src/modules/m_blockcaps.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
   6  *                       E-mail:
   7  *                <brain@chatspike.net>
   8  *                <Craig@chatspike.net>
   9  *                <omster@gmail.com>
  10  *
  11  * Written by Craig Edwards, Craig McLure, and others.
  12  * This program is free but copyrighted software; see
  13  *            the file COPYING for details.
  14  *
  15  * ---------------------------------------------------
  16  */
  17
  18 #include "users.h"
  19 #include "channels.h"
  20 #include "modules.h"
  21 #include "inspircd.h"
  22 #include "mode.h"
  23
  24 /* $ModDesc: Provides support for channel mode +P to block all-CAPS channel messages and notices */
  25
  26
  27
  28 class BlockCaps : public ModeHandler
  29 {
  30  public:
  31         BlockCaps(InspIRCd* Instance) : ModeHandler(Instance, 'P', 0, 0, false, MODETYPE_CHANNEL, false) { }
  32
  33         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  34         {
  35                 if (adding)
  36                 {
  37                         if (!channel->IsModeSet('P'))
  38                         {
  39                                 channel->SetMode('P',true);
  40                                 return MODEACTION_ALLOW;
  41                         }
  42                 }
  43                 else
  44                 {
  45                         if (channel->IsModeSet('P'))
  46                         {
  47                                 channel->SetMode('P',false);
  48                                 return MODEACTION_ALLOW;
  49                         }
  50                 }
  51
  52                 return MODEACTION_DENY;
  53         }
  54 };
  55
  56 class ModuleBlockCAPS : public Module
  57 {
  58
  59         BlockCaps* bc;
  60 public:
  61
  62         ModuleBlockCAPS(InspIRCd* Me) : Module::Module(Me)
  63         {
  64
  65                 bc = new BlockCaps(ServerInstance);
  66                 ServerInstance->AddMode(bc, 'P');
  67         }
  68
  69         void Implements(char* List)
  70         {
  71                 List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = 1;
  72         }
  73
  74         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
  75         {
  76                 if (target_type == TYPE_CHANNEL)
  77                 {
  78                         chanrec* c = (chanrec*)dest;
  79
  80                         if (c->IsModeSet('P'))
  81                         {
  82                                 const char* i = text.c_str();
  83                                 for (; *i; i++)
  84                                 {
  85                                         if (((*i != ' ') && (*i != '\t')) && ((*i < 'A') || (*i > 'Z')))
  86                                         {
  87                                                 return 0;
  88                                         }
  89                                 }
  90
  91                                 user->WriteServ( "404 %s %s :Can't send all-CAPS to channel (+P set)", user->nick, c->name);
  92                                 return 1;
  93                         }
  94                 }
  95                 return 0;
  96         }
  97
  98         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
  99         {
 100                 return OnUserPreMessage(user,dest,target_type,text,status);
 101         }
 102
 103         virtual ~ModuleBlockCAPS()
 104         {
 105                 ServerInstance->Modes->DelMode(bc);
 106                 DELETE(bc);
 107         }
 108
 109         virtual Version GetVersion()
 110         {
 111                 return Version(1,0,0,0,VF_COMMON|VF_VENDOR);
 112         }
 113 };
 114
 115
 116 class ModuleBlockCAPSFactory : public ModuleFactory
 117 {
 118  public:
 119         ModuleBlockCAPSFactory()
 120         {
 121         }
 122
 123         ~ModuleBlockCAPSFactory()
 124         {
 125         }
 126
 127         virtual Module * CreateModule(InspIRCd* Me)
 128         {
 129                 return new ModuleBlockCAPS(Me);
 130         }
 131
 132 };
 133
 134
 135 extern "C" void * init_module( void )
 136 {
 137         return new ModuleBlockCAPSFactory;
 138 }