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 /** Handles the +P channel mode
  28  */
  29 class BlockCaps : public ModeHandler
  30 {
  31  public:
  32         BlockCaps(InspIRCd* Instance) : ModeHandler(Instance, 'P', 0, 0, false, MODETYPE_CHANNEL, false) { }
  33
  34         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  35         {
  36                 if (adding)
  37                 {
  38                         if (!channel->IsModeSet('P'))
  39                         {
  40                                 channel->SetMode('P',true);
  41                                 return MODEACTION_ALLOW;
  42                         }
  43                 }
  44                 else
  45                 {
  46                         if (channel->IsModeSet('P'))
  47                         {
  48                                 channel->SetMode('P',false);
  49                                 return MODEACTION_ALLOW;
  50                         }
  51                 }
  52
  53                 return MODEACTION_DENY;
  54         }
  55 };
  56
  57 class ModuleBlockCAPS : public Module
  58 {
  59
  60         BlockCaps* bc;
  61 public:
  62
  63         ModuleBlockCAPS(InspIRCd* Me) : Module::Module(Me)
  64         {
  65
  66                 bc = new BlockCaps(ServerInstance);
  67                 ServerInstance->AddMode(bc, 'P');
  68         }
  69
  70         void Implements(char* List)
  71         {
  72                 List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = 1;
  73         }
  74
  75         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status)
  76         {
  77                 if (target_type == TYPE_CHANNEL)
  78                 {
  79                         chanrec* c = (chanrec*)dest;
  80
  81                         if (c->IsModeSet('P'))
  82                         {
  83                                 const char* i = text.c_str();
  84                                 for (; *i; i++)
  85                                 {
  86                                         if (((*i != ' ') && (*i != '\t')) && ((*i < 'A') || (*i > 'Z')))
  87                                         {
  88                                                 return 0;
  89                                         }
  90                                 }
  91
  92                                 user->WriteServ( "404 %s %s :Can't send all-CAPS to channel (+P set)", user->nick, c->name);
  93                                 return 1;
  94                         }
  95                 }
  96                 return 0;
  97         }
  98
  99         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status)
 100         {
 101                 return OnUserPreMessage(user,dest,target_type,text,status);
 102         }
 103
 104         virtual ~ModuleBlockCAPS()
 105         {
 106                 ServerInstance->Modes->DelMode(bc);
 107                 DELETE(bc);
 108         }
 109
 110         virtual Version GetVersion()
 111         {
 112                 return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
 113         }
 114 };
 115
 116
 117 class ModuleBlockCAPSFactory : public ModuleFactory
 118 {
 119  public:
 120         ModuleBlockCAPSFactory()
 121         {
 122         }
 123
 124         ~ModuleBlockCAPSFactory()
 125         {
 126         }
 127
 128         virtual Module * CreateModule(InspIRCd* Me)
 129         {
 130                 return new ModuleBlockCAPS(Me);
 131         }
 132
 133 };
 134
 135
 136 extern "C" void * init_module( void )
 137 {
 138         return new ModuleBlockCAPSFactory;
 139 }