lib/rack/utils.rb in rack-2.1.4.1 vs lib/rack/utils.rb in rack-2.1.4.2

@@ -348,20 +348,21 @@
     def get_byte_ranges(http_range, size)
       # See <http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.35>
       return nil unless http_range && http_range =~ /bytes=([^;]+)/
       ranges = []
       $1.split(/,\s*/).each do |range_spec|
-        return nil  unless range_spec =~ /(\d*)-(\d*)/
-        r0, r1 = $1, $2
-        if r0.empty?
-          return nil  if r1.empty?
+        return nil unless range_spec.include?('-')
+        range = range_spec.split('-')
+        r0, r1 = range[0], range[1]
+        if r0.nil? || r0.empty?
+          return nil if r1.nil?
           # suffix-byte-range-spec, represents trailing suffix of file
           r0 = size - r1.to_i
           r0 = 0  if r0 < 0
           r1 = size - 1
         else
           r0 = r0.to_i
-          if r1.empty?
+          if r1.nil?
             r1 = size - 1
           else
             r1 = r1.to_i
             return nil  if r1 < r0  # backwards range is syntactically invalid
             r1 = size - 1  if r1 >= size