2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2004, 2008-2009 Craig Edwards <craigedwards@brainbox.cc>
6 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2005, 2007 Robin Burchell <robin+git@viroteck.net>
9 * This file is part of InspIRCd. InspIRCd is free software: you can
10 * redistribute it and/or modify it under the terms of the GNU General Public
11 * License as published by the Free Software Foundation, version 2.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "modules/exemption.h"
26 typedef insp::flat_map<std::string, std::string, irc::insensitive_swo> censor_t;
28 class ModuleCensor : public Module
30 CheckExemption::EventProvider exemptionprov;
32 SimpleUserModeHandler cu;
33 SimpleChannelModeHandler cc;
38 , cu(this, "u_censor", 'G')
39 , cc(this, "censor", 'G')
43 // format of a config entry is <badword text="shit" replace="poo">
44 ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
47 return MOD_RES_PASSTHRU;
50 const char* targetname = NULL;
54 case MessageTarget::TYPE_USER:
56 User* targuser = target.Get<User>();
57 if (!targuser->IsModeSet(cu))
58 return MOD_RES_PASSTHRU;
60 numeric = ERR_CANTSENDTOUSER;
61 targetname = targuser->nick.c_str();
65 case MessageTarget::TYPE_CHANNEL:
67 Channel* targchan = target.Get<Channel>();
68 if (!targchan->IsModeSet(cc))
69 return MOD_RES_PASSTHRU;
71 ModResult result = CheckExemption::Call(exemptionprov, user, targchan, "censor");
72 if (result == MOD_RES_ALLOW)
73 return MOD_RES_PASSTHRU;
75 numeric = ERR_CANNOTSENDTOCHAN;
76 targetname = targchan->name.c_str();
81 return MOD_RES_PASSTHRU;
84 for (censor_t::iterator index = censors.begin(); index != censors.end(); index++)
87 while ((censorpos = irc::find(details.text, index->first)) != std::string::npos)
89 if (index->second.empty())
91 user->WriteNumeric(numeric, targetname, "Your message contained a censored word (" + index->first + "), and was blocked");
95 details.text.replace(censorpos, index->first.size(), index->second);
98 return MOD_RES_PASSTHRU;
101 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
104 * reload our config file on rehash - we must destroy and re-allocate the classes
105 * to call the constructor again and re-read our data.
109 ConfigTagList badwords = ServerInstance->Config->ConfTags("badword");
110 for (ConfigIter i = badwords.first; i != badwords.second; ++i)
112 ConfigTag* tag = i->second;
113 const std::string text = tag->getString("text");
115 throw ModuleException("<badword:text> is empty! at " + tag->getTagLocation());
117 const std::string replace = tag->getString("replace");
118 newcensors[text] = replace;
120 censors.swap(newcensors);
123 Version GetVersion() CXX11_OVERRIDE
125 return Version("Provides user and channel +G mode",VF_VENDOR);
130 MODULE_INIT(ModuleCensor)