Commit 1d17082a authored by href's avatar href

Merge branch 'fix/mediaproxy-s3' into 'develop'

Fix S3 links encoding in Mediaproxy

Closes #580

See merge request pleroma/pleroma!828
parents 19756d68 90730617
......@@ -19,11 +19,16 @@ defmodule Pleroma.Web.MediaProxy do
else
secret = Application.get_env(:pleroma, Pleroma.Web.Endpoint)[:secret_key_base]
# Must preserve `%2F` for compatibility with S3 (https://git.pleroma.social/pleroma/pleroma/issues/580)
replacement = get_replacement(url, ":2F:")
# The URL is url-decoded and encoded again to ensure it is correctly encoded and not twice.
base64 =
url
|> String.replace("%2F", replacement)
|> URI.decode()
|> URI.encode()
|> String.replace(replacement, "%2F")
|> Base.url_encode64(@base64_opts)
sig = :crypto.hmac(:sha, secret, base64)
......@@ -60,4 +65,12 @@ defmodule Pleroma.Web.MediaProxy do
|> Enum.filter(fn value -> value end)
|> Path.join()
end
defp get_replacement(url, replacement) do
if String.contains?(url, replacement) do
get_replacement(url, replacement <> replacement)
else
replacement
end
end
end
......@@ -140,6 +140,15 @@ defmodule Pleroma.MediaProxyTest do
assert String.starts_with?(encoded, Pleroma.Config.get([:media_proxy, :base_url]))
end
# https://git.pleroma.social/pleroma/pleroma/issues/580
test "encoding S3 links (must preserve `%2F`)" do
url =
"https://s3.amazonaws.com/example/test.png?X-Amz-Credential=your-access-key-id%2F20130721%2Fus-east-1%2Fs3%2Faws4_request"
encoded = url(url)
assert decode_result(encoded) == url
end
end
describe "when disabled" do
......
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