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Code Issues Wiki Activity

Reply with 400 on if*-match parsing crash

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This commit is contained in:
Martin Rehfeld 2015-01-30 13:43:55 +00:00
parent 3d9078018d
commit 07ef3c32d7
2 changed files with 15 additions and 5 deletions
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4
src/cowboy_http.erl
View file

@ -668,7 +668,9 @@ token(<< C, Rest/binary >>, Fun, Case, Acc) ->
-spec quoted_string(binary(), fun()) -> any().
quoted_string(<< $", Rest/binary >>, Fun) ->
quoted_string(Rest, Fun, <<>>).
quoted_string(Rest, Fun, <<>>);
quoted_string(_, _Fun) ->
{error, badarg}.
-spec quoted_string(binary(), fun(), binary()) -> any().
quoted_string(<<>>, _Fun, _Acc) ->

16
src/cowboy_rest.erl
View file

@ -523,13 +523,17 @@ resource_exists(Req, State) ->
if_match_exists(Req, State) ->
State2 = State#state{exists=true},
case cowboy_req:parse_header(<<"if-match">>, Req) of
try cowboy_req:parse_header(<<"if-match">>, Req) of
{ok, undefined, Req2} ->
if_unmodified_since_exists(Req2, State2);
{ok, '*', Req2} ->
if_unmodified_since_exists(Req2, State2);
{ok, ETagsList, Req2} ->
if_match(Req2, State2, ETagsList)
if_match(Req2, State2, ETagsList);
{error, badarg} ->
respond(Req, State2, 400)
catch Class:Reason ->
error_terminate(Req, State2, Class, Reason, if_match)
end.
if_match(Req, State, EtagsList) ->
@ -573,13 +577,17 @@ if_unmodified_since(Req, State, IfUnmodifiedSince) ->
end.
if_none_match_exists(Req, State) ->
case cowboy_req:parse_header(<<"if-none-match">>, Req) of
try cowboy_req:parse_header(<<"if-none-match">>, Req) of
{ok, undefined, Req2} ->
if_modified_since_exists(Req2, State);
{ok, '*', Req2} ->
precondition_is_head_get(Req2, State);
{ok, EtagsList, Req2} ->
if_none_match(Req2, State, EtagsList)
if_none_match(Req2, State, EtagsList);
{error, badarg} ->
respond(Req, State, 400)
catch Class:Reason ->
error_terminate(Req, State, Class, Reason, if_none_match)
end.
if_none_match(Req, State, EtagsList) ->