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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 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"
/* $ModDesc: Provides channelmode +d <int>, to deny messages to a channel until <int> seconds. */
class DelayMsgMode : public ModeHandler
{
public:
LocalIntExt jointime;
DelayMsgMode(Module* Parent) : ModeHandler(Parent, "delaymsg", 'd', PARAM_SETONLY, MODETYPE_CHANNEL)
, jointime("delaymsg", Parent)
{
levelrequired = OP_VALUE;
}
bool ResolveModeConflict(std::string &their_param, const std::string &our_param, Channel*)
{
return (atoi(their_param.c_str()) < atoi(our_param.c_str()));
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding);
};
class ModuleDelayMsg : public Module
{
DelayMsgMode djm;
public:
ModuleDelayMsg() : djm(this)
{
}
void init() CXX11_OVERRIDE
{
ServerInstance->Modules->AddService(djm);
ServerInstance->Modules->AddService(djm.jointime);
Implementation eventlist[] = { I_OnUserJoin, I_OnUserPreMessage};
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
Version GetVersion() CXX11_OVERRIDE;
void OnUserJoin(Membership* memb, bool sync, bool created, CUList&) CXX11_OVERRIDE;
ModResult OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype) CXX11_OVERRIDE;
};
ModeAction DelayMsgMode::OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
if (adding)
{
if ((channel->IsModeSet('d')) && (channel->GetModeParameter('d') == parameter))
return MODEACTION_DENY;
/* Setting a new limit, sanity check */
long limit = atoi(parameter.c_str());
/* Wrap low values at 32768 */
if (limit < 0)
limit = 0x7FFF;
parameter = ConvToStr(limit);
}
else
{
if (!channel->IsModeSet('d'))
return MODEACTION_DENY;
/*
* Clean up metadata
*/
const UserMembList* names = channel->GetUsers();
for (UserMembCIter n = names->begin(); n != names->end(); ++n)
jointime.set(n->second, 0);
}
channel->SetModeParam('d', adding ? parameter : "");
return MODEACTION_ALLOW;
}
Version ModuleDelayMsg::GetVersion()
{
return Version("Provides channelmode +d <int>, to deny messages to a channel until <int> seconds.", VF_VENDOR);
}
void ModuleDelayMsg::OnUserJoin(Membership* memb, bool sync, bool created, CUList&)
{
if ((IS_LOCAL(memb->user)) && (memb->chan->IsModeSet('d')))
{
djm.jointime.set(memb, ServerInstance->Time());
}
}
ModResult ModuleDelayMsg::OnUserPreMessage(User* user, void* dest, int target_type, std::string& text, char status, CUList& exempt_list, MessageType msgtype)
{
/* Server origin */
if ((!user) || (!IS_LOCAL(user)))
return MOD_RES_PASSTHRU;
if ((target_type != TYPE_CHANNEL) || (msgtype != MSG_PRIVMSG))
return MOD_RES_PASSTHRU;
Channel* channel = (Channel*) dest;
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;
std::string len = channel->GetModeParameter('d');
if (ts + atoi(len.c_str()) > ServerInstance->Time())
{
if (channel->GetPrefixValue(user) < VOICE_VALUE)
{
user->WriteNumeric(404, "%s %s :You must wait %s seconds after joining to send to channel (+d)",
user->nick.c_str(), channel->name.c_str(), len.c_str());
return MOD_RES_DENY;
}
}
else
{
/* Timer has expired, we can stop checking now */
djm.jointime.set(memb, 0);
}
return MOD_RES_PASSTHRU;
}
MODULE_INIT(ModuleDelayMsg)
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