BanCandidate GetCandidate(string source)
{
if (string.IsNullOrEmpty(source))
{
return(null);
}
BanCandidate banCandidate;
lock (candidates)
{
if (!candidates.ContainsKey(source))
{
banCandidate = new BanCandidate(source);
candidates[source] = banCandidate;
}
else
{
banCandidate = candidates[source];
}
}
return(banCandidate);
}
bool IncrementCandidateViolationsCount(BanCandidate ipBanCandidate, BanCandidate pubkeyBanCandidate = null)
{
bool shouldBeBanned;
lock (ipBanCandidate)
{
ipBanCandidate.IncViolations(violationsPeriodThreshold);
shouldBeBanned = ShouldBeBanned(ipBanCandidate);
}
if (pubkeyBanCandidate != null)
{
lock (pubkeyBanCandidate)
{
pubkeyBanCandidate.IncViolations(violationsPeriodThreshold);
if (!shouldBeBanned)
{
shouldBeBanned = ShouldBeBanned(pubkeyBanCandidate);
}
}
}
return(shouldBeBanned);
}
bool ShouldBeBanned(BanCandidate banCandidate)
{
return(banCandidate.ViolationsCount >= violationsCountThreshold);
}