2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
6 * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
7 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
8 * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
9 * Copyright (C) 2005 Craig McLure <craig@chatspike.net>
10 * Copyright (C) 2005 Craig Edwards <craigedwards@brainbox.cc>
12 * This file is part of InspIRCd. InspIRCd is free software: you can
13 * redistribute it and/or modify it under the terms of the GNU General Public
14 * License as published by the Free Software Foundation, version 2.
16 * This program is distributed in the hope that it will be useful, but WITHOUT
17 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
18 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
21 * You should have received a copy of the GNU General Public License
22 * along with this program. If not, see <http://www.gnu.org/licenses/>.
28 #include "modules/exemption.h"
33 ERR_ALREADYCHANFILTERED = 937,
34 ERR_NOSUCHCHANFILTER = 938
37 /** Handles channel mode +g
39 class ChanFilter : public ListModeBase
44 ChanFilter(Module* Creator) : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", 941, 940, false, "chanfilter") { }
46 bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
48 if (word.length() > maxlen)
50 user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list"));
57 void TellAlreadyOnList(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
59 user->WriteNumeric(ERR_ALREADYCHANFILTERED, chan->name, InspIRCd::Format("The word %s is already on the spamfilter list", word.c_str()));
62 void TellNotSet(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
64 user->WriteNumeric(ERR_NOSUCHCHANFILTER, chan->name, "No such spamfilter word is set");
68 class ModuleChanFilter : public Module
70 CheckExemption::EventProvider exemptionprov;
83 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
85 ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter");
86 hidemask = tag->getBool("hidemask");
87 cf.maxlen = tag->getUInt("maxlen", 35, 10, 100);
88 notifyuser = tag->getBool("notifyuser", true);
92 ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
94 if (target.type != MessageTarget::TYPE_CHANNEL)
95 return MOD_RES_PASSTHRU;
97 Channel* chan = target.Get<Channel>();
98 ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter");
100 if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
101 return MOD_RES_PASSTHRU;
103 ListModeBase::ModeList* list = cf.GetList(chan);
107 for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
109 if (InspIRCd::Match(details.text, i->mask))
113 details.echo_original = true;
118 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word)");
120 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word: " + i->mask + ")");
126 return MOD_RES_PASSTHRU;
129 Version GetVersion() CXX11_OVERRIDE
131 // We don't send any link data if the length is 35 for compatibility with the 2.0 branch.
132 std::string maxfilterlen;
134 maxfilterlen.assign(ConvToStr(cf.maxlen));
136 return Version("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR, maxfilterlen);
140 MODULE_INIT(ModuleChanFilter)