src/modules/m_ojoin.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2009 Taros <taros34@hotmail.com>
   5  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
   6  *
   7  * This file is part of InspIRCd.  InspIRCd is free software: you can
   8  * redistribute it and/or modify it under the terms of the GNU General Public
   9  * License as published by the Free Software Foundation, version 2.
  10  *
  11  * This program is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  13  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  14  * details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include "inspircd.h"
  21
  22 #define NETWORK_VALUE 9000000
  23
  24 /** Handle /OJOIN
  25  */
  26 class CommandOjoin : public SplitCommand
  27 {
  28  public:
  29         bool active;
  30         bool notice;
  31         bool op;
  32         ModeHandler* npmh;
  33         CommandOjoin(Module* parent, ModeHandler& mode)
  34                 : SplitCommand(parent, "OJOIN", 1)
  35                 , npmh(&mode)
  36         {
  37                 flags_needed = 'o'; syntax = "<channel>";
  38                 active = false;
  39         }
  40
  41         CmdResult HandleLocal(LocalUser* user, const Params& parameters) CXX11_OVERRIDE
  42         {
  43                 // Make sure the channel name is allowable.
  44                 if (!ServerInstance->IsChannel(parameters[0]))
  45                 {
  46                         user->WriteNotice("*** Invalid characters in channel name or name too long");
  47                         return CMD_FAILURE;
  48                 }
  49
  50                 active = true;
  51                 // override is false because we want OnUserPreJoin to run
  52                 Channel* channel = Channel::JoinUser(user, parameters[0], false);
  53                 active = false;
  54
  55                 if (channel)
  56                 {
  57                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN to join "+channel->name);
  58
  59                         if (notice)
  60                         {
  61                                 const std::string msg = user->nick + " joined on official network business.";
  62                                 channel->WriteNotice(msg);
  63                                 ServerInstance->PI->SendChannelNotice(channel, 0, msg);
  64                         }
  65                 }
  66                 else
  67                 {
  68                         channel = ServerInstance->FindChan(parameters[0]);
  69                         if (!channel)
  70                                 return CMD_FAILURE;
  71
  72                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN in "+parameters[0]);
  73                         // they're already in the channel
  74                         Modes::ChangeList changelist;
  75                         changelist.push_add(npmh, user->nick);
  76                         if (op)
  77                                 changelist.push_add(ServerInstance->Modes->FindMode('o', MODETYPE_CHANNEL), user->nick);
  78                         ServerInstance->Modes->Process(ServerInstance->FakeClient, channel, NULL, changelist);
  79                 }
  80                 return CMD_SUCCESS;
  81         }
  82 };
  83
  84 /** channel mode +Y
  85  */
  86 class NetworkPrefix : public PrefixMode
  87 {
  88  public:
  89         NetworkPrefix(Module* parent, char NPrefix)
  90                 : PrefixMode(parent, "official-join", 'Y', NETWORK_VALUE, NPrefix)
  91         {
  92                 ranktoset = ranktounset = UINT_MAX;
  93         }
  94
  95         ModResult AccessCheck(User* source, Channel* channel, std::string &parameter, bool adding) CXX11_OVERRIDE
  96         {
  97                 User* theuser = ServerInstance->FindNick(parameter);
  98                 // remove own privs?
  99                 if (source == theuser && !adding)
 100                         return MOD_RES_ALLOW;
 101
 102                 return MOD_RES_PASSTHRU;
 103         }
 104 };
 105
 106 class ModuleOjoin : public Module
 107 {
 108         NetworkPrefix np;
 109         CommandOjoin mycommand;
 110
 111  public:
 112
 113         ModuleOjoin()
 114                 : np(this, ServerInstance->Config->ConfValue("ojoin")->getString("prefix").c_str()[0])
 115                 , mycommand(this, np)
 116         {
 117         }
 118
 119         ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
 120         {
 121                 if (mycommand.active)
 122                 {
 123                         privs += np.GetModeChar();
 124                         if (mycommand.op)
 125                                 privs += 'o';
 126                         return MOD_RES_ALLOW;
 127                 }
 128
 129                 return MOD_RES_PASSTHRU;
 130         }
 131
 132         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
 133         {
 134                 ConfigTag* Conf = ServerInstance->Config->ConfValue("ojoin");
 135                 mycommand.notice = Conf->getBool("notice", true);
 136                 mycommand.op = Conf->getBool("op", true);
 137         }
 138
 139         ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
 140         {
 141                 // Don't do anything if they're not +Y
 142                 if (!memb->HasMode(&np))
 143                         return MOD_RES_PASSTHRU;
 144
 145                 // Let them do whatever they want to themselves.
 146                 if (source == memb->user)
 147                         return MOD_RES_PASSTHRU;
 148
 149                 source->WriteNumeric(ERR_RESTRICTED, memb->chan->name, "Can't kick "+memb->user->nick+" as they're on official network business.");
 150                 return MOD_RES_DENY;
 151         }
 152
 153         void Prioritize() CXX11_OVERRIDE
 154         {
 155                 ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_FIRST);
 156         }
 157
 158         Version GetVersion() CXX11_OVERRIDE
 159         {
 160                 return Version("Network Business Join", VF_VENDOR);
 161         }
 162 };
 163
 164 MODULE_INIT(ModuleOjoin)