From 234e471289e7556b0a9f70a01ceefc5814396f9f Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sun, 11 Nov 2018 05:40:55 +0000
Subject: [PATCH 1/2] config: properly configure CORSPlug.

---
 config/config.exs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/config/config.exs b/config/config.exs
index a6be69620..e82c490e3 100644
--- a/config/config.exs
+++ b/config/config.exs
@@ -176,6 +176,20 @@
   limit: 23,
   web: "https://vinayaka.distsn.org/?{{host}}+{{user}}"
 
+config :cors_plug,
+  max_age: 86_400,
+  methods: ["POST", "PUT", "DELETE", "GET", "PATCH", "OPTIONS"],
+  expose: [
+    "Link",
+    "X-RateLimit-Reset",
+    "X-RateLimit-Limit",
+    "X-RateLimit-Remaining",
+    "X-Request-Id",
+    "Idempotency-Key"
+  ],
+  credentials: true,
+  headers: ["Authorization", "Content-Type", "Idempotency-Key"]
+
 # Import environment specific config. This must remain at the bottom
 # of this file so it overrides the configuration defined above.
 import_config "#{Mix.env()}.exs"

From fd918863aa842fda58c620434e3b1f15d510cb53 Mon Sep 17 00:00:00 2001
From: William Pitcock <nenolod@dereferenced.org>
Date: Sun, 11 Nov 2018 05:42:30 +0000
Subject: [PATCH 2/2] nginx example config: remove CORS headers, now managed by
 CORSPlug.

---
 installation/pleroma.nginx | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/installation/pleroma.nginx b/installation/pleroma.nginx
index 65a3cdb4c..9b7419497 100644
--- a/installation/pleroma.nginx
+++ b/installation/pleroma.nginx
@@ -60,16 +60,6 @@ server {
     client_max_body_size 16m;
 
     location / {
-        # if you do not want remote frontends to be able to access your Pleroma backend
-        # server, remove these lines.
-        add_header 'Access-Control-Allow-Methods' 'POST, PUT, DELETE, GET, PATCH, OPTIONS' always;
-        add_header 'Access-Control-Allow-Headers' 'Authorization, Content-Type, Idempotency-Key' always;
-        add_header 'Access-Control-Expose-Headers' 'Link, X-RateLimit-Reset, X-RateLimit-Limit, X-RateLimit-Remaining, X-Request-Id' always;
-        if ($request_method = OPTIONS) {
-            return 204;
-        }
-        # stop removing lines here.
-
         add_header X-XSS-Protection "1; mode=block" always;
         add_header X-Permitted-Cross-Domain-Policies "none" always;
         add_header X-Frame-Options "DENY" always;