src/modules/m_blockcolor.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 <stdio.h>
  15 #include <sstream>
  16 #include "users.h"
  17 #include "channels.h"
  18 #include "modules.h"
  19 #include "inspircd.h"
  20
  21 /* $ModDesc: Provides support for unreal-style channel mode +c */
  22
  23 /** Handles the +c channel mode
  24  */
  25 class BlockColor : public ModeHandler
  26 {
  27  public:
  28         BlockColor(InspIRCd* Instance) : ModeHandler(Instance, 'c', 0, 0, false, MODETYPE_CHANNEL, false) { }
  29
  30         ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string &parameter, bool adding)
  31         {
  32                 if (adding)
  33                 {
  34                         if (!channel->IsModeSet('c'))
  35                         {
  36                                 channel->SetMode('c',true);
  37                                 return MODEACTION_ALLOW;
  38                         }
  39                 }
  40                 else
  41                 {
  42                         if (channel->IsModeSet('c'))
  43                         {
  44                                 channel->SetMode('c',false);
  45                                 return MODEACTION_ALLOW;
  46                         }
  47                 }
  48
  49                 return MODEACTION_DENY;
  50         }
  51 };
  52
  53 class ModuleBlockColour : public Module
  54 {
  55         bool AllowChanOps;
  56         BlockColor *bc;
  57  public:
  58
  59         ModuleBlockColour(InspIRCd* Me) : Module::Module(Me)
  60         {
  61                 bc = new BlockColor(ServerInstance);
  62                 if (!ServerInstance->AddMode(bc, 'c'))
  63                         throw ModuleException("Could not add new modes!");
  64
  65                 OnRehash(NULL, "");
  66         }
  67
  68         void Implements(char* List)
  69         {
  70                 List[I_OnRehash] = List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = 1;
  71         }
  72
  73
  74         virtual void OnRehash(userrec* user, const std::string &parameter)
  75         {
  76                 ConfigReader Conf(ServerInstance);
  77
  78                 AllowChanOps = Conf.ReadFlag("blockcolor", "allowchanops", 0);
  79         }
  80
  81         virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
  82         {
  83                 if ((target_type == TYPE_CHANNEL) && (IS_LOCAL(user)))
  84                 {
  85                         chanrec* c = (chanrec*)dest;
  86
  87                         if(c->IsModeSet('c'))
  88                         {
  89                                 if (!AllowChanOps || AllowChanOps && c->GetStatus(user) != STATUS_OP)
  90                                 {
  91                                         for (std::string::iterator i = text.begin(); i != text.end(); i++)
  92                                         {
  93                                                 switch (*i)
  94                                                 {
  95                                                         case 2:
  96                                                         case 3:
  97                                                         case 15:
  98                                                         case 21:
  99                                                         case 22:
 100                                                         case 31:
 101                                                                 user->WriteServ("404 %s %s :Can't send colours to channel (+c set)",user->nick, c->name);
 102                                                                 return 1;
 103                                                         break;
 104                                                 }
 105                                         }
 106                                 }
 107                         }
 108                 }
 109                 return 0;
 110         }
 111
 112         virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 113         {
 114                 return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
 115         }
 116
 117         virtual ~ModuleBlockColour()
 118         {
 119                 ServerInstance->Modes->DelMode(bc);
 120                 DELETE(bc);
 121         }
 122
 123         virtual Version GetVersion()
 124         {
 125                 return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
 126         }
 127 };
 128
 129
 130 class ModuleBlockColourFactory : public ModuleFactory
 131 {
 132  public:
 133         ModuleBlockColourFactory()
 134         {
 135         }
 136
 137         ~ModuleBlockColourFactory()
 138         {
 139         }
 140
 141         virtual Module * CreateModule(InspIRCd* Me)
 142         {
 143                 return new ModuleBlockColour(Me);
 144         }
 145
 146 };
 147
 148
 149 extern "C" void * init_module( void )
 150 {
 151         return new ModuleBlockColourFactory;
 152 }