./ct_report/coverage/mod_sic.COVER.html

1 %%%----------------------------------------------------------------------
2 %%% File : mod_sic.erl
3 %%% Author : Karim Gemayel <karim.gemayel@process-one.net>
4 %%% Purpose : XEP-0279 Server IP Check
5 %%% Created : 6 Mar 2010 by Karim Gemayel <karim.gemayel@process-one.net>
6 %%%
7 %%%
8 %%% ejabberd, Copyright (C) 2002-2011 ProcessOne
9 %%%
10 %%% This program is free software; you can redistribute it and/or
11 %%% modify it under the terms of the GNU General Public License as
12 %%% published by the Free Software Foundation; either version 2 of the
13 %%% License, or (at your option) any later version.
14 %%%
15 %%% This program is distributed in the hope that it will be useful,
16 %%% but WITHOUT ANY WARRANTY; without even the implied warranty of
17 %%% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 %%% General Public License for more details.
19 %%%
20 %%% You should have received a copy of the GNU General Public License
21 %%% along with this program; if not, write to the Free Software
22 %%% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 %%%
24 %%%----------------------------------------------------------------------
25
26 -module(mod_sic).
27 -author('karim.gemayel@process-one.net').
28 -xep([{xep, 279}, {version, "0.2"}]).
29 -behaviour(gen_mod).
30 -behaviour(mongoose_module_metrics).
31
32 %% gen_mod callbacks
33 -export([start/2,
34 stop/1,
35 config_spec/0,
36 supported_features/0
37 ]).
38
39 %% IQ and hook handlers
40 -export([process_local_iq/5,
41 process_sm_iq/5
42 ]).
43
44 -ignore_xref([process_local_iq/5, process_sm_iq/5]).
45
46 -include("jlib.hrl").
47 -include("mongoose.hrl").
48 -include("mongoose_config_spec.hrl").
49
50 -define(NS_SIC, <<"urn:xmpp:sic:1">>).
51
52 -spec start(mongooseim:host_type(), gen_mod:module_opts()) -> ok.
53 start(HostType, #{iqdisc := IQDisc}) ->
54 399 [gen_iq_handler:add_iq_handler_for_domain(HostType, ?NS_SIC, Component, Fn, #{}, IQDisc) ||
55 399 {Component, Fn} <- iq_handlers()],
56 399 ok.
57
58 -spec stop(mongooseim:host_type()) -> ok.
59 stop(HostType) ->
60 399 [gen_iq_handler:remove_iq_handler_for_domain(HostType, ?NS_LAST, Component) ||
61 399 {Component, _Fn} <- iq_handlers()],
62 399 ok.
63
64 iq_handlers() ->
65 798 [{ejabberd_local, fun ?MODULE:process_local_iq/5},
66 {ejabberd_sm, fun ?MODULE:process_sm_iq/5}].
67
68 %%%
69 %%% config_spec
70 %%%
71
72 -spec config_spec() -> mongoose_config_spec:config_section().
73 config_spec() ->
74 202 #section{items = #{<<"iqdisc">> => mongoose_config_spec:iqdisc()},
75 defaults = #{<<"iqdisc">> => one_queue}}.
76
77 -spec supported_features() -> [atom()].
78 198 supported_features() -> [dynamic_domains].
79
80 %%%
81 %%% IQ handlers
82 %%%
83
84 -spec process_local_iq(mongoose_acc:t(), jid:jid(), jid:jid(), jlib:iq(), map())
85 -> {mongoose_acc:t(), jlib:iq()}.
86 process_local_iq(Acc, #jid{} = JID, _To,
87 #iq{type = 'get', sub_el = _SubEl} = IQ, _Extra) ->
88 
:-(
 {Acc, get_ip(JID, IQ)};
89 process_local_iq(Acc, _From, _To, #iq{type = 'set', sub_el = SubEl} = IQ, _Extra) ->
90 
:-(
 {Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:not_allowed()]}}.
91
92 -spec process_sm_iq(mongoose_acc:t(), jid:jid(), jid:jid(), jlib:iq(), map())
93 -> {mongoose_acc:t(), jlib:iq()}.
94 process_sm_iq(Acc,
95 #jid{luser = LUser, lserver = LServer} = JID,
96 #jid{luser = LUser, lserver = LServer},
97 #iq{type = 'get', sub_el = _SubEl} = IQ, _Extra) ->
98 1 {Acc, get_ip(JID, IQ)};
99 process_sm_iq(Acc, _From, _To, #iq{type = 'get', sub_el = SubEl} = IQ, _Extra) ->
100 1 {Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:forbidden()]}};
101 process_sm_iq(Acc, _From, _To, #iq{type = 'set', sub_el = SubEl} = IQ, _Extra) ->
102 
:-(
 {Acc, IQ#iq{type = error, sub_el = [SubEl, mongoose_xmpp_errors:not_allowed()]}}.
103
104 get_ip(JID, #iq{sub_el = #xmlel{} = SubEl} = IQ) ->
105 1 case ejabberd_sm:get_session_ip(JID) of
106 {IP, Port} when is_tuple(IP) ->
107 1 IQ#iq{
108 type = 'result',
109 sub_el = [
110 SubEl#xmlel{
111 children = [
112 #xmlel{name = <<"ip">>,
113 children = [#xmlcdata{content = list_to_binary(inet_parse:ntoa(IP))}]},
114 #xmlel{name = <<"port">>,
115 children = [#xmlcdata{content = integer_to_binary(Port)}]}
116 ]
117 }]};
118 _ ->
119 
:-(
 IQ#iq{
120 type = 'error',
121 sub_el = [SubEl, mongoose_xmpp_errors:internal_server_error()]
122 }
123 end.
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