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Secure your Carrierwave file uploads/uploaded files by Encryption and Decryption using Openssl AES and OpenSSL::PKCS5

Ruby 100.00%

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carrierwave_encrypter_decrypter's Issues

Does it support multiple versions of an image?

Files are not being encrypted

I am using the standard setup:

Carrierwave::EncrypterDecrypter.configure  do |config|
  config.encryption_type = :aes
  config.key_size = 256
end

class ScreenshotUploader < CarrierWave::Uploader::Base
  storage :file

  after :store, :encrypt_file

  def encrypt_file(file)
    Carrierwave::EncrypterDecrypter::Uploader.encrypt(self)
  end

  def store_dir
    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  end
end

However, files are being stored in their original form, not as .enc files. The only difference I can think of between the suggested setup and my own setup is that I'm using Mongoid as db. I don't suppose that makes any difference though.

Any idea how to approach this?

Cannot decrypt file when saving outside default folder

I want to upload the files in another destination, upload at project root. So I got the following configuration in config/initializers/carrierwave.rb

CarrierWave.configure do |config|
  config.permissions = 0600
  config.directory_permissions = 0700
  config.storage = :file
  config.root = Rails.root
end

My uploader has the following

class CerUploader < CarrierWave::Uploader::Base

  storage :file

  after :store, :encrypt_file

  def store_dir
    "uploads/#{model.class.to_s.underscore}/#{model.id}"
  end

  def extension_white_list
    %w(cer)
  end

  def encrypt_file(file)
    Carrierwave::EncrypterDecrypter::Uploader.encrypt(self)
  end

end

Upload and encryption work fine. Decrypting the file won't work. When running the command in rails console this is what I get:

irb(main):001:0> Carrierwave::EncrypterDecrypter::Downloader.decrypt(Company.last, mounted_as: :cerfile)
  Company Load (1.3ms)  SELECT  "companies".* FROM "companies"   ORDER BY "companies"."id" DESC LIMIT 1
****************************No such file or directory @ rb_sysopen - /uploads/company/2/readme.cer
****************************[
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"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/carrierwave_encrypter_decrypter-0.0.6/lib/carrierwave/encrypter_decrypter/decryption.rb:10:in `start!'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/carrierwave_encrypter_decrypter-0.0.6/lib/carrierwave/encrypter_decrypter/downloader.rb:6:in `decrypt'", "(irb):1:in `irb_binding'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/workspace.rb:86:in `eval'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/workspace.rb:86:in `evaluate'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/context.rb:380:in `evaluate'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:492:in `block (2 levels) in eval_input'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:624:in `signal_status'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:489:in `block in eval_input'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/ruby-lex.rb:247:in `block (2 levels) in each_top_level_statement'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/ruby-lex.rb:233:in `loop'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/ruby-lex.rb:233:in `block in each_top_level_statement'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/ruby-lex.rb:232:in `catch'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb/ruby-lex.rb:232:in `each_top_level_statement'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:488:in `eval_input'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:397:in `block in start'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:396:in `catch'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/irb.rb:396:in `start'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/console.rb:90:in `start'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/console.rb:9:in `start'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:69:in `console'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands/commands_tasks.rb:40:in `run_command!'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/railties-4.1.6/lib/rails/commands.rb:17:in `<top (required)>'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `require'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `block in require'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in `load_dependency'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:247:in `require'",
"/home/axl/coding/bfq/bin/rails:8:in `<top (required)>'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in `load'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in `block in load'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:232:in `load_dependency'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/activesupport-4.1.6/lib/active_support/dependencies.rb:241:in `load'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/commands/rails.rb:6:in `call'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/command_wrapper.rb:38:in `call'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application.rb:180:in `block in serve'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application.rb:153:in `fork'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application.rb:153:in `serve'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application.rb:128:in `block in run'",
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"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application.rb:122:in `run'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/gems/2.1.0/gems/spring-1.1.3/lib/spring/application/boot.rb:18:in `<top (required)>'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'",
"/home/axl/.rbenv/versions/2.1.2/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'",
"-e:1:in `<main>'"]
=> nil

String contains null byte error while encrypting multiple documents in loop

Hi Ankit,

I am getting "String contains null byte" error while encrypting and uploading multiple documents in loop.
Below is my code.

params['doc'].each do |key, value|

        name = params['doc'][key]['avatar'].original_filename;
        file_extension = File.extname name;
        file_base_name = File.basename(name, file_extension);
        file_name = file_base_name.to_s+'_'+Time.now.to_i.to_s+"-"+random_number.to_s+"#{file_extension}";
        params['doc'][key]['avatar'].original_filename = file_name
        doc_type = DOCUMENT_TYPE[params['doc'][key]['type'].to_i][0].to_s;             
        if doc_type.include? "Other"
            doc_type = 'Other';
        end
        @user_doc = [];
        @user_doc = JobDocument.new(user_docs)
        @user_doc.job_id = params[:job_id]
        @user_doc.title = params['doc'][key]['title']
        @user_doc.uploaded_by = 'user'
        @user_doc.avatar = params['doc'][key]['avatar']
        @user_doc.doc_type = doc_type
        Rails.logger.debug("@@@@@@@@@Before Doc "+key.to_s+":#{@user_doc.inspect}")
        if !@user_doc.save
            error = 1
        end
    Rails.logger.debug("#########After Doc "+key.to_s+":#{@user_doc.inspect}")
    end

File not encrypting

My uploader looks like this:

class CsvUploader < CarrierWave::Uploader::Base
  storage :file

  after :store, :encrypt_file

  def encrypt_file(file)
    Carrierwave::EncrypterDecrypter::Uploader.encrypt(self)
  end

  def store_dir
    "uploads/#{model.class.to_s.underscore}/#{mounted_as}/#{model.id}"
  end

  def extension_white_list
    %w(cer)
  end
end

...but the uploaded file is not encrypted. It's uploading the file to the correct place, but is not encrypting any of the data and no .cer file is present. Any thoughts as to why that would be?

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