Signed urls for S3

[gaffo]

I can't find a method to create the signed url for S3. Is there one?

[phiggins]

I don't think the AWS::S3 objects support generating a signed URL, but the lower-level S3Interface class does. See this link: http://rubydoc.info/github/appoxy/aws/master/Aws/S3Interface#get_link-instance_method

[tomandersen]

The generatrors are what you need:
bucket_gen = Aws::S3Generator::Bucket.create(s3, bucket)

  a_cloud_item.preview_url = metaBucket_gen.get(itemkey, expiresAt) #=> https://s3.amazonaws.com:443/my_awesome_bucket/my_cool_key?Signature=h...M%3D&Expires=1180820032&AWSAccessKeyId=1...2