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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2004, 2008-2009 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2005, 2007 Robin Burchell <robin+git@viroteck.net>
*
* 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 "modules/exemption.h"
typedef insp::flat_map<irc::string, irc::string> censor_t;
/** Handles usermode +G
*/
class CensorUser : public SimpleUserModeHandler
{
public:
CensorUser(Module* Creator) : SimpleUserModeHandler(Creator, "u_censor", 'G') { }
};
/** Handles channel mode +G
*/
class CensorChannel : public SimpleChannelModeHandler
{
public:
CensorChannel(Module* Creator) : SimpleChannelModeHandler(Creator, "censor", 'G') { }
};
class ModuleCensor : public Module
{
CheckExemption::EventProvider exemptionprov;
censor_t censors;
CensorUser cu;
CensorChannel cc;
public:
ModuleCensor()
: exemptionprov(this)
, cu(this)
, cc(this)
{
}
// format of a config entry is <badword text="shit" replace="poo">
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE
{
if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
bool active = false;
if (target_type == TYPE_USER)
active = ((User*)dest)->IsModeSet(cu);
else if (target_type == TYPE_CHANNEL)
{
Channel* c = (Channel*)dest;
active = c->IsModeSet(cc);
ModResult res;
FIRST_MOD_RESULT_CUSTOM(exemptionprov, CheckExemption::EventListener, OnCheckExemption, res, (user, c, "censor"));
if (res == MOD_RES_ALLOW)
return MOD_RES_PASSTHRU;
}
if (!active)
return MOD_RES_PASSTHRU;
irc::string text2 = text.c_str();
for (censor_t::iterator index = censors.begin(); index != censors.end(); index++)
{
if (text2.find(index->first) != irc::string::npos)
{
if (index->second.empty())
{
user->WriteNumeric(ERR_WORDFILTERED, ((target_type == TYPE_CHANNEL) ? ((Channel*)dest)->name : ((User*)dest)->nick), index->first.c_str(), "Your message contained a censored word, and was blocked");
return MOD_RES_DENY;
}
stdalgo::string::replace_all(text2, index->first, index->second);
}
}
text = text2.c_str();
return MOD_RES_PASSTHRU;
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
/*
* reload our config file on rehash - we must destroy and re-allocate the classes
* to call the constructor again and re-read our data.
*/
censors.clear();
ConfigTagList badwords = ServerInstance->Config->ConfTags("badword");
for (ConfigIter i = badwords.first; i != badwords.second; ++i)
{
ConfigTag* tag = i->second;
std::string str = tag->getString("text");
irc::string pattern(str.c_str());
str = tag->getString("replace");
censors[pattern] = irc::string(str.c_str());
}
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides user and channel +G mode",VF_VENDOR);
}
};
MODULE_INIT(ModuleCensor)
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