add templates for kontor-gin

kontor-gin/pkg/middleware/authRequired.go

@@ -0,0 +1,22 @@
+package middleware
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gin-contrib/sessions"
+	"github.com/gin-gonic/gin"
+)
+
+func AuthRequired(c *gin.Context) {
+	session := sessions.Default(c)
+	user := session.Get("user")
+	log.Printf("current user %v", user)
+	if user == nil {
+		log.Println("User not logged in")
+		c.Redirect(http.StatusMovedPermanently, "/auth/login")
+		c.Abort()
+		return
+	}
+	c.Next()
+}