method

normalize_key

v7.1.3.4 - Show latest stable - 0 notes - Class: ActiveSupport::Cache::MemCacheStore

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What's this?

normalize_key(key, options) 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.

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# File activesupport/lib/active_support/cache/mem_cache_store.rb, line 311
        def normalize_key(key, options)
          key = super
          if key
            key = key.dup.force_encoding(Encoding::ASCII_8BIT)
            key = key.gsub(ESCAPE_KEY_CHARS) { |match| "%#{match.getbyte(0).to_s(16).upcase}" }

            if key.size > KEY_MAX_SIZE
              key_separator = ":hash:"
              key_hash = ActiveSupport::Digest.hexdigest(key)
              key_trim_size = KEY_MAX_SIZE - key_separator.size - key_hash.size
              key = "#{key[0, key_trim_size]}#{key_separator}#{key_hash}"
            end
          end
          key
        end

normalize_key

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