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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 InspIRCd Development Team
* See: http://www.inspircd.org/wiki/index.php/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "inspircd.h"
#include "mode.h"
/* $ModDesc: Provides support for channel mode +P to block all-CAPS channel messages and notices */
/** Handles the +P channel mode
*/
class BlockCaps : public ModeHandler
{
public:
BlockCaps(InspIRCd* Instance) : ModeHandler(Instance, 'P', 0, 0, false, MODETYPE_CHANNEL, false) { }
ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if (!channel->IsModeSet('P'))
{
channel->SetMode('P',true);
return MODEACTION_ALLOW;
}
}
else
{
if (channel->IsModeSet('P'))
{
channel->SetMode('P',false);
return MODEACTION_ALLOW;
}
}
return MODEACTION_DENY;
}
};
class ModuleBlockCAPS : public Module
{
BlockCaps* bc;
int percent;
unsigned int minlen;
char capsmap[256];
public:
ModuleBlockCAPS(InspIRCd* Me) : Module::Module(Me)
{
OnRehash(NULL,"");
bc = new BlockCaps(ServerInstance);
if (!ServerInstance->AddMode(bc, 'P'))
throw ModuleException("Could not add new modes!");
}
void Implements(char* List)
{
List[I_OnUserPreMessage] = List[I_OnUserPreNotice] = List[I_OnRehash] = 1;
}
virtual void OnRehash(userrec* user, const std::string ¶m)
{
ReadConf();
}
virtual int OnUserPreMessage(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (target_type == TYPE_CHANNEL)
{
if ((!IS_LOCAL(user)) || (text.length() < minlen))
return 0;
chanrec* c = (chanrec*)dest;
if (c->IsModeSet('P'))
{
int caps = 0;
for (std::string::iterator i = text.begin(); i != text.end(); i++)
{
//if ( (*i >= 'A') && (*i <= 'Z'))
if (capsmap[(unsigned char)*i])
caps++;
}
ServerInstance->Log(DEBUG, "<******> Percent caps: " + ConvToStr( ((caps*100)/(int)text.length()) ) + "% >= " + ConvToStr(percent) + "%");
if ( ((caps*100)/(int)text.length()) >= percent )
{
user->WriteServ( "404 %s %s :Can't send all-CAPS to channel (+P set)", user->nick, c->name);
return 1;
}
}
}
return 0;
}
virtual int OnUserPreNotice(userrec* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreMessage(user,dest,target_type,text,status,exempt_list);
}
void ReadConf()
{
ConfigReader Conf(ServerInstance);
percent = Conf.ReadInteger("blockcaps", "percent", "100", 0, true);
minlen = Conf.ReadInteger("blockcaps", "minlen", "0", 0, true);
std::string hmap = Conf.ReadValue("blockcaps", "capsmap", 0);
if (hmap.empty())
hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
memset(&capsmap, 0, 255);
for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
capsmap[(unsigned char)*n] = 1;
if (percent < 0 || percent > 100)
{
ServerInstance->Log(DEFAULT, "<blockcaps:percent> out of range, setting to default of 100.");
percent = 100;
}
if (minlen < 0 || minlen > MAXBUF-1)
{
ServerInstance->Log(DEFAULT, "<blockcaps:minlen> out of range, setting to default of 0.");
minlen = 0;
}
}
virtual ~ModuleBlockCAPS()
{
ServerInstance->Modes->DelMode(bc);
DELETE(bc);
}
virtual Version GetVersion()
{
return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
}
};
class ModuleBlockCAPSFactory : public ModuleFactory
{
public:
ModuleBlockCAPSFactory()
{
}
~ModuleBlockCAPSFactory()
{
}
virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleBlockCAPS(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleBlockCAPSFactory;
}
|
