Normalize HTTP path (thanks to Justin Kirby)

This commit is contained in:
Badlop 2013-06-25 10:37:03 +02:00
parent 870edd13e5
commit 45db79b9a7
2 changed files with 15 additions and 3 deletions

View File

@ -372,7 +372,7 @@ process_request(#state{request_method = Method,
{'EXIT', _} ->
make_bad_request(State);
{NPath, Query} ->
LPath = [path_decode(NPE) || NPE <- string:tokens(NPath, "/")],
LPath = normalize_path([NPE || NPE <- string:tokens(path_decode(NPath), "/")]),
LQuery = case (catch parse_urlencoded(Query)) of
{'EXIT', _Reason} ->
[];
@ -449,7 +449,7 @@ process_request(#state{request_method = Method,
{'EXIT', _} ->
make_bad_request(State);
{NPath, _Query} ->
LPath = [path_decode(NPE) || NPE <- string:tokens(NPath, "/")],
LPath = normalize_path([NPE || NPE <- string:tokens(path_decode(NPath), "/")]),
LQuery = case (catch parse_urlencoded(Data)) of
{'EXIT', _Reason} ->
[];
@ -1125,3 +1125,14 @@ drop_spaces(YS=[X|XS]) ->
false ->
YS
end.
normalize_path(Path) ->
normalize_path(Path, []).
normalize_path([], Norm) -> lists:reverse(Norm);
normalize_path([".."|Path], Norm) ->
normalize_path(Path, Norm);
normalize_path([_Parent, ".."|Path], Norm) ->
normalize_path(Path, Norm);
normalize_path([Part | Path], Norm) ->
normalize_path(Path, [Part|Norm]).

View File

@ -303,7 +303,7 @@ process(LocalPath, Request) ->
add_to_log(FileSize, Code, Request),
{Code, Headers, Contents}
catch
exit:{noproc, _} ->
exit:{noproc, _} ->
?ERROR_MSG("Received an HTTP request with Host ~p, but couldn't find the related "
"ejabberd virtual host", [Request#request.host]),
ejabberd_web:error(not_found)
@ -313,6 +313,7 @@ serve(LocalPath, DocRoot, DirectoryIndices, CustomHeaders, DefaultContentType, C
FileName = filename:join(filename:split(DocRoot) ++ LocalPath),
case file:read_file_info(FileName) of
{error, enoent} -> ?HTTP_ERR_FILE_NOT_FOUND;
{error, enotdir} -> ?HTTP_ERR_FILE_NOT_FOUND;
{error, eacces} -> ?HTTP_ERR_FORBIDDEN;
{ok, #file_info{type = directory}} -> serve_index(FileName,
DirectoryIndices,