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Sanitize empty strings when getting Proxy Environment variables #92

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Sanitize empty strings when getting Proxy Environment variables #92

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db903b2
Sanitize env vars when checking for http proxy variables.
wkpatrick Aug 17, 2023
61651bb
Make function private
wkpatrick Aug 17, 2023
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17 changes: 15 additions & 2 deletions lib/tailwind.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -319,11 +319,24 @@ defmodule Tailwind do
end

defp proxy_for_scheme("http") do
System.get_env("HTTP_PROXY") || System.get_env("http_proxy")
get_and_sanitize_env_var("HTTP_PROXY") || get_and_sanitize_env_var("http_proxy")
end

defp proxy_for_scheme("https") do
System.get_env("HTTPS_PROXY") || System.get_env("https_proxy")
get_and_sanitize_env_var("HTTPS_PROXY") || get_and_sanitize_env_var("https_proxy")
end

defp get_and_sanitize_env_var(env_var) do
trimmed =
case System.get_env(env_var) do
nil -> nil
x -> String.trim(x)
end

case trimmed do
"" -> nil
_ -> trimmed
end
end

defp maybe_add_proxy_auth(http_options, scheme) do
Expand Down