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) :
  34                 SplitCommand(parent, "OJOIN", 1)
  35         {
  36                 flags_needed = 'o'; Penalty = 0; syntax = "<channel>";
  37                 active = false;
  38         }
  39
  40         CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user)
  41         {
  42                 // Make sure the channel name is allowable.
  43                 if (!ServerInstance->IsChannel(parameters[0]))
  44                 {
  45                         user->WriteNotice("*** Invalid characters in channel name or name too long");
  46                         return CMD_FAILURE;
  47                 }
  48
  49                 active = true;
  50                 // override is false because we want OnUserPreJoin to run
  51                 Channel* channel = Channel::JoinUser(user, parameters[0], false);
  52                 active = false;
  53
  54                 if (channel)
  55                 {
  56                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN to join "+channel->name);
  57
  58                         if (notice)
  59                         {
  60                                 channel = ServerInstance->FindChan(parameters[0]);
  61                                 channel->WriteChannelWithServ(ServerInstance->Config->ServerName, "NOTICE %s :%s joined on official network business.",
  62                                         parameters[0].c_str(), user->nick.c_str());
  63                                 ServerInstance->PI->SendChannelNotice(channel, 0, user->nick + " joined on official network business.");
  64                         }
  65                 }
  66                 else
  67                 {
  68                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used OJOIN in "+parameters[0]);
  69                         // they're already in the channel
  70                         std::vector<std::string> modes;
  71                         modes.push_back(parameters[0]);
  72                         modes.push_back(std::string("+") + npmh->GetModeChar());
  73                         if (op)
  74                         {
  75                                 modes[1].push_back('o');
  76                                 modes.push_back(user->nick);
  77                         }
  78                         modes.push_back(user->nick);
  79                         ServerInstance->Modes->Process(modes, ServerInstance->FakeClient);
  80                 }
  81                 return CMD_SUCCESS;
  82         }
  83 };
  84
  85 /** channel mode +Y
  86  */
  87 class NetworkPrefix : public ModeHandler
  88 {
  89  public:
  90         NetworkPrefix(Module* parent, char NPrefix)
  91                 : ModeHandler(parent, "official-join", 'Y', PARAM_ALWAYS, MODETYPE_CHANNEL)
  92         {
  93                 list = true;
  94                 prefix = NPrefix;
  95                 levelrequired = INT_MAX;
  96                 m_paramtype = TR_NICK;
  97                 prefixrank = NETWORK_VALUE;
  98         }
  99
 100         ModResult AccessCheck(User* source, Channel* channel, std::string &parameter, bool adding)
 101         {
 102                 User* theuser = ServerInstance->FindNick(parameter);
 103                 // remove own privs?
 104                 if (source == theuser && !adding)
 105                         return MOD_RES_ALLOW;
 106
 107                 return MOD_RES_PASSTHRU;
 108         }
 109
 110         ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
 111         {
 112                 return MODEACTION_ALLOW;
 113         }
 114
 115 };
 116
 117 class ModuleOjoin : public Module
 118 {
 119         NetworkPrefix* np;
 120         CommandOjoin mycommand;
 121
 122  public:
 123
 124         ModuleOjoin()
 125                 : np(NULL), mycommand(this)
 126         {
 127         }
 128
 129         void init() CXX11_OVERRIDE
 130         {
 131                 /* Load config stuff */
 132                 OnRehash(NULL);
 133
 134                 std::string npre = ServerInstance->Config->ConfValue("ojoin")->getString("prefix");
 135                 char NPrefix = npre.empty() ? 0 : npre[0];
 136                 if (NPrefix && ServerInstance->Modes->FindPrefix(NPrefix))
 137                         throw ModuleException("Looks like the prefix you picked for m_ojoin is already in use. Pick another.");
 138
 139                 /* Initialise module variables */
 140                 np = new NetworkPrefix(this, NPrefix);
 141                 mycommand.npmh = np;
 142
 143                 ServerInstance->Modules->AddService(*np);
 144                 ServerInstance->Modules->AddService(mycommand);
 145         }
 146
 147         ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
 148         {
 149                 if (mycommand.active)
 150                 {
 151                         privs += np->GetModeChar();
 152                         if (mycommand.op)
 153                                 privs += 'o';
 154                         return MOD_RES_ALLOW;
 155                 }
 156
 157                 return MOD_RES_PASSTHRU;
 158         }
 159
 160         void OnRehash(User* user) CXX11_OVERRIDE
 161         {
 162                 ConfigTag* Conf = ServerInstance->Config->ConfValue("ojoin");
 163                 mycommand.notice = Conf->getBool("notice", true);
 164                 mycommand.op = Conf->getBool("op", true);
 165         }
 166
 167         ModResult OnUserPreKick(User* source, Membership* memb, const std::string &reason) CXX11_OVERRIDE
 168         {
 169                 // Don't do anything if they're not +Y
 170                 if (!memb->hasMode(np->GetModeChar()))
 171                         return MOD_RES_PASSTHRU;
 172
 173                 // Let them do whatever they want to themselves.
 174                 if (source == memb->user)
 175                         return MOD_RES_PASSTHRU;
 176
 177                 source->WriteNumeric(484, source->nick+" "+memb->chan->name+" :Can't kick "+memb->user->nick+" as they're on official network business.");
 178                 return MOD_RES_DENY;
 179         }
 180
 181         ~ModuleOjoin()
 182         {
 183                 delete np;
 184         }
 185
 186         void Prioritize()
 187         {
 188                 ServerInstance->Modules->SetPriority(this, I_OnUserPreJoin, PRIORITY_FIRST);
 189         }
 190
 191         Version GetVersion() CXX11_OVERRIDE
 192         {
 193                 return Version("Network Business Join", VF_VENDOR);
 194         }
 195 };
 196
 197 MODULE_INIT(ModuleOjoin)