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1 /*
2  * InspIRCd -- Internet Relay Chat Daemon
3  *
4  *   Copyright (C) 2014 Daniel Vassdal <shutter@canternet.org>
5  *   Copyright (C) 2013-2015 Attila Molnar <attilamolnar@hush.com>
6  *   Copyright (C) 2013, 2017, 2019 Sadie Powell <sadie@witchery.services>
7  *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
8  *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
9  *   Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
10  *   Copyright (C) 2009 Robin Burchell <robin+git@viroteck.net>
11  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
12  *   Copyright (C) 2007 Craig Edwards <brain@inspircd.org>
13  *
14  * This file is part of InspIRCd.  InspIRCd is free software: you can
15  * redistribute it and/or modify it under the terms of the GNU General Public
16  * License as published by the Free Software Foundation, version 2.
17  *
18  * This program is distributed in the hope that it will be useful, but WITHOUT
19  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
20  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
21  * details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
25  */
26
27
28 #include "inspircd.h"
29
30 static void JoinChannels(LocalUser* u, const std::string& chanlist)
31 {
32         irc::commasepstream chans(chanlist);
33         std::string chan;
34
35         while (chans.GetToken(chan))
36         {
37                 if (ServerInstance->IsChannel(chan))
38                         Channel::JoinUser(u, chan);
39         }
40 }
41
42 class JoinTimer : public Timer
43 {
44  private:
45         LocalUser* const user;
46         const std::string channels;
47         SimpleExtItem<JoinTimer>& ext;
48
49  public:
50         JoinTimer(LocalUser* u, SimpleExtItem<JoinTimer>& ex, const std::string& chans, unsigned int delay)
51                 : Timer(delay, false)
52                 , user(u), channels(chans), ext(ex)
53         {
54                 ServerInstance->Timers.AddTimer(this);
55         }
56
57         bool Tick(time_t time) CXX11_OVERRIDE
58         {
59                 if (user->chans.empty())
60                         JoinChannels(user, channels);
61
62                 ext.unset(user);
63                 return false;
64         }
65 };
66
67 class ModuleConnJoin : public Module
68 {
69         SimpleExtItem<JoinTimer> ext;
70         std::string defchans;
71         unsigned int defdelay;
72
73  public:
74         ModuleConnJoin()
75                 : ext("join_timer", ExtensionItem::EXT_USER, this)
76         {
77         }
78
79         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
80         {
81                 ConfigTag* tag = ServerInstance->Config->ConfValue("autojoin");
82                 defchans = tag->getString("channel");
83                 defdelay = tag->getDuration("delay", 0, 0, 60*15);
84         }
85
86         void Prioritize() CXX11_OVERRIDE
87         {
88                 ServerInstance->Modules->SetPriority(this, I_OnPostConnect, PRIORITY_LAST);
89         }
90
91         Version GetVersion() CXX11_OVERRIDE
92         {
93                 return Version("Allows the server administrator to force users to join one or more channels on connect.", VF_VENDOR);
94         }
95
96         void OnPostConnect(User* user) CXX11_OVERRIDE
97         {
98                 LocalUser* localuser = IS_LOCAL(user);
99                 if (!localuser)
100                         return;
101
102                 std::string chanlist = localuser->GetClass()->config->getString("autojoin");
103                 unsigned int chandelay = localuser->GetClass()->config->getDuration("autojoindelay", 0, 0, 60*15);
104
105                 if (chanlist.empty())
106                 {
107                         if (defchans.empty())
108                                 return;
109                         chanlist = defchans;
110                         chandelay = defdelay;
111                 }
112
113                 if (!chandelay)
114                         JoinChannels(localuser, chanlist);
115                 else
116                         ext.set(localuser, new JoinTimer(localuser, ext, chanlist, chandelay));
117         }
118 };
119
120 MODULE_INIT(ModuleConnJoin)