ssl fixes

lib/pleroma/gun/api/mock.ex

@@ -13,7 +13,7 @@ defmodule Pleroma.Gun.API.Mock do
 
   def open('some-domain.com', 443, %{genserver_pid: genserver_pid}) do
     {:ok, conn_pid} = Task.start_link(fn -> Process.sleep(1_000) end)
-    send(genserver_pid, {:gun_up, conn_pid, :https})
+    send(genserver_pid, {:gun_up, conn_pid, :http2})
     {:ok, conn_pid}
   end
 

lib/pleroma/gun/connections.ex

@@ -100,8 +100,8 @@ defmodule Pleroma.Gun.Connections do
   def handle_call({:state}, _from, state), do: {:reply, state, state}
 
   @impl true
-  def handle_info({:gun_up, conn_pid, protocol}, state) do
-    {key, conn} = find_conn(state.conns, conn_pid, protocol)
+  def handle_info({:gun_up, conn_pid, _protocol}, state) do
+    {key, conn} = find_conn(state.conns, conn_pid)
 
     # Send to all waiting processes connection pid
     Enum.each(conn.waiting_pids, fn waiting_pid -> GenServer.reply(waiting_pid, conn_pid) end)
@@ -113,8 +113,8 @@ defmodule Pleroma.Gun.Connections do
 
   @impl true
   # Do we need to do something with killed & unprocessed references?
-  def handle_info({:gun_down, conn_pid, protocol, _reason, _killed, _unprocessed}, state) do
-    {key, conn} = find_conn(state.conns, conn_pid, protocol)
+  def handle_info({:gun_down, conn_pid, _protocol, _reason, _killed, _unprocessed}, state) do
+    {key, conn} = find_conn(state.conns, conn_pid)
 
     # We don't want to block requests to GenServer if gun send down message, return nil, so we can make some retries, while connection is not up
     Enum.each(conn.waiting_pids, fn waiting_pid -> GenServer.reply(waiting_pid, nil) end)
@@ -125,6 +125,10 @@ defmodule Pleroma.Gun.Connections do
 
   defp compose_key(uri), do: uri.host <> ":" <> to_string(uri.port)
 
-  defp find_conn(conns, conn_pid, protocol),
-    do: Enum.find(conns, fn {_, conn} -> conn.conn == conn_pid and conn.protocol == protocol end)
+  defp find_conn(conns, conn_pid) do
+    Enum.find(conns, fn {key, conn} ->
+      protocol = if String.ends_with?(key, ":443"), do: :https, else: :http
+      conn.conn == conn_pid and conn.protocol == protocol
+    end)
+  end
 end

test/gun/connections_test.exs

@@ -201,5 +201,29 @@ defmodule Gun.ConnectionsTest do
         }
       } = Connections.get_state(name)
     end
+
+    test "opens ssl connection and reuse it on next request", %{name: name} do
+      api = Pleroma.Config.get([API])
+      Pleroma.Config.put([API], :gun)
+      on_exit(fn -> Pleroma.Config.put([API], api) end)
+      conn = Connections.get_conn("https://httpbin.org", [], name)
+
+      assert is_pid(conn)
+      assert Process.alive?(conn)
+
+      reused_conn = Connections.get_conn("https://httpbin.org", [], name)
+
+      assert conn == reused_conn
+
+      %Connections{
+        conns: %{
+          "httpbin.org:443" => %Conn{
+            conn: ^conn,
+            state: :up,
+            waiting_pids: []
+          }
+        }
+      } = Connections.get_state(name)
+    end
   end
 end

test/reverse_proxy/reverse_proxy_test.exs

@@ -370,5 +370,28 @@ defmodule Pleroma.ReverseProxyTest do
         Pleroma.Config.put([Pleroma.Gun.API], api)
       end)
     end
+
+    test "with tesla client with gun adapter with ssl", %{conn: conn} do
+      client = Pleroma.Config.get([Pleroma.ReverseProxy.Client])
+      Pleroma.Config.put([Pleroma.ReverseProxy.Client], Pleroma.ReverseProxy.Client.Tesla)
+      adapter = Application.get_env(:tesla, :adapter)
+      Application.put_env(:tesla, :adapter, Tesla.Adapter.Gun)
+
+      api = Pleroma.Config.get([Pleroma.Gun.API])
+      Pleroma.Config.put([Pleroma.Gun.API], :gun)
+      {:ok, _} = Pleroma.Gun.Connections.start_link(Pleroma.Gun.Connections)
+
+      conn = ReverseProxy.call(conn, "https://httpbin.org/stream-bytes/10")
+
+      assert byte_size(conn.resp_body) == 10
+      assert conn.state == :chunked
+      assert conn.status == 200
+
+      on_exit(fn ->
+        Pleroma.Config.put([Pleroma.ReverseProxy.Client], client)
+        Application.put_env(:tesla, :adapter, adapter)
+        Pleroma.Config.put([Pleroma.Gun.API], api)
+      end)
+    end
   end
 end