diff options
| -rw-r--r-- | libs/web/luasrc/http/protocol.lua | 22 |
1 files changed, 10 insertions, 12 deletions
diff --git a/libs/web/luasrc/http/protocol.lua b/libs/web/luasrc/http/protocol.lua index d8ef09f7ae..0d41550b23 100644 --- a/libs/web/luasrc/http/protocol.lua +++ b/libs/web/luasrc/http/protocol.lua @@ -434,23 +434,21 @@ function mimedecode_message_body( src, msg, filecb ) until not spos if found then - if #data > 78 then - lchunk = data:sub( #data - 78 + 1, #data ) - data = data:sub( 1, #data - 78 ) - - if store then - store( field, data, false ) - else - return nil, "Invalid MIME section header" - end - else - lchunk, data = data, nil - end + -- We found at least some boundary. Save + -- the unparsed remaining data for the + -- next chunk. + lchunk, data = data, nil else + -- There was a complete chunk without a boundary. Parse it as headers or + -- append it as data, depending on our current state. if inhdr then lchunk, eof = parse_headers( data, field ) inhdr = not eof else + -- We're inside data, so append the data. Note that we only append + -- lchunk, not all of data, since there is a chance that chunk + -- contains half a boundary. Assuming that each chunk is at least the + -- boundary in size, this should prevent problems store( field, lchunk, false ) lchunk, chunk = chunk, nil end |