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fix: Fixes and optimizes NameVerification and ProfanityProtection (#2153)

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### Summary

Significantly improves the performance of NameVerification & ProfanityProtection:

```cs
| Method         | Mean      | Error     | StdDev    |
|--------------- |----------:|----------:|----------:|
| ValidateName   | 728.34 ns | 13.244 ns | 11.059 ns |
| ValidateNameSV |  26.62 ns |  0.233 ns |  0.207 ns |
```
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Kamron Batman 2025-04-12 02:26:10 -07:00 • committed by GitHub
parent 0ce2a62a76
commit a94814a7ef
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9 changed files with 624 additions and 440 deletions
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253
Projects/UOContent/Misc/ProfanityProtection.cs
View file

@ -1,140 +1,147 @@
using System;
using System.Buffers;
namespace Server.Misc
namespace Server.Misc;
public enum ProfanityAction
{
public enum ProfanityAction
None, // no action taken
Disallow, // speech is not displayed
Criminal, // makes the player criminal, not killable by guards
CriminalAction, // makes the player criminal, can be killed by guards
Disconnect, // player is kicked
Other // some other implementation
}
public static class ProfanityProtection
{
private static bool Enabled;
private static ProfanityAction Action;
public static void Configure()
{
None, // no action taken
Disallow, // speech is not displayed
Criminal, // makes the player criminal, not killable by guards
CriminalAction, // makes the player criminal, can be killed by guards
Disconnect, // player is kicked
Other // some other implementation
Enabled = ServerConfiguration.GetSetting("profanityProtection.enabled", false);
Action = ServerConfiguration.GetSetting("profanityProtection.action", ProfanityAction.Disallow);
if (Enabled)
{
EventSink.Speech += EventSink_Speech;
}
}
public static class ProfanityProtection
// Used by the guild system
public static readonly SearchValues<char> Exceptions = SearchValues.Create(
' ', '-', '.', '\'', '"', ',', '_', '+', '=', '~', '`', '!', '^', '*', '\\', '/', ';', ':', '<', '>', '[', ']',
'{', '}', '?', '|', '(', ')', '%', '$', '&', '#', '@'
);
public static readonly string[] Disallowed =
[
"jigaboo",
"chigaboo",
"wop",
"kyke",
"kike",
"tit",
"spic",
"prick",
"piss",
"lezbo",
"lesbo",
"felatio",
"dyke",
"dildo",
"chinc",
"chink",
"cunnilingus",
"cum",
"cocksucker",
"cock",
"clitoris",
"clit",
"ass",
"hitler",
"penis",
"nigga",
"nigger",
"klit",
"kunt",
"jiz",
"jism",
"jerkoff",
"jackoff",
"goddamn",
"fag",
"blowjob",
"bitch",
"asshole",
"dick",
"pussy",
"snatch",
"cunt",
"twat",
"shit",
"fuck",
];
public static readonly SearchValues<string> DisallowedSearchValues = SearchValues.Create(
Disallowed,
StringComparison.OrdinalIgnoreCase
);
private static bool OnProfanityDetected(Mobile from, string speech)
{
// TODO: Move this to configuration
private static readonly bool Enabled = false;
private static readonly ProfanityAction
Action = ProfanityAction.Disallow; // change here what to do when profanity is detected
public static char[] Exceptions { get; } =
switch (Action)
{
' ', '-', '.', '\'', '"', ',', '_', '+', '=', '~', '`', '!', '^', '*', '\\', '/', ';', ':', '<', '>', '[', ']',
'{', '}', '?', '|', '(', ')', '%', '$', '&', '#', '@'
};
case ProfanityAction.None: return true;
case ProfanityAction.Disallow: return false;
case ProfanityAction.Criminal:
from.Criminal = true;
return true;
case ProfanityAction.CriminalAction:
from.CriminalAction(false);
return true;
case ProfanityAction.Disconnect:
{
from.NetState?.Disconnect("Using profanity.");
public static string[] StartDisallowed { get; } = Array.Empty<string>();
return false;
}
default:
case ProfanityAction.Other: // TODO: Provide custom implementation if this is chosen
{
return true;
}
}
}
public static string[] Disallowed { get; } =
public static bool ContainsProfanity(ReadOnlySpan<char> speech) =>
speech.Length > 0 &&
!NameVerification.Validate(
speech,
1,
int.MaxValue,
true,
true,
true,
int.MaxValue, // allow all non-alphanumeric characters
null,
Disallowed,
DisallowedSearchValues
);
private static void EventSink_Speech(SpeechEventArgs e)
{
var from = e.Mobile;
if (from.AccessLevel > AccessLevel.Player)
{
"jigaboo",
"chigaboo",
"wop",
"kyke",
"kike",
"tit",
"spic",
"prick",
"piss",
"lezbo",
"lesbo",
"felatio",
"dyke",
"dildo",
"chinc",
"chink",
"cunnilingus",
"cum",
"cocksucker",
"cock",
"clitoris",
"clit",
"ass",
"hitler",
"penis",
"nigga",
"nigger",
"klit",
"kunt",
"jiz",
"jism",
"jerkoff",
"jackoff",
"goddamn",
"fag",
"blowjob",
"bitch",
"asshole",
"dick",
"pussy",
"snatch",
"cunt",
"twat",
"shit",
"fuck"
};
public static void Initialize()
{
if (Enabled)
{
EventSink.Speech += EventSink_Speech;
}
return;
}
private static bool OnProfanityDetected(Mobile from, string speech)
if (ContainsProfanity(e.Speech))
{
switch (Action)
{
case ProfanityAction.None: return true;
case ProfanityAction.Disallow: return false;
case ProfanityAction.Criminal:
from.Criminal = true;
return true;
case ProfanityAction.CriminalAction:
from.CriminalAction(false);
return true;
case ProfanityAction.Disconnect:
{
from.NetState?.Disconnect("Using profanity.");
return false;
}
default:
case ProfanityAction.Other: // TODO: Provide custom implementation if this is chosen
{
return true;
}
}
}
private static void EventSink_Speech(SpeechEventArgs e)
{
var from = e.Mobile;
if (from.AccessLevel > AccessLevel.Player)
{
return;
}
if (!NameVerification.Validate(
e.Speech,
0,
int.MaxValue,
true,
true,
false,
int.MaxValue,
Exceptions,
Disallowed,
StartDisallowed
))
{
e.Blocked = !OnProfanityDetected(from, e.Speech);
}
e.Blocked = !OnProfanityDetected(from, e.Speech);
}
}
}