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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2008 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.
*
* ---------------------------------------------------
*/
#define _CRT_SECURE_NO_DEPRECATE
#define _SCL_SECURE_NO_DEPRECATE
#include "inspircd.h"
#include <iostream>
typedef std::map<irc::string,irc::string> censor_t;
/* $ModDesc: Provides user and channel +G mode */
/** Handles usermode +G
*/
class CensorUser : public SimpleUserModeHandler
{
public:
CensorUser(InspIRCd* Instance) : SimpleUserModeHandler(Instance, 'G') { }
};
/** Handles channel mode +G
*/
class CensorChannel : public SimpleChannelModeHandler
{
public:
CensorChannel(InspIRCd* Instance) : SimpleChannelModeHandler(Instance, 'G') { }
};
class ModuleCensor : public Module
{
censor_t censors;
CensorUser *cu;
CensorChannel *cc;
public:
ModuleCensor(InspIRCd* Me)
: Module(Me)
{
/* Read the configuration file on startup.
*/
OnRehash(NULL,"");
cu = new CensorUser(ServerInstance);
cc = new CensorChannel(ServerInstance);
if (!ServerInstance->Modes->AddMode(cu) || !ServerInstance->Modes->AddMode(cc))
{
delete cu;
delete cc;
throw ModuleException("Could not add new modes!");
}
Implementation eventlist[] = { I_OnRehash, I_OnUserPreMessage, I_OnUserPreNotice, I_OnRunTestSuite };
ServerInstance->Modules->Attach(eventlist, this, 4);
}
virtual ~ModuleCensor()
{
ServerInstance->Modes->DelMode(cu);
ServerInstance->Modes->DelMode(cc);
delete cu;
delete cc;
}
virtual void OnRunTestSuite()
{
std::cout << "Test suite for m_censor:" << std::endl;
irc::string text = "original text";
irc::string pattern = "text";
irc::string replace = "new";
std::cout << (ReplaceLine(text, pattern, replace) == "original new" ? "\nSUCCESS!\n" : "\nFAILURE '" + text + "' \n");
text = "original text here";
pattern = "text";
replace = "texts";
std::cout << (ReplaceLine(text, pattern, replace) == "original texts here" ? "\nSUCCESS!\n" : "\nFAILURE: '" + text + "' \n");
text = "original text";
pattern = "original";
replace = "new";
std::cout << (ReplaceLine(text, pattern, replace) == "new text" ? "\nSUCCESS!\n" : "\nFAILURE '" + text + "' \n");
std::cout << "end of test suite for m_censor" << std::endl;
}
/* This version of ReplaceLine won't loop forever if the replacement string contains the source pattern */
virtual const irc::string& ReplaceLine(irc::string &text, irc::string pattern, irc::string replace)
{
irc::string replacement;
if ((!pattern.empty()) && (!text.empty()))
{
for (std::string::size_type n = 0; n != text.length(); ++n)
{
if (text.length() >= pattern.length() && text.substr(n, pattern.length()) == pattern)
{
/* Found the pattern in the text, replace it, and advance */
replacement.append(replace);
n = n + pattern.length() - 1;
}
else
{
replacement += text[n];
}
}
}
text = replacement;
return text;
}
// format of a config entry is <badword text="shit" replace="poo">
virtual int OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if (!IS_LOCAL(user))
return 0;
bool active = false;
if (target_type == TYPE_USER)
active = ((User*)dest)->IsModeSet('G');
else if (target_type == TYPE_CHANNEL)
{
active = ((Channel*)dest)->IsModeSet('G');
Channel* c = (Channel*)dest;
if (CHANOPS_EXEMPT(ServerInstance, 'G') && c->GetStatus(user) == STATUS_OP)
{
return 0;
}
}
if (!active)
return 0;
irc::string text2 = text.c_str();
for (censor_t::iterator index = censors.begin(); index != censors.end(); index++)
{
if (text2.find(index->first) != irc::string::npos)
{
if (index->second.empty())
{
user->WriteNumeric(ERR_WORDFILTERED, "%s %s %s :Your message contained a censored word, and was blocked", user->nick.c_str(), ((Channel*)dest)->name.c_str(), index->first.c_str());
return 1;
}
this->ReplaceLine(text2,index->first,index->second);
}
}
text = text2.c_str();
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);
}
virtual void OnRehash(User* user, const std::string ¶meter)
{
/*
* reload our config file on rehash - we must destroy and re-allocate the classes
* to call the constructor again and re-read our data.
*/
ConfigReader* MyConf = new ConfigReader(ServerInstance);
censors.clear();
for (int index = 0; index < MyConf->Enumerate("badword"); index++)
{
irc::string pattern = (MyConf->ReadValue("badword","text",index)).c_str();
irc::string replace = (MyConf->ReadValue("badword","replace",index)).c_str();
censors[pattern] = replace;
}
delete MyConf;
}
virtual Version GetVersion()
{
return Version("$Id$",VF_COMMON|VF_VENDOR,API_VERSION);
}
};
MODULE_INIT(ModuleCensor)
|
