Merge branch 'bump-workhorse' into 'master'

Upgrade GitLab Workhorse to v3.6.0

See merge request gitlab-org/gitlab-ce!16946

GITLAB_WORKHORSE_VERSION

-3.5.1
+3.6.0

changelogs/unreleased/bump-workhorse.yml

+---
+title: Upgrade GitLab Workhorse to v3.6.0
+merge_request:
+author:
+type: other

lib/gitlab/workhorse.rb

@@ -161,6 +161,18 @@ module Gitlab
         ]
       end
 
+      def send_url(url, allow_redirects: false)
+        params = {
+          'URL' => url,
+          'AllowRedirects' => allow_redirects
+        }
+
+        [
+          SEND_DATA_HEADER,
+          "send-url:#{encode(params)}"
+        ]
+      end
+
       def terminal_websocket(terminal)
         details = {
           'Terminal' => {

spec/lib/gitlab/workhorse_spec.rb

@@ -465,4 +465,21 @@ describe Gitlab::Workhorse do
       end
     end
   end
+
+  describe '.send_url' do
+    let(:url) { 'http://example.com' }
+
+    subject { described_class.send_url(url) }
+
+    it 'sets the header correctly' do
+      key, command, params = decode_workhorse_header(subject)
+
+      expect(key).to eq("Gitlab-Workhorse-Send-Data")
+      expect(command).to eq("send-url")
+      expect(params).to eq({
+        'URL' => url,
+        'AllowRedirects' => false
+      }.deep_stringify_keys)
+    end
+  end
 end