src/modules/m_auditorium.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 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         CUList nl;
  51         CUList except_list;
  52  public:
  53         ModuleAuditorium(InspIRCd* Me)
  54                 : Module(Me)
  55         {
  56                 aum = new AuditoriumMode(ServerInstance);
  57                 if (!ServerInstance->AddMode(aum))
  58                         throw ModuleException("Could not add new modes!");
  59
  60                 OnRehash(NULL, "");
  61
  62                 Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnUserList, I_OnRehash };
  63                 Me->Modules->Attach(eventlist, this, 6);
  64         }
  65
  66         virtual ~ModuleAuditorium()
  67         {
  68                 ServerInstance->Modes->DelMode(aum);
  69                 DELETE(aum);
  70         }
  71
  72         void Prioritize()
  73         {
  74                 Module* namesx = ServerInstance->Modules->Find("m_namesx.so");
  75                 ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &namesx);
  76         }
  77
  78         virtual void OnRehash(User* user, const std::string &parameter)
  79         {
  80                 ConfigReader conf(ServerInstance);
  81                 ShowOps = conf.ReadFlag("auditorium", "showops", 0);
  82         }
  83
  84         virtual Version GetVersion()
  85         {
  86                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
  87         }
  88
  89         virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
  90         {
  91                 if (Ptr->IsModeSet('u'))
  92                 {
  93                         if (ShowOps)
  94                         {
  95                                 /* Leave the names list alone, theyre an op
  96                                  * doing /names on the channel after joining it
  97                                  */
  98                                 if (Ptr->GetStatus(user) >= STATUS_OP)
  99                                 {
 100                                         nameslist = Ptr->GetUsers();
 101                                         return 0;
 102                                 }
 103
 104                                 /* Show all the opped users */
 105                                 nl = *(Ptr->GetOppedUsers());
 106                                 nl[user] = user->nick;
 107                                 nameslist = &nl;
 108                                 return 0;
 109                         }
 110                         else
 111                         {
 112                                 /* HELLOOO, IS ANYBODY THERE? -- nope, just us. */
 113                                 user->WriteServ("353 %s %c %s :%s", user->nick, Ptr->IsModeSet('s') ? '@' : Ptr->IsModeSet('p') ? '*' : '=', Ptr->name, user->nick);
 114                                 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
 115                                 return 1;
 116                         }
 117                 }
 118                 return 0;
 119         }
 120
 121         virtual void OnUserJoin(User* user, Channel* channel, bool &silent)
 122         {
 123                 if (channel->IsModeSet('u'))
 124                 {
 125                         silent = true;
 126                         /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
 127                         user->WriteFrom(user, "JOIN %s", channel->name);
 128                         if (ShowOps)
 129                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "JOIN %s", channel->name);
 130                 }
 131         }
 132
 133         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 134         {
 135                 if (channel->IsModeSet('u'))
 136                 {
 137                         silent = true;
 138                         /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
 139                         user->WriteFrom(user, "PART %s%s%s", channel->name,
 140                                         partmessage.empty() ? "" : " :",
 141                                         partmessage.empty() ? "" : partmessage.c_str());
 142                         if (ShowOps)
 143                         {
 144                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "PART %s%s%s", channel->name, partmessage.empty() ? "" : " :",
 145                                                 partmessage.empty() ? "" : partmessage.c_str());
 146                         }
 147                 }
 148         }
 149
 150         void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
 151         {
 152                 if (chan->IsModeSet('u'))
 153                 {
 154                         silent = true;
 155                         /* Send silenced event only to the user being kicked and the user doing the kick */
 156                         source->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 157                         if (ShowOps)
 158                                 chan->WriteAllExcept(source, false, chan->GetStatus(source) >= STATUS_OP ? 0 : '@', except_list, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 159                         else
 160                                 user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 161                 }
 162         }
 163
 164         void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 165         {
 166                 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
 167                 std::vector<std::string> to_leave;
 168                 const char* parameters[2];
 169                 if (parthandler)
 170                 {
 171                         for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
 172                         {
 173                                 if (f->first->IsModeSet('u'))
 174                                         to_leave.push_back(f->first->name);
 175                         }
 176                         /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
 177                         for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
 178                         {
 179                                 parameters[0] = n->c_str();
 180                                 /* This triggers our OnUserPart, above, making the PART silent */
 181                                 parthandler->Handle(parameters, 1, user);
 182                         }
 183                 }
 184         }
 185 };
 186
 187 MODULE_INIT(ModuleAuditorium)