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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2006, 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2006-2007 Dennis Friis <peavey@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
* 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"
/* $ModDesc: Provides usermode +d to block channel messages and channel notices */
/** User mode +d - filter out channel messages and channel notices
*/
class User_d : public ModeHandler
{
public:
User_d(Module* Creator) : ModeHandler(Creator, "deaf", 'd', PARAM_NONE, MODETYPE_USER) { }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!dest->IsModeSet('d'))
{
dest->WriteServ("NOTICE %s :*** You have enabled usermode +d, deaf mode. This mode means you WILL NOT receive any messages from any channels you are in. If you did NOT mean to do this, use /mode %s -d.", dest->nick.c_str(), dest->nick.c_str());
dest->SetMode('d',true);
return MODEACTION_ALLOW;
}
}
else
{
if (dest->IsModeSet('d'))
{
dest->SetMode('d',false);
return MODEACTION_ALLOW;
}
}
return MODEACTION_DENY;
}
};
class ModuleDeaf : public Module
{
User_d m1;
std::string deaf_bypasschars;
std::string deaf_bypasschars_uline;
public:
ModuleDeaf()
: m1(this)
{
if (!ServerInstance->Modes->AddMode(&m1))
throw ModuleException("Could not add new modes!");
OnRehash(NULL);
Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 3);
}
virtual void OnRehash(User* user)
{
ConfigTag* tag = ServerInstance->Config->ConfValue("deaf");
deaf_bypasschars = tag->getString("bypasschars");
deaf_bypasschars_uline = tag->getString("bypasscharsuline");
}
virtual ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
{
Channel* chan = (Channel*)dest;
if (chan)
this->BuildDeafList(MSG_NOTICE, chan, user, status, text, exempt_list);
}
return MOD_RES_PASSTHRU;
}
virtual ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
{
Channel* chan = (Channel*)dest;
if (chan)
this->BuildDeafList(MSG_PRIVMSG, chan, user, status, text, exempt_list);
}
return MOD_RES_PASSTHRU;
}
virtual void BuildDeafList(MessageType message_type, Channel* chan, User* sender, char status, const std::string &text, CUList &exempt_list)
{
const UserMembList *ulist = chan->GetUsers();
bool is_a_uline;
bool is_bypasschar, is_bypasschar_avail;
bool is_bypasschar_uline, is_bypasschar_uline_avail;
is_bypasschar = is_bypasschar_avail = is_bypasschar_uline = is_bypasschar_uline_avail = 0;
if (!deaf_bypasschars.empty())
{
is_bypasschar_avail = 1;
if (deaf_bypasschars.find(text[0], 0) != std::string::npos)
is_bypasschar = 1;
}
if (!deaf_bypasschars_uline.empty())
{
is_bypasschar_uline_avail = 1;
if (deaf_bypasschars_uline.find(text[0], 0) != std::string::npos)
is_bypasschar_uline = 1;
}
/*
* If we have no bypasschars_uline in config, and this is a bypasschar (regular)
* Than it is obviously going to get through +d, no build required
*/
if (!is_bypasschar_uline_avail && is_bypasschar)
return;
for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
{
/* not +d ? */
if (!i->first->IsModeSet('d'))
continue; /* deliver message */
/* matched both U-line only and regular bypasses */
if (is_bypasschar && is_bypasschar_uline)
continue; /* deliver message */
is_a_uline = ServerInstance->ULine(i->first->server);
/* matched a U-line only bypass */
if (is_bypasschar_uline && is_a_uline)
continue; /* deliver message */
/* matched a regular bypass */
if (is_bypasschar && !is_a_uline)
continue; /* deliver message */
if (status && !strchr(chan->GetAllPrefixChars(i->first), status))
continue;
/* don't deliver message! */
exempt_list.insert(i->first);
}
}
virtual ~ModuleDeaf()
{
}
virtual Version GetVersion()
{
return Version("Provides usermode +d to block channel messages and channel notices", VF_VENDOR);
}
};
MODULE_INIT(ModuleDeaf)
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