Carrierwave uploads on Dropbox

This gem allows you to easily upload your medias on Dropbox using the awesome CarrierWave gem.

Installation

First, you have to create a Dropbox app. You can either create a "full dropbox" or "app folder" application. Please see this wiki for further information and gotchas.

Then, add this line to your application's Gemfile:

gem 'carrierwave-dropbox'

Then run bundle to install the gem.

To make a Dropbox app and generate a token, go here. Then, specify the token in your configuration (in an initializer for instance) like this:

CarrierWave.configure do |config|
  config.dropbox_access_token = Rails.application.dropbox_access_token
end

Note: It's advisable not to directly store the credentials in your files especially if you are using a SCM (e.g. Git). You should rather rely on Rails' secrets feature.

Then you can either specify in your uploader files the storage or define it globally through CarrierWave.configure:

class ImageUploader < CarrierWave::Uploader::Base
  storage :dropbox
end

Notable differences from other storage engines

Unlike typical CarrierWave storage engines, we do not assume an uploaded file will always be at the same path, as Dropbox UI users may move files around. As such, this gem relies on the file id. There are two significant implications to this approach:

1. The #store_path and #store_dir methods are not guaranteed to be accurate after the initial file upload. We do not overwrite these methods as the end user will often overwrite these methods to specify where the file should initially be stored.

2. The default #filename method is not accurate, as we are storing the Dropbox id, rather than the name of the file. It's recommended that end users overwrite the #filename method to delegate to the CarrierWave::Storage::Dropbox::File interface. For example:

   class MyUploader < CarrierWave::Uploader::Base
     storage :dropbox
   
     def filename
       if original_filename
         # Perform any file name manipulation on initial upload
       elsif file
         file.filename
       end
     end
   end

Special thanks

This project is highly based on these two gems:

• paperclip-dropbox
• carrierwave-aws

Thanks to their respective authors and contributors!

Contributing

1. Fork it
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create new Pull Request

License

Please see the LICENSE file for further information.