Use vanilla HTTP handlers (refactoring)

ui/static_favicon.go

@@ -0,0 +1,28 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package ui
+
+import (
+	"encoding/base64"
+	"net/http"
+	"time"
+
+	"github.com/miniflux/miniflux/http/response"
+	"github.com/miniflux/miniflux/http/response/html"
+	"github.com/miniflux/miniflux/logger"
+	"github.com/miniflux/miniflux/ui/static"
+)
+
+// Favicon renders the application favicon.
+func (c *Controller) Favicon(w http.ResponseWriter, r *http.Request) {
+	blob, err := base64.StdEncoding.DecodeString(static.Binaries["favicon.ico"])
+	if err != nil {
+		logger.Error("[Controller:Favicon] %v", err)
+		html.NotFound(w)
+		return
+	}
+
+	response.Cache(w, r, "image/x-icon", static.BinariesChecksums["favicon.ico"], blob, 48*time.Hour)
+}