diff options
Diffstat (limited to 'lib/rack/multipart/parser.rb')
| -rw-r--r-- | lib/rack/multipart/parser.rb | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/rack/multipart/parser.rb b/lib/rack/multipart/parser.rb index e2e821ac..e324be82 100644 --- a/lib/rack/multipart/parser.rb +++ b/lib/rack/multipart/parser.rb @@ -166,6 +166,7 @@ module Rack def initialize(boundary, tempfile, bufsize, query_parser) @buf = String.new + @buf_rx_start = 0 @query_parser = query_parser @params = query_parser.make_params @@ -174,6 +175,7 @@ module Rack @bufsize = bufsize @rx = /(?:#{EOL})?#{Regexp.quote(@boundary)}(#{EOL}|--)/n + @rx_max_size = EOL.size + @boundary.size + [EOL.size, '--'.size].max @full_boundary = @boundary @end_boundary = @boundary + '--' @state = :FAST_FORWARD @@ -263,15 +265,15 @@ module Rack end def handle_mime_body - if @buf =~ rx + if i = @buf.index(rx, @buf_rx_start) # Save the rest. - if i = @buf.index(rx) - @collector.on_mime_body @mime_index, @buf.slice!(0, i) - @buf.slice!(0, 2) # Remove \r\n after the content - end + @collector.on_mime_body @mime_index, @buf.slice!(0, i) + @buf.slice!(0, 2) # Remove \r\n after the content + @buf_rx_start = 0 # Reset rx search position @state = :CONSUME_TOKEN @mime_index += 1 else + @buf_rx_start = [@buf_rx_start, @buf.size - @rx_max_size].max :want_read end end |