src/modules/m_auditorium.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15
  16 /* $ModDesc: Allows for auditorium channels (+u) where nobody can see others joining and parting or the nick list */
  17
  18 class AuditoriumMode : public ModeHandler
  19 {
  20  public:
  21         AuditoriumMode(InspIRCd* Instance) : ModeHandler(Instance, 'u', 0, 0, false, MODETYPE_CHANNEL, false) { }
  22
  23         ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
  24         {
  25                 if (channel->IsModeSet('u') != adding)
  26                 {
  27                         if (IS_LOCAL(source) && (channel->GetStatus(source) < STATUS_OP))
  28                         {
  29                                 source->WriteServ("482 %s %s :Only channel operators may %sset channel mode +u", source->nick, channel->name, adding ? "" : "un");
  30                                 return MODEACTION_DENY;
  31                         }
  32                         else
  33                         {
  34                                 channel->SetMode('u', adding);
  35                                 return MODEACTION_ALLOW;
  36                         }
  37                 }
  38                 else
  39                 {
  40                         return MODEACTION_DENY;
  41                 }
  42         }
  43 };
  44
  45 class ModuleAuditorium : public Module
  46 {
  47  private:
  48         AuditoriumMode* aum;
  49         bool ShowOps;
  50         bool OperOverride;
  51         CUList nl;
  52         CUList except_list;
  53  public:
  54         ModuleAuditorium(InspIRCd* Me)
  55                 : Module(Me)
  56         {
  57                 aum = new AuditoriumMode(ServerInstance);
  58                 if (!ServerInstance->Modes->AddMode(aum))
  59                 {
  60                         delete aum;
  61                         throw ModuleException("Could not add new modes!");
  62                 }
  63
  64                 OnRehash(NULL, "");
  65
  66                 Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnUserList, I_OnRehash };
  67                 Me->Modules->Attach(eventlist, this, 6);
  68
  69         }
  70
  71         virtual ~ModuleAuditorium()
  72         {
  73                 ServerInstance->Modes->DelMode(aum);
  74                 delete aum;
  75         }
  76
  77         void Prioritize()
  78         {
  79                 Module* namesx = ServerInstance->Modules->Find("m_namesx.so");
  80                 ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &namesx);
  81         }
  82
  83         virtual void OnRehash(User* user, const std::string &parameter)
  84         {
  85                 ConfigReader conf(ServerInstance);
  86                 ShowOps = conf.ReadFlag("auditorium", "showops", 0);
  87                 OperOverride = conf.ReadFlag("auditorium", "operoverride", 0);
  88         }
  89
  90         virtual Version GetVersion()
  91         {
  92                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
  93         }
  94
  95         virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
  96         {
  97                 if (Ptr->IsModeSet('u'))
  98                 {
  99                         if (OperOverride)
 100                         {
 101                                 if (IS_OPER(user))
 102                                 {
 103                                         /*
 104                                          * If user is oper and operoverride is on, don't touch the list
 105                                          */
 106                                         return 0;
 107                                 }
 108                         }
 109
 110                         if (ShowOps)
 111                         {
 112                                 /* Leave the names list alone, theyre an op
 113                                  * doing /names on the channel after joining it
 114                                  */
 115                                 if (Ptr->GetStatus(user) >= STATUS_OP)
 116                                 {
 117                                         nameslist = Ptr->GetUsers();
 118                                         return 0;
 119                                 }
 120
 121                                 /* Show all the opped users */
 122                                 nl = *(Ptr->GetOppedUsers());
 123                                 nl[user] = user->nick;
 124                                 nameslist = &nl;
 125                                 return 0;
 126                         }
 127                         else
 128                         {
 129                                 /* HELLOOO, IS ANYBODY THERE? -- nope, just us. */
 130                                 user->WriteServ("353 %s %c %s :%s", user->nick, Ptr->IsModeSet('s') ? '@' : Ptr->IsModeSet('p') ? '*' : '=', Ptr->name, user->nick);
 131                                 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
 132                                 return 1;
 133                         }
 134                 }
 135                 return 0;
 136         }
 137
 138         virtual void OnUserJoin(User* user, Channel* channel, bool sync, bool &silent)
 139         {
 140                 if (channel->IsModeSet('u'))
 141                 {
 142                         silent = true;
 143                         /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
 144                         user->WriteFrom(user, "JOIN %s", channel->name);
 145                         if (ShowOps)
 146                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "JOIN %s", channel->name);
 147                 }
 148         }
 149
 150         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 151         {
 152                 if (channel->IsModeSet('u'))
 153                 {
 154                         silent = true;
 155                         /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
 156                         user->WriteFrom(user, "PART %s%s%s", channel->name,
 157                                         partmessage.empty() ? "" : " :",
 158                                         partmessage.empty() ? "" : partmessage.c_str());
 159                         if (ShowOps)
 160                         {
 161                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "PART %s%s%s", channel->name, partmessage.empty() ? "" : " :",
 162                                                 partmessage.empty() ? "" : partmessage.c_str());
 163                         }
 164                 }
 165         }
 166
 167         void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
 168         {
 169                 if (chan->IsModeSet('u'))
 170                 {
 171                         silent = true;
 172                         /* Send silenced event only to the user being kicked and the user doing the kick */
 173                         source->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 174                         if (ShowOps)
 175                                 chan->WriteAllExcept(source, false, chan->GetStatus(source) >= STATUS_OP ? 0 : '@', except_list, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 176                         else
 177                                 user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 178                 }
 179         }
 180
 181         void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 182         {
 183                 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
 184                 std::vector<std::string> to_leave;
 185                 const char* parameters[2];
 186                 if (parthandler)
 187                 {
 188                         for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
 189                         {
 190                                 if (f->first->IsModeSet('u'))
 191                                         to_leave.push_back(f->first->name);
 192                         }
 193                         /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
 194                         for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
 195                         {
 196                                 parameters[0] = n->c_str();
 197                                 /* This triggers our OnUserPart, above, making the PART silent */
 198                                 parthandler->Handle(parameters, 1, user);
 199                         }
 200                 }
 201         }
 202 };
 203
 204 MODULE_INIT(ModuleAuditorium)