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brod supports sasl credentials from file #135

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merged 4 commits into from
Jan 3, 2024
Merged

brod supports sasl credentials from file #135

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5c26ebd
Support file-based sasl authentication
rewritten Jan 3, 2024
3b7c317
mix format
rewritten Jan 3, 2024
e82455c
We need value to return
rewritten Jan 3, 2024
5106470
Add test for filename-based sasl config
rewritten Jan 3, 2024
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26 changes: 18 additions & 8 deletions lib/broadway_kafka/brod_client.ex
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Original file line number Diff line number Diff line change
Expand Up @@ -297,15 +297,25 @@ defmodule BroadwayKafka.BrodClient do
defp validate_option(:sasl, value = {:callback, _callback_module, _opts}),
do: {:ok, value}

defp validate_option(:sasl, {mechanism, username, password} = value)
when mechanism in [:plain, :scram_sha_256, :scram_sha_512] and
is_binary(username) and
is_binary(password) do
{:ok, value}
end

defp validate_option(:sasl, {mechanism, path} = value)
when mechanism in [:plain, :scram_sha_256, :scram_sha_512] and
is_binary(path) do
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To they actually allow the path to be a binary or must it be an Erlang string (i.e. Elixir charlist?)?

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We have it working as binary, I'm not sure if it allows a charlist, do you want me to check? I'm following the same typing approach as the existing username/password

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If it works as a binary, that's all we need.

{:ok, value}
end

defp validate_option(:sasl, value) do
with {mechanism, username, password}
when mechanism in [:plain, :scram_sha_256, :scram_sha_512] and
is_binary(username) and
is_binary(password) <- value do
{:ok, value}
else
_value -> validation_error(:sasl, "a tuple of SASL mechanism, username and password", value)
end
validation_error(
:sasl,
"a tuple of SASL mechanism, username and password, or mechanism and path",
value
)
end

defp validate_option(:query_api_versions, value) when not is_boolean(value),
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