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 enum
  27 {
  28         // InspIRCd-specific.
  29         RPL_UNINVITED = 493
  30 };
  31
  32 /** Handle /UNINVITE
  33  */
  34 class CommandUninvite : public Command
  35 {
  36         Invite::API invapi;
  37  public:
  38         CommandUninvite(Module* Creator)
  39                 : Command(Creator, "UNINVITE", 2)
  40                 , invapi(Creator)
  41         {
  42                 syntax = "<nick> <channel>";
  43                 TRANSLATE2(TR_NICK, TR_TEXT);
  44         }
  45
  46         CmdResult Handle(const std::vector<std::string>& parameters, User* user) CXX11_OVERRIDE
  47         {
  48                 User* u;
  49                 if (IS_LOCAL(user))
  50                         u = ServerInstance->FindNickOnly(parameters[0]);
  51                 else
  52                         u = ServerInstance->FindNick(parameters[0]);
  53
  54                 Channel* c = ServerInstance->FindChan(parameters[1]);
  55
  56                 if ((!c) || (!u) || (u->registered != REG_ALL))
  57                 {
  58                         if (!c)
  59                         {
  60                                 user->WriteNumeric(Numerics::NoSuchChannel(parameters[1]));
  61                         }
  62                         else
  63                         {
  64                                 user->WriteNumeric(Numerics::NoSuchNick(parameters[0]));
  65                         }
  66
  67                         return CMD_FAILURE;
  68                 }
  69
  70                 if (IS_LOCAL(user))
  71                 {
  72                         if (c->GetPrefixValue(user) < HALFOP_VALUE)
  73                         {
  74                                 user->WriteNumeric(ERR_CHANOPRIVSNEEDED, c->name, InspIRCd::Format("You must be a channel %soperator", c->GetPrefixValue(u) == HALFOP_VALUE ? "" : "half-"));
  75                                 return CMD_FAILURE;
  76                         }
  77                 }
  78
  79                 /* Servers remember invites only for their local users, so act
  80                  * only if the target is local. Otherwise the command will be
  81                  * passed to the target users server.
  82                  */
  83                 LocalUser* lu = IS_LOCAL(u);
  84                 if (lu)
  85                 {
  86                         // XXX: The source of the numeric we send must be the server of the user doing the /UNINVITE,
  87                         // so they don't see where the target user is connected to
  88                         if (!invapi->Remove(lu, c))
  89                         {
  90                                 Numeric::Numeric n(505);
  91                                 n.SetServer(user->server);
  92                                 n.push(u->nick).push(c->name).push(InspIRCd::Format("Is not invited to channel %s", c->name.c_str()));
  93                                 user->WriteRemoteNumeric(n);
  94                                 return CMD_FAILURE;
  95                         }
  96
  97                         Numeric::Numeric n(494);
  98                         n.SetServer(user->server);
  99                         n.push(c->name).push(u->nick).push("Uninvited");
 100                         user->WriteRemoteNumeric(n);
 101
 102                         lu->WriteNumeric(RPL_UNINVITED, InspIRCd::Format("You were uninvited from %s by %s", c->name.c_str(), user->nick.c_str()));
 103
 104                         std::string msg = "*** " + user->nick + " uninvited " + u->nick + ".";
 105                         c->WriteNotice(msg);
 106                         ServerInstance->PI->SendChannelNotice(c, 0, msg);
 107                 }
 108
 109                 return CMD_SUCCESS;
 110         }
 111
 112         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters) CXX11_OVERRIDE
 113         {
 114                 return ROUTE_OPT_UCAST(parameters[0]);
 115         }
 116 };
 117
 118 class ModuleUninvite : public Module
 119 {
 120         CommandUninvite cmd;
 121
 122  public:
 123
 124         ModuleUninvite() : cmd(this)
 125         {
 126         }
 127
 128         Version GetVersion() CXX11_OVERRIDE
 129         {
 130                 return Version("Provides the UNINVITE command which lets users un-invite other users from channels", VF_VENDOR | VF_OPTCOMMON);
 131         }
 132 };
 133
 134 MODULE_INIT(ModuleUninvite)