mod_http_upload: Log nicer warning on unknown host

If an HTTP client issues a request against an unknown host, log a
readable warning (rather than an unreadable error) and respond with a
404 (rather than a 500) status.
This commit is contained in:
Holger Weiss 2019-02-28 00:28:46 +01:00
parent 9bfe5bb618
commit 2f46aebca2
1 changed files with 27 additions and 9 deletions

View File

@ -387,7 +387,7 @@ process(LocalPath, #request{method = Method, host = Host, ip = IP})
process(_LocalPath, #request{method = 'PUT', host = Host, ip = IP,
length = Length} = Request) ->
{Proc, Slot} = parse_http_request(Request),
case catch gen_server:call(Proc, {use_slot, Slot, Length}, ?CALL_TIMEOUT) of
try gen_server:call(Proc, {use_slot, Slot, Length}, ?CALL_TIMEOUT) of
{ok, Path, FileMode, DirMode, GetPrefix, Thumbnail, CustomHeaders} ->
?DEBUG("Storing file from ~s for ~s: ~s",
[encode_addr(IP), Host, Path]),
@ -413,8 +413,14 @@ process(_LocalPath, #request{method = 'PUT', host = Host, ip = IP,
{error, invalid_slot} ->
?WARNING_MSG("Rejecting file ~s from ~s for ~s: Invalid slot",
[lists:last(Slot), encode_addr(IP), Host]),
http_response(403);
Error ->
http_response(403)
catch
exit:{noproc, _} ->
?WARNING_MSG("Cannot handle PUT request from ~s for ~s: "
"Upload not configured for this host",
[encode_addr(IP), Host]),
http_response(404);
_:Error ->
?ERROR_MSG("Cannot handle PUT request from ~s for ~s: ~p",
[encode_addr(IP), Host, Error]),
http_response(500)
@ -423,7 +429,7 @@ process(_LocalPath, #request{method = Method, host = Host, ip = IP} = Request)
when Method == 'GET';
Method == 'HEAD' ->
{Proc, [_UserDir, _RandDir, FileName] = Slot} = parse_http_request(Request),
case catch gen_server:call(Proc, get_conf, ?CALL_TIMEOUT) of
try gen_server:call(Proc, get_conf, ?CALL_TIMEOUT) of
{ok, DocRoot, CustomHeaders} ->
Path = str:join([DocRoot | Slot], <<$/>>),
case file:open(Path, [read]) of
@ -458,8 +464,14 @@ process(_LocalPath, #request{method = Method, host = Host, ip = IP} = Request)
?WARNING_MSG("Cannot serve ~s to ~s: ~s",
[Path, encode_addr(IP), format_error(Error)]),
http_response(500)
end;
Error ->
end
catch
exit:{noproc, _} ->
?WARNING_MSG("Cannot handle ~s request from ~s for ~s: "
"Upload not configured for this host",
[Method, encode_addr(IP), Host]),
http_response(404);
_:Error ->
?ERROR_MSG("Cannot handle ~s request from ~s for ~s: ~p",
[Method, encode_addr(IP), Host, Error]),
http_response(500)
@ -469,11 +481,17 @@ process(_LocalPath, #request{method = 'OPTIONS', host = Host,
?DEBUG("Responding to OPTIONS request from ~s for ~s",
[encode_addr(IP), Host]),
{Proc, _Slot} = parse_http_request(Request),
case catch gen_server:call(Proc, get_conf, ?CALL_TIMEOUT) of
try gen_server:call(Proc, get_conf, ?CALL_TIMEOUT) of
{ok, _DocRoot, CustomHeaders} ->
AllowHeader = {<<"Allow">>, <<"OPTIONS, HEAD, GET, PUT">>},
http_response(200, [AllowHeader | CustomHeaders]);
Error ->
http_response(200, [AllowHeader | CustomHeaders])
catch
exit:{noproc, _} ->
?WARNING_MSG("Cannot handle OPTIONS request from ~s for ~s: "
"Upload not configured for this host",
[encode_addr(IP), Host]),
http_response(404);
_:Error ->
?ERROR_MSG("Cannot handle OPTIONS request from ~s for ~s: ~p",
[encode_addr(IP), Host, Error]),
http_response(500)