Fix preview custom auth screen templates

server/auth/assets/templates/inc_header.html.tpl

@@ -21,7 +21,7 @@
 	<style>
 		body {
 			font-size: 1rem !important;
-			{{ safeCSS .authBg }}
+			{{ .authBg }}
 			background-size: cover;
 			background-attachment: fixed;
 		}

server/auth/auth.go

@@ -143,7 +143,6 @@ func New(ctx context.Context, log *zap.Logger, oa2m oauth2def.Manager, s store.S
 				// temp, will be replaced
 				"language": func() string { return language.Tag{}.String() },
 				"tr":       func(key string, pp ...string) string { return key },
-				"safeCSS":  func(styles string) template.CSS { return template.CSS(styles) },
 			})
 
 		useEmbedded = len(opt.AssetsPath) == 0

server/auth/handlers/handle_dev.go

@@ -6,6 +6,7 @@ package handlers
 
 import (
 	"fmt"
+	"html/template"
 	"net/http"
 	"os"
 
@@ -42,8 +43,13 @@ func (h *AuthHandlers) devSceneView(w http.ResponseWriter, r *http.Request) {
 		r.URL.Query().Get("scene"),
 	)
 
+	s.Data["authBg"] = template.CSS(h.bgStylesData())
+
 	if err == nil && s != nil {
 		err = h.Templates.ExecuteTemplate(w, s.Template+".html.tpl", s.Data)
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
 		return
 	}
 

server/auth/handlers/handler.go

@@ -4,7 +4,6 @@ import (
 	"context"
 	"encoding/gob"
 	"fmt"
-	"github.com/cortezaproject/corteza/server/pkg/errors"
 	"html/template"
 	"io"
 	"mime/multipart"
@@ -20,6 +19,7 @@ import (
 	"github.com/cortezaproject/corteza/server/auth/saml"
 	"github.com/cortezaproject/corteza/server/auth/settings"
 	"github.com/cortezaproject/corteza/server/pkg/auth"
+	"github.com/cortezaproject/corteza/server/pkg/errors"
 	"github.com/cortezaproject/corteza/server/pkg/locale"
 	"github.com/cortezaproject/corteza/server/pkg/options"
 	"github.com/cortezaproject/corteza/server/system/types"
@@ -411,7 +411,7 @@ func (h *AuthHandlers) enrichTmplData(req *request.AuthReq) interface{} {
 	dSettings.Providers = nil
 	d["settings"] = dSettings
 
-	d["authBg"] = h.bgStylesData()
+	d["authBg"] = template.CSS(h.bgStylesData())
 
 	return d
 }