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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013, 2018-2019 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2013, 2015, 2018 Attila Molnar <attilamolnar@hush.com>
*
* 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/account.h"
#include "modules/away.h"
#include "modules/cap.h"
#include "modules/ircv3.h"
class AwayMessage : public ClientProtocol::Message
{
public:
AwayMessage(User* user)
: ClientProtocol::Message("AWAY", user)
{
SetParams(user, user->awaymsg);
}
AwayMessage()
: ClientProtocol::Message("AWAY")
{
}
void SetParams(User* user, const std::string& awaymsg)
{
// Going away: 1 parameter which is the away reason
// Back from away: no parameter
if (!awaymsg.empty())
PushParam(awaymsg);
}
};
class JoinHook : public ClientProtocol::EventHook
{
ClientProtocol::Events::Join extendedjoinmsg;
public:
const std::string asterisk;
ClientProtocol::EventProvider awayprotoev;
AwayMessage awaymsg;
Cap::Capability extendedjoincap;
Cap::Capability awaycap;
JoinHook(Module* mod)
: ClientProtocol::EventHook(mod, "JOIN")
, asterisk(1, '*')
, awayprotoev(mod, "AWAY")
, extendedjoincap(mod, "extended-join")
, awaycap(mod, "away-notify")
{
}
void OnEventInit(const ClientProtocol::Event& ev) CXX11_OVERRIDE
{
const ClientProtocol::Events::Join& join = static_cast<const ClientProtocol::Events::Join&>(ev);
// An extended join has two extra parameters:
// First the account name of the joining user or an asterisk if the user is not logged in.
// The second parameter is the realname of the joining user.
Membership* const memb = join.GetMember();
const std::string* account = &asterisk;
const AccountExtItem* const accountext = GetAccountExtItem();
if (accountext)
{
const std::string* accountname = accountext->get(memb->user);
if (accountname)
account = accountname;
}
extendedjoinmsg.ClearParams();
extendedjoinmsg.SetSource(join);
extendedjoinmsg.PushParamRef(memb->chan->name);
extendedjoinmsg.PushParamRef(*account);
extendedjoinmsg.PushParamRef(memb->user->GetRealName());
awaymsg.ClearParams();
if ((memb->user->IsAway()) && (awaycap.IsActive()))
{
awaymsg.SetSource(join);
awaymsg.SetParams(memb->user, memb->user->awaymsg);
}
}
ModResult OnPreEventSend(LocalUser* user, const ClientProtocol::Event& ev, ClientProtocol::MessageList& messagelist) CXX11_OVERRIDE
{
if (extendedjoincap.get(user))
messagelist.front() = &extendedjoinmsg;
if ((!awaymsg.GetParams().empty()) && (awaycap.get(user)))
messagelist.push_back(&awaymsg);
return MOD_RES_PASSTHRU;
}
};
class ModuleIRCv3
: public Module
, public AccountEventListener
, public Away::EventListener
{
Cap::Capability cap_accountnotify;
JoinHook joinhook;
ClientProtocol::EventProvider accountprotoev;
public:
ModuleIRCv3()
: AccountEventListener(this)
, Away::EventListener(this)
, cap_accountnotify(this, "account-notify")
, joinhook(this)
, accountprotoev(this, "ACCOUNT")
{
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* conf = ServerInstance->Config->ConfValue("ircv3");
cap_accountnotify.SetActive(conf->getBool("accountnotify", true));
joinhook.awaycap.SetActive(conf->getBool("awaynotify", true));
joinhook.extendedjoincap.SetActive(conf->getBool("extendedjoin", true));
}
void OnAccountChange(User* user, const std::string& newaccount) CXX11_OVERRIDE
{
if (!(user->registered & REG_NICKUSER))
return;
// Logged in: 1 parameter which is the account name
// Logged out: 1 parameter which is a "*"
ClientProtocol::Message msg("ACCOUNT", user);
const std::string& param = (newaccount.empty() ? joinhook.asterisk : newaccount);
msg.PushParamRef(param);
ClientProtocol::Event accountevent(accountprotoev, msg);
IRCv3::WriteNeighborsWithCap(user, accountevent, cap_accountnotify);
}
void OnUserAway(User* user) CXX11_OVERRIDE
{
if (!joinhook.awaycap.IsActive())
return;
// Going away: n!u@h AWAY :reason
AwayMessage msg(user);
ClientProtocol::Event awayevent(joinhook.awayprotoev, msg);
IRCv3::WriteNeighborsWithCap(user, awayevent, joinhook.awaycap);
}
void OnUserBack(User* user) CXX11_OVERRIDE
{
if (!joinhook.awaycap.IsActive())
return;
// Back from away: n!u@h AWAY
AwayMessage msg(user);
ClientProtocol::Event awayevent(joinhook.awayprotoev, msg);
IRCv3::WriteNeighborsWithCap(user, awayevent, joinhook.awaycap);
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides the IRCv3 account-notify, away-notify, and extended-join client capabilities.", VF_VENDOR);
}
};
MODULE_INIT(ModuleIRCv3)
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