230 lines
8.3 KiB
Elixir
230 lines
8.3 KiB
Elixir
# Pleroma: A lightweight social networking server
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# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
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# SPDX-License-Identifier: AGPL-3.0-only
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defmodule Pleroma.Web.MediaProxyTest do
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use ExUnit.Case
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use Pleroma.Tests.Helpers
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alias Pleroma.Config
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alias Pleroma.Web.Endpoint
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alias Pleroma.Web.MediaProxy
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defp decode_result(encoded) do
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[_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
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{:ok, decoded} = MediaProxy.decode_url(sig, base64)
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decoded
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end
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describe "when enabled" do
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setup do: clear_config([:media_proxy, :enabled], true)
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test "ignores invalid url" do
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assert MediaProxy.url(nil) == nil
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assert MediaProxy.url("") == nil
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end
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test "ignores relative url" do
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assert MediaProxy.url("/local") == "/local"
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assert MediaProxy.url("/") == "/"
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end
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test "ignores local url" do
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local_url = Endpoint.url() <> "/hello"
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local_root = Endpoint.url()
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assert MediaProxy.url(local_url) == local_url
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assert MediaProxy.url(local_root) == local_root
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end
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test "encodes and decodes URL" do
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url = "https://pleroma.soykaf.com/static/logo.png"
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encoded = MediaProxy.url(url)
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assert String.starts_with?(
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encoded,
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Config.get([:media_proxy, :base_url], Pleroma.Web.base_url())
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)
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assert String.ends_with?(encoded, "/logo.png")
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assert decode_result(encoded) == url
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end
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test "encodes and decodes URL without a path" do
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url = "https://pleroma.soykaf.com"
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encoded = MediaProxy.url(url)
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assert decode_result(encoded) == url
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end
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test "encodes and decodes URL without an extension" do
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url = "https://pleroma.soykaf.com/path/"
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encoded = MediaProxy.url(url)
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assert String.ends_with?(encoded, "/path")
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assert decode_result(encoded) == url
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end
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test "encodes and decodes URL and ignores query params for the path" do
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url = "https://pleroma.soykaf.com/static/logo.png?93939393939&bunny=true"
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encoded = MediaProxy.url(url)
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assert String.ends_with?(encoded, "/logo.png")
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assert decode_result(encoded) == url
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end
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test "validates signature" do
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secret_key_base = Config.get([Endpoint, :secret_key_base])
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clear_config([Endpoint, :secret_key_base], secret_key_base)
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encoded = MediaProxy.url("https://pleroma.social")
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Config.put(
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[Endpoint, :secret_key_base],
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"00000000000000000000000000000000000000000000000"
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)
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[_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
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assert MediaProxy.decode_url(sig, base64) == {:error, :invalid_signature}
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end
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def test_verify_request_path_and_url(request_path, url, expected_result) do
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assert MediaProxy.verify_request_path_and_url(request_path, url) == expected_result
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assert MediaProxy.verify_request_path_and_url(
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%Plug.Conn{
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params: %{"filename" => Path.basename(request_path)},
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request_path: request_path
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},
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url
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) == expected_result
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end
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test "if first arg of `verify_request_path_and_url/2` is a Plug.Conn without \"filename\" " <>
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"parameter, `verify_request_path_and_url/2` returns :ok " do
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assert MediaProxy.verify_request_path_and_url(
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%Plug.Conn{params: %{}, request_path: "/some/path"},
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"https://instance.com/file.jpg"
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) == :ok
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assert MediaProxy.verify_request_path_and_url(
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%Plug.Conn{params: %{}, request_path: "/path/to/file.jpg"},
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"https://instance.com/file.jpg"
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) == :ok
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end
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test "`verify_request_path_and_url/2` preserves the encoded or decoded path" do
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test_verify_request_path_and_url(
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"/Hello world.jpg",
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"http://pleroma.social/Hello world.jpg",
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:ok
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)
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test_verify_request_path_and_url(
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"/Hello%20world.jpg",
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"http://pleroma.social/Hello%20world.jpg",
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:ok
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)
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test_verify_request_path_and_url(
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"/my%2Flong%2Furl%2F2019%2F07%2FS.jpg",
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"http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg",
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:ok
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)
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test_verify_request_path_and_url(
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"/my%2Flong%2Furl%2F2019%2F07%2FS",
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"http://pleroma.social/my%2Flong%2Furl%2F2019%2F07%2FS.jpg",
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{:wrong_filename, "my%2Flong%2Furl%2F2019%2F07%2FS.jpg"}
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)
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end
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test "encoded url are tried to match for proxy as `conn.request_path` encodes the url" do
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# conn.request_path will return encoded url
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request_path = "/ANALYSE-DAI-_-LE-STABLECOIN-100-D%C3%89CENTRALIS%C3%89-BQ.jpg"
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assert MediaProxy.verify_request_path_and_url(
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request_path,
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"https://mydomain.com/uploads/2019/07/ANALYSE-DAI-_-LE-STABLECOIN-100-DÉCENTRALISÉ-BQ.jpg"
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) == :ok
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end
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test "uses the configured base_url" do
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clear_config([:media_proxy, :base_url], "https://cache.pleroma.social")
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url = "https://pleroma.soykaf.com/static/logo.png"
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encoded = MediaProxy.url(url)
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assert String.starts_with?(encoded, Config.get([:media_proxy, :base_url]))
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end
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# Some sites expect ASCII encoded characters in the URL to be preserved even if
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# unnecessary.
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# Issues: https://git.pleroma.social/pleroma/pleroma/issues/580
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# https://git.pleroma.social/pleroma/pleroma/issues/1055
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test "preserve ASCII encoding" do
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url =
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"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"
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encoded = MediaProxy.url(url)
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assert decode_result(encoded) == url
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end
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# This includes unsafe/reserved characters which are not interpreted as part of the URL
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# and would otherwise have to be ASCII encoded. It is our role to ensure the proxied URL
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# is unmodified, so we are testing these characters anyway.
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test "preserve non-unicode characters per RFC3986" do
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url =
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"https://pleroma.com/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-._~:/?#[]@!$&'()*+,;=|^`{}"
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encoded = MediaProxy.url(url)
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assert decode_result(encoded) == url
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end
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test "preserve unicode characters" do
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url = "https://ko.wikipedia.org/wiki/위키백과:대문"
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encoded = MediaProxy.url(url)
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assert decode_result(encoded) == url
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end
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end
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describe "when disabled" do
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setup do: clear_config([:media_proxy, :enabled], false)
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test "does not encode remote urls" do
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assert MediaProxy.url("https://google.fr") == "https://google.fr"
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end
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end
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describe "whitelist" do
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setup do: clear_config([:media_proxy, :enabled], true)
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test "mediaproxy whitelist" do
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clear_config([:media_proxy, :whitelist], ["google.com", "feld.me"])
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url = "https://feld.me/foo.png"
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unencoded = MediaProxy.url(url)
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assert unencoded == url
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end
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test "does not change whitelisted urls" do
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clear_config([:media_proxy, :whitelist], ["mycdn.akamai.com"])
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clear_config([:media_proxy, :base_url], "https://cache.pleroma.social")
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media_url = "https://mycdn.akamai.com"
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url = "#{media_url}/static/logo.png"
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encoded = MediaProxy.url(url)
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assert String.starts_with?(encoded, media_url)
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end
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test "ensure Pleroma.Upload base_url is always whitelisted" do
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media_url = "https://media.pleroma.social"
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clear_config([Pleroma.Upload, :base_url], media_url)
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url = "#{media_url}/static/logo.png"
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encoded = MediaProxy.url(url)
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assert String.starts_with?(encoded, media_url)
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end
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end
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end
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