Merge branch 'go-get-ssh' into 'master'

Returns a SSH url for go-get=1

Closes #38858

See merge request gitlab-org/gitlab-ce!14990

changelogs/unreleased/go-get-ssh.yml

+---
+title: Returns a ssh url for go-get=1
+merge_request: 14990
+author: gvieira37
+type: fixed

lib/gitlab/middleware/go.rb

@@ -4,6 +4,7 @@ module Gitlab
   module Middleware
     class Go
       include ActionView::Helpers::TagHelper
+      include Gitlab::CurrentSettings
 
       PROJECT_PATH_REGEX = %r{\A(#{Gitlab::PathRegex.full_namespace_route_regex}/#{Gitlab::PathRegex.project_route_regex})/}.freeze
 
@@ -37,10 +38,20 @@ module Gitlab
       end
 
       def go_body(path)
-        project_url = URI.join(Gitlab.config.gitlab.url, path)
+        config = Gitlab.config
+        project_url = URI.join(config.gitlab.url, path)
         import_prefix = strip_url(project_url.to_s)
 
-        meta_tag = tag :meta, name: 'go-import', content: "#{import_prefix} git #{project_url}.git"
+        repository_url = case current_application_settings.enabled_git_access_protocol
+                         when 'ssh'
+                           shell = config.gitlab_shell
+                           port = ":#{shell.ssh_port}" unless shell.ssh_port == 22
+                           "ssh://#{shell.ssh_user}@#{shell.ssh_host}#{port}/#{path}.git"
+                         when 'http', nil
+                           "#{project_url}.git"
+                         end
+
+        meta_tag = tag :meta, name: 'go-import', content: "#{import_prefix} git #{repository_url}"
         head_tag = content_tag :head, meta_tag
         content_tag :html, head_tag
       end

spec/lib/gitlab/middleware/go_spec.rb

@@ -17,6 +17,7 @@ describe Gitlab::Middleware::Go do
     describe 'when go-get=1' do
       let(:current_user) { nil }
 
+      shared_examples 'go-get=1' do |enabled_protocol:|
         context 'with simple 2-segment project path' do
           let!(:project) { create(:project, :private) }
 
@@ -24,7 +25,7 @@ describe Gitlab::Middleware::Go do
             let(:path) { "#{project.full_path}/subpackage" }
 
             it 'returns the full project path' do
-            expect_response_with_path(go, project.full_path)
+              expect_response_with_path(go, enabled_protocol, project.full_path)
             end
           end
 
@@ -32,7 +33,7 @@ describe Gitlab::Middleware::Go do
             let(:path) { project.full_path }
 
             it 'returns the full project path' do
-            expect_response_with_path(go, project.full_path)
+              expect_response_with_path(go, enabled_protocol, project.full_path)
             end
           end
         end
@@ -44,7 +45,7 @@ describe Gitlab::Middleware::Go do
           shared_examples 'a nested project' do
             context 'when the project is public' do
               it 'returns the full project path' do
-              expect_response_with_path(go, project.full_path)
+                expect_response_with_path(go, enabled_protocol, project.full_path)
               end
             end
 
@@ -61,13 +62,13 @@ describe Gitlab::Middleware::Go do
                 end
 
                 it 'returns the full project path' do
-                expect_response_with_path(go, project.full_path)
+                  expect_response_with_path(go, enabled_protocol, project.full_path)
                 end
               end
 
               context 'without access to the project' do
                 it 'returns the 2-segment group path' do
-                expect_response_with_path(go, group.full_path)
+                  expect_response_with_path(go, enabled_protocol, group.full_path)
                 end
               end
             end
@@ -103,6 +104,31 @@ describe Gitlab::Middleware::Go do
         end
       end
 
+      context 'with SSH disabled' do
+        before do
+          stub_application_setting(enabled_git_access_protocol: 'http')
+        end
+
+        include_examples 'go-get=1', enabled_protocol: :http
+      end
+
+      context 'with HTTP disabled' do
+        before do
+          stub_application_setting(enabled_git_access_protocol: 'ssh')
+        end
+
+        include_examples 'go-get=1', enabled_protocol: :ssh
+      end
+
+      context 'with nothing disabled' do
+        before do
+          stub_application_setting(enabled_git_access_protocol: nil)
+        end
+
+        include_examples 'go-get=1', enabled_protocol: nil
+      end
+    end
+
     def go
       env = {
         'rack.input' => '',
@@ -113,10 +139,16 @@ describe Gitlab::Middleware::Go do
       middleware.call(env)
     end
 
-    def expect_response_with_path(response, path)
+    def expect_response_with_path(response, protocol, path)
+      repository_url = case protocol
+                       when :ssh
+                         "ssh://git@#{Gitlab.config.gitlab.host}/#{path}.git"
+                       when :http, nil
+                         "http://#{Gitlab.config.gitlab.host}/#{path}.git"
+                       end
       expect(response[0]).to eq(200)
       expect(response[1]['Content-Type']).to eq('text/html')
-      expected_body = %{<html><head><meta name="go-import" content="#{Gitlab.config.gitlab.host}/#{path} git http://#{Gitlab.config.gitlab.host}/#{path}.git" /></head></html>}
+      expected_body = %{<html><head><meta name="go-import" content="#{Gitlab.config.gitlab.host}/#{path} git #{repository_url}" /></head></html>}
       expect(response[2].body).to eq([expected_body])
     end
   end