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