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* src/mod_roster.erl: Updated subscription handling to latest
XMPP-IM draft SVN Revision: 182
This commit is contained in:
Alexey Shchepin
parent
6f9a3922ef
commit
8b5c042dee
@ -1,3 +1,8 @@
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2003-12-11 Alexey Shchepin <alexey@sevcom.net>
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* src/mod_roster.erl: Updated subscription handling to latest
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XMPP-IM draft
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2003-12-06 Alexey Shchepin <alexey@sevcom.net>
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* src/ejabberd_s2s_in.erl: Changed timeout processing, bugfix
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@ -123,13 +123,13 @@ item_to_xml(Item) ->
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remove ->
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[{"subscription", "remove"} | Attrs2]
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end,
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Attrs4 = case Item#roster.ask of
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none ->
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Attrs3;
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subscribe ->
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Attrs4 = case ask_to_pending(Item#roster.ask) of
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out ->
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[{"ask", "subscribe"} | Attrs3];
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unsubscribe ->
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[{"ask", "unsubscribe"} | Attrs3]
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both ->
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[{"ask", "subscribe"} | Attrs3];
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_ ->
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Attrs3
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end,
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Attrs = Attrs4 ++ Item#roster.xattrs,
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SubEls1 = lists:map(fun(G) ->
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@ -338,176 +338,144 @@ fill_subscription_lists([I | Is], F, T) ->
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fill_subscription_lists([], F, T) ->
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{F, T}.
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ask_to_pending(subscribe) -> out;
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ask_to_pending(unsubscribe) -> none;
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ask_to_pending(Ask) -> Ask.
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in_subscription(User, From, Type) ->
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LUser = jlib:nodeprep(User),
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LFrom = jlib:jid_tolower(From),
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F = fun() ->
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case mnesia:read({roster, {LUser, LFrom}}) of
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[] ->
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case Type of
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subscribe ->
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true;
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unsubscribe ->
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true;
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unsubscribed ->
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false;
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subscribed ->
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JID = {From#jid.user,
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From#jid.server,
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From#jid.resource},
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NewItem = #roster{uj = {LUser, LFrom},
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user = LUser,
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jid = JID},
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mnesia:write(NewItem),
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true
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end;
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[I] ->
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case Type of
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subscribe ->
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S = I#roster.subscription,
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if
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(S == both) or (S == from) ->
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{update,
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{xmlelement, "presence",
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[{"type", "subscribed"}], []},
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I};
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true ->
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true
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end;
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unsubscribe ->
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S = I#roster.subscription,
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if
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(S == none) or (S == to) ->
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{update,
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{xmlelement, "presence",
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[{"type", "unsubscribed"}], []},
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I};
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true ->
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true
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end;
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_ ->
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S = I#roster.subscription,
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NS = case Type of
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subscribed ->
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case S of
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from -> both;
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none -> to;
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_ -> S
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end;
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unsubscribed ->
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case S of
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both -> from;
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to -> none;
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_ -> S
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end
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end,
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NewItem = I#roster{subscription = NS,
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ask = none},
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mnesia:write(NewItem),
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{push, NewItem}
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end
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end
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end,
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case mnesia:transaction(F) of
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{atomic, true} ->
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true;
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{atomic, false} ->
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false;
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{atomic, {update, Presence, Item}} ->
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ejabberd_router:route(jlib:make_jid(User, ?MYNAME, ""),
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jlib:jid_replace_resource(From, ""),
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Presence),
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ejabberd_sm ! {route,
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jlib:make_jid("", "", ""),
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jlib:make_jid(User, "", ""),
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{xmlelement, "broadcast", [],
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[{item,
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Item#roster.jid,
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Item#roster.subscription}]}},
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false;
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{atomic, {push, Item}} ->
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push_item(User, {"", ?MYNAME, ""}, Item),
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true;
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_ ->
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false
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end.
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out_subscription(User, JID1, Type) ->
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in_subscription(User, JID, Type) ->
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process_subscription(in, User, JID, Type).
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out_subscription(User, JID, Type) ->
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process_subscription(out, User, JID, Type).
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process_subscription(Direction, User, JID1, Type) ->
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io:format("S10N: Dir=~p User=~p JID=~p Type=~p~n",
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[Direction, User, JID1, Type]),
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LUser = jlib:nodeprep(User),
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LJID = jlib:jid_tolower(JID1),
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F = fun() ->
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Item = case mnesia:read({roster, {LUser, LJID}}) of
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[] ->
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if (Type == unsubscribe) or
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(Type == unsubscribed) ->
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false;
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true ->
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JID = {JID1#jid.user,
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JID1#jid.server,
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JID1#jid.resource},
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#roster{uj = {LUser, LJID},
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user = LUser,
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jid = JID}
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end;
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JID = {JID1#jid.user,
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JID1#jid.server,
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JID1#jid.resource},
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#roster{uj = {LUser, LJID},
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user = LUser,
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jid = JID};
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[I] ->
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I
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end,
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if Item == false ->
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ok;
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true ->
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{NewItem, Update} =
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case Type of
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subscribe ->
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{Item#roster{ask = subscribe}, false};
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unsubscribe ->
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{Item#roster{ask = unsubscribe}, false};
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subscribed ->
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S = Item#roster.subscription,
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NS = case S of
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to -> both;
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none -> from;
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_ -> S
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end,
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{Item#roster{subscription = NS,
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ask = none},
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true};
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unsubscribed ->
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S = Item#roster.subscription,
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NS = case S of
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both -> to;
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from -> none;
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_ -> S
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end,
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{Item#roster{subscription = NS,
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ask = none},
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true}
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end,
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NewState = case Direction of
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out ->
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out_state_change(Item#roster.subscription,
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Item#roster.ask,
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Type);
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in ->
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in_state_change(Item#roster.subscription,
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Item#roster.ask,
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Type)
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end,
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case NewState of
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none ->
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none;
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{Subscription, Pending} ->
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NewItem = Item#roster{subscription = Subscription,
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ask = Pending},
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mnesia:write(NewItem),
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{push, NewItem, Update}
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{push, NewItem}
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end
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end,
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case mnesia:transaction(F) of
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{atomic, ok} ->
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ok;
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{atomic, {push, Item, Update}} ->
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false;
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{atomic, {push, Item}} ->
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io:format("S10N: Item=~p~n", [Item]),
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push_item(User, {"", ?MYNAME, ""}, Item),
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if
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Update ->
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ejabberd_sm ! {route,
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jlib:make_jid("", "", ""),
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jlib:make_jid(User, "", ""),
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{xmlelement, "broadcast", [],
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[{item,
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Item#roster.jid,
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Item#roster.subscription}]}};
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true ->
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ok
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end;
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true;
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_ ->
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false
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end.
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%% in_state_change(Subscription, Pending, Type) -> NewState
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%% NewState = none | {NewSubscription, NewPending}
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in_state_change(none, none, subscribe) -> {none, in};
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in_state_change(none, none, subscribed) -> none;
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in_state_change(none, none, unsubscribe) -> none;
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in_state_change(none, none, unsubscribed) -> none;
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in_state_change(none, out, subscribe) -> {none, both};
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in_state_change(none, out, subscribed) -> {to, none};
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in_state_change(none, out, unsubscribe) -> none;
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in_state_change(none, out, unsubscribed) -> {none, none};
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in_state_change(none, in, subscribe) -> none;
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in_state_change(none, in, subscribed) -> none;
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in_state_change(none, in, unsubscribe) -> {none, none};
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in_state_change(none, in, unsubscribed) -> none;
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in_state_change(none, both, subscribe) -> none;
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in_state_change(none, both, subscribed) -> {to, in};
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in_state_change(none, both, unsubscribe) -> {none, out};
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in_state_change(none, both, unsubscribed) -> {none, in};
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in_state_change(to, none, subscribe) -> {to, in};
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in_state_change(to, none, subscribed) -> none;
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in_state_change(to, none, unsubscribe) -> none;
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in_state_change(to, none, unsubscribed) -> {none, none};
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in_state_change(to, in, subscribe) -> none;
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in_state_change(to, in, subscribed) -> none;
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in_state_change(to, in, unsubscribe) -> {to, none};
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in_state_change(to, in, unsubscribed) -> {none, in};
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in_state_change(from, none, subscribe) -> none;
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in_state_change(from, none, subscribed) -> none;
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in_state_change(from, none, unsubscribe) -> {none, none};
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in_state_change(from, none, unsubscribed) -> none;
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in_state_change(from, out, subscribe) -> none;
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in_state_change(from, out, subscribed) -> {both, none};
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in_state_change(from, out, unsubscribe) -> {none, out};
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in_state_change(from, out, unsubscribed) -> {from, none};
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in_state_change(both, none, subscribe) -> none;
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in_state_change(both, none, subscribed) -> none;
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in_state_change(both, none, unsubscribe) -> {to, none};
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in_state_change(both, none, unsubscribed) -> {from, none}.
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out_state_change(none, none, subscribe) -> {none, out};
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out_state_change(none, none, subscribed) -> none;
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out_state_change(none, none, unsubscribe) -> none;
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out_state_change(none, none, unsubscribed) -> none;
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out_state_change(none, out, subscribe) -> none;
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out_state_change(none, out, subscribed) -> none;
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out_state_change(none, out, unsubscribe) -> {none, none};
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out_state_change(none, out, unsubscribed) -> none;
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out_state_change(none, in, subscribe) -> {none, both};
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out_state_change(none, in, subscribed) -> {from, none};
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out_state_change(none, in, unsubscribe) -> none;
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out_state_change(none, in, unsubscribed) -> {none, none};
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out_state_change(none, both, subscribe) -> none;
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out_state_change(none, both, subscribed) -> {from, out};
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out_state_change(none, both, unsubscribe) -> {none, in};
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out_state_change(none, both, unsubscribed) -> {none, out};
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out_state_change(to, none, subscribe) -> none;
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out_state_change(to, none, subscribed) -> none;
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out_state_change(to, none, unsubscribe) -> {none, none};
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out_state_change(to, none, unsubscribed) -> none;
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out_state_change(to, in, subscribe) -> none;
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out_state_change(to, in, subscribed) -> {both, none};
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out_state_change(to, in, unsubscribe) -> {none, in};
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out_state_change(to, in, unsubscribed) -> {to, none};
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out_state_change(from, none, subscribe) -> {from, out};
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out_state_change(from, none, subscribed) -> none;
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out_state_change(from, none, unsubscribe) -> none;
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out_state_change(from, none, unsubscribed) -> {none, none};
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out_state_change(from, out, subscribe) -> none;
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out_state_change(from, out, subscribed) -> none;
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out_state_change(from, out, unsubscribe) -> {from, none};
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out_state_change(from, out, unsubscribed) -> {none, out};
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out_state_change(both, none, subscribe) -> none;
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out_state_change(both, none, subscribed) -> none;
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out_state_change(both, none, unsubscribe) -> {from, none};
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out_state_change(both, none, unsubscribed) -> {to, none}.
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remove_user(User) ->
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LUser = jlib:nodeprep(User),
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F = fun() ->
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