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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2010 Jens Voss <DukePyrolator@anope.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "inspircd.h"
#include <stdarg.h>
class DelayJoinMode : public ModeHandler
{
CUList empty;
public:
DelayJoinMode(Module* Parent) : ModeHandler(Parent, "delayjoin", '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() : djm(this), unjoined("delayjoin", this)
{
}
Version GetVersion() CXX11_OVERRIDE;
void OnNamesListItem(User* issuer, Membership*, std::string &prefixes, std::string &nick) CXX11_OVERRIDE;
void OnUserJoin(Membership*, bool, bool, CUList&) CXX11_OVERRIDE;
void CleanUser(User* user);
void OnUserPart(Membership*, std::string &partmessage, CUList&) CXX11_OVERRIDE;
void OnUserKick(User* source, Membership*, const std::string &reason, CUList&) CXX11_OVERRIDE;
void OnBuildNeighborList(User* source, IncludeChanList& include, std::map<User*, bool>& exception) CXX11_OVERRIDE;
void OnText(User* user, void* dest, int target_type, const std::string &text, char status, CUList &exempt_list) CXX11_OVERRIDE;
ModResult OnRawMode(User* user, Channel* channel, ModeHandler* mh, const std::string& param, bool adding) CXX11_OVERRIDE;
};
ModeAction DelayJoinMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
/* no change */
if (channel->IsModeSet(this) == 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(this, adding);
return MODEACTION_ALLOW;
}
Version ModuleDelayJoin::GetVersion()
{
return Version("Allows for delay-join channels (+D) where users don't appear to join until they speak", 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(djm))
{
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);
}
void ModuleDelayJoin::OnBuildNeighborList(User* source, IncludeChanList& include, std::map<User*, bool>& exception)
{
for (IncludeChanList::iterator i = include.begin(); i != include.end(); )
{
Membership* memb = *i;
if (unjoined.get(memb))
i = include.erase(i);
else
++i;
}
}
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 = static_cast<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 ms = memb->modes;
for(unsigned int i=0; i < memb->modes.length(); i++)
ms.append(" ").append(user->nick);
if (ms.length() > 0)
channel->WriteAllExceptSender(user, false, 0, "MODE %s +%s", channel->name.c_str(), ms.c_str());
}
/* make the user visible if he receives any mode change */
ModResult ModuleDelayJoin::OnRawMode(User* user, Channel* channel, ModeHandler* mh, const std::string& param, bool adding)
{
if (!user || !channel || param.empty())
return MOD_RES_PASSTHRU;
User* dest;
if (IS_LOCAL(user))
dest = ServerInstance->FindNickOnly(param);
else
dest = ServerInstance->FindNick(param);
if (!dest)
return MOD_RES_PASSTHRU;
Membership* memb = channel->GetUser(dest);
if (memb && unjoined.set(memb, 0))
channel->WriteAllExceptSender(dest, false, 0, "JOIN %s", channel->name.c_str());
return MOD_RES_PASSTHRU;
}
MODULE_INIT(ModuleDelayJoin)
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