mirror of
https://github.com/processone/ejabberd.git
synced 2024-11-26 16:26:24 +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>
|
%%% Author : Stefan Strigler <steve@zeank.in-berlin.de>
|
||||||
%%% Purpose : HTTP Binding support (JEP-0124)
|
%%% Purpose : HTTP Binding support (JEP-0124)
|
||||||
%%% Created : 21 Sep 2005 by Stefan Strigler <steve@zeank.in-berlin.de>
|
%%% 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).
|
-module(ejabberd_http_bind).
|
||||||
-author('steve@zeank.in-berlin.de').
|
-author('steve@zeank.in-berlin.de').
|
||||||
-vsn('$Rev: 239 $').
|
-vsn('$Rev: 240 $').
|
||||||
|
|
||||||
-behaviour(gen_fsm).
|
-behaviour(gen_fsm).
|
||||||
|
|
||||||
@ -28,7 +28,7 @@
|
|||||||
close/1,
|
close/1,
|
||||||
process_request/1]).
|
process_request/1]).
|
||||||
|
|
||||||
%%-define(ejabberd_debug, true).
|
-define(ejabberd_debug, true).
|
||||||
|
|
||||||
-include("ejabberd.hrl").
|
-include("ejabberd.hrl").
|
||||||
-include("jlib.hrl").
|
-include("jlib.hrl").
|
||||||
@ -113,134 +113,123 @@ peername(_Socket) ->
|
|||||||
|
|
||||||
process_request(Data) ->
|
process_request(Data) ->
|
||||||
case catch parse_request(Data) of
|
case catch parse_request(Data) of
|
||||||
{ok, {ParsedSid, Rid, Key, NewKey, Attrs, Packet}} ->
|
{ok, {"", Rid, Key, NewKey, Attrs, Packet}} ->
|
||||||
XmppDomain = xml:get_attr_s("to",Attrs),
|
case xml:get_attr_s("to",Attrs) of
|
||||||
if
|
"" ->
|
||||||
(ParsedSid == "") and (XmppDomain == "") ->
|
|
||||||
{200, ?HEADER, "<body type='terminate' "
|
{200, ?HEADER, "<body type='terminate' "
|
||||||
"condition='improper-addressing' "
|
"condition='improper-addressing' "
|
||||||
"xmlns='http://jabber.org/protocol/httpbind'/>"};
|
"xmlns='http://jabber.org/protocol/httpbind'/>"};
|
||||||
true ->
|
XmppDomain ->
|
||||||
Sid =
|
%% create new session
|
||||||
if
|
Sid = sha:sha(term_to_binary({now(), make_ref()})),
|
||||||
(ParsedSid == "") ->
|
{ok, Pid} = start(Sid, Key),
|
||||||
%% create new session
|
?DEBUG("got pid: ~p", [Pid]),
|
||||||
NewSid = sha:sha(term_to_binary({now(), make_ref()})),
|
Wait = case
|
||||||
{ok, Pid} = start(NewSid, Key),
|
string:to_integer(xml:get_attr_s("wait",Attrs))
|
||||||
?DEBUG("got pid: ~p", [Pid]),
|
of
|
||||||
Wait = case
|
{error, _} ->
|
||||||
string:to_integer(xml:get_attr_s("wait",Attrs))
|
?MAX_WAIT;
|
||||||
of
|
{CWait, _} ->
|
||||||
{error, _} ->
|
if
|
||||||
?MAX_WAIT;
|
(CWait > ?MAX_WAIT) ->
|
||||||
{CWait, _} ->
|
?MAX_WAIT;
|
||||||
if
|
true ->
|
||||||
(CWait > ?MAX_WAIT) ->
|
CWait
|
||||||
?MAX_WAIT;
|
end
|
||||||
true ->
|
end,
|
||||||
CWait
|
Hold = case
|
||||||
end
|
string:to_integer(
|
||||||
end,
|
xml:get_attr_s("hold",Attrs))
|
||||||
Hold = case
|
of
|
||||||
string:to_integer(
|
{error, _} ->
|
||||||
xml:get_attr_s("hold",Attrs))
|
(?MAX_REQUESTS - 1);
|
||||||
of
|
{CHold, _} ->
|
||||||
{error, _} ->
|
if
|
||||||
(?MAX_REQUESTS - 1);
|
(CHold > (?MAX_REQUESTS - 1)) ->
|
||||||
{CHold, _} ->
|
(?MAX_REQUESTS - 1);
|
||||||
if
|
true ->
|
||||||
(CHold > (?MAX_REQUESTS - 1)) ->
|
CHold
|
||||||
(?MAX_REQUESTS - 1);
|
end
|
||||||
true ->
|
end,
|
||||||
CHold
|
XmppVersion = xml:get_attr_s("xmpp:version", Attrs),
|
||||||
end
|
mnesia:transaction(
|
||||||
end,
|
fun() ->
|
||||||
XmppVersion = xml:get_attr_s("xmpp:version", Attrs),
|
mnesia:write(#http_bind{id = Sid,
|
||||||
mnesia:transaction(
|
pid = Pid,
|
||||||
fun() ->
|
to = {XmppDomain, XmppVersion},
|
||||||
mnesia:write(#http_bind{id = NewSid,
|
wait = Wait,
|
||||||
pid = Pid,
|
hold = Hold})
|
||||||
to = {XmppDomain, XmppVersion},
|
end),
|
||||||
wait = Wait,
|
handle_http_put(Sid, Rid, Key, NewKey, Wait, Hold, Attrs, Packet, true)
|
||||||
hold = Hold})
|
end;
|
||||||
end),
|
{ok, {Sid, Rid, Key, NewKey, Attrs, Packet}} ->
|
||||||
StreamStart = if
|
%% old session
|
||||||
(XmppDomain /= "") ->
|
StreamStart =
|
||||||
true;
|
case xml:get_attr_s("xmpp:restart",Attrs) of
|
||||||
true ->
|
"true" ->
|
||||||
false
|
true;
|
||||||
end,
|
_ ->
|
||||||
InPacket = Packet,
|
false
|
||||||
NewSid;
|
end,
|
||||||
true ->
|
Wait = ?MAX_WAIT,
|
||||||
%% old session
|
Hold = (?MAX_REQUESTS - 1),
|
||||||
Type = xml:get_attr_s("type",Attrs),
|
InPacket = case xml:get_attr_s("type",Attrs) of
|
||||||
StreamStart =
|
"terminate" ->
|
||||||
case xml:get_attr_s("xmpp:restart",Attrs) of
|
%% close stream
|
||||||
"true" ->
|
Packet ++ "</stream:stream>";
|
||||||
true;
|
_ ->
|
||||||
_ ->
|
Packet
|
||||||
false
|
end,
|
||||||
end,
|
handle_http_put(Sid, Rid, Key, NewKey, Wait, Hold, Attrs, InPacket, StreamStart);
|
||||||
Wait = ?MAX_WAIT,
|
_ ->
|
||||||
Hold = (?MAX_REQUESTS - 1),
|
{400, ?HEADER, ""}
|
||||||
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, ""}
|
|
||||||
end.
|
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
|
receive
|
||||||
after 100 -> ok
|
after 100 -> ok
|
||||||
end,
|
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) ->
|
prepare_response(Sid, Rid, Wait, Hold, Attrs, StreamStart) ->
|
||||||
case http_get(Sid,Rid) of
|
case http_get(Sid, Rid) of
|
||||||
{error, not_exists} ->
|
{error, not_exists} ->
|
||||||
?DEBUG("no session associated with sid: ~s", [Sid]),
|
?DEBUG("no session associated with sid: ~s", [Sid]),
|
||||||
{404, ?HEADER, ""};
|
{404, ?HEADER, ""};
|
||||||
{ok, keep_on_hold} ->
|
{ok, keep_on_hold} ->
|
||||||
receive_loop(Sid,ParsedSid,Rid,Wait,Hold,Attrs);
|
receive_loop(Sid, Rid, Wait, Hold, Attrs, StreamStart);
|
||||||
{ok, cancel} ->
|
{ok, cancel} ->
|
||||||
%% actually it would be better if we could completely
|
%% actually it would be better if we could completely
|
||||||
%% cancel this request, but then we would have to hack
|
%% cancel this request, but then we would have to hack
|
||||||
@ -248,16 +237,18 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
|||||||
{404, ?HEADER, ""};
|
{404, ?HEADER, ""};
|
||||||
{ok, OutPacket} ->
|
{ok, OutPacket} ->
|
||||||
?DEBUG("OutPacket: ~s", [OutPacket]),
|
?DEBUG("OutPacket: ~s", [OutPacket]),
|
||||||
if
|
case StreamStart of
|
||||||
Sid == ParsedSid ->
|
false ->
|
||||||
send_outpacket(Sid, OutPacket);
|
send_outpacket(Sid, OutPacket);
|
||||||
true ->
|
true ->
|
||||||
To = xml:get_attr_s("to",Attrs),
|
|
||||||
OutEls = case xml_stream:parse_element(
|
OutEls = case xml_stream:parse_element(
|
||||||
OutPacket++"</stream:stream>") of
|
OutPacket++"</stream:stream>") of
|
||||||
El when element(1, El) == xmlelement ->
|
El when element(1, El) == xmlelement ->
|
||||||
|
?DEBUG("~p", [El]),
|
||||||
{xmlelement, _, OutAttrs, Els} = El,
|
{xmlelement, _, OutAttrs, Els} = El,
|
||||||
AuthID = xml:get_attr_s("id", OutAttrs),
|
AuthID = xml:get_attr_s("id", OutAttrs),
|
||||||
|
From = xml:get_attr_s("from", OutAttrs),
|
||||||
|
Version = xml:get_attr_s("version", OutAttrs),
|
||||||
StreamError = false,
|
StreamError = false,
|
||||||
case Els of
|
case Els of
|
||||||
[] ->
|
[] ->
|
||||||
@ -269,14 +260,12 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
|||||||
end;
|
end;
|
||||||
{error, _} ->
|
{error, _} ->
|
||||||
AuthID = "",
|
AuthID = "",
|
||||||
|
From = "",
|
||||||
|
Version = "",
|
||||||
StreamError = true,
|
StreamError = true,
|
||||||
[]
|
[]
|
||||||
end,
|
end,
|
||||||
if
|
if
|
||||||
To == "" ->
|
|
||||||
{200, ?HEADER, "<body type='terminate' "
|
|
||||||
"condition='improper-addressing' "
|
|
||||||
"xmlns='http://jabber.org/protocol/httpbind'/>"};
|
|
||||||
StreamError == true ->
|
StreamError == true ->
|
||||||
{200, ?HEADER, "<body type='terminate' "
|
{200, ?HEADER, "<body type='terminate' "
|
||||||
"condition='host-unknown' "
|
"condition='host-unknown' "
|
||||||
@ -290,7 +279,7 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
|||||||
[] ->
|
[] ->
|
||||||
[];
|
[];
|
||||||
_ ->
|
_ ->
|
||||||
[{"xmpp:version", "1.0"}]
|
[{"xmpp:version", Version}]
|
||||||
end,
|
end,
|
||||||
{200, ?HEADER,
|
{200, ?HEADER,
|
||||||
xml:element_to_string(
|
xml:element_to_string(
|
||||||
@ -304,7 +293,7 @@ prepare_response(Sid,ParsedSid,Rid,Wait,Hold,Attrs) ->
|
|||||||
integer_to_list(trunc(?MAX_INACTIVITY/1000))},
|
integer_to_list(trunc(?MAX_INACTIVITY/1000))},
|
||||||
{"polling", ?MIN_POLLING},
|
{"polling", ?MIN_POLLING},
|
||||||
{"ver", ?BOSH_VERSION},
|
{"ver", ?BOSH_VERSION},
|
||||||
{"from", To},
|
{"from", From},
|
||||||
{"secure", "true"} %% we're always being secure
|
{"secure", "true"} %% we're always being secure
|
||||||
] ++ BOSH_attribs,OutEls})}
|
] ++ BOSH_attribs,OutEls})}
|
||||||
end
|
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",[]),
|
?DEBUG("http-put",[]),
|
||||||
case mnesia:dirty_read({http_bind, Sid}) of
|
case mnesia:dirty_read({http_bind, Sid}) of
|
||||||
[] ->
|
[] ->
|
||||||
?DEBUG("not found",[]),
|
?DEBUG("not found",[]),
|
||||||
{error, not_exists};
|
{error, not_exists};
|
||||||
[#http_bind{pid = FsmRef,to=StreamTo}] ->
|
[#http_bind{pid = FsmRef,to={To, Version}}] ->
|
||||||
case Restart of
|
case StreamStart of
|
||||||
true ->
|
true ->
|
||||||
?DEBUG("restart requested for ~s", [To]),
|
?DEBUG("restart requested for ~s", [To]),
|
||||||
gen_fsm:sync_send_all_state_event(
|
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(
|
gen_fsm:sync_send_all_state_event(
|
||||||
FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, ""})
|
FsmRef, {http_put, Rid, Key, NewKey, Hold, Packet, ""})
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user