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         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                 {
  59                         delete aum;
  60                         throw ModuleException("Could not add new modes!");
  61                 }
  62
  63                 OnRehash(NULL, "");
  64
  65                 Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnUserList, I_OnRehash };
  66                 Me->Modules->Attach(eventlist, this, 6);
  67
  68         }
  69
  70         virtual ~ModuleAuditorium()
  71         {
  72                 ServerInstance->Modes->DelMode(aum);
  73                 delete aum;
  74         }
  75
  76         void Prioritize()
  77         {
  78                 Module* namesx = ServerInstance->Modules->Find("m_namesx.so");
  79                 ServerInstance->Modules->SetPriority(this, I_OnUserList, PRIO_BEFORE, &namesx);
  80         }
  81
  82         virtual void OnRehash(User* user, const std::string &parameter)
  83         {
  84                 ConfigReader conf(ServerInstance);
  85                 ShowOps = conf.ReadFlag("auditorium", "showops", 0);
  86         }
  87
  88         virtual Version GetVersion()
  89         {
  90                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
  91         }
  92
  93         virtual int OnUserList(User* user, Channel* Ptr, CUList* &nameslist)
  94         {
  95                 if (Ptr->IsModeSet('u'))
  96                 {
  97                         if (ShowOps)
  98                         {
  99                                 /* Leave the names list alone, theyre an op
 100                                  * doing /names on the channel after joining it
 101                                  */
 102                                 if (Ptr->GetStatus(user) >= STATUS_OP)
 103                                 {
 104                                         nameslist = Ptr->GetUsers();
 105                                         return 0;
 106                                 }
 107
 108                                 /* Show all the opped users */
 109                                 nl = *(Ptr->GetOppedUsers());
 110                                 nl[user] = user->nick;
 111                                 nameslist = &nl;
 112                                 return 0;
 113                         }
 114                         else
 115                         {
 116                                 /* HELLOOO, IS ANYBODY THERE? -- nope, just us. */
 117                                 user->WriteServ("353 %s %c %s :%s", user->nick, Ptr->IsModeSet('s') ? '@' : Ptr->IsModeSet('p') ? '*' : '=', Ptr->name, user->nick);
 118                                 user->WriteServ("366 %s %s :End of /NAMES list.", user->nick, Ptr->name);
 119                                 return 1;
 120                         }
 121                 }
 122                 return 0;
 123         }
 124
 125         virtual void OnUserJoin(User* user, Channel* channel, bool sync, bool &silent)
 126         {
 127                 if (channel->IsModeSet('u'))
 128                 {
 129                         silent = true;
 130                         /* Because we silenced the event, make sure it reaches the user whos joining (but only them of course) */
 131                         user->WriteFrom(user, "JOIN %s", channel->name);
 132                         if (ShowOps)
 133                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "JOIN %s", channel->name);
 134                 }
 135         }
 136
 137         void OnUserPart(User* user, Channel* channel, const std::string &partmessage, bool &silent)
 138         {
 139                 if (channel->IsModeSet('u'))
 140                 {
 141                         silent = true;
 142                         /* Because we silenced the event, make sure it reaches the user whos leaving (but only them of course) */
 143                         user->WriteFrom(user, "PART %s%s%s", channel->name,
 144                                         partmessage.empty() ? "" : " :",
 145                                         partmessage.empty() ? "" : partmessage.c_str());
 146                         if (ShowOps)
 147                         {
 148                                 channel->WriteAllExcept(user, false, channel->GetStatus(user) >= STATUS_OP ? 0 : '@', except_list, "PART %s%s%s", channel->name, partmessage.empty() ? "" : " :",
 149                                                 partmessage.empty() ? "" : partmessage.c_str());
 150                         }
 151                 }
 152         }
 153
 154         void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
 155         {
 156                 if (chan->IsModeSet('u'))
 157                 {
 158                         silent = true;
 159                         /* Send silenced event only to the user being kicked and the user doing the kick */
 160                         source->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 161                         if (ShowOps)
 162                                 chan->WriteAllExcept(source, false, chan->GetStatus(source) >= STATUS_OP ? 0 : '@', except_list, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 163                         else
 164                                 user->WriteFrom(source, "KICK %s %s %s", chan->name, user->nick, reason.c_str());
 165                 }
 166         }
 167
 168         void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
 169         {
 170                 Command* parthandler = ServerInstance->Parser->GetHandler("PART");
 171                 std::vector<std::string> to_leave;
 172                 const char* parameters[2];
 173                 if (parthandler)
 174                 {
 175                         for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
 176                         {
 177                                 if (f->first->IsModeSet('u'))
 178                                         to_leave.push_back(f->first->name);
 179                         }
 180                         /* We cant do this neatly in one loop, as we are modifying the map we are iterating */
 181                         for (std::vector<std::string>::iterator n = to_leave.begin(); n != to_leave.end(); n++)
 182                         {
 183                                 parameters[0] = n->c_str();
 184                                 /* This triggers our OnUserPart, above, making the PART silent */
 185                                 parthandler->Handle(parameters, 1, user);
 186                         }
 187                 }
 188         }
 189 };
 190
 191 MODULE_INIT(ModuleAuditorium)