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xmpp.chapril.org-ejabberd
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Fix problem with pipelined http requests arriving in single packet 

This fixes github issue ejabberd#835
This commit is contained in:
Paweł Chmielowski 2015-11-12 17:23:39 +01:00
parent 55a92c2983
commit 3ee5195b7a
1 changed files with 64 additions and 58 deletions
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40
src/ejabberd_http.erl
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@ -287,16 +287,18 @@ process_header(State, Data) ->
HostProvided),
State2 = State#state{request_host = Host,
request_port = Port, request_tp = TP},
Out = process_request(State2),
send_text(State2, Out),
case State2#state.request_keepalive of
{State3, Out} = process_request(State2),
send_text(State3, Out),
case State3#state.request_keepalive of
true ->
#state{sockmod = SockMod, socket = Socket,
trail = State3#state.trail,
options = State#state.options,
default_host = State#state.default_host,
request_handlers = State#state.request_handlers};
_ ->
#state{end_of_request = true,
trail = State3#state.trail,
options = State#state.options,
default_host = State#state.default_host,
request_handlers = State#state.request_handlers}
@ -366,12 +368,12 @@ process(Handlers, Request, Socket, SockMod, Trail) ->
end.
extract_path_query(#state{request_method = Method,
request_path = {abs_path, Path}})
request_path = {abs_path, Path}} = State)
when Method =:= 'GET' orelse
Method =:= 'HEAD' orelse
Method =:= 'DELETE' orelse Method =:= 'OPTIONS' ->
case catch url_decode_q_split(Path) of
{'EXIT', _} -> false;
{'EXIT', _} -> {State, false};
{NPath, Query} ->
LPath = normalize_path([NPE
|| NPE <- str:tokens(path_decode(NPath), <<"/">>)]),
@ -379,7 +381,7 @@ extract_path_query(#state{request_method = Method,
{'EXIT', _Reason} -> [];
LQ -> LQ
end,
{LPath, LQuery, <<"">>}
{State, {LPath, LQuery, <<"">>}}
end;
extract_path_query(#state{request_method = Method,
request_path = {abs_path, Path},
@ -388,10 +390,10 @@ extract_path_query(#state{request_method = Method,
socket = _Socket} = State)
when (Method =:= 'POST' orelse Method =:= 'PUT') andalso
is_integer(Len) ->
Data = recv_data(State, Len),
{NewState, Data} = recv_data(State, Len),
?DEBUG("client data: ~p~n", [Data]),
case catch url_decode_q_split(Path) of
{'EXIT', _} -> false;
{'EXIT', _} -> {NewState, false};
{NPath, _Query} ->
LPath = normalize_path([NPE
|| NPE <- str:tokens(path_decode(NPath), <<"/">>)]),
@ -399,10 +401,10 @@ extract_path_query(#state{request_method = Method,
{'EXIT', _Reason} -> [];
LQ -> LQ
end,
{LPath, LQuery, Data}
{NewState, {LPath, LQuery, Data}}
end;
extract_path_query(_State) ->
false.
extract_path_query(State) ->
{State, false}.
process_request(#state{request_method = Method,
request_auth = Auth,
@ -417,9 +419,9 @@ process_request(#state{request_method = Method,
request_handlers = RequestHandlers,
trail = Trail} = State) ->
case extract_path_query(State) of
false ->
make_bad_request(State);
{LPath, LQuery, Data} ->
{State2, false} ->
{State2, make_bad_request(State)};
{State2, {LPath, LQuery, Data}} ->
PeerName =
case SockMod of
gen_tcp ->
@ -445,7 +447,7 @@ process_request(#state{request_method = Method,
opts = Options,
headers = RequestHeaders,
ip = IP},
case process(RequestHandlers, Request, Socket, SockMod, Trail) of
Res = case process(RequestHandlers, Request, Socket, SockMod, Trail) of
El when is_record(El, xmlel) ->
make_xhtml_output(State, 200, [], El);
{Status, Headers, El}
@ -461,7 +463,8 @@ process_request(#state{request_method = Method,
make_text_output(State, Status, Reason, Headers, Output);
_ ->
none
end
end,
{State2, Res}
end.
make_bad_request(State) ->
@ -501,7 +504,10 @@ is_ipchain_trusted(UserIPs, TrustedIPs) ->
recv_data(State, Len) -> recv_data(State, Len, <<>>).
recv_data(_State, 0, Acc) -> (iolist_to_binary(Acc));
recv_data(State, 0, Acc) -> {State, Acc};
recv_data(#state{trail = Trail} = State, Len, <<>>) when byte_size(Trail) > Len ->
<<Data:Len/binary, Rest/binary>> = Trail,
{State#state{trail = Rest}, Data};
recv_data(State, Len, Acc) ->
case State#state.trail of
<<>> ->