src/modules/m_uninvite.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
   5  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
   6  *   Copyright (C) 2006-2007 Craig Edwards <craigedwards@brainbox.cc>
   7  *   Copyright (C) 2006 Robin Burchell <robin+git@viroteck.net>
   8  *
   9  * This file is part of InspIRCd.  InspIRCd is free software: you can
  10  * redistribute it and/or modify it under the terms of the GNU General Public
  11  * License as published by the Free Software Foundation, version 2.
  12  *
  13  * This program is distributed in the hope that it will be useful, but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  15  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #include "inspircd.h"
  24 #include "modules/invite.h"
  25
  26 /** Handle /UNINVITE
  27  */
  28 class CommandUninvite : public Command
  29 {
  30         Invite::API invapi;
  31  public:
  32         CommandUninvite(Module* Creator)
  33                 : Command(Creator, "UNINVITE", 2)
  34                 , invapi(Creator)
  35         {
  36                 syntax = "<nick> <channel>";
  37                 TRANSLATE2(TR_NICK, TR_TEXT);
  38         }
  39
  40         CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
  41         {
  42                 User* u;
  43                 if (IS_LOCAL(user))
  44                         u = ServerInstance->FindNickOnly(parameters[0]);
  45                 else
  46                         u = ServerInstance->FindNick(parameters[0]);
  47
  48                 Channel* c = ServerInstance->FindChan(parameters[1]);
  49
  50                 if ((!c) || (!u) || (u->registered != REG_ALL))
  51                 {
  52                         if (!c)
  53                         {
  54                                 user->WriteNumeric(Numerics::NoSuchNick(parameters[1]));
  55                         }
  56                         else
  57                         {
  58                                 user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
  59                         }
  60
  61                         return CMD_FAILURE;
  62                 }
  63
  64                 if (IS_LOCAL(user))
  65                 {
  66                         if (c->GetPrefixValue(user) < HALFOP_VALUE)
  67                         {
  68                                 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, InspIRCd::Format("You must be a channel %soperator", c->GetPrefixValue(u) == HALFOP_VALUE ? "" : "half-"));
  69                                 return CMD_FAILURE;
  70                         }
  71                 }
  72
  73                 /* Servers remember invites only for their local users, so act
  74                  * only if the target is local. Otherwise the command will be
  75                  * passed to the target users server.
  76                  */
  77                 LocalUser* lu = IS_LOCAL(u);
  78                 if (lu)
  79                 {
  80                         // XXX: The source of the numeric we send must be the server of the user doing the /UNINVITE,
  81                         // so they don't see where the target user is connected to
  82                         if (!invapi->Remove(lu, c))
  83                         {
  84                                 Numeric::Numeric n(505);
  85                                 n.SetServer(user->server);
  86                                 n.push(u->nick).push(c->name).push(InspIRCd::Format("Is not invited to channel %s", c->name.c_str()));
  87                                 user->WriteRemoteNumeric(n);
  88                                 return CMD_FAILURE;
  89                         }
  90
  91                         Numeric::Numeric n(494);
  92                         n.SetServer(user->server);
  93                         n.push(c->name).push(u->nick).push("Uninvited");
  94                         user->WriteRemoteNumeric(n);
  95
  96                         lu->WriteNumeric(493, InspIRCd::Format("You were uninvited from %s by %s", c->name.c_str(), user->nick.c_str()));
  97
  98                         std::string msg = "*** " + user->nick + " uninvited " + u->nick + ".";
  99                         c->WriteNotice(msg);
 100                         ServerInstance->PI->SendChannelNotice(c, 0, msg);
 101                 }
 102
 103                 return CMD_SUCCESS;
 104         }
 105
 106         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) CXX11_OVERRIDE
 107         {
 108                 return ROUTE_OPT_UCAST(parameters[0]);
 109         }
 110 };
 111
 112 class ModuleUninvite : public Module
 113 {
 114         CommandUninvite cmd;
 115
 116  public:
 117
 118         ModuleUninvite() : cmd(this)
 119         {
 120         }
 121
 122         Version GetVersion() CXX11_OVERRIDE
 123         {
 124                 return Version("Provides the UNINVITE command which lets users un-invite other users from channels", VF_VENDOR | VF_OPTCOMMON);
 125         }
 126 };
 127
 128 MODULE_INIT(ModuleUninvite)