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rails--rails/activesupport/lib/active_support/base64.rb
2008-10-05 22:16:26 +01:00

33 lines
1 KiB
Ruby

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