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%% @doc Enables Jingle to SIP and SIP to Jingle translator. |
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%% @author Michal Piotrowski <michal.piotrowski@erlang-solutions.com> |
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%% |
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%%============================================================================== |
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%% Copyright 2018 Erlang Solutions Ltd. |
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%% |
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%% Licensed under the Apache License, Version 2.0 (the "License"); |
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%% you may not use this file except in compliance with the License. |
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%% You may obtain a copy of the License at |
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%% |
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%% http://www.apache.org/licenses/LICENSE-2.0 |
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%% |
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%% Unless required by applicable law or agreed to in writing, software |
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%% distributed under the License is distributed on an "AS IS" BASIS, |
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%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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%% See the License for the specific language governing permissions and |
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%% limitations under the License. |
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%%============================================================================== |
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-module(mod_jingle_sip). |
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|
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-behaviour(gen_mod). |
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-behaviour(mongoose_module_metrics). |
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|
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-include("jlib.hrl"). |
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-include("mongoose.hrl"). |
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-include("mongoose_config_spec.hrl"). |
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-include_lib("nklib/include/nklib.hrl"). |
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-include_lib("nksip/include/nksip.hrl"). |
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-include_lib("nksip/include/nksip_call.hrl"). |
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|
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-define(SERVICE, "mim_sip"). |
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|
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%% gen_mod callbacks |
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-export([start/2, stop/1, config_spec/0]). |
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|
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-export([intercept_jingle_stanza/2]). |
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|
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-export([content_to_nksip_media/1]). |
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|
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-ignore_xref([content_to_nksip_media/1, intercept_jingle_stanza/2]). |
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|
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%% this is because nksip has wrong type specs |
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-dialyzer({nowarn_function, [translate_to_sip/3, |
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get_proxy_uri/1, |
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prepare_initial_sdp/2, |
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jingle_content_to_media/1, |
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content_to_nksip_media/1]}). |
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|
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%%-------------------------------------------------------------------- |
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%% gen_mod callbacks |
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%%-------------------------------------------------------------------- |
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%% |
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|
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-spec start(jid:server(), list()) -> ok. |
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start(Host, Opts) -> |
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:-( |
start_nksip_service_or_error(Opts), |
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:-( |
mod_jingle_sip_backend:init(Host, Opts), |
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:-( |
ejabberd_hooks:add(hooks(Host)), |
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:-( |
ok. |
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|
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start_nksip_service_or_error(Opts) -> |
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:-( |
{ok, _} = application:ensure_all_started(nksip), |
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:-( |
ListenPort = gen_mod:get_opt(listen_port, Opts, 5600), |
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:-( |
NkSipBasicOpts = #{sip_listen => "sip:all:" ++ integer_to_list(ListenPort), |
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callback => jingle_sip_callbacks, |
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plugins => [nksip_outbound, nksip_100rel]}, |
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:-( |
NkSipOpts = maybe_add_udp_max_size(NkSipBasicOpts, Opts), |
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:-( |
case nksip:start(?SERVICE, NkSipOpts) of |
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{ok, _SrvID} -> |
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:-( |
ok; |
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{error, already_started} -> |
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:-( |
ok; |
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Other -> |
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:-( |
erlang:error(Other) |
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end. |
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|
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maybe_add_udp_max_size(NkSipOpts, Opts) -> |
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:-( |
case gen_mod:get_opt(udp_max_size, Opts, undefined) of |
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undefined -> |
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:-( |
NkSipOpts; |
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Size -> |
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:-( |
NkSipOpts#{sip_udp_max_size => Size} |
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end. |
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|
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-spec stop(jid:server()) -> ok. |
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stop(Host) -> |
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:-( |
ejabberd_hooks:delete(hooks(Host)), |
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:-( |
ok. |
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|
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-spec config_spec() -> mongoose_config_spec:config_section(). |
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config_spec() -> |
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146 |
#section{ |
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items = #{<<"proxy_host">> => #option{type = string, |
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validate = network_address}, |
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<<"proxy_port">> => #option{type = integer, |
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validate = port}, |
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<<"listen_port">> => #option{type = integer, |
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validate = port}, |
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<<"local_host">> => #option{type = string, |
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validate = network_address}, |
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<<"sdp_origin">> => #option{type = string, |
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validate = ip_address} |
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} |
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}. |
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hooks(Host) -> |
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:-( |
[{c2s_preprocessing_hook, Host, ?MODULE, intercept_jingle_stanza, 75}]. |
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|
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intercept_jingle_stanza(Acc, _C2SState) -> |
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:-( |
case mongoose_acc:get(hook, result, undefined, Acc) of |
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drop -> |
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:-( |
Acc; |
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_ -> |
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:-( |
maybe_iq_stanza(Acc) |
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end. |
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|
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maybe_iq_stanza(Acc) -> |
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:-( |
case mongoose_acc:stanza_name(Acc) of |
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<<"iq">> -> |
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:-( |
maybe_iq_to_other_user(Acc); |
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_ -> |
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:-( |
Acc |
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end. |
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|
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maybe_iq_to_other_user(Acc) -> |
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:-( |
#jid{luser = StanzaTo} = mongoose_acc:to_jid(Acc), |
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:-( |
#jid{luser = LUser} = mongoose_acc:get(c2s, origin_jid, Acc), |
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:-( |
case LUser of |
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StanzaTo -> |
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:-( |
QueryInfo = jlib:iq_query_info(mongoose_acc:element(Acc)), |
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:-( |
maybe_jingle_get_stanza_to_self(QueryInfo, Acc); |
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_ -> |
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:-( |
QueryInfo = jlib:iq_query_info(mongoose_acc:element(Acc)), |
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:-( |
maybe_jingle_stanza(QueryInfo, Acc) |
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end. |
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|
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maybe_jingle_stanza(#iq{xmlns = ?JINGLE_NS, sub_el = Jingle, type = set} = IQ, Acc) -> |
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:-( |
JingleAction = exml_query:attr(Jingle, <<"action">>), |
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:-( |
From = mongoose_acc:from_jid(Acc), |
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:-( |
To = mongoose_acc:to_jid(Acc), |
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:-( |
maybe_translate_to_sip(JingleAction, From, To, IQ, Acc); |
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maybe_jingle_stanza(_, Acc) -> |
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:-( |
Acc. |
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|
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maybe_jingle_get_stanza_to_self(#iq{xmlns = ?JINGLE_NS, sub_el = Jingle, type = get} = IQ, Acc) -> |
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:-( |
JingleAction = exml_query:attr(Jingle, <<"action">>), |
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:-( |
case JingleAction of |
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<<"existing-session-initiate">> -> |
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:-( |
resend_session_initiate(IQ, Acc), |
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:-( |
mongoose_acc:set(hook, result, drop, Acc); |
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_ -> |
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:-( |
Acc |
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end; |
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maybe_jingle_get_stanza_to_self(_, Acc) -> |
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:-( |
Acc. |
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|
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maybe_translate_to_sip(JingleAction, From, To, IQ, Acc) |
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when JingleAction =:= <<"session-initiate">>; |
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JingleAction =:= <<"session-accept">>; |
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JingleAction =:= <<"session-terminate">>; |
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JingleAction =:= <<"source-remove">>; |
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JingleAction =:= <<"source-add">>; |
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JingleAction =:= <<"source-update">>; |
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JingleAction =:= <<"transport-info">> -> |
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:-( |
#iq{sub_el = Jingle} = IQ, |
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:-( |
try |
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:-( |
Result = translate_to_sip(JingleAction, Jingle, Acc), |
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:-( |
route_result(Result, From, To, IQ) |
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catch Class:Error:StackTrace -> |
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:-( |
ejabberd_router:route_error_reply(To, From, Acc, mongoose_xmpp_errors:internal_server_error()), |
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:-( |
?LOG_ERROR(#{what => sip_translate_failed, acc => Acc, |
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:-( |
class => Class, reason => Error, stacktrace => StackTrace}) |
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end, |
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:-( |
mongoose_acc:set(hook, result, drop, Acc); |
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maybe_translate_to_sip(JingleAction, _, _, _, Acc) -> |
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:-( |
?LOG_WARNING(#{what => sip_unknown_action, |
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text => <<"Forwarding unknown action to SIP">>, |
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:-( |
jingle_action => JingleAction, acc => Acc}), |
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:-( |
Acc. |
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|
|
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route_result(ok, From, To, IQ) -> |
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:-( |
route_ok_result(From, To, IQ); |
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route_result({ok, _}, From, To, IQ) -> |
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:-( |
route_ok_result(From, To, IQ); |
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route_result({ok, _, _}, From, To, IQ) -> |
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:-( |
route_ok_result(From, To, IQ); |
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route_result({error, item_not_found}, From, To, IQ) -> |
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:-( |
Error = mongoose_xmpp_errors:item_not_found(), |
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:-( |
route_error_reply(From, To, IQ, Error); |
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route_result(Other, From, To, IQ) -> |
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:-( |
?LOG_WARNING(#{what => sip_unknown_result, reason => Other, iq => IQ}), |
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:-( |
Error = mongoose_xmpp_errors:internal_server_error(), |
| 192 |
:-( |
route_error_reply(From, To, IQ, Error). |
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|
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route_error_reply(From, To, IQ, Error) -> |
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:-( |
IQResult = IQ#iq{type = error, sub_el = [Error]}, |
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:-( |
Packet = jlib:replace_from_to(From, To, jlib:iq_to_xml(IQResult)), |
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:-( |
ejabberd_router:route(To, From, Packet). |
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|
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route_ok_result(From, To, IQ) -> |
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:-( |
IQResult = IQ#iq{type = result, sub_el = []}, |
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:-( |
Packet = jlib:replace_from_to(From, To, jlib:iq_to_xml(IQResult)), |
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:-( |
ejabberd_router:route(To, From, Packet). |
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|
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resend_session_initiate(#iq{sub_el = Jingle} = IQ, Acc) -> |
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:-( |
From = mongoose_acc:from_jid(Acc), |
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:-( |
To = mongoose_acc:to_jid(Acc), |
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:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
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:-( |
case mod_jingle_sip_backend:get_session_info(SID, From) of |
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{ok, Session} -> |
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:-( |
maybe_resend_session_initiate(From, To, IQ, Acc, Session); |
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_ -> |
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:-( |
ejabberd_router:route_error_reply(To, From, Acc, mongoose_xmpp_errors:item_not_found()) |
| 213 |
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end. |
| 214 |
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|
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translate_to_sip(<<"session-initiate">>, Jingle, Acc) -> |
| 216 |
:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
| 217 |
:-( |
#jid{luser = ToUser} = ToJID = jingle_sip_helper:maybe_rewrite_to_phone(Acc), |
| 218 |
:-( |
#jid{luser = FromUser} = FromJID = mongoose_acc:from_jid(Acc), |
| 219 |
:-( |
From = jid:to_binary(jid:to_lus(FromJID)), |
| 220 |
:-( |
To = jid:to_binary(jid:to_lus(ToJID)), |
| 221 |
:-( |
LServer = mongoose_acc:lserver(Acc), |
| 222 |
:-( |
SDP = prepare_initial_sdp(LServer, Jingle), |
| 223 |
:-( |
ProxyURI = get_proxy_uri(LServer), |
| 224 |
:-( |
RequestURI = list_to_binary(["sip:", ToUser, "@", ProxyURI]), |
| 225 |
:-( |
ToHeader = <<ToUser/binary, " <sip:",To/binary, ">">>, |
| 226 |
:-( |
LocalHost = gen_mod:get_module_opt(LServer, ?MODULE, local_host, "localhost"), |
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|
|
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:-( |
{async, Handle} = nksip_uac:invite(?SERVICE, RequestURI, |
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[%% Request options |
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{to, ToHeader}, |
| 231 |
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{from, <<FromUser/binary, " <sip:", From/binary, ">">>}, |
| 232 |
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{call_id, SID}, |
| 233 |
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{body, SDP}, |
| 234 |
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{local_host, LocalHost}, |
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auto_2xx_ack, |
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%% Internal options |
| 237 |
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async, |
| 238 |
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{callback, fun jingle_sip_callbacks:invite_resp_callback/1}]), |
| 239 |
:-( |
Result = mod_jingle_sip_backend:set_outgoing_request(SID, Handle, FromJID, ToJID), |
| 240 |
:-( |
{_, SrvId, DialogId, _CallId} = nksip_sipmsg:parse_handle(Handle), |
| 241 |
:-( |
?LOG_INFO(#{what => sip_session_start, |
| 242 |
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text => <<"Start SIP session with set_outgoing_request call">>, |
| 243 |
|
jingle_action => 'session-initiate', result => Result, |
| 244 |
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from_jid => From, to_jid => To, |
| 245 |
:-( |
call_id => SID, server_id => SrvId, dialog_id => DialogId}), |
| 246 |
:-( |
{ok, Handle}; |
| 247 |
|
translate_to_sip(<<"session-accept">>, Jingle, Acc) -> |
| 248 |
:-( |
LServer = mongoose_acc:lserver(Acc), |
| 249 |
:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
| 250 |
:-( |
case mod_jingle_sip_backend:get_incoming_request(SID, mongoose_acc:get(c2s, origin_jid, Acc)) of |
| 251 |
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{ok, ReqID} -> |
| 252 |
:-( |
try_to_accept_session(ReqID, Jingle, Acc, LServer, SID); |
| 253 |
|
_ -> |
| 254 |
:-( |
{error, item_not_found} |
| 255 |
|
end; |
| 256 |
|
translate_to_sip(<<"source-remove">> = Name, Jingle, Acc) -> |
| 257 |
:-( |
translate_source_change_to_sip(Name, Jingle, Acc); |
| 258 |
|
translate_to_sip(<<"source-add">> = Name, Jingle, Acc) -> |
| 259 |
:-( |
translate_source_change_to_sip(Name, Jingle, Acc); |
| 260 |
|
translate_to_sip(<<"source-update">> = Name, Jingle, Acc) -> |
| 261 |
:-( |
translate_source_change_to_sip(Name, Jingle, Acc); |
| 262 |
|
translate_to_sip(<<"transport-info">>, Jingle, Acc) -> |
| 263 |
:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
| 264 |
:-( |
SDP = make_sdp_for_ice_candidate(Jingle), |
| 265 |
:-( |
case mod_jingle_sip_backend:get_outgoing_handle(SID, mongoose_acc:get(c2s, origin_jid, Acc)) of |
| 266 |
|
{ok, undefined} -> |
| 267 |
:-( |
?LOG_ERROR(#{what => sip_missing_dialog, sid => SID, acc => Acc}), |
| 268 |
:-( |
{error, item_not_found}; |
| 269 |
|
{ok, Handle} -> |
| 270 |
:-( |
nksip_uac:info(Handle, [{content_type, <<"application/sdp">>}, |
| 271 |
|
{body, SDP}]); |
| 272 |
|
_ -> |
| 273 |
:-( |
?LOG_ERROR(#{what => missing_sip_session, sid => SID, acc => Acc}), |
| 274 |
:-( |
{error, item_not_found} |
| 275 |
|
end; |
| 276 |
|
translate_to_sip(<<"session-terminate">>, Jingle, Acc) -> |
| 277 |
:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
| 278 |
:-( |
ToJID = jingle_sip_helper:maybe_rewrite_to_phone(Acc), |
| 279 |
:-( |
From = mongoose_acc:get(c2s, origin_jid, Acc), |
| 280 |
:-( |
FromLUS = jid:to_lus(From), |
| 281 |
:-( |
ToLUS = jid:to_lus(ToJID), |
| 282 |
:-( |
case mod_jingle_sip_backend:get_session_info(SID, From) of |
| 283 |
|
{ok, Session} -> |
| 284 |
:-( |
try_to_terminate_the_session(FromLUS, ToLUS, Session); |
| 285 |
|
_ -> |
| 286 |
:-( |
{error, item_not_found} |
| 287 |
|
end. |
| 288 |
|
|
| 289 |
|
translate_source_change_to_sip(ActionName, Jingle, Acc) -> |
| 290 |
:-( |
SID = exml_query:attr(Jingle, <<"sid">>), |
| 291 |
:-( |
LServer = mongoose_acc:lserver(Acc), |
| 292 |
:-( |
#sdp{attributes = SDPAttrs} = RawSDP = prepare_initial_sdp(LServer, Jingle), |
| 293 |
|
|
| 294 |
:-( |
SDPAttrsWithActionName = [{<<"jingle-action">>, [ActionName]} |
| 295 |
|
| SDPAttrs], |
| 296 |
:-( |
SDP = RawSDP#sdp{attributes = SDPAttrsWithActionName}, |
| 297 |
|
|
| 298 |
:-( |
case mod_jingle_sip_backend:get_outgoing_handle(SID, mongoose_acc:get(c2s, origin_jid, Acc)) of |
| 299 |
|
{ok, undefined} -> |
| 300 |
:-( |
?LOG_ERROR(#{what => sip_missing_dialod, sid => SID, acc => Acc}), |
| 301 |
:-( |
{error, item_not_found}; |
| 302 |
|
{ok, Handle} -> |
| 303 |
:-( |
nksip_uac:invite(Handle, [auto_2xx_ack, {body, SDP}]); |
| 304 |
|
_ -> |
| 305 |
:-( |
?LOG_ERROR(#{what => sip_missing_session, sid => SID, acc => Acc}), |
| 306 |
:-( |
{error, item_not_found} |
| 307 |
|
end. |
| 308 |
|
|
| 309 |
|
try_to_terminate_the_session(FromLUS, ToLUS, Session) -> |
| 310 |
:-( |
case maps:get(state, Session) of |
| 311 |
|
accepted -> |
| 312 |
:-( |
DialogHandle = maps:get(dialog, Session), |
| 313 |
:-( |
Node = maps:get(node, Session), |
| 314 |
:-( |
nksip_uac_bye(Node, DialogHandle, [{to, make_user_header(ToLUS)}, |
| 315 |
|
{from, make_user_header(FromLUS)}]); |
| 316 |
|
_ -> |
| 317 |
:-( |
RequestHandle = maps:get(request, Session), |
| 318 |
:-( |
case maps:get(direction, Session) of |
| 319 |
|
out -> |
| 320 |
:-( |
nksip_uac:cancel(RequestHandle, [{to, make_user_header(ToLUS)}, |
| 321 |
|
{from, make_user_header(FromLUS)}]); |
| 322 |
|
in -> |
| 323 |
|
%% When reject incoming invite we need to reply with an error code |
| 324 |
:-( |
Node = maps:get(node, Session), |
| 325 |
:-( |
nksip_request_reply(busy, {Node, RequestHandle}) |
| 326 |
|
end |
| 327 |
|
end. |
| 328 |
|
|
| 329 |
|
try_to_accept_session(ReqID, Jingle, Acc, Server, SID) -> |
| 330 |
:-( |
SDP = prepare_initial_sdp(Server, Jingle), |
| 331 |
:-( |
LocalHost = gen_mod:get_module_opt(Server, ?MODULE, local_host, "localhost"), |
| 332 |
:-( |
case nksip_request_reply({ok, [{body, SDP}, {local_host, LocalHost}]}, ReqID) of |
| 333 |
|
ok -> |
| 334 |
:-( |
ok = mod_jingle_sip_backend:set_incoming_accepted(SID), |
| 335 |
:-( |
terminate_session_on_other_devices(SID, Acc), |
| 336 |
:-( |
ok; |
| 337 |
|
Other -> |
| 338 |
:-( |
Other |
| 339 |
|
end. |
| 340 |
|
|
| 341 |
|
terminate_session_on_other_devices(SID, Acc) -> |
| 342 |
:-( |
#jid{lresource = Res} = From = mongoose_acc:from_jid(Acc), |
| 343 |
:-( |
FromBin = jid:to_binary(From), |
| 344 |
:-( |
ReasonEl = #xmlel{name = <<"reason">>, |
| 345 |
|
children = [#xmlel{name = <<"cancel">>}]}, |
| 346 |
:-( |
JingleEl = jingle_sip_helper:jingle_element(SID, <<"session-terminate">>, [ReasonEl]), |
| 347 |
:-( |
PResources = ejabberd_sm:get_user_present_resources(From), |
| 348 |
:-( |
lists:foreach( |
| 349 |
|
fun({_, R}) when R /= Res -> |
| 350 |
:-( |
ToJID = jid:replace_resource(From, R), |
| 351 |
:-( |
IQEl = jingle_sip_helper:jingle_iq(jid:to_binary(ToJID), FromBin, JingleEl), |
| 352 |
:-( |
ejabberd_router:route(From, ToJID, Acc, IQEl); |
| 353 |
|
(_) -> |
| 354 |
:-( |
skip |
| 355 |
|
end, PResources). |
| 356 |
|
|
| 357 |
|
make_user_header({User, _} = US) -> |
| 358 |
:-( |
JIDBin = jid:to_binary(US), |
| 359 |
:-( |
<<User/binary, " <sip:", JIDBin/binary, ">">>. |
| 360 |
|
|
| 361 |
|
|
| 362 |
|
get_proxy_uri(Server) -> |
| 363 |
:-( |
ProxyHost = gen_mod:get_module_opt(Server, ?MODULE, proxy_host, "localhost"), |
| 364 |
:-( |
ProxyPort = gen_mod:get_module_opt(Server, ?MODULE, proxy_port, 5060), |
| 365 |
:-( |
Transport = gen_mod:get_module_opt(Server, ?MODULE, transport, "udp"), |
| 366 |
:-( |
PortStr = integer_to_list(ProxyPort), |
| 367 |
:-( |
[ProxyHost, ":", PortStr, ";transport=", Transport]. |
| 368 |
|
|
| 369 |
|
make_sdp_for_ice_candidate(#xmlel{children = Children}) -> |
| 370 |
:-( |
Content = parse_content(Children, []), |
| 371 |
:-( |
list_to_binary(Content). |
| 372 |
|
|
| 373 |
|
parse_content([], Acc) -> |
| 374 |
:-( |
Acc; |
| 375 |
|
parse_content([#xmlel{name = <<"content">>} = Content | Rest], Acc) -> |
| 376 |
:-( |
SDPCandidate = parse_content(Content), |
| 377 |
:-( |
NewAcc = [SDPCandidate | Acc], |
| 378 |
:-( |
parse_content(Rest, NewAcc). |
| 379 |
|
|
| 380 |
|
parse_content(Content) -> |
| 381 |
:-( |
Name = exml_query:attr(Content, <<"name">>), |
| 382 |
:-( |
MediaLine = [<<"m=">>, Name, <<"9 RTP/AVP 0">>, <<"\r\n">>, |
| 383 |
|
<<"a=mid:1\r\n">>], |
| 384 |
:-( |
Transport = jingle_to_sdp:parse_transport_element(exml_query:subelement(Content, <<"transport">>)), |
| 385 |
:-( |
IceParamsLine = [<<"a=ice-pwd:">>, maps:get(pwd, Transport), <<"\r\n">>, |
| 386 |
|
<<"a=ice-ufrag:">>, maps:get(ufrag, Transport), <<"\r\n">>], |
| 387 |
:-( |
Candidates = [candidate_to_sdp_line(Candidate) || Candidate <- maps:get(candidates, Transport)], |
| 388 |
:-( |
[IceParamsLine, MediaLine, Candidates]. |
| 389 |
|
|
| 390 |
|
candidate_to_sdp_line(Candidate) -> |
| 391 |
:-( |
OptionalArgs = [generation, tcptype, raddr, rport], |
| 392 |
:-( |
ExtraArgs = [map_field_to_candidate_arg(Field, Candidate) || Field <- OptionalArgs], |
| 393 |
:-( |
[<<"a=candidate: ">>, |
| 394 |
|
maps:get(foundation, Candidate), " ", |
| 395 |
|
maps:get(component, Candidate), " ", |
| 396 |
|
maps:get(protocol, Candidate), " ", |
| 397 |
|
maps:get(priority, Candidate), " ", |
| 398 |
|
maps:get(ip, Candidate), " ", |
| 399 |
|
maps:get(port, Candidate), " ", |
| 400 |
|
"typ ", maps:get(type, Candidate), |
| 401 |
|
ExtraArgs, |
| 402 |
|
<<"\r\n">>]. |
| 403 |
|
|
| 404 |
|
map_field_to_candidate_arg(Field, Map) -> |
| 405 |
:-( |
case maps:find(Field, Map) of |
| 406 |
|
{ok, Value} -> |
| 407 |
:-( |
[" ", atom_to_binary(Field, utf8), " ", Value]; |
| 408 |
|
_ -> |
| 409 |
:-( |
[] |
| 410 |
|
end. |
| 411 |
|
|
| 412 |
|
prepare_initial_sdp(Server, Jingle) -> |
| 413 |
:-( |
Medias = [jingle_content_to_media(Content) || |
| 414 |
:-( |
Content <- exml_query:subelements(Jingle, <<"content">>)], |
| 415 |
|
|
| 416 |
:-( |
GroupingAttrs = add_group_attr_from_jingle(Jingle, []), |
| 417 |
|
|
| 418 |
:-( |
OriginAddress = gen_mod:get_module_opt(Server, ?MODULE, sdp_origin, "127.0.0.1"), |
| 419 |
:-( |
SDP = nksip_sdp:new(OriginAddress, []), |
| 420 |
:-( |
SDP#sdp{medias = Medias, |
| 421 |
|
attributes = GroupingAttrs}. |
| 422 |
|
|
| 423 |
|
jingle_content_to_media(ContentEl) -> |
| 424 |
:-( |
Content = jingle_to_sdp:from_media(ContentEl), |
| 425 |
:-( |
content_to_nksip_media(Content). |
| 426 |
|
|
| 427 |
|
content_to_nksip_media(Content) -> |
| 428 |
:-( |
{FMTS, DescAttrs} = description_to_nksip_attrs(maps:get(description, Content)), |
| 429 |
:-( |
TransportAttrs = transport_to_nksip_attrs(maps:get(transport, Content), DescAttrs), |
| 430 |
:-( |
AttrsWithMediaName = add_media_name_attr(maps:get(name, Content), TransportAttrs), |
| 431 |
:-( |
AttrsWithSender = add_sender_attr(maps:get(senders, Content), AttrsWithMediaName), |
| 432 |
|
|
| 433 |
:-( |
#sdp_m{media = maps:get(media, Content), |
| 434 |
|
port = 1024 + rand:uniform(1024), |
| 435 |
|
proto = maps:get(protocol, Content), |
| 436 |
|
fmt = FMTS, |
| 437 |
|
attributes = AttrsWithSender}. |
| 438 |
|
|
| 439 |
|
description_to_nksip_attrs(Desc) -> |
| 440 |
:-( |
AttrsWithSSRC = sources_to_nksip_attrs(maps:get(sources, Desc)), |
| 441 |
:-( |
{FMTS, CodecAttrs} = codecs_to_nksip_attrs(maps:get(codecs, Desc), AttrsWithSSRC), |
| 442 |
:-( |
AttrsWithRTPHeaderExt = add_rtp_header_ext(maps:get(rtphdr_ext, Desc), CodecAttrs), |
| 443 |
:-( |
AttrsWithRTCPMUX = add_rtcp_mux(Desc, AttrsWithRTPHeaderExt), |
| 444 |
|
|
| 445 |
:-( |
{FMTS, AttrsWithRTCPMUX}. |
| 446 |
|
|
| 447 |
|
sources_to_nksip_attrs(Sources) -> |
| 448 |
:-( |
lists:flatmap(fun source_to_nksip_attr/1, Sources). |
| 449 |
|
|
| 450 |
|
source_to_nksip_attr({ID, KeyValues}) -> |
| 451 |
:-( |
[{<<"ssrc">>, [ID, source_to_nksip_value(Name, Value)]} || {Name, Value} <- KeyValues]. |
| 452 |
|
|
| 453 |
|
source_to_nksip_value(Name, Value) -> |
| 454 |
:-( |
<<Name/binary, $:, Value/binary>>. |
| 455 |
|
|
| 456 |
|
codecs_to_nksip_attrs(Codecs, Attrs) -> |
| 457 |
:-( |
codecs_to_nksip_attrs2(Codecs, {[], Attrs}). |
| 458 |
|
|
| 459 |
|
codecs_to_nksip_attrs2([], Acc) -> |
| 460 |
:-( |
Acc; |
| 461 |
|
codecs_to_nksip_attrs2([Codec | Rest], {FMTS, Attrs}) -> |
| 462 |
:-( |
ID = maps:get(id, Codec), |
| 463 |
:-( |
NewFMTS = [ID | FMTS], |
| 464 |
:-( |
RTCPFBAttrs = [rtcp_fb_param_to_attr(ID, Param) || Param <- maps:get(rtcp_fb_params, Codec)], |
| 465 |
:-( |
AttrsWithFMTPParams = maybe_add_fmtp_attr(ID, maps:get(params, Codec), RTCPFBAttrs), |
| 466 |
:-( |
RTPMapValue = prepare_rtp_map(maps:get(name, Codec), maps:get(clock_rate, Codec), maps:get(channels, Codec)), |
| 467 |
:-( |
RTPAttr = {<<"rtpmap">>, [ID, RTPMapValue]}, |
| 468 |
:-( |
CodecAttrs = [RTPAttr | AttrsWithFMTPParams], |
| 469 |
|
|
| 470 |
:-( |
codecs_to_nksip_attrs2(Rest, {NewFMTS, lists:append(CodecAttrs, Attrs)}). |
| 471 |
|
|
| 472 |
|
rtcp_fb_param_to_attr(ID, RTCPParam) -> |
| 473 |
:-( |
{<<"rtcp-fb">>, [ID | RTCPParam]}. |
| 474 |
|
|
| 475 |
|
maybe_add_fmtp_attr(_ID, [], RTCPParams) -> |
| 476 |
:-( |
RTCPParams; |
| 477 |
|
maybe_add_fmtp_attr(ID, Params, RTCPParams) -> |
| 478 |
:-( |
KV = [basic_parameter_to_fmtp_value(Param) || Param <- Params], |
| 479 |
:-( |
Joined = lists:join($;, KV), |
| 480 |
:-( |
FMTPValue = list_to_binary(Joined), |
| 481 |
:-( |
[{<<"fmtp">>, [ID, FMTPValue]} | RTCPParams]. |
| 482 |
|
|
| 483 |
|
basic_parameter_to_fmtp_value({undefined, Value}) -> |
| 484 |
:-( |
Value; |
| 485 |
|
basic_parameter_to_fmtp_value({Name, Value}) -> |
| 486 |
:-( |
<<Name/binary, $=, Value/binary>>. |
| 487 |
|
|
| 488 |
|
prepare_rtp_map(Name, ClockRate, <<"1">>) -> |
| 489 |
:-( |
<<Name/binary, $/, ClockRate/binary>>; |
| 490 |
|
prepare_rtp_map(Name, ClockRate, Channels) -> |
| 491 |
:-( |
<<Name/binary, $/, ClockRate/binary, $/, Channels/binary>>. |
| 492 |
|
|
| 493 |
|
add_rtp_header_ext(RTPHdrExts, Attrs) -> |
| 494 |
:-( |
RTPHdrextAttrs = [rtp_hdrext_to_sdp_attr(RTPHdrExt) || RTPHdrExt <- RTPHdrExts], |
| 495 |
:-( |
lists:append(RTPHdrextAttrs, Attrs). |
| 496 |
|
|
| 497 |
|
rtp_hdrext_to_sdp_attr({ID, URI, Senders}) -> |
| 498 |
:-( |
{<<"extmap">>, rtp_hdrext_value(ID, URI, Senders)}. |
| 499 |
|
|
| 500 |
|
rtp_hdrext_value(ID, URI, <<"sendrecv">>) -> |
| 501 |
:-( |
[ID, URI]; |
| 502 |
|
rtp_hdrext_value(ID, URI, Sender) -> |
| 503 |
:-( |
[<<ID/binary, $/, Sender/binary>>, URI]. |
| 504 |
|
|
| 505 |
|
add_rtcp_mux(#{rtcp_mux := true}, Attrs) -> |
| 506 |
:-( |
[{<<"rtcp-mux">>, []} | Attrs]; |
| 507 |
|
add_rtcp_mux(_, Attrs) -> |
| 508 |
:-( |
Attrs. |
| 509 |
|
|
| 510 |
|
transport_to_nksip_attrs(Transport, Attrs) -> |
| 511 |
:-( |
AttrsWithUfrag = maybe_add_ice_ufrag_attr(maps:get(ufrag, Transport), Attrs), |
| 512 |
:-( |
AttrsWithPwd = maybe_add_ice_pwd_attr(maps:get(pwd, Transport), AttrsWithUfrag), |
| 513 |
:-( |
maybe_add_fingerprint(maps:get(fingerprint, Transport), AttrsWithPwd). |
| 514 |
|
|
| 515 |
|
maybe_add_fingerprint({Hash, Setup, Fingerprint}, Attrs) -> |
| 516 |
:-( |
AttrsWithFingerprint = [{<<"fingerprint">>, [Hash, Fingerprint]} | Attrs], |
| 517 |
:-( |
case Setup of |
| 518 |
|
undefined -> |
| 519 |
:-( |
AttrsWithFingerprint; |
| 520 |
|
_ -> |
| 521 |
:-( |
[{<<"setup">>, [Setup]} | AttrsWithFingerprint] |
| 522 |
|
end; |
| 523 |
|
maybe_add_fingerprint(_, Attrs) -> |
| 524 |
:-( |
Attrs. |
| 525 |
|
|
| 526 |
|
maybe_add_ice_ufrag_attr(undefined, Attrs) -> |
| 527 |
:-( |
Attrs; |
| 528 |
|
maybe_add_ice_ufrag_attr(Ufrag, Attrs) -> |
| 529 |
:-( |
[{<<"ice-ufrag">>, [Ufrag]} | Attrs]. |
| 530 |
|
|
| 531 |
|
maybe_add_ice_pwd_attr(undefined, Attrs) -> |
| 532 |
:-( |
Attrs; |
| 533 |
|
maybe_add_ice_pwd_attr(Pwd, Attrs) -> |
| 534 |
:-( |
[{<<"ice-pwd">>, [Pwd]} | Attrs]. |
| 535 |
|
|
| 536 |
|
add_media_name_attr(Name, Attrs) -> |
| 537 |
:-( |
[{<<"mid">>, [Name]} | Attrs]. |
| 538 |
|
|
| 539 |
|
add_sender_attr(Sender, Attrs) -> |
| 540 |
:-( |
[{Sender, []} | Attrs]. |
| 541 |
|
|
| 542 |
|
add_group_attr_from_jingle(Jingle, Attrs) -> |
| 543 |
:-( |
case exml_query:subelement(Jingle, <<"group">>) of |
| 544 |
|
#xmlel{} = El -> |
| 545 |
:-( |
Attr = make_group_attr(El), |
| 546 |
:-( |
[Attr | Attrs]; |
| 547 |
|
_ -> |
| 548 |
:-( |
Attrs |
| 549 |
|
end. |
| 550 |
|
|
| 551 |
|
make_group_attr(#xmlel{children = Children} = Group) -> |
| 552 |
:-( |
Semantic = exml_query:attr(Group, <<"semantics">>), |
| 553 |
:-( |
Contents = [exml_query:attr(Content, <<"name">>) || Content <- Children], |
| 554 |
|
|
| 555 |
:-( |
{<<"group">>, [Semantic | Contents]}. |
| 556 |
|
|
| 557 |
|
maybe_resend_session_initiate(From, To, IQ, Acc, |
| 558 |
|
#{meta := Meta, from := OriginFrom}) -> |
| 559 |
:-( |
case maps:get(init_stanza, Meta, undefined) of |
| 560 |
|
undefined -> |
| 561 |
:-( |
Error = mongoose_xmpp_errors:item_not_found(<<"en">>, |
| 562 |
|
<<"no session-initiate for this SID">>), |
| 563 |
:-( |
ejabberd_router:route_error_reply(To, From, Acc, Error); |
| 564 |
|
Stanza -> |
| 565 |
:-( |
IQResult = IQ#iq{type = result, sub_el = []}, |
| 566 |
:-( |
Packet = jlib:replace_from_to(From, To, jlib:iq_to_xml(IQResult)), |
| 567 |
:-( |
ejabberd_router:route(To, From, Acc, Packet), |
| 568 |
:-( |
OriginFromBin = jid:to_binary(OriginFrom), |
| 569 |
:-( |
IQSet = jingle_sip_helper:jingle_iq(jid:to_binary(From), OriginFromBin, |
| 570 |
|
Stanza), |
| 571 |
:-( |
{U, S} = OriginFrom, |
| 572 |
:-( |
OriginJID = jid:make_noprep(U, S, <<>>), |
| 573 |
:-( |
ejabberd_router:route(OriginJID, From, Acc, IQSet) |
| 574 |
|
end. |
| 575 |
|
|
| 576 |
|
nksip_request_reply(Reply, {Node, ReqID}) -> |
| 577 |
:-( |
case node() of |
| 578 |
|
Node -> |
| 579 |
:-( |
nksip_request:reply(Reply, ReqID); |
| 580 |
|
_ -> |
| 581 |
:-( |
rpc:call(Node, nksip_request, reply, [Reply, ReqID], timer:seconds(5)) |
| 582 |
|
end. |
| 583 |
|
|
| 584 |
|
nksip_uac_bye(Node, DialogHandle, Args) -> |
| 585 |
:-( |
case node() of |
| 586 |
|
Node -> |
| 587 |
:-( |
nksip_uac:bye(DialogHandle, Args); |
| 588 |
|
_ -> |
| 589 |
:-( |
rpc:call(Node, nksip_uac, bye, [DialogHandle, Args], timer:seconds(5)) |
| 590 |
|
end. |
| 591 |
|
|