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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2008 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/>.
*/
/*
* Originally by Chernov-Phoenix Alexey (Phoenix@RusNet) mailto:phoenix /email address separator/ pravmail.ru
*/
/* $ModDesc: Gives opers cmode +y which provides a staff prefix. */
#include "inspircd.h"
#define OPERPREFIX_VALUE 1000000
std::set<std::string>* SetupExt(User* user)
{
std::set<std::string>* ext;
if (!user->GetExt("m_operprefix",ext))
{
ext=new std::set<std::string>;
ext->clear();
user->Extend("m_operprefix",ext);
}
return ext;
}
void DelPrefixChan(User* user, Channel* channel)
{
std::set<std::string>* chans = SetupExt(user);
chans->erase(channel->name);
}
void AddPrefixChan(User* user, Channel* channel)
{
std::set<std::string>* chans = SetupExt(user);
chans->insert(channel->name);
}
class OperPrefixMode : public ModeHandler
{
public:
OperPrefixMode(InspIRCd* Instance, char pfx) : ModeHandler(Instance, 'y', 1, 1, true, MODETYPE_CHANNEL, false, pfx, pfx, TR_NICK) { }
unsigned int GetPrefixRank()
{
return OPERPREFIX_VALUE;
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool servermode)
{
if (servermode || (source && ServerInstance->ULine(source->server)))
return MODEACTION_ALLOW;
else
{
if (source && channel)
source->WriteNumeric(ERR_CHANOPRIVSNEEDED, "%s %s :Only servers are permitted to change channel mode '%c'", source->nick.c_str(), channel->name.c_str(), 'y');
return MODEACTION_DENY;
}
}
ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
{
User* x = ServerInstance->FindNick(parameter);
if (x)
{
if (!channel->HasUser(x))
{
return std::make_pair(false, parameter);
}
else
{
std::set<std::string>* ext;
if (x->GetExt("m_operprefix",ext))
{
if (ext->find(channel->name)!=ext->end())
{
return std::make_pair(true, x->nick);
}
else
return std::make_pair(false, parameter);
}
else
{
return std::make_pair(false, parameter);
}
}
}
return std::make_pair(false, parameter);
}
bool NeedsOper() { return true; }
};
class ModuleOperPrefixMode : public Module
{
private:
OperPrefixMode* opm;
public:
ModuleOperPrefixMode(InspIRCd* Me) : Module(Me)
{
ConfigReader Conf(ServerInstance);
std::string pfx = Conf.ReadValue("operprefix", "prefix", "!", 0, false);
opm = new OperPrefixMode(ServerInstance, pfx[0]);
if ((!ServerInstance->Modes->AddMode(opm)))
throw ModuleException("Could not add a new mode!");
Implementation eventlist[] = { I_OnPostJoin, I_OnCleanup, I_OnUserQuit, I_OnUserKick, I_OnUserPart, I_OnOper };
ServerInstance->Modules->Attach(eventlist, this, 6);
}
void PushChanMode(Channel* channel, User* user, bool negate = false)
{
if (negate)
DelPrefixChan(user, channel);
else
AddPrefixChan(user, channel);
char modeline[] = "+y";
if (negate)
modeline[0] = '-';
std::vector<std::string> modechange;
modechange.push_back(channel->name);
modechange.push_back(modeline);
modechange.push_back(user->nick);
ServerInstance->SendMode(modechange,this->ServerInstance->FakeClient);
}
virtual void OnPostJoin(User *user, Channel *channel)
{
if (user && IS_OPER(user))
{
if (user->IsModeSet('H'))
{
/* we respect your wish to be invisible */
return;
}
PushChanMode(channel, user);
}
}
// XXX: is there a better way to do this?
virtual int OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt, bool servermode)
{
/* force event propagation to its ModeHandler */
if (!servermode && chan && (mode == 'y'))
return ACR_ALLOW;
return 0;
}
virtual void OnOper(User *user, const std::string&)
{
if (user && !user->IsModeSet('H'))
{
for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
{
PushChanMode(v->first, user);
}
}
}
virtual ~ModuleOperPrefixMode()
{
ServerInstance->Modes->DelMode(opm);
delete opm;
}
void CleanUser(User* user, bool quitting)
{
std::set<std::string>* ext;
if (user->GetExt("m_operprefix",ext))
{
// Don't want to announce -mode when they're quitting anyway..
if (!quitting)
{
for (UCListIter v = user->chans.begin(); v != user->chans.end(); v++)
{
ModePair ms = opm->ModeSet(NULL, NULL , v->first, user->nick);
if (ms.first)
{
PushChanMode(v->first, user, true);
}
}
}
ext->clear();
delete ext;
user->Shrink("m_operprefix");
}
}
virtual void OnCleanup(int target_type, void* item)
{
if (target_type == TYPE_USER)
{
User* user = (User*)item;
CleanUser(user, false);
}
}
virtual void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
CleanUser(user,true);
}
virtual void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
{
DelPrefixChan(user, chan);
}
virtual void OnUserPart(User* user, Channel* channel, std::string &partreason, bool &silent)
{
DelPrefixChan(user, channel);
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleOperPrefixMode)
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