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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 */
/* Updated to new API July 8th 2006 by Brain */
/* 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 ListModeBase : public ModeHandler
{
protected:
std::string infokey;
std::string listnumeric;
std::string endoflistnumeric;
std::string endofliststring;
limitlist chanlimits;
Server* Srv;
ConfigReader* Conf;
public:
ListModeBase(Server* serv, char modechar, const std::string &eolstr, const std::string &lnum, const std::string &eolnum) : ModeHandler(modechar, 1, 1, true, MODETYPE_CHANNEL, false)
{
Srv = serv;
Conf = new ConfigReader;
mode = modechar;
listnumeric = lnum;
endoflistnumeric = eolnum;
endofliststring = eolstr;
this->DoRehash();
infokey = "exceptionbase_mode_" + std::string(1, mode) + "_list";
}
virtual void DisplayList(userrec* user, chanrec* channel)
{
modelist* el = (modelist*)channel->GetExt(infokey);
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, channel->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, channel->name, endofliststring.c_str());
}
virtual void DoRehash()
{
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);
}
}
virtual void DoImplements(char* List)
{
List[I_OnChannelDelete] = List[I_OnSyncChannel] = List[I_OnCleanup] = List[I_OnRehash] = 1;
}
virtual ModeAction OnModeChange(userrec* source, userrec* dest, chanrec* channel, std::string ¶meter, bool adding)
{
// Try and grab the list
modelist* el = (modelist*)channel->GetExt(infokey);
if (adding)
{
// If there was no list
if (!el)
{
// Make one
el = new modelist;
channel->Extend(infokey, (char*)el);
}
// Clean the mask up
ModeParser::CleanMask(parameter);
// Check if the item already exists in the list
for (modelist::iterator it = el->begin(); it != el->end(); it++)
{
if(parameter == it->mask)
{
// it does, deny the change
parameter = "";
return MODEACTION_DENY;
}
}
unsigned int maxsize = 0;
for (limitlist::iterator it = chanlimits.begin(); it != chanlimits.end(); it++)
{
if (Srv->MatchText(channel->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 = parameter;
e.nick = source->nick;
e.time = stringtime();
el->push_back(e);
return MODEACTION_ALLOW;
}
}
}
// List is full
WriteServ(source->fd, "478 %s %s %s :Channel ban/ignore list is full", source->nick, channel->name, parameter.c_str());
parameter = "";
return MODEACTION_DENY;
}
else
{
// We're taking the mode off
if (el)
{
for (modelist::iterator it = el->begin(); it != el->end(); it++)
{
if(parameter == it->mask)
{
el->erase(it);
if(el->size() == 0)
{
channel->Shrink(infokey);
delete el;
}
return MODEACTION_ALLOW;
}
}
parameter = "";
return MODEACTION_DENY;
}
else
{
// Hmm, taking an exception off a non-existant list, DIE
parameter = "";
return MODEACTION_DENY;
}
}
return MODEACTION_DENY;
}
virtual std::string& GetInfoKey()
{
return infokey;
}
virtual void DoChannelDelete(chanrec* chan)
{
modelist* list = (modelist*)chan->GetExt(infokey);
if (list)
{
chan->Shrink(infokey);
delete list;
}
}
virtual void DoSyncChannel(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 DoCleanup(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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