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Bosh compliance: honor xmpp:version (thanks to Stefan Strigler)
SVN Revision: 2275
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Badlop
parent
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commit
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@ -3,12 +3,12 @@
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%%% Author : Stefan Strigler <steve@zeank.in-berlin.de>
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%%% Purpose : HTTP Binding support (JEP-0124)
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%%% Created : 21 Sep 2005 by Stefan Strigler <steve@zeank.in-berlin.de>
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%%% Id : $Id: ejabberd_http_bind.erl 156 2007-06-25 09:22:57Z cromain $
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%%% Id : $Id: ejabberd_http_bind.erl 239 2007-08-03 10:54:00Z sstrigler $
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%%%----------------------------------------------------------------------
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-module(ejabberd_http_bind).
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-author('steve@zeank.in-berlin.de').
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-vsn('$Rev: 156 $').
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-vsn('$Rev: 239 $').
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-behaviour(gen_fsm).
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@ -64,6 +64,8 @@
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-define(FSMOPTS, []).
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-endif.
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-define(BOSH_VERSION, "1.6").
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-define(MAX_REQUESTS, 2). % number of simultaneous requests
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-define(MIN_POLLING, "2"). % don't poll faster than that or we will
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% shoot you
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@ -119,106 +121,108 @@ process_request(Data) ->
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"condition='improper-addressing' "
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"xmlns='http://jabber.org/protocol/httpbind'/>"};
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true ->
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Sid = if
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(ParsedSid == "") ->
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%% create new session
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NewSid = sha:sha(term_to_binary({now(), make_ref()})),
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{ok, Pid} = start(NewSid, Key),
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?DEBUG("got pid: ~p", [Pid]),
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Wait = case
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string:to_integer(xml:get_attr_s("wait",Attrs))
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of
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{error, _} ->
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?MAX_WAIT;
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{CWait, _} ->
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if
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(CWait > ?MAX_WAIT) ->
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?MAX_WAIT;
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true ->
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CWait
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end
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end,
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Hold = case
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string:to_integer(
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xml:get_attr_s("hold",Attrs))
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of
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{error, _} ->
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(?MAX_REQUESTS - 1);
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{CHold, _} ->
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if
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(CHold > (?MAX_REQUESTS - 1)) ->
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(?MAX_REQUESTS - 1);
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true ->
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CHold
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end
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end,
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mnesia:transaction(
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fun() ->
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mnesia:write(#http_bind{id = NewSid,
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pid = Pid,
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to = XmppDomain,
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wait = Wait,
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hold = Hold})
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end),
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StreamStart = if
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(XmppDomain /= "") ->
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true;
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true ->
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false
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end,
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InPacket = Packet,
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NewSid;
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true ->
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%% old session
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Type = xml:get_attr_s("type",Attrs),
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StreamStart =
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case xml:get_attr_s("xmpp:restart",Attrs) of
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"true" ->
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true;
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_ ->
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false
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end,
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Wait = ?MAX_WAIT,
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Hold = (?MAX_REQUESTS - 1),
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if
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(Type == "terminate") ->
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%% terminate session
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InPacket = Packet ++ "</stream:stream>";
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true ->
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InPacket = Packet
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end,
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ParsedSid
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end,
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%% ?DEBUG("~n InPacket: ~s ~n", [InPacket]),
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case http_put(Sid, Rid, Key, NewKey, Hold, InPacket, StreamStart) of
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{error, not_exists} ->
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?DEBUG("no session associated with sid: ~p", [Sid]),
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{404, ?HEADER, ""};
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{error, bad_key} ->
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?DEBUG("bad key: ~s", [Key]),
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case mnesia:dirty_read({http_bind, Sid}) of
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[] ->
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{404, ?HEADER, ""};
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[#http_bind{pid = FsmRef}] ->
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gen_fsm:sync_send_all_state_event(FsmRef,stop),
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{404, ?HEADER, ""}
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end;
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{error, polling_too_frequently} ->
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?DEBUG("polling too frequently: ~p", [Sid]),
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case mnesia:dirty_read({http_bind, Sid}) of
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[] -> %% unlikely! (?)
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{404, ?HEADER, ""};
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[#http_bind{pid = FsmRef}] ->
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gen_fsm:sync_send_all_state_event(FsmRef,stop),
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{403, ?HEADER, ""}
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end;
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{repeat, OutPacket} ->
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?DEBUG("http_put said 'repeat!' ...~nOutPacket: ~p",
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[OutPacket]),
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send_outpacket(Sid, OutPacket);
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ok ->
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receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs)
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end
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Sid =
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if
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(ParsedSid == "") ->
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%% create new session
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NewSid = sha:sha(term_to_binary({now(), make_ref()})),
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{ok, Pid} = start(NewSid, Key),
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?DEBUG("got pid: ~p", [Pid]),
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Wait = case
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string:to_integer(xml:get_attr_s("wait",Attrs))
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of
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{error, _} ->
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?MAX_WAIT;
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{CWait, _} ->
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if
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(CWait > ?MAX_WAIT) ->
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?MAX_WAIT;
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true ->
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CWait
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end
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end,
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Hold = case
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string:to_integer(
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xml:get_attr_s("hold",Attrs))
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of
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{error, _} ->
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(?MAX_REQUESTS - 1);
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{CHold, _} ->
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if
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(CHold > (?MAX_REQUESTS - 1)) ->
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(?MAX_REQUESTS - 1);
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true ->
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CHold
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end
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end,
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XmppVersion = xml:get_attr_s("xmpp:version", Attrs),
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mnesia:transaction(
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fun() ->
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mnesia:write(#http_bind{id = NewSid,
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pid = Pid,
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to = {XmppDomain, XmppVersion},
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wait = Wait,
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hold = Hold})
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end),
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StreamStart = if
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(XmppDomain /= "") ->
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true;
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true ->
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false
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end,
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InPacket = Packet,
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NewSid;
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true ->
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%% old session
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Type = xml:get_attr_s("type",Attrs),
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StreamStart =
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case xml:get_attr_s("xmpp:restart",Attrs) of
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"true" ->
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true;
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_ ->
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false
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end,
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Wait = ?MAX_WAIT,
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Hold = (?MAX_REQUESTS - 1),
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if
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(Type == "terminate") ->
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%% terminate session
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InPacket = Packet ++ "</stream:stream>";
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true ->
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InPacket = Packet
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end,
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ParsedSid
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end,
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%% ?DEBUG("~n InPacket: ~s ~n", [InPacket]),
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case http_put(Sid, Rid, Key, NewKey, Hold, InPacket, StreamStart) of
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{error, not_exists} ->
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?DEBUG("no session associated with sid: ~p", [Sid]),
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{404, ?HEADER, ""};
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{error, bad_key} ->
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?DEBUG("bad key: ~s", [Key]),
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case mnesia:dirty_read({http_bind, Sid}) of
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[] ->
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{404, ?HEADER, ""};
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[#http_bind{pid = FsmRef}] ->
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gen_fsm:sync_send_all_state_event(FsmRef,stop),
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{404, ?HEADER, ""}
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end;
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{error, polling_too_frequently} ->
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?DEBUG("polling too frequently: ~p", [Sid]),
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case mnesia:dirty_read({http_bind, Sid}) of
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[] -> %% unlikely! (?)
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{404, ?HEADER, ""};
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[#http_bind{pid = FsmRef}] ->
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gen_fsm:sync_send_all_state_event(FsmRef,stop),
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{403, ?HEADER, ""}
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end;
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{repeat, OutPacket} ->
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?DEBUG("http_put said 'repeat!' ...~nOutPacket: ~p",
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[OutPacket]),
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send_outpacket(Sid, OutPacket);
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ok ->
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receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs)
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end
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end;
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_ ->
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{400, ?HEADER, ""}
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@ -278,6 +282,16 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
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"condition='host-unknown' "
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"xmlns='http://jabber.org/protocol/httpbind'/>"};
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true ->
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BOSH_attribs =
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[{"authid", AuthID},
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{"xmlns:xmpp", "urn:xmpp:xbosh"},
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{"xmlns:stream","http://etherx.jabber.org/streams"}] ++
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case OutEls of
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[] ->
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[];
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_ ->
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[{"xmpp:version", "1.0"}]
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end,
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{200, ?HEADER,
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xml:element_to_string(
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{xmlelement,"body",
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@ -289,8 +303,10 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
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{"inactivity",
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integer_to_list(trunc(?MAX_INACTIVITY/1000))},
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{"polling", ?MIN_POLLING},
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{"authid", AuthID}
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],OutEls})}
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{"ver", ?BOSH_VERSION},
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{"from", To},
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{"secure", "true"} %% we're always being secure
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] ++ BOSH_attribs,OutEls})}
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end
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end
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end.
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@ -480,7 +496,7 @@ handle_sync_event(stop, _From, _StateName, StateData) ->
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Reply = ok,
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{stop, normal, Reply, StateData};
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handle_sync_event({http_put, Rid, Key, NewKey, Hold, Packet, StartTo},
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handle_sync_event({http_put, Rid, Key, NewKey, Hold, Packet, StreamTo},
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_From, StateName, StateData) ->
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%% check if Rid valid
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RidAllow = case Rid of
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@ -602,14 +618,17 @@ handle_sync_event({http_put, Rid, Key, NewKey, Hold, Packet, StartTo},
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}};
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{Receiver, _Tag} ->
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SendPacket =
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if
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StartTo /= "" ->
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["<stream:stream to='",
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StartTo,
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"' xmlns='jabber:client' "
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%%"version='1.0' "
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case StreamTo of
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{To, ""} ->
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["<stream:stream to='", To, "' "
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"xmlns='jabber:client' "
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"xmlns:stream='http://etherx.jabber.org/streams'>"] ++ Packet;
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true ->
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{To, Version} ->
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["<stream:stream to='", To, "' "
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"xmlns='jabber:client' "
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"version='", Version, "' "
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"xmlns:stream='http://etherx.jabber.org/streams'>"] ++ Packet;
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_ ->
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Packet
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end,
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?DEBUG("really sending now: ~s", [SendPacket]),
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@ -732,12 +751,12 @@ http_put(Sid, Rid, Key, NewKey, Hold, Packet, Restart) ->
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[] ->
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?DEBUG("not found",[]),
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{error, not_exists};
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[#http_bind{pid = FsmRef,to=To}] ->
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[#http_bind{pid = FsmRef,to=StreamTo}] ->
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case Restart of
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true ->
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?DEBUG("restart requested for ~s", [To]),
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gen_fsm:sync_send_all_state_event(
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FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, To});
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FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, StreamTo});
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_ ->
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gen_fsm:sync_send_all_state_event(
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FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, ""})
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