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

   1 # Pleroma: A lightweight social networking server
   2 # Copyright © 2017-2018 Pleroma Authors <https://pleroma.social/>
   3 # SPDX-License-Identifier: AGPL-3.0-only
   4
   5 defmodule Pleroma.MediaProxyTest do
   6   use ExUnit.Case
   7   import Pleroma.Web.MediaProxy
   8   alias Pleroma.Web.MediaProxy.MediaProxyController
   9
  10   setup do
  11     enabled = Pleroma.Config.get([:media_proxy, :enabled])
  12     on_exit(fn -> Pleroma.Config.put([:media_proxy, :enabled], enabled) end)
  13     :ok
  14   end
  15
  16   describe "when enabled" do
  17     setup do
  18       Pleroma.Config.put([:media_proxy, :enabled], true)
  19       :ok
  20     end
  21
  22     test "ignores invalid url" do
  23       assert url(nil) == nil
  24       assert url("") == nil
  25     end
  26
  27     test "ignores relative url" do
  28       assert url("/local") == "/local"
  29       assert url("/") == "/"
  30     end
  31
  32     test "ignores local url" do
  33       local_url = Pleroma.Web.Endpoint.url() <> "/hello"
  34       local_root = Pleroma.Web.Endpoint.url()
  35       assert url(local_url) == local_url
  36       assert url(local_root) == local_root
  37     end
  38
  39     test "encodes and decodes URL" do
  40       url = "https://pleroma.soykaf.com/static/logo.png"
  41       encoded = url(url)
  42
  43       assert String.starts_with?(
  44                encoded,
  45                Pleroma.Config.get([:media_proxy, :base_url], Pleroma.Web.base_url())
  46              )
  47
  48       assert String.ends_with?(encoded, "/logo.png")
  49
  50       assert decode_result(encoded) == url
  51     end
  52
  53     test "encodes and decodes URL without a path" do
  54       url = "https://pleroma.soykaf.com"
  55       encoded = url(url)
  56       assert decode_result(encoded) == url
  57     end
  58
  59     test "encodes and decodes URL without an extension" do
  60       url = "https://pleroma.soykaf.com/path/"
  61       encoded = url(url)
  62       assert String.ends_with?(encoded, "/path")
  63       assert decode_result(encoded) == url
  64     end
  65
  66     test "encodes and decodes URL and ignores query params for the path" do
  67       url = "https://pleroma.soykaf.com/static/logo.png?93939393939&bunny=true"
  68       encoded = url(url)
  69       assert String.ends_with?(encoded, "/logo.png")
  70       assert decode_result(encoded) == url
  71     end
  72
  73     test "ensures urls are url-encoded" do
  74       assert decode_result(url("https://pleroma.social/Hello world.jpg")) ==
  75                "https://pleroma.social/Hello%20world.jpg"
  76
  77       assert decode_result(url("https://pleroma.social/Hello%20world.jpg")) ==
  78                "https://pleroma.social/Hello%20world.jpg"
  79     end
  80
  81     test "validates signature" do
  82       secret_key_base = Pleroma.Config.get([Pleroma.Web.Endpoint, :secret_key_base])
  83
  84       on_exit(fn ->
  85         Pleroma.Config.put([Pleroma.Web.Endpoint, :secret_key_base], secret_key_base)
  86       end)
  87
  88       encoded = url("https://pleroma.social")
  89
  90       Pleroma.Config.put(
  91         [Pleroma.Web.Endpoint, :secret_key_base],
  92         "00000000000000000000000000000000000000000000000"
  93       )
  94
  95       [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
  96       assert decode_url(sig, base64) == {:error, :invalid_signature}
  97     end
  98
  99     test "filename_matches matches url encoded paths" do
 100       assert MediaProxyController.filename_matches(
 101                true,
 102                "/Hello%20world.jpg",
 103                "http://pleroma.social/Hello world.jpg"
 104              ) == :ok
 105
 106       assert MediaProxyController.filename_matches(
 107                true,
 108                "/Hello%20world.jpg",
 109                "http://pleroma.social/Hello%20world.jpg"
 110              ) == :ok
 111     end
 112
 113     test "filename_matches matches non-url encoded paths" do
 114       assert MediaProxyController.filename_matches(
 115                true,
 116                "/Hello world.jpg",
 117                "http://pleroma.social/Hello%20world.jpg"
 118              ) == :ok
 119
 120       assert MediaProxyController.filename_matches(
 121                true,
 122                "/Hello world.jpg",
 123                "http://pleroma.social/Hello world.jpg"
 124              ) == :ok
 125     end
 126
 127     test "uses the configured base_url" do
 128       base_url = Pleroma.Config.get([:media_proxy, :base_url])
 129
 130       if base_url do
 131         on_exit(fn ->
 132           Pleroma.Config.put([:media_proxy, :base_url], base_url)
 133         end)
 134       end
 135
 136       Pleroma.Config.put([:media_proxy, :base_url], "https://cache.pleroma.social")
 137
 138       url = "https://pleroma.soykaf.com/static/logo.png"
 139       encoded = url(url)
 140
 141       assert String.starts_with?(encoded, Pleroma.Config.get([:media_proxy, :base_url]))
 142     end
 143
 144     # https://git.pleroma.social/pleroma/pleroma/issues/580
 145     test "encoding S3 links (must preserve `%2F`)" do
 146       url =
 147         "https://s3.amazonaws.com/example/test.png?X-Amz-Credential=your-access-key-id%2F20130721%2Fus-east-1%2Fs3%2Faws4_request"
 148
 149       encoded = url(url)
 150       assert decode_result(encoded) == url
 151     end
 152
 153     test "does not change whitelisted urls" do
 154       upload_config = Pleroma.Config.get([Pleroma.Upload])
 155       media_url = "https://media.pleroma.social"
 156       Pleroma.Config.put([Pleroma.Upload, :base_url], media_url)
 157       Pleroma.Config.put([:media_proxy, :whitelist], ["media.pleroma.social"])
 158       Pleroma.Config.put([:media_proxy, :base_url], "https://cache.pleroma.social")
 159
 160       url = "#{media_url}/static/logo.png"
 161       encoded = url(url)
 162
 163       assert String.starts_with?(encoded, media_url)
 164
 165       Pleroma.Config.put([Pleroma.Upload], upload_config)
 166     end
 167   end
 168
 169   describe "when disabled" do
 170     setup do
 171       enabled = Pleroma.Config.get([:media_proxy, :enabled])
 172
 173       if enabled do
 174         Pleroma.Config.put([:media_proxy, :enabled], false)
 175
 176         on_exit(fn ->
 177           Pleroma.Config.put([:media_proxy, :enabled], enabled)
 178           :ok
 179         end)
 180       end
 181
 182       :ok
 183     end
 184
 185     test "does not encode remote urls" do
 186       assert url("https://google.fr") == "https://google.fr"
 187     end
 188   end
 189
 190   defp decode_result(encoded) do
 191     [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
 192     {:ok, decoded} = decode_url(sig, base64)
 193     decoded
 194   end
 195
 196   test "mediaproxy whitelist" do
 197     Pleroma.Config.put([:media_proxy, :enabled], true)
 198     Pleroma.Config.put([:media_proxy, :whitelist], ["google.com", "feld.me"])
 199     url = "https://feld.me/foo.png"
 200
 201     unencoded = url(url)
 202     assert unencoded == url
 203   end
 204 end