# File lib/aws/simple_workflow/request.rb, line 24 def add_authorization!(signer) self.access_key_id = signer.access_key_id headers["x-amz-date"] ||= (headers["date"] ||= Time.now.rfc822) headers["host"] ||= host #raise ArgumentError, "a security token is required" unless # signer.session_token #headers["x-amz-security-token"] = signer.session_token # compute the authorization request_hash = OpenSSL::Digest::SHA256.digest(string_to_sign) signature = signer.sign(request_hash) headers["x-amzn-authorization"] = "AWS3 "+ "AWSAccessKeyId=#{signer.access_key_id},"+ "Algorithm=HmacSHA256,"+ "SignedHeaders=#{headers_to_sign.join(';')},"+ "Signature=#{signature}" end