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