A port of Dylan Vaughn’s excellent signing gem - github.com/stlondemand/aws_cf_signer
This version uses all class methods and a configure method to initialize options.
The original gem was published - use gem install aws_cf_signer to install that version. For this version place a copy of aws_cf_signer.rb in your lib directory. Then create an initializer that sets the pem path and optionally overrides defaults. e.g. require 'aws_cf_signer' AWS::CloudFront::Signer.configure! "#{Rails.root}/config/pk-APKAIKURNAUNR2BDSFDMA.pem"
# Call the class sign method with optional policy settings. AWS::CloudFront::Signer.sign 'path/to/my/content' or AWS::CloudFront::Signer.sign 'path/to/my/content', :expires => Time.now + 600 # Custom Policies # See Example Custom Policy 1 at above AWS doc link url = AWS::CloudFront::Signer.sign('http://d604721fxaaqy9.cloudfront.net/training/orientation.avi', :expires => 'Sat, 14 Nov 2009 22:20:00 GMT', :resource => 'http://d604721fxaaqy9.cloudfront.net/training/*', :ip_range => '145.168.143.0/24' ) # See Example Custom Policy 2 at above AWS doc link url = AWS::CloudFront::Signer.sign('http://d84l721fxaaqy9.cloudfront.net/downloads/pictures.tgz', :starting => 'Thu, 30 Apr 2009 06:43:10 GMT', :expires => 'Fri, 16 Oct 2009 06:31:56 GMT', :resource => 'http://*', :ip_range => '216.98.35.1/32' ) # You can also pass in a path to a policy file # This will supersede any other policy options url = AWS::CloudFront::Signer.sign('http://d84l721fxaaqy9.cloudfront.net/downloads/pictures.tgz', :policy_file => '/path/to/policy/file.txt')
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Fork the project.
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Make your feature addition or bug fix.
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Add tests for it. This is important so I don’t break it in a future version unintentionally.
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Commit, do not mess with rakefile, version, or history. (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)
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Send me a pull request. Bonus points for topic branches.
Parts of signing code taken from a question on Stack Overflow asked by Ben Wiseley, and answered by Blaz Lipuscek and Manual M:
aws_cf_signer is distributed under the MIT License, copyright © 2010 STL