method
extract_part
rails latest stable - Class:
ActiveSupport::MessageEncryptor
extract_part(encrypted_message, rindex, length)private
No documentation available.
# File activesupport/lib/active_support/message_encryptor.rb, line 340
def extract_part(encrypted_message, rindex, length)
index = rindex - length
if encrypted_message[index - SEPARATOR.length, SEPARATOR.length] == SEPARATOR
encrypted_message[index, length]
else
throw :invalid_message_format, "missing separator"
end
end