Class: Authlogic::CryptoProviders::Wordpress

Inherits:
Object
  • Object
show all
Defined in:
lib/authlogic/crypto_providers/wordpress.rb

Overview

Crypto provider to transition from wordpress user accounts. Written by Jeffry Degrande in 2009. First released in 2.1.3.

Problems:

  • There are no tests.

  • We can’t even figure out how to run this without it crashing.

  • Presumably it implements some spec, but it doesn’t mention which.

  • It is not documented anywhere.

  • There is no PR associated with this, and no discussion about it could be found.

Constant Summary collapse

ITOA64 = 
"./0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz".freeze

Class Method Summary collapse

Class Method Details

.encode_64(input, length) ⇒ Object 



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# File 'lib/authlogic/crypto_providers/wordpress.rb', line 47

def encode_64(input, length)
  output = ""
  i = 0
  while i < length
    value = input[i]
    i += 1
    break if value.nil?
    output += ITOA64[value & 0x3f, 1]
    value |= input[i] << 8 if i < length
    output += ITOA64[(value >> 6) & 0x3f, 1]

    i += 1
    break if i >= length
    value |= input[i] << 16 if i < length
    output += ITOA64[(value >> 12) & 0x3f, 1]

    i += 1
    break if i >= length
    output += ITOA64[(value >> 18) & 0x3f, 1]
  end
  output
end

.matches?(crypted, *tokens) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/authlogic/crypto_providers/wordpress.rb', line 37

def matches?(crypted, *tokens)
  stretches = 1 << ITOA64.index(crypted[3, 1])
  plain, salt = *tokens
  hashed = Digest::MD5.digest(salt + plain)
  stretches.times do
    hashed = Digest::MD5.digest(hashed + plain)
  end
  crypted[0, 12] + encode_64(hashed, 16) == crypted
end