Merge branch 'match-file-name' into 'develop'

try to always match the filename for proxy url

See merge request pleroma/pleroma!1405

lib/pleroma/web/media_proxy/media_proxy_controller.ex

@@ -30,7 +30,7 @@ def remote(conn, %{"sig" => sig64, "url" => url64} = params) do
   def filename_matches(%{"filename" => _} = _, path, url) do
     filename = MediaProxy.filename(url)
 
-    if filename && Path.basename(path) != filename do
+    if filename && does_not_match(path, filename) do
       {:wrong_filename, filename}
     else
       :ok
@@ -38,4 +38,9 @@ def filename_matches(%{"filename" => _} = _, path, url) do
   end
 
   def filename_matches(_, _, _), do: :ok
+
+  defp does_not_match(path, filename) do
+    basename = Path.basename(path)
+    basename != filename and URI.decode(basename) != filename and URI.encode(basename) != filename
+  end
 end

test/web/media_proxy/media_proxy_test.exs

@@ -114,6 +114,17 @@ test "filename_matches preserves the encoded or decoded path" do
              ) == {:wrong_filename, "my%2Flong%2Furl%2F2019%2F07%2FS.jpg"}
     end
 
+    test "encoded url are tried to match for proxy as `conn.request_path` encodes the url" do
+      # conn.request_path will return encoded url
+      request_path = "/ANALYSE-DAI-_-LE-STABLECOIN-100-D%C3%89CENTRALIS%C3%89-BQ.jpg"
+
+      assert MediaProxyController.filename_matches(
+               true,
+               request_path,
+               "https://mydomain.com/uploads/2019/07/ANALYSE-DAI-_-LE-STABLECOIN-100-DÉCENTRALISÉ-BQ.jpg"
+             ) == :ok
+    end
+
     test "uses the configured base_url" do
       base_url = Pleroma.Config.get([:media_proxy, :base_url])