config: Add the foundation for GDPR privacy configuration

See #4616

4 files changed, 44 insertions, 5 deletions

diff --git a/hugolib/config_test.go b/hugolib/config_test.go
index 441bcf541..8bf7ea8b3 100644
--- a/hugolib/config_test.go
+++ b/hugolib/config_test.go
@@ -365,3 +365,25 @@ map[string]interface {}{
 }`, got["menu"])
 
 }
+
+func TestPrivacyConfig(t *testing.T) {
+	t.Parallel()
+
+	assert := require.New(t)
+
+	tomlConfig := `
+
+someOtherValue = "foo"
+
+[privacy]
+[privacy.youtube]
+noCookie = true
+`
+
+	b := newTestSitesBuilder(t)
+	b.WithConfigFile("toml", tomlConfig)
+	b.Build(BuildCfg{SkipRender: true})
+
+	assert.True(b.H.Sites[0].Info.PrivacyConfig.YouTube.NoCookie)
+
+}
diff --git a/hugolib/hugo_sites_build.go b/hugolib/hugo_sites_build.go
index e1e4a6056..e22aabfc5 100644
--- a/hugolib/hugo_sites_build.go
+++ b/hugolib/hugo_sites_build.go
@@ -168,7 +168,9 @@ func (h *HugoSites) assemble(config *BuildCfg) error {
 	if len(h.Sites) > 1 {
 		// The first is initialized during process; initialize the rest
 		for _, site := range h.Sites[1:] {
-			site.initializeSiteInfo()
+			if err := site.initializeSiteInfo(); err != nil {
+				return err
+			}
 		}
 	}
 
diff --git a/hugolib/site.go b/hugolib/site.go
index 989238bed..0ee0db4a7 100644
--- a/hugolib/site.go
+++ b/hugolib/site.go
@@ -27,6 +27,8 @@ import (
 	"strings"
 	"time"
 
+	"github.com/gohugoio/hugo/config/privacy"
+
 	"github.com/gohugoio/hugo/resource"
 
 	"golang.org/x/sync/errgroup"
@@ -386,6 +388,12 @@ type SiteInfo struct {
 	preserveTaxonomyNames bool
 	Data                  *map[string]interface{}
 
+	// This contains all privacy related settings that can be used to
+	// make the YouTube template etc.GDPR compliant.
+	// It is mostly in use by Hugo's built-in, but is also available
+	// for end users with {{ .Site.PrivacyConfig.YouTube.NoCookie }} etc.
+	PrivacyConfig privacy.Config
+
 	owner                          *HugoSites
 	s                              *Site
 	multilingual                   *Multilingual
@@ -1028,14 +1036,13 @@ func (s *Site) Initialise() (err error) {
 }
 
 func (s *Site) initialize() (err error) {
-	defer s.initializeSiteInfo()
 	s.Menus = Menus{}
 
 	if err = s.checkDirectories(); err != nil {
 		return err
 	}
 
-	return
+	return s.initializeSiteInfo()
 }
 
 // HomeAbsURL is a convenience method giving the absolute URL to the home page.
@@ -1058,7 +1065,7 @@ func (s *SiteInfo) SitemapAbsURL() string {
 	return p
 }
 
-func (s *Site) initializeSiteInfo() {
+func (s *Site) initializeSiteInfo() error {
 	var (
 		lang      = s.Language
 		languages helpers.Languages
@@ -1113,6 +1120,11 @@ func (s *Site) initializeSiteInfo() {
 		}
 	}
 
+	privacyConfig, err := privacy.DecodeConfig(lang)
+	if err != nil {
+		return err
+	}
+
 	s.Info = SiteInfo{
 		Title:                          lang.GetString("title"),
 		Author:                         lang.GetStringMap("author"),
@@ -1139,6 +1151,7 @@ func (s *Site) initializeSiteInfo() {
 		Data:                           &s.Data,
 		owner:                          s.owner,
 		s:                              s,
+		PrivacyConfig:                  privacyConfig,
 	}
 
 	rssOutputFormat, found := s.outputFormats[KindHome].GetByName(output.RSSFormat.Name)
@@ -1146,6 +1159,8 @@ func (s *Site) initializeSiteInfo() {
 	if found {
 		s.Info.RSSLink = s.permalink(rssOutputFormat.BaseFilename())
 	}
+
+	return nil
 }
 
 func (s *Site) dataDir() string {
diff --git a/hugolib/site_url_test.go b/hugolib/site_url_test.go
index 2be615963..5b9d19e0d 100644
--- a/hugolib/site_url_test.go
+++ b/hugolib/site_url_test.go
@@ -55,7 +55,7 @@ func TestShouldNotAddTrailingSlashToBaseURL(t *testing.T) {
 		d := deps.DepsCfg{Cfg: cfg, Fs: fs}
 		s, err := NewSiteForCfg(d)
 		require.NoError(t, err)
-		s.initializeSiteInfo()
+		require.NoError(t, s.initializeSiteInfo())
 
 		if s.Info.BaseURL() != template.URL(this.expected) {
 			t.Errorf("[%d] got %s expected %s", i, s.Info.BaseURL(), this.expected)