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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 "inspircd.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(User* source, User* dest, Channel* 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(Me)
{
OnRehash(NULL,"");
bc = new BlockCaps(ServerInstance);
if (!ServerInstance->AddMode(bc))
throw ModuleException("Could not add new modes!");
Implementation eventlist[] = { I_OnUserPreMessage, I_OnUserPreNotice, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 3);
}
virtual void OnRehash(User* user, const std::string ¶m)
{
ReadConf();
}
virtual int OnUserPreMessage(User* 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;
Channel* c = (Channel*)dest;
if (c->IsModeSet('P'))
{
int caps = 0;
for (std::string::iterator i = text.begin(); i != text.end(); i++)
caps += capsmap[(unsigned char)*i];
if ( ((caps*100)/(int)text.length()) >= percent )
{
user->WriteServ( "404 %s %s :Your line cannot be more than %d%% capital letters if it is %d or more letters long", user->nick, c->name, percent, minlen);
return 1;
}
}
}
return 0;
}
virtual int OnUserPreNotice(User* 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", "1", 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 < 1 || percent > 100)
{
ServerInstance->Log(DEFAULT, "<blockcaps:percent> out of range, setting to default of 100.");
percent = 100;
}
if (minlen < 1 || minlen > MAXBUF-1)
{
ServerInstance->Log(DEFAULT, "<blockcaps:minlen> out of range, setting to default of 1.");
minlen = 1;
}
}
virtual ~ModuleBlockCAPS()
{
ServerInstance->Modes->DelMode(bc);
delete bc;
}
virtual Version GetVersion()
{
return Version(1,1,0,0,VF_COMMON|VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleBlockCAPS)
|
