Sign an S3 URL

Gemfile

source "https://rubygems.org"

git_source(:github) {|repo_name| "https://github.com/#{repo_name}" }

gem 'aws-sdk'

sign_s3_url.rb

#!/usr/bin/env ruby
# vim ft=ruby

require 'bundler'
Bundler.setup

require 'aws-sdk'

client = Aws::S3::Client.new(region: 'us-west-2')

object = Aws::S3::Object.new(client: client, bucket_name: ENV['bucket'], key: ARGV[0])

if object.size > 0
  puts object.presigned_url(:get, expires_in: 604800)
else
  puts "#{ARVG[0]} not found."
  exit 1
end