Module: Tripcode

Defined in:
lib/tripcode.rb,
lib/tripcode/version.rb

Constant Summary collapse

VERSION = 
"1.0.0"

Class Method Summary collapse

Class Method Details

.hash(password) ⇒ Object 



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# File 'lib/tripcode.rb', line 6

def self.hash(password)
  return "" if password.nil? || password.empty?
  password = password.encode('SHIFT_JIS', 'UTF-8', undef: :replace)
  password.gsub!('"', '"')
  password.gsub!('&', '&')
  password.gsub!('>', '>')
  password.gsub!('<', '&lt;')
  salt = (password.b + 'H.')[1..2]
  salt.gsub!(/[^\.-z]/, '.')
  salt.tr!(':;<=>?@[\\]^_`', 'ABCDEFGabcdef')
  return password.crypt(salt)[-10..-1].strip
end

.parse(string, seed = SECRET) ⇒ Object 



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# File 'lib/tripcode.rb', line 28

def self.parse(string, seed=SECRET)
  name, tripcode, secure_tripcode = string.split('#')
  tripcode = self.hash(tripcode)
  secure_tripcode = self.secure(secure_tripcode, seed)
  name = "" if name.nil?
  return name, tripcode, secure_tripcode
end

.secure(password, seed = SECRET) ⇒ Object 



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# File 'lib/tripcode.rb', line 19

def self.secure(password, seed=SECRET)
  return "" if password.nil? || password.empty?
  seed = Base64::decode64(seed)
  password = password.encode('SHIFT_JIS', 'UTF-8', undef: :replace)
  secure_tripcode = Digest::SHA1.hexdigest(password.b+seed)
  secure_tripcode = Base64::encode64([secure_tripcode].pack('H*'))
  return secure_tripcode[0..14]
end