diff options
Diffstat (limited to 'activesupport/lib/active_support/cache/mem_cache_store.rb')
-rw-r--r-- | activesupport/lib/active_support/cache/mem_cache_store.rb | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/cache/mem_cache_store.rb b/activesupport/lib/active_support/cache/mem_cache_store.rb index 45263d482f..7ef1497ac2 100644 --- a/activesupport/lib/active_support/cache/mem_cache_store.rb +++ b/activesupport/lib/active_support/cache/mem_cache_store.rb @@ -4,7 +4,9 @@ rescue LoadError => e $stderr.puts "You don't have memcache-client installed in your application. Please add it to your Gemfile and run bundle install" raise e end + require 'digest/md5' +require 'active_support/core_ext/string/encoding' module ActiveSupport module Cache @@ -157,8 +159,14 @@ module ActiveSupport end private + + # Memcache keys are binaries. So we need to force their encoding to binary + # before applying the regular expression to ensure we are escaping all + # characters properly. def escape_key(key) - key = key.to_s.gsub(ESCAPE_KEY_CHARS){|match| "%#{match.getbyte(0).to_s(16).upcase}"} + key = key.to_s.dup + key = key.force_encoding("BINARY") if key.encoding_aware? + key = key.gsub(ESCAPE_KEY_CHARS){ |match| "%#{match.getbyte(0).to_s(16).upcase}" } key = "#{key[0, 213]}:md5:#{Digest::MD5.hexdigest(key)}" if key.size > 250 key end |