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#include <time.h>
#include <map>
#include <vector>
#include <sstream>
#include "users.h"
#include "channels.h"
#include "modules.h"
#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<userrec*, time_t> delaylist;
class KickRejoin : public ModeHandler
{
public:
KickRejoin(InspIRCd* Instance) : ModeHandler(Instance, 'J', 1, 0, false, MODETYPE_CHANNEL, false) { }
ModePair ModeSet(userrec* source, userrec* dest, chanrec* 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, chanrec* channel)
{
/* When TS is equal, the alphabetically later one wins */
return (their_param < our_param);
}
ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
{
if (!adding)
{
// Taking the mode off, we need to clean up.
delaylist* dl;
if (channel->GetExt("norejoinusers", dl))
{
DELETE(dl);
channel->Shrink("norejoinusers");
}
}
if ((!adding) || (atoi(parameter.c_str()) > 0))
{
parameter = ConvToStr(atoi(parameter.c_str()));
channel->SetModeParam('J', parameter.c_str(), adding);
channel->SetMode('J', adding);
return MODEACTION_ALLOW;
}
else
{
return MODEACTION_DENY;
}
}
};
class ModuleKickNoRejoin : public Module
{
KickRejoin* kr;
public:
ModuleKickNoRejoin(InspIRCd* Me)
: Module::Module(Me)
{
kr = new KickRejoin(ServerInstance);
ServerInstance->AddMode(kr, 'J');
}
virtual int OnUserPreJoin(userrec* user, chanrec* chan, const char* cname)
{
if (chan)
{
delaylist* dl;
if (chan->GetExt("norejoinusers", dl))
{
ServerInstance->Log(DEBUG, "m_kicknorejoin.so: got delay list, iterating over it");
std::vector<userrec*> itemstoremove;
for (delaylist::iterator iter = dl->begin(); iter != dl->end(); iter++)
{
ServerInstance->Log(DEBUG, "m_kicknorejoin.so:\t[%s] => %d", iter->first->nick, iter->second);
if (iter->second > time(NULL))
{
ServerInstance->Log(DEBUG, "m_kicknorejoin.so: still inside time slot");
if (iter->first == user)
{
ServerInstance->Log(DEBUG, "m_kicknorejoin.so: and we have the right user");
user->WriteServ( "495 %s %s :You cannot rejoin this channel yet after being kicked (+J)", user->nick, chan->name);
return 1;
}
}
else
{
// Expired record, remove.
ServerInstance->Log(DEBUG, "m_kicknorejoin.so: record expired");
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(userrec* source, userrec* user, chanrec* chan, const std::string &reason)
{
if (chan->IsModeSet('J') && (source != user))
{
delaylist* dl;
if (!chan->GetExt("norejoinusers", dl))
{
dl = new delaylist;
chan->Extend("norejoinusers", dl);
}
ServerInstance->Log(DEBUG, "m_kicknorejoin.so: setting record for %s, %d second delay", user->nick, strtoint(chan->GetModeParameter('J')));
(*dl)[user] = time(NULL) + strtoint(chan->GetModeParameter('J'));
}
}
virtual void OnChannelDelete(chanrec* 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((chanrec*)item);
}
virtual void Implements(char* List)
{
List[I_OnCleanup] = List[I_OnChannelDelete] = List[I_OnUserPreJoin] = List[I_OnUserKick] = 1;
}
virtual ~ModuleKickNoRejoin()
{
ServerInstance->Modes->DelMode(kr);
DELETE(kr);
}
virtual Version GetVersion()
{
return Version(1, 0, 0, 0, VF_COMMON | VF_VENDOR);
}
};
class ModuleKickNoRejoinFactory : public ModuleFactory
{
public:
ModuleKickNoRejoinFactory()
{
}
~ModuleKickNoRejoinFactory()
{
}
virtual Module * CreateModule(InspIRCd* Me)
{
return new ModuleKickNoRejoin(Me);
}
};
extern "C" void * init_module( void )
{
return new ModuleKickNoRejoinFactory;
}
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