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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 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"
class AuditoriumMode : public SimpleChannelModeHandler
{
public:
AuditoriumMode(Module* Creator) : SimpleChannelModeHandler(Creator, "auditorium", 'u')
{
levelrequired = OP_VALUE;
}
};
class ModuleAuditorium : public Module
{
CheckExemption::EventProvider exemptionprov;
AuditoriumMode aum;
bool OpsVisible;
bool OpsCanSee;
bool OperCanSee;
public:
ModuleAuditorium()
: exemptionprov(this)
, aum(this)
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("auditorium");
OpsVisible = tag->getBool("opvisible");
OpsCanSee = tag->getBool("opcansee");
OperCanSee = tag->getBool("opercansee", true);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Allows for auditorium channels (+u) where nobody can see others joining and parting or the nick list", VF_VENDOR);
}
/* Can they be seen by everyone? */
bool IsVisible(Membership* memb)
{
if (!memb->chan->IsModeSet(&aum))
return true;
ModResult res = CheckExemption::Call(exemptionprov, memb->user, memb->chan, "auditorium-vis");
return res.check(OpsVisible && memb->getRank() >= OP_VALUE);
}
/* Can they see this specific membership? */
bool CanSee(User* issuer, Membership* memb)
{
// If user is oper and operoverride is on, don't touch the list
if (OperCanSee && issuer->HasPrivPermission("channels/auspex"))
return true;
// You can always see yourself
if (issuer == memb->user)
return true;
// Can you see the list by permission?
ModResult res = CheckExemption::Call(exemptionprov, issuer, memb->chan, "auditorium-see");
if (res.check(OpsCanSee && memb->chan->GetPrefixValue(issuer) >= OP_VALUE))
return true;
return false;
}
ModResult OnNamesListItem(User* issuer, Membership* memb, std::string& prefixes, std::string& nick) CXX11_OVERRIDE
{
if (IsVisible(memb))
return MOD_RES_PASSTHRU;
if (CanSee(issuer, memb))
return MOD_RES_PASSTHRU;
// Don't display this user in the NAMES list
return MOD_RES_DENY;
}
/** Build CUList for showing this join/part/kick */
void BuildExcept(Membership* memb, CUList& excepts)
{
if (IsVisible(memb))
return;
const Channel::MemberMap& users = memb->chan->GetUsers();
for (Channel::MemberMap::const_iterator i = users.begin(); i != users.end(); ++i)
{
if (IS_LOCAL(i->first) && !CanSee(i->first, memb))
excepts.insert(i->first);
}
}
void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts) CXX11_OVERRIDE
{
BuildExcept(memb, excepts);
}
void OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts) CXX11_OVERRIDE
{
BuildExcept(memb, excepts);
}
void OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts) CXX11_OVERRIDE
{
BuildExcept(memb, excepts);
}
void OnBuildNeighborList(User* source, IncludeChanList& include, std::map<User*, bool>& exception) CXX11_OVERRIDE
{
for (IncludeChanList::iterator i = include.begin(); i != include.end(); )
{
Membership* memb = *i;
if (IsVisible(memb))
{
++i;
continue;
}
// this channel should not be considered when listing my neighbors
i = include.erase(i);
// however, that might hide me from ops that can see me...
const Channel::MemberMap& users = memb->chan->GetUsers();
for(Channel::MemberMap::const_iterator j = users.begin(); j != users.end(); ++j)
{
if (IS_LOCAL(j->first) && CanSee(j->first, memb))
exception[j->first] = true;
}
}
}
ModResult OnSendWhoLine(User* source, const std::vector<std::string>& params, User* user, Membership* memb, Numeric::Numeric& numeric) CXX11_OVERRIDE
{
if (!memb)
return MOD_RES_PASSTHRU;
if (IsVisible(memb))
return MOD_RES_PASSTHRU;
if (CanSee(source, memb))
return MOD_RES_PASSTHRU;
return MOD_RES_DENY;
}
};
MODULE_INIT(ModuleAuditorium)
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