Fix tagpolicy to also work with Update

[akkoma] / lib / pleroma / web / media_proxy.ex

diff --git a/lib/pleroma/web/media_proxy.ex b/lib/pleroma/web/media_proxy.ex
index 2793cabc1d405ed3bbe00730168f566a37e9b744..0b232f14b583854e2e13990ea094f8d5dfba6192 100644 (file)
--- a/lib/pleroma/web/media_proxy.ex
+++ b/lib/pleroma/web/media_proxy.ex
@@ -1,12 +1,12 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2021 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.Web.MediaProxy do
   alias Pleroma.Config
   alias Pleroma.Helpers.UriHelper
   alias Pleroma.Upload
-  alias Pleroma.Web
+  alias Pleroma.Web.Endpoint
   alias Pleroma.Web.MediaProxy.Invalidation
 
   @base64_opts [padding: false]
@@ -69,7 +69,7 @@ defmodule Pleroma.Web.MediaProxy do
   #   non-local non-whitelisted URLs through it and be sure that body size constraint is preserved.
   def preview_enabled?, do: enabled?() and !!Config.get([:media_preview_proxy, :enabled])
 
-  def local?(url), do: String.starts_with?(url, Pleroma.Web.base_url())
+  def local?(url), do: String.starts_with?(url, Endpoint.url())
 
   def whitelisted?(url) do
     %{host: domain} = URI.parse(url)
@@ -77,17 +77,10 @@ defmodule Pleroma.Web.MediaProxy do
     mediaproxy_whitelist_domains =
       [:media_proxy, :whitelist]
       |> Config.get()
+      |> Kernel.++(["#{Upload.base_url()}"])
       |> Enum.map(&maybe_get_domain_from_url/1)
 
-    whitelist_domains =
-      if base_url = Config.get([Upload, :base_url]) do
-        %{host: base_domain} = URI.parse(base_url)
-        [base_domain | mediaproxy_whitelist_domains]
-      else
-        mediaproxy_whitelist_domains
-      end
-
-    domain in whitelist_domains
+    domain in mediaproxy_whitelist_domains
   end
 
   defp maybe_get_domain_from_url("http" <> _ = url) do
@@ -128,8 +121,13 @@ defmodule Pleroma.Web.MediaProxy do
     end
   end
 
+  def decode_url(encoded) do
+    [_, "proxy", sig, base64 | _] = URI.parse(encoded).path |> String.split("/")
+    decode_url(sig, base64)
+  end
+
   defp signed_url(url) do
-    :crypto.hmac(:sha, Config.get([Web.Endpoint, :secret_key_base]), url)
+    :crypto.mac(:hmac, :sha, Config.get([Endpoint, :secret_key_base]), url)
   end
 
   def filename(url_or_path) do
@@ -137,7 +135,7 @@ defmodule Pleroma.Web.MediaProxy do
   end
 
   def base_url do
-    Config.get([:media_proxy, :base_url], Web.base_url())
+    Config.get([:media_proxy, :base_url], Endpoint.url())
   end
 
   defp proxy_url(path, sig_base64, url_base64, filename) do