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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2013, 2017-2020 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2015 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
*
* 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 "modules/ctctags.h"
class DelayMsgMode : public ParamMode<DelayMsgMode, LocalIntExt>
{
public:
LocalIntExt jointime;
DelayMsgMode(Module* Parent)
: ParamMode<DelayMsgMode, LocalIntExt>(Parent, "delaymsg", 'd')
, jointime("delaymsg", ExtensionItem::EXT_MEMBERSHIP, Parent)
{
ranktoset = ranktounset = OP_VALUE;
syntax = "<seconds>";
}
bool ResolveModeConflict(std::string& their_param, const std::string& our_param, Channel*) CXX11_OVERRIDE
{
return ConvToNum<intptr_t>(their_param) < ConvToNum<intptr_t>(our_param);
}
ModeAction OnSet(User* source, Channel* chan, std::string& parameter) CXX11_OVERRIDE;
void OnUnset(User* source, Channel* chan) CXX11_OVERRIDE;
void SerializeParam(Channel* chan, intptr_t n, std::string& out)
{
out += ConvToStr(n);
}
};
class ModuleDelayMsg
: public Module
, public CTCTags::EventListener
{
private:
DelayMsgMode djm;
bool allownotice;
ModResult HandleMessage(User* user, const MessageTarget& target, bool notice);
public:
ModuleDelayMsg()
: CTCTags::EventListener(this)
, djm(this)
{
}
Version GetVersion() CXX11_OVERRIDE;
void OnUserJoin(Membership* memb, bool sync, bool created, CUList&) CXX11_OVERRIDE;
ModResult OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details) CXX11_OVERRIDE;
ModResult OnUserPreTagMessage(User* user, const MessageTarget& target, CTCTags::TagMessageDetails& details) CXX11_OVERRIDE;
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE;
};
ModeAction DelayMsgMode::OnSet(User* source, Channel* chan, std::string& parameter)
{
// Setting a new limit, sanity check
intptr_t limit = ConvToNum<intptr_t>(parameter);
if (limit <= 0)
limit = 1;
ext.set(chan, limit);
return MODEACTION_ALLOW;
}
void DelayMsgMode::OnUnset(User* source, Channel* chan)
{
/*
* Clean up metadata
*/
const Channel::MemberMap& users = chan->GetUsers();
for (Channel::MemberMap::const_iterator n = users.begin(); n != users.end(); ++n)
jointime.set(n->second, 0);
}
Version ModuleDelayMsg::GetVersion()
{
return Version("Adds channel mode d (delaymsg) which prevents newly joined users from speaking until the specified number of seconds have passed.", VF_VENDOR);
}
void ModuleDelayMsg::OnUserJoin(Membership* memb, bool sync, bool created, CUList&)
{
if ((IS_LOCAL(memb->user)) && (memb->chan->IsModeSet(djm)))
{
djm.jointime.set(memb, ServerInstance->Time());
}
}
ModResult ModuleDelayMsg::OnUserPreMessage(User* user, const MessageTarget& target, MessageDetails& details)
{
return HandleMessage(user, target, details.type == MSG_NOTICE);
}
ModResult ModuleDelayMsg::OnUserPreTagMessage(User* user, const MessageTarget& target, CTCTags::TagMessageDetails& details)
{
return HandleMessage(user, target, false);
}
ModResult ModuleDelayMsg::HandleMessage(User* user, const MessageTarget& target, bool notice)
{
if (!IS_LOCAL(user))
return MOD_RES_PASSTHRU;
if ((target.type != MessageTarget::TYPE_CHANNEL) || ((!allownotice) && (notice)))
return MOD_RES_PASSTHRU;
Channel* channel = target.Get<Channel>();
Membership* memb = channel->GetUser(user);
if (!memb)
return MOD_RES_PASSTHRU;
time_t ts = djm.jointime.get(memb);
if (ts == 0)
return MOD_RES_PASSTHRU;
int len = djm.ext.get(channel);
if ((ts + len) > ServerInstance->Time())
{
if (channel->GetPrefixValue(user) < VOICE_VALUE)
{
const std::string message = InspIRCd::Format("You cannot send messages to this channel until you have been a member for %d seconds.", len);
user->WriteNumeric(Numerics::CannotSendTo(channel, message));
return MOD_RES_DENY;
}
}
else
{
/* Timer has expired, we can stop checking now */
djm.jointime.set(memb, 0);
}
return MOD_RES_PASSTHRU;
}
void ModuleDelayMsg::ReadConfig(ConfigStatus& status)
{
ConfigTag* tag = ServerInstance->Config->ConfValue("delaymsg");
allownotice = tag->getBool("allownotice", true);
}
MODULE_INIT(ModuleDelayMsg)
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