From 6f08e772693d3b45da3b548404a56be1c88ec2da Mon Sep 17 00:00:00 2001
From: Alex S <alex.strizhakov@gmail.com>
Date: Tue, 20 Aug 2019 18:06:08 +0300
Subject: [PATCH] sni option if we open connection in gun pool

---
 lib/pleroma/gun/connections.ex | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lib/pleroma/gun/connections.ex b/lib/pleroma/gun/connections.ex
index 5b0605026..3716d9f74 100644
--- a/lib/pleroma/gun/connections.ex
+++ b/lib/pleroma/gun/connections.ex
@@ -36,6 +36,19 @@ defmodule Pleroma.Gun.Connections do
         do: Map.put(opts, :transport, :tls),
         else: opts
 
+    opts =
+      if uri.scheme == "https" do
+        host = uri.host |> to_charlist()
+
+        tls_opts =
+          Map.get(opts, :tls_opts, [])
+          |> Keyword.put(:server_name_indication, host)
+
+        Map.put(opts, :tls_opts, tls_opts)
+      else
+        opts
+      end
+
     GenServer.call(
       name,
       {:conn, %{opts: opts, uri: uri}}