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Publicize request validator signature generation logic #187

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Publicize request validator signature generation logic #187

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7 changes: 6 additions & 1 deletion lib/ex_twilio/request_validator.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -14,12 +14,17 @@ defmodule ExTwilio.RequestValidator do
end

def valid?(url, params, signature, auth_token) do
url
|> generate_signature(params, auth_token)
|> secure_compare(signature)
end

def generate_signature(url, params, auth_token) do
url
|> data_for(params)
|> compute_hmac(auth_token)
|> Base.encode64()
|> String.trim()
|> secure_compare(signature)
end

defp data_for(url, params), do: url <> combine(params)
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