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117 lines
2.2 KiB
117 lines
2.2 KiB
#require 'sorcery/lib/sorcery/crypto_providers/common'
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#require 'ruby_drupal_hash'
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module Sorcery
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module CryptoProviders
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class DrupalPassword # < Sorcery::CryptoProviders::Common
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include Common
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class << self
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#def join_token
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# @join_token ||= "--"
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#end
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# Turns your raw password into a Sha1 hash.
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def encrypt(*tokens)
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#puts tokens
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#x
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#tokens = tokens.flatten
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#digest = tokens.shift
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#stretches.times { digest = secure_digest([digest, *tokens].join(join_token)) }
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#digest
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hash(tokens.first())
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end
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#def secure_digest(digest)
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# #Digest::SHA1.hexdigest(digest)
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# hash(digest)
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#end
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DRUPAL_MIN_HASH_COUNT = 7
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DRUPAL_MAX_HASH_COUNT = 30
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DRUPAL_HASH_LENGTH = 55
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ITOA64 = './0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz'
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HASH = Digest::SHA2.new(512)
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def hash(password)
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return false if password.nil?
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setting = '$S$DXHwLLD9k'
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count_log2 = ITOA64.index(setting[3])
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if count_log2 < DRUPAL_MIN_HASH_COUNT or count_log2 > DRUPAL_MAX_HASH_COUNT
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return false
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end
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salt = setting[4..4+7]
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if salt.length != 8
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return false
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end
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count = 2 ** count_log2
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pass_hash = HASH.digest(salt + password)
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1.upto(count) do |i|
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pass_hash = HASH.digest(pass_hash + password)
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end
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hash_length = pass_hash.length
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output = setting + _password_base64_encode(pass_hash, hash_length)
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if output.length != 98
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return false
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end
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return output[0..(DRUPAL_HASH_LENGTH - 1)]
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end
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def _password_base64_encode(to_encode, count)
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output = ''
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i = 0
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while true
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value = (to_encode[i]).ord
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i += 1
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output = output + ITOA64[value & 0x3f]
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if i < count
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value |= (to_encode[i].ord) << 8
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end
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output = output + ITOA64[(value >> 6) & 0x3f]
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if i >= count
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break
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end
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i += 1
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if i < count
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value |= (to_encode[i].ord) << 16
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end
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output = output + ITOA64[(value >> 12) & 0x3f]
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if i >= count
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break
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end
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i += 1
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output = output + ITOA64[(value >> 18) & 0x3f]
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if i >= count
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break
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end
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end
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return output
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end
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end
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end
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end
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end
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