/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2019 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2018 Robby <robby@chatbelgie.be>
* 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>
+ * Copyright (C) 2006 Oliver Lupton <om@inspircd.org>
+ * Copyright (C) 2005-2006, 2008-2010 Craig Edwards <brain@inspircd.org>
*
* 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
enum
{
// InspIRCd-specific.
- ERR_ALREADYCHANFILTERED = 937,
- ERR_NOSUCHCHANFILTER = 938,
- ERR_CHANFILTERFULL = 939
+ RPL_ENDOFSPAMFILTER = 940,
+ RPL_SPAMFILTER = 941
};
-/** Handles channel mode +g
- */
class ChanFilter : public ListModeBase
{
public:
unsigned long maxlen;
- ChanFilter(Module* Creator) : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", 941, 940, false, "chanfilter") { }
+ ChanFilter(Module* Creator)
+ : ListModeBase(Creator, "filter", 'g', "End of channel spamfilter list", RPL_SPAMFILTER, RPL_ENDOFSPAMFILTER, false)
+ {
+ syntax = "<pattern>";
+ }
bool ValidateParam(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
{
if (word.length() > maxlen)
{
- user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list"));
+ user->WriteNumeric(Numerics::InvalidModeParameter(chan, this, word, "Word is too long for the spamfilter list."));
return false;
}
return true;
}
-
- void TellListTooLong(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
- {
- user->WriteNumeric(ERR_CHANFILTERFULL, chan->name, word, "Channel spamfilter list is full");
- }
-
- void TellAlreadyOnList(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
- {
- user->WriteNumeric(ERR_ALREADYCHANFILTERED, chan->name, InspIRCd::Format("The word %s is already on the spamfilter list", word.c_str()));
- }
-
- void TellNotSet(User* user, Channel* chan, std::string& word) CXX11_OVERRIDE
- {
- user->WriteNumeric(ERR_NOSUCHCHANFILTER, chan->name, "No such spamfilter word is set");
- }
};
class ModuleChanFilter : public Module
bool hidemask;
bool notifyuser;
+ ChanFilter::ListItem* Match(User* user, Channel* chan, const std::string& text)
+ {
+ ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter");
+ if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
+ return NULL;
+
+ ListModeBase::ModeList* list = cf.GetList(chan);
+ if (!list)
+ return NULL;
+
+ for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
+ {
+ if (InspIRCd::Match(text, i->mask))
+ return &*i;
+ }
+
+ return NULL;
+ }
+
public:
ModuleChanFilter()
{
ConfigTag* tag = ServerInstance->Config->ConfValue("chanfilter");
hidemask = tag->getBool("hidemask");
- cf.maxlen = tag->getUInt("maxlen", 35, 10, 100);
+ cf.maxlen = tag->getUInt("maxlen", 35, 10, ModeParser::MODE_PARAM_MAX);
notifyuser = tag->getBool("notifyuser", true);
cf.DoRehash();
}
+ void OnUserPart(Membership* memb, std::string& partmessage, CUList& except_list) CXX11_OVERRIDE
+ {
+ if (!memb)
+ return;
+
+ User* user = memb->user;
+ Channel* chan = memb->chan;
+ ChanFilter::ListItem* match = Match(user, chan, partmessage);
+ if (!match)
+ return;
+
+ // Match() checks the user is local, we can assume from here
+ LocalUser* luser = IS_LOCAL(user);
+
+ std::string oldreason(partmessage);
+ partmessage = "Reason filtered";
+ if (!notifyuser)
+ {
+ // Send fake part
+ ClientProtocol::Messages::Part partmsg(memb, oldreason);
+ ClientProtocol::Event ev(ServerInstance->GetRFCEvents().part, partmsg);
+ luser->Send(ev);
+
+ // Don't send the user the changed message
+ except_list.insert(user);
+ return;
+ }
+
+ if (hidemask)
+ user->WriteNumeric(Numerics::CannotSendTo(chan, "Your part message contained a banned phrase and was blocked."));
+ else
+ user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your part message contained a banned phrase (%s) and was blocked.",
+ match->mask.c_str())));
+ }
+
ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE
{
if (target.type != MessageTarget::TYPE_CHANNEL)
return MOD_RES_PASSTHRU;
Channel* chan = target.Get<Channel>();
- ModResult res = CheckExemption::Call(exemptionprov, user, chan, "filter");
-
- if (!IS_LOCAL(user) || res == MOD_RES_ALLOW)
- return MOD_RES_PASSTHRU;
-
- ListModeBase::ModeList* list = cf.GetList(chan);
-
- if (list)
+ ChanFilter::ListItem* match = Match(user, chan, details.text);
+ if (match)
{
- for (ListModeBase::ModeList::iterator i = list->begin(); i != list->end(); i++)
+ if (!notifyuser)
{
- if (InspIRCd::Match(details.text, i->mask))
- {
- if (!notifyuser)
- {
- details.echooriginal = true;
- return MOD_RES_DENY;
- }
-
- if (hidemask)
- user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word)");
- else
- user->WriteNumeric(ERR_CANNOTSENDTOCHAN, chan->name, "Cannot send to channel (your message contained a censored word: " + i->mask + ")");
- return MOD_RES_DENY;
- }
+ details.echo_original = true;
+ return MOD_RES_DENY;
}
- }
+ if (hidemask)
+ user->WriteNumeric(Numerics::CannotSendTo(chan, "Your message to this channel contained a banned phrase and was blocked."));
+ else
+ user->WriteNumeric(Numerics::CannotSendTo(chan, InspIRCd::Format("Your message to this channel contained a banned phrase (%s) and was blocked.",
+ match->mask.c_str())));
+
+ return MOD_RES_DENY;
+ }
return MOD_RES_PASSTHRU;
}
if (cf.maxlen != 35)
maxfilterlen.assign(ConvToStr(cf.maxlen));
- return Version("Provides channel-specific censor lists (like mode +G but varies from channel to channel)", VF_VENDOR, maxfilterlen);
+ return Version("Adds channel mode g (filter) which allows channel operators to define glob patterns for inappropriate phrases that are not allowed to be used in the channel.", VF_VENDOR, maxfilterlen);
}
};
projects / user / henk / code / inspircd.git / blobdiff