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mirror of https://github.com/processone/ejabberd.git synced 2024-12-24 17:29:28 +01:00

Use xmpp_util.erl from XMPP library

This commit is contained in:
Evgeniy Khramtsov 2016-11-19 13:57:25 +03:00
parent de7a143a2c
commit 13c6039700
2 changed files with 1 additions and 170 deletions

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@ -13,7 +13,7 @@
{fast_tls, ".*", {git, "https://github.com/processone/fast_tls", {tag, "1.0.7"}}},
{stringprep, ".*", {git, "https://github.com/processone/stringprep", {tag, "1.0.6"}}},
{fast_xml, ".*", {git, "https://github.com/processone/fast_xml", {tag, "1.1.16"}}},
{xmpp, ".*", {git, "https://github.com/processone/xmpp", {tag, "1.0.2"}}},
{xmpp, ".*", {git, "https://github.com/processone/xmpp", {tag, "1.0.3"}}},
{stun, ".*", {git, "https://github.com/processone/stun", {tag, "1.0.7"}}},
{esip, ".*", {git, "https://github.com/processone/esip", {tag, "1.0.8"}}},
{fast_yaml, ".*", {git, "https://github.com/processone/fast_yaml", {tag, "1.0.6"}}},

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@ -1,169 +0,0 @@
%%%-------------------------------------------------------------------
%%% @author Evgeny Khramtsov <ekhramtsov@process-one.net>
%%% @copyright (C) 2016, Evgeny Khramtsov
%%% @doc
%%%
%%% @end
%%% Created : 12 Jul 2016 by Evgeny Khramtsov <ekhramtsov@process-one.net>
%%%-------------------------------------------------------------------
-module(xmpp_util).
%% API
-export([add_delay_info/3, add_delay_info/4, unwrap_carbon/1,
is_standalone_chat_state/1, get_xdata_values/2,
set_xdata_field/2, has_xdata_var/2,
make_adhoc_response/1, make_adhoc_response/2,
decode_timestamp/1, encode_timestamp/1]).
-include("xmpp.hrl").
%%%===================================================================
%%% API
%%%===================================================================
-spec add_delay_info(stanza(), jid(), erlang:timestamp()) -> stanza().
add_delay_info(Stz, From, Time) ->
add_delay_info(Stz, From, Time, <<"">>).
-spec add_delay_info(stanza(), jid(),
erlang:timestamp(), binary()) -> stanza().
add_delay_info(Stz, From, Time, Desc) ->
NewDelay = #delay{stamp = Time, from = From, desc = Desc},
case xmpp:get_subtag(Stz, #delay{}) of
#delay{from = OldFrom} ->
case jid:tolower(From) == jid:tolower(OldFrom) of
false ->
xmpp:set_subtag(Stz, NewDelay);
true ->
xmpp:append_subtags(Stz, [NewDelay])
end;
false ->
xmpp:append_subtags(Stz, [NewDelay])
end.
-spec unwrap_carbon(stanza()) -> xmpp_element().
unwrap_carbon(#message{} = Msg) ->
try
case xmpp:get_subtag(Msg, #carbons_sent{}) of
#carbons_sent{forwarded = #forwarded{xml_els = [El]}} ->
xmpp:decode(El, ?NS_CLIENT, [ignore_els]);
_ ->
case xmpp:get_subtag(Msg, #carbons_received{}) of
#carbons_received{forwarded = #forwarded{xml_els = [El]}} ->
xmpp:decode(El, ?NS_CLIENT, [ignore_els]);
_ ->
Msg
end
end
catch _:{xmpp_codec, _} ->
Msg
end;
unwrap_carbon(Stanza) -> Stanza.
-spec is_standalone_chat_state(stanza()) -> boolean().
is_standalone_chat_state(Stanza) ->
case unwrap_carbon(Stanza) of
#message{body = [], subject = [], sub_els = Els} ->
IgnoreNS = [?NS_CHATSTATES, ?NS_DELAY, ?NS_EVENT],
Stripped = [El || El <- Els,
not lists:member(xmpp:get_ns(El), IgnoreNS)],
Stripped == [];
_ ->
false
end.
-spec get_xdata_values(binary(), xdata()) -> [binary()].
get_xdata_values(Var, #xdata{fields = Fields}) ->
case lists:keyfind(Var, #xdata_field.var, Fields) of
#xdata_field{values = Vals} -> Vals;
false -> []
end.
-spec set_xdata_field(xdata_field(), xdata()) -> xdata().
set_xdata_field(Field, #xdata{fields = Fields} = X) ->
NewFields = lists:keystore(Field#xdata_field.var, #xdata_field.var,
Fields, Field),
X#xdata{fields = NewFields}.
-spec has_xdata_var(binary(), xdata()) -> boolean().
has_xdata_var(Var, #xdata{fields = Fields}) ->
lists:keymember(Var, #xdata_field.var, Fields).
-spec make_adhoc_response(adhoc_command(), adhoc_command()) -> adhoc_command().
make_adhoc_response(#adhoc_command{lang = Lang, node = Node, sid = SID},
Command) ->
make_adhoc_response(
Command#adhoc_command{lang = Lang, node = Node, sid = SID}).
-spec make_adhoc_response(adhoc_command()) -> adhoc_command().
make_adhoc_response(#adhoc_command{sid = <<"">>,
status = Status,
actions = Actions} = Command) ->
SID = encode_timestamp(p1_time_compat:timestamp()),
NewActions = if Actions == undefined, Status /= completed ->
#adhoc_actions{execute = complete, complete = true};
true ->
undefined
end,
Command#adhoc_command{sid = SID, actions = NewActions};
make_adhoc_response(Command) ->
Command.
-spec decode_timestamp(binary()) -> erlang:timestamp().
decode_timestamp(S) ->
try try_decode_timestamp(S)
catch _:_ -> erlang:error({bad_timestamp, S})
end.
-spec encode_timestamp(erlang:timestamp()) -> binary().
encode_timestamp({MegaSecs, Secs, MicroSecs}) ->
{{Year, Month, Day}, {Hour, Minute, Second}} =
calendar:now_to_universal_time({MegaSecs, Secs, MicroSecs}),
Fraction = if MicroSecs > 0 ->
io_lib:format(".~6..0B", [MicroSecs]);
true ->
""
end,
list_to_binary(io_lib:format("~4..0B-~2..0B-~2..0BT"
"~2..0B:~2..0B:~2..0B~sZ",
[Year, Month, Day, Hour, Minute, Second,
Fraction])).
%%%===================================================================
%%% Internal functions
%%%===================================================================
try_decode_timestamp(<<Y:4/binary, $-, Mo:2/binary, $-, D:2/binary, $T,
H:2/binary, $:, Mi:2/binary, $:, S:2/binary, T/binary>>) ->
Date = {to_integer(Y, 1970, 9999), to_integer(Mo, 1, 12), to_integer(D, 1, 31)},
Time = {to_integer(H, 0, 23), to_integer(Mi, 0, 59), to_integer(S, 0, 59)},
{MS, {TZH, TZM}} = try_decode_fraction(T),
Seconds = calendar:datetime_to_gregorian_seconds({Date, Time}) -
calendar:datetime_to_gregorian_seconds({{1970,1,1}, {0,0,0}}) -
TZH * 60 * 60 - TZM * 60,
{Seconds div 1000000, Seconds rem 1000000, MS};
try_decode_timestamp(<<Y:4/binary, Mo:2/binary, D:2/binary, $T,
H:2/binary, $:, Mi:2/binary, $:, S:2/binary>>) ->
try_decode_timestamp(<<Y:4/binary, $-, Mo:2/binary, $-, D:2/binary, $T,
H:2/binary, $:, Mi:2/binary, $:, S:2/binary, $Z>>).
try_decode_fraction(<<$., T/binary>>) ->
{match, [V]} = re:run(T, <<"^[0-9]+">>, [{capture, [0], list}]),
Size = length(V),
<<_:Size/binary, TZD/binary>> = T,
{list_to_integer(string:left(V, 6, $0)),
try_decode_tzd(TZD)};
try_decode_fraction(TZD) ->
{0, try_decode_tzd(TZD)}.
try_decode_tzd(<<$Z>>) ->
{0, 0};
try_decode_tzd(<<$-, H:2/binary, $:, M:2/binary>>) ->
{-1 * to_integer(H, 0, 12), to_integer(M, 0, 59)};
try_decode_tzd(<<$+, H:2/binary, $:, M:2/binary>>) ->
{to_integer(H, 0, 12), to_integer(M, 0, 59)}.
to_integer(S, Min, Max) ->
case binary_to_integer(S) of
I when I >= Min, I =< Max ->
I
end.