mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-22 16:20:52 +01:00
Some code cleanup (thanks to Stefan Strigler)
SVN Revision: 2276
This commit is contained in:
Badlop
parent
5048b6bdaf
commit
f422ec457a
@ -3,12 +3,12 @@
|
||||
%%% Author : Stefan Strigler <steve@zeank.in-berlin.de>
|
||||
%%% Purpose : HTTP Binding support (JEP-0124)
|
||||
%%% Created : 21 Sep 2005 by Stefan Strigler <steve@zeank.in-berlin.de>
|
||||
%%% Id : $Id: ejabberd_http_bind.erl 239 2007-08-03 10:54:00Z sstrigler $
|
||||
%%% Id : $Id: ejabberd_http_bind.erl 240 2007-08-03 12:05:14Z sstrigler $
|
||||
%%%----------------------------------------------------------------------
|
||||
|
||||
-module(ejabberd_http_bind).
|
||||
-author('steve@zeank.in-berlin.de').
|
||||
-vsn('$Rev: 239 $').
|
||||
-vsn('$Rev: 240 $').
|
||||
|
||||
-behaviour(gen_fsm).
|
||||
|
||||
@ -28,7 +28,7 @@
|
||||
close/1,
|
||||
process_request/1]).
|
||||
|
||||
%%-define(ejabberd_debug, true).
|
||||
-define(ejabberd_debug, true).
|
||||
|
||||
-include("ejabberd.hrl").
|
||||
-include("jlib.hrl").
|
||||
@ -113,134 +113,123 @@ peername(_Socket) ->
|
||||
|
||||
process_request(Data) ->
|
||||
case catch parse_request(Data) of
|
||||
{ok, {ParsedSid, Rid, Key, NewKey, Attrs, Packet}} ->
|
||||
XmppDomain = xml:get_attr_s("to",Attrs),
|
||||
if
|
||||
(ParsedSid == "") and (XmppDomain == "") ->
|
||||
{ok, {"", Rid, Key, NewKey, Attrs, Packet}} ->
|
||||
case xml:get_attr_s("to",Attrs) of
|
||||
"" ->
|
||||
{200, ?HEADER, "<body type='terminate' "
|
||||
"condition='improper-addressing' "
|
||||
"xmlns='http://jabber.org/protocol/httpbind'/>"};
|
||||
true ->
|
||||
Sid =
|
||||
if
|
||||
(ParsedSid == "") ->
|
||||
%% create new session
|
||||
NewSid = sha:sha(term_to_binary({now(), make_ref()})),
|
||||
{ok, Pid} = start(NewSid, Key),
|
||||
?DEBUG("got pid: ~p", [Pid]),
|
||||
Wait = case
|
||||
string:to_integer(xml:get_attr_s("wait",Attrs))
|
||||
of
|
||||
{error, _} ->
|
||||
?MAX_WAIT;
|
||||
{CWait, _} ->
|
||||
if
|
||||
(CWait > ?MAX_WAIT) ->
|
||||
?MAX_WAIT;
|
||||
true ->
|
||||
CWait
|
||||
end
|
||||
end,
|
||||
Hold = case
|
||||
string:to_integer(
|
||||
xml:get_attr_s("hold",Attrs))
|
||||
of
|
||||
{error, _} ->
|
||||
(?MAX_REQUESTS - 1);
|
||||
{CHold, _} ->
|
||||
if
|
||||
(CHold > (?MAX_REQUESTS - 1)) ->
|
||||
(?MAX_REQUESTS - 1);
|
||||
true ->
|
||||
CHold
|
||||
end
|
||||
end,
|
||||
XmppVersion = xml:get_attr_s("xmpp:version", Attrs),
|
||||
mnesia:transaction(
|
||||
fun() ->
|
||||
mnesia:write(#http_bind{id = NewSid,
|
||||
pid = Pid,
|
||||
to = {XmppDomain, XmppVersion},
|
||||
wait = Wait,
|
||||
hold = Hold})
|
||||
end),
|
||||
StreamStart = if
|
||||
(XmppDomain /= "") ->
|
||||
true;
|
||||
true ->
|
||||
false
|
||||
end,
|
||||
InPacket = Packet,
|
||||
NewSid;
|
||||
true ->
|
||||
%% old session
|
||||
Type = xml:get_attr_s("type",Attrs),
|
||||
StreamStart =
|
||||
case xml:get_attr_s("xmpp:restart",Attrs) of
|
||||
"true" ->
|
||||
true;
|
||||
_ ->
|
||||
false
|
||||
end,
|
||||
Wait = ?MAX_WAIT,
|
||||
Hold = (?MAX_REQUESTS - 1),
|
||||
if
|
||||
(Type == "terminate") ->
|
||||
%% terminate session
|
||||
InPacket = Packet ++ "</stream:stream>";
|
||||
true ->
|
||||
InPacket = Packet
|
||||
end,
|
||||
ParsedSid
|
||||
end,
|
||||
%% ?DEBUG("~n InPacket: ~s ~n", [InPacket]),
|
||||
case http_put(Sid, Rid, Key, NewKey, Hold, InPacket, StreamStart) of
|
||||
{error, not_exists} ->
|
||||
?DEBUG("no session associated with sid: ~p", [Sid]),
|
||||
{404, ?HEADER, ""};
|
||||
{error, bad_key} ->
|
||||
?DEBUG("bad key: ~s", [Key]),
|
||||
case mnesia:dirty_read({http_bind, Sid}) of
|
||||
[] ->
|
||||
{404, ?HEADER, ""};
|
||||
[#http_bind{pid = FsmRef}] ->
|
||||
gen_fsm:sync_send_all_state_event(FsmRef,stop),
|
||||
{404, ?HEADER, ""}
|
||||
end;
|
||||
{error, polling_too_frequently} ->
|
||||
?DEBUG("polling too frequently: ~p", [Sid]),
|
||||
case mnesia:dirty_read({http_bind, Sid}) of
|
||||
[] -> %% unlikely! (?)
|
||||
{404, ?HEADER, ""};
|
||||
[#http_bind{pid = FsmRef}] ->
|
||||
gen_fsm:sync_send_all_state_event(FsmRef,stop),
|
||||
{403, ?HEADER, ""}
|
||||
end;
|
||||
{repeat, OutPacket} ->
|
||||
?DEBUG("http_put said 'repeat!' ...~nOutPacket: ~p",
|
||||
[OutPacket]),
|
||||
send_outpacket(Sid, OutPacket);
|
||||
ok ->
|
||||
receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs)
|
||||
end
|
||||
end;
|
||||
_ ->
|
||||
{400, ?HEADER, ""}
|
||||
XmppDomain ->
|
||||
%% create new session
|
||||
Sid = sha:sha(term_to_binary({now(), make_ref()})),
|
||||
{ok, Pid} = start(Sid, Key),
|
||||
?DEBUG("got pid: ~p", [Pid]),
|
||||
Wait = case
|
||||
string:to_integer(xml:get_attr_s("wait",Attrs))
|
||||
of
|
||||
{error, _} ->
|
||||
?MAX_WAIT;
|
||||
{CWait, _} ->
|
||||
if
|
||||
(CWait > ?MAX_WAIT) ->
|
||||
?MAX_WAIT;
|
||||
true ->
|
||||
CWait
|
||||
end
|
||||
end,
|
||||
Hold = case
|
||||
string:to_integer(
|
||||
xml:get_attr_s("hold",Attrs))
|
||||
of
|
||||
{error, _} ->
|
||||
(?MAX_REQUESTS - 1);
|
||||
{CHold, _} ->
|
||||
if
|
||||
(CHold > (?MAX_REQUESTS - 1)) ->
|
||||
(?MAX_REQUESTS - 1);
|
||||
true ->
|
||||
CHold
|
||||
end
|
||||
end,
|
||||
XmppVersion = xml:get_attr_s("xmpp:version", Attrs),
|
||||
mnesia:transaction(
|
||||
fun() ->
|
||||
mnesia:write(#http_bind{id = Sid,
|
||||
pid = Pid,
|
||||
to = {XmppDomain, XmppVersion},
|
||||
wait = Wait,
|
||||
hold = Hold})
|
||||
end),
|
||||
handle_http_put(Sid, Rid, Key, NewKey, Wait, Hold, Attrs, Packet, true)
|
||||
end;
|
||||
{ok, {Sid, Rid, Key, NewKey, Attrs, Packet}} ->
|
||||
%% old session
|
||||
StreamStart =
|
||||
case xml:get_attr_s("xmpp:restart",Attrs) of
|
||||
"true" ->
|
||||
true;
|
||||
_ ->
|
||||
false
|
||||
end,
|
||||
Wait = ?MAX_WAIT,
|
||||
Hold = (?MAX_REQUESTS - 1),
|
||||
InPacket = case xml:get_attr_s("type",Attrs) of
|
||||
"terminate" ->
|
||||
%% close stream
|
||||
Packet ++ "</stream:stream>";
|
||||
_ ->
|
||||
Packet
|
||||
end,
|
||||
handle_http_put(Sid, Rid, Key, NewKey, Wait, Hold, Attrs, InPacket, StreamStart);
|
||||
_ ->
|
||||
{400, ?HEADER, ""}
|
||||
end.
|
||||
|
||||
receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
handle_http_put(Sid, Rid, Key, NewKey, Wait, Hold, Attrs, Packet, StreamStart) ->
|
||||
case http_put(Sid, Rid, Key, NewKey, Hold, Packet, StreamStart) of
|
||||
{error, not_exists} ->
|
||||
?DEBUG("no session associated with sid: ~p", [Sid]),
|
||||
{404, ?HEADER, ""};
|
||||
{error, bad_key} ->
|
||||
?DEBUG("bad key: ~s", [Key]),
|
||||
case mnesia:dirty_read({http_bind, Sid}) of
|
||||
[] ->
|
||||
{404, ?HEADER, ""};
|
||||
[#http_bind{pid = FsmRef}] ->
|
||||
gen_fsm:sync_send_all_state_event(FsmRef,stop),
|
||||
{404, ?HEADER, ""}
|
||||
end;
|
||||
{error, polling_too_frequently} ->
|
||||
?DEBUG("polling too frequently: ~p", [Sid]),
|
||||
case mnesia:dirty_read({http_bind, Sid}) of
|
||||
[] -> %% unlikely! (?)
|
||||
{404, ?HEADER, ""};
|
||||
[#http_bind{pid = FsmRef}] ->
|
||||
gen_fsm:sync_send_all_state_event(FsmRef,stop),
|
||||
{403, ?HEADER, ""}
|
||||
end;
|
||||
{repeat, OutPacket} ->
|
||||
?DEBUG("http_put said 'repeat!' ...~nOutPacket: ~p",
|
||||
[OutPacket]),
|
||||
send_outpacket(Sid, OutPacket);
|
||||
ok ->
|
||||
receive_loop(Sid, Rid, Wait, Hold, Attrs, StreamStart)
|
||||
end.
|
||||
|
||||
|
||||
receive_loop(Sid, Rid, Wait, Hold, Attrs, StreamStart) ->
|
||||
receive
|
||||
after 100 -> ok
|
||||
end,
|
||||
prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs).
|
||||
prepare_response(Sid, Rid, Wait, Hold, Attrs, StreamStart).
|
||||
|
||||
prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
case http_get(Sid,Rid) of
|
||||
prepare_response(Sid, Rid, Wait, Hold, Attrs, StreamStart) ->
|
||||
case http_get(Sid, Rid) of
|
||||
{error, not_exists} ->
|
||||
?DEBUG("no session associated with sid: ~s", [Sid]),
|
||||
{404, ?HEADER, ""};
|
||||
{ok, keep_on_hold} ->
|
||||
receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs);
|
||||
receive_loop(Sid, Rid, Wait, Hold, Attrs, StreamStart);
|
||||
{ok, cancel} ->
|
||||
%% actually it would be better if we could completely
|
||||
%% cancel this request, but then we would have to hack
|
||||
@ -248,16 +237,18 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
{404, ?HEADER, ""};
|
||||
{ok, OutPacket} ->
|
||||
?DEBUG("OutPacket: ~s", [OutPacket]),
|
||||
if
|
||||
Sid == ParsedSid ->
|
||||
case StreamStart of
|
||||
false ->
|
||||
send_outpacket(Sid, OutPacket);
|
||||
true ->
|
||||
To = xml:get_attr_s("to",Attrs),
|
||||
OutEls = case xml_stream:parse_element(
|
||||
OutPacket++"</stream:stream>") of
|
||||
El when element(1, El) == xmlelement ->
|
||||
?DEBUG("~p", [El]),
|
||||
{xmlelement, _, OutAttrs, Els} = El,
|
||||
AuthID = xml:get_attr_s("id", OutAttrs),
|
||||
From = xml:get_attr_s("from", OutAttrs),
|
||||
Version = xml:get_attr_s("version", OutAttrs),
|
||||
StreamError = false,
|
||||
case Els of
|
||||
[] ->
|
||||
@ -269,14 +260,12 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
end;
|
||||
{error, _} ->
|
||||
AuthID = "",
|
||||
From = "",
|
||||
Version = "",
|
||||
StreamError = true,
|
||||
[]
|
||||
end,
|
||||
if
|
||||
To == "" ->
|
||||
{200, ?HEADER, "<body type='terminate' "
|
||||
"condition='improper-addressing' "
|
||||
"xmlns='http://jabber.org/protocol/httpbind'/>"};
|
||||
StreamError == true ->
|
||||
{200, ?HEADER, "<body type='terminate' "
|
||||
"condition='host-unknown' "
|
||||
@ -290,7 +279,7 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
[] ->
|
||||
[];
|
||||
_ ->
|
||||
[{"xmpp:version", "1.0"}]
|
||||
[{"xmpp:version", Version}]
|
||||
end,
|
||||
{200, ?HEADER,
|
||||
xml:element_to_string(
|
||||
@ -304,7 +293,7 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
||||
integer_to_list(trunc(?MAX_INACTIVITY/1000))},
|
||||
{"polling", ?MIN_POLLING},
|
||||
{"ver", ?BOSH_VERSION},
|
||||
{"from", To},
|
||||
{"from", From},
|
||||
{"secure", "true"} %% we're always being secure
|
||||
] ++ BOSH_attribs,OutEls})}
|
||||
end
|
||||
@ -745,18 +734,18 @@ terminate(_Reason, _StateName, StateData) ->
|
||||
%%%----------------------------------------------------------------------
|
||||
|
||||
|
||||
http_put(Sid, Rid, Key, NewKey, Hold, Packet, Restart) ->
|
||||
http_put(Sid, Rid, Key, NewKey, Hold, Packet, StreamStart) ->
|
||||
?DEBUG("http-put",[]),
|
||||
case mnesia:dirty_read({http_bind, Sid}) of
|
||||
[] ->
|
||||
?DEBUG("not found",[]),
|
||||
{error, not_exists};
|
||||
[#http_bind{pid = FsmRef,to=StreamTo}] ->
|
||||
case Restart of
|
||||
[#http_bind{pid = FsmRef,to={To, Version}}] ->
|
||||
case StreamStart of
|
||||
true ->
|
||||
?DEBUG("restart requested for ~s", [To]),
|
||||
gen_fsm:sync_send_all_state_event(
|
||||
FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, StreamTo});
|
||||
FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, {To, Version}});
|
||||
_ ->
|
||||
gen_fsm:sync_send_all_state_event(
|
||||
FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, ""})
|
||||
|
||||
Loading…
Reference in New Issue
Block a user