2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
6 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
7 * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
9 * This file is part of InspIRCd. InspIRCd is free software: you can
10 * redistribute it and/or modify it under the terms of the GNU General Public
11 * License as published by the Free Software Foundation, version 2.
13 * This program is distributed in the hope that it will be useful, but WITHOUT
14 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
15 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
18 * You should have received a copy of the GNU General Public License
19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 #include "modules/exemption.h"
26 class AuditoriumMode : public SimpleChannelModeHandler
29 AuditoriumMode(Module* Creator) : SimpleChannelModeHandler(Creator, "auditorium", 'u')
31 ranktoset = ranktounset = OP_VALUE;
35 class ModuleAuditorium;
40 /** Hook handler for join client protocol events.
41 * This allows us to block join protocol events completely, including all associated messages (e.g. MODE, away-notify AWAY).
42 * This is not the same as OnUserJoin() because that runs only when a real join happens but this runs also when a module
43 * such as delayjoin or hostcycle generates a join.
45 class JoinHook : public ClientProtocol::EventHook
47 ModuleAuditorium* const parentmod;
51 JoinHook(ModuleAuditorium* mod);
52 void OnEventInit(const ClientProtocol::Event& ev) CXX11_OVERRIDE;
53 ModResult OnPreEventSend(LocalUser* user, const ClientProtocol::Event& ev, ClientProtocol::MessageList& messagelist) CXX11_OVERRIDE;
58 class ModuleAuditorium : public Module
60 CheckExemption::EventProvider exemptionprov;
75 void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
77 ConfigTag* tag = ServerInstance->Config->ConfValue("auditorium");
78 OpsVisible = tag->getBool("opvisible");
79 OpsCanSee = tag->getBool("opcansee");
80 OperCanSee = tag->getBool("opercansee", true);
83 Version GetVersion() CXX11_OVERRIDE
85 return Version("Allows for auditorium channels (+u) where nobody can see others joining and parting or the nick list", VF_VENDOR);
88 /* Can they be seen by everyone? */
89 bool IsVisible(Membership* memb)
91 if (!memb->chan->IsModeSet(&aum))
94 ModResult res = CheckExemption::Call(exemptionprov, memb->user, memb->chan, "auditorium-vis");
95 return res.check(OpsVisible && memb->getRank() >= OP_VALUE);
98 /* Can they see this specific membership? */
99 bool CanSee(User* issuer, Membership* memb)
101 // If user is oper and operoverride is on, don't touch the list
102 if (OperCanSee && issuer->HasPrivPermission("channels/auspex"))
105 // You can always see yourself
106 if (issuer == memb->user)
109 // Can you see the list by permission?
110 ModResult res = CheckExemption::Call(exemptionprov, issuer, memb->chan, "auditorium-see");
111 if (res.check(OpsCanSee && memb->chan->GetPrefixValue(issuer) >= OP_VALUE))
117 ModResult OnNamesListItem(User* issuer, Membership* memb, std::string& prefixes, std::string& nick) CXX11_OVERRIDE
120 return MOD_RES_PASSTHRU;
122 if (CanSee(issuer, memb))
123 return MOD_RES_PASSTHRU;
125 // Don't display this user in the NAMES list
129 /** Build CUList for showing this join/part/kick */
130 void BuildExcept(Membership* memb, CUList& excepts)
135 const Channel::MemberMap& users = memb->chan->GetUsers();
136 for (Channel::MemberMap::const_iterator i = users.begin(); i != users.end(); ++i)
138 if (IS_LOCAL(i->first) && !CanSee(i->first, memb))
139 excepts.insert(i->first);
143 void OnUserPart(Membership* memb, std::string &partmessage, CUList& excepts) CXX11_OVERRIDE
145 BuildExcept(memb, excepts);
148 void OnUserKick(User* source, Membership* memb, const std::string &reason, CUList& excepts) CXX11_OVERRIDE
150 BuildExcept(memb, excepts);
153 void OnBuildNeighborList(User* source, IncludeChanList& include, std::map<User*, bool>& exception) CXX11_OVERRIDE
155 for (IncludeChanList::iterator i = include.begin(); i != include.end(); )
157 Membership* memb = *i;
164 // this channel should not be considered when listing my neighbors
165 i = include.erase(i);
166 // however, that might hide me from ops that can see me...
167 const Channel::MemberMap& users = memb->chan->GetUsers();
168 for(Channel::MemberMap::const_iterator j = users.begin(); j != users.end(); ++j)
170 if (IS_LOCAL(j->first) && CanSee(j->first, memb))
171 exception[j->first] = true;
176 ModResult OnSendWhoLine(User* source, const std::vector<std::string>& params, User* user, Membership* memb, Numeric::Numeric& numeric) CXX11_OVERRIDE
179 return MOD_RES_PASSTHRU;
181 return MOD_RES_PASSTHRU;
182 if (CanSee(source, memb))
183 return MOD_RES_PASSTHRU;
188 JoinHook::JoinHook(ModuleAuditorium* mod)
189 : ClientProtocol::EventHook(mod, "JOIN", 10)
194 void JoinHook::OnEventInit(const ClientProtocol::Event& ev)
196 const ClientProtocol::Events::Join& join = static_cast<const ClientProtocol::Events::Join&>(ev);
197 active = !parentmod->IsVisible(join.GetMember());
200 ModResult JoinHook::OnPreEventSend(LocalUser* user, const ClientProtocol::Event& ev, ClientProtocol::MessageList& messagelist)
203 return MOD_RES_PASSTHRU;
205 const ClientProtocol::Events::Join& join = static_cast<const ClientProtocol::Events::Join&>(ev);
206 return ((parentmod->CanSee(user, join.GetMember())) ? MOD_RES_PASSTHRU : MOD_RES_DENY);
209 MODULE_INIT(ModuleAuditorium)