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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007-2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2008 Thomas Stagner <aquanight@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"
#include "core_channel.h"
#include "invite.h"
CommandInvite::CommandInvite(Module* parent, Invite::APIImpl& invapiimpl)
: Command(parent, "INVITE", 0, 0)
, invapi(invapiimpl)
{
Penalty = 4;
syntax = "[<nick> <channel>]";
}
/** Handle /INVITE
*/
CmdResult CommandInvite::Handle(User* user, const Params& parameters)
{
ModResult MOD_RESULT;
if (parameters.size() >= 2)
{
User* u;
if (IS_LOCAL(user))
u = ServerInstance->FindNickOnly(parameters[0]);
else
u = ServerInstance->FindNick(parameters[0]);
Channel* c = ServerInstance->FindChan(parameters[1]);
time_t timeout = 0;
if (parameters.size() >= 3)
{
if (IS_LOCAL(user))
timeout = ServerInstance->Time() + InspIRCd::Duration(parameters[2]);
else if (parameters.size() > 3)
timeout = ConvToNum<time_t>(parameters[3]);
}
if (!c)
{
user->WriteNumeric(Numerics::NoSuchChannel(parameters[1]));
return CMD_FAILURE;
}
if ((!u) || (u->registered != REG_ALL))
{
user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
return CMD_FAILURE;
}
// Verify channel timestamp if the INVITE is coming from a remote server
if (!IS_LOCAL(user))
{
// Remote INVITE commands must carry a channel timestamp
if (parameters.size() < 3)
return CMD_INVALID;
// Drop the invite if our channel TS is lower
time_t RemoteTS = ConvToNum<time_t>(parameters[2]);
if (c->age < RemoteTS)
return CMD_FAILURE;
}
if ((IS_LOCAL(user)) && (!c->HasUser(user)))
{
user->WriteNumeric(ERR_NOTONCHANNEL, c->name, "You're not on that channel!");
return CMD_FAILURE;
}
if (c->HasUser(u))
{
user->WriteNumeric(ERR_USERONCHANNEL, u->nick, c->name, "is already on channel");
return CMD_FAILURE;
}
FIRST_MOD_RESULT(OnUserPreInvite, MOD_RESULT, (user,u,c,timeout));
if (MOD_RESULT == MOD_RES_DENY)
{
return CMD_FAILURE;
}
else if (MOD_RESULT == MOD_RES_PASSTHRU)
{
if (IS_LOCAL(user))
{
unsigned int rank = c->GetPrefixValue(user);
if (rank < HALFOP_VALUE)
{
// Check whether halfop mode is available and phrase error message accordingly
ModeHandler* mh = ServerInstance->Modes->FindMode('h', MODETYPE_CHANNEL);
user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, InspIRCd::Format("You must be a channel %soperator",
(mh && mh->name == "halfop" ? "half-" : "")));
return CMD_FAILURE;
}
}
}
LocalUser* const localtargetuser = IS_LOCAL(u);
if (localtargetuser)
{
invapi.Create(localtargetuser, c, timeout);
ClientProtocol::Messages::Invite invitemsg(user, localtargetuser, c);
localtargetuser->Send(ServerInstance->GetRFCEvents().invite, invitemsg);
}
if (IS_LOCAL(user))
{
user->WriteNumeric(RPL_INVITING, u->nick, c->name);
if (u->IsAway())
user->WriteNumeric(RPL_AWAY, u->nick, u->awaymsg);
}
char prefix = 0;
unsigned int minrank = 0;
switch (announceinvites)
{
case Invite::ANNOUNCE_OPS:
{
prefix = '@';
minrank = OP_VALUE;
break;
}
case Invite::ANNOUNCE_DYNAMIC:
{
PrefixMode* mh = ServerInstance->Modes->FindPrefixMode('h');
if ((mh) && (mh->name == "halfop"))
{
prefix = mh->GetPrefix();
minrank = mh->GetPrefixRank();
}
break;
}
default:
{
}
}
CUList excepts;
FOREACH_MOD(OnUserInvite, (user, u, c, timeout, minrank, excepts));
if (announceinvites != Invite::ANNOUNCE_NONE)
{
excepts.insert(user);
ClientProtocol::Messages::Privmsg privmsg(ServerInstance->FakeClient, c, InspIRCd::Format("*** %s invited %s into the channel", user->nick.c_str(), u->nick.c_str()), MSG_NOTICE);
c->Write(ServerInstance->GetRFCEvents().privmsg, privmsg, prefix, excepts);
}
}
else if (IS_LOCAL(user))
{
// pinched from ircu - invite with not enough parameters shows channels
// youve been invited to but haven't joined yet.
const Invite::List* list = invapi.GetList(IS_LOCAL(user));
if (list)
{
for (Invite::List::const_iterator i = list->begin(); i != list->end(); ++i)
user->WriteNumeric(RPL_INVITELIST, (*i)->chan->name);
}
user->WriteNumeric(RPL_ENDOFINVITELIST, "End of INVITE list");
}
return CMD_SUCCESS;
}
RouteDescriptor CommandInvite::GetRouting(User* user, const Params& parameters)
{
return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST);
}
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