diff options
-rw-r--r-- | src/cowboy_http_req.erl | 11 | ||||
-rw-r--r-- | src/cowboy_http_websocket.erl | 7 |
2 files changed, 7 insertions, 11 deletions
diff --git a/src/cowboy_http_req.erl b/src/cowboy_http_req.erl index d4b7fd3..a995871 100644 --- a/src/cowboy_http_req.erl +++ b/src/cowboy_http_req.erl @@ -227,13 +227,7 @@ parse_header(Name, Req=#http_req{p_headers=PHeaders}) -> %% @doc Default values for semantic header parsing. -spec parse_header_default(http_header()) -> any(). -parse_header_default('Accept') -> undefined; -parse_header_default('Accept-Charset') -> undefined; -parse_header_default('Accept-Encoding') -> undefined; -parse_header_default('Accept-Language') -> undefined; parse_header_default('Connection') -> []; -parse_header_default('If-Match') -> undefined; -parse_header_default('If-None-Match') -> undefined; parse_header_default(_Name) -> undefined. %% @doc Semantically parse headers. @@ -288,6 +282,11 @@ parse_header(Name, Req, Default) fun (Value) -> cowboy_http:http_date(Value) end); +parse_header(Name, Req, Default) when Name =:= 'Upgrade' -> + parse_header(Name, Req, Default, + fun (Value) -> + cowboy_http:nonempty_list(Value, fun cowboy_http:token_ci/2) + end); parse_header(Name, Req, Default) -> {Value, Req2} = header(Name, Req, Default), {undefined, Value, Req2}. diff --git a/src/cowboy_http_websocket.erl b/src/cowboy_http_websocket.erl index 08804b1..058c843 100644 --- a/src/cowboy_http_websocket.erl +++ b/src/cowboy_http_websocket.erl @@ -72,16 +72,13 @@ upgrade(ListenerPid, Handler, Opts, Req) -> {'EXIT', _Reason} -> upgrade_error(Req) end. -%% @todo We need a function to properly parse headers according to their ABNF, -%% instead of having ugly code like this case here. -%% @todo Upgrade is a list of products and should be parsed as such. -spec websocket_upgrade(#state{}, #http_req{}) -> {ok, #state{}, #http_req{}}. websocket_upgrade(State, Req) -> {ConnTokens, Req2} = cowboy_http_req:parse_header('Connection', Req), true = lists:member(<<"upgrade">>, ConnTokens), - {WS, Req3} = cowboy_http_req:header('Upgrade', Req2), - <<"websocket">> = cowboy_bstr:to_lower(WS), + %% @todo Should probably send a 426 if the Upgrade header is missing. + {[<<"websocket">>], Req3} = cowboy_http_req:parse_header('Upgrade', Req2), {Version, Req4} = cowboy_http_req:header(<<"Sec-Websocket-Version">>, Req3), websocket_upgrade(Version, State, Req4). |