]> git.netwichtig.de Git - user/henk/code/inspircd.git/blob - src/modules/m_sajoin.cpp
m_sajoin Abort and report if the target user is already on the channel
[user/henk/code/inspircd.git] / src / modules / m_sajoin.cpp
1 /*
2  * InspIRCd -- Internet Relay Chat Daemon
3  *
4  *   Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
5  *   Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
6  *   Copyright (C) 2004-2005, 2007 Craig Edwards <craigedwards@brainbox.cc>
7  *
8  * This file is part of InspIRCd.  InspIRCd is free software: you can
9  * redistribute it and/or modify it under the terms of the GNU General Public
10  * License as published by the Free Software Foundation, version 2.
11  *
12  * This program is distributed in the hope that it will be useful, but WITHOUT
13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
15  * details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
19  */
20
21
22 #include "inspircd.h"
23
24 /** Handle /SAJOIN
25  */
26 class CommandSajoin : public Command
27 {
28  public:
29         CommandSajoin(Module* Creator) : Command(Creator,"SAJOIN", 1)
30         {
31                 allow_empty_last_param = false;
32                 flags_needed = 'o'; Penalty = 0; syntax = "[<nick>] <channel>";
33                 TRANSLATE2(TR_NICK, TR_TEXT);
34         }
35
36         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
37         {
38                 const std::string& channel = parameters.size() > 1 ? parameters[1] : parameters[0];
39                 const std::string& nickname = parameters.size() > 1 ? parameters[0] : user->nick;
40
41                 User* dest = ServerInstance->FindNick(nickname);
42                 if ((dest) && (dest->registered == REG_ALL))
43                 {
44                         if (user != dest && !user->HasPrivPermission("users/sajoin-others", false))
45                         {
46                                 user->WriteNotice("*** You are not allowed to /SAJOIN other users (the privilege users/sajoin-others is needed to /SAJOIN others).");
47                                 return CMD_FAILURE;
48                         }
49
50                         if (dest->server->IsULine())
51                         {
52                                 user->WriteNumeric(ERR_NOPRIVILEGES, ":Cannot use an SA command on a u-lined client");
53                                 return CMD_FAILURE;
54                         }
55                         if (IS_LOCAL(user) && !ServerInstance->IsChannel(channel))
56                         {
57                                 /* we didn't need to check this for each character ;) */
58                                 user->WriteNotice("*** Invalid characters in channel name or name too long");
59                                 return CMD_FAILURE;
60                         }
61
62                         Channel* chan = ServerInstance->FindChan(channel);
63                         if ((chan) && (chan->HasUser(dest)))
64                         {
65                                 user->SendText(":" + user->server->GetName() + " NOTICE " + user->nick + " :*** " + dest->nick + " is already on " + channel);
66                                 return CMD_FAILURE;
67                         }
68
69                         /* For local users, we call Channel::JoinUser which may create a channel and set its TS.
70                          * For non-local users, we just return CMD_SUCCESS, knowing this will propagate it where it needs to be
71                          * and then that server will handle the command.
72                          */
73                         LocalUser* localuser = IS_LOCAL(dest);
74                         if (localuser)
75                         {
76                                 chan = Channel::JoinUser(localuser, channel, true);
77                                 if (chan)
78                                 {
79                                         ServerInstance->SNO->WriteGlobalSno('a', user->nick+" used SAJOIN to make "+dest->nick+" join "+channel);
80                                         return CMD_SUCCESS;
81                                 }
82                                 else
83                                 {
84                                         user->WriteNotice("*** Could not join "+dest->nick+" to "+channel);
85                                         return CMD_FAILURE;
86                                 }
87                         }
88                         else
89                         {
90                                 return CMD_SUCCESS;
91                         }
92                 }
93                 else
94                 {
95                         user->WriteNotice("*** No such nickname "+nickname);
96                         return CMD_FAILURE;
97                 }
98         }
99
100         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
101         {
102                 User* dest = ServerInstance->FindNick(parameters[0]);
103                 if (dest)
104                         return ROUTE_OPT_UCAST(dest->server);
105                 return ROUTE_LOCALONLY;
106         }
107 };
108
109 class ModuleSajoin : public Module
110 {
111         CommandSajoin cmd;
112  public:
113         ModuleSajoin()
114                 : cmd(this)
115         {
116         }
117
118         Version GetVersion() CXX11_OVERRIDE
119         {
120                 return Version("Provides command SAJOIN to allow opers to force-join users to channels", VF_OPTCOMMON | VF_VENDOR);
121         }
122 };
123
124 MODULE_INIT(ModuleSajoin)