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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"
#include <stdarg.h>
class DelayJoinMode : public ModeHandler
{
private:
CUList empty;
public:
DelayJoinMode(InspIRCd* Instance, Module* Parent) : ModeHandler(Parent, 'D', PARAM_NONE, MODETYPE_CHANNEL)
{
levelrequired = OP_VALUE;
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
};
class ModuleDelayJoin : public Module
{
DelayJoinMode djm;
public:
LocalIntExt unjoined;
ModuleDelayJoin(InspIRCd* Me) : Module(Me), djm(Me, this), unjoined("delayjoin", this)
{
if (!ServerInstance->Modes->AddMode(&djm))
throw ModuleException("Could not add new modes!");
Implementation eventlist[] = { I_OnUserJoin, I_OnUserPart, I_OnUserKick, I_OnUserQuit, I_OnNamesListItem, I_OnText, I_OnHostCycle };
ServerInstance->Modules->Attach(eventlist, this, 7);
}
~ModuleDelayJoin();
Version GetVersion();
void OnNamesListItem(User* issuer, Membership*, std::string &prefixes, std::string &nick);
void OnUserJoin(Membership*, bool, bool, CUList&);
void CleanUser(User* user);
ModResult OnHostCycle(User* user);
void OnUserPart(Membership*, std::string &partmessage, CUList&);
void OnUserKick(User* source, Membership*, const std::string &reason, CUList&);
void OnUserQuit(User* user, const std::string &reason, const std::string &oper_message);
void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list);
};
/* $ModDesc: Allows for delay-join channels (+D) where users dont appear to join until they speak */
ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
/* no change */
if (channel->IsModeSet('D') == adding)
return MODEACTION_DENY;
if (!adding)
{
/*
* Make all users visible, as +D is being removed. If we don't do this,
* they remain permanently invisible on this channel!
*/
const UserMembList* names = channel->GetUsers();
for (UserMembCIter n = names->begin(); n != names->end(); ++n)
creator->OnText(n->first, channel, TYPE_CHANNEL, "", 0, empty);
}
channel->SetMode('D', adding);
return MODEACTION_ALLOW;
}
ModuleDelayJoin::~ModuleDelayJoin()
{
ServerInstance->Modes->DelMode(&djm);
}
Version ModuleDelayJoin::GetVersion()
{
return Version("Allows for delay-join channels (+D) where users dont appear to join until they speak", VF_COMMON | VF_VENDOR);
}
void ModuleDelayJoin::OnNamesListItem(User* issuer, Membership* memb, std::string &prefixes, std::string &nick)
{
/* don't prevent the user from seeing themself */
if (issuer == memb->user)
return;
/* If the user is hidden by delayed join, hide them from the NAMES list */
if (unjoined.get(memb))
nick.clear();
}
static void populate(CUList& except, Membership* memb)
{
const UserMembList* users = memb->chan->GetUsers();
for(UserMembCIter i = users->begin(); i != users->end(); i++)
{
if (i->first == memb->user || !IS_LOCAL(i->first))
continue;
except.insert(i->first);
}
}
void ModuleDelayJoin::OnUserJoin(Membership* memb, bool sync, bool created, CUList& except)
{
if (memb->chan->IsModeSet('D'))
{
unjoined.set(memb, 1);
populate(except, memb);
}
}
void ModuleDelayJoin::OnUserPart(Membership* memb, std::string &partmessage, CUList& except)
{
if (unjoined.set(memb, 0))
populate(except, memb);
}
void ModuleDelayJoin::OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& except)
{
if (unjoined.set(memb, 0))
populate(except, memb);
}
ModResult ModuleDelayJoin::OnHostCycle(User* user)
{
for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
{
Channel* chan = *f;
Membership* memb = chan->GetUser(user);
if (memb && unjoined.get(memb))
{
return MOD_RES_DENY;
}
}
return MOD_RES_PASSTHRU;
}
void ModuleDelayJoin::OnUserQuit(User* user, const std::string &reason, const std::string &oper_message)
{
Command* parthandler = ServerInstance->Parser->GetHandler("PART");
if (!parthandler)
return;
for (UCListIter f = user->chans.begin(); f != user->chans.end(); f++)
{
Channel* chan = *f;
Membership* memb = chan->GetUser(user);
if (memb && unjoined.get(memb))
{
std::vector<std::string> parameters;
parameters.push_back(chan->name);
/* Send a fake PART from the channel, which will be silent */
parthandler->Handle(parameters, user);
}
}
}
void ModuleDelayJoin::OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list)
{
/* Server origin */
if (!user)
return;
if (target_type != TYPE_CHANNEL)
return;
Channel* channel = (Channel*) dest;
Membership* memb = channel->GetUser(user);
if (!memb || !unjoined.set(memb, 0))
return;
/* Display the join to everyone else (the user who joined got it earlier) */
channel->WriteAllExceptSender(user, false, 0, "JOIN %s", channel->name.c_str());
std::string n = ServerInstance->Modes->ModeString(user, channel);
if (n.length() > 0)
channel->WriteAllExceptSender(user, false, 0, "MODE %s +%s", channel->name.c_str(), n.c_str());
}
MODULE_INIT(ModuleDelayJoin)
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