Chapril/xmpp.chapril.org-ejabberd
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mod_http_upload: Accept characters of any script

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Accept all alphanumeric characters of any script in user and file names
rather than replacing non-ASCII characters with underscores.  However,
non-alphanumeric characters are still replaced, except for "." and "-".

Closes #2346.
This commit is contained in:
Holger Weiss 2018-04-03 21:00:15 +02:00
parent df651d893e
commit e2652ce02f
1 changed files with 14 additions and 4 deletions
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18
src/mod_http_upload.erl
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@ -671,21 +671,31 @@ mk_slot(Slot, #state{put_url = PutPrefix, get_url = GetPrefix}, XMLNS) ->
GetURL = str:join([GetPrefix | Slot], <<$/>>),
mk_slot(PutURL, GetURL, XMLNS);
mk_slot(PutURL, GetURL, ?NS_HTTP_UPLOAD_0) ->
#upload_slot_0{get = GetURL, put = PutURL, xmlns = ?NS_HTTP_UPLOAD_0};
#upload_slot_0{get = misc:url_encode(GetURL),
put = misc:url_encode(PutURL),
xmlns = ?NS_HTTP_UPLOAD_0};
mk_slot(PutURL, GetURL, XMLNS) ->
#upload_slot{get = GetURL, put = PutURL, xmlns = XMLNS}.
#upload_slot{get = misc:url_encode(GetURL),
put = misc:url_encode(PutURL),
xmlns = XMLNS}.
-spec make_user_string(jid(), sha1 | node) -> binary().
make_user_string(#jid{luser = U, lserver = S}, sha1) ->
str:sha(<<U/binary, $@, S/binary>>);
make_user_string(#jid{luser = U}, node) ->
re:replace(U, <<"[^a-zA-Z0-9_.-]">>, <<$_>>, [global, {return, binary}]).
replace_special_chars(U).
-spec make_file_string(binary()) -> binary().
make_file_string(File) ->
re:replace(File, <<"[^a-zA-Z0-9_.-]">>, <<$_>>, [global, {return, binary}]).
replace_special_chars(File).
-spec replace_special_chars(binary()) -> binary().
replace_special_chars(S) ->
re:replace(S, <<"[^\\p{Xan}_.-]">>, <<$_>>,
[unicode, global, {return, binary}]).
-spec yield_content_type(binary()) -> binary().