Fix license app with relative url

ee/app/helpers/license_helper.rb

@@ -112,9 +112,18 @@ module LicenseHelper
 
   def license_app_data
     { data: { current_active_user_count: current_active_user_count,
-              licenses_path: api_v4_licenses_path, delete_license_path: api_v4_license_path(id: ':id'),
+              licenses_path: api_licenses_url,
+              delete_license_path: api_license_url(id: ':id'),
               new_license_path: new_admin_license_path, download_license_path: download_admin_license_path } }
   end
 
+  def api_licenses_url
+    expose_url(api_v4_licenses_path)
+  end
+
+  def api_license_url(args)
+    expose_url(api_v4_license_path(args))
+  end
+
   extend self
 end

ee/changelogs/unreleased/fix-license-app-with-relative-url.yml

+---
+title: Fix error retrieving licenses when relative URL in use
+merge_request: 11717
+author: Hiroyuki Sato
+type: fixed

ee/spec/helpers/license_helper_spec.rb

 require 'spec_helper'
 
 describe LicenseHelper do
+  def stub_default_url_options(host: "localhost", protocol: "http", port: nil, script_name: '')
+    url_options = { host: host, protocol: protocol, port: port, script_name: script_name }
+    allow(Rails.application.routes).to receive(:default_url_options).and_return(url_options)
+  end
+
   describe '#license_message' do
     context 'no license installed' do
       before do
@@ -23,4 +28,32 @@ describe LicenseHelper do
       end
     end
   end
+
+  describe '#api_licenses_url' do
+    it 'returns licenses API url' do
+      stub_default_url_options
+
+      expect(api_licenses_url).to eq('http://localhost/api/v4/licenses')
+    end
+
+    it 'returns licenses API url with relative url' do
+      stub_default_url_options(script_name: '/gitlab')
+
+      expect(api_licenses_url).to eq('http://localhost/gitlab/api/v4/licenses')
+    end
+  end
+
+  describe '#api_license_url' do
+    it 'returns license API url' do
+      stub_default_url_options
+
+      expect(api_license_url(id: 1)).to eq('http://localhost/api/v4/license/1')
+    end
+
+    it 'returns license API url with relative url' do
+      stub_default_url_options(script_name: '/gitlab')
+
+      expect(api_license_url(id: 1)).to eq('http://localhost/gitlab/api/v4/license/1')
+    end
+  end
 end