79 lines
1.8 KiB
Ruby
79 lines
1.8 KiB
Ruby
require 'openssl'
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require 'base64'
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require 'json'
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class MyAesCrypt
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@cipher = ""
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def initialize
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@cipher = OpenSSL::Cipher::Cipher.new(ENV["CIPHER_TYPE"])
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end
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def export_key(passphrase)
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# We want a 256 bit key symetric key based on passphrase
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# for cloud is lookup
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# for local is license_key
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# iv_salt = passphrase+"c2l"
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passphrase = passphrase + ENV['SX_KEY']
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passphrase = passphrase.gsub(".","_")
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digest = Digest::SHA256.new
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key_digest = digest.update(passphrase)
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key = key_digest.digest
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# iv = iv_digest.digest
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ENV['AES_KEY'] = cipher_key = Base64.encode64(key) # stores the key in key, and also sets the generated key on the @cipher
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ENV['AES_IV'] = cipher_iv = Base64.encode64(@cipher.random_iv) # stores the iv in iv, and also sets the generated iv on the @cipher
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return cipher_key, cipher_iv
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end
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def export_to_file(passphrase)
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file_path = "config/shops.json"
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aes_key, aes_iv = export_key(passphrase)
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tmpHash = {
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"lookup" => passphrase,
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"value" =>
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{
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"key" => aes_key,
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"iv" => aes_iv
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}
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}
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shop_data = File.read(file_path)
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shop_json = JSON.parse(shop_data)
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shop_json["data"].each do |j|
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if j["lookup"] == passphrase
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return j["value"]["key"], j["value"]["iv"]
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end
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end
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shop_json["data"] << tmpHash
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File.open(file_path, "w") { |io|
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io.puts JSON.pretty_generate(shop_json)
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}
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return aes_key, aes_iv
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end
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private
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def encrypt(data)
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cipher.encrypt
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cipher.key = ENV["aes_key"]
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cipher.iv = ENV["aes_iv"]
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encrypted = cipher.update(data) + cipher.final
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encrypted = Base64.encode64(encrypted)
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return encrypted
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end
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def decrypt(data)
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cipher.decrypt
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cipher.key = ENV["aes_key"]
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cipher.iv = ENV["aes_iv"]
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# Start the decryption
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decoded = Base64.decode64(data)
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decrypted = cipher.update(decoded) + cipher.final
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return decrypted
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end
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end |