--- /dev/null
+begin
+ require 'base64'
+rescue LoadError
+end
+
+module ActiveSupport
+ if defined? ::Base64
+ Base64 = ::Base64
+ else
+ # Base64 provides utility methods for encoding and de-coding binary data
+ # using a base 64 representation. A base 64 representation of binary data
+ # consists entirely of printable US-ASCII characters. The Base64 module
+ # is included in Ruby 1.8, but has been removed in Ruby 1.9.
+ module Base64
+ # Encodes a string to its base 64 representation. Each 60 characters of
+ # output is separated by a newline character.
+ #
+ # ActiveSupport::Base64.encode64("Original unencoded string")
+ # # => "T3JpZ2luYWwgdW5lbmNvZGVkIHN0cmluZw==\n"
+ def self.encode64(data)
+ [data].pack("m")
+ end
+
+ # Decodes a base 64 encoded string to its original representation.
+ #
+ # ActiveSupport::Base64.decode64("T3JpZ2luYWwgdW5lbmNvZGVkIHN0cmluZw==")
+ # # => "Original unencoded string"
+ def self.decode64(data)
+ data.unpack("m").first
+ end
+ end
+ end
+end