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"
30 /** Handles channel mode +g
32 class ChanFilter : public ListModeBase
37 ChanFilter(Module* Creator)
38 : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", 941, 940, false)
43 bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
45 if (word.length() > maxlen)
47 user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list."));
55 class ModuleChanFilter : public Module
57 CheckExemption::EventProvider exemptionprov;
62 ChanFilter::ListItem* Match(User* user, Channel* chan, const std::string& text)
64 ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter");
65 if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
68 ListModeBase::ModeList* list = cf.GetList(chan);
72 for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
74 if (InspIRCd::Match(text, i->mask))
89 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
91 ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter");
92 hidemask = tag->getBool("hidemask");
93 cf.maxlen = tag->getUInt("maxlen", 35, 10, ModeParser::MODE_PARAM_MAX);
94 notifyuser = tag->getBool("notifyuser", true);
98 void OnUserPart(Membership* memb, std::string& partmessage, CUList& except_list) CXX11_OVERRIDE
103 User* user = memb->user;
104 Channel* chan = memb->chan;
105 ChanFilter::ListItem* match = Match(user, chan, partmessage);
109 // Match() checks the user is local, we can assume from here
110 LocalUser* luser = IS_LOCAL(user);
112 std::string oldreason(partmessage);
113 partmessage = "Reason filtered";
117 ClientProtocol::Messages::Part partmsg(memb, oldreason);
118 ClientProtocol::Event ev(ServerInstance->GetRFCEvents().part, partmsg);
121 // Don't send the user the changed message
122 except_list.insert(user);
127 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your part message contained a censored word)");
129 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your part message contained a censored word: " + match->mask + ")");
132 ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
134 if (target.type != MessageTarget::TYPE_CHANNEL)
135 return MOD_RES_PASSTHRU;
137 Channel* chan = target.Get<Channel>();
138 ChanFilter::ListItem* match = Match(user, chan, details.text);
143 details.echo_original = true;
148 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word)");
150 user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word: " + match->mask + ")");
154 return MOD_RES_PASSTHRU;
157 Version GetVersion() CXX11_OVERRIDE
159 // We don't send any link data if the length is 35 for compatibility with the 2.0 branch.
160 std::string maxfilterlen;
162 maxfilterlen.assign(ConvToStr(cf.maxlen));
164 return Version("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR, maxfilterlen);
168 MODULE_INIT(ModuleChanFilter)