src/modules/m_stripcolor.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: Provides channel +S mode (strip ansi colour) */
  17
  18 /** Handles channel mode +S
  19  */
  20 class ChannelStripColor : public SimpleChannelModeHandler
  21 {
  22  public:
  23         ChannelStripColor(InspIRCd* Instance) : SimpleChannelModeHandler(Instance, 'S') { }
  24 };
  25
  26 /** Handles user mode +S
  27  */
  28 class UserStripColor : public SimpleUserModeHandler
  29 {
  30  public:
  31         UserStripColor(InspIRCd* Instance) : SimpleUserModeHandler(Instance, 'S') { }
  32 };
  33
  34
  35 class ModuleStripColor : public Module
  36 {
  37         bool AllowChanOps;
  38         ChannelStripColor *csc;
  39         UserStripColor *usc;
  40
  41  public:
  42         ModuleStripColor(InspIRCd* Me) : Module(Me)
  43         {
  44                 usc = new UserStripColor(ServerInstance);
  45                 csc = new ChannelStripColor(ServerInstance);
  46
  47                 if (!ServerInstance->Modes->AddMode(usc) || !ServerInstance->Modes->AddMode(csc))
  48                         throw ModuleException("Could not add new modes!");
  49                 Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_On005Numeric };
  50                 ServerInstance->Modules->Attach(eventlist, this, 3);
  51         }
  52
  53         virtual ~ModuleStripColor()
  54         {
  55                 ServerInstance->Modes->DelMode(usc);
  56                 ServerInstance->Modes->DelMode(csc);
  57                 delete usc;
  58                 delete csc;
  59         }
  60
  61         virtual void On005Numeric(std::string &output)
  62         {
  63                 ServerInstance->AddExtBanChar('S');
  64         }
  65
  66         virtual void ReplaceLine(std::string &sentence)
  67         {
  68                 /* refactor this completely due to SQUIT bug since the old code would strip last char and replace with \0 --peavey */
  69                 int seq = 0;
  70                 std::string::iterator i,safei;
  71                 for (i = sentence.begin(); i != sentence.end();)
  72                 {
  73                         if ((*i == 3))
  74                                 seq = 1;
  75                         else if (seq && (( ((*i >= '0') && (*i <= '9')) || (*i == ',') ) ))
  76                         {
  77                                 seq++;
  78                                 if ( (seq <= 4) && (*i == ',') )
  79                                         seq = 1;
  80                                 else if (seq > 3)
  81                                         seq = 0;
  82                         }
  83                         else
  84                                 seq = 0;
  85
  86                         if (seq || ((*i == 2) || (*i == 15) || (*i == 22) || (*i == 21) || (*i == 31)))
  87                         {
  88                                 if (i != sentence.begin())
  89                                 {
  90                                         safei = i;
  91                                         --i;
  92                                         sentence.erase(safei);
  93                                         ++i;
  94                                 }
  95                                 else
  96                                 {
  97                                         sentence.erase(i);
  98                                         i = sentence.begin();
  99                                 }
 100                         }
 101                         else
 102                                 ++i;
 103                 }
 104         }
 105
 106         virtual int OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 107         {
 108                 if (!IS_LOCAL(user))
 109                         return 0;
 110
 111                 bool active = false;
 112                 if (target_type == TYPE_USER)
 113                 {
 114                         User* t = (User*)dest;
 115                         active = t->IsModeSet('S');
 116                 }
 117                 else if (target_type == TYPE_CHANNEL)
 118                 {
 119                         Channel* t = (Channel*)dest;
 120
 121                         // check if we allow ops to bypass filtering, if we do, check if they're opped accordingly.
 122                         // note: short circut logic here, don't wreck it. -- w00t
 123                         if (CHANOPS_EXEMPT(ServerInstance, 'S') && t->GetStatus(user) == STATUS_OP)
 124                         {
 125                                 return 0;
 126                         }
 127
 128                         active = t->IsModeSet('S') || t->IsExtBanned(user, 'S');
 129                 }
 130
 131                 if (active)
 132                 {
 133                         this->ReplaceLine(text);
 134                 }
 135
 136                 return 0;
 137         }
 138
 139         virtual int OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
 140         {
 141                 return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
 142         }
 143
 144         virtual Version GetVersion()
 145         {
 146                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 147         }
 148
 149 };
 150
 151 MODULE_INIT(ModuleStripColor)