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AWS::S3::S3Object.url_for - How to do this with the new AWS SDK Gem?

Asked 2012-02-04T06:46:21.493
30

I've been using this forever with paperclip and aws-s3:

  def authenticated_url(style = nil, expires_in = 90.minutes)
      AWS::S3::S3Object.url_for(attachment.path(style || attachment.default_style), attachment.bucket_name, :expires_in => expires_in, :use_ssl => true)
  end

The new paperclip uses the AWS-SDK gem, which breaks this giving the error:

undefined method `url_for' for AWS::S3:Class

Anyone know how to get this method to work with the new AWS-SDK gem?

ruby-on-rails ruby-on-rails-3 amazon-s3 paperclip
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1 Answer

30

To generate a url using the aws-sdk gem you should use the AWS::S3Object#url_for method.
You can access the S3Object instance from a paperclip attachment using #s3_object. The snippet below should resolve your issue.

def authenticated_url(style = nil, expires_in = 90.minutes)
  attachment.s3_object(style).url_for(:read, :secure => true, :expires => expires_in).to_s
end
answered 2012-02-09T22:10:48.737

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