Merge branch 'master' into glitch-soc/merge-upstream

Conflicts manually resolved:
- app/services/post_status_service.rb
- config/locales/simple_form.pl.yml
- config/routes.rb
- config/webpack/loaders/sass.js
- config/webpack/shared.js
- package.json
- yarn.lock

1 files changed, 12 insertions, 0 deletions

diff --git a/app/lib/request.rb b/app/lib/request.rb
index 4a81773e3..ef4aeaf29 100644
--- a/app/lib/request.rb
+++ b/app/lib/request.rb
@@ -66,6 +66,18 @@ class Request
     (@account ? @headers.merge('Signature' => signature) : @headers).without(REQUEST_TARGET)
   end
 
+  class << self
+    def valid_url?(url)
+      begin
+        parsed_url = Addressable::URI.parse(url)
+      rescue Addressable::URI::InvalidURIError
+        return false
+      end
+
+      %w(http https).include?(parsed_url.scheme) && parsed_url.host.present?
+    end
+  end
+
   private
 
   def set_common_headers!