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/* ChanServ core functions
*
* (C) 2003-2012 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
/*************************************************************************/
#include "module.h"
class ExpireCallback : public CallBack
{
public:
ExpireCallback(Module *owner) : CallBack(owner, Config->ExpireTimeout, Anope::CurTime, true) { }
void Tick(time_t) anope_override
{
if (!Config->CSExpire || noexpire || readonly)
return;
for (registered_channel_map::const_iterator it = RegisteredChannelList->begin(), it_end = RegisteredChannelList->end(); it != it_end; )
{
ChannelInfo *ci = it->second;
++it;
bool expire = false;
if (!ci->c && Config->CSExpire && Anope::CurTime - ci->last_used >= Config->CSExpire)
expire = true;
if (ci->HasFlag(CI_NO_EXPIRE))
expire = false;
FOREACH_MOD(I_OnPreChanExpire, OnPreChanExpire(ci, expire));
if (expire)
{
Anope::string extra;
if (ci->HasFlag(CI_SUSPENDED))
extra = "suspended ";
Log(LOG_NORMAL, "chanserv/expire") << "Expiring " << extra << "channel " << ci->name << " (founder: " << (ci->GetFounder() ? ci->GetFounder()->display : "(none)") << ")";
FOREACH_MOD(I_OnChanExpire, OnChanExpire(ci));
ci->destroy();
}
}
}
};
class ChanServCore : public Module
{
ExpireCallback expires;
public:
ChanServCore(const Anope::string &modname, const Anope::string &creator) : Module(modname, creator, CORE), expires(this)
{
this->SetAuthor("Anope");
const BotInfo *ChanServ = findbot(Config->ChanServ);
if (ChanServ == NULL)
throw ModuleException("No bot named " + Config->ChanServ);
Implementation i[] = { I_OnBotPrivmsg, I_OnDelCore, I_OnPreHelp, I_OnPostHelp, I_OnCheckModes };
ModuleManager::Attach(i, this, sizeof(i) / sizeof(Implementation));
}
EventReturn OnBotPrivmsg(User *u, BotInfo *bi, Anope::string &message) anope_override
{
if (Config->CSOpersOnly && !u->HasMode(UMODE_OPER) && bi->nick == Config->ChanServ)
{
u->SendMessage(bi, ACCESS_DENIED);
return EVENT_STOP;
}
return EVENT_CONTINUE;
}
void OnDelCore(NickCore *nc) anope_override
{
// XXX this is slightly inefficient
for (registered_channel_map::const_iterator it = RegisteredChannelList->begin(), it_end = RegisteredChannelList->end(); it != it_end;)
{
ChannelInfo *ci = it->second;
++it;
if (ci->GetFounder() == nc)
{
NickCore *newowner = NULL;
if (ci->successor && (ci->successor->IsServicesOper() || !Config->CSMaxReg || ci->successor->channelcount < Config->CSMaxReg))
newowner = ci->successor;
else
{
const ChanAccess *highest = NULL;
for (unsigned j = 0; j < ci->GetAccessCount(); ++j)
{
const ChanAccess *ca = ci->GetAccess(j);
const NickCore *anc = findcore(ca->mask);
if (!anc || (!anc->IsServicesOper() && Config->CSMaxReg && anc->channelcount >= Config->CSMaxReg) || (anc == nc))
continue;
if (!highest || *ca > *highest)
highest = ca;
}
if (highest)
newowner = findcore(highest->mask);
}
if (newowner)
{
Log(LOG_NORMAL, "chanserv/expire") << "Transferring foundership of " << ci->name << " from deleted nick " << nc->display << " to " << newowner->display;
ci->SetFounder(newowner);
ci->successor = NULL;
}
else
{
Log(LOG_NORMAL, "chanserv/expire") << "Deleting channel " << ci->name << " owned by deleted nick " << nc->display;
ci->destroy();
continue;
}
}
if (ci->successor == nc)
ci->successor = NULL;
for (unsigned j = 0; j < ci->GetAccessCount(); ++j)
{
const ChanAccess *ca = ci->GetAccess(j);
const NickCore *anc = findcore(ca->mask);
if (anc && anc == nc)
{
ci->EraseAccess(j);
break;
}
}
for (unsigned j = ci->GetAkickCount(); j > 0; --j)
{
const AutoKick *akick = ci->GetAkick(j - 1);
if (akick->HasFlag(AK_ISNICK) && akick->nc == nc)
ci->EraseAkick(j - 1);
}
}
}
EventReturn OnPreHelp(CommandSource &source, const std::vector<Anope::string> ¶ms) anope_override
{
if (!params.empty() || source.owner->nick != Config->ChanServ)
return EVENT_CONTINUE;
source.Reply(_("\002%s\002 allows you to register and control various\n"
"aspects of channels. %s can often prevent\n"
"malicious users from \"taking over\" channels by limiting\n"
"who is allowed channel operator privileges. Available\n"
"commands are listed below; to use them, type\n"
"\002%s%s \037command\037\002. For more information on a\n"
"specific command, type \002%s%s HELP \037command\037\002.\n "),
Config->ChanServ.c_str(), Config->ChanServ.c_str(), Config->UseStrictPrivMsgString.c_str(), Config->ChanServ.c_str(), Config->UseStrictPrivMsgString.c_str(), Config->ChanServ.c_str(), Config->ChanServ.c_str(), source.command.c_str());
return EVENT_CONTINUE;
}
void OnPostHelp(CommandSource &source, const std::vector<Anope::string> ¶ms) anope_override
{
if (!params.empty() || source.owner->nick != Config->ChanServ)
return;
if (Config->CSExpire >= 86400)
source.Reply(_(" \n"
"Note that any channel which is not used for %d days\n"
"(i.e. which no user on the channel's access list enters\n"
"for that period of time) will be automatically dropped."), Config->CSExpire / 86400);
if (source.IsServicesOper())
source.Reply(_(" \n"
"Services Operators can also, depending on their access drop\n"
"any channel, view (and modify) the access, levels and akick\n"
"lists and settings for any channel."));
}
EventReturn OnCheckModes(Channel *c) anope_override
{
if (!Config->CSRequire.empty())
{
if (c->ci)
c->SetModes(NULL, false, "+%s", Config->CSRequire.c_str());
else
c->SetModes(NULL, false, "-%s", Config->CSRequire.c_str());
}
return EVENT_CONTINUE;
}
};
MODULE_INIT(ChanServCore)
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