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|
/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2009 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
/* $ModDesc: Provides channel mode +J (delay rejoin after kick) */
inline int strtoint(const std::string &str)
{
std::istringstream ss(str);
int result;
ss >> result;
return result;
}
typedef std::map<User*, time_t> delaylist;
/** Handles channel mode +J
*/
class KickRejoin : public ModeHandler
{
public:
KickRejoin(InspIRCd* Instance) : ModeHandler(Instance, 'J', 1, 0, false, MODETYPE_CHANNEL, false) { }
ModePair ModeSet(User* source, User* dest, Channel* channel, const std::string ¶meter)
{
if (channel->IsModeSet('J'))
return std::make_pair(true, channel->GetModeParameter('J'));
else
return std::make_pair(false, parameter);
}
bool CheckTimeStamp(time_t theirs, time_t ours, const std::string &their_param, const std::string &our_param, Channel* channel)
{
/* When TS is equal, the alphabetically later one wins */
return (their_param < our_param);
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, bool)
{
if (!adding)
{
// Taking the mode off, we need to clean up.
delaylist* dl;
if (channel->GetExt("norejoinusers", dl))
{
delete dl;
channel->Shrink("norejoinusers");
}
if (!channel->IsModeSet('J'))
{
return MODEACTION_DENY;
}
else
{
channel->SetMode('J', false);
return MODEACTION_ALLOW;
}
}
else if (atoi(parameter.c_str()) > 0)
{
if (!channel->IsModeSet('J'))
{
parameter = ConvToStr(atoi(parameter.c_str()));
channel->SetModeParam('J', parameter.c_str(), adding);
channel->SetMode('J', adding);
return MODEACTION_ALLOW;
}
else
{
std::string cur_param = channel->GetModeParameter('J');
if (cur_param == parameter)
{
// mode params match, don't change mode
return MODEACTION_DENY;
}
else
{
// new mode param, replace old with new
parameter = ConvToStr(atoi(parameter.c_str()));
cur_param = ConvToStr(atoi(cur_param.c_str()));
if (parameter != "0")
{
channel->SetModeParam('J', cur_param.c_str(), false);
channel->SetModeParam('J', parameter.c_str(), adding);
return MODEACTION_ALLOW;
}
else
{
/* Fix to jamie's fix, dont allow +J 0 on the new value! */
return MODEACTION_DENY;
}
}
}
}
else
{
return MODEACTION_DENY;
}
}
};
class ModuleKickNoRejoin : public Module
{
KickRejoin* kr;
public:
ModuleKickNoRejoin(InspIRCd* Me)
: Module(Me)
{
kr = new KickRejoin(ServerInstance);
if (!ServerInstance->Modes->AddMode(kr))
throw ModuleException("Could not add new modes!");
Implementation eventlist[] = { I_OnCleanup, I_OnChannelDelete, I_OnUserPreJoin, I_OnUserKick };
ServerInstance->Modules->Attach(eventlist, this, 4);
}
virtual int OnUserPreJoin(User* user, Channel* chan, const char* cname, std::string &privs, const std::string &keygiven)
{
if (chan)
{
delaylist* dl;
if (chan->GetExt("norejoinusers", dl))
{
std::vector<User*> itemstoremove;
for (delaylist::iterator iter = dl->begin(); iter != dl->end(); iter++)
{
if (iter->second > ServerInstance->Time())
{
if (iter->first == user)
{
user->WriteNumeric(ERR_DELAYREJOIN, "%s %s :You must wait %s seconds after being kicked to rejoin (+J)", user->nick.c_str(), chan->name.c_str(), chan->GetModeParameter('J').c_str());
return 1;
}
}
else
{
// Expired record, remove.
itemstoremove.push_back(iter->first);
}
}
for (unsigned int i = 0; i < itemstoremove.size(); i++)
dl->erase(itemstoremove[i]);
if (!dl->size())
{
// Now it's empty..
delete dl;
chan->Shrink("norejoinusers");
}
}
}
return 0;
}
virtual void OnUserKick(User* source, User* user, Channel* chan, const std::string &reason, bool &silent)
{
if (chan->IsModeSet('J') && (source != user))
{
delaylist* dl;
if (!chan->GetExt("norejoinusers", dl))
{
dl = new delaylist;
chan->Extend("norejoinusers", dl);
}
(*dl)[user] = ServerInstance->Time() + strtoint(chan->GetModeParameter('J'));
}
}
virtual void OnChannelDelete(Channel* chan)
{
delaylist* dl;
if (chan->GetExt("norejoinusers", dl))
{
delete dl;
chan->Shrink("norejoinusers");
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_CHANNEL)
OnChannelDelete((Channel*)item);
}
virtual ~ModuleKickNoRejoin()
{
ServerInstance->Modes->DelMode(kr);
delete kr;
}
virtual Version GetVersion()
{
return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
}
};
MODULE_INIT(ModuleKickNoRejoin)
|
