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Diffstat (limited to 'test/pleroma/web/media_proxy_test.exs')
| -rw-r--r-- | test/pleroma/web/media_proxy_test.exs | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/test/pleroma/web/media_proxy_test.exs b/test/pleroma/web/media_proxy_test.exs new file mode 100644 index 000000000..0e6df826c --- /dev/null +++ b/test/pleroma/web/media_proxy_test.exs @@ -0,0 +1,234 @@ +# Pleroma: A lightweight social networking server +# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/> +# SPDX-License-Identifier: AGPL-3.0-only + +defmodule Pleroma.Web.MediaProxyTest do + use ExUnit.Case + use Pleroma.Tests.Helpers + + alias Pleroma.Config + alias Pleroma.Web.Endpoint + alias Pleroma.Web.MediaProxy + + defp decode_result(encoded) do + [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/") + {:ok, decoded} = MediaProxy.decode_url(sig, base64) + decoded + end + + describe "when enabled" do + setup do: clear_config([:media_proxy, :enabled], true) + + test "ignores invalid url" do + assert MediaProxy.url(nil) == nil + assert MediaProxy.url("") == nil + end + + test "ignores relative url" do + assert MediaProxy.url("/local") == "/local" + assert MediaProxy.url("/") == "/" + end + + test "ignores local url" do + local_url = Endpoint.url() <> "/hello" + local_root = Endpoint.url() + assert MediaProxy.url(local_url) == local_url + assert MediaProxy.url(local_root) == local_root + end + + test "encodes and decodes URL" do + url = "https://pleroma.soykaf.com/static/logo.png" + encoded = MediaProxy.url(url) + + assert String.starts_with?( + encoded, + Config.get([:media_proxy, :base_url], Pleroma.Web.base_url()) + ) + + assert String.ends_with?(encoded, "/logo.png") + + assert decode_result(encoded) == url + end + + test "encodes and decodes URL without a path" do + url = "https://pleroma.soykaf.com" + encoded = MediaProxy.url(url) + assert decode_result(encoded) == url + end + + test "encodes and decodes URL without an extension" do + url = "https://pleroma.soykaf.com/path/" + encoded = MediaProxy.url(url) + assert String.ends_with?(encoded, "/path") + assert decode_result(encoded) == url + end + + test "encodes and decodes URL and ignores query params for the path" do + url = "https://pleroma.soykaf.com/static/logo.png?93939393939&bunny=true" + encoded = MediaProxy.url(url) + assert String.ends_with?(encoded, "/logo.png") + assert decode_result(encoded) == url + end + + test "validates signature" do + encoded = MediaProxy.url("https://pleroma.social") + + clear_config( + [Endpoint, :secret_key_base], + "00000000000000000000000000000000000000000000000" + ) + + [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/") + assert MediaProxy.decode_url(sig, base64) == {:error, :invalid_signature} + end + + def test_verify_request_path_and_url(request_path, url, expected_result) do + assert MediaProxy.verify_request_path_and_url(request_path, url) == expected_result + + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{ + params: %{"filename" => Path.basename(request_path)}, + request_path: request_path + }, + url + ) == expected_result + end + + test "if first arg of `verify_request_path_and_url/2` is a Plug.Conn without \"filename\" " <> + "parameter, `verify_request_path_and_url/2` returns :ok " do + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{params: %{}, request_path: "/some/path"}, + "https://instance.com/file.jpg" + ) == :ok + + assert MediaProxy.verify_request_path_and_url( + %Plug.Conn{params: %{}, request_path: "/path/to/file.jpg"}, + "https://instance.com/file.jpg" + ) == :ok + end + + test "`verify_request_path_and_url/2` preserves the encoded or decoded path" do + test_verify_request_path_and_url( + "/Hello world.jpg", + "http://pleroma.social/Hello world.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/Hello%20world.jpg", + "http://pleroma.social/Hello%20world.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + :ok + ) + + test_verify_request_path_and_url( + # Note: `conn.request_path` returns encoded url + "/ANALYSE-DAI-_-LE-STABLECOIN-100-D%C3%89CENTRALIS%C3%89-BQ.jpg", + "https://mydomain.com/uploads/2019/07/ANALYSE-DAI-_-LE-STABLECOIN-100-DÉCENTRALISÉ-BQ.jpg", + :ok + ) + + test_verify_request_path_and_url( + "/my%2Flong%2Furl%2F2019%2F07%2FS", + "http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg", + {:wrong_filename, "my%2Flong%2Furl%2F2019%2F07%2FS.jpg"} + ) + end + + test "uses the configured base_url" do + base_url = "https://cache.pleroma.social" + clear_config([:media_proxy, :base_url], base_url) + + url = "https://pleroma.soykaf.com/static/logo.png" + encoded = MediaProxy.url(url) + + assert String.starts_with?(encoded, base_url) + end + + # Some sites expect ASCII encoded characters in the URL to be preserved even if + # unnecessary. + # Issues: https://git.pleroma.social/pleroma/pleroma/issues/580 + # https://git.pleroma.social/pleroma/pleroma/issues/1055 + test "preserve ASCII encoding" do + url = + "https://pleroma.com/%20/%21/%22/%23/%24/%25/%26/%27/%28/%29/%2A/%2B/%2C/%2D/%2E/%2F/%30/%31/%32/%33/%34/%35/%36/%37/%38/%39/%3A/%3B/%3C/%3D/%3E/%3F/%40/%41/%42/%43/%44/%45/%46/%47/%48/%49/%4A/%4B/%4C/%4D/%4E/%4F/%50/%51/%52/%53/%54/%55/%56/%57/%58/%59/%5A/%5B/%5C/%5D/%5E/%5F/%60/%61/%62/%63/%64/%65/%66/%67/%68/%69/%6A/%6B/%6C/%6D/%6E/%6F/%70/%71/%72/%73/%74/%75/%76/%77/%78/%79/%7A/%7B/%7C/%7D/%7E/%7F/%80/%81/%82/%83/%84/%85/%86/%87/%88/%89/%8A/%8B/%8C/%8D/%8E/%8F/%90/%91/%92/%93/%94/%95/%96/%97/%98/%99/%9A/%9B/%9C/%9D/%9E/%9F/%C2%A0/%A1/%A2/%A3/%A4/%A5/%A6/%A7/%A8/%A9/%AA/%AB/%AC/%C2%AD/%AE/%AF/%B0/%B1/%B2/%B3/%B4/%B5/%B6/%B7/%B8/%B9/%BA/%BB/%BC/%BD/%BE/%BF/%C0/%C1/%C2/%C3/%C4/%C5/%C6/%C7/%C8/%C9/%CA/%CB/%CC/%CD/%CE/%CF/%D0/%D1/%D2/%D3/%D4/%D5/%D6/%D7/%D8/%D9/%DA/%DB/%DC/%DD/%DE/%DF/%E0/%E1/%E2/%E3/%E4/%E5/%E6/%E7/%E8/%E9/%EA/%EB/%EC/%ED/%EE/%EF/%F0/%F1/%F2/%F3/%F4/%F5/%F6/%F7/%F8/%F9/%FA/%FB/%FC/%FD/%FE/%FF" + + encoded = MediaProxy.url(url) + assert decode_result(encoded) == url + end + + # This includes unsafe/reserved characters which are not interpreted as part of the URL + # and would otherwise have to be ASCII encoded. It is our role to ensure the proxied URL + # is unmodified, so we are testing these characters anyway. + test "preserve non-unicode characters per RFC3986" do + url = + "https://pleroma.com/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-._~:/?#[]@!$&'()*+,;=|^`{}" + + encoded = MediaProxy.url(url) + assert decode_result(encoded) == url + end + + test "preserve unicode characters" do + url = "https://ko.wikipedia.org/wiki/위키백과:대문" + + encoded = MediaProxy.url(url) + assert decode_result(encoded) == url + end + end + + describe "when disabled" do + setup do: clear_config([:media_proxy, :enabled], false) + + test "does not encode remote urls" do + assert MediaProxy.url("https://google.fr") == "https://google.fr" + end + end + + describe "whitelist" do + setup do: clear_config([:media_proxy, :enabled], true) + + test "mediaproxy whitelist" do + clear_config([:media_proxy, :whitelist], ["https://google.com", "https://feld.me"]) + url = "https://feld.me/foo.png" + + unencoded = MediaProxy.url(url) + assert unencoded == url + end + + # TODO: delete after removing support bare domains for media proxy whitelist + test "mediaproxy whitelist bare domains whitelist (deprecated)" do + clear_config([:media_proxy, :whitelist], ["google.com", "feld.me"]) + url = "https://feld.me/foo.png" + + unencoded = MediaProxy.url(url) + assert unencoded == url + end + + test "does not change whitelisted urls" do + clear_config([:media_proxy, :whitelist], ["mycdn.akamai.com"]) + clear_config([:media_proxy, :base_url], "https://cache.pleroma.social") + + media_url = "https://mycdn.akamai.com" + + url = "#{media_url}/static/logo.png" + encoded = MediaProxy.url(url) + + assert String.starts_with?(encoded, media_url) + end + + test "ensure Pleroma.Upload base_url is always whitelisted" do + media_url = "https://media.pleroma.social" + clear_config([Pleroma.Upload, :base_url], media_url) + + url = "#{media_url}/static/logo.png" + encoded = MediaProxy.url(url) + + assert String.starts_with?(encoded, media_url) + end + end +end |