Class: Authlogic::CryptoProviders::Sha1

Inherits:
Object
  • Object
show all
Defined in:
lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb

Overview

This class was made for the users transitioning from restful_authentication. I highly discourage using this crypto provider as it inferior to your other options. Please use any other provider offered by Authlogic.

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.join_token ⇒ Object 



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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 10

def join_token
  @join_token ||= "--"
end

.stretches ⇒ Object

The number of times to loop through the encryption. This is ten because that is what restful_authentication defaults to.



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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 33

def stretches
  @stretches ||= 10
end

Class Method Details

.digest(tokens) ⇒ Object

This is for “old style” authentication with a custom format of digest



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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 20

def digest(tokens)
  if @digest_format
    @digest_format.
      gsub('PASSWORD', tokens.first).
      gsub('SALT', tokens.last)
  else
    tokens.join(join_token)
  end
end

.digest_format=(format) ⇒ Object 



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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 15

def digest_format=(format)
  @digest_format = format
end

.encrypt(*tokens) ⇒ Object

Turns your raw password into a Sha1 hash.



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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 39

def encrypt(*tokens)
  tokens = tokens.flatten

  if stretches > 1
    hash = tokens.shift
    stretches.times { hash = Digest::SHA1.hexdigest([hash, *tokens].join(join_token)) }
  else
    hash = Digest::SHA1.hexdigest( digest(tokens) )
  end

  hash
end

.matches?(crypted, *tokens) ⇒ Boolean

Does the crypted password match the tokens? Uses the same tokens that were used to encrypt.

Returns:

  • (Boolean) 


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# File 'lib/casserver/authenticators/authlogic_crypto_providers/sha1.rb', line 53

def matches?(crypted, *tokens)
  encrypt(*tokens) == crypted
end