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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006-2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2006 John Brooks <john.brooks@dereferenced.net>
* Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
class KickRejoinData
{
struct KickedUser
{
std::string uuid;
time_t expire;
KickedUser(User* user, unsigned int Delay)
: uuid(user->uuid)
, expire(ServerInstance->Time() + Delay)
{
}
};
typedef std::vector<KickedUser> KickedList;
mutable KickedList kicked;
public:
const unsigned int delay;
KickRejoinData(unsigned int Delay) : delay(Delay) { }
bool canjoin(LocalUser* user) const
{
for (KickedList::iterator i = kicked.begin(); i != kicked.end(); )
{
KickedUser& rec = *i;
if (rec.expire > ServerInstance->Time())
{
if (rec.uuid == user->uuid)
return false;
++i;
}
else
{
// Expired record, remove.
stdalgo::vector::swaperase(kicked, i);
if (kicked.empty())
break;
}
}
return true;
}
void add(User* user)
{
// One user can be in the list multiple times if the user gets kicked, force joins
// (skipping OnUserPreJoin) and gets kicked again, but that's okay because canjoin()
// works correctly in this case as well
kicked.push_back(KickedUser(user, delay));
}
};
/** Handles channel mode +J
*/
class KickRejoin : public ParamMode<KickRejoin, SimpleExtItem<KickRejoinData> >
{
const unsigned int max;
public:
KickRejoin(Module* Creator)
: ParamMode<KickRejoin, SimpleExtItem<KickRejoinData> >(Creator, "kicknorejoin", 'J')
, max(60)
{
}
ModeAction OnSet(User* source, Channel* channel, std::string& parameter) CXX11_OVERRIDE
{
int v = ConvToInt(parameter);
if (v <= 0)
return MODEACTION_DENY;
if ((IS_LOCAL(source) && ((unsigned int)v > max)))
v = max;
ext.set(channel, new KickRejoinData(v));
return MODEACTION_ALLOW;
}
void SerializeParam(Channel* chan, const KickRejoinData* krd, std::string& out)
{
out.append(ConvToStr(krd->delay));
}
std::string GetModuleSettings() const
{
return ConvToStr(max);
}
};
class ModuleKickNoRejoin : public Module
{
KickRejoin kr;
public:
ModuleKickNoRejoin()
: kr(this)
{
}
ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
if (chan)
{
const KickRejoinData* data = kr.ext.get(chan);
if ((data) && (!data->canjoin(user)))
{
user->WriteNumeric(ERR_DELAYREJOIN, chan, InspIRCd::Format("You must wait %u seconds after being kicked to rejoin (+J)", data->delay));
return MOD_RES_DENY;
}
}
return MOD_RES_PASSTHRU;
}
void OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts) CXX11_OVERRIDE
{
if ((!IS_LOCAL(memb->user)) || (source == memb->user))
return;
KickRejoinData* data = kr.ext.get(memb->chan);
if (data)
{
data->add(memb->user);
}
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Channel mode to delay rejoin after kick", VF_VENDOR | VF_COMMON, kr.GetModuleSettings());
}
};
MODULE_INIT(ModuleKickNoRejoin)
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