2024-06-07 10:37:56 +01:00

149 lines
3.8 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2021 Val Lorentz <progval+git@progval.net>
* Copyright (C) 2019, 2021-2023 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2015-2016 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/>.
*/
#pragma once
namespace Whois
{
class EventListener;
class LineEventListener;
class Context;
}
enum
{
// InspIRCd-specific.
RPL_WHOISCOUNTRY = 344,
RPL_WHOISGATEWAY = 350,
RPL_CHANNELSMSG = 651,
// From ircu.
RPL_WHOISACCOUNT = 330,
// From oftc-hybrid.
RPL_WHOISCERTFP = 276,
// From ircd-hybrid.
RPL_WHOISACTUALLY = 338,
// From RFC 1459.
RPL_WHOISUSER = 311,
RPL_WHOISSERVER = 312,
RPL_WHOISOPERATOR = 313,
RPL_WHOISIDLE = 317,
RPL_ENDOFWHOIS = 318,
RPL_WHOISCHANNELS = 319,
// From UnrealIRCd.
RPL_WHOISREGNICK = 307,
RPL_WHOISHELPOP = 310,
RPL_WHOISSPECIAL = 320,
RPL_WHOISBOT = 335,
RPL_WHOISMODES = 379,
RPL_WHOISSECURE = 671
};
class Whois::EventListener
: public Events::ModuleEventListener
{
public:
EventListener(Module* mod, unsigned int eventprio = DefaultPriority)
: ModuleEventListener(mod, "event/whois", eventprio)
{
}
/** Called whenever a /WHOIS is performed by a local user.
* @param whois Whois context, can be used to send numerics
*/
virtual void OnWhois(Context& whois) = 0;
};
class Whois::LineEventListener
: public Events::ModuleEventListener
{
public:
LineEventListener(Module* mod, unsigned int eventprio = DefaultPriority)
: ModuleEventListener(mod, "event/whoisline", eventprio)
{
}
/** Called whenever a line of WHOIS output is sent to a user.
* You may change the numeric and the text of the output by changing
* the values numeric and text, but you cannot change the user the
* numeric is sent to.
* @param whois Whois context, can be used to send numerics
* @param numeric Numeric being sent
* @return MOD_RES_DENY to drop the line completely so that the user does not
* receive it, or MOD_RES_PASSTHRU to allow the line to be sent.
*/
virtual ModResult OnWhoisLine(Context& whois, Numeric::Numeric& numeric) = 0;
};
class Whois::Context
{
protected:
/** User doing the WHOIS
*/
LocalUser* const source;
/** User being WHOISed
*/
User* const target;
public:
Context(LocalUser* sourceuser, User* targetuser)
: source(sourceuser)
, target(targetuser)
{
}
/** Returns true if the user is /WHOISing himself
* @return True if whois source is the same user as the whois target, false if they are different users
*/
bool IsSelfWhois() const { return (source == target); }
/** Returns the LocalUser who has done the /WHOIS
* @return LocalUser doing the /WHOIS
*/
LocalUser* GetSource() const { return source; }
/** Returns the target of the /WHOIS
* @return User who was /WHOIS'd
*/
User* GetTarget() const { return target; }
/** Send a line of WHOIS data to the source of the WHOIS
*/
template <typename... Param>
void SendLine(unsigned int numeric, Param&&... p)
{
Numeric::Numeric n(numeric);
n.push(target->nick);
n.push(std::forward<Param>(p)...);
SendLine(n);
}
/** Send a line of WHOIS data to the source of the WHOIS
* @param numeric Numeric to send
*/
virtual void SendLine(Numeric::Numeric& numeric) = 0;
};