Module: Camo

Defined in:
lib/camo.rb,
lib/camo/version.rb

Constant Summary collapse

VERSION = 
"0.2.0"

Instance Method Summary collapse

Instance Method Details

#camo(image_url) ⇒ Object 



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# File 'lib/camo.rb', line 8

def camo(image_url)
  raise "No CAMO_KEY" unless ENV["CAMO_KEY"]
  raise "No CAMO_HOST" unless ENV["CAMO_HOST"]
  hexdigest = OpenSSL::HMAC.hexdigest("sha1", ENV["CAMO_KEY"], image_url)
  encoded_image_url = image_url.unpack1("H*")
  "#{ENV["CAMO_HOST"]}/#{hexdigest}/#{encoded_image_url}"
end