Fix #690 - Webfinger should handle new shortform profile URLs now (nice)

app/controllers/xrd_controller.rb

@@ -36,11 +36,14 @@ class XrdController < ApplicationController
   end
 
   def username_from_resource
-    if resource_param.start_with?('acct:') || resource_param.include?('@')
-      resource_param.split('@').first.gsub('acct:', '')
+    if resource_param =~ /\Ahttps?:\/\//
+      path_params = Rails.application.routes.recognize_path(resource_param)
+      raise ActiveRecord::RecordNotFound unless path_params[:controller] == 'users' && path_params[:action] == 'show'
+      path_params[:username]
     else
-      url = Addressable::URI.parse(resource_param)
-      url.path.gsub('/users/', '')
+      username, domain = resource_param.gsub(/\Aacct:/, '').split('@')
+      raise ActiveRecord::RecordNotFound unless TagManager.instance.local_domain?(domain)
+      username
     end
   end
 

app/views/api/v1/accounts/show.rabl

@@ -1,6 +1,6 @@
 object @account
 
-attributes :id, :username, :acct, :display_name, :locked
+attributes :id, :username, :acct, :display_name, :locked, :created_at
 
 node(:note)            { |account| Formatter.instance.simplified_format(account) }
 node(:url)             { |account| TagManager.instance.url_for(account) }

spec/controllers/xrd_controller_spec.rb

@@ -14,7 +14,7 @@ RSpec.describe XrdController, type: :controller do
     let(:alice) { Fabricate(:account, username: 'alice') }
 
     it 'returns http success when account can be found' do
-      get :webfinger, params: { resource: "acct:#{alice.username}@anything.com" }
+      get :webfinger, params: { resource: "acct:#{alice.username}@#{Rails.configuration.x.local_domain}" }
       expect(response).to have_http_status(:success)
     end