git.squeep.com Git - akkoma/blob - test/web/media_proxy/media_proxy_test.exs

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.Web.MediaProxyTest do
   6   use ExUnit.Case
   7   use Pleroma.Tests.Helpers
   8
   9   alias Pleroma.Web.Endpoint
  10   alias Pleroma.Web.MediaProxy
  11
  12   describe "when enabled" do
  13     setup do: clear_config([:media_proxy, :enabled], true)
  14
  15     test "ignores invalid url" do
  16       assert MediaProxy.url(nil) == nil
  17       assert MediaProxy.url("") == nil
  18     end
  19
  20     test "ignores relative url" do
  21       assert MediaProxy.url("/local") == "/local"
  22       assert MediaProxy.url("/") == "/"
  23     end
  24
  25     test "ignores local url" do
  26       local_url = Endpoint.url() <> "/hello"
  27       local_root = Endpoint.url()
  28       assert MediaProxy.url(local_url) == local_url
  29       assert MediaProxy.url(local_root) == local_root
  30     end
  31
  32     test "encodes and decodes URL" do
  33       url = "https://pleroma.soykaf.com/static/logo.png"
  34       encoded = MediaProxy.url(url)
  35
  36       assert String.starts_with?(
  37                encoded,
  38                Pleroma.Config.get([:media_proxy, :base_url], Pleroma.Web.base_url())
  39              )
  40
  41       assert String.ends_with?(encoded, "/logo.png")
  42
  43       assert decode_result(encoded) == url
  44     end
  45
  46     test "encodes and decodes URL without a path" do
  47       url = "https://pleroma.soykaf.com"
  48       encoded = MediaProxy.url(url)
  49       assert decode_result(encoded) == url
  50     end
  51
  52     test "encodes and decodes URL without an extension" do
  53       url = "https://pleroma.soykaf.com/path/"
  54       encoded = MediaProxy.url(url)
  55       assert String.ends_with?(encoded, "/path")
  56       assert decode_result(encoded) == url
  57     end
  58
  59     test "encodes and decodes URL and ignores query params for the path" do
  60       url = "https://pleroma.soykaf.com/static/logo.png?93939393939&bunny=true"
  61       encoded = MediaProxy.url(url)
  62       assert String.ends_with?(encoded, "/logo.png")
  63       assert decode_result(encoded) == url
  64     end
  65
  66     test "validates signature" do
  67       encoded = MediaProxy.url("https://pleroma.social")
  68
  69       clear_config(
  70         [Endpoint, :secret_key_base],
  71         "00000000000000000000000000000000000000000000000"
  72       )
  73
  74       [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
  75       assert MediaProxy.decode_url(sig, base64) == {:error, :invalid_signature}
  76     end
  77
  78     test "uses the configured base_url" do
  79       base_url = "https://cache.pleroma.social"
  80       clear_config([:media_proxy, :base_url], base_url)
  81
  82       url = "https://pleroma.soykaf.com/static/logo.png"
  83       encoded = MediaProxy.url(url)
  84
  85       assert String.starts_with?(encoded, base_url)
  86     end
  87
  88     # Some sites expect ASCII encoded characters in the URL to be preserved even if
  89     # unnecessary.
  90     # Issues: https://git.pleroma.social/pleroma/pleroma/issues/580
  91     #         https://git.pleroma.social/pleroma/pleroma/issues/1055
  92     test "preserve ASCII encoding" do
  93       url =
  94         "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"
  95
  96       encoded = MediaProxy.url(url)
  97       assert decode_result(encoded) == url
  98     end
  99
 100     # This includes unsafe/reserved characters which are not interpreted as part of the URL
 101     # and would otherwise have to be ASCII encoded. It is our role to ensure the proxied URL
 102     # is unmodified, so we are testing these characters anyway.
 103     test "preserve non-unicode characters per RFC3986" do
 104       url =
 105         "https://pleroma.com/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890-._~:/?#[]@!$&'()*+,;=|^`{}"
 106
 107       encoded = MediaProxy.url(url)
 108       assert decode_result(encoded) == url
 109     end
 110
 111     test "preserve unicode characters" do
 112       url = "https://ko.wikipedia.org/wiki/위키백과:대문"
 113
 114       encoded = MediaProxy.url(url)
 115       assert decode_result(encoded) == url
 116     end
 117   end
 118
 119   describe "when disabled" do
 120     setup do: clear_config([:media_proxy, :enabled], false)
 121
 122     test "does not encode remote urls" do
 123       assert MediaProxy.url("https://google.fr") == "https://google.fr"
 124     end
 125   end
 126
 127   defp decode_result(encoded) do
 128     [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
 129     {:ok, decoded} = MediaProxy.decode_url(sig, base64)
 130     decoded
 131   end
 132
 133   describe "whitelist" do
 134     setup do: clear_config([:media_proxy, :enabled], true)
 135
 136     test "mediaproxy whitelist" do
 137       clear_config([:media_proxy, :whitelist], ["https://google.com", "https://feld.me"])
 138       url = "https://feld.me/foo.png"
 139
 140       unencoded = MediaProxy.url(url)
 141       assert unencoded == url
 142     end
 143
 144     # TODO: delete after removing support bare domains for media proxy whitelist
 145     test "mediaproxy whitelist bare domains whitelist (deprecated)" do
 146       clear_config([:media_proxy, :whitelist], ["google.com", "feld.me"])
 147       url = "https://feld.me/foo.png"
 148
 149       unencoded = MediaProxy.url(url)
 150       assert unencoded == url
 151     end
 152
 153     test "does not change whitelisted urls" do
 154       clear_config([:media_proxy, :whitelist], ["mycdn.akamai.com"])
 155       clear_config([:media_proxy, :base_url], "https://cache.pleroma.social")
 156
 157       media_url = "https://mycdn.akamai.com"
 158
 159       url = "#{media_url}/static/logo.png"
 160       encoded = MediaProxy.url(url)
 161
 162       assert String.starts_with?(encoded, media_url)
 163     end
 164
 165     test "ensure Pleroma.Upload base_url is always whitelisted" do
 166       media_url = "https://media.pleroma.social"
 167       clear_config([Pleroma.Upload, :base_url], media_url)
 168
 169       url = "#{media_url}/static/logo.png"
 170       encoded = MediaProxy.url(url)
 171
 172       assert String.starts_with?(encoded, media_url)
 173     end
 174   end
 175 end