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Handle crypto for different OTP versions better in media proxy

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Signed-off-by: Thomas Citharel <tcit@tcit.fr>
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Thomas Citharel 2021-06-07 16:39:14 +02:00
parent c3e586af6e
commit 95913ba28b
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1 changed files with 13 additions and 1 deletions
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14
lib/web/media_proxy.ex
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@ -58,7 +58,19 @@ defmodule Mobilizon.Web.MediaProxy do
end
defp signed_url(url) do
:crypto.mac(:hmac, :sha, Config.get([Web.Endpoint, :secret_key_base]), url)
sha_hmac(Config.get([Web.Endpoint, :secret_key_base]), url)
end
@compile {:no_warn_undefined, {:crypto, :mac, 4}}
@compile {:no_warn_undefined, {:crypto, :hmac, 3}}
defp sha_hmac(key, url) do
# :crypto.hmac was removed in OTP24, but :crypto.mac was added in OTP 22.1
# TODO: Remove me when we don't support OTP 21/22 anymore
if function_exported?(:crypto, :mac, 4) do
:crypto.mac(:hmac, :sha, key, url)
else
:crypto.hmac(:sha, key, url)
end
end
def filename(url_or_path) do