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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 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
* Copyright (C) 2005 Craig McLure <craig@chatspike.net>
* Copyright (C) 2005 Craig Edwards <craigedwards@brainbox.cc>
*
* 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"
#include "listmode.h"
#include "modules/exemption.h"
/** Handles channel mode +g
*/
class ChanFilter : public ListModeBase
{
public:
ChanFilter(Module* Creator) : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", 941, 940, false, "chanfilter") { }
bool ValidateParam(User* user, Channel* chan, std::string &word)
{
if (word.length() > 35)
{
user->WriteNumeric(935, chan->name, word, "%word is too long for censor list");
return false;
}
return true;
}
void TellListTooLong(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(939, chan->name, word, "Channel spamfilter list is full");
}
void TellAlreadyOnList(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(937, chan->name, InspIRCd::Format("The word %s is already on the spamfilter list", word.c_str()));
}
void TellNotSet(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(938, chan->name, "No such spamfilter word is set");
}
};
class ModuleChanFilter : public Module
{
CheckExemption::EventProvider exemptionprov;
ChanFilter cf;
bool hidemask;
public:
ModuleChanFilter()
: exemptionprov(this)
, cf(this)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
hidemask = ServerInstance->Config->ConfValue("chanfilter")->getBool("hidemask");
cf.DoRehash();
}
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE
{
if (target_type != TYPE_CHANNEL)
return MOD_RES_PASSTHRU;
Channel* chan = static_cast<Channel*>(dest);
ModResult res;
FIRST_MOD_RESULT_CUSTOM(exemptionprov, CheckExemption::EventListener, OnCheckExemption, res, (user, chan, "filter"));
if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
return MOD_RES_PASSTHRU;
ListModeBase::ModeList* list = cf.GetList(chan);
if (list)
{
for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
{
if (InspIRCd::Match(text, i->mask))
{
if (hidemask)
user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word)");
else
user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, i->mask, "Cannot send to channel (your message contained a censored word)");
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR);
}
};
MODULE_INIT(ModuleChanFilter)
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