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#ifndef INSPIRCD_LISTMODE_PROVIDER
#define INSPIRCD_LISTMODE_PROVIDER
#include <stdio.h>
#include <string>
#include <sstream>
#include <vector>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "helperfuncs.h"
/* $ModDesc: Provides support for easily creating listmodes, stores the time set, the user, and a parameter. */
/* Updated to use the <banlist> config tag if it exists */
/* Written by Om <omster@gmail.com>, December 2005. */
/* Based on code previously written by Om - April 2005 */
/* Originally based on m_chanprotect and m_silence */
inline std::string stringtime()
{
std::ostringstream TIME;
TIME << time(NULL);
return TIME.str();
}
class ListItem
{
public:
std::string nick;
std::string mask;
std::string time;
};
class ListLimit
{
public:
std::string mask;
unsigned int limit;
};
// Just defining the type we use for the exception list here...
typedef std::vector<ListItem> modelist;
typedef std::vector<ListLimit> limitlist;
class ListModeBaseModule : public Module
{
protected:
char mode;
std::string infokey;
std::string listnumeric;
std::string endoflistnumeric;
std::string endofliststring;
limitlist chanlimits;
Server* Srv;
ConfigReader* Conf;
public:
ListModeBaseModule(Server* serv, char modechar, std::string eolstr, std::string lnum, std::string eolnum) : Module::Module(serv)
{
Srv = serv;
Conf = new ConfigReader;
mode = modechar;
listnumeric = lnum;
endoflistnumeric = eolnum;
endofliststring = eolstr;
OnRehash("");
infokey = "exceptionbase_mode_" + std::string(1, mode) + "_list";
Srv->AddExtendedListMode(modechar);
}
virtual void OnRehash(std::string param)
{
delete Conf;
Conf = new ConfigReader;
chanlimits.clear();
for(int i = 0; i < Conf->Enumerate("banlist"); i++)
{
// For each <banlist> tag
ListLimit limit;
limit.mask = Conf->ReadValue("banlist", "chan", i);
limit.limit = Conf->ReadInteger("banlist", "limit", i, true);
if(limit.mask.size() && limit.limit > 0)
{
chanlimits.push_back(limit);
log(DEBUG, "m_exceptionbase.so: Read channel listmode limit of %u for mask '%s'", limit.limit, limit.mask.c_str());
}
else
{
log(DEBUG, "m_exceptionbase.so: Invalid tag");
}
}
if(chanlimits.size() == 0)
{
ListLimit limit;
limit.mask = "*";
limit.limit = 64;
chanlimits.push_back(limit);
}
}
void DoImplements(char* List)
{
List[I_OnExtendedMode] = List[I_OnSendList] = List[I_OnChannelDelete] = List[I_OnSyncChannel] = List[I_OnCleanup] = List[I_OnRehash] = 1;
}
virtual int OnExtendedMode(userrec *user, void *target, char modechar, int type, bool mode_on, string_list ¶ms)
{
// First, check it's our mode
if ((modechar == mode) && (type == MT_CHANNEL))
{
Srv->Log(DEBUG, "m_exceptionbase.so: General listmode handler called, handling mode '" + std::string(1, mode) + "'");
chanrec* chan = (chanrec*)target;
// Try and grab the list
modelist* el = (modelist*)chan->GetExt(infokey);
if(mode_on)
{
// If there was no list
if(!el)
{
// Make one
Srv->Log(DEBUG, "m_exceptionbase.so: Creating new list");
el = new modelist;
chan->Extend(infokey, (char*)el);
}
if(!Srv->IsValidMask(params[0]))
{
Srv->Log(DEBUG, "m_exceptionbase.so: Banmask was invalid, returning -1");
return -1;
}
for (modelist::iterator it = el->begin(); it != el->end(); it++)
{
Srv->Log(DEBUG, "m_exceptionbase.so: Iterating over exception list, current mask: " + it->mask);
if(params[0] == it->mask)
{
Srv->Log(DEBUG, "m_exceptionbase.so: Someone tried to set an exception which was already set, returning -1");
return -1;
}
}
unsigned int maxsize = 0;
for(limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); it++)
{
if(Srv->MatchText(chan->name, it->mask))
{
// We have a pattern matching the channel...
maxsize = el->size();
if(maxsize < it->limit)
{
// And now add the mask onto the list...
ListItem e;
e.mask = params[0];
e.nick = user->nick;
e.time = stringtime();
Srv->Log(DEBUG, "m_exceptionbase.so: All checks passed, adding exception mask to list and returning 1");
el->push_back(e);
return 1;
}
}
}
// List is full
WriteServ(user->fd, "478 %s %s %s :Channel ban/ignore list is full", user->nick, chan->name, params[0].c_str());
log(DEBUG, "m_exceptionbase.so: %s tried to set mask %s on %s but the list is full (max %d)", user->nick, params[0].c_str(), chan->name, maxsize);
return -1;
}
else
{
// We're taking the mode off
if(el)
{
for (modelist::iterator it = el->begin(); it != el->end(); it++)
{
Srv->Log(DEBUG, "m_exceptionbase.so: Removing mode, iterating over exception list, current mask: " + it->mask);
if(params[0] == it->mask)
{
Srv->Log(DEBUG, "m_exceptionbase.so: Found match for removal of exception, removing and returning 1");
el->erase(it);
if(el->size() == 0)
{
Srv->Log(DEBUG, "m_exceptionbase.so: Erased the last entry on the exception list, removing the list");
chan->Shrink(infokey);
delete el;
}
return 1;
}
}
Srv->Log(DEBUG, "m_exceptionbase.so: No match found for attempted removing of exception, returning -1");
return -1;
}
else
{
// Hmm, taking an exception off a non-existant list, DIE
Srv->Log(DEBUG, "m_exceptionbase.so: Attempted removal of an exception, when there was no exception list created, returning -1");
return -1;
}
}
}
return 0;
}
virtual void OnSendList(userrec* user, chanrec* chan, char modechar)
{
if(modechar == mode)
{
modelist* el = (modelist*)chan->GetExt(infokey);
Srv->Log(DEBUG, "m_exceptionbase.so: " + std::string(user->nick)+" is listing listmodes on "+std::string(chan->name));
if (el)
{
for(modelist::iterator it = el->begin(); it != el->end(); it++)
{
WriteServ(user->fd, "%s %s %s %s %s %s", listnumeric.c_str(), user->nick, chan->name, it->mask.c_str(), it->nick.c_str(), it->time.c_str());
}
}
WriteServ(user->fd, "%s %s %s %s", endoflistnumeric.c_str(), user->nick, chan->name, endofliststring.c_str());
}
}
virtual void OnChannelDelete(chanrec* chan)
{
modelist* list = (modelist*)chan->GetExt(infokey);
if(list)
{
chan->Shrink(infokey);
delete list;
}
}
virtual void OnSyncChannel(chanrec* chan, Module* proto, void* opaque)
{
modelist* list = (modelist*)chan->GetExt(infokey);
if(list)
{
for(modelist::iterator it = list->begin(); it != list->end(); it++)
{
proto->ProtoSendMode(opaque, TYPE_CHANNEL, chan, "+" + std::string(1, mode) + " " + it->mask);
}
}
}
virtual void OnCleanup(int target_type, void* item)
{
if (target_type == TYPE_CHANNEL)
{
chanrec* chan = (chanrec*)item;
modelist* list = (modelist*)chan->GetExt(infokey);
if(list)
{
chan->Shrink(infokey);
delete list;
}
}
}
};
#endif
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