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Replace AesNew provider with ActiveSupport::MessageEncryptor
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,51 @@ | ||
require "active_support/message_encryptor" | ||
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module CryptKeeper | ||
module Provider | ||
class ActiveSupport | ||
attr_reader :encryptor | ||
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# Public: Initializes the encryptor | ||
# | ||
# options - A hash, :key and :salt are required | ||
# | ||
# Returns nothing. | ||
def initialize(options = {}) | ||
key = options.fetch(:key) | ||
salt = options.fetch(:salt) | ||
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@encryptor = ::ActiveSupport::MessageEncryptor.new \ | ||
::ActiveSupport::KeyGenerator.new(key).generate_key(salt) | ||
end | ||
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# Public: Encrypts a string | ||
# | ||
# value - Plaintext value | ||
# | ||
# Returns an encrypted string | ||
def encrypt(value) | ||
encryptor.encrypt_and_sign(value) | ||
end | ||
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# Public: Decrypts a string | ||
# | ||
# value - Cipher text | ||
# | ||
# Returns a plaintext string | ||
def decrypt(value) | ||
encryptor.decrypt_and_verify(value) | ||
end | ||
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# Public: Searches the table | ||
# | ||
# records - ActiveRecord::Relation | ||
# field - Field name to match | ||
# criteria - Value to match | ||
# | ||
# Returns an Enumerable | ||
def search(records, field, criteria) | ||
records.select { |record| record[field] == criteria } | ||
end | ||
end | ||
end | ||
end |
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Original file line number | Diff line number | Diff line change |
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require 'spec_helper' | ||
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describe CryptKeeper::Provider::ActiveSupport do | ||
subject { described_class.new(key: 'cake', salt: 'salt') } | ||
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let :plaintext do | ||
"string" | ||
end | ||
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let :encrypted do | ||
subject.encrypt plaintext | ||
end | ||
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let :decrypted do | ||
subject.decrypt encrypted | ||
end | ||
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describe "#encrypt" do | ||
specify { expect(encrypted).to_not eq(plaintext) } | ||
specify { expect(encrypted).to_not be_blank } | ||
end | ||
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describe "#decrypt" do | ||
specify { expect(decrypted).to eq(plaintext) } | ||
specify { expect(decrypted).to_not be_blank } | ||
end | ||
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describe "#search" do | ||
let :records do | ||
[{ name: 'Bob' }, { name: 'Tim' }] | ||
end | ||
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it "finds the matching record" do | ||
expect(subject.search(records, :name, 'Bob')).to eql([records.first]) | ||
end | ||
end | ||
end |
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