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xmpp.chapril.org-ejabberd
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fix headers (EJAB-1091), (EJAB-1092), (EJAB-1093) (thanks to Karim Gemayel) 

SVN Revision: 2876
This commit is contained in:
Christophe Romain 2010-01-12 10:33:39 +00:00
parent 4f643ce9b8
commit e7a8bf6154
1 changed files with 79 additions and 25 deletions
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104
src/mod_pubsub/mod_pubsub.erl
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@ -86,7 +86,7 @@
get_items/2,
get_item/3,
get_cached_item/2,
broadcast_stanza/8,
broadcast_stanza/9,
get_configure/5,
set_configure/5,
tree_action/3,
@ -2936,7 +2936,7 @@ broadcast_publish_item(Host, Node, NodeId, Type, NodeOptions, Removed, ItemId, _
[{xmlelement, "items", nodeAttr(Node),
[{xmlelement, "item", itemAttr(ItemId), Content}]}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth, items, Stanza),
NodeOptions, SubsByDepth, items, Stanza, true),
case Removed of
[] ->
ok;
@ -2948,7 +2948,7 @@ broadcast_publish_item(Host, Node, NodeId, Type, NodeOptions, Removed, ItemId, _
[{xmlelement, "retract", itemAttr(RId), []} || RId <- Removed]}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth,
items, RetractStanza);
items, RetractStanza, true);
_ ->
ok
end
@ -2972,7 +2972,7 @@ broadcast_retract_items(Host, Node, NodeId, Type, NodeOptions, ItemIds, ForceNot
[{xmlelement, "items", nodeAttr(Node),
[{xmlelement, "retract", itemAttr(ItemId), []} || ItemId <- ItemIds]}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth, items, Stanza),
NodeOptions, SubsByDepth, items, Stanza, true),
{result, true};
_ ->
{result, false}
@ -2991,7 +2991,7 @@ broadcast_purge_node(Host, Node, NodeId, Type, NodeOptions) ->
[{xmlelement, "purge", nodeAttr(Node),
[]}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth, nodes, Stanza),
NodeOptions, SubsByDepth, nodes, Stanza, false),
{result, true};
_ ->
{result, false}
@ -3012,7 +3012,7 @@ broadcast_removed_node(Host, Node, NodeId, Type, NodeOptions, SubsByDepth) ->
[{xmlelement, "delete", nodeAttr(Node),
[]}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth, nodes, Stanza),
NodeOptions, SubsByDepth, nodes, Stanza, false),
{result, true}
end;
_ ->
@ -3035,7 +3035,7 @@ broadcast_config_notification(Host, Node, NodeId, Type, NodeOptions, Lang) ->
Stanza = event_stanza(
[{xmlelement, "configuration", nodeAttr(Node), Content}]),
broadcast_stanza(Host, Node, NodeId, Type,
NodeOptions, SubsByDepth, nodes, Stanza),
NodeOptions, SubsByDepth, nodes, Stanza, false),
{result, true};
_ ->
{result, false}
@ -3091,7 +3091,7 @@ get_options_for_subs(NodeID, Subs) ->
% {result, false}
% end
broadcast_stanza(Host, Node, _NodeId, _Type, NodeOptions, SubsByDepth, NotifyType, BaseStanza) ->
broadcast_stanza(Host, Node, _NodeId, _Type, NodeOptions, SubsByDepth, NotifyType, BaseStanza, SHIM) ->
NotificationType = get_option(NodeOptions, notification_type, headline),
BroadcastAll = get_option(NodeOptions, broadcast_all_resources), %% XXX this is not standard, but usefull
From = service_jid(Host),
@ -3100,8 +3100,8 @@ broadcast_stanza(Host, Node, _NodeId, _Type, NodeOptions, SubsByDepth, NotifyTyp
MsgType -> add_message_type(BaseStanza, atom_to_list(MsgType))
end,
%% Handles explicit subscriptions
NodesByJID = subscribed_nodes_by_jid(NotifyType, SubsByDepth),
lists:foreach(fun ({LJID, Nodes}) ->
SubIDsByJID = subscribed_nodes_by_jid(NotifyType, SubsByDepth),
lists:foreach(fun ({LJID, SubIDs}) ->
LJIDs = case BroadcastAll of
true ->
{U, S, _} = LJID,
@ -3109,11 +3109,18 @@ broadcast_stanza(Host, Node, _NodeId, _Type, NodeOptions, SubsByDepth, NotifyTyp
false ->
[LJID]
end,
SHIMStanza = add_headers(Stanza, collection_shim(Node, Nodes)),
%% Determine if the stanza should have SHIM ('SubID' and 'name') headers
StanzaToSend = case SHIM of
true ->
Headers = lists:append(collection_shim(Node), subid_shim(SubIDs)),
add_headers(Stanza, Headers);
false ->
Stanza
end,
lists:foreach(fun(To) ->
ejabberd_router:route(From, jlib:make_jid(To), SHIMStanza)
ejabberd_router:route(From, jlib:make_jid(To), StanzaToSend)
end, LJIDs)
end, NodesByJID),
end, SubIDsByJID),
%% Handles implicit presence subscriptions
case Host of
{LUser, LServer, LResource} ->
@ -3168,21 +3175,44 @@ subscribed_nodes_by_jid(NotifyType, SubsByDepth) ->
Other -> Other
end,
NodeOptions = Node#pubsub_node.options,
lists:foldl(fun({LJID, _SubID, SubOptions}, Acc2) ->
case is_to_deliver(LJID, NotifyType, Depth,
NodeOptions, SubOptions) of
true -> [{LJID, NodeId}|Acc2];
false -> Acc2
end
end, Acc, Subs)
lists:foldl(
fun({LJID, SubID, SubOptions}, {JIDs, Recipients} = Acc) ->
case is_to_deliver(LJID, NotifyType, Depth, NodeOptions, SubOptions) of
true ->
%% If is to deliver :
case lists:member(LJID, JIDs) of
%% check if the JIDs co-accumulator contains the Subscription Jid,
false ->
%% - if not,
%% - add the Jid to JIDs list co-accumulator ;
%% - create a tuple of the Jid, NodeId, and SubID (as list),
%% and add the tuple to the Recipients list co-accumulator
{[LJID | JIDs], [{LJID, [SubID]} | Recipients]};
true ->
%% - if the JIDs co-accumulator contains the Jid
%% get the tuple containing the Jid from the Recipient list co-accumulator
{_, {LJID, SubIDs}} = lists:keysearch(LJID, 1, Recipients),
%% delete the tuple from the Recipients list
% v1 : Recipients1 = lists:keydelete(LJID, 1, Recipients),
% v2 : Recipients1 = lists:keyreplace(LJID, 1, Recipients, {LJID, NodeId1, [SubID | SubIDs]}),
%% add the SubID to the SubIDs list in the tuple,
%% and add the tuple back to the Recipients list co-accumulator
% v1.1 : {JIDs, lists:append(Recipients1, [{LJID, NodeId1, lists:append(SubIDs, [SubID])}])}
% v1.2 : {JIDs, [{LJID, NodeId1, [SubID | SubIDs]} | Recipients1]}
% v2: {JIDs, Recipients1}
{JIDs, lists:keyreplace(LJID, 1, Recipients, {LJID, [SubID | SubIDs]})}
end;
false -> {JIDs, Recipients}
end
end, Acc, Subs)
end,
DepthsToDeliver = fun({Depth, SubsByNode}, Acc) ->
lists:foldl(fun({Node, Subs}, Acc2) ->
NodesToDeliver(Depth, Node, Subs, Acc2)
end, Acc, SubsByNode)
end,
JIDSubs = lists:foldl(DepthsToDeliver, [], SubsByDepth),
[{LJID, proplists:append_values(LJID, JIDSubs)} || LJID <- proplists:get_keys(JIDSubs)].
{_, JIDSubs} = lists:foldl(DepthsToDeliver, {[], []}, SubsByDepth),
JIDSubs.
%% If we don't know the resource, just pick first if any
%% If no resource available, check if caps anyway (remote online)
@ -3746,10 +3776,34 @@ add_message_type({xmlelement, "message", Attrs, Els}, Type) ->
add_message_type(XmlEl, _Type) ->
XmlEl.
%% Place of <headers/> changed at the bottom of the stanza
%% cf. http://xmpp.org/extensions/xep-0060.html#publisher-publish-success-subid
%%
%% "[SHIM Headers] SHOULD be included after the event notification information
%% (i.e., as the last child of the <message/> stanza)".
add_headers({xmlelement, Name, Attrs, Els}, HeaderEls) ->
HeaderEl = {xmlelement, "headers", [{"xmlns", ?NS_SHIM}], HeaderEls},
{xmlelement, Name, Attrs, [HeaderEl | Els]}.
{xmlelement, Name, Attrs, lists:append(Els, [HeaderEl])}.
collection_shim(Node, Nodes) ->
%% Removed multiple <header name=Collection>Foo</header/> elements
%% Didn't seem compliant, but not sure. Confirmation required.
%% cf. http://xmpp.org/extensions/xep-0248.html#notify
%%
%% "If an item is published to a node which is also included by a collection,
%% and an entity is subscribed to that collection with a subscription type of
%% "items" (Is there a way to check that currently ?), then the notifications
%% generated by the service MUST contain additional information. The <items/>
%% element contained in the notification message MUST specify the node
%% identifier of the node that generated the notification (not the collection)
%% and the <item/> element MUST contain a SHIM header that specifies the node
%% identifier of the collection".
collection_shim(Node) ->
[{xmlelement, "header", [{"name", "Collection"}],
[{xmlcdata, node_to_string(N)}]} || N <- Nodes -- [Node]].
[{xmlcdata, node_to_string(Node)}]}].
subid_shim(SubIDs) ->
[{xmlelement, "header", [{"name", "SubID"}],
[{xmlcdata, SubID}]} || SubID <- SubIDs].