From 922b00c8c31b888a0c567e51c335fa07ae08007a Mon Sep 17 00:00:00 2001
From: Valentin Lorentz <progval+git@progval.net>
Date: Sat, 28 Jan 2023 13:00:14 +0100
Subject: [PATCH] Fediverse: Use default headers

Some instances behind Cloudflare block requests without a User-Agent
header.
---
 plugins/Fediverse/activitypub.py | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/Fediverse/activitypub.py b/plugins/Fediverse/activitypub.py
index 511551c3b..a3a2e3770 100644
--- a/plugins/Fediverse/activitypub.py
+++ b/plugins/Fediverse/activitypub.py
@@ -229,7 +229,9 @@ def get_public_key_pem():
 def signed_request(url, headers=None, data=None):
     method = "get" if data is None else "post"
     instance_actor_url = get_instance_actor_url()
-    headers = gen.InsensitivePreservingDict(headers or {})
+    headers = gen.InsensitivePreservingDict(
+        {**web.defaultHeaders, **(headers or {})}
+    )
 
     if "Date" not in headers:
         headers["Date"] = email.utils.formatdate(usegmt=True)