module Camo::Helper
Public Instance Methods
camo(image_url, key: nil)
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# File lib/camo/helper.rb, line 3 def camo(image_url, key: nil) key ||= Camo.key host = Camo.host raise "No CAMO_KEY" unless key raise "No CAMO_HOST" unless host # TODO support base64 encoding hexdigest = OpenSSL::HMAC.hexdigest("sha1", key, image_url) encoded_image_url = image_url.unpack1("H*") "#{host}/#{hexdigest}/#{encoded_image_url}" end