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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/>.
*/
/* $ModDesc: Provides channel-specific censor lists (like mode +G but varies from channel to channel) */
#define _CRT_SECURE_NO_DEPRECATE
#define _SCL_SECURE_NO_DEPRECATE
#include "inspircd.h"
#include "u_listmode.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") { }
virtual bool ValidateParam(User* user, Channel* chan, std::string &word)
{
if ((word.length() > 35) || (word.empty()))
{
user->WriteNumeric(935, "%s %s %s :word is too %s for censor list",user->nick.c_str(), chan->name.c_str(), word.c_str(), (word.empty() ? "short" : "long"));
return false;
}
return true;
}
virtual bool TellListTooLong(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(939, "%s %s %s :Channel spamfilter list is full", user->nick.c_str(), chan->name.c_str(), word.c_str());
return true;
}
virtual void TellAlreadyOnList(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(937, "%s %s :The word %s is already on the spamfilter list",user->nick.c_str(), chan->name.c_str(), word.c_str());
}
virtual void TellNotSet(User* user, Channel* chan, std::string &word)
{
user->WriteNumeric(938, "%s %s :No such spamfilter word is set",user->nick.c_str(), chan->name.c_str());
}
};
class ModuleChanFilter : public Module
{
ChanFilter cf;
bool hidemask;
public:
ModuleChanFilter()
: cf(this)
{
}
void init()
{
if (!ServerInstance->Modes->AddMode(&cf))
throw ModuleException("Could not add new modes!");
cf.DoImplements(this);
Implementation eventlist[] = { I_OnRehash, I_OnUserPreMessage, I_OnUserPreNotice, I_OnSyncChannel };
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
OnRehash(NULL);
}
virtual void OnRehash(User* user)
{
hidemask = ServerInstance->Config->ConfValue("chanfilter")->getBool("hidemask");
cf.DoRehash();
}
virtual ModResult ProcessMessages(User* user,Channel* chan,std::string &text)
{
ModResult res = ServerInstance->OnCheckExemption(user,chan,"filter");
if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
return MOD_RES_PASSTHRU;
modelist* list = cf.extItem.get(chan);
if (list)
{
for (modelist::iterator i = list->begin(); i != list->end(); i++)
{
if (InspIRCd::Match(text, i->mask))
{
if (hidemask)
user->WriteNumeric(404, "%s %s :Cannot send to channel (your message contained a censored word)",user->nick.c_str(), chan->name.c_str());
else
user->WriteNumeric(404, "%s %s %s :Cannot send to channel (your message contained a censored word)",user->nick.c_str(), chan->name.c_str(), i->mask.c_str());
return MOD_RES_DENY;
}
}
}
return MOD_RES_PASSTHRU;
}
virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
{
return ProcessMessages(user,(Channel*)dest,text);
}
return MOD_RES_PASSTHRU;
}
virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
}
virtual void OnSyncChannel(Channel* chan, Module* proto, void* opaque)
{
cf.DoSyncChannel(chan, proto, opaque);
}
virtual Version GetVersion()
{
return Version("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR);
}
virtual ~ModuleChanFilter()
{
}
};
MODULE_INIT(ModuleChanFilter)
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