lib/em-websocket/handshake76.rb in em-websocket-0.5.0 vs lib/em-websocket/handshake76.rb in em-websocket-0.5.1

@@ -37,9 +37,13 @@
           third
         Digest::MD5.digest(sum)
       end
 
       def numbers_over_spaces(string)
+        unless string
+          raise HandshakeError, "WebSocket key1 or key2 is missing"
+        end
+
         numbers = string.scan(/[0-9]/).join.to_i
 
         spaces = string.scan(/ /).size
         # As per 5.2.5, abort the connection if spaces are zero.
         raise HandshakeError, "Websocket Key1 or Key2 does not contain spaces - this is a symptom of a cross-protocol attack" if spaces == 0