From 6448642477851d3dc7d34e0d11e95cfb5872a39f Mon Sep 17 00:00:00 2001
From: Sebastian Kippe <sebastian@kip.pe>
Date: Thu, 1 Sep 2016 17:14:42 +0200
Subject: [PATCH] Return 503 for PUT/DELETE during user migration

---
 lib/remote_storage/swift.rb | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lib/remote_storage/swift.rb b/lib/remote_storage/swift.rb
index 59e23e7..3c5bb12 100644
--- a/lib/remote_storage/swift.rb
+++ b/lib/remote_storage/swift.rb
@@ -20,6 +20,10 @@ module RemoteStorage
     def authorize_request(user, directory, token, listing=false)
       request_method = server.env["REQUEST_METHOD"]
 
+      if request_method.match(/PUT|DELETE/) && redis.sismember("migration_in_progress", user)
+        server.halt 503, "Down for maintenance. Back soon!"
+      end
+
       if directory.split("/").first == "public"
         return true if ["GET", "HEAD"].include?(request_method) && !listing
       end