Chapril/xmpp.chapril.org-ejabberd
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Code Releases Activity

Support XEP-0085 Chat State Notifications (EJAB-961)

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SVN Revision: 2351
This commit is contained in:
Badlop 2009-06-30 19:33:09 +00:00
parent f82131af15
commit 0e19ca68b4
2 changed files with 57 additions and 26 deletions
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37
src/mod_offline.erl
View File

@ -189,7 +189,7 @@ store_packet(From, To, Packet) ->
if
(Type /= <<"error">>) and (Type /= <<"groupchat">>) and
(Type /= <<"headline">>) ->
case check_event(From, To, Packet) of
case check_event_chatstates(From, To, Packet) of
true ->
LUser = exmpp_jid:prep_node_as_list(To),
LServer = exmpp_jid:prep_domain_as_list(To),
@ -210,11 +210,21 @@ store_packet(From, To, Packet) ->
ok
end.
check_event(From, To, Packet) ->
case find_x_event(Packet#xmlel.children) of
false ->
%% Check if the packet has any content about XEP-0022 or XEP-0085
check_event_chatstates(From, To, Packet) ->
case find_x_event_chatstates(Packet#xmlel.children, {false, false, false}) of
%% There wasn't any x:event or chatstates subelements
{false, false, _} ->
true;
El ->
%% There a chatstates subelement and other stuff, but no x:event
{false, CEl, true} when CEl /= false ->
true;
%% There was only a subelement: a chatstates
{false, CEl, false} when CEl /= false ->
%% Don't allow offline storage
false;
%% There was an x:event element, and maybe also other stuff
{El, _, _} when El /= false->
case exmpp_xml:get_element(El, 'id') of
undefined ->
case exmpp_xml:get_element(El, 'offline') of
@ -240,12 +250,17 @@ check_event(From, To, Packet) ->
end
end.
find_x_event([]) ->
false;
find_x_event([#xmlel{ns = ?NS_MESSAGE_EVENT} = El | _Els]) ->
El;
find_x_event([_ | Els]) ->
find_x_event(Els).
%% Check if the packet has subelements about XEP-0022, XEP-0085 or other
find_x_event_chatstates([], Res) ->
Res;
find_x_event_chatstates([#xmlel{ns = ?NS_MESSAGE_EVENT} = El | Els], {_, B, C}) ->
find_x_event_chatstates(Els, {El, B, C});
find_x_event_chatstates([#xmlel{ns = ?NS_CHATSTATES} = El | Els], {A, _, C}) ->
find_x_event_chatstates(Els, {A, El, C});
find_x_event_chatstates([#xmlcdata{} = _ | Els], {A, B, C}) ->
find_x_event_chatstates(Els, {A, B, C});
find_x_event_chatstates([_ | Els], {A, B, _}) ->
find_x_event_chatstates(Els, {A, B, true}).
find_x_expire(_, []) ->
never;

46
src/mod_offline_odbc.erl
View File

@ -204,7 +204,7 @@ store_packet(From, To, Packet) ->
if
(Type /= <<"error">>) and (Type /= <<"groupchat">>) and
(Type /= <<"headline">>) ->
case check_event(From, To, Packet) of
case check_event_chatstates(From, To, Packet) of
true ->
LUser = exmpp_jid:prep_node_as_list(To),
TimeStamp = now(),
@ -224,41 +224,57 @@ store_packet(From, To, Packet) ->
ok
end.
check_event(From, To, Packet) ->
case find_x_event(Packet#xmlel.children) of
false ->
%% Check if the packet has any content about XEP-0022 or XEP-0085
check_event_chatstates(From, To, Packet) ->
case find_x_event_chatstates(Packet#xmlel.children, {false, false, false}) of
%% There wasn't any x:event or chatstates subelements
{false, false, _} ->
true;
El ->
%% There a chatstates subelement and other stuff, but no x:event
{false, CEl, true} when CEl /= false ->
true;
%% There was only a subelement: a chatstates
{false, CEl, false} when CEl /= false ->
%% Don't allow offline storage
false;
%% There was an x:event element, and maybe also other stuff
{El, _, _} when El /= false->
case exmpp_xml:get_element(El, 'id') of
undefined ->
case exmpp_xml:get_element(El, 'offline') of
undefined ->
true;
_ ->
ID = case exmpp_xml:get_attribute_as_list(Packet, 'id', "") of
"" ->
ID = case exmpp_stanza:get_id(Packet) of
undefined ->
#xmlel{ns = ?NS_MESSAGE_EVENT, name = 'id'};
S ->
#xmlel{ns = ?NS_MESSAGE_EVENT, name = 'id',
children = [#xmlcdata{cdata = list_to_binary(S)}]}
children = [#xmlcdata{cdata =
S}]}
end,
X = #xmlel{ns = ?NS_MESSAGE_EVENT, name = 'x', children =
[ID, #xmlel{ns = ?NS_MESSAGE_EVENT, name = 'offline'}]},
ejabberd_router:route(
To, From, exmpp_xml:set_children(Packet, [X])),
true
end;
end;
_ ->
false
end
end.
find_x_event([]) ->
false;
find_x_event([#xmlel{ns = ?NS_MESSAGE_EVENT} = El | _Els]) ->
El;
find_x_event([_ | Els]) ->
find_x_event(Els).
%% Check if the packet has subelements about XEP-0022, XEP-0085 or other
find_x_event_chatstates([], Res) ->
Res;
find_x_event_chatstates([#xmlel{ns = ?NS_MESSAGE_EVENT} = El | Els], {_, B, C}) ->
find_x_event_chatstates(Els, {El, B, C});
find_x_event_chatstates([#xmlel{ns = ?NS_CHATSTATES} = El | Els], {A, _, C}) ->
find_x_event_chatstates(Els, {A, El, C});
find_x_event_chatstates([#xmlcdata{} = _ | Els], {A, B, C}) ->
find_x_event_chatstates(Els, {A, B, C});
find_x_event_chatstates([_ | Els], {A, B, _}) ->
find_x_event_chatstates(Els, {A, B, true}).
find_x_expire(_, []) ->
never;