@impl true
def ttl(data, _url) do
- image = Map.get(data, :image)
+ image = Map.get(data, "image")
- if is_aws_signed_url(image) do
+ if aws_signed_url?(image) do
image
|> parse_query_params()
|> format_query_params()
|> get_expiration_timestamp()
else
- {:error, "Not aws signed url #{inspect(image)}"}
+ nil
end
end
- defp is_aws_signed_url(image) when is_binary(image) and image != "" do
+ defp aws_signed_url?(image) when is_binary(image) and image != "" do
%URI{host: host, query: query} = URI.parse(image)
- String.contains?(host, "amazonaws.com") and String.contains?(query, "X-Amz-Expires")
+ is_binary(host) and String.contains?(host, "amazonaws.com") and
+ String.contains?(query, "X-Amz-Expires")
end
- defp is_aws_signed_url(_), do: nil
+ defp aws_signed_url?(_), do: nil
defp parse_query_params(image) do
%URI{query: query} = URI.parse(image)
|> Map.get("X-Amz-Date")
|> Timex.parse("{ISO:Basic:Z}")
- {:ok, Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))}
+ Timex.to_unix(date) + String.to_integer(Map.get(params, "X-Amz-Expires"))
end
end