Class: S3UploadTasks

Inherits:
Volt::Task
  • Object
show all
Defined in:
app/s3_uploader/tasks/s3_upload_tasks.rb

Constant Summary collapse

EXPIRE_TIME =

5 minutes

(60 * 5)
S3_URL = 
'http://s3.amazonaws.com'
LIMIT =

100 MB

100 * 1024 * 1024
BUCKETS = 
Volt.config.s3.buckets

Instance Method Summary collapse

Instance Method Details

#sign(bucket_name, filename, mime_type) ⇒ Object 



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# File 'app/s3_uploader/tasks/s3_upload_tasks.rb', line 11

def sign(bucket_name, filename, mime_type)
  s3 = Volt.config.s3.to_h

  buckets = s3[:buckets]
  key = s3[:key]
  secret = s3[:secret]

  [:buckets, :key, :secret].each do |prop|
    unless s3[prop]
      raise "s3_upload configure issue: Please configure Volt.config.s3.#{prop.to_s}"
    end
  end

  unless buckets.include?(bucket_name)
    raise "The bucket passed in (#{bucket_name.inspect}) does not match the list of supported buckets"
  end

  extname = File.extname(filename)
  filename = "#{SecureRandom.uuid}#{extname}"
  upload_key = Pathname.new(filename).to_s

  creds = Aws::Credentials.new(Volt.config.s3.key, Volt.config.s3.secret)
  s3 = Aws::S3::Resource.new(region: 'us-east-1', credentials: creds)
  bucket = s3.bucket(bucket_name)

  obj = bucket.object(upload_key)

  params = { acl: 'public-read' }
  # params[:content_length] = LIMIT if LIMIT

  [obj.presigned_url(:put, params), obj.public_url]
end