
+32 -38
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@@ -41,51 +41,45 @@ namespace Game
return;
}
if (packet.ChannelName.IsEmpty() || char.IsDigit(packet.ChannelName[0]))
{
ChannelNotify channelNotify = new();
channelNotify.Type = ChatNotify.InvalidNameNotice;
channelNotify.Channel = packet.ChannelName;
SendPacket(channelNotify);
return;
}
if (packet.Password.Length > 127)
{
Log.outError(LogFilter.Network, $"Player {GetPlayer().GetGUID()} tried to create a channel with a password more than 127 characters long - blocked");
return;
}
ChannelManager cMgr = ChannelManager.ForTeam(GetPlayer().GetTeam());
if (cMgr != null)
{
if (packet.ChatChannelId != 0)
if (cMgr == null)
return;
if (packet.ChatChannelId != 0)
{ // system channel
Channel channel = cMgr.GetSystemChannel((uint)packet.ChatChannelId, zone);
if (channel != null)
channel.JoinChannel(GetPlayer());
}
else
{ // custom channel
if (packet.ChannelName.IsEmpty() || Char.IsDigit(packet.ChannelName[0]))
{
// system channel
Channel channel = cMgr.GetSystemChannel((uint)packet.ChatChannelId, zone);
if (channel != null)
channel.JoinChannel(GetPlayer());
ChannelNotify channelNotify = new();
channelNotify.Type = ChatNotify.InvalidNameNotice;
channelNotify.Channel = packet.ChannelName;
SendPacket(channelNotify);
return;
}
if (packet.Password.Length > 127)
{
Log.outError(LogFilter.Network, $"Player {GetPlayer().GetGUID()} tried to create a channel with a password more than {127} characters long - blocked");
return;
}
if (!DisallowHyperlinksAndMaybeKick(packet.ChannelName))
return;
Channel channel = cMgr.GetCustomChannel(packet.ChannelName);
if (channel != null)
channel.JoinChannel(GetPlayer(), packet.Password);
else
{
// custom channel
if (packet.ChannelName.Length > 31)
{
Log.outError(LogFilter.Network, $"Player {GetPlayer().GetGUID()} tried to create a channel with a name more than 31 characters long - blocked");
return;
}
Channel channel = cMgr.GetCustomChannel(packet.ChannelName);
channel = cMgr.CreateCustomChannel(packet.ChannelName);
if (channel != null)
channel.JoinChannel(GetPlayer(), packet.Password);
else
{
channel = cMgr.CreateCustomChannel(packet.ChannelName);
if (channel != null)
{
channel.SetPassword(packet.Password);
channel.JoinChannel(GetPlayer(), packet.Password);
}
channel.SetPassword(packet.Password);
channel.JoinChannel(GetPlayer(), packet.Password);
}
}
}