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Introduce new mod_muc option: access_register

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The option is an ACL rule defining who is able to register
nicknames within the conference service. The default is `all`
(for backward compatibility).
This commit is contained in:
Evgeniy Khramtsov 2018-04-24 12:29:59 +03:00
parent ad6fcc7865
commit 6774418a7f
1 changed files with 31 additions and 14 deletions
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37
src/mod_muc.erl
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@ -476,30 +476,40 @@ process_vcard(#iq{lang = Lang} = IQ) ->
xmpp:make_error(IQ, xmpp:err_service_unavailable(Txt, Lang)).
-spec process_register(iq()) -> iq().
process_register(#iq{type = get, from = From, to = To, lang = Lang,
sub_els = [#register{}]} = IQ) ->
Host = To#jid.lserver,
ServerHost = ejabberd_router:host_of_route(Host),
xmpp:make_iq_result(IQ, iq_get_register_info(ServerHost, Host, From, Lang));
process_register(#iq{type = set, from = From, to = To,
lang = Lang, sub_els = [El = #register{}]} = IQ) ->
process_register(#iq{type = Type, from = From, to = To, lang = Lang,
sub_els = [El = #register{}]} = IQ) ->
Host = To#jid.lserver,
ServerHost = ejabberd_router:host_of_route(Host),
AccessRegister = gen_mod:get_module_opt(ServerHost, ?MODULE, access_register),
case acl:match_rule(ServerHost, AccessRegister, From) of
allow ->
case Type of
get ->
xmpp:make_iq_result(
IQ, iq_get_register_info(ServerHost, Host, From, Lang));
set ->
case process_iq_register_set(ServerHost, Host, From, El, Lang) of
{result, Result} ->
xmpp:make_iq_result(IQ, Result);
{error, Err} ->
xmpp:make_error(IQ, Err)
end
end;
deny ->
ErrText = <<"Access denied by service policy">>,
Err = xmpp:err_forbidden(ErrText, Lang),
xmpp:make_error(IQ, Err)
end.
-spec process_disco_info(iq()) -> iq().
process_disco_info(#iq{type = set, lang = Lang} = IQ) ->
Txt = <<"Value 'set' of 'type' attribute is not allowed">>,
xmpp:make_error(IQ, xmpp:err_not_allowed(Txt, Lang));
process_disco_info(#iq{type = get, to = To, lang = Lang,
process_disco_info(#iq{type = get, from = From, to = To, lang = Lang,
sub_els = [#disco_info{node = <<"">>}]} = IQ) ->
ServerHost = ejabberd_router:host_of_route(To#jid.lserver),
RMod = gen_mod:ram_db_mod(ServerHost, ?MODULE),
AccessRegister = gen_mod:get_module_opt(ServerHost, ?MODULE, access_register),
X = ejabberd_hooks:run_fold(disco_info, ServerHost, [],
[ServerHost, ?MODULE, <<"">>, Lang]),
MAMFeatures = case gen_mod:is_loaded(ServerHost, mod_mam) of
@ -510,9 +520,13 @@ process_disco_info(#iq{type = get, to = To, lang = Lang,
true -> [?NS_RSM];
false -> []
end,
RegisterFeatures = case acl:match_rule(ServerHost, AccessRegister, From) of
allow -> [?NS_REGISTER];
deny -> []
end,
Features = [?NS_DISCO_INFO, ?NS_DISCO_ITEMS,
?NS_REGISTER, ?NS_MUC, ?NS_VCARD, ?NS_MUCSUB, ?NS_MUC_UNIQUE
| RSMFeatures ++ MAMFeatures],
?NS_MUC, ?NS_VCARD, ?NS_MUCSUB, ?NS_MUC_UNIQUE
| RegisterFeatures ++ RSMFeatures ++ MAMFeatures],
Name = gen_mod:get_module_opt(ServerHost, ?MODULE, name),
Identity = #identity{category = <<"conference">>,
type = <<"text">>,
@ -862,6 +876,8 @@ mod_opt_type(access_create) ->
fun acl:access_rules_validator/1;
mod_opt_type(access_persistent) ->
fun acl:access_rules_validator/1;
mod_opt_type(access_register) ->
fun acl:access_rules_validator/1;
mod_opt_type(db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(ram_db_type) -> fun(T) -> ejabberd_config:v_db(?MODULE, T) end;
mod_opt_type(history_size) ->
@ -967,6 +983,7 @@ mod_options(Host) ->
{access_admin, none},
{access_create, all},
{access_persistent, all},
{access_register, all},
{db_type, ejabberd_config:default_db(Host, ?MODULE)},
{ram_db_type, ejabberd_config:default_ram_db(Host, ?MODULE)},
{history_size, 20},