summaryrefslogtreecommitdiff
path: root/src/modules/m_sajoin.cpp
blob: 22a9a7fd53118fc78144fcfc9d88f133a02df786 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
/*
 * InspIRCd -- Internet Relay Chat Daemon
 *
 *   Copyright (C) 2013, 2018-2020 Sadie Powell <sadie@witchery.services>
 *   Copyright (C) 2013 Daniel Vassdal <shutter@canternet.org>
 *   Copyright (C) 2012-2014, 2016 Attila Molnar <attilamolnar@hush.com>
 *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
 *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
 *   Copyright (C) 2007, 2010 Craig Edwards <brain@inspircd.org>
 *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
 *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
 *   Copyright (C) 2006 jamie <jamie@e03df62e-2008-0410-955e-edbf42e46eb7>
 *
 * 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"

/** Handle /SAJOIN
 */
class CommandSajoin : public Command
{
 public:
	CommandSajoin(Module* Creator) : Command(Creator,"SAJOIN", 1)
	{
		allow_empty_last_param = false;
		flags_needed = 'o';
		syntax = "[<nick>] <channel>[,<channel>]+";
		TRANSLATE2(TR_NICK, TR_TEXT);
	}

	CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
	{
		const unsigned int channelindex = (parameters.size() > 1) ? 1 : 0;
		if (CommandParser::LoopCall(user, this, parameters, channelindex))
			return CMD_FAILURE;

		const std::string& channel = parameters[channelindex];
		const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;

		User* dest = ServerInstance->FindNick(nickname);
		if ((dest) && (dest->registered == REG_ALL))
		{
			if (user != dest && !user->HasPrivPermission("users/sajoin-others"))
			{
				user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
				return CMD_FAILURE;
			}

			if (dest->server->IsULine())
			{
				user->WriteNumeric(ERR_NOPRIVILEGES, "Cannot use an SA command on a U-lined client");
				return CMD_FAILURE;
			}
			if (IS_LOCAL(user) && !ServerInstance->IsChannel(channel))
			{
				/* we didn't need to check this for each character ;) */
				user->WriteNotice("*** Invalid characters in channel name or name too long");
				return CMD_FAILURE;
			}

			Channel* chan = ServerInstance->FindChan(channel);
			if ((chan) && (chan->HasUser(dest)))
			{
				user->WriteRemoteNotice("*** " + dest->nick + " is already on " + channel);
				return CMD_FAILURE;
			}

			/* For local users, we call Channel::JoinUser which may create a channel and set its TS.
			 * For non-local users, we just return CMD_SUCCESS, knowing this will propagate it where it needs to be
			 * and then that server will handle the command.
			 */
			LocalUser* localuser = IS_LOCAL(dest);
			if (localuser)
			{
				chan = Channel::JoinUser(localuser, channel, true);
				if (chan)
				{
					ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
					return CMD_SUCCESS;
				}
				else
				{
					user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
					return CMD_FAILURE;
				}
			}
			else
			{
				return CMD_SUCCESS;
			}
		}
		else
		{
			user->WriteNotice("*** No such nickname: '" + nickname + "'");
			return CMD_FAILURE;
		}
	}

	RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
	{
		return ROUTE_OPT_UCAST(parameters[0]);
	}
};

class ModuleSajoin : public Module
{
	CommandSajoin cmd;
 public:
	ModuleSajoin()
		: cmd(this)
	{
	}

	Version GetVersion() CXX11_OVERRIDE
	{
		return Version("Adds the /SAJOIN command which allows server operators to force users to join one or more channels.", VF_OPTCOMMON | VF_VENDOR);
	}
};

MODULE_INIT(ModuleSajoin)