IW4M-Admin/Plugins/SimpleStats/Cheat/Detection.cs
RaidMax 9db8ad80ef fixed bug with lifetime hit ratio causing erroneous ban
ip lookup on profile shows error if failed
truncate chat messages over 50 characters
removed html raw on client messages :c
show client rank colors on server overview if authorized
break long messages on profile page
prevent masked status showing up to non privileged users in webfront
2018-03-28 22:01:09 -05:00

333 lines
15 KiB
C#

using SharedLibrary.Helpers;
using SharedLibrary.Interfaces;
using SharedLibrary.Objects;
using StatsPlugin.Helpers;
using StatsPlugin.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace StatsPlugin.Cheat
{
class Detection
{
int Kills;
int AboveThresholdCount;
double AverageKillTime;
Dictionary<IW4Info.HitLocation, int> HitLocationCount;
EFClientStatistics ClientStats;
DateTime LastKill;
ILogger Log;
public Detection(ILogger log, EFClientStatistics clientStats)
{
Log = log;
HitLocationCount = new Dictionary<IW4Info.HitLocation, int>();
foreach (var loc in Enum.GetValues(typeof(IW4Info.HitLocation)))
HitLocationCount.Add((IW4Info.HitLocation)loc, 0);
LastKill = DateTime.UtcNow;
ClientStats = clientStats;
}
/// <summary>
/// Analyze kill and see if performed by a cheater
/// </summary>
/// <param name="kill">kill performed by the player</param>
/// <returns>true if detection reached thresholds, false otherwise</returns>
public DetectionPenaltyResult ProcessKill(EFClientKill kill)
{
if ((kill.DeathType != IW4Info.MeansOfDeath.MOD_PISTOL_BULLET &&
kill.DeathType != IW4Info.MeansOfDeath.MOD_RIFLE_BULLET &&
kill.DeathType != IW4Info.MeansOfDeath.MOD_HEAD_SHOT) ||
kill.HitLoc == IW4Info.HitLocation.none)
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Any,
RatioAmount = 0
};
HitLocationCount[kill.HitLoc]++;
Kills++;
AverageKillTime = (AverageKillTime + (DateTime.UtcNow - LastKill).TotalSeconds) / Kills;
#region VIEWANGLES
double distance = Vector3.Distance(kill.KillOrigin, kill.DeathOrigin);
double x = kill.KillOrigin.X + distance * Math.Cos(kill.ViewAngles.X.ToRadians()) * Math.Cos(kill.ViewAngles.Y.ToRadians());
double y = kill.KillOrigin.Y + (distance * Math.Sin(kill.ViewAngles.X.ToRadians()) * Math.Cos(kill.ViewAngles.Y.ToRadians()));
double z = kill.KillOrigin.Z + distance * Math.Sin((360.0f - kill.ViewAngles.Y).ToRadians());
var trueVector = Vector3.Subtract(kill.KillOrigin, kill.DeathOrigin);
var calculatedVector = Vector3.Subtract(kill.KillOrigin, new Vector3((float)x, (float)y, (float)z));
double angle = trueVector.AngleBetween(calculatedVector);
if (kill.AdsPercent > 0.5)
{
var hitLoc = ClientStats.HitLocations
.First(hl => hl.Location == kill.HitLoc);
float previousAverage = hitLoc.HitOffsetAverage;
double newAverage = (previousAverage * (hitLoc.HitCount - 1) + angle) / hitLoc.HitCount;
hitLoc.HitOffsetAverage = (float)newAverage;
}
#endregion
#region SESSION_RATIOS
if (Kills >= Thresholds.LowSampleMinKills)
{
double marginOfError = Thresholds.GetMarginOfError(Kills);
// determine what the max headshot percentage can be for current number of kills
double lerpAmount = Math.Min(1.0, (Kills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
double maxHeadshotLerpValueForFlag = Thresholds.Lerp(Thresholds.HeadshotRatioThresholdLowSample(2.0), Thresholds.HeadshotRatioThresholdHighSample(2.0), lerpAmount) + marginOfError;
double maxHeadshotLerpValueForBan = Thresholds.Lerp(Thresholds.HeadshotRatioThresholdLowSample(3.0), Thresholds.HeadshotRatioThresholdHighSample(3.0), lerpAmount) + marginOfError;
// determine what the max bone percentage can be for current number of kills
double maxBoneRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.BoneRatioThresholdLowSample(2.25), Thresholds.BoneRatioThresholdHighSample(2.25), lerpAmount) + marginOfError;
double maxBoneRatioLerpValueForBan = Thresholds.Lerp(Thresholds.BoneRatioThresholdLowSample(3.25), Thresholds.BoneRatioThresholdHighSample(3.25), lerpAmount) + marginOfError;
// calculate headshot ratio
double currentHeadshotRatio = ((HitLocationCount[IW4Info.HitLocation.head] + HitLocationCount[IW4Info.HitLocation.helmet]) / (double)Kills);
// calculate maximum bone
double currentMaxBoneRatio = (HitLocationCount.Values.Select(v => v / (double)Kills).Max());
var bone = HitLocationCount.FirstOrDefault(b => b.Value == HitLocationCount.Values.Max()).Key;
#region HEADSHOT_RATIO
// flag on headshot
if (currentHeadshotRatio > maxHeadshotLerpValueForFlag)
{
// ban on headshot
if (currentHeadshotRatio > maxHeadshotLerpValueForFlag)
{
AboveThresholdCount++;
Log.WriteDebug("**Maximum Headshot Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentHeadshotRatio}");
Log.WriteDebug($"**MaxRatio {maxHeadshotLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentHeadshotRatio,
Bone = IW4Info.HitLocation.head,
KillCount = Kills
};
}
else
{
AboveThresholdCount++;
Log.WriteDebug("**Maximum Headshot Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentHeadshotRatio}");
Log.WriteDebug($"**MaxRatio {maxHeadshotLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentHeadshotRatio,
Bone = IW4Info.HitLocation.head,
KillCount = Kills
};
}
}
#endregion
#region BONE_RATIO
// flag on bone ratio
else if (currentMaxBoneRatio > maxBoneRatioLerpValueForFlag)
{
// ban on bone ratio
if (currentMaxBoneRatio > maxBoneRatioLerpValueForBan)
{
Log.WriteDebug("**Maximum Bone Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentMaxBoneRatio}");
Log.WriteDebug($"**MaxRatio {maxBoneRatioLerpValueForBan}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentMaxBoneRatio,
Bone = bone,
KillCount = Kills
};
}
else
{
Log.WriteDebug("**Maximum Bone Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Kills: {Kills}");
Log.WriteDebug($"**Ratio {currentMaxBoneRatio}");
Log.WriteDebug($"**MaxRatio {maxBoneRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentMaxBoneRatio,
Bone = bone,
KillCount = Kills
};
}
}
#endregion
}
#region CHEST_ABDOMEN_RATIO_SESSION
int chestKills = HitLocationCount[IW4Info.HitLocation.torso_upper];
if (chestKills >= Thresholds.MediumSampleMinKills)
{
double marginOfError = Thresholds.GetMarginOfError(chestKills);
double lerpAmount = Math.Min(1.0, (chestKills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
// determine max acceptable ratio of chest to abdomen kills
double chestAbdomenRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(3), Thresholds.ChestAbdomenRatioThresholdHighSample(3), lerpAmount) + marginOfError;
double chestAbdomenLerpValueForBan = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(4), Thresholds.ChestAbdomenRatioThresholdHighSample(4), lerpAmount) + marginOfError;
double currentChestAbdomenRatio = HitLocationCount[IW4Info.HitLocation.torso_upper] / (double)HitLocationCount[IW4Info.HitLocation.torso_lower];
if (currentChestAbdomenRatio > chestAbdomenRatioLerpValueForFlag)
{
if (currentChestAbdomenRatio > chestAbdomenLerpValueForBan && chestKills >= Thresholds.MediumSampleMinKills + 30)
{
Log.WriteDebug("**Maximum Chest/Abdomen Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Chest Kills: {chestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenLerpValueForBan}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentChestAbdomenRatio,
Bone = 0,
KillCount = chestKills
};
}
else
{
Log.WriteDebug("**Maximum Chest/Abdomen Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {kill.AttackerId}");
Log.WriteDebug($"**Chest Kills: {chestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var kvp in HitLocationCount)
sb.Append($"HitLocation: {kvp.Key} -> {kvp.Value}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentChestAbdomenRatio,
Bone = 0,
KillCount = chestKills
};
}
}
}
#endregion
#endregion
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Any,
RatioAmount = 0
};
}
public DetectionPenaltyResult ProcessTotalRatio(EFClientStatistics stats)
{
int totalChestKills = stats.HitLocations.Single(c => c.Location == IW4Info.HitLocation.left_arm_upper).HitCount;
if (totalChestKills >= 250)
{
double marginOfError = Thresholds.GetMarginOfError(totalChestKills);
double lerpAmount = Math.Min(1.0, (totalChestKills - Thresholds.LowSampleMinKills) / (double)(Thresholds.HighSampleMinKills - Thresholds.LowSampleMinKills));
// determine max acceptable ratio of chest to abdomen kills
double chestAbdomenRatioLerpValueForFlag = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(2.25), Thresholds.ChestAbdomenRatioThresholdHighSample(2.25), lerpAmount) + marginOfError;
double chestAbdomenLerpValueForBan = Thresholds.Lerp(Thresholds.ChestAbdomenRatioThresholdLowSample(3.0), Thresholds.ChestAbdomenRatioThresholdHighSample(3.0), lerpAmount) + marginOfError;
double currentChestAbdomenRatio = stats.HitLocations.Single(hl => hl.Location == IW4Info.HitLocation.torso_upper).HitCount /
stats.HitLocations.Single(hl => hl.Location == IW4Info.HitLocation.torso_lower).HitCount;
if (currentChestAbdomenRatio > chestAbdomenRatioLerpValueForFlag)
{
if (currentChestAbdomenRatio > chestAbdomenLerpValueForBan)
{
Log.WriteDebug("**Maximum Lifetime Chest/Abdomen Ratio Reached For Ban**");
Log.WriteDebug($"ClientId: {stats.ClientId}");
Log.WriteDebug($"**Total Chest Kills: {totalChestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenLerpValueForBan}");
var sb = new StringBuilder();
foreach (var location in stats.HitLocations)
sb.Append($"HitLocation: {location.Location} -> {location.HitCount}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Ban,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = totalChestKills
};
}
else
{
Log.WriteDebug("**Maximum Lifetime Chest/Abdomen Ratio Reached For Flag**");
Log.WriteDebug($"ClientId: {stats.ClientId}");
Log.WriteDebug($"**Total Chest Kills: {totalChestKills}");
Log.WriteDebug($"**Ratio {currentChestAbdomenRatio}");
Log.WriteDebug($"**MaxRatio {chestAbdomenRatioLerpValueForFlag}");
var sb = new StringBuilder();
foreach (var location in stats.HitLocations)
sb.Append($"HitLocation: {location.Location} -> {location.HitCount}\r\n");
Log.WriteDebug(sb.ToString());
// Log.WriteDebug($"ThresholdReached: {AboveThresholdCount}");
return new DetectionPenaltyResult()
{
ClientPenalty = Penalty.PenaltyType.Flag,
RatioAmount = currentChestAbdomenRatio,
Bone = IW4Info.HitLocation.torso_upper,
KillCount = totalChestKills
};
}
}
}
return new DetectionPenaltyResult()
{
Bone = IW4Info.HitLocation.none,
ClientPenalty = Penalty.PenaltyType.Any
};
}
}
}